gold/ChangeLog

   1 2012-08-14  Nick Clifton  <nickc@redhat.com>
   2
   3         PR ld/14265
   4         * script-sections.cc (Sections_element::output_section_name): Add
   5         keep return parameter.
   6         (Output_section_element::match_name): Add keep return parameter.
   7         Return the value of the keep_ member.
   8         * script-sections.h (class Output_section): Update
   9         output_section_name prototype.
  10         * layout.cc (Layout::keep_input_section): New public member
  11         function.
  12         (Layout::choose_output_section): Pass keep parameter to
  13         output_section_name.
  14         * layout.h (class Layout): Add keep_input_section.
  15         * object.cc (Sized_relobj_file::do_layout): Check for kept input
  16         sections.
  17         * testsuite/Makefile.am: Add a test.
  18         * testsuite/Makefile.in: Regenerate.
  19         * testsuite/pr14265.c: Source file for the test.
  20         * testsuite/pr14265.t: Linker script for the test.
  21         * testsuite/pr14265.sh: Shell script for the test.
  22
  23 2012-08-14  Alan Modra  <amodra@gmail.com>
  24
  25         * target.h (Target::output_section_name): New function.
  26         (Target::do_output_section_name): New function.
  27         * layout.cc (Layout::choose_output_section): Call the above.
  28         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
  29
  30 2012-08-14  Alan Modra  <amodra@gmail.com>
  31
  32         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
  33         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
  34         for replace_constant call.
  35         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
  36         (Output_data_glink::do_print_to_mapfile): New function.
  37         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
  38         (Target_powerpc::Relocate::relocate): Likewise.
  39
  40 2012-08-14  Alan Modra  <amodra@gmail.com>
  41
  42         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
  43         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
  44         (Output_data_glink::add_entry,find_entry): Remove shndx param.
  45         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
  46         all references to shndx_.  Handle special case for R_PPC_PLTREL24
  47         here.
  48         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
  49         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
  50         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
  51         here.
  52         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
  53         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
  54
  55 2012-08-12  Alan Modra  <amodra@gmail.com>
  56
  57         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
  58         (glink insn constants): Use uint32_t.
  59         (Output_data_glink::add_entry): Use insert, not [] operator.
  60
  61 2012-08-11  Alan Modra  <amodra@gmail.com>
  62
  63         * object.h (Sized_relobj_file::find_shdr): New function.
  64         (Sized_relobj_file::find_special_sections): New function.
  65         * object.cc (Sized_relobj_file::find_shdr): New function.
  66         (Sized_relobj_file::find_eh_frame): Use find_shdr.
  67         (Sized_relobj_file::find_special_sections): New function, split out..
  68         (Sized_relobj_file::do_read_symbols): ..from here.
  69         * output.h (Output_data_got::replace_constant): New function.
  70         (Output_data_got::num_entries): New function.
  71         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
  72         (Output_data_got::got_offset): Protected rather than private.
  73         (Output_data_got::replace_got_entry): New function.
  74         * output.cc (Output_data_got::replace_got_entry): New function.
  75         * powerpc.cc (class Powerpc_relobj): New.
  76         (class Powerpc_relocate_functions): Delete all psymval variants or
  77         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
  78         Implement _ha functions using corresponding _hi function.
  79         (Powerpc_relobj::find_special_sections): New function.
  80         (Target_powerpc::do_make_elf_object): New function.
  81         (class Output_data_got_powerpc): New.
  82         (class Output_data_glink): New.
  83         (class Powerpc_scan_relocatable_reloc): New.
  84         Many more changes througout file.
  85
  86 2012-08-09  Nick Clifton  <nickc@redhat.com>
  87
  88         * po/vi.po: Updated Vietnamese translation.
  89
  90 2012-08-07  Ian Lance Taylor  <iant@google.com>
  91
  92         * layout.cc (Layout::add_target_dynamic_tags): If
  93         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
  94         plt_rel.
  95
  96 2012-07-30  Nick Clifton  <nickc@redhat.com>
  97
  98         * po/gold.pot: Updated template.
  99         * po/es.po: Updated Spanish translation.
 100
 101 2012-07-18  Cary Coutant  <ccoutant@google.com>
 102
 103         PR gold/14344
 104         * configure.ac: Add check for -gpubnames support.
 105         * configure: Regenerate.
 106         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
 107         support; force -gno-pubnames.
 108         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
 109         support.
 110         (gdb_index_test_4): New test.
 111         * testsuite/Makefile.in: Regenerate.
 112         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
 113         * testsuite/gdb_index_test_2.sh: Likewise.
 114         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
 115         * testsuite/gdb_index_test_4.sh: New script.
 116         * testsuite/gdb_index_test_comm.sh: New script with common code;
 117         don't look for space after colon.
 118
 119 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
 120
 121         * gold.cc (queue_middle_tasks): Update function order only after
 122         deferred objects due to plugins are processed.
 123
 124 2012-07-11  Ian Lance Taylor  <iant@google.com>
 125
 126         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
 127         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
 128         (Target_arm::scan_reloc_for_stub): Likewise.
 129         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
 130         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
 131         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
 132         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
 133         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
 134
 135 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
 136             Ian Lance Taylor  <iant@google.com>
 137
 138         PR gold/14309
 139         * configure.ac: Test whether std::tr1::hash<off_t> works.
 140         * gold.h: Add a specialization for std::tr1::hash<off_t> if
 141         needed.
 142         * output.h (class Output_fill): Add virtual destructor.
 143         * configure, config.in: Rebuild.
 144
 145 2012-06-22  Roland McGrath  <mcgrathr@google.com>
 146
 147         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
 148
 149 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
 150
 151         * plugin.cc (Plugin::load): Handle position independent executables.
 152
 153 2012-06-06  Cary Coutant  <ccoutant@google.com>
 154
 155         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
 156         add .debug_macro.
 157         (lines_only_debug_sections): Likewise.
 158         (gdb_fast_lookup_sections): New static array.
 159         (is_gdb_debug_section): Rename formal parameter.
 160         (is_lines_only_debug_section): Likewise.
 161         (is_gdb_fast_lookup_section): New function.
 162         (Layout::include_section): Check for ".zdebug_" prefix; pass
 163         section name suffix to is_gdb_debug_section, et al.; check for
 164         fast-lookup sections when building .gdb_index.
 165         * options.h (--strip-debug-gdb): Update GDB version number.
 166
 167 2012-06-06  Cary Coutant  <ccoutant@google.com>
 168
 169         * configure.ac: Add check for fallocate.
 170         * configure: Regenerate.
 171         * config.in: Regenerate.
 172
 173         * options.h (class General_options): Add --mmap-output-file and
 174         --posix-fallocate options.
 175         * output.cc: (posix_fallocate): Remove; replace with...
 176         (gold_fallocate): New function.
 177         (Output_file::map_no_anonymous): Call gold_fallocate.
 178         (Output_file::map): Check --mmap-output-file option.
 179
 180 2012-06-05  Jing Yu  <jingyu@google.com>
 181
 182         * gold.h (textdomain): Add do {} to empty while(0).
 183         (bindtextdomain): Likewise.
 184
 185 2012-06-04  Cary Coutant  <ccoutant@google.com>
 186
 187         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
 188         has_dynsym_index.
 189
 190 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
 191
 192         * symtab.cc (Symbol_table::define_special_symbol):
 193         Initialize *poldsym to prevent uninitialized variable errors.
 194
 195 2012-05-23  Cary Coutant  <ccoutant@google.com>
 196
 197         * layout.cc (Layout::section_name_mapping): Add rules to handle
 198         exact match on .data.rel.ro.local or .data.rel.ro.
 199         (Layout::output_section_name): Check for exact matches.
 200
 201 2012-05-23  Cary Coutant  <ccoutant@google.com>
 202
 203         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
 204         more carefully.
 205
 206 2012-05-22  Cary Coutant  <ccoutant@google.com>
 207
 208         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
 209         object before exporting symbol.
 210
 211 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 212
 213         * testsuite/tls_test.cc: Include "config.h" first.
 214         * testsuite/tls_test_c.c: Likewise.
 215
 216 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
 217             Nick Clifton  <nickc@redhat.com>
 218
 219         PR 14072
 220         * configure.in: Add check that sysdep.h has been included before
 221         any system header files.
 222         * configure: Regenerate.
 223         * config.in: Regenerate.
 224
 225 2012-05-14  Cary Coutant  <ccoutant@google.com>
 226
 227         * layout.cc (Layout::make_output_section): Mark .tdata section
 228         as RELRO.
 229         * testsuite/relro_test.cc: Add a TLS variable.
 230
 231 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 232
 233         PR gold/14091
 234         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
 235         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
 236         R_X86_64_64.
 237
 238 2012-05-08  Cary Coutant  <ccoutant@google.com>
 239
 240         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
 241         (lines_only_debug_sections): Likewise.
 242
 243 2012-05-02  Roland McGrath  <mcgrathr@google.com>
 244
 245         * nacl.cc: New file.
 246         * nacl.h: New file.
 247         * Makefile.am (CCFILES, HFILES): Add them.
 248         * Makefile.in: Regenerate.
 249         * i386.cc (Output_data_plt_i386_nacl): New class.
 250         (Output_data_plt_i386_nacl_exec): New class.
 251         (Output_data_plt_i386_nacl_dyn): New class.
 252         (Target_i386_nacl): New class.
 253         (Target_selector_i386_nacl): New class.
 254         (target_selector_i386): Use it instead of Target_selector_i386.
 255         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
 256         (Target_x86_64_nacl): New class.
 257         (Target_selector_x86_64_nacl): New class.
 258         (target_selector_x86_64, target_selector_x32): Use it instead of
 259         Target_selector_x86_64.
 260         * arm.cc (Output_data_plt_arm_nacl): New class.
 261         (Target_arm_nacl): New class.
 262         (Target_selector_arm_nacl): New class.
 263         (target_selector_arm, target_selector_armbe): Use it instead of
 264         Target_selector_arm.
 265
 266         * target-select.cc (select_target): Take new Input_file* and off_t
 267         arguments, pass them on to recognize method of selector.
 268         * object.cc (make_elf_sized_object): Update caller.
 269         * parameters.cc (parameters_force_valid_target): Likewise.
 270         * incremental.cc (make_sized_incremental_binary): Likewise.
 271         * target-select.h: Update decl.
 272         (Target_selector::recognize): Take new Input_file* argument,
 273         pass it on to do_recognize.
 274         (Target_selector::do_recognize): Take new Input_file* argument.
 275         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
 276         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
 277         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
 278         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
 279
 280         * target.h (Target::Target_info): New members isolate_execinstr
 281         and rosegment_gap.
 282         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
 283         * arm.cc (Target_arm::arm_info): Update initializer.
 284         * i386.cc (Target_i386::i386_info): Likewise.
 285         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
 286         * sparc.cc (Target_sparc::sparc_info): Likewise.
 287         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 288         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 289         * layout.cc (Layout::attach_allocated_section_to_segment):
 290         Take new const Target* argument.  If target->isolate_execinstr(), act
 291         like --rosegment.
 292         (Layout::find_first_load_seg): Take new const Target* argument;
 293         if target->isolate_execinstr(), reject PF_X segments.
 294         (Layout::relaxation_loop_body): Update caller.
 295         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 296         reset file offset to zero when we hit LOAD_SEG, and then do a second
 297         loop over the segments before LOAD_SEG to reassign offsets after
 298         addresses have been determined.  Handle target->rosegment_gap().
 299         (Layout::attach_section_to_segment): Take new const Target* argument;
 300         pass it to attach_allocated_section_to_segment.
 301         (Layout::make_output_section): Update caller.
 302         (Layout::attach_sections_to_segments): Take new const Target* argument;
 303         pass it to attach_section_to_segment.
 304         * gold.cc (queue_middle_tasks): Update caller.
 305         * layout.h (Layout): Update method decls with new arguments.
 306
 307         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 308         Target_info pointer to use.
 309         (Target_arm::do_make_data_plt): New virtual method.
 310         (Target_arm::make_data_plt): New method that calls it.
 311         (Target_arm::make_plt_entry): Use it.
 312         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 313         for the section alignment.
 314         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 315         method.
 316         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 317         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 318         method.
 319         (Output_data_plt_arm::get_plt_entry_size): Call it.
 320         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 321         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 322         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 323         method.
 324         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 325         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 326         method instead of sizeof(plt_entry).
 327         (Output_data_plt_arm::add_entry): Likewise.
 328         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 329         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 330         than static method.
 331         (Target_arm::plt_entry_size): Likewise.
 332         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 333         Move to ...
 334         (Output_data_plt_arm_standard): ... here, new class.
 335         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 336         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 337         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 338
 339         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 340         Take additional argument for the PLT entry size.
 341         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 342         Use get_plt_entry_size method rather than plt_entry_size variable.
 343         (Output_data_plt_x86_64::reserve_slot): Likewise.
 344         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 345         (Output_data_plt_x86_64::add_entry): Likewise.
 346         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 347         (Output_data_plt_x86_64::address_for_global): Likewise.
 348         (Output_data_plt_x86_64::address_for_local): Likewise.
 349         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 350         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 351         Make method non-static.
 352         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 353         method.
 354         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 355         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 356         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 357         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 358         virtual method.
 359         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 360         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 361         virtual method.
 362         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 363         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 364         virtual method.
 365         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 366         (Output_data_plt_x86_64::plt_entry_size)
 367         (Output_data_plt_x86_64::first_plt_entry)
 368         (Output_data_plt_x86_64::plt_entry)
 369         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 370         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 371         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 372         (Output_data_plt_x86_64_standard): ... here, new class.
 373         (Target_x86_64::Target_x86_64): Take optional argument for the
 374         Target_info pointer to use.
 375         (Target_x86_64::do_make_data_plt): New virtual method.
 376         (Target_x86_64::make_data_plt): New method to call it.
 377         (Target_x86_64::init_got_plt_for_update): Use that.
 378         Call this->plt_->add_eh_frame method here.
 379         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 380         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 381         rather than static method.
 382         (Target_x86_64::plt_entry_size): Likewise.
 383         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 384         rather than plt_entry_size variable.  Move guts of PLT filling to...
 385         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 386         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 387         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 388
 389         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 390         additional argument for the section alignment.
 391         Don't do add_eh_frame_for_plt here.
 392         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 393         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 394         variable.
 395         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 396         method.
 397         (Output_data_plt_i386::get_plt_entry_size): Call it.
 398         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 399         (Output_data_plt_i386::add_eh_frame): New method to call it.
 400         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 401         method.
 402         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 403         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 404         method.
 405         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 406         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 407         method instead of plt_entry_size.
 408         (Output_data_plt_i386::plt_entry_size)
 409         (Output_data_plt_i386::plt_eh_frame_fde_size)
 410         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 411         (Output_data_plt_i386_standard): ... here, new class.
 412         (Output_data_plt_i386_exec): New class.
 413         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 414         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 415         (Output_data_plt_i386::exec_plt_entry): Move to ...
 416         (Output_data_plt_i386_exec::plt_entry): ... here.
 417         (Output_data_plt_i386_dyn): New class.
 418         (Output_data_plt_i386::first_plt_entry): Move to ...
 419         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 420         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 421         (Output_data_plt_i386_dyn::plt_entry): ... here.
 422         (Target_i386::Target_i386): Take optional argument for the Target_info
 423         pointer to use.
 424         (Target_i386::do_make_data_plt): New virtual method.
 425         (Target_i386::make_data_plt): New method to call it.
 426         (Target_i386::make_plt_section): Use that.
 427         Call this->plt_->add_eh_frame method here.
 428         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 429         rather than plt_entry_size variable.
 430         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 431         (Output_data_plt_i386::address_for_local): Likewise.
 432         (Output_data_plt_i386::do_write): Likewise.
 433         Move guts of PLT filling to...
 434         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 435         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 436         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 437         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 438
 439 2012-05-01  Cary Coutant  <ccoutant@google.com>
 440
 441         * dwarf_reader.cc (Dwarf_die::read_attributes)
 442         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 443         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 444         * reduced_debug_output.cc
 445         (Output_reduced_debug_info_section::get_die_end): Remove
 446         DW_FORM_GNU_ref_index.  Add default case.
 447
 448 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 449
 450         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 451         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 452         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 453         DW_AT_high_pc as offset from DW_AT_low_pc.
 454
 455         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 456         * testsuite/Makefile.in: Regenerate.
 457         * testsuite/gdb_index_test_3.c: New test source file.
 458         * testsuite/gdb_index_test_3.sh: New test source file.
 459
 460 2012-04-25  Ian Lance Taylor  <iant@google.com>
 461
 462         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 463         pointer.
 464         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 465         as a class, not a struct.
 466         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 467         (Target_arm::apply_cortex_a8_workaround): Likewise.
 468         * gc.h: Declare Reloc_types as a struct, not a class.
 469         * object.h: Declare Symbols_data as a struct.
 470         * reloc.h: Declare Read_relocs_data as a struct.
 471         * target.h: Declare Relocate_info as a struct.
 472
 473 2012-04-24  David S. Miller  <davem@davemloft.net>
 474
 475         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 476         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 477         and R_SPARC_WPLT30.
 478
 479 2012-04-24  Cary Coutant  <ccoutant@google.com>
 480
 481         * incremental-dump.cc (find_input_containing_global): Replace
 482         magic number with symbolic constant.
 483         (dump_incremental_inputs): Update version number.
 484         * incremental.cc (Output_section_incremental_inputs): Update version
 485         number; import symbolic constants from Incremental_inputs_reader.
 486         (Incremental_inputs::create_data_sections): Align relocations
 487         section correctly for 64-bit targets.
 488         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 489         constants; add padding.
 490         (Output_section_incremental_inputs::write_header): Add assert for
 491         header_size.
 492         (Output_section_incremental_inputs::write_input_files): Add assert
 493         for input_entry_size.
 494         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 495         add assert for object_info_size, input_section_entry_size,
 496         global_sym_entry_size.
 497         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 498         for data structure sizes; use them.
 499         (Incremental_input_entry_reader): Import symbolic constants from
 500         Incremental_inputs_reader; use them.
 501
 502 2012-04-23  David S. Miller  <davem@davemloft.net>
 503
 504         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 505         and elf_flags_set_.
 506         (Target_sparc::Target_sparc): Initialize new fields.
 507         (Target_sparc::do_make_elf_object): New function.
 508         (Target_sparc::do_adjust_elf_header): New function.
 509
 510 2012-04-23  Cary Coutant  <ccoutant@google.com>
 511
 512         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 513         CU range table of gdb index.
 514
 515 2012-04-20  David S. Miller  <davem@davemloft.net>
 516
 517         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 518         instead of false.
 519
 520 2012-04-16  David S. Miller  <davem@davemloft.net>
 521
 522         * sparc.cc (Target_sparc::got_address): New function.
 523         (Sparc_relocate_functions::gdop_hix22): New function.
 524         (Sparc_relocate_functions::gdop_lox10): New function.
 525         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 526         relocs.
 527         (Target_sparc::Scan::local): Likewise if the global symbol is not
 528         preemptible and is not IFUNC.
 529         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 530         transformations for local and non-preemptible non-IFUNC global
 531         symbols.
 532
 533         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 534         writing out 64-bit part of ranges.
 535
 536         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 537         -fpic and -fpie respectively.
 538         * Makefile.in: Regenerate.
 539
 540         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 541         (Target_sparc::Target_sparc): Initialize new field.
 542         (Target_sparc::do_plt_section_for_global): New function.
 543         (Target_sparc::do_plt_section_for_local): New function.
 544         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 545         (Target_sparc::make_plt_section): New function, broken out of
 546         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 547         (Target_sparc::make_plt_entry): Call make_plt_section.
 548         (Target_sparc::make_local_ifunc_plt_entry): New function.
 549         (Target_sparc::rela_ifunc_section): New function.
 550         (Target_sparc::plt_section): Remove const.
 551         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 552         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 553         and ifunc_count_ fields.
 554         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 555         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 556         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 557         (Output_data_plt_sparc::rela_ifunc): New function.
 558         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 559         (Output_data_plt_sparc::has_ifunc_section): New function.
 560         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 561         (Output_data_plt_sparc::address_for_global): New function.
 562         (Output_data_plt_sparc::address_for_local): New function.
 563         (Output_data_plt_sparc::plt_index_to_offset): New function.
 564         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 565         and entry_count.
 566         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 567         entry_count.
 568         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 569         R_SPARC_JMP_IREL to switch.
 570         (Target_sparc::Scan::check_non_pic): Likewise.
 571         (Target_sparc::Scan::local): Handle IFUNC symbols.
 572         (Target_sparc::Scan::local): Likewise.
 573         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 574         and plt_address_for_local.
 575         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 576         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 577
 578         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 579         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 580         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 581         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 582         global relocs too.
 583         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 584         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 585         calls.
 586         * sparc.cc (Target_sparc::Scan::global): Likewise.
 587         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 588
 589 2012-04-16  Cary Coutant  <ccoutant@google.com>
 590
 591         * archive.cc (Library_base::should_include_member): Check for
 592         --export-dynamic-symbol.
 593         * options.h (class General_options): Add --export-dynamic-symbol.
 594         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 595         --export-dynamic-symbol.
 596         (Symbol_table::gc_mark_undef_symbols): Likewise.
 597         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 598
 599 2012-04-12  David S. Miller  <davem@davemloft.net>
 600
 601         * sparc.cc (Reloc::wdisp10): New relocation method.
 602         (Reloc::h34): Likewise.
 603         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 604         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 605         R_SPARC_WDISP10.
 606         (Target_sparc::Scan::local): Likewise.
 607         (Target_sparc::Scan::global): Likewise.
 608         (Target_sparc::Relocate::relocate): Likewise.
 609
 610 2012-04-09  Cary Coutant  <ccoutant@google.com>
 611
 612         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 613         low_pc == 0.
 614
 615 2012-04-06  Ian Lance Taylor  <iant@google.com>
 616
 617         * timer.cc: #include <unistd.h>.
 618
 619 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 620
 621         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 622         * config.in: Regenerate.
 623         * configure: Regenerate.
 624
 625 2012-04-05  Nick Clifton  <nickc@redhat.com>
 626
 627         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 628         (AM_LC_MESSAGES): Add.
 629         * aclocal.m4: Regenerate.
 630         * config.in: Regenerate.
 631         * configure: Regenerate.
 632
 633 2012-03-21  Cary Coutant  <ccoutant@google.com>
 634
 635         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 636         * Makefile.in: Regenerate.
 637         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 638         (Sized_elf_reloc_mapper::symbol_section): New function.
 639         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 640         (make_elf_reloc_mapper): New function.
 641         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 642         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 643         (Dwarf_abbrev_table::do_get_abbrev): New function.
 644         (Dwarf_ranges_table::read_ranges_table): New function.
 645         (Dwarf_ranges_table::read_range_list): New function.
 646         (Dwarf_pubnames_table::read_section): New function.
 647         (Dwarf_pubnames_table::read_header): New function.
 648         (Dwarf_pubnames_table::next_name): New function.
 649         (Dwarf_die::Dwarf_die): New function.
 650         (Dwarf_die::read_attributes): New function.
 651         (Dwarf_die::skip_attributes): New function.
 652         (Dwarf_die::set_name): New function.
 653         (Dwarf_die::set_linkage_name): New function.
 654         (Dwarf_die::attribute): New function.
 655         (Dwarf_die::string_attribute): New function.
 656         (Dwarf_die::int_attribute): New function.
 657         (Dwarf_die::uint_attribute): New function.
 658         (Dwarf_die::ref_attribute): New function.
 659         (Dwarf_die::child_offset): New function.
 660         (Dwarf_die::sibling_offset): New function.
 661         (Dwarf_info_reader::check_buffer): New function.
 662         (Dwarf_info_reader::parse): New function.
 663         (Dwarf_info_reader::do_parse): New function.
 664         (Dwarf_info_reader::do_read_string_table): New function.
 665         (Dwarf_info_reader::lookup_reloc): New function.
 666         (Dwarf_info_reader::get_string): New function.
 667         (Dwarf_info_reader::visit_compilation_unit): New function.
 668         (Dwarf_info_reader::visit_type_unit): New function.
 669         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 670         Sized_elf_reloc_mapper.
 671         (Sized_dwarf_line_info::symbol_section): Remove function.
 672         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 673         (Sized_dwarf_line_info::read_line_mappings): Remove object
 674         parameter, adjust callers.
 675         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 676         * dwarf_reader.h: Include <sys/types.h>.
 677         (class Track_relocs): Remove forward declaration.
 678         (class Elf_reloc_mapper): New class.
 679         (class Sized_elf_reloc_mapper): New class.
 680         (class Dwarf_abbrev_table): New class.
 681         (class Dwarf_range_list): New class.
 682         (class Dwarf_ranges_table): New class.
 683         (class Dwarf_pubnames_table): New class.
 684         (class Dwarf_die): New class.
 685         (class Dwarf_info_reader): New class.
 686         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 687         (Sized_dwarf_line_info::symbol_section): Remove member function.
 688         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 689         base class.
 690         * gdb-index.cc: New source file.
 691         * gdb-index.h: New source file.
 692         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 693         and .debug_types sections, call Layout::add_to_gdb_index.
 694         (Sized_relobj_incr::do_section_name): Implement.
 695         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 696         return type; Implement.
 697         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 698         return type.
 699         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 700         parameter list and return type.
 701         (Sized_incr_dynobj::do_section_contents): Likewise.
 702         * layout.cc: Include gdb-index.h.
 703         (Layout::Layout): Initialize gdb_index_data_.
 704         (Layout::init_fixed_output_section): Check for .gdb_index section.
 705         (Layout::add_to_gdb_index): New function. Instantiate.
 706         * layout.h: Add forward declaration for class Gdb_index.
 707         (Layout::add_to_gdb_index): New member function.
 708         (Layout::gdb_index_data_): New data member.
 709         * main.cc: Include gdb-index.h.
 710         (main): Print statistics for gdb index.
 711         * object.cc (Object::section_contents): Move code into
 712         do_section_contents.
 713         (need_decompressed_section): Check for sections needed when building
 714         gdb index.
 715         (build_compressed_section_map): Likewise.
 716         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 717         gdb index.
 718         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 719         sections; call Layout::add_to_gdb_index.
 720         (Sized_relobj_file::do_decompressed_section_contents): Call
 721         do_section_contents directly.
 722         * object.h (Object::do_section_contents): Adjust parameter list and
 723         return type.
 724         (Object::do_decompressed_section_contents): Call do_section_contents
 725         directly.
 726         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 727         return type.
 728         * options.h (class General_options): Add --gdb-index option.
 729         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 730         list and return type.
 731         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 732         * reloc.h (Track_relocs::checkpoint): New function.
 733         (Track_relocs::reset): New function.
 734
 735         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 736         New test cases.
 737         * testsuite/Makefile.in: Regenerate.
 738         * testsuite/gdb_index_test.cc: New test source file.
 739         * testsuite/gdb_index_test_1.sh: New test source file.
 740         * testsuite/gdb_index_test_2.sh: New test source file.
 741
 742 2012-03-19  Doug Kwan  <dougkwan@google.com>
 743
 744         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 745         (Target_arm::do_finalize_sections): Remove code which defines
 746         __exidx_start and __exidx_end.  Make symbol table parameter
 747         anonymous as it is not used.
 748         * gold.cc (queue_middle_tasks): Call target hook to define any
 749         target-specific symbols.
 750         * target.h (Target::define_standard_symbols): New method.
 751         (Target::do_define_standard_symbols): Same.
 752         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 753         * testsuite/Makefile.in: Regenerate.
 754         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 755         and __exidx_end.
 756         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 757         relocations are generated for __exidx_start and __exidx_end.
 758
 759 2012-03-16  Doug Kwan  <dougkwan@google.com>
 760
 761         * testsuite/Makefile.am: Disable test initpri3b.
 762         * testsuite/Makefile.in: Regenerate.
 763
 764 2012-03-15  Doug Kwan  <dougkwan@google.com>
 765
 766         * arm.cc (Target_arm::got_section): Make .got section read-only
 767         if -z now is given.
 768
 769 2012-03-15  Ian Lance Taylor  <iant@google.com>
 770
 771         PR gold/13850
 772         * layout.cc (Layout::make_output_section): Correctly mark
 773         SHT_INIT_ARRAY, et. al., as relro.
 774
 775 2012-03-14  Doug Kwan  <dougkwan@google.com>
 776
 777         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 778         dynamic relocations for protected symbols in shared objects.
 779
 780 2012-03-13  Ian Lance Taylor  <iant@google.com>
 781
 782         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 783         keep the larger alignment.
 784
 785 2012-03-12  Cary Coutant  <ccoutant@google.com>
 786
 787         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 788         handling of DW_LNE_define_file.
 789
 790 2012-03-12  Cary Coutant  <ccoutant@google.com>
 791
 792         * reduced_debug_output.cc
 793         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 794         codes to switch.
 795
 796 2012-02-29  Cary Coutant  <ccoutant@google.com>
 797
 798         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 799
 800 2012-02-29  Cary Coutant  <ccoutant@google.com>
 801
 802         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 803         Call Object::decompressed_section_contents.
 804         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 805         New dtor.
 806         (Sized_dwarf_line_info::buffer_start_): New data member.
 807         * merge.cc (Output_merge_data::do_add_input_section): Call
 808         Object::decompressed_section_contents.
 809         (Output_merge_string::do_add_input_section): Likewise.
 810         * object.cc (need_decompressed_section): New function.
 811         (build_compressed_section_map): Decompress sections needed later.
 812         (Sized_relobj_file::do_decompressed_section_contents): New function.
 813         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 814         * object.h (Object::decompressed_section_contents): New function.
 815         (Object::discard_decompressed_sections): New function.
 816         (Object::do_decompressed_section_contents): New function.
 817         (Object::do_discard_decompressed_sections): New function.
 818         (Compressed_section_info): New type.
 819         (Compressed_section_map): Include decompressed section contents.
 820         (Sized_relobj_file::do_decompressed_section_contents): New function.
 821         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 822
 823 2012-02-16  Cary Coutant  <ccoutant@google.com>
 824
 825         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 826         * testsuite/Makefile.in: Regenerate.
 827
 828 2012-02-14  Cary Coutant  <ccoutant@google.com>
 829
 830         * options.cc (General_options::finalize): Disallow -pie and -static.
 831
 832 2012-02-03  Doug Kwan  <dougkwan@google.com>
 833
 834         * arm.cc (Arm_relocate_functions::abs8,
 835         Arm_relocate_functions::abs16): Use
 836         Bits::has_signed_unsigned_overflow32.
 837         (Arm_relocate_functions::thm_abs8): Correct range of
 838         overflow check.
 839         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 840         in assertions.
 841
 842 2012-02-02  Doug Kwan  <dougkwan@google.com>
 843
 844         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 845         position independent outputs, not just shared objects.
 846
 847 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 848
 849         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 850         * configure: Regenerated.
 851
 852 2012-01-27  Ian Lance Taylor  <iant@google.com>
 853
 854         * reloc.h (Bits): New class with static functions, copied from
 855         namespace utils in arm.cc.
 856         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 857         instead.
 858
 859 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 860
 861         * incremental.cc (write_info_blocks): Correct relocation offset.
 862
 863 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 864
 865         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 866         (Relocate::tls_gd_to_le): Likewise.
 867
 868 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 869
 870         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 871
 872 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 873
 874         * configure.ac: Check if -mcmodel=medium works.
 875         * configure: Regenerated.
 876
 877 2012-01-24  Cary Coutant  <ccoutant@google.com>
 878
 879         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 880         definition and ...
 881         (read_unsigned_LEB_128_x): ... this new function.
 882         (read_signed_LEB_128): Replaced with inline definition and ...
 883         (read_signed_LEB_128_x): ... this new function.
 884         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 885         (read_unsigned_LEB_128): Add inline definition.
 886         (read_signed_LEB_128_x): New function.
 887         (read_signed_LEB_128): Add inline definition.
 888         * testsuite/Makefile.am (leb128_unittest): New unit test.
 889         * testsuite/Makefile.in: Regenerate.
 890         * testsuite/leb128_unittest.cc: New unit test.
 891
 892 2012-01-23  Ian Lance Taylor  <iant@google.com>
 893
 894         PR gold/13617
 895         * i386.cc (Target_i386::do_code_fill): When using a jmp
 896         instruction, pad with nop instructions.
 897         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 898
 899 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 900
 901         * x86_64.cc (gc_process_relocs): Add typename on types used in
 902         template.
 903         (scan_relocs): Likewise.
 904         (relocate_section): Likewise.
 905         (apply_relocation): Likewise.
 906
 907 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 908
 909         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 910         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 911         under x32.
 912
 913 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 914
 915         * x86_64.cc: Initial support for x32.
 916
 917 2012-01-03  Cary Coutant  <ccoutant@google.com>
 918
 919         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 920         Use abstract base class for GOT.
 921         * gold/output.h (class Output_data_got_base): New abstract base class.
 922         (class Output_data_got): Derive from new base class, adjust ctors.
 923         (Output_data_got::reserve_slot): Make virtual; rename to
 924         do_reserve_slot; Adjust callers.
 925         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 926         pointer to abstract base class.
 927         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 928
 929 2011-12-18  Ian Lance Taylor  <iant@google.com>
 930
 931         * object.h (Relobj::local_symbol_value): New function.
 932         (Relobj::local_plt_offset): New function.
 933         (Relobj::local_has_got_offset): New function.
 934         (Relobj::local_got_offset): New function.
 935         (Relobj::set_local_got_offset): New function.
 936         (Relobj::do_local_symbol_value): New pure virtual function.
 937         (Relobj::do_local_plt_offset): Likewise.
 938         (Relobj::do_local_has_got_offset): Likewise.
 939         (Relobj::do_local_got_offset): Likewise.
 940         (Relobj::do_set_local_got_offset): Likewise.
 941         (Sized_relobj::do_local_has_got_offset): Rename from
 942         local_has_got_offset.
 943         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 944         (Sized_relobj::do_set_local_got_offset): Rename from
 945         set_local_got_offset.
 946         (Sized_relobj_file::do_local_plt_offset): Rename from
 947         local_plt_offset.
 948         (Sized_relobj_file::do_local_symbol_value): New function.
 949         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 950         local_plt_offset.
 951         * output.cc (Output_data_got::Got_entry::write): Change object to
 952         Relobj.  Use local_symbol_value.
 953         (Output_data_got::add_global_with_rel): Change rel_dyn to
 954         Output_data_reloc_generic*.  Use add_global_generic.
 955         (Output_data_got::add_global_with_rela): Remove.  Change all
 956         callers to use add_global_with_rel.
 957         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 958         Output_data_reloc_generic*.  Use add_global_generic.
 959         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 960         callers to use add_global_pair_with_rel.
 961         (Output_data_got::add_local): Change object to Relobj*.
 962         (Output_data_got::add_local_plt): Likewise.
 963         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 964         change rel_dyn to Output_data_reloc_generic*.  Use
 965         add_local_generic.
 966         (Output_data_got::add_local_with_rela): Remove.  Change all
 967         callers to use all_local_with_rel.
 968         (Output_data_got::add_local_pair_with_rel): Change object to
 969         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 970         add_output_section_generic.
 971         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 972         callers to use add_local_pair_with_rel.
 973         (Output_data_got::reserve_local): Change object to Relobj*.
 974         * output.h: (class Output_data_reloc_generic): Add pure virtual
 975         declarations for add_global_generic, add_local_generic,
 976         add_output_section_generic.
 977         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 978         functions for Output_data_reloc_generic.  Update declarations for
 979         changes listed in output.cc.
 980         (class Output_data_got): Change template parameter to got_size.
 981         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 982         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 983         function.
 984         (Sized_relobj_incr::do_local_plt_offset): New function.
 985         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 986         add_global_generic.
 987
 988 2011-12-17  Cary Coutant  <ccoutant@google.com>
 989
 990         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 991         * resolve.cc (Symbol_table::resolve): Likewise.
 992         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 993         arrays.
 994         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 995
 996 2011-12-16  Ian Lance Taylor  <iant@google.com>
 997
 998         * output.h (Output_data_reloc_generic::add): Only call
 999         add_dynamic_reloc if this is a dynamic reloc section.
1000
1001 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1002
1003         PR gold/13505
1004         * target-reloc.h (apply_relocation): Replace <64, false> with
1005         <size, big_endian>.
1006
1007 2011-11-25  Nick Clifton  <nickc@redhat.com>
1008
1009         * po/it.po: New Italian translation.
1010
1011 2011-11-17  Sterling Augustine  <saugustine@google.com>
1012
1013         * script.cc (script_include_directive): Implement.
1014         (read_script_file): New local variables name and search_path. Update
1015         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1016         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1017         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1018
1019 2011-11-11  Sterling Augustine  <saugustine@google.com>
1020
1021         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1022         (file_or_sections_cmd): Likewise.
1023
1024 2011-11-11  Doug Kwan  <dougkwan@google.com>
1025
1026         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1027         if --just-symbols is given.
1028
1029 2011-11-10  Doug Kwan  <dougkwan@google.com>
1030
1031         PR gold/13362
1032         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1033         when processing data relocs.
1034         * reloc.h (Relocate_functions::rel_unaligned): New method.
1035         (Relocate_functions::pcrel_unaligned): Ditto.
1036         (Relocate_functions::rel32_unaligned): Ditto.
1037         (Relocate_functions::pcrel32_unaligned): Ditto.
1038
1039 2011-11-09  Doug Kwan  <dougkwan@google.com>
1040
1041         PR gold/13362
1042         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1043         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1044         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1045         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1046         (Relocate_functions::rel_unaligned): New.
1047         (Relocate_functions::rel32_unaligned): New.
1048         * target-reloc.h (relocate_for_relocatable): Add code to handle
1049         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1050         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1051         arm_unaligned_reloc_r): New targets.
1052         * testsuite/Makefile.in: Regenerate.
1053         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1054         linking.
1055
1056 2011-11-02  Ian Lance Taylor  <iant@google.com>
1057
1058         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1059         NATIVE_LINKER.
1060         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1061         * options.cc (General_options::finalize): Use library search path
1062         from configure script if specified.  If not native and no sysroot,
1063         only search TOOLLIBDIR.
1064         * options.h (Search_directory::Search_directory): Change name to
1065         const std::string&.
1066         (General_options::add_to_library_path_with_sysroot): Change arg to
1067         const std::string&.
1068         * configure, Makefile.in, config.in: Rebuild.
1069
1070 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1071
1072         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1073         we are working around the ARM1176 Erratum.
1074         * options.h (General_options::fix_arm1176): Add option.
1075         * testsuite/Makefile.am: Add testcases, and keep current ones
1076         working.
1077         * testsuite/Makefile.in: Regenerate.
1078         * testsuite/arm_fix_1176.s: New file.
1079         * testsuite/arm_fix_1176.sh: Likewise.
1080
1081 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1082
1083         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1084         may_use_blx_.
1085         (Target_arm::may_use_blx): Remove method.
1086         (Target_arm::set_may_use_blx): Likewise.
1087         (Target_arm::may_use_v4t_interworking): New method.
1088         (Target_arm::may_use_v5t_interworking): Likewise.
1089         (Target_arm::may_use_blx_): Remove member variable.
1090         (Arm_relocate_functions::arm_branch_common): Check for v5T
1091         interworking.
1092         (Arm_relocate_functions::thumb_branch_common): Likewise.
1093         (Reloc_stub::stub_type_for_reloc): Likewise.
1094         (Target_arm::do_finalize_sections): Correct interworking checks.
1095         * testsuite/Makefile.am: Add new tests.
1096         * testsuite/Makefile.in: Regenerate.
1097         * testsuite/arm_farcall_arm_arm.s: New test.
1098         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1099         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1100         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1101         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1102         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1103         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1104         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1105
1106 2011-10-31  Cary Coutant  <ccoutant@google.com>
1107
1108         PR gold/13023
1109         * expression.cc (Expression::eval_with_dot): Add
1110         is_section_dot_assignment parameter.
1111         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1112         absolute and assigning to dot within a section.
1113         * script-sections.cc
1114         (Output_section_element_assignment::set_section_addresses): Pass
1115         dot_section to set_if_absolute.
1116         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1117         as is_section_dot_assignment flag to eval_with_dot.
1118         (Output_section_element_dot_assignment::set_section_addresses):
1119         Likewise.
1120         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1121         parameter.  Also set value if relative to dot_section; set the
1122         symbol's output_section.
1123         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1124         parameter.  Adjust all callers.
1125         (Expression::eval_maybe_dot): Likewise.
1126         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1127         Adjust all callers.
1128         * testsuite/script_test_2.t: Test assignment of an absolute value
1129         to dot within an output section element.
1130
1131 2011-10-31  Cary Coutant  <ccoutant@google.com>
1132
1133         * options.h (class General_options): Add --[no-]gnu-unique options.
1134         * symtab.cc (Symbol_table::sized_write_globals): Convert
1135         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1136
1137 2011-10-31  Cary Coutant  <ccoutant@google.com>
1138
1139         PR gold/13359
1140         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1141         unnecessary assertion.
1142         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1143
1144 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1145
1146         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1147         gc_mark_symbol.
1148         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1149         gc_mark_symbol.
1150         Change to just keep the section associated with symbol.
1151         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1152         they are externally visible and --export-dynamic is turned on.
1153         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1154
1155 2011-10-19  Ian Lance Taylor  <iant@google.com>
1156
1157         PR gold/13163
1158         * script-sections.cc
1159         (Output_section_element_dot_assignment::needs_output_section): New
1160         function.
1161
1162 2011-10-19  Ian Lance Taylor  <iant@google.com>
1163
1164         PR gold/13204
1165         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1166         --section-start option was seen.
1167         * options.h (General_options::any_section_start): New function.
1168
1169 2011-10-18  David S. Miller  <davem@davemloft.net>
1170
1171         PR binutils/13301
1172         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1173         member to track relocation locations that have moved during TLS
1174         reloc optimizations.
1175         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1176         (Target_sparc::Relocate::relocate): Adjust view down by 4
1177         bytes if it matches reloc_adjust_addr_.
1178         (Target_sparc::Relocate::relocate_tls): Always move the
1179         __tls_get_addr call delay slot instruction forward 4 bytes when
1180         performing relaxation.
1181
1182 2011-10-18  Cary Coutant  <ccoutant@google.com>
1183
1184         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1185         (Output_file::map_no_anonymous): Check for non-zero
1186         return code from posix_fallocate.
1187
1188 2011-10-17  Cary Coutant  <ccoutant@google.com>
1189
1190         PR gold/13245
1191         * plugin.cc (is_visible_from_outside): Check for symbols
1192         referenced from dynamic objects.
1193         * resolve.cc (Symbol_table::resolve): Don't count references
1194         from dynamic objects as references from real ELF files.
1195         * testsuite/plugin_test_2.sh: Adjust expected result.
1196
1197 2011-10-17  Cary Coutant  <ccoutant@google.com>
1198
1199         * gold.cc: Include timer.h.
1200         (queue_middle_tasks): Stamp time.
1201         (queue_final_tasks): Likewise.
1202         * main.cc (main): Store timer in parameters.  Print timers
1203         for each pass.
1204         * parameters.cc (Parameters::Parameters): Initialize timer_.
1205         (Parameters::set_timer): New function.
1206         (set_parameters_timer): New function.
1207         * parameters.h (Parameters::set_timer): New function.
1208         (Parameters::timer): New function.
1209         (Parameters::timer_): New data member.
1210         (set_parameters_timer): New function.
1211         * timer.cc (Timer::stamp): New function.
1212         (Timer::get_pass_time): New function.
1213         * timer.h (Timer::stamp): New function.
1214         (Timer::get_pass_time): New function.
1215         (Timer::pass_times_): New data member.
1216
1217 2011-10-17  Cary Coutant  <ccoutant@google.com>
1218
1219         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1220         task for members of lib groups.
1221
1222 2011-10-17  Cary Coutant  <ccoutant@google.com>
1223
1224         PR gold/13288
1225         * fileread.cc (File_read::find_view): Add assert.
1226         (File_read::make_view): Move bounds check (replace with assert)...
1227         (File_read::find_or_make_view): ... to here.
1228
1229 2011-10-12  Cary Coutant  <ccoutant@google.com>
1230
1231         * output.cc (Output_file::open_base_file): Handle case where
1232         ::read returns less than requested size.
1233
1234 2011-10-10  Cary Coutant  <ccoutant@google.com>
1235
1236         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1237         Initialize defined_count_.
1238         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1239         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1240         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1241         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1242         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1243         * incremental.h (Sized_relobj_incr::defined_count_): New data
1244         member.
1245         (Sized_incr_dynobj::defined_count_): New data member.
1246         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1247         Return zeroes instead of internal error.
1248
1249 2011-10-10  Cary Coutant  <ccoutant@google.com>
1250
1251         PR gold/13249
1252         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1253         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1254         * output.h (class Output_reloc): Add use_plt_offset flag.
1255         (Output_reloc::type_): Adjust size of bit field.
1256         (Output_reloc::use_plt_offset_): New bit field.
1257         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1258         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1259         flag.  Adjust all callers.
1260         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1261         creating RELATIVE relocations.
1262
1263 2011-10-10  Nick Clifton  <nickc@redhat.com>
1264
1265         * po/es.po: Updated Spanish translation.
1266         * po/fi.po: Updated Finnish translation.
1267
1268 2011-10-03   Diego Novillo  <dnovillo@google.com>
1269
1270         * options.cc (parse_uint): Fix dereference of RETVAL.
1271
1272 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1273
1274         * layout.h (section_order_map_): New member.
1275         (get_section_order_map): New member function.
1276         * output.cc (Output_section::add_input_section): Check for patterns
1277         only when --section-ordering-file is specified.
1278         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1279         output_sections have been formed.
1280         * layout.cc (Layout_Layout): Initialize section_order_map_.
1281         * plugin.cc (update_section_order): Store order in order_map. Do not
1282         update the order.
1283         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1284         * testsuite/Makefile.in: Regenerate.
1285         * testsuite/plugin_section_order.c: New file.
1286         * testsuite/plugin_final_layout.cc: New file.
1287         * testsuite/plugin_final_layout.sh: New file.
1288
1289 2011-09-29  Cary Coutant  <ccoutant@google.com>
1290
1291         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1292         Check for NULL.
1293         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1294         symbols during incremental update.
1295         (Symbol_table::add_from_dynobj): Likewise.
1296
1297 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1298             Ian Lance Taylor  <iant@google.com>
1299
1300         * symtab.cc (Symbol_table::define_special_symbol): Always
1301         canonicalize version string.
1302
1303 2011-09-26  Cary Coutant  <ccoutant@google.com>
1304
1305         * gold.cc (queue_initial_tasks): Move option checks ...
1306         * options.cc (General_options::finalize): ... to here. Disable
1307         some options; make others fatal.
1308
1309 2011-09-26  Cary Coutant  <ccoutant@google.com>
1310
1311         gcc PR lto/47247
1312         * plugin.cc (get_symbols_v2): New function.
1313         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1314         (is_referenced_from_outside): New function.
1315         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1316         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1317         (get_symbols): Pass version parameter.
1318         (get_symbols_v2): New function.
1319         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1320         parameter.
1321         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1322         (onload): Add LDPT_GET_SYMBOLS_V2.
1323         (all_symbols_read_hook): Use get_symbols_v2; check for
1324         LDPR_PREVAILING_DEF_IRONLY_EXP.
1325         * testsuite/plugin_test_3.sh: Update expected results.
1326
1327 2011-09-23  Simon Baldwin  <simonb@google.com>
1328
1329         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1330         configuration options.
1331         * configure: Regenerate.
1332         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1333         * Makefile.in: Regenerate.
1334         * testsuite/Makefile.in: Regenerate.
1335
1336 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1337
1338         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1339
1340 2011-09-19  Cary Coutant  <ccoutant@google.com>
1341
1342         * incremental.cc (can_incremental_update): Fix typo in comment.
1343         * incremental.h (can_incremental_update): Likewise.
1344
1345 2011-09-18  Cary Coutant  <ccoutant@google.com>
1346
1347         * incremental.cc (can_incremental_update): New function.
1348         * incremental.h (can_incremental_update): New function.
1349         * layout.cc (Layout::init_fixed_output_section): Call it.
1350         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1351         * object.cc (Sized_relobj_file::do_layout): Call
1352         can_incremental_update.
1353
1354 2011-09-13  Cary Coutant  <ccoutant@google.com>
1355
1356         * configure.ac: Check for glibc support for gnu_indirect_function
1357         support with static linking, setting automake conditional
1358         IFUNC_STATIC.
1359         * Makefile.in: Regenerate.
1360         * configure: Regenerate.
1361
1362         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1363         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1364         for IFUNC_STATIC.
1365         * testsuite/Makefile.in: Regenerate.
1366
1367 2011-09-13  Cary Coutant  <ccoutant@google.com>
1368
1369         * incremental.cc (Sized_relobj_incr::do_layout): Call
1370         report_comdat_group for kept comdat sections.
1371         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1372         * testsuite/Makefile.in: Regenerate.
1373         * testsuite/incr_comdat_test_1.cc: New source file.
1374         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1375         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1376         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1377
1378 2011-09-13  Ian Lance Taylor  <iant@google.com>
1379
1380         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1381         variable external_symbols_offset.
1382
1383 2011-09-12  Ian Lance Taylor  <iant@google.com>
1384
1385         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1386         triggered if object has no symbols.
1387
1388 2011-09-09  David S. Miller  <davem@davemloft.net>
1389
1390         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1391         (Output_fill_debug_line::do_write): Likewise.
1392
1393 2011-08-29  Cary Coutant  <ccoutant@google.com>
1394
1395         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1396         casts to match formatting specs.
1397         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1398
1399 2011-08-26  Cary Coutant  <ccoutant@google.com>
1400
1401         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1402         remaining hole size when allocating.
1403         (Layout::make_output_section): Set fill methods for debug sections.
1404         * layout.h (Free_list::Free_list_node): Move from private to
1405         public.
1406         (Free_list::set_min_hole_size): New function.
1407         (Free_list::begin, Free_list::end): New functions.
1408         (Free_list::min_hole_): New data member.
1409         * output.cc: Include dwarf.h.
1410         (Output_fill_debug_info::do_minimum_hole_size): New function.
1411         (Output_fill_debug_info::do_write): New function.
1412         (Output_fill_debug_line::do_minimum_hole_size): New function.
1413         (Output_fill_debug_line::do_write): New function.
1414         (Output_section::Output_section): Initialize new data member.
1415         (Output_section::set_final_data_size): Ensure patch space is larger
1416         than minimum hole size.
1417         (Output_section::do_write): Fill holes in debug sections.
1418         * output.h (Output_fill): New class.
1419         (Output_fill_debug_info): New class.
1420         (Output_fill_debug_line): New class.
1421         (Output_section::set_free_space_fill): New function.
1422         (Output_section::free_space_fill_): New data member.
1423         * testsuite/Makefile.am (incremental_test_3): Add
1424         --incremental-patch option.
1425         (incremental_test_4): Likewise.
1426         (incremental_test_5): Likewise.
1427         (incremental_test_6): Likewise.
1428         (incremental_copy_test): Likewise.
1429         (incremental_common_test_1): Likewise.
1430         * testsuite/Makefile.in: Regenerate.
1431
1432 2011-08-26  Nick Clifton  <nickc@redhat.com>
1433
1434         * po/es.po: Updated Spanish translation.
1435
1436 2011-08-01  Cary Coutant  <ccoutant@google.com>
1437
1438         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1439         * gold/testsuite/Makefile.in: Regenerate.
1440         * gold/testsuite/justsyms_exec.c: New source file.
1441         * gold/testsuite/justsyms_lib.c: New source file.
1442
1443 2011-08-01  Cary Coutant  <ccoutant@google.com>
1444
1445         * layout.cc (Layout::set_segment_offsets): Don't realign text
1446         segment if -Ttext was specified.
1447         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1448         file type.
1449         * object.h (Sized_relobj_file::e_type): New function.
1450         (Sized_relobj_file::e_type_): New data member.
1451         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1452         base address for ET_EXEC files.
1453         * target.cc (Target::do_make_elf_object_implementation): Allow
1454         ET_EXEC files with --just-symbols option.
1455
1456 2011-07-28  Cary Coutant  <ccoutant@google.com>
1457
1458         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1459         Add thread_number parameter.
1460         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1461         * workqueue-threads.cc
1462         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1463         current thread if its thread number is greater than desired thread
1464         count.
1465         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1466         Add thread_number parameter.
1467         (Workqueue::should_cancel_thread): Likewise.
1468         (Workqueue::find_runnable_or_wait): Pass thread_number to
1469         should_cancel_thread.
1470         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1471         parameter.
1472
1473 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1474
1475         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1476         only after checking if it cannot be forced local.
1477         * symtab.h (is_externally_visible): Check if the symbol is not forced
1478         local.
1479
1480 2011-07-15  Ian Lance Taylor  <iant@google.com>
1481
1482         * options.h (class General_options): Add --print-output-format.
1483         Move -EL next to -EB, for  better --help output.
1484         * target-select.cc: Include <cstdio>, "options.h", and
1485         "parameters.h".
1486         (Target_selector::do_target_bfd_name): New function.
1487         (print_output_format): New function.
1488         * target-select.h (class Target_selector): Update declarations.
1489         (Target_selector::target_bfd_name): New function.
1490         (print_output_format): Declare.
1491         * main.cc: Include "target-select.h".
1492         (main): Handle --print-output-format.
1493         * gold.cc: Include "target-select.h".
1494         (queue_initial_tasks): Handle --print-output-format when there are
1495         no input files.
1496         * parameters.cc (parameters_force_valid_target): Give a better
1497         error message if -EB/-EL does not match target.
1498         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1499         function.
1500
1501 2011-07-15  Ian Lance Taylor  <iant@google.com>
1502
1503         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1504         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1505         (Output_data_plt_i386::do_write): Write address of .dynamic
1506         section to first entry in .got.plt section.
1507         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1508         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1509         Initialize layout_.
1510         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1511         section to first entry in .got.plt section.
1512         * layout.h (Layout::dynamic_section): New function.
1513
1514 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1515
1516         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1517         to claim_file call.
1518         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1519         input_section_position_, and input_section_glob_.
1520         (read_layout_from_file): Call function section_ordering_specified.
1521         * layout.h (is_section_ordering_specified): New function.
1522         (section_ordering_specified): New function.
1523         (section_ordering_specified_): New boolean member.
1524         * main.cc(main): Call load_plugins after layout object is defined.
1525         * output.cc (Output_section::add_input_section): Use
1526         function section_ordering_specified to check if section ordering is
1527         needed.
1528         * output.cc (Output_section::add_relaxed_input_section): Use
1529         function section_ordering_specified to check if section ordering is
1530         needed.
1531         (Output_section::update_section_layout): New function.
1532         (Output_section::sort_attached_input_sections): Check if input section
1533         must be reordered.
1534         * output.h (Output_section::update_section_layout): New function.
1535         * plugin.cc (get_section_count): New function.
1536         (get_section_type): New function.
1537         (get_section_name): New function.
1538         (get_section_contents): New function.
1539         (update_section_order): New function.
1540         (allow_section_ordering): New function.
1541         (Plugin::load): Add the new interfaces to the transfer vector.
1542         (Plugin_manager::load_plugins): New parameter.
1543         (Plugin_manager::all_symbols_read): New parameter.
1544         (Plugin_manager::claim_file): New parameter. Save the elf object for
1545         unclaimed objects.
1546         (Plugin_manager::get_elf_object): New function.
1547         (Plugin_manager::get_view): Change to directly use the bool to check
1548         if get_view is called from claim_file_hook.
1549         * plugin.h (input_objects): New function
1550         (Plugin__manager::load_plugins): New parameter.
1551         (Plugin_manager::claim_file): New parameter.
1552         (Plugin_manager::get_elf_object): New function.
1553         (Plugin_manager::in_claim_file_handler): New function.
1554         (Plugin_manager::in_claim_file_handler_): New member.
1555         (layout): New function.
1556         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1557         handler with an extra parameter. Make the elf object before calling
1558         claim_file handler.
1559         * testsuite/plugin_test.c (get_section_count): New function pointer.
1560         (get_section_type): New function pointer.
1561         (get_section_name): New function pointer.
1562         (get_section_contents): New function pointer.
1563         (update_section_order): New function pointer.
1564         (allow_section_ordering): New function pointer.
1565         (onload): Check if the new interfaces exist.
1566
1567 2011-07-13  Ian Lance Taylor  <iant@google.com>
1568
1569         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1570         relro section.
1571         * x86_64.cc (Target_x86_64::got_section): Likewise.
1572         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1573         (relro_now_test_SOURCES): New variable.
1574         (relro_now_test_DEPENDENCIES): New variable.
1575         (relro_now_test_LDFLAGS): New variable.
1576         (relro_now_test_LDADD): New variable.
1577         (relro_now_test.so): New target.
1578         * testsuite/Makefile.in: Rebuild.
1579
1580 2011-07-12  Ian Lance Taylor  <iant@google.com>
1581
1582         PR gold/12980
1583         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1584         GLOB_DAT relocation rather than a RELATIVE relocation for a
1585         protected symbol when creating a shared library.
1586         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1587         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1588         * testsuite/protected_main_1.cc (main): Test that protected
1589         function has same address.
1590
1591 2011-07-11  Ian Lance Taylor  <iant@google.com>
1592
1593         PR gold/12979
1594         * options.h (class General_options): Add -Bgroup.
1595         * options.cc (General_options::finalize): If -Bgroup is set,
1596         default to --unresolved-symbols=report-all.
1597         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1598         * target-reloc.h (issue_undefined_symbol_error): Handle
1599         --unresolved-symbols=report-all.
1600
1601 2011-07-08  Ian Lance Taylor  <iant@google.com>
1602
1603         PR gold/11985
1604         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1605         if linker script discards key sections.
1606         (Layout::create_dynamic_symtab): Likewise.
1607         (Layout::assign_local_dynsym_offsets): Likewise.
1608         (Layout::sized_create_version_sections): Likewise.
1609         (Layout::create_interp): Likewise.
1610         (Layout::finish_dynamic_section): Likewise.
1611         (Layout::set_dynamic_symbol_size): Likewise.
1612
1613 2011-07-08  Ian Lance Taylor  <iant@google.com>
1614
1615         PR gold/12386
1616         * options.h (class General_options): Add --unresolved-symbols.
1617         * target-reloc.h (issue_undefined_symbol_error): Check
1618         --unresolved-symbols.  Add comments.
1619
1620 2011-07-08  Ian Lance Taylor  <iant@google.com>
1621
1622         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1623         expression more complex.
1624
1625 2011-07-08  Ian Lance Taylor  <iant@google.com>
1626
1627         PR gold/11317
1628         * target-reloc.h (issue_undefined_symbol_error): New inline
1629         function, broken out of relocate_section.
1630         (relocate_section): Call issue_undefined_symbol_error.
1631         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1632         there is no TLS segment if we are about to issue an undefined
1633         symbol error.
1634         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1635
1636 2011-07-08  Ian Lance Taylor  <iant@google.com>
1637
1638         PR gold/12279
1639         * resolve.cc (Symbol_table::should_override): Add fromtype
1640         parameter.  Change all callers.  Give error when linking together
1641         TLS and non-TLS symbol.
1642         (Symbol_table::should_override_with_special): Add fromtype
1643         parameter.  Change all callers.
1644         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1645         there is no TLS segment if we have reported some errors.
1646         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1647
1648 2011-07-08  Ian Lance Taylor  <iant@google.com>
1649
1650         PR gold/12372
1651         * target.h (Target::plt_address_for_global): New function.
1652         (Target::plt_address_for_local): New function.
1653         (Target::plt_section_for_global): Remove.
1654         (Target::plt_section_for_local): Remove.
1655         (Target::do_plt_address_for_global): New virtual function.
1656         (Target::do_plt_address_for_local): New virtual function.
1657         (Target::do_plt_section_for_global): Remove.
1658         (Target::do_plt_section_for_local): Remove.
1659         (Target::register_global_plt_entry): Add Symbol_table and Layout
1660         parameters.
1661         * output.cc (Output_data_got::Got_entry::write): Use
1662         plt_address_for_global and plt_address_for_local.
1663         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1664         address of output section.
1665         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1666         got_irelative_, and irelative_count_ fields.  Update
1667         declarations.
1668         (Output_data_plt_i386::has_irelative_section): New function.
1669         (Output_data_plt_i386::entry_count): Add irelative_count_.
1670         (Output_data_plt_i386::set_final_data_size): Likewise.
1671         (class Target_i386): Add got_irelative_ and rel_irelative_
1672         fields.  Update declarations.
1673         (Target_i386::Target_i386): Initialize new fields.
1674         (Target_i386::do_plt_address_for_global): New function replacing
1675         do_plt_section_for_global.
1676         (Target_i386::do_plt_address_for_local): New function replacing
1677         do_plt_section_for_local.
1678         (Target_i386::got_section): Create got_irelative_.
1679         (Target_i386::rel_irelative_section): New function.
1680         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1681         fields.  Don't define __rel_iplt_{start,end}.
1682         (Output_data_plt_i386::add_entry): Add symtab and layout
1683         parameters.  Change all callers.  Use different PLT and GOT for
1684         IFUNC symbols.
1685         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1686         layout parameters.  Change all callers.  Use different PLT and
1687         GOT.
1688         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1689         (Output_data_plt_i386::rel_irelative): New function.
1690         (Output_data_plt_i386::address_for_global): New function.
1691         (Output_data_plt_i386::address_for_local): New function.
1692         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1693         IRELATIVE GOT when changing IFUNC GOT entries.
1694         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1695         reloc.
1696         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1697         if we didn't create an IRELATIVE GOT.
1698         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1699         plt_address_for_local.
1700         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1701         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1702         got_irelative_, and irelative_count_ fields.  Update
1703         declarations.
1704         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1705         Initialize new fields.  Remove symtab parameter.  Change all
1706         callers.
1707         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1708         irelative_count_.
1709         (Output_data_plt_x86_64::has_irelative_section): New function.
1710         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1711         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1712         fields.  Update declarations.
1713         (Target_x86_64::Target_x86_64): Initialize new fields.
1714         (Target_x86_64::do_plt_address_for_global): New function replacing
1715         do_plt_section_for_global.
1716         (Target_x86_64::do_plt_address_for_local): New function replacing
1717         do_plt_section_for_local.
1718         (Target_x86_64::got_section): Create got_irelative_.
1719         (Target_x86_64::rela_irelative_section): New function.
1720         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1721         all callers.  Don't create __rel_iplt_{start,end}.
1722         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1723         parameters.  Change all callers.  Use different PLT and GOT for
1724         IFUNC symbols.
1725         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1726         layout parameters.  Change all callers.  Use different PLT and
1727         GOT.
1728         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1729         parameters.  Change all callers.  Use different PLT and GOT for
1730         IFUNC symbols.
1731         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1732         (Output_data_plt_x86_64::rela_irelative): New function.
1733         (Output_data_plt_x86_64::address_for_global): New function.
1734         (Output_data_plt_x86_64::address_for_local): New function.
1735         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1736         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1737         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1738         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1739         parameters.
1740         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1741         reloc.
1742         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1743         symbols if we didn't create an IRELATIVE GOT.
1744         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1745         plt_address_for_local.
1746         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1747         * testsuite/ifuncvar1.c: New test file.
1748         * testsuite/ifuncvar2.c: New test file.
1749         * testsuite/ifuncvar3.c: New test file.
1750         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1751         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1752         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1753         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1754         * testsuite/Makefile.in: Rebuild.
1755
1756 2011-07-07  Cary Coutant  <ccoutant@google.com>
1757
1758         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1759         (two_file_test_1_ndebug.o): Likewise.
1760         (two_file_test_1b_ndebug.o): Likewise.
1761         (two_file_test_2_ndebug.o): Likewise.
1762         (two_file_test_main_ndebug.o): Likewise.
1763         (incremental_test_2): Link with no-debug versions.
1764
1765 2011-07-06  Cary Coutant  <ccoutant@google.com>
1766
1767         * gold/incremental.cc
1768         (Output_section_incremental_inputs::write_info_blocks): Check for
1769         hidden and internal symbols.
1770
1771 2011-07-06  Cary Coutant  <ccoutant@google.com>
1772
1773         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1774         Check disposition for startup file.
1775         (Incremental_inputs::report_command_line): Ignore
1776         --incremental-startup-unchanged option.
1777         * options.cc (General_options::parse_incremental_startup_unchanged):
1778         New function.
1779         (General_options::General_options): Initialize new data member.
1780         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1781         (General_options): Add --incremental-startup-unchanged option.
1782         (General_options::incremental_startup_disposition): New function.
1783         (General_options::incremental_startup_disposition_): New data member.
1784
1785 2011-07-06  Cary Coutant  <ccoutant@google.com>
1786
1787         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1788         input file index to Script_info ctor.
1789         (Sized_incremental_binary::do_file_has_changed): Find the
1790         command-line argument for files named in scripts.
1791         * incremental.h (Script_info::Script_info): New ctor
1792         with input file index.
1793         (Script_info::input_file_index): New function.
1794         (Script_info::input_file_index_): New data member.
1795         (Incremental_binary::get_library): Add const.
1796         (Incremental_binary::get_script_info): Add const.
1797         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1798         * testsuite/Makefile.am (incremental_test_5): New test case.
1799         (incremental_test_6): New test case.
1800         * testsuite/Makefile.in: Regenerate.
