gold/ChangeLog

   1 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
   2
   3         * symtab.cc (Symbol_table::define_special_symbol):
   4         Initialize *poldsym to prevent uninitialized variable errors.
   5
   6 2012-05-23  Cary Coutant  <ccoutant@google.com>
   7
   8         * layout.cc (Layout::section_name_mapping): Add rules to handle
   9         exact match on .data.rel.ro.local or .data.rel.ro.
  10         (Layout::output_section_name): Check for exact matches.
  11
  12 2012-05-23  Cary Coutant  <ccoutant@google.com>
  13
  14         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
  15         more carefully.
  16
  17 2012-05-22  Cary Coutant  <ccoutant@google.com>
  18
  19         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
  20         object before exporting symbol.
  21
  22 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
  23
  24         * testsuite/tls_test.cc: Include "config.h" first.
  25         * testsuite/tls_test_c.c: Likewise.
  26
  27 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
  28             Nick Clifton  <nickc@redhat.com>
  29
  30         PR 14072
  31         * configure.in: Add check that sysdep.h has been included before
  32         any system header files.
  33         * configure: Regenerate.
  34         * config.in: Regenerate.
  35
  36 2012-05-14  Cary Coutant  <ccoutant@google.com>
  37
  38         * layout.cc (Layout::make_output_section): Mark .tdata section
  39         as RELRO.
  40         * testsuite/relro_test.cc: Add a TLS variable.
  41
  42 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
  43
  44         PR gold/14091
  45         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
  46         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
  47         R_X86_64_64.
  48
  49 2012-05-08  Cary Coutant  <ccoutant@google.com>
  50
  51         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
  52         (lines_only_debug_sections): Likewise.
  53
  54 2012-05-02  Roland McGrath  <mcgrathr@google.com>
  55
  56         * nacl.cc: New file.
  57         * nacl.h: New file.
  58         * Makefile.am (CCFILES, HFILES): Add them.
  59         * Makefile.in: Regenerate.
  60         * i386.cc (Output_data_plt_i386_nacl): New class.
  61         (Output_data_plt_i386_nacl_exec): New class.
  62         (Output_data_plt_i386_nacl_dyn): New class.
  63         (Target_i386_nacl): New class.
  64         (Target_selector_i386_nacl): New class.
  65         (target_selector_i386): Use it instead of Target_selector_i386.
  66         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
  67         (Target_x86_64_nacl): New class.
  68         (Target_selector_x86_64_nacl): New class.
  69         (target_selector_x86_64, target_selector_x32): Use it instead of
  70         Target_selector_x86_64.
  71         * arm.cc (Output_data_plt_arm_nacl): New class.
  72         (Target_arm_nacl): New class.
  73         (Target_selector_arm_nacl): New class.
  74         (target_selector_arm, target_selector_armbe): Use it instead of
  75         Target_selector_arm.
  76
  77         * target-select.cc (select_target): Take new Input_file* and off_t
  78         arguments, pass them on to recognize method of selector.
  79         * object.cc (make_elf_sized_object): Update caller.
  80         * parameters.cc (parameters_force_valid_target): Likewise.
  81         * incremental.cc (make_sized_incremental_binary): Likewise.
  82         * target-select.h: Update decl.
  83         (Target_selector::recognize): Take new Input_file* argument,
  84         pass it on to do_recognize.
  85         (Target_selector::do_recognize): Take new Input_file* argument.
  86         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
  87         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
  88         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
  89         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
  90
  91         * target.h (Target::Target_info): New members isolate_execinstr
  92         and rosegment_gap.
  93         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
  94         * arm.cc (Target_arm::arm_info): Update initializer.
  95         * i386.cc (Target_i386::i386_info): Likewise.
  96         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
  97         * sparc.cc (Target_sparc::sparc_info): Likewise.
  98         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
  99         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 100         * layout.cc (Layout::attach_allocated_section_to_segment):
 101         Take new const Target* argument.  If target->isolate_execinstr(), act
 102         like --rosegment.
 103         (Layout::find_first_load_seg): Take new const Target* argument;
 104         if target->isolate_execinstr(), reject PF_X segments.
 105         (Layout::relaxation_loop_body): Update caller.
 106         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 107         reset file offset to zero when we hit LOAD_SEG, and then do a second
 108         loop over the segments before LOAD_SEG to reassign offsets after
 109         addresses have been determined.  Handle target->rosegment_gap().
 110         (Layout::attach_section_to_segment): Take new const Target* argument;
 111         pass it to attach_allocated_section_to_segment.
 112         (Layout::make_output_section): Update caller.
 113         (Layout::attach_sections_to_segments): Take new const Target* argument;
 114         pass it to attach_section_to_segment.
 115         * gold.cc (queue_middle_tasks): Update caller.
 116         * layout.h (Layout): Update method decls with new arguments.
 117
 118         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 119         Target_info pointer to use.
 120         (Target_arm::do_make_data_plt): New virtual method.
 121         (Target_arm::make_data_plt): New method that calls it.
 122         (Target_arm::make_plt_entry): Use it.
 123         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 124         for the section alignment.
 125         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 126         method.
 127         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 128         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 129         method.
 130         (Output_data_plt_arm::get_plt_entry_size): Call it.
 131         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 132         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 133         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 134         method.
 135         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 136         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 137         method instead of sizeof(plt_entry).
 138         (Output_data_plt_arm::add_entry): Likewise.
 139         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 140         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 141         than static method.
 142         (Target_arm::plt_entry_size): Likewise.
 143         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 144         Move to ...
 145         (Output_data_plt_arm_standard): ... here, new class.
 146         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 147         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 148         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 149
 150         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 151         Take additional argument for the PLT entry size.
 152         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 153         Use get_plt_entry_size method rather than plt_entry_size variable.
 154         (Output_data_plt_x86_64::reserve_slot): Likewise.
 155         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 156         (Output_data_plt_x86_64::add_entry): Likewise.
 157         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 158         (Output_data_plt_x86_64::address_for_global): Likewise.
 159         (Output_data_plt_x86_64::address_for_local): Likewise.
 160         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 161         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 162         Make method non-static.
 163         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 164         method.
 165         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 166         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 167         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 168         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 169         virtual method.
 170         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 171         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 172         virtual method.
 173         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 174         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 175         virtual method.
 176         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 177         (Output_data_plt_x86_64::plt_entry_size)
 178         (Output_data_plt_x86_64::first_plt_entry)
 179         (Output_data_plt_x86_64::plt_entry)
 180         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 181         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 182         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 183         (Output_data_plt_x86_64_standard): ... here, new class.
 184         (Target_x86_64::Target_x86_64): Take optional argument for the
 185         Target_info pointer to use.
 186         (Target_x86_64::do_make_data_plt): New virtual method.
 187         (Target_x86_64::make_data_plt): New method to call it.
 188         (Target_x86_64::init_got_plt_for_update): Use that.
 189         Call this->plt_->add_eh_frame method here.
 190         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 191         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 192         rather than static method.
 193         (Target_x86_64::plt_entry_size): Likewise.
 194         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 195         rather than plt_entry_size variable.  Move guts of PLT filling to...
 196         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 197         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 198         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 199
 200         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 201         additional argument for the section alignment.
 202         Don't do add_eh_frame_for_plt here.
 203         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 204         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 205         variable.
 206         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 207         method.
 208         (Output_data_plt_i386::get_plt_entry_size): Call it.
 209         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 210         (Output_data_plt_i386::add_eh_frame): New method to call it.
 211         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 212         method.
 213         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 214         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 215         method.
 216         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 217         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 218         method instead of plt_entry_size.
 219         (Output_data_plt_i386::plt_entry_size)
 220         (Output_data_plt_i386::plt_eh_frame_fde_size)
 221         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 222         (Output_data_plt_i386_standard): ... here, new class.
 223         (Output_data_plt_i386_exec): New class.
 224         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 225         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 226         (Output_data_plt_i386::exec_plt_entry): Move to ...
 227         (Output_data_plt_i386_exec::plt_entry): ... here.
 228         (Output_data_plt_i386_dyn): New class.
 229         (Output_data_plt_i386::first_plt_entry): Move to ...
 230         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 231         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 232         (Output_data_plt_i386_dyn::plt_entry): ... here.
 233         (Target_i386::Target_i386): Take optional argument for the Target_info
 234         pointer to use.
 235         (Target_i386::do_make_data_plt): New virtual method.
 236         (Target_i386::make_data_plt): New method to call it.
 237         (Target_i386::make_plt_section): Use that.
 238         Call this->plt_->add_eh_frame method here.
 239         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 240         rather than plt_entry_size variable.
 241         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 242         (Output_data_plt_i386::address_for_local): Likewise.
 243         (Output_data_plt_i386::do_write): Likewise.
 244         Move guts of PLT filling to...
 245         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 246         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 247         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 248         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 249
 250 2012-05-01  Cary Coutant  <ccoutant@google.com>
 251
 252         * dwarf_reader.cc (Dwarf_die::read_attributes)
 253         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 254         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 255         * reduced_debug_output.cc
 256         (Output_reduced_debug_info_section::get_die_end): Remove
 257         DW_FORM_GNU_ref_index.  Add default case.
 258
 259 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 260
 261         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 262         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 263         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 264         DW_AT_high_pc as offset from DW_AT_low_pc.
 265
 266         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 267         * testsuite/Makefile.in: Regenerate.
 268         * testsuite/gdb_index_test_3.c: New test source file.
 269         * testsuite/gdb_index_test_3.sh: New test source file.
 270
 271 2012-04-25  Ian Lance Taylor  <iant@google.com>
 272
 273         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 274         pointer.
 275         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 276         as a class, not a struct.
 277         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 278         (Target_arm::apply_cortex_a8_workaround): Likewise.
 279         * gc.h: Declare Reloc_types as a struct, not a class.
 280         * object.h: Declare Symbols_data as a struct.
 281         * reloc.h: Declare Read_relocs_data as a struct.
 282         * target.h: Declare Relocate_info as a struct.
 283
 284 2012-04-24  David S. Miller  <davem@davemloft.net>
 285
 286         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 287         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 288         and R_SPARC_WPLT30.
 289
 290 2012-04-24  Cary Coutant  <ccoutant@google.com>
 291
 292         * incremental-dump.cc (find_input_containing_global): Replace
 293         magic number with symbolic constant.
 294         (dump_incremental_inputs): Update version number.
 295         * incremental.cc (Output_section_incremental_inputs): Update version
 296         number; import symbolic constants from Incremental_inputs_reader.
 297         (Incremental_inputs::create_data_sections): Align relocations
 298         section correctly for 64-bit targets.
 299         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 300         constants; add padding.
 301         (Output_section_incremental_inputs::write_header): Add assert for
 302         header_size.
 303         (Output_section_incremental_inputs::write_input_files): Add assert
 304         for input_entry_size.
 305         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 306         add assert for object_info_size, input_section_entry_size,
 307         global_sym_entry_size.
 308         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 309         for data structure sizes; use them.
 310         (Incremental_input_entry_reader): Import symbolic constants from
 311         Incremental_inputs_reader; use them.
 312
 313 2012-04-23  David S. Miller  <davem@davemloft.net>
 314
 315         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 316         and elf_flags_set_.
 317         (Target_sparc::Target_sparc): Initialize new fields.
 318         (Target_sparc::do_make_elf_object): New function.
 319         (Target_sparc::do_adjust_elf_header): New function.
 320
 321 2012-04-23  Cary Coutant  <ccoutant@google.com>
 322
 323         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 324         CU range table of gdb index.
 325
 326 2012-04-20  David S. Miller  <davem@davemloft.net>
 327
 328         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 329         instead of false.
 330
 331 2012-04-16  David S. Miller  <davem@davemloft.net>
 332
 333         * sparc.cc (Target_sparc::got_address): New function.
 334         (Sparc_relocate_functions::gdop_hix22): New function.
 335         (Sparc_relocate_functions::gdop_lox10): New function.
 336         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 337         relocs.
 338         (Target_sparc::Scan::local): Likewise if the global symbol is not
 339         preemptible and is not IFUNC.
 340         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 341         transformations for local and non-preemptible non-IFUNC global
 342         symbols.
 343
 344         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 345         writing out 64-bit part of ranges.
 346
 347         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 348         -fpic and -fpie respectively.
 349         * Makefile.in: Regenerate.
 350
 351         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 352         (Target_sparc::Target_sparc): Initialize new field.
 353         (Target_sparc::do_plt_section_for_global): New function.
 354         (Target_sparc::do_plt_section_for_local): New function.
 355         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 356         (Target_sparc::make_plt_section): New function, broken out of
 357         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 358         (Target_sparc::make_plt_entry): Call make_plt_section.
 359         (Target_sparc::make_local_ifunc_plt_entry): New function.
 360         (Target_sparc::rela_ifunc_section): New function.
 361         (Target_sparc::plt_section): Remove const.
 362         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 363         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 364         and ifunc_count_ fields.
 365         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 366         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 367         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 368         (Output_data_plt_sparc::rela_ifunc): New function.
 369         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 370         (Output_data_plt_sparc::has_ifunc_section): New function.
 371         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 372         (Output_data_plt_sparc::address_for_global): New function.
 373         (Output_data_plt_sparc::address_for_local): New function.
 374         (Output_data_plt_sparc::plt_index_to_offset): New function.
 375         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 376         and entry_count.
 377         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 378         entry_count.
 379         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 380         R_SPARC_JMP_IREL to switch.
 381         (Target_sparc::Scan::check_non_pic): Likewise.
 382         (Target_sparc::Scan::local): Handle IFUNC symbols.
 383         (Target_sparc::Scan::local): Likewise.
 384         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 385         and plt_address_for_local.
 386         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 387         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 388
 389         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 390         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 391         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 392         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 393         global relocs too.
 394         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 395         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 396         calls.
 397         * sparc.cc (Target_sparc::Scan::global): Likewise.
 398         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 399
 400 2012-04-16  Cary Coutant  <ccoutant@google.com>
 401
 402         * archive.cc (Library_base::should_include_member): Check for
 403         --export-dynamic-symbol.
 404         * options.h (class General_options): Add --export-dynamic-symbol.
 405         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 406         --export-dynamic-symbol.
 407         (Symbol_table::gc_mark_undef_symbols): Likewise.
 408         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 409
 410 2012-04-12  David S. Miller  <davem@davemloft.net>
 411
 412         * sparc.cc (Reloc::wdisp10): New relocation method.
 413         (Reloc::h34): Likewise.
 414         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 415         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 416         R_SPARC_WDISP10.
 417         (Target_sparc::Scan::local): Likewise.
 418         (Target_sparc::Scan::global): Likewise.
 419         (Target_sparc::Relocate::relocate): Likewise.
 420
 421 2012-04-09  Cary Coutant  <ccoutant@google.com>
 422
 423         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 424         low_pc == 0.
 425
 426 2012-04-06  Ian Lance Taylor  <iant@google.com>
 427
 428         * timer.cc: #include <unistd.h>.
 429
 430 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 431
 432         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 433         * config.in: Regenerate.
 434         * configure: Regenerate.
 435
 436 2012-04-05  Nick Clifton  <nickc@redhat.com>
 437
 438         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 439         (AM_LC_MESSAGES): Add.
 440         * aclocal.m4: Regenerate.
 441         * config.in: Regenerate.
 442         * configure: Regenerate.
 443
 444 2012-03-21  Cary Coutant  <ccoutant@google.com>
 445
 446         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 447         * Makefile.in: Regenerate.
 448         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 449         (Sized_elf_reloc_mapper::symbol_section): New function.
 450         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 451         (make_elf_reloc_mapper): New function.
 452         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 453         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 454         (Dwarf_abbrev_table::do_get_abbrev): New function.
 455         (Dwarf_ranges_table::read_ranges_table): New function.
 456         (Dwarf_ranges_table::read_range_list): New function.
 457         (Dwarf_pubnames_table::read_section): New function.
 458         (Dwarf_pubnames_table::read_header): New function.
 459         (Dwarf_pubnames_table::next_name): New function.
 460         (Dwarf_die::Dwarf_die): New function.
 461         (Dwarf_die::read_attributes): New function.
 462         (Dwarf_die::skip_attributes): New function.
 463         (Dwarf_die::set_name): New function.
 464         (Dwarf_die::set_linkage_name): New function.
 465         (Dwarf_die::attribute): New function.
 466         (Dwarf_die::string_attribute): New function.
 467         (Dwarf_die::int_attribute): New function.
 468         (Dwarf_die::uint_attribute): New function.
 469         (Dwarf_die::ref_attribute): New function.
 470         (Dwarf_die::child_offset): New function.
 471         (Dwarf_die::sibling_offset): New function.
 472         (Dwarf_info_reader::check_buffer): New function.
 473         (Dwarf_info_reader::parse): New function.
 474         (Dwarf_info_reader::do_parse): New function.
 475         (Dwarf_info_reader::do_read_string_table): New function.
 476         (Dwarf_info_reader::lookup_reloc): New function.
 477         (Dwarf_info_reader::get_string): New function.
 478         (Dwarf_info_reader::visit_compilation_unit): New function.
 479         (Dwarf_info_reader::visit_type_unit): New function.
 480         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 481         Sized_elf_reloc_mapper.
 482         (Sized_dwarf_line_info::symbol_section): Remove function.
 483         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 484         (Sized_dwarf_line_info::read_line_mappings): Remove object
 485         parameter, adjust callers.
 486         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 487         * dwarf_reader.h: Include <sys/types.h>.
 488         (class Track_relocs): Remove forward declaration.
 489         (class Elf_reloc_mapper): New class.
 490         (class Sized_elf_reloc_mapper): New class.
 491         (class Dwarf_abbrev_table): New class.
 492         (class Dwarf_range_list): New class.
 493         (class Dwarf_ranges_table): New class.
 494         (class Dwarf_pubnames_table): New class.
 495         (class Dwarf_die): New class.
 496         (class Dwarf_info_reader): New class.
 497         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 498         (Sized_dwarf_line_info::symbol_section): Remove member function.
 499         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
 500         base class.
 501         * gdb-index.cc: New source file.
 502         * gdb-index.h: New source file.
 503         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
 504         and .debug_types sections, call Layout::add_to_gdb_index.
 505         (Sized_relobj_incr::do_section_name): Implement.
 506         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
 507         return type; Implement.
 508         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
 509         return type.
 510         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
 511         parameter list and return type.
 512         (Sized_incr_dynobj::do_section_contents): Likewise.
 513         * layout.cc: Include gdb-index.h.
 514         (Layout::Layout): Initialize gdb_index_data_.
 515         (Layout::init_fixed_output_section): Check for .gdb_index section.
 516         (Layout::add_to_gdb_index): New function. Instantiate.
 517         * layout.h: Add forward declaration for class Gdb_index.
 518         (Layout::add_to_gdb_index): New member function.
 519         (Layout::gdb_index_data_): New data member.
 520         * main.cc: Include gdb-index.h.
 521         (main): Print statistics for gdb index.
 522         * object.cc (Object::section_contents): Move code into
 523         do_section_contents.
 524         (need_decompressed_section): Check for sections needed when building
 525         gdb index.
 526         (build_compressed_section_map): Likewise.
 527         (Sized_relobj_file::do_read_symbols): Need local symbols when building
 528         gdb index.
 529         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
 530         sections; call Layout::add_to_gdb_index.
 531         (Sized_relobj_file::do_decompressed_section_contents): Call
 532         do_section_contents directly.
 533         * object.h (Object::do_section_contents): Adjust parameter list and
 534         return type.
 535         (Object::do_decompressed_section_contents): Call do_section_contents
 536         directly.
 537         (Sized_relobj_file::do_section_contents): Adjust parameter list and
 538         return type.
 539         * options.h (class General_options): Add --gdb-index option.
 540         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
 541         list and return type.
 542         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
 543         * reloc.h (Track_relocs::checkpoint): New function.
 544         (Track_relocs::reset): New function.
 545
 546         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
 547         New test cases.
 548         * testsuite/Makefile.in: Regenerate.
 549         * testsuite/gdb_index_test.cc: New test source file.
 550         * testsuite/gdb_index_test_1.sh: New test source file.
 551         * testsuite/gdb_index_test_2.sh: New test source file.
 552
 553 2012-03-19  Doug Kwan  <dougkwan@google.com>
 554
 555         * arm.cc (Target_arm::do_define_standard_symbols): New method.
 556         (Target_arm::do_finalize_sections): Remove code which defines
 557         __exidx_start and __exidx_end.  Make symbol table parameter
 558         anonymous as it is not used.
 559         * gold.cc (queue_middle_tasks): Call target hook to define any
 560         target-specific symbols.
 561         * target.h (Target::define_standard_symbols): New method.
 562         (Target::do_define_standard_symbols): Same.
 563         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
 564         * testsuite/Makefile.in: Regenerate.
 565         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
 566         and __exidx_end.
 567         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
 568         relocations are generated for __exidx_start and __exidx_end.
 569
 570 2012-03-16  Doug Kwan  <dougkwan@google.com>
 571
 572         * testsuite/Makefile.am: Disable test initpri3b.
 573         * testsuite/Makefile.in: Regenerate.
 574
 575 2012-03-15  Doug Kwan  <dougkwan@google.com>
 576
 577         * arm.cc (Target_arm::got_section): Make .got section read-only
 578         if -z now is given.
 579
 580 2012-03-15  Ian Lance Taylor  <iant@google.com>
 581
 582         PR gold/13850
 583         * layout.cc (Layout::make_output_section): Correctly mark
 584         SHT_INIT_ARRAY, et. al., as relro.
 585
 586 2012-03-14  Doug Kwan  <dougkwan@google.com>
 587
 588         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
 589         dynamic relocations for protected symbols in shared objects.
 590
 591 2012-03-13  Ian Lance Taylor  <iant@google.com>
 592
 593         * resolve.cc (Symbol_table::resolve): When merging common symbols,
 594         keep the larger alignment.
 595
 596 2012-03-12  Cary Coutant  <ccoutant@google.com>
 597
 598         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
 599         handling of DW_LNE_define_file.
 600
 601 2012-03-12  Cary Coutant  <ccoutant@google.com>
 602
 603         * reduced_debug_output.cc
 604         (Output_reduced_debug_info_section::get_die_end): Add new FORM
 605         codes to switch.
 606
 607 2012-02-29  Cary Coutant  <ccoutant@google.com>
 608
 609         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
 610
 611 2012-02-29  Cary Coutant  <ccoutant@google.com>
 612
 613         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 614         Call Object::decompressed_section_contents.
 615         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
 616         New dtor.
 617         (Sized_dwarf_line_info::buffer_start_): New data member.
 618         * merge.cc (Output_merge_data::do_add_input_section): Call
 619         Object::decompressed_section_contents.
 620         (Output_merge_string::do_add_input_section): Likewise.
 621         * object.cc (need_decompressed_section): New function.
 622         (build_compressed_section_map): Decompress sections needed later.
 623         (Sized_relobj_file::do_decompressed_section_contents): New function.
 624         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 625         * object.h (Object::decompressed_section_contents): New function.
 626         (Object::discard_decompressed_sections): New function.
 627         (Object::do_decompressed_section_contents): New function.
 628         (Object::do_discard_decompressed_sections): New function.
 629         (Compressed_section_info): New type.
 630         (Compressed_section_map): Include decompressed section contents.
 631         (Sized_relobj_file::do_decompressed_section_contents): New function.
 632         (Sized_relobj_file::do_discard_decompressed_sections): New function.
 633
 634 2012-02-16  Cary Coutant  <ccoutant@google.com>
 635
 636         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
 637         * testsuite/Makefile.in: Regenerate.
 638
 639 2012-02-14  Cary Coutant  <ccoutant@google.com>
 640
 641         * options.cc (General_options::finalize): Disallow -pie and -static.
 642
 643 2012-02-03  Doug Kwan  <dougkwan@google.com>
 644
 645         * arm.cc (Arm_relocate_functions::abs8,
 646         Arm_relocate_functions::abs16): Use
 647         Bits::has_signed_unsigned_overflow32.
 648         (Arm_relocate_functions::thm_abs8): Correct range of
 649         overflow check.
 650         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
 651         in assertions.
 652
 653 2012-02-02  Doug Kwan  <dougkwan@google.com>
 654
 655         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
 656         position independent outputs, not just shared objects.
 657
 658 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
 659
 660         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
 661         * configure: Regenerated.
 662
 663 2012-01-27  Ian Lance Taylor  <iant@google.com>
 664
 665         * reloc.h (Bits): New class with static functions, copied from
 666         namespace utils in arm.cc.
 667         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
 668         instead.
 669
 670 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 671
 672         * incremental.cc (write_info_blocks): Correct relocation offset.
 673
 674 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 675
 676         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
 677         (Relocate::tls_gd_to_le): Likewise.
 678
 679 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 680
 681         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
 682
 683 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
 684
 685         * configure.ac: Check if -mcmodel=medium works.
 686         * configure: Regenerated.
 687
 688 2012-01-24  Cary Coutant  <ccoutant@google.com>
 689
 690         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
 691         definition and ...
 692         (read_unsigned_LEB_128_x): ... this new function.
 693         (read_signed_LEB_128): Replaced with inline definition and ...
 694         (read_signed_LEB_128_x): ... this new function.
 695         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
 696         (read_unsigned_LEB_128): Add inline definition.
 697         (read_signed_LEB_128_x): New function.
 698         (read_signed_LEB_128): Add inline definition.
 699         * testsuite/Makefile.am (leb128_unittest): New unit test.
 700         * testsuite/Makefile.in: Regenerate.
 701         * testsuite/leb128_unittest.cc: New unit test.
 702
 703 2012-01-23  Ian Lance Taylor  <iant@google.com>
 704
 705         PR gold/13617
 706         * i386.cc (Target_i386::do_code_fill): When using a jmp
 707         instruction, pad with nop instructions.
 708         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 709
 710 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
 711
 712         * x86_64.cc (gc_process_relocs): Add typename on types used in
 713         template.
 714         (scan_relocs): Likewise.
 715         (relocate_section): Likewise.
 716         (apply_relocation): Likewise.
 717
 718 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
 719
 720         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
 721         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
 722         under x32.
 723
 724 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
 725
 726         * x86_64.cc: Initial support for x32.
 727
 728 2012-01-03  Cary Coutant  <ccoutant@google.com>
 729
 730         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
 731         Use abstract base class for GOT.
 732         * gold/output.h (class Output_data_got_base): New abstract base class.
 733         (class Output_data_got): Derive from new base class, adjust ctors.
 734         (Output_data_got::reserve_slot): Make virtual; rename to
 735         do_reserve_slot; Adjust callers.
 736         * gold/target.h (Sized_target::init_got_plt_for_update): Return
 737         pointer to abstract base class.
 738         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
 739
 740 2011-12-18  Ian Lance Taylor  <iant@google.com>
 741
 742         * object.h (Relobj::local_symbol_value): New function.
 743         (Relobj::local_plt_offset): New function.
 744         (Relobj::local_has_got_offset): New function.
 745         (Relobj::local_got_offset): New function.
 746         (Relobj::set_local_got_offset): New function.
 747         (Relobj::do_local_symbol_value): New pure virtual function.
 748         (Relobj::do_local_plt_offset): Likewise.
 749         (Relobj::do_local_has_got_offset): Likewise.
 750         (Relobj::do_local_got_offset): Likewise.
 751         (Relobj::do_set_local_got_offset): Likewise.
 752         (Sized_relobj::do_local_has_got_offset): Rename from
 753         local_has_got_offset.
 754         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
 755         (Sized_relobj::do_set_local_got_offset): Rename from
 756         set_local_got_offset.
 757         (Sized_relobj_file::do_local_plt_offset): Rename from
 758         local_plt_offset.
 759         (Sized_relobj_file::do_local_symbol_value): New function.
 760         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
 761         local_plt_offset.
 762         * output.cc (Output_data_got::Got_entry::write): Change object to
 763         Relobj.  Use local_symbol_value.
 764         (Output_data_got::add_global_with_rel): Change rel_dyn to
 765         Output_data_reloc_generic*.  Use add_global_generic.
 766         (Output_data_got::add_global_with_rela): Remove.  Change all
 767         callers to use add_global_with_rel.
 768         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
 769         Output_data_reloc_generic*.  Use add_global_generic.
 770         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
 771         callers to use add_global_pair_with_rel.
 772         (Output_data_got::add_local): Change object to Relobj*.
 773         (Output_data_got::add_local_plt): Likewise.
 774         (Output_data_got::add_local_with_rel): Change object to Relobj*,
 775         change rel_dyn to Output_data_reloc_generic*.  Use
 776         add_local_generic.
 777         (Output_data_got::add_local_with_rela): Remove.  Change all
 778         callers to use all_local_with_rel.
 779         (Output_data_got::add_local_pair_with_rel): Change object to
 780         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
 781         add_output_section_generic.
 782         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
 783         callers to use add_local_pair_with_rel.
 784         (Output_data_got::reserve_local): Change object to Relobj*.
 785         * output.h: (class Output_data_reloc_generic): Add pure virtual
 786         declarations for add_global_generic, add_local_generic,
 787         add_output_section_generic.
 788         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
 789         functions for Output_data_reloc_generic.  Update declarations for
 790         changes listed in output.cc.
 791         (class Output_data_got): Change template parameter to got_size.
 792         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
 793         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
 794         function.
 795         (Sized_relobj_incr::do_local_plt_offset): New function.
 796         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
 797         add_global_generic.
 798
 799 2011-12-17  Cary Coutant  <ccoutant@google.com>
 800
 801         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
 802         * resolve.cc (Symbol_table::resolve): Likewise.
 803         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
 804         arrays.
 805         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
 806
 807 2011-12-16  Ian Lance Taylor  <iant@google.com>
 808
 809         * output.h (Output_data_reloc_generic::add): Only call
 810         add_dynamic_reloc if this is a dynamic reloc section.
 811
 812 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
 813
 814         PR gold/13505
 815         * target-reloc.h (apply_relocation): Replace <64, false> with
 816         <size, big_endian>.
 817
 818 2011-11-25  Nick Clifton  <nickc@redhat.com>
 819
 820         * po/it.po: New Italian translation.
 821
 822 2011-11-17  Sterling Augustine  <saugustine@google.com>
 823
 824         * script.cc (script_include_directive): Implement.
 825         (read_script_file): New local variables name and search_path. Update
 826         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
 827         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
 828         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
 829
 830 2011-11-11  Sterling Augustine  <saugustine@google.com>
 831
 832         * yyscript.y (section_cmd): Add support for INCLUDE directive.
 833         (file_or_sections_cmd): Likewise.
 834
 835 2011-11-11  Doug Kwan  <dougkwan@google.com>
 836
 837         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
 838         if --just-symbols is given.
 839
 840 2011-11-10  Doug Kwan  <dougkwan@google.com>
 841
 842         PR gold/13362
 843         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
 844         when processing data relocs.
 845         * reloc.h (Relocate_functions::rel_unaligned): New method.
 846         (Relocate_functions::pcrel_unaligned): Ditto.
 847         (Relocate_functions::rel32_unaligned): Ditto.
 848         (Relocate_functions::pcrel32_unaligned): Ditto.
 849
 850 2011-11-09  Doug Kwan  <dougkwan@google.com>
 851
 852         PR gold/13362
 853         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
 854         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
 855         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
 856         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 857         (Relocate_functions::rel_unaligned): New.
 858         (Relocate_functions::rel32_unaligned): New.
 859         * target-reloc.h (relocate_for_relocatable): Add code to handle
 860         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
 861         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
 862         arm_unaligned_reloc_r): New targets.
 863         * testsuite/Makefile.in: Regenerate.
 864         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
 865         linking.
 866
 867 2011-11-02  Ian Lance Taylor  <iant@google.com>
 868
 869         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
 870         NATIVE_LINKER.
 871         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
 872         * options.cc (General_options::finalize): Use library search path
 873         from configure script if specified.  If not native and no sysroot,
 874         only search TOOLLIBDIR.
 875         * options.h (Search_directory::Search_directory): Change name to
 876         const std::string&.
 877         (General_options::add_to_library_path_with_sysroot): Change arg to
 878         const std::string&.
 879         * configure, Makefile.in, config.in: Rebuild.
 880
 881 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 882
 883         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
 884         we are working around the ARM1176 Erratum.
 885         * options.h (General_options::fix_arm1176): Add option.
 886         * testsuite/Makefile.am: Add testcases, and keep current ones
 887         working.
 888         * testsuite/Makefile.in: Regenerate.
 889         * testsuite/arm_fix_1176.s: New file.
 890         * testsuite/arm_fix_1176.sh: Likewise.
 891
 892 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
 893
 894         * arm.cc (Target_arm::Target_arm): Remove initialisation of
 895         may_use_blx_.
 896         (Target_arm::may_use_blx): Remove method.
 897         (Target_arm::set_may_use_blx): Likewise.
 898         (Target_arm::may_use_v4t_interworking): New method.
 899         (Target_arm::may_use_v5t_interworking): Likewise.
 900         (Target_arm::may_use_blx_): Remove member variable.
 901         (Arm_relocate_functions::arm_branch_common): Check for v5T
 902         interworking.
 903         (Arm_relocate_functions::thumb_branch_common): Likewise.
 904         (Reloc_stub::stub_type_for_reloc): Likewise.
 905         (Target_arm::do_finalize_sections): Correct interworking checks.
 906         * testsuite/Makefile.am: Add new tests.
 907         * testsuite/Makefile.in: Regenerate.
 908         * testsuite/arm_farcall_arm_arm.s: New test.
 909         * testsuite/arm_farcall_arm_arm.sh: Likewise.
 910         * testsuite/arm_farcall_arm_thumb.s: Likewise.
 911         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
 912         * testsuite/arm_farcall_thumb_arm.s: Likewise.
 913         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
 914         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
 915         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
 916
 917 2011-10-31  Cary Coutant  <ccoutant@google.com>
 918
 919         PR gold/13023
 920         * expression.cc (Expression::eval_with_dot): Add
 921         is_section_dot_assignment parameter.
 922         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 923         absolute and assigning to dot within a section.
 924         * script-sections.cc
 925         (Output_section_element_assignment::set_section_addresses): Pass
 926         dot_section to set_if_absolute.
 927         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 928         as is_section_dot_assignment flag to eval_with_dot.
 929         (Output_section_element_dot_assignment::set_section_addresses):
 930         Likewise.
 931         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 932         parameter.  Also set value if relative to dot_section; set the
 933         symbol's output_section.
 934         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 935         parameter.  Adjust all callers.
 936         (Expression::eval_maybe_dot): Likewise.
 937         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 938         Adjust all callers.
 939         * testsuite/script_test_2.t: Test assignment of an absolute value
 940         to dot within an output section element.
 941
 942 2011-10-31  Cary Coutant  <ccoutant@google.com>
 943
 944         * options.h (class General_options): Add --[no-]gnu-unique options.
 945         * symtab.cc (Symbol_table::sized_write_globals): Convert
 946         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 947
 948 2011-10-31  Cary Coutant  <ccoutant@google.com>
 949
 950         PR gold/13359
 951         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 952         unnecessary assertion.
 953         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 954
 955 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 956
 957         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 958         gc_mark_symbol.
 959         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 960         gc_mark_symbol.
 961         Change to just keep the section associated with symbol.
 962         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 963         they are externally visible and --export-dynamic is turned on.
 964         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 965
 966 2011-10-19  Ian Lance Taylor  <iant@google.com>
 967
 968         PR gold/13163
 969         * script-sections.cc
 970         (Output_section_element_dot_assignment::needs_output_section): New
 971         function.
 972
 973 2011-10-19  Ian Lance Taylor  <iant@google.com>
 974
 975         PR gold/13204
 976         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 977         --section-start option was seen.
 978         * options.h (General_options::any_section_start): New function.
 979
 980 2011-10-18  David S. Miller  <davem@davemloft.net>
 981
 982         PR binutils/13301
 983         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 984         member to track relocation locations that have moved during TLS
 985         reloc optimizations.
 986         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 987         (Target_sparc::Relocate::relocate): Adjust view down by 4
 988         bytes if it matches reloc_adjust_addr_.
 989         (Target_sparc::Relocate::relocate_tls): Always move the
 990         __tls_get_addr call delay slot instruction forward 4 bytes when
 991         performing relaxation.
 992
 993 2011-10-18  Cary Coutant  <ccoutant@google.com>
 994
 995         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 996         (Output_file::map_no_anonymous): Check for non-zero
 997         return code from posix_fallocate.
 998
 999 2011-10-17  Cary Coutant  <ccoutant@google.com>
1000
1001         PR gold/13245
1002         * plugin.cc (is_visible_from_outside): Check for symbols
1003         referenced from dynamic objects.
1004         * resolve.cc (Symbol_table::resolve): Don't count references
1005         from dynamic objects as references from real ELF files.
1006         * testsuite/plugin_test_2.sh: Adjust expected result.
1007
1008 2011-10-17  Cary Coutant  <ccoutant@google.com>
1009
1010         * gold.cc: Include timer.h.
1011         (queue_middle_tasks): Stamp time.
1012         (queue_final_tasks): Likewise.
1013         * main.cc (main): Store timer in parameters.  Print timers
1014         for each pass.
1015         * parameters.cc (Parameters::Parameters): Initialize timer_.
1016         (Parameters::set_timer): New function.
1017         (set_parameters_timer): New function.
1018         * parameters.h (Parameters::set_timer): New function.
1019         (Parameters::timer): New function.
1020         (Parameters::timer_): New data member.
1021         (set_parameters_timer): New function.
1022         * timer.cc (Timer::stamp): New function.
1023         (Timer::get_pass_time): New function.
1024         * timer.h (Timer::stamp): New function.
1025         (Timer::get_pass_time): New function.
1026         (Timer::pass_times_): New data member.
1027
1028 2011-10-17  Cary Coutant  <ccoutant@google.com>
1029
1030         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1031         task for members of lib groups.
1032
1033 2011-10-17  Cary Coutant  <ccoutant@google.com>
1034
1035         PR gold/13288
1036         * fileread.cc (File_read::find_view): Add assert.
1037         (File_read::make_view): Move bounds check (replace with assert)...
1038         (File_read::find_or_make_view): ... to here.
1039
1040 2011-10-12  Cary Coutant  <ccoutant@google.com>
1041
1042         * output.cc (Output_file::open_base_file): Handle case where
1043         ::read returns less than requested size.
1044
1045 2011-10-10  Cary Coutant  <ccoutant@google.com>
1046
1047         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1048         Initialize defined_count_.
1049         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1050         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1051         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1052         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1053         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1054         * incremental.h (Sized_relobj_incr::defined_count_): New data
1055         member.
1056         (Sized_incr_dynobj::defined_count_): New data member.
1057         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1058         Return zeroes instead of internal error.
1059
1060 2011-10-10  Cary Coutant  <ccoutant@google.com>
1061
1062         PR gold/13249
1063         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1064         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1065         * output.h (class Output_reloc): Add use_plt_offset flag.
1066         (Output_reloc::type_): Adjust size of bit field.
1067         (Output_reloc::use_plt_offset_): New bit field.
1068         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1069         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1070         flag.  Adjust all callers.
1071         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1072         creating RELATIVE relocations.
1073
1074 2011-10-10  Nick Clifton  <nickc@redhat.com>
1075
1076         * po/es.po: Updated Spanish translation.
1077         * po/fi.po: Updated Finnish translation.
1078
1079 2011-10-03   Diego Novillo  <dnovillo@google.com>
1080
1081         * options.cc (parse_uint): Fix dereference of RETVAL.
1082
1083 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1084
1085         * layout.h (section_order_map_): New member.
1086         (get_section_order_map): New member function.
1087         * output.cc (Output_section::add_input_section): Check for patterns
1088         only when --section-ordering-file is specified.
1089         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1090         output_sections have been formed.
1091         * layout.cc (Layout_Layout): Initialize section_order_map_.
1092         * plugin.cc (update_section_order): Store order in order_map. Do not
1093         update the order.
1094         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1095         * testsuite/Makefile.in: Regenerate.
1096         * testsuite/plugin_section_order.c: New file.
1097         * testsuite/plugin_final_layout.cc: New file.
1098         * testsuite/plugin_final_layout.sh: New file.
1099
1100 2011-09-29  Cary Coutant  <ccoutant@google.com>
1101
1102         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1103         Check for NULL.
1104         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1105         symbols during incremental update.
1106         (Symbol_table::add_from_dynobj): Likewise.
1107
1108 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1109             Ian Lance Taylor  <iant@google.com>
1110
1111         * symtab.cc (Symbol_table::define_special_symbol): Always
1112         canonicalize version string.
1113
1114 2011-09-26  Cary Coutant  <ccoutant@google.com>
1115
1116         * gold.cc (queue_initial_tasks): Move option checks ...
1117         * options.cc (General_options::finalize): ... to here. Disable
1118         some options; make others fatal.
1119
1120 2011-09-26  Cary Coutant  <ccoutant@google.com>
1121
1122         gcc PR lto/47247
1123         * plugin.cc (get_symbols_v2): New function.
1124         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1125         (is_referenced_from_outside): New function.
1126         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1127         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1128         (get_symbols): Pass version parameter.
1129         (get_symbols_v2): New function.
1130         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1131         parameter.
1132         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1133         (onload): Add LDPT_GET_SYMBOLS_V2.
1134         (all_symbols_read_hook): Use get_symbols_v2; check for
1135         LDPR_PREVAILING_DEF_IRONLY_EXP.
1136         * testsuite/plugin_test_3.sh: Update expected results.
1137
1138 2011-09-23  Simon Baldwin  <simonb@google.com>
1139
1140         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1141         configuration options.
1142         * configure: Regenerate.
1143         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1144         * Makefile.in: Regenerate.
1145         * testsuite/Makefile.in: Regenerate.
1146
1147 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1148
1149         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1150
1151 2011-09-19  Cary Coutant  <ccoutant@google.com>
1152
1153         * incremental.cc (can_incremental_update): Fix typo in comment.
1154         * incremental.h (can_incremental_update): Likewise.
1155
1156 2011-09-18  Cary Coutant  <ccoutant@google.com>
1157
1158         * incremental.cc (can_incremental_update): New function.
1159         * incremental.h (can_incremental_update): New function.
1160         * layout.cc (Layout::init_fixed_output_section): Call it.
1161         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1162         * object.cc (Sized_relobj_file::do_layout): Call
1163         can_incremental_update.
1164
1165 2011-09-13  Cary Coutant  <ccoutant@google.com>
1166
1167         * configure.ac: Check for glibc support for gnu_indirect_function
1168         support with static linking, setting automake conditional
1169         IFUNC_STATIC.
1170         * Makefile.in: Regenerate.
1171         * configure: Regenerate.
1172
1173         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1174         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1175         for IFUNC_STATIC.
1176         * testsuite/Makefile.in: Regenerate.
1177
1178 2011-09-13  Cary Coutant  <ccoutant@google.com>
1179
1180         * incremental.cc (Sized_relobj_incr::do_layout): Call
1181         report_comdat_group for kept comdat sections.
1182         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1183         * testsuite/Makefile.in: Regenerate.
1184         * testsuite/incr_comdat_test_1.cc: New source file.
1185         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1186         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1187         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1188
1189 2011-09-13  Ian Lance Taylor  <iant@google.com>
1190
1191         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1192         variable external_symbols_offset.
1193
1194 2011-09-12  Ian Lance Taylor  <iant@google.com>
1195
1196         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1197         triggered if object has no symbols.
1198
1199 2011-09-09  David S. Miller  <davem@davemloft.net>
1200
1201         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1202         (Output_fill_debug_line::do_write): Likewise.
1203
1204 2011-08-29  Cary Coutant  <ccoutant@google.com>
1205
1206         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1207         casts to match formatting specs.
1208         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1209
1210 2011-08-26  Cary Coutant  <ccoutant@google.com>
1211
1212         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1213         remaining hole size when allocating.
1214         (Layout::make_output_section): Set fill methods for debug sections.
1215         * layout.h (Free_list::Free_list_node): Move from private to
1216         public.
1217         (Free_list::set_min_hole_size): New function.
1218         (Free_list::begin, Free_list::end): New functions.
1219         (Free_list::min_hole_): New data member.
1220         * output.cc: Include dwarf.h.
1221         (Output_fill_debug_info::do_minimum_hole_size): New function.
1222         (Output_fill_debug_info::do_write): New function.
1223         (Output_fill_debug_line::do_minimum_hole_size): New function.
1224         (Output_fill_debug_line::do_write): New function.
1225         (Output_section::Output_section): Initialize new data member.
1226         (Output_section::set_final_data_size): Ensure patch space is larger
1227         than minimum hole size.
1228         (Output_section::do_write): Fill holes in debug sections.
1229         * output.h (Output_fill): New class.
1230         (Output_fill_debug_info): New class.
1231         (Output_fill_debug_line): New class.
1232         (Output_section::set_free_space_fill): New function.
1233         (Output_section::free_space_fill_): New data member.
1234         * testsuite/Makefile.am (incremental_test_3): Add
1235         --incremental-patch option.
1236         (incremental_test_4): Likewise.
1237         (incremental_test_5): Likewise.
1238         (incremental_test_6): Likewise.
1239         (incremental_copy_test): Likewise.
1240         (incremental_common_test_1): Likewise.
1241         * testsuite/Makefile.in: Regenerate.
1242
1243 2011-08-26  Nick Clifton  <nickc@redhat.com>
1244
1245         * po/es.po: Updated Spanish translation.
1246
1247 2011-08-01  Cary Coutant  <ccoutant@google.com>
1248
1249         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1250         * gold/testsuite/Makefile.in: Regenerate.
1251         * gold/testsuite/justsyms_exec.c: New source file.
1252         * gold/testsuite/justsyms_lib.c: New source file.
1253
1254 2011-08-01  Cary Coutant  <ccoutant@google.com>
1255
1256         * layout.cc (Layout::set_segment_offsets): Don't realign text
1257         segment if -Ttext was specified.
1258         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1259         file type.
1260         * object.h (Sized_relobj_file::e_type): New function.
1261         (Sized_relobj_file::e_type_): New data member.
1262         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1263         base address for ET_EXEC files.
1264         * target.cc (Target::do_make_elf_object_implementation): Allow
1265         ET_EXEC files with --just-symbols option.
1266
1267 2011-07-28  Cary Coutant  <ccoutant@google.com>
1268
1269         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1270         Add thread_number parameter.
1271         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1272         * workqueue-threads.cc
1273         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1274         current thread if its thread number is greater than desired thread
1275         count.
1276         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1277         Add thread_number parameter.
1278         (Workqueue::should_cancel_thread): Likewise.
1279         (Workqueue::find_runnable_or_wait): Pass thread_number to
1280         should_cancel_thread.
1281         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1282         parameter.
1283
1284 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1285
1286         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1287         only after checking if it cannot be forced local.
1288         * symtab.h (is_externally_visible): Check if the symbol is not forced
1289         local.
1290
1291 2011-07-15  Ian Lance Taylor  <iant@google.com>
1292
1293         * options.h (class General_options): Add --print-output-format.
1294         Move -EL next to -EB, for  better --help output.
1295         * target-select.cc: Include <cstdio>, "options.h", and
1296         "parameters.h".
1297         (Target_selector::do_target_bfd_name): New function.
1298         (print_output_format): New function.
1299         * target-select.h (class Target_selector): Update declarations.
1300         (Target_selector::target_bfd_name): New function.
1301         (print_output_format): Declare.
1302         * main.cc: Include "target-select.h".
1303         (main): Handle --print-output-format.
1304         * gold.cc: Include "target-select.h".
1305         (queue_initial_tasks): Handle --print-output-format when there are
1306         no input files.
1307         * parameters.cc (parameters_force_valid_target): Give a better
1308         error message if -EB/-EL does not match target.
1309         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1310         function.
1311
1312 2011-07-15  Ian Lance Taylor  <iant@google.com>
1313
1314         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1315         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1316         (Output_data_plt_i386::do_write): Write address of .dynamic
1317         section to first entry in .got.plt section.
1318         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1319         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1320         Initialize layout_.
1321         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1322         section to first entry in .got.plt section.
1323         * layout.h (Layout::dynamic_section): New function.
1324
1325 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1326
1327         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1328         to claim_file call.
1329         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1330         input_section_position_, and input_section_glob_.
1331         (read_layout_from_file): Call function section_ordering_specified.
1332         * layout.h (is_section_ordering_specified): New function.
1333         (section_ordering_specified): New function.
1334         (section_ordering_specified_): New boolean member.
1335         * main.cc(main): Call load_plugins after layout object is defined.
1336         * output.cc (Output_section::add_input_section): Use
1337         function section_ordering_specified to check if section ordering is
1338         needed.
1339         * output.cc (Output_section::add_relaxed_input_section): Use
1340         function section_ordering_specified to check if section ordering is
1341         needed.
1342         (Output_section::update_section_layout): New function.
1343         (Output_section::sort_attached_input_sections): Check if input section
1344         must be reordered.
1345         * output.h (Output_section::update_section_layout): New function.
1346         * plugin.cc (get_section_count): New function.
1347         (get_section_type): New function.
1348         (get_section_name): New function.
1349         (get_section_contents): New function.
1350         (update_section_order): New function.
1351         (allow_section_ordering): New function.
1352         (Plugin::load): Add the new interfaces to the transfer vector.
1353         (Plugin_manager::load_plugins): New parameter.
1354         (Plugin_manager::all_symbols_read): New parameter.
1355         (Plugin_manager::claim_file): New parameter. Save the elf object for
1356         unclaimed objects.
1357         (Plugin_manager::get_elf_object): New function.
1358         (Plugin_manager::get_view): Change to directly use the bool to check
1359         if get_view is called from claim_file_hook.
1360         * plugin.h (input_objects): New function
1361         (Plugin__manager::load_plugins): New parameter.
1362         (Plugin_manager::claim_file): New parameter.
1363         (Plugin_manager::get_elf_object): New function.
1364         (Plugin_manager::in_claim_file_handler): New function.
1365         (Plugin_manager::in_claim_file_handler_): New member.
1366         (layout): New function.
1367         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1368         handler with an extra parameter. Make the elf object before calling
1369         claim_file handler.
1370         * testsuite/plugin_test.c (get_section_count): New function pointer.
1371         (get_section_type): New function pointer.
1372         (get_section_name): New function pointer.
1373         (get_section_contents): New function pointer.
1374         (update_section_order): New function pointer.
1375         (allow_section_ordering): New function pointer.
1376         (onload): Check if the new interfaces exist.
1377
1378 2011-07-13  Ian Lance Taylor  <iant@google.com>
1379
1380         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1381         relro section.
1382         * x86_64.cc (Target_x86_64::got_section): Likewise.
1383         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1384         (relro_now_test_SOURCES): New variable.
1385         (relro_now_test_DEPENDENCIES): New variable.
1386         (relro_now_test_LDFLAGS): New variable.
1387         (relro_now_test_LDADD): New variable.
1388         (relro_now_test.so): New target.
1389         * testsuite/Makefile.in: Rebuild.
1390
1391 2011-07-12  Ian Lance Taylor  <iant@google.com>
1392
1393         PR gold/12980
1394         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1395         GLOB_DAT relocation rather than a RELATIVE relocation for a
1396         protected symbol when creating a shared library.
1397         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1398         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1399         * testsuite/protected_main_1.cc (main): Test that protected
1400         function has same address.
1401
1402 2011-07-11  Ian Lance Taylor  <iant@google.com>
1403
1404         PR gold/12979
1405         * options.h (class General_options): Add -Bgroup.
1406         * options.cc (General_options::finalize): If -Bgroup is set,
1407         default to --unresolved-symbols=report-all.
1408         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1409         * target-reloc.h (issue_undefined_symbol_error): Handle
1410         --unresolved-symbols=report-all.
1411
1412 2011-07-08  Ian Lance Taylor  <iant@google.com>
1413
1414         PR gold/11985
1415         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1416         if linker script discards key sections.
1417         (Layout::create_dynamic_symtab): Likewise.
1418         (Layout::assign_local_dynsym_offsets): Likewise.
1419         (Layout::sized_create_version_sections): Likewise.
1420         (Layout::create_interp): Likewise.
1421         (Layout::finish_dynamic_section): Likewise.
1422         (Layout::set_dynamic_symbol_size): Likewise.
1423
1424 2011-07-08  Ian Lance Taylor  <iant@google.com>
1425
1426         PR gold/12386
1427         * options.h (class General_options): Add --unresolved-symbols.
1428         * target-reloc.h (issue_undefined_symbol_error): Check
1429         --unresolved-symbols.  Add comments.
1430
1431 2011-07-08  Ian Lance Taylor  <iant@google.com>
1432
1433         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1434         expression more complex.
1435
1436 2011-07-08  Ian Lance Taylor  <iant@google.com>
1437
1438         PR gold/11317
1439         * target-reloc.h (issue_undefined_symbol_error): New inline
1440         function, broken out of relocate_section.
1441         (relocate_section): Call issue_undefined_symbol_error.
1442         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1443         there is no TLS segment if we are about to issue an undefined
1444         symbol error.
1445         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1446
1447 2011-07-08  Ian Lance Taylor  <iant@google.com>
1448
1449         PR gold/12279
1450         * resolve.cc (Symbol_table::should_override): Add fromtype
1451         parameter.  Change all callers.  Give error when linking together
1452         TLS and non-TLS symbol.
1453         (Symbol_table::should_override_with_special): Add fromtype
1454         parameter.  Change all callers.
1455         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1456         there is no TLS segment if we have reported some errors.
1457         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1458
1459 2011-07-08  Ian Lance Taylor  <iant@google.com>
1460
1461         PR gold/12372
1462         * target.h (Target::plt_address_for_global): New function.
1463         (Target::plt_address_for_local): New function.
1464         (Target::plt_section_for_global): Remove.
1465         (Target::plt_section_for_local): Remove.
1466         (Target::do_plt_address_for_global): New virtual function.
1467         (Target::do_plt_address_for_local): New virtual function.
1468         (Target::do_plt_section_for_global): Remove.
1469         (Target::do_plt_section_for_local): Remove.
1470         (Target::register_global_plt_entry): Add Symbol_table and Layout
1471         parameters.
1472         * output.cc (Output_data_got::Got_entry::write): Use
1473         plt_address_for_global and plt_address_for_local.
1474         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1475         address of output section.
1476         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1477         got_irelative_, and irelative_count_ fields.  Update
1478         declarations.
1479         (Output_data_plt_i386::has_irelative_section): New function.
1480         (Output_data_plt_i386::entry_count): Add irelative_count_.
1481         (Output_data_plt_i386::set_final_data_size): Likewise.
1482         (class Target_i386): Add got_irelative_ and rel_irelative_
1483         fields.  Update declarations.
1484         (Target_i386::Target_i386): Initialize new fields.
1485         (Target_i386::do_plt_address_for_global): New function replacing
1486         do_plt_section_for_global.
1487         (Target_i386::do_plt_address_for_local): New function replacing
1488         do_plt_section_for_local.
1489         (Target_i386::got_section): Create got_irelative_.
1490         (Target_i386::rel_irelative_section): New function.
1491         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1492         fields.  Don't define __rel_iplt_{start,end}.
1493         (Output_data_plt_i386::add_entry): Add symtab and layout
1494         parameters.  Change all callers.  Use different PLT and GOT for
1495         IFUNC symbols.
1496         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1497         layout parameters.  Change all callers.  Use different PLT and
1498         GOT.
1499         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
1500         (Output_data_plt_i386::rel_irelative): New function.
1501         (Output_data_plt_i386::address_for_global): New function.
1502         (Output_data_plt_i386::address_for_local): New function.
1503         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
1504         IRELATIVE GOT when changing IFUNC GOT entries.
1505         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
1506         reloc.
1507         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
1508         if we didn't create an IRELATIVE GOT.
1509         (Target_i386::Relocate::relocate): Use plt_address_for_global and
1510         plt_address_for_local.
1511         (Target_i386::do_dynsym_value): Use plt_address_for_global.
1512         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
1513         got_irelative_, and irelative_count_ fields.  Update
1514         declarations.
1515         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1516         Initialize new fields.  Remove symtab parameter.  Change all
1517         callers.
1518         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
1519         irelative_count_.
1520         (Output_data_plt_x86_64::has_irelative_section): New function.
1521         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
1522         (class Target_x86_64): Add got_irelative_ and rel_irelative_
1523         fields.  Update declarations.
1524         (Target_x86_64::Target_x86_64): Initialize new fields.
1525         (Target_x86_64::do_plt_address_for_global): New function replacing
1526         do_plt_section_for_global.
1527         (Target_x86_64::do_plt_address_for_local): New function replacing
1528         do_plt_section_for_local.
1529         (Target_x86_64::got_section): Create got_irelative_.
1530         (Target_x86_64::rela_irelative_section): New function.
1531         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
1532         all callers.  Don't create __rel_iplt_{start,end}.
1533         (Output_data_plt_x86_64::add_entry): Add symtab and layout
1534         parameters.  Change all callers.  Use different PLT and GOT for
1535         IFUNC symbols.
1536         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
1537         layout parameters.  Change all callers.  Use different PLT and
1538         GOT.
1539         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
1540         parameters.  Change all callers.  Use different PLT and GOT for
1541         IFUNC symbols.
1542         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
1543         (Output_data_plt_x86_64::rela_irelative): New function.
1544         (Output_data_plt_x86_64::address_for_global): New function.
1545         (Output_data_plt_x86_64::address_for_local): New function.
1546         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1547         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
1548         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
1549         (Target_x86_64::register_global_plt_entry): Add symtab and layout
1550         parameters.
1551         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
1552         reloc.
1553         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
1554         symbols if we didn't create an IRELATIVE GOT.
1555         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
1556         plt_address_for_local.
1557         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
1558         * testsuite/ifuncvar1.c: New test file.
1559         * testsuite/ifuncvar2.c: New test file.
1560         * testsuite/ifuncvar3.c: New test file.
1561         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
1562         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
1563         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
1564         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
1565         * testsuite/Makefile.in: Rebuild.
1566
1567 2011-07-07  Cary Coutant  <ccoutant@google.com>
1568
1569         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
1570         (two_file_test_1_ndebug.o): Likewise.
1571         (two_file_test_1b_ndebug.o): Likewise.
1572         (two_file_test_2_ndebug.o): Likewise.
1573         (two_file_test_main_ndebug.o): Likewise.
1574         (incremental_test_2): Link with no-debug versions.
1575
1576 2011-07-06  Cary Coutant  <ccoutant@google.com>
1577
1578         * gold/incremental.cc
1579         (Output_section_incremental_inputs::write_info_blocks): Check for
1580         hidden and internal symbols.
1581
1582 2011-07-06  Cary Coutant  <ccoutant@google.com>
1583
1584         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
1585         Check disposition for startup file.
1586         (Incremental_inputs::report_command_line): Ignore
1587         --incremental-startup-unchanged option.
1588         * options.cc (General_options::parse_incremental_startup_unchanged):
1589         New function.
1590         (General_options::General_options): Initialize new data member.
1591         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
1592         (General_options): Add --incremental-startup-unchanged option.
1593         (General_options::incremental_startup_disposition): New function.
1594         (General_options::incremental_startup_disposition_): New data member.
1595
1596 2011-07-06  Cary Coutant  <ccoutant@google.com>
1597
1598         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1599         input file index to Script_info ctor.
1600         (Sized_incremental_binary::do_file_has_changed): Find the
1601         command-line argument for files named in scripts.
1602         * incremental.h (Script_info::Script_info): New ctor
1603         with input file index.
1604         (Script_info::input_file_index): New function.
1605         (Script_info::input_file_index_): New data member.
1606         (Incremental_binary::get_library): Add const.
1607         (Incremental_binary::get_script_info): Add const.
1608         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1609         * testsuite/Makefile.am (incremental_test_5): New test case.
1610         (incremental_test_6): New test case.
1611         * testsuite/Makefile.in: Regenerate.
1612
1613 2011-07-06  Cary Coutant  <ccoutant@google.com>
1614
1615         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1616         debug output when command lines differ.
1617
1618 2011-07-06  Cary Coutant  <ccoutant@google.com>
1619
1620         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1621         --incremental-patch option.
1622         * layout.cc (Free_list::allocate): Extend allocation beyond original
1623         end if enabled.
1624         (Layout::make_output_section): Mark sections that should get
1625         patch space.
1626         * options.cc (parse_percent): New function.
1627         * options.h (parse_percent): New function.
1628         (DEFINE_percent): New macro.
1629         (General_options): Add --incremental-patch option.
1630         * output.cc (Output_section::Output_section): Initialize new data
1631         members.
1632         (Output_section::add_input_section): Print section name when out
1633         of patch space.
1634         (Output_section::add_output_section_data): Likewise.
1635         (Output_section::set_final_data_size): Add patch space when
1636         doing --incremental-full.
1637         (Output_section::do_reset_address_and_file_offset): Remove patch
1638         space.
1639         (Output_segment::set_section_list_addresses): Print debug output
1640         only if --incremental-update.
1641         * output.h (Output_section::set_is_patch_space_allowed): New function.
1642         (Output_section::is_patch_space_allowed_): New data member.
1643         (Output_section::patch_space_): New data member.
1644         * parameters.cc (Parameters::incremental_full): New function.
1645         * parameters.h (Parameters::incremental_full): New function
1646         * testsuite/Makefile.am (incremental_test_2): Add test for
1647         --incremental-patch option.
1648         * testsuite/Makefile.in: Regenerate.
1649         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1650         (t18): Remove function body.
1651
1652 2011-07-05  Doug Kwan  <dougkwan@google.com>
1653
1654         PR gold/12771
1655         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1656         Arm_Address type for relocation result.
1657         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1658         overflow check.
1659         (Arm_relocate_functions::abs32): Use unaligned access.
1660         (Arm_relocate_functions::rel32): Ditto.
1661         (Arm_relocate_functions::prel31): Ditto.
1662         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1663         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1664         static data relocations.
1665         * testsuite/Makefile.in: Regnerate.
1666         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1667
1668 2011-07-05  Ian Lance Taylor  <iant@google.com>
1669
1670         PR gold/12392
1671         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1672         symbols if necessary.
1673         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1674
1675 2011-07-05  Ian Lance Taylor  <iant@google.com>
1676
1677         PR gold/12952
1678         * resolve.cc (Symbol::override_base_with_special): Simply override
1679         version with special symbol version, ignoring previous version.
1680
1681 2011-07-05  Ian Lance Taylor  <iant@google.com>
1682
1683         * object.cc (Sized_relobj_file::include_section_group): Add
1684         information to comment about signature location.
1685
1686 2011-07-02  Ian Lance Taylor  <iant@google.com>
1687
1688         PR gold/12957
1689         * options.h (class General_options): Add -f and -F.
1690         * options.cc (General_options::finalize): Fatal error if -f/-F
1691         are used without -shared.
1692         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1693
1694 2011-07-02  Ian Lance Taylor  <iant@google.com>
1695
1696         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1697
1698 2011-07-01  Ian Lance Taylor  <iant@google.com>
1699
1700         PR gold/12525
1701         PR gold/12952
1702         * resolve.cc (Symbol::override_base_with_special): Don't override
1703         the version if the overriding symbol has a different name.
1704         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1705         all callers.  If we give an error about an undefined version,
1706         define the base version if necessary.
1707         * dynobj.h (class Versions): Update declaration.
1708         * testsuite/weak_alias_test_5.cc: New file.
