gold/ChangeLog

   1 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
   4         on bad fwrite return.
   5
   6 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
   7
   8         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
   9         on val.
  10
  11 2012-10-23  Cary Coutant  <ccoutant@google.com>
  12
  13         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
  14         * testsuite/Makefile.in: Regenerate.
  15         * testsuite/dwp_test.h: New source file.
  16         * testsuite/dwp_test_1.cc: New source file.
  17         * testsuite/dwp_test_1.s: New source file.
  18         * testsuite/dwp_test_1.sh: New source file.
  19         * testsuite/dwp_test_1b.cc: New source file.
  20         * testsuite/dwp_test_1b.s: New source file.
  21         * testsuite/dwp_test_2.cc: New source file.
  22         * testsuite/dwp_test_2.s: New source file.
  23         * testsuite/dwp_test_2.sh: New source file.
  24         * testsuite/dwp_test_main.cc: New source file.
  25         * testsuite/dwp_test_main.s: New source file.
  26
  27 2012-10-23  Cary Coutant  <ccoutant@google.com>
  28
  29         * dwp.h: New header file.
  30         * dwp.cc: New source file.
  31         * gold.h: Move shared declarations to system.h.
  32         * system.h: New header file.
  33         * Makefile.am: Add dwp.
  34         * Makefile.in: Regenerate.
  35
  36 2012-10-23  Cary Coutant  <ccoutant@google.com>
  37
  38         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
  39         Dwarf_info_reader::read_from_pointer.
  40         (Dwarf_pubnames_table::read_header): Likewise.
  41         (Dwarf_pubnames_table::next_name): Likewise.
  42         (Dwarf_die::read_attributes): Likewise.
  43         (Dwarf_die::skip_attributes): Likewise.
  44         (Dwarf_info_reader::read_from_pointer): New function template.
  45         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
  46         (Dwarf_pubnames_table): Likewise.
  47         (Dwarf_info_reader::read_from_pointer): New function template.
  48         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
  49         Dwarf_pubnames_table ctor.
  50
  51 2012-10-23  Cary Coutant  <ccoutant@google.com>
  52
  53         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
  54         abbrev_shndx.
  55         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
  56         abbrev_shndx_.
  57         (Dwarf_info_reader::set_abbrev_shndx): New method.
  58         (Dwarf_info_reader::abbrev_shndx_): New data member.
  59
  60 2012-10-23  Cary Coutant  <ccoutant@google.com>
  61
  62         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
  63         from object, not parameters.
  64         (Dwarf_info_reader::parse): Likewise.
  65         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
  66         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
  67         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
  68         methods.
  69
  70 2012-10-23  Cary Coutant  <ccoutant@google.com>
  71
  72         * fileread.cc (Input_file::Input_file): New constructor.
  73         * fileread.h (class Input_file): Add new constructor.
  74
  75 2012-10-18  Alan Modra  <amodra@gmail.com>
  76
  77         PR gold/14727
  78         * object.cc (Relobj::is_section_name_included): Also match
  79         .sdata personality section.
  80
  81 2012-10-18  Alan Modra  <amodra@gmail.com>
  82
  83         * target-reloc.h (class Default_comdat_behavior): New, package up..
  84         (get_comdat_behaviour): ..this.
  85         (relocate_section): Add Relocate_comdat_behavior template arg,
  86         adjust code to suit.
  87         * arm.cc (Target_arm::relocate_section): Adjust to suit.
  88         (Target_arm::scan_reloc_section): Likewise.
  89         * i386.cc (Target_i386::relocate_section): Likewise.
  90         * sparc.cc (Target_sparc::relocate_section): Likewise.
  91         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
  92         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
  93         * powerpc.cc (class Relocate_comdat_behavior): New.
  94         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
  95         gold::relocate_section with new template arg.
  96
  97 2012-10-18  Alan Modra  <amodra@gmail.com>
  98
  99         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
 100         dynamic relocs for GOT_TPREL got entries, without symbol if
 101         resolving locally.
 102         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
 103         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
 104         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
 105
 106 2012-10-17  Alan Modra  <amodra@gmail.com>
 107
 108         PR gold/14726
 109         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
 110
 111 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
 112
 113         * layout.cc (Layout::include_section): Keep sections marked
 114         SHF_EXCLUDE when doing relocatable links.
 115
 116 2012-10-16  Alan Modra  <amodra@gmail.com>
 117
 118         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
 119         (Target_powerpc::do_finalize_sections): Call it.
 120         (Output_data_save_res): New class and supporting functions.
 121         (Target_powerpc::symval_for_branch): Only look up .opd entry for
 122         normal symbols defined in object files.
 123
 124 2012-10-12  Alan Modra  <amodra@gmail.com>
 125
 126         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
 127         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
 128         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
 129         section if scan_opd_relocs not yet called.
 130         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
 131
 132 2012-10-12  Alan Modra  <amodra@gmail.com>
 133
 134         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
 135         add_local_ifunc_entry): Revert last change.
 136         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
 137
 138 2012-10-05  Alan Modra  <amodra@gmail.com>
 139
 140         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
 141         do_plt_address_for_global): New functions.
 142         (Output_data_got_powerpc::do_write): Don't segfault when linking
 143         statically.
 144         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
 145         add_local_ifunc_entry): Return true on adding entry..
 146         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
 147         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
 148         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
 149         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
 150         set up symbols here.
 151         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
 152         syms here.  Do so even when no .iplt.  Don't segfault when linking
 153         statically.
 154         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
 155         new variants without reloc param.
 156         (Glink_sym_ent::Glink_sym_ent): Likewise.
 157         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
 158         reloc when refs will resolve to plt call stub.
 159         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
 160         R_PPC_PLTREL24 to resolve locally.
 161         (Target_powerpc::Scan::global): Correct ifunc handling.
 162         (Target_powerpc::Relocate::relocate): Correct local sym glink
 163         lookup.  Don't destroy "value" when we have a plt call stub,
 164         and when checking plt call validity.
 165         (Target_powerpc::do_dynsym_value): Simplify.
 166
 167 2012-10-05  Alan Modra  <amodra@gmail.com>
 168
 169         * i386.cc (Output_data_plt_i386::address_for_global,
 170         address_for_local): Add plt offset to returned value.  Adjust uses.
 171         * sparc.cc (Output_data_plt_sparc::address_for_global,
 172         address_for_local): Likewise.
 173         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
 174         address_for_local): Likewise.
 175         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
 176         address_for_local): Likewise.
 177         * target.h (Target::plt_address_for_global, plt_address_for_local):
 178         Update comment.
 179         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
 180         (Output_data_got::Got_entry::write): Nor here.
 181         * output.h: Comment fix.
 182
 183 2012-10-02  Jiong Wang  <jiwang@tilera.com>
 184
 185         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
 186         global_offset_table_ value for larget got.
 187         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
 188
 189 2012-09-29  Alan Modra  <amodra@gmail.com>
 190
 191         * powerpc.cc (Target_powerpc::iplt_): New output section.
 192         (Target_powerpc::iplt_section, make_iplt_section,
 193         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
 194         (Target_powerpc::make_plt_entry): Handle ifunc syms.
 195         Target_powerpc::plt_entry_count): Count iplt entries too.
 196         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
 197         reloc section in constructor.  New params.
 198         (Target_powerpc::make_plt_section): Create reloc section here instead.
 199         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
 200         functions.
 201         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
 202         (Output_data_glink::add_entry, find_entry): New functions to
 203         deal with local syms.
 204         (Glink_sym_ent): Add support for local syms.
 205         (Output_data_glink::do_write): Handle ifunc plt entries.
 206         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 207         (Target_powerpc::Scan::local, global): Handle ifunc syms.
 208         (Target_powerpc::Relocate::relocate): Likewise.
 209         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
 210
 211 2012-09-25  Alan Modra  <amodra@gmail.com>
 212
 213         * object.h (Sized_relobj_file::adjust_local_symbol,
 214         do_adjust_local_symbol): New functions.
 215         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
 216         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
 217         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
 218         and irregular opd entry spacing.
 219         (Powerpc_relobj::do_read_relocs): Add opd size checks.
 220         (Global_symbol_visitor_opd): New functor.
 221         (Target_powerpc::do_finalize_sections): Omit global symbols defined
 222         on deleted opd entries.
 223
 224 2012-09-15  Jiong Wang  <jiwang@tilera.com>
 225
 226         * tilegx.cc: New file.
 227         * Makefile.am (TARGETSOURCES): Add tilegx.cc
 228         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
 229         * configure.tgt: Add entries for tilegx*.
 230         * configure.ac: Likewise.
 231         * Makefile.in: Rebuild.
 232         * configure: Likewise.
 233         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
 234         tilegx.
 235
 236 2012-09-13  Alan Modra  <amodra@gmail.com>
 237
 238         * target-reloc.h (scan_relocs): Call scan.local for relocs
 239         against symbols in discarded sections.  Pass is_discarded
 240         param.
 241         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
 242         Add is_discarded param.
 243         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
 244         is_discarded to flag opd entry as discarded.  Don't emit dyn
 245         relocs on such entries.
 246         (Target_powerpc::Scan::global): Similarly detect and handle
 247         such opd entries.
 248         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
 249         opd_ent_.  Update all uses.
 250         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
 251         (Target_powerpc::relocate_section): Zero out discarded opd
 252         entry relocs.
 253
 254 2012-09-12  Ian Lance Taylor  <iant@google.com>
 255
 256         PR gold/14570
 257         * output.cc: Rename Output_data_got template parameter from size
 258         to got_size for all functions.  Compile all variants of
 259         Output_data_got.
 260         (Output_data_got::Got_entry::write): Correct use of size for
 261         symbol value.  Use local_is_tls rather than casting to
 262         Sized_relobj_file.
 263         * object.h (class Object): Add local_is_tls and do_local_is_tls.
 264         (class Sized_relobj_file): Add do_local_is_tls.
 265         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
 266
 267 2012-09-11  Alan Modra  <amodra@gmail.com>
 268
 269         PR gold/14566
 270         * layout.cc (Layout::set_segment_offsets): When using
 271         common-page-size alignment, ensure we are on a new max-page-size
 272         page.
 273         * output.cc (Output_segment::set_section_addresses): Use
 274         abi_pagesize, not common_pagesize for relro boundary.
 275         (Output_segment::set_offset): Likewise.
 276
 277 2012-09-11  Alan Modra  <amodra@gmail.com>
 278
 279         * output.h (Output_data_got::add_global_tls, add_local_tls,
 280         add_local_tls_pair): New functions.
 281         (Output_data_got::add_local_pair_with_rel): Remove second
 282         reloc param.  Expand comment.
 283         (Output_data_got::Got_entry): Rename use_plt_offset_ to
 284         use_plt_or_tls_offset_, similarly for constructor param.
 285         (Output_data_got::Got_entry::write): Add got_index param.
 286         * output.cc (Output_data_got::add_global_tls, add_local_tls,
 287         add_local_tls_pair): New functions.
 288         (Output_data_got::Got_entry::write): Handle tls symbols
 289         with use_plt_or_tls_offset_ set specially.
 290         (Output_data_got::add_local_pair_with_rel): Only one reloc.
 291         (Output_data_got::do_write): Replace iterator with index, pass
 292         index to entry write function.
 293         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
 294         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
 295         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
 296         call.
 297         * i386.cc (Target_i386::Scan::local): Likewise.
 298         * sparc.cc (Target_sparc::Scan::local): Likewise.
 299         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
 300         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
 301         do_tls_offset_for_global): New functions.
 302         (Target_powerpc::Scan::local): Correct TLS relocations and got
 303         entry values.
 304         (Target_powerpc::Scan::global): Don't emit unnecessary
 305         dynamic relocations on TLS GOT entries.
 306
 307 2012-09-10  Matthias Klose  <doko@ubuntu.com>
 308
 309         * config.in: Disable sanity check for kfreebsd.
 310
 311 2012-09-10  Sterling Augustine  <saugustine@google.com>
 312
 313         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
 314         (Gdb_index::pubtypes_read): New parameter.
 315         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
 316         to calls.
 317         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
 318         pubtypes_object_.
 319
 320 2012-09-09  Alan Modra  <amodra@gmail.com>
 321
 322         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
 323         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
 324         * gc.h (gc_process_relocs): Call target gc_add_reference.
 325         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
 326         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
 327         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
 328         unnecessary cast.
 329         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
 330         to cater for when we don't need code offset.  Update use.
 331         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
 332         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
 333         set_opd_valid): New functions.
 334         (Target_powerpc::do_gc_add_reference): New function.
 335         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
 336         stashed refs.
 337         (Target_powerpc::do_gc_mark_symbol): New function.
 338
 339 2012-09-06  Cary Coutant  <ccoutant@google.com>
 340
 341         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
 342         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
 343         (Dwarf_die::skip_attributes): Likewise.
 344         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
 345         * testsuite/gdb_index_test.cc (inline_func_1): New function.
 346         (main): Call it.
 347         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
 348
 349 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
 350
 351         * testsuite/script_test_3.t: Add .got.plt output section
 352         statement.
 353         * testsuite/script_test_4.t: Likewise.
 354
 355 2012-09-05  Alan Modra  <amodra@gmail.com>
 356
 357         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
 358         update all uses and lose "enum" when using type.
 359
 360 2012-09-05  Alan Modra  <amodra@gmail.com>
 361
 362         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
 363         * configure: Regenerate.
 364         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
 365         (plugin_final_layout.stdout): Likewise.
 366         (memory_test): Set page sizes to 0x1000.
 367         * testsuite/Makefile.in: Regenerate.
 368         * testsuite/discard_locals_test.sh: Add FIXME comment.
 369         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
 370         * testsuite/pr14265.t: Add .got output section statement.
 371         * testsuite/script_test_2.t: Likewise.
 372         * testsuite/script_test_3.t: Likewise.
 373         * testsuite/script_test_4.t: Likewise.
 374         * testsuite/script_test_5.t: Likewise.
 375         * testsuite/script_test_6.t: Likewise.
 376         * testsuite/script_test_7.t: Likewise.
 377         * testsuite/script_test_9.t: Likewise.
 378
 379 2012-09-05  Alan Modra  <amodra@gmail.com>
 380
 381         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
 382         (Powerpc_relocate_functions::Status): New typedef.
 383         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 384         (Target_powerpc::Scan::local): Handle REL64.
 385         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
 386         for REL32 and REL64.
 387         (Target_powerpc::symval_for_branch): New function, extracted from..
 388         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
 389         checks.  Report overflow errors.
 390
 391 2012-09-05  Alan Modra  <amodra@gmail.com>
 392
 393         * object.h (Sized_relobj_file::emit_relocs): Delete.
 394         (Sized_relobj_file::emit_relocs_reltype): Delete.
 395         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
 396         relocate_relocs for --emit-relocs.
 397         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
 398         * output.h: Update comment.
 399         (Output_segment::first_section): New function.
 400         (Output_segment::first_section_load_address): Use first_section.
 401         * output.cc (Output_segment::first_section): New function extracted..
 402         (Output_segment::first_section_load_address): ..from here.  Delete.
 403         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
 404         * target.h (Sized_target::relocate_for_relocatable): Likewise.
 405         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
 406         adjust call to target.h function.
 407         * i386.cc (Target_i386): Likewise.
 408         * sparc.cc (Target_sparc): Likewise.
 409         * x86_64.cc (Target_x86_64): Likewise.
 410         * powerpc.cc (Target_powerpc): Likewise.
 411         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
 412         first tls section has section symbol for optimised local dynamic
 413         output relocs.
 414         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
 415         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
 416         optimised tls code.
 417         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
 418         Rename to relocate_relocs.  Update error message.
 419
 420 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
 421
 422         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
 423         --just-symbols.
 424
 425 2012-08-31  Alan Modra  <amodra@gmail.com>
 426
 427         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
 428         (Powerpc_relobj::toc_base_offset): New stub function.
 429         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
 430         got_mod_index_offset to tlsld_got_offset.  Update all refs.
 431         (Target_powerpc::Relocate::enum skip_tls): New.
 432         (Target_powerpc::call_tls_get_addr_): New var.
 433         (Target_powerpc::is_branch_reloc): Move to file scope.
 434         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
 435         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
 436         New functions.
 437         (Target_powerpc::enum Got_type): Delete old values, add new ones.
 438         (powerpc_info): Correct common_pagesize for ppc64.
 439         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
 440         (Powerpc_relocate_functions): Add overflow check enums and functions.
 441         Add non-shift version of rela, rela_ua.  Delete all rel public
 442         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
 443         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
 444         addr16_ha3, addr14 functions.
 445         (Output_data_got_powerpc::add_constant_pair): New function.
 446         (Output_data_got_powerpc::got_base_offset): Likewise.
 447         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
 448         (instruction constants): Sort, add some more.
 449         (Output_data_glink::do_write): Add and use Address typedef.  Use
 450         object->toc_base_offset() stub for 64-bit.
 451         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
 452         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 453         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
 454         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
 455         Always treat .opd relocs as against locally defined symbol.
 456         Correct condition for RELATIVE relocs.
 457         (Target_powerpc::do_finalize_sections): Test for NULL sections.
 458         (Target_powerpc::Relocate::relocate): Use plt call stub as value
 459         for 32-bit syms with a plt entry.  Correct ppc64 toc base
 460         calculations.  Handle TLS relocs, and more.  Add overflow
 461         checking and adjust for Powerpc_relocate_functions changes.
 462         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
 463         Reinstate --emit-relocs code with FIXME.
 464
 465 2012-08-30  Alan Modra  <amodra@gmail.com>
 466
 467         * layout.cc (Layout::set_segment_offsets): Set p_align to
 468         abi_pagesize, not common_pagesize.
 469         (Layout::relaxation_loop_body): Similarly use abi_pagesize
 470         to determine whether file header can go in segment.
 471
 472 2012-08-30  Alan Modra  <amodra@gmail.com>
 473
 474         * output.h (Output_reloc::Output_reloc <output section>): Add
 475         is_relative param.  Adjust calls.
 476         (Output_reloc::add_output_section_relative): New functions.
 477         * output.cc (Output_reloc::Output_reloc <output section>): Handle
 478         is_relative.
 479         (Output_reloc::symbol_value): Handle SECTION_CODE.
 480
 481 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
 482
 483         * gold.cc (queue_middle_tasks): Call layout again when unique
 484         segments for sections is desired.
 485         * layout.cc (Layout::Layout): Initialize new members.
 486         (Layout::get_output_section_flags): New function.
 487         (Layout::choose_output_section): Call get_output_section_flags.
 488         (Layout::layout): Make output section for mapping to a unique segment.
 489         (Layout::insert_section_segment_map): New function.
 490         (Layout::attach_allocated_section_to_segment): Make unique segment for
 491         output sections marked so.
 492         (Layout::segment_precedes): Check for unique segments when sorting.
 493         * layout.h (Layout::Unique_segment_info): New struct.
 494         (Layout::Section_segment_map): New typedef.
 495         (Layout::insert_section_segment_map): New function.
 496         (Layout::get_output_section_flags): New function.
 497         (Layout::is_unique_segment_for_sections_specified): New function.
 498         (Layout::set_unique_segment_for_sections_specified): New function.
 499         (Layout::unique_segment_for_sections_specified_): New member.
 500         (Layout::section_segment_map_): New member.
 501         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
 502         Rename is_gc_pass_one to is_pass_one.
 503         Rename is_gc_pass_two to is_pass_two.
 504         Rename is_gc_or_icf to is_two_pass.
 505         Check for which pass based on whether symbols data is present.
 506         Make it two pass when unique segments for sections is desired.
 507         * output.cc (Output_section::Output_section): Initialize new
 508         members.
 509         * output.h (Output_section::is_unique_segment): New function.
 510         (Output_section::set_is_unique_segment): New function.
 511         (Output_section::is_unique_segment_): New member.
 512         (Output_section::extra_segment_flags): New function.
 513         (Output_section::set_extra_segment_flags): New function.
 514         (Output_section::extra_segment_flags_): New member.
 515         (Output_section::segment_alignment): New function.
 516         (Output_section::set_segment_alignment): New function.
 517         (Output_section::segment_alignment_): New member.
 518         (Output_segment::Output_segment): Initialize is_unique_segment_.
 519         (Output_segment::is_unique_segment): New function.
 520         (Output_segment::set_is_unique_segment): New function.
 521         (Output_segment::is_unique_segment_): New member.
 522         * plugin.cc (allow_unique_segment_for_sections): New function.
 523         (unique_segment_for_sections): New function.
 524         (Plugin::load): Add new functions to transfer vector.
 525         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
 526         * Makefile.in: Regenerate.
 527         * testsuite/plugin_final_layout.sh: Check if unique segment
 528         functionality works.
 529         * testsuite/plugin_section_order.c (onload): Check if new interfaces
 530         are available.
 531         (allow_unique_segment_for_sections): New global.
 532         (unique_segment_for_sections): New global.
 533         (claim_file_hook): Call allow_unique_segment_for_sections.
 534         (all_symbols_read_hook): Call unique_segment_for_sections.
 535
 536 2012-08-22  Cary Coutant  <ccoutant@google.com>
 537
 538         * layout.cc (Layout::include_section): Don't assert on GROUP
 539         sections with --emit-relocs.
 540
 541 2012-08-21  Cary Coutant  <ccoutant@google.com>
 542
 543         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
 544         if --export-dynamic-symbol names an undef symbol.
 545
 546 2012-08-18  Alan Modra  <amodra@gmail.com>
 547
 548         * powerpc.cc: Formatting and white space.
 549         (Powerpc_relobj): Rename got2_section_ to special_.
 550         Add opd_ent_shndx_ and opd_ent_off_ vectors.
 551         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
 552         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
 553         (Target_powerpc): Add Address typedef and invalid_address.  Use
 554         throughout.
 555         (Target_powerpc::is_branch_reloc): New function.
 556         (Powerpc_relocate_functions): Add Address typedef, use throughout.
 557         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
 558         for dst_mask, value and addend.
 559         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
 560         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
 561         (Output_data_glink::do_write): Correct toc base.  Don't try to use
 562         uint16_t for 24-bit offset.  Use get_output_section_offset and
 563         check return.
 564         (Target_powerpc::Scan::local): Handle more relocs.
 565         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
 566         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
 567         Plug in toc restoring insn after plt calls.  Translate branches
 568         to function descriptor symbols to corresponding entry point.
 569         (Target_powerpc::relocate_for_relocatable): Check return from
 570         get_output_section_offset.
 571         * symtab.h: Comment typo.
 572
 573 2012-08-14  Ian Lance Taylor  <iant@google.com>
 574
 575         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
 576         unsupported_relocal_local to call unsupported_reloc_global.
 577
 578 2012-08-14  Nick Clifton  <nickc@redhat.com>
 579
 580         PR ld/14265
 581         * script-sections.cc (Sections_element::output_section_name): Add
 582         keep return parameter.
 583         (Output_section_element::match_name): Add keep return parameter.
 584         Return the value of the keep_ member.
 585         * script-sections.h (class Output_section): Update
 586         output_section_name prototype.
 587         * layout.cc (Layout::keep_input_section): New public member
 588         function.
 589         (Layout::choose_output_section): Pass keep parameter to
 590         output_section_name.
 591         * layout.h (class Layout): Add keep_input_section.
 592         * object.cc (Sized_relobj_file::do_layout): Check for kept input
 593         sections.
 594         * testsuite/Makefile.am: Add a test.
 595         * testsuite/Makefile.in: Regenerate.
 596         * testsuite/pr14265.c: Source file for the test.
 597         * testsuite/pr14265.t: Linker script for the test.
 598         * testsuite/pr14265.sh: Shell script for the test.
 599
 600 2012-08-14  Alan Modra  <amodra@gmail.com>
 601
 602         * target.h (Target::output_section_name): New function.
 603         (Target::do_output_section_name): New function.
 604         * layout.cc (Layout::choose_output_section): Call the above.
 605         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
 606
 607 2012-08-14  Alan Modra  <amodra@gmail.com>
 608
 609         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
 610         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
 611         for replace_constant call.
 612         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
 613         (Output_data_glink::do_print_to_mapfile): New function.
 614         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
 615         (Target_powerpc::Relocate::relocate): Likewise.
 616
 617 2012-08-14  Alan Modra  <amodra@gmail.com>
 618
 619         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
 620         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
 621         (Output_data_glink::add_entry,find_entry): Remove shndx param.
 622         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
 623         all references to shndx_.  Handle special case for R_PPC_PLTREL24
 624         here.
 625         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
 626         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
 627         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
 628         here.
 629         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
 630         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
 631
 632 2012-08-12  Alan Modra  <amodra@gmail.com>
 633
 634         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
 635         (glink insn constants): Use uint32_t.
 636         (Output_data_glink::add_entry): Use insert, not [] operator.
 637
 638 2012-08-11  Alan Modra  <amodra@gmail.com>
 639
 640         * object.h (Sized_relobj_file::find_shdr): New function.
 641         (Sized_relobj_file::find_special_sections): New function.
 642         * object.cc (Sized_relobj_file::find_shdr): New function.
 643         (Sized_relobj_file::find_eh_frame): Use find_shdr.
 644         (Sized_relobj_file::find_special_sections): New function, split out..
 645         (Sized_relobj_file::do_read_symbols): ..from here.
 646         * output.h (Output_data_got::replace_constant): New function.
 647         (Output_data_got::num_entries): New function.
 648         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
 649         (Output_data_got::got_offset): Protected rather than private.
 650         (Output_data_got::replace_got_entry): New function.
 651         * output.cc (Output_data_got::replace_got_entry): New function.
 652         * powerpc.cc (class Powerpc_relobj): New.
 653         (class Powerpc_relocate_functions): Delete all psymval variants or
 654         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
 655         Implement _ha functions using corresponding _hi function.
 656         (Powerpc_relobj::find_special_sections): New function.
 657         (Target_powerpc::do_make_elf_object): New function.
 658         (class Output_data_got_powerpc): New.
 659         (class Output_data_glink): New.
 660         (class Powerpc_scan_relocatable_reloc): New.
 661         Many more changes througout file.
 662
 663 2012-08-09  Nick Clifton  <nickc@redhat.com>
 664
 665         * po/vi.po: Updated Vietnamese translation.
 666
 667 2012-08-07  Ian Lance Taylor  <iant@google.com>
 668
 669         * layout.cc (Layout::add_target_dynamic_tags): If
 670         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
 671         plt_rel.
 672
 673 2012-07-30  Nick Clifton  <nickc@redhat.com>
 674
 675         * po/gold.pot: Updated template.
 676         * po/es.po: Updated Spanish translation.
 677
 678 2012-07-18  Cary Coutant  <ccoutant@google.com>
 679
 680         PR gold/14344
 681         * configure.ac: Add check for -gpubnames support.
 682         * configure: Regenerate.
 683         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
 684         support; force -gno-pubnames.
 685         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
 686         support.
 687         (gdb_index_test_4): New test.
 688         * testsuite/Makefile.in: Regenerate.
 689         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
 690         * testsuite/gdb_index_test_2.sh: Likewise.
 691         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
 692         * testsuite/gdb_index_test_4.sh: New script.
 693         * testsuite/gdb_index_test_comm.sh: New script with common code;
 694         don't look for space after colon.
 695
 696 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
 697
 698         * gold.cc (queue_middle_tasks): Update function order only after
 699         deferred objects due to plugins are processed.
 700
 701 2012-07-11  Ian Lance Taylor  <iant@google.com>
 702
 703         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
 704         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
 705         (Target_arm::scan_reloc_for_stub): Likewise.
 706         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
 707         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
 708         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
 709         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
 710         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
 711
 712 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
 713             Ian Lance Taylor  <iant@google.com>
 714
 715         PR gold/14309
 716         * configure.ac: Test whether std::tr1::hash<off_t> works.
 717         * gold.h: Add a specialization for std::tr1::hash<off_t> if
 718         needed.
 719         * output.h (class Output_fill): Add virtual destructor.
 720         * configure, config.in: Rebuild.
 721
 722 2012-06-22  Roland McGrath  <mcgrathr@google.com>
 723
 724         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
 725
 726 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
 727
 728         * plugin.cc (Plugin::load): Handle position independent executables.
 729
 730 2012-06-06  Cary Coutant  <ccoutant@google.com>
 731
 732         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
 733         add .debug_macro.
 734         (lines_only_debug_sections): Likewise.
 735         (gdb_fast_lookup_sections): New static array.
 736         (is_gdb_debug_section): Rename formal parameter.
 737         (is_lines_only_debug_section): Likewise.
 738         (is_gdb_fast_lookup_section): New function.
 739         (Layout::include_section): Check for ".zdebug_" prefix; pass
 740         section name suffix to is_gdb_debug_section, et al.; check for
 741         fast-lookup sections when building .gdb_index.
 742         * options.h (--strip-debug-gdb): Update GDB version number.
 743
 744 2012-06-06  Cary Coutant  <ccoutant@google.com>
 745
 746         * configure.ac: Add check for fallocate.
 747         * configure: Regenerate.
 748         * config.in: Regenerate.
 749
 750         * options.h (class General_options): Add --mmap-output-file and
 751         --posix-fallocate options.
 752         * output.cc: (posix_fallocate): Remove; replace with...
 753         (gold_fallocate): New function.
 754         (Output_file::map_no_anonymous): Call gold_fallocate.
 755         (Output_file::map): Check --mmap-output-file option.
 756
 757 2012-06-05  Jing Yu  <jingyu@google.com>
 758
 759         * gold.h (textdomain): Add do {} to empty while(0).
 760         (bindtextdomain): Likewise.
 761
 762 2012-06-04  Cary Coutant  <ccoutant@google.com>
 763
 764         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
 765         has_dynsym_index.
 766
 767 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
 768
 769         * symtab.cc (Symbol_table::define_special_symbol):
 770         Initialize *poldsym to prevent uninitialized variable errors.
 771
 772 2012-05-23  Cary Coutant  <ccoutant@google.com>
 773
 774         * layout.cc (Layout::section_name_mapping): Add rules to handle
 775         exact match on .data.rel.ro.local or .data.rel.ro.
 776         (Layout::output_section_name): Check for exact matches.
 777
 778 2012-05-23  Cary Coutant  <ccoutant@google.com>
 779
 780         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
 781         more carefully.
 782
 783 2012-05-22  Cary Coutant  <ccoutant@google.com>
 784
 785         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
 786         object before exporting symbol.
 787
 788 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 789
 790         * testsuite/tls_test.cc: Include "config.h" first.
 791         * testsuite/tls_test_c.c: Likewise.
 792
 793 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
 794             Nick Clifton  <nickc@redhat.com>
 795
 796         PR 14072
 797         * configure.in: Add check that sysdep.h has been included before
 798         any system header files.
 799         * configure: Regenerate.
 800         * config.in: Regenerate.
 801
 802 2012-05-14  Cary Coutant  <ccoutant@google.com>
 803
 804         * layout.cc (Layout::make_output_section): Mark .tdata section
 805         as RELRO.
 806         * testsuite/relro_test.cc: Add a TLS variable.
 807
 808 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 809
 810         PR gold/14091
 811         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
 812         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
 813         R_X86_64_64.
 814
 815 2012-05-08  Cary Coutant  <ccoutant@google.com>
 816
 817         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
 818         (lines_only_debug_sections): Likewise.
 819
 820 2012-05-02  Roland McGrath  <mcgrathr@google.com>
 821
 822         * nacl.cc: New file.
 823         * nacl.h: New file.
 824         * Makefile.am (CCFILES, HFILES): Add them.
 825         * Makefile.in: Regenerate.
 826         * i386.cc (Output_data_plt_i386_nacl): New class.
 827         (Output_data_plt_i386_nacl_exec): New class.
 828         (Output_data_plt_i386_nacl_dyn): New class.
 829         (Target_i386_nacl): New class.
 830         (Target_selector_i386_nacl): New class.
 831         (target_selector_i386): Use it instead of Target_selector_i386.
 832         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
 833         (Target_x86_64_nacl): New class.
 834         (Target_selector_x86_64_nacl): New class.
 835         (target_selector_x86_64, target_selector_x32): Use it instead of
 836         Target_selector_x86_64.
 837         * arm.cc (Output_data_plt_arm_nacl): New class.
 838         (Target_arm_nacl): New class.
 839         (Target_selector_arm_nacl): New class.
 840         (target_selector_arm, target_selector_armbe): Use it instead of
 841         Target_selector_arm.
 842
 843         * target-select.cc (select_target): Take new Input_file* and off_t
 844         arguments, pass them on to recognize method of selector.
 845         * object.cc (make_elf_sized_object): Update caller.
 846         * parameters.cc (parameters_force_valid_target): Likewise.
 847         * incremental.cc (make_sized_incremental_binary): Likewise.
 848         * target-select.h: Update decl.
 849         (Target_selector::recognize): Take new Input_file* argument,
 850         pass it on to do_recognize.
 851         (Target_selector::do_recognize): Take new Input_file* argument.
 852         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
 853         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
 854         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
 855         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
 856
 857         * target.h (Target::Target_info): New members isolate_execinstr
 858         and rosegment_gap.
 859         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
 860         * arm.cc (Target_arm::arm_info): Update initializer.
 861         * i386.cc (Target_i386::i386_info): Likewise.
 862         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
 863         * sparc.cc (Target_sparc::sparc_info): Likewise.
 864         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 865         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 866         * layout.cc (Layout::attach_allocated_section_to_segment):
 867         Take new const Target* argument.  If target->isolate_execinstr(), act
 868         like --rosegment.
 869         (Layout::find_first_load_seg): Take new const Target* argument;
 870         if target->isolate_execinstr(), reject PF_X segments.
 871         (Layout::relaxation_loop_body): Update caller.
 872         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 873         reset file offset to zero when we hit LOAD_SEG, and then do a second
 874         loop over the segments before LOAD_SEG to reassign offsets after
 875         addresses have been determined.  Handle target->rosegment_gap().
 876         (Layout::attach_section_to_segment): Take new const Target* argument;
 877         pass it to attach_allocated_section_to_segment.
 878         (Layout::make_output_section): Update caller.
 879         (Layout::attach_sections_to_segments): Take new const Target* argument;
 880         pass it to attach_section_to_segment.
 881         * gold.cc (queue_middle_tasks): Update caller.
 882         * layout.h (Layout): Update method decls with new arguments.
 883
 884         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 885         Target_info pointer to use.
 886         (Target_arm::do_make_data_plt): New virtual method.
 887         (Target_arm::make_data_plt): New method that calls it.
 888         (Target_arm::make_plt_entry): Use it.
 889         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 890         for the section alignment.
 891         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 892         method.
 893         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 894         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 895         method.
 896         (Output_data_plt_arm::get_plt_entry_size): Call it.
 897         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 898         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 899         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 900         method.
 901         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 902         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 903         method instead of sizeof(plt_entry).
 904         (Output_data_plt_arm::add_entry): Likewise.
 905         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 906         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 907         than static method.
 908         (Target_arm::plt_entry_size): Likewise.
 909         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 910         Move to ...
 911         (Output_data_plt_arm_standard): ... here, new class.
 912         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 913         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 914         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 915
 916         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 917         Take additional argument for the PLT entry size.
 918         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 919         Use get_plt_entry_size method rather than plt_entry_size variable.
 920         (Output_data_plt_x86_64::reserve_slot): Likewise.
 921         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 922         (Output_data_plt_x86_64::add_entry): Likewise.
 923         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 924         (Output_data_plt_x86_64::address_for_global): Likewise.
 925         (Output_data_plt_x86_64::address_for_local): Likewise.
 926         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 927         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 928         Make method non-static.
 929         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 930         method.
 931         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 932         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 933         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 934         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 935         virtual method.
 936         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 937         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 938         virtual method.
 939         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 940         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 941         virtual method.
 942         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 943         (Output_data_plt_x86_64::plt_entry_size)
 944         (Output_data_plt_x86_64::first_plt_entry)
 945         (Output_data_plt_x86_64::plt_entry)
 946         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 947         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 948         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 949         (Output_data_plt_x86_64_standard): ... here, new class.
 950         (Target_x86_64::Target_x86_64): Take optional argument for the
 951         Target_info pointer to use.
 952         (Target_x86_64::do_make_data_plt): New virtual method.
 953         (Target_x86_64::make_data_plt): New method to call it.
 954         (Target_x86_64::init_got_plt_for_update): Use that.
 955         Call this->plt_->add_eh_frame method here.
 956         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 957         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 958         rather than static method.
 959         (Target_x86_64::plt_entry_size): Likewise.
 960         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 961         rather than plt_entry_size variable.  Move guts of PLT filling to...
 962         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 963         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 964         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 965
 966         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 967         additional argument for the section alignment.
 968         Don't do add_eh_frame_for_plt here.
 969         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 970         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 971         variable.
 972         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 973         method.
 974         (Output_data_plt_i386::get_plt_entry_size): Call it.
 975         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 976         (Output_data_plt_i386::add_eh_frame): New method to call it.
 977         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 978         method.
 979         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 980         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 981         method.
 982         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 983         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 984         method instead of plt_entry_size.
 985         (Output_data_plt_i386::plt_entry_size)
 986         (Output_data_plt_i386::plt_eh_frame_fde_size)
 987         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 988         (Output_data_plt_i386_standard): ... here, new class.
 989         (Output_data_plt_i386_exec): New class.
 990         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 991         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 992         (Output_data_plt_i386::exec_plt_entry): Move to ...
 993         (Output_data_plt_i386_exec::plt_entry): ... here.
 994         (Output_data_plt_i386_dyn): New class.
 995         (Output_data_plt_i386::first_plt_entry): Move to ...
 996         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 997         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 998         (Output_data_plt_i386_dyn::plt_entry): ... here.
 999         (Target_i386::Target_i386): Take optional argument for the Target_info
1000         pointer to use.
1001         (Target_i386::do_make_data_plt): New virtual method.
1002         (Target_i386::make_data_plt): New method to call it.
1003         (Target_i386::make_plt_section): Use that.
1004         Call this->plt_->add_eh_frame method here.
1005         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1006         rather than plt_entry_size variable.
1007         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1008         (Output_data_plt_i386::address_for_local): Likewise.
1009         (Output_data_plt_i386::do_write): Likewise.
1010         Move guts of PLT filling to...
1011         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1012         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1013         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1014         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1015
1016 2012-05-01  Cary Coutant  <ccoutant@google.com>
1017
1018         * dwarf_reader.cc (Dwarf_die::read_attributes)
1019         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1020         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1021         * reduced_debug_output.cc
1022         (Output_reduced_debug_info_section::get_die_end): Remove
1023         DW_FORM_GNU_ref_index.  Add default case.
1024
1025 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1026
1027         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1028         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1029         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1030         DW_AT_high_pc as offset from DW_AT_low_pc.
1031
1032         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1033         * testsuite/Makefile.in: Regenerate.
1034         * testsuite/gdb_index_test_3.c: New test source file.
1035         * testsuite/gdb_index_test_3.sh: New test source file.
1036
1037 2012-04-25  Ian Lance Taylor  <iant@google.com>
1038
1039         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1040         pointer.
1041         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1042         as a class, not a struct.
1043         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1044         (Target_arm::apply_cortex_a8_workaround): Likewise.
1045         * gc.h: Declare Reloc_types as a struct, not a class.
1046         * object.h: Declare Symbols_data as a struct.
1047         * reloc.h: Declare Read_relocs_data as a struct.
1048         * target.h: Declare Relocate_info as a struct.
1049
1050 2012-04-24  David S. Miller  <davem@davemloft.net>
1051
1052         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1053         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1054         and R_SPARC_WPLT30.
1055
1056 2012-04-24  Cary Coutant  <ccoutant@google.com>
1057
1058         * incremental-dump.cc (find_input_containing_global): Replace
1059         magic number with symbolic constant.
1060         (dump_incremental_inputs): Update version number.
1061         * incremental.cc (Output_section_incremental_inputs): Update version
1062         number; import symbolic constants from Incremental_inputs_reader.
1063         (Incremental_inputs::create_data_sections): Align relocations
1064         section correctly for 64-bit targets.
1065         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1066         constants; add padding.
1067         (Output_section_incremental_inputs::write_header): Add assert for
1068         header_size.
1069         (Output_section_incremental_inputs::write_input_files): Add assert
1070         for input_entry_size.
1071         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1072         add assert for object_info_size, input_section_entry_size,
1073         global_sym_entry_size.
1074         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1075         for data structure sizes; use them.
1076         (Incremental_input_entry_reader): Import symbolic constants from
1077         Incremental_inputs_reader; use them.
1078
1079 2012-04-23  David S. Miller  <davem@davemloft.net>
1080
1081         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1082         and elf_flags_set_.
1083         (Target_sparc::Target_sparc): Initialize new fields.
1084         (Target_sparc::do_make_elf_object): New function.
1085         (Target_sparc::do_adjust_elf_header): New function.
1086
1087 2012-04-23  Cary Coutant  <ccoutant@google.com>
1088
1089         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1090         CU range table of gdb index.
1091
1092 2012-04-20  David S. Miller  <davem@davemloft.net>
1093
1094         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1095         instead of false.
1096
1097 2012-04-16  David S. Miller  <davem@davemloft.net>
1098
1099         * sparc.cc (Target_sparc::got_address): New function.
1100         (Sparc_relocate_functions::gdop_hix22): New function.
1101         (Sparc_relocate_functions::gdop_lox10): New function.
1102         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1103         relocs.
1104         (Target_sparc::Scan::local): Likewise if the global symbol is not
1105         preemptible and is not IFUNC.
1106         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1107         transformations for local and non-preemptible non-IFUNC global
1108         symbols.
1109
1110         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1111         writing out 64-bit part of ranges.
1112
1113         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1114         -fpic and -fpie respectively.
1115         * Makefile.in: Regenerate.
1116
1117         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1118         (Target_sparc::Target_sparc): Initialize new field.
1119         (Target_sparc::do_plt_section_for_global): New function.
1120         (Target_sparc::do_plt_section_for_local): New function.
1121         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1122         (Target_sparc::make_plt_section): New function, broken out of
1123         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1124         (Target_sparc::make_plt_entry): Call make_plt_section.
1125         (Target_sparc::make_local_ifunc_plt_entry): New function.
1126         (Target_sparc::rela_ifunc_section): New function.
1127         (Target_sparc::plt_section): Remove const.
1128         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1129         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1130         and ifunc_count_ fields.
1131         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1132         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1133         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1134         (Output_data_plt_sparc::rela_ifunc): New function.
1135         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1136         (Output_data_plt_sparc::has_ifunc_section): New function.
1137         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1138         (Output_data_plt_sparc::address_for_global): New function.
1139         (Output_data_plt_sparc::address_for_local): New function.
1140         (Output_data_plt_sparc::plt_index_to_offset): New function.
1141         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1142         and entry_count.
1143         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1144         entry_count.
1145         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1146         R_SPARC_JMP_IREL to switch.
1147         (Target_sparc::Scan::check_non_pic): Likewise.
1148         (Target_sparc::Scan::local): Handle IFUNC symbols.
1149         (Target_sparc::Scan::local): Likewise.
1150         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1151         and plt_address_for_local.
1152         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1153         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1154
1155         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1156         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1157         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1158         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1159         global relocs too.
1160         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1161         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1162         calls.
1163         * sparc.cc (Target_sparc::Scan::global): Likewise.
1164         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1165
1166 2012-04-16  Cary Coutant  <ccoutant@google.com>
1167
1168         * archive.cc (Library_base::should_include_member): Check for
1169         --export-dynamic-symbol.
1170         * options.h (class General_options): Add --export-dynamic-symbol.
1171         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1172         --export-dynamic-symbol.
1173         (Symbol_table::gc_mark_undef_symbols): Likewise.
1174         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1175
1176 2012-04-12  David S. Miller  <davem@davemloft.net>
1177
1178         * sparc.cc (Reloc::wdisp10): New relocation method.
1179         (Reloc::h34): Likewise.
1180         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1181         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1182         R_SPARC_WDISP10.
1183         (Target_sparc::Scan::local): Likewise.
1184         (Target_sparc::Scan::global): Likewise.
1185         (Target_sparc::Relocate::relocate): Likewise.
1186
1187 2012-04-09  Cary Coutant  <ccoutant@google.com>
1188
1189         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1190         low_pc == 0.
1191
1192 2012-04-06  Ian Lance Taylor  <iant@google.com>
1193
1194         * timer.cc: #include <unistd.h>.
1195
1196 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1197
1198         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1199         * config.in: Regenerate.
1200         * configure: Regenerate.
1201
1202 2012-04-05  Nick Clifton  <nickc@redhat.com>
1203
1204         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1205         (AM_LC_MESSAGES): Add.
1206         * aclocal.m4: Regenerate.
1207         * config.in: Regenerate.
1208         * configure: Regenerate.
1209
1210 2012-03-21  Cary Coutant  <ccoutant@google.com>
1211
1212         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1213         * Makefile.in: Regenerate.
1214         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1215         (Sized_elf_reloc_mapper::symbol_section): New function.
1216         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1217         (make_elf_reloc_mapper): New function.
1218         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1219         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1220         (Dwarf_abbrev_table::do_get_abbrev): New function.
1221         (Dwarf_ranges_table::read_ranges_table): New function.
1222         (Dwarf_ranges_table::read_range_list): New function.
1223         (Dwarf_pubnames_table::read_section): New function.
1224         (Dwarf_pubnames_table::read_header): New function.
1225         (Dwarf_pubnames_table::next_name): New function.
1226         (Dwarf_die::Dwarf_die): New function.
1227         (Dwarf_die::read_attributes): New function.
1228         (Dwarf_die::skip_attributes): New function.
1229         (Dwarf_die::set_name): New function.
1230         (Dwarf_die::set_linkage_name): New function.
1231         (Dwarf_die::attribute): New function.
1232         (Dwarf_die::string_attribute): New function.
1233         (Dwarf_die::int_attribute): New function.
1234         (Dwarf_die::uint_attribute): New function.
1235         (Dwarf_die::ref_attribute): New function.
1236         (Dwarf_die::child_offset): New function.
1237         (Dwarf_die::sibling_offset): New function.
1238         (Dwarf_info_reader::check_buffer): New function.
1239         (Dwarf_info_reader::parse): New function.
1240         (Dwarf_info_reader::do_parse): New function.
1241         (Dwarf_info_reader::do_read_string_table): New function.
1242         (Dwarf_info_reader::lookup_reloc): New function.
1243         (Dwarf_info_reader::get_string): New function.
1244         (Dwarf_info_reader::visit_compilation_unit): New function.
1245         (Dwarf_info_reader::visit_type_unit): New function.
1246         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1247         Sized_elf_reloc_mapper.
1248         (Sized_dwarf_line_info::symbol_section): Remove function.
1249         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1250         (Sized_dwarf_line_info::read_line_mappings): Remove object
1251         parameter, adjust callers.
1252         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1253         * dwarf_reader.h: Include <sys/types.h>.
1254         (class Track_relocs): Remove forward declaration.
1255         (class Elf_reloc_mapper): New class.
1256         (class Sized_elf_reloc_mapper): New class.
1257         (class Dwarf_abbrev_table): New class.
1258         (class Dwarf_range_list): New class.
1259         (class Dwarf_ranges_table): New class.
1260         (class Dwarf_pubnames_table): New class.
1261         (class Dwarf_die): New class.
1262         (class Dwarf_info_reader): New class.
1263         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1264         (Sized_dwarf_line_info::symbol_section): Remove member function.
1265         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1266         base class.
1267         * gdb-index.cc: New source file.
1268         * gdb-index.h: New source file.
1269         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1270         and .debug_types sections, call Layout::add_to_gdb_index.
1271         (Sized_relobj_incr::do_section_name): Implement.
1272         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1273         return type; Implement.
1274         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1275         return type.
1276         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1277         parameter list and return type.
1278         (Sized_incr_dynobj::do_section_contents): Likewise.
1279         * layout.cc: Include gdb-index.h.
1280         (Layout::Layout): Initialize gdb_index_data_.
1281         (Layout::init_fixed_output_section): Check for .gdb_index section.
1282         (Layout::add_to_gdb_index): New function. Instantiate.
1283         * layout.h: Add forward declaration for class Gdb_index.
1284         (Layout::add_to_gdb_index): New member function.
1285         (Layout::gdb_index_data_): New data member.
1286         * main.cc: Include gdb-index.h.
1287         (main): Print statistics for gdb index.
1288         * object.cc (Object::section_contents): Move code into
1289         do_section_contents.
1290         (need_decompressed_section): Check for sections needed when building
1291         gdb index.
1292         (build_compressed_section_map): Likewise.
1293         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1294         gdb index.
1295         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1296         sections; call Layout::add_to_gdb_index.
1297         (Sized_relobj_file::do_decompressed_section_contents): Call
1298         do_section_contents directly.
1299         * object.h (Object::do_section_contents): Adjust parameter list and
1300         return type.
1301         (Object::do_decompressed_section_contents): Call do_section_contents
1302         directly.
1303         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1304         return type.
1305         * options.h (class General_options): Add --gdb-index option.
1306         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1307         list and return type.
1308         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1309         * reloc.h (Track_relocs::checkpoint): New function.
1310         (Track_relocs::reset): New function.
1311
1312         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1313         New test cases.
1314         * testsuite/Makefile.in: Regenerate.
1315         * testsuite/gdb_index_test.cc: New test source file.
1316         * testsuite/gdb_index_test_1.sh: New test source file.
1317         * testsuite/gdb_index_test_2.sh: New test source file.
1318
1319 2012-03-19  Doug Kwan  <dougkwan@google.com>
1320
1321         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1322         (Target_arm::do_finalize_sections): Remove code which defines
1323         __exidx_start and __exidx_end.  Make symbol table parameter
1324         anonymous as it is not used.
1325         * gold.cc (queue_middle_tasks): Call target hook to define any
1326         target-specific symbols.
1327         * target.h (Target::define_standard_symbols): New method.
1328         (Target::do_define_standard_symbols): Same.
1329         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1330         * testsuite/Makefile.in: Regenerate.
1331         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1332         and __exidx_end.
1333         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1334         relocations are generated for __exidx_start and __exidx_end.
1335
1336 2012-03-16  Doug Kwan  <dougkwan@google.com>
1337
1338         * testsuite/Makefile.am: Disable test initpri3b.
1339         * testsuite/Makefile.in: Regenerate.
1340
1341 2012-03-15  Doug Kwan  <dougkwan@google.com>
1342
1343         * arm.cc (Target_arm::got_section): Make .got section read-only
1344         if -z now is given.
1345
1346 2012-03-15  Ian Lance Taylor  <iant@google.com>
1347
1348         PR gold/13850
1349         * layout.cc (Layout::make_output_section): Correctly mark
1350         SHT_INIT_ARRAY, et. al., as relro.
1351
1352 2012-03-14  Doug Kwan  <dougkwan@google.com>
1353
1354         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1355         dynamic relocations for protected symbols in shared objects.
1356
1357 2012-03-13  Ian Lance Taylor  <iant@google.com>
1358
1359         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1360         keep the larger alignment.
1361
1362 2012-03-12  Cary Coutant  <ccoutant@google.com>
1363
1364         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1365         handling of DW_LNE_define_file.
1366
1367 2012-03-12  Cary Coutant  <ccoutant@google.com>
1368
1369         * reduced_debug_output.cc
1370         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1371         codes to switch.
1372
1373 2012-02-29  Cary Coutant  <ccoutant@google.com>
1374
1375         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1376
1377 2012-02-29  Cary Coutant  <ccoutant@google.com>
1378
1379         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1380         Call Object::decompressed_section_contents.
1381         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1382         New dtor.
1383         (Sized_dwarf_line_info::buffer_start_): New data member.
1384         * merge.cc (Output_merge_data::do_add_input_section): Call
1385         Object::decompressed_section_contents.
1386         (Output_merge_string::do_add_input_section): Likewise.
1387         * object.cc (need_decompressed_section): New function.
1388         (build_compressed_section_map): Decompress sections needed later.
1389         (Sized_relobj_file::do_decompressed_section_contents): New function.
1390         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1391         * object.h (Object::decompressed_section_contents): New function.
1392         (Object::discard_decompressed_sections): New function.
1393         (Object::do_decompressed_section_contents): New function.
1394         (Object::do_discard_decompressed_sections): New function.
1395         (Compressed_section_info): New type.
1396         (Compressed_section_map): Include decompressed section contents.
1397         (Sized_relobj_file::do_decompressed_section_contents): New function.
1398         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1399
1400 2012-02-16  Cary Coutant  <ccoutant@google.com>
1401
1402         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1403         * testsuite/Makefile.in: Regenerate.
1404
1405 2012-02-14  Cary Coutant  <ccoutant@google.com>
1406
1407         * options.cc (General_options::finalize): Disallow -pie and -static.
1408
1409 2012-02-03  Doug Kwan  <dougkwan@google.com>
1410
1411         * arm.cc (Arm_relocate_functions::abs8,
1412         Arm_relocate_functions::abs16): Use
1413         Bits::has_signed_unsigned_overflow32.
1414         (Arm_relocate_functions::thm_abs8): Correct range of
1415         overflow check.
1416         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1417         in assertions.
1418
1419 2012-02-02  Doug Kwan  <dougkwan@google.com>
1420
1421         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1422         position independent outputs, not just shared objects.
1423
1424 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1425
1426         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1427         * configure: Regenerated.
1428
1429 2012-01-27  Ian Lance Taylor  <iant@google.com>
1430
1431         * reloc.h (Bits): New class with static functions, copied from
1432         namespace utils in arm.cc.
1433         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1434         instead.
1435
1436 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1437
1438         * incremental.cc (write_info_blocks): Correct relocation offset.
1439
1440 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1441
1442         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1443         (Relocate::tls_gd_to_le): Likewise.
1444
1445 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1446
1447         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1448
1449 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1450
1451         * configure.ac: Check if -mcmodel=medium works.
1452         * configure: Regenerated.
1453
1454 2012-01-24  Cary Coutant  <ccoutant@google.com>
1455
1456         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1457         definition and ...
1458         (read_unsigned_LEB_128_x): ... this new function.
1459         (read_signed_LEB_128): Replaced with inline definition and ...
1460         (read_signed_LEB_128_x): ... this new function.
1461         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1462         (read_unsigned_LEB_128): Add inline definition.
1463         (read_signed_LEB_128_x): New function.
1464         (read_signed_LEB_128): Add inline definition.
1465         * testsuite/Makefile.am (leb128_unittest): New unit test.
1466         * testsuite/Makefile.in: Regenerate.
1467         * testsuite/leb128_unittest.cc: New unit test.
1468
1469 2012-01-23  Ian Lance Taylor  <iant@google.com>
1470
1471         PR gold/13617
1472         * i386.cc (Target_i386::do_code_fill): When using a jmp
1473         instruction, pad with nop instructions.
1474         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1475
1476 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1477
1478         * x86_64.cc (gc_process_relocs): Add typename on types used in
1479         template.
1480         (scan_relocs): Likewise.
1481         (relocate_section): Likewise.
1482         (apply_relocation): Likewise.
1483
1484 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1485
1486         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1487         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1488         under x32.
1489
1490 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1491
1492         * x86_64.cc: Initial support for x32.
1493
1494 2012-01-03  Cary Coutant  <ccoutant@google.com>
1495
1496         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1497         Use abstract base class for GOT.
1498         * gold/output.h (class Output_data_got_base): New abstract base class.
1499         (class Output_data_got): Derive from new base class, adjust ctors.
1500         (Output_data_got::reserve_slot): Make virtual; rename to
1501         do_reserve_slot; Adjust callers.
1502         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1503         pointer to abstract base class.
1504         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1505
1506 2011-12-18  Ian Lance Taylor  <iant@google.com>
1507
1508         * object.h (Relobj::local_symbol_value): New function.
1509         (Relobj::local_plt_offset): New function.
1510         (Relobj::local_has_got_offset): New function.
1511         (Relobj::local_got_offset): New function.
1512         (Relobj::set_local_got_offset): New function.
1513         (Relobj::do_local_symbol_value): New pure virtual function.
1514         (Relobj::do_local_plt_offset): Likewise.
1515         (Relobj::do_local_has_got_offset): Likewise.
1516         (Relobj::do_local_got_offset): Likewise.
1517         (Relobj::do_set_local_got_offset): Likewise.
1518         (Sized_relobj::do_local_has_got_offset): Rename from
1519         local_has_got_offset.
1520         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1521         (Sized_relobj::do_set_local_got_offset): Rename from
1522         set_local_got_offset.
1523         (Sized_relobj_file::do_local_plt_offset): Rename from
1524         local_plt_offset.
1525         (Sized_relobj_file::do_local_symbol_value): New function.
1526         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1527         local_plt_offset.
1528         * output.cc (Output_data_got::Got_entry::write): Change object to
1529         Relobj.  Use local_symbol_value.
1530         (Output_data_got::add_global_with_rel): Change rel_dyn to
1531         Output_data_reloc_generic*.  Use add_global_generic.
1532         (Output_data_got::add_global_with_rela): Remove.  Change all
1533         callers to use add_global_with_rel.
1534         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1535         Output_data_reloc_generic*.  Use add_global_generic.
1536         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1537         callers to use add_global_pair_with_rel.
1538         (Output_data_got::add_local): Change object to Relobj*.
1539         (Output_data_got::add_local_plt): Likewise.
1540         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1541         change rel_dyn to Output_data_reloc_generic*.  Use
1542         add_local_generic.
1543         (Output_data_got::add_local_with_rela): Remove.  Change all
1544         callers to use all_local_with_rel.
1545         (Output_data_got::add_local_pair_with_rel): Change object to
1546         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1547         add_output_section_generic.
1548         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1549         callers to use add_local_pair_with_rel.
1550         (Output_data_got::reserve_local): Change object to Relobj*.
1551         * output.h: (class Output_data_reloc_generic): Add pure virtual
1552         declarations for add_global_generic, add_local_generic,
1553         add_output_section_generic.
1554         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1555         functions for Output_data_reloc_generic.  Update declarations for
1556         changes listed in output.cc.
1557         (class Output_data_got): Change template parameter to got_size.
1558         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1559         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1560         function.
1561         (Sized_relobj_incr::do_local_plt_offset): New function.
1562         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1563         add_global_generic.
1564
1565 2011-12-17  Cary Coutant  <ccoutant@google.com>
1566
1567         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1568         * resolve.cc (Symbol_table::resolve): Likewise.
1569         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1570         arrays.
1571         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1572
1573 2011-12-16  Ian Lance Taylor  <iant@google.com>
1574
1575         * output.h (Output_data_reloc_generic::add): Only call
1576         add_dynamic_reloc if this is a dynamic reloc section.
1577
1578 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1579
1580         PR gold/13505
1581         * target-reloc.h (apply_relocation): Replace <64, false> with
1582         <size, big_endian>.
1583
1584 2011-11-25  Nick Clifton  <nickc@redhat.com>
1585
1586         * po/it.po: New Italian translation.
1587
1588 2011-11-17  Sterling Augustine  <saugustine@google.com>
1589
1590         * script.cc (script_include_directive): Implement.
1591         (read_script_file): New local variables name and search_path. Update
1592         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1593         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1594         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1595
1596 2011-11-11  Sterling Augustine  <saugustine@google.com>
1597
1598         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1599         (file_or_sections_cmd): Likewise.
1600
1601 2011-11-11  Doug Kwan  <dougkwan@google.com>
1602
1603         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1604         if --just-symbols is given.
1605
1606 2011-11-10  Doug Kwan  <dougkwan@google.com>
1607
1608         PR gold/13362
1609         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1610         when processing data relocs.
1611         * reloc.h (Relocate_functions::rel_unaligned): New method.
1612         (Relocate_functions::pcrel_unaligned): Ditto.
1613         (Relocate_functions::rel32_unaligned): Ditto.
1614         (Relocate_functions::pcrel32_unaligned): Ditto.
1615
1616 2011-11-09  Doug Kwan  <dougkwan@google.com>
1617
1618         PR gold/13362
1619         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1620         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1621         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1622         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1623         (Relocate_functions::rel_unaligned): New.
1624         (Relocate_functions::rel32_unaligned): New.
1625         * target-reloc.h (relocate_for_relocatable): Add code to handle
1626         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1627         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1628         arm_unaligned_reloc_r): New targets.
1629         * testsuite/Makefile.in: Regenerate.
1630         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1631         linking.
1632
1633 2011-11-02  Ian Lance Taylor  <iant@google.com>
1634
1635         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1636         NATIVE_LINKER.
1637         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1638         * options.cc (General_options::finalize): Use library search path
1639         from configure script if specified.  If not native and no sysroot,
1640         only search TOOLLIBDIR.
1641         * options.h (Search_directory::Search_directory): Change name to
1642         const std::string&.
1643         (General_options::add_to_library_path_with_sysroot): Change arg to
1644         const std::string&.
1645         * configure, Makefile.in, config.in: Rebuild.
1646
1647 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1648
1649         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1650         we are working around the ARM1176 Erratum.
1651         * options.h (General_options::fix_arm1176): Add option.
1652         * testsuite/Makefile.am: Add testcases, and keep current ones
1653         working.
1654         * testsuite/Makefile.in: Regenerate.
1655         * testsuite/arm_fix_1176.s: New file.
1656         * testsuite/arm_fix_1176.sh: Likewise.
1657
1658 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1659
1660         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1661         may_use_blx_.
1662         (Target_arm::may_use_blx): Remove method.
1663         (Target_arm::set_may_use_blx): Likewise.
1664         (Target_arm::may_use_v4t_interworking): New method.
1665         (Target_arm::may_use_v5t_interworking): Likewise.
1666         (Target_arm::may_use_blx_): Remove member variable.
1667         (Arm_relocate_functions::arm_branch_common): Check for v5T
1668         interworking.
1669         (Arm_relocate_functions::thumb_branch_common): Likewise.
1670         (Reloc_stub::stub_type_for_reloc): Likewise.
1671         (Target_arm::do_finalize_sections): Correct interworking checks.
1672         * testsuite/Makefile.am: Add new tests.
1673         * testsuite/Makefile.in: Regenerate.
1674         * testsuite/arm_farcall_arm_arm.s: New test.
1675         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1676         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1677         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1678         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1679         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1680         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1681         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1682
1683 2011-10-31  Cary Coutant  <ccoutant@google.com>
1684
1685         PR gold/13023
1686         * expression.cc (Expression::eval_with_dot): Add
1687         is_section_dot_assignment parameter.
1688         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1689         absolute and assigning to dot within a section.
1690         * script-sections.cc
1691         (Output_section_element_assignment::set_section_addresses): Pass
1692         dot_section to set_if_absolute.
1693         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1694         as is_section_dot_assignment flag to eval_with_dot.
1695         (Output_section_element_dot_assignment::set_section_addresses):
1696         Likewise.
1697         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1698         parameter.  Also set value if relative to dot_section; set the
1699         symbol's output_section.
1700         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1701         parameter.  Adjust all callers.
1702         (Expression::eval_maybe_dot): Likewise.
1703         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1704         Adjust all callers.
1705         * testsuite/script_test_2.t: Test assignment of an absolute value
1706         to dot within an output section element.
1707
1708 2011-10-31  Cary Coutant  <ccoutant@google.com>
1709
1710         * options.h (class General_options): Add --[no-]gnu-unique options.
1711         * symtab.cc (Symbol_table::sized_write_globals): Convert
1712         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1713
1714 2011-10-31  Cary Coutant  <ccoutant@google.com>
1715
1716         PR gold/13359
1717         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1718         unnecessary assertion.
1719         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1720
1721 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1722
1723         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1724         gc_mark_symbol.
1725         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1726         gc_mark_symbol.
1727         Change to just keep the section associated with symbol.
1728         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1729         they are externally visible and --export-dynamic is turned on.
1730         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1731
1732 2011-10-19  Ian Lance Taylor  <iant@google.com>
1733
1734         PR gold/13163
1735         * script-sections.cc
1736         (Output_section_element_dot_assignment::needs_output_section): New
1737         function.
1738
1739 2011-10-19  Ian Lance Taylor  <iant@google.com>
1740
1741         PR gold/13204
1742         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1743         --section-start option was seen.
1744         * options.h (General_options::any_section_start): New function.
1745
1746 2011-10-18  David S. Miller  <davem@davemloft.net>
1747
1748         PR binutils/13301
1749         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1750         member to track relocation locations that have moved during TLS
1751         reloc optimizations.
1752         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1753         (Target_sparc::Relocate::relocate): Adjust view down by 4
1754         bytes if it matches reloc_adjust_addr_.
1755         (Target_sparc::Relocate::relocate_tls): Always move the
1756         __tls_get_addr call delay slot instruction forward 4 bytes when
1757         performing relaxation.
1758
1759 2011-10-18  Cary Coutant  <ccoutant@google.com>
1760
1761         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1762         (Output_file::map_no_anonymous): Check for non-zero
1763         return code from posix_fallocate.
1764
1765 2011-10-17  Cary Coutant  <ccoutant@google.com>
1766
1767         PR gold/13245
1768         * plugin.cc (is_visible_from_outside): Check for symbols
1769         referenced from dynamic objects.
1770         * resolve.cc (Symbol_table::resolve): Don't count references
1771         from dynamic objects as references from real ELF files.
1772         * testsuite/plugin_test_2.sh: Adjust expected result.
1773
1774 2011-10-17  Cary Coutant  <ccoutant@google.com>
1775
1776         * gold.cc: Include timer.h.
1777         (queue_middle_tasks): Stamp time.
1778         (queue_final_tasks): Likewise.
1779         * main.cc (main): Store timer in parameters.  Print timers
1780         for each pass.
1781         * parameters.cc (Parameters::Parameters): Initialize timer_.
1782         (Parameters::set_timer): New function.
1783         (set_parameters_timer): New function.
1784         * parameters.h (Parameters::set_timer): New function.
1785         (Parameters::timer): New function.
1786         (Parameters::timer_): New data member.
1787         (set_parameters_timer): New function.
1788         * timer.cc (Timer::stamp): New function.
1789         (Timer::get_pass_time): New function.
1790         * timer.h (Timer::stamp): New function.
1791         (Timer::get_pass_time): New function.
1792         (Timer::pass_times_): New data member.
1793
1794 2011-10-17  Cary Coutant  <ccoutant@google.com>
1795
1796         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1797         task for members of lib groups.
1798
1799 2011-10-17  Cary Coutant  <ccoutant@google.com>
1800
1801         PR gold/13288
1802         * fileread.cc (File_read::find_view): Add assert.
1803         (File_read::make_view): Move bounds check (replace with assert)...
1804         (File_read::find_or_make_view): ... to here.
1805
1806 2011-10-12  Cary Coutant  <ccoutant@google.com>
1807
1808         * output.cc (Output_file::open_base_file): Handle case where
1809         ::read returns less than requested size.
1810
1811 2011-10-10  Cary Coutant  <ccoutant@google.com>
1812
1813         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1814         Initialize defined_count_.
1815         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1816         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1817         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1818         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1819         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1820         * incremental.h (Sized_relobj_incr::defined_count_): New data
1821         member.
1822         (Sized_incr_dynobj::defined_count_): New data member.
1823         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1824         Return zeroes instead of internal error.
1825
1826 2011-10-10  Cary Coutant  <ccoutant@google.com>
1827
1828         PR gold/13249
1829         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1830         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1831         * output.h (class Output_reloc): Add use_plt_offset flag.
1832         (Output_reloc::type_): Adjust size of bit field.
1833         (Output_reloc::use_plt_offset_): New bit field.
1834         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1835         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1836         flag.  Adjust all callers.
1837         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1838         creating RELATIVE relocations.
1839
1840 2011-10-10  Nick Clifton  <nickc@redhat.com>
1841
1842         * po/es.po: Updated Spanish translation.
1843         * po/fi.po: Updated Finnish translation.
1844
1845 2011-10-03   Diego Novillo  <dnovillo@google.com>
1846
1847         * options.cc (parse_uint): Fix dereference of RETVAL.
1848
1849 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1850
1851         * layout.h (section_order_map_): New member.
1852         (get_section_order_map): New member function.
1853         * output.cc (Output_section::add_input_section): Check for patterns
1854         only when --section-ordering-file is specified.
1855         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1856         output_sections have been formed.
1857         * layout.cc (Layout_Layout): Initialize section_order_map_.
1858         * plugin.cc (update_section_order): Store order in order_map. Do not
1859         update the order.
