gold/ChangeLog

   1 2012-08-14  Alan Modra  <amodra@gmail.com>
   2
   3         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
   4         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
   5         (Output_data_glink::add_entry,find_entry): Remove shndx param.
   6         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
   7         all references to shndx_.  Handle special case for R_PPC_PLTREL24
   8         here.
   9         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
  10         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
  11         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
  12         here.
  13         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
  14         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
  15
  16 2012-08-12  Alan Modra  <amodra@gmail.com>
  17
  18         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
  19         (glink insn constants): Use uint32_t.
  20         (Output_data_glink::add_entry): Use insert, not [] operator.
  21
  22 2012-08-11  Alan Modra  <amodra@gmail.com>
  23
  24         * object.h (Sized_relobj_file::find_shdr): New function.
  25         (Sized_relobj_file::find_special_sections): New function.
  26         * object.cc (Sized_relobj_file::find_shdr): New function.
  27         (Sized_relobj_file::find_eh_frame): Use find_shdr.
  28         (Sized_relobj_file::find_special_sections): New function, split out..
  29         (Sized_relobj_file::do_read_symbols): ..from here.
  30         * output.h (Output_data_got::replace_constant): New function.
  31         (Output_data_got::num_entries): New function.
  32         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
  33         (Output_data_got::got_offset): Protected rather than private.
  34         (Output_data_got::replace_got_entry): New function.
  35         * output.cc (Output_data_got::replace_got_entry): New function.
  36         * powerpc.cc (class Powerpc_relobj): New.
  37         (class Powerpc_relocate_functions): Delete all psymval variants or
  38         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
  39         Implement _ha functions using corresponding _hi function.
  40         (Powerpc_relobj::find_special_sections): New function.
  41         (Target_powerpc::do_make_elf_object): New function.
  42         (class Output_data_got_powerpc): New.
  43         (class Output_data_glink): New.
  44         (class Powerpc_scan_relocatable_reloc): New.
  45         Many more changes througout file.
  46
  47 2012-08-09  Nick Clifton  <nickc@redhat.com>
  48
  49         * po/vi.po: Updated Vietnamese translation.
  50
  51 2012-08-07  Ian Lance Taylor  <iant@google.com>
  52
  53         * layout.cc (Layout::add_target_dynamic_tags): If
  54         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
  55         plt_rel.
  56
  57 2012-07-30  Nick Clifton  <nickc@redhat.com>
  58
  59         * po/gold.pot: Updated template.
  60         * po/es.po: Updated Spanish translation.
  61
  62 2012-07-18  Cary Coutant  <ccoutant@google.com>
  63
  64         PR gold/14344
  65         * configure.ac: Add check for -gpubnames support.
  66         * configure: Regenerate.
  67         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
  68         support; force -gno-pubnames.
  69         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
  70         support.
  71         (gdb_index_test_4): New test.
  72         * testsuite/Makefile.in: Regenerate.
  73         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
  74         * testsuite/gdb_index_test_2.sh: Likewise.
  75         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
  76         * testsuite/gdb_index_test_4.sh: New script.
  77         * testsuite/gdb_index_test_comm.sh: New script with common code;
  78         don't look for space after colon.
  79
  80 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
  81
  82         * gold.cc (queue_middle_tasks): Update function order only after
  83         deferred objects due to plugins are processed.
  84
  85 2012-07-11  Ian Lance Taylor  <iant@google.com>
  86
  87         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
  88         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
  89         (Target_arm::scan_reloc_for_stub): Likewise.
  90         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
  91         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
  92         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
  93         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
  94         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
  95
  96 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
  97             Ian Lance Taylor  <iant@google.com>
  98
  99         PR gold/14309
 100         * configure.ac: Test whether std::tr1::hash<off_t> works.
 101         * gold.h: Add a specialization for std::tr1::hash<off_t> if
 102         needed.
 103         * output.h (class Output_fill): Add virtual destructor.
 104         * configure, config.in: Rebuild.
 105
 106 2012-06-22  Roland McGrath  <mcgrathr@google.com>
 107
 108         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
 109
 110 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
 111
 112         * plugin.cc (Plugin::load): Handle position independent executables.
 113
 114 2012-06-06  Cary Coutant  <ccoutant@google.com>
 115
 116         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
 117         add .debug_macro.
 118         (lines_only_debug_sections): Likewise.
 119         (gdb_fast_lookup_sections): New static array.
 120         (is_gdb_debug_section): Rename formal parameter.
 121         (is_lines_only_debug_section): Likewise.
 122         (is_gdb_fast_lookup_section): New function.
 123         (Layout::include_section): Check for ".zdebug_" prefix; pass
 124         section name suffix to is_gdb_debug_section, et al.; check for
 125         fast-lookup sections when building .gdb_index.
 126         * options.h (--strip-debug-gdb): Update GDB version number.
 127
 128 2012-06-06  Cary Coutant  <ccoutant@google.com>
 129
 130         * configure.ac: Add check for fallocate.
 131         * configure: Regenerate.
 132         * config.in: Regenerate.
 133
 134         * options.h (class General_options): Add --mmap-output-file and
 135         --posix-fallocate options.
 136         * output.cc: (posix_fallocate): Remove; replace with...
 137         (gold_fallocate): New function.
 138         (Output_file::map_no_anonymous): Call gold_fallocate.
 139         (Output_file::map): Check --mmap-output-file option.
 140
 141 2012-06-05  Jing Yu  <jingyu@google.com>
 142
 143         * gold.h (textdomain): Add do {} to empty while(0).
 144         (bindtextdomain): Likewise.
 145
 146 2012-06-04  Cary Coutant  <ccoutant@google.com>
 147
 148         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
 149         has_dynsym_index.
 150
 151 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
 152
 153         * symtab.cc (Symbol_table::define_special_symbol):
 154         Initialize *poldsym to prevent uninitialized variable errors.
 155
 156 2012-05-23  Cary Coutant  <ccoutant@google.com>
 157
 158         * layout.cc (Layout::section_name_mapping): Add rules to handle
 159         exact match on .data.rel.ro.local or .data.rel.ro.
 160         (Layout::output_section_name): Check for exact matches.
 161
 162 2012-05-23  Cary Coutant  <ccoutant@google.com>
 163
 164         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
 165         more carefully.
 166
 167 2012-05-22  Cary Coutant  <ccoutant@google.com>
 168
 169         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
 170         object before exporting symbol.
 171
 172 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 173
 174         * testsuite/tls_test.cc: Include "config.h" first.
 175         * testsuite/tls_test_c.c: Likewise.
 176
 177 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
 178             Nick Clifton  <nickc@redhat.com>
 179
 180         PR 14072
 181         * configure.in: Add check that sysdep.h has been included before
 182         any system header files.
 183         * configure: Regenerate.
 184         * config.in: Regenerate.
 185
 186 2012-05-14  Cary Coutant  <ccoutant@google.com>
 187
 188         * layout.cc (Layout::make_output_section): Mark .tdata section
 189         as RELRO.
 190         * testsuite/relro_test.cc: Add a TLS variable.
 191
 192 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 193
 194         PR gold/14091
 195         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
 196         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
 197         R_X86_64_64.
 198
 199 2012-05-08  Cary Coutant  <ccoutant@google.com>
 200
 201         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
 202         (lines_only_debug_sections): Likewise.
 203
 204 2012-05-02  Roland McGrath  <mcgrathr@google.com>
 205
 206         * nacl.cc: New file.
 207         * nacl.h: New file.
 208         * Makefile.am (CCFILES, HFILES): Add them.
 209         * Makefile.in: Regenerate.
 210         * i386.cc (Output_data_plt_i386_nacl): New class.
 211         (Output_data_plt_i386_nacl_exec): New class.
 212         (Output_data_plt_i386_nacl_dyn): New class.
 213         (Target_i386_nacl): New class.
 214         (Target_selector_i386_nacl): New class.
 215         (target_selector_i386): Use it instead of Target_selector_i386.
 216         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
 217         (Target_x86_64_nacl): New class.
 218         (Target_selector_x86_64_nacl): New class.
 219         (target_selector_x86_64, target_selector_x32): Use it instead of
 220         Target_selector_x86_64.
 221         * arm.cc (Output_data_plt_arm_nacl): New class.
 222         (Target_arm_nacl): New class.
 223         (Target_selector_arm_nacl): New class.
 224         (target_selector_arm, target_selector_armbe): Use it instead of
 225         Target_selector_arm.
 226
 227         * target-select.cc (select_target): Take new Input_file* and off_t
 228         arguments, pass them on to recognize method of selector.
 229         * object.cc (make_elf_sized_object): Update caller.
 230         * parameters.cc (parameters_force_valid_target): Likewise.
 231         * incremental.cc (make_sized_incremental_binary): Likewise.
 232         * target-select.h: Update decl.
 233         (Target_selector::recognize): Take new Input_file* argument,
 234         pass it on to do_recognize.
 235         (Target_selector::do_recognize): Take new Input_file* argument.
 236         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
 237         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
 238         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
 239         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
 240
 241         * target.h (Target::Target_info): New members isolate_execinstr
 242         and rosegment_gap.
 243         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
 244         * arm.cc (Target_arm::arm_info): Update initializer.
 245         * i386.cc (Target_i386::i386_info): Likewise.
 246         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
 247         * sparc.cc (Target_sparc::sparc_info): Likewise.
 248         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 249         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 250         * layout.cc (Layout::attach_allocated_section_to_segment):
 251         Take new const Target* argument.  If target->isolate_execinstr(), act
 252         like --rosegment.
 253         (Layout::find_first_load_seg): Take new const Target* argument;
 254         if target->isolate_execinstr(), reject PF_X segments.
 255         (Layout::relaxation_loop_body): Update caller.
 256         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 257         reset file offset to zero when we hit LOAD_SEG, and then do a second
 258         loop over the segments before LOAD_SEG to reassign offsets after
 259         addresses have been determined.  Handle target->rosegment_gap().
 260         (Layout::attach_section_to_segment): Take new const Target* argument;
 261         pass it to attach_allocated_section_to_segment.
 262         (Layout::make_output_section): Update caller.
 263         (Layout::attach_sections_to_segments): Take new const Target* argument;
 264         pass it to attach_section_to_segment.
 265         * gold.cc (queue_middle_tasks): Update caller.
 266         * layout.h (Layout): Update method decls with new arguments.
 267
 268         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 269         Target_info pointer to use.
 270         (Target_arm::do_make_data_plt): New virtual method.
 271         (Target_arm::make_data_plt): New method that calls it.
 272         (Target_arm::make_plt_entry): Use it.
 273         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 274         for the section alignment.
 275         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 276         method.
 277         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 278         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 279         method.
 280         (Output_data_plt_arm::get_plt_entry_size): Call it.
 281         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 282         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 283         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 284         method.
 285         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 286         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 287         method instead of sizeof(plt_entry).
 288         (Output_data_plt_arm::add_entry): Likewise.
 289         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 290         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 291         than static method.
 292         (Target_arm::plt_entry_size): Likewise.
 293         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 294         Move to ...
 295         (Output_data_plt_arm_standard): ... here, new class.
 296         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 297         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 298         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 299
 300         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 301         Take additional argument for the PLT entry size.
 302         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 303         Use get_plt_entry_size method rather than plt_entry_size variable.
 304         (Output_data_plt_x86_64::reserve_slot): Likewise.
 305         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 306         (Output_data_plt_x86_64::add_entry): Likewise.
 307         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 308         (Output_data_plt_x86_64::address_for_global): Likewise.
 309         (Output_data_plt_x86_64::address_for_local): Likewise.
 310         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 311         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 312         Make method non-static.
 313         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 314         method.
 315         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 316         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 317         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 318         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 319         virtual method.
 320         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 321         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 322         virtual method.
 323         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 324         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 325         virtual method.
 326         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 327         (Output_data_plt_x86_64::plt_entry_size)
 328         (Output_data_plt_x86_64::first_plt_entry)
 329         (Output_data_plt_x86_64::plt_entry)
 330         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 331         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 332         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 333         (Output_data_plt_x86_64_standard): ... here, new class.
 334         (Target_x86_64::Target_x86_64): Take optional argument for the
 335         Target_info pointer to use.
 336         (Target_x86_64::do_make_data_plt): New virtual method.
 337         (Target_x86_64::make_data_plt): New method to call it.
 338         (Target_x86_64::init_got_plt_for_update): Use that.
 339         Call this->plt_->add_eh_frame method here.
 340         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 341         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 342         rather than static method.
 343         (Target_x86_64::plt_entry_size): Likewise.
 344         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 345         rather than plt_entry_size variable.  Move guts of PLT filling to...
 346         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 347         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 348         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 349
 350         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 351         additional argument for the section alignment.
 352         Don't do add_eh_frame_for_plt here.
 353         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 354         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 355         variable.
 356         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 357         method.
 358         (Output_data_plt_i386::get_plt_entry_size): Call it.
 359         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 360         (Output_data_plt_i386::add_eh_frame): New method to call it.
 361         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 362         method.
 363         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 364         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 365         method.
 366         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 367         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 368         method instead of plt_entry_size.
 369         (Output_data_plt_i386::plt_entry_size)
 370         (Output_data_plt_i386::plt_eh_frame_fde_size)
 371         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 372         (Output_data_plt_i386_standard): ... here, new class.
 373         (Output_data_plt_i386_exec): New class.
 374         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 375         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 376         (Output_data_plt_i386::exec_plt_entry): Move to ...
 377         (Output_data_plt_i386_exec::plt_entry): ... here.
 378         (Output_data_plt_i386_dyn): New class.
 379         (Output_data_plt_i386::first_plt_entry): Move to ...
 380         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 381         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 382         (Output_data_plt_i386_dyn::plt_entry): ... here.
 383         (Target_i386::Target_i386): Take optional argument for the Target_info
 384         pointer to use.
 385         (Target_i386::do_make_data_plt): New virtual method.
 386         (Target_i386::make_data_plt): New method to call it.
 387         (Target_i386::make_plt_section): Use that.
 388         Call this->plt_->add_eh_frame method here.
 389         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 390         rather than plt_entry_size variable.
 391         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 392         (Output_data_plt_i386::address_for_local): Likewise.
 393         (Output_data_plt_i386::do_write): Likewise.
 394         Move guts of PLT filling to...
 395         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 396         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 397         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 398         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 399
 400 2012-05-01  Cary Coutant  <ccoutant@google.com>
 401
 402         * dwarf_reader.cc (Dwarf_die::read_attributes)
 403         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 404         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 405         * reduced_debug_output.cc
 406         (Output_reduced_debug_info_section::get_die_end): Remove
 407         DW_FORM_GNU_ref_index.  Add default case.
 408
 409 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 410
 411         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 412         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 413         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 414         DW_AT_high_pc as offset from DW_AT_low_pc.
 415
 416         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 417         * testsuite/Makefile.in: Regenerate.
 418         * testsuite/gdb_index_test_3.c: New test source file.
 419         * testsuite/gdb_index_test_3.sh: New test source file.
 420
 421 2012-04-25  Ian Lance Taylor  <iant@google.com>
 422
 423         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 424         pointer.
 425         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 426         as a class, not a struct.
 427         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 428         (Target_arm::apply_cortex_a8_workaround): Likewise.
 429         * gc.h: Declare Reloc_types as a struct, not a class.
 430         * object.h: Declare Symbols_data as a struct.
 431         * reloc.h: Declare Read_relocs_data as a struct.
 432         * target.h: Declare Relocate_info as a struct.
 433
 434 2012-04-24  David S. Miller  <davem@davemloft.net>
 435
 436         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 437         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 438         and R_SPARC_WPLT30.
 439
 440 2012-04-24  Cary Coutant  <ccoutant@google.com>
 441
 442         * incremental-dump.cc (find_input_containing_global): Replace
 443         magic number with symbolic constant.
 444         (dump_incremental_inputs): Update version number.
 445         * incremental.cc (Output_section_incremental_inputs): Update version
 446         number; import symbolic constants from Incremental_inputs_reader.
 447         (Incremental_inputs::create_data_sections): Align relocations
 448         section correctly for 64-bit targets.
 449         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 450         constants; add padding.
 451         (Output_section_incremental_inputs::write_header): Add assert for
 452         header_size.
 453         (Output_section_incremental_inputs::write_input_files): Add assert
 454         for input_entry_size.
 455         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 456         add assert for object_info_size, input_section_entry_size,
 457         global_sym_entry_size.
 458         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 459         for data structure sizes; use them.
 460         (Incremental_input_entry_reader): Import symbolic constants from
 461         Incremental_inputs_reader; use them.
 462
 463 2012-04-23  David S. Miller  <davem@davemloft.net>
 464
 465         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 466         and elf_flags_set_.
 467         (Target_sparc::Target_sparc): Initialize new fields.
 468         (Target_sparc::do_make_elf_object): New function.
 469         (Target_sparc::do_adjust_elf_header): New function.
 470
 471 2012-04-23  Cary Coutant  <ccoutant@google.com>
 472
 473         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 474         CU range table of gdb index.
 475
 476 2012-04-20  David S. Miller  <davem@davemloft.net>
 477
 478         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 479         instead of false.
 480
 481 2012-04-16  David S. Miller  <davem@davemloft.net>
 482
 483         * sparc.cc (Target_sparc::got_address): New function.
 484         (Sparc_relocate_functions::gdop_hix22): New function.
 485         (Sparc_relocate_functions::gdop_lox10): New function.
 486         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 487         relocs.
 488         (Target_sparc::Scan::local): Likewise if the global symbol is not
 489         preemptible and is not IFUNC.
 490         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 491         transformations for local and non-preemptible non-IFUNC global
 492         symbols.
 493
 494         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 495         writing out 64-bit part of ranges.
 496
 497         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 498         -fpic and -fpie respectively.
 499         * Makefile.in: Regenerate.
 500
 501         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 502         (Target_sparc::Target_sparc): Initialize new field.
 503         (Target_sparc::do_plt_section_for_global): New function.
 504         (Target_sparc::do_plt_section_for_local): New function.
 505         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 506         (Target_sparc::make_plt_section): New function, broken out of
 507         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 508         (Target_sparc::make_plt_entry): Call make_plt_section.
 509         (Target_sparc::make_local_ifunc_plt_entry): New function.
 510         (Target_sparc::rela_ifunc_section): New function.
 511         (Target_sparc::plt_section): Remove const.
 512         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 513         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 514         and ifunc_count_ fields.
 515         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 516         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 517         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 518         (Output_data_plt_sparc::rela_ifunc): New function.
 519         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 520         (Output_data_plt_sparc::has_ifunc_section): New function.
 521         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 522         (Output_data_plt_sparc::address_for_global): New function.
 523         (Output_data_plt_sparc::address_for_local): New function.
 524         (Output_data_plt_sparc::plt_index_to_offset): New function.
 525         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 526         and entry_count.
 527         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 528         entry_count.
 529         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 530         R_SPARC_JMP_IREL to switch.
 531         (Target_sparc::Scan::check_non_pic): Likewise.
 532         (Target_sparc::Scan::local): Handle IFUNC symbols.
 533         (Target_sparc::Scan::local): Likewise.
 534         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 535         and plt_address_for_local.
 536         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 537         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 538
 539         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 540         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 541         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 542         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 543         global relocs too.
 544         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 545         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 546         calls.
 547         * sparc.cc (Target_sparc::Scan::global): Likewise.
 548         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 549
 550 2012-04-16  Cary Coutant  <ccoutant@google.com>
 551
 552         * archive.cc (Library_base::should_include_member): Check for
 553         --export-dynamic-symbol.
 554         * options.h (class General_options): Add --export-dynamic-symbol.
 555         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 556         --export-dynamic-symbol.
 557         (Symbol_table::gc_mark_undef_symbols): Likewise.
 558         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 559
 560 2012-04-12  David S. Miller  <davem@davemloft.net>
 561
 562         * sparc.cc (Reloc::wdisp10): New relocation method.
 563         (Reloc::h34): Likewise.
 564         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 565         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 566         R_SPARC_WDISP10.
 567         (Target_sparc::Scan::local): Likewise.
 568         (Target_sparc::Scan::global): Likewise.
 569         (Target_sparc::Relocate::relocate): Likewise.
 570
 571 2012-04-09  Cary Coutant  <ccoutant@google.com>
 572
 573         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 574         low_pc == 0.
 575
 576 2012-04-06  Ian Lance Taylor  <iant@google.com>
 577
 578         * timer.cc: #include <unistd.h>.
 579
 580 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 581
 582         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 583         * config.in: Regenerate.
 584         * configure: Regenerate.
 585
 586 2012-04-05  Nick Clifton  <nickc@redhat.com>
 587
 588         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 589         (AM_LC_MESSAGES): Add.
 590         * aclocal.m4: Regenerate.
 591         * config.in: Regenerate.
 592         * configure: Regenerate.
 593
 594 2012-03-21  Cary Coutant  <ccoutant@google.com>
 595
 596         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 597         * Makefile.in: Regenerate.
 598         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 599         (Sized_elf_reloc_mapper::symbol_section): New function.
 600         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 601         (make_elf_reloc_mapper): New function.
 602         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 603         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 604         (Dwarf_abbrev_table::do_get_abbrev): New function.
 605         (Dwarf_ranges_table::read_ranges_table): New function.
 606         (Dwarf_ranges_table::read_range_list): New function.
 607         (Dwarf_pubnames_table::read_section): New function.
 608         (Dwarf_pubnames_table::read_header): New function.
 609         (Dwarf_pubnames_table::next_name): New function.
 610         (Dwarf_die::Dwarf_die): New function.
 611         (Dwarf_die::read_attributes): New function.
 612         (Dwarf_die::skip_attributes): New function.
 613         (Dwarf_die::set_name): New function.
 614         (Dwarf_die::set_linkage_name): New function.
 615         (Dwarf_die::attribute): New function.
 616         (Dwarf_die::string_attribute): New function.
 617         (Dwarf_die::int_attribute): New function.
 618         (Dwarf_die::uint_attribute): New function.
 619         (Dwarf_die::ref_attribute): New function.
 620         (Dwarf_die::child_offset): New function.
 621         (Dwarf_die::sibling_offset): New function.
 622         (Dwarf_info_reader::check_buffer): New function.
 623         (Dwarf_info_reader::parse): New function.
 624         (Dwarf_info_reader::do_parse): New function.
 625         (Dwarf_info_reader::do_read_string_table): New function.
 626         (Dwarf_info_reader::lookup_reloc): New function.
 627         (Dwarf_info_reader::get_string): New function.
 628         (Dwarf_info_reader::visit_compilation_unit): New function.
 629         (Dwarf_info_reader::visit_type_unit): New function.
 630         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 631         Sized_elf_reloc_mapper.
 632         (Sized_dwarf_line_info::symbol_section): Remove function.
 633         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 634         (Sized_dwarf_line_info::read_line_mappings): Remove object
 635         parameter, adjust callers.
 636         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 637         * dwarf_reader.h: Include <sys/types.h>.
 638         (class Track_relocs): Remove forward declaration.
 639         (class Elf_reloc_mapper): New class.
 640         (class Sized_elf_reloc_mapper): New class.
 641         (class Dwarf_abbrev_table): New class.
 642         (class Dwarf_range_list): New class.
 643         (class Dwarf_ranges_table): New class.
 644         (class Dwarf_pubnames_table): New class.
 645         (class Dwarf_die): New class.
 646         (class Dwarf_info_reader): New class.
 647         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 648         (Sized_dwarf_line_info::symbol_section): Remove member function.
 649         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 650         base class.
 651         * gdb-index.cc: New source file.
 652         * gdb-index.h: New source file.
 653         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 654         and .debug_types sections, call Layout::add_to_gdb_index.
 655         (Sized_relobj_incr::do_section_name): Implement.
 656         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 657         return type; Implement.
 658         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 659         return type.
 660         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 661         parameter list and return type.
 662         (Sized_incr_dynobj::do_section_contents): Likewise.
 663         * layout.cc: Include gdb-index.h.
 664         (Layout::Layout): Initialize gdb_index_data_.
 665         (Layout::init_fixed_output_section): Check for .gdb_index section.
 666         (Layout::add_to_gdb_index): New function. Instantiate.
 667         * layout.h: Add forward declaration for class Gdb_index.
 668         (Layout::add_to_gdb_index): New member function.
 669         (Layout::gdb_index_data_): New data member.
 670         * main.cc: Include gdb-index.h.
 671         (main): Print statistics for gdb index.
 672         * object.cc (Object::section_contents): Move code into
 673         do_section_contents.
 674         (need_decompressed_section): Check for sections needed when building
 675         gdb index.
 676         (build_compressed_section_map): Likewise.
 677         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 678         gdb index.
 679         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 680         sections; call Layout::add_to_gdb_index.
 681         (Sized_relobj_file::do_decompressed_section_contents): Call
 682         do_section_contents directly.
 683         * object.h (Object::do_section_contents): Adjust parameter list and
 684         return type.
 685         (Object::do_decompressed_section_contents): Call do_section_contents
 686         directly.
 687         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 688         return type.
 689         * options.h (class General_options): Add --gdb-index option.
 690         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 691         list and return type.
 692         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 693         * reloc.h (Track_relocs::checkpoint): New function.
 694         (Track_relocs::reset): New function.
 695
 696         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 697         New test cases.
 698         * testsuite/Makefile.in: Regenerate.
 699         * testsuite/gdb_index_test.cc: New test source file.
 700         * testsuite/gdb_index_test_1.sh: New test source file.
 701         * testsuite/gdb_index_test_2.sh: New test source file.
 702
 703 2012-03-19  Doug Kwan  <dougkwan@google.com>
 704
 705         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 706         (Target_arm::do_finalize_sections): Remove code which defines
 707         __exidx_start and __exidx_end.  Make symbol table parameter
 708         anonymous as it is not used.
 709         * gold.cc (queue_middle_tasks): Call target hook to define any
 710         target-specific symbols.
 711         * target.h (Target::define_standard_symbols): New method.
 712         (Target::do_define_standard_symbols): Same.
 713         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 714         * testsuite/Makefile.in: Regenerate.
 715         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 716         and __exidx_end.
 717         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 718         relocations are generated for __exidx_start and __exidx_end.
 719
 720 2012-03-16  Doug Kwan  <dougkwan@google.com>
 721
 722         * testsuite/Makefile.am: Disable test initpri3b.
 723         * testsuite/Makefile.in: Regenerate.
 724
 725 2012-03-15  Doug Kwan  <dougkwan@google.com>
 726
 727         * arm.cc (Target_arm::got_section): Make .got section read-only
 728         if -z now is given.
 729
 730 2012-03-15  Ian Lance Taylor  <iant@google.com>
 731
 732         PR gold/13850
 733         * layout.cc (Layout::make_output_section): Correctly mark
 734         SHT_INIT_ARRAY, et. al., as relro.
 735
 736 2012-03-14  Doug Kwan  <dougkwan@google.com>
 737
 738         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 739         dynamic relocations for protected symbols in shared objects.
 740
 741 2012-03-13  Ian Lance Taylor  <iant@google.com>
 742
 743         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 744         keep the larger alignment.
 745
 746 2012-03-12  Cary Coutant  <ccoutant@google.com>
 747
 748         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 749         handling of DW_LNE_define_file.
 750
 751 2012-03-12  Cary Coutant  <ccoutant@google.com>
 752
 753         * reduced_debug_output.cc
 754         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 755         codes to switch.
 756
 757 2012-02-29  Cary Coutant  <ccoutant@google.com>
 758
 759         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 760
 761 2012-02-29  Cary Coutant  <ccoutant@google.com>
 762
 763         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 764         Call Object::decompressed_section_contents.
 765         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 766         New dtor.
 767         (Sized_dwarf_line_info::buffer_start_): New data member.
 768         * merge.cc (Output_merge_data::do_add_input_section): Call
 769         Object::decompressed_section_contents.
 770         (Output_merge_string::do_add_input_section): Likewise.
 771         * object.cc (need_decompressed_section): New function.
 772         (build_compressed_section_map): Decompress sections needed later.
 773         (Sized_relobj_file::do_decompressed_section_contents): New function.
 774         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 775         * object.h (Object::decompressed_section_contents): New function.
 776         (Object::discard_decompressed_sections): New function.
 777         (Object::do_decompressed_section_contents): New function.
 778         (Object::do_discard_decompressed_sections): New function.
 779         (Compressed_section_info): New type.
 780         (Compressed_section_map): Include decompressed section contents.
 781         (Sized_relobj_file::do_decompressed_section_contents): New function.
 782         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 783
 784 2012-02-16  Cary Coutant  <ccoutant@google.com>
 785
 786         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 787         * testsuite/Makefile.in: Regenerate.
 788
 789 2012-02-14  Cary Coutant  <ccoutant@google.com>
 790
 791         * options.cc (General_options::finalize): Disallow -pie and -static.
 792
 793 2012-02-03  Doug Kwan  <dougkwan@google.com>
 794
 795         * arm.cc (Arm_relocate_functions::abs8,
 796         Arm_relocate_functions::abs16): Use
 797         Bits::has_signed_unsigned_overflow32.
 798         (Arm_relocate_functions::thm_abs8): Correct range of
 799         overflow check.
 800         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 801         in assertions.
 802
 803 2012-02-02  Doug Kwan  <dougkwan@google.com>
 804
 805         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 806         position independent outputs, not just shared objects.
 807
 808 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 809
 810         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 811         * configure: Regenerated.
 812
 813 2012-01-27  Ian Lance Taylor  <iant@google.com>
 814
 815         * reloc.h (Bits): New class with static functions, copied from
 816         namespace utils in arm.cc.
 817         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 818         instead.
 819
 820 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 821
 822         * incremental.cc (write_info_blocks): Correct relocation offset.
 823
 824 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 825
 826         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 827         (Relocate::tls_gd_to_le): Likewise.
 828
 829 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 830
 831         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 832
 833 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 834
 835         * configure.ac: Check if -mcmodel=medium works.
 836         * configure: Regenerated.
 837
 838 2012-01-24  Cary Coutant  <ccoutant@google.com>
 839
 840         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 841         definition and ...
 842         (read_unsigned_LEB_128_x): ... this new function.
 843         (read_signed_LEB_128): Replaced with inline definition and ...
 844         (read_signed_LEB_128_x): ... this new function.
 845         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 846         (read_unsigned_LEB_128): Add inline definition.
 847         (read_signed_LEB_128_x): New function.
 848         (read_signed_LEB_128): Add inline definition.
 849         * testsuite/Makefile.am (leb128_unittest): New unit test.
 850         * testsuite/Makefile.in: Regenerate.
 851         * testsuite/leb128_unittest.cc: New unit test.
 852
 853 2012-01-23  Ian Lance Taylor  <iant@google.com>
 854
 855         PR gold/13617
 856         * i386.cc (Target_i386::do_code_fill): When using a jmp
 857         instruction, pad with nop instructions.
 858         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 859
 860 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 861
 862         * x86_64.cc (gc_process_relocs): Add typename on types used in
 863         template.
 864         (scan_relocs): Likewise.
 865         (relocate_section): Likewise.
 866         (apply_relocation): Likewise.
 867
 868 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 869
 870         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 871         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 872         under x32.
 873
 874 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 875
 876         * x86_64.cc: Initial support for x32.
 877
 878 2012-01-03  Cary Coutant  <ccoutant@google.com>
 879
 880         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 881         Use abstract base class for GOT.
 882         * gold/output.h (class Output_data_got_base): New abstract base class.
 883         (class Output_data_got): Derive from new base class, adjust ctors.
 884         (Output_data_got::reserve_slot): Make virtual; rename to
 885         do_reserve_slot; Adjust callers.
 886         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 887         pointer to abstract base class.
 888         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 889
 890 2011-12-18  Ian Lance Taylor  <iant@google.com>
 891
 892         * object.h (Relobj::local_symbol_value): New function.
 893         (Relobj::local_plt_offset): New function.
 894         (Relobj::local_has_got_offset): New function.
 895         (Relobj::local_got_offset): New function.
 896         (Relobj::set_local_got_offset): New function.
 897         (Relobj::do_local_symbol_value): New pure virtual function.
 898         (Relobj::do_local_plt_offset): Likewise.
 899         (Relobj::do_local_has_got_offset): Likewise.
 900         (Relobj::do_local_got_offset): Likewise.
 901         (Relobj::do_set_local_got_offset): Likewise.
 902         (Sized_relobj::do_local_has_got_offset): Rename from
 903         local_has_got_offset.
 904         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 905         (Sized_relobj::do_set_local_got_offset): Rename from
 906         set_local_got_offset.
 907         (Sized_relobj_file::do_local_plt_offset): Rename from
 908         local_plt_offset.
 909         (Sized_relobj_file::do_local_symbol_value): New function.
 910         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 911         local_plt_offset.
 912         * output.cc (Output_data_got::Got_entry::write): Change object to
 913         Relobj.  Use local_symbol_value.
 914         (Output_data_got::add_global_with_rel): Change rel_dyn to
 915         Output_data_reloc_generic*.  Use add_global_generic.
 916         (Output_data_got::add_global_with_rela): Remove.  Change all
 917         callers to use add_global_with_rel.
 918         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 919         Output_data_reloc_generic*.  Use add_global_generic.
 920         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 921         callers to use add_global_pair_with_rel.
 922         (Output_data_got::add_local): Change object to Relobj*.
 923         (Output_data_got::add_local_plt): Likewise.
 924         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 925         change rel_dyn to Output_data_reloc_generic*.  Use
 926         add_local_generic.
 927         (Output_data_got::add_local_with_rela): Remove.  Change all
 928         callers to use all_local_with_rel.
 929         (Output_data_got::add_local_pair_with_rel): Change object to
 930         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 931         add_output_section_generic.
 932         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 933         callers to use add_local_pair_with_rel.
 934         (Output_data_got::reserve_local): Change object to Relobj*.
 935         * output.h: (class Output_data_reloc_generic): Add pure virtual
 936         declarations for add_global_generic, add_local_generic,
 937         add_output_section_generic.
 938         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 939         functions for Output_data_reloc_generic.  Update declarations for
 940         changes listed in output.cc.
 941         (class Output_data_got): Change template parameter to got_size.
 942         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 943         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 944         function.
 945         (Sized_relobj_incr::do_local_plt_offset): New function.
 946         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 947         add_global_generic.
 948
 949 2011-12-17  Cary Coutant  <ccoutant@google.com>
 950
 951         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 952         * resolve.cc (Symbol_table::resolve): Likewise.
 953         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 954         arrays.
 955         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 956
 957 2011-12-16  Ian Lance Taylor  <iant@google.com>
 958
 959         * output.h (Output_data_reloc_generic::add): Only call
 960         add_dynamic_reloc if this is a dynamic reloc section.
 961
 962 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 963
 964         PR gold/13505
 965         * target-reloc.h (apply_relocation): Replace <64, false> with
 966         <size, big_endian>.
 967
 968 2011-11-25  Nick Clifton  <nickc@redhat.com>
 969
 970         * po/it.po: New Italian translation.
 971
 972 2011-11-17  Sterling Augustine  <saugustine@google.com>
 973
 974         * script.cc (script_include_directive): Implement.
 975         (read_script_file): New local variables name and search_path. Update
 976         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 977         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 978         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 979
 980 2011-11-11  Sterling Augustine  <saugustine@google.com>
 981
 982         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 983         (file_or_sections_cmd): Likewise.
 984
 985 2011-11-11  Doug Kwan  <dougkwan@google.com>
 986
 987         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 988         if --just-symbols is given.
 989
 990 2011-11-10  Doug Kwan  <dougkwan@google.com>
 991
 992         PR gold/13362
 993         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 994         when processing data relocs.
 995         * reloc.h (Relocate_functions::rel_unaligned): New method.
 996         (Relocate_functions::pcrel_unaligned): Ditto.
 997         (Relocate_functions::rel32_unaligned): Ditto.
 998         (Relocate_functions::pcrel32_unaligned): Ditto.
 999
1000 2011-11-09  Doug Kwan  <dougkwan@google.com>
1001
1002         PR gold/13362
1003         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1004         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1005         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1006         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1007         (Relocate_functions::rel_unaligned): New.
1008         (Relocate_functions::rel32_unaligned): New.
1009         * target-reloc.h (relocate_for_relocatable): Add code to handle
1010         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1011         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1012         arm_unaligned_reloc_r): New targets.
1013         * testsuite/Makefile.in: Regenerate.
1014         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1015         linking.
1016
1017 2011-11-02  Ian Lance Taylor  <iant@google.com>
1018
1019         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1020         NATIVE_LINKER.
1021         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1022         * options.cc (General_options::finalize): Use library search path
1023         from configure script if specified.  If not native and no sysroot,
1024         only search TOOLLIBDIR.
1025         * options.h (Search_directory::Search_directory): Change name to
1026         const std::string&.
1027         (General_options::add_to_library_path_with_sysroot): Change arg to
1028         const std::string&.
1029         * configure, Makefile.in, config.in: Rebuild.
1030
1031 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1032
1033         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1034         we are working around the ARM1176 Erratum.
1035         * options.h (General_options::fix_arm1176): Add option.
1036         * testsuite/Makefile.am: Add testcases, and keep current ones
1037         working.
1038         * testsuite/Makefile.in: Regenerate.
1039         * testsuite/arm_fix_1176.s: New file.
1040         * testsuite/arm_fix_1176.sh: Likewise.
1041
1042 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1043
1044         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1045         may_use_blx_.
1046         (Target_arm::may_use_blx): Remove method.
1047         (Target_arm::set_may_use_blx): Likewise.
1048         (Target_arm::may_use_v4t_interworking): New method.
1049         (Target_arm::may_use_v5t_interworking): Likewise.
1050         (Target_arm::may_use_blx_): Remove member variable.
1051         (Arm_relocate_functions::arm_branch_common): Check for v5T
1052         interworking.
1053         (Arm_relocate_functions::thumb_branch_common): Likewise.
1054         (Reloc_stub::stub_type_for_reloc): Likewise.
1055         (Target_arm::do_finalize_sections): Correct interworking checks.
1056         * testsuite/Makefile.am: Add new tests.
1057         * testsuite/Makefile.in: Regenerate.
1058         * testsuite/arm_farcall_arm_arm.s: New test.
1059         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1060         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1061         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1062         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1063         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1064         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1065         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1066
1067 2011-10-31  Cary Coutant  <ccoutant@google.com>
1068
1069         PR gold/13023
1070         * expression.cc (Expression::eval_with_dot): Add
1071         is_section_dot_assignment parameter.
1072         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1073         absolute and assigning to dot within a section.
1074         * script-sections.cc
1075         (Output_section_element_assignment::set_section_addresses): Pass
1076         dot_section to set_if_absolute.
1077         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1078         as is_section_dot_assignment flag to eval_with_dot.
1079         (Output_section_element_dot_assignment::set_section_addresses):
1080         Likewise.
1081         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1082         parameter.  Also set value if relative to dot_section; set the
1083         symbol's output_section.
1084         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1085         parameter.  Adjust all callers.
1086         (Expression::eval_maybe_dot): Likewise.
1087         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1088         Adjust all callers.
1089         * testsuite/script_test_2.t: Test assignment of an absolute value
1090         to dot within an output section element.
1091
1092 2011-10-31  Cary Coutant  <ccoutant@google.com>
1093
1094         * options.h (class General_options): Add --[no-]gnu-unique options.
1095         * symtab.cc (Symbol_table::sized_write_globals): Convert
1096         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1097
1098 2011-10-31  Cary Coutant  <ccoutant@google.com>
1099
1100         PR gold/13359
1101         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1102         unnecessary assertion.
1103         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1104
1105 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1106
1107         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1108         gc_mark_symbol.
1109         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1110         gc_mark_symbol.
1111         Change to just keep the section associated with symbol.
1112         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1113         they are externally visible and --export-dynamic is turned on.
1114         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1115
1116 2011-10-19  Ian Lance Taylor  <iant@google.com>
1117
1118         PR gold/13163
1119         * script-sections.cc
1120         (Output_section_element_dot_assignment::needs_output_section): New
1121         function.
1122
1123 2011-10-19  Ian Lance Taylor  <iant@google.com>
1124
1125         PR gold/13204
1126         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1127         --section-start option was seen.
1128         * options.h (General_options::any_section_start): New function.
1129
1130 2011-10-18  David S. Miller  <davem@davemloft.net>
1131
1132         PR binutils/13301
1133         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1134         member to track relocation locations that have moved during TLS
1135         reloc optimizations.
1136         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1137         (Target_sparc::Relocate::relocate): Adjust view down by 4
1138         bytes if it matches reloc_adjust_addr_.
1139         (Target_sparc::Relocate::relocate_tls): Always move the
1140         __tls_get_addr call delay slot instruction forward 4 bytes when
1141         performing relaxation.
1142
1143 2011-10-18  Cary Coutant  <ccoutant@google.com>
1144
1145         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1146         (Output_file::map_no_anonymous): Check for non-zero
1147         return code from posix_fallocate.
1148
1149 2011-10-17  Cary Coutant  <ccoutant@google.com>
1150
1151         PR gold/13245
1152         * plugin.cc (is_visible_from_outside): Check for symbols
1153         referenced from dynamic objects.
1154         * resolve.cc (Symbol_table::resolve): Don't count references
1155         from dynamic objects as references from real ELF files.
1156         * testsuite/plugin_test_2.sh: Adjust expected result.
1157
1158 2011-10-17  Cary Coutant  <ccoutant@google.com>
1159
1160         * gold.cc: Include timer.h.
1161         (queue_middle_tasks): Stamp time.
1162         (queue_final_tasks): Likewise.
1163         * main.cc (main): Store timer in parameters.  Print timers
1164         for each pass.
1165         * parameters.cc (Parameters::Parameters): Initialize timer_.
1166         (Parameters::set_timer): New function.
1167         (set_parameters_timer): New function.
1168         * parameters.h (Parameters::set_timer): New function.
1169         (Parameters::timer): New function.
1170         (Parameters::timer_): New data member.
1171         (set_parameters_timer): New function.
1172         * timer.cc (Timer::stamp): New function.
1173         (Timer::get_pass_time): New function.
1174         * timer.h (Timer::stamp): New function.
1175         (Timer::get_pass_time): New function.
1176         (Timer::pass_times_): New data member.
1177
1178 2011-10-17  Cary Coutant  <ccoutant@google.com>
1179
1180         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1181         task for members of lib groups.
1182
1183 2011-10-17  Cary Coutant  <ccoutant@google.com>
1184
1185         PR gold/13288
1186         * fileread.cc (File_read::find_view): Add assert.
1187         (File_read::make_view): Move bounds check (replace with assert)...
1188         (File_read::find_or_make_view): ... to here.
1189
1190 2011-10-12  Cary Coutant  <ccoutant@google.com>
1191
1192         * output.cc (Output_file::open_base_file): Handle case where
1193         ::read returns less than requested size.
1194
1195 2011-10-10  Cary Coutant  <ccoutant@google.com>
1196
1197         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1198         Initialize defined_count_.
1199         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1200         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1201         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1202         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1203         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1204         * incremental.h (Sized_relobj_incr::defined_count_): New data
1205         member.
1206         (Sized_incr_dynobj::defined_count_): New data member.
1207         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1208         Return zeroes instead of internal error.
1209
1210 2011-10-10  Cary Coutant  <ccoutant@google.com>
1211
1212         PR gold/13249
1213         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1214         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1215         * output.h (class Output_reloc): Add use_plt_offset flag.
1216         (Output_reloc::type_): Adjust size of bit field.
1217         (Output_reloc::use_plt_offset_): New bit field.
1218         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1219         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1220         flag.  Adjust all callers.
1221         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1222         creating RELATIVE relocations.
1223
1224 2011-10-10  Nick Clifton  <nickc@redhat.com>
1225
1226         * po/es.po: Updated Spanish translation.
1227         * po/fi.po: Updated Finnish translation.
1228
1229 2011-10-03   Diego Novillo  <dnovillo@google.com>
1230
1231         * options.cc (parse_uint): Fix dereference of RETVAL.
1232
1233 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1234
1235         * layout.h (section_order_map_): New member.
1236         (get_section_order_map): New member function.
1237         * output.cc (Output_section::add_input_section): Check for patterns
1238         only when --section-ordering-file is specified.
1239         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1240         output_sections have been formed.
1241         * layout.cc (Layout_Layout): Initialize section_order_map_.
1242         * plugin.cc (update_section_order): Store order in order_map. Do not
1243         update the order.
1244         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1245         * testsuite/Makefile.in: Regenerate.
1246         * testsuite/plugin_section_order.c: New file.
1247         * testsuite/plugin_final_layout.cc: New file.
1248         * testsuite/plugin_final_layout.sh: New file.
1249
1250 2011-09-29  Cary Coutant  <ccoutant@google.com>
1251
1252         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1253         Check for NULL.
1254         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1255         symbols during incremental update.
1256         (Symbol_table::add_from_dynobj): Likewise.
1257
1258 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1259             Ian Lance Taylor  <iant@google.com>
1260
1261         * symtab.cc (Symbol_table::define_special_symbol): Always
1262         canonicalize version string.
1263
1264 2011-09-26  Cary Coutant  <ccoutant@google.com>
1265
1266         * gold.cc (queue_initial_tasks): Move option checks ...
1267         * options.cc (General_options::finalize): ... to here. Disable
1268         some options; make others fatal.
1269
1270 2011-09-26  Cary Coutant  <ccoutant@google.com>
1271
1272         gcc PR lto/47247
1273         * plugin.cc (get_symbols_v2): New function.
1274         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1275         (is_referenced_from_outside): New function.
1276         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1277         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1278         (get_symbols): Pass version parameter.
1279         (get_symbols_v2): New function.
1280         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1281         parameter.
1282         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1283         (onload): Add LDPT_GET_SYMBOLS_V2.
1284         (all_symbols_read_hook): Use get_symbols_v2; check for
1285         LDPR_PREVAILING_DEF_IRONLY_EXP.
1286         * testsuite/plugin_test_3.sh: Update expected results.
1287
1288 2011-09-23  Simon Baldwin  <simonb@google.com>
1289
1290         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1291         configuration options.
1292         * configure: Regenerate.
1293         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1294         * Makefile.in: Regenerate.
1295         * testsuite/Makefile.in: Regenerate.
1296
1297 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1298
1299         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1300
1301 2011-09-19  Cary Coutant  <ccoutant@google.com>
1302
1303         * incremental.cc (can_incremental_update): Fix typo in comment.
1304         * incremental.h (can_incremental_update): Likewise.
1305
1306 2011-09-18  Cary Coutant  <ccoutant@google.com>
1307
1308         * incremental.cc (can_incremental_update): New function.
1309         * incremental.h (can_incremental_update): New function.
1310         * layout.cc (Layout::init_fixed_output_section): Call it.
1311         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1312         * object.cc (Sized_relobj_file::do_layout): Call
1313         can_incremental_update.
1314
1315 2011-09-13  Cary Coutant  <ccoutant@google.com>
1316
1317         * configure.ac: Check for glibc support for gnu_indirect_function
1318         support with static linking, setting automake conditional
1319         IFUNC_STATIC.
1320         * Makefile.in: Regenerate.
1321         * configure: Regenerate.
1322
1323         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1324         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1325         for IFUNC_STATIC.
1326         * testsuite/Makefile.in: Regenerate.
1327
1328 2011-09-13  Cary Coutant  <ccoutant@google.com>
1329
1330         * incremental.cc (Sized_relobj_incr::do_layout): Call
1331         report_comdat_group for kept comdat sections.
1332         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1333         * testsuite/Makefile.in: Regenerate.
1334         * testsuite/incr_comdat_test_1.cc: New source file.
1335         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1336         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1337         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1338
1339 2011-09-13  Ian Lance Taylor  <iant@google.com>
1340
1341         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1342         variable external_symbols_offset.
1343
1344 2011-09-12  Ian Lance Taylor  <iant@google.com>
1345
1346         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1347         triggered if object has no symbols.
1348
1349 2011-09-09  David S. Miller  <davem@davemloft.net>
1350
1351         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1352         (Output_fill_debug_line::do_write): Likewise.
1353
1354 2011-08-29  Cary Coutant  <ccoutant@google.com>
1355
1356         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1357         casts to match formatting specs.
1358         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1359
1360 2011-08-26  Cary Coutant  <ccoutant@google.com>
1361
1362         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1363         remaining hole size when allocating.
1364         (Layout::make_output_section): Set fill methods for debug sections.
1365         * layout.h (Free_list::Free_list_node): Move from private to
1366         public.
1367         (Free_list::set_min_hole_size): New function.
1368         (Free_list::begin, Free_list::end): New functions.
1369         (Free_list::min_hole_): New data member.
1370         * output.cc: Include dwarf.h.
1371         (Output_fill_debug_info::do_minimum_hole_size): New function.
1372         (Output_fill_debug_info::do_write): New function.
1373         (Output_fill_debug_line::do_minimum_hole_size): New function.
1374         (Output_fill_debug_line::do_write): New function.
1375         (Output_section::Output_section): Initialize new data member.
1376         (Output_section::set_final_data_size): Ensure patch space is larger
1377         than minimum hole size.
1378         (Output_section::do_write): Fill holes in debug sections.
1379         * output.h (Output_fill): New class.
1380         (Output_fill_debug_info): New class.
1381         (Output_fill_debug_line): New class.
1382         (Output_section::set_free_space_fill): New function.
1383         (Output_section::free_space_fill_): New data member.
1384         * testsuite/Makefile.am (incremental_test_3): Add
1385         --incremental-patch option.
1386         (incremental_test_4): Likewise.
1387         (incremental_test_5): Likewise.
1388         (incremental_test_6): Likewise.
1389         (incremental_copy_test): Likewise.
1390         (incremental_common_test_1): Likewise.
1391         * testsuite/Makefile.in: Regenerate.
1392
1393 2011-08-26  Nick Clifton  <nickc@redhat.com>
1394
1395         * po/es.po: Updated Spanish translation.
1396
1397 2011-08-01  Cary Coutant  <ccoutant@google.com>
1398
1399         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1400         * gold/testsuite/Makefile.in: Regenerate.
1401         * gold/testsuite/justsyms_exec.c: New source file.
1402         * gold/testsuite/justsyms_lib.c: New source file.
1403
1404 2011-08-01  Cary Coutant  <ccoutant@google.com>
1405
1406         * layout.cc (Layout::set_segment_offsets): Don't realign text
1407         segment if -Ttext was specified.
1408         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1409         file type.
1410         * object.h (Sized_relobj_file::e_type): New function.
1411         (Sized_relobj_file::e_type_): New data member.
1412         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1413         base address for ET_EXEC files.
1414         * target.cc (Target::do_make_elf_object_implementation): Allow
1415         ET_EXEC files with --just-symbols option.
1416
1417 2011-07-28  Cary Coutant  <ccoutant@google.com>
1418
1419         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1420         Add thread_number parameter.
1421         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1422         * workqueue-threads.cc
1423         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1424         current thread if its thread number is greater than desired thread
1425         count.
1426         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1427         Add thread_number parameter.
1428         (Workqueue::should_cancel_thread): Likewise.
1429         (Workqueue::find_runnable_or_wait): Pass thread_number to
1430         should_cancel_thread.
1431         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1432         parameter.
1433
1434 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1435
1436         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1437         only after checking if it cannot be forced local.
1438         * symtab.h (is_externally_visible): Check if the symbol is not forced
1439         local.
1440
1441 2011-07-15  Ian Lance Taylor  <iant@google.com>
1442
1443         * options.h (class General_options): Add --print-output-format.
1444         Move -EL next to -EB, for  better --help output.
1445         * target-select.cc: Include <cstdio>, "options.h", and
1446         "parameters.h".
1447         (Target_selector::do_target_bfd_name): New function.
1448         (print_output_format): New function.
1449         * target-select.h (class Target_selector): Update declarations.
1450         (Target_selector::target_bfd_name): New function.
1451         (print_output_format): Declare.
1452         * main.cc: Include "target-select.h".
1453         (main): Handle --print-output-format.
1454         * gold.cc: Include "target-select.h".
1455         (queue_initial_tasks): Handle --print-output-format when there are
1456         no input files.
1457         * parameters.cc (parameters_force_valid_target): Give a better
1458         error message if -EB/-EL does not match target.
1459         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1460         function.
1461
1462 2011-07-15  Ian Lance Taylor  <iant@google.com>
1463
1464         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1465         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1466         (Output_data_plt_i386::do_write): Write address of .dynamic
1467         section to first entry in .got.plt section.
1468         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1469         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1470         Initialize layout_.
1471         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1472         section to first entry in .got.plt section.
1473         * layout.h (Layout::dynamic_section): New function.
1474
1475 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1476
1477         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1478         to claim_file call.
1479         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1480         input_section_position_, and input_section_glob_.
1481         (read_layout_from_file): Call function section_ordering_specified.
1482         * layout.h (is_section_ordering_specified): New function.
1483         (section_ordering_specified): New function.
1484         (section_ordering_specified_): New boolean member.
1485         * main.cc(main): Call load_plugins after layout object is defined.
1486         * output.cc (Output_section::add_input_section): Use
1487         function section_ordering_specified to check if section ordering is
1488         needed.
1489         * output.cc (Output_section::add_relaxed_input_section): Use
1490         function section_ordering_specified to check if section ordering is
1491         needed.
1492         (Output_section::update_section_layout): New function.
1493         (Output_section::sort_attached_input_sections): Check if input section
1494         must be reordered.
1495         * output.h (Output_section::update_section_layout): New function.
1496         * plugin.cc (get_section_count): New function.
1497         (get_section_type): New function.
1498         (get_section_name): New function.
1499         (get_section_contents): New function.
1500         (update_section_order): New function.
1501         (allow_section_ordering): New function.
1502         (Plugin::load): Add the new interfaces to the transfer vector.
1503         (Plugin_manager::load_plugins): New parameter.
1504         (Plugin_manager::all_symbols_read): New parameter.
1505         (Plugin_manager::claim_file): New parameter. Save the elf object for
1506         unclaimed objects.
1507         (Plugin_manager::get_elf_object): New function.
1508         (Plugin_manager::get_view): Change to directly use the bool to check
1509         if get_view is called from claim_file_hook.
1510         * plugin.h (input_objects): New function
1511         (Plugin__manager::load_plugins): New parameter.
1512         (Plugin_manager::claim_file): New parameter.
1513         (Plugin_manager::get_elf_object): New function.
1514         (Plugin_manager::in_claim_file_handler): New function.
1515         (Plugin_manager::in_claim_file_handler_): New member.
1516         (layout): New function.
1517         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1518         handler with an extra parameter. Make the elf object before calling
1519         claim_file handler.
1520         * testsuite/plugin_test.c (get_section_count): New function pointer.
1521         (get_section_type): New function pointer.
1522         (get_section_name): New function pointer.
1523         (get_section_contents): New function pointer.
1524         (update_section_order): New function pointer.
1525         (allow_section_ordering): New function pointer.
1526         (onload): Check if the new interfaces exist.
1527
1528 2011-07-13  Ian Lance Taylor  <iant@google.com>
1529
1530         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1531         relro section.
1532         * x86_64.cc (Target_x86_64::got_section): Likewise.
1533         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1534         (relro_now_test_SOURCES): New variable.
1535         (relro_now_test_DEPENDENCIES): New variable.
1536         (relro_now_test_LDFLAGS): New variable.
1537         (relro_now_test_LDADD): New variable.
1538         (relro_now_test.so): New target.
1539         * testsuite/Makefile.in: Rebuild.
1540
1541 2011-07-12  Ian Lance Taylor  <iant@google.com>
1542
1543         PR gold/12980
1544         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1545         GLOB_DAT relocation rather than a RELATIVE relocation for a
1546         protected symbol when creating a shared library.
1547         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1548         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1549         * testsuite/protected_main_1.cc (main): Test that protected
1550         function has same address.
1551
1552 2011-07-11  Ian Lance Taylor  <iant@google.com>
1553
1554         PR gold/12979
1555         * options.h (class General_options): Add -Bgroup.
1556         * options.cc (General_options::finalize): If -Bgroup is set,
1557         default to --unresolved-symbols=report-all.
1558         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1559         * target-reloc.h (issue_undefined_symbol_error): Handle
1560         --unresolved-symbols=report-all.
1561
1562 2011-07-08  Ian Lance Taylor  <iant@google.com>
1563
1564         PR gold/11985
1565         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1566         if linker script discards key sections.
1567         (Layout::create_dynamic_symtab): Likewise.
1568         (Layout::assign_local_dynsym_offsets): Likewise.
1569         (Layout::sized_create_version_sections): Likewise.
1570         (Layout::create_interp): Likewise.
1571         (Layout::finish_dynamic_section): Likewise.
1572         (Layout::set_dynamic_symbol_size): Likewise.
1573
1574 2011-07-08  Ian Lance Taylor  <iant@google.com>
1575
1576         PR gold/12386
1577         * options.h (class General_options): Add --unresolved-symbols.
1578         * target-reloc.h (issue_undefined_symbol_error): Check
1579         --unresolved-symbols.  Add comments.
1580
1581 2011-07-08  Ian Lance Taylor  <iant@google.com>
1582
1583         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1584         expression more complex.
1585
1586 2011-07-08  Ian Lance Taylor  <iant@google.com>
1587
1588         PR gold/11317
1589         * target-reloc.h (issue_undefined_symbol_error): New inline
1590         function, broken out of relocate_section.
1591         (relocate_section): Call issue_undefined_symbol_error.
1592         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1593         there is no TLS segment if we are about to issue an undefined
1594         symbol error.
1595         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1596
1597 2011-07-08  Ian Lance Taylor  <iant@google.com>
1598
1599         PR gold/12279
1600         * resolve.cc (Symbol_table::should_override): Add fromtype
1601         parameter.  Change all callers.  Give error when linking together
1602         TLS and non-TLS symbol.
1603         (Symbol_table::should_override_with_special): Add fromtype
1604         parameter.  Change all callers.
1605         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1606         there is no TLS segment if we have reported some errors.
1607         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1608
1609 2011-07-08  Ian Lance Taylor  <iant@google.com>
1610
1611         PR gold/12372
1612         * target.h (Target::plt_address_for_global): New function.
1613         (Target::plt_address_for_local): New function.
1614         (Target::plt_section_for_global): Remove.
1615         (Target::plt_section_for_local): Remove.
1616         (Target::do_plt_address_for_global): New virtual function.
1617         (Target::do_plt_address_for_local): New virtual function.
1618         (Target::do_plt_section_for_global): Remove.
1619         (Target::do_plt_section_for_local): Remove.
1620         (Target::register_global_plt_entry): Add Symbol_table and Layout
1621         parameters.
1622         * output.cc (Output_data_got::Got_entry::write): Use
1623         plt_address_for_global and plt_address_for_local.
1624         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1625         address of output section.
1626         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1627         got_irelative_, and irelative_count_ fields.  Update
1628         declarations.
1629         (Output_data_plt_i386::has_irelative_section): New function.
1630         (Output_data_plt_i386::entry_count): Add irelative_count_.
1631         (Output_data_plt_i386::set_final_data_size): Likewise.
1632         (class Target_i386): Add got_irelative_ and rel_irelative_
1633         fields.  Update declarations.
1634         (Target_i386::Target_i386): Initialize new fields.
1635         (Target_i386::do_plt_address_for_global): New function replacing
1636         do_plt_section_for_global.
1637         (Target_i386::do_plt_address_for_local): New function replacing
1638         do_plt_section_for_local.
1639         (Target_i386::got_section): Create got_irelative_.
1640         (Target_i386::rel_irelative_section): New function.
1641         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1642         fields.  Don't define __rel_iplt_{start,end}.
1643         (Output_data_plt_i386::add_entry): Add symtab and layout
1644         parameters.  Change all callers.  Use different PLT and GOT for
1645         IFUNC symbols.
1646         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1647         layout parameters.  Change all callers.  Use different PLT and
1648         GOT.
1649         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1650         (Output_data_plt_i386::rel_irelative): New function.
1651         (Output_data_plt_i386::address_for_global): New function.
1652         (Output_data_plt_i386::address_for_local): New function.
1653         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1654         IRELATIVE GOT when changing IFUNC GOT entries.
1655         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1656         reloc.
1657         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1658         if we didn't create an IRELATIVE GOT.
1659         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1660         plt_address_for_local.
1661         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1662         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1663         got_irelative_, and irelative_count_ fields.  Update
1664         declarations.
1665         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1666         Initialize new fields.  Remove symtab parameter.  Change all
1667         callers.
1668         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1669         irelative_count_.
1670         (Output_data_plt_x86_64::has_irelative_section): New function.
1671         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1672         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1673         fields.  Update declarations.
1674         (Target_x86_64::Target_x86_64): Initialize new fields.
1675         (Target_x86_64::do_plt_address_for_global): New function replacing
1676         do_plt_section_for_global.
1677         (Target_x86_64::do_plt_address_for_local): New function replacing
1678         do_plt_section_for_local.
1679         (Target_x86_64::got_section): Create got_irelative_.
1680         (Target_x86_64::rela_irelative_section): New function.
1681         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1682         all callers.  Don't create __rel_iplt_{start,end}.
1683         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1684         parameters.  Change all callers.  Use different PLT and GOT for
1685         IFUNC symbols.
1686         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1687         layout parameters.  Change all callers.  Use different PLT and
1688         GOT.
1689         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1690         parameters.  Change all callers.  Use different PLT and GOT for
1691         IFUNC symbols.
1692         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1693         (Output_data_plt_x86_64::rela_irelative): New function.
1694         (Output_data_plt_x86_64::address_for_global): New function.
1695         (Output_data_plt_x86_64::address_for_local): New function.
1696         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1697         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1698         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1699         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1700         parameters.
1701         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1702         reloc.
1703         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1704         symbols if we didn't create an IRELATIVE GOT.
1705         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1706         plt_address_for_local.
1707         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1708         * testsuite/ifuncvar1.c: New test file.
1709         * testsuite/ifuncvar2.c: New test file.
1710         * testsuite/ifuncvar3.c: New test file.
1711         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1712         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1713         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1714         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1715         * testsuite/Makefile.in: Rebuild.
1716
1717 2011-07-07  Cary Coutant  <ccoutant@google.com>
1718
1719         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1720         (two_file_test_1_ndebug.o): Likewise.
1721         (two_file_test_1b_ndebug.o): Likewise.
1722         (two_file_test_2_ndebug.o): Likewise.
1723         (two_file_test_main_ndebug.o): Likewise.
1724         (incremental_test_2): Link with no-debug versions.
1725
1726 2011-07-06  Cary Coutant  <ccoutant@google.com>
1727
1728         * gold/incremental.cc
1729         (Output_section_incremental_inputs::write_info_blocks): Check for
1730         hidden and internal symbols.
1731
1732 2011-07-06  Cary Coutant  <ccoutant@google.com>
1733
1734         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1735         Check disposition for startup file.
1736         (Incremental_inputs::report_command_line): Ignore
1737         --incremental-startup-unchanged option.
1738         * options.cc (General_options::parse_incremental_startup_unchanged):
1739         New function.
1740         (General_options::General_options): Initialize new data member.
1741         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1742         (General_options): Add --incremental-startup-unchanged option.
1743         (General_options::incremental_startup_disposition): New function.
1744         (General_options::incremental_startup_disposition_): New data member.
1745
1746 2011-07-06  Cary Coutant  <ccoutant@google.com>
1747
1748         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1749         input file index to Script_info ctor.
1750         (Sized_incremental_binary::do_file_has_changed): Find the
1751         command-line argument for files named in scripts.
1752         * incremental.h (Script_info::Script_info): New ctor
1753         with input file index.
1754         (Script_info::input_file_index): New function.
1755         (Script_info::input_file_index_): New data member.
1756         (Incremental_binary::get_library): Add const.
1757         (Incremental_binary::get_script_info): Add const.
1758         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1759         * testsuite/Makefile.am (incremental_test_5): New test case.
1760         (incremental_test_6): New test case.
1761         * testsuite/Makefile.in: Regenerate.
1762
1763 2011-07-06  Cary Coutant  <ccoutant@google.com>
1764
1765         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1766         debug output when command lines differ.
1767
1768 2011-07-06  Cary Coutant  <ccoutant@google.com>
1769
1770         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1771         --incremental-patch option.
1772         * layout.cc (Free_list::allocate): Extend allocation beyond original
1773         end if enabled.
1774         (Layout::make_output_section): Mark sections that should get
1775         patch space.
1776         * options.cc (parse_percent): New function.
1777         * options.h (parse_percent): New function.
1778         (DEFINE_percent): New macro.
1779         (General_options): Add --incremental-patch option.
1780         * output.cc (Output_section::Output_section): Initialize new data
1781         members.
1782         (Output_section::add_input_section): Print section name when out
1783         of patch space.
1784         (Output_section::add_output_section_data): Likewise.
1785         (Output_section::set_final_data_size): Add patch space when
1786         doing --incremental-full.
1787         (Output_section::do_reset_address_and_file_offset): Remove patch
1788         space.
1789         (Output_segment::set_section_list_addresses): Print debug output
1790         only if --incremental-update.
1791         * output.h (Output_section::set_is_patch_space_allowed): New function.
1792         (Output_section::is_patch_space_allowed_): New data member.
1793         (Output_section::patch_space_): New data member.
1794         * parameters.cc (Parameters::incremental_full): New function.