1801
1802 2011-07-06  Cary Coutant  <ccoutant@google.com>
1803
1804         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1805         debug output when command lines differ.
1806
1807 2011-07-06  Cary Coutant  <ccoutant@google.com>
1808
1809         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1810         --incremental-patch option.
1811         * layout.cc (Free_list::allocate): Extend allocation beyond original
1812         end if enabled.
1813         (Layout::make_output_section): Mark sections that should get
1814         patch space.
1815         * options.cc (parse_percent): New function.
1816         * options.h (parse_percent): New function.
1817         (DEFINE_percent): New macro.
1818         (General_options): Add --incremental-patch option.
1819         * output.cc (Output_section::Output_section): Initialize new data
1820         members.
1821         (Output_section::add_input_section): Print section name when out
1822         of patch space.
1823         (Output_section::add_output_section_data): Likewise.
1824         (Output_section::set_final_data_size): Add patch space when
1825         doing --incremental-full.
1826         (Output_section::do_reset_address_and_file_offset): Remove patch
1827         space.
1828         (Output_segment::set_section_list_addresses): Print debug output
1829         only if --incremental-update.
1830         * output.h (Output_section::set_is_patch_space_allowed): New function.
1831         (Output_section::is_patch_space_allowed_): New data member.
1832         (Output_section::patch_space_): New data member.
1833         * parameters.cc (Parameters::incremental_full): New function.
1834         * parameters.h (Parameters::incremental_full): New function
1835         * testsuite/Makefile.am (incremental_test_2): Add test for
1836         --incremental-patch option.
1837         * testsuite/Makefile.in: Regenerate.
1838         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1839         (t18): Remove function body.
1840
1841 2011-07-05  Doug Kwan  <dougkwan@google.com>
1842
1843         PR gold/12771
1844         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1845         Arm_Address type for relocation result.
1846         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1847         overflow check.
1848         (Arm_relocate_functions::abs32): Use unaligned access.
1849         (Arm_relocate_functions::rel32): Ditto.
1850         (Arm_relocate_functions::prel31): Ditto.
1851         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1852         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1853         static data relocations.
1854         * testsuite/Makefile.in: Regnerate.
1855         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1856
1857 2011-07-05  Ian Lance Taylor  <iant@google.com>
1858
1859         PR gold/12392
1860         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1861         symbols if necessary.
1862         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1863
1864 2011-07-05  Ian Lance Taylor  <iant@google.com>
1865
1866         PR gold/12952
1867         * resolve.cc (Symbol::override_base_with_special): Simply override
1868         version with special symbol version, ignoring previous version.
1869
1870 2011-07-05  Ian Lance Taylor  <iant@google.com>
1871
1872         * object.cc (Sized_relobj_file::include_section_group): Add
1873         information to comment about signature location.
1874
1875 2011-07-02  Ian Lance Taylor  <iant@google.com>
1876
1877         PR gold/12957
1878         * options.h (class General_options): Add -f and -F.
1879         * options.cc (General_options::finalize): Fatal error if -f/-F
1880         are used without -shared.
1881         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1882
1883 2011-07-02  Ian Lance Taylor  <iant@google.com>
1884
1885         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1886
1887 2011-07-01  Ian Lance Taylor  <iant@google.com>
1888
1889         PR gold/12525
1890         PR gold/12952
1891         * resolve.cc (Symbol::override_base_with_special): Don't override
1892         the version if the overriding symbol has a different name.
1893         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1894         all callers.  If we give an error about an undefined version,
1895         define the base version if necessary.
1896         * dynobj.h (class Versions): Update declaration.
1897         * testsuite/weak_alias_test_5.cc: New file.
1898         * testsuite/weak_alias_test.script: New file.
1899         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1900         and versioned_alias have the right value, and call t2.
1901         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1902         weak_alias_test_5.so.
1903         (weak_alias_test_LDADD): Likewise.
1904         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1905         * testsuite/Makefile.in: Rebuild.
1906
1907 2011-07-01  Ian Lance Taylor  <iant@google.com>
1908
1909         PR gold/12525
1910         * options.h (class General_options): Support -z notext.
1911         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1912         -Wl,-z,notext.
1913         (two_file_shared_nonpic.so): Likewise.
1914         (two_file_shared_mixed.so): Likewise.
1915         (two_file_shared_mixed_1.so): Likewise.
1916         (weak_undef_lib_nonpic.so): Likewise.
1917         (alt/weak_undef_lib_nonpic.so): Likewise.
1918         (tls_test_shared_nonpic.so): Likewise.
1919         * testsuite/Makefile.in: Rebuild.
1920
1921 2011-07-01  Ian Lance Taylor  <iant@google.com>
1922
1923         PR gold/12525
1924         * configure.ac: Test whether static linking works, setting
1925         the automake conditional HAVE_STATIC.
1926         * testsuite/Makefile.am: Disable tests using -static if
1927         HAVE_STATIC is not true.
1928         * configure, testsuite/Makefile.in: Rebuild.
1929
1930 2011-07-01  Ian Lance Taylor  <iant@google.com>
1931
1932         PR gold/12525
1933         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1934         Assert if we see DW_EH_PE_indirect.
1935         * target.h (Target::ehframe_datarel_base): New function.
1936         (Target::do_ehframe_datarel_base): New target function.
1937         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1938         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1939         function.
1940
1941 2011-07-01  Ian Lance Taylor  <iant@google.com>
1942
1943         PR gold/12571
1944         * options.h (class General_options): Add
1945         --ld-generated-unwind-info.
1946         * ehframe.cc (Fde::write): Add address parameter.  Change all
1947         callers.  If associated with PLT, fill in address and size.
1948         (Cie::set_output_offset): Only add merge mapping if there is an
1949         object.
1950         (Cie::write): Add address parameter.  Change all callers.
1951         (Eh_frame::add_ehframe_for_plt): New function.
1952         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1953         input_offset_ fields into union u_, with new plt field.
1954         (Fde::Fde): Adjust for new union field.
1955         (Fde::Fde) [Output_data version]: New constructor.
1956         (Fde::add_mapping): Only add merge mapping if there is an object.
1957         (class Cie): Update declarations.
1958         (class Eh_frame): Declare add_ehframe_for_plt.
1959         * layout.cc (Layout::layout_eh_frame): Break out code into
1960         make_eh_frame_section, and call it.
1961         (Layout::make_eh_frame_section): New function.
1962         (Layout::add_eh_frame_for_plt): New function.
1963         * layout.h (class Layout): Update declarations.
1964         * merge.cc (Merge_map::add_mapping): Add assertion.
1965         * i386.cc: Include "dwarf.h".
1966         (class Output_data_plt_i386): Make first_plt_entry,
1967         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1968         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1969         and plt_eh_frame_fde.
1970         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1971         boundary.  Call add_eh_frame_for_plt if appropriate.
1972         * x86_64.cc: Include "dwarf.h".
1973         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1974         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1975         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1976         and plt_eh_frame_fde.
1977         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1978         appropriate.
1979
1980 2011-06-29  Ian Lance Taylor  <iant@google.com>
1981
1982         PR gold/12629
1983         * object.cc (Sized_relobj_file::layout_section): Change shdr
1984         parameter to be const.
1985         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1986         out of do_layout.
1987         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1988         appropriate.  Call layout_eh_frame_section.
1989         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1990         sections.
1991         * object.h (class Sized_relobj_file): Update declarations.
1992
1993 2011-06-29  Ian Lance Taylor  <iant@google.com>
1994
1995         PR gold/12652
1996         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1997         modifier.
1998         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1999
2000 2011-06-29  Ian Lance Taylor  <iant@google.com>
2001
2002         PR gold/12675
2003         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2004         SHT_X86_64_UNWIND.
2005         * layout.cc (Layout::layout_eh_frame): Likewise.
2006
2007 2011-06-29  Ian Lance Taylor  <iant@google.com>
2008
2009         PR gold/12695
2010         * layout.cc (Layout::symtab_section_shndx): New function.
2011         * layout.h (class Layout): Declare symtab_section_shndx.
2012         * output.cc (Output_section::write_header): Call it.
2013
2014 2011-06-29  Ian Lance Taylor  <iant@google.com>
2015
2016         PR gold/12818
2017         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2018         symbols which are not used in a relocation.
2019
2020 2011-06-28  Ian Lance Taylor  <iant@google.com>
2021
2022         PR gold/12898
2023         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2024         script create indistinguishable segments.
2025         (Layout::set_segment_offsets): Use stable_sort when sorting
2026         segments.  Pass this to Compare_segments constructor.
2027         * layout.h (class Layout): Make segment_precedes non-static.
2028         (class Compare_segments): Change from struct to class.  Add
2029         layout_ field.  Add constructor.
2030         * script-sections.cc
2031         (Script_sections::attach_sections_using_phdrs_clause): Rename
2032         local orphan to is_orphan.  Don't report failure to put empty
2033         section in segment.  On attachment failure, report name of
2034         section, and attach to first PT_LOAD segment.
2035
2036 2011-06-28  Ian Lance Taylor  <iant@google.com>
2037
2038         PR gold/12934
2039         * target-select.cc (Target_selector::Target_selector): Add
2040         emulation parameter.  Change all callers.
2041         (select_target_by_bfd_name): Rename from select_target_by_name.
2042         Change all callers.
2043         (select_target_by_emulation): New function.
2044         (supported_emulation_names): New function.
2045         * target-select.h (class Target_selector): Add emulation_ field.
2046         Update declarations.
2047         (Target_selector::recognize_by_bfd_name): Rename from
2048         recognize_by_name.  Change all callers.
2049         (Target_selector::supported_bfd_names): Rename from
2050         supported_names.  Change all callers.
2051         (Target_selector::recognize_by_emulation): New function.
2052         (Target_selector::supported_emulations): New function.
2053         (Target_selector::emulation): New function.
2054         (Target_selector::do_recognize_by_bfd_name): Rename from
2055         do_recognize_by_name.  Change all callers.
2056         (Target_selector::do_supported_bfd_names): Rename from
2057         do_supported_names.  Change all callers.
2058         (Target_selector::do_recognize_by_emulation): New function.
2059         (Target_selector::do_supported_emulations): New function.
2060         (select_target_by_bfd_name): Change name in declaration.
2061         (select_target_by_emulation): Declare.
2062         (supported_emulation_names): Declare.
2063         * parameters.cc (parameters_force_valid_target): Try to find
2064         target based on emulation from -m option.
2065         * options.h (class General_options): Change doc string for -m.
2066         * options.cc (help): Print emulations.
2067         (General_options::parse_V): Likewise.
2068         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2069         Add emulation parameter.  Change all callers.
2070
2071 2011-06-28  Ian Lance Taylor  <iant@google.com>
2072
2073         * target.h (class Target): Add osabi_ field.
2074         (Target::osabi): New function.
2075         (Target::set_osabi): New function.
2076         (Target::Target): Initialize osabi_.
2077         (Target::do_adjust_elf_header): Make pure virtual.
2078         (Sized_target::do_adjust_elf_header): Declare.
2079         * target.cc (Sized_target::do_adjust_elf_header): New function.
2080         (class Sized_target): Instantiate all versions.
2081         * freebsd.h (class Target_freebsd): Remove.
2082         (Target_selector_freebsd::do_recognize): Call set_osabi on
2083         Target.
2084         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2085         (Target_selector_freebsd::set_osabi): Remove.
2086         * i386.cc (class Target_i386): Inherit from Sized_target rather
2087         than Target_freebsd.
2088         * x86_64.cc (class Target_x86_64): Likewise.
2089
2090 2011-06-28  Ian Lance Taylor  <iant@google.com>
2091
2092         * target.h (Target::can_check_for_function_pointers): Rewrite.
2093         Make non-virtual.
2094         (Target::can_icf_inline_merge_sections): Likewise.
2095         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2096         (Target::Target_info): Add can_icf_inline_merge_sections field.
2097         (Target::do_can_check_for_function_pointers): New virtual
2098         function.
2099         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2100         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2101         from can_check_for_function_pointers, move in file.
2102         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2103         section_may_have_icf_unsafe_poineters, move in file.
2104         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2105         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2106         Rename from can_check_for_function_pointers, move in file.
2107         (Target_i386::can_icf_inline_merge_sections): Remove.
2108         (Target_i386::i386_info): Initialize
2109         can_icf_inline_merge_sections.
2110         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2111         Initialize can_icf_inline_merge_sections.
2112         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2113         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2114         Rename from can_check_for_function_pointers, move in file.
2115         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2116         (Target_x86_64::x86_64_info): Initialize
2117         can_icf_inline_merge_sections.
2118         * testsuite/testfile.cc (Target_test::test_target_info):
2119         Likewise.
2120         * icf.cc (get_section_contents): Correct formatting.
2121
2122 2011-06-27  Ian Lance Taylor  <iant@google.com>
2123
2124         * symtab.cc (Symbol::versioned_name): New function.
2125         (Symbol_table::add_to_final_symtab): Use versioned_name when
2126         appropriate.
2127         (Symbol_table::sized_write_symbol): Likewise.
2128         * symtab.h (class Symbol): Declare versioned_name.
2129         * stringpool.h (class Stringpool_template): Add variant of add
2130         which takes a std::basic_string.
2131         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2132         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2133         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2134         (ver_test_12.o): New target.
2135         * testsuite/Makefile.in: Rebuild.
2136
2137 2011-06-27  Doug Kwan  <dougkwan@google.com>
2138
2139         * arm.cc (Arm_relocate_functions::thm_jump8,
2140         Arm_relocate_functions::thm_jump11): Use a wider signed
2141         type to compute offset.
2142         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2143         arm_thm_jump8.
2144         * testsuite/Makefile.in: Regenerate.
2145         * testsuite/arm_branch_in_range.sh: Check test results of
2146         arm_thm_jump11 and arm_thm_jump8.
2147         * testsuite/arm_thm_jump11.s: New test source file.
2148         * testsuite/arm_thm_jump11.t: New linker script.
2149         * testsuite/arm_thm_jump8.s: New test source file.
2150         * testsuite/arm_thm_jump8.t: New linker script.
2151
2152 2011-06-24  Ian Lance Taylor  <iant@google.com>
2153
2154         * layout.cc: Include "object.h".
2155         (ctors_sections_in_init_array): New static variable.
2156         (Layout::is_ctors_in_init_array): New function.
2157         (Layout::layout): Add entry to ctors_sections_in_init_array if
2158         appropriate.
2159         * layout.h (class Layout): Declare is_ctors_in_init_array.
2160         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2161         is_ctors_reverse_view is set.
2162         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2163         all callers.  Set is_ctors_reverse_view field of View_size.
2164         (Sized_relobj_file::reverse_words): New function.
2165         * object.h (Sized_relobj_file::View_size): Add
2166         is_ctors_reverse_view field.
2167         (class Sized_relobj_file): Update declarations.
2168         * testsuite/initpri3.c: New test.
2169         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2170         initpri3b.
2171         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2172         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2173         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2174         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2175         * testsuite/Makefile.in: Rebuild.
2176
2177 2011-06-24  Cary Coutant  <ccoutant@google.com>
2178
2179         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2180         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2181         (debug_msg_cdebug.err): New targets.
2182         * testsuite/Makefile.in: Regenerate.
2183         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2184         Fix checks for link with shared library.
2185
2186 2011-06-24  Doug Kwan  <dougkwan@google.com>
2187
2188         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2189         skip empty text sections.
2190         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2191
2192 2011-06-22  Ian Lance Taylor  <iant@google.com>
2193
2194         PR gold/12910
2195         * options.h (class General_options): Add --ctors-in-init-array.
2196         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2197         friends as SHT_PROGBITS for merging sections.
2198         (Layout::layout): Remove special handling of .init_array and
2199         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2200         and .dtors if ctors_in_init_array.
2201         (Layout::make_output_section): Force correct section types for
2202         .init_array and friends.  Don't sort if doing relocatable link,
2203         Don't sort .ctors and .dtors if ctors_in_init_array.
2204         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2205         (Layout::output_section_name): Add relobj parameter.  Change all
2206         callers.  Handle .ctors. and .dtors. in code rather than table.
2207         Handle .ctors and .dtors if ctors_in_init_array.
2208         (Layout::match_file_name): New function, moved from output.cc.
2209         * layout.h (class Layout): Update declarations.
2210         * output.cc: Include "layout.h".
2211         (Input_section_sort_entry::get_priority): New function.
2212         (Input_section_sort_entry::match_file_name): Just call
2213         Layout::match_file_name.
2214         (Output_section::Input_section_sort_init_fini_compare::operator()):
2215         Handle .ctors and .dtors.  Sort by explicit priority rather than
2216         by name.
2217         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2218         * testsuite/initpri2.c: New test.
2219         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2220         (check_PROGRAMS): Add initpri2.
2221         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2222         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2223         * configure, testsuite/Makefile.in: Rebuild.
2224
2225 2011-06-19  Ian Lance Taylor  <iant@google.com>
2226
2227         PR gold/12880
2228         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2229         .interp section to a PT_INTERP segment even if we have seen a
2230         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2231         clause in a linker script.
2232         (Layout::finalize): Don't create a .interp section if we've
2233         already create a PT_INTERP segment.
2234         (Layout::create_interp): Always call choose_output_section (revert
2235         patch of 2011-06-17).  Don't create PT_INTERP segment.
2236         * script-sections.cc
2237         (Script_sections::create_note_and_tls_segments): Add a .interp
2238         section to a PT_INTERP segment even if we have seen a
2239         --dynamic-linker option.
2240
2241 2011-06-18  Ian Lance Taylor  <iant@google.com>
2242
2243         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2244         merely because a non-PT_LOAD segment has a dynamic reloc.
2245
2246 2011-06-18  Ian Lance Taylor  <iant@google.com>
2247
2248         * layout.cc (Layout::finish_dynamic_section): Don't create
2249         DT_FLAGS entry if not needed.
2250
2251 2011-06-18  Ian Lance Taylor  <iant@google.com>
2252
2253         PR gold/12745
2254         * layout.cc (Layout::layout_eh_frame): Correct handling of
2255         writable .eh_frame section.
2256
2257 2011-06-17  Ian Lance Taylor  <iant@google.com>
2258
2259         PR gold/12893
2260         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2261         symbol is redefined with the exact same object and value.
2262
2263 2011-06-17  Ian Lance Taylor  <iant@google.com>
2264
2265         PR gold/12880
2266         * layout.h (class Layout): Add interp_segment_ field.
2267         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2268         (Layout::attach_allocated_section_to_segment): If making shared
2269         library, put .interp section in PT_INTERP segment.
2270         (Layout::finalize): Also call create_interp if -dynamic-linker
2271         option was used.
2272         (Layout::create_interp): Assert that there is no PT_INTERP
2273         segment.  If not using a SECTIONS clause, use make_output_section.
2274         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2275         * script-sections.cc
2276         (Script_sections::create_note_and_tls_segments): If making shared
2277         library, put .interp section in PT_INTERP segment.
2278
2279 2011-06-17  Ian Lance Taylor  <iant@google.com>
2280
2281         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2282         when making a shared library.
2283
2284 2011-06-17  Ian Lance Taylor  <iant@google.com>
2285
2286         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2287         parameter.  Change all callers.  Don't issue warning about PC32
2288         against locally defined symbol.
2289
2290 2011-06-16  Ian Lance Taylor  <iant@google.com>
2291
2292         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2293         occurs in same object.
2294
2295 2011-06-14  Alan Modra  <amodra@gmail.com>
2296
2297         * po/POTFILES.in: Regenerate.
2298
2299 2011-06-09  Ian Lance Taylor  <iant@google.com>
2300
2301         * script-sections.cc
2302         (Orphan_output_section::set_section_addresses): For a relocatable
2303         link set address to 0.
2304
2305 2011-06-09  Cary Coutant  <ccoutant@google.com>
2306
2307         PR gold/12804
2308         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2309         used with --compress-debug-sections.
2310         * gold/object.cc (Sized_relobj_file::do_layout): Report
2311         uncompressed size of compressed input sections.
2312
2313 2011-06-08  Cary Coutant  <ccoutant@google.com>
2314
2315         PR gold/12804
2316         * testsuite/two_file_test_2_v1.cc: Change initialization of
2317         v2 to keep it in .data.
2318
2319 2011-06-07  Cary Coutant  <ccoutant@google.com>
2320
2321         * common.cc (Symbol_table::do_allocate_commons_list): Call
2322         gold_fallback.
2323         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2324         (Errors::fallback): New function.
2325         (gold_fallback): New function.
2326         * errors.h (Errors::fallback): New function.
2327         * gold.cc (gold_exit): Change status parameter to enum; adjust
2328         all callers.
2329         (queue_initial_tasks): Call gold_fallback.
2330         * gold.h: Include cstdlib.
2331         (Exit_status): New enum type.
2332         (gold_exit): Change status parameter to enum.
2333         (gold_fallback): New function.
2334         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2335         (Layout::create_symtab_sections): Likewise.
2336         (Layout::create_shdrs): Likewise.
2337         * main.cc (main): Adjust call to gold_exit.
2338         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2339         (Output_data_got::add_got_entry_pair): Likewise.
2340         (Output_section::add_input_section): Likewise.
2341         (Output_section::add_output_section_data): Likewise.
2342         (Output_segment::set_section_list_addresses): Likewise.
2343         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2344
2345 2011-06-07  Cary Coutant  <ccoutant@google.com>
2346
2347         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2348         for incremental links.
2349         * output.cc (Output_segment::set_section_list_addresses): Remove
2350         FIXME and test for TLS or BSS.
2351
2352 2011-06-07  Cary Coutant  <ccoutant@google.com>
2353
2354         * testsuite/Makefile.am: Add incremental_copy_test,
2355         incremental_common_test_1.
2356         * testsuite/Makefile.in: Regenerate.
2357         * testsuite/common_test_1_v1.c: New source file.
2358         * testsuite/common_test_1_v2.c: New source file.
2359         * testsuite/copy_test_v1.cc: New source file.
2360
2361 2011-06-07  Cary Coutant  <ccoutant@google.com>
2362
2363         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2364         update, allocate common from bss section's free list.
2365         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2366         linker-defined symbols.
2367         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2368         Skip GOT and PLT entries that are no longer referenced.
2369         (Output_section_incremental_inputs::write_info_blocks): Mark
2370         linker-defined symbols.
2371         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2372         * output.cc (Output_section::allocate): New function.
2373         * output.h (Output_section::allocate): New function.
2374         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2375         linker-defined symbols.
2376         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2377         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2378         (Symbol::init_base_output_data): Likewise.
2379         (Symbol::init_base_output_segment): Likewise.
2380         (Symbol::init_base_constant): Likewise.
2381         (Sized_symbol::init_output_data): Likewise.
2382         (Sized_symbol::init_output_segment): Likewise.
2383         (Sized_symbol::init_constant): Likewise.
2384         (Symbol_table::do_define_in_output_data): Likewise.
2385         (Symbol_table::do_define_in_output_segment): Likewise.
2386         (Symbol_table::do_define_as_constant): Likewise.
2387         * symtab.h (Symbol::is_predefined): New function.
2388         (Symbol::init_base_output_data): Add is_predefined parameter.
2389         (Symbol::init_base_output_segment): Likewise.
2390         (Symbol::init_base_constant): Likewise.
2391         (Symbol::is_predefined_): New data member.
2392         (Sized_symbol::init_output_data): Add is_predefined parameter.
2393         (Sized_symbol::init_output_segment): Likewise.
2394         (Sized_symbol::init_constant): Likewise.
2395         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2396
2397 2011-06-07  Cary Coutant  <ccoutant@google.com>
2398
2399         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2400         instead of emit_copy_reloc.
2401         (Copy_relocs::emit_copy_reloc): Refactor.
2402         (Copy_relocs::make_copy_reloc): New function.
2403         (Copy_relocs::add_copy_reloc): Remove.
2404         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2405         section.
2406         (Copy_relocs::make_copy_reloc): New function.
2407         (Copy_relocs::add_copy_reloc): Remove.
2408         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2409         unchanged input files.
2410         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2411         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2412         Reserve BSS space for COPY relocations.
2413         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2414         (Output_section_incremental_inputs::write_info_blocks): Record
2415         whether a symbol is copied from a shared object.
2416         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2417         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2418         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2419         (Incremental_input_entry_reader::get_output_symbol_index): Add
2420         is_copy parameter.
2421         (Incremental_binary::emit_copy_relocs): New function.
2422         (Incremental_binary::do_emit_copy_relocs): New function.
2423         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2424         new data member.
2425         (Sized_incremental_binary::add_copy_reloc): New function.
2426         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2427         (Sized_incremental_binary::Copy_reloc): New struct.
2428         (Sized_incremental_binary::Copy_relocs): New typedef.
2429         (Sized_incremental_binary::copy_relocs_): New data member.
2430         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2431         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2432         * target.h (Sized_target::emit_copy_reloc): New function.
2433         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2434
2435 2011-06-02  Cary Coutant  <ccoutant@google.com>
2436
2437         PR gold/12163
2438         * gold/archive.cc (Archive::Archive): Initialize new data member.
2439         (Archive::include_all_members): Return if archive has already been
2440         included.
2441         * gold/archive.h (Archive::include_all_members_): New data member.
2442
2443 2011-06-02  Nick Clifton  <nickc@redhat.com>
2444
2445         * dynobj.h: Fix spelling mistake in comment.
2446         * output.cc: Likewise.
2447
2448 2011-05-31  Doug Kwan  <dougkwan@google.com>
2449             Asier Llano
2450
2451         PR gold/12826
2452         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2453         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2454         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2455         redundant arm_exidx_test.so.
2456         * testsuite/Makefile.in: Regenerate.
2457         (check_SCRIPTS): Add pr12826.sh
2458         (check_DATA): Add pr12826.stdout
2459         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2460         * testsuite/pr12826.sh: New file.
2461         * testsuite/pr12826_1.s: Ditto.
2462         * testsuite/pr12826_1.s: Ditto.
2463
2464 2011-05-30  Ian Lance Taylor  <iant@google.com>
2465
2466         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2467         sections.
2468
2469 2011-05-29  Ian Lance Taylor  <iant@google.com>
2470
2471         PR gold/12804
2472         * testsuite/Makefile.am: Use different file name for two_file_test
2473         temporary file for each incremental test.
2474         * testsuite/Makefile.in: Rebuild.
2475
2476 2011-05-29  Ian Lance Taylor  <iant@google.com>
2477
2478         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2479         binary input file is empty.
2480
2481 2011-05-27  Ian Lance Taylor  <iant@google.com>
2482
2483         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2484         (ver_test_9.so): Likewise.
2485         * testsuite/Makefile.in: Rebuild.
2486
2487 2011-05-26 Cary Coutant  <ccoutant@google.com>
2488
2489         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2490         * incremental.cc (Incremental_inputs::report_input_section): Fix
2491         comment, indentation.
2492         (Incremental_inputs::report_comdat_group): New function.
2493         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2494         of data for incremental input file entry.
2495         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2496         group count, COMDAT group signatures.
2497         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2498         an unchanged input file.
2499         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2500         Initialize new data member.
2501         (Incremental_object_entry::add_comdat_group): New function.
2502         (Incremental_object_entry::get_comdat_group_count): New function.
2503         (Incremental_object_entry::get_comdat_signature_key): New function.
2504         (Incremental_object_entry::groups_): New data member.
2505         (Incremental_inputs::report_comdat_group): New function.
2506         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2507         data for incremental input file entry.
2508         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2509         (Incremental_input_entry_reader::get_input_section): Adjust size of
2510         data for incremental input file entry.
2511         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2512         (Incremental_input_entry_reader::get_comdat_group_signature): New
2513         function.
2514         * object.cc (Sized_relobj::include_section_group): Report kept
2515         COMDAT groups for incremental links.
2516
2517 2011-05-24  David Meyer  <pdox@google.com>
2518
2519         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2520         with name parameter.  Add found_name parameter.
2521         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2522         * dirsearch.h (class Dirsearch): Update declaration.
2523
2524 2011-05-24  Ian Lance Taylor  <iant@google.com>
2525
2526         * archive.cc (Library_base::should_include_member): Pull in object
2527         from archive if it defines the entry symbol.
2528         * parameters.cc (Parameters::entry): New function.
2529         * parameters.h (class Parameters): Declare entry.
2530         * output.h (class Output_file_header): Remove entry_ field.
2531         * output.cc (Output_file_header::Output_file_header): Remove entry
2532         parameter.  Change all callers.
2533         (Output_file_header::entry): Use parameters->entry.
2534         * gold.cc (queue_middle_tasks): Likewise.
2535         * plugin.cc (Plugin_hook::run): Likewise.
2536
2537 2011-05-24 Cary Coutant  <ccoutant@google.com>
2538
2539         * gold.cc (queue_initial_tasks): Pass incremental base filename
2540         to Output_file::open_base_file; don't print error message.
2541         * incremental-dump.cc (main): Adjust call to
2542         Output_file::open_for_modification.
2543         * incremental-dump.cc (main): Likewise.
2544         * incremental.cc (Incremental_inputs::report_command_line):
2545         Ignore --incremental-base option when comparing command lines.
2546         Ignore parameter when given as separate argument.
2547         * options.h (class General_options): Add --incremental-base.
2548         * output.cc (Output_file::Output_file):
2549         (Output_file::open_base_file): Add base_name and writable parameters;
2550         read base file into new file; print error message here.
2551         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2552         callers.
2553         * output.h (Output_file::open_for_modification): Rename to...
2554         (Output_file::open_base_file): ...this; add base_name and
2555         writable parameters; adjust all callers.
2556         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2557         callers.
2558         * testsuite/Makefile.am (incremental_test_4): Test
2559         --incremental-base.
2560         * testsuite/Makefile.in: Regenerate.
2561
2562 2011-05-24 Cary Coutant  <ccoutant@google.com>
2563
2564         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2565         incremental_test_4.
2566         * testsuite/Makefile.in: Regenerate.
2567         * testsuite/two_file_test_1_v1.cc: New test source file.
2568         * testsuite/two_file_test_1b_v1.cc: New test source file.
2569         * testsuite/two_file_test_2_v1.cc: New test source file.
2570
2571 2011-05-24 Cary Coutant  <ccoutant@google.com>
2572
2573         * dynobj.h (Dynobj::do_dynobj): New function.
2574         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2575         flag and soname for shared objects.
2576         * incremental.cc (Incremental_inputs::report_object): Make
2577         either Incremental_object_entry or Incremental_dynobj_entry; add
2578         soname to string table.
2579         (Incremental_inputs::report_input_section): Add assertion.
2580         (Output_section_incremental_inputs::set_final_data_size): Adjust
2581         type of input file entry for shared libraries; adjust size of
2582         shared library info entry.
2583         (Output_section_incremental_inputs::write_input_files): Write
2584         as_needed flag for shared libraries.
2585         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2586         of input file entry for shared libraries; write soname.
2587         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2588         soname from incremental info.
2589         * incremental.h (enum Incremental_input_flags): Add
2590         INCREMENTAL_INPUT_AS_NEEDED.
2591         (Incremental_input_entry::Incremental_input_entry): Initialize new
2592         data member.
2593         (Incremental_input_entry::set_as_needed): New function.
2594         (Incremental_input_entry::as_needed): New function.
2595         (Incremental_input_entry::do_dynobj_entry): New function.
2596         (Incremental_input_entry::as_needed_): New data member.
2597         (Incremental_object_entry::Incremental_object_entry): Don't check
2598         for shared library.
2599         (Incremental_object_entry::do_type): Likewise.
2600         (class Incremental_dynobj_entry): New class.
2601         (Incremental_input_entry_reader::as_needed): New function.
2602         (Incremental_input_entry_reader::get_soname): New function.
2603         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2604         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2605         size of shared library info entry.
2606         * layout.cc (Layout::finish_dynamic_section): Don't test for
2607         incremental link when adding DT_NEEDED entries.
2608         * object.h (Object::Object): Initialize new data member.
2609         (Object::dynobj): New function.
2610         (Object::set_as_needed): New function.
2611         (Object::as_needed): New function.
2612         (Object::do_dynobj): New function.
2613         (Object::as_needed_): New data member.
2614
2615 2011-05-24 Cary Coutant  <ccoutant@google.com>
2616
2617         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2618         info; adjust display of GOT entries.
2619         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2620         vector of input objects; remove file_status_.
2621         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2622         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2623         got_plt reader; call target hooks to reserve GOT entries.
2624         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2625         of input file info header and GOT info entry.
2626         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2627         relocation info.
2628         (Got_plt_view_info::got_descriptor): Remove.
2629         (Got_plt_view_info::sym_index): New data member.
2630         (Got_plt_view_info::input_index): New data member.
2631         (Local_got_offset_visitor::visit): Write input file index.
2632         (Global_got_offset_visitor::visit): Write 0 for input file index.
2633         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2634         with sym_index and input_index.
2635         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2636         incremental info GOT entry; replace got_descriptor with input_index.
2637         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2638         map from input file index to object.
2639         (Sized_relobj_incr::do_layout): Replace direct data member reference
2640         with accessor function.
2641         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2642         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2643         Adjust size of input file info header.
2644         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2645         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2646         (Incremental_input_entry_reader::get_input_section): Adjust size of
2647         input file info header.
2648         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2649         of incremental info GOT entry.
2650         (Incremental_got_plt_reader::get_got_desc): Remove.
2651         (Incremental_got_plt_reader::get_got_symndx): New function.
2652         (Incremental_got_plt_reader::get_got_input_index): New function.
2653         (Sized_incremental_binary::Sized_incremental_binary): Remove
2654         file_status_; add input_objects_.
2655         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2656         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2657         (Sized_incremental_binary::file_is_unchanged): Remove.
2658         (Sized_incremental_binary::set_input_object): New function.
2659         (Sized_incremental_binary::input_object): New function.
2660         (Sized_incremental_binary::file_status_): Remove.
2661         (Sized_incremental_binary::input_objects_): New data member.
2662         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2663         references.
2664         (Sized_relobj_incr::invalid_address): Move to base class.
2665         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2666         class.
2667         (Sized_relobj_incr::do_output_section_offset): Likewise.
2668         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2669         (Sized_relobj_incr::section_offsets_): Likewise.
2670         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2671         function.
2672         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2673         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2674         with accessor function.
2675         (Sized_relobj_file::do_layout): Likewise.
2676         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2677         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2678         (Sized_relobj_file::compute_final_local_value): Replace refs to
2679         section_offsets_ with accessor function.
2680         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2681         * object.h (Relobj::Relobj): Initialize new data members.
2682         (Relobj::add_dyn_reloc): New function.
2683         (Relobj::first_dyn_reloc): New function.
2684         (Relobj::dyn_reloc_count): New function.
2685         (Relobj::first_dyn_reloc_): New data member.
2686         (Relobj::dyn_reloc_count_): New data member.
2687         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2688         references.
2689         (Sized_relobj::Address): New typedef.
2690         (Sized_relobj::invalid_address): Move here from child class.
2691         (Sized_relobj::Sized_relobj): Initialize new data members.
2692         (Sized_relobj::sized_relobj): New function.
2693         (Sized_relobj::is_output_section_offset_invalid): Move here from
2694         child class.
2695         (Sized_relobj::get_output_section_offset): Likewise.
2696         (Sized_relobj::local_has_got_offset): Likewise.
2697         (Sized_relobj::local_got_offset): Likewise.
2698         (Sized_relobj::set_local_got_offset): Likewise.
2699         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2700         (Sized_relobj::clear_got_offsets): New function.
2701         (Sized_relobj::section_offsets): Move here from child class.
2702         (Sized_relobj::do_output_section_offset): Likewise.
2703         (Sized_relobj::do_set_section_offset): Likewise.
2704         (Sized_relobj::Local_got_offsets): Likewise.
2705         (Sized_relobj::local_got_offsets_): Likewise.
2706         (Sized_relobj::section_offsets_): Likewise.
2707         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2708         references.
2709         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2710         class.
2711         (Sized_relobj_file::sized_relobj): New function
2712         (Sized_relobj_file::local_has_got_offset): Move to base class.
2713         (Sized_relobj_file::local_got_offset): Likewise.
2714         (Sized_relobj_file::set_local_got_offset): Likewise.
2715         (Sized_relobj_file::get_output_section_offset): Likewise.
2716         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2717         (Sized_relobj_file::do_output_section_offset): Likewise.
2718         (Sized_relobj_file::do_set_section_offset): Likewise.
2719         (Sized_relobj_file::Local_got_offsets): Likewise.
2720         (Sized_relobj_file::local_got_offsets_): Likewise.
2721         (Sized_relobj_file::section_offsets_): Likewise.
2722         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2723         (all constructors).
2724         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2725         (Output_reloc::get_symbol_index): Likewise.
2726         (Output_reloc::local_section_offset): Likewise.
2727         (Output_reloc::get_address): Likewise.
2728         (Output_reloc::symbol_value): Likewise.
2729         (Output_data_got::reserve_slot): Move to class definition.
2730         (Output_data_got::reserve_local): New function.
2731         (Output_data_got::reserve_slot_for_global): Remove.
2732         (Output_data_got::reserve_global): New function.
2733         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2734         (all constructors, two instantiations).
2735         (Output_reloc::get_relobj): New function (two instantiations).
2736         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2737         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2738         (Output_data_reloc::add_global): Adjust type of relobj.
2739         (Output_data_reloc::add_global_relative): Likewise.
2740         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2741         (Output_data_reloc::add_local): Likewise.
2742         (Output_data_reloc::add_local_relative): Likewise.
2743         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2744         (Output_data_reloc::add_local_section): Likewise.
2745         (Output_data_reloc::add_output_section): Likewise.
2746         (Output_data_reloc::add_absolute): Likewise.
2747         (Output_data_reloc::add_target_specific): Likewise.
2748         (Output_data_got::reserve_slot): Move definition here.
2749         (Output_data_got::reserve_local): New function.
2750         (Output_data_got::reserve_global): New function.
2751         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2752         section_offsets_ with accessor function.
2753         (Sized_relobj_file::write_sections): Likewise.
2754         (Sized_relobj_file::do_relocate_sections): Likewise.
2755         * target.h (Sized_target::reserve_local_got_entry): New function.
2756         (Sized_target::reserve_global_got_entry): New function.
2757         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2758         (Target_x86_64::reserve_global_got_entry): New function.
2759         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2760
2761 2011-05-23 Cary Coutant  <ccoutant@google.com>
2762
2763         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2764         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2765         bit when checking got_type.
2766         * incremental.cc (Sized_incremental_binary::setup_readers):
2767         Store symbol table and string table locations; initialize bit vector
2768         of file status flags.
2769         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2770         unchanged files.
2771         (Sized_incremental_binary::do_process_got_plt): New function.
2772         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2773         (Output_section_incremental_inputs::set_final_data_size): Record
2774         file index for each input file.
2775         (Output_section_incremental_inputs::write_got_plt): Store file index
2776         instead of input entry offset for each GOT entry.
2777         * incremental.h
2778         (Incremental_input_entry::Incremental_input_entry): Initialize new
2779         data member.
2780         (Incremental_input_entry::set_offset): Store file index.
2781         (Incremental_input_entry::get_file_index): New function.
2782         (Incremental_input_entry::file_index_): New data member.
2783         (Incremental_binary::process_got_plt): New function.
2784         (Incremental_binary::do_process_got_plt): New function.
2785         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2786         data members.
2787         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2788         (Sized_incremental_binary::set_file_is_unchanged): New function.
2789         (Sized_incremental_binary::file_is_unchanged): New function.
2790         (Sized_incremental_binary::do_process_got_plt): New function.
2791         (Sized_incremental_binary::file_status_): New data member.
2792         (Sized_incremental_binary::main_symtab_loc_): New data member.
2793         (Sized_incremental_binary::main_strtab_loc_): New data member.
2794         * output.cc (Output_data_got::Got_entry::write): Add case
2795         RESERVED_CODE.
2796         (Output_data_got::add_global): Call add_got_entry.
2797         (Output_data_got::add_global_plt): Likewise.
2798         (Output_data_got::add_global_with_rel): Likewise.
2799         (Output_data_got::add_global_with_rela): Likewise.
2800         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2801         (Output_data_got::add_global_pair_with_rela): Likewise.
2802         (Output_data_got::add_local): Call add_got_entry.
2803         (Output_data_got::add_local_plt): Likewise.
2804         (Output_data_got::add_local_with_rel): Likewise.
2805         (Output_data_got::add_local_with_rela): Likewise.
2806         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2807         (Output_data_got::add_local_pair_with_rela): Likewise.
2808         (Output_data_got::reserve_slot): New function.
2809         (Output_data_got::reserve_slot_for_global): New function.
2810         (Output_data_got::add_got_entry): New function.
2811         (Output_data_got::add_got_entry_pair): New function.
2812         (Output_section::add_output_section_data): Edit FIXME.
2813         * output.h
2814         (Output_section_data_build::Output_section_data_build): New
2815         constructor with size parameter.
2816         (Output_data_space::Output_data_space): Likewise.
2817         (Output_data_got::Output_data_got): Initialize new data member; new
2818         constructor with size parameter.
2819         (Output_data_got::add_constant): Call add_got_entry.
2820         (Output_data_got::reserve_slot): New function.
2821         (Output_data_got::reserve_slot_for_global): New function.
2822         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2823         (Output_data_got::add_got_entry): New function.
2824         (Output_data_got::add_got_entry_pair): New function.
2825         (Output_data_got::free_list_): New data member.
2826         * target.h (Sized_target::init_got_plt_for_update): New function.
2827         (Sized_target::register_global_plt_entry): New function.
2828         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2829         Initialize new data member; call init; add constructor with PLT count.
2830         (Output_data_plt_x86_64::init): New function.
2831         (Output_data_plt_x86_64::add_relocation): New function.
2832         (Output_data_plt_x86_64::reserve_slot): New function.
2833         (Output_data_plt_x86_64::free_list_): New data member.
2834         (Target_x86_64::init_got_plt_for_update): New function.
2835         (Target_x86_64::register_global_plt_entry): New function.
2836         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2837         incremental updates.
2838         (Output_data_plt_x86_64::add_relocation): New function.
2839         * testsuite/object_unittest.cc (Object_test): Set default options.
2840
2841 2011-05-16  Ian Lance Taylor  <iant@google.com>
2842
2843         * options.h (class General_options): Make -i a synonym for -r.
2844
2845 2011-05-16  Ian Lance Taylor  <iant@google.com>
2846
2847         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2848
2849 2011-05-10 Cary Coutant  <ccoutant@google.com>
2850
2851         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2852         strip_all (-s).
2853
2854 2011-05-06  Ian Lance Taylor  <iant@google.com>
2855
2856         * layout.cc (Layout::layout): If the output section flags change,
2857         update the ordering.
2858
2859 2011-04-25 Cary Coutant  <ccoutant@google.com>
2860
2861         * incremental-dump.cc (dump_incremental_inputs): Print local
2862         symbol info for each input file.
2863         * incremental.cc
2864         (Output_section_incremental_inputs::set_final_data_size): Add local
2865         symbol info to input file entries in incremental info.
2866         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2867         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2868         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2869         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2870         implementation.
2871         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2872         (Sized_incr_relobj::do_relocate): Write the local symbols.
2873         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2874         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2875         Adjust size of input file header.
2876         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2877         (Incremental_inputs_reader::get_local_symbol_count): New function.
2878         (Incremental_inputs_reader::get_input_section): Adjust size of input
2879         file header.
2880         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2881         (Sized_incr_relobj::This): New typedef.
2882         (Sized_incr_relobj::sym_size): New const data member.
2883         (Sized_incr_relobj::Local_symbol): New struct.
2884         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2885         (Sized_incr_relobj::do_local_symbol_offset): New function.
2886         (Sized_incr_relobj::local_symbol_count_): New data member.
2887         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2888         (Sized_incr_relobj::local_symbol_index_): New data member.
2889         (Sized_incr_relobj::local_symbol_offset_): New data member.
2890         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2891         (Sized_incr_relobj::local_symbols_): New data member.
2892         * object.h (Relobj::output_local_symbol_count): New function.
2893         (Relobj::local_symbol_offset): New function.
2894         (Relobj::do_output_local_symbol_count): New function.
2895         (Relobj::do_local_symbol_offset): New function.
2896         (Sized_relobj::do_output_local_symbol_count): New function.
2897         (Sized_relobj::do_local_symbol_offset): New function.
2898
2899 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2900
2901         * descriptors.cc (set_close_on_exec): New function.
2902         (Descriptors::open): Use set_close_on_exec.
2903         * output.cc (S_ISLNK): Define if not defined.
2904
2905 2011-04-22 Cary Coutant  <ccoutant@google.com>
2906
2907         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2908         global symbol map.
2909         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2910         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2911         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2912         relocations.
2913         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2914         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2915         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2916         * incremental.h
2917         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2918         function.
2919         (Incremental_binary::apply_incremental_relocs): New function.
2920         (Incremental_binary::do_apply_incremental_relocs): New function.
2921         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2922         data member.
2923         (Sized_incremental_binary::add_global_symbol): New function.
2924         (Sized_incremental_binary::global_symbol): New function.
2925         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2926         (Sized_incremental_binary::symbol_map_): New data member.
2927         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2928         * target.h (Sized_target::apply_relocation): New function.
2929         * target-reloc.h (apply_relocation): New function.
2930         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2931
2932 2011-04-22  Doug Kwan  <dougkwan@google.com>
2933
2934         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2935         flag of a SHT_ARM_EXIDX section.
2936         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2937         * testsuite/Makefile.in: Regenerate.
2938         * testsuite/arm_exidx_test.s: New file.
2939         * testsuite/arm_exidx_test.sh: Same.
2940
2941 2011-04-20 Cary Coutant  <ccoutant@google.com>
2942
2943         PR gold/12689
2944         * archive.h (Incremental_archive_entry::Archive_member):
2945         Initialize arg_serial_ (second constructor).
2946
2947 2011-04-17  Ian Lance Taylor  <iant@google.com>
2948
2949         * object.cc (Relocate_info::location): Simplify location string.
2950         * errors.cc (Errors::error_at_location): Don't print program
2951         name.
2952         (Errors::warning_at_location): Likewise.
2953         (Errors::undefined_symbol): Likewise.
2954         * testsuite/debug_msg.sh: Update accordingly.
2955
2956 2011-04-14 Cary Coutant  <ccoutant@google.com>
2957
2958         * gold/layout.cc (Layout::symtab_section_offset): New function.
2959         * gold/layout.h (Layout::symtab_section_offset): New function.
2960         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2961
2962 2011-04-12  Ian Lance Taylor  <iant@google.com>
2963
2964         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2965         with MREMAP_MAYMOVE.
2966         * output.h (class Output_file): Add map_is_allocated_ field.
2967         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2968         not available, provide stubs.  If mremap is not available, #define
2969         it to gold_mremap.
2970         (MREMAP_MAYMOVE): Define if not defined.
2971         (Output_file::Output_file): Initialize map_is_allocated_.
2972         (Output_file::resize): Check map_is_allocated_.
2973         (Output_file::map_anonymous): If mmap fails, use malloc.
2974         (Output_file::unmap): Don't do anything for an anonymous map.
2975         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2976         is not available, provide stubs.
2977         (File_read::View::~View): Use free rather than delete[].
2978         (File_read::make_view): Use malloc rather than new[].  If mmap
2979         fails, use malloc.
2980         (File_read::find_or_make_view): Use malloc rather than new[].
2981         * gold.h: Remove HAVE_REMAP code.
2982         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2983         exists.  Rename mremap to gold_mremap.  If mmap is not available
2984         don't do anything.
2985         * configure, config.in: Rebuild.
2986
2987 2011-04-11  Ian Lance Taylor  <iant@google.com>
2988
2989         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2990         initialize local variable v.
2991
2992 2011-04-11  Cary Coutant  <ccoutant@google.com>
2993
2994         * archive.cc (Archive::include_member): Adjust call to
2995         report_object.
2996         (Add_archive_symbols::run): Track argument serial numbers.
2997         (Lib_group::include_member): Likewise.
2998         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2999         * archive.h (Incremental_archive_entry::Archive_member):
3000         Initialize arg_serial_.
3001         (Archive_member::arg_serial_): New data member.
3002         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3003         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3004         incremental link.
3005         (Sized_dynobj::do_for_all_local_got_entries): New function.
3006         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3007         function.
3008         * fileread.cc (get_mtime): New function.
3009         * fileread.h (get_mtime): New function.
3010         * gold.cc (queue_initial_tasks): Check for incremental update.
3011         (process_incremental_input): New function.
3012         (queue_middle_tasks): Don't force valid target for incremental
3013         update.
3014         * incremental-dump.cc (find_input_containing_global): Adjust
3015         size of symbol info entry.
3016         (dump_incremental_inputs): Dump argument serial number and
3017         in_system_directory flag; bias shndx by 1; print symbol names
3018         when dumping per-file symbol lists; use new symbol info readers.
3019         * incremental.cc
3020         (Output_section_incremental_inputs:update_data_size): New function.
3021         (Sized_incremental_binary::setup_readers): Setup input readers
3022         for each input file; build maps for files added from libraries
3023         and scripts.
3024         (Sized_incremental_binary::check_input_args): New function.
3025         (Sized_incremental_binary::do_check_inputs): Build map of argument
3026         serial numbers to input arguments.
3027         (Sized_incremental_binary::do_file_has_changed): Rename
3028         do_file_is_unchanged to this; compare file modification times.
3029         (Sized_incremental_binary::do_init_layout): New function.
3030         (Sized_incremental_binary::do_reserve_layout): New function.
3031         (Sized_incremental_binary::do_get_input_reader): Remove.
3032         (Sized_incremental_binary::get_symtab_view): New function.
3033         (Incremental_checker::can_incrementally_link_output_file): Remove.
3034         (Incremental_inputs::report_command_line): Exclude --debug options.
3035         (Incremental_inputs::report_archive_begin): Add parameter; track
3036         argument serial numbers; don't put input file entry for archive
3037         before archive members.
3038         (Incremental_inputs::report_archive_end): Put input file entry
3039         for archive after archive members.
3040         (Incremental_inputs::report_object): Add parameter; track argument
3041         serial numbers and in_system_directory flag.
3042         (Incremental_inputs::report_script): Add parameter; track argument
3043         serial numbers.
3044         (Output_section_incremental_inputs::set_final_data_size): Adjust
3045         size of symbol info entry; check for forwarding symbols.
3046         (Output_section_incremental_inputs::write_input_files): Write
3047         in_system_directory flag and argument serial number.
3048         (Output_section_incremental_inputs::write_info_blocks): Map section
3049         indices between incremental info and original input file; store
3050         input section index for each symbol.
3051         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3052         change operator() to visit().
3053         (class Global_got_offset_visitor): Likewise.
3054         (class Global_symbol_visitor_got_plt):
3055         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3056         classes.
3057         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3058         (Sized_incr_relobj::do_read_symbols): New function.
3059         (Sized_incr_relobj::do_layout): New function.
3060         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3061         (Sized_incr_relobj::do_add_symbols): New function.
3062         (Sized_incr_relobj::do_should_include_member): New function.
3063         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3064         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3065         (Sized_incr_relobj::do_section_size): New function.
3066         (Sized_incr_relobj::do_section_name): New function.
3067         (Sized_incr_relobj::do_section_contents): New function.
3068         (Sized_incr_relobj::do_section_flags): New function.
3069         (Sized_incr_relobj::do_section_entsize): New function.
3070         (Sized_incr_relobj::do_section_address): New function.
3071         (Sized_incr_relobj::do_section_type): New function.
3072         (Sized_incr_relobj::do_section_link): New function.
3073         (Sized_incr_relobj::do_section_info): New function.
3074         (Sized_incr_relobj::do_section_addralign): New function.
3075         (Sized_incr_relobj::do_initialize_xindex): New function.
3076         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3077         (Sized_incr_relobj::do_read_relocs): New function.
3078         (Sized_incr_relobj::do_gc_process_relocs): New function.
3079         (Sized_incr_relobj::do_scan_relocs): New function.
3080         (Sized_incr_relobj::do_count_local_symbols): New function.
3081         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3082         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3083         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3084         (Sized_incr_relobj::do_relocate): New function.
3085         (Sized_incr_relobj::do_set_section_offset): New function.
3086         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3087         (Sized_incr_dynobj::do_read_symbols): New function.
3088         (Sized_incr_dynobj::do_layout): New function.
3089         (Sized_incr_dynobj::do_add_symbols): New function.
3090         (Sized_incr_dynobj::do_should_include_member): New function.
3091         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3092         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3093         (Sized_incr_dynobj::do_section_size): New function.
3094         (Sized_incr_dynobj::do_section_name): New function.
3095         (Sized_incr_dynobj::do_section_contents): New function.
3096         (Sized_incr_dynobj::do_section_flags): New function.
3097         (Sized_incr_dynobj::do_section_entsize): New function.
3098         (Sized_incr_dynobj::do_section_address): New function.
3099         (Sized_incr_dynobj::do_section_type): New function.
3100         (Sized_incr_dynobj::do_section_link): New function.
3101         (Sized_incr_dynobj::do_section_info): New function.
3102         (Sized_incr_dynobj::do_section_addralign): New function.
3103         (Sized_incr_dynobj::do_initialize_xindex): New function.
3104         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3105         (make_sized_incremental_object): New function.
3106         (Incremental_library::copy_unused_symbols): New function.
3107         (Incremental_library::do_for_all_unused_symbols): New function.
3108         * incremental.h (enum Incremental_input_flags): New type.
3109         (class Incremental_checker): Remove.
3110         (Incremental_input_entry::Incremental_input_entry): Add argument
3111         serial number.
3112         (Incremental_input_entry::arg_serial): New function.
3113         (Incremental_input_entry::set_is_in_system_directory): New function.
3114         (Incremental_input_entry::is_in_system_directory): New function.
3115         (Incremental_input_entry::arg_serial_): New data member.
3116         (Incremental_input_entry::is_in_system_directory_): New data member.
3117         (class Script_info): Move here from script.h.
3118         (Script_info::Script_info): Add filename parameter.
3119         (Script_info::filename): New function.
3120         (Script_info::filename_): New data member.
3121         (Incremental_script_entry::Incremental_script_entry): Add argument
3122         serial number.
3123         (Incremental_object_entry::Incremental_object_entry): Likewise.
3124         (Incremental_object_entry::add_input_section): Build list of input
3125         sections with map to original shndx.
3126         (Incremental_object_entry::get_input_section_index): New function.
3127         (Incremental_object_entry::shndx_): New data member.
3128         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3129         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3130         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3131         serial number.
3132         (Incremental_inputs::report_archive_begin): Likewise.
3133         (Incremental_inputs::report_object): Likewise.
3134         (Incremental_inputs::report_script): Likewise.
3135         (class Incremental_global_symbol_reader): New class.
3136         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3137         and store flags and input file type.
3138         (Incremental_input_entry_reader::arg_serial): New function.
3139         (Incremental_input_entry_reader::type): Extract type from flags.
3140         (Incremental_input_entry_reader::is_in_system_directory): New function.
3141         (Incremental_input_entry_reader::get_input_section_count): Call
3142         accessor function for type.
3143         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3144         function for type; adjust size of global symbol entry.
3145         (Incremental_input_entry_reader::get_global_symbol_count): Call
3146         accessor function for type.
3147         (Incremental_input_entry_reader::get_object_count): Likewise.
3148         (Incremental_input_entry_reader::get_object_offset): Likewise.
3149         (Incremental_input_entry_reader::get_member_count): Likewise.
3150         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3151         (Incremental_input_entry_reader::get_member_offset): Likewise.
3152         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3153         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3154         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3155         (Incremental_input_entry_reader::get_global_symbol_reader): New
3156         function.
3157         (Incremental_input_entry_reader::get_output_symbol_index): New
3158         function.
3159         (Incremental_input_entry_reader::type_): Remove.
3160         (Incremental_input_entry_reader::flags_): New data member.
3161         (Incremental_inputs_reader::input_file_offset): New function.
3162         (Incremental_inputs_reader::input_file_index): New function.
3163         (Incremental_inputs_reader::input_file): Call input_file_offset.
3164         (Incremental_inputs_reader::input_file_at_offset): New function.
3165         (Incremental_relocs_reader::get_r_type): Reformat.
3166         (Incremental_relocs_reader::get_r_shndx): Reformat.
3167         (Incremental_relocs_reader::get_r_offset): Reformat.
3168         (Incremental_relocs_reader::data): New function.
3169         (Incremental_binary::Incremental_binary): Initialize new data members.
3170         (Incremental_binary::check_inputs): Add cmdline parameter.
3171         (Incremental_binary::file_is_unchanged): Remove.
3172         (Input_reader::arg_serial): New function.
3173         (Input_reader::get_unused_symbol_count): New function.
3174         (Input_reader::get_unused_symbol): New function.
3175         (Input_reader::do_arg_serial): New function.
3176         (Input_reader::do_get_unused_symbol_count): New function.
3177         (Input_reader::do_get_unused_symbol): New function.
3178         (Incremental_binary::input_file_count): New function.
3179         (Incremental_binary::get_input_reader): Change signature to use
3180         index instead of filename.
3181         (Incremental_binary::file_has_changed): New function.
3182         (Incremental_binary::get_input_argument): New function.
3183         (Incremental_binary::get_library): New function.
3184         (Incremental_binary::get_script_info): New function.
3185         (Incremental_binary::init_layout): New function.
3186         (Incremental_binary::reserve_layout): New function.
3187         (Incremental_binary::output_file): New function.
3188         (Incremental_binary::do_check_inputs): New function.
3189         (Incremental_binary::do_file_is_unchanged): Remove.
3190         (Incremental_binary::do_file_has_changed): New function.
3191         (Incremental_binary::do_init_layout): New function.
3192         (Incremental_binary::do_reserve_layout): New function.
3193         (Incremental_binary::do_input_file_count): New function.
3194         (Incremental_binary::do_get_input_reader): Change signature.
3195         (Incremental_binary::input_args_map_): New data member.
3196         (Incremental_binary::library_map_): New data member.
3197         (Incremental_binary::script_map_): New data member.
3198         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3199         new data members.
3200         (Sized_incremental_binary::output_section): New function.
3201         (Sized_incremental_binary::inputs_reader): Add const.
3202         (Sized_incremental_binary::symtab_reader): Add const.
3203         (Sized_incremental_binary::relocs_reader): Add const.
3204         (Sized_incremental_binary::got_plt_reader): Add const.
3205         (Sized_incremental_binary::get_symtab_view): New function.
3206         (Sized_incremental_binary::Inputs_reader): New typedef.
3207         (Sized_incremental_binary::Input_entry_reader): New typedef.
3208         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3209         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3210         (Sized_incremental_binary::do_file_has_changed): New function.
3211         (Sized_incremental_binary::do_init_layout): New function.
3212         (Sized_incremental_binary::do_reserve_layout): New function.
3213         (Sized_input_reader::Inputs_reader): Remove.
3214         (Sized_input_reader::Input_entry_reader): Remove.
3215         (Sized_input_reader::do_arg_serial): New function.
3216         (Sized_input_reader::do_get_unused_symbol_count): New function.
3217         (Sized_input_reader::do_get_unused_symbol): New function.
3218         (Sized_incremental_binary::do_input_file_count): New function.
3219         (Sized_incremental_binary::do_get_input_reader): Change signature;
3220         use index instead of filename.
3221         (Sized_incremental_binary::section_map_): New data member.
3222         (Sized_incremental_binary::input_entry_readers_): New data member.
3223         (class Sized_incr_relobj): New class.
3224         (class Sized_incr_dynobj): New class.
3225         (make_sized_incremental_object): New function.
3226         (class Incremental_library): New class.
3227         * layout.cc (Free_list::num_lists): New static data member.
3228         (Free_list::num_nodes): New static data member.
3229         (Free_list::num_removes): New static data member.
3230         (Free_list::num_remove_visits): New static data member.
3231         (Free_list::num_allocates): New static data member.
3232         (Free_list::num_allocate_visits): New static data member.
3233         (Free_list::init): New function.
3234         (Free_list::remove): New function.
3235         (Free_list::allocate): New function.
3236         (Free_list::dump): New function.
3237         (Free_list::print_stats): New function.
3238         (Layout_task_runner::run): Resize output file for incremental updates.
3239         (Layout::Layout): Initialize new data members.
3240         (Layout::set_incremental_base): New function.
3241         (Layout::init_fixed_output_section): New function.
3242         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3243         incremental updates.
3244         (Layout::create_gold_note): Do not create gold note section for
3245         incremental updates.
3246         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3247         for incremental updates.
3248         (Layout::set_section_offsets): For incremental updates, allocate space
3249         from free list.
3250         (Layout::create_symtab_sections): Layout with offsets relative to
3251         start of section; for incremental updates, allocate space from free
3252         list.
3253         (Layout::create_shdrs): For incremental updates, allocate space from
3254         free list.
3255         (Layout::finish_dynamic_section): For incremental updates, do not
3256         check --as-needed (fixed in subsequent patch).
3257         * layout.h (class Free_list): New class.
3258         (Layout::set_incremental_base): New function.
3259         (Layout::incremental_base): New function.
3260         (Layout::init_fixed_output_section): New function.
3261         (Layout::allocate): New function.
3262         (Layout::incremental_base_): New data member.
3263         (Layout::free_list_): New data member.
3264         * main.cc (main): Print Free_list statistics.
3265         * object.cc (Relobj::finalize_incremental_relocs): Add
3266         clear_counts parameter; clear counts only when clear_counts is set.
3267         (Sized_relobj::Sized_relobj): Initialize new base class.
3268         (Sized_relobj::do_layout): Don't report special sections.
3269         (Sized_relobj::do_for_all_local_got_entries): New function.
3270         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3271         symtab_off to all symbol table offsets.
3272         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3273         * object.h (class Got_offset_list): Move to top of file.
3274         (Object::Object): Allow case where input_file == NULL.
3275         (Object::~Object): Likewise.
3276         (Object::input_file): Assert that input_file != NULL.
3277         (Object::lock): Allow case where input_file == NULL.
3278         (Object::unlock): Likewise.
3279         (Object::is_locked): Likewise.
3280         (Object::token): Likewise.
3281         (Object::release): Likewise.
3282         (Object::is_incremental): New function.
3283         (Object::get_mtime): New function.
3284         (Object::for_all_local_got_entries): New function.
3285         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3286         (Object::set_is_in_system_directory): New function.
3287         (Object::is_in_system_directory): New function.
3288         (Object::do_is_incremental): New function.
3289         (Object::do_get_mtime): New function.
3290         (Object::do_for_all_local_got_entries): New function.
3291         (Object::is_in_system_directory_): New data member.
3292         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3293         (class Sized_relobj_base): New class.
3294         (class Sized_relobj): Derive from Sized_relobj_base.
3295         (class Sized_relobj::Symbols): Redeclare from base class.
3296         (class Sized_relobj::local_got_offset_list): Remove.
3297         (class Sized_relobj::Output_sections): Redeclare from base class.
3298         (class Sized_relobj::do_for_all_local_got_entries): New function.
3299         (class Sized_relobj::write_local_symbols): Add offset parameter.
3300         (class Sized_relobj::local_symbol_offset_): Update comment.
3301         (class Sized_relobj::local_dynsym_offset_): Update comment.
3302         * options.cc (Input_arguments::add_file): Remove const.
3303         * options.h (Input_file_argument::Input_file_argument):
3304         Initialize arg_serial_ (all constructors).
3305         (Input_file_argument::set_arg_serial): New function.
3306         (Input_file_argument::arg_serial): New function.
3307         (Input_file_argument::arg_serial_): New data member.
3308         (Input_arguments::Input_arguments): Initialize file_count_.
3309         (Input_arguments::add_file): Remove const.
3310         (Input_arguments::number_of_input_files): New function.
3311         (Input_arguments::file_count_): New data member.
3312         (Command_line::number_of_input_files): Call
3313         Input_arguments::number_of_input_files.
3314         * output.cc (Output_segment_headers::Output_segment_headers):
3315         Set current size.
3316         (Output_section::Input_section::current_data_size): New function.
3317         (Output_section::Output_section): Initialize new data members.
3318         (Output_section::add_input_section): Don't do merge sections for
3319         an incremental link; allocate space from free list for an
3320         incremental update.
3321         (Output_section::add_output_section_data): Allocate space from
3322         free list for an incremental update.
3323         (Output_section::update_data_size): New function.
3324         (Output_section::set_fixed_layout): New function.
3325         (Output_section::reserve): New function.
3326         (Output_segment::set_section_addresses): Remove const.
3327         (Output_segment::set_section_list_addresses): Remove const; allocate
3328         space from free list for an incremental update.
3329         (Output_segment::set_offset): Adjust size of RELRO segment for an
3330         incremental update.
3331         * output.h (Output_data::current_data_size): Move here from
3332         child classes.
3333         (Output_data::pre_finalize_data_size): New function.
3334         (Output_data::update_data_size): New function.
3335         (Output_section_headers::update_data_size): new function.
3336         (Output_section_data_build::current_data_size): Move to Output_data.
3337         (Output_data_strtab::update_data_size): New function.
3338         (Output_section::current_data_size): Move to Output_data.
3339         (Output_section::set_fixed_layout): New function.
3340         (Output_section::has_fixed_layout): New function.
3341         (Output_section::reserve): New function.
3342         (Output_section::update_data_size): New function.
3343         (Output_section::has_fixed_layout_): New data member.
3344         (Output_section::free_list_): New data member.
3345         (Output_segment::set_section_addresses): Remove const.