1709         * testsuite/weak_alias_test.script: New file.
1710         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1711         and versioned_alias have the right value, and call t2.
1712         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1713         weak_alias_test_5.so.
1714         (weak_alias_test_LDADD): Likewise.
1715         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1716         * testsuite/Makefile.in: Rebuild.
1717
1718 2011-07-01  Ian Lance Taylor  <iant@google.com>
1719
1720         PR gold/12525
1721         * options.h (class General_options): Support -z notext.
1722         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1723         -Wl,-z,notext.
1724         (two_file_shared_nonpic.so): Likewise.
1725         (two_file_shared_mixed.so): Likewise.
1726         (two_file_shared_mixed_1.so): Likewise.
1727         (weak_undef_lib_nonpic.so): Likewise.
1728         (alt/weak_undef_lib_nonpic.so): Likewise.
1729         (tls_test_shared_nonpic.so): Likewise.
1730         * testsuite/Makefile.in: Rebuild.
1731
1732 2011-07-01  Ian Lance Taylor  <iant@google.com>
1733
1734         PR gold/12525
1735         * configure.ac: Test whether static linking works, setting
1736         the automake conditional HAVE_STATIC.
1737         * testsuite/Makefile.am: Disable tests using -static if
1738         HAVE_STATIC is not true.
1739         * configure, testsuite/Makefile.in: Rebuild.
1740
1741 2011-07-01  Ian Lance Taylor  <iant@google.com>
1742
1743         PR gold/12525
1744         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1745         Assert if we see DW_EH_PE_indirect.
1746         * target.h (Target::ehframe_datarel_base): New function.
1747         (Target::do_ehframe_datarel_base): New target function.
1748         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1749         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1750         function.
1751
1752 2011-07-01  Ian Lance Taylor  <iant@google.com>
1753
1754         PR gold/12571
1755         * options.h (class General_options): Add
1756         --ld-generated-unwind-info.
1757         * ehframe.cc (Fde::write): Add address parameter.  Change all
1758         callers.  If associated with PLT, fill in address and size.
1759         (Cie::set_output_offset): Only add merge mapping if there is an
1760         object.
1761         (Cie::write): Add address parameter.  Change all callers.
1762         (Eh_frame::add_ehframe_for_plt): New function.
1763         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1764         input_offset_ fields into union u_, with new plt field.
1765         (Fde::Fde): Adjust for new union field.
1766         (Fde::Fde) [Output_data version]: New constructor.
1767         (Fde::add_mapping): Only add merge mapping if there is an object.
1768         (class Cie): Update declarations.
1769         (class Eh_frame): Declare add_ehframe_for_plt.
1770         * layout.cc (Layout::layout_eh_frame): Break out code into
1771         make_eh_frame_section, and call it.
1772         (Layout::make_eh_frame_section): New function.
1773         (Layout::add_eh_frame_for_plt): New function.
1774         * layout.h (class Layout): Update declarations.
1775         * merge.cc (Merge_map::add_mapping): Add assertion.
1776         * i386.cc: Include "dwarf.h".
1777         (class Output_data_plt_i386): Make first_plt_entry,
1778         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1779         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1780         and plt_eh_frame_fde.
1781         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1782         boundary.  Call add_eh_frame_for_plt if appropriate.
1783         * x86_64.cc: Include "dwarf.h".
1784         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1785         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1786         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1787         and plt_eh_frame_fde.
1788         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1789         appropriate.
1790
1791 2011-06-29  Ian Lance Taylor  <iant@google.com>
1792
1793         PR gold/12629
1794         * object.cc (Sized_relobj_file::layout_section): Change shdr
1795         parameter to be const.
1796         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1797         out of do_layout.
1798         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1799         appropriate.  Call layout_eh_frame_section.
1800         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1801         sections.
1802         * object.h (class Sized_relobj_file): Update declarations.
1803
1804 2011-06-29  Ian Lance Taylor  <iant@google.com>
1805
1806         PR gold/12652
1807         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1808         modifier.
1809         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1810
1811 2011-06-29  Ian Lance Taylor  <iant@google.com>
1812
1813         PR gold/12675
1814         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1815         SHT_X86_64_UNWIND.
1816         * layout.cc (Layout::layout_eh_frame): Likewise.
1817
1818 2011-06-29  Ian Lance Taylor  <iant@google.com>
1819
1820         PR gold/12695
1821         * layout.cc (Layout::symtab_section_shndx): New function.
1822         * layout.h (class Layout): Declare symtab_section_shndx.
1823         * output.cc (Output_section::write_header): Call it.
1824
1825 2011-06-29  Ian Lance Taylor  <iant@google.com>
1826
1827         PR gold/12818
1828         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1829         symbols which are not used in a relocation.
1830
1831 2011-06-28  Ian Lance Taylor  <iant@google.com>
1832
1833         PR gold/12898
1834         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1835         script create indistinguishable segments.
1836         (Layout::set_segment_offsets): Use stable_sort when sorting
1837         segments.  Pass this to Compare_segments constructor.
1838         * layout.h (class Layout): Make segment_precedes non-static.
1839         (class Compare_segments): Change from struct to class.  Add
1840         layout_ field.  Add constructor.
1841         * script-sections.cc
1842         (Script_sections::attach_sections_using_phdrs_clause): Rename
1843         local orphan to is_orphan.  Don't report failure to put empty
1844         section in segment.  On attachment failure, report name of
1845         section, and attach to first PT_LOAD segment.
1846
1847 2011-06-28  Ian Lance Taylor  <iant@google.com>
1848
1849         PR gold/12934
1850         * target-select.cc (Target_selector::Target_selector): Add
1851         emulation parameter.  Change all callers.
1852         (select_target_by_bfd_name): Rename from select_target_by_name.
1853         Change all callers.
1854         (select_target_by_emulation): New function.
1855         (supported_emulation_names): New function.
1856         * target-select.h (class Target_selector): Add emulation_ field.
1857         Update declarations.
1858         (Target_selector::recognize_by_bfd_name): Rename from
1859         recognize_by_name.  Change all callers.
1860         (Target_selector::supported_bfd_names): Rename from
1861         supported_names.  Change all callers.
1862         (Target_selector::recognize_by_emulation): New function.
1863         (Target_selector::supported_emulations): New function.
1864         (Target_selector::emulation): New function.
1865         (Target_selector::do_recognize_by_bfd_name): Rename from
1866         do_recognize_by_name.  Change all callers.
1867         (Target_selector::do_supported_bfd_names): Rename from
1868         do_supported_names.  Change all callers.
1869         (Target_selector::do_recognize_by_emulation): New function.
1870         (Target_selector::do_supported_emulations): New function.
1871         (select_target_by_bfd_name): Change name in declaration.
1872         (select_target_by_emulation): Declare.
1873         (supported_emulation_names): Declare.
1874         * parameters.cc (parameters_force_valid_target): Try to find
1875         target based on emulation from -m option.
1876         * options.h (class General_options): Change doc string for -m.
1877         * options.cc (help): Print emulations.
1878         (General_options::parse_V): Likewise.
1879         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1880         Add emulation parameter.  Change all callers.
1881
1882 2011-06-28  Ian Lance Taylor  <iant@google.com>
1883
1884         * target.h (class Target): Add osabi_ field.
1885         (Target::osabi): New function.
1886         (Target::set_osabi): New function.
1887         (Target::Target): Initialize osabi_.
1888         (Target::do_adjust_elf_header): Make pure virtual.
1889         (Sized_target::do_adjust_elf_header): Declare.
1890         * target.cc (Sized_target::do_adjust_elf_header): New function.
1891         (class Sized_target): Instantiate all versions.
1892         * freebsd.h (class Target_freebsd): Remove.
1893         (Target_selector_freebsd::do_recognize): Call set_osabi on
1894         Target.
1895         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1896         (Target_selector_freebsd::set_osabi): Remove.
1897         * i386.cc (class Target_i386): Inherit from Sized_target rather
1898         than Target_freebsd.
1899         * x86_64.cc (class Target_x86_64): Likewise.
1900
1901 2011-06-28  Ian Lance Taylor  <iant@google.com>
1902
1903         * target.h (Target::can_check_for_function_pointers): Rewrite.
1904         Make non-virtual.
1905         (Target::can_icf_inline_merge_sections): Likewise.
1906         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1907         (Target::Target_info): Add can_icf_inline_merge_sections field.
1908         (Target::do_can_check_for_function_pointers): New virtual
1909         function.
1910         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1911         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1912         from can_check_for_function_pointers, move in file.
1913         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1914         section_may_have_icf_unsafe_poineters, move in file.
1915         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1916         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1917         Rename from can_check_for_function_pointers, move in file.
1918         (Target_i386::can_icf_inline_merge_sections): Remove.
1919         (Target_i386::i386_info): Initialize
1920         can_icf_inline_merge_sections.
1921         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1922         Initialize can_icf_inline_merge_sections.
1923         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1924         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1925         Rename from can_check_for_function_pointers, move in file.
1926         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1927         (Target_x86_64::x86_64_info): Initialize
1928         can_icf_inline_merge_sections.
1929         * testsuite/testfile.cc (Target_test::test_target_info):
1930         Likewise.
1931         * icf.cc (get_section_contents): Correct formatting.
1932
1933 2011-06-27  Ian Lance Taylor  <iant@google.com>
1934
1935         * symtab.cc (Symbol::versioned_name): New function.
1936         (Symbol_table::add_to_final_symtab): Use versioned_name when
1937         appropriate.
1938         (Symbol_table::sized_write_symbol): Likewise.
1939         * symtab.h (class Symbol): Declare versioned_name.
1940         * stringpool.h (class Stringpool_template): Add variant of add
1941         which takes a std::basic_string.
1942         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1943         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1944         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1945         (ver_test_12.o): New target.
1946         * testsuite/Makefile.in: Rebuild.
1947
1948 2011-06-27  Doug Kwan  <dougkwan@google.com>
1949
1950         * arm.cc (Arm_relocate_functions::thm_jump8,
1951         Arm_relocate_functions::thm_jump11): Use a wider signed
1952         type to compute offset.
1953         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1954         arm_thm_jump8.
1955         * testsuite/Makefile.in: Regenerate.
1956         * testsuite/arm_branch_in_range.sh: Check test results of
1957         arm_thm_jump11 and arm_thm_jump8.
1958         * testsuite/arm_thm_jump11.s: New test source file.
1959         * testsuite/arm_thm_jump11.t: New linker script.
1960         * testsuite/arm_thm_jump8.s: New test source file.
1961         * testsuite/arm_thm_jump8.t: New linker script.
1962
1963 2011-06-24  Ian Lance Taylor  <iant@google.com>
1964
1965         * layout.cc: Include "object.h".
1966         (ctors_sections_in_init_array): New static variable.
1967         (Layout::is_ctors_in_init_array): New function.
1968         (Layout::layout): Add entry to ctors_sections_in_init_array if
1969         appropriate.
1970         * layout.h (class Layout): Declare is_ctors_in_init_array.
1971         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1972         is_ctors_reverse_view is set.
1973         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1974         all callers.  Set is_ctors_reverse_view field of View_size.
1975         (Sized_relobj_file::reverse_words): New function.
1976         * object.h (Sized_relobj_file::View_size): Add
1977         is_ctors_reverse_view field.
1978         (class Sized_relobj_file): Update declarations.
1979         * testsuite/initpri3.c: New test.
1980         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1981         initpri3b.
1982         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1983         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1984         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1985         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1986         * testsuite/Makefile.in: Rebuild.
1987
1988 2011-06-24  Cary Coutant  <ccoutant@google.com>
1989
1990         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1991         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1992         (debug_msg_cdebug.err): New targets.
1993         * testsuite/Makefile.in: Regenerate.
1994         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1995         Fix checks for link with shared library.
1996
1997 2011-06-24  Doug Kwan  <dougkwan@google.com>
1998
1999         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2000         skip empty text sections.
2001         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2002
2003 2011-06-22  Ian Lance Taylor  <iant@google.com>
2004
2005         PR gold/12910
2006         * options.h (class General_options): Add --ctors-in-init-array.
2007         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2008         friends as SHT_PROGBITS for merging sections.
2009         (Layout::layout): Remove special handling of .init_array and
2010         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2011         and .dtors if ctors_in_init_array.
2012         (Layout::make_output_section): Force correct section types for
2013         .init_array and friends.  Don't sort if doing relocatable link,
2014         Don't sort .ctors and .dtors if ctors_in_init_array.
2015         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2016         (Layout::output_section_name): Add relobj parameter.  Change all
2017         callers.  Handle .ctors. and .dtors. in code rather than table.
2018         Handle .ctors and .dtors if ctors_in_init_array.
2019         (Layout::match_file_name): New function, moved from output.cc.
2020         * layout.h (class Layout): Update declarations.
2021         * output.cc: Include "layout.h".
2022         (Input_section_sort_entry::get_priority): New function.
2023         (Input_section_sort_entry::match_file_name): Just call
2024         Layout::match_file_name.
2025         (Output_section::Input_section_sort_init_fini_compare::operator()):
2026         Handle .ctors and .dtors.  Sort by explicit priority rather than
2027         by name.
2028         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2029         * testsuite/initpri2.c: New test.
2030         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2031         (check_PROGRAMS): Add initpri2.
2032         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2033         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2034         * configure, testsuite/Makefile.in: Rebuild.
2035
2036 2011-06-19  Ian Lance Taylor  <iant@google.com>
2037
2038         PR gold/12880
2039         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2040         .interp section to a PT_INTERP segment even if we have seen a
2041         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2042         clause in a linker script.
2043         (Layout::finalize): Don't create a .interp section if we've
2044         already create a PT_INTERP segment.
2045         (Layout::create_interp): Always call choose_output_section (revert
2046         patch of 2011-06-17).  Don't create PT_INTERP segment.
2047         * script-sections.cc
2048         (Script_sections::create_note_and_tls_segments): Add a .interp
2049         section to a PT_INTERP segment even if we have seen a
2050         --dynamic-linker option.
2051
2052 2011-06-18  Ian Lance Taylor  <iant@google.com>
2053
2054         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2055         merely because a non-PT_LOAD segment has a dynamic reloc.
2056
2057 2011-06-18  Ian Lance Taylor  <iant@google.com>
2058
2059         * layout.cc (Layout::finish_dynamic_section): Don't create
2060         DT_FLAGS entry if not needed.
2061
2062 2011-06-18  Ian Lance Taylor  <iant@google.com>
2063
2064         PR gold/12745
2065         * layout.cc (Layout::layout_eh_frame): Correct handling of
2066         writable .eh_frame section.
2067
2068 2011-06-17  Ian Lance Taylor  <iant@google.com>
2069
2070         PR gold/12893
2071         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2072         symbol is redefined with the exact same object and value.
2073
2074 2011-06-17  Ian Lance Taylor  <iant@google.com>
2075
2076         PR gold/12880
2077         * layout.h (class Layout): Add interp_segment_ field.
2078         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2079         (Layout::attach_allocated_section_to_segment): If making shared
2080         library, put .interp section in PT_INTERP segment.
2081         (Layout::finalize): Also call create_interp if -dynamic-linker
2082         option was used.
2083         (Layout::create_interp): Assert that there is no PT_INTERP
2084         segment.  If not using a SECTIONS clause, use make_output_section.
2085         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2086         * script-sections.cc
2087         (Script_sections::create_note_and_tls_segments): If making shared
2088         library, put .interp section in PT_INTERP segment.
2089
2090 2011-06-17  Ian Lance Taylor  <iant@google.com>
2091
2092         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2093         when making a shared library.
2094
2095 2011-06-17  Ian Lance Taylor  <iant@google.com>
2096
2097         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2098         parameter.  Change all callers.  Don't issue warning about PC32
2099         against locally defined symbol.
2100
2101 2011-06-16  Ian Lance Taylor  <iant@google.com>
2102
2103         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2104         occurs in same object.
2105
2106 2011-06-14  Alan Modra  <amodra@gmail.com>
2107
2108         * po/POTFILES.in: Regenerate.
2109
2110 2011-06-09  Ian Lance Taylor  <iant@google.com>
2111
2112         * script-sections.cc
2113         (Orphan_output_section::set_section_addresses): For a relocatable
2114         link set address to 0.
2115
2116 2011-06-09  Cary Coutant  <ccoutant@google.com>
2117
2118         PR gold/12804
2119         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2120         used with --compress-debug-sections.
2121         * gold/object.cc (Sized_relobj_file::do_layout): Report
2122         uncompressed size of compressed input sections.
2123
2124 2011-06-08  Cary Coutant  <ccoutant@google.com>
2125
2126         PR gold/12804
2127         * testsuite/two_file_test_2_v1.cc: Change initialization of
2128         v2 to keep it in .data.
2129
2130 2011-06-07  Cary Coutant  <ccoutant@google.com>
2131
2132         * common.cc (Symbol_table::do_allocate_commons_list): Call
2133         gold_fallback.
2134         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2135         (Errors::fallback): New function.
2136         (gold_fallback): New function.
2137         * errors.h (Errors::fallback): New function.
2138         * gold.cc (gold_exit): Change status parameter to enum; adjust
2139         all callers.
2140         (queue_initial_tasks): Call gold_fallback.
2141         * gold.h: Include cstdlib.
2142         (Exit_status): New enum type.
2143         (gold_exit): Change status parameter to enum.
2144         (gold_fallback): New function.
2145         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2146         (Layout::create_symtab_sections): Likewise.
2147         (Layout::create_shdrs): Likewise.
2148         * main.cc (main): Adjust call to gold_exit.
2149         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2150         (Output_data_got::add_got_entry_pair): Likewise.
2151         (Output_section::add_input_section): Likewise.
2152         (Output_section::add_output_section_data): Likewise.
2153         (Output_segment::set_section_list_addresses): Likewise.
2154         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2155
2156 2011-06-07  Cary Coutant  <ccoutant@google.com>
2157
2158         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2159         for incremental links.
2160         * output.cc (Output_segment::set_section_list_addresses): Remove
2161         FIXME and test for TLS or BSS.
2162
2163 2011-06-07  Cary Coutant  <ccoutant@google.com>
2164
2165         * testsuite/Makefile.am: Add incremental_copy_test,
2166         incremental_common_test_1.
2167         * testsuite/Makefile.in: Regenerate.
2168         * testsuite/common_test_1_v1.c: New source file.
2169         * testsuite/common_test_1_v2.c: New source file.
2170         * testsuite/copy_test_v1.cc: New source file.
2171
2172 2011-06-07  Cary Coutant  <ccoutant@google.com>
2173
2174         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2175         update, allocate common from bss section's free list.
2176         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2177         linker-defined symbols.
2178         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2179         Skip GOT and PLT entries that are no longer referenced.
2180         (Output_section_incremental_inputs::write_info_blocks): Mark
2181         linker-defined symbols.
2182         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2183         * output.cc (Output_section::allocate): New function.
2184         * output.h (Output_section::allocate): New function.
2185         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2186         linker-defined symbols.
2187         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2188         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2189         (Symbol::init_base_output_data): Likewise.
2190         (Symbol::init_base_output_segment): Likewise.
2191         (Symbol::init_base_constant): Likewise.
2192         (Sized_symbol::init_output_data): Likewise.
2193         (Sized_symbol::init_output_segment): Likewise.
2194         (Sized_symbol::init_constant): Likewise.
2195         (Symbol_table::do_define_in_output_data): Likewise.
2196         (Symbol_table::do_define_in_output_segment): Likewise.
2197         (Symbol_table::do_define_as_constant): Likewise.
2198         * symtab.h (Symbol::is_predefined): New function.
2199         (Symbol::init_base_output_data): Add is_predefined parameter.
2200         (Symbol::init_base_output_segment): Likewise.
2201         (Symbol::init_base_constant): Likewise.
2202         (Symbol::is_predefined_): New data member.
2203         (Sized_symbol::init_output_data): Add is_predefined parameter.
2204         (Sized_symbol::init_output_segment): Likewise.
2205         (Sized_symbol::init_constant): Likewise.
2206         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2207
2208 2011-06-07  Cary Coutant  <ccoutant@google.com>
2209
2210         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2211         instead of emit_copy_reloc.
2212         (Copy_relocs::emit_copy_reloc): Refactor.
2213         (Copy_relocs::make_copy_reloc): New function.
2214         (Copy_relocs::add_copy_reloc): Remove.
2215         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2216         section.
2217         (Copy_relocs::make_copy_reloc): New function.
2218         (Copy_relocs::add_copy_reloc): Remove.
2219         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2220         unchanged input files.
2221         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2222         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2223         Reserve BSS space for COPY relocations.
2224         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2225         (Output_section_incremental_inputs::write_info_blocks): Record
2226         whether a symbol is copied from a shared object.
2227         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2228         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2229         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2230         (Incremental_input_entry_reader::get_output_symbol_index): Add
2231         is_copy parameter.
2232         (Incremental_binary::emit_copy_relocs): New function.
2233         (Incremental_binary::do_emit_copy_relocs): New function.
2234         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2235         new data member.
2236         (Sized_incremental_binary::add_copy_reloc): New function.
2237         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2238         (Sized_incremental_binary::Copy_reloc): New struct.
2239         (Sized_incremental_binary::Copy_relocs): New typedef.
2240         (Sized_incremental_binary::copy_relocs_): New data member.
2241         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2242         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2243         * target.h (Sized_target::emit_copy_reloc): New function.
2244         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2245
2246 2011-06-02  Cary Coutant  <ccoutant@google.com>
2247
2248         PR gold/12163
2249         * gold/archive.cc (Archive::Archive): Initialize new data member.
2250         (Archive::include_all_members): Return if archive has already been
2251         included.
2252         * gold/archive.h (Archive::include_all_members_): New data member.
2253
2254 2011-06-02  Nick Clifton  <nickc@redhat.com>
2255
2256         * dynobj.h: Fix spelling mistake in comment.
2257         * output.cc: Likewise.
2258
2259 2011-05-31  Doug Kwan  <dougkwan@google.com>
2260             Asier Llano
2261
2262         PR gold/12826
2263         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2264         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2265         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2266         redundant arm_exidx_test.so.
2267         * testsuite/Makefile.in: Regenerate.
2268         (check_SCRIPTS): Add pr12826.sh
2269         (check_DATA): Add pr12826.stdout
2270         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2271         * testsuite/pr12826.sh: New file.
2272         * testsuite/pr12826_1.s: Ditto.
2273         * testsuite/pr12826_1.s: Ditto.
2274
2275 2011-05-30  Ian Lance Taylor  <iant@google.com>
2276
2277         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2278         sections.
2279
2280 2011-05-29  Ian Lance Taylor  <iant@google.com>
2281
2282         PR gold/12804
2283         * testsuite/Makefile.am: Use different file name for two_file_test
2284         temporary file for each incremental test.
2285         * testsuite/Makefile.in: Rebuild.
2286
2287 2011-05-29  Ian Lance Taylor  <iant@google.com>
2288
2289         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2290         binary input file is empty.
2291
2292 2011-05-27  Ian Lance Taylor  <iant@google.com>
2293
2294         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2295         (ver_test_9.so): Likewise.
2296         * testsuite/Makefile.in: Rebuild.
2297
2298 2011-05-26 Cary Coutant  <ccoutant@google.com>
2299
2300         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2301         * incremental.cc (Incremental_inputs::report_input_section): Fix
2302         comment, indentation.
2303         (Incremental_inputs::report_comdat_group): New function.
2304         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2305         of data for incremental input file entry.
2306         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2307         group count, COMDAT group signatures.
2308         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2309         an unchanged input file.
2310         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2311         Initialize new data member.
2312         (Incremental_object_entry::add_comdat_group): New function.
2313         (Incremental_object_entry::get_comdat_group_count): New function.
2314         (Incremental_object_entry::get_comdat_signature_key): New function.
2315         (Incremental_object_entry::groups_): New data member.
2316         (Incremental_inputs::report_comdat_group): New function.
2317         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2318         data for incremental input file entry.
2319         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2320         (Incremental_input_entry_reader::get_input_section): Adjust size of
2321         data for incremental input file entry.
2322         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2323         (Incremental_input_entry_reader::get_comdat_group_signature): New
2324         function.
2325         * object.cc (Sized_relobj::include_section_group): Report kept
2326         COMDAT groups for incremental links.
2327
2328 2011-05-24  David Meyer  <pdox@google.com>
2329
2330         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2331         with name parameter.  Add found_name parameter.
2332         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2333         * dirsearch.h (class Dirsearch): Update declaration.
2334
2335 2011-05-24  Ian Lance Taylor  <iant@google.com>
2336
2337         * archive.cc (Library_base::should_include_member): Pull in object
2338         from archive if it defines the entry symbol.
2339         * parameters.cc (Parameters::entry): New function.
2340         * parameters.h (class Parameters): Declare entry.
2341         * output.h (class Output_file_header): Remove entry_ field.
2342         * output.cc (Output_file_header::Output_file_header): Remove entry
2343         parameter.  Change all callers.
2344         (Output_file_header::entry): Use parameters->entry.
2345         * gold.cc (queue_middle_tasks): Likewise.
2346         * plugin.cc (Plugin_hook::run): Likewise.
2347
2348 2011-05-24 Cary Coutant  <ccoutant@google.com>
2349
2350         * gold.cc (queue_initial_tasks): Pass incremental base filename
2351         to Output_file::open_base_file; don't print error message.
2352         * incremental-dump.cc (main): Adjust call to
2353         Output_file::open_for_modification.
2354         * incremental-dump.cc (main): Likewise.
2355         * incremental.cc (Incremental_inputs::report_command_line):
2356         Ignore --incremental-base option when comparing command lines.
2357         Ignore parameter when given as separate argument.
2358         * options.h (class General_options): Add --incremental-base.
2359         * output.cc (Output_file::Output_file):
2360         (Output_file::open_base_file): Add base_name and writable parameters;
2361         read base file into new file; print error message here.
2362         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2363         callers.
2364         * output.h (Output_file::open_for_modification): Rename to...
2365         (Output_file::open_base_file): ...this; add base_name and
2366         writable parameters; adjust all callers.
2367         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2368         callers.
2369         * testsuite/Makefile.am (incremental_test_4): Test
2370         --incremental-base.
2371         * testsuite/Makefile.in: Regenerate.
2372
2373 2011-05-24 Cary Coutant  <ccoutant@google.com>
2374
2375         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2376         incremental_test_4.
2377         * testsuite/Makefile.in: Regenerate.
2378         * testsuite/two_file_test_1_v1.cc: New test source file.
2379         * testsuite/two_file_test_1b_v1.cc: New test source file.
2380         * testsuite/two_file_test_2_v1.cc: New test source file.
2381
2382 2011-05-24 Cary Coutant  <ccoutant@google.com>
2383
2384         * dynobj.h (Dynobj::do_dynobj): New function.
2385         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2386         flag and soname for shared objects.
2387         * incremental.cc (Incremental_inputs::report_object): Make
2388         either Incremental_object_entry or Incremental_dynobj_entry; add
2389         soname to string table.
2390         (Incremental_inputs::report_input_section): Add assertion.
2391         (Output_section_incremental_inputs::set_final_data_size): Adjust
2392         type of input file entry for shared libraries; adjust size of
2393         shared library info entry.
2394         (Output_section_incremental_inputs::write_input_files): Write
2395         as_needed flag for shared libraries.
2396         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2397         of input file entry for shared libraries; write soname.
2398         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2399         soname from incremental info.
2400         * incremental.h (enum Incremental_input_flags): Add
2401         INCREMENTAL_INPUT_AS_NEEDED.
2402         (Incremental_input_entry::Incremental_input_entry): Initialize new
2403         data member.
2404         (Incremental_input_entry::set_as_needed): New function.
2405         (Incremental_input_entry::as_needed): New function.
2406         (Incremental_input_entry::do_dynobj_entry): New function.
2407         (Incremental_input_entry::as_needed_): New data member.
2408         (Incremental_object_entry::Incremental_object_entry): Don't check
2409         for shared library.
2410         (Incremental_object_entry::do_type): Likewise.
2411         (class Incremental_dynobj_entry): New class.
2412         (Incremental_input_entry_reader::as_needed): New function.
2413         (Incremental_input_entry_reader::get_soname): New function.
2414         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2415         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2416         size of shared library info entry.
2417         * layout.cc (Layout::finish_dynamic_section): Don't test for
2418         incremental link when adding DT_NEEDED entries.
2419         * object.h (Object::Object): Initialize new data member.
2420         (Object::dynobj): New function.
2421         (Object::set_as_needed): New function.
2422         (Object::as_needed): New function.
2423         (Object::do_dynobj): New function.
2424         (Object::as_needed_): New data member.
2425
2426 2011-05-24 Cary Coutant  <ccoutant@google.com>
2427
2428         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2429         info; adjust display of GOT entries.
2430         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2431         vector of input objects; remove file_status_.
2432         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2433         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2434         got_plt reader; call target hooks to reserve GOT entries.
2435         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2436         of input file info header and GOT info entry.
2437         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2438         relocation info.
2439         (Got_plt_view_info::got_descriptor): Remove.
2440         (Got_plt_view_info::sym_index): New data member.
2441         (Got_plt_view_info::input_index): New data member.
2442         (Local_got_offset_visitor::visit): Write input file index.
2443         (Global_got_offset_visitor::visit): Write 0 for input file index.
2444         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2445         with sym_index and input_index.
2446         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2447         incremental info GOT entry; replace got_descriptor with input_index.
2448         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2449         map from input file index to object.
2450         (Sized_relobj_incr::do_layout): Replace direct data member reference
2451         with accessor function.
2452         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2453         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2454         Adjust size of input file info header.
2455         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2456         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2457         (Incremental_input_entry_reader::get_input_section): Adjust size of
2458         input file info header.
2459         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2460         of incremental info GOT entry.
2461         (Incremental_got_plt_reader::get_got_desc): Remove.
2462         (Incremental_got_plt_reader::get_got_symndx): New function.
2463         (Incremental_got_plt_reader::get_got_input_index): New function.
2464         (Sized_incremental_binary::Sized_incremental_binary): Remove
2465         file_status_; add input_objects_.
2466         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2467         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2468         (Sized_incremental_binary::file_is_unchanged): Remove.
2469         (Sized_incremental_binary::set_input_object): New function.
2470         (Sized_incremental_binary::input_object): New function.
2471         (Sized_incremental_binary::file_status_): Remove.
2472         (Sized_incremental_binary::input_objects_): New data member.
2473         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2474         references.
2475         (Sized_relobj_incr::invalid_address): Move to base class.
2476         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2477         class.
2478         (Sized_relobj_incr::do_output_section_offset): Likewise.
2479         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2480         (Sized_relobj_incr::section_offsets_): Likewise.
2481         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2482         function.
2483         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2484         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2485         with accessor function.
2486         (Sized_relobj_file::do_layout): Likewise.
2487         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2488         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2489         (Sized_relobj_file::compute_final_local_value): Replace refs to
2490         section_offsets_ with accessor function.
2491         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2492         * object.h (Relobj::Relobj): Initialize new data members.
2493         (Relobj::add_dyn_reloc): New function.
2494         (Relobj::first_dyn_reloc): New function.
2495         (Relobj::dyn_reloc_count): New function.
2496         (Relobj::first_dyn_reloc_): New data member.
2497         (Relobj::dyn_reloc_count_): New data member.
2498         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2499         references.
2500         (Sized_relobj::Address): New typedef.
2501         (Sized_relobj::invalid_address): Move here from child class.
2502         (Sized_relobj::Sized_relobj): Initialize new data members.
2503         (Sized_relobj::sized_relobj): New function.
2504         (Sized_relobj::is_output_section_offset_invalid): Move here from
2505         child class.
2506         (Sized_relobj::get_output_section_offset): Likewise.
2507         (Sized_relobj::local_has_got_offset): Likewise.
2508         (Sized_relobj::local_got_offset): Likewise.
2509         (Sized_relobj::set_local_got_offset): Likewise.
2510         (Sized_relobj::do_for_all_local_got_entries): Likewise.
2511         (Sized_relobj::clear_got_offsets): New function.
2512         (Sized_relobj::section_offsets): Move here from child class.
2513         (Sized_relobj::do_output_section_offset): Likewise.
2514         (Sized_relobj::do_set_section_offset): Likewise.
2515         (Sized_relobj::Local_got_offsets): Likewise.
2516         (Sized_relobj::local_got_offsets_): Likewise.
2517         (Sized_relobj::section_offsets_): Likewise.
2518         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
2519         references.
2520         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
2521         class.
2522         (Sized_relobj_file::sized_relobj): New function
2523         (Sized_relobj_file::local_has_got_offset): Move to base class.
2524         (Sized_relobj_file::local_got_offset): Likewise.
2525         (Sized_relobj_file::set_local_got_offset): Likewise.
2526         (Sized_relobj_file::get_output_section_offset): Likewise.
2527         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
2528         (Sized_relobj_file::do_output_section_offset): Likewise.
2529         (Sized_relobj_file::do_set_section_offset): Likewise.
2530         (Sized_relobj_file::Local_got_offsets): Likewise.
2531         (Sized_relobj_file::local_got_offsets_): Likewise.
2532         (Sized_relobj_file::section_offsets_): Likewise.
2533         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
2534         (all constructors).
2535         (set_needs_dynsym_index): Convert relobj to derived class pointer.
2536         (Output_reloc::get_symbol_index): Likewise.
2537         (Output_reloc::local_section_offset): Likewise.
2538         (Output_reloc::get_address): Likewise.
2539         (Output_reloc::symbol_value): Likewise.
2540         (Output_data_got::reserve_slot): Move to class definition.
2541         (Output_data_got::reserve_local): New function.
2542         (Output_data_got::reserve_slot_for_global): Remove.
2543         (Output_data_got::reserve_global): New function.
2544         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
2545         (all constructors, two instantiations).
2546         (Output_reloc::get_relobj): New function (two instantiations).
2547         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
2548         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
2549         (Output_data_reloc::add_global): Adjust type of relobj.
2550         (Output_data_reloc::add_global_relative): Likewise.
2551         (Output_data_reloc::add_symbolless_global_addend): Likewise.
2552         (Output_data_reloc::add_local): Likewise.
2553         (Output_data_reloc::add_local_relative): Likewise.
2554         (Output_data_reloc::add_symbolless_local_addend): Likewise.
2555         (Output_data_reloc::add_local_section): Likewise.
2556         (Output_data_reloc::add_output_section): Likewise.
2557         (Output_data_reloc::add_absolute): Likewise.
2558         (Output_data_reloc::add_target_specific): Likewise.
2559         (Output_data_got::reserve_slot): Move definition here.
2560         (Output_data_got::reserve_local): New function.
2561         (Output_data_got::reserve_global): New function.
2562         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
2563         section_offsets_ with accessor function.
2564         (Sized_relobj_file::write_sections): Likewise.
2565         (Sized_relobj_file::do_relocate_sections): Likewise.
2566         * target.h (Sized_target::reserve_local_got_entry): New function.
2567         (Sized_target::reserve_global_got_entry): New function.
2568         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
2569         (Target_x86_64::reserve_global_got_entry): New function.
2570         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
2571
2572 2011-05-23 Cary Coutant  <ccoutant@google.com>
2573
2574         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
2575         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
2576         bit when checking got_type.
2577         * incremental.cc (Sized_incremental_binary::setup_readers):
2578         Store symbol table and string table locations; initialize bit vector
2579         of file status flags.
2580         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
2581         unchanged files.
2582         (Sized_incremental_binary::do_process_got_plt): New function.
2583         (Sized_incremental_binary::get_symtab_view): Use stored locations.
2584         (Output_section_incremental_inputs::set_final_data_size): Record
2585         file index for each input file.
2586         (Output_section_incremental_inputs::write_got_plt): Store file index
2587         instead of input entry offset for each GOT entry.
2588         * incremental.h
2589         (Incremental_input_entry::Incremental_input_entry): Initialize new
2590         data member.
2591         (Incremental_input_entry::set_offset): Store file index.
2592         (Incremental_input_entry::get_file_index): New function.
2593         (Incremental_input_entry::file_index_): New data member.
2594         (Incremental_binary::process_got_plt): New function.
2595         (Incremental_binary::do_process_got_plt): New function.
2596         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2597         data members.
2598         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2599         (Sized_incremental_binary::set_file_is_unchanged): New function.
2600         (Sized_incremental_binary::file_is_unchanged): New function.
2601         (Sized_incremental_binary::do_process_got_plt): New function.
2602         (Sized_incremental_binary::file_status_): New data member.
2603         (Sized_incremental_binary::main_symtab_loc_): New data member.
2604         (Sized_incremental_binary::main_strtab_loc_): New data member.
2605         * output.cc (Output_data_got::Got_entry::write): Add case
2606         RESERVED_CODE.
2607         (Output_data_got::add_global): Call add_got_entry.
2608         (Output_data_got::add_global_plt): Likewise.
2609         (Output_data_got::add_global_with_rel): Likewise.
2610         (Output_data_got::add_global_with_rela): Likewise.
2611         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2612         (Output_data_got::add_global_pair_with_rela): Likewise.
2613         (Output_data_got::add_local): Call add_got_entry.
2614         (Output_data_got::add_local_plt): Likewise.
2615         (Output_data_got::add_local_with_rel): Likewise.
2616         (Output_data_got::add_local_with_rela): Likewise.
2617         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2618         (Output_data_got::add_local_pair_with_rela): Likewise.
2619         (Output_data_got::reserve_slot): New function.
2620         (Output_data_got::reserve_slot_for_global): New function.
2621         (Output_data_got::add_got_entry): New function.
2622         (Output_data_got::add_got_entry_pair): New function.
2623         (Output_section::add_output_section_data): Edit FIXME.
2624         * output.h
2625         (Output_section_data_build::Output_section_data_build): New
2626         constructor with size parameter.
2627         (Output_data_space::Output_data_space): Likewise.
2628         (Output_data_got::Output_data_got): Initialize new data member; new
2629         constructor with size parameter.
2630         (Output_data_got::add_constant): Call add_got_entry.
2631         (Output_data_got::reserve_slot): New function.
2632         (Output_data_got::reserve_slot_for_global): New function.
2633         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2634         (Output_data_got::add_got_entry): New function.
2635         (Output_data_got::add_got_entry_pair): New function.
2636         (Output_data_got::free_list_): New data member.
2637         * target.h (Sized_target::init_got_plt_for_update): New function.
2638         (Sized_target::register_global_plt_entry): New function.
2639         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2640         Initialize new data member; call init; add constructor with PLT count.
2641         (Output_data_plt_x86_64::init): New function.
2642         (Output_data_plt_x86_64::add_relocation): New function.
2643         (Output_data_plt_x86_64::reserve_slot): New function.
2644         (Output_data_plt_x86_64::free_list_): New data member.
2645         (Target_x86_64::init_got_plt_for_update): New function.
2646         (Target_x86_64::register_global_plt_entry): New function.
2647         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2648         incremental updates.
2649         (Output_data_plt_x86_64::add_relocation): New function.
2650         * testsuite/object_unittest.cc (Object_test): Set default options.
2651
2652 2011-05-16  Ian Lance Taylor  <iant@google.com>
2653
2654         * options.h (class General_options): Make -i a synonym for -r.
2655
2656 2011-05-16  Ian Lance Taylor  <iant@google.com>
2657
2658         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2659
2660 2011-05-10 Cary Coutant  <ccoutant@google.com>
2661
2662         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2663         strip_all (-s).
2664
2665 2011-05-06  Ian Lance Taylor  <iant@google.com>
2666
2667         * layout.cc (Layout::layout): If the output section flags change,
2668         update the ordering.
2669
2670 2011-04-25 Cary Coutant  <ccoutant@google.com>
2671
2672         * incremental-dump.cc (dump_incremental_inputs): Print local
2673         symbol info for each input file.
2674         * incremental.cc
2675         (Output_section_incremental_inputs::set_final_data_size): Add local
2676         symbol info to input file entries in incremental info.
2677         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2678         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2679         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2680         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2681         implementation.
2682         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2683         (Sized_incr_relobj::do_relocate): Write the local symbols.
2684         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2685         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2686         Adjust size of input file header.
2687         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2688         (Incremental_inputs_reader::get_local_symbol_count): New function.
2689         (Incremental_inputs_reader::get_input_section): Adjust size of input
2690         file header.
2691         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2692         (Sized_incr_relobj::This): New typedef.
2693         (Sized_incr_relobj::sym_size): New const data member.
2694         (Sized_incr_relobj::Local_symbol): New struct.
2695         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2696         (Sized_incr_relobj::do_local_symbol_offset): New function.
2697         (Sized_incr_relobj::local_symbol_count_): New data member.
2698         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2699         (Sized_incr_relobj::local_symbol_index_): New data member.
2700         (Sized_incr_relobj::local_symbol_offset_): New data member.
2701         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2702         (Sized_incr_relobj::local_symbols_): New data member.
2703         * object.h (Relobj::output_local_symbol_count): New function.
2704         (Relobj::local_symbol_offset): New function.
2705         (Relobj::do_output_local_symbol_count): New function.
2706         (Relobj::do_local_symbol_offset): New function.
2707         (Sized_relobj::do_output_local_symbol_count): New function.
2708         (Sized_relobj::do_local_symbol_offset): New function.
2709
2710 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2711
2712         * descriptors.cc (set_close_on_exec): New function.
2713         (Descriptors::open): Use set_close_on_exec.
2714         * output.cc (S_ISLNK): Define if not defined.
2715
2716 2011-04-22 Cary Coutant  <ccoutant@google.com>
2717
2718         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2719         global symbol map.
2720         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2721         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2722         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2723         relocations.
2724         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2725         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2726         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2727         * incremental.h
2728         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2729         function.
2730         (Incremental_binary::apply_incremental_relocs): New function.
2731         (Incremental_binary::do_apply_incremental_relocs): New function.
2732         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2733         data member.
2734         (Sized_incremental_binary::add_global_symbol): New function.
2735         (Sized_incremental_binary::global_symbol): New function.
2736         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2737         (Sized_incremental_binary::symbol_map_): New data member.
2738         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2739         * target.h (Sized_target::apply_relocation): New function.
2740         * target-reloc.h (apply_relocation): New function.
2741         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2742
2743 2011-04-22  Doug Kwan  <dougkwan@google.com>
2744
2745         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2746         flag of a SHT_ARM_EXIDX section.
2747         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2748         * testsuite/Makefile.in: Regenerate.
2749         * testsuite/arm_exidx_test.s: New file.
2750         * testsuite/arm_exidx_test.sh: Same.
2751
2752 2011-04-20 Cary Coutant  <ccoutant@google.com>
2753
2754         PR gold/12689
2755         * archive.h (Incremental_archive_entry::Archive_member):
2756         Initialize arg_serial_ (second constructor).
2757
2758 2011-04-17  Ian Lance Taylor  <iant@google.com>
2759
2760         * object.cc (Relocate_info::location): Simplify location string.
2761         * errors.cc (Errors::error_at_location): Don't print program
2762         name.
2763         (Errors::warning_at_location): Likewise.
2764         (Errors::undefined_symbol): Likewise.
2765         * testsuite/debug_msg.sh: Update accordingly.
2766
2767 2011-04-14 Cary Coutant  <ccoutant@google.com>
2768
2769         * gold/layout.cc (Layout::symtab_section_offset): New function.
2770         * gold/layout.h (Layout::symtab_section_offset): New function.
2771         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2772
2773 2011-04-12  Ian Lance Taylor  <iant@google.com>
2774
2775         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2776         with MREMAP_MAYMOVE.
2777         * output.h (class Output_file): Add map_is_allocated_ field.
2778         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2779         not available, provide stubs.  If mremap is not available, #define
2780         it to gold_mremap.
2781         (MREMAP_MAYMOVE): Define if not defined.
2782         (Output_file::Output_file): Initialize map_is_allocated_.
2783         (Output_file::resize): Check map_is_allocated_.
2784         (Output_file::map_anonymous): If mmap fails, use malloc.
2785         (Output_file::unmap): Don't do anything for an anonymous map.
2786         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2787         is not available, provide stubs.
2788         (File_read::View::~View): Use free rather than delete[].
2789         (File_read::make_view): Use malloc rather than new[].  If mmap
2790         fails, use malloc.
2791         (File_read::find_or_make_view): Use malloc rather than new[].
2792         * gold.h: Remove HAVE_REMAP code.
2793         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2794         exists.  Rename mremap to gold_mremap.  If mmap is not available
2795         don't do anything.
2796         * configure, config.in: Rebuild.
2797
2798 2011-04-11  Ian Lance Taylor  <iant@google.com>
2799
2800         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2801         initialize local variable v.
2802
2803 2011-04-11  Cary Coutant  <ccoutant@google.com>
2804
2805         * archive.cc (Archive::include_member): Adjust call to
2806         report_object.
2807         (Add_archive_symbols::run): Track argument serial numbers.
2808         (Lib_group::include_member): Likewise.
2809         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2810         * archive.h (Incremental_archive_entry::Archive_member):
2811         Initialize arg_serial_.
2812         (Archive_member::arg_serial_): New data member.
2813         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2814         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2815         incremental link.
2816         (Sized_dynobj::do_for_all_local_got_entries): New function.
2817         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2818         function.
2819         * fileread.cc (get_mtime): New function.
2820         * fileread.h (get_mtime): New function.
2821         * gold.cc (queue_initial_tasks): Check for incremental update.
2822         (process_incremental_input): New function.
2823         (queue_middle_tasks): Don't force valid target for incremental
2824         update.
2825         * incremental-dump.cc (find_input_containing_global): Adjust
2826         size of symbol info entry.
2827         (dump_incremental_inputs): Dump argument serial number and
2828         in_system_directory flag; bias shndx by 1; print symbol names
2829         when dumping per-file symbol lists; use new symbol info readers.
2830         * incremental.cc
2831         (Output_section_incremental_inputs:update_data_size): New function.
2832         (Sized_incremental_binary::setup_readers): Setup input readers
2833         for each input file; build maps for files added from libraries
2834         and scripts.
2835         (Sized_incremental_binary::check_input_args): New function.
2836         (Sized_incremental_binary::do_check_inputs): Build map of argument
2837         serial numbers to input arguments.
2838         (Sized_incremental_binary::do_file_has_changed): Rename
2839         do_file_is_unchanged to this; compare file modification times.
2840         (Sized_incremental_binary::do_init_layout): New function.
2841         (Sized_incremental_binary::do_reserve_layout): New function.
2842         (Sized_incremental_binary::do_get_input_reader): Remove.
2843         (Sized_incremental_binary::get_symtab_view): New function.
2844         (Incremental_checker::can_incrementally_link_output_file): Remove.
2845         (Incremental_inputs::report_command_line): Exclude --debug options.
2846         (Incremental_inputs::report_archive_begin): Add parameter; track
2847         argument serial numbers; don't put input file entry for archive
2848         before archive members.
2849         (Incremental_inputs::report_archive_end): Put input file entry
2850         for archive after archive members.
2851         (Incremental_inputs::report_object): Add parameter; track argument
2852         serial numbers and in_system_directory flag.
2853         (Incremental_inputs::report_script): Add parameter; track argument
2854         serial numbers.
2855         (Output_section_incremental_inputs::set_final_data_size): Adjust
2856         size of symbol info entry; check for forwarding symbols.
2857         (Output_section_incremental_inputs::write_input_files): Write
2858         in_system_directory flag and argument serial number.
2859         (Output_section_incremental_inputs::write_info_blocks): Map section
2860         indices between incremental info and original input file; store
2861         input section index for each symbol.
2862         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2863         change operator() to visit().
2864         (class Global_got_offset_visitor): Likewise.
2865         (class Global_symbol_visitor_got_plt):
2866         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2867         classes.
2868         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2869         (Sized_incr_relobj::do_read_symbols): New function.
2870         (Sized_incr_relobj::do_layout): New function.
2871         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2872         (Sized_incr_relobj::do_add_symbols): New function.
2873         (Sized_incr_relobj::do_should_include_member): New function.
2874         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2875         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2876         (Sized_incr_relobj::do_section_size): New function.
2877         (Sized_incr_relobj::do_section_name): New function.
2878         (Sized_incr_relobj::do_section_contents): New function.
2879         (Sized_incr_relobj::do_section_flags): New function.
2880         (Sized_incr_relobj::do_section_entsize): New function.
2881         (Sized_incr_relobj::do_section_address): New function.
2882         (Sized_incr_relobj::do_section_type): New function.
2883         (Sized_incr_relobj::do_section_link): New function.
2884         (Sized_incr_relobj::do_section_info): New function.
2885         (Sized_incr_relobj::do_section_addralign): New function.
2886         (Sized_incr_relobj::do_initialize_xindex): New function.
2887         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2888         (Sized_incr_relobj::do_read_relocs): New function.
2889         (Sized_incr_relobj::do_gc_process_relocs): New function.
2890         (Sized_incr_relobj::do_scan_relocs): New function.
2891         (Sized_incr_relobj::do_count_local_symbols): New function.
2892         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2893         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2894         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2895         (Sized_incr_relobj::do_relocate): New function.
2896         (Sized_incr_relobj::do_set_section_offset): New function.
2897         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2898         (Sized_incr_dynobj::do_read_symbols): New function.
2899         (Sized_incr_dynobj::do_layout): New function.
2900         (Sized_incr_dynobj::do_add_symbols): New function.
2901         (Sized_incr_dynobj::do_should_include_member): New function.
2902         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2903         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2904         (Sized_incr_dynobj::do_section_size): New function.
2905         (Sized_incr_dynobj::do_section_name): New function.
2906         (Sized_incr_dynobj::do_section_contents): New function.
2907         (Sized_incr_dynobj::do_section_flags): New function.
2908         (Sized_incr_dynobj::do_section_entsize): New function.
2909         (Sized_incr_dynobj::do_section_address): New function.
2910         (Sized_incr_dynobj::do_section_type): New function.
2911         (Sized_incr_dynobj::do_section_link): New function.
2912         (Sized_incr_dynobj::do_section_info): New function.
2913         (Sized_incr_dynobj::do_section_addralign): New function.
2914         (Sized_incr_dynobj::do_initialize_xindex): New function.
2915         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2916         (make_sized_incremental_object): New function.
2917         (Incremental_library::copy_unused_symbols): New function.
2918         (Incremental_library::do_for_all_unused_symbols): New function.
2919         * incremental.h (enum Incremental_input_flags): New type.
2920         (class Incremental_checker): Remove.
2921         (Incremental_input_entry::Incremental_input_entry): Add argument
2922         serial number.
2923         (Incremental_input_entry::arg_serial): New function.
2924         (Incremental_input_entry::set_is_in_system_directory): New function.
2925         (Incremental_input_entry::is_in_system_directory): New function.
2926         (Incremental_input_entry::arg_serial_): New data member.
2927         (Incremental_input_entry::is_in_system_directory_): New data member.
2928         (class Script_info): Move here from script.h.
2929         (Script_info::Script_info): Add filename parameter.
2930         (Script_info::filename): New function.
2931         (Script_info::filename_): New data member.
2932         (Incremental_script_entry::Incremental_script_entry): Add argument
2933         serial number.
2934         (Incremental_object_entry::Incremental_object_entry): Likewise.
2935         (Incremental_object_entry::add_input_section): Build list of input
2936         sections with map to original shndx.
2937         (Incremental_object_entry::get_input_section_index): New function.
2938         (Incremental_object_entry::shndx_): New data member.
2939         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2940         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2941         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2942         serial number.
2943         (Incremental_inputs::report_archive_begin): Likewise.
2944         (Incremental_inputs::report_object): Likewise.
2945         (Incremental_inputs::report_script): Likewise.
2946         (class Incremental_global_symbol_reader): New class.
2947         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2948         and store flags and input file type.
2949         (Incremental_input_entry_reader::arg_serial): New function.
2950         (Incremental_input_entry_reader::type): Extract type from flags.
2951         (Incremental_input_entry_reader::is_in_system_directory): New function.
2952         (Incremental_input_entry_reader::get_input_section_count): Call
2953         accessor function for type.
2954         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2955         function for type; adjust size of global symbol entry.
2956         (Incremental_input_entry_reader::get_global_symbol_count): Call
2957         accessor function for type.
2958         (Incremental_input_entry_reader::get_object_count): Likewise.
2959         (Incremental_input_entry_reader::get_object_offset): Likewise.
2960         (Incremental_input_entry_reader::get_member_count): Likewise.
2961         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2962         (Incremental_input_entry_reader::get_member_offset): Likewise.
2963         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2964         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2965         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2966         (Incremental_input_entry_reader::get_global_symbol_reader): New
2967         function.
2968         (Incremental_input_entry_reader::get_output_symbol_index): New
2969         function.
2970         (Incremental_input_entry_reader::type_): Remove.
2971         (Incremental_input_entry_reader::flags_): New data member.
2972         (Incremental_inputs_reader::input_file_offset): New function.
2973         (Incremental_inputs_reader::input_file_index): New function.
2974         (Incremental_inputs_reader::input_file): Call input_file_offset.
2975         (Incremental_inputs_reader::input_file_at_offset): New function.
2976         (Incremental_relocs_reader::get_r_type): Reformat.
2977         (Incremental_relocs_reader::get_r_shndx): Reformat.
2978         (Incremental_relocs_reader::get_r_offset): Reformat.
2979         (Incremental_relocs_reader::data): New function.
2980         (Incremental_binary::Incremental_binary): Initialize new data members.
2981         (Incremental_binary::check_inputs): Add cmdline parameter.
2982         (Incremental_binary::file_is_unchanged): Remove.
2983         (Input_reader::arg_serial): New function.
2984         (Input_reader::get_unused_symbol_count): New function.
2985         (Input_reader::get_unused_symbol): New function.
2986         (Input_reader::do_arg_serial): New function.
2987         (Input_reader::do_get_unused_symbol_count): New function.
2988         (Input_reader::do_get_unused_symbol): New function.
2989         (Incremental_binary::input_file_count): New function.
2990         (Incremental_binary::get_input_reader): Change signature to use
2991         index instead of filename.
2992         (Incremental_binary::file_has_changed): New function.
2993         (Incremental_binary::get_input_argument): New function.
2994         (Incremental_binary::get_library): New function.
2995         (Incremental_binary::get_script_info): New function.
2996         (Incremental_binary::init_layout): New function.
2997         (Incremental_binary::reserve_layout): New function.
2998         (Incremental_binary::output_file): New function.
2999         (Incremental_binary::do_check_inputs): New function.
3000         (Incremental_binary::do_file_is_unchanged): Remove.
3001         (Incremental_binary::do_file_has_changed): New function.
3002         (Incremental_binary::do_init_layout): New function.
3003         (Incremental_binary::do_reserve_layout): New function.
3004         (Incremental_binary::do_input_file_count): New function.
3005         (Incremental_binary::do_get_input_reader): Change signature.
3006         (Incremental_binary::input_args_map_): New data member.
3007         (Incremental_binary::library_map_): New data member.
3008         (Incremental_binary::script_map_): New data member.
3009         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3010         new data members.
3011         (Sized_incremental_binary::output_section): New function.
3012         (Sized_incremental_binary::inputs_reader): Add const.
3013         (Sized_incremental_binary::symtab_reader): Add const.
3014         (Sized_incremental_binary::relocs_reader): Add const.
3015         (Sized_incremental_binary::got_plt_reader): Add const.
3016         (Sized_incremental_binary::get_symtab_view): New function.
3017         (Sized_incremental_binary::Inputs_reader): New typedef.
3018         (Sized_incremental_binary::Input_entry_reader): New typedef.
3019         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3020         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3021         (Sized_incremental_binary::do_file_has_changed): New function.
3022         (Sized_incremental_binary::do_init_layout): New function.
3023         (Sized_incremental_binary::do_reserve_layout): New function.
3024         (Sized_input_reader::Inputs_reader): Remove.
3025         (Sized_input_reader::Input_entry_reader): Remove.
3026         (Sized_input_reader::do_arg_serial): New function.
3027         (Sized_input_reader::do_get_unused_symbol_count): New function.
3028         (Sized_input_reader::do_get_unused_symbol): New function.
3029         (Sized_incremental_binary::do_input_file_count): New function.
3030         (Sized_incremental_binary::do_get_input_reader): Change signature;
3031         use index instead of filename.
3032         (Sized_incremental_binary::section_map_): New data member.
3033         (Sized_incremental_binary::input_entry_readers_): New data member.
3034         (class Sized_incr_relobj): New class.
3035         (class Sized_incr_dynobj): New class.
3036         (make_sized_incremental_object): New function.
3037         (class Incremental_library): New class.
3038         * layout.cc (Free_list::num_lists): New static data member.
3039         (Free_list::num_nodes): New static data member.
3040         (Free_list::num_removes): New static data member.
3041         (Free_list::num_remove_visits): New static data member.
3042         (Free_list::num_allocates): New static data member.
3043         (Free_list::num_allocate_visits): New static data member.
3044         (Free_list::init): New function.
3045         (Free_list::remove): New function.
3046         (Free_list::allocate): New function.
3047         (Free_list::dump): New function.
3048         (Free_list::print_stats): New function.
3049         (Layout_task_runner::run): Resize output file for incremental updates.
3050         (Layout::Layout): Initialize new data members.
3051         (Layout::set_incremental_base): New function.
3052         (Layout::init_fixed_output_section): New function.
3053         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3054         incremental updates.
3055         (Layout::create_gold_note): Do not create gold note section for
3056         incremental updates.
3057         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3058         for incremental updates.
3059         (Layout::set_section_offsets): For incremental updates, allocate space
3060         from free list.
3061         (Layout::create_symtab_sections): Layout with offsets relative to
3062         start of section; for incremental updates, allocate space from free
3063         list.
3064         (Layout::create_shdrs): For incremental updates, allocate space from
3065         free list.
3066         (Layout::finish_dynamic_section): For incremental updates, do not
3067         check --as-needed (fixed in subsequent patch).
3068         * layout.h (class Free_list): New class.
3069         (Layout::set_incremental_base): New function.
3070         (Layout::incremental_base): New function.
3071         (Layout::init_fixed_output_section): New function.
3072         (Layout::allocate): New function.
3073         (Layout::incremental_base_): New data member.
3074         (Layout::free_list_): New data member.
3075         * main.cc (main): Print Free_list statistics.
3076         * object.cc (Relobj::finalize_incremental_relocs): Add
3077         clear_counts parameter; clear counts only when clear_counts is set.
3078         (Sized_relobj::Sized_relobj): Initialize new base class.
3079         (Sized_relobj::do_layout): Don't report special sections.
3080         (Sized_relobj::do_for_all_local_got_entries): New function.
3081         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3082         symtab_off to all symbol table offsets.
3083         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3084         * object.h (class Got_offset_list): Move to top of file.
3085         (Object::Object): Allow case where input_file == NULL.
3086         (Object::~Object): Likewise.
3087         (Object::input_file): Assert that input_file != NULL.
3088         (Object::lock): Allow case where input_file == NULL.
3089         (Object::unlock): Likewise.
3090         (Object::is_locked): Likewise.
3091         (Object::token): Likewise.
3092         (Object::release): Likewise.
3093         (Object::is_incremental): New function.
3094         (Object::get_mtime): New function.
3095         (Object::for_all_local_got_entries): New function.
3096         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3097         (Object::set_is_in_system_directory): New function.
3098         (Object::is_in_system_directory): New function.
3099         (Object::do_is_incremental): New function.
3100         (Object::do_get_mtime): New function.
3101         (Object::do_for_all_local_got_entries): New function.
3102         (Object::is_in_system_directory_): New data member.
3103         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3104         (class Sized_relobj_base): New class.
3105         (class Sized_relobj): Derive from Sized_relobj_base.
3106         (class Sized_relobj::Symbols): Redeclare from base class.
3107         (class Sized_relobj::local_got_offset_list): Remove.
3108         (class Sized_relobj::Output_sections): Redeclare from base class.
3109         (class Sized_relobj::do_for_all_local_got_entries): New function.
3110         (class Sized_relobj::write_local_symbols): Add offset parameter.
3111         (class Sized_relobj::local_symbol_offset_): Update comment.
3112         (class Sized_relobj::local_dynsym_offset_): Update comment.
3113         * options.cc (Input_arguments::add_file): Remove const.
3114         * options.h (Input_file_argument::Input_file_argument):
3115         Initialize arg_serial_ (all constructors).
3116         (Input_file_argument::set_arg_serial): New function.
3117         (Input_file_argument::arg_serial): New function.
3118         (Input_file_argument::arg_serial_): New data member.
3119         (Input_arguments::Input_arguments): Initialize file_count_.
3120         (Input_arguments::add_file): Remove const.
3121         (Input_arguments::number_of_input_files): New function.
3122         (Input_arguments::file_count_): New data member.
3123         (Command_line::number_of_input_files): Call
3124         Input_arguments::number_of_input_files.
3125         * output.cc (Output_segment_headers::Output_segment_headers):
3126         Set current size.
3127         (Output_section::Input_section::current_data_size): New function.
3128         (Output_section::Output_section): Initialize new data members.
3129         (Output_section::add_input_section): Don't do merge sections for
3130         an incremental link; allocate space from free list for an
3131         incremental update.
3132         (Output_section::add_output_section_data): Allocate space from
3133         free list for an incremental update.
3134         (Output_section::update_data_size): New function.
3135         (Output_section::set_fixed_layout): New function.
3136         (Output_section::reserve): New function.
3137         (Output_segment::set_section_addresses): Remove const.
3138         (Output_segment::set_section_list_addresses): Remove const; allocate
3139         space from free list for an incremental update.
3140         (Output_segment::set_offset): Adjust size of RELRO segment for an
3141         incremental update.
3142         * output.h (Output_data::current_data_size): Move here from
3143         child classes.
3144         (Output_data::pre_finalize_data_size): New function.
3145         (Output_data::update_data_size): New function.
3146         (Output_section_headers::update_data_size): new function.
3147         (Output_section_data_build::current_data_size): Move to Output_data.
3148         (Output_data_strtab::update_data_size): New function.
3149         (Output_section::current_data_size): Move to Output_data.
3150         (Output_section::set_fixed_layout): New function.
3151         (Output_section::has_fixed_layout): New function.
3152         (Output_section::reserve): New function.
3153         (Output_section::update_data_size): New function.
3154         (Output_section::has_fixed_layout_): New data member.
3155         (Output_section::free_list_): New data member.
3156         (Output_segment::set_section_addresses): Remove const.
3157         (Output_segment::set_section_list_addresses): Remove const.
3158         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3159         New function.
3160         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3161         New function.
3162         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3163         parameter when calling Add_symbols constructor; store argument
3164         serial number for members of a lib group.
3165         (Add_symbols::locks): Allow case where token == NULL.
3166         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3167         (Read_member::~Read_member): New function.
3168         (Read_member::is_runnable): New function.
3169         (Read_member::locks): New function.
3170         (Read_member::run): New function.
3171         (Check_script::~Check_script): New function.
3172         (Check_script::is_runnable): New function.
3173         (Check_script::locks): New function.
3174         (Check_script::run): New function.
3175         (Check_library::~Check_library): New function.
3176         (Check_library::is_runnable): New function.
3177         (Check_library::locks): New function.
3178         (Check_library::run): New function.
3179         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3180         (Add_symbols::library_): New data member.
3181         (class Read_member): New class.
3182         (class Check_script): New class.
3183         (class Check_library): New class.