1795         * parameters.h (Parameters::incremental_full): New function
1796         * testsuite/Makefile.am (incremental_test_2): Add test for
1797         --incremental-patch option.
1798         * testsuite/Makefile.in: Regenerate.
1799         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1800         (t18): Remove function body.
1801
1802 2011-07-05  Doug Kwan  <dougkwan@google.com>
1803
1804         PR gold/12771
1805         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1806         Arm_Address type for relocation result.
1807         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1808         overflow check.
1809         (Arm_relocate_functions::abs32): Use unaligned access.
1810         (Arm_relocate_functions::rel32): Ditto.
1811         (Arm_relocate_functions::prel31): Ditto.
1812         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1813         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1814         static data relocations.
1815         * testsuite/Makefile.in: Regnerate.
1816         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1817
1818 2011-07-05  Ian Lance Taylor  <iant@google.com>
1819
1820         PR gold/12392
1821         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1822         symbols if necessary.
1823         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1824
1825 2011-07-05  Ian Lance Taylor  <iant@google.com>
1826
1827         PR gold/12952
1828         * resolve.cc (Symbol::override_base_with_special): Simply override
1829         version with special symbol version, ignoring previous version.
1830
1831 2011-07-05  Ian Lance Taylor  <iant@google.com>
1832
1833         * object.cc (Sized_relobj_file::include_section_group): Add
1834         information to comment about signature location.
1835
1836 2011-07-02  Ian Lance Taylor  <iant@google.com>
1837
1838         PR gold/12957
1839         * options.h (class General_options): Add -f and -F.
1840         * options.cc (General_options::finalize): Fatal error if -f/-F
1841         are used without -shared.
1842         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1843
1844 2011-07-02  Ian Lance Taylor  <iant@google.com>
1845
1846         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1847
1848 2011-07-01  Ian Lance Taylor  <iant@google.com>
1849
1850         PR gold/12525
1851         PR gold/12952
1852         * resolve.cc (Symbol::override_base_with_special): Don't override
1853         the version if the overriding symbol has a different name.
1854         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1855         all callers.  If we give an error about an undefined version,
1856         define the base version if necessary.
1857         * dynobj.h (class Versions): Update declaration.
1858         * testsuite/weak_alias_test_5.cc: New file.
1859         * testsuite/weak_alias_test.script: New file.
1860         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1861         and versioned_alias have the right value, and call t2.
1862         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1863         weak_alias_test_5.so.
1864         (weak_alias_test_LDADD): Likewise.
1865         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1866         * testsuite/Makefile.in: Rebuild.
1867
1868 2011-07-01  Ian Lance Taylor  <iant@google.com>
1869
1870         PR gold/12525
1871         * options.h (class General_options): Support -z notext.
1872         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1873         -Wl,-z,notext.
1874         (two_file_shared_nonpic.so): Likewise.
1875         (two_file_shared_mixed.so): Likewise.
1876         (two_file_shared_mixed_1.so): Likewise.
1877         (weak_undef_lib_nonpic.so): Likewise.
1878         (alt/weak_undef_lib_nonpic.so): Likewise.
1879         (tls_test_shared_nonpic.so): Likewise.
1880         * testsuite/Makefile.in: Rebuild.
1881
1882 2011-07-01  Ian Lance Taylor  <iant@google.com>
1883
1884         PR gold/12525
1885         * configure.ac: Test whether static linking works, setting
1886         the automake conditional HAVE_STATIC.
1887         * testsuite/Makefile.am: Disable tests using -static if
1888         HAVE_STATIC is not true.
1889         * configure, testsuite/Makefile.in: Rebuild.
1890
1891 2011-07-01  Ian Lance Taylor  <iant@google.com>
1892
1893         PR gold/12525
1894         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1895         Assert if we see DW_EH_PE_indirect.
1896         * target.h (Target::ehframe_datarel_base): New function.
1897         (Target::do_ehframe_datarel_base): New target function.
1898         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1899         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1900         function.
1901
1902 2011-07-01  Ian Lance Taylor  <iant@google.com>
1903
1904         PR gold/12571
1905         * options.h (class General_options): Add
1906         --ld-generated-unwind-info.
1907         * ehframe.cc (Fde::write): Add address parameter.  Change all
1908         callers.  If associated with PLT, fill in address and size.
1909         (Cie::set_output_offset): Only add merge mapping if there is an
1910         object.
1911         (Cie::write): Add address parameter.  Change all callers.
1912         (Eh_frame::add_ehframe_for_plt): New function.
1913         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1914         input_offset_ fields into union u_, with new plt field.
1915         (Fde::Fde): Adjust for new union field.
1916         (Fde::Fde) [Output_data version]: New constructor.
1917         (Fde::add_mapping): Only add merge mapping if there is an object.
1918         (class Cie): Update declarations.
1919         (class Eh_frame): Declare add_ehframe_for_plt.
1920         * layout.cc (Layout::layout_eh_frame): Break out code into
1921         make_eh_frame_section, and call it.
1922         (Layout::make_eh_frame_section): New function.
1923         (Layout::add_eh_frame_for_plt): New function.
1924         * layout.h (class Layout): Update declarations.
1925         * merge.cc (Merge_map::add_mapping): Add assertion.
1926         * i386.cc: Include "dwarf.h".
1927         (class Output_data_plt_i386): Make first_plt_entry,
1928         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1929         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1930         and plt_eh_frame_fde.
1931         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1932         boundary.  Call add_eh_frame_for_plt if appropriate.
1933         * x86_64.cc: Include "dwarf.h".
1934         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1935         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1936         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1937         and plt_eh_frame_fde.
1938         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1939         appropriate.
1940
1941 2011-06-29  Ian Lance Taylor  <iant@google.com>
1942
1943         PR gold/12629
1944         * object.cc (Sized_relobj_file::layout_section): Change shdr
1945         parameter to be const.
1946         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1947         out of do_layout.
1948         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1949         appropriate.  Call layout_eh_frame_section.
1950         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1951         sections.
1952         * object.h (class Sized_relobj_file): Update declarations.
1953
1954 2011-06-29  Ian Lance Taylor  <iant@google.com>
1955
1956         PR gold/12652
1957         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1958         modifier.
1959         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1960
1961 2011-06-29  Ian Lance Taylor  <iant@google.com>
1962
1963         PR gold/12675
1964         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1965         SHT_X86_64_UNWIND.
1966         * layout.cc (Layout::layout_eh_frame): Likewise.
1967
1968 2011-06-29  Ian Lance Taylor  <iant@google.com>
1969
1970         PR gold/12695
1971         * layout.cc (Layout::symtab_section_shndx): New function.
1972         * layout.h (class Layout): Declare symtab_section_shndx.
1973         * output.cc (Output_section::write_header): Call it.
1974
1975 2011-06-29  Ian Lance Taylor  <iant@google.com>
1976
1977         PR gold/12818
1978         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1979         symbols which are not used in a relocation.
1980
1981 2011-06-28  Ian Lance Taylor  <iant@google.com>
1982
1983         PR gold/12898
1984         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1985         script create indistinguishable segments.
1986         (Layout::set_segment_offsets): Use stable_sort when sorting
1987         segments.  Pass this to Compare_segments constructor.
1988         * layout.h (class Layout): Make segment_precedes non-static.
1989         (class Compare_segments): Change from struct to class.  Add
1990         layout_ field.  Add constructor.
1991         * script-sections.cc
1992         (Script_sections::attach_sections_using_phdrs_clause): Rename
1993         local orphan to is_orphan.  Don't report failure to put empty
1994         section in segment.  On attachment failure, report name of
1995         section, and attach to first PT_LOAD segment.
1996
1997 2011-06-28  Ian Lance Taylor  <iant@google.com>
1998
1999         PR gold/12934
2000         * target-select.cc (Target_selector::Target_selector): Add
2001         emulation parameter.  Change all callers.
2002         (select_target_by_bfd_name): Rename from select_target_by_name.
2003         Change all callers.
2004         (select_target_by_emulation): New function.
2005         (supported_emulation_names): New function.
2006         * target-select.h (class Target_selector): Add emulation_ field.
2007         Update declarations.
2008         (Target_selector::recognize_by_bfd_name): Rename from
2009         recognize_by_name.  Change all callers.
2010         (Target_selector::supported_bfd_names): Rename from
2011         supported_names.  Change all callers.
2012         (Target_selector::recognize_by_emulation): New function.
2013         (Target_selector::supported_emulations): New function.
2014         (Target_selector::emulation): New function.
2015         (Target_selector::do_recognize_by_bfd_name): Rename from
2016         do_recognize_by_name.  Change all callers.
2017         (Target_selector::do_supported_bfd_names): Rename from
2018         do_supported_names.  Change all callers.
2019         (Target_selector::do_recognize_by_emulation): New function.
2020         (Target_selector::do_supported_emulations): New function.
2021         (select_target_by_bfd_name): Change name in declaration.
2022         (select_target_by_emulation): Declare.
2023         (supported_emulation_names): Declare.
2024         * parameters.cc (parameters_force_valid_target): Try to find
2025         target based on emulation from -m option.
2026         * options.h (class General_options): Change doc string for -m.
2027         * options.cc (help): Print emulations.
2028         (General_options::parse_V): Likewise.
2029         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2030         Add emulation parameter.  Change all callers.
2031
2032 2011-06-28  Ian Lance Taylor  <iant@google.com>
2033
2034         * target.h (class Target): Add osabi_ field.
2035         (Target::osabi): New function.
2036         (Target::set_osabi): New function.
2037         (Target::Target): Initialize osabi_.
2038         (Target::do_adjust_elf_header): Make pure virtual.
2039         (Sized_target::do_adjust_elf_header): Declare.
2040         * target.cc (Sized_target::do_adjust_elf_header): New function.
2041         (class Sized_target): Instantiate all versions.
2042         * freebsd.h (class Target_freebsd): Remove.
2043         (Target_selector_freebsd::do_recognize): Call set_osabi on
2044         Target.
2045         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2046         (Target_selector_freebsd::set_osabi): Remove.
2047         * i386.cc (class Target_i386): Inherit from Sized_target rather
2048         than Target_freebsd.
2049         * x86_64.cc (class Target_x86_64): Likewise.
2050
2051 2011-06-28  Ian Lance Taylor  <iant@google.com>
2052
2053         * target.h (Target::can_check_for_function_pointers): Rewrite.
2054         Make non-virtual.
2055         (Target::can_icf_inline_merge_sections): Likewise.
2056         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2057         (Target::Target_info): Add can_icf_inline_merge_sections field.
2058         (Target::do_can_check_for_function_pointers): New virtual
2059         function.
2060         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2061         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2062         from can_check_for_function_pointers, move in file.
2063         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2064         section_may_have_icf_unsafe_poineters, move in file.
2065         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2066         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2067         Rename from can_check_for_function_pointers, move in file.
2068         (Target_i386::can_icf_inline_merge_sections): Remove.
2069         (Target_i386::i386_info): Initialize
2070         can_icf_inline_merge_sections.
2071         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2072         Initialize can_icf_inline_merge_sections.
2073         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2074         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2075         Rename from can_check_for_function_pointers, move in file.
2076         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2077         (Target_x86_64::x86_64_info): Initialize
2078         can_icf_inline_merge_sections.
2079         * testsuite/testfile.cc (Target_test::test_target_info):
2080         Likewise.
2081         * icf.cc (get_section_contents): Correct formatting.
2082
2083 2011-06-27  Ian Lance Taylor  <iant@google.com>
2084
2085         * symtab.cc (Symbol::versioned_name): New function.
2086         (Symbol_table::add_to_final_symtab): Use versioned_name when
2087         appropriate.
2088         (Symbol_table::sized_write_symbol): Likewise.
2089         * symtab.h (class Symbol): Declare versioned_name.
2090         * stringpool.h (class Stringpool_template): Add variant of add
2091         which takes a std::basic_string.
2092         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2093         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2094         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2095         (ver_test_12.o): New target.
2096         * testsuite/Makefile.in: Rebuild.
2097
2098 2011-06-27  Doug Kwan  <dougkwan@google.com>
2099
2100         * arm.cc (Arm_relocate_functions::thm_jump8,
2101         Arm_relocate_functions::thm_jump11): Use a wider signed
2102         type to compute offset.
2103         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2104         arm_thm_jump8.
2105         * testsuite/Makefile.in: Regenerate.
2106         * testsuite/arm_branch_in_range.sh: Check test results of
2107         arm_thm_jump11 and arm_thm_jump8.
2108         * testsuite/arm_thm_jump11.s: New test source file.
2109         * testsuite/arm_thm_jump11.t: New linker script.
2110         * testsuite/arm_thm_jump8.s: New test source file.
2111         * testsuite/arm_thm_jump8.t: New linker script.
2112
2113 2011-06-24  Ian Lance Taylor  <iant@google.com>
2114
2115         * layout.cc: Include "object.h".
2116         (ctors_sections_in_init_array): New static variable.
2117         (Layout::is_ctors_in_init_array): New function.
2118         (Layout::layout): Add entry to ctors_sections_in_init_array if
2119         appropriate.
2120         * layout.h (class Layout): Declare is_ctors_in_init_array.
2121         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2122         is_ctors_reverse_view is set.
2123         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2124         all callers.  Set is_ctors_reverse_view field of View_size.
2125         (Sized_relobj_file::reverse_words): New function.
2126         * object.h (Sized_relobj_file::View_size): Add
2127         is_ctors_reverse_view field.
2128         (class Sized_relobj_file): Update declarations.
2129         * testsuite/initpri3.c: New test.
2130         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2131         initpri3b.
2132         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2133         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2134         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2135         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2136         * testsuite/Makefile.in: Rebuild.
2137
2138 2011-06-24  Cary Coutant  <ccoutant@google.com>
2139
2140         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2141         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2142         (debug_msg_cdebug.err): New targets.
2143         * testsuite/Makefile.in: Regenerate.
2144         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2145         Fix checks for link with shared library.
2146
2147 2011-06-24  Doug Kwan  <dougkwan@google.com>
2148
2149         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2150         skip empty text sections.
2151         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2152
2153 2011-06-22  Ian Lance Taylor  <iant@google.com>
2154
2155         PR gold/12910
2156         * options.h (class General_options): Add --ctors-in-init-array.
2157         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2158         friends as SHT_PROGBITS for merging sections.
2159         (Layout::layout): Remove special handling of .init_array and
2160         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2161         and .dtors if ctors_in_init_array.
2162         (Layout::make_output_section): Force correct section types for
2163         .init_array and friends.  Don't sort if doing relocatable link,
2164         Don't sort .ctors and .dtors if ctors_in_init_array.
2165         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2166         (Layout::output_section_name): Add relobj parameter.  Change all
2167         callers.  Handle .ctors. and .dtors. in code rather than table.
2168         Handle .ctors and .dtors if ctors_in_init_array.
2169         (Layout::match_file_name): New function, moved from output.cc.
2170         * layout.h (class Layout): Update declarations.
2171         * output.cc: Include "layout.h".
2172         (Input_section_sort_entry::get_priority): New function.
2173         (Input_section_sort_entry::match_file_name): Just call
2174         Layout::match_file_name.
2175         (Output_section::Input_section_sort_init_fini_compare::operator()):
2176         Handle .ctors and .dtors.  Sort by explicit priority rather than
2177         by name.
2178         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2179         * testsuite/initpri2.c: New test.
2180         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2181         (check_PROGRAMS): Add initpri2.
2182         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2183         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2184         * configure, testsuite/Makefile.in: Rebuild.
2185
2186 2011-06-19  Ian Lance Taylor  <iant@google.com>
2187
2188         PR gold/12880
2189         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2190         .interp section to a PT_INTERP segment even if we have seen a
2191         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2192         clause in a linker script.
2193         (Layout::finalize): Don't create a .interp section if we've
2194         already create a PT_INTERP segment.
2195         (Layout::create_interp): Always call choose_output_section (revert
2196         patch of 2011-06-17).  Don't create PT_INTERP segment.
2197         * script-sections.cc
2198         (Script_sections::create_note_and_tls_segments): Add a .interp
2199         section to a PT_INTERP segment even if we have seen a
2200         --dynamic-linker option.
2201
2202 2011-06-18  Ian Lance Taylor  <iant@google.com>
2203
2204         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2205         merely because a non-PT_LOAD segment has a dynamic reloc.
2206
2207 2011-06-18  Ian Lance Taylor  <iant@google.com>
2208
2209         * layout.cc (Layout::finish_dynamic_section): Don't create
2210         DT_FLAGS entry if not needed.
2211
2212 2011-06-18  Ian Lance Taylor  <iant@google.com>
2213
2214         PR gold/12745
2215         * layout.cc (Layout::layout_eh_frame): Correct handling of
2216         writable .eh_frame section.
2217
2218 2011-06-17  Ian Lance Taylor  <iant@google.com>
2219
2220         PR gold/12893
2221         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2222         symbol is redefined with the exact same object and value.
2223
2224 2011-06-17  Ian Lance Taylor  <iant@google.com>
2225
2226         PR gold/12880
2227         * layout.h (class Layout): Add interp_segment_ field.
2228         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2229         (Layout::attach_allocated_section_to_segment): If making shared
2230         library, put .interp section in PT_INTERP segment.
2231         (Layout::finalize): Also call create_interp if -dynamic-linker
2232         option was used.
2233         (Layout::create_interp): Assert that there is no PT_INTERP
2234         segment.  If not using a SECTIONS clause, use make_output_section.
2235         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2236         * script-sections.cc
2237         (Script_sections::create_note_and_tls_segments): If making shared
2238         library, put .interp section in PT_INTERP segment.
2239
2240 2011-06-17  Ian Lance Taylor  <iant@google.com>
2241
2242         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2243         when making a shared library.
2244
2245 2011-06-17  Ian Lance Taylor  <iant@google.com>
2246
2247         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2248         parameter.  Change all callers.  Don't issue warning about PC32
2249         against locally defined symbol.
2250
2251 2011-06-16  Ian Lance Taylor  <iant@google.com>
2252
2253         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2254         occurs in same object.
2255
2256 2011-06-14  Alan Modra  <amodra@gmail.com>
2257
2258         * po/POTFILES.in: Regenerate.
2259
2260 2011-06-09  Ian Lance Taylor  <iant@google.com>
2261
2262         * script-sections.cc
2263         (Orphan_output_section::set_section_addresses): For a relocatable
2264         link set address to 0.
2265
2266 2011-06-09  Cary Coutant  <ccoutant@google.com>
2267
2268         PR gold/12804
2269         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2270         used with --compress-debug-sections.
2271         * gold/object.cc (Sized_relobj_file::do_layout): Report
2272         uncompressed size of compressed input sections.
2273
2274 2011-06-08  Cary Coutant  <ccoutant@google.com>
2275
2276         PR gold/12804
2277         * testsuite/two_file_test_2_v1.cc: Change initialization of
2278         v2 to keep it in .data.
2279
2280 2011-06-07  Cary Coutant  <ccoutant@google.com>
2281
2282         * common.cc (Symbol_table::do_allocate_commons_list): Call
2283         gold_fallback.
2284         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2285         (Errors::fallback): New function.
2286         (gold_fallback): New function.
2287         * errors.h (Errors::fallback): New function.
2288         * gold.cc (gold_exit): Change status parameter to enum; adjust
2289         all callers.
2290         (queue_initial_tasks): Call gold_fallback.
2291         * gold.h: Include cstdlib.
2292         (Exit_status): New enum type.
2293         (gold_exit): Change status parameter to enum.
2294         (gold_fallback): New function.
2295         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2296         (Layout::create_symtab_sections): Likewise.
2297         (Layout::create_shdrs): Likewise.
2298         * main.cc (main): Adjust call to gold_exit.
2299         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2300         (Output_data_got::add_got_entry_pair): Likewise.
2301         (Output_section::add_input_section): Likewise.
2302         (Output_section::add_output_section_data): Likewise.
2303         (Output_segment::set_section_list_addresses): Likewise.
2304         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2305
2306 2011-06-07  Cary Coutant  <ccoutant@google.com>
2307
2308         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2309         for incremental links.
2310         * output.cc (Output_segment::set_section_list_addresses): Remove
2311         FIXME and test for TLS or BSS.
2312
2313 2011-06-07  Cary Coutant  <ccoutant@google.com>
2314
2315         * testsuite/Makefile.am: Add incremental_copy_test,
2316         incremental_common_test_1.
2317         * testsuite/Makefile.in: Regenerate.
2318         * testsuite/common_test_1_v1.c: New source file.
2319         * testsuite/common_test_1_v2.c: New source file.
2320         * testsuite/copy_test_v1.cc: New source file.
2321
2322 2011-06-07  Cary Coutant  <ccoutant@google.com>
2323
2324         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2325         update, allocate common from bss section's free list.
2326         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2327         linker-defined symbols.
2328         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2329         Skip GOT and PLT entries that are no longer referenced.
2330         (Output_section_incremental_inputs::write_info_blocks): Mark
2331         linker-defined symbols.
2332         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2333         * output.cc (Output_section::allocate): New function.
2334         * output.h (Output_section::allocate): New function.
2335         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2336         linker-defined symbols.
2337         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2338         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2339         (Symbol::init_base_output_data): Likewise.
2340         (Symbol::init_base_output_segment): Likewise.
2341         (Symbol::init_base_constant): Likewise.
2342         (Sized_symbol::init_output_data): Likewise.
2343         (Sized_symbol::init_output_segment): Likewise.
2344         (Sized_symbol::init_constant): Likewise.
2345         (Symbol_table::do_define_in_output_data): Likewise.
2346         (Symbol_table::do_define_in_output_segment): Likewise.
2347         (Symbol_table::do_define_as_constant): Likewise.
2348         * symtab.h (Symbol::is_predefined): New function.
2349         (Symbol::init_base_output_data): Add is_predefined parameter.
2350         (Symbol::init_base_output_segment): Likewise.
2351         (Symbol::init_base_constant): Likewise.
2352         (Symbol::is_predefined_): New data member.
2353         (Sized_symbol::init_output_data): Add is_predefined parameter.
2354         (Sized_symbol::init_output_segment): Likewise.
2355         (Sized_symbol::init_constant): Likewise.
2356         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2357
2358 2011-06-07  Cary Coutant  <ccoutant@google.com>
2359
2360         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2361         instead of emit_copy_reloc.
2362         (Copy_relocs::emit_copy_reloc): Refactor.
2363         (Copy_relocs::make_copy_reloc): New function.
2364         (Copy_relocs::add_copy_reloc): Remove.
2365         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2366         section.
2367         (Copy_relocs::make_copy_reloc): New function.
2368         (Copy_relocs::add_copy_reloc): Remove.
2369         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2370         unchanged input files.
2371         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2372         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2373         Reserve BSS space for COPY relocations.
2374         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2375         (Output_section_incremental_inputs::write_info_blocks): Record
2376         whether a symbol is copied from a shared object.
2377         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2378         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2379         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2380         (Incremental_input_entry_reader::get_output_symbol_index): Add
2381         is_copy parameter.
2382         (Incremental_binary::emit_copy_relocs): New function.
2383         (Incremental_binary::do_emit_copy_relocs): New function.
2384         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2385         new data member.
2386         (Sized_incremental_binary::add_copy_reloc): New function.
2387         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2388         (Sized_incremental_binary::Copy_reloc): New struct.
2389         (Sized_incremental_binary::Copy_relocs): New typedef.
2390         (Sized_incremental_binary::copy_relocs_): New data member.
2391         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2392         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2393         * target.h (Sized_target::emit_copy_reloc): New function.
2394         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2395
2396 2011-06-02  Cary Coutant  <ccoutant@google.com>
2397
2398         PR gold/12163
2399         * gold/archive.cc (Archive::Archive): Initialize new data member.
2400         (Archive::include_all_members): Return if archive has already been
2401         included.
2402         * gold/archive.h (Archive::include_all_members_): New data member.
2403
2404 2011-06-02  Nick Clifton  <nickc@redhat.com>
2405
2406         * dynobj.h: Fix spelling mistake in comment.
2407         * output.cc: Likewise.
2408
2409 2011-05-31  Doug Kwan  <dougkwan@google.com>
2410             Asier Llano
2411
2412         PR gold/12826
2413         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2414         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2415         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2416         redundant arm_exidx_test.so.
2417         * testsuite/Makefile.in: Regenerate.
2418         (check_SCRIPTS): Add pr12826.sh
2419         (check_DATA): Add pr12826.stdout
2420         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2421         * testsuite/pr12826.sh: New file.
2422         * testsuite/pr12826_1.s: Ditto.
2423         * testsuite/pr12826_1.s: Ditto.
2424
2425 2011-05-30  Ian Lance Taylor  <iant@google.com>
2426
2427         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2428         sections.
2429
2430 2011-05-29  Ian Lance Taylor  <iant@google.com>
2431
2432         PR gold/12804
2433         * testsuite/Makefile.am: Use different file name for two_file_test
2434         temporary file for each incremental test.
2435         * testsuite/Makefile.in: Rebuild.
2436
2437 2011-05-29  Ian Lance Taylor  <iant@google.com>
2438
2439         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2440         binary input file is empty.
2441
2442 2011-05-27  Ian Lance Taylor  <iant@google.com>
2443
2444         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2445         (ver_test_9.so): Likewise.
2446         * testsuite/Makefile.in: Rebuild.
2447
2448 2011-05-26 Cary Coutant  <ccoutant@google.com>
2449
2450         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2451         * incremental.cc (Incremental_inputs::report_input_section): Fix
2452         comment, indentation.
2453         (Incremental_inputs::report_comdat_group): New function.
2454         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2455         of data for incremental input file entry.
2456         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2457         group count, COMDAT group signatures.
2458         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2459         an unchanged input file.
2460         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2461         Initialize new data member.
2462         (Incremental_object_entry::add_comdat_group): New function.
2463         (Incremental_object_entry::get_comdat_group_count): New function.
2464         (Incremental_object_entry::get_comdat_signature_key): New function.
2465         (Incremental_object_entry::groups_): New data member.
2466         (Incremental_inputs::report_comdat_group): New function.
2467         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2468         data for incremental input file entry.
2469         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2470         (Incremental_input_entry_reader::get_input_section): Adjust size of
2471         data for incremental input file entry.
2472         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2473         (Incremental_input_entry_reader::get_comdat_group_signature): New
2474         function.
2475         * object.cc (Sized_relobj::include_section_group): Report kept
2476         COMDAT groups for incremental links.
2477
2478 2011-05-24  David Meyer  <pdox@google.com>
2479
2480         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2481         with name parameter.  Add found_name parameter.
2482         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2483         * dirsearch.h (class Dirsearch): Update declaration.
2484
2485 2011-05-24  Ian Lance Taylor  <iant@google.com>
2486
2487         * archive.cc (Library_base::should_include_member): Pull in object
2488         from archive if it defines the entry symbol.
2489         * parameters.cc (Parameters::entry): New function.
2490         * parameters.h (class Parameters): Declare entry.
2491         * output.h (class Output_file_header): Remove entry_ field.
2492         * output.cc (Output_file_header::Output_file_header): Remove entry
2493         parameter.  Change all callers.
2494         (Output_file_header::entry): Use parameters->entry.
2495         * gold.cc (queue_middle_tasks): Likewise.
2496         * plugin.cc (Plugin_hook::run): Likewise.
2497
2498 2011-05-24 Cary Coutant  <ccoutant@google.com>
2499
2500         * gold.cc (queue_initial_tasks): Pass incremental base filename
2501         to Output_file::open_base_file; don't print error message.
2502         * incremental-dump.cc (main): Adjust call to
2503         Output_file::open_for_modification.
2504         * incremental-dump.cc (main): Likewise.
2505         * incremental.cc (Incremental_inputs::report_command_line):
2506         Ignore --incremental-base option when comparing command lines.
2507         Ignore parameter when given as separate argument.
2508         * options.h (class General_options): Add --incremental-base.
2509         * output.cc (Output_file::Output_file):
2510         (Output_file::open_base_file): Add base_name and writable parameters;
2511         read base file into new file; print error message here.
2512         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2513         callers.
2514         * output.h (Output_file::open_for_modification): Rename to...
2515         (Output_file::open_base_file): ...this; add base_name and
2516         writable parameters; adjust all callers.
2517         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2518         callers.
2519         * testsuite/Makefile.am (incremental_test_4): Test
2520         --incremental-base.
2521         * testsuite/Makefile.in: Regenerate.
2522
2523 2011-05-24 Cary Coutant  <ccoutant@google.com>
2524
2525         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2526         incremental_test_4.
2527         * testsuite/Makefile.in: Regenerate.
2528         * testsuite/two_file_test_1_v1.cc: New test source file.
2529         * testsuite/two_file_test_1b_v1.cc: New test source file.
2530         * testsuite/two_file_test_2_v1.cc: New test source file.
2531
2532 2011-05-24 Cary Coutant  <ccoutant@google.com>
2533
2534         * dynobj.h (Dynobj::do_dynobj): New function.
2535         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2536         flag and soname for shared objects.
2537         * incremental.cc (Incremental_inputs::report_object): Make
2538         either Incremental_object_entry or Incremental_dynobj_entry; add
2539         soname to string table.
2540         (Incremental_inputs::report_input_section): Add assertion.
2541         (Output_section_incremental_inputs::set_final_data_size): Adjust
2542         type of input file entry for shared libraries; adjust size of
2543         shared library info entry.
2544         (Output_section_incremental_inputs::write_input_files): Write
2545         as_needed flag for shared libraries.
2546         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2547         of input file entry for shared libraries; write soname.
2548         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2549         soname from incremental info.
2550         * incremental.h (enum Incremental_input_flags): Add
2551         INCREMENTAL_INPUT_AS_NEEDED.
2552         (Incremental_input_entry::Incremental_input_entry): Initialize new
2553         data member.
2554         (Incremental_input_entry::set_as_needed): New function.
2555         (Incremental_input_entry::as_needed): New function.
2556         (Incremental_input_entry::do_dynobj_entry): New function.
2557         (Incremental_input_entry::as_needed_): New data member.
2558         (Incremental_object_entry::Incremental_object_entry): Don't check
2559         for shared library.
2560         (Incremental_object_entry::do_type): Likewise.
2561         (class Incremental_dynobj_entry): New class.
2562         (Incremental_input_entry_reader::as_needed): New function.
2563         (Incremental_input_entry_reader::get_soname): New function.
2564         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2565         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2566         size of shared library info entry.
2567         * layout.cc (Layout::finish_dynamic_section): Don't test for
2568         incremental link when adding DT_NEEDED entries.
2569         * object.h (Object::Object): Initialize new data member.
2570         (Object::dynobj): New function.
2571         (Object::set_as_needed): New function.
2572         (Object::as_needed): New function.
2573         (Object::do_dynobj): New function.
2574         (Object::as_needed_): New data member.
2575
2576 2011-05-24 Cary Coutant  <ccoutant@google.com>
2577
2578         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2579         info; adjust display of GOT entries.
2580         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2581         vector of input objects; remove file_status_.
2582         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2583         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2584         got_plt reader; call target hooks to reserve GOT entries.
2585         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2586         of input file info header and GOT info entry.
2587         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2588         relocation info.
2589         (Got_plt_view_info::got_descriptor): Remove.
2590         (Got_plt_view_info::sym_index): New data member.
2591         (Got_plt_view_info::input_index): New data member.
2592         (Local_got_offset_visitor::visit): Write input file index.
2593         (Global_got_offset_visitor::visit): Write 0 for input file index.
2594         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2595         with sym_index and input_index.
2596         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2597         incremental info GOT entry; replace got_descriptor with input_index.
2598         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2599         map from input file index to object.
2600         (Sized_relobj_incr::do_layout): Replace direct data member reference
2601         with accessor function.
2602         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2603         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2604         Adjust size of input file info header.
2605         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2606         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2607         (Incremental_input_entry_reader::get_input_section): Adjust size of
2608         input file info header.
2609         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2610         of incremental info GOT entry.
2611         (Incremental_got_plt_reader::get_got_desc): Remove.
2612         (Incremental_got_plt_reader::get_got_symndx): New function.
2613         (Incremental_got_plt_reader::get_got_input_index): New function.
2614         (Sized_incremental_binary::Sized_incremental_binary): Remove
2615         file_status_; add input_objects_.
2616         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2617         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2618         (Sized_incremental_binary::file_is_unchanged): Remove.
2619         (Sized_incremental_binary::set_input_object): New function.
2620         (Sized_incremental_binary::input_object): New function.
2621         (Sized_incremental_binary::file_status_): Remove.
2622         (Sized_incremental_binary::input_objects_): New data member.
2623         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2624         references.
2625         (Sized_relobj_incr::invalid_address): Move to base class.
2626         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2627         class.
2628         (Sized_relobj_incr::do_output_section_offset): Likewise.
2629         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2630         (Sized_relobj_incr::section_offsets_): Likewise.
2631         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2632         function.
2633         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2634         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2635         with accessor function.
2636         (Sized_relobj_file::do_layout): Likewise.
2637         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2638         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2639         (Sized_relobj_file::compute_final_local_value): Replace refs to
2640         section_offsets_ with accessor function.
2641         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2642         * object.h (Relobj::Relobj): Initialize new data members.
2643         (Relobj::add_dyn_reloc): New function.
2644         (Relobj::first_dyn_reloc): New function.
2645         (Relobj::dyn_reloc_count): New function.
2646         (Relobj::first_dyn_reloc_): New data member.
2647         (Relobj::dyn_reloc_count_): New data member.
2648         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2649         references.
2650         (Sized_relobj::Address): New typedef.
2651         (Sized_relobj::invalid_address): Move here from child class.
2652         (Sized_relobj::Sized_relobj): Initialize new data members.
2653         (Sized_relobj::sized_relobj): New function.
2654         (Sized_relobj::is_output_section_offset_invalid): Move here from
2655         child class.
2656         (Sized_relobj::get_output_section_offset): Likewise.
2657         (Sized_relobj::local_has_got_offset): Likewise.
2658         (Sized_relobj::local_got_offset): Likewise.
2659         (Sized_relobj::set_local_got_offset): Likewise.
2660         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2661         (Sized_relobj::clear_got_offsets): New function.
2662         (Sized_relobj::section_offsets): Move here from child class.
2663         (Sized_relobj::do_output_section_offset): Likewise.
2664         (Sized_relobj::do_set_section_offset): Likewise.
2665         (Sized_relobj::Local_got_offsets): Likewise.
2666         (Sized_relobj::local_got_offsets_): Likewise.
2667         (Sized_relobj::section_offsets_): Likewise.
2668         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2669         references.
2670         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2671         class.
2672         (Sized_relobj_file::sized_relobj): New function
2673         (Sized_relobj_file::local_has_got_offset): Move to base class.
2674         (Sized_relobj_file::local_got_offset): Likewise.
2675         (Sized_relobj_file::set_local_got_offset): Likewise.
2676         (Sized_relobj_file::get_output_section_offset): Likewise.
2677         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2678         (Sized_relobj_file::do_output_section_offset): Likewise.
2679         (Sized_relobj_file::do_set_section_offset): Likewise.
2680         (Sized_relobj_file::Local_got_offsets): Likewise.
2681         (Sized_relobj_file::local_got_offsets_): Likewise.
2682         (Sized_relobj_file::section_offsets_): Likewise.
2683         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2684         (all constructors).
2685         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2686         (Output_reloc::get_symbol_index): Likewise.
2687         (Output_reloc::local_section_offset): Likewise.
2688         (Output_reloc::get_address): Likewise.
2689         (Output_reloc::symbol_value): Likewise.
2690         (Output_data_got::reserve_slot): Move to class definition.
2691         (Output_data_got::reserve_local): New function.
2692         (Output_data_got::reserve_slot_for_global): Remove.
2693         (Output_data_got::reserve_global): New function.
2694         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2695         (all constructors, two instantiations).
2696         (Output_reloc::get_relobj): New function (two instantiations).
2697         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2698         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2699         (Output_data_reloc::add_global): Adjust type of relobj.
2700         (Output_data_reloc::add_global_relative): Likewise.
2701         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2702         (Output_data_reloc::add_local): Likewise.
2703         (Output_data_reloc::add_local_relative): Likewise.
2704         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2705         (Output_data_reloc::add_local_section): Likewise.
2706         (Output_data_reloc::add_output_section): Likewise.
2707         (Output_data_reloc::add_absolute): Likewise.
2708         (Output_data_reloc::add_target_specific): Likewise.
2709         (Output_data_got::reserve_slot): Move definition here.
2710         (Output_data_got::reserve_local): New function.
2711         (Output_data_got::reserve_global): New function.
2712         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2713         section_offsets_ with accessor function.
2714         (Sized_relobj_file::write_sections): Likewise.
2715         (Sized_relobj_file::do_relocate_sections): Likewise.
2716         * target.h (Sized_target::reserve_local_got_entry): New function.
2717         (Sized_target::reserve_global_got_entry): New function.
2718         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2719         (Target_x86_64::reserve_global_got_entry): New function.
2720         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2721
2722 2011-05-23 Cary Coutant  <ccoutant@google.com>
2723
2724         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2725         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2726         bit when checking got_type.
2727         * incremental.cc (Sized_incremental_binary::setup_readers):
2728         Store symbol table and string table locations; initialize bit vector
2729         of file status flags.
2730         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2731         unchanged files.
2732         (Sized_incremental_binary::do_process_got_plt): New function.
2733         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2734         (Output_section_incremental_inputs::set_final_data_size): Record
2735         file index for each input file.
2736         (Output_section_incremental_inputs::write_got_plt): Store file index
2737         instead of input entry offset for each GOT entry.
2738         * incremental.h
2739         (Incremental_input_entry::Incremental_input_entry): Initialize new
2740         data member.
2741         (Incremental_input_entry::set_offset): Store file index.
2742         (Incremental_input_entry::get_file_index): New function.
2743         (Incremental_input_entry::file_index_): New data member.
2744         (Incremental_binary::process_got_plt): New function.
2745         (Incremental_binary::do_process_got_plt): New function.
2746         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2747         data members.
2748         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2749         (Sized_incremental_binary::set_file_is_unchanged): New function.
2750         (Sized_incremental_binary::file_is_unchanged): New function.
2751         (Sized_incremental_binary::do_process_got_plt): New function.
2752         (Sized_incremental_binary::file_status_): New data member.
2753         (Sized_incremental_binary::main_symtab_loc_): New data member.
2754         (Sized_incremental_binary::main_strtab_loc_): New data member.
2755         * output.cc (Output_data_got::Got_entry::write): Add case
2756         RESERVED_CODE.
2757         (Output_data_got::add_global): Call add_got_entry.
2758         (Output_data_got::add_global_plt): Likewise.
2759         (Output_data_got::add_global_with_rel): Likewise.
2760         (Output_data_got::add_global_with_rela): Likewise.
2761         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2762         (Output_data_got::add_global_pair_with_rela): Likewise.
2763         (Output_data_got::add_local): Call add_got_entry.
2764         (Output_data_got::add_local_plt): Likewise.
2765         (Output_data_got::add_local_with_rel): Likewise.
2766         (Output_data_got::add_local_with_rela): Likewise.
2767         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2768         (Output_data_got::add_local_pair_with_rela): Likewise.
2769         (Output_data_got::reserve_slot): New function.
2770         (Output_data_got::reserve_slot_for_global): New function.
2771         (Output_data_got::add_got_entry): New function.
2772         (Output_data_got::add_got_entry_pair): New function.
2773         (Output_section::add_output_section_data): Edit FIXME.
2774         * output.h
2775         (Output_section_data_build::Output_section_data_build): New
2776         constructor with size parameter.
2777         (Output_data_space::Output_data_space): Likewise.
2778         (Output_data_got::Output_data_got): Initialize new data member; new
2779         constructor with size parameter.
2780         (Output_data_got::add_constant): Call add_got_entry.
2781         (Output_data_got::reserve_slot): New function.
2782         (Output_data_got::reserve_slot_for_global): New function.
2783         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2784         (Output_data_got::add_got_entry): New function.
2785         (Output_data_got::add_got_entry_pair): New function.
2786         (Output_data_got::free_list_): New data member.
2787         * target.h (Sized_target::init_got_plt_for_update): New function.
2788         (Sized_target::register_global_plt_entry): New function.
2789         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2790         Initialize new data member; call init; add constructor with PLT count.
2791         (Output_data_plt_x86_64::init): New function.
2792         (Output_data_plt_x86_64::add_relocation): New function.
2793         (Output_data_plt_x86_64::reserve_slot): New function.
2794         (Output_data_plt_x86_64::free_list_): New data member.
2795         (Target_x86_64::init_got_plt_for_update): New function.
2796         (Target_x86_64::register_global_plt_entry): New function.
2797         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2798         incremental updates.
2799         (Output_data_plt_x86_64::add_relocation): New function.
2800         * testsuite/object_unittest.cc (Object_test): Set default options.
2801
2802 2011-05-16  Ian Lance Taylor  <iant@google.com>
2803
2804         * options.h (class General_options): Make -i a synonym for -r.
2805
2806 2011-05-16  Ian Lance Taylor  <iant@google.com>
2807
2808         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2809
2810 2011-05-10 Cary Coutant  <ccoutant@google.com>
2811
2812         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2813         strip_all (-s).
2814
2815 2011-05-06  Ian Lance Taylor  <iant@google.com>
2816
2817         * layout.cc (Layout::layout): If the output section flags change,
2818         update the ordering.
2819
2820 2011-04-25 Cary Coutant  <ccoutant@google.com>
2821
2822         * incremental-dump.cc (dump_incremental_inputs): Print local
2823         symbol info for each input file.
2824         * incremental.cc
2825         (Output_section_incremental_inputs::set_final_data_size): Add local
2826         symbol info to input file entries in incremental info.
2827         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2828         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2829         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2830         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2831         implementation.
2832         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2833         (Sized_incr_relobj::do_relocate): Write the local symbols.
2834         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2835         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2836         Adjust size of input file header.
2837         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2838         (Incremental_inputs_reader::get_local_symbol_count): New function.
2839         (Incremental_inputs_reader::get_input_section): Adjust size of input
2840         file header.
2841         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2842         (Sized_incr_relobj::This): New typedef.
2843         (Sized_incr_relobj::sym_size): New const data member.
2844         (Sized_incr_relobj::Local_symbol): New struct.
2845         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2846         (Sized_incr_relobj::do_local_symbol_offset): New function.
2847         (Sized_incr_relobj::local_symbol_count_): New data member.
2848         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2849         (Sized_incr_relobj::local_symbol_index_): New data member.
2850         (Sized_incr_relobj::local_symbol_offset_): New data member.
2851         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2852         (Sized_incr_relobj::local_symbols_): New data member.
2853         * object.h (Relobj::output_local_symbol_count): New function.
2854         (Relobj::local_symbol_offset): New function.
2855         (Relobj::do_output_local_symbol_count): New function.
2856         (Relobj::do_local_symbol_offset): New function.
2857         (Sized_relobj::do_output_local_symbol_count): New function.
2858         (Sized_relobj::do_local_symbol_offset): New function.
2859
2860 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2861
2862         * descriptors.cc (set_close_on_exec): New function.
2863         (Descriptors::open): Use set_close_on_exec.
2864         * output.cc (S_ISLNK): Define if not defined.
2865
2866 2011-04-22 Cary Coutant  <ccoutant@google.com>
2867
2868         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2869         global symbol map.
2870         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2871         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2872         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2873         relocations.
2874         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2875         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2876         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2877         * incremental.h
2878         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2879         function.
2880         (Incremental_binary::apply_incremental_relocs): New function.
2881         (Incremental_binary::do_apply_incremental_relocs): New function.
2882         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2883         data member.
2884         (Sized_incremental_binary::add_global_symbol): New function.
2885         (Sized_incremental_binary::global_symbol): New function.
2886         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2887         (Sized_incremental_binary::symbol_map_): New data member.
2888         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2889         * target.h (Sized_target::apply_relocation): New function.
2890         * target-reloc.h (apply_relocation): New function.
2891         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2892
2893 2011-04-22  Doug Kwan  <dougkwan@google.com>
2894
2895         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2896         flag of a SHT_ARM_EXIDX section.
2897         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2898         * testsuite/Makefile.in: Regenerate.
2899         * testsuite/arm_exidx_test.s: New file.
2900         * testsuite/arm_exidx_test.sh: Same.
2901
2902 2011-04-20 Cary Coutant  <ccoutant@google.com>
2903
2904         PR gold/12689
2905         * archive.h (Incremental_archive_entry::Archive_member):
2906         Initialize arg_serial_ (second constructor).
2907
2908 2011-04-17  Ian Lance Taylor  <iant@google.com>
2909
2910         * object.cc (Relocate_info::location): Simplify location string.
2911         * errors.cc (Errors::error_at_location): Don't print program
2912         name.
2913         (Errors::warning_at_location): Likewise.
2914         (Errors::undefined_symbol): Likewise.
2915         * testsuite/debug_msg.sh: Update accordingly.
2916
2917 2011-04-14 Cary Coutant  <ccoutant@google.com>
2918
2919         * gold/layout.cc (Layout::symtab_section_offset): New function.
2920         * gold/layout.h (Layout::symtab_section_offset): New function.
2921         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2922
2923 2011-04-12  Ian Lance Taylor  <iant@google.com>
2924
2925         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2926         with MREMAP_MAYMOVE.
2927         * output.h (class Output_file): Add map_is_allocated_ field.
2928         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2929         not available, provide stubs.  If mremap is not available, #define
2930         it to gold_mremap.
2931         (MREMAP_MAYMOVE): Define if not defined.
2932         (Output_file::Output_file): Initialize map_is_allocated_.
2933         (Output_file::resize): Check map_is_allocated_.
2934         (Output_file::map_anonymous): If mmap fails, use malloc.
2935         (Output_file::unmap): Don't do anything for an anonymous map.
2936         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2937         is not available, provide stubs.
2938         (File_read::View::~View): Use free rather than delete[].
2939         (File_read::make_view): Use malloc rather than new[].  If mmap
2940         fails, use malloc.
2941         (File_read::find_or_make_view): Use malloc rather than new[].
2942         * gold.h: Remove HAVE_REMAP code.
2943         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2944         exists.  Rename mremap to gold_mremap.  If mmap is not available
2945         don't do anything.
2946         * configure, config.in: Rebuild.
2947
2948 2011-04-11  Ian Lance Taylor  <iant@google.com>
2949
2950         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2951         initialize local variable v.
2952
2953 2011-04-11  Cary Coutant  <ccoutant@google.com>
2954
2955         * archive.cc (Archive::include_member): Adjust call to
2956         report_object.
2957         (Add_archive_symbols::run): Track argument serial numbers.
2958         (Lib_group::include_member): Likewise.
2959         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2960         * archive.h (Incremental_archive_entry::Archive_member):
2961         Initialize arg_serial_.
2962         (Archive_member::arg_serial_): New data member.
2963         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2964         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2965         incremental link.
2966         (Sized_dynobj::do_for_all_local_got_entries): New function.
2967         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2968         function.
2969         * fileread.cc (get_mtime): New function.
2970         * fileread.h (get_mtime): New function.
2971         * gold.cc (queue_initial_tasks): Check for incremental update.
2972         (process_incremental_input): New function.
2973         (queue_middle_tasks): Don't force valid target for incremental
2974         update.
2975         * incremental-dump.cc (find_input_containing_global): Adjust
2976         size of symbol info entry.
2977         (dump_incremental_inputs): Dump argument serial number and
2978         in_system_directory flag; bias shndx by 1; print symbol names
2979         when dumping per-file symbol lists; use new symbol info readers.
2980         * incremental.cc
2981         (Output_section_incremental_inputs:update_data_size): New function.
2982         (Sized_incremental_binary::setup_readers): Setup input readers
2983         for each input file; build maps for files added from libraries
2984         and scripts.
2985         (Sized_incremental_binary::check_input_args): New function.
2986         (Sized_incremental_binary::do_check_inputs): Build map of argument
2987         serial numbers to input arguments.
2988         (Sized_incremental_binary::do_file_has_changed): Rename
2989         do_file_is_unchanged to this; compare file modification times.
2990         (Sized_incremental_binary::do_init_layout): New function.
2991         (Sized_incremental_binary::do_reserve_layout): New function.
2992         (Sized_incremental_binary::do_get_input_reader): Remove.
2993         (Sized_incremental_binary::get_symtab_view): New function.
2994         (Incremental_checker::can_incrementally_link_output_file): Remove.
2995         (Incremental_inputs::report_command_line): Exclude --debug options.
2996         (Incremental_inputs::report_archive_begin): Add parameter; track
2997         argument serial numbers; don't put input file entry for archive
2998         before archive members.
2999         (Incremental_inputs::report_archive_end): Put input file entry
3000         for archive after archive members.
3001         (Incremental_inputs::report_object): Add parameter; track argument
3002         serial numbers and in_system_directory flag.
3003         (Incremental_inputs::report_script): Add parameter; track argument
3004         serial numbers.
3005         (Output_section_incremental_inputs::set_final_data_size): Adjust
3006         size of symbol info entry; check for forwarding symbols.
3007         (Output_section_incremental_inputs::write_input_files): Write
3008         in_system_directory flag and argument serial number.
3009         (Output_section_incremental_inputs::write_info_blocks): Map section
3010         indices between incremental info and original input file; store
3011         input section index for each symbol.
3012         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3013         change operator() to visit().
3014         (class Global_got_offset_visitor): Likewise.
3015         (class Global_symbol_visitor_got_plt):
3016         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3017         classes.
3018         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3019         (Sized_incr_relobj::do_read_symbols): New function.
3020         (Sized_incr_relobj::do_layout): New function.
3021         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3022         (Sized_incr_relobj::do_add_symbols): New function.
3023         (Sized_incr_relobj::do_should_include_member): New function.
3024         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3025         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3026         (Sized_incr_relobj::do_section_size): New function.
3027         (Sized_incr_relobj::do_section_name): New function.
3028         (Sized_incr_relobj::do_section_contents): New function.
3029         (Sized_incr_relobj::do_section_flags): New function.
3030         (Sized_incr_relobj::do_section_entsize): New function.
3031         (Sized_incr_relobj::do_section_address): New function.
3032         (Sized_incr_relobj::do_section_type): New function.
3033         (Sized_incr_relobj::do_section_link): New function.
3034         (Sized_incr_relobj::do_section_info): New function.
3035         (Sized_incr_relobj::do_section_addralign): New function.
3036         (Sized_incr_relobj::do_initialize_xindex): New function.
3037         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3038         (Sized_incr_relobj::do_read_relocs): New function.
3039         (Sized_incr_relobj::do_gc_process_relocs): New function.
3040         (Sized_incr_relobj::do_scan_relocs): New function.
3041         (Sized_incr_relobj::do_count_local_symbols): New function.
3042         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3043         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3044         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3045         (Sized_incr_relobj::do_relocate): New function.
3046         (Sized_incr_relobj::do_set_section_offset): New function.
3047         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3048         (Sized_incr_dynobj::do_read_symbols): New function.
3049         (Sized_incr_dynobj::do_layout): New function.
3050         (Sized_incr_dynobj::do_add_symbols): New function.
3051         (Sized_incr_dynobj::do_should_include_member): New function.
3052         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3053         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3054         (Sized_incr_dynobj::do_section_size): New function.
3055         (Sized_incr_dynobj::do_section_name): New function.
3056         (Sized_incr_dynobj::do_section_contents): New function.
3057         (Sized_incr_dynobj::do_section_flags): New function.
3058         (Sized_incr_dynobj::do_section_entsize): New function.
3059         (Sized_incr_dynobj::do_section_address): New function.
3060         (Sized_incr_dynobj::do_section_type): New function.
3061         (Sized_incr_dynobj::do_section_link): New function.
3062         (Sized_incr_dynobj::do_section_info): New function.
3063         (Sized_incr_dynobj::do_section_addralign): New function.
3064         (Sized_incr_dynobj::do_initialize_xindex): New function.
3065         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3066         (make_sized_incremental_object): New function.
3067         (Incremental_library::copy_unused_symbols): New function.
3068         (Incremental_library::do_for_all_unused_symbols): New function.
3069         * incremental.h (enum Incremental_input_flags): New type.
3070         (class Incremental_checker): Remove.
3071         (Incremental_input_entry::Incremental_input_entry): Add argument
3072         serial number.
3073         (Incremental_input_entry::arg_serial): New function.
3074         (Incremental_input_entry::set_is_in_system_directory): New function.
3075         (Incremental_input_entry::is_in_system_directory): New function.
3076         (Incremental_input_entry::arg_serial_): New data member.
3077         (Incremental_input_entry::is_in_system_directory_): New data member.
3078         (class Script_info): Move here from script.h.
3079         (Script_info::Script_info): Add filename parameter.
3080         (Script_info::filename): New function.
3081         (Script_info::filename_): New data member.
3082         (Incremental_script_entry::Incremental_script_entry): Add argument
3083         serial number.
3084         (Incremental_object_entry::Incremental_object_entry): Likewise.
3085         (Incremental_object_entry::add_input_section): Build list of input
3086         sections with map to original shndx.
3087         (Incremental_object_entry::get_input_section_index): New function.
3088         (Incremental_object_entry::shndx_): New data member.
3089         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3090         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3091         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3092         serial number.
3093         (Incremental_inputs::report_archive_begin): Likewise.
3094         (Incremental_inputs::report_object): Likewise.
3095         (Incremental_inputs::report_script): Likewise.
3096         (class Incremental_global_symbol_reader): New class.
3097         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3098         and store flags and input file type.
3099         (Incremental_input_entry_reader::arg_serial): New function.
3100         (Incremental_input_entry_reader::type): Extract type from flags.
3101         (Incremental_input_entry_reader::is_in_system_directory): New function.
3102         (Incremental_input_entry_reader::get_input_section_count): Call
3103         accessor function for type.
3104         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3105         function for type; adjust size of global symbol entry.
3106         (Incremental_input_entry_reader::get_global_symbol_count): Call
3107         accessor function for type.
3108         (Incremental_input_entry_reader::get_object_count): Likewise.
3109         (Incremental_input_entry_reader::get_object_offset): Likewise.
3110         (Incremental_input_entry_reader::get_member_count): Likewise.
3111         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3112         (Incremental_input_entry_reader::get_member_offset): Likewise.
3113         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3114         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3115         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3116         (Incremental_input_entry_reader::get_global_symbol_reader): New
3117         function.
3118         (Incremental_input_entry_reader::get_output_symbol_index): New
3119         function.
3120         (Incremental_input_entry_reader::type_): Remove.
3121         (Incremental_input_entry_reader::flags_): New data member.
3122         (Incremental_inputs_reader::input_file_offset): New function.
3123         (Incremental_inputs_reader::input_file_index): New function.
3124         (Incremental_inputs_reader::input_file): Call input_file_offset.
3125         (Incremental_inputs_reader::input_file_at_offset): New function.
3126         (Incremental_relocs_reader::get_r_type): Reformat.
3127         (Incremental_relocs_reader::get_r_shndx): Reformat.
3128         (Incremental_relocs_reader::get_r_offset): Reformat.
3129         (Incremental_relocs_reader::data): New function.
3130         (Incremental_binary::Incremental_binary): Initialize new data members.
3131         (Incremental_binary::check_inputs): Add cmdline parameter.
3132         (Incremental_binary::file_is_unchanged): Remove.
3133         (Input_reader::arg_serial): New function.
3134         (Input_reader::get_unused_symbol_count): New function.
3135         (Input_reader::get_unused_symbol): New function.
3136         (Input_reader::do_arg_serial): New function.
3137         (Input_reader::do_get_unused_symbol_count): New function.
3138         (Input_reader::do_get_unused_symbol): New function.
3139         (Incremental_binary::input_file_count): New function.
3140         (Incremental_binary::get_input_reader): Change signature to use
3141         index instead of filename.
3142         (Incremental_binary::file_has_changed): New function.
3143         (Incremental_binary::get_input_argument): New function.
3144         (Incremental_binary::get_library): New function.
3145         (Incremental_binary::get_script_info): New function.
3146         (Incremental_binary::init_layout): New function.
3147         (Incremental_binary::reserve_layout): New function.
3148         (Incremental_binary::output_file): New function.
3149         (Incremental_binary::do_check_inputs): New function.
3150         (Incremental_binary::do_file_is_unchanged): Remove.
3151         (Incremental_binary::do_file_has_changed): New function.
3152         (Incremental_binary::do_init_layout): New function.
3153         (Incremental_binary::do_reserve_layout): New function.
3154         (Incremental_binary::do_input_file_count): New function.
3155         (Incremental_binary::do_get_input_reader): Change signature.
3156         (Incremental_binary::input_args_map_): New data member.
3157         (Incremental_binary::library_map_): New data member.
3158         (Incremental_binary::script_map_): New data member.
3159         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3160         new data members.
3161         (Sized_incremental_binary::output_section): New function.
3162         (Sized_incremental_binary::inputs_reader): Add const.
3163         (Sized_incremental_binary::symtab_reader): Add const.
3164         (Sized_incremental_binary::relocs_reader): Add const.
3165         (Sized_incremental_binary::got_plt_reader): Add const.
3166         (Sized_incremental_binary::get_symtab_view): New function.
3167         (Sized_incremental_binary::Inputs_reader): New typedef.
3168         (Sized_incremental_binary::Input_entry_reader): New typedef.
3169         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3170         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3171         (Sized_incremental_binary::do_file_has_changed): New function.
3172         (Sized_incremental_binary::do_init_layout): New function.
3173         (Sized_incremental_binary::do_reserve_layout): New function.
3174         (Sized_input_reader::Inputs_reader): Remove.
3175         (Sized_input_reader::Input_entry_reader): Remove.
3176         (Sized_input_reader::do_arg_serial): New function.
3177         (Sized_input_reader::do_get_unused_symbol_count): New function.
3178         (Sized_input_reader::do_get_unused_symbol): New function.
3179         (Sized_incremental_binary::do_input_file_count): New function.
3180         (Sized_incremental_binary::do_get_input_reader): Change signature;
3181         use index instead of filename.
3182         (Sized_incremental_binary::section_map_): New data member.
3183         (Sized_incremental_binary::input_entry_readers_): New data member.
3184         (class Sized_incr_relobj): New class.
3185         (class Sized_incr_dynobj): New class.
3186         (make_sized_incremental_object): New function.
3187         (class Incremental_library): New class.
3188         * layout.cc (Free_list::num_lists): New static data member.
3189         (Free_list::num_nodes): New static data member.
3190         (Free_list::num_removes): New static data member.
3191         (Free_list::num_remove_visits): New static data member.
3192         (Free_list::num_allocates): New static data member.
3193         (Free_list::num_allocate_visits): New static data member.
3194         (Free_list::init): New function.
3195         (Free_list::remove): New function.
3196         (Free_list::allocate): New function.
3197         (Free_list::dump): New function.
3198         (Free_list::print_stats): New function.
3199         (Layout_task_runner::run): Resize output file for incremental updates.
3200         (Layout::Layout): Initialize new data members.
3201         (Layout::set_incremental_base): New function.
3202         (Layout::init_fixed_output_section): New function.
3203         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3204         incremental updates.
3205         (Layout::create_gold_note): Do not create gold note section for
3206         incremental updates.
3207         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3208         for incremental updates.
3209         (Layout::set_section_offsets): For incremental updates, allocate space
3210         from free list.
3211         (Layout::create_symtab_sections): Layout with offsets relative to
3212         start of section; for incremental updates, allocate space from free
3213         list.
3214         (Layout::create_shdrs): For incremental updates, allocate space from
3215         free list.
3216         (Layout::finish_dynamic_section): For incremental updates, do not
3217         check --as-needed (fixed in subsequent patch).
3218         * layout.h (class Free_list): New class.
3219         (Layout::set_incremental_base): New function.
3220         (Layout::incremental_base): New function.
3221         (Layout::init_fixed_output_section): New function.
3222         (Layout::allocate): New function.
3223         (Layout::incremental_base_): New data member.
3224         (Layout::free_list_): New data member.
3225         * main.cc (main): Print Free_list statistics.
3226         * object.cc (Relobj::finalize_incremental_relocs): Add
3227         clear_counts parameter; clear counts only when clear_counts is set.
3228         (Sized_relobj::Sized_relobj): Initialize new base class.
3229         (Sized_relobj::do_layout): Don't report special sections.
3230         (Sized_relobj::do_for_all_local_got_entries): New function.
3231         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3232         symtab_off to all symbol table offsets.
3233         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3234         * object.h (class Got_offset_list): Move to top of file.
3235         (Object::Object): Allow case where input_file == NULL.
3236         (Object::~Object): Likewise.
3237         (Object::input_file): Assert that input_file != NULL.
3238         (Object::lock): Allow case where input_file == NULL.
3239         (Object::unlock): Likewise.
3240         (Object::is_locked): Likewise.
3241         (Object::token): Likewise.
3242         (Object::release): Likewise.
3243         (Object::is_incremental): New function.
3244         (Object::get_mtime): New function.
3245         (Object::for_all_local_got_entries): New function.
3246         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3247         (Object::set_is_in_system_directory): New function.
3248         (Object::is_in_system_directory): New function.
3249         (Object::do_is_incremental): New function.
3250         (Object::do_get_mtime): New function.
3251         (Object::do_for_all_local_got_entries): New function.
3252         (Object::is_in_system_directory_): New data member.
3253         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3254         (class Sized_relobj_base): New class.
3255         (class Sized_relobj): Derive from Sized_relobj_base.
3256         (class Sized_relobj::Symbols): Redeclare from base class.
3257         (class Sized_relobj::local_got_offset_list): Remove.
3258         (class Sized_relobj::Output_sections): Redeclare from base class.
3259         (class Sized_relobj::do_for_all_local_got_entries): New function.
3260         (class Sized_relobj::write_local_symbols): Add offset parameter.
3261         (class Sized_relobj::local_symbol_offset_): Update comment.
3262         (class Sized_relobj::local_dynsym_offset_): Update comment.
3263         * options.cc (Input_arguments::add_file): Remove const.
3264         * options.h (Input_file_argument::Input_file_argument):
3265         Initialize arg_serial_ (all constructors).
3266         (Input_file_argument::set_arg_serial): New function.
3267         (Input_file_argument::arg_serial): New function.
3268         (Input_file_argument::arg_serial_): New data member.
3269         (Input_arguments::Input_arguments): Initialize file_count_.
3270         (Input_arguments::add_file): Remove const.
3271         (Input_arguments::number_of_input_files): New function.
3272         (Input_arguments::file_count_): New data member.
3273         (Command_line::number_of_input_files): Call
3274         Input_arguments::number_of_input_files.
3275         * output.cc (Output_segment_headers::Output_segment_headers):
3276         Set current size.
3277         (Output_section::Input_section::current_data_size): New function.
3278         (Output_section::Output_section): Initialize new data members.
3279         (Output_section::add_input_section): Don't do merge sections for
3280         an incremental link; allocate space from free list for an
3281         incremental update.
3282         (Output_section::add_output_section_data): Allocate space from
3283         free list for an incremental update.
3284         (Output_section::update_data_size): New function.
3285         (Output_section::set_fixed_layout): New function.
3286         (Output_section::reserve): New function.
3287         (Output_segment::set_section_addresses): Remove const.
3288         (Output_segment::set_section_list_addresses): Remove const; allocate
3289         space from free list for an incremental update.
3290         (Output_segment::set_offset): Adjust size of RELRO segment for an
3291         incremental update.
3292         * output.h (Output_data::current_data_size): Move here from
3293         child classes.
3294         (Output_data::pre_finalize_data_size): New function.
3295         (Output_data::update_data_size): New function.
3296         (Output_section_headers::update_data_size): new function.
3297         (Output_section_data_build::current_data_size): Move to Output_data.
3298         (Output_data_strtab::update_data_size): New function.
3299         (Output_section::current_data_size): Move to Output_data.
3300         (Output_section::set_fixed_layout): New function.
3301         (Output_section::has_fixed_layout): New function.
3302         (Output_section::reserve): New function.
3303         (Output_section::update_data_size): New function.
3304         (Output_section::has_fixed_layout_): New data member.
3305         (Output_section::free_list_): New data member.
3306         (Output_segment::set_section_addresses): Remove const.
3307         (Output_segment::set_section_list_addresses): Remove const.
3308         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3309         New function.
3310         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3311         New function.
3312         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3313         parameter when calling Add_symbols constructor; store argument
3314         serial number for members of a lib group.
3315         (Add_symbols::locks): Allow case where token == NULL.
3316         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3317         (Read_member::~Read_member): New function.
3318         (Read_member::is_runnable): New function.
3319         (Read_member::locks): New function.
3320         (Read_member::run): New function.
3321         (Check_script::~Check_script): New function.
3322         (Check_script::is_runnable): New function.
3323         (Check_script::locks): New function.
3324         (Check_script::run): New function.
3325         (Check_library::~Check_library): New function.
3326         (Check_library::is_runnable): New function.
3327         (Check_library::locks): New function.
3328         (Check_library::run): New function.
3329         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3330         (Add_symbols::library_): New data member.
3331         (class Read_member): New class.
3332         (class Check_script): New class.
3333         (class Check_library): New class.
3334         * reloc.cc (Read_relocs::is_runnable): Allow case where
3335         token == NULL.
3336         (Read_relocs::locks): Likewise.
3337         (Scan_relocs::locks): Likewise.
3338         (Relocate_task::locks): Likewise.
3339         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3340         to clear counters.