1860         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1861         * testsuite/Makefile.in: Regenerate.
1862         * testsuite/plugin_section_order.c: New file.
1863         * testsuite/plugin_final_layout.cc: New file.
1864         * testsuite/plugin_final_layout.sh: New file.
1865
1866 2011-09-29  Cary Coutant  <ccoutant@google.com>
1867
1868         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1869         Check for NULL.
1870         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1871         symbols during incremental update.
1872         (Symbol_table::add_from_dynobj): Likewise.
1873
1874 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1875             Ian Lance Taylor  <iant@google.com>
1876
1877         * symtab.cc (Symbol_table::define_special_symbol): Always
1878         canonicalize version string.
1879
1880 2011-09-26  Cary Coutant  <ccoutant@google.com>
1881
1882         * gold.cc (queue_initial_tasks): Move option checks ...
1883         * options.cc (General_options::finalize): ... to here. Disable
1884         some options; make others fatal.
1885
1886 2011-09-26  Cary Coutant  <ccoutant@google.com>
1887
1888         gcc PR lto/47247
1889         * plugin.cc (get_symbols_v2): New function.
1890         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1891         (is_referenced_from_outside): New function.
1892         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1893         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1894         (get_symbols): Pass version parameter.
1895         (get_symbols_v2): New function.
1896         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1897         parameter.
1898         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1899         (onload): Add LDPT_GET_SYMBOLS_V2.
1900         (all_symbols_read_hook): Use get_symbols_v2; check for
1901         LDPR_PREVAILING_DEF_IRONLY_EXP.
1902         * testsuite/plugin_test_3.sh: Update expected results.
1903
1904 2011-09-23  Simon Baldwin  <simonb@google.com>
1905
1906         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1907         configuration options.
1908         * configure: Regenerate.
1909         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1910         * Makefile.in: Regenerate.
1911         * testsuite/Makefile.in: Regenerate.
1912
1913 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1914
1915         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1916
1917 2011-09-19  Cary Coutant  <ccoutant@google.com>
1918
1919         * incremental.cc (can_incremental_update): Fix typo in comment.
1920         * incremental.h (can_incremental_update): Likewise.
1921
1922 2011-09-18  Cary Coutant  <ccoutant@google.com>
1923
1924         * incremental.cc (can_incremental_update): New function.
1925         * incremental.h (can_incremental_update): New function.
1926         * layout.cc (Layout::init_fixed_output_section): Call it.
1927         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1928         * object.cc (Sized_relobj_file::do_layout): Call
1929         can_incremental_update.
1930
1931 2011-09-13  Cary Coutant  <ccoutant@google.com>
1932
1933         * configure.ac: Check for glibc support for gnu_indirect_function
1934         support with static linking, setting automake conditional
1935         IFUNC_STATIC.
1936         * Makefile.in: Regenerate.
1937         * configure: Regenerate.
1938
1939         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1940         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1941         for IFUNC_STATIC.
1942         * testsuite/Makefile.in: Regenerate.
1943
1944 2011-09-13  Cary Coutant  <ccoutant@google.com>
1945
1946         * incremental.cc (Sized_relobj_incr::do_layout): Call
1947         report_comdat_group for kept comdat sections.
1948         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1949         * testsuite/Makefile.in: Regenerate.
1950         * testsuite/incr_comdat_test_1.cc: New source file.
1951         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1952         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1953         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1954
1955 2011-09-13  Ian Lance Taylor  <iant@google.com>
1956
1957         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1958         variable external_symbols_offset.
1959
1960 2011-09-12  Ian Lance Taylor  <iant@google.com>
1961
1962         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1963         triggered if object has no symbols.
1964
1965 2011-09-09  David S. Miller  <davem@davemloft.net>
1966
1967         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1968         (Output_fill_debug_line::do_write): Likewise.
1969
1970 2011-08-29  Cary Coutant  <ccoutant@google.com>
1971
1972         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1973         casts to match formatting specs.
1974         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1975
1976 2011-08-26  Cary Coutant  <ccoutant@google.com>
1977
1978         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1979         remaining hole size when allocating.
1980         (Layout::make_output_section): Set fill methods for debug sections.
1981         * layout.h (Free_list::Free_list_node): Move from private to
1982         public.
1983         (Free_list::set_min_hole_size): New function.
1984         (Free_list::begin, Free_list::end): New functions.
1985         (Free_list::min_hole_): New data member.
1986         * output.cc: Include dwarf.h.
1987         (Output_fill_debug_info::do_minimum_hole_size): New function.
1988         (Output_fill_debug_info::do_write): New function.
1989         (Output_fill_debug_line::do_minimum_hole_size): New function.
1990         (Output_fill_debug_line::do_write): New function.
1991         (Output_section::Output_section): Initialize new data member.
1992         (Output_section::set_final_data_size): Ensure patch space is larger
1993         than minimum hole size.
1994         (Output_section::do_write): Fill holes in debug sections.
1995         * output.h (Output_fill): New class.
1996         (Output_fill_debug_info): New class.
1997         (Output_fill_debug_line): New class.
1998         (Output_section::set_free_space_fill): New function.
1999         (Output_section::free_space_fill_): New data member.
2000         * testsuite/Makefile.am (incremental_test_3): Add
2001         --incremental-patch option.
2002         (incremental_test_4): Likewise.
2003         (incremental_test_5): Likewise.
2004         (incremental_test_6): Likewise.
2005         (incremental_copy_test): Likewise.
2006         (incremental_common_test_1): Likewise.
2007         * testsuite/Makefile.in: Regenerate.
2008
2009 2011-08-26  Nick Clifton  <nickc@redhat.com>
2010
2011         * po/es.po: Updated Spanish translation.
2012
2013 2011-08-01  Cary Coutant  <ccoutant@google.com>
2014
2015         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2016         * gold/testsuite/Makefile.in: Regenerate.
2017         * gold/testsuite/justsyms_exec.c: New source file.
2018         * gold/testsuite/justsyms_lib.c: New source file.
2019
2020 2011-08-01  Cary Coutant  <ccoutant@google.com>
2021
2022         * layout.cc (Layout::set_segment_offsets): Don't realign text
2023         segment if -Ttext was specified.
2024         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2025         file type.
2026         * object.h (Sized_relobj_file::e_type): New function.
2027         (Sized_relobj_file::e_type_): New data member.
2028         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2029         base address for ET_EXEC files.
2030         * target.cc (Target::do_make_elf_object_implementation): Allow
2031         ET_EXEC files with --just-symbols option.
2032
2033 2011-07-28  Cary Coutant  <ccoutant@google.com>
2034
2035         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2036         Add thread_number parameter.
2037         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2038         * workqueue-threads.cc
2039         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2040         current thread if its thread number is greater than desired thread
2041         count.
2042         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2043         Add thread_number parameter.
2044         (Workqueue::should_cancel_thread): Likewise.
2045         (Workqueue::find_runnable_or_wait): Pass thread_number to
2046         should_cancel_thread.
2047         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2048         parameter.
2049
2050 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2051
2052         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2053         only after checking if it cannot be forced local.
2054         * symtab.h (is_externally_visible): Check if the symbol is not forced
2055         local.
2056
2057 2011-07-15  Ian Lance Taylor  <iant@google.com>
2058
2059         * options.h (class General_options): Add --print-output-format.
2060         Move -EL next to -EB, for  better --help output.
2061         * target-select.cc: Include <cstdio>, "options.h", and
2062         "parameters.h".
2063         (Target_selector::do_target_bfd_name): New function.
2064         (print_output_format): New function.
2065         * target-select.h (class Target_selector): Update declarations.
2066         (Target_selector::target_bfd_name): New function.
2067         (print_output_format): Declare.
2068         * main.cc: Include "target-select.h".
2069         (main): Handle --print-output-format.
2070         * gold.cc: Include "target-select.h".
2071         (queue_initial_tasks): Handle --print-output-format when there are
2072         no input files.
2073         * parameters.cc (parameters_force_valid_target): Give a better
2074         error message if -EB/-EL does not match target.
2075         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2076         function.
2077
2078 2011-07-15  Ian Lance Taylor  <iant@google.com>
2079
2080         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2081         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2082         (Output_data_plt_i386::do_write): Write address of .dynamic
2083         section to first entry in .got.plt section.
2084         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2085         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2086         Initialize layout_.
2087         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2088         section to first entry in .got.plt section.
2089         * layout.h (Layout::dynamic_section): New function.
2090
2091 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2092
2093         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2094         to claim_file call.
2095         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2096         input_section_position_, and input_section_glob_.
2097         (read_layout_from_file): Call function section_ordering_specified.
2098         * layout.h (is_section_ordering_specified): New function.
2099         (section_ordering_specified): New function.
2100         (section_ordering_specified_): New boolean member.
2101         * main.cc(main): Call load_plugins after layout object is defined.
2102         * output.cc (Output_section::add_input_section): Use
2103         function section_ordering_specified to check if section ordering is
2104         needed.
2105         * output.cc (Output_section::add_relaxed_input_section): Use
2106         function section_ordering_specified to check if section ordering is
2107         needed.
2108         (Output_section::update_section_layout): New function.
2109         (Output_section::sort_attached_input_sections): Check if input section
2110         must be reordered.
2111         * output.h (Output_section::update_section_layout): New function.
2112         * plugin.cc (get_section_count): New function.
2113         (get_section_type): New function.
2114         (get_section_name): New function.
2115         (get_section_contents): New function.
2116         (update_section_order): New function.
2117         (allow_section_ordering): New function.
2118         (Plugin::load): Add the new interfaces to the transfer vector.
2119         (Plugin_manager::load_plugins): New parameter.
2120         (Plugin_manager::all_symbols_read): New parameter.
2121         (Plugin_manager::claim_file): New parameter. Save the elf object for
2122         unclaimed objects.
2123         (Plugin_manager::get_elf_object): New function.
2124         (Plugin_manager::get_view): Change to directly use the bool to check
2125         if get_view is called from claim_file_hook.
2126         * plugin.h (input_objects): New function
2127         (Plugin__manager::load_plugins): New parameter.
2128         (Plugin_manager::claim_file): New parameter.
2129         (Plugin_manager::get_elf_object): New function.
2130         (Plugin_manager::in_claim_file_handler): New function.
2131         (Plugin_manager::in_claim_file_handler_): New member.
2132         (layout): New function.
2133         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2134         handler with an extra parameter. Make the elf object before calling
2135         claim_file handler.
2136         * testsuite/plugin_test.c (get_section_count): New function pointer.
2137         (get_section_type): New function pointer.
2138         (get_section_name): New function pointer.
2139         (get_section_contents): New function pointer.
2140         (update_section_order): New function pointer.
2141         (allow_section_ordering): New function pointer.
2142         (onload): Check if the new interfaces exist.
2143
2144 2011-07-13  Ian Lance Taylor  <iant@google.com>
2145
2146         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2147         relro section.
2148         * x86_64.cc (Target_x86_64::got_section): Likewise.
2149         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2150         (relro_now_test_SOURCES): New variable.
2151         (relro_now_test_DEPENDENCIES): New variable.
2152         (relro_now_test_LDFLAGS): New variable.
2153         (relro_now_test_LDADD): New variable.
2154         (relro_now_test.so): New target.
2155         * testsuite/Makefile.in: Rebuild.
2156
2157 2011-07-12  Ian Lance Taylor  <iant@google.com>
2158
2159         PR gold/12980
2160         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2161         GLOB_DAT relocation rather than a RELATIVE relocation for a
2162         protected symbol when creating a shared library.
2163         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2164         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2165         * testsuite/protected_main_1.cc (main): Test that protected
2166         function has same address.
2167
2168 2011-07-11  Ian Lance Taylor  <iant@google.com>
2169
2170         PR gold/12979
2171         * options.h (class General_options): Add -Bgroup.
2172         * options.cc (General_options::finalize): If -Bgroup is set,
2173         default to --unresolved-symbols=report-all.
2174         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2175         * target-reloc.h (issue_undefined_symbol_error): Handle
2176         --unresolved-symbols=report-all.
2177
2178 2011-07-08  Ian Lance Taylor  <iant@google.com>
2179
2180         PR gold/11985
2181         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2182         if linker script discards key sections.
2183         (Layout::create_dynamic_symtab): Likewise.
2184         (Layout::assign_local_dynsym_offsets): Likewise.
2185         (Layout::sized_create_version_sections): Likewise.
2186         (Layout::create_interp): Likewise.
2187         (Layout::finish_dynamic_section): Likewise.
2188         (Layout::set_dynamic_symbol_size): Likewise.
2189
2190 2011-07-08  Ian Lance Taylor  <iant@google.com>
2191
2192         PR gold/12386
2193         * options.h (class General_options): Add --unresolved-symbols.
2194         * target-reloc.h (issue_undefined_symbol_error): Check
2195         --unresolved-symbols.  Add comments.
2196
2197 2011-07-08  Ian Lance Taylor  <iant@google.com>
2198
2199         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2200         expression more complex.
2201
2202 2011-07-08  Ian Lance Taylor  <iant@google.com>
2203
2204         PR gold/11317
2205         * target-reloc.h (issue_undefined_symbol_error): New inline
2206         function, broken out of relocate_section.
2207         (relocate_section): Call issue_undefined_symbol_error.
2208         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2209         there is no TLS segment if we are about to issue an undefined
2210         symbol error.
2211         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2212
2213 2011-07-08  Ian Lance Taylor  <iant@google.com>
2214
2215         PR gold/12279
2216         * resolve.cc (Symbol_table::should_override): Add fromtype
2217         parameter.  Change all callers.  Give error when linking together
2218         TLS and non-TLS symbol.
2219         (Symbol_table::should_override_with_special): Add fromtype
2220         parameter.  Change all callers.
2221         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2222         there is no TLS segment if we have reported some errors.
2223         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2224
2225 2011-07-08  Ian Lance Taylor  <iant@google.com>
2226
2227         PR gold/12372
2228         * target.h (Target::plt_address_for_global): New function.
2229         (Target::plt_address_for_local): New function.
2230         (Target::plt_section_for_global): Remove.
2231         (Target::plt_section_for_local): Remove.
2232         (Target::do_plt_address_for_global): New virtual function.
2233         (Target::do_plt_address_for_local): New virtual function.
2234         (Target::do_plt_section_for_global): Remove.
2235         (Target::do_plt_section_for_local): Remove.
2236         (Target::register_global_plt_entry): Add Symbol_table and Layout
2237         parameters.
2238         * output.cc (Output_data_got::Got_entry::write): Use
2239         plt_address_for_global and plt_address_for_local.
2240         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2241         address of output section.
2242         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2243         got_irelative_, and irelative_count_ fields.  Update
2244         declarations.
2245         (Output_data_plt_i386::has_irelative_section): New function.
2246         (Output_data_plt_i386::entry_count): Add irelative_count_.
2247         (Output_data_plt_i386::set_final_data_size): Likewise.
2248         (class Target_i386): Add got_irelative_ and rel_irelative_
2249         fields.  Update declarations.
2250         (Target_i386::Target_i386): Initialize new fields.
2251         (Target_i386::do_plt_address_for_global): New function replacing
2252         do_plt_section_for_global.
2253         (Target_i386::do_plt_address_for_local): New function replacing
2254         do_plt_section_for_local.
2255         (Target_i386::got_section): Create got_irelative_.
2256         (Target_i386::rel_irelative_section): New function.
2257         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2258         fields.  Don't define __rel_iplt_{start,end}.
2259         (Output_data_plt_i386::add_entry): Add symtab and layout
2260         parameters.  Change all callers.  Use different PLT and GOT for
2261         IFUNC symbols.
2262         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2263         layout parameters.  Change all callers.  Use different PLT and
2264         GOT.
2265         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2266         (Output_data_plt_i386::rel_irelative): New function.
2267         (Output_data_plt_i386::address_for_global): New function.
2268         (Output_data_plt_i386::address_for_local): New function.
2269         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2270         IRELATIVE GOT when changing IFUNC GOT entries.
2271         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2272         reloc.
2273         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2274         if we didn't create an IRELATIVE GOT.
2275         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2276         plt_address_for_local.
2277         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2278         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2279         got_irelative_, and irelative_count_ fields.  Update
2280         declarations.
2281         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2282         Initialize new fields.  Remove symtab parameter.  Change all
2283         callers.
2284         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2285         irelative_count_.
2286         (Output_data_plt_x86_64::has_irelative_section): New function.
2287         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2288         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2289         fields.  Update declarations.
2290         (Target_x86_64::Target_x86_64): Initialize new fields.
2291         (Target_x86_64::do_plt_address_for_global): New function replacing
2292         do_plt_section_for_global.
2293         (Target_x86_64::do_plt_address_for_local): New function replacing
2294         do_plt_section_for_local.
2295         (Target_x86_64::got_section): Create got_irelative_.
2296         (Target_x86_64::rela_irelative_section): New function.
2297         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2298         all callers.  Don't create __rel_iplt_{start,end}.
2299         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2300         parameters.  Change all callers.  Use different PLT and GOT for
2301         IFUNC symbols.
2302         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2303         layout parameters.  Change all callers.  Use different PLT and
2304         GOT.
2305         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2306         parameters.  Change all callers.  Use different PLT and GOT for
2307         IFUNC symbols.
2308         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2309         (Output_data_plt_x86_64::rela_irelative): New function.
2310         (Output_data_plt_x86_64::address_for_global): New function.
2311         (Output_data_plt_x86_64::address_for_local): New function.
2312         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2313         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2314         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2315         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2316         parameters.
2317         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2318         reloc.
2319         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2320         symbols if we didn't create an IRELATIVE GOT.
2321         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2322         plt_address_for_local.
2323         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2324         * testsuite/ifuncvar1.c: New test file.
2325         * testsuite/ifuncvar2.c: New test file.
2326         * testsuite/ifuncvar3.c: New test file.
2327         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2328         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2329         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2330         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2331         * testsuite/Makefile.in: Rebuild.
2332
2333 2011-07-07  Cary Coutant  <ccoutant@google.com>
2334
2335         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2336         (two_file_test_1_ndebug.o): Likewise.
2337         (two_file_test_1b_ndebug.o): Likewise.
2338         (two_file_test_2_ndebug.o): Likewise.
2339         (two_file_test_main_ndebug.o): Likewise.
2340         (incremental_test_2): Link with no-debug versions.
2341
2342 2011-07-06  Cary Coutant  <ccoutant@google.com>
2343
2344         * gold/incremental.cc
2345         (Output_section_incremental_inputs::write_info_blocks): Check for
2346         hidden and internal symbols.
2347
2348 2011-07-06  Cary Coutant  <ccoutant@google.com>
2349
2350         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2351         Check disposition for startup file.
2352         (Incremental_inputs::report_command_line): Ignore
2353         --incremental-startup-unchanged option.
2354         * options.cc (General_options::parse_incremental_startup_unchanged):
2355         New function.
2356         (General_options::General_options): Initialize new data member.
2357         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2358         (General_options): Add --incremental-startup-unchanged option.
2359         (General_options::incremental_startup_disposition): New function.
2360         (General_options::incremental_startup_disposition_): New data member.
2361
2362 2011-07-06  Cary Coutant  <ccoutant@google.com>
2363
2364         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2365         input file index to Script_info ctor.
2366         (Sized_incremental_binary::do_file_has_changed): Find the
2367         command-line argument for files named in scripts.
2368         * incremental.h (Script_info::Script_info): New ctor
2369         with input file index.
2370         (Script_info::input_file_index): New function.
2371         (Script_info::input_file_index_): New data member.
2372         (Incremental_binary::get_library): Add const.
2373         (Incremental_binary::get_script_info): Add const.
2374         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2375         * testsuite/Makefile.am (incremental_test_5): New test case.
2376         (incremental_test_6): New test case.
2377         * testsuite/Makefile.in: Regenerate.
2378
2379 2011-07-06  Cary Coutant  <ccoutant@google.com>
2380
2381         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2382         debug output when command lines differ.
2383
2384 2011-07-06  Cary Coutant  <ccoutant@google.com>
2385
2386         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2387         --incremental-patch option.
2388         * layout.cc (Free_list::allocate): Extend allocation beyond original
2389         end if enabled.
2390         (Layout::make_output_section): Mark sections that should get
2391         patch space.
2392         * options.cc (parse_percent): New function.
2393         * options.h (parse_percent): New function.
2394         (DEFINE_percent): New macro.
2395         (General_options): Add --incremental-patch option.
2396         * output.cc (Output_section::Output_section): Initialize new data
2397         members.
2398         (Output_section::add_input_section): Print section name when out
2399         of patch space.
2400         (Output_section::add_output_section_data): Likewise.
2401         (Output_section::set_final_data_size): Add patch space when
2402         doing --incremental-full.
2403         (Output_section::do_reset_address_and_file_offset): Remove patch
2404         space.
2405         (Output_segment::set_section_list_addresses): Print debug output
2406         only if --incremental-update.
2407         * output.h (Output_section::set_is_patch_space_allowed): New function.
2408         (Output_section::is_patch_space_allowed_): New data member.
2409         (Output_section::patch_space_): New data member.
2410         * parameters.cc (Parameters::incremental_full): New function.
2411         * parameters.h (Parameters::incremental_full): New function
2412         * testsuite/Makefile.am (incremental_test_2): Add test for
2413         --incremental-patch option.
2414         * testsuite/Makefile.in: Regenerate.
2415         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2416         (t18): Remove function body.
2417
2418 2011-07-05  Doug Kwan  <dougkwan@google.com>
2419
2420         PR gold/12771
2421         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2422         Arm_Address type for relocation result.
2423         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2424         overflow check.
2425         (Arm_relocate_functions::abs32): Use unaligned access.
2426         (Arm_relocate_functions::rel32): Ditto.
2427         (Arm_relocate_functions::prel31): Ditto.
2428         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2429         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2430         static data relocations.
2431         * testsuite/Makefile.in: Regnerate.
2432         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2433
2434 2011-07-05  Ian Lance Taylor  <iant@google.com>
2435
2436         PR gold/12392
2437         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2438         symbols if necessary.
2439         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2440
2441 2011-07-05  Ian Lance Taylor  <iant@google.com>
2442
2443         PR gold/12952
2444         * resolve.cc (Symbol::override_base_with_special): Simply override
2445         version with special symbol version, ignoring previous version.
2446
2447 2011-07-05  Ian Lance Taylor  <iant@google.com>
2448
2449         * object.cc (Sized_relobj_file::include_section_group): Add
2450         information to comment about signature location.
2451
2452 2011-07-02  Ian Lance Taylor  <iant@google.com>
2453
2454         PR gold/12957
2455         * options.h (class General_options): Add -f and -F.
2456         * options.cc (General_options::finalize): Fatal error if -f/-F
2457         are used without -shared.
2458         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2459
2460 2011-07-02  Ian Lance Taylor  <iant@google.com>
2461
2462         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2463
2464 2011-07-01  Ian Lance Taylor  <iant@google.com>
2465
2466         PR gold/12525
2467         PR gold/12952
2468         * resolve.cc (Symbol::override_base_with_special): Don't override
2469         the version if the overriding symbol has a different name.
2470         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2471         all callers.  If we give an error about an undefined version,
2472         define the base version if necessary.
2473         * dynobj.h (class Versions): Update declaration.
2474         * testsuite/weak_alias_test_5.cc: New file.
2475         * testsuite/weak_alias_test.script: New file.
2476         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2477         and versioned_alias have the right value, and call t2.
2478         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2479         weak_alias_test_5.so.
2480         (weak_alias_test_LDADD): Likewise.
2481         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2482         * testsuite/Makefile.in: Rebuild.
2483
2484 2011-07-01  Ian Lance Taylor  <iant@google.com>
2485
2486         PR gold/12525
2487         * options.h (class General_options): Support -z notext.
2488         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2489         -Wl,-z,notext.
2490         (two_file_shared_nonpic.so): Likewise.
2491         (two_file_shared_mixed.so): Likewise.
2492         (two_file_shared_mixed_1.so): Likewise.
2493         (weak_undef_lib_nonpic.so): Likewise.
2494         (alt/weak_undef_lib_nonpic.so): Likewise.
2495         (tls_test_shared_nonpic.so): Likewise.
2496         * testsuite/Makefile.in: Rebuild.
2497
2498 2011-07-01  Ian Lance Taylor  <iant@google.com>
2499
2500         PR gold/12525
2501         * configure.ac: Test whether static linking works, setting
2502         the automake conditional HAVE_STATIC.
2503         * testsuite/Makefile.am: Disable tests using -static if
2504         HAVE_STATIC is not true.
2505         * configure, testsuite/Makefile.in: Rebuild.
2506
2507 2011-07-01  Ian Lance Taylor  <iant@google.com>
2508
2509         PR gold/12525
2510         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2511         Assert if we see DW_EH_PE_indirect.
2512         * target.h (Target::ehframe_datarel_base): New function.
2513         (Target::do_ehframe_datarel_base): New target function.
2514         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2515         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2516         function.
2517
2518 2011-07-01  Ian Lance Taylor  <iant@google.com>
2519
2520         PR gold/12571
2521         * options.h (class General_options): Add
2522         --ld-generated-unwind-info.
2523         * ehframe.cc (Fde::write): Add address parameter.  Change all
2524         callers.  If associated with PLT, fill in address and size.
2525         (Cie::set_output_offset): Only add merge mapping if there is an
2526         object.
2527         (Cie::write): Add address parameter.  Change all callers.
2528         (Eh_frame::add_ehframe_for_plt): New function.
2529         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2530         input_offset_ fields into union u_, with new plt field.
2531         (Fde::Fde): Adjust for new union field.
2532         (Fde::Fde) [Output_data version]: New constructor.
2533         (Fde::add_mapping): Only add merge mapping if there is an object.
2534         (class Cie): Update declarations.
2535         (class Eh_frame): Declare add_ehframe_for_plt.
2536         * layout.cc (Layout::layout_eh_frame): Break out code into
2537         make_eh_frame_section, and call it.
2538         (Layout::make_eh_frame_section): New function.
2539         (Layout::add_eh_frame_for_plt): New function.
2540         * layout.h (class Layout): Update declarations.
2541         * merge.cc (Merge_map::add_mapping): Add assertion.
2542         * i386.cc: Include "dwarf.h".
2543         (class Output_data_plt_i386): Make first_plt_entry,
2544         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2545         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2546         and plt_eh_frame_fde.
2547         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2548         boundary.  Call add_eh_frame_for_plt if appropriate.
2549         * x86_64.cc: Include "dwarf.h".
2550         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2551         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2552         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2553         and plt_eh_frame_fde.
2554         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2555         appropriate.
2556
2557 2011-06-29  Ian Lance Taylor  <iant@google.com>
2558
2559         PR gold/12629
2560         * object.cc (Sized_relobj_file::layout_section): Change shdr
2561         parameter to be const.
2562         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2563         out of do_layout.
2564         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2565         appropriate.  Call layout_eh_frame_section.
2566         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2567         sections.
2568         * object.h (class Sized_relobj_file): Update declarations.
2569
2570 2011-06-29  Ian Lance Taylor  <iant@google.com>
2571
2572         PR gold/12652
2573         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2574         modifier.
2575         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2576
2577 2011-06-29  Ian Lance Taylor  <iant@google.com>
2578
2579         PR gold/12675
2580         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2581         SHT_X86_64_UNWIND.
2582         * layout.cc (Layout::layout_eh_frame): Likewise.
2583
2584 2011-06-29  Ian Lance Taylor  <iant@google.com>
2585
2586         PR gold/12695
2587         * layout.cc (Layout::symtab_section_shndx): New function.
2588         * layout.h (class Layout): Declare symtab_section_shndx.
2589         * output.cc (Output_section::write_header): Call it.
2590
2591 2011-06-29  Ian Lance Taylor  <iant@google.com>
2592
2593         PR gold/12818
2594         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2595         symbols which are not used in a relocation.
2596
2597 2011-06-28  Ian Lance Taylor  <iant@google.com>
2598
2599         PR gold/12898
2600         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2601         script create indistinguishable segments.
2602         (Layout::set_segment_offsets): Use stable_sort when sorting
2603         segments.  Pass this to Compare_segments constructor.
2604         * layout.h (class Layout): Make segment_precedes non-static.
2605         (class Compare_segments): Change from struct to class.  Add
2606         layout_ field.  Add constructor.
2607         * script-sections.cc
2608         (Script_sections::attach_sections_using_phdrs_clause): Rename
2609         local orphan to is_orphan.  Don't report failure to put empty
2610         section in segment.  On attachment failure, report name of
2611         section, and attach to first PT_LOAD segment.
2612
2613 2011-06-28  Ian Lance Taylor  <iant@google.com>
2614
2615         PR gold/12934
2616         * target-select.cc (Target_selector::Target_selector): Add
2617         emulation parameter.  Change all callers.
2618         (select_target_by_bfd_name): Rename from select_target_by_name.
2619         Change all callers.
2620         (select_target_by_emulation): New function.
2621         (supported_emulation_names): New function.
2622         * target-select.h (class Target_selector): Add emulation_ field.
2623         Update declarations.
2624         (Target_selector::recognize_by_bfd_name): Rename from
2625         recognize_by_name.  Change all callers.
2626         (Target_selector::supported_bfd_names): Rename from
2627         supported_names.  Change all callers.
2628         (Target_selector::recognize_by_emulation): New function.
2629         (Target_selector::supported_emulations): New function.
2630         (Target_selector::emulation): New function.
2631         (Target_selector::do_recognize_by_bfd_name): Rename from
2632         do_recognize_by_name.  Change all callers.
2633         (Target_selector::do_supported_bfd_names): Rename from
2634         do_supported_names.  Change all callers.
2635         (Target_selector::do_recognize_by_emulation): New function.
2636         (Target_selector::do_supported_emulations): New function.
2637         (select_target_by_bfd_name): Change name in declaration.
2638         (select_target_by_emulation): Declare.
2639         (supported_emulation_names): Declare.
2640         * parameters.cc (parameters_force_valid_target): Try to find
2641         target based on emulation from -m option.
2642         * options.h (class General_options): Change doc string for -m.
2643         * options.cc (help): Print emulations.
2644         (General_options::parse_V): Likewise.
2645         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2646         Add emulation parameter.  Change all callers.
2647
2648 2011-06-28  Ian Lance Taylor  <iant@google.com>
2649
2650         * target.h (class Target): Add osabi_ field.
2651         (Target::osabi): New function.
2652         (Target::set_osabi): New function.
2653         (Target::Target): Initialize osabi_.
2654         (Target::do_adjust_elf_header): Make pure virtual.
2655         (Sized_target::do_adjust_elf_header): Declare.
2656         * target.cc (Sized_target::do_adjust_elf_header): New function.
2657         (class Sized_target): Instantiate all versions.
2658         * freebsd.h (class Target_freebsd): Remove.
2659         (Target_selector_freebsd::do_recognize): Call set_osabi on
2660         Target.
2661         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2662         (Target_selector_freebsd::set_osabi): Remove.
2663         * i386.cc (class Target_i386): Inherit from Sized_target rather
2664         than Target_freebsd.
2665         * x86_64.cc (class Target_x86_64): Likewise.
2666
2667 2011-06-28  Ian Lance Taylor  <iant@google.com>
2668
2669         * target.h (Target::can_check_for_function_pointers): Rewrite.
2670         Make non-virtual.
2671         (Target::can_icf_inline_merge_sections): Likewise.
2672         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2673         (Target::Target_info): Add can_icf_inline_merge_sections field.
2674         (Target::do_can_check_for_function_pointers): New virtual
2675         function.
2676         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2677         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2678         from can_check_for_function_pointers, move in file.
2679         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2680         section_may_have_icf_unsafe_poineters, move in file.
2681         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2682         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2683         Rename from can_check_for_function_pointers, move in file.
2684         (Target_i386::can_icf_inline_merge_sections): Remove.
2685         (Target_i386::i386_info): Initialize
2686         can_icf_inline_merge_sections.
2687         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2688         Initialize can_icf_inline_merge_sections.
2689         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2690         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2691         Rename from can_check_for_function_pointers, move in file.
2692         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2693         (Target_x86_64::x86_64_info): Initialize
2694         can_icf_inline_merge_sections.
2695         * testsuite/testfile.cc (Target_test::test_target_info):
2696         Likewise.
2697         * icf.cc (get_section_contents): Correct formatting.
2698
2699 2011-06-27  Ian Lance Taylor  <iant@google.com>
2700
2701         * symtab.cc (Symbol::versioned_name): New function.
2702         (Symbol_table::add_to_final_symtab): Use versioned_name when
2703         appropriate.
2704         (Symbol_table::sized_write_symbol): Likewise.
2705         * symtab.h (class Symbol): Declare versioned_name.
2706         * stringpool.h (class Stringpool_template): Add variant of add
2707         which takes a std::basic_string.
2708         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2709         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2710         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2711         (ver_test_12.o): New target.
2712         * testsuite/Makefile.in: Rebuild.
2713
2714 2011-06-27  Doug Kwan  <dougkwan@google.com>
2715
2716         * arm.cc (Arm_relocate_functions::thm_jump8,
2717         Arm_relocate_functions::thm_jump11): Use a wider signed
2718         type to compute offset.
2719         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2720         arm_thm_jump8.
2721         * testsuite/Makefile.in: Regenerate.
2722         * testsuite/arm_branch_in_range.sh: Check test results of
2723         arm_thm_jump11 and arm_thm_jump8.
2724         * testsuite/arm_thm_jump11.s: New test source file.
2725         * testsuite/arm_thm_jump11.t: New linker script.
2726         * testsuite/arm_thm_jump8.s: New test source file.
2727         * testsuite/arm_thm_jump8.t: New linker script.
2728
2729 2011-06-24  Ian Lance Taylor  <iant@google.com>
2730
2731         * layout.cc: Include "object.h".
2732         (ctors_sections_in_init_array): New static variable.
2733         (Layout::is_ctors_in_init_array): New function.
2734         (Layout::layout): Add entry to ctors_sections_in_init_array if
2735         appropriate.
2736         * layout.h (class Layout): Declare is_ctors_in_init_array.
2737         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2738         is_ctors_reverse_view is set.
2739         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2740         all callers.  Set is_ctors_reverse_view field of View_size.
2741         (Sized_relobj_file::reverse_words): New function.
2742         * object.h (Sized_relobj_file::View_size): Add
2743         is_ctors_reverse_view field.
2744         (class Sized_relobj_file): Update declarations.
2745         * testsuite/initpri3.c: New test.
2746         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2747         initpri3b.
2748         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2749         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2750         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2751         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2752         * testsuite/Makefile.in: Rebuild.
2753
2754 2011-06-24  Cary Coutant  <ccoutant@google.com>
2755
2756         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2757         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2758         (debug_msg_cdebug.err): New targets.
2759         * testsuite/Makefile.in: Regenerate.
2760         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2761         Fix checks for link with shared library.
2762
2763 2011-06-24  Doug Kwan  <dougkwan@google.com>
2764
2765         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2766         skip empty text sections.
2767         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2768
2769 2011-06-22  Ian Lance Taylor  <iant@google.com>
2770
2771         PR gold/12910
2772         * options.h (class General_options): Add --ctors-in-init-array.
2773         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2774         friends as SHT_PROGBITS for merging sections.
2775         (Layout::layout): Remove special handling of .init_array and
2776         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2777         and .dtors if ctors_in_init_array.
2778         (Layout::make_output_section): Force correct section types for
2779         .init_array and friends.  Don't sort if doing relocatable link,
2780         Don't sort .ctors and .dtors if ctors_in_init_array.
2781         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2782         (Layout::output_section_name): Add relobj parameter.  Change all
2783         callers.  Handle .ctors. and .dtors. in code rather than table.
2784         Handle .ctors and .dtors if ctors_in_init_array.
2785         (Layout::match_file_name): New function, moved from output.cc.
2786         * layout.h (class Layout): Update declarations.
2787         * output.cc: Include "layout.h".
2788         (Input_section_sort_entry::get_priority): New function.
2789         (Input_section_sort_entry::match_file_name): Just call
2790         Layout::match_file_name.
2791         (Output_section::Input_section_sort_init_fini_compare::operator()):
2792         Handle .ctors and .dtors.  Sort by explicit priority rather than
2793         by name.
2794         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2795         * testsuite/initpri2.c: New test.
2796         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2797         (check_PROGRAMS): Add initpri2.
2798         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2799         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2800         * configure, testsuite/Makefile.in: Rebuild.
2801
2802 2011-06-19  Ian Lance Taylor  <iant@google.com>
2803
2804         PR gold/12880
2805         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2806         .interp section to a PT_INTERP segment even if we have seen a
2807         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2808         clause in a linker script.
2809         (Layout::finalize): Don't create a .interp section if we've
2810         already create a PT_INTERP segment.
2811         (Layout::create_interp): Always call choose_output_section (revert
2812         patch of 2011-06-17).  Don't create PT_INTERP segment.
2813         * script-sections.cc
2814         (Script_sections::create_note_and_tls_segments): Add a .interp
2815         section to a PT_INTERP segment even if we have seen a
2816         --dynamic-linker option.
2817
2818 2011-06-18  Ian Lance Taylor  <iant@google.com>
2819
2820         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2821         merely because a non-PT_LOAD segment has a dynamic reloc.
2822
2823 2011-06-18  Ian Lance Taylor  <iant@google.com>
2824
2825         * layout.cc (Layout::finish_dynamic_section): Don't create
2826         DT_FLAGS entry if not needed.
2827
2828 2011-06-18  Ian Lance Taylor  <iant@google.com>
2829
2830         PR gold/12745
2831         * layout.cc (Layout::layout_eh_frame): Correct handling of
2832         writable .eh_frame section.
2833
2834 2011-06-17  Ian Lance Taylor  <iant@google.com>
2835
2836         PR gold/12893
2837         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2838         symbol is redefined with the exact same object and value.
2839
2840 2011-06-17  Ian Lance Taylor  <iant@google.com>
2841
2842         PR gold/12880
2843         * layout.h (class Layout): Add interp_segment_ field.
2844         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2845         (Layout::attach_allocated_section_to_segment): If making shared
2846         library, put .interp section in PT_INTERP segment.
2847         (Layout::finalize): Also call create_interp if -dynamic-linker
2848         option was used.
2849         (Layout::create_interp): Assert that there is no PT_INTERP
2850         segment.  If not using a SECTIONS clause, use make_output_section.
2851         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2852         * script-sections.cc
2853         (Script_sections::create_note_and_tls_segments): If making shared
2854         library, put .interp section in PT_INTERP segment.
2855
2856 2011-06-17  Ian Lance Taylor  <iant@google.com>
2857
2858         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2859         when making a shared library.
2860
2861 2011-06-17  Ian Lance Taylor  <iant@google.com>
2862
2863         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2864         parameter.  Change all callers.  Don't issue warning about PC32
2865         against locally defined symbol.
2866
2867 2011-06-16  Ian Lance Taylor  <iant@google.com>
2868
2869         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2870         occurs in same object.
2871
2872 2011-06-14  Alan Modra  <amodra@gmail.com>
2873
2874         * po/POTFILES.in: Regenerate.
2875
2876 2011-06-09  Ian Lance Taylor  <iant@google.com>
2877
2878         * script-sections.cc
2879         (Orphan_output_section::set_section_addresses): For a relocatable
2880         link set address to 0.
2881
2882 2011-06-09  Cary Coutant  <ccoutant@google.com>
2883
2884         PR gold/12804
2885         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2886         used with --compress-debug-sections.
2887         * gold/object.cc (Sized_relobj_file::do_layout): Report
2888         uncompressed size of compressed input sections.
2889
2890 2011-06-08  Cary Coutant  <ccoutant@google.com>
2891
2892         PR gold/12804
2893         * testsuite/two_file_test_2_v1.cc: Change initialization of
2894         v2 to keep it in .data.
2895
2896 2011-06-07  Cary Coutant  <ccoutant@google.com>
2897
2898         * common.cc (Symbol_table::do_allocate_commons_list): Call
2899         gold_fallback.
2900         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2901         (Errors::fallback): New function.
2902         (gold_fallback): New function.
2903         * errors.h (Errors::fallback): New function.
2904         * gold.cc (gold_exit): Change status parameter to enum; adjust
2905         all callers.
2906         (queue_initial_tasks): Call gold_fallback.
2907         * gold.h: Include cstdlib.
2908         (Exit_status): New enum type.
2909         (gold_exit): Change status parameter to enum.
2910         (gold_fallback): New function.
2911         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2912         (Layout::create_symtab_sections): Likewise.
2913         (Layout::create_shdrs): Likewise.
2914         * main.cc (main): Adjust call to gold_exit.
2915         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2916         (Output_data_got::add_got_entry_pair): Likewise.
2917         (Output_section::add_input_section): Likewise.
2918         (Output_section::add_output_section_data): Likewise.
2919         (Output_segment::set_section_list_addresses): Likewise.
2920         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2921
2922 2011-06-07  Cary Coutant  <ccoutant@google.com>
2923
2924         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2925         for incremental links.
2926         * output.cc (Output_segment::set_section_list_addresses): Remove
2927         FIXME and test for TLS or BSS.
2928
2929 2011-06-07  Cary Coutant  <ccoutant@google.com>
2930
2931         * testsuite/Makefile.am: Add incremental_copy_test,
2932         incremental_common_test_1.
2933         * testsuite/Makefile.in: Regenerate.
2934         * testsuite/common_test_1_v1.c: New source file.
2935         * testsuite/common_test_1_v2.c: New source file.
2936         * testsuite/copy_test_v1.cc: New source file.
2937
2938 2011-06-07  Cary Coutant  <ccoutant@google.com>
2939
2940         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2941         update, allocate common from bss section's free list.
2942         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2943         linker-defined symbols.
2944         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2945         Skip GOT and PLT entries that are no longer referenced.
2946         (Output_section_incremental_inputs::write_info_blocks): Mark
2947         linker-defined symbols.
2948         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2949         * output.cc (Output_section::allocate): New function.
2950         * output.h (Output_section::allocate): New function.
2951         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2952         linker-defined symbols.
2953         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2954         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2955         (Symbol::init_base_output_data): Likewise.
2956         (Symbol::init_base_output_segment): Likewise.
2957         (Symbol::init_base_constant): Likewise.
2958         (Sized_symbol::init_output_data): Likewise.
2959         (Sized_symbol::init_output_segment): Likewise.
2960         (Sized_symbol::init_constant): Likewise.
2961         (Symbol_table::do_define_in_output_data): Likewise.
2962         (Symbol_table::do_define_in_output_segment): Likewise.
2963         (Symbol_table::do_define_as_constant): Likewise.
2964         * symtab.h (Symbol::is_predefined): New function.
2965         (Symbol::init_base_output_data): Add is_predefined parameter.
2966         (Symbol::init_base_output_segment): Likewise.
2967         (Symbol::init_base_constant): Likewise.
2968         (Symbol::is_predefined_): New data member.
2969         (Sized_symbol::init_output_data): Add is_predefined parameter.
2970         (Sized_symbol::init_output_segment): Likewise.
2971         (Sized_symbol::init_constant): Likewise.
2972         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2973
2974 2011-06-07  Cary Coutant  <ccoutant@google.com>
2975
2976         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2977         instead of emit_copy_reloc.
2978         (Copy_relocs::emit_copy_reloc): Refactor.
2979         (Copy_relocs::make_copy_reloc): New function.
2980         (Copy_relocs::add_copy_reloc): Remove.
2981         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2982         section.
2983         (Copy_relocs::make_copy_reloc): New function.
2984         (Copy_relocs::add_copy_reloc): Remove.
2985         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2986         unchanged input files.
2987         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2988         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2989         Reserve BSS space for COPY relocations.
2990         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2991         (Output_section_incremental_inputs::write_info_blocks): Record
2992         whether a symbol is copied from a shared object.
2993         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2994         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2995         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2996         (Incremental_input_entry_reader::get_output_symbol_index): Add
2997         is_copy parameter.
2998         (Incremental_binary::emit_copy_relocs): New function.
2999         (Incremental_binary::do_emit_copy_relocs): New function.
3000         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3001         new data member.
3002         (Sized_incremental_binary::add_copy_reloc): New function.
3003         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3004         (Sized_incremental_binary::Copy_reloc): New struct.
3005         (Sized_incremental_binary::Copy_relocs): New typedef.
3006         (Sized_incremental_binary::copy_relocs_): New data member.
3007         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3008         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3009         * target.h (Sized_target::emit_copy_reloc): New function.
3010         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3011
3012 2011-06-02  Cary Coutant  <ccoutant@google.com>
3013
3014         PR gold/12163
3015         * gold/archive.cc (Archive::Archive): Initialize new data member.
3016         (Archive::include_all_members): Return if archive has already been
3017         included.
3018         * gold/archive.h (Archive::include_all_members_): New data member.
3019
3020 2011-06-02  Nick Clifton  <nickc@redhat.com>
3021
3022         * dynobj.h: Fix spelling mistake in comment.
3023         * output.cc: Likewise.
3024
3025 2011-05-31  Doug Kwan  <dougkwan@google.com>
3026             Asier Llano
3027
3028         PR gold/12826
3029         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3030         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3031         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3032         redundant arm_exidx_test.so.
3033         * testsuite/Makefile.in: Regenerate.
3034         (check_SCRIPTS): Add pr12826.sh
3035         (check_DATA): Add pr12826.stdout
3036         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3037         * testsuite/pr12826.sh: New file.
3038         * testsuite/pr12826_1.s: Ditto.
3039         * testsuite/pr12826_1.s: Ditto.
3040
3041 2011-05-30  Ian Lance Taylor  <iant@google.com>
3042
3043         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3044         sections.
3045
3046 2011-05-29  Ian Lance Taylor  <iant@google.com>
3047
3048         PR gold/12804
3049         * testsuite/Makefile.am: Use different file name for two_file_test
3050         temporary file for each incremental test.
3051         * testsuite/Makefile.in: Rebuild.
3052
3053 2011-05-29  Ian Lance Taylor  <iant@google.com>
3054
3055         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3056         binary input file is empty.
3057
3058 2011-05-27  Ian Lance Taylor  <iant@google.com>
3059
3060         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3061         (ver_test_9.so): Likewise.
3062         * testsuite/Makefile.in: Rebuild.
3063
3064 2011-05-26 Cary Coutant  <ccoutant@google.com>
3065
3066         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3067         * incremental.cc (Incremental_inputs::report_input_section): Fix
3068         comment, indentation.
3069         (Incremental_inputs::report_comdat_group): New function.
3070         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3071         of data for incremental input file entry.
3072         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3073         group count, COMDAT group signatures.
3074         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3075         an unchanged input file.
3076         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3077         Initialize new data member.
3078         (Incremental_object_entry::add_comdat_group): New function.
3079         (Incremental_object_entry::get_comdat_group_count): New function.
3080         (Incremental_object_entry::get_comdat_signature_key): New function.
3081         (Incremental_object_entry::groups_): New data member.
3082         (Incremental_inputs::report_comdat_group): New function.
3083         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3084         data for incremental input file entry.
3085         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3086         (Incremental_input_entry_reader::get_input_section): Adjust size of
3087         data for incremental input file entry.
3088         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3089         (Incremental_input_entry_reader::get_comdat_group_signature): New
3090         function.
3091         * object.cc (Sized_relobj::include_section_group): Report kept
3092         COMDAT groups for incremental links.
3093
3094 2011-05-24  David Meyer  <pdox@google.com>
3095
3096         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3097         with name parameter.  Add found_name parameter.
3098         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3099         * dirsearch.h (class Dirsearch): Update declaration.
3100
3101 2011-05-24  Ian Lance Taylor  <iant@google.com>
3102
3103         * archive.cc (Library_base::should_include_member): Pull in object
3104         from archive if it defines the entry symbol.
3105         * parameters.cc (Parameters::entry): New function.
3106         * parameters.h (class Parameters): Declare entry.
3107         * output.h (class Output_file_header): Remove entry_ field.
3108         * output.cc (Output_file_header::Output_file_header): Remove entry
3109         parameter.  Change all callers.
3110         (Output_file_header::entry): Use parameters->entry.
3111         * gold.cc (queue_middle_tasks): Likewise.
3112         * plugin.cc (Plugin_hook::run): Likewise.
3113
3114 2011-05-24 Cary Coutant  <ccoutant@google.com>
3115
3116         * gold.cc (queue_initial_tasks): Pass incremental base filename
3117         to Output_file::open_base_file; don't print error message.
3118         * incremental-dump.cc (main): Adjust call to
3119         Output_file::open_for_modification.
3120         * incremental-dump.cc (main): Likewise.
3121         * incremental.cc (Incremental_inputs::report_command_line):
3122         Ignore --incremental-base option when comparing command lines.
3123         Ignore parameter when given as separate argument.
3124         * options.h (class General_options): Add --incremental-base.
3125         * output.cc (Output_file::Output_file):
3126         (Output_file::open_base_file): Add base_name and writable parameters;
3127         read base file into new file; print error message here.
3128         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3129         callers.
3130         * output.h (Output_file::open_for_modification): Rename to...
3131         (Output_file::open_base_file): ...this; add base_name and
3132         writable parameters; adjust all callers.
3133         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3134         callers.
3135         * testsuite/Makefile.am (incremental_test_4): Test
3136         --incremental-base.
3137         * testsuite/Makefile.in: Regenerate.
3138
3139 2011-05-24 Cary Coutant  <ccoutant@google.com>
3140
3141         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3142         incremental_test_4.
3143         * testsuite/Makefile.in: Regenerate.
3144         * testsuite/two_file_test_1_v1.cc: New test source file.
3145         * testsuite/two_file_test_1b_v1.cc: New test source file.
3146         * testsuite/two_file_test_2_v1.cc: New test source file.
3147
3148 2011-05-24 Cary Coutant  <ccoutant@google.com>
3149
3150         * dynobj.h (Dynobj::do_dynobj): New function.
3151         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3152         flag and soname for shared objects.
3153         * incremental.cc (Incremental_inputs::report_object): Make
3154         either Incremental_object_entry or Incremental_dynobj_entry; add
3155         soname to string table.
3156         (Incremental_inputs::report_input_section): Add assertion.
3157         (Output_section_incremental_inputs::set_final_data_size): Adjust
3158         type of input file entry for shared libraries; adjust size of
3159         shared library info entry.
3160         (Output_section_incremental_inputs::write_input_files): Write
3161         as_needed flag for shared libraries.
3162         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3163         of input file entry for shared libraries; write soname.
3164         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3165         soname from incremental info.
3166         * incremental.h (enum Incremental_input_flags): Add
3167         INCREMENTAL_INPUT_AS_NEEDED.
3168         (Incremental_input_entry::Incremental_input_entry): Initialize new
3169         data member.
3170         (Incremental_input_entry::set_as_needed): New function.
3171         (Incremental_input_entry::as_needed): New function.
3172         (Incremental_input_entry::do_dynobj_entry): New function.
3173         (Incremental_input_entry::as_needed_): New data member.
3174         (Incremental_object_entry::Incremental_object_entry): Don't check
3175         for shared library.
3176         (Incremental_object_entry::do_type): Likewise.
3177         (class Incremental_dynobj_entry): New class.
3178         (Incremental_input_entry_reader::as_needed): New function.
3179         (Incremental_input_entry_reader::get_soname): New function.
3180         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3181         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3182         size of shared library info entry.
3183         * layout.cc (Layout::finish_dynamic_section): Don't test for
3184         incremental link when adding DT_NEEDED entries.
3185         * object.h (Object::Object): Initialize new data member.
3186         (Object::dynobj): New function.
3187         (Object::set_as_needed): New function.
3188         (Object::as_needed): New function.
3189         (Object::do_dynobj): New function.
3190         (Object::as_needed_): New data member.
3191
3192 2011-05-24 Cary Coutant  <ccoutant@google.com>
3193
3194         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3195         info; adjust display of GOT entries.
3196         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3197         vector of input objects; remove file_status_.
3198         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3199         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3200         got_plt reader; call target hooks to reserve GOT entries.
3201         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3202         of input file info header and GOT info entry.
3203         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3204         relocation info.
3205         (Got_plt_view_info::got_descriptor): Remove.
3206         (Got_plt_view_info::sym_index): New data member.
3207         (Got_plt_view_info::input_index): New data member.
3208         (Local_got_offset_visitor::visit): Write input file index.
3209         (Global_got_offset_visitor::visit): Write 0 for input file index.
3210         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3211         with sym_index and input_index.
3212         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3213         incremental info GOT entry; replace got_descriptor with input_index.
3214         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3215         map from input file index to object.
3216         (Sized_relobj_incr::do_layout): Replace direct data member reference
3217         with accessor function.
3218         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3219         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3220         Adjust size of input file info header.
3221         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3222         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3223         (Incremental_input_entry_reader::get_input_section): Adjust size of
3224         input file info header.
3225         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3226         of incremental info GOT entry.
3227         (Incremental_got_plt_reader::get_got_desc): Remove.
3228         (Incremental_got_plt_reader::get_got_symndx): New function.
3229         (Incremental_got_plt_reader::get_got_input_index): New function.
3230         (Sized_incremental_binary::Sized_incremental_binary): Remove
3231         file_status_; add input_objects_.
3232         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3233         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3234         (Sized_incremental_binary::file_is_unchanged): Remove.
3235         (Sized_incremental_binary::set_input_object): New function.
3236         (Sized_incremental_binary::input_object): New function.
3237         (Sized_incremental_binary::file_status_): Remove.
3238         (Sized_incremental_binary::input_objects_): New data member.
3239         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3240         references.
3241         (Sized_relobj_incr::invalid_address): Move to base class.
3242         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3243         class.
3244         (Sized_relobj_incr::do_output_section_offset): Likewise.
3245         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3246         (Sized_relobj_incr::section_offsets_): Likewise.
3247         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3248         function.
3249         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3250         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3251         with accessor function.
3252         (Sized_relobj_file::do_layout): Likewise.
3253         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3254         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3255         (Sized_relobj_file::compute_final_local_value): Replace refs to
3256         section_offsets_ with accessor function.
3257         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3258         * object.h (Relobj::Relobj): Initialize new data members.
3259         (Relobj::add_dyn_reloc): New function.
3260         (Relobj::first_dyn_reloc): New function.
3261         (Relobj::dyn_reloc_count): New function.
3262         (Relobj::first_dyn_reloc_): New data member.
3263         (Relobj::dyn_reloc_count_): New data member.
3264         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3265         references.
3266         (Sized_relobj::Address): New typedef.
3267         (Sized_relobj::invalid_address): Move here from child class.
3268         (Sized_relobj::Sized_relobj): Initialize new data members.
3269         (Sized_relobj::sized_relobj): New function.
3270         (Sized_relobj::is_output_section_offset_invalid): Move here from
3271         child class.
3272         (Sized_relobj::get_output_section_offset): Likewise.
3273         (Sized_relobj::local_has_got_offset): Likewise.
3274         (Sized_relobj::local_got_offset): Likewise.
3275         (Sized_relobj::set_local_got_offset): Likewise.
3276         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3277         (Sized_relobj::clear_got_offsets): New function.
3278         (Sized_relobj::section_offsets): Move here from child class.
3279         (Sized_relobj::do_output_section_offset): Likewise.
3280         (Sized_relobj::do_set_section_offset): Likewise.
3281         (Sized_relobj::Local_got_offsets): Likewise.
3282         (Sized_relobj::local_got_offsets_): Likewise.
3283         (Sized_relobj::section_offsets_): Likewise.
3284         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3285         references.
3286         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3287         class.
3288         (Sized_relobj_file::sized_relobj): New function
3289         (Sized_relobj_file::local_has_got_offset): Move to base class.
3290         (Sized_relobj_file::local_got_offset): Likewise.
3291         (Sized_relobj_file::set_local_got_offset): Likewise.
3292         (Sized_relobj_file::get_output_section_offset): Likewise.
3293         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3294         (Sized_relobj_file::do_output_section_offset): Likewise.
3295         (Sized_relobj_file::do_set_section_offset): Likewise.
3296         (Sized_relobj_file::Local_got_offsets): Likewise.
3297         (Sized_relobj_file::local_got_offsets_): Likewise.
3298         (Sized_relobj_file::section_offsets_): Likewise.
3299         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3300         (all constructors).
3301         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3302         (Output_reloc::get_symbol_index): Likewise.
3303         (Output_reloc::local_section_offset): Likewise.
3304         (Output_reloc::get_address): Likewise.
3305         (Output_reloc::symbol_value): Likewise.
3306         (Output_data_got::reserve_slot): Move to class definition.
3307         (Output_data_got::reserve_local): New function.
3308         (Output_data_got::reserve_slot_for_global): Remove.
3309         (Output_data_got::reserve_global): New function.
3310         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3311         (all constructors, two instantiations).
3312         (Output_reloc::get_relobj): New function (two instantiations).
3313         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3314         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3315         (Output_data_reloc::add_global): Adjust type of relobj.
3316         (Output_data_reloc::add_global_relative): Likewise.
3317         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3318         (Output_data_reloc::add_local): Likewise.
3319         (Output_data_reloc::add_local_relative): Likewise.
3320         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3321         (Output_data_reloc::add_local_section): Likewise.
3322         (Output_data_reloc::add_output_section): Likewise.
3323         (Output_data_reloc::add_absolute): Likewise.
3324         (Output_data_reloc::add_target_specific): Likewise.
3325         (Output_data_got::reserve_slot): Move definition here.
3326         (Output_data_got::reserve_local): New function.
3327         (Output_data_got::reserve_global): New function.
3328         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3329         section_offsets_ with accessor function.
3330         (Sized_relobj_file::write_sections): Likewise.
3331         (Sized_relobj_file::do_relocate_sections): Likewise.
3332         * target.h (Sized_target::reserve_local_got_entry): New function.
3333         (Sized_target::reserve_global_got_entry): New function.
3334         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3335         (Target_x86_64::reserve_global_got_entry): New function.
3336         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3337
3338 2011-05-23 Cary Coutant  <ccoutant@google.com>
3339
3340         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3341         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3342         bit when checking got_type.
3343         * incremental.cc (Sized_incremental_binary::setup_readers):
3344         Store symbol table and string table locations; initialize bit vector
3345         of file status flags.
3346         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3347         unchanged files.
3348         (Sized_incremental_binary::do_process_got_plt): New function.
3349         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3350         (Output_section_incremental_inputs::set_final_data_size): Record
3351         file index for each input file.
3352         (Output_section_incremental_inputs::write_got_plt): Store file index
3353         instead of input entry offset for each GOT entry.
3354         * incremental.h
3355         (Incremental_input_entry::Incremental_input_entry): Initialize new
3356         data member.
3357         (Incremental_input_entry::set_offset): Store file index.
3358         (Incremental_input_entry::get_file_index): New function.
3359         (Incremental_input_entry::file_index_): New data member.
3360         (Incremental_binary::process_got_plt): New function.
3361         (Incremental_binary::do_process_got_plt): New function.
3362         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3363         data members.
3364         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3365         (Sized_incremental_binary::set_file_is_unchanged): New function.
3366         (Sized_incremental_binary::file_is_unchanged): New function.
3367         (Sized_incremental_binary::do_process_got_plt): New function.
3368         (Sized_incremental_binary::file_status_): New data member.
3369         (Sized_incremental_binary::main_symtab_loc_): New data member.
3370         (Sized_incremental_binary::main_strtab_loc_): New data member.
3371         * output.cc (Output_data_got::Got_entry::write): Add case
3372         RESERVED_CODE.
3373         (Output_data_got::add_global): Call add_got_entry.
3374         (Output_data_got::add_global_plt): Likewise.
3375         (Output_data_got::add_global_with_rel): Likewise.
3376         (Output_data_got::add_global_with_rela): Likewise.
3377         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3378         (Output_data_got::add_global_pair_with_rela): Likewise.
3379         (Output_data_got::add_local): Call add_got_entry.
3380         (Output_data_got::add_local_plt): Likewise.
3381         (Output_data_got::add_local_with_rel): Likewise.
3382         (Output_data_got::add_local_with_rela): Likewise.
3383         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3384         (Output_data_got::add_local_pair_with_rela): Likewise.
3385         (Output_data_got::reserve_slot): New function.
3386         (Output_data_got::reserve_slot_for_global): New function.
3387         (Output_data_got::add_got_entry): New function.
3388         (Output_data_got::add_got_entry_pair): New function.
3389         (Output_section::add_output_section_data): Edit FIXME.
3390         * output.h
3391         (Output_section_data_build::Output_section_data_build): New
3392         constructor with size parameter.
3393         (Output_data_space::Output_data_space): Likewise.
3394         (Output_data_got::Output_data_got): Initialize new data member; new
3395         constructor with size parameter.
3396         (Output_data_got::add_constant): Call add_got_entry.
3397         (Output_data_got::reserve_slot): New function.
3398         (Output_data_got::reserve_slot_for_global): New function.
3399         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3400         (Output_data_got::add_got_entry): New function.
3401         (Output_data_got::add_got_entry_pair): New function.
3402         (Output_data_got::free_list_): New data member.
3403         * target.h (Sized_target::init_got_plt_for_update): New function.
3404         (Sized_target::register_global_plt_entry): New function.
3405         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3406         Initialize new data member; call init; add constructor with PLT count.
3407         (Output_data_plt_x86_64::init): New function.
3408         (Output_data_plt_x86_64::add_relocation): New function.
3409         (Output_data_plt_x86_64::reserve_slot): New function.
3410         (Output_data_plt_x86_64::free_list_): New data member.
3411         (Target_x86_64::init_got_plt_for_update): New function.
3412         (Target_x86_64::register_global_plt_entry): New function.
3413         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3414         incremental updates.
3415         (Output_data_plt_x86_64::add_relocation): New function.
3416         * testsuite/object_unittest.cc (Object_test): Set default options.
3417
3418 2011-05-16  Ian Lance Taylor  <iant@google.com>
3419
3420         * options.h (class General_options): Make -i a synonym for -r.
3421
3422 2011-05-16  Ian Lance Taylor  <iant@google.com>
3423
3424         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3425
3426 2011-05-10 Cary Coutant  <ccoutant@google.com>
3427
3428         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3429         strip_all (-s).
3430
3431 2011-05-06  Ian Lance Taylor  <iant@google.com>
3432
3433         * layout.cc (Layout::layout): If the output section flags change,
3434         update the ordering.
3435
3436 2011-04-25 Cary Coutant  <ccoutant@google.com>
3437
3438         * incremental-dump.cc (dump_incremental_inputs): Print local
3439         symbol info for each input file.
3440         * incremental.cc
3441         (Output_section_incremental_inputs::set_final_data_size): Add local
3442         symbol info to input file entries in incremental info.
3443         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3444         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3445         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3446         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3447         implementation.
3448         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3449         (Sized_incr_relobj::do_relocate): Write the local symbols.
3450         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3451         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3452         Adjust size of input file header.
3453         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3454         (Incremental_inputs_reader::get_local_symbol_count): New function.
3455         (Incremental_inputs_reader::get_input_section): Adjust size of input
3456         file header.
3457         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3458         (Sized_incr_relobj::This): New typedef.
3459         (Sized_incr_relobj::sym_size): New const data member.
3460         (Sized_incr_relobj::Local_symbol): New struct.
3461         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3462         (Sized_incr_relobj::do_local_symbol_offset): New function.
3463         (Sized_incr_relobj::local_symbol_count_): New data member.
3464         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3465         (Sized_incr_relobj::local_symbol_index_): New data member.
3466         (Sized_incr_relobj::local_symbol_offset_): New data member.
3467         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3468         (Sized_incr_relobj::local_symbols_): New data member.
3469         * object.h (Relobj::output_local_symbol_count): New function.
3470         (Relobj::local_symbol_offset): New function.
3471         (Relobj::do_output_local_symbol_count): New function.
3472         (Relobj::do_local_symbol_offset): New function.
3473         (Sized_relobj::do_output_local_symbol_count): New function.
3474         (Sized_relobj::do_local_symbol_offset): New function.
3475
3476 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3477
3478         * descriptors.cc (set_close_on_exec): New function.
3479         (Descriptors::open): Use set_close_on_exec.
3480         * output.cc (S_ISLNK): Define if not defined.
3481
3482 2011-04-22 Cary Coutant  <ccoutant@google.com>
3483
3484         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3485         global symbol map.
3486         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3487         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3488         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3489         relocations.
3490         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3491         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3492         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3493         * incremental.h
3494         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3495         function.
3496         (Incremental_binary::apply_incremental_relocs): New function.
3497         (Incremental_binary::do_apply_incremental_relocs): New function.
3498         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3499         data member.
3500         (Sized_incremental_binary::add_global_symbol): New function.
3501         (Sized_incremental_binary::global_symbol): New function.
3502         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3503         (Sized_incremental_binary::symbol_map_): New data member.
3504         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3505         * target.h (Sized_target::apply_relocation): New function.
3506         * target-reloc.h (apply_relocation): New function.
3507         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3508
3509 2011-04-22  Doug Kwan  <dougkwan@google.com>
3510
3511         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3512         flag of a SHT_ARM_EXIDX section.
3513         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3514         * testsuite/Makefile.in: Regenerate.
3515         * testsuite/arm_exidx_test.s: New file.
3516         * testsuite/arm_exidx_test.sh: Same.
3517
3518 2011-04-20 Cary Coutant  <ccoutant@google.com>
3519
3520         PR gold/12689
3521         * archive.h (Incremental_archive_entry::Archive_member):
3522         Initialize arg_serial_ (second constructor).
3523
3524 2011-04-17  Ian Lance Taylor  <iant@google.com>
3525
3526         * object.cc (Relocate_info::location): Simplify location string.
3527         * errors.cc (Errors::error_at_location): Don't print program
3528         name.
3529         (Errors::warning_at_location): Likewise.
3530         (Errors::undefined_symbol): Likewise.
3531         * testsuite/debug_msg.sh: Update accordingly.
3532
3533 2011-04-14 Cary Coutant  <ccoutant@google.com>
3534
3535         * gold/layout.cc (Layout::symtab_section_offset): New function.
3536         * gold/layout.h (Layout::symtab_section_offset): New function.
3537         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3538
3539 2011-04-12  Ian Lance Taylor  <iant@google.com>
3540
3541         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3542         with MREMAP_MAYMOVE.
3543         * output.h (class Output_file): Add map_is_allocated_ field.
3544         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3545         not available, provide stubs.  If mremap is not available, #define
3546         it to gold_mremap.
3547         (MREMAP_MAYMOVE): Define if not defined.
3548         (Output_file::Output_file): Initialize map_is_allocated_.
3549         (Output_file::resize): Check map_is_allocated_.
3550         (Output_file::map_anonymous): If mmap fails, use malloc.
3551         (Output_file::unmap): Don't do anything for an anonymous map.
3552         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3553         is not available, provide stubs.
3554         (File_read::View::~View): Use free rather than delete[].
3555         (File_read::make_view): Use malloc rather than new[].  If mmap
3556         fails, use malloc.
3557         (File_read::find_or_make_view): Use malloc rather than new[].
3558         * gold.h: Remove HAVE_REMAP code.
3559         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3560         exists.  Rename mremap to gold_mremap.  If mmap is not available
3561         don't do anything.
3562         * configure, config.in: Rebuild.
3563
3564 2011-04-11  Ian Lance Taylor  <iant@google.com>
3565
3566         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3567         initialize local variable v.
3568
3569 2011-04-11  Cary Coutant  <ccoutant@google.com>
3570
3571         * archive.cc (Archive::include_member): Adjust call to
3572         report_object.
3573         (Add_archive_symbols::run): Track argument serial numbers.
3574         (Lib_group::include_member): Likewise.
3575         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3576         * archive.h (Incremental_archive_entry::Archive_member):
3577         Initialize arg_serial_.
3578         (Archive_member::arg_serial_): New data member.
3579         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3580         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3581         incremental link.
3582         (Sized_dynobj::do_for_all_local_got_entries): New function.
3583         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3584         function.
3585         * fileread.cc (get_mtime): New function.
3586         * fileread.h (get_mtime): New function.
3587         * gold.cc (queue_initial_tasks): Check for incremental update.
3588         (process_incremental_input): New function.
3589         (queue_middle_tasks): Don't force valid target for incremental
3590         update.
3591         * incremental-dump.cc (find_input_containing_global): Adjust
3592         size of symbol info entry.