3184         * reloc.cc (Read_relocs::is_runnable): Allow case where
3185         token == NULL.
3186         (Read_relocs::locks): Likewise.
3187         (Scan_relocs::locks): Likewise.
3188         (Relocate_task::locks): Likewise.
3189         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3190         to clear counters.
3191         (Sized_relobj::incremental_relocs_scan): Fix comment.
3192         (Sized_relobj::do_relocate): Pass output file offset to
3193         write_local_symbols.
3194         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3195         from class declaration.
3196         * script.cc (read_input_script): Allocate Script_info; pass
3197         argument serial number to report_script.
3198         * script.h (class Script_info): Move to incremental.h.
3199         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3200         * symtab.h (Symbol_table::add_from_incrobj): New function.
3201         (Symbol_table::set_file_offset): New function.
3202
3203 2011-04-05  Cary Coutant  <ccoutant@google.com>
3204
3205         * incremental-dump.cc (dump_incremental_inputs): Change signature
3206         to take a Sized_incremental_binary; change caller.  Use readers
3207         in Sized_incremental_binary.
3208         * incremental.cc
3209         (Sized_incremental_binary::find_incremental_inputs_sections):
3210         Rename do_find_incremental_inputs_sections to this.
3211         (Sized_incremental_binary::setup_readers): New function.
3212         (Sized_incremental_binary::do_check_inputs): Check
3213         has_incremental_info_ flag; move setup code to setup_readers;
3214         use input readers.
3215         (Sized_incremental_binary::do_file_is_unchanged): New function.
3216         (Sized_incremental_binary::do_get_input_reader): New function.
3217         * incremental.h (class Incremental_binary): Move to end of file.
3218         (Incremental_binary::file_is_unchanged): New function.
3219         (Incremental_binary::do_file_is_unchanged): New function.
3220         (Incremental_binary::Input_reader): New class.
3221         (Incremental_binary::get_input_reader): New function.
3222         (class Sized_incremental_binary): Move to end of file.
3223         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3224         input section reader classes.
3225         (Sized_incremental_binary::has_incremental_info): New function.
3226         (Sized_incremental_binary::inputs_reader): New function.
3227         (Sized_incremental_binary::symtab_reader): New function.
3228         (Sized_incremental_binary::relocs_reader): New function.
3229         (Sized_incremental_binary::got_plt_reader): New function.
3230         (Sized_incremental_binary::do_file_is_unchanged): New function.
3231         (Sized_incremental_binary::Sized_input_reader): New class.
3232         (Sized_incremental_binary::get_input_reader): New function.
3233         (Sized_incremental_binary::find_incremental_inputs_sections):
3234         Rename do_find_incremental_inputs_sections to this.
3235         (Sized_incremental_binary::setup_readers): New function.
3236         (Sized_incremental_binary::has_incremental_info_): New data member.
3237         (Sized_incremental_binary::inputs_reader_): New data member.
3238         (Sized_incremental_binary::symtab_reader_): New data member.
3239         (Sized_incremental_binary::relocs_reader_): New data member.
3240         (Sized_incremental_binary::got_plt_reader_): New data member.
3241         (Sized_incremental_binary::current_input_file_): New data member.
3242
3243 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3244
3245         PR gold/12640
3246         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3247         violation.
3248
3249 2011-03-30  Cary Coutant  <ccoutant@google.com>
3250
3251         * archive.cc (Archive::include_member): Adjust call to report_object.
3252         (Add_archive_symbols::run): Add script_info to call to
3253         report_archive_begin.
3254         (Lib_group::include_member): Adjust call to report_object.
3255         (Add_lib_group_symbols::run): Adjust call to report_object.
3256         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3257         blocks.  Add object count for script input files.
3258         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3259         script_info parameter; change all callers.
3260         (Incremental_inputs::report_object): Add script_info parameter;
3261         change all callers.
3262         (Incremental_inputs::report_script): Store backpointer to
3263         incremental info entry.
3264         (Output_section_incremental_inputs::set_final_data_size): Record
3265         additional information for scripts.
3266         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3267         * incremental.h (Incremental_script_entry::add_object): New function.
3268         (Incremental_script_entry::get_object_count): New function.
3269         (Incremental_script_entry::get_object): New function.
3270         (Incremental_script_entry::objects_): New data member; adjust
3271         constructor.
3272         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3273         (Incremental_inputs::report_object): Add script_info parameter.
3274         (Incremental_inputs_reader::get_object_count): New function.
3275         (Incremental_inputs_reader::get_object_offset): New function.
3276         * options.cc (Input_arguments::add_file): Return reference to
3277         new input argument.
3278         * options.h (Input_argument::set_script_info): New function.
3279         (Input_argument::script_info): New function.
3280         (Input_argument::script_info_): New data member; adjust all
3281         constructors.
3282         (Input_file_group::add_file): Return reference to new input argument.
3283         (Input_file_lib::add_file): Likewise.
3284         (Input_arguments::add_file): Likewise.
3285         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3286         * script.cc (Parser_closure::Parser_closure): Add script_info
3287         parameter; adjust all callers.
3288         (Parser_closure::script_info): New function.
3289         (Parser_closure::script_info_): New data member.
3290         (read_input_script): Report scripts earlier to incremental info.
3291         (script_add_file): Set script_info in Input_argument.
3292         (script_add_library): Likewise.
3293         * script.h (Script_options::Script_info): Rewrite class.
3294
3295 2011-03-29  Cary Coutant  <ccoutant@google.com>
3296
3297         * archive.cc (Library_base::should_include_member): Move
3298         method here from class Archive.
3299         (Archive::Archive): Initialize base class.
3300         (Archive::should_include_member): Move to base class.
3301         (Archive::do_for_all_unused_symbols): New function.
3302         (Add_archive_symbols::run): Remove redundant access to
3303         incremental_inputs.
3304         (Lib_group::Lib_group): Initialize base class.
3305         (Lib_group::do_filename): New function.
3306         (Lib_group::include_member): Pass pointer to Lib_group to
3307         report_object.
3308         (Lib_group::do_for_all_unused_symbols): New function.
3309         (Add_lib_group_symbols::run): Report archive information for
3310         incremental links.
3311         * archive.h (class Library_base): New base class.
3312         (class Archive): Derive from Library_base.
3313         (Archive::filename): Move to base class.
3314         (Archive::set_incremental_info): Likewise.
3315         (Archive::incremental_info): Likewise.
3316         (Archive::Should_include): Likewise.
3317         (Archive::should_include_member): Likewise.
3318         (Archive::Armap_entry): Remove.
3319         (Archive::Unused_symbol_iterator): Remove.
3320         (Archive::unused_symbols_begin): Remove.
3321         (Archive::unused_symbols_end): Remove.
3322         (Archive::do_filename): New function.
3323         (Archive::do_get_mtime): New function.
3324         (Archive::do_for_all_unused_symbols): New function.
3325         (Archive::task_): Move to base class.
3326         (Archive::incremental_info_): Likewise.
3327         (class Lib_group): Derive from Library_base.
3328         (Lib_group::do_filename): New function.
3329         (Lib_group::do_get_mtime): New function.
3330         (Lib_group::do_for_all_unused_symbols): New function.
3331         (Lib_group::task_): Move to base class.
3332         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3333         function.
3334         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3335         function.
3336         * incremental.cc (Incremental_inputs::report_archive_begin):
3337         Use Library_base; call library's get_mtime; add incremental inputs
3338         entry before members.
3339         (class Unused_symbol_visitor): New class.
3340         (Incremental_inputs::report_archive_end): Use Library_base; use
3341         visitor class to record unused symbols; don't add incremental inputs
3342         entry after members.
3343         (Incremental_inputs::report_object): Use Library_base.
3344         * incremental.h
3345         (Incremental_archive_entry::Incremental_archive_entry): Remove
3346         unused Archive parameter.
3347         (Incremental_inputs::report_archive_begin): Use Library_base.
3348         (Incremental_inputs::report_archive_end): Likewise.
3349         (Incremental_inputs::report_object): Likewise.
3350         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3351         function.
3352         * object.h (Object::for_all_global_symbols): New function.
3353         (Object::do_for_all_global_symbols): New function.
3354         (Sized_relobj::do_for_all_global_symbols): New function.
3355         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3356         function.
3357         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3358         function.
3359
3360 2011-03-27  Ian Lance Taylor  <iant@google.com>
3361
3362         * archive.cc (Archive::interpret_header): Return -1 if something
3363         goes wrong.  Change callers accordingly.
3364
3365 2011-03-25  Cary Coutant  <ccoutant@google.com>
3366
3367         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3368         * testsuite/Makefile.in: Regenerate.
3369
3370 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3371
3372         * plugin.cc (get_view): New.
3373         (Plugin::load): Pass get_view to the plugin.
3374         (Plugin_manager::get_view): New.
3375
3376 2011-03-21  Ian Lance Taylor  <iant@google.com>
3377
3378         * testsuite/final_layout.sh: Rewrite to not use dc.
3379         * testsuite/relro_test.sh: Fail if dc is not present.
3380
3381 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3382
3383         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3384         Change == to -eq.
3385         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3386         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3387         Change == to -eq.
3388         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3389         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3390
3391 2011-03-14  Ian Lance Taylor  <iant@google.com>
3392
3393         * script-sections.cc (Sort_output_sections::script_compare):
3394         Rename from is_before, change return type.
3395         (Sort_output_sections::operator()): Adjust accordingly.
3396
3397 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3398
3399         PR gold/12572
3400         * testsuite/odr_violation2.cc: Add comment to make all error line
3401         numbers double digits.
3402         * testsuite/debug_msg.sh: Adjust expected errors.
3403
3404 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3405
3406         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3407         but mark earlier ones as non-canonical
3408         (offset_to_iterator): Update search target and example
3409         (do_addr2line): Return extra lines in a vector*
3410         (format_file_lineno): Extract from do_addr2line
3411         (one_addr2line): Add vector* out-param
3412         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3413         when a lineno entry appeared last for its instruction
3414         (Dwarf_line_info): Add vector* out-param
3415         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3416         * symtab.cc (Odr_violation_compare): Include the lineno in the
3417         comparison again.
3418         (linenos_from_loc): New. Combine the canonical line for an
3419         address with its other lines.
3420         (True_if_intersect): New. Helper functor to make
3421         std::set_intersection a query.
3422         (detect_odr_violations): Compare sets of lines instead of just
3423         one line for each function. This became less deterministic, but
3424         has fewer false positives.
3425         * symtab.h: Declarations.
3426         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3427         mix an optimized and non-optimized object in the same binary
3428         (odr_violation2.so): Same.
3429         * testsuite/Makefile.in: Regenerate from Makefile.am.
3430         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3431         * testsuite/debug_msg.sh: Update line numbers and add
3432         assertions.
3433         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3434         non-optimized context.
3435         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3436         isn't inlined, and use OdrDerived in an optimized context.
3437         * testsuite/odr_header1.h: Defines OdrDerived, where
3438         optimization will change the
3439         first-instruction-in-the-destructor's file and line number.
3440         * testsuite/odr_header2.h: Defines OdrBase.
3441
3442 2011-03-09  Ian Lance Taylor  <iant@google.com>
3443
3444         * fileread.cc (File_read::clear_views): Don't delete the whole
3445         file view.
3446
3447 2011-03-08  Ian Lance Taylor  <iant@google.com>
3448
3449         PR gold/12525
3450         * fileread.cc: #include <climits>.
3451         (GOLD_IOV_MAX): Define.
3452         (File_read::read_multiple): Limit number of entries by iov_max.
3453         * fileread.h (class File_read): Always set max_readv_entries to
3454         128.
3455
3456 2011-03-07  Ian Lance Taylor  <iant@google.com>
3457
3458         PR gold/12525
3459         * options.h (class General_options): Add -dy and -dn.
3460
3461 2011-03-02  Cary Coutant  <ccoutant@google.com>
3462
3463         * testsuite/script_test_9.t: Add TLS segment.
3464
3465 2011-03-02  Simon Baldwin  <simonb@google.com>
3466
3467         * configure.ac: Add check for gnu_indirect_function support in
3468         the toolchain building binutils.
3469         * configure: Rebuild.
3470
3471 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3472
3473         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3474         plugin only symbols.
3475         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3476         in plugin files as not needed in the symbol table.
3477
3478 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3479
3480         * output.cc (Output_section::add_input_section): Delay fill
3481         generation for section ordering.
3482
3483 2011-02-09  Ian Lance Taylor  <iant@google.com>
3484
3485         PR gold/12316
3486         * object.h (class Sized_relobj): Remove clear_local_symbols.
3487         * reloc.cc (Sized_relobj::do_relocate): Don't call
3488         clear_local_symbols.
3489
3490 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3491
3492         * plugin.cc (is_visible_from_outside): Return true for symbols
3493         in the -u option.
3494
3495 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3496
3497         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3498         filename.
3499
3500 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
3501
3502         * icf.h (is_section_foldable_candidate): Change type of parameter
3503         to std::string.
3504         * icf.cc (Icf::find_identical_sections): Change type of local variable
3505         section_name to be std::string.
3506         (is_function_ctor_or_dtor): Change type of parameter to std::string.
3507
3508 2011-01-25  Ian Lance Taylor  <iant@google.com>
3509
3510         * script.cc (script_add_extern): Rewrite to use
3511         add_symbol_reference.
3512
3513 2011-01-25  Doug Kwan  <dougkwan@google.com>
3514
3515         * icf.cc (get_section_contents): Always lock section's object.
3516
3517 2011-01-24  Ian Lance Taylor  <iant@google.com>
3518
3519         * options.h (class General_options): Accept
3520         --no-detect-odr-violations.
3521
3522 2011-01-24  Ian Lance Taylor  <iant@google.com>
3523
3524         * version.cc (version_string): Bump to 1.11.
3525
3526 2011-01-24  Ian Lance Taylor  <iant@google.com>
3527
3528         * plugin.cc (class Plugin_rescan): Define new class.
3529         (Plugin_manager::claim_file): Set any_claimed_.
3530         (Plugin_manager::save_archive): New function.
3531         (Plugin_manager::save_input_group): New function.
3532         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
3533         necessary.
3534         (Plugin_manager::new_undefined_symbol): New function.
3535         (Plugin_manager::rescan): New function.
3536         (Plugin_manager::rescannable_defines): New function.
3537         (Plugin_manager::add_input_file): Set any_added_.
3538         * plugin.h (class Plugin_manager): define new fields rescannable_,
3539         undefined_symbols_, any_claimed_, and any_added_.  Declare
3540         Plugin_rescan as friend.  Declare new functions.
3541         (Plugin_manager::Rescannable): Define type.
3542         (Plugin_manager::Rescannable_list): Define type.
3543         (Plugin_manager::Undefined_symbol_list): Define type.
3544         (Plugin_manager::Plugin_manager): Initialize new fields.
3545         * archive.cc (Archive::defines_symbol): New function.
3546         (Add_archive_symbols::run): Pass archive to plugins if any.
3547         * archive.h (class Archive): Declare defines_symbol.
3548         * readsyms.cc (Input_group::~Input_group): New function.
3549         (Finish_group::run): Pass input_group to plugins if any.
3550         * readsyms.h (class Input_group): Declare destructor.
3551         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
3552         any.
3553
3554 2011-01-10  Ian Lance Taylor  <iant@google.com>
3555
3556         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
3557         section as relro.
3558         (Layout::set_segment_offsets): Reset increase_relro before calling
3559         set_section_addresses a second time.
3560
3561 2011-01-04  Cary Coutant  <ccoutant@google.com>
3562
3563         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
3564         sections before NOBITS sections.
3565
3566 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
3567
3568         * version.cc (print_version): Update copyright to 2011.
3569
3570 2010-12-23  Cary Coutant  <ccoutant@google.com>
3571
3572         * output.h (Output_data_reloc::add_output_section): Pass OD instead
3573         of OS to this->add.  Add OD parameter to second form of the function.
3574
3575 2010-12-20  Ian Lance Taylor  <iant@google.com>
3576
3577         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
3578         second of two consecutive entries with same offset.
3579
3580 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3581
3582         * testsuite/Makefile.am (ifuncmain2static_LDADD)
3583         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
3584         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
3585         to avoid unneeded links against $(LDADD).
3586         * testsuite/Makefile.in: Regenerate.
3587
3588 2010-12-15  Ian Lance Taylor  <iant@google.com>
3589
3590         PR gold/12324
3591         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
3592         for R_X86_64_32 and R_X86_64_PC32.
3593         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
3594         ver_matching_def_pic.o.
3595         (ver_matching_def_pic.o): New target.
3596
3597 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3598
3599         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3600         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3601         Move definition before File_read::View member definitions.
3602         (File_read::View::~View): Initialize and hold lock before
3603         updating current_mapped_bytes.
3604
3605 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3606
3607         * dwarf_reader.cc: Remove outdated comment.
3608         * gold-threads.cc: Fix typo in error message.
3609         * archive.cc: Fix typos in comments.
3610         * archive.h: Likewise.
3611         * arm-reloc-property.cc: Likewise.
3612         * arm-reloc-property.h: Likewise.
3613         * arm-reloc.def: Likewise.
3614         * arm.cc: Likewise.
3615         * attributes.h: Likewise.
3616         * cref.cc: Likewise.
3617         * ehframe.cc: Likewise.
3618         * fileread.h: Likewise.
3619         * gold.h: Likewise.
3620         * i386.cc: Likewise.
3621         * icf.cc: Likewise.
3622         * incremental.h: Likewise.
3623         * int_encoding.cc: Likewise.
3624         * layout.h: Likewise.
3625         * main.cc: Likewise.
3626         * merge.h: Likewise.
3627         * object.cc: Likewise.
3628         * object.h: Likewise.
3629         * options.cc: Likewise.
3630         * readsyms.cc: Likewise.
3631         * reduced_debug_output.cc: Likewise.
3632         * reloc.cc: Likewise.
3633         * script-sections.cc: Likewise.
3634         * sparc.cc: Likewise.
3635         * symtab.h: Likewise.
3636         * target-reloc.h: Likewise.
3637         * target.cc: Likewise.
3638         * target.h: Likewise.
3639         * timer.cc: Likewise.
3640         * timer.h: Likewise.
3641         * x86_64.cc: Likewise.
3642
3643 2010-12-09  Cary Coutant  <ccoutant@google.com>
3644
3645         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3646         stack.
3647         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3648         parameter; change all callers.
3649         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3650         * options.h (warn_execstack): New option.
3651
3652 2010-12-07  Doug Kwan  <dougkwan@google.com>
3653
3654         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3655         like function call relocations.
3656
3657 2010-12-07  Ian Lance Taylor  <iant@google.com>
3658
3659         * archive.cc (Archive::get_elf_object_for_member): Permit
3660         punconfigured to be NULL.
3661         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3662         (Archive::include_member): Pass NULL to get_elf_object_for_member
3663         if we searched for the archive and this is the first included
3664         object.
3665
3666 2010-12-01  Ian Lance Taylor  <iant@google.com>
3667
3668         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3669         track_relocs_type_ field.
3670         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3671         Set track_relocs_type_.
3672         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3673         contents when using RELA relocs.
3674         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3675         reloc_map_.
3676         * reloc.cc (Track_relocs::next_addend): New function.
3677         * reloc.h (class Track_relocs): Declare next_addend.
3678
3679 2010-12-01  Ian Lance Taylor  <iant@google.com>
3680
3681         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3682         virtual destructor.
3683
3684 2010-12-01  Ian Lance Taylor  <iant@google.com>
3685
3686         * README: Update compilers known to work and fail.
3687
3688 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3689
3690         * configure.in: For --enable-gold, handle value `default' instead of
3691         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3692         not the default.
3693         * configure: Regenerate.
3694
3695 2010-11-18  Doug Kwan  <dougkwan@google.com>
3696
3697         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3698         and right_alignment to be zero.  Store result alignment only if it is
3699         greater than existing alignment.
3700
3701 2010-11-16  Cary Coutant  <ccoutant@google.com>
3702
3703         PR gold/12220
3704         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3705         Check for ".zdebug_line".
3706
3707 2010-11-16  Doug Kwan  <dougkwan@google.com>
3708             Cary Coutant  <ccoutant@google.com>
3709
3710         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3711         by reference; adjust all callers.
3712         * output.cc (Output_segment::set_section_addresses): Adjust references
3713         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3714         list is empty.
3715         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3716         end at page boundary.
3717
3718 2010-11-16  Cary Coutant  <ccoutant@google.com>
3719
3720         PR gold/12220
3721         * layout.cc (Layout::choose_output_section): Transform names of
3722         compressed sections even when using a script with a SECTIONS clause.
3723         (Layout::output_section_name): Remove code to transform
3724         compressed debug section names.
3725         * output.cc (Output_section::add_input_section): Use uncompressed
3726         section size when tracking input sections.
3727
3728 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3729
3730         * symtab.h (Symbol::NON_PIC_REF): Remove.
3731         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3732         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3733         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3734         (Symbol::use_plt_offset): Take a flags argument and pass it
3735         directly to needs_dynamic_reloc.  Restrict check for undefined
3736         weak symbols to function calls.
3737         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3738         (Target_arm::Scan::global): Use it.
3739         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3740         (Target_arm::Relocate::relocate): Likewise.
3741         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3742         parameter with an r_type parameter.  Use get_reference_flags
3743         to get the flags.
3744         (Target_arm::Relocate::relocate): Update accordingly.
3745         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3746         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3747         (Target_i386::Scan::global): Likewise.
3748         (Target_i386::Relocate::relocate): Likewise.
3749         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3750         parameter with an r_type parameter.  Use get_reference_flags
3751         to get the flags.
3752         (Target_i386::Relocate::relocate): Update accordingly.
3753         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3754         (Target_powerpc::Scan::global): Use it.
3755         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3756         (Target_powerpc::Relocate::relocate): Likewise.
3757         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3758         (Target_sparc::Scan::global): Use it.
3759         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3760         (Target_sparc::Relocate::relocate): Likewise.
3761         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3762         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3763         (Target_x86_64::Scan::global): Likewise.
3764         (Target_x86_64::Relocate::relocate): Likewise.
3765
3766 2010-11-08  Doug Kwan  <dougkwan@google.com>
3767             Cary Coutant  <ccoutant@google.com>
3768
3769         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3770         (Arm_exidx_merge_section::section_contents_): New data member.
3771         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3772         (Arm_input_section::~Arm_input_section): De-allocate memory.
3773         (Arm_input_section::original_contents_): New data member.
3774         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3775         in parameters instead of calling Object::section_contents without
3776         locking.
3777         (Arm_output_section::group_section): New parameter TASK.  Pass it
3778         to callees that need locking objects.
3779         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3780         to lock EXIDX input sections.  Fix a formatting issue.  Call
3781         Arm_exidx_merged_section::build_contents to create merged section
3782         contents.
3783         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3784         to lock object of stub table owner.
3785         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3786         TEXT_SIZE to initialize data member TEXT_SIZE_.
3787         (Arm_exidx_input_section::addralign): Fix typo in comment.
3788         (Arm_exidx_input_section::text_size): New method.
3789         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3790         that require locking objects.  Lock objects before scanning for stubs
3791         and updating local symbols.
3792         (Arm_input_section<big_endian>::init): Copy contents of original
3793         input section.
3794         (Arm_input_section<big_endian>::do_write): Use saved contents of
3795         original input section instead of calling Object::section_contents
3796         without locking.
3797         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3798         size without calling Object::section_size().
3799         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3800         for size.  Allocate a buffer for merged EXIDX entries.
3801         (Arm_exidx_merged_section::build_contents): New method.
3802         (Arm_exidx_merged_section::do_write): Move merge section contents
3803         building code to Arm_exidx_merged_section::build_contetns.  Write
3804         out contetns in buffer instead of building it on the fly.
3805         (Arm_relobj::make_exidx_input_section): Also pass text section size
3806         to Arm_exidx_input_section constructor.
3807         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3808         (Arm_dynobj::do_read_symbols): Fix memory leak.
3809         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3810         * target.h: (class Task): Add forward declaration.
3811         (Target::relax): Add new parameter TASK and pass it to
3812         Target::do_relax().
3813         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3814
3815 2010-11-05  Cary Coutant  <ccoutant@google.com>
3816
3817         PR gold/10708
3818         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3819         object when reading from the file.
3820         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3821         second layout pass.
3822         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3823         when reading section contents.
3824         (get_section_contents): Likewise.
3825         (icf::find_identical_sections): Likewise.
3826         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3827         object when reading from the file.
3828         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3829         the object when doing deferred section layout.
3830
3831 2010-11-03  Nick Clifton  <nickc@redhat.com>
3832
3833         PR gold/12001
3834         * script.h (class Symbol_assignment: name): New member.  Returns
3835         the name of the symbol.
3836         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3837         Returns true if the given symbol name is on the list of
3838         assignments wating to be processed.
3839         * archive.cc (should_incldue_member): If the symbol is undefined,
3840         check to see if it is on the list of symbols pending assignment.
3841
3842 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3843
3844         * script-sections.cc (Script_sections::find_memory_region): Check
3845         for a NULL output section pointer.
3846
3847 2010-10-29  Doug Kwan  <dougkwan@google.com>
3848
3849         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3850         Output_section::add_relaxed_input_section.
3851         * output.cc (Output_section::add_relaxed_input_section): Add new
3852         arguments LAYOUT and NAME.  Set section order index.
3853         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3854         Copy section order index.
3855         * output.h (Output_section::add_relaxed_input_section): Add new
3856         arguments LAYOUT and NAME.
3857
3858 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3859
3860         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3861         NATIVE_OR_CROSS_LINKER.
3862         * testsuite/Makefile.in: Regenerate.
3863
3864 2010-10-20  Doug Kwan  <dougkwan@google.com>
3865
3866         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3867         without SHF_LINK_ORDER flags.
3868         * layout.cc (Layout::choose_output_section): Do not filter
3869         SHF_LINK_ORDER flag in a relocatable link.
3870
3871 2010-10-17  Cary Coutant  <ccoutant@google.com>
3872
3873         * output.h (Output_segment::set_section_addresses): Change function
3874         signature.  Update all callers.
3875         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3876         sections.
3877         (Output_segment::set_section_addresses): Align after last TLS
3878         section.  Add padding before last relro section instead of after.
3879
3880 2010-10-17  Doug Kwan  <dougkwan@google.com>
3881
3882         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3883         GOT output section to be writable.
3884
3885 2010-10-14  Cary Coutant  <ccoutant@google.com>
3886
3887         * debug.h (DEBUG_INCREMENTAL): New flag.
3888         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3889         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3890         mode.
3891         * incremental.cc (report_command_line): Ignore all forms of
3892         --incremental.
3893         * layout.cc (Layout::Layout): Check parameters for incremental link
3894         mode.
3895         * options.cc (General_options::parse_incremental): New function.
3896         (General_options::parse_no_incremental): New function.
3897         (General_options::parse_incremental_full): New function.
3898         (General_options::parse_incremental_update): New function.
3899         (General_options::incremental_mode_): New data member.
3900         (General_options::finalize): Check incremental_mode_.
3901         * options.h (General_options): Update help text for --incremental.
3902         Add --no-incremental, --incremental-full, --incremental-update.
3903         (General_options::Incremental_mode): New enum type.
3904         (General_options::incremental_mode): New function.
3905         (General_options::incremental_mode_): New data member.
3906         * parameters.cc (Parameters::incremental_mode_): New data member.
3907         (Parameters::set_options): Set incremental_mode_.
3908         (Parameters::set_incremental_full): New function.
3909         (Parameters::incremental): New function.
3910         (Parameters::incremental_update): New function.
3911         (set_parameters_incremental_full): New function.
3912         * parameters.h (Parameters::set_incremental_full): New function.
3913         (Parameters::incremental): New function.
3914         (Parameters::incremental_update): New function.
3915         (Parameters::incremental_mode_): New data member.
3916         (set_parameters_incremental_full): New function.
3917         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3918         incremental link mode.
3919         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3920         (Sized_relobj::do_relocate_sections): Likewise.
3921         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3922         option.
3923         * testsuite/Makefile.in: Regenerate.
3924         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3925
3926 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3927
3928         * script-sections.h (class Script_sections): Make
3929         Sections_elements typedef public.
3930         * script-sections.cc (class Sort_output_sections): Add elements_
3931         field.  Add constructor which sets it; change all callers.
3932         (Sort_output_sections::is_before): New function.
3933         (Sort_output_sections::operator()): Call is_before.
3934         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3935         conditional.
3936         * testsuite/script_test_10.sh: New test. Test script section
3937         order.
3938         * testsuite/script_test_10.t: Likewise.
3939         * testsuite/script_test_10.s: Likewise.
3940         * testsuite/Makefile.am: Wrap the cross linker tests and the
3941         common tests into NATIVE_OR_CROSS_LINKER.
3942         (check_SCRIPTS): Add script_test_10.sh.
3943         (check_DATA): Add script_test_10.stdout.
3944         (script_test_10.o, script_test_10): New targets.
3945         (script_test_10.stdout): New target.
3946         * configure, testsuite/Makefile.in: Regenerate.
3947
3948 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3949
3950         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3951         error for the deprecated relocations.
3952         (Target_arm::Scan::global): Likewise.
3953         (Target_arm::Relocate::relocate): Likewise.
3954
3955 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3956
3957         * fileread.cc (Input_file::find_file): Initialize *found_name
3958         and *namep when using the fallback search for case 4.
3959
3960 2010-10-11  Cary Coutant  <ccoutant@google.com>
3961
3962         * options.h (class General_options): Redefine -z lazy as an alias for
3963         the negation of -z now.
3964
3965 2010-10-11  Ian Lance Taylor  <iant@google.com>
3966
3967         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3968         binding.
3969
3970 2010-10-06  Nick Clifton  <nickc@redhat.com>
3971
3972         * script-sections.cc(class Memory_region): Remove
3973         current_lma_offset_ field.  Rename current_vma_offset_ to
3974         current_offset_.  Add last_section_ field.
3975         (Memory_region::get_current_vma_address): Rename to
3976         get_current_address.
3977         (Memory_region::get_current_lma_address): Delete.
3978         (Memory_region::increment_vma_offset): Rename to
3979         increment_offset.
3980         (Memory_region::increment_lma_offset): Delete.
3981         (Memory_region::attributes_compatible): New method.  Returns
3982         true if the provided section is compatible with the region.
3983         (Memory_region::get_last_section): New method.  Returns the last
3984         section to use the region.
3985         (Memory_region::set_last_section): New method.  Stores the last
3986         section to use the region.
3987         (Script_sections::block_in_region): New method.  Returns true if
3988         a block of memory is contained within a region.
3989         (Script_sections::find_memory_region): New method.  Locates a
3990         memory region to be used to set a VMA or LMA address.
3991         (Output_section_definition::set_section_addresses): Add code to
3992         check for addresses set by memory regions.
3993         (Output_segment::set_section_addresses): Remove memory region
3994         walking code.
3995         (Script_sections::create_segment): Add a warning if a header
3996         segment is created outside of any region.
3997         * script-sections.h (class Script_sections): Add prototypes for
3998         find_memory_region and block_in_region methods.
3999         * testsuite/memory_test.s: Use .long instead of .word.
4000         * testsuite/memory_test.t: Add some more output sections.
4001         * testsuite/memory_test.sh: Update expected output.
4002
4003 2010-10-02  Doug Kwan  <dougkwan@google.com>
4004
4005         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4006         defintion to symtab.h
4007         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4008         declaration to defintion.
4009
4010 2010-10-01  Nick Clifton  <nickc@redhat.com>
4011
4012         * expression.cc (eval): Replace dummy argument with NULL.
4013         (eval_maybe_dot): Check for a NULL result section pointer.
4014         (Symbol_expression::value): Likewise.
4015         (Dot_expression::value): Likewise.
4016         (BINARY_EXPRESSION): Likewise.
4017         (Max_expression::value): Likewise.
4018         (Min_expression::value): Likewise.
4019         (Absolute_expression::value): Likewise.
4020         (Addr_expression::value_from_output_section): Likewise.
4021         (Loaddddr_expression::value_from_output_section): Likewise.
4022         (Segment_start_expression::value): Likewise.
4023         * script-sections.cc
4024         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4025         argument with NULL.
4026         (Sections_elememt_dot_assignment::set_section_addresses):
4027         Likewise.
4028         (Output_data_expression::do_write_to_buffer): Likewise.
4029         (Output_section_definition::finalize_symbols): Likewise.
4030         (Output_section_definition::set_section_addresses): Likewise.
4031
4032 2010-09-30  Doug Kwan  <dougkwan@google.com>
4033
4034         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4035
4036 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4037
4038         * target.h (Target::can_icf_inline_merge_sections): New virtual
4039         function.
4040         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4041         virtual function.
4042         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4043         virtual function.
4044         * icf.cc (get_section_contents): Inline merge sections only when
4045         target allows it.
4046
4047 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4048
4049         * configure: Regenerate.
4050
4051 2010-09-17  Ian Lance Taylor  <iant@google.com>
4052
4053         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4054         * testsuite/Makefile.am (memory_test.o): New target.
4055         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4056         memory_test.t.
4057         * testsuite/Makefile.in: Rebuild.
4058
4059 2010-09-17  Doug Kwan  <dougkwan@google.com>
4060
4061         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4062         defintion if relocation uses GOT entries of the symbol.
4063         * testsuite/icf_safe_test.sh: Fix test.
4064         * testsuite/icf_safe_so_test.sh: Fix test.
4065
4066 2010-09-16  Cary Coutant  <ccoutant@google.com>
4067
4068         * script_sections.cc (class Memory_region): Remove "NULL" from
4069         vector initializations.
4070
4071 2010-09-15  Cary Coutant  <ccoutant@google.com>
4072
4073         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4074         Resolve forwarding symbols.
4075
4076 2010-09-15  Doug Kwan  <dougkwan@google.com>
4077
4078         * gold/testsuite/script_test_3.t: Add ARM special sections.
4079         * gold/testsuite/script_test_4.t: Same.
4080         * gold/testsuite/script_test_5.t: Same.
4081         * gold/testsuite/script_test_6.t: Same.
4082         * gold/testsuite/script_test_7.t: Same.
4083         * gold/testsuite/script_test_7.t: Same.
4084         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4085
4086 2010-09-14  Cary Coutant  <ccoutant@google.com>
4087
4088         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4089         (Target_x86_64::Relocate::relocate_tls): Replace check for
4090         saw_tls_block_reloc_ with test for executable section.
4091
4092 2010-09-12  Cary Coutant  <ccoutant@google.com>
4093
4094         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4095         position-independent executables to shared libraries need dynamic
4096         relocations.
4097         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4098         position-independent executables.
4099         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4100         * testsuite/Makefile.in: Regenerate.
4101
4102 2010-09-10  Nick Clifton  <nickc@redhat.com>
4103
4104         PR gold/11997
4105         * testsuite/memory_test.t: Discard any sections that are not
4106         needed.
4107
4108 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4109
4110         PR gold/11996
4111         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4112         "This::" to work around a bug in gcc 4.2.
4113
4114         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4115
4116 2010-09-09  Rafael Espindola  <espindola@google.com>
4117
4118         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4119         sections with different PF_X flags in the same segment.
4120         (Layout::find_first_load_seg): Search all segments to find the first
4121         one.
4122         * options.h (rosegment): New.
4123
4124 2010-09-08  Rafael Espindola  <espindola@google.com>
4125
4126         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4127
4128 2010-09-08  Doug Kwan  <dougkwan@google.com>
4129
4130         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4131         (Arm_relobj::do_relocate_sections): Add new parameter for output
4132         file to match the parent.
4133         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4134         of local symbols instead of input values.  Update code to track
4135         changes in gold::relocate_section.
4136         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4137         (Sized_relobj::compute_final_local_value_internal): New methods.
4138         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4139         body into private version of Sized_relobj::compute_final_local_value.
4140         Call the inline method.
4141         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4142         merged symbol value if there is one.
4143         (Symbol_value::has_output_value): New method defintiion.
4144         (Sized_relobj::Compute_final_local_value_status): New enum type.
4145         (Sized_relobj::compute_final_local_value): New methods.
4146         (Sized_relobj::compute_final_local_value_internal): New methods.
4147         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4148         and arm_cortex_a8.sh.
4149         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4150         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4151         New tests.
4152         * Makefile.in: Regenerate.
4153         * testsuite/arm_bl_out_of_range.s: Update test.
4154         * testsuite/thumb_bl_out_of_range.s: Ditto.
4155         * testsuite/thumb_blx_out_of_range.s: Ditto.
4156         * testsuite/arm_branch_out_of_range.sh: New file.
4157         * testsuite/arm_cortex_a8.sh: Ditto.
4158         * testsuite/arm_cortex_a8_b.s: Ditto.
4159         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4160         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4161         * testsuite/arm_cortex_a8_bl.s: Ditto.
4162         * testsuite/arm_cortex_a8_blx.s: Ditto.
4163         * testsuite/arm_cortex_a8_local.s: Ditto.
4164         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4165         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4166
4167 2010-09-08  Rafael Espindola  <espindola@google.com>
4168
4169         * Makefile.am (memory_test.stdout): Run readelf with -W.
4170         * Makefile.in: Regenerate.
4171         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4172         64 bit output.
4173
4174 2010-09-08  Rafael Espindola  <espindola@google.com>
4175
4176         * script-sections.cc (Script_sections::add_memory_region): Convert
4177         field precision to int.
4178         * script.cc (script_set_section_region, script_set_section_region):
4179         Convert field precision to int.
4180
4181 2010-09-08  Rafael Espindola  <espindola@google.com>
4182
4183         * arm.cc (do_finalize_sections): Create the __exidx_start and
4184         __exdix_end symbols even when the section is missing.
4185
4186 2010-09-08  Nick Clifton  <nickc@redhat.com>
4187
4188         * README: Remove claim that MEMORY is not supported.
4189         * expression.cc (script_exp_function_origin)
4190         (script_exp_function_length): Move from here to ...
4191         * script.cc: ... here.
4192         (script_set_section_region, script_add_memory)
4193         (script_parse_memory_attr, script_include_directive): New
4194         functions.
4195         * script-sections.cc
4196         (class Memory_region): New class.
4197         (class Output_section_definition): Add set_memory_region,
4198         set_section_vma, set_section_lma and get_section_name methods.
4199         (class Script_Sections): Add add_memory_region,
4200         find_memory_region, find_memory_region_origin,
4201         find_memory_region_length and set_memory_region methods.
4202         Have set_section_addresses method walk the list of set memory
4203         regions.
4204         Extend the print methos to display memory regions.
4205         * script-sections.h: Add prototypes for new methods.
4206         Add enum for MEMORY region attributes.
4207         * yyscript.y: Add support for parsing MEMORY regions.
4208         * script-c.h: Add prototypes for new functions.
4209         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4210         * testsuite/Makefile.in: Regenerate.
4211         * testsuite/memory_test.sh: New script.
4212         * testsuite/memory_test.s: New assembler source file.
4213         * testsuite/memory_test.t: New linker script.
4214
4215 2010-08-27  Doug Kwan  <dougkwan@google.com>
4216
4217         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4218         reference override an existing dynamic weak reference.
4219         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4220         * testsuite/Makefile.in: Regenerate.
4221         * testsuite/dyn_weak_ref.sh: New file.
4222         * testsuite/dyn_weak_ref_1.c: Ditto.
4223         * testsuite/dyn_weak_ref_2.c: Ditto.
4224
4225 2010-08-27  Ian Lance Taylor  <iant@google.com>
4226
4227         * incremental.h (class Incremental_input_entry): Add virtual
4228         destructor.
4229
4230 2010-08-27  Ian Lance Taylor  <iant@google.com>
4231
4232         * testsuite/start_lib_test_3.c: Mark t3 as used.
4233
4234 2010-08-27  Nick Clifton  <nickc@redhat.com>
4235
4236         * options.cc (version_script): Fix small typo in previous
4237         whitespace tidyup.
4238
4239 2010-08-25  Nick Clifton  <nickc@redhat.com>
4240
4241         * archive.cc: Formatting fixes: Remove whitespace between
4242         typename and following asterisk.  Remove whitespace between
4243         function name and opening parenthesis.
4244         * archive.h: Likewise.
4245         * arm.cc: Likewise.
4246         * attributes.cc: Likewise.
4247         * attributes.h: Likewise.
4248         * common.cc: Likewise.
4249         * copy-relocs.cc: Likewise.
4250         * dirsearch.h: Likewise.
4251         * dynobj.cc: Likewise.
4252         * ehframe.cc: Likewise.
4253         * ehframe.h: Likewise.
4254         * expression.cc: Likewise.
4255         * fileread.cc: Likewise.
4256         * fileread.h: Likewise.
4257         * gc.h: Likewise.
4258         * gold-threads.cc: Likewise.
4259         * gold.cc: Likewise.
4260         * i386.cc: Likewise.
4261         * icf.h: Likewise.
4262         * incremental-dump.cc: Likewise.
4263         * incremental.cc: Likewise.
4264         * layout.cc: Likewise.
4265         * layout.h: Likewise.
4266         * main.cc: Likewise.
4267         * merge.cc: Likewise.
4268         * merge.h: Likewise.
4269         * object.cc: Likewise.
4270         * object.h: Likewise.
4271         * options.cc: Likewise.
4272         * options.h: Likewise.
4273         * output.cc: Likewise.
4274         * output.h: Likewise.
4275         * plugin.cc: Likewise.
4276         * plugin.h: Likewise.
4277         * powerpc.cc: Likewise.
4278         * reloc.cc: Likewise.
4279         * script-c.h: Likewise.
4280         * script-sections.cc: Likewise.
4281         * script.cc: Likewise.
4282         * stringpool.cc: Likewise.
4283         * symtab.cc: Likewise.
4284         * symtab.h: Likewise.
4285         * target.cc: Likewise.
4286         * timer.cc: Likewise.
4287         * timer.h: Likewise.
4288         * version.cc: Likewise.
4289         * x86_64.cc: Likewise.
4290
4291 2010-08-24  Nick Clifton  <nickc@redhat.com>
4292
4293         PR 11899
4294         * layout.cc (segment_precedes): Sort segments by their physical
4295         addresses, if they have been set.
4296
4297 2010-08-23  Cary Coutant  <ccoutant@google.com>
4298
4299         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4300         symbols data.
4301         (Lib_group::include_member): Unlock object after deleting its
4302         symbols data.
4303         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4304         the bug fixed here.
4305
4306 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4307             Cary Coutant  <ccoutant@google.com>
4308
4309         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4310         constructor, and set_blocker.
4311         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4312         readsyms_blocker_.
4313         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4314         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4315         * testsuite/Makefile.am (start_lib_test): New test case.
4316         * testsuite/Makefile.in: Regenerate.
4317         * testsuite/start_lib_test_main.c: New file.
4318         * testsuite/start_lib_test_1.c: New file.
4319         * testsuite/start_lib_test_2.c: New file.
4320         * testsuite/start_lib_test_3.c: New file.
4321
4322 2010-08-19  Ian Lance Taylor  <iant@google.com>
4323
4324         * Makefile.in: Rebuild with automake 1.11.1.
4325         * aclocal.m4: Likewise.
4326         * testsuite/Makefile.in: Likewise.
4327
4328 2010-08-19  Ian Lance Taylor  <iant@google.com>
4329
4330         PR 10893
4331         * i386.cc (class Output_data_plt_i386): Update declarations.
4332         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4333         local_ifuncs_ fields.
4334         (Target_i386::do_plt_section_for_global): New function.
4335         (Target_i386::do_plt_section_for_local): New function.
4336         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4337         parameter; change all callers.  Initialize global_ifuncs_ and
4338         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4339         __rel_iplt_end.
4340         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4341         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4342         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4343         symbols.
4344         (Target_i386::make_plt_section): New function, broken out of
4345         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4346         (Target_i386::make_plt_entry): Call make_plt_section.
4347         (Target_i386::make_local_ifunc_plt_entry): New function.
4348         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4349         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4350         R_386_IRELATIVE to switch.
4351         (Target_i386::Scan::global): Likewise.
4352         (Target_i386::Relocate::relocate): Likewise.
4353         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4354         switch.
4355         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4356         (Target_x86_64::do_plt_section_for_global): New function.
4357         (Target_x86_64::do_plt_section_for_local): New function.
4358         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4359         parameter; change all callers.  If doing a static link define
4360         __rela_iplt_start and __rela_iplt_end.
4361         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4362         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4363         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4364         to point to .plt.
4365         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4366         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4367         switch.
4368         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4369         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4370         R_X86_64_IRELATIVE to switch.
4371         (Target_x86_64::Scan::global): Likewise.
4372         (Target_x86_64::Relocate::relocate): Likewise.
4373         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4374         switch.
4375         * target.h (class Target): Add plt_section_for_global and
4376         plt_section_for_local functions.  Add do_plt_section_for_global
4377         and do_plt_section_for_local virtual functions.
4378         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4379         clarifying comments.
4380         (Symbol::use_plt_offset): Handle IFUNC symbol.
4381         * object.cc (Sized_relobj::Sized_relobj): Initialize
4382         local_plt_offsets_.
4383         (Sized_relobj::local_has_plt_offset): New function.
4384         (Sized_relobj::local_plt_offset): New function.
4385         (Sized_relobj::set_local_plt_offset): New function.
4386         (Sized_relobj::do_count): Handle IFUNC symbol.
4387         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4388         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4389         is_ifunc_symbol functions.
4390         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4391         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4392         local_plt_offsets_ field.
4393         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4394         * output.h (class Output_section_data): Add non-const
4395         output_section function.
4396         (class Output_data_got): Update declarations.
4397         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4398         Add use_plt_offset parameter to global and local constructors.
4399         Change all callers.  Change local_sym_index_ field to 31 bits.
4400         Change GSYM_CODE and CONSTANT_CODE accordingly.
4401         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4402         doing a static link don't set sh_link field.
4403         (Output_data_got::Got_entry::write): Use PLT offset if
4404         appropriate.
4405         (Output_data_got::add_global_plt): New function.
4406         (Output_data_got::add_local_plt): New function.
4407         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4408         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4409         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4410         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4411         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4412         IFUNC conditional.
4413         * testsuite/ifunc-sel.h: New file.
4414         * testsuite/ifuncmain1.c: New file.
4415         * testsuite/ifuncmain1vis.c: New file.
4416         * testsuite/ifuncmod1.c: New file.
4417         * testsuite/ifuncdep2.c: New file.
4418         * testsuite/ifuncmain2.c: New file.
4419         * testsuite/ifuncmain3.c: New file.
4420         * testsuite/ifuncmod3.c: New file.
4421         * testsuite/ifuncmain4.c: New file.
4422         * testsuite/ifuncmain5.c: New file.
4423         * testsuite/ifuncmod5.c: New file.
4424         * testsuite/ifuncmain6pie.c: New file.
4425         * testsuite/ifuncmod6.c: New file.
4426         * testsuite/ifuncmain7.c: New file.
4427         * configure, testsuite/Makefile.in: Rebuild.
4428
4429 2010-08-18  Ian Lance Taylor  <iant@google.com>
4430
4431         * incremental.cc
4432         (Output_section_incremental_inputs::write_input_files): Add cast
4433         to avoid signed/unsigned comparison warning.
4434         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4435
4436 2010-08-12  Cary Coutant  <ccoutant@google.com>
4437
4438         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4439
4440 2010-08-13  Ian Lance Taylor  <iant@google.com>
4441
4442         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4443
4444 2010-08-12  Cary Coutant  <ccoutant@google.com>
4445             Doug Kwan  <dougkwan@google.com>
4446
4447         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4448         defintion overrides non-weak undef, remember that the original undef
4449         is not weak.
4450         * symtab.cc (Symbol_table::sized_write_global): For undef without
4451         an original weak binding, set binding to global in output.
4452         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4453         * testsuite/Makefile.in: Regenerate.
4454         * testsuite/strong_ref_weak_def.sh: New file.
4455         * testsuite/strong_ref_weak_def_1.c: Ditto.
4456         * testsuite/strong_ref_weak_def_2.c: Ditto.
4457
4458 2010-08-12  Cary Coutant  <ccoutant@google.com>
4459
4460         * testsuite/incremental_test.sh: Rewrite.
4461         * testsuite/incremental_test_1.c: Rewrite.
4462         * testsuite/incremental_test_2.c: Rewrite.
4463
4464 2010-08-12  Cary Coutant  <ccoutant@google.com>
4465
4466         * arm.cc (Target_arm::got_size): Add const.
4467         (Target_arm::got_entry_count): New function.
4468         (Target_arm::plt_entry_count): New function.
4469         (Target_arm::first_plt_entry_offset): New function.
4470         (Target_arm::plt_entry_size): New function.
4471         (Output_data_plt_arm::entry_count): New function.
4472         (Output_data_plt_arm::first_plt_entry_offset): New function.
4473         (Output_data_plt_arm::get_plt_entry_size): New function.
4474         * i386.cc (Target_i386::got_size): Add const.
4475         (Target_i386::got_entry_count): New function.
4476         (Target_i386::plt_entry_count): New function.
4477         (Target_i386::first_plt_entry_offset): New function.
4478         (Target_i386::plt_entry_size): New function.
4479         (Output_data_plt_i386::entry_count): New function.
4480         (Output_data_plt_i386::first_plt_entry_offset): New function.
4481         (Output_data_plt_i386::get_plt_entry_size): New function.
4482         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4483         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4484         * incremental.cc: Include target.h.
4485         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4486         parameter.  Adjust all callers.  Find incremental_got_plt section.
4487         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4488         section.
4489         (Output_section_incremental_inputs::set_final_data_size): Calculate
4490         size of incremental_got_plt section.
4491         (Output_section_incremental_inputs::do_write): Write the
4492         incremental_got_plt section.
4493         (Got_plt_view_info): New struct.
4494         (Local_got_offset_visitor): New class.
4495         (Global_got_offset_visitor): New class.
4496         (Global_symbol_visitor_got_plt): New class.
4497         (Output_section_incremental_inputs::write_got_plt): New function.
4498         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4499         Add parameter.  Adjust all callers.
4500         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4501         (Incremental_inputs::got_plt_section): New function.
4502         (Incremental_inputs::got_plt_section_): New data member.
4503         (Incremental_got_plt_reader): New class.
4504         * layout.cc (Layout::create_incremental_info_sections): Add the
4505         incremental_got_plt section.
4506         * object.h (Got_offset_list::get_list): New function.
4507         (Got offset_list::for_all_got_offsets): New function.
4508         (Sized_relobj::local_got_offset_list): New function.
4509         * powerpc.cc (Target_powerpc::got_size): Add const.
4510         (Target_powerpc::got_entry_count): New function.
4511         (Target_powerpc::plt_entry_count): New function.
4512         (Target_powerpc::first_plt_entry_offset): New function.
4513         (Target_powerpc::plt_entry_size): New function.
4514         (Output_data_plt_powerpc::entry_count): New function.
4515         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
4516         (Output_data_plt_powerpc::get_plt_entry_size): New function.
4517         * sparc.cc (Target_sparc::got_size): Add const.
4518         (Target_sparc::got_entry_count): New function.
4519         (Target_sparc::plt_entry_count): New function.
4520         (Target_sparc::first_plt_entry_offset): New function.
4521         (Target_sparc::plt_entry_size): New function.
4522         (Output_data_plt_sparc::entry_count): New function.
4523         (Output_data_plt_sparc::first_plt_entry_offset): New function.
4524         (Output_data_plt_sparc::get_plt_entry_size): New function.
4525         * symtab.h (Symbol::got_offset_list): New function.
4526         (Symbol_table::for_all_symbols): New function.
4527         * target.h (Sized_target::got_entry_count): New function.
4528         (Sized_target::plt_entry_count): New function.
4529         (Sized_target::plt_entry_size): New function.
4530         * x86_64.cc (Target_x86_64::got_size): Add const.
4531         (Target_x86_64::got_entry_count): New function.
4532         (Target_x86_64::plt_entry_count): New function.
4533         (Target_x86_64::first_plt_entry_offset): New function.
4534         (Target_x86_64::plt_entry_size): New function.
4535         (Output_data_plt_x86_64::entry_count): New function.
4536         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
4537         (Output_data_plt_x86_64::get_plt_entry_size): New function.
4538
4539 2010-08-12  Cary Coutant  <ccoutant@google.com>
4540
4541         * archive.cc: Include incremental.h.
4542         (Archive::Archive): Initialize incremental_info_.
4543         (Archive::include_member): Record archive members in incremental info.
4544         (Add_archive_symbols::run): Record begin and end of an archive in
4545         incremental info.
4546         (Lib_group::include_member): Record objects in incremental info.
4547         * archive.h (Incremental_archive_entry): Forward declaration.
4548         (Archive::set_incremental_info): New member function.
4549         (Archive::incremental_info): New member function.
4550         (Archive::Unused_symbol_iterator): New class.
4551         (Archive::unused_symbols_begin): New member function.
4552         (Archive::unused_symbols_end): New member function.
4553         (Archive::incremental_info_): New data member.
4554         * incremental-dump.cc (find_input_containing_global): New function.
4555         (dump_incremental_inputs): Dump new incremental info sections.
4556         * incremental.cc: Include symtab.h.
4557         (Output_section_incremental_inputs): New class.
4558         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
4559         new incremental info sections.
4560         (Sized_incremental_binary::do_check_inputs): Likewise.
4561         (Incremental_inputs::report_archive): Remove.
4562         (Incremental_inputs::report_archive_begin): New function.
4563         (Incremental_inputs::report_archive_end): New function.
4564         (Incremental_inputs::report_object): New function.
4565         (Incremental_inputs::finalize_inputs): Remove.
4566         (Incremental_inputs::report_input_section): New function.
4567         (Incremental_inputs::report_script): Rewrite.
4568         (Incremental_inputs::finalize): Do nothing but finalize string table.
4569         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4570         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4571         (Incremental_inputs::create_data_sections): New function.
4572         (Incremental_inputs::relocs_entsize): New function.
4573         (Output_section_incremental_inputs::set_final_data_size): New function.
4574         (Output_section_incremental_inputs::do_write): New function.
4575         (Output_section_incremental_inputs::write_header): New function.
4576         (Output_section_incremental_inputs::write_input_files): New function.
4577         (Output_section_incremental_inputs::write_info_blocks): New function.
4578         (Output_section_incremental_inputs::write_symtab): New function.
4579         * incremental.h (Incremental_script_entry): Forward declaration.
4580         (Incremental_object_entry): Forward declaration.
4581         (Incremental_archive_entry): Forward declaration.
4582         (Incremental_inputs): Forward declaration.
4583         (Incremental_inputs_header_data): Remove.
4584         (Incremental_inputs_header): Remove.
4585         (Incremental_inputs_header_write): Remove.
4586         (Incremental_inputs_entry_data): Remove.
4587         (Incremental_inputs_entry): Remove.
4588         (Incremental_inputs_entry_write): Remove.
4589         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
4590         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
4591         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
4592         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
4593         Likewise.
4594         (Incremental_input_entry): New class.
4595         (Incremental_script_entry): New class.
4596         (Incremental_object_entry): New class.
4597         (Incremental_archive_entry): New class.
4598         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4599         (Incremental_inputs::report_inputs): Remove.
4600         (Incremental_inputs::report_archive): Remove.
4601         (Incremental_inputs::report_archive_begin): New function.
4602         (Incremental_inputs::report_archive_end): New function.
4603         (Incremental_inputs::report_object): Change prototype.
4604         (Incremental_inputs::report_input_section): New function.
4605         (Incremental_inputs::report_script): Change prototype.
4606         (Incremental_inputs::get_reloc_count): New function.
4607         (Incremental_inputs::set_reloc_count): New function.
4608         (Incremental_inputs::create_data_sections): New function.
4609         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4610         (Incremental_inputs::inputs_section): New function.
4611         (Incremental_inputs::symtab_section): New function.
4612         (Incremental_inputs::relocs_section): New function.
4613         (Incremental_inputs::get_stringpool): Add const.
4614         (Incremental_inputs::command_line): Add const.
4615         (Incremental_inputs::inputs): Remove.
4616         (Incremental_inputs::command_line_key): New function.
4617         (Incremental_inputs::input_file_count): New function.
4618         (Incremental_inputs::input_files): New function.
4619         (Incremental_inputs::relocs_entsize): New function.
4620         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4621         (Incremental_inputs::finalize_inputs): Remove.
4622         (Incremental_inputs::Input_info): Remove.
4623         (Incremental_inputs::lock_): Remove.
4624         (Incremental_inputs::inputs_): Change type.
4625         (Incremental_inputs::inputs_map_): Remove.
4626         (Incremental_inputs::current_object_entry_): New data member.
4627         (Incremental_inputs::inputs_section_): New data member.
4628         (Incremental_inputs::symtab_section_): New data member.
4629         (Incremental_inputs::relocs_section_): New data member.
4630         (Incremental_inputs::reloc_count_): New data member.
4631         (Incremental_inputs_reader): New class.
4632         (Incremental_symtab_reader): New class.
4633         (Incremental_relocs_reader): New class.
4634         * layout.cc (Layout::finalize): Move finalization of incremental info
4635         and creation of incremental info sections to follow finalization of
4636         symbol table.  Set offsets for postprocessing sections.
4637         (Layout::create_incremental_info_sections): Call
4638         Incremental_inputs::create_data_sections.  Add incremental symtab
4639         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4640         sections to layout after input sections.
4641         * layout.h (struct Timespec): Forward declaration.
4642         (Layout::incremental_inputs): Add const.
4643         (Layout::create_incremental_info_sections): Add parameter.
4644         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4645         * object.cc: Include incremental.h.
4646         (Relobj::finalize_incremental_relocs): New function.
4647         (Sized_relobj::do_layout): Record input sections in incremental info.
4648         * object.h (Object::output_section): New function.
4649         (Object::output_section_offset): Moved from Relobj.
4650         (Object::get_incremental_reloc_base): New function.
4651         (Object::get_incremental_reloc_count): New function.
4652         (Object::do_output_section): New function.
4653         (Object::do_output_section_offset): Moved from Relobj.
4654         (Object::do_get_incremental_reloc_base): New function.
4655         (Object::do_get_incremental_reloc_count): New function.
4656         (Object::Object): Initialize new data members.
4657         (Relobj::output_section): Renamed do_output_section and moved to
4658         protected.
4659         (Relobj::output_section_offset): Moved to Object.
4660         (Relobj::do_get_incremental_reloc_base): New function.
4661         (Relobj::do_get_incremental_reloc_count): New function.
4662         (Relobj::allocate_incremental_reloc_counts): New function.
4663         (Relobj::count_incremental_reloc): New function.
4664         (Relobj::finalize_incremental_relocs): New function.
4665         (Relobj::next_incremental_reloc_index): New function.
4666         (Relobj::reloc_counts_): New data member.
4667         (Relobj::reloc_bases_): New data member.
4668         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4669         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4670         (Sized_relobj::incremental_relocs_scan): New function.
4671         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4672         (Sized_relobj::incremental_relocs_write): New function.
4673         (Sized_relobj::incremental_relocs_write_reltype): New function.
4674         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4675         incremental link.
4676         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4677         archives and object files elsewhere.
4678         (Add_symbols::run): Report object files here.
4679         (Finish_group::run): Report end of archive at end of group.
4680         * reloc.cc: Include layout.h, incremental.h.
4681         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4682         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4683         (Sized_relobj::incremental_relocs_scan): New function.
4684         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4685         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4686         (Sized_relobj::incremental_relocs_write): New function.
4687         (Sized_relobj::incremental_relocs_write_reltype): New function.
4688         * script.cc (read_input_script): Rewrite test for incremental link.
4689         Change call to Incremental_inputs::report_script.
4690         * symtab.h (Symbol_table::first_global_index): New function.
4691         (Symbol_table::output_count): New function.
4692
4693 2010-08-12  Doug Kwan  <dougkwan@google.com>
4694
4695         * arm.cc (Target_arm::merge_object_attributes): Check command line
4696         options --no-wchar-size-warning and --no-enum-size-warning.
4697         * options.h (General_options): Add ld-compatible options
4698         --no-enum-size-warning and --no-wchar-size-warning.
4699
4700 2010-08-04  Ian Lance Taylor  <iant@google.com>
4701
4702         * x86_64.cc (Target_x86_64::Scan::local): Use
4703         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4704         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4705         (Target_x86_64::Scan::global): Likewise.
4706         (Target_x86_64::Relocate::relocate): Likewise.
4707         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4708         Likewise.
4709
4710 2010-08-03  Cary Coutant  <ccoutant@google.com>
4711
4712         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4713         to reserve space in merged_strings vector. Keep total input size
4714         for stats.
4715         (Output_merge_string::do_print_merge_stats): Print total input size.
4716         * merge.h (Output_merge_string): Add input_size_ field.
4717         * stringpool.cc (Stringpool_template::string_length): Move
4718         implementations out of Stringpool_template class and place in
4719         stringpool.h.
4720         * stringpool.h (string_length): Move out of Stringpool_template.
4721
4722 2010-08-03  Ian Lance Taylor  <iant@google.com>
4723
4724         PR 11712
4725         * layout.cc (relaxation_loop_body): If address of load segment is
4726         set, adjust address to include headers if possible.
4727
4728 2010-08-03  Ian Lance Taylor  <iant@google.com>
4729
4730         * version.cc (version_string): Bump to 1.10.
4731
4732 2010-08-03  Ian Lance Taylor  <iant@google.com>
4733
4734         PR 11805
4735         * layout.h (enum Output_section_order): Define.
4736         (class Layout): Update declarations.
4737         * layout.cc (Layout::get_output_section): Add order parameter.
4738         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4739         is_first_non_relro parameters.  Change all callers.
4740         (Layout::choose_output_section): Likewise.
4741         (Layout::add_output_section_data): Likewise.
4742         (Layout::make_output_section): Likewise.  Set order.
4743         (Layout::default_section_order): New function.
4744         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4745         * output.cc (Output_section::Output_section): Initialize order_.
4746         Don't initialize deleted fields.
4747         (Output_segment::Output_segment): Don't initialize deleted
4748         fields.
4749         (Output_segment::add_output_section_to_load): New function
4750         replacing add_output_section.  Change all callers to call this or
4751         add_output_section_to_nonload.
4752         (Output_segment::add_output_section_to_nonload): New function.
4753         (Output_segment::remove_output_section): Rewrite.
4754         (Output_segment::add_initial_output_data): Likewise.
4755         (Output_segment::has_any_data_sections): Likewise.
4756         (Output_segment::is_first_section_relro): Likewise.
4757         (Output_segment::maximum_alignment): Likewise.
4758         (Output_segment::has_dynamic_reloc): New function replacing
4759         dynamic_reloc_count.  Change all callers.
4760         (Output_segment::has_dynamic_reloc_list): New function replacing
4761         dynamic_reloc_count_list.  Change all callers.
4762         (Output_segment::set_section_addresses): Rewrite.
4763         (Output_segment::set_offset): Rewrite.
4764         (Output_segment::find_first_and_last_list): Remove.
4765         (Output_segment::set_tls_offsets): Rewrite.
4766         (Output_segment::first_section_load_address): Likewise.
4767         (Output_segment::output_section_count): Likewise.
4768         (Output_segment::section_with_lowest_load_address): Likewise.
4769         (Output_segment::write_section_headers): Likewise.
4770         (Output_segment::print_sections_to_map): Likewise.