3346         (Output_segment::set_section_list_addresses): Remove const.
3347         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3348         New function.
3349         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3350         New function.
3351         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3352         parameter when calling Add_symbols constructor; store argument
3353         serial number for members of a lib group.
3354         (Add_symbols::locks): Allow case where token == NULL.
3355         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3356         (Read_member::~Read_member): New function.
3357         (Read_member::is_runnable): New function.
3358         (Read_member::locks): New function.
3359         (Read_member::run): New function.
3360         (Check_script::~Check_script): New function.
3361         (Check_script::is_runnable): New function.
3362         (Check_script::locks): New function.
3363         (Check_script::run): New function.
3364         (Check_library::~Check_library): New function.
3365         (Check_library::is_runnable): New function.
3366         (Check_library::locks): New function.
3367         (Check_library::run): New function.
3368         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3369         (Add_symbols::library_): New data member.
3370         (class Read_member): New class.
3371         (class Check_script): New class.
3372         (class Check_library): New class.
3373         * reloc.cc (Read_relocs::is_runnable): Allow case where
3374         token == NULL.
3375         (Read_relocs::locks): Likewise.
3376         (Scan_relocs::locks): Likewise.
3377         (Relocate_task::locks): Likewise.
3378         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3379         to clear counters.
3380         (Sized_relobj::incremental_relocs_scan): Fix comment.
3381         (Sized_relobj::do_relocate): Pass output file offset to
3382         write_local_symbols.
3383         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3384         from class declaration.
3385         * script.cc (read_input_script): Allocate Script_info; pass
3386         argument serial number to report_script.
3387         * script.h (class Script_info): Move to incremental.h.
3388         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3389         * symtab.h (Symbol_table::add_from_incrobj): New function.
3390         (Symbol_table::set_file_offset): New function.
3391
3392 2011-04-05  Cary Coutant  <ccoutant@google.com>
3393
3394         * incremental-dump.cc (dump_incremental_inputs): Change signature
3395         to take a Sized_incremental_binary; change caller.  Use readers
3396         in Sized_incremental_binary.
3397         * incremental.cc
3398         (Sized_incremental_binary::find_incremental_inputs_sections):
3399         Rename do_find_incremental_inputs_sections to this.
3400         (Sized_incremental_binary::setup_readers): New function.
3401         (Sized_incremental_binary::do_check_inputs): Check
3402         has_incremental_info_ flag; move setup code to setup_readers;
3403         use input readers.
3404         (Sized_incremental_binary::do_file_is_unchanged): New function.
3405         (Sized_incremental_binary::do_get_input_reader): New function.
3406         * incremental.h (class Incremental_binary): Move to end of file.
3407         (Incremental_binary::file_is_unchanged): New function.
3408         (Incremental_binary::do_file_is_unchanged): New function.
3409         (Incremental_binary::Input_reader): New class.
3410         (Incremental_binary::get_input_reader): New function.
3411         (class Sized_incremental_binary): Move to end of file.
3412         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3413         input section reader classes.
3414         (Sized_incremental_binary::has_incremental_info): New function.
3415         (Sized_incremental_binary::inputs_reader): New function.
3416         (Sized_incremental_binary::symtab_reader): New function.
3417         (Sized_incremental_binary::relocs_reader): New function.
3418         (Sized_incremental_binary::got_plt_reader): New function.
3419         (Sized_incremental_binary::do_file_is_unchanged): New function.
3420         (Sized_incremental_binary::Sized_input_reader): New class.
3421         (Sized_incremental_binary::get_input_reader): New function.
3422         (Sized_incremental_binary::find_incremental_inputs_sections):
3423         Rename do_find_incremental_inputs_sections to this.
3424         (Sized_incremental_binary::setup_readers): New function.
3425         (Sized_incremental_binary::has_incremental_info_): New data member.
3426         (Sized_incremental_binary::inputs_reader_): New data member.
3427         (Sized_incremental_binary::symtab_reader_): New data member.
3428         (Sized_incremental_binary::relocs_reader_): New data member.
3429         (Sized_incremental_binary::got_plt_reader_): New data member.
3430         (Sized_incremental_binary::current_input_file_): New data member.
3431
3432 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3433
3434         PR gold/12640
3435         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3436         violation.
3437
3438 2011-03-30  Cary Coutant  <ccoutant@google.com>
3439
3440         * archive.cc (Archive::include_member): Adjust call to report_object.
3441         (Add_archive_symbols::run): Add script_info to call to
3442         report_archive_begin.
3443         (Lib_group::include_member): Adjust call to report_object.
3444         (Add_lib_group_symbols::run): Adjust call to report_object.
3445         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3446         blocks.  Add object count for script input files.
3447         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3448         script_info parameter; change all callers.
3449         (Incremental_inputs::report_object): Add script_info parameter;
3450         change all callers.
3451         (Incremental_inputs::report_script): Store backpointer to
3452         incremental info entry.
3453         (Output_section_incremental_inputs::set_final_data_size): Record
3454         additional information for scripts.
3455         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3456         * incremental.h (Incremental_script_entry::add_object): New function.
3457         (Incremental_script_entry::get_object_count): New function.
3458         (Incremental_script_entry::get_object): New function.
3459         (Incremental_script_entry::objects_): New data member; adjust
3460         constructor.
3461         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3462         (Incremental_inputs::report_object): Add script_info parameter.
3463         (Incremental_inputs_reader::get_object_count): New function.
3464         (Incremental_inputs_reader::get_object_offset): New function.
3465         * options.cc (Input_arguments::add_file): Return reference to
3466         new input argument.
3467         * options.h (Input_argument::set_script_info): New function.
3468         (Input_argument::script_info): New function.
3469         (Input_argument::script_info_): New data member; adjust all
3470         constructors.
3471         (Input_file_group::add_file): Return reference to new input argument.
3472         (Input_file_lib::add_file): Likewise.
3473         (Input_arguments::add_file): Likewise.
3474         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3475         * script.cc (Parser_closure::Parser_closure): Add script_info
3476         parameter; adjust all callers.
3477         (Parser_closure::script_info): New function.
3478         (Parser_closure::script_info_): New data member.
3479         (read_input_script): Report scripts earlier to incremental info.
3480         (script_add_file): Set script_info in Input_argument.
3481         (script_add_library): Likewise.
3482         * script.h (Script_options::Script_info): Rewrite class.
3483
3484 2011-03-29  Cary Coutant  <ccoutant@google.com>
3485
3486         * archive.cc (Library_base::should_include_member): Move
3487         method here from class Archive.
3488         (Archive::Archive): Initialize base class.
3489         (Archive::should_include_member): Move to base class.
3490         (Archive::do_for_all_unused_symbols): New function.
3491         (Add_archive_symbols::run): Remove redundant access to
3492         incremental_inputs.
3493         (Lib_group::Lib_group): Initialize base class.
3494         (Lib_group::do_filename): New function.
3495         (Lib_group::include_member): Pass pointer to Lib_group to
3496         report_object.
3497         (Lib_group::do_for_all_unused_symbols): New function.
3498         (Add_lib_group_symbols::run): Report archive information for
3499         incremental links.
3500         * archive.h (class Library_base): New base class.
3501         (class Archive): Derive from Library_base.
3502         (Archive::filename): Move to base class.
3503         (Archive::set_incremental_info): Likewise.
3504         (Archive::incremental_info): Likewise.
3505         (Archive::Should_include): Likewise.
3506         (Archive::should_include_member): Likewise.
3507         (Archive::Armap_entry): Remove.
3508         (Archive::Unused_symbol_iterator): Remove.
3509         (Archive::unused_symbols_begin): Remove.
3510         (Archive::unused_symbols_end): Remove.
3511         (Archive::do_filename): New function.
3512         (Archive::do_get_mtime): New function.
3513         (Archive::do_for_all_unused_symbols): New function.
3514         (Archive::task_): Move to base class.
3515         (Archive::incremental_info_): Likewise.
3516         (class Lib_group): Derive from Library_base.
3517         (Lib_group::do_filename): New function.
3518         (Lib_group::do_get_mtime): New function.
3519         (Lib_group::do_for_all_unused_symbols): New function.
3520         (Lib_group::task_): Move to base class.
3521         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3522         function.
3523         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3524         function.
3525         * incremental.cc (Incremental_inputs::report_archive_begin):
3526         Use Library_base; call library's get_mtime; add incremental inputs
3527         entry before members.
3528         (class Unused_symbol_visitor): New class.
3529         (Incremental_inputs::report_archive_end): Use Library_base; use
3530         visitor class to record unused symbols; don't add incremental inputs
3531         entry after members.
3532         (Incremental_inputs::report_object): Use Library_base.
3533         * incremental.h
3534         (Incremental_archive_entry::Incremental_archive_entry): Remove
3535         unused Archive parameter.
3536         (Incremental_inputs::report_archive_begin): Use Library_base.
3537         (Incremental_inputs::report_archive_end): Likewise.
3538         (Incremental_inputs::report_object): Likewise.
3539         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3540         function.
3541         * object.h (Object::for_all_global_symbols): New function.
3542         (Object::do_for_all_global_symbols): New function.
3543         (Sized_relobj::do_for_all_global_symbols): New function.
3544         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3545         function.
3546         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3547         function.
3548
3549 2011-03-27  Ian Lance Taylor  <iant@google.com>
3550
3551         * archive.cc (Archive::interpret_header): Return -1 if something
3552         goes wrong.  Change callers accordingly.
3553
3554 2011-03-25  Cary Coutant  <ccoutant@google.com>
3555
3556         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3557         * testsuite/Makefile.in: Regenerate.
3558
3559 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3560
3561         * plugin.cc (get_view): New.
3562         (Plugin::load): Pass get_view to the plugin.
3563         (Plugin_manager::get_view): New.
3564
3565 2011-03-21  Ian Lance Taylor  <iant@google.com>
3566
3567         * testsuite/final_layout.sh: Rewrite to not use dc.
3568         * testsuite/relro_test.sh: Fail if dc is not present.
3569
3570 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3571
3572         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3573         Change == to -eq.
3574         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3575         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3576         Change == to -eq.
3577         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3578         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3579
3580 2011-03-14  Ian Lance Taylor  <iant@google.com>
3581
3582         * script-sections.cc (Sort_output_sections::script_compare):
3583         Rename from is_before, change return type.
3584         (Sort_output_sections::operator()): Adjust accordingly.
3585
3586 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3587
3588         PR gold/12572
3589         * testsuite/odr_violation2.cc: Add comment to make all error line
3590         numbers double digits.
3591         * testsuite/debug_msg.sh: Adjust expected errors.
3592
3593 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3594
3595         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3596         but mark earlier ones as non-canonical
3597         (offset_to_iterator): Update search target and example
3598         (do_addr2line): Return extra lines in a vector*
3599         (format_file_lineno): Extract from do_addr2line
3600         (one_addr2line): Add vector* out-param
3601         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3602         when a lineno entry appeared last for its instruction
3603         (Dwarf_line_info): Add vector* out-param
3604         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3605         * symtab.cc (Odr_violation_compare): Include the lineno in the
3606         comparison again.
3607         (linenos_from_loc): New. Combine the canonical line for an
3608         address with its other lines.
3609         (True_if_intersect): New. Helper functor to make
3610         std::set_intersection a query.
3611         (detect_odr_violations): Compare sets of lines instead of just
3612         one line for each function. This became less deterministic, but
3613         has fewer false positives.
3614         * symtab.h: Declarations.
3615         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3616         mix an optimized and non-optimized object in the same binary
3617         (odr_violation2.so): Same.
3618         * testsuite/Makefile.in: Regenerate from Makefile.am.
3619         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3620         * testsuite/debug_msg.sh: Update line numbers and add
3621         assertions.
3622         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3623         non-optimized context.
3624         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3625         isn't inlined, and use OdrDerived in an optimized context.
3626         * testsuite/odr_header1.h: Defines OdrDerived, where
3627         optimization will change the
3628         first-instruction-in-the-destructor's file and line number.
3629         * testsuite/odr_header2.h: Defines OdrBase.
3630
3631 2011-03-09  Ian Lance Taylor  <iant@google.com>
3632
3633         * fileread.cc (File_read::clear_views): Don't delete the whole
3634         file view.
3635
3636 2011-03-08  Ian Lance Taylor  <iant@google.com>
3637
3638         PR gold/12525
3639         * fileread.cc: #include <climits>.
3640         (GOLD_IOV_MAX): Define.
3641         (File_read::read_multiple): Limit number of entries by iov_max.
3642         * fileread.h (class File_read): Always set max_readv_entries to
3643         128.
3644
3645 2011-03-07  Ian Lance Taylor  <iant@google.com>
3646
3647         PR gold/12525
3648         * options.h (class General_options): Add -dy and -dn.
3649
3650 2011-03-02  Cary Coutant  <ccoutant@google.com>
3651
3652         * testsuite/script_test_9.t: Add TLS segment.
3653
3654 2011-03-02  Simon Baldwin  <simonb@google.com>
3655
3656         * configure.ac: Add check for gnu_indirect_function support in
3657         the toolchain building binutils.
3658         * configure: Rebuild.
3659
3660 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3661
3662         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3663         plugin only symbols.
3664         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3665         in plugin files as not needed in the symbol table.
3666
3667 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3668
3669         * output.cc (Output_section::add_input_section): Delay fill
3670         generation for section ordering.
3671
3672 2011-02-09  Ian Lance Taylor  <iant@google.com>
3673
3674         PR gold/12316
3675         * object.h (class Sized_relobj): Remove clear_local_symbols.
3676         * reloc.cc (Sized_relobj::do_relocate): Don't call
3677         clear_local_symbols.
3678
3679 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3680
3681         * plugin.cc (is_visible_from_outside): Return true for symbols
3682         in the -u option.
3683
3684 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3685
3686         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3687         filename.
3688
3689 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3690
3691         * icf.h (is_section_foldable_candidate): Change type of parameter
3692         to std::string.
3693         * icf.cc (Icf::find_identical_sections): Change type of local variable
3694         section_name to be std::string.
3695         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3696
3697 2011-01-25  Ian Lance Taylor  <iant@google.com>
3698
3699         * script.cc (script_add_extern): Rewrite to use
3700         add_symbol_reference.
3701
3702 2011-01-25  Doug Kwan  <dougkwan@google.com>
3703
3704         * icf.cc (get_section_contents): Always lock section's object.
3705
3706 2011-01-24  Ian Lance Taylor  <iant@google.com>
3707
3708         * options.h (class General_options): Accept
3709         --no-detect-odr-violations.
3710
3711 2011-01-24  Ian Lance Taylor  <iant@google.com>
3712
3713         * version.cc (version_string): Bump to 1.11.
3714
3715 2011-01-24  Ian Lance Taylor  <iant@google.com>
3716
3717         * plugin.cc (class Plugin_rescan): Define new class.
3718         (Plugin_manager::claim_file): Set any_claimed_.
3719         (Plugin_manager::save_archive): New function.
3720         (Plugin_manager::save_input_group): New function.
3721         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3722         necessary.
3723         (Plugin_manager::new_undefined_symbol): New function.
3724         (Plugin_manager::rescan): New function.
3725         (Plugin_manager::rescannable_defines): New function.
3726         (Plugin_manager::add_input_file): Set any_added_.
3727         * plugin.h (class Plugin_manager): define new fields rescannable_,
3728         undefined_symbols_, any_claimed_, and any_added_.  Declare
3729         Plugin_rescan as friend.  Declare new functions.
3730         (Plugin_manager::Rescannable): Define type.
3731         (Plugin_manager::Rescannable_list): Define type.
3732         (Plugin_manager::Undefined_symbol_list): Define type.
3733         (Plugin_manager::Plugin_manager): Initialize new fields.
3734         * archive.cc (Archive::defines_symbol): New function.
3735         (Add_archive_symbols::run): Pass archive to plugins if any.
3736         * archive.h (class Archive): Declare defines_symbol.
3737         * readsyms.cc (Input_group::~Input_group): New function.
3738         (Finish_group::run): Pass input_group to plugins if any.
3739         * readsyms.h (class Input_group): Declare destructor.
3740         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3741         any.
3742
3743 2011-01-10  Ian Lance Taylor  <iant@google.com>
3744
3745         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3746         section as relro.
3747         (Layout::set_segment_offsets): Reset increase_relro before calling
3748         set_section_addresses a second time.
3749
3750 2011-01-04  Cary Coutant  <ccoutant@google.com>
3751
3752         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3753         sections before NOBITS sections.
3754
3755 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3756
3757         * version.cc (print_version): Update copyright to 2011.
3758
3759 2010-12-23  Cary Coutant  <ccoutant@google.com>
3760
3761         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3762         of OS to this->add.  Add OD parameter to second form of the function.
3763
3764 2010-12-20  Ian Lance Taylor  <iant@google.com>
3765
3766         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3767         second of two consecutive entries with same offset.
3768
3769 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3770
3771         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3772         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3773         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3774         to avoid unneeded links against $(LDADD).
3775         * testsuite/Makefile.in: Regenerate.
3776
3777 2010-12-15  Ian Lance Taylor  <iant@google.com>
3778
3779         PR gold/12324
3780         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3781         for R_X86_64_32 and R_X86_64_PC32.
3782         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3783         ver_matching_def_pic.o.
3784         (ver_matching_def_pic.o): New target.
3785
3786 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3787
3788         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3789         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3790         Move definition before File_read::View member definitions.
3791         (File_read::View::~View): Initialize and hold lock before
3792         updating current_mapped_bytes.
3793
3794 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3795
3796         * dwarf_reader.cc: Remove outdated comment.
3797         * gold-threads.cc: Fix typo in error message.
3798         * archive.cc: Fix typos in comments.
3799         * archive.h: Likewise.
3800         * arm-reloc-property.cc: Likewise.
3801         * arm-reloc-property.h: Likewise.
3802         * arm-reloc.def: Likewise.
3803         * arm.cc: Likewise.
3804         * attributes.h: Likewise.
3805         * cref.cc: Likewise.
3806         * ehframe.cc: Likewise.
3807         * fileread.h: Likewise.
3808         * gold.h: Likewise.
3809         * i386.cc: Likewise.
3810         * icf.cc: Likewise.
3811         * incremental.h: Likewise.
3812         * int_encoding.cc: Likewise.
3813         * layout.h: Likewise.
3814         * main.cc: Likewise.
3815         * merge.h: Likewise.
3816         * object.cc: Likewise.
3817         * object.h: Likewise.
3818         * options.cc: Likewise.
3819         * readsyms.cc: Likewise.
3820         * reduced_debug_output.cc: Likewise.
3821         * reloc.cc: Likewise.
3822         * script-sections.cc: Likewise.
3823         * sparc.cc: Likewise.
3824         * symtab.h: Likewise.
3825         * target-reloc.h: Likewise.
3826         * target.cc: Likewise.
3827         * target.h: Likewise.
3828         * timer.cc: Likewise.
3829         * timer.h: Likewise.
3830         * x86_64.cc: Likewise.
3831
3832 2010-12-09  Cary Coutant  <ccoutant@google.com>
3833
3834         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3835         stack.
3836         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3837         parameter; change all callers.
3838         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3839         * options.h (warn_execstack): New option.
3840
3841 2010-12-07  Doug Kwan  <dougkwan@google.com>
3842
3843         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3844         like function call relocations.
3845
3846 2010-12-07  Ian Lance Taylor  <iant@google.com>
3847
3848         * archive.cc (Archive::get_elf_object_for_member): Permit
3849         punconfigured to be NULL.
3850         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3851         (Archive::include_member): Pass NULL to get_elf_object_for_member
3852         if we searched for the archive and this is the first included
3853         object.
3854
3855 2010-12-01  Ian Lance Taylor  <iant@google.com>
3856
3857         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3858         track_relocs_type_ field.
3859         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3860         Set track_relocs_type_.
3861         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3862         contents when using RELA relocs.
3863         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3864         reloc_map_.
3865         * reloc.cc (Track_relocs::next_addend): New function.
3866         * reloc.h (class Track_relocs): Declare next_addend.
3867
3868 2010-12-01  Ian Lance Taylor  <iant@google.com>
3869
3870         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3871         virtual destructor.
3872
3873 2010-12-01  Ian Lance Taylor  <iant@google.com>
3874
3875         * README: Update compilers known to work and fail.
3876
3877 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3878
3879         * configure.in: For --enable-gold, handle value `default' instead of
3880         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3881         not the default.
3882         * configure: Regenerate.
3883
3884 2010-11-18  Doug Kwan  <dougkwan@google.com>
3885
3886         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3887         and right_alignment to be zero.  Store result alignment only if it is
3888         greater than existing alignment.
3889
3890 2010-11-16  Cary Coutant  <ccoutant@google.com>
3891
3892         PR gold/12220
3893         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3894         Check for ".zdebug_line".
3895
3896 2010-11-16  Doug Kwan  <dougkwan@google.com>
3897             Cary Coutant  <ccoutant@google.com>
3898
3899         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3900         by reference; adjust all callers.
3901         * output.cc (Output_segment::set_section_addresses): Adjust references
3902         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3903         list is empty.
3904         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3905         end at page boundary.
3906
3907 2010-11-16  Cary Coutant  <ccoutant@google.com>
3908
3909         PR gold/12220
3910         * layout.cc (Layout::choose_output_section): Transform names of
3911         compressed sections even when using a script with a SECTIONS clause.
3912         (Layout::output_section_name): Remove code to transform
3913         compressed debug section names.
3914         * output.cc (Output_section::add_input_section): Use uncompressed
3915         section size when tracking input sections.
3916
3917 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3918
3919         * symtab.h (Symbol::NON_PIC_REF): Remove.
3920         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3921         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3922         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3923         (Symbol::use_plt_offset): Take a flags argument and pass it
3924         directly to needs_dynamic_reloc.  Restrict check for undefined
3925         weak symbols to function calls.
3926         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3927         (Target_arm::Scan::global): Use it.
3928         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3929         (Target_arm::Relocate::relocate): Likewise.
3930         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3931         parameter with an r_type parameter.  Use get_reference_flags
3932         to get the flags.
3933         (Target_arm::Relocate::relocate): Update accordingly.
3934         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3935         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3936         (Target_i386::Scan::global): Likewise.
3937         (Target_i386::Relocate::relocate): Likewise.
3938         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3939         parameter with an r_type parameter.  Use get_reference_flags
3940         to get the flags.
3941         (Target_i386::Relocate::relocate): Update accordingly.
3942         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3943         (Target_powerpc::Scan::global): Use it.
3944         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3945         (Target_powerpc::Relocate::relocate): Likewise.
3946         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3947         (Target_sparc::Scan::global): Use it.
3948         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3949         (Target_sparc::Relocate::relocate): Likewise.
3950         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3951         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3952         (Target_x86_64::Scan::global): Likewise.
3953         (Target_x86_64::Relocate::relocate): Likewise.
3954
3955 2010-11-08  Doug Kwan  <dougkwan@google.com>
3956             Cary Coutant  <ccoutant@google.com>
3957
3958         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3959         (Arm_exidx_merge_section::section_contents_): New data member.
3960         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3961         (Arm_input_section::~Arm_input_section): De-allocate memory.
3962         (Arm_input_section::original_contents_): New data member.
3963         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3964         in parameters instead of calling Object::section_contents without
3965         locking.
3966         (Arm_output_section::group_section): New parameter TASK.  Pass it
3967         to callees that need locking objects.
3968         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3969         to lock EXIDX input sections.  Fix a formatting issue.  Call
3970         Arm_exidx_merged_section::build_contents to create merged section
3971         contents.
3972         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3973         to lock object of stub table owner.
3974         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3975         TEXT_SIZE to initialize data member TEXT_SIZE_.
3976         (Arm_exidx_input_section::addralign): Fix typo in comment.
3977         (Arm_exidx_input_section::text_size): New method.
3978         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3979         that require locking objects.  Lock objects before scanning for stubs
3980         and updating local symbols.
3981         (Arm_input_section<big_endian>::init): Copy contents of original
3982         input section.
3983         (Arm_input_section<big_endian>::do_write): Use saved contents of
3984         original input section instead of calling Object::section_contents
3985         without locking.
3986         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3987         size without calling Object::section_size().
3988         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3989         for size.  Allocate a buffer for merged EXIDX entries.
3990         (Arm_exidx_merged_section::build_contents): New method.
3991         (Arm_exidx_merged_section::do_write): Move merge section contents
3992         building code to Arm_exidx_merged_section::build_contetns.  Write
3993         out contetns in buffer instead of building it on the fly.
3994         (Arm_relobj::make_exidx_input_section): Also pass text section size
3995         to Arm_exidx_input_section constructor.
3996         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3997         (Arm_dynobj::do_read_symbols): Fix memory leak.
3998         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3999         * target.h: (class Task): Add forward declaration.
4000         (Target::relax): Add new parameter TASK and pass it to
4001         Target::do_relax().
4002         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4003
4004 2010-11-05  Cary Coutant  <ccoutant@google.com>
4005
4006         PR gold/10708
4007         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4008         object when reading from the file.
4009         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4010         second layout pass.
4011         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4012         when reading section contents.
4013         (get_section_contents): Likewise.
4014         (icf::find_identical_sections): Likewise.
4015         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4016         object when reading from the file.
4017         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4018         the object when doing deferred section layout.
4019
4020 2010-11-03  Nick Clifton  <nickc@redhat.com>
4021
4022         PR gold/12001
4023         * script.h (class Symbol_assignment: name): New member.  Returns
4024         the name of the symbol.
4025         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4026         Returns true if the given symbol name is on the list of
4027         assignments wating to be processed.
4028         * archive.cc (should_incldue_member): If the symbol is undefined,
4029         check to see if it is on the list of symbols pending assignment.
4030
4031 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4032
4033         * script-sections.cc (Script_sections::find_memory_region): Check
4034         for a NULL output section pointer.
4035
4036 2010-10-29  Doug Kwan  <dougkwan@google.com>
4037
4038         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4039         Output_section::add_relaxed_input_section.
4040         * output.cc (Output_section::add_relaxed_input_section): Add new
4041         arguments LAYOUT and NAME.  Set section order index.
4042         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4043         Copy section order index.
4044         * output.h (Output_section::add_relaxed_input_section): Add new
4045         arguments LAYOUT and NAME.
4046
4047 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4048
4049         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4050         NATIVE_OR_CROSS_LINKER.
4051         * testsuite/Makefile.in: Regenerate.
4052
4053 2010-10-20  Doug Kwan  <dougkwan@google.com>
4054
4055         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4056         without SHF_LINK_ORDER flags.
4057         * layout.cc (Layout::choose_output_section): Do not filter
4058         SHF_LINK_ORDER flag in a relocatable link.
4059
4060 2010-10-17  Cary Coutant  <ccoutant@google.com>
4061
4062         * output.h (Output_segment::set_section_addresses): Change function
4063         signature.  Update all callers.
4064         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4065         sections.
4066         (Output_segment::set_section_addresses): Align after last TLS
4067         section.  Add padding before last relro section instead of after.
4068
4069 2010-10-17  Doug Kwan  <dougkwan@google.com>
4070
4071         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4072         GOT output section to be writable.
4073
4074 2010-10-14  Cary Coutant  <ccoutant@google.com>
4075
4076         * debug.h (DEBUG_INCREMENTAL): New flag.
4077         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4078         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4079         mode.
4080         * incremental.cc (report_command_line): Ignore all forms of
4081         --incremental.
4082         * layout.cc (Layout::Layout): Check parameters for incremental link
4083         mode.
4084         * options.cc (General_options::parse_incremental): New function.
4085         (General_options::parse_no_incremental): New function.
4086         (General_options::parse_incremental_full): New function.
4087         (General_options::parse_incremental_update): New function.
4088         (General_options::incremental_mode_): New data member.
4089         (General_options::finalize): Check incremental_mode_.
4090         * options.h (General_options): Update help text for --incremental.
4091         Add --no-incremental, --incremental-full, --incremental-update.
4092         (General_options::Incremental_mode): New enum type.
4093         (General_options::incremental_mode): New function.
4094         (General_options::incremental_mode_): New data member.
4095         * parameters.cc (Parameters::incremental_mode_): New data member.
4096         (Parameters::set_options): Set incremental_mode_.
4097         (Parameters::set_incremental_full): New function.
4098         (Parameters::incremental): New function.
4099         (Parameters::incremental_update): New function.
4100         (set_parameters_incremental_full): New function.
4101         * parameters.h (Parameters::set_incremental_full): New function.
4102         (Parameters::incremental): New function.
4103         (Parameters::incremental_update): New function.
4104         (Parameters::incremental_mode_): New data member.
4105         (set_parameters_incremental_full): New function.
4106         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4107         incremental link mode.
4108         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4109         (Sized_relobj::do_relocate_sections): Likewise.
4110         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4111         option.
4112         * testsuite/Makefile.in: Regenerate.
4113         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4114
4115 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4116
4117         * script-sections.h (class Script_sections): Make
4118         Sections_elements typedef public.
4119         * script-sections.cc (class Sort_output_sections): Add elements_
4120         field.  Add constructor which sets it; change all callers.
4121         (Sort_output_sections::is_before): New function.
4122         (Sort_output_sections::operator()): Call is_before.
4123         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4124         conditional.
4125         * testsuite/script_test_10.sh: New test. Test script section
4126         order.
4127         * testsuite/script_test_10.t: Likewise.
4128         * testsuite/script_test_10.s: Likewise.
4129         * testsuite/Makefile.am: Wrap the cross linker tests and the
4130         common tests into NATIVE_OR_CROSS_LINKER.
4131         (check_SCRIPTS): Add script_test_10.sh.
4132         (check_DATA): Add script_test_10.stdout.
4133         (script_test_10.o, script_test_10): New targets.
4134         (script_test_10.stdout): New target.
4135         * configure, testsuite/Makefile.in: Regenerate.
4136
4137 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4138
4139         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4140         error for the deprecated relocations.
4141         (Target_arm::Scan::global): Likewise.
4142         (Target_arm::Relocate::relocate): Likewise.
4143
4144 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4145
4146         * fileread.cc (Input_file::find_file): Initialize *found_name
4147         and *namep when using the fallback search for case 4.
4148
4149 2010-10-11  Cary Coutant  <ccoutant@google.com>
4150
4151         * options.h (class General_options): Redefine -z lazy as an alias for
4152         the negation of -z now.
4153
4154 2010-10-11  Ian Lance Taylor  <iant@google.com>
4155
4156         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4157         binding.
4158
4159 2010-10-06  Nick Clifton  <nickc@redhat.com>
4160
4161         * script-sections.cc(class Memory_region): Remove
4162         current_lma_offset_ field.  Rename current_vma_offset_ to
4163         current_offset_.  Add last_section_ field.
4164         (Memory_region::get_current_vma_address): Rename to
4165         get_current_address.
4166         (Memory_region::get_current_lma_address): Delete.
4167         (Memory_region::increment_vma_offset): Rename to
4168         increment_offset.
4169         (Memory_region::increment_lma_offset): Delete.
4170         (Memory_region::attributes_compatible): New method.  Returns
4171         true if the provided section is compatible with the region.
4172         (Memory_region::get_last_section): New method.  Returns the last
4173         section to use the region.
4174         (Memory_region::set_last_section): New method.  Stores the last
4175         section to use the region.
4176         (Script_sections::block_in_region): New method.  Returns true if
4177         a block of memory is contained within a region.
4178         (Script_sections::find_memory_region): New method.  Locates a
4179         memory region to be used to set a VMA or LMA address.
4180         (Output_section_definition::set_section_addresses): Add code to
4181         check for addresses set by memory regions.
4182         (Output_segment::set_section_addresses): Remove memory region
4183         walking code.
4184         (Script_sections::create_segment): Add a warning if a header
4185         segment is created outside of any region.
4186         * script-sections.h (class Script_sections): Add prototypes for
4187         find_memory_region and block_in_region methods.
4188         * testsuite/memory_test.s: Use .long instead of .word.
4189         * testsuite/memory_test.t: Add some more output sections.
4190         * testsuite/memory_test.sh: Update expected output.
4191
4192 2010-10-02  Doug Kwan  <dougkwan@google.com>
4193
4194         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4195         defintion to symtab.h
4196         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4197         declaration to defintion.
4198
4199 2010-10-01  Nick Clifton  <nickc@redhat.com>
4200
4201         * expression.cc (eval): Replace dummy argument with NULL.
4202         (eval_maybe_dot): Check for a NULL result section pointer.
4203         (Symbol_expression::value): Likewise.
4204         (Dot_expression::value): Likewise.
4205         (BINARY_EXPRESSION): Likewise.
4206         (Max_expression::value): Likewise.
4207         (Min_expression::value): Likewise.
4208         (Absolute_expression::value): Likewise.
4209         (Addr_expression::value_from_output_section): Likewise.
4210         (Loaddddr_expression::value_from_output_section): Likewise.
4211         (Segment_start_expression::value): Likewise.
4212         * script-sections.cc
4213         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4214         argument with NULL.
4215         (Sections_elememt_dot_assignment::set_section_addresses):
4216         Likewise.
4217         (Output_data_expression::do_write_to_buffer): Likewise.
4218         (Output_section_definition::finalize_symbols): Likewise.
4219         (Output_section_definition::set_section_addresses): Likewise.
4220
4221 2010-09-30  Doug Kwan  <dougkwan@google.com>
4222
4223         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4224
4225 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4226
4227         * target.h (Target::can_icf_inline_merge_sections): New virtual
4228         function.
4229         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4230         virtual function.
4231         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4232         virtual function.
4233         * icf.cc (get_section_contents): Inline merge sections only when
4234         target allows it.
4235
4236 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4237
4238         * configure: Regenerate.
4239
4240 2010-09-17  Ian Lance Taylor  <iant@google.com>
4241
4242         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4243         * testsuite/Makefile.am (memory_test.o): New target.
4244         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4245         memory_test.t.
4246         * testsuite/Makefile.in: Rebuild.
4247
4248 2010-09-17  Doug Kwan  <dougkwan@google.com>
4249
4250         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4251         defintion if relocation uses GOT entries of the symbol.
4252         * testsuite/icf_safe_test.sh: Fix test.
4253         * testsuite/icf_safe_so_test.sh: Fix test.
4254
4255 2010-09-16  Cary Coutant  <ccoutant@google.com>
4256
4257         * script_sections.cc (class Memory_region): Remove "NULL" from
4258         vector initializations.
4259
4260 2010-09-15  Cary Coutant  <ccoutant@google.com>
4261
4262         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4263         Resolve forwarding symbols.
4264
4265 2010-09-15  Doug Kwan  <dougkwan@google.com>
4266
4267         * gold/testsuite/script_test_3.t: Add ARM special sections.
4268         * gold/testsuite/script_test_4.t: Same.
4269         * gold/testsuite/script_test_5.t: Same.
4270         * gold/testsuite/script_test_6.t: Same.
4271         * gold/testsuite/script_test_7.t: Same.
4272         * gold/testsuite/script_test_7.t: Same.
4273         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4274
4275 2010-09-14  Cary Coutant  <ccoutant@google.com>
4276
4277         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4278         (Target_x86_64::Relocate::relocate_tls): Replace check for
4279         saw_tls_block_reloc_ with test for executable section.
4280
4281 2010-09-12  Cary Coutant  <ccoutant@google.com>
4282
4283         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4284         position-independent executables to shared libraries need dynamic
4285         relocations.
4286         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4287         position-independent executables.
4288         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4289         * testsuite/Makefile.in: Regenerate.
4290
4291 2010-09-10  Nick Clifton  <nickc@redhat.com>
4292
4293         PR gold/11997
4294         * testsuite/memory_test.t: Discard any sections that are not
4295         needed.
4296
4297 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4298
4299         PR gold/11996
4300         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4301         "This::" to work around a bug in gcc 4.2.
4302
4303         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4304
4305 2010-09-09  Rafael Espindola  <espindola@google.com>
4306
4307         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4308         sections with different PF_X flags in the same segment.
4309         (Layout::find_first_load_seg): Search all segments to find the first
4310         one.
4311         * options.h (rosegment): New.
4312
4313 2010-09-08  Rafael Espindola  <espindola@google.com>
4314
4315         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4316
4317 2010-09-08  Doug Kwan  <dougkwan@google.com>
4318
4319         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4320         (Arm_relobj::do_relocate_sections): Add new parameter for output
4321         file to match the parent.
4322         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4323         of local symbols instead of input values.  Update code to track
4324         changes in gold::relocate_section.
4325         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4326         (Sized_relobj::compute_final_local_value_internal): New methods.
4327         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4328         body into private version of Sized_relobj::compute_final_local_value.
4329         Call the inline method.
4330         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4331         merged symbol value if there is one.
4332         (Symbol_value::has_output_value): New method defintiion.
4333         (Sized_relobj::Compute_final_local_value_status): New enum type.
4334         (Sized_relobj::compute_final_local_value): New methods.
4335         (Sized_relobj::compute_final_local_value_internal): New methods.
4336         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4337         and arm_cortex_a8.sh.
4338         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4339         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4340         New tests.
4341         * Makefile.in: Regenerate.
4342         * testsuite/arm_bl_out_of_range.s: Update test.
4343         * testsuite/thumb_bl_out_of_range.s: Ditto.
4344         * testsuite/thumb_blx_out_of_range.s: Ditto.
4345         * testsuite/arm_branch_out_of_range.sh: New file.
4346         * testsuite/arm_cortex_a8.sh: Ditto.
4347         * testsuite/arm_cortex_a8_b.s: Ditto.
4348         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4349         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4350         * testsuite/arm_cortex_a8_bl.s: Ditto.
4351         * testsuite/arm_cortex_a8_blx.s: Ditto.
4352         * testsuite/arm_cortex_a8_local.s: Ditto.
4353         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4354         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4355
4356 2010-09-08  Rafael Espindola  <espindola@google.com>
4357
4358         * Makefile.am (memory_test.stdout): Run readelf with -W.
4359         * Makefile.in: Regenerate.
4360         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4361         64 bit output.
4362
4363 2010-09-08  Rafael Espindola  <espindola@google.com>
4364
4365         * script-sections.cc (Script_sections::add_memory_region): Convert
4366         field precision to int.
4367         * script.cc (script_set_section_region, script_set_section_region):
4368         Convert field precision to int.
4369
4370 2010-09-08  Rafael Espindola  <espindola@google.com>
4371
4372         * arm.cc (do_finalize_sections): Create the __exidx_start and
4373         __exdix_end symbols even when the section is missing.
4374
4375 2010-09-08  Nick Clifton  <nickc@redhat.com>
4376
4377         * README: Remove claim that MEMORY is not supported.
4378         * expression.cc (script_exp_function_origin)
4379         (script_exp_function_length): Move from here to ...
4380         * script.cc: ... here.
4381         (script_set_section_region, script_add_memory)
4382         (script_parse_memory_attr, script_include_directive): New
4383         functions.
4384         * script-sections.cc
4385         (class Memory_region): New class.
4386         (class Output_section_definition): Add set_memory_region,
4387         set_section_vma, set_section_lma and get_section_name methods.
4388         (class Script_Sections): Add add_memory_region,
4389         find_memory_region, find_memory_region_origin,
4390         find_memory_region_length and set_memory_region methods.
4391         Have set_section_addresses method walk the list of set memory
4392         regions.
4393         Extend the print methos to display memory regions.
4394         * script-sections.h: Add prototypes for new methods.
4395         Add enum for MEMORY region attributes.
4396         * yyscript.y: Add support for parsing MEMORY regions.
4397         * script-c.h: Add prototypes for new functions.
4398         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4399         * testsuite/Makefile.in: Regenerate.
4400         * testsuite/memory_test.sh: New script.
4401         * testsuite/memory_test.s: New assembler source file.
4402         * testsuite/memory_test.t: New linker script.
4403
4404 2010-08-27  Doug Kwan  <dougkwan@google.com>
4405
4406         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4407         reference override an existing dynamic weak reference.
4408         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4409         * testsuite/Makefile.in: Regenerate.
4410         * testsuite/dyn_weak_ref.sh: New file.
4411         * testsuite/dyn_weak_ref_1.c: Ditto.
4412         * testsuite/dyn_weak_ref_2.c: Ditto.
4413
4414 2010-08-27  Ian Lance Taylor  <iant@google.com>
4415
4416         * incremental.h (class Incremental_input_entry): Add virtual
4417         destructor.
4418
4419 2010-08-27  Ian Lance Taylor  <iant@google.com>
4420
4421         * testsuite/start_lib_test_3.c: Mark t3 as used.
4422
4423 2010-08-27  Nick Clifton  <nickc@redhat.com>
4424
4425         * options.cc (version_script): Fix small typo in previous
4426         whitespace tidyup.
4427
4428 2010-08-25  Nick Clifton  <nickc@redhat.com>
4429
4430         * archive.cc: Formatting fixes: Remove whitespace between
4431         typename and following asterisk.  Remove whitespace between
4432         function name and opening parenthesis.
4433         * archive.h: Likewise.
4434         * arm.cc: Likewise.
4435         * attributes.cc: Likewise.
4436         * attributes.h: Likewise.
4437         * common.cc: Likewise.
4438         * copy-relocs.cc: Likewise.
4439         * dirsearch.h: Likewise.
4440         * dynobj.cc: Likewise.
4441         * ehframe.cc: Likewise.
4442         * ehframe.h: Likewise.
4443         * expression.cc: Likewise.
4444         * fileread.cc: Likewise.
4445         * fileread.h: Likewise.
4446         * gc.h: Likewise.
4447         * gold-threads.cc: Likewise.
4448         * gold.cc: Likewise.
4449         * i386.cc: Likewise.
4450         * icf.h: Likewise.
4451         * incremental-dump.cc: Likewise.
4452         * incremental.cc: Likewise.
4453         * layout.cc: Likewise.
4454         * layout.h: Likewise.
4455         * main.cc: Likewise.
4456         * merge.cc: Likewise.
4457         * merge.h: Likewise.
4458         * object.cc: Likewise.
4459         * object.h: Likewise.
4460         * options.cc: Likewise.
4461         * options.h: Likewise.
4462         * output.cc: Likewise.
4463         * output.h: Likewise.
4464         * plugin.cc: Likewise.
4465         * plugin.h: Likewise.
4466         * powerpc.cc: Likewise.
4467         * reloc.cc: Likewise.
4468         * script-c.h: Likewise.
4469         * script-sections.cc: Likewise.
4470         * script.cc: Likewise.
4471         * stringpool.cc: Likewise.
4472         * symtab.cc: Likewise.
4473         * symtab.h: Likewise.
4474         * target.cc: Likewise.
4475         * timer.cc: Likewise.
4476         * timer.h: Likewise.
4477         * version.cc: Likewise.
4478         * x86_64.cc: Likewise.
4479
4480 2010-08-24  Nick Clifton  <nickc@redhat.com>
4481
4482         PR 11899
4483         * layout.cc (segment_precedes): Sort segments by their physical
4484         addresses, if they have been set.
4485
4486 2010-08-23  Cary Coutant  <ccoutant@google.com>
4487
4488         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4489         symbols data.
4490         (Lib_group::include_member): Unlock object after deleting its
4491         symbols data.
4492         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4493         the bug fixed here.
4494
4495 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4496             Cary Coutant  <ccoutant@google.com>
4497
4498         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4499         constructor, and set_blocker.
4500         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4501         readsyms_blocker_.
4502         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4503         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4504         * testsuite/Makefile.am (start_lib_test): New test case.
4505         * testsuite/Makefile.in: Regenerate.
4506         * testsuite/start_lib_test_main.c: New file.
4507         * testsuite/start_lib_test_1.c: New file.
4508         * testsuite/start_lib_test_2.c: New file.
4509         * testsuite/start_lib_test_3.c: New file.
4510
4511 2010-08-19  Ian Lance Taylor  <iant@google.com>
4512
4513         * Makefile.in: Rebuild with automake 1.11.1.
4514         * aclocal.m4: Likewise.
4515         * testsuite/Makefile.in: Likewise.
4516
4517 2010-08-19  Ian Lance Taylor  <iant@google.com>
4518
4519         PR 10893
4520         * i386.cc (class Output_data_plt_i386): Update declarations.
4521         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4522         local_ifuncs_ fields.
4523         (Target_i386::do_plt_section_for_global): New function.
4524         (Target_i386::do_plt_section_for_local): New function.
4525         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4526         parameter; change all callers.  Initialize global_ifuncs_ and
4527         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4528         __rel_iplt_end.
4529         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4530         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4531         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4532         symbols.
4533         (Target_i386::make_plt_section): New function, broken out of
4534         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4535         (Target_i386::make_plt_entry): Call make_plt_section.
4536         (Target_i386::make_local_ifunc_plt_entry): New function.
4537         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4538         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4539         R_386_IRELATIVE to switch.
4540         (Target_i386::Scan::global): Likewise.
4541         (Target_i386::Relocate::relocate): Likewise.
4542         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4543         switch.
4544         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4545         (Target_x86_64::do_plt_section_for_global): New function.
4546         (Target_x86_64::do_plt_section_for_local): New function.
4547         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4548         parameter; change all callers.  If doing a static link define
4549         __rela_iplt_start and __rela_iplt_end.
4550         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4551         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4552         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4553         to point to .plt.
4554         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4555         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4556         switch.
4557         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4558         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4559         R_X86_64_IRELATIVE to switch.
4560         (Target_x86_64::Scan::global): Likewise.
4561         (Target_x86_64::Relocate::relocate): Likewise.
4562         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4563         switch.
4564         * target.h (class Target): Add plt_section_for_global and
4565         plt_section_for_local functions.  Add do_plt_section_for_global
4566         and do_plt_section_for_local virtual functions.
4567         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4568         clarifying comments.
4569         (Symbol::use_plt_offset): Handle IFUNC symbol.
4570         * object.cc (Sized_relobj::Sized_relobj): Initialize
4571         local_plt_offsets_.
4572         (Sized_relobj::local_has_plt_offset): New function.
4573         (Sized_relobj::local_plt_offset): New function.
4574         (Sized_relobj::set_local_plt_offset): New function.
4575         (Sized_relobj::do_count): Handle IFUNC symbol.
4576         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4577         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4578         is_ifunc_symbol functions.
4579         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4580         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4581         local_plt_offsets_ field.
4582         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4583         * output.h (class Output_section_data): Add non-const
4584         output_section function.
4585         (class Output_data_got): Update declarations.
4586         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4587         Add use_plt_offset parameter to global and local constructors.
4588         Change all callers.  Change local_sym_index_ field to 31 bits.
4589         Change GSYM_CODE and CONSTANT_CODE accordingly.
4590         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4591         doing a static link don't set sh_link field.
4592         (Output_data_got::Got_entry::write): Use PLT offset if
4593         appropriate.
4594         (Output_data_got::add_global_plt): New function.
4595         (Output_data_got::add_local_plt): New function.
4596         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4597         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4598         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4599         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4600         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4601         IFUNC conditional.
4602         * testsuite/ifunc-sel.h: New file.
4603         * testsuite/ifuncmain1.c: New file.
4604         * testsuite/ifuncmain1vis.c: New file.
4605         * testsuite/ifuncmod1.c: New file.
4606         * testsuite/ifuncdep2.c: New file.
4607         * testsuite/ifuncmain2.c: New file.
4608         * testsuite/ifuncmain3.c: New file.
4609         * testsuite/ifuncmod3.c: New file.
4610         * testsuite/ifuncmain4.c: New file.
4611         * testsuite/ifuncmain5.c: New file.
4612         * testsuite/ifuncmod5.c: New file.
4613         * testsuite/ifuncmain6pie.c: New file.
4614         * testsuite/ifuncmod6.c: New file.
4615         * testsuite/ifuncmain7.c: New file.
4616         * configure, testsuite/Makefile.in: Rebuild.
4617
4618 2010-08-18  Ian Lance Taylor  <iant@google.com>
4619
4620         * incremental.cc
4621         (Output_section_incremental_inputs::write_input_files): Add cast
4622         to avoid signed/unsigned comparison warning.
4623         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4624
4625 2010-08-12  Cary Coutant  <ccoutant@google.com>
4626
4627         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4628
4629 2010-08-13  Ian Lance Taylor  <iant@google.com>
4630
4631         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4632
4633 2010-08-12  Cary Coutant  <ccoutant@google.com>
4634             Doug Kwan  <dougkwan@google.com>
4635
4636         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4637         defintion overrides non-weak undef, remember that the original undef
4638         is not weak.
4639         * symtab.cc (Symbol_table::sized_write_global): For undef without
4640         an original weak binding, set binding to global in output.
4641         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4642         * testsuite/Makefile.in: Regenerate.
4643         * testsuite/strong_ref_weak_def.sh: New file.
4644         * testsuite/strong_ref_weak_def_1.c: Ditto.
4645         * testsuite/strong_ref_weak_def_2.c: Ditto.
4646
4647 2010-08-12  Cary Coutant  <ccoutant@google.com>
4648
4649         * testsuite/incremental_test.sh: Rewrite.
4650         * testsuite/incremental_test_1.c: Rewrite.
4651         * testsuite/incremental_test_2.c: Rewrite.
4652
4653 2010-08-12  Cary Coutant  <ccoutant@google.com>
4654
4655         * arm.cc (Target_arm::got_size): Add const.
4656         (Target_arm::got_entry_count): New function.
4657         (Target_arm::plt_entry_count): New function.
4658         (Target_arm::first_plt_entry_offset): New function.
4659         (Target_arm::plt_entry_size): New function.
4660         (Output_data_plt_arm::entry_count): New function.
4661         (Output_data_plt_arm::first_plt_entry_offset): New function.
4662         (Output_data_plt_arm::get_plt_entry_size): New function.
4663         * i386.cc (Target_i386::got_size): Add const.
4664         (Target_i386::got_entry_count): New function.
4665         (Target_i386::plt_entry_count): New function.
4666         (Target_i386::first_plt_entry_offset): New function.
4667         (Target_i386::plt_entry_size): New function.
4668         (Output_data_plt_i386::entry_count): New function.
4669         (Output_data_plt_i386::first_plt_entry_offset): New function.
4670         (Output_data_plt_i386::get_plt_entry_size): New function.
4671         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4672         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4673         * incremental.cc: Include target.h.
4674         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4675         parameter.  Adjust all callers.  Find incremental_got_plt section.
4676         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4677         section.
4678         (Output_section_incremental_inputs::set_final_data_size): Calculate
4679         size of incremental_got_plt section.
4680         (Output_section_incremental_inputs::do_write): Write the
4681         incremental_got_plt section.
4682         (Got_plt_view_info): New struct.
4683         (Local_got_offset_visitor): New class.
4684         (Global_got_offset_visitor): New class.
4685         (Global_symbol_visitor_got_plt): New class.
4686         (Output_section_incremental_inputs::write_got_plt): New function.
4687         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4688         Add parameter.  Adjust all callers.
4689         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4690         (Incremental_inputs::got_plt_section): New function.
4691         (Incremental_inputs::got_plt_section_): New data member.
4692         (Incremental_got_plt_reader): New class.
4693         * layout.cc (Layout::create_incremental_info_sections): Add the
4694         incremental_got_plt section.
4695         * object.h (Got_offset_list::get_list): New function.
4696         (Got offset_list::for_all_got_offsets): New function.
4697         (Sized_relobj::local_got_offset_list): New function.
4698         * powerpc.cc (Target_powerpc::got_size): Add const.
4699         (Target_powerpc::got_entry_count): New function.
4700         (Target_powerpc::plt_entry_count): New function.
4701         (Target_powerpc::first_plt_entry_offset): New function.
4702         (Target_powerpc::plt_entry_size): New function.
4703         (Output_data_plt_powerpc::entry_count): New function.
4704         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4705         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4706         * sparc.cc (Target_sparc::got_size): Add const.
4707         (Target_sparc::got_entry_count): New function.
4708         (Target_sparc::plt_entry_count): New function.
4709         (Target_sparc::first_plt_entry_offset): New function.
4710         (Target_sparc::plt_entry_size): New function.
4711         (Output_data_plt_sparc::entry_count): New function.
4712         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4713         (Output_data_plt_sparc::get_plt_entry_size): New function.
4714         * symtab.h (Symbol::got_offset_list): New function.
4715         (Symbol_table::for_all_symbols): New function.
4716         * target.h (Sized_target::got_entry_count): New function.
4717         (Sized_target::plt_entry_count): New function.
4718         (Sized_target::plt_entry_size): New function.
4719         * x86_64.cc (Target_x86_64::got_size): Add const.
4720         (Target_x86_64::got_entry_count): New function.
4721         (Target_x86_64::plt_entry_count): New function.
4722         (Target_x86_64::first_plt_entry_offset): New function.
4723         (Target_x86_64::plt_entry_size): New function.
4724         (Output_data_plt_x86_64::entry_count): New function.
4725         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4726         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4727
4728 2010-08-12  Cary Coutant  <ccoutant@google.com>
4729
4730         * archive.cc: Include incremental.h.
4731         (Archive::Archive): Initialize incremental_info_.
4732         (Archive::include_member): Record archive members in incremental info.
4733         (Add_archive_symbols::run): Record begin and end of an archive in
4734         incremental info.
4735         (Lib_group::include_member): Record objects in incremental info.
4736         * archive.h (Incremental_archive_entry): Forward declaration.
4737         (Archive::set_incremental_info): New member function.
4738         (Archive::incremental_info): New member function.
4739         (Archive::Unused_symbol_iterator): New class.
4740         (Archive::unused_symbols_begin): New member function.
4741         (Archive::unused_symbols_end): New member function.
4742         (Archive::incremental_info_): New data member.
4743         * incremental-dump.cc (find_input_containing_global): New function.
4744         (dump_incremental_inputs): Dump new incremental info sections.
4745         * incremental.cc: Include symtab.h.
4746         (Output_section_incremental_inputs): New class.
4747         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4748         new incremental info sections.
4749         (Sized_incremental_binary::do_check_inputs): Likewise.
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): New function.
4754         (Incremental_inputs::finalize_inputs): Remove.
4755         (Incremental_inputs::report_input_section): New function.
4756         (Incremental_inputs::report_script): Rewrite.
4757         (Incremental_inputs::finalize): Do nothing but finalize string table.
4758         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4759         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4760         (Incremental_inputs::create_data_sections): New function.
4761         (Incremental_inputs::relocs_entsize): New function.
4762         (Output_section_incremental_inputs::set_final_data_size): New function.
4763         (Output_section_incremental_inputs::do_write): New function.
4764         (Output_section_incremental_inputs::write_header): New function.
4765         (Output_section_incremental_inputs::write_input_files): New function.
4766         (Output_section_incremental_inputs::write_info_blocks): New function.
4767         (Output_section_incremental_inputs::write_symtab): New function.
4768         * incremental.h (Incremental_script_entry): Forward declaration.
4769         (Incremental_object_entry): Forward declaration.
4770         (Incremental_archive_entry): Forward declaration.
4771         (Incremental_inputs): Forward declaration.
4772         (Incremental_inputs_header_data): Remove.
4773         (Incremental_inputs_header): Remove.
4774         (Incremental_inputs_header_write): Remove.
4775         (Incremental_inputs_entry_data): Remove.
4776         (Incremental_inputs_entry): Remove.
4777         (Incremental_inputs_entry_write): Remove.
4778         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4779         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4780         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4781         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4782         Likewise.
4783         (Incremental_input_entry): New class.
4784         (Incremental_script_entry): New class.
4785         (Incremental_object_entry): New class.
4786         (Incremental_archive_entry): New class.
4787         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4788         (Incremental_inputs::report_inputs): Remove.
4789         (Incremental_inputs::report_archive): Remove.
4790         (Incremental_inputs::report_archive_begin): New function.
4791         (Incremental_inputs::report_archive_end): New function.
4792         (Incremental_inputs::report_object): Change prototype.
4793         (Incremental_inputs::report_input_section): New function.
4794         (Incremental_inputs::report_script): Change prototype.
4795         (Incremental_inputs::get_reloc_count): New function.
4796         (Incremental_inputs::set_reloc_count): New function.
4797         (Incremental_inputs::create_data_sections): New function.
4798         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4799         (Incremental_inputs::inputs_section): New function.
4800         (Incremental_inputs::symtab_section): New function.
4801         (Incremental_inputs::relocs_section): New function.
4802         (Incremental_inputs::get_stringpool): Add const.
4803         (Incremental_inputs::command_line): Add const.
4804         (Incremental_inputs::inputs): Remove.
4805         (Incremental_inputs::command_line_key): New function.
4806         (Incremental_inputs::input_file_count): New function.
4807         (Incremental_inputs::input_files): New function.
4808         (Incremental_inputs::relocs_entsize): New function.
4809         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4810         (Incremental_inputs::finalize_inputs): Remove.
4811         (Incremental_inputs::Input_info): Remove.
4812         (Incremental_inputs::lock_): Remove.
4813         (Incremental_inputs::inputs_): Change type.
4814         (Incremental_inputs::inputs_map_): Remove.
4815         (Incremental_inputs::current_object_entry_): New data member.
4816         (Incremental_inputs::inputs_section_): New data member.
4817         (Incremental_inputs::symtab_section_): New data member.
4818         (Incremental_inputs::relocs_section_): New data member.
4819         (Incremental_inputs::reloc_count_): New data member.
4820         (Incremental_inputs_reader): New class.
4821         (Incremental_symtab_reader): New class.
4822         (Incremental_relocs_reader): New class.
4823         * layout.cc (Layout::finalize): Move finalization of incremental info
4824         and creation of incremental info sections to follow finalization of
4825         symbol table.  Set offsets for postprocessing sections.
4826         (Layout::create_incremental_info_sections): Call
4827         Incremental_inputs::create_data_sections.  Add incremental symtab
4828         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4829         sections to layout after input sections.
4830         * layout.h (struct Timespec): Forward declaration.
4831         (Layout::incremental_inputs): Add const.
4832         (Layout::create_incremental_info_sections): Add parameter.
4833         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4834         * object.cc: Include incremental.h.
4835         (Relobj::finalize_incremental_relocs): New function.
4836         (Sized_relobj::do_layout): Record input sections in incremental info.
4837         * object.h (Object::output_section): New function.
4838         (Object::output_section_offset): Moved from Relobj.
4839         (Object::get_incremental_reloc_base): New function.
4840         (Object::get_incremental_reloc_count): New function.
4841         (Object::do_output_section): New function.
4842         (Object::do_output_section_offset): Moved from Relobj.
4843         (Object::do_get_incremental_reloc_base): New function.
4844         (Object::do_get_incremental_reloc_count): New function.
4845         (Object::Object): Initialize new data members.
4846         (Relobj::output_section): Renamed do_output_section and moved to
4847         protected.
4848         (Relobj::output_section_offset): Moved to Object.
4849         (Relobj::do_get_incremental_reloc_base): New function.
4850         (Relobj::do_get_incremental_reloc_count): New function.
4851         (Relobj::allocate_incremental_reloc_counts): New function.
4852         (Relobj::count_incremental_reloc): New function.
4853         (Relobj::finalize_incremental_relocs): New function.
4854         (Relobj::next_incremental_reloc_index): New function.
4855         (Relobj::reloc_counts_): New data member.
4856         (Relobj::reloc_bases_): New data member.
4857         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4858         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4859         (Sized_relobj::incremental_relocs_scan): New function.
4860         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4861         (Sized_relobj::incremental_relocs_write): New function.
4862         (Sized_relobj::incremental_relocs_write_reltype): New function.
4863         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4864         incremental link.
4865         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4866         archives and object files elsewhere.
4867         (Add_symbols::run): Report object files here.
4868         (Finish_group::run): Report end of archive at end of group.
4869         * reloc.cc: Include layout.h, incremental.h.
4870         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4871         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4872         (Sized_relobj::incremental_relocs_scan): New function.
4873         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4874         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4875         (Sized_relobj::incremental_relocs_write): New function.
4876         (Sized_relobj::incremental_relocs_write_reltype): New function.
4877         * script.cc (read_input_script): Rewrite test for incremental link.
4878         Change call to Incremental_inputs::report_script.
4879         * symtab.h (Symbol_table::first_global_index): New function.
4880         (Symbol_table::output_count): New function.
4881
4882 2010-08-12  Doug Kwan  <dougkwan@google.com>
4883
4884         * arm.cc (Target_arm::merge_object_attributes): Check command line
4885         options --no-wchar-size-warning and --no-enum-size-warning.
4886         * options.h (General_options): Add ld-compatible options
4887         --no-enum-size-warning and --no-wchar-size-warning.
4888
4889 2010-08-04  Ian Lance Taylor  <iant@google.com>
4890
4891         * x86_64.cc (Target_x86_64::Scan::local): Use
4892         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4893         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4894         (Target_x86_64::Scan::global): Likewise.
4895         (Target_x86_64::Relocate::relocate): Likewise.
4896         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4897         Likewise.
4898
4899 2010-08-03  Cary Coutant  <ccoutant@google.com>
4900
4901         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4902         to reserve space in merged_strings vector. Keep total input size
4903         for stats.
4904         (Output_merge_string::do_print_merge_stats): Print total input size.
4905         * merge.h (Output_merge_string): Add input_size_ field.
4906         * stringpool.cc (Stringpool_template::string_length): Move
4907         implementations out of Stringpool_template class and place in
4908         stringpool.h.
4909         * stringpool.h (string_length): Move out of Stringpool_template.
4910
4911 2010-08-03  Ian Lance Taylor  <iant@google.com>
4912
4913         PR 11712
4914         * layout.cc (relaxation_loop_body): If address of load segment is
4915         set, adjust address to include headers if possible.
4916
4917 2010-08-03  Ian Lance Taylor  <iant@google.com>
4918
4919         * version.cc (version_string): Bump to 1.10.
4920
4921 2010-08-03  Ian Lance Taylor  <iant@google.com>
4922
4923         PR 11805
4924         * layout.h (enum Output_section_order): Define.
4925         (class Layout): Update declarations.
4926         * layout.cc (Layout::get_output_section): Add order parameter.
4927         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4928         is_first_non_relro parameters.  Change all callers.
4929         (Layout::choose_output_section): Likewise.
4930         (Layout::add_output_section_data): Likewise.
4931         (Layout::make_output_section): Likewise.  Set order.
4932         (Layout::default_section_order): New function.
4933         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4934         * output.cc (Output_section::Output_section): Initialize order_.
4935         Don't initialize deleted fields.
4936         (Output_segment::Output_segment): Don't initialize deleted
4937         fields.
4938         (Output_segment::add_output_section_to_load): New function
4939         replacing add_output_section.  Change all callers to call this or
4940         add_output_section_to_nonload.
4941         (Output_segment::add_output_section_to_nonload): New function.
4942         (Output_segment::remove_output_section): Rewrite.
4943         (Output_segment::add_initial_output_data): Likewise.
4944         (Output_segment::has_any_data_sections): Likewise.
4945         (Output_segment::is_first_section_relro): Likewise.
4946         (Output_segment::maximum_alignment): Likewise.
4947         (Output_segment::has_dynamic_reloc): New function replacing
4948         dynamic_reloc_count.  Change all callers.
4949         (Output_segment::has_dynamic_reloc_list): New function replacing
4950         dynamic_reloc_count_list.  Change all callers.
4951         (Output_segment::set_section_addresses): Rewrite.
4952         (Output_segment::set_offset): Rewrite.
4953         (Output_segment::find_first_and_last_list): Remove.
4954         (Output_segment::set_tls_offsets): Rewrite.
4955         (Output_segment::first_section_load_address): Likewise.
4956         (Output_segment::output_section_count): Likewise.
4957         (Output_segment::section_with_lowest_load_address): Likewise.
4958         (Output_segment::write_section_headers): Likewise.
4959         (Output_segment::print_sections_to_map): Likewise.
4960         * output.h (class Output_data): Remove dynamic_reloc_count_
4961         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4962         (Output_data::add_dynamic_reloc): Rewrite.
4963         (Output_data::has_dynamic_reloc): New function.
4964         (Output_data::dynamic_reloc_count): Remove.
4965         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4966         is_last_relro_, is_first_non_relro_, is_interp_,
4967         is_dynamic_linker_section_ fields.  Add order and set_order
4968         functions.  Remove is_relro_local, set_is_relro_local,
4969         is_last_relro, set_is_last_relro, is_first_non_relro,
4970         set_is_first_non_relro functions, is_interp, set_is_interp,
4971         is_dynamic_linker_section, and set_is_dynamic_linker_section
4972         functions.
4973         (class Output_segment): Change Output_data_list from std::list to
4974         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4975         output_bss_ fields.  Update declarations.
4976
4977 2010-08-02  Ian Lance Taylor  <iant@google.com>
4978
4979         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4980         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4981         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4982
4983 2010-08-02  Ian Lance Taylor  <iant@google.com>
4984
4985         PR 11855
4986         * script.cc (Script_options::Script_options): Initialize
4987         symbol_definitions_ and symbol_references_.
4988         (Script_options::add_symbol_assignment): Update
4989         symbol_definitions_ and symbol_references_.
4990         (Script_options::add_symbol_reference): New function.
4991         (script_symbol): New function.
4992         * script.h (class Script_options): Add symbol_definitions_ and
4993         symbol_references_ fields.
4994         (Script_options::referenced_const_iterator): New type.
4995         (Script_options::referenced_begin): New function.
4996         (Script_options::referenced_end): New function.
4997         (Script_options::is_referenced): New function.
4998         (Script_options::any_unreferenced): New function.
4999         * script-c.h (script_symbol): Declare.
5000         * yyscript.y (exp): Call script_symbol.
5001         * symtab.cc: Include "script.h".