3593         (dump_incremental_inputs): Dump argument serial number and
3594         in_system_directory flag; bias shndx by 1; print symbol names
3595         when dumping per-file symbol lists; use new symbol info readers.
3596         * incremental.cc
3597         (Output_section_incremental_inputs:update_data_size): New function.
3598         (Sized_incremental_binary::setup_readers): Setup input readers
3599         for each input file; build maps for files added from libraries
3600         and scripts.
3601         (Sized_incremental_binary::check_input_args): New function.
3602         (Sized_incremental_binary::do_check_inputs): Build map of argument
3603         serial numbers to input arguments.
3604         (Sized_incremental_binary::do_file_has_changed): Rename
3605         do_file_is_unchanged to this; compare file modification times.
3606         (Sized_incremental_binary::do_init_layout): New function.
3607         (Sized_incremental_binary::do_reserve_layout): New function.
3608         (Sized_incremental_binary::do_get_input_reader): Remove.
3609         (Sized_incremental_binary::get_symtab_view): New function.
3610         (Incremental_checker::can_incrementally_link_output_file): Remove.
3611         (Incremental_inputs::report_command_line): Exclude --debug options.
3612         (Incremental_inputs::report_archive_begin): Add parameter; track
3613         argument serial numbers; don't put input file entry for archive
3614         before archive members.
3615         (Incremental_inputs::report_archive_end): Put input file entry
3616         for archive after archive members.
3617         (Incremental_inputs::report_object): Add parameter; track argument
3618         serial numbers and in_system_directory flag.
3619         (Incremental_inputs::report_script): Add parameter; track argument
3620         serial numbers.
3621         (Output_section_incremental_inputs::set_final_data_size): Adjust
3622         size of symbol info entry; check for forwarding symbols.
3623         (Output_section_incremental_inputs::write_input_files): Write
3624         in_system_directory flag and argument serial number.
3625         (Output_section_incremental_inputs::write_info_blocks): Map section
3626         indices between incremental info and original input file; store
3627         input section index for each symbol.
3628         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3629         change operator() to visit().
3630         (class Global_got_offset_visitor): Likewise.
3631         (class Global_symbol_visitor_got_plt):
3632         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3633         classes.
3634         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3635         (Sized_incr_relobj::do_read_symbols): New function.
3636         (Sized_incr_relobj::do_layout): New function.
3637         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3638         (Sized_incr_relobj::do_add_symbols): New function.
3639         (Sized_incr_relobj::do_should_include_member): New function.
3640         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3641         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3642         (Sized_incr_relobj::do_section_size): New function.
3643         (Sized_incr_relobj::do_section_name): New function.
3644         (Sized_incr_relobj::do_section_contents): New function.
3645         (Sized_incr_relobj::do_section_flags): New function.
3646         (Sized_incr_relobj::do_section_entsize): New function.
3647         (Sized_incr_relobj::do_section_address): New function.
3648         (Sized_incr_relobj::do_section_type): New function.
3649         (Sized_incr_relobj::do_section_link): New function.
3650         (Sized_incr_relobj::do_section_info): New function.
3651         (Sized_incr_relobj::do_section_addralign): New function.
3652         (Sized_incr_relobj::do_initialize_xindex): New function.
3653         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3654         (Sized_incr_relobj::do_read_relocs): New function.
3655         (Sized_incr_relobj::do_gc_process_relocs): New function.
3656         (Sized_incr_relobj::do_scan_relocs): New function.
3657         (Sized_incr_relobj::do_count_local_symbols): New function.
3658         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3659         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3660         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3661         (Sized_incr_relobj::do_relocate): New function.
3662         (Sized_incr_relobj::do_set_section_offset): New function.
3663         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3664         (Sized_incr_dynobj::do_read_symbols): New function.
3665         (Sized_incr_dynobj::do_layout): New function.
3666         (Sized_incr_dynobj::do_add_symbols): New function.
3667         (Sized_incr_dynobj::do_should_include_member): New function.
3668         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3669         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3670         (Sized_incr_dynobj::do_section_size): New function.
3671         (Sized_incr_dynobj::do_section_name): New function.
3672         (Sized_incr_dynobj::do_section_contents): New function.
3673         (Sized_incr_dynobj::do_section_flags): New function.
3674         (Sized_incr_dynobj::do_section_entsize): New function.
3675         (Sized_incr_dynobj::do_section_address): New function.
3676         (Sized_incr_dynobj::do_section_type): New function.
3677         (Sized_incr_dynobj::do_section_link): New function.
3678         (Sized_incr_dynobj::do_section_info): New function.
3679         (Sized_incr_dynobj::do_section_addralign): New function.
3680         (Sized_incr_dynobj::do_initialize_xindex): New function.
3681         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3682         (make_sized_incremental_object): New function.
3683         (Incremental_library::copy_unused_symbols): New function.
3684         (Incremental_library::do_for_all_unused_symbols): New function.
3685         * incremental.h (enum Incremental_input_flags): New type.
3686         (class Incremental_checker): Remove.
3687         (Incremental_input_entry::Incremental_input_entry): Add argument
3688         serial number.
3689         (Incremental_input_entry::arg_serial): New function.
3690         (Incremental_input_entry::set_is_in_system_directory): New function.
3691         (Incremental_input_entry::is_in_system_directory): New function.
3692         (Incremental_input_entry::arg_serial_): New data member.
3693         (Incremental_input_entry::is_in_system_directory_): New data member.
3694         (class Script_info): Move here from script.h.
3695         (Script_info::Script_info): Add filename parameter.
3696         (Script_info::filename): New function.
3697         (Script_info::filename_): New data member.
3698         (Incremental_script_entry::Incremental_script_entry): Add argument
3699         serial number.
3700         (Incremental_object_entry::Incremental_object_entry): Likewise.
3701         (Incremental_object_entry::add_input_section): Build list of input
3702         sections with map to original shndx.
3703         (Incremental_object_entry::get_input_section_index): New function.
3704         (Incremental_object_entry::shndx_): New data member.
3705         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3706         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3707         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3708         serial number.
3709         (Incremental_inputs::report_archive_begin): Likewise.
3710         (Incremental_inputs::report_object): Likewise.
3711         (Incremental_inputs::report_script): Likewise.
3712         (class Incremental_global_symbol_reader): New class.
3713         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3714         and store flags and input file type.
3715         (Incremental_input_entry_reader::arg_serial): New function.
3716         (Incremental_input_entry_reader::type): Extract type from flags.
3717         (Incremental_input_entry_reader::is_in_system_directory): New function.
3718         (Incremental_input_entry_reader::get_input_section_count): Call
3719         accessor function for type.
3720         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3721         function for type; adjust size of global symbol entry.
3722         (Incremental_input_entry_reader::get_global_symbol_count): Call
3723         accessor function for type.
3724         (Incremental_input_entry_reader::get_object_count): Likewise.
3725         (Incremental_input_entry_reader::get_object_offset): Likewise.
3726         (Incremental_input_entry_reader::get_member_count): Likewise.
3727         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3728         (Incremental_input_entry_reader::get_member_offset): Likewise.
3729         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3730         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3731         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3732         (Incremental_input_entry_reader::get_global_symbol_reader): New
3733         function.
3734         (Incremental_input_entry_reader::get_output_symbol_index): New
3735         function.
3736         (Incremental_input_entry_reader::type_): Remove.
3737         (Incremental_input_entry_reader::flags_): New data member.
3738         (Incremental_inputs_reader::input_file_offset): New function.
3739         (Incremental_inputs_reader::input_file_index): New function.
3740         (Incremental_inputs_reader::input_file): Call input_file_offset.
3741         (Incremental_inputs_reader::input_file_at_offset): New function.
3742         (Incremental_relocs_reader::get_r_type): Reformat.
3743         (Incremental_relocs_reader::get_r_shndx): Reformat.
3744         (Incremental_relocs_reader::get_r_offset): Reformat.
3745         (Incremental_relocs_reader::data): New function.
3746         (Incremental_binary::Incremental_binary): Initialize new data members.
3747         (Incremental_binary::check_inputs): Add cmdline parameter.
3748         (Incremental_binary::file_is_unchanged): Remove.
3749         (Input_reader::arg_serial): New function.
3750         (Input_reader::get_unused_symbol_count): New function.
3751         (Input_reader::get_unused_symbol): New function.
3752         (Input_reader::do_arg_serial): New function.
3753         (Input_reader::do_get_unused_symbol_count): New function.
3754         (Input_reader::do_get_unused_symbol): New function.
3755         (Incremental_binary::input_file_count): New function.
3756         (Incremental_binary::get_input_reader): Change signature to use
3757         index instead of filename.
3758         (Incremental_binary::file_has_changed): New function.
3759         (Incremental_binary::get_input_argument): New function.
3760         (Incremental_binary::get_library): New function.
3761         (Incremental_binary::get_script_info): New function.
3762         (Incremental_binary::init_layout): New function.
3763         (Incremental_binary::reserve_layout): New function.
3764         (Incremental_binary::output_file): New function.
3765         (Incremental_binary::do_check_inputs): New function.
3766         (Incremental_binary::do_file_is_unchanged): Remove.
3767         (Incremental_binary::do_file_has_changed): New function.
3768         (Incremental_binary::do_init_layout): New function.
3769         (Incremental_binary::do_reserve_layout): New function.
3770         (Incremental_binary::do_input_file_count): New function.
3771         (Incremental_binary::do_get_input_reader): Change signature.
3772         (Incremental_binary::input_args_map_): New data member.
3773         (Incremental_binary::library_map_): New data member.
3774         (Incremental_binary::script_map_): New data member.
3775         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3776         new data members.
3777         (Sized_incremental_binary::output_section): New function.
3778         (Sized_incremental_binary::inputs_reader): Add const.
3779         (Sized_incremental_binary::symtab_reader): Add const.
3780         (Sized_incremental_binary::relocs_reader): Add const.
3781         (Sized_incremental_binary::got_plt_reader): Add const.
3782         (Sized_incremental_binary::get_symtab_view): New function.
3783         (Sized_incremental_binary::Inputs_reader): New typedef.
3784         (Sized_incremental_binary::Input_entry_reader): New typedef.
3785         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3786         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3787         (Sized_incremental_binary::do_file_has_changed): New function.
3788         (Sized_incremental_binary::do_init_layout): New function.
3789         (Sized_incremental_binary::do_reserve_layout): New function.
3790         (Sized_input_reader::Inputs_reader): Remove.
3791         (Sized_input_reader::Input_entry_reader): Remove.
3792         (Sized_input_reader::do_arg_serial): New function.
3793         (Sized_input_reader::do_get_unused_symbol_count): New function.
3794         (Sized_input_reader::do_get_unused_symbol): New function.
3795         (Sized_incremental_binary::do_input_file_count): New function.
3796         (Sized_incremental_binary::do_get_input_reader): Change signature;
3797         use index instead of filename.
3798         (Sized_incremental_binary::section_map_): New data member.
3799         (Sized_incremental_binary::input_entry_readers_): New data member.
3800         (class Sized_incr_relobj): New class.
3801         (class Sized_incr_dynobj): New class.
3802         (make_sized_incremental_object): New function.
3803         (class Incremental_library): New class.
3804         * layout.cc (Free_list::num_lists): New static data member.
3805         (Free_list::num_nodes): New static data member.
3806         (Free_list::num_removes): New static data member.
3807         (Free_list::num_remove_visits): New static data member.
3808         (Free_list::num_allocates): New static data member.
3809         (Free_list::num_allocate_visits): New static data member.
3810         (Free_list::init): New function.
3811         (Free_list::remove): New function.
3812         (Free_list::allocate): New function.
3813         (Free_list::dump): New function.
3814         (Free_list::print_stats): New function.
3815         (Layout_task_runner::run): Resize output file for incremental updates.
3816         (Layout::Layout): Initialize new data members.
3817         (Layout::set_incremental_base): New function.
3818         (Layout::init_fixed_output_section): New function.
3819         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3820         incremental updates.
3821         (Layout::create_gold_note): Do not create gold note section for
3822         incremental updates.
3823         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3824         for incremental updates.
3825         (Layout::set_section_offsets): For incremental updates, allocate space
3826         from free list.
3827         (Layout::create_symtab_sections): Layout with offsets relative to
3828         start of section; for incremental updates, allocate space from free
3829         list.
3830         (Layout::create_shdrs): For incremental updates, allocate space from
3831         free list.
3832         (Layout::finish_dynamic_section): For incremental updates, do not
3833         check --as-needed (fixed in subsequent patch).
3834         * layout.h (class Free_list): New class.
3835         (Layout::set_incremental_base): New function.
3836         (Layout::incremental_base): New function.
3837         (Layout::init_fixed_output_section): New function.
3838         (Layout::allocate): New function.
3839         (Layout::incremental_base_): New data member.
3840         (Layout::free_list_): New data member.
3841         * main.cc (main): Print Free_list statistics.
3842         * object.cc (Relobj::finalize_incremental_relocs): Add
3843         clear_counts parameter; clear counts only when clear_counts is set.
3844         (Sized_relobj::Sized_relobj): Initialize new base class.
3845         (Sized_relobj::do_layout): Don't report special sections.
3846         (Sized_relobj::do_for_all_local_got_entries): New function.
3847         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3848         symtab_off to all symbol table offsets.
3849         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3850         * object.h (class Got_offset_list): Move to top of file.
3851         (Object::Object): Allow case where input_file == NULL.
3852         (Object::~Object): Likewise.
3853         (Object::input_file): Assert that input_file != NULL.
3854         (Object::lock): Allow case where input_file == NULL.
3855         (Object::unlock): Likewise.
3856         (Object::is_locked): Likewise.
3857         (Object::token): Likewise.
3858         (Object::release): Likewise.
3859         (Object::is_incremental): New function.
3860         (Object::get_mtime): New function.
3861         (Object::for_all_local_got_entries): New function.
3862         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3863         (Object::set_is_in_system_directory): New function.
3864         (Object::is_in_system_directory): New function.
3865         (Object::do_is_incremental): New function.
3866         (Object::do_get_mtime): New function.
3867         (Object::do_for_all_local_got_entries): New function.
3868         (Object::is_in_system_directory_): New data member.
3869         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3870         (class Sized_relobj_base): New class.
3871         (class Sized_relobj): Derive from Sized_relobj_base.
3872         (class Sized_relobj::Symbols): Redeclare from base class.
3873         (class Sized_relobj::local_got_offset_list): Remove.
3874         (class Sized_relobj::Output_sections): Redeclare from base class.
3875         (class Sized_relobj::do_for_all_local_got_entries): New function.
3876         (class Sized_relobj::write_local_symbols): Add offset parameter.
3877         (class Sized_relobj::local_symbol_offset_): Update comment.
3878         (class Sized_relobj::local_dynsym_offset_): Update comment.
3879         * options.cc (Input_arguments::add_file): Remove const.
3880         * options.h (Input_file_argument::Input_file_argument):
3881         Initialize arg_serial_ (all constructors).
3882         (Input_file_argument::set_arg_serial): New function.
3883         (Input_file_argument::arg_serial): New function.
3884         (Input_file_argument::arg_serial_): New data member.
3885         (Input_arguments::Input_arguments): Initialize file_count_.
3886         (Input_arguments::add_file): Remove const.
3887         (Input_arguments::number_of_input_files): New function.
3888         (Input_arguments::file_count_): New data member.
3889         (Command_line::number_of_input_files): Call
3890         Input_arguments::number_of_input_files.
3891         * output.cc (Output_segment_headers::Output_segment_headers):
3892         Set current size.
3893         (Output_section::Input_section::current_data_size): New function.
3894         (Output_section::Output_section): Initialize new data members.
3895         (Output_section::add_input_section): Don't do merge sections for
3896         an incremental link; allocate space from free list for an
3897         incremental update.
3898         (Output_section::add_output_section_data): Allocate space from
3899         free list for an incremental update.
3900         (Output_section::update_data_size): New function.
3901         (Output_section::set_fixed_layout): New function.
3902         (Output_section::reserve): New function.
3903         (Output_segment::set_section_addresses): Remove const.
3904         (Output_segment::set_section_list_addresses): Remove const; allocate
3905         space from free list for an incremental update.
3906         (Output_segment::set_offset): Adjust size of RELRO segment for an
3907         incremental update.
3908         * output.h (Output_data::current_data_size): Move here from
3909         child classes.
3910         (Output_data::pre_finalize_data_size): New function.
3911         (Output_data::update_data_size): New function.
3912         (Output_section_headers::update_data_size): new function.
3913         (Output_section_data_build::current_data_size): Move to Output_data.
3914         (Output_data_strtab::update_data_size): New function.
3915         (Output_section::current_data_size): Move to Output_data.
3916         (Output_section::set_fixed_layout): New function.
3917         (Output_section::has_fixed_layout): New function.
3918         (Output_section::reserve): New function.
3919         (Output_section::update_data_size): New function.
3920         (Output_section::has_fixed_layout_): New data member.
3921         (Output_section::free_list_): New data member.
3922         (Output_segment::set_section_addresses): Remove const.
3923         (Output_segment::set_section_list_addresses): Remove const.
3924         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3925         New function.
3926         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3927         New function.
3928         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3929         parameter when calling Add_symbols constructor; store argument
3930         serial number for members of a lib group.
3931         (Add_symbols::locks): Allow case where token == NULL.
3932         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3933         (Read_member::~Read_member): New function.
3934         (Read_member::is_runnable): New function.
3935         (Read_member::locks): New function.
3936         (Read_member::run): New function.
3937         (Check_script::~Check_script): New function.
3938         (Check_script::is_runnable): New function.
3939         (Check_script::locks): New function.
3940         (Check_script::run): New function.
3941         (Check_library::~Check_library): New function.
3942         (Check_library::is_runnable): New function.
3943         (Check_library::locks): New function.
3944         (Check_library::run): New function.
3945         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3946         (Add_symbols::library_): New data member.
3947         (class Read_member): New class.
3948         (class Check_script): New class.
3949         (class Check_library): New class.
3950         * reloc.cc (Read_relocs::is_runnable): Allow case where
3951         token == NULL.
3952         (Read_relocs::locks): Likewise.
3953         (Scan_relocs::locks): Likewise.
3954         (Relocate_task::locks): Likewise.
3955         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3956         to clear counters.
3957         (Sized_relobj::incremental_relocs_scan): Fix comment.
3958         (Sized_relobj::do_relocate): Pass output file offset to
3959         write_local_symbols.
3960         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3961         from class declaration.
3962         * script.cc (read_input_script): Allocate Script_info; pass
3963         argument serial number to report_script.
3964         * script.h (class Script_info): Move to incremental.h.
3965         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3966         * symtab.h (Symbol_table::add_from_incrobj): New function.
3967         (Symbol_table::set_file_offset): New function.
3968
3969 2011-04-05  Cary Coutant  <ccoutant@google.com>
3970
3971         * incremental-dump.cc (dump_incremental_inputs): Change signature
3972         to take a Sized_incremental_binary; change caller.  Use readers
3973         in Sized_incremental_binary.
3974         * incremental.cc
3975         (Sized_incremental_binary::find_incremental_inputs_sections):
3976         Rename do_find_incremental_inputs_sections to this.
3977         (Sized_incremental_binary::setup_readers): New function.
3978         (Sized_incremental_binary::do_check_inputs): Check
3979         has_incremental_info_ flag; move setup code to setup_readers;
3980         use input readers.
3981         (Sized_incremental_binary::do_file_is_unchanged): New function.
3982         (Sized_incremental_binary::do_get_input_reader): New function.
3983         * incremental.h (class Incremental_binary): Move to end of file.
3984         (Incremental_binary::file_is_unchanged): New function.
3985         (Incremental_binary::do_file_is_unchanged): New function.
3986         (Incremental_binary::Input_reader): New class.
3987         (Incremental_binary::get_input_reader): New function.
3988         (class Sized_incremental_binary): Move to end of file.
3989         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3990         input section reader classes.
3991         (Sized_incremental_binary::has_incremental_info): New function.
3992         (Sized_incremental_binary::inputs_reader): New function.
3993         (Sized_incremental_binary::symtab_reader): New function.
3994         (Sized_incremental_binary::relocs_reader): New function.
3995         (Sized_incremental_binary::got_plt_reader): New function.
3996         (Sized_incremental_binary::do_file_is_unchanged): New function.
3997         (Sized_incremental_binary::Sized_input_reader): New class.
3998         (Sized_incremental_binary::get_input_reader): New function.
3999         (Sized_incremental_binary::find_incremental_inputs_sections):
4000         Rename do_find_incremental_inputs_sections to this.
4001         (Sized_incremental_binary::setup_readers): New function.
4002         (Sized_incremental_binary::has_incremental_info_): New data member.
4003         (Sized_incremental_binary::inputs_reader_): New data member.
4004         (Sized_incremental_binary::symtab_reader_): New data member.
4005         (Sized_incremental_binary::relocs_reader_): New data member.
4006         (Sized_incremental_binary::got_plt_reader_): New data member.
4007         (Sized_incremental_binary::current_input_file_): New data member.
4008
4009 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4010
4011         PR gold/12640
4012         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4013         violation.
4014
4015 2011-03-30  Cary Coutant  <ccoutant@google.com>
4016
4017         * archive.cc (Archive::include_member): Adjust call to report_object.
4018         (Add_archive_symbols::run): Add script_info to call to
4019         report_archive_begin.
4020         (Lib_group::include_member): Adjust call to report_object.
4021         (Add_lib_group_symbols::run): Adjust call to report_object.
4022         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4023         blocks.  Add object count for script input files.
4024         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4025         script_info parameter; change all callers.
4026         (Incremental_inputs::report_object): Add script_info parameter;
4027         change all callers.
4028         (Incremental_inputs::report_script): Store backpointer to
4029         incremental info entry.
4030         (Output_section_incremental_inputs::set_final_data_size): Record
4031         additional information for scripts.
4032         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4033         * incremental.h (Incremental_script_entry::add_object): New function.
4034         (Incremental_script_entry::get_object_count): New function.
4035         (Incremental_script_entry::get_object): New function.
4036         (Incremental_script_entry::objects_): New data member; adjust
4037         constructor.
4038         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4039         (Incremental_inputs::report_object): Add script_info parameter.
4040         (Incremental_inputs_reader::get_object_count): New function.
4041         (Incremental_inputs_reader::get_object_offset): New function.
4042         * options.cc (Input_arguments::add_file): Return reference to
4043         new input argument.
4044         * options.h (Input_argument::set_script_info): New function.
4045         (Input_argument::script_info): New function.
4046         (Input_argument::script_info_): New data member; adjust all
4047         constructors.
4048         (Input_file_group::add_file): Return reference to new input argument.
4049         (Input_file_lib::add_file): Likewise.
4050         (Input_arguments::add_file): Likewise.
4051         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4052         * script.cc (Parser_closure::Parser_closure): Add script_info
4053         parameter; adjust all callers.
4054         (Parser_closure::script_info): New function.
4055         (Parser_closure::script_info_): New data member.
4056         (read_input_script): Report scripts earlier to incremental info.
4057         (script_add_file): Set script_info in Input_argument.
4058         (script_add_library): Likewise.
4059         * script.h (Script_options::Script_info): Rewrite class.
4060
4061 2011-03-29  Cary Coutant  <ccoutant@google.com>
4062
4063         * archive.cc (Library_base::should_include_member): Move
4064         method here from class Archive.
4065         (Archive::Archive): Initialize base class.
4066         (Archive::should_include_member): Move to base class.
4067         (Archive::do_for_all_unused_symbols): New function.
4068         (Add_archive_symbols::run): Remove redundant access to
4069         incremental_inputs.
4070         (Lib_group::Lib_group): Initialize base class.
4071         (Lib_group::do_filename): New function.
4072         (Lib_group::include_member): Pass pointer to Lib_group to
4073         report_object.
4074         (Lib_group::do_for_all_unused_symbols): New function.
4075         (Add_lib_group_symbols::run): Report archive information for
4076         incremental links.
4077         * archive.h (class Library_base): New base class.
4078         (class Archive): Derive from Library_base.
4079         (Archive::filename): Move to base class.
4080         (Archive::set_incremental_info): Likewise.
4081         (Archive::incremental_info): Likewise.
4082         (Archive::Should_include): Likewise.
4083         (Archive::should_include_member): Likewise.
4084         (Archive::Armap_entry): Remove.
4085         (Archive::Unused_symbol_iterator): Remove.
4086         (Archive::unused_symbols_begin): Remove.
4087         (Archive::unused_symbols_end): Remove.
4088         (Archive::do_filename): New function.
4089         (Archive::do_get_mtime): New function.
4090         (Archive::do_for_all_unused_symbols): New function.
4091         (Archive::task_): Move to base class.
4092         (Archive::incremental_info_): Likewise.
4093         (class Lib_group): Derive from Library_base.
4094         (Lib_group::do_filename): New function.
4095         (Lib_group::do_get_mtime): New function.
4096         (Lib_group::do_for_all_unused_symbols): New function.
4097         (Lib_group::task_): Move to base class.
4098         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4099         function.
4100         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4101         function.
4102         * incremental.cc (Incremental_inputs::report_archive_begin):
4103         Use Library_base; call library's get_mtime; add incremental inputs
4104         entry before members.
4105         (class Unused_symbol_visitor): New class.
4106         (Incremental_inputs::report_archive_end): Use Library_base; use
4107         visitor class to record unused symbols; don't add incremental inputs
4108         entry after members.
4109         (Incremental_inputs::report_object): Use Library_base.
4110         * incremental.h
4111         (Incremental_archive_entry::Incremental_archive_entry): Remove
4112         unused Archive parameter.
4113         (Incremental_inputs::report_archive_begin): Use Library_base.
4114         (Incremental_inputs::report_archive_end): Likewise.
4115         (Incremental_inputs::report_object): Likewise.
4116         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4117         function.
4118         * object.h (Object::for_all_global_symbols): New function.
4119         (Object::do_for_all_global_symbols): New function.
4120         (Sized_relobj::do_for_all_global_symbols): New function.
4121         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4122         function.
4123         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4124         function.
4125
4126 2011-03-27  Ian Lance Taylor  <iant@google.com>
4127
4128         * archive.cc (Archive::interpret_header): Return -1 if something
4129         goes wrong.  Change callers accordingly.
4130
4131 2011-03-25  Cary Coutant  <ccoutant@google.com>
4132
4133         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4134         * testsuite/Makefile.in: Regenerate.
4135
4136 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4137
4138         * plugin.cc (get_view): New.
4139         (Plugin::load): Pass get_view to the plugin.
4140         (Plugin_manager::get_view): New.
4141
4142 2011-03-21  Ian Lance Taylor  <iant@google.com>
4143
4144         * testsuite/final_layout.sh: Rewrite to not use dc.
4145         * testsuite/relro_test.sh: Fail if dc is not present.
4146
4147 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4148
4149         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4150         Change == to -eq.
4151         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4152         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4153         Change == to -eq.
4154         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4155         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4156
4157 2011-03-14  Ian Lance Taylor  <iant@google.com>
4158
4159         * script-sections.cc (Sort_output_sections::script_compare):
4160         Rename from is_before, change return type.
4161         (Sort_output_sections::operator()): Adjust accordingly.
4162
4163 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4164
4165         PR gold/12572
4166         * testsuite/odr_violation2.cc: Add comment to make all error line
4167         numbers double digits.
4168         * testsuite/debug_msg.sh: Adjust expected errors.
4169
4170 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4171
4172         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4173         but mark earlier ones as non-canonical
4174         (offset_to_iterator): Update search target and example
4175         (do_addr2line): Return extra lines in a vector*
4176         (format_file_lineno): Extract from do_addr2line
4177         (one_addr2line): Add vector* out-param
4178         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4179         when a lineno entry appeared last for its instruction
4180         (Dwarf_line_info): Add vector* out-param
4181         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4182         * symtab.cc (Odr_violation_compare): Include the lineno in the
4183         comparison again.
4184         (linenos_from_loc): New. Combine the canonical line for an
4185         address with its other lines.
4186         (True_if_intersect): New. Helper functor to make
4187         std::set_intersection a query.
4188         (detect_odr_violations): Compare sets of lines instead of just
4189         one line for each function. This became less deterministic, but
4190         has fewer false positives.
4191         * symtab.h: Declarations.
4192         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4193         mix an optimized and non-optimized object in the same binary
4194         (odr_violation2.so): Same.
4195         * testsuite/Makefile.in: Regenerate from Makefile.am.
4196         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4197         * testsuite/debug_msg.sh: Update line numbers and add
4198         assertions.
4199         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4200         non-optimized context.
4201         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4202         isn't inlined, and use OdrDerived in an optimized context.
4203         * testsuite/odr_header1.h: Defines OdrDerived, where
4204         optimization will change the
4205         first-instruction-in-the-destructor's file and line number.
4206         * testsuite/odr_header2.h: Defines OdrBase.
4207
4208 2011-03-09  Ian Lance Taylor  <iant@google.com>
4209
4210         * fileread.cc (File_read::clear_views): Don't delete the whole
4211         file view.
4212
4213 2011-03-08  Ian Lance Taylor  <iant@google.com>
4214
4215         PR gold/12525
4216         * fileread.cc: #include <climits>.
4217         (GOLD_IOV_MAX): Define.
4218         (File_read::read_multiple): Limit number of entries by iov_max.
4219         * fileread.h (class File_read): Always set max_readv_entries to
4220         128.
4221
4222 2011-03-07  Ian Lance Taylor  <iant@google.com>
4223
4224         PR gold/12525
4225         * options.h (class General_options): Add -dy and -dn.
4226
4227 2011-03-02  Cary Coutant  <ccoutant@google.com>
4228
4229         * testsuite/script_test_9.t: Add TLS segment.
4230
4231 2011-03-02  Simon Baldwin  <simonb@google.com>
4232
4233         * configure.ac: Add check for gnu_indirect_function support in
4234         the toolchain building binutils.
4235         * configure: Rebuild.
4236
4237 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4238
4239         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4240         plugin only symbols.
4241         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4242         in plugin files as not needed in the symbol table.
4243
4244 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4245
4246         * output.cc (Output_section::add_input_section): Delay fill
4247         generation for section ordering.
4248
4249 2011-02-09  Ian Lance Taylor  <iant@google.com>
4250
4251         PR gold/12316
4252         * object.h (class Sized_relobj): Remove clear_local_symbols.
4253         * reloc.cc (Sized_relobj::do_relocate): Don't call
4254         clear_local_symbols.
4255
4256 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4257
4258         * plugin.cc (is_visible_from_outside): Return true for symbols
4259         in the -u option.
4260
4261 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4262
4263         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4264         filename.
4265
4266 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4267
4268         * icf.h (is_section_foldable_candidate): Change type of parameter
4269         to std::string.
4270         * icf.cc (Icf::find_identical_sections): Change type of local variable
4271         section_name to be std::string.
4272         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4273
4274 2011-01-25  Ian Lance Taylor  <iant@google.com>
4275
4276         * script.cc (script_add_extern): Rewrite to use
4277         add_symbol_reference.
4278
4279 2011-01-25  Doug Kwan  <dougkwan@google.com>
4280
4281         * icf.cc (get_section_contents): Always lock section's object.
4282
4283 2011-01-24  Ian Lance Taylor  <iant@google.com>
4284
4285         * options.h (class General_options): Accept
4286         --no-detect-odr-violations.
4287
4288 2011-01-24  Ian Lance Taylor  <iant@google.com>
4289
4290         * version.cc (version_string): Bump to 1.11.
4291
4292 2011-01-24  Ian Lance Taylor  <iant@google.com>
4293
4294         * plugin.cc (class Plugin_rescan): Define new class.
4295         (Plugin_manager::claim_file): Set any_claimed_.
4296         (Plugin_manager::save_archive): New function.
4297         (Plugin_manager::save_input_group): New function.
4298         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4299         necessary.
4300         (Plugin_manager::new_undefined_symbol): New function.
4301         (Plugin_manager::rescan): New function.
4302         (Plugin_manager::rescannable_defines): New function.
4303         (Plugin_manager::add_input_file): Set any_added_.
4304         * plugin.h (class Plugin_manager): define new fields rescannable_,
4305         undefined_symbols_, any_claimed_, and any_added_.  Declare
4306         Plugin_rescan as friend.  Declare new functions.
4307         (Plugin_manager::Rescannable): Define type.
4308         (Plugin_manager::Rescannable_list): Define type.
4309         (Plugin_manager::Undefined_symbol_list): Define type.
4310         (Plugin_manager::Plugin_manager): Initialize new fields.
4311         * archive.cc (Archive::defines_symbol): New function.
4312         (Add_archive_symbols::run): Pass archive to plugins if any.
4313         * archive.h (class Archive): Declare defines_symbol.
4314         * readsyms.cc (Input_group::~Input_group): New function.
4315         (Finish_group::run): Pass input_group to plugins if any.
4316         * readsyms.h (class Input_group): Declare destructor.
4317         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4318         any.
4319
4320 2011-01-10  Ian Lance Taylor  <iant@google.com>
4321
4322         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4323         section as relro.
4324         (Layout::set_segment_offsets): Reset increase_relro before calling
4325         set_section_addresses a second time.
4326
4327 2011-01-04  Cary Coutant  <ccoutant@google.com>
4328
4329         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4330         sections before NOBITS sections.
4331
4332 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4333
4334         * version.cc (print_version): Update copyright to 2011.
4335
4336 2010-12-23  Cary Coutant  <ccoutant@google.com>
4337
4338         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4339         of OS to this->add.  Add OD parameter to second form of the function.
4340
4341 2010-12-20  Ian Lance Taylor  <iant@google.com>
4342
4343         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4344         second of two consecutive entries with same offset.
4345
4346 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4347
4348         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4349         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4350         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4351         to avoid unneeded links against $(LDADD).
4352         * testsuite/Makefile.in: Regenerate.
4353
4354 2010-12-15  Ian Lance Taylor  <iant@google.com>
4355
4356         PR gold/12324
4357         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4358         for R_X86_64_32 and R_X86_64_PC32.
4359         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4360         ver_matching_def_pic.o.
4361         (ver_matching_def_pic.o): New target.
4362
4363 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4364
4365         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4366         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4367         Move definition before File_read::View member definitions.
4368         (File_read::View::~View): Initialize and hold lock before
4369         updating current_mapped_bytes.
4370
4371 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4372
4373         * dwarf_reader.cc: Remove outdated comment.
4374         * gold-threads.cc: Fix typo in error message.
4375         * archive.cc: Fix typos in comments.
4376         * archive.h: Likewise.
4377         * arm-reloc-property.cc: Likewise.
4378         * arm-reloc-property.h: Likewise.
4379         * arm-reloc.def: Likewise.
4380         * arm.cc: Likewise.
4381         * attributes.h: Likewise.
4382         * cref.cc: Likewise.
4383         * ehframe.cc: Likewise.
4384         * fileread.h: Likewise.
4385         * gold.h: Likewise.
4386         * i386.cc: Likewise.
4387         * icf.cc: Likewise.
4388         * incremental.h: Likewise.
4389         * int_encoding.cc: Likewise.
4390         * layout.h: Likewise.
4391         * main.cc: Likewise.
4392         * merge.h: Likewise.
4393         * object.cc: Likewise.
4394         * object.h: Likewise.
4395         * options.cc: Likewise.
4396         * readsyms.cc: Likewise.
4397         * reduced_debug_output.cc: Likewise.
4398         * reloc.cc: Likewise.
4399         * script-sections.cc: Likewise.
4400         * sparc.cc: Likewise.
4401         * symtab.h: Likewise.
4402         * target-reloc.h: Likewise.
4403         * target.cc: Likewise.
4404         * target.h: Likewise.
4405         * timer.cc: Likewise.
4406         * timer.h: Likewise.
4407         * x86_64.cc: Likewise.
4408
4409 2010-12-09  Cary Coutant  <ccoutant@google.com>
4410
4411         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4412         stack.
4413         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4414         parameter; change all callers.
4415         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4416         * options.h (warn_execstack): New option.
4417
4418 2010-12-07  Doug Kwan  <dougkwan@google.com>
4419
4420         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4421         like function call relocations.
4422
4423 2010-12-07  Ian Lance Taylor  <iant@google.com>
4424
4425         * archive.cc (Archive::get_elf_object_for_member): Permit
4426         punconfigured to be NULL.
4427         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4428         (Archive::include_member): Pass NULL to get_elf_object_for_member
4429         if we searched for the archive and this is the first included
4430         object.
4431
4432 2010-12-01  Ian Lance Taylor  <iant@google.com>
4433
4434         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4435         track_relocs_type_ field.
4436         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4437         Set track_relocs_type_.
4438         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4439         contents when using RELA relocs.
4440         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4441         reloc_map_.
4442         * reloc.cc (Track_relocs::next_addend): New function.
4443         * reloc.h (class Track_relocs): Declare next_addend.
4444
4445 2010-12-01  Ian Lance Taylor  <iant@google.com>
4446
4447         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4448         virtual destructor.
4449
4450 2010-12-01  Ian Lance Taylor  <iant@google.com>
4451
4452         * README: Update compilers known to work and fail.
4453
4454 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4455
4456         * configure.in: For --enable-gold, handle value `default' instead of
4457         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4458         not the default.
4459         * configure: Regenerate.
4460
4461 2010-11-18  Doug Kwan  <dougkwan@google.com>
4462
4463         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4464         and right_alignment to be zero.  Store result alignment only if it is
4465         greater than existing alignment.
4466
4467 2010-11-16  Cary Coutant  <ccoutant@google.com>
4468
4469         PR gold/12220
4470         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4471         Check for ".zdebug_line".
4472
4473 2010-11-16  Doug Kwan  <dougkwan@google.com>
4474             Cary Coutant  <ccoutant@google.com>
4475
4476         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4477         by reference; adjust all callers.
4478         * output.cc (Output_segment::set_section_addresses): Adjust references
4479         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4480         list is empty.
4481         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4482         end at page boundary.
4483
4484 2010-11-16  Cary Coutant  <ccoutant@google.com>
4485
4486         PR gold/12220
4487         * layout.cc (Layout::choose_output_section): Transform names of
4488         compressed sections even when using a script with a SECTIONS clause.
4489         (Layout::output_section_name): Remove code to transform
4490         compressed debug section names.
4491         * output.cc (Output_section::add_input_section): Use uncompressed
4492         section size when tracking input sections.
4493
4494 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4495
4496         * symtab.h (Symbol::NON_PIC_REF): Remove.
4497         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4498         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4499         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4500         (Symbol::use_plt_offset): Take a flags argument and pass it
4501         directly to needs_dynamic_reloc.  Restrict check for undefined
4502         weak symbols to function calls.
4503         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4504         (Target_arm::Scan::global): Use it.
4505         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4506         (Target_arm::Relocate::relocate): Likewise.
4507         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4508         parameter with an r_type parameter.  Use get_reference_flags
4509         to get the flags.
4510         (Target_arm::Relocate::relocate): Update accordingly.
4511         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4512         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4513         (Target_i386::Scan::global): Likewise.
4514         (Target_i386::Relocate::relocate): Likewise.
4515         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4516         parameter with an r_type parameter.  Use get_reference_flags
4517         to get the flags.
4518         (Target_i386::Relocate::relocate): Update accordingly.
4519         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4520         (Target_powerpc::Scan::global): Use it.
4521         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4522         (Target_powerpc::Relocate::relocate): Likewise.
4523         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4524         (Target_sparc::Scan::global): Use it.
4525         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4526         (Target_sparc::Relocate::relocate): Likewise.
4527         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4528         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4529         (Target_x86_64::Scan::global): Likewise.
4530         (Target_x86_64::Relocate::relocate): Likewise.
4531
4532 2010-11-08  Doug Kwan  <dougkwan@google.com>
4533             Cary Coutant  <ccoutant@google.com>
4534
4535         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4536         (Arm_exidx_merge_section::section_contents_): New data member.
4537         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4538         (Arm_input_section::~Arm_input_section): De-allocate memory.
4539         (Arm_input_section::original_contents_): New data member.
4540         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4541         in parameters instead of calling Object::section_contents without
4542         locking.
4543         (Arm_output_section::group_section): New parameter TASK.  Pass it
4544         to callees that need locking objects.
4545         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4546         to lock EXIDX input sections.  Fix a formatting issue.  Call
4547         Arm_exidx_merged_section::build_contents to create merged section
4548         contents.
4549         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4550         to lock object of stub table owner.
4551         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4552         TEXT_SIZE to initialize data member TEXT_SIZE_.
4553         (Arm_exidx_input_section::addralign): Fix typo in comment.
4554         (Arm_exidx_input_section::text_size): New method.
4555         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4556         that require locking objects.  Lock objects before scanning for stubs
4557         and updating local symbols.
4558         (Arm_input_section<big_endian>::init): Copy contents of original
4559         input section.
4560         (Arm_input_section<big_endian>::do_write): Use saved contents of
4561         original input section instead of calling Object::section_contents
4562         without locking.
4563         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4564         size without calling Object::section_size().
4565         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4566         for size.  Allocate a buffer for merged EXIDX entries.
4567         (Arm_exidx_merged_section::build_contents): New method.
4568         (Arm_exidx_merged_section::do_write): Move merge section contents
4569         building code to Arm_exidx_merged_section::build_contetns.  Write
4570         out contetns in buffer instead of building it on the fly.
4571         (Arm_relobj::make_exidx_input_section): Also pass text section size
4572         to Arm_exidx_input_section constructor.
4573         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4574         (Arm_dynobj::do_read_symbols): Fix memory leak.
4575         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4576         * target.h: (class Task): Add forward declaration.
4577         (Target::relax): Add new parameter TASK and pass it to
4578         Target::do_relax().
4579         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4580
4581 2010-11-05  Cary Coutant  <ccoutant@google.com>
4582
4583         PR gold/10708
4584         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4585         object when reading from the file.
4586         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4587         second layout pass.
4588         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4589         when reading section contents.
4590         (get_section_contents): Likewise.
4591         (icf::find_identical_sections): Likewise.
4592         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4593         object when reading from the file.
4594         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4595         the object when doing deferred section layout.
4596
4597 2010-11-03  Nick Clifton  <nickc@redhat.com>
4598
4599         PR gold/12001
4600         * script.h (class Symbol_assignment: name): New member.  Returns
4601         the name of the symbol.
4602         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4603         Returns true if the given symbol name is on the list of
4604         assignments wating to be processed.
4605         * archive.cc (should_incldue_member): If the symbol is undefined,
4606         check to see if it is on the list of symbols pending assignment.
4607
4608 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4609
4610         * script-sections.cc (Script_sections::find_memory_region): Check
4611         for a NULL output section pointer.
4612
4613 2010-10-29  Doug Kwan  <dougkwan@google.com>
4614
4615         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4616         Output_section::add_relaxed_input_section.
4617         * output.cc (Output_section::add_relaxed_input_section): Add new
4618         arguments LAYOUT and NAME.  Set section order index.
4619         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4620         Copy section order index.
4621         * output.h (Output_section::add_relaxed_input_section): Add new
4622         arguments LAYOUT and NAME.
4623
4624 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4625
4626         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4627         NATIVE_OR_CROSS_LINKER.
4628         * testsuite/Makefile.in: Regenerate.
4629
4630 2010-10-20  Doug Kwan  <dougkwan@google.com>
4631
4632         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4633         without SHF_LINK_ORDER flags.
4634         * layout.cc (Layout::choose_output_section): Do not filter
4635         SHF_LINK_ORDER flag in a relocatable link.
4636
4637 2010-10-17  Cary Coutant  <ccoutant@google.com>
4638
4639         * output.h (Output_segment::set_section_addresses): Change function
4640         signature.  Update all callers.
4641         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4642         sections.
4643         (Output_segment::set_section_addresses): Align after last TLS
4644         section.  Add padding before last relro section instead of after.
4645
4646 2010-10-17  Doug Kwan  <dougkwan@google.com>
4647
4648         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4649         GOT output section to be writable.
4650
4651 2010-10-14  Cary Coutant  <ccoutant@google.com>
4652
4653         * debug.h (DEBUG_INCREMENTAL): New flag.
4654         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4655         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4656         mode.
4657         * incremental.cc (report_command_line): Ignore all forms of
4658         --incremental.
4659         * layout.cc (Layout::Layout): Check parameters for incremental link
4660         mode.
4661         * options.cc (General_options::parse_incremental): New function.
4662         (General_options::parse_no_incremental): New function.
4663         (General_options::parse_incremental_full): New function.
4664         (General_options::parse_incremental_update): New function.
4665         (General_options::incremental_mode_): New data member.
4666         (General_options::finalize): Check incremental_mode_.
4667         * options.h (General_options): Update help text for --incremental.
4668         Add --no-incremental, --incremental-full, --incremental-update.
4669         (General_options::Incremental_mode): New enum type.
4670         (General_options::incremental_mode): New function.
4671         (General_options::incremental_mode_): New data member.
4672         * parameters.cc (Parameters::incremental_mode_): New data member.
4673         (Parameters::set_options): Set incremental_mode_.
4674         (Parameters::set_incremental_full): New function.
4675         (Parameters::incremental): New function.
4676         (Parameters::incremental_update): New function.
4677         (set_parameters_incremental_full): New function.
4678         * parameters.h (Parameters::set_incremental_full): New function.
4679         (Parameters::incremental): New function.
4680         (Parameters::incremental_update): New function.
4681         (Parameters::incremental_mode_): New data member.
4682         (set_parameters_incremental_full): New function.
4683         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4684         incremental link mode.
4685         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4686         (Sized_relobj::do_relocate_sections): Likewise.
4687         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4688         option.
4689         * testsuite/Makefile.in: Regenerate.
4690         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4691
4692 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4693
4694         * script-sections.h (class Script_sections): Make
4695         Sections_elements typedef public.
4696         * script-sections.cc (class Sort_output_sections): Add elements_
4697         field.  Add constructor which sets it; change all callers.
4698         (Sort_output_sections::is_before): New function.
4699         (Sort_output_sections::operator()): Call is_before.
4700         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4701         conditional.
4702         * testsuite/script_test_10.sh: New test. Test script section
4703         order.
4704         * testsuite/script_test_10.t: Likewise.
4705         * testsuite/script_test_10.s: Likewise.
4706         * testsuite/Makefile.am: Wrap the cross linker tests and the
4707         common tests into NATIVE_OR_CROSS_LINKER.
4708         (check_SCRIPTS): Add script_test_10.sh.
4709         (check_DATA): Add script_test_10.stdout.
4710         (script_test_10.o, script_test_10): New targets.
4711         (script_test_10.stdout): New target.
4712         * configure, testsuite/Makefile.in: Regenerate.
4713
4714 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4715
4716         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4717         error for the deprecated relocations.
4718         (Target_arm::Scan::global): Likewise.
4719         (Target_arm::Relocate::relocate): Likewise.
4720
4721 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4722
4723         * fileread.cc (Input_file::find_file): Initialize *found_name
4724         and *namep when using the fallback search for case 4.
4725
4726 2010-10-11  Cary Coutant  <ccoutant@google.com>
4727
4728         * options.h (class General_options): Redefine -z lazy as an alias for
4729         the negation of -z now.
4730
4731 2010-10-11  Ian Lance Taylor  <iant@google.com>
4732
4733         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4734         binding.
4735
4736 2010-10-06  Nick Clifton  <nickc@redhat.com>
4737
4738         * script-sections.cc(class Memory_region): Remove
4739         current_lma_offset_ field.  Rename current_vma_offset_ to
4740         current_offset_.  Add last_section_ field.
4741         (Memory_region::get_current_vma_address): Rename to
4742         get_current_address.
4743         (Memory_region::get_current_lma_address): Delete.
4744         (Memory_region::increment_vma_offset): Rename to
4745         increment_offset.
4746         (Memory_region::increment_lma_offset): Delete.
4747         (Memory_region::attributes_compatible): New method.  Returns
4748         true if the provided section is compatible with the region.
4749         (Memory_region::get_last_section): New method.  Returns the last
4750         section to use the region.
4751         (Memory_region::set_last_section): New method.  Stores the last
4752         section to use the region.
4753         (Script_sections::block_in_region): New method.  Returns true if
4754         a block of memory is contained within a region.
4755         (Script_sections::find_memory_region): New method.  Locates a
4756         memory region to be used to set a VMA or LMA address.
4757         (Output_section_definition::set_section_addresses): Add code to
4758         check for addresses set by memory regions.
4759         (Output_segment::set_section_addresses): Remove memory region
4760         walking code.
4761         (Script_sections::create_segment): Add a warning if a header
4762         segment is created outside of any region.
4763         * script-sections.h (class Script_sections): Add prototypes for
4764         find_memory_region and block_in_region methods.
4765         * testsuite/memory_test.s: Use .long instead of .word.
4766         * testsuite/memory_test.t: Add some more output sections.
4767         * testsuite/memory_test.sh: Update expected output.
4768
4769 2010-10-02  Doug Kwan  <dougkwan@google.com>
4770
4771         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4772         defintion to symtab.h
4773         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4774         declaration to defintion.
4775
4776 2010-10-01  Nick Clifton  <nickc@redhat.com>
4777
4778         * expression.cc (eval): Replace dummy argument with NULL.
4779         (eval_maybe_dot): Check for a NULL result section pointer.
4780         (Symbol_expression::value): Likewise.
4781         (Dot_expression::value): Likewise.
4782         (BINARY_EXPRESSION): Likewise.
4783         (Max_expression::value): Likewise.
4784         (Min_expression::value): Likewise.
4785         (Absolute_expression::value): Likewise.
4786         (Addr_expression::value_from_output_section): Likewise.
4787         (Loaddddr_expression::value_from_output_section): Likewise.
4788         (Segment_start_expression::value): Likewise.
4789         * script-sections.cc
4790         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4791         argument with NULL.
4792         (Sections_elememt_dot_assignment::set_section_addresses):
4793         Likewise.
4794         (Output_data_expression::do_write_to_buffer): Likewise.
4795         (Output_section_definition::finalize_symbols): Likewise.
4796         (Output_section_definition::set_section_addresses): Likewise.
4797
4798 2010-09-30  Doug Kwan  <dougkwan@google.com>
4799
4800         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4801
4802 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4803
4804         * target.h (Target::can_icf_inline_merge_sections): New virtual
4805         function.
4806         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4807         virtual function.
4808         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4809         virtual function.
4810         * icf.cc (get_section_contents): Inline merge sections only when
4811         target allows it.
4812
4813 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4814
4815         * configure: Regenerate.
4816
4817 2010-09-17  Ian Lance Taylor  <iant@google.com>
4818
4819         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4820         * testsuite/Makefile.am (memory_test.o): New target.
4821         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4822         memory_test.t.
4823         * testsuite/Makefile.in: Rebuild.
4824
4825 2010-09-17  Doug Kwan  <dougkwan@google.com>
4826
4827         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4828         defintion if relocation uses GOT entries of the symbol.
4829         * testsuite/icf_safe_test.sh: Fix test.
4830         * testsuite/icf_safe_so_test.sh: Fix test.
4831
4832 2010-09-16  Cary Coutant  <ccoutant@google.com>
4833
4834         * script_sections.cc (class Memory_region): Remove "NULL" from
4835         vector initializations.
4836
4837 2010-09-15  Cary Coutant  <ccoutant@google.com>
4838
4839         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4840         Resolve forwarding symbols.
4841
4842 2010-09-15  Doug Kwan  <dougkwan@google.com>
4843
4844         * gold/testsuite/script_test_3.t: Add ARM special sections.
4845         * gold/testsuite/script_test_4.t: Same.
4846         * gold/testsuite/script_test_5.t: Same.
4847         * gold/testsuite/script_test_6.t: Same.
4848         * gold/testsuite/script_test_7.t: Same.
4849         * gold/testsuite/script_test_7.t: Same.
4850         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4851
4852 2010-09-14  Cary Coutant  <ccoutant@google.com>
4853
4854         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4855         (Target_x86_64::Relocate::relocate_tls): Replace check for
4856         saw_tls_block_reloc_ with test for executable section.
4857
4858 2010-09-12  Cary Coutant  <ccoutant@google.com>
4859
4860         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4861         position-independent executables to shared libraries need dynamic
4862         relocations.
4863         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4864         position-independent executables.
4865         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4866         * testsuite/Makefile.in: Regenerate.
4867
4868 2010-09-10  Nick Clifton  <nickc@redhat.com>
4869
4870         PR gold/11997
4871         * testsuite/memory_test.t: Discard any sections that are not
4872         needed.
4873
4874 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4875
4876         PR gold/11996
4877         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4878         "This::" to work around a bug in gcc 4.2.
4879
4880         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4881
4882 2010-09-09  Rafael Espindola  <espindola@google.com>
4883
4884         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4885         sections with different PF_X flags in the same segment.
4886         (Layout::find_first_load_seg): Search all segments to find the first
4887         one.
4888         * options.h (rosegment): New.
4889
4890 2010-09-08  Rafael Espindola  <espindola@google.com>
4891
4892         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4893
4894 2010-09-08  Doug Kwan  <dougkwan@google.com>
4895
4896         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4897         (Arm_relobj::do_relocate_sections): Add new parameter for output
4898         file to match the parent.
4899         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4900         of local symbols instead of input values.  Update code to track
4901         changes in gold::relocate_section.
4902         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4903         (Sized_relobj::compute_final_local_value_internal): New methods.
4904         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4905         body into private version of Sized_relobj::compute_final_local_value.
4906         Call the inline method.
4907         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4908         merged symbol value if there is one.
4909         (Symbol_value::has_output_value): New method defintiion.
4910         (Sized_relobj::Compute_final_local_value_status): New enum type.
4911         (Sized_relobj::compute_final_local_value): New methods.
4912         (Sized_relobj::compute_final_local_value_internal): New methods.
4913         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4914         and arm_cortex_a8.sh.
4915         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4916         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4917         New tests.
4918         * Makefile.in: Regenerate.
4919         * testsuite/arm_bl_out_of_range.s: Update test.
4920         * testsuite/thumb_bl_out_of_range.s: Ditto.
4921         * testsuite/thumb_blx_out_of_range.s: Ditto.
4922         * testsuite/arm_branch_out_of_range.sh: New file.
4923         * testsuite/arm_cortex_a8.sh: Ditto.
4924         * testsuite/arm_cortex_a8_b.s: Ditto.
4925         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4926         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4927         * testsuite/arm_cortex_a8_bl.s: Ditto.
4928         * testsuite/arm_cortex_a8_blx.s: Ditto.
4929         * testsuite/arm_cortex_a8_local.s: Ditto.
4930         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4931         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4932
4933 2010-09-08  Rafael Espindola  <espindola@google.com>
4934
4935         * Makefile.am (memory_test.stdout): Run readelf with -W.
4936         * Makefile.in: Regenerate.
4937         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4938         64 bit output.
4939
4940 2010-09-08  Rafael Espindola  <espindola@google.com>
4941
4942         * script-sections.cc (Script_sections::add_memory_region): Convert
4943         field precision to int.
4944         * script.cc (script_set_section_region, script_set_section_region):
4945         Convert field precision to int.
4946
4947 2010-09-08  Rafael Espindola  <espindola@google.com>
4948
4949         * arm.cc (do_finalize_sections): Create the __exidx_start and
4950         __exdix_end symbols even when the section is missing.
4951
4952 2010-09-08  Nick Clifton  <nickc@redhat.com>
4953
4954         * README: Remove claim that MEMORY is not supported.
4955         * expression.cc (script_exp_function_origin)
4956         (script_exp_function_length): Move from here to ...
4957         * script.cc: ... here.
4958         (script_set_section_region, script_add_memory)
4959         (script_parse_memory_attr, script_include_directive): New
4960         functions.
4961         * script-sections.cc
4962         (class Memory_region): New class.
4963         (class Output_section_definition): Add set_memory_region,
4964         set_section_vma, set_section_lma and get_section_name methods.
4965         (class Script_Sections): Add add_memory_region,
4966         find_memory_region, find_memory_region_origin,
4967         find_memory_region_length and set_memory_region methods.
4968         Have set_section_addresses method walk the list of set memory
4969         regions.
4970         Extend the print methos to display memory regions.
4971         * script-sections.h: Add prototypes for new methods.
4972         Add enum for MEMORY region attributes.
4973         * yyscript.y: Add support for parsing MEMORY regions.
4974         * script-c.h: Add prototypes for new functions.
4975         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4976         * testsuite/Makefile.in: Regenerate.
4977         * testsuite/memory_test.sh: New script.
4978         * testsuite/memory_test.s: New assembler source file.
4979         * testsuite/memory_test.t: New linker script.
4980
4981 2010-08-27  Doug Kwan  <dougkwan@google.com>
4982
4983         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4984         reference override an existing dynamic weak reference.
4985         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4986         * testsuite/Makefile.in: Regenerate.
4987         * testsuite/dyn_weak_ref.sh: New file.
4988         * testsuite/dyn_weak_ref_1.c: Ditto.
4989         * testsuite/dyn_weak_ref_2.c: Ditto.
4990
4991 2010-08-27  Ian Lance Taylor  <iant@google.com>
4992
4993         * incremental.h (class Incremental_input_entry): Add virtual
4994         destructor.
4995
4996 2010-08-27  Ian Lance Taylor  <iant@google.com>
4997
4998         * testsuite/start_lib_test_3.c: Mark t3 as used.
4999
5000 2010-08-27  Nick Clifton  <nickc@redhat.com>
5001
5002         * options.cc (version_script): Fix small typo in previous
5003         whitespace tidyup.
5004
5005 2010-08-25  Nick Clifton  <nickc@redhat.com>
5006
5007         * archive.cc: Formatting fixes: Remove whitespace between
5008         typename and following asterisk.  Remove whitespace between
5009         function name and opening parenthesis.
5010         * archive.h: Likewise.
5011         * arm.cc: Likewise.
5012         * attributes.cc: Likewise.
5013         * attributes.h: Likewise.
5014         * common.cc: Likewise.
5015         * copy-relocs.cc: Likewise.
5016         * dirsearch.h: Likewise.
5017         * dynobj.cc: Likewise.
5018         * ehframe.cc: Likewise.
5019         * ehframe.h: Likewise.
5020         * expression.cc: Likewise.
5021         * fileread.cc: Likewise.
5022         * fileread.h: Likewise.
5023         * gc.h: Likewise.
5024         * gold-threads.cc: Likewise.
5025         * gold.cc: Likewise.
5026         * i386.cc: Likewise.
5027         * icf.h: Likewise.
5028         * incremental-dump.cc: Likewise.
5029         * incremental.cc: Likewise.
5030         * layout.cc: Likewise.
5031         * layout.h: Likewise.
5032         * main.cc: Likewise.
5033         * merge.cc: Likewise.
5034         * merge.h: Likewise.
5035         * object.cc: Likewise.
5036         * object.h: Likewise.
5037         * options.cc: Likewise.
5038         * options.h: Likewise.
5039         * output.cc: Likewise.
5040         * output.h: Likewise.
5041         * plugin.cc: Likewise.
5042         * plugin.h: Likewise.
5043         * powerpc.cc: Likewise.
5044         * reloc.cc: Likewise.
5045         * script-c.h: Likewise.
5046         * script-sections.cc: Likewise.
5047         * script.cc: Likewise.
5048         * stringpool.cc: Likewise.
5049         * symtab.cc: Likewise.
5050         * symtab.h: Likewise.
5051         * target.cc: Likewise.
5052         * timer.cc: Likewise.
5053         * timer.h: Likewise.
5054         * version.cc: Likewise.
5055         * x86_64.cc: Likewise.
5056
5057 2010-08-24  Nick Clifton  <nickc@redhat.com>
5058
5059         PR 11899
5060         * layout.cc (segment_precedes): Sort segments by their physical
5061         addresses, if they have been set.
5062
5063 2010-08-23  Cary Coutant  <ccoutant@google.com>
5064
5065         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5066         symbols data.
5067         (Lib_group::include_member): Unlock object after deleting its
5068         symbols data.
5069         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5070         the bug fixed here.
5071
5072 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5073             Cary Coutant  <ccoutant@google.com>
5074
5075         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5076         constructor, and set_blocker.
5077         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5078         readsyms_blocker_.
5079         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5080         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5081         * testsuite/Makefile.am (start_lib_test): New test case.
5082         * testsuite/Makefile.in: Regenerate.
5083         * testsuite/start_lib_test_main.c: New file.
5084         * testsuite/start_lib_test_1.c: New file.
5085         * testsuite/start_lib_test_2.c: New file.
5086         * testsuite/start_lib_test_3.c: New file.
5087
5088 2010-08-19  Ian Lance Taylor  <iant@google.com>
5089
5090         * Makefile.in: Rebuild with automake 1.11.1.
5091         * aclocal.m4: Likewise.
5092         * testsuite/Makefile.in: Likewise.
5093
5094 2010-08-19  Ian Lance Taylor  <iant@google.com>
5095
5096         PR 10893
5097         * i386.cc (class Output_data_plt_i386): Update declarations.
5098         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5099         local_ifuncs_ fields.
5100         (Target_i386::do_plt_section_for_global): New function.
5101         (Target_i386::do_plt_section_for_local): New function.
5102         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5103         parameter; change all callers.  Initialize global_ifuncs_ and
5104         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5105         __rel_iplt_end.
5106         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5107         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5108         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5109         symbols.
5110         (Target_i386::make_plt_section): New function, broken out of
5111         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5112         (Target_i386::make_plt_entry): Call make_plt_section.
5113         (Target_i386::make_local_ifunc_plt_entry): New function.
5114         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5115         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5116         R_386_IRELATIVE to switch.
5117         (Target_i386::Scan::global): Likewise.
5118         (Target_i386::Relocate::relocate): Likewise.
5119         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5120         switch.
5121         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5122         (Target_x86_64::do_plt_section_for_global): New function.
5123         (Target_x86_64::do_plt_section_for_local): New function.
5124         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5125         parameter; change all callers.  If doing a static link define
5126         __rela_iplt_start and __rela_iplt_end.
5127         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5128         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5129         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5130         to point to .plt.
5131         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5132         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5133         switch.
5134         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5135         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5136         R_X86_64_IRELATIVE to switch.
5137         (Target_x86_64::Scan::global): Likewise.
5138         (Target_x86_64::Relocate::relocate): Likewise.
5139         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5140         switch.
5141         * target.h (class Target): Add plt_section_for_global and
5142         plt_section_for_local functions.  Add do_plt_section_for_global
5143         and do_plt_section_for_local virtual functions.
5144         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5145         clarifying comments.
5146         (Symbol::use_plt_offset): Handle IFUNC symbol.
5147         * object.cc (Sized_relobj::Sized_relobj): Initialize
5148         local_plt_offsets_.
5149         (Sized_relobj::local_has_plt_offset): New function.
5150         (Sized_relobj::local_plt_offset): New function.
5151         (Sized_relobj::set_local_plt_offset): New function.
5152         (Sized_relobj::do_count): Handle IFUNC symbol.
5153         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5154         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5155         is_ifunc_symbol functions.
5156         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5157         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5158         local_plt_offsets_ field.
5159         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5160         * output.h (class Output_section_data): Add non-const
5161         output_section function.
5162         (class Output_data_got): Update declarations.
5163         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5164         Add use_plt_offset parameter to global and local constructors.
5165         Change all callers.  Change local_sym_index_ field to 31 bits.
5166         Change GSYM_CODE and CONSTANT_CODE accordingly.
5167         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5168         doing a static link don't set sh_link field.
5169         (Output_data_got::Got_entry::write): Use PLT offset if
5170         appropriate.
5171         (Output_data_got::add_global_plt): New function.
5172         (Output_data_got::add_local_plt): New function.
5173         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5174         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5175         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5176         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5177         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5178         IFUNC conditional.
5179         * testsuite/ifunc-sel.h: New file.
5180         * testsuite/ifuncmain1.c: New file.
5181         * testsuite/ifuncmain1vis.c: New file.
5182         * testsuite/ifuncmod1.c: New file.
5183         * testsuite/ifuncdep2.c: New file.
5184         * testsuite/ifuncmain2.c: New file.
5185         * testsuite/ifuncmain3.c: New file.
5186         * testsuite/ifuncmod3.c: New file.
5187         * testsuite/ifuncmain4.c: New file.
5188         * testsuite/ifuncmain5.c: New file.
5189         * testsuite/ifuncmod5.c: New file.
5190         * testsuite/ifuncmain6pie.c: New file.
5191         * testsuite/ifuncmod6.c: New file.
5192         * testsuite/ifuncmain7.c: New file.
5193         * configure, testsuite/Makefile.in: Rebuild.
5194
5195 2010-08-18  Ian Lance Taylor  <iant@google.com>
5196
5197         * incremental.cc
5198         (Output_section_incremental_inputs::write_input_files): Add cast
5199         to avoid signed/unsigned comparison warning.
5200         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5201
5202 2010-08-12  Cary Coutant  <ccoutant@google.com>
5203
5204         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5205
5206 2010-08-13  Ian Lance Taylor  <iant@google.com>
5207
5208         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5209
5210 2010-08-12  Cary Coutant  <ccoutant@google.com>
5211             Doug Kwan  <dougkwan@google.com>
5212
5213         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5214         defintion overrides non-weak undef, remember that the original undef
5215         is not weak.
5216         * symtab.cc (Symbol_table::sized_write_global): For undef without
5217         an original weak binding, set binding to global in output.
5218         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5219         * testsuite/Makefile.in: Regenerate.
5220         * testsuite/strong_ref_weak_def.sh: New file.
5221         * testsuite/strong_ref_weak_def_1.c: Ditto.
5222         * testsuite/strong_ref_weak_def_2.c: Ditto.
5223
5224 2010-08-12  Cary Coutant  <ccoutant@google.com>
5225
5226         * testsuite/incremental_test.sh: Rewrite.
5227         * testsuite/incremental_test_1.c: Rewrite.
5228         * testsuite/incremental_test_2.c: Rewrite.
5229
5230 2010-08-12  Cary Coutant  <ccoutant@google.com>
5231
5232         * arm.cc (Target_arm::got_size): Add const.
5233         (Target_arm::got_entry_count): New function.
5234         (Target_arm::plt_entry_count): New function.
5235         (Target_arm::first_plt_entry_offset): New function.
5236         (Target_arm::plt_entry_size): New function.
5237         (Output_data_plt_arm::entry_count): New function.
5238         (Output_data_plt_arm::first_plt_entry_offset): New function.
5239         (Output_data_plt_arm::get_plt_entry_size): New function.
5240         * i386.cc (Target_i386::got_size): Add const.
5241         (Target_i386::got_entry_count): New function.
5242         (Target_i386::plt_entry_count): New function.
5243         (Target_i386::first_plt_entry_offset): New function.
5244         (Target_i386::plt_entry_size): New function.
5245         (Output_data_plt_i386::entry_count): New function.
5246         (Output_data_plt_i386::first_plt_entry_offset): New function.
5247         (Output_data_plt_i386::get_plt_entry_size): New function.
5248         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5249         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5250         * incremental.cc: Include target.h.
5251         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5252         parameter.  Adjust all callers.  Find incremental_got_plt section.
5253         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5254         section.
5255         (Output_section_incremental_inputs::set_final_data_size): Calculate
5256         size of incremental_got_plt section.
5257         (Output_section_incremental_inputs::do_write): Write the
5258         incremental_got_plt section.
5259         (Got_plt_view_info): New struct.
5260         (Local_got_offset_visitor): New class.
5261         (Global_got_offset_visitor): New class.
5262         (Global_symbol_visitor_got_plt): New class.
5263         (Output_section_incremental_inputs::write_got_plt): New function.
5264         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5265         Add parameter.  Adjust all callers.
5266         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5267         (Incremental_inputs::got_plt_section): New function.
5268         (Incremental_inputs::got_plt_section_): New data member.
5269         (Incremental_got_plt_reader): New class.
5270         * layout.cc (Layout::create_incremental_info_sections): Add the
5271         incremental_got_plt section.
5272         * object.h (Got_offset_list::get_list): New function.
5273         (Got offset_list::for_all_got_offsets): New function.
5274         (Sized_relobj::local_got_offset_list): New function.
5275         * powerpc.cc (Target_powerpc::got_size): Add const.
5276         (Target_powerpc::got_entry_count): New function.
5277         (Target_powerpc::plt_entry_count): New function.
5278         (Target_powerpc::first_plt_entry_offset): New function.
5279         (Target_powerpc::plt_entry_size): New function.