4771         * output.h (class Output_data): Remove dynamic_reloc_count_
4772         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4773         (Output_data::add_dynamic_reloc): Rewrite.
4774         (Output_data::has_dynamic_reloc): New function.
4775         (Output_data::dynamic_reloc_count): Remove.
4776         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4777         is_last_relro_, is_first_non_relro_, is_interp_,
4778         is_dynamic_linker_section_ fields.  Add order and set_order
4779         functions.  Remove is_relro_local, set_is_relro_local,
4780         is_last_relro, set_is_last_relro, is_first_non_relro,
4781         set_is_first_non_relro functions, is_interp, set_is_interp,
4782         is_dynamic_linker_section, and set_is_dynamic_linker_section
4783         functions.
4784         (class Output_segment): Change Output_data_list from std::list to
4785         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4786         output_bss_ fields.  Update declarations.
4787
4788 2010-08-02  Ian Lance Taylor  <iant@google.com>
4789
4790         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4791         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4792         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4793
4794 2010-08-02  Ian Lance Taylor  <iant@google.com>
4795
4796         PR 11855
4797         * script.cc (Script_options::Script_options): Initialize
4798         symbol_definitions_ and symbol_references_.
4799         (Script_options::add_symbol_assignment): Update
4800         symbol_definitions_ and symbol_references_.
4801         (Script_options::add_symbol_reference): New function.
4802         (script_symbol): New function.
4803         * script.h (class Script_options): Add symbol_definitions_ and
4804         symbol_references_ fields.
4805         (Script_options::referenced_const_iterator): New type.
4806         (Script_options::referenced_begin): New function.
4807         (Script_options::referenced_end): New function.
4808         (Script_options::is_referenced): New function.
4809         (Script_options::any_unreferenced): New function.
4810         * script-c.h (script_symbol): Declare.
4811         * yyscript.y (exp): Call script_symbol.
4812         * symtab.cc: Include "script.h".
4813         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4814         Change all callers.  Check symbols referenced by scripts.
4815         (Symbol_table::add_undefined_symbols_from_command_line): Add
4816         layout parameter.  Change all callers.
4817         (Symbol_table::do_add_undefined_symbols_from_command_line):
4818         Likewise.  Break out loop body.  Check symbols referenced by
4819         scripts.
4820         (Symbol_table::add_undefined_symbol_from_command_line): New
4821         function broken out of
4822         do_add_undefined_symbols_from_command_line.
4823         * symtab.h (class Symbol_table): Update declarations.
4824         * archive.cc: Include "layout.h".
4825         (Archive::should_include_member): Add layout parameter.  Change
4826         all callers.  Check for symbol mentioned in expression.
4827         * archive.h (class Archive): Update declaration.
4828         * object.cc (Sized_relobj::do_should_include_member): Add layout
4829         parameter.
4830         * object.h (Object::should_include_member): Add layout parameter.
4831         Change all callers.
4832         (Object::do_should_include_member): Add layout parameter.
4833         (class Sized_relobj): Update declaration.
4834         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4835         parameter.
4836         * dynobj.h (class Sized_dynobj): Update declaration.
4837         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4838         layout parameter.
4839         * plugin.h (class Sized_pluginobj): Update declaration.
4840
4841 2010-08-02  Ian Lance Taylor  <iant@google.com>
4842
4843         PR 11866
4844         * output.cc (Output_segment::set_offset): Search for the first and
4845         last sections rather than assuming that the list is in order.
4846         (Output_segment::find_first_and_last_list): New function.
4847         * output.h (class Output_segment): Update declarations.
4848         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4849         (relro_strip_test_SOURCES): New variable.
4850         (relro_strip_test_DEPENDENCIES): New variable.
4851         (relro_strip_test_LDFLAGS): New variable.
4852         (relro_strip_test_LDADD): New variable.
4853         (relro_strip_test.so): New target.
4854
4855 2010-08-02  Ian Lance Taylor  <iant@google.com>
4856
4857         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4858         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4859         (Target_i386::got_tlsdesc_section): New function.
4860         (Target_i386::got_section): Create space for GOT entries for
4861         TLSDESC relocations.
4862         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4863         R_386_TLS_GOTDESC.
4864         (Target_i386::Scan::global): Likewise.
4865         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4866         using TLSDESC GOT.
4867         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4868         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4869         (Target_x86_64::got_tlsdesc_section): New function.
4870         (Target_x86_64::got_section): Create space for GOT entries for
4871         TLSDESC relocations.
4872         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4873         R_386_TLS_GOTDESC.
4874         (Target_x86_64::Scan::global): Likewise.
4875         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4876         using TLSDESC GOT.
4877
4878 2010-08-02  Ian Lance Taylor  <iant@google.com>
4879
4880         * testsuite/final_layout.sh: Use dc to convert from hex to
4881         decimal.
4882
4883 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4884
4885         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4886         paramter to the call to gold::gc_process_relocs.
4887         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4888         paramter to the call to gold::gc_process_relocs.
4889         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4890         parameter to the call to gold::gc_process_relocs.
4891         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4892         template parameter to the call to gold::gc_process_relocs.
4893         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4894         paramter to the call to gold::gc_process_relocs.
4895         * gc.h (get_embedded_addend_size): New function.
4896         (gc_process_relocs): Save the size of the reloc for use by ICF.
4897         * icf.cc (get_section_contents): Get the addend from the text section
4898         for SHT_REL relocation sections.
4899         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4900         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4901         * int_encoding.h (read_from_pointer): New overloaded function.
4902         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4903         * testsuite/icf_sht_rel_addend_test.sh: New file.
4904         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4905         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4906
4907 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4908
4909         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4910         * Makefile.in: Regenerate.
4911         * testsuite/Makefile.in: Regenerate.
4912
4913 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4914
4915         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4916         * gold/testsuite/debug_msg.cc: Likewise.
4917         * gold/testsuite/odr_violation1.cc
4918         * gold/testsuite/odr_violation2.cc
4919
4920 2010-07-21  Cary Coutant  <ccoutant@google.com>
4921
4922         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4923         string, and length fields.
4924         (Output_merge_string::Merged_strings_list): New type.
4925         (Output_merge_string::Merged_strings_lists): New typedef.
4926         (Output_merge_string): Replace merged_strings_ with
4927         merged_strings_lists_.
4928         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4929         Merged_strings_list per input object and section.  Don't store pointer
4930         to the string.  Don't store length with each merged string entry.
4931         (Output_merge_string::finalize_merged_data): Loop over list of merged
4932         strings lists.  Recompute length of each merged string.
4933
4934 2010-07-15  Cary Coutant  <ccoutant@google.com>
4935
4936         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4937         here.
4938
4939 2010-07-14  Ian Lance Taylor  <iant@google.com>
4940
4941         * descriptors.cc (Descriptors::open): Report correct name in error
4942         message.
4943
4944 2010-07-13  Doug Kwan  <dougkwan@google.com>
4945
4946         * arm.cc (Arm_input_section::Arm_input_section): For a
4947         SHT_ARM_EXIDX section, always keeps the input sections.
4948         (Arm_input_section::set_exidx_section_link): New method.
4949         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4950         has_errors_ to false.
4951         (Arm_exidx_input_section::has_errors,
4952         Arm_exidx_input_section::set_has_errors): New methods.
4953         (Arm_exidx_input_section::has_errors_): New data member.
4954         (Arm_relobj::get_exidx_shndx_list): New method.
4955         (Arm_output_section::append_text_sections_to_list): Do not skip
4956         section without SHF_EXECINSTR.
4957         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4958         errors.
4959         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4960         section header.  Make error messages more verbose.  Check for
4961         a non-executable section linked to an EXIDX section.
4962         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4963         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4964         check that there is no deferred EXIDX section if we exit early.
4965         Instead of not making an EXIDX section in case of an error, make one
4966         and set the has_errors flag of it.
4967         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4968         in a relocatable link.
4969         (Target_arm::do_relax): Look for the EXIDX output section instead of
4970         assuming that it is called .ARM.exidx.
4971         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4972         section list.  Do not check for SHF_EXECINSTR section flags but
4973         skip any input section with errors.
4974         * output.cc (Output_section::Output_section): Initialize
4975         always_keeps_input_sections_ to false.
4976         (Output_section::add_input_section): Check for
4977         always_keeps_input_sections_.
4978         *  output.h (Output_section::always_keeps_input_sections,
4979         Output_section::set_always_keeps_input_sections): New methods.
4980         (Output_section::always_keeps_input_sections): New data member.
4981
4982 2010-07-13  Rafael Espindola  <espindola@google.com>
4983
4984         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4985         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4986
4987 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4988             Ian Lance Taylor  <iant@google.com>
4989
4990         * output.h (Output_section_lookup_maps::add_merge_section):
4991         Correct check of whether value was inserted.
4992         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4993         (Output_section_lookup_maps::add_relaxed_input_section):
4994         Likewise.
4995         * arm.cc (Target_arm::got_section): Remove used local os.
4996         * i386.cc (Target_i386::got_section): Likewise.
4997         * x86_64.cc (Target_x86_64::got_section): Likewise.
4998         * sparc.cc (Target_sparc::got_section): Likewise.
4999         (Target_sparc::relocate): Remove unused local have_got_offset.
5000         * powerpc.cc (Target_powerpc::relocate): Likewise.
5001
5002 2010-07-13  Ian Lance Taylor  <iant@google.com>
5003
5004         * compressed_output.cc (zlib_decompress): Fix signature in
5005         !HAVE_ZLIB_H case.
5006
5007         * archive.cc (Archive::include_member): Unlock an external member
5008         of a thin archive.  Don't bother to delete an object we know is
5009         NULL.
5010
5011 2010-07-12  Cary Coutant  <ccoutant@google.com>
5012
5013         * compressed_output.cc (zlib_decompress): New function.
5014         (get_uncompressed_size): New function.
5015         (decompress_input_section): New function.
5016         * compressed_output.h (get_uncompressed_size): New function.
5017         (decompress_input_section): New function.
5018         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5019         Handle compressed debug sections.
5020         * layout.cc (is_compressed_debug_section): New function.
5021         (Layout::output_section_name): Map compressed section names to
5022         canonical names.
5023         * layout.h (is_compressed_debug_section): New function.
5024         (is_debug_info_section): Recognize compressed debug sections.
5025         * merge.cc: Include compressed_output.h.
5026         (Output_merge_data::do_add_input_section): Handle compressed
5027         debug sections.
5028         (Output_merge_string::do_add_input_section): Handle compressed
5029         debug sections.
5030         * object.cc: Include compressed_output.h.
5031         (Sized_relobj::Sized_relobj): Initialize new data members.
5032         (build_compressed_section_map): New function.
5033         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5034         * object.h (Object::section_is_compressed): New method.
5035         (Object::do_section_is_compressed): New method.
5036         (Sized_relobj::Compressed_section_map): New type.
5037         (Sized_relobj::do_section_is_compressed): New method.
5038         (Sized_relobj::compressed_sections_): New data member.
5039         * output.cc (Output_section::add_input_section): Handle compressed
5040         debug sections.
5041         * reloc.cc: Include compressed_output.h.
5042         (Sized_relobj::write_sections): Handle compressed debug sections.
5043
5044 2010-07-08  Cary Coutant  <ccoutant@google.com>
5045
5046         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5047         weak when resolving to a dynamic def.
5048         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5049         for weak undef/dynamic def cases. Adjust callers.
5050         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5051         undef_binding_weak_.
5052         (Symbol_table::sized_write_globals): Adjust symbol binding.
5053         (Symbol_table::sized_write_symbol): Add binding parameter.
5054         * symtab.h (Symbol::set_undef_binding): New method.
5055         (Symbol::is_undef_binding_weak): New method.
5056         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5057         (Symbol_table::should_override): Add new parameter.
5058         (Symbol_table::sized_write_symbol): Add new parameter.
5059
5060         * testsuite/weak_undef_file1.cc: Add new test case.
5061         * testsuite/weak_undef_file2.cc: Fix header comment.
5062         * testsuite/weak_undef_test.cc: Add new test case.
5063
5064 2010-06-29  Doug Kwan  <dougkwan@google.com>
5065
5066         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5067         Initialize USE_SYMBOL_.
5068         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5069         definition.
5070         (Arm_reloc_property::uses_symbol_): New data member declaration.
5071         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5072         uses symbol value and symbol is undefined but not weakly undefined.
5073
5074 2010-06-28  Rafael Espindola  <espindola@google.com>
5075
5076         * plugin.cc (Plugin::load): Use dlerror.
5077
5078 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5079
5080         * symtab.cc (detect_odr_violations): When reporting an ODR
5081         violation, report an object where the symbol is defined.
5082
5083 2010-06-25  Doug Kwan  <dougkwan@google.com>
5084
5085         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5086         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5087         definition.
5088         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5089         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5090         target hook to detect function points.
5091         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5092         * icf.h (Icf::check_section_for_function_pointers): Change type of
5093         parameter SECTION_NAME to const reference to std::string.  Use
5094         target hook to determine if section may have unsafe pointers.
5095         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5096         method definition.
5097
5098 2010-06-21  Rafael Espindola  <espindola@google.com>
5099
5100         * fileread.cc (Input_file::find_fie): New
5101         (Input_file::open): Use Input_file::find_fie.
5102         * fileread.h (Input_file::find_fie): New
5103         * plugin.cc (set_extra_library_path): New.
5104         (Plugin::load): Add set_extra_library_path to the transfer vector.
5105         (Plugin_manager::set_extra_library_path): New.
5106         (Plugin_manager::add_input_file): Use the extra search path if set.
5107         (set_extra_library_path(): New.
5108         * plugin.h (Plugin_manager): Add set_extra_library_path and
5109         extra_search_path_.
5110
5111 2010-06-19  Cary Coutant  <ccoutant@google.com>
5112
5113         * layout.cc (gdb_sections): Add .debug_types.
5114         (lines_only_debug_sections): Likewise.
5115
5116 2010-06-18  Rafael Espindola  <espindola@google.com>
5117
5118         * plugin.cc (add_input_file,add_input_library)
5119         (Plugin_manager::add_input_file): Make filename arguments const.
5120         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5121         const.
5122
5123 2010-06-16  Doug Kwan  <dougkwan@google.com>
5124
5125         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5126         .ARM.attributes section if we have not merged any input
5127         attributes sections.
5128
5129 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5130
5131         * arm.cc: Allow combining objects with no EABI version
5132         information.
5133
5134 2010-06-15  Rafael Espindola  <espindola@google.com>
5135
5136         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5137
5138 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5139
5140         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5141         (struct iovec): Correct !HAVE_READV definition.
5142
5143 2010-06-10  Cary Coutant  <ccoutant@google.com>
5144
5145         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5146         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5147         reloc sections.
5148         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5149
5150         PR 11683
5151         * symtab.h (Symbol::is_placeholder): New member function.
5152         * target-reloc.h (relocate_section): Check for placeholder symbols.
5153
5154         * testsuite/Makefile.am (plugin_test_8): New test.
5155         (plugin_test_9): New test.
5156         * testsuite/Makefile.in: Regenerate.
5157
5158 2010-06-09  Nick Clifton  <nickc@redhat.com>
5159
5160         * yyscript.y (input_list_element): Allow strings prefixed with
5161         the '-' character.  Treat these as libraries.
5162         * script.cc (script_add_library): New function.  Adds a library
5163         specified by "-l<name>" found in an input script.
5164         * script-c.h: Add prototype for script_add_library.
5165
5166 2010-06-07  Doug Kwan  <dougkwan@google.com>
5167
5168         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5169         Restrict stub-group size to be within long conditional branch
5170         range when working around cortex-A8 erratum.
5171
5172 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5173
5174         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5175         #ifdef typo.
5176
5177 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5178
5179         PR gold/11658
5180         * output.cc
5181         (Output_section::Input_section_sort_entry::compare_section_ordering):
5182         Change to return non-zero correctly.
5183         (Output_section::Input_section_sort_section_order_index_compare
5184         ::operator()): Change to fix ambiguity in comparisons.
5185
5186 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5187
5188         * gold.h (is_wildcard_string): New function.
5189         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5190         (Layout::layout_eh_frame): Ditto.
5191         (Layout::find_section_order_index): New method.
5192         (Layout::read_layout_from_file): New method.
5193         * layout.h (Layout::find_section_order_index): New method.
5194         (Layout::read_layout_from_file): New method.
5195         (Layout::input_section_position_): New private member.
5196         (Layout::input_section_glob_): New private member.
5197         * main.cc (main): Call read_layout_from_file here.
5198         * options.h (--section-ordering-file): New option.
5199         * output.cc (Output_section::input_section_order_specified_): New
5200         member.
5201         (Output_section::Output_section): Initialize new member.
5202         (Output_section::add_input_section): Add new parameter.
5203         Keep input sections when --section-ordering-file is used.
5204         (Output_section::set_final_data_size): Sort input sections when
5205         section ordering file is specified.
5206         (Output_section::Input_section_sort_entry): Add new parameter.
5207         Check sorting type.
5208         (Output_section::Input_section_sort_entry::compare_section_ordering):
5209         New method.
5210         (Output_section::Input_section_sort_compare::operator()): Change to
5211         consider section_order_index.
5212         (Output_section::Input_section_sort_init_fini_compare::operator()):
5213         Change to consider section_order_index.
5214         (Output_section::Input_section_sort_section_order_index_compare
5215         ::operator()): New method.
5216         (Output_section::sort_attached_input_sections): Change to sort
5217         according to section order when specified.
5218         (Output_section::add_input_section<32, true>): Add new parameter.
5219         (Output_section::add_input_section<64, true>): Add new parameter.
5220         (Output_section::add_input_section<32, false>): Add new parameter.
5221         (Output_section::add_input_section<64, false>): Add new parameter.
5222         * output.h (Output_section::add_input_section): Add new parameter.
5223         (Output_section::input_section_order_specified): New
5224         method.
5225         (Output_section::set_input_section_order_specified): New method.
5226         (Input_section::Input_section): Initialize section_order_index_.
5227         (Input_section::section_order_index): New method.
5228         (Input_section::set_section_order_index): New method.
5229         (Input_section::section_order_index_): New member.
5230         (Input_section::Input_section_sort_section_order_index_compare): New
5231         struct.
5232         (Output_section::input_section_order_specified_): New member.
5233         * script-sections.cc (is_wildcard_string): Delete and move modified
5234         method to gold.h.
5235         (Output_section_element_input::Output_section_element_input): Modify
5236         call to is_wildcard_string.
5237         (Output_section_element_input::Input_section_pattern
5238         ::Input_section_pattern): Ditto.
5239         (Output_section_element_input::Output_section_element_input): Ditto.
5240         * testsuite/Makefile.am (final_layout): New test case.
5241         * testsuite/Makefile.in: Regenerate.
5242         * testsuite/final_layout.cc: New file.
5243         * testsuite/final_layout.sh: New file.
5244
5245 2010-06-01  Rafael Espindola  <espindola@google.com>
5246
5247         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5248
5249 2010-06-01  Rafael Espindola  <espindola@google.com>
5250
5251         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5252         visibility of symbols.
5253
5254 2010-05-27  Doug Kwan  <dougkwan@google.com>
5255
5256         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5257         from start of output section instead of address for a local symbol
5258         in a merged or relaxed section when doing a relocatable link.
5259
5260 2010-05-26  Rafael Espindola  <espindola@google.com>
5261
5262        PR 11604
5263         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5264         adding sections the garbage collector removed.
5265         * gold/testsuite/Makefile.am: Add test.
5266         * gold/testsuite/Makefile.in: Regenerate.
5267         * gold/testsuite/plugin_test_7.sh: New.
5268         * gold/testsuite/plugin_test_7_1.c: New.
5269         * gold/testsuite/plugin_test_7_2.c: New.
5270
5271 2010-05-26  Rafael Espindola  <espindola@google.com>
5272
5273         * script-sections.cc (Output_section_definition::set_section_addresses):
5274         Check for --section-start.
5275
5276 2010-05-26  Doug Kwan  <dougkwan@google.com>
5277
5278         * arm.cc (Arm_scan_relocatable_relocs): New class.
5279         (Target_arm::relocate_special_relocatable): New method.
5280         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5281         (Arm_relocate_functions::thumb_branch_common): Same.
5282         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5283         instead of Default_scan_relocatable_relocs.
5284         * target-reloc.h (relocate_for_relocatable): Let target handle
5285         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5286         * target.h (Sized_target::relocate_special_relocatable): New method.
5287
5288 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5289
5290         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5291
5292 2010-05-23  Doug Kwan  <dougkwan@google.com>
5293
5294         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5295         instead of a cast.
5296         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5297         with a direct branch, not a conditional branch, to a stub.
5298         * merge.cc (Output_merge_base::record_input_section): New method
5299         defintion.
5300         (Output_merge_data::do_add_input_section): Record input section if
5301         keeps-input-sections flag is set.
5302         (Output_merge_string::do_add_input_section): Ditto.
5303         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5304         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5305         INPUT_SECTIONS_.
5306         (Output_merge_base::keeps_input_sections,
5307         Output_merge_base::set_keeps_input_sections,
5308         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5309         method definitions.
5310         (Output_merge_base::Input_sections): New type declaration.
5311         (Output_merge_base::input_sections_begin,
5312         Output_merge_base::input_sections_end,
5313         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5314         (Output_merge_base::bool keeps_input_sections_,
5315         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5316         Output_merge_base::input_sections_): New data members.
5317         (Output_merge_data::do_set_keeps_input_sections): New method
5318         defintion.
5319         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5320         * output.cc (Output_section::Input_section::relobj): Move method
5321         defintion from class declaration to here and handle merge sections.
5322         (Output_section::Input_section::shndx): Ditto.
5323         (Output_section::Output_section): Remove initializations of removed
5324         data members and initialize new data member LOOKUP_MAPS_.
5325         (Output_section::add_input_section): Set keeps-input-sections flag
5326         for a newly created merge output section as appropriate.  Adjust code
5327         to use Output_section_lookup_maps class.
5328         (Output_section::add_relaxed_input_section): Adjst code for lookup
5329         maps code refactoring.
5330         (Output_section::add_merge_input_section): Add a new parameter
5331         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5332         class.  If adding input section to a newly created merge output
5333         section fails, remove the new merge section.
5334         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5335         Adjust code for use of the Output_section_lookup_maps class.
5336         (Output_section::find_merge_section): Ditto.
5337         (Output_section::build_lookup_maps): New method defintion.
5338         (Output_section::find_relaxed_input_section): Adjust code to use
5339         Output_section_lookup_maps class.
5340         (Output_section::get_input_sections): Export merge sections.  Adjust
5341         code to use Output_section_lookup_maps class.
5342         (Output_section:::add_script_input_section): Adjust code to use
5343         Output_section_lookup_maps class.  Update lookup maps for merge
5344         sections also.
5345         (Output_section::discard_states): Use Output_section_lookup_maps.
5346         (Output_section::restore_states): Same.
5347         * output.h (Merge_section_properties): Move class defintion out of
5348         Output_section.
5349         (Output_section_lookup_maps): New class.
5350         (Output_section::Input_section::is_merge_section): New method
5351         defintion.
5352         (Output_section::Input_section::relobj): Move defintion out of class
5353         defintion.  Declare method only.
5354         (Output_section::Input_section::shndx): Ditto.
5355         (Output_section::Input_section::output_merge_base): New method defintion.
5356         (Output_section::Input_section::u2_.pomb): New union field.
5357         (Output_section::Merge_section_by_properties_map,
5358         Output_section::Output_section_data_by_input_section_map,
5359         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5360         Remove types.
5361         (Output_section::add_merge_input_section): Add new parameter
5362         KEEPS_INPUT_SECTIONS.
5363         (Output_section::build_lookup_maps): New method declaration.
5364         (Output_section::merge_section_map_,
5365         Output_section::merge_section_by_properties_map_,
5366         Output_section::relaxed_input_section_map_,
5367         Output_section::is_relaxed_input_section_map_valid_): Remove data
5368         members.
5369         (Output_section::lookup_maps_): New data member.
5370
5371 2010-05-21  Doug Kwan  <dougkwan@google.com>
5372
5373         PR gold/11619
5374         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5375         avoid a compilation error.
5376
5377 2010-05-19  Rafael Espindola  <espindola@google.com>
5378
5379         * script-sections.cc (Output_section_definition::allocate_to_segment):
5380         Update the phdrs_list even when the output section is NULL.
5381         * testsuite/Makefile.am: Add test.
5382         * testsuite/Makefile.in: Regenerate.
5383         * testsuite/script_test_9.cc: New.
5384         * testsuite/script_test_9.sh: New.
5385         * testsuite/script_test_9.t: New.
5386
5387 2010-05-19  Doug Kwan  <dougkwan@google.com>
5388
5389         * arm.cc (Arm_input_section::original_size): New method.
5390         (Arm_input_section::do_addralign): Add a cast.
5391         (Arm_input_section::do_output_offset): Remove static cast.
5392         (Arm_input_section::original_addralign,
5393          Arm_input_section::original_size_): Change type to uint32_t.
5394         (Arm_input_section::init): Add safe casts for section alignment
5395         and size.
5396         (Arm_input_section::set_final_data_size): Do not set address and
5397         offset of stub table.
5398         (Arm_output_section::fix_exidx_coverage): Change use of of
5399         Output_section::Simple_input_section to that of
5400         Output_section::Input_section.
5401         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5402         except for the first pass.
5403         * output.cc (Output_section::get_input_sections): Change type of
5404         input_sections to std::list<Input_section>.
5405         (Output_section::add_script_input_section): Rename from
5406         Output_section::add_simple_input_section.  Change type of SIS
5407         parameter from Simple_input_section to Input_section.
5408         * output.h (Output_section::Simple_input_section): Remove class.
5409         (Output_section::Input_section): Change class visibility to public.
5410         (Output_section::Input_section::addralign): Use stored alignments
5411         for special input sections if set.
5412         (Output_section::Input_section::set_addralign): New method.
5413         (Output_section::get_input_sections): Change parameter type from
5414         list of Simple_input_section to list of Input_section.
5415         (Output_section::add_script_input_section): Rename from
5416         Output_section::add_simple_input_section. Change first parameter's
5417         type from Simple_input_section to Input_section and remove the
5418         second and third parameters.
5419         * script-sections.cc (Input_section::Input_section_list): Change
5420         type to list of Output_section::Input_section/
5421         (Input_section_info::Input_section_info): Change parameter type of
5422         INPUT_SECTION to Output_section::Input_section.
5423         (Input_section_info::input_section): Change return type.
5424         (Input_section_info::input_section_): Change type to
5425         Output_section::Input_section.
5426         (Output_section_element_input::set_section_addresses): Adjust code
5427         to use Output_section::Input_section instead of
5428         Output_section::Simple_input_section.  Adjust code for renaming
5429         of Output_section::add_simple_input_section.
5430         (Orphan_output_section::set_section_addresses): Ditto.
5431
5432 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5433
5434         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5435         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5436
5437 2010-05-18  Rafael Espindola  <espindola@google.com>
5438
5439         * options.cc (General_options::finalize): Handle -nostdlib.
5440         * options.h (nostdlib): New option.
5441         * script.cc (script_add_search_dir): Handle -nostdlib.
5442
5443 2010-05-12  Doug Kwan  <dougkwan@google.com>
5444
5445         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5446         attributes section only if there no attributes section after merging.
5447         (Target_arm::merge_object_attributes): Move value of
5448         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5449         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5450         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5451         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5452         and arm_attr_merge_7.stdout.
5453         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5454         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5455         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5456         arm_attr_merge_7b.o): New rules.
5457         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5458         arm_attr_merge_7
5459         * testsuite/Makefile.in: Regenerate.
5460         * testsuite/arm_attr_merge.sh: New file.
5461         * testsuite/arm_attr_merge_[67][ab].s: Same.
5462
5463 2010-05-05  Nick Clifton  <nickc@redhat.com>
5464
5465         * po/es.po: Updated Spanish translation.
5466
5467 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5468
5469         * Makefile.am (install-exec-local): Properly install gold as
5470         default cross linker.
5471         * Makefile.in: Regenerated.
5472
5473 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5474             Nick Clifton  <nickc@redhat.com>
5475
5476         * configure.ac (install_as_default): Define and set to false
5477         unless --enable-gold or --enable-gold=both/gold has been
5478         specified.
5479         * configure: Regenerate.
5480
5481         * Makefile.am (install-exec-local): Install the executable as
5482         'ld.gold'.  If install_as_default is true then also install it as
5483         'ld'.
5484         * Makefile.in: Regenerated.
5485
5486 2010-04-24  Ian Lance Taylor  <iant@google.com>
5487
5488         * layout.cc (Layout::layout_reloc): In relocatable link don't
5489         combine reloc sections for grouped sections.
5490
5491 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5492
5493         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5494         sections that are not ordinary to icf.
5495         * icf.cc (get_section_contents): Handle relocation pointing to section
5496         with no object or shndx information.
5497         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5498         * testsuite/Makefile.in: Regenerate.
5499         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
5500         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
5501
5502 2010-04-22  Ian Lance Taylor  <iant@google.com>
5503
5504         * expression.cc (Expression::Expression_eval_info): Add
5505         result_alignment_pointer field.
5506         (Expression::eval_with_dot): Add result_alignment_pointer
5507         parameter.  Change all callers.
5508         (Expression::eval_maybe_dot): Likewise.
5509         (class Binary_expression): Add alignment_pointer parameter to
5510         left_value and right_value.  Change all callers.
5511         (BINARY_EXPRESSION): Set result alignment.
5512         (class Trinary_expression): Add alignment_pointer parameter to
5513         arg2_value and arg3_value.  Change all callers.
5514         (Trinary_cond::value): Set result alignment.
5515         (Max_expression::value, Min_expression::value): Likewise.
5516         (Align_expression::value): Likewise.
5517         * script-sections.cc (class Sections_element): Add dot_alignment
5518         parameter to set_section_addresses virtual function.  Update
5519         instantiations.
5520         (class Output_section_element): Likewise.
5521         (Script_sections::create_segments): Add dot_alignment parameter.
5522         Change all callers.
5523         (Script_sections::create_segments_from_phdrs_clause): Likewise.
5524         (Script_sections::set_phdrs_clause_addresses): Likewise.
5525         * script-sections.h: Update declarations.
5526         * script.h: Update declarations.
5527         * output.h (Output_segment::set_minimum_p_align): Don't decrease
5528         min_p_align.
5529         * testsuite/script_test_3.t: Set large alignment.
5530         * testsuite/script_test_3.sh: Make sure that at least one LOAD
5531         segment has expected alignment.
5532
5533 2010-04-22  Nick Clifton  <nickc@redhat.com>
5534
5535         * po/gold.pot: Updated by the Translation project.
5536         * po/vi.po: Updated Vietnamese translation.
5537
5538 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
5539
5540         * testsuite/Makefile.am (check_PROGRAMS): Add
5541         icf_virtual_function_folding_test.
5542         * testsuite/Makefile.in: Regenerated.
5543
5544 2010-04-15  Andrew Haley  <aph@redhat.com>
5545
5546         * options.h (merge_exidx_entries): New option.
5547         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
5548         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
5549         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
5550         (Target_arm::merge_exidx_entries): New function.
5551         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
5552         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
5553         to Arm_exidx_fixup constructor.
5554         Add new arg, merge_exidx_entries.
5555         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
5556         Arm_output_section::fix_exidx_coverage.
5557
5558 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
5559
5560         * icf.cc (get_section_contents): Check for preemptible functions.
5561         Ignore addend when appropriate.
5562         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
5563         section folded.
5564         (add_from_relobj): Check for section folded.
5565         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
5566         * symtab.h (should_add_dynsym_entry): Add new parameter.
5567         * target-reloc.h (scan_relocs): Check for section folded.
5568         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
5569         Check reloc types for function pointers in shared objects.
5570         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
5571         case.
5572         (icf_preemptible_functions_test): New test case.
5573         (icf_string_merge_test): New test case.
5574         * testsuite.Makefile.in: Regenerate.
5575         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
5576         bar_glob.  Refactor code.
5577         * testsuite/icf_preemptible_functions_test.cc: New file.
5578         * testsuite/icf_preemptible_functions_test.sh: New file.
5579         * testsuite/icf_string_merge_test.cc: New file.
5580         * testsuite/icf_string_merge_test.sh: New file.
5581         * testsuite/icf_virtual_function_folding_test.cc: New file.
5582         * testsuite/icf_virtual_function_folding_test.sh: New file.
5583
5584 2010-04-14  Doug Kwan  <dougkwan@google.com>
5585
5586         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
5587         for local symbol recounting if we remove a section due to ICF.
5588         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
5589         there are no regular objects in input.
5590
5591 2010-04-13  Doug Kwan  <dougkwan@google.com>
5592
5593         * arm.cc (Arm_input_section::set_final_data_size): Compute
5594         accurate final data size instead of using current data size.
5595
5596 2010-04-09  Doug Kwan  <dougkwan@google.com>
5597
5598         * layout.cc (Layout::choose_output_section): Handle script section
5599         types.
5600         (Layout::make_output_section_for_script): Add section type parameter.
5601         Handle script section types.
5602         * layout.h (Layout::make_output_section_for_script): Add section
5603         type parameter.
5604         * output.cc (Output_section::Output_section): Initialize data member
5605         is_noload_.
5606         (Output_section::do_reset_address_and_file_offset): Do not set address
5607         to 0 if section is a NOLOAD section.
5608         * output.h (Output_section::is_noload): New method.
5609         (Output_section::set_is_noload): Ditto.
5610         (Output_section::is_noload_): New data member.
5611         * script-c.h (Script_section_type): New enum type.
5612         (struct Parser_output_section_header): Add new file section_type.
5613         * script-sections.cc (Sections_element::output_section_name): Add
5614         parameter for returning script section type.
5615         (Output_section_definition::output_section_name): Ditto.
5616         (Output_section_definition::section_type)P; New method.
5617         (Output_section_definiton::script_section_type_name): Ditto.
5618         (Output_section_definition::script_section_type_): New data member.
5619         (Output_section_definition::Output_section_definition): Initialize
5620         data member Output_section_definition::script_section_type_.
5621         (Output_section_definition::create_sections): Pass script section type
5622         to Layout::make_output_section_for_script.
5623         (Output_section_definition::output_section_name): Return script
5624         section type to caller.
5625         (Output_section_definition::set_section_address): Do not advance
5626         dot value and load address if section type is NOLOAD.  Set address
5627         of NOLOAD sections regardless of section flags.
5628         (Output_section_definition::print): Print section type if it is
5629         not SCRIPT_SECTION_TYPE_NONE.
5630         (Output_section_definition::section_type): New method.
5631         (Output_section_definition::script_section_type_name): Ditto.
5632         (Script_sections::output_section_name): Add new parameter
5633         PSECTION_TYPE for returning script section type.  Pass it to
5634         section elements.  Handle discard sections.
5635         (Sort_output_sections::operator()): Handle NOLOAD sections.
5636         * script-sections.h (Script_sections::Section_type): New enum type.
5637         (Script_sections::output_section_name): Add a new parameter for
5638         returning script section type.
5639         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5640         INFO and NOLOAD.
5641         * yyscript.y (union): Add new field SECTION_TYPE.
5642         (COPY, DSECT, INFO, NOLOAD): New tokens.
5643         (opt_address_and_section_type): Change type to output_section_header.
5644         (section_type): New non-terminal
5645         (section_header): Handle section type.
5646         (opt_address_and_section_type): Return section type value.
5647
5648 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5649
5650         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5651         * testsuite/plugin_common_test_2.c (foo): Likewise.
5652
5653 2010-04-08  Doug Kwan  <dougkwan@google.com>
5654
5655         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5656         Output_merge_data.
5657         * output.cc (Output_section::add_merge_input_section): Simplify
5658         code and return status of Output_merge_base::add_input_section.
5659         Update merge section map only if Output_merge_base::add_input_section
5660         returns true.
5661
5662 2010-04-07  Doug Kwan  <dougkwan@google.com>
5663
5664         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5665         if section is marked as containing instructions but has no mapping
5666         symbols.
5667         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5668         correct section index.
5669         (Arm_relobj::find_linked_text_section): Ditto.
5670
5671 2010-04-07  Cary Coutant  <ccoutant@google.com>
5672
5673         * archive.cc (include_member): Destroy Read_symbols_data object before
5674         releasing file.
5675         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5676         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5677         (Read_symbols_data::~Read_symbols_data) New destructor.
5678         (Section_relocs::Section_relocs) New constructor.
5679         (Section_relocs::~Section_relocs) New destructor.
5680         (Read_relocs_data::Read_relocs_data) New constructor.
5681         (Read_relocs_data::~Read_relocs_data) New destructor.
5682         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5683         pointers to NULL after deleting.
5684
5685 2010-04-07  Doug Kwan  <dougkwan@google.com>
5686
5687         * arm.cc: Replace "endianity" with "endianness" in comments.
5688         (Arm_exidx_cantunwind): Ditto.
5689         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5690         (Arm_relobj::merge_flags_and_attributes): New method.
5691         (Arm_relobj::merge_flags_and_attributes_): New data member.
5692         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5693         (Arm_relobj::scan_sections_for_stubs): Ditto.
5694         (Arm_relobj::do_read_symbols): Check to see if we really want to
5695         merge processor-specific flags and attributes.  Exit early if
5696         an object is empty except for section names and the undefined symbol.
5697         (Target_arm::do_finalize_sections): Move check for ELF format to
5698         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5699         attributes from a regular object only when we have determined that
5700         it is aapropriate.  Do not create an .ARM.attributes section in
5701         output if there is no regular input object.
5702         (Target_arm::merge_processor_specific_flags): Check
5703         --warn-mismatch before printing any error.
5704         (Target_arm::merge_object_attributes): Ditto.
5705         * gold.cc (queue_middle_tasks): Handle the case in which there is
5706         no regular object in input.
5707         * options.cc (General_options::parse_EB): New method.
5708         (General_options::parse_EL): Same.
5709         (General_options::General_options): Initialize endianness_.
5710         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5711         New options.
5712         (General_options::Endianness): New enum.
5713         (General_options::endianness): New method.
5714         (General_options::endianness_): New data member.
5715         * parameters.cc (Parameters::set_options): Check target endianness.
5716         (Parameters::set_target_once): Ditto.
5717         (Parameters::check_target_endianness): New method.
5718         (parameters_force_valid_target): If either -EL or -EB is specified,
5719         use it to define endianness of default target.
5720         * parameters.h (Parameters::check_target_endianness): New method
5721         declaration.
5722         * target.h (class Target): Change "endianity" to "endianness"
5723         in comments.
5724
5725 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5726
5727         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5728         * configure: Regenerate.
5729         * Makefile.in: Regenerate.
5730         * testsuite/Makefile.in: Regenerate.
5731
5732 2010-04-06  Cary Coutant  <ccoutant@google.com>
5733
5734         gcc PR lto/42757
5735         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5736         prevailing definitions of common symbols.
5737         * testsuite/plugin_test_6.sh: New test case.
5738         * testsuite/plugin_common_test_1.c: New test case.
5739         * testsuite/plugin_common_test_2.c: New test case.
5740         * testsuite/Makefile.am (plugin_test_6): New test case.
5741         * testsuite/Makefile.in: Regenerate.
5742
5743 2010-04-06  Nick Clifton  <nickc@redhat.com>
5744
5745         * po/vi.po: New Vietnamese translation.
5746
5747 2010-03-30  Doug Kwan  <dougkwan@google.com>
5748
5749         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5750
5751 2010-03-25  Doug Kwan  <dougkwan@google.com>
5752
5753         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5754         to avoid a conversion warning on a 32-bit host.
5755
5756 2010-03-24  Ian Lance Taylor  <iant@google.com>
5757
5758         * testsuite/script_test_3.t: Add a TLS segment.
5759         * testsuite/Makefile.am (check_PROGRAMS): Add
5760         tls_phdrs_script_test.
5761         (tls_phdrs_script_test_SOURCES): Define.
5762         (tls_phdrs_script_test_DEPENDENCIES): Define.
5763         (tls_phdrs_script_test_LDFLAGS): Define.
5764         (tls_phdrs_script_test_LDADD): Define.
5765         * testsuite/Makefile.in: Rebuild.
5766
5767 2010-03-23  Cary Coutant  <ccoutant@google.com>
5768
5769         * fileread.cc (find_or_make_view): Fix comment.
5770
5771 2010-03-23  Ian Lance Taylor  <iant@google.com>
5772
5773         * script-sections.cc (class Orphan_section_placement): Define
5774         PLACE_TLS and PLACE_TLS_BSS.
5775         (Orphan_section_placement::Orphan_section_placement): Initialize
5776         new places.
5777         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5778         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5779         (tls_script_test_SOURCES): Define.
5780         (tls_script_test_DEPENDENCIES): Define.
5781         (tls_script_test_LDFLAGS): Define.
5782         (tls_script_test_LDADD): Define.
5783         * testsuite/Makefile.in: Rebuild.
5784
5785 2010-03-22  Doug Kwan  <dougkwan@google.com>
5786
5787         * arm.cc (Arm_relocate_functions::abs8,
5788         Arm_relocate_functions::abs16): Use correct check for overflow
5789         specified in the ARM ELF specs.
5790         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5791         target of a BLX instruction specially.
5792         (Reloc_stub::stub_type_for_reloc): Ditto.
5793         (Relocate::relocate): Use symbolic names instead of numeric relocation
5794         codes to report error.
5795         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5796         workaround.
5797         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5798         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5799         thumb2_blx_out_of_range.stdout
5800         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5801         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5802         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5803         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5804         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5805         thumb2_blx_in_range, thumb2_blx_in_range.o,
5806         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5807         thumb2_blx_out_of_range.o): New rules.
5808         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5809         thumb2_blx_in_range and thumb2_blx_out_of_range.
5810         * testsuite/Makefile.in: Regenerate.
5811         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5812         * testsuite/thumb_blx_in_range.s: New file.
5813         * testsuite/thumb_blx_out_of_range.s: New file.
5814
5815 2010-03-22  Rafael Espindola  <espindola@google.com>
5816
5817         * archive.cc (Should_include): Move to archive.h.
5818         (should_include_member): Make it a member of Archive.
5819         (Lib_group): New.
5820         (Add_lib_group_symbols): New.
5821         * archive.h: Include options.h.
5822         (Archive_member): Moved from Archive.
5823         (Should_include): Moved from archive.cc.
5824         (Lib_group): New.
5825         (Add_lib_group_symbols): New.
5826         * dynobj.cc (do_should_include_member): New.
5827         * dynobj.h (do_should_include_member): New.
5828         * gold.cc (queue_initial_tasks): Update call to queue.
5829         * main.cc (main): Print lib group stats.
5830         * object.cc (do_should_include_member): New.
5831         * object.h: Include archive.h.
5832         (Object::should_include_member): New.
5833         (Object::do_should_include_member): New.
5834         (Sized_relobj::do_should_include_member): New.
5835         * options.cc (General_options::parse_start_lib): New.
5836         (General_options::parse_end_lib): New.
5837         (Input_arguments::add_file): Handle lib groups.
5838         (Input_arguments::start_group): Check we are not in a lib.
5839         (Input_arguments::start_lib): New.
5840         (Input_arguments::end_lib): New.
5841         * options.h (General_options): Add start_lib and end_lib.
5842         (Input_argument::lib_): New.
5843         (Input_argument::lib): New.
5844         (Input_argument::is_lib): New.
5845         (Input_file_lib): New.
5846         (Input_arguments::in_lib_): New.
5847         (Input_arguments::in_lib): New.
5848         (Input_arguments::start_lib): New.
5849         (Input_arguments::end_lib_): New.
5850         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5851         in unused members as preempted.
5852         (Sized_pluginobj::do_should_include_member): New.
5853         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5854         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5855         return the blocker.
5856         (Read_symbols::do_whole_lib_group): New.
5857         (Read_symbols::do_lib_group): New.
5858         (Read_symbols::do_read_symbols): Handle lib groups.
5859         (Read_symbols::get_name): Handle lib groups.
5860         * readsyms.h (Read_symbols): Add an archive member pointer.
5861         (Read_symbols::do_whole_lib_group): New.
5862         (Read_symbols::do_lib_group): New.
5863         (Read_symbols::member_): New.
5864         * script.cc (read_input_script): Update call to queue_soon.
5865
5866 2010-03-19  Doug Kwan  <dougkwan@google.com>
5867
5868         * arm.cc (Stub_table::Stub_table): Initialize new data members
5869         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5870         (Stub_table::add_reloc_stub): Assign stub offset and update
5871         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5872         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5873         New data members.
5874         (Stub_table::update_data_size_and_addralign): Use
5875         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5876         instead of going over all reloc stubs.
5877         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5878         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5879         Stringpool_template::offset_ to size of Stringpool_char.
5880         (Stringpool_template::new_key_offset): Remove code to initialize
5881         Stringpool_template::offset_.
5882         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5883         Stringpool_template::offset_ to zero.
5884
5885 2010-03-15  Doug Kwan  <dougkwan@google.com>
5886
5887         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5888         offset_.
5889         (Stringpool_template::new_key_offset): New method.
5890         (Stringpool_template::add_string): Assign offsets when adding new
5891         strings.
5892         (Stringpool_template::set_string_offsets): Do not set string offsets
5893         when not optimizing.
5894         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5895         member size_.
5896         (Chunked_vector::clear): Clear size_.
5897         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5898         (Chunked_vector::size): Return size_.
5899         (Chunked_vector::push_back): Use size_ to find insert position.
5900         (Chunked_vector::size_): New data member.
5901         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5902         (Stringpool_template::new_key_offset): New method declaration.
5903         (Stringpool_template::offset_): New data member.
5904
5905 2010-03-15   Rafael Espindola  <espindola@google.com>
5906
5907         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5908         Add_symbols' constructor.
5909         * readsyms.h (Add_symbols): Remove the input_group member.
5910
5911 2010-03-10  Ian Lance Taylor  <iant@google.com>
5912
5913         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5914         target to ask whether a reference to a symbol requires a stack
5915         split.
5916         * target.h (Target::is_call_to_non_split): New function.
5917         (Target::do_is_call_to_non_split): Declare virtual function.
5918         * target.cc: Include "symtab.h".
5919         (Target::do_is_call_to_non_split): New function.
5920         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5921
5922 2010-03-10  Cary Coutant  <ccoutant@google.com>
5923
5924         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5925         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5926         (File_read::open[2]): Add whole_file_view_ to list of views.
5927         (File_read::make_view): Remove test of whole_file_view_.
5928         (File_read::find_or_make_view): Create whole_file_view_ if
5929         necessary.
5930         (File_read::clear_views): Replace bool parameter with enum;
5931         adjust all callers.  Don't delete views with permanent data;
5932         do delete cached views and views from archives if
5933         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5934         if clearing the corresponding view.
5935         * fileread.h (File_read::Clear_views_mode): New enum.
5936         (File_read::View::is_permanent_view): New method.
5937         (File_read::clear_views): Replace bool parameter
5938         with enum; adjust all callers.
5939         * options.h (General_options): Change keep_files_mapped option;
5940         add map_whole_files.
5941         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5942         releasing the file.
5943         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5944         the file.
5945
5946 2010-03-10  David S. Miller  <davem@davemloft.net>
5947
5948         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5949
5950 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5951
5952         * icf.cc (get_section_contents): Add '@' marker after processing the
5953         merge reloc.
5954
5955 2010-03-08  Doug Kwan  <dougkwan@google.com>
5956
5957         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5958         due to a conversion warning.
5959         (Arm_relobj::update_output_local_symbol_count): Check for local
5960         symbol with unset output index.
5961
5962 2010-03-05  Ian Lance Taylor  <iant@google.com>
5963
5964         * options.h (class General_options): Add --spare-dynamic-tags.
5965         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5966         --spare-dynamic-tags.
5967
5968 2010-03-05  Ian Lance Taylor  <iant@google.com>
5969
5970         * incremental.cc: Include "libiberty.h".
5971
5972 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5973
5974         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5975         function, is_info_ member.
5976         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5977         (Versions::Versions): Update caller.
5978         (Versions::define_base_version): Likewise.
5979         (Versions::add_def): Likewise.
5980
5981 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5982
5983         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5984         (Scan::possible_function_pointer_reloc): New function.
5985         (Scan::local_reloc_may_be_function_pointer): Change to call
5986         possible_function_pointer_reloc.
5987         (Scan::global_reloc_may_be_function_pointer): Ditto.
5988         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5989         relocations in ".data.rel.ro._ZTV" section.
5990         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5991         * testsuite/icf_safe_so_test.cc: Ditto.
5992         * testsuite/icf_safe_test.cc: Ditto.
5993         * testsuite/icf_safe_test.sh: Ditto.
5994
5995 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5996             Ian Lance Taylor  <iant@google.com>
5997
5998         * target-reloc.h (relocate_section): Check the symbol table index
5999         for -1U before setting the local symbol index.
6000         (scan_relocatable_relocs): If copying the relocation, record that
6001         the local symbol is required.
6002         * object.h (Symbol_value::is_output_symtab_index_set): New
6003         function.
6004         (Symbol_value::may_be_discarded_from_output_symtab): New
6005         function.
6006         (Symbol_value::has_output_symtab_entry): New function.
6007         (Symbol_value::needs_output_symtab_entry): Remove.
6008         (Symbol_value::output_symtab_index): Make sure the symbol index is
6009         set.
6010         (Symbol_value::set_output_symtab_index): Make sure the symbol
6011         index is not set.  Make sure the new index is valid.
6012         (Symbol_value::set_must_have_output_symtab_entry): New function.
6013         (Symbol_value::has_output_dynsym_entry): New function.
6014         (Symbol_value::set_output_dynsym_index): Make sure the new index
6015         is valid.
6016         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6017         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6018         local symbol if permitted.
6019         (Sized_relobj::do_finalize_local_symbols): Call
6020         is_output_symtab_index_set rather than needs_output_symtab_entry.
6021         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6022         rather than needs_output_symtab_entry.  Call
6023         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6024         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6025         is_output_symtab_index_set rather than needs_output_symtab_entry.
6026         * testsuite/discard_locals_relocatable_test.c: New file.
6027         * testsuite/discard_locals_test.sh: Test -r.
6028         * testsuite/Makefile.am (check_DATA): Add
6029         discard_locals_relocatable_test1.syms,
6030         discard_local_relocatable_test2.syms.
6031         (MOSTLYCLEANFILES): Likewise.  Also add
6032         discard_locals_relocatable_test1.lout and
6033         discard_locals_relocatable_test2.out.
6034         (discard_locals_relocatable_test1.syms): New target.
6035         (discard_locals_relocatable_test.o): New target.
6036         (discard_locals_relocatable_test1.out): New target.
6037         (discard_locals_relocatable_test2.syms): New target.
6038         (discard_locals_relocatable_test2.out): New target.
6039         (various): Add missing ../ld-new dependencies.
6040         * testsuite/Makefile.in: Rebuild.
6041
6042 2010-03-03  Nick Clifton  <nickc@redhat.com>
6043
6044         * po/fi.po: New Finnish translation.
6045
6046 2010-03-01  Doug Kwan  <dougkwan@google.com>
6047
6048         * layout.cc (Layout::Layout): Force section types of .init_array*,
6049         .preinit_array* and .fini_array* sections.
6050         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6051         Fix check of return value of std::string::find.().
6052         (Output_section::Input_section_sort_compare::operator()): Remove
6053         comment about .init_array.
6054         (Output_section::Input_section_sort_init_fini_compare::operator()):
6055         New method.
6056         (Output_section::sort_attached_input_sections): Handle .init_array
6057         and .fini_array specially.
6058         * output.h (Output_section::Inut_section_sort_compare): Update
6059         comment.
6060         (Output_section::Input_section_sort_init_fini_compare): New struct.
6061
6062 2010-02-26  Doug Kwan  <dougkwan@google.com>
6063
6064         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6065         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6066         * testsuite/debug_msg.sh: Avoid matching source line number for
6067         use of global variable undef_int.
6068
6069 2010-02-26  Doug Kwan  <dougkwan@google.com>
6070
6071         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6072         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6073         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6074         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6075         * options.cc (General_options::General_options): Initialize member
6076         fix_v4bx_.
6077         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6078         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6079         and rm_no_fix_v4bx.stdout
6080         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6081         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6082         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6083         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6084         and arm_no_fix_v4bx.
6085         * Makefile.in: Regenerate.
6086         * testsuite/arm_fix_v4bx.s: New file.
6087         * testsuite/arm_fix_v4bx.sh: Ditto.
6088
6089 2010-02-24  Doug Kwan  <dougkwan@google.com>
6090
6091         * arm.cc (Target_arm::got_section): Make the .got section the first
6092         non RELRO section in the data segment.
6093         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6094         suffixes of section names.
6095
6096 2010-02-24  Doug Kwan  <dougkwan@google.com>
6097
6098         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6099         flags and attributes merging if an input file is a binary file.
6100         * fileread.cc (Input_file::open): Record format of original file.
6101         * fileread.h (Input_file::Format): New enum type.
6102         (Input_file::Input_file): Initialize data member format_.
6103         (Input_file::format): New method definition.
6104         (Input_file::format_):: New data member.
6105
6106 2010-02-24  Doug Kwan  <dougkwan@google.com>
6107
6108         * arm.cc (Arm_output_data_got): New class.
6109         (ARM_TCB_SIZE): New constant
6110         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6111         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6112         If user uses a script with a SECTIONS clause, issue only a warning
6113         for a misplaced EXIDX input section.  Otherwise, issue an error.
6114         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6115         garbage collection.
6116         (Target_arm::got_mode_index_entry): Handle static linking.
6117         (Target_arm::Scan::local): Ditto.
6118         (Target_arm::Scan::global): Ditto.
6119         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6120         all incorrectly implemented relocations.
6121         (Target_arm::fix_exidx_coverage): Pass layout to
6122         Arm_output_section::fix_exidx_coverage.
6123         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6124         from ".ARM.exidx." and ".ARM.extab.".
6125
6126 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6127
6128         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6129         section if it does not already exist.
6130         * attributes.cc (Attributes_section_data::Attributes_section_data):
6131         Don't crash if size is zero.
6132
6133 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6134             Ian Lance Taylor  <iant@google.com>
6135
6136         * gold.cc (queue_middle_tasks): If no input files were opened,
6137         exit.
6138         * workqueue.h (Task_function::Task_function): Assert that there is
6139         a blocker.
6140
6141 2010-02-22  Doug Kwan  <dougkwan@google.com>
6142
6143         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6144         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6145         types to avoid warnings due to different uint64_t implementations
6146         on different hosts.
6147
6148 2010-02-21  Doug Kwan  <dougkwan@google.com>
6149
6150         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6151         handling of the maximum backward branch offset.
6152         (Arm_relocate_functions::thumb_branch_common): Ditto.
6153         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6154         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6155         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6156         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6157         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6158         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6159         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6160         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6161         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6162         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6163         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6164         thumb2_bl_out_of_range.o): New rules.
6165         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6166         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6167         thumb2_bl_out_of_range
6168         * testsuite/Makefile.in: Regenerate.
6169         * testsuite/arm_bl_in_range.s: New file.
6170         * testsuite/arm_bl_out_of_range.s: Ditto.
6171         * testsuite/arm_branch_in_range.sh: Ditto.
6172         * testsuite/arm_branch_range.t: Ditto.
6173         * testsuite/thumb2_branch_range.t: Ditto.
6174         * testsuite/thumb_bl_in_range.s: Ditto.
6175         * testsuite/thumb_bl_out_of_range.s: Ditto.
6176         * testsuite/thumb_branch_range.t: Ditto.
6177
6178 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6179
6180         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6181         Add reloc offset information.
6182         * icf.cc (get_section_contents): Change iterators to point to the new
6183         vectors. Add reloc offset information to the contents.
6184         * icf.h (Icf::Sections_reachable_info): New typedef.
6185         (Icf::Sections_reachable_list): New typedef.
6186         (Icf::Offset_info): New typedef.
6187         (Icf::Reloc_info): New struct typedef.
6188         (Icf::Reloc_info_list): New typedef.
6189         (Icf::symbol_reloc_list): Delete method.
6190         (Icf::addend_reloc_list): Delete method.
6191         (Icf::section_reloc_list): Delete method.
6192         (Icf::reloc_info_list): New method.
6193         (Icf::reloc_info_list_): New member.
6194
6195 2010-02-19  Doug Kwan  <dougkwan@google.com>
6196
6197         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6198         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6199         * arm.cc (Arm_relocation_functions): New forward declaration.
6200         (Target_arm::Target_arm): Initialize new data members
6201         got_mod_index_offset_ and tls_base_symbol_defined_.
6202         (Target_arm::Relocate::relocate_tls): New method.
6203         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6204          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6205         New methods.
6206         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6207         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6208         (Target_arm::got_mod_index_offset_,
6209         Target_arm::tls_base_symbol_defined_): New data members.
6210         (Target_arm::Scan::local, Target::Scan::global,
6211         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6212         relocations.
6213
6214 2010-02-18  Doug Kwan  <dougkwan@google.com>
6215
6216         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6217         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6218         text section as a parameter becuase some broken tools may not set
6219         the link in section header.
6220         (Target_arm::has_got_section): New method.
6221         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6222         without any mapping symbol as data only.  Remove warning.
6223         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6224         link in its section header, try to discover the link by inspecting the
6225         REL31 relocation at the beginning of the section.
6226         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6227         in error message.
6228         (Target_arm::Scan::global): Treat any reference to the symbol
6229         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6230
6231 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6232
6233         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6234         (Scan::global_reloc_may_be_function_pointer): New function.
6235         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6236         (Scan::global_reloc_may_be_function_pointer): New function.
6237         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6238         (Scan::global_reloc_may_be_function_pointer): New function.
6239         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6240         (Scan::global_reloc_may_be_function_pointer): New function.
6241         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6242         (Scan::global_reloc_may_be_function_pointer): New function.
6243         (Scan::possible_function_pointer_reloc): New function.
6244         (Target_x86_64::can_check_for_function_pointers): New function.
6245         * gc.h (gc_process_relocs): Scan relocation types to determine if
6246         function pointers were taken for targets that support it.
6247         * icf.cc (Icf::find_identical_sections): Include functions for
6248         folding in safe ICF whose pointer is not taken.
6249         * icf.h (Secn_fptr_taken_set): New typedef.
6250         (fptr_section_id_): New member.
6251         (section_has_function_pointers): New function.
6252         (set_section_has_function_pointers): New function.
6253         (check_section_for_function_pointers): New function.
6254         * options.h: Fix comment for safe ICF option.
6255         * target.h (can_check_for_function_pointers): New function.
6256         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6257         Modify icf_safe_test for X86-64.
6258         * testsuite/Makefile.in: Regenerate.
6259         * testsuite/icf_safe_so_test.cc: New file.
6260         * testsuite/icf_safe_so_test.sh: New file.
6261         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6262         (main): Change to take pointer to function kept_func_3.
6263         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6264         folding is done correctly for X86-64.
6265
6266 2010-02-12  David S. Miller  <davem@davemloft.net>
6267
6268         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6269         is_symbolless parameter.
6270         (Output_reloc<SHT_REL>::is_symbolless): New.
6271         (Output_reloc<SHT_REL>::is_symbolless_): New.
6272         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6273         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6274         (Output_reloc<SHT_RELA>::is_symbolless): New.
6275         (Output_data_reloc::add_global): Handle is_symbolless.
6276         (Output_data_reloc::add_global_relative): Likewise.
6277         (Output_data_reloc::add_local): Likewise.
6278         (Output_data_reloc::add_local_relative): Likewise.
6279         (Output_data_reloc::add_symbolless_global_addend): New.
6280         (Output_data_reloc::add_symbolless_local_addend): New.
6281         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6282         is_symbolless.
6283         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6284         instead of ->is_relative_
6285         (Output_reloc::write): Likewise.
6286         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6287         (Output_reloc::write_rel): Simplify.
6288
6289         * sparc.cc (Target_sparc::Scan::local): Use
6290         ->add_symbolless_local_addend as needed.
6291         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6292         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6293         based upon relocation offset.
6294
6295 2010-02-11  Doug Kwan  <dougkwan@google.com>
6296
6297         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6298         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6299         beginning of function.
6300         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6301         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6302         parameter is_32bit in calls to should_apply_static_reloc.
6303         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6304         (check_DATA): Add arm_abs_global.stdout.
6305         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6306         arm_abs_global.stdout): New rules.
6307         (MOSTLLYCLEANFILES): Add arm_abs_global
6308         * Makefile.in: Regenerate.
6309         * testsuite/arm_abs_global.s: New file.
6310         * testsuite/arm_abs_global.sh: Ditto.
6311         * testsuite/arm_abs_lib.s: Ditto.
6312
6313 2010-02-11  Ian Lance Taylor  <iant@google.com>
6314
6315         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6316         Read_relocs task.
6317         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6318         Allocate_commons_task first.
6319         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6320         task, rather than symtab_lock_.
6321         (Gc_process_relocs::~Gc_process_relocs): New function.
6322         (Gc_process_relocs::is_runnable): Check this_blocker_.
6323         (Gc_process_relocs::locks): Use next_blocker_ rather than
6324         blocker_.
6325         (Scan_relocs::~Scan_relocs): New function.
6326         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6327         symtab_lock_.
6328         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6329         next_blocker_.
6330         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6331         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6332         constructor accordingly.
6333         (class Gc_process_relocs): Likewise.
6334         (class Scan_relocs): Likewise.
6335         * common.h (class Allocate_commons_task): Remove symtab_lock_
6336         field, and corresponding constructor parameter.
6337         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6338         symtab_lock_.
6339         (Allocate_commons_task::locks): Likewise.
6340
6341 2010-02-11  Ian Lance Taylor  <iant@google.com>
6342
6343         * gold-threads.h (class Once): Define.
6344         (class Initialize_lock): Rewrite as child of Once.
6345         * gold-threads.cc (class Once_initialize): Define.
6346         (once_pointer_control): New static variable.
6347         (once_pointer, once_arg): New static variables.
6348         (c_run_once): New static function.
6349         (Once::Once, Once::run_once, Once::internal_run): New functions.
6350         (class Initialize_lock_once): Remove.
6351         (initialize_lock_control): Remove.
6352         (initialize_lock_pointer): Remove.
6353         (initialize_lock_once): Remove.
6354         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6355         (Initialize_lock::initialize): Rewrite.
6356         (Initialize_lock::do_run_once): New function.
6357         * archive.cc (Archive::interpret_header): Only clear name if it is
6358         not already empty.
6359         * fileread.cc: Include "gold-threads.h"
6360         (file_counts_lock): New static variable.
6361         (file_counts_initialize_lock): Likewise.
6362         (File_read::release): Only increment counts when using --stats.
6363         Use a lock around the increment.
6364         * parameters.cc (class Set_parameters_target_once): Define.
6365         (set_parameters_target_once): New static variable.
6366         (Parameters::Parameters): Move here from parameters.h.
6367         (Parameters::set_target): Rewrite.
6368         (Parameters::set_target_once): New function.
6369         (Parameters::clear_target): Move here and rewrite.
6370         * parameters.h (class Parameters): Update declarations.  Add
6371         set_parameters_target_once_ field.
6372         (Parameters::Parameters): Move to parameters.cc.
6373         (Parameters::clear_target): Likewise.
6374         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6375         task.
6376         (Start_group::~Start_group): New function.