5002         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5003         Change all callers.  Check symbols referenced by scripts.
5004         (Symbol_table::add_undefined_symbols_from_command_line): Add
5005         layout parameter.  Change all callers.
5006         (Symbol_table::do_add_undefined_symbols_from_command_line):
5007         Likewise.  Break out loop body.  Check symbols referenced by
5008         scripts.
5009         (Symbol_table::add_undefined_symbol_from_command_line): New
5010         function broken out of
5011         do_add_undefined_symbols_from_command_line.
5012         * symtab.h (class Symbol_table): Update declarations.
5013         * archive.cc: Include "layout.h".
5014         (Archive::should_include_member): Add layout parameter.  Change
5015         all callers.  Check for symbol mentioned in expression.
5016         * archive.h (class Archive): Update declaration.
5017         * object.cc (Sized_relobj::do_should_include_member): Add layout
5018         parameter.
5019         * object.h (Object::should_include_member): Add layout parameter.
5020         Change all callers.
5021         (Object::do_should_include_member): Add layout parameter.
5022         (class Sized_relobj): Update declaration.
5023         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5024         parameter.
5025         * dynobj.h (class Sized_dynobj): Update declaration.
5026         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5027         layout parameter.
5028         * plugin.h (class Sized_pluginobj): Update declaration.
5029
5030 2010-08-02  Ian Lance Taylor  <iant@google.com>
5031
5032         PR 11866
5033         * output.cc (Output_segment::set_offset): Search for the first and
5034         last sections rather than assuming that the list is in order.
5035         (Output_segment::find_first_and_last_list): New function.
5036         * output.h (class Output_segment): Update declarations.
5037         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5038         (relro_strip_test_SOURCES): New variable.
5039         (relro_strip_test_DEPENDENCIES): New variable.
5040         (relro_strip_test_LDFLAGS): New variable.
5041         (relro_strip_test_LDADD): New variable.
5042         (relro_strip_test.so): New target.
5043
5044 2010-08-02  Ian Lance Taylor  <iant@google.com>
5045
5046         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5047         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5048         (Target_i386::got_tlsdesc_section): New function.
5049         (Target_i386::got_section): Create space for GOT entries for
5050         TLSDESC relocations.
5051         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5052         R_386_TLS_GOTDESC.
5053         (Target_i386::Scan::global): Likewise.
5054         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5055         using TLSDESC GOT.
5056         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5057         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5058         (Target_x86_64::got_tlsdesc_section): New function.
5059         (Target_x86_64::got_section): Create space for GOT entries for
5060         TLSDESC relocations.
5061         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5062         R_386_TLS_GOTDESC.
5063         (Target_x86_64::Scan::global): Likewise.
5064         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5065         using TLSDESC GOT.
5066
5067 2010-08-02  Ian Lance Taylor  <iant@google.com>
5068
5069         * testsuite/final_layout.sh: Use dc to convert from hex to
5070         decimal.
5071
5072 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5073
5074         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5075         paramter to the call to gold::gc_process_relocs.
5076         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5077         paramter to the call to gold::gc_process_relocs.
5078         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5079         parameter to the call to gold::gc_process_relocs.
5080         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5081         template parameter to the call to gold::gc_process_relocs.
5082         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5083         paramter to the call to gold::gc_process_relocs.
5084         * gc.h (get_embedded_addend_size): New function.
5085         (gc_process_relocs): Save the size of the reloc for use by ICF.
5086         * icf.cc (get_section_contents): Get the addend from the text section
5087         for SHT_REL relocation sections.
5088         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5089         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5090         * int_encoding.h (read_from_pointer): New overloaded function.
5091         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5092         * testsuite/icf_sht_rel_addend_test.sh: New file.
5093         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5094         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5095
5096 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5097
5098         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5099         * Makefile.in: Regenerate.
5100         * testsuite/Makefile.in: Regenerate.
5101
5102 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5103
5104         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5105         * gold/testsuite/debug_msg.cc: Likewise.
5106         * gold/testsuite/odr_violation1.cc
5107         * gold/testsuite/odr_violation2.cc
5108
5109 2010-07-21  Cary Coutant  <ccoutant@google.com>
5110
5111         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5112         string, and length fields.
5113         (Output_merge_string::Merged_strings_list): New type.
5114         (Output_merge_string::Merged_strings_lists): New typedef.
5115         (Output_merge_string): Replace merged_strings_ with
5116         merged_strings_lists_.
5117         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5118         Merged_strings_list per input object and section.  Don't store pointer
5119         to the string.  Don't store length with each merged string entry.
5120         (Output_merge_string::finalize_merged_data): Loop over list of merged
5121         strings lists.  Recompute length of each merged string.
5122
5123 2010-07-15  Cary Coutant  <ccoutant@google.com>
5124
5125         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5126         here.
5127
5128 2010-07-14  Ian Lance Taylor  <iant@google.com>
5129
5130         * descriptors.cc (Descriptors::open): Report correct name in error
5131         message.
5132
5133 2010-07-13  Doug Kwan  <dougkwan@google.com>
5134
5135         * arm.cc (Arm_input_section::Arm_input_section): For a
5136         SHT_ARM_EXIDX section, always keeps the input sections.
5137         (Arm_input_section::set_exidx_section_link): New method.
5138         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5139         has_errors_ to false.
5140         (Arm_exidx_input_section::has_errors,
5141         Arm_exidx_input_section::set_has_errors): New methods.
5142         (Arm_exidx_input_section::has_errors_): New data member.
5143         (Arm_relobj::get_exidx_shndx_list): New method.
5144         (Arm_output_section::append_text_sections_to_list): Do not skip
5145         section without SHF_EXECINSTR.
5146         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5147         errors.
5148         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5149         section header.  Make error messages more verbose.  Check for
5150         a non-executable section linked to an EXIDX section.
5151         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5152         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5153         check that there is no deferred EXIDX section if we exit early.
5154         Instead of not making an EXIDX section in case of an error, make one
5155         and set the has_errors flag of it.
5156         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5157         in a relocatable link.
5158         (Target_arm::do_relax): Look for the EXIDX output section instead of
5159         assuming that it is called .ARM.exidx.
5160         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5161         section list.  Do not check for SHF_EXECINSTR section flags but
5162         skip any input section with errors.
5163         * output.cc (Output_section::Output_section): Initialize
5164         always_keeps_input_sections_ to false.
5165         (Output_section::add_input_section): Check for
5166         always_keeps_input_sections_.
5167         *  output.h (Output_section::always_keeps_input_sections,
5168         Output_section::set_always_keeps_input_sections): New methods.
5169         (Output_section::always_keeps_input_sections): New data member.
5170
5171 2010-07-13  Rafael Espindola  <espindola@google.com>
5172
5173         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5174         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5175
5176 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5177             Ian Lance Taylor  <iant@google.com>
5178
5179         * output.h (Output_section_lookup_maps::add_merge_section):
5180         Correct check of whether value was inserted.
5181         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5182         (Output_section_lookup_maps::add_relaxed_input_section):
5183         Likewise.
5184         * arm.cc (Target_arm::got_section): Remove used local os.
5185         * i386.cc (Target_i386::got_section): Likewise.
5186         * x86_64.cc (Target_x86_64::got_section): Likewise.
5187         * sparc.cc (Target_sparc::got_section): Likewise.
5188         (Target_sparc::relocate): Remove unused local have_got_offset.
5189         * powerpc.cc (Target_powerpc::relocate): Likewise.
5190
5191 2010-07-13  Ian Lance Taylor  <iant@google.com>
5192
5193         * compressed_output.cc (zlib_decompress): Fix signature in
5194         !HAVE_ZLIB_H case.
5195
5196         * archive.cc (Archive::include_member): Unlock an external member
5197         of a thin archive.  Don't bother to delete an object we know is
5198         NULL.
5199
5200 2010-07-12  Cary Coutant  <ccoutant@google.com>
5201
5202         * compressed_output.cc (zlib_decompress): New function.
5203         (get_uncompressed_size): New function.
5204         (decompress_input_section): New function.
5205         * compressed_output.h (get_uncompressed_size): New function.
5206         (decompress_input_section): New function.
5207         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5208         Handle compressed debug sections.
5209         * layout.cc (is_compressed_debug_section): New function.
5210         (Layout::output_section_name): Map compressed section names to
5211         canonical names.
5212         * layout.h (is_compressed_debug_section): New function.
5213         (is_debug_info_section): Recognize compressed debug sections.
5214         * merge.cc: Include compressed_output.h.
5215         (Output_merge_data::do_add_input_section): Handle compressed
5216         debug sections.
5217         (Output_merge_string::do_add_input_section): Handle compressed
5218         debug sections.
5219         * object.cc: Include compressed_output.h.
5220         (Sized_relobj::Sized_relobj): Initialize new data members.
5221         (build_compressed_section_map): New function.
5222         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5223         * object.h (Object::section_is_compressed): New method.
5224         (Object::do_section_is_compressed): New method.
5225         (Sized_relobj::Compressed_section_map): New type.
5226         (Sized_relobj::do_section_is_compressed): New method.
5227         (Sized_relobj::compressed_sections_): New data member.
5228         * output.cc (Output_section::add_input_section): Handle compressed
5229         debug sections.
5230         * reloc.cc: Include compressed_output.h.
5231         (Sized_relobj::write_sections): Handle compressed debug sections.
5232
5233 2010-07-08  Cary Coutant  <ccoutant@google.com>
5234
5235         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5236         weak when resolving to a dynamic def.
5237         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5238         for weak undef/dynamic def cases. Adjust callers.
5239         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5240         undef_binding_weak_.
5241         (Symbol_table::sized_write_globals): Adjust symbol binding.
5242         (Symbol_table::sized_write_symbol): Add binding parameter.
5243         * symtab.h (Symbol::set_undef_binding): New method.
5244         (Symbol::is_undef_binding_weak): New method.
5245         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5246         (Symbol_table::should_override): Add new parameter.
5247         (Symbol_table::sized_write_symbol): Add new parameter.
5248
5249         * testsuite/weak_undef_file1.cc: Add new test case.
5250         * testsuite/weak_undef_file2.cc: Fix header comment.
5251         * testsuite/weak_undef_test.cc: Add new test case.
5252
5253 2010-06-29  Doug Kwan  <dougkwan@google.com>
5254
5255         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5256         Initialize USE_SYMBOL_.
5257         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5258         definition.
5259         (Arm_reloc_property::uses_symbol_): New data member declaration.
5260         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5261         uses symbol value and symbol is undefined but not weakly undefined.
5262
5263 2010-06-28  Rafael Espindola  <espindola@google.com>
5264
5265         * plugin.cc (Plugin::load): Use dlerror.
5266
5267 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5268
5269         * symtab.cc (detect_odr_violations): When reporting an ODR
5270         violation, report an object where the symbol is defined.
5271
5272 2010-06-25  Doug Kwan  <dougkwan@google.com>
5273
5274         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5275         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5276         definition.
5277         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5278         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5279         target hook to detect function points.
5280         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5281         * icf.h (Icf::check_section_for_function_pointers): Change type of
5282         parameter SECTION_NAME to const reference to std::string.  Use
5283         target hook to determine if section may have unsafe pointers.
5284         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5285         method definition.
5286
5287 2010-06-21  Rafael Espindola  <espindola@google.com>
5288
5289         * fileread.cc (Input_file::find_fie): New
5290         (Input_file::open): Use Input_file::find_fie.
5291         * fileread.h (Input_file::find_fie): New
5292         * plugin.cc (set_extra_library_path): New.
5293         (Plugin::load): Add set_extra_library_path to the transfer vector.
5294         (Plugin_manager::set_extra_library_path): New.
5295         (Plugin_manager::add_input_file): Use the extra search path if set.
5296         (set_extra_library_path(): New.
5297         * plugin.h (Plugin_manager): Add set_extra_library_path and
5298         extra_search_path_.
5299
5300 2010-06-19  Cary Coutant  <ccoutant@google.com>
5301
5302         * layout.cc (gdb_sections): Add .debug_types.
5303         (lines_only_debug_sections): Likewise.
5304
5305 2010-06-18  Rafael Espindola  <espindola@google.com>
5306
5307         * plugin.cc (add_input_file,add_input_library)
5308         (Plugin_manager::add_input_file): Make filename arguments const.
5309         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5310         const.
5311
5312 2010-06-16  Doug Kwan  <dougkwan@google.com>
5313
5314         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5315         .ARM.attributes section if we have not merged any input
5316         attributes sections.
5317
5318 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5319
5320         * arm.cc: Allow combining objects with no EABI version
5321         information.
5322
5323 2010-06-15  Rafael Espindola  <espindola@google.com>
5324
5325         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5326
5327 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5328
5329         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5330         (struct iovec): Correct !HAVE_READV definition.
5331
5332 2010-06-10  Cary Coutant  <ccoutant@google.com>
5333
5334         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5335         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5336         reloc sections.
5337         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5338
5339         PR 11683
5340         * symtab.h (Symbol::is_placeholder): New member function.
5341         * target-reloc.h (relocate_section): Check for placeholder symbols.
5342
5343         * testsuite/Makefile.am (plugin_test_8): New test.
5344         (plugin_test_9): New test.
5345         * testsuite/Makefile.in: Regenerate.
5346
5347 2010-06-09  Nick Clifton  <nickc@redhat.com>
5348
5349         * yyscript.y (input_list_element): Allow strings prefixed with
5350         the '-' character.  Treat these as libraries.
5351         * script.cc (script_add_library): New function.  Adds a library
5352         specified by "-l<name>" found in an input script.
5353         * script-c.h: Add prototype for script_add_library.
5354
5355 2010-06-07  Doug Kwan  <dougkwan@google.com>
5356
5357         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5358         Restrict stub-group size to be within long conditional branch
5359         range when working around cortex-A8 erratum.
5360
5361 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5362
5363         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5364         #ifdef typo.
5365
5366 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5367
5368         PR gold/11658
5369         * output.cc
5370         (Output_section::Input_section_sort_entry::compare_section_ordering):
5371         Change to return non-zero correctly.
5372         (Output_section::Input_section_sort_section_order_index_compare
5373         ::operator()): Change to fix ambiguity in comparisons.
5374
5375 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5376
5377         * gold.h (is_wildcard_string): New function.
5378         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5379         (Layout::layout_eh_frame): Ditto.
5380         (Layout::find_section_order_index): New method.
5381         (Layout::read_layout_from_file): New method.
5382         * layout.h (Layout::find_section_order_index): New method.
5383         (Layout::read_layout_from_file): New method.
5384         (Layout::input_section_position_): New private member.
5385         (Layout::input_section_glob_): New private member.
5386         * main.cc (main): Call read_layout_from_file here.
5387         * options.h (--section-ordering-file): New option.
5388         * output.cc (Output_section::input_section_order_specified_): New
5389         member.
5390         (Output_section::Output_section): Initialize new member.
5391         (Output_section::add_input_section): Add new parameter.
5392         Keep input sections when --section-ordering-file is used.
5393         (Output_section::set_final_data_size): Sort input sections when
5394         section ordering file is specified.
5395         (Output_section::Input_section_sort_entry): Add new parameter.
5396         Check sorting type.
5397         (Output_section::Input_section_sort_entry::compare_section_ordering):
5398         New method.
5399         (Output_section::Input_section_sort_compare::operator()): Change to
5400         consider section_order_index.
5401         (Output_section::Input_section_sort_init_fini_compare::operator()):
5402         Change to consider section_order_index.
5403         (Output_section::Input_section_sort_section_order_index_compare
5404         ::operator()): New method.
5405         (Output_section::sort_attached_input_sections): Change to sort
5406         according to section order when specified.
5407         (Output_section::add_input_section<32, true>): Add new parameter.
5408         (Output_section::add_input_section<64, true>): Add new parameter.
5409         (Output_section::add_input_section<32, false>): Add new parameter.
5410         (Output_section::add_input_section<64, false>): Add new parameter.
5411         * output.h (Output_section::add_input_section): Add new parameter.
5412         (Output_section::input_section_order_specified): New
5413         method.
5414         (Output_section::set_input_section_order_specified): New method.
5415         (Input_section::Input_section): Initialize section_order_index_.
5416         (Input_section::section_order_index): New method.
5417         (Input_section::set_section_order_index): New method.
5418         (Input_section::section_order_index_): New member.
5419         (Input_section::Input_section_sort_section_order_index_compare): New
5420         struct.
5421         (Output_section::input_section_order_specified_): New member.
5422         * script-sections.cc (is_wildcard_string): Delete and move modified
5423         method to gold.h.
5424         (Output_section_element_input::Output_section_element_input): Modify
5425         call to is_wildcard_string.
5426         (Output_section_element_input::Input_section_pattern
5427         ::Input_section_pattern): Ditto.
5428         (Output_section_element_input::Output_section_element_input): Ditto.
5429         * testsuite/Makefile.am (final_layout): New test case.
5430         * testsuite/Makefile.in: Regenerate.
5431         * testsuite/final_layout.cc: New file.
5432         * testsuite/final_layout.sh: New file.
5433
5434 2010-06-01  Rafael Espindola  <espindola@google.com>
5435
5436         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5437
5438 2010-06-01  Rafael Espindola  <espindola@google.com>
5439
5440         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5441         visibility of symbols.
5442
5443 2010-05-27  Doug Kwan  <dougkwan@google.com>
5444
5445         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5446         from start of output section instead of address for a local symbol
5447         in a merged or relaxed section when doing a relocatable link.
5448
5449 2010-05-26  Rafael Espindola  <espindola@google.com>
5450
5451        PR 11604
5452         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5453         adding sections the garbage collector removed.
5454         * gold/testsuite/Makefile.am: Add test.
5455         * gold/testsuite/Makefile.in: Regenerate.
5456         * gold/testsuite/plugin_test_7.sh: New.
5457         * gold/testsuite/plugin_test_7_1.c: New.
5458         * gold/testsuite/plugin_test_7_2.c: New.
5459
5460 2010-05-26  Rafael Espindola  <espindola@google.com>
5461
5462         * script-sections.cc (Output_section_definition::set_section_addresses):
5463         Check for --section-start.
5464
5465 2010-05-26  Doug Kwan  <dougkwan@google.com>
5466
5467         * arm.cc (Arm_scan_relocatable_relocs): New class.
5468         (Target_arm::relocate_special_relocatable): New method.
5469         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5470         (Arm_relocate_functions::thumb_branch_common): Same.
5471         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5472         instead of Default_scan_relocatable_relocs.
5473         * target-reloc.h (relocate_for_relocatable): Let target handle
5474         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5475         * target.h (Sized_target::relocate_special_relocatable): New method.
5476
5477 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5478
5479         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5480
5481 2010-05-23  Doug Kwan  <dougkwan@google.com>
5482
5483         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5484         instead of a cast.
5485         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5486         with a direct branch, not a conditional branch, to a stub.
5487         * merge.cc (Output_merge_base::record_input_section): New method
5488         defintion.
5489         (Output_merge_data::do_add_input_section): Record input section if
5490         keeps-input-sections flag is set.
5491         (Output_merge_string::do_add_input_section): Ditto.
5492         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5493         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5494         INPUT_SECTIONS_.
5495         (Output_merge_base::keeps_input_sections,
5496         Output_merge_base::set_keeps_input_sections,
5497         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5498         method definitions.
5499         (Output_merge_base::Input_sections): New type declaration.
5500         (Output_merge_base::input_sections_begin,
5501         Output_merge_base::input_sections_end,
5502         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5503         (Output_merge_base::bool keeps_input_sections_,
5504         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5505         Output_merge_base::input_sections_): New data members.
5506         (Output_merge_data::do_set_keeps_input_sections): New method
5507         defintion.
5508         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5509         * output.cc (Output_section::Input_section::relobj): Move method
5510         defintion from class declaration to here and handle merge sections.
5511         (Output_section::Input_section::shndx): Ditto.
5512         (Output_section::Output_section): Remove initializations of removed
5513         data members and initialize new data member LOOKUP_MAPS_.
5514         (Output_section::add_input_section): Set keeps-input-sections flag
5515         for a newly created merge output section as appropriate.  Adjust code
5516         to use Output_section_lookup_maps class.
5517         (Output_section::add_relaxed_input_section): Adjst code for lookup
5518         maps code refactoring.
5519         (Output_section::add_merge_input_section): Add a new parameter
5520         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5521         class.  If adding input section to a newly created merge output
5522         section fails, remove the new merge section.
5523         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5524         Adjust code for use of the Output_section_lookup_maps class.
5525         (Output_section::find_merge_section): Ditto.
5526         (Output_section::build_lookup_maps): New method defintion.
5527         (Output_section::find_relaxed_input_section): Adjust code to use
5528         Output_section_lookup_maps class.
5529         (Output_section::get_input_sections): Export merge sections.  Adjust
5530         code to use Output_section_lookup_maps class.
5531         (Output_section:::add_script_input_section): Adjust code to use
5532         Output_section_lookup_maps class.  Update lookup maps for merge
5533         sections also.
5534         (Output_section::discard_states): Use Output_section_lookup_maps.
5535         (Output_section::restore_states): Same.
5536         * output.h (Merge_section_properties): Move class defintion out of
5537         Output_section.
5538         (Output_section_lookup_maps): New class.
5539         (Output_section::Input_section::is_merge_section): New method
5540         defintion.
5541         (Output_section::Input_section::relobj): Move defintion out of class
5542         defintion.  Declare method only.
5543         (Output_section::Input_section::shndx): Ditto.
5544         (Output_section::Input_section::output_merge_base): New method defintion.
5545         (Output_section::Input_section::u2_.pomb): New union field.
5546         (Output_section::Merge_section_by_properties_map,
5547         Output_section::Output_section_data_by_input_section_map,
5548         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5549         Remove types.
5550         (Output_section::add_merge_input_section): Add new parameter
5551         KEEPS_INPUT_SECTIONS.
5552         (Output_section::build_lookup_maps): New method declaration.
5553         (Output_section::merge_section_map_,
5554         Output_section::merge_section_by_properties_map_,
5555         Output_section::relaxed_input_section_map_,
5556         Output_section::is_relaxed_input_section_map_valid_): Remove data
5557         members.
5558         (Output_section::lookup_maps_): New data member.
5559
5560 2010-05-21  Doug Kwan  <dougkwan@google.com>
5561
5562         PR gold/11619
5563         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5564         avoid a compilation error.
5565
5566 2010-05-19  Rafael Espindola  <espindola@google.com>
5567
5568         * script-sections.cc (Output_section_definition::allocate_to_segment):
5569         Update the phdrs_list even when the output section is NULL.
5570         * testsuite/Makefile.am: Add test.
5571         * testsuite/Makefile.in: Regenerate.
5572         * testsuite/script_test_9.cc: New.
5573         * testsuite/script_test_9.sh: New.
5574         * testsuite/script_test_9.t: New.
5575
5576 2010-05-19  Doug Kwan  <dougkwan@google.com>
5577
5578         * arm.cc (Arm_input_section::original_size): New method.
5579         (Arm_input_section::do_addralign): Add a cast.
5580         (Arm_input_section::do_output_offset): Remove static cast.
5581         (Arm_input_section::original_addralign,
5582          Arm_input_section::original_size_): Change type to uint32_t.
5583         (Arm_input_section::init): Add safe casts for section alignment
5584         and size.
5585         (Arm_input_section::set_final_data_size): Do not set address and
5586         offset of stub table.
5587         (Arm_output_section::fix_exidx_coverage): Change use of of
5588         Output_section::Simple_input_section to that of
5589         Output_section::Input_section.
5590         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5591         except for the first pass.
5592         * output.cc (Output_section::get_input_sections): Change type of
5593         input_sections to std::list<Input_section>.
5594         (Output_section::add_script_input_section): Rename from
5595         Output_section::add_simple_input_section.  Change type of SIS
5596         parameter from Simple_input_section to Input_section.
5597         * output.h (Output_section::Simple_input_section): Remove class.
5598         (Output_section::Input_section): Change class visibility to public.
5599         (Output_section::Input_section::addralign): Use stored alignments
5600         for special input sections if set.
5601         (Output_section::Input_section::set_addralign): New method.
5602         (Output_section::get_input_sections): Change parameter type from
5603         list of Simple_input_section to list of Input_section.
5604         (Output_section::add_script_input_section): Rename from
5605         Output_section::add_simple_input_section. Change first parameter's
5606         type from Simple_input_section to Input_section and remove the
5607         second and third parameters.
5608         * script-sections.cc (Input_section::Input_section_list): Change
5609         type to list of Output_section::Input_section/
5610         (Input_section_info::Input_section_info): Change parameter type of
5611         INPUT_SECTION to Output_section::Input_section.
5612         (Input_section_info::input_section): Change return type.
5613         (Input_section_info::input_section_): Change type to
5614         Output_section::Input_section.
5615         (Output_section_element_input::set_section_addresses): Adjust code
5616         to use Output_section::Input_section instead of
5617         Output_section::Simple_input_section.  Adjust code for renaming
5618         of Output_section::add_simple_input_section.
5619         (Orphan_output_section::set_section_addresses): Ditto.
5620
5621 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5622
5623         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5624         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5625
5626 2010-05-18  Rafael Espindola  <espindola@google.com>
5627
5628         * options.cc (General_options::finalize): Handle -nostdlib.
5629         * options.h (nostdlib): New option.
5630         * script.cc (script_add_search_dir): Handle -nostdlib.
5631
5632 2010-05-12  Doug Kwan  <dougkwan@google.com>
5633
5634         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5635         attributes section only if there no attributes section after merging.
5636         (Target_arm::merge_object_attributes): Move value of
5637         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5638         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5639         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5640         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5641         and arm_attr_merge_7.stdout.
5642         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5643         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5644         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5645         arm_attr_merge_7b.o): New rules.
5646         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5647         arm_attr_merge_7
5648         * testsuite/Makefile.in: Regenerate.
5649         * testsuite/arm_attr_merge.sh: New file.
5650         * testsuite/arm_attr_merge_[67][ab].s: Same.
5651
5652 2010-05-05  Nick Clifton  <nickc@redhat.com>
5653
5654         * po/es.po: Updated Spanish translation.
5655
5656 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5657
5658         * Makefile.am (install-exec-local): Properly install gold as
5659         default cross linker.
5660         * Makefile.in: Regenerated.
5661
5662 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5663             Nick Clifton  <nickc@redhat.com>
5664
5665         * configure.ac (install_as_default): Define and set to false
5666         unless --enable-gold or --enable-gold=both/gold has been
5667         specified.
5668         * configure: Regenerate.
5669
5670         * Makefile.am (install-exec-local): Install the executable as
5671         'ld.gold'.  If install_as_default is true then also install it as
5672         'ld'.
5673         * Makefile.in: Regenerated.
5674
5675 2010-04-24  Ian Lance Taylor  <iant@google.com>
5676
5677         * layout.cc (Layout::layout_reloc): In relocatable link don't
5678         combine reloc sections for grouped sections.
5679
5680 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5681
5682         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5683         sections that are not ordinary to icf.
5684         * icf.cc (get_section_contents): Handle relocation pointing to section
5685         with no object or shndx information.
5686         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5687         * testsuite/Makefile.in: Regenerate.
5688         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5689         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5690
5691 2010-04-22  Ian Lance Taylor  <iant@google.com>
5692
5693         * expression.cc (Expression::Expression_eval_info): Add
5694         result_alignment_pointer field.
5695         (Expression::eval_with_dot): Add result_alignment_pointer
5696         parameter.  Change all callers.
5697         (Expression::eval_maybe_dot): Likewise.
5698         (class Binary_expression): Add alignment_pointer parameter to
5699         left_value and right_value.  Change all callers.
5700         (BINARY_EXPRESSION): Set result alignment.
5701         (class Trinary_expression): Add alignment_pointer parameter to
5702         arg2_value and arg3_value.  Change all callers.
5703         (Trinary_cond::value): Set result alignment.
5704         (Max_expression::value, Min_expression::value): Likewise.
5705         (Align_expression::value): Likewise.
5706         * script-sections.cc (class Sections_element): Add dot_alignment
5707         parameter to set_section_addresses virtual function.  Update
5708         instantiations.
5709         (class Output_section_element): Likewise.
5710         (Script_sections::create_segments): Add dot_alignment parameter.
5711         Change all callers.
5712         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5713         (Script_sections::set_phdrs_clause_addresses): Likewise.
5714         * script-sections.h: Update declarations.
5715         * script.h: Update declarations.
5716         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5717         min_p_align.
5718         * testsuite/script_test_3.t: Set large alignment.
5719         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5720         segment has expected alignment.
5721
5722 2010-04-22  Nick Clifton  <nickc@redhat.com>
5723
5724         * po/gold.pot: Updated by the Translation project.
5725         * po/vi.po: Updated Vietnamese translation.
5726
5727 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5728
5729         * testsuite/Makefile.am (check_PROGRAMS): Add
5730         icf_virtual_function_folding_test.
5731         * testsuite/Makefile.in: Regenerated.
5732
5733 2010-04-15  Andrew Haley  <aph@redhat.com>
5734
5735         * options.h (merge_exidx_entries): New option.
5736         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5737         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5738         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5739         (Target_arm::merge_exidx_entries): New function.
5740         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5741         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5742         to Arm_exidx_fixup constructor.
5743         Add new arg, merge_exidx_entries.
5744         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5745         Arm_output_section::fix_exidx_coverage.
5746
5747 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5748
5749         * icf.cc (get_section_contents): Check for preemptible functions.
5750         Ignore addend when appropriate.
5751         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5752         section folded.
5753         (add_from_relobj): Check for section folded.
5754         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5755         * symtab.h (should_add_dynsym_entry): Add new parameter.
5756         * target-reloc.h (scan_relocs): Check for section folded.
5757         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5758         Check reloc types for function pointers in shared objects.
5759         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5760         case.
5761         (icf_preemptible_functions_test): New test case.
5762         (icf_string_merge_test): New test case.
5763         * testsuite.Makefile.in: Regenerate.
5764         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5765         bar_glob.  Refactor code.
5766         * testsuite/icf_preemptible_functions_test.cc: New file.
5767         * testsuite/icf_preemptible_functions_test.sh: New file.
5768         * testsuite/icf_string_merge_test.cc: New file.
5769         * testsuite/icf_string_merge_test.sh: New file.
5770         * testsuite/icf_virtual_function_folding_test.cc: New file.
5771         * testsuite/icf_virtual_function_folding_test.sh: New file.
5772
5773 2010-04-14  Doug Kwan  <dougkwan@google.com>
5774
5775         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5776         for local symbol recounting if we remove a section due to ICF.
5777         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5778         there are no regular objects in input.
5779
5780 2010-04-13  Doug Kwan  <dougkwan@google.com>
5781
5782         * arm.cc (Arm_input_section::set_final_data_size): Compute
5783         accurate final data size instead of using current data size.
5784
5785 2010-04-09  Doug Kwan  <dougkwan@google.com>
5786
5787         * layout.cc (Layout::choose_output_section): Handle script section
5788         types.
5789         (Layout::make_output_section_for_script): Add section type parameter.
5790         Handle script section types.
5791         * layout.h (Layout::make_output_section_for_script): Add section
5792         type parameter.
5793         * output.cc (Output_section::Output_section): Initialize data member
5794         is_noload_.
5795         (Output_section::do_reset_address_and_file_offset): Do not set address
5796         to 0 if section is a NOLOAD section.
5797         * output.h (Output_section::is_noload): New method.
5798         (Output_section::set_is_noload): Ditto.
5799         (Output_section::is_noload_): New data member.
5800         * script-c.h (Script_section_type): New enum type.
5801         (struct Parser_output_section_header): Add new file section_type.
5802         * script-sections.cc (Sections_element::output_section_name): Add
5803         parameter for returning script section type.
5804         (Output_section_definition::output_section_name): Ditto.
5805         (Output_section_definition::section_type)P; New method.
5806         (Output_section_definiton::script_section_type_name): Ditto.
5807         (Output_section_definition::script_section_type_): New data member.
5808         (Output_section_definition::Output_section_definition): Initialize
5809         data member Output_section_definition::script_section_type_.
5810         (Output_section_definition::create_sections): Pass script section type
5811         to Layout::make_output_section_for_script.
5812         (Output_section_definition::output_section_name): Return script
5813         section type to caller.
5814         (Output_section_definition::set_section_address): Do not advance
5815         dot value and load address if section type is NOLOAD.  Set address
5816         of NOLOAD sections regardless of section flags.
5817         (Output_section_definition::print): Print section type if it is
5818         not SCRIPT_SECTION_TYPE_NONE.
5819         (Output_section_definition::section_type): New method.
5820         (Output_section_definition::script_section_type_name): Ditto.
5821         (Script_sections::output_section_name): Add new parameter
5822         PSECTION_TYPE for returning script section type.  Pass it to
5823         section elements.  Handle discard sections.
5824         (Sort_output_sections::operator()): Handle NOLOAD sections.
5825         * script-sections.h (Script_sections::Section_type): New enum type.
5826         (Script_sections::output_section_name): Add a new parameter for
5827         returning script section type.
5828         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5829         INFO and NOLOAD.
5830         * yyscript.y (union): Add new field SECTION_TYPE.
5831         (COPY, DSECT, INFO, NOLOAD): New tokens.
5832         (opt_address_and_section_type): Change type to output_section_header.
5833         (section_type): New non-terminal
5834         (section_header): Handle section type.
5835         (opt_address_and_section_type): Return section type value.
5836
5837 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5838
5839         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5840         * testsuite/plugin_common_test_2.c (foo): Likewise.
5841
5842 2010-04-08  Doug Kwan  <dougkwan@google.com>
5843
5844         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5845         Output_merge_data.
5846         * output.cc (Output_section::add_merge_input_section): Simplify
5847         code and return status of Output_merge_base::add_input_section.
5848         Update merge section map only if Output_merge_base::add_input_section
5849         returns true.
5850
5851 2010-04-07  Doug Kwan  <dougkwan@google.com>
5852
5853         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5854         if section is marked as containing instructions but has no mapping
5855         symbols.
5856         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5857         correct section index.
5858         (Arm_relobj::find_linked_text_section): Ditto.
5859
5860 2010-04-07  Cary Coutant  <ccoutant@google.com>
5861
5862         * archive.cc (include_member): Destroy Read_symbols_data object before
5863         releasing file.
5864         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5865         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5866         (Read_symbols_data::~Read_symbols_data) New destructor.
5867         (Section_relocs::Section_relocs) New constructor.
5868         (Section_relocs::~Section_relocs) New destructor.
5869         (Read_relocs_data::Read_relocs_data) New constructor.
5870         (Read_relocs_data::~Read_relocs_data) New destructor.
5871         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5872         pointers to NULL after deleting.
5873
5874 2010-04-07  Doug Kwan  <dougkwan@google.com>
5875
5876         * arm.cc: Replace "endianity" with "endianness" in comments.
5877         (Arm_exidx_cantunwind): Ditto.
5878         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5879         (Arm_relobj::merge_flags_and_attributes): New method.
5880         (Arm_relobj::merge_flags_and_attributes_): New data member.
5881         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5882         (Arm_relobj::scan_sections_for_stubs): Ditto.
5883         (Arm_relobj::do_read_symbols): Check to see if we really want to
5884         merge processor-specific flags and attributes.  Exit early if
5885         an object is empty except for section names and the undefined symbol.
5886         (Target_arm::do_finalize_sections): Move check for ELF format to
5887         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5888         attributes from a regular object only when we have determined that
5889         it is aapropriate.  Do not create an .ARM.attributes section in
5890         output if there is no regular input object.
5891         (Target_arm::merge_processor_specific_flags): Check
5892         --warn-mismatch before printing any error.
5893         (Target_arm::merge_object_attributes): Ditto.
5894         * gold.cc (queue_middle_tasks): Handle the case in which there is
5895         no regular object in input.
5896         * options.cc (General_options::parse_EB): New method.
5897         (General_options::parse_EL): Same.
5898         (General_options::General_options): Initialize endianness_.
5899         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5900         New options.
5901         (General_options::Endianness): New enum.
5902         (General_options::endianness): New method.
5903         (General_options::endianness_): New data member.
5904         * parameters.cc (Parameters::set_options): Check target endianness.
5905         (Parameters::set_target_once): Ditto.
5906         (Parameters::check_target_endianness): New method.
5907         (parameters_force_valid_target): If either -EL or -EB is specified,
5908         use it to define endianness of default target.
5909         * parameters.h (Parameters::check_target_endianness): New method
5910         declaration.
5911         * target.h (class Target): Change "endianity" to "endianness"
5912         in comments.
5913
5914 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5915
5916         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5917         * configure: Regenerate.
5918         * Makefile.in: Regenerate.
5919         * testsuite/Makefile.in: Regenerate.
5920
5921 2010-04-06  Cary Coutant  <ccoutant@google.com>
5922
5923         gcc PR lto/42757
5924         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5925         prevailing definitions of common symbols.
5926         * testsuite/plugin_test_6.sh: New test case.
5927         * testsuite/plugin_common_test_1.c: New test case.
5928         * testsuite/plugin_common_test_2.c: New test case.
5929         * testsuite/Makefile.am (plugin_test_6): New test case.
5930         * testsuite/Makefile.in: Regenerate.
5931
5932 2010-04-06  Nick Clifton  <nickc@redhat.com>
5933
5934         * po/vi.po: New Vietnamese translation.
5935
5936 2010-03-30  Doug Kwan  <dougkwan@google.com>
5937
5938         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5939
5940 2010-03-25  Doug Kwan  <dougkwan@google.com>
5941
5942         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5943         to avoid a conversion warning on a 32-bit host.
5944
5945 2010-03-24  Ian Lance Taylor  <iant@google.com>
5946
5947         * testsuite/script_test_3.t: Add a TLS segment.
5948         * testsuite/Makefile.am (check_PROGRAMS): Add
5949         tls_phdrs_script_test.
5950         (tls_phdrs_script_test_SOURCES): Define.
5951         (tls_phdrs_script_test_DEPENDENCIES): Define.
5952         (tls_phdrs_script_test_LDFLAGS): Define.
5953         (tls_phdrs_script_test_LDADD): Define.
5954         * testsuite/Makefile.in: Rebuild.
5955
5956 2010-03-23  Cary Coutant  <ccoutant@google.com>
5957
5958         * fileread.cc (find_or_make_view): Fix comment.
5959
5960 2010-03-23  Ian Lance Taylor  <iant@google.com>
5961
5962         * script-sections.cc (class Orphan_section_placement): Define
5963         PLACE_TLS and PLACE_TLS_BSS.
5964         (Orphan_section_placement::Orphan_section_placement): Initialize
5965         new places.
5966         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5967         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5968         (tls_script_test_SOURCES): Define.
5969         (tls_script_test_DEPENDENCIES): Define.
5970         (tls_script_test_LDFLAGS): Define.
5971         (tls_script_test_LDADD): Define.
5972         * testsuite/Makefile.in: Rebuild.
5973
5974 2010-03-22  Doug Kwan  <dougkwan@google.com>
5975
5976         * arm.cc (Arm_relocate_functions::abs8,
5977         Arm_relocate_functions::abs16): Use correct check for overflow
5978         specified in the ARM ELF specs.
5979         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5980         target of a BLX instruction specially.
5981         (Reloc_stub::stub_type_for_reloc): Ditto.
5982         (Relocate::relocate): Use symbolic names instead of numeric relocation
5983         codes to report error.
5984         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5985         workaround.
5986         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5987         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5988         thumb2_blx_out_of_range.stdout
5989         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5990         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5991         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5992         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5993         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5994         thumb2_blx_in_range, thumb2_blx_in_range.o,
5995         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5996         thumb2_blx_out_of_range.o): New rules.
5997         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5998         thumb2_blx_in_range and thumb2_blx_out_of_range.
5999         * testsuite/Makefile.in: Regenerate.
6000         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6001         * testsuite/thumb_blx_in_range.s: New file.
6002         * testsuite/thumb_blx_out_of_range.s: New file.
6003
6004 2010-03-22  Rafael Espindola  <espindola@google.com>
6005
6006         * archive.cc (Should_include): Move to archive.h.
6007         (should_include_member): Make it a member of Archive.
6008         (Lib_group): New.
6009         (Add_lib_group_symbols): New.
6010         * archive.h: Include options.h.
6011         (Archive_member): Moved from Archive.
6012         (Should_include): Moved from archive.cc.
6013         (Lib_group): New.
6014         (Add_lib_group_symbols): New.
6015         * dynobj.cc (do_should_include_member): New.
6016         * dynobj.h (do_should_include_member): New.
6017         * gold.cc (queue_initial_tasks): Update call to queue.
6018         * main.cc (main): Print lib group stats.
6019         * object.cc (do_should_include_member): New.
6020         * object.h: Include archive.h.
6021         (Object::should_include_member): New.
6022         (Object::do_should_include_member): New.
6023         (Sized_relobj::do_should_include_member): New.
6024         * options.cc (General_options::parse_start_lib): New.
6025         (General_options::parse_end_lib): New.
6026         (Input_arguments::add_file): Handle lib groups.
6027         (Input_arguments::start_group): Check we are not in a lib.
6028         (Input_arguments::start_lib): New.
6029         (Input_arguments::end_lib): New.
6030         * options.h (General_options): Add start_lib and end_lib.
6031         (Input_argument::lib_): New.
6032         (Input_argument::lib): New.
6033         (Input_argument::is_lib): New.
6034         (Input_file_lib): New.
6035         (Input_arguments::in_lib_): New.
6036         (Input_arguments::in_lib): New.
6037         (Input_arguments::start_lib): New.
6038         (Input_arguments::end_lib_): New.
6039         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6040         in unused members as preempted.
6041         (Sized_pluginobj::do_should_include_member): New.
6042         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6043         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6044         return the blocker.
6045         (Read_symbols::do_whole_lib_group): New.
6046         (Read_symbols::do_lib_group): New.
6047         (Read_symbols::do_read_symbols): Handle lib groups.
6048         (Read_symbols::get_name): Handle lib groups.
6049         * readsyms.h (Read_symbols): Add an archive member pointer.
6050         (Read_symbols::do_whole_lib_group): New.
6051         (Read_symbols::do_lib_group): New.
6052         (Read_symbols::member_): New.
6053         * script.cc (read_input_script): Update call to queue_soon.
6054
6055 2010-03-19  Doug Kwan  <dougkwan@google.com>
6056
6057         * arm.cc (Stub_table::Stub_table): Initialize new data members
6058         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6059         (Stub_table::add_reloc_stub): Assign stub offset and update
6060         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6061         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6062         New data members.
6063         (Stub_table::update_data_size_and_addralign): Use
6064         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6065         instead of going over all reloc stubs.
6066         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6067         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6068         Stringpool_template::offset_ to size of Stringpool_char.
6069         (Stringpool_template::new_key_offset): Remove code to initialize
6070         Stringpool_template::offset_.
6071         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6072         Stringpool_template::offset_ to zero.
6073
6074 2010-03-15  Doug Kwan  <dougkwan@google.com>
6075
6076         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6077         offset_.
6078         (Stringpool_template::new_key_offset): New method.
6079         (Stringpool_template::add_string): Assign offsets when adding new
6080         strings.
6081         (Stringpool_template::set_string_offsets): Do not set string offsets
6082         when not optimizing.
6083         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6084         member size_.
6085         (Chunked_vector::clear): Clear size_.
6086         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6087         (Chunked_vector::size): Return size_.
6088         (Chunked_vector::push_back): Use size_ to find insert position.
6089         (Chunked_vector::size_): New data member.
6090         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6091         (Stringpool_template::new_key_offset): New method declaration.
6092         (Stringpool_template::offset_): New data member.
6093
6094 2010-03-15   Rafael Espindola  <espindola@google.com>
6095
6096         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6097         Add_symbols' constructor.
6098         * readsyms.h (Add_symbols): Remove the input_group member.
6099
6100 2010-03-10  Ian Lance Taylor  <iant@google.com>
6101
6102         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6103         target to ask whether a reference to a symbol requires a stack
6104         split.
6105         * target.h (Target::is_call_to_non_split): New function.
6106         (Target::do_is_call_to_non_split): Declare virtual function.
6107         * target.cc: Include "symtab.h".
6108         (Target::do_is_call_to_non_split): New function.
6109         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6110
6111 2010-03-10  Cary Coutant  <ccoutant@google.com>
6112
6113         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6114         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6115         (File_read::open[2]): Add whole_file_view_ to list of views.
6116         (File_read::make_view): Remove test of whole_file_view_.
6117         (File_read::find_or_make_view): Create whole_file_view_ if
6118         necessary.
6119         (File_read::clear_views): Replace bool parameter with enum;
6120         adjust all callers.  Don't delete views with permanent data;
6121         do delete cached views and views from archives if
6122         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6123         if clearing the corresponding view.
6124         * fileread.h (File_read::Clear_views_mode): New enum.
6125         (File_read::View::is_permanent_view): New method.
6126         (File_read::clear_views): Replace bool parameter
6127         with enum; adjust all callers.
6128         * options.h (General_options): Change keep_files_mapped option;
6129         add map_whole_files.
6130         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6131         releasing the file.
6132         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6133         the file.
6134
6135 2010-03-10  David S. Miller  <davem@davemloft.net>
6136
6137         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6138
6139 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6140
6141         * icf.cc (get_section_contents): Add '@' marker after processing the
6142         merge reloc.
6143
6144 2010-03-08  Doug Kwan  <dougkwan@google.com>
6145
6146         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6147         due to a conversion warning.
6148         (Arm_relobj::update_output_local_symbol_count): Check for local
6149         symbol with unset output index.
6150
6151 2010-03-05  Ian Lance Taylor  <iant@google.com>
6152
6153         * options.h (class General_options): Add --spare-dynamic-tags.
6154         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6155         --spare-dynamic-tags.
6156
6157 2010-03-05  Ian Lance Taylor  <iant@google.com>
6158
6159         * incremental.cc: Include "libiberty.h".
6160
6161 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6162
6163         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6164         function, is_info_ member.
6165         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6166         (Versions::Versions): Update caller.
6167         (Versions::define_base_version): Likewise.
6168         (Versions::add_def): Likewise.
6169
6170 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6171
6172         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6173         (Scan::possible_function_pointer_reloc): New function.
6174         (Scan::local_reloc_may_be_function_pointer): Change to call
6175         possible_function_pointer_reloc.
6176         (Scan::global_reloc_may_be_function_pointer): Ditto.
6177         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6178         relocations in ".data.rel.ro._ZTV" section.
6179         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6180         * testsuite/icf_safe_so_test.cc: Ditto.
6181         * testsuite/icf_safe_test.cc: Ditto.
6182         * testsuite/icf_safe_test.sh: Ditto.
6183
6184 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6185             Ian Lance Taylor  <iant@google.com>
6186
6187         * target-reloc.h (relocate_section): Check the symbol table index
6188         for -1U before setting the local symbol index.
6189         (scan_relocatable_relocs): If copying the relocation, record that
6190         the local symbol is required.
6191         * object.h (Symbol_value::is_output_symtab_index_set): New
6192         function.
6193         (Symbol_value::may_be_discarded_from_output_symtab): New
6194         function.
6195         (Symbol_value::has_output_symtab_entry): New function.
6196         (Symbol_value::needs_output_symtab_entry): Remove.
6197         (Symbol_value::output_symtab_index): Make sure the symbol index is
6198         set.
6199         (Symbol_value::set_output_symtab_index): Make sure the symbol
6200         index is not set.  Make sure the new index is valid.
6201         (Symbol_value::set_must_have_output_symtab_entry): New function.
6202         (Symbol_value::has_output_dynsym_entry): New function.
6203         (Symbol_value::set_output_dynsym_index): Make sure the new index
6204         is valid.
6205         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6206         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6207         local symbol if permitted.
6208         (Sized_relobj::do_finalize_local_symbols): Call
6209         is_output_symtab_index_set rather than needs_output_symtab_entry.
6210         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6211         rather than needs_output_symtab_entry.  Call
6212         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6213         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6214         is_output_symtab_index_set rather than needs_output_symtab_entry.
6215         * testsuite/discard_locals_relocatable_test.c: New file.
6216         * testsuite/discard_locals_test.sh: Test -r.
6217         * testsuite/Makefile.am (check_DATA): Add
6218         discard_locals_relocatable_test1.syms,
6219         discard_local_relocatable_test2.syms.
6220         (MOSTLYCLEANFILES): Likewise.  Also add
6221         discard_locals_relocatable_test1.lout and
6222         discard_locals_relocatable_test2.out.
6223         (discard_locals_relocatable_test1.syms): New target.
6224         (discard_locals_relocatable_test.o): New target.
6225         (discard_locals_relocatable_test1.out): New target.
6226         (discard_locals_relocatable_test2.syms): New target.
6227         (discard_locals_relocatable_test2.out): New target.
6228         (various): Add missing ../ld-new dependencies.
6229         * testsuite/Makefile.in: Rebuild.
6230
6231 2010-03-03  Nick Clifton  <nickc@redhat.com>
6232
6233         * po/fi.po: New Finnish translation.
6234
6235 2010-03-01  Doug Kwan  <dougkwan@google.com>
6236
6237         * layout.cc (Layout::Layout): Force section types of .init_array*,
6238         .preinit_array* and .fini_array* sections.
6239         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6240         Fix check of return value of std::string::find.().
6241         (Output_section::Input_section_sort_compare::operator()): Remove
6242         comment about .init_array.
6243         (Output_section::Input_section_sort_init_fini_compare::operator()):
6244         New method.
6245         (Output_section::sort_attached_input_sections): Handle .init_array
6246         and .fini_array specially.
6247         * output.h (Output_section::Inut_section_sort_compare): Update
6248         comment.
6249         (Output_section::Input_section_sort_init_fini_compare): New struct.
6250
6251 2010-02-26  Doug Kwan  <dougkwan@google.com>
6252
6253         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6254         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6255         * testsuite/debug_msg.sh: Avoid matching source line number for
6256         use of global variable undef_int.
6257
6258 2010-02-26  Doug Kwan  <dougkwan@google.com>
6259
6260         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6261         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6262         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6263         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6264         * options.cc (General_options::General_options): Initialize member
6265         fix_v4bx_.
6266         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6267         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6268         and rm_no_fix_v4bx.stdout
6269         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6270         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6271         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6272         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6273         and arm_no_fix_v4bx.
6274         * Makefile.in: Regenerate.
6275         * testsuite/arm_fix_v4bx.s: New file.
6276         * testsuite/arm_fix_v4bx.sh: Ditto.
6277
6278 2010-02-24  Doug Kwan  <dougkwan@google.com>
6279
6280         * arm.cc (Target_arm::got_section): Make the .got section the first
6281         non RELRO section in the data segment.
6282         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6283         suffixes of section names.
6284
6285 2010-02-24  Doug Kwan  <dougkwan@google.com>
6286
6287         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6288         flags and attributes merging if an input file is a binary file.
6289         * fileread.cc (Input_file::open): Record format of original file.
6290         * fileread.h (Input_file::Format): New enum type.
6291         (Input_file::Input_file): Initialize data member format_.
6292         (Input_file::format): New method definition.
6293         (Input_file::format_):: New data member.
6294
6295 2010-02-24  Doug Kwan  <dougkwan@google.com>
6296
6297         * arm.cc (Arm_output_data_got): New class.
6298         (ARM_TCB_SIZE): New constant
6299         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6300         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6301         If user uses a script with a SECTIONS clause, issue only a warning
6302         for a misplaced EXIDX input section.  Otherwise, issue an error.
6303         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6304         garbage collection.
6305         (Target_arm::got_mode_index_entry): Handle static linking.
6306         (Target_arm::Scan::local): Ditto.
6307         (Target_arm::Scan::global): Ditto.
6308         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6309         all incorrectly implemented relocations.
6310         (Target_arm::fix_exidx_coverage): Pass layout to
6311         Arm_output_section::fix_exidx_coverage.
6312         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6313         from ".ARM.exidx." and ".ARM.extab.".
6314
6315 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6316
6317         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6318         section if it does not already exist.
6319         * attributes.cc (Attributes_section_data::Attributes_section_data):
6320         Don't crash if size is zero.
6321
6322 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6323             Ian Lance Taylor  <iant@google.com>
6324
6325         * gold.cc (queue_middle_tasks): If no input files were opened,
6326         exit.
6327         * workqueue.h (Task_function::Task_function): Assert that there is
6328         a blocker.
6329
6330 2010-02-22  Doug Kwan  <dougkwan@google.com>
6331
6332         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6333         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6334         types to avoid warnings due to different uint64_t implementations
6335         on different hosts.
6336
6337 2010-02-21  Doug Kwan  <dougkwan@google.com>
6338
6339         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6340         handling of the maximum backward branch offset.
6341         (Arm_relocate_functions::thumb_branch_common): Ditto.
6342         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6343         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6344         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6345         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6346         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6347         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6348         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6349         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6350         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6351         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6352         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6353         thumb2_bl_out_of_range.o): New rules.
6354         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6355         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6356         thumb2_bl_out_of_range
6357         * testsuite/Makefile.in: Regenerate.
6358         * testsuite/arm_bl_in_range.s: New file.
6359         * testsuite/arm_bl_out_of_range.s: Ditto.
6360         * testsuite/arm_branch_in_range.sh: Ditto.
6361         * testsuite/arm_branch_range.t: Ditto.
6362         * testsuite/thumb2_branch_range.t: Ditto.
6363         * testsuite/thumb_bl_in_range.s: Ditto.
6364         * testsuite/thumb_bl_out_of_range.s: Ditto.
6365         * testsuite/thumb_branch_range.t: Ditto.
6366
6367 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6368
6369         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6370         Add reloc offset information.
6371         * icf.cc (get_section_contents): Change iterators to point to the new
6372         vectors. Add reloc offset information to the contents.
6373         * icf.h (Icf::Sections_reachable_info): New typedef.
6374         (Icf::Sections_reachable_list): New typedef.
6375         (Icf::Offset_info): New typedef.
6376         (Icf::Reloc_info): New struct typedef.
6377         (Icf::Reloc_info_list): New typedef.
6378         (Icf::symbol_reloc_list): Delete method.
6379         (Icf::addend_reloc_list): Delete method.
6380         (Icf::section_reloc_list): Delete method.
6381         (Icf::reloc_info_list): New method.
6382         (Icf::reloc_info_list_): New member.
6383
6384 2010-02-19  Doug Kwan  <dougkwan@google.com>
6385
6386         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6387         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6388         * arm.cc (Arm_relocation_functions): New forward declaration.
6389         (Target_arm::Target_arm): Initialize new data members
6390         got_mod_index_offset_ and tls_base_symbol_defined_.
6391         (Target_arm::Relocate::relocate_tls): New method.
6392         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6393          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6394         New methods.
6395         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6396         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6397         (Target_arm::got_mod_index_offset_,
6398         Target_arm::tls_base_symbol_defined_): New data members.
6399         (Target_arm::Scan::local, Target::Scan::global,
6400         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6401         relocations.
6402
6403 2010-02-18  Doug Kwan  <dougkwan@google.com>
6404
6405         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6406         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6407         text section as a parameter becuase some broken tools may not set
6408         the link in section header.
6409         (Target_arm::has_got_section): New method.
6410         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6411         without any mapping symbol as data only.  Remove warning.
6412         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6413         link in its section header, try to discover the link by inspecting the
6414         REL31 relocation at the beginning of the section.
6415         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6416         in error message.
6417         (Target_arm::Scan::global): Treat any reference to the symbol
6418         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6419
6420 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6421
6422         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6423         (Scan::global_reloc_may_be_function_pointer): New function.
6424         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6425         (Scan::global_reloc_may_be_function_pointer): New function.
6426         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6427         (Scan::global_reloc_may_be_function_pointer): New function.
6428         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6429         (Scan::global_reloc_may_be_function_pointer): New function.
6430         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6431         (Scan::global_reloc_may_be_function_pointer): New function.
6432         (Scan::possible_function_pointer_reloc): New function.
6433         (Target_x86_64::can_check_for_function_pointers): New function.
6434         * gc.h (gc_process_relocs): Scan relocation types to determine if
6435         function pointers were taken for targets that support it.
6436         * icf.cc (Icf::find_identical_sections): Include functions for
6437         folding in safe ICF whose pointer is not taken.
6438         * icf.h (Secn_fptr_taken_set): New typedef.
6439         (fptr_section_id_): New member.
6440         (section_has_function_pointers): New function.
6441         (set_section_has_function_pointers): New function.
6442         (check_section_for_function_pointers): New function.
6443         * options.h: Fix comment for safe ICF option.
6444         * target.h (can_check_for_function_pointers): New function.
6445         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6446         Modify icf_safe_test for X86-64.
6447         * testsuite/Makefile.in: Regenerate.
6448         * testsuite/icf_safe_so_test.cc: New file.
6449         * testsuite/icf_safe_so_test.sh: New file.
6450         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6451         (main): Change to take pointer to function kept_func_3.
6452         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6453         folding is done correctly for X86-64.
6454
6455 2010-02-12  David S. Miller  <davem@davemloft.net>
6456
6457         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6458         is_symbolless parameter.
6459         (Output_reloc<SHT_REL>::is_symbolless): New.
6460         (Output_reloc<SHT_REL>::is_symbolless_): New.
6461         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6462         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6463         (Output_reloc<SHT_RELA>::is_symbolless): New.
6464         (Output_data_reloc::add_global): Handle is_symbolless.
6465         (Output_data_reloc::add_global_relative): Likewise.
6466         (Output_data_reloc::add_local): Likewise.
6467         (Output_data_reloc::add_local_relative): Likewise.
6468         (Output_data_reloc::add_symbolless_global_addend): New.
6469         (Output_data_reloc::add_symbolless_local_addend): New.
6470         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6471         is_symbolless.
6472         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6473         instead of ->is_relative_
6474         (Output_reloc::write): Likewise.
6475         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6476         (Output_reloc::write_rel): Simplify.
6477
6478         * sparc.cc (Target_sparc::Scan::local): Use
6479         ->add_symbolless_local_addend as needed.
6480         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6481         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6482         based upon relocation offset.
6483
6484 2010-02-11  Doug Kwan  <dougkwan@google.com>
6485
6486         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6487         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6488         beginning of function.
6489         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6490         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6491         parameter is_32bit in calls to should_apply_static_reloc.
6492         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6493         (check_DATA): Add arm_abs_global.stdout.
6494         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6495         arm_abs_global.stdout): New rules.
6496         (MOSTLLYCLEANFILES): Add arm_abs_global
6497         * Makefile.in: Regenerate.
6498         * testsuite/arm_abs_global.s: New file.
6499         * testsuite/arm_abs_global.sh: Ditto.
6500         * testsuite/arm_abs_lib.s: Ditto.
6501
6502 2010-02-11  Ian Lance Taylor  <iant@google.com>
6503
6504         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6505         Read_relocs task.
6506         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6507         Allocate_commons_task first.
6508         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6509         task, rather than symtab_lock_.
6510         (Gc_process_relocs::~Gc_process_relocs): New function.
6511         (Gc_process_relocs::is_runnable): Check this_blocker_.
6512         (Gc_process_relocs::locks): Use next_blocker_ rather than
6513         blocker_.
6514         (Scan_relocs::~Scan_relocs): New function.
6515         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6516         symtab_lock_.
6517         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6518         next_blocker_.
6519         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6520         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6521         constructor accordingly.
6522         (class Gc_process_relocs): Likewise.
6523         (class Scan_relocs): Likewise.
6524         * common.h (class Allocate_commons_task): Remove symtab_lock_
6525         field, and corresponding constructor parameter.
6526         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6527         symtab_lock_.
6528         (Allocate_commons_task::locks): Likewise.
6529
6530 2010-02-11  Ian Lance Taylor  <iant@google.com>
6531
6532         * gold-threads.h (class Once): Define.
6533         (class Initialize_lock): Rewrite as child of Once.
6534         * gold-threads.cc (class Once_initialize): Define.
6535         (once_pointer_control): New static variable.
6536         (once_pointer, once_arg): New static variables.
6537         (c_run_once): New static function.
6538         (Once::Once, Once::run_once, Once::internal_run): New functions.
6539         (class Initialize_lock_once): Remove.
6540         (initialize_lock_control): Remove.
6541         (initialize_lock_pointer): Remove.
6542         (initialize_lock_once): Remove.
6543         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6544         (Initialize_lock::initialize): Rewrite.
6545         (Initialize_lock::do_run_once): New function.
6546         * archive.cc (Archive::interpret_header): Only clear name if it is
6547         not already empty.
6548         * fileread.cc: Include "gold-threads.h"
6549         (file_counts_lock): New static variable.
6550         (file_counts_initialize_lock): Likewise.
6551         (File_read::release): Only increment counts when using --stats.
6552         Use a lock around the increment.
6553         * parameters.cc (class Set_parameters_target_once): Define.
6554         (set_parameters_target_once): New static variable.
6555         (Parameters::Parameters): Move here from parameters.h.
6556         (Parameters::set_target): Rewrite.
6557         (Parameters::set_target_once): New function.
6558         (Parameters::clear_target): Move here and rewrite.
6559         * parameters.h (class Parameters): Update declarations.  Add
6560         set_parameters_target_once_ field.
6561         (Parameters::Parameters): Move to parameters.cc.
6562         (Parameters::clear_target): Likewise.
6563         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6564         task.
6565         (Start_group::~Start_group): New function.
6566         (Start_group::is_runnable): New function.
6567         (Start_group::locks, Start_group::run): New functions.
6568         (Finish_group::run): Change saw_undefined to size_t.
6569         * readsyms.h (class Start_group): Define.
6570         (class Finish_group): Change saw_undefined_ field to size_t.
6571         (Finish_group::Finish_group): Remove saw_undefined and
6572         this_blocker parameters.  Change all callers.
6573         (Finish_group::set_saw_undefined): New function.
6574         (Finish_group::set_blocker): New function.
6575         * symtab.h (class Symbol_table): Change saw_undefined to return
6576         size_t.  Change saw_undefined_ field to size_t.
6577         * target-select.cc (Set_target_once::do_run_once): New function.
6578         (Target_selector::Target_selector): Initialize set_target_once_
6579         field.  Don't initialize lock_ and initialize_lock_ fields.
6580         (Target_selector::instantiate_target): Rewrite.
6581         (Target_selector::set_target): New function.
6582         * target-select.h (class Set_target_once): Define.
6583         (class Target_selector): Update declarations.  Make
6584         Set_target_once a friend.  Remove lock_ and initialize_lock_
6585         fields.  Add set_target_once_ field.
6586
6587 2010-02-10  Ian Lance Taylor  <iant@google.com>
6588
6589         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6590         queueing any tasks.
6591         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6592         (queue_middle_tasks): Add all blockers before queueing any tasks.
6593         (queue_final_tasks): Likewise.
6594         * token.h (Task_token::add_blockers): New function.
6595         * object.h (Input_objects::number_of_relobjs): New function.
6596
6597 2010-02-10  Ian Lance Taylor  <iant@google.com>
6598
6599         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6600         shared, not if not position independent.
6601         * x86_64.cc (Relocate::relocate_tls): Likewise.
6602         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6603         (tls_pie_pic_test): New target.
6604         * testsuite/Makefile.in: Rebuild.
6605
6606         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6607         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6608         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6609         * testsuite/Makefile.in: Rebuild.
6610
6611 2010-02-09  David S. Miller  <davem@davemloft.net>
6612
6613         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6614         R_SPARC_RELATIVE using ->add_local_relative().
6615         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6616
6617         * output.h (Output_data_dynamic::add_section_size): New method
6618         that takes two Output_data objects.
6619         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6620         entry param.  Handle it in initializers.
6621         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6622         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6623         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6624         arg.
6625         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6626         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6627         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6628         for dynrel_includes_plt.
6629         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6630         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6631         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6632         before .rela.plt
6633         (Target_sparc::do_finalize_sections): Update to pass true for
6634         dynrel_includes_plt.
6635         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6636         output before .rela.plt
6637         (Target_powerpc::do_finalize_sections): Update to pass true for
6638         dynrel_includes_plt when 32-bit.
6639
6640 2010-02-08  Doug Kwan  <dougkwan@google.com>
6641
6642         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6643         method.
6644         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6645         Arm_relobj::scan_section_for_cortex_a8_stubs,
6646         Arm_relobj::do_relocation_section): Instead of calling
6647         Output_section::output_address, use faster
6648         Arm_relobj::simple_input_section_output_address.
6649
6650 2010-02-08  David S. Miller  <davem@davemloft.net>
6651
6652         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6653         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6654         relocation helper function.
6655
6656         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6657         just like R_SPARC_GOT{10,13,22}.
6658         (Target_sparc::Scan::local): Likewise.
6659         (Target_sparc::Relocate:relocate): Likewise.
6660
6661 2010-02-06  Ian Lance Taylor  <iant@google.com>
6662
6663         * configure.ac: Rewrite targetobjs duplicate removal code to use
6664         only shell constructs.
6665         * configure: Rebuild.
6666
6667 2010-02-05  Doug Kwan  <dougkwan@google.com>
6668
6669         PR 11247
6670         * arm.cc (Arm_relobj::section_is_scannable): New method.
6671         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6672         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6673
6674 2010-02-04  Doug Kwan  <dougkwan@google.com>
6675
6676         PR 11247
6677         * arm-reloc-property.cc (cstdio): Include.
6678         * configure.ac (targetobjs): Remove duplicates.
6679         * configure: Regenerate.
6680         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6681         big and little endian version for a given address size.