5280         (Output_data_plt_powerpc::entry_count): New function.
5281         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5282         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5283         * sparc.cc (Target_sparc::got_size): Add const.
5284         (Target_sparc::got_entry_count): New function.
5285         (Target_sparc::plt_entry_count): New function.
5286         (Target_sparc::first_plt_entry_offset): New function.
5287         (Target_sparc::plt_entry_size): New function.
5288         (Output_data_plt_sparc::entry_count): New function.
5289         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5290         (Output_data_plt_sparc::get_plt_entry_size): New function.
5291         * symtab.h (Symbol::got_offset_list): New function.
5292         (Symbol_table::for_all_symbols): New function.
5293         * target.h (Sized_target::got_entry_count): New function.
5294         (Sized_target::plt_entry_count): New function.
5295         (Sized_target::plt_entry_size): New function.
5296         * x86_64.cc (Target_x86_64::got_size): Add const.
5297         (Target_x86_64::got_entry_count): New function.
5298         (Target_x86_64::plt_entry_count): New function.
5299         (Target_x86_64::first_plt_entry_offset): New function.
5300         (Target_x86_64::plt_entry_size): New function.
5301         (Output_data_plt_x86_64::entry_count): New function.
5302         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5303         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5304
5305 2010-08-12  Cary Coutant  <ccoutant@google.com>
5306
5307         * archive.cc: Include incremental.h.
5308         (Archive::Archive): Initialize incremental_info_.
5309         (Archive::include_member): Record archive members in incremental info.
5310         (Add_archive_symbols::run): Record begin and end of an archive in
5311         incremental info.
5312         (Lib_group::include_member): Record objects in incremental info.
5313         * archive.h (Incremental_archive_entry): Forward declaration.
5314         (Archive::set_incremental_info): New member function.
5315         (Archive::incremental_info): New member function.
5316         (Archive::Unused_symbol_iterator): New class.
5317         (Archive::unused_symbols_begin): New member function.
5318         (Archive::unused_symbols_end): New member function.
5319         (Archive::incremental_info_): New data member.
5320         * incremental-dump.cc (find_input_containing_global): New function.
5321         (dump_incremental_inputs): Dump new incremental info sections.
5322         * incremental.cc: Include symtab.h.
5323         (Output_section_incremental_inputs): New class.
5324         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5325         new incremental info sections.
5326         (Sized_incremental_binary::do_check_inputs): Likewise.
5327         (Incremental_inputs::report_archive): Remove.
5328         (Incremental_inputs::report_archive_begin): New function.
5329         (Incremental_inputs::report_archive_end): New function.
5330         (Incremental_inputs::report_object): New function.
5331         (Incremental_inputs::finalize_inputs): Remove.
5332         (Incremental_inputs::report_input_section): New function.
5333         (Incremental_inputs::report_script): Rewrite.
5334         (Incremental_inputs::finalize): Do nothing but finalize string table.
5335         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5336         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5337         (Incremental_inputs::create_data_sections): New function.
5338         (Incremental_inputs::relocs_entsize): New function.
5339         (Output_section_incremental_inputs::set_final_data_size): New function.
5340         (Output_section_incremental_inputs::do_write): New function.
5341         (Output_section_incremental_inputs::write_header): New function.
5342         (Output_section_incremental_inputs::write_input_files): New function.
5343         (Output_section_incremental_inputs::write_info_blocks): New function.
5344         (Output_section_incremental_inputs::write_symtab): New function.
5345         * incremental.h (Incremental_script_entry): Forward declaration.
5346         (Incremental_object_entry): Forward declaration.
5347         (Incremental_archive_entry): Forward declaration.
5348         (Incremental_inputs): Forward declaration.
5349         (Incremental_inputs_header_data): Remove.
5350         (Incremental_inputs_header): Remove.
5351         (Incremental_inputs_header_write): Remove.
5352         (Incremental_inputs_entry_data): Remove.
5353         (Incremental_inputs_entry): Remove.
5354         (Incremental_inputs_entry_write): Remove.
5355         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5356         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5357         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5358         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5359         Likewise.
5360         (Incremental_input_entry): New class.
5361         (Incremental_script_entry): New class.
5362         (Incremental_object_entry): New class.
5363         (Incremental_archive_entry): New class.
5364         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5365         (Incremental_inputs::report_inputs): Remove.
5366         (Incremental_inputs::report_archive): Remove.
5367         (Incremental_inputs::report_archive_begin): New function.
5368         (Incremental_inputs::report_archive_end): New function.
5369         (Incremental_inputs::report_object): Change prototype.
5370         (Incremental_inputs::report_input_section): New function.
5371         (Incremental_inputs::report_script): Change prototype.
5372         (Incremental_inputs::get_reloc_count): New function.
5373         (Incremental_inputs::set_reloc_count): New function.
5374         (Incremental_inputs::create_data_sections): New function.
5375         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5376         (Incremental_inputs::inputs_section): New function.
5377         (Incremental_inputs::symtab_section): New function.
5378         (Incremental_inputs::relocs_section): New function.
5379         (Incremental_inputs::get_stringpool): Add const.
5380         (Incremental_inputs::command_line): Add const.
5381         (Incremental_inputs::inputs): Remove.
5382         (Incremental_inputs::command_line_key): New function.
5383         (Incremental_inputs::input_file_count): New function.
5384         (Incremental_inputs::input_files): New function.
5385         (Incremental_inputs::relocs_entsize): New function.
5386         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5387         (Incremental_inputs::finalize_inputs): Remove.
5388         (Incremental_inputs::Input_info): Remove.
5389         (Incremental_inputs::lock_): Remove.
5390         (Incremental_inputs::inputs_): Change type.
5391         (Incremental_inputs::inputs_map_): Remove.
5392         (Incremental_inputs::current_object_entry_): New data member.
5393         (Incremental_inputs::inputs_section_): New data member.
5394         (Incremental_inputs::symtab_section_): New data member.
5395         (Incremental_inputs::relocs_section_): New data member.
5396         (Incremental_inputs::reloc_count_): New data member.
5397         (Incremental_inputs_reader): New class.
5398         (Incremental_symtab_reader): New class.
5399         (Incremental_relocs_reader): New class.
5400         * layout.cc (Layout::finalize): Move finalization of incremental info
5401         and creation of incremental info sections to follow finalization of
5402         symbol table.  Set offsets for postprocessing sections.
5403         (Layout::create_incremental_info_sections): Call
5404         Incremental_inputs::create_data_sections.  Add incremental symtab
5405         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5406         sections to layout after input sections.
5407         * layout.h (struct Timespec): Forward declaration.
5408         (Layout::incremental_inputs): Add const.
5409         (Layout::create_incremental_info_sections): Add parameter.
5410         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5411         * object.cc: Include incremental.h.
5412         (Relobj::finalize_incremental_relocs): New function.
5413         (Sized_relobj::do_layout): Record input sections in incremental info.
5414         * object.h (Object::output_section): New function.
5415         (Object::output_section_offset): Moved from Relobj.
5416         (Object::get_incremental_reloc_base): New function.
5417         (Object::get_incremental_reloc_count): New function.
5418         (Object::do_output_section): New function.
5419         (Object::do_output_section_offset): Moved from Relobj.
5420         (Object::do_get_incremental_reloc_base): New function.
5421         (Object::do_get_incremental_reloc_count): New function.
5422         (Object::Object): Initialize new data members.
5423         (Relobj::output_section): Renamed do_output_section and moved to
5424         protected.
5425         (Relobj::output_section_offset): Moved to Object.
5426         (Relobj::do_get_incremental_reloc_base): New function.
5427         (Relobj::do_get_incremental_reloc_count): New function.
5428         (Relobj::allocate_incremental_reloc_counts): New function.
5429         (Relobj::count_incremental_reloc): New function.
5430         (Relobj::finalize_incremental_relocs): New function.
5431         (Relobj::next_incremental_reloc_index): New function.
5432         (Relobj::reloc_counts_): New data member.
5433         (Relobj::reloc_bases_): New data member.
5434         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5435         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5436         (Sized_relobj::incremental_relocs_scan): New function.
5437         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5438         (Sized_relobj::incremental_relocs_write): New function.
5439         (Sized_relobj::incremental_relocs_write_reltype): New function.
5440         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5441         incremental link.
5442         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5443         archives and object files elsewhere.
5444         (Add_symbols::run): Report object files here.
5445         (Finish_group::run): Report end of archive at end of group.
5446         * reloc.cc: Include layout.h, incremental.h.
5447         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5448         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5449         (Sized_relobj::incremental_relocs_scan): New function.
5450         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5451         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5452         (Sized_relobj::incremental_relocs_write): New function.
5453         (Sized_relobj::incremental_relocs_write_reltype): New function.
5454         * script.cc (read_input_script): Rewrite test for incremental link.
5455         Change call to Incremental_inputs::report_script.
5456         * symtab.h (Symbol_table::first_global_index): New function.
5457         (Symbol_table::output_count): New function.
5458
5459 2010-08-12  Doug Kwan  <dougkwan@google.com>
5460
5461         * arm.cc (Target_arm::merge_object_attributes): Check command line
5462         options --no-wchar-size-warning and --no-enum-size-warning.
5463         * options.h (General_options): Add ld-compatible options
5464         --no-enum-size-warning and --no-wchar-size-warning.
5465
5466 2010-08-04  Ian Lance Taylor  <iant@google.com>
5467
5468         * x86_64.cc (Target_x86_64::Scan::local): Use
5469         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5470         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5471         (Target_x86_64::Scan::global): Likewise.
5472         (Target_x86_64::Relocate::relocate): Likewise.
5473         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5474         Likewise.
5475
5476 2010-08-03  Cary Coutant  <ccoutant@google.com>
5477
5478         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5479         to reserve space in merged_strings vector. Keep total input size
5480         for stats.
5481         (Output_merge_string::do_print_merge_stats): Print total input size.
5482         * merge.h (Output_merge_string): Add input_size_ field.
5483         * stringpool.cc (Stringpool_template::string_length): Move
5484         implementations out of Stringpool_template class and place in
5485         stringpool.h.
5486         * stringpool.h (string_length): Move out of Stringpool_template.
5487
5488 2010-08-03  Ian Lance Taylor  <iant@google.com>
5489
5490         PR 11712
5491         * layout.cc (relaxation_loop_body): If address of load segment is
5492         set, adjust address to include headers if possible.
5493
5494 2010-08-03  Ian Lance Taylor  <iant@google.com>
5495
5496         * version.cc (version_string): Bump to 1.10.
5497
5498 2010-08-03  Ian Lance Taylor  <iant@google.com>
5499
5500         PR 11805
5501         * layout.h (enum Output_section_order): Define.
5502         (class Layout): Update declarations.
5503         * layout.cc (Layout::get_output_section): Add order parameter.
5504         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5505         is_first_non_relro parameters.  Change all callers.
5506         (Layout::choose_output_section): Likewise.
5507         (Layout::add_output_section_data): Likewise.
5508         (Layout::make_output_section): Likewise.  Set order.
5509         (Layout::default_section_order): New function.
5510         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5511         * output.cc (Output_section::Output_section): Initialize order_.
5512         Don't initialize deleted fields.
5513         (Output_segment::Output_segment): Don't initialize deleted
5514         fields.
5515         (Output_segment::add_output_section_to_load): New function
5516         replacing add_output_section.  Change all callers to call this or
5517         add_output_section_to_nonload.
5518         (Output_segment::add_output_section_to_nonload): New function.
5519         (Output_segment::remove_output_section): Rewrite.
5520         (Output_segment::add_initial_output_data): Likewise.
5521         (Output_segment::has_any_data_sections): Likewise.
5522         (Output_segment::is_first_section_relro): Likewise.
5523         (Output_segment::maximum_alignment): Likewise.
5524         (Output_segment::has_dynamic_reloc): New function replacing
5525         dynamic_reloc_count.  Change all callers.
5526         (Output_segment::has_dynamic_reloc_list): New function replacing
5527         dynamic_reloc_count_list.  Change all callers.
5528         (Output_segment::set_section_addresses): Rewrite.
5529         (Output_segment::set_offset): Rewrite.
5530         (Output_segment::find_first_and_last_list): Remove.
5531         (Output_segment::set_tls_offsets): Rewrite.
5532         (Output_segment::first_section_load_address): Likewise.
5533         (Output_segment::output_section_count): Likewise.
5534         (Output_segment::section_with_lowest_load_address): Likewise.
5535         (Output_segment::write_section_headers): Likewise.
5536         (Output_segment::print_sections_to_map): Likewise.
5537         * output.h (class Output_data): Remove dynamic_reloc_count_
5538         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5539         (Output_data::add_dynamic_reloc): Rewrite.
5540         (Output_data::has_dynamic_reloc): New function.
5541         (Output_data::dynamic_reloc_count): Remove.
5542         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5543         is_last_relro_, is_first_non_relro_, is_interp_,
5544         is_dynamic_linker_section_ fields.  Add order and set_order
5545         functions.  Remove is_relro_local, set_is_relro_local,
5546         is_last_relro, set_is_last_relro, is_first_non_relro,
5547         set_is_first_non_relro functions, is_interp, set_is_interp,
5548         is_dynamic_linker_section, and set_is_dynamic_linker_section
5549         functions.
5550         (class Output_segment): Change Output_data_list from std::list to
5551         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5552         output_bss_ fields.  Update declarations.
5553
5554 2010-08-02  Ian Lance Taylor  <iant@google.com>
5555
5556         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5557         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5558         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5559
5560 2010-08-02  Ian Lance Taylor  <iant@google.com>
5561
5562         PR 11855
5563         * script.cc (Script_options::Script_options): Initialize
5564         symbol_definitions_ and symbol_references_.
5565         (Script_options::add_symbol_assignment): Update
5566         symbol_definitions_ and symbol_references_.
5567         (Script_options::add_symbol_reference): New function.
5568         (script_symbol): New function.
5569         * script.h (class Script_options): Add symbol_definitions_ and
5570         symbol_references_ fields.
5571         (Script_options::referenced_const_iterator): New type.
5572         (Script_options::referenced_begin): New function.
5573         (Script_options::referenced_end): New function.
5574         (Script_options::is_referenced): New function.
5575         (Script_options::any_unreferenced): New function.
5576         * script-c.h (script_symbol): Declare.
5577         * yyscript.y (exp): Call script_symbol.
5578         * symtab.cc: Include "script.h".
5579         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5580         Change all callers.  Check symbols referenced by scripts.
5581         (Symbol_table::add_undefined_symbols_from_command_line): Add
5582         layout parameter.  Change all callers.
5583         (Symbol_table::do_add_undefined_symbols_from_command_line):
5584         Likewise.  Break out loop body.  Check symbols referenced by
5585         scripts.
5586         (Symbol_table::add_undefined_symbol_from_command_line): New
5587         function broken out of
5588         do_add_undefined_symbols_from_command_line.
5589         * symtab.h (class Symbol_table): Update declarations.
5590         * archive.cc: Include "layout.h".
5591         (Archive::should_include_member): Add layout parameter.  Change
5592         all callers.  Check for symbol mentioned in expression.
5593         * archive.h (class Archive): Update declaration.
5594         * object.cc (Sized_relobj::do_should_include_member): Add layout
5595         parameter.
5596         * object.h (Object::should_include_member): Add layout parameter.
5597         Change all callers.
5598         (Object::do_should_include_member): Add layout parameter.
5599         (class Sized_relobj): Update declaration.
5600         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5601         parameter.
5602         * dynobj.h (class Sized_dynobj): Update declaration.
5603         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5604         layout parameter.
5605         * plugin.h (class Sized_pluginobj): Update declaration.
5606
5607 2010-08-02  Ian Lance Taylor  <iant@google.com>
5608
5609         PR 11866
5610         * output.cc (Output_segment::set_offset): Search for the first and
5611         last sections rather than assuming that the list is in order.
5612         (Output_segment::find_first_and_last_list): New function.
5613         * output.h (class Output_segment): Update declarations.
5614         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5615         (relro_strip_test_SOURCES): New variable.
5616         (relro_strip_test_DEPENDENCIES): New variable.
5617         (relro_strip_test_LDFLAGS): New variable.
5618         (relro_strip_test_LDADD): New variable.
5619         (relro_strip_test.so): New target.
5620
5621 2010-08-02  Ian Lance Taylor  <iant@google.com>
5622
5623         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5624         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5625         (Target_i386::got_tlsdesc_section): New function.
5626         (Target_i386::got_section): Create space for GOT entries for
5627         TLSDESC relocations.
5628         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5629         R_386_TLS_GOTDESC.
5630         (Target_i386::Scan::global): Likewise.
5631         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5632         using TLSDESC GOT.
5633         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5634         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5635         (Target_x86_64::got_tlsdesc_section): New function.
5636         (Target_x86_64::got_section): Create space for GOT entries for
5637         TLSDESC relocations.
5638         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5639         R_386_TLS_GOTDESC.
5640         (Target_x86_64::Scan::global): Likewise.
5641         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5642         using TLSDESC GOT.
5643
5644 2010-08-02  Ian Lance Taylor  <iant@google.com>
5645
5646         * testsuite/final_layout.sh: Use dc to convert from hex to
5647         decimal.
5648
5649 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5650
5651         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5652         paramter to the call to gold::gc_process_relocs.
5653         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5654         paramter to the call to gold::gc_process_relocs.
5655         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5656         parameter to the call to gold::gc_process_relocs.
5657         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5658         template parameter to the call to gold::gc_process_relocs.
5659         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5660         paramter to the call to gold::gc_process_relocs.
5661         * gc.h (get_embedded_addend_size): New function.
5662         (gc_process_relocs): Save the size of the reloc for use by ICF.
5663         * icf.cc (get_section_contents): Get the addend from the text section
5664         for SHT_REL relocation sections.
5665         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5666         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5667         * int_encoding.h (read_from_pointer): New overloaded function.
5668         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5669         * testsuite/icf_sht_rel_addend_test.sh: New file.
5670         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5671         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5672
5673 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5674
5675         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5676         * Makefile.in: Regenerate.
5677         * testsuite/Makefile.in: Regenerate.
5678
5679 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5680
5681         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5682         * gold/testsuite/debug_msg.cc: Likewise.
5683         * gold/testsuite/odr_violation1.cc
5684         * gold/testsuite/odr_violation2.cc
5685
5686 2010-07-21  Cary Coutant  <ccoutant@google.com>
5687
5688         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5689         string, and length fields.
5690         (Output_merge_string::Merged_strings_list): New type.
5691         (Output_merge_string::Merged_strings_lists): New typedef.
5692         (Output_merge_string): Replace merged_strings_ with
5693         merged_strings_lists_.
5694         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5695         Merged_strings_list per input object and section.  Don't store pointer
5696         to the string.  Don't store length with each merged string entry.
5697         (Output_merge_string::finalize_merged_data): Loop over list of merged
5698         strings lists.  Recompute length of each merged string.
5699
5700 2010-07-15  Cary Coutant  <ccoutant@google.com>
5701
5702         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5703         here.
5704
5705 2010-07-14  Ian Lance Taylor  <iant@google.com>
5706
5707         * descriptors.cc (Descriptors::open): Report correct name in error
5708         message.
5709
5710 2010-07-13  Doug Kwan  <dougkwan@google.com>
5711
5712         * arm.cc (Arm_input_section::Arm_input_section): For a
5713         SHT_ARM_EXIDX section, always keeps the input sections.
5714         (Arm_input_section::set_exidx_section_link): New method.
5715         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5716         has_errors_ to false.
5717         (Arm_exidx_input_section::has_errors,
5718         Arm_exidx_input_section::set_has_errors): New methods.
5719         (Arm_exidx_input_section::has_errors_): New data member.
5720         (Arm_relobj::get_exidx_shndx_list): New method.
5721         (Arm_output_section::append_text_sections_to_list): Do not skip
5722         section without SHF_EXECINSTR.
5723         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5724         errors.
5725         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5726         section header.  Make error messages more verbose.  Check for
5727         a non-executable section linked to an EXIDX section.
5728         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5729         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5730         check that there is no deferred EXIDX section if we exit early.
5731         Instead of not making an EXIDX section in case of an error, make one
5732         and set the has_errors flag of it.
5733         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5734         in a relocatable link.
5735         (Target_arm::do_relax): Look for the EXIDX output section instead of
5736         assuming that it is called .ARM.exidx.
5737         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5738         section list.  Do not check for SHF_EXECINSTR section flags but
5739         skip any input section with errors.
5740         * output.cc (Output_section::Output_section): Initialize
5741         always_keeps_input_sections_ to false.
5742         (Output_section::add_input_section): Check for
5743         always_keeps_input_sections_.
5744         *  output.h (Output_section::always_keeps_input_sections,
5745         Output_section::set_always_keeps_input_sections): New methods.
5746         (Output_section::always_keeps_input_sections): New data member.
5747
5748 2010-07-13  Rafael Espindola  <espindola@google.com>
5749
5750         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5751         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5752
5753 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5754             Ian Lance Taylor  <iant@google.com>
5755
5756         * output.h (Output_section_lookup_maps::add_merge_section):
5757         Correct check of whether value was inserted.
5758         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5759         (Output_section_lookup_maps::add_relaxed_input_section):
5760         Likewise.
5761         * arm.cc (Target_arm::got_section): Remove used local os.
5762         * i386.cc (Target_i386::got_section): Likewise.
5763         * x86_64.cc (Target_x86_64::got_section): Likewise.
5764         * sparc.cc (Target_sparc::got_section): Likewise.
5765         (Target_sparc::relocate): Remove unused local have_got_offset.
5766         * powerpc.cc (Target_powerpc::relocate): Likewise.
5767
5768 2010-07-13  Ian Lance Taylor  <iant@google.com>
5769
5770         * compressed_output.cc (zlib_decompress): Fix signature in
5771         !HAVE_ZLIB_H case.
5772
5773         * archive.cc (Archive::include_member): Unlock an external member
5774         of a thin archive.  Don't bother to delete an object we know is
5775         NULL.
5776
5777 2010-07-12  Cary Coutant  <ccoutant@google.com>
5778
5779         * compressed_output.cc (zlib_decompress): New function.
5780         (get_uncompressed_size): New function.
5781         (decompress_input_section): New function.
5782         * compressed_output.h (get_uncompressed_size): New function.
5783         (decompress_input_section): New function.
5784         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5785         Handle compressed debug sections.
5786         * layout.cc (is_compressed_debug_section): New function.
5787         (Layout::output_section_name): Map compressed section names to
5788         canonical names.
5789         * layout.h (is_compressed_debug_section): New function.
5790         (is_debug_info_section): Recognize compressed debug sections.
5791         * merge.cc: Include compressed_output.h.
5792         (Output_merge_data::do_add_input_section): Handle compressed
5793         debug sections.
5794         (Output_merge_string::do_add_input_section): Handle compressed
5795         debug sections.
5796         * object.cc: Include compressed_output.h.
5797         (Sized_relobj::Sized_relobj): Initialize new data members.
5798         (build_compressed_section_map): New function.
5799         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5800         * object.h (Object::section_is_compressed): New method.
5801         (Object::do_section_is_compressed): New method.
5802         (Sized_relobj::Compressed_section_map): New type.
5803         (Sized_relobj::do_section_is_compressed): New method.
5804         (Sized_relobj::compressed_sections_): New data member.
5805         * output.cc (Output_section::add_input_section): Handle compressed
5806         debug sections.
5807         * reloc.cc: Include compressed_output.h.
5808         (Sized_relobj::write_sections): Handle compressed debug sections.
5809
5810 2010-07-08  Cary Coutant  <ccoutant@google.com>
5811
5812         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5813         weak when resolving to a dynamic def.
5814         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5815         for weak undef/dynamic def cases. Adjust callers.
5816         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5817         undef_binding_weak_.
5818         (Symbol_table::sized_write_globals): Adjust symbol binding.
5819         (Symbol_table::sized_write_symbol): Add binding parameter.
5820         * symtab.h (Symbol::set_undef_binding): New method.
5821         (Symbol::is_undef_binding_weak): New method.
5822         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5823         (Symbol_table::should_override): Add new parameter.
5824         (Symbol_table::sized_write_symbol): Add new parameter.
5825
5826         * testsuite/weak_undef_file1.cc: Add new test case.
5827         * testsuite/weak_undef_file2.cc: Fix header comment.
5828         * testsuite/weak_undef_test.cc: Add new test case.
5829
5830 2010-06-29  Doug Kwan  <dougkwan@google.com>
5831
5832         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5833         Initialize USE_SYMBOL_.
5834         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5835         definition.
5836         (Arm_reloc_property::uses_symbol_): New data member declaration.
5837         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5838         uses symbol value and symbol is undefined but not weakly undefined.
5839
5840 2010-06-28  Rafael Espindola  <espindola@google.com>
5841
5842         * plugin.cc (Plugin::load): Use dlerror.
5843
5844 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5845
5846         * symtab.cc (detect_odr_violations): When reporting an ODR
5847         violation, report an object where the symbol is defined.
5848
5849 2010-06-25  Doug Kwan  <dougkwan@google.com>
5850
5851         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5852         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5853         definition.
5854         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5855         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5856         target hook to detect function points.
5857         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5858         * icf.h (Icf::check_section_for_function_pointers): Change type of
5859         parameter SECTION_NAME to const reference to std::string.  Use
5860         target hook to determine if section may have unsafe pointers.
5861         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5862         method definition.
5863
5864 2010-06-21  Rafael Espindola  <espindola@google.com>
5865
5866         * fileread.cc (Input_file::find_fie): New
5867         (Input_file::open): Use Input_file::find_fie.
5868         * fileread.h (Input_file::find_fie): New
5869         * plugin.cc (set_extra_library_path): New.
5870         (Plugin::load): Add set_extra_library_path to the transfer vector.
5871         (Plugin_manager::set_extra_library_path): New.
5872         (Plugin_manager::add_input_file): Use the extra search path if set.
5873         (set_extra_library_path(): New.
5874         * plugin.h (Plugin_manager): Add set_extra_library_path and
5875         extra_search_path_.
5876
5877 2010-06-19  Cary Coutant  <ccoutant@google.com>
5878
5879         * layout.cc (gdb_sections): Add .debug_types.
5880         (lines_only_debug_sections): Likewise.
5881
5882 2010-06-18  Rafael Espindola  <espindola@google.com>
5883
5884         * plugin.cc (add_input_file,add_input_library)
5885         (Plugin_manager::add_input_file): Make filename arguments const.
5886         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5887         const.
5888
5889 2010-06-16  Doug Kwan  <dougkwan@google.com>
5890
5891         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5892         .ARM.attributes section if we have not merged any input
5893         attributes sections.
5894
5895 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5896
5897         * arm.cc: Allow combining objects with no EABI version
5898         information.
5899
5900 2010-06-15  Rafael Espindola  <espindola@google.com>
5901
5902         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5903
5904 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5905
5906         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5907         (struct iovec): Correct !HAVE_READV definition.
5908
5909 2010-06-10  Cary Coutant  <ccoutant@google.com>
5910
5911         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5912         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5913         reloc sections.
5914         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5915
5916         PR 11683
5917         * symtab.h (Symbol::is_placeholder): New member function.
5918         * target-reloc.h (relocate_section): Check for placeholder symbols.
5919
5920         * testsuite/Makefile.am (plugin_test_8): New test.
5921         (plugin_test_9): New test.
5922         * testsuite/Makefile.in: Regenerate.
5923
5924 2010-06-09  Nick Clifton  <nickc@redhat.com>
5925
5926         * yyscript.y (input_list_element): Allow strings prefixed with
5927         the '-' character.  Treat these as libraries.
5928         * script.cc (script_add_library): New function.  Adds a library
5929         specified by "-l<name>" found in an input script.
5930         * script-c.h: Add prototype for script_add_library.
5931
5932 2010-06-07  Doug Kwan  <dougkwan@google.com>
5933
5934         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5935         Restrict stub-group size to be within long conditional branch
5936         range when working around cortex-A8 erratum.
5937
5938 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5939
5940         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5941         #ifdef typo.
5942
5943 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5944
5945         PR gold/11658
5946         * output.cc
5947         (Output_section::Input_section_sort_entry::compare_section_ordering):
5948         Change to return non-zero correctly.
5949         (Output_section::Input_section_sort_section_order_index_compare
5950         ::operator()): Change to fix ambiguity in comparisons.
5951
5952 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5953
5954         * gold.h (is_wildcard_string): New function.
5955         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5956         (Layout::layout_eh_frame): Ditto.
5957         (Layout::find_section_order_index): New method.
5958         (Layout::read_layout_from_file): New method.
5959         * layout.h (Layout::find_section_order_index): New method.
5960         (Layout::read_layout_from_file): New method.
5961         (Layout::input_section_position_): New private member.
5962         (Layout::input_section_glob_): New private member.
5963         * main.cc (main): Call read_layout_from_file here.
5964         * options.h (--section-ordering-file): New option.
5965         * output.cc (Output_section::input_section_order_specified_): New
5966         member.
5967         (Output_section::Output_section): Initialize new member.
5968         (Output_section::add_input_section): Add new parameter.
5969         Keep input sections when --section-ordering-file is used.
5970         (Output_section::set_final_data_size): Sort input sections when
5971         section ordering file is specified.
5972         (Output_section::Input_section_sort_entry): Add new parameter.
5973         Check sorting type.
5974         (Output_section::Input_section_sort_entry::compare_section_ordering):
5975         New method.
5976         (Output_section::Input_section_sort_compare::operator()): Change to
5977         consider section_order_index.
5978         (Output_section::Input_section_sort_init_fini_compare::operator()):
5979         Change to consider section_order_index.
5980         (Output_section::Input_section_sort_section_order_index_compare
5981         ::operator()): New method.
5982         (Output_section::sort_attached_input_sections): Change to sort
5983         according to section order when specified.
5984         (Output_section::add_input_section<32, true>): Add new parameter.
5985         (Output_section::add_input_section<64, true>): Add new parameter.
5986         (Output_section::add_input_section<32, false>): Add new parameter.
5987         (Output_section::add_input_section<64, false>): Add new parameter.
5988         * output.h (Output_section::add_input_section): Add new parameter.
5989         (Output_section::input_section_order_specified): New
5990         method.
5991         (Output_section::set_input_section_order_specified): New method.
5992         (Input_section::Input_section): Initialize section_order_index_.
5993         (Input_section::section_order_index): New method.
5994         (Input_section::set_section_order_index): New method.
5995         (Input_section::section_order_index_): New member.
5996         (Input_section::Input_section_sort_section_order_index_compare): New
5997         struct.
5998         (Output_section::input_section_order_specified_): New member.
5999         * script-sections.cc (is_wildcard_string): Delete and move modified
6000         method to gold.h.
6001         (Output_section_element_input::Output_section_element_input): Modify
6002         call to is_wildcard_string.
6003         (Output_section_element_input::Input_section_pattern
6004         ::Input_section_pattern): Ditto.
6005         (Output_section_element_input::Output_section_element_input): Ditto.
6006         * testsuite/Makefile.am (final_layout): New test case.
6007         * testsuite/Makefile.in: Regenerate.
6008         * testsuite/final_layout.cc: New file.
6009         * testsuite/final_layout.sh: New file.
6010
6011 2010-06-01  Rafael Espindola  <espindola@google.com>
6012
6013         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6014
6015 2010-06-01  Rafael Espindola  <espindola@google.com>
6016
6017         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6018         visibility of symbols.
6019
6020 2010-05-27  Doug Kwan  <dougkwan@google.com>
6021
6022         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6023         from start of output section instead of address for a local symbol
6024         in a merged or relaxed section when doing a relocatable link.
6025
6026 2010-05-26  Rafael Espindola  <espindola@google.com>
6027
6028         PR 11604
6029         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6030         adding sections the garbage collector removed.
6031         * gold/testsuite/Makefile.am: Add test.
6032         * gold/testsuite/Makefile.in: Regenerate.
6033         * gold/testsuite/plugin_test_7.sh: New.
6034         * gold/testsuite/plugin_test_7_1.c: New.
6035         * gold/testsuite/plugin_test_7_2.c: New.
6036
6037 2010-05-26  Rafael Espindola  <espindola@google.com>
6038
6039         * script-sections.cc (Output_section_definition::set_section_addresses):
6040         Check for --section-start.
6041
6042 2010-05-26  Doug Kwan  <dougkwan@google.com>
6043
6044         * arm.cc (Arm_scan_relocatable_relocs): New class.
6045         (Target_arm::relocate_special_relocatable): New method.
6046         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6047         (Arm_relocate_functions::thumb_branch_common): Same.
6048         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6049         instead of Default_scan_relocatable_relocs.
6050         * target-reloc.h (relocate_for_relocatable): Let target handle
6051         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6052         * target.h (Sized_target::relocate_special_relocatable): New method.
6053
6054 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6055
6056         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6057
6058 2010-05-23  Doug Kwan  <dougkwan@google.com>
6059
6060         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6061         instead of a cast.
6062         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6063         with a direct branch, not a conditional branch, to a stub.
6064         * merge.cc (Output_merge_base::record_input_section): New method
6065         defintion.
6066         (Output_merge_data::do_add_input_section): Record input section if
6067         keeps-input-sections flag is set.
6068         (Output_merge_string::do_add_input_section): Ditto.
6069         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6070         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6071         INPUT_SECTIONS_.
6072         (Output_merge_base::keeps_input_sections,
6073         Output_merge_base::set_keeps_input_sections,
6074         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6075         method definitions.
6076         (Output_merge_base::Input_sections): New type declaration.
6077         (Output_merge_base::input_sections_begin,
6078         Output_merge_base::input_sections_end,
6079         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6080         (Output_merge_base::bool keeps_input_sections_,
6081         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6082         Output_merge_base::input_sections_): New data members.
6083         (Output_merge_data::do_set_keeps_input_sections): New method
6084         defintion.
6085         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6086         * output.cc (Output_section::Input_section::relobj): Move method
6087         defintion from class declaration to here and handle merge sections.
6088         (Output_section::Input_section::shndx): Ditto.
6089         (Output_section::Output_section): Remove initializations of removed
6090         data members and initialize new data member LOOKUP_MAPS_.
6091         (Output_section::add_input_section): Set keeps-input-sections flag
6092         for a newly created merge output section as appropriate.  Adjust code
6093         to use Output_section_lookup_maps class.
6094         (Output_section::add_relaxed_input_section): Adjst code for lookup
6095         maps code refactoring.
6096         (Output_section::add_merge_input_section): Add a new parameter
6097         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6098         class.  If adding input section to a newly created merge output
6099         section fails, remove the new merge section.
6100         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6101         Adjust code for use of the Output_section_lookup_maps class.
6102         (Output_section::find_merge_section): Ditto.
6103         (Output_section::build_lookup_maps): New method defintion.
6104         (Output_section::find_relaxed_input_section): Adjust code to use
6105         Output_section_lookup_maps class.
6106         (Output_section::get_input_sections): Export merge sections.  Adjust
6107         code to use Output_section_lookup_maps class.
6108         (Output_section:::add_script_input_section): Adjust code to use
6109         Output_section_lookup_maps class.  Update lookup maps for merge
6110         sections also.
6111         (Output_section::discard_states): Use Output_section_lookup_maps.
6112         (Output_section::restore_states): Same.
6113         * output.h (Merge_section_properties): Move class defintion out of
6114         Output_section.
6115         (Output_section_lookup_maps): New class.
6116         (Output_section::Input_section::is_merge_section): New method
6117         defintion.
6118         (Output_section::Input_section::relobj): Move defintion out of class
6119         defintion.  Declare method only.
6120         (Output_section::Input_section::shndx): Ditto.
6121         (Output_section::Input_section::output_merge_base): New method defintion.
6122         (Output_section::Input_section::u2_.pomb): New union field.
6123         (Output_section::Merge_section_by_properties_map,
6124         Output_section::Output_section_data_by_input_section_map,
6125         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6126         Remove types.
6127         (Output_section::add_merge_input_section): Add new parameter
6128         KEEPS_INPUT_SECTIONS.
6129         (Output_section::build_lookup_maps): New method declaration.
6130         (Output_section::merge_section_map_,
6131         Output_section::merge_section_by_properties_map_,
6132         Output_section::relaxed_input_section_map_,
6133         Output_section::is_relaxed_input_section_map_valid_): Remove data
6134         members.
6135         (Output_section::lookup_maps_): New data member.
6136
6137 2010-05-21  Doug Kwan  <dougkwan@google.com>
6138
6139         PR gold/11619
6140         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6141         avoid a compilation error.
6142
6143 2010-05-19  Rafael Espindola  <espindola@google.com>
6144
6145         * script-sections.cc (Output_section_definition::allocate_to_segment):
6146         Update the phdrs_list even when the output section is NULL.
6147         * testsuite/Makefile.am: Add test.
6148         * testsuite/Makefile.in: Regenerate.
6149         * testsuite/script_test_9.cc: New.
6150         * testsuite/script_test_9.sh: New.
6151         * testsuite/script_test_9.t: New.
6152
6153 2010-05-19  Doug Kwan  <dougkwan@google.com>
6154
6155         * arm.cc (Arm_input_section::original_size): New method.
6156         (Arm_input_section::do_addralign): Add a cast.
6157         (Arm_input_section::do_output_offset): Remove static cast.
6158         (Arm_input_section::original_addralign,
6159          Arm_input_section::original_size_): Change type to uint32_t.
6160         (Arm_input_section::init): Add safe casts for section alignment
6161         and size.
6162         (Arm_input_section::set_final_data_size): Do not set address and
6163         offset of stub table.
6164         (Arm_output_section::fix_exidx_coverage): Change use of of
6165         Output_section::Simple_input_section to that of
6166         Output_section::Input_section.
6167         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6168         except for the first pass.
6169         * output.cc (Output_section::get_input_sections): Change type of
6170         input_sections to std::list<Input_section>.
6171         (Output_section::add_script_input_section): Rename from
6172         Output_section::add_simple_input_section.  Change type of SIS
6173         parameter from Simple_input_section to Input_section.
6174         * output.h (Output_section::Simple_input_section): Remove class.
6175         (Output_section::Input_section): Change class visibility to public.
6176         (Output_section::Input_section::addralign): Use stored alignments
6177         for special input sections if set.
6178         (Output_section::Input_section::set_addralign): New method.
6179         (Output_section::get_input_sections): Change parameter type from
6180         list of Simple_input_section to list of Input_section.
6181         (Output_section::add_script_input_section): Rename from
6182         Output_section::add_simple_input_section. Change first parameter's
6183         type from Simple_input_section to Input_section and remove the
6184         second and third parameters.
6185         * script-sections.cc (Input_section::Input_section_list): Change
6186         type to list of Output_section::Input_section/
6187         (Input_section_info::Input_section_info): Change parameter type of
6188         INPUT_SECTION to Output_section::Input_section.
6189         (Input_section_info::input_section): Change return type.
6190         (Input_section_info::input_section_): Change type to
6191         Output_section::Input_section.
6192         (Output_section_element_input::set_section_addresses): Adjust code
6193         to use Output_section::Input_section instead of
6194         Output_section::Simple_input_section.  Adjust code for renaming
6195         of Output_section::add_simple_input_section.
6196         (Orphan_output_section::set_section_addresses): Ditto.
6197
6198 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6199
6200         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6201         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6202
6203 2010-05-18  Rafael Espindola  <espindola@google.com>
6204
6205         * options.cc (General_options::finalize): Handle -nostdlib.
6206         * options.h (nostdlib): New option.
6207         * script.cc (script_add_search_dir): Handle -nostdlib.
6208
6209 2010-05-12  Doug Kwan  <dougkwan@google.com>
6210
6211         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6212         attributes section only if there no attributes section after merging.
6213         (Target_arm::merge_object_attributes): Move value of
6214         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6215         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6216         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6217         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6218         and arm_attr_merge_7.stdout.
6219         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6220         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6221         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6222         arm_attr_merge_7b.o): New rules.
6223         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6224         arm_attr_merge_7
6225         * testsuite/Makefile.in: Regenerate.
6226         * testsuite/arm_attr_merge.sh: New file.
6227         * testsuite/arm_attr_merge_[67][ab].s: Same.
6228
6229 2010-05-05  Nick Clifton  <nickc@redhat.com>
6230
6231         * po/es.po: Updated Spanish translation.
6232
6233 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6234
6235         * Makefile.am (install-exec-local): Properly install gold as
6236         default cross linker.
6237         * Makefile.in: Regenerated.
6238
6239 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6240             Nick Clifton  <nickc@redhat.com>
6241
6242         * configure.ac (install_as_default): Define and set to false
6243         unless --enable-gold or --enable-gold=both/gold has been
6244         specified.
6245         * configure: Regenerate.
6246
6247         * Makefile.am (install-exec-local): Install the executable as
6248         'ld.gold'.  If install_as_default is true then also install it as
6249         'ld'.
6250         * Makefile.in: Regenerated.
6251
6252 2010-04-24  Ian Lance Taylor  <iant@google.com>
6253
6254         * layout.cc (Layout::layout_reloc): In relocatable link don't
6255         combine reloc sections for grouped sections.
6256
6257 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6258
6259         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6260         sections that are not ordinary to icf.
6261         * icf.cc (get_section_contents): Handle relocation pointing to section
6262         with no object or shndx information.
6263         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6264         * testsuite/Makefile.in: Regenerate.
6265         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6266         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6267
6268 2010-04-22  Ian Lance Taylor  <iant@google.com>
6269
6270         * expression.cc (Expression::Expression_eval_info): Add
6271         result_alignment_pointer field.
6272         (Expression::eval_with_dot): Add result_alignment_pointer
6273         parameter.  Change all callers.
6274         (Expression::eval_maybe_dot): Likewise.
6275         (class Binary_expression): Add alignment_pointer parameter to
6276         left_value and right_value.  Change all callers.
6277         (BINARY_EXPRESSION): Set result alignment.
6278         (class Trinary_expression): Add alignment_pointer parameter to
6279         arg2_value and arg3_value.  Change all callers.
6280         (Trinary_cond::value): Set result alignment.
6281         (Max_expression::value, Min_expression::value): Likewise.
6282         (Align_expression::value): Likewise.
6283         * script-sections.cc (class Sections_element): Add dot_alignment
6284         parameter to set_section_addresses virtual function.  Update
6285         instantiations.
6286         (class Output_section_element): Likewise.
6287         (Script_sections::create_segments): Add dot_alignment parameter.
6288         Change all callers.
6289         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6290         (Script_sections::set_phdrs_clause_addresses): Likewise.
6291         * script-sections.h: Update declarations.
6292         * script.h: Update declarations.
6293         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6294         min_p_align.
6295         * testsuite/script_test_3.t: Set large alignment.
6296         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6297         segment has expected alignment.
6298
6299 2010-04-22  Nick Clifton  <nickc@redhat.com>
6300
6301         * po/gold.pot: Updated by the Translation project.
6302         * po/vi.po: Updated Vietnamese translation.
6303
6304 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6305
6306         * testsuite/Makefile.am (check_PROGRAMS): Add
6307         icf_virtual_function_folding_test.
6308         * testsuite/Makefile.in: Regenerated.
6309
6310 2010-04-15  Andrew Haley  <aph@redhat.com>
6311
6312         * options.h (merge_exidx_entries): New option.
6313         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6314         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6315         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6316         (Target_arm::merge_exidx_entries): New function.
6317         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6318         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6319         to Arm_exidx_fixup constructor.
6320         Add new arg, merge_exidx_entries.
6321         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6322         Arm_output_section::fix_exidx_coverage.
6323
6324 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6325
6326         * icf.cc (get_section_contents): Check for preemptible functions.
6327         Ignore addend when appropriate.
6328         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6329         section folded.
6330         (add_from_relobj): Check for section folded.
6331         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6332         * symtab.h (should_add_dynsym_entry): Add new parameter.
6333         * target-reloc.h (scan_relocs): Check for section folded.
6334         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6335         Check reloc types for function pointers in shared objects.
6336         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6337         case.
6338         (icf_preemptible_functions_test): New test case.
6339         (icf_string_merge_test): New test case.
6340         * testsuite.Makefile.in: Regenerate.
6341         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6342         bar_glob.  Refactor code.
6343         * testsuite/icf_preemptible_functions_test.cc: New file.
6344         * testsuite/icf_preemptible_functions_test.sh: New file.
6345         * testsuite/icf_string_merge_test.cc: New file.
6346         * testsuite/icf_string_merge_test.sh: New file.
6347         * testsuite/icf_virtual_function_folding_test.cc: New file.
6348         * testsuite/icf_virtual_function_folding_test.sh: New file.
6349
6350 2010-04-14  Doug Kwan  <dougkwan@google.com>
6351
6352         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6353         for local symbol recounting if we remove a section due to ICF.
6354         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6355         there are no regular objects in input.
6356
6357 2010-04-13  Doug Kwan  <dougkwan@google.com>
6358
6359         * arm.cc (Arm_input_section::set_final_data_size): Compute
6360         accurate final data size instead of using current data size.
6361
6362 2010-04-09  Doug Kwan  <dougkwan@google.com>
6363
6364         * layout.cc (Layout::choose_output_section): Handle script section
6365         types.
6366         (Layout::make_output_section_for_script): Add section type parameter.
6367         Handle script section types.
6368         * layout.h (Layout::make_output_section_for_script): Add section
6369         type parameter.
6370         * output.cc (Output_section::Output_section): Initialize data member
6371         is_noload_.
6372         (Output_section::do_reset_address_and_file_offset): Do not set address
6373         to 0 if section is a NOLOAD section.
6374         * output.h (Output_section::is_noload): New method.
6375         (Output_section::set_is_noload): Ditto.
6376         (Output_section::is_noload_): New data member.
6377         * script-c.h (Script_section_type): New enum type.
6378         (struct Parser_output_section_header): Add new file section_type.
6379         * script-sections.cc (Sections_element::output_section_name): Add
6380         parameter for returning script section type.
6381         (Output_section_definition::output_section_name): Ditto.
6382         (Output_section_definition::section_type)P; New method.
6383         (Output_section_definiton::script_section_type_name): Ditto.
6384         (Output_section_definition::script_section_type_): New data member.
6385         (Output_section_definition::Output_section_definition): Initialize
6386         data member Output_section_definition::script_section_type_.
6387         (Output_section_definition::create_sections): Pass script section type
6388         to Layout::make_output_section_for_script.
6389         (Output_section_definition::output_section_name): Return script
6390         section type to caller.
6391         (Output_section_definition::set_section_address): Do not advance
6392         dot value and load address if section type is NOLOAD.  Set address
6393         of NOLOAD sections regardless of section flags.
6394         (Output_section_definition::print): Print section type if it is
6395         not SCRIPT_SECTION_TYPE_NONE.
6396         (Output_section_definition::section_type): New method.
6397         (Output_section_definition::script_section_type_name): Ditto.
6398         (Script_sections::output_section_name): Add new parameter
6399         PSECTION_TYPE for returning script section type.  Pass it to
6400         section elements.  Handle discard sections.
6401         (Sort_output_sections::operator()): Handle NOLOAD sections.
6402         * script-sections.h (Script_sections::Section_type): New enum type.
6403         (Script_sections::output_section_name): Add a new parameter for
6404         returning script section type.
6405         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6406         INFO and NOLOAD.
6407         * yyscript.y (union): Add new field SECTION_TYPE.
6408         (COPY, DSECT, INFO, NOLOAD): New tokens.
6409         (opt_address_and_section_type): Change type to output_section_header.
6410         (section_type): New non-terminal
6411         (section_header): Handle section type.
6412         (opt_address_and_section_type): Return section type value.
6413
6414 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6415
6416         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6417         * testsuite/plugin_common_test_2.c (foo): Likewise.
6418
6419 2010-04-08  Doug Kwan  <dougkwan@google.com>
6420
6421         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6422         Output_merge_data.
6423         * output.cc (Output_section::add_merge_input_section): Simplify
6424         code and return status of Output_merge_base::add_input_section.
6425         Update merge section map only if Output_merge_base::add_input_section
6426         returns true.
6427
6428 2010-04-07  Doug Kwan  <dougkwan@google.com>
6429
6430         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6431         if section is marked as containing instructions but has no mapping
6432         symbols.
6433         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6434         correct section index.
6435         (Arm_relobj::find_linked_text_section): Ditto.
6436
6437 2010-04-07  Cary Coutant  <ccoutant@google.com>
6438
6439         * archive.cc (include_member): Destroy Read_symbols_data object before
6440         releasing file.
6441         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6442         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6443         (Read_symbols_data::~Read_symbols_data) New destructor.
6444         (Section_relocs::Section_relocs) New constructor.
6445         (Section_relocs::~Section_relocs) New destructor.
6446         (Read_relocs_data::Read_relocs_data) New constructor.
6447         (Read_relocs_data::~Read_relocs_data) New destructor.
6448         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6449         pointers to NULL after deleting.
6450
6451 2010-04-07  Doug Kwan  <dougkwan@google.com>
6452
6453         * arm.cc: Replace "endianity" with "endianness" in comments.
6454         (Arm_exidx_cantunwind): Ditto.
6455         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6456         (Arm_relobj::merge_flags_and_attributes): New method.
6457         (Arm_relobj::merge_flags_and_attributes_): New data member.
6458         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6459         (Arm_relobj::scan_sections_for_stubs): Ditto.
6460         (Arm_relobj::do_read_symbols): Check to see if we really want to
6461         merge processor-specific flags and attributes.  Exit early if
6462         an object is empty except for section names and the undefined symbol.
6463         (Target_arm::do_finalize_sections): Move check for ELF format to
6464         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6465         attributes from a regular object only when we have determined that
6466         it is aapropriate.  Do not create an .ARM.attributes section in
6467         output if there is no regular input object.
6468         (Target_arm::merge_processor_specific_flags): Check
6469         --warn-mismatch before printing any error.
6470         (Target_arm::merge_object_attributes): Ditto.
6471         * gold.cc (queue_middle_tasks): Handle the case in which there is
6472         no regular object in input.
6473         * options.cc (General_options::parse_EB): New method.
6474         (General_options::parse_EL): Same.
6475         (General_options::General_options): Initialize endianness_.
6476         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6477         New options.
6478         (General_options::Endianness): New enum.
6479         (General_options::endianness): New method.
6480         (General_options::endianness_): New data member.
6481         * parameters.cc (Parameters::set_options): Check target endianness.
6482         (Parameters::set_target_once): Ditto.
6483         (Parameters::check_target_endianness): New method.
6484         (parameters_force_valid_target): If either -EL or -EB is specified,
6485         use it to define endianness of default target.
6486         * parameters.h (Parameters::check_target_endianness): New method
6487         declaration.
6488         * target.h (class Target): Change "endianity" to "endianness"
6489         in comments.
6490
6491 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6492
6493         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6494         * configure: Regenerate.
6495         * Makefile.in: Regenerate.
6496         * testsuite/Makefile.in: Regenerate.
6497
6498 2010-04-06  Cary Coutant  <ccoutant@google.com>
6499
6500         gcc PR lto/42757
6501         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6502         prevailing definitions of common symbols.
6503         * testsuite/plugin_test_6.sh: New test case.
6504         * testsuite/plugin_common_test_1.c: New test case.
6505         * testsuite/plugin_common_test_2.c: New test case.
6506         * testsuite/Makefile.am (plugin_test_6): New test case.
6507         * testsuite/Makefile.in: Regenerate.
6508
6509 2010-04-06  Nick Clifton  <nickc@redhat.com>
6510
6511         * po/vi.po: New Vietnamese translation.
6512
6513 2010-03-30  Doug Kwan  <dougkwan@google.com>
6514
6515         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6516
6517 2010-03-25  Doug Kwan  <dougkwan@google.com>
6518
6519         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6520         to avoid a conversion warning on a 32-bit host.
6521
6522 2010-03-24  Ian Lance Taylor  <iant@google.com>
6523
6524         * testsuite/script_test_3.t: Add a TLS segment.
6525         * testsuite/Makefile.am (check_PROGRAMS): Add
6526         tls_phdrs_script_test.
6527         (tls_phdrs_script_test_SOURCES): Define.
6528         (tls_phdrs_script_test_DEPENDENCIES): Define.
6529         (tls_phdrs_script_test_LDFLAGS): Define.
6530         (tls_phdrs_script_test_LDADD): Define.
6531         * testsuite/Makefile.in: Rebuild.
6532
6533 2010-03-23  Cary Coutant  <ccoutant@google.com>
6534
6535         * fileread.cc (find_or_make_view): Fix comment.
6536
6537 2010-03-23  Ian Lance Taylor  <iant@google.com>
6538
6539         * script-sections.cc (class Orphan_section_placement): Define
6540         PLACE_TLS and PLACE_TLS_BSS.
6541         (Orphan_section_placement::Orphan_section_placement): Initialize
6542         new places.
6543         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6544         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6545         (tls_script_test_SOURCES): Define.
6546         (tls_script_test_DEPENDENCIES): Define.
6547         (tls_script_test_LDFLAGS): Define.
6548         (tls_script_test_LDADD): Define.
6549         * testsuite/Makefile.in: Rebuild.
6550
6551 2010-03-22  Doug Kwan  <dougkwan@google.com>
6552
6553         * arm.cc (Arm_relocate_functions::abs8,
6554         Arm_relocate_functions::abs16): Use correct check for overflow
6555         specified in the ARM ELF specs.
6556         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6557         target of a BLX instruction specially.
6558         (Reloc_stub::stub_type_for_reloc): Ditto.
6559         (Relocate::relocate): Use symbolic names instead of numeric relocation
6560         codes to report error.
6561         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6562         workaround.
6563         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6564         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6565         thumb2_blx_out_of_range.stdout
6566         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6567         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6568         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6569         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6570         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6571         thumb2_blx_in_range, thumb2_blx_in_range.o,
6572         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6573         thumb2_blx_out_of_range.o): New rules.
6574         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6575         thumb2_blx_in_range and thumb2_blx_out_of_range.
6576         * testsuite/Makefile.in: Regenerate.
6577         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6578         * testsuite/thumb_blx_in_range.s: New file.
6579         * testsuite/thumb_blx_out_of_range.s: New file.
6580
6581 2010-03-22  Rafael Espindola  <espindola@google.com>
6582
6583         * archive.cc (Should_include): Move to archive.h.
6584         (should_include_member): Make it a member of Archive.
6585         (Lib_group): New.
6586         (Add_lib_group_symbols): New.
6587         * archive.h: Include options.h.
6588         (Archive_member): Moved from Archive.
6589         (Should_include): Moved from archive.cc.
6590         (Lib_group): New.
6591         (Add_lib_group_symbols): New.
6592         * dynobj.cc (do_should_include_member): New.
6593         * dynobj.h (do_should_include_member): New.
6594         * gold.cc (queue_initial_tasks): Update call to queue.
6595         * main.cc (main): Print lib group stats.
6596         * object.cc (do_should_include_member): New.
6597         * object.h: Include archive.h.
6598         (Object::should_include_member): New.
6599         (Object::do_should_include_member): New.
6600         (Sized_relobj::do_should_include_member): New.
6601         * options.cc (General_options::parse_start_lib): New.
6602         (General_options::parse_end_lib): New.
6603         (Input_arguments::add_file): Handle lib groups.
6604         (Input_arguments::start_group): Check we are not in a lib.
6605         (Input_arguments::start_lib): New.
6606         (Input_arguments::end_lib): New.
6607         * options.h (General_options): Add start_lib and end_lib.
6608         (Input_argument::lib_): New.
6609         (Input_argument::lib): New.
6610         (Input_argument::is_lib): New.
6611         (Input_file_lib): New.
6612         (Input_arguments::in_lib_): New.
6613         (Input_arguments::in_lib): New.
6614         (Input_arguments::start_lib): New.
6615         (Input_arguments::end_lib_): New.
6616         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6617         in unused members as preempted.
6618         (Sized_pluginobj::do_should_include_member): New.
6619         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6620         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6621         return the blocker.
6622         (Read_symbols::do_whole_lib_group): New.
6623         (Read_symbols::do_lib_group): New.
6624         (Read_symbols::do_read_symbols): Handle lib groups.
6625         (Read_symbols::get_name): Handle lib groups.
6626         * readsyms.h (Read_symbols): Add an archive member pointer.
6627         (Read_symbols::do_whole_lib_group): New.
6628         (Read_symbols::do_lib_group): New.
6629         (Read_symbols::member_): New.
6630         * script.cc (read_input_script): Update call to queue_soon.
6631
6632 2010-03-19  Doug Kwan  <dougkwan@google.com>
6633
6634         * arm.cc (Stub_table::Stub_table): Initialize new data members
6635         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6636         (Stub_table::add_reloc_stub): Assign stub offset and update
6637         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6638         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6639         New data members.
6640         (Stub_table::update_data_size_and_addralign): Use
6641         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6642         instead of going over all reloc stubs.
6643         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6644         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6645         Stringpool_template::offset_ to size of Stringpool_char.
6646         (Stringpool_template::new_key_offset): Remove code to initialize
6647         Stringpool_template::offset_.
6648         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6649         Stringpool_template::offset_ to zero.
6650
6651 2010-03-15  Doug Kwan  <dougkwan@google.com>
6652
6653         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6654         offset_.
6655         (Stringpool_template::new_key_offset): New method.
6656         (Stringpool_template::add_string): Assign offsets when adding new
6657         strings.
6658         (Stringpool_template::set_string_offsets): Do not set string offsets
6659         when not optimizing.
6660         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6661         member size_.
6662         (Chunked_vector::clear): Clear size_.
6663         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6664         (Chunked_vector::size): Return size_.
6665         (Chunked_vector::push_back): Use size_ to find insert position.
6666         (Chunked_vector::size_): New data member.
6667         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6668         (Stringpool_template::new_key_offset): New method declaration.
6669         (Stringpool_template::offset_): New data member.
6670
6671 2010-03-15   Rafael Espindola  <espindola@google.com>
6672
6673         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6674         Add_symbols' constructor.
6675         * readsyms.h (Add_symbols): Remove the input_group member.
6676
6677 2010-03-10  Ian Lance Taylor  <iant@google.com>
6678
6679         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6680         target to ask whether a reference to a symbol requires a stack
6681         split.
6682         * target.h (Target::is_call_to_non_split): New function.
6683         (Target::do_is_call_to_non_split): Declare virtual function.
6684         * target.cc: Include "symtab.h".
6685         (Target::do_is_call_to_non_split): New function.
6686         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6687
6688 2010-03-10  Cary Coutant  <ccoutant@google.com>
6689
6690         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6691         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6692         (File_read::open[2]): Add whole_file_view_ to list of views.
6693         (File_read::make_view): Remove test of whole_file_view_.
6694         (File_read::find_or_make_view): Create whole_file_view_ if
6695         necessary.
6696         (File_read::clear_views): Replace bool parameter with enum;
6697         adjust all callers.  Don't delete views with permanent data;
6698         do delete cached views and views from archives if
6699         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6700         if clearing the corresponding view.
6701         * fileread.h (File_read::Clear_views_mode): New enum.
6702         (File_read::View::is_permanent_view): New method.
6703         (File_read::clear_views): Replace bool parameter
6704         with enum; adjust all callers.
6705         * options.h (General_options): Change keep_files_mapped option;
6706         add map_whole_files.
6707         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6708         releasing the file.
6709         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6710         the file.
6711
6712 2010-03-10  David S. Miller  <davem@davemloft.net>
6713
6714         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6715
6716 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6717
6718         * icf.cc (get_section_contents): Add '@' marker after processing the
6719         merge reloc.
6720
6721 2010-03-08  Doug Kwan  <dougkwan@google.com>
6722
6723         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6724         due to a conversion warning.
6725         (Arm_relobj::update_output_local_symbol_count): Check for local
6726         symbol with unset output index.
6727
6728 2010-03-05  Ian Lance Taylor  <iant@google.com>
6729
6730         * options.h (class General_options): Add --spare-dynamic-tags.
6731         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6732         --spare-dynamic-tags.
6733
6734 2010-03-05  Ian Lance Taylor  <iant@google.com>
6735
6736         * incremental.cc: Include "libiberty.h".
6737
6738 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6739
6740         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6741         function, is_info_ member.
6742         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6743         (Versions::Versions): Update caller.
6744         (Versions::define_base_version): Likewise.
6745         (Versions::add_def): Likewise.
6746
6747 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6748
6749         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6750         (Scan::possible_function_pointer_reloc): New function.
6751         (Scan::local_reloc_may_be_function_pointer): Change to call
6752         possible_function_pointer_reloc.
6753         (Scan::global_reloc_may_be_function_pointer): Ditto.
6754         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6755         relocations in ".data.rel.ro._ZTV" section.
6756         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6757         * testsuite/icf_safe_so_test.cc: Ditto.
6758         * testsuite/icf_safe_test.cc: Ditto.
6759         * testsuite/icf_safe_test.sh: Ditto.
6760
6761 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6762             Ian Lance Taylor  <iant@google.com>
6763
6764         * target-reloc.h (relocate_section): Check the symbol table index
6765         for -1U before setting the local symbol index.
6766         (scan_relocatable_relocs): If copying the relocation, record that
6767         the local symbol is required.
6768         * object.h (Symbol_value::is_output_symtab_index_set): New
6769         function.
6770         (Symbol_value::may_be_discarded_from_output_symtab): New
6771         function.
6772         (Symbol_value::has_output_symtab_entry): New function.
6773         (Symbol_value::needs_output_symtab_entry): Remove.
6774         (Symbol_value::output_symtab_index): Make sure the symbol index is
6775         set.
6776         (Symbol_value::set_output_symtab_index): Make sure the symbol
6777         index is not set.  Make sure the new index is valid.
6778         (Symbol_value::set_must_have_output_symtab_entry): New function.
6779         (Symbol_value::has_output_dynsym_entry): New function.
6780         (Symbol_value::set_output_dynsym_index): Make sure the new index
6781         is valid.
6782         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6783         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6784         local symbol if permitted.
6785         (Sized_relobj::do_finalize_local_symbols): Call
6786         is_output_symtab_index_set rather than needs_output_symtab_entry.
6787         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6788         rather than needs_output_symtab_entry.  Call
6789         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6790         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6791         is_output_symtab_index_set rather than needs_output_symtab_entry.
6792         * testsuite/discard_locals_relocatable_test.c: New file.
6793         * testsuite/discard_locals_test.sh: Test -r.
6794         * testsuite/Makefile.am (check_DATA): Add
6795         discard_locals_relocatable_test1.syms,
6796         discard_local_relocatable_test2.syms.
6797         (MOSTLYCLEANFILES): Likewise.  Also add
6798         discard_locals_relocatable_test1.lout and
6799         discard_locals_relocatable_test2.out.
6800         (discard_locals_relocatable_test1.syms): New target.
6801         (discard_locals_relocatable_test.o): New target.
6802         (discard_locals_relocatable_test1.out): New target.
6803         (discard_locals_relocatable_test2.syms): New target.
6804         (discard_locals_relocatable_test2.out): New target.
6805         (various): Add missing ../ld-new dependencies.
6806         * testsuite/Makefile.in: Rebuild.
6807
6808 2010-03-03  Nick Clifton  <nickc@redhat.com>
6809
6810         * po/fi.po: New Finnish translation.
6811
6812 2010-03-01  Doug Kwan  <dougkwan@google.com>
6813
6814         * layout.cc (Layout::Layout): Force section types of .init_array*,
6815         .preinit_array* and .fini_array* sections.
6816         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6817         Fix check of return value of std::string::find.().
6818         (Output_section::Input_section_sort_compare::operator()): Remove
6819         comment about .init_array.
6820         (Output_section::Input_section_sort_init_fini_compare::operator()):
6821         New method.
6822         (Output_section::sort_attached_input_sections): Handle .init_array
6823         and .fini_array specially.
6824         * output.h (Output_section::Inut_section_sort_compare): Update
6825         comment.
6826         (Output_section::Input_section_sort_init_fini_compare): New struct.
6827
6828 2010-02-26  Doug Kwan  <dougkwan@google.com>
6829
6830         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6831         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6832         * testsuite/debug_msg.sh: Avoid matching source line number for
6833         use of global variable undef_int.
6834
6835 2010-02-26  Doug Kwan  <dougkwan@google.com>
6836
6837         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6838         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6839         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6840         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6841         * options.cc (General_options::General_options): Initialize member
6842         fix_v4bx_.
6843         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6844         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6845         and rm_no_fix_v4bx.stdout
6846         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6847         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6848         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6849         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6850         and arm_no_fix_v4bx.
6851         * Makefile.in: Regenerate.
6852         * testsuite/arm_fix_v4bx.s: New file.
6853         * testsuite/arm_fix_v4bx.sh: Ditto.
6854
6855 2010-02-24  Doug Kwan  <dougkwan@google.com>
6856
6857         * arm.cc (Target_arm::got_section): Make the .got section the first
6858         non RELRO section in the data segment.
6859         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6860         suffixes of section names.
6861
6862 2010-02-24  Doug Kwan  <dougkwan@google.com>
6863
6864         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6865         flags and attributes merging if an input file is a binary file.
6866         * fileread.cc (Input_file::open): Record format of original file.
6867         * fileread.h (Input_file::Format): New enum type.
6868         (Input_file::Input_file): Initialize data member format_.
6869         (Input_file::format): New method definition.
6870         (Input_file::format_):: New data member.
6871
6872 2010-02-24  Doug Kwan  <dougkwan@google.com>
6873
6874         * arm.cc (Arm_output_data_got): New class.
6875         (ARM_TCB_SIZE): New constant
6876         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6877         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6878         If user uses a script with a SECTIONS clause, issue only a warning
6879         for a misplaced EXIDX input section.  Otherwise, issue an error.
6880         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6881         garbage collection.
6882         (Target_arm::got_mode_index_entry): Handle static linking.
6883         (Target_arm::Scan::local): Ditto.
6884         (Target_arm::Scan::global): Ditto.
6885         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6886         all incorrectly implemented relocations.
6887         (Target_arm::fix_exidx_coverage): Pass layout to
6888         Arm_output_section::fix_exidx_coverage.
6889         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6890         from ".ARM.exidx." and ".ARM.extab.".
6891
6892 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6893
6894         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6895         section if it does not already exist.
6896         * attributes.cc (Attributes_section_data::Attributes_section_data):
6897         Don't crash if size is zero.
6898
6899 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6900             Ian Lance Taylor  <iant@google.com>
6901
6902         * gold.cc (queue_middle_tasks): If no input files were opened,
6903         exit.
6904         * workqueue.h (Task_function::Task_function): Assert that there is
6905         a blocker.
6906
6907 2010-02-22  Doug Kwan  <dougkwan@google.com>
6908
6909         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6910         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6911         types to avoid warnings due to different uint64_t implementations
6912         on different hosts.
6913
6914 2010-02-21  Doug Kwan  <dougkwan@google.com>
6915
6916         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6917         handling of the maximum backward branch offset.
6918         (Arm_relocate_functions::thumb_branch_common): Ditto.
6919         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6920         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6921         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6922         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6923         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6924         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6925         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6926         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6927         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6928         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6929         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6930         thumb2_bl_out_of_range.o): New rules.
6931         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6932         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6933         thumb2_bl_out_of_range
6934         * testsuite/Makefile.in: Regenerate.
6935         * testsuite/arm_bl_in_range.s: New file.
6936         * testsuite/arm_bl_out_of_range.s: Ditto.
6937         * testsuite/arm_branch_in_range.sh: Ditto.
6938         * testsuite/arm_branch_range.t: Ditto.
6939         * testsuite/thumb2_branch_range.t: Ditto.
6940         * testsuite/thumb_bl_in_range.s: Ditto.
6941         * testsuite/thumb_bl_out_of_range.s: Ditto.
6942         * testsuite/thumb_branch_range.t: Ditto.
6943
6944 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6945
6946         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6947         Add reloc offset information.
6948         * icf.cc (get_section_contents): Change iterators to point to the new
6949         vectors. Add reloc offset information to the contents.
6950         * icf.h (Icf::Sections_reachable_info): New typedef.
6951         (Icf::Sections_reachable_list): New typedef.
6952         (Icf::Offset_info): New typedef.
6953         (Icf::Reloc_info): New struct typedef.
6954         (Icf::Reloc_info_list): New typedef.
6955         (Icf::symbol_reloc_list): Delete method.
6956         (Icf::addend_reloc_list): Delete method.
6957         (Icf::section_reloc_list): Delete method.