6377         (Start_group::is_runnable): New function.
6378         (Start_group::locks, Start_group::run): New functions.
6379         (Finish_group::run): Change saw_undefined to size_t.
6380         * readsyms.h (class Start_group): Define.
6381         (class Finish_group): Change saw_undefined_ field to size_t.
6382         (Finish_group::Finish_group): Remove saw_undefined and
6383         this_blocker parameters.  Change all callers.
6384         (Finish_group::set_saw_undefined): New function.
6385         (Finish_group::set_blocker): New function.
6386         * symtab.h (class Symbol_table): Change saw_undefined to return
6387         size_t.  Change saw_undefined_ field to size_t.
6388         * target-select.cc (Set_target_once::do_run_once): New function.
6389         (Target_selector::Target_selector): Initialize set_target_once_
6390         field.  Don't initialize lock_ and initialize_lock_ fields.
6391         (Target_selector::instantiate_target): Rewrite.
6392         (Target_selector::set_target): New function.
6393         * target-select.h (class Set_target_once): Define.
6394         (class Target_selector): Update declarations.  Make
6395         Set_target_once a friend.  Remove lock_ and initialize_lock_
6396         fields.  Add set_target_once_ field.
6397
6398 2010-02-10  Ian Lance Taylor  <iant@google.com>
6399
6400         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6401         queueing any tasks.
6402         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6403         (queue_middle_tasks): Add all blockers before queueing any tasks.
6404         (queue_final_tasks): Likewise.
6405         * token.h (Task_token::add_blockers): New function.
6406         * object.h (Input_objects::number_of_relobjs): New function.
6407
6408 2010-02-10  Ian Lance Taylor  <iant@google.com>
6409
6410         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6411         shared, not if not position independent.
6412         * x86_64.cc (Relocate::relocate_tls): Likewise.
6413         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6414         (tls_pie_pic_test): New target.
6415         * testsuite/Makefile.in: Rebuild.
6416
6417         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6418         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6419         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6420         * testsuite/Makefile.in: Rebuild.
6421
6422 2010-02-09  David S. Miller  <davem@davemloft.net>
6423
6424         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6425         R_SPARC_RELATIVE using ->add_local_relative().
6426         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6427
6428         * output.h (Output_data_dynamic::add_section_size): New method
6429         that takes two Output_data objects.
6430         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6431         entry param.  Handle it in initializers.
6432         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6433         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6434         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6435         arg.
6436         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6437         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6438         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6439         for dynrel_includes_plt.
6440         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6441         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6442         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6443         before .rela.plt
6444         (Target_sparc::do_finalize_sections): Update to pass true for
6445         dynrel_includes_plt.
6446         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6447         output before .rela.plt
6448         (Target_powerpc::do_finalize_sections): Update to pass true for
6449         dynrel_includes_plt when 32-bit.
6450
6451 2010-02-08  Doug Kwan  <dougkwan@google.com>
6452
6453         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6454         method.
6455         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6456         Arm_relobj::scan_section_for_cortex_a8_stubs,
6457         Arm_relobj::do_relocation_section): Instead of calling
6458         Output_section::output_address, use faster
6459         Arm_relobj::simple_input_section_output_address.
6460
6461 2010-02-08  David S. Miller  <davem@davemloft.net>
6462
6463         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6464         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6465         relocation helper function.
6466
6467         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6468         just like R_SPARC_GOT{10,13,22}.
6469         (Target_sparc::Scan::local): Likewise.
6470         (Target_sparc::Relocate:relocate): Likewise.
6471
6472 2010-02-06  Ian Lance Taylor  <iant@google.com>
6473
6474         * configure.ac: Rewrite targetobjs duplicate removal code to use
6475         only shell constructs.
6476         * configure: Rebuild.
6477
6478 2010-02-05  Doug Kwan  <dougkwan@google.com>
6479
6480         PR 11247
6481         * arm.cc (Arm_relobj::section_is_scannable): New method.
6482         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6483         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6484
6485 2010-02-04  Doug Kwan  <dougkwan@google.com>
6486
6487         PR 11247
6488         * arm-reloc-property.cc (cstdio): Include.
6489         * configure.ac (targetobjs): Remove duplicates.
6490         * configure: Regenerate.
6491         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6492         big and little endian version for a given address size.
6493
6494 2010-02-03  Doug Kwan  <dougkwan@google.com>
6495
6496         * arm-reloc-property.cc
6497         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6498         definition.
6499         * arm-reloc-property.h
6500         (Arm_reloc_property_table::get_implemented_static_reloc_property):
6501         New method definition.
6502         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6503         declaration.
6504         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
6505         overflow to N.
6506         (GOT_PREL): Change implemented to Y.
6507         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
6508         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
6509         (Arm_relocate_functions::movw_abs_nc): Remove method.
6510         (Arm_relocate_functions::movt_abs): Ditto.
6511         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
6512         (Arm_relocate_functions::thm_movt_abs): Ditto.
6513         (Arm_relocate_functions::movw_rel_nc): Ditto.
6514         (Arm_relocate_functions::movw_rel): Ditto.
6515         (Arm_relocate_functions::movt_rel): Ditto.
6516         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
6517         (Arm_relocate_functions:thm_movw_rel): Ditto.
6518         (Arm_relocate_functions:thm_movt_rel): Ditto.
6519         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
6520         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
6521         New method definitions.
6522         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
6523         (Arm_relocation_functions::arm_grp_ldr): Ditto.
6524         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
6525         (Arm_relocation_functions::arm_grp_ldc): Ditto.
6526         (Target_arm::Relocate::relocate): Check for non-static or
6527         unimplemented relocation code and exit early.  Change calls to
6528         Target_arm::reloc_uses_thumb_bit and
6529         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
6530         instead.  Refactor code to handle similar relocations to increase
6531         code sharing.  Remove check for unsupported relocation code in switch
6532         statement.
6533         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
6534         relocation property table to find out size.  Change error message to
6535         print out the name of a relocation code instead of the numeric value.
6536         (Target_arm::scan_reloc_for_stub): Use relocation property table
6537         instead of calling Target_arm::reloc_uses_thumb_bit().
6538
6539 2010-02-02  Doug Kwan  <dougkwan@google.com>
6540
6541         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
6542         types of relaxed input section.
6543
6544 2010-02-02  Doug Kwan  <dougkwan@google.com>
6545
6546         * Makefile.am (HFILES): Add arm-reloc-property.h.
6547         (DEFFILES): New.
6548         (TARGETSOURCES): Add arm-reloc-property.cc
6549         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
6550         (libgold_a_SOURCES): $(DEFFILES)
6551         * Makefile.in: Regenerate.
6552         * arm-reloc-property.cc: New file.
6553         * arm-reloc-property.h: New file.
6554         * arm-reloc.def: New file.
6555         * arm.cc: Update comments.
6556         (arm-reloc-property.h): New included header.
6557         (arm_reloc_property_table): New global variable.
6558         (Target_arm::do_select_as_default_target): New method definition.
6559         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
6560         arm-reloc-property to targ_extra_obj.
6561         * parameters.cc (set_parameters_target): Call
6562         Target::select_as_default_target().
6563         * target.h (Target::select_as_default_target): New method definition.
6564         (Target::do_select_as_default_target): Same.
6565
6566 2010-02-01  Doug Kwan  <dougkwan@google.com>
6567
6568         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
6569         first_output_text_section_.
6570         (Arm_exidx_fixup::first_output_text_section): New method definition.
6571         (Arm_exidx_fixup::first_output_text_section_): New data member.
6572         (Arm_exidx_fixup::process_exidx_section): Record the first text
6573         output section seen.
6574         (Arm_output_section::fix_exidx_coverage): Set correct linked section
6575         and entsize in output section header.
6576
6577 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6578
6579         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
6580         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
6581         (Arm_relocate_functions::thm_alu11): New Method.
6582         (Arm_relocate_functions::thm_pc8): New Method.
6583         (Arm_relocate_functions::thm_pc12): New Method.
6584         (Target_arm::Scan::local): Handle the relocations.
6585         (Target_arm::Scan::global): Likewise.
6586         (Target_arm::Relocate::relocate): Likewise.
6587         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6588
6589 2010-01-29  Doug Kwan  <dougkwan@google.com>
6590
6591         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
6592         of relocation types as ld.
6593
6594 2010-01-29  Doug Kwan  <dougkwan@google.com>
6595
6596         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6597         to public.
6598         (Arm_relocate_functions::thumb_branch_common): Ditto.
6599         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6600         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6601         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6602         Arm_relocate_functions::jump24): Remove.
6603         (Target_arm::Relocate::relocate): Adjust code to call
6604         Arm_relocation_functions::arm_branch_common and
6605         Arm_relocation_functions::thumb_branch_common instead of their removed
6606         wrappers.  Merge switch-cases together to reduce source code size.
6607
6608 2010-01-29  Doug Kwan  <dougkwan@google.com>
6609
6610         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6611         output_local_symbol_count_needs_update_.
6612         (Arm_relobj::output_local_symbol_count_needs_update,
6613          Arm_relobj::set_output_local_symbol_count_needs_update,
6614          Arm_relobj::update_output_local_symbol_count): New methods.
6615         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6616         member.
6617         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6618         of pointed function as in a R_ARM_PREL31 relocation.
6619         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6620         for output local symbol count updating.
6621         (Target_arm::do_relax): Update output local symbol counts in objects
6622         if necessary.
6623         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6624
6625 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6626
6627         * arm.cc: Added support for the ARM relocations:
6628         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6629         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6630         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6631         movw_prel_nc).
6632         (Arm_relocate_functions::movw_rel): New method.
6633         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6634         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6635         thm_movw_prel_nc).
6636         (Arm_relocate_functions::thm_movw_rel): New method.
6637         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6638         thm_movt_prel).
6639         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6640         relocations.
6641         (Target_arm::Scan::global): Likewise.
6642         (Target_arm::Relocate::relocate): Likewise.
6643         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6644         Likewise.
6645
6646 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6647
6648         * arm.cc: Added support for ARM group relocations.
6649         (Target_arm::reloc_needs_sym_origin): New method.
6650         (Arm_relocate_functions::calc_grp_kn): New method.
6651         (Arm_relocate_functions::calc_grp_residual): New method.
6652         (Arm_relocate_functions::calc_grp_gn): New method.
6653         (Arm_relocate_functions::arm_grp_alu): New Method.
6654         (Arm_relocate_functions::arm_grp_ldr): New Method.
6655         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6656         (Arm_relocate_functions::arm_grp_ldc): New Method.
6657         (Target_arm::Scan::local): Handle the ARM group relocations.
6658         (Target_arm::Scan::global): Likewise.
6659         (Target_arm::Relocate::relocate): Likewise.
6660         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6661         Likewise.
6662
6663 2010-01-26  Doug Kwan  <dougkwan@google.com>
6664
6665         * arm.cc (set): Include.
6666         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6667         pointer type.
6668         (Arm_output_section::Text_section_list): New type.
6669         (Arm_output_section::append_text_sections_to_list): New method.
6670         (Arm_output_section::fix_exidx_coverage): Ditto.
6671         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6672         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6673         Relobj::set_section_offset() instead of
6674         Sized_relobj::invalidate_section_offset().
6675         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6676         parameter for section headers. Ignore relocation sections for
6677         unallocated sections and EXIDX sections.
6678         (Target_arm::fix_exidx_coverage): New method.
6679         (Target_arm::output_section_address_less_than): New type.
6680         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6681         linked text section instead of the EXIDX section.
6682         (Arm_output_section::create_stub_group): Add an assertion to check
6683         that this is not an EXIDX output section.
6684         (Arm_output_section::append_text_sections_to_list): New method.
6685         (Arm_output_section::fix_exidx_coverage): Ditto.
6686         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6687         Arm_relobj::section_needs_reloc_stub_scanning.
6688         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6689         first pass.
6690         (Target_arm::fix_exidx_coverage): New method.
6691         * object.h (Relobj::set_output_section): New method.
6692         (Sized_relobj::invalidate_section_offset): Remove method.
6693         (Sized_relobj::do_invalidate_section_offset): Remove method.
6694         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6695
6696 2010-01-25  Doug Kwan  <dougkwan@google.com>
6697
6698         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6699         Fix warning due to signed and unsigned comparison on a 32-bit host.
6700
6701 2010-01-22  Doug Kwan  <dougkwan@google.com>
6702
6703         * arm.cc (Target_arm::do_relax): Record an output section for section
6704         offset adjustment it contains any stub table that has changed.
6705         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6706         offsets in an output section if necessary.
6707         * output.cc (Output_section::Output_section): Initialize
6708         section_offsets_need_adjustments_.
6709         (Output_section::add_input_section_for_script): Renamed to
6710         Output_section::add_simple_input_section.
6711         (Output_section::save_states): Add a comment.
6712         (Output_section::discard_states): New method defintion.
6713         (Output_section::adjust_section_offsets): Same.
6714         * output.h (Output_section::add_input_section_for_script): Renamed to
6715         Output_section::add_simple_input_section.
6716         (Output_section::discard_states): New method declaration.
6717         (Output_section::adjust_section_offsets): Same.
6718         (Output_section::section_offsets_need_adjustment,
6719         Output_section::set_section_offsets_need_adjustment): New method
6720         definitions.
6721         (Output_section::section_offsets_need_adjustment_): New data member.
6722         * script-sections.cc
6723         (Output_section_element_input::set_section_address): Adjust code for
6724         renaming of Output_section::add_input_section_for_script.
6725         (Orphan_output_section::set_section_address): Same.
6726
6727 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6728
6729         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6730         Fix_v4bx enum values .
6731         * gold/options.h (General_options): New option definitions.
6732         (General_options::fix_v4bx): New method.
6733         (General_options::Fix_v4bx): New enum.
6734         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6735         (General_options::parse_fix_v4bx_interworking): New method.
6736
6737 2010-01-22  Doug Kwan  <dougkwan@google.com>
6738
6739         * arm.cc (Arm_exidx_fixup): New class.
6740
6741 2010-01-21  Doug Kwan  <dougkwan@google.com>
6742
6743         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6744         classes.
6745         (Arm_exidx_section_offset_map): New type.
6746
6747 2010-01-21  Doug Kwan  <dougkwan@google.com>
6748
6749         * arm.cc (Arm_exidx_input_section): New class.
6750         (Arm_relobj::exidx_input_section_by_link,
6751         Arm_relobj::exidx_input_section_by_shndx,
6752         Arm_relobj::make_exidx_input_section): New methods.
6753         (read_arm_attributes_section): Remove.
6754         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6755         information about them.
6756         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6757         to here.
6758
6759 2010-01-20  Doug Kwan  <dougkwan@google.com>
6760
6761         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6762         Input_section_specifier to Section_id.
6763         (Target_arm::new_arm_input_section: Adjust code for change of key
6764         type.
6765         (Target_arm::find_arm_input_section): Ditto.
6766         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6767         (Section_id): Remove.
6768         (Garbage_collection::Section_id_hash): Remove.
6769         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6770         (Section_id): Remove.
6771         (Icf::Section_id_hash): Remove.
6772         * object.h (Section_id, Const_section_id, Section_id_hash,
6773         Const_section_id_hash): New type definitions.
6774         * output.cc (Output_section::add_relaxed_input_section): Change to
6775         use Const_section_id instead of Input_section_specifier as key type.
6776         (Output_section::add_merge_input_section): Ditto.
6777         (Output_section::build_relaxation_map): Change to use Section_id
6778         instead of Input_section_specifier as key type.
6779         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6780         Ditto.
6781         (Output_section::convert_input_sections_to_relaxed_sections): Change
6782         to use Const_section_id instead of Input_section_specifier as key type.
6783         (Output_section::find_merge_section): Ditto.
6784         (Output_section::find_relaxed_input_section): Ditto.
6785         * output.h (Input_section_specifier): Remove class.
6786         (Output_section::Output_section_data_by_input_section_map): Change
6787         key type to Const_section_id.
6788         (Output_section::Output_relaxed_input_section_by_input_section_map):
6789         Ditto.
6790         (Output_section::Relaxation_map): Change key type to Section_id.
6791
6792 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6793
6794         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6795         (class Arm_v4bx_stub): New class.
6796         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6797         (Stub_factory::make_arm_v4bx_stub): New method.
6798         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6799         (Stub_table::empty): Handle v4bx stubs.
6800         (Stub_table::add_arm_v4bx_stub): New method.
6801         (Stub_table::find_arm_v4bx_stub): New method.
6802         (Arm_relocate_functions::v4bx): New method.
6803         (Target_arm::fix_v4bx): New method.
6804         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6805         (Stub_table::relocate_stubs): Likewise.
6806         (Stub_table::do_write): Likewise.
6807         (Stub_table::update_data_size_and_addralign): Likewise.
6808         (Stub_table::finalize_stubs):  Likewise.
6809         (Target_arm::Scan::local): Likewise.
6810         (Target_arm::Scan::global): Likewise.
6811         (Target_arm::do_finalize_sections): Likewise.
6812         (Target_arm::Relocate::relocate): Likewise.
6813         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6814         Likewise.
6815         (Target_arm::scan_reloc_for_stub): Likewise.
6816         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6817
6818 2010-01-19  Ian Lance Taylor  <iant@google.com>
6819
6820         * output.cc (Output_section_headers::do_sized_write): Write large
6821         segment count to sh_info field.
6822         (Output_file_header::do_sized_write): For large segment count,
6823         write PN_XNUM to e_phnum field.
6824
6825 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6826
6827         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6828         (Arm_relocate_functions::thm_jump8): New function.
6829         (Arm_relocate_functions::thm_jump11): New function.
6830         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6831         R_ARM_THM_JUMP11.
6832         (Target_arm::Scan::global): Likewise.
6833         (Target_arm::Relocate::relocate): Likewise.
6834         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6835         Likewise.
6836
6837 2010-01-14  Doug Kwan  <dougkwan@google.com>
6838
6839         * arm.cc (map, utility): Include headers.
6840         (Target_arm::apply_cortex_a8_workaround): New method.
6841         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6842         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6843         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6844         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6845         the --[no-]fix-cortex-a8 command line options.
6846         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6847         (Target_arm::relocate_stub): Use addend in instruction template.
6848         * options.h (DEFINE_bool): Set the user-set flag.
6849         (General_options): Add --[no-]-fix-cortex options.
6850         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6851         : Update fast look-up map after conversion.
6852
6853 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6854
6855         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6856         in the first pass of do_layout.
6857
6858 2010-01-13  Doug Kwan  <dougkwan@google.com>
6859
6860         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6861         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6862         apparent compiler problem of not folding static constant integral
6863         data members of elfcpp::Elf_sizes<32>.
6864
6865 2010-01-13  Doug Kwan  <dougkwan@google.com>
6866
6867         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6868         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6869         Arm_relobj::scan_section_for_cortex_a8_erratum,
6870         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6871         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6872         sections to scan for relocation stubs into a new method
6873         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6874         relocation and Cortex-A8 stub scanning.
6875         (Target_arm::do_relax): Force stubs to be after stubbed sections
6876         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6877         the beginning of a new relaxation pass.  Update a comment.
6878         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6879
6880 2010-01-12  Ian Lance Taylor  <iant@google.com>
6881
6882         * target-reloc.h (visibility_error): New inline function.
6883         (relocate_section): Call visibility_error.
6884         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6885         (MOSTLYCLEANFILES): Likewise.
6886         (protected_4_pic.o, protected_3.err): New targets.
6887         * testsuite/protected_4.cc: New file.
6888
6889 2010-01-12  Doug Kwan  <dougkwan@google.com>
6890
6891         * arm.cc (Cortex_a8_reloc): New class.
6892         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6893         and cortex_a8_relocs_info_.
6894         (Target_arm::fix_cortex_a8): New method definition.
6895         (Target_arm::Cortex_a8_relocs_info): New type.
6896         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6897         New data member declarations.
6898         (Target_arm::scan_reloc_for_stub): Record information about
6899         relocations for THUMB branches that might be exempted from the
6900         Cortex-A8 workaround.
6901         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6902         at the beginning of a relaxation pass.
6903
6904 2010-01-12  Doug Kwan  <dougkwan@google.com>
6905
6906         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6907         (Arm_relobj::Mapping_symbol_position,
6908          Arm_reloj::Mapping_symbol_position_less,
6909          Arm_relobj::Mapping_symbols_info): New types.
6910         (Target_arm::is_mapping_symbol_name): New method definition.
6911         (Arm_relobj::do_count_local_symbols): Save information about mapping
6912         symbols.
6913
6914 2010-01-11  Doug Kwan  <dougkwan@google.com>
6915
6916         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6917         Arm_relocate_functions::thumb32_branch_upper,
6918         Arm_relocate_functions::thumb32_branch_lower,
6919         Arm_relocate_functions::thumb32_cond_branch_offset,
6920         Arm_relocate_functions::thumb32_cond_branch_upper,
6921         Arm_relocate_functions::thumb32_cond_branch_lower,
6922         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6923         branch offset encoding.
6924         (Arm_relocate_functions::thumb_branch_common): Use new branch
6925         offset encoding methods to avoid code duplication.
6926         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6927         (Stub_addend_reader::operator()): Use new branch encoding method
6928         to avoid code duplication.
6929
6930 2010-01-11  Doug Kwan  <dougkwan@google.com>
6931
6932         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6933         (Target_arm::do_finalize_sections): Define special EXIDX section
6934         symbols only if referenced.
6935         * gc.h (Garbage_collection::add_reference): New method.
6936         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6937         code duplication.
6938
6939 2010-01-11  Ian Lance Taylor  <iant@google.com>
6940
6941         * script.cc (Version_script_info::build_expression_list_lookup):
6942         Change complaing about duplicate wildcard match from error to
6943         warning.
6944
6945         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6946         of 2009-12-30.
6947         (Version_script_info::Version_script_info): Initialize globs_,
6948         default_version_, default_is_global_, and exact_.  Don't
6949         initialize globals_ or locals_.
6950         (Version_script_info::build_lookup_tables): Build local symbols
6951         first.
6952         (Version_script_info::unquote): New function.
6953         (Version_script_info::add_exact_match): New function.
6954         (Version_script_info::build_expression_list_lookup): Remove lookup
6955         parameter.  Add is_global parameter.  Change all callers.  Handle
6956         wildcard pattern specially.  Unquote pattern.  Call
6957         add_exact_match.
6958         (Version_script_info::get_name_to_match): New function.
6959         (Version_script_info::get_symbol_version): New function.
6960         (Version_script_info::get_symbol_version_helper): Remove.
6961         (Version_script_info::check_unmatched_names): Call unquote.
6962         * script.h (class Version_script_info): Change get_symbol_version
6963         to be non-inline and add is_global parameter; change all callers.
6964         Rewrite symbol_is_local.  Update declarations.  Define struct
6965         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6966         Remove globals_ and locals_ members.  Add exact_, globs_,
6967         default_version_, is_global_.
6968         (Version_script_info::Glob): Remove pattern, add expression and
6969         is_global.  Update constructor.  Change all callers.
6970         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6971         default version.
6972         (Versions::symbol_section_contents): If a symbol is undefined, or
6973         defined in a dynamic object, set the version index to
6974         VER_NDX_LOCAL.
6975         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6976         symbol_is_local.
6977         (Symbol_table::add_from_pluginobj): Likewise.
6978         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6979
6980 2010-01-11  Doug Kwan  <dougkwan@google.com>
6981
6982         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6983         (incremental_dump_LDADD): Add linking option for libintl.
6984         * Makefile.in: Regenerate.
6985
6986 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6987
6988         PR gold/11144
6989         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6990         instead of -Ds.
6991         * testsuite/Makefile.in: Regenerated.
6992
6993 2010-01-10  Doug Kwan  <dougkwan@google.com>
6994
6995         * options.h (DEFINE_var): Use parentheses around argument varname__
6996         in macro body to avoid any unintended subsequent substitutions.
6997
6998 2010-01-10  Ian Lance Taylor  <iant@google.com>
6999
7000         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7001         candidates before doing symbol resolution.
7002
7003         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7004         ODR candidates if only one is weak.
7005
7006 2010-01-08  Ian Lance Taylor  <iant@google.com>
7007
7008         * script.cc (Version_script_info::build_expression_list_lookup):
7009         Don't warn about ambiguous version, just record the ambiguity.
7010         (Version_script_info::get_symbol_version_helper): Give error if
7011         version is ambiguous.
7012
7013 2010-01-08  Doug Kwan  <dougkwan@google.com>
7014
7015         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7016           prev_data_size_ and prev_addralign_.  Remove initializer for
7017           deleted data member has_been_changed_.
7018           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7019           to determine if the table is empty.
7020           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7021           Remove.
7022           (Stub_table::add_reloc_stub): Define method in class definition
7023           instead of just declaring it there.
7024           (Stub_table::add_cortex_a8_stub): New method definition.
7025           (Stub_table::update_data_size_and_addralign): Ditto.
7026           (Stub_table::finalize_stubs): Ditto.
7027           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7028           (Stub_table::do_addralign_): Return address alignment in the
7029           (Stub_table::do_reset_address_and_file_offset): Define method in
7030           class definition instead of declaring it there.  Set current data
7031           size to be the data size of the previous pass.
7032           (Stub_table::set_final_data_size): Use current data size as the
7033           final data size.
7034           (Stub_table::relocate_stub): Change parameter type of stub from
7035           Reloc_stub pointer to Stub pointer.
7036           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7037           (Stub_table::Cortex_a8_stub_list): New typedef.
7038           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7039            Stub_table::prev_addralign_): New data member.
7040           (Arm_relobj::Arm_relobj): Initialize data member
7041           section_has_cortex_a8_workaround_.
7042           (Arm_relobj::section_has_cortex_a8_workaround,
7043            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7044            definitions.
7045           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7046           declarations.
7047           (Target_arm::relocate_stub): Change parameter type of stub from
7048           Reloc_stub pointer to Stub pointer.
7049           (Insn_template::size, Insn_template::alignment): Handle
7050           THUMB16_SPECIAL_TYPE.
7051           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7052            Stub_table::update_data_size_and_addralign,
7053            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7054           definitions.
7055           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7056           (Stub_table::do_write): Ditto.
7057           (Target_arm::do_relax): Adjust code for changes in Stub_table.
7058
7059 2010-01-08  Ian Lance Taylor  <iant@google.com>
7060
7061         PR 11108
7062         * symtab.h (class Symbol): Remove fields is_target_special_ and
7063         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7064         (Symbol::is_defined_in_discarded_section): New function.
7065         (Symbol::set_is_defined_in_discarded_section): New function.
7066         (Symbol::has_plt_offset): Rewrite.
7067         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7068         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7069         Don't initialize is_target_special_ or has_plt_offset_.
7070         Initialize is_defined_in_discarded_section_.
7071         (Symbol_table::add_from_relobj): If appropriate, set
7072         is_defined_in_discarded_section.
7073         * resolve.cc (Symbol::override_base_with_special): Don't test
7074         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7075         * target-reloc.h (relocate_section): Do special handling for
7076         symbols defined in discarded sections for global symbols as well
7077         as local symbols.
7078
7079 2010-01-08  Ian Lance Taylor  <iant@google.com>
7080
7081         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7082         the SHT_SYMTAB case.
7083
7084 2010-01-08  Ian Lance Taylor  <iant@google.com>
7085
7086         * object.cc (Sized_relobj::do_layout): Don't get confused if
7087         layout_eh_frame returns NULL.
7088
7089 2010-01-08  Ian Lance Taylor  <iant@google.com>
7090
7091         PR 11084
7092         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7093         dynamic symbol table, use the normal symbol table.
7094         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7095         symbol table.
7096
7097 2010-01-08  Ian Lance Taylor  <iant@google.com>
7098
7099         PR 11072
7100         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7101         sections.
7102
7103 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7104
7105         * version.cc (print_version): Change to "Copyright 2010".
7106
7107 2010-01-08  Ian Lance Taylor  <iant@google.com>
7108
7109         PR 10287
7110         PR 11063
7111         * i386.cc (class Target_i386): Change return type of plt_section
7112         to be non-const.
7113         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7114         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7115         tls_desc_rel_ field.
7116         (Output_data_plt_i386::rel_tls_desc): New function.
7117         (Target_i386::rel_tls_desc_section): New function.
7118         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7119         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7120         R_386_TLS_DESC reloc in rel_tls_desc_section.
7121         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7122         Define struct Tlsdesc_info.
7123         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7124         (Target_x86_64::do_reloc_symbol_index): New function.
7125         (Target_x86_64::add_tlsdesc_info): New function.
7126         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7127         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7128         tlsdesc_rel_ field.
7129         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7130         all callers.
7131         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7132         (Target_x86_64::rela_tlsdesc_section): New function.
7133         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7134         handling.
7135         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7136         (Target_x86_64::do_reloc_addend): New function.
7137         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7138         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7139         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7140         (Output_reloc::type): New function.
7141         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7142         (Output_reloc::is_target_specific): New function.
7143         (Output_reloc::target_arg): New function.
7144         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7145         absolute relocs and target specific relocs.
7146         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7147         add_target_specific.
7148         (class Output_data_reloc) [SHT_RELA]: Likewise.
7149         * output.cc (Output_reloc::Output_reloc): Add four new versions
7150         for absolute relocs and target specific relocs.
7151         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7152         (Output_reloc::get_symbol_index): Likewise.
7153         (Output_reloc::local_section_offset): Check that local_sym_index_
7154         is not TARGET_CODE or 0.
7155         (Output_reloc::symbol_value): Likewise.
7156         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7157         reloc.
7158         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7159         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7160         functions.
7161         * layout.cc (add_target_dynamic_tags): Use output section for
7162         DT_PLTRELSZ and DT_JMPREL.
7163
7164 2010-01-07  Ian Lance Taylor  <iant@google.com>
7165
7166         PR 11061
7167         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7168         function.
7169         (class Output_data_reloc_generic): Define.
7170         (class Output_data_reloc_base): Change base class to
7171         Output_data_reloc_generic.  Change add() method to call
7172         bump_relative_reloc_count for a relative reloc.  Remove
7173         sort_relocs_ field.
7174         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7175         to sort_relocs().
7176         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7177         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7178         appropriate.
7179         * layout.h (class Layout): Update declaration.
7180
7181 2010-01-07  Ian Lance Taylor  <iant@google.com>
7182
7183         * output.h (class Output_data): Add const version of
7184         output_section and do_output_section.
7185         (class Output_section_data): Add const version of
7186         do_output_section.
7187         (class Output_section): Likewise.
7188         * layout.cc (Layout::add_target_dynamic_tags): New function.
7189         * layout.h (class Layout): Update declarations.
7190         * arm.cc (Target_arm::do_finalize_sections): Use
7191         add_target_dynamic_tags.
7192         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7193         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7194         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7195         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7196
7197 2010-01-07  Ian Lance Taylor  <iant@google.com>
7198
7199         PR 11042
7200         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7201         object as needed.
7202
7203 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7204             Ian Lance Taylor  <iant@google.com>
7205
7206         PR 11019
7207         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7208         Xindex::read_symtab_xindex.
7209
7210 2010-01-07  Doug Kwan  <dougkwan@google.com>
7211
7212         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7213         (Insn_template::thumb16_bcond_insn): New method declaration.
7214         (Insn_template): Fix spelling.
7215         (Stub::thumb16_special): New method declaration.
7216         (Stub::do_write): Define virtual method which was previously pure
7217         virtual.
7218         (Stub::do_thumb16_special): New method declaration.
7219         (Stub::do_fixed_endian_write): New template member.
7220         (Reloc_stub::do_write): Remove.
7221         (Reloc_stub::do_fixed_endian_write): Remove.
7222         (Cortex_a8_stub): New class definition.
7223         (Stub_factory::make_cortex_a8_stub): New method definition.
7224         (Stub_factory::Stub_factory): Add missing static storage class
7225         qualifier for elf32_arm_stub_a8_veneer_blx.
7226
7227 2010-01-07  Ian Lance Taylor  <iant@google.com>
7228
7229         PR 10980
7230         * options.h (class General_options): Add --warn-unresolved-symbols
7231         and --error-unresolved-symbols.
7232         * errors.cc (Errors::undefined_symbol): Implement
7233         --warn-unresolved-symbols.
7234
7235         * options.h (class General_options): Add -z text and -z textoff.
7236         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7237
7238 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7239
7240         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7241         (Garbage_collection::cident_sections): New function.
7242         (Garbage_collection::add_cident_section): New function.
7243         (Garbage_collection::cident_sections_): New member.
7244         (gc_process_relocs): Add references to sections whose names are C
7245         identifiers.
7246         * gold.h (cident_section_start_prefix): New constant.
7247         (cident_section_stop_prefix): New constant.
7248         (is_cident): New function.
7249         * layout.cc (Layout::define_section_symbols): Replace string constants
7250         with the newly defined constants.
7251         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7252         C identifiers.
7253         * testsuite/Makefile.am: Add gc_orphan_section_test.
7254         * testsuite/Makefile.in: Regenerate.
7255         * testsuite/gc_orphan_section_test.cc: New file.
7256         * testsuite/gc_orphan_section_test.sh: New file.
7257
7258 2010-01-06  Ian Lance Taylor  <iant@google.com>
7259
7260         PR 10980
7261         * options.h (class General_options): Add --warn-shared-textrel.
7262         * layout.cc (Layout::finish_dynamic_section): Implement
7263         --warn-shared-textrel.
7264
7265         PR 10980
7266         * options.h (class General_options): Add --warn-multiple-gp.
7267
7268 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7269
7270         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7271         $(THREADSLIB) and $(LIBDL).
7272         * Makefile.in: Rebuild.
7273
7274 2010-01-06  Ian Lance Taylor  <iant@google.com>
7275
7276         PR 10980
7277         * options.cc (General_options::parse_section_start): New function.
7278         (General_options::section_start): New function.
7279         (General_options::General_options): Initialize all members.
7280         * options.h: Include <map>
7281         (class General_options): Add --section-start.  Add section_starts_
7282         member.
7283         * layout.cc (Layout::attach_allocated_section_to_segment): If
7284         --section-start was used, set the address of the segment.  Remove
7285         local sort_sections.
7286         (Layout::relaxation_loop_body): If the address of the load segment
7287         has been set by --section-start, don't use it.
7288         * output.h (Output_segment::update_flags_for_output_section): New
7289         function.
7290         * output.cc (Output_segment::add_output_section): Call
7291         update_flags_for_output_section.
7292
7293 2010-01-05  Ian Lance Taylor  <iant@google.com>
7294
7295         PR 10980
7296         * options.h (class General_options): Add --undefined-version.
7297         * script.cc (struct Version_expression): Add was_matched_by_symbol
7298         field.
7299         (Version_script_info::matched_symbol): New function.
7300         (Version_script_info::get_symbol_version_helper): Call
7301         matched_symbol.
7302         (Version_script_info::check_unmatched_names): New function.
7303         * script.h (class Version_script_info): Update declarations.
7304         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7305
7306         * options.h (class General_options): Use DEFINE_bool_alias for
7307         allow_multiple_definition.
7308         * resolve.cc (Symbol_table::should_override): Don't test
7309         allow_multiple_definition.
7310
7311         PR 10980
7312         * options.h (class General_options): Add --cref.
7313         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7314         until after printing cref table.
7315         * cref.cc: Include "symtab.h".
7316         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7317         (Cref_table_compare::operator()): New function.
7318         (Cref_inputs::gather_cref): New function.
7319         (filecol): New static const.
7320         (Cref_inputs::print_cref): New function.
7321         (Cref::print_cref): New function.
7322         * cref.h: Include <cstdio>.
7323         (class Cref): Update declarations.
7324         * mapfile.h (Mapfile::file): New function.
7325         * object.h (class Object): Define Symbols.  Declare virtual
7326         do_get_global_symbols.
7327         (Object::get_global_symbols): New function.
7328         * object.cc (Input_objects::add_object): Pass object to cref_ if
7329         --cref.
7330         (Input_objects::archive_start): Likewise.
7331         (Input_objects::archive_stop): Likewise.
7332         (Input_objects::print_cref): New function.
7333         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7334         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7335         --cref.
7336         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7337         function.
7338         * plugin.h (class Sized_pluginobj): Update declarations.
7339
7340 2010-01-05  Ian Lance Taylor  <iant@google.com>
7341
7342         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7343         to is_default_version.  Rename insdef to insdefault.
7344         (Symbol_table::add_from_relobj): Rename def to is_default_version
7345         and local to is_forced_local.
7346         (Symbol_table::add_from_pluginobj): Likewise.
7347         (Symbol_table::add_from_dynobj): Likewise.
7348         (Symbol_table::define_special_symbol): Rename insdef to
7349         insdefault.
7350
7351 2010-01-04  Ian Lance Taylor  <iant@google.com>
7352
7353         PR 10980
7354         * options.h (class General_options): Add
7355         --allow-multiple-definition and -z muldefs.
7356         * resolve.cc (Symbol_table::should_override): Don't warn about a
7357         multiple symbol definition if --allow-multiple-definition or -z
7358         muldefs.
7359
7360         PR 10980
7361         * options.h (class General_options): Add --add-needed and
7362         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7363         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7364         error if --copy-dt-needed-entries aka --add-needed is used and
7365         would cause a change in behaviour.
7366
7367         PR 10980
7368         * options.h (class General_options): Add -G as a short version of
7369         --shared.  Add no-op options -assert, -g, and -i.
7370
7371 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7372
7373         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7374         check for .text or .gnu.linkonce.t sections.
7375         * icf.cc (Icf::find_identical_sections): Ditto.
7376         Change the detection for mangled function name within the section
7377         name.
7378         * icf.h (is_section_foldable_candidate): New function.
7379
7380 2009-12-30  Ian Lance Taylor  <iant@google.com>
7381
7382         PR 10980
7383         * options.h (class General_options): Permit two dashes with
7384         --retain-symbols-file.
7385
7386 2009-12-30  Ian Lance Taylor  <iant@google.com>
7387
7388         PR 10979
7389         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7390         don't put the file header and segment headers in the text
7391         segment.
7392
7393         PR 10979
7394         * common.cc (Sort_commons::operator()): Stabilize sort when both
7395         entries are NULL.
7396         (Symbol_table::do_allocate_commons_list): When allocating common
7397         symbols, skip a symbol which is no longer common.
7398         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7399         an object before checking its type.
7400         * testsuite/common_test_2.c: New file.
7401         * testsuite/common_test_3.c: New file.
7402         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7403         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7404         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7405         (common_test_2_pic.o, common_test_2.so): New targets.
7406         (common_test_3_pic.o, common_test_3.so): New targets.
7407         * testsuite/Makefile.in: Rebuild.
7408
7409         PR 10979
7410         * script.cc (read_input_script): If we see a new SECTIONS clause,
7411         and we have added an input section, give an error.
7412         * layout.h (class Layout): Add have_added_input_section function.
7413         Add have_added_input_section_ field.
7414         * layout.cc (Layout::Layout): Initialize
7415         have_added_input_section_.
7416         (Layout::layout): Set have_added_input_section_.
7417         (Layout::layout_eh_frame): Likewise.
7418
7419 2009-12-30  Ian Lance Taylor  <iant@google.com>
7420
7421         PR 10931
7422         * options.h (class General_options): Add --sort-common option.
7423         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7424         * common.cc (Sort_common): Add sort_order parameter to
7425         constructor.  Add sort_order_ field.
7426         (Sort_commons::operator): Check sort_order_.
7427         (Symbol_table::allocate_commons): Determine the sort order.
7428         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7429         Change all callers.
7430         (Symbol_table::do_allocate_commons_list): Likewise.
7431
7432 2009-12-30  Ian Lance Taylor  <iant@google.com>
7433
7434         PR 10916
7435         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7436         symbols from this object, don't change the visibility of an
7437         undefined symbol.
7438         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7439
7440 2009-12-30  Ian Lance Taylor  <iant@google.com>
7441
7442         PR 10861
7443         * script.h (class Version_script_info): Define Language enum.
7444         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7445         new fields globals_, locals_, and is_finalized_.
7446         * script.cc: Various formatting fixes.
7447         (class Parser_closure): Change language_stack_ from a vector of
7448         std::string to one of Version_script_info::Language.  Adjust all
7449         uses accordingly.
7450         (class Lazy_demangler): Remove.
7451         (struct Version_expression): Change language from std::string to
7452         Version_script_info::Language.
7453         (Version_script_info::Version_script_info): New function.
7454         (Version_script_info::~Version_script_info): Don't call clear.
7455         (Version_script_info::finalize): New function.
7456         (Version_script_info::build_lookup_tables): New function.
7457         (Version_script_info::build_expression_list_lookup): New
7458         function.
7459         (Version_script_info::get_symbol_version_helper): Rewrite to use
7460         lookup tables.
7461         (Version_script_info::print_expression_list): Adjust to use
7462         Version_script_info::Language.
7463         (script_push_lex_into_version_mode): Check that the version script
7464         has not been finalized.
7465         (version_script_push_lang): Change language string to
7466         Version_script_info::Language.
7467         * options.cc (Command_line::version_script): New function.
7468         * options.h (class General_options): Add finalize_dynamic_list
7469         function.  Change version_script from declaration to definition.
7470         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7471         * testsuite/version_script.map: Remove duplicate def of foo.
7472         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7473         version_script.map.
7474         * testsuite/Makefile.in: Rebuild.
7475
7476 2009-12-30  Ian Lance Taylor  <iant@google.com>
7477
7478         PR 10843
7479         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7480         if the input symbol index is 0, make the output symbol index 0.
7481
7482 2009-12-30  Ian Lance Taylor  <iant@google.com>
7483
7484         PR 10670
7485         * options.h (class General_options): Add -x/--discard-all.
7486         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7487         --discard-all.  If the local symbol needs a dynamic entry, check
7488         that before handling --discard-locals.
7489
7490 2009-12-30  Ian Lance Taylor  <iant@google.com>
7491
7492         PR 10450
7493         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7494         flags to PF_R.
7495         (Output_segment::add_output_section): Don't change the flags if
7496         the type is PT_TLS.
7497
7498         PR 10450
7499         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
7500         GNU hash table if they need a dynamic value.  Otherwise, don't add
7501         them if they are defined in a dynamic object or are forced local.
7502
7503 2009-12-29  Ian Lance Taylor  <iant@google.com>
7504
7505         PR 10450
7506         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
7507         .gnu.hash table for a 32-bit target.
7508
7509         PR 10450
7510         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
7511         regular and a dynamic object only needs a dynamic symbol table
7512         entry if it is externally visible.
7513
7514         PR 10450
7515         * i386.cc (class Target_i386): Initialize global_offset_table_ in
7516         constructor.  Add global_offset_table_ field.
7517         (Target_i386::got_section): Set global_offset_table_.
7518         (Target_i386::do_finalize_sections): Set global_offset_table_
7519         size.
7520         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
7521         in constructor.  Add global_offset_table_ field.
7522         (Target_x86_64::got_section): Set global_offset_table_.
7523         (Target_x86_64::do_finalize_sections): Set global_offset_table_
7524         size.
7525
7526         * layout.cc (Layout::Layout): Initialize increase_relro_.
7527         (Layout::get_output_section): Add is_relro, is_last_relro, and
7528         is_first_non_relro parameters.  Change all callers.
7529         (Layout::choose_output_section): Likewise.
7530         (Layout::add_output_section_data): Likewise.
7531         (Layout::make_output_section): Likewise.
7532         (Layout::set_segment_offsets): Clear increase_relro when using a
7533         linker script.
7534         * layout.h (class Layout): Add increase_relro method.  Add
7535         increase_relro_ field.  Update declarations.
7536         * output.cc (Output_section::Output_section): Initialize
7537         is_last_relro_ and is_first_non_relro_.
7538         (Output_segment::add_output_section): Group relro sections is
7539         do_sort is true.  Handle is_last_relro and is_first_non_relro.
7540         (Output_segment::maximum_alignment): Remove relro handling.
7541         (Output_segment::set_section_addresses): Add increase_relro
7542         parameter.  Change all callers.  Add initial alignment to align
7543         relro sections on separate page.  Remove old relro handling.
7544         (Output_segment::set_section_list_addresses): Remove in_relro
7545         parameter.  Change all callers.
7546         (Output_segment::set_offset): Add increase parameter.  Change all
7547         callers.  Remove old relro handling.
7548         * output.h (class Output_section): Add new methods: is_last_relro,
7549         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
7550         Add is_last_relro_ and is_first_non_relro_ fields.
7551         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
7552         Create separate .got.plt section.  Call increase_relro.
7553         * x86_64.cc (Target_x86_64::got_section): Likewise.
7554         * testsuite/relro_script_test.t: Add .got.plt.
7555
7556         PR 10450
7557         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
7558         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
7559         (Layout::finalize): Call set_dynamic_symbol_size.
7560         (Layout::set_dynamic_symbol_size): New function.
7561         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
7562         set_dynamic_symbol_size.
7563
7564         PR 10450
7565         * output.h (class Output_section): Add is_entsize_zero_ field.
7566         * output.cc (Output_section::Output_section): Initialize
7567         is_entsize_zero_.
7568         (Output_section::set_entsize): If two different entsizes are
7569         requested, force it to zero.
7570         (Output_section::add_input_section): Set flags for .debug_str
7571         before updating section flags.  Set entsize.
7572         (Output_section::update_flags_for_input_section): Set SHF_MERGE
7573         and SHF_STRING if all input sections have those flags.
7574
7575 2009-12-29   Rafael Espindola  <espindola@google.com>
7576
7577         * main.cc (main): Fix the sys time reporting.
7578         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
7579         reporting.
7580
7581 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
7582
7583         * options.cc (General_options::parse_version): Allow -v to exit
7584         without an error if there is nothing to link.
7585
7586 2009-12-29  Ian Lance Taylor  <iant@google.com>
7587
7588         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
7589         using a version of gcc before 4.1.
7590         * configure: Rebuild.
7591
7592 2009-12-28  Chris Demetriou  <cgd@google.com>
7593
7594         * attributes.cc (Output_attributes_section_data::do_write): Use
7595         std::vector::front rather than std::vector::data.
7596
7597 2009-12-28  Ian Lance Taylor  <iant@google.com>
7598
7599         * symtab.h (class Symbol_table): Add enum Defined.
7600         * resolve.cc (Symbol_table::should_override): Add defined
7601         parameter.  Change all callers.  Test whether object is NULL
7602         before calling a method on it.
7603         (Symbol_table::report_resolve_problem): Add defined parameter.
7604         Change all callers.
7605         (Symbol_table::should_override_with_special): Likewise.
7606         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7607         parameter.  Change all callers.
7608         (Symbol_table::do_define_in_output_data): Likewise.
7609         (Symbol_table::define_in_output_segment): Likewise.
7610         (Symbol_table::do_define_in_output_segment): Likewise.
7611         (Symbol_table::define_as_constant): Likewise.
7612         (Symbol_table::do_define_as_constant): Likewise.
7613         * script.h (class Symbol_assignment): Add is_defsym parameter to
7614         constructor; change all callers.
7615         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7616         parameter.  Change all callers.  Add is_defsym_ field.
7617         (class Parser_closure): Add parsing_defsym parameter to
7618         constructor; change all callers.  Add parsing_defsym accessor
7619         function.  Add parsing_defsym_ field.
7620
7621 2009-12-28  Ian Lance Taylor  <iant@google.com>
7622
7623         * gold.cc (queue_middle_tasks): Fix formatting.
7624         * object.cc (Relobj::is_section_name_included): Likewise.
7625
7626 2009-12-23  Ian Lance Taylor  <iant@google.com>
7627
7628         * i386.cc (Target_i386::do_calls_non_split): Recognize
7629         -fsplit-stack prologue for a function with a static chain.
7630         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7631         -fsplit-stack prologue when using %r11.
7632
7633 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7634
7635         * options.cc (General_options::parse_version): Make -v continue and do
7636         the link like GNU ld does.
7637
7638 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7639
7640         * Makefile.am (CCFILES): Add timer.cc.
7641         (HFILES): Add timer.h.
7642         * configure.ac: Check for sysconf and times.
7643         * main.cc: include timer.h.
7644         (main): Use Timer instead of get_run_time.
7645         * timer.cc: New.
7646         * timer.h: New.
7647         * workqueue.cc: include timer.h.
7648         (Workqueue::find_and_run_task):
7649         Report user, sys and wall time.
7650         * Makefile.in: Regenerate.
7651         * config.in: Regenerate.
7652         * configure: Regenerate.
7653
7654 2009-12-16  Doug Kwan  <dougkwan@google.com>
7655
7656         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7657         sections.
7658         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7659         relaxed input sections.
7660         * output.cc (Output_section::find_relaxed_input_section): Change
7661         return type to Output_relaxed_input_section pointer.  Adjust code
7662         for new type of relaxed_input_section_map_.
7663         * output.h (Output_section::find_relaxed_input_section): Change
7664         return type to Output_relaxed_input_section pointer.
7665         (Output_section::Output_relaxed_input_section_by_input_section_map):
7666         New type.
7667         (Output_section::relaxed_input_section_map_): Change type to
7668         Output_section::Output_relaxed_input_section_by_input_section_map.
7669         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7670         input section.
7671
7672 2009-12-15  Ian Lance Taylor  <iant@google.com>
7673
7674         * layout.cc (Layout::create_shstrtab): Only write out after input
7675         sections if we are compressing debug sections.
7676
7677 2009-12-15  Ian Lance Taylor  <iant@google.com>
7678
7679         * archive.cc (Archive::add_symbols): Only look up a symbol without
7680         a version if there is, in fact, a version.
7681
7682 2009-12-14  Ian Lance Taylor  <iant@google.com>
7683
7684         Revert -Wshadow changes, all changes from:
7685         2009-12-11  Doug Kwan  <dougkwan@google.com>
7686         2009-12-11  Nick Clifton  <nickc@redhat.com>
7687         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7688
7689 2009-12-11  Doug Kwan  <dougkwan@google.com>
7690
7691         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7692         due to -Wshadow.
7693         * attributes.cc (Object_attribute::size): Ditto.
7694         (Attributes_section_data::size): Ditto.
7695         (Attributes_section_data::Attributes_section_data): Ditto.
7696         (Output_attributes_section_data::do_write): Ditto.
7697         * attributes.h (Object_attribute::set_type): Ditto.
7698         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7699
7700 2009-12-11  Nick Clifton  <nickc@redhat.com>
7701
7702         * archive.cc: Fix shadowed variable warnings.
7703         * arm.cc: Likewise.
7704         * compressed_output.cc: Likewise.
7705         * compressed_output.h: Likewise.
7706         * configure: Likewise.
7707         * dwarf_reader.cc: Likewise.
7708         * dynobj.cc: Likewise.
7709         * dynobj.h: Likewise.
7710         * ehframe.cc: Likewise.
7711         * ehframe.h: Likewise.
7712         * errors.cc: Likewise.
7713         * expression.cc: Likewise.
7714         * fileread.cc: Likewise.
7715         * fileread.h: Likewise.
7716         * freebsd.h: Likewise.
7717         * i386.cc: Likewise.
7718         * icf.cc: Likewise.
7719         * incremental.h: Likewise.
7720         * layout.cc: Likewise.
7721         * layout.h: Likewise.
7722         * mapfile.cc: Likewise.
7723         * merge.cc: Likewise.
7724         * merge.h: Likewise.
7725         * object.cc: Likewise.
7726         * object.h: Likewise.
7727         * options.h: Likewise.
7728         * output.cc: Likewise.
7729         * output.h: Likewise.
7730         * parameters.cc: Likewise.
7731         * plugin.cc: Likewise.
7732         * powerpc.cc: Likewise.
7733         * reduced_debug_output.cc: Likewise.
7734         * reduced_debug_output.h: Likewise.
7735         * reloc.cc: Likewise.
7736         * reloc.h: Likewise.
7737         * resolve.cc: Likewise.
7738         * script-sections.cc: Likewise.
7739         * script.cc: Likewise.
7740         * script.h: Likewise.
7741         * sparc.cc: Likewise.
7742         * symtab.cc: Likewise.
7743         * symtab.h: Likewise.
7744         * target-select.cc: Likewise.
7745         * target-select.h: Likewise.
7746         * token.h: Likewise.
7747         * workqueue.cc: Likewise.
7748         * workqueue.h: Likewise.
7749         * x86_64.cc: Likewise.
7750
7751 2009-12-10  Doug Kwan  <dougkwan@google.com>
7752
7753         * arm.cc (attributes.h): New include.
7754         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7755         (Arm_relobj::~Arm_relobj): Delete object pointed by
7756         attributes_section_data_.
7757         (Arm_relobj::attributes_section_data): New method definition.
7758         (Arm_relobj::attributes_section_data_): New data member declaration.
7759         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7760         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7761         attributes_section_data_.
7762         (Arm_dynobj::attributes_section_data): New method definition.
7763         (Arm_dynobj::attributes_section_data_): New data member declaration.
7764         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7765         initialization value of may_use_blx_ to false.
7766         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7767         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7768         object attributes to compute results instead of hard-coding.
7769         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7770         Target_arm::get_secondary_compatible_arch,
7771         Target_arm::set_secondary_compatible_arch
7772         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7773         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7774         New method declarations.
7775         (Target_arm::get_aeabi_object_attribute): New method definition.
7776         (Target_arm::attributes_section_data_): New data member declaration.
7777         (read_arm_attributes_section): New template definition.
7778         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7779         (Arm_dynobj::do_read_symbols): Ditto.
7780         (Target_arm::do_finalize_sections): Merge attributes sections from
7781         input.  Check for BLX use after attributes section merging.
7782         Fix __exidx_start and __exidx_end visibility.  Create an
7783         .ARM.attributes section if necessary.
7784         (Target_arm::get_secondary_compatible_arch,
7785         Target_arm::set_secondary_compatible_arch,
7786         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7787         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7788         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7789         New method definitions.
7790
7791 2009-12-09  Ian Lance Taylor  <iant@google.com>
7792
7793         * plugin.cc (Plugin::load): Don't cast from void* to a function
7794         pointer.
7795
7796 2009-12-09  Ian Lance Taylor  <iant@google.com>
7797
7798         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7799         information fields.
7800
7801 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7802
7803         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7804         Replace two_file_shared_1.so with two_file_shared_2.so.
7805         * testsuite/Makefile.in: Regenerated.
7806
7807 2009-12-08  Doug Kwan  <dougkwan@google.com>
7808
7809         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7810         (HFILES): Add attributes.h and int_encoding.h.
7811         * Makefile.in: Regenerate.
7812         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7813         function definitions to int_encoding.cc
7814         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7815         prototypes to int_encoding.h
7816         * reduced_debug_output.cc (int_encoding.h): New include.
7817         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7818         function definitions to int_encoding.cc
7819         (insert_into_vector, read_from_pointer): Move template definitions to
7820         int_encoding.h
7821         * attributes.cc: New file.
7822         * attributes.h: New file.
7823         * int_encoding.cc: New file.
7824         * int_encoding.h: New file.
7825
7826 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7827
7828         PR gold/11055
7829         * incremental-dump.cc (dump_incremental_inputs): New.
7830         (main): Use dump_incremental_inputs.
7831
7832 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7833
7834         PR gold/10893
7835         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7836         checking elfcpp::STT_FUNC.
7837         (Target_i386::Relocate::relocate): Likewise.
7838         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7839
7840         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7841         symbols from shared libraries into normal FUNC symbols.
7842
7843         * symtab.h (Symbol): Add is_func and use it.
7844
7845 2009-12-05  Doug Kwan  <dougkwan@google.com>
7846
7847         * arm.cc (Target_arm::arm_info): Initialize new fields
7848         attributes_section and attributes_vendor.
7849         * i386.cc (Target_i386::i386_info): Same.
7850         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7851         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7852         fields attributes_section and attributes_vendor.
7853         * sparc.cc (Target_sparc::sparc_info): Same.
7854         * target.h (Target::attributes_section, Target::attributes_vendor,
7855         Target::is_attributes_section, Target::attribute_arg_type,
7856         Target::attributes_order): New method definitions.
7857         (Target::Target_info::attributes_section,
7858         Target::Target_info::attributes_vendor): New fields.
7859         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7860         virtual method definitions.
7861         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7862         attributes_section and attributes_vendor.
7863         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7864
7865 2009-12-05  Doug Kwan  <dougkwan@google.com>
7866
7867         * arm.cc: Update comments about interworking and stub generation.
7868         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7869         considered as non-PIC.
7870         (Arm_relocate_functions::base_abs): Fix formatting.
7871         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7872         of function to use GOT entry address instead of offset.
7873         (Target_arm::Scan::global): Issue an error if a symbol would need a
7874         PLT does not get one because it is untyped.  Remove code to create
7875         dynamic symbols for relative branches.
7876         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7877         takes unsigned integer instead of boolean.
7878
7879 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7880
7881         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7882         (two_file_test_LDADD): Likewise.
7883         (common_test_1_LDADD): Likewise.
7884         (exception_test_LDADD) Likewise.
7885         (weak_test_LDADD): Likewise.
7886         (many_sections_test_LDADD): Likewise.
7887         (initpri1_LDADD): Likewise.
7888         (script_test_1_LDADD): Likewise.
7889         (script_test_2_LDADD): Likewise.
7890         (justsyms_LDADD): Likewise.
7891         (binary_test_LDADD): Likewise.
7892         (large_LDADD): Likewise.
7893         * testsuite/Makefile.in: Regenerated.
7894
7895 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7896
7897         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7898         (Symbol_table::override_with_special): Likewise.
7899         (Symbol_table::add_from_object): Likewise.
7900
7901 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7902
7903         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7904         Don't set the data_offset twice.
7905
7906 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7907
7908         * testsuite/Makefile.in: Regenerate.
7909
7910 2009-12-03  Doug Kwan  <dougkwan@google.com>
7911
7912         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7913         (Target_arm::do_finalize_sections): Add parameter for symbol table
7914         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7915         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7916         parameter for symbol table pointer.
7917         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7918         an additional parameter for a pointer to symbol table.
7919         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7920         parameter for a symbol table pointer.
7921         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7922         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7923         Ditto.
7924         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7925         parameter for a symbol table pointer.
7926
7927 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7928
7929         * incremental.cc (Incremental_inputs_header)
7930         (Incremental_inputs_header_write, Incremental_inputs_entry)
7931         (Incremental_inputs_entry_write): Move ...
7932         * incremental.h (Incremental_inputs_header)
7933         (Incremental_inputs_header_write, Incremental_inputs_entry)
7934         (Incremental_inputs_entry_write): here.
7935
7936 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7937
7938         * incremental.cc (make_sized_incremental_binary): Set the target.
7939         Error if it is incompatible.
7940         * output.h (Output_file): Add filename method.
7941
7942 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7943
7944         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7945         from the get_* methods.
7946
7947 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7948
7949         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7950         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7951         Write 0 for the data_offset of scripts.
7952
7953 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7954
7955         * testsuite/Makefile.am: Add the incremental_test.sh test.
7956         * testsuite/incremental_test.sh: New.
7957         * testsuite/incremental_test_1.c: New.
7958         * testsuite/incremental_test_2.c: New.
7959
7960 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7961
7962        * incremental-dump.cc (main): Fix typos.
7963
7964 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7965
7966         PR gold/11025
7967         * incremental-dump.cc (main): Use llu to print 64 bit values.
7968
7969 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7970             H.J. Lu  <hongjiu.lu@intel.com>
7971
7972         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7973         $(LIBDL).
7974         (incremental_dump_LDADD): Likewise.
7975         * Makefile.in: Regenerated.
7976
7977 2009-11-25  Doug Kwan  <dougkwan@google.com>
7978
7979         Revert:
7980
7981         2009-11-25  Doug Kwan  <dougkwan@google.com>
7982
7983                 * arm.cc (Target_arm::Target_arm): Move method definition
7984                 outside of class definition.  Add code to handle
7985                 --target1-rel, --target1-abs and --target2= options.
7986                 (Target_arm::get_reloc_reloc_type): Change method to be
7987                 non-static and const.
7988                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7989                 New data member declaration.
7990                 (Target_arm::Scan::local, Target_arm::Scan::global,
7991                 Target_arm::Relocate::relocate,
7992                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7993                 Adjust call to Target_arm::get_real_reloc_type.
7994                 (Target_arm::get_real_reloc_type): Use command line options
7995                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7996                 * options.h (--target1-rel, --target1-abs, --target2): New
7997                 ARM-only options.
7998
7999 2009-11-25  Doug Kwan  <dougkwan@google.com>
8000
8001         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8002         class definition.  Add code to handle --target1-rel, --target1-abs
8003         and --target2= options.
8004         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8005         and const.
8006         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8007         member declaration.
8008         (Target_arm::Scan::local, Target_arm::Scan::global,
8009         Target_arm::Relocate::relocate,
8010         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8011         call to Target_arm::get_real_reloc_type.
8012         (Target_arm::get_real_reloc_type): Use command line options to
8013         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8014         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8015         options.
8016
8017 2009-11-25  Doug Kwan  <dougkwan@google.com>
8018
8019         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8020         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8021         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8022         formatting.
8023         (Arm_relocate_functions::thm_call): Replace body with a call to
8024         Arm_relocate_functions::thumb_branch_common.
8025         (Arm_relocate_functions::thm_jump24,
8026         Arm_relocate_functions::thm_xpc22): New method definitions.
8027         (Arm_relocate_functions::thumb_branch_common): New method definition.
8028         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8029         operator.
8030         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8031         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8032
8033 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8034
8035         * Makefile.am: Build incremental-dump
8036         * Makefile.in: Regenerate.
8037         * incremental-dump.cc: New.
8038         * incremental.cc (Incremental_inputs_header_data,
8039         Incremental_inputs_entry_data): Move to incremental.h
8040         * incremental.h: (Incremental_inputs_header_data,
8041         Incremental_inputs_entry_data): Move from incremental.cc
8042
8043 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8044
8045         * incremental.cc (Incremental_inputs_header,
8046         Incremental_inputs_header_write, Incremental_inputs_entry,
8047         Incremental_inputs_entry_write): Add a typedef with the data type.
8048
8049 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8050
8051         * incremental.cc (Incremental_inputs_header,
8052         Incremental_inputs_header_write, Incremental_inputs_entry,
8053         Incremental_inputs_entry_write): Update comment about which
8054         type has the filed descriptions.
8055
8056 2009-11-15  Doug Kwan  <dougkwan@google.com>
8057
8058         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8059         (Arm_relocate_functions::arm_branch_common): Change method defintion
8060         in class definition to a method declaration and update list of formal
8061         parameters.
8062         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8063         Arm_relocation_functions::jump24): Adjust call to
8064         Arm_relocate_functions::arm_branch_common.  Update list of formal
8065         parameters.
8066         (Arm_relocate_functions::xpc25): New method definition.
8067         (Arm_relocate_functions::arm_branch_common): Move method defintion
8068         out from class definition.  Use stubs for mode-switching and extending
8069         branch ranges.
8070         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8071         specially.  Change code to enable use of stubs in ARM branches.
8072
8073 2009-11-10  Doug Kwan  <dougkwan@google.com>
8074
8075         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8076         in method declaration.
8077         (Target_arm::relocate_stub): New method declaration.
8078         (Target_arm::default_target): Change to return a pointer instead of
8079         a const reference.
8080         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8081         Target_arm::default_target.
8082         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8083         method definition.
8084         (Target_arm::relocate_section): Adjust view.