6682
6683 2010-02-03  Doug Kwan  <dougkwan@google.com>
6684
6685         * arm-reloc-property.cc
6686         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6687         definition.
6688         * arm-reloc-property.h
6689         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6690         New method definition.
6691         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6692         declaration.
6693         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6694         overflow to N.
6695         (GOT_PREL): Change implemented to Y.
6696         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6697         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6698         (Arm_relocate_functions::movw_abs_nc): Remove method.
6699         (Arm_relocate_functions::movt_abs): Ditto.
6700         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6701         (Arm_relocate_functions::thm_movt_abs): Ditto.
6702         (Arm_relocate_functions::movw_rel_nc): Ditto.
6703         (Arm_relocate_functions::movw_rel): Ditto.
6704         (Arm_relocate_functions::movt_rel): Ditto.
6705         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6706         (Arm_relocate_functions:thm_movw_rel): Ditto.
6707         (Arm_relocate_functions:thm_movt_rel): Ditto.
6708         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6709         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6710         New method definitions.
6711         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6712         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6713         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6714         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6715         (Target_arm::Relocate::relocate): Check for non-static or
6716         unimplemented relocation code and exit early.  Change calls to
6717         Target_arm::reloc_uses_thumb_bit and
6718         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6719         instead.  Refactor code to handle similar relocations to increase
6720         code sharing.  Remove check for unsupported relocation code in switch
6721         statement.
6722         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6723         relocation property table to find out size.  Change error message to
6724         print out the name of a relocation code instead of the numeric value.
6725         (Target_arm::scan_reloc_for_stub): Use relocation property table
6726         instead of calling Target_arm::reloc_uses_thumb_bit().
6727
6728 2010-02-02  Doug Kwan  <dougkwan@google.com>
6729
6730         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6731         types of relaxed input section.
6732
6733 2010-02-02  Doug Kwan  <dougkwan@google.com>
6734
6735         * Makefile.am (HFILES): Add arm-reloc-property.h.
6736         (DEFFILES): New.
6737         (TARGETSOURCES): Add arm-reloc-property.cc
6738         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6739         (libgold_a_SOURCES): $(DEFFILES)
6740         * Makefile.in: Regenerate.
6741         * arm-reloc-property.cc: New file.
6742         * arm-reloc-property.h: New file.
6743         * arm-reloc.def: New file.
6744         * arm.cc: Update comments.
6745         (arm-reloc-property.h): New included header.
6746         (arm_reloc_property_table): New global variable.
6747         (Target_arm::do_select_as_default_target): New method definition.
6748         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6749         arm-reloc-property to targ_extra_obj.
6750         * parameters.cc (set_parameters_target): Call
6751         Target::select_as_default_target().
6752         * target.h (Target::select_as_default_target): New method definition.
6753         (Target::do_select_as_default_target): Same.
6754
6755 2010-02-01  Doug Kwan  <dougkwan@google.com>
6756
6757         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6758         first_output_text_section_.
6759         (Arm_exidx_fixup::first_output_text_section): New method definition.
6760         (Arm_exidx_fixup::first_output_text_section_): New data member.
6761         (Arm_exidx_fixup::process_exidx_section): Record the first text
6762         output section seen.
6763         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6764         and entsize in output section header.
6765
6766 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6767
6768         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6769         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6770         (Arm_relocate_functions::thm_alu11): New Method.
6771         (Arm_relocate_functions::thm_pc8): New Method.
6772         (Arm_relocate_functions::thm_pc12): New Method.
6773         (Target_arm::Scan::local): Handle the relocations.
6774         (Target_arm::Scan::global): Likewise.
6775         (Target_arm::Relocate::relocate): Likewise.
6776         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6777
6778 2010-01-29  Doug Kwan  <dougkwan@google.com>
6779
6780         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6781         of relocation types as ld.
6782
6783 2010-01-29  Doug Kwan  <dougkwan@google.com>
6784
6785         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6786         to public.
6787         (Arm_relocate_functions::thumb_branch_common): Ditto.
6788         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6789         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6790         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6791         Arm_relocate_functions::jump24): Remove.
6792         (Target_arm::Relocate::relocate): Adjust code to call
6793         Arm_relocation_functions::arm_branch_common and
6794         Arm_relocation_functions::thumb_branch_common instead of their removed
6795         wrappers.  Merge switch-cases together to reduce source code size.
6796
6797 2010-01-29  Doug Kwan  <dougkwan@google.com>
6798
6799         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6800         output_local_symbol_count_needs_update_.
6801         (Arm_relobj::output_local_symbol_count_needs_update,
6802          Arm_relobj::set_output_local_symbol_count_needs_update,
6803          Arm_relobj::update_output_local_symbol_count): New methods.
6804         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6805         member.
6806         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6807         of pointed function as in a R_ARM_PREL31 relocation.
6808         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6809         for output local symbol count updating.
6810         (Target_arm::do_relax): Update output local symbol counts in objects
6811         if necessary.
6812         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6813
6814 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6815
6816         * arm.cc: Added support for the ARM relocations:
6817         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6818         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6819         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6820         movw_prel_nc).
6821         (Arm_relocate_functions::movw_rel): New method.
6822         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6823         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6824         thm_movw_prel_nc).
6825         (Arm_relocate_functions::thm_movw_rel): New method.
6826         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6827         thm_movt_prel).
6828         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6829         relocations.
6830         (Target_arm::Scan::global): Likewise.
6831         (Target_arm::Relocate::relocate): Likewise.
6832         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6833         Likewise.
6834
6835 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6836
6837         * arm.cc: Added support for ARM group relocations.
6838         (Target_arm::reloc_needs_sym_origin): New method.
6839         (Arm_relocate_functions::calc_grp_kn): New method.
6840         (Arm_relocate_functions::calc_grp_residual): New method.
6841         (Arm_relocate_functions::calc_grp_gn): New method.
6842         (Arm_relocate_functions::arm_grp_alu): New Method.
6843         (Arm_relocate_functions::arm_grp_ldr): New Method.
6844         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6845         (Arm_relocate_functions::arm_grp_ldc): New Method.
6846         (Target_arm::Scan::local): Handle the ARM group relocations.
6847         (Target_arm::Scan::global): Likewise.
6848         (Target_arm::Relocate::relocate): Likewise.
6849         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6850         Likewise.
6851
6852 2010-01-26  Doug Kwan  <dougkwan@google.com>
6853
6854         * arm.cc (set): Include.
6855         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6856         pointer type.
6857         (Arm_output_section::Text_section_list): New type.
6858         (Arm_output_section::append_text_sections_to_list): New method.
6859         (Arm_output_section::fix_exidx_coverage): Ditto.
6860         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6861         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6862         Relobj::set_section_offset() instead of
6863         Sized_relobj::invalidate_section_offset().
6864         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6865         parameter for section headers. Ignore relocation sections for
6866         unallocated sections and EXIDX sections.
6867         (Target_arm::fix_exidx_coverage): New method.
6868         (Target_arm::output_section_address_less_than): New type.
6869         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6870         linked text section instead of the EXIDX section.
6871         (Arm_output_section::create_stub_group): Add an assertion to check
6872         that this is not an EXIDX output section.
6873         (Arm_output_section::append_text_sections_to_list): New method.
6874         (Arm_output_section::fix_exidx_coverage): Ditto.
6875         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6876         Arm_relobj::section_needs_reloc_stub_scanning.
6877         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6878         first pass.
6879         (Target_arm::fix_exidx_coverage): New method.
6880         * object.h (Relobj::set_output_section): New method.
6881         (Sized_relobj::invalidate_section_offset): Remove method.
6882         (Sized_relobj::do_invalidate_section_offset): Remove method.
6883         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6884
6885 2010-01-25  Doug Kwan  <dougkwan@google.com>
6886
6887         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6888         Fix warning due to signed and unsigned comparison on a 32-bit host.
6889
6890 2010-01-22  Doug Kwan  <dougkwan@google.com>
6891
6892         * arm.cc (Target_arm::do_relax): Record an output section for section
6893         offset adjustment it contains any stub table that has changed.
6894         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6895         offsets in an output section if necessary.
6896         * output.cc (Output_section::Output_section): Initialize
6897         section_offsets_need_adjustments_.
6898         (Output_section::add_input_section_for_script): Renamed to
6899         Output_section::add_simple_input_section.
6900         (Output_section::save_states): Add a comment.
6901         (Output_section::discard_states): New method defintion.
6902         (Output_section::adjust_section_offsets): Same.
6903         * output.h (Output_section::add_input_section_for_script): Renamed to
6904         Output_section::add_simple_input_section.
6905         (Output_section::discard_states): New method declaration.
6906         (Output_section::adjust_section_offsets): Same.
6907         (Output_section::section_offsets_need_adjustment,
6908         Output_section::set_section_offsets_need_adjustment): New method
6909         definitions.
6910         (Output_section::section_offsets_need_adjustment_): New data member.
6911         * script-sections.cc
6912         (Output_section_element_input::set_section_address): Adjust code for
6913         renaming of Output_section::add_input_section_for_script.
6914         (Orphan_output_section::set_section_address): Same.
6915
6916 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6917
6918         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6919         Fix_v4bx enum values .
6920         * gold/options.h (General_options): New option definitions.
6921         (General_options::fix_v4bx): New method.
6922         (General_options::Fix_v4bx): New enum.
6923         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6924         (General_options::parse_fix_v4bx_interworking): New method.
6925
6926 2010-01-22  Doug Kwan  <dougkwan@google.com>
6927
6928         * arm.cc (Arm_exidx_fixup): New class.
6929
6930 2010-01-21  Doug Kwan  <dougkwan@google.com>
6931
6932         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6933         classes.
6934         (Arm_exidx_section_offset_map): New type.
6935
6936 2010-01-21  Doug Kwan  <dougkwan@google.com>
6937
6938         * arm.cc (Arm_exidx_input_section): New class.
6939         (Arm_relobj::exidx_input_section_by_link,
6940         Arm_relobj::exidx_input_section_by_shndx,
6941         Arm_relobj::make_exidx_input_section): New methods.
6942         (read_arm_attributes_section): Remove.
6943         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6944         information about them.
6945         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6946         to here.
6947
6948 2010-01-20  Doug Kwan  <dougkwan@google.com>
6949
6950         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6951         Input_section_specifier to Section_id.
6952         (Target_arm::new_arm_input_section: Adjust code for change of key
6953         type.
6954         (Target_arm::find_arm_input_section): Ditto.
6955         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6956         (Section_id): Remove.
6957         (Garbage_collection::Section_id_hash): Remove.
6958         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6959         (Section_id): Remove.
6960         (Icf::Section_id_hash): Remove.
6961         * object.h (Section_id, Const_section_id, Section_id_hash,
6962         Const_section_id_hash): New type definitions.
6963         * output.cc (Output_section::add_relaxed_input_section): Change to
6964         use Const_section_id instead of Input_section_specifier as key type.
6965         (Output_section::add_merge_input_section): Ditto.
6966         (Output_section::build_relaxation_map): Change to use Section_id
6967         instead of Input_section_specifier as key type.
6968         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6969         Ditto.
6970         (Output_section::convert_input_sections_to_relaxed_sections): Change
6971         to use Const_section_id instead of Input_section_specifier as key type.
6972         (Output_section::find_merge_section): Ditto.
6973         (Output_section::find_relaxed_input_section): Ditto.
6974         * output.h (Input_section_specifier): Remove class.
6975         (Output_section::Output_section_data_by_input_section_map): Change
6976         key type to Const_section_id.
6977         (Output_section::Output_relaxed_input_section_by_input_section_map):
6978         Ditto.
6979         (Output_section::Relaxation_map): Change key type to Section_id.
6980
6981 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6982
6983         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6984         (class Arm_v4bx_stub): New class.
6985         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6986         (Stub_factory::make_arm_v4bx_stub): New method.
6987         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6988         (Stub_table::empty): Handle v4bx stubs.
6989         (Stub_table::add_arm_v4bx_stub): New method.
6990         (Stub_table::find_arm_v4bx_stub): New method.
6991         (Arm_relocate_functions::v4bx): New method.
6992         (Target_arm::fix_v4bx): New method.
6993         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6994         (Stub_table::relocate_stubs): Likewise.
6995         (Stub_table::do_write): Likewise.
6996         (Stub_table::update_data_size_and_addralign): Likewise.
6997         (Stub_table::finalize_stubs):  Likewise.
6998         (Target_arm::Scan::local): Likewise.
6999         (Target_arm::Scan::global): Likewise.
7000         (Target_arm::do_finalize_sections): Likewise.
7001         (Target_arm::Relocate::relocate): Likewise.
7002         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7003         Likewise.
7004         (Target_arm::scan_reloc_for_stub): Likewise.
7005         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7006
7007 2010-01-19  Ian Lance Taylor  <iant@google.com>
7008
7009         * output.cc (Output_section_headers::do_sized_write): Write large
7010         segment count to sh_info field.
7011         (Output_file_header::do_sized_write): For large segment count,
7012         write PN_XNUM to e_phnum field.
7013
7014 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7015
7016         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7017         (Arm_relocate_functions::thm_jump8): New function.
7018         (Arm_relocate_functions::thm_jump11): New function.
7019         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7020         R_ARM_THM_JUMP11.
7021         (Target_arm::Scan::global): Likewise.
7022         (Target_arm::Relocate::relocate): Likewise.
7023         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7024         Likewise.
7025
7026 2010-01-14  Doug Kwan  <dougkwan@google.com>
7027
7028         * arm.cc (map, utility): Include headers.
7029         (Target_arm::apply_cortex_a8_workaround): New method.
7030         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7031         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7032         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7033         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7034         the --[no-]fix-cortex-a8 command line options.
7035         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7036         (Target_arm::relocate_stub): Use addend in instruction template.
7037         * options.h (DEFINE_bool): Set the user-set flag.
7038         (General_options): Add --[no-]-fix-cortex options.
7039         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7040         : Update fast look-up map after conversion.
7041
7042 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7043
7044         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7045         in the first pass of do_layout.
7046
7047 2010-01-13  Doug Kwan  <dougkwan@google.com>
7048
7049         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7050         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7051         apparent compiler problem of not folding static constant integral
7052         data members of elfcpp::Elf_sizes<32>.
7053
7054 2010-01-13  Doug Kwan  <dougkwan@google.com>
7055
7056         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7057         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7058         Arm_relobj::scan_section_for_cortex_a8_erratum,
7059         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7060         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7061         sections to scan for relocation stubs into a new method
7062         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7063         relocation and Cortex-A8 stub scanning.
7064         (Target_arm::do_relax): Force stubs to be after stubbed sections
7065         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7066         the beginning of a new relaxation pass.  Update a comment.
7067         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7068
7069 2010-01-12  Ian Lance Taylor  <iant@google.com>
7070
7071         * target-reloc.h (visibility_error): New inline function.
7072         (relocate_section): Call visibility_error.
7073         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7074         (MOSTLYCLEANFILES): Likewise.
7075         (protected_4_pic.o, protected_3.err): New targets.
7076         * testsuite/protected_4.cc: New file.
7077
7078 2010-01-12  Doug Kwan  <dougkwan@google.com>
7079
7080         * arm.cc (Cortex_a8_reloc): New class.
7081         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7082         and cortex_a8_relocs_info_.
7083         (Target_arm::fix_cortex_a8): New method definition.
7084         (Target_arm::Cortex_a8_relocs_info): New type.
7085         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7086         New data member declarations.
7087         (Target_arm::scan_reloc_for_stub): Record information about
7088         relocations for THUMB branches that might be exempted from the
7089         Cortex-A8 workaround.
7090         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7091         at the beginning of a relaxation pass.
7092
7093 2010-01-12  Doug Kwan  <dougkwan@google.com>
7094
7095         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7096         (Arm_relobj::Mapping_symbol_position,
7097          Arm_reloj::Mapping_symbol_position_less,
7098          Arm_relobj::Mapping_symbols_info): New types.
7099         (Target_arm::is_mapping_symbol_name): New method definition.
7100         (Arm_relobj::do_count_local_symbols): Save information about mapping
7101         symbols.
7102
7103 2010-01-11  Doug Kwan  <dougkwan@google.com>
7104
7105         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7106         Arm_relocate_functions::thumb32_branch_upper,
7107         Arm_relocate_functions::thumb32_branch_lower,
7108         Arm_relocate_functions::thumb32_cond_branch_offset,
7109         Arm_relocate_functions::thumb32_cond_branch_upper,
7110         Arm_relocate_functions::thumb32_cond_branch_lower,
7111         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7112         branch offset encoding.
7113         (Arm_relocate_functions::thumb_branch_common): Use new branch
7114         offset encoding methods to avoid code duplication.
7115         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7116         (Stub_addend_reader::operator()): Use new branch encoding method
7117         to avoid code duplication.
7118
7119 2010-01-11  Doug Kwan  <dougkwan@google.com>
7120
7121         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7122         (Target_arm::do_finalize_sections): Define special EXIDX section
7123         symbols only if referenced.
7124         * gc.h (Garbage_collection::add_reference): New method.
7125         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7126         code duplication.
7127
7128 2010-01-11  Ian Lance Taylor  <iant@google.com>
7129
7130         * script.cc (Version_script_info::build_expression_list_lookup):
7131         Change complaing about duplicate wildcard match from error to
7132         warning.
7133
7134         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7135         of 2009-12-30.
7136         (Version_script_info::Version_script_info): Initialize globs_,
7137         default_version_, default_is_global_, and exact_.  Don't
7138         initialize globals_ or locals_.
7139         (Version_script_info::build_lookup_tables): Build local symbols
7140         first.
7141         (Version_script_info::unquote): New function.
7142         (Version_script_info::add_exact_match): New function.
7143         (Version_script_info::build_expression_list_lookup): Remove lookup
7144         parameter.  Add is_global parameter.  Change all callers.  Handle
7145         wildcard pattern specially.  Unquote pattern.  Call
7146         add_exact_match.
7147         (Version_script_info::get_name_to_match): New function.
7148         (Version_script_info::get_symbol_version): New function.
7149         (Version_script_info::get_symbol_version_helper): Remove.
7150         (Version_script_info::check_unmatched_names): Call unquote.
7151         * script.h (class Version_script_info): Change get_symbol_version
7152         to be non-inline and add is_global parameter; change all callers.
7153         Rewrite symbol_is_local.  Update declarations.  Define struct
7154         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7155         Remove globals_ and locals_ members.  Add exact_, globs_,
7156         default_version_, is_global_.
7157         (Version_script_info::Glob): Remove pattern, add expression and
7158         is_global.  Update constructor.  Change all callers.
7159         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7160         default version.
7161         (Versions::symbol_section_contents): If a symbol is undefined, or
7162         defined in a dynamic object, set the version index to
7163         VER_NDX_LOCAL.
7164         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7165         symbol_is_local.
7166         (Symbol_table::add_from_pluginobj): Likewise.
7167         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7168
7169 2010-01-11  Doug Kwan  <dougkwan@google.com>
7170
7171         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7172         (incremental_dump_LDADD): Add linking option for libintl.
7173         * Makefile.in: Regenerate.
7174
7175 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7176
7177         PR gold/11144
7178         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7179         instead of -Ds.
7180         * testsuite/Makefile.in: Regenerated.
7181
7182 2010-01-10  Doug Kwan  <dougkwan@google.com>
7183
7184         * options.h (DEFINE_var): Use parentheses around argument varname__
7185         in macro body to avoid any unintended subsequent substitutions.
7186
7187 2010-01-10  Ian Lance Taylor  <iant@google.com>
7188
7189         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7190         candidates before doing symbol resolution.
7191
7192         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7193         ODR candidates if only one is weak.
7194
7195 2010-01-08  Ian Lance Taylor  <iant@google.com>
7196
7197         * script.cc (Version_script_info::build_expression_list_lookup):
7198         Don't warn about ambiguous version, just record the ambiguity.
7199         (Version_script_info::get_symbol_version_helper): Give error if
7200         version is ambiguous.
7201
7202 2010-01-08  Doug Kwan  <dougkwan@google.com>
7203
7204         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7205           prev_data_size_ and prev_addralign_.  Remove initializer for
7206           deleted data member has_been_changed_.
7207           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7208           to determine if the table is empty.
7209           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7210           Remove.
7211           (Stub_table::add_reloc_stub): Define method in class definition
7212           instead of just declaring it there.
7213           (Stub_table::add_cortex_a8_stub): New method definition.
7214           (Stub_table::update_data_size_and_addralign): Ditto.
7215           (Stub_table::finalize_stubs): Ditto.
7216           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7217           (Stub_table::do_addralign_): Return address alignment in the
7218           (Stub_table::do_reset_address_and_file_offset): Define method in
7219           class definition instead of declaring it there.  Set current data
7220           size to be the data size of the previous pass.
7221           (Stub_table::set_final_data_size): Use current data size as the
7222           final data size.
7223           (Stub_table::relocate_stub): Change parameter type of stub from
7224           Reloc_stub pointer to Stub pointer.
7225           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7226           (Stub_table::Cortex_a8_stub_list): New typedef.
7227           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7228            Stub_table::prev_addralign_): New data member.
7229           (Arm_relobj::Arm_relobj): Initialize data member
7230           section_has_cortex_a8_workaround_.
7231           (Arm_relobj::section_has_cortex_a8_workaround,
7232            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7233            definitions.
7234           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7235           declarations.
7236           (Target_arm::relocate_stub): Change parameter type of stub from
7237           Reloc_stub pointer to Stub pointer.
7238           (Insn_template::size, Insn_template::alignment): Handle
7239           THUMB16_SPECIAL_TYPE.
7240           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7241            Stub_table::update_data_size_and_addralign,
7242            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7243           definitions.
7244           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7245           (Stub_table::do_write): Ditto.
7246           (Target_arm::do_relax): Adjust code for changes in Stub_table.
7247
7248 2010-01-08  Ian Lance Taylor  <iant@google.com>
7249
7250         PR 11108
7251         * symtab.h (class Symbol): Remove fields is_target_special_ and
7252         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7253         (Symbol::is_defined_in_discarded_section): New function.
7254         (Symbol::set_is_defined_in_discarded_section): New function.
7255         (Symbol::has_plt_offset): Rewrite.
7256         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7257         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7258         Don't initialize is_target_special_ or has_plt_offset_.
7259         Initialize is_defined_in_discarded_section_.
7260         (Symbol_table::add_from_relobj): If appropriate, set
7261         is_defined_in_discarded_section.
7262         * resolve.cc (Symbol::override_base_with_special): Don't test
7263         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7264         * target-reloc.h (relocate_section): Do special handling for
7265         symbols defined in discarded sections for global symbols as well
7266         as local symbols.
7267
7268 2010-01-08  Ian Lance Taylor  <iant@google.com>
7269
7270         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7271         the SHT_SYMTAB case.
7272
7273 2010-01-08  Ian Lance Taylor  <iant@google.com>
7274
7275         * object.cc (Sized_relobj::do_layout): Don't get confused if
7276         layout_eh_frame returns NULL.
7277
7278 2010-01-08  Ian Lance Taylor  <iant@google.com>
7279
7280         PR 11084
7281         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7282         dynamic symbol table, use the normal symbol table.
7283         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7284         symbol table.
7285
7286 2010-01-08  Ian Lance Taylor  <iant@google.com>
7287
7288         PR 11072
7289         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7290         sections.
7291
7292 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7293
7294         * version.cc (print_version): Change to "Copyright 2010".
7295
7296 2010-01-08  Ian Lance Taylor  <iant@google.com>
7297
7298         PR 10287
7299         PR 11063
7300         * i386.cc (class Target_i386): Change return type of plt_section
7301         to be non-const.
7302         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7303         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7304         tls_desc_rel_ field.
7305         (Output_data_plt_i386::rel_tls_desc): New function.
7306         (Target_i386::rel_tls_desc_section): New function.
7307         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7308         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7309         R_386_TLS_DESC reloc in rel_tls_desc_section.
7310         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7311         Define struct Tlsdesc_info.
7312         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7313         (Target_x86_64::do_reloc_symbol_index): New function.
7314         (Target_x86_64::add_tlsdesc_info): New function.
7315         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7316         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7317         tlsdesc_rel_ field.
7318         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7319         all callers.
7320         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7321         (Target_x86_64::rela_tlsdesc_section): New function.
7322         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7323         handling.
7324         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7325         (Target_x86_64::do_reloc_addend): New function.
7326         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7327         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7328         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7329         (Output_reloc::type): New function.
7330         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7331         (Output_reloc::is_target_specific): New function.
7332         (Output_reloc::target_arg): New function.
7333         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7334         absolute relocs and target specific relocs.
7335         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7336         add_target_specific.
7337         (class Output_data_reloc) [SHT_RELA]: Likewise.
7338         * output.cc (Output_reloc::Output_reloc): Add four new versions
7339         for absolute relocs and target specific relocs.
7340         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7341         (Output_reloc::get_symbol_index): Likewise.
7342         (Output_reloc::local_section_offset): Check that local_sym_index_
7343         is not TARGET_CODE or 0.
7344         (Output_reloc::symbol_value): Likewise.
7345         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7346         reloc.
7347         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7348         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7349         functions.
7350         * layout.cc (add_target_dynamic_tags): Use output section for
7351         DT_PLTRELSZ and DT_JMPREL.
7352
7353 2010-01-07  Ian Lance Taylor  <iant@google.com>
7354
7355         PR 11061
7356         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7357         function.
7358         (class Output_data_reloc_generic): Define.
7359         (class Output_data_reloc_base): Change base class to
7360         Output_data_reloc_generic.  Change add() method to call
7361         bump_relative_reloc_count for a relative reloc.  Remove
7362         sort_relocs_ field.
7363         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7364         to sort_relocs().
7365         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7366         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7367         appropriate.
7368         * layout.h (class Layout): Update declaration.
7369
7370 2010-01-07  Ian Lance Taylor  <iant@google.com>
7371
7372         * output.h (class Output_data): Add const version of
7373         output_section and do_output_section.
7374         (class Output_section_data): Add const version of
7375         do_output_section.
7376         (class Output_section): Likewise.
7377         * layout.cc (Layout::add_target_dynamic_tags): New function.
7378         * layout.h (class Layout): Update declarations.
7379         * arm.cc (Target_arm::do_finalize_sections): Use
7380         add_target_dynamic_tags.
7381         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7382         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7383         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7384         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7385
7386 2010-01-07  Ian Lance Taylor  <iant@google.com>
7387
7388         PR 11042
7389         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7390         object as needed.
7391
7392 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7393             Ian Lance Taylor  <iant@google.com>
7394
7395         PR 11019
7396         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7397         Xindex::read_symtab_xindex.
7398
7399 2010-01-07  Doug Kwan  <dougkwan@google.com>
7400
7401         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7402         (Insn_template::thumb16_bcond_insn): New method declaration.
7403         (Insn_template): Fix spelling.
7404         (Stub::thumb16_special): New method declaration.
7405         (Stub::do_write): Define virtual method which was previously pure
7406         virtual.
7407         (Stub::do_thumb16_special): New method declaration.
7408         (Stub::do_fixed_endian_write): New template member.
7409         (Reloc_stub::do_write): Remove.
7410         (Reloc_stub::do_fixed_endian_write): Remove.
7411         (Cortex_a8_stub): New class definition.
7412         (Stub_factory::make_cortex_a8_stub): New method definition.
7413         (Stub_factory::Stub_factory): Add missing static storage class
7414         qualifier for elf32_arm_stub_a8_veneer_blx.
7415
7416 2010-01-07  Ian Lance Taylor  <iant@google.com>
7417
7418         PR 10980
7419         * options.h (class General_options): Add --warn-unresolved-symbols
7420         and --error-unresolved-symbols.
7421         * errors.cc (Errors::undefined_symbol): Implement
7422         --warn-unresolved-symbols.
7423
7424         * options.h (class General_options): Add -z text and -z textoff.
7425         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7426
7427 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7428
7429         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7430         (Garbage_collection::cident_sections): New function.
7431         (Garbage_collection::add_cident_section): New function.
7432         (Garbage_collection::cident_sections_): New member.
7433         (gc_process_relocs): Add references to sections whose names are C
7434         identifiers.
7435         * gold.h (cident_section_start_prefix): New constant.
7436         (cident_section_stop_prefix): New constant.
7437         (is_cident): New function.
7438         * layout.cc (Layout::define_section_symbols): Replace string constants
7439         with the newly defined constants.
7440         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7441         C identifiers.
7442         * testsuite/Makefile.am: Add gc_orphan_section_test.
7443         * testsuite/Makefile.in: Regenerate.
7444         * testsuite/gc_orphan_section_test.cc: New file.
7445         * testsuite/gc_orphan_section_test.sh: New file.
7446
7447 2010-01-06  Ian Lance Taylor  <iant@google.com>
7448
7449         PR 10980
7450         * options.h (class General_options): Add --warn-shared-textrel.
7451         * layout.cc (Layout::finish_dynamic_section): Implement
7452         --warn-shared-textrel.
7453
7454         PR 10980
7455         * options.h (class General_options): Add --warn-multiple-gp.
7456
7457 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7458
7459         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7460         $(THREADSLIB) and $(LIBDL).
7461         * Makefile.in: Rebuild.
7462
7463 2010-01-06  Ian Lance Taylor  <iant@google.com>
7464
7465         PR 10980
7466         * options.cc (General_options::parse_section_start): New function.
7467         (General_options::section_start): New function.
7468         (General_options::General_options): Initialize all members.
7469         * options.h: Include <map>
7470         (class General_options): Add --section-start.  Add section_starts_
7471         member.
7472         * layout.cc (Layout::attach_allocated_section_to_segment): If
7473         --section-start was used, set the address of the segment.  Remove
7474         local sort_sections.
7475         (Layout::relaxation_loop_body): If the address of the load segment
7476         has been set by --section-start, don't use it.
7477         * output.h (Output_segment::update_flags_for_output_section): New
7478         function.
7479         * output.cc (Output_segment::add_output_section): Call
7480         update_flags_for_output_section.
7481
7482 2010-01-05  Ian Lance Taylor  <iant@google.com>
7483
7484         PR 10980
7485         * options.h (class General_options): Add --undefined-version.
7486         * script.cc (struct Version_expression): Add was_matched_by_symbol
7487         field.
7488         (Version_script_info::matched_symbol): New function.
7489         (Version_script_info::get_symbol_version_helper): Call
7490         matched_symbol.
7491         (Version_script_info::check_unmatched_names): New function.
7492         * script.h (class Version_script_info): Update declarations.
7493         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7494
7495         * options.h (class General_options): Use DEFINE_bool_alias for
7496         allow_multiple_definition.
7497         * resolve.cc (Symbol_table::should_override): Don't test
7498         allow_multiple_definition.
7499
7500         PR 10980
7501         * options.h (class General_options): Add --cref.
7502         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7503         until after printing cref table.
7504         * cref.cc: Include "symtab.h".
7505         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7506         (Cref_table_compare::operator()): New function.
7507         (Cref_inputs::gather_cref): New function.
7508         (filecol): New static const.
7509         (Cref_inputs::print_cref): New function.
7510         (Cref::print_cref): New function.
7511         * cref.h: Include <cstdio>.
7512         (class Cref): Update declarations.
7513         * mapfile.h (Mapfile::file): New function.
7514         * object.h (class Object): Define Symbols.  Declare virtual
7515         do_get_global_symbols.
7516         (Object::get_global_symbols): New function.
7517         * object.cc (Input_objects::add_object): Pass object to cref_ if
7518         --cref.
7519         (Input_objects::archive_start): Likewise.
7520         (Input_objects::archive_stop): Likewise.
7521         (Input_objects::print_cref): New function.
7522         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7523         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7524         --cref.
7525         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7526         function.
7527         * plugin.h (class Sized_pluginobj): Update declarations.
7528
7529 2010-01-05  Ian Lance Taylor  <iant@google.com>
7530
7531         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7532         to is_default_version.  Rename insdef to insdefault.
7533         (Symbol_table::add_from_relobj): Rename def to is_default_version
7534         and local to is_forced_local.
7535         (Symbol_table::add_from_pluginobj): Likewise.
7536         (Symbol_table::add_from_dynobj): Likewise.
7537         (Symbol_table::define_special_symbol): Rename insdef to
7538         insdefault.
7539
7540 2010-01-04  Ian Lance Taylor  <iant@google.com>
7541
7542         PR 10980
7543         * options.h (class General_options): Add
7544         --allow-multiple-definition and -z muldefs.
7545         * resolve.cc (Symbol_table::should_override): Don't warn about a
7546         multiple symbol definition if --allow-multiple-definition or -z
7547         muldefs.
7548
7549         PR 10980
7550         * options.h (class General_options): Add --add-needed and
7551         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7552         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7553         error if --copy-dt-needed-entries aka --add-needed is used and
7554         would cause a change in behaviour.
7555
7556         PR 10980
7557         * options.h (class General_options): Add -G as a short version of
7558         --shared.  Add no-op options -assert, -g, and -i.
7559
7560 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7561
7562         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7563         check for .text or .gnu.linkonce.t sections.
7564         * icf.cc (Icf::find_identical_sections): Ditto.
7565         Change the detection for mangled function name within the section
7566         name.
7567         * icf.h (is_section_foldable_candidate): New function.
7568
7569 2009-12-30  Ian Lance Taylor  <iant@google.com>
7570
7571         PR 10980
7572         * options.h (class General_options): Permit two dashes with
7573         --retain-symbols-file.
7574
7575 2009-12-30  Ian Lance Taylor  <iant@google.com>
7576
7577         PR 10979
7578         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7579         don't put the file header and segment headers in the text
7580         segment.
7581
7582         PR 10979
7583         * common.cc (Sort_commons::operator()): Stabilize sort when both
7584         entries are NULL.
7585         (Symbol_table::do_allocate_commons_list): When allocating common
7586         symbols, skip a symbol which is no longer common.
7587         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7588         an object before checking its type.
7589         * testsuite/common_test_2.c: New file.
7590         * testsuite/common_test_3.c: New file.
7591         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7592         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7593         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7594         (common_test_2_pic.o, common_test_2.so): New targets.
7595         (common_test_3_pic.o, common_test_3.so): New targets.
7596         * testsuite/Makefile.in: Rebuild.
7597
7598         PR 10979
7599         * script.cc (read_input_script): If we see a new SECTIONS clause,
7600         and we have added an input section, give an error.
7601         * layout.h (class Layout): Add have_added_input_section function.
7602         Add have_added_input_section_ field.
7603         * layout.cc (Layout::Layout): Initialize
7604         have_added_input_section_.
7605         (Layout::layout): Set have_added_input_section_.
7606         (Layout::layout_eh_frame): Likewise.
7607
7608 2009-12-30  Ian Lance Taylor  <iant@google.com>
7609
7610         PR 10931
7611         * options.h (class General_options): Add --sort-common option.
7612         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7613         * common.cc (Sort_common): Add sort_order parameter to
7614         constructor.  Add sort_order_ field.
7615         (Sort_commons::operator): Check sort_order_.
7616         (Symbol_table::allocate_commons): Determine the sort order.
7617         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7618         Change all callers.
7619         (Symbol_table::do_allocate_commons_list): Likewise.
7620
7621 2009-12-30  Ian Lance Taylor  <iant@google.com>
7622
7623         PR 10916
7624         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7625         symbols from this object, don't change the visibility of an
7626         undefined symbol.
7627         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7628
7629 2009-12-30  Ian Lance Taylor  <iant@google.com>
7630
7631         PR 10861
7632         * script.h (class Version_script_info): Define Language enum.
7633         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7634         new fields globals_, locals_, and is_finalized_.
7635         * script.cc: Various formatting fixes.
7636         (class Parser_closure): Change language_stack_ from a vector of
7637         std::string to one of Version_script_info::Language.  Adjust all
7638         uses accordingly.
7639         (class Lazy_demangler): Remove.
7640         (struct Version_expression): Change language from std::string to
7641         Version_script_info::Language.
7642         (Version_script_info::Version_script_info): New function.
7643         (Version_script_info::~Version_script_info): Don't call clear.
7644         (Version_script_info::finalize): New function.
7645         (Version_script_info::build_lookup_tables): New function.
7646         (Version_script_info::build_expression_list_lookup): New
7647         function.
7648         (Version_script_info::get_symbol_version_helper): Rewrite to use
7649         lookup tables.
7650         (Version_script_info::print_expression_list): Adjust to use
7651         Version_script_info::Language.
7652         (script_push_lex_into_version_mode): Check that the version script
7653         has not been finalized.
7654         (version_script_push_lang): Change language string to
7655         Version_script_info::Language.
7656         * options.cc (Command_line::version_script): New function.
7657         * options.h (class General_options): Add finalize_dynamic_list
7658         function.  Change version_script from declaration to definition.
7659         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7660         * testsuite/version_script.map: Remove duplicate def of foo.
7661         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7662         version_script.map.
7663         * testsuite/Makefile.in: Rebuild.
7664
7665 2009-12-30  Ian Lance Taylor  <iant@google.com>
7666
7667         PR 10843
7668         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7669         if the input symbol index is 0, make the output symbol index 0.
7670
7671 2009-12-30  Ian Lance Taylor  <iant@google.com>
7672
7673         PR 10670
7674         * options.h (class General_options): Add -x/--discard-all.
7675         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7676         --discard-all.  If the local symbol needs a dynamic entry, check
7677         that before handling --discard-locals.
7678
7679 2009-12-30  Ian Lance Taylor  <iant@google.com>
7680
7681         PR 10450
7682         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7683         flags to PF_R.
7684         (Output_segment::add_output_section): Don't change the flags if
7685         the type is PT_TLS.
7686
7687         PR 10450
7688         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7689         GNU hash table if they need a dynamic value.  Otherwise, don't add
7690         them if they are defined in a dynamic object or are forced local.
7691
7692 2009-12-29  Ian Lance Taylor  <iant@google.com>
7693
7694         PR 10450
7695         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7696         .gnu.hash table for a 32-bit target.
7697
7698         PR 10450
7699         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7700         regular and a dynamic object only needs a dynamic symbol table
7701         entry if it is externally visible.
7702
7703         PR 10450
7704         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7705         constructor.  Add global_offset_table_ field.
7706         (Target_i386::got_section): Set global_offset_table_.
7707         (Target_i386::do_finalize_sections): Set global_offset_table_
7708         size.
7709         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7710         in constructor.  Add global_offset_table_ field.
7711         (Target_x86_64::got_section): Set global_offset_table_.
7712         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7713         size.
7714
7715         * layout.cc (Layout::Layout): Initialize increase_relro_.
7716         (Layout::get_output_section): Add is_relro, is_last_relro, and
7717         is_first_non_relro parameters.  Change all callers.
7718         (Layout::choose_output_section): Likewise.
7719         (Layout::add_output_section_data): Likewise.
7720         (Layout::make_output_section): Likewise.
7721         (Layout::set_segment_offsets): Clear increase_relro when using a
7722         linker script.
7723         * layout.h (class Layout): Add increase_relro method.  Add
7724         increase_relro_ field.  Update declarations.
7725         * output.cc (Output_section::Output_section): Initialize
7726         is_last_relro_ and is_first_non_relro_.
7727         (Output_segment::add_output_section): Group relro sections is
7728         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7729         (Output_segment::maximum_alignment): Remove relro handling.
7730         (Output_segment::set_section_addresses): Add increase_relro
7731         parameter.  Change all callers.  Add initial alignment to align
7732         relro sections on separate page.  Remove old relro handling.
7733         (Output_segment::set_section_list_addresses): Remove in_relro
7734         parameter.  Change all callers.
7735         (Output_segment::set_offset): Add increase parameter.  Change all
7736         callers.  Remove old relro handling.
7737         * output.h (class Output_section): Add new methods: is_last_relro,
7738         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7739         Add is_last_relro_ and is_first_non_relro_ fields.
7740         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7741         Create separate .got.plt section.  Call increase_relro.
7742         * x86_64.cc (Target_x86_64::got_section): Likewise.
7743         * testsuite/relro_script_test.t: Add .got.plt.
7744
7745         PR 10450
7746         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7747         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7748         (Layout::finalize): Call set_dynamic_symbol_size.
7749         (Layout::set_dynamic_symbol_size): New function.
7750         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7751         set_dynamic_symbol_size.
7752
7753         PR 10450
7754         * output.h (class Output_section): Add is_entsize_zero_ field.
7755         * output.cc (Output_section::Output_section): Initialize
7756         is_entsize_zero_.
7757         (Output_section::set_entsize): If two different entsizes are
7758         requested, force it to zero.
7759         (Output_section::add_input_section): Set flags for .debug_str
7760         before updating section flags.  Set entsize.
7761         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7762         and SHF_STRING if all input sections have those flags.
7763
7764 2009-12-29   Rafael Espindola  <espindola@google.com>
7765
7766         * main.cc (main): Fix the sys time reporting.
7767         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7768         reporting.
7769
7770 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7771
7772         * options.cc (General_options::parse_version): Allow -v to exit
7773         without an error if there is nothing to link.
7774
7775 2009-12-29  Ian Lance Taylor  <iant@google.com>
7776
7777         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7778         using a version of gcc before 4.1.
7779         * configure: Rebuild.
7780
7781 2009-12-28  Chris Demetriou  <cgd@google.com>
7782
7783         * attributes.cc (Output_attributes_section_data::do_write): Use
7784         std::vector::front rather than std::vector::data.
7785
7786 2009-12-28  Ian Lance Taylor  <iant@google.com>
7787
7788         * symtab.h (class Symbol_table): Add enum Defined.
7789         * resolve.cc (Symbol_table::should_override): Add defined
7790         parameter.  Change all callers.  Test whether object is NULL
7791         before calling a method on it.
7792         (Symbol_table::report_resolve_problem): Add defined parameter.
7793         Change all callers.
7794         (Symbol_table::should_override_with_special): Likewise.
7795         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7796         parameter.  Change all callers.
7797         (Symbol_table::do_define_in_output_data): Likewise.
7798         (Symbol_table::define_in_output_segment): Likewise.
7799         (Symbol_table::do_define_in_output_segment): Likewise.
7800         (Symbol_table::define_as_constant): Likewise.
7801         (Symbol_table::do_define_as_constant): Likewise.
7802         * script.h (class Symbol_assignment): Add is_defsym parameter to
7803         constructor; change all callers.
7804         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7805         parameter.  Change all callers.  Add is_defsym_ field.
7806         (class Parser_closure): Add parsing_defsym parameter to
7807         constructor; change all callers.  Add parsing_defsym accessor
7808         function.  Add parsing_defsym_ field.
7809
7810 2009-12-28  Ian Lance Taylor  <iant@google.com>
7811
7812         * gold.cc (queue_middle_tasks): Fix formatting.
7813         * object.cc (Relobj::is_section_name_included): Likewise.
7814
7815 2009-12-23  Ian Lance Taylor  <iant@google.com>
7816
7817         * i386.cc (Target_i386::do_calls_non_split): Recognize
7818         -fsplit-stack prologue for a function with a static chain.
7819         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7820         -fsplit-stack prologue when using %r11.
7821
7822 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7823
7824         * options.cc (General_options::parse_version): Make -v continue and do
7825         the link like GNU ld does.
7826
7827 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7828
7829         * Makefile.am (CCFILES): Add timer.cc.
7830         (HFILES): Add timer.h.
7831         * configure.ac: Check for sysconf and times.
7832         * main.cc: include timer.h.
7833         (main): Use Timer instead of get_run_time.
7834         * timer.cc: New.
7835         * timer.h: New.
7836         * workqueue.cc: include timer.h.
7837         (Workqueue::find_and_run_task):
7838         Report user, sys and wall time.
7839         * Makefile.in: Regenerate.
7840         * config.in: Regenerate.
7841         * configure: Regenerate.
7842
7843 2009-12-16  Doug Kwan  <dougkwan@google.com>
7844
7845         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7846         sections.
7847         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7848         relaxed input sections.
7849         * output.cc (Output_section::find_relaxed_input_section): Change
7850         return type to Output_relaxed_input_section pointer.  Adjust code
7851         for new type of relaxed_input_section_map_.
7852         * output.h (Output_section::find_relaxed_input_section): Change
7853         return type to Output_relaxed_input_section pointer.
7854         (Output_section::Output_relaxed_input_section_by_input_section_map):
7855         New type.
7856         (Output_section::relaxed_input_section_map_): Change type to
7857         Output_section::Output_relaxed_input_section_by_input_section_map.
7858         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7859         input section.
7860
7861 2009-12-15  Ian Lance Taylor  <iant@google.com>
7862
7863         * layout.cc (Layout::create_shstrtab): Only write out after input
7864         sections if we are compressing debug sections.
7865
7866 2009-12-15  Ian Lance Taylor  <iant@google.com>
7867
7868         * archive.cc (Archive::add_symbols): Only look up a symbol without
7869         a version if there is, in fact, a version.
7870
7871 2009-12-14  Ian Lance Taylor  <iant@google.com>
7872
7873         Revert -Wshadow changes, all changes from:
7874         2009-12-11  Doug Kwan  <dougkwan@google.com>
7875         2009-12-11  Nick Clifton  <nickc@redhat.com>
7876         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7877
7878 2009-12-11  Doug Kwan  <dougkwan@google.com>
7879
7880         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7881         due to -Wshadow.
7882         * attributes.cc (Object_attribute::size): Ditto.
7883         (Attributes_section_data::size): Ditto.
7884         (Attributes_section_data::Attributes_section_data): Ditto.
7885         (Output_attributes_section_data::do_write): Ditto.
7886         * attributes.h (Object_attribute::set_type): Ditto.
7887         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7888
7889 2009-12-11  Nick Clifton  <nickc@redhat.com>
7890
7891         * archive.cc: Fix shadowed variable warnings.
7892         * arm.cc: Likewise.
7893         * compressed_output.cc: Likewise.
7894         * compressed_output.h: Likewise.
7895         * configure: Likewise.
7896         * dwarf_reader.cc: Likewise.
7897         * dynobj.cc: Likewise.
7898         * dynobj.h: Likewise.
7899         * ehframe.cc: Likewise.
7900         * ehframe.h: Likewise.
7901         * errors.cc: Likewise.
7902         * expression.cc: Likewise.
7903         * fileread.cc: Likewise.
7904         * fileread.h: Likewise.
7905         * freebsd.h: Likewise.
7906         * i386.cc: Likewise.
7907         * icf.cc: Likewise.
7908         * incremental.h: Likewise.
7909         * layout.cc: Likewise.
7910         * layout.h: Likewise.
7911         * mapfile.cc: Likewise.
7912         * merge.cc: Likewise.
7913         * merge.h: Likewise.
7914         * object.cc: Likewise.
7915         * object.h: Likewise.
7916         * options.h: Likewise.
7917         * output.cc: Likewise.
7918         * output.h: Likewise.
7919         * parameters.cc: Likewise.
7920         * plugin.cc: Likewise.
7921         * powerpc.cc: Likewise.
7922         * reduced_debug_output.cc: Likewise.
7923         * reduced_debug_output.h: Likewise.
7924         * reloc.cc: Likewise.
7925         * reloc.h: Likewise.
7926         * resolve.cc: Likewise.
7927         * script-sections.cc: Likewise.
7928         * script.cc: Likewise.
7929         * script.h: Likewise.
7930         * sparc.cc: Likewise.
7931         * symtab.cc: Likewise.
7932         * symtab.h: Likewise.
7933         * target-select.cc: Likewise.
7934         * target-select.h: Likewise.
7935         * token.h: Likewise.
7936         * workqueue.cc: Likewise.
7937         * workqueue.h: Likewise.
7938         * x86_64.cc: Likewise.
7939
7940 2009-12-10  Doug Kwan  <dougkwan@google.com>
7941
7942         * arm.cc (attributes.h): New include.
7943         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7944         (Arm_relobj::~Arm_relobj): Delete object pointed by
7945         attributes_section_data_.
7946         (Arm_relobj::attributes_section_data): New method definition.
7947         (Arm_relobj::attributes_section_data_): New data member declaration.
7948         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7949         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7950         attributes_section_data_.
7951         (Arm_dynobj::attributes_section_data): New method definition.
7952         (Arm_dynobj::attributes_section_data_): New data member declaration.
7953         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7954         initialization value of may_use_blx_ to false.
7955         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7956         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7957         object attributes to compute results instead of hard-coding.
7958         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7959         Target_arm::get_secondary_compatible_arch,
7960         Target_arm::set_secondary_compatible_arch
7961         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7962         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7963         New method declarations.
7964         (Target_arm::get_aeabi_object_attribute): New method definition.
7965         (Target_arm::attributes_section_data_): New data member declaration.
7966         (read_arm_attributes_section): New template definition.
7967         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7968         (Arm_dynobj::do_read_symbols): Ditto.
7969         (Target_arm::do_finalize_sections): Merge attributes sections from
7970         input.  Check for BLX use after attributes section merging.
7971         Fix __exidx_start and __exidx_end visibility.  Create an
7972         .ARM.attributes section if necessary.
7973         (Target_arm::get_secondary_compatible_arch,
7974         Target_arm::set_secondary_compatible_arch,
7975         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7976         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7977         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7978         New method definitions.
7979
7980 2009-12-09  Ian Lance Taylor  <iant@google.com>
7981
7982         * plugin.cc (Plugin::load): Don't cast from void* to a function
7983         pointer.
7984
7985 2009-12-09  Ian Lance Taylor  <iant@google.com>
7986
7987         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7988         information fields.
7989
7990 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7991
7992         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7993         Replace two_file_shared_1.so with two_file_shared_2.so.
7994         * testsuite/Makefile.in: Regenerated.
7995
7996 2009-12-08  Doug Kwan  <dougkwan@google.com>
7997
7998         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7999         (HFILES): Add attributes.h and int_encoding.h.
8000         * Makefile.in: Regenerate.
8001         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8002         function definitions to int_encoding.cc
8003         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8004         prototypes to int_encoding.h
8005         * reduced_debug_output.cc (int_encoding.h): New include.
8006         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8007         function definitions to int_encoding.cc
8008         (insert_into_vector, read_from_pointer): Move template definitions to
8009         int_encoding.h
8010         * attributes.cc: New file.
8011         * attributes.h: New file.
8012         * int_encoding.cc: New file.
8013         * int_encoding.h: New file.
8014
8015 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8016
8017         PR gold/11055
8018         * incremental-dump.cc (dump_incremental_inputs): New.
8019         (main): Use dump_incremental_inputs.
8020
8021 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8022
8023         PR gold/10893
8024         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8025         checking elfcpp::STT_FUNC.
8026         (Target_i386::Relocate::relocate): Likewise.
8027         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8028
8029         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8030         symbols from shared libraries into normal FUNC symbols.
8031
8032         * symtab.h (Symbol): Add is_func and use it.
8033
8034 2009-12-05  Doug Kwan  <dougkwan@google.com>
8035
8036         * arm.cc (Target_arm::arm_info): Initialize new fields
8037         attributes_section and attributes_vendor.
8038         * i386.cc (Target_i386::i386_info): Same.
8039         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8040         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8041         fields attributes_section and attributes_vendor.
8042         * sparc.cc (Target_sparc::sparc_info): Same.
8043         * target.h (Target::attributes_section, Target::attributes_vendor,
8044         Target::is_attributes_section, Target::attribute_arg_type,
8045         Target::attributes_order): New method definitions.
8046         (Target::Target_info::attributes_section,
8047         Target::Target_info::attributes_vendor): New fields.
8048         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8049         virtual method definitions.
8050         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8051         attributes_section and attributes_vendor.
8052         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8053
8054 2009-12-05  Doug Kwan  <dougkwan@google.com>
8055
8056         * arm.cc: Update comments about interworking and stub generation.
8057         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8058         considered as non-PIC.
8059         (Arm_relocate_functions::base_abs): Fix formatting.
8060         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8061         of function to use GOT entry address instead of offset.
8062         (Target_arm::Scan::global): Issue an error if a symbol would need a
8063         PLT does not get one because it is untyped.  Remove code to create
8064         dynamic symbols for relative branches.
8065         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8066         takes unsigned integer instead of boolean.
8067
8068 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8069
8070         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8071         (two_file_test_LDADD): Likewise.
8072         (common_test_1_LDADD): Likewise.
8073         (exception_test_LDADD) Likewise.
8074         (weak_test_LDADD): Likewise.
8075         (many_sections_test_LDADD): Likewise.
8076         (initpri1_LDADD): Likewise.
8077         (script_test_1_LDADD): Likewise.
8078         (script_test_2_LDADD): Likewise.
8079         (justsyms_LDADD): Likewise.
8080         (binary_test_LDADD): Likewise.
8081         (large_LDADD): Likewise.
8082         * testsuite/Makefile.in: Regenerated.
8083
8084 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8085
8086         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8087         (Symbol_table::override_with_special): Likewise.
8088         (Symbol_table::add_from_object): Likewise.
8089
8090 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8091
8092         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8093         Don't set the data_offset twice.
8094
8095 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8096
8097         * testsuite/Makefile.in: Regenerate.
8098
8099 2009-12-03  Doug Kwan  <dougkwan@google.com>
8100
8101         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8102         (Target_arm::do_finalize_sections): Add parameter for symbol table
8103         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8104         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8105         parameter for symbol table pointer.
8106         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8107         an additional parameter for a pointer to symbol table.
8108         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8109         parameter for a symbol table pointer.
8110         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8111         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8112         Ditto.
8113         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8114         parameter for a symbol table pointer.
8115
8116 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8117
8118         * incremental.cc (Incremental_inputs_header)
8119         (Incremental_inputs_header_write, Incremental_inputs_entry)
8120         (Incremental_inputs_entry_write): Move ...
8121         * incremental.h (Incremental_inputs_header)
8122         (Incremental_inputs_header_write, Incremental_inputs_entry)
8123         (Incremental_inputs_entry_write): here.
8124
8125 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8126
8127         * incremental.cc (make_sized_incremental_binary): Set the target.
8128         Error if it is incompatible.
8129         * output.h (Output_file): Add filename method.
8130
8131 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8132
8133         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8134         from the get_* methods.
8135
8136 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8137
8138         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8139         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8140         Write 0 for the data_offset of scripts.
8141
8142 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8143
8144         * testsuite/Makefile.am: Add the incremental_test.sh test.
8145         * testsuite/incremental_test.sh: New.
8146         * testsuite/incremental_test_1.c: New.
8147         * testsuite/incremental_test_2.c: New.
8148
8149 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8150
8151        * incremental-dump.cc (main): Fix typos.
8152
8153 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8154
8155         PR gold/11025
8156         * incremental-dump.cc (main): Use llu to print 64 bit values.
8157
8158 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8159             H.J. Lu  <hongjiu.lu@intel.com>
8160
8161         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8162         $(LIBDL).
8163         (incremental_dump_LDADD): Likewise.
8164         * Makefile.in: Regenerated.
8165
8166 2009-11-25  Doug Kwan  <dougkwan@google.com>
8167
8168         Revert:
8169
8170         2009-11-25  Doug Kwan  <dougkwan@google.com>
8171
8172                 * arm.cc (Target_arm::Target_arm): Move method definition
8173                 outside of class definition.  Add code to handle
8174                 --target1-rel, --target1-abs and --target2= options.
8175                 (Target_arm::get_reloc_reloc_type): Change method to be
8176                 non-static and const.
8177                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8178                 New data member declaration.
8179                 (Target_arm::Scan::local, Target_arm::Scan::global,
8180                 Target_arm::Relocate::relocate,
8181                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8182                 Adjust call to Target_arm::get_real_reloc_type.
8183                 (Target_arm::get_real_reloc_type): Use command line options
8184                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8185                 * options.h (--target1-rel, --target1-abs, --target2): New
8186                 ARM-only options.
8187
8188 2009-11-25  Doug Kwan  <dougkwan@google.com>
8189
8190         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8191         class definition.  Add code to handle --target1-rel, --target1-abs
8192         and --target2= options.
8193         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8194         and const.
8195         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8196         member declaration.
8197         (Target_arm::Scan::local, Target_arm::Scan::global,
8198         Target_arm::Relocate::relocate,
8199         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8200         call to Target_arm::get_real_reloc_type.
8201         (Target_arm::get_real_reloc_type): Use command line options to
8202         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8203         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8204         options.
8205
8206 2009-11-25  Doug Kwan  <dougkwan@google.com>
8207
8208         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8209         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8210         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8211         formatting.
8212         (Arm_relocate_functions::thm_call): Replace body with a call to
8213         Arm_relocate_functions::thumb_branch_common.
8214         (Arm_relocate_functions::thm_jump24,
8215         Arm_relocate_functions::thm_xpc22): New method definitions.
8216         (Arm_relocate_functions::thumb_branch_common): New method definition.
8217         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8218         operator.
8219         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8220         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8221
8222 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8223
8224         * Makefile.am: Build incremental-dump
8225         * Makefile.in: Regenerate.
8226         * incremental-dump.cc: New.
8227         * incremental.cc (Incremental_inputs_header_data,
8228         Incremental_inputs_entry_data): Move to incremental.h
8229         * incremental.h: (Incremental_inputs_header_data,
8230         Incremental_inputs_entry_data): Move from incremental.cc
8231
8232 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8233
8234         * incremental.cc (Incremental_inputs_header,
8235         Incremental_inputs_header_write, Incremental_inputs_entry,
8236         Incremental_inputs_entry_write): Add a typedef with the data type.
8237
8238 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8239
8240         * incremental.cc (Incremental_inputs_header,
8241         Incremental_inputs_header_write, Incremental_inputs_entry,
8242         Incremental_inputs_entry_write): Update comment about which
8243         type has the filed descriptions.
8244
8245 2009-11-15  Doug Kwan  <dougkwan@google.com>
8246
8247         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8248         (Arm_relocate_functions::arm_branch_common): Change method defintion
8249         in class definition to a method declaration and update list of formal
8250         parameters.
8251         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8252         Arm_relocation_functions::jump24): Adjust call to
8253         Arm_relocate_functions::arm_branch_common.  Update list of formal
8254         parameters.
8255         (Arm_relocate_functions::xpc25): New method definition.
8256         (Arm_relocate_functions::arm_branch_common): Move method defintion
8257         out from class definition.  Use stubs for mode-switching and extending
8258         branch ranges.
8259         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8260         specially.  Change code to enable use of stubs in ARM branches.
8261
8262 2009-11-10  Doug Kwan  <dougkwan@google.com>
8263
8264         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8265         in method declaration.
8266         (Target_arm::relocate_stub): New method declaration.
8267         (Target_arm::default_target): Change to return a pointer instead of
8268         a const reference.
8269         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8270         Target_arm::default_target.
8271         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8272         method definition.
8273         (Target_arm::relocate_section): Adjust view.
8274         (Target_arm::relocate_stub): New method definition.
8275
8276 2009-11-10  Doug Kwan  <dougkwan@google.com>
8277
8278         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8279         a format warning.
8280         * incremental.cc (open_incremental_binary): Initialized local
8281         variables to avoid warnings.
8282         * object.cc (make_elf_object): Ditto.
8283         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8284         a format warning.
8285
8286 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8287
8288         PR gold/10930
8289         * testsuite/plugin_test.c: Include "config.h".
8290
8291 2009-11-09  Doug Kwan  <dougkwan@google.com>
8292
8293         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8294         (arm_symbol_value): Remove.
8295         (Arm_relocate_functions::arm_branch_common,
8296         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8297         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8298         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8299         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8300         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8301         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8302         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8303         Arm_relocate_functions::thm_mobw_abs_nc,
8304         Arm_relocate_functions::thm_mov_abs,
8305         Arm_relocate_functions::movw_prel_nc,
8306         Arm_relocate_functions::thm_movt_abs,
8307         Arm_relocate_functions::movt_prel,
8308         Arm_relocate_functions::thm_movw_prel_nc,
8309         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8310         (Target_arm::Relocate::relocate): Only decompose address into two
8311         parts if relocation type uses the thumb-bit and pass the actual
8312         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8313         calls to methods in Arm_relocate_functions for this change.
8314
8315 2009-11-08  Ian Lance Taylor  <iant@google.com>
8316
8317         PR 10925
8318         * reloc.cc: Instantiate
8319         Sized_relobj::initialize_input_to_output_maps and
8320         Sized_relobj:free_input_to_output_maps.
8321
8322 2009-11-06  Ian Lance Taylor  <iant@google.com>
8323
8324         PR 10876
8325         * defstd.cc (in_segment): Set only_if_ref true for "end".
8326
8327 2009-11-06  Doug Kwan  <dougkwan@google.com>
8328
8329         * arm.cc (class Reloc_stub): Correct a comment.
8330         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8331         (Target_arm::scan_section_for_stubs): New method declaration.
8332         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8333         Change methods from private to protected.
8334         (Target_arm::do_may_relax): New method definition.
8335         (Target_arm::do_relax, Target_arm::group_sections,
8336         Target_arm::scan_reloc_for_stub,
8337         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8338         (Target_arm::arm_input_section_map_): New data member declaration.
8339         (Target_arm::scan_reloc_for_stub,
8340         Target_arm::scan_reloc_section_for_stubs,
8341         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8342         Target_arm::do_relax): New method definitions.
8343
8344 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8345
8346         * configure.ac: Check for (struct stat)::st_mtim
8347         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8348         * config.in: Regenerate.
8349         * configure: Regenerate.
8350
8351 2009-11-05  Ian Lance Taylor  <iant@google.com>
8352
8353         PR 10910
8354         * output.cc (Output_segment::add_output_section): Add missing
8355         return statement.
8356
8357 2009-11-04  Ian Lance Taylor  <iant@google.com>
8358
8359         PR 10880
8360         * object.h (class Object): Add is_needed and set_is_needed
8361         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8362         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8363         defined in a dynamic object and referenced by a regular object,
8364         set is_needed for the dynamic object.
8365         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8366         if the file is marked with as_needed and it is not needed.
8367
8368 2009-11-04  Ian Lance Taylor  <iant@google.com>
8369
8370         PR 10887
8371         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8372         tags if data is discarded by linker script.
8373         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8374         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8375         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8376         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8377
8378 2009-11-04  Ian Lance Taylor  <iant@google.com>
8379
8380         * layout.cc (Layout::get_output_section): Add is_interp and
8381         is_dynamic_linker_section parameters.  Change all callers.
8382         (Layout::choose_output_section): Likewise.
8383         (Layout::make_output_section): Likewise.
8384         (Layout::add_output_section_data): Add is_dynamic_linker_section
8385         parameter.  Change all callers.
8386         * layout.h (class Layout): Update declarations.
8387         * output.h (class Output_section): Add is_interp, set_is_interp,
8388         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8389         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8390         generate_code_fills_at_write_ to a bitfield.
8391         * output.cc (Output_section::Output_sections): Initialize new
8392         fields.
8393         (Output_segment::add_output_section): Add do_sort parameter.
8394         Change all callers.
8395
8396 2009-11-03  Ian Lance Taylor  <iant@google.com>
8397
8398         PR 10860
8399         * options.h (class General_options): Add --warn-common.
8400         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8401         merging two common symbols.
8402         (Symbol_table::should_override): Handle --warn-common when merging
8403         a common symbol with a defined symbol.  Use report_resolve_problem
8404         for multiple definitions.
8405         (Symbol_table::report_resolve_problem): New function.
8406         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8407
8408 2009-11-03  Doug Kwan  <dougkwan@google.com>
8409
8410         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8411         stub_factory_.
8412         (Target_arm::stub_factory): New method definition.
8413         (Target_arm::new_arm_input_section,
8414         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8415         Target_arm::reloc_uses_thumb_bit): New method declarations.
8416         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8417         New type definitions.
8418         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8419         member declarations.
8420         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8421         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8422         New method definitions.
8423
8424 2009-11-03  Ian Lance Taylor  <iant@google.com>
8425
8426         * options.h (class General_options): Add --warn_constructors.
8427
8428 2009-11-03  Ian Lance Taylor  <iant@google.com>
8429
8430         PR 10893
8431         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8432         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8433
8434 2009-11-03  Ian Lance Taylor  <iant@google.com>
8435
8436         PR 10895
8437         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8438         --msgid-bugs-address.
8439         (install-pdf): New target.
8440         (install-data_yes): Look up one directory to find mkinstalldirs.
8441
8442 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8443
8444         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8445         tree.
8446
8447 2009-10-30  Doug Kwan  <dougkwan@google.com>
8448
8449         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8450
8451 2009-10-30  Doug Kwan  <dougkwan@google.com>
8452
8453         * arm.cc (Stub_addend_reader): New struct template definition
8454         and partial specializations.
8455         (Stub_addend_reader::operator()): New method definition for a
8456         partially specialized template.
8457
8458 2009-10-30  Doug Kwan  <dougkwan@google.com>
8459
8460         * arm.cc (Arm_relobj::processor_specific_flags): New method
8461         definition.
8462         (Arm_relobj::do_read_symbols): New method declaration.
8463         (Arm_relobj::processor_specific_flags_): New data member declaration.
8464         (Arm_dynobj): New class definition.
8465         (Target_arm::do_finalize_sections): Add input_objects parameter.
8466         (Target_arm::do_adjust_elf_header): New method declaration.
8467         (Target_arm::are_eabi_versions_compatible,
8468         (Target_arm::merge_processor_specific_flags): New method declaration.
8469         (Target_arm::do_make_elf_object): New overloaded method definitions
8470         and declaration.
8471         (Arm_relobj::do_read_symbols): New method definition.
8472         (Arm_dynobj::do_read_symbols): Ditto.
8473         (Target_arm::do_finalize_sections): Add input_objects parameters.