6958         (Icf::reloc_info_list): New method.
6959         (Icf::reloc_info_list_): New member.
6960
6961 2010-02-19  Doug Kwan  <dougkwan@google.com>
6962
6963         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6964         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6965         * arm.cc (Arm_relocation_functions): New forward declaration.
6966         (Target_arm::Target_arm): Initialize new data members
6967         got_mod_index_offset_ and tls_base_symbol_defined_.
6968         (Target_arm::Relocate::relocate_tls): New method.
6969         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6970          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6971         New methods.
6972         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6973         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6974         (Target_arm::got_mod_index_offset_,
6975         Target_arm::tls_base_symbol_defined_): New data members.
6976         (Target_arm::Scan::local, Target::Scan::global,
6977         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6978         relocations.
6979
6980 2010-02-18  Doug Kwan  <dougkwan@google.com>
6981
6982         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6983         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6984         text section as a parameter becuase some broken tools may not set
6985         the link in section header.
6986         (Target_arm::has_got_section): New method.
6987         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6988         without any mapping symbol as data only.  Remove warning.
6989         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6990         link in its section header, try to discover the link by inspecting the
6991         REL31 relocation at the beginning of the section.
6992         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6993         in error message.
6994         (Target_arm::Scan::global): Treat any reference to the symbol
6995         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6996
6997 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6998
6999         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7000         (Scan::global_reloc_may_be_function_pointer): New function.
7001         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7002         (Scan::global_reloc_may_be_function_pointer): New function.
7003         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7004         (Scan::global_reloc_may_be_function_pointer): New function.
7005         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7006         (Scan::global_reloc_may_be_function_pointer): New function.
7007         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7008         (Scan::global_reloc_may_be_function_pointer): New function.
7009         (Scan::possible_function_pointer_reloc): New function.
7010         (Target_x86_64::can_check_for_function_pointers): New function.
7011         * gc.h (gc_process_relocs): Scan relocation types to determine if
7012         function pointers were taken for targets that support it.
7013         * icf.cc (Icf::find_identical_sections): Include functions for
7014         folding in safe ICF whose pointer is not taken.
7015         * icf.h (Secn_fptr_taken_set): New typedef.
7016         (fptr_section_id_): New member.
7017         (section_has_function_pointers): New function.
7018         (set_section_has_function_pointers): New function.
7019         (check_section_for_function_pointers): New function.
7020         * options.h: Fix comment for safe ICF option.
7021         * target.h (can_check_for_function_pointers): New function.
7022         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7023         Modify icf_safe_test for X86-64.
7024         * testsuite/Makefile.in: Regenerate.
7025         * testsuite/icf_safe_so_test.cc: New file.
7026         * testsuite/icf_safe_so_test.sh: New file.
7027         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7028         (main): Change to take pointer to function kept_func_3.
7029         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7030         folding is done correctly for X86-64.
7031
7032 2010-02-12  David S. Miller  <davem@davemloft.net>
7033
7034         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7035         is_symbolless parameter.
7036         (Output_reloc<SHT_REL>::is_symbolless): New.
7037         (Output_reloc<SHT_REL>::is_symbolless_): New.
7038         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7039         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7040         (Output_reloc<SHT_RELA>::is_symbolless): New.
7041         (Output_data_reloc::add_global): Handle is_symbolless.
7042         (Output_data_reloc::add_global_relative): Likewise.
7043         (Output_data_reloc::add_local): Likewise.
7044         (Output_data_reloc::add_local_relative): Likewise.
7045         (Output_data_reloc::add_symbolless_global_addend): New.
7046         (Output_data_reloc::add_symbolless_local_addend): New.
7047         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7048         is_symbolless.
7049         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7050         instead of ->is_relative_
7051         (Output_reloc::write): Likewise.
7052         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7053         (Output_reloc::write_rel): Simplify.
7054
7055         * sparc.cc (Target_sparc::Scan::local): Use
7056         ->add_symbolless_local_addend as needed.
7057         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7058         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7059         based upon relocation offset.
7060
7061 2010-02-11  Doug Kwan  <dougkwan@google.com>
7062
7063         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7064         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7065         beginning of function.
7066         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7067         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7068         parameter is_32bit in calls to should_apply_static_reloc.
7069         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7070         (check_DATA): Add arm_abs_global.stdout.
7071         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7072         arm_abs_global.stdout): New rules.
7073         (MOSTLLYCLEANFILES): Add arm_abs_global
7074         * Makefile.in: Regenerate.
7075         * testsuite/arm_abs_global.s: New file.
7076         * testsuite/arm_abs_global.sh: Ditto.
7077         * testsuite/arm_abs_lib.s: Ditto.
7078
7079 2010-02-11  Ian Lance Taylor  <iant@google.com>
7080
7081         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7082         Read_relocs task.
7083         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7084         Allocate_commons_task first.
7085         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7086         task, rather than symtab_lock_.
7087         (Gc_process_relocs::~Gc_process_relocs): New function.
7088         (Gc_process_relocs::is_runnable): Check this_blocker_.
7089         (Gc_process_relocs::locks): Use next_blocker_ rather than
7090         blocker_.
7091         (Scan_relocs::~Scan_relocs): New function.
7092         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7093         symtab_lock_.
7094         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7095         next_blocker_.
7096         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7097         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7098         constructor accordingly.
7099         (class Gc_process_relocs): Likewise.
7100         (class Scan_relocs): Likewise.
7101         * common.h (class Allocate_commons_task): Remove symtab_lock_
7102         field, and corresponding constructor parameter.
7103         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7104         symtab_lock_.
7105         (Allocate_commons_task::locks): Likewise.
7106
7107 2010-02-11  Ian Lance Taylor  <iant@google.com>
7108
7109         * gold-threads.h (class Once): Define.
7110         (class Initialize_lock): Rewrite as child of Once.
7111         * gold-threads.cc (class Once_initialize): Define.
7112         (once_pointer_control): New static variable.
7113         (once_pointer, once_arg): New static variables.
7114         (c_run_once): New static function.
7115         (Once::Once, Once::run_once, Once::internal_run): New functions.
7116         (class Initialize_lock_once): Remove.
7117         (initialize_lock_control): Remove.
7118         (initialize_lock_pointer): Remove.
7119         (initialize_lock_once): Remove.
7120         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7121         (Initialize_lock::initialize): Rewrite.
7122         (Initialize_lock::do_run_once): New function.
7123         * archive.cc (Archive::interpret_header): Only clear name if it is
7124         not already empty.
7125         * fileread.cc: Include "gold-threads.h"
7126         (file_counts_lock): New static variable.
7127         (file_counts_initialize_lock): Likewise.
7128         (File_read::release): Only increment counts when using --stats.
7129         Use a lock around the increment.
7130         * parameters.cc (class Set_parameters_target_once): Define.
7131         (set_parameters_target_once): New static variable.
7132         (Parameters::Parameters): Move here from parameters.h.
7133         (Parameters::set_target): Rewrite.
7134         (Parameters::set_target_once): New function.
7135         (Parameters::clear_target): Move here and rewrite.
7136         * parameters.h (class Parameters): Update declarations.  Add
7137         set_parameters_target_once_ field.
7138         (Parameters::Parameters): Move to parameters.cc.
7139         (Parameters::clear_target): Likewise.
7140         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7141         task.
7142         (Start_group::~Start_group): New function.
7143         (Start_group::is_runnable): New function.
7144         (Start_group::locks, Start_group::run): New functions.
7145         (Finish_group::run): Change saw_undefined to size_t.
7146         * readsyms.h (class Start_group): Define.
7147         (class Finish_group): Change saw_undefined_ field to size_t.
7148         (Finish_group::Finish_group): Remove saw_undefined and
7149         this_blocker parameters.  Change all callers.
7150         (Finish_group::set_saw_undefined): New function.
7151         (Finish_group::set_blocker): New function.
7152         * symtab.h (class Symbol_table): Change saw_undefined to return
7153         size_t.  Change saw_undefined_ field to size_t.
7154         * target-select.cc (Set_target_once::do_run_once): New function.
7155         (Target_selector::Target_selector): Initialize set_target_once_
7156         field.  Don't initialize lock_ and initialize_lock_ fields.
7157         (Target_selector::instantiate_target): Rewrite.
7158         (Target_selector::set_target): New function.
7159         * target-select.h (class Set_target_once): Define.
7160         (class Target_selector): Update declarations.  Make
7161         Set_target_once a friend.  Remove lock_ and initialize_lock_
7162         fields.  Add set_target_once_ field.
7163
7164 2010-02-10  Ian Lance Taylor  <iant@google.com>
7165
7166         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7167         queueing any tasks.
7168         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7169         (queue_middle_tasks): Add all blockers before queueing any tasks.
7170         (queue_final_tasks): Likewise.
7171         * token.h (Task_token::add_blockers): New function.
7172         * object.h (Input_objects::number_of_relobjs): New function.
7173
7174 2010-02-10  Ian Lance Taylor  <iant@google.com>
7175
7176         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7177         shared, not if not position independent.
7178         * x86_64.cc (Relocate::relocate_tls): Likewise.
7179         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7180         (tls_pie_pic_test): New target.
7181         * testsuite/Makefile.in: Rebuild.
7182
7183         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7184         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7185         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7186         * testsuite/Makefile.in: Rebuild.
7187
7188 2010-02-09  David S. Miller  <davem@davemloft.net>
7189
7190         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7191         R_SPARC_RELATIVE using ->add_local_relative().
7192         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7193
7194         * output.h (Output_data_dynamic::add_section_size): New method
7195         that takes two Output_data objects.
7196         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7197         entry param.  Handle it in initializers.
7198         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7199         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7200         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7201         arg.
7202         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7203         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7204         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7205         for dynrel_includes_plt.
7206         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7207         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7208         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7209         before .rela.plt
7210         (Target_sparc::do_finalize_sections): Update to pass true for
7211         dynrel_includes_plt.
7212         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7213         output before .rela.plt
7214         (Target_powerpc::do_finalize_sections): Update to pass true for
7215         dynrel_includes_plt when 32-bit.
7216
7217 2010-02-08  Doug Kwan  <dougkwan@google.com>
7218
7219         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7220         method.
7221         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7222         Arm_relobj::scan_section_for_cortex_a8_stubs,
7223         Arm_relobj::do_relocation_section): Instead of calling
7224         Output_section::output_address, use faster
7225         Arm_relobj::simple_input_section_output_address.
7226
7227 2010-02-08  David S. Miller  <davem@davemloft.net>
7228
7229         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7230         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7231         relocation helper function.
7232
7233         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7234         just like R_SPARC_GOT{10,13,22}.
7235         (Target_sparc::Scan::local): Likewise.
7236         (Target_sparc::Relocate:relocate): Likewise.
7237
7238 2010-02-06  Ian Lance Taylor  <iant@google.com>
7239
7240         * configure.ac: Rewrite targetobjs duplicate removal code to use
7241         only shell constructs.
7242         * configure: Rebuild.
7243
7244 2010-02-05  Doug Kwan  <dougkwan@google.com>
7245
7246         PR 11247
7247         * arm.cc (Arm_relobj::section_is_scannable): New method.
7248         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7249         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7250
7251 2010-02-04  Doug Kwan  <dougkwan@google.com>
7252
7253         PR 11247
7254         * arm-reloc-property.cc (cstdio): Include.
7255         * configure.ac (targetobjs): Remove duplicates.
7256         * configure: Regenerate.
7257         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7258         big and little endian version for a given address size.
7259
7260 2010-02-03  Doug Kwan  <dougkwan@google.com>
7261
7262         * arm-reloc-property.cc
7263         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7264         definition.
7265         * arm-reloc-property.h
7266         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7267         New method definition.
7268         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7269         declaration.
7270         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7271         overflow to N.
7272         (GOT_PREL): Change implemented to Y.
7273         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7274         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7275         (Arm_relocate_functions::movw_abs_nc): Remove method.
7276         (Arm_relocate_functions::movt_abs): Ditto.
7277         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7278         (Arm_relocate_functions::thm_movt_abs): Ditto.
7279         (Arm_relocate_functions::movw_rel_nc): Ditto.
7280         (Arm_relocate_functions::movw_rel): Ditto.
7281         (Arm_relocate_functions::movt_rel): Ditto.
7282         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7283         (Arm_relocate_functions:thm_movw_rel): Ditto.
7284         (Arm_relocate_functions:thm_movt_rel): Ditto.
7285         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7286         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7287         New method definitions.
7288         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7289         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7290         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7291         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7292         (Target_arm::Relocate::relocate): Check for non-static or
7293         unimplemented relocation code and exit early.  Change calls to
7294         Target_arm::reloc_uses_thumb_bit and
7295         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7296         instead.  Refactor code to handle similar relocations to increase
7297         code sharing.  Remove check for unsupported relocation code in switch
7298         statement.
7299         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7300         relocation property table to find out size.  Change error message to
7301         print out the name of a relocation code instead of the numeric value.
7302         (Target_arm::scan_reloc_for_stub): Use relocation property table
7303         instead of calling Target_arm::reloc_uses_thumb_bit().
7304
7305 2010-02-02  Doug Kwan  <dougkwan@google.com>
7306
7307         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7308         types of relaxed input section.
7309
7310 2010-02-02  Doug Kwan  <dougkwan@google.com>
7311
7312         * Makefile.am (HFILES): Add arm-reloc-property.h.
7313         (DEFFILES): New.
7314         (TARGETSOURCES): Add arm-reloc-property.cc
7315         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7316         (libgold_a_SOURCES): $(DEFFILES)
7317         * Makefile.in: Regenerate.
7318         * arm-reloc-property.cc: New file.
7319         * arm-reloc-property.h: New file.
7320         * arm-reloc.def: New file.
7321         * arm.cc: Update comments.
7322         (arm-reloc-property.h): New included header.
7323         (arm_reloc_property_table): New global variable.
7324         (Target_arm::do_select_as_default_target): New method definition.
7325         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7326         arm-reloc-property to targ_extra_obj.
7327         * parameters.cc (set_parameters_target): Call
7328         Target::select_as_default_target().
7329         * target.h (Target::select_as_default_target): New method definition.
7330         (Target::do_select_as_default_target): Same.
7331
7332 2010-02-01  Doug Kwan  <dougkwan@google.com>
7333
7334         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7335         first_output_text_section_.
7336         (Arm_exidx_fixup::first_output_text_section): New method definition.
7337         (Arm_exidx_fixup::first_output_text_section_): New data member.
7338         (Arm_exidx_fixup::process_exidx_section): Record the first text
7339         output section seen.
7340         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7341         and entsize in output section header.
7342
7343 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7344
7345         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7346         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7347         (Arm_relocate_functions::thm_alu11): New Method.
7348         (Arm_relocate_functions::thm_pc8): New Method.
7349         (Arm_relocate_functions::thm_pc12): New Method.
7350         (Target_arm::Scan::local): Handle the relocations.
7351         (Target_arm::Scan::global): Likewise.
7352         (Target_arm::Relocate::relocate): Likewise.
7353         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7354
7355 2010-01-29  Doug Kwan  <dougkwan@google.com>
7356
7357         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7358         of relocation types as ld.
7359
7360 2010-01-29  Doug Kwan  <dougkwan@google.com>
7361
7362         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7363         to public.
7364         (Arm_relocate_functions::thumb_branch_common): Ditto.
7365         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7366         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7367         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7368         Arm_relocate_functions::jump24): Remove.
7369         (Target_arm::Relocate::relocate): Adjust code to call
7370         Arm_relocation_functions::arm_branch_common and
7371         Arm_relocation_functions::thumb_branch_common instead of their removed
7372         wrappers.  Merge switch-cases together to reduce source code size.
7373
7374 2010-01-29  Doug Kwan  <dougkwan@google.com>
7375
7376         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7377         output_local_symbol_count_needs_update_.
7378         (Arm_relobj::output_local_symbol_count_needs_update,
7379          Arm_relobj::set_output_local_symbol_count_needs_update,
7380          Arm_relobj::update_output_local_symbol_count): New methods.
7381         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7382         member.
7383         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7384         of pointed function as in a R_ARM_PREL31 relocation.
7385         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7386         for output local symbol count updating.
7387         (Target_arm::do_relax): Update output local symbol counts in objects
7388         if necessary.
7389         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7390
7391 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7392
7393         * arm.cc: Added support for the ARM relocations:
7394         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7395         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7396         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7397         movw_prel_nc).
7398         (Arm_relocate_functions::movw_rel): New method.
7399         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7400         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7401         thm_movw_prel_nc).
7402         (Arm_relocate_functions::thm_movw_rel): New method.
7403         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7404         thm_movt_prel).
7405         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7406         relocations.
7407         (Target_arm::Scan::global): Likewise.
7408         (Target_arm::Relocate::relocate): Likewise.
7409         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7410         Likewise.
7411
7412 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7413
7414         * arm.cc: Added support for ARM group relocations.
7415         (Target_arm::reloc_needs_sym_origin): New method.
7416         (Arm_relocate_functions::calc_grp_kn): New method.
7417         (Arm_relocate_functions::calc_grp_residual): New method.
7418         (Arm_relocate_functions::calc_grp_gn): New method.
7419         (Arm_relocate_functions::arm_grp_alu): New Method.
7420         (Arm_relocate_functions::arm_grp_ldr): New Method.
7421         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7422         (Arm_relocate_functions::arm_grp_ldc): New Method.
7423         (Target_arm::Scan::local): Handle the ARM group relocations.
7424         (Target_arm::Scan::global): Likewise.
7425         (Target_arm::Relocate::relocate): Likewise.
7426         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7427         Likewise.
7428
7429 2010-01-26  Doug Kwan  <dougkwan@google.com>
7430
7431         * arm.cc (set): Include.
7432         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7433         pointer type.
7434         (Arm_output_section::Text_section_list): New type.
7435         (Arm_output_section::append_text_sections_to_list): New method.
7436         (Arm_output_section::fix_exidx_coverage): Ditto.
7437         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7438         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7439         Relobj::set_section_offset() instead of
7440         Sized_relobj::invalidate_section_offset().
7441         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7442         parameter for section headers. Ignore relocation sections for
7443         unallocated sections and EXIDX sections.
7444         (Target_arm::fix_exidx_coverage): New method.
7445         (Target_arm::output_section_address_less_than): New type.
7446         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7447         linked text section instead of the EXIDX section.
7448         (Arm_output_section::create_stub_group): Add an assertion to check
7449         that this is not an EXIDX output section.
7450         (Arm_output_section::append_text_sections_to_list): New method.
7451         (Arm_output_section::fix_exidx_coverage): Ditto.
7452         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7453         Arm_relobj::section_needs_reloc_stub_scanning.
7454         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7455         first pass.
7456         (Target_arm::fix_exidx_coverage): New method.
7457         * object.h (Relobj::set_output_section): New method.
7458         (Sized_relobj::invalidate_section_offset): Remove method.
7459         (Sized_relobj::do_invalidate_section_offset): Remove method.
7460         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7461
7462 2010-01-25  Doug Kwan  <dougkwan@google.com>
7463
7464         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7465         Fix warning due to signed and unsigned comparison on a 32-bit host.
7466
7467 2010-01-22  Doug Kwan  <dougkwan@google.com>
7468
7469         * arm.cc (Target_arm::do_relax): Record an output section for section
7470         offset adjustment it contains any stub table that has changed.
7471         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7472         offsets in an output section if necessary.
7473         * output.cc (Output_section::Output_section): Initialize
7474         section_offsets_need_adjustments_.
7475         (Output_section::add_input_section_for_script): Renamed to
7476         Output_section::add_simple_input_section.
7477         (Output_section::save_states): Add a comment.
7478         (Output_section::discard_states): New method defintion.
7479         (Output_section::adjust_section_offsets): Same.
7480         * output.h (Output_section::add_input_section_for_script): Renamed to
7481         Output_section::add_simple_input_section.
7482         (Output_section::discard_states): New method declaration.
7483         (Output_section::adjust_section_offsets): Same.
7484         (Output_section::section_offsets_need_adjustment,
7485         Output_section::set_section_offsets_need_adjustment): New method
7486         definitions.
7487         (Output_section::section_offsets_need_adjustment_): New data member.
7488         * script-sections.cc
7489         (Output_section_element_input::set_section_address): Adjust code for
7490         renaming of Output_section::add_input_section_for_script.
7491         (Orphan_output_section::set_section_address): Same.
7492
7493 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7494
7495         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7496         Fix_v4bx enum values .
7497         * gold/options.h (General_options): New option definitions.
7498         (General_options::fix_v4bx): New method.
7499         (General_options::Fix_v4bx): New enum.
7500         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7501         (General_options::parse_fix_v4bx_interworking): New method.
7502
7503 2010-01-22  Doug Kwan  <dougkwan@google.com>
7504
7505         * arm.cc (Arm_exidx_fixup): New class.
7506
7507 2010-01-21  Doug Kwan  <dougkwan@google.com>
7508
7509         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7510         classes.
7511         (Arm_exidx_section_offset_map): New type.
7512
7513 2010-01-21  Doug Kwan  <dougkwan@google.com>
7514
7515         * arm.cc (Arm_exidx_input_section): New class.
7516         (Arm_relobj::exidx_input_section_by_link,
7517         Arm_relobj::exidx_input_section_by_shndx,
7518         Arm_relobj::make_exidx_input_section): New methods.
7519         (read_arm_attributes_section): Remove.
7520         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7521         information about them.
7522         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7523         to here.
7524
7525 2010-01-20  Doug Kwan  <dougkwan@google.com>
7526
7527         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7528         Input_section_specifier to Section_id.
7529         (Target_arm::new_arm_input_section: Adjust code for change of key
7530         type.
7531         (Target_arm::find_arm_input_section): Ditto.
7532         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7533         (Section_id): Remove.
7534         (Garbage_collection::Section_id_hash): Remove.
7535         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7536         (Section_id): Remove.
7537         (Icf::Section_id_hash): Remove.
7538         * object.h (Section_id, Const_section_id, Section_id_hash,
7539         Const_section_id_hash): New type definitions.
7540         * output.cc (Output_section::add_relaxed_input_section): Change to
7541         use Const_section_id instead of Input_section_specifier as key type.
7542         (Output_section::add_merge_input_section): Ditto.
7543         (Output_section::build_relaxation_map): Change to use Section_id
7544         instead of Input_section_specifier as key type.
7545         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7546         Ditto.
7547         (Output_section::convert_input_sections_to_relaxed_sections): Change
7548         to use Const_section_id instead of Input_section_specifier as key type.
7549         (Output_section::find_merge_section): Ditto.
7550         (Output_section::find_relaxed_input_section): Ditto.
7551         * output.h (Input_section_specifier): Remove class.
7552         (Output_section::Output_section_data_by_input_section_map): Change
7553         key type to Const_section_id.
7554         (Output_section::Output_relaxed_input_section_by_input_section_map):
7555         Ditto.
7556         (Output_section::Relaxation_map): Change key type to Section_id.
7557
7558 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7559
7560         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7561         (class Arm_v4bx_stub): New class.
7562         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7563         (Stub_factory::make_arm_v4bx_stub): New method.
7564         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7565         (Stub_table::empty): Handle v4bx stubs.
7566         (Stub_table::add_arm_v4bx_stub): New method.
7567         (Stub_table::find_arm_v4bx_stub): New method.
7568         (Arm_relocate_functions::v4bx): New method.
7569         (Target_arm::fix_v4bx): New method.
7570         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7571         (Stub_table::relocate_stubs): Likewise.
7572         (Stub_table::do_write): Likewise.
7573         (Stub_table::update_data_size_and_addralign): Likewise.
7574         (Stub_table::finalize_stubs):  Likewise.
7575         (Target_arm::Scan::local): Likewise.
7576         (Target_arm::Scan::global): Likewise.
7577         (Target_arm::do_finalize_sections): Likewise.
7578         (Target_arm::Relocate::relocate): Likewise.
7579         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7580         Likewise.
7581         (Target_arm::scan_reloc_for_stub): Likewise.
7582         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7583
7584 2010-01-19  Ian Lance Taylor  <iant@google.com>
7585
7586         * output.cc (Output_section_headers::do_sized_write): Write large
7587         segment count to sh_info field.
7588         (Output_file_header::do_sized_write): For large segment count,
7589         write PN_XNUM to e_phnum field.
7590
7591 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7592
7593         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7594         (Arm_relocate_functions::thm_jump8): New function.
7595         (Arm_relocate_functions::thm_jump11): New function.
7596         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7597         R_ARM_THM_JUMP11.
7598         (Target_arm::Scan::global): Likewise.
7599         (Target_arm::Relocate::relocate): Likewise.
7600         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7601         Likewise.
7602
7603 2010-01-14  Doug Kwan  <dougkwan@google.com>
7604
7605         * arm.cc (map, utility): Include headers.
7606         (Target_arm::apply_cortex_a8_workaround): New method.
7607         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7608         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7609         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7610         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7611         the --[no-]fix-cortex-a8 command line options.
7612         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7613         (Target_arm::relocate_stub): Use addend in instruction template.
7614         * options.h (DEFINE_bool): Set the user-set flag.
7615         (General_options): Add --[no-]-fix-cortex options.
7616         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7617         : Update fast look-up map after conversion.
7618
7619 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7620
7621         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7622         in the first pass of do_layout.
7623
7624 2010-01-13  Doug Kwan  <dougkwan@google.com>
7625
7626         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7627         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7628         apparent compiler problem of not folding static constant integral
7629         data members of elfcpp::Elf_sizes<32>.
7630
7631 2010-01-13  Doug Kwan  <dougkwan@google.com>
7632
7633         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7634         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7635         Arm_relobj::scan_section_for_cortex_a8_erratum,
7636         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7637         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7638         sections to scan for relocation stubs into a new method
7639         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7640         relocation and Cortex-A8 stub scanning.
7641         (Target_arm::do_relax): Force stubs to be after stubbed sections
7642         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7643         the beginning of a new relaxation pass.  Update a comment.
7644         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7645
7646 2010-01-12  Ian Lance Taylor  <iant@google.com>
7647
7648         * target-reloc.h (visibility_error): New inline function.
7649         (relocate_section): Call visibility_error.
7650         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7651         (MOSTLYCLEANFILES): Likewise.
7652         (protected_4_pic.o, protected_3.err): New targets.
7653         * testsuite/protected_4.cc: New file.
7654
7655 2010-01-12  Doug Kwan  <dougkwan@google.com>
7656
7657         * arm.cc (Cortex_a8_reloc): New class.
7658         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7659         and cortex_a8_relocs_info_.
7660         (Target_arm::fix_cortex_a8): New method definition.
7661         (Target_arm::Cortex_a8_relocs_info): New type.
7662         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7663         New data member declarations.
7664         (Target_arm::scan_reloc_for_stub): Record information about
7665         relocations for THUMB branches that might be exempted from the
7666         Cortex-A8 workaround.
7667         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7668         at the beginning of a relaxation pass.
7669
7670 2010-01-12  Doug Kwan  <dougkwan@google.com>
7671
7672         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7673         (Arm_relobj::Mapping_symbol_position,
7674          Arm_reloj::Mapping_symbol_position_less,
7675          Arm_relobj::Mapping_symbols_info): New types.
7676         (Target_arm::is_mapping_symbol_name): New method definition.
7677         (Arm_relobj::do_count_local_symbols): Save information about mapping
7678         symbols.
7679
7680 2010-01-11  Doug Kwan  <dougkwan@google.com>
7681
7682         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7683         Arm_relocate_functions::thumb32_branch_upper,
7684         Arm_relocate_functions::thumb32_branch_lower,
7685         Arm_relocate_functions::thumb32_cond_branch_offset,
7686         Arm_relocate_functions::thumb32_cond_branch_upper,
7687         Arm_relocate_functions::thumb32_cond_branch_lower,
7688         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7689         branch offset encoding.
7690         (Arm_relocate_functions::thumb_branch_common): Use new branch
7691         offset encoding methods to avoid code duplication.
7692         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7693         (Stub_addend_reader::operator()): Use new branch encoding method
7694         to avoid code duplication.
7695
7696 2010-01-11  Doug Kwan  <dougkwan@google.com>
7697
7698         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7699         (Target_arm::do_finalize_sections): Define special EXIDX section
7700         symbols only if referenced.
7701         * gc.h (Garbage_collection::add_reference): New method.
7702         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7703         code duplication.
7704
7705 2010-01-11  Ian Lance Taylor  <iant@google.com>
7706
7707         * script.cc (Version_script_info::build_expression_list_lookup):
7708         Change complaing about duplicate wildcard match from error to
7709         warning.
7710
7711         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7712         of 2009-12-30.
7713         (Version_script_info::Version_script_info): Initialize globs_,
7714         default_version_, default_is_global_, and exact_.  Don't
7715         initialize globals_ or locals_.
7716         (Version_script_info::build_lookup_tables): Build local symbols
7717         first.
7718         (Version_script_info::unquote): New function.
7719         (Version_script_info::add_exact_match): New function.
7720         (Version_script_info::build_expression_list_lookup): Remove lookup
7721         parameter.  Add is_global parameter.  Change all callers.  Handle
7722         wildcard pattern specially.  Unquote pattern.  Call
7723         add_exact_match.
7724         (Version_script_info::get_name_to_match): New function.
7725         (Version_script_info::get_symbol_version): New function.
7726         (Version_script_info::get_symbol_version_helper): Remove.
7727         (Version_script_info::check_unmatched_names): Call unquote.
7728         * script.h (class Version_script_info): Change get_symbol_version
7729         to be non-inline and add is_global parameter; change all callers.
7730         Rewrite symbol_is_local.  Update declarations.  Define struct
7731         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7732         Remove globals_ and locals_ members.  Add exact_, globs_,
7733         default_version_, is_global_.
7734         (Version_script_info::Glob): Remove pattern, add expression and
7735         is_global.  Update constructor.  Change all callers.
7736         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7737         default version.
7738         (Versions::symbol_section_contents): If a symbol is undefined, or
7739         defined in a dynamic object, set the version index to
7740         VER_NDX_LOCAL.
7741         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7742         symbol_is_local.
7743         (Symbol_table::add_from_pluginobj): Likewise.
7744         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7745
7746 2010-01-11  Doug Kwan  <dougkwan@google.com>
7747
7748         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7749         (incremental_dump_LDADD): Add linking option for libintl.
7750         * Makefile.in: Regenerate.
7751
7752 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7753
7754         PR gold/11144
7755         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7756         instead of -Ds.
7757         * testsuite/Makefile.in: Regenerated.
7758
7759 2010-01-10  Doug Kwan  <dougkwan@google.com>
7760
7761         * options.h (DEFINE_var): Use parentheses around argument varname__
7762         in macro body to avoid any unintended subsequent substitutions.
7763
7764 2010-01-10  Ian Lance Taylor  <iant@google.com>
7765
7766         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7767         candidates before doing symbol resolution.
7768
7769         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7770         ODR candidates if only one is weak.
7771
7772 2010-01-08  Ian Lance Taylor  <iant@google.com>
7773
7774         * script.cc (Version_script_info::build_expression_list_lookup):
7775         Don't warn about ambiguous version, just record the ambiguity.
7776         (Version_script_info::get_symbol_version_helper): Give error if
7777         version is ambiguous.
7778
7779 2010-01-08  Doug Kwan  <dougkwan@google.com>
7780
7781         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7782         prev_data_size_ and prev_addralign_.  Remove initializer for
7783         deleted data member has_been_changed_.
7784         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7785         to determine if the table is empty.
7786         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7787         Remove.
7788         (Stub_table::add_reloc_stub): Define method in class definition
7789         instead of just declaring it there.
7790         (Stub_table::add_cortex_a8_stub): New method definition.
7791         (Stub_table::update_data_size_and_addralign): Ditto.
7792         (Stub_table::finalize_stubs): Ditto.
7793         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7794         (Stub_table::do_addralign_): Return address alignment in the
7795         (Stub_table::do_reset_address_and_file_offset): Define method in
7796         class definition instead of declaring it there.  Set current data
7797         size to be the data size of the previous pass.
7798         (Stub_table::set_final_data_size): Use current data size as the
7799         final data size.
7800         (Stub_table::relocate_stub): Change parameter type of stub from
7801         Reloc_stub pointer to Stub pointer.
7802         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7803         (Stub_table::Cortex_a8_stub_list): New typedef.
7804         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7805          Stub_table::prev_addralign_): New data member.
7806         (Arm_relobj::Arm_relobj): Initialize data member
7807         section_has_cortex_a8_workaround_.
7808         (Arm_relobj::section_has_cortex_a8_workaround,
7809          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7810          definitions.
7811         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7812         declarations.
7813         (Target_arm::relocate_stub): Change parameter type of stub from
7814         Reloc_stub pointer to Stub pointer.
7815         (Insn_template::size, Insn_template::alignment): Handle
7816         THUMB16_SPECIAL_TYPE.
7817         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7818          Stub_table::update_data_size_and_addralign,
7819          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7820         definitions.
7821         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7822         (Stub_table::do_write): Ditto.
7823         (Target_arm::do_relax): Adjust code for changes in Stub_table.
7824
7825 2010-01-08  Ian Lance Taylor  <iant@google.com>
7826
7827         PR 11108
7828         * symtab.h (class Symbol): Remove fields is_target_special_ and
7829         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7830         (Symbol::is_defined_in_discarded_section): New function.
7831         (Symbol::set_is_defined_in_discarded_section): New function.
7832         (Symbol::has_plt_offset): Rewrite.
7833         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7834         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7835         Don't initialize is_target_special_ or has_plt_offset_.
7836         Initialize is_defined_in_discarded_section_.
7837         (Symbol_table::add_from_relobj): If appropriate, set
7838         is_defined_in_discarded_section.
7839         * resolve.cc (Symbol::override_base_with_special): Don't test
7840         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7841         * target-reloc.h (relocate_section): Do special handling for
7842         symbols defined in discarded sections for global symbols as well
7843         as local symbols.
7844
7845 2010-01-08  Ian Lance Taylor  <iant@google.com>
7846
7847         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7848         the SHT_SYMTAB case.
7849
7850 2010-01-08  Ian Lance Taylor  <iant@google.com>
7851
7852         * object.cc (Sized_relobj::do_layout): Don't get confused if
7853         layout_eh_frame returns NULL.
7854
7855 2010-01-08  Ian Lance Taylor  <iant@google.com>
7856
7857         PR 11084
7858         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7859         dynamic symbol table, use the normal symbol table.
7860         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7861         symbol table.
7862
7863 2010-01-08  Ian Lance Taylor  <iant@google.com>
7864
7865         PR 11072
7866         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7867         sections.
7868
7869 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7870
7871         * version.cc (print_version): Change to "Copyright 2010".
7872
7873 2010-01-08  Ian Lance Taylor  <iant@google.com>
7874
7875         PR 10287
7876         PR 11063
7877         * i386.cc (class Target_i386): Change return type of plt_section
7878         to be non-const.
7879         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7880         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7881         tls_desc_rel_ field.
7882         (Output_data_plt_i386::rel_tls_desc): New function.
7883         (Target_i386::rel_tls_desc_section): New function.
7884         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7885         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7886         R_386_TLS_DESC reloc in rel_tls_desc_section.
7887         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7888         Define struct Tlsdesc_info.
7889         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7890         (Target_x86_64::do_reloc_symbol_index): New function.
7891         (Target_x86_64::add_tlsdesc_info): New function.
7892         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7893         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7894         tlsdesc_rel_ field.
7895         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7896         all callers.
7897         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7898         (Target_x86_64::rela_tlsdesc_section): New function.
7899         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7900         handling.
7901         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7902         (Target_x86_64::do_reloc_addend): New function.
7903         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7904         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7905         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7906         (Output_reloc::type): New function.
7907         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7908         (Output_reloc::is_target_specific): New function.
7909         (Output_reloc::target_arg): New function.
7910         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7911         absolute relocs and target specific relocs.
7912         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7913         add_target_specific.
7914         (class Output_data_reloc) [SHT_RELA]: Likewise.
7915         * output.cc (Output_reloc::Output_reloc): Add four new versions
7916         for absolute relocs and target specific relocs.
7917         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7918         (Output_reloc::get_symbol_index): Likewise.
7919         (Output_reloc::local_section_offset): Check that local_sym_index_
7920         is not TARGET_CODE or 0.
7921         (Output_reloc::symbol_value): Likewise.
7922         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7923         reloc.
7924         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7925         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7926         functions.
7927         * layout.cc (add_target_dynamic_tags): Use output section for
7928         DT_PLTRELSZ and DT_JMPREL.
7929
7930 2010-01-07  Ian Lance Taylor  <iant@google.com>
7931
7932         PR 11061
7933         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7934         function.
7935         (class Output_data_reloc_generic): Define.
7936         (class Output_data_reloc_base): Change base class to
7937         Output_data_reloc_generic.  Change add() method to call
7938         bump_relative_reloc_count for a relative reloc.  Remove
7939         sort_relocs_ field.
7940         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7941         to sort_relocs().
7942         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7943         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7944         appropriate.
7945         * layout.h (class Layout): Update declaration.
7946
7947 2010-01-07  Ian Lance Taylor  <iant@google.com>
7948
7949         * output.h (class Output_data): Add const version of
7950         output_section and do_output_section.
7951         (class Output_section_data): Add const version of
7952         do_output_section.
7953         (class Output_section): Likewise.
7954         * layout.cc (Layout::add_target_dynamic_tags): New function.
7955         * layout.h (class Layout): Update declarations.
7956         * arm.cc (Target_arm::do_finalize_sections): Use
7957         add_target_dynamic_tags.
7958         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7959         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7960         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7961         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7962
7963 2010-01-07  Ian Lance Taylor  <iant@google.com>
7964
7965         PR 11042
7966         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7967         object as needed.
7968
7969 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7970             Ian Lance Taylor  <iant@google.com>
7971
7972         PR 11019
7973         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7974         Xindex::read_symtab_xindex.
7975
7976 2010-01-07  Doug Kwan  <dougkwan@google.com>
7977
7978         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7979         (Insn_template::thumb16_bcond_insn): New method declaration.
7980         (Insn_template): Fix spelling.
7981         (Stub::thumb16_special): New method declaration.
7982         (Stub::do_write): Define virtual method which was previously pure
7983         virtual.
7984         (Stub::do_thumb16_special): New method declaration.
7985         (Stub::do_fixed_endian_write): New template member.
7986         (Reloc_stub::do_write): Remove.
7987         (Reloc_stub::do_fixed_endian_write): Remove.
7988         (Cortex_a8_stub): New class definition.
7989         (Stub_factory::make_cortex_a8_stub): New method definition.
7990         (Stub_factory::Stub_factory): Add missing static storage class
7991         qualifier for elf32_arm_stub_a8_veneer_blx.
7992
7993 2010-01-07  Ian Lance Taylor  <iant@google.com>
7994
7995         PR 10980
7996         * options.h (class General_options): Add --warn-unresolved-symbols
7997         and --error-unresolved-symbols.
7998         * errors.cc (Errors::undefined_symbol): Implement
7999         --warn-unresolved-symbols.
8000
8001         * options.h (class General_options): Add -z text and -z textoff.
8002         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8003
8004 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8005
8006         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8007         (Garbage_collection::cident_sections): New function.
8008         (Garbage_collection::add_cident_section): New function.
8009         (Garbage_collection::cident_sections_): New member.
8010         (gc_process_relocs): Add references to sections whose names are C
8011         identifiers.
8012         * gold.h (cident_section_start_prefix): New constant.
8013         (cident_section_stop_prefix): New constant.
8014         (is_cident): New function.
8015         * layout.cc (Layout::define_section_symbols): Replace string constants
8016         with the newly defined constants.
8017         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8018         C identifiers.
8019         * testsuite/Makefile.am: Add gc_orphan_section_test.
8020         * testsuite/Makefile.in: Regenerate.
8021         * testsuite/gc_orphan_section_test.cc: New file.
8022         * testsuite/gc_orphan_section_test.sh: New file.
8023
8024 2010-01-06  Ian Lance Taylor  <iant@google.com>
8025
8026         PR 10980
8027         * options.h (class General_options): Add --warn-shared-textrel.
8028         * layout.cc (Layout::finish_dynamic_section): Implement
8029         --warn-shared-textrel.
8030
8031         PR 10980
8032         * options.h (class General_options): Add --warn-multiple-gp.
8033
8034 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8035
8036         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8037         $(THREADSLIB) and $(LIBDL).
8038         * Makefile.in: Rebuild.
8039
8040 2010-01-06  Ian Lance Taylor  <iant@google.com>
8041
8042         PR 10980
8043         * options.cc (General_options::parse_section_start): New function.
8044         (General_options::section_start): New function.
8045         (General_options::General_options): Initialize all members.
8046         * options.h: Include <map>
8047         (class General_options): Add --section-start.  Add section_starts_
8048         member.
8049         * layout.cc (Layout::attach_allocated_section_to_segment): If
8050         --section-start was used, set the address of the segment.  Remove
8051         local sort_sections.
8052         (Layout::relaxation_loop_body): If the address of the load segment
8053         has been set by --section-start, don't use it.
8054         * output.h (Output_segment::update_flags_for_output_section): New
8055         function.
8056         * output.cc (Output_segment::add_output_section): Call
8057         update_flags_for_output_section.
8058
8059 2010-01-05  Ian Lance Taylor  <iant@google.com>
8060
8061         PR 10980
8062         * options.h (class General_options): Add --undefined-version.
8063         * script.cc (struct Version_expression): Add was_matched_by_symbol
8064         field.
8065         (Version_script_info::matched_symbol): New function.
8066         (Version_script_info::get_symbol_version_helper): Call
8067         matched_symbol.
8068         (Version_script_info::check_unmatched_names): New function.
8069         * script.h (class Version_script_info): Update declarations.
8070         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8071
8072         * options.h (class General_options): Use DEFINE_bool_alias for
8073         allow_multiple_definition.
8074         * resolve.cc (Symbol_table::should_override): Don't test
8075         allow_multiple_definition.
8076
8077         PR 10980
8078         * options.h (class General_options): Add --cref.
8079         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8080         until after printing cref table.
8081         * cref.cc: Include "symtab.h".
8082         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8083         (Cref_table_compare::operator()): New function.
8084         (Cref_inputs::gather_cref): New function.
8085         (filecol): New static const.
8086         (Cref_inputs::print_cref): New function.
8087         (Cref::print_cref): New function.
8088         * cref.h: Include <cstdio>.
8089         (class Cref): Update declarations.
8090         * mapfile.h (Mapfile::file): New function.
8091         * object.h (class Object): Define Symbols.  Declare virtual
8092         do_get_global_symbols.
8093         (Object::get_global_symbols): New function.
8094         * object.cc (Input_objects::add_object): Pass object to cref_ if
8095         --cref.
8096         (Input_objects::archive_start): Likewise.
8097         (Input_objects::archive_stop): Likewise.
8098         (Input_objects::print_cref): New function.
8099         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8100         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8101         --cref.
8102         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8103         function.
8104         * plugin.h (class Sized_pluginobj): Update declarations.
8105
8106 2010-01-05  Ian Lance Taylor  <iant@google.com>
8107
8108         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8109         to is_default_version.  Rename insdef to insdefault.
8110         (Symbol_table::add_from_relobj): Rename def to is_default_version
8111         and local to is_forced_local.
8112         (Symbol_table::add_from_pluginobj): Likewise.
8113         (Symbol_table::add_from_dynobj): Likewise.
8114         (Symbol_table::define_special_symbol): Rename insdef to
8115         insdefault.
8116
8117 2010-01-04  Ian Lance Taylor  <iant@google.com>
8118
8119         PR 10980
8120         * options.h (class General_options): Add
8121         --allow-multiple-definition and -z muldefs.
8122         * resolve.cc (Symbol_table::should_override): Don't warn about a
8123         multiple symbol definition if --allow-multiple-definition or -z
8124         muldefs.
8125
8126         PR 10980
8127         * options.h (class General_options): Add --add-needed and
8128         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8129         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8130         error if --copy-dt-needed-entries aka --add-needed is used and
8131         would cause a change in behaviour.
8132
8133         PR 10980
8134         * options.h (class General_options): Add -G as a short version of
8135         --shared.  Add no-op options -assert, -g, and -i.
8136
8137 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8138
8139         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8140         check for .text or .gnu.linkonce.t sections.
8141         * icf.cc (Icf::find_identical_sections): Ditto.
8142         Change the detection for mangled function name within the section
8143         name.
8144         * icf.h (is_section_foldable_candidate): New function.
8145
8146 2009-12-30  Ian Lance Taylor  <iant@google.com>
8147
8148         PR 10980
8149         * options.h (class General_options): Permit two dashes with
8150         --retain-symbols-file.
8151
8152 2009-12-30  Ian Lance Taylor  <iant@google.com>
8153
8154         PR 10979
8155         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8156         don't put the file header and segment headers in the text
8157         segment.
8158
8159         PR 10979
8160         * common.cc (Sort_commons::operator()): Stabilize sort when both
8161         entries are NULL.
8162         (Symbol_table::do_allocate_commons_list): When allocating common
8163         symbols, skip a symbol which is no longer common.
8164         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8165         an object before checking its type.
8166         * testsuite/common_test_2.c: New file.
8167         * testsuite/common_test_3.c: New file.
8168         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8169         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8170         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8171         (common_test_2_pic.o, common_test_2.so): New targets.
8172         (common_test_3_pic.o, common_test_3.so): New targets.
8173         * testsuite/Makefile.in: Rebuild.
8174
8175         PR 10979
8176         * script.cc (read_input_script): If we see a new SECTIONS clause,
8177         and we have added an input section, give an error.
8178         * layout.h (class Layout): Add have_added_input_section function.
8179         Add have_added_input_section_ field.
8180         * layout.cc (Layout::Layout): Initialize
8181         have_added_input_section_.
8182         (Layout::layout): Set have_added_input_section_.
8183         (Layout::layout_eh_frame): Likewise.
8184
8185 2009-12-30  Ian Lance Taylor  <iant@google.com>
8186
8187         PR 10931
8188         * options.h (class General_options): Add --sort-common option.
8189         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8190         * common.cc (Sort_common): Add sort_order parameter to
8191         constructor.  Add sort_order_ field.
8192         (Sort_commons::operator): Check sort_order_.
8193         (Symbol_table::allocate_commons): Determine the sort order.
8194         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8195         Change all callers.
8196         (Symbol_table::do_allocate_commons_list): Likewise.
8197
8198 2009-12-30  Ian Lance Taylor  <iant@google.com>
8199
8200         PR 10916
8201         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8202         symbols from this object, don't change the visibility of an
8203         undefined symbol.
8204         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8205
8206 2009-12-30  Ian Lance Taylor  <iant@google.com>
8207
8208         PR 10861
8209         * script.h (class Version_script_info): Define Language enum.
8210         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8211         new fields globals_, locals_, and is_finalized_.
8212         * script.cc: Various formatting fixes.
8213         (class Parser_closure): Change language_stack_ from a vector of
8214         std::string to one of Version_script_info::Language.  Adjust all
8215         uses accordingly.
8216         (class Lazy_demangler): Remove.
8217         (struct Version_expression): Change language from std::string to
8218         Version_script_info::Language.
8219         (Version_script_info::Version_script_info): New function.
8220         (Version_script_info::~Version_script_info): Don't call clear.
8221         (Version_script_info::finalize): New function.
8222         (Version_script_info::build_lookup_tables): New function.
8223         (Version_script_info::build_expression_list_lookup): New
8224         function.
8225         (Version_script_info::get_symbol_version_helper): Rewrite to use
8226         lookup tables.
8227         (Version_script_info::print_expression_list): Adjust to use
8228         Version_script_info::Language.
8229         (script_push_lex_into_version_mode): Check that the version script
8230         has not been finalized.
8231         (version_script_push_lang): Change language string to
8232         Version_script_info::Language.
8233         * options.cc (Command_line::version_script): New function.
8234         * options.h (class General_options): Add finalize_dynamic_list
8235         function.  Change version_script from declaration to definition.
8236         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8237         * testsuite/version_script.map: Remove duplicate def of foo.
8238         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8239         version_script.map.
8240         * testsuite/Makefile.in: Rebuild.
8241
8242 2009-12-30  Ian Lance Taylor  <iant@google.com>
8243
8244         PR 10843
8245         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8246         if the input symbol index is 0, make the output symbol index 0.
8247
8248 2009-12-30  Ian Lance Taylor  <iant@google.com>
8249
8250         PR 10670
8251         * options.h (class General_options): Add -x/--discard-all.
8252         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8253         --discard-all.  If the local symbol needs a dynamic entry, check
8254         that before handling --discard-locals.
8255
8256 2009-12-30  Ian Lance Taylor  <iant@google.com>
8257
8258         PR 10450
8259         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8260         flags to PF_R.
8261         (Output_segment::add_output_section): Don't change the flags if
8262         the type is PT_TLS.
8263
8264         PR 10450
8265         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8266         GNU hash table if they need a dynamic value.  Otherwise, don't add
8267         them if they are defined in a dynamic object or are forced local.
8268
8269 2009-12-29  Ian Lance Taylor  <iant@google.com>
8270
8271         PR 10450
8272         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8273         .gnu.hash table for a 32-bit target.
8274
8275         PR 10450
8276         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8277         regular and a dynamic object only needs a dynamic symbol table
8278         entry if it is externally visible.
8279
8280         PR 10450
8281         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8282         constructor.  Add global_offset_table_ field.
8283         (Target_i386::got_section): Set global_offset_table_.
8284         (Target_i386::do_finalize_sections): Set global_offset_table_
8285         size.
8286         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8287         in constructor.  Add global_offset_table_ field.
8288         (Target_x86_64::got_section): Set global_offset_table_.
8289         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8290         size.
8291
8292         * layout.cc (Layout::Layout): Initialize increase_relro_.
8293         (Layout::get_output_section): Add is_relro, is_last_relro, and
8294         is_first_non_relro parameters.  Change all callers.
8295         (Layout::choose_output_section): Likewise.
8296         (Layout::add_output_section_data): Likewise.
8297         (Layout::make_output_section): Likewise.
8298         (Layout::set_segment_offsets): Clear increase_relro when using a
8299         linker script.
8300         * layout.h (class Layout): Add increase_relro method.  Add
8301         increase_relro_ field.  Update declarations.
8302         * output.cc (Output_section::Output_section): Initialize
8303         is_last_relro_ and is_first_non_relro_.
8304         (Output_segment::add_output_section): Group relro sections is
8305         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8306         (Output_segment::maximum_alignment): Remove relro handling.
8307         (Output_segment::set_section_addresses): Add increase_relro
8308         parameter.  Change all callers.  Add initial alignment to align
8309         relro sections on separate page.  Remove old relro handling.
8310         (Output_segment::set_section_list_addresses): Remove in_relro
8311         parameter.  Change all callers.
8312         (Output_segment::set_offset): Add increase parameter.  Change all
8313         callers.  Remove old relro handling.
8314         * output.h (class Output_section): Add new methods: is_last_relro,
8315         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8316         Add is_last_relro_ and is_first_non_relro_ fields.
8317         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8318         Create separate .got.plt section.  Call increase_relro.
8319         * x86_64.cc (Target_x86_64::got_section): Likewise.
8320         * testsuite/relro_script_test.t: Add .got.plt.
8321
8322         PR 10450
8323         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8324         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8325         (Layout::finalize): Call set_dynamic_symbol_size.
8326         (Layout::set_dynamic_symbol_size): New function.
8327         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8328         set_dynamic_symbol_size.
8329
8330         PR 10450
8331         * output.h (class Output_section): Add is_entsize_zero_ field.
8332         * output.cc (Output_section::Output_section): Initialize
8333         is_entsize_zero_.
8334         (Output_section::set_entsize): If two different entsizes are
8335         requested, force it to zero.
8336         (Output_section::add_input_section): Set flags for .debug_str
8337         before updating section flags.  Set entsize.
8338         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8339         and SHF_STRING if all input sections have those flags.
8340
8341 2009-12-29   Rafael Espindola  <espindola@google.com>
8342
8343         * main.cc (main): Fix the sys time reporting.
8344         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8345         reporting.
8346
8347 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8348
8349         * options.cc (General_options::parse_version): Allow -v to exit
8350         without an error if there is nothing to link.
8351
8352 2009-12-29  Ian Lance Taylor  <iant@google.com>
8353
8354         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8355         using a version of gcc before 4.1.
8356         * configure: Rebuild.
8357
8358 2009-12-28  Chris Demetriou  <cgd@google.com>
8359
8360         * attributes.cc (Output_attributes_section_data::do_write): Use
8361         std::vector::front rather than std::vector::data.
8362
8363 2009-12-28  Ian Lance Taylor  <iant@google.com>
8364
8365         * symtab.h (class Symbol_table): Add enum Defined.
8366         * resolve.cc (Symbol_table::should_override): Add defined
8367         parameter.  Change all callers.  Test whether object is NULL
8368         before calling a method on it.
8369         (Symbol_table::report_resolve_problem): Add defined parameter.
8370         Change all callers.
8371         (Symbol_table::should_override_with_special): Likewise.
8372         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8373         parameter.  Change all callers.
8374         (Symbol_table::do_define_in_output_data): Likewise.
8375         (Symbol_table::define_in_output_segment): Likewise.
8376         (Symbol_table::do_define_in_output_segment): Likewise.
8377         (Symbol_table::define_as_constant): Likewise.
8378         (Symbol_table::do_define_as_constant): Likewise.
8379         * script.h (class Symbol_assignment): Add is_defsym parameter to
8380         constructor; change all callers.
8381         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8382         parameter.  Change all callers.  Add is_defsym_ field.
8383         (class Parser_closure): Add parsing_defsym parameter to
8384         constructor; change all callers.  Add parsing_defsym accessor
8385         function.  Add parsing_defsym_ field.
8386
8387 2009-12-28  Ian Lance Taylor  <iant@google.com>
8388
8389         * gold.cc (queue_middle_tasks): Fix formatting.
8390         * object.cc (Relobj::is_section_name_included): Likewise.
8391
8392 2009-12-23  Ian Lance Taylor  <iant@google.com>
8393
8394         * i386.cc (Target_i386::do_calls_non_split): Recognize
8395         -fsplit-stack prologue for a function with a static chain.
8396         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8397         -fsplit-stack prologue when using %r11.
8398
8399 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8400
8401         * options.cc (General_options::parse_version): Make -v continue and do
8402         the link like GNU ld does.
8403
8404 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8405
8406         * Makefile.am (CCFILES): Add timer.cc.
8407         (HFILES): Add timer.h.
8408         * configure.ac: Check for sysconf and times.
8409         * main.cc: include timer.h.
8410         (main): Use Timer instead of get_run_time.
8411         * timer.cc: New.
8412         * timer.h: New.
8413         * workqueue.cc: include timer.h.
8414         (Workqueue::find_and_run_task):
8415         Report user, sys and wall time.
8416         * Makefile.in: Regenerate.
8417         * config.in: Regenerate.
8418         * configure: Regenerate.
8419
8420 2009-12-16  Doug Kwan  <dougkwan@google.com>
8421
8422         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8423         sections.
8424         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8425         relaxed input sections.
8426         * output.cc (Output_section::find_relaxed_input_section): Change
8427         return type to Output_relaxed_input_section pointer.  Adjust code
8428         for new type of relaxed_input_section_map_.
8429         * output.h (Output_section::find_relaxed_input_section): Change
8430         return type to Output_relaxed_input_section pointer.
8431         (Output_section::Output_relaxed_input_section_by_input_section_map):
8432         New type.
8433         (Output_section::relaxed_input_section_map_): Change type to
8434         Output_section::Output_relaxed_input_section_by_input_section_map.
8435         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8436         input section.
8437
8438 2009-12-15  Ian Lance Taylor  <iant@google.com>
8439
8440         * layout.cc (Layout::create_shstrtab): Only write out after input
8441         sections if we are compressing debug sections.
8442
8443 2009-12-15  Ian Lance Taylor  <iant@google.com>
8444
8445         * archive.cc (Archive::add_symbols): Only look up a symbol without
8446         a version if there is, in fact, a version.
8447
8448 2009-12-14  Ian Lance Taylor  <iant@google.com>
8449
8450         Revert -Wshadow changes, all changes from:
8451         2009-12-11  Doug Kwan  <dougkwan@google.com>
8452         2009-12-11  Nick Clifton  <nickc@redhat.com>
8453         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8454
8455 2009-12-11  Doug Kwan  <dougkwan@google.com>
8456
8457         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8458         due to -Wshadow.
8459         * attributes.cc (Object_attribute::size): Ditto.
8460         (Attributes_section_data::size): Ditto.
8461         (Attributes_section_data::Attributes_section_data): Ditto.
8462         (Output_attributes_section_data::do_write): Ditto.
8463         * attributes.h (Object_attribute::set_type): Ditto.
8464         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8465
8466 2009-12-11  Nick Clifton  <nickc@redhat.com>
8467
8468         * archive.cc: Fix shadowed variable warnings.
8469         * arm.cc: Likewise.
8470         * compressed_output.cc: Likewise.
8471         * compressed_output.h: Likewise.
8472         * configure: Likewise.
8473         * dwarf_reader.cc: Likewise.
8474         * dynobj.cc: Likewise.
8475         * dynobj.h: Likewise.
8476         * ehframe.cc: Likewise.
8477         * ehframe.h: Likewise.
8478         * errors.cc: Likewise.
8479         * expression.cc: Likewise.
8480         * fileread.cc: Likewise.
8481         * fileread.h: Likewise.
8482         * freebsd.h: Likewise.
8483         * i386.cc: Likewise.
8484         * icf.cc: Likewise.
8485         * incremental.h: Likewise.
8486         * layout.cc: Likewise.
8487         * layout.h: Likewise.
8488         * mapfile.cc: Likewise.
8489         * merge.cc: Likewise.
8490         * merge.h: Likewise.
8491         * object.cc: Likewise.
8492         * object.h: Likewise.
8493         * options.h: Likewise.
8494         * output.cc: Likewise.
8495         * output.h: Likewise.
8496         * parameters.cc: Likewise.
8497         * plugin.cc: Likewise.
8498         * powerpc.cc: Likewise.
8499         * reduced_debug_output.cc: Likewise.
8500         * reduced_debug_output.h: Likewise.
8501         * reloc.cc: Likewise.
8502         * reloc.h: Likewise.
8503         * resolve.cc: Likewise.
8504         * script-sections.cc: Likewise.
8505         * script.cc: Likewise.
8506         * script.h: Likewise.
8507         * sparc.cc: Likewise.
8508         * symtab.cc: Likewise.
8509         * symtab.h: Likewise.
8510         * target-select.cc: Likewise.
8511         * target-select.h: Likewise.
8512         * token.h: Likewise.
8513         * workqueue.cc: Likewise.
8514         * workqueue.h: Likewise.
8515         * x86_64.cc: Likewise.
8516
8517 2009-12-10  Doug Kwan  <dougkwan@google.com>
8518
8519         * arm.cc (attributes.h): New include.
8520         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8521         (Arm_relobj::~Arm_relobj): Delete object pointed by
8522         attributes_section_data_.
8523         (Arm_relobj::attributes_section_data): New method definition.
8524         (Arm_relobj::attributes_section_data_): New data member declaration.
8525         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8526         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8527         attributes_section_data_.
8528         (Arm_dynobj::attributes_section_data): New method definition.
8529         (Arm_dynobj::attributes_section_data_): New data member declaration.
8530         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8531         initialization value of may_use_blx_ to false.
8532         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8533         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8534         object attributes to compute results instead of hard-coding.
8535         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8536         Target_arm::get_secondary_compatible_arch,
8537         Target_arm::set_secondary_compatible_arch
8538         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8539         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8540         New method declarations.
8541         (Target_arm::get_aeabi_object_attribute): New method definition.
8542         (Target_arm::attributes_section_data_): New data member declaration.
8543         (read_arm_attributes_section): New template definition.
8544         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8545         (Arm_dynobj::do_read_symbols): Ditto.
8546         (Target_arm::do_finalize_sections): Merge attributes sections from
8547         input.  Check for BLX use after attributes section merging.
8548         Fix __exidx_start and __exidx_end visibility.  Create an
8549         .ARM.attributes section if necessary.
8550         (Target_arm::get_secondary_compatible_arch,
8551         Target_arm::set_secondary_compatible_arch,
8552         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8553         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8554         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8555         New method definitions.
8556
8557 2009-12-09  Ian Lance Taylor  <iant@google.com>
8558
8559         * plugin.cc (Plugin::load): Don't cast from void* to a function
8560         pointer.
8561
8562 2009-12-09  Ian Lance Taylor  <iant@google.com>
8563
8564         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8565         information fields.
8566
8567 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8568
8569         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8570         Replace two_file_shared_1.so with two_file_shared_2.so.
8571         * testsuite/Makefile.in: Regenerated.
8572
8573 2009-12-08  Doug Kwan  <dougkwan@google.com>
8574
8575         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8576         (HFILES): Add attributes.h and int_encoding.h.
8577         * Makefile.in: Regenerate.
8578         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8579         function definitions to int_encoding.cc
8580         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8581         prototypes to int_encoding.h
8582         * reduced_debug_output.cc (int_encoding.h): New include.
8583         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8584         function definitions to int_encoding.cc
8585         (insert_into_vector, read_from_pointer): Move template definitions to
8586         int_encoding.h
8587         * attributes.cc: New file.
8588         * attributes.h: New file.
8589         * int_encoding.cc: New file.
8590         * int_encoding.h: New file.
8591
8592 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8593
8594         PR gold/11055
8595         * incremental-dump.cc (dump_incremental_inputs): New.
8596         (main): Use dump_incremental_inputs.
8597
8598 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8599
8600         PR gold/10893
8601         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8602         checking elfcpp::STT_FUNC.
8603         (Target_i386::Relocate::relocate): Likewise.
8604         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8605
8606         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8607         symbols from shared libraries into normal FUNC symbols.
8608
8609         * symtab.h (Symbol): Add is_func and use it.
8610
8611 2009-12-05  Doug Kwan  <dougkwan@google.com>
8612
8613         * arm.cc (Target_arm::arm_info): Initialize new fields
8614         attributes_section and attributes_vendor.
8615         * i386.cc (Target_i386::i386_info): Same.
8616         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8617         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8618         fields attributes_section and attributes_vendor.
8619         * sparc.cc (Target_sparc::sparc_info): Same.
8620         * target.h (Target::attributes_section, Target::attributes_vendor,
8621         Target::is_attributes_section, Target::attribute_arg_type,
8622         Target::attributes_order): New method definitions.
8623         (Target::Target_info::attributes_section,
8624         Target::Target_info::attributes_vendor): New fields.
8625         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8626         virtual method definitions.
8627         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8628         attributes_section and attributes_vendor.
8629         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8630
8631 2009-12-05  Doug Kwan  <dougkwan@google.com>
8632
8633         * arm.cc: Update comments about interworking and stub generation.
8634         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8635         considered as non-PIC.
8636         (Arm_relocate_functions::base_abs): Fix formatting.
8637         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8638         of function to use GOT entry address instead of offset.
8639         (Target_arm::Scan::global): Issue an error if a symbol would need a
8640         PLT does not get one because it is untyped.  Remove code to create
8641         dynamic symbols for relative branches.
8642         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8643         takes unsigned integer instead of boolean.
8644
8645 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8646
8647         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8648         (two_file_test_LDADD): Likewise.
8649         (common_test_1_LDADD): Likewise.
8650         (exception_test_LDADD) Likewise.
8651         (weak_test_LDADD): Likewise.
8652         (many_sections_test_LDADD): Likewise.
8653         (initpri1_LDADD): Likewise.
8654         (script_test_1_LDADD): Likewise.
8655         (script_test_2_LDADD): Likewise.
8656         (justsyms_LDADD): Likewise.
8657         (binary_test_LDADD): Likewise.
8658         (large_LDADD): Likewise.
8659         * testsuite/Makefile.in: Regenerated.
8660
8661 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8662
8663         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8664         (Symbol_table::override_with_special): Likewise.
8665         (Symbol_table::add_from_object): Likewise.
8666
8667 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8668
8669         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8670         Don't set the data_offset twice.
8671
8672 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8673
8674         * testsuite/Makefile.in: Regenerate.
8675
8676 2009-12-03  Doug Kwan  <dougkwan@google.com>
8677
8678         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8679         (Target_arm::do_finalize_sections): Add parameter for symbol table
8680         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8681         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8682         parameter for symbol table pointer.
8683         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8684         an additional parameter for a pointer to symbol table.
8685         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8686         parameter for a symbol table pointer.
8687         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8688         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8689         Ditto.
8690         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8691         parameter for a symbol table pointer.
8692
8693 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8694
8695         * incremental.cc (Incremental_inputs_header)
8696         (Incremental_inputs_header_write, Incremental_inputs_entry)
8697         (Incremental_inputs_entry_write): Move ...
8698         * incremental.h (Incremental_inputs_header)
8699         (Incremental_inputs_header_write, Incremental_inputs_entry)
8700         (Incremental_inputs_entry_write): here.
8701
8702 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8703
8704         * incremental.cc (make_sized_incremental_binary): Set the target.
8705         Error if it is incompatible.
8706         * output.h (Output_file): Add filename method.
8707
8708 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8709
8710         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8711         from the get_* methods.
8712
8713 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8714
8715         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8716         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8717         Write 0 for the data_offset of scripts.
8718
8719 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8720
8721         * testsuite/Makefile.am: Add the incremental_test.sh test.
8722         * testsuite/incremental_test.sh: New.
8723         * testsuite/incremental_test_1.c: New.
8724         * testsuite/incremental_test_2.c: New.
8725
8726 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8727
8728         * incremental-dump.cc (main): Fix typos.
8729
8730 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8731
8732         PR gold/11025
8733         * incremental-dump.cc (main): Use llu to print 64 bit values.
8734
8735 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8736             H.J. Lu  <hongjiu.lu@intel.com>
8737
8738         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8739         $(LIBDL).
8740         (incremental_dump_LDADD): Likewise.
8741         * Makefile.in: Regenerated.
8742
8743 2009-11-25  Doug Kwan  <dougkwan@google.com>
8744
8745         Revert:
8746
8747         2009-11-25  Doug Kwan  <dougkwan@google.com>
8748
8749                 * arm.cc (Target_arm::Target_arm): Move method definition
8750                 outside of class definition.  Add code to handle
8751                 --target1-rel, --target1-abs and --target2= options.
8752                 (Target_arm::get_reloc_reloc_type): Change method to be
8753                 non-static and const.
8754                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8755                 New data member declaration.
8756                 (Target_arm::Scan::local, Target_arm::Scan::global,
8757                 Target_arm::Relocate::relocate,
8758                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8759                 Adjust call to Target_arm::get_real_reloc_type.
8760                 (Target_arm::get_real_reloc_type): Use command line options
8761                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8762                 * options.h (--target1-rel, --target1-abs, --target2): New
8763                 ARM-only options.
8764
8765 2009-11-25  Doug Kwan  <dougkwan@google.com>
8766
8767         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8768         class definition.  Add code to handle --target1-rel, --target1-abs
8769         and --target2= options.
8770         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8771         and const.
8772         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8773         member declaration.
8774         (Target_arm::Scan::local, Target_arm::Scan::global,
8775         Target_arm::Relocate::relocate,
8776         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8777         call to Target_arm::get_real_reloc_type.
8778         (Target_arm::get_real_reloc_type): Use command line options to
8779         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8780         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8781         options.
8782
8783 2009-11-25  Doug Kwan  <dougkwan@google.com>
8784
8785         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8786         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8787         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8788         formatting.
8789         (Arm_relocate_functions::thm_call): Replace body with a call to
8790         Arm_relocate_functions::thumb_branch_common.
8791         (Arm_relocate_functions::thm_jump24,
8792         Arm_relocate_functions::thm_xpc22): New method definitions.
8793         (Arm_relocate_functions::thumb_branch_common): New method definition.
8794         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8795         operator.
8796         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8797         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8798
8799 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8800
8801         * Makefile.am: Build incremental-dump
8802         * Makefile.in: Regenerate.
8803         * incremental-dump.cc: New.