8085         (Target_arm::relocate_stub): New method definition.
8086
8087 2009-11-10  Doug Kwan  <dougkwan@google.com>
8088
8089         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8090         a format warning.
8091         * incremental.cc (open_incremental_binary): Initialized local
8092         variables to avoid warnings.
8093         * object.cc (make_elf_object): Ditto.
8094         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8095         a format warning.
8096
8097 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8098
8099         PR gold/10930
8100         * testsuite/plugin_test.c: Include "config.h".
8101
8102 2009-11-09  Doug Kwan  <dougkwan@google.com>
8103
8104         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8105         (arm_symbol_value): Remove.
8106         (Arm_relocate_functions::arm_branch_common,
8107         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8108         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8109         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8110         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8111         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8112         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8113         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8114         Arm_relocate_functions::thm_mobw_abs_nc,
8115         Arm_relocate_functions::thm_mov_abs,
8116         Arm_relocate_functions::movw_prel_nc,
8117         Arm_relocate_functions::thm_movt_abs,
8118         Arm_relocate_functions::movt_prel,
8119         Arm_relocate_functions::thm_movw_prel_nc,
8120         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8121         (Target_arm::Relocate::relocate): Only decompose address into two
8122         parts if relocation type uses the thumb-bit and pass the actual
8123         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8124         calls to methods in Arm_relocate_functions for this change.
8125
8126 2009-11-08  Ian Lance Taylor  <iant@google.com>
8127
8128         PR 10925
8129         * reloc.cc: Instantiate
8130         Sized_relobj::initialize_input_to_output_maps and
8131         Sized_relobj:free_input_to_output_maps.
8132
8133 2009-11-06  Ian Lance Taylor  <iant@google.com>
8134
8135         PR 10876
8136         * defstd.cc (in_segment): Set only_if_ref true for "end".
8137
8138 2009-11-06  Doug Kwan  <dougkwan@google.com>
8139
8140         * arm.cc (class Reloc_stub): Correct a comment.
8141         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8142         (Target_arm::scan_section_for_stubs): New method declaration.
8143         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8144         Change methods from private to protected.
8145         (Target_arm::do_may_relax): New method definition.
8146         (Target_arm::do_relax, Target_arm::group_sections,
8147         Target_arm::scan_reloc_for_stub,
8148         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8149         (Target_arm::arm_input_section_map_): New data member declaration.
8150         (Target_arm::scan_reloc_for_stub,
8151         Target_arm::scan_reloc_section_for_stubs,
8152         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8153         Target_arm::do_relax): New method definitions.
8154
8155 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8156
8157         * configure.ac: Check for (struct stat)::st_mtim
8158         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8159         * config.in: Regenerate.
8160         * configure: Regenerate.
8161
8162 2009-11-05  Ian Lance Taylor  <iant@google.com>
8163
8164         PR 10910
8165         * output.cc (Output_segment::add_output_section): Add missing
8166         return statement.
8167
8168 2009-11-04  Ian Lance Taylor  <iant@google.com>
8169
8170         PR 10880
8171         * object.h (class Object): Add is_needed and set_is_needed
8172         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8173         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8174         defined in a dynamic object and referenced by a regular object,
8175         set is_needed for the dynamic object.
8176         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8177         if the file is marked with as_needed and it is not needed.
8178
8179 2009-11-04  Ian Lance Taylor  <iant@google.com>
8180
8181         PR 10887
8182         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8183         tags if data is discarded by linker script.
8184         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8185         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8186         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8187         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8188
8189 2009-11-04  Ian Lance Taylor  <iant@google.com>
8190
8191         * layout.cc (Layout::get_output_section): Add is_interp and
8192         is_dynamic_linker_section parameters.  Change all callers.
8193         (Layout::choose_output_section): Likewise.
8194         (Layout::make_output_section): Likewise.
8195         (Layout::add_output_section_data): Add is_dynamic_linker_section
8196         parameter.  Change all callers.
8197         * layout.h (class Layout): Update declarations.
8198         * output.h (class Output_section): Add is_interp, set_is_interp,
8199         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8200         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8201         generate_code_fills_at_write_ to a bitfield.
8202         * output.cc (Output_section::Output_sections): Initialize new
8203         fields.
8204         (Output_segment::add_output_section): Add do_sort parameter.
8205         Change all callers.
8206
8207 2009-11-03  Ian Lance Taylor  <iant@google.com>
8208
8209         PR 10860
8210         * options.h (class General_options): Add --warn-common.
8211         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8212         merging two common symbols.
8213         (Symbol_table::should_override): Handle --warn-common when merging
8214         a common symbol with a defined symbol.  Use report_resolve_problem
8215         for multiple definitions.
8216         (Symbol_table::report_resolve_problem): New function.
8217         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8218
8219 2009-11-03  Doug Kwan  <dougkwan@google.com>
8220
8221         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8222         stub_factory_.
8223         (Target_arm::stub_factory): New method definition.
8224         (Target_arm::new_arm_input_section,
8225         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8226         Target_arm::reloc_uses_thumb_bit): New method declarations.
8227         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8228         New type definitions.
8229         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8230         member declarations.
8231         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8232         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8233         New method definitions.
8234
8235 2009-11-03  Ian Lance Taylor  <iant@google.com>
8236
8237         * options.h (class General_options): Add --warn_constructors.
8238
8239 2009-11-03  Ian Lance Taylor  <iant@google.com>
8240
8241         PR 10893
8242         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8243         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8244
8245 2009-11-03  Ian Lance Taylor  <iant@google.com>
8246
8247         PR 10895
8248         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8249         --msgid-bugs-address.
8250         (install-pdf): New target.
8251         (install-data_yes): Look up one directory to find mkinstalldirs.
8252
8253 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8254
8255         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8256         tree.
8257
8258 2009-10-30  Doug Kwan  <dougkwan@google.com>
8259
8260         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8261
8262 2009-10-30  Doug Kwan  <dougkwan@google.com>
8263
8264         * arm.cc (Stub_addend_reader): New struct template definition
8265         and partial specializations.
8266         (Stub_addend_reader::operator()): New method definition for a
8267         partially specialized template.
8268
8269 2009-10-30  Doug Kwan  <dougkwan@google.com>
8270
8271         * arm.cc (Arm_relobj::processor_specific_flags): New method
8272         definition.
8273         (Arm_relobj::do_read_symbols): New method declaration.
8274         (Arm_relobj::processor_specific_flags_): New data member declaration.
8275         (Arm_dynobj): New class definition.
8276         (Target_arm::do_finalize_sections): Add input_objects parameter.
8277         (Target_arm::do_adjust_elf_header): New method declaration.
8278         (Target_arm::are_eabi_versions_compatible,
8279         (Target_arm::merge_processor_specific_flags): New method declaration.
8280         (Target_arm::do_make_elf_object): New overloaded method definitions
8281         and declaration.
8282         (Arm_relobj::do_read_symbols): New method definition.
8283         (Arm_dynobj::do_read_symbols): Ditto.
8284         (Target_arm::do_finalize_sections): Add input_objects parameters.
8285         Merge processor-specific flags from all input objects.
8286         (Target_arm::are_eabi_versions_compatible,
8287         Target_arm::merge_processor_specific_flags,
8288         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8289         New method definitions.
8290         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8291         Input_objects pointer type parameter.
8292         * layout.cc (Layout::finalize): Pass input objects to target's.
8293         finalize_sections function.
8294         * output.cc (Output_file_header::do_sized_write): Set ELF file
8295         header's processor-specific flags.
8296         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8297         Input_objects pointer type parameter.
8298         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8299         * target.h (Input_objects): New forward class declaration.
8300         (Target::processor_specific_flags,
8301         Target::are_processor_specific_flags_sect): New method definitions.
8302         (Target::finalize_sections): Add input_objects parameter.
8303         (Target::Target): Initialize processor_specific_flags_ and
8304         are_processor_specific_flags_set_.
8305         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8306         parameter.
8307         (Target::set_processor_specific_flags): New method definition.
8308         (Target::processor_specific_flags_,
8309         Target::are_processor_specific_flags_set_): New data member
8310         declarations.
8311         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8312         Input_objects pointer type parameter.
8313
8314 2009-10-30  Doug Kwan  <dougkwan@google.com>
8315
8316         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8317
8318 2009-10-28  Ian Lance Taylor  <iant@google.com>
8319
8320         * object.h (class Relobj): Drop options parameter from
8321         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8322         do_scan_relocs, do_relocate.  Change all callers.
8323         (class Sized_relobj): Drop options parameters from
8324         do_gc_process_relocs, do_scan_relocs, do_relocate,
8325         do_relocate_sections, relocate_sections, emit_relocs_scan,
8326         emit_relocs_scan_reltype.  Change all callers.
8327         (struct Relocate_info): Remove options field and all references to
8328         it.
8329         * reloc.h (class Read_relocs): Remove options constructor
8330         parameter and options_ field.  Change all callers.
8331         (class Gc_process_relocs, class Scan_relocs): Likewise.
8332         (class Relocate_task): Likewise.
8333         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8334         all callers.
8335         (scan_relocatable_relocs): Likewise.
8336         * target.h (class Sized_target): Remove options parameter from
8337         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8338         all callers.
8339         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8340         callers.
8341         * arm.cc: Update functions to remove options parameters.
8342         * i386.cc: Likewise.
8343         * powerpc.cc: Likewise.
8344         * sparc.cc: Likewise.
8345         * x86_64.cc: Likewise.
8346         * testsuite/testfile.cc: Likewise.
8347
8348 2009-10-28  Doug Kwan  <dougkwan@google.com>
8349
8350         * arm.cc (Arm_relobj): New class definition.
8351         (Arm_relobj::scan_sections_for_stubs,
8352         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8353         New method definitions.
8354
8355 2009-10-28  Cary Coutant  <ccoutant@google.com>
8356
8357         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8358         (Plugin::cleanup_done_): New member.
8359         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8360         (Plugin_manager::cleanup_done_): Remove.
8361         (Plugin_manager::add_input_file): Edit error message.
8362         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8363         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8364
8365 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8366
8367         * fileread.cc: (File_read::View::~View): Use the new
8368         data_ownership_ filed.
8369         (File_read::~File_read): Dispose the new whole_file_view_.
8370         (File_read::open): Mmap the whole file if needed.
8371         (File_read::open): Use whole_file_view_ instead of contents_.
8372         (File_read::find_view): Use whole_file_view_ if applicable.
8373         (File_read::do_read): Use whole_file_view_ instead of contents_.
8374         (File_read::make_view): Use whole_file_view_ instead of contents_,
8375         update File_read::View::View call.
8376         (File_read::find_or_make_view): Update File_read::View::View
8377         call.
8378         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8379         remove contents_
8380         (File_read::View::Data_ownership): New enum.
8381         (File_read::View::View): Replace bool mapped_ with Data_ownership
8382         argument.
8383         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8384         (File_read::View::data_ownership_): New field.
8385         (File_read::contents_): Remove (replaced by whole_file_view_).
8386         (File_read::whole_file_view_): New field.
8387         * options.h (class General_options): Add --keep-files-mapped.
8388
8389 2009-10-27  Cary Coutant  <ccoutant@google.com>
8390
8391         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8392         * testsuite/Makefile.am (plugin_test_5): New test case.
8393         * testsuite/Makefile.in: Regenerate.
8394
8395 2009-10-25  Doug Kwan  <dougkwan@google.com>
8396
8397         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8398         from private to protected to allow access by child class.
8399         (Sized_relobj::do_relocate_sections): New method declaration.
8400         (Sized_relobj::relocate_sections): Virtualize.
8401         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8402         Sized_relobj::relocate_sections.  Instantiate template explicitly
8403         for different target sizes and endianity.
8404
8405 2009-10-24  Doug Kwan  <dougkwan@google.com>
8406
8407         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8408         (Arm_input_section::as_arm_input_section): New method.
8409         (Arm_output_section): New class definition.
8410         (Arm_output_section::create_stub_group,
8411         Arm_output_section::group_sections): New method definitions.
8412
8413 2009-10-22  Doug Kwan  <dougkwan@google.com>
8414
8415         * arm.cc (Arm_input_section): New class definition.
8416         (Arm_input_section::init, Arm_input_section:do_write,
8417         Arm_input_section::set_final_data_size,
8418         Arm_input_section::do_reset_address_and_file_offset): New method
8419         definitions.
8420
8421 2009-10-21  Doug Kwan  <dougkwan@google.com>
8422
8423         * arm.cc (Stub_table, Arm_input_section): New forward class
8424         declarations.
8425         (Stub_table): New class defintion.
8426         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8427         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8428         New method definition.
8429
8430 2009-10-21  Doug Kwan  <dougkwan@google.com>
8431
8432         * arm.cc: Update copyright comments.
8433         (Target_arm): New forward class template declaration.
8434         (Arm_address): New type.
8435         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8436         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8437         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8438         constants.
8439         (Insn_template): Same.
8440         (DEF_STUBS): New macro.
8441         (Stub_type): New enum type.
8442         (Stub_template): New class definition.
8443         (Stub): Same.
8444         (Reloc_stub): Same.
8445         (Stub_factory): Same.
8446         (Target_arm::Target_arm): Initialize may_use_blx_ and
8447         should_force_pic_veneer_.
8448         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8449         Target_arm::should_force_pic_veneer,
8450         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8451         Target_arm::using_thumb_only, Target_arm:;default_target): New
8452         method defintions.
8453         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8454         New data member declarations.
8455         (Insn_template::size, Insn_template::alignment): New method defintions.
8456         (Stub_template::Stub_template): New method definition.
8457         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8458         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8459         (Stub_factory::Stub_factory): New method definition.
8460         * gold.h (string_hash): New template.
8461         * output.h (Input_section_specifier::hash_value): Use
8462         gold::string_hash.
8463         (Input_section_specifier::string_hash): Remove.
8464         * stringpool.cc (Stringpool_template::string_hash): Use
8465         gold::string_hash.
8466
8467 2009-10-20  Doug Kwan  <dougkwan@google.com>
8468
8469         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8470         symbols of relaxed input sections.
8471         * output.h (Output_section::find_relaxed_input_section): Make
8472         method public.
8473
8474 2009-10-16  Doug Kwan  <dougkwan@google.com>
8475
8476         * dynobj.cc (Versions::Versions): Initialize version_script_.
8477         Only insert base version symbol definition for a shared object
8478         if version script defines any version versions.
8479         (Versions::define_base_version): New method definition.
8480         (Versions::add_def): Check that base version is not needed.
8481         (Versions::add_need): Define base version lazily.
8482         * dynobj.h (Versions::define_base_version): New method declaration.
8483         (Versions::needs_base_version_): New data member declaration.
8484         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8485         (check_DATA): Add no_version_test.stdout.
8486         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8487         New make rules.
8488         * testsuite/Makefile.in: Regenerate.
8489         * testsuite/no_version_test.c: New file.
8490         * testsuite/no_version_test.sh: Ditto.
8491
8492 2009-10-16  Doug Kwan  <dougkwan@google.com>
8493
8494         * expression.cc (class Segment_start_expression): New class definition.
8495         (Segment_start_expression::value): New method definition.
8496         (script_exp_function_segment_start): Return a new
8497         Segment_start_expression.
8498         * gold/script-c.h (script_saw_segment_start_expression): New function
8499         prototype.
8500         * script-sections.cc (Script_sections::Script_sections): Initialize
8501         SAW_SEGMENT_START_EXPRESSION_ to false.
8502         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
8503         and -Tbbs options to specify section addresses if given in
8504         command line and no SEGMENT_START expression is seen in a script.
8505         * script-sections.h (Script_sections::saw_segment_start_expression,
8506         Script_sections::set_saw_segment_start_expression): New method
8507         definition.
8508         (Script_sections::saw_segment_start_expression_): New data member
8509         declaration.
8510         * script.cc (script_saw_segment_start_expression): New function.
8511         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
8512         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
8513         script_test_7.sh and script_test_8.sh.
8514         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
8515         script_test_8.stdout.
8516         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
8517         (script_test_6, script_test_6.stdout, script_test_7,
8518         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
8519         * Makefile.in: Regenerate.
8520         * testsuite/script_test_6.sh: New file.
8521         * testsuite/script_test_6.t: Same.
8522         * testsuite/script_test_7.sh: Same.
8523         * testsuite/script_test_7.t: Same.
8524         * testsuite/script_test_8.sh: Same.
8525
8526 2009-10-16  Doug Kwan  <dougkwan@google.com>
8527
8528         * output.cc (Output_segment::set_section_list_address): Cast
8529         expressions to unsigned long long type to avoid format warnings.
8530
8531 2009-10-15  Ian Lance Taylor  <iant@google.com>
8532
8533         * script.cc (Script_options::add_symbol_assignment): Always add a
8534         dot assignment to script_sections_.
8535         * script-sections.cc (Script_sections::add_dot_assignment):
8536         Initialize if necessary.
8537
8538         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
8539         program headers with no load segment if there is a linker script.
8540
8541         * layout.cc (Layout::set_segment_offsets): Align the file offset
8542         to the segment aligment for -N or -n with no load segment.
8543         * output.cc (Output_segment::add_output_section): Don't crash if
8544         the first section is a TLS section.
8545         (Output_segment::set_section_list_addresses): Print an error
8546         message if the address moves backward in a linker script.
8547         * script-sections.cc
8548         (Output_section_element_input::set_section_addresses): Don't
8549         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
8550         (Orphan_output_section::set_section_addresses): Likewise.
8551
8552 2009-10-15  Doug Kwan  <dougkwan@google.com>
8553
8554         * layout.cc (Layout::finish_dynamic_section): Generate tags
8555         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
8556         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
8557         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
8558
8559 2009-10-14  Ian Lance Taylor  <iant@google.com>
8560
8561         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
8562         fields.
8563         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
8564         data_shdr fields of relinfo.
8565         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
8566         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
8567         R_386_TLS_LDO_32, adjust based on section flags.
8568         (Target_i386::Relocate::fix_up_ldo): Remove.
8569
8570 2009-10-13  Ian Lance Taylor  <iant@google.com>
8571
8572         Add support for -pie.
8573         * options.h (class General_options): Add -pie and
8574         --pic-executable.
8575         (General_options::output_is_position_independent): Test -pie.
8576         (General_options::output_is_executable): Return true if not shared
8577         and not relocatable.
8578         (General_options::output_is_pie): Remove.
8579         * options.cc (General_options::finalize): Reject incompatible uses
8580         of -pie.
8581         * gold.cc (queue_middle_tasks): A -pie link is not static.
8582         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
8583         * symtab.cc (Symbol::final_value_is_known): Return false if
8584         output_is_position_independent.
8585         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
8586         output_is_position_independent.
8587         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
8588         output_is_position_independent.
8589         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
8590         output_is_position_independent.
8591         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
8592         two_file_pie_test.
8593         (basic_pie_test.o, basic_pie_test): New targets.
8594         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8595         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8596         (two_file_pie_test): New target.
8597         * testsuite/Makefile.in: Rebuild.
8598         * README: Remove note saying that -pie is not supported.
8599
8600 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8601
8602         * options.h (class General_options): Add -init and -fini.
8603         * layout.cc (Layout::finish_dynamic_section): Emit
8604         given init and fini functions.
8605
8606 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8607
8608         * gc.h (gc_process_relocs): Check if icf is enabled using new
8609         function.
8610         * gold.cc (queue_initial_tasks): Likewise.
8611         (queue_middle_tasks): Likewise.
8612         * object.cc (do_layout): Likewise.
8613         * symtab.cc (is_section_folded): Likewise.
8614         * main.cc (main): Likewise.
8615         * reloc.cc (Read_relocs::run): Likewise.
8616         (Sized_relobj::do_scan_relocs): Likewise.
8617         * icf.cc (is_function_ctor_or_dtor): New function.
8618         (Icf::find_identical_sections): Check if function is ctor or dtor when
8619         safe icf is chosen.
8620         * options.h (General_options::icf): Change option to be an enum.
8621         (Icf_status): New enum.
8622         (icf_enabled): New method.
8623         (icf_safe_folding): New method.
8624         (set_icf_status): New method.
8625         (icf_status_): New variable.
8626         * (options.cc) (General_options::finalize): Set icf_status_.
8627         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8628         icf_test and icf_keep_unique_test to use the --icf enum flag.
8629         * testsuite/icf_safe_test.sh: New file.
8630         * testsuite/icf_safe_test.cc: New file.
8631
8632 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8633
8634         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8635         includes to gc.h and icf.h.
8636         * arm.cc: Include gc.h.
8637         * gold.cc: Likewise.
8638         * i386.cc: Likewise.
8639         * powerpc.cc: Likewise.
8640         * sparc.cc: Likewise.
8641         * x86_64.cc: Likewise.
8642         * gc.h: Include icf.h.
8643
8644 2009-10-11  Ian Lance Taylor  <iant@google.com>
8645
8646         * plugin.cc: Include "gold.h" before other header files.
8647
8648 2009-10-10  Chris Demetriou  <cgd@google.com>
8649
8650         * options.h (Input_file_argument::Input_file_type): New enum.
8651         (Input_file_argument::is_lib_): Replace with...
8652         (Input_file_argument::type_): New member.
8653         (Input_file_argument::Input_file_argument): Take Input_file_type
8654         'type' rather than boolean 'is_lib' as second argument.
8655         (Input_file_argument::is_lib): Use type_.
8656         (Input_file_argument::is_searched_file): New function.
8657         (Input_file_argument::may_need_search): Handle is_searched_file.
8658         * options.cc (General_options::parse_library): Support -l:filename.
8659         (General_options::parse_just_symbols): Update for Input_file_argument
8660         changes.
8661         (Command_line::process): Likewise.
8662         * archive.cc (Archive::get_file_and_offset): Likewise.
8663         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8664         * script.cc (read_script_file, script_add_file): Likewise.
8665         * fileread.cc (Input_file::Input_file): Likewise.
8666         (Input_file::will_search_for): Handle is_searched_file.
8667         (Input_file::open): Likewise.
8668         * readsyms.cc (Read_symbols::get_name): Likewise.
8669         * testsuite/Makefile.am (searched_file_test): New test.
8670         * testsuite/Makefile.in: Regenerate.
8671         * testsuite/searched_file_test.cc: New file.
8672         * testsuite/searched_file_test_lib.cc: New file.
8673
8674 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8675             Ian Lance Taylor  <iant@google.com>
8676
8677         * descriptor.cc: Include <cstdio> and "binary-io.h".
8678         (Descriptors::open): Open the files in binary mode always.
8679         * script.cc (Lex::get_token): Treat \r as whitespace.
8680
8681 2009-10-09  Ian Lance Taylor  <iant@google.com>
8682
8683         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8684
8685 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8686             Ian Lance Taylor  <iant@google.com>
8687
8688         * configure.ac: Check for readv function also.
8689         * fileread.cc (readv): Define if not HAVE_READV.
8690         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8691         does not exist.
8692         * config.in: Regenerate.
8693         * configure: Regenerate.
8694
8695 2009-10-09  Doug Kwan  <dougkwan@google.com>
8696
8697         * layout.cc (Layout::make_output_section): Call target hook to make
8698         ordinary output section.
8699         (Layout::finalize): Adjust parameter list of call the
8700         Target::may_relax().
8701         * layout.h (class Layout::section_list): New method.
8702         * merge.h (Output_merge_base::entsize): Change visibility to public.
8703         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8704         New methods.
8705         (Output_merge_string::do_is_string): New method.
8706         * object.cc (Sized_relobj::do_setup): renamed from
8707         Sized_relobj::set_up.
8708         * object.h (Sized_relobj::adjust_shndx,
8709         Sized_relobj::initializ_input_to_output_maps,
8710         Sized_relobj::free_input_to_output_maps): Change visibilities to
8711         protected.
8712         (Sized_relobj::setup): Virtualize.
8713         (Sized_relobj::do_setup): New method declaration.
8714         (Sized_relobj::invalidate_section_offset,
8715         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8716         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8717         * options.cc (parse_int): New function.
8718         * options.h (parse_int): New declaration.
8719         (DEFINE_int): New macro.
8720         (stub_group_size): New option.
8721         * output.cc (Output_section::Output_section): Initialize memebers
8722         merge_section_map_, merge_section_by_properties_map_,
8723         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8724         (Output_section::add_input_section): Handled deferred code-fill
8725         generation and remove an old comment.
8726         (Output_section::add_relaxed_input_section): New method definition.
8727         (Output_section::add_merge_input_section): Use merge section by
8728         properties map to speed to search.  Update merge section maps
8729         as appropriate.
8730         (Output_section::build_relaxation_map): New method definition.
8731         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8732         Same.
8733         (Output_section::relax_input_section): Renamed to
8734         Output_section::convert_input_sections_to_relaxed_sections and change
8735         interface to take a vector of pointers to relaxed sections.
8736         (Output_section::find_merge_section,
8737         Output_section::find_relaxed_input_section): New method definitions.
8738         (Output_section::is_input_address_mapped,
8739         Output_section::output_offset, Output_section::output_address):
8740         Use output section data maps to speed up searching.
8741         (Output_section::find_starting_output_address): Add comments.
8742         (Output_section::do_write,
8743         Output_section::write_to_postprocessing_buffer): Do code-fill
8744         generation as appropriate.
8745         (Output_section::get_input_sections): Invalidate relaxed input section
8746         map.
8747         (Output_section::restore_states): Adjust type of checkpoint .
8748         Invalidate relaxed input section map.
8749         * output.h (Output_merge_base): New class declaration.
8750         (Input_section_specifier): New class defintion.
8751         (class Output_relaxed_input_section) Change base class to
8752         Output_section_data_build.
8753         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8754         base class initializer.
8755         (Output_section::add_relaxed_input_section): New method declaration.
8756         (Output_section::Input_section): Change visibility to protected.
8757         (Output_section::Input_section::relobj,
8758         Output_section::Input_section::shndx): Handle relaxed input sections.
8759         Output_section::input_sections) Change visibility to protected.  Also
8760         define overload to return a non-const pointer.
8761         (Output_section::Merge_section_properties): New class defintion.
8762         (Output_section::Merge_section_by_properties_map,
8763         Output_section::Output_section_data_by_input_section_map,
8764         Output_section::Relaxation_map): New types.
8765         (Output_section::relax_input_section): Rename method to
8766         Output_section::convert_input_sections_to_relaxed_sections and change
8767         interface to take a vector of relaxed section pointers.
8768         (Output_section::find_merge_section,
8769         Output_section::find_relaxed_input_section,
8770         Output_section::build_relaxation_map,
8771         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8772         New method declarations.
8773         (Output_section::merge_section_map_
8774         Output_section::merge_section_by_properties_map_,
8775         Output_section::relaxed_input_section_map_,
8776         Output_section::is_relaxed_input_section_map_valid_,
8777         Output_section::generate_code_fills_at_write_): New data members.
8778         * script-sections.cc
8779         (Output_section_element_input::set_section_addresses): Call
8780         current_data_size and addralign methods of relaxed input sections.
8781         (Orphan_output_section::set_section_addresses): Call current_data_size
8782         and addralign methods of relaxed input sections.
8783         * symtab.cc (Symbol_table::compute_final_value): Extract template
8784         from the body of Symbol_table::sized_finalize_symbol.
8785         (Symbol_table::sized_finalized_symbol): Call
8786         Symbol_table::compute_final_value.
8787         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8788         (Symbol_table::compute_final_value): New templated method declaration.
8789         * target.cc (Target::do_make_output_section): New method defintion.
8790         * target.h (Target::make_output_section): New method declaration.
8791         (Target::relax): Add more parameters for input objects, symbol table
8792         and layout.  Adjust call to do_relax.
8793         (Target::do_make_output_section): New method declaration.
8794         (Target::do_relax): Add parameters for input objects, symbol table
8795         and layout.
8796
8797 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8798
8799         * pread.c: Include stdio.h.
8800
8801 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8802
8803         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8804         defined.
8805
8806 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8807
8808         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8809         Change read_shndx type to unsigned int.
8810         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8811         int.
8812         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8813         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8814         Change read_shndx type to unsigned int.
8815         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8816         int.
8817         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8818         * layout.cc (Layout::create_symtab_sections): Cast the result of
8819         local_symcount * symsize to off_t in the gold_assert.
8820
8821 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8822
8823         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8824         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8825         R_ARM_BASE_ABS.
8826         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8827         (Arm_relocate_functions::thm_abs5): New function.
8828         (Arm_relocate_functions::abs12): New function.
8829         (Arm_relocate_functions::abs16): New function.
8830         (Arm_relocate_functions::base_abs): New function.
8831         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8832         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8833         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8834         R_ARM_BASE_ABS.
8835         (Scan::global): Likewise.
8836         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8837         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8838         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8839         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8840         R_ARM_BASE_ABS.
8841
8842 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8843
8844         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8845         (Arm_relocate_functions::movt_prel): New function.
8846         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8847         (Arm_relocate_functions::thm_movt_prel): New function.
8848         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8849         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8850         (Scan::global, Relocate::relocate): Likewise.
8851         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8852
8853 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8854
8855         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8856         Incremental_checker.
8857         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8858         unsigned int.
8859         (class Incremental_inputs_header): New class.
8860         (Incremental_inputs_header_writer): Edit comment.
8861         (Incremental_inputs_entry): New class.
8862         (Incremental_inputs_entry_writer): Edit comment.
8863         (Sized_incremental_binary::do_find_incremental_inputs_section):
8864         Add *strtab_shndx parameter, fill it.
8865         (Sized_incremental_binary::do_check_inputs): New method.
8866         (Incremental_checker::can_incrementally_link_output_file): Use
8867         Sized_incremental_binary::check_inputs.
8868         (Incremental_inputs::report_command_line): Save command line in
8869         command_line_.
8870         * incremental.h:
8871         (Incremental_binary::find_incremental_inputs_section): New
8872         method.
8873         (Incremental_binary::do_find_incremental_inputs_section): Add
8874         strtab_shndx parameter.
8875         (Incremental_binary::do_check_inputs): New pure virtual method.
8876         (Sized_incremental_binary::do_check_inputs): Declare.
8877         (Incremental_checker::Incremental_checker): Add incremental_inputs
8878         parameter, use it to initialize incremental_inputs_.
8879         (Incremental_checker::incremental_inputs_): New field.
8880         (Incremental_checker::command_line): New method.
8881         (Incremental_checker::inputs): New method.
8882         (Incremental_checker::command_line_): New field.
8883
8884 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8885
8886         * incremental.cc: Include <cstdarg> and "target-select.h".
8887         (vexplain_no_incremental): New function.
8888         (explain_no_incremental): New function.
8889         (Incremental_binary::error): New method.
8890         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8891         method.
8892         (make_sized_incremental_binary): New function.
8893         (open_incremental_binary): New function.
8894         (can_incrementally_link_file): Add checks if output is ELF and has
8895         inputs section.
8896         * incremental.h: Include "elfcpp_file.h" and "output.h".
8897         (Incremental_binary): New class.
8898         (Sized_incremental_binary): New class.
8899         (open_incremental_binary): Declare.
8900         * object.cc (is_elf_object): Use
8901         elfcpp::Elf_recognizer::is_elf_file.
8902         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8903         * output.h (Output_file::filesize): New method.
8904
8905 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8906
8907         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8908         New function.
8909         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8910         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8911         function.
8912         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8913         function.
8914         (Arm_relocate_functions::movw_abs_nc): New function.
8915         (Arm_relocate_functions::movt_abs): New function.
8916         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8917         (Arm_relocate_functions::thm_movt_abs): New function.
8918         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8919         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8920         (Scan::global): Likewise.
8921         (Relocate::relocate): Likewise.
8922         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8923
8924 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8925
8926         * arm.cc (Arm_relocate_functions::got_prel) New function.
8927         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8928         (Relocate::relocate): Likewise.
8929         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8930
8931 2009-10-06  Ian Lance Taylor  <iant@google.com>
8932
8933         * options.h (class General_options): Define
8934         split_stack_adjust_size parameter.
8935         * object.h (class Object): Add uses_split_stack_ and
8936         has_no_split_stack_ fields.  Add uses_split_stack and
8937         has_no_split_stack accessor functions.  Declare
8938         handle_split_stack_section.
8939         (class Reloc_symbol_changes): Define.
8940         (class Sized_relobj): Define Function_offsets.  Declare
8941         split_stack_adjust, split_stack_adjust_reltype, and
8942         find_functions.
8943         * object.cc (Object::handle_split_stack_section): New function.
8944         (Sized_relobj::do_layout): Call handle_split_stack_section.
8945         * dynobj.cc (Sized_dynobj::do_layout): Call
8946         handle_split_stack_section.
8947         * reloc.cc (Sized_relobj::relocate_sections): Call
8948         split_stack_adjust for executable sections in split_stack
8949         objects.  Pass reloc_map to relocate_section.
8950         (Sized_relobj::split_stack_adjust): New function.
8951         (Sized_relobj::split_stack_adjust_reltype): New function.
8952         (Sized_relobj::find_functions): New function.
8953         * target-reloc.h: Include "object.h".
8954         (relocate_section): Add reloc_symbol_changes parameter.  Change
8955         all callers.
8956         * target.h (class Target): Add calls_non_split method.  Declare
8957         do_calls_non_split virtual method.  Declare match_view and
8958         set_view_to_nop.
8959         * target.cc: Include "elfcpp.h".
8960         (Target::do_calls_non_split): New function.
8961         (Target::match_view): New function.
8962         (Target::set_view_to_nop): New function.
8963         * gold.cc (queue_middle_tasks): Give an error if mixing
8964         split-stack and non-split-stack objects with -r.
8965         * i386.cc (Target_i386::relocate_section): Add
8966         reloc_symbol_changes parameter.
8967         (Target_i386::do_calls_non_split): New function.
8968         * x86_64.cc (Target_x86_64::relocate_section): Add
8969         reloc_symbol_changes parameter.
8970         (Target_x86_64::do_calls_non_split): New function.
8971         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8972         parameter.
8973         * powerpc.cc (Target_powerpc::relocate_section): Add
8974         reloc_symbol_changes parameter.
8975         * sparc.cc (Target_sparc::relocate_section): Add
8976         reloc_symbol_changes parameter.
8977         * configure.ac: Call AM_CONDITIONAL for the default target.
8978         * configure: Rebuild.
8979         * testsuite/Makefile.am (TEST_AS): New variable.
8980         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8981         (check_DATA): Add split_i386 and split_x86_64 files.
8982         (SPLIT_DEFSYMS): Define.
8983         (split_i386_[1234n].o): New targets.
8984         (split_i386_[124]): New targets.
8985         (split_i386_[1234r].stdout): New targets.
8986         (split_x86_64_[1234n].o): New targets.
8987         (split_x86_64_[124]): New targets.
8988         (split_x86_64_[1234r].stdout): New targets.
8989         (MOSTLYCLEANFILES): Add new executables.
8990         * testsuite/split_i386.sh: New file.
8991         * testsuite/split_x86_64.sh: New file.
8992         * testsuite/split_i386_1.s: New file.
8993         * testsuite/split_i386_2.s: New file.
8994         * testsuite/split_i386_3.s: New file.
8995         * testsuite/split_i386_4.s: New file.
8996         * testsuite/split_i386_n.s: New file.
8997         * testsuite/split_x86_64_1.s: New file.
8998         * testsuite/split_x86_64_2.s: New file.
8999         * testsuite/split_x86_64_3.s: New file.
9000         * testsuite/split_x86_64_4.s: New file.
9001         * testsuite/split_x86_64_n.s: New file.
9002         * testsuite/testfile.cc (Target_test): Update relocation_section
9003         function.
9004         * testsuite/Makefile.in: Rebuild.
9005
9006 2009-10-06  Ian Lance Taylor  <iant@google.com>
9007
9008         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9009         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9010         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9011         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9012         the address on ldo_addrs_.
9013         (Target_i386::Relocate::fix_up_ldo): New function.
9014
9015 2009-10-06   Rafael Espindola  <espindola@google.com>
9016
9017         * plugin.cc (add_input_library): New.
9018         (Plugin::load): Add add_input_library to tv.
9019         (Plugin_manager::add_input_file): Add the is_lib argument.
9020         (add_input_file): Update call to Plugin_manager::add_input_file.
9021         (add_input_library): New.
9022         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9023
9024 2009-09-30  Doug Kwan  <dougkwan@google.com>
9025
9026         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9027         symbol and call Symbol::may_need_copy_reloc to determine if
9028         a copy reloc is needed.
9029         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9030         nocopyreloc is given in command line.
9031         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9032         given in command line.
9033         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9034         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9035         of the removed Target_i386::may_need_copy_reloc.
9036         * options.h (copyreloc): New option with default value false.
9037         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9038         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9039         instead of the removed Target_powerpc::may_need_copy_reloc.
9040         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9041         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9042         instead of the removed Target_sparc::may_need_copy_reloc.
9043         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9044         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9045         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9046         instead of the removed Target_x86_64::may_need_copy_reloc.
9047
9048 2009-09-30  Ian Lance Taylor  <iant@google.com>
9049
9050         * object.h (class Object): Remove target_ field, and target,
9051         sized_target, and set_target methods.
9052         (Object::sized_target): Remove.
9053         (class Sized_relobj): Update declarations.  Remove sized_target.
9054         * object.cc (Sized_relobj::setup): Remove target parameter.
9055         Change all callers.
9056         (Input_objects::add_object): Don't do anything with the target.
9057         (make_elf_sized_object): Add punconfigured parameter.  Change all
9058         callers.  Set or test parameter target.
9059         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9060         Change all callers.
9061         * parameters.cc (Parameters::set_target): Change parameter type to
9062         be non-const.
9063         (Parameters::default_target): Remove.
9064         (set_parameters_target): Change parameter type to be non-const.
9065         (parameters_force_valid_target): New function.
9066         (parameters_clear_target): New function.
9067         * parameters.h (class Parameters): Update declarations.  Remove
9068         default_target method.  Add sized_target and clear_target
9069         methods.  Change target_ to be non-const.
9070         (set_parameters_target): Update declaration.
9071         (parameters_force_valid_target): Declare.
9072         (parameters_clear_target): Declare.
9073         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9074         as NULL if we aren't searching.
9075         (Add_symbols::run): Don't check for compatible target.
9076         * fileread.cc (Input_file::open_binary): Call
9077         parameters_force_valid_target.
9078         * gold.cc (queue_middle_tasks): Likewise.
9079         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9080         set_target on object.
9081         * dynobj.h (class Sized_dynobj): Update declarations.
9082         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9083         make_elf_object returns NULL.
9084         (Archive::include_member): Don't check whether object target is
9085         compatible.
9086         * output.cc (Output_section::add_input_section): Get target from
9087         parameters.
9088         (Output_section::relax_input_section): Likewise.
9089         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9090         parameters.
9091         (Sized_relobj::do_scan_relocs): Likewise.
9092         (Sized_relobj::relocate_sections): Likewise.
9093         * resolve.cc (Symbol_table::resolve): Likewise.
9094         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9095         parameter.  Change all callers.
9096         (Symbol_table::add_from_object): Get target from parameters.
9097         (Symbol_table::add_from_relobj): Don't check object target.
9098         (Symbol_table::add_from_dynobj): Likewise.
9099         (Symbol_table::define_special_symbol): Get target from
9100         parameters.
9101         * symtab.h (class Symbol_table): Update declaration.
9102         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9103         parameter.  Change all callers.  Clear parameter target.
9104         (Binary_test): Test target here.
9105         * testsuite/object_unittest.cc (gold_testsuite): Remove
9106         target_test_pointer parameter.  Change all callers.
9107         (Object_test): Test target here.
9108
9109 2009-09-26  Ian Lance Taylor  <iant@google.com>
9110
9111         * testsuite/initpri1.c: Don't try to use constructor priorities if
9112         compiling with gcc before 4.3.
9113
9114 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9115
9116         * testsuite/retain_symbols_file_test.sh (check_present): Change
9117         output file name to retain_symbols_file_test.stdout.
9118         (check_absent): Likewise.
9119
9120 2009-09-18  Craig Silverstein  <csilvers@google.com>
9121
9122         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9123         * options.cc: Include <cerrno> and <fstream>.
9124         (General_options::finalize): Parse -retain-symbols-file tag.
9125         * options.h: New flag.
9126         (General_options): New method should_retain_symbol, new
9127         variable symbols_to_retain.
9128         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9129         should_retain_symbol map.
9130         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9131         * testsuite/Makefile.in: Regenerate.
9132         * testsuite/retain_symbols_file_test.sh: New file.
9133
9134 2009-09-18  Nick Clifton  <nickc@redhat.com>
9135
9136         * po/es.po: Updated Spanish translation.
9137
9138 2009-09-17  Doug Kwan  <dougkwan@google.com>
9139
9140         * debug.h (DEBUG_RELAXATION): New constant.
9141         (DEBUG_ALL): Add DEBUG_RELAXATION.
9142         (debug_string_to_enum): Add relaxation debug option.
9143         * layout.cc
9144         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9145         Layout::Relaxation_debug_check::read_sections,
9146         Layout::Relaxation_debug_check::read_sections): New method definitions.
9147         (Layout::Layout): Initialize data members
9148         record_output_section_data_from_scrips_,
9149         script_output_section_data_list_ and relaxation_debug_check_.
9150         (Layout::save_segments, Layout::restore_segments,
9151         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9152         Layout::relaxation_loop_body): New method definitions.
9153         (Layout::finalize): Support relaxation.  Move section layout code to
9154         Layout::relaxation_loop_body.
9155         (Layout::set_asection_address_from_script): Move code for orphan
9156         section placement out.
9157         (Layout::place_orphan_sections_in_script): New method definition.
9158         * layout.h (Output_segment_headers, Output_file_header):
9159         New forward class declarations.
9160         (Layout::~Layout): Define.
9161         (Layout::new_output_section_data_from_script): New method definition.
9162         (Layout::place_orphan_sections_in_script): New method declaration.
9163         (Layout::Segment_states): New type declaration.
9164         (Layout::save_segments, Layout::restore_segments,
9165         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9166         Layout::relaxation_loop_body): New method declarations.
9167         (Layout::Output_section_data_list): New type declaration.
9168         (Layout::Relaxation_debug_check): New class definition.
9169         (Layout::record_output_section_data_from_script_,
9170         Layout::script_output_section_data_list_, Layout::segment_states_,
9171         Layout::relaxation_debug_check_): New data members.
9172         * output.cc: (Output_section_headers::do_size): New method definition.
9173         (Output_section_headers::Output_section_headers): Move size
9174         computation to Output_section_headers::do_size.
9175         (Output_segment_headers::do_size): New method definition.
9176         (Output_file_header::Output_file_header): Move size computation to
9177         Output_file_header::do_size and call it.
9178         (Output_file_header::do_size): New method definition.
9179         (Output_data_group::Output_data_group): Adjust call to
9180         Output_section_data.
9181         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9182         (Output_symtab_xindex::do_write): Add array bound check.
9183         (Output_section::Input_section::print_to_mapfile): Handle
9184         RELAXED_INPUT_SECTION_CODE.
9185         (Output_section::Output_section): Initialize data member checkpoint_.
9186         (Output_section::~Output_section): Delete checkpoint object pointed
9187         by checkpoint_.
9188         (Output_section::add_input_section): Always add an Input_section if
9189         relaxing.
9190         (Output_section::add_merge_input_section): Add assert.
9191         (Output_section::relax_input_section): New method definition.
9192         (Output_section::set_final_data_size): Set load address to zero for
9193         an unallocated section.
9194         (Output_section::do_address_and_file_offset_have_reset_values):
9195         New method definition.
9196         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9197         Handle relaxed input section.
9198         (Output_section::sort_attached_input_sections): Checkpoint input
9199         section list lazily.
9200         (Output_section::get_input_sections): Change type of input_sections to
9201         list of Simple_input_section pointers.  Checkpoint input section list
9202         lazily.  Also handle relaxed input sections.
9203         (Output_section::add_input_section_for_script): Take a reference to
9204         a Simple_input_section object instead of Relobj pointer and section
9205         index as parameter.  Handle relaxed input sections.
9206         (Output_section::save_states, Output_section::restore_states): New
9207         method definitions.
9208         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9209         (Output_data::is_data_size_fixed): New method definition.
9210         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9211         if it is fixed.
9212         (Output_data::address_and_file_offset_have_reset_values): New method
9213         definition.
9214         (Output_data::do_address_and_file_offset_have_reset_values): New method
9215         definition.
9216         (Output_data::set_data_size): Check that data size is not fixed.
9217         (Output_data::fix_data_size): New method definition.
9218         (Output_data::is_data_size_fixed_): New data member.
9219         (Output_section_headers::set_final_data_size): New method definition.
9220         (Output_section_headers::do_size): New method declaration.
9221         (Output_segment_headers::set_final_data_size): New method definition.
9222         (Output_segment_headers::do_size): New method declaration.
9223         (Output_file_header::set_final_data_size)::New method definition.
9224         (Output_file_header::do_size)::New method declaration.
9225         (Output_section_data::Output_section_data): Add new parameter
9226         is_data_size_fixed and use it to fix data size.
9227         (Output_data_const::Output_data_const): Adjust call to base class
9228         constructor and fix data size.
9229         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9230         base class constructor and fix data size.
9231         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9232         base class constructor and fix data size.
9233         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9234         class constructor and fix data size.
9235         (Output_data_group::set_final_data_size): New method definition.
9236         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9237         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9238         class constructor and fix data size.
9239         (Output_relaxed_input_section): New class definition.
9240         (Output_section::Simple_input_section): New class definition.
9241         (Output_section::get_input_sections): Adjust parameter list.
9242         (Output_section::add_input_section_for_script): Same.
9243         (Output_section::save_states, Output_section::restore_states,
9244         Output_section::do_address_and_file_offset_have_reset_values,
9245         (Output_section::Input_section::Input_section): Handle
9246         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9247         Output_relaxed_input_section.
9248         (Output_section::Input_section::is_input_section,
9249         Output_section::Input_section::set_output_section): Handle relaxed
9250         input section.
9251         (Output_section::Input_section::is_relaxed_input_section,
9252         Output_section::Input_section::output_section_data,
9253         Output_section::Input_section::relaxed_input_section): New method
9254         definitions.
9255         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9256         value.
9257         (Output_section::Input_section::u1_): Update comments.
9258         (Output_section::Input_section::u2_): Add new union member poris.
9259         (Output_section::Checkpoint_output_section): New classs definition.
9260         (Output_section::relax_input_section): New method declaration.
9261         (Output_section::checkpoint_): New data member.
9262         (Output_segment): Update comments.
9263         (Output_segment::Output_segment): Un-privatize copy constructor.
9264         (Output_segment::operator=): Un-privatize.
9265         * script-sections.cc (Output_section_element::Input_section_list):
9266         Change element type to Output_section::Simple_input_section.
9267         (Output_section_element_dot_assignment::set_section_addresses):
9268         Register output section data for relaxation clean up.
9269         (Output_data_exression::Output_data_expression): Adjust call to base
9270         constructor to fix data size.
9271         (Output_section_element_data::set_section_addresses): Register
9272         Output_data_expression object for relaxation clean up.
9273         (struct Input_section_info): Replace Relobj pointer and section index
9274         pair with Output_section::Simple_input_section and Convert struct to a
9275         class.
9276         (Input_section_sorter::operator()): Adjust access to
9277         Input_section_info data member to use accessors.
9278         (Output_section_element_input::set_section_addresses): Use layout
9279         parameter.  Adjust code to use Output_section::Simple_input_section
9280         and Input_secction_info classes.  Register filler for relaxation
9281         clean up.
9282         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9283         and section index pair with Output_section::Simple_input_section
9284         class.  Adjust code accordingly.
9285         (Phdrs_element::release_segment): New method definition.
9286         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9287         segment list.
9288         (Script_sections::release_segments): New method definition.
9289         * gold/script-sections.h (Script_sections::release_segments): New
9290         method declaration.
9291         * gold/target.h (Target::may_relax, Target::relax,
9292         Target::do_may_relax, Target::do_relax): New method definitions.
9293
9294 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9295
9296         * arm.cc (has_signed_unsigned_overflow): New function.
9297         (Arm_relocate_functions::abs8): New function.
9298         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9299         (Target_arm::Scan::global): Likewise.
9300         (Target_arm::relocate::relocate): Likewise.
9301         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9302         Likewise.
9303
9304 2009-09-16  Cary Coutant  <ccoutant@google.com>
9305
9306         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9307         * testsuite/Makefile.in: Regenerate.
9308
9309 2009-09-11  Nick Clifton  <nickc@redhat.com>
9310
9311         * po/gold.pot: Updated by the Translation project.
9312
9313 2009-09-08  Cary Coutant  <ccoutant@google.com>
9314
9315         * output.cc (Output_file::open): Add execute permission to empty file.
9316         * testsuite/Makefile.am (permission_test): New test.
9317         * testsuite/Makefile.in: Regenerate.
9318
9319 2009-09-02  Ian Lance Taylor  <iant@google.com>
9320
9321         * output.cc (Output_file::resize): Call map_no_anonymous rather
9322         than map.
9323
9324 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9325
9326         * gold.cc: Include "incremental.h".
9327         (queue_initial_tasks): Call Incremental_checker methods.
9328         * incremental.cc: Include "output.h".
9329         (Incremental_checker::can_incrementally_link_output_file): New
9330         method.
9331         * incremental.h (Incremental_checker): New class.
9332
9333         * output.cc (Output_file::open_for_modification): New method.
9334         (Output_file::map_anonymous): Changed return type to bool.  Record
9335         map in base_ field.
9336         (Output_file::map_no_anonymous): New method, broken out of map.
9337         (Output_file::map): Use map_no_anonymous and map_anonymous.
9338         * output.h (class Output_file): Update declarations.
9339
9340 2009-08-24  Cary Coutant  <ccoutant@google.com>
9341
9342         * options.h (Command_line::Pre_options): New class.
9343         (Command_line::pre_options): New member.
9344         * options.cc (gold::options::ready_to_register): New variable.
9345         (One_option::register_option): Do nothing if not registering options.
9346         Assert if same short option registered twice.
9347         (General_options::General_options): Turn off option registration when
9348         done constructing.
9349         (Command_line::Pre_options::Pre_options): New constructor.
9350
9351 2009-08-24  Cary Coutant  <ccoutant@google.com>
9352
9353         * options.h (General_options::no_keep_memory): Remove incorrect
9354         short option.
9355
9356 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9357
9358         * Makefile.am (am__skiplex, am__skipyacc): New.
9359         * Makefile.in: Regenerate.
9360
9361 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9362
9363         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9364         (INCLUDES): ... this.
9365         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9366         (AM_CPPFLAGS): Renamed from ...
9367         (INCLUDE): ... this.
9368         * Makefile.in, testsuite/Makefile.in: Regenerate.
9369
9370         * Makefile.in: Regenerate.
9371         * aclocal.m4: Likewise.
9372         * config.in: Likewise.
9373         * configure: Likewise.
9374         * testsuite/Makefile.in: Likewise.
9375
9376         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9377         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9378         * Makefile.in: Regenerate.
9379         * testsuite/Makefile.in: Regenerate.
9380
9381 2009-08-19  Cary Coutant  <ccoutant@google.com>
9382
9383         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9384         symbols in shared libraries overridden by hidden or internal symbols
9385         in the main program.
9386
9387 2009-08-19  Chris Demetriou  <cgd@google.com>
9388
9389         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9390         checking source file names in error messages.
9391
9392 2009-08-18  Doug Kwan  <dougkwan@google.com>
9393
9394         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9395         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9396         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9397         an elfcpp::Ehdr as parameter.
9398         * object.cc (Object::set_target): Remove the version that looks up
9399         a target and sets it.
9400         (Sized_relobj::setup): Take a Target object instead of
9401         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9402         (make_elf_sized_object): Find target and ask target to
9403         make an ELF object.
9404         * object.h: (Object::set_target): Remove the version that looks up
9405         a target and sets it.
9406         (Sized_relobj::setup): Take a Target object instead of
9407         an elfcpp:Ehdr as parameter.
9408         * target.cc: Include dynobj.h.
9409         (Target::do_make_elf_object_implementation): New.
9410         (Target::do_make_elf_object): New.
9411         * target.h (Target::make_elf_object): New template declaration.
9412         (Target::do_make_elf_object): New method declarations.
9413         (Target::do_make_elf_object_implementation): New template declaration.
9414
9415 2009-08-14  Ian Lance Taylor  <iant@google.com>
9416
9417         * gold.h (FUNCTION_NAME): Define.
9418         (gold_unreachable): Use FUNCTION_NAME.
9419
9420 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9421
9422         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9423         symbol in the --keep-unique list is not found.
9424
9425 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9426
9427         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9428         been maked as --keep-unique.
9429         (Icf::unfold_section): New function.
9430         * icf.h (Icf::unfold_section): New function.
9431         * options.h (General_options::keep_unique): New option.
9432         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9433         * testsuite/Makefile.in: Regenerate.
9434         * testsuite/icf_keep_unique_test.sh: New file.
9435         * testsuite/icf_keep_unique_test.cc: New file.
9436
9437 2009-08-12  Cary Coutant  <ccoutant@google.com>
9438
9439         PR 10471
9440         * resolve.cc (Symbol_table::resolve): Check for references from
9441         dynamic objects to hidden and internal symbols.
9442         * testsuite/Makefile.am (hidden_test.sh): New test.
9443         * testsuite/Makefile.in: Regenerate.
9444         * testsuite/hidden_test.sh: New script.
9445         * testsuite/hidden_test_1.c: New test source.
9446         * testsuite/hidden_test_main.c: New test source.
9447
9448 2009-08-11  Doug Kwan  <dougkwan@google.com>
9449
9450         * arm.cc: Update comments.
9451         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9452         segment to locate the .ARM.exidx section if present.
9453
9454 2009-08-09  Doug Kwan  <dougkwan@google.com>
9455
9456         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9457         patch.
9458
9459 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9460         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9461         compiler warnings.
9462
9463 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9464
9465         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9466         valid tls_segment only for non-debug-section relocations.
9467         * testsuite/Makefile.am: Add gc_tls_test.
9468         * testsuite/Makefile.in: Regenerate.
9469         * testsuite/gc_tls_test.cc: New file.
9470         * testsuite/gc_tls_test.sh: New file.
9471
9472 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9473
9474         * icf.cc: New file.
9475         * icf.h: New file.
9476         * Makefile.am (CCFILES): Add icf.cc.
9477         (HFILES): Add icf.h
9478         * Makefile.in: Regenerate.
9479         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9480         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9481         section, symbol and addend information for the relocs.
9482         * gold.cc (queue_middle_tasks): Call identical code folding.
9483         * gold.h: Add defines for multimap.
9484         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9485         to the call of finalize_local_symbols.
9486         * main.cc (main): Create object of class Icf.
9487         * object.cc (Sized_relobj::do_layout): Allow this function to be
9488         called twice during icf.
9489         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9490         to sections marked as identical by icf.
9491         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9492         when available.
9493         (Sized_relobj::do_section_entsize): New function.
9494         * object.h (Object::section_entsize): New function.
9495         (Object::do_section_entsize): New pure virtual function.
9496         (Relobj::finalize_local_symbols): Add new parameter.
9497         (Relobj::do_section_entsize): New function.
9498         * options.h (General_options::icf): New option.
9499         (General_options::icf_iterations): New option.
9500         (General_options::print_icf_sections): New option.
9501         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
9502         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
9503         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
9504         icf.
9505         * symtab.cc (Symbol_table::is_section_folded): New function.
9506         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
9507         to sections marked as identical by icf.
9508         * symtab.h (Symbol_table::set_icf): New function.
9509         (Symbol_table::icf): New function.
9510         (Symbol_table::is_section_folded): New function.
9511         (Symbol_table::icf_): New data member.
9512         * target-reloc.h (relocate_section): Ignore sections folded by icf.
9513         * testsuite/Makefile.am: Add commands to build icf_test.
9514         * testsuite/Makefile.in: Regenerate.
9515         * testsuite/icf_test.sh: New file.
9516         * testsuite/icf_test.cc: New file.
9517
9518 2009-07-24  Chris Demetriou  <cgd@google.com>
9519
9520         * layout.cc (is_compressible_debug_section): Fix incorrect
9521         comment about compressed section names.
9522
9523 2009-07-20  Ian Lance Taylor  <ian@airs.com>
9524
9525         PR 10419
9526         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
9527
9528 2009-07-16  Ian Lance Taylor  <iant@google.com>
9529
9530         PR 10400
9531         * layout.h: #include <map>.
9532         (class Kept_section): Change from struct to class.  Add accessors
9533         and setters.  Add section size to Comdat_group mapping.  Change
9534         Comdat_group to std::map.  Add is_comdat_ field.  Add
9535         linkonce_size field in union.
9536         (class Layout): Update declaration of find_or_add_kept_section.
9537         Don't declare find_kept_object.
9538         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
9539         parameter.  Add object, shndx, is_comdat, and is_group_name
9540         parameters.  Change all callers.  Adjust for new Kept_section.
9541         (Layout::find_kept_object): Remove.
9542         * object.cc (Sized_relobj::include_section_group): Update use of
9543         Kept_section.  Rename secnum to shndx.  Only record
9544         Kept_comdat_section if sections are the same size.
9545         (Sized_relobj::include_linkonce_section): Update use of
9546         Kept_section.  Only record Kept_comdat_section if sections are the
9547         same size.  Set size of linkonce section.
9548         (Sized_relobj::map_to_kept_section): Update call to
9549         get_kept_comdat_section.
9550         * object.h (class Sized_relobj): Rename fields in
9551         Kept_comdat_section to drop trailing underscores; change object
9552         field to Relobj*.  Change Kept_comdat_section_table to store
9553         struct rather than pointer.
9554         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
9555         Add kept_object and kept_shndx parameters.  Change all callers.
9556         (Sized_relobj::get_kept_comdat_section): Change return type to
9557         bool.  Add kept_object and kept_shndx parameters.  Change all
9558         callers.
9559         * plugin.cc (Pluginobj::include_comdat_group): Update call to
9560         Layout::find_or_add_kept_section.
9561
9562 2009-07-09  Ian Lance Taylor  <iant@google.com>
9563
9564         * merge.cc (Object_merge_map::initialize_input_to_output_map):
9565         Reserve space in the hash table.
9566
9567 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
9568
9569         * fileread.cc (File_read::get_mtime): New method.
9570         * fileread.h (Timespec): New structure.
9571         (File_read::get_mtime): New method.
9572         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
9573         Renamed from timestamp_nsec.
9574         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
9575         Elf_Xword.
9576         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
9577         timestamp_nsec.
9578         (Incremental_inputs::report_archive): Save mtime; style fix.
9579         (Incremental_inputs::report_obejct): Save mtime; style fix.
9580         (Incremental_inputs::report_script): Save mtime; style fix.
9581         (Incremental_inputs::finalize_inputs): Style fix.
9582         (Incremental_inputs::finalize): Style fix.
9583         (Incremental_inputs::create_input_section_data): Store inputs
9584         mtime.
9585         * incremental.h (Incremental_inputs::report_script): Add mtime
9586         argument.
9587         (Incremental_inputs::Input_info::Input_info): Intialize only one
9588         union member.
9589         (Incremental_inputs::Input_info::archive): Move to nameless
9590         union.
9591         (Incremental_inputs::Input_info::obejct): Move to nameless union.
9592         (Incremental_inputs::Input_info::script): Move to nameless union.
9593         (Incremental_inputs::mtime): New field.
9594         * script.cc (read_input_script): Pass file mtime to
9595         Incremental_input.
9596         * script.h (Script_info::inputs): Style fix.
9597
9598 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9599
9600         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9601         instead of 32.
9602
9603 2009-06-24  Ian Lance Taylor  <iant@google.com>
9604
9605         PR 10156
9606         * layout.cc (Layout::choose_output_section): If we find an
9607         existing section, update the flags.
9608         (Layout::create_notes): New function, broken out of
9609         Layout::finalize.
9610         (Layout::finalize): Don't create note sections.
9611         (Layout::create_note): Don't crash if linker script discards
9612         section.
9613         (Layout::create_gold_note): Likewise.
9614         (Layout::create_build_id): Likewise.  Don't set
9615         after_input_sections on the section.
9616         (Layout::create_executable_stack_info): Remove target parameter.
9617         Change caller.
9618         * layout.h (class Layout): Declare create_notes.  Update
9619         declaration of create_executable_stack_info.
9620         * gold.cc (queue_middle_tasks): Call create_notes.
9621         * output.cc (Output_section::update_flags_for_input_section): Move
9622         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9623         invalid.
9624         * output.h (Output_data::mark_address_invalid): New function.
9625         (class Output_section): Only declare, not define,
9626         update_flags_for_input_section.  Remove set_flags.
9627
9628 2009-06-24  Ian Lance Taylor  <iant@google.com>
9629
9630         * script-sections.cc (Output_section_definition::
9631         set_section_addresses): Rename shadowing local load_address to
9632         laddr.
9633
9634 2009-06-24  Ian Lance Taylor  <iant@google.com>
9635
9636         PR 10244
9637         * reloc.cc (relocate_sections): Skip empty relocation sections.
9638
9639 2009-06-23  Ian Lance Taylor  <iant@google.com>
9640
9641         PR 10156
9642         * layout.cc (Layout::create_note): Use choose_output_section
9643         rather than make_output_section.
9644
9645 2009-06-23  Ian Lance Taylor  <iant@google.com>
9646
9647         PR 10237
9648         * options.cc (General_options::parse_V): Set printed_version_.
9649         (General_options::General_options): Initialize printed_version_.
9650         * options.h (class General_options): Add printed_version_ field.
9651         * gold.cc (queue_initial_tasks): If there are no input files,
9652         don't give a fatal error if we printed the version information.
9653         (queue_middle_tasks): If using -r with a shared object, give a
9654         fatal error rather than an ordinary error.
9655
9656 2009-06-23  Ian Lance Taylor  <iant@google.com>
9657
9658         PR 10219
9659         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9660         (Layout::make_output_section): Set have_stabstr_section_ if we see
9661         a .stab*str section.
9662         (Layout::finalize): Call link_stabs_sections.
9663         (Layout::link_stabs_sections): New file.
9664         * layout.h (class Layout): Add have_stabstr_section_ field.
9665         Declare link_stabs_sections.
9666
9667 2009-06-23  Doug Kwan  <dougkwan@google.com>
9668
9669         * Makefile.am (libgold_a_LIBADD): New.
9670         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9671         * Makefile.in: Regenerate.
9672         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9673         * configure: Regenerate.
9674         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9675         * fileread.cc: Include sys/state.h
9676         * gold.h: Declare memmem and strndup if found missing.
9677         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9678
9679 2009-06-23  Ian Lance Taylor  <iant@google.com>
9680
9681         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9682         * configure: Rebuild.
9683
9684 2009-06-23  Ian Lance Taylor  <iant@google.com>
9685
9686         PR 10147
9687         * object.cc (Object::section_contents): Don't try to get a view if
9688         the section has length zero.
9689         (Object::handle_gnu_warning_section): If the section is empty, use
9690         the name of the section as the warning.
9691
9692 2009-06-23  Ian Lance Taylor  <iant@google.com>
9693
9694         PR 10133
9695         * stringpool.h (class Stringpool_template): Add optimize_ field.
9696         (Stringpool_template::set_optimize): New function.