8474         Merge processor-specific flags from all input objects.
8475         (Target_arm::are_eabi_versions_compatible,
8476         Target_arm::merge_processor_specific_flags,
8477         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8478         New method definitions.
8479         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8480         Input_objects pointer type parameter.
8481         * layout.cc (Layout::finalize): Pass input objects to target's.
8482         finalize_sections function.
8483         * output.cc (Output_file_header::do_sized_write): Set ELF file
8484         header's processor-specific flags.
8485         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8486         Input_objects pointer type parameter.
8487         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8488         * target.h (Input_objects): New forward class declaration.
8489         (Target::processor_specific_flags,
8490         Target::are_processor_specific_flags_sect): New method definitions.
8491         (Target::finalize_sections): Add input_objects parameter.
8492         (Target::Target): Initialize processor_specific_flags_ and
8493         are_processor_specific_flags_set_.
8494         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8495         parameter.
8496         (Target::set_processor_specific_flags): New method definition.
8497         (Target::processor_specific_flags_,
8498         Target::are_processor_specific_flags_set_): New data member
8499         declarations.
8500         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8501         Input_objects pointer type parameter.
8502
8503 2009-10-30  Doug Kwan  <dougkwan@google.com>
8504
8505         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8506
8507 2009-10-28  Ian Lance Taylor  <iant@google.com>
8508
8509         * object.h (class Relobj): Drop options parameter from
8510         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8511         do_scan_relocs, do_relocate.  Change all callers.
8512         (class Sized_relobj): Drop options parameters from
8513         do_gc_process_relocs, do_scan_relocs, do_relocate,
8514         do_relocate_sections, relocate_sections, emit_relocs_scan,
8515         emit_relocs_scan_reltype.  Change all callers.
8516         (struct Relocate_info): Remove options field and all references to
8517         it.
8518         * reloc.h (class Read_relocs): Remove options constructor
8519         parameter and options_ field.  Change all callers.
8520         (class Gc_process_relocs, class Scan_relocs): Likewise.
8521         (class Relocate_task): Likewise.
8522         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8523         all callers.
8524         (scan_relocatable_relocs): Likewise.
8525         * target.h (class Sized_target): Remove options parameter from
8526         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8527         all callers.
8528         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8529         callers.
8530         * arm.cc: Update functions to remove options parameters.
8531         * i386.cc: Likewise.
8532         * powerpc.cc: Likewise.
8533         * sparc.cc: Likewise.
8534         * x86_64.cc: Likewise.
8535         * testsuite/testfile.cc: Likewise.
8536
8537 2009-10-28  Doug Kwan  <dougkwan@google.com>
8538
8539         * arm.cc (Arm_relobj): New class definition.
8540         (Arm_relobj::scan_sections_for_stubs,
8541         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8542         New method definitions.
8543
8544 2009-10-28  Cary Coutant  <ccoutant@google.com>
8545
8546         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8547         (Plugin::cleanup_done_): New member.
8548         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8549         (Plugin_manager::cleanup_done_): Remove.
8550         (Plugin_manager::add_input_file): Edit error message.
8551         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8552         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8553
8554 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8555
8556         * fileread.cc: (File_read::View::~View): Use the new
8557         data_ownership_ filed.
8558         (File_read::~File_read): Dispose the new whole_file_view_.
8559         (File_read::open): Mmap the whole file if needed.
8560         (File_read::open): Use whole_file_view_ instead of contents_.
8561         (File_read::find_view): Use whole_file_view_ if applicable.
8562         (File_read::do_read): Use whole_file_view_ instead of contents_.
8563         (File_read::make_view): Use whole_file_view_ instead of contents_,
8564         update File_read::View::View call.
8565         (File_read::find_or_make_view): Update File_read::View::View
8566         call.
8567         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8568         remove contents_
8569         (File_read::View::Data_ownership): New enum.
8570         (File_read::View::View): Replace bool mapped_ with Data_ownership
8571         argument.
8572         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8573         (File_read::View::data_ownership_): New field.
8574         (File_read::contents_): Remove (replaced by whole_file_view_).
8575         (File_read::whole_file_view_): New field.
8576         * options.h (class General_options): Add --keep-files-mapped.
8577
8578 2009-10-27  Cary Coutant  <ccoutant@google.com>
8579
8580         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8581         * testsuite/Makefile.am (plugin_test_5): New test case.
8582         * testsuite/Makefile.in: Regenerate.
8583
8584 2009-10-25  Doug Kwan  <dougkwan@google.com>
8585
8586         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8587         from private to protected to allow access by child class.
8588         (Sized_relobj::do_relocate_sections): New method declaration.
8589         (Sized_relobj::relocate_sections): Virtualize.
8590         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8591         Sized_relobj::relocate_sections.  Instantiate template explicitly
8592         for different target sizes and endianity.
8593
8594 2009-10-24  Doug Kwan  <dougkwan@google.com>
8595
8596         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8597         (Arm_input_section::as_arm_input_section): New method.
8598         (Arm_output_section): New class definition.
8599         (Arm_output_section::create_stub_group,
8600         Arm_output_section::group_sections): New method definitions.
8601
8602 2009-10-22  Doug Kwan  <dougkwan@google.com>
8603
8604         * arm.cc (Arm_input_section): New class definition.
8605         (Arm_input_section::init, Arm_input_section:do_write,
8606         Arm_input_section::set_final_data_size,
8607         Arm_input_section::do_reset_address_and_file_offset): New method
8608         definitions.
8609
8610 2009-10-21  Doug Kwan  <dougkwan@google.com>
8611
8612         * arm.cc (Stub_table, Arm_input_section): New forward class
8613         declarations.
8614         (Stub_table): New class defintion.
8615         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8616         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8617         New method definition.
8618
8619 2009-10-21  Doug Kwan  <dougkwan@google.com>
8620
8621         * arm.cc: Update copyright comments.
8622         (Target_arm): New forward class template declaration.
8623         (Arm_address): New type.
8624         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8625         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8626         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8627         constants.
8628         (Insn_template): Same.
8629         (DEF_STUBS): New macro.
8630         (Stub_type): New enum type.
8631         (Stub_template): New class definition.
8632         (Stub): Same.
8633         (Reloc_stub): Same.
8634         (Stub_factory): Same.
8635         (Target_arm::Target_arm): Initialize may_use_blx_ and
8636         should_force_pic_veneer_.
8637         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8638         Target_arm::should_force_pic_veneer,
8639         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8640         Target_arm::using_thumb_only, Target_arm:;default_target): New
8641         method defintions.
8642         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8643         New data member declarations.
8644         (Insn_template::size, Insn_template::alignment): New method defintions.
8645         (Stub_template::Stub_template): New method definition.
8646         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8647         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8648         (Stub_factory::Stub_factory): New method definition.
8649         * gold.h (string_hash): New template.
8650         * output.h (Input_section_specifier::hash_value): Use
8651         gold::string_hash.
8652         (Input_section_specifier::string_hash): Remove.
8653         * stringpool.cc (Stringpool_template::string_hash): Use
8654         gold::string_hash.
8655
8656 2009-10-20  Doug Kwan  <dougkwan@google.com>
8657
8658         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8659         symbols of relaxed input sections.
8660         * output.h (Output_section::find_relaxed_input_section): Make
8661         method public.
8662
8663 2009-10-16  Doug Kwan  <dougkwan@google.com>
8664
8665         * dynobj.cc (Versions::Versions): Initialize version_script_.
8666         Only insert base version symbol definition for a shared object
8667         if version script defines any version versions.
8668         (Versions::define_base_version): New method definition.
8669         (Versions::add_def): Check that base version is not needed.
8670         (Versions::add_need): Define base version lazily.
8671         * dynobj.h (Versions::define_base_version): New method declaration.
8672         (Versions::needs_base_version_): New data member declaration.
8673         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8674         (check_DATA): Add no_version_test.stdout.
8675         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8676         New make rules.
8677         * testsuite/Makefile.in: Regenerate.
8678         * testsuite/no_version_test.c: New file.
8679         * testsuite/no_version_test.sh: Ditto.
8680
8681 2009-10-16  Doug Kwan  <dougkwan@google.com>
8682
8683         * expression.cc (class Segment_start_expression): New class definition.
8684         (Segment_start_expression::value): New method definition.
8685         (script_exp_function_segment_start): Return a new
8686         Segment_start_expression.
8687         * gold/script-c.h (script_saw_segment_start_expression): New function
8688         prototype.
8689         * script-sections.cc (Script_sections::Script_sections): Initialize
8690         SAW_SEGMENT_START_EXPRESSION_ to false.
8691         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8692         and -Tbbs options to specify section addresses if given in
8693         command line and no SEGMENT_START expression is seen in a script.
8694         * script-sections.h (Script_sections::saw_segment_start_expression,
8695         Script_sections::set_saw_segment_start_expression): New method
8696         definition.
8697         (Script_sections::saw_segment_start_expression_): New data member
8698         declaration.
8699         * script.cc (script_saw_segment_start_expression): New function.
8700         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8701         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8702         script_test_7.sh and script_test_8.sh.
8703         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8704         script_test_8.stdout.
8705         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8706         (script_test_6, script_test_6.stdout, script_test_7,
8707         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8708         * Makefile.in: Regenerate.
8709         * testsuite/script_test_6.sh: New file.
8710         * testsuite/script_test_6.t: Same.
8711         * testsuite/script_test_7.sh: Same.
8712         * testsuite/script_test_7.t: Same.
8713         * testsuite/script_test_8.sh: Same.
8714
8715 2009-10-16  Doug Kwan  <dougkwan@google.com>
8716
8717         * output.cc (Output_segment::set_section_list_address): Cast
8718         expressions to unsigned long long type to avoid format warnings.
8719
8720 2009-10-15  Ian Lance Taylor  <iant@google.com>
8721
8722         * script.cc (Script_options::add_symbol_assignment): Always add a
8723         dot assignment to script_sections_.
8724         * script-sections.cc (Script_sections::add_dot_assignment):
8725         Initialize if necessary.
8726
8727         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8728         program headers with no load segment if there is a linker script.
8729
8730         * layout.cc (Layout::set_segment_offsets): Align the file offset
8731         to the segment aligment for -N or -n with no load segment.
8732         * output.cc (Output_segment::add_output_section): Don't crash if
8733         the first section is a TLS section.
8734         (Output_segment::set_section_list_addresses): Print an error
8735         message if the address moves backward in a linker script.
8736         * script-sections.cc
8737         (Output_section_element_input::set_section_addresses): Don't
8738         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8739         (Orphan_output_section::set_section_addresses): Likewise.
8740
8741 2009-10-15  Doug Kwan  <dougkwan@google.com>
8742
8743         * layout.cc (Layout::finish_dynamic_section): Generate tags
8744         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8745         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8746         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8747
8748 2009-10-14  Ian Lance Taylor  <iant@google.com>
8749
8750         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8751         fields.
8752         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8753         data_shdr fields of relinfo.
8754         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8755         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8756         R_386_TLS_LDO_32, adjust based on section flags.
8757         (Target_i386::Relocate::fix_up_ldo): Remove.
8758
8759 2009-10-13  Ian Lance Taylor  <iant@google.com>
8760
8761         Add support for -pie.
8762         * options.h (class General_options): Add -pie and
8763         --pic-executable.
8764         (General_options::output_is_position_independent): Test -pie.
8765         (General_options::output_is_executable): Return true if not shared
8766         and not relocatable.
8767         (General_options::output_is_pie): Remove.
8768         * options.cc (General_options::finalize): Reject incompatible uses
8769         of -pie.
8770         * gold.cc (queue_middle_tasks): A -pie link is not static.
8771         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8772         * symtab.cc (Symbol::final_value_is_known): Return false if
8773         output_is_position_independent.
8774         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8775         output_is_position_independent.
8776         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8777         output_is_position_independent.
8778         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8779         output_is_position_independent.
8780         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8781         two_file_pie_test.
8782         (basic_pie_test.o, basic_pie_test): New targets.
8783         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8784         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8785         (two_file_pie_test): New target.
8786         * testsuite/Makefile.in: Rebuild.
8787         * README: Remove note saying that -pie is not supported.
8788
8789 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8790
8791         * options.h (class General_options): Add -init and -fini.
8792         * layout.cc (Layout::finish_dynamic_section): Emit
8793         given init and fini functions.
8794
8795 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8796
8797         * gc.h (gc_process_relocs): Check if icf is enabled using new
8798         function.
8799         * gold.cc (queue_initial_tasks): Likewise.
8800         (queue_middle_tasks): Likewise.
8801         * object.cc (do_layout): Likewise.
8802         * symtab.cc (is_section_folded): Likewise.
8803         * main.cc (main): Likewise.
8804         * reloc.cc (Read_relocs::run): Likewise.
8805         (Sized_relobj::do_scan_relocs): Likewise.
8806         * icf.cc (is_function_ctor_or_dtor): New function.
8807         (Icf::find_identical_sections): Check if function is ctor or dtor when
8808         safe icf is chosen.
8809         * options.h (General_options::icf): Change option to be an enum.
8810         (Icf_status): New enum.
8811         (icf_enabled): New method.
8812         (icf_safe_folding): New method.
8813         (set_icf_status): New method.
8814         (icf_status_): New variable.
8815         * (options.cc) (General_options::finalize): Set icf_status_.
8816         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8817         icf_test and icf_keep_unique_test to use the --icf enum flag.
8818         * testsuite/icf_safe_test.sh: New file.
8819         * testsuite/icf_safe_test.cc: New file.
8820
8821 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8822
8823         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8824         includes to gc.h and icf.h.
8825         * arm.cc: Include gc.h.
8826         * gold.cc: Likewise.
8827         * i386.cc: Likewise.
8828         * powerpc.cc: Likewise.
8829         * sparc.cc: Likewise.
8830         * x86_64.cc: Likewise.
8831         * gc.h: Include icf.h.
8832
8833 2009-10-11  Ian Lance Taylor  <iant@google.com>
8834
8835         * plugin.cc: Include "gold.h" before other header files.
8836
8837 2009-10-10  Chris Demetriou  <cgd@google.com>
8838
8839         * options.h (Input_file_argument::Input_file_type): New enum.
8840         (Input_file_argument::is_lib_): Replace with...
8841         (Input_file_argument::type_): New member.
8842         (Input_file_argument::Input_file_argument): Take Input_file_type
8843         'type' rather than boolean 'is_lib' as second argument.
8844         (Input_file_argument::is_lib): Use type_.
8845         (Input_file_argument::is_searched_file): New function.
8846         (Input_file_argument::may_need_search): Handle is_searched_file.
8847         * options.cc (General_options::parse_library): Support -l:filename.
8848         (General_options::parse_just_symbols): Update for Input_file_argument
8849         changes.
8850         (Command_line::process): Likewise.
8851         * archive.cc (Archive::get_file_and_offset): Likewise.
8852         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8853         * script.cc (read_script_file, script_add_file): Likewise.
8854         * fileread.cc (Input_file::Input_file): Likewise.
8855         (Input_file::will_search_for): Handle is_searched_file.
8856         (Input_file::open): Likewise.
8857         * readsyms.cc (Read_symbols::get_name): Likewise.
8858         * testsuite/Makefile.am (searched_file_test): New test.
8859         * testsuite/Makefile.in: Regenerate.
8860         * testsuite/searched_file_test.cc: New file.
8861         * testsuite/searched_file_test_lib.cc: New file.
8862
8863 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8864             Ian Lance Taylor  <iant@google.com>
8865
8866         * descriptor.cc: Include <cstdio> and "binary-io.h".
8867         (Descriptors::open): Open the files in binary mode always.
8868         * script.cc (Lex::get_token): Treat \r as whitespace.
8869
8870 2009-10-09  Ian Lance Taylor  <iant@google.com>
8871
8872         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8873
8874 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8875             Ian Lance Taylor  <iant@google.com>
8876
8877         * configure.ac: Check for readv function also.
8878         * fileread.cc (readv): Define if not HAVE_READV.
8879         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8880         does not exist.
8881         * config.in: Regenerate.
8882         * configure: Regenerate.
8883
8884 2009-10-09  Doug Kwan  <dougkwan@google.com>
8885
8886         * layout.cc (Layout::make_output_section): Call target hook to make
8887         ordinary output section.
8888         (Layout::finalize): Adjust parameter list of call the
8889         Target::may_relax().
8890         * layout.h (class Layout::section_list): New method.
8891         * merge.h (Output_merge_base::entsize): Change visibility to public.
8892         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8893         New methods.
8894         (Output_merge_string::do_is_string): New method.
8895         * object.cc (Sized_relobj::do_setup): renamed from
8896         Sized_relobj::set_up.
8897         * object.h (Sized_relobj::adjust_shndx,
8898         Sized_relobj::initializ_input_to_output_maps,
8899         Sized_relobj::free_input_to_output_maps): Change visibilities to
8900         protected.
8901         (Sized_relobj::setup): Virtualize.
8902         (Sized_relobj::do_setup): New method declaration.
8903         (Sized_relobj::invalidate_section_offset,
8904         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8905         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8906         * options.cc (parse_int): New function.
8907         * options.h (parse_int): New declaration.
8908         (DEFINE_int): New macro.
8909         (stub_group_size): New option.
8910         * output.cc (Output_section::Output_section): Initialize memebers
8911         merge_section_map_, merge_section_by_properties_map_,
8912         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8913         (Output_section::add_input_section): Handled deferred code-fill
8914         generation and remove an old comment.
8915         (Output_section::add_relaxed_input_section): New method definition.
8916         (Output_section::add_merge_input_section): Use merge section by
8917         properties map to speed to search.  Update merge section maps
8918         as appropriate.
8919         (Output_section::build_relaxation_map): New method definition.
8920         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8921         Same.
8922         (Output_section::relax_input_section): Renamed to
8923         Output_section::convert_input_sections_to_relaxed_sections and change
8924         interface to take a vector of pointers to relaxed sections.
8925         (Output_section::find_merge_section,
8926         Output_section::find_relaxed_input_section): New method definitions.
8927         (Output_section::is_input_address_mapped,
8928         Output_section::output_offset, Output_section::output_address):
8929         Use output section data maps to speed up searching.
8930         (Output_section::find_starting_output_address): Add comments.
8931         (Output_section::do_write,
8932         Output_section::write_to_postprocessing_buffer): Do code-fill
8933         generation as appropriate.
8934         (Output_section::get_input_sections): Invalidate relaxed input section
8935         map.
8936         (Output_section::restore_states): Adjust type of checkpoint .
8937         Invalidate relaxed input section map.
8938         * output.h (Output_merge_base): New class declaration.
8939         (Input_section_specifier): New class defintion.
8940         (class Output_relaxed_input_section) Change base class to
8941         Output_section_data_build.
8942         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8943         base class initializer.
8944         (Output_section::add_relaxed_input_section): New method declaration.
8945         (Output_section::Input_section): Change visibility to protected.
8946         (Output_section::Input_section::relobj,
8947         Output_section::Input_section::shndx): Handle relaxed input sections.
8948         Output_section::input_sections) Change visibility to protected.  Also
8949         define overload to return a non-const pointer.
8950         (Output_section::Merge_section_properties): New class defintion.
8951         (Output_section::Merge_section_by_properties_map,
8952         Output_section::Output_section_data_by_input_section_map,
8953         Output_section::Relaxation_map): New types.
8954         (Output_section::relax_input_section): Rename method to
8955         Output_section::convert_input_sections_to_relaxed_sections and change
8956         interface to take a vector of relaxed section pointers.
8957         (Output_section::find_merge_section,
8958         Output_section::find_relaxed_input_section,
8959         Output_section::build_relaxation_map,
8960         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8961         New method declarations.
8962         (Output_section::merge_section_map_
8963         Output_section::merge_section_by_properties_map_,
8964         Output_section::relaxed_input_section_map_,
8965         Output_section::is_relaxed_input_section_map_valid_,
8966         Output_section::generate_code_fills_at_write_): New data members.
8967         * script-sections.cc
8968         (Output_section_element_input::set_section_addresses): Call
8969         current_data_size and addralign methods of relaxed input sections.
8970         (Orphan_output_section::set_section_addresses): Call current_data_size
8971         and addralign methods of relaxed input sections.
8972         * symtab.cc (Symbol_table::compute_final_value): Extract template
8973         from the body of Symbol_table::sized_finalize_symbol.
8974         (Symbol_table::sized_finalized_symbol): Call
8975         Symbol_table::compute_final_value.
8976         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8977         (Symbol_table::compute_final_value): New templated method declaration.
8978         * target.cc (Target::do_make_output_section): New method defintion.
8979         * target.h (Target::make_output_section): New method declaration.
8980         (Target::relax): Add more parameters for input objects, symbol table
8981         and layout.  Adjust call to do_relax.
8982         (Target::do_make_output_section): New method declaration.
8983         (Target::do_relax): Add parameters for input objects, symbol table
8984         and layout.
8985
8986 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8987
8988         * pread.c: Include stdio.h.
8989
8990 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8991
8992         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8993         defined.
8994
8995 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8996
8997         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8998         Change read_shndx type to unsigned int.
8999         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9000         int.
9001         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9002         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9003         Change read_shndx type to unsigned int.
9004         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9005         int.
9006         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9007         * layout.cc (Layout::create_symtab_sections): Cast the result of
9008         local_symcount * symsize to off_t in the gold_assert.
9009
9010 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9011
9012         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9013         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9014         R_ARM_BASE_ABS.
9015         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9016         (Arm_relocate_functions::thm_abs5): New function.
9017         (Arm_relocate_functions::abs12): New function.
9018         (Arm_relocate_functions::abs16): New function.
9019         (Arm_relocate_functions::base_abs): New function.
9020         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9021         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9022         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9023         R_ARM_BASE_ABS.
9024         (Scan::global): Likewise.
9025         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9026         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9027         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9028         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9029         R_ARM_BASE_ABS.
9030
9031 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9032
9033         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9034         (Arm_relocate_functions::movt_prel): New function.
9035         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9036         (Arm_relocate_functions::thm_movt_prel): New function.
9037         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9038         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9039         (Scan::global, Relocate::relocate): Likewise.
9040         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9041
9042 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9043
9044         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9045         Incremental_checker.
9046         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9047         unsigned int.
9048         (class Incremental_inputs_header): New class.
9049         (Incremental_inputs_header_writer): Edit comment.
9050         (Incremental_inputs_entry): New class.
9051         (Incremental_inputs_entry_writer): Edit comment.
9052         (Sized_incremental_binary::do_find_incremental_inputs_section):
9053         Add *strtab_shndx parameter, fill it.
9054         (Sized_incremental_binary::do_check_inputs): New method.
9055         (Incremental_checker::can_incrementally_link_output_file): Use
9056         Sized_incremental_binary::check_inputs.
9057         (Incremental_inputs::report_command_line): Save command line in
9058         command_line_.
9059         * incremental.h:
9060         (Incremental_binary::find_incremental_inputs_section): New
9061         method.
9062         (Incremental_binary::do_find_incremental_inputs_section): Add
9063         strtab_shndx parameter.
9064         (Incremental_binary::do_check_inputs): New pure virtual method.
9065         (Sized_incremental_binary::do_check_inputs): Declare.
9066         (Incremental_checker::Incremental_checker): Add incremental_inputs
9067         parameter, use it to initialize incremental_inputs_.
9068         (Incremental_checker::incremental_inputs_): New field.
9069         (Incremental_checker::command_line): New method.
9070         (Incremental_checker::inputs): New method.
9071         (Incremental_checker::command_line_): New field.
9072
9073 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9074
9075         * incremental.cc: Include <cstdarg> and "target-select.h".
9076         (vexplain_no_incremental): New function.
9077         (explain_no_incremental): New function.
9078         (Incremental_binary::error): New method.
9079         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9080         method.
9081         (make_sized_incremental_binary): New function.
9082         (open_incremental_binary): New function.
9083         (can_incrementally_link_file): Add checks if output is ELF and has
9084         inputs section.
9085         * incremental.h: Include "elfcpp_file.h" and "output.h".
9086         (Incremental_binary): New class.
9087         (Sized_incremental_binary): New class.
9088         (open_incremental_binary): Declare.
9089         * object.cc (is_elf_object): Use
9090         elfcpp::Elf_recognizer::is_elf_file.
9091         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9092         * output.h (Output_file::filesize): New method.
9093
9094 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9095
9096         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9097         New function.
9098         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9099         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9100         function.
9101         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9102         function.
9103         (Arm_relocate_functions::movw_abs_nc): New function.
9104         (Arm_relocate_functions::movt_abs): New function.
9105         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9106         (Arm_relocate_functions::thm_movt_abs): New function.
9107         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9108         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9109         (Scan::global): Likewise.
9110         (Relocate::relocate): Likewise.
9111         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9112
9113 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9114
9115         * arm.cc (Arm_relocate_functions::got_prel) New function.
9116         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9117         (Relocate::relocate): Likewise.
9118         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9119
9120 2009-10-06  Ian Lance Taylor  <iant@google.com>
9121
9122         * options.h (class General_options): Define
9123         split_stack_adjust_size parameter.
9124         * object.h (class Object): Add uses_split_stack_ and
9125         has_no_split_stack_ fields.  Add uses_split_stack and
9126         has_no_split_stack accessor functions.  Declare
9127         handle_split_stack_section.
9128         (class Reloc_symbol_changes): Define.
9129         (class Sized_relobj): Define Function_offsets.  Declare
9130         split_stack_adjust, split_stack_adjust_reltype, and
9131         find_functions.
9132         * object.cc (Object::handle_split_stack_section): New function.
9133         (Sized_relobj::do_layout): Call handle_split_stack_section.
9134         * dynobj.cc (Sized_dynobj::do_layout): Call
9135         handle_split_stack_section.
9136         * reloc.cc (Sized_relobj::relocate_sections): Call
9137         split_stack_adjust for executable sections in split_stack
9138         objects.  Pass reloc_map to relocate_section.
9139         (Sized_relobj::split_stack_adjust): New function.
9140         (Sized_relobj::split_stack_adjust_reltype): New function.
9141         (Sized_relobj::find_functions): New function.
9142         * target-reloc.h: Include "object.h".
9143         (relocate_section): Add reloc_symbol_changes parameter.  Change
9144         all callers.
9145         * target.h (class Target): Add calls_non_split method.  Declare
9146         do_calls_non_split virtual method.  Declare match_view and
9147         set_view_to_nop.
9148         * target.cc: Include "elfcpp.h".
9149         (Target::do_calls_non_split): New function.
9150         (Target::match_view): New function.
9151         (Target::set_view_to_nop): New function.
9152         * gold.cc (queue_middle_tasks): Give an error if mixing
9153         split-stack and non-split-stack objects with -r.
9154         * i386.cc (Target_i386::relocate_section): Add
9155         reloc_symbol_changes parameter.
9156         (Target_i386::do_calls_non_split): New function.
9157         * x86_64.cc (Target_x86_64::relocate_section): Add
9158         reloc_symbol_changes parameter.
9159         (Target_x86_64::do_calls_non_split): New function.
9160         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9161         parameter.
9162         * powerpc.cc (Target_powerpc::relocate_section): Add
9163         reloc_symbol_changes parameter.
9164         * sparc.cc (Target_sparc::relocate_section): Add
9165         reloc_symbol_changes parameter.
9166         * configure.ac: Call AM_CONDITIONAL for the default target.
9167         * configure: Rebuild.
9168         * testsuite/Makefile.am (TEST_AS): New variable.
9169         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9170         (check_DATA): Add split_i386 and split_x86_64 files.
9171         (SPLIT_DEFSYMS): Define.
9172         (split_i386_[1234n].o): New targets.
9173         (split_i386_[124]): New targets.
9174         (split_i386_[1234r].stdout): New targets.
9175         (split_x86_64_[1234n].o): New targets.
9176         (split_x86_64_[124]): New targets.
9177         (split_x86_64_[1234r].stdout): New targets.
9178         (MOSTLYCLEANFILES): Add new executables.
9179         * testsuite/split_i386.sh: New file.
9180         * testsuite/split_x86_64.sh: New file.
9181         * testsuite/split_i386_1.s: New file.
9182         * testsuite/split_i386_2.s: New file.
9183         * testsuite/split_i386_3.s: New file.
9184         * testsuite/split_i386_4.s: New file.
9185         * testsuite/split_i386_n.s: New file.
9186         * testsuite/split_x86_64_1.s: New file.
9187         * testsuite/split_x86_64_2.s: New file.
9188         * testsuite/split_x86_64_3.s: New file.
9189         * testsuite/split_x86_64_4.s: New file.
9190         * testsuite/split_x86_64_n.s: New file.
9191         * testsuite/testfile.cc (Target_test): Update relocation_section
9192         function.
9193         * testsuite/Makefile.in: Rebuild.
9194
9195 2009-10-06  Ian Lance Taylor  <iant@google.com>
9196
9197         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9198         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9199         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9200         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9201         the address on ldo_addrs_.
9202         (Target_i386::Relocate::fix_up_ldo): New function.
9203
9204 2009-10-06   Rafael Espindola  <espindola@google.com>
9205
9206         * plugin.cc (add_input_library): New.
9207         (Plugin::load): Add add_input_library to tv.
9208         (Plugin_manager::add_input_file): Add the is_lib argument.
9209         (add_input_file): Update call to Plugin_manager::add_input_file.
9210         (add_input_library): New.
9211         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9212
9213 2009-09-30  Doug Kwan  <dougkwan@google.com>
9214
9215         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9216         symbol and call Symbol::may_need_copy_reloc to determine if
9217         a copy reloc is needed.
9218         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9219         nocopyreloc is given in command line.
9220         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9221         given in command line.
9222         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9223         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9224         of the removed Target_i386::may_need_copy_reloc.
9225         * options.h (copyreloc): New option with default value false.
9226         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9227         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9228         instead of the removed Target_powerpc::may_need_copy_reloc.
9229         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9230         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9231         instead of the removed Target_sparc::may_need_copy_reloc.
9232         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9233         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9234         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9235         instead of the removed Target_x86_64::may_need_copy_reloc.
9236
9237 2009-09-30  Ian Lance Taylor  <iant@google.com>
9238
9239         * object.h (class Object): Remove target_ field, and target,
9240         sized_target, and set_target methods.
9241         (Object::sized_target): Remove.
9242         (class Sized_relobj): Update declarations.  Remove sized_target.
9243         * object.cc (Sized_relobj::setup): Remove target parameter.
9244         Change all callers.
9245         (Input_objects::add_object): Don't do anything with the target.
9246         (make_elf_sized_object): Add punconfigured parameter.  Change all
9247         callers.  Set or test parameter target.
9248         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9249         Change all callers.
9250         * parameters.cc (Parameters::set_target): Change parameter type to
9251         be non-const.
9252         (Parameters::default_target): Remove.
9253         (set_parameters_target): Change parameter type to be non-const.
9254         (parameters_force_valid_target): New function.
9255         (parameters_clear_target): New function.
9256         * parameters.h (class Parameters): Update declarations.  Remove
9257         default_target method.  Add sized_target and clear_target
9258         methods.  Change target_ to be non-const.
9259         (set_parameters_target): Update declaration.
9260         (parameters_force_valid_target): Declare.
9261         (parameters_clear_target): Declare.
9262         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9263         as NULL if we aren't searching.
9264         (Add_symbols::run): Don't check for compatible target.
9265         * fileread.cc (Input_file::open_binary): Call
9266         parameters_force_valid_target.
9267         * gold.cc (queue_middle_tasks): Likewise.
9268         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9269         set_target on object.
9270         * dynobj.h (class Sized_dynobj): Update declarations.
9271         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9272         make_elf_object returns NULL.
9273         (Archive::include_member): Don't check whether object target is
9274         compatible.
9275         * output.cc (Output_section::add_input_section): Get target from
9276         parameters.
9277         (Output_section::relax_input_section): Likewise.
9278         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9279         parameters.
9280         (Sized_relobj::do_scan_relocs): Likewise.
9281         (Sized_relobj::relocate_sections): Likewise.
9282         * resolve.cc (Symbol_table::resolve): Likewise.
9283         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9284         parameter.  Change all callers.
9285         (Symbol_table::add_from_object): Get target from parameters.
9286         (Symbol_table::add_from_relobj): Don't check object target.
9287         (Symbol_table::add_from_dynobj): Likewise.
9288         (Symbol_table::define_special_symbol): Get target from
9289         parameters.
9290         * symtab.h (class Symbol_table): Update declaration.
9291         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9292         parameter.  Change all callers.  Clear parameter target.
9293         (Binary_test): Test target here.
9294         * testsuite/object_unittest.cc (gold_testsuite): Remove
9295         target_test_pointer parameter.  Change all callers.
9296         (Object_test): Test target here.
9297
9298 2009-09-26  Ian Lance Taylor  <iant@google.com>
9299
9300         * testsuite/initpri1.c: Don't try to use constructor priorities if
9301         compiling with gcc before 4.3.
9302
9303 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9304
9305         * testsuite/retain_symbols_file_test.sh (check_present): Change
9306         output file name to retain_symbols_file_test.stdout.
9307         (check_absent): Likewise.
9308
9309 2009-09-18  Craig Silverstein  <csilvers@google.com>
9310
9311         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9312         * options.cc: Include <cerrno> and <fstream>.
9313         (General_options::finalize): Parse -retain-symbols-file tag.
9314         * options.h: New flag.
9315         (General_options): New method should_retain_symbol, new
9316         variable symbols_to_retain.
9317         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9318         should_retain_symbol map.
9319         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9320         * testsuite/Makefile.in: Regenerate.
9321         * testsuite/retain_symbols_file_test.sh: New file.
9322
9323 2009-09-18  Nick Clifton  <nickc@redhat.com>
9324
9325         * po/es.po: Updated Spanish translation.
9326
9327 2009-09-17  Doug Kwan  <dougkwan@google.com>
9328
9329         * debug.h (DEBUG_RELAXATION): New constant.
9330         (DEBUG_ALL): Add DEBUG_RELAXATION.
9331         (debug_string_to_enum): Add relaxation debug option.
9332         * layout.cc
9333         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9334         Layout::Relaxation_debug_check::read_sections,
9335         Layout::Relaxation_debug_check::read_sections): New method definitions.
9336         (Layout::Layout): Initialize data members
9337         record_output_section_data_from_scrips_,
9338         script_output_section_data_list_ and relaxation_debug_check_.
9339         (Layout::save_segments, Layout::restore_segments,
9340         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9341         Layout::relaxation_loop_body): New method definitions.
9342         (Layout::finalize): Support relaxation.  Move section layout code to
9343         Layout::relaxation_loop_body.
9344         (Layout::set_asection_address_from_script): Move code for orphan
9345         section placement out.
9346         (Layout::place_orphan_sections_in_script): New method definition.
9347         * layout.h (Output_segment_headers, Output_file_header):
9348         New forward class declarations.
9349         (Layout::~Layout): Define.
9350         (Layout::new_output_section_data_from_script): New method definition.
9351         (Layout::place_orphan_sections_in_script): New method declaration.
9352         (Layout::Segment_states): New type declaration.
9353         (Layout::save_segments, Layout::restore_segments,
9354         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9355         Layout::relaxation_loop_body): New method declarations.
9356         (Layout::Output_section_data_list): New type declaration.
9357         (Layout::Relaxation_debug_check): New class definition.
9358         (Layout::record_output_section_data_from_script_,
9359         Layout::script_output_section_data_list_, Layout::segment_states_,
9360         Layout::relaxation_debug_check_): New data members.
9361         * output.cc: (Output_section_headers::do_size): New method definition.
9362         (Output_section_headers::Output_section_headers): Move size
9363         computation to Output_section_headers::do_size.
9364         (Output_segment_headers::do_size): New method definition.
9365         (Output_file_header::Output_file_header): Move size computation to
9366         Output_file_header::do_size and call it.
9367         (Output_file_header::do_size): New method definition.
9368         (Output_data_group::Output_data_group): Adjust call to
9369         Output_section_data.
9370         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9371         (Output_symtab_xindex::do_write): Add array bound check.
9372         (Output_section::Input_section::print_to_mapfile): Handle
9373         RELAXED_INPUT_SECTION_CODE.
9374         (Output_section::Output_section): Initialize data member checkpoint_.
9375         (Output_section::~Output_section): Delete checkpoint object pointed
9376         by checkpoint_.
9377         (Output_section::add_input_section): Always add an Input_section if
9378         relaxing.
9379         (Output_section::add_merge_input_section): Add assert.
9380         (Output_section::relax_input_section): New method definition.
9381         (Output_section::set_final_data_size): Set load address to zero for
9382         an unallocated section.
9383         (Output_section::do_address_and_file_offset_have_reset_values):
9384         New method definition.
9385         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9386         Handle relaxed input section.
9387         (Output_section::sort_attached_input_sections): Checkpoint input
9388         section list lazily.
9389         (Output_section::get_input_sections): Change type of input_sections to
9390         list of Simple_input_section pointers.  Checkpoint input section list
9391         lazily.  Also handle relaxed input sections.
9392         (Output_section::add_input_section_for_script): Take a reference to
9393         a Simple_input_section object instead of Relobj pointer and section
9394         index as parameter.  Handle relaxed input sections.
9395         (Output_section::save_states, Output_section::restore_states): New
9396         method definitions.
9397         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9398         (Output_data::is_data_size_fixed): New method definition.
9399         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9400         if it is fixed.
9401         (Output_data::address_and_file_offset_have_reset_values): New method
9402         definition.
9403         (Output_data::do_address_and_file_offset_have_reset_values): New method
9404         definition.
9405         (Output_data::set_data_size): Check that data size is not fixed.
9406         (Output_data::fix_data_size): New method definition.
9407         (Output_data::is_data_size_fixed_): New data member.
9408         (Output_section_headers::set_final_data_size): New method definition.
9409         (Output_section_headers::do_size): New method declaration.
9410         (Output_segment_headers::set_final_data_size): New method definition.
9411         (Output_segment_headers::do_size): New method declaration.
9412         (Output_file_header::set_final_data_size)::New method definition.
9413         (Output_file_header::do_size)::New method declaration.
9414         (Output_section_data::Output_section_data): Add new parameter
9415         is_data_size_fixed and use it to fix data size.
9416         (Output_data_const::Output_data_const): Adjust call to base class
9417         constructor and fix data size.
9418         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9419         base class constructor and fix data size.
9420         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9421         base class constructor and fix data size.
9422         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9423         class constructor and fix data size.
9424         (Output_data_group::set_final_data_size): New method definition.
9425         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9426         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9427         class constructor and fix data size.
9428         (Output_relaxed_input_section): New class definition.
9429         (Output_section::Simple_input_section): New class definition.
9430         (Output_section::get_input_sections): Adjust parameter list.
9431         (Output_section::add_input_section_for_script): Same.
9432         (Output_section::save_states, Output_section::restore_states,
9433         Output_section::do_address_and_file_offset_have_reset_values,
9434         (Output_section::Input_section::Input_section): Handle
9435         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9436         Output_relaxed_input_section.
9437         (Output_section::Input_section::is_input_section,
9438         Output_section::Input_section::set_output_section): Handle relaxed
9439         input section.
9440         (Output_section::Input_section::is_relaxed_input_section,
9441         Output_section::Input_section::output_section_data,
9442         Output_section::Input_section::relaxed_input_section): New method
9443         definitions.
9444         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9445         value.
9446         (Output_section::Input_section::u1_): Update comments.
9447         (Output_section::Input_section::u2_): Add new union member poris.
9448         (Output_section::Checkpoint_output_section): New classs definition.
9449         (Output_section::relax_input_section): New method declaration.
9450         (Output_section::checkpoint_): New data member.
9451         (Output_segment): Update comments.
9452         (Output_segment::Output_segment): Un-privatize copy constructor.
9453         (Output_segment::operator=): Un-privatize.
9454         * script-sections.cc (Output_section_element::Input_section_list):
9455         Change element type to Output_section::Simple_input_section.
9456         (Output_section_element_dot_assignment::set_section_addresses):
9457         Register output section data for relaxation clean up.
9458         (Output_data_exression::Output_data_expression): Adjust call to base
9459         constructor to fix data size.
9460         (Output_section_element_data::set_section_addresses): Register
9461         Output_data_expression object for relaxation clean up.
9462         (struct Input_section_info): Replace Relobj pointer and section index
9463         pair with Output_section::Simple_input_section and Convert struct to a
9464         class.
9465         (Input_section_sorter::operator()): Adjust access to
9466         Input_section_info data member to use accessors.
9467         (Output_section_element_input::set_section_addresses): Use layout
9468         parameter.  Adjust code to use Output_section::Simple_input_section
9469         and Input_secction_info classes.  Register filler for relaxation
9470         clean up.
9471         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9472         and section index pair with Output_section::Simple_input_section
9473         class.  Adjust code accordingly.
9474         (Phdrs_element::release_segment): New method definition.
9475         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9476         segment list.
9477         (Script_sections::release_segments): New method definition.
9478         * gold/script-sections.h (Script_sections::release_segments): New
9479         method declaration.
9480         * gold/target.h (Target::may_relax, Target::relax,
9481         Target::do_may_relax, Target::do_relax): New method definitions.
9482
9483 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9484
9485         * arm.cc (has_signed_unsigned_overflow): New function.
9486         (Arm_relocate_functions::abs8): New function.
9487         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9488         (Target_arm::Scan::global): Likewise.
9489         (Target_arm::relocate::relocate): Likewise.
9490         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9491         Likewise.
9492
9493 2009-09-16  Cary Coutant  <ccoutant@google.com>
9494
9495         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9496         * testsuite/Makefile.in: Regenerate.
9497
9498 2009-09-11  Nick Clifton  <nickc@redhat.com>
9499
9500         * po/gold.pot: Updated by the Translation project.
9501
9502 2009-09-08  Cary Coutant  <ccoutant@google.com>
9503
9504         * output.cc (Output_file::open): Add execute permission to empty file.
9505         * testsuite/Makefile.am (permission_test): New test.
9506         * testsuite/Makefile.in: Regenerate.
9507
9508 2009-09-02  Ian Lance Taylor  <iant@google.com>
9509
9510         * output.cc (Output_file::resize): Call map_no_anonymous rather
9511         than map.
9512
9513 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9514
9515         * gold.cc: Include "incremental.h".
9516         (queue_initial_tasks): Call Incremental_checker methods.
9517         * incremental.cc: Include "output.h".
9518         (Incremental_checker::can_incrementally_link_output_file): New
9519         method.
9520         * incremental.h (Incremental_checker): New class.
9521
9522         * output.cc (Output_file::open_for_modification): New method.
9523         (Output_file::map_anonymous): Changed return type to bool.  Record
9524         map in base_ field.
9525         (Output_file::map_no_anonymous): New method, broken out of map.
9526         (Output_file::map): Use map_no_anonymous and map_anonymous.
9527         * output.h (class Output_file): Update declarations.
9528
9529 2009-08-24  Cary Coutant  <ccoutant@google.com>
9530
9531         * options.h (Command_line::Pre_options): New class.
9532         (Command_line::pre_options): New member.
9533         * options.cc (gold::options::ready_to_register): New variable.
9534         (One_option::register_option): Do nothing if not registering options.
9535         Assert if same short option registered twice.
9536         (General_options::General_options): Turn off option registration when
9537         done constructing.
9538         (Command_line::Pre_options::Pre_options): New constructor.
9539
9540 2009-08-24  Cary Coutant  <ccoutant@google.com>
9541
9542         * options.h (General_options::no_keep_memory): Remove incorrect
9543         short option.
9544
9545 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9546
9547         * Makefile.am (am__skiplex, am__skipyacc): New.
9548         * Makefile.in: Regenerate.
9549
9550 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9551
9552         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9553         (INCLUDES): ... this.
9554         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9555         (AM_CPPFLAGS): Renamed from ...
9556         (INCLUDE): ... this.
9557         * Makefile.in, testsuite/Makefile.in: Regenerate.
9558
9559         * Makefile.in: Regenerate.
9560         * aclocal.m4: Likewise.
9561         * config.in: Likewise.
9562         * configure: Likewise.
9563         * testsuite/Makefile.in: Likewise.
9564
9565         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9566         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9567         * Makefile.in: Regenerate.
9568         * testsuite/Makefile.in: Regenerate.
9569
9570 2009-08-19  Cary Coutant  <ccoutant@google.com>
9571
9572         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9573         symbols in shared libraries overridden by hidden or internal symbols
9574         in the main program.
9575
9576 2009-08-19  Chris Demetriou  <cgd@google.com>
9577
9578         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9579         checking source file names in error messages.
9580
9581 2009-08-18  Doug Kwan  <dougkwan@google.com>
9582
9583         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9584         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9585         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9586         an elfcpp::Ehdr as parameter.
9587         * object.cc (Object::set_target): Remove the version that looks up
9588         a target and sets it.
9589         (Sized_relobj::setup): Take a Target object instead of
9590         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9591         (make_elf_sized_object): Find target and ask target to
9592         make an ELF object.
9593         * object.h: (Object::set_target): Remove the version that looks up
9594         a target and sets it.
9595         (Sized_relobj::setup): Take a Target object instead of
9596         an elfcpp:Ehdr as parameter.
9597         * target.cc: Include dynobj.h.
9598         (Target::do_make_elf_object_implementation): New.
9599         (Target::do_make_elf_object): New.
9600         * target.h (Target::make_elf_object): New template declaration.
9601         (Target::do_make_elf_object): New method declarations.
9602         (Target::do_make_elf_object_implementation): New template declaration.
9603
9604 2009-08-14  Ian Lance Taylor  <iant@google.com>
9605
9606         * gold.h (FUNCTION_NAME): Define.
9607         (gold_unreachable): Use FUNCTION_NAME.
9608
9609 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9610
9611         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9612         symbol in the --keep-unique list is not found.
9613
9614 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9615
9616         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9617         been maked as --keep-unique.
9618         (Icf::unfold_section): New function.
9619         * icf.h (Icf::unfold_section): New function.
9620         * options.h (General_options::keep_unique): New option.
9621         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9622         * testsuite/Makefile.in: Regenerate.
9623         * testsuite/icf_keep_unique_test.sh: New file.
9624         * testsuite/icf_keep_unique_test.cc: New file.
9625
9626 2009-08-12  Cary Coutant  <ccoutant@google.com>
9627
9628         PR 10471
9629         * resolve.cc (Symbol_table::resolve): Check for references from
9630         dynamic objects to hidden and internal symbols.
9631         * testsuite/Makefile.am (hidden_test.sh): New test.
9632         * testsuite/Makefile.in: Regenerate.
9633         * testsuite/hidden_test.sh: New script.
9634         * testsuite/hidden_test_1.c: New test source.
9635         * testsuite/hidden_test_main.c: New test source.
9636
9637 2009-08-11  Doug Kwan  <dougkwan@google.com>
9638
9639         * arm.cc: Update comments.
9640         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9641         segment to locate the .ARM.exidx section if present.
9642
9643 2009-08-09  Doug Kwan  <dougkwan@google.com>
9644
9645         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9646         patch.
9647
9648 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9649         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9650         compiler warnings.
9651
9652 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9653
9654         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9655         valid tls_segment only for non-debug-section relocations.
9656         * testsuite/Makefile.am: Add gc_tls_test.
9657         * testsuite/Makefile.in: Regenerate.
9658         * testsuite/gc_tls_test.cc: New file.
9659         * testsuite/gc_tls_test.sh: New file.
9660
9661 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9662
9663         * icf.cc: New file.
9664         * icf.h: New file.
9665         * Makefile.am (CCFILES): Add icf.cc.
9666         (HFILES): Add icf.h
9667         * Makefile.in: Regenerate.
9668         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9669         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9670         section, symbol and addend information for the relocs.
9671         * gold.cc (queue_middle_tasks): Call identical code folding.
9672         * gold.h: Add defines for multimap.
9673         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9674         to the call of finalize_local_symbols.
9675         * main.cc (main): Create object of class Icf.
9676         * object.cc (Sized_relobj::do_layout): Allow this function to be
9677         called twice during icf.
9678         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9679         to sections marked as identical by icf.
9680         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9681         when available.
9682         (Sized_relobj::do_section_entsize): New function.
9683         * object.h (Object::section_entsize): New function.
9684         (Object::do_section_entsize): New pure virtual function.
9685         (Relobj::finalize_local_symbols): Add new parameter.
9686         (Relobj::do_section_entsize): New function.
9687         * options.h (General_options::icf): New option.
9688         (General_options::icf_iterations): New option.
9689         (General_options::print_icf_sections): New option.
9690         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9691         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9692         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9693         icf.
9694         * symtab.cc (Symbol_table::is_section_folded): New function.
9695         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9696         to sections marked as identical by icf.
9697         * symtab.h (Symbol_table::set_icf): New function.
9698         (Symbol_table::icf): New function.
9699         (Symbol_table::is_section_folded): New function.
9700         (Symbol_table::icf_): New data member.
9701         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9702         * testsuite/Makefile.am: Add commands to build icf_test.
9703         * testsuite/Makefile.in: Regenerate.
9704         * testsuite/icf_test.sh: New file.
9705         * testsuite/icf_test.cc: New file.
9706
9707 2009-07-24  Chris Demetriou  <cgd@google.com>
9708
9709         * layout.cc (is_compressible_debug_section): Fix incorrect
9710         comment about compressed section names.
9711
9712 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9713
9714         PR 10419
9715         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9716
9717 2009-07-16  Ian Lance Taylor  <iant@google.com>
9718
9719         PR 10400
9720         * layout.h: #include <map>.
9721         (class Kept_section): Change from struct to class.  Add accessors
9722         and setters.  Add section size to Comdat_group mapping.  Change
9723         Comdat_group to std::map.  Add is_comdat_ field.  Add
9724         linkonce_size field in union.
9725         (class Layout): Update declaration of find_or_add_kept_section.
9726         Don't declare find_kept_object.
9727         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9728         parameter.  Add object, shndx, is_comdat, and is_group_name
9729         parameters.  Change all callers.  Adjust for new Kept_section.
9730         (Layout::find_kept_object): Remove.
9731         * object.cc (Sized_relobj::include_section_group): Update use of
9732         Kept_section.  Rename secnum to shndx.  Only record
9733         Kept_comdat_section if sections are the same size.
9734         (Sized_relobj::include_linkonce_section): Update use of
9735         Kept_section.  Only record Kept_comdat_section if sections are the
9736         same size.  Set size of linkonce section.
9737         (Sized_relobj::map_to_kept_section): Update call to
9738         get_kept_comdat_section.
9739         * object.h (class Sized_relobj): Rename fields in
9740         Kept_comdat_section to drop trailing underscores; change object
9741         field to Relobj*.  Change Kept_comdat_section_table to store
9742         struct rather than pointer.
9743         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9744         Add kept_object and kept_shndx parameters.  Change all callers.
9745         (Sized_relobj::get_kept_comdat_section): Change return type to
9746         bool.  Add kept_object and kept_shndx parameters.  Change all
9747         callers.
9748         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9749         Layout::find_or_add_kept_section.
9750
9751 2009-07-09  Ian Lance Taylor  <iant@google.com>
9752
9753         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9754         Reserve space in the hash table.
9755
9756 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9757
9758         * fileread.cc (File_read::get_mtime): New method.
9759         * fileread.h (Timespec): New structure.
9760         (File_read::get_mtime): New method.
9761         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9762         Renamed from timestamp_nsec.
9763         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9764         Elf_Xword.
9765         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9766         timestamp_nsec.
9767         (Incremental_inputs::report_archive): Save mtime; style fix.
9768         (Incremental_inputs::report_obejct): Save mtime; style fix.
9769         (Incremental_inputs::report_script): Save mtime; style fix.
9770         (Incremental_inputs::finalize_inputs): Style fix.
9771         (Incremental_inputs::finalize): Style fix.
9772         (Incremental_inputs::create_input_section_data): Store inputs
9773         mtime.
9774         * incremental.h (Incremental_inputs::report_script): Add mtime
9775         argument.
9776         (Incremental_inputs::Input_info::Input_info): Intialize only one
9777         union member.
9778         (Incremental_inputs::Input_info::archive): Move to nameless
9779         union.
9780         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9781         (Incremental_inputs::Input_info::script): Move to nameless union.
9782         (Incremental_inputs::mtime): New field.
9783         * script.cc (read_input_script): Pass file mtime to
9784         Incremental_input.
9785         * script.h (Script_info::inputs): Style fix.
9786
9787 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9788
9789         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9790         instead of 32.
9791
9792 2009-06-24  Ian Lance Taylor  <iant@google.com>
9793
9794         PR 10156
9795         * layout.cc (Layout::choose_output_section): If we find an
9796         existing section, update the flags.
9797         (Layout::create_notes): New function, broken out of
9798         Layout::finalize.
9799         (Layout::finalize): Don't create note sections.
9800         (Layout::create_note): Don't crash if linker script discards
9801         section.
9802         (Layout::create_gold_note): Likewise.
9803         (Layout::create_build_id): Likewise.  Don't set
9804         after_input_sections on the section.
9805         (Layout::create_executable_stack_info): Remove target parameter.
9806         Change caller.
9807         * layout.h (class Layout): Declare create_notes.  Update
9808         declaration of create_executable_stack_info.
9809         * gold.cc (queue_middle_tasks): Call create_notes.
9810         * output.cc (Output_section::update_flags_for_input_section): Move
9811         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9812         invalid.
9813         * output.h (Output_data::mark_address_invalid): New function.
9814         (class Output_section): Only declare, not define,
9815         update_flags_for_input_section.  Remove set_flags.
9816
9817 2009-06-24  Ian Lance Taylor  <iant@google.com>
9818
9819         * script-sections.cc (Output_section_definition::
9820         set_section_addresses): Rename shadowing local load_address to
9821         laddr.
9822
9823 2009-06-24  Ian Lance Taylor  <iant@google.com>
9824
9825         PR 10244
9826         * reloc.cc (relocate_sections): Skip empty relocation sections.
9827
9828 2009-06-23  Ian Lance Taylor  <iant@google.com>
9829
9830         PR 10156
9831         * layout.cc (Layout::create_note): Use choose_output_section
9832         rather than make_output_section.
9833
9834 2009-06-23  Ian Lance Taylor  <iant@google.com>
9835
9836         PR 10237
9837         * options.cc (General_options::parse_V): Set printed_version_.
9838         (General_options::General_options): Initialize printed_version_.
9839         * options.h (class General_options): Add printed_version_ field.
9840         * gold.cc (queue_initial_tasks): If there are no input files,
9841         don't give a fatal error if we printed the version information.
9842         (queue_middle_tasks): If using -r with a shared object, give a
9843         fatal error rather than an ordinary error.
9844
9845 2009-06-23  Ian Lance Taylor  <iant@google.com>
9846
9847         PR 10219
9848         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9849         (Layout::make_output_section): Set have_stabstr_section_ if we see
9850         a .stab*str section.
9851         (Layout::finalize): Call link_stabs_sections.
9852         (Layout::link_stabs_sections): New file.
9853         * layout.h (class Layout): Add have_stabstr_section_ field.
9854         Declare link_stabs_sections.
9855
9856 2009-06-23  Doug Kwan  <dougkwan@google.com>
9857
9858         * Makefile.am (libgold_a_LIBADD): New.
9859         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9860         * Makefile.in: Regenerate.
9861         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9862         * configure: Regenerate.
9863         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9864         * fileread.cc: Include sys/state.h
9865         * gold.h: Declare memmem and strndup if found missing.
9866         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9867
9868 2009-06-23  Ian Lance Taylor  <iant@google.com>
9869
9870         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9871         * configure: Rebuild.
9872
9873 2009-06-23  Ian Lance Taylor  <iant@google.com>
9874
9875         PR 10147
9876         * object.cc (Object::section_contents): Don't try to get a view if
9877         the section has length zero.
9878         (Object::handle_gnu_warning_section): If the section is empty, use
9879         the name of the section as the warning.
9880
9881 2009-06-23  Ian Lance Taylor  <iant@google.com>
9882
9883         PR 10133
9884         * stringpool.h (class Stringpool_template): Add optimize_ field.
9885         (Stringpool_template::set_optimize): New function.
9886         * stringpool.cc (Stringpool_template::Stringpool_template):
9887         Initialize optimize_ field.
9888         (Stringpool_template::set_string_offsets): Test local optimize
9889         fild rather than parameter.
9890         * layout.cc (Layout::Layout): Call set_optimize on the section
9891         name stringpool.
9892
9893 2009-06-22  Ian Lance Taylor  <iant@google.com>
9894
9895         PR 10030
9896         * yyscript.y: Parse TARGET.
9897         * script.cc (script_set_target): New function.
9898         * script-c.h (script_set_target): Declare.
9899         * options.cc (General_options::string_to_object_format): Rename
9900         from string_to_object_format in anonymous namespace.  Change
9901         callers.
9902         * options.h (class General_options): Declare
9903         string_to_object_format.
9904
9905 2009-06-22  Ian Lance Taylor  <iant@google.com>
9906
9907         * script-sections.cc (Script_sections::create_segments): Don't put
9908         program headers in a PT_LOAD segment if -n or -N.
9909
9910 2009-06-22  Ian Lance Taylor  <iant@google.com>
9911
9912         PR 10141
9913         * options.h (class General_options): Add -z lazy and -z now.  Sort
9914         -z options into alphabetical order.
9915         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9916
9917 2009-06-21  Ian Lance Taylor  <iant@google.com>
9918
9919         * layout.cc (Layout::make_output_section): Call
9920         Target::new_output_section.
9921         (Layout::attach_allocated_section_to_segment): Put large section
9922         sections in a separate load segment with the large segment flag
9923         set.
9924         (Layout::segment_precedes): Sort large data segments after other
9925         load segments.
9926         (align_file_offset): New static function.
9927         (Layout::set_segment_offsets): Use align_file_offset.
9928         * output.h (class Output_section): Add is_small_section_ and
9929         is_large_section_ fields.
9930         (Output_section::is_small_section): New function.
9931         (Output_section::set_is_small_section):  New function.
9932         (Output_section::is_large_section): New function.
9933         (Output_section::set_is_large_section): New function.
9934         (Output_section::is_large_data_section): New function.
9935         (class Output_segment): Add is_large_data_segment_ field.
9936         (Output_segment::is_large_data_segment): New function.
9937         (Output_segment::set_is_large_data_segment): New function.
9938         * output.cc (Output_section::Output_section): Initialize new
9939         fields.
9940         (Output_segment::Output_segment): Likewise.
9941         (Output_segment::add_output_section): Add assertion that large
9942         data sections always go in large data segments.  Force small data
9943         sections to the end of the list of data sections.  Force small BSS
9944         sections to the start of the list of BSS sections.  For large BSS
9945         sections to the end of the list of BSS sections.
9946         * symtab.h (class Symbol): Declare is_common_shndx.
9947         (Symbol::is_defined): Check Symbol::is_common_shndx.
9948         (Symbol::is_common): Likewise.
9949         (class Symbol_table): Define enum Commons_section_type.  Update
9950         declarations.  Add small_commons_ and large_commons_ fields.
9951         * symtab.cc (Symbol::is_common_shndx): New function.
9952         (Symbol_table::Symbol_table): Initialize new fields.
9953         (Symbol_table::add_from_object): Put small and large common
9954         symbols in the right list.
9955         (Symbol_table::sized_finalized_symbol): Check
9956         Symbol::is_common_shndx.
9957         (Symbol_table::sized_write_globals): Likewise.
9958         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9959         common symbol lists.  Don't call do_allocate_commons_list if the
9960         list is empty.
9961         (Symbol_table::do_allocate_commons_list): Remove is_tls
9962         parameter.  Add comons_section_type parameter.  Change all
9963         callers.  Handle small and large common symbols.
9964         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9965         Symbol::is_common_shndx.
9966         * resolve.cc (symbol_to_bits): Likewise.
9967         * target.h (Target::small_common_shndx): New function.
9968         (Target::small_common_section_flags): New function.
9969         (Target::large_common_shndx): New function.
9970         (Target::large_common_section_flags): New function.
9971         (Target::new_output_section): New function.
9972         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9973         small_common_section_flags, and large_common_section_flags
9974         fields.
9975         (Target::do_new_output_section): New virtual function.
9976         * arm.cc (Target_arm::arm_info): Initialize new fields.
9977         * i386.cc (Target_i386::i386_info): Likewise.
9978         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9979         Likewise.
9980         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9981         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9982         (Target_x86_64::do_new_output_section): New function.
9983         * configure.ac: Define conditional MCMODEL_MEDIUM.
9984         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9985         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9986         (large_LDFLAGS): Define.
9987         * testsuite/large.c: New file.
9988         * testsuite/testfile.cc (Target_test::test_target_info):
9989         Initialize new fields.
9990         * configure, testsuite/Makefile.in: Rebuild.
9991
9992 2009-06-05  Doug Kwan  <dougkwan@google.com>
9993
9994         * Makefile.am (CCFILES): Add target.cc.
9995         * Makefile.in: Regenerate.
9996         * i386.cc (class Target_i386): Define new virtual method to
9997         override do_is_local_label_name in parent.
9998         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9999         local symbols if --discard-locals or -X is given.
10000         * options.h (class General_options): Declare new options
10001         '--discard-locals' and '-X' for discarding locals.
10002         * target.h (class Target): Define new methods is_local_label_name.
10003         Declare new virtual method do_is_local_label_name.
10004         * target.cc: New file.
10005         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10006         (check_SCRIPTS): Add discard_locals_test.sh.
10007         (check_DATA): Add discard_local_tests.syms.
10008         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10009         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10010         * testsuite/Makefile.in: Regenerate.
10011         * testsuite/discard_locals_test.c: New file.
10012         * testsuite/discard_locals_test.sh: Same.
10013
10014 2009-06-05  Doug Kwan  <dougkwan@google.com>
10015
10016         * object.cc (Sized_relobj::Sized_relobj): Initialize
10017         discarded_eh_frame_shndx_ to -1U.
10018         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10019         section.
10020         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10021         a discarded .eh_frame section.
10022         (Sized_relobj::do_finalize_local_symbols): Ditto.
10023         * object.h (class Sized_relobj): Declare new member
10024         discarded_eh_frame_shndx_.
10025         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10026         (local_labels_test.o, local_labels_test): New rules.
10027         * testsuite/Makefile.in: Regenerate.
10028
10029 2009-06-04  Doug Kwan  <dougkwan@google.com>
10030
10031         * layout.cc (Layout::section_name_mapping): Add mapping for
10032         special ARM sections.
10033
10034 2009-06-03  Doug Kwan  <dougkwan@google.com>
10035
10036         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10037         (utils::has_overflow): Same.
10038
10039 2009-06-03  Ian Lance Taylor  <iant@google.com>
10040
10041         * layout.cc (Layout::section_name_mapping): New array, replacing
10042         Layout::linkonce_mapping.
10043         (Layout::section_name_mapping_count): New variable, replacing
10044         Layout::linkonce_mapping_count.
10045         (Layout::linkonce_output_name): Remove.
10046         (Layout::output_section_name): Rewrite.
10047         * layout.h (class Layout): Rename Linkonce_mapping to
10048         Section_name_mapping, linkonce_mapping to section_name_mapping,
10049         linkonce_mapping_count to section_name_mapping_count.  Don't
10050         declare linkonce_output_name.
10051
10052 2009-06-03  Doug Kwan  <dougkwan@google.com>
10053
10054         * gold/arm.cc (namespace utils): New.
10055         (Target_arm::reloc_is_non_pic): Define new method.
10056         (class Arm_relocate_functions): New.
10057         (Target_arm::Relocate::relocate): Handle relocation types used by
10058         Android.
10059
10060 2009-06-03  Ian Lance Taylor  <iant@google.com>
10061
10062         * arm.cc (Target_arm::scan::global): Use || instead of |.
10063
10064 2009-06-02  Doug Kwan  <dougkwan@google.com>
10065
10066         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10067         issued_non_pic_error_.
10068         (class Target_arm::Scan): Declare new method check_non_pic.
10069         Define new method symbol_needs_plt_entry.
10070         Declare new data member issued_non_pic_error_.
10071         (class Target_arm::Relocate): Declare new method
10072         should_apply_static_reloc.
10073         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10074         (Target_arm::Scan::check_non_pic): Define new method.
10075         (Target_arm::Scan::local): Handle a small subset of reloc types used
10076         by Android.
10077         (Target_arm::Scan::local): Same.
10078         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10079
10080 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10081
10082         * incremental.cc (Incremental_inputs::report_command_line): Filter
10083         out --incremental-* options.
10084
10085 2009-05-29  Doug Kwan  <dougkwan@google.com>
10086
10087         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10088         template class.
10089         (class Target_arm): Update comment.
10090         (Target_arm::Target_arm): Initialize new data members GOT_,
10091         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10092         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10093         and Target_arm::rel_dyn_section.
10094         Declare new_enum Target_arm::Got_type.
10095         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10096         and DYNBSS_.
10097         Update commments for member do_dynsym_value.
10098         (Target_arm::got_size, Target_arm::plt_section,
10099         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10100         new methods inside class defintion.
10101         (Target_arm::got_section): Define new method.
10102         (Target_arm::rel_dyn_section): Same.
10103         (Output_data_plt_arm): New template class.
10104         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10105         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10106         (Output_data_plt_arm::add_entry): Same.
10107         (Output_data_plt_arm::first_plt_entry): Define new
10108         static data member for PLT instruction template.
10109         (Output_data_plt_arm::plt_entry): Same.
10110         (Output_data_plt_arm::do_write): Define new method.
10111         (Target_arm::make_plt_entry): Same.
10112         (Target_arm::do_finalize_sections): Same.