3341         (Sized_relobj::incremental_relocs_scan): Fix comment.
3342         (Sized_relobj::do_relocate): Pass output file offset to
3343         write_local_symbols.
3344         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3345         from class declaration.
3346         * script.cc (read_input_script): Allocate Script_info; pass
3347         argument serial number to report_script.
3348         * script.h (class Script_info): Move to incremental.h.
3349         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3350         * symtab.h (Symbol_table::add_from_incrobj): New function.
3351         (Symbol_table::set_file_offset): New function.
3352
3353 2011-04-05  Cary Coutant  <ccoutant@google.com>
3354
3355         * incremental-dump.cc (dump_incremental_inputs): Change signature
3356         to take a Sized_incremental_binary; change caller.  Use readers
3357         in Sized_incremental_binary.
3358         * incremental.cc
3359         (Sized_incremental_binary::find_incremental_inputs_sections):
3360         Rename do_find_incremental_inputs_sections to this.
3361         (Sized_incremental_binary::setup_readers): New function.
3362         (Sized_incremental_binary::do_check_inputs): Check
3363         has_incremental_info_ flag; move setup code to setup_readers;
3364         use input readers.
3365         (Sized_incremental_binary::do_file_is_unchanged): New function.
3366         (Sized_incremental_binary::do_get_input_reader): New function.
3367         * incremental.h (class Incremental_binary): Move to end of file.
3368         (Incremental_binary::file_is_unchanged): New function.
3369         (Incremental_binary::do_file_is_unchanged): New function.
3370         (Incremental_binary::Input_reader): New class.
3371         (Incremental_binary::get_input_reader): New function.
3372         (class Sized_incremental_binary): Move to end of file.
3373         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3374         input section reader classes.
3375         (Sized_incremental_binary::has_incremental_info): New function.
3376         (Sized_incremental_binary::inputs_reader): New function.
3377         (Sized_incremental_binary::symtab_reader): New function.
3378         (Sized_incremental_binary::relocs_reader): New function.
3379         (Sized_incremental_binary::got_plt_reader): New function.
3380         (Sized_incremental_binary::do_file_is_unchanged): New function.
3381         (Sized_incremental_binary::Sized_input_reader): New class.
3382         (Sized_incremental_binary::get_input_reader): New function.
3383         (Sized_incremental_binary::find_incremental_inputs_sections):
3384         Rename do_find_incremental_inputs_sections to this.
3385         (Sized_incremental_binary::setup_readers): New function.
3386         (Sized_incremental_binary::has_incremental_info_): New data member.
3387         (Sized_incremental_binary::inputs_reader_): New data member.
3388         (Sized_incremental_binary::symtab_reader_): New data member.
3389         (Sized_incremental_binary::relocs_reader_): New data member.
3390         (Sized_incremental_binary::got_plt_reader_): New data member.
3391         (Sized_incremental_binary::current_input_file_): New data member.
3392
3393 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3394
3395         PR gold/12640
3396         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3397         violation.
3398
3399 2011-03-30  Cary Coutant  <ccoutant@google.com>
3400
3401         * archive.cc (Archive::include_member): Adjust call to report_object.
3402         (Add_archive_symbols::run): Add script_info to call to
3403         report_archive_begin.
3404         (Lib_group::include_member): Adjust call to report_object.
3405         (Add_lib_group_symbols::run): Adjust call to report_object.
3406         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3407         blocks.  Add object count for script input files.
3408         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3409         script_info parameter; change all callers.
3410         (Incremental_inputs::report_object): Add script_info parameter;
3411         change all callers.
3412         (Incremental_inputs::report_script): Store backpointer to
3413         incremental info entry.
3414         (Output_section_incremental_inputs::set_final_data_size): Record
3415         additional information for scripts.
3416         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3417         * incremental.h (Incremental_script_entry::add_object): New function.
3418         (Incremental_script_entry::get_object_count): New function.
3419         (Incremental_script_entry::get_object): New function.
3420         (Incremental_script_entry::objects_): New data member; adjust
3421         constructor.
3422         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3423         (Incremental_inputs::report_object): Add script_info parameter.
3424         (Incremental_inputs_reader::get_object_count): New function.
3425         (Incremental_inputs_reader::get_object_offset): New function.
3426         * options.cc (Input_arguments::add_file): Return reference to
3427         new input argument.
3428         * options.h (Input_argument::set_script_info): New function.
3429         (Input_argument::script_info): New function.
3430         (Input_argument::script_info_): New data member; adjust all
3431         constructors.
3432         (Input_file_group::add_file): Return reference to new input argument.
3433         (Input_file_lib::add_file): Likewise.
3434         (Input_arguments::add_file): Likewise.
3435         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3436         * script.cc (Parser_closure::Parser_closure): Add script_info
3437         parameter; adjust all callers.
3438         (Parser_closure::script_info): New function.
3439         (Parser_closure::script_info_): New data member.
3440         (read_input_script): Report scripts earlier to incremental info.
3441         (script_add_file): Set script_info in Input_argument.
3442         (script_add_library): Likewise.
3443         * script.h (Script_options::Script_info): Rewrite class.
3444
3445 2011-03-29  Cary Coutant  <ccoutant@google.com>
3446
3447         * archive.cc (Library_base::should_include_member): Move
3448         method here from class Archive.
3449         (Archive::Archive): Initialize base class.
3450         (Archive::should_include_member): Move to base class.
3451         (Archive::do_for_all_unused_symbols): New function.
3452         (Add_archive_symbols::run): Remove redundant access to
3453         incremental_inputs.
3454         (Lib_group::Lib_group): Initialize base class.
3455         (Lib_group::do_filename): New function.
3456         (Lib_group::include_member): Pass pointer to Lib_group to
3457         report_object.
3458         (Lib_group::do_for_all_unused_symbols): New function.
3459         (Add_lib_group_symbols::run): Report archive information for
3460         incremental links.
3461         * archive.h (class Library_base): New base class.
3462         (class Archive): Derive from Library_base.
3463         (Archive::filename): Move to base class.
3464         (Archive::set_incremental_info): Likewise.
3465         (Archive::incremental_info): Likewise.
3466         (Archive::Should_include): Likewise.
3467         (Archive::should_include_member): Likewise.
3468         (Archive::Armap_entry): Remove.
3469         (Archive::Unused_symbol_iterator): Remove.
3470         (Archive::unused_symbols_begin): Remove.
3471         (Archive::unused_symbols_end): Remove.
3472         (Archive::do_filename): New function.
3473         (Archive::do_get_mtime): New function.
3474         (Archive::do_for_all_unused_symbols): New function.
3475         (Archive::task_): Move to base class.
3476         (Archive::incremental_info_): Likewise.
3477         (class Lib_group): Derive from Library_base.
3478         (Lib_group::do_filename): New function.
3479         (Lib_group::do_get_mtime): New function.
3480         (Lib_group::do_for_all_unused_symbols): New function.
3481         (Lib_group::task_): Move to base class.
3482         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3483         function.
3484         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3485         function.
3486         * incremental.cc (Incremental_inputs::report_archive_begin):
3487         Use Library_base; call library's get_mtime; add incremental inputs
3488         entry before members.
3489         (class Unused_symbol_visitor): New class.
3490         (Incremental_inputs::report_archive_end): Use Library_base; use
3491         visitor class to record unused symbols; don't add incremental inputs
3492         entry after members.
3493         (Incremental_inputs::report_object): Use Library_base.
3494         * incremental.h
3495         (Incremental_archive_entry::Incremental_archive_entry): Remove
3496         unused Archive parameter.
3497         (Incremental_inputs::report_archive_begin): Use Library_base.
3498         (Incremental_inputs::report_archive_end): Likewise.
3499         (Incremental_inputs::report_object): Likewise.
3500         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3501         function.
3502         * object.h (Object::for_all_global_symbols): New function.
3503         (Object::do_for_all_global_symbols): New function.
3504         (Sized_relobj::do_for_all_global_symbols): New function.
3505         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3506         function.
3507         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3508         function.
3509
3510 2011-03-27  Ian Lance Taylor  <iant@google.com>
3511
3512         * archive.cc (Archive::interpret_header): Return -1 if something
3513         goes wrong.  Change callers accordingly.
3514
3515 2011-03-25  Cary Coutant  <ccoutant@google.com>
3516
3517         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3518         * testsuite/Makefile.in: Regenerate.
3519
3520 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3521
3522         * plugin.cc (get_view): New.
3523         (Plugin::load): Pass get_view to the plugin.
3524         (Plugin_manager::get_view): New.
3525
3526 2011-03-21  Ian Lance Taylor  <iant@google.com>
3527
3528         * testsuite/final_layout.sh: Rewrite to not use dc.
3529         * testsuite/relro_test.sh: Fail if dc is not present.
3530
3531 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3532
3533         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3534         Change == to -eq.
3535         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3536         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3537         Change == to -eq.
3538         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3539         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3540
3541 2011-03-14  Ian Lance Taylor  <iant@google.com>
3542
3543         * script-sections.cc (Sort_output_sections::script_compare):
3544         Rename from is_before, change return type.
3545         (Sort_output_sections::operator()): Adjust accordingly.
3546
3547 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3548
3549         PR gold/12572
3550         * testsuite/odr_violation2.cc: Add comment to make all error line
3551         numbers double digits.
3552         * testsuite/debug_msg.sh: Adjust expected errors.
3553
3554 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3555
3556         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3557         but mark earlier ones as non-canonical
3558         (offset_to_iterator): Update search target and example
3559         (do_addr2line): Return extra lines in a vector*
3560         (format_file_lineno): Extract from do_addr2line
3561         (one_addr2line): Add vector* out-param
3562         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3563         when a lineno entry appeared last for its instruction
3564         (Dwarf_line_info): Add vector* out-param
3565         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3566         * symtab.cc (Odr_violation_compare): Include the lineno in the
3567         comparison again.
3568         (linenos_from_loc): New. Combine the canonical line for an
3569         address with its other lines.
3570         (True_if_intersect): New. Helper functor to make
3571         std::set_intersection a query.
3572         (detect_odr_violations): Compare sets of lines instead of just
3573         one line for each function. This became less deterministic, but
3574         has fewer false positives.
3575         * symtab.h: Declarations.
3576         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3577         mix an optimized and non-optimized object in the same binary
3578         (odr_violation2.so): Same.
3579         * testsuite/Makefile.in: Regenerate from Makefile.am.
3580         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3581         * testsuite/debug_msg.sh: Update line numbers and add
3582         assertions.
3583         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3584         non-optimized context.
3585         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3586         isn't inlined, and use OdrDerived in an optimized context.
3587         * testsuite/odr_header1.h: Defines OdrDerived, where
3588         optimization will change the
3589         first-instruction-in-the-destructor's file and line number.
3590         * testsuite/odr_header2.h: Defines OdrBase.
3591
3592 2011-03-09  Ian Lance Taylor  <iant@google.com>
3593
3594         * fileread.cc (File_read::clear_views): Don't delete the whole
3595         file view.
3596
3597 2011-03-08  Ian Lance Taylor  <iant@google.com>
3598
3599         PR gold/12525
3600         * fileread.cc: #include <climits>.
3601         (GOLD_IOV_MAX): Define.
3602         (File_read::read_multiple): Limit number of entries by iov_max.
3603         * fileread.h (class File_read): Always set max_readv_entries to
3604         128.
3605
3606 2011-03-07  Ian Lance Taylor  <iant@google.com>
3607
3608         PR gold/12525
3609         * options.h (class General_options): Add -dy and -dn.
3610
3611 2011-03-02  Cary Coutant  <ccoutant@google.com>
3612
3613         * testsuite/script_test_9.t: Add TLS segment.
3614
3615 2011-03-02  Simon Baldwin  <simonb@google.com>
3616
3617         * configure.ac: Add check for gnu_indirect_function support in
3618         the toolchain building binutils.
3619         * configure: Rebuild.
3620
3621 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3622
3623         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3624         plugin only symbols.
3625         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3626         in plugin files as not needed in the symbol table.
3627
3628 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3629
3630         * output.cc (Output_section::add_input_section): Delay fill
3631         generation for section ordering.
3632
3633 2011-02-09  Ian Lance Taylor  <iant@google.com>
3634
3635         PR gold/12316
3636         * object.h (class Sized_relobj): Remove clear_local_symbols.
3637         * reloc.cc (Sized_relobj::do_relocate): Don't call
3638         clear_local_symbols.
3639
3640 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3641
3642         * plugin.cc (is_visible_from_outside): Return true for symbols
3643         in the -u option.
3644
3645 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3646
3647         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3648         filename.
3649
3650 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3651
3652         * icf.h (is_section_foldable_candidate): Change type of parameter
3653         to std::string.
3654         * icf.cc (Icf::find_identical_sections): Change type of local variable
3655         section_name to be std::string.
3656         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3657
3658 2011-01-25  Ian Lance Taylor  <iant@google.com>
3659
3660         * script.cc (script_add_extern): Rewrite to use
3661         add_symbol_reference.
3662
3663 2011-01-25  Doug Kwan  <dougkwan@google.com>
3664
3665         * icf.cc (get_section_contents): Always lock section's object.
3666
3667 2011-01-24  Ian Lance Taylor  <iant@google.com>
3668
3669         * options.h (class General_options): Accept
3670         --no-detect-odr-violations.
3671
3672 2011-01-24  Ian Lance Taylor  <iant@google.com>
3673
3674         * version.cc (version_string): Bump to 1.11.
3675
3676 2011-01-24  Ian Lance Taylor  <iant@google.com>
3677
3678         * plugin.cc (class Plugin_rescan): Define new class.
3679         (Plugin_manager::claim_file): Set any_claimed_.
3680         (Plugin_manager::save_archive): New function.
3681         (Plugin_manager::save_input_group): New function.
3682         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3683         necessary.
3684         (Plugin_manager::new_undefined_symbol): New function.
3685         (Plugin_manager::rescan): New function.
3686         (Plugin_manager::rescannable_defines): New function.
3687         (Plugin_manager::add_input_file): Set any_added_.
3688         * plugin.h (class Plugin_manager): define new fields rescannable_,
3689         undefined_symbols_, any_claimed_, and any_added_.  Declare
3690         Plugin_rescan as friend.  Declare new functions.
3691         (Plugin_manager::Rescannable): Define type.
3692         (Plugin_manager::Rescannable_list): Define type.
3693         (Plugin_manager::Undefined_symbol_list): Define type.
3694         (Plugin_manager::Plugin_manager): Initialize new fields.
3695         * archive.cc (Archive::defines_symbol): New function.
3696         (Add_archive_symbols::run): Pass archive to plugins if any.
3697         * archive.h (class Archive): Declare defines_symbol.
3698         * readsyms.cc (Input_group::~Input_group): New function.
3699         (Finish_group::run): Pass input_group to plugins if any.
3700         * readsyms.h (class Input_group): Declare destructor.
3701         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3702         any.
3703
3704 2011-01-10  Ian Lance Taylor  <iant@google.com>
3705
3706         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3707         section as relro.
3708         (Layout::set_segment_offsets): Reset increase_relro before calling
3709         set_section_addresses a second time.
3710
3711 2011-01-04  Cary Coutant  <ccoutant@google.com>
3712
3713         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3714         sections before NOBITS sections.
3715
3716 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3717
3718         * version.cc (print_version): Update copyright to 2011.
3719
3720 2010-12-23  Cary Coutant  <ccoutant@google.com>
3721
3722         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3723         of OS to this->add.  Add OD parameter to second form of the function.
3724
3725 2010-12-20  Ian Lance Taylor  <iant@google.com>
3726
3727         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3728         second of two consecutive entries with same offset.
3729
3730 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3731
3732         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3733         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3734         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3735         to avoid unneeded links against $(LDADD).
3736         * testsuite/Makefile.in: Regenerate.
3737
3738 2010-12-15  Ian Lance Taylor  <iant@google.com>
3739
3740         PR gold/12324
3741         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3742         for R_X86_64_32 and R_X86_64_PC32.
3743         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3744         ver_matching_def_pic.o.
3745         (ver_matching_def_pic.o): New target.
3746
3747 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3748
3749         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3750         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3751         Move definition before File_read::View member definitions.
3752         (File_read::View::~View): Initialize and hold lock before
3753         updating current_mapped_bytes.
3754
3755 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3756
3757         * dwarf_reader.cc: Remove outdated comment.
3758         * gold-threads.cc: Fix typo in error message.
3759         * archive.cc: Fix typos in comments.
3760         * archive.h: Likewise.
3761         * arm-reloc-property.cc: Likewise.
3762         * arm-reloc-property.h: Likewise.
3763         * arm-reloc.def: Likewise.
3764         * arm.cc: Likewise.
3765         * attributes.h: Likewise.
3766         * cref.cc: Likewise.
3767         * ehframe.cc: Likewise.
3768         * fileread.h: Likewise.
3769         * gold.h: Likewise.
3770         * i386.cc: Likewise.
3771         * icf.cc: Likewise.
3772         * incremental.h: Likewise.
3773         * int_encoding.cc: Likewise.
3774         * layout.h: Likewise.
3775         * main.cc: Likewise.
3776         * merge.h: Likewise.
3777         * object.cc: Likewise.
3778         * object.h: Likewise.
3779         * options.cc: Likewise.
3780         * readsyms.cc: Likewise.
3781         * reduced_debug_output.cc: Likewise.
3782         * reloc.cc: Likewise.
3783         * script-sections.cc: Likewise.
3784         * sparc.cc: Likewise.
3785         * symtab.h: Likewise.
3786         * target-reloc.h: Likewise.
3787         * target.cc: Likewise.
3788         * target.h: Likewise.
3789         * timer.cc: Likewise.
3790         * timer.h: Likewise.
3791         * x86_64.cc: Likewise.
3792
3793 2010-12-09  Cary Coutant  <ccoutant@google.com>
3794
3795         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3796         stack.
3797         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3798         parameter; change all callers.
3799         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3800         * options.h (warn_execstack): New option.
3801
3802 2010-12-07  Doug Kwan  <dougkwan@google.com>
3803
3804         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3805         like function call relocations.
3806
3807 2010-12-07  Ian Lance Taylor  <iant@google.com>
3808
3809         * archive.cc (Archive::get_elf_object_for_member): Permit
3810         punconfigured to be NULL.
3811         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3812         (Archive::include_member): Pass NULL to get_elf_object_for_member
3813         if we searched for the archive and this is the first included
3814         object.
3815
3816 2010-12-01  Ian Lance Taylor  <iant@google.com>
3817
3818         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3819         track_relocs_type_ field.
3820         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3821         Set track_relocs_type_.
3822         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3823         contents when using RELA relocs.
3824         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3825         reloc_map_.
3826         * reloc.cc (Track_relocs::next_addend): New function.
3827         * reloc.h (class Track_relocs): Declare next_addend.
3828
3829 2010-12-01  Ian Lance Taylor  <iant@google.com>
3830
3831         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3832         virtual destructor.
3833
3834 2010-12-01  Ian Lance Taylor  <iant@google.com>
3835
3836         * README: Update compilers known to work and fail.
3837
3838 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3839
3840         * configure.in: For --enable-gold, handle value `default' instead of
3841         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3842         not the default.
3843         * configure: Regenerate.
3844
3845 2010-11-18  Doug Kwan  <dougkwan@google.com>
3846
3847         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3848         and right_alignment to be zero.  Store result alignment only if it is
3849         greater than existing alignment.
3850
3851 2010-11-16  Cary Coutant  <ccoutant@google.com>
3852
3853         PR gold/12220
3854         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3855         Check for ".zdebug_line".
3856
3857 2010-11-16  Doug Kwan  <dougkwan@google.com>
3858             Cary Coutant  <ccoutant@google.com>
3859
3860         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3861         by reference; adjust all callers.
3862         * output.cc (Output_segment::set_section_addresses): Adjust references
3863         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3864         list is empty.
3865         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3866         end at page boundary.
3867
3868 2010-11-16  Cary Coutant  <ccoutant@google.com>
3869
3870         PR gold/12220
3871         * layout.cc (Layout::choose_output_section): Transform names of
3872         compressed sections even when using a script with a SECTIONS clause.
3873         (Layout::output_section_name): Remove code to transform
3874         compressed debug section names.
3875         * output.cc (Output_section::add_input_section): Use uncompressed
3876         section size when tracking input sections.
3877
3878 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3879
3880         * symtab.h (Symbol::NON_PIC_REF): Remove.
3881         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3882         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3883         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3884         (Symbol::use_plt_offset): Take a flags argument and pass it
3885         directly to needs_dynamic_reloc.  Restrict check for undefined
3886         weak symbols to function calls.
3887         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3888         (Target_arm::Scan::global): Use it.
3889         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3890         (Target_arm::Relocate::relocate): Likewise.
3891         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3892         parameter with an r_type parameter.  Use get_reference_flags
3893         to get the flags.
3894         (Target_arm::Relocate::relocate): Update accordingly.
3895         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3896         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3897         (Target_i386::Scan::global): Likewise.
3898         (Target_i386::Relocate::relocate): Likewise.
3899         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3900         parameter with an r_type parameter.  Use get_reference_flags
3901         to get the flags.
3902         (Target_i386::Relocate::relocate): Update accordingly.
3903         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3904         (Target_powerpc::Scan::global): Use it.
3905         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3906         (Target_powerpc::Relocate::relocate): Likewise.
3907         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3908         (Target_sparc::Scan::global): Use it.
3909         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3910         (Target_sparc::Relocate::relocate): Likewise.
3911         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3912         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3913         (Target_x86_64::Scan::global): Likewise.
3914         (Target_x86_64::Relocate::relocate): Likewise.
3915
3916 2010-11-08  Doug Kwan  <dougkwan@google.com>
3917             Cary Coutant  <ccoutant@google.com>
3918
3919         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3920         (Arm_exidx_merge_section::section_contents_): New data member.
3921         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3922         (Arm_input_section::~Arm_input_section): De-allocate memory.
3923         (Arm_input_section::original_contents_): New data member.
3924         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3925         in parameters instead of calling Object::section_contents without
3926         locking.
3927         (Arm_output_section::group_section): New parameter TASK.  Pass it
3928         to callees that need locking objects.
3929         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3930         to lock EXIDX input sections.  Fix a formatting issue.  Call
3931         Arm_exidx_merged_section::build_contents to create merged section
3932         contents.
3933         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3934         to lock object of stub table owner.
3935         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3936         TEXT_SIZE to initialize data member TEXT_SIZE_.
3937         (Arm_exidx_input_section::addralign): Fix typo in comment.
3938         (Arm_exidx_input_section::text_size): New method.
3939         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3940         that require locking objects.  Lock objects before scanning for stubs
3941         and updating local symbols.
3942         (Arm_input_section<big_endian>::init): Copy contents of original
3943         input section.
3944         (Arm_input_section<big_endian>::do_write): Use saved contents of
3945         original input section instead of calling Object::section_contents
3946         without locking.
3947         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3948         size without calling Object::section_size().
3949         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3950         for size.  Allocate a buffer for merged EXIDX entries.
3951         (Arm_exidx_merged_section::build_contents): New method.
3952         (Arm_exidx_merged_section::do_write): Move merge section contents
3953         building code to Arm_exidx_merged_section::build_contetns.  Write
3954         out contetns in buffer instead of building it on the fly.
3955         (Arm_relobj::make_exidx_input_section): Also pass text section size
3956         to Arm_exidx_input_section constructor.
3957         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3958         (Arm_dynobj::do_read_symbols): Fix memory leak.
3959         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3960         * target.h: (class Task): Add forward declaration.
3961         (Target::relax): Add new parameter TASK and pass it to
3962         Target::do_relax().
3963         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3964
3965 2010-11-05  Cary Coutant  <ccoutant@google.com>
3966
3967         PR gold/10708
3968         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3969         object when reading from the file.
3970         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3971         second layout pass.
3972         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3973         when reading section contents.
3974         (get_section_contents): Likewise.
3975         (icf::find_identical_sections): Likewise.
3976         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3977         object when reading from the file.
3978         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3979         the object when doing deferred section layout.
3980
3981 2010-11-03  Nick Clifton  <nickc@redhat.com>
3982
3983         PR gold/12001
3984         * script.h (class Symbol_assignment: name): New member.  Returns
3985         the name of the symbol.
3986         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3987         Returns true if the given symbol name is on the list of
3988         assignments wating to be processed.
3989         * archive.cc (should_incldue_member): If the symbol is undefined,
3990         check to see if it is on the list of symbols pending assignment.
3991
3992 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3993
3994         * script-sections.cc (Script_sections::find_memory_region): Check
3995         for a NULL output section pointer.
3996
3997 2010-10-29  Doug Kwan  <dougkwan@google.com>
3998
3999         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4000         Output_section::add_relaxed_input_section.
4001         * output.cc (Output_section::add_relaxed_input_section): Add new
4002         arguments LAYOUT and NAME.  Set section order index.
4003         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4004         Copy section order index.
4005         * output.h (Output_section::add_relaxed_input_section): Add new
4006         arguments LAYOUT and NAME.
4007
4008 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4009
4010         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4011         NATIVE_OR_CROSS_LINKER.
4012         * testsuite/Makefile.in: Regenerate.
4013
4014 2010-10-20  Doug Kwan  <dougkwan@google.com>
4015
4016         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4017         without SHF_LINK_ORDER flags.
4018         * layout.cc (Layout::choose_output_section): Do not filter
4019         SHF_LINK_ORDER flag in a relocatable link.
4020
4021 2010-10-17  Cary Coutant  <ccoutant@google.com>
4022
4023         * output.h (Output_segment::set_section_addresses): Change function
4024         signature.  Update all callers.
4025         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4026         sections.
4027         (Output_segment::set_section_addresses): Align after last TLS
4028         section.  Add padding before last relro section instead of after.
4029
4030 2010-10-17  Doug Kwan  <dougkwan@google.com>
4031
4032         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4033         GOT output section to be writable.
4034
4035 2010-10-14  Cary Coutant  <ccoutant@google.com>
4036
4037         * debug.h (DEBUG_INCREMENTAL): New flag.
4038         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4039         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4040         mode.
4041         * incremental.cc (report_command_line): Ignore all forms of
4042         --incremental.
4043         * layout.cc (Layout::Layout): Check parameters for incremental link
4044         mode.
4045         * options.cc (General_options::parse_incremental): New function.
4046         (General_options::parse_no_incremental): New function.
4047         (General_options::parse_incremental_full): New function.
4048         (General_options::parse_incremental_update): New function.
4049         (General_options::incremental_mode_): New data member.
4050         (General_options::finalize): Check incremental_mode_.
4051         * options.h (General_options): Update help text for --incremental.
4052         Add --no-incremental, --incremental-full, --incremental-update.
4053         (General_options::Incremental_mode): New enum type.
4054         (General_options::incremental_mode): New function.
4055         (General_options::incremental_mode_): New data member.
4056         * parameters.cc (Parameters::incremental_mode_): New data member.
4057         (Parameters::set_options): Set incremental_mode_.
4058         (Parameters::set_incremental_full): New function.
4059         (Parameters::incremental): New function.
4060         (Parameters::incremental_update): New function.
4061         (set_parameters_incremental_full): New function.
4062         * parameters.h (Parameters::set_incremental_full): New function.
4063         (Parameters::incremental): New function.
4064         (Parameters::incremental_update): New function.
4065         (Parameters::incremental_mode_): New data member.
4066         (set_parameters_incremental_full): New function.
4067         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4068         incremental link mode.
4069         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4070         (Sized_relobj::do_relocate_sections): Likewise.
4071         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4072         option.
4073         * testsuite/Makefile.in: Regenerate.
4074         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4075
4076 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4077
4078         * script-sections.h (class Script_sections): Make
4079         Sections_elements typedef public.
4080         * script-sections.cc (class Sort_output_sections): Add elements_
4081         field.  Add constructor which sets it; change all callers.
4082         (Sort_output_sections::is_before): New function.
4083         (Sort_output_sections::operator()): Call is_before.
4084         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4085         conditional.
4086         * testsuite/script_test_10.sh: New test. Test script section
4087         order.
4088         * testsuite/script_test_10.t: Likewise.
4089         * testsuite/script_test_10.s: Likewise.
4090         * testsuite/Makefile.am: Wrap the cross linker tests and the
4091         common tests into NATIVE_OR_CROSS_LINKER.
4092         (check_SCRIPTS): Add script_test_10.sh.
4093         (check_DATA): Add script_test_10.stdout.
4094         (script_test_10.o, script_test_10): New targets.
4095         (script_test_10.stdout): New target.
4096         * configure, testsuite/Makefile.in: Regenerate.
4097
4098 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4099
4100         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4101         error for the deprecated relocations.
4102         (Target_arm::Scan::global): Likewise.
4103         (Target_arm::Relocate::relocate): Likewise.
4104
4105 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4106
4107         * fileread.cc (Input_file::find_file): Initialize *found_name
4108         and *namep when using the fallback search for case 4.
4109
4110 2010-10-11  Cary Coutant  <ccoutant@google.com>
4111
4112         * options.h (class General_options): Redefine -z lazy as an alias for
4113         the negation of -z now.
4114
4115 2010-10-11  Ian Lance Taylor  <iant@google.com>
4116
4117         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4118         binding.
4119
4120 2010-10-06  Nick Clifton  <nickc@redhat.com>
4121
4122         * script-sections.cc(class Memory_region): Remove
4123         current_lma_offset_ field.  Rename current_vma_offset_ to
4124         current_offset_.  Add last_section_ field.
4125         (Memory_region::get_current_vma_address): Rename to
4126         get_current_address.
4127         (Memory_region::get_current_lma_address): Delete.
4128         (Memory_region::increment_vma_offset): Rename to
4129         increment_offset.
4130         (Memory_region::increment_lma_offset): Delete.
4131         (Memory_region::attributes_compatible): New method.  Returns
4132         true if the provided section is compatible with the region.
4133         (Memory_region::get_last_section): New method.  Returns the last
4134         section to use the region.
4135         (Memory_region::set_last_section): New method.  Stores the last
4136         section to use the region.
4137         (Script_sections::block_in_region): New method.  Returns true if
4138         a block of memory is contained within a region.
4139         (Script_sections::find_memory_region): New method.  Locates a
4140         memory region to be used to set a VMA or LMA address.
4141         (Output_section_definition::set_section_addresses): Add code to
4142         check for addresses set by memory regions.
4143         (Output_segment::set_section_addresses): Remove memory region
4144         walking code.
4145         (Script_sections::create_segment): Add a warning if a header
4146         segment is created outside of any region.
4147         * script-sections.h (class Script_sections): Add prototypes for
4148         find_memory_region and block_in_region methods.
4149         * testsuite/memory_test.s: Use .long instead of .word.
4150         * testsuite/memory_test.t: Add some more output sections.
4151         * testsuite/memory_test.sh: Update expected output.
4152
4153 2010-10-02  Doug Kwan  <dougkwan@google.com>
4154
4155         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4156         defintion to symtab.h
4157         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4158         declaration to defintion.
4159
4160 2010-10-01  Nick Clifton  <nickc@redhat.com>
4161
4162         * expression.cc (eval): Replace dummy argument with NULL.
4163         (eval_maybe_dot): Check for a NULL result section pointer.
4164         (Symbol_expression::value): Likewise.
4165         (Dot_expression::value): Likewise.
4166         (BINARY_EXPRESSION): Likewise.
4167         (Max_expression::value): Likewise.
4168         (Min_expression::value): Likewise.
4169         (Absolute_expression::value): Likewise.
4170         (Addr_expression::value_from_output_section): Likewise.
4171         (Loaddddr_expression::value_from_output_section): Likewise.
4172         (Segment_start_expression::value): Likewise.
4173         * script-sections.cc
4174         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4175         argument with NULL.
4176         (Sections_elememt_dot_assignment::set_section_addresses):
4177         Likewise.
4178         (Output_data_expression::do_write_to_buffer): Likewise.
4179         (Output_section_definition::finalize_symbols): Likewise.
4180         (Output_section_definition::set_section_addresses): Likewise.
4181
4182 2010-09-30  Doug Kwan  <dougkwan@google.com>
4183
4184         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4185
4186 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4187
4188         * target.h (Target::can_icf_inline_merge_sections): New virtual
4189         function.
4190         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4191         virtual function.
4192         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4193         virtual function.
4194         * icf.cc (get_section_contents): Inline merge sections only when
4195         target allows it.
4196
4197 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4198
4199         * configure: Regenerate.
4200
4201 2010-09-17  Ian Lance Taylor  <iant@google.com>
4202
4203         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4204         * testsuite/Makefile.am (memory_test.o): New target.
4205         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4206         memory_test.t.
4207         * testsuite/Makefile.in: Rebuild.
4208
4209 2010-09-17  Doug Kwan  <dougkwan@google.com>
4210
4211         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4212         defintion if relocation uses GOT entries of the symbol.
4213         * testsuite/icf_safe_test.sh: Fix test.
4214         * testsuite/icf_safe_so_test.sh: Fix test.
4215
4216 2010-09-16  Cary Coutant  <ccoutant@google.com>
4217
4218         * script_sections.cc (class Memory_region): Remove "NULL" from
4219         vector initializations.
4220
4221 2010-09-15  Cary Coutant  <ccoutant@google.com>
4222
4223         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4224         Resolve forwarding symbols.
4225
4226 2010-09-15  Doug Kwan  <dougkwan@google.com>
4227
4228         * gold/testsuite/script_test_3.t: Add ARM special sections.
4229         * gold/testsuite/script_test_4.t: Same.
4230         * gold/testsuite/script_test_5.t: Same.
4231         * gold/testsuite/script_test_6.t: Same.
4232         * gold/testsuite/script_test_7.t: Same.
4233         * gold/testsuite/script_test_7.t: Same.
4234         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4235
4236 2010-09-14  Cary Coutant  <ccoutant@google.com>
4237
4238         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4239         (Target_x86_64::Relocate::relocate_tls): Replace check for
4240         saw_tls_block_reloc_ with test for executable section.
4241
4242 2010-09-12  Cary Coutant  <ccoutant@google.com>
4243
4244         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4245         position-independent executables to shared libraries need dynamic
4246         relocations.
4247         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4248         position-independent executables.
4249         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4250         * testsuite/Makefile.in: Regenerate.
4251
4252 2010-09-10  Nick Clifton  <nickc@redhat.com>
4253
4254         PR gold/11997
4255         * testsuite/memory_test.t: Discard any sections that are not
4256         needed.
4257
4258 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4259
4260         PR gold/11996
4261         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4262         "This::" to work around a bug in gcc 4.2.
4263
4264         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4265
4266 2010-09-09  Rafael Espindola  <espindola@google.com>
4267
4268         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4269         sections with different PF_X flags in the same segment.
4270         (Layout::find_first_load_seg): Search all segments to find the first
4271         one.
4272         * options.h (rosegment): New.
4273
4274 2010-09-08  Rafael Espindola  <espindola@google.com>
4275
4276         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4277
4278 2010-09-08  Doug Kwan  <dougkwan@google.com>
4279
4280         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4281         (Arm_relobj::do_relocate_sections): Add new parameter for output
4282         file to match the parent.
4283         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4284         of local symbols instead of input values.  Update code to track
4285         changes in gold::relocate_section.
4286         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4287         (Sized_relobj::compute_final_local_value_internal): New methods.
4288         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4289         body into private version of Sized_relobj::compute_final_local_value.
4290         Call the inline method.
4291         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4292         merged symbol value if there is one.
4293         (Symbol_value::has_output_value): New method defintiion.
4294         (Sized_relobj::Compute_final_local_value_status): New enum type.
4295         (Sized_relobj::compute_final_local_value): New methods.
4296         (Sized_relobj::compute_final_local_value_internal): New methods.
4297         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4298         and arm_cortex_a8.sh.
4299         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4300         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4301         New tests.
4302         * Makefile.in: Regenerate.
4303         * testsuite/arm_bl_out_of_range.s: Update test.
4304         * testsuite/thumb_bl_out_of_range.s: Ditto.
4305         * testsuite/thumb_blx_out_of_range.s: Ditto.
4306         * testsuite/arm_branch_out_of_range.sh: New file.
4307         * testsuite/arm_cortex_a8.sh: Ditto.
4308         * testsuite/arm_cortex_a8_b.s: Ditto.
4309         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4310         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4311         * testsuite/arm_cortex_a8_bl.s: Ditto.
4312         * testsuite/arm_cortex_a8_blx.s: Ditto.
4313         * testsuite/arm_cortex_a8_local.s: Ditto.
4314         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4315         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4316
4317 2010-09-08  Rafael Espindola  <espindola@google.com>
4318
4319         * Makefile.am (memory_test.stdout): Run readelf with -W.
4320         * Makefile.in: Regenerate.
4321         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4322         64 bit output.
4323
4324 2010-09-08  Rafael Espindola  <espindola@google.com>
4325
4326         * script-sections.cc (Script_sections::add_memory_region): Convert
4327         field precision to int.
4328         * script.cc (script_set_section_region, script_set_section_region):
4329         Convert field precision to int.
4330
4331 2010-09-08  Rafael Espindola  <espindola@google.com>
4332
4333         * arm.cc (do_finalize_sections): Create the __exidx_start and
4334         __exdix_end symbols even when the section is missing.
4335
4336 2010-09-08  Nick Clifton  <nickc@redhat.com>
4337
4338         * README: Remove claim that MEMORY is not supported.
4339         * expression.cc (script_exp_function_origin)
4340         (script_exp_function_length): Move from here to ...
4341         * script.cc: ... here.
4342         (script_set_section_region, script_add_memory)
4343         (script_parse_memory_attr, script_include_directive): New
4344         functions.
4345         * script-sections.cc
4346         (class Memory_region): New class.
4347         (class Output_section_definition): Add set_memory_region,
4348         set_section_vma, set_section_lma and get_section_name methods.
4349         (class Script_Sections): Add add_memory_region,
4350         find_memory_region, find_memory_region_origin,
4351         find_memory_region_length and set_memory_region methods.
4352         Have set_section_addresses method walk the list of set memory
4353         regions.
4354         Extend the print methos to display memory regions.
4355         * script-sections.h: Add prototypes for new methods.
4356         Add enum for MEMORY region attributes.
4357         * yyscript.y: Add support for parsing MEMORY regions.
4358         * script-c.h: Add prototypes for new functions.
4359         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4360         * testsuite/Makefile.in: Regenerate.
4361         * testsuite/memory_test.sh: New script.
4362         * testsuite/memory_test.s: New assembler source file.
4363         * testsuite/memory_test.t: New linker script.
4364
4365 2010-08-27  Doug Kwan  <dougkwan@google.com>
4366
4367         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4368         reference override an existing dynamic weak reference.
4369         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4370         * testsuite/Makefile.in: Regenerate.
4371         * testsuite/dyn_weak_ref.sh: New file.
4372         * testsuite/dyn_weak_ref_1.c: Ditto.
4373         * testsuite/dyn_weak_ref_2.c: Ditto.
4374
4375 2010-08-27  Ian Lance Taylor  <iant@google.com>
4376
4377         * incremental.h (class Incremental_input_entry): Add virtual
4378         destructor.
4379
4380 2010-08-27  Ian Lance Taylor  <iant@google.com>
4381
4382         * testsuite/start_lib_test_3.c: Mark t3 as used.
4383
4384 2010-08-27  Nick Clifton  <nickc@redhat.com>
4385
4386         * options.cc (version_script): Fix small typo in previous
4387         whitespace tidyup.
4388
4389 2010-08-25  Nick Clifton  <nickc@redhat.com>
4390
4391         * archive.cc: Formatting fixes: Remove whitespace between
4392         typename and following asterisk.  Remove whitespace between
4393         function name and opening parenthesis.
4394         * archive.h: Likewise.
4395         * arm.cc: Likewise.
4396         * attributes.cc: Likewise.
4397         * attributes.h: Likewise.
4398         * common.cc: Likewise.
4399         * copy-relocs.cc: Likewise.
4400         * dirsearch.h: Likewise.
4401         * dynobj.cc: Likewise.
4402         * ehframe.cc: Likewise.
4403         * ehframe.h: Likewise.
4404         * expression.cc: Likewise.
4405         * fileread.cc: Likewise.
4406         * fileread.h: Likewise.
4407         * gc.h: Likewise.
4408         * gold-threads.cc: Likewise.
4409         * gold.cc: Likewise.
4410         * i386.cc: Likewise.
4411         * icf.h: Likewise.
4412         * incremental-dump.cc: Likewise.
4413         * incremental.cc: Likewise.
4414         * layout.cc: Likewise.
4415         * layout.h: Likewise.
4416         * main.cc: Likewise.
4417         * merge.cc: Likewise.
4418         * merge.h: Likewise.
4419         * object.cc: Likewise.
4420         * object.h: Likewise.
4421         * options.cc: Likewise.
4422         * options.h: Likewise.
4423         * output.cc: Likewise.
4424         * output.h: Likewise.
4425         * plugin.cc: Likewise.
4426         * plugin.h: Likewise.
4427         * powerpc.cc: Likewise.
4428         * reloc.cc: Likewise.
4429         * script-c.h: Likewise.
4430         * script-sections.cc: Likewise.
4431         * script.cc: Likewise.
4432         * stringpool.cc: Likewise.
4433         * symtab.cc: Likewise.
4434         * symtab.h: Likewise.
4435         * target.cc: Likewise.
4436         * timer.cc: Likewise.
4437         * timer.h: Likewise.
4438         * version.cc: Likewise.
4439         * x86_64.cc: Likewise.
4440
4441 2010-08-24  Nick Clifton  <nickc@redhat.com>
4442
4443         PR 11899
4444         * layout.cc (segment_precedes): Sort segments by their physical
4445         addresses, if they have been set.
4446
4447 2010-08-23  Cary Coutant  <ccoutant@google.com>
4448
4449         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4450         symbols data.
4451         (Lib_group::include_member): Unlock object after deleting its
4452         symbols data.
4453         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4454         the bug fixed here.
4455
4456 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4457             Cary Coutant  <ccoutant@google.com>
4458
4459         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4460         constructor, and set_blocker.
4461         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4462         readsyms_blocker_.
4463         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4464         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4465         * testsuite/Makefile.am (start_lib_test): New test case.
4466         * testsuite/Makefile.in: Regenerate.
4467         * testsuite/start_lib_test_main.c: New file.
4468         * testsuite/start_lib_test_1.c: New file.
4469         * testsuite/start_lib_test_2.c: New file.
4470         * testsuite/start_lib_test_3.c: New file.
4471
4472 2010-08-19  Ian Lance Taylor  <iant@google.com>
4473
4474         * Makefile.in: Rebuild with automake 1.11.1.
4475         * aclocal.m4: Likewise.
4476         * testsuite/Makefile.in: Likewise.
4477
4478 2010-08-19  Ian Lance Taylor  <iant@google.com>
4479
4480         PR 10893
4481         * i386.cc (class Output_data_plt_i386): Update declarations.
4482         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4483         local_ifuncs_ fields.
4484         (Target_i386::do_plt_section_for_global): New function.
4485         (Target_i386::do_plt_section_for_local): New function.
4486         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4487         parameter; change all callers.  Initialize global_ifuncs_ and
4488         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4489         __rel_iplt_end.
4490         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4491         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4492         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4493         symbols.
4494         (Target_i386::make_plt_section): New function, broken out of
4495         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4496         (Target_i386::make_plt_entry): Call make_plt_section.
4497         (Target_i386::make_local_ifunc_plt_entry): New function.
4498         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4499         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4500         R_386_IRELATIVE to switch.
4501         (Target_i386::Scan::global): Likewise.
4502         (Target_i386::Relocate::relocate): Likewise.
4503         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4504         switch.
4505         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4506         (Target_x86_64::do_plt_section_for_global): New function.
4507         (Target_x86_64::do_plt_section_for_local): New function.
4508         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4509         parameter; change all callers.  If doing a static link define
4510         __rela_iplt_start and __rela_iplt_end.
4511         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4512         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4513         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4514         to point to .plt.
4515         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4516         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4517         switch.
4518         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4519         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4520         R_X86_64_IRELATIVE to switch.
4521         (Target_x86_64::Scan::global): Likewise.
4522         (Target_x86_64::Relocate::relocate): Likewise.
4523         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4524         switch.
4525         * target.h (class Target): Add plt_section_for_global and
4526         plt_section_for_local functions.  Add do_plt_section_for_global
4527         and do_plt_section_for_local virtual functions.
4528         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4529         clarifying comments.
4530         (Symbol::use_plt_offset): Handle IFUNC symbol.
4531         * object.cc (Sized_relobj::Sized_relobj): Initialize
4532         local_plt_offsets_.
4533         (Sized_relobj::local_has_plt_offset): New function.
4534         (Sized_relobj::local_plt_offset): New function.
4535         (Sized_relobj::set_local_plt_offset): New function.
4536         (Sized_relobj::do_count): Handle IFUNC symbol.
4537         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4538         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4539         is_ifunc_symbol functions.
4540         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4541         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4542         local_plt_offsets_ field.
4543         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4544         * output.h (class Output_section_data): Add non-const
4545         output_section function.
4546         (class Output_data_got): Update declarations.
4547         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4548         Add use_plt_offset parameter to global and local constructors.
4549         Change all callers.  Change local_sym_index_ field to 31 bits.
4550         Change GSYM_CODE and CONSTANT_CODE accordingly.
4551         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4552         doing a static link don't set sh_link field.
4553         (Output_data_got::Got_entry::write): Use PLT offset if
4554         appropriate.
4555         (Output_data_got::add_global_plt): New function.
4556         (Output_data_got::add_local_plt): New function.
4557         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4558         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4559         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4560         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4561         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4562         IFUNC conditional.
4563         * testsuite/ifunc-sel.h: New file.
4564         * testsuite/ifuncmain1.c: New file.
4565         * testsuite/ifuncmain1vis.c: New file.
4566         * testsuite/ifuncmod1.c: New file.
4567         * testsuite/ifuncdep2.c: New file.
4568         * testsuite/ifuncmain2.c: New file.
4569         * testsuite/ifuncmain3.c: New file.
4570         * testsuite/ifuncmod3.c: New file.
4571         * testsuite/ifuncmain4.c: New file.
4572         * testsuite/ifuncmain5.c: New file.
4573         * testsuite/ifuncmod5.c: New file.
4574         * testsuite/ifuncmain6pie.c: New file.
4575         * testsuite/ifuncmod6.c: New file.
4576         * testsuite/ifuncmain7.c: New file.
4577         * configure, testsuite/Makefile.in: Rebuild.
4578
4579 2010-08-18  Ian Lance Taylor  <iant@google.com>
4580
4581         * incremental.cc
4582         (Output_section_incremental_inputs::write_input_files): Add cast
4583         to avoid signed/unsigned comparison warning.
4584         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4585
4586 2010-08-12  Cary Coutant  <ccoutant@google.com>
4587
4588         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4589
4590 2010-08-13  Ian Lance Taylor  <iant@google.com>
4591
4592         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4593
4594 2010-08-12  Cary Coutant  <ccoutant@google.com>
4595             Doug Kwan  <dougkwan@google.com>
4596
4597         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4598         defintion overrides non-weak undef, remember that the original undef
4599         is not weak.
4600         * symtab.cc (Symbol_table::sized_write_global): For undef without
4601         an original weak binding, set binding to global in output.
4602         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4603         * testsuite/Makefile.in: Regenerate.
4604         * testsuite/strong_ref_weak_def.sh: New file.
4605         * testsuite/strong_ref_weak_def_1.c: Ditto.
4606         * testsuite/strong_ref_weak_def_2.c: Ditto.
4607
4608 2010-08-12  Cary Coutant  <ccoutant@google.com>
4609
4610         * testsuite/incremental_test.sh: Rewrite.
4611         * testsuite/incremental_test_1.c: Rewrite.
4612         * testsuite/incremental_test_2.c: Rewrite.
4613
4614 2010-08-12  Cary Coutant  <ccoutant@google.com>
4615
4616         * arm.cc (Target_arm::got_size): Add const.
4617         (Target_arm::got_entry_count): New function.
4618         (Target_arm::plt_entry_count): New function.
4619         (Target_arm::first_plt_entry_offset): New function.
4620         (Target_arm::plt_entry_size): New function.
4621         (Output_data_plt_arm::entry_count): New function.
4622         (Output_data_plt_arm::first_plt_entry_offset): New function.
4623         (Output_data_plt_arm::get_plt_entry_size): New function.
4624         * i386.cc (Target_i386::got_size): Add const.
4625         (Target_i386::got_entry_count): New function.
4626         (Target_i386::plt_entry_count): New function.
4627         (Target_i386::first_plt_entry_offset): New function.
4628         (Target_i386::plt_entry_size): New function.
4629         (Output_data_plt_i386::entry_count): New function.
4630         (Output_data_plt_i386::first_plt_entry_offset): New function.
4631         (Output_data_plt_i386::get_plt_entry_size): New function.
4632         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4633         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4634         * incremental.cc: Include target.h.
4635         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4636         parameter.  Adjust all callers.  Find incremental_got_plt section.
4637         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4638         section.
4639         (Output_section_incremental_inputs::set_final_data_size): Calculate
4640         size of incremental_got_plt section.
4641         (Output_section_incremental_inputs::do_write): Write the
4642         incremental_got_plt section.
4643         (Got_plt_view_info): New struct.
4644         (Local_got_offset_visitor): New class.
4645         (Global_got_offset_visitor): New class.
4646         (Global_symbol_visitor_got_plt): New class.
4647         (Output_section_incremental_inputs::write_got_plt): New function.
4648         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4649         Add parameter.  Adjust all callers.
4650         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4651         (Incremental_inputs::got_plt_section): New function.
4652         (Incremental_inputs::got_plt_section_): New data member.
4653         (Incremental_got_plt_reader): New class.
4654         * layout.cc (Layout::create_incremental_info_sections): Add the
4655         incremental_got_plt section.
4656         * object.h (Got_offset_list::get_list): New function.
4657         (Got offset_list::for_all_got_offsets): New function.
4658         (Sized_relobj::local_got_offset_list): New function.
4659         * powerpc.cc (Target_powerpc::got_size): Add const.
4660         (Target_powerpc::got_entry_count): New function.
4661         (Target_powerpc::plt_entry_count): New function.
4662         (Target_powerpc::first_plt_entry_offset): New function.
4663         (Target_powerpc::plt_entry_size): New function.
4664         (Output_data_plt_powerpc::entry_count): New function.
4665         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4666         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4667         * sparc.cc (Target_sparc::got_size): Add const.
4668         (Target_sparc::got_entry_count): New function.
4669         (Target_sparc::plt_entry_count): New function.
4670         (Target_sparc::first_plt_entry_offset): New function.
4671         (Target_sparc::plt_entry_size): New function.
4672         (Output_data_plt_sparc::entry_count): New function.
4673         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4674         (Output_data_plt_sparc::get_plt_entry_size): New function.
4675         * symtab.h (Symbol::got_offset_list): New function.
4676         (Symbol_table::for_all_symbols): New function.
4677         * target.h (Sized_target::got_entry_count): New function.
4678         (Sized_target::plt_entry_count): New function.
4679         (Sized_target::plt_entry_size): New function.
4680         * x86_64.cc (Target_x86_64::got_size): Add const.
4681         (Target_x86_64::got_entry_count): New function.
4682         (Target_x86_64::plt_entry_count): New function.
4683         (Target_x86_64::first_plt_entry_offset): New function.
4684         (Target_x86_64::plt_entry_size): New function.
4685         (Output_data_plt_x86_64::entry_count): New function.
4686         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4687         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4688
4689 2010-08-12  Cary Coutant  <ccoutant@google.com>
4690
4691         * archive.cc: Include incremental.h.
4692         (Archive::Archive): Initialize incremental_info_.
4693         (Archive::include_member): Record archive members in incremental info.
4694         (Add_archive_symbols::run): Record begin and end of an archive in
4695         incremental info.
4696         (Lib_group::include_member): Record objects in incremental info.
4697         * archive.h (Incremental_archive_entry): Forward declaration.
4698         (Archive::set_incremental_info): New member function.
4699         (Archive::incremental_info): New member function.
4700         (Archive::Unused_symbol_iterator): New class.
4701         (Archive::unused_symbols_begin): New member function.
4702         (Archive::unused_symbols_end): New member function.
4703         (Archive::incremental_info_): New data member.
4704         * incremental-dump.cc (find_input_containing_global): New function.
4705         (dump_incremental_inputs): Dump new incremental info sections.
4706         * incremental.cc: Include symtab.h.
4707         (Output_section_incremental_inputs): New class.
4708         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4709         new incremental info sections.
4710         (Sized_incremental_binary::do_check_inputs): Likewise.
4711         (Incremental_inputs::report_archive): Remove.
4712         (Incremental_inputs::report_archive_begin): New function.
4713         (Incremental_inputs::report_archive_end): New function.
4714         (Incremental_inputs::report_object): New function.
4715         (Incremental_inputs::finalize_inputs): Remove.
4716         (Incremental_inputs::report_input_section): New function.
4717         (Incremental_inputs::report_script): Rewrite.
4718         (Incremental_inputs::finalize): Do nothing but finalize string table.
4719         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4720         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4721         (Incremental_inputs::create_data_sections): New function.
4722         (Incremental_inputs::relocs_entsize): New function.
4723         (Output_section_incremental_inputs::set_final_data_size): New function.
4724         (Output_section_incremental_inputs::do_write): New function.
4725         (Output_section_incremental_inputs::write_header): New function.
4726         (Output_section_incremental_inputs::write_input_files): New function.
4727         (Output_section_incremental_inputs::write_info_blocks): New function.
4728         (Output_section_incremental_inputs::write_symtab): New function.
4729         * incremental.h (Incremental_script_entry): Forward declaration.
4730         (Incremental_object_entry): Forward declaration.
4731         (Incremental_archive_entry): Forward declaration.
4732         (Incremental_inputs): Forward declaration.
4733         (Incremental_inputs_header_data): Remove.
4734         (Incremental_inputs_header): Remove.
4735         (Incremental_inputs_header_write): Remove.
4736         (Incremental_inputs_entry_data): Remove.
4737         (Incremental_inputs_entry): Remove.
4738         (Incremental_inputs_entry_write): Remove.
4739         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4740         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4741         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4742         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4743         Likewise.
4744         (Incremental_input_entry): New class.
4745         (Incremental_script_entry): New class.
4746         (Incremental_object_entry): New class.
4747         (Incremental_archive_entry): New class.
4748         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4749         (Incremental_inputs::report_inputs): Remove.
4750         (Incremental_inputs::report_archive): Remove.
4751         (Incremental_inputs::report_archive_begin): New function.
4752         (Incremental_inputs::report_archive_end): New function.
4753         (Incremental_inputs::report_object): Change prototype.
4754         (Incremental_inputs::report_input_section): New function.
4755         (Incremental_inputs::report_script): Change prototype.
4756         (Incremental_inputs::get_reloc_count): New function.
4757         (Incremental_inputs::set_reloc_count): New function.
4758         (Incremental_inputs::create_data_sections): New function.
4759         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4760         (Incremental_inputs::inputs_section): New function.
4761         (Incremental_inputs::symtab_section): New function.
4762         (Incremental_inputs::relocs_section): New function.
4763         (Incremental_inputs::get_stringpool): Add const.
4764         (Incremental_inputs::command_line): Add const.
4765         (Incremental_inputs::inputs): Remove.
4766         (Incremental_inputs::command_line_key): New function.
4767         (Incremental_inputs::input_file_count): New function.
4768         (Incremental_inputs::input_files): New function.
4769         (Incremental_inputs::relocs_entsize): New function.
4770         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4771         (Incremental_inputs::finalize_inputs): Remove.
4772         (Incremental_inputs::Input_info): Remove.
4773         (Incremental_inputs::lock_): Remove.
4774         (Incremental_inputs::inputs_): Change type.
4775         (Incremental_inputs::inputs_map_): Remove.
4776         (Incremental_inputs::current_object_entry_): New data member.
4777         (Incremental_inputs::inputs_section_): New data member.
4778         (Incremental_inputs::symtab_section_): New data member.
4779         (Incremental_inputs::relocs_section_): New data member.
4780         (Incremental_inputs::reloc_count_): New data member.
4781         (Incremental_inputs_reader): New class.
4782         (Incremental_symtab_reader): New class.
4783         (Incremental_relocs_reader): New class.
4784         * layout.cc (Layout::finalize): Move finalization of incremental info
4785         and creation of incremental info sections to follow finalization of
4786         symbol table.  Set offsets for postprocessing sections.
4787         (Layout::create_incremental_info_sections): Call
4788         Incremental_inputs::create_data_sections.  Add incremental symtab
4789         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4790         sections to layout after input sections.
4791         * layout.h (struct Timespec): Forward declaration.
4792         (Layout::incremental_inputs): Add const.
4793         (Layout::create_incremental_info_sections): Add parameter.
4794         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4795         * object.cc: Include incremental.h.
4796         (Relobj::finalize_incremental_relocs): New function.
4797         (Sized_relobj::do_layout): Record input sections in incremental info.
4798         * object.h (Object::output_section): New function.
4799         (Object::output_section_offset): Moved from Relobj.
4800         (Object::get_incremental_reloc_base): New function.
4801         (Object::get_incremental_reloc_count): New function.
4802         (Object::do_output_section): New function.
4803         (Object::do_output_section_offset): Moved from Relobj.
4804         (Object::do_get_incremental_reloc_base): New function.
4805         (Object::do_get_incremental_reloc_count): New function.
4806         (Object::Object): Initialize new data members.
4807         (Relobj::output_section): Renamed do_output_section and moved to
4808         protected.
4809         (Relobj::output_section_offset): Moved to Object.
4810         (Relobj::do_get_incremental_reloc_base): New function.
4811         (Relobj::do_get_incremental_reloc_count): New function.
4812         (Relobj::allocate_incremental_reloc_counts): New function.
4813         (Relobj::count_incremental_reloc): New function.
4814         (Relobj::finalize_incremental_relocs): New function.
4815         (Relobj::next_incremental_reloc_index): New function.
4816         (Relobj::reloc_counts_): New data member.
4817         (Relobj::reloc_bases_): New data member.
4818         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4819         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4820         (Sized_relobj::incremental_relocs_scan): New function.
4821         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4822         (Sized_relobj::incremental_relocs_write): New function.
4823         (Sized_relobj::incremental_relocs_write_reltype): New function.
4824         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4825         incremental link.
4826         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4827         archives and object files elsewhere.
4828         (Add_symbols::run): Report object files here.
4829         (Finish_group::run): Report end of archive at end of group.
4830         * reloc.cc: Include layout.h, incremental.h.
4831         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4832         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4833         (Sized_relobj::incremental_relocs_scan): New function.
4834         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4835         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4836         (Sized_relobj::incremental_relocs_write): New function.
4837         (Sized_relobj::incremental_relocs_write_reltype): New function.
4838         * script.cc (read_input_script): Rewrite test for incremental link.
4839         Change call to Incremental_inputs::report_script.
4840         * symtab.h (Symbol_table::first_global_index): New function.
4841         (Symbol_table::output_count): New function.
4842
4843 2010-08-12  Doug Kwan  <dougkwan@google.com>
4844
4845         * arm.cc (Target_arm::merge_object_attributes): Check command line
4846         options --no-wchar-size-warning and --no-enum-size-warning.
4847         * options.h (General_options): Add ld-compatible options
4848         --no-enum-size-warning and --no-wchar-size-warning.
4849
4850 2010-08-04  Ian Lance Taylor  <iant@google.com>
4851
4852         * x86_64.cc (Target_x86_64::Scan::local): Use
4853         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4854         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4855         (Target_x86_64::Scan::global): Likewise.
4856         (Target_x86_64::Relocate::relocate): Likewise.
4857         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4858         Likewise.
4859
4860 2010-08-03  Cary Coutant  <ccoutant@google.com>
4861
4862         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4863         to reserve space in merged_strings vector. Keep total input size
4864         for stats.
4865         (Output_merge_string::do_print_merge_stats): Print total input size.
4866         * merge.h (Output_merge_string): Add input_size_ field.
4867         * stringpool.cc (Stringpool_template::string_length): Move
4868         implementations out of Stringpool_template class and place in
4869         stringpool.h.
4870         * stringpool.h (string_length): Move out of Stringpool_template.
4871
4872 2010-08-03  Ian Lance Taylor  <iant@google.com>
4873
4874         PR 11712
4875         * layout.cc (relaxation_loop_body): If address of load segment is
4876         set, adjust address to include headers if possible.
4877
4878 2010-08-03  Ian Lance Taylor  <iant@google.com>
4879
4880         * version.cc (version_string): Bump to 1.10.
4881
4882 2010-08-03  Ian Lance Taylor  <iant@google.com>
4883
4884         PR 11805
4885         * layout.h (enum Output_section_order): Define.
4886         (class Layout): Update declarations.
4887         * layout.cc (Layout::get_output_section): Add order parameter.
4888         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4889         is_first_non_relro parameters.  Change all callers.
4890         (Layout::choose_output_section): Likewise.
4891         (Layout::add_output_section_data): Likewise.
4892         (Layout::make_output_section): Likewise.  Set order.
4893         (Layout::default_section_order): New function.
4894         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4895         * output.cc (Output_section::Output_section): Initialize order_.
4896         Don't initialize deleted fields.
4897         (Output_segment::Output_segment): Don't initialize deleted
4898         fields.
4899         (Output_segment::add_output_section_to_load): New function
4900         replacing add_output_section.  Change all callers to call this or
4901         add_output_section_to_nonload.
4902         (Output_segment::add_output_section_to_nonload): New function.
4903         (Output_segment::remove_output_section): Rewrite.
4904         (Output_segment::add_initial_output_data): Likewise.
4905         (Output_segment::has_any_data_sections): Likewise.
4906         (Output_segment::is_first_section_relro): Likewise.
4907         (Output_segment::maximum_alignment): Likewise.
4908         (Output_segment::has_dynamic_reloc): New function replacing
4909         dynamic_reloc_count.  Change all callers.
4910         (Output_segment::has_dynamic_reloc_list): New function replacing
4911         dynamic_reloc_count_list.  Change all callers.
4912         (Output_segment::set_section_addresses): Rewrite.
4913         (Output_segment::set_offset): Rewrite.
4914         (Output_segment::find_first_and_last_list): Remove.
4915         (Output_segment::set_tls_offsets): Rewrite.
4916         (Output_segment::first_section_load_address): Likewise.
4917         (Output_segment::output_section_count): Likewise.
4918         (Output_segment::section_with_lowest_load_address): Likewise.
4919         (Output_segment::write_section_headers): Likewise.
4920         (Output_segment::print_sections_to_map): Likewise.
4921         * output.h (class Output_data): Remove dynamic_reloc_count_
4922         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4923         (Output_data::add_dynamic_reloc): Rewrite.
4924         (Output_data::has_dynamic_reloc): New function.
4925         (Output_data::dynamic_reloc_count): Remove.
4926         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4927         is_last_relro_, is_first_non_relro_, is_interp_,
4928         is_dynamic_linker_section_ fields.  Add order and set_order
4929         functions.  Remove is_relro_local, set_is_relro_local,
4930         is_last_relro, set_is_last_relro, is_first_non_relro,
4931         set_is_first_non_relro functions, is_interp, set_is_interp,
4932         is_dynamic_linker_section, and set_is_dynamic_linker_section
4933         functions.
4934         (class Output_segment): Change Output_data_list from std::list to
4935         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4936         output_bss_ fields.  Update declarations.
4937
4938 2010-08-02  Ian Lance Taylor  <iant@google.com>
4939
4940         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4941         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4942         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4943
4944 2010-08-02  Ian Lance Taylor  <iant@google.com>
4945
4946         PR 11855
4947         * script.cc (Script_options::Script_options): Initialize
4948         symbol_definitions_ and symbol_references_.
4949         (Script_options::add_symbol_assignment): Update
4950         symbol_definitions_ and symbol_references_.
4951         (Script_options::add_symbol_reference): New function.
4952         (script_symbol): New function.
4953         * script.h (class Script_options): Add symbol_definitions_ and
4954         symbol_references_ fields.
4955         (Script_options::referenced_const_iterator): New type.
4956         (Script_options::referenced_begin): New function.
4957         (Script_options::referenced_end): New function.
4958         (Script_options::is_referenced): New function.
4959         (Script_options::any_unreferenced): New function.
4960         * script-c.h (script_symbol): Declare.
4961         * yyscript.y (exp): Call script_symbol.
4962         * symtab.cc: Include "script.h".
4963         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4964         Change all callers.  Check symbols referenced by scripts.
4965         (Symbol_table::add_undefined_symbols_from_command_line): Add
4966         layout parameter.  Change all callers.
4967         (Symbol_table::do_add_undefined_symbols_from_command_line):
4968         Likewise.  Break out loop body.  Check symbols referenced by
4969         scripts.
4970         (Symbol_table::add_undefined_symbol_from_command_line): New
4971         function broken out of
4972         do_add_undefined_symbols_from_command_line.
4973         * symtab.h (class Symbol_table): Update declarations.
4974         * archive.cc: Include "layout.h".
4975         (Archive::should_include_member): Add layout parameter.  Change
4976         all callers.  Check for symbol mentioned in expression.
4977         * archive.h (class Archive): Update declaration.
4978         * object.cc (Sized_relobj::do_should_include_member): Add layout
4979         parameter.