9697         * stringpool.cc (Stringpool_template::Stringpool_template):
9698         Initialize optimize_ field.
9699         (Stringpool_template::set_string_offsets): Test local optimize
9700         fild rather than parameter.
9701         * layout.cc (Layout::Layout): Call set_optimize on the section
9702         name stringpool.
9703
9704 2009-06-22  Ian Lance Taylor  <iant@google.com>
9705
9706         PR 10030
9707         * yyscript.y: Parse TARGET.
9708         * script.cc (script_set_target): New function.
9709         * script-c.h (script_set_target): Declare.
9710         * options.cc (General_options::string_to_object_format): Rename
9711         from string_to_object_format in anonymous namespace.  Change
9712         callers.
9713         * options.h (class General_options): Declare
9714         string_to_object_format.
9715
9716 2009-06-22  Ian Lance Taylor  <iant@google.com>
9717
9718         * script-sections.cc (Script_sections::create_segments): Don't put
9719         program headers in a PT_LOAD segment if -n or -N.
9720
9721 2009-06-22  Ian Lance Taylor  <iant@google.com>
9722
9723         PR 10141
9724         * options.h (class General_options): Add -z lazy and -z now.  Sort
9725         -z options into alphabetical order.
9726         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9727
9728 2009-06-21  Ian Lance Taylor  <iant@google.com>
9729
9730         * layout.cc (Layout::make_output_section): Call
9731         Target::new_output_section.
9732         (Layout::attach_allocated_section_to_segment): Put large section
9733         sections in a separate load segment with the large segment flag
9734         set.
9735         (Layout::segment_precedes): Sort large data segments after other
9736         load segments.
9737         (align_file_offset): New static function.
9738         (Layout::set_segment_offsets): Use align_file_offset.
9739         * output.h (class Output_section): Add is_small_section_ and
9740         is_large_section_ fields.
9741         (Output_section::is_small_section): New function.
9742         (Output_section::set_is_small_section):  New function.
9743         (Output_section::is_large_section): New function.
9744         (Output_section::set_is_large_section): New function.
9745         (Output_section::is_large_data_section): New function.
9746         (class Output_segment): Add is_large_data_segment_ field.
9747         (Output_segment::is_large_data_segment): New function.
9748         (Output_segment::set_is_large_data_segment): New function.
9749         * output.cc (Output_section::Output_section): Initialize new
9750         fields.
9751         (Output_segment::Output_segment): Likewise.
9752         (Output_segment::add_output_section): Add assertion that large
9753         data sections always go in large data segments.  Force small data
9754         sections to the end of the list of data sections.  Force small BSS
9755         sections to the start of the list of BSS sections.  For large BSS
9756         sections to the end of the list of BSS sections.
9757         * symtab.h (class Symbol): Declare is_common_shndx.
9758         (Symbol::is_defined): Check Symbol::is_common_shndx.
9759         (Symbol::is_common): Likewise.
9760         (class Symbol_table): Define enum Commons_section_type.  Update
9761         declarations.  Add small_commons_ and large_commons_ fields.
9762         * symtab.cc (Symbol::is_common_shndx): New function.
9763         (Symbol_table::Symbol_table): Initialize new fields.
9764         (Symbol_table::add_from_object): Put small and large common
9765         symbols in the right list.
9766         (Symbol_table::sized_finalized_symbol): Check
9767         Symbol::is_common_shndx.
9768         (Symbol_table::sized_write_globals): Likewise.
9769         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9770         common symbol lists.  Don't call do_allocate_commons_list if the
9771         list is empty.
9772         (Symbol_table::do_allocate_commons_list): Remove is_tls
9773         parameter.  Add comons_section_type parameter.  Change all
9774         callers.  Handle small and large common symbols.
9775         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9776         Symbol::is_common_shndx.
9777         * resolve.cc (symbol_to_bits): Likewise.
9778         * target.h (Target::small_common_shndx): New function.
9779         (Target::small_common_section_flags): New function.
9780         (Target::large_common_shndx): New function.
9781         (Target::large_common_section_flags): New function.
9782         (Target::new_output_section): New function.
9783         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9784         small_common_section_flags, and large_common_section_flags
9785         fields.
9786         (Target::do_new_output_section): New virtual function.
9787         * arm.cc (Target_arm::arm_info): Initialize new fields.
9788         * i386.cc (Target_i386::i386_info): Likewise.
9789         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9790         Likewise.
9791         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9792         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9793         (Target_x86_64::do_new_output_section): New function.
9794         * configure.ac: Define conditional MCMODEL_MEDIUM.
9795         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9796         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9797         (large_LDFLAGS): Define.
9798         * testsuite/large.c: New file.
9799         * testsuite/testfile.cc (Target_test::test_target_info):
9800         Initialize new fields.
9801         * configure, testsuite/Makefile.in: Rebuild.
9802
9803 2009-06-05  Doug Kwan  <dougkwan@google.com>
9804
9805         * Makefile.am (CCFILES): Add target.cc.
9806         * Makefile.in: Regenerate.
9807         * i386.cc (class Target_i386): Define new virtual method to
9808         override do_is_local_label_name in parent.
9809         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9810         local symbols if --discard-locals or -X is given.
9811         * options.h (class General_options): Declare new options
9812         '--discard-locals' and '-X' for discarding locals.
9813         * target.h (class Target): Define new methods is_local_label_name.
9814         Declare new virtual method do_is_local_label_name.
9815         * target.cc: New file.
9816         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9817         (check_SCRIPTS): Add discard_locals_test.sh.
9818         (check_DATA): Add discard_local_tests.syms.
9819         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9820         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9821         * testsuite/Makefile.in: Regenerate.
9822         * testsuite/discard_locals_test.c: New file.
9823         * testsuite/discard_locals_test.sh: Same.
9824
9825 2009-06-05  Doug Kwan  <dougkwan@google.com>
9826
9827         * object.cc (Sized_relobj::Sized_relobj): Initialize
9828         discarded_eh_frame_shndx_ to -1U.
9829         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9830         section.
9831         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9832         a discarded .eh_frame section.
9833         (Sized_relobj::do_finalize_local_symbols): Ditto.
9834         * object.h (class Sized_relobj): Declare new member
9835         discarded_eh_frame_shndx_.
9836         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9837         (local_labels_test.o, local_labels_test): New rules.
9838         * testsuite/Makefile.in: Regenerate.
9839
9840 2009-06-04  Doug Kwan  <dougkwan@google.com>
9841
9842         * layout.cc (Layout::section_name_mapping): Add mapping for
9843         special ARM sections.
9844
9845 2009-06-03  Doug Kwan  <dougkwan@google.com>
9846
9847         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9848         (utils::has_overflow): Same.
9849
9850 2009-06-03  Ian Lance Taylor  <iant@google.com>
9851
9852         * layout.cc (Layout::section_name_mapping): New array, replacing
9853         Layout::linkonce_mapping.
9854         (Layout::section_name_mapping_count): New variable, replacing
9855         Layout::linkonce_mapping_count.
9856         (Layout::linkonce_output_name): Remove.
9857         (Layout::output_section_name): Rewrite.
9858         * layout.h (class Layout): Rename Linkonce_mapping to
9859         Section_name_mapping, linkonce_mapping to section_name_mapping,
9860         linkonce_mapping_count to section_name_mapping_count.  Don't
9861         declare linkonce_output_name.
9862
9863 2009-06-03  Doug Kwan  <dougkwan@google.com>
9864
9865         * gold/arm.cc (namespace utils): New.
9866         (Target_arm::reloc_is_non_pic): Define new method.
9867         (class Arm_relocate_functions): New.
9868         (Target_arm::Relocate::relocate): Handle relocation types used by
9869         Android.
9870
9871 2009-06-03  Ian Lance Taylor  <iant@google.com>
9872
9873         * arm.cc (Target_arm::scan::global): Use || instead of |.
9874
9875 2009-06-02  Doug Kwan  <dougkwan@google.com>
9876
9877         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9878         issued_non_pic_error_.
9879         (class Target_arm::Scan): Declare new method check_non_pic.
9880         Define new method symbol_needs_plt_entry.
9881         Declare new data member issued_non_pic_error_.
9882         (class Target_arm::Relocate): Declare new method
9883         should_apply_static_reloc.
9884         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9885         (Target_arm::Scan::check_non_pic): Define new method.
9886         (Target_arm::Scan::local): Handle a small subset of reloc types used
9887         by Android.
9888         (Target_arm::Scan::local): Same.
9889         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9890
9891 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9892
9893         * incremental.cc (Incremental_inputs::report_command_line): Filter
9894         out --incremental-* options.
9895
9896 2009-05-29  Doug Kwan  <dougkwan@google.com>
9897
9898         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9899         template class.
9900         (class Target_arm): Update comment.
9901         (Target_arm::Target_arm): Initialize new data members GOT_,
9902         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9903         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9904         and Target_arm::rel_dyn_section.
9905         Declare new_enum Target_arm::Got_type.
9906         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9907         and DYNBSS_.
9908         Update commments for member do_dynsym_value.
9909         (Target_arm::got_size, Target_arm::plt_section,
9910         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9911         new methods inside class defintion.
9912         (Target_arm::got_section): Define new method.
9913         (Target_arm::rel_dyn_section): Same.
9914         (Output_data_plt_arm): New template class.
9915         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9916         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9917         (Output_data_plt_arm::add_entry): Same.
9918         (Output_data_plt_arm::first_plt_entry): Define new
9919         static data member for PLT instruction template.
9920         (Output_data_plt_arm::plt_entry): Same.
9921         (Output_data_plt_arm::do_write): Define new method.
9922         (Target_arm::make_plt_entry): Same.
9923         (Target_arm::do_finalize_sections): Same.
9924         (Target_arm::do_dynsym_value): Same.
9925
9926 2009-05-28  Doug Kwan  <dougkwan@google.com>
9927
9928         * Makefile.am (TARGETSOURCES): Add arm.cc.
9929         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9930         * Makefile.in: Regenerate.
9931         * arm.cc: New file.
9932         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9933
9934 2009-05-26  Doug Kwan  <dougkwan@google.com>
9935
9936         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9937         (General_options::check_excluded_libs): Strip off directories in
9938         archive name before matching like GNU ld does.
9939         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9940         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9941         (exclude_libs_test_LDFLAGS): Add linker option
9942         -Wl,--exclude-libs,libexclude_libs_test_3
9943         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9944         an explicit archive without using -l.
9945         (alt/libexclude_libs_test_3.a): New make rule.
9946         * testsuite/Makefile.in: Regenerate.
9947         * testsuite/exclude_libs_test.c : Declare lib3_default().
9948         (main): Call it.
9949         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9950         * exclude_libs_test_3.c: New file.
9951
9952 2009-05-26  Nick Clifton  <nickc@redhat.com>
9953
9954         * po/id.po: New Indonesian translation.
9955         * po/gold.pot: Updated template file.
9956
9957 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9958
9959         * testsuite/Makefile.am: Add -ffunction-sections to compile
9960         gc_comdat_test files.  Add -Wl,--gc-sections to build
9961         gc_comdat_test.
9962         * testsuite/Makefile.in: Regenerate.
9963         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9964
9965 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9966
9967         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9968         kept comdat section was garbage collected.
9969         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9970         * testsuite/Makefile.in: Regenerate.
9971         * testsuite/gc_comdat_test.sh: New file.
9972         * testsuite/gc_comdat_test_1.cc: New file.
9973         * testsuite/gc_comdat_test_2.cc: New file.
9974
9975 2009-05-19  Doug Kwan  <dougkwan@google.com>
9976
9977         * archive.cc (Archive::Archive): Move constructor from archive.h
9978         to here.  Initialize no_export_.
9979         (Archive::get_elf_object_for_member): Set no_export flag of object.
9980         * archive.h (Archive::Archive): Move constructor body to
9981         archive.cc.
9982         (Archive::no_export): New method.
9983         (Archive::no_export_): New field.
9984         * object.h (Object::Object): Initialize no_export_ to false.
9985         (Object::no_export, Object::set_no_export): New methods.
9986         (Object::no_export_): New field.
9987         * options.cc (General_options::parse_exclude_libs): New method.
9988         (General_options::check_excluded_libs) Same.
9989         * options.h (exclude_libs): New option.
9990         (General_options::check_excluded_libs): New method declaration.
9991         (General_options::excluded_libs_): New field.
9992         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9993         default or protected visibility if an object has no-export flag set.
9994         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9995         (check_SCRIPTS): Add exclude_libs_test.sh.
9996         (check_DATA): Add exclude_libs_test.syms.
9997         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9998         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9999         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10000         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10001         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10002         libexclude_libs_test_2.a): New rules.
10003         * testsuite/Makefile.in: Regenerate.
10004         * testsuite/exclude_libs_test.c: New file.
10005         * testsuite/exclude_libs_test.sh: Ditto.
10006         * testsuite/exclude_libs_test_1.c: Ditto.
10007         * testsuite/exclude_libs_test_2.c: Ditto.
10008
10009 2009-05-15  Ian Lance Taylor  <iant@google.com>
10010
10011         * configure.ac: Check for declarations for cases where libiberty.h
10012         checks HAVE_DECL_xxx.
10013         * configure, config.in: Rebuild.
10014
10015 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10016
10017         * gold.h (Incremental_argument_list): Remove (invalid) forward
10018         declaration.
10019         * incremental.cc (Incremental_inputs::report_achive): New method.
10020         (Incremental_inputs::report_object): New method.
10021         (Incremental_inputs::report_script): New method.
10022         (Incremental_inputs::finalize_inputs): New method.
10023         (Incremental_inputs::finalize): Call finalize_inputs().
10024         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10025         Create inputs entries.
10026         * incremental.h (Incremental_input_type): New enum.
10027         (Incremental_inputs::Incremental_input): Initialize new fields.
10028         (Incremental_inputs::report_inputs): New method.
10029         (Incremental_inputs::report_achive): New method.
10030         (Incremental_inputs::report_object): New method.
10031         (Incremental_inputs::report_script): New method.
10032         (Incremental_inputs::finalize_inputs): New method.
10033         (Incremental_inputs::Input_info): New struct.
10034         (Incremental_inputs::Input_info_map): New typedef.
10035         (Incremental_inputs::lock_): New field.
10036         (Incremental_inputs::Inputs_): New field.
10037         (Incremental_inputs::Inputs_map): New field.
10038         * main.cc (main): Call Incremental_input::report_inputs.
10039         * options.h (Input_argument_list): Typedef moved from
10040         Input_arguments.
10041         (Input_file_group::Files): Remove, use ::Input_argument_list.
10042         (Input_file_group::Input_argument_list): Remove, use
10043         ::Input_argument_list.
10044         * plugin.cc (Plugin_manager::add_input_file): Add error in
10045         incremental build.
10046         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10047         functions.
10048         * script.cc (read_input_script): Call
10049         Incremental_input::report_script.
10050         * script.h (Script_info): New class.
10051
10052 2009-04-27  Ian Lance Taylor  <iant@google.com>
10053
10054         * x86_64.cc (do_adjust_output_section): Set entsize to
10055         plt_entry_size.
10056
10057 2009-04-23  Elliott Hughes  <enh@google.com>
10058
10059         * output.cc (Output_file::close): After short writes, continue
10060         writing from the correct offset in the buffer being written.
10061
10062 2009-04-23  Chris Demetriou  <cgd@google.com>
10063
10064         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10065         * configure: Regenerate.
10066         * config.in: Regenerate.
10067         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10068         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10069
10070 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10071
10072         * incremental.cc (Incremental_inputs_header_data): Renamed from
10073         Incremental_input_header_data.
10074         (Incremental_inputs_header_data::data_size): New field.
10075         (Incremental_inputs_header_data::put_input_file_count): Renamed
10076         from input_file_count.
10077         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10078         from command_line_offset.
10079         (Incremental_inputs_header_data::put_reserved): Renamed from
10080         put_reserved.
10081         (Incremental_inputs_entry_data): Renamed from
10082         Incremental_input_entry_data.
10083         (Incremental_inputs_entry_data::data_size): New field.
10084         (Incremental_inputs::report_command_line): New method.
10085         (Incremental_inputs::finalize): New method.
10086         (Incremental_inputs::create_incremental_inputs_data): New method.
10087         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10088         * incremental.h: New file.
10089         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10090        (Layout::finalize): Create incremental inputs section in
10091         incremental builds.
10092        (Layout::create_incremental_info_sections): New method.
10093         * layout.h (Layout::incremental_inputs): New method.
10094        (Layout::create_incremental_info_sections): New method.
10095        (Layout::incremental_inputs_): New field.
10096         * main.cc (main): Notify Incremental_input of the command line.
10097
10098 2009-04-01  Ian Lance Taylor  <iant@google.com>
10099             Mikolaj Zalewski  <mikolajz@google.com>
10100
10101         * gold.h (reserve_unordered_map): Define, three versions, one for
10102         each version of Unordered_map.
10103         * layout.cc (Layout::Layout): Remove options parameter.  Add
10104         number_of_input_files parameter.  Don't initialize options_.
10105         Initialize number_of_input_files_ and resized_signatures_.  Move
10106         sections_are_attached_.
10107         (Layout::layout_group): Reserve space for group_signatures_.
10108         (Layout::find_or_add_kept_section): Change name parameter to be a
10109         reference.  Resize signatures_ map when it gets large enough.
10110         (Layout::layout_eh_frame): Use parameters->options() instead of
10111         this->options_.
10112         (Layout::make_output_section): Likewise.
10113         (Layout::attach_allocated_section_to_segment): Likewise.
10114         (Layout::finalize, Layout::create_executable_stack): Likewise.
10115         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10116         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10117         * layout.h (class Layout): Update declarations.  Remove options_
10118         field.  Add number_of_input_files_ and resized_signatures_
10119         fields.  Move sections_are_attached_ field.
10120         * main.cc (main): Pass number of input files to Layout
10121         constructor.  Don't pass options.
10122
10123 2009-03-30  Ian Lance Taylor  <iant@google.com>
10124
10125         * ffsll.c (ffsll): Correct implementation.
10126
10127 2009-03-27  Ian Lance Taylor  <iant@google.com>
10128
10129         * ffsll.c: New file.
10130         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10131         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10132         * ftruncate.c (ftruncate): Declare before definition.
10133         * mremap.c (mremap): Likewise.
10134         * pread.c (pread): Likewise.
10135         * configure, Makefile.in, config.in: Rebuild.
10136
10137         * mremap.c: New file.
10138         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10139         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10140         (mremap): Declare if HAVE_MREMAP is not defined.
10141         * configure, Makefile.in, config.in: Rebuild.
10142
10143 2009-03-27  Cary Coutant  <ccoutant@google.com>
10144
10145         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10146         position independent.
10147         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10148         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10149
10150 2009-03-24  Cary Coutant  <ccoutant@google.com>
10151
10152         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10153         an executable.
10154         (needs_dynamic_reloc): Likewise.
10155
10156 2009-03-24  Ian Lance Taylor  <iant@google.com>
10157
10158         * yyscript.y (file_cmd): Recognize EXTERN.
10159         (extern_name_list, extern_name_list_body): New nonterminals.
10160         * script.cc (script_add_extern): Define.
10161         * script-c.h (script_add_extern): Declare.
10162
10163 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10164
10165         * object.cc (is_elf_object): Define.
10166         * object.h (is_elf_object): Declare.
10167         * archive.cc (Archive::get_elf_object_for_member): Call
10168         is_elf_object.
10169         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10170
10171 2009-03-24  Elliott Hughes  <enh@google.com>
10172
10173         * output.cc (Output_file::map_anonymous): Define.
10174         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10175         try an anonymous one.  Report the size if the mmap fails.
10176         * output.h (class Output_file): Declare map_anonymous.
10177
10178 2009-03-24  Ian Lance Taylor  <iant@google.com>
10179
10180         * target-select.cc (instantiate_target): Don't acquire the lock if
10181         the instantiated_target_ field has already been set.
10182
10183 2009-03-23  Ian Lance Taylor  <iant@google.com>
10184
10185         * gold-threads.h (class Initialize_lock): Define.
10186         * gold-threads.cc (class Initialize_lock_once): Define.
10187         (initialize_lock_control): New static variable.
10188         (initialize_lock_pointer): New static variable.
10189         (initialize_lock_once): New static function.
10190         (Initialize_lock::Initialize_lock): Define.
10191         (Initialize_lock::initialize): Define.
10192         * target-select.h: Include "gold-threads.h".
10193         (class Target_selector): Add lock_ and initialize_lock_ fields.
10194         Don't define instantiate_target, just declare it.
10195         * target-select.cc (Target_selector::Target_selector): Initialize
10196         new fields.
10197         (Target_selector::instantiate_target): Define.
10198         * descriptors.h: Include "gold-threads.h".
10199         (class Descriptors): Add initialize_lock_ field.
10200         * descriptors.cc (Descriptors::Descriptors): Initialize new
10201         field.
10202         (Descriptors::open): Use initialize_lock_ field
10203         * errors.h (class Errors): Add initialize_lock_ field.
10204         * errors.cc (Errors::Errors): Initialize new field.
10205         (Errors::initialize_lock): Use initialize_lock_ field.
10206         * powerpc.cc (class Target_selector_powerpc): Remove
10207         instantiated_target_ field.  In do_recognize call
10208         instantiate_target rather than do_instantiate_target.  In
10209         do_instantiate_target just allocate a new target.
10210         * sparc.cc (class Target_selector_sparc): Likewise.
10211
10212         * freebsd.h: New file.
10213         * i386.cc: Include "freebsd.h".
10214         (Target_i386): Derive from Target_freebsd rather than
10215         Sized_target.
10216         (Target_selector_i386): Derive from Target_selector_freebsd rather
10217         than Target_selector.
10218         * x86_64.cc: Include "freebsd.h".
10219         (Target_x86_64): Derive from Target_freebsd rather than
10220         Sized_target.
10221         (Target_selector_x86_64): Derive from Target_selector_freebsd
10222         rather than Target_selector.
10223         * target.h (class Target): Add adjust_elf_header and
10224         do_adjust_elf_header.
10225         * output.cc (Output_file_header:: do_sized_write): Call target
10226         adjust_elf_header routine.
10227         * configure.tgt: Set targ_osabi.
10228         * configure.ac: Define GOLD_DEFAULT_OSABI.
10229         * parameters.cc (Parameters::default_target): Pass
10230         GOLD_DEFAULT_OSABI to select_target.
10231         * target-select.h (class Target_selector): Make instantiate_target
10232         protected rather than private.
10233         * Makefile.am (HFILES): Add freebsd.h.
10234         * configure, Makefile.in, config.in: Rebuild.
10235
10236         * merge.cc (do_add_input_section): Correct pend value.  Change
10237         message about last entry not being null terminated from error to
10238         warning.
10239
10240 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10241
10242         * incremental.cc: New file.
10243         * Makefile.am (CCFILES): Add incremental.cc.
10244         * Makefile.in: Rebuild.
10245
10246 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10247
10248         * layout.cc (Layout::output_section_name): Preserve names
10249         of '.note.' sections.
10250
10251 2009-03-19  Ian Lance Taylor  <iant@google.com>
10252
10253         * descriptors.cc (Descriptors::open): Check that the options are
10254         valid before using them.
10255
10256 2009-03-18  Ian Lance Taylor  <iant@google.com>
10257
10258         * script-sections.h: Include <list>.
10259         (class Script_sections): Change Sections_elements from std::vector
10260         to std::list.  Typedef public Elements_iterator.  Add
10261         orphan_section_placement_, data_segment_align_start_, and
10262         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10263         field.
10264         * script-sections.cc (class Orphan_section_placement): New class.
10265         (class Sections_element): Add virtual functions is_relro and
10266         orphan_section_init.  Remove virtual function place_orphan_here.
10267         (class Output_section_definition): Add is_relro and
10268         orphan_section_init.  Remove place_orphan_here.
10269         (class Orphan_output_section): Likewise.
10270         (Script_sections::Script_sections): Update for field changes.
10271         (Script_sections::data_segment_align): Set saw_data_segment_align_
10272         and data_segment_align_start_, not data_segment_align_index.
10273         (Script_sections::data_segment_relro_end): Check
10274         saw_data_segment_align_.  Use data_segment_align_start_ rather
10275         than data_segment_align_index_.
10276         (Script_sections::place_orphan): Rewrite to use
10277         Orphan_section_placement.
10278
10279 2009-03-17  Ian Lance Taylor  <iant@google.com>
10280
10281         * archive.cc (Archive::add_symbols): Check for a version attached
10282         to the symbol name in the archive map.
10283         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10284         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10285         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10286         (ver_test_11.a): New target.
10287         * testsuite/Makefile.in: Rebuild.
10288
10289         * configure.ac: Check for chsize and posix_fallocate.  Replace
10290         ftruncate.
10291         * ftruncate.c: New file, from gnulib.
10292         * output.cc (posix_fallocate): Define dummy version if not
10293         HAVE_POSIX_FALLOCATE.
10294         (Output_file::map): Call posix_fallocate rather than lseek and
10295         write.
10296         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10297         * configure, Makefile.in, config.in: Rebuild.
10298
10299 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10300
10301         * layout.h (Layout::create_note): Add section_name parameter.
10302         * layout.cc (Layout::create_note): Likewise.
10303         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10304
10305 2009-03-17  Ian Lance Taylor  <iant@google.com>
10306
10307         * descriptors.cc: Include "options.h".
10308         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10309         (Descriptors::open): Always use O_CLOEXEC when opening a new
10310         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10311         then set FD_CLOEXEC.
10312
10313         * sparc.cc (class Target_sparc): Add has_got_section.
10314         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10315         make sure we have a GOT section.
10316
10317         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10318         (Target_sparc::Scan::local): Likewise.
10319         (Target_sparc::Scan::global): Likewise.
10320         (Target_sparc::Relocate::relocate): Likewise.
10321         (Target_sparc::Relocate::relocate_tls): Likewise.
10322
10323         * symtab.cc (Symbol_table::define_default_version): New function,
10324         broken out of add_from_object.
10325         (Symbol_table::add_from_object): Call define_default_version.
10326         (Symbol_table::define_special_symbol): Add resolve_oldsym
10327         parameter.  Change all callers.  If the version for a symbol comes
10328         from a version script, resolve it with the symbol with the same
10329         name with no version.  Also add the symbol without a version if
10330         appropriate.
10331         (do_define_in_output_data): If resolving with oldsym, don't delete
10332         sym.
10333         (do_define_in_output_segment): Likewise.
10334         (do_define_as_constant): Likewise.
10335         * symtab.h (class Symbol_table): Update declarations.
10336
10337 2009-03-13  Ian Lance Taylor  <iant@google.com>
10338
10339         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10340         (Read_symbols::requeue): New function.
10341         (Read_symbols::do_read_symbols): If make_elf_object fails because
10342         the target type is not configured, and the file was searched for,
10343         issue a warning and retry with the next directory.
10344         (Add_symbols::run): If the file has an incompatible format, and
10345         it was searched for, requeue the Read_symbols task.  On error,
10346         release the object.
10347         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10348         dirindex parameter to constructor.  Change all callers.  Declare
10349         incompatible_warning and requeue.
10350         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10351         input_argument_ and input_group_ fields.  Add them to
10352         constructor.  Change all callers.
10353         (class Read_script): Add dirindex_ field.  Add it to constructor.
10354         Change all callers.
10355         * archive.cc (Archive::setup): Remove input_objects parameter.
10356         Change all callers.
10357         (Archive::get_file_and_offset): Likewise.
10358         (Archive::read_all_symbols): Likewise.
10359         (Archive::read_symbols): Likewise.
10360         (Archive::get_elf_object_for_member): Remove input_objects
10361         parameter.  Add punconfigured parameter.  Change all callers.
10362         (Archive::add_symbols): Change return type to bool.  Check return
10363         value of include_member.
10364         (Archive::include_all_members): Likewise.
10365         (Archive::include_member): Change return type to bool.  Return
10366         false if first included object has incompatible target.  Set
10367         included_member_ field.
10368         (Add_archive_symbols::run): If add_symbols returns false, requeue
10369         Read_symbols task.
10370         * archive.h (class Archive): Add included_member_ field.
10371         Initialize it in constructor.  Add input_file and searched_for
10372         methods.  Update declarations.
10373         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10374         input_argument_ fields.  Add them to constructor.  Change all
10375         callers.
10376         * script.cc: Include "target-select.h".
10377         (class Parser_closure): Add skip_on_incompatible_target_ and
10378         found_incompatible_target_ fields.  Add
10379         skip_on_incompatible_target parameter to constructor.  Change all
10380         callers.  Add methods skip_on_incompatible_target,
10381         clear_skip_on_incompatible_target, found_incompatible_target, and
10382         set_found_incompatible_target.
10383         (read_input_script): Add dirindex parameter.  Change all callers.
10384         If parser finds an incompatible target, requeue Read_symbols
10385         task.
10386         (script_set_symbol): Clear skip_on_incompatible_target in
10387         closure.
10388         (script_add_assertion, script_parse_option): Likewise.
10389         (script_start_sections, script_add_phdr): Likewise.
10390         (script_check_output_format): New function.
10391         * script.h (read_input_script): Update declaration.
10392         * script-c.h (script_check_output_format): Declare.
10393         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10394         (ignore_cmd): Remove OUTPUT_FORMAT.
10395         * fileread.cc (Input_file::Input_file): Add explicit this.
10396         (Input_file::will_search_for): New function.
10397         (Input_file::open): Add pindex parameter.  Change all callers.
10398         * fileread.h (class Input_file): Add input_file_argument method.
10399         Declare will_search_for.  Update declarations.
10400         * object.cc (make_elf_object): Add punconfigured parameter.
10401         Change all callers.
10402         * object.h (class Object): Make input_file public.  Add
10403         searched_for method.
10404         (make_elf_object): Update declaration.
10405         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10406         restart search.
10407         * dirsearch.h (class Dirsearch): Update declaration.
10408         * options.h (class General_options): Add --warn-search-mismatch.
10409         * parameters.cc (Parameters::is_compatible_target): New function.
10410         * parameters.h (class Parameters): Declare is_compatible_target.
10411         * workqueue.cc (Workqueue::add_blocker): New function.
10412         * workqueue.h (class Workqueue): Declare add_blocker.
10413
10414         * fileread.cc (Input_file::open): Remove options parameter.
10415         Change all callers.
10416         (Input_file::open_binary): Likewise.
10417         * script.cc (read_input_script): Likewise.
10418         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10419         options parameter from constructor.  Change all callers.
10420         (class Read_script): Likewise.
10421         * fileread.h (class Input_file): Update declarations.
10422         * script.h (read_input_script): Update declaration.
10423
10424 2009-03-10  Nick Clifton  <nickc@redhat.com>
10425
10426         * po/es.po: New Spanish translation.
10427
10428 2009-03-06  Cary Coutant  <ccoutant@google.com>
10429
10430         * options.cc (parse_short_option): Keep dash_z from registering itself.
10431
10432 2009-03-03  Ian Lance Taylor  <iant@google.com>
10433
10434         PR 9918
10435         * target-reloc.h (relocate_section): Pass output_section to
10436         relocate.
10437         * i386.cc (Target_i386::should_apply_static_reloc): Add
10438         output_section parameter.  Change all callers.
10439         (Target_i386::Relocate::relocate): Add output_section parameter.
10440         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10441         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10442         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10443         * testsuite/two_file_shared.sh: New script.
10444         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10445         (check_DATA): Add two_file_shared.dbg.
10446         (two_file_shared.dbg): New target.
10447         * testsuite/Makefile.in: Rebuild.
10448
10449 2009-03-01  Ian Lance Taylor  <iant@google.com>
10450
10451         * configure.ac: Check for byteswap.h.
10452         * configure: Rebuild.
10453         * config.in: Rebuild.
10454
10455 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10456
10457         * layout.cc (Layout::find_or_add_kept_section): New function.
10458         (Layout::add_comdat): Removed.
10459         * layout.h (struct Kept_section): Move out of class Layout.
10460         Remove trailing underscores from field names.  Add group_sections
10461         field.  Rename group_ field to is_group.  Change all uses.
10462         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10463         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10464         comdat_groups_ field.
10465         (Sized_relobj::include_section_group): Use
10466         find_or_add_kept_section and Kept_section::group_sections.
10467         (Sized_relobj::include_linkonce_section): Likewise.
10468         * object.cc (class Sized_relobj): Don't define Comdat_group or
10469         Comdat_group_table.  Remove find_comdat_group and
10470         add_comdat_group.  Remove comdat_groups_ field.
10471         * plugin.cc (include_comdat_group): Use
10472         Layout::find_or_add_kept_section.
10473
10474 2009-02-28  Ian Lance Taylor  <iant@google.com>
10475
10476         * README: --gc-sections and map files are now supported.  Document
10477         some build requirements.
10478
10479         PR 6992
10480         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10481         relocatable link set the value of the section symbol to zero.
10482         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10483         relocatable link don't include the section address in the local
10484         symbol value.
10485
10486 2009-02-27  Ian Lance Taylor  <iant@google.com>
10487
10488         PR 6811
10489         * options.h (class Search_directory): Add is_system_directory.
10490         (class General_options): Declare is_in_system_directory.
10491         * options.cc (get_relative_sysroot): Make static.
10492         (get_default_sysroot): Make static.
10493         (General_optoins::is_in_system_directory): New function.
10494         * fileread.cc (Input_file::is_in_system_directory): New function.
10495         * fileread.h (class Input_file): Declare is_in_system_directory.
10496         * object.h (class Object): Add is_in_system_directory.
10497         (class Input_objects): Remove system_library_directory_ field.
10498         * object.cc (Input_objects::add_object): Don't set
10499         system_library_directory_.
10500         (input_objects::found_in_system_library_directory): Remove.
10501         * symtab.cc (Symbol_table::write_globals): Remove input_objects
10502         parameter.  Change all callers.
10503         (Symbol_table::sized_write_globals): Likewise.
10504         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
10505         Call Object::is_in_system_directory.
10506         * symtab.h (class Symbol_table): Update declarations.
10507
10508         PR 5990
10509         * descriptors.h (Open_descriptor): Add is_on_stack field.
10510         * descriptors.cc (Descriptors::open): If the descriptor is on the
10511         top of the stack, remove it.  Initialize is_on_stack field.
10512         (Descriptors::release): Only add pod to stack if it is not on the
10513         stack already.
10514         (Descriptors::close_some_descriptor): Clear stack_next and
10515         is_on_stack fields.
10516
10517         PR 7091
10518         * output.cc (Output_section::find_starting_output_address): Rename
10519         from starting_output_address; add PADDR parameter; change return
10520         type.
10521         * output.h (class Output_section): Declare
10522         find_starting_output_address instead of starting_output_address.
10523         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
10524         section symbol for which we can't find a merge section.
10525
10526         PR 9836
10527         * symtab.cc (Symbol_table::add_from_object): If the visibility is
10528         hidden or internal, force the symbol to be local.
10529         * resolve.cc (Symbol::override_visibility): Define.
10530         (Symbol::override_base): Use override_visibility.
10531         (Symbol_table::resolve): Likewise.
10532         (Symbol::override_base_with_special): Likewise.
10533         (Symbol_table::override_with_special): If the visibility is hidden
10534         or internal, force the symbol to be local.
10535         * symtab.h (class Symbol): Add set_visibility and
10536         override_visibility.
10537         * testsuite/ver_test_1.sh: New file.
10538         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
10539         (check_DATA): Add ver_test_1.syms.
10540         (ver_test_1.syms): New target.
10541         * testsuite/Makefile.in: Rebuild.
10542
10543 2009-02-25  Cary Coutant  <ccoutant@google.com>
10544
10545         * layout.cc (Layout::choose_output_section): Don't rename sections
10546         when using a linker script that has a SECTIONS clause.
10547         * Makefile.in: Regenerate.
10548
10549         * testsuite/Makefile.am (script_test_5.sh): New test case.
10550         * testsuite/Makefile.in: Regenerate.
10551         * testsuite/script_test_5.cc: New file.
10552         * testsuite/script_test_5.sh: New file.
10553         * testsuite/script_test_5.t: New file.
10554
10555 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
10556
10557         * archive.cc (Archive::include_member): Update calls to add_symbols.
10558         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
10559         the Layout argument.
10560         * dynobj.h (do_add_symbols): Add the Layout argument.
10561         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
10562         Layout argument.
10563         * object.h (Object::add_symbols): Add the Layout argument.
10564         (Object::do_add_symbols): Add the Layout argument.
10565         (Sized_relobj::do_add_symbols): Add the Layout argument.
10566         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
10567         Unify the two versions.
10568         (Add_plugin_symbols): Remove.
10569         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
10570         (Sized_pluginobj::do_add_symbols): Unify the two versions.
10571         (Add_plugin_symbols): Remove.
10572         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
10573         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
10574         (Add_symbols::run): Make it work with Pulginobj.
10575
10576 2009-02-06  Ian Lance Taylor  <iant@google.com>
10577
10578         * object.cc (Sized_relobj::do_layout): Make info message start
10579         with lower case letter.
10580
10581 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
10582
10583         * binary.cc: Fix file comment.
10584
10585         * options.h (enum Incremental_disposition): Define.
10586         (class General_options): Add new options: --incremental,
10587         --incremental_changed, --incremental_unchanged,
10588         --incremental_unknown.  Add incremental_disposition_ and
10589         implicit_incremental_ fields.
10590         (General_options::incremental_disposition): New function.
10591         (class Position_dependent_options): Add incremental_disposition
10592         option.
10593         (Position_dependent_options::copy_from_options): Set incremental
10594         dispositions.
10595         * options.cc (General_options::parse_incremental_changed): New
10596         function.
10597         (General_options::parse_incremental_unchanged): New function.
10598         (General_options::parse_incremental_unknown): New function.
10599         (General_options::General_options): Initialize new fields
10600         incremental_disposition_ and implicit_incremental_.
10601         (General_options::finalize): Check for uasge of --incremental-*
10602         without --incremental.
10603
10604 2009-02-06  Chris Demetriou  <cgd@google.com>
10605
10606         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10607         pointer and to report location as the file name associated with
10608         the symbol.
10609         (gold_undefined_symbol_at_location): New function to replace the
10610         old gold_undefined_symbol functionality.
10611         * target-reloc.h (relocate_section): Update to use
10612         gold_undefined_symbol_at_location.
10613         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10614         Call gold_undefined_symbol function rather than gold_error.
10615         * errors.h (Errors::undefined_symbol): Take location as a
10616         string, rather than calculating it from a relocation.
10617         * errors.cc (Errors::fatal): Print "fatal error:" before the
10618         formatted message.
10619         (Errors::error, Errors::error_at_location): Print "error: "
10620         before the formatted message.
10621         (Errors::undefined_symbol): Take location as a string, rather
10622         than calculating it from a relocation.
10623         (gold_undefined_symbol_at_location): New function akin to
10624         old gold_undefined_symbol, calculates location from relocation.
10625         (gold_undefined_symbol): Change to take only a Symbol pointer
10626         and to report location as the file name associated with the symbol.
10627         * testsuite/debug_msg.sh: Update for changed error messages.
10628         * testsuite/undef_symbol.sh: Likewise.
10629
10630 2009-02-04  Duncan Sands  <baldrick@free.fr>
10631
10632         PR 9812
10633         * reduced_debug_output.h
10634         (Output_reduced_debug_abbrev_section::failed): Use format for
10635         gold_warning.
10636         (Output_reduced_debug_info_section::faild): Likewise.
10637
10638 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10639
10640         * script.cc (Lazy_demangler): New class.
10641         (Version_script_info::get_symbol_version_helper): Demangle a
10642         symbol only once.
10643
10644 2009-01-29  Cary Coutant  <ccoutant@google.com>
10645
10646         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10647         to __tls_get_addr.
10648         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10649
10650 2009-01-28  Ian Lance Taylor  <iant@google.com>
10651
10652         * version.cc (version_string): Bump to 1.9.
10653
10654         * gold.h: Include <cstring> and <stdint.h>.
10655         * version.cc: Include <cstdio>.
10656         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10657         warning.
10658         * reduced_debug_output.cc (insert_into_vector): Rename from
10659         Insert_into_vector; change all callers.  Use Swap_unaligned to
10660         avoid aliasing issue; remove union since it is unnecessary.
10661
10662 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10663
10664         * Makefile.am (CCFILES): Add gc.cc.
10665         (HFILES): Add gc.h.
10666         * Makefile.in: Regenerate.
10667         * gold.cc (Gc_runner): New class.
10668         (queue_initial_tasks): Call garbage collection related tasks
10669         when corresponding options are invoked.
10670         (queue_middle_gc_tasks): New function.
10671         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10672         processed early before laying out sections during garbage collection.
10673         * gold.h (queue_middle_gc_tasks): New function.
10674         (is_prefix_of): Move from "layout.cc".
10675         * i386.cc (Target_i386::gc_process_relocs): New function.
10676         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10677         * main.cc (main): Create object of class "Garbage_collection".
10678         * object.cc (Relobj::copy_symbols_data): New function.
10679         (Relobj::is_section_name_included): New function.
10680         (Sized_relobj::do_layout): Allow this function to be called twice
10681         during garbage collection and defer layout of section during the
10682         first call.
10683         * object.h (Relobj::get_symbols_data): New function.
10684         (Relobj::is_section_name_included): New function.
10685         (Relobj::copy_symbols_data): New function.
10686         (Relobj::set_symbols_data): New function.
10687         (Relobj::get_relocs_data): New function.
10688         (Relobj::set_relocs_data): New function.
10689         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10690         (Relobj::gc_process_relocs): New function.
10691         (Relobj::do_gc_process_relocs): New pure virtual function.
10692         (Relobj::sd_): New data member.
10693         (Sized_relobj::is_output_section_offset_invalid): New function.
10694         (Sized_relobj::do_gc_process_relocs): New function.
10695         * options.h (General_options::gc_sections): Modify to not be a no-op.
10696         (General_options::print_gc_sections): New option.
10697         * plugin.cc (Plugin_finish::run): Remove function call to
10698         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10699         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10700         * reloc.cc (Read_relocs::run): Add task to process relocs and
10701         determine unreferenced sections when doing garbage collection.
10702         (Gc_process_relocs): New class.
10703         (Sized_relobj::do_gc_process_relocs): New function.
10704         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10705         sections that are garbage collected.
10706         * reloc.h (Gc_process_relocs): New class.
10707         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10708         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10709         symbols whose corresponding sections are garbage collected.
10710         (Symbol_table::Symbol_table): Add new parameter for the garbage
10711         collection object.
10712         (Symbol_table::gc_mark_undef_symbols): New function.
10713         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10714         (Symbol_table::gc_mark_dyn_syms): New function.
10715         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10716         as garbage.
10717         (Symbol_table::add_from_object): Likewise.
10718         (Symbol_table::add_from_relobj): When building shared objects, do not
10719         treat externally visible symbols as garbage.
10720         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10721         table information for static and relocatable links.
10722         * symtab.h (Symbol_table::set_gc): New function.
10723         (Symbol_table::gc): New function.
10724         (Symbol_table::gc_mark_undef_symbols): New function.
10725         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10726         (Symbol_table::gc_mark_dyn_syms): New function.
10727         (Symbol_table::gc_): New data member.
10728         * target.h (Sized_target::gc_process_relocs): New pure virtual
10729         function.
10730         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10731         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10732
10733 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10734
10735         * options.h (General_options::gc_sections): Define as a no-op for now.
10736         (General_options::no_keep_memory): Ditto.
10737         (General_options::Bshareable): Define.
10738         * options.cc (General_options::finalize): Honor -Bshareable.
10739
10740 2009-01-20  Andreas Schwab  <schwab@suse.de>
10741
10742         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10743         read the value in the contents, since we don't use it.  Use the
10744         template endianness when writing.
10745         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10746
10747 2009-01-19  Andreas Schwab  <schwab@suse.de>
10748
10749         * configure.tgt (powerpc64-*): Fix targ_obj.
10750
10751 2009-01-15  Ian Lance Taylor  <iant@google.com>
10752
10753         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10754         local symbols when stripping all symbols.
10755
10756 2009-01-14  Cary Coutant  <ccoutant@google.com>
10757
10758         * output.cc (Output_reloc): Add explicit instantiations.
10759
10760 2009-01-14  Cary Coutant  <ccoutant@google.com>
10761
10762         * archive.cc (Archive::get_elf_object_for_member): Remove call
10763         to File_read::claim_for_plugin.
10764         * descriptors.cc (Descriptors::open): Remove reference to
10765         is_claimed.
10766         (Descriptors::claim_for_plugin): Remove.
10767         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10768         (Descriptors::is_claimed): Remove.
10769         (claim_descriptor_for_plugin): Remove.
10770         * fileread.cc (File_read::claim_for_plugin): Remove.
10771         * fileread.h (File_read::claim_for_plugin): Remove.
10772         (File_read::descriptor): Reopen descriptor if necessary.
10773         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10774         (Plugin_manager::all_symbols_read): Add task parameter. Change
10775         all callers.
10776         (Plugin_manager::get_input_file): New function.
10777         (Plugin_manager::release_input_file): New function.
10778         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10779         corresponding data member.
10780         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10781         and pass to base constructor. Change all callers.
10782         (get_input_file, release_input_file): New functions.
10783         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10784         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10785         (Plugin_manager::all_symbols_read): Add task parameter.
10786         (Plugin_manager::get_input_file): New function.
10787         (Plugin_manager::release_input_file): New function.
10788         (Plugin_manager::task_): New data member.
10789         (Pluginobj::Pluginobj): Add filesize parameter.
10790         (Pluginobj::filename): New function.
10791         (Pluginobj::descriptor): New function.
10792         (Pluginobj::filesize): New function.
10793         (Pluginobj::filesize_): New data member.
10794         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10795         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10796         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10797
10798         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10799         with archive libraries.
10800         * testsuite/Makefile.in: Regenerate.
10801         * testsuite/plugin_test.c (struct sym_info): New type.
10802         (get_input_file, release_input_file): New static variables.
10803         (onload): Capture new transfer vector entries.
10804         (claim_file_hook): Stop reading at end of file according to filesize.
10805         Factor out parsing of readelf output into separate function.
10806         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10807         APIs and get the source file name from the symbol table.  Convert
10808         source file name to corresponding object file name.  Print info
10809         message when adding new input files.
10810         (parse_readelf_line): New function.
10811         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10812         * testsuite/plugin_test_2.sh: Likewise.
10813         * testsuite/plugin_test_3.sh: Likewise.
10814         * testsuite/plugin_test_4.sh: New test case.
10815
10816 2009-01-07  Ian Lance Taylor  <iant@google.com>
10817
10818         * version.cc (version_string): Bump to 1.8.
10819
10820 2008-12-23  Cary Coutant  <ccoutant@google.com>
10821
10822         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10823         * plugin.cc (Plugin_manager::finish): Rename as
10824         layout_deferred_objects.  Move cleanup to separate function.
10825         (Plugin_manager::cleanup): New function.
10826         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10827         separately.
10828         * plugin.h (Plugin_manager::finish): Rename as
10829         layout_deferred_objects.
10830         (Plugin_manager::cleanup): New function.
10831         (Plugin_manager::cleanup_done): New field.
10832
10833 2008-12-23  Cary Coutant  <ccoutant@google.com>
10834
10835         * plugin.cc (is_visible_from_outside): New function.
10836         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10837         so we don't return "IR only" status for exported symbols or -r links.
10838
10839         * testsuite/Makefile.am (plugin_test_3): New test case.
10840         * testsuite/Makefile.in: Regenerate.
10841         * testsuite/plugin_test_3.sh: New file.
10842
10843 2008-12-22  Cary Coutant  <ccoutant@google.com>
10844
10845         * object.cc (Sized_relobj::layout_section): New function.
10846         (Sized_relobj::do_layout): Defer layout of input sections until after
10847         plugin has provided replacement files.
10848         (Sized_relobj::do_layout_deferred_sections): New function.
10849         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10850         (Relobj::layout_deferred_sections): New function.
10851         (Relobj::do_layout_deferred_sections): New function.
10852         (Sized_relobj::do_layout_deferred_sections): New function.
10853         (Sized_relobj::layout_section): New function.
10854         (Sized_relobj::Deferred_layout): New structure.
10855         (Sized_relobj::deferred_layout_): New field.
10856         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10857         Change all callers.  Layout deferred sections.
10858         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10859         references.
10860         (Plugin_hook::run): Move code from do_plugin_hook inline.
10861         (Plugin_hook::do_plugin_hook): Remove.
10862         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10863         (Plugin_manager::finish): Renamed, was cleanup.
10864         (Plugin_manager::should_defer_layout): New function.
10865         (Plugin_manager::add_deferred_layout_object): New function.
10866         (Plugin_manager::Deferred_layout_list): New type.
10867         (Plugin_manager::deferred_layout_objects_): New field.
10868         (Plugin_hook::do_plugin_hook): Remove.
10869
10870 2008-12-17  Ian Lance Taylor  <iant@google.com>
10871
10872         * options.h (class General_options): Add --no case for
10873         --export-dynamic.
10874
10875 2008-12-16  Cary Coutant  <ccoutant@google.com>
10876
10877         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10878         vector.
10879         (Plugin_manager::claim_file): Create plugin object even if
10880         plugin did not call the add_symbols callback.
10881         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10882         asking for more symbols than were added.
10883         * testsuite/Makefile.am (plugin_test_1): Add test case with
10884         no global symbols.
10885         (empty.syms): New target.
10886         * testsuite/Makefile.in: Regenerate.
10887         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10888         message. Don't call add_symbols if no globals.
10889         (all_symbols_read_hook): Don't provide replacement for empty
10890         claimed file.
10891
10892 2008-12-12  Ian Lance Taylor  <iant@google.com>
10893
10894         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10895         r_type == 0 for a local symbol with r_sym == 0.
10896         (scan_relocatable_relocs): Pass r_sym to
10897         local_non_section_strategy.
10898         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10899         r_sym parameter.
10900
10901         * configure.ac: Update test for TLS descriptors: they are
10902         supported as of glibc 2.9.
10903         * configure: Rebuild.
10904
10905 2008-12-11  Ian Lance Taylor  <iant@google.com>
10906
10907         PR 7091
10908         * target-reloc.h (Default_scan_relocatable_relocs): For each
10909         function, map r_type == 0 to RELOC_DISCARD.
10910
10911 2008-12-10  Cary Coutant  <ccoutant@google.com>
10912
10913         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10914         object to override a kept COMDAT group from a plugin object.
10915
10916 2008-12-09  Ian Lance Taylor  <iant@google.com>
10917
10918         PR 7088
10919         * yyscript.y (file_cmd): Handle INPUT.
10920
10921         * testsuite/initpri1.c: Change all declarations to be full
10922         prototypes by adding void, to avoid compiler warnings.
10923
10924 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10925
10926         * options.cc (General_options::parse_plugin_opt): New.
10927         (General_options::add_plugin): The argument now is just the filename.
10928         (General_options::add_plugin_option): New.
10929         * options.h (plugin_opt): New.
10930         (add_plugin): Change argument name.
10931         (add_plugin_option): New.
10932         * plugin.cc (Plugin::load): Don't parse the plugin option.
10933         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10934         (Plugin::add_option): New.
10935         (Plugin::args_): Change type.
10936         (Plugin::filename_): New.
10937         (Plugin_manager::add_plugin_option): New.
10938         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10939         * testsuite/Makefile.in: Regenerate.
10940
10941 2008-12-05  Cary Coutant  <ccoutant@google.com>
10942
10943         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10944         Handle --strip-lto-sections option.
10945         * options.h (strip_lto_sections): New option.
10946
10947 2008-12-01  Cary Coutant  <ccoutant@google.com>
10948
10949         * plugin.cc (ld_plugin_message): Change format parameter to const.
10950         Fix mismatch between new[] and delete.
10951
10952 2008-11-14  Cary Coutant  <ccoutant@google.com>
10953
10954         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10955         instead of -1U.
10956
10957 2008-11-05  Craig Silverstein  <csilvers@google.com>
10958
10959         * options.cc (General_options::parse_dynamic_list): New function.
10960         * options.h (General_options): New flags dynamic_list,
10961         dynamic_list_data, dynamic_list_cpp_new, and
10962         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10963         (General_options::in_dynamic_list): New function.
10964         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10965         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10966         (Lex::can_continue_name): Likewise.
10967         (yylex): Likewise.
10968         (read_script_file): New parameter script_options.
10969         (read_dynamic_list): New function.
10970         (Script_options::define_dynamic_list): New function.
10971         (dynamic_list_keyword_parsecodes): New variable.
10972         (dynamic_list_keywords): New variable.
10973         * script.h (Script_options::define_dynamic_list): New function
10974         prototype.
10975         (read_dynamic_list): New function prototype.
10976         * symtab.cc (strprefix): New macro.
10977         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10978         dynamic_list_data, dynamic_list_cpp_new, and
10979         dynamic_list_cpp_typeinfo.
10980         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10981         (dynamic_list_expr): New rule.
10982         (dynamic_list_nodes): Likewise.
10983         (dynamic_list_node): Likewise.
10984         * testsuite/Makefile.am (dynamic_list): New test.
10985         * testsuite/Makefile.in: Regenerated.
10986         * testsuite/dynamic_list.t: New file.
10987         * testsuite/dynamic_list.sh: New file.
10988
10989 2008-11-05  Craig Silverstein  <csilvers@google.com>
10990
10991         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10992         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10993         (t11_last): Likewise.
10994         * testsuite/ver_test_6.c (main): Likewise.
10995
10996 2008-10-07  Cary Coutant  <ccoutant@google.com>
10997
10998         * options.c (General_options::finalize): Add check for -static and
10999         -shared.
11000         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11001         is not empty.
11002
11003 2008-10-02  Cary Coutant  <ccoutant@google.com>
11004
11005         * plugin.cc (make_sized_plugin_object): Fix conditional
11006         compilation to work when not all targets are enabled.
11007
11008 2008-09-29  Cary Coutant  <ccoutant@google.com>
11009
11010         * archive.cc (Archive::get_file_and_offset): Use filename instead
11011         of name to get library path.
11012         (Archive::include_member): Unlock external member of a thin archive.
11013
11014         * testsuite/Makefile.am (TEST_AR): New variable.
11015         (thin_archive_test_1): New test.
11016         (thin_archive_test_2): New test.
11017         * testsuite/Makefile.in: Regenerate.
11018         * testsuite/thin_archive_main.cc: New file.
11019         * testsuite/thin_archive_test_1.cc: New file.
11020         * testsuite/thin_archive_test_2.cc: New file.
11021         * testsuite/thin_archive_test_3.cc: New file.
11022         * testsuite/thin_archive_test_4.cc: New file.
11023
11024 2008-09-29  Cary Coutant  <ccoutant@google.com>
11025
11026         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11027         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11028         instead of -1U.
11029         (Sized_relobj::do_finalize_local_symbols): Likewise.
11030         (Sized_relobj::map_to_kept_section): Likewise.
11031         * object.h (Sized_relobj::invalid_address): New constant.
11032         (Sized_relobj::do_output_section_offset): Check for invalid_address
11033         and return -1ULL.
11034         * output.cc (Output_reloc::local_section_offset): Use constant
11035         invalid_address instead of -1U.
11036         (Output_reloc::get_address): Likewise.
11037         (Output_section::output_address): Change -1U to -1ULL.
11038         * output.h (Output_reloc::invalid_address): New constant.
11039         * reloc.cc (Sized_relobj::write_sections): Use constant
11040         invalid_address instead of -1U.
11041         (Sized_relobj::relocate_sections): Likewise.
11042         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11043         values for merge sections.
11044         * target-reloc.h (relocate_for_relocatable): Use constant
11045         invalid_address instead of -1U.
11046
11047 2008-09-19  Cary Coutant  <ccoutant@google.com>
11048
11049         Add plugin functionality for link-time optimization (LTO).
11050         * configure.ac (plugins): Add --enable-plugins option.
11051         * configure: Regenerate.
11052         * config.in: Regenerate.
11053         * Makefile.am (LIBDL): New variable.
11054         (CCFILES): Add plugin.cc.
11055         (HFILES): Add plugin.h.
11056         (ldadd_var): Add LIBDL.
11057         * Makefile.in: Regenerate.
11058
11059         * archive.cc: Include "plugin.h".
11060         (Archive::setup): Don't preread archive symbols when using a plugin.
11061         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11062         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11063         files.
11064         (Archive::include_member): Add symbols from plugin objects.
11065         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11066         * descriptors.cc (Descriptors::open): Check for file descriptors
11067         abandoned by plugins.
11068         (Descriptors::claim_for_plugin): New function.
11069         * descriptors.h (Descriptors::claim_for_plugin): New function.
11070         (Open_descriptor::is_claimed): New field.
11071         (claim_descriptor_for_plugin): New function.
11072         * fileread.cc (File_read::claim_for_plugin): New function.
11073         * fileread.h (File_read::claim_for_plugin): New function.
11074         (File_read::descriptor): New function.
11075         * gold.cc: Include "plugin.h".
11076         (queue_initial_tasks): Add task to call plugin hooks for generating
11077         new object files.
11078         * main.cc: Include "plugin.h".
11079         (main): Load plugin libraries.
11080         * object.h (Pluginobj): Declare.
11081         (Object::pluginobj): New function.
11082         (Object::do_pluginobj): New function.
11083         (Object::set_target): New function.
11084         * options.cc: Include "plugin.h".
11085         (General_options::parse_plugin): New function.
11086         (General_options::General_options): Initialize plugins_ field.
11087         (General_options::add_plugin): New function.
11088         * options.h (Plugin_manager): Declare.
11089         (General_options): Add --plugin option.
11090         (General_options::has_plugins): New function.
11091         (General_options::plugins): New function.
11092         (General_options::add_plugin): New function.
11093         (General_options::plugins_): New field.
11094         * plugin.cc: New file.
11095         * plugin.h: New file.
11096         * readsyms.cc: Include "plugin.h".
11097         (Read_symbols::do_read_symbols): Check for archive before checking
11098         for ELF file.  Call plugin hooks to claim files.
11099         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11100         from a real object file; force override when processing replacement
11101         files.
11102         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11103         (Symbol::init_base_object): Likewise.
11104         (Symbol::init_base_output_data): Likewise.
11105         (Symbol::init_base_output_segment): Likewise.
11106         (Symbol::init_base_constant): Likewise.
11107         (Symbol::init_base_undefined): Likewise.
11108         (Symbol::output_section): Assert that object is not a plugin.
11109         (Symbol_table::add_from_pluginobj): New function.
11110         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11111         undefined.
11112         (Symbol_table::sized_write_globals): Likewise.
11113         (Symbol_table::add_from_pluginobj): Instantiate template.
11114         * symtab.h (Sized_pluginobj): Declare.
11115         (Symbol::in_real_elf): New function.
11116         (Symbol::set_in_real_elf): New function.
11117         (Symbol::in_real_elf_): New field.
11118         (Symbol_table::add_from_pluginobj): New function.
11119
11120         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11121         (LIBDL): New variable.
11122         (LDADD): Add LIBDL.
11123         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11124         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11125         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11126         (MOSTLYCLEANFILES): Likewise.
11127         * testsuite/Makefile.in: Regenerate.
11128         * testsuite/plugin_test.c: New file.
11129         * testsuite/plugin_test_1.sh: New file.
11130         * testsuite/plugin_test_2.sh: New file.
11131
11132 2008-09-16  Ian Lance Taylor  <iant@google.com>
11133
11134         * target-reloc.h (relocate_section): Check whether a symbol is
11135         defined by the ABI before reporting an undefined symbol error.
11136         * target.h (Target::is_defined_by_abi): Make parameter const.
11137         (Target::do_is_defined_by_abi): Likewise.
11138         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11139         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11140         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11141         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11142         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11143         * testsuite/Makefile.in: Rebuild.
11144
11145         * fileread.cc (make_view): Add casts to avoid warning.
11146
11147 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11148
11149         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11150         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11151
11152 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11153
11154         * options.h (General_options::output_is_executable): New.
11155         (General_options::output_is_pie): New.
11156         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11157         for shared libraries.
11158         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11159
11160 2008-09-11  Chris Demetriou  <cgd@google.com>
11161
11162         * options.h (origin): New -z option.
11163         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11164         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11165         in DT_FLAGS_1.
11166
11167 2008-09-05  Cary Coutant  <ccoutant@google.com>
11168
11169         * fileread.cc (File_read::make_view): Add check for attempt to map
11170         beyond end of file.
11171
11172 2008-09-05  Cary Coutant  <ccoutant@google.com>
11173
11174         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11175         explicit instantiations.
11176
11177 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11178
11179         PR gold/6858
11180         * options.cc (General_options::finalize): Allow undefined symbols
11181         in shlibs if linking -shared.
11182
11183         PR gold/6859
11184         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11185         symbols as not needing a dynsym entry.
11186
11187 2008-08-20  Craig Silverstein  <csilvers@google.com>
11188
11189         * fileread.cc (File_read::open): Do not lock the file unless it
11190         was successfully opened.
11191
11192 2008-08-14  Cary Coutant  <ccoutant@google.com>
11193
11194         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11195         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11196         * testsuite/tls_test.cc (struct int128): 128-bit struct
11197         for testing TLS relocs with non-zero addend.
11198         (v12): New TLS variable.
11199         (t12): New test.
11200         (t_last): Add check for v12.
11201         * testsuite/tls_test.h (t12): New function.
11202         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11203
11204 2008-08-13  Ian Lance Taylor  <iant@google.com>
11205
11206         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11207         set tls_segment_ or relro_segment_.
11208         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11209         when appropriate.
11210         * output.h (Output_section::clear_is_relro): New function.
11211         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11212         sections specially even when output_data_ is empty.
11213         (Output_segment::maximum_alignment): When first section is relro,
11214         only force alignment for PT_LOAD segments.
11215         * script.cc (script_data_segment_align): New function.
11216         (script_data_segment_relro_end): New function.
11217         * script-c.h (script_data_segment_align): Declare.
11218         (script_data_segment_relro_end): Declare.
11219         * script-sections.h (class Script_sections): Declare
11220         data_segment_align and data_segment_relro_end.  Add fields
11221         segment_align_index_ and saw_relro_end_.
11222         * script-sections.cc (class Sections_element): Add set_is_relro
11223         virtual function.  Add new bool* parameter to place_orphan_here.
11224         Add get_output_section virtual function.
11225         (class Output_section_definition): Add set_is_relro.  Add new
11226         bool* parameter to place_orphan_here.  Add get_output_section.
11227         Add is_relro_ field.
11228         (Output_section_definition::Output_section_definition): Initialize
11229         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11230         and is_relro_ fields.
11231         (Output_section_definition::place_orphan_here): Add is_relro
11232         parameter.
11233         (Output_section_definition::set_section_addresses): Set relro for
11234         output section.
11235         (Output_section_definition::alternate_constraint): Likewise.
11236         (class Orphan_output_section): Add new bool* parameter to
11237         place_orphan_here.  Add get_output_section.
11238         (Orphan_output_section::place_orphan_here): Add is_relro
11239         parameter.
11240         (Script_sections::Script_sections): Initialize
11241         data_segment_align_index_ and saw_relro_end_.
11242         (Script_sections::data_segment_align): New function.
11243         (Script_sections::data_segment_relro_end): New function.
11244         (Script_sections::place_orphan): Set or clear is_relro.