10113         (Target_arm::do_dynsym_value): Same.
10114
10115 2009-05-28  Doug Kwan  <dougkwan@google.com>
10116
10117         * Makefile.am (TARGETSOURCES): Add arm.cc.
10118         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10119         * Makefile.in: Regenerate.
10120         * arm.cc: New file.
10121         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10122
10123 2009-05-26  Doug Kwan  <dougkwan@google.com>
10124
10125         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10126         (General_options::check_excluded_libs): Strip off directories in
10127         archive name before matching like GNU ld does.
10128         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10129         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10130         (exclude_libs_test_LDFLAGS): Add linker option
10131         -Wl,--exclude-libs,libexclude_libs_test_3
10132         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10133         an explicit archive without using -l.
10134         (alt/libexclude_libs_test_3.a): New make rule.
10135         * testsuite/Makefile.in: Regenerate.
10136         * testsuite/exclude_libs_test.c : Declare lib3_default().
10137         (main): Call it.
10138         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10139         * exclude_libs_test_3.c: New file.
10140
10141 2009-05-26  Nick Clifton  <nickc@redhat.com>
10142
10143         * po/id.po: New Indonesian translation.
10144         * po/gold.pot: Updated template file.
10145
10146 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10147
10148         * testsuite/Makefile.am: Add -ffunction-sections to compile
10149         gc_comdat_test files.  Add -Wl,--gc-sections to build
10150         gc_comdat_test.
10151         * testsuite/Makefile.in: Regenerate.
10152         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10153
10154 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10155
10156         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10157         kept comdat section was garbage collected.
10158         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10159         * testsuite/Makefile.in: Regenerate.
10160         * testsuite/gc_comdat_test.sh: New file.
10161         * testsuite/gc_comdat_test_1.cc: New file.
10162         * testsuite/gc_comdat_test_2.cc: New file.
10163
10164 2009-05-19  Doug Kwan  <dougkwan@google.com>
10165
10166         * archive.cc (Archive::Archive): Move constructor from archive.h
10167         to here.  Initialize no_export_.
10168         (Archive::get_elf_object_for_member): Set no_export flag of object.
10169         * archive.h (Archive::Archive): Move constructor body to
10170         archive.cc.
10171         (Archive::no_export): New method.
10172         (Archive::no_export_): New field.
10173         * object.h (Object::Object): Initialize no_export_ to false.
10174         (Object::no_export, Object::set_no_export): New methods.
10175         (Object::no_export_): New field.
10176         * options.cc (General_options::parse_exclude_libs): New method.
10177         (General_options::check_excluded_libs) Same.
10178         * options.h (exclude_libs): New option.
10179         (General_options::check_excluded_libs): New method declaration.
10180         (General_options::excluded_libs_): New field.
10181         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10182         default or protected visibility if an object has no-export flag set.
10183         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10184         (check_SCRIPTS): Add exclude_libs_test.sh.
10185         (check_DATA): Add exclude_libs_test.syms.
10186         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10187         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10188         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10189         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10190         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10191         libexclude_libs_test_2.a): New rules.
10192         * testsuite/Makefile.in: Regenerate.
10193         * testsuite/exclude_libs_test.c: New file.
10194         * testsuite/exclude_libs_test.sh: Ditto.
10195         * testsuite/exclude_libs_test_1.c: Ditto.
10196         * testsuite/exclude_libs_test_2.c: Ditto.
10197
10198 2009-05-15  Ian Lance Taylor  <iant@google.com>
10199
10200         * configure.ac: Check for declarations for cases where libiberty.h
10201         checks HAVE_DECL_xxx.
10202         * configure, config.in: Rebuild.
10203
10204 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10205
10206         * gold.h (Incremental_argument_list): Remove (invalid) forward
10207         declaration.
10208         * incremental.cc (Incremental_inputs::report_achive): New method.
10209         (Incremental_inputs::report_object): New method.
10210         (Incremental_inputs::report_script): New method.
10211         (Incremental_inputs::finalize_inputs): New method.
10212         (Incremental_inputs::finalize): Call finalize_inputs().
10213         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10214         Create inputs entries.
10215         * incremental.h (Incremental_input_type): New enum.
10216         (Incremental_inputs::Incremental_input): Initialize new fields.
10217         (Incremental_inputs::report_inputs): New method.
10218         (Incremental_inputs::report_achive): New method.
10219         (Incremental_inputs::report_object): New method.
10220         (Incremental_inputs::report_script): New method.
10221         (Incremental_inputs::finalize_inputs): New method.
10222         (Incremental_inputs::Input_info): New struct.
10223         (Incremental_inputs::Input_info_map): New typedef.
10224         (Incremental_inputs::lock_): New field.
10225         (Incremental_inputs::Inputs_): New field.
10226         (Incremental_inputs::Inputs_map): New field.
10227         * main.cc (main): Call Incremental_input::report_inputs.
10228         * options.h (Input_argument_list): Typedef moved from
10229         Input_arguments.
10230         (Input_file_group::Files): Remove, use ::Input_argument_list.
10231         (Input_file_group::Input_argument_list): Remove, use
10232         ::Input_argument_list.
10233         * plugin.cc (Plugin_manager::add_input_file): Add error in
10234         incremental build.
10235         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10236         functions.
10237         * script.cc (read_input_script): Call
10238         Incremental_input::report_script.
10239         * script.h (Script_info): New class.
10240
10241 2009-04-27  Ian Lance Taylor  <iant@google.com>
10242
10243         * x86_64.cc (do_adjust_output_section): Set entsize to
10244         plt_entry_size.
10245
10246 2009-04-23  Elliott Hughes  <enh@google.com>
10247
10248         * output.cc (Output_file::close): After short writes, continue
10249         writing from the correct offset in the buffer being written.
10250
10251 2009-04-23  Chris Demetriou  <cgd@google.com>
10252
10253         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10254         * configure: Regenerate.
10255         * config.in: Regenerate.
10256         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10257         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10258
10259 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10260
10261         * incremental.cc (Incremental_inputs_header_data): Renamed from
10262         Incremental_input_header_data.
10263         (Incremental_inputs_header_data::data_size): New field.
10264         (Incremental_inputs_header_data::put_input_file_count): Renamed
10265         from input_file_count.
10266         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10267         from command_line_offset.
10268         (Incremental_inputs_header_data::put_reserved): Renamed from
10269         put_reserved.
10270         (Incremental_inputs_entry_data): Renamed from
10271         Incremental_input_entry_data.
10272         (Incremental_inputs_entry_data::data_size): New field.
10273         (Incremental_inputs::report_command_line): New method.
10274         (Incremental_inputs::finalize): New method.
10275         (Incremental_inputs::create_incremental_inputs_data): New method.
10276         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10277         * incremental.h: New file.
10278         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10279        (Layout::finalize): Create incremental inputs section in
10280         incremental builds.
10281        (Layout::create_incremental_info_sections): New method.
10282         * layout.h (Layout::incremental_inputs): New method.
10283        (Layout::create_incremental_info_sections): New method.
10284        (Layout::incremental_inputs_): New field.
10285         * main.cc (main): Notify Incremental_input of the command line.
10286
10287 2009-04-01  Ian Lance Taylor  <iant@google.com>
10288             Mikolaj Zalewski  <mikolajz@google.com>
10289
10290         * gold.h (reserve_unordered_map): Define, three versions, one for
10291         each version of Unordered_map.
10292         * layout.cc (Layout::Layout): Remove options parameter.  Add
10293         number_of_input_files parameter.  Don't initialize options_.
10294         Initialize number_of_input_files_ and resized_signatures_.  Move
10295         sections_are_attached_.
10296         (Layout::layout_group): Reserve space for group_signatures_.
10297         (Layout::find_or_add_kept_section): Change name parameter to be a
10298         reference.  Resize signatures_ map when it gets large enough.
10299         (Layout::layout_eh_frame): Use parameters->options() instead of
10300         this->options_.
10301         (Layout::make_output_section): Likewise.
10302         (Layout::attach_allocated_section_to_segment): Likewise.
10303         (Layout::finalize, Layout::create_executable_stack): Likewise.
10304         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10305         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10306         * layout.h (class Layout): Update declarations.  Remove options_
10307         field.  Add number_of_input_files_ and resized_signatures_
10308         fields.  Move sections_are_attached_ field.
10309         * main.cc (main): Pass number of input files to Layout
10310         constructor.  Don't pass options.
10311
10312 2009-03-30  Ian Lance Taylor  <iant@google.com>
10313
10314         * ffsll.c (ffsll): Correct implementation.
10315
10316 2009-03-27  Ian Lance Taylor  <iant@google.com>
10317
10318         * ffsll.c: New file.
10319         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10320         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10321         * ftruncate.c (ftruncate): Declare before definition.
10322         * mremap.c (mremap): Likewise.
10323         * pread.c (pread): Likewise.
10324         * configure, Makefile.in, config.in: Rebuild.
10325
10326         * mremap.c: New file.
10327         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10328         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10329         (mremap): Declare if HAVE_MREMAP is not defined.
10330         * configure, Makefile.in, config.in: Rebuild.
10331
10332 2009-03-27  Cary Coutant  <ccoutant@google.com>
10333
10334         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10335         position independent.
10336         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10337         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10338
10339 2009-03-24  Cary Coutant  <ccoutant@google.com>
10340
10341         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10342         an executable.
10343         (needs_dynamic_reloc): Likewise.
10344
10345 2009-03-24  Ian Lance Taylor  <iant@google.com>
10346
10347         * yyscript.y (file_cmd): Recognize EXTERN.
10348         (extern_name_list, extern_name_list_body): New nonterminals.
10349         * script.cc (script_add_extern): Define.
10350         * script-c.h (script_add_extern): Declare.
10351
10352 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10353
10354         * object.cc (is_elf_object): Define.
10355         * object.h (is_elf_object): Declare.
10356         * archive.cc (Archive::get_elf_object_for_member): Call
10357         is_elf_object.
10358         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10359
10360 2009-03-24  Elliott Hughes  <enh@google.com>
10361
10362         * output.cc (Output_file::map_anonymous): Define.
10363         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10364         try an anonymous one.  Report the size if the mmap fails.
10365         * output.h (class Output_file): Declare map_anonymous.
10366
10367 2009-03-24  Ian Lance Taylor  <iant@google.com>
10368
10369         * target-select.cc (instantiate_target): Don't acquire the lock if
10370         the instantiated_target_ field has already been set.
10371
10372 2009-03-23  Ian Lance Taylor  <iant@google.com>
10373
10374         * gold-threads.h (class Initialize_lock): Define.
10375         * gold-threads.cc (class Initialize_lock_once): Define.
10376         (initialize_lock_control): New static variable.
10377         (initialize_lock_pointer): New static variable.
10378         (initialize_lock_once): New static function.
10379         (Initialize_lock::Initialize_lock): Define.
10380         (Initialize_lock::initialize): Define.
10381         * target-select.h: Include "gold-threads.h".
10382         (class Target_selector): Add lock_ and initialize_lock_ fields.
10383         Don't define instantiate_target, just declare it.
10384         * target-select.cc (Target_selector::Target_selector): Initialize
10385         new fields.
10386         (Target_selector::instantiate_target): Define.
10387         * descriptors.h: Include "gold-threads.h".
10388         (class Descriptors): Add initialize_lock_ field.
10389         * descriptors.cc (Descriptors::Descriptors): Initialize new
10390         field.
10391         (Descriptors::open): Use initialize_lock_ field
10392         * errors.h (class Errors): Add initialize_lock_ field.
10393         * errors.cc (Errors::Errors): Initialize new field.
10394         (Errors::initialize_lock): Use initialize_lock_ field.
10395         * powerpc.cc (class Target_selector_powerpc): Remove
10396         instantiated_target_ field.  In do_recognize call
10397         instantiate_target rather than do_instantiate_target.  In
10398         do_instantiate_target just allocate a new target.
10399         * sparc.cc (class Target_selector_sparc): Likewise.
10400
10401         * freebsd.h: New file.
10402         * i386.cc: Include "freebsd.h".
10403         (Target_i386): Derive from Target_freebsd rather than
10404         Sized_target.
10405         (Target_selector_i386): Derive from Target_selector_freebsd rather
10406         than Target_selector.
10407         * x86_64.cc: Include "freebsd.h".
10408         (Target_x86_64): Derive from Target_freebsd rather than
10409         Sized_target.
10410         (Target_selector_x86_64): Derive from Target_selector_freebsd
10411         rather than Target_selector.
10412         * target.h (class Target): Add adjust_elf_header and
10413         do_adjust_elf_header.
10414         * output.cc (Output_file_header:: do_sized_write): Call target
10415         adjust_elf_header routine.
10416         * configure.tgt: Set targ_osabi.
10417         * configure.ac: Define GOLD_DEFAULT_OSABI.
10418         * parameters.cc (Parameters::default_target): Pass
10419         GOLD_DEFAULT_OSABI to select_target.
10420         * target-select.h (class Target_selector): Make instantiate_target
10421         protected rather than private.
10422         * Makefile.am (HFILES): Add freebsd.h.
10423         * configure, Makefile.in, config.in: Rebuild.
10424
10425         * merge.cc (do_add_input_section): Correct pend value.  Change
10426         message about last entry not being null terminated from error to
10427         warning.
10428
10429 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10430
10431         * incremental.cc: New file.
10432         * Makefile.am (CCFILES): Add incremental.cc.
10433         * Makefile.in: Rebuild.
10434
10435 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10436
10437         * layout.cc (Layout::output_section_name): Preserve names
10438         of '.note.' sections.
10439
10440 2009-03-19  Ian Lance Taylor  <iant@google.com>
10441
10442         * descriptors.cc (Descriptors::open): Check that the options are
10443         valid before using them.
10444
10445 2009-03-18  Ian Lance Taylor  <iant@google.com>
10446
10447         * script-sections.h: Include <list>.
10448         (class Script_sections): Change Sections_elements from std::vector
10449         to std::list.  Typedef public Elements_iterator.  Add
10450         orphan_section_placement_, data_segment_align_start_, and
10451         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10452         field.
10453         * script-sections.cc (class Orphan_section_placement): New class.
10454         (class Sections_element): Add virtual functions is_relro and
10455         orphan_section_init.  Remove virtual function place_orphan_here.
10456         (class Output_section_definition): Add is_relro and
10457         orphan_section_init.  Remove place_orphan_here.
10458         (class Orphan_output_section): Likewise.
10459         (Script_sections::Script_sections): Update for field changes.
10460         (Script_sections::data_segment_align): Set saw_data_segment_align_
10461         and data_segment_align_start_, not data_segment_align_index.
10462         (Script_sections::data_segment_relro_end): Check
10463         saw_data_segment_align_.  Use data_segment_align_start_ rather
10464         than data_segment_align_index_.
10465         (Script_sections::place_orphan): Rewrite to use
10466         Orphan_section_placement.
10467
10468 2009-03-17  Ian Lance Taylor  <iant@google.com>
10469
10470         * archive.cc (Archive::add_symbols): Check for a version attached
10471         to the symbol name in the archive map.
10472         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10473         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10474         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10475         (ver_test_11.a): New target.
10476         * testsuite/Makefile.in: Rebuild.
10477
10478         * configure.ac: Check for chsize and posix_fallocate.  Replace
10479         ftruncate.
10480         * ftruncate.c: New file, from gnulib.
10481         * output.cc (posix_fallocate): Define dummy version if not
10482         HAVE_POSIX_FALLOCATE.
10483         (Output_file::map): Call posix_fallocate rather than lseek and
10484         write.
10485         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10486         * configure, Makefile.in, config.in: Rebuild.
10487
10488 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10489
10490         * layout.h (Layout::create_note): Add section_name parameter.
10491         * layout.cc (Layout::create_note): Likewise.
10492         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10493
10494 2009-03-17  Ian Lance Taylor  <iant@google.com>
10495
10496         * descriptors.cc: Include "options.h".
10497         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10498         (Descriptors::open): Always use O_CLOEXEC when opening a new
10499         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10500         then set FD_CLOEXEC.
10501
10502         * sparc.cc (class Target_sparc): Add has_got_section.
10503         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10504         make sure we have a GOT section.
10505
10506         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10507         (Target_sparc::Scan::local): Likewise.
10508         (Target_sparc::Scan::global): Likewise.
10509         (Target_sparc::Relocate::relocate): Likewise.
10510         (Target_sparc::Relocate::relocate_tls): Likewise.
10511
10512         * symtab.cc (Symbol_table::define_default_version): New function,
10513         broken out of add_from_object.
10514         (Symbol_table::add_from_object): Call define_default_version.
10515         (Symbol_table::define_special_symbol): Add resolve_oldsym
10516         parameter.  Change all callers.  If the version for a symbol comes
10517         from a version script, resolve it with the symbol with the same
10518         name with no version.  Also add the symbol without a version if
10519         appropriate.
10520         (do_define_in_output_data): If resolving with oldsym, don't delete
10521         sym.
10522         (do_define_in_output_segment): Likewise.
10523         (do_define_as_constant): Likewise.
10524         * symtab.h (class Symbol_table): Update declarations.
10525
10526 2009-03-13  Ian Lance Taylor  <iant@google.com>
10527
10528         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10529         (Read_symbols::requeue): New function.
10530         (Read_symbols::do_read_symbols): If make_elf_object fails because
10531         the target type is not configured, and the file was searched for,
10532         issue a warning and retry with the next directory.
10533         (Add_symbols::run): If the file has an incompatible format, and
10534         it was searched for, requeue the Read_symbols task.  On error,
10535         release the object.
10536         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10537         dirindex parameter to constructor.  Change all callers.  Declare
10538         incompatible_warning and requeue.
10539         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10540         input_argument_ and input_group_ fields.  Add them to
10541         constructor.  Change all callers.
10542         (class Read_script): Add dirindex_ field.  Add it to constructor.
10543         Change all callers.
10544         * archive.cc (Archive::setup): Remove input_objects parameter.
10545         Change all callers.
10546         (Archive::get_file_and_offset): Likewise.
10547         (Archive::read_all_symbols): Likewise.
10548         (Archive::read_symbols): Likewise.
10549         (Archive::get_elf_object_for_member): Remove input_objects
10550         parameter.  Add punconfigured parameter.  Change all callers.
10551         (Archive::add_symbols): Change return type to bool.  Check return
10552         value of include_member.
10553         (Archive::include_all_members): Likewise.
10554         (Archive::include_member): Change return type to bool.  Return
10555         false if first included object has incompatible target.  Set
10556         included_member_ field.
10557         (Add_archive_symbols::run): If add_symbols returns false, requeue
10558         Read_symbols task.
10559         * archive.h (class Archive): Add included_member_ field.
10560         Initialize it in constructor.  Add input_file and searched_for
10561         methods.  Update declarations.
10562         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10563         input_argument_ fields.  Add them to constructor.  Change all
10564         callers.
10565         * script.cc: Include "target-select.h".
10566         (class Parser_closure): Add skip_on_incompatible_target_ and
10567         found_incompatible_target_ fields.  Add
10568         skip_on_incompatible_target parameter to constructor.  Change all
10569         callers.  Add methods skip_on_incompatible_target,
10570         clear_skip_on_incompatible_target, found_incompatible_target, and
10571         set_found_incompatible_target.
10572         (read_input_script): Add dirindex parameter.  Change all callers.
10573         If parser finds an incompatible target, requeue Read_symbols
10574         task.
10575         (script_set_symbol): Clear skip_on_incompatible_target in
10576         closure.
10577         (script_add_assertion, script_parse_option): Likewise.
10578         (script_start_sections, script_add_phdr): Likewise.
10579         (script_check_output_format): New function.
10580         * script.h (read_input_script): Update declaration.
10581         * script-c.h (script_check_output_format): Declare.
10582         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10583         (ignore_cmd): Remove OUTPUT_FORMAT.
10584         * fileread.cc (Input_file::Input_file): Add explicit this.
10585         (Input_file::will_search_for): New function.
10586         (Input_file::open): Add pindex parameter.  Change all callers.
10587         * fileread.h (class Input_file): Add input_file_argument method.
10588         Declare will_search_for.  Update declarations.
10589         * object.cc (make_elf_object): Add punconfigured parameter.
10590         Change all callers.
10591         * object.h (class Object): Make input_file public.  Add
10592         searched_for method.
10593         (make_elf_object): Update declaration.
10594         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10595         restart search.
10596         * dirsearch.h (class Dirsearch): Update declaration.
10597         * options.h (class General_options): Add --warn-search-mismatch.
10598         * parameters.cc (Parameters::is_compatible_target): New function.
10599         * parameters.h (class Parameters): Declare is_compatible_target.
10600         * workqueue.cc (Workqueue::add_blocker): New function.
10601         * workqueue.h (class Workqueue): Declare add_blocker.
10602
10603         * fileread.cc (Input_file::open): Remove options parameter.
10604         Change all callers.
10605         (Input_file::open_binary): Likewise.
10606         * script.cc (read_input_script): Likewise.
10607         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10608         options parameter from constructor.  Change all callers.
10609         (class Read_script): Likewise.
10610         * fileread.h (class Input_file): Update declarations.
10611         * script.h (read_input_script): Update declaration.
10612
10613 2009-03-10  Nick Clifton  <nickc@redhat.com>
10614
10615         * po/es.po: New Spanish translation.
10616
10617 2009-03-06  Cary Coutant  <ccoutant@google.com>
10618
10619         * options.cc (parse_short_option): Keep dash_z from registering itself.
10620
10621 2009-03-03  Ian Lance Taylor  <iant@google.com>
10622
10623         PR 9918
10624         * target-reloc.h (relocate_section): Pass output_section to
10625         relocate.
10626         * i386.cc (Target_i386::should_apply_static_reloc): Add
10627         output_section parameter.  Change all callers.
10628         (Target_i386::Relocate::relocate): Add output_section parameter.
10629         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10630         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10631         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10632         * testsuite/two_file_shared.sh: New script.
10633         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10634         (check_DATA): Add two_file_shared.dbg.
10635         (two_file_shared.dbg): New target.
10636         * testsuite/Makefile.in: Rebuild.
10637
10638 2009-03-01  Ian Lance Taylor  <iant@google.com>
10639
10640         * configure.ac: Check for byteswap.h.
10641         * configure: Rebuild.
10642         * config.in: Rebuild.
10643
10644 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10645
10646         * layout.cc (Layout::find_or_add_kept_section): New function.
10647         (Layout::add_comdat): Removed.
10648         * layout.h (struct Kept_section): Move out of class Layout.
10649         Remove trailing underscores from field names.  Add group_sections
10650         field.  Rename group_ field to is_group.  Change all uses.
10651         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10652         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10653         comdat_groups_ field.
10654         (Sized_relobj::include_section_group): Use
10655         find_or_add_kept_section and Kept_section::group_sections.
10656         (Sized_relobj::include_linkonce_section): Likewise.
10657         * object.cc (class Sized_relobj): Don't define Comdat_group or
10658         Comdat_group_table.  Remove find_comdat_group and
10659         add_comdat_group.  Remove comdat_groups_ field.
10660         * plugin.cc (include_comdat_group): Use
10661         Layout::find_or_add_kept_section.
10662
10663 2009-02-28  Ian Lance Taylor  <iant@google.com>
10664
10665         * README: --gc-sections and map files are now supported.  Document
10666         some build requirements.
10667
10668         PR 6992
10669         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10670         relocatable link set the value of the section symbol to zero.
10671         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10672         relocatable link don't include the section address in the local
10673         symbol value.
10674
10675 2009-02-27  Ian Lance Taylor  <iant@google.com>
10676
10677         PR 6811
10678         * options.h (class Search_directory): Add is_system_directory.
10679         (class General_options): Declare is_in_system_directory.
10680         * options.cc (get_relative_sysroot): Make static.
10681         (get_default_sysroot): Make static.
10682         (General_optoins::is_in_system_directory): New function.
10683         * fileread.cc (Input_file::is_in_system_directory): New function.
10684         * fileread.h (class Input_file): Declare is_in_system_directory.
10685         * object.h (class Object): Add is_in_system_directory.
10686         (class Input_objects): Remove system_library_directory_ field.
10687         * object.cc (Input_objects::add_object): Don't set
10688         system_library_directory_.
10689         (input_objects::found_in_system_library_directory): Remove.
10690         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10691         parameter.  Change all callers.
10692         (Symbol_table::sized_write_globals): Likewise.
10693         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10694         Call Object::is_in_system_directory.
10695         * symtab.h (class Symbol_table): Update declarations.
10696
10697         PR 5990
10698         * descriptors.h (Open_descriptor): Add is_on_stack field.
10699         * descriptors.cc (Descriptors::open): If the descriptor is on the
10700         top of the stack, remove it.  Initialize is_on_stack field.
10701         (Descriptors::release): Only add pod to stack if it is not on the
10702         stack already.
10703         (Descriptors::close_some_descriptor): Clear stack_next and
10704         is_on_stack fields.
10705
10706         PR 7091
10707         * output.cc (Output_section::find_starting_output_address): Rename
10708         from starting_output_address; add PADDR parameter; change return
10709         type.
10710         * output.h (class Output_section): Declare
10711         find_starting_output_address instead of starting_output_address.
10712         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10713         section symbol for which we can't find a merge section.
10714
10715         PR 9836
10716         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10717         hidden or internal, force the symbol to be local.
10718         * resolve.cc (Symbol::override_visibility): Define.
10719         (Symbol::override_base): Use override_visibility.
10720         (Symbol_table::resolve): Likewise.
10721         (Symbol::override_base_with_special): Likewise.
10722         (Symbol_table::override_with_special): If the visibility is hidden
10723         or internal, force the symbol to be local.
10724         * symtab.h (class Symbol): Add set_visibility and
10725         override_visibility.
10726         * testsuite/ver_test_1.sh: New file.
10727         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10728         (check_DATA): Add ver_test_1.syms.
10729         (ver_test_1.syms): New target.
10730         * testsuite/Makefile.in: Rebuild.
10731
10732 2009-02-25  Cary Coutant  <ccoutant@google.com>
10733
10734         * layout.cc (Layout::choose_output_section): Don't rename sections
10735         when using a linker script that has a SECTIONS clause.
10736         * Makefile.in: Regenerate.
10737
10738         * testsuite/Makefile.am (script_test_5.sh): New test case.
10739         * testsuite/Makefile.in: Regenerate.
10740         * testsuite/script_test_5.cc: New file.
10741         * testsuite/script_test_5.sh: New file.
10742         * testsuite/script_test_5.t: New file.
10743
10744 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10745
10746         * archive.cc (Archive::include_member): Update calls to add_symbols.
10747         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10748         the Layout argument.
10749         * dynobj.h (do_add_symbols): Add the Layout argument.
10750         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10751         Layout argument.
10752         * object.h (Object::add_symbols): Add the Layout argument.
10753         (Object::do_add_symbols): Add the Layout argument.
10754         (Sized_relobj::do_add_symbols): Add the Layout argument.
10755         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10756         Unify the two versions.
10757         (Add_plugin_symbols): Remove.
10758         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10759         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10760         (Add_plugin_symbols): Remove.
10761         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10762         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10763         (Add_symbols::run): Make it work with Pulginobj.
10764
10765 2009-02-06  Ian Lance Taylor  <iant@google.com>
10766
10767         * object.cc (Sized_relobj::do_layout): Make info message start
10768         with lower case letter.
10769
10770 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10771
10772         * binary.cc: Fix file comment.
10773
10774         * options.h (enum Incremental_disposition): Define.
10775         (class General_options): Add new options: --incremental,
10776         --incremental_changed, --incremental_unchanged,
10777         --incremental_unknown.  Add incremental_disposition_ and
10778         implicit_incremental_ fields.
10779         (General_options::incremental_disposition): New function.
10780         (class Position_dependent_options): Add incremental_disposition
10781         option.
10782         (Position_dependent_options::copy_from_options): Set incremental
10783         dispositions.
10784         * options.cc (General_options::parse_incremental_changed): New
10785         function.
10786         (General_options::parse_incremental_unchanged): New function.
10787         (General_options::parse_incremental_unknown): New function.
10788         (General_options::General_options): Initialize new fields
10789         incremental_disposition_ and implicit_incremental_.
10790         (General_options::finalize): Check for uasge of --incremental-*
10791         without --incremental.
10792
10793 2009-02-06  Chris Demetriou  <cgd@google.com>
10794
10795         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10796         pointer and to report location as the file name associated with
10797         the symbol.
10798         (gold_undefined_symbol_at_location): New function to replace the
10799         old gold_undefined_symbol functionality.
10800         * target-reloc.h (relocate_section): Update to use
10801         gold_undefined_symbol_at_location.
10802         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10803         Call gold_undefined_symbol function rather than gold_error.
10804         * errors.h (Errors::undefined_symbol): Take location as a
10805         string, rather than calculating it from a relocation.
10806         * errors.cc (Errors::fatal): Print "fatal error:" before the
10807         formatted message.
10808         (Errors::error, Errors::error_at_location): Print "error: "
10809         before the formatted message.
10810         (Errors::undefined_symbol): Take location as a string, rather
10811         than calculating it from a relocation.
10812         (gold_undefined_symbol_at_location): New function akin to
10813         old gold_undefined_symbol, calculates location from relocation.
10814         (gold_undefined_symbol): Change to take only a Symbol pointer
10815         and to report location as the file name associated with the symbol.
10816         * testsuite/debug_msg.sh: Update for changed error messages.
10817         * testsuite/undef_symbol.sh: Likewise.
10818
10819 2009-02-04  Duncan Sands  <baldrick@free.fr>
10820
10821         PR 9812
10822         * reduced_debug_output.h
10823         (Output_reduced_debug_abbrev_section::failed): Use format for
10824         gold_warning.
10825         (Output_reduced_debug_info_section::faild): Likewise.
10826
10827 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10828
10829         * script.cc (Lazy_demangler): New class.
10830         (Version_script_info::get_symbol_version_helper): Demangle a
10831         symbol only once.
10832
10833 2009-01-29  Cary Coutant  <ccoutant@google.com>
10834
10835         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10836         to __tls_get_addr.
10837         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10838
10839 2009-01-28  Ian Lance Taylor  <iant@google.com>
10840
10841         * version.cc (version_string): Bump to 1.9.
10842
10843         * gold.h: Include <cstring> and <stdint.h>.
10844         * version.cc: Include <cstdio>.
10845         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10846         warning.
10847         * reduced_debug_output.cc (insert_into_vector): Rename from
10848         Insert_into_vector; change all callers.  Use Swap_unaligned to
10849         avoid aliasing issue; remove union since it is unnecessary.
10850
10851 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10852
10853         * Makefile.am (CCFILES): Add gc.cc.
10854         (HFILES): Add gc.h.
10855         * Makefile.in: Regenerate.
10856         * gold.cc (Gc_runner): New class.
10857         (queue_initial_tasks): Call garbage collection related tasks
10858         when corresponding options are invoked.
10859         (queue_middle_gc_tasks): New function.
10860         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10861         processed early before laying out sections during garbage collection.
10862         * gold.h (queue_middle_gc_tasks): New function.
10863         (is_prefix_of): Move from "layout.cc".
10864         * i386.cc (Target_i386::gc_process_relocs): New function.
10865         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10866         * main.cc (main): Create object of class "Garbage_collection".
10867         * object.cc (Relobj::copy_symbols_data): New function.
10868         (Relobj::is_section_name_included): New function.
10869         (Sized_relobj::do_layout): Allow this function to be called twice
10870         during garbage collection and defer layout of section during the
10871         first call.
10872         * object.h (Relobj::get_symbols_data): New function.
10873         (Relobj::is_section_name_included): New function.
10874         (Relobj::copy_symbols_data): New function.
10875         (Relobj::set_symbols_data): New function.
10876         (Relobj::get_relocs_data): New function.
10877         (Relobj::set_relocs_data): New function.
10878         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10879         (Relobj::gc_process_relocs): New function.
10880         (Relobj::do_gc_process_relocs): New pure virtual function.
10881         (Relobj::sd_): New data member.
10882         (Sized_relobj::is_output_section_offset_invalid): New function.
10883         (Sized_relobj::do_gc_process_relocs): New function.
10884         * options.h (General_options::gc_sections): Modify to not be a no-op.
10885         (General_options::print_gc_sections): New option.
10886         * plugin.cc (Plugin_finish::run): Remove function call to
10887         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10888         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10889         * reloc.cc (Read_relocs::run): Add task to process relocs and
10890         determine unreferenced sections when doing garbage collection.
10891         (Gc_process_relocs): New class.
10892         (Sized_relobj::do_gc_process_relocs): New function.
10893         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10894         sections that are garbage collected.
10895         * reloc.h (Gc_process_relocs): New class.
10896         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10897         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10898         symbols whose corresponding sections are garbage collected.
10899         (Symbol_table::Symbol_table): Add new parameter for the garbage
10900         collection object.
10901         (Symbol_table::gc_mark_undef_symbols): New function.
10902         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10903         (Symbol_table::gc_mark_dyn_syms): New function.
10904         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10905         as garbage.
10906         (Symbol_table::add_from_object): Likewise.
10907         (Symbol_table::add_from_relobj): When building shared objects, do not
10908         treat externally visible symbols as garbage.
10909         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10910         table information for static and relocatable links.
10911         * symtab.h (Symbol_table::set_gc): New function.
10912         (Symbol_table::gc): New function.
10913         (Symbol_table::gc_mark_undef_symbols): New function.
10914         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10915         (Symbol_table::gc_mark_dyn_syms): New function.
10916         (Symbol_table::gc_): New data member.
10917         * target.h (Sized_target::gc_process_relocs): New pure virtual
10918         function.
10919         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10920         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10921
10922 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10923
10924         * options.h (General_options::gc_sections): Define as a no-op for now.
10925         (General_options::no_keep_memory): Ditto.
10926         (General_options::Bshareable): Define.
10927         * options.cc (General_options::finalize): Honor -Bshareable.
10928
10929 2009-01-20  Andreas Schwab  <schwab@suse.de>
10930
10931         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10932         read the value in the contents, since we don't use it.  Use the
10933         template endianness when writing.
10934         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10935
10936 2009-01-19  Andreas Schwab  <schwab@suse.de>
10937
10938         * configure.tgt (powerpc64-*): Fix targ_obj.
10939
10940 2009-01-15  Ian Lance Taylor  <iant@google.com>
10941
10942         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10943         local symbols when stripping all symbols.
10944
10945 2009-01-14  Cary Coutant  <ccoutant@google.com>
10946
10947         * output.cc (Output_reloc): Add explicit instantiations.
10948
10949 2009-01-14  Cary Coutant  <ccoutant@google.com>
10950
10951         * archive.cc (Archive::get_elf_object_for_member): Remove call
10952         to File_read::claim_for_plugin.
10953         * descriptors.cc (Descriptors::open): Remove reference to
10954         is_claimed.
10955         (Descriptors::claim_for_plugin): Remove.
10956         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10957         (Descriptors::is_claimed): Remove.
10958         (claim_descriptor_for_plugin): Remove.
10959         * fileread.cc (File_read::claim_for_plugin): Remove.
10960         * fileread.h (File_read::claim_for_plugin): Remove.
10961         (File_read::descriptor): Reopen descriptor if necessary.
10962         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10963         (Plugin_manager::all_symbols_read): Add task parameter. Change
10964         all callers.
10965         (Plugin_manager::get_input_file): New function.
10966         (Plugin_manager::release_input_file): New function.
10967         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10968         corresponding data member.
10969         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10970         and pass to base constructor. Change all callers.
10971         (get_input_file, release_input_file): New functions.
10972         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10973         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10974         (Plugin_manager::all_symbols_read): Add task parameter.
10975         (Plugin_manager::get_input_file): New function.
10976         (Plugin_manager::release_input_file): New function.
10977         (Plugin_manager::task_): New data member.
10978         (Pluginobj::Pluginobj): Add filesize parameter.
10979         (Pluginobj::filename): New function.
10980         (Pluginobj::descriptor): New function.
10981         (Pluginobj::filesize): New function.
10982         (Pluginobj::filesize_): New data member.
10983         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10984         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10985         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10986
10987         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10988         with archive libraries.
10989         * testsuite/Makefile.in: Regenerate.
10990         * testsuite/plugin_test.c (struct sym_info): New type.
10991         (get_input_file, release_input_file): New static variables.
10992         (onload): Capture new transfer vector entries.
10993         (claim_file_hook): Stop reading at end of file according to filesize.
10994         Factor out parsing of readelf output into separate function.
10995         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10996         APIs and get the source file name from the symbol table.  Convert
10997         source file name to corresponding object file name.  Print info
10998         message when adding new input files.
10999         (parse_readelf_line): New function.
11000         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11001         * testsuite/plugin_test_2.sh: Likewise.
11002         * testsuite/plugin_test_3.sh: Likewise.
11003         * testsuite/plugin_test_4.sh: New test case.
11004
11005 2009-01-07  Ian Lance Taylor  <iant@google.com>
11006
11007         * version.cc (version_string): Bump to 1.8.
11008
11009 2008-12-23  Cary Coutant  <ccoutant@google.com>
11010
11011         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11012         * plugin.cc (Plugin_manager::finish): Rename as
11013         layout_deferred_objects.  Move cleanup to separate function.
11014         (Plugin_manager::cleanup): New function.
11015         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11016         separately.
11017         * plugin.h (Plugin_manager::finish): Rename as
11018         layout_deferred_objects.
11019         (Plugin_manager::cleanup): New function.
11020         (Plugin_manager::cleanup_done): New field.
11021
11022 2008-12-23  Cary Coutant  <ccoutant@google.com>
11023
11024         * plugin.cc (is_visible_from_outside): New function.
11025         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11026         so we don't return "IR only" status for exported symbols or -r links.
11027
11028         * testsuite/Makefile.am (plugin_test_3): New test case.
11029         * testsuite/Makefile.in: Regenerate.
11030         * testsuite/plugin_test_3.sh: New file.
11031
11032 2008-12-22  Cary Coutant  <ccoutant@google.com>
11033
11034         * object.cc (Sized_relobj::layout_section): New function.
11035         (Sized_relobj::do_layout): Defer layout of input sections until after
11036         plugin has provided replacement files.
11037         (Sized_relobj::do_layout_deferred_sections): New function.
11038         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11039         (Relobj::layout_deferred_sections): New function.
11040         (Relobj::do_layout_deferred_sections): New function.
11041         (Sized_relobj::do_layout_deferred_sections): New function.
11042         (Sized_relobj::layout_section): New function.
11043         (Sized_relobj::Deferred_layout): New structure.
11044         (Sized_relobj::deferred_layout_): New field.
11045         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11046         Change all callers.  Layout deferred sections.
11047         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11048         references.
11049         (Plugin_hook::run): Move code from do_plugin_hook inline.
11050         (Plugin_hook::do_plugin_hook): Remove.
11051         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11052         (Plugin_manager::finish): Renamed, was cleanup.
11053         (Plugin_manager::should_defer_layout): New function.
11054         (Plugin_manager::add_deferred_layout_object): New function.
11055         (Plugin_manager::Deferred_layout_list): New type.
11056         (Plugin_manager::deferred_layout_objects_): New field.
11057         (Plugin_hook::do_plugin_hook): Remove.
11058
11059 2008-12-17  Ian Lance Taylor  <iant@google.com>
11060
11061         * options.h (class General_options): Add --no case for
11062         --export-dynamic.
11063
11064 2008-12-16  Cary Coutant  <ccoutant@google.com>
11065
11066         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11067         vector.
11068         (Plugin_manager::claim_file): Create plugin object even if
11069         plugin did not call the add_symbols callback.
11070         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11071         asking for more symbols than were added.
11072         * testsuite/Makefile.am (plugin_test_1): Add test case with
11073         no global symbols.
11074         (empty.syms): New target.
11075         * testsuite/Makefile.in: Regenerate.
11076         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11077         message. Don't call add_symbols if no globals.
11078         (all_symbols_read_hook): Don't provide replacement for empty
11079         claimed file.
11080
11081 2008-12-12  Ian Lance Taylor  <iant@google.com>
11082
11083         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11084         r_type == 0 for a local symbol with r_sym == 0.
11085         (scan_relocatable_relocs): Pass r_sym to
11086         local_non_section_strategy.
11087         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11088         r_sym parameter.
11089
11090         * configure.ac: Update test for TLS descriptors: they are
11091         supported as of glibc 2.9.
11092         * configure: Rebuild.
11093
11094 2008-12-11  Ian Lance Taylor  <iant@google.com>
11095
11096         PR 7091
11097         * target-reloc.h (Default_scan_relocatable_relocs): For each
11098         function, map r_type == 0 to RELOC_DISCARD.
11099
11100 2008-12-10  Cary Coutant  <ccoutant@google.com>
11101
11102         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11103         object to override a kept COMDAT group from a plugin object.
11104
11105 2008-12-09  Ian Lance Taylor  <iant@google.com>
11106
11107         PR 7088
11108         * yyscript.y (file_cmd): Handle INPUT.
11109
11110         * testsuite/initpri1.c: Change all declarations to be full
11111         prototypes by adding void, to avoid compiler warnings.
11112
11113 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11114
11115         * options.cc (General_options::parse_plugin_opt): New.
11116         (General_options::add_plugin): The argument now is just the filename.
11117         (General_options::add_plugin_option): New.
11118         * options.h (plugin_opt): New.
11119         (add_plugin): Change argument name.
11120         (add_plugin_option): New.
11121         * plugin.cc (Plugin::load): Don't parse the plugin option.
11122         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11123         (Plugin::add_option): New.
11124         (Plugin::args_): Change type.
11125         (Plugin::filename_): New.
11126         (Plugin_manager::add_plugin_option): New.
11127         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11128         * testsuite/Makefile.in: Regenerate.
11129
11130 2008-12-05  Cary Coutant  <ccoutant@google.com>
11131
11132         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11133         Handle --strip-lto-sections option.
11134         * options.h (strip_lto_sections): New option.
11135
11136 2008-12-01  Cary Coutant  <ccoutant@google.com>
11137
11138         * plugin.cc (ld_plugin_message): Change format parameter to const.
11139         Fix mismatch between new[] and delete.
11140
11141 2008-11-14  Cary Coutant  <ccoutant@google.com>
11142
11143         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11144         instead of -1U.
11145
11146 2008-11-05  Craig Silverstein  <csilvers@google.com>
11147
11148         * options.cc (General_options::parse_dynamic_list): New function.
11149         * options.h (General_options): New flags dynamic_list,
11150         dynamic_list_data, dynamic_list_cpp_new, and
11151         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11152         (General_options::in_dynamic_list): New function.
11153         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11154         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11155         (Lex::can_continue_name): Likewise.
11156         (yylex): Likewise.
11157         (read_script_file): New parameter script_options.
11158         (read_dynamic_list): New function.
11159         (Script_options::define_dynamic_list): New function.
11160         (dynamic_list_keyword_parsecodes): New variable.
11161         (dynamic_list_keywords): New variable.
11162         * script.h (Script_options::define_dynamic_list): New function
11163         prototype.
11164         (read_dynamic_list): New function prototype.
11165         * symtab.cc (strprefix): New macro.
11166         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11167         dynamic_list_data, dynamic_list_cpp_new, and
11168         dynamic_list_cpp_typeinfo.
11169         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11170         (dynamic_list_expr): New rule.
11171         (dynamic_list_nodes): Likewise.
11172         (dynamic_list_node): Likewise.
11173         * testsuite/Makefile.am (dynamic_list): New test.
11174         * testsuite/Makefile.in: Regenerated.
11175         * testsuite/dynamic_list.t: New file.
11176         * testsuite/dynamic_list.sh: New file.
11177
11178 2008-11-05  Craig Silverstein  <csilvers@google.com>
11179
11180         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11181         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11182         (t11_last): Likewise.
11183         * testsuite/ver_test_6.c (main): Likewise.
11184
11185 2008-10-07  Cary Coutant  <ccoutant@google.com>
11186
11187         * options.c (General_options::finalize): Add check for -static and
11188         -shared.
11189         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11190         is not empty.
11191
11192 2008-10-02  Cary Coutant  <ccoutant@google.com>
11193
11194         * plugin.cc (make_sized_plugin_object): Fix conditional
11195         compilation to work when not all targets are enabled.
11196
11197 2008-09-29  Cary Coutant  <ccoutant@google.com>
11198
11199         * archive.cc (Archive::get_file_and_offset): Use filename instead
11200         of name to get library path.
11201         (Archive::include_member): Unlock external member of a thin archive.
11202
11203         * testsuite/Makefile.am (TEST_AR): New variable.
11204         (thin_archive_test_1): New test.
11205         (thin_archive_test_2): New test.
11206         * testsuite/Makefile.in: Regenerate.
11207         * testsuite/thin_archive_main.cc: New file.
11208         * testsuite/thin_archive_test_1.cc: New file.
11209         * testsuite/thin_archive_test_2.cc: New file.
11210         * testsuite/thin_archive_test_3.cc: New file.
11211         * testsuite/thin_archive_test_4.cc: New file.
11212
11213 2008-09-29  Cary Coutant  <ccoutant@google.com>
11214
11215         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11216         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11217         instead of -1U.
11218         (Sized_relobj::do_finalize_local_symbols): Likewise.
11219         (Sized_relobj::map_to_kept_section): Likewise.
11220         * object.h (Sized_relobj::invalid_address): New constant.
11221         (Sized_relobj::do_output_section_offset): Check for invalid_address
11222         and return -1ULL.
11223         * output.cc (Output_reloc::local_section_offset): Use constant
11224         invalid_address instead of -1U.
11225         (Output_reloc::get_address): Likewise.
11226         (Output_section::output_address): Change -1U to -1ULL.
11227         * output.h (Output_reloc::invalid_address): New constant.
11228         * reloc.cc (Sized_relobj::write_sections): Use constant
11229         invalid_address instead of -1U.
11230         (Sized_relobj::relocate_sections): Likewise.
11231         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11232         values for merge sections.
11233         * target-reloc.h (relocate_for_relocatable): Use constant
11234         invalid_address instead of -1U.
11235
11236 2008-09-19  Cary Coutant  <ccoutant@google.com>
11237
11238         Add plugin functionality for link-time optimization (LTO).
11239         * configure.ac (plugins): Add --enable-plugins option.
11240         * configure: Regenerate.
11241         * config.in: Regenerate.
11242         * Makefile.am (LIBDL): New variable.
11243         (CCFILES): Add plugin.cc.
11244         (HFILES): Add plugin.h.
11245         (ldadd_var): Add LIBDL.
11246         * Makefile.in: Regenerate.
11247
11248         * archive.cc: Include "plugin.h".
11249         (Archive::setup): Don't preread archive symbols when using a plugin.
11250         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11251         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11252         files.
11253         (Archive::include_member): Add symbols from plugin objects.
11254         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11255         * descriptors.cc (Descriptors::open): Check for file descriptors
11256         abandoned by plugins.
11257         (Descriptors::claim_for_plugin): New function.
11258         * descriptors.h (Descriptors::claim_for_plugin): New function.
11259         (Open_descriptor::is_claimed): New field.
11260         (claim_descriptor_for_plugin): New function.
11261         * fileread.cc (File_read::claim_for_plugin): New function.
11262         * fileread.h (File_read::claim_for_plugin): New function.
11263         (File_read::descriptor): New function.
11264         * gold.cc: Include "plugin.h".
11265         (queue_initial_tasks): Add task to call plugin hooks for generating
11266         new object files.
11267         * main.cc: Include "plugin.h".
11268         (main): Load plugin libraries.
11269         * object.h (Pluginobj): Declare.
11270         (Object::pluginobj): New function.
11271         (Object::do_pluginobj): New function.
11272         (Object::set_target): New function.
11273         * options.cc: Include "plugin.h".
11274         (General_options::parse_plugin): New function.
11275         (General_options::General_options): Initialize plugins_ field.
11276         (General_options::add_plugin): New function.
11277         * options.h (Plugin_manager): Declare.
11278         (General_options): Add --plugin option.
11279         (General_options::has_plugins): New function.
11280         (General_options::plugins): New function.
11281         (General_options::add_plugin): New function.
11282         (General_options::plugins_): New field.
11283         * plugin.cc: New file.
11284         * plugin.h: New file.
11285         * readsyms.cc: Include "plugin.h".
11286         (Read_symbols::do_read_symbols): Check for archive before checking
11287         for ELF file.  Call plugin hooks to claim files.
11288         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11289         from a real object file; force override when processing replacement
11290         files.
11291         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11292         (Symbol::init_base_object): Likewise.
11293         (Symbol::init_base_output_data): Likewise.
11294         (Symbol::init_base_output_segment): Likewise.
11295         (Symbol::init_base_constant): Likewise.
11296         (Symbol::init_base_undefined): Likewise.
11297         (Symbol::output_section): Assert that object is not a plugin.
11298         (Symbol_table::add_from_pluginobj): New function.
11299         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11300         undefined.
11301         (Symbol_table::sized_write_globals): Likewise.
11302         (Symbol_table::add_from_pluginobj): Instantiate template.
11303         * symtab.h (Sized_pluginobj): Declare.
11304         (Symbol::in_real_elf): New function.
11305         (Symbol::set_in_real_elf): New function.
11306         (Symbol::in_real_elf_): New field.
11307         (Symbol_table::add_from_pluginobj): New function.
11308
11309         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11310         (LIBDL): New variable.
11311         (LDADD): Add LIBDL.
11312         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11313         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11314         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11315         (MOSTLYCLEANFILES): Likewise.
11316         * testsuite/Makefile.in: Regenerate.
11317         * testsuite/plugin_test.c: New file.
11318         * testsuite/plugin_test_1.sh: New file.
11319         * testsuite/plugin_test_2.sh: New file.
11320
11321 2008-09-16  Ian Lance Taylor  <iant@google.com>
11322
11323         * target-reloc.h (relocate_section): Check whether a symbol is
11324         defined by the ABI before reporting an undefined symbol error.
11325         * target.h (Target::is_defined_by_abi): Make parameter const.
11326         (Target::do_is_defined_by_abi): Likewise.
11327         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11328         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11329         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11330         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11331         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11332         * testsuite/Makefile.in: Rebuild.
11333
11334         * fileread.cc (make_view): Add casts to avoid warning.
11335
11336 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11337
11338         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11339         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11340
11341 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11342
11343         * options.h (General_options::output_is_executable): New.
11344         (General_options::output_is_pie): New.
11345         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11346         for shared libraries.
11347         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11348
11349 2008-09-11  Chris Demetriou  <cgd@google.com>
11350
11351         * options.h (origin): New -z option.
11352         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11353         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11354         in DT_FLAGS_1.
11355
11356 2008-09-05  Cary Coutant  <ccoutant@google.com>
11357
11358         * fileread.cc (File_read::make_view): Add check for attempt to map
11359         beyond end of file.
11360
11361 2008-09-05  Cary Coutant  <ccoutant@google.com>
11362
11363         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11364         explicit instantiations.
11365
11366 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11367
11368         PR gold/6858
11369         * options.cc (General_options::finalize): Allow undefined symbols
11370         in shlibs if linking -shared.
11371
11372         PR gold/6859
11373         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11374         symbols as not needing a dynsym entry.
11375
11376 2008-08-20  Craig Silverstein  <csilvers@google.com>
11377
11378         * fileread.cc (File_read::open): Do not lock the file unless it
11379         was successfully opened.
11380
11381 2008-08-14  Cary Coutant  <ccoutant@google.com>
11382
11383         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11384         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11385         * testsuite/tls_test.cc (struct int128): 128-bit struct
11386         for testing TLS relocs with non-zero addend.
11387         (v12): New TLS variable.
11388         (t12): New test.
11389         (t_last): Add check for v12.
11390         * testsuite/tls_test.h (t12): New function.
11391         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11392
11393 2008-08-13  Ian Lance Taylor  <iant@google.com>
11394
11395         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11396         set tls_segment_ or relro_segment_.
11397         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11398         when appropriate.
11399         * output.h (Output_section::clear_is_relro): New function.
11400         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11401         sections specially even when output_data_ is empty.
11402         (Output_segment::maximum_alignment): When first section is relro,
11403         only force alignment for PT_LOAD segments.
11404         * script.cc (script_data_segment_align): New function.
11405         (script_data_segment_relro_end): New function.
11406         * script-c.h (script_data_segment_align): Declare.
11407         (script_data_segment_relro_end): Declare.
11408         * script-sections.h (class Script_sections): Declare
11409         data_segment_align and data_segment_relro_end.  Add fields
11410         segment_align_index_ and saw_relro_end_.
11411         * script-sections.cc (class Sections_element): Add set_is_relro
11412         virtual function.  Add new bool* parameter to place_orphan_here.
11413         Add get_output_section virtual function.
11414         (class Output_section_definition): Add set_is_relro.  Add new
11415         bool* parameter to place_orphan_here.  Add get_output_section.
11416         Add is_relro_ field.
11417         (Output_section_definition::Output_section_definition): Initialize
11418         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11419         and is_relro_ fields.
11420         (Output_section_definition::place_orphan_here): Add is_relro
11421         parameter.
11422         (Output_section_definition::set_section_addresses): Set relro for
11423         output section.
11424         (Output_section_definition::alternate_constraint): Likewise.
11425         (class Orphan_output_section): Add new bool* parameter to
11426         place_orphan_here.  Add get_output_section.
11427         (Orphan_output_section::place_orphan_here): Add is_relro
11428         parameter.
11429         (Script_sections::Script_sections): Initialize
11430         data_segment_align_index_ and saw_relro_end_.
11431         (Script_sections::data_segment_align): New function.
11432         (Script_sections::data_segment_relro_end): New function.
11433         (Script_sections::place_orphan): Set or clear is_relro.
11434         (Script_sections::set_section_addresses): Force alignment of first
11435         TLS section.
11436         * yyscript.y (exp): Call script_data_segment_align and
11437         script_data_segment_relro_end.
11438         * testsuite/relro_script_test.t: New file.
11439         * testsuite/relro_test.cc (using_script): Declare.
11440         (t1, t2): Test using_script.
11441         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11442         (relro_script_test_SOURCES): Define.
11443         (relro_script_test_DEPENDENCIES): Define.
11444         (relro_script_test_LDFLAGS): Define.
11445         (relro_script_test_LDADD): Define.
11446         (relro_script_test.so): New target.
11447         * testsuite/Makefile.in: Rebuild.
11448
11449 2008-08-06  Cary Coutant <ccoutant@google.com>
11450
11451         * archive.cc (Archive::total_archives, Archive::total_members)
11452         (Archive::total_members_loaded): New variables.
11453         (Archive::setup): Add parameter.  Add option to preread
11454         archive symbols.
11455         (Archive::read_armap): Add counter.
11456         (Archive::get_file_and_offset): New function.
11457         (Archive::get_elf_object_for_member): New function.
11458         (Archive::read_all_symbols): New function.
11459         (Archive::read_symbols): New function.
11460         (Archive::add_symbols): Add counters.
11461         (Archive::include_all_members): Use armap to find members if it's
11462         already built.
11463         (Archive::include_member): Skip reading symbols if already read.
11464         Factored code into Archive::get_file_and_offset and
11465         Archive::get_elf_object_for_member.  Changed call to
11466         Mapfile::report_include_archive_member.
11467         (Archive::print_stats): New function.
11468         * archive.h: Declare Object and Read_symbols_data classes.
11469         (Archive::Archive): Add initializers for new members.
11470         (Archive::setup): Add parameter.
11471         (Archive::print_stats): New function.
11472         (Archive::total_archives, Archive::total_members)
11473         (Archive::total_members_loaded): New variables.
11474         (Archive::get_file_and_offset): New function.
11475         (Archive::get_elf_object_for_member): New function.
11476         (Archive::read_all_symbols): New function.
11477         (Archive::read_symbols): New function.
11478         (Archive::Archive_member): New class.
11479         (Archive::members_): New member.
11480         (Archive::num_members_): New member.
11481         * main.cc: Include archive.h.
11482         (main): Call Archive::print_stats.
11483         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11484         archive parameter; member_name is now the fully-decorated name.
11485         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11486         * options.h: (General_options): Add --preread-archive-symbols option.
11487         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11488         Archive::setup.
11489
11490 2008-08-04  Ian Lance Taylor  <iant@google.com>
11491
11492         * symtab.h (Symbol::use_plt_offset): New function.
11493         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11494         * powerpc.cc (Relocate::relocate): Likewise.
11495         * sparc.cc (Relocate::relocate): Likewise.
11496         * x86_64.cc (Relocate::relocate): Likewise.
11497         * testsuite/weak_plt.sh: New test.
11498         * testsuite/weak_plt_main.cc: New test.
11499         * testsuite/weak_plt_shared.cc: New test.
11500         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11501         (check_PROGRAMS): Add weak_plt.
11502         (check_DATA): Add weak_plt_shared.so.
11503         (weak_plt_main_pic.o, weak_plt): New targets.
11504         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11505         * testsuite/Makefile.in: Rebuild.
11506
11507         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11508         gcctestdir/ld.
11509         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11510         * testsuite/Makefile.in: Rebuild.
11511
11512 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11513
11514         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11515         * Makefile.in: Regenerate.
11516         * po/POTFILES.in: Regenerate.
11517
11518 2008-07-29  Ian Lance Taylor  <iant@google.com>
11519
11520         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11521         symbols before other symbols.
11522         * testsuite/script_test_2.cc (test_addr): Declare.
11523         (test_addr_alias): Declare.
11524         (main): Check that test_addr and test_addr_alias have the right
11525         values.
11526         * testsuite/script_test_2.t: Define test_addr_alias and
11527         test_addr.
11528
11529 2008-07-24  Ian Lance Taylor  <iant@google.com>
11530
11531         PR 5990
11532         * descriptors.cc: New file.
11533         * descriptors.h: New file.
11534         * gold-threads.h (class Hold_optional_lock): New class.
11535         * fileread.cc: Include "descriptors.h".
11536         (File_read::~File_read): Release descriptor rather than closing
11537         it.
11538         (File_read::open) [file]: Call open_descriptor rather than open.
11539         Set is_descriptor_opened_.
11540         (File_read::open) [memory]: Assert that descriptor is not open.
11541         (File_read::reopen_descriptor): New function.
11542         (File_read::release): Release descriptor.
11543         (File_read::do_read): Make non-const.  Reopen descriptor.
11544         (File_read::read): Make non-const.
11545         (File_read::make_view): Reopen descriptor.
11546         (File_read::do_readv): Likewise.
11547         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11548         Update declarations.
11549         * layout.cc: Include "descriptors.h".
11550         (Layout::create_build_id): Use open_descriptor rather than open.
11551         * output.cc: Include "descriptors.h".
11552         (Output_file::open): Use open_descriptor rather than open.
11553         * archive.cc (Archive::const_iterator): Change Archive to be
11554         non-const.
11555         (Archive::begin, Archive::end): Make non-const.
11556         (Archive::count_members): Likewise.
11557         * archive.h (class Archive): Update declarations.
11558         * object.h (Object::read): Make non-const.
11559         * Makefile.am (CCFILES): Add descriptors.cc.
11560         (HFILES): Add descriptors.h.
11561         * Makefile.in: Rebuild.
11562
11563         PR 6716
11564         * gold.h: Always include <clocale>.  Add Solaris workarounds
11565         following code in binutils/sysdep.h.
11566
11567         PR 6048
11568         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11569         this->eh_frame_hdr_ is NULL before using it.
11570
11571         * dynobj.cc (Versions::Versions): Update comment.
11572
11573         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11574         the base version name.
11575
11576         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11577         array size plus one.
11578         (Stringpool_template::set_string_offsets): Subtract one from key
11579         before using it as an array index.
11580         (Stringpool_template::get_offset_with_length): Likewise.
11581         (Stringpool_template::write_to_buffer): Likewise.
11582         * stringpool.h (Stringpool_template::get_offset_from_key):
11583         Likewise.
11584
11585 2008-07-23  Ian Lance Taylor  <iant@google.com>
11586
11587         PR 6658
11588         * object.h (Merged_symbol_value::value): Do our best to handle a
11589         negative addend.
11590
11591         PR 6647
11592         * script.cc (Version_script_info::get_versions): Don't add empty
11593         version tag to return value.
11594         (Version_script_info::get_symbol_version_helper): Change return
11595         type to bool.  Add pversion parameter.  Change all callers.
11596         (script_register_vers_node): Don't require a non-NULL tag.
11597         * script.h (class Version_script_info): Update declarations.
11598         (Version_script_info::get_symbol_version): Change return type to
11599         bool.  Add version parameter.  Change all callers.
11600         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11601         handling.  Handle an empty version from a version script.
11602         (Symbol_table::define_special_symbol): Likewise.
11603         * testsuite/ver_test_10.script: New file.
11604         * testsuite/ver_test_10.sh: New file.
11605         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11606         (check_DATA): Add ver_test_10.syms.
11607         (ver_test_10.syms, ver_test_10.so): New target.
11608         * testsuite/Makefile.in: Rebuild.
11609
11610 2008-07-23  Simon Baldwin  <simonb@google.com>
11611
11612         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11613         to zero for undefined symbols from dynamic libraries.
11614
11615 2008-07-23  Ian Lance Taylor  <iant@google.com>
11616
11617         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11618         Change all callers.
11619         * symtab.h (class Symbol_table): Update declaration.
11620         * testsuite/ver_test_9.cc: New file.
11621         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11622         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11623         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11624         (ver_test_9.so, ver_test_9.o): New targets.
11625         * testsuite/Makefile.in: Rebuild.
11626
11627 2008-07-22  Ian Lance Taylor  <iant@google.com>
11628
11629         * options.h (class General_options): Define --check-sections.
11630         * layout.cc (Layout::set_segment_offsets): Handle
11631         --check-sections.
11632
11633         * options.h (class General_options): Define -n/--nmagic and
11634         -N/--omagic.
11635         * options.cc (General_options::finalize): For -n/--nmagic or
11636         -N/--omagic, set -static.
11637         * layout.cc (Layout::attach_allocated_section_to_segment): If
11638         -N/--omagic, don't put read-only and read-write sections in
11639         different segments.
11640         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11641         finding a read-only segment.
11642         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11643         don't set the minimum segment alignment to the common page size,
11644         and don't set the file offset to the address modulo the page size.
11645         * script-sections.cc (Script_sections::create_segments): If
11646         -n/--omagic, don't put read-only and read-write sections in
11647         different segments.
11648
11649         * cref.cc: New file.
11650         * cref.h: New file.
11651         * options.h (class General_options): Add --print-symbol-counts.
11652         * main.cc (main): Issue defined symbol report if requested.
11653         * archive.cc (Archive::interpret_header): Make into a const member
11654         function.
11655         (Archive::add_symbols): Call Input_objects::archive_start and
11656         archive_stop.
11657         (Archive::const_iterator): Define new class.
11658         (Archive::begin, Archive::end): New functions.
11659         (Archive::include_all_members): Rewrite to use iterator.
11660         (Archive::count_members): New function.
11661         * archive.h (class Archive): Update declarations.
11662         (Archive::filename): New function.
11663         * object.cc: Include "cref.h".
11664         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11665         (Sized_relobj::do_get_global_symbol_counts): New function.
11666         (Input_objects::add_object): Add object to cross-referencer.
11667         (Input_objects::archive_start): New function.
11668         (Input_objects::archive_stop): New function.
11669         (Input_objects::print_symbol_counts): New function.
11670         * object.h: Declare Cref and Archive.
11671         (Object::get_global_symbol_counts): New function.
11672         (Object::do_get_global_symbol_counts): New pure virtual function.
11673         (class Sized_relobj): Add defined_count_ field.  Update
11674         declarations.
11675         (class Input_objects): Add cref_ field.  Update constructor.
11676         Update declarations.
11677         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11678         defined_count_.
11679         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11680         symbol counts.
11681         (Sized_dynobj::do_get_global_symbol_counts): New function.
11682         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11683         defined_count_.  Update declarations.  Define Symbols typedef.
11684         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11685         parameter.  Change all callers.
11686         (Symbol_table::add_from_dynobj): Add sympointers and defined
11687         parameters.  Change all callers.
11688         * symtab.h (class Symbol_table): Update declarations.
11689         * Makefile.am (CCFILES): Add cref.cc.
11690         (HFILES): Add cref.h.
11691         * Makefile.in: Rebuild.
11692
11693 2008-07-22  Simon Baldwin  <simonb@google.com>
11694
11695         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11696         to zero when writing undefined symbols.
11697
11698 2008-07-22  Ian Lance Taylor  <iant@google.com>
11699
11700         * output.cc (Output_section::add_input_section): Don't try to
11701         merge empty merge sections.
11702
11703 2008-07-21  Craig Silverstein  <csilvers@google.com>
11704
11705         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11706         Include symbol version in error message.
11707
11708 2008-07-20  Chris Demetriou  <cgd@google.com>
11709
11710         * configure.ac (gold_cv_c_random_seed): New configured variable.
11711         (RANDOM_SEED_CFLAGS): New substituted variable.
11712         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11713         * configure: Rebuild.
11714         * Makefile.in: Likewise.
11715         * testsuite/Makefile.in: Likewise.
11716
11717 2008-07-18  Ian Lance Taylor  <iant@google.com>
11718
11719         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11720         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11721         * testsuite/ver_test_main.cc (main): Call t4.
11722         (t4, t4_2a): Define.
11723         * testsuite/ver_test_2.cc (t4_2): Define.
11724         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11725         * testsuite/ver_test_4.cc (t4_2a): Define.