4980         * object.h (Object::should_include_member): Add layout parameter.
4981         Change all callers.
4982         (Object::do_should_include_member): Add layout parameter.
4983         (class Sized_relobj): Update declaration.
4984         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4985         parameter.
4986         * dynobj.h (class Sized_dynobj): Update declaration.
4987         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4988         layout parameter.
4989         * plugin.h (class Sized_pluginobj): Update declaration.
4990
4991 2010-08-02  Ian Lance Taylor  <iant@google.com>
4992
4993         PR 11866
4994         * output.cc (Output_segment::set_offset): Search for the first and
4995         last sections rather than assuming that the list is in order.
4996         (Output_segment::find_first_and_last_list): New function.
4997         * output.h (class Output_segment): Update declarations.
4998         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4999         (relro_strip_test_SOURCES): New variable.
5000         (relro_strip_test_DEPENDENCIES): New variable.
5001         (relro_strip_test_LDFLAGS): New variable.
5002         (relro_strip_test_LDADD): New variable.
5003         (relro_strip_test.so): New target.
5004
5005 2010-08-02  Ian Lance Taylor  <iant@google.com>
5006
5007         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5008         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5009         (Target_i386::got_tlsdesc_section): New function.
5010         (Target_i386::got_section): Create space for GOT entries for
5011         TLSDESC relocations.
5012         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5013         R_386_TLS_GOTDESC.
5014         (Target_i386::Scan::global): Likewise.
5015         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5016         using TLSDESC GOT.
5017         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5018         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5019         (Target_x86_64::got_tlsdesc_section): New function.
5020         (Target_x86_64::got_section): Create space for GOT entries for
5021         TLSDESC relocations.
5022         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5023         R_386_TLS_GOTDESC.
5024         (Target_x86_64::Scan::global): Likewise.
5025         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5026         using TLSDESC GOT.
5027
5028 2010-08-02  Ian Lance Taylor  <iant@google.com>
5029
5030         * testsuite/final_layout.sh: Use dc to convert from hex to
5031         decimal.
5032
5033 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5034
5035         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5036         paramter to the call to gold::gc_process_relocs.
5037         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5038         paramter to the call to gold::gc_process_relocs.
5039         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5040         parameter to the call to gold::gc_process_relocs.
5041         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5042         template parameter to the call to gold::gc_process_relocs.
5043         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5044         paramter to the call to gold::gc_process_relocs.
5045         * gc.h (get_embedded_addend_size): New function.
5046         (gc_process_relocs): Save the size of the reloc for use by ICF.
5047         * icf.cc (get_section_contents): Get the addend from the text section
5048         for SHT_REL relocation sections.
5049         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5050         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5051         * int_encoding.h (read_from_pointer): New overloaded function.
5052         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5053         * testsuite/icf_sht_rel_addend_test.sh: New file.
5054         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5055         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5056
5057 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5058
5059         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5060         * Makefile.in: Regenerate.
5061         * testsuite/Makefile.in: Regenerate.
5062
5063 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5064
5065         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5066         * gold/testsuite/debug_msg.cc: Likewise.
5067         * gold/testsuite/odr_violation1.cc
5068         * gold/testsuite/odr_violation2.cc
5069
5070 2010-07-21  Cary Coutant  <ccoutant@google.com>
5071
5072         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5073         string, and length fields.
5074         (Output_merge_string::Merged_strings_list): New type.
5075         (Output_merge_string::Merged_strings_lists): New typedef.
5076         (Output_merge_string): Replace merged_strings_ with
5077         merged_strings_lists_.
5078         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5079         Merged_strings_list per input object and section.  Don't store pointer
5080         to the string.  Don't store length with each merged string entry.
5081         (Output_merge_string::finalize_merged_data): Loop over list of merged
5082         strings lists.  Recompute length of each merged string.
5083
5084 2010-07-15  Cary Coutant  <ccoutant@google.com>
5085
5086         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5087         here.
5088
5089 2010-07-14  Ian Lance Taylor  <iant@google.com>
5090
5091         * descriptors.cc (Descriptors::open): Report correct name in error
5092         message.
5093
5094 2010-07-13  Doug Kwan  <dougkwan@google.com>
5095
5096         * arm.cc (Arm_input_section::Arm_input_section): For a
5097         SHT_ARM_EXIDX section, always keeps the input sections.
5098         (Arm_input_section::set_exidx_section_link): New method.
5099         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5100         has_errors_ to false.
5101         (Arm_exidx_input_section::has_errors,
5102         Arm_exidx_input_section::set_has_errors): New methods.
5103         (Arm_exidx_input_section::has_errors_): New data member.
5104         (Arm_relobj::get_exidx_shndx_list): New method.
5105         (Arm_output_section::append_text_sections_to_list): Do not skip
5106         section without SHF_EXECINSTR.
5107         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5108         errors.
5109         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5110         section header.  Make error messages more verbose.  Check for
5111         a non-executable section linked to an EXIDX section.
5112         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5113         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5114         check that there is no deferred EXIDX section if we exit early.
5115         Instead of not making an EXIDX section in case of an error, make one
5116         and set the has_errors flag of it.
5117         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5118         in a relocatable link.
5119         (Target_arm::do_relax): Look for the EXIDX output section instead of
5120         assuming that it is called .ARM.exidx.
5121         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5122         section list.  Do not check for SHF_EXECINSTR section flags but
5123         skip any input section with errors.
5124         * output.cc (Output_section::Output_section): Initialize
5125         always_keeps_input_sections_ to false.
5126         (Output_section::add_input_section): Check for
5127         always_keeps_input_sections_.
5128         *  output.h (Output_section::always_keeps_input_sections,
5129         Output_section::set_always_keeps_input_sections): New methods.
5130         (Output_section::always_keeps_input_sections): New data member.
5131
5132 2010-07-13  Rafael Espindola  <espindola@google.com>
5133
5134         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5135         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5136
5137 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5138             Ian Lance Taylor  <iant@google.com>
5139
5140         * output.h (Output_section_lookup_maps::add_merge_section):
5141         Correct check of whether value was inserted.
5142         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5143         (Output_section_lookup_maps::add_relaxed_input_section):
5144         Likewise.
5145         * arm.cc (Target_arm::got_section): Remove used local os.
5146         * i386.cc (Target_i386::got_section): Likewise.
5147         * x86_64.cc (Target_x86_64::got_section): Likewise.
5148         * sparc.cc (Target_sparc::got_section): Likewise.
5149         (Target_sparc::relocate): Remove unused local have_got_offset.
5150         * powerpc.cc (Target_powerpc::relocate): Likewise.
5151
5152 2010-07-13  Ian Lance Taylor  <iant@google.com>
5153
5154         * compressed_output.cc (zlib_decompress): Fix signature in
5155         !HAVE_ZLIB_H case.
5156
5157         * archive.cc (Archive::include_member): Unlock an external member
5158         of a thin archive.  Don't bother to delete an object we know is
5159         NULL.
5160
5161 2010-07-12  Cary Coutant  <ccoutant@google.com>
5162
5163         * compressed_output.cc (zlib_decompress): New function.
5164         (get_uncompressed_size): New function.
5165         (decompress_input_section): New function.
5166         * compressed_output.h (get_uncompressed_size): New function.
5167         (decompress_input_section): New function.
5168         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5169         Handle compressed debug sections.
5170         * layout.cc (is_compressed_debug_section): New function.
5171         (Layout::output_section_name): Map compressed section names to
5172         canonical names.
5173         * layout.h (is_compressed_debug_section): New function.
5174         (is_debug_info_section): Recognize compressed debug sections.
5175         * merge.cc: Include compressed_output.h.
5176         (Output_merge_data::do_add_input_section): Handle compressed
5177         debug sections.
5178         (Output_merge_string::do_add_input_section): Handle compressed
5179         debug sections.
5180         * object.cc: Include compressed_output.h.
5181         (Sized_relobj::Sized_relobj): Initialize new data members.
5182         (build_compressed_section_map): New function.
5183         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5184         * object.h (Object::section_is_compressed): New method.
5185         (Object::do_section_is_compressed): New method.
5186         (Sized_relobj::Compressed_section_map): New type.
5187         (Sized_relobj::do_section_is_compressed): New method.
5188         (Sized_relobj::compressed_sections_): New data member.
5189         * output.cc (Output_section::add_input_section): Handle compressed
5190         debug sections.
5191         * reloc.cc: Include compressed_output.h.
5192         (Sized_relobj::write_sections): Handle compressed debug sections.
5193
5194 2010-07-08  Cary Coutant  <ccoutant@google.com>
5195
5196         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5197         weak when resolving to a dynamic def.
5198         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5199         for weak undef/dynamic def cases. Adjust callers.
5200         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5201         undef_binding_weak_.
5202         (Symbol_table::sized_write_globals): Adjust symbol binding.
5203         (Symbol_table::sized_write_symbol): Add binding parameter.
5204         * symtab.h (Symbol::set_undef_binding): New method.
5205         (Symbol::is_undef_binding_weak): New method.
5206         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5207         (Symbol_table::should_override): Add new parameter.
5208         (Symbol_table::sized_write_symbol): Add new parameter.
5209
5210         * testsuite/weak_undef_file1.cc: Add new test case.
5211         * testsuite/weak_undef_file2.cc: Fix header comment.
5212         * testsuite/weak_undef_test.cc: Add new test case.
5213
5214 2010-06-29  Doug Kwan  <dougkwan@google.com>
5215
5216         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5217         Initialize USE_SYMBOL_.
5218         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5219         definition.
5220         (Arm_reloc_property::uses_symbol_): New data member declaration.
5221         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5222         uses symbol value and symbol is undefined but not weakly undefined.
5223
5224 2010-06-28  Rafael Espindola  <espindola@google.com>
5225
5226         * plugin.cc (Plugin::load): Use dlerror.
5227
5228 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5229
5230         * symtab.cc (detect_odr_violations): When reporting an ODR
5231         violation, report an object where the symbol is defined.
5232
5233 2010-06-25  Doug Kwan  <dougkwan@google.com>
5234
5235         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5236         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5237         definition.
5238         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5239         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5240         target hook to detect function points.
5241         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5242         * icf.h (Icf::check_section_for_function_pointers): Change type of
5243         parameter SECTION_NAME to const reference to std::string.  Use
5244         target hook to determine if section may have unsafe pointers.
5245         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5246         method definition.
5247
5248 2010-06-21  Rafael Espindola  <espindola@google.com>
5249
5250         * fileread.cc (Input_file::find_fie): New
5251         (Input_file::open): Use Input_file::find_fie.
5252         * fileread.h (Input_file::find_fie): New
5253         * plugin.cc (set_extra_library_path): New.
5254         (Plugin::load): Add set_extra_library_path to the transfer vector.
5255         (Plugin_manager::set_extra_library_path): New.
5256         (Plugin_manager::add_input_file): Use the extra search path if set.
5257         (set_extra_library_path(): New.
5258         * plugin.h (Plugin_manager): Add set_extra_library_path and
5259         extra_search_path_.
5260
5261 2010-06-19  Cary Coutant  <ccoutant@google.com>
5262
5263         * layout.cc (gdb_sections): Add .debug_types.
5264         (lines_only_debug_sections): Likewise.
5265
5266 2010-06-18  Rafael Espindola  <espindola@google.com>
5267
5268         * plugin.cc (add_input_file,add_input_library)
5269         (Plugin_manager::add_input_file): Make filename arguments const.
5270         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5271         const.
5272
5273 2010-06-16  Doug Kwan  <dougkwan@google.com>
5274
5275         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5276         .ARM.attributes section if we have not merged any input
5277         attributes sections.
5278
5279 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5280
5281         * arm.cc: Allow combining objects with no EABI version
5282         information.
5283
5284 2010-06-15  Rafael Espindola  <espindola@google.com>
5285
5286         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5287
5288 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5289
5290         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5291         (struct iovec): Correct !HAVE_READV definition.
5292
5293 2010-06-10  Cary Coutant  <ccoutant@google.com>
5294
5295         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5296         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5297         reloc sections.
5298         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5299
5300         PR 11683
5301         * symtab.h (Symbol::is_placeholder): New member function.
5302         * target-reloc.h (relocate_section): Check for placeholder symbols.
5303
5304         * testsuite/Makefile.am (plugin_test_8): New test.
5305         (plugin_test_9): New test.
5306         * testsuite/Makefile.in: Regenerate.
5307
5308 2010-06-09  Nick Clifton  <nickc@redhat.com>
5309
5310         * yyscript.y (input_list_element): Allow strings prefixed with
5311         the '-' character.  Treat these as libraries.
5312         * script.cc (script_add_library): New function.  Adds a library
5313         specified by "-l<name>" found in an input script.
5314         * script-c.h: Add prototype for script_add_library.
5315
5316 2010-06-07  Doug Kwan  <dougkwan@google.com>
5317
5318         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5319         Restrict stub-group size to be within long conditional branch
5320         range when working around cortex-A8 erratum.
5321
5322 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5323
5324         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5325         #ifdef typo.
5326
5327 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5328
5329         PR gold/11658
5330         * output.cc
5331         (Output_section::Input_section_sort_entry::compare_section_ordering):
5332         Change to return non-zero correctly.
5333         (Output_section::Input_section_sort_section_order_index_compare
5334         ::operator()): Change to fix ambiguity in comparisons.
5335
5336 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5337
5338         * gold.h (is_wildcard_string): New function.
5339         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5340         (Layout::layout_eh_frame): Ditto.
5341         (Layout::find_section_order_index): New method.
5342         (Layout::read_layout_from_file): New method.
5343         * layout.h (Layout::find_section_order_index): New method.
5344         (Layout::read_layout_from_file): New method.
5345         (Layout::input_section_position_): New private member.
5346         (Layout::input_section_glob_): New private member.
5347         * main.cc (main): Call read_layout_from_file here.
5348         * options.h (--section-ordering-file): New option.
5349         * output.cc (Output_section::input_section_order_specified_): New
5350         member.
5351         (Output_section::Output_section): Initialize new member.
5352         (Output_section::add_input_section): Add new parameter.
5353         Keep input sections when --section-ordering-file is used.
5354         (Output_section::set_final_data_size): Sort input sections when
5355         section ordering file is specified.
5356         (Output_section::Input_section_sort_entry): Add new parameter.
5357         Check sorting type.
5358         (Output_section::Input_section_sort_entry::compare_section_ordering):
5359         New method.
5360         (Output_section::Input_section_sort_compare::operator()): Change to
5361         consider section_order_index.
5362         (Output_section::Input_section_sort_init_fini_compare::operator()):
5363         Change to consider section_order_index.
5364         (Output_section::Input_section_sort_section_order_index_compare
5365         ::operator()): New method.
5366         (Output_section::sort_attached_input_sections): Change to sort
5367         according to section order when specified.
5368         (Output_section::add_input_section<32, true>): Add new parameter.
5369         (Output_section::add_input_section<64, true>): Add new parameter.
5370         (Output_section::add_input_section<32, false>): Add new parameter.
5371         (Output_section::add_input_section<64, false>): Add new parameter.
5372         * output.h (Output_section::add_input_section): Add new parameter.
5373         (Output_section::input_section_order_specified): New
5374         method.
5375         (Output_section::set_input_section_order_specified): New method.
5376         (Input_section::Input_section): Initialize section_order_index_.
5377         (Input_section::section_order_index): New method.
5378         (Input_section::set_section_order_index): New method.
5379         (Input_section::section_order_index_): New member.
5380         (Input_section::Input_section_sort_section_order_index_compare): New
5381         struct.
5382         (Output_section::input_section_order_specified_): New member.
5383         * script-sections.cc (is_wildcard_string): Delete and move modified
5384         method to gold.h.
5385         (Output_section_element_input::Output_section_element_input): Modify
5386         call to is_wildcard_string.
5387         (Output_section_element_input::Input_section_pattern
5388         ::Input_section_pattern): Ditto.
5389         (Output_section_element_input::Output_section_element_input): Ditto.
5390         * testsuite/Makefile.am (final_layout): New test case.
5391         * testsuite/Makefile.in: Regenerate.
5392         * testsuite/final_layout.cc: New file.
5393         * testsuite/final_layout.sh: New file.
5394
5395 2010-06-01  Rafael Espindola  <espindola@google.com>
5396
5397         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5398
5399 2010-06-01  Rafael Espindola  <espindola@google.com>
5400
5401         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5402         visibility of symbols.
5403
5404 2010-05-27  Doug Kwan  <dougkwan@google.com>
5405
5406         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5407         from start of output section instead of address for a local symbol
5408         in a merged or relaxed section when doing a relocatable link.
5409
5410 2010-05-26  Rafael Espindola  <espindola@google.com>
5411
5412        PR 11604
5413         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5414         adding sections the garbage collector removed.
5415         * gold/testsuite/Makefile.am: Add test.
5416         * gold/testsuite/Makefile.in: Regenerate.
5417         * gold/testsuite/plugin_test_7.sh: New.
5418         * gold/testsuite/plugin_test_7_1.c: New.
5419         * gold/testsuite/plugin_test_7_2.c: New.
5420
5421 2010-05-26  Rafael Espindola  <espindola@google.com>
5422
5423         * script-sections.cc (Output_section_definition::set_section_addresses):
5424         Check for --section-start.
5425
5426 2010-05-26  Doug Kwan  <dougkwan@google.com>
5427
5428         * arm.cc (Arm_scan_relocatable_relocs): New class.
5429         (Target_arm::relocate_special_relocatable): New method.
5430         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5431         (Arm_relocate_functions::thumb_branch_common): Same.
5432         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5433         instead of Default_scan_relocatable_relocs.
5434         * target-reloc.h (relocate_for_relocatable): Let target handle
5435         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5436         * target.h (Sized_target::relocate_special_relocatable): New method.
5437
5438 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5439
5440         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5441
5442 2010-05-23  Doug Kwan  <dougkwan@google.com>
5443
5444         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5445         instead of a cast.
5446         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5447         with a direct branch, not a conditional branch, to a stub.
5448         * merge.cc (Output_merge_base::record_input_section): New method
5449         defintion.
5450         (Output_merge_data::do_add_input_section): Record input section if
5451         keeps-input-sections flag is set.
5452         (Output_merge_string::do_add_input_section): Ditto.
5453         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5454         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5455         INPUT_SECTIONS_.
5456         (Output_merge_base::keeps_input_sections,
5457         Output_merge_base::set_keeps_input_sections,
5458         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5459         method definitions.
5460         (Output_merge_base::Input_sections): New type declaration.
5461         (Output_merge_base::input_sections_begin,
5462         Output_merge_base::input_sections_end,
5463         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5464         (Output_merge_base::bool keeps_input_sections_,
5465         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5466         Output_merge_base::input_sections_): New data members.
5467         (Output_merge_data::do_set_keeps_input_sections): New method
5468         defintion.
5469         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5470         * output.cc (Output_section::Input_section::relobj): Move method
5471         defintion from class declaration to here and handle merge sections.
5472         (Output_section::Input_section::shndx): Ditto.
5473         (Output_section::Output_section): Remove initializations of removed
5474         data members and initialize new data member LOOKUP_MAPS_.
5475         (Output_section::add_input_section): Set keeps-input-sections flag
5476         for a newly created merge output section as appropriate.  Adjust code
5477         to use Output_section_lookup_maps class.
5478         (Output_section::add_relaxed_input_section): Adjst code for lookup
5479         maps code refactoring.
5480         (Output_section::add_merge_input_section): Add a new parameter
5481         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5482         class.  If adding input section to a newly created merge output
5483         section fails, remove the new merge section.
5484         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5485         Adjust code for use of the Output_section_lookup_maps class.
5486         (Output_section::find_merge_section): Ditto.
5487         (Output_section::build_lookup_maps): New method defintion.
5488         (Output_section::find_relaxed_input_section): Adjust code to use
5489         Output_section_lookup_maps class.
5490         (Output_section::get_input_sections): Export merge sections.  Adjust
5491         code to use Output_section_lookup_maps class.
5492         (Output_section:::add_script_input_section): Adjust code to use
5493         Output_section_lookup_maps class.  Update lookup maps for merge
5494         sections also.
5495         (Output_section::discard_states): Use Output_section_lookup_maps.
5496         (Output_section::restore_states): Same.
5497         * output.h (Merge_section_properties): Move class defintion out of
5498         Output_section.
5499         (Output_section_lookup_maps): New class.
5500         (Output_section::Input_section::is_merge_section): New method
5501         defintion.
5502         (Output_section::Input_section::relobj): Move defintion out of class
5503         defintion.  Declare method only.
5504         (Output_section::Input_section::shndx): Ditto.
5505         (Output_section::Input_section::output_merge_base): New method defintion.
5506         (Output_section::Input_section::u2_.pomb): New union field.
5507         (Output_section::Merge_section_by_properties_map,
5508         Output_section::Output_section_data_by_input_section_map,
5509         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5510         Remove types.
5511         (Output_section::add_merge_input_section): Add new parameter
5512         KEEPS_INPUT_SECTIONS.
5513         (Output_section::build_lookup_maps): New method declaration.
5514         (Output_section::merge_section_map_,
5515         Output_section::merge_section_by_properties_map_,
5516         Output_section::relaxed_input_section_map_,
5517         Output_section::is_relaxed_input_section_map_valid_): Remove data
5518         members.
5519         (Output_section::lookup_maps_): New data member.
5520
5521 2010-05-21  Doug Kwan  <dougkwan@google.com>
5522
5523         PR gold/11619
5524         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5525         avoid a compilation error.
5526
5527 2010-05-19  Rafael Espindola  <espindola@google.com>
5528
5529         * script-sections.cc (Output_section_definition::allocate_to_segment):
5530         Update the phdrs_list even when the output section is NULL.
5531         * testsuite/Makefile.am: Add test.
5532         * testsuite/Makefile.in: Regenerate.
5533         * testsuite/script_test_9.cc: New.
5534         * testsuite/script_test_9.sh: New.
5535         * testsuite/script_test_9.t: New.
5536
5537 2010-05-19  Doug Kwan  <dougkwan@google.com>
5538
5539         * arm.cc (Arm_input_section::original_size): New method.
5540         (Arm_input_section::do_addralign): Add a cast.
5541         (Arm_input_section::do_output_offset): Remove static cast.
5542         (Arm_input_section::original_addralign,
5543          Arm_input_section::original_size_): Change type to uint32_t.
5544         (Arm_input_section::init): Add safe casts for section alignment
5545         and size.
5546         (Arm_input_section::set_final_data_size): Do not set address and
5547         offset of stub table.
5548         (Arm_output_section::fix_exidx_coverage): Change use of of
5549         Output_section::Simple_input_section to that of
5550         Output_section::Input_section.
5551         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5552         except for the first pass.
5553         * output.cc (Output_section::get_input_sections): Change type of
5554         input_sections to std::list<Input_section>.
5555         (Output_section::add_script_input_section): Rename from
5556         Output_section::add_simple_input_section.  Change type of SIS
5557         parameter from Simple_input_section to Input_section.
5558         * output.h (Output_section::Simple_input_section): Remove class.
5559         (Output_section::Input_section): Change class visibility to public.
5560         (Output_section::Input_section::addralign): Use stored alignments
5561         for special input sections if set.
5562         (Output_section::Input_section::set_addralign): New method.
5563         (Output_section::get_input_sections): Change parameter type from
5564         list of Simple_input_section to list of Input_section.
5565         (Output_section::add_script_input_section): Rename from
5566         Output_section::add_simple_input_section. Change first parameter's
5567         type from Simple_input_section to Input_section and remove the
5568         second and third parameters.
5569         * script-sections.cc (Input_section::Input_section_list): Change
5570         type to list of Output_section::Input_section/
5571         (Input_section_info::Input_section_info): Change parameter type of
5572         INPUT_SECTION to Output_section::Input_section.
5573         (Input_section_info::input_section): Change return type.
5574         (Input_section_info::input_section_): Change type to
5575         Output_section::Input_section.
5576         (Output_section_element_input::set_section_addresses): Adjust code
5577         to use Output_section::Input_section instead of
5578         Output_section::Simple_input_section.  Adjust code for renaming
5579         of Output_section::add_simple_input_section.
5580         (Orphan_output_section::set_section_addresses): Ditto.
5581
5582 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5583
5584         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5585         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5586
5587 2010-05-18  Rafael Espindola  <espindola@google.com>
5588
5589         * options.cc (General_options::finalize): Handle -nostdlib.
5590         * options.h (nostdlib): New option.
5591         * script.cc (script_add_search_dir): Handle -nostdlib.
5592
5593 2010-05-12  Doug Kwan  <dougkwan@google.com>
5594
5595         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5596         attributes section only if there no attributes section after merging.
5597         (Target_arm::merge_object_attributes): Move value of
5598         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5599         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5600         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5601         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5602         and arm_attr_merge_7.stdout.
5603         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5604         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5605         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5606         arm_attr_merge_7b.o): New rules.
5607         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5608         arm_attr_merge_7
5609         * testsuite/Makefile.in: Regenerate.
5610         * testsuite/arm_attr_merge.sh: New file.
5611         * testsuite/arm_attr_merge_[67][ab].s: Same.
5612
5613 2010-05-05  Nick Clifton  <nickc@redhat.com>
5614
5615         * po/es.po: Updated Spanish translation.
5616
5617 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5618
5619         * Makefile.am (install-exec-local): Properly install gold as
5620         default cross linker.
5621         * Makefile.in: Regenerated.
5622
5623 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5624             Nick Clifton  <nickc@redhat.com>
5625
5626         * configure.ac (install_as_default): Define and set to false
5627         unless --enable-gold or --enable-gold=both/gold has been
5628         specified.
5629         * configure: Regenerate.
5630
5631         * Makefile.am (install-exec-local): Install the executable as
5632         'ld.gold'.  If install_as_default is true then also install it as
5633         'ld'.
5634         * Makefile.in: Regenerated.
5635
5636 2010-04-24  Ian Lance Taylor  <iant@google.com>
5637
5638         * layout.cc (Layout::layout_reloc): In relocatable link don't
5639         combine reloc sections for grouped sections.
5640
5641 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5642
5643         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5644         sections that are not ordinary to icf.
5645         * icf.cc (get_section_contents): Handle relocation pointing to section
5646         with no object or shndx information.
5647         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5648         * testsuite/Makefile.in: Regenerate.
5649         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5650         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5651
5652 2010-04-22  Ian Lance Taylor  <iant@google.com>
5653
5654         * expression.cc (Expression::Expression_eval_info): Add
5655         result_alignment_pointer field.
5656         (Expression::eval_with_dot): Add result_alignment_pointer
5657         parameter.  Change all callers.
5658         (Expression::eval_maybe_dot): Likewise.
5659         (class Binary_expression): Add alignment_pointer parameter to
5660         left_value and right_value.  Change all callers.
5661         (BINARY_EXPRESSION): Set result alignment.
5662         (class Trinary_expression): Add alignment_pointer parameter to
5663         arg2_value and arg3_value.  Change all callers.
5664         (Trinary_cond::value): Set result alignment.
5665         (Max_expression::value, Min_expression::value): Likewise.
5666         (Align_expression::value): Likewise.
5667         * script-sections.cc (class Sections_element): Add dot_alignment
5668         parameter to set_section_addresses virtual function.  Update
5669         instantiations.
5670         (class Output_section_element): Likewise.
5671         (Script_sections::create_segments): Add dot_alignment parameter.
5672         Change all callers.
5673         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5674         (Script_sections::set_phdrs_clause_addresses): Likewise.
5675         * script-sections.h: Update declarations.
5676         * script.h: Update declarations.
5677         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5678         min_p_align.
5679         * testsuite/script_test_3.t: Set large alignment.
5680         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5681         segment has expected alignment.
5682
5683 2010-04-22  Nick Clifton  <nickc@redhat.com>
5684
5685         * po/gold.pot: Updated by the Translation project.
5686         * po/vi.po: Updated Vietnamese translation.
5687
5688 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5689
5690         * testsuite/Makefile.am (check_PROGRAMS): Add
5691         icf_virtual_function_folding_test.
5692         * testsuite/Makefile.in: Regenerated.
5693
5694 2010-04-15  Andrew Haley  <aph@redhat.com>
5695
5696         * options.h (merge_exidx_entries): New option.
5697         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5698         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5699         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5700         (Target_arm::merge_exidx_entries): New function.
5701         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5702         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5703         to Arm_exidx_fixup constructor.
5704         Add new arg, merge_exidx_entries.
5705         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5706         Arm_output_section::fix_exidx_coverage.
5707
5708 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5709
5710         * icf.cc (get_section_contents): Check for preemptible functions.
5711         Ignore addend when appropriate.
5712         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5713         section folded.
5714         (add_from_relobj): Check for section folded.
5715         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5716         * symtab.h (should_add_dynsym_entry): Add new parameter.
5717         * target-reloc.h (scan_relocs): Check for section folded.
5718         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5719         Check reloc types for function pointers in shared objects.
5720         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5721         case.
5722         (icf_preemptible_functions_test): New test case.
5723         (icf_string_merge_test): New test case.
5724         * testsuite.Makefile.in: Regenerate.
5725         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5726         bar_glob.  Refactor code.
5727         * testsuite/icf_preemptible_functions_test.cc: New file.
5728         * testsuite/icf_preemptible_functions_test.sh: New file.
5729         * testsuite/icf_string_merge_test.cc: New file.
5730         * testsuite/icf_string_merge_test.sh: New file.
5731         * testsuite/icf_virtual_function_folding_test.cc: New file.
5732         * testsuite/icf_virtual_function_folding_test.sh: New file.
5733
5734 2010-04-14  Doug Kwan  <dougkwan@google.com>
5735
5736         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5737         for local symbol recounting if we remove a section due to ICF.
5738         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5739         there are no regular objects in input.
5740
5741 2010-04-13  Doug Kwan  <dougkwan@google.com>
5742
5743         * arm.cc (Arm_input_section::set_final_data_size): Compute
5744         accurate final data size instead of using current data size.
5745
5746 2010-04-09  Doug Kwan  <dougkwan@google.com>
5747
5748         * layout.cc (Layout::choose_output_section): Handle script section
5749         types.
5750         (Layout::make_output_section_for_script): Add section type parameter.
5751         Handle script section types.
5752         * layout.h (Layout::make_output_section_for_script): Add section
5753         type parameter.
5754         * output.cc (Output_section::Output_section): Initialize data member
5755         is_noload_.
5756         (Output_section::do_reset_address_and_file_offset): Do not set address
5757         to 0 if section is a NOLOAD section.
5758         * output.h (Output_section::is_noload): New method.
5759         (Output_section::set_is_noload): Ditto.
5760         (Output_section::is_noload_): New data member.
5761         * script-c.h (Script_section_type): New enum type.
5762         (struct Parser_output_section_header): Add new file section_type.
5763         * script-sections.cc (Sections_element::output_section_name): Add
5764         parameter for returning script section type.
5765         (Output_section_definition::output_section_name): Ditto.
5766         (Output_section_definition::section_type)P; New method.
5767         (Output_section_definiton::script_section_type_name): Ditto.
5768         (Output_section_definition::script_section_type_): New data member.
5769         (Output_section_definition::Output_section_definition): Initialize
5770         data member Output_section_definition::script_section_type_.
5771         (Output_section_definition::create_sections): Pass script section type
5772         to Layout::make_output_section_for_script.
5773         (Output_section_definition::output_section_name): Return script
5774         section type to caller.
5775         (Output_section_definition::set_section_address): Do not advance
5776         dot value and load address if section type is NOLOAD.  Set address
5777         of NOLOAD sections regardless of section flags.
5778         (Output_section_definition::print): Print section type if it is
5779         not SCRIPT_SECTION_TYPE_NONE.
5780         (Output_section_definition::section_type): New method.
5781         (Output_section_definition::script_section_type_name): Ditto.
5782         (Script_sections::output_section_name): Add new parameter
5783         PSECTION_TYPE for returning script section type.  Pass it to
5784         section elements.  Handle discard sections.
5785         (Sort_output_sections::operator()): Handle NOLOAD sections.
5786         * script-sections.h (Script_sections::Section_type): New enum type.
5787         (Script_sections::output_section_name): Add a new parameter for
5788         returning script section type.
5789         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5790         INFO and NOLOAD.
5791         * yyscript.y (union): Add new field SECTION_TYPE.
5792         (COPY, DSECT, INFO, NOLOAD): New tokens.
5793         (opt_address_and_section_type): Change type to output_section_header.
5794         (section_type): New non-terminal
5795         (section_header): Handle section type.
5796         (opt_address_and_section_type): Return section type value.
5797
5798 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5799
5800         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5801         * testsuite/plugin_common_test_2.c (foo): Likewise.
5802
5803 2010-04-08  Doug Kwan  <dougkwan@google.com>
5804
5805         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5806         Output_merge_data.
5807         * output.cc (Output_section::add_merge_input_section): Simplify
5808         code and return status of Output_merge_base::add_input_section.
5809         Update merge section map only if Output_merge_base::add_input_section
5810         returns true.
5811
5812 2010-04-07  Doug Kwan  <dougkwan@google.com>
5813
5814         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5815         if section is marked as containing instructions but has no mapping
5816         symbols.
5817         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5818         correct section index.
5819         (Arm_relobj::find_linked_text_section): Ditto.
5820
5821 2010-04-07  Cary Coutant  <ccoutant@google.com>
5822
5823         * archive.cc (include_member): Destroy Read_symbols_data object before
5824         releasing file.
5825         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5826         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5827         (Read_symbols_data::~Read_symbols_data) New destructor.
5828         (Section_relocs::Section_relocs) New constructor.
5829         (Section_relocs::~Section_relocs) New destructor.
5830         (Read_relocs_data::Read_relocs_data) New constructor.
5831         (Read_relocs_data::~Read_relocs_data) New destructor.
5832         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5833         pointers to NULL after deleting.
5834
5835 2010-04-07  Doug Kwan  <dougkwan@google.com>
5836
5837         * arm.cc: Replace "endianity" with "endianness" in comments.
5838         (Arm_exidx_cantunwind): Ditto.
5839         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5840         (Arm_relobj::merge_flags_and_attributes): New method.
5841         (Arm_relobj::merge_flags_and_attributes_): New data member.
5842         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5843         (Arm_relobj::scan_sections_for_stubs): Ditto.
5844         (Arm_relobj::do_read_symbols): Check to see if we really want to
5845         merge processor-specific flags and attributes.  Exit early if
5846         an object is empty except for section names and the undefined symbol.
5847         (Target_arm::do_finalize_sections): Move check for ELF format to
5848         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5849         attributes from a regular object only when we have determined that
5850         it is aapropriate.  Do not create an .ARM.attributes section in
5851         output if there is no regular input object.
5852         (Target_arm::merge_processor_specific_flags): Check
5853         --warn-mismatch before printing any error.
5854         (Target_arm::merge_object_attributes): Ditto.
5855         * gold.cc (queue_middle_tasks): Handle the case in which there is
5856         no regular object in input.
5857         * options.cc (General_options::parse_EB): New method.
5858         (General_options::parse_EL): Same.
5859         (General_options::General_options): Initialize endianness_.
5860         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5861         New options.
5862         (General_options::Endianness): New enum.
5863         (General_options::endianness): New method.
5864         (General_options::endianness_): New data member.
5865         * parameters.cc (Parameters::set_options): Check target endianness.
5866         (Parameters::set_target_once): Ditto.
5867         (Parameters::check_target_endianness): New method.
5868         (parameters_force_valid_target): If either -EL or -EB is specified,
5869         use it to define endianness of default target.
5870         * parameters.h (Parameters::check_target_endianness): New method
5871         declaration.
5872         * target.h (class Target): Change "endianity" to "endianness"
5873         in comments.
5874
5875 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5876
5877         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5878         * configure: Regenerate.
5879         * Makefile.in: Regenerate.
5880         * testsuite/Makefile.in: Regenerate.
5881
5882 2010-04-06  Cary Coutant  <ccoutant@google.com>
5883
5884         gcc PR lto/42757
5885         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5886         prevailing definitions of common symbols.
5887         * testsuite/plugin_test_6.sh: New test case.
5888         * testsuite/plugin_common_test_1.c: New test case.
5889         * testsuite/plugin_common_test_2.c: New test case.
5890         * testsuite/Makefile.am (plugin_test_6): New test case.
5891         * testsuite/Makefile.in: Regenerate.
5892
5893 2010-04-06  Nick Clifton  <nickc@redhat.com>
5894
5895         * po/vi.po: New Vietnamese translation.
5896
5897 2010-03-30  Doug Kwan  <dougkwan@google.com>
5898
5899         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5900
5901 2010-03-25  Doug Kwan  <dougkwan@google.com>
5902
5903         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5904         to avoid a conversion warning on a 32-bit host.
5905
5906 2010-03-24  Ian Lance Taylor  <iant@google.com>
5907
5908         * testsuite/script_test_3.t: Add a TLS segment.
5909         * testsuite/Makefile.am (check_PROGRAMS): Add
5910         tls_phdrs_script_test.
5911         (tls_phdrs_script_test_SOURCES): Define.
5912         (tls_phdrs_script_test_DEPENDENCIES): Define.
5913         (tls_phdrs_script_test_LDFLAGS): Define.
5914         (tls_phdrs_script_test_LDADD): Define.
5915         * testsuite/Makefile.in: Rebuild.
5916
5917 2010-03-23  Cary Coutant  <ccoutant@google.com>
5918
5919         * fileread.cc (find_or_make_view): Fix comment.
5920
5921 2010-03-23  Ian Lance Taylor  <iant@google.com>
5922
5923         * script-sections.cc (class Orphan_section_placement): Define
5924         PLACE_TLS and PLACE_TLS_BSS.
5925         (Orphan_section_placement::Orphan_section_placement): Initialize
5926         new places.
5927         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5928         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5929         (tls_script_test_SOURCES): Define.
5930         (tls_script_test_DEPENDENCIES): Define.
5931         (tls_script_test_LDFLAGS): Define.
5932         (tls_script_test_LDADD): Define.
5933         * testsuite/Makefile.in: Rebuild.
5934
5935 2010-03-22  Doug Kwan  <dougkwan@google.com>
5936
5937         * arm.cc (Arm_relocate_functions::abs8,
5938         Arm_relocate_functions::abs16): Use correct check for overflow
5939         specified in the ARM ELF specs.
5940         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5941         target of a BLX instruction specially.
5942         (Reloc_stub::stub_type_for_reloc): Ditto.
5943         (Relocate::relocate): Use symbolic names instead of numeric relocation
5944         codes to report error.
5945         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5946         workaround.
5947         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5948         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5949         thumb2_blx_out_of_range.stdout
5950         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5951         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5952         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5953         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5954         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5955         thumb2_blx_in_range, thumb2_blx_in_range.o,
5956         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5957         thumb2_blx_out_of_range.o): New rules.
5958         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5959         thumb2_blx_in_range and thumb2_blx_out_of_range.
5960         * testsuite/Makefile.in: Regenerate.
5961         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5962         * testsuite/thumb_blx_in_range.s: New file.
5963         * testsuite/thumb_blx_out_of_range.s: New file.
5964
5965 2010-03-22  Rafael Espindola  <espindola@google.com>
5966
5967         * archive.cc (Should_include): Move to archive.h.
5968         (should_include_member): Make it a member of Archive.
5969         (Lib_group): New.
5970         (Add_lib_group_symbols): New.
5971         * archive.h: Include options.h.
5972         (Archive_member): Moved from Archive.
5973         (Should_include): Moved from archive.cc.
5974         (Lib_group): New.
5975         (Add_lib_group_symbols): New.
5976         * dynobj.cc (do_should_include_member): New.
5977         * dynobj.h (do_should_include_member): New.
5978         * gold.cc (queue_initial_tasks): Update call to queue.
5979         * main.cc (main): Print lib group stats.
5980         * object.cc (do_should_include_member): New.
5981         * object.h: Include archive.h.
5982         (Object::should_include_member): New.
5983         (Object::do_should_include_member): New.
5984         (Sized_relobj::do_should_include_member): New.
5985         * options.cc (General_options::parse_start_lib): New.
5986         (General_options::parse_end_lib): New.
5987         (Input_arguments::add_file): Handle lib groups.
5988         (Input_arguments::start_group): Check we are not in a lib.
5989         (Input_arguments::start_lib): New.
5990         (Input_arguments::end_lib): New.
5991         * options.h (General_options): Add start_lib and end_lib.
5992         (Input_argument::lib_): New.
5993         (Input_argument::lib): New.
5994         (Input_argument::is_lib): New.
5995         (Input_file_lib): New.
5996         (Input_arguments::in_lib_): New.
5997         (Input_arguments::in_lib): New.
5998         (Input_arguments::start_lib): New.
5999         (Input_arguments::end_lib_): New.
6000         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6001         in unused members as preempted.
6002         (Sized_pluginobj::do_should_include_member): New.
6003         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6004         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6005         return the blocker.
6006         (Read_symbols::do_whole_lib_group): New.
6007         (Read_symbols::do_lib_group): New.
6008         (Read_symbols::do_read_symbols): Handle lib groups.
6009         (Read_symbols::get_name): Handle lib groups.
6010         * readsyms.h (Read_symbols): Add an archive member pointer.
6011         (Read_symbols::do_whole_lib_group): New.
6012         (Read_symbols::do_lib_group): New.
6013         (Read_symbols::member_): New.
6014         * script.cc (read_input_script): Update call to queue_soon.
6015
6016 2010-03-19  Doug Kwan  <dougkwan@google.com>
6017
6018         * arm.cc (Stub_table::Stub_table): Initialize new data members
6019         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6020         (Stub_table::add_reloc_stub): Assign stub offset and update
6021         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6022         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6023         New data members.
6024         (Stub_table::update_data_size_and_addralign): Use
6025         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6026         instead of going over all reloc stubs.
6027         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6028         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6029         Stringpool_template::offset_ to size of Stringpool_char.
6030         (Stringpool_template::new_key_offset): Remove code to initialize
6031         Stringpool_template::offset_.
6032         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6033         Stringpool_template::offset_ to zero.
6034
6035 2010-03-15  Doug Kwan  <dougkwan@google.com>
6036
6037         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6038         offset_.
6039         (Stringpool_template::new_key_offset): New method.
6040         (Stringpool_template::add_string): Assign offsets when adding new
6041         strings.
6042         (Stringpool_template::set_string_offsets): Do not set string offsets
6043         when not optimizing.
6044         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6045         member size_.
6046         (Chunked_vector::clear): Clear size_.
6047         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6048         (Chunked_vector::size): Return size_.
6049         (Chunked_vector::push_back): Use size_ to find insert position.
6050         (Chunked_vector::size_): New data member.
6051         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6052         (Stringpool_template::new_key_offset): New method declaration.
6053         (Stringpool_template::offset_): New data member.
6054
6055 2010-03-15   Rafael Espindola  <espindola@google.com>
6056
6057         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6058         Add_symbols' constructor.
6059         * readsyms.h (Add_symbols): Remove the input_group member.
6060
6061 2010-03-10  Ian Lance Taylor  <iant@google.com>
6062
6063         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6064         target to ask whether a reference to a symbol requires a stack
6065         split.
6066         * target.h (Target::is_call_to_non_split): New function.
6067         (Target::do_is_call_to_non_split): Declare virtual function.
6068         * target.cc: Include "symtab.h".
6069         (Target::do_is_call_to_non_split): New function.
6070         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6071
6072 2010-03-10  Cary Coutant  <ccoutant@google.com>
6073
6074         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6075         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6076         (File_read::open[2]): Add whole_file_view_ to list of views.
6077         (File_read::make_view): Remove test of whole_file_view_.
6078         (File_read::find_or_make_view): Create whole_file_view_ if
6079         necessary.
6080         (File_read::clear_views): Replace bool parameter with enum;
6081         adjust all callers.  Don't delete views with permanent data;
6082         do delete cached views and views from archives if
6083         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6084         if clearing the corresponding view.
6085         * fileread.h (File_read::Clear_views_mode): New enum.
6086         (File_read::View::is_permanent_view): New method.
6087         (File_read::clear_views): Replace bool parameter
6088         with enum; adjust all callers.
6089         * options.h (General_options): Change keep_files_mapped option;
6090         add map_whole_files.
6091         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6092         releasing the file.
6093         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6094         the file.
6095
6096 2010-03-10  David S. Miller  <davem@davemloft.net>
6097
6098         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6099
6100 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6101
6102         * icf.cc (get_section_contents): Add '@' marker after processing the
6103         merge reloc.
6104
6105 2010-03-08  Doug Kwan  <dougkwan@google.com>
6106
6107         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6108         due to a conversion warning.
6109         (Arm_relobj::update_output_local_symbol_count): Check for local
6110         symbol with unset output index.
6111
6112 2010-03-05  Ian Lance Taylor  <iant@google.com>
6113
6114         * options.h (class General_options): Add --spare-dynamic-tags.
6115         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6116         --spare-dynamic-tags.
6117
6118 2010-03-05  Ian Lance Taylor  <iant@google.com>
6119
6120         * incremental.cc: Include "libiberty.h".
6121
6122 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6123
6124         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6125         function, is_info_ member.
6126         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6127         (Versions::Versions): Update caller.
6128         (Versions::define_base_version): Likewise.
6129         (Versions::add_def): Likewise.
6130
6131 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6132
6133         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6134         (Scan::possible_function_pointer_reloc): New function.
6135         (Scan::local_reloc_may_be_function_pointer): Change to call
6136         possible_function_pointer_reloc.
6137         (Scan::global_reloc_may_be_function_pointer): Ditto.
6138         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6139         relocations in ".data.rel.ro._ZTV" section.
6140         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6141         * testsuite/icf_safe_so_test.cc: Ditto.
6142         * testsuite/icf_safe_test.cc: Ditto.
6143         * testsuite/icf_safe_test.sh: Ditto.
6144
6145 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6146             Ian Lance Taylor  <iant@google.com>
6147
6148         * target-reloc.h (relocate_section): Check the symbol table index
6149         for -1U before setting the local symbol index.
6150         (scan_relocatable_relocs): If copying the relocation, record that
6151         the local symbol is required.
6152         * object.h (Symbol_value::is_output_symtab_index_set): New
6153         function.
6154         (Symbol_value::may_be_discarded_from_output_symtab): New
6155         function.
6156         (Symbol_value::has_output_symtab_entry): New function.
6157         (Symbol_value::needs_output_symtab_entry): Remove.
6158         (Symbol_value::output_symtab_index): Make sure the symbol index is
6159         set.
6160         (Symbol_value::set_output_symtab_index): Make sure the symbol
6161         index is not set.  Make sure the new index is valid.
6162         (Symbol_value::set_must_have_output_symtab_entry): New function.
6163         (Symbol_value::has_output_dynsym_entry): New function.
6164         (Symbol_value::set_output_dynsym_index): Make sure the new index
6165         is valid.
6166         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6167         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6168         local symbol if permitted.
6169         (Sized_relobj::do_finalize_local_symbols): Call
6170         is_output_symtab_index_set rather than needs_output_symtab_entry.
6171         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6172         rather than needs_output_symtab_entry.  Call
6173         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6174         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6175         is_output_symtab_index_set rather than needs_output_symtab_entry.
6176         * testsuite/discard_locals_relocatable_test.c: New file.
6177         * testsuite/discard_locals_test.sh: Test -r.
6178         * testsuite/Makefile.am (check_DATA): Add
6179         discard_locals_relocatable_test1.syms,
6180         discard_local_relocatable_test2.syms.
6181         (MOSTLYCLEANFILES): Likewise.  Also add
6182         discard_locals_relocatable_test1.lout and
6183         discard_locals_relocatable_test2.out.
6184         (discard_locals_relocatable_test1.syms): New target.
6185         (discard_locals_relocatable_test.o): New target.
6186         (discard_locals_relocatable_test1.out): New target.
6187         (discard_locals_relocatable_test2.syms): New target.
6188         (discard_locals_relocatable_test2.out): New target.
6189         (various): Add missing ../ld-new dependencies.
6190         * testsuite/Makefile.in: Rebuild.
6191
6192 2010-03-03  Nick Clifton  <nickc@redhat.com>
6193
6194         * po/fi.po: New Finnish translation.
6195
6196 2010-03-01  Doug Kwan  <dougkwan@google.com>
6197
6198         * layout.cc (Layout::Layout): Force section types of .init_array*,
6199         .preinit_array* and .fini_array* sections.
6200         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6201         Fix check of return value of std::string::find.().
6202         (Output_section::Input_section_sort_compare::operator()): Remove
6203         comment about .init_array.
6204         (Output_section::Input_section_sort_init_fini_compare::operator()):
6205         New method.
6206         (Output_section::sort_attached_input_sections): Handle .init_array
6207         and .fini_array specially.
6208         * output.h (Output_section::Inut_section_sort_compare): Update
6209         comment.
6210         (Output_section::Input_section_sort_init_fini_compare): New struct.
6211
6212 2010-02-26  Doug Kwan  <dougkwan@google.com>
6213
6214         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6215         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6216         * testsuite/debug_msg.sh: Avoid matching source line number for
6217         use of global variable undef_int.
6218
6219 2010-02-26  Doug Kwan  <dougkwan@google.com>
6220
6221         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6222         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6223         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6224         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6225         * options.cc (General_options::General_options): Initialize member
6226         fix_v4bx_.
6227         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6228         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6229         and rm_no_fix_v4bx.stdout
6230         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6231         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6232         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6233         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6234         and arm_no_fix_v4bx.
6235         * Makefile.in: Regenerate.
6236         * testsuite/arm_fix_v4bx.s: New file.
6237         * testsuite/arm_fix_v4bx.sh: Ditto.
6238
6239 2010-02-24  Doug Kwan  <dougkwan@google.com>
6240
6241         * arm.cc (Target_arm::got_section): Make the .got section the first
6242         non RELRO section in the data segment.
6243         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6244         suffixes of section names.
6245
6246 2010-02-24  Doug Kwan  <dougkwan@google.com>
6247
6248         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6249         flags and attributes merging if an input file is a binary file.
6250         * fileread.cc (Input_file::open): Record format of original file.
6251         * fileread.h (Input_file::Format): New enum type.
6252         (Input_file::Input_file): Initialize data member format_.
6253         (Input_file::format): New method definition.
6254         (Input_file::format_):: New data member.
6255
6256 2010-02-24  Doug Kwan  <dougkwan@google.com>
6257
6258         * arm.cc (Arm_output_data_got): New class.
6259         (ARM_TCB_SIZE): New constant
6260         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6261         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6262         If user uses a script with a SECTIONS clause, issue only a warning
6263         for a misplaced EXIDX input section.  Otherwise, issue an error.
6264         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6265         garbage collection.
6266         (Target_arm::got_mode_index_entry): Handle static linking.
6267         (Target_arm::Scan::local): Ditto.
6268         (Target_arm::Scan::global): Ditto.
6269         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6270         all incorrectly implemented relocations.
6271         (Target_arm::fix_exidx_coverage): Pass layout to
6272         Arm_output_section::fix_exidx_coverage.
6273         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6274         from ".ARM.exidx." and ".ARM.extab.".
6275
6276 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6277
6278         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6279         section if it does not already exist.
6280         * attributes.cc (Attributes_section_data::Attributes_section_data):
6281         Don't crash if size is zero.
6282
6283 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6284             Ian Lance Taylor  <iant@google.com>
6285
6286         * gold.cc (queue_middle_tasks): If no input files were opened,
6287         exit.
6288         * workqueue.h (Task_function::Task_function): Assert that there is
6289         a blocker.
6290
6291 2010-02-22  Doug Kwan  <dougkwan@google.com>
6292
6293         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6294         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6295         types to avoid warnings due to different uint64_t implementations
6296         on different hosts.
6297
6298 2010-02-21  Doug Kwan  <dougkwan@google.com>
6299
6300         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6301         handling of the maximum backward branch offset.
6302         (Arm_relocate_functions::thumb_branch_common): Ditto.
6303         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6304         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6305         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6306         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6307         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6308         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6309         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6310         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6311         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6312         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6313         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6314         thumb2_bl_out_of_range.o): New rules.
6315         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6316         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6317         thumb2_bl_out_of_range
6318         * testsuite/Makefile.in: Regenerate.
6319         * testsuite/arm_bl_in_range.s: New file.
6320         * testsuite/arm_bl_out_of_range.s: Ditto.
6321         * testsuite/arm_branch_in_range.sh: Ditto.
6322         * testsuite/arm_branch_range.t: Ditto.
6323         * testsuite/thumb2_branch_range.t: Ditto.
6324         * testsuite/thumb_bl_in_range.s: Ditto.
6325         * testsuite/thumb_bl_out_of_range.s: Ditto.
6326         * testsuite/thumb_branch_range.t: Ditto.
6327
6328 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6329
6330         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6331         Add reloc offset information.
6332         * icf.cc (get_section_contents): Change iterators to point to the new
6333         vectors. Add reloc offset information to the contents.
6334         * icf.h (Icf::Sections_reachable_info): New typedef.
6335         (Icf::Sections_reachable_list): New typedef.
6336         (Icf::Offset_info): New typedef.
6337         (Icf::Reloc_info): New struct typedef.
6338         (Icf::Reloc_info_list): New typedef.
6339         (Icf::symbol_reloc_list): Delete method.
6340         (Icf::addend_reloc_list): Delete method.
6341         (Icf::section_reloc_list): Delete method.
6342         (Icf::reloc_info_list): New method.
6343         (Icf::reloc_info_list_): New member.
6344
6345 2010-02-19  Doug Kwan  <dougkwan@google.com>
6346
6347         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6348         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6349         * arm.cc (Arm_relocation_functions): New forward declaration.
6350         (Target_arm::Target_arm): Initialize new data members
6351         got_mod_index_offset_ and tls_base_symbol_defined_.
6352         (Target_arm::Relocate::relocate_tls): New method.
6353         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6354          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6355         New methods.
6356         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6357         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6358         (Target_arm::got_mod_index_offset_,
6359         Target_arm::tls_base_symbol_defined_): New data members.
6360         (Target_arm::Scan::local, Target::Scan::global,
6361         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6362         relocations.
6363
6364 2010-02-18  Doug Kwan  <dougkwan@google.com>
6365
6366         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6367         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6368         text section as a parameter becuase some broken tools may not set
6369         the link in section header.
6370         (Target_arm::has_got_section): New method.
6371         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6372         without any mapping symbol as data only.  Remove warning.
6373         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6374         link in its section header, try to discover the link by inspecting the
6375         REL31 relocation at the beginning of the section.
6376         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6377         in error message.
6378         (Target_arm::Scan::global): Treat any reference to the symbol
6379         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6380
6381 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6382
6383         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6384         (Scan::global_reloc_may_be_function_pointer): New function.
6385         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6386         (Scan::global_reloc_may_be_function_pointer): New function.
6387         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6388         (Scan::global_reloc_may_be_function_pointer): New function.
6389         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6390         (Scan::global_reloc_may_be_function_pointer): New function.
6391         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6392         (Scan::global_reloc_may_be_function_pointer): New function.
6393         (Scan::possible_function_pointer_reloc): New function.
6394         (Target_x86_64::can_check_for_function_pointers): New function.
6395         * gc.h (gc_process_relocs): Scan relocation types to determine if
6396         function pointers were taken for targets that support it.
6397         * icf.cc (Icf::find_identical_sections): Include functions for
6398         folding in safe ICF whose pointer is not taken.
6399         * icf.h (Secn_fptr_taken_set): New typedef.
6400         (fptr_section_id_): New member.
6401         (section_has_function_pointers): New function.
6402         (set_section_has_function_pointers): New function.
6403         (check_section_for_function_pointers): New function.
6404         * options.h: Fix comment for safe ICF option.
6405         * target.h (can_check_for_function_pointers): New function.
6406         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6407         Modify icf_safe_test for X86-64.
6408         * testsuite/Makefile.in: Regenerate.
6409         * testsuite/icf_safe_so_test.cc: New file.
6410         * testsuite/icf_safe_so_test.sh: New file.
6411         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6412         (main): Change to take pointer to function kept_func_3.
6413         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6414         folding is done correctly for X86-64.
6415
6416 2010-02-12  David S. Miller  <davem@davemloft.net>
6417
6418         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6419         is_symbolless parameter.
6420         (Output_reloc<SHT_REL>::is_symbolless): New.
6421         (Output_reloc<SHT_REL>::is_symbolless_): New.
6422         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6423         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6424         (Output_reloc<SHT_RELA>::is_symbolless): New.
6425         (Output_data_reloc::add_global): Handle is_symbolless.
6426         (Output_data_reloc::add_global_relative): Likewise.
6427         (Output_data_reloc::add_local): Likewise.
6428         (Output_data_reloc::add_local_relative): Likewise.
6429         (Output_data_reloc::add_symbolless_global_addend): New.
6430         (Output_data_reloc::add_symbolless_local_addend): New.
6431         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6432         is_symbolless.
6433         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6434         instead of ->is_relative_
6435         (Output_reloc::write): Likewise.
6436         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6437         (Output_reloc::write_rel): Simplify.
6438
6439         * sparc.cc (Target_sparc::Scan::local): Use
6440         ->add_symbolless_local_addend as needed.
6441         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6442         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6443         based upon relocation offset.
6444
6445 2010-02-11  Doug Kwan  <dougkwan@google.com>
6446
6447         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6448         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6449         beginning of function.
6450         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6451         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6452         parameter is_32bit in calls to should_apply_static_reloc.
6453         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6454         (check_DATA): Add arm_abs_global.stdout.
6455         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6456         arm_abs_global.stdout): New rules.
6457         (MOSTLLYCLEANFILES): Add arm_abs_global
6458         * Makefile.in: Regenerate.
6459         * testsuite/arm_abs_global.s: New file.
6460         * testsuite/arm_abs_global.sh: Ditto.
6461         * testsuite/arm_abs_lib.s: Ditto.
6462
6463 2010-02-11  Ian Lance Taylor  <iant@google.com>
6464
6465         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6466         Read_relocs task.
6467         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6468         Allocate_commons_task first.
6469         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6470         task, rather than symtab_lock_.
6471         (Gc_process_relocs::~Gc_process_relocs): New function.
6472         (Gc_process_relocs::is_runnable): Check this_blocker_.
6473         (Gc_process_relocs::locks): Use next_blocker_ rather than
6474         blocker_.
6475         (Scan_relocs::~Scan_relocs): New function.
6476         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6477         symtab_lock_.
6478         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6479         next_blocker_.
6480         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6481         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6482         constructor accordingly.
6483         (class Gc_process_relocs): Likewise.
6484         (class Scan_relocs): Likewise.
6485         * common.h (class Allocate_commons_task): Remove symtab_lock_
6486         field, and corresponding constructor parameter.
6487         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6488         symtab_lock_.
6489         (Allocate_commons_task::locks): Likewise.
6490
6491 2010-02-11  Ian Lance Taylor  <iant@google.com>
6492
6493         * gold-threads.h (class Once): Define.
6494         (class Initialize_lock): Rewrite as child of Once.
6495         * gold-threads.cc (class Once_initialize): Define.
6496         (once_pointer_control): New static variable.
6497         (once_pointer, once_arg): New static variables.
6498         (c_run_once): New static function.
6499         (Once::Once, Once::run_once, Once::internal_run): New functions.
6500         (class Initialize_lock_once): Remove.
6501         (initialize_lock_control): Remove.
6502         (initialize_lock_pointer): Remove.
6503         (initialize_lock_once): Remove.
6504         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6505         (Initialize_lock::initialize): Rewrite.
6506         (Initialize_lock::do_run_once): New function.
6507         * archive.cc (Archive::interpret_header): Only clear name if it is
6508         not already empty.
6509         * fileread.cc: Include "gold-threads.h"
6510         (file_counts_lock): New static variable.
6511         (file_counts_initialize_lock): Likewise.
6512         (File_read::release): Only increment counts when using --stats.
6513         Use a lock around the increment.
6514         * parameters.cc (class Set_parameters_target_once): Define.
6515         (set_parameters_target_once): New static variable.
6516         (Parameters::Parameters): Move here from parameters.h.
6517         (Parameters::set_target): Rewrite.
6518         (Parameters::set_target_once): New function.
6519         (Parameters::clear_target): Move here and rewrite.
6520         * parameters.h (class Parameters): Update declarations.  Add
6521         set_parameters_target_once_ field.
6522         (Parameters::Parameters): Move to parameters.cc.
6523         (Parameters::clear_target): Likewise.
6524         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6525         task.
6526         (Start_group::~Start_group): New function.
6527         (Start_group::is_runnable): New function.
6528         (Start_group::locks, Start_group::run): New functions.
6529         (Finish_group::run): Change saw_undefined to size_t.
6530         * readsyms.h (class Start_group): Define.
6531         (class Finish_group): Change saw_undefined_ field to size_t.
6532         (Finish_group::Finish_group): Remove saw_undefined and
6533         this_blocker parameters.  Change all callers.
6534         (Finish_group::set_saw_undefined): New function.
6535         (Finish_group::set_blocker): New function.
6536         * symtab.h (class Symbol_table): Change saw_undefined to return
6537         size_t.  Change saw_undefined_ field to size_t.
6538         * target-select.cc (Set_target_once::do_run_once): New function.
6539         (Target_selector::Target_selector): Initialize set_target_once_
6540         field.  Don't initialize lock_ and initialize_lock_ fields.
6541         (Target_selector::instantiate_target): Rewrite.
6542         (Target_selector::set_target): New function.
6543         * target-select.h (class Set_target_once): Define.
6544         (class Target_selector): Update declarations.  Make
6545         Set_target_once a friend.  Remove lock_ and initialize_lock_
6546         fields.  Add set_target_once_ field.
6547
6548 2010-02-10  Ian Lance Taylor  <iant@google.com>
6549
6550         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6551         queueing any tasks.
6552         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6553         (queue_middle_tasks): Add all blockers before queueing any tasks.
6554         (queue_final_tasks): Likewise.
6555         * token.h (Task_token::add_blockers): New function.
6556         * object.h (Input_objects::number_of_relobjs): New function.
6557
6558 2010-02-10  Ian Lance Taylor  <iant@google.com>
6559
6560         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6561         shared, not if not position independent.
6562         * x86_64.cc (Relocate::relocate_tls): Likewise.
6563         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6564         (tls_pie_pic_test): New target.
6565         * testsuite/Makefile.in: Rebuild.
6566
6567         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6568         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6569         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6570         * testsuite/Makefile.in: Rebuild.
6571
6572 2010-02-09  David S. Miller  <davem@davemloft.net>
6573
6574         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6575         R_SPARC_RELATIVE using ->add_local_relative().
6576         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6577
6578         * output.h (Output_data_dynamic::add_section_size): New method
6579         that takes two Output_data objects.
6580         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6581         entry param.  Handle it in initializers.
6582         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6583         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6584         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6585         arg.
6586         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6587         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6588         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6589         for dynrel_includes_plt.
6590         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6591         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6592         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6593         before .rela.plt
6594         (Target_sparc::do_finalize_sections): Update to pass true for
6595         dynrel_includes_plt.
6596         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6597         output before .rela.plt
6598         (Target_powerpc::do_finalize_sections): Update to pass true for
6599         dynrel_includes_plt when 32-bit.
6600
6601 2010-02-08  Doug Kwan  <dougkwan@google.com>
6602
6603         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6604         method.
6605         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6606         Arm_relobj::scan_section_for_cortex_a8_stubs,
6607         Arm_relobj::do_relocation_section): Instead of calling
6608         Output_section::output_address, use faster
6609         Arm_relobj::simple_input_section_output_address.
6610
6611 2010-02-08  David S. Miller  <davem@davemloft.net>
6612
6613         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6614         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6615         relocation helper function.
6616
6617         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6618         just like R_SPARC_GOT{10,13,22}.
6619         (Target_sparc::Scan::local): Likewise.
6620         (Target_sparc::Relocate:relocate): Likewise.
6621
6622 2010-02-06  Ian Lance Taylor  <iant@google.com>
6623
6624         * configure.ac: Rewrite targetobjs duplicate removal code to use
6625         only shell constructs.
6626         * configure: Rebuild.
6627
6628 2010-02-05  Doug Kwan  <dougkwan@google.com>
6629
6630         PR 11247
6631         * arm.cc (Arm_relobj::section_is_scannable): New method.
6632         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6633         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6634
6635 2010-02-04  Doug Kwan  <dougkwan@google.com>
6636
6637         PR 11247
6638         * arm-reloc-property.cc (cstdio): Include.
6639         * configure.ac (targetobjs): Remove duplicates.
6640         * configure: Regenerate.
6641         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6642         big and little endian version for a given address size.
6643
6644 2010-02-03  Doug Kwan  <dougkwan@google.com>
6645
6646         * arm-reloc-property.cc
6647         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6648         definition.
6649         * arm-reloc-property.h
6650         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6651         New method definition.
6652         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6653         declaration.
6654         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6655         overflow to N.
6656         (GOT_PREL): Change implemented to Y.
6657         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6658         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6659         (Arm_relocate_functions::movw_abs_nc): Remove method.
6660         (Arm_relocate_functions::movt_abs): Ditto.
6661         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6662         (Arm_relocate_functions::thm_movt_abs): Ditto.
6663         (Arm_relocate_functions::movw_rel_nc): Ditto.
6664         (Arm_relocate_functions::movw_rel): Ditto.