8804         * incremental.cc (Incremental_inputs_header_data,
8805         Incremental_inputs_entry_data): Move to incremental.h
8806         * incremental.h: (Incremental_inputs_header_data,
8807         Incremental_inputs_entry_data): Move from incremental.cc
8808
8809 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8810
8811         * incremental.cc (Incremental_inputs_header,
8812         Incremental_inputs_header_write, Incremental_inputs_entry,
8813         Incremental_inputs_entry_write): Add a typedef with the data type.
8814
8815 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8816
8817         * incremental.cc (Incremental_inputs_header,
8818         Incremental_inputs_header_write, Incremental_inputs_entry,
8819         Incremental_inputs_entry_write): Update comment about which
8820         type has the filed descriptions.
8821
8822 2009-11-15  Doug Kwan  <dougkwan@google.com>
8823
8824         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8825         (Arm_relocate_functions::arm_branch_common): Change method defintion
8826         in class definition to a method declaration and update list of formal
8827         parameters.
8828         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8829         Arm_relocation_functions::jump24): Adjust call to
8830         Arm_relocate_functions::arm_branch_common.  Update list of formal
8831         parameters.
8832         (Arm_relocate_functions::xpc25): New method definition.
8833         (Arm_relocate_functions::arm_branch_common): Move method defintion
8834         out from class definition.  Use stubs for mode-switching and extending
8835         branch ranges.
8836         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8837         specially.  Change code to enable use of stubs in ARM branches.
8838
8839 2009-11-10  Doug Kwan  <dougkwan@google.com>
8840
8841         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8842         in method declaration.
8843         (Target_arm::relocate_stub): New method declaration.
8844         (Target_arm::default_target): Change to return a pointer instead of
8845         a const reference.
8846         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8847         Target_arm::default_target.
8848         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8849         method definition.
8850         (Target_arm::relocate_section): Adjust view.
8851         (Target_arm::relocate_stub): New method definition.
8852
8853 2009-11-10  Doug Kwan  <dougkwan@google.com>
8854
8855         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8856         a format warning.
8857         * incremental.cc (open_incremental_binary): Initialized local
8858         variables to avoid warnings.
8859         * object.cc (make_elf_object): Ditto.
8860         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8861         a format warning.
8862
8863 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8864
8865         PR gold/10930
8866         * testsuite/plugin_test.c: Include "config.h".
8867
8868 2009-11-09  Doug Kwan  <dougkwan@google.com>
8869
8870         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8871         (arm_symbol_value): Remove.
8872         (Arm_relocate_functions::arm_branch_common,
8873         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8874         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8875         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8876         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8877         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8878         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8879         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8880         Arm_relocate_functions::thm_mobw_abs_nc,
8881         Arm_relocate_functions::thm_mov_abs,
8882         Arm_relocate_functions::movw_prel_nc,
8883         Arm_relocate_functions::thm_movt_abs,
8884         Arm_relocate_functions::movt_prel,
8885         Arm_relocate_functions::thm_movw_prel_nc,
8886         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8887         (Target_arm::Relocate::relocate): Only decompose address into two
8888         parts if relocation type uses the thumb-bit and pass the actual
8889         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8890         calls to methods in Arm_relocate_functions for this change.
8891
8892 2009-11-08  Ian Lance Taylor  <iant@google.com>
8893
8894         PR 10925
8895         * reloc.cc: Instantiate
8896         Sized_relobj::initialize_input_to_output_maps and
8897         Sized_relobj:free_input_to_output_maps.
8898
8899 2009-11-06  Ian Lance Taylor  <iant@google.com>
8900
8901         PR 10876
8902         * defstd.cc (in_segment): Set only_if_ref true for "end".
8903
8904 2009-11-06  Doug Kwan  <dougkwan@google.com>
8905
8906         * arm.cc (class Reloc_stub): Correct a comment.
8907         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8908         (Target_arm::scan_section_for_stubs): New method declaration.
8909         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8910         Change methods from private to protected.
8911         (Target_arm::do_may_relax): New method definition.
8912         (Target_arm::do_relax, Target_arm::group_sections,
8913         Target_arm::scan_reloc_for_stub,
8914         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8915         (Target_arm::arm_input_section_map_): New data member declaration.
8916         (Target_arm::scan_reloc_for_stub,
8917         Target_arm::scan_reloc_section_for_stubs,
8918         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8919         Target_arm::do_relax): New method definitions.
8920
8921 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8922
8923         * configure.ac: Check for (struct stat)::st_mtim
8924         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8925         * config.in: Regenerate.
8926         * configure: Regenerate.
8927
8928 2009-11-05  Ian Lance Taylor  <iant@google.com>
8929
8930         PR 10910
8931         * output.cc (Output_segment::add_output_section): Add missing
8932         return statement.
8933
8934 2009-11-04  Ian Lance Taylor  <iant@google.com>
8935
8936         PR 10880
8937         * object.h (class Object): Add is_needed and set_is_needed
8938         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8939         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8940         defined in a dynamic object and referenced by a regular object,
8941         set is_needed for the dynamic object.
8942         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8943         if the file is marked with as_needed and it is not needed.
8944
8945 2009-11-04  Ian Lance Taylor  <iant@google.com>
8946
8947         PR 10887
8948         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8949         tags if data is discarded by linker script.
8950         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8951         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8952         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8953         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8954
8955 2009-11-04  Ian Lance Taylor  <iant@google.com>
8956
8957         * layout.cc (Layout::get_output_section): Add is_interp and
8958         is_dynamic_linker_section parameters.  Change all callers.
8959         (Layout::choose_output_section): Likewise.
8960         (Layout::make_output_section): Likewise.
8961         (Layout::add_output_section_data): Add is_dynamic_linker_section
8962         parameter.  Change all callers.
8963         * layout.h (class Layout): Update declarations.
8964         * output.h (class Output_section): Add is_interp, set_is_interp,
8965         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8966         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8967         generate_code_fills_at_write_ to a bitfield.
8968         * output.cc (Output_section::Output_sections): Initialize new
8969         fields.
8970         (Output_segment::add_output_section): Add do_sort parameter.
8971         Change all callers.
8972
8973 2009-11-03  Ian Lance Taylor  <iant@google.com>
8974
8975         PR 10860
8976         * options.h (class General_options): Add --warn-common.
8977         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8978         merging two common symbols.
8979         (Symbol_table::should_override): Handle --warn-common when merging
8980         a common symbol with a defined symbol.  Use report_resolve_problem
8981         for multiple definitions.
8982         (Symbol_table::report_resolve_problem): New function.
8983         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8984
8985 2009-11-03  Doug Kwan  <dougkwan@google.com>
8986
8987         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8988         stub_factory_.
8989         (Target_arm::stub_factory): New method definition.
8990         (Target_arm::new_arm_input_section,
8991         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8992         Target_arm::reloc_uses_thumb_bit): New method declarations.
8993         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8994         New type definitions.
8995         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8996         member declarations.
8997         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8998         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8999         New method definitions.
9000
9001 2009-11-03  Ian Lance Taylor  <iant@google.com>
9002
9003         * options.h (class General_options): Add --warn_constructors.
9004
9005 2009-11-03  Ian Lance Taylor  <iant@google.com>
9006
9007         PR 10893
9008         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9009         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9010
9011 2009-11-03  Ian Lance Taylor  <iant@google.com>
9012
9013         PR 10895
9014         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9015         --msgid-bugs-address.
9016         (install-pdf): New target.
9017         (install-data_yes): Look up one directory to find mkinstalldirs.
9018
9019 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9020
9021         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9022         tree.
9023
9024 2009-10-30  Doug Kwan  <dougkwan@google.com>
9025
9026         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9027
9028 2009-10-30  Doug Kwan  <dougkwan@google.com>
9029
9030         * arm.cc (Stub_addend_reader): New struct template definition
9031         and partial specializations.
9032         (Stub_addend_reader::operator()): New method definition for a
9033         partially specialized template.
9034
9035 2009-10-30  Doug Kwan  <dougkwan@google.com>
9036
9037         * arm.cc (Arm_relobj::processor_specific_flags): New method
9038         definition.
9039         (Arm_relobj::do_read_symbols): New method declaration.
9040         (Arm_relobj::processor_specific_flags_): New data member declaration.
9041         (Arm_dynobj): New class definition.
9042         (Target_arm::do_finalize_sections): Add input_objects parameter.
9043         (Target_arm::do_adjust_elf_header): New method declaration.
9044         (Target_arm::are_eabi_versions_compatible,
9045         (Target_arm::merge_processor_specific_flags): New method declaration.
9046         (Target_arm::do_make_elf_object): New overloaded method definitions
9047         and declaration.
9048         (Arm_relobj::do_read_symbols): New method definition.
9049         (Arm_dynobj::do_read_symbols): Ditto.
9050         (Target_arm::do_finalize_sections): Add input_objects parameters.
9051         Merge processor-specific flags from all input objects.
9052         (Target_arm::are_eabi_versions_compatible,
9053         Target_arm::merge_processor_specific_flags,
9054         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9055         New method definitions.
9056         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9057         Input_objects pointer type parameter.
9058         * layout.cc (Layout::finalize): Pass input objects to target's.
9059         finalize_sections function.
9060         * output.cc (Output_file_header::do_sized_write): Set ELF file
9061         header's processor-specific flags.
9062         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9063         Input_objects pointer type parameter.
9064         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9065         * target.h (Input_objects): New forward class declaration.
9066         (Target::processor_specific_flags,
9067         Target::are_processor_specific_flags_sect): New method definitions.
9068         (Target::finalize_sections): Add input_objects parameter.
9069         (Target::Target): Initialize processor_specific_flags_ and
9070         are_processor_specific_flags_set_.
9071         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9072         parameter.
9073         (Target::set_processor_specific_flags): New method definition.
9074         (Target::processor_specific_flags_,
9075         Target::are_processor_specific_flags_set_): New data member
9076         declarations.
9077         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9078         Input_objects pointer type parameter.
9079
9080 2009-10-30  Doug Kwan  <dougkwan@google.com>
9081
9082         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9083
9084 2009-10-28  Ian Lance Taylor  <iant@google.com>
9085
9086         * object.h (class Relobj): Drop options parameter from
9087         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9088         do_scan_relocs, do_relocate.  Change all callers.
9089         (class Sized_relobj): Drop options parameters from
9090         do_gc_process_relocs, do_scan_relocs, do_relocate,
9091         do_relocate_sections, relocate_sections, emit_relocs_scan,
9092         emit_relocs_scan_reltype.  Change all callers.
9093         (struct Relocate_info): Remove options field and all references to
9094         it.
9095         * reloc.h (class Read_relocs): Remove options constructor
9096         parameter and options_ field.  Change all callers.
9097         (class Gc_process_relocs, class Scan_relocs): Likewise.
9098         (class Relocate_task): Likewise.
9099         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9100         all callers.
9101         (scan_relocatable_relocs): Likewise.
9102         * target.h (class Sized_target): Remove options parameter from
9103         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9104         all callers.
9105         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9106         callers.
9107         * arm.cc: Update functions to remove options parameters.
9108         * i386.cc: Likewise.
9109         * powerpc.cc: Likewise.
9110         * sparc.cc: Likewise.
9111         * x86_64.cc: Likewise.
9112         * testsuite/testfile.cc: Likewise.
9113
9114 2009-10-28  Doug Kwan  <dougkwan@google.com>
9115
9116         * arm.cc (Arm_relobj): New class definition.
9117         (Arm_relobj::scan_sections_for_stubs,
9118         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9119         New method definitions.
9120
9121 2009-10-28  Cary Coutant  <ccoutant@google.com>
9122
9123         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9124         (Plugin::cleanup_done_): New member.
9125         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9126         (Plugin_manager::cleanup_done_): Remove.
9127         (Plugin_manager::add_input_file): Edit error message.
9128         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9129         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9130
9131 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9132
9133         * fileread.cc: (File_read::View::~View): Use the new
9134         data_ownership_ filed.
9135         (File_read::~File_read): Dispose the new whole_file_view_.
9136         (File_read::open): Mmap the whole file if needed.
9137         (File_read::open): Use whole_file_view_ instead of contents_.
9138         (File_read::find_view): Use whole_file_view_ if applicable.
9139         (File_read::do_read): Use whole_file_view_ instead of contents_.
9140         (File_read::make_view): Use whole_file_view_ instead of contents_,
9141         update File_read::View::View call.
9142         (File_read::find_or_make_view): Update File_read::View::View
9143         call.
9144         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9145         remove contents_
9146         (File_read::View::Data_ownership): New enum.
9147         (File_read::View::View): Replace bool mapped_ with Data_ownership
9148         argument.
9149         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9150         (File_read::View::data_ownership_): New field.
9151         (File_read::contents_): Remove (replaced by whole_file_view_).
9152         (File_read::whole_file_view_): New field.
9153         * options.h (class General_options): Add --keep-files-mapped.
9154
9155 2009-10-27  Cary Coutant  <ccoutant@google.com>
9156
9157         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9158         * testsuite/Makefile.am (plugin_test_5): New test case.
9159         * testsuite/Makefile.in: Regenerate.
9160
9161 2009-10-25  Doug Kwan  <dougkwan@google.com>
9162
9163         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9164         from private to protected to allow access by child class.
9165         (Sized_relobj::do_relocate_sections): New method declaration.
9166         (Sized_relobj::relocate_sections): Virtualize.
9167         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9168         Sized_relobj::relocate_sections.  Instantiate template explicitly
9169         for different target sizes and endianity.
9170
9171 2009-10-24  Doug Kwan  <dougkwan@google.com>
9172
9173         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9174         (Arm_input_section::as_arm_input_section): New method.
9175         (Arm_output_section): New class definition.
9176         (Arm_output_section::create_stub_group,
9177         Arm_output_section::group_sections): New method definitions.
9178
9179 2009-10-22  Doug Kwan  <dougkwan@google.com>
9180
9181         * arm.cc (Arm_input_section): New class definition.
9182         (Arm_input_section::init, Arm_input_section:do_write,
9183         Arm_input_section::set_final_data_size,
9184         Arm_input_section::do_reset_address_and_file_offset): New method
9185         definitions.
9186
9187 2009-10-21  Doug Kwan  <dougkwan@google.com>
9188
9189         * arm.cc (Stub_table, Arm_input_section): New forward class
9190         declarations.
9191         (Stub_table): New class defintion.
9192         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9193         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9194         New method definition.
9195
9196 2009-10-21  Doug Kwan  <dougkwan@google.com>
9197
9198         * arm.cc: Update copyright comments.
9199         (Target_arm): New forward class template declaration.
9200         (Arm_address): New type.
9201         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9202         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9203         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9204         constants.
9205         (Insn_template): Same.
9206         (DEF_STUBS): New macro.
9207         (Stub_type): New enum type.
9208         (Stub_template): New class definition.
9209         (Stub): Same.
9210         (Reloc_stub): Same.
9211         (Stub_factory): Same.
9212         (Target_arm::Target_arm): Initialize may_use_blx_ and
9213         should_force_pic_veneer_.
9214         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9215         Target_arm::should_force_pic_veneer,
9216         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9217         Target_arm::using_thumb_only, Target_arm:;default_target): New
9218         method defintions.
9219         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9220         New data member declarations.
9221         (Insn_template::size, Insn_template::alignment): New method defintions.
9222         (Stub_template::Stub_template): New method definition.
9223         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9224         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9225         (Stub_factory::Stub_factory): New method definition.
9226         * gold.h (string_hash): New template.
9227         * output.h (Input_section_specifier::hash_value): Use
9228         gold::string_hash.
9229         (Input_section_specifier::string_hash): Remove.
9230         * stringpool.cc (Stringpool_template::string_hash): Use
9231         gold::string_hash.
9232
9233 2009-10-20  Doug Kwan  <dougkwan@google.com>
9234
9235         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9236         symbols of relaxed input sections.
9237         * output.h (Output_section::find_relaxed_input_section): Make
9238         method public.
9239
9240 2009-10-16  Doug Kwan  <dougkwan@google.com>
9241
9242         * dynobj.cc (Versions::Versions): Initialize version_script_.
9243         Only insert base version symbol definition for a shared object
9244         if version script defines any version versions.
9245         (Versions::define_base_version): New method definition.
9246         (Versions::add_def): Check that base version is not needed.
9247         (Versions::add_need): Define base version lazily.
9248         * dynobj.h (Versions::define_base_version): New method declaration.
9249         (Versions::needs_base_version_): New data member declaration.
9250         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9251         (check_DATA): Add no_version_test.stdout.
9252         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9253         New make rules.
9254         * testsuite/Makefile.in: Regenerate.
9255         * testsuite/no_version_test.c: New file.
9256         * testsuite/no_version_test.sh: Ditto.
9257
9258 2009-10-16  Doug Kwan  <dougkwan@google.com>
9259
9260         * expression.cc (class Segment_start_expression): New class definition.
9261         (Segment_start_expression::value): New method definition.
9262         (script_exp_function_segment_start): Return a new
9263         Segment_start_expression.
9264         * gold/script-c.h (script_saw_segment_start_expression): New function
9265         prototype.
9266         * script-sections.cc (Script_sections::Script_sections): Initialize
9267         SAW_SEGMENT_START_EXPRESSION_ to false.
9268         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9269         and -Tbbs options to specify section addresses if given in
9270         command line and no SEGMENT_START expression is seen in a script.
9271         * script-sections.h (Script_sections::saw_segment_start_expression,
9272         Script_sections::set_saw_segment_start_expression): New method
9273         definition.
9274         (Script_sections::saw_segment_start_expression_): New data member
9275         declaration.
9276         * script.cc (script_saw_segment_start_expression): New function.
9277         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9278         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9279         script_test_7.sh and script_test_8.sh.
9280         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9281         script_test_8.stdout.
9282         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9283         (script_test_6, script_test_6.stdout, script_test_7,
9284         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9285         * Makefile.in: Regenerate.
9286         * testsuite/script_test_6.sh: New file.
9287         * testsuite/script_test_6.t: Same.
9288         * testsuite/script_test_7.sh: Same.
9289         * testsuite/script_test_7.t: Same.
9290         * testsuite/script_test_8.sh: Same.
9291
9292 2009-10-16  Doug Kwan  <dougkwan@google.com>
9293
9294         * output.cc (Output_segment::set_section_list_address): Cast
9295         expressions to unsigned long long type to avoid format warnings.
9296
9297 2009-10-15  Ian Lance Taylor  <iant@google.com>
9298
9299         * script.cc (Script_options::add_symbol_assignment): Always add a
9300         dot assignment to script_sections_.
9301         * script-sections.cc (Script_sections::add_dot_assignment):
9302         Initialize if necessary.
9303
9304         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9305         program headers with no load segment if there is a linker script.
9306
9307         * layout.cc (Layout::set_segment_offsets): Align the file offset
9308         to the segment aligment for -N or -n with no load segment.
9309         * output.cc (Output_segment::add_output_section): Don't crash if
9310         the first section is a TLS section.
9311         (Output_segment::set_section_list_addresses): Print an error
9312         message if the address moves backward in a linker script.
9313         * script-sections.cc
9314         (Output_section_element_input::set_section_addresses): Don't
9315         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9316         (Orphan_output_section::set_section_addresses): Likewise.
9317
9318 2009-10-15  Doug Kwan  <dougkwan@google.com>
9319
9320         * layout.cc (Layout::finish_dynamic_section): Generate tags
9321         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9322         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9323         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9324
9325 2009-10-14  Ian Lance Taylor  <iant@google.com>
9326
9327         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9328         fields.
9329         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9330         data_shdr fields of relinfo.
9331         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9332         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9333         R_386_TLS_LDO_32, adjust based on section flags.
9334         (Target_i386::Relocate::fix_up_ldo): Remove.
9335
9336 2009-10-13  Ian Lance Taylor  <iant@google.com>
9337
9338         Add support for -pie.
9339         * options.h (class General_options): Add -pie and
9340         --pic-executable.
9341         (General_options::output_is_position_independent): Test -pie.
9342         (General_options::output_is_executable): Return true if not shared
9343         and not relocatable.
9344         (General_options::output_is_pie): Remove.
9345         * options.cc (General_options::finalize): Reject incompatible uses
9346         of -pie.
9347         * gold.cc (queue_middle_tasks): A -pie link is not static.
9348         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9349         * symtab.cc (Symbol::final_value_is_known): Return false if
9350         output_is_position_independent.
9351         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9352         output_is_position_independent.
9353         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9354         output_is_position_independent.
9355         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9356         output_is_position_independent.
9357         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9358         two_file_pie_test.
9359         (basic_pie_test.o, basic_pie_test): New targets.
9360         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9361         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9362         (two_file_pie_test): New target.
9363         * testsuite/Makefile.in: Rebuild.
9364         * README: Remove note saying that -pie is not supported.
9365
9366 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9367
9368         * options.h (class General_options): Add -init and -fini.
9369         * layout.cc (Layout::finish_dynamic_section): Emit
9370         given init and fini functions.
9371
9372 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9373
9374         * gc.h (gc_process_relocs): Check if icf is enabled using new
9375         function.
9376         * gold.cc (queue_initial_tasks): Likewise.
9377         (queue_middle_tasks): Likewise.
9378         * object.cc (do_layout): Likewise.
9379         * symtab.cc (is_section_folded): Likewise.
9380         * main.cc (main): Likewise.
9381         * reloc.cc (Read_relocs::run): Likewise.
9382         (Sized_relobj::do_scan_relocs): Likewise.
9383         * icf.cc (is_function_ctor_or_dtor): New function.
9384         (Icf::find_identical_sections): Check if function is ctor or dtor when
9385         safe icf is chosen.
9386         * options.h (General_options::icf): Change option to be an enum.
9387         (Icf_status): New enum.
9388         (icf_enabled): New method.
9389         (icf_safe_folding): New method.
9390         (set_icf_status): New method.
9391         (icf_status_): New variable.
9392         * (options.cc) (General_options::finalize): Set icf_status_.
9393         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9394         icf_test and icf_keep_unique_test to use the --icf enum flag.
9395         * testsuite/icf_safe_test.sh: New file.
9396         * testsuite/icf_safe_test.cc: New file.
9397
9398 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9399
9400         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9401         includes to gc.h and icf.h.
9402         * arm.cc: Include gc.h.
9403         * gold.cc: Likewise.
9404         * i386.cc: Likewise.
9405         * powerpc.cc: Likewise.
9406         * sparc.cc: Likewise.
9407         * x86_64.cc: Likewise.
9408         * gc.h: Include icf.h.
9409
9410 2009-10-11  Ian Lance Taylor  <iant@google.com>
9411
9412         * plugin.cc: Include "gold.h" before other header files.
9413
9414 2009-10-10  Chris Demetriou  <cgd@google.com>
9415
9416         * options.h (Input_file_argument::Input_file_type): New enum.
9417         (Input_file_argument::is_lib_): Replace with...
9418         (Input_file_argument::type_): New member.
9419         (Input_file_argument::Input_file_argument): Take Input_file_type
9420         'type' rather than boolean 'is_lib' as second argument.
9421         (Input_file_argument::is_lib): Use type_.
9422         (Input_file_argument::is_searched_file): New function.
9423         (Input_file_argument::may_need_search): Handle is_searched_file.
9424         * options.cc (General_options::parse_library): Support -l:filename.
9425         (General_options::parse_just_symbols): Update for Input_file_argument
9426         changes.
9427         (Command_line::process): Likewise.
9428         * archive.cc (Archive::get_file_and_offset): Likewise.
9429         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9430         * script.cc (read_script_file, script_add_file): Likewise.
9431         * fileread.cc (Input_file::Input_file): Likewise.
9432         (Input_file::will_search_for): Handle is_searched_file.
9433         (Input_file::open): Likewise.
9434         * readsyms.cc (Read_symbols::get_name): Likewise.
9435         * testsuite/Makefile.am (searched_file_test): New test.
9436         * testsuite/Makefile.in: Regenerate.
9437         * testsuite/searched_file_test.cc: New file.
9438         * testsuite/searched_file_test_lib.cc: New file.
9439
9440 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9441             Ian Lance Taylor  <iant@google.com>
9442
9443         * descriptor.cc: Include <cstdio> and "binary-io.h".
9444         (Descriptors::open): Open the files in binary mode always.
9445         * script.cc (Lex::get_token): Treat \r as whitespace.
9446
9447 2009-10-09  Ian Lance Taylor  <iant@google.com>
9448
9449         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9450
9451 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9452             Ian Lance Taylor  <iant@google.com>
9453
9454         * configure.ac: Check for readv function also.
9455         * fileread.cc (readv): Define if not HAVE_READV.
9456         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9457         does not exist.
9458         * config.in: Regenerate.
9459         * configure: Regenerate.
9460
9461 2009-10-09  Doug Kwan  <dougkwan@google.com>
9462
9463         * layout.cc (Layout::make_output_section): Call target hook to make
9464         ordinary output section.
9465         (Layout::finalize): Adjust parameter list of call the
9466         Target::may_relax().
9467         * layout.h (class Layout::section_list): New method.
9468         * merge.h (Output_merge_base::entsize): Change visibility to public.
9469         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9470         New methods.
9471         (Output_merge_string::do_is_string): New method.
9472         * object.cc (Sized_relobj::do_setup): renamed from
9473         Sized_relobj::set_up.
9474         * object.h (Sized_relobj::adjust_shndx,
9475         Sized_relobj::initializ_input_to_output_maps,
9476         Sized_relobj::free_input_to_output_maps): Change visibilities to
9477         protected.
9478         (Sized_relobj::setup): Virtualize.
9479         (Sized_relobj::do_setup): New method declaration.
9480         (Sized_relobj::invalidate_section_offset,
9481         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9482         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9483         * options.cc (parse_int): New function.
9484         * options.h (parse_int): New declaration.
9485         (DEFINE_int): New macro.
9486         (stub_group_size): New option.
9487         * output.cc (Output_section::Output_section): Initialize memebers
9488         merge_section_map_, merge_section_by_properties_map_,
9489         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9490         (Output_section::add_input_section): Handled deferred code-fill
9491         generation and remove an old comment.
9492         (Output_section::add_relaxed_input_section): New method definition.
9493         (Output_section::add_merge_input_section): Use merge section by
9494         properties map to speed to search.  Update merge section maps
9495         as appropriate.
9496         (Output_section::build_relaxation_map): New method definition.
9497         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9498         Same.
9499         (Output_section::relax_input_section): Renamed to
9500         Output_section::convert_input_sections_to_relaxed_sections and change
9501         interface to take a vector of pointers to relaxed sections.
9502         (Output_section::find_merge_section,
9503         Output_section::find_relaxed_input_section): New method definitions.
9504         (Output_section::is_input_address_mapped,
9505         Output_section::output_offset, Output_section::output_address):
9506         Use output section data maps to speed up searching.
9507         (Output_section::find_starting_output_address): Add comments.
9508         (Output_section::do_write,
9509         Output_section::write_to_postprocessing_buffer): Do code-fill
9510         generation as appropriate.
9511         (Output_section::get_input_sections): Invalidate relaxed input section
9512         map.
9513         (Output_section::restore_states): Adjust type of checkpoint .
9514         Invalidate relaxed input section map.
9515         * output.h (Output_merge_base): New class declaration.
9516         (Input_section_specifier): New class defintion.
9517         (class Output_relaxed_input_section) Change base class to
9518         Output_section_data_build.
9519         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9520         base class initializer.
9521         (Output_section::add_relaxed_input_section): New method declaration.
9522         (Output_section::Input_section): Change visibility to protected.
9523         (Output_section::Input_section::relobj,
9524         Output_section::Input_section::shndx): Handle relaxed input sections.
9525         Output_section::input_sections) Change visibility to protected.  Also
9526         define overload to return a non-const pointer.
9527         (Output_section::Merge_section_properties): New class defintion.
9528         (Output_section::Merge_section_by_properties_map,
9529         Output_section::Output_section_data_by_input_section_map,
9530         Output_section::Relaxation_map): New types.
9531         (Output_section::relax_input_section): Rename method to
9532         Output_section::convert_input_sections_to_relaxed_sections and change
9533         interface to take a vector of relaxed section pointers.
9534         (Output_section::find_merge_section,
9535         Output_section::find_relaxed_input_section,
9536         Output_section::build_relaxation_map,
9537         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9538         New method declarations.
9539         (Output_section::merge_section_map_
9540         Output_section::merge_section_by_properties_map_,
9541         Output_section::relaxed_input_section_map_,
9542         Output_section::is_relaxed_input_section_map_valid_,
9543         Output_section::generate_code_fills_at_write_): New data members.
9544         * script-sections.cc
9545         (Output_section_element_input::set_section_addresses): Call
9546         current_data_size and addralign methods of relaxed input sections.
9547         (Orphan_output_section::set_section_addresses): Call current_data_size
9548         and addralign methods of relaxed input sections.
9549         * symtab.cc (Symbol_table::compute_final_value): Extract template
9550         from the body of Symbol_table::sized_finalize_symbol.
9551         (Symbol_table::sized_finalized_symbol): Call
9552         Symbol_table::compute_final_value.
9553         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9554         (Symbol_table::compute_final_value): New templated method declaration.
9555         * target.cc (Target::do_make_output_section): New method defintion.
9556         * target.h (Target::make_output_section): New method declaration.
9557         (Target::relax): Add more parameters for input objects, symbol table
9558         and layout.  Adjust call to do_relax.
9559         (Target::do_make_output_section): New method declaration.
9560         (Target::do_relax): Add parameters for input objects, symbol table
9561         and layout.
9562
9563 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9564
9565         * pread.c: Include stdio.h.
9566
9567 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9568
9569         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9570         defined.
9571
9572 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9573
9574         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9575         Change read_shndx type to unsigned int.
9576         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9577         int.
9578         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9579         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9580         Change read_shndx type to unsigned int.
9581         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9582         int.
9583         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9584         * layout.cc (Layout::create_symtab_sections): Cast the result of
9585         local_symcount * symsize to off_t in the gold_assert.
9586
9587 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9588
9589         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9590         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9591         R_ARM_BASE_ABS.
9592         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9593         (Arm_relocate_functions::thm_abs5): New function.
9594         (Arm_relocate_functions::abs12): New function.
9595         (Arm_relocate_functions::abs16): New function.
9596         (Arm_relocate_functions::base_abs): New function.
9597         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9598         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9599         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9600         R_ARM_BASE_ABS.
9601         (Scan::global): Likewise.
9602         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9603         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9604         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9605         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9606         R_ARM_BASE_ABS.
9607
9608 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9609
9610         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9611         (Arm_relocate_functions::movt_prel): New function.
9612         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9613         (Arm_relocate_functions::thm_movt_prel): New function.
9614         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9615         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9616         (Scan::global, Relocate::relocate): Likewise.
9617         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9618
9619 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9620
9621         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9622         Incremental_checker.
9623         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9624         unsigned int.
9625         (class Incremental_inputs_header): New class.
9626         (Incremental_inputs_header_writer): Edit comment.
9627         (Incremental_inputs_entry): New class.
9628         (Incremental_inputs_entry_writer): Edit comment.
9629         (Sized_incremental_binary::do_find_incremental_inputs_section):
9630         Add *strtab_shndx parameter, fill it.
9631         (Sized_incremental_binary::do_check_inputs): New method.
9632         (Incremental_checker::can_incrementally_link_output_file): Use
9633         Sized_incremental_binary::check_inputs.
9634         (Incremental_inputs::report_command_line): Save command line in
9635         command_line_.
9636         * incremental.h:
9637         (Incremental_binary::find_incremental_inputs_section): New
9638         method.
9639         (Incremental_binary::do_find_incremental_inputs_section): Add
9640         strtab_shndx parameter.
9641         (Incremental_binary::do_check_inputs): New pure virtual method.
9642         (Sized_incremental_binary::do_check_inputs): Declare.
9643         (Incremental_checker::Incremental_checker): Add incremental_inputs
9644         parameter, use it to initialize incremental_inputs_.
9645         (Incremental_checker::incremental_inputs_): New field.
9646         (Incremental_checker::command_line): New method.
9647         (Incremental_checker::inputs): New method.
9648         (Incremental_checker::command_line_): New field.
9649
9650 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9651
9652         * incremental.cc: Include <cstdarg> and "target-select.h".
9653         (vexplain_no_incremental): New function.
9654         (explain_no_incremental): New function.
9655         (Incremental_binary::error): New method.
9656         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9657         method.
9658         (make_sized_incremental_binary): New function.
9659         (open_incremental_binary): New function.
9660         (can_incrementally_link_file): Add checks if output is ELF and has
9661         inputs section.
9662         * incremental.h: Include "elfcpp_file.h" and "output.h".
9663         (Incremental_binary): New class.
9664         (Sized_incremental_binary): New class.
9665         (open_incremental_binary): Declare.
9666         * object.cc (is_elf_object): Use
9667         elfcpp::Elf_recognizer::is_elf_file.
9668         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9669         * output.h (Output_file::filesize): New method.
9670
9671 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9672
9673         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9674         New function.
9675         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9676         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9677         function.
9678         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9679         function.
9680         (Arm_relocate_functions::movw_abs_nc): New function.
9681         (Arm_relocate_functions::movt_abs): New function.
9682         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9683         (Arm_relocate_functions::thm_movt_abs): New function.
9684         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9685         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9686         (Scan::global): Likewise.
9687         (Relocate::relocate): Likewise.
9688         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9689
9690 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9691
9692         * arm.cc (Arm_relocate_functions::got_prel) New function.
9693         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9694         (Relocate::relocate): Likewise.
9695         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9696
9697 2009-10-06  Ian Lance Taylor  <iant@google.com>
9698
9699         * options.h (class General_options): Define
9700         split_stack_adjust_size parameter.
9701         * object.h (class Object): Add uses_split_stack_ and
9702         has_no_split_stack_ fields.  Add uses_split_stack and
9703         has_no_split_stack accessor functions.  Declare
9704         handle_split_stack_section.
9705         (class Reloc_symbol_changes): Define.
9706         (class Sized_relobj): Define Function_offsets.  Declare
9707         split_stack_adjust, split_stack_adjust_reltype, and
9708         find_functions.
9709         * object.cc (Object::handle_split_stack_section): New function.
9710         (Sized_relobj::do_layout): Call handle_split_stack_section.
9711         * dynobj.cc (Sized_dynobj::do_layout): Call
9712         handle_split_stack_section.
9713         * reloc.cc (Sized_relobj::relocate_sections): Call
9714         split_stack_adjust for executable sections in split_stack
9715         objects.  Pass reloc_map to relocate_section.
9716         (Sized_relobj::split_stack_adjust): New function.
9717         (Sized_relobj::split_stack_adjust_reltype): New function.
9718         (Sized_relobj::find_functions): New function.
9719         * target-reloc.h: Include "object.h".
9720         (relocate_section): Add reloc_symbol_changes parameter.  Change
9721         all callers.
9722         * target.h (class Target): Add calls_non_split method.  Declare
9723         do_calls_non_split virtual method.  Declare match_view and
9724         set_view_to_nop.
9725         * target.cc: Include "elfcpp.h".
9726         (Target::do_calls_non_split): New function.
9727         (Target::match_view): New function.
9728         (Target::set_view_to_nop): New function.
9729         * gold.cc (queue_middle_tasks): Give an error if mixing
9730         split-stack and non-split-stack objects with -r.
9731         * i386.cc (Target_i386::relocate_section): Add
9732         reloc_symbol_changes parameter.
9733         (Target_i386::do_calls_non_split): New function.
9734         * x86_64.cc (Target_x86_64::relocate_section): Add
9735         reloc_symbol_changes parameter.
9736         (Target_x86_64::do_calls_non_split): New function.
9737         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9738         parameter.
9739         * powerpc.cc (Target_powerpc::relocate_section): Add
9740         reloc_symbol_changes parameter.
9741         * sparc.cc (Target_sparc::relocate_section): Add
9742         reloc_symbol_changes parameter.
9743         * configure.ac: Call AM_CONDITIONAL for the default target.
9744         * configure: Rebuild.
9745         * testsuite/Makefile.am (TEST_AS): New variable.
9746         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9747         (check_DATA): Add split_i386 and split_x86_64 files.
9748         (SPLIT_DEFSYMS): Define.
9749         (split_i386_[1234n].o): New targets.
9750         (split_i386_[124]): New targets.
9751         (split_i386_[1234r].stdout): New targets.
9752         (split_x86_64_[1234n].o): New targets.
9753         (split_x86_64_[124]): New targets.
9754         (split_x86_64_[1234r].stdout): New targets.
9755         (MOSTLYCLEANFILES): Add new executables.
9756         * testsuite/split_i386.sh: New file.
9757         * testsuite/split_x86_64.sh: New file.
9758         * testsuite/split_i386_1.s: New file.
9759         * testsuite/split_i386_2.s: New file.
9760         * testsuite/split_i386_3.s: New file.
9761         * testsuite/split_i386_4.s: New file.
9762         * testsuite/split_i386_n.s: New file.
9763         * testsuite/split_x86_64_1.s: New file.
9764         * testsuite/split_x86_64_2.s: New file.
9765         * testsuite/split_x86_64_3.s: New file.
9766         * testsuite/split_x86_64_4.s: New file.
9767         * testsuite/split_x86_64_n.s: New file.
9768         * testsuite/testfile.cc (Target_test): Update relocation_section
9769         function.
9770         * testsuite/Makefile.in: Rebuild.
9771
9772 2009-10-06  Ian Lance Taylor  <iant@google.com>
9773
9774         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9775         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9776         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9777         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9778         the address on ldo_addrs_.
9779         (Target_i386::Relocate::fix_up_ldo): New function.
9780
9781 2009-10-06   Rafael Espindola  <espindola@google.com>
9782
9783         * plugin.cc (add_input_library): New.
9784         (Plugin::load): Add add_input_library to tv.
9785         (Plugin_manager::add_input_file): Add the is_lib argument.
9786         (add_input_file): Update call to Plugin_manager::add_input_file.
9787         (add_input_library): New.
9788         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9789
9790 2009-09-30  Doug Kwan  <dougkwan@google.com>
9791
9792         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9793         symbol and call Symbol::may_need_copy_reloc to determine if
9794         a copy reloc is needed.
9795         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9796         nocopyreloc is given in command line.
9797         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9798         given in command line.
9799         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9800         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9801         of the removed Target_i386::may_need_copy_reloc.
9802         * options.h (copyreloc): New option with default value false.
9803         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9804         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9805         instead of the removed Target_powerpc::may_need_copy_reloc.
9806         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9807         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9808         instead of the removed Target_sparc::may_need_copy_reloc.
9809         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9810         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9811         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9812         instead of the removed Target_x86_64::may_need_copy_reloc.
9813
9814 2009-09-30  Ian Lance Taylor  <iant@google.com>
9815
9816         * object.h (class Object): Remove target_ field, and target,
9817         sized_target, and set_target methods.
9818         (Object::sized_target): Remove.
9819         (class Sized_relobj): Update declarations.  Remove sized_target.
9820         * object.cc (Sized_relobj::setup): Remove target parameter.
9821         Change all callers.
9822         (Input_objects::add_object): Don't do anything with the target.
9823         (make_elf_sized_object): Add punconfigured parameter.  Change all
9824         callers.  Set or test parameter target.
9825         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9826         Change all callers.
9827         * parameters.cc (Parameters::set_target): Change parameter type to
9828         be non-const.
9829         (Parameters::default_target): Remove.
9830         (set_parameters_target): Change parameter type to be non-const.
9831         (parameters_force_valid_target): New function.
9832         (parameters_clear_target): New function.
9833         * parameters.h (class Parameters): Update declarations.  Remove
9834         default_target method.  Add sized_target and clear_target
9835         methods.  Change target_ to be non-const.
9836         (set_parameters_target): Update declaration.
9837         (parameters_force_valid_target): Declare.
9838         (parameters_clear_target): Declare.
9839         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9840         as NULL if we aren't searching.
9841         (Add_symbols::run): Don't check for compatible target.
9842         * fileread.cc (Input_file::open_binary): Call
9843         parameters_force_valid_target.
9844         * gold.cc (queue_middle_tasks): Likewise.
9845         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9846         set_target on object.
9847         * dynobj.h (class Sized_dynobj): Update declarations.
9848         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9849         make_elf_object returns NULL.
9850         (Archive::include_member): Don't check whether object target is
9851         compatible.
9852         * output.cc (Output_section::add_input_section): Get target from
9853         parameters.
9854         (Output_section::relax_input_section): Likewise.
9855         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9856         parameters.
9857         (Sized_relobj::do_scan_relocs): Likewise.
9858         (Sized_relobj::relocate_sections): Likewise.
9859         * resolve.cc (Symbol_table::resolve): Likewise.
9860         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9861         parameter.  Change all callers.
9862         (Symbol_table::add_from_object): Get target from parameters.
9863         (Symbol_table::add_from_relobj): Don't check object target.
9864         (Symbol_table::add_from_dynobj): Likewise.
9865         (Symbol_table::define_special_symbol): Get target from
9866         parameters.
9867         * symtab.h (class Symbol_table): Update declaration.
9868         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9869         parameter.  Change all callers.  Clear parameter target.
9870         (Binary_test): Test target here.
9871         * testsuite/object_unittest.cc (gold_testsuite): Remove
9872         target_test_pointer parameter.  Change all callers.
9873         (Object_test): Test target here.
9874
9875 2009-09-26  Ian Lance Taylor  <iant@google.com>
9876
9877         * testsuite/initpri1.c: Don't try to use constructor priorities if
9878         compiling with gcc before 4.3.
9879
9880 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9881
9882         * testsuite/retain_symbols_file_test.sh (check_present): Change
9883         output file name to retain_symbols_file_test.stdout.
9884         (check_absent): Likewise.
9885
9886 2009-09-18  Craig Silverstein  <csilvers@google.com>
9887
9888         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9889         * options.cc: Include <cerrno> and <fstream>.
9890         (General_options::finalize): Parse -retain-symbols-file tag.
9891         * options.h: New flag.
9892         (General_options): New method should_retain_symbol, new
9893         variable symbols_to_retain.
9894         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9895         should_retain_symbol map.
9896         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9897         * testsuite/Makefile.in: Regenerate.
9898         * testsuite/retain_symbols_file_test.sh: New file.
9899
9900 2009-09-18  Nick Clifton  <nickc@redhat.com>
9901
9902         * po/es.po: Updated Spanish translation.
9903
9904 2009-09-17  Doug Kwan  <dougkwan@google.com>
9905
9906         * debug.h (DEBUG_RELAXATION): New constant.
9907         (DEBUG_ALL): Add DEBUG_RELAXATION.
9908         (debug_string_to_enum): Add relaxation debug option.
9909         * layout.cc
9910         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9911         Layout::Relaxation_debug_check::read_sections,
9912         Layout::Relaxation_debug_check::read_sections): New method definitions.
9913         (Layout::Layout): Initialize data members
9914         record_output_section_data_from_scrips_,
9915         script_output_section_data_list_ and relaxation_debug_check_.
9916         (Layout::save_segments, Layout::restore_segments,
9917         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9918         Layout::relaxation_loop_body): New method definitions.
9919         (Layout::finalize): Support relaxation.  Move section layout code to
9920         Layout::relaxation_loop_body.
9921         (Layout::set_asection_address_from_script): Move code for orphan
9922         section placement out.
9923         (Layout::place_orphan_sections_in_script): New method definition.
9924         * layout.h (Output_segment_headers, Output_file_header):
9925         New forward class declarations.
9926         (Layout::~Layout): Define.
9927         (Layout::new_output_section_data_from_script): New method definition.
9928         (Layout::place_orphan_sections_in_script): New method declaration.
9929         (Layout::Segment_states): New type declaration.
9930         (Layout::save_segments, Layout::restore_segments,
9931         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9932         Layout::relaxation_loop_body): New method declarations.
9933         (Layout::Output_section_data_list): New type declaration.
9934         (Layout::Relaxation_debug_check): New class definition.
9935         (Layout::record_output_section_data_from_script_,
9936         Layout::script_output_section_data_list_, Layout::segment_states_,
9937         Layout::relaxation_debug_check_): New data members.
9938         * output.cc: (Output_section_headers::do_size): New method definition.
9939         (Output_section_headers::Output_section_headers): Move size
9940         computation to Output_section_headers::do_size.
9941         (Output_segment_headers::do_size): New method definition.
9942         (Output_file_header::Output_file_header): Move size computation to
9943         Output_file_header::do_size and call it.
9944         (Output_file_header::do_size): New method definition.
9945         (Output_data_group::Output_data_group): Adjust call to
9946         Output_section_data.
9947         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9948         (Output_symtab_xindex::do_write): Add array bound check.
9949         (Output_section::Input_section::print_to_mapfile): Handle
9950         RELAXED_INPUT_SECTION_CODE.
9951         (Output_section::Output_section): Initialize data member checkpoint_.
9952         (Output_section::~Output_section): Delete checkpoint object pointed
9953         by checkpoint_.
9954         (Output_section::add_input_section): Always add an Input_section if
9955         relaxing.
9956         (Output_section::add_merge_input_section): Add assert.
9957         (Output_section::relax_input_section): New method definition.
9958         (Output_section::set_final_data_size): Set load address to zero for
9959         an unallocated section.
9960         (Output_section::do_address_and_file_offset_have_reset_values):
9961         New method definition.
9962         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9963         Handle relaxed input section.
9964         (Output_section::sort_attached_input_sections): Checkpoint input
9965         section list lazily.
9966         (Output_section::get_input_sections): Change type of input_sections to
9967         list of Simple_input_section pointers.  Checkpoint input section list
9968         lazily.  Also handle relaxed input sections.
9969         (Output_section::add_input_section_for_script): Take a reference to
9970         a Simple_input_section object instead of Relobj pointer and section
9971         index as parameter.  Handle relaxed input sections.
9972         (Output_section::save_states, Output_section::restore_states): New
9973         method definitions.
9974         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9975         (Output_data::is_data_size_fixed): New method definition.
9976         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9977         if it is fixed.
9978         (Output_data::address_and_file_offset_have_reset_values): New method
9979         definition.
9980         (Output_data::do_address_and_file_offset_have_reset_values): New method
9981         definition.
9982         (Output_data::set_data_size): Check that data size is not fixed.
9983         (Output_data::fix_data_size): New method definition.
9984         (Output_data::is_data_size_fixed_): New data member.
9985         (Output_section_headers::set_final_data_size): New method definition.
9986         (Output_section_headers::do_size): New method declaration.
9987         (Output_segment_headers::set_final_data_size): New method definition.
9988         (Output_segment_headers::do_size): New method declaration.
9989         (Output_file_header::set_final_data_size)::New method definition.
9990         (Output_file_header::do_size)::New method declaration.
9991         (Output_section_data::Output_section_data): Add new parameter
9992         is_data_size_fixed and use it to fix data size.
9993         (Output_data_const::Output_data_const): Adjust call to base class
9994         constructor and fix data size.
9995         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9996         base class constructor and fix data size.
9997         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9998         base class constructor and fix data size.
9999         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10000         class constructor and fix data size.
10001         (Output_data_group::set_final_data_size): New method definition.
10002         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10003         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10004         class constructor and fix data size.
10005         (Output_relaxed_input_section): New class definition.
10006         (Output_section::Simple_input_section): New class definition.
10007         (Output_section::get_input_sections): Adjust parameter list.
10008         (Output_section::add_input_section_for_script): Same.
10009         (Output_section::save_states, Output_section::restore_states,
10010         Output_section::do_address_and_file_offset_have_reset_values,
10011         (Output_section::Input_section::Input_section): Handle
10012         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10013         Output_relaxed_input_section.
10014         (Output_section::Input_section::is_input_section,
10015         Output_section::Input_section::set_output_section): Handle relaxed
10016         input section.
10017         (Output_section::Input_section::is_relaxed_input_section,
10018         Output_section::Input_section::output_section_data,
10019         Output_section::Input_section::relaxed_input_section): New method
10020         definitions.
10021         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10022         value.
10023         (Output_section::Input_section::u1_): Update comments.
10024         (Output_section::Input_section::u2_): Add new union member poris.
10025         (Output_section::Checkpoint_output_section): New classs definition.
10026         (Output_section::relax_input_section): New method declaration.
10027         (Output_section::checkpoint_): New data member.
10028         (Output_segment): Update comments.
10029         (Output_segment::Output_segment): Un-privatize copy constructor.
10030         (Output_segment::operator=): Un-privatize.
10031         * script-sections.cc (Output_section_element::Input_section_list):
10032         Change element type to Output_section::Simple_input_section.
10033         (Output_section_element_dot_assignment::set_section_addresses):
10034         Register output section data for relaxation clean up.
10035         (Output_data_exression::Output_data_expression): Adjust call to base
10036         constructor to fix data size.
10037         (Output_section_element_data::set_section_addresses): Register
10038         Output_data_expression object for relaxation clean up.
10039         (struct Input_section_info): Replace Relobj pointer and section index
10040         pair with Output_section::Simple_input_section and Convert struct to a
10041         class.
10042         (Input_section_sorter::operator()): Adjust access to
10043         Input_section_info data member to use accessors.
10044         (Output_section_element_input::set_section_addresses): Use layout
10045         parameter.  Adjust code to use Output_section::Simple_input_section
10046         and Input_secction_info classes.  Register filler for relaxation
10047         clean up.
10048         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10049         and section index pair with Output_section::Simple_input_section
10050         class.  Adjust code accordingly.
10051         (Phdrs_element::release_segment): New method definition.
10052         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10053         segment list.
10054         (Script_sections::release_segments): New method definition.
10055         * gold/script-sections.h (Script_sections::release_segments): New
10056         method declaration.
10057         * gold/target.h (Target::may_relax, Target::relax,
10058         Target::do_may_relax, Target::do_relax): New method definitions.
10059
10060 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10061
10062         * arm.cc (has_signed_unsigned_overflow): New function.
10063         (Arm_relocate_functions::abs8): New function.
10064         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10065         (Target_arm::Scan::global): Likewise.
10066         (Target_arm::relocate::relocate): Likewise.
10067         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10068         Likewise.
10069
10070 2009-09-16  Cary Coutant  <ccoutant@google.com>
10071
10072         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10073         * testsuite/Makefile.in: Regenerate.
10074
10075 2009-09-11  Nick Clifton  <nickc@redhat.com>
10076
10077         * po/gold.pot: Updated by the Translation project.
10078
10079 2009-09-08  Cary Coutant  <ccoutant@google.com>
10080
10081         * output.cc (Output_file::open): Add execute permission to empty file.
10082         * testsuite/Makefile.am (permission_test): New test.
10083         * testsuite/Makefile.in: Regenerate.
10084
10085 2009-09-02  Ian Lance Taylor  <iant@google.com>
10086
10087         * output.cc (Output_file::resize): Call map_no_anonymous rather
10088         than map.
10089
10090 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10091
10092         * gold.cc: Include "incremental.h".
10093         (queue_initial_tasks): Call Incremental_checker methods.
10094         * incremental.cc: Include "output.h".
10095         (Incremental_checker::can_incrementally_link_output_file): New
10096         method.
10097         * incremental.h (Incremental_checker): New class.
10098
10099         * output.cc (Output_file::open_for_modification): New method.
10100         (Output_file::map_anonymous): Changed return type to bool.  Record
10101         map in base_ field.
10102         (Output_file::map_no_anonymous): New method, broken out of map.
10103         (Output_file::map): Use map_no_anonymous and map_anonymous.
10104         * output.h (class Output_file): Update declarations.
10105
10106 2009-08-24  Cary Coutant  <ccoutant@google.com>
10107
10108         * options.h (Command_line::Pre_options): New class.
10109         (Command_line::pre_options): New member.
10110         * options.cc (gold::options::ready_to_register): New variable.
10111         (One_option::register_option): Do nothing if not registering options.
10112         Assert if same short option registered twice.
10113         (General_options::General_options): Turn off option registration when
10114         done constructing.
10115         (Command_line::Pre_options::Pre_options): New constructor.
10116
10117 2009-08-24  Cary Coutant  <ccoutant@google.com>
10118
10119         * options.h (General_options::no_keep_memory): Remove incorrect
10120         short option.
10121
10122 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10123
10124         * Makefile.am (am__skiplex, am__skipyacc): New.
10125         * Makefile.in: Regenerate.
10126
10127 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10128
10129         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10130         (INCLUDES): ... this.
10131         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10132         (AM_CPPFLAGS): Renamed from ...
10133         (INCLUDE): ... this.
10134         * Makefile.in, testsuite/Makefile.in: Regenerate.
10135
10136         * Makefile.in: Regenerate.
10137         * aclocal.m4: Likewise.
10138         * config.in: Likewise.
10139         * configure: Likewise.
10140         * testsuite/Makefile.in: Likewise.
10141
10142         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10143         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10144         * Makefile.in: Regenerate.
10145         * testsuite/Makefile.in: Regenerate.
10146
10147 2009-08-19  Cary Coutant  <ccoutant@google.com>
10148
10149         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10150         symbols in shared libraries overridden by hidden or internal symbols
10151         in the main program.
10152
10153 2009-08-19  Chris Demetriou  <cgd@google.com>
10154
10155         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10156         checking source file names in error messages.
10157
10158 2009-08-18  Doug Kwan  <dougkwan@google.com>
10159
10160         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10161         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10162         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10163         an elfcpp::Ehdr as parameter.
10164         * object.cc (Object::set_target): Remove the version that looks up
10165         a target and sets it.
10166         (Sized_relobj::setup): Take a Target object instead of
10167         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10168         (make_elf_sized_object): Find target and ask target to
10169         make an ELF object.
10170         * object.h: (Object::set_target): Remove the version that looks up
10171         a target and sets it.
10172         (Sized_relobj::setup): Take a Target object instead of
10173         an elfcpp:Ehdr as parameter.
10174         * target.cc: Include dynobj.h.
10175         (Target::do_make_elf_object_implementation): New.
10176         (Target::do_make_elf_object): New.
10177         * target.h (Target::make_elf_object): New template declaration.
10178         (Target::do_make_elf_object): New method declarations.
10179         (Target::do_make_elf_object_implementation): New template declaration.
10180
10181 2009-08-14  Ian Lance Taylor  <iant@google.com>
10182
10183         * gold.h (FUNCTION_NAME): Define.
10184         (gold_unreachable): Use FUNCTION_NAME.
10185
10186 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10187
10188         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10189         symbol in the --keep-unique list is not found.
10190
10191 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10192
10193         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10194         been maked as --keep-unique.
10195         (Icf::unfold_section): New function.
10196         * icf.h (Icf::unfold_section): New function.
10197         * options.h (General_options::keep_unique): New option.
10198         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10199         * testsuite/Makefile.in: Regenerate.
10200         * testsuite/icf_keep_unique_test.sh: New file.
10201         * testsuite/icf_keep_unique_test.cc: New file.
10202
10203 2009-08-12  Cary Coutant  <ccoutant@google.com>
10204
10205         PR 10471
10206         * resolve.cc (Symbol_table::resolve): Check for references from
10207         dynamic objects to hidden and internal symbols.
10208         * testsuite/Makefile.am (hidden_test.sh): New test.
10209         * testsuite/Makefile.in: Regenerate.
10210         * testsuite/hidden_test.sh: New script.
10211         * testsuite/hidden_test_1.c: New test source.
10212         * testsuite/hidden_test_main.c: New test source.
10213
10214 2009-08-11  Doug Kwan  <dougkwan@google.com>
10215
10216         * arm.cc: Update comments.
10217         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10218         segment to locate the .ARM.exidx section if present.
10219
10220 2009-08-09  Doug Kwan  <dougkwan@google.com>
10221
10222         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10223         patch.
10224
10225 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10226         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10227         compiler warnings.
10228
10229 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10230
10231         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10232         valid tls_segment only for non-debug-section relocations.
10233         * testsuite/Makefile.am: Add gc_tls_test.
10234         * testsuite/Makefile.in: Regenerate.
10235         * testsuite/gc_tls_test.cc: New file.
10236         * testsuite/gc_tls_test.sh: New file.
10237
10238 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10239
10240         * icf.cc: New file.
10241         * icf.h: New file.
10242         * Makefile.am (CCFILES): Add icf.cc.
10243         (HFILES): Add icf.h
10244         * Makefile.in: Regenerate.
10245         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10246         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10247         section, symbol and addend information for the relocs.
10248         * gold.cc (queue_middle_tasks): Call identical code folding.
10249         * gold.h: Add defines for multimap.
10250         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10251         to the call of finalize_local_symbols.
10252         * main.cc (main): Create object of class Icf.
10253         * object.cc (Sized_relobj::do_layout): Allow this function to be
10254         called twice during icf.
10255         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10256         to sections marked as identical by icf.
10257         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10258         when available.
10259         (Sized_relobj::do_section_entsize): New function.
10260         * object.h (Object::section_entsize): New function.
10261         (Object::do_section_entsize): New pure virtual function.
10262         (Relobj::finalize_local_symbols): Add new parameter.
10263         (Relobj::do_section_entsize): New function.
10264         * options.h (General_options::icf): New option.
10265         (General_options::icf_iterations): New option.
10266         (General_options::print_icf_sections): New option.
10267         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10268         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10269         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10270         icf.
10271         * symtab.cc (Symbol_table::is_section_folded): New function.
10272         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10273         to sections marked as identical by icf.
10274         * symtab.h (Symbol_table::set_icf): New function.
10275         (Symbol_table::icf): New function.
10276         (Symbol_table::is_section_folded): New function.
10277         (Symbol_table::icf_): New data member.
10278         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10279         * testsuite/Makefile.am: Add commands to build icf_test.
10280         * testsuite/Makefile.in: Regenerate.
10281         * testsuite/icf_test.sh: New file.
10282         * testsuite/icf_test.cc: New file.
10283
10284 2009-07-24  Chris Demetriou  <cgd@google.com>
10285
10286         * layout.cc (is_compressible_debug_section): Fix incorrect
10287         comment about compressed section names.
10288
10289 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10290
10291         PR 10419
10292         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10293
10294 2009-07-16  Ian Lance Taylor  <iant@google.com>
10295
10296         PR 10400
10297         * layout.h: #include <map>.
10298         (class Kept_section): Change from struct to class.  Add accessors
10299         and setters.  Add section size to Comdat_group mapping.  Change
10300         Comdat_group to std::map.  Add is_comdat_ field.  Add
10301         linkonce_size field in union.
10302         (class Layout): Update declaration of find_or_add_kept_section.
10303         Don't declare find_kept_object.
10304         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10305         parameter.  Add object, shndx, is_comdat, and is_group_name
10306         parameters.  Change all callers.  Adjust for new Kept_section.
10307         (Layout::find_kept_object): Remove.
10308         * object.cc (Sized_relobj::include_section_group): Update use of
10309         Kept_section.  Rename secnum to shndx.  Only record
10310         Kept_comdat_section if sections are the same size.
10311         (Sized_relobj::include_linkonce_section): Update use of
10312         Kept_section.  Only record Kept_comdat_section if sections are the
10313         same size.  Set size of linkonce section.
10314         (Sized_relobj::map_to_kept_section): Update call to
10315         get_kept_comdat_section.
10316         * object.h (class Sized_relobj): Rename fields in
10317         Kept_comdat_section to drop trailing underscores; change object
10318         field to Relobj*.  Change Kept_comdat_section_table to store
10319         struct rather than pointer.
10320         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10321         Add kept_object and kept_shndx parameters.  Change all callers.
10322         (Sized_relobj::get_kept_comdat_section): Change return type to
10323         bool.  Add kept_object and kept_shndx parameters.  Change all
10324         callers.
10325         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10326         Layout::find_or_add_kept_section.
10327
10328 2009-07-09  Ian Lance Taylor  <iant@google.com>
10329
10330         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10331         Reserve space in the hash table.
10332
10333 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10334
10335         * fileread.cc (File_read::get_mtime): New method.
10336         * fileread.h (Timespec): New structure.
10337         (File_read::get_mtime): New method.
10338         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10339         Renamed from timestamp_nsec.
10340         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10341         Elf_Xword.
10342         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10343         timestamp_nsec.
10344         (Incremental_inputs::report_archive): Save mtime; style fix.
10345         (Incremental_inputs::report_obejct): Save mtime; style fix.
10346         (Incremental_inputs::report_script): Save mtime; style fix.
10347         (Incremental_inputs::finalize_inputs): Style fix.
10348         (Incremental_inputs::finalize): Style fix.
10349         (Incremental_inputs::create_input_section_data): Store inputs
10350         mtime.
10351         * incremental.h (Incremental_inputs::report_script): Add mtime
10352         argument.
10353         (Incremental_inputs::Input_info::Input_info): Intialize only one
10354         union member.
10355         (Incremental_inputs::Input_info::archive): Move to nameless
10356         union.
10357         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10358         (Incremental_inputs::Input_info::script): Move to nameless union.
10359         (Incremental_inputs::mtime): New field.
10360         * script.cc (read_input_script): Pass file mtime to
10361         Incremental_input.
10362         * script.h (Script_info::inputs): Style fix.
10363
10364 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10365
10366         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10367         instead of 32.
10368
10369 2009-06-24  Ian Lance Taylor  <iant@google.com>
10370
10371         PR 10156
10372         * layout.cc (Layout::choose_output_section): If we find an
10373         existing section, update the flags.
10374         (Layout::create_notes): New function, broken out of
10375         Layout::finalize.
10376         (Layout::finalize): Don't create note sections.
10377         (Layout::create_note): Don't crash if linker script discards
10378         section.
10379         (Layout::create_gold_note): Likewise.
10380         (Layout::create_build_id): Likewise.  Don't set
10381         after_input_sections on the section.
10382         (Layout::create_executable_stack_info): Remove target parameter.
10383         Change caller.
10384         * layout.h (class Layout): Declare create_notes.  Update
10385         declaration of create_executable_stack_info.
10386         * gold.cc (queue_middle_tasks): Call create_notes.
10387         * output.cc (Output_section::update_flags_for_input_section): Move
10388         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10389         invalid.
10390         * output.h (Output_data::mark_address_invalid): New function.
10391         (class Output_section): Only declare, not define,
10392         update_flags_for_input_section.  Remove set_flags.
10393
10394 2009-06-24  Ian Lance Taylor  <iant@google.com>
10395
10396         * script-sections.cc (Output_section_definition::
10397         set_section_addresses): Rename shadowing local load_address to
10398         laddr.
10399
10400 2009-06-24  Ian Lance Taylor  <iant@google.com>
10401
10402         PR 10244
10403         * reloc.cc (relocate_sections): Skip empty relocation sections.
10404
10405 2009-06-23  Ian Lance Taylor  <iant@google.com>
10406
10407         PR 10156
10408         * layout.cc (Layout::create_note): Use choose_output_section
10409         rather than make_output_section.
10410
10411 2009-06-23  Ian Lance Taylor  <iant@google.com>
10412
10413         PR 10237
10414         * options.cc (General_options::parse_V): Set printed_version_.
10415         (General_options::General_options): Initialize printed_version_.
10416         * options.h (class General_options): Add printed_version_ field.
10417         * gold.cc (queue_initial_tasks): If there are no input files,
10418         don't give a fatal error if we printed the version information.
10419         (queue_middle_tasks): If using -r with a shared object, give a
10420         fatal error rather than an ordinary error.
10421
10422 2009-06-23  Ian Lance Taylor  <iant@google.com>
10423
10424         PR 10219
10425         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10426         (Layout::make_output_section): Set have_stabstr_section_ if we see
10427         a .stab*str section.
10428         (Layout::finalize): Call link_stabs_sections.
10429         (Layout::link_stabs_sections): New file.
10430         * layout.h (class Layout): Add have_stabstr_section_ field.
10431         Declare link_stabs_sections.
10432
10433 2009-06-23  Doug Kwan  <dougkwan@google.com>
10434
10435         * Makefile.am (libgold_a_LIBADD): New.
10436         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10437         * Makefile.in: Regenerate.
10438         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10439         * configure: Regenerate.
10440         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10441         * fileread.cc: Include sys/state.h
10442         * gold.h: Declare memmem and strndup if found missing.
10443         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10444
10445 2009-06-23  Ian Lance Taylor  <iant@google.com>
10446
10447         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10448         * configure: Rebuild.
10449
10450 2009-06-23  Ian Lance Taylor  <iant@google.com>
10451
10452         PR 10147
10453         * object.cc (Object::section_contents): Don't try to get a view if
10454         the section has length zero.
10455         (Object::handle_gnu_warning_section): If the section is empty, use
10456         the name of the section as the warning.
10457
10458 2009-06-23  Ian Lance Taylor  <iant@google.com>
10459
10460         PR 10133
10461         * stringpool.h (class Stringpool_template): Add optimize_ field.
10462         (Stringpool_template::set_optimize): New function.
10463         * stringpool.cc (Stringpool_template::Stringpool_template):
10464         Initialize optimize_ field.
10465         (Stringpool_template::set_string_offsets): Test local optimize
10466         fild rather than parameter.
10467         * layout.cc (Layout::Layout): Call set_optimize on the section
10468         name stringpool.
10469
10470 2009-06-22  Ian Lance Taylor  <iant@google.com>
10471
10472         PR 10030
10473         * yyscript.y: Parse TARGET.
10474         * script.cc (script_set_target): New function.
10475         * script-c.h (script_set_target): Declare.
10476         * options.cc (General_options::string_to_object_format): Rename
10477         from string_to_object_format in anonymous namespace.  Change
10478         callers.
10479         * options.h (class General_options): Declare
10480         string_to_object_format.
10481
10482 2009-06-22  Ian Lance Taylor  <iant@google.com>
10483
10484         * script-sections.cc (Script_sections::create_segments): Don't put
10485         program headers in a PT_LOAD segment if -n or -N.
10486
10487 2009-06-22  Ian Lance Taylor  <iant@google.com>
10488
10489         PR 10141
10490         * options.h (class General_options): Add -z lazy and -z now.  Sort
10491         -z options into alphabetical order.
10492         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10493
10494 2009-06-21  Ian Lance Taylor  <iant@google.com>
10495
10496         * layout.cc (Layout::make_output_section): Call
10497         Target::new_output_section.
10498         (Layout::attach_allocated_section_to_segment): Put large section
10499         sections in a separate load segment with the large segment flag
10500         set.
10501         (Layout::segment_precedes): Sort large data segments after other
10502         load segments.
10503         (align_file_offset): New static function.
10504         (Layout::set_segment_offsets): Use align_file_offset.
10505         * output.h (class Output_section): Add is_small_section_ and
10506         is_large_section_ fields.
10507         (Output_section::is_small_section): New function.
10508         (Output_section::set_is_small_section):  New function.
10509         (Output_section::is_large_section): New function.
10510         (Output_section::set_is_large_section): New function.
10511         (Output_section::is_large_data_section): New function.
10512         (class Output_segment): Add is_large_data_segment_ field.
10513         (Output_segment::is_large_data_segment): New function.
10514         (Output_segment::set_is_large_data_segment): New function.
10515         * output.cc (Output_section::Output_section): Initialize new
10516         fields.
10517         (Output_segment::Output_segment): Likewise.
10518         (Output_segment::add_output_section): Add assertion that large
10519         data sections always go in large data segments.  Force small data
10520         sections to the end of the list of data sections.  Force small BSS
10521         sections to the start of the list of BSS sections.  For large BSS
10522         sections to the end of the list of BSS sections.
10523         * symtab.h (class Symbol): Declare is_common_shndx.
10524         (Symbol::is_defined): Check Symbol::is_common_shndx.
10525         (Symbol::is_common): Likewise.
10526         (class Symbol_table): Define enum Commons_section_type.  Update
10527         declarations.  Add small_commons_ and large_commons_ fields.
10528         * symtab.cc (Symbol::is_common_shndx): New function.
10529         (Symbol_table::Symbol_table): Initialize new fields.
10530         (Symbol_table::add_from_object): Put small and large common
10531         symbols in the right list.
10532         (Symbol_table::sized_finalized_symbol): Check
10533         Symbol::is_common_shndx.
10534         (Symbol_table::sized_write_globals): Likewise.
10535         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10536         common symbol lists.  Don't call do_allocate_commons_list if the
10537         list is empty.
10538         (Symbol_table::do_allocate_commons_list): Remove is_tls
10539         parameter.  Add comons_section_type parameter.  Change all
10540         callers.  Handle small and large common symbols.
10541         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10542         Symbol::is_common_shndx.
10543         * resolve.cc (symbol_to_bits): Likewise.
10544         * target.h (Target::small_common_shndx): New function.
10545         (Target::small_common_section_flags): New function.
10546         (Target::large_common_shndx): New function.