11726         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11727         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11728
11729 2008-07-17  Ian Lance Taylor  <iant@google.com>
11730
11731         * dynobj.cc (Versions::add_def): If we give an error about a
11732         missing version, go ahead and create the version anyhow.
11733
11734 2008-07-10  Ian Lance Taylor  <iant@google.com>
11735
11736         Handle output sections with more than 0x7fffffff bytes.
11737         * object.h (class Relobj): Change map_to_output_ to
11738         output_sections_, and just keep a section pointer.  Change all
11739         uses.  Move comdat group support to Sized_relobj.
11740         (Relobj::is_section_specially_mapped): Remove.
11741         (Relobj::output_section): Remove poff parameter.  Change all
11742         callers.
11743         (Relobj::output_section_offset): New function.
11744         (Relobj::set_section_offset): Rewrite.
11745         (Relobj::map_to_output): Remove.
11746         (Relobj::output_sections): New function.
11747         (Relobj::do_output_section_offset): New pure virtual function.
11748         (Relobj::do_set_section_offset): Likewise.
11749         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11750         group support from Relobj.  Update declarations.
11751         (Sized_relobj::get_output_section_offset): New function.
11752         (Sized_relobj::do_output_section_offset): New function.
11753         (Sized_relobj::do_set_section_offset): New function.
11754         * object.cc (Relobj::output_section_address): Remove.
11755         (Sized_relobj::Sized_relobj): Initialize new fields.
11756         (Sized_relobj::include_section_group): Cast find_kept_object to
11757         Sized_relobj.
11758         (Sized_relobj::include_linkonce_section): Likewise.
11759         (Sized_relobj::do_layout): Use separate arrays for output section
11760         and output offset.
11761         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11762         output_sections.
11763         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11764         output_sections and section_offsets.
11765         (Sized_relobj::write_local_symbols): Likewise.
11766         (map_to_kept_section): Compute output address directly.
11767         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11768         output_sections and section_offsets.
11769         (Sized_relobj::write_sections): Likewise.
11770         (Sized_relobj::relocate_sections): Likewise.
11771         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11772         * output.h (class Output_reloc): Update declarations.  Change
11773         u2_.relobj to Sized_relobj*.
11774         (class Output_data_reloc): Change add functions to use
11775         Sized_relobj*.
11776         * output.cc (Output_reloc::Output_reloc): Change relobj to
11777         Sized_relobj*.
11778         (Output_reloc::local_section_offset): Change return type to
11779         Elf_Addr.  Use get_output_section_offset.
11780         (Output_reloc::get_address): Likewise.
11781         (Output_section::is_input_address_mapped): Don't call
11782         is_section_specially_mapped.
11783         (Output_section::output_offset): Likewise.
11784         (Output_section::output_address): Likewise.
11785         (Output_section::starting_output_address): Likewise.
11786         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11787         parameter to Sized_relobj*.
11788         (Copy_relocs::need_copy_reloc): Likewise.
11789         (Copy_relocs::save): Likewise.
11790         * copy-relocs.h (class Copy_relocs): Update declarations.
11791         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11792         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11793         * target-reloc.h (relocate_for_relocatable): Change
11794         offset_in_output_section type to Elf_Addr.  Change code that uses
11795         it as well.
11796         * layout.cc (Layout::layout): Always set *off.
11797         * mapfile.cc (Mapfile::print_input_section): Use
11798         output_section_offset.
11799         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11800         Sized_relobj*.
11801         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11802         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11803         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11804
11805 2008-07-03  Ian Lance Taylor  <iant@google.com>
11806
11807         * layout.cc (Layout::include_section): Do not discard unrecognized
11808         SHT_STRTAB sections.
11809
11810 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11811
11812         * script.cc (Lex::can_continue_name): Make '?' allowable in
11813         version-script names.
11814         * testsuite/version_script.map: Change glob pattern to use '?'
11815
11816 2008-06-30  Manish Singh  <yosh@gimp.org>
11817
11818         PR 6585
11819         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11820         Correct typo.
11821
11822 2008-06-30  Ian Lance Taylor  <iant@google.com>
11823
11824         PR 6660
11825         PR 6682
11826         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11827         versions]: Don't try to read the value in the contents, since we
11828         don't use it.  Use the template endianness when writing.
11829
11830 2008-06-25  Cary Coutant  <ccoutant@google.com>
11831
11832         * fileread.cc (File_read::make_view): Assert on zero-length view.
11833         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11834         symbol table when there are no symbols to read.
11835
11836 2008-06-23  Craig Silverstein  <csilvers@google.com>
11837
11838         * version.cc (version_string): Bump to 1.7
11839
11840 2008-06-18  Craig Silverstein  <csilvers@google.com>
11841
11842         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11843         constant 0xFFFF to type Valtype.
11844         (Powerpc_relocate_functions::rel16_ha): Likewise.
11845
11846 2008-06-17  Ian Lance Taylor  <iant@google.com>
11847
11848         * output.h (Output_section::Input_section): Initialize p2align_ to
11849         zero for Output_section_data constructors.
11850         (Output_section::Input_section::addralign): If not an input
11851         section, return the alignment of the Output_section_data.
11852         * testsuite/copy_test.cc: New file.
11853         * testsuite/copy_test_1.cc: New file.
11854         * testsuite/copy_test_2.cc: New file.
11855         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11856         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11857         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11858         (copy_test_1_pic.o, copy_test_1.so): New targets.
11859         (copy_test_2_pic.o, copy_test_2.so): New targets.
11860         * testsuite/Makefile.in: Rebuild.
11861
11862         * script-sections.cc (Script_sections::place_orphan): Initialize
11863         local variable exact.
11864
11865 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11866
11867         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11868
11869 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11870             David S. Miller  <davem@davemloft.net>
11871
11872         * powerpc.cc: New file.
11873         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11874         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11875         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11876         * Makefile.in: Rebuild.
11877
11878 2008-06-09  Ian Lance Taylor  <iant@google.com>
11879
11880         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11881         <exception>.
11882         (throwing, orig_terminate): New static variables.
11883         (terminate_handler): New static function.
11884         (t2): Set terminate handler.
11885
11886 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11887
11888         PR 6584
11889         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11890         alignment.
11891
11892 2008-05-30  Cary Coutant  <ccoutant@google.com>
11893
11894         * archive.cc (Archive::include_all_members) Correct to step
11895         over symbol table and extended name table in thin archives.
11896
11897 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11898
11899         PR 6407
11900         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11901         calculation.
11902
11903 2008-05-28  Caleb Howe  <cshowe@google.com>
11904
11905         * reduced_debug_output.cc: New file.
11906         * reduced_debug_output.h: New file.
11907         * options.h (class General_options): Add --strip-debug-non-line.
11908         * options.cc (General_options::finalize): Add strip_debug_non_line
11909         to the strip heirarchy.
11910         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11911         fields.
11912         * layout.cc: Include "reduced_debug_output.h".
11913         (Layout::Layout): Initialize new fields.
11914         (line_only_debug_sections): New static array.
11915         (is_lines_only_debug_sections): New static inline function.
11916         (Layout::include_section): Handle --strip-debug-non-line.
11917         (Layout::make_output_section): If --strip-debug-non-line, build
11918         new output sections for .debug_abbrev and .debug_info.
11919         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11920         gold.  Warn about possible overflow.
11921         (read_signed_LEB_128): Likewise.
11922         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11923         (read_signed_LEB_128): Declare.
11924         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11925         (HFILES): Add reduced_debug_output.h.
11926         * Makefile.in: Rebuild.
11927
11928 2008-05-21  Ian Lance Taylor  <iant@google.com>
11929
11930         * mapfile.cc: New file.
11931         * mapfile.h: New file.
11932         * options.h (class General_options): Add -M/--print-map and -Map.
11933         * options.cc (General_options::finalize): Make -M equivalent to
11934         -Map -.
11935         * main.cc: Include <cstdio> and "mapfile.h".
11936         (main): Open mapfile if requested.
11937         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11938         constructor.  Change caller.
11939         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11940         (queue_middle_tasks): Likewise.
11941         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11942         declarations.
11943         * archive.cc: Include "mapfile.h".
11944         (Archive::add_symbols): Add mapfile parameter.  Change all
11945         callers.  Pass mapfile, symbol, and reason to include_member.
11946         (Archive::include_all_members): Add mapfile parameter.  Change all
11947         callers.
11948         (Archive::include_member): Add mapfile, sym, and why parameters.
11949         Change all callers.  Report inclusion to map file.
11950         * archive.h: Include "fileread.h".
11951         (class Archive): Update declarations.
11952         (Archive::file): New const method.
11953         (class Add_archive_symbols): Add mapfile_ field.  Update
11954         constructor.  Change all callers.
11955         * readsyms.h (class Read_symbols): Likewise.
11956         (class Finish_group): Likewise.
11957         (class Read_script): Likewise.
11958         * common.cc: Include "mapfile.h".
11959         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11960         all callers.
11961         (Symbol_table::do_allocate_commons): Likewise.
11962         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11963         symbol allocation to mapfile.
11964         * common.h (class Allocate_commons_task): Add mapfile_ field.
11965         Update constructor.  Change all callers.
11966         * symtab.h (class Symbol_table): Update declarations.
11967         * layout.cc: Include "mapfile.h".
11968         (Layout_task_runner::run): Print information to mapfile.
11969         (Layout::create_gold_note): Change Output_data_fixed_space to
11970         Output_data_zero_fill.
11971         (Layout::create_build_id): Likewise.
11972         (Layout::print_to_mapfile): New function.
11973         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11974         constructor.  Change caller.
11975         (class Layout): Declare print_to_mapfile.
11976         * output.cc (Output_section::Input_section::print_to_mapfile): New
11977         function.
11978         (Output_section::add_input_section): If producing a map, always
11979         add to input_sections_ list.
11980         (Output_section::do_print_to_mapfile): New function.
11981         (Output_segment::print_sections_to_mapfile): New function.
11982         (Output_segment::print_section_list_to_mapfile): New function.
11983         * output.h: Include "mapfile.h".
11984         (Output_data::print_to_mapfile): New function.
11985         (Output_data::do_print_to_mapfile): New virtual function.
11986         (Output_segment_headers::do_print_to_mapfile): New function.
11987         (Output_file_header::do_print_to_mapfile): New function.
11988         (Output_data_const::do_print_to_mapfile): New function.
11989         (class Output_data_const_buffer): Add map_name_ field.  Update
11990         constructor.  Change all callers.  Add do_print_to_mapfile
11991         function.
11992         (class Output_data_fixed_space): Likewise.
11993         (class Output_data_space): Likewise.
11994         (class Output_data_zero_fill): New class.
11995         (Output_data_strtab::do_print_to_mapfile): New function.
11996         (Output_data_reloc_base::do_print_to_mapfile): New function.
11997         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11998         (Output_data_group::do_print_to_mapfile): New function.
11999         (Output_data_got::do_print_to_mapfile): New function.
12000         (Output_data_dynamic::do_print_to_mapfile): New function.
12001         (Output_symtab_xindex::do_print_to_mapfile): New function.
12002         (class Output_section): Declare do_print_to_mapflie.  Declare
12003         print_to_mapfile in Input_section.
12004         (class Output_segment): Declare new functions.
12005         * object.h (Sized_relobj::symbol_count): New function.
12006         * script-sections.cc
12007         (Output_section_element_dot_assignment::set_section_addresses):
12008         Change Output_data_fixed_space to Output_data_zero_fill.
12009         (Output_data_expression::do_print_to_mapfile): New function.
12010         * script.cc (read_input_script): Add mapfile parameter.  Change
12011         all callers.
12012         * script.h (read_input_script): Update declaration.
12013         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12014         (Eh_frame::do_print_to_mapfile): New function.
12015         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12016         (Output_merge_string::do_print_to_mapfile): New function.
12017         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12018         function.
12019         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12020         function.
12021         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12022         function.
12023         * Makefile.am (CCFILES): Add mapfile.cc.
12024         (HFILES): Add mapfile.h.
12025         * Makefile.in: Rebuild.
12026
12027 2008-05-19  Ian Lance Taylor  <iant@google.com>
12028
12029         * options.h (class General_options): Add -z relro.
12030         * layout.cc (Layout::Layout): Initialize relro_segment_.
12031         (Layout::add_output_section_data): Return the output section.
12032         (Layout::make_output_section): Rcognize relro sections and mark
12033         them appropriately.
12034         (Layout::attach_allocated_section_to_segment): Put relro sections
12035         in a PT_GNU_RELRO segment.
12036         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12037         section as relro.
12038         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12039         PT_TLS segments.
12040         (Layout::linkonce_mapping): Map d.rel.ro.local to
12041         .data.rel.ro.local.
12042         (Layout::output_section_name): Us .data.rel.ro.local for any
12043         section which begins with that.
12044         * layout.h (class Layout): Update add_output_section_data
12045         declaration.  Add relro_segment_ field.
12046         * output.cc (Output_section::Output_section): Initialize is_relro_
12047         and is_relro_local_ fields.
12048         (Output_segment::add_output_section): Group relro sections.
12049         (Output_segment::is_first_section_relro): New function.
12050         (Output_segment::maximum_alignment): If there is a relro section,
12051         align the segment to the common page size.
12052         (Output_segment::set_section_addresses): Track whether we are
12053         looking at relro sections.  If the last section is a relro
12054         section, align to the common page size.
12055         (Output_segment::set_section_list_addresses): Add in_relro
12056         parameter.  Change all callers.  Align to the page size when
12057         moving from relro to non-relro section.
12058         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12059         segment.
12060         * output.h (class Output_section): Add is_relro_ and
12061         is_relro_local_ fields.
12062         (Output_section::is_relro): New function.
12063         (Output_section::set_is_relro): New function.
12064         (Output_section::is_relro_local): New function.
12065         (Output_section::set_is_relro_local): New function.
12066         (class Output_segment): Update declarations.
12067         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12068         * sparc.cc (Target_sparc::got_section): Likewise.
12069         * x86_64.cc (Target_x86_64::got_section): Likewise.
12070         * testsuite/relro_test_main.cc: New file.
12071         * testsuite/relro_test.cc: New file.
12072         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12073         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12074         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12075         (relro_test.so, relro_test_pic.o): New targets.
12076         * testsuite/Makefile.in: Rebuild.
12077
12078 2008-05-16  Ian Lance Taylor  <iant@google.com>
12079
12080         * output.cc (Output_segment::add_output_section): Remove front
12081         parameter.
12082         * output.h (class Output_segment): Remove
12083         add_initial_output_section and overloaded add_output_section.
12084         Update declaration of remaining add_output_section.
12085         * layout.cc (Layout::create_interp): Call add_output_section
12086         rather than add_initial_output_section.
12087         (Layout::finish_dynamic_section): Likewise.
12088
12089         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12090         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12091         know the dynamic type.
12092         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12093         field.  Initialize it in constructor.
12094         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12095         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12096         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12097         reloc.
12098
12099         * output.cc (Output_reloc::get_address): Change return type to
12100         Elf_Addr.
12101         * output.h (class Output_reloc): Update get_address declaration.
12102         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12103         for section addresses.
12104
12105 2008-05-09  Ian Lance Taylor  <iant@google.com>
12106
12107         PR 6493
12108         * gold.cc (gold_nomem): Use return value of write.
12109
12110 2008-05-08  Ian Lance Taylor  <iant@google.com>
12111
12112         * symtab.c (Symbol::init_base_output_data): Add version
12113         parameter.  Change all callers.
12114         (Symbol::init_base_output_segment): Likewise.
12115         (Symbol::init_base_constant): Likewise.
12116         (Symbol::init_base_undefined): Likewise.
12117         (Sized_symbol::init_output_data): Likewise.
12118         (Sized_symbol::init_output_segment): Likewise.
12119         (Sized_symbol::init_constant): Likewise.
12120         (Sized_symbol::init_undefined): Likewise.
12121         (Symbol_table::do_define_in_output_data): If the new symbol has a
12122         version, mark it as the default.
12123         (Symbol_table::do_define_in_output_segment): Likewise.
12124         (Symbol_table::do_define_as_constant): Likewise.
12125         * symtab.h (class Symbol): Update declarations.
12126         (class Sized_symbol): Likewise.
12127         * resolve.cc (Symbol::override_version): New function.
12128         (Symbol::override_base): Call override_version.
12129         (Symbol::override_base_with_special): Likewise.
12130         * testsuite/ver_script_8.script: New file.
12131         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12132         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12133         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12134         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12135
12136 2008-05-06  Ian Lance Taylor  <iant@google.com>
12137
12138         PR 6049
12139         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12140         functions.
12141         (class General_options): Remove existing --undefined, and add
12142         --no-undefined instead.  Add new --undefined as synonym for -u.
12143         * archive.cc (Archive::add_symbols): Check whether symbol was
12144         named with -u.
12145         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12146         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12147         all uses.  Add IS_UNDEFINED.  Update declarations to split
12148         different versions of init_base.  Declare init_base_undefined.
12149         (Symbol::is_defined): Handle IS_UNDEFINED.
12150         (Symbol::is_undefined): Likewise.
12151         (Symbol::is_weak_undefined): Call is_undefined.
12152         (Symbol::is_absolute): Handle IS_CONSTANT.
12153         (class Sized_symbol): Update declarations to split different
12154         versions of init.  Declare init_undefined.
12155         (class Symbol_table): Declare new functions.
12156         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12157         Change all callers.
12158         (Symbol::init_base_output_data): Likewise.
12159         (Symbol::init_base_output_segment): Likewise.
12160         (Symbol::init_base_constant): Likewise.
12161         (Symbol::init_base_undefined): New function.
12162         (Sized_symbol::init_object): Rename from init.  Change all
12163         callers.
12164         (Sized_symbol::init_output_data): Likewise.
12165         (Sized_symbol::init_output_segment): Likewise.
12166         (Sized_symbol::init_constant): Likewise.
12167         (Sized_symbol::init_undefined): New function.
12168         (Symbol_table::add_undefined_symbols_from_command_line): New
12169         function.
12170         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12171         function.
12172         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12173         (Symbol::output_section): Likewise.
12174         (Symbol::set_output_section): Likewise.
12175         (Symbol_table::sized_finalize_symbol): Likewise.
12176         (Symbol_table::sized_write_globals): Likewise.
12177         * resolve.cc (Symbol_table::should_override): Likewise.
12178         (Symbol::override_base_with_special): Likewise.
12179
12180         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12181         symbol, change it to have default visibility.
12182         * testsuite/protected_1.cc: New file.
12183         * testsuite/protected_2.cc: New file.
12184         * testsuite/protected_3.cc: New file.
12185         * testsuite/protected_main_1.cc: New file.
12186         * testsuite/protected_main_2.cc: New file.
12187         * testsuite/protected_main_3.cc: New file.
12188         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12189         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12190         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12191         (protected_1.so): New target.
12192         (protected_1_pic.o, protected_2_pic.o): New targets.
12193         (protected_3_pic.o): New target.
12194         (check_PROGRAMS): Add protected_2.
12195         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12196         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12197         * testsuite/Makefile.in: Rebuild.
12198
12199         * options.h (DEFINE_var): Add set_user_set_##varname__.
12200         (DEFINE_bool_alias): New macro.
12201         (class General_options): Define -Bstatic using DEFINE_bool_alias
12202         rather than DEFINE_special.  Add --undefined as an alias for -z
12203         defs.
12204         * options.cc (General_options::parse_Bstatic): Remove.
12205
12206         * options.h (class General_options): Add --fatal-warnings.
12207         * main.cc (main): Implement --fatal-warnings.
12208         * errors.h (Errors::warning_count): New function.
12209
12210         * options.h (class General_options): Add -Bsymbolic-functions.
12211         * symtab.h (Symbol::is_preemptible): Check for
12212         -Bsymbolic-functions.
12213
12214 2008-05-05  Ian Lance Taylor  <iant@google.com>
12215
12216         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12217         as noVARNAME rather than no-VARNAME.
12218         (class General_options): Add option -z combreloc.
12219         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12220         get_address.
12221         (Output_reloc::sort_before) [SHT_REL]: New function.
12222         (Output_reloc::sort_before) [SHT_RELA]: New function.
12223         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12224         Sort_relocs_comparison.
12225         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12226         parameter.  Change all callers.
12227         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12228         sort_relocs parameter.  Change all callers.
12229         * output.cc (Output_reloc::get_address): New function, broken out
12230         of write_rel.
12231         (Output_reloc::write_rel): Call it.
12232         (Output_reloc::compare): New function.
12233         (Output_data_reloc_base::do_write): Optionally sort relocs.
12234
12235         * configure.ac: If targ_extra_obj is set, link it in.
12236         * configure.tgt: Initialize all variables.
12237         (x86_64*): Set targ_extra_obj and targ_extra_size.
12238         * configure: Rebuild.
12239
12240         * object.cc (Sized_relobj::include_section_group): Adjust section
12241         indexes read from group data.  Build vector to pass to
12242         layout_group.
12243         * layout.cc (Layout::layout_group): Add flags and shndxes
12244         parameters.  Remove contents parameter.  Change caller.  Update
12245         explicit instantiations.
12246         * layout.h (class Layout): Update layout_group declaration.
12247         * output.cc (Output_data_group::Output_data_group): Add flags and
12248         input_shndxes parameters.  Remove contents parameter.  Change
12249         caller.
12250         (Output_data_group::do_write): Change input_sections_ to
12251         input_shndxes_.
12252         * output.h (class Output_data_group): Update constructor
12253         declaration.  Rename input_sections_ to input_shndxes_.
12254         * testsuite/many_sections_test.cc: Add template.
12255
12256 2008-04-30  Cary Coutant  <ccoutant@google.com>
12257
12258         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12259
12260         * layout.cc (Layout::include_section): Refactored check for debug
12261         info section.
12262         (Layout::add_comdat): Add new parameters.  Change type
12263         of signature parameter.  Add object and shndx to signatures table.
12264         (Layout::find_kept_object): New function.
12265         * layout.h: Include <cstring>.
12266         (Layout::is_debug_info_section): New function.
12267         (Layout::add_comdat): Add new parameters.
12268         (Layout::find_kept_object): New function.
12269         (Layout::Kept_section): New struct.
12270         (Layout::Signatures): Change type of map range.
12271         * object.cc (Relobj::output_section_address): New function.
12272         (Sized_relobj::include_section_group): Add new parameters.  Change
12273         calls to Layout::add_comdat.  Change to build table of kept comdat
12274         groups and table mapping discarded sections to kept sections.
12275         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12276         (Sized_relobj::do_layout): Change calls to include_section_group and
12277         include_linkonce_section.
12278         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12279         value to zero when section is discarded.
12280         (Sized_relobj::map_to_kept_section): New function.
12281         * object.h (Relobj::output_section_address): New function.
12282         (Relobj::Comdat_group): New type.
12283         (Relobj::find_comdat_group): New function.
12284         (Relobj::Comdat_group_table): New type.
12285         (Relobj::Kept_comdat_section): New type.
12286         (Relobj::Kept_comdat_section_table): New type.
12287         (Relobj::add_comdat_group): New function.
12288         (Relobj::set_kept_comdat_section): New function.
12289         (Relobj::get_kept_comdat_section): New function.
12290         (Relobj::comdat_groups_): New field.
12291         (Relobj::kept_comdat_sections_): New field.
12292         (Symbol_value::input_value): Update comment.
12293         (Sized_relobj::map_to_kept_section) New function.
12294         (Sized_relobj::include_linkonce_section): Add new parameter.
12295         * target-reloc.h (Comdat_behavior): New type.
12296         (get_comdat_behavior): New function.
12297         (relocate_section): Add code to map a discarded section to the
12298         corresponding kept section when applying a relocation.
12299
12300 2008-04-30  Craig Silverstein  <csilvers@google.com>
12301
12302         * dwarf_reader.cc (next_generation_count): New static var.
12303         (Addr2line_cache_entry): New struct.
12304         (addr2line_cache): New static var.
12305         (Dwarf_line_info::one_addr2line): Added caching.
12306         (Dwarf_line_info::clear_addr2line_cache): New function.
12307         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12308         cache-size parameter.
12309         (Dwarf_line_info::one_addr2line_cache): New function.
12310         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12311         new cache-size argument to one_addr2line(), and clear cache.
12312
12313 2008-04-28  Cary Coutant  <ccoutant@google.com>
12314
12315         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12316         R_386_PC8 relocations.
12317
12318 2008-04-23  Ian Lance Taylor  <iant@google.com>
12319
12320         * object.cc (Sized_relobj::include_section_group): Check for
12321         invalid section group.
12322
12323         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12324         header size.
12325
12326         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12327         than read for file header.
12328         * archive.cc (Archive::include_member): Likewise.
12329
12330 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12331
12332         * aclocal.m4: Regenerate.
12333         * configure: Regenerate.
12334
12335 2008-04-19  Ian Lance Taylor  <iant@google.com>
12336
12337         * version.cc (version_string): Bump to 1.6.
12338
12339         * testsuite/Makefile.am (many_sections_r_test): New target.
12340         (many_sections_r_test_SOURCES): Remove.
12341         (many_sections_r_test_DEPENDENCIES): Remove.
12342         (many_sections_r_test_LDFLAGS): Remove.
12343         (many_sections_r_test_LDADD): Remove.
12344
12345         * object.cc (Sized_relobj::do_add_symbols): Always pass
12346         local_symbol_count_ to add_from_relobj.
12347
12348         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12349         every thousand variables.
12350         * testsuite/Makefile.in: Rebuild.
12351
12352         * object.cc (Xindex::initialize_symtab_xindex): New function.
12353         (Xindex::read_symtab_xindex): New function.
12354         (Xindex::sym_xindex_to_shndx): New function.
12355         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12356         available.
12357         (Sized_relobj::do_initialize_xindex): New function.
12358         (Sized_relobj::do_read_symbols): Adjust section links.
12359         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12360         parameter.  Change all callers.
12361         (Sized_relobj::include_section_group): Adjust section links and
12362         symbol section indexes.
12363         (Sized_relobj::do_layout): Adjust section links.
12364         (Sized_relobj::do_count_local_symbols): Adjust section links and
12365         symbol section indexes.
12366         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12367         ordinary and special symbols.
12368         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12369         dynsym_xindex parameters.  Change all callers.  Adjust section
12370         links.  Use SHN_XINDEX when needed.
12371         (Sized_relobj::get_symbol_location_info): Adjust section links.
12372         Don't get fooled by special symbols.
12373         * object.h (class Xindex): Define.
12374         (class Object): Add xindex_ parameter.  Declare virtual functoin
12375         do_initialize_xindex.
12376         (Object::adjust_sym_shndx): New function.
12377         (Object::set_xindex): New protected function.
12378         (class Symbol_value): Add is_ordinary_shndx_ field.
12379         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12380         (Symbol_value::value): Assert ordinary section.
12381         (Symbol_value::initialize_input_to_output_map): Likewise.
12382         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12383         Change all callers.
12384         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12385         all callers.
12386         (class Sized_relobj): Update declarations.
12387         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12388         parameter.  Change all callers.
12389         (Sized_relobj::adjust_shndx): New function.
12390         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12391         field.
12392         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12393         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12394         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12395         (Sized_dynobj::read_dynsym_section): Adjust section links.
12396         (Sized_dynobj::read_dynamic): Likewise.
12397         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12398         section links.
12399         (Sized_dynobj::do_initialize_xindex): New function.
12400         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12401         do_initialize_xindex.
12402         (Sized_dynobj::adjust_shndx): New function.
12403         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12404         dynsym_xindex_ fields.
12405         (Layout::finalize): Add a call to set_section_indexes before
12406         creating the symtab sections.
12407         (Layout::set_section_indexes): Don't do anything if the section
12408         already has a section index.
12409         (Layout::create_symtab_sections): Add shnum parameter.  Change
12410         caller.  Create .symtab_shndx section if needed.
12411         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12412         caller.
12413         (Layout::allocated_output_section_count): New function.
12414         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12415         needed.
12416         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12417         fields.  Update declarations.
12418         (Layout::symtab_xindex): New function.
12419         (Layout::dynsym_xindex): New function.
12420         (class Write_symbols_task): Add layout_ field.
12421         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12422         Change caller.
12423         * output.cc (Output_section_headers::Output_section_headers): Add
12424         shstrtab_section parameter.  Change all callers.
12425         (Output_section_headers::do_sized_write): Store overflow values
12426         for section count and section string table section index in
12427         section header zero.
12428         (Output_file_header::do_sized_write): Check for overflow of
12429         section count and section string table section index.
12430         (Output_symtab_xindex::do_write): New function.
12431         (Output_symtab_xindex::endian_do_write): New function.
12432         * output.h (class Output_section_headers): Add shstrtab_section_.
12433         Update declarations.
12434         (class Output_symtab_xindex): Define.
12435         (Output_section::has_out_shndx): New function.
12436         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12437         field.
12438         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12439         Change all callers.
12440         (Sized_symbol::init): Likewise.
12441         (Symbol::output_section): Check for ordinary symbol.
12442         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12443         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12444         callers.
12445         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12446         Change all callers.  Simplify handling of symbols from sections
12447         not included in the link.
12448         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12449         distinction.
12450         (Weak_alias_sorter::operator()): Assert that symbols are
12451         ordinary.
12452         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12453         distinction.
12454         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12455         parameters.  Change all callers.
12456         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12457         symbol distinction.  Use SHN_XINDEX when needed.
12458         (Symbol_table::write_section_symbol): Add symtab_xindex
12459         parameter.  Change all callers.
12460         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12461         SHN_XINDEX when needed.
12462         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12463         declarations.
12464         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12465         (Symbol::is_defined): Check is_ordinary.
12466         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12467         (Symbol::is_absolute, Symbol::is_common): Likewise.
12468         (class Sized_symbol): Update declarations.
12469         (class Symbol_table): Update declarations.
12470         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12471         parameters.  Change all callers.
12472         (Sized_symbol::override): Likewise.
12473         (Symbol_table::override): Likewise.
12474         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12475         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12476         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12477         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12478         to be in an ordinary section.
12479         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12480         object and is_ordinary parameters.  Change all callers.
12481         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12482         Change all callers.  Don't add undefined or non-ordinary symbols
12483         to reloc_map_.
12484         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12485         Change all callers.
12486         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12487         declarations.
12488         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12489         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12490         (Sized_relobj::relocate_sections): Likewise.
12491         * target-reloc.h (scan_relocs): Adjust section symbol index.
12492         (scan_relocatable_relocs): Likewise.
12493         * i386.cc (Scan::local): Check for ordinary symbols.
12494         * sparc.cc (Scan::local): Likewise.
12495         * x86_64.cc (Scan::local): Likewise.
12496         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12497         to symbol_section_and_value.
12498         * testsuite/many_sections_test.cc: New file.
12499         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12500         (check_PROGRAMS): Add many_sections_test.
12501         (many_sections_test_SOURCES): Define.
12502         (many_sections_test_DEPENDENCIES): Define.
12503         (many_sections_test_LDFLAGS): Define.
12504         (BUILT_SOURCES): Add many_sections_define.h.
12505         (many_sections_define.h): New target.
12506         (BUILT_SOURCES): Add many_sections_check.h.
12507         (many_sections_check.h): New target.
12508         (check_PROGRAMS): Add many_sections_r_test.
12509         (many_sections_r_test_SOURCES): Define.
12510         (many_sections_r_test_DEPENDENCIES): Define.
12511         (many_sections_r_test_LDFLAGS): Define.
12512         (many_sections_r_test_LDADD): Define.
12513         (many_sections_r_test.o): New target.
12514         * testsuite/Makefile.in: Rebuild.
12515
12516 2008-04-17  Cary Coutant  <ccoutant@google.com>
12517
12518         * errors.cc (Errors::info): New function.
12519         (gold_info): New function.
12520         * errors.h (Errors::info): New function.
12521         * gold.h (gold_info): New function.
12522         * object.cc (Input_objects::add_object): Print trace output.
12523         * options.cc (options::parse_set): New function.
12524         (General_options::parse_wrap): Deleted.
12525         (General_options::General_options): Deleted initializer.
12526         * options.h (options::String_set): New typedef.
12527         (options::parse_set): New function.
12528         (DEFINE_set): New macro.
12529         (General_options::wrap): Changed to use DEFINE_set. Changed
12530         callers of any_wrap_symbols and is_wrap_symbol.
12531         (General_options::trace, General_options::trace_symbol):
12532         New options.
12533         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12534         (General_options::wrap_symbols_): Deleted.
12535         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12536
12537 2008-04-17  David S. Miller  <davem@davemloft.net>
12538
12539         * options.cc (General_options::parse_V): New function.
12540         * options.h: Add entries for -V and -Qy.
12541
12542 2008-04-17  Ian Lance Taylor  <iant@google.com>
12543
12544         * common.cc (Symbol_table::allocate_commons): Remove options
12545         parameter.  Change caller.
12546         (Symbol_table::do_allocate_commons): Remove options parameter.
12547         Change caller.  Just call do_allocate_commons_list twice.
12548         (Symbol_table::do_allocate_commons_list): New function, broken out
12549         of do_allocate_commons.
12550         * common.h (class Allocate_commons_task): Remove options_ field.
12551         Update constructor.
12552         * symtab.cc (Symbol_table::Symbol_table): Initialize
12553         tls_commons_.
12554         (Symbol_table::add_from_object): Put TLS common symbols on
12555         tls_commons_ list.
12556         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12557         which are IN_OUTPUT_DATA.
12558         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12559         allocate_commons and do_allocate_commons declarations.  Declare
12560         do_allocate_commons_list.
12561         * gold.cc (queue_middle_tasks): Update creation of
12562         Allocate_commons_task to not pass options.
12563         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12564         (TLS_TEST_C_FLAGS): New variable.
12565         (tls_test_c_pic.o): New target.
12566         (tls_test_shared.so): Link in tls_test_c_pic.o.
12567         (tls_test_c_pic_ie.o): New target.
12568         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12569         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12570         (tls_test_c.o): New target.
12571         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12572         (tls_pic_test_LDADD): Likewise.
12573         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12574         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12575         (tls_test_c_gnu2.o): New target.
12576         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12577         tls_test_c_gnu2.o.
12578         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12579         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12580         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12581         * testsuite/tls_test.cc: Include "config.h".
12582         (t_last): Call t11_last.
12583         * testsuite/tls_test.h (t11, t11_last): Declare.
12584         * testsuite/tls_test_c.c: New file.
12585         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12586         * configure.ac: Check for OpenMP support.
12587         * configure, config.in, Makefile.in: Rebuild.
12588         * testsuite/Makefile.in: Rebuild.
12589
12590 2008-04-16  Cary Coutant  <ccoutant@google.com>
12591
12592         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12593         (Target_i386::tls_base_symbol_defined_): New field.
12594         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12595         (Target_i386::Scan::global): Likewise.
12596         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12597         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12598         (Target_x86_64::tls_base_symbol_defined_): New field.
12599         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12600         (Target_x86_64::Scan::global): Likewise.
12601
12602 2008-04-16  Cary Coutant  <ccoutant@google.com>
12603
12604         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12605         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12606         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12607         building shared libraries.
12608         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12609         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12610         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12611         * testsuite/Makefile.in: Rebuild.
12612         * testsuite/weak_undef.h: New file.
12613         * testsuite/weak_undef_file1.cc: Add extra test cases.
12614         * testsuite/weak_undef_file2.cc: Likewise.
12615         * testsuite/weak_undef_test.cc: Likewise.
12616
12617 2008-04-16  David S. Miller  <davem@davemloft.net>
12618
12619         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12620         Add issued_non_pic_error_ field.  Declare check_non_pic.
12621         (Target_sparc::Scan::check_non_pic): New function.
12622         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12623         (Target_sparc::Scan::global): Likewise.
12624
12625         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12626         * configure: Rebuild.
12627
12628         * options.h (DEFINE_enable): New macro.
12629         (new_dtags): New enable option.
12630         (initfirst, interpose, loadfltr, nodefaultlib,
12631         nodelete, nodlopen, nodump): New -z options.
12632         * layout.cc (Layout:finish_dynamic_section): If new
12633         dtags enabled, emit DT_RUNPATH.  Also, emit a
12634         DT_FLAGS_1 containing any specified -z flags.
12635
12636 2008-04-16  Ian Lance Taylor  <iant@google.com>
12637
12638         * copy-relocs.cc: New file.
12639         * copy-relocs.h: New file.
12640         * reloc.cc: Remove Copy_relocs code.
12641         * reloc.h: Likewise.
12642         * reloc-types.h (struct Reloc_types) [both versions]: Add
12643         get_reloc_addend_noerror.
12644         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12645         variants of add_global which take an addend which must be zero.
12646         * i386.cc: Include "copy-relocs.h".
12647         (class Target_i386): Change type of copy_relocs_ to variable,
12648         update initializer.
12649         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12650         Change all callers.
12651         (Target_i386::do_finalize_sections): Change handling of
12652         copy_relocs_.
12653         * sparc.cc: Include "copy-relocs.h".
12654         (class Target_sparc): Change type of copy_relocs_ to variable,
12655         update initializer.
12656         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12657         Change all callers.
12658         (Target_sparc::do_finalize_sections): Change handling of
12659         copy_relocs_.
12660         * x86_64.cc: Include "copy-relocs.h".
12661         (class Target_x86_64): Change type of copy_relocs_ to variable,
12662         update initializer.
12663         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12664         class.  Change all callers.
12665         (Target_x86_64::do_finalize_sections): Change handling of
12666         copy_relocs_.
12667         * Makefile.am (CCFILES): Add copy-relocs.cc.
12668         (HFILES): Add copy-relocs.h.
12669
12670         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12671
12672         * testsuite/script_test_4.sh: Permit leading zeroes.
12673
12674 2008-04-15  Ian Lance Taylor  <iant@google.com>
12675
12676         * script-sections.cc (Script_sections::create_segments): Use
12677         header_size_adjustment even when there is enough room for the
12678         headers.
12679         * testsuite/script_test_4.sh: New file.
12680         * testsuite/script_test_4.t: New file.
12681         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12682         (check_DATA): Add script_test_4.stdout.
12683         (MOSTLYCLEANFILES): Likewise.
12684         (script_test_4): New target.
12685         (script_test_4.stdout): New target.
12686         * testsuite/Makefile.in: Rebuild.
12687
12688         * sparc.cc: Add definitions for Output_data_plt_sparc class
12689         constants.
12690
12691 2008-04-14  David S. Miller  <davem@davemloft.net>
12692
12693         * sparc.cc: New file.
12694         * Makefile.am (TARGETSOURCES): Add sparc.cc
12695         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12696         * configure.tgt: Document targ_extra_size and
12697         targ_extra_big_endian.  Add entries for sparc-* and
12698         sparc64-*.
12699         * configure.ac: Handle targ_extra_size and
12700         targ_extra_big_endian.
12701         * Makefile.in: Rebuild.
12702         * configure: Likewise.
12703         * po/POTFILES.in: Likewise.
12704         * po/gold.pot: Likewise.
12705
12706 2008-04-14  Ian Lance Taylor  <iant@google.com>
12707
12708         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12709         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12710         in the name/type/flags to section mapping.  Don't call
12711         allocate_output_section.
12712         (Layout::choose_output_section): Change parameter from adjust_name
12713         to is_input_section.  Don't permit input sections after sections
12714         are attached to segments.  Don't call allocate_output_section.
12715         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12716         not write_enable_output_section.
12717         (Layout::make_output_section): Don't push to
12718         unattached_section_list_ nor call attach_to_segment.  Call
12719         attach_section_to_segment if sections are attached.
12720         (Layout::attach_sections_to_segments): New function.
12721         (Layout::attach_section_to_segment): New function.
12722         (Layout::attach_allocated_section_to_segment): Rename from
12723         attach_to_segment.  Remove flags parameter.
12724         (Layout::allocate_output_section): Remove function.
12725         (Layout::write_enable_output_section): Remove function.
12726         * layout.h (class Layout): Update for above changes.  Add new
12727         field sections_are_attached_.
12728         * output.h (Output_section::update_flags_for_input_section): New
12729         function.
12730         * output.cc (Output_section::add_input_section): Call
12731         update_flags_for_input_section.
12732         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12733
12734 2008-04-11  Cary Coutant  <ccoutant@google.com>
12735
12736         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12737         thought unnecessary.
12738         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12739
12740 2008-04-11  Ian Lance Taylor  <iant@google.com>
12741
12742         * output.h (class Output_section_data): Remove inline definition
12743         of set_addralign.
12744         * output.cc (Output_section_data::set_addralign): New function.
12745
12746 2008-04-11  Cary Coutant  <ccoutant@google.com>
12747
12748         Add support for TLS descriptors for i386 and x86_64.
12749         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12750         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12751         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12752         GOT_TYPE_TLS_DESC.
12753         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12754         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12755         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12756         relocations.
12757         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12758         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12759         Fix problem with initial-exec relocations.
12760         (Target_i386::Relocate::relocate_tls): Likewise.
12761         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12762         relaxation.
12763         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12764         support for section-plus-offset dynamic table entries.
12765         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12766         (Output_data_dynamic::Dynamic_entry): Add support for
12767         section-plus-offset dynamic table entries.
12768         (Output_data_dynamic::Classification): Likewise.
12769         (Output_data_dynamic::classification_): Renamed offset_.
12770         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12771         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12772         (Target_x86_64::make_plt_section): New function.
12773         (Target_x86_64::reserve_tlsdesc_entries): New function.
12774         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12775         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12776         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12777         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12778         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12779         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12780         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12781         add extra PLT entry for TLS descriptors.
12782         (Output_data_plt_x86_64::got_): New field.
12783         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12784         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12785         fields.
12786         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12787         descriptors.
12788         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12789         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12790         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12791         R_386_TLS_DESC_CALL relocations.
12792         (Target_x86_64::Scan::global): Likewise.
12793         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12794         for TLS descriptors.
12795         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12796         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12797         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12798         GD-to-IE relaxation.
12799         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12800         and TLS_DESCRIPTORS.
12801         * Makefile.in: Rebuild.
12802         * configure: Rebuild.
12803         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12804         (tls_test_shared2.so): New target.
12805         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12806         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12807         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12808         (tls_shared_gd_to_ie_test_LDADD): New variable.
12809         (tls_shared_gnu2_gd_to_ie_test): New target.
12810         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12811         New targets.
12812         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12813         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12814         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12815         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12816         (tls_shared_gnu2_test): New target.
12817         (tls_test_gnu2_shared.so): New target.
12818         (tls_shared_gnu2_test_SOURCES): New variable.
12819         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12820         (tls_shared_gnu2_test_LDFLAGS): New variable.
12821         (tls_shared_gnu2_test_LDADD): New variable.
12822         * testsuite/Makefile.in: Rebuild.
12823         * testsuite/Makefile.
12824
12825 2008-04-11  Ian Lance Taylor  <iant@google.com>
12826
12827         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12828         justsyms.t.
12829         * testsuite/Makefile.in: Rebuild.
12830
12831         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12832         long.
12833         * testsuite/script_test_2.cc (main): Adjust test.
12834
12835 2008-04-11  David S. Miller  <davem@davemloft.net>
12836             Ian Lance Taylor  <iant@google.com>
12837
12838         * options.h (General_options): Add entries for '-Y' and
12839         '-relax'.
12840         * options.cc (General_options:finalize): If -Y was used, add those
12841         entries to the library path instead of the default "/lib" and
12842         "/usr/lib".
12843
12844 2008-04-11  David S. Miller  <davem@davemloft.net>
12845
12846         * testsuite/justsyms.t: Start at 0x100.
12847         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12848         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12849         long.
12850         * testsuite/script_test_2.cc: Adjust string and section length
12851         checks.
12852
12853 2008-04-09  Ian Lance Taylor  <iant@google.com>
12854
12855         PR gold/5996
12856         * script-sections.cc (Sections_element::allocate_to_segment): Add
12857         orphan parameter.
12858         (Output_section_definition::allocate_to_segment): Likewise.
12859         (Orphan_output_section::allocate_to_segment): Likewise.
12860         (Script_sections::attach_sections_using_phdrs_clause): Don't
12861         propagate non-PT_LOAD segments to orphan sections.
12862         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12863         readelf rather than objdump.
12864         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12865         .interp section and PT_INTERP segment are the same size.
12866         * testsuite/Makefile.in: Rebuild.
12867
12868         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12869         aliases for symbols defined in the same object.
12870         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12871         (weak_alias_test_SOURCES): New variable.
12872         (weak_alias_test_DEPENDENCIES): New variable.
12873         (weak_alias_test_LDFLAGS): New variable.
12874         (weak_alias_test_LDADD): New variable.
12875         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12876         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12877         (weak_alias_test_3.o): New target.
12878         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12879         * testsuite/weak_alias_test_main.cc: New file.
12880         * testsuite/weak_alias_test_1.cc: New file.
12881         * testsuite/weak_alias_test_2.cc: New file.
12882         * testsuite/weak_alias_test_3.cc: New file.
12883
12884 2008-04-08  Ian Lance Taylor  <iant@google.com>
12885
12886         * options.h (class General_options): Add --noinhibit-exec option.
12887         * main.cc (main): Check --noinhibit-exec.
12888
12889         * options.h (class General_options): Define --wrap as a special
12890         option.  Add wrap_symbols_ field.
12891         (General_options::any_wrap_symbols): New function.
12892         (General_options::is_wrap_symbol): New function.
12893         * options.cc (General_options::parse_wrap): New function.
12894         (General_options::General_options): Initialize wrap_symbols_.
12895         * symtab.cc (Symbol_table::wrap_symbol): New function.
12896         (Symbol_table::add_from_object): Handle --wrap.
12897         * symtab.h (class Symbol_table): Declare wrap_symbol.
12898         * target.h (Target::wrap_char): New function.
12899         (Target::Target_info): Add wrap_char field.
12900         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12901         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12902         * testsuite/testfile.cc (Target_test::test_target_info):
12903         Likewise.
12904
12905         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12906         there is one.
12907
12908         * layout.h (class Layout): Add added_eh_frame_data_ field.
12909         * layout.cc (Layout::Layout): Initialize new field.
12910         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12911         output section until we find a section we merged successfully.
12912         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12913         that the size be non-zero.
12914
12915         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12916         qualifier.
12917
12918 2008-04-08  Craig Silverstein  <csilvers@google.com>
12919
12920         * configure.ac: Export new conditional variable HAVE_ZLIB.
12921         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12922         on HAVE_ZLIB.
12923         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12924         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12925
12926 2008-04-07  Ian Lance Taylor  <iant@google.com>
12927
12928         * version.cc (version_string): Set to "1.5".
12929
12930         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12931         Add issued_non_pic_error_ field.  Declare check_non_pic.
12932         (Target_x86_64::Scan::check_non_pic): New function.
12933         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12934         (Target_x86_64::Scan::global): Likewise.
12935
12936         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12937         addend parameter.  Change caller.  Handle merge sections.
12938         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12939         Address to Addend.  Don't add in the result of
12940         local_section_offset, pass down the addend and use the returned
12941         value.
12942         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12943         Update declarations of local_section_offset and symbol_value.
12944         * testsuite/two_file_test_1.cc (t18): New function.
12945         * testsuite/two_file_test_2.cc (f18): New function.
12946         * testsuite/two_file_test_main.cc (main): Call t18.
12947         * testsuite/two_file_test.h (t18, f18): Declare.
12948
12949         * configure.ac: Don't test for objdump, c++filt, or readelf.
12950         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12951         conditionals.
12952         (TEST_READELF): New variable.
12953         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12954         (check_PROGRAMS): Add two_file_strip_test.
12955         (two_file_strip_test): New target.
12956         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12957         (two_file_same_shared_strip_test_SOURCES): New variable.
12958         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12959         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12960         (two_file_same_shared_strip_test_LDADD): New variable.
12961         (two_file_shared_strip.so): New target.
12962         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12963         (ver_test_5.syms, ver_test_7.syms): Likewise.
12964         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12965         (strip_test_3.stdout): Use TEST_OBJDUMP.
12966         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12967
12968 2008-04-04  Cary Coutant  <ccoutant@google.com>
12969
12970         * symtab.h (Symbol::is_weak_undefined): New function.
12971         (Symbol::is_strong_undefined): New function.
12972         (Symbol::is_absolute): New function.
12973         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12974         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12975         absolute symbols.
12976         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12977         (weak_undef_test): New target.
12978         * testsuite/Makefile.in: Rebuild.
12979         * testsuite/weak_undef_file1.cc: New file.
12980         * testsuite/weak_undef_file2.cc: New file.
12981         * testsuite/weak_undef_test.cc: New file.
12982
12983 2008-04-03  Craig Silverstein  <csilvers@google.com>
12984
12985         * compressed_output.h (class Output_compressed_section): Use
12986         unsigned buffer.
12987         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12988         add zlib header.
12989         (zlib_compressed_suffix): Removed.
12990         (Output_compressed_section::set_final_data_size): Use unsigned
12991         buffers.
12992         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12993         Fix linker invocation.
12994         (flagstest_o_specialfile_and_compress_debug_sections):
12995         Likewise.
12996         * testsuite/Makefile.in: Regenerated.
12997
12998 2008-04-02  David S. Miller  <davem@davemloft.net>
12999
13000         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13001         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13002
13003 2008-04-02  Craig Silverstein  <csilvers@google.com>
13004
13005         * TODO: New file.
13006
13007 2008-04-02  Ian Lance Taylor  <iant@google.com>
13008
13009         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13010         parameters.  Update for new key type to views_.  Change all
13011         callers.
13012         (File_read::read): Adjust for byteshift in returned view.
13013         (File_read::add_view): New function, broken out of
13014         find_and_make_view.
13015         (File_read::make_view): New function, broken out of
13016         find_and_make_view.
13017         (File_read::find_or_make_view): Add offset and aligned
13018         parameters.  Rewrite accordingly.  Change all callers.
13019         (File_read::get_view): Add offset and aligned parameters.  Adjust
13020         for byteshift in return value.
13021         (File_read::get_lasting_view): Likewise.
13022         * fileread.h (class File_read): Update declarations.
13023         (class File_read::View): Add byteshift_ field.  Add byteshift to
13024         constructor.  Add byteshift method.
13025         * archive.h (Archive::clear_uncached_views): New function.
13026         (Archive::get_view): Add aligned parameter.  Change all callers.
13027         * object.h (Object::get_view): Add aligned parameter.  Change all
13028         callers.
13029         (Object::get_lasting_view): Likewise.
13030
13031         * fileread.cc (File_read::release): Don't call clear_views if
13032         there are multiple objects.
13033         * fileread.h (File_read::clear_uncached_views): New function.
13034         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13035         on the archive.
13036
13037 2008-03-31  Cary Coutant  <ccoutant@google.com>
13038
13039         Add thin archive support.
13040         * archive.cc (Archive::armagt): New const.
13041         (Archive::setup): Remove task parameter and calls to unlock.
13042         (Archive::unlock_nested_archives): New function.
13043         (Archive::read_header): Add nested_off parameter. Change
13044         all callers.
13045         (Archive::interpret_header): Likewise.
13046         (Archive::include_all_members): Change to handle thin
13047         archives.
13048         (Archive::include_member): Likewise.
13049         * archive.h (Archive::Archive): Add new parameters and
13050         initializers.
13051         (Archive::armagt): New const.
13052         (Archive::setup): Remove task parameter.
13053         (Archive::unlock_nested_archives): New function.
13054         (Archive::read_header): Add nested_off parameter.
13055         (Archive::interpret_header): Likewise.
13056         (Archive::Nested_archive_table): New typedef.
13057         (Archive::is_thin_archive_): New field.
13058         (Archive::nested_archives_): New field.
13059         (Archive::options_): New field.
13060         (Archive::dirpath_): New field.
13061         (Archive::task_): New field.
13062         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13063         for thin archives.  Pass additional parameters to
13064         Archive::Archive.  Unlock the archive file after calling
13065         Archive::setup.
13066
13067 2008-03-29  Ian Lance Taylor  <iant@google.com>
13068
13069         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13070         version symbol to be local.
13071         * testsuite/ver_test_4.sh: New file.
13072         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13073         (check_DATA): Add ver_test_4.syms.
13074         (ver_test_4.syms): New target.
13075         * testsuite/Makefile.in: Rebuild.
13076
13077         * output.cc
13078         (Output_section::Input_section_sort_entry::has_priority): New
13079         function.
13080         (Output_section::Input_section_sort_entry::match_file_name): New
13081         function.
13082         (Output_section::Input_section_sort_entry::match_section_name):
13083         Remove.
13084         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13085         Remove.
13086         (Output_section::Input_section_sort_entry::match_section_file):
13087         Remove.
13088         (Output_section::Input_section_sort_compare::operator()): Rewrite
13089         using new Input_section_sort_entry functions.  Sort crtbegin and
13090         crtend first.  Sort sections with no priority before sections with
13091         a priority.
13092         * testsuite/initpri1.c (d3): Check j != 4.
13093         (cd5): New constructor/destructor function.
13094         (main): Check j != 2.
13095
13096         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13097         new symbol when resolving, don't call set_is_default.
13098         * testsuite/ver_test_7.cc: New file.
13099         * testsuite/ver_test_7.sh: New file.
13100         * testsuite/Makefile.am (ver_test_7.so): New target.
13101         (ver_test_7.o): New target.
13102         (check_SCRIPTS): Add ver_test_7.sh.
13103         (check_DATA): Add ver_test_7.syms.
13104         (ver_test_7.syms): New target.
13105
13106 2008-03-28  Ian Lance Taylor  <iant@google.com>
13107
13108         * layout.cc (Layout::layout): If we see an input section with a
13109         name that needs sorting, set the must_sort flag for the output
13110         section.
13111         (Layout::make_output_section): If the name of the output section
13112         indicates that it might require sorting, set the may_sort flag.
13113         * output.h (Output_section::may_sort_attached_input_sections): New
13114         function.
13115         (Output_section::set_may_sort_attached_input_sections): New
13116         function.
13117         (Output_section::must_sort_attached_input_sections): New
13118         function.
13119         (Output_section::set_must_sort_attached_input_sections): New
13120         function.
13121         (class Output_section): Declare Input_section_sort_entry.  Define
13122         Input_section_sort_compare.  Declare
13123         sort_attached_input_sections.  Add new fields:
13124         may_sort_attached_input_sections_,
13125         must_sort_attached_input_sections_,
13126         attached_input_sections_are_sorted_.
13127         * output.cc (Output_section::Output_section): Initialize new
13128         fields.
13129         (Output_section::add_input_section): Add an entry to
13130         input_sections_ if may_sort or must_sort are true.
13131         (Output_section::set_final_data_size): Call
13132         sort_attached_input_sections if necessary.
13133         (Output_section::Input_section_sort_entry): Define new class.
13134         (Output_section::Input_section_sort_compare::operator()): New
13135         function.
13136         (Output_section::sort_attached_input_sections): New function.
13137         * configure.ac: Check whether the compiler supports constructor
13138         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13139         * testsuite/initpri1.c: New file.
13140         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13141         CONSTRUCTOR_PRIORITY.
13142         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13143         (initpri1_LDFLAGS): New variable.
13144         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13145
13146 2008-03-27  Ian Lance Taylor  <iant@google.com>
13147
13148         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13149         * testsuite/common_test_1.c: New file.
13150         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13151         (common_test_1_SOURCES): New variable.
13152         (common_test_1_DEPENDENCIES): New variable.
13153         (common_test_1_LDFLAGS): New variable.
13154
13155         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13156         and commons_ correctly when NAME/VERSION does not override
13157         NAME/NULL.
13158         * testsuite/ver_test_6.c: New file.
13159         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13160         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13161         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13162
13163 2008-03-26  Ian Lance Taylor  <iant@google.com>
13164
13165         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13166         of an undefined symbol from a version script.
13167         * testsuite/Makefile.am (ver_test_5.so): New target.
13168         (ver_test_5.o): New target.
13169         (check_SCRIPTS): Add ver_test_5.sh.
13170         (check_DATA): Add ver_test_5.syms.
13171         (ver_test_5.syms): New target.
13172         * testsuite/ver_test_5.cc: New file.
13173         * testsuite/ver_test_5.script: New file.
13174         * testsuite/ver_test_5.sh: New file.
13175         * Makefile.in, testsuite/Makefile.in: Rebuild.
13176
13177         PR gold/5986
13178         Fix problems building gold with gcc 4.3.0.
13179         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13180         (gold_error_at_location, gold_warning_at_location): Use it.
13181         * configure.ac: Check whether we can compile and use a template
13182         function with a printf attribute.
13183         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13184         when jumping over bytes.
13185         * object.cc: Instantiate Object::read_section_data.
13186         * debug.h: Include <cstring>
13187         * dwarf_reader.cc: Include <algorithm>
13188         * main.cc: Include <cstring>.
13189         * options.cc: Include <cstring>.
13190         * output.cc: Include <cstring>.
13191         * script.cc: Include <cstring>.
13192         * script.h: Include <string>.
13193         * symtab.cc: Include <cstring> and <algorithm>.
13194         * target-select.cc: Include <cstring>.
13195         * version.cc: Include <string>.
13196         * testsuite/testmain.cc: Include <cstdlib>.
13197         * configure, config.in: Rebuild.
13198
13199 2008-03-25  Ian Lance Taylor  <iant@google.com>
13200
13201         * options.cc: Include "../bfd/bfdver.h".
13202         (options::help): Print bug reporting address.
13203
13204         * version.cc (print_version): Adjust output for current value of
13205         BFD_VERSION_STRING.
13206
13207         * NEWS: New file.
13208
13209         * options.cc (options::help): Print list of supported targets.
13210         * target-select.h: Include <vector>.
13211         (class Target_selector): Make machine_, size_, and is_big_endian_
13212         fields const.  Add bfd_name_ and instantiated_target_ fields.
13213         (Target_selector::Target_selector): Add bfd_name parameter.
13214         (Target_selector::recognize): Make non-virtual, call
13215         do_recognize.
13216         (Target_selector::recognize_by_name): Make non-virtual, call
13217         do_recognize_by_name.
13218         (Target_selector::supported_names): New function.
13219         (Target_selector::bfd_name): New function.
13220         (Target_selector::do_instantiate_target): New pure virtual
13221         function.
13222         (Target_selector::do_recognize): New virtual function.
13223         (Target_selector::do_recognize_by_name): New virtual function.
13224         (Target_selector::instantiate_target): New private function.
13225         (supported_target_names): Declare.
13226         * target-select.cc (Target_selector::Target_selector): Update for
13227         new parameter and fields.
13228         (select_target_by_name): Check that the name matches before
13229         calling recognize_by_name.
13230         (supported_target_names): New function.
13231         * i386.cc (class Target_selector_i386): Update Target_selector
13232         constructor call.  Remove recognize and recognize_by_name.  Add
13233         do_instantiate_target.
13234         * x86_64.cc (class Target_selector_x86_64): Likewise.
13235         * testsuite/testfile.cc (class Target_selector_test): Update for
13236         changes to Target_selector.
13237
13238         * README: Rewrite, with some notes on unsupported features.
13239
13240 2008-03-24  Cary Coutant  <ccoutant@google.com>
13241
13242         * i386.cc (Target_i386::Got_type): New enum declaration.
13243         (Target_i386::Scan::local): Updated callers of Output_data_got
13244         member functions.
13245         (Target_i386::Scan::global): Likewise.
13246         (Target_i386::Relocate::relocate): Likewise.
13247         (Target_i386::Relocate::relocate_tls): Likewise.
13248         * object.h (Got_offset_list): New class.
13249         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13250         (Sized_relobj::local_got_offset): Likewise.
13251         (Sized_relobj::set_local_got_offset): Likewise.
13252         (Sized_relobj::local_has_tls_got_offset): Removed.
13253         (Sized_relobj::local_tls_got_offset): Removed.
13254         (Sized_relobj::set_local_tls_got_offset): Removed.
13255         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13256         * output.cc (Output_data_got::add_global): Added got_type parameter.
13257         (Output_data_got::add_global_with_rel): Likewise.
13258         (Output_data_got::add_global_with_rela): Likewise.
13259         (Output_data_got::add_global_pair_with_rel): New function.
13260         (Output_data_got::add_global_pair_with_rela): New function.
13261         (Output_data_got::add_local): Added got_type parameter.
13262         (Output_data_got::add_local_with_rel): Likewise.
13263         (Output_data_got::add_local_with_rela): Likewise.
13264         (Output_data_got::add_local_pair_with_rel): New function.
13265         (Output_data_got::add_local_pair_with_rela): New function.
13266         (Output_data_got::add_global_tls): Removed.
13267         (Output_data_got::add_global_tls_with_rel): Removed.
13268         (Output_data_got::add_global_tls_with_rela): Removed.
13269         (Output_data_got::add_local_tls): Removed.
13270         (Output_data_got::add_local_tls_with_rel): Removed.
13271         (Output_data_got::add_local_tls_with_rela): Removed.
13272         * output.h (Output_data_got::add_global): Added got_type parameter.
13273         (Output_data_got::add_global_with_rel): Likewise.
13274         (Output_data_got::add_global_with_rela): Likewise.
13275         (Output_data_got::add_global_pair_with_rel): New function.
13276         (Output_data_got::add_global_pair_with_rela): New function.
13277         (Output_data_got::add_local): Added got_type parameter.
13278         (Output_data_got::add_local_with_rel): Likewise.
13279         (Output_data_got::add_local_with_rela): Likewise.
13280         (Output_data_got::add_local_pair_with_rel): New function.
13281         (Output_data_got::add_local_pair_with_rela): New function.
13282         (Output_data_got::add_global_tls): Removed.
13283         (Output_data_got::add_global_tls_with_rel): Removed.
13284         (Output_data_got::add_global_tls_with_rela): Removed.
13285         (Output_data_got::add_local_tls): Removed.
13286         (Output_data_got::add_local_tls_with_rel): Removed.
13287         (Output_data_got::add_local_tls_with_rela): Removed.
13288         * resolve.cc (Symbol::override_base_with_special): Removed
13289         reference to has_got_offset_ field.
13290         * symtab.cc (Symbol::init_fields): Replaced initialization
13291         of got_offset_ with got_offsets_.  Removed initialization
13292         of has_got_offset_
13293         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13294         (Symbol::got_offset): Likewise.
13295         (Symbol::set_got_offset): Likewise.
13296         (Symbol::has_tls_got_offset): Removed.
13297         (Symbol::tls_got_offset): Removed.
13298         (Symbol::set_tls_got_offset): Removed.
13299         (Symbol::got_offset_): Removed.
13300         (Symbol::tls_mod_got_offset_): Removed.
13301         (Symbol::tls_pair_got_offset_): Removed.
13302         (Symbol::got_offsets_): New field.
13303         (Symbol::has_got_offset): Removed.
13304         (Symbol::has_tls_mod_got_offset): Removed.
13305         (Symbol::has_tls_pair_got_offset): Removed.
13306         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13307         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13308         member functions.
13309         (Target_x86_64::Scan::global): Likewise.
13310         (Target_x86_64::Relocate::relocate): Likewise.
13311         (Target_x86_64::Relocate::relocate_tls): Likewise.
13312
13313 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13314
13315         * yyscript.y: Fix spelling error in comment.
13316
13317 2008-03-24  Ian Lance Taylor  <iant@google.com>
13318
13319         * options.h (class General_options): Define build_id option.
13320         * layout.h (class Layout): Declare write_build_id, create_note,
13321         create_build_id.  Add build_id_note_ member.
13322         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13323         "libiberty.h", "md5.h", "sha1.h".
13324         (Layout::Layout): Initialize eh_frame_data_,
13325         eh_frame_hdr_section_, and build_id_note_.
13326         (Layout::finalize): Call create_build_id.
13327         (Layout::create_note): New function, broken out of
13328         Layout::create_gold_note.
13329         (Layout::create_gold_note): Call create_note.
13330         (Layout::create_build_id): New function.
13331         (Layout::write_build_id): New function.
13332         (Close_task_runner::run): Call write_build_id.
13333
13334         * x86_64.cc: Correct license to GPLv3.
13335
13336 2008-03-23  Ian Lance Taylor  <iant@google.com>
13337
13338         * options.cc: Include "demangle.h".
13339         (parse_optional_string): New function.
13340         (parse_long_option): Handle takes_optional_argument.
13341         (parse_short_option): Update dash_z initializer.  Handle
13342         takes_optional_argument.
13343         (General_options::General_options): Initialize do_demangle_.
13344         (General_options::finalize): Set do_demangle_.  Handle demangling
13345         style.
13346         * options.h (parse_optional_string): Declare.
13347         (struct One_option): Add optional_arg field.  Update constructor.
13348         Update call constructor calls.  Add takes_optional_argument
13349         function.
13350         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13351         (DEFINE_optional_string): Define.
13352         (General_options::demangle): Change from DEFINE_bool to
13353         DEFINE_optional_string.
13354         (General_options::no_demangle): New function.
13355         (General_options::do_demangle): New function.
13356         (General_options::set_do_demangle): New function.
13357         (General_options::execstack_status_): Move definition to end of
13358         class definition.
13359         (General_options::static_): Likewise.
13360         (General_options::do_demangle_): New field.
13361         * object.cc (big_endian>::get_symbol_location_info): Call
13362         Options::do_demangle, not Options::demangle.
13363         * symtab.cc (demangle): Likewise.
13364
13365 2008-03-22  Ian Lance Taylor  <iant@google.com>
13366
13367         * gold.h: Include <cstddef> and <sys/types.h>
13368         * options.h: Include <cstring>.
13369
13370 2008-03-21  Ian Lance Taylor  <iant@google.com>
13371
13372         * Added source code to GNU binutils.