6665         (Arm_relocate_functions::movt_rel): Ditto.
6666         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6667         (Arm_relocate_functions:thm_movw_rel): Ditto.
6668         (Arm_relocate_functions:thm_movt_rel): Ditto.
6669         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6670         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6671         New method definitions.
6672         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6673         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6674         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6675         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6676         (Target_arm::Relocate::relocate): Check for non-static or
6677         unimplemented relocation code and exit early.  Change calls to
6678         Target_arm::reloc_uses_thumb_bit and
6679         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6680         instead.  Refactor code to handle similar relocations to increase
6681         code sharing.  Remove check for unsupported relocation code in switch
6682         statement.
6683         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6684         relocation property table to find out size.  Change error message to
6685         print out the name of a relocation code instead of the numeric value.
6686         (Target_arm::scan_reloc_for_stub): Use relocation property table
6687         instead of calling Target_arm::reloc_uses_thumb_bit().
6688
6689 2010-02-02  Doug Kwan  <dougkwan@google.com>
6690
6691         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6692         types of relaxed input section.
6693
6694 2010-02-02  Doug Kwan  <dougkwan@google.com>
6695
6696         * Makefile.am (HFILES): Add arm-reloc-property.h.
6697         (DEFFILES): New.
6698         (TARGETSOURCES): Add arm-reloc-property.cc
6699         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6700         (libgold_a_SOURCES): $(DEFFILES)
6701         * Makefile.in: Regenerate.
6702         * arm-reloc-property.cc: New file.
6703         * arm-reloc-property.h: New file.
6704         * arm-reloc.def: New file.
6705         * arm.cc: Update comments.
6706         (arm-reloc-property.h): New included header.
6707         (arm_reloc_property_table): New global variable.
6708         (Target_arm::do_select_as_default_target): New method definition.
6709         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6710         arm-reloc-property to targ_extra_obj.
6711         * parameters.cc (set_parameters_target): Call
6712         Target::select_as_default_target().
6713         * target.h (Target::select_as_default_target): New method definition.
6714         (Target::do_select_as_default_target): Same.
6715
6716 2010-02-01  Doug Kwan  <dougkwan@google.com>
6717
6718         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6719         first_output_text_section_.
6720         (Arm_exidx_fixup::first_output_text_section): New method definition.
6721         (Arm_exidx_fixup::first_output_text_section_): New data member.
6722         (Arm_exidx_fixup::process_exidx_section): Record the first text
6723         output section seen.
6724         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6725         and entsize in output section header.
6726
6727 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6728
6729         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6730         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6731         (Arm_relocate_functions::thm_alu11): New Method.
6732         (Arm_relocate_functions::thm_pc8): New Method.
6733         (Arm_relocate_functions::thm_pc12): New Method.
6734         (Target_arm::Scan::local): Handle the relocations.
6735         (Target_arm::Scan::global): Likewise.
6736         (Target_arm::Relocate::relocate): Likewise.
6737         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6738
6739 2010-01-29  Doug Kwan  <dougkwan@google.com>
6740
6741         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6742         of relocation types as ld.
6743
6744 2010-01-29  Doug Kwan  <dougkwan@google.com>
6745
6746         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6747         to public.
6748         (Arm_relocate_functions::thumb_branch_common): Ditto.
6749         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6750         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6751         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6752         Arm_relocate_functions::jump24): Remove.
6753         (Target_arm::Relocate::relocate): Adjust code to call
6754         Arm_relocation_functions::arm_branch_common and
6755         Arm_relocation_functions::thumb_branch_common instead of their removed
6756         wrappers.  Merge switch-cases together to reduce source code size.
6757
6758 2010-01-29  Doug Kwan  <dougkwan@google.com>
6759
6760         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6761         output_local_symbol_count_needs_update_.
6762         (Arm_relobj::output_local_symbol_count_needs_update,
6763          Arm_relobj::set_output_local_symbol_count_needs_update,
6764          Arm_relobj::update_output_local_symbol_count): New methods.
6765         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6766         member.
6767         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6768         of pointed function as in a R_ARM_PREL31 relocation.
6769         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6770         for output local symbol count updating.
6771         (Target_arm::do_relax): Update output local symbol counts in objects
6772         if necessary.
6773         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6774
6775 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6776
6777         * arm.cc: Added support for the ARM relocations:
6778         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6779         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6780         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6781         movw_prel_nc).
6782         (Arm_relocate_functions::movw_rel): New method.
6783         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6784         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6785         thm_movw_prel_nc).
6786         (Arm_relocate_functions::thm_movw_rel): New method.
6787         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6788         thm_movt_prel).
6789         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6790         relocations.
6791         (Target_arm::Scan::global): Likewise.
6792         (Target_arm::Relocate::relocate): Likewise.
6793         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6794         Likewise.
6795
6796 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6797
6798         * arm.cc: Added support for ARM group relocations.
6799         (Target_arm::reloc_needs_sym_origin): New method.
6800         (Arm_relocate_functions::calc_grp_kn): New method.
6801         (Arm_relocate_functions::calc_grp_residual): New method.
6802         (Arm_relocate_functions::calc_grp_gn): New method.
6803         (Arm_relocate_functions::arm_grp_alu): New Method.
6804         (Arm_relocate_functions::arm_grp_ldr): New Method.
6805         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6806         (Arm_relocate_functions::arm_grp_ldc): New Method.
6807         (Target_arm::Scan::local): Handle the ARM group relocations.
6808         (Target_arm::Scan::global): Likewise.
6809         (Target_arm::Relocate::relocate): Likewise.
6810         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6811         Likewise.
6812
6813 2010-01-26  Doug Kwan  <dougkwan@google.com>
6814
6815         * arm.cc (set): Include.
6816         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6817         pointer type.
6818         (Arm_output_section::Text_section_list): New type.
6819         (Arm_output_section::append_text_sections_to_list): New method.
6820         (Arm_output_section::fix_exidx_coverage): Ditto.
6821         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6822         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6823         Relobj::set_section_offset() instead of
6824         Sized_relobj::invalidate_section_offset().
6825         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6826         parameter for section headers. Ignore relocation sections for
6827         unallocated sections and EXIDX sections.
6828         (Target_arm::fix_exidx_coverage): New method.
6829         (Target_arm::output_section_address_less_than): New type.
6830         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6831         linked text section instead of the EXIDX section.
6832         (Arm_output_section::create_stub_group): Add an assertion to check
6833         that this is not an EXIDX output section.
6834         (Arm_output_section::append_text_sections_to_list): New method.
6835         (Arm_output_section::fix_exidx_coverage): Ditto.
6836         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6837         Arm_relobj::section_needs_reloc_stub_scanning.
6838         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6839         first pass.
6840         (Target_arm::fix_exidx_coverage): New method.
6841         * object.h (Relobj::set_output_section): New method.
6842         (Sized_relobj::invalidate_section_offset): Remove method.
6843         (Sized_relobj::do_invalidate_section_offset): Remove method.
6844         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6845
6846 2010-01-25  Doug Kwan  <dougkwan@google.com>
6847
6848         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6849         Fix warning due to signed and unsigned comparison on a 32-bit host.
6850
6851 2010-01-22  Doug Kwan  <dougkwan@google.com>
6852
6853         * arm.cc (Target_arm::do_relax): Record an output section for section
6854         offset adjustment it contains any stub table that has changed.
6855         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6856         offsets in an output section if necessary.
6857         * output.cc (Output_section::Output_section): Initialize
6858         section_offsets_need_adjustments_.
6859         (Output_section::add_input_section_for_script): Renamed to
6860         Output_section::add_simple_input_section.
6861         (Output_section::save_states): Add a comment.
6862         (Output_section::discard_states): New method defintion.
6863         (Output_section::adjust_section_offsets): Same.
6864         * output.h (Output_section::add_input_section_for_script): Renamed to
6865         Output_section::add_simple_input_section.
6866         (Output_section::discard_states): New method declaration.
6867         (Output_section::adjust_section_offsets): Same.
6868         (Output_section::section_offsets_need_adjustment,
6869         Output_section::set_section_offsets_need_adjustment): New method
6870         definitions.
6871         (Output_section::section_offsets_need_adjustment_): New data member.
6872         * script-sections.cc
6873         (Output_section_element_input::set_section_address): Adjust code for
6874         renaming of Output_section::add_input_section_for_script.
6875         (Orphan_output_section::set_section_address): Same.
6876
6877 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6878
6879         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6880         Fix_v4bx enum values .
6881         * gold/options.h (General_options): New option definitions.
6882         (General_options::fix_v4bx): New method.
6883         (General_options::Fix_v4bx): New enum.
6884         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6885         (General_options::parse_fix_v4bx_interworking): New method.
6886
6887 2010-01-22  Doug Kwan  <dougkwan@google.com>
6888
6889         * arm.cc (Arm_exidx_fixup): New class.
6890
6891 2010-01-21  Doug Kwan  <dougkwan@google.com>
6892
6893         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6894         classes.
6895         (Arm_exidx_section_offset_map): New type.
6896
6897 2010-01-21  Doug Kwan  <dougkwan@google.com>
6898
6899         * arm.cc (Arm_exidx_input_section): New class.
6900         (Arm_relobj::exidx_input_section_by_link,
6901         Arm_relobj::exidx_input_section_by_shndx,
6902         Arm_relobj::make_exidx_input_section): New methods.
6903         (read_arm_attributes_section): Remove.
6904         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6905         information about them.
6906         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6907         to here.
6908
6909 2010-01-20  Doug Kwan  <dougkwan@google.com>
6910
6911         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6912         Input_section_specifier to Section_id.
6913         (Target_arm::new_arm_input_section: Adjust code for change of key
6914         type.
6915         (Target_arm::find_arm_input_section): Ditto.
6916         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6917         (Section_id): Remove.
6918         (Garbage_collection::Section_id_hash): Remove.
6919         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6920         (Section_id): Remove.
6921         (Icf::Section_id_hash): Remove.
6922         * object.h (Section_id, Const_section_id, Section_id_hash,
6923         Const_section_id_hash): New type definitions.
6924         * output.cc (Output_section::add_relaxed_input_section): Change to
6925         use Const_section_id instead of Input_section_specifier as key type.
6926         (Output_section::add_merge_input_section): Ditto.
6927         (Output_section::build_relaxation_map): Change to use Section_id
6928         instead of Input_section_specifier as key type.
6929         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6930         Ditto.
6931         (Output_section::convert_input_sections_to_relaxed_sections): Change
6932         to use Const_section_id instead of Input_section_specifier as key type.
6933         (Output_section::find_merge_section): Ditto.
6934         (Output_section::find_relaxed_input_section): Ditto.
6935         * output.h (Input_section_specifier): Remove class.
6936         (Output_section::Output_section_data_by_input_section_map): Change
6937         key type to Const_section_id.
6938         (Output_section::Output_relaxed_input_section_by_input_section_map):
6939         Ditto.
6940         (Output_section::Relaxation_map): Change key type to Section_id.
6941
6942 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6943
6944         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6945         (class Arm_v4bx_stub): New class.
6946         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6947         (Stub_factory::make_arm_v4bx_stub): New method.
6948         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6949         (Stub_table::empty): Handle v4bx stubs.
6950         (Stub_table::add_arm_v4bx_stub): New method.
6951         (Stub_table::find_arm_v4bx_stub): New method.
6952         (Arm_relocate_functions::v4bx): New method.
6953         (Target_arm::fix_v4bx): New method.
6954         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6955         (Stub_table::relocate_stubs): Likewise.
6956         (Stub_table::do_write): Likewise.
6957         (Stub_table::update_data_size_and_addralign): Likewise.
6958         (Stub_table::finalize_stubs):  Likewise.
6959         (Target_arm::Scan::local): Likewise.
6960         (Target_arm::Scan::global): Likewise.
6961         (Target_arm::do_finalize_sections): Likewise.
6962         (Target_arm::Relocate::relocate): Likewise.
6963         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6964         Likewise.
6965         (Target_arm::scan_reloc_for_stub): Likewise.
6966         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6967
6968 2010-01-19  Ian Lance Taylor  <iant@google.com>
6969
6970         * output.cc (Output_section_headers::do_sized_write): Write large
6971         segment count to sh_info field.
6972         (Output_file_header::do_sized_write): For large segment count,
6973         write PN_XNUM to e_phnum field.
6974
6975 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6976
6977         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6978         (Arm_relocate_functions::thm_jump8): New function.
6979         (Arm_relocate_functions::thm_jump11): New function.
6980         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6981         R_ARM_THM_JUMP11.
6982         (Target_arm::Scan::global): Likewise.
6983         (Target_arm::Relocate::relocate): Likewise.
6984         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6985         Likewise.
6986
6987 2010-01-14  Doug Kwan  <dougkwan@google.com>
6988
6989         * arm.cc (map, utility): Include headers.
6990         (Target_arm::apply_cortex_a8_workaround): New method.
6991         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6992         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6993         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6994         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6995         the --[no-]fix-cortex-a8 command line options.
6996         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6997         (Target_arm::relocate_stub): Use addend in instruction template.
6998         * options.h (DEFINE_bool): Set the user-set flag.
6999         (General_options): Add --[no-]-fix-cortex options.
7000         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7001         : Update fast look-up map after conversion.
7002
7003 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7004
7005         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7006         in the first pass of do_layout.
7007
7008 2010-01-13  Doug Kwan  <dougkwan@google.com>
7009
7010         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7011         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7012         apparent compiler problem of not folding static constant integral
7013         data members of elfcpp::Elf_sizes<32>.
7014
7015 2010-01-13  Doug Kwan  <dougkwan@google.com>
7016
7017         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7018         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7019         Arm_relobj::scan_section_for_cortex_a8_erratum,
7020         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7021         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7022         sections to scan for relocation stubs into a new method
7023         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7024         relocation and Cortex-A8 stub scanning.
7025         (Target_arm::do_relax): Force stubs to be after stubbed sections
7026         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7027         the beginning of a new relaxation pass.  Update a comment.
7028         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7029
7030 2010-01-12  Ian Lance Taylor  <iant@google.com>
7031
7032         * target-reloc.h (visibility_error): New inline function.
7033         (relocate_section): Call visibility_error.
7034         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7035         (MOSTLYCLEANFILES): Likewise.
7036         (protected_4_pic.o, protected_3.err): New targets.
7037         * testsuite/protected_4.cc: New file.
7038
7039 2010-01-12  Doug Kwan  <dougkwan@google.com>
7040
7041         * arm.cc (Cortex_a8_reloc): New class.
7042         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7043         and cortex_a8_relocs_info_.
7044         (Target_arm::fix_cortex_a8): New method definition.
7045         (Target_arm::Cortex_a8_relocs_info): New type.
7046         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7047         New data member declarations.
7048         (Target_arm::scan_reloc_for_stub): Record information about
7049         relocations for THUMB branches that might be exempted from the
7050         Cortex-A8 workaround.
7051         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7052         at the beginning of a relaxation pass.
7053
7054 2010-01-12  Doug Kwan  <dougkwan@google.com>
7055
7056         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7057         (Arm_relobj::Mapping_symbol_position,
7058          Arm_reloj::Mapping_symbol_position_less,
7059          Arm_relobj::Mapping_symbols_info): New types.
7060         (Target_arm::is_mapping_symbol_name): New method definition.
7061         (Arm_relobj::do_count_local_symbols): Save information about mapping
7062         symbols.
7063
7064 2010-01-11  Doug Kwan  <dougkwan@google.com>
7065
7066         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7067         Arm_relocate_functions::thumb32_branch_upper,
7068         Arm_relocate_functions::thumb32_branch_lower,
7069         Arm_relocate_functions::thumb32_cond_branch_offset,
7070         Arm_relocate_functions::thumb32_cond_branch_upper,
7071         Arm_relocate_functions::thumb32_cond_branch_lower,
7072         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7073         branch offset encoding.
7074         (Arm_relocate_functions::thumb_branch_common): Use new branch
7075         offset encoding methods to avoid code duplication.
7076         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7077         (Stub_addend_reader::operator()): Use new branch encoding method
7078         to avoid code duplication.
7079
7080 2010-01-11  Doug Kwan  <dougkwan@google.com>
7081
7082         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7083         (Target_arm::do_finalize_sections): Define special EXIDX section
7084         symbols only if referenced.
7085         * gc.h (Garbage_collection::add_reference): New method.
7086         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7087         code duplication.
7088
7089 2010-01-11  Ian Lance Taylor  <iant@google.com>
7090
7091         * script.cc (Version_script_info::build_expression_list_lookup):
7092         Change complaing about duplicate wildcard match from error to
7093         warning.
7094
7095         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7096         of 2009-12-30.
7097         (Version_script_info::Version_script_info): Initialize globs_,
7098         default_version_, default_is_global_, and exact_.  Don't
7099         initialize globals_ or locals_.
7100         (Version_script_info::build_lookup_tables): Build local symbols
7101         first.
7102         (Version_script_info::unquote): New function.
7103         (Version_script_info::add_exact_match): New function.
7104         (Version_script_info::build_expression_list_lookup): Remove lookup
7105         parameter.  Add is_global parameter.  Change all callers.  Handle
7106         wildcard pattern specially.  Unquote pattern.  Call
7107         add_exact_match.
7108         (Version_script_info::get_name_to_match): New function.
7109         (Version_script_info::get_symbol_version): New function.
7110         (Version_script_info::get_symbol_version_helper): Remove.
7111         (Version_script_info::check_unmatched_names): Call unquote.
7112         * script.h (class Version_script_info): Change get_symbol_version
7113         to be non-inline and add is_global parameter; change all callers.
7114         Rewrite symbol_is_local.  Update declarations.  Define struct
7115         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7116         Remove globals_ and locals_ members.  Add exact_, globs_,
7117         default_version_, is_global_.
7118         (Version_script_info::Glob): Remove pattern, add expression and
7119         is_global.  Update constructor.  Change all callers.
7120         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7121         default version.
7122         (Versions::symbol_section_contents): If a symbol is undefined, or
7123         defined in a dynamic object, set the version index to
7124         VER_NDX_LOCAL.
7125         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7126         symbol_is_local.
7127         (Symbol_table::add_from_pluginobj): Likewise.
7128         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7129
7130 2010-01-11  Doug Kwan  <dougkwan@google.com>
7131
7132         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7133         (incremental_dump_LDADD): Add linking option for libintl.
7134         * Makefile.in: Regenerate.
7135
7136 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7137
7138         PR gold/11144
7139         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7140         instead of -Ds.
7141         * testsuite/Makefile.in: Regenerated.
7142
7143 2010-01-10  Doug Kwan  <dougkwan@google.com>
7144
7145         * options.h (DEFINE_var): Use parentheses around argument varname__
7146         in macro body to avoid any unintended subsequent substitutions.
7147
7148 2010-01-10  Ian Lance Taylor  <iant@google.com>
7149
7150         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7151         candidates before doing symbol resolution.
7152
7153         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7154         ODR candidates if only one is weak.
7155
7156 2010-01-08  Ian Lance Taylor  <iant@google.com>
7157
7158         * script.cc (Version_script_info::build_expression_list_lookup):
7159         Don't warn about ambiguous version, just record the ambiguity.
7160         (Version_script_info::get_symbol_version_helper): Give error if
7161         version is ambiguous.
7162
7163 2010-01-08  Doug Kwan  <dougkwan@google.com>
7164
7165         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7166           prev_data_size_ and prev_addralign_.  Remove initializer for
7167           deleted data member has_been_changed_.
7168           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7169           to determine if the table is empty.
7170           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7171           Remove.
7172           (Stub_table::add_reloc_stub): Define method in class definition
7173           instead of just declaring it there.
7174           (Stub_table::add_cortex_a8_stub): New method definition.
7175           (Stub_table::update_data_size_and_addralign): Ditto.
7176           (Stub_table::finalize_stubs): Ditto.
7177           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7178           (Stub_table::do_addralign_): Return address alignment in the
7179           (Stub_table::do_reset_address_and_file_offset): Define method in
7180           class definition instead of declaring it there.  Set current data
7181           size to be the data size of the previous pass.
7182           (Stub_table::set_final_data_size): Use current data size as the
7183           final data size.
7184           (Stub_table::relocate_stub): Change parameter type of stub from
7185           Reloc_stub pointer to Stub pointer.
7186           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7187           (Stub_table::Cortex_a8_stub_list): New typedef.
7188           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7189            Stub_table::prev_addralign_): New data member.
7190           (Arm_relobj::Arm_relobj): Initialize data member
7191           section_has_cortex_a8_workaround_.
7192           (Arm_relobj::section_has_cortex_a8_workaround,
7193            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7194            definitions.
7195           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7196           declarations.
7197           (Target_arm::relocate_stub): Change parameter type of stub from
7198           Reloc_stub pointer to Stub pointer.
7199           (Insn_template::size, Insn_template::alignment): Handle
7200           THUMB16_SPECIAL_TYPE.
7201           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7202            Stub_table::update_data_size_and_addralign,
7203            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7204           definitions.
7205           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7206           (Stub_table::do_write): Ditto.
7207           (Target_arm::do_relax): Adjust code for changes in Stub_table.
7208
7209 2010-01-08  Ian Lance Taylor  <iant@google.com>
7210
7211         PR 11108
7212         * symtab.h (class Symbol): Remove fields is_target_special_ and
7213         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7214         (Symbol::is_defined_in_discarded_section): New function.
7215         (Symbol::set_is_defined_in_discarded_section): New function.
7216         (Symbol::has_plt_offset): Rewrite.
7217         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7218         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7219         Don't initialize is_target_special_ or has_plt_offset_.
7220         Initialize is_defined_in_discarded_section_.
7221         (Symbol_table::add_from_relobj): If appropriate, set
7222         is_defined_in_discarded_section.
7223         * resolve.cc (Symbol::override_base_with_special): Don't test
7224         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7225         * target-reloc.h (relocate_section): Do special handling for
7226         symbols defined in discarded sections for global symbols as well
7227         as local symbols.
7228
7229 2010-01-08  Ian Lance Taylor  <iant@google.com>
7230
7231         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7232         the SHT_SYMTAB case.
7233
7234 2010-01-08  Ian Lance Taylor  <iant@google.com>
7235
7236         * object.cc (Sized_relobj::do_layout): Don't get confused if
7237         layout_eh_frame returns NULL.
7238
7239 2010-01-08  Ian Lance Taylor  <iant@google.com>
7240
7241         PR 11084
7242         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7243         dynamic symbol table, use the normal symbol table.
7244         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7245         symbol table.
7246
7247 2010-01-08  Ian Lance Taylor  <iant@google.com>
7248
7249         PR 11072
7250         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7251         sections.
7252
7253 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7254
7255         * version.cc (print_version): Change to "Copyright 2010".
7256
7257 2010-01-08  Ian Lance Taylor  <iant@google.com>
7258
7259         PR 10287
7260         PR 11063
7261         * i386.cc (class Target_i386): Change return type of plt_section
7262         to be non-const.
7263         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7264         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7265         tls_desc_rel_ field.
7266         (Output_data_plt_i386::rel_tls_desc): New function.
7267         (Target_i386::rel_tls_desc_section): New function.
7268         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7269         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7270         R_386_TLS_DESC reloc in rel_tls_desc_section.
7271         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7272         Define struct Tlsdesc_info.
7273         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7274         (Target_x86_64::do_reloc_symbol_index): New function.
7275         (Target_x86_64::add_tlsdesc_info): New function.
7276         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7277         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7278         tlsdesc_rel_ field.
7279         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7280         all callers.
7281         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7282         (Target_x86_64::rela_tlsdesc_section): New function.
7283         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7284         handling.
7285         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7286         (Target_x86_64::do_reloc_addend): New function.
7287         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7288         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7289         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7290         (Output_reloc::type): New function.
7291         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7292         (Output_reloc::is_target_specific): New function.
7293         (Output_reloc::target_arg): New function.
7294         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7295         absolute relocs and target specific relocs.
7296         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7297         add_target_specific.
7298         (class Output_data_reloc) [SHT_RELA]: Likewise.
7299         * output.cc (Output_reloc::Output_reloc): Add four new versions
7300         for absolute relocs and target specific relocs.
7301         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7302         (Output_reloc::get_symbol_index): Likewise.
7303         (Output_reloc::local_section_offset): Check that local_sym_index_
7304         is not TARGET_CODE or 0.
7305         (Output_reloc::symbol_value): Likewise.
7306         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7307         reloc.
7308         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7309         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7310         functions.
7311         * layout.cc (add_target_dynamic_tags): Use output section for
7312         DT_PLTRELSZ and DT_JMPREL.
7313
7314 2010-01-07  Ian Lance Taylor  <iant@google.com>
7315
7316         PR 11061
7317         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7318         function.
7319         (class Output_data_reloc_generic): Define.
7320         (class Output_data_reloc_base): Change base class to
7321         Output_data_reloc_generic.  Change add() method to call
7322         bump_relative_reloc_count for a relative reloc.  Remove
7323         sort_relocs_ field.
7324         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7325         to sort_relocs().
7326         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7327         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7328         appropriate.
7329         * layout.h (class Layout): Update declaration.
7330
7331 2010-01-07  Ian Lance Taylor  <iant@google.com>
7332
7333         * output.h (class Output_data): Add const version of
7334         output_section and do_output_section.
7335         (class Output_section_data): Add const version of
7336         do_output_section.
7337         (class Output_section): Likewise.
7338         * layout.cc (Layout::add_target_dynamic_tags): New function.
7339         * layout.h (class Layout): Update declarations.
7340         * arm.cc (Target_arm::do_finalize_sections): Use
7341         add_target_dynamic_tags.
7342         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7343         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7344         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7345         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7346
7347 2010-01-07  Ian Lance Taylor  <iant@google.com>
7348
7349         PR 11042
7350         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7351         object as needed.
7352
7353 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7354             Ian Lance Taylor  <iant@google.com>
7355
7356         PR 11019
7357         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7358         Xindex::read_symtab_xindex.
7359
7360 2010-01-07  Doug Kwan  <dougkwan@google.com>
7361
7362         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7363         (Insn_template::thumb16_bcond_insn): New method declaration.
7364         (Insn_template): Fix spelling.
7365         (Stub::thumb16_special): New method declaration.
7366         (Stub::do_write): Define virtual method which was previously pure
7367         virtual.
7368         (Stub::do_thumb16_special): New method declaration.
7369         (Stub::do_fixed_endian_write): New template member.
7370         (Reloc_stub::do_write): Remove.
7371         (Reloc_stub::do_fixed_endian_write): Remove.
7372         (Cortex_a8_stub): New class definition.
7373         (Stub_factory::make_cortex_a8_stub): New method definition.
7374         (Stub_factory::Stub_factory): Add missing static storage class
7375         qualifier for elf32_arm_stub_a8_veneer_blx.
7376
7377 2010-01-07  Ian Lance Taylor  <iant@google.com>
7378
7379         PR 10980
7380         * options.h (class General_options): Add --warn-unresolved-symbols
7381         and --error-unresolved-symbols.
7382         * errors.cc (Errors::undefined_symbol): Implement
7383         --warn-unresolved-symbols.
7384
7385         * options.h (class General_options): Add -z text and -z textoff.
7386         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7387
7388 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7389
7390         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7391         (Garbage_collection::cident_sections): New function.
7392         (Garbage_collection::add_cident_section): New function.
7393         (Garbage_collection::cident_sections_): New member.
7394         (gc_process_relocs): Add references to sections whose names are C
7395         identifiers.
7396         * gold.h (cident_section_start_prefix): New constant.
7397         (cident_section_stop_prefix): New constant.
7398         (is_cident): New function.
7399         * layout.cc (Layout::define_section_symbols): Replace string constants
7400         with the newly defined constants.
7401         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7402         C identifiers.
7403         * testsuite/Makefile.am: Add gc_orphan_section_test.
7404         * testsuite/Makefile.in: Regenerate.
7405         * testsuite/gc_orphan_section_test.cc: New file.
7406         * testsuite/gc_orphan_section_test.sh: New file.
7407
7408 2010-01-06  Ian Lance Taylor  <iant@google.com>
7409
7410         PR 10980
7411         * options.h (class General_options): Add --warn-shared-textrel.
7412         * layout.cc (Layout::finish_dynamic_section): Implement
7413         --warn-shared-textrel.
7414
7415         PR 10980
7416         * options.h (class General_options): Add --warn-multiple-gp.
7417
7418 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7419
7420         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7421         $(THREADSLIB) and $(LIBDL).
7422         * Makefile.in: Rebuild.
7423
7424 2010-01-06  Ian Lance Taylor  <iant@google.com>
7425
7426         PR 10980
7427         * options.cc (General_options::parse_section_start): New function.
7428         (General_options::section_start): New function.
7429         (General_options::General_options): Initialize all members.
7430         * options.h: Include <map>
7431         (class General_options): Add --section-start.  Add section_starts_
7432         member.
7433         * layout.cc (Layout::attach_allocated_section_to_segment): If
7434         --section-start was used, set the address of the segment.  Remove
7435         local sort_sections.
7436         (Layout::relaxation_loop_body): If the address of the load segment
7437         has been set by --section-start, don't use it.
7438         * output.h (Output_segment::update_flags_for_output_section): New
7439         function.
7440         * output.cc (Output_segment::add_output_section): Call
7441         update_flags_for_output_section.
7442
7443 2010-01-05  Ian Lance Taylor  <iant@google.com>
7444
7445         PR 10980
7446         * options.h (class General_options): Add --undefined-version.
7447         * script.cc (struct Version_expression): Add was_matched_by_symbol
7448         field.
7449         (Version_script_info::matched_symbol): New function.
7450         (Version_script_info::get_symbol_version_helper): Call
7451         matched_symbol.
7452         (Version_script_info::check_unmatched_names): New function.
7453         * script.h (class Version_script_info): Update declarations.
7454         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7455
7456         * options.h (class General_options): Use DEFINE_bool_alias for
7457         allow_multiple_definition.
7458         * resolve.cc (Symbol_table::should_override): Don't test
7459         allow_multiple_definition.
7460
7461         PR 10980
7462         * options.h (class General_options): Add --cref.
7463         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7464         until after printing cref table.
7465         * cref.cc: Include "symtab.h".
7466         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7467         (Cref_table_compare::operator()): New function.
7468         (Cref_inputs::gather_cref): New function.
7469         (filecol): New static const.
7470         (Cref_inputs::print_cref): New function.
7471         (Cref::print_cref): New function.
7472         * cref.h: Include <cstdio>.
7473         (class Cref): Update declarations.
7474         * mapfile.h (Mapfile::file): New function.
7475         * object.h (class Object): Define Symbols.  Declare virtual
7476         do_get_global_symbols.
7477         (Object::get_global_symbols): New function.
7478         * object.cc (Input_objects::add_object): Pass object to cref_ if
7479         --cref.
7480         (Input_objects::archive_start): Likewise.
7481         (Input_objects::archive_stop): Likewise.
7482         (Input_objects::print_cref): New function.
7483         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7484         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7485         --cref.
7486         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7487         function.
7488         * plugin.h (class Sized_pluginobj): Update declarations.
7489
7490 2010-01-05  Ian Lance Taylor  <iant@google.com>
7491
7492         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7493         to is_default_version.  Rename insdef to insdefault.
7494         (Symbol_table::add_from_relobj): Rename def to is_default_version
7495         and local to is_forced_local.
7496         (Symbol_table::add_from_pluginobj): Likewise.
7497         (Symbol_table::add_from_dynobj): Likewise.
7498         (Symbol_table::define_special_symbol): Rename insdef to
7499         insdefault.
7500
7501 2010-01-04  Ian Lance Taylor  <iant@google.com>
7502
7503         PR 10980
7504         * options.h (class General_options): Add
7505         --allow-multiple-definition and -z muldefs.
7506         * resolve.cc (Symbol_table::should_override): Don't warn about a
7507         multiple symbol definition if --allow-multiple-definition or -z
7508         muldefs.
7509
7510         PR 10980
7511         * options.h (class General_options): Add --add-needed and
7512         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7513         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7514         error if --copy-dt-needed-entries aka --add-needed is used and
7515         would cause a change in behaviour.
7516
7517         PR 10980
7518         * options.h (class General_options): Add -G as a short version of
7519         --shared.  Add no-op options -assert, -g, and -i.
7520
7521 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7522
7523         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7524         check for .text or .gnu.linkonce.t sections.
7525         * icf.cc (Icf::find_identical_sections): Ditto.
7526         Change the detection for mangled function name within the section
7527         name.
7528         * icf.h (is_section_foldable_candidate): New function.
7529
7530 2009-12-30  Ian Lance Taylor  <iant@google.com>
7531
7532         PR 10980
7533         * options.h (class General_options): Permit two dashes with
7534         --retain-symbols-file.
7535
7536 2009-12-30  Ian Lance Taylor  <iant@google.com>
7537
7538         PR 10979
7539         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7540         don't put the file header and segment headers in the text
7541         segment.
7542
7543         PR 10979
7544         * common.cc (Sort_commons::operator()): Stabilize sort when both
7545         entries are NULL.
7546         (Symbol_table::do_allocate_commons_list): When allocating common
7547         symbols, skip a symbol which is no longer common.
7548         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7549         an object before checking its type.
7550         * testsuite/common_test_2.c: New file.
7551         * testsuite/common_test_3.c: New file.
7552         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7553         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7554         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7555         (common_test_2_pic.o, common_test_2.so): New targets.
7556         (common_test_3_pic.o, common_test_3.so): New targets.
7557         * testsuite/Makefile.in: Rebuild.
7558
7559         PR 10979
7560         * script.cc (read_input_script): If we see a new SECTIONS clause,
7561         and we have added an input section, give an error.
7562         * layout.h (class Layout): Add have_added_input_section function.
7563         Add have_added_input_section_ field.
7564         * layout.cc (Layout::Layout): Initialize
7565         have_added_input_section_.
7566         (Layout::layout): Set have_added_input_section_.
7567         (Layout::layout_eh_frame): Likewise.
7568
7569 2009-12-30  Ian Lance Taylor  <iant@google.com>
7570
7571         PR 10931
7572         * options.h (class General_options): Add --sort-common option.
7573         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7574         * common.cc (Sort_common): Add sort_order parameter to
7575         constructor.  Add sort_order_ field.
7576         (Sort_commons::operator): Check sort_order_.
7577         (Symbol_table::allocate_commons): Determine the sort order.
7578         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7579         Change all callers.
7580         (Symbol_table::do_allocate_commons_list): Likewise.
7581
7582 2009-12-30  Ian Lance Taylor  <iant@google.com>
7583
7584         PR 10916
7585         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7586         symbols from this object, don't change the visibility of an
7587         undefined symbol.
7588         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7589
7590 2009-12-30  Ian Lance Taylor  <iant@google.com>
7591
7592         PR 10861
7593         * script.h (class Version_script_info): Define Language enum.
7594         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7595         new fields globals_, locals_, and is_finalized_.
7596         * script.cc: Various formatting fixes.
7597         (class Parser_closure): Change language_stack_ from a vector of
7598         std::string to one of Version_script_info::Language.  Adjust all
7599         uses accordingly.
7600         (class Lazy_demangler): Remove.
7601         (struct Version_expression): Change language from std::string to
7602         Version_script_info::Language.
7603         (Version_script_info::Version_script_info): New function.
7604         (Version_script_info::~Version_script_info): Don't call clear.
7605         (Version_script_info::finalize): New function.
7606         (Version_script_info::build_lookup_tables): New function.
7607         (Version_script_info::build_expression_list_lookup): New
7608         function.
7609         (Version_script_info::get_symbol_version_helper): Rewrite to use
7610         lookup tables.
7611         (Version_script_info::print_expression_list): Adjust to use
7612         Version_script_info::Language.
7613         (script_push_lex_into_version_mode): Check that the version script
7614         has not been finalized.
7615         (version_script_push_lang): Change language string to
7616         Version_script_info::Language.
7617         * options.cc (Command_line::version_script): New function.
7618         * options.h (class General_options): Add finalize_dynamic_list
7619         function.  Change version_script from declaration to definition.
7620         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7621         * testsuite/version_script.map: Remove duplicate def of foo.
7622         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7623         version_script.map.
7624         * testsuite/Makefile.in: Rebuild.
7625
7626 2009-12-30  Ian Lance Taylor  <iant@google.com>
7627
7628         PR 10843
7629         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7630         if the input symbol index is 0, make the output symbol index 0.
7631
7632 2009-12-30  Ian Lance Taylor  <iant@google.com>
7633
7634         PR 10670
7635         * options.h (class General_options): Add -x/--discard-all.
7636         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7637         --discard-all.  If the local symbol needs a dynamic entry, check
7638         that before handling --discard-locals.
7639
7640 2009-12-30  Ian Lance Taylor  <iant@google.com>
7641
7642         PR 10450
7643         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7644         flags to PF_R.
7645         (Output_segment::add_output_section): Don't change the flags if
7646         the type is PT_TLS.
7647
7648         PR 10450
7649         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7650         GNU hash table if they need a dynamic value.  Otherwise, don't add
7651         them if they are defined in a dynamic object or are forced local.
7652
7653 2009-12-29  Ian Lance Taylor  <iant@google.com>
7654
7655         PR 10450
7656         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7657         .gnu.hash table for a 32-bit target.
7658
7659         PR 10450
7660         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7661         regular and a dynamic object only needs a dynamic symbol table
7662         entry if it is externally visible.
7663
7664         PR 10450
7665         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7666         constructor.  Add global_offset_table_ field.
7667         (Target_i386::got_section): Set global_offset_table_.
7668         (Target_i386::do_finalize_sections): Set global_offset_table_
7669         size.
7670         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7671         in constructor.  Add global_offset_table_ field.
7672         (Target_x86_64::got_section): Set global_offset_table_.
7673         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7674         size.
7675
7676         * layout.cc (Layout::Layout): Initialize increase_relro_.
7677         (Layout::get_output_section): Add is_relro, is_last_relro, and
7678         is_first_non_relro parameters.  Change all callers.
7679         (Layout::choose_output_section): Likewise.
7680         (Layout::add_output_section_data): Likewise.
7681         (Layout::make_output_section): Likewise.
7682         (Layout::set_segment_offsets): Clear increase_relro when using a
7683         linker script.
7684         * layout.h (class Layout): Add increase_relro method.  Add
7685         increase_relro_ field.  Update declarations.
7686         * output.cc (Output_section::Output_section): Initialize
7687         is_last_relro_ and is_first_non_relro_.
7688         (Output_segment::add_output_section): Group relro sections is
7689         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7690         (Output_segment::maximum_alignment): Remove relro handling.
7691         (Output_segment::set_section_addresses): Add increase_relro
7692         parameter.  Change all callers.  Add initial alignment to align
7693         relro sections on separate page.  Remove old relro handling.
7694         (Output_segment::set_section_list_addresses): Remove in_relro
7695         parameter.  Change all callers.
7696         (Output_segment::set_offset): Add increase parameter.  Change all
7697         callers.  Remove old relro handling.
7698         * output.h (class Output_section): Add new methods: is_last_relro,
7699         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7700         Add is_last_relro_ and is_first_non_relro_ fields.
7701         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7702         Create separate .got.plt section.  Call increase_relro.
7703         * x86_64.cc (Target_x86_64::got_section): Likewise.
7704         * testsuite/relro_script_test.t: Add .got.plt.
7705
7706         PR 10450
7707         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7708         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7709         (Layout::finalize): Call set_dynamic_symbol_size.
7710         (Layout::set_dynamic_symbol_size): New function.
7711         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7712         set_dynamic_symbol_size.
7713
7714         PR 10450
7715         * output.h (class Output_section): Add is_entsize_zero_ field.
7716         * output.cc (Output_section::Output_section): Initialize
7717         is_entsize_zero_.
7718         (Output_section::set_entsize): If two different entsizes are
7719         requested, force it to zero.
7720         (Output_section::add_input_section): Set flags for .debug_str
7721         before updating section flags.  Set entsize.
7722         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7723         and SHF_STRING if all input sections have those flags.
7724
7725 2009-12-29   Rafael Espindola  <espindola@google.com>
7726
7727         * main.cc (main): Fix the sys time reporting.
7728         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7729         reporting.
7730
7731 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7732
7733         * options.cc (General_options::parse_version): Allow -v to exit
7734         without an error if there is nothing to link.
7735
7736 2009-12-29  Ian Lance Taylor  <iant@google.com>
7737
7738         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7739         using a version of gcc before 4.1.
7740         * configure: Rebuild.
7741
7742 2009-12-28  Chris Demetriou  <cgd@google.com>
7743
7744         * attributes.cc (Output_attributes_section_data::do_write): Use
7745         std::vector::front rather than std::vector::data.
7746
7747 2009-12-28  Ian Lance Taylor  <iant@google.com>
7748
7749         * symtab.h (class Symbol_table): Add enum Defined.
7750         * resolve.cc (Symbol_table::should_override): Add defined
7751         parameter.  Change all callers.  Test whether object is NULL
7752         before calling a method on it.
7753         (Symbol_table::report_resolve_problem): Add defined parameter.
7754         Change all callers.
7755         (Symbol_table::should_override_with_special): Likewise.
7756         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7757         parameter.  Change all callers.
7758         (Symbol_table::do_define_in_output_data): Likewise.
7759         (Symbol_table::define_in_output_segment): Likewise.
7760         (Symbol_table::do_define_in_output_segment): Likewise.
7761         (Symbol_table::define_as_constant): Likewise.
7762         (Symbol_table::do_define_as_constant): Likewise.
7763         * script.h (class Symbol_assignment): Add is_defsym parameter to
7764         constructor; change all callers.
7765         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7766         parameter.  Change all callers.  Add is_defsym_ field.
7767         (class Parser_closure): Add parsing_defsym parameter to
7768         constructor; change all callers.  Add parsing_defsym accessor
7769         function.  Add parsing_defsym_ field.
7770
7771 2009-12-28  Ian Lance Taylor  <iant@google.com>
7772
7773         * gold.cc (queue_middle_tasks): Fix formatting.
7774         * object.cc (Relobj::is_section_name_included): Likewise.
7775
7776 2009-12-23  Ian Lance Taylor  <iant@google.com>
7777
7778         * i386.cc (Target_i386::do_calls_non_split): Recognize
7779         -fsplit-stack prologue for a function with a static chain.
7780         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7781         -fsplit-stack prologue when using %r11.
7782
7783 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7784
7785         * options.cc (General_options::parse_version): Make -v continue and do
7786         the link like GNU ld does.
7787
7788 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7789
7790         * Makefile.am (CCFILES): Add timer.cc.
7791         (HFILES): Add timer.h.
7792         * configure.ac: Check for sysconf and times.
7793         * main.cc: include timer.h.
7794         (main): Use Timer instead of get_run_time.
7795         * timer.cc: New.
7796         * timer.h: New.
7797         * workqueue.cc: include timer.h.
7798         (Workqueue::find_and_run_task):
7799         Report user, sys and wall time.
7800         * Makefile.in: Regenerate.
7801         * config.in: Regenerate.
7802         * configure: Regenerate.
7803
7804 2009-12-16  Doug Kwan  <dougkwan@google.com>
7805
7806         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7807         sections.
7808         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7809         relaxed input sections.
7810         * output.cc (Output_section::find_relaxed_input_section): Change
7811         return type to Output_relaxed_input_section pointer.  Adjust code
7812         for new type of relaxed_input_section_map_.
7813         * output.h (Output_section::find_relaxed_input_section): Change
7814         return type to Output_relaxed_input_section pointer.
7815         (Output_section::Output_relaxed_input_section_by_input_section_map):
7816         New type.
7817         (Output_section::relaxed_input_section_map_): Change type to
7818         Output_section::Output_relaxed_input_section_by_input_section_map.
7819         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7820         input section.
7821
7822 2009-12-15  Ian Lance Taylor  <iant@google.com>
7823
7824         * layout.cc (Layout::create_shstrtab): Only write out after input
7825         sections if we are compressing debug sections.
7826
7827 2009-12-15  Ian Lance Taylor  <iant@google.com>
7828
7829         * archive.cc (Archive::add_symbols): Only look up a symbol without
7830         a version if there is, in fact, a version.
7831
7832 2009-12-14  Ian Lance Taylor  <iant@google.com>
7833
7834         Revert -Wshadow changes, all changes from:
7835         2009-12-11  Doug Kwan  <dougkwan@google.com>
7836         2009-12-11  Nick Clifton  <nickc@redhat.com>
7837         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7838
7839 2009-12-11  Doug Kwan  <dougkwan@google.com>
7840
7841         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7842         due to -Wshadow.
7843         * attributes.cc (Object_attribute::size): Ditto.
7844         (Attributes_section_data::size): Ditto.
7845         (Attributes_section_data::Attributes_section_data): Ditto.
7846         (Output_attributes_section_data::do_write): Ditto.
7847         * attributes.h (Object_attribute::set_type): Ditto.
7848         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7849
7850 2009-12-11  Nick Clifton  <nickc@redhat.com>
7851
7852         * archive.cc: Fix shadowed variable warnings.
7853         * arm.cc: Likewise.
7854         * compressed_output.cc: Likewise.
7855         * compressed_output.h: Likewise.
7856         * configure: Likewise.
7857         * dwarf_reader.cc: Likewise.
7858         * dynobj.cc: Likewise.
7859         * dynobj.h: Likewise.
7860         * ehframe.cc: Likewise.
7861         * ehframe.h: Likewise.
7862         * errors.cc: Likewise.
7863         * expression.cc: Likewise.
7864         * fileread.cc: Likewise.
7865         * fileread.h: Likewise.
7866         * freebsd.h: Likewise.
7867         * i386.cc: Likewise.
7868         * icf.cc: Likewise.
7869         * incremental.h: Likewise.
7870         * layout.cc: Likewise.
7871         * layout.h: Likewise.
7872         * mapfile.cc: Likewise.
7873         * merge.cc: Likewise.
7874         * merge.h: Likewise.
7875         * object.cc: Likewise.
7876         * object.h: Likewise.
7877         * options.h: Likewise.
7878         * output.cc: Likewise.
7879         * output.h: Likewise.
7880         * parameters.cc: Likewise.
7881         * plugin.cc: Likewise.
7882         * powerpc.cc: Likewise.
7883         * reduced_debug_output.cc: Likewise.
7884         * reduced_debug_output.h: Likewise.
7885         * reloc.cc: Likewise.
7886         * reloc.h: Likewise.
7887         * resolve.cc: Likewise.
7888         * script-sections.cc: Likewise.
7889         * script.cc: Likewise.
7890         * script.h: Likewise.
7891         * sparc.cc: Likewise.
7892         * symtab.cc: Likewise.
7893         * symtab.h: Likewise.
7894         * target-select.cc: Likewise.
7895         * target-select.h: Likewise.
7896         * token.h: Likewise.
7897         * workqueue.cc: Likewise.
7898         * workqueue.h: Likewise.
7899         * x86_64.cc: Likewise.
7900
7901 2009-12-10  Doug Kwan  <dougkwan@google.com>
7902
7903         * arm.cc (attributes.h): New include.
7904         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7905         (Arm_relobj::~Arm_relobj): Delete object pointed by
7906         attributes_section_data_.
7907         (Arm_relobj::attributes_section_data): New method definition.
7908         (Arm_relobj::attributes_section_data_): New data member declaration.
7909         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7910         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7911         attributes_section_data_.
7912         (Arm_dynobj::attributes_section_data): New method definition.
7913         (Arm_dynobj::attributes_section_data_): New data member declaration.
7914         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7915         initialization value of may_use_blx_ to false.
7916         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7917         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7918         object attributes to compute results instead of hard-coding.
7919         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7920         Target_arm::get_secondary_compatible_arch,
7921         Target_arm::set_secondary_compatible_arch
7922         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7923         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7924         New method declarations.
7925         (Target_arm::get_aeabi_object_attribute): New method definition.
7926         (Target_arm::attributes_section_data_): New data member declaration.
7927         (read_arm_attributes_section): New template definition.
7928         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7929         (Arm_dynobj::do_read_symbols): Ditto.
7930         (Target_arm::do_finalize_sections): Merge attributes sections from
7931         input.  Check for BLX use after attributes section merging.
7932         Fix __exidx_start and __exidx_end visibility.  Create an
7933         .ARM.attributes section if necessary.
7934         (Target_arm::get_secondary_compatible_arch,
7935         Target_arm::set_secondary_compatible_arch,
7936         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7937         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7938         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7939         New method definitions.
7940
7941 2009-12-09  Ian Lance Taylor  <iant@google.com>
7942
7943         * plugin.cc (Plugin::load): Don't cast from void* to a function
7944         pointer.
7945
7946 2009-12-09  Ian Lance Taylor  <iant@google.com>
7947
7948         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7949         information fields.
7950
7951 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7952
7953         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7954         Replace two_file_shared_1.so with two_file_shared_2.so.
7955         * testsuite/Makefile.in: Regenerated.
7956
7957 2009-12-08  Doug Kwan  <dougkwan@google.com>
7958
7959         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7960         (HFILES): Add attributes.h and int_encoding.h.
7961         * Makefile.in: Regenerate.
7962         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7963         function definitions to int_encoding.cc
7964         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7965         prototypes to int_encoding.h
7966         * reduced_debug_output.cc (int_encoding.h): New include.
7967         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7968         function definitions to int_encoding.cc
7969         (insert_into_vector, read_from_pointer): Move template definitions to
7970         int_encoding.h
7971         * attributes.cc: New file.
7972         * attributes.h: New file.
7973         * int_encoding.cc: New file.
7974         * int_encoding.h: New file.
7975
7976 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7977
7978         PR gold/11055
7979         * incremental-dump.cc (dump_incremental_inputs): New.
7980         (main): Use dump_incremental_inputs.
7981
7982 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7983
7984         PR gold/10893
7985         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7986         checking elfcpp::STT_FUNC.
7987         (Target_i386::Relocate::relocate): Likewise.
7988         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7989
7990         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7991         symbols from shared libraries into normal FUNC symbols.
7992
7993         * symtab.h (Symbol): Add is_func and use it.
7994
7995 2009-12-05  Doug Kwan  <dougkwan@google.com>
7996
7997         * arm.cc (Target_arm::arm_info): Initialize new fields
7998         attributes_section and attributes_vendor.
7999         * i386.cc (Target_i386::i386_info): Same.
8000         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8001         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8002         fields attributes_section and attributes_vendor.
8003         * sparc.cc (Target_sparc::sparc_info): Same.
8004         * target.h (Target::attributes_section, Target::attributes_vendor,
8005         Target::is_attributes_section, Target::attribute_arg_type,
8006         Target::attributes_order): New method definitions.
8007         (Target::Target_info::attributes_section,
8008         Target::Target_info::attributes_vendor): New fields.
8009         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8010         virtual method definitions.
8011         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8012         attributes_section and attributes_vendor.
8013         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8014
8015 2009-12-05  Doug Kwan  <dougkwan@google.com>
8016
8017         * arm.cc: Update comments about interworking and stub generation.
8018         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8019         considered as non-PIC.
8020         (Arm_relocate_functions::base_abs): Fix formatting.
8021         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8022         of function to use GOT entry address instead of offset.
8023         (Target_arm::Scan::global): Issue an error if a symbol would need a
8024         PLT does not get one because it is untyped.  Remove code to create
8025         dynamic symbols for relative branches.
8026         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8027         takes unsigned integer instead of boolean.
8028
8029 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8030
8031         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8032         (two_file_test_LDADD): Likewise.
8033         (common_test_1_LDADD): Likewise.
8034         (exception_test_LDADD) Likewise.
8035         (weak_test_LDADD): Likewise.
8036         (many_sections_test_LDADD): Likewise.
8037         (initpri1_LDADD): Likewise.
8038         (script_test_1_LDADD): Likewise.
8039         (script_test_2_LDADD): Likewise.
8040         (justsyms_LDADD): Likewise.
8041         (binary_test_LDADD): Likewise.
8042         (large_LDADD): Likewise.
8043         * testsuite/Makefile.in: Regenerated.
8044
8045 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8046
8047         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8048         (Symbol_table::override_with_special): Likewise.
8049         (Symbol_table::add_from_object): Likewise.
8050
8051 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8052
8053         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8054         Don't set the data_offset twice.
8055
8056 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8057
8058         * testsuite/Makefile.in: Regenerate.
8059
8060 2009-12-03  Doug Kwan  <dougkwan@google.com>
8061
8062         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8063         (Target_arm::do_finalize_sections): Add parameter for symbol table
8064         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8065         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8066         parameter for symbol table pointer.
8067         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8068         an additional parameter for a pointer to symbol table.
8069         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8070         parameter for a symbol table pointer.
8071         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8072         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8073         Ditto.
8074         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8075         parameter for a symbol table pointer.
8076
8077 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8078
8079         * incremental.cc (Incremental_inputs_header)
8080         (Incremental_inputs_header_write, Incremental_inputs_entry)
8081         (Incremental_inputs_entry_write): Move ...
8082         * incremental.h (Incremental_inputs_header)
8083         (Incremental_inputs_header_write, Incremental_inputs_entry)
8084         (Incremental_inputs_entry_write): here.
8085
8086 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8087
8088         * incremental.cc (make_sized_incremental_binary): Set the target.
8089         Error if it is incompatible.
8090         * output.h (Output_file): Add filename method.
8091
8092 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8093
8094         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8095         from the get_* methods.
8096
8097 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8098
8099         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8100         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8101         Write 0 for the data_offset of scripts.
8102
8103 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8104
8105         * testsuite/Makefile.am: Add the incremental_test.sh test.
8106         * testsuite/incremental_test.sh: New.
8107         * testsuite/incremental_test_1.c: New.
8108         * testsuite/incremental_test_2.c: New.
8109
8110 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8111
8112        * incremental-dump.cc (main): Fix typos.
8113
8114 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8115
8116         PR gold/11025
8117         * incremental-dump.cc (main): Use llu to print 64 bit values.
8118
8119 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8120             H.J. Lu  <hongjiu.lu@intel.com>
8121
8122         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8123         $(LIBDL).
8124         (incremental_dump_LDADD): Likewise.
8125         * Makefile.in: Regenerated.
8126
8127 2009-11-25  Doug Kwan  <dougkwan@google.com>
8128
8129         Revert:
8130
8131         2009-11-25  Doug Kwan  <dougkwan@google.com>
8132
8133                 * arm.cc (Target_arm::Target_arm): Move method definition
8134                 outside of class definition.  Add code to handle
8135                 --target1-rel, --target1-abs and --target2= options.
8136                 (Target_arm::get_reloc_reloc_type): Change method to be
8137                 non-static and const.
8138                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8139                 New data member declaration.
8140                 (Target_arm::Scan::local, Target_arm::Scan::global,
8141                 Target_arm::Relocate::relocate,
8142                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8143                 Adjust call to Target_arm::get_real_reloc_type.
8144                 (Target_arm::get_real_reloc_type): Use command line options
8145                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8146                 * options.h (--target1-rel, --target1-abs, --target2): New
8147                 ARM-only options.
8148
8149 2009-11-25  Doug Kwan  <dougkwan@google.com>
8150
8151         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8152         class definition.  Add code to handle --target1-rel, --target1-abs
8153         and --target2= options.
8154         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8155         and const.
8156         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8157         member declaration.
8158         (Target_arm::Scan::local, Target_arm::Scan::global,
8159         Target_arm::Relocate::relocate,
8160         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8161         call to Target_arm::get_real_reloc_type.
8162         (Target_arm::get_real_reloc_type): Use command line options to
8163         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8164         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8165         options.
8166
8167 2009-11-25  Doug Kwan  <dougkwan@google.com>
8168
8169         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8170         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8171         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8172         formatting.
8173         (Arm_relocate_functions::thm_call): Replace body with a call to
8174         Arm_relocate_functions::thumb_branch_common.
8175         (Arm_relocate_functions::thm_jump24,
8176         Arm_relocate_functions::thm_xpc22): New method definitions.
8177         (Arm_relocate_functions::thumb_branch_common): New method definition.
8178         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8179         operator.
8180         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8181         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8182
8183 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8184
8185         * Makefile.am: Build incremental-dump
8186         * Makefile.in: Regenerate.
8187         * incremental-dump.cc: New.
8188         * incremental.cc (Incremental_inputs_header_data,
8189         Incremental_inputs_entry_data): Move to incremental.h
8190         * incremental.h: (Incremental_inputs_header_data,
8191         Incremental_inputs_entry_data): Move from incremental.cc
8192
8193 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8194
8195         * incremental.cc (Incremental_inputs_header,
8196         Incremental_inputs_header_write, Incremental_inputs_entry,
8197         Incremental_inputs_entry_write): Add a typedef with the data type.
8198
8199 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8200
8201         * incremental.cc (Incremental_inputs_header,
8202         Incremental_inputs_header_write, Incremental_inputs_entry,
8203         Incremental_inputs_entry_write): Update comment about which
8204         type has the filed descriptions.
8205
8206 2009-11-15  Doug Kwan  <dougkwan@google.com>
8207
8208         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8209         (Arm_relocate_functions::arm_branch_common): Change method defintion
8210         in class definition to a method declaration and update list of formal
8211         parameters.
8212         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8213         Arm_relocation_functions::jump24): Adjust call to
8214         Arm_relocate_functions::arm_branch_common.  Update list of formal
8215         parameters.
8216         (Arm_relocate_functions::xpc25): New method definition.
8217         (Arm_relocate_functions::arm_branch_common): Move method defintion
8218         out from class definition.  Use stubs for mode-switching and extending
8219         branch ranges.
8220         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8221         specially.  Change code to enable use of stubs in ARM branches.
8222
8223 2009-11-10  Doug Kwan  <dougkwan@google.com>
8224
8225         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8226         in method declaration.
8227         (Target_arm::relocate_stub): New method declaration.
8228         (Target_arm::default_target): Change to return a pointer instead of
8229         a const reference.
8230         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8231         Target_arm::default_target.
8232         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8233         method definition.
8234         (Target_arm::relocate_section): Adjust view.
8235         (Target_arm::relocate_stub): New method definition.
8236
8237 2009-11-10  Doug Kwan  <dougkwan@google.com>
8238
8239         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8240         a format warning.
8241         * incremental.cc (open_incremental_binary): Initialized local
8242         variables to avoid warnings.
8243         * object.cc (make_elf_object): Ditto.
8244         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8245         a format warning.
8246
8247 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8248
8249         PR gold/10930
8250         * testsuite/plugin_test.c: Include "config.h".
8251
8252 2009-11-09  Doug Kwan  <dougkwan@google.com>
8253
8254         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8255         (arm_symbol_value): Remove.
8256         (Arm_relocate_functions::arm_branch_common,
8257         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8258         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8259         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8260         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8261         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8262         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8263         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8264         Arm_relocate_functions::thm_mobw_abs_nc,
8265         Arm_relocate_functions::thm_mov_abs,
8266         Arm_relocate_functions::movw_prel_nc,
8267         Arm_relocate_functions::thm_movt_abs,
8268         Arm_relocate_functions::movt_prel,
8269         Arm_relocate_functions::thm_movw_prel_nc,
8270         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8271         (Target_arm::Relocate::relocate): Only decompose address into two
8272         parts if relocation type uses the thumb-bit and pass the actual
8273         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8274         calls to methods in Arm_relocate_functions for this change.
8275
8276 2009-11-08  Ian Lance Taylor  <iant@google.com>
8277
8278         PR 10925
8279         * reloc.cc: Instantiate
8280         Sized_relobj::initialize_input_to_output_maps and
8281         Sized_relobj:free_input_to_output_maps.
8282
8283 2009-11-06  Ian Lance Taylor  <iant@google.com>
8284
8285         PR 10876
8286         * defstd.cc (in_segment): Set only_if_ref true for "end".
8287
8288 2009-11-06  Doug Kwan  <dougkwan@google.com>
8289
8290         * arm.cc (class Reloc_stub): Correct a comment.
8291         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8292         (Target_arm::scan_section_for_stubs): New method declaration.
8293         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8294         Change methods from private to protected.
8295         (Target_arm::do_may_relax): New method definition.
8296         (Target_arm::do_relax, Target_arm::group_sections,
8297         Target_arm::scan_reloc_for_stub,
8298         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8299         (Target_arm::arm_input_section_map_): New data member declaration.
8300         (Target_arm::scan_reloc_for_stub,
8301         Target_arm::scan_reloc_section_for_stubs,
8302         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8303         Target_arm::do_relax): New method definitions.
8304
8305 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8306
8307         * configure.ac: Check for (struct stat)::st_mtim
8308         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8309         * config.in: Regenerate.
8310         * configure: Regenerate.
8311
8312 2009-11-05  Ian Lance Taylor  <iant@google.com>
8313
8314         PR 10910
8315         * output.cc (Output_segment::add_output_section): Add missing
8316         return statement.
8317
8318 2009-11-04  Ian Lance Taylor  <iant@google.com>
8319
8320         PR 10880
8321         * object.h (class Object): Add is_needed and set_is_needed
8322         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8323         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8324         defined in a dynamic object and referenced by a regular object,
8325         set is_needed for the dynamic object.
8326         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8327         if the file is marked with as_needed and it is not needed.
8328
8329 2009-11-04  Ian Lance Taylor  <iant@google.com>
8330
8331         PR 10887
8332         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8333         tags if data is discarded by linker script.
8334         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8335         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8336         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8337         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8338
8339 2009-11-04  Ian Lance Taylor  <iant@google.com>
8340
8341         * layout.cc (Layout::get_output_section): Add is_interp and
8342         is_dynamic_linker_section parameters.  Change all callers.
8343         (Layout::choose_output_section): Likewise.
8344         (Layout::make_output_section): Likewise.
8345         (Layout::add_output_section_data): Add is_dynamic_linker_section
8346         parameter.  Change all callers.
8347         * layout.h (class Layout): Update declarations.
8348         * output.h (class Output_section): Add is_interp, set_is_interp,
8349         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8350         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8351         generate_code_fills_at_write_ to a bitfield.
8352         * output.cc (Output_section::Output_sections): Initialize new
8353         fields.
8354         (Output_segment::add_output_section): Add do_sort parameter.
8355         Change all callers.
8356
8357 2009-11-03  Ian Lance Taylor  <iant@google.com>
8358
8359         PR 10860
8360         * options.h (class General_options): Add --warn-common.
8361         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8362         merging two common symbols.
8363         (Symbol_table::should_override): Handle --warn-common when merging
8364         a common symbol with a defined symbol.  Use report_resolve_problem
8365         for multiple definitions.
8366         (Symbol_table::report_resolve_problem): New function.
8367         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8368
8369 2009-11-03  Doug Kwan  <dougkwan@google.com>
8370
8371         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8372         stub_factory_.
8373         (Target_arm::stub_factory): New method definition.
8374         (Target_arm::new_arm_input_section,
8375         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8376         Target_arm::reloc_uses_thumb_bit): New method declarations.
8377         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8378         New type definitions.
8379         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8380         member declarations.
8381         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8382         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8383         New method definitions.
8384
8385 2009-11-03  Ian Lance Taylor  <iant@google.com>
8386
8387         * options.h (class General_options): Add --warn_constructors.
8388
8389 2009-11-03  Ian Lance Taylor  <iant@google.com>
8390
8391         PR 10893
8392         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8393         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8394
8395 2009-11-03  Ian Lance Taylor  <iant@google.com>
8396
8397         PR 10895
8398         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8399         --msgid-bugs-address.
8400         (install-pdf): New target.
8401         (install-data_yes): Look up one directory to find mkinstalldirs.
8402
8403 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8404
8405         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8406         tree.
8407
8408 2009-10-30  Doug Kwan  <dougkwan@google.com>
8409
8410         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8411
8412 2009-10-30  Doug Kwan  <dougkwan@google.com>
8413
8414         * arm.cc (Stub_addend_reader): New struct template definition
8415         and partial specializations.
8416         (Stub_addend_reader::operator()): New method definition for a
8417         partially specialized template.
8418
8419 2009-10-30  Doug Kwan  <dougkwan@google.com>
8420
8421         * arm.cc (Arm_relobj::processor_specific_flags): New method
8422         definition.
8423         (Arm_relobj::do_read_symbols): New method declaration.
8424         (Arm_relobj::processor_specific_flags_): New data member declaration.
8425         (Arm_dynobj): New class definition.
8426         (Target_arm::do_finalize_sections): Add input_objects parameter.
8427         (Target_arm::do_adjust_elf_header): New method declaration.
8428         (Target_arm::are_eabi_versions_compatible,
8429         (Target_arm::merge_processor_specific_flags): New method declaration.
8430         (Target_arm::do_make_elf_object): New overloaded method definitions
8431         and declaration.
8432         (Arm_relobj::do_read_symbols): New method definition.
8433         (Arm_dynobj::do_read_symbols): Ditto.
8434         (Target_arm::do_finalize_sections): Add input_objects parameters.
8435         Merge processor-specific flags from all input objects.
8436         (Target_arm::are_eabi_versions_compatible,
8437         Target_arm::merge_processor_specific_flags,
8438         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8439         New method definitions.
8440         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8441         Input_objects pointer type parameter.
8442         * layout.cc (Layout::finalize): Pass input objects to target's.
8443         finalize_sections function.
8444         * output.cc (Output_file_header::do_sized_write): Set ELF file
8445         header's processor-specific flags.
8446         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8447         Input_objects pointer type parameter.
8448         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8449         * target.h (Input_objects): New forward class declaration.