10547         (Target::large_common_section_flags): New function.
10548         (Target::new_output_section): New function.
10549         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10550         small_common_section_flags, and large_common_section_flags
10551         fields.
10552         (Target::do_new_output_section): New virtual function.
10553         * arm.cc (Target_arm::arm_info): Initialize new fields.
10554         * i386.cc (Target_i386::i386_info): Likewise.
10555         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10556         Likewise.
10557         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10558         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10559         (Target_x86_64::do_new_output_section): New function.
10560         * configure.ac: Define conditional MCMODEL_MEDIUM.
10561         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10562         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10563         (large_LDFLAGS): Define.
10564         * testsuite/large.c: New file.
10565         * testsuite/testfile.cc (Target_test::test_target_info):
10566         Initialize new fields.
10567         * configure, testsuite/Makefile.in: Rebuild.
10568
10569 2009-06-05  Doug Kwan  <dougkwan@google.com>
10570
10571         * Makefile.am (CCFILES): Add target.cc.
10572         * Makefile.in: Regenerate.
10573         * i386.cc (class Target_i386): Define new virtual method to
10574         override do_is_local_label_name in parent.
10575         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10576         local symbols if --discard-locals or -X is given.
10577         * options.h (class General_options): Declare new options
10578         '--discard-locals' and '-X' for discarding locals.
10579         * target.h (class Target): Define new methods is_local_label_name.
10580         Declare new virtual method do_is_local_label_name.
10581         * target.cc: New file.
10582         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10583         (check_SCRIPTS): Add discard_locals_test.sh.
10584         (check_DATA): Add discard_local_tests.syms.
10585         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10586         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10587         * testsuite/Makefile.in: Regenerate.
10588         * testsuite/discard_locals_test.c: New file.
10589         * testsuite/discard_locals_test.sh: Same.
10590
10591 2009-06-05  Doug Kwan  <dougkwan@google.com>
10592
10593         * object.cc (Sized_relobj::Sized_relobj): Initialize
10594         discarded_eh_frame_shndx_ to -1U.
10595         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10596         section.
10597         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10598         a discarded .eh_frame section.
10599         (Sized_relobj::do_finalize_local_symbols): Ditto.
10600         * object.h (class Sized_relobj): Declare new member
10601         discarded_eh_frame_shndx_.
10602         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10603         (local_labels_test.o, local_labels_test): New rules.
10604         * testsuite/Makefile.in: Regenerate.
10605
10606 2009-06-04  Doug Kwan  <dougkwan@google.com>
10607
10608         * layout.cc (Layout::section_name_mapping): Add mapping for
10609         special ARM sections.
10610
10611 2009-06-03  Doug Kwan  <dougkwan@google.com>
10612
10613         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10614         (utils::has_overflow): Same.
10615
10616 2009-06-03  Ian Lance Taylor  <iant@google.com>
10617
10618         * layout.cc (Layout::section_name_mapping): New array, replacing
10619         Layout::linkonce_mapping.
10620         (Layout::section_name_mapping_count): New variable, replacing
10621         Layout::linkonce_mapping_count.
10622         (Layout::linkonce_output_name): Remove.
10623         (Layout::output_section_name): Rewrite.
10624         * layout.h (class Layout): Rename Linkonce_mapping to
10625         Section_name_mapping, linkonce_mapping to section_name_mapping,
10626         linkonce_mapping_count to section_name_mapping_count.  Don't
10627         declare linkonce_output_name.
10628
10629 2009-06-03  Doug Kwan  <dougkwan@google.com>
10630
10631         * gold/arm.cc (namespace utils): New.
10632         (Target_arm::reloc_is_non_pic): Define new method.
10633         (class Arm_relocate_functions): New.
10634         (Target_arm::Relocate::relocate): Handle relocation types used by
10635         Android.
10636
10637 2009-06-03  Ian Lance Taylor  <iant@google.com>
10638
10639         * arm.cc (Target_arm::scan::global): Use || instead of |.
10640
10641 2009-06-02  Doug Kwan  <dougkwan@google.com>
10642
10643         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10644         issued_non_pic_error_.
10645         (class Target_arm::Scan): Declare new method check_non_pic.
10646         Define new method symbol_needs_plt_entry.
10647         Declare new data member issued_non_pic_error_.
10648         (class Target_arm::Relocate): Declare new method
10649         should_apply_static_reloc.
10650         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10651         (Target_arm::Scan::check_non_pic): Define new method.
10652         (Target_arm::Scan::local): Handle a small subset of reloc types used
10653         by Android.
10654         (Target_arm::Scan::local): Same.
10655         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10656
10657 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10658
10659         * incremental.cc (Incremental_inputs::report_command_line): Filter
10660         out --incremental-* options.
10661
10662 2009-05-29  Doug Kwan  <dougkwan@google.com>
10663
10664         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10665         template class.
10666         (class Target_arm): Update comment.
10667         (Target_arm::Target_arm): Initialize new data members GOT_,
10668         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10669         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10670         and Target_arm::rel_dyn_section.
10671         Declare new_enum Target_arm::Got_type.
10672         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10673         and DYNBSS_.
10674         Update commments for member do_dynsym_value.
10675         (Target_arm::got_size, Target_arm::plt_section,
10676         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10677         new methods inside class defintion.
10678         (Target_arm::got_section): Define new method.
10679         (Target_arm::rel_dyn_section): Same.
10680         (Output_data_plt_arm): New template class.
10681         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10682         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10683         (Output_data_plt_arm::add_entry): Same.
10684         (Output_data_plt_arm::first_plt_entry): Define new
10685         static data member for PLT instruction template.
10686         (Output_data_plt_arm::plt_entry): Same.
10687         (Output_data_plt_arm::do_write): Define new method.
10688         (Target_arm::make_plt_entry): Same.
10689         (Target_arm::do_finalize_sections): Same.
10690         (Target_arm::do_dynsym_value): Same.
10691
10692 2009-05-28  Doug Kwan  <dougkwan@google.com>
10693
10694         * Makefile.am (TARGETSOURCES): Add arm.cc.
10695         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10696         * Makefile.in: Regenerate.
10697         * arm.cc: New file.
10698         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10699
10700 2009-05-26  Doug Kwan  <dougkwan@google.com>
10701
10702         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10703         (General_options::check_excluded_libs): Strip off directories in
10704         archive name before matching like GNU ld does.
10705         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10706         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10707         (exclude_libs_test_LDFLAGS): Add linker option
10708         -Wl,--exclude-libs,libexclude_libs_test_3
10709         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10710         an explicit archive without using -l.
10711         (alt/libexclude_libs_test_3.a): New make rule.
10712         * testsuite/Makefile.in: Regenerate.
10713         * testsuite/exclude_libs_test.c : Declare lib3_default().
10714         (main): Call it.
10715         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10716         * exclude_libs_test_3.c: New file.
10717
10718 2009-05-26  Nick Clifton  <nickc@redhat.com>
10719
10720         * po/id.po: New Indonesian translation.
10721         * po/gold.pot: Updated template file.
10722
10723 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10724
10725         * testsuite/Makefile.am: Add -ffunction-sections to compile
10726         gc_comdat_test files.  Add -Wl,--gc-sections to build
10727         gc_comdat_test.
10728         * testsuite/Makefile.in: Regenerate.
10729         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10730
10731 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10732
10733         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10734         kept comdat section was garbage collected.
10735         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10736         * testsuite/Makefile.in: Regenerate.
10737         * testsuite/gc_comdat_test.sh: New file.
10738         * testsuite/gc_comdat_test_1.cc: New file.
10739         * testsuite/gc_comdat_test_2.cc: New file.
10740
10741 2009-05-19  Doug Kwan  <dougkwan@google.com>
10742
10743         * archive.cc (Archive::Archive): Move constructor from archive.h
10744         to here.  Initialize no_export_.
10745         (Archive::get_elf_object_for_member): Set no_export flag of object.
10746         * archive.h (Archive::Archive): Move constructor body to
10747         archive.cc.
10748         (Archive::no_export): New method.
10749         (Archive::no_export_): New field.
10750         * object.h (Object::Object): Initialize no_export_ to false.
10751         (Object::no_export, Object::set_no_export): New methods.
10752         (Object::no_export_): New field.
10753         * options.cc (General_options::parse_exclude_libs): New method.
10754         (General_options::check_excluded_libs) Same.
10755         * options.h (exclude_libs): New option.
10756         (General_options::check_excluded_libs): New method declaration.
10757         (General_options::excluded_libs_): New field.
10758         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10759         default or protected visibility if an object has no-export flag set.
10760         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10761         (check_SCRIPTS): Add exclude_libs_test.sh.
10762         (check_DATA): Add exclude_libs_test.syms.
10763         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10764         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10765         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10766         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10767         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10768         libexclude_libs_test_2.a): New rules.
10769         * testsuite/Makefile.in: Regenerate.
10770         * testsuite/exclude_libs_test.c: New file.
10771         * testsuite/exclude_libs_test.sh: Ditto.
10772         * testsuite/exclude_libs_test_1.c: Ditto.
10773         * testsuite/exclude_libs_test_2.c: Ditto.
10774
10775 2009-05-15  Ian Lance Taylor  <iant@google.com>
10776
10777         * configure.ac: Check for declarations for cases where libiberty.h
10778         checks HAVE_DECL_xxx.
10779         * configure, config.in: Rebuild.
10780
10781 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10782
10783         * gold.h (Incremental_argument_list): Remove (invalid) forward
10784         declaration.
10785         * incremental.cc (Incremental_inputs::report_achive): New method.
10786         (Incremental_inputs::report_object): New method.
10787         (Incremental_inputs::report_script): New method.
10788         (Incremental_inputs::finalize_inputs): New method.
10789         (Incremental_inputs::finalize): Call finalize_inputs().
10790         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10791         Create inputs entries.
10792         * incremental.h (Incremental_input_type): New enum.
10793         (Incremental_inputs::Incremental_input): Initialize new fields.
10794         (Incremental_inputs::report_inputs): New method.
10795         (Incremental_inputs::report_achive): New method.
10796         (Incremental_inputs::report_object): New method.
10797         (Incremental_inputs::report_script): New method.
10798         (Incremental_inputs::finalize_inputs): New method.
10799         (Incremental_inputs::Input_info): New struct.
10800         (Incremental_inputs::Input_info_map): New typedef.
10801         (Incremental_inputs::lock_): New field.
10802         (Incremental_inputs::Inputs_): New field.
10803         (Incremental_inputs::Inputs_map): New field.
10804         * main.cc (main): Call Incremental_input::report_inputs.
10805         * options.h (Input_argument_list): Typedef moved from
10806         Input_arguments.
10807         (Input_file_group::Files): Remove, use ::Input_argument_list.
10808         (Input_file_group::Input_argument_list): Remove, use
10809         ::Input_argument_list.
10810         * plugin.cc (Plugin_manager::add_input_file): Add error in
10811         incremental build.
10812         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10813         functions.
10814         * script.cc (read_input_script): Call
10815         Incremental_input::report_script.
10816         * script.h (Script_info): New class.
10817
10818 2009-04-27  Ian Lance Taylor  <iant@google.com>
10819
10820         * x86_64.cc (do_adjust_output_section): Set entsize to
10821         plt_entry_size.
10822
10823 2009-04-23  Elliott Hughes  <enh@google.com>
10824
10825         * output.cc (Output_file::close): After short writes, continue
10826         writing from the correct offset in the buffer being written.
10827
10828 2009-04-23  Chris Demetriou  <cgd@google.com>
10829
10830         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10831         * configure: Regenerate.
10832         * config.in: Regenerate.
10833         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10834         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10835
10836 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10837
10838         * incremental.cc (Incremental_inputs_header_data): Renamed from
10839         Incremental_input_header_data.
10840         (Incremental_inputs_header_data::data_size): New field.
10841         (Incremental_inputs_header_data::put_input_file_count): Renamed
10842         from input_file_count.
10843         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10844         from command_line_offset.
10845         (Incremental_inputs_header_data::put_reserved): Renamed from
10846         put_reserved.
10847         (Incremental_inputs_entry_data): Renamed from
10848         Incremental_input_entry_data.
10849         (Incremental_inputs_entry_data::data_size): New field.
10850         (Incremental_inputs::report_command_line): New method.
10851         (Incremental_inputs::finalize): New method.
10852         (Incremental_inputs::create_incremental_inputs_data): New method.
10853         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10854         * incremental.h: New file.
10855         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10856         (Layout::finalize): Create incremental inputs section in
10857         incremental builds.
10858         (Layout::create_incremental_info_sections): New method.
10859         * layout.h (Layout::incremental_inputs): New method.
10860         (Layout::create_incremental_info_sections): New method.
10861         (Layout::incremental_inputs_): New field.
10862         * main.cc (main): Notify Incremental_input of the command line.
10863
10864 2009-04-01  Ian Lance Taylor  <iant@google.com>
10865             Mikolaj Zalewski  <mikolajz@google.com>
10866
10867         * gold.h (reserve_unordered_map): Define, three versions, one for
10868         each version of Unordered_map.
10869         * layout.cc (Layout::Layout): Remove options parameter.  Add
10870         number_of_input_files parameter.  Don't initialize options_.
10871         Initialize number_of_input_files_ and resized_signatures_.  Move
10872         sections_are_attached_.
10873         (Layout::layout_group): Reserve space for group_signatures_.
10874         (Layout::find_or_add_kept_section): Change name parameter to be a
10875         reference.  Resize signatures_ map when it gets large enough.
10876         (Layout::layout_eh_frame): Use parameters->options() instead of
10877         this->options_.
10878         (Layout::make_output_section): Likewise.
10879         (Layout::attach_allocated_section_to_segment): Likewise.
10880         (Layout::finalize, Layout::create_executable_stack): Likewise.
10881         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10882         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10883         * layout.h (class Layout): Update declarations.  Remove options_
10884         field.  Add number_of_input_files_ and resized_signatures_
10885         fields.  Move sections_are_attached_ field.
10886         * main.cc (main): Pass number of input files to Layout
10887         constructor.  Don't pass options.
10888
10889 2009-03-30  Ian Lance Taylor  <iant@google.com>
10890
10891         * ffsll.c (ffsll): Correct implementation.
10892
10893 2009-03-27  Ian Lance Taylor  <iant@google.com>
10894
10895         * ffsll.c: New file.
10896         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10897         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10898         * ftruncate.c (ftruncate): Declare before definition.
10899         * mremap.c (mremap): Likewise.
10900         * pread.c (pread): Likewise.
10901         * configure, Makefile.in, config.in: Rebuild.
10902
10903         * mremap.c: New file.
10904         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10905         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10906         (mremap): Declare if HAVE_MREMAP is not defined.
10907         * configure, Makefile.in, config.in: Rebuild.
10908
10909 2009-03-27  Cary Coutant  <ccoutant@google.com>
10910
10911         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10912         position independent.
10913         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10914         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10915
10916 2009-03-24  Cary Coutant  <ccoutant@google.com>
10917
10918         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10919         an executable.
10920         (needs_dynamic_reloc): Likewise.
10921
10922 2009-03-24  Ian Lance Taylor  <iant@google.com>
10923
10924         * yyscript.y (file_cmd): Recognize EXTERN.
10925         (extern_name_list, extern_name_list_body): New nonterminals.
10926         * script.cc (script_add_extern): Define.
10927         * script-c.h (script_add_extern): Declare.
10928
10929 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10930
10931         * object.cc (is_elf_object): Define.
10932         * object.h (is_elf_object): Declare.
10933         * archive.cc (Archive::get_elf_object_for_member): Call
10934         is_elf_object.
10935         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10936
10937 2009-03-24  Elliott Hughes  <enh@google.com>
10938
10939         * output.cc (Output_file::map_anonymous): Define.
10940         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10941         try an anonymous one.  Report the size if the mmap fails.
10942         * output.h (class Output_file): Declare map_anonymous.
10943
10944 2009-03-24  Ian Lance Taylor  <iant@google.com>
10945
10946         * target-select.cc (instantiate_target): Don't acquire the lock if
10947         the instantiated_target_ field has already been set.
10948
10949 2009-03-23  Ian Lance Taylor  <iant@google.com>
10950
10951         * gold-threads.h (class Initialize_lock): Define.
10952         * gold-threads.cc (class Initialize_lock_once): Define.
10953         (initialize_lock_control): New static variable.
10954         (initialize_lock_pointer): New static variable.
10955         (initialize_lock_once): New static function.
10956         (Initialize_lock::Initialize_lock): Define.
10957         (Initialize_lock::initialize): Define.
10958         * target-select.h: Include "gold-threads.h".
10959         (class Target_selector): Add lock_ and initialize_lock_ fields.
10960         Don't define instantiate_target, just declare it.
10961         * target-select.cc (Target_selector::Target_selector): Initialize
10962         new fields.
10963         (Target_selector::instantiate_target): Define.
10964         * descriptors.h: Include "gold-threads.h".
10965         (class Descriptors): Add initialize_lock_ field.
10966         * descriptors.cc (Descriptors::Descriptors): Initialize new
10967         field.
10968         (Descriptors::open): Use initialize_lock_ field
10969         * errors.h (class Errors): Add initialize_lock_ field.
10970         * errors.cc (Errors::Errors): Initialize new field.
10971         (Errors::initialize_lock): Use initialize_lock_ field.
10972         * powerpc.cc (class Target_selector_powerpc): Remove
10973         instantiated_target_ field.  In do_recognize call
10974         instantiate_target rather than do_instantiate_target.  In
10975         do_instantiate_target just allocate a new target.
10976         * sparc.cc (class Target_selector_sparc): Likewise.
10977
10978         * freebsd.h: New file.
10979         * i386.cc: Include "freebsd.h".
10980         (Target_i386): Derive from Target_freebsd rather than
10981         Sized_target.
10982         (Target_selector_i386): Derive from Target_selector_freebsd rather
10983         than Target_selector.
10984         * x86_64.cc: Include "freebsd.h".
10985         (Target_x86_64): Derive from Target_freebsd rather than
10986         Sized_target.
10987         (Target_selector_x86_64): Derive from Target_selector_freebsd
10988         rather than Target_selector.
10989         * target.h (class Target): Add adjust_elf_header and
10990         do_adjust_elf_header.
10991         * output.cc (Output_file_header:: do_sized_write): Call target
10992         adjust_elf_header routine.
10993         * configure.tgt: Set targ_osabi.
10994         * configure.ac: Define GOLD_DEFAULT_OSABI.
10995         * parameters.cc (Parameters::default_target): Pass
10996         GOLD_DEFAULT_OSABI to select_target.
10997         * target-select.h (class Target_selector): Make instantiate_target
10998         protected rather than private.
10999         * Makefile.am (HFILES): Add freebsd.h.
11000         * configure, Makefile.in, config.in: Rebuild.
11001
11002         * merge.cc (do_add_input_section): Correct pend value.  Change
11003         message about last entry not being null terminated from error to
11004         warning.
11005
11006 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11007
11008         * incremental.cc: New file.
11009         * Makefile.am (CCFILES): Add incremental.cc.
11010         * Makefile.in: Rebuild.
11011
11012 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11013
11014         * layout.cc (Layout::output_section_name): Preserve names
11015         of '.note.' sections.
11016
11017 2009-03-19  Ian Lance Taylor  <iant@google.com>
11018
11019         * descriptors.cc (Descriptors::open): Check that the options are
11020         valid before using them.
11021
11022 2009-03-18  Ian Lance Taylor  <iant@google.com>
11023
11024         * script-sections.h: Include <list>.
11025         (class Script_sections): Change Sections_elements from std::vector
11026         to std::list.  Typedef public Elements_iterator.  Add
11027         orphan_section_placement_, data_segment_align_start_, and
11028         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11029         field.
11030         * script-sections.cc (class Orphan_section_placement): New class.
11031         (class Sections_element): Add virtual functions is_relro and
11032         orphan_section_init.  Remove virtual function place_orphan_here.
11033         (class Output_section_definition): Add is_relro and
11034         orphan_section_init.  Remove place_orphan_here.
11035         (class Orphan_output_section): Likewise.
11036         (Script_sections::Script_sections): Update for field changes.
11037         (Script_sections::data_segment_align): Set saw_data_segment_align_
11038         and data_segment_align_start_, not data_segment_align_index.
11039         (Script_sections::data_segment_relro_end): Check
11040         saw_data_segment_align_.  Use data_segment_align_start_ rather
11041         than data_segment_align_index_.
11042         (Script_sections::place_orphan): Rewrite to use
11043         Orphan_section_placement.
11044
11045 2009-03-17  Ian Lance Taylor  <iant@google.com>
11046
11047         * archive.cc (Archive::add_symbols): Check for a version attached
11048         to the symbol name in the archive map.
11049         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11050         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11051         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11052         (ver_test_11.a): New target.
11053         * testsuite/Makefile.in: Rebuild.
11054
11055         * configure.ac: Check for chsize and posix_fallocate.  Replace
11056         ftruncate.
11057         * ftruncate.c: New file, from gnulib.
11058         * output.cc (posix_fallocate): Define dummy version if not
11059         HAVE_POSIX_FALLOCATE.
11060         (Output_file::map): Call posix_fallocate rather than lseek and
11061         write.
11062         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11063         * configure, Makefile.in, config.in: Rebuild.
11064
11065 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11066
11067         * layout.h (Layout::create_note): Add section_name parameter.
11068         * layout.cc (Layout::create_note): Likewise.
11069         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11070
11071 2009-03-17  Ian Lance Taylor  <iant@google.com>
11072
11073         * descriptors.cc: Include "options.h".
11074         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11075         (Descriptors::open): Always use O_CLOEXEC when opening a new
11076         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11077         then set FD_CLOEXEC.
11078
11079         * sparc.cc (class Target_sparc): Add has_got_section.
11080         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11081         make sure we have a GOT section.
11082
11083         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11084         (Target_sparc::Scan::local): Likewise.
11085         (Target_sparc::Scan::global): Likewise.
11086         (Target_sparc::Relocate::relocate): Likewise.
11087         (Target_sparc::Relocate::relocate_tls): Likewise.
11088
11089         * symtab.cc (Symbol_table::define_default_version): New function,
11090         broken out of add_from_object.
11091         (Symbol_table::add_from_object): Call define_default_version.
11092         (Symbol_table::define_special_symbol): Add resolve_oldsym
11093         parameter.  Change all callers.  If the version for a symbol comes
11094         from a version script, resolve it with the symbol with the same
11095         name with no version.  Also add the symbol without a version if
11096         appropriate.
11097         (do_define_in_output_data): If resolving with oldsym, don't delete
11098         sym.
11099         (do_define_in_output_segment): Likewise.
11100         (do_define_as_constant): Likewise.
11101         * symtab.h (class Symbol_table): Update declarations.
11102
11103 2009-03-13  Ian Lance Taylor  <iant@google.com>
11104
11105         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11106         (Read_symbols::requeue): New function.
11107         (Read_symbols::do_read_symbols): If make_elf_object fails because
11108         the target type is not configured, and the file was searched for,
11109         issue a warning and retry with the next directory.
11110         (Add_symbols::run): If the file has an incompatible format, and
11111         it was searched for, requeue the Read_symbols task.  On error,
11112         release the object.
11113         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11114         dirindex parameter to constructor.  Change all callers.  Declare
11115         incompatible_warning and requeue.
11116         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11117         input_argument_ and input_group_ fields.  Add them to
11118         constructor.  Change all callers.
11119         (class Read_script): Add dirindex_ field.  Add it to constructor.
11120         Change all callers.
11121         * archive.cc (Archive::setup): Remove input_objects parameter.
11122         Change all callers.
11123         (Archive::get_file_and_offset): Likewise.
11124         (Archive::read_all_symbols): Likewise.
11125         (Archive::read_symbols): Likewise.
11126         (Archive::get_elf_object_for_member): Remove input_objects
11127         parameter.  Add punconfigured parameter.  Change all callers.
11128         (Archive::add_symbols): Change return type to bool.  Check return
11129         value of include_member.
11130         (Archive::include_all_members): Likewise.
11131         (Archive::include_member): Change return type to bool.  Return
11132         false if first included object has incompatible target.  Set
11133         included_member_ field.
11134         (Add_archive_symbols::run): If add_symbols returns false, requeue
11135         Read_symbols task.
11136         * archive.h (class Archive): Add included_member_ field.
11137         Initialize it in constructor.  Add input_file and searched_for
11138         methods.  Update declarations.
11139         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11140         input_argument_ fields.  Add them to constructor.  Change all
11141         callers.
11142         * script.cc: Include "target-select.h".
11143         (class Parser_closure): Add skip_on_incompatible_target_ and
11144         found_incompatible_target_ fields.  Add
11145         skip_on_incompatible_target parameter to constructor.  Change all
11146         callers.  Add methods skip_on_incompatible_target,
11147         clear_skip_on_incompatible_target, found_incompatible_target, and
11148         set_found_incompatible_target.
11149         (read_input_script): Add dirindex parameter.  Change all callers.
11150         If parser finds an incompatible target, requeue Read_symbols
11151         task.
11152         (script_set_symbol): Clear skip_on_incompatible_target in
11153         closure.
11154         (script_add_assertion, script_parse_option): Likewise.
11155         (script_start_sections, script_add_phdr): Likewise.
11156         (script_check_output_format): New function.
11157         * script.h (read_input_script): Update declaration.
11158         * script-c.h (script_check_output_format): Declare.
11159         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11160         (ignore_cmd): Remove OUTPUT_FORMAT.
11161         * fileread.cc (Input_file::Input_file): Add explicit this.
11162         (Input_file::will_search_for): New function.
11163         (Input_file::open): Add pindex parameter.  Change all callers.
11164         * fileread.h (class Input_file): Add input_file_argument method.
11165         Declare will_search_for.  Update declarations.
11166         * object.cc (make_elf_object): Add punconfigured parameter.
11167         Change all callers.
11168         * object.h (class Object): Make input_file public.  Add
11169         searched_for method.
11170         (make_elf_object): Update declaration.
11171         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11172         restart search.
11173         * dirsearch.h (class Dirsearch): Update declaration.
11174         * options.h (class General_options): Add --warn-search-mismatch.
11175         * parameters.cc (Parameters::is_compatible_target): New function.
11176         * parameters.h (class Parameters): Declare is_compatible_target.
11177         * workqueue.cc (Workqueue::add_blocker): New function.
11178         * workqueue.h (class Workqueue): Declare add_blocker.
11179
11180         * fileread.cc (Input_file::open): Remove options parameter.
11181         Change all callers.
11182         (Input_file::open_binary): Likewise.
11183         * script.cc (read_input_script): Likewise.
11184         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11185         options parameter from constructor.  Change all callers.
11186         (class Read_script): Likewise.
11187         * fileread.h (class Input_file): Update declarations.
11188         * script.h (read_input_script): Update declaration.
11189
11190 2009-03-10  Nick Clifton  <nickc@redhat.com>
11191
11192         * po/es.po: New Spanish translation.
11193
11194 2009-03-06  Cary Coutant  <ccoutant@google.com>
11195
11196         * options.cc (parse_short_option): Keep dash_z from registering itself.
11197
11198 2009-03-03  Ian Lance Taylor  <iant@google.com>
11199
11200         PR 9918
11201         * target-reloc.h (relocate_section): Pass output_section to
11202         relocate.
11203         * i386.cc (Target_i386::should_apply_static_reloc): Add
11204         output_section parameter.  Change all callers.
11205         (Target_i386::Relocate::relocate): Add output_section parameter.
11206         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11207         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11208         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11209         * testsuite/two_file_shared.sh: New script.
11210         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11211         (check_DATA): Add two_file_shared.dbg.
11212         (two_file_shared.dbg): New target.
11213         * testsuite/Makefile.in: Rebuild.
11214
11215 2009-03-01  Ian Lance Taylor  <iant@google.com>
11216
11217         * configure.ac: Check for byteswap.h.
11218         * configure: Rebuild.
11219         * config.in: Rebuild.
11220
11221 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11222
11223         * layout.cc (Layout::find_or_add_kept_section): New function.
11224         (Layout::add_comdat): Removed.
11225         * layout.h (struct Kept_section): Move out of class Layout.
11226         Remove trailing underscores from field names.  Add group_sections
11227         field.  Rename group_ field to is_group.  Change all uses.
11228         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11229         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11230         comdat_groups_ field.
11231         (Sized_relobj::include_section_group): Use
11232         find_or_add_kept_section and Kept_section::group_sections.
11233         (Sized_relobj::include_linkonce_section): Likewise.
11234         * object.cc (class Sized_relobj): Don't define Comdat_group or
11235         Comdat_group_table.  Remove find_comdat_group and
11236         add_comdat_group.  Remove comdat_groups_ field.
11237         * plugin.cc (include_comdat_group): Use
11238         Layout::find_or_add_kept_section.
11239
11240 2009-02-28  Ian Lance Taylor  <iant@google.com>
11241
11242         * README: --gc-sections and map files are now supported.  Document
11243         some build requirements.
11244
11245         PR 6992
11246         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11247         relocatable link set the value of the section symbol to zero.
11248         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11249         relocatable link don't include the section address in the local
11250         symbol value.
11251
11252 2009-02-27  Ian Lance Taylor  <iant@google.com>
11253
11254         PR 6811
11255         * options.h (class Search_directory): Add is_system_directory.
11256         (class General_options): Declare is_in_system_directory.
11257         * options.cc (get_relative_sysroot): Make static.
11258         (get_default_sysroot): Make static.
11259         (General_optoins::is_in_system_directory): New function.
11260         * fileread.cc (Input_file::is_in_system_directory): New function.
11261         * fileread.h (class Input_file): Declare is_in_system_directory.
11262         * object.h (class Object): Add is_in_system_directory.
11263         (class Input_objects): Remove system_library_directory_ field.
11264         * object.cc (Input_objects::add_object): Don't set
11265         system_library_directory_.
11266         (input_objects::found_in_system_library_directory): Remove.
11267         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11268         parameter.  Change all callers.
11269         (Symbol_table::sized_write_globals): Likewise.
11270         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11271         Call Object::is_in_system_directory.
11272         * symtab.h (class Symbol_table): Update declarations.
11273
11274         PR 5990
11275         * descriptors.h (Open_descriptor): Add is_on_stack field.
11276         * descriptors.cc (Descriptors::open): If the descriptor is on the
11277         top of the stack, remove it.  Initialize is_on_stack field.
11278         (Descriptors::release): Only add pod to stack if it is not on the
11279         stack already.
11280         (Descriptors::close_some_descriptor): Clear stack_next and
11281         is_on_stack fields.
11282
11283         PR 7091
11284         * output.cc (Output_section::find_starting_output_address): Rename
11285         from starting_output_address; add PADDR parameter; change return
11286         type.
11287         * output.h (class Output_section): Declare
11288         find_starting_output_address instead of starting_output_address.
11289         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11290         section symbol for which we can't find a merge section.
11291
11292         PR 9836
11293         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11294         hidden or internal, force the symbol to be local.
11295         * resolve.cc (Symbol::override_visibility): Define.
11296         (Symbol::override_base): Use override_visibility.
11297         (Symbol_table::resolve): Likewise.
11298         (Symbol::override_base_with_special): Likewise.
11299         (Symbol_table::override_with_special): If the visibility is hidden
11300         or internal, force the symbol to be local.
11301         * symtab.h (class Symbol): Add set_visibility and
11302         override_visibility.
11303         * testsuite/ver_test_1.sh: New file.
11304         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11305         (check_DATA): Add ver_test_1.syms.
11306         (ver_test_1.syms): New target.
11307         * testsuite/Makefile.in: Rebuild.
11308
11309 2009-02-25  Cary Coutant  <ccoutant@google.com>
11310
11311         * layout.cc (Layout::choose_output_section): Don't rename sections
11312         when using a linker script that has a SECTIONS clause.
11313         * Makefile.in: Regenerate.
11314
11315         * testsuite/Makefile.am (script_test_5.sh): New test case.
11316         * testsuite/Makefile.in: Regenerate.
11317         * testsuite/script_test_5.cc: New file.
11318         * testsuite/script_test_5.sh: New file.
11319         * testsuite/script_test_5.t: New file.
11320
11321 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11322
11323         * archive.cc (Archive::include_member): Update calls to add_symbols.
11324         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11325         the Layout argument.
11326         * dynobj.h (do_add_symbols): Add the Layout argument.
11327         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11328         Layout argument.
11329         * object.h (Object::add_symbols): Add the Layout argument.
11330         (Object::do_add_symbols): Add the Layout argument.
11331         (Sized_relobj::do_add_symbols): Add the Layout argument.
11332         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11333         Unify the two versions.
11334         (Add_plugin_symbols): Remove.
11335         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11336         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11337         (Add_plugin_symbols): Remove.
11338         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11339         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11340         (Add_symbols::run): Make it work with Pulginobj.
11341
11342 2009-02-06  Ian Lance Taylor  <iant@google.com>
11343
11344         * object.cc (Sized_relobj::do_layout): Make info message start
11345         with lower case letter.
11346
11347 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11348
11349         * binary.cc: Fix file comment.
11350
11351         * options.h (enum Incremental_disposition): Define.
11352         (class General_options): Add new options: --incremental,
11353         --incremental_changed, --incremental_unchanged,
11354         --incremental_unknown.  Add incremental_disposition_ and
11355         implicit_incremental_ fields.
11356         (General_options::incremental_disposition): New function.
11357         (class Position_dependent_options): Add incremental_disposition
11358         option.
11359         (Position_dependent_options::copy_from_options): Set incremental
11360         dispositions.
11361         * options.cc (General_options::parse_incremental_changed): New
11362         function.
11363         (General_options::parse_incremental_unchanged): New function.
11364         (General_options::parse_incremental_unknown): New function.
11365         (General_options::General_options): Initialize new fields
11366         incremental_disposition_ and implicit_incremental_.
11367         (General_options::finalize): Check for uasge of --incremental-*
11368         without --incremental.
11369
11370 2009-02-06  Chris Demetriou  <cgd@google.com>
11371
11372         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11373         pointer and to report location as the file name associated with
11374         the symbol.
11375         (gold_undefined_symbol_at_location): New function to replace the
11376         old gold_undefined_symbol functionality.
11377         * target-reloc.h (relocate_section): Update to use
11378         gold_undefined_symbol_at_location.
11379         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11380         Call gold_undefined_symbol function rather than gold_error.
11381         * errors.h (Errors::undefined_symbol): Take location as a
11382         string, rather than calculating it from a relocation.
11383         * errors.cc (Errors::fatal): Print "fatal error:" before the
11384         formatted message.
11385         (Errors::error, Errors::error_at_location): Print "error: "
11386         before the formatted message.
11387         (Errors::undefined_symbol): Take location as a string, rather
11388         than calculating it from a relocation.
11389         (gold_undefined_symbol_at_location): New function akin to
11390         old gold_undefined_symbol, calculates location from relocation.
11391         (gold_undefined_symbol): Change to take only a Symbol pointer
11392         and to report location as the file name associated with the symbol.
11393         * testsuite/debug_msg.sh: Update for changed error messages.
11394         * testsuite/undef_symbol.sh: Likewise.
11395
11396 2009-02-04  Duncan Sands  <baldrick@free.fr>
11397
11398         PR 9812
11399         * reduced_debug_output.h
11400         (Output_reduced_debug_abbrev_section::failed): Use format for
11401         gold_warning.
11402         (Output_reduced_debug_info_section::faild): Likewise.
11403
11404 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11405
11406         * script.cc (Lazy_demangler): New class.
11407         (Version_script_info::get_symbol_version_helper): Demangle a
11408         symbol only once.
11409
11410 2009-01-29  Cary Coutant  <ccoutant@google.com>
11411
11412         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11413         to __tls_get_addr.
11414         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11415
11416 2009-01-28  Ian Lance Taylor  <iant@google.com>
11417
11418         * version.cc (version_string): Bump to 1.9.
11419
11420         * gold.h: Include <cstring> and <stdint.h>.
11421         * version.cc: Include <cstdio>.
11422         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11423         warning.
11424         * reduced_debug_output.cc (insert_into_vector): Rename from
11425         Insert_into_vector; change all callers.  Use Swap_unaligned to
11426         avoid aliasing issue; remove union since it is unnecessary.
11427
11428 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11429
11430         * Makefile.am (CCFILES): Add gc.cc.
11431         (HFILES): Add gc.h.
11432         * Makefile.in: Regenerate.
11433         * gold.cc (Gc_runner): New class.
11434         (queue_initial_tasks): Call garbage collection related tasks
11435         when corresponding options are invoked.
11436         (queue_middle_gc_tasks): New function.
11437         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11438         processed early before laying out sections during garbage collection.
11439         * gold.h (queue_middle_gc_tasks): New function.
11440         (is_prefix_of): Move from "layout.cc".
11441         * i386.cc (Target_i386::gc_process_relocs): New function.
11442         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11443         * main.cc (main): Create object of class "Garbage_collection".
11444         * object.cc (Relobj::copy_symbols_data): New function.
11445         (Relobj::is_section_name_included): New function.
11446         (Sized_relobj::do_layout): Allow this function to be called twice
11447         during garbage collection and defer layout of section during the
11448         first call.
11449         * object.h (Relobj::get_symbols_data): New function.
11450         (Relobj::is_section_name_included): New function.
11451         (Relobj::copy_symbols_data): New function.
11452         (Relobj::set_symbols_data): New function.
11453         (Relobj::get_relocs_data): New function.
11454         (Relobj::set_relocs_data): New function.
11455         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11456         (Relobj::gc_process_relocs): New function.
11457         (Relobj::do_gc_process_relocs): New pure virtual function.
11458         (Relobj::sd_): New data member.
11459         (Sized_relobj::is_output_section_offset_invalid): New function.
11460         (Sized_relobj::do_gc_process_relocs): New function.
11461         * options.h (General_options::gc_sections): Modify to not be a no-op.
11462         (General_options::print_gc_sections): New option.
11463         * plugin.cc (Plugin_finish::run): Remove function call to
11464         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11465         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11466         * reloc.cc (Read_relocs::run): Add task to process relocs and
11467         determine unreferenced sections when doing garbage collection.
11468         (Gc_process_relocs): New class.
11469         (Sized_relobj::do_gc_process_relocs): New function.
11470         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11471         sections that are garbage collected.
11472         * reloc.h (Gc_process_relocs): New class.
11473         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11474         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11475         symbols whose corresponding sections are garbage collected.
11476         (Symbol_table::Symbol_table): Add new parameter for the garbage
11477         collection object.
11478         (Symbol_table::gc_mark_undef_symbols): New function.
11479         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11480         (Symbol_table::gc_mark_dyn_syms): New function.
11481         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11482         as garbage.
11483         (Symbol_table::add_from_object): Likewise.
11484         (Symbol_table::add_from_relobj): When building shared objects, do not
11485         treat externally visible symbols as garbage.
11486         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11487         table information for static and relocatable links.
11488         * symtab.h (Symbol_table::set_gc): New function.
11489         (Symbol_table::gc): New function.
11490         (Symbol_table::gc_mark_undef_symbols): New function.
11491         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11492         (Symbol_table::gc_mark_dyn_syms): New function.
11493         (Symbol_table::gc_): New data member.
11494         * target.h (Sized_target::gc_process_relocs): New pure virtual
11495         function.
11496         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11497         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11498
11499 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11500
11501         * options.h (General_options::gc_sections): Define as a no-op for now.
11502         (General_options::no_keep_memory): Ditto.
11503         (General_options::Bshareable): Define.
11504         * options.cc (General_options::finalize): Honor -Bshareable.
11505
11506 2009-01-20  Andreas Schwab  <schwab@suse.de>
11507
11508         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11509         read the value in the contents, since we don't use it.  Use the
11510         template endianness when writing.
11511         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11512
11513 2009-01-19  Andreas Schwab  <schwab@suse.de>
11514
11515         * configure.tgt (powerpc64-*): Fix targ_obj.
11516
11517 2009-01-15  Ian Lance Taylor  <iant@google.com>
11518
11519         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11520         local symbols when stripping all symbols.
11521
11522 2009-01-14  Cary Coutant  <ccoutant@google.com>
11523
11524         * output.cc (Output_reloc): Add explicit instantiations.
11525
11526 2009-01-14  Cary Coutant  <ccoutant@google.com>
11527
11528         * archive.cc (Archive::get_elf_object_for_member): Remove call
11529         to File_read::claim_for_plugin.
11530         * descriptors.cc (Descriptors::open): Remove reference to
11531         is_claimed.
11532         (Descriptors::claim_for_plugin): Remove.
11533         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11534         (Descriptors::is_claimed): Remove.
11535         (claim_descriptor_for_plugin): Remove.
11536         * fileread.cc (File_read::claim_for_plugin): Remove.
11537         * fileread.h (File_read::claim_for_plugin): Remove.
11538         (File_read::descriptor): Reopen descriptor if necessary.
11539         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11540         (Plugin_manager::all_symbols_read): Add task parameter. Change
11541         all callers.
11542         (Plugin_manager::get_input_file): New function.
11543         (Plugin_manager::release_input_file): New function.
11544         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11545         corresponding data member.
11546         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11547         and pass to base constructor. Change all callers.
11548         (get_input_file, release_input_file): New functions.
11549         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11550         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11551         (Plugin_manager::all_symbols_read): Add task parameter.
11552         (Plugin_manager::get_input_file): New function.
11553         (Plugin_manager::release_input_file): New function.
11554         (Plugin_manager::task_): New data member.
11555         (Pluginobj::Pluginobj): Add filesize parameter.
11556         (Pluginobj::filename): New function.
11557         (Pluginobj::descriptor): New function.
11558         (Pluginobj::filesize): New function.
11559         (Pluginobj::filesize_): New data member.
11560         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11561         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11562         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11563
11564         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11565         with archive libraries.
11566         * testsuite/Makefile.in: Regenerate.
11567         * testsuite/plugin_test.c (struct sym_info): New type.
11568         (get_input_file, release_input_file): New static variables.
11569         (onload): Capture new transfer vector entries.
11570         (claim_file_hook): Stop reading at end of file according to filesize.
11571         Factor out parsing of readelf output into separate function.
11572         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11573         APIs and get the source file name from the symbol table.  Convert
11574         source file name to corresponding object file name.  Print info
11575         message when adding new input files.
11576         (parse_readelf_line): New function.
11577         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11578         * testsuite/plugin_test_2.sh: Likewise.
11579         * testsuite/plugin_test_3.sh: Likewise.
11580         * testsuite/plugin_test_4.sh: New test case.
11581
11582 2009-01-07  Ian Lance Taylor  <iant@google.com>
11583
11584         * version.cc (version_string): Bump to 1.8.
11585
11586 2008-12-23  Cary Coutant  <ccoutant@google.com>
11587
11588         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11589         * plugin.cc (Plugin_manager::finish): Rename as
11590         layout_deferred_objects.  Move cleanup to separate function.
11591         (Plugin_manager::cleanup): New function.
11592         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11593         separately.
11594         * plugin.h (Plugin_manager::finish): Rename as
11595         layout_deferred_objects.
11596         (Plugin_manager::cleanup): New function.
11597         (Plugin_manager::cleanup_done): New field.
11598
11599 2008-12-23  Cary Coutant  <ccoutant@google.com>
11600
11601         * plugin.cc (is_visible_from_outside): New function.
11602         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11603         so we don't return "IR only" status for exported symbols or -r links.
11604
11605         * testsuite/Makefile.am (plugin_test_3): New test case.
11606         * testsuite/Makefile.in: Regenerate.
11607         * testsuite/plugin_test_3.sh: New file.
11608
11609 2008-12-22  Cary Coutant  <ccoutant@google.com>
11610
11611         * object.cc (Sized_relobj::layout_section): New function.
11612         (Sized_relobj::do_layout): Defer layout of input sections until after
11613         plugin has provided replacement files.
11614         (Sized_relobj::do_layout_deferred_sections): New function.
11615         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11616         (Relobj::layout_deferred_sections): New function.
11617         (Relobj::do_layout_deferred_sections): New function.
11618         (Sized_relobj::do_layout_deferred_sections): New function.
11619         (Sized_relobj::layout_section): New function.
11620         (Sized_relobj::Deferred_layout): New structure.
11621         (Sized_relobj::deferred_layout_): New field.
11622         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11623         Change all callers.  Layout deferred sections.
11624         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11625         references.
11626         (Plugin_hook::run): Move code from do_plugin_hook inline.
11627         (Plugin_hook::do_plugin_hook): Remove.
11628         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11629         (Plugin_manager::finish): Renamed, was cleanup.
11630         (Plugin_manager::should_defer_layout): New function.
11631         (Plugin_manager::add_deferred_layout_object): New function.
11632         (Plugin_manager::Deferred_layout_list): New type.
11633         (Plugin_manager::deferred_layout_objects_): New field.
11634         (Plugin_hook::do_plugin_hook): Remove.
11635
11636 2008-12-17  Ian Lance Taylor  <iant@google.com>
11637
11638         * options.h (class General_options): Add --no case for
11639         --export-dynamic.
11640
11641 2008-12-16  Cary Coutant  <ccoutant@google.com>
11642
11643         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11644         vector.
11645         (Plugin_manager::claim_file): Create plugin object even if
11646         plugin did not call the add_symbols callback.
11647         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11648         asking for more symbols than were added.
11649         * testsuite/Makefile.am (plugin_test_1): Add test case with
11650         no global symbols.
11651         (empty.syms): New target.
11652         * testsuite/Makefile.in: Regenerate.
11653         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11654         message. Don't call add_symbols if no globals.
11655         (all_symbols_read_hook): Don't provide replacement for empty
11656         claimed file.
11657
11658 2008-12-12  Ian Lance Taylor  <iant@google.com>
11659
11660         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11661         r_type == 0 for a local symbol with r_sym == 0.
11662         (scan_relocatable_relocs): Pass r_sym to
11663         local_non_section_strategy.
11664         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11665         r_sym parameter.
11666
11667         * configure.ac: Update test for TLS descriptors: they are
11668         supported as of glibc 2.9.
11669         * configure: Rebuild.
11670
11671 2008-12-11  Ian Lance Taylor  <iant@google.com>
11672
11673         PR 7091
11674         * target-reloc.h (Default_scan_relocatable_relocs): For each
11675         function, map r_type == 0 to RELOC_DISCARD.
11676
11677 2008-12-10  Cary Coutant  <ccoutant@google.com>
11678
11679         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11680         object to override a kept COMDAT group from a plugin object.
11681
11682 2008-12-09  Ian Lance Taylor  <iant@google.com>
11683
11684         PR 7088
11685         * yyscript.y (file_cmd): Handle INPUT.
11686
11687         * testsuite/initpri1.c: Change all declarations to be full
11688         prototypes by adding void, to avoid compiler warnings.
11689
11690 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11691
11692         * options.cc (General_options::parse_plugin_opt): New.
11693         (General_options::add_plugin): The argument now is just the filename.
11694         (General_options::add_plugin_option): New.
11695         * options.h (plugin_opt): New.
11696         (add_plugin): Change argument name.
11697         (add_plugin_option): New.
11698         * plugin.cc (Plugin::load): Don't parse the plugin option.
11699         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11700         (Plugin::add_option): New.
11701         (Plugin::args_): Change type.
11702         (Plugin::filename_): New.
11703         (Plugin_manager::add_plugin_option): New.
11704         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11705         * testsuite/Makefile.in: Regenerate.
11706
11707 2008-12-05  Cary Coutant  <ccoutant@google.com>
11708
11709         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11710         Handle --strip-lto-sections option.
11711         * options.h (strip_lto_sections): New option.
11712
11713 2008-12-01  Cary Coutant  <ccoutant@google.com>
11714
11715         * plugin.cc (ld_plugin_message): Change format parameter to const.
11716         Fix mismatch between new[] and delete.
11717
11718 2008-11-14  Cary Coutant  <ccoutant@google.com>
11719
11720         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11721         instead of -1U.
11722
11723 2008-11-05  Craig Silverstein  <csilvers@google.com>
11724
11725         * options.cc (General_options::parse_dynamic_list): New function.
11726         * options.h (General_options): New flags dynamic_list,
11727         dynamic_list_data, dynamic_list_cpp_new, and
11728         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11729         (General_options::in_dynamic_list): New function.
11730         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11731         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11732         (Lex::can_continue_name): Likewise.
11733         (yylex): Likewise.
11734         (read_script_file): New parameter script_options.
11735         (read_dynamic_list): New function.
11736         (Script_options::define_dynamic_list): New function.
11737         (dynamic_list_keyword_parsecodes): New variable.
11738         (dynamic_list_keywords): New variable.
11739         * script.h (Script_options::define_dynamic_list): New function
11740         prototype.
11741         (read_dynamic_list): New function prototype.
11742         * symtab.cc (strprefix): New macro.
11743         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11744         dynamic_list_data, dynamic_list_cpp_new, and
11745         dynamic_list_cpp_typeinfo.
11746         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11747         (dynamic_list_expr): New rule.
11748         (dynamic_list_nodes): Likewise.
11749         (dynamic_list_node): Likewise.
11750         * testsuite/Makefile.am (dynamic_list): New test.
11751         * testsuite/Makefile.in: Regenerated.
11752         * testsuite/dynamic_list.t: New file.
11753         * testsuite/dynamic_list.sh: New file.
11754
11755 2008-11-05  Craig Silverstein  <csilvers@google.com>
11756
11757         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11758         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11759         (t11_last): Likewise.
11760         * testsuite/ver_test_6.c (main): Likewise.
11761
11762 2008-10-07  Cary Coutant  <ccoutant@google.com>
11763
11764         * options.c (General_options::finalize): Add check for -static and
11765         -shared.
11766         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11767         is not empty.
11768
11769 2008-10-02  Cary Coutant  <ccoutant@google.com>
11770
11771         * plugin.cc (make_sized_plugin_object): Fix conditional
11772         compilation to work when not all targets are enabled.
11773
11774 2008-09-29  Cary Coutant  <ccoutant@google.com>
11775
11776         * archive.cc (Archive::get_file_and_offset): Use filename instead
11777         of name to get library path.
11778         (Archive::include_member): Unlock external member of a thin archive.
11779
11780         * testsuite/Makefile.am (TEST_AR): New variable.
11781         (thin_archive_test_1): New test.
11782         (thin_archive_test_2): New test.
11783         * testsuite/Makefile.in: Regenerate.
11784         * testsuite/thin_archive_main.cc: New file.
11785         * testsuite/thin_archive_test_1.cc: New file.
11786         * testsuite/thin_archive_test_2.cc: New file.
11787         * testsuite/thin_archive_test_3.cc: New file.
11788         * testsuite/thin_archive_test_4.cc: New file.
11789
11790 2008-09-29  Cary Coutant  <ccoutant@google.com>
11791
11792         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11793         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11794         instead of -1U.
11795         (Sized_relobj::do_finalize_local_symbols): Likewise.
11796         (Sized_relobj::map_to_kept_section): Likewise.
11797         * object.h (Sized_relobj::invalid_address): New constant.
11798         (Sized_relobj::do_output_section_offset): Check for invalid_address
11799         and return -1ULL.
11800         * output.cc (Output_reloc::local_section_offset): Use constant
11801         invalid_address instead of -1U.
11802         (Output_reloc::get_address): Likewise.
11803         (Output_section::output_address): Change -1U to -1ULL.
11804         * output.h (Output_reloc::invalid_address): New constant.
11805         * reloc.cc (Sized_relobj::write_sections): Use constant
11806         invalid_address instead of -1U.
11807         (Sized_relobj::relocate_sections): Likewise.
11808         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11809         values for merge sections.
11810         * target-reloc.h (relocate_for_relocatable): Use constant
11811         invalid_address instead of -1U.
11812
11813 2008-09-19  Cary Coutant  <ccoutant@google.com>
11814
11815         Add plugin functionality for link-time optimization (LTO).
11816         * configure.ac (plugins): Add --enable-plugins option.
11817         * configure: Regenerate.
11818         * config.in: Regenerate.
11819         * Makefile.am (LIBDL): New variable.
11820         (CCFILES): Add plugin.cc.
11821         (HFILES): Add plugin.h.
11822         (ldadd_var): Add LIBDL.
11823         * Makefile.in: Regenerate.
11824
11825         * archive.cc: Include "plugin.h".
11826         (Archive::setup): Don't preread archive symbols when using a plugin.
11827         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11828         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11829         files.
11830         (Archive::include_member): Add symbols from plugin objects.
11831         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11832         * descriptors.cc (Descriptors::open): Check for file descriptors
11833         abandoned by plugins.
11834         (Descriptors::claim_for_plugin): New function.
11835         * descriptors.h (Descriptors::claim_for_plugin): New function.
11836         (Open_descriptor::is_claimed): New field.
11837         (claim_descriptor_for_plugin): New function.
11838         * fileread.cc (File_read::claim_for_plugin): New function.
11839         * fileread.h (File_read::claim_for_plugin): New function.
11840         (File_read::descriptor): New function.
11841         * gold.cc: Include "plugin.h".
11842         (queue_initial_tasks): Add task to call plugin hooks for generating
11843         new object files.
11844         * main.cc: Include "plugin.h".
11845         (main): Load plugin libraries.
11846         * object.h (Pluginobj): Declare.
11847         (Object::pluginobj): New function.
11848         (Object::do_pluginobj): New function.
11849         (Object::set_target): New function.
11850         * options.cc: Include "plugin.h".
11851         (General_options::parse_plugin): New function.
11852         (General_options::General_options): Initialize plugins_ field.
11853         (General_options::add_plugin): New function.
11854         * options.h (Plugin_manager): Declare.
11855         (General_options): Add --plugin option.
11856         (General_options::has_plugins): New function.
11857         (General_options::plugins): New function.
11858         (General_options::add_plugin): New function.
11859         (General_options::plugins_): New field.
11860         * plugin.cc: New file.
11861         * plugin.h: New file.
11862         * readsyms.cc: Include "plugin.h".
11863         (Read_symbols::do_read_symbols): Check for archive before checking
11864         for ELF file.  Call plugin hooks to claim files.
11865         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11866         from a real object file; force override when processing replacement
11867         files.
11868         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11869         (Symbol::init_base_object): Likewise.
11870         (Symbol::init_base_output_data): Likewise.
11871         (Symbol::init_base_output_segment): Likewise.
11872         (Symbol::init_base_constant): Likewise.
11873         (Symbol::init_base_undefined): Likewise.
11874         (Symbol::output_section): Assert that object is not a plugin.
11875         (Symbol_table::add_from_pluginobj): New function.
11876         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11877         undefined.
11878         (Symbol_table::sized_write_globals): Likewise.
11879         (Symbol_table::add_from_pluginobj): Instantiate template.
11880         * symtab.h (Sized_pluginobj): Declare.
11881         (Symbol::in_real_elf): New function.
11882         (Symbol::set_in_real_elf): New function.
11883         (Symbol::in_real_elf_): New field.
11884         (Symbol_table::add_from_pluginobj): New function.
11885
11886         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11887         (LIBDL): New variable.
11888         (LDADD): Add LIBDL.
11889         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11890         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11891         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11892         (MOSTLYCLEANFILES): Likewise.
11893         * testsuite/Makefile.in: Regenerate.
11894         * testsuite/plugin_test.c: New file.
11895         * testsuite/plugin_test_1.sh: New file.
11896         * testsuite/plugin_test_2.sh: New file.
11897
11898 2008-09-16  Ian Lance Taylor  <iant@google.com>
11899
11900         * target-reloc.h (relocate_section): Check whether a symbol is
11901         defined by the ABI before reporting an undefined symbol error.
11902         * target.h (Target::is_defined_by_abi): Make parameter const.
11903         (Target::do_is_defined_by_abi): Likewise.
11904         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11905         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11906         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11907         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11908         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11909         * testsuite/Makefile.in: Rebuild.
11910
11911         * fileread.cc (make_view): Add casts to avoid warning.
11912
11913 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11914
11915         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11916         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11917
11918 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11919
11920         * options.h (General_options::output_is_executable): New.
11921         (General_options::output_is_pie): New.
11922         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11923         for shared libraries.
11924         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11925
11926 2008-09-11  Chris Demetriou  <cgd@google.com>
11927
11928         * options.h (origin): New -z option.
11929         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11930         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11931         in DT_FLAGS_1.
11932
11933 2008-09-05  Cary Coutant  <ccoutant@google.com>
11934
11935         * fileread.cc (File_read::make_view): Add check for attempt to map
11936         beyond end of file.
11937
11938 2008-09-05  Cary Coutant  <ccoutant@google.com>
11939
11940         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11941         explicit instantiations.
11942
11943 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11944
11945         PR gold/6858
11946         * options.cc (General_options::finalize): Allow undefined symbols
11947         in shlibs if linking -shared.
11948
11949         PR gold/6859
11950         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11951         symbols as not needing a dynsym entry.
11952
11953 2008-08-20  Craig Silverstein  <csilvers@google.com>
11954
11955         * fileread.cc (File_read::open): Do not lock the file unless it
11956         was successfully opened.
11957
11958 2008-08-14  Cary Coutant  <ccoutant@google.com>
11959
11960         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11961         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11962         * testsuite/tls_test.cc (struct int128): 128-bit struct
11963         for testing TLS relocs with non-zero addend.
11964         (v12): New TLS variable.
11965         (t12): New test.
11966         (t_last): Add check for v12.
11967         * testsuite/tls_test.h (t12): New function.
11968         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11969
11970 2008-08-13  Ian Lance Taylor  <iant@google.com>
11971
11972         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11973         set tls_segment_ or relro_segment_.
11974         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11975         when appropriate.
11976         * output.h (Output_section::clear_is_relro): New function.
11977         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11978         sections specially even when output_data_ is empty.
11979         (Output_segment::maximum_alignment): When first section is relro,
11980         only force alignment for PT_LOAD segments.
11981         * script.cc (script_data_segment_align): New function.
11982         (script_data_segment_relro_end): New function.
11983         * script-c.h (script_data_segment_align): Declare.
11984         (script_data_segment_relro_end): Declare.
11985         * script-sections.h (class Script_sections): Declare
11986         data_segment_align and data_segment_relro_end.  Add fields
11987         segment_align_index_ and saw_relro_end_.
11988         * script-sections.cc (class Sections_element): Add set_is_relro
11989         virtual function.  Add new bool* parameter to place_orphan_here.
11990         Add get_output_section virtual function.
11991         (class Output_section_definition): Add set_is_relro.  Add new
11992         bool* parameter to place_orphan_here.  Add get_output_section.
11993         Add is_relro_ field.
11994         (Output_section_definition::Output_section_definition): Initialize
11995         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11996         and is_relro_ fields.
11997         (Output_section_definition::place_orphan_here): Add is_relro
11998         parameter.
11999         (Output_section_definition::set_section_addresses): Set relro for
12000         output section.
12001         (Output_section_definition::alternate_constraint): Likewise.
12002         (class Orphan_output_section): Add new bool* parameter to
12003         place_orphan_here.  Add get_output_section.
12004         (Orphan_output_section::place_orphan_here): Add is_relro
12005         parameter.
12006         (Script_sections::Script_sections): Initialize
12007         data_segment_align_index_ and saw_relro_end_.
12008         (Script_sections::data_segment_align): New function.
12009         (Script_sections::data_segment_relro_end): New function.
12010         (Script_sections::place_orphan): Set or clear is_relro.
12011         (Script_sections::set_section_addresses): Force alignment of first
12012         TLS section.
12013         * yyscript.y (exp): Call script_data_segment_align and
12014         script_data_segment_relro_end.
12015         * testsuite/relro_script_test.t: New file.
12016         * testsuite/relro_test.cc (using_script): Declare.
12017         (t1, t2): Test using_script.
12018         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12019         (relro_script_test_SOURCES): Define.
12020         (relro_script_test_DEPENDENCIES): Define.
12021         (relro_script_test_LDFLAGS): Define.
12022         (relro_script_test_LDADD): Define.
12023         (relro_script_test.so): New target.
12024         * testsuite/Makefile.in: Rebuild.
12025
12026 2008-08-06  Cary Coutant <ccoutant@google.com>
12027
12028         * archive.cc (Archive::total_archives, Archive::total_members)
12029         (Archive::total_members_loaded): New variables.
12030         (Archive::setup): Add parameter.  Add option to preread
12031         archive symbols.
12032         (Archive::read_armap): Add counter.
12033         (Archive::get_file_and_offset): New function.
12034         (Archive::get_elf_object_for_member): New function.
12035         (Archive::read_all_symbols): New function.
12036         (Archive::read_symbols): New function.
12037         (Archive::add_symbols): Add counters.
12038         (Archive::include_all_members): Use armap to find members if it's
12039         already built.
12040         (Archive::include_member): Skip reading symbols if already read.
12041         Factored code into Archive::get_file_and_offset and
12042         Archive::get_elf_object_for_member.  Changed call to
12043         Mapfile::report_include_archive_member.
12044         (Archive::print_stats): New function.
12045         * archive.h: Declare Object and Read_symbols_data classes.
12046         (Archive::Archive): Add initializers for new members.
12047         (Archive::setup): Add parameter.
12048         (Archive::print_stats): New function.
12049         (Archive::total_archives, Archive::total_members)
12050         (Archive::total_members_loaded): New variables.
12051         (Archive::get_file_and_offset): New function.
12052         (Archive::get_elf_object_for_member): New function.
12053         (Archive::read_all_symbols): New function.
12054         (Archive::read_symbols): New function.
12055         (Archive::Archive_member): New class.
12056         (Archive::members_): New member.
12057         (Archive::num_members_): New member.
12058         * main.cc: Include archive.h.
12059         (main): Call Archive::print_stats.
12060         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12061         archive parameter; member_name is now the fully-decorated name.
12062         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12063         * options.h: (General_options): Add --preread-archive-symbols option.
12064         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12065         Archive::setup.
12066
12067 2008-08-04  Ian Lance Taylor  <iant@google.com>
12068
12069         * symtab.h (Symbol::use_plt_offset): New function.
12070         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12071         * powerpc.cc (Relocate::relocate): Likewise.
12072         * sparc.cc (Relocate::relocate): Likewise.
12073         * x86_64.cc (Relocate::relocate): Likewise.
12074         * testsuite/weak_plt.sh: New test.
12075         * testsuite/weak_plt_main.cc: New test.
12076         * testsuite/weak_plt_shared.cc: New test.
12077         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12078         (check_PROGRAMS): Add weak_plt.
12079         (check_DATA): Add weak_plt_shared.so.
12080         (weak_plt_main_pic.o, weak_plt): New targets.
12081         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12082         * testsuite/Makefile.in: Rebuild.
12083
12084         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12085         gcctestdir/ld.
12086         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12087         * testsuite/Makefile.in: Rebuild.
12088
12089 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12090
12091         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12092         * Makefile.in: Regenerate.
12093         * po/POTFILES.in: Regenerate.
12094
12095 2008-07-29  Ian Lance Taylor  <iant@google.com>
12096
12097         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12098         symbols before other symbols.
12099         * testsuite/script_test_2.cc (test_addr): Declare.
12100         (test_addr_alias): Declare.
12101         (main): Check that test_addr and test_addr_alias have the right
12102         values.
12103         * testsuite/script_test_2.t: Define test_addr_alias and
12104         test_addr.
12105
12106 2008-07-24  Ian Lance Taylor  <iant@google.com>
12107
12108         PR 5990
12109         * descriptors.cc: New file.
12110         * descriptors.h: New file.
12111         * gold-threads.h (class Hold_optional_lock): New class.
12112         * fileread.cc: Include "descriptors.h".
12113         (File_read::~File_read): Release descriptor rather than closing
12114         it.
12115         (File_read::open) [file]: Call open_descriptor rather than open.
12116         Set is_descriptor_opened_.
12117         (File_read::open) [memory]: Assert that descriptor is not open.
12118         (File_read::reopen_descriptor): New function.
12119         (File_read::release): Release descriptor.
12120         (File_read::do_read): Make non-const.  Reopen descriptor.
12121         (File_read::read): Make non-const.
12122         (File_read::make_view): Reopen descriptor.
12123         (File_read::do_readv): Likewise.
12124         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12125         Update declarations.
12126         * layout.cc: Include "descriptors.h".
12127         (Layout::create_build_id): Use open_descriptor rather than open.
12128         * output.cc: Include "descriptors.h".
12129         (Output_file::open): Use open_descriptor rather than open.
12130         * archive.cc (Archive::const_iterator): Change Archive to be
12131         non-const.
12132         (Archive::begin, Archive::end): Make non-const.
12133         (Archive::count_members): Likewise.
12134         * archive.h (class Archive): Update declarations.
12135         * object.h (Object::read): Make non-const.
12136         * Makefile.am (CCFILES): Add descriptors.cc.
12137         (HFILES): Add descriptors.h.
12138         * Makefile.in: Rebuild.
12139
12140         PR 6716
12141         * gold.h: Always include <clocale>.  Add Solaris workarounds
12142         following code in binutils/sysdep.h.
12143
12144         PR 6048
12145         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12146         this->eh_frame_hdr_ is NULL before using it.
12147
12148         * dynobj.cc (Versions::Versions): Update comment.
12149
12150         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12151         the base version name.
12152
12153         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12154         array size plus one.
12155         (Stringpool_template::set_string_offsets): Subtract one from key
12156         before using it as an array index.
12157         (Stringpool_template::get_offset_with_length): Likewise.
12158         (Stringpool_template::write_to_buffer): Likewise.
12159         * stringpool.h (Stringpool_template::get_offset_from_key):
12160         Likewise.
12161
12162 2008-07-23  Ian Lance Taylor  <iant@google.com>
12163
12164         PR 6658
12165         * object.h (Merged_symbol_value::value): Do our best to handle a
12166         negative addend.
12167
12168         PR 6647
12169         * script.cc (Version_script_info::get_versions): Don't add empty
12170         version tag to return value.
12171         (Version_script_info::get_symbol_version_helper): Change return
12172         type to bool.  Add pversion parameter.  Change all callers.
12173         (script_register_vers_node): Don't require a non-NULL tag.
12174         * script.h (class Version_script_info): Update declarations.
12175         (Version_script_info::get_symbol_version): Change return type to
12176         bool.  Add version parameter.  Change all callers.
12177         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12178         handling.  Handle an empty version from a version script.
12179         (Symbol_table::define_special_symbol): Likewise.
12180         * testsuite/ver_test_10.script: New file.
12181         * testsuite/ver_test_10.sh: New file.
12182         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12183         (check_DATA): Add ver_test_10.syms.
12184         (ver_test_10.syms, ver_test_10.so): New target.
12185         * testsuite/Makefile.in: Rebuild.
12186
12187 2008-07-23  Simon Baldwin  <simonb@google.com>
12188
12189         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12190         to zero for undefined symbols from dynamic libraries.
12191
12192 2008-07-23  Ian Lance Taylor  <iant@google.com>
12193
12194         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12195         Change all callers.
12196         * symtab.h (class Symbol_table): Update declaration.
12197         * testsuite/ver_test_9.cc: New file.
12198         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12199         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12200         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12201         (ver_test_9.so, ver_test_9.o): New targets.
12202         * testsuite/Makefile.in: Rebuild.
12203
12204 2008-07-22  Ian Lance Taylor  <iant@google.com>
12205
12206         * options.h (class General_options): Define --check-sections.
12207         * layout.cc (Layout::set_segment_offsets): Handle
12208         --check-sections.
12209
12210         * options.h (class General_options): Define -n/--nmagic and
12211         -N/--omagic.
12212         * options.cc (General_options::finalize): For -n/--nmagic or
12213         -N/--omagic, set -static.
12214         * layout.cc (Layout::attach_allocated_section_to_segment): If
12215         -N/--omagic, don't put read-only and read-write sections in
12216         different segments.
12217         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12218         finding a read-only segment.
12219         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12220         don't set the minimum segment alignment to the common page size,
12221         and don't set the file offset to the address modulo the page size.
12222         * script-sections.cc (Script_sections::create_segments): If
12223         -n/--omagic, don't put read-only and read-write sections in
12224         different segments.
12225
12226         * cref.cc: New file.
12227         * cref.h: New file.
12228         * options.h (class General_options): Add --print-symbol-counts.
12229         * main.cc (main): Issue defined symbol report if requested.
12230         * archive.cc (Archive::interpret_header): Make into a const member
12231         function.
12232         (Archive::add_symbols): Call Input_objects::archive_start and
12233         archive_stop.