8450         (Target::processor_specific_flags,
8451         Target::are_processor_specific_flags_sect): New method definitions.
8452         (Target::finalize_sections): Add input_objects parameter.
8453         (Target::Target): Initialize processor_specific_flags_ and
8454         are_processor_specific_flags_set_.
8455         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8456         parameter.
8457         (Target::set_processor_specific_flags): New method definition.
8458         (Target::processor_specific_flags_,
8459         Target::are_processor_specific_flags_set_): New data member
8460         declarations.
8461         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8462         Input_objects pointer type parameter.
8463
8464 2009-10-30  Doug Kwan  <dougkwan@google.com>
8465
8466         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8467
8468 2009-10-28  Ian Lance Taylor  <iant@google.com>
8469
8470         * object.h (class Relobj): Drop options parameter from
8471         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8472         do_scan_relocs, do_relocate.  Change all callers.
8473         (class Sized_relobj): Drop options parameters from
8474         do_gc_process_relocs, do_scan_relocs, do_relocate,
8475         do_relocate_sections, relocate_sections, emit_relocs_scan,
8476         emit_relocs_scan_reltype.  Change all callers.
8477         (struct Relocate_info): Remove options field and all references to
8478         it.
8479         * reloc.h (class Read_relocs): Remove options constructor
8480         parameter and options_ field.  Change all callers.
8481         (class Gc_process_relocs, class Scan_relocs): Likewise.
8482         (class Relocate_task): Likewise.
8483         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8484         all callers.
8485         (scan_relocatable_relocs): Likewise.
8486         * target.h (class Sized_target): Remove options parameter from
8487         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8488         all callers.
8489         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8490         callers.
8491         * arm.cc: Update functions to remove options parameters.
8492         * i386.cc: Likewise.
8493         * powerpc.cc: Likewise.
8494         * sparc.cc: Likewise.
8495         * x86_64.cc: Likewise.
8496         * testsuite/testfile.cc: Likewise.
8497
8498 2009-10-28  Doug Kwan  <dougkwan@google.com>
8499
8500         * arm.cc (Arm_relobj): New class definition.
8501         (Arm_relobj::scan_sections_for_stubs,
8502         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8503         New method definitions.
8504
8505 2009-10-28  Cary Coutant  <ccoutant@google.com>
8506
8507         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8508         (Plugin::cleanup_done_): New member.
8509         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8510         (Plugin_manager::cleanup_done_): Remove.
8511         (Plugin_manager::add_input_file): Edit error message.
8512         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8513         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8514
8515 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8516
8517         * fileread.cc: (File_read::View::~View): Use the new
8518         data_ownership_ filed.
8519         (File_read::~File_read): Dispose the new whole_file_view_.
8520         (File_read::open): Mmap the whole file if needed.
8521         (File_read::open): Use whole_file_view_ instead of contents_.
8522         (File_read::find_view): Use whole_file_view_ if applicable.
8523         (File_read::do_read): Use whole_file_view_ instead of contents_.
8524         (File_read::make_view): Use whole_file_view_ instead of contents_,
8525         update File_read::View::View call.
8526         (File_read::find_or_make_view): Update File_read::View::View
8527         call.
8528         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8529         remove contents_
8530         (File_read::View::Data_ownership): New enum.
8531         (File_read::View::View): Replace bool mapped_ with Data_ownership
8532         argument.
8533         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8534         (File_read::View::data_ownership_): New field.
8535         (File_read::contents_): Remove (replaced by whole_file_view_).
8536         (File_read::whole_file_view_): New field.
8537         * options.h (class General_options): Add --keep-files-mapped.
8538
8539 2009-10-27  Cary Coutant  <ccoutant@google.com>
8540
8541         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8542         * testsuite/Makefile.am (plugin_test_5): New test case.
8543         * testsuite/Makefile.in: Regenerate.
8544
8545 2009-10-25  Doug Kwan  <dougkwan@google.com>
8546
8547         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8548         from private to protected to allow access by child class.
8549         (Sized_relobj::do_relocate_sections): New method declaration.
8550         (Sized_relobj::relocate_sections): Virtualize.
8551         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8552         Sized_relobj::relocate_sections.  Instantiate template explicitly
8553         for different target sizes and endianity.
8554
8555 2009-10-24  Doug Kwan  <dougkwan@google.com>
8556
8557         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8558         (Arm_input_section::as_arm_input_section): New method.
8559         (Arm_output_section): New class definition.
8560         (Arm_output_section::create_stub_group,
8561         Arm_output_section::group_sections): New method definitions.
8562
8563 2009-10-22  Doug Kwan  <dougkwan@google.com>
8564
8565         * arm.cc (Arm_input_section): New class definition.
8566         (Arm_input_section::init, Arm_input_section:do_write,
8567         Arm_input_section::set_final_data_size,
8568         Arm_input_section::do_reset_address_and_file_offset): New method
8569         definitions.
8570
8571 2009-10-21  Doug Kwan  <dougkwan@google.com>
8572
8573         * arm.cc (Stub_table, Arm_input_section): New forward class
8574         declarations.
8575         (Stub_table): New class defintion.
8576         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8577         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8578         New method definition.
8579
8580 2009-10-21  Doug Kwan  <dougkwan@google.com>
8581
8582         * arm.cc: Update copyright comments.
8583         (Target_arm): New forward class template declaration.
8584         (Arm_address): New type.
8585         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8586         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8587         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8588         constants.
8589         (Insn_template): Same.
8590         (DEF_STUBS): New macro.
8591         (Stub_type): New enum type.
8592         (Stub_template): New class definition.
8593         (Stub): Same.
8594         (Reloc_stub): Same.
8595         (Stub_factory): Same.
8596         (Target_arm::Target_arm): Initialize may_use_blx_ and
8597         should_force_pic_veneer_.
8598         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8599         Target_arm::should_force_pic_veneer,
8600         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8601         Target_arm::using_thumb_only, Target_arm:;default_target): New
8602         method defintions.
8603         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8604         New data member declarations.
8605         (Insn_template::size, Insn_template::alignment): New method defintions.
8606         (Stub_template::Stub_template): New method definition.
8607         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8608         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8609         (Stub_factory::Stub_factory): New method definition.
8610         * gold.h (string_hash): New template.
8611         * output.h (Input_section_specifier::hash_value): Use
8612         gold::string_hash.
8613         (Input_section_specifier::string_hash): Remove.
8614         * stringpool.cc (Stringpool_template::string_hash): Use
8615         gold::string_hash.
8616
8617 2009-10-20  Doug Kwan  <dougkwan@google.com>
8618
8619         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8620         symbols of relaxed input sections.
8621         * output.h (Output_section::find_relaxed_input_section): Make
8622         method public.
8623
8624 2009-10-16  Doug Kwan  <dougkwan@google.com>
8625
8626         * dynobj.cc (Versions::Versions): Initialize version_script_.
8627         Only insert base version symbol definition for a shared object
8628         if version script defines any version versions.
8629         (Versions::define_base_version): New method definition.
8630         (Versions::add_def): Check that base version is not needed.
8631         (Versions::add_need): Define base version lazily.
8632         * dynobj.h (Versions::define_base_version): New method declaration.
8633         (Versions::needs_base_version_): New data member declaration.
8634         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8635         (check_DATA): Add no_version_test.stdout.
8636         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8637         New make rules.
8638         * testsuite/Makefile.in: Regenerate.
8639         * testsuite/no_version_test.c: New file.
8640         * testsuite/no_version_test.sh: Ditto.
8641
8642 2009-10-16  Doug Kwan  <dougkwan@google.com>
8643
8644         * expression.cc (class Segment_start_expression): New class definition.
8645         (Segment_start_expression::value): New method definition.
8646         (script_exp_function_segment_start): Return a new
8647         Segment_start_expression.
8648         * gold/script-c.h (script_saw_segment_start_expression): New function
8649         prototype.
8650         * script-sections.cc (Script_sections::Script_sections): Initialize
8651         SAW_SEGMENT_START_EXPRESSION_ to false.
8652         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8653         and -Tbbs options to specify section addresses if given in
8654         command line and no SEGMENT_START expression is seen in a script.
8655         * script-sections.h (Script_sections::saw_segment_start_expression,
8656         Script_sections::set_saw_segment_start_expression): New method
8657         definition.
8658         (Script_sections::saw_segment_start_expression_): New data member
8659         declaration.
8660         * script.cc (script_saw_segment_start_expression): New function.
8661         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8662         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8663         script_test_7.sh and script_test_8.sh.
8664         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8665         script_test_8.stdout.
8666         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8667         (script_test_6, script_test_6.stdout, script_test_7,
8668         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8669         * Makefile.in: Regenerate.
8670         * testsuite/script_test_6.sh: New file.
8671         * testsuite/script_test_6.t: Same.
8672         * testsuite/script_test_7.sh: Same.
8673         * testsuite/script_test_7.t: Same.
8674         * testsuite/script_test_8.sh: Same.
8675
8676 2009-10-16  Doug Kwan  <dougkwan@google.com>
8677
8678         * output.cc (Output_segment::set_section_list_address): Cast
8679         expressions to unsigned long long type to avoid format warnings.
8680
8681 2009-10-15  Ian Lance Taylor  <iant@google.com>
8682
8683         * script.cc (Script_options::add_symbol_assignment): Always add a
8684         dot assignment to script_sections_.
8685         * script-sections.cc (Script_sections::add_dot_assignment):
8686         Initialize if necessary.
8687
8688         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8689         program headers with no load segment if there is a linker script.
8690
8691         * layout.cc (Layout::set_segment_offsets): Align the file offset
8692         to the segment aligment for -N or -n with no load segment.
8693         * output.cc (Output_segment::add_output_section): Don't crash if
8694         the first section is a TLS section.
8695         (Output_segment::set_section_list_addresses): Print an error
8696         message if the address moves backward in a linker script.
8697         * script-sections.cc
8698         (Output_section_element_input::set_section_addresses): Don't
8699         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8700         (Orphan_output_section::set_section_addresses): Likewise.
8701
8702 2009-10-15  Doug Kwan  <dougkwan@google.com>
8703
8704         * layout.cc (Layout::finish_dynamic_section): Generate tags
8705         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8706         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8707         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8708
8709 2009-10-14  Ian Lance Taylor  <iant@google.com>
8710
8711         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8712         fields.
8713         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8714         data_shdr fields of relinfo.
8715         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8716         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8717         R_386_TLS_LDO_32, adjust based on section flags.
8718         (Target_i386::Relocate::fix_up_ldo): Remove.
8719
8720 2009-10-13  Ian Lance Taylor  <iant@google.com>
8721
8722         Add support for -pie.
8723         * options.h (class General_options): Add -pie and
8724         --pic-executable.
8725         (General_options::output_is_position_independent): Test -pie.
8726         (General_options::output_is_executable): Return true if not shared
8727         and not relocatable.
8728         (General_options::output_is_pie): Remove.
8729         * options.cc (General_options::finalize): Reject incompatible uses
8730         of -pie.
8731         * gold.cc (queue_middle_tasks): A -pie link is not static.
8732         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8733         * symtab.cc (Symbol::final_value_is_known): Return false if
8734         output_is_position_independent.
8735         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8736         output_is_position_independent.
8737         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8738         output_is_position_independent.
8739         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8740         output_is_position_independent.
8741         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8742         two_file_pie_test.
8743         (basic_pie_test.o, basic_pie_test): New targets.
8744         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8745         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8746         (two_file_pie_test): New target.
8747         * testsuite/Makefile.in: Rebuild.
8748         * README: Remove note saying that -pie is not supported.
8749
8750 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8751
8752         * options.h (class General_options): Add -init and -fini.
8753         * layout.cc (Layout::finish_dynamic_section): Emit
8754         given init and fini functions.
8755
8756 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8757
8758         * gc.h (gc_process_relocs): Check if icf is enabled using new
8759         function.
8760         * gold.cc (queue_initial_tasks): Likewise.
8761         (queue_middle_tasks): Likewise.
8762         * object.cc (do_layout): Likewise.
8763         * symtab.cc (is_section_folded): Likewise.
8764         * main.cc (main): Likewise.
8765         * reloc.cc (Read_relocs::run): Likewise.
8766         (Sized_relobj::do_scan_relocs): Likewise.
8767         * icf.cc (is_function_ctor_or_dtor): New function.
8768         (Icf::find_identical_sections): Check if function is ctor or dtor when
8769         safe icf is chosen.
8770         * options.h (General_options::icf): Change option to be an enum.
8771         (Icf_status): New enum.
8772         (icf_enabled): New method.
8773         (icf_safe_folding): New method.
8774         (set_icf_status): New method.
8775         (icf_status_): New variable.
8776         * (options.cc) (General_options::finalize): Set icf_status_.
8777         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8778         icf_test and icf_keep_unique_test to use the --icf enum flag.
8779         * testsuite/icf_safe_test.sh: New file.
8780         * testsuite/icf_safe_test.cc: New file.
8781
8782 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8783
8784         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8785         includes to gc.h and icf.h.
8786         * arm.cc: Include gc.h.
8787         * gold.cc: Likewise.
8788         * i386.cc: Likewise.
8789         * powerpc.cc: Likewise.
8790         * sparc.cc: Likewise.
8791         * x86_64.cc: Likewise.
8792         * gc.h: Include icf.h.
8793
8794 2009-10-11  Ian Lance Taylor  <iant@google.com>
8795
8796         * plugin.cc: Include "gold.h" before other header files.
8797
8798 2009-10-10  Chris Demetriou  <cgd@google.com>
8799
8800         * options.h (Input_file_argument::Input_file_type): New enum.
8801         (Input_file_argument::is_lib_): Replace with...
8802         (Input_file_argument::type_): New member.
8803         (Input_file_argument::Input_file_argument): Take Input_file_type
8804         'type' rather than boolean 'is_lib' as second argument.
8805         (Input_file_argument::is_lib): Use type_.
8806         (Input_file_argument::is_searched_file): New function.
8807         (Input_file_argument::may_need_search): Handle is_searched_file.
8808         * options.cc (General_options::parse_library): Support -l:filename.
8809         (General_options::parse_just_symbols): Update for Input_file_argument
8810         changes.
8811         (Command_line::process): Likewise.
8812         * archive.cc (Archive::get_file_and_offset): Likewise.
8813         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8814         * script.cc (read_script_file, script_add_file): Likewise.
8815         * fileread.cc (Input_file::Input_file): Likewise.
8816         (Input_file::will_search_for): Handle is_searched_file.
8817         (Input_file::open): Likewise.
8818         * readsyms.cc (Read_symbols::get_name): Likewise.
8819         * testsuite/Makefile.am (searched_file_test): New test.
8820         * testsuite/Makefile.in: Regenerate.
8821         * testsuite/searched_file_test.cc: New file.
8822         * testsuite/searched_file_test_lib.cc: New file.
8823
8824 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8825             Ian Lance Taylor  <iant@google.com>
8826
8827         * descriptor.cc: Include <cstdio> and "binary-io.h".
8828         (Descriptors::open): Open the files in binary mode always.
8829         * script.cc (Lex::get_token): Treat \r as whitespace.
8830
8831 2009-10-09  Ian Lance Taylor  <iant@google.com>
8832
8833         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8834
8835 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8836             Ian Lance Taylor  <iant@google.com>
8837
8838         * configure.ac: Check for readv function also.
8839         * fileread.cc (readv): Define if not HAVE_READV.
8840         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8841         does not exist.
8842         * config.in: Regenerate.
8843         * configure: Regenerate.
8844
8845 2009-10-09  Doug Kwan  <dougkwan@google.com>
8846
8847         * layout.cc (Layout::make_output_section): Call target hook to make
8848         ordinary output section.
8849         (Layout::finalize): Adjust parameter list of call the
8850         Target::may_relax().
8851         * layout.h (class Layout::section_list): New method.
8852         * merge.h (Output_merge_base::entsize): Change visibility to public.
8853         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8854         New methods.
8855         (Output_merge_string::do_is_string): New method.
8856         * object.cc (Sized_relobj::do_setup): renamed from
8857         Sized_relobj::set_up.
8858         * object.h (Sized_relobj::adjust_shndx,
8859         Sized_relobj::initializ_input_to_output_maps,
8860         Sized_relobj::free_input_to_output_maps): Change visibilities to
8861         protected.
8862         (Sized_relobj::setup): Virtualize.
8863         (Sized_relobj::do_setup): New method declaration.
8864         (Sized_relobj::invalidate_section_offset,
8865         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8866         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8867         * options.cc (parse_int): New function.
8868         * options.h (parse_int): New declaration.
8869         (DEFINE_int): New macro.
8870         (stub_group_size): New option.
8871         * output.cc (Output_section::Output_section): Initialize memebers
8872         merge_section_map_, merge_section_by_properties_map_,
8873         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8874         (Output_section::add_input_section): Handled deferred code-fill
8875         generation and remove an old comment.
8876         (Output_section::add_relaxed_input_section): New method definition.
8877         (Output_section::add_merge_input_section): Use merge section by
8878         properties map to speed to search.  Update merge section maps
8879         as appropriate.
8880         (Output_section::build_relaxation_map): New method definition.
8881         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8882         Same.
8883         (Output_section::relax_input_section): Renamed to
8884         Output_section::convert_input_sections_to_relaxed_sections and change
8885         interface to take a vector of pointers to relaxed sections.
8886         (Output_section::find_merge_section,
8887         Output_section::find_relaxed_input_section): New method definitions.
8888         (Output_section::is_input_address_mapped,
8889         Output_section::output_offset, Output_section::output_address):
8890         Use output section data maps to speed up searching.
8891         (Output_section::find_starting_output_address): Add comments.
8892         (Output_section::do_write,
8893         Output_section::write_to_postprocessing_buffer): Do code-fill
8894         generation as appropriate.
8895         (Output_section::get_input_sections): Invalidate relaxed input section
8896         map.
8897         (Output_section::restore_states): Adjust type of checkpoint .
8898         Invalidate relaxed input section map.
8899         * output.h (Output_merge_base): New class declaration.
8900         (Input_section_specifier): New class defintion.
8901         (class Output_relaxed_input_section) Change base class to
8902         Output_section_data_build.
8903         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8904         base class initializer.
8905         (Output_section::add_relaxed_input_section): New method declaration.
8906         (Output_section::Input_section): Change visibility to protected.
8907         (Output_section::Input_section::relobj,
8908         Output_section::Input_section::shndx): Handle relaxed input sections.
8909         Output_section::input_sections) Change visibility to protected.  Also
8910         define overload to return a non-const pointer.
8911         (Output_section::Merge_section_properties): New class defintion.
8912         (Output_section::Merge_section_by_properties_map,
8913         Output_section::Output_section_data_by_input_section_map,
8914         Output_section::Relaxation_map): New types.
8915         (Output_section::relax_input_section): Rename method to
8916         Output_section::convert_input_sections_to_relaxed_sections and change
8917         interface to take a vector of relaxed section pointers.
8918         (Output_section::find_merge_section,
8919         Output_section::find_relaxed_input_section,
8920         Output_section::build_relaxation_map,
8921         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8922         New method declarations.
8923         (Output_section::merge_section_map_
8924         Output_section::merge_section_by_properties_map_,
8925         Output_section::relaxed_input_section_map_,
8926         Output_section::is_relaxed_input_section_map_valid_,
8927         Output_section::generate_code_fills_at_write_): New data members.
8928         * script-sections.cc
8929         (Output_section_element_input::set_section_addresses): Call
8930         current_data_size and addralign methods of relaxed input sections.
8931         (Orphan_output_section::set_section_addresses): Call current_data_size
8932         and addralign methods of relaxed input sections.
8933         * symtab.cc (Symbol_table::compute_final_value): Extract template
8934         from the body of Symbol_table::sized_finalize_symbol.
8935         (Symbol_table::sized_finalized_symbol): Call
8936         Symbol_table::compute_final_value.
8937         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8938         (Symbol_table::compute_final_value): New templated method declaration.
8939         * target.cc (Target::do_make_output_section): New method defintion.
8940         * target.h (Target::make_output_section): New method declaration.
8941         (Target::relax): Add more parameters for input objects, symbol table
8942         and layout.  Adjust call to do_relax.
8943         (Target::do_make_output_section): New method declaration.
8944         (Target::do_relax): Add parameters for input objects, symbol table
8945         and layout.
8946
8947 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8948
8949         * pread.c: Include stdio.h.
8950
8951 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8952
8953         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8954         defined.
8955
8956 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8957
8958         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8959         Change read_shndx type to unsigned int.
8960         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8961         int.
8962         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8963         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8964         Change read_shndx type to unsigned int.
8965         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8966         int.
8967         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8968         * layout.cc (Layout::create_symtab_sections): Cast the result of
8969         local_symcount * symsize to off_t in the gold_assert.
8970
8971 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8972
8973         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8974         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8975         R_ARM_BASE_ABS.
8976         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8977         (Arm_relocate_functions::thm_abs5): New function.
8978         (Arm_relocate_functions::abs12): New function.
8979         (Arm_relocate_functions::abs16): New function.
8980         (Arm_relocate_functions::base_abs): New function.
8981         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8982         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8983         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8984         R_ARM_BASE_ABS.
8985         (Scan::global): Likewise.
8986         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8987         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8988         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8989         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8990         R_ARM_BASE_ABS.
8991
8992 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8993
8994         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8995         (Arm_relocate_functions::movt_prel): New function.
8996         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8997         (Arm_relocate_functions::thm_movt_prel): New function.
8998         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8999         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9000         (Scan::global, Relocate::relocate): Likewise.
9001         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9002
9003 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9004
9005         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9006         Incremental_checker.
9007         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9008         unsigned int.
9009         (class Incremental_inputs_header): New class.
9010         (Incremental_inputs_header_writer): Edit comment.
9011         (Incremental_inputs_entry): New class.
9012         (Incremental_inputs_entry_writer): Edit comment.
9013         (Sized_incremental_binary::do_find_incremental_inputs_section):
9014         Add *strtab_shndx parameter, fill it.
9015         (Sized_incremental_binary::do_check_inputs): New method.
9016         (Incremental_checker::can_incrementally_link_output_file): Use
9017         Sized_incremental_binary::check_inputs.
9018         (Incremental_inputs::report_command_line): Save command line in
9019         command_line_.
9020         * incremental.h:
9021         (Incremental_binary::find_incremental_inputs_section): New
9022         method.
9023         (Incremental_binary::do_find_incremental_inputs_section): Add
9024         strtab_shndx parameter.
9025         (Incremental_binary::do_check_inputs): New pure virtual method.
9026         (Sized_incremental_binary::do_check_inputs): Declare.
9027         (Incremental_checker::Incremental_checker): Add incremental_inputs
9028         parameter, use it to initialize incremental_inputs_.
9029         (Incremental_checker::incremental_inputs_): New field.
9030         (Incremental_checker::command_line): New method.
9031         (Incremental_checker::inputs): New method.
9032         (Incremental_checker::command_line_): New field.
9033
9034 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9035
9036         * incremental.cc: Include <cstdarg> and "target-select.h".
9037         (vexplain_no_incremental): New function.
9038         (explain_no_incremental): New function.
9039         (Incremental_binary::error): New method.
9040         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9041         method.
9042         (make_sized_incremental_binary): New function.
9043         (open_incremental_binary): New function.
9044         (can_incrementally_link_file): Add checks if output is ELF and has
9045         inputs section.
9046         * incremental.h: Include "elfcpp_file.h" and "output.h".
9047         (Incremental_binary): New class.
9048         (Sized_incremental_binary): New class.
9049         (open_incremental_binary): Declare.
9050         * object.cc (is_elf_object): Use
9051         elfcpp::Elf_recognizer::is_elf_file.
9052         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9053         * output.h (Output_file::filesize): New method.
9054
9055 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9056
9057         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9058         New function.
9059         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9060         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9061         function.
9062         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9063         function.
9064         (Arm_relocate_functions::movw_abs_nc): New function.
9065         (Arm_relocate_functions::movt_abs): New function.
9066         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9067         (Arm_relocate_functions::thm_movt_abs): New function.
9068         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9069         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9070         (Scan::global): Likewise.
9071         (Relocate::relocate): Likewise.
9072         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9073
9074 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9075
9076         * arm.cc (Arm_relocate_functions::got_prel) New function.
9077         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9078         (Relocate::relocate): Likewise.
9079         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9080
9081 2009-10-06  Ian Lance Taylor  <iant@google.com>
9082
9083         * options.h (class General_options): Define
9084         split_stack_adjust_size parameter.
9085         * object.h (class Object): Add uses_split_stack_ and
9086         has_no_split_stack_ fields.  Add uses_split_stack and
9087         has_no_split_stack accessor functions.  Declare
9088         handle_split_stack_section.
9089         (class Reloc_symbol_changes): Define.
9090         (class Sized_relobj): Define Function_offsets.  Declare
9091         split_stack_adjust, split_stack_adjust_reltype, and
9092         find_functions.
9093         * object.cc (Object::handle_split_stack_section): New function.
9094         (Sized_relobj::do_layout): Call handle_split_stack_section.
9095         * dynobj.cc (Sized_dynobj::do_layout): Call
9096         handle_split_stack_section.
9097         * reloc.cc (Sized_relobj::relocate_sections): Call
9098         split_stack_adjust for executable sections in split_stack
9099         objects.  Pass reloc_map to relocate_section.
9100         (Sized_relobj::split_stack_adjust): New function.
9101         (Sized_relobj::split_stack_adjust_reltype): New function.
9102         (Sized_relobj::find_functions): New function.
9103         * target-reloc.h: Include "object.h".
9104         (relocate_section): Add reloc_symbol_changes parameter.  Change
9105         all callers.
9106         * target.h (class Target): Add calls_non_split method.  Declare
9107         do_calls_non_split virtual method.  Declare match_view and
9108         set_view_to_nop.
9109         * target.cc: Include "elfcpp.h".
9110         (Target::do_calls_non_split): New function.
9111         (Target::match_view): New function.
9112         (Target::set_view_to_nop): New function.
9113         * gold.cc (queue_middle_tasks): Give an error if mixing
9114         split-stack and non-split-stack objects with -r.
9115         * i386.cc (Target_i386::relocate_section): Add
9116         reloc_symbol_changes parameter.
9117         (Target_i386::do_calls_non_split): New function.
9118         * x86_64.cc (Target_x86_64::relocate_section): Add
9119         reloc_symbol_changes parameter.
9120         (Target_x86_64::do_calls_non_split): New function.
9121         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9122         parameter.
9123         * powerpc.cc (Target_powerpc::relocate_section): Add
9124         reloc_symbol_changes parameter.
9125         * sparc.cc (Target_sparc::relocate_section): Add
9126         reloc_symbol_changes parameter.
9127         * configure.ac: Call AM_CONDITIONAL for the default target.
9128         * configure: Rebuild.
9129         * testsuite/Makefile.am (TEST_AS): New variable.
9130         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9131         (check_DATA): Add split_i386 and split_x86_64 files.
9132         (SPLIT_DEFSYMS): Define.
9133         (split_i386_[1234n].o): New targets.
9134         (split_i386_[124]): New targets.
9135         (split_i386_[1234r].stdout): New targets.
9136         (split_x86_64_[1234n].o): New targets.
9137         (split_x86_64_[124]): New targets.
9138         (split_x86_64_[1234r].stdout): New targets.
9139         (MOSTLYCLEANFILES): Add new executables.
9140         * testsuite/split_i386.sh: New file.
9141         * testsuite/split_x86_64.sh: New file.
9142         * testsuite/split_i386_1.s: New file.
9143         * testsuite/split_i386_2.s: New file.
9144         * testsuite/split_i386_3.s: New file.
9145         * testsuite/split_i386_4.s: New file.
9146         * testsuite/split_i386_n.s: New file.
9147         * testsuite/split_x86_64_1.s: New file.
9148         * testsuite/split_x86_64_2.s: New file.
9149         * testsuite/split_x86_64_3.s: New file.
9150         * testsuite/split_x86_64_4.s: New file.
9151         * testsuite/split_x86_64_n.s: New file.
9152         * testsuite/testfile.cc (Target_test): Update relocation_section
9153         function.
9154         * testsuite/Makefile.in: Rebuild.
9155
9156 2009-10-06  Ian Lance Taylor  <iant@google.com>
9157
9158         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9159         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9160         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9161         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9162         the address on ldo_addrs_.
9163         (Target_i386::Relocate::fix_up_ldo): New function.
9164
9165 2009-10-06   Rafael Espindola  <espindola@google.com>
9166
9167         * plugin.cc (add_input_library): New.
9168         (Plugin::load): Add add_input_library to tv.
9169         (Plugin_manager::add_input_file): Add the is_lib argument.
9170         (add_input_file): Update call to Plugin_manager::add_input_file.
9171         (add_input_library): New.
9172         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9173
9174 2009-09-30  Doug Kwan  <dougkwan@google.com>
9175
9176         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9177         symbol and call Symbol::may_need_copy_reloc to determine if
9178         a copy reloc is needed.
9179         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9180         nocopyreloc is given in command line.
9181         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9182         given in command line.
9183         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9184         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9185         of the removed Target_i386::may_need_copy_reloc.
9186         * options.h (copyreloc): New option with default value false.
9187         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9188         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9189         instead of the removed Target_powerpc::may_need_copy_reloc.
9190         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9191         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9192         instead of the removed Target_sparc::may_need_copy_reloc.
9193         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9194         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9195         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9196         instead of the removed Target_x86_64::may_need_copy_reloc.
9197
9198 2009-09-30  Ian Lance Taylor  <iant@google.com>
9199
9200         * object.h (class Object): Remove target_ field, and target,
9201         sized_target, and set_target methods.
9202         (Object::sized_target): Remove.
9203         (class Sized_relobj): Update declarations.  Remove sized_target.
9204         * object.cc (Sized_relobj::setup): Remove target parameter.
9205         Change all callers.
9206         (Input_objects::add_object): Don't do anything with the target.
9207         (make_elf_sized_object): Add punconfigured parameter.  Change all
9208         callers.  Set or test parameter target.
9209         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9210         Change all callers.
9211         * parameters.cc (Parameters::set_target): Change parameter type to
9212         be non-const.
9213         (Parameters::default_target): Remove.
9214         (set_parameters_target): Change parameter type to be non-const.
9215         (parameters_force_valid_target): New function.
9216         (parameters_clear_target): New function.
9217         * parameters.h (class Parameters): Update declarations.  Remove
9218         default_target method.  Add sized_target and clear_target
9219         methods.  Change target_ to be non-const.
9220         (set_parameters_target): Update declaration.
9221         (parameters_force_valid_target): Declare.
9222         (parameters_clear_target): Declare.
9223         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9224         as NULL if we aren't searching.
9225         (Add_symbols::run): Don't check for compatible target.
9226         * fileread.cc (Input_file::open_binary): Call
9227         parameters_force_valid_target.
9228         * gold.cc (queue_middle_tasks): Likewise.
9229         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9230         set_target on object.
9231         * dynobj.h (class Sized_dynobj): Update declarations.
9232         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9233         make_elf_object returns NULL.
9234         (Archive::include_member): Don't check whether object target is
9235         compatible.
9236         * output.cc (Output_section::add_input_section): Get target from
9237         parameters.
9238         (Output_section::relax_input_section): Likewise.
9239         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9240         parameters.
9241         (Sized_relobj::do_scan_relocs): Likewise.
9242         (Sized_relobj::relocate_sections): Likewise.
9243         * resolve.cc (Symbol_table::resolve): Likewise.
9244         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9245         parameter.  Change all callers.
9246         (Symbol_table::add_from_object): Get target from parameters.
9247         (Symbol_table::add_from_relobj): Don't check object target.
9248         (Symbol_table::add_from_dynobj): Likewise.
9249         (Symbol_table::define_special_symbol): Get target from
9250         parameters.
9251         * symtab.h (class Symbol_table): Update declaration.
9252         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9253         parameter.  Change all callers.  Clear parameter target.
9254         (Binary_test): Test target here.
9255         * testsuite/object_unittest.cc (gold_testsuite): Remove
9256         target_test_pointer parameter.  Change all callers.
9257         (Object_test): Test target here.
9258
9259 2009-09-26  Ian Lance Taylor  <iant@google.com>
9260
9261         * testsuite/initpri1.c: Don't try to use constructor priorities if
9262         compiling with gcc before 4.3.
9263
9264 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9265
9266         * testsuite/retain_symbols_file_test.sh (check_present): Change
9267         output file name to retain_symbols_file_test.stdout.
9268         (check_absent): Likewise.
9269
9270 2009-09-18  Craig Silverstein  <csilvers@google.com>
9271
9272         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9273         * options.cc: Include <cerrno> and <fstream>.
9274         (General_options::finalize): Parse -retain-symbols-file tag.
9275         * options.h: New flag.
9276         (General_options): New method should_retain_symbol, new
9277         variable symbols_to_retain.
9278         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9279         should_retain_symbol map.
9280         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9281         * testsuite/Makefile.in: Regenerate.
9282         * testsuite/retain_symbols_file_test.sh: New file.
9283
9284 2009-09-18  Nick Clifton  <nickc@redhat.com>
9285
9286         * po/es.po: Updated Spanish translation.
9287
9288 2009-09-17  Doug Kwan  <dougkwan@google.com>
9289
9290         * debug.h (DEBUG_RELAXATION): New constant.
9291         (DEBUG_ALL): Add DEBUG_RELAXATION.
9292         (debug_string_to_enum): Add relaxation debug option.
9293         * layout.cc
9294         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9295         Layout::Relaxation_debug_check::read_sections,
9296         Layout::Relaxation_debug_check::read_sections): New method definitions.
9297         (Layout::Layout): Initialize data members
9298         record_output_section_data_from_scrips_,
9299         script_output_section_data_list_ and relaxation_debug_check_.
9300         (Layout::save_segments, Layout::restore_segments,
9301         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9302         Layout::relaxation_loop_body): New method definitions.
9303         (Layout::finalize): Support relaxation.  Move section layout code to
9304         Layout::relaxation_loop_body.
9305         (Layout::set_asection_address_from_script): Move code for orphan
9306         section placement out.
9307         (Layout::place_orphan_sections_in_script): New method definition.
9308         * layout.h (Output_segment_headers, Output_file_header):
9309         New forward class declarations.
9310         (Layout::~Layout): Define.
9311         (Layout::new_output_section_data_from_script): New method definition.
9312         (Layout::place_orphan_sections_in_script): New method declaration.
9313         (Layout::Segment_states): New type declaration.
9314         (Layout::save_segments, Layout::restore_segments,
9315         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9316         Layout::relaxation_loop_body): New method declarations.
9317         (Layout::Output_section_data_list): New type declaration.
9318         (Layout::Relaxation_debug_check): New class definition.
9319         (Layout::record_output_section_data_from_script_,
9320         Layout::script_output_section_data_list_, Layout::segment_states_,
9321         Layout::relaxation_debug_check_): New data members.
9322         * output.cc: (Output_section_headers::do_size): New method definition.
9323         (Output_section_headers::Output_section_headers): Move size
9324         computation to Output_section_headers::do_size.
9325         (Output_segment_headers::do_size): New method definition.
9326         (Output_file_header::Output_file_header): Move size computation to
9327         Output_file_header::do_size and call it.
9328         (Output_file_header::do_size): New method definition.
9329         (Output_data_group::Output_data_group): Adjust call to
9330         Output_section_data.
9331         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9332         (Output_symtab_xindex::do_write): Add array bound check.
9333         (Output_section::Input_section::print_to_mapfile): Handle
9334         RELAXED_INPUT_SECTION_CODE.
9335         (Output_section::Output_section): Initialize data member checkpoint_.
9336         (Output_section::~Output_section): Delete checkpoint object pointed
9337         by checkpoint_.
9338         (Output_section::add_input_section): Always add an Input_section if
9339         relaxing.
9340         (Output_section::add_merge_input_section): Add assert.
9341         (Output_section::relax_input_section): New method definition.
9342         (Output_section::set_final_data_size): Set load address to zero for
9343         an unallocated section.
9344         (Output_section::do_address_and_file_offset_have_reset_values):
9345         New method definition.
9346         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9347         Handle relaxed input section.
9348         (Output_section::sort_attached_input_sections): Checkpoint input
9349         section list lazily.
9350         (Output_section::get_input_sections): Change type of input_sections to
9351         list of Simple_input_section pointers.  Checkpoint input section list
9352         lazily.  Also handle relaxed input sections.
9353         (Output_section::add_input_section_for_script): Take a reference to
9354         a Simple_input_section object instead of Relobj pointer and section
9355         index as parameter.  Handle relaxed input sections.
9356         (Output_section::save_states, Output_section::restore_states): New
9357         method definitions.
9358         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9359         (Output_data::is_data_size_fixed): New method definition.
9360         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9361         if it is fixed.
9362         (Output_data::address_and_file_offset_have_reset_values): New method
9363         definition.
9364         (Output_data::do_address_and_file_offset_have_reset_values): New method
9365         definition.
9366         (Output_data::set_data_size): Check that data size is not fixed.
9367         (Output_data::fix_data_size): New method definition.
9368         (Output_data::is_data_size_fixed_): New data member.
9369         (Output_section_headers::set_final_data_size): New method definition.
9370         (Output_section_headers::do_size): New method declaration.
9371         (Output_segment_headers::set_final_data_size): New method definition.
9372         (Output_segment_headers::do_size): New method declaration.
9373         (Output_file_header::set_final_data_size)::New method definition.
9374         (Output_file_header::do_size)::New method declaration.
9375         (Output_section_data::Output_section_data): Add new parameter
9376         is_data_size_fixed and use it to fix data size.
9377         (Output_data_const::Output_data_const): Adjust call to base class
9378         constructor and fix data size.
9379         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9380         base class constructor and fix data size.
9381         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9382         base class constructor and fix data size.
9383         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9384         class constructor and fix data size.
9385         (Output_data_group::set_final_data_size): New method definition.
9386         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9387         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9388         class constructor and fix data size.
9389         (Output_relaxed_input_section): New class definition.
9390         (Output_section::Simple_input_section): New class definition.
9391         (Output_section::get_input_sections): Adjust parameter list.
9392         (Output_section::add_input_section_for_script): Same.
9393         (Output_section::save_states, Output_section::restore_states,
9394         Output_section::do_address_and_file_offset_have_reset_values,
9395         (Output_section::Input_section::Input_section): Handle
9396         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9397         Output_relaxed_input_section.
9398         (Output_section::Input_section::is_input_section,
9399         Output_section::Input_section::set_output_section): Handle relaxed
9400         input section.
9401         (Output_section::Input_section::is_relaxed_input_section,
9402         Output_section::Input_section::output_section_data,
9403         Output_section::Input_section::relaxed_input_section): New method
9404         definitions.
9405         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9406         value.
9407         (Output_section::Input_section::u1_): Update comments.
9408         (Output_section::Input_section::u2_): Add new union member poris.
9409         (Output_section::Checkpoint_output_section): New classs definition.
9410         (Output_section::relax_input_section): New method declaration.
9411         (Output_section::checkpoint_): New data member.
9412         (Output_segment): Update comments.
9413         (Output_segment::Output_segment): Un-privatize copy constructor.
9414         (Output_segment::operator=): Un-privatize.
9415         * script-sections.cc (Output_section_element::Input_section_list):
9416         Change element type to Output_section::Simple_input_section.
9417         (Output_section_element_dot_assignment::set_section_addresses):
9418         Register output section data for relaxation clean up.
9419         (Output_data_exression::Output_data_expression): Adjust call to base
9420         constructor to fix data size.
9421         (Output_section_element_data::set_section_addresses): Register
9422         Output_data_expression object for relaxation clean up.
9423         (struct Input_section_info): Replace Relobj pointer and section index
9424         pair with Output_section::Simple_input_section and Convert struct to a
9425         class.
9426         (Input_section_sorter::operator()): Adjust access to
9427         Input_section_info data member to use accessors.
9428         (Output_section_element_input::set_section_addresses): Use layout
9429         parameter.  Adjust code to use Output_section::Simple_input_section
9430         and Input_secction_info classes.  Register filler for relaxation
9431         clean up.
9432         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9433         and section index pair with Output_section::Simple_input_section
9434         class.  Adjust code accordingly.
9435         (Phdrs_element::release_segment): New method definition.
9436         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9437         segment list.
9438         (Script_sections::release_segments): New method definition.
9439         * gold/script-sections.h (Script_sections::release_segments): New
9440         method declaration.
9441         * gold/target.h (Target::may_relax, Target::relax,
9442         Target::do_may_relax, Target::do_relax): New method definitions.
9443
9444 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9445
9446         * arm.cc (has_signed_unsigned_overflow): New function.
9447         (Arm_relocate_functions::abs8): New function.
9448         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9449         (Target_arm::Scan::global): Likewise.
9450         (Target_arm::relocate::relocate): Likewise.
9451         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9452         Likewise.
9453
9454 2009-09-16  Cary Coutant  <ccoutant@google.com>
9455
9456         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9457         * testsuite/Makefile.in: Regenerate.
9458
9459 2009-09-11  Nick Clifton  <nickc@redhat.com>
9460
9461         * po/gold.pot: Updated by the Translation project.
9462
9463 2009-09-08  Cary Coutant  <ccoutant@google.com>
9464
9465         * output.cc (Output_file::open): Add execute permission to empty file.
9466         * testsuite/Makefile.am (permission_test): New test.
9467         * testsuite/Makefile.in: Regenerate.
9468
9469 2009-09-02  Ian Lance Taylor  <iant@google.com>
9470
9471         * output.cc (Output_file::resize): Call map_no_anonymous rather
9472         than map.
9473
9474 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9475
9476         * gold.cc: Include "incremental.h".
9477         (queue_initial_tasks): Call Incremental_checker methods.
9478         * incremental.cc: Include "output.h".
9479         (Incremental_checker::can_incrementally_link_output_file): New
9480         method.
9481         * incremental.h (Incremental_checker): New class.
9482
9483         * output.cc (Output_file::open_for_modification): New method.
9484         (Output_file::map_anonymous): Changed return type to bool.  Record
9485         map in base_ field.
9486         (Output_file::map_no_anonymous): New method, broken out of map.
9487         (Output_file::map): Use map_no_anonymous and map_anonymous.
9488         * output.h (class Output_file): Update declarations.
9489
9490 2009-08-24  Cary Coutant  <ccoutant@google.com>
9491
9492         * options.h (Command_line::Pre_options): New class.
9493         (Command_line::pre_options): New member.
9494         * options.cc (gold::options::ready_to_register): New variable.
9495         (One_option::register_option): Do nothing if not registering options.
9496         Assert if same short option registered twice.
9497         (General_options::General_options): Turn off option registration when
9498         done constructing.
9499         (Command_line::Pre_options::Pre_options): New constructor.
9500
9501 2009-08-24  Cary Coutant  <ccoutant@google.com>
9502
9503         * options.h (General_options::no_keep_memory): Remove incorrect
9504         short option.
9505
9506 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9507
9508         * Makefile.am (am__skiplex, am__skipyacc): New.
9509         * Makefile.in: Regenerate.
9510
9511 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9512
9513         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9514         (INCLUDES): ... this.
9515         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9516         (AM_CPPFLAGS): Renamed from ...
9517         (INCLUDE): ... this.
9518         * Makefile.in, testsuite/Makefile.in: Regenerate.
9519
9520         * Makefile.in: Regenerate.
9521         * aclocal.m4: Likewise.
9522         * config.in: Likewise.
9523         * configure: Likewise.
9524         * testsuite/Makefile.in: Likewise.
9525
9526         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9527         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9528         * Makefile.in: Regenerate.
9529         * testsuite/Makefile.in: Regenerate.
9530
9531 2009-08-19  Cary Coutant  <ccoutant@google.com>
9532
9533         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9534         symbols in shared libraries overridden by hidden or internal symbols
9535         in the main program.
9536
9537 2009-08-19  Chris Demetriou  <cgd@google.com>
9538
9539         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9540         checking source file names in error messages.
9541
9542 2009-08-18  Doug Kwan  <dougkwan@google.com>
9543
9544         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9545         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9546         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9547         an elfcpp::Ehdr as parameter.
9548         * object.cc (Object::set_target): Remove the version that looks up
9549         a target and sets it.
9550         (Sized_relobj::setup): Take a Target object instead of
9551         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9552         (make_elf_sized_object): Find target and ask target to
9553         make an ELF object.
9554         * object.h: (Object::set_target): Remove the version that looks up
9555         a target and sets it.
9556         (Sized_relobj::setup): Take a Target object instead of
9557         an elfcpp:Ehdr as parameter.
9558         * target.cc: Include dynobj.h.
9559         (Target::do_make_elf_object_implementation): New.
9560         (Target::do_make_elf_object): New.
9561         * target.h (Target::make_elf_object): New template declaration.
9562         (Target::do_make_elf_object): New method declarations.
9563         (Target::do_make_elf_object_implementation): New template declaration.
9564
9565 2009-08-14  Ian Lance Taylor  <iant@google.com>
9566
9567         * gold.h (FUNCTION_NAME): Define.
9568         (gold_unreachable): Use FUNCTION_NAME.
9569
9570 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9571
9572         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9573         symbol in the --keep-unique list is not found.
9574
9575 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9576
9577         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9578         been maked as --keep-unique.
9579         (Icf::unfold_section): New function.
9580         * icf.h (Icf::unfold_section): New function.
9581         * options.h (General_options::keep_unique): New option.
9582         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9583         * testsuite/Makefile.in: Regenerate.
9584         * testsuite/icf_keep_unique_test.sh: New file.
9585         * testsuite/icf_keep_unique_test.cc: New file.
9586
9587 2009-08-12  Cary Coutant  <ccoutant@google.com>
9588
9589         PR 10471
9590         * resolve.cc (Symbol_table::resolve): Check for references from
9591         dynamic objects to hidden and internal symbols.
9592         * testsuite/Makefile.am (hidden_test.sh): New test.
9593         * testsuite/Makefile.in: Regenerate.
9594         * testsuite/hidden_test.sh: New script.
9595         * testsuite/hidden_test_1.c: New test source.
9596         * testsuite/hidden_test_main.c: New test source.
9597
9598 2009-08-11  Doug Kwan  <dougkwan@google.com>
9599
9600         * arm.cc: Update comments.
9601         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9602         segment to locate the .ARM.exidx section if present.
9603
9604 2009-08-09  Doug Kwan  <dougkwan@google.com>
9605
9606         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9607         patch.
9608
9609 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9610         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9611         compiler warnings.
9612
9613 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9614
9615         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9616         valid tls_segment only for non-debug-section relocations.
9617         * testsuite/Makefile.am: Add gc_tls_test.
9618         * testsuite/Makefile.in: Regenerate.
9619         * testsuite/gc_tls_test.cc: New file.
9620         * testsuite/gc_tls_test.sh: New file.
9621
9622 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9623
9624         * icf.cc: New file.
9625         * icf.h: New file.
9626         * Makefile.am (CCFILES): Add icf.cc.
9627         (HFILES): Add icf.h
9628         * Makefile.in: Regenerate.
9629         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9630         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9631         section, symbol and addend information for the relocs.
9632         * gold.cc (queue_middle_tasks): Call identical code folding.
9633         * gold.h: Add defines for multimap.
9634         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9635         to the call of finalize_local_symbols.
9636         * main.cc (main): Create object of class Icf.
9637         * object.cc (Sized_relobj::do_layout): Allow this function to be
9638         called twice during icf.
9639         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9640         to sections marked as identical by icf.
9641         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9642         when available.
9643         (Sized_relobj::do_section_entsize): New function.
9644         * object.h (Object::section_entsize): New function.
9645         (Object::do_section_entsize): New pure virtual function.
9646         (Relobj::finalize_local_symbols): Add new parameter.
9647         (Relobj::do_section_entsize): New function.
9648         * options.h (General_options::icf): New option.
9649         (General_options::icf_iterations): New option.
9650         (General_options::print_icf_sections): New option.
9651         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9652         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9653         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9654         icf.
9655         * symtab.cc (Symbol_table::is_section_folded): New function.
9656         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9657         to sections marked as identical by icf.
9658         * symtab.h (Symbol_table::set_icf): New function.
9659         (Symbol_table::icf): New function.
9660         (Symbol_table::is_section_folded): New function.
9661         (Symbol_table::icf_): New data member.
9662         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9663         * testsuite/Makefile.am: Add commands to build icf_test.
9664         * testsuite/Makefile.in: Regenerate.
9665         * testsuite/icf_test.sh: New file.
9666         * testsuite/icf_test.cc: New file.
9667
9668 2009-07-24  Chris Demetriou  <cgd@google.com>
9669
9670         * layout.cc (is_compressible_debug_section): Fix incorrect
9671         comment about compressed section names.
9672
9673 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9674
9675         PR 10419
9676         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9677
9678 2009-07-16  Ian Lance Taylor  <iant@google.com>
9679
9680         PR 10400
9681         * layout.h: #include <map>.
9682         (class Kept_section): Change from struct to class.  Add accessors
9683         and setters.  Add section size to Comdat_group mapping.  Change
9684         Comdat_group to std::map.  Add is_comdat_ field.  Add
9685         linkonce_size field in union.
9686         (class Layout): Update declaration of find_or_add_kept_section.
9687         Don't declare find_kept_object.
9688         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9689         parameter.  Add object, shndx, is_comdat, and is_group_name
9690         parameters.  Change all callers.  Adjust for new Kept_section.
9691         (Layout::find_kept_object): Remove.
9692         * object.cc (Sized_relobj::include_section_group): Update use of
9693         Kept_section.  Rename secnum to shndx.  Only record
9694         Kept_comdat_section if sections are the same size.
9695         (Sized_relobj::include_linkonce_section): Update use of
9696         Kept_section.  Only record Kept_comdat_section if sections are the
9697         same size.  Set size of linkonce section.
9698         (Sized_relobj::map_to_kept_section): Update call to
9699         get_kept_comdat_section.
9700         * object.h (class Sized_relobj): Rename fields in
9701         Kept_comdat_section to drop trailing underscores; change object
9702         field to Relobj*.  Change Kept_comdat_section_table to store
9703         struct rather than pointer.
9704         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9705         Add kept_object and kept_shndx parameters.  Change all callers.
9706         (Sized_relobj::get_kept_comdat_section): Change return type to
9707         bool.  Add kept_object and kept_shndx parameters.  Change all
9708         callers.
9709         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9710         Layout::find_or_add_kept_section.
9711
9712 2009-07-09  Ian Lance Taylor  <iant@google.com>
9713
9714         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9715         Reserve space in the hash table.
9716
9717 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9718
9719         * fileread.cc (File_read::get_mtime): New method.
9720         * fileread.h (Timespec): New structure.
9721         (File_read::get_mtime): New method.
9722         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9723         Renamed from timestamp_nsec.
9724         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9725         Elf_Xword.
9726         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9727         timestamp_nsec.
9728         (Incremental_inputs::report_archive): Save mtime; style fix.
9729         (Incremental_inputs::report_obejct): Save mtime; style fix.
9730         (Incremental_inputs::report_script): Save mtime; style fix.
9731         (Incremental_inputs::finalize_inputs): Style fix.
9732         (Incremental_inputs::finalize): Style fix.
9733         (Incremental_inputs::create_input_section_data): Store inputs
9734         mtime.
9735         * incremental.h (Incremental_inputs::report_script): Add mtime
9736         argument.
9737         (Incremental_inputs::Input_info::Input_info): Intialize only one
9738         union member.
9739         (Incremental_inputs::Input_info::archive): Move to nameless
9740         union.
9741         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9742         (Incremental_inputs::Input_info::script): Move to nameless union.
9743         (Incremental_inputs::mtime): New field.
9744         * script.cc (read_input_script): Pass file mtime to
9745         Incremental_input.
9746         * script.h (Script_info::inputs): Style fix.
9747
9748 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9749
9750         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9751         instead of 32.
9752
9753 2009-06-24  Ian Lance Taylor  <iant@google.com>
9754
9755         PR 10156
9756         * layout.cc (Layout::choose_output_section): If we find an
9757         existing section, update the flags.
9758         (Layout::create_notes): New function, broken out of
9759         Layout::finalize.
9760         (Layout::finalize): Don't create note sections.
9761         (Layout::create_note): Don't crash if linker script discards
9762         section.
9763         (Layout::create_gold_note): Likewise.
9764         (Layout::create_build_id): Likewise.  Don't set
9765         after_input_sections on the section.
9766         (Layout::create_executable_stack_info): Remove target parameter.
9767         Change caller.
9768         * layout.h (class Layout): Declare create_notes.  Update
9769         declaration of create_executable_stack_info.
9770         * gold.cc (queue_middle_tasks): Call create_notes.
9771         * output.cc (Output_section::update_flags_for_input_section): Move
9772         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9773         invalid.
9774         * output.h (Output_data::mark_address_invalid): New function.
9775         (class Output_section): Only declare, not define,
9776         update_flags_for_input_section.  Remove set_flags.
9777
9778 2009-06-24  Ian Lance Taylor  <iant@google.com>
9779
9780         * script-sections.cc (Output_section_definition::
9781         set_section_addresses): Rename shadowing local load_address to
9782         laddr.
9783
9784 2009-06-24  Ian Lance Taylor  <iant@google.com>
9785
9786         PR 10244
9787         * reloc.cc (relocate_sections): Skip empty relocation sections.
9788
9789 2009-06-23  Ian Lance Taylor  <iant@google.com>
9790
9791         PR 10156
9792         * layout.cc (Layout::create_note): Use choose_output_section
9793         rather than make_output_section.
9794
9795 2009-06-23  Ian Lance Taylor  <iant@google.com>
9796
9797         PR 10237
9798         * options.cc (General_options::parse_V): Set printed_version_.
9799         (General_options::General_options): Initialize printed_version_.
9800         * options.h (class General_options): Add printed_version_ field.
9801         * gold.cc (queue_initial_tasks): If there are no input files,
9802         don't give a fatal error if we printed the version information.
9803         (queue_middle_tasks): If using -r with a shared object, give a
9804         fatal error rather than an ordinary error.
9805
9806 2009-06-23  Ian Lance Taylor  <iant@google.com>
9807
9808         PR 10219
9809         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9810         (Layout::make_output_section): Set have_stabstr_section_ if we see
9811         a .stab*str section.
9812         (Layout::finalize): Call link_stabs_sections.
9813         (Layout::link_stabs_sections): New file.
9814         * layout.h (class Layout): Add have_stabstr_section_ field.
9815         Declare link_stabs_sections.
9816
9817 2009-06-23  Doug Kwan  <dougkwan@google.com>
9818
9819         * Makefile.am (libgold_a_LIBADD): New.
9820         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9821         * Makefile.in: Regenerate.
9822         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9823         * configure: Regenerate.
9824         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9825         * fileread.cc: Include sys/state.h
9826         * gold.h: Declare memmem and strndup if found missing.
9827         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9828
9829 2009-06-23  Ian Lance Taylor  <iant@google.com>
9830
9831         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9832         * configure: Rebuild.
9833
9834 2009-06-23  Ian Lance Taylor  <iant@google.com>
9835
9836         PR 10147
9837         * object.cc (Object::section_contents): Don't try to get a view if
9838         the section has length zero.
9839         (Object::handle_gnu_warning_section): If the section is empty, use
9840         the name of the section as the warning.
9841
9842 2009-06-23  Ian Lance Taylor  <iant@google.com>
9843
9844         PR 10133
9845         * stringpool.h (class Stringpool_template): Add optimize_ field.
9846         (Stringpool_template::set_optimize): New function.
9847         * stringpool.cc (Stringpool_template::Stringpool_template):
9848         Initialize optimize_ field.
9849         (Stringpool_template::set_string_offsets): Test local optimize
9850         fild rather than parameter.
9851         * layout.cc (Layout::Layout): Call set_optimize on the section
9852         name stringpool.
9853
9854 2009-06-22  Ian Lance Taylor  <iant@google.com>
9855
9856         PR 10030
9857         * yyscript.y: Parse TARGET.
9858         * script.cc (script_set_target): New function.
9859         * script-c.h (script_set_target): Declare.
9860         * options.cc (General_options::string_to_object_format): Rename
9861         from string_to_object_format in anonymous namespace.  Change
9862         callers.
9863         * options.h (class General_options): Declare
9864         string_to_object_format.
9865
9866 2009-06-22  Ian Lance Taylor  <iant@google.com>
9867
9868         * script-sections.cc (Script_sections::create_segments): Don't put
9869         program headers in a PT_LOAD segment if -n or -N.
9870
9871 2009-06-22  Ian Lance Taylor  <iant@google.com>
9872
9873         PR 10141
9874         * options.h (class General_options): Add -z lazy and -z now.  Sort
9875         -z options into alphabetical order.
9876         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9877
9878 2009-06-21  Ian Lance Taylor  <iant@google.com>
9879
9880         * layout.cc (Layout::make_output_section): Call
9881         Target::new_output_section.
9882         (Layout::attach_allocated_section_to_segment): Put large section
9883         sections in a separate load segment with the large segment flag
9884         set.
9885         (Layout::segment_precedes): Sort large data segments after other
9886         load segments.
9887         (align_file_offset): New static function.
9888         (Layout::set_segment_offsets): Use align_file_offset.
9889         * output.h (class Output_section): Add is_small_section_ and
9890         is_large_section_ fields.
9891         (Output_section::is_small_section): New function.
9892         (Output_section::set_is_small_section):  New function.
9893         (Output_section::is_large_section): New function.
9894         (Output_section::set_is_large_section): New function.
9895         (Output_section::is_large_data_section): New function.
9896         (class Output_segment): Add is_large_data_segment_ field.
9897         (Output_segment::is_large_data_segment): New function.
9898         (Output_segment::set_is_large_data_segment): New function.
9899         * output.cc (Output_section::Output_section): Initialize new
9900         fields.
9901         (Output_segment::Output_segment): Likewise.
9902         (Output_segment::add_output_section): Add assertion that large
9903         data sections always go in large data segments.  Force small data
9904         sections to the end of the list of data sections.  Force small BSS
9905         sections to the start of the list of BSS sections.  For large BSS
9906         sections to the end of the list of BSS sections.
9907         * symtab.h (class Symbol): Declare is_common_shndx.
9908         (Symbol::is_defined): Check Symbol::is_common_shndx.
9909         (Symbol::is_common): Likewise.
9910         (class Symbol_table): Define enum Commons_section_type.  Update
9911         declarations.  Add small_commons_ and large_commons_ fields.
9912         * symtab.cc (Symbol::is_common_shndx): New function.
9913         (Symbol_table::Symbol_table): Initialize new fields.
9914         (Symbol_table::add_from_object): Put small and large common
9915         symbols in the right list.
9916         (Symbol_table::sized_finalized_symbol): Check
9917         Symbol::is_common_shndx.
9918         (Symbol_table::sized_write_globals): Likewise.
9919         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9920         common symbol lists.  Don't call do_allocate_commons_list if the
9921         list is empty.
9922         (Symbol_table::do_allocate_commons_list): Remove is_tls
9923         parameter.  Add comons_section_type parameter.  Change all
9924         callers.  Handle small and large common symbols.
9925         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9926         Symbol::is_common_shndx.
9927         * resolve.cc (symbol_to_bits): Likewise.
9928         * target.h (Target::small_common_shndx): New function.
9929         (Target::small_common_section_flags): New function.
9930         (Target::large_common_shndx): New function.
9931         (Target::large_common_section_flags): New function.
9932         (Target::new_output_section): New function.
9933         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9934         small_common_section_flags, and large_common_section_flags
9935         fields.
9936         (Target::do_new_output_section): New virtual function.
9937         * arm.cc (Target_arm::arm_info): Initialize new fields.
9938         * i386.cc (Target_i386::i386_info): Likewise.
9939         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9940         Likewise.
9941         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9942         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9943         (Target_x86_64::do_new_output_section): New function.
9944         * configure.ac: Define conditional MCMODEL_MEDIUM.
9945         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9946         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9947         (large_LDFLAGS): Define.
9948         * testsuite/large.c: New file.
9949         * testsuite/testfile.cc (Target_test::test_target_info):
9950         Initialize new fields.
9951         * configure, testsuite/Makefile.in: Rebuild.
9952
9953 2009-06-05  Doug Kwan  <dougkwan@google.com>
9954
9955         * Makefile.am (CCFILES): Add target.cc.
9956         * Makefile.in: Regenerate.
9957         * i386.cc (class Target_i386): Define new virtual method to
9958         override do_is_local_label_name in parent.
9959         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9960         local symbols if --discard-locals or -X is given.
9961         * options.h (class General_options): Declare new options
9962         '--discard-locals' and '-X' for discarding locals.
9963         * target.h (class Target): Define new methods is_local_label_name.
9964         Declare new virtual method do_is_local_label_name.
9965         * target.cc: New file.
9966         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9967         (check_SCRIPTS): Add discard_locals_test.sh.
9968         (check_DATA): Add discard_local_tests.syms.
9969         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9970         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9971         * testsuite/Makefile.in: Regenerate.
9972         * testsuite/discard_locals_test.c: New file.
9973         * testsuite/discard_locals_test.sh: Same.
9974
9975 2009-06-05  Doug Kwan  <dougkwan@google.com>
9976
9977         * object.cc (Sized_relobj::Sized_relobj): Initialize
9978         discarded_eh_frame_shndx_ to -1U.
9979         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9980         section.
9981         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9982         a discarded .eh_frame section.
9983         (Sized_relobj::do_finalize_local_symbols): Ditto.
9984         * object.h (class Sized_relobj): Declare new member
9985         discarded_eh_frame_shndx_.
9986         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9987         (local_labels_test.o, local_labels_test): New rules.
9988         * testsuite/Makefile.in: Regenerate.
9989
9990 2009-06-04  Doug Kwan  <dougkwan@google.com>
9991
9992         * layout.cc (Layout::section_name_mapping): Add mapping for
9993         special ARM sections.
9994
9995 2009-06-03  Doug Kwan  <dougkwan@google.com>
9996
9997         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9998         (utils::has_overflow): Same.
9999
10000 2009-06-03  Ian Lance Taylor  <iant@google.com>
10001
10002         * layout.cc (Layout::section_name_mapping): New array, replacing
10003         Layout::linkonce_mapping.
10004         (Layout::section_name_mapping_count): New variable, replacing
10005         Layout::linkonce_mapping_count.
10006         (Layout::linkonce_output_name): Remove.
10007         (Layout::output_section_name): Rewrite.
10008         * layout.h (class Layout): Rename Linkonce_mapping to
10009         Section_name_mapping, linkonce_mapping to section_name_mapping,
10010         linkonce_mapping_count to section_name_mapping_count.  Don't
10011         declare linkonce_output_name.
10012
10013 2009-06-03  Doug Kwan  <dougkwan@google.com>
10014
10015         * gold/arm.cc (namespace utils): New.
10016         (Target_arm::reloc_is_non_pic): Define new method.
10017         (class Arm_relocate_functions): New.
10018         (Target_arm::Relocate::relocate): Handle relocation types used by
10019         Android.
10020
10021 2009-06-03  Ian Lance Taylor  <iant@google.com>
10022
10023         * arm.cc (Target_arm::scan::global): Use || instead of |.
10024
10025 2009-06-02  Doug Kwan  <dougkwan@google.com>
10026
10027         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10028         issued_non_pic_error_.
10029         (class Target_arm::Scan): Declare new method check_non_pic.
10030         Define new method symbol_needs_plt_entry.
10031         Declare new data member issued_non_pic_error_.
10032         (class Target_arm::Relocate): Declare new method
10033         should_apply_static_reloc.
10034         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10035         (Target_arm::Scan::check_non_pic): Define new method.
10036         (Target_arm::Scan::local): Handle a small subset of reloc types used
10037         by Android.
10038         (Target_arm::Scan::local): Same.
10039         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10040
10041 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10042
10043         * incremental.cc (Incremental_inputs::report_command_line): Filter
10044         out --incremental-* options.
10045
10046 2009-05-29  Doug Kwan  <dougkwan@google.com>
10047
10048         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10049         template class.
10050         (class Target_arm): Update comment.
10051         (Target_arm::Target_arm): Initialize new data members GOT_,
10052         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10053         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10054         and Target_arm::rel_dyn_section.
10055         Declare new_enum Target_arm::Got_type.
10056         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10057         and DYNBSS_.
10058         Update commments for member do_dynsym_value.
10059         (Target_arm::got_size, Target_arm::plt_section,
10060         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10061         new methods inside class defintion.
10062         (Target_arm::got_section): Define new method.
10063         (Target_arm::rel_dyn_section): Same.
10064         (Output_data_plt_arm): New template class.
10065         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10066         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10067         (Output_data_plt_arm::add_entry): Same.
10068         (Output_data_plt_arm::first_plt_entry): Define new
10069         static data member for PLT instruction template.
10070         (Output_data_plt_arm::plt_entry): Same.
10071         (Output_data_plt_arm::do_write): Define new method.
10072         (Target_arm::make_plt_entry): Same.
10073         (Target_arm::do_finalize_sections): Same.
10074         (Target_arm::do_dynsym_value): Same.
10075
10076 2009-05-28  Doug Kwan  <dougkwan@google.com>
10077
10078         * Makefile.am (TARGETSOURCES): Add arm.cc.
10079         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10080         * Makefile.in: Regenerate.
10081         * arm.cc: New file.
10082         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10083
10084 2009-05-26  Doug Kwan  <dougkwan@google.com>
10085
10086         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10087         (General_options::check_excluded_libs): Strip off directories in
10088         archive name before matching like GNU ld does.
10089         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10090         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10091         (exclude_libs_test_LDFLAGS): Add linker option
10092         -Wl,--exclude-libs,libexclude_libs_test_3
10093         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10094         an explicit archive without using -l.
10095         (alt/libexclude_libs_test_3.a): New make rule.
10096         * testsuite/Makefile.in: Regenerate.
10097         * testsuite/exclude_libs_test.c : Declare lib3_default().
10098         (main): Call it.
10099         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10100         * exclude_libs_test_3.c: New file.
10101
10102 2009-05-26  Nick Clifton  <nickc@redhat.com>
10103
10104         * po/id.po: New Indonesian translation.
10105         * po/gold.pot: Updated template file.
10106
10107 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10108
10109         * testsuite/Makefile.am: Add -ffunction-sections to compile
10110         gc_comdat_test files.  Add -Wl,--gc-sections to build
10111         gc_comdat_test.
10112         * testsuite/Makefile.in: Regenerate.
10113         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10114
10115 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10116
10117         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10118         kept comdat section was garbage collected.
10119         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10120         * testsuite/Makefile.in: Regenerate.
10121         * testsuite/gc_comdat_test.sh: New file.
10122         * testsuite/gc_comdat_test_1.cc: New file.
10123         * testsuite/gc_comdat_test_2.cc: New file.
10124
10125 2009-05-19  Doug Kwan  <dougkwan@google.com>
10126
10127         * archive.cc (Archive::Archive): Move constructor from archive.h
10128         to here.  Initialize no_export_.
10129         (Archive::get_elf_object_for_member): Set no_export flag of object.
10130         * archive.h (Archive::Archive): Move constructor body to
10131         archive.cc.
10132         (Archive::no_export): New method.
10133         (Archive::no_export_): New field.
10134         * object.h (Object::Object): Initialize no_export_ to false.
10135         (Object::no_export, Object::set_no_export): New methods.
10136         (Object::no_export_): New field.
10137         * options.cc (General_options::parse_exclude_libs): New method.
10138         (General_options::check_excluded_libs) Same.
10139         * options.h (exclude_libs): New option.
10140         (General_options::check_excluded_libs): New method declaration.
10141         (General_options::excluded_libs_): New field.
10142         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10143         default or protected visibility if an object has no-export flag set.
10144         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10145         (check_SCRIPTS): Add exclude_libs_test.sh.
10146         (check_DATA): Add exclude_libs_test.syms.
10147         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10148         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10149         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10150         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10151         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10152         libexclude_libs_test_2.a): New rules.
10153         * testsuite/Makefile.in: Regenerate.
10154         * testsuite/exclude_libs_test.c: New file.
10155         * testsuite/exclude_libs_test.sh: Ditto.
10156         * testsuite/exclude_libs_test_1.c: Ditto.
10157         * testsuite/exclude_libs_test_2.c: Ditto.
10158
10159 2009-05-15  Ian Lance Taylor  <iant@google.com>
10160
10161         * configure.ac: Check for declarations for cases where libiberty.h
10162         checks HAVE_DECL_xxx.
10163         * configure, config.in: Rebuild.
10164
10165 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10166
10167         * gold.h (Incremental_argument_list): Remove (invalid) forward
10168         declaration.
10169         * incremental.cc (Incremental_inputs::report_achive): New method.
10170         (Incremental_inputs::report_object): New method.
10171         (Incremental_inputs::report_script): New method.
10172         (Incremental_inputs::finalize_inputs): New method.
10173         (Incremental_inputs::finalize): Call finalize_inputs().
10174         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10175         Create inputs entries.
10176         * incremental.h (Incremental_input_type): New enum.
10177         (Incremental_inputs::Incremental_input): Initialize new fields.
10178         (Incremental_inputs::report_inputs): New method.
10179         (Incremental_inputs::report_achive): New method.
10180         (Incremental_inputs::report_object): New method.
10181         (Incremental_inputs::report_script): New method.
10182         (Incremental_inputs::finalize_inputs): New method.
10183         (Incremental_inputs::Input_info): New struct.
10184         (Incremental_inputs::Input_info_map): New typedef.
10185         (Incremental_inputs::lock_): New field.
10186         (Incremental_inputs::Inputs_): New field.
10187         (Incremental_inputs::Inputs_map): New field.
10188         * main.cc (main): Call Incremental_input::report_inputs.
10189         * options.h (Input_argument_list): Typedef moved from
10190         Input_arguments.
10191         (Input_file_group::Files): Remove, use ::Input_argument_list.
10192         (Input_file_group::Input_argument_list): Remove, use
10193         ::Input_argument_list.
10194         * plugin.cc (Plugin_manager::add_input_file): Add error in
10195         incremental build.
10196         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10197         functions.
10198         * script.cc (read_input_script): Call
10199         Incremental_input::report_script.
10200         * script.h (Script_info): New class.
10201
10202 2009-04-27  Ian Lance Taylor  <iant@google.com>
10203
10204         * x86_64.cc (do_adjust_output_section): Set entsize to
10205         plt_entry_size.
10206
10207 2009-04-23  Elliott Hughes  <enh@google.com>
10208
10209         * output.cc (Output_file::close): After short writes, continue
10210         writing from the correct offset in the buffer being written.
10211
10212 2009-04-23  Chris Demetriou  <cgd@google.com>
10213
10214         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10215         * configure: Regenerate.
10216         * config.in: Regenerate.
10217         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10218         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10219
10220 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10221
10222         * incremental.cc (Incremental_inputs_header_data): Renamed from
10223         Incremental_input_header_data.
10224         (Incremental_inputs_header_data::data_size): New field.
10225         (Incremental_inputs_header_data::put_input_file_count): Renamed
10226         from input_file_count.
10227         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10228         from command_line_offset.
10229         (Incremental_inputs_header_data::put_reserved): Renamed from
10230         put_reserved.
10231         (Incremental_inputs_entry_data): Renamed from
10232         Incremental_input_entry_data.
10233         (Incremental_inputs_entry_data::data_size): New field.
10234         (Incremental_inputs::report_command_line): New method.
10235         (Incremental_inputs::finalize): New method.
10236         (Incremental_inputs::create_incremental_inputs_data): New method.
10237         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10238         * incremental.h: New file.
10239         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10240        (Layout::finalize): Create incremental inputs section in
10241         incremental builds.
10242        (Layout::create_incremental_info_sections): New method.
10243         * layout.h (Layout::incremental_inputs): New method.
10244        (Layout::create_incremental_info_sections): New method.
10245        (Layout::incremental_inputs_): New field.
10246         * main.cc (main): Notify Incremental_input of the command line.
10247
10248 2009-04-01  Ian Lance Taylor  <iant@google.com>
10249             Mikolaj Zalewski  <mikolajz@google.com>
10250
10251         * gold.h (reserve_unordered_map): Define, three versions, one for
10252         each version of Unordered_map.
10253         * layout.cc (Layout::Layout): Remove options parameter.  Add
10254         number_of_input_files parameter.  Don't initialize options_.
10255         Initialize number_of_input_files_ and resized_signatures_.  Move
10256         sections_are_attached_.
10257         (Layout::layout_group): Reserve space for group_signatures_.
10258         (Layout::find_or_add_kept_section): Change name parameter to be a
10259         reference.  Resize signatures_ map when it gets large enough.
10260         (Layout::layout_eh_frame): Use parameters->options() instead of
10261         this->options_.
10262         (Layout::make_output_section): Likewise.
10263         (Layout::attach_allocated_section_to_segment): Likewise.
10264         (Layout::finalize, Layout::create_executable_stack): Likewise.
10265         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10266         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10267         * layout.h (class Layout): Update declarations.  Remove options_
10268         field.  Add number_of_input_files_ and resized_signatures_
10269         fields.  Move sections_are_attached_ field.
10270         * main.cc (main): Pass number of input files to Layout
10271         constructor.  Don't pass options.
10272
10273 2009-03-30  Ian Lance Taylor  <iant@google.com>
10274
10275         * ffsll.c (ffsll): Correct implementation.
10276
10277 2009-03-27  Ian Lance Taylor  <iant@google.com>
10278
10279         * ffsll.c: New file.
10280         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10281         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10282         * ftruncate.c (ftruncate): Declare before definition.
10283         * mremap.c (mremap): Likewise.
10284         * pread.c (pread): Likewise.
10285         * configure, Makefile.in, config.in: Rebuild.
10286
10287         * mremap.c: New file.
10288         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10289         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10290         (mremap): Declare if HAVE_MREMAP is not defined.
10291         * configure, Makefile.in, config.in: Rebuild.
10292
10293 2009-03-27  Cary Coutant  <ccoutant@google.com>
10294
10295         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10296         position independent.
10297         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10298         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10299
10300 2009-03-24  Cary Coutant  <ccoutant@google.com>
10301
10302         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10303         an executable.
10304         (needs_dynamic_reloc): Likewise.
10305
10306 2009-03-24  Ian Lance Taylor  <iant@google.com>
10307
10308         * yyscript.y (file_cmd): Recognize EXTERN.
10309         (extern_name_list, extern_name_list_body): New nonterminals.
10310         * script.cc (script_add_extern): Define.
10311         * script-c.h (script_add_extern): Declare.
10312
10313 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10314
10315         * object.cc (is_elf_object): Define.
10316         * object.h (is_elf_object): Declare.
10317         * archive.cc (Archive::get_elf_object_for_member): Call
10318         is_elf_object.
10319         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10320
10321 2009-03-24  Elliott Hughes  <enh@google.com>
10322
10323         * output.cc (Output_file::map_anonymous): Define.
10324         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10325         try an anonymous one.  Report the size if the mmap fails.
10326         * output.h (class Output_file): Declare map_anonymous.
10327
10328 2009-03-24  Ian Lance Taylor  <iant@google.com>
10329
10330         * target-select.cc (instantiate_target): Don't acquire the lock if
10331         the instantiated_target_ field has already been set.
10332
10333 2009-03-23  Ian Lance Taylor  <iant@google.com>
10334
10335         * gold-threads.h (class Initialize_lock): Define.
10336         * gold-threads.cc (class Initialize_lock_once): Define.
10337         (initialize_lock_control): New static variable.
10338         (initialize_lock_pointer): New static variable.
10339         (initialize_lock_once): New static function.
10340         (Initialize_lock::Initialize_lock): Define.
10341         (Initialize_lock::initialize): Define.
10342         * target-select.h: Include "gold-threads.h".
10343         (class Target_selector): Add lock_ and initialize_lock_ fields.
10344         Don't define instantiate_target, just declare it.
10345         * target-select.cc (Target_selector::Target_selector): Initialize
10346         new fields.
10347         (Target_selector::instantiate_target): Define.
10348         * descriptors.h: Include "gold-threads.h".
10349         (class Descriptors): Add initialize_lock_ field.
10350         * descriptors.cc (Descriptors::Descriptors): Initialize new
10351         field.
10352         (Descriptors::open): Use initialize_lock_ field
10353         * errors.h (class Errors): Add initialize_lock_ field.
10354         * errors.cc (Errors::Errors): Initialize new field.
10355         (Errors::initialize_lock): Use initialize_lock_ field.
10356         * powerpc.cc (class Target_selector_powerpc): Remove
10357         instantiated_target_ field.  In do_recognize call
10358         instantiate_target rather than do_instantiate_target.  In
10359         do_instantiate_target just allocate a new target.
10360         * sparc.cc (class Target_selector_sparc): Likewise.
10361
10362         * freebsd.h: New file.
10363         * i386.cc: Include "freebsd.h".
10364         (Target_i386): Derive from Target_freebsd rather than
10365         Sized_target.
10366         (Target_selector_i386): Derive from Target_selector_freebsd rather
10367         than Target_selector.
10368         * x86_64.cc: Include "freebsd.h".
10369         (Target_x86_64): Derive from Target_freebsd rather than
10370         Sized_target.
10371         (Target_selector_x86_64): Derive from Target_selector_freebsd
10372         rather than Target_selector.
10373         * target.h (class Target): Add adjust_elf_header and
10374         do_adjust_elf_header.
10375         * output.cc (Output_file_header:: do_sized_write): Call target
10376         adjust_elf_header routine.
10377         * configure.tgt: Set targ_osabi.
10378         * configure.ac: Define GOLD_DEFAULT_OSABI.
10379         * parameters.cc (Parameters::default_target): Pass
10380         GOLD_DEFAULT_OSABI to select_target.
10381         * target-select.h (class Target_selector): Make instantiate_target
10382         protected rather than private.
10383         * Makefile.am (HFILES): Add freebsd.h.
10384         * configure, Makefile.in, config.in: Rebuild.
10385
10386         * merge.cc (do_add_input_section): Correct pend value.  Change
10387         message about last entry not being null terminated from error to
10388         warning.
10389
10390 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10391
10392         * incremental.cc: New file.
10393         * Makefile.am (CCFILES): Add incremental.cc.
10394         * Makefile.in: Rebuild.
10395
10396 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10397
10398         * layout.cc (Layout::output_section_name): Preserve names
10399         of '.note.' sections.
10400
10401 2009-03-19  Ian Lance Taylor  <iant@google.com>
10402
10403         * descriptors.cc (Descriptors::open): Check that the options are
10404         valid before using them.
10405
10406 2009-03-18  Ian Lance Taylor  <iant@google.com>
10407
10408         * script-sections.h: Include <list>.
10409         (class Script_sections): Change Sections_elements from std::vector
10410         to std::list.  Typedef public Elements_iterator.  Add
10411         orphan_section_placement_, data_segment_align_start_, and
10412         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10413         field.
10414         * script-sections.cc (class Orphan_section_placement): New class.
10415         (class Sections_element): Add virtual functions is_relro and
10416         orphan_section_init.  Remove virtual function place_orphan_here.
10417         (class Output_section_definition): Add is_relro and
10418         orphan_section_init.  Remove place_orphan_here.
10419         (class Orphan_output_section): Likewise.
10420         (Script_sections::Script_sections): Update for field changes.
10421         (Script_sections::data_segment_align): Set saw_data_segment_align_
10422         and data_segment_align_start_, not data_segment_align_index.
10423         (Script_sections::data_segment_relro_end): Check
10424         saw_data_segment_align_.  Use data_segment_align_start_ rather
10425         than data_segment_align_index_.
10426         (Script_sections::place_orphan): Rewrite to use
10427         Orphan_section_placement.
10428
10429 2009-03-17  Ian Lance Taylor  <iant@google.com>
10430
10431         * archive.cc (Archive::add_symbols): Check for a version attached
10432         to the symbol name in the archive map.
10433         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10434         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10435         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10436         (ver_test_11.a): New target.
10437         * testsuite/Makefile.in: Rebuild.
10438
10439         * configure.ac: Check for chsize and posix_fallocate.  Replace
10440         ftruncate.
10441         * ftruncate.c: New file, from gnulib.
10442         * output.cc (posix_fallocate): Define dummy version if not
10443         HAVE_POSIX_FALLOCATE.
10444         (Output_file::map): Call posix_fallocate rather than lseek and
10445         write.
10446         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10447         * configure, Makefile.in, config.in: Rebuild.
10448
10449 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10450
10451         * layout.h (Layout::create_note): Add section_name parameter.
10452         * layout.cc (Layout::create_note): Likewise.
10453         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10454
10455 2009-03-17  Ian Lance Taylor  <iant@google.com>
10456
10457         * descriptors.cc: Include "options.h".
10458         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10459         (Descriptors::open): Always use O_CLOEXEC when opening a new
10460         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10461         then set FD_CLOEXEC.
10462
10463         * sparc.cc (class Target_sparc): Add has_got_section.
10464         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10465         make sure we have a GOT section.
10466
10467         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10468         (Target_sparc::Scan::local): Likewise.
10469         (Target_sparc::Scan::global): Likewise.
10470         (Target_sparc::Relocate::relocate): Likewise.
10471         (Target_sparc::Relocate::relocate_tls): Likewise.
10472
10473         * symtab.cc (Symbol_table::define_default_version): New function,
10474         broken out of add_from_object.
10475         (Symbol_table::add_from_object): Call define_default_version.
10476         (Symbol_table::define_special_symbol): Add resolve_oldsym
10477         parameter.  Change all callers.  If the version for a symbol comes
10478         from a version script, resolve it with the symbol with the same
10479         name with no version.  Also add the symbol without a version if
10480         appropriate.
10481         (do_define_in_output_data): If resolving with oldsym, don't delete
10482         sym.
10483         (do_define_in_output_segment): Likewise.
10484         (do_define_as_constant): Likewise.
10485         * symtab.h (class Symbol_table): Update declarations.
10486
10487 2009-03-13  Ian Lance Taylor  <iant@google.com>
10488
10489         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10490         (Read_symbols::requeue): New function.
10491         (Read_symbols::do_read_symbols): If make_elf_object fails because
10492         the target type is not configured, and the file was searched for,
10493         issue a warning and retry with the next directory.
10494         (Add_symbols::run): If the file has an incompatible format, and
10495         it was searched for, requeue the Read_symbols task.  On error,
10496         release the object.
10497         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10498         dirindex parameter to constructor.  Change all callers.  Declare
10499         incompatible_warning and requeue.
10500         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10501         input_argument_ and input_group_ fields.  Add them to
10502         constructor.  Change all callers.
10503         (class Read_script): Add dirindex_ field.  Add it to constructor.
10504         Change all callers.
10505         * archive.cc (Archive::setup): Remove input_objects parameter.
10506         Change all callers.
10507         (Archive::get_file_and_offset): Likewise.
10508         (Archive::read_all_symbols): Likewise.
10509         (Archive::read_symbols): Likewise.
10510         (Archive::get_elf_object_for_member): Remove input_objects
10511         parameter.  Add punconfigured parameter.  Change all callers.
10512         (Archive::add_symbols): Change return type to bool.  Check return
10513         value of include_member.
10514         (Archive::include_all_members): Likewise.
10515         (Archive::include_member): Change return type to bool.  Return
10516         false if first included object has incompatible target.  Set
10517         included_member_ field.
10518         (Add_archive_symbols::run): If add_symbols returns false, requeue
10519         Read_symbols task.
10520         * archive.h (class Archive): Add included_member_ field.
10521         Initialize it in constructor.  Add input_file and searched_for
10522         methods.  Update declarations.
10523         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10524         input_argument_ fields.  Add them to constructor.  Change all
10525         callers.
10526         * script.cc: Include "target-select.h".
10527         (class Parser_closure): Add skip_on_incompatible_target_ and
10528         found_incompatible_target_ fields.  Add
10529         skip_on_incompatible_target parameter to constructor.  Change all
10530         callers.  Add methods skip_on_incompatible_target,
10531         clear_skip_on_incompatible_target, found_incompatible_target, and
10532         set_found_incompatible_target.
10533         (read_input_script): Add dirindex parameter.  Change all callers.
10534         If parser finds an incompatible target, requeue Read_symbols
10535         task.
10536         (script_set_symbol): Clear skip_on_incompatible_target in
10537         closure.
10538         (script_add_assertion, script_parse_option): Likewise.
10539         (script_start_sections, script_add_phdr): Likewise.
10540         (script_check_output_format): New function.
10541         * script.h (read_input_script): Update declaration.
10542         * script-c.h (script_check_output_format): Declare.
10543         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10544         (ignore_cmd): Remove OUTPUT_FORMAT.
10545         * fileread.cc (Input_file::Input_file): Add explicit this.
10546         (Input_file::will_search_for): New function.
10547         (Input_file::open): Add pindex parameter.  Change all callers.
10548         * fileread.h (class Input_file): Add input_file_argument method.
10549         Declare will_search_for.  Update declarations.
10550         * object.cc (make_elf_object): Add punconfigured parameter.
10551         Change all callers.
10552         * object.h (class Object): Make input_file public.  Add
10553         searched_for method.
10554         (make_elf_object): Update declaration.
10555         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10556         restart search.
10557         * dirsearch.h (class Dirsearch): Update declaration.
10558         * options.h (class General_options): Add --warn-search-mismatch.
10559         * parameters.cc (Parameters::is_compatible_target): New function.
10560         * parameters.h (class Parameters): Declare is_compatible_target.
10561         * workqueue.cc (Workqueue::add_blocker): New function.
10562         * workqueue.h (class Workqueue): Declare add_blocker.
10563
10564         * fileread.cc (Input_file::open): Remove options parameter.
10565         Change all callers.
10566         (Input_file::open_binary): Likewise.
10567         * script.cc (read_input_script): Likewise.
10568         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10569         options parameter from constructor.  Change all callers.
10570         (class Read_script): Likewise.
10571         * fileread.h (class Input_file): Update declarations.
10572         * script.h (read_input_script): Update declaration.
10573
10574 2009-03-10  Nick Clifton  <nickc@redhat.com>
10575
10576         * po/es.po: New Spanish translation.
10577
10578 2009-03-06  Cary Coutant  <ccoutant@google.com>
10579
10580         * options.cc (parse_short_option): Keep dash_z from registering itself.
10581
10582 2009-03-03  Ian Lance Taylor  <iant@google.com>
10583
10584         PR 9918
10585         * target-reloc.h (relocate_section): Pass output_section to
10586         relocate.
10587         * i386.cc (Target_i386::should_apply_static_reloc): Add
10588         output_section parameter.  Change all callers.
10589         (Target_i386::Relocate::relocate): Add output_section parameter.
10590         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10591         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10592         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10593         * testsuite/two_file_shared.sh: New script.
10594         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10595         (check_DATA): Add two_file_shared.dbg.
10596         (two_file_shared.dbg): New target.
10597         * testsuite/Makefile.in: Rebuild.
10598
10599 2009-03-01  Ian Lance Taylor  <iant@google.com>
10600
10601         * configure.ac: Check for byteswap.h.
10602         * configure: Rebuild.
10603         * config.in: Rebuild.
10604
10605 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10606
10607         * layout.cc (Layout::find_or_add_kept_section): New function.
10608         (Layout::add_comdat): Removed.
10609         * layout.h (struct Kept_section): Move out of class Layout.
10610         Remove trailing underscores from field names.  Add group_sections
10611         field.  Rename group_ field to is_group.  Change all uses.
10612         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10613         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10614         comdat_groups_ field.
10615         (Sized_relobj::include_section_group): Use
10616         find_or_add_kept_section and Kept_section::group_sections.
10617         (Sized_relobj::include_linkonce_section): Likewise.
10618         * object.cc (class Sized_relobj): Don't define Comdat_group or
10619         Comdat_group_table.  Remove find_comdat_group and
10620         add_comdat_group.  Remove comdat_groups_ field.
10621         * plugin.cc (include_comdat_group): Use
10622         Layout::find_or_add_kept_section.
10623
10624 2009-02-28  Ian Lance Taylor  <iant@google.com>
10625
10626         * README: --gc-sections and map files are now supported.  Document
10627         some build requirements.
10628
10629         PR 6992
10630         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10631         relocatable link set the value of the section symbol to zero.
10632         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10633         relocatable link don't include the section address in the local
10634         symbol value.
10635
10636 2009-02-27  Ian Lance Taylor  <iant@google.com>
10637
10638         PR 6811
10639         * options.h (class Search_directory): Add is_system_directory.
10640         (class General_options): Declare is_in_system_directory.
10641         * options.cc (get_relative_sysroot): Make static.
10642         (get_default_sysroot): Make static.
10643         (General_optoins::is_in_system_directory): New function.
10644         * fileread.cc (Input_file::is_in_system_directory): New function.
10645         * fileread.h (class Input_file): Declare is_in_system_directory.
10646         * object.h (class Object): Add is_in_system_directory.
10647         (class Input_objects): Remove system_library_directory_ field.
10648         * object.cc (Input_objects::add_object): Don't set
10649         system_library_directory_.
10650         (input_objects::found_in_system_library_directory): Remove.
10651         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10652         parameter.  Change all callers.
10653         (Symbol_table::sized_write_globals): Likewise.
10654         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10655         Call Object::is_in_system_directory.
10656         * symtab.h (class Symbol_table): Update declarations.
10657
10658         PR 5990
10659         * descriptors.h (Open_descriptor): Add is_on_stack field.
10660         * descriptors.cc (Descriptors::open): If the descriptor is on the
10661         top of the stack, remove it.  Initialize is_on_stack field.
10662         (Descriptors::release): Only add pod to stack if it is not on the
10663         stack already.
10664         (Descriptors::close_some_descriptor): Clear stack_next and
10665         is_on_stack fields.
10666
10667         PR 7091
10668         * output.cc (Output_section::find_starting_output_address): Rename
10669         from starting_output_address; add PADDR parameter; change return
10670         type.
10671         * output.h (class Output_section): Declare
10672         find_starting_output_address instead of starting_output_address.
10673         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10674         section symbol for which we can't find a merge section.
10675
10676         PR 9836
10677         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10678         hidden or internal, force the symbol to be local.
10679         * resolve.cc (Symbol::override_visibility): Define.
10680         (Symbol::override_base): Use override_visibility.
10681         (Symbol_table::resolve): Likewise.
10682         (Symbol::override_base_with_special): Likewise.
10683         (Symbol_table::override_with_special): If the visibility is hidden
10684         or internal, force the symbol to be local.
10685         * symtab.h (class Symbol): Add set_visibility and
10686         override_visibility.
10687         * testsuite/ver_test_1.sh: New file.
10688         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10689         (check_DATA): Add ver_test_1.syms.
10690         (ver_test_1.syms): New target.
10691         * testsuite/Makefile.in: Rebuild.
10692
10693 2009-02-25  Cary Coutant  <ccoutant@google.com>
10694
10695         * layout.cc (Layout::choose_output_section): Don't rename sections
10696         when using a linker script that has a SECTIONS clause.
10697         * Makefile.in: Regenerate.
10698
10699         * testsuite/Makefile.am (script_test_5.sh): New test case.
10700         * testsuite/Makefile.in: Regenerate.
10701         * testsuite/script_test_5.cc: New file.
10702         * testsuite/script_test_5.sh: New file.
10703         * testsuite/script_test_5.t: New file.
10704
10705 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10706
10707         * archive.cc (Archive::include_member): Update calls to add_symbols.
10708         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10709         the Layout argument.
10710         * dynobj.h (do_add_symbols): Add the Layout argument.
10711         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10712         Layout argument.
10713         * object.h (Object::add_symbols): Add the Layout argument.
10714         (Object::do_add_symbols): Add the Layout argument.
10715         (Sized_relobj::do_add_symbols): Add the Layout argument.
10716         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10717         Unify the two versions.
10718         (Add_plugin_symbols): Remove.
10719         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10720         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10721         (Add_plugin_symbols): Remove.
10722         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10723         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10724         (Add_symbols::run): Make it work with Pulginobj.
10725
10726 2009-02-06  Ian Lance Taylor  <iant@google.com>
10727
10728         * object.cc (Sized_relobj::do_layout): Make info message start
10729         with lower case letter.
10730
10731 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10732
10733         * binary.cc: Fix file comment.
10734
10735         * options.h (enum Incremental_disposition): Define.
10736         (class General_options): Add new options: --incremental,
10737         --incremental_changed, --incremental_unchanged,
10738         --incremental_unknown.  Add incremental_disposition_ and
10739         implicit_incremental_ fields.
10740         (General_options::incremental_disposition): New function.
10741         (class Position_dependent_options): Add incremental_disposition
10742         option.
10743         (Position_dependent_options::copy_from_options): Set incremental
10744         dispositions.
10745         * options.cc (General_options::parse_incremental_changed): New
10746         function.
10747         (General_options::parse_incremental_unchanged): New function.
10748         (General_options::parse_incremental_unknown): New function.
10749         (General_options::General_options): Initialize new fields
10750         incremental_disposition_ and implicit_incremental_.
10751         (General_options::finalize): Check for uasge of --incremental-*
10752         without --incremental.
10753
10754 2009-02-06  Chris Demetriou  <cgd@google.com>
10755
10756         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10757         pointer and to report location as the file name associated with
10758         the symbol.
10759         (gold_undefined_symbol_at_location): New function to replace the
10760         old gold_undefined_symbol functionality.
10761         * target-reloc.h (relocate_section): Update to use
10762         gold_undefined_symbol_at_location.
10763         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10764         Call gold_undefined_symbol function rather than gold_error.
10765         * errors.h (Errors::undefined_symbol): Take location as a
10766         string, rather than calculating it from a relocation.
10767         * errors.cc (Errors::fatal): Print "fatal error:" before the
10768         formatted message.
10769         (Errors::error, Errors::error_at_location): Print "error: "
10770         before the formatted message.
10771         (Errors::undefined_symbol): Take location as a string, rather
10772         than calculating it from a relocation.
10773         (gold_undefined_symbol_at_location): New function akin to
10774         old gold_undefined_symbol, calculates location from relocation.
10775         (gold_undefined_symbol): Change to take only a Symbol pointer
10776         and to report location as the file name associated with the symbol.
10777         * testsuite/debug_msg.sh: Update for changed error messages.
10778         * testsuite/undef_symbol.sh: Likewise.
10779
10780 2009-02-04  Duncan Sands  <baldrick@free.fr>
10781
10782         PR 9812
10783         * reduced_debug_output.h
10784         (Output_reduced_debug_abbrev_section::failed): Use format for
10785         gold_warning.
10786         (Output_reduced_debug_info_section::faild): Likewise.
10787
10788 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10789
10790         * script.cc (Lazy_demangler): New class.
10791         (Version_script_info::get_symbol_version_helper): Demangle a
10792         symbol only once.
10793
10794 2009-01-29  Cary Coutant  <ccoutant@google.com>
10795
10796         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10797         to __tls_get_addr.
10798         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10799
10800 2009-01-28  Ian Lance Taylor  <iant@google.com>
10801
10802         * version.cc (version_string): Bump to 1.9.
10803
10804         * gold.h: Include <cstring> and <stdint.h>.
10805         * version.cc: Include <cstdio>.
10806         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10807         warning.
10808         * reduced_debug_output.cc (insert_into_vector): Rename from
10809         Insert_into_vector; change all callers.  Use Swap_unaligned to
10810         avoid aliasing issue; remove union since it is unnecessary.
10811
10812 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10813
10814         * Makefile.am (CCFILES): Add gc.cc.
10815         (HFILES): Add gc.h.
10816         * Makefile.in: Regenerate.
10817         * gold.cc (Gc_runner): New class.
10818         (queue_initial_tasks): Call garbage collection related tasks
10819         when corresponding options are invoked.
10820         (queue_middle_gc_tasks): New function.
10821         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10822         processed early before laying out sections during garbage collection.
10823         * gold.h (queue_middle_gc_tasks): New function.
10824         (is_prefix_of): Move from "layout.cc".
10825         * i386.cc (Target_i386::gc_process_relocs): New function.
10826         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10827         * main.cc (main): Create object of class "Garbage_collection".
10828         * object.cc (Relobj::copy_symbols_data): New function.
10829         (Relobj::is_section_name_included): New function.
10830         (Sized_relobj::do_layout): Allow this function to be called twice
10831         during garbage collection and defer layout of section during the
10832         first call.
10833         * object.h (Relobj::get_symbols_data): New function.
10834         (Relobj::is_section_name_included): New function.
10835         (Relobj::copy_symbols_data): New function.
10836         (Relobj::set_symbols_data): New function.
10837         (Relobj::get_relocs_data): New function.
10838         (Relobj::set_relocs_data): New function.
10839         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10840         (Relobj::gc_process_relocs): New function.
10841         (Relobj::do_gc_process_relocs): New pure virtual function.
10842         (Relobj::sd_): New data member.
10843         (Sized_relobj::is_output_section_offset_invalid): New function.
10844         (Sized_relobj::do_gc_process_relocs): New function.
10845         * options.h (General_options::gc_sections): Modify to not be a no-op.
10846         (General_options::print_gc_sections): New option.
10847         * plugin.cc (Plugin_finish::run): Remove function call to
10848         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10849         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10850         * reloc.cc (Read_relocs::run): Add task to process relocs and
10851         determine unreferenced sections when doing garbage collection.
10852         (Gc_process_relocs): New class.
10853         (Sized_relobj::do_gc_process_relocs): New function.
10854         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10855         sections that are garbage collected.
10856         * reloc.h (Gc_process_relocs): New class.
10857         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10858         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10859         symbols whose corresponding sections are garbage collected.
10860         (Symbol_table::Symbol_table): Add new parameter for the garbage
10861         collection object.
10862         (Symbol_table::gc_mark_undef_symbols): New function.
10863         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10864         (Symbol_table::gc_mark_dyn_syms): New function.
10865         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10866         as garbage.
10867         (Symbol_table::add_from_object): Likewise.
10868         (Symbol_table::add_from_relobj): When building shared objects, do not
10869         treat externally visible symbols as garbage.
10870         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10871         table information for static and relocatable links.
10872         * symtab.h (Symbol_table::set_gc): New function.
10873         (Symbol_table::gc): New function.
10874         (Symbol_table::gc_mark_undef_symbols): New function.
10875         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10876         (Symbol_table::gc_mark_dyn_syms): New function.
10877         (Symbol_table::gc_): New data member.
10878         * target.h (Sized_target::gc_process_relocs): New pure virtual
10879         function.
10880         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10881         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10882
10883 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10884
10885         * options.h (General_options::gc_sections): Define as a no-op for now.
10886         (General_options::no_keep_memory): Ditto.
10887         (General_options::Bshareable): Define.
10888         * options.cc (General_options::finalize): Honor -Bshareable.
10889
10890 2009-01-20  Andreas Schwab  <schwab@suse.de>
10891
10892         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10893         read the value in the contents, since we don't use it.  Use the
10894         template endianness when writing.
10895         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10896
10897 2009-01-19  Andreas Schwab  <schwab@suse.de>
10898
10899         * configure.tgt (powerpc64-*): Fix targ_obj.
10900
10901 2009-01-15  Ian Lance Taylor  <iant@google.com>
10902
10903         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10904         local symbols when stripping all symbols.
10905
10906 2009-01-14  Cary Coutant  <ccoutant@google.com>
10907
10908         * output.cc (Output_reloc): Add explicit instantiations.
10909
10910 2009-01-14  Cary Coutant  <ccoutant@google.com>
10911
10912         * archive.cc (Archive::get_elf_object_for_member): Remove call
10913         to File_read::claim_for_plugin.
10914         * descriptors.cc (Descriptors::open): Remove reference to
10915         is_claimed.
10916         (Descriptors::claim_for_plugin): Remove.
10917         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10918         (Descriptors::is_claimed): Remove.
10919         (claim_descriptor_for_plugin): Remove.
10920         * fileread.cc (File_read::claim_for_plugin): Remove.
10921         * fileread.h (File_read::claim_for_plugin): Remove.
10922         (File_read::descriptor): Reopen descriptor if necessary.
10923         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10924         (Plugin_manager::all_symbols_read): Add task parameter. Change
10925         all callers.
10926         (Plugin_manager::get_input_file): New function.
10927         (Plugin_manager::release_input_file): New function.
10928         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10929         corresponding data member.
10930         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10931         and pass to base constructor. Change all callers.
10932         (get_input_file, release_input_file): New functions.
10933         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10934         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10935         (Plugin_manager::all_symbols_read): Add task parameter.
10936         (Plugin_manager::get_input_file): New function.
10937         (Plugin_manager::release_input_file): New function.
10938         (Plugin_manager::task_): New data member.
10939         (Pluginobj::Pluginobj): Add filesize parameter.
10940         (Pluginobj::filename): New function.
10941         (Pluginobj::descriptor): New function.
10942         (Pluginobj::filesize): New function.
10943         (Pluginobj::filesize_): New data member.
10944         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10945         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10946         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10947
10948         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10949         with archive libraries.
10950         * testsuite/Makefile.in: Regenerate.
10951         * testsuite/plugin_test.c (struct sym_info): New type.
10952         (get_input_file, release_input_file): New static variables.
10953         (onload): Capture new transfer vector entries.
10954         (claim_file_hook): Stop reading at end of file according to filesize.
10955         Factor out parsing of readelf output into separate function.
10956         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10957         APIs and get the source file name from the symbol table.  Convert
10958         source file name to corresponding object file name.  Print info
10959         message when adding new input files.
10960         (parse_readelf_line): New function.
10961         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10962         * testsuite/plugin_test_2.sh: Likewise.
10963         * testsuite/plugin_test_3.sh: Likewise.
10964         * testsuite/plugin_test_4.sh: New test case.
10965
10966 2009-01-07  Ian Lance Taylor  <iant@google.com>
10967
10968         * version.cc (version_string): Bump to 1.8.
10969
10970 2008-12-23  Cary Coutant  <ccoutant@google.com>
10971
10972         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10973         * plugin.cc (Plugin_manager::finish): Rename as
10974         layout_deferred_objects.  Move cleanup to separate function.
10975         (Plugin_manager::cleanup): New function.
10976         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10977         separately.
10978         * plugin.h (Plugin_manager::finish): Rename as
10979         layout_deferred_objects.
10980         (Plugin_manager::cleanup): New function.
10981         (Plugin_manager::cleanup_done): New field.
10982
10983 2008-12-23  Cary Coutant  <ccoutant@google.com>
10984
10985         * plugin.cc (is_visible_from_outside): New function.
10986         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10987         so we don't return "IR only" status for exported symbols or -r links.
10988
10989         * testsuite/Makefile.am (plugin_test_3): New test case.
10990         * testsuite/Makefile.in: Regenerate.
10991         * testsuite/plugin_test_3.sh: New file.
10992
10993 2008-12-22  Cary Coutant  <ccoutant@google.com>
10994
10995         * object.cc (Sized_relobj::layout_section): New function.
10996         (Sized_relobj::do_layout): Defer layout of input sections until after
10997         plugin has provided replacement files.
10998         (Sized_relobj::do_layout_deferred_sections): New function.
10999         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11000         (Relobj::layout_deferred_sections): New function.
11001         (Relobj::do_layout_deferred_sections): New function.
11002         (Sized_relobj::do_layout_deferred_sections): New function.
11003         (Sized_relobj::layout_section): New function.
11004         (Sized_relobj::Deferred_layout): New structure.
11005         (Sized_relobj::deferred_layout_): New field.
11006         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11007         Change all callers.  Layout deferred sections.
11008         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11009         references.
11010         (Plugin_hook::run): Move code from do_plugin_hook inline.
11011         (Plugin_hook::do_plugin_hook): Remove.
11012         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11013         (Plugin_manager::finish): Renamed, was cleanup.
11014         (Plugin_manager::should_defer_layout): New function.
11015         (Plugin_manager::add_deferred_layout_object): New function.
11016         (Plugin_manager::Deferred_layout_list): New type.
11017         (Plugin_manager::deferred_layout_objects_): New field.
11018         (Plugin_hook::do_plugin_hook): Remove.
11019
11020 2008-12-17  Ian Lance Taylor  <iant@google.com>
11021
11022         * options.h (class General_options): Add --no case for
11023         --export-dynamic.
11024
11025 2008-12-16  Cary Coutant  <ccoutant@google.com>
11026
11027         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11028         vector.
11029         (Plugin_manager::claim_file): Create plugin object even if
11030         plugin did not call the add_symbols callback.
11031         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11032         asking for more symbols than were added.
11033         * testsuite/Makefile.am (plugin_test_1): Add test case with
11034         no global symbols.
11035         (empty.syms): New target.
11036         * testsuite/Makefile.in: Regenerate.
11037         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11038         message. Don't call add_symbols if no globals.
11039         (all_symbols_read_hook): Don't provide replacement for empty
11040         claimed file.
11041
11042 2008-12-12  Ian Lance Taylor  <iant@google.com>
11043
11044         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11045         r_type == 0 for a local symbol with r_sym == 0.
11046         (scan_relocatable_relocs): Pass r_sym to
11047         local_non_section_strategy.
11048         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11049         r_sym parameter.
11050
11051         * configure.ac: Update test for TLS descriptors: they are
11052         supported as of glibc 2.9.
11053         * configure: Rebuild.
11054
11055 2008-12-11  Ian Lance Taylor  <iant@google.com>
11056
11057         PR 7091
11058         * target-reloc.h (Default_scan_relocatable_relocs): For each
11059         function, map r_type == 0 to RELOC_DISCARD.
11060
11061 2008-12-10  Cary Coutant  <ccoutant@google.com>
11062
11063         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11064         object to override a kept COMDAT group from a plugin object.
11065
11066 2008-12-09  Ian Lance Taylor  <iant@google.com>
11067
11068         PR 7088
11069         * yyscript.y (file_cmd): Handle INPUT.
11070
11071         * testsuite/initpri1.c: Change all declarations to be full
11072         prototypes by adding void, to avoid compiler warnings.
11073
11074 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11075
11076         * options.cc (General_options::parse_plugin_opt): New.
11077         (General_options::add_plugin): The argument now is just the filename.
11078         (General_options::add_plugin_option): New.
11079         * options.h (plugin_opt): New.
11080         (add_plugin): Change argument name.
11081         (add_plugin_option): New.
11082         * plugin.cc (Plugin::load): Don't parse the plugin option.
11083         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11084         (Plugin::add_option): New.
11085         (Plugin::args_): Change type.
11086         (Plugin::filename_): New.
11087         (Plugin_manager::add_plugin_option): New.
11088         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11089         * testsuite/Makefile.in: Regenerate.
11090
11091 2008-12-05  Cary Coutant  <ccoutant@google.com>
11092
11093         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11094         Handle --strip-lto-sections option.
11095         * options.h (strip_lto_sections): New option.
11096
11097 2008-12-01  Cary Coutant  <ccoutant@google.com>
11098
11099         * plugin.cc (ld_plugin_message): Change format parameter to const.
11100         Fix mismatch between new[] and delete.
11101
11102 2008-11-14  Cary Coutant  <ccoutant@google.com>
11103
11104         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11105         instead of -1U.
11106
11107 2008-11-05  Craig Silverstein  <csilvers@google.com>
11108
11109         * options.cc (General_options::parse_dynamic_list): New function.
11110         * options.h (General_options): New flags dynamic_list,
11111         dynamic_list_data, dynamic_list_cpp_new, and
11112         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11113         (General_options::in_dynamic_list): New function.
11114         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11115         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11116         (Lex::can_continue_name): Likewise.
11117         (yylex): Likewise.
11118         (read_script_file): New parameter script_options.
11119         (read_dynamic_list): New function.
11120         (Script_options::define_dynamic_list): New function.
11121         (dynamic_list_keyword_parsecodes): New variable.
11122         (dynamic_list_keywords): New variable.
11123         * script.h (Script_options::define_dynamic_list): New function
11124         prototype.
11125         (read_dynamic_list): New function prototype.
11126         * symtab.cc (strprefix): New macro.
11127         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11128         dynamic_list_data, dynamic_list_cpp_new, and
11129         dynamic_list_cpp_typeinfo.
11130         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11131         (dynamic_list_expr): New rule.
11132         (dynamic_list_nodes): Likewise.
11133         (dynamic_list_node): Likewise.
11134         * testsuite/Makefile.am (dynamic_list): New test.
11135         * testsuite/Makefile.in: Regenerated.
11136         * testsuite/dynamic_list.t: New file.
11137         * testsuite/dynamic_list.sh: New file.
11138
11139 2008-11-05  Craig Silverstein  <csilvers@google.com>
11140
11141         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11142         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11143         (t11_last): Likewise.
11144         * testsuite/ver_test_6.c (main): Likewise.
11145
11146 2008-10-07  Cary Coutant  <ccoutant@google.com>
11147
11148         * options.c (General_options::finalize): Add check for -static and
11149         -shared.
11150         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11151         is not empty.
11152
11153 2008-10-02  Cary Coutant  <ccoutant@google.com>
11154
11155         * plugin.cc (make_sized_plugin_object): Fix conditional
11156         compilation to work when not all targets are enabled.
11157
11158 2008-09-29  Cary Coutant  <ccoutant@google.com>
11159
11160         * archive.cc (Archive::get_file_and_offset): Use filename instead
11161         of name to get library path.
11162         (Archive::include_member): Unlock external member of a thin archive.
11163
11164         * testsuite/Makefile.am (TEST_AR): New variable.
11165         (thin_archive_test_1): New test.
11166         (thin_archive_test_2): New test.
11167         * testsuite/Makefile.in: Regenerate.
11168         * testsuite/thin_archive_main.cc: New file.
11169         * testsuite/thin_archive_test_1.cc: New file.
11170         * testsuite/thin_archive_test_2.cc: New file.
11171         * testsuite/thin_archive_test_3.cc: New file.
11172         * testsuite/thin_archive_test_4.cc: New file.
11173
11174 2008-09-29  Cary Coutant  <ccoutant@google.com>
11175
11176         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11177         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11178         instead of -1U.
11179         (Sized_relobj::do_finalize_local_symbols): Likewise.
11180         (Sized_relobj::map_to_kept_section): Likewise.
11181         * object.h (Sized_relobj::invalid_address): New constant.
11182         (Sized_relobj::do_output_section_offset): Check for invalid_address
11183         and return -1ULL.
11184         * output.cc (Output_reloc::local_section_offset): Use constant
11185         invalid_address instead of -1U.
11186         (Output_reloc::get_address): Likewise.
11187         (Output_section::output_address): Change -1U to -1ULL.
11188         * output.h (Output_reloc::invalid_address): New constant.
11189         * reloc.cc (Sized_relobj::write_sections): Use constant
11190         invalid_address instead of -1U.
11191         (Sized_relobj::relocate_sections): Likewise.
11192         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11193         values for merge sections.
11194         * target-reloc.h (relocate_for_relocatable): Use constant
11195         invalid_address instead of -1U.
11196
11197 2008-09-19  Cary Coutant  <ccoutant@google.com>
11198
11199         Add plugin functionality for link-time optimization (LTO).
11200         * configure.ac (plugins): Add --enable-plugins option.
11201         * configure: Regenerate.
11202         * config.in: Regenerate.
11203         * Makefile.am (LIBDL): New variable.
11204         (CCFILES): Add plugin.cc.
11205         (HFILES): Add plugin.h.
11206         (ldadd_var): Add LIBDL.
11207         * Makefile.in: Regenerate.
11208
11209         * archive.cc: Include "plugin.h".
11210         (Archive::setup): Don't preread archive symbols when using a plugin.
11211         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11212         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11213         files.
11214         (Archive::include_member): Add symbols from plugin objects.
11215         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11216         * descriptors.cc (Descriptors::open): Check for file descriptors
11217         abandoned by plugins.
11218         (Descriptors::claim_for_plugin): New function.
11219         * descriptors.h (Descriptors::claim_for_plugin): New function.
11220         (Open_descriptor::is_claimed): New field.
11221         (claim_descriptor_for_plugin): New function.
11222         * fileread.cc (File_read::claim_for_plugin): New function.
11223         * fileread.h (File_read::claim_for_plugin): New function.
11224         (File_read::descriptor): New function.
11225         * gold.cc: Include "plugin.h".
11226         (queue_initial_tasks): Add task to call plugin hooks for generating
11227         new object files.
11228         * main.cc: Include "plugin.h".
11229         (main): Load plugin libraries.
11230         * object.h (Pluginobj): Declare.
11231         (Object::pluginobj): New function.
11232         (Object::do_pluginobj): New function.
11233         (Object::set_target): New function.
11234         * options.cc: Include "plugin.h".
11235         (General_options::parse_plugin): New function.
11236         (General_options::General_options): Initialize plugins_ field.
11237         (General_options::add_plugin): New function.
11238         * options.h (Plugin_manager): Declare.
11239         (General_options): Add --plugin option.
11240         (General_options::has_plugins): New function.
11241         (General_options::plugins): New function.
11242         (General_options::add_plugin): New function.
11243         (General_options::plugins_): New field.
11244         * plugin.cc: New file.
11245         * plugin.h: New file.
11246         * readsyms.cc: Include "plugin.h".
11247         (Read_symbols::do_read_symbols): Check for archive before checking
11248         for ELF file.  Call plugin hooks to claim files.
11249         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11250         from a real object file; force override when processing replacement
11251         files.
11252         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11253         (Symbol::init_base_object): Likewise.
11254         (Symbol::init_base_output_data): Likewise.
11255         (Symbol::init_base_output_segment): Likewise.
11256         (Symbol::init_base_constant): Likewise.
11257         (Symbol::init_base_undefined): Likewise.
11258         (Symbol::output_section): Assert that object is not a plugin.
11259         (Symbol_table::add_from_pluginobj): New function.
11260         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11261         undefined.
11262         (Symbol_table::sized_write_globals): Likewise.
11263         (Symbol_table::add_from_pluginobj): Instantiate template.
11264         * symtab.h (Sized_pluginobj): Declare.
11265         (Symbol::in_real_elf): New function.
11266         (Symbol::set_in_real_elf): New function.
11267         (Symbol::in_real_elf_): New field.
11268         (Symbol_table::add_from_pluginobj): New function.
11269
11270         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11271         (LIBDL): New variable.
11272         (LDADD): Add LIBDL.
11273         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11274         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11275         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11276         (MOSTLYCLEANFILES): Likewise.
11277         * testsuite/Makefile.in: Regenerate.
11278         * testsuite/plugin_test.c: New file.
11279         * testsuite/plugin_test_1.sh: New file.
11280         * testsuite/plugin_test_2.sh: New file.
11281
11282 2008-09-16  Ian Lance Taylor  <iant@google.com>
11283
11284         * target-reloc.h (relocate_section): Check whether a symbol is
11285         defined by the ABI before reporting an undefined symbol error.
11286         * target.h (Target::is_defined_by_abi): Make parameter const.
11287         (Target::do_is_defined_by_abi): Likewise.
11288         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11289         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11290         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11291         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11292         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11293         * testsuite/Makefile.in: Rebuild.
11294
11295         * fileread.cc (make_view): Add casts to avoid warning.
11296
11297 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11298
11299         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11300         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11301
11302 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11303
11304         * options.h (General_options::output_is_executable): New.
11305         (General_options::output_is_pie): New.
11306         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11307         for shared libraries.
11308         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11309
11310 2008-09-11  Chris Demetriou  <cgd@google.com>
11311
11312         * options.h (origin): New -z option.
11313         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11314         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11315         in DT_FLAGS_1.
11316
11317 2008-09-05  Cary Coutant  <ccoutant@google.com>
11318
11319         * fileread.cc (File_read::make_view): Add check for attempt to map
11320         beyond end of file.
11321
11322 2008-09-05  Cary Coutant  <ccoutant@google.com>
11323
11324         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11325         explicit instantiations.
11326
11327 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11328
11329         PR gold/6858
11330         * options.cc (General_options::finalize): Allow undefined symbols
11331         in shlibs if linking -shared.
11332
11333         PR gold/6859
11334         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11335         symbols as not needing a dynsym entry.
11336
11337 2008-08-20  Craig Silverstein  <csilvers@google.com>
11338
11339         * fileread.cc (File_read::open): Do not lock the file unless it
11340         was successfully opened.
11341
11342 2008-08-14  Cary Coutant  <ccoutant@google.com>
11343
11344         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11345         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11346         * testsuite/tls_test.cc (struct int128): 128-bit struct
11347         for testing TLS relocs with non-zero addend.
11348         (v12): New TLS variable.
11349         (t12): New test.
11350         (t_last): Add check for v12.
11351         * testsuite/tls_test.h (t12): New function.
11352         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11353
11354 2008-08-13  Ian Lance Taylor  <iant@google.com>
11355
11356         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11357         set tls_segment_ or relro_segment_.
11358         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11359         when appropriate.
11360         * output.h (Output_section::clear_is_relro): New function.
11361         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11362         sections specially even when output_data_ is empty.
11363         (Output_segment::maximum_alignment): When first section is relro,
11364         only force alignment for PT_LOAD segments.
11365         * script.cc (script_data_segment_align): New function.
11366         (script_data_segment_relro_end): New function.
11367         * script-c.h (script_data_segment_align): Declare.
11368         (script_data_segment_relro_end): Declare.
11369         * script-sections.h (class Script_sections): Declare
11370         data_segment_align and data_segment_relro_end.  Add fields
11371         segment_align_index_ and saw_relro_end_.
11372         * script-sections.cc (class Sections_element): Add set_is_relro
11373         virtual function.  Add new bool* parameter to place_orphan_here.
11374         Add get_output_section virtual function.
11375         (class Output_section_definition): Add set_is_relro.  Add new
11376         bool* parameter to place_orphan_here.  Add get_output_section.
11377         Add is_relro_ field.
11378         (Output_section_definition::Output_section_definition): Initialize
11379         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11380         and is_relro_ fields.
11381         (Output_section_definition::place_orphan_here): Add is_relro
11382         parameter.
11383         (Output_section_definition::set_section_addresses): Set relro for
11384         output section.
11385         (Output_section_definition::alternate_constraint): Likewise.
11386         (class Orphan_output_section): Add new bool* parameter to
11387         place_orphan_here.  Add get_output_section.
11388         (Orphan_output_section::place_orphan_here): Add is_relro
11389         parameter.
11390         (Script_sections::Script_sections): Initialize
11391         data_segment_align_index_ and saw_relro_end_.
11392         (Script_sections::data_segment_align): New function.
11393         (Script_sections::data_segment_relro_end): New function.
11394         (Script_sections::place_orphan): Set or clear is_relro.
11395         (Script_sections::set_section_addresses): Force alignment of first
11396         TLS section.
11397         * yyscript.y (exp): Call script_data_segment_align and
11398         script_data_segment_relro_end.
11399         * testsuite/relro_script_test.t: New file.
11400         * testsuite/relro_test.cc (using_script): Declare.
11401         (t1, t2): Test using_script.
11402         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11403         (relro_script_test_SOURCES): Define.
11404         (relro_script_test_DEPENDENCIES): Define.
11405         (relro_script_test_LDFLAGS): Define.
11406         (relro_script_test_LDADD): Define.
11407         (relro_script_test.so): New target.
11408         * testsuite/Makefile.in: Rebuild.
11409
11410 2008-08-06  Cary Coutant <ccoutant@google.com>
11411
11412         * archive.cc (Archive::total_archives, Archive::total_members)
11413         (Archive::total_members_loaded): New variables.
11414         (Archive::setup): Add parameter.  Add option to preread
11415         archive symbols.
11416         (Archive::read_armap): Add counter.
11417         (Archive::get_file_and_offset): New function.
11418         (Archive::get_elf_object_for_member): New function.
11419         (Archive::read_all_symbols): New function.
11420         (Archive::read_symbols): New function.
11421         (Archive::add_symbols): Add counters.
11422         (Archive::include_all_members): Use armap to find members if it's
11423         already built.
11424         (Archive::include_member): Skip reading symbols if already read.
11425         Factored code into Archive::get_file_and_offset and
11426         Archive::get_elf_object_for_member.  Changed call to
11427         Mapfile::report_include_archive_member.
11428         (Archive::print_stats): New function.
11429         * archive.h: Declare Object and Read_symbols_data classes.
11430         (Archive::Archive): Add initializers for new members.
11431         (Archive::setup): Add parameter.
11432         (Archive::print_stats): New function.
11433         (Archive::total_archives, Archive::total_members)
11434         (Archive::total_members_loaded): New variables.
11435         (Archive::get_file_and_offset): New function.
11436         (Archive::get_elf_object_for_member): New function.
11437         (Archive::read_all_symbols): New function.
11438         (Archive::read_symbols): New function.
11439         (Archive::Archive_member): New class.
11440         (Archive::members_): New member.
11441         (Archive::num_members_): New member.
11442         * main.cc: Include archive.h.
11443         (main): Call Archive::print_stats.
11444         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11445         archive parameter; member_name is now the fully-decorated name.
11446         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11447         * options.h: (General_options): Add --preread-archive-symbols option.
11448         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11449         Archive::setup.
11450
11451 2008-08-04  Ian Lance Taylor  <iant@google.com>
11452
11453         * symtab.h (Symbol::use_plt_offset): New function.
11454         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11455         * powerpc.cc (Relocate::relocate): Likewise.
11456         * sparc.cc (Relocate::relocate): Likewise.
11457         * x86_64.cc (Relocate::relocate): Likewise.
11458         * testsuite/weak_plt.sh: New test.
11459         * testsuite/weak_plt_main.cc: New test.
11460         * testsuite/weak_plt_shared.cc: New test.
11461         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11462         (check_PROGRAMS): Add weak_plt.
11463         (check_DATA): Add weak_plt_shared.so.
11464         (weak_plt_main_pic.o, weak_plt): New targets.
11465         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11466         * testsuite/Makefile.in: Rebuild.
11467
11468         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11469         gcctestdir/ld.
11470         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11471         * testsuite/Makefile.in: Rebuild.
11472
11473 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11474
11475         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11476         * Makefile.in: Regenerate.
11477         * po/POTFILES.in: Regenerate.
11478
11479 2008-07-29  Ian Lance Taylor  <iant@google.com>
11480
11481         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11482         symbols before other symbols.
11483         * testsuite/script_test_2.cc (test_addr): Declare.
11484         (test_addr_alias): Declare.
11485         (main): Check that test_addr and test_addr_alias have the right
11486         values.
11487         * testsuite/script_test_2.t: Define test_addr_alias and
11488         test_addr.
11489
11490 2008-07-24  Ian Lance Taylor  <iant@google.com>
11491
11492         PR 5990
11493         * descriptors.cc: New file.
11494         * descriptors.h: New file.
11495         * gold-threads.h (class Hold_optional_lock): New class.
11496         * fileread.cc: Include "descriptors.h".
11497         (File_read::~File_read): Release descriptor rather than closing
11498         it.
11499         (File_read::open) [file]: Call open_descriptor rather than open.
11500         Set is_descriptor_opened_.
11501         (File_read::open) [memory]: Assert that descriptor is not open.
11502         (File_read::reopen_descriptor): New function.
11503         (File_read::release): Release descriptor.
11504         (File_read::do_read): Make non-const.  Reopen descriptor.
11505         (File_read::read): Make non-const.
11506         (File_read::make_view): Reopen descriptor.
11507         (File_read::do_readv): Likewise.
11508         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11509         Update declarations.
11510         * layout.cc: Include "descriptors.h".
11511         (Layout::create_build_id): Use open_descriptor rather than open.
11512         * output.cc: Include "descriptors.h".
11513         (Output_file::open): Use open_descriptor rather than open.
11514         * archive.cc (Archive::const_iterator): Change Archive to be
11515         non-const.
11516         (Archive::begin, Archive::end): Make non-const.
11517         (Archive::count_members): Likewise.
11518         * archive.h (class Archive): Update declarations.
11519         * object.h (Object::read): Make non-const.
11520         * Makefile.am (CCFILES): Add descriptors.cc.
11521         (HFILES): Add descriptors.h.
11522         * Makefile.in: Rebuild.
11523
11524         PR 6716
11525         * gold.h: Always include <clocale>.  Add Solaris workarounds
11526         following code in binutils/sysdep.h.
11527
11528         PR 6048
11529         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11530         this->eh_frame_hdr_ is NULL before using it.
11531
11532         * dynobj.cc (Versions::Versions): Update comment.
11533
11534         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11535         the base version name.
11536
11537         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11538         array size plus one.
11539         (Stringpool_template::set_string_offsets): Subtract one from key
11540         before using it as an array index.
11541         (Stringpool_template::get_offset_with_length): Likewise.
11542         (Stringpool_template::write_to_buffer): Likewise.
11543         * stringpool.h (Stringpool_template::get_offset_from_key):
11544         Likewise.
11545
11546 2008-07-23  Ian Lance Taylor  <iant@google.com>
11547
11548         PR 6658
11549         * object.h (Merged_symbol_value::value): Do our best to handle a
11550         negative addend.
11551
11552         PR 6647
11553         * script.cc (Version_script_info::get_versions): Don't add empty
11554         version tag to return value.
11555         (Version_script_info::get_symbol_version_helper): Change return
11556         type to bool.  Add pversion parameter.  Change all callers.
11557         (script_register_vers_node): Don't require a non-NULL tag.
11558         * script.h (class Version_script_info): Update declarations.
11559         (Version_script_info::get_symbol_version): Change return type to
11560         bool.  Add version parameter.  Change all callers.
11561         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11562         handling.  Handle an empty version from a version script.
11563         (Symbol_table::define_special_symbol): Likewise.
11564         * testsuite/ver_test_10.script: New file.
11565         * testsuite/ver_test_10.sh: New file.
11566         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11567         (check_DATA): Add ver_test_10.syms.
11568         (ver_test_10.syms, ver_test_10.so): New target.
11569         * testsuite/Makefile.in: Rebuild.
11570
11571 2008-07-23  Simon Baldwin  <simonb@google.com>
11572
11573         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11574         to zero for undefined symbols from dynamic libraries.
11575
11576 2008-07-23  Ian Lance Taylor  <iant@google.com>
11577
11578         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11579         Change all callers.
11580         * symtab.h (class Symbol_table): Update declaration.
11581         * testsuite/ver_test_9.cc: New file.
11582         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11583         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11584         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11585         (ver_test_9.so, ver_test_9.o): New targets.
11586         * testsuite/Makefile.in: Rebuild.
11587
11588 2008-07-22  Ian Lance Taylor  <iant@google.com>
11589
11590         * options.h (class General_options): Define --check-sections.
11591         * layout.cc (Layout::set_segment_offsets): Handle
11592         --check-sections.
11593
11594         * options.h (class General_options): Define -n/--nmagic and
11595         -N/--omagic.
11596         * options.cc (General_options::finalize): For -n/--nmagic or
11597         -N/--omagic, set -static.
11598         * layout.cc (Layout::attach_allocated_section_to_segment): If
11599         -N/--omagic, don't put read-only and read-write sections in
11600         different segments.
11601         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11602         finding a read-only segment.
11603         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11604         don't set the minimum segment alignment to the common page size,
11605         and don't set the file offset to the address modulo the page size.
11606         * script-sections.cc (Script_sections::create_segments): If
11607         -n/--omagic, don't put read-only and read-write sections in
11608         different segments.
11609
11610         * cref.cc: New file.
11611         * cref.h: New file.
11612         * options.h (class General_options): Add --print-symbol-counts.
11613         * main.cc (main): Issue defined symbol report if requested.
11614         * archive.cc (Archive::interpret_header): Make into a const member
11615         function.
11616         (Archive::add_symbols): Call Input_objects::archive_start and
11617         archive_stop.
11618         (Archive::const_iterator): Define new class.
11619         (Archive::begin, Archive::end): New functions.
11620         (Archive::include_all_members): Rewrite to use iterator.
11621         (Archive::count_members): New function.
11622         * archive.h (class Archive): Update declarations.
11623         (Archive::filename): New function.
11624         * object.cc: Include "cref.h".
11625         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11626         (Sized_relobj::do_get_global_symbol_counts): New function.
11627         (Input_objects::add_object): Add object to cross-referencer.
11628         (Input_objects::archive_start): New function.
11629         (Input_objects::archive_stop): New function.
11630         (Input_objects::print_symbol_counts): New function.
11631         * object.h: Declare Cref and Archive.
11632         (Object::get_global_symbol_counts): New function.
11633         (Object::do_get_global_symbol_counts): New pure virtual function.
11634         (class Sized_relobj): Add defined_count_ field.  Update
11635         declarations.
11636         (class Input_objects): Add cref_ field.  Update constructor.
11637         Update declarations.
11638         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11639         defined_count_.
11640         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11641         symbol counts.
11642         (Sized_dynobj::do_get_global_symbol_counts): New function.
11643         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11644         defined_count_.  Update declarations.  Define Symbols typedef.
11645         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11646         parameter.  Change all callers.
11647         (Symbol_table::add_from_dynobj): Add sympointers and defined
11648         parameters.  Change all callers.
11649         * symtab.h (class Symbol_table): Update declarations.
11650         * Makefile.am (CCFILES): Add cref.cc.
11651         (HFILES): Add cref.h.
11652         * Makefile.in: Rebuild.
11653
11654 2008-07-22  Simon Baldwin  <simonb@google.com>
11655
11656         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11657         to zero when writing undefined symbols.
11658
11659 2008-07-22  Ian Lance Taylor  <iant@google.com>
11660
11661         * output.cc (Output_section::add_input_section): Don't try to
11662         merge empty merge sections.
11663
11664 2008-07-21  Craig Silverstein  <csilvers@google.com>
11665
11666         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11667         Include symbol version in error message.
11668
11669 2008-07-20  Chris Demetriou  <cgd@google.com>
11670
11671         * configure.ac (gold_cv_c_random_seed): New configured variable.
11672         (RANDOM_SEED_CFLAGS): New substituted variable.
11673         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11674         * configure: Rebuild.
11675         * Makefile.in: Likewise.
11676         * testsuite/Makefile.in: Likewise.
11677
11678 2008-07-18  Ian Lance Taylor  <iant@google.com>
11679
11680         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11681         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11682         * testsuite/ver_test_main.cc (main): Call t4.
11683         (t4, t4_2a): Define.
11684         * testsuite/ver_test_2.cc (t4_2): Define.
11685         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11686         * testsuite/ver_test_4.cc (t4_2a): Define.
11687         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11688         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11689
11690 2008-07-17  Ian Lance Taylor  <iant@google.com>
11691
11692         * dynobj.cc (Versions::add_def): If we give an error about a
11693         missing version, go ahead and create the version anyhow.