12234         (Archive::const_iterator): Define new class.
12235         (Archive::begin, Archive::end): New functions.
12236         (Archive::include_all_members): Rewrite to use iterator.
12237         (Archive::count_members): New function.
12238         * archive.h (class Archive): Update declarations.
12239         (Archive::filename): New function.
12240         * object.cc: Include "cref.h".
12241         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12242         (Sized_relobj::do_get_global_symbol_counts): New function.
12243         (Input_objects::add_object): Add object to cross-referencer.
12244         (Input_objects::archive_start): New function.
12245         (Input_objects::archive_stop): New function.
12246         (Input_objects::print_symbol_counts): New function.
12247         * object.h: Declare Cref and Archive.
12248         (Object::get_global_symbol_counts): New function.
12249         (Object::do_get_global_symbol_counts): New pure virtual function.
12250         (class Sized_relobj): Add defined_count_ field.  Update
12251         declarations.
12252         (class Input_objects): Add cref_ field.  Update constructor.
12253         Update declarations.
12254         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12255         defined_count_.
12256         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12257         symbol counts.
12258         (Sized_dynobj::do_get_global_symbol_counts): New function.
12259         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12260         defined_count_.  Update declarations.  Define Symbols typedef.
12261         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12262         parameter.  Change all callers.
12263         (Symbol_table::add_from_dynobj): Add sympointers and defined
12264         parameters.  Change all callers.
12265         * symtab.h (class Symbol_table): Update declarations.
12266         * Makefile.am (CCFILES): Add cref.cc.
12267         (HFILES): Add cref.h.
12268         * Makefile.in: Rebuild.
12269
12270 2008-07-22  Simon Baldwin  <simonb@google.com>
12271
12272         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12273         to zero when writing undefined symbols.
12274
12275 2008-07-22  Ian Lance Taylor  <iant@google.com>
12276
12277         * output.cc (Output_section::add_input_section): Don't try to
12278         merge empty merge sections.
12279
12280 2008-07-21  Craig Silverstein  <csilvers@google.com>
12281
12282         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12283         Include symbol version in error message.
12284
12285 2008-07-20  Chris Demetriou  <cgd@google.com>
12286
12287         * configure.ac (gold_cv_c_random_seed): New configured variable.
12288         (RANDOM_SEED_CFLAGS): New substituted variable.
12289         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12290         * configure: Rebuild.
12291         * Makefile.in: Likewise.
12292         * testsuite/Makefile.in: Likewise.
12293
12294 2008-07-18  Ian Lance Taylor  <iant@google.com>
12295
12296         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12297         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12298         * testsuite/ver_test_main.cc (main): Call t4.
12299         (t4, t4_2a): Define.
12300         * testsuite/ver_test_2.cc (t4_2): Define.
12301         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12302         * testsuite/ver_test_4.cc (t4_2a): Define.
12303         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12304         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12305
12306 2008-07-17  Ian Lance Taylor  <iant@google.com>
12307
12308         * dynobj.cc (Versions::add_def): If we give an error about a
12309         missing version, go ahead and create the version anyhow.
12310
12311 2008-07-10  Ian Lance Taylor  <iant@google.com>
12312
12313         Handle output sections with more than 0x7fffffff bytes.
12314         * object.h (class Relobj): Change map_to_output_ to
12315         output_sections_, and just keep a section pointer.  Change all
12316         uses.  Move comdat group support to Sized_relobj.
12317         (Relobj::is_section_specially_mapped): Remove.
12318         (Relobj::output_section): Remove poff parameter.  Change all
12319         callers.
12320         (Relobj::output_section_offset): New function.
12321         (Relobj::set_section_offset): Rewrite.
12322         (Relobj::map_to_output): Remove.
12323         (Relobj::output_sections): New function.
12324         (Relobj::do_output_section_offset): New pure virtual function.
12325         (Relobj::do_set_section_offset): Likewise.
12326         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12327         group support from Relobj.  Update declarations.
12328         (Sized_relobj::get_output_section_offset): New function.
12329         (Sized_relobj::do_output_section_offset): New function.
12330         (Sized_relobj::do_set_section_offset): New function.
12331         * object.cc (Relobj::output_section_address): Remove.
12332         (Sized_relobj::Sized_relobj): Initialize new fields.
12333         (Sized_relobj::include_section_group): Cast find_kept_object to
12334         Sized_relobj.
12335         (Sized_relobj::include_linkonce_section): Likewise.
12336         (Sized_relobj::do_layout): Use separate arrays for output section
12337         and output offset.
12338         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12339         output_sections.
12340         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12341         output_sections and section_offsets.
12342         (Sized_relobj::write_local_symbols): Likewise.
12343         (map_to_kept_section): Compute output address directly.
12344         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12345         output_sections and section_offsets.
12346         (Sized_relobj::write_sections): Likewise.
12347         (Sized_relobj::relocate_sections): Likewise.
12348         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12349         * output.h (class Output_reloc): Update declarations.  Change
12350         u2_.relobj to Sized_relobj*.
12351         (class Output_data_reloc): Change add functions to use
12352         Sized_relobj*.
12353         * output.cc (Output_reloc::Output_reloc): Change relobj to
12354         Sized_relobj*.
12355         (Output_reloc::local_section_offset): Change return type to
12356         Elf_Addr.  Use get_output_section_offset.
12357         (Output_reloc::get_address): Likewise.
12358         (Output_section::is_input_address_mapped): Don't call
12359         is_section_specially_mapped.
12360         (Output_section::output_offset): Likewise.
12361         (Output_section::output_address): Likewise.
12362         (Output_section::starting_output_address): Likewise.
12363         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12364         parameter to Sized_relobj*.
12365         (Copy_relocs::need_copy_reloc): Likewise.
12366         (Copy_relocs::save): Likewise.
12367         * copy-relocs.h (class Copy_relocs): Update declarations.
12368         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12369         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12370         * target-reloc.h (relocate_for_relocatable): Change
12371         offset_in_output_section type to Elf_Addr.  Change code that uses
12372         it as well.
12373         * layout.cc (Layout::layout): Always set *off.
12374         * mapfile.cc (Mapfile::print_input_section): Use
12375         output_section_offset.
12376         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12377         Sized_relobj*.
12378         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12379         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12380         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12381
12382 2008-07-03  Ian Lance Taylor  <iant@google.com>
12383
12384         * layout.cc (Layout::include_section): Do not discard unrecognized
12385         SHT_STRTAB sections.
12386
12387 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12388
12389         * script.cc (Lex::can_continue_name): Make '?' allowable in
12390         version-script names.
12391         * testsuite/version_script.map: Change glob pattern to use '?'
12392
12393 2008-06-30  Manish Singh  <yosh@gimp.org>
12394
12395         PR 6585
12396         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12397         Correct typo.
12398
12399 2008-06-30  Ian Lance Taylor  <iant@google.com>
12400
12401         PR 6660
12402         PR 6682
12403         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12404         versions]: Don't try to read the value in the contents, since we
12405         don't use it.  Use the template endianness when writing.
12406
12407 2008-06-25  Cary Coutant  <ccoutant@google.com>
12408
12409         * fileread.cc (File_read::make_view): Assert on zero-length view.
12410         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12411         symbol table when there are no symbols to read.
12412
12413 2008-06-23  Craig Silverstein  <csilvers@google.com>
12414
12415         * version.cc (version_string): Bump to 1.7
12416
12417 2008-06-18  Craig Silverstein  <csilvers@google.com>
12418
12419         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12420         constant 0xFFFF to type Valtype.
12421         (Powerpc_relocate_functions::rel16_ha): Likewise.
12422
12423 2008-06-17  Ian Lance Taylor  <iant@google.com>
12424
12425         * output.h (Output_section::Input_section): Initialize p2align_ to
12426         zero for Output_section_data constructors.
12427         (Output_section::Input_section::addralign): If not an input
12428         section, return the alignment of the Output_section_data.
12429         * testsuite/copy_test.cc: New file.
12430         * testsuite/copy_test_1.cc: New file.
12431         * testsuite/copy_test_2.cc: New file.
12432         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12433         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12434         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12435         (copy_test_1_pic.o, copy_test_1.so): New targets.
12436         (copy_test_2_pic.o, copy_test_2.so): New targets.
12437         * testsuite/Makefile.in: Rebuild.
12438
12439         * script-sections.cc (Script_sections::place_orphan): Initialize
12440         local variable exact.
12441
12442 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12443
12444         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12445
12446 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12447             David S. Miller  <davem@davemloft.net>
12448
12449         * powerpc.cc: New file.
12450         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12451         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12452         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12453         * Makefile.in: Rebuild.
12454
12455 2008-06-09  Ian Lance Taylor  <iant@google.com>
12456
12457         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12458         <exception>.
12459         (throwing, orig_terminate): New static variables.
12460         (terminate_handler): New static function.
12461         (t2): Set terminate handler.
12462
12463 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12464
12465         PR 6584
12466         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12467         alignment.
12468
12469 2008-05-30  Cary Coutant  <ccoutant@google.com>
12470
12471         * archive.cc (Archive::include_all_members) Correct to step
12472         over symbol table and extended name table in thin archives.
12473
12474 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12475
12476         PR 6407
12477         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12478         calculation.
12479
12480 2008-05-28  Caleb Howe  <cshowe@google.com>
12481
12482         * reduced_debug_output.cc: New file.
12483         * reduced_debug_output.h: New file.
12484         * options.h (class General_options): Add --strip-debug-non-line.
12485         * options.cc (General_options::finalize): Add strip_debug_non_line
12486         to the strip heirarchy.
12487         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12488         fields.
12489         * layout.cc: Include "reduced_debug_output.h".
12490         (Layout::Layout): Initialize new fields.
12491         (line_only_debug_sections): New static array.
12492         (is_lines_only_debug_sections): New static inline function.
12493         (Layout::include_section): Handle --strip-debug-non-line.
12494         (Layout::make_output_section): If --strip-debug-non-line, build
12495         new output sections for .debug_abbrev and .debug_info.
12496         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12497         gold.  Warn about possible overflow.
12498         (read_signed_LEB_128): Likewise.
12499         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12500         (read_signed_LEB_128): Declare.
12501         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12502         (HFILES): Add reduced_debug_output.h.
12503         * Makefile.in: Rebuild.
12504
12505 2008-05-21  Ian Lance Taylor  <iant@google.com>
12506
12507         * mapfile.cc: New file.
12508         * mapfile.h: New file.
12509         * options.h (class General_options): Add -M/--print-map and -Map.
12510         * options.cc (General_options::finalize): Make -M equivalent to
12511         -Map -.
12512         * main.cc: Include <cstdio> and "mapfile.h".
12513         (main): Open mapfile if requested.
12514         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12515         constructor.  Change caller.
12516         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12517         (queue_middle_tasks): Likewise.
12518         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12519         declarations.
12520         * archive.cc: Include "mapfile.h".
12521         (Archive::add_symbols): Add mapfile parameter.  Change all
12522         callers.  Pass mapfile, symbol, and reason to include_member.
12523         (Archive::include_all_members): Add mapfile parameter.  Change all
12524         callers.
12525         (Archive::include_member): Add mapfile, sym, and why parameters.
12526         Change all callers.  Report inclusion to map file.
12527         * archive.h: Include "fileread.h".
12528         (class Archive): Update declarations.
12529         (Archive::file): New const method.
12530         (class Add_archive_symbols): Add mapfile_ field.  Update
12531         constructor.  Change all callers.
12532         * readsyms.h (class Read_symbols): Likewise.
12533         (class Finish_group): Likewise.
12534         (class Read_script): Likewise.
12535         * common.cc: Include "mapfile.h".
12536         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12537         all callers.
12538         (Symbol_table::do_allocate_commons): Likewise.
12539         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12540         symbol allocation to mapfile.
12541         * common.h (class Allocate_commons_task): Add mapfile_ field.
12542         Update constructor.  Change all callers.
12543         * symtab.h (class Symbol_table): Update declarations.
12544         * layout.cc: Include "mapfile.h".
12545         (Layout_task_runner::run): Print information to mapfile.
12546         (Layout::create_gold_note): Change Output_data_fixed_space to
12547         Output_data_zero_fill.
12548         (Layout::create_build_id): Likewise.
12549         (Layout::print_to_mapfile): New function.
12550         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12551         constructor.  Change caller.
12552         (class Layout): Declare print_to_mapfile.
12553         * output.cc (Output_section::Input_section::print_to_mapfile): New
12554         function.
12555         (Output_section::add_input_section): If producing a map, always
12556         add to input_sections_ list.
12557         (Output_section::do_print_to_mapfile): New function.
12558         (Output_segment::print_sections_to_mapfile): New function.
12559         (Output_segment::print_section_list_to_mapfile): New function.
12560         * output.h: Include "mapfile.h".
12561         (Output_data::print_to_mapfile): New function.
12562         (Output_data::do_print_to_mapfile): New virtual function.
12563         (Output_segment_headers::do_print_to_mapfile): New function.
12564         (Output_file_header::do_print_to_mapfile): New function.
12565         (Output_data_const::do_print_to_mapfile): New function.
12566         (class Output_data_const_buffer): Add map_name_ field.  Update
12567         constructor.  Change all callers.  Add do_print_to_mapfile
12568         function.
12569         (class Output_data_fixed_space): Likewise.
12570         (class Output_data_space): Likewise.
12571         (class Output_data_zero_fill): New class.
12572         (Output_data_strtab::do_print_to_mapfile): New function.
12573         (Output_data_reloc_base::do_print_to_mapfile): New function.
12574         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12575         (Output_data_group::do_print_to_mapfile): New function.
12576         (Output_data_got::do_print_to_mapfile): New function.
12577         (Output_data_dynamic::do_print_to_mapfile): New function.
12578         (Output_symtab_xindex::do_print_to_mapfile): New function.
12579         (class Output_section): Declare do_print_to_mapflie.  Declare
12580         print_to_mapfile in Input_section.
12581         (class Output_segment): Declare new functions.
12582         * object.h (Sized_relobj::symbol_count): New function.
12583         * script-sections.cc
12584         (Output_section_element_dot_assignment::set_section_addresses):
12585         Change Output_data_fixed_space to Output_data_zero_fill.
12586         (Output_data_expression::do_print_to_mapfile): New function.
12587         * script.cc (read_input_script): Add mapfile parameter.  Change
12588         all callers.
12589         * script.h (read_input_script): Update declaration.
12590         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12591         (Eh_frame::do_print_to_mapfile): New function.
12592         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12593         (Output_merge_string::do_print_to_mapfile): New function.
12594         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12595         function.
12596         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12597         function.
12598         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12599         function.
12600         * Makefile.am (CCFILES): Add mapfile.cc.
12601         (HFILES): Add mapfile.h.
12602         * Makefile.in: Rebuild.
12603
12604 2008-05-19  Ian Lance Taylor  <iant@google.com>
12605
12606         * options.h (class General_options): Add -z relro.
12607         * layout.cc (Layout::Layout): Initialize relro_segment_.
12608         (Layout::add_output_section_data): Return the output section.
12609         (Layout::make_output_section): Rcognize relro sections and mark
12610         them appropriately.
12611         (Layout::attach_allocated_section_to_segment): Put relro sections
12612         in a PT_GNU_RELRO segment.
12613         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12614         section as relro.
12615         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12616         PT_TLS segments.
12617         (Layout::linkonce_mapping): Map d.rel.ro.local to
12618         .data.rel.ro.local.
12619         (Layout::output_section_name): Us .data.rel.ro.local for any
12620         section which begins with that.
12621         * layout.h (class Layout): Update add_output_section_data
12622         declaration.  Add relro_segment_ field.
12623         * output.cc (Output_section::Output_section): Initialize is_relro_
12624         and is_relro_local_ fields.
12625         (Output_segment::add_output_section): Group relro sections.
12626         (Output_segment::is_first_section_relro): New function.
12627         (Output_segment::maximum_alignment): If there is a relro section,
12628         align the segment to the common page size.
12629         (Output_segment::set_section_addresses): Track whether we are
12630         looking at relro sections.  If the last section is a relro
12631         section, align to the common page size.
12632         (Output_segment::set_section_list_addresses): Add in_relro
12633         parameter.  Change all callers.  Align to the page size when
12634         moving from relro to non-relro section.
12635         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12636         segment.
12637         * output.h (class Output_section): Add is_relro_ and
12638         is_relro_local_ fields.
12639         (Output_section::is_relro): New function.
12640         (Output_section::set_is_relro): New function.
12641         (Output_section::is_relro_local): New function.
12642         (Output_section::set_is_relro_local): New function.
12643         (class Output_segment): Update declarations.
12644         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12645         * sparc.cc (Target_sparc::got_section): Likewise.
12646         * x86_64.cc (Target_x86_64::got_section): Likewise.
12647         * testsuite/relro_test_main.cc: New file.
12648         * testsuite/relro_test.cc: New file.
12649         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12650         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12651         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12652         (relro_test.so, relro_test_pic.o): New targets.
12653         * testsuite/Makefile.in: Rebuild.
12654
12655 2008-05-16  Ian Lance Taylor  <iant@google.com>
12656
12657         * output.cc (Output_segment::add_output_section): Remove front
12658         parameter.
12659         * output.h (class Output_segment): Remove
12660         add_initial_output_section and overloaded add_output_section.
12661         Update declaration of remaining add_output_section.
12662         * layout.cc (Layout::create_interp): Call add_output_section
12663         rather than add_initial_output_section.
12664         (Layout::finish_dynamic_section): Likewise.
12665
12666         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12667         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12668         know the dynamic type.
12669         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12670         field.  Initialize it in constructor.
12671         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12672         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12673         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12674         reloc.
12675
12676         * output.cc (Output_reloc::get_address): Change return type to
12677         Elf_Addr.
12678         * output.h (class Output_reloc): Update get_address declaration.
12679         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12680         for section addresses.
12681
12682 2008-05-09  Ian Lance Taylor  <iant@google.com>
12683
12684         PR 6493
12685         * gold.cc (gold_nomem): Use return value of write.
12686
12687 2008-05-08  Ian Lance Taylor  <iant@google.com>
12688
12689         * symtab.c (Symbol::init_base_output_data): Add version
12690         parameter.  Change all callers.
12691         (Symbol::init_base_output_segment): Likewise.
12692         (Symbol::init_base_constant): Likewise.
12693         (Symbol::init_base_undefined): Likewise.
12694         (Sized_symbol::init_output_data): Likewise.
12695         (Sized_symbol::init_output_segment): Likewise.
12696         (Sized_symbol::init_constant): Likewise.
12697         (Sized_symbol::init_undefined): Likewise.
12698         (Symbol_table::do_define_in_output_data): If the new symbol has a
12699         version, mark it as the default.
12700         (Symbol_table::do_define_in_output_segment): Likewise.
12701         (Symbol_table::do_define_as_constant): Likewise.
12702         * symtab.h (class Symbol): Update declarations.
12703         (class Sized_symbol): Likewise.
12704         * resolve.cc (Symbol::override_version): New function.
12705         (Symbol::override_base): Call override_version.
12706         (Symbol::override_base_with_special): Likewise.
12707         * testsuite/ver_script_8.script: New file.
12708         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12709         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12710         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12711         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12712
12713 2008-05-06  Ian Lance Taylor  <iant@google.com>
12714
12715         PR 6049
12716         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12717         functions.
12718         (class General_options): Remove existing --undefined, and add
12719         --no-undefined instead.  Add new --undefined as synonym for -u.
12720         * archive.cc (Archive::add_symbols): Check whether symbol was
12721         named with -u.
12722         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12723         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12724         all uses.  Add IS_UNDEFINED.  Update declarations to split
12725         different versions of init_base.  Declare init_base_undefined.
12726         (Symbol::is_defined): Handle IS_UNDEFINED.
12727         (Symbol::is_undefined): Likewise.
12728         (Symbol::is_weak_undefined): Call is_undefined.
12729         (Symbol::is_absolute): Handle IS_CONSTANT.
12730         (class Sized_symbol): Update declarations to split different
12731         versions of init.  Declare init_undefined.
12732         (class Symbol_table): Declare new functions.
12733         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12734         Change all callers.
12735         (Symbol::init_base_output_data): Likewise.
12736         (Symbol::init_base_output_segment): Likewise.
12737         (Symbol::init_base_constant): Likewise.
12738         (Symbol::init_base_undefined): New function.
12739         (Sized_symbol::init_object): Rename from init.  Change all
12740         callers.
12741         (Sized_symbol::init_output_data): Likewise.
12742         (Sized_symbol::init_output_segment): Likewise.
12743         (Sized_symbol::init_constant): Likewise.
12744         (Sized_symbol::init_undefined): New function.
12745         (Symbol_table::add_undefined_symbols_from_command_line): New
12746         function.
12747         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12748         function.
12749         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12750         (Symbol::output_section): Likewise.
12751         (Symbol::set_output_section): Likewise.
12752         (Symbol_table::sized_finalize_symbol): Likewise.
12753         (Symbol_table::sized_write_globals): Likewise.
12754         * resolve.cc (Symbol_table::should_override): Likewise.
12755         (Symbol::override_base_with_special): Likewise.
12756
12757         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12758         symbol, change it to have default visibility.
12759         * testsuite/protected_1.cc: New file.
12760         * testsuite/protected_2.cc: New file.
12761         * testsuite/protected_3.cc: New file.
12762         * testsuite/protected_main_1.cc: New file.
12763         * testsuite/protected_main_2.cc: New file.
12764         * testsuite/protected_main_3.cc: New file.
12765         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12766         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12767         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12768         (protected_1.so): New target.
12769         (protected_1_pic.o, protected_2_pic.o): New targets.
12770         (protected_3_pic.o): New target.
12771         (check_PROGRAMS): Add protected_2.
12772         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12773         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12774         * testsuite/Makefile.in: Rebuild.
12775
12776         * options.h (DEFINE_var): Add set_user_set_##varname__.
12777         (DEFINE_bool_alias): New macro.
12778         (class General_options): Define -Bstatic using DEFINE_bool_alias
12779         rather than DEFINE_special.  Add --undefined as an alias for -z
12780         defs.
12781         * options.cc (General_options::parse_Bstatic): Remove.
12782
12783         * options.h (class General_options): Add --fatal-warnings.
12784         * main.cc (main): Implement --fatal-warnings.
12785         * errors.h (Errors::warning_count): New function.
12786
12787         * options.h (class General_options): Add -Bsymbolic-functions.
12788         * symtab.h (Symbol::is_preemptible): Check for
12789         -Bsymbolic-functions.
12790
12791 2008-05-05  Ian Lance Taylor  <iant@google.com>
12792
12793         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12794         as noVARNAME rather than no-VARNAME.
12795         (class General_options): Add option -z combreloc.
12796         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12797         get_address.
12798         (Output_reloc::sort_before) [SHT_REL]: New function.
12799         (Output_reloc::sort_before) [SHT_RELA]: New function.
12800         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12801         Sort_relocs_comparison.
12802         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12803         parameter.  Change all callers.
12804         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12805         sort_relocs parameter.  Change all callers.
12806         * output.cc (Output_reloc::get_address): New function, broken out
12807         of write_rel.
12808         (Output_reloc::write_rel): Call it.
12809         (Output_reloc::compare): New function.
12810         (Output_data_reloc_base::do_write): Optionally sort relocs.
12811
12812         * configure.ac: If targ_extra_obj is set, link it in.
12813         * configure.tgt: Initialize all variables.
12814         (x86_64*): Set targ_extra_obj and targ_extra_size.
12815         * configure: Rebuild.
12816
12817         * object.cc (Sized_relobj::include_section_group): Adjust section
12818         indexes read from group data.  Build vector to pass to
12819         layout_group.
12820         * layout.cc (Layout::layout_group): Add flags and shndxes
12821         parameters.  Remove contents parameter.  Change caller.  Update
12822         explicit instantiations.
12823         * layout.h (class Layout): Update layout_group declaration.
12824         * output.cc (Output_data_group::Output_data_group): Add flags and
12825         input_shndxes parameters.  Remove contents parameter.  Change
12826         caller.
12827         (Output_data_group::do_write): Change input_sections_ to
12828         input_shndxes_.
12829         * output.h (class Output_data_group): Update constructor
12830         declaration.  Rename input_sections_ to input_shndxes_.
12831         * testsuite/many_sections_test.cc: Add template.
12832
12833 2008-04-30  Cary Coutant  <ccoutant@google.com>
12834
12835         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12836
12837         * layout.cc (Layout::include_section): Refactored check for debug
12838         info section.
12839         (Layout::add_comdat): Add new parameters.  Change type
12840         of signature parameter.  Add object and shndx to signatures table.
12841         (Layout::find_kept_object): New function.
12842         * layout.h: Include <cstring>.
12843         (Layout::is_debug_info_section): New function.
12844         (Layout::add_comdat): Add new parameters.
12845         (Layout::find_kept_object): New function.
12846         (Layout::Kept_section): New struct.
12847         (Layout::Signatures): Change type of map range.
12848         * object.cc (Relobj::output_section_address): New function.
12849         (Sized_relobj::include_section_group): Add new parameters.  Change
12850         calls to Layout::add_comdat.  Change to build table of kept comdat
12851         groups and table mapping discarded sections to kept sections.
12852         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12853         (Sized_relobj::do_layout): Change calls to include_section_group and
12854         include_linkonce_section.
12855         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12856         value to zero when section is discarded.
12857         (Sized_relobj::map_to_kept_section): New function.
12858         * object.h (Relobj::output_section_address): New function.
12859         (Relobj::Comdat_group): New type.
12860         (Relobj::find_comdat_group): New function.
12861         (Relobj::Comdat_group_table): New type.
12862         (Relobj::Kept_comdat_section): New type.
12863         (Relobj::Kept_comdat_section_table): New type.
12864         (Relobj::add_comdat_group): New function.
12865         (Relobj::set_kept_comdat_section): New function.
12866         (Relobj::get_kept_comdat_section): New function.
12867         (Relobj::comdat_groups_): New field.
12868         (Relobj::kept_comdat_sections_): New field.
12869         (Symbol_value::input_value): Update comment.
12870         (Sized_relobj::map_to_kept_section) New function.
12871         (Sized_relobj::include_linkonce_section): Add new parameter.
12872         * target-reloc.h (Comdat_behavior): New type.
12873         (get_comdat_behavior): New function.
12874         (relocate_section): Add code to map a discarded section to the
12875         corresponding kept section when applying a relocation.
12876
12877 2008-04-30  Craig Silverstein  <csilvers@google.com>
12878
12879         * dwarf_reader.cc (next_generation_count): New static var.
12880         (Addr2line_cache_entry): New struct.
12881         (addr2line_cache): New static var.
12882         (Dwarf_line_info::one_addr2line): Added caching.
12883         (Dwarf_line_info::clear_addr2line_cache): New function.
12884         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12885         cache-size parameter.
12886         (Dwarf_line_info::one_addr2line_cache): New function.
12887         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12888         new cache-size argument to one_addr2line(), and clear cache.
12889
12890 2008-04-28  Cary Coutant  <ccoutant@google.com>
12891
12892         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12893         R_386_PC8 relocations.
12894
12895 2008-04-23  Ian Lance Taylor  <iant@google.com>
12896
12897         * object.cc (Sized_relobj::include_section_group): Check for
12898         invalid section group.
12899
12900         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12901         header size.
12902
12903         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12904         than read for file header.
12905         * archive.cc (Archive::include_member): Likewise.
12906
12907 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12908
12909         * aclocal.m4: Regenerate.
12910         * configure: Regenerate.
12911
12912 2008-04-19  Ian Lance Taylor  <iant@google.com>
12913
12914         * version.cc (version_string): Bump to 1.6.
12915
12916         * testsuite/Makefile.am (many_sections_r_test): New target.
12917         (many_sections_r_test_SOURCES): Remove.
12918         (many_sections_r_test_DEPENDENCIES): Remove.
12919         (many_sections_r_test_LDFLAGS): Remove.
12920         (many_sections_r_test_LDADD): Remove.
12921
12922         * object.cc (Sized_relobj::do_add_symbols): Always pass
12923         local_symbol_count_ to add_from_relobj.
12924
12925         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12926         every thousand variables.
12927         * testsuite/Makefile.in: Rebuild.
12928
12929         * object.cc (Xindex::initialize_symtab_xindex): New function.
12930         (Xindex::read_symtab_xindex): New function.
12931         (Xindex::sym_xindex_to_shndx): New function.
12932         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12933         available.
12934         (Sized_relobj::do_initialize_xindex): New function.
12935         (Sized_relobj::do_read_symbols): Adjust section links.
12936         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12937         parameter.  Change all callers.
12938         (Sized_relobj::include_section_group): Adjust section links and
12939         symbol section indexes.
12940         (Sized_relobj::do_layout): Adjust section links.
12941         (Sized_relobj::do_count_local_symbols): Adjust section links and
12942         symbol section indexes.
12943         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12944         ordinary and special symbols.
12945         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12946         dynsym_xindex parameters.  Change all callers.  Adjust section
12947         links.  Use SHN_XINDEX when needed.
12948         (Sized_relobj::get_symbol_location_info): Adjust section links.
12949         Don't get fooled by special symbols.
12950         * object.h (class Xindex): Define.
12951         (class Object): Add xindex_ parameter.  Declare virtual functoin
12952         do_initialize_xindex.
12953         (Object::adjust_sym_shndx): New function.
12954         (Object::set_xindex): New protected function.
12955         (class Symbol_value): Add is_ordinary_shndx_ field.
12956         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12957         (Symbol_value::value): Assert ordinary section.
12958         (Symbol_value::initialize_input_to_output_map): Likewise.
12959         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12960         Change all callers.
12961         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12962         all callers.
12963         (class Sized_relobj): Update declarations.
12964         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12965         parameter.  Change all callers.
12966         (Sized_relobj::adjust_shndx): New function.
12967         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12968         field.
12969         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12970         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12971         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12972         (Sized_dynobj::read_dynsym_section): Adjust section links.
12973         (Sized_dynobj::read_dynamic): Likewise.
12974         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12975         section links.
12976         (Sized_dynobj::do_initialize_xindex): New function.
12977         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12978         do_initialize_xindex.
12979         (Sized_dynobj::adjust_shndx): New function.
12980         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12981         dynsym_xindex_ fields.
12982         (Layout::finalize): Add a call to set_section_indexes before
12983         creating the symtab sections.
12984         (Layout::set_section_indexes): Don't do anything if the section
12985         already has a section index.
12986         (Layout::create_symtab_sections): Add shnum parameter.  Change
12987         caller.  Create .symtab_shndx section if needed.
12988         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12989         caller.
12990         (Layout::allocated_output_section_count): New function.
12991         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12992         needed.
12993         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12994         fields.  Update declarations.
12995         (Layout::symtab_xindex): New function.
12996         (Layout::dynsym_xindex): New function.
12997         (class Write_symbols_task): Add layout_ field.
12998         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12999         Change caller.
13000         * output.cc (Output_section_headers::Output_section_headers): Add
13001         shstrtab_section parameter.  Change all callers.
13002         (Output_section_headers::do_sized_write): Store overflow values
13003         for section count and section string table section index in
13004         section header zero.
13005         (Output_file_header::do_sized_write): Check for overflow of
13006         section count and section string table section index.
13007         (Output_symtab_xindex::do_write): New function.
13008         (Output_symtab_xindex::endian_do_write): New function.
13009         * output.h (class Output_section_headers): Add shstrtab_section_.
13010         Update declarations.
13011         (class Output_symtab_xindex): Define.
13012         (Output_section::has_out_shndx): New function.
13013         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13014         field.
13015         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13016         Change all callers.
13017         (Sized_symbol::init): Likewise.
13018         (Symbol::output_section): Check for ordinary symbol.
13019         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13020         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13021         callers.
13022         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13023         Change all callers.  Simplify handling of symbols from sections
13024         not included in the link.
13025         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13026         distinction.
13027         (Weak_alias_sorter::operator()): Assert that symbols are
13028         ordinary.
13029         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13030         distinction.
13031         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13032         parameters.  Change all callers.
13033         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13034         symbol distinction.  Use SHN_XINDEX when needed.
13035         (Symbol_table::write_section_symbol): Add symtab_xindex
13036         parameter.  Change all callers.
13037         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13038         SHN_XINDEX when needed.
13039         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13040         declarations.
13041         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13042         (Symbol::is_defined): Check is_ordinary.
13043         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13044         (Symbol::is_absolute, Symbol::is_common): Likewise.
13045         (class Sized_symbol): Update declarations.
13046         (class Symbol_table): Update declarations.
13047         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13048         parameters.  Change all callers.
13049         (Sized_symbol::override): Likewise.
13050         (Symbol_table::override): Likewise.
13051         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13052         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13053         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13054         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13055         to be in an ordinary section.
13056         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13057         object and is_ordinary parameters.  Change all callers.
13058         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13059         Change all callers.  Don't add undefined or non-ordinary symbols
13060         to reloc_map_.
13061         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13062         Change all callers.
13063         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13064         declarations.
13065         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13066         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13067         (Sized_relobj::relocate_sections): Likewise.
13068         * target-reloc.h (scan_relocs): Adjust section symbol index.
13069         (scan_relocatable_relocs): Likewise.
13070         * i386.cc (Scan::local): Check for ordinary symbols.
13071         * sparc.cc (Scan::local): Likewise.
13072         * x86_64.cc (Scan::local): Likewise.
13073         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13074         to symbol_section_and_value.
13075         * testsuite/many_sections_test.cc: New file.
13076         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13077         (check_PROGRAMS): Add many_sections_test.
13078         (many_sections_test_SOURCES): Define.
13079         (many_sections_test_DEPENDENCIES): Define.
13080         (many_sections_test_LDFLAGS): Define.
13081         (BUILT_SOURCES): Add many_sections_define.h.
13082         (many_sections_define.h): New target.
13083         (BUILT_SOURCES): Add many_sections_check.h.
13084         (many_sections_check.h): New target.
13085         (check_PROGRAMS): Add many_sections_r_test.
13086         (many_sections_r_test_SOURCES): Define.
13087         (many_sections_r_test_DEPENDENCIES): Define.
13088         (many_sections_r_test_LDFLAGS): Define.
13089         (many_sections_r_test_LDADD): Define.
13090         (many_sections_r_test.o): New target.
13091         * testsuite/Makefile.in: Rebuild.
13092
13093 2008-04-17  Cary Coutant  <ccoutant@google.com>
13094
13095         * errors.cc (Errors::info): New function.
13096         (gold_info): New function.
13097         * errors.h (Errors::info): New function.
13098         * gold.h (gold_info): New function.
13099         * object.cc (Input_objects::add_object): Print trace output.
13100         * options.cc (options::parse_set): New function.
13101         (General_options::parse_wrap): Deleted.
13102         (General_options::General_options): Deleted initializer.
13103         * options.h (options::String_set): New typedef.
13104         (options::parse_set): New function.
13105         (DEFINE_set): New macro.
13106         (General_options::wrap): Changed to use DEFINE_set. Changed
13107         callers of any_wrap_symbols and is_wrap_symbol.
13108         (General_options::trace, General_options::trace_symbol):
13109         New options.
13110         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13111         (General_options::wrap_symbols_): Deleted.
13112         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13113
13114 2008-04-17  David S. Miller  <davem@davemloft.net>
13115
13116         * options.cc (General_options::parse_V): New function.
13117         * options.h: Add entries for -V and -Qy.
13118
13119 2008-04-17  Ian Lance Taylor  <iant@google.com>
13120
13121         * common.cc (Symbol_table::allocate_commons): Remove options
13122         parameter.  Change caller.
13123         (Symbol_table::do_allocate_commons): Remove options parameter.
13124         Change caller.  Just call do_allocate_commons_list twice.
13125         (Symbol_table::do_allocate_commons_list): New function, broken out
13126         of do_allocate_commons.
13127         * common.h (class Allocate_commons_task): Remove options_ field.
13128         Update constructor.
13129         * symtab.cc (Symbol_table::Symbol_table): Initialize
13130         tls_commons_.
13131         (Symbol_table::add_from_object): Put TLS common symbols on
13132         tls_commons_ list.
13133         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13134         which are IN_OUTPUT_DATA.
13135         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13136         allocate_commons and do_allocate_commons declarations.  Declare
13137         do_allocate_commons_list.
13138         * gold.cc (queue_middle_tasks): Update creation of
13139         Allocate_commons_task to not pass options.
13140         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13141         (TLS_TEST_C_FLAGS): New variable.
13142         (tls_test_c_pic.o): New target.
13143         (tls_test_shared.so): Link in tls_test_c_pic.o.
13144         (tls_test_c_pic_ie.o): New target.
13145         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13146         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13147         (tls_test_c.o): New target.
13148         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13149         (tls_pic_test_LDADD): Likewise.
13150         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13151         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13152         (tls_test_c_gnu2.o): New target.
13153         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13154         tls_test_c_gnu2.o.
13155         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13156         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13157         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13158         * testsuite/tls_test.cc: Include "config.h".
13159         (t_last): Call t11_last.
13160         * testsuite/tls_test.h (t11, t11_last): Declare.
13161         * testsuite/tls_test_c.c: New file.
13162         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13163         * configure.ac: Check for OpenMP support.
13164         * configure, config.in, Makefile.in: Rebuild.
13165         * testsuite/Makefile.in: Rebuild.
13166
13167 2008-04-16  Cary Coutant  <ccoutant@google.com>
13168
13169         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13170         (Target_i386::tls_base_symbol_defined_): New field.
13171         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13172         (Target_i386::Scan::global): Likewise.
13173         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13174         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13175         (Target_x86_64::tls_base_symbol_defined_): New field.
13176         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13177         (Target_x86_64::Scan::global): Likewise.
13178
13179 2008-04-16  Cary Coutant  <ccoutant@google.com>
13180
13181         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13182         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13183         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13184         building shared libraries.
13185         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13186         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13187         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13188         * testsuite/Makefile.in: Rebuild.
13189         * testsuite/weak_undef.h: New file.
13190         * testsuite/weak_undef_file1.cc: Add extra test cases.
13191         * testsuite/weak_undef_file2.cc: Likewise.
13192         * testsuite/weak_undef_test.cc: Likewise.
13193
13194 2008-04-16  David S. Miller  <davem@davemloft.net>
13195
13196         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13197         Add issued_non_pic_error_ field.  Declare check_non_pic.
13198         (Target_sparc::Scan::check_non_pic): New function.
13199         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13200         (Target_sparc::Scan::global): Likewise.
13201
13202         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13203         * configure: Rebuild.
13204
13205         * options.h (DEFINE_enable): New macro.
13206         (new_dtags): New enable option.
13207         (initfirst, interpose, loadfltr, nodefaultlib,
13208         nodelete, nodlopen, nodump): New -z options.
13209         * layout.cc (Layout:finish_dynamic_section): If new
13210         dtags enabled, emit DT_RUNPATH.  Also, emit a
13211         DT_FLAGS_1 containing any specified -z flags.
13212
13213 2008-04-16  Ian Lance Taylor  <iant@google.com>
13214
13215         * copy-relocs.cc: New file.
13216         * copy-relocs.h: New file.
13217         * reloc.cc: Remove Copy_relocs code.
13218         * reloc.h: Likewise.
13219         * reloc-types.h (struct Reloc_types) [both versions]: Add
13220         get_reloc_addend_noerror.
13221         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13222         variants of add_global which take an addend which must be zero.
13223         * i386.cc: Include "copy-relocs.h".
13224         (class Target_i386): Change type of copy_relocs_ to variable,
13225         update initializer.
13226         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13227         Change all callers.
13228         (Target_i386::do_finalize_sections): Change handling of
13229         copy_relocs_.
13230         * sparc.cc: Include "copy-relocs.h".
13231         (class Target_sparc): Change type of copy_relocs_ to variable,
13232         update initializer.
13233         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13234         Change all callers.
13235         (Target_sparc::do_finalize_sections): Change handling of
13236         copy_relocs_.
13237         * x86_64.cc: Include "copy-relocs.h".
13238         (class Target_x86_64): Change type of copy_relocs_ to variable,
13239         update initializer.
13240         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13241         class.  Change all callers.
13242         (Target_x86_64::do_finalize_sections): Change handling of
13243         copy_relocs_.
13244         * Makefile.am (CCFILES): Add copy-relocs.cc.
13245         (HFILES): Add copy-relocs.h.
13246
13247         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13248
13249         * testsuite/script_test_4.sh: Permit leading zeroes.
13250
13251 2008-04-15  Ian Lance Taylor  <iant@google.com>
13252
13253         * script-sections.cc (Script_sections::create_segments): Use
13254         header_size_adjustment even when there is enough room for the
13255         headers.
13256         * testsuite/script_test_4.sh: New file.
13257         * testsuite/script_test_4.t: New file.
13258         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13259         (check_DATA): Add script_test_4.stdout.
13260         (MOSTLYCLEANFILES): Likewise.
13261         (script_test_4): New target.
13262         (script_test_4.stdout): New target.
13263         * testsuite/Makefile.in: Rebuild.
13264
13265         * sparc.cc: Add definitions for Output_data_plt_sparc class
13266         constants.
13267
13268 2008-04-14  David S. Miller  <davem@davemloft.net>
13269
13270         * sparc.cc: New file.
13271         * Makefile.am (TARGETSOURCES): Add sparc.cc
13272         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13273         * configure.tgt: Document targ_extra_size and
13274         targ_extra_big_endian.  Add entries for sparc-* and
13275         sparc64-*.
13276         * configure.ac: Handle targ_extra_size and
13277         targ_extra_big_endian.
13278         * Makefile.in: Rebuild.
13279         * configure: Likewise.
13280         * po/POTFILES.in: Likewise.
13281         * po/gold.pot: Likewise.
13282
13283 2008-04-14  Ian Lance Taylor  <iant@google.com>
13284
13285         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13286         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13287         in the name/type/flags to section mapping.  Don't call
13288         allocate_output_section.
13289         (Layout::choose_output_section): Change parameter from adjust_name
13290         to is_input_section.  Don't permit input sections after sections
13291         are attached to segments.  Don't call allocate_output_section.
13292         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13293         not write_enable_output_section.
13294         (Layout::make_output_section): Don't push to
13295         unattached_section_list_ nor call attach_to_segment.  Call
13296         attach_section_to_segment if sections are attached.
13297         (Layout::attach_sections_to_segments): New function.
13298         (Layout::attach_section_to_segment): New function.
13299         (Layout::attach_allocated_section_to_segment): Rename from
13300         attach_to_segment.  Remove flags parameter.
13301         (Layout::allocate_output_section): Remove function.
13302         (Layout::write_enable_output_section): Remove function.
13303         * layout.h (class Layout): Update for above changes.  Add new
13304         field sections_are_attached_.
13305         * output.h (Output_section::update_flags_for_input_section): New
13306         function.
13307         * output.cc (Output_section::add_input_section): Call
13308         update_flags_for_input_section.
13309         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13310
13311 2008-04-11  Cary Coutant  <ccoutant@google.com>
13312
13313         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13314         thought unnecessary.
13315         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13316
13317 2008-04-11  Ian Lance Taylor  <iant@google.com>
13318
13319         * output.h (class Output_section_data): Remove inline definition
13320         of set_addralign.
13321         * output.cc (Output_section_data::set_addralign): New function.
13322
13323 2008-04-11  Cary Coutant  <ccoutant@google.com>
13324
13325         Add support for TLS descriptors for i386 and x86_64.
13326         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13327         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13328         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13329         GOT_TYPE_TLS_DESC.
13330         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13331         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13332         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13333         relocations.
13334         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13335         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13336         Fix problem with initial-exec relocations.
13337         (Target_i386::Relocate::relocate_tls): Likewise.
13338         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13339         relaxation.
13340         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13341         support for section-plus-offset dynamic table entries.
13342         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13343         (Output_data_dynamic::Dynamic_entry): Add support for
13344         section-plus-offset dynamic table entries.
13345         (Output_data_dynamic::Classification): Likewise.
13346         (Output_data_dynamic::classification_): Renamed offset_.
13347         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13348         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13349         (Target_x86_64::make_plt_section): New function.
13350         (Target_x86_64::reserve_tlsdesc_entries): New function.
13351         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13352         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13353         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13354         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13355         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13356         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13357         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13358         add extra PLT entry for TLS descriptors.
13359         (Output_data_plt_x86_64::got_): New field.
13360         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13361         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13362         fields.
13363         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13364         descriptors.
13365         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13366         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13367         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13368         R_386_TLS_DESC_CALL relocations.
13369         (Target_x86_64::Scan::global): Likewise.
13370         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13371         for TLS descriptors.
13372         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13373         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13374         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13375         GD-to-IE relaxation.
13376         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13377         and TLS_DESCRIPTORS.
13378         * Makefile.in: Rebuild.
13379         * configure: Rebuild.
13380         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13381         (tls_test_shared2.so): New target.
13382         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13383         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13384         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13385         (tls_shared_gd_to_ie_test_LDADD): New variable.
13386         (tls_shared_gnu2_gd_to_ie_test): New target.
13387         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13388         New targets.
13389         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13390         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13391         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13392         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13393         (tls_shared_gnu2_test): New target.
13394         (tls_test_gnu2_shared.so): New target.
13395         (tls_shared_gnu2_test_SOURCES): New variable.
13396         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13397         (tls_shared_gnu2_test_LDFLAGS): New variable.
13398         (tls_shared_gnu2_test_LDADD): New variable.
13399         * testsuite/Makefile.in: Rebuild.
13400         * testsuite/Makefile.
13401
13402 2008-04-11  Ian Lance Taylor  <iant@google.com>
13403
13404         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13405         justsyms.t.
13406         * testsuite/Makefile.in: Rebuild.
13407
13408         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13409         long.
13410         * testsuite/script_test_2.cc (main): Adjust test.
13411
13412 2008-04-11  David S. Miller  <davem@davemloft.net>
13413             Ian Lance Taylor  <iant@google.com>
13414
13415         * options.h (General_options): Add entries for '-Y' and
13416         '-relax'.
13417         * options.cc (General_options:finalize): If -Y was used, add those
13418         entries to the library path instead of the default "/lib" and
13419         "/usr/lib".
13420
13421 2008-04-11  David S. Miller  <davem@davemloft.net>
13422
13423         * testsuite/justsyms.t: Start at 0x100.
13424         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13425         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13426         long.
13427         * testsuite/script_test_2.cc: Adjust string and section length
13428         checks.
13429
13430 2008-04-09  Ian Lance Taylor  <iant@google.com>
13431
13432         PR gold/5996
13433         * script-sections.cc (Sections_element::allocate_to_segment): Add
13434         orphan parameter.
13435         (Output_section_definition::allocate_to_segment): Likewise.
13436         (Orphan_output_section::allocate_to_segment): Likewise.
13437         (Script_sections::attach_sections_using_phdrs_clause): Don't
13438         propagate non-PT_LOAD segments to orphan sections.
13439         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13440         readelf rather than objdump.
13441         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13442         .interp section and PT_INTERP segment are the same size.
13443         * testsuite/Makefile.in: Rebuild.
13444
13445         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13446         aliases for symbols defined in the same object.
13447         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13448         (weak_alias_test_SOURCES): New variable.
13449         (weak_alias_test_DEPENDENCIES): New variable.
13450         (weak_alias_test_LDFLAGS): New variable.
13451         (weak_alias_test_LDADD): New variable.
13452         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13453         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13454         (weak_alias_test_3.o): New target.
13455         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13456         * testsuite/weak_alias_test_main.cc: New file.
13457         * testsuite/weak_alias_test_1.cc: New file.
13458         * testsuite/weak_alias_test_2.cc: New file.
13459         * testsuite/weak_alias_test_3.cc: New file.
13460
13461 2008-04-08  Ian Lance Taylor  <iant@google.com>
13462
13463         * options.h (class General_options): Add --noinhibit-exec option.
13464         * main.cc (main): Check --noinhibit-exec.
13465
13466         * options.h (class General_options): Define --wrap as a special
13467         option.  Add wrap_symbols_ field.
13468         (General_options::any_wrap_symbols): New function.
13469         (General_options::is_wrap_symbol): New function.
13470         * options.cc (General_options::parse_wrap): New function.
13471         (General_options::General_options): Initialize wrap_symbols_.
13472         * symtab.cc (Symbol_table::wrap_symbol): New function.
13473         (Symbol_table::add_from_object): Handle --wrap.
13474         * symtab.h (class Symbol_table): Declare wrap_symbol.
13475         * target.h (Target::wrap_char): New function.
13476         (Target::Target_info): Add wrap_char field.
13477         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13478         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13479         * testsuite/testfile.cc (Target_test::test_target_info):
13480         Likewise.
13481
13482         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13483         there is one.
13484
13485         * layout.h (class Layout): Add added_eh_frame_data_ field.
13486         * layout.cc (Layout::Layout): Initialize new field.
13487         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13488         output section until we find a section we merged successfully.
13489         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13490         that the size be non-zero.
13491
13492         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13493         qualifier.
13494
13495 2008-04-08  Craig Silverstein  <csilvers@google.com>
13496
13497         * configure.ac: Export new conditional variable HAVE_ZLIB.
13498         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13499         on HAVE_ZLIB.
13500         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13501         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13502
13503 2008-04-07  Ian Lance Taylor  <iant@google.com>
13504
13505         * version.cc (version_string): Set to "1.5".
13506
13507         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13508         Add issued_non_pic_error_ field.  Declare check_non_pic.
13509         (Target_x86_64::Scan::check_non_pic): New function.
13510         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13511         (Target_x86_64::Scan::global): Likewise.
13512
13513         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13514         addend parameter.  Change caller.  Handle merge sections.
13515         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13516         Address to Addend.  Don't add in the result of
13517         local_section_offset, pass down the addend and use the returned
13518         value.
13519         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13520         Update declarations of local_section_offset and symbol_value.
13521         * testsuite/two_file_test_1.cc (t18): New function.
13522         * testsuite/two_file_test_2.cc (f18): New function.
13523         * testsuite/two_file_test_main.cc (main): Call t18.
13524         * testsuite/two_file_test.h (t18, f18): Declare.
13525
13526         * configure.ac: Don't test for objdump, c++filt, or readelf.
13527         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13528         conditionals.
13529         (TEST_READELF): New variable.
13530         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13531         (check_PROGRAMS): Add two_file_strip_test.
13532         (two_file_strip_test): New target.
13533         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13534         (two_file_same_shared_strip_test_SOURCES): New variable.
13535         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13536         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13537         (two_file_same_shared_strip_test_LDADD): New variable.
13538         (two_file_shared_strip.so): New target.
13539         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13540         (ver_test_5.syms, ver_test_7.syms): Likewise.
13541         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13542         (strip_test_3.stdout): Use TEST_OBJDUMP.
13543         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13544
13545 2008-04-04  Cary Coutant  <ccoutant@google.com>
13546
13547         * symtab.h (Symbol::is_weak_undefined): New function.
13548         (Symbol::is_strong_undefined): New function.
13549         (Symbol::is_absolute): New function.
13550         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13551         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13552         absolute symbols.
13553         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13554         (weak_undef_test): New target.
13555         * testsuite/Makefile.in: Rebuild.
13556         * testsuite/weak_undef_file1.cc: New file.
13557         * testsuite/weak_undef_file2.cc: New file.
13558         * testsuite/weak_undef_test.cc: New file.
13559
13560 2008-04-03  Craig Silverstein  <csilvers@google.com>
13561
13562         * compressed_output.h (class Output_compressed_section): Use
13563         unsigned buffer.
13564         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13565         add zlib header.
13566         (zlib_compressed_suffix): Removed.
13567         (Output_compressed_section::set_final_data_size): Use unsigned
13568         buffers.
13569         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13570         Fix linker invocation.
13571         (flagstest_o_specialfile_and_compress_debug_sections):
13572         Likewise.
13573         * testsuite/Makefile.in: Regenerated.
13574
13575 2008-04-02  David S. Miller  <davem@davemloft.net>
13576
13577         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13578         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13579
13580 2008-04-02  Craig Silverstein  <csilvers@google.com>
13581
13582         * TODO: New file.
13583
13584 2008-04-02  Ian Lance Taylor  <iant@google.com>
13585
13586         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13587         parameters.  Update for new key type to views_.  Change all
13588         callers.
13589         (File_read::read): Adjust for byteshift in returned view.
13590         (File_read::add_view): New function, broken out of
13591         find_and_make_view.
13592         (File_read::make_view): New function, broken out of
13593         find_and_make_view.
13594         (File_read::find_or_make_view): Add offset and aligned
13595         parameters.  Rewrite accordingly.  Change all callers.
13596         (File_read::get_view): Add offset and aligned parameters.  Adjust
13597         for byteshift in return value.
13598         (File_read::get_lasting_view): Likewise.
13599         * fileread.h (class File_read): Update declarations.
13600         (class File_read::View): Add byteshift_ field.  Add byteshift to
13601         constructor.  Add byteshift method.
13602         * archive.h (Archive::clear_uncached_views): New function.
13603         (Archive::get_view): Add aligned parameter.  Change all callers.
13604         * object.h (Object::get_view): Add aligned parameter.  Change all
13605         callers.
13606         (Object::get_lasting_view): Likewise.
13607
13608         * fileread.cc (File_read::release): Don't call clear_views if
13609         there are multiple objects.
13610         * fileread.h (File_read::clear_uncached_views): New function.
13611         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13612         on the archive.
13613
13614 2008-03-31  Cary Coutant  <ccoutant@google.com>
13615
13616         Add thin archive support.
13617         * archive.cc (Archive::armagt): New const.
13618         (Archive::setup): Remove task parameter and calls to unlock.
13619         (Archive::unlock_nested_archives): New function.
13620         (Archive::read_header): Add nested_off parameter. Change
13621         all callers.
13622         (Archive::interpret_header): Likewise.
13623         (Archive::include_all_members): Change to handle thin
13624         archives.
13625         (Archive::include_member): Likewise.
13626         * archive.h (Archive::Archive): Add new parameters and
13627         initializers.
13628         (Archive::armagt): New const.
13629         (Archive::setup): Remove task parameter.
13630         (Archive::unlock_nested_archives): New function.
13631         (Archive::read_header): Add nested_off parameter.
13632         (Archive::interpret_header): Likewise.
13633         (Archive::Nested_archive_table): New typedef.
13634         (Archive::is_thin_archive_): New field.
13635         (Archive::nested_archives_): New field.
13636         (Archive::options_): New field.
13637         (Archive::dirpath_): New field.
13638         (Archive::task_): New field.
13639         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13640         for thin archives.  Pass additional parameters to
13641         Archive::Archive.  Unlock the archive file after calling
13642         Archive::setup.
13643
13644 2008-03-29  Ian Lance Taylor  <iant@google.com>
13645
13646         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13647         version symbol to be local.
13648         * testsuite/ver_test_4.sh: New file.
13649         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13650         (check_DATA): Add ver_test_4.syms.
13651         (ver_test_4.syms): New target.
13652         * testsuite/Makefile.in: Rebuild.
13653
13654         * output.cc
13655         (Output_section::Input_section_sort_entry::has_priority): New
13656         function.
13657         (Output_section::Input_section_sort_entry::match_file_name): New
13658         function.
13659         (Output_section::Input_section_sort_entry::match_section_name):
13660         Remove.
13661         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13662         Remove.
13663         (Output_section::Input_section_sort_entry::match_section_file):
13664         Remove.
13665         (Output_section::Input_section_sort_compare::operator()): Rewrite
13666         using new Input_section_sort_entry functions.  Sort crtbegin and
13667         crtend first.  Sort sections with no priority before sections with
13668         a priority.
13669         * testsuite/initpri1.c (d3): Check j != 4.
13670         (cd5): New constructor/destructor function.
13671         (main): Check j != 2.
13672
13673         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13674         new symbol when resolving, don't call set_is_default.
13675         * testsuite/ver_test_7.cc: New file.
13676         * testsuite/ver_test_7.sh: New file.
13677         * testsuite/Makefile.am (ver_test_7.so): New target.
13678         (ver_test_7.o): New target.
13679         (check_SCRIPTS): Add ver_test_7.sh.
13680         (check_DATA): Add ver_test_7.syms.
13681         (ver_test_7.syms): New target.
13682
13683 2008-03-28  Ian Lance Taylor  <iant@google.com>
13684
13685         * layout.cc (Layout::layout): If we see an input section with a
13686         name that needs sorting, set the must_sort flag for the output
13687         section.
13688         (Layout::make_output_section): If the name of the output section
13689         indicates that it might require sorting, set the may_sort flag.
13690         * output.h (Output_section::may_sort_attached_input_sections): New
13691         function.
13692         (Output_section::set_may_sort_attached_input_sections): New
13693         function.
13694         (Output_section::must_sort_attached_input_sections): New
13695         function.
13696         (Output_section::set_must_sort_attached_input_sections): New
13697         function.
13698         (class Output_section): Declare Input_section_sort_entry.  Define
13699         Input_section_sort_compare.  Declare
13700         sort_attached_input_sections.  Add new fields:
13701         may_sort_attached_input_sections_,
13702         must_sort_attached_input_sections_,
13703         attached_input_sections_are_sorted_.
13704         * output.cc (Output_section::Output_section): Initialize new
13705         fields.
13706         (Output_section::add_input_section): Add an entry to
13707         input_sections_ if may_sort or must_sort are true.
13708         (Output_section::set_final_data_size): Call
13709         sort_attached_input_sections if necessary.
13710         (Output_section::Input_section_sort_entry): Define new class.
13711         (Output_section::Input_section_sort_compare::operator()): New
13712         function.
13713         (Output_section::sort_attached_input_sections): New function.
13714         * configure.ac: Check whether the compiler supports constructor
13715         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13716         * testsuite/initpri1.c: New file.
13717         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13718         CONSTRUCTOR_PRIORITY.
13719         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13720         (initpri1_LDFLAGS): New variable.
13721         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13722
13723 2008-03-27  Ian Lance Taylor  <iant@google.com>
13724
13725         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13726         * testsuite/common_test_1.c: New file.
13727         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13728         (common_test_1_SOURCES): New variable.
13729         (common_test_1_DEPENDENCIES): New variable.
13730         (common_test_1_LDFLAGS): New variable.
13731
13732         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13733         and commons_ correctly when NAME/VERSION does not override
13734         NAME/NULL.
13735         * testsuite/ver_test_6.c: New file.
13736         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13737         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13738         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13739
13740 2008-03-26  Ian Lance Taylor  <iant@google.com>
13741
13742         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13743         of an undefined symbol from a version script.
13744         * testsuite/Makefile.am (ver_test_5.so): New target.
13745         (ver_test_5.o): New target.
13746         (check_SCRIPTS): Add ver_test_5.sh.
13747         (check_DATA): Add ver_test_5.syms.
13748         (ver_test_5.syms): New target.
13749         * testsuite/ver_test_5.cc: New file.
13750         * testsuite/ver_test_5.script: New file.
13751         * testsuite/ver_test_5.sh: New file.
13752         * Makefile.in, testsuite/Makefile.in: Rebuild.
13753
13754         PR gold/5986
13755         Fix problems building gold with gcc 4.3.0.
13756         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13757         (gold_error_at_location, gold_warning_at_location): Use it.
13758         * configure.ac: Check whether we can compile and use a template
13759         function with a printf attribute.
13760         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13761         when jumping over bytes.
13762         * object.cc: Instantiate Object::read_section_data.
13763         * debug.h: Include <cstring>
13764         * dwarf_reader.cc: Include <algorithm>
13765         * main.cc: Include <cstring>.
13766         * options.cc: Include <cstring>.
13767         * output.cc: Include <cstring>.
13768         * script.cc: Include <cstring>.
13769         * script.h: Include <string>.
13770         * symtab.cc: Include <cstring> and <algorithm>.
13771         * target-select.cc: Include <cstring>.
13772         * version.cc: Include <string>.
13773         * testsuite/testmain.cc: Include <cstdlib>.
13774         * configure, config.in: Rebuild.
13775
13776 2008-03-25  Ian Lance Taylor  <iant@google.com>
13777
13778         * options.cc: Include "../bfd/bfdver.h".
13779         (options::help): Print bug reporting address.
13780
13781         * version.cc (print_version): Adjust output for current value of
13782         BFD_VERSION_STRING.
13783
13784         * NEWS: New file.
13785
13786         * options.cc (options::help): Print list of supported targets.
13787         * target-select.h: Include <vector>.
13788         (class Target_selector): Make machine_, size_, and is_big_endian_
13789         fields const.  Add bfd_name_ and instantiated_target_ fields.
13790         (Target_selector::Target_selector): Add bfd_name parameter.
13791         (Target_selector::recognize): Make non-virtual, call
13792         do_recognize.
13793         (Target_selector::recognize_by_name): Make non-virtual, call
13794         do_recognize_by_name.
13795         (Target_selector::supported_names): New function.
13796         (Target_selector::bfd_name): New function.
13797         (Target_selector::do_instantiate_target): New pure virtual
13798         function.
13799         (Target_selector::do_recognize): New virtual function.
13800         (Target_selector::do_recognize_by_name): New virtual function.
13801         (Target_selector::instantiate_target): New private function.
13802         (supported_target_names): Declare.
13803         * target-select.cc (Target_selector::Target_selector): Update for
13804         new parameter and fields.
13805         (select_target_by_name): Check that the name matches before
13806         calling recognize_by_name.
13807         (supported_target_names): New function.
13808         * i386.cc (class Target_selector_i386): Update Target_selector
13809         constructor call.  Remove recognize and recognize_by_name.  Add
13810         do_instantiate_target.
13811         * x86_64.cc (class Target_selector_x86_64): Likewise.
13812         * testsuite/testfile.cc (class Target_selector_test): Update for
13813         changes to Target_selector.
13814
13815         * README: Rewrite, with some notes on unsupported features.
13816
13817 2008-03-24  Cary Coutant  <ccoutant@google.com>
13818
13819         * i386.cc (Target_i386::Got_type): New enum declaration.
13820         (Target_i386::Scan::local): Updated callers of Output_data_got
13821         member functions.
13822         (Target_i386::Scan::global): Likewise.
13823         (Target_i386::Relocate::relocate): Likewise.
13824         (Target_i386::Relocate::relocate_tls): Likewise.
13825         * object.h (Got_offset_list): New class.
13826         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13827         (Sized_relobj::local_got_offset): Likewise.
13828         (Sized_relobj::set_local_got_offset): Likewise.
13829         (Sized_relobj::local_has_tls_got_offset): Removed.
13830         (Sized_relobj::local_tls_got_offset): Removed.
13831         (Sized_relobj::set_local_tls_got_offset): Removed.
13832         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13833         * output.cc (Output_data_got::add_global): Added got_type parameter.
13834         (Output_data_got::add_global_with_rel): Likewise.
13835         (Output_data_got::add_global_with_rela): Likewise.
13836         (Output_data_got::add_global_pair_with_rel): New function.
13837         (Output_data_got::add_global_pair_with_rela): New function.
13838         (Output_data_got::add_local): Added got_type parameter.
13839         (Output_data_got::add_local_with_rel): Likewise.
13840         (Output_data_got::add_local_with_rela): Likewise.
13841         (Output_data_got::add_local_pair_with_rel): New function.
13842         (Output_data_got::add_local_pair_with_rela): New function.
13843         (Output_data_got::add_global_tls): Removed.
13844         (Output_data_got::add_global_tls_with_rel): Removed.
13845         (Output_data_got::add_global_tls_with_rela): Removed.
13846         (Output_data_got::add_local_tls): Removed.
13847         (Output_data_got::add_local_tls_with_rel): Removed.
13848         (Output_data_got::add_local_tls_with_rela): Removed.
13849         * output.h (Output_data_got::add_global): Added got_type parameter.
13850         (Output_data_got::add_global_with_rel): Likewise.
13851         (Output_data_got::add_global_with_rela): Likewise.
13852         (Output_data_got::add_global_pair_with_rel): New function.
13853         (Output_data_got::add_global_pair_with_rela): New function.
13854         (Output_data_got::add_local): Added got_type parameter.
13855         (Output_data_got::add_local_with_rel): Likewise.
13856         (Output_data_got::add_local_with_rela): Likewise.
13857         (Output_data_got::add_local_pair_with_rel): New function.
13858         (Output_data_got::add_local_pair_with_rela): New function.
13859         (Output_data_got::add_global_tls): Removed.
13860         (Output_data_got::add_global_tls_with_rel): Removed.
13861         (Output_data_got::add_global_tls_with_rela): Removed.
13862         (Output_data_got::add_local_tls): Removed.
13863         (Output_data_got::add_local_tls_with_rel): Removed.
13864         (Output_data_got::add_local_tls_with_rela): Removed.
13865         * resolve.cc (Symbol::override_base_with_special): Removed
13866         reference to has_got_offset_ field.
13867         * symtab.cc (Symbol::init_fields): Replaced initialization
13868         of got_offset_ with got_offsets_.  Removed initialization
13869         of has_got_offset_
13870         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13871         (Symbol::got_offset): Likewise.
13872         (Symbol::set_got_offset): Likewise.
13873         (Symbol::has_tls_got_offset): Removed.
13874         (Symbol::tls_got_offset): Removed.
13875         (Symbol::set_tls_got_offset): Removed.
13876         (Symbol::got_offset_): Removed.
13877         (Symbol::tls_mod_got_offset_): Removed.
13878         (Symbol::tls_pair_got_offset_): Removed.
13879         (Symbol::got_offsets_): New field.
13880         (Symbol::has_got_offset): Removed.
13881         (Symbol::has_tls_mod_got_offset): Removed.
13882         (Symbol::has_tls_pair_got_offset): Removed.
13883         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13884         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13885         member functions.
13886         (Target_x86_64::Scan::global): Likewise.
13887         (Target_x86_64::Relocate::relocate): Likewise.
13888         (Target_x86_64::Relocate::relocate_tls): Likewise.
13889
13890 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13891
13892         * yyscript.y: Fix spelling error in comment.
13893
13894 2008-03-24  Ian Lance Taylor  <iant@google.com>
13895
13896         * options.h (class General_options): Define build_id option.
13897         * layout.h (class Layout): Declare write_build_id, create_note,
13898         create_build_id.  Add build_id_note_ member.
13899         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13900         "libiberty.h", "md5.h", "sha1.h".
13901         (Layout::Layout): Initialize eh_frame_data_,
13902         eh_frame_hdr_section_, and build_id_note_.
13903         (Layout::finalize): Call create_build_id.
13904         (Layout::create_note): New function, broken out of
13905         Layout::create_gold_note.
13906         (Layout::create_gold_note): Call create_note.
13907         (Layout::create_build_id): New function.
13908         (Layout::write_build_id): New function.
13909         (Close_task_runner::run): Call write_build_id.
13910
13911         * x86_64.cc: Correct license to GPLv3.
13912
13913 2008-03-23  Ian Lance Taylor  <iant@google.com>
13914
13915         * options.cc: Include "demangle.h".
13916         (parse_optional_string): New function.
13917         (parse_long_option): Handle takes_optional_argument.
13918         (parse_short_option): Update dash_z initializer.  Handle
13919         takes_optional_argument.
13920         (General_options::General_options): Initialize do_demangle_.
13921         (General_options::finalize): Set do_demangle_.  Handle demangling
13922         style.
13923         * options.h (parse_optional_string): Declare.
13924         (struct One_option): Add optional_arg field.  Update constructor.
13925         Update call constructor calls.  Add takes_optional_argument
13926         function.
13927         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13928         (DEFINE_optional_string): Define.
13929         (General_options::demangle): Change from DEFINE_bool to
13930         DEFINE_optional_string.
13931         (General_options::no_demangle): New function.
13932         (General_options::do_demangle): New function.
13933         (General_options::set_do_demangle): New function.
13934         (General_options::execstack_status_): Move definition to end of
13935         class definition.
13936         (General_options::static_): Likewise.
13937         (General_options::do_demangle_): New field.
13938         * object.cc (big_endian>::get_symbol_location_info): Call
13939         Options::do_demangle, not Options::demangle.
13940         * symtab.cc (demangle): Likewise.
13941
13942 2008-03-22  Ian Lance Taylor  <iant@google.com>
13943
13944         * gold.h: Include <cstddef> and <sys/types.h>
13945         * options.h: Include <cstring>.
13946
13947 2008-03-21  Ian Lance Taylor  <iant@google.com>
13948
13949         * Added source code to GNU binutils.