11694
11695 2008-07-10  Ian Lance Taylor  <iant@google.com>
11696
11697         Handle output sections with more than 0x7fffffff bytes.
11698         * object.h (class Relobj): Change map_to_output_ to
11699         output_sections_, and just keep a section pointer.  Change all
11700         uses.  Move comdat group support to Sized_relobj.
11701         (Relobj::is_section_specially_mapped): Remove.
11702         (Relobj::output_section): Remove poff parameter.  Change all
11703         callers.
11704         (Relobj::output_section_offset): New function.
11705         (Relobj::set_section_offset): Rewrite.
11706         (Relobj::map_to_output): Remove.
11707         (Relobj::output_sections): New function.
11708         (Relobj::do_output_section_offset): New pure virtual function.
11709         (Relobj::do_set_section_offset): Likewise.
11710         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11711         group support from Relobj.  Update declarations.
11712         (Sized_relobj::get_output_section_offset): New function.
11713         (Sized_relobj::do_output_section_offset): New function.
11714         (Sized_relobj::do_set_section_offset): New function.
11715         * object.cc (Relobj::output_section_address): Remove.
11716         (Sized_relobj::Sized_relobj): Initialize new fields.
11717         (Sized_relobj::include_section_group): Cast find_kept_object to
11718         Sized_relobj.
11719         (Sized_relobj::include_linkonce_section): Likewise.
11720         (Sized_relobj::do_layout): Use separate arrays for output section
11721         and output offset.
11722         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11723         output_sections.
11724         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11725         output_sections and section_offsets.
11726         (Sized_relobj::write_local_symbols): Likewise.
11727         (map_to_kept_section): Compute output address directly.
11728         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11729         output_sections and section_offsets.
11730         (Sized_relobj::write_sections): Likewise.
11731         (Sized_relobj::relocate_sections): Likewise.
11732         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11733         * output.h (class Output_reloc): Update declarations.  Change
11734         u2_.relobj to Sized_relobj*.
11735         (class Output_data_reloc): Change add functions to use
11736         Sized_relobj*.
11737         * output.cc (Output_reloc::Output_reloc): Change relobj to
11738         Sized_relobj*.
11739         (Output_reloc::local_section_offset): Change return type to
11740         Elf_Addr.  Use get_output_section_offset.
11741         (Output_reloc::get_address): Likewise.
11742         (Output_section::is_input_address_mapped): Don't call
11743         is_section_specially_mapped.
11744         (Output_section::output_offset): Likewise.
11745         (Output_section::output_address): Likewise.
11746         (Output_section::starting_output_address): Likewise.
11747         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11748         parameter to Sized_relobj*.
11749         (Copy_relocs::need_copy_reloc): Likewise.
11750         (Copy_relocs::save): Likewise.
11751         * copy-relocs.h (class Copy_relocs): Update declarations.
11752         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11753         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11754         * target-reloc.h (relocate_for_relocatable): Change
11755         offset_in_output_section type to Elf_Addr.  Change code that uses
11756         it as well.
11757         * layout.cc (Layout::layout): Always set *off.
11758         * mapfile.cc (Mapfile::print_input_section): Use
11759         output_section_offset.
11760         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11761         Sized_relobj*.
11762         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11763         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11764         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11765
11766 2008-07-03  Ian Lance Taylor  <iant@google.com>
11767
11768         * layout.cc (Layout::include_section): Do not discard unrecognized
11769         SHT_STRTAB sections.
11770
11771 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11772
11773         * script.cc (Lex::can_continue_name): Make '?' allowable in
11774         version-script names.
11775         * testsuite/version_script.map: Change glob pattern to use '?'
11776
11777 2008-06-30  Manish Singh  <yosh@gimp.org>
11778
11779         PR 6585
11780         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11781         Correct typo.
11782
11783 2008-06-30  Ian Lance Taylor  <iant@google.com>
11784
11785         PR 6660
11786         PR 6682
11787         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11788         versions]: Don't try to read the value in the contents, since we
11789         don't use it.  Use the template endianness when writing.
11790
11791 2008-06-25  Cary Coutant  <ccoutant@google.com>
11792
11793         * fileread.cc (File_read::make_view): Assert on zero-length view.
11794         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11795         symbol table when there are no symbols to read.
11796
11797 2008-06-23  Craig Silverstein  <csilvers@google.com>
11798
11799         * version.cc (version_string): Bump to 1.7
11800
11801 2008-06-18  Craig Silverstein  <csilvers@google.com>
11802
11803         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11804         constant 0xFFFF to type Valtype.
11805         (Powerpc_relocate_functions::rel16_ha): Likewise.
11806
11807 2008-06-17  Ian Lance Taylor  <iant@google.com>
11808
11809         * output.h (Output_section::Input_section): Initialize p2align_ to
11810         zero for Output_section_data constructors.
11811         (Output_section::Input_section::addralign): If not an input
11812         section, return the alignment of the Output_section_data.
11813         * testsuite/copy_test.cc: New file.
11814         * testsuite/copy_test_1.cc: New file.
11815         * testsuite/copy_test_2.cc: New file.
11816         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11817         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11818         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11819         (copy_test_1_pic.o, copy_test_1.so): New targets.
11820         (copy_test_2_pic.o, copy_test_2.so): New targets.
11821         * testsuite/Makefile.in: Rebuild.
11822
11823         * script-sections.cc (Script_sections::place_orphan): Initialize
11824         local variable exact.
11825
11826 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11827
11828         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11829
11830 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11831             David S. Miller  <davem@davemloft.net>
11832
11833         * powerpc.cc: New file.
11834         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11835         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11836         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11837         * Makefile.in: Rebuild.
11838
11839 2008-06-09  Ian Lance Taylor  <iant@google.com>
11840
11841         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11842         <exception>.
11843         (throwing, orig_terminate): New static variables.
11844         (terminate_handler): New static function.
11845         (t2): Set terminate handler.
11846
11847 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11848
11849         PR 6584
11850         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11851         alignment.
11852
11853 2008-05-30  Cary Coutant  <ccoutant@google.com>
11854
11855         * archive.cc (Archive::include_all_members) Correct to step
11856         over symbol table and extended name table in thin archives.
11857
11858 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11859
11860         PR 6407
11861         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11862         calculation.
11863
11864 2008-05-28  Caleb Howe  <cshowe@google.com>
11865
11866         * reduced_debug_output.cc: New file.
11867         * reduced_debug_output.h: New file.
11868         * options.h (class General_options): Add --strip-debug-non-line.
11869         * options.cc (General_options::finalize): Add strip_debug_non_line
11870         to the strip heirarchy.
11871         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11872         fields.
11873         * layout.cc: Include "reduced_debug_output.h".
11874         (Layout::Layout): Initialize new fields.
11875         (line_only_debug_sections): New static array.
11876         (is_lines_only_debug_sections): New static inline function.
11877         (Layout::include_section): Handle --strip-debug-non-line.
11878         (Layout::make_output_section): If --strip-debug-non-line, build
11879         new output sections for .debug_abbrev and .debug_info.
11880         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11881         gold.  Warn about possible overflow.
11882         (read_signed_LEB_128): Likewise.
11883         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11884         (read_signed_LEB_128): Declare.
11885         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11886         (HFILES): Add reduced_debug_output.h.
11887         * Makefile.in: Rebuild.
11888
11889 2008-05-21  Ian Lance Taylor  <iant@google.com>
11890
11891         * mapfile.cc: New file.
11892         * mapfile.h: New file.
11893         * options.h (class General_options): Add -M/--print-map and -Map.
11894         * options.cc (General_options::finalize): Make -M equivalent to
11895         -Map -.
11896         * main.cc: Include <cstdio> and "mapfile.h".
11897         (main): Open mapfile if requested.
11898         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11899         constructor.  Change caller.
11900         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11901         (queue_middle_tasks): Likewise.
11902         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11903         declarations.
11904         * archive.cc: Include "mapfile.h".
11905         (Archive::add_symbols): Add mapfile parameter.  Change all
11906         callers.  Pass mapfile, symbol, and reason to include_member.
11907         (Archive::include_all_members): Add mapfile parameter.  Change all
11908         callers.
11909         (Archive::include_member): Add mapfile, sym, and why parameters.
11910         Change all callers.  Report inclusion to map file.
11911         * archive.h: Include "fileread.h".
11912         (class Archive): Update declarations.
11913         (Archive::file): New const method.
11914         (class Add_archive_symbols): Add mapfile_ field.  Update
11915         constructor.  Change all callers.
11916         * readsyms.h (class Read_symbols): Likewise.
11917         (class Finish_group): Likewise.
11918         (class Read_script): Likewise.
11919         * common.cc: Include "mapfile.h".
11920         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11921         all callers.
11922         (Symbol_table::do_allocate_commons): Likewise.
11923         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11924         symbol allocation to mapfile.
11925         * common.h (class Allocate_commons_task): Add mapfile_ field.
11926         Update constructor.  Change all callers.
11927         * symtab.h (class Symbol_table): Update declarations.
11928         * layout.cc: Include "mapfile.h".
11929         (Layout_task_runner::run): Print information to mapfile.
11930         (Layout::create_gold_note): Change Output_data_fixed_space to
11931         Output_data_zero_fill.
11932         (Layout::create_build_id): Likewise.
11933         (Layout::print_to_mapfile): New function.
11934         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11935         constructor.  Change caller.
11936         (class Layout): Declare print_to_mapfile.
11937         * output.cc (Output_section::Input_section::print_to_mapfile): New
11938         function.
11939         (Output_section::add_input_section): If producing a map, always
11940         add to input_sections_ list.
11941         (Output_section::do_print_to_mapfile): New function.
11942         (Output_segment::print_sections_to_mapfile): New function.
11943         (Output_segment::print_section_list_to_mapfile): New function.
11944         * output.h: Include "mapfile.h".
11945         (Output_data::print_to_mapfile): New function.
11946         (Output_data::do_print_to_mapfile): New virtual function.
11947         (Output_segment_headers::do_print_to_mapfile): New function.
11948         (Output_file_header::do_print_to_mapfile): New function.
11949         (Output_data_const::do_print_to_mapfile): New function.
11950         (class Output_data_const_buffer): Add map_name_ field.  Update
11951         constructor.  Change all callers.  Add do_print_to_mapfile
11952         function.
11953         (class Output_data_fixed_space): Likewise.
11954         (class Output_data_space): Likewise.
11955         (class Output_data_zero_fill): New class.
11956         (Output_data_strtab::do_print_to_mapfile): New function.
11957         (Output_data_reloc_base::do_print_to_mapfile): New function.
11958         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11959         (Output_data_group::do_print_to_mapfile): New function.
11960         (Output_data_got::do_print_to_mapfile): New function.
11961         (Output_data_dynamic::do_print_to_mapfile): New function.
11962         (Output_symtab_xindex::do_print_to_mapfile): New function.
11963         (class Output_section): Declare do_print_to_mapflie.  Declare
11964         print_to_mapfile in Input_section.
11965         (class Output_segment): Declare new functions.
11966         * object.h (Sized_relobj::symbol_count): New function.
11967         * script-sections.cc
11968         (Output_section_element_dot_assignment::set_section_addresses):
11969         Change Output_data_fixed_space to Output_data_zero_fill.
11970         (Output_data_expression::do_print_to_mapfile): New function.
11971         * script.cc (read_input_script): Add mapfile parameter.  Change
11972         all callers.
11973         * script.h (read_input_script): Update declaration.
11974         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11975         (Eh_frame::do_print_to_mapfile): New function.
11976         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11977         (Output_merge_string::do_print_to_mapfile): New function.
11978         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11979         function.
11980         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11981         function.
11982         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11983         function.
11984         * Makefile.am (CCFILES): Add mapfile.cc.
11985         (HFILES): Add mapfile.h.
11986         * Makefile.in: Rebuild.
11987
11988 2008-05-19  Ian Lance Taylor  <iant@google.com>
11989
11990         * options.h (class General_options): Add -z relro.
11991         * layout.cc (Layout::Layout): Initialize relro_segment_.
11992         (Layout::add_output_section_data): Return the output section.
11993         (Layout::make_output_section): Rcognize relro sections and mark
11994         them appropriately.
11995         (Layout::attach_allocated_section_to_segment): Put relro sections
11996         in a PT_GNU_RELRO segment.
11997         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11998         section as relro.
11999         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12000         PT_TLS segments.
12001         (Layout::linkonce_mapping): Map d.rel.ro.local to
12002         .data.rel.ro.local.
12003         (Layout::output_section_name): Us .data.rel.ro.local for any
12004         section which begins with that.
12005         * layout.h (class Layout): Update add_output_section_data
12006         declaration.  Add relro_segment_ field.
12007         * output.cc (Output_section::Output_section): Initialize is_relro_
12008         and is_relro_local_ fields.
12009         (Output_segment::add_output_section): Group relro sections.
12010         (Output_segment::is_first_section_relro): New function.
12011         (Output_segment::maximum_alignment): If there is a relro section,
12012         align the segment to the common page size.
12013         (Output_segment::set_section_addresses): Track whether we are
12014         looking at relro sections.  If the last section is a relro
12015         section, align to the common page size.
12016         (Output_segment::set_section_list_addresses): Add in_relro
12017         parameter.  Change all callers.  Align to the page size when
12018         moving from relro to non-relro section.
12019         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12020         segment.
12021         * output.h (class Output_section): Add is_relro_ and
12022         is_relro_local_ fields.
12023         (Output_section::is_relro): New function.
12024         (Output_section::set_is_relro): New function.
12025         (Output_section::is_relro_local): New function.
12026         (Output_section::set_is_relro_local): New function.
12027         (class Output_segment): Update declarations.
12028         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12029         * sparc.cc (Target_sparc::got_section): Likewise.
12030         * x86_64.cc (Target_x86_64::got_section): Likewise.
12031         * testsuite/relro_test_main.cc: New file.
12032         * testsuite/relro_test.cc: New file.
12033         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12034         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12035         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12036         (relro_test.so, relro_test_pic.o): New targets.
12037         * testsuite/Makefile.in: Rebuild.
12038
12039 2008-05-16  Ian Lance Taylor  <iant@google.com>
12040
12041         * output.cc (Output_segment::add_output_section): Remove front
12042         parameter.
12043         * output.h (class Output_segment): Remove
12044         add_initial_output_section and overloaded add_output_section.
12045         Update declaration of remaining add_output_section.
12046         * layout.cc (Layout::create_interp): Call add_output_section
12047         rather than add_initial_output_section.
12048         (Layout::finish_dynamic_section): Likewise.
12049
12050         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12051         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12052         know the dynamic type.
12053         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12054         field.  Initialize it in constructor.
12055         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12056         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12057         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12058         reloc.
12059
12060         * output.cc (Output_reloc::get_address): Change return type to
12061         Elf_Addr.
12062         * output.h (class Output_reloc): Update get_address declaration.
12063         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12064         for section addresses.
12065
12066 2008-05-09  Ian Lance Taylor  <iant@google.com>
12067
12068         PR 6493
12069         * gold.cc (gold_nomem): Use return value of write.
12070
12071 2008-05-08  Ian Lance Taylor  <iant@google.com>
12072
12073         * symtab.c (Symbol::init_base_output_data): Add version
12074         parameter.  Change all callers.
12075         (Symbol::init_base_output_segment): Likewise.
12076         (Symbol::init_base_constant): Likewise.
12077         (Symbol::init_base_undefined): Likewise.
12078         (Sized_symbol::init_output_data): Likewise.
12079         (Sized_symbol::init_output_segment): Likewise.
12080         (Sized_symbol::init_constant): Likewise.
12081         (Sized_symbol::init_undefined): Likewise.
12082         (Symbol_table::do_define_in_output_data): If the new symbol has a
12083         version, mark it as the default.
12084         (Symbol_table::do_define_in_output_segment): Likewise.
12085         (Symbol_table::do_define_as_constant): Likewise.
12086         * symtab.h (class Symbol): Update declarations.
12087         (class Sized_symbol): Likewise.
12088         * resolve.cc (Symbol::override_version): New function.
12089         (Symbol::override_base): Call override_version.
12090         (Symbol::override_base_with_special): Likewise.
12091         * testsuite/ver_script_8.script: New file.
12092         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12093         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12094         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12095         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12096
12097 2008-05-06  Ian Lance Taylor  <iant@google.com>
12098
12099         PR 6049
12100         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12101         functions.
12102         (class General_options): Remove existing --undefined, and add
12103         --no-undefined instead.  Add new --undefined as synonym for -u.
12104         * archive.cc (Archive::add_symbols): Check whether symbol was
12105         named with -u.
12106         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12107         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12108         all uses.  Add IS_UNDEFINED.  Update declarations to split
12109         different versions of init_base.  Declare init_base_undefined.
12110         (Symbol::is_defined): Handle IS_UNDEFINED.
12111         (Symbol::is_undefined): Likewise.
12112         (Symbol::is_weak_undefined): Call is_undefined.
12113         (Symbol::is_absolute): Handle IS_CONSTANT.
12114         (class Sized_symbol): Update declarations to split different
12115         versions of init.  Declare init_undefined.
12116         (class Symbol_table): Declare new functions.
12117         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12118         Change all callers.
12119         (Symbol::init_base_output_data): Likewise.
12120         (Symbol::init_base_output_segment): Likewise.
12121         (Symbol::init_base_constant): Likewise.
12122         (Symbol::init_base_undefined): New function.
12123         (Sized_symbol::init_object): Rename from init.  Change all
12124         callers.
12125         (Sized_symbol::init_output_data): Likewise.
12126         (Sized_symbol::init_output_segment): Likewise.
12127         (Sized_symbol::init_constant): Likewise.
12128         (Sized_symbol::init_undefined): New function.
12129         (Symbol_table::add_undefined_symbols_from_command_line): New
12130         function.
12131         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12132         function.
12133         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12134         (Symbol::output_section): Likewise.
12135         (Symbol::set_output_section): Likewise.
12136         (Symbol_table::sized_finalize_symbol): Likewise.
12137         (Symbol_table::sized_write_globals): Likewise.
12138         * resolve.cc (Symbol_table::should_override): Likewise.
12139         (Symbol::override_base_with_special): Likewise.
12140
12141         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12142         symbol, change it to have default visibility.
12143         * testsuite/protected_1.cc: New file.
12144         * testsuite/protected_2.cc: New file.
12145         * testsuite/protected_3.cc: New file.
12146         * testsuite/protected_main_1.cc: New file.
12147         * testsuite/protected_main_2.cc: New file.
12148         * testsuite/protected_main_3.cc: New file.
12149         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12150         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12151         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12152         (protected_1.so): New target.
12153         (protected_1_pic.o, protected_2_pic.o): New targets.
12154         (protected_3_pic.o): New target.
12155         (check_PROGRAMS): Add protected_2.
12156         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12157         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12158         * testsuite/Makefile.in: Rebuild.
12159
12160         * options.h (DEFINE_var): Add set_user_set_##varname__.
12161         (DEFINE_bool_alias): New macro.
12162         (class General_options): Define -Bstatic using DEFINE_bool_alias
12163         rather than DEFINE_special.  Add --undefined as an alias for -z
12164         defs.
12165         * options.cc (General_options::parse_Bstatic): Remove.
12166
12167         * options.h (class General_options): Add --fatal-warnings.
12168         * main.cc (main): Implement --fatal-warnings.
12169         * errors.h (Errors::warning_count): New function.
12170
12171         * options.h (class General_options): Add -Bsymbolic-functions.
12172         * symtab.h (Symbol::is_preemptible): Check for
12173         -Bsymbolic-functions.
12174
12175 2008-05-05  Ian Lance Taylor  <iant@google.com>
12176
12177         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12178         as noVARNAME rather than no-VARNAME.
12179         (class General_options): Add option -z combreloc.
12180         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12181         get_address.
12182         (Output_reloc::sort_before) [SHT_REL]: New function.
12183         (Output_reloc::sort_before) [SHT_RELA]: New function.
12184         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12185         Sort_relocs_comparison.
12186         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12187         parameter.  Change all callers.
12188         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12189         sort_relocs parameter.  Change all callers.
12190         * output.cc (Output_reloc::get_address): New function, broken out
12191         of write_rel.
12192         (Output_reloc::write_rel): Call it.
12193         (Output_reloc::compare): New function.
12194         (Output_data_reloc_base::do_write): Optionally sort relocs.
12195
12196         * configure.ac: If targ_extra_obj is set, link it in.
12197         * configure.tgt: Initialize all variables.
12198         (x86_64*): Set targ_extra_obj and targ_extra_size.
12199         * configure: Rebuild.
12200
12201         * object.cc (Sized_relobj::include_section_group): Adjust section
12202         indexes read from group data.  Build vector to pass to
12203         layout_group.
12204         * layout.cc (Layout::layout_group): Add flags and shndxes
12205         parameters.  Remove contents parameter.  Change caller.  Update
12206         explicit instantiations.
12207         * layout.h (class Layout): Update layout_group declaration.
12208         * output.cc (Output_data_group::Output_data_group): Add flags and
12209         input_shndxes parameters.  Remove contents parameter.  Change
12210         caller.
12211         (Output_data_group::do_write): Change input_sections_ to
12212         input_shndxes_.
12213         * output.h (class Output_data_group): Update constructor
12214         declaration.  Rename input_sections_ to input_shndxes_.
12215         * testsuite/many_sections_test.cc: Add template.
12216
12217 2008-04-30  Cary Coutant  <ccoutant@google.com>
12218
12219         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12220
12221         * layout.cc (Layout::include_section): Refactored check for debug
12222         info section.
12223         (Layout::add_comdat): Add new parameters.  Change type
12224         of signature parameter.  Add object and shndx to signatures table.
12225         (Layout::find_kept_object): New function.
12226         * layout.h: Include <cstring>.
12227         (Layout::is_debug_info_section): New function.
12228         (Layout::add_comdat): Add new parameters.
12229         (Layout::find_kept_object): New function.
12230         (Layout::Kept_section): New struct.
12231         (Layout::Signatures): Change type of map range.
12232         * object.cc (Relobj::output_section_address): New function.
12233         (Sized_relobj::include_section_group): Add new parameters.  Change
12234         calls to Layout::add_comdat.  Change to build table of kept comdat
12235         groups and table mapping discarded sections to kept sections.
12236         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12237         (Sized_relobj::do_layout): Change calls to include_section_group and
12238         include_linkonce_section.
12239         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12240         value to zero when section is discarded.
12241         (Sized_relobj::map_to_kept_section): New function.
12242         * object.h (Relobj::output_section_address): New function.
12243         (Relobj::Comdat_group): New type.
12244         (Relobj::find_comdat_group): New function.
12245         (Relobj::Comdat_group_table): New type.
12246         (Relobj::Kept_comdat_section): New type.
12247         (Relobj::Kept_comdat_section_table): New type.
12248         (Relobj::add_comdat_group): New function.
12249         (Relobj::set_kept_comdat_section): New function.
12250         (Relobj::get_kept_comdat_section): New function.
12251         (Relobj::comdat_groups_): New field.
12252         (Relobj::kept_comdat_sections_): New field.
12253         (Symbol_value::input_value): Update comment.
12254         (Sized_relobj::map_to_kept_section) New function.
12255         (Sized_relobj::include_linkonce_section): Add new parameter.
12256         * target-reloc.h (Comdat_behavior): New type.
12257         (get_comdat_behavior): New function.
12258         (relocate_section): Add code to map a discarded section to the
12259         corresponding kept section when applying a relocation.
12260
12261 2008-04-30  Craig Silverstein  <csilvers@google.com>
12262
12263         * dwarf_reader.cc (next_generation_count): New static var.
12264         (Addr2line_cache_entry): New struct.
12265         (addr2line_cache): New static var.
12266         (Dwarf_line_info::one_addr2line): Added caching.
12267         (Dwarf_line_info::clear_addr2line_cache): New function.
12268         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12269         cache-size parameter.
12270         (Dwarf_line_info::one_addr2line_cache): New function.
12271         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12272         new cache-size argument to one_addr2line(), and clear cache.
12273
12274 2008-04-28  Cary Coutant  <ccoutant@google.com>
12275
12276         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12277         R_386_PC8 relocations.
12278
12279 2008-04-23  Ian Lance Taylor  <iant@google.com>
12280
12281         * object.cc (Sized_relobj::include_section_group): Check for
12282         invalid section group.
12283
12284         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12285         header size.
12286
12287         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12288         than read for file header.
12289         * archive.cc (Archive::include_member): Likewise.
12290
12291 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12292
12293         * aclocal.m4: Regenerate.
12294         * configure: Regenerate.
12295
12296 2008-04-19  Ian Lance Taylor  <iant@google.com>
12297
12298         * version.cc (version_string): Bump to 1.6.
12299
12300         * testsuite/Makefile.am (many_sections_r_test): New target.
12301         (many_sections_r_test_SOURCES): Remove.
12302         (many_sections_r_test_DEPENDENCIES): Remove.
12303         (many_sections_r_test_LDFLAGS): Remove.
12304         (many_sections_r_test_LDADD): Remove.
12305
12306         * object.cc (Sized_relobj::do_add_symbols): Always pass
12307         local_symbol_count_ to add_from_relobj.
12308
12309         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12310         every thousand variables.
12311         * testsuite/Makefile.in: Rebuild.
12312
12313         * object.cc (Xindex::initialize_symtab_xindex): New function.
12314         (Xindex::read_symtab_xindex): New function.
12315         (Xindex::sym_xindex_to_shndx): New function.
12316         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12317         available.
12318         (Sized_relobj::do_initialize_xindex): New function.
12319         (Sized_relobj::do_read_symbols): Adjust section links.
12320         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12321         parameter.  Change all callers.
12322         (Sized_relobj::include_section_group): Adjust section links and
12323         symbol section indexes.
12324         (Sized_relobj::do_layout): Adjust section links.
12325         (Sized_relobj::do_count_local_symbols): Adjust section links and
12326         symbol section indexes.
12327         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12328         ordinary and special symbols.
12329         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12330         dynsym_xindex parameters.  Change all callers.  Adjust section
12331         links.  Use SHN_XINDEX when needed.
12332         (Sized_relobj::get_symbol_location_info): Adjust section links.
12333         Don't get fooled by special symbols.
12334         * object.h (class Xindex): Define.
12335         (class Object): Add xindex_ parameter.  Declare virtual functoin
12336         do_initialize_xindex.
12337         (Object::adjust_sym_shndx): New function.
12338         (Object::set_xindex): New protected function.
12339         (class Symbol_value): Add is_ordinary_shndx_ field.
12340         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12341         (Symbol_value::value): Assert ordinary section.
12342         (Symbol_value::initialize_input_to_output_map): Likewise.
12343         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12344         Change all callers.
12345         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12346         all callers.
12347         (class Sized_relobj): Update declarations.
12348         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12349         parameter.  Change all callers.
12350         (Sized_relobj::adjust_shndx): New function.
12351         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12352         field.
12353         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12354         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12355         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12356         (Sized_dynobj::read_dynsym_section): Adjust section links.
12357         (Sized_dynobj::read_dynamic): Likewise.
12358         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12359         section links.
12360         (Sized_dynobj::do_initialize_xindex): New function.
12361         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12362         do_initialize_xindex.
12363         (Sized_dynobj::adjust_shndx): New function.
12364         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12365         dynsym_xindex_ fields.
12366         (Layout::finalize): Add a call to set_section_indexes before
12367         creating the symtab sections.
12368         (Layout::set_section_indexes): Don't do anything if the section
12369         already has a section index.
12370         (Layout::create_symtab_sections): Add shnum parameter.  Change
12371         caller.  Create .symtab_shndx section if needed.
12372         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12373         caller.
12374         (Layout::allocated_output_section_count): New function.
12375         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12376         needed.
12377         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12378         fields.  Update declarations.
12379         (Layout::symtab_xindex): New function.
12380         (Layout::dynsym_xindex): New function.
12381         (class Write_symbols_task): Add layout_ field.
12382         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12383         Change caller.
12384         * output.cc (Output_section_headers::Output_section_headers): Add
12385         shstrtab_section parameter.  Change all callers.
12386         (Output_section_headers::do_sized_write): Store overflow values
12387         for section count and section string table section index in
12388         section header zero.
12389         (Output_file_header::do_sized_write): Check for overflow of
12390         section count and section string table section index.
12391         (Output_symtab_xindex::do_write): New function.
12392         (Output_symtab_xindex::endian_do_write): New function.
12393         * output.h (class Output_section_headers): Add shstrtab_section_.
12394         Update declarations.
12395         (class Output_symtab_xindex): Define.
12396         (Output_section::has_out_shndx): New function.
12397         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12398         field.
12399         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12400         Change all callers.
12401         (Sized_symbol::init): Likewise.
12402         (Symbol::output_section): Check for ordinary symbol.
12403         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12404         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12405         callers.
12406         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12407         Change all callers.  Simplify handling of symbols from sections
12408         not included in the link.
12409         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12410         distinction.
12411         (Weak_alias_sorter::operator()): Assert that symbols are
12412         ordinary.
12413         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12414         distinction.
12415         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12416         parameters.  Change all callers.
12417         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12418         symbol distinction.  Use SHN_XINDEX when needed.
12419         (Symbol_table::write_section_symbol): Add symtab_xindex
12420         parameter.  Change all callers.
12421         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12422         SHN_XINDEX when needed.
12423         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12424         declarations.
12425         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12426         (Symbol::is_defined): Check is_ordinary.
12427         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12428         (Symbol::is_absolute, Symbol::is_common): Likewise.
12429         (class Sized_symbol): Update declarations.
12430         (class Symbol_table): Update declarations.
12431         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12432         parameters.  Change all callers.
12433         (Sized_symbol::override): Likewise.
12434         (Symbol_table::override): Likewise.
12435         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12436         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12437         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12438         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12439         to be in an ordinary section.
12440         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12441         object and is_ordinary parameters.  Change all callers.
12442         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12443         Change all callers.  Don't add undefined or non-ordinary symbols
12444         to reloc_map_.
12445         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12446         Change all callers.
12447         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12448         declarations.
12449         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12450         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12451         (Sized_relobj::relocate_sections): Likewise.
12452         * target-reloc.h (scan_relocs): Adjust section symbol index.
12453         (scan_relocatable_relocs): Likewise.
12454         * i386.cc (Scan::local): Check for ordinary symbols.
12455         * sparc.cc (Scan::local): Likewise.
12456         * x86_64.cc (Scan::local): Likewise.
12457         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12458         to symbol_section_and_value.
12459         * testsuite/many_sections_test.cc: New file.
12460         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12461         (check_PROGRAMS): Add many_sections_test.
12462         (many_sections_test_SOURCES): Define.
12463         (many_sections_test_DEPENDENCIES): Define.
12464         (many_sections_test_LDFLAGS): Define.
12465         (BUILT_SOURCES): Add many_sections_define.h.
12466         (many_sections_define.h): New target.
12467         (BUILT_SOURCES): Add many_sections_check.h.
12468         (many_sections_check.h): New target.
12469         (check_PROGRAMS): Add many_sections_r_test.
12470         (many_sections_r_test_SOURCES): Define.
12471         (many_sections_r_test_DEPENDENCIES): Define.
12472         (many_sections_r_test_LDFLAGS): Define.
12473         (many_sections_r_test_LDADD): Define.
12474         (many_sections_r_test.o): New target.
12475         * testsuite/Makefile.in: Rebuild.
12476
12477 2008-04-17  Cary Coutant  <ccoutant@google.com>
12478
12479         * errors.cc (Errors::info): New function.
12480         (gold_info): New function.
12481         * errors.h (Errors::info): New function.
12482         * gold.h (gold_info): New function.
12483         * object.cc (Input_objects::add_object): Print trace output.
12484         * options.cc (options::parse_set): New function.
12485         (General_options::parse_wrap): Deleted.
12486         (General_options::General_options): Deleted initializer.
12487         * options.h (options::String_set): New typedef.
12488         (options::parse_set): New function.
12489         (DEFINE_set): New macro.
12490         (General_options::wrap): Changed to use DEFINE_set. Changed
12491         callers of any_wrap_symbols and is_wrap_symbol.
12492         (General_options::trace, General_options::trace_symbol):
12493         New options.
12494         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12495         (General_options::wrap_symbols_): Deleted.
12496         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12497
12498 2008-04-17  David S. Miller  <davem@davemloft.net>
12499
12500         * options.cc (General_options::parse_V): New function.
12501         * options.h: Add entries for -V and -Qy.
12502
12503 2008-04-17  Ian Lance Taylor  <iant@google.com>
12504
12505         * common.cc (Symbol_table::allocate_commons): Remove options
12506         parameter.  Change caller.
12507         (Symbol_table::do_allocate_commons): Remove options parameter.
12508         Change caller.  Just call do_allocate_commons_list twice.
12509         (Symbol_table::do_allocate_commons_list): New function, broken out
12510         of do_allocate_commons.
12511         * common.h (class Allocate_commons_task): Remove options_ field.
12512         Update constructor.
12513         * symtab.cc (Symbol_table::Symbol_table): Initialize
12514         tls_commons_.
12515         (Symbol_table::add_from_object): Put TLS common symbols on
12516         tls_commons_ list.
12517         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12518         which are IN_OUTPUT_DATA.
12519         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12520         allocate_commons and do_allocate_commons declarations.  Declare
12521         do_allocate_commons_list.
12522         * gold.cc (queue_middle_tasks): Update creation of
12523         Allocate_commons_task to not pass options.
12524         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12525         (TLS_TEST_C_FLAGS): New variable.
12526         (tls_test_c_pic.o): New target.
12527         (tls_test_shared.so): Link in tls_test_c_pic.o.
12528         (tls_test_c_pic_ie.o): New target.
12529         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12530         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12531         (tls_test_c.o): New target.
12532         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12533         (tls_pic_test_LDADD): Likewise.
12534         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12535         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12536         (tls_test_c_gnu2.o): New target.
12537         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12538         tls_test_c_gnu2.o.
12539         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12540         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12541         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12542         * testsuite/tls_test.cc: Include "config.h".
12543         (t_last): Call t11_last.
12544         * testsuite/tls_test.h (t11, t11_last): Declare.
12545         * testsuite/tls_test_c.c: New file.
12546         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12547         * configure.ac: Check for OpenMP support.
12548         * configure, config.in, Makefile.in: Rebuild.
12549         * testsuite/Makefile.in: Rebuild.
12550
12551 2008-04-16  Cary Coutant  <ccoutant@google.com>
12552
12553         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12554         (Target_i386::tls_base_symbol_defined_): New field.
12555         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12556         (Target_i386::Scan::global): Likewise.
12557         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12558         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12559         (Target_x86_64::tls_base_symbol_defined_): New field.
12560         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12561         (Target_x86_64::Scan::global): Likewise.
12562
12563 2008-04-16  Cary Coutant  <ccoutant@google.com>
12564
12565         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12566         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12567         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12568         building shared libraries.
12569         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12570         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12571         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12572         * testsuite/Makefile.in: Rebuild.
12573         * testsuite/weak_undef.h: New file.
12574         * testsuite/weak_undef_file1.cc: Add extra test cases.
12575         * testsuite/weak_undef_file2.cc: Likewise.
12576         * testsuite/weak_undef_test.cc: Likewise.
12577
12578 2008-04-16  David S. Miller  <davem@davemloft.net>
12579
12580         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12581         Add issued_non_pic_error_ field.  Declare check_non_pic.
12582         (Target_sparc::Scan::check_non_pic): New function.
12583         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12584         (Target_sparc::Scan::global): Likewise.
12585
12586         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12587         * configure: Rebuild.
12588
12589         * options.h (DEFINE_enable): New macro.
12590         (new_dtags): New enable option.
12591         (initfirst, interpose, loadfltr, nodefaultlib,
12592         nodelete, nodlopen, nodump): New -z options.
12593         * layout.cc (Layout:finish_dynamic_section): If new
12594         dtags enabled, emit DT_RUNPATH.  Also, emit a
12595         DT_FLAGS_1 containing any specified -z flags.
12596
12597 2008-04-16  Ian Lance Taylor  <iant@google.com>
12598
12599         * copy-relocs.cc: New file.
12600         * copy-relocs.h: New file.
12601         * reloc.cc: Remove Copy_relocs code.
12602         * reloc.h: Likewise.
12603         * reloc-types.h (struct Reloc_types) [both versions]: Add
12604         get_reloc_addend_noerror.
12605         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12606         variants of add_global which take an addend which must be zero.
12607         * i386.cc: Include "copy-relocs.h".
12608         (class Target_i386): Change type of copy_relocs_ to variable,
12609         update initializer.
12610         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12611         Change all callers.
12612         (Target_i386::do_finalize_sections): Change handling of
12613         copy_relocs_.
12614         * sparc.cc: Include "copy-relocs.h".
12615         (class Target_sparc): Change type of copy_relocs_ to variable,
12616         update initializer.
12617         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12618         Change all callers.
12619         (Target_sparc::do_finalize_sections): Change handling of
12620         copy_relocs_.
12621         * x86_64.cc: Include "copy-relocs.h".
12622         (class Target_x86_64): Change type of copy_relocs_ to variable,
12623         update initializer.
12624         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12625         class.  Change all callers.
12626         (Target_x86_64::do_finalize_sections): Change handling of
12627         copy_relocs_.
12628         * Makefile.am (CCFILES): Add copy-relocs.cc.
12629         (HFILES): Add copy-relocs.h.
12630
12631         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12632
12633         * testsuite/script_test_4.sh: Permit leading zeroes.
12634
12635 2008-04-15  Ian Lance Taylor  <iant@google.com>
12636
12637         * script-sections.cc (Script_sections::create_segments): Use
12638         header_size_adjustment even when there is enough room for the
12639         headers.
12640         * testsuite/script_test_4.sh: New file.
12641         * testsuite/script_test_4.t: New file.
12642         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12643         (check_DATA): Add script_test_4.stdout.
12644         (MOSTLYCLEANFILES): Likewise.
12645         (script_test_4): New target.
12646         (script_test_4.stdout): New target.
12647         * testsuite/Makefile.in: Rebuild.
12648
12649         * sparc.cc: Add definitions for Output_data_plt_sparc class
12650         constants.
12651
12652 2008-04-14  David S. Miller  <davem@davemloft.net>
12653
12654         * sparc.cc: New file.
12655         * Makefile.am (TARGETSOURCES): Add sparc.cc
12656         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12657         * configure.tgt: Document targ_extra_size and
12658         targ_extra_big_endian.  Add entries for sparc-* and
12659         sparc64-*.
12660         * configure.ac: Handle targ_extra_size and
12661         targ_extra_big_endian.
12662         * Makefile.in: Rebuild.
12663         * configure: Likewise.
12664         * po/POTFILES.in: Likewise.
12665         * po/gold.pot: Likewise.
12666
12667 2008-04-14  Ian Lance Taylor  <iant@google.com>
12668
12669         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12670         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12671         in the name/type/flags to section mapping.  Don't call
12672         allocate_output_section.
12673         (Layout::choose_output_section): Change parameter from adjust_name
12674         to is_input_section.  Don't permit input sections after sections
12675         are attached to segments.  Don't call allocate_output_section.
12676         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12677         not write_enable_output_section.
12678         (Layout::make_output_section): Don't push to
12679         unattached_section_list_ nor call attach_to_segment.  Call
12680         attach_section_to_segment if sections are attached.
12681         (Layout::attach_sections_to_segments): New function.
12682         (Layout::attach_section_to_segment): New function.
12683         (Layout::attach_allocated_section_to_segment): Rename from
12684         attach_to_segment.  Remove flags parameter.
12685         (Layout::allocate_output_section): Remove function.
12686         (Layout::write_enable_output_section): Remove function.
12687         * layout.h (class Layout): Update for above changes.  Add new
12688         field sections_are_attached_.
12689         * output.h (Output_section::update_flags_for_input_section): New
12690         function.
12691         * output.cc (Output_section::add_input_section): Call
12692         update_flags_for_input_section.
12693         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12694
12695 2008-04-11  Cary Coutant  <ccoutant@google.com>
12696
12697         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12698         thought unnecessary.
12699         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12700
12701 2008-04-11  Ian Lance Taylor  <iant@google.com>
12702
12703         * output.h (class Output_section_data): Remove inline definition
12704         of set_addralign.
12705         * output.cc (Output_section_data::set_addralign): New function.
12706
12707 2008-04-11  Cary Coutant  <ccoutant@google.com>
12708
12709         Add support for TLS descriptors for i386 and x86_64.
12710         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12711         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12712         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12713         GOT_TYPE_TLS_DESC.
12714         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12715         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12716         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12717         relocations.
12718         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12719         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12720         Fix problem with initial-exec relocations.
12721         (Target_i386::Relocate::relocate_tls): Likewise.
12722         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12723         relaxation.
12724         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12725         support for section-plus-offset dynamic table entries.
12726         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12727         (Output_data_dynamic::Dynamic_entry): Add support for
12728         section-plus-offset dynamic table entries.
12729         (Output_data_dynamic::Classification): Likewise.
12730         (Output_data_dynamic::classification_): Renamed offset_.
12731         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12732         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12733         (Target_x86_64::make_plt_section): New function.
12734         (Target_x86_64::reserve_tlsdesc_entries): New function.
12735         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12736         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12737         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12738         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12739         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12740         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12741         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12742         add extra PLT entry for TLS descriptors.
12743         (Output_data_plt_x86_64::got_): New field.
12744         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12745         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12746         fields.
12747         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12748         descriptors.
12749         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12750         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12751         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12752         R_386_TLS_DESC_CALL relocations.
12753         (Target_x86_64::Scan::global): Likewise.
12754         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12755         for TLS descriptors.
12756         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12757         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12758         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12759         GD-to-IE relaxation.
12760         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12761         and TLS_DESCRIPTORS.
12762         * Makefile.in: Rebuild.
12763         * configure: Rebuild.
12764         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12765         (tls_test_shared2.so): New target.
12766         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12767         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12768         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12769         (tls_shared_gd_to_ie_test_LDADD): New variable.
12770         (tls_shared_gnu2_gd_to_ie_test): New target.
12771         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12772         New targets.
12773         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12774         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12775         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12776         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12777         (tls_shared_gnu2_test): New target.
12778         (tls_test_gnu2_shared.so): New target.
12779         (tls_shared_gnu2_test_SOURCES): New variable.
12780         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12781         (tls_shared_gnu2_test_LDFLAGS): New variable.
12782         (tls_shared_gnu2_test_LDADD): New variable.
12783         * testsuite/Makefile.in: Rebuild.
12784         * testsuite/Makefile.
12785
12786 2008-04-11  Ian Lance Taylor  <iant@google.com>
12787
12788         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12789         justsyms.t.
12790         * testsuite/Makefile.in: Rebuild.
12791
12792         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12793         long.
12794         * testsuite/script_test_2.cc (main): Adjust test.
12795
12796 2008-04-11  David S. Miller  <davem@davemloft.net>
12797             Ian Lance Taylor  <iant@google.com>
12798
12799         * options.h (General_options): Add entries for '-Y' and
12800         '-relax'.
12801         * options.cc (General_options:finalize): If -Y was used, add those
12802         entries to the library path instead of the default "/lib" and
12803         "/usr/lib".
12804
12805 2008-04-11  David S. Miller  <davem@davemloft.net>
12806
12807         * testsuite/justsyms.t: Start at 0x100.
12808         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12809         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12810         long.
12811         * testsuite/script_test_2.cc: Adjust string and section length
12812         checks.
12813
12814 2008-04-09  Ian Lance Taylor  <iant@google.com>
12815
12816         PR gold/5996
12817         * script-sections.cc (Sections_element::allocate_to_segment): Add
12818         orphan parameter.
12819         (Output_section_definition::allocate_to_segment): Likewise.
12820         (Orphan_output_section::allocate_to_segment): Likewise.
12821         (Script_sections::attach_sections_using_phdrs_clause): Don't
12822         propagate non-PT_LOAD segments to orphan sections.
12823         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12824         readelf rather than objdump.
12825         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12826         .interp section and PT_INTERP segment are the same size.
12827         * testsuite/Makefile.in: Rebuild.
12828
12829         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12830         aliases for symbols defined in the same object.
12831         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12832         (weak_alias_test_SOURCES): New variable.
12833         (weak_alias_test_DEPENDENCIES): New variable.
12834         (weak_alias_test_LDFLAGS): New variable.
12835         (weak_alias_test_LDADD): New variable.
12836         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12837         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12838         (weak_alias_test_3.o): New target.
12839         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12840         * testsuite/weak_alias_test_main.cc: New file.
12841         * testsuite/weak_alias_test_1.cc: New file.
12842         * testsuite/weak_alias_test_2.cc: New file.
12843         * testsuite/weak_alias_test_3.cc: New file.
12844
12845 2008-04-08  Ian Lance Taylor  <iant@google.com>
12846
12847         * options.h (class General_options): Add --noinhibit-exec option.
12848         * main.cc (main): Check --noinhibit-exec.
12849
12850         * options.h (class General_options): Define --wrap as a special
12851         option.  Add wrap_symbols_ field.
12852         (General_options::any_wrap_symbols): New function.
12853         (General_options::is_wrap_symbol): New function.
12854         * options.cc (General_options::parse_wrap): New function.
12855         (General_options::General_options): Initialize wrap_symbols_.
12856         * symtab.cc (Symbol_table::wrap_symbol): New function.
12857         (Symbol_table::add_from_object): Handle --wrap.
12858         * symtab.h (class Symbol_table): Declare wrap_symbol.
12859         * target.h (Target::wrap_char): New function.
12860         (Target::Target_info): Add wrap_char field.
12861         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12862         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12863         * testsuite/testfile.cc (Target_test::test_target_info):
12864         Likewise.
12865
12866         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12867         there is one.
12868
12869         * layout.h (class Layout): Add added_eh_frame_data_ field.
12870         * layout.cc (Layout::Layout): Initialize new field.
12871         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12872         output section until we find a section we merged successfully.
12873         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12874         that the size be non-zero.
12875
12876         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12877         qualifier.
12878
12879 2008-04-08  Craig Silverstein  <csilvers@google.com>
12880
12881         * configure.ac: Export new conditional variable HAVE_ZLIB.
12882         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12883         on HAVE_ZLIB.
12884         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12885         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12886
12887 2008-04-07  Ian Lance Taylor  <iant@google.com>
12888
12889         * version.cc (version_string): Set to "1.5".
12890
12891         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12892         Add issued_non_pic_error_ field.  Declare check_non_pic.
12893         (Target_x86_64::Scan::check_non_pic): New function.
12894         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12895         (Target_x86_64::Scan::global): Likewise.
12896
12897         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12898         addend parameter.  Change caller.  Handle merge sections.
12899         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12900         Address to Addend.  Don't add in the result of
12901         local_section_offset, pass down the addend and use the returned
12902         value.
12903         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12904         Update declarations of local_section_offset and symbol_value.
12905         * testsuite/two_file_test_1.cc (t18): New function.
12906         * testsuite/two_file_test_2.cc (f18): New function.
12907         * testsuite/two_file_test_main.cc (main): Call t18.
12908         * testsuite/two_file_test.h (t18, f18): Declare.
12909
12910         * configure.ac: Don't test for objdump, c++filt, or readelf.
12911         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12912         conditionals.
12913         (TEST_READELF): New variable.
12914         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12915         (check_PROGRAMS): Add two_file_strip_test.
12916         (two_file_strip_test): New target.
12917         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12918         (two_file_same_shared_strip_test_SOURCES): New variable.
12919         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12920         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12921         (two_file_same_shared_strip_test_LDADD): New variable.
12922         (two_file_shared_strip.so): New target.
12923         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12924         (ver_test_5.syms, ver_test_7.syms): Likewise.
12925         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12926         (strip_test_3.stdout): Use TEST_OBJDUMP.
12927         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12928
12929 2008-04-04  Cary Coutant  <ccoutant@google.com>
12930
12931         * symtab.h (Symbol::is_weak_undefined): New function.
12932         (Symbol::is_strong_undefined): New function.
12933         (Symbol::is_absolute): New function.
12934         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12935         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12936         absolute symbols.
12937         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12938         (weak_undef_test): New target.
12939         * testsuite/Makefile.in: Rebuild.
12940         * testsuite/weak_undef_file1.cc: New file.
12941         * testsuite/weak_undef_file2.cc: New file.
12942         * testsuite/weak_undef_test.cc: New file.
12943
12944 2008-04-03  Craig Silverstein  <csilvers@google.com>
12945
12946         * compressed_output.h (class Output_compressed_section): Use
12947         unsigned buffer.
12948         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12949         add zlib header.
12950         (zlib_compressed_suffix): Removed.
12951         (Output_compressed_section::set_final_data_size): Use unsigned
12952         buffers.
12953         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12954         Fix linker invocation.
12955         (flagstest_o_specialfile_and_compress_debug_sections):
12956         Likewise.
12957         * testsuite/Makefile.in: Regenerated.
12958
12959 2008-04-02  David S. Miller  <davem@davemloft.net>
12960
12961         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12962         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12963
12964 2008-04-02  Craig Silverstein  <csilvers@google.com>
12965
12966         * TODO: New file.
12967
12968 2008-04-02  Ian Lance Taylor  <iant@google.com>
12969
12970         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12971         parameters.  Update for new key type to views_.  Change all
12972         callers.
12973         (File_read::read): Adjust for byteshift in returned view.
12974         (File_read::add_view): New function, broken out of
12975         find_and_make_view.
12976         (File_read::make_view): New function, broken out of
12977         find_and_make_view.
12978         (File_read::find_or_make_view): Add offset and aligned
12979         parameters.  Rewrite accordingly.  Change all callers.
12980         (File_read::get_view): Add offset and aligned parameters.  Adjust
12981         for byteshift in return value.
12982         (File_read::get_lasting_view): Likewise.
12983         * fileread.h (class File_read): Update declarations.
12984         (class File_read::View): Add byteshift_ field.  Add byteshift to
12985         constructor.  Add byteshift method.
12986         * archive.h (Archive::clear_uncached_views): New function.
12987         (Archive::get_view): Add aligned parameter.  Change all callers.
12988         * object.h (Object::get_view): Add aligned parameter.  Change all
12989         callers.
12990         (Object::get_lasting_view): Likewise.
12991
12992         * fileread.cc (File_read::release): Don't call clear_views if
12993         there are multiple objects.
12994         * fileread.h (File_read::clear_uncached_views): New function.
12995         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12996         on the archive.
12997
12998 2008-03-31  Cary Coutant  <ccoutant@google.com>
12999
13000         Add thin archive support.
13001         * archive.cc (Archive::armagt): New const.
13002         (Archive::setup): Remove task parameter and calls to unlock.
13003         (Archive::unlock_nested_archives): New function.
13004         (Archive::read_header): Add nested_off parameter. Change
13005         all callers.
13006         (Archive::interpret_header): Likewise.
13007         (Archive::include_all_members): Change to handle thin
13008         archives.
13009         (Archive::include_member): Likewise.
13010         * archive.h (Archive::Archive): Add new parameters and
13011         initializers.
13012         (Archive::armagt): New const.
13013         (Archive::setup): Remove task parameter.
13014         (Archive::unlock_nested_archives): New function.
13015         (Archive::read_header): Add nested_off parameter.
13016         (Archive::interpret_header): Likewise.
13017         (Archive::Nested_archive_table): New typedef.
13018         (Archive::is_thin_archive_): New field.
13019         (Archive::nested_archives_): New field.
13020         (Archive::options_): New field.
13021         (Archive::dirpath_): New field.
13022         (Archive::task_): New field.
13023         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13024         for thin archives.  Pass additional parameters to
13025         Archive::Archive.  Unlock the archive file after calling
13026         Archive::setup.
13027
13028 2008-03-29  Ian Lance Taylor  <iant@google.com>
13029
13030         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13031         version symbol to be local.
13032         * testsuite/ver_test_4.sh: New file.
13033         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13034         (check_DATA): Add ver_test_4.syms.
13035         (ver_test_4.syms): New target.
13036         * testsuite/Makefile.in: Rebuild.
13037
13038         * output.cc
13039         (Output_section::Input_section_sort_entry::has_priority): New
13040         function.
13041         (Output_section::Input_section_sort_entry::match_file_name): New
13042         function.
13043         (Output_section::Input_section_sort_entry::match_section_name):
13044         Remove.
13045         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13046         Remove.
13047         (Output_section::Input_section_sort_entry::match_section_file):
13048         Remove.
13049         (Output_section::Input_section_sort_compare::operator()): Rewrite
13050         using new Input_section_sort_entry functions.  Sort crtbegin and
13051         crtend first.  Sort sections with no priority before sections with
13052         a priority.
13053         * testsuite/initpri1.c (d3): Check j != 4.
13054         (cd5): New constructor/destructor function.
13055         (main): Check j != 2.
13056
13057         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13058         new symbol when resolving, don't call set_is_default.
13059         * testsuite/ver_test_7.cc: New file.
13060         * testsuite/ver_test_7.sh: New file.
13061         * testsuite/Makefile.am (ver_test_7.so): New target.
13062         (ver_test_7.o): New target.
13063         (check_SCRIPTS): Add ver_test_7.sh.
13064         (check_DATA): Add ver_test_7.syms.
13065         (ver_test_7.syms): New target.
13066
13067 2008-03-28  Ian Lance Taylor  <iant@google.com>
13068
13069         * layout.cc (Layout::layout): If we see an input section with a
13070         name that needs sorting, set the must_sort flag for the output
13071         section.
13072         (Layout::make_output_section): If the name of the output section
13073         indicates that it might require sorting, set the may_sort flag.
13074         * output.h (Output_section::may_sort_attached_input_sections): New
13075         function.
13076         (Output_section::set_may_sort_attached_input_sections): New
13077         function.
13078         (Output_section::must_sort_attached_input_sections): New
13079         function.
13080         (Output_section::set_must_sort_attached_input_sections): New
13081         function.
13082         (class Output_section): Declare Input_section_sort_entry.  Define
13083         Input_section_sort_compare.  Declare
13084         sort_attached_input_sections.  Add new fields:
13085         may_sort_attached_input_sections_,
13086         must_sort_attached_input_sections_,
13087         attached_input_sections_are_sorted_.
13088         * output.cc (Output_section::Output_section): Initialize new
13089         fields.
13090         (Output_section::add_input_section): Add an entry to
13091         input_sections_ if may_sort or must_sort are true.
13092         (Output_section::set_final_data_size): Call
13093         sort_attached_input_sections if necessary.
13094         (Output_section::Input_section_sort_entry): Define new class.
13095         (Output_section::Input_section_sort_compare::operator()): New
13096         function.
13097         (Output_section::sort_attached_input_sections): New function.
13098         * configure.ac: Check whether the compiler supports constructor
13099         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13100         * testsuite/initpri1.c: New file.
13101         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13102         CONSTRUCTOR_PRIORITY.
13103         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13104         (initpri1_LDFLAGS): New variable.
13105         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13106
13107 2008-03-27  Ian Lance Taylor  <iant@google.com>
13108
13109         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13110         * testsuite/common_test_1.c: New file.
13111         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13112         (common_test_1_SOURCES): New variable.
13113         (common_test_1_DEPENDENCIES): New variable.
13114         (common_test_1_LDFLAGS): New variable.
13115
13116         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13117         and commons_ correctly when NAME/VERSION does not override
13118         NAME/NULL.
13119         * testsuite/ver_test_6.c: New file.
13120         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13121         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13122         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13123
13124 2008-03-26  Ian Lance Taylor  <iant@google.com>
13125
13126         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13127         of an undefined symbol from a version script.
13128         * testsuite/Makefile.am (ver_test_5.so): New target.
13129         (ver_test_5.o): New target.
13130         (check_SCRIPTS): Add ver_test_5.sh.
13131         (check_DATA): Add ver_test_5.syms.
13132         (ver_test_5.syms): New target.
13133         * testsuite/ver_test_5.cc: New file.
13134         * testsuite/ver_test_5.script: New file.
13135         * testsuite/ver_test_5.sh: New file.
13136         * Makefile.in, testsuite/Makefile.in: Rebuild.
13137
13138         PR gold/5986
13139         Fix problems building gold with gcc 4.3.0.
13140         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13141         (gold_error_at_location, gold_warning_at_location): Use it.
13142         * configure.ac: Check whether we can compile and use a template
13143         function with a printf attribute.
13144         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13145         when jumping over bytes.
13146         * object.cc: Instantiate Object::read_section_data.
13147         * debug.h: Include <cstring>
13148         * dwarf_reader.cc: Include <algorithm>
13149         * main.cc: Include <cstring>.
13150         * options.cc: Include <cstring>.
13151         * output.cc: Include <cstring>.
13152         * script.cc: Include <cstring>.
13153         * script.h: Include <string>.
13154         * symtab.cc: Include <cstring> and <algorithm>.
13155         * target-select.cc: Include <cstring>.
13156         * version.cc: Include <string>.
13157         * testsuite/testmain.cc: Include <cstdlib>.
13158         * configure, config.in: Rebuild.
13159
13160 2008-03-25  Ian Lance Taylor  <iant@google.com>
13161
13162         * options.cc: Include "../bfd/bfdver.h".
13163         (options::help): Print bug reporting address.
13164
13165         * version.cc (print_version): Adjust output for current value of
13166         BFD_VERSION_STRING.
13167
13168         * NEWS: New file.
13169
13170         * options.cc (options::help): Print list of supported targets.
13171         * target-select.h: Include <vector>.
13172         (class Target_selector): Make machine_, size_, and is_big_endian_
13173         fields const.  Add bfd_name_ and instantiated_target_ fields.
13174         (Target_selector::Target_selector): Add bfd_name parameter.
13175         (Target_selector::recognize): Make non-virtual, call
13176         do_recognize.
13177         (Target_selector::recognize_by_name): Make non-virtual, call
13178         do_recognize_by_name.
13179         (Target_selector::supported_names): New function.
13180         (Target_selector::bfd_name): New function.
13181         (Target_selector::do_instantiate_target): New pure virtual
13182         function.
13183         (Target_selector::do_recognize): New virtual function.
13184         (Target_selector::do_recognize_by_name): New virtual function.
13185         (Target_selector::instantiate_target): New private function.
13186         (supported_target_names): Declare.
13187         * target-select.cc (Target_selector::Target_selector): Update for
13188         new parameter and fields.
13189         (select_target_by_name): Check that the name matches before
13190         calling recognize_by_name.
13191         (supported_target_names): New function.
13192         * i386.cc (class Target_selector_i386): Update Target_selector
13193         constructor call.  Remove recognize and recognize_by_name.  Add
13194         do_instantiate_target.
13195         * x86_64.cc (class Target_selector_x86_64): Likewise.
13196         * testsuite/testfile.cc (class Target_selector_test): Update for
13197         changes to Target_selector.
13198
13199         * README: Rewrite, with some notes on unsupported features.
13200
13201 2008-03-24  Cary Coutant  <ccoutant@google.com>
13202
13203         * i386.cc (Target_i386::Got_type): New enum declaration.
13204         (Target_i386::Scan::local): Updated callers of Output_data_got
13205         member functions.
13206         (Target_i386::Scan::global): Likewise.
13207         (Target_i386::Relocate::relocate): Likewise.
13208         (Target_i386::Relocate::relocate_tls): Likewise.
13209         * object.h (Got_offset_list): New class.
13210         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13211         (Sized_relobj::local_got_offset): Likewise.
13212         (Sized_relobj::set_local_got_offset): Likewise.
13213         (Sized_relobj::local_has_tls_got_offset): Removed.
13214         (Sized_relobj::local_tls_got_offset): Removed.
13215         (Sized_relobj::set_local_tls_got_offset): Removed.
13216         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13217         * output.cc (Output_data_got::add_global): Added got_type parameter.
13218         (Output_data_got::add_global_with_rel): Likewise.
13219         (Output_data_got::add_global_with_rela): Likewise.
13220         (Output_data_got::add_global_pair_with_rel): New function.
13221         (Output_data_got::add_global_pair_with_rela): New function.
13222         (Output_data_got::add_local): Added got_type parameter.
13223         (Output_data_got::add_local_with_rel): Likewise.
13224         (Output_data_got::add_local_with_rela): Likewise.
13225         (Output_data_got::add_local_pair_with_rel): New function.
13226         (Output_data_got::add_local_pair_with_rela): New function.
13227         (Output_data_got::add_global_tls): Removed.
13228         (Output_data_got::add_global_tls_with_rel): Removed.
13229         (Output_data_got::add_global_tls_with_rela): Removed.
13230         (Output_data_got::add_local_tls): Removed.
13231         (Output_data_got::add_local_tls_with_rel): Removed.
13232         (Output_data_got::add_local_tls_with_rela): Removed.
13233         * output.h (Output_data_got::add_global): Added got_type parameter.
13234         (Output_data_got::add_global_with_rel): Likewise.
13235         (Output_data_got::add_global_with_rela): Likewise.
13236         (Output_data_got::add_global_pair_with_rel): New function.
13237         (Output_data_got::add_global_pair_with_rela): New function.
13238         (Output_data_got::add_local): Added got_type parameter.
13239         (Output_data_got::add_local_with_rel): Likewise.
13240         (Output_data_got::add_local_with_rela): Likewise.
13241         (Output_data_got::add_local_pair_with_rel): New function.
13242         (Output_data_got::add_local_pair_with_rela): New function.
13243         (Output_data_got::add_global_tls): Removed.
13244         (Output_data_got::add_global_tls_with_rel): Removed.
13245         (Output_data_got::add_global_tls_with_rela): Removed.
13246         (Output_data_got::add_local_tls): Removed.
13247         (Output_data_got::add_local_tls_with_rel): Removed.
13248         (Output_data_got::add_local_tls_with_rela): Removed.
13249         * resolve.cc (Symbol::override_base_with_special): Removed
13250         reference to has_got_offset_ field.
13251         * symtab.cc (Symbol::init_fields): Replaced initialization
13252         of got_offset_ with got_offsets_.  Removed initialization
13253         of has_got_offset_
13254         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13255         (Symbol::got_offset): Likewise.
13256         (Symbol::set_got_offset): Likewise.
13257         (Symbol::has_tls_got_offset): Removed.
13258         (Symbol::tls_got_offset): Removed.
13259         (Symbol::set_tls_got_offset): Removed.
13260         (Symbol::got_offset_): Removed.
13261         (Symbol::tls_mod_got_offset_): Removed.
13262         (Symbol::tls_pair_got_offset_): Removed.
13263         (Symbol::got_offsets_): New field.
13264         (Symbol::has_got_offset): Removed.
13265         (Symbol::has_tls_mod_got_offset): Removed.
13266         (Symbol::has_tls_pair_got_offset): Removed.
13267         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13268         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13269         member functions.
13270         (Target_x86_64::Scan::global): Likewise.
13271         (Target_x86_64::Relocate::relocate): Likewise.
13272         (Target_x86_64::Relocate::relocate_tls): Likewise.
13273
13274 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13275
13276         * yyscript.y: Fix spelling error in comment.
13277
13278 2008-03-24  Ian Lance Taylor  <iant@google.com>
13279
13280         * options.h (class General_options): Define build_id option.
13281         * layout.h (class Layout): Declare write_build_id, create_note,
13282         create_build_id.  Add build_id_note_ member.
13283         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13284         "libiberty.h", "md5.h", "sha1.h".
13285         (Layout::Layout): Initialize eh_frame_data_,
13286         eh_frame_hdr_section_, and build_id_note_.
13287         (Layout::finalize): Call create_build_id.
13288         (Layout::create_note): New function, broken out of
13289         Layout::create_gold_note.
13290         (Layout::create_gold_note): Call create_note.
13291         (Layout::create_build_id): New function.
13292         (Layout::write_build_id): New function.
13293         (Close_task_runner::run): Call write_build_id.
13294
13295         * x86_64.cc: Correct license to GPLv3.
13296
13297 2008-03-23  Ian Lance Taylor  <iant@google.com>
13298
13299         * options.cc: Include "demangle.h".
13300         (parse_optional_string): New function.
13301         (parse_long_option): Handle takes_optional_argument.
13302         (parse_short_option): Update dash_z initializer.  Handle
13303         takes_optional_argument.
13304         (General_options::General_options): Initialize do_demangle_.
13305         (General_options::finalize): Set do_demangle_.  Handle demangling
13306         style.
13307         * options.h (parse_optional_string): Declare.
13308         (struct One_option): Add optional_arg field.  Update constructor.
13309         Update call constructor calls.  Add takes_optional_argument
13310         function.
13311         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13312         (DEFINE_optional_string): Define.
13313         (General_options::demangle): Change from DEFINE_bool to
13314         DEFINE_optional_string.
13315         (General_options::no_demangle): New function.
13316         (General_options::do_demangle): New function.
13317         (General_options::set_do_demangle): New function.
13318         (General_options::execstack_status_): Move definition to end of
13319         class definition.
13320         (General_options::static_): Likewise.
13321         (General_options::do_demangle_): New field.
13322         * object.cc (big_endian>::get_symbol_location_info): Call
13323         Options::do_demangle, not Options::demangle.
13324         * symtab.cc (demangle): Likewise.
13325
13326 2008-03-22  Ian Lance Taylor  <iant@google.com>
13327
13328         * gold.h: Include <cstddef> and <sys/types.h>
13329         * options.h: Include <cstring>.
13330
13331 2008-03-21  Ian Lance Taylor  <iant@google.com>
13332
13333         * Added source code to GNU binutils.