11245         (Script_sections::set_section_addresses): Force alignment of first
11246         TLS section.
11247         * yyscript.y (exp): Call script_data_segment_align and
11248         script_data_segment_relro_end.
11249         * testsuite/relro_script_test.t: New file.
11250         * testsuite/relro_test.cc (using_script): Declare.
11251         (t1, t2): Test using_script.
11252         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11253         (relro_script_test_SOURCES): Define.
11254         (relro_script_test_DEPENDENCIES): Define.
11255         (relro_script_test_LDFLAGS): Define.
11256         (relro_script_test_LDADD): Define.
11257         (relro_script_test.so): New target.
11258         * testsuite/Makefile.in: Rebuild.
11259
11260 2008-08-06  Cary Coutant <ccoutant@google.com>
11261
11262         * archive.cc (Archive::total_archives, Archive::total_members)
11263         (Archive::total_members_loaded): New variables.
11264         (Archive::setup): Add parameter.  Add option to preread
11265         archive symbols.
11266         (Archive::read_armap): Add counter.
11267         (Archive::get_file_and_offset): New function.
11268         (Archive::get_elf_object_for_member): New function.
11269         (Archive::read_all_symbols): New function.
11270         (Archive::read_symbols): New function.
11271         (Archive::add_symbols): Add counters.
11272         (Archive::include_all_members): Use armap to find members if it's
11273         already built.
11274         (Archive::include_member): Skip reading symbols if already read.
11275         Factored code into Archive::get_file_and_offset and
11276         Archive::get_elf_object_for_member.  Changed call to
11277         Mapfile::report_include_archive_member.
11278         (Archive::print_stats): New function.
11279         * archive.h: Declare Object and Read_symbols_data classes.
11280         (Archive::Archive): Add initializers for new members.
11281         (Archive::setup): Add parameter.
11282         (Archive::print_stats): New function.
11283         (Archive::total_archives, Archive::total_members)
11284         (Archive::total_members_loaded): New variables.
11285         (Archive::get_file_and_offset): New function.
11286         (Archive::get_elf_object_for_member): New function.
11287         (Archive::read_all_symbols): New function.
11288         (Archive::read_symbols): New function.
11289         (Archive::Archive_member): New class.
11290         (Archive::members_): New member.
11291         (Archive::num_members_): New member.
11292         * main.cc: Include archive.h.
11293         (main): Call Archive::print_stats.
11294         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11295         archive parameter; member_name is now the fully-decorated name.
11296         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11297         * options.h: (General_options): Add --preread-archive-symbols option.
11298         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11299         Archive::setup.
11300
11301 2008-08-04  Ian Lance Taylor  <iant@google.com>
11302
11303         * symtab.h (Symbol::use_plt_offset): New function.
11304         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11305         * powerpc.cc (Relocate::relocate): Likewise.
11306         * sparc.cc (Relocate::relocate): Likewise.
11307         * x86_64.cc (Relocate::relocate): Likewise.
11308         * testsuite/weak_plt.sh: New test.
11309         * testsuite/weak_plt_main.cc: New test.
11310         * testsuite/weak_plt_shared.cc: New test.
11311         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11312         (check_PROGRAMS): Add weak_plt.
11313         (check_DATA): Add weak_plt_shared.so.
11314         (weak_plt_main_pic.o, weak_plt): New targets.
11315         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11316         * testsuite/Makefile.in: Rebuild.
11317
11318         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11319         gcctestdir/ld.
11320         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11321         * testsuite/Makefile.in: Rebuild.
11322
11323 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11324
11325         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11326         * Makefile.in: Regenerate.
11327         * po/POTFILES.in: Regenerate.
11328
11329 2008-07-29  Ian Lance Taylor  <iant@google.com>
11330
11331         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11332         symbols before other symbols.
11333         * testsuite/script_test_2.cc (test_addr): Declare.
11334         (test_addr_alias): Declare.
11335         (main): Check that test_addr and test_addr_alias have the right
11336         values.
11337         * testsuite/script_test_2.t: Define test_addr_alias and
11338         test_addr.
11339
11340 2008-07-24  Ian Lance Taylor  <iant@google.com>
11341
11342         PR 5990
11343         * descriptors.cc: New file.
11344         * descriptors.h: New file.
11345         * gold-threads.h (class Hold_optional_lock): New class.
11346         * fileread.cc: Include "descriptors.h".
11347         (File_read::~File_read): Release descriptor rather than closing
11348         it.
11349         (File_read::open) [file]: Call open_descriptor rather than open.
11350         Set is_descriptor_opened_.
11351         (File_read::open) [memory]: Assert that descriptor is not open.
11352         (File_read::reopen_descriptor): New function.
11353         (File_read::release): Release descriptor.
11354         (File_read::do_read): Make non-const.  Reopen descriptor.
11355         (File_read::read): Make non-const.
11356         (File_read::make_view): Reopen descriptor.
11357         (File_read::do_readv): Likewise.
11358         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11359         Update declarations.
11360         * layout.cc: Include "descriptors.h".
11361         (Layout::create_build_id): Use open_descriptor rather than open.
11362         * output.cc: Include "descriptors.h".
11363         (Output_file::open): Use open_descriptor rather than open.
11364         * archive.cc (Archive::const_iterator): Change Archive to be
11365         non-const.
11366         (Archive::begin, Archive::end): Make non-const.
11367         (Archive::count_members): Likewise.
11368         * archive.h (class Archive): Update declarations.
11369         * object.h (Object::read): Make non-const.
11370         * Makefile.am (CCFILES): Add descriptors.cc.
11371         (HFILES): Add descriptors.h.
11372         * Makefile.in: Rebuild.
11373
11374         PR 6716
11375         * gold.h: Always include <clocale>.  Add Solaris workarounds
11376         following code in binutils/sysdep.h.
11377
11378         PR 6048
11379         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11380         this->eh_frame_hdr_ is NULL before using it.
11381
11382         * dynobj.cc (Versions::Versions): Update comment.
11383
11384         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11385         the base version name.
11386
11387         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11388         array size plus one.
11389         (Stringpool_template::set_string_offsets): Subtract one from key
11390         before using it as an array index.
11391         (Stringpool_template::get_offset_with_length): Likewise.
11392         (Stringpool_template::write_to_buffer): Likewise.
11393         * stringpool.h (Stringpool_template::get_offset_from_key):
11394         Likewise.
11395
11396 2008-07-23  Ian Lance Taylor  <iant@google.com>
11397
11398         PR 6658
11399         * object.h (Merged_symbol_value::value): Do our best to handle a
11400         negative addend.
11401
11402         PR 6647
11403         * script.cc (Version_script_info::get_versions): Don't add empty
11404         version tag to return value.
11405         (Version_script_info::get_symbol_version_helper): Change return
11406         type to bool.  Add pversion parameter.  Change all callers.
11407         (script_register_vers_node): Don't require a non-NULL tag.
11408         * script.h (class Version_script_info): Update declarations.
11409         (Version_script_info::get_symbol_version): Change return type to
11410         bool.  Add version parameter.  Change all callers.
11411         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11412         handling.  Handle an empty version from a version script.
11413         (Symbol_table::define_special_symbol): Likewise.
11414         * testsuite/ver_test_10.script: New file.
11415         * testsuite/ver_test_10.sh: New file.
11416         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11417         (check_DATA): Add ver_test_10.syms.
11418         (ver_test_10.syms, ver_test_10.so): New target.
11419         * testsuite/Makefile.in: Rebuild.
11420
11421 2008-07-23  Simon Baldwin  <simonb@google.com>
11422
11423         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11424         to zero for undefined symbols from dynamic libraries.
11425
11426 2008-07-23  Ian Lance Taylor  <iant@google.com>
11427
11428         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11429         Change all callers.
11430         * symtab.h (class Symbol_table): Update declaration.
11431         * testsuite/ver_test_9.cc: New file.
11432         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11433         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11434         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11435         (ver_test_9.so, ver_test_9.o): New targets.
11436         * testsuite/Makefile.in: Rebuild.
11437
11438 2008-07-22  Ian Lance Taylor  <iant@google.com>
11439
11440         * options.h (class General_options): Define --check-sections.
11441         * layout.cc (Layout::set_segment_offsets): Handle
11442         --check-sections.
11443
11444         * options.h (class General_options): Define -n/--nmagic and
11445         -N/--omagic.
11446         * options.cc (General_options::finalize): For -n/--nmagic or
11447         -N/--omagic, set -static.
11448         * layout.cc (Layout::attach_allocated_section_to_segment): If
11449         -N/--omagic, don't put read-only and read-write sections in
11450         different segments.
11451         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11452         finding a read-only segment.
11453         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11454         don't set the minimum segment alignment to the common page size,
11455         and don't set the file offset to the address modulo the page size.
11456         * script-sections.cc (Script_sections::create_segments): If
11457         -n/--omagic, don't put read-only and read-write sections in
11458         different segments.
11459
11460         * cref.cc: New file.
11461         * cref.h: New file.
11462         * options.h (class General_options): Add --print-symbol-counts.
11463         * main.cc (main): Issue defined symbol report if requested.
11464         * archive.cc (Archive::interpret_header): Make into a const member
11465         function.
11466         (Archive::add_symbols): Call Input_objects::archive_start and
11467         archive_stop.
11468         (Archive::const_iterator): Define new class.
11469         (Archive::begin, Archive::end): New functions.
11470         (Archive::include_all_members): Rewrite to use iterator.
11471         (Archive::count_members): New function.
11472         * archive.h (class Archive): Update declarations.
11473         (Archive::filename): New function.
11474         * object.cc: Include "cref.h".
11475         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11476         (Sized_relobj::do_get_global_symbol_counts): New function.
11477         (Input_objects::add_object): Add object to cross-referencer.
11478         (Input_objects::archive_start): New function.
11479         (Input_objects::archive_stop): New function.
11480         (Input_objects::print_symbol_counts): New function.
11481         * object.h: Declare Cref and Archive.
11482         (Object::get_global_symbol_counts): New function.
11483         (Object::do_get_global_symbol_counts): New pure virtual function.
11484         (class Sized_relobj): Add defined_count_ field.  Update
11485         declarations.
11486         (class Input_objects): Add cref_ field.  Update constructor.
11487         Update declarations.
11488         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11489         defined_count_.
11490         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11491         symbol counts.
11492         (Sized_dynobj::do_get_global_symbol_counts): New function.
11493         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11494         defined_count_.  Update declarations.  Define Symbols typedef.
11495         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11496         parameter.  Change all callers.
11497         (Symbol_table::add_from_dynobj): Add sympointers and defined
11498         parameters.  Change all callers.
11499         * symtab.h (class Symbol_table): Update declarations.
11500         * Makefile.am (CCFILES): Add cref.cc.
11501         (HFILES): Add cref.h.
11502         * Makefile.in: Rebuild.
11503
11504 2008-07-22  Simon Baldwin  <simonb@google.com>
11505
11506         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
11507         to zero when writing undefined symbols.
11508
11509 2008-07-22  Ian Lance Taylor  <iant@google.com>
11510
11511         * output.cc (Output_section::add_input_section): Don't try to
11512         merge empty merge sections.
11513
11514 2008-07-21  Craig Silverstein  <csilvers@google.com>
11515
11516         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11517         Include symbol version in error message.
11518
11519 2008-07-20  Chris Demetriou  <cgd@google.com>
11520
11521         * configure.ac (gold_cv_c_random_seed): New configured variable.
11522         (RANDOM_SEED_CFLAGS): New substituted variable.
11523         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
11524         * configure: Rebuild.
11525         * Makefile.in: Likewise.
11526         * testsuite/Makefile.in: Likewise.
11527
11528 2008-07-18  Ian Lance Taylor  <iant@google.com>
11529
11530         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
11531         where we see NAME/NULL and NAME/VERSION  as separate symbols.
11532         * testsuite/ver_test_main.cc (main): Call t4.
11533         (t4, t4_2a): Define.
11534         * testsuite/ver_test_2.cc (t4_2): Define.
11535         * testsuite/ver_test_2.script: Put t4_2a in VER2.
11536         * testsuite/ver_test_4.cc (t4_2a): Define.
11537         * testsuite/ver_test_4.script: Put t4_2a in VER2.
11538         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
11539
11540 2008-07-17  Ian Lance Taylor  <iant@google.com>
11541
11542         * dynobj.cc (Versions::add_def): If we give an error about a
11543         missing version, go ahead and create the version anyhow.
11544
11545 2008-07-10  Ian Lance Taylor  <iant@google.com>
11546
11547         Handle output sections with more than 0x7fffffff bytes.
11548         * object.h (class Relobj): Change map_to_output_ to
11549         output_sections_, and just keep a section pointer.  Change all
11550         uses.  Move comdat group support to Sized_relobj.
11551         (Relobj::is_section_specially_mapped): Remove.
11552         (Relobj::output_section): Remove poff parameter.  Change all
11553         callers.
11554         (Relobj::output_section_offset): New function.
11555         (Relobj::set_section_offset): Rewrite.
11556         (Relobj::map_to_output): Remove.
11557         (Relobj::output_sections): New function.
11558         (Relobj::do_output_section_offset): New pure virtual function.
11559         (Relobj::do_set_section_offset): Likewise.
11560         (class Sized_relobj): Add section_offsets_ field.  Add comdat
11561         group support from Relobj.  Update declarations.
11562         (Sized_relobj::get_output_section_offset): New function.
11563         (Sized_relobj::do_output_section_offset): New function.
11564         (Sized_relobj::do_set_section_offset): New function.
11565         * object.cc (Relobj::output_section_address): Remove.
11566         (Sized_relobj::Sized_relobj): Initialize new fields.
11567         (Sized_relobj::include_section_group): Cast find_kept_object to
11568         Sized_relobj.
11569         (Sized_relobj::include_linkonce_section): Likewise.
11570         (Sized_relobj::do_layout): Use separate arrays for output section
11571         and output offset.
11572         (Sized_relobj::do_count_local_symbols): Change map_to_output to
11573         output_sections.
11574         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
11575         output_sections and section_offsets.
11576         (Sized_relobj::write_local_symbols): Likewise.
11577         (map_to_kept_section): Compute output address directly.
11578         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
11579         output_sections and section_offsets.
11580         (Sized_relobj::write_sections): Likewise.
11581         (Sized_relobj::relocate_sections): Likewise.
11582         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
11583         * output.h (class Output_reloc): Update declarations.  Change
11584         u2_.relobj to Sized_relobj*.
11585         (class Output_data_reloc): Change add functions to use
11586         Sized_relobj*.
11587         * output.cc (Output_reloc::Output_reloc): Change relobj to
11588         Sized_relobj*.
11589         (Output_reloc::local_section_offset): Change return type to
11590         Elf_Addr.  Use get_output_section_offset.
11591         (Output_reloc::get_address): Likewise.
11592         (Output_section::is_input_address_mapped): Don't call
11593         is_section_specially_mapped.
11594         (Output_section::output_offset): Likewise.
11595         (Output_section::output_address): Likewise.
11596         (Output_section::starting_output_address): Likewise.
11597         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11598         parameter to Sized_relobj*.
11599         (Copy_relocs::need_copy_reloc): Likewise.
11600         (Copy_relocs::save): Likewise.
11601         * copy-relocs.h (class Copy_relocs): Update declarations.
11602         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11603         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11604         * target-reloc.h (relocate_for_relocatable): Change
11605         offset_in_output_section type to Elf_Addr.  Change code that uses
11606         it as well.
11607         * layout.cc (Layout::layout): Always set *off.
11608         * mapfile.cc (Mapfile::print_input_section): Use
11609         output_section_offset.
11610         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11611         Sized_relobj*.
11612         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11613         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11614         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11615
11616 2008-07-03  Ian Lance Taylor  <iant@google.com>
11617
11618         * layout.cc (Layout::include_section): Do not discard unrecognized
11619         SHT_STRTAB sections.
11620
11621 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11622
11623         * script.cc (Lex::can_continue_name): Make '?' allowable in
11624         version-script names.
11625         * testsuite/version_script.map: Change glob pattern to use '?'
11626
11627 2008-06-30  Manish Singh  <yosh@gimp.org>
11628
11629         PR 6585
11630         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11631         Correct typo.
11632
11633 2008-06-30  Ian Lance Taylor  <iant@google.com>
11634
11635         PR 6660
11636         PR 6682
11637         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11638         versions]: Don't try to read the value in the contents, since we
11639         don't use it.  Use the template endianness when writing.
11640
11641 2008-06-25  Cary Coutant  <ccoutant@google.com>
11642
11643         * fileread.cc (File_read::make_view): Assert on zero-length view.
11644         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11645         symbol table when there are no symbols to read.
11646
11647 2008-06-23  Craig Silverstein  <csilvers@google.com>
11648
11649         * version.cc (version_string): Bump to 1.7
11650
11651 2008-06-18  Craig Silverstein  <csilvers@google.com>
11652
11653         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11654         constant 0xFFFF to type Valtype.
11655         (Powerpc_relocate_functions::rel16_ha): Likewise.
11656
11657 2008-06-17  Ian Lance Taylor  <iant@google.com>
11658
11659         * output.h (Output_section::Input_section): Initialize p2align_ to
11660         zero for Output_section_data constructors.
11661         (Output_section::Input_section::addralign): If not an input
11662         section, return the alignment of the Output_section_data.
11663         * testsuite/copy_test.cc: New file.
11664         * testsuite/copy_test_1.cc: New file.
11665         * testsuite/copy_test_2.cc: New file.
11666         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11667         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11668         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11669         (copy_test_1_pic.o, copy_test_1.so): New targets.
11670         (copy_test_2_pic.o, copy_test_2.so): New targets.
11671         * testsuite/Makefile.in: Rebuild.
11672
11673         * script-sections.cc (Script_sections::place_orphan): Initialize
11674         local variable exact.
11675
11676 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11677
11678         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11679
11680 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11681             David S. Miller  <davem@davemloft.net>
11682
11683         * powerpc.cc: New file.
11684         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11685         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11686         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11687         * Makefile.in: Rebuild.
11688
11689 2008-06-09  Ian Lance Taylor  <iant@google.com>
11690
11691         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11692         <exception>.
11693         (throwing, orig_terminate): New static variables.
11694         (terminate_handler): New static function.
11695         (t2): Set terminate handler.
11696
11697 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11698
11699         PR 6584
11700         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11701         alignment.
11702
11703 2008-05-30  Cary Coutant  <ccoutant@google.com>
11704
11705         * archive.cc (Archive::include_all_members) Correct to step
11706         over symbol table and extended name table in thin archives.
11707
11708 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11709
11710         PR 6407
11711         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11712         calculation.
11713
11714 2008-05-28  Caleb Howe  <cshowe@google.com>
11715
11716         * reduced_debug_output.cc: New file.
11717         * reduced_debug_output.h: New file.
11718         * options.h (class General_options): Add --strip-debug-non-line.
11719         * options.cc (General_options::finalize): Add strip_debug_non_line
11720         to the strip heirarchy.
11721         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11722         fields.
11723         * layout.cc: Include "reduced_debug_output.h".
11724         (Layout::Layout): Initialize new fields.
11725         (line_only_debug_sections): New static array.
11726         (is_lines_only_debug_sections): New static inline function.
11727         (Layout::include_section): Handle --strip-debug-non-line.
11728         (Layout::make_output_section): If --strip-debug-non-line, build
11729         new output sections for .debug_abbrev and .debug_info.
11730         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11731         gold.  Warn about possible overflow.
11732         (read_signed_LEB_128): Likewise.
11733         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11734         (read_signed_LEB_128): Declare.
11735         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11736         (HFILES): Add reduced_debug_output.h.
11737         * Makefile.in: Rebuild.
11738
11739 2008-05-21  Ian Lance Taylor  <iant@google.com>
11740
11741         * mapfile.cc: New file.
11742         * mapfile.h: New file.
11743         * options.h (class General_options): Add -M/--print-map and -Map.
11744         * options.cc (General_options::finalize): Make -M equivalent to
11745         -Map -.
11746         * main.cc: Include <cstdio> and "mapfile.h".
11747         (main): Open mapfile if requested.
11748         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11749         constructor.  Change caller.
11750         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11751         (queue_middle_tasks): Likewise.
11752         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11753         declarations.
11754         * archive.cc: Include "mapfile.h".
11755         (Archive::add_symbols): Add mapfile parameter.  Change all
11756         callers.  Pass mapfile, symbol, and reason to include_member.
11757         (Archive::include_all_members): Add mapfile parameter.  Change all
11758         callers.
11759         (Archive::include_member): Add mapfile, sym, and why parameters.
11760         Change all callers.  Report inclusion to map file.
11761         * archive.h: Include "fileread.h".
11762         (class Archive): Update declarations.
11763         (Archive::file): New const method.
11764         (class Add_archive_symbols): Add mapfile_ field.  Update
11765         constructor.  Change all callers.
11766         * readsyms.h (class Read_symbols): Likewise.
11767         (class Finish_group): Likewise.
11768         (class Read_script): Likewise.
11769         * common.cc: Include "mapfile.h".
11770         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11771         all callers.
11772         (Symbol_table::do_allocate_commons): Likewise.
11773         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11774         symbol allocation to mapfile.
11775         * common.h (class Allocate_commons_task): Add mapfile_ field.
11776         Update constructor.  Change all callers.
11777         * symtab.h (class Symbol_table): Update declarations.
11778         * layout.cc: Include "mapfile.h".
11779         (Layout_task_runner::run): Print information to mapfile.
11780         (Layout::create_gold_note): Change Output_data_fixed_space to
11781         Output_data_zero_fill.
11782         (Layout::create_build_id): Likewise.
11783         (Layout::print_to_mapfile): New function.
11784         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11785         constructor.  Change caller.
11786         (class Layout): Declare print_to_mapfile.
11787         * output.cc (Output_section::Input_section::print_to_mapfile): New
11788         function.
11789         (Output_section::add_input_section): If producing a map, always
11790         add to input_sections_ list.
11791         (Output_section::do_print_to_mapfile): New function.
11792         (Output_segment::print_sections_to_mapfile): New function.
11793         (Output_segment::print_section_list_to_mapfile): New function.
11794         * output.h: Include "mapfile.h".
11795         (Output_data::print_to_mapfile): New function.
11796         (Output_data::do_print_to_mapfile): New virtual function.
11797         (Output_segment_headers::do_print_to_mapfile): New function.
11798         (Output_file_header::do_print_to_mapfile): New function.
11799         (Output_data_const::do_print_to_mapfile): New function.
11800         (class Output_data_const_buffer): Add map_name_ field.  Update
11801         constructor.  Change all callers.  Add do_print_to_mapfile
11802         function.
11803         (class Output_data_fixed_space): Likewise.
11804         (class Output_data_space): Likewise.
11805         (class Output_data_zero_fill): New class.
11806         (Output_data_strtab::do_print_to_mapfile): New function.
11807         (Output_data_reloc_base::do_print_to_mapfile): New function.
11808         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11809         (Output_data_group::do_print_to_mapfile): New function.
11810         (Output_data_got::do_print_to_mapfile): New function.
11811         (Output_data_dynamic::do_print_to_mapfile): New function.
11812         (Output_symtab_xindex::do_print_to_mapfile): New function.
11813         (class Output_section): Declare do_print_to_mapflie.  Declare
11814         print_to_mapfile in Input_section.
11815         (class Output_segment): Declare new functions.
11816         * object.h (Sized_relobj::symbol_count): New function.
11817         * script-sections.cc
11818         (Output_section_element_dot_assignment::set_section_addresses):
11819         Change Output_data_fixed_space to Output_data_zero_fill.
11820         (Output_data_expression::do_print_to_mapfile): New function.
11821         * script.cc (read_input_script): Add mapfile parameter.  Change
11822         all callers.
11823         * script.h (read_input_script): Update declaration.
11824         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11825         (Eh_frame::do_print_to_mapfile): New function.
11826         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11827         (Output_merge_string::do_print_to_mapfile): New function.
11828         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11829         function.
11830         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11831         function.
11832         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11833         function.
11834         * Makefile.am (CCFILES): Add mapfile.cc.
11835         (HFILES): Add mapfile.h.
11836         * Makefile.in: Rebuild.
11837
11838 2008-05-19  Ian Lance Taylor  <iant@google.com>
11839
11840         * options.h (class General_options): Add -z relro.
11841         * layout.cc (Layout::Layout): Initialize relro_segment_.
11842         (Layout::add_output_section_data): Return the output section.
11843         (Layout::make_output_section): Rcognize relro sections and mark
11844         them appropriately.
11845         (Layout::attach_allocated_section_to_segment): Put relro sections
11846         in a PT_GNU_RELRO segment.
11847         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11848         section as relro.
11849         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11850         PT_TLS segments.
11851         (Layout::linkonce_mapping): Map d.rel.ro.local to
11852         .data.rel.ro.local.
11853         (Layout::output_section_name): Us .data.rel.ro.local for any
11854         section which begins with that.
11855         * layout.h (class Layout): Update add_output_section_data
11856         declaration.  Add relro_segment_ field.
11857         * output.cc (Output_section::Output_section): Initialize is_relro_
11858         and is_relro_local_ fields.
11859         (Output_segment::add_output_section): Group relro sections.
11860         (Output_segment::is_first_section_relro): New function.
11861         (Output_segment::maximum_alignment): If there is a relro section,
11862         align the segment to the common page size.
11863         (Output_segment::set_section_addresses): Track whether we are
11864         looking at relro sections.  If the last section is a relro
11865         section, align to the common page size.
11866         (Output_segment::set_section_list_addresses): Add in_relro
11867         parameter.  Change all callers.  Align to the page size when
11868         moving from relro to non-relro section.
11869         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11870         segment.
11871         * output.h (class Output_section): Add is_relro_ and
11872         is_relro_local_ fields.
11873         (Output_section::is_relro): New function.
11874         (Output_section::set_is_relro): New function.
11875         (Output_section::is_relro_local): New function.
11876         (Output_section::set_is_relro_local): New function.
11877         (class Output_segment): Update declarations.
11878         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11879         * sparc.cc (Target_sparc::got_section): Likewise.
11880         * x86_64.cc (Target_x86_64::got_section): Likewise.
11881         * testsuite/relro_test_main.cc: New file.
11882         * testsuite/relro_test.cc: New file.
11883         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11884         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11885         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11886         (relro_test.so, relro_test_pic.o): New targets.
11887         * testsuite/Makefile.in: Rebuild.
11888
11889 2008-05-16  Ian Lance Taylor  <iant@google.com>
11890
11891         * output.cc (Output_segment::add_output_section): Remove front
11892         parameter.
11893         * output.h (class Output_segment): Remove
11894         add_initial_output_section and overloaded add_output_section.
11895         Update declaration of remaining add_output_section.
11896         * layout.cc (Layout::create_interp): Call add_output_section
11897         rather than add_initial_output_section.
11898         (Layout::finish_dynamic_section): Likewise.
11899
11900         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11901         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11902         know the dynamic type.
11903         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11904         field.  Initialize it in constructor.
11905         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11906         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11907         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11908         reloc.
11909
11910         * output.cc (Output_reloc::get_address): Change return type to
11911         Elf_Addr.
11912         * output.h (class Output_reloc): Update get_address declaration.
11913         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11914         for section addresses.
11915
11916 2008-05-09  Ian Lance Taylor  <iant@google.com>
11917
11918         PR 6493
11919         * gold.cc (gold_nomem): Use return value of write.
11920
11921 2008-05-08  Ian Lance Taylor  <iant@google.com>
11922
11923         * symtab.c (Symbol::init_base_output_data): Add version
11924         parameter.  Change all callers.
11925         (Symbol::init_base_output_segment): Likewise.
11926         (Symbol::init_base_constant): Likewise.
11927         (Symbol::init_base_undefined): Likewise.
11928         (Sized_symbol::init_output_data): Likewise.
11929         (Sized_symbol::init_output_segment): Likewise.
11930         (Sized_symbol::init_constant): Likewise.
11931         (Sized_symbol::init_undefined): Likewise.
11932         (Symbol_table::do_define_in_output_data): If the new symbol has a
11933         version, mark it as the default.
11934         (Symbol_table::do_define_in_output_segment): Likewise.
11935         (Symbol_table::do_define_as_constant): Likewise.
11936         * symtab.h (class Symbol): Update declarations.
11937         (class Sized_symbol): Likewise.
11938         * resolve.cc (Symbol::override_version): New function.
11939         (Symbol::override_base): Call override_version.
11940         (Symbol::override_base_with_special): Likewise.
11941         * testsuite/ver_script_8.script: New file.
11942         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11943         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11944         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11945         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11946
11947 2008-05-06  Ian Lance Taylor  <iant@google.com>
11948
11949         PR 6049
11950         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11951         functions.
11952         (class General_options): Remove existing --undefined, and add
11953         --no-undefined instead.  Add new --undefined as synonym for -u.
11954         * archive.cc (Archive::add_symbols): Check whether symbol was
11955         named with -u.
11956         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11957         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11958         all uses.  Add IS_UNDEFINED.  Update declarations to split
11959         different versions of init_base.  Declare init_base_undefined.
11960         (Symbol::is_defined): Handle IS_UNDEFINED.
11961         (Symbol::is_undefined): Likewise.
11962         (Symbol::is_weak_undefined): Call is_undefined.
11963         (Symbol::is_absolute): Handle IS_CONSTANT.
11964         (class Sized_symbol): Update declarations to split different
11965         versions of init.  Declare init_undefined.
11966         (class Symbol_table): Declare new functions.
11967         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11968         Change all callers.
11969         (Symbol::init_base_output_data): Likewise.
11970         (Symbol::init_base_output_segment): Likewise.
11971         (Symbol::init_base_constant): Likewise.
11972         (Symbol::init_base_undefined): New function.
11973         (Sized_symbol::init_object): Rename from init.  Change all
11974         callers.
11975         (Sized_symbol::init_output_data): Likewise.
11976         (Sized_symbol::init_output_segment): Likewise.
11977         (Sized_symbol::init_constant): Likewise.
11978         (Sized_symbol::init_undefined): New function.
11979         (Symbol_table::add_undefined_symbols_from_command_line): New
11980         function.
11981         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11982         function.
11983         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11984         (Symbol::output_section): Likewise.
11985         (Symbol::set_output_section): Likewise.
11986         (Symbol_table::sized_finalize_symbol): Likewise.
11987         (Symbol_table::sized_write_globals): Likewise.
11988         * resolve.cc (Symbol_table::should_override): Likewise.
11989         (Symbol::override_base_with_special): Likewise.
11990
11991         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11992         symbol, change it to have default visibility.
11993         * testsuite/protected_1.cc: New file.
11994         * testsuite/protected_2.cc: New file.
11995         * testsuite/protected_3.cc: New file.
11996         * testsuite/protected_main_1.cc: New file.
11997         * testsuite/protected_main_2.cc: New file.
11998         * testsuite/protected_main_3.cc: New file.
11999         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12000         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12001         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12002         (protected_1.so): New target.
12003         (protected_1_pic.o, protected_2_pic.o): New targets.
12004         (protected_3_pic.o): New target.
12005         (check_PROGRAMS): Add protected_2.
12006         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12007         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12008         * testsuite/Makefile.in: Rebuild.
12009
12010         * options.h (DEFINE_var): Add set_user_set_##varname__.
12011         (DEFINE_bool_alias): New macro.
12012         (class General_options): Define -Bstatic using DEFINE_bool_alias
12013         rather than DEFINE_special.  Add --undefined as an alias for -z
12014         defs.
12015         * options.cc (General_options::parse_Bstatic): Remove.
12016
12017         * options.h (class General_options): Add --fatal-warnings.
12018         * main.cc (main): Implement --fatal-warnings.
12019         * errors.h (Errors::warning_count): New function.
12020
12021         * options.h (class General_options): Add -Bsymbolic-functions.
12022         * symtab.h (Symbol::is_preemptible): Check for
12023         -Bsymbolic-functions.
12024
12025 2008-05-05  Ian Lance Taylor  <iant@google.com>
12026
12027         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12028         as noVARNAME rather than no-VARNAME.
12029         (class General_options): Add option -z combreloc.
12030         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12031         get_address.
12032         (Output_reloc::sort_before) [SHT_REL]: New function.
12033         (Output_reloc::sort_before) [SHT_RELA]: New function.
12034         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12035         Sort_relocs_comparison.
12036         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12037         parameter.  Change all callers.
12038         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12039         sort_relocs parameter.  Change all callers.
12040         * output.cc (Output_reloc::get_address): New function, broken out
12041         of write_rel.
12042         (Output_reloc::write_rel): Call it.
12043         (Output_reloc::compare): New function.
12044         (Output_data_reloc_base::do_write): Optionally sort relocs.
12045
12046         * configure.ac: If targ_extra_obj is set, link it in.
12047         * configure.tgt: Initialize all variables.
12048         (x86_64*): Set targ_extra_obj and targ_extra_size.
12049         * configure: Rebuild.
12050
12051         * object.cc (Sized_relobj::include_section_group): Adjust section
12052         indexes read from group data.  Build vector to pass to
12053         layout_group.
12054         * layout.cc (Layout::layout_group): Add flags and shndxes
12055         parameters.  Remove contents parameter.  Change caller.  Update
12056         explicit instantiations.
12057         * layout.h (class Layout): Update layout_group declaration.
12058         * output.cc (Output_data_group::Output_data_group): Add flags and
12059         input_shndxes parameters.  Remove contents parameter.  Change
12060         caller.
12061         (Output_data_group::do_write): Change input_sections_ to
12062         input_shndxes_.
12063         * output.h (class Output_data_group): Update constructor
12064         declaration.  Rename input_sections_ to input_shndxes_.
12065         * testsuite/many_sections_test.cc: Add template.
12066
12067 2008-04-30  Cary Coutant  <ccoutant@google.com>
12068
12069         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12070
12071         * layout.cc (Layout::include_section): Refactored check for debug
12072         info section.
12073         (Layout::add_comdat): Add new parameters.  Change type
12074         of signature parameter.  Add object and shndx to signatures table.
12075         (Layout::find_kept_object): New function.
12076         * layout.h: Include <cstring>.
12077         (Layout::is_debug_info_section): New function.
12078         (Layout::add_comdat): Add new parameters.
12079         (Layout::find_kept_object): New function.
12080         (Layout::Kept_section): New struct.
12081         (Layout::Signatures): Change type of map range.
12082         * object.cc (Relobj::output_section_address): New function.
12083         (Sized_relobj::include_section_group): Add new parameters.  Change
12084         calls to Layout::add_comdat.  Change to build table of kept comdat
12085         groups and table mapping discarded sections to kept sections.
12086         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12087         (Sized_relobj::do_layout): Change calls to include_section_group and
12088         include_linkonce_section.
12089         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12090         value to zero when section is discarded.
12091         (Sized_relobj::map_to_kept_section): New function.
12092         * object.h (Relobj::output_section_address): New function.
12093         (Relobj::Comdat_group): New type.
12094         (Relobj::find_comdat_group): New function.
12095         (Relobj::Comdat_group_table): New type.
12096         (Relobj::Kept_comdat_section): New type.
12097         (Relobj::Kept_comdat_section_table): New type.
12098         (Relobj::add_comdat_group): New function.
12099         (Relobj::set_kept_comdat_section): New function.
12100         (Relobj::get_kept_comdat_section): New function.
12101         (Relobj::comdat_groups_): New field.
12102         (Relobj::kept_comdat_sections_): New field.
12103         (Symbol_value::input_value): Update comment.
12104         (Sized_relobj::map_to_kept_section) New function.
12105         (Sized_relobj::include_linkonce_section): Add new parameter.
12106         * target-reloc.h (Comdat_behavior): New type.
12107         (get_comdat_behavior): New function.
12108         (relocate_section): Add code to map a discarded section to the
12109         corresponding kept section when applying a relocation.
12110
12111 2008-04-30  Craig Silverstein  <csilvers@google.com>
12112
12113         * dwarf_reader.cc (next_generation_count): New static var.
12114         (Addr2line_cache_entry): New struct.
12115         (addr2line_cache): New static var.
12116         (Dwarf_line_info::one_addr2line): Added caching.
12117         (Dwarf_line_info::clear_addr2line_cache): New function.
12118         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12119         cache-size parameter.
12120         (Dwarf_line_info::one_addr2line_cache): New function.
12121         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12122         new cache-size argument to one_addr2line(), and clear cache.
12123
12124 2008-04-28  Cary Coutant  <ccoutant@google.com>
12125
12126         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12127         R_386_PC8 relocations.
12128
12129 2008-04-23  Ian Lance Taylor  <iant@google.com>
12130
12131         * object.cc (Sized_relobj::include_section_group): Check for
12132         invalid section group.
12133
12134         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12135         header size.
12136
12137         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12138         than read for file header.
12139         * archive.cc (Archive::include_member): Likewise.
12140
12141 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12142
12143         * aclocal.m4: Regenerate.
12144         * configure: Regenerate.
12145
12146 2008-04-19  Ian Lance Taylor  <iant@google.com>
12147
12148         * version.cc (version_string): Bump to 1.6.
12149
12150         * testsuite/Makefile.am (many_sections_r_test): New target.
12151         (many_sections_r_test_SOURCES): Remove.
12152         (many_sections_r_test_DEPENDENCIES): Remove.
12153         (many_sections_r_test_LDFLAGS): Remove.
12154         (many_sections_r_test_LDADD): Remove.
12155
12156         * object.cc (Sized_relobj::do_add_symbols): Always pass
12157         local_symbol_count_ to add_from_relobj.
12158
12159         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12160         every thousand variables.
12161         * testsuite/Makefile.in: Rebuild.
12162
12163         * object.cc (Xindex::initialize_symtab_xindex): New function.
12164         (Xindex::read_symtab_xindex): New function.
12165         (Xindex::sym_xindex_to_shndx): New function.
12166         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12167         available.
12168         (Sized_relobj::do_initialize_xindex): New function.
12169         (Sized_relobj::do_read_symbols): Adjust section links.
12170         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12171         parameter.  Change all callers.
12172         (Sized_relobj::include_section_group): Adjust section links and
12173         symbol section indexes.
12174         (Sized_relobj::do_layout): Adjust section links.
12175         (Sized_relobj::do_count_local_symbols): Adjust section links and
12176         symbol section indexes.
12177         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12178         ordinary and special symbols.
12179         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12180         dynsym_xindex parameters.  Change all callers.  Adjust section
12181         links.  Use SHN_XINDEX when needed.
12182         (Sized_relobj::get_symbol_location_info): Adjust section links.
12183         Don't get fooled by special symbols.
12184         * object.h (class Xindex): Define.
12185         (class Object): Add xindex_ parameter.  Declare virtual functoin
12186         do_initialize_xindex.
12187         (Object::adjust_sym_shndx): New function.
12188         (Object::set_xindex): New protected function.
12189         (class Symbol_value): Add is_ordinary_shndx_ field.
12190         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12191         (Symbol_value::value): Assert ordinary section.
12192         (Symbol_value::initialize_input_to_output_map): Likewise.
12193         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12194         Change all callers.
12195         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12196         all callers.
12197         (class Sized_relobj): Update declarations.
12198         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12199         parameter.  Change all callers.
12200         (Sized_relobj::adjust_shndx): New function.
12201         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12202         field.
12203         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12204         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12205         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12206         (Sized_dynobj::read_dynsym_section): Adjust section links.
12207         (Sized_dynobj::read_dynamic): Likewise.
12208         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12209         section links.
12210         (Sized_dynobj::do_initialize_xindex): New function.
12211         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12212         do_initialize_xindex.
12213         (Sized_dynobj::adjust_shndx): New function.
12214         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12215         dynsym_xindex_ fields.
12216         (Layout::finalize): Add a call to set_section_indexes before
12217         creating the symtab sections.
12218         (Layout::set_section_indexes): Don't do anything if the section
12219         already has a section index.
12220         (Layout::create_symtab_sections): Add shnum parameter.  Change
12221         caller.  Create .symtab_shndx section if needed.
12222         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12223         caller.
12224         (Layout::allocated_output_section_count): New function.
12225         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12226         needed.
12227         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12228         fields.  Update declarations.
12229         (Layout::symtab_xindex): New function.
12230         (Layout::dynsym_xindex): New function.
12231         (class Write_symbols_task): Add layout_ field.
12232         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12233         Change caller.
12234         * output.cc (Output_section_headers::Output_section_headers): Add
12235         shstrtab_section parameter.  Change all callers.
12236         (Output_section_headers::do_sized_write): Store overflow values
12237         for section count and section string table section index in
12238         section header zero.
12239         (Output_file_header::do_sized_write): Check for overflow of
12240         section count and section string table section index.
12241         (Output_symtab_xindex::do_write): New function.
12242         (Output_symtab_xindex::endian_do_write): New function.
12243         * output.h (class Output_section_headers): Add shstrtab_section_.
12244         Update declarations.
12245         (class Output_symtab_xindex): Define.
12246         (Output_section::has_out_shndx): New function.
12247         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12248         field.
12249         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12250         Change all callers.
12251         (Sized_symbol::init): Likewise.
12252         (Symbol::output_section): Check for ordinary symbol.
12253         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12254         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12255         callers.
12256         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12257         Change all callers.  Simplify handling of symbols from sections
12258         not included in the link.
12259         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12260         distinction.
12261         (Weak_alias_sorter::operator()): Assert that symbols are
12262         ordinary.
12263         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12264         distinction.
12265         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12266         parameters.  Change all callers.
12267         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12268         symbol distinction.  Use SHN_XINDEX when needed.
12269         (Symbol_table::write_section_symbol): Add symtab_xindex
12270         parameter.  Change all callers.
12271         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12272         SHN_XINDEX when needed.
12273         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12274         declarations.
12275         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12276         (Symbol::is_defined): Check is_ordinary.
12277         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12278         (Symbol::is_absolute, Symbol::is_common): Likewise.
12279         (class Sized_symbol): Update declarations.
12280         (class Symbol_table): Update declarations.
12281         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12282         parameters.  Change all callers.
12283         (Sized_symbol::override): Likewise.
12284         (Symbol_table::override): Likewise.
12285         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12286         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12287         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12288         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12289         to be in an ordinary section.
12290         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12291         object and is_ordinary parameters.  Change all callers.
12292         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12293         Change all callers.  Don't add undefined or non-ordinary symbols
12294         to reloc_map_.
12295         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12296         Change all callers.
12297         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12298         declarations.
12299         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12300         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12301         (Sized_relobj::relocate_sections): Likewise.
12302         * target-reloc.h (scan_relocs): Adjust section symbol index.
12303         (scan_relocatable_relocs): Likewise.
12304         * i386.cc (Scan::local): Check for ordinary symbols.
12305         * sparc.cc (Scan::local): Likewise.
12306         * x86_64.cc (Scan::local): Likewise.
12307         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12308         to symbol_section_and_value.
12309         * testsuite/many_sections_test.cc: New file.
12310         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12311         (check_PROGRAMS): Add many_sections_test.
12312         (many_sections_test_SOURCES): Define.
12313         (many_sections_test_DEPENDENCIES): Define.
12314         (many_sections_test_LDFLAGS): Define.
12315         (BUILT_SOURCES): Add many_sections_define.h.
12316         (many_sections_define.h): New target.
12317         (BUILT_SOURCES): Add many_sections_check.h.
12318         (many_sections_check.h): New target.
12319         (check_PROGRAMS): Add many_sections_r_test.
12320         (many_sections_r_test_SOURCES): Define.
12321         (many_sections_r_test_DEPENDENCIES): Define.
12322         (many_sections_r_test_LDFLAGS): Define.
12323         (many_sections_r_test_LDADD): Define.
12324         (many_sections_r_test.o): New target.
12325         * testsuite/Makefile.in: Rebuild.
12326
12327 2008-04-17  Cary Coutant  <ccoutant@google.com>
12328
12329         * errors.cc (Errors::info): New function.
12330         (gold_info): New function.
12331         * errors.h (Errors::info): New function.
12332         * gold.h (gold_info): New function.
12333         * object.cc (Input_objects::add_object): Print trace output.
12334         * options.cc (options::parse_set): New function.
12335         (General_options::parse_wrap): Deleted.
12336         (General_options::General_options): Deleted initializer.
12337         * options.h (options::String_set): New typedef.
12338         (options::parse_set): New function.
12339         (DEFINE_set): New macro.
12340         (General_options::wrap): Changed to use DEFINE_set. Changed
12341         callers of any_wrap_symbols and is_wrap_symbol.
12342         (General_options::trace, General_options::trace_symbol):
12343         New options.
12344         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12345         (General_options::wrap_symbols_): Deleted.
12346         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12347
12348 2008-04-17  David S. Miller  <davem@davemloft.net>
12349
12350         * options.cc (General_options::parse_V): New function.
12351         * options.h: Add entries for -V and -Qy.
12352
12353 2008-04-17  Ian Lance Taylor  <iant@google.com>
12354
12355         * common.cc (Symbol_table::allocate_commons): Remove options
12356         parameter.  Change caller.
12357         (Symbol_table::do_allocate_commons): Remove options parameter.
12358         Change caller.  Just call do_allocate_commons_list twice.
12359         (Symbol_table::do_allocate_commons_list): New function, broken out
12360         of do_allocate_commons.
12361         * common.h (class Allocate_commons_task): Remove options_ field.
12362         Update constructor.
12363         * symtab.cc (Symbol_table::Symbol_table): Initialize
12364         tls_commons_.
12365         (Symbol_table::add_from_object): Put TLS common symbols on
12366         tls_commons_ list.
12367         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12368         which are IN_OUTPUT_DATA.
12369         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12370         allocate_commons and do_allocate_commons declarations.  Declare
12371         do_allocate_commons_list.
12372         * gold.cc (queue_middle_tasks): Update creation of
12373         Allocate_commons_task to not pass options.
12374         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12375         (TLS_TEST_C_FLAGS): New variable.
12376         (tls_test_c_pic.o): New target.
12377         (tls_test_shared.so): Link in tls_test_c_pic.o.
12378         (tls_test_c_pic_ie.o): New target.
12379         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12380         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12381         (tls_test_c.o): New target.
12382         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12383         (tls_pic_test_LDADD): Likewise.
12384         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12385         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12386         (tls_test_c_gnu2.o): New target.
12387         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12388         tls_test_c_gnu2.o.
12389         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12390         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12391         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12392         * testsuite/tls_test.cc: Include "config.h".
12393         (t_last): Call t11_last.
12394         * testsuite/tls_test.h (t11, t11_last): Declare.
12395         * testsuite/tls_test_c.c: New file.
12396         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12397         * configure.ac: Check for OpenMP support.
12398         * configure, config.in, Makefile.in: Rebuild.
12399         * testsuite/Makefile.in: Rebuild.
12400
12401 2008-04-16  Cary Coutant  <ccoutant@google.com>
12402
12403         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12404         (Target_i386::tls_base_symbol_defined_): New field.
12405         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12406         (Target_i386::Scan::global): Likewise.
12407         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12408         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12409         (Target_x86_64::tls_base_symbol_defined_): New field.
12410         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12411         (Target_x86_64::Scan::global): Likewise.
12412
12413 2008-04-16  Cary Coutant  <ccoutant@google.com>
12414
12415         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12416         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12417         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12418         building shared libraries.
12419         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12420         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12421         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12422         * testsuite/Makefile.in: Rebuild.
12423         * testsuite/weak_undef.h: New file.
12424         * testsuite/weak_undef_file1.cc: Add extra test cases.
12425         * testsuite/weak_undef_file2.cc: Likewise.
12426         * testsuite/weak_undef_test.cc: Likewise.
12427
12428 2008-04-16  David S. Miller  <davem@davemloft.net>
12429
12430         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12431         Add issued_non_pic_error_ field.  Declare check_non_pic.
12432         (Target_sparc::Scan::check_non_pic): New function.
12433         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12434         (Target_sparc::Scan::global): Likewise.
12435
12436         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12437         * configure: Rebuild.
12438
12439         * options.h (DEFINE_enable): New macro.
12440         (new_dtags): New enable option.
12441         (initfirst, interpose, loadfltr, nodefaultlib,
12442         nodelete, nodlopen, nodump): New -z options.
12443         * layout.cc (Layout:finish_dynamic_section): If new
12444         dtags enabled, emit DT_RUNPATH.  Also, emit a
12445         DT_FLAGS_1 containing any specified -z flags.
12446
12447 2008-04-16  Ian Lance Taylor  <iant@google.com>
12448
12449         * copy-relocs.cc: New file.
12450         * copy-relocs.h: New file.
12451         * reloc.cc: Remove Copy_relocs code.
12452         * reloc.h: Likewise.
12453         * reloc-types.h (struct Reloc_types) [both versions]: Add
12454         get_reloc_addend_noerror.
12455         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12456         variants of add_global which take an addend which must be zero.
12457         * i386.cc: Include "copy-relocs.h".
12458         (class Target_i386): Change type of copy_relocs_ to variable,
12459         update initializer.
12460         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12461         Change all callers.
12462         (Target_i386::do_finalize_sections): Change handling of
12463         copy_relocs_.
12464         * sparc.cc: Include "copy-relocs.h".
12465         (class Target_sparc): Change type of copy_relocs_ to variable,
12466         update initializer.
12467         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12468         Change all callers.
12469         (Target_sparc::do_finalize_sections): Change handling of
12470         copy_relocs_.
12471         * x86_64.cc: Include "copy-relocs.h".
12472         (class Target_x86_64): Change type of copy_relocs_ to variable,
12473         update initializer.
12474         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12475         class.  Change all callers.
12476         (Target_x86_64::do_finalize_sections): Change handling of
12477         copy_relocs_.
12478         * Makefile.am (CCFILES): Add copy-relocs.cc.
12479         (HFILES): Add copy-relocs.h.
12480
12481         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12482
12483         * testsuite/script_test_4.sh: Permit leading zeroes.
12484
12485 2008-04-15  Ian Lance Taylor  <iant@google.com>
12486
12487         * script-sections.cc (Script_sections::create_segments): Use
12488         header_size_adjustment even when there is enough room for the
12489         headers.
12490         * testsuite/script_test_4.sh: New file.
12491         * testsuite/script_test_4.t: New file.
12492         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12493         (check_DATA): Add script_test_4.stdout.
12494         (MOSTLYCLEANFILES): Likewise.
12495         (script_test_4): New target.
12496         (script_test_4.stdout): New target.
12497         * testsuite/Makefile.in: Rebuild.
12498
12499         * sparc.cc: Add definitions for Output_data_plt_sparc class
12500         constants.
12501
12502 2008-04-14  David S. Miller  <davem@davemloft.net>
12503
12504         * sparc.cc: New file.
12505         * Makefile.am (TARGETSOURCES): Add sparc.cc
12506         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
12507         * configure.tgt: Document targ_extra_size and
12508         targ_extra_big_endian.  Add entries for sparc-* and
12509         sparc64-*.
12510         * configure.ac: Handle targ_extra_size and
12511         targ_extra_big_endian.
12512         * Makefile.in: Rebuild.
12513         * configure: Likewise.
12514         * po/POTFILES.in: Likewise.
12515         * po/gold.pot: Likewise.
12516
12517 2008-04-14  Ian Lance Taylor  <iant@google.com>
12518
12519         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
12520         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
12521         in the name/type/flags to section mapping.  Don't call
12522         allocate_output_section.
12523         (Layout::choose_output_section): Change parameter from adjust_name
12524         to is_input_section.  Don't permit input sections after sections
12525         are attached to segments.  Don't call allocate_output_section.
12526         (Layout::layout_eh_frame): Call update_flags_for_input_section,
12527         not write_enable_output_section.
12528         (Layout::make_output_section): Don't push to
12529         unattached_section_list_ nor call attach_to_segment.  Call
12530         attach_section_to_segment if sections are attached.
12531         (Layout::attach_sections_to_segments): New function.
12532         (Layout::attach_section_to_segment): New function.
12533         (Layout::attach_allocated_section_to_segment): Rename from
12534         attach_to_segment.  Remove flags parameter.
12535         (Layout::allocate_output_section): Remove function.
12536         (Layout::write_enable_output_section): Remove function.
12537         * layout.h (class Layout): Update for above changes.  Add new
12538         field sections_are_attached_.
12539         * output.h (Output_section::update_flags_for_input_section): New
12540         function.
12541         * output.cc (Output_section::add_input_section): Call
12542         update_flags_for_input_section.
12543         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
12544
12545 2008-04-11  Cary Coutant  <ccoutant@google.com>
12546
12547         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
12548         thought unnecessary.
12549         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
12550
12551 2008-04-11  Ian Lance Taylor  <iant@google.com>
12552
12553         * output.h (class Output_section_data): Remove inline definition
12554         of set_addralign.
12555         * output.cc (Output_section_data::set_addralign): New function.
12556
12557 2008-04-11  Cary Coutant  <ccoutant@google.com>
12558
12559         Add support for TLS descriptors for i386 and x86_64.
12560         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
12561         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
12562         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
12563         GOT_TYPE_TLS_DESC.
12564         (Target_i386::got_mod_index_entry): Remove unnecessary code.
12565         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
12566         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
12567         relocations.
12568         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
12569         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
12570         Fix problem with initial-exec relocations.
12571         (Target_i386::Relocate::relocate_tls): Likewise.
12572         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
12573         relaxation.
12574         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
12575         support for section-plus-offset dynamic table entries.
12576         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
12577         (Output_data_dynamic::Dynamic_entry): Add support for
12578         section-plus-offset dynamic table entries.
12579         (Output_data_dynamic::Classification): Likewise.
12580         (Output_data_dynamic::classification_): Renamed offset_.
12581         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
12582         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
12583         (Target_x86_64::make_plt_section): New function.
12584         (Target_x86_64::reserve_tlsdesc_entries): New function.
12585         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
12586         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
12587         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
12588         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
12589         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
12590         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
12591         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
12592         add extra PLT entry for TLS descriptors.
12593         (Output_data_plt_x86_64::got_): New field.
12594         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12595         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12596         fields.
12597         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12598         descriptors.
12599         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12600         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12601         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12602         R_386_TLS_DESC_CALL relocations.
12603         (Target_x86_64::Scan::global): Likewise.
12604         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12605         for TLS descriptors.
12606         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12607         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12608         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12609         GD-to-IE relaxation.
12610         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12611         and TLS_DESCRIPTORS.
12612         * Makefile.in: Rebuild.
12613         * configure: Rebuild.
12614         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12615         (tls_test_shared2.so): New target.
12616         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12617         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12618         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12619         (tls_shared_gd_to_ie_test_LDADD): New variable.
12620         (tls_shared_gnu2_gd_to_ie_test): New target.
12621         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12622         New targets.
12623         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12624         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12625         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12626         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12627         (tls_shared_gnu2_test): New target.
12628         (tls_test_gnu2_shared.so): New target.
12629         (tls_shared_gnu2_test_SOURCES): New variable.
12630         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12631         (tls_shared_gnu2_test_LDFLAGS): New variable.
12632         (tls_shared_gnu2_test_LDADD): New variable.
12633         * testsuite/Makefile.in: Rebuild.
12634         * testsuite/Makefile.
12635
12636 2008-04-11  Ian Lance Taylor  <iant@google.com>
12637
12638         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12639         justsyms.t.
12640         * testsuite/Makefile.in: Rebuild.
12641
12642         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12643         long.
12644         * testsuite/script_test_2.cc (main): Adjust test.
12645
12646 2008-04-11  David S. Miller  <davem@davemloft.net>
12647             Ian Lance Taylor  <iant@google.com>
12648
12649         * options.h (General_options): Add entries for '-Y' and
12650         '-relax'.
12651         * options.cc (General_options:finalize): If -Y was used, add those
12652         entries to the library path instead of the default "/lib" and
12653         "/usr/lib".
12654
12655 2008-04-11  David S. Miller  <davem@davemloft.net>
12656
12657         * testsuite/justsyms.t: Start at 0x100.
12658         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12659         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12660         long.
12661         * testsuite/script_test_2.cc: Adjust string and section length
12662         checks.
12663
12664 2008-04-09  Ian Lance Taylor  <iant@google.com>
12665
12666         PR gold/5996
12667         * script-sections.cc (Sections_element::allocate_to_segment): Add
12668         orphan parameter.
12669         (Output_section_definition::allocate_to_segment): Likewise.
12670         (Orphan_output_section::allocate_to_segment): Likewise.
12671         (Script_sections::attach_sections_using_phdrs_clause): Don't
12672         propagate non-PT_LOAD segments to orphan sections.
12673         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12674         readelf rather than objdump.
12675         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12676         .interp section and PT_INTERP segment are the same size.
12677         * testsuite/Makefile.in: Rebuild.
12678
12679         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12680         aliases for symbols defined in the same object.
12681         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12682         (weak_alias_test_SOURCES): New variable.
12683         (weak_alias_test_DEPENDENCIES): New variable.
12684         (weak_alias_test_LDFLAGS): New variable.
12685         (weak_alias_test_LDADD): New variable.
12686         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12687         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12688         (weak_alias_test_3.o): New target.
12689         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12690         * testsuite/weak_alias_test_main.cc: New file.
12691         * testsuite/weak_alias_test_1.cc: New file.
12692         * testsuite/weak_alias_test_2.cc: New file.
12693         * testsuite/weak_alias_test_3.cc: New file.
12694
12695 2008-04-08  Ian Lance Taylor  <iant@google.com>
12696
12697         * options.h (class General_options): Add --noinhibit-exec option.
12698         * main.cc (main): Check --noinhibit-exec.
12699
12700         * options.h (class General_options): Define --wrap as a special
12701         option.  Add wrap_symbols_ field.
12702         (General_options::any_wrap_symbols): New function.
12703         (General_options::is_wrap_symbol): New function.
12704         * options.cc (General_options::parse_wrap): New function.
12705         (General_options::General_options): Initialize wrap_symbols_.
12706         * symtab.cc (Symbol_table::wrap_symbol): New function.
12707         (Symbol_table::add_from_object): Handle --wrap.
12708         * symtab.h (class Symbol_table): Declare wrap_symbol.
12709         * target.h (Target::wrap_char): New function.
12710         (Target::Target_info): Add wrap_char field.
12711         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12712         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12713         * testsuite/testfile.cc (Target_test::test_target_info):
12714         Likewise.
12715
12716         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12717         there is one.
12718
12719         * layout.h (class Layout): Add added_eh_frame_data_ field.
12720         * layout.cc (Layout::Layout): Initialize new field.
12721         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12722         output section until we find a section we merged successfully.
12723         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12724         that the size be non-zero.
12725
12726         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12727         qualifier.
12728
12729 2008-04-08  Craig Silverstein  <csilvers@google.com>
12730
12731         * configure.ac: Export new conditional variable HAVE_ZLIB.
12732         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12733         on HAVE_ZLIB.
12734         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12735         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12736
12737 2008-04-07  Ian Lance Taylor  <iant@google.com>
12738
12739         * version.cc (version_string): Set to "1.5".
12740
12741         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12742         Add issued_non_pic_error_ field.  Declare check_non_pic.
12743         (Target_x86_64::Scan::check_non_pic): New function.
12744         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12745         (Target_x86_64::Scan::global): Likewise.
12746
12747         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12748         addend parameter.  Change caller.  Handle merge sections.
12749         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12750         Address to Addend.  Don't add in the result of
12751         local_section_offset, pass down the addend and use the returned
12752         value.
12753         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12754         Update declarations of local_section_offset and symbol_value.
12755         * testsuite/two_file_test_1.cc (t18): New function.
12756         * testsuite/two_file_test_2.cc (f18): New function.
12757         * testsuite/two_file_test_main.cc (main): Call t18.
12758         * testsuite/two_file_test.h (t18, f18): Declare.
12759
12760         * configure.ac: Don't test for objdump, c++filt, or readelf.
12761         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12762         conditionals.
12763         (TEST_READELF): New variable.
12764         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12765         (check_PROGRAMS): Add two_file_strip_test.
12766         (two_file_strip_test): New target.
12767         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12768         (two_file_same_shared_strip_test_SOURCES): New variable.
12769         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12770         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12771         (two_file_same_shared_strip_test_LDADD): New variable.
12772         (two_file_shared_strip.so): New target.
12773         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12774         (ver_test_5.syms, ver_test_7.syms): Likewise.
12775         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12776         (strip_test_3.stdout): Use TEST_OBJDUMP.
12777         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12778
12779 2008-04-04  Cary Coutant  <ccoutant@google.com>
12780
12781         * symtab.h (Symbol::is_weak_undefined): New function.
12782         (Symbol::is_strong_undefined): New function.
12783         (Symbol::is_absolute): New function.
12784         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12785         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12786         absolute symbols.
12787         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12788         (weak_undef_test): New target.
12789         * testsuite/Makefile.in: Rebuild.
12790         * testsuite/weak_undef_file1.cc: New file.
12791         * testsuite/weak_undef_file2.cc: New file.
12792         * testsuite/weak_undef_test.cc: New file.
12793
12794 2008-04-03  Craig Silverstein  <csilvers@google.com>
12795
12796         * compressed_output.h (class Output_compressed_section): Use
12797         unsigned buffer.
12798         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12799         add zlib header.
12800         (zlib_compressed_suffix): Removed.
12801         (Output_compressed_section::set_final_data_size): Use unsigned
12802         buffers.
12803         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12804         Fix linker invocation.
12805         (flagstest_o_specialfile_and_compress_debug_sections):
12806         Likewise.
12807         * testsuite/Makefile.in: Regenerated.
12808
12809 2008-04-02  David S. Miller  <davem@davemloft.net>
12810
12811         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12812         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12813
12814 2008-04-02  Craig Silverstein  <csilvers@google.com>
12815
12816         * TODO: New file.
12817
12818 2008-04-02  Ian Lance Taylor  <iant@google.com>
12819
12820         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12821         parameters.  Update for new key type to views_.  Change all
12822         callers.
12823         (File_read::read): Adjust for byteshift in returned view.
12824         (File_read::add_view): New function, broken out of
12825         find_and_make_view.
12826         (File_read::make_view): New function, broken out of
12827         find_and_make_view.
12828         (File_read::find_or_make_view): Add offset and aligned
12829         parameters.  Rewrite accordingly.  Change all callers.
12830         (File_read::get_view): Add offset and aligned parameters.  Adjust
12831         for byteshift in return value.
12832         (File_read::get_lasting_view): Likewise.
12833         * fileread.h (class File_read): Update declarations.
12834         (class File_read::View): Add byteshift_ field.  Add byteshift to
12835         constructor.  Add byteshift method.
12836         * archive.h (Archive::clear_uncached_views): New function.
12837         (Archive::get_view): Add aligned parameter.  Change all callers.
12838         * object.h (Object::get_view): Add aligned parameter.  Change all
12839         callers.
12840         (Object::get_lasting_view): Likewise.
12841
12842         * fileread.cc (File_read::release): Don't call clear_views if
12843         there are multiple objects.
12844         * fileread.h (File_read::clear_uncached_views): New function.
12845         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12846         on the archive.
12847
12848 2008-03-31  Cary Coutant  <ccoutant@google.com>
12849
12850         Add thin archive support.
12851         * archive.cc (Archive::armagt): New const.
12852         (Archive::setup): Remove task parameter and calls to unlock.
12853         (Archive::unlock_nested_archives): New function.
12854         (Archive::read_header): Add nested_off parameter. Change
12855         all callers.
12856         (Archive::interpret_header): Likewise.
12857         (Archive::include_all_members): Change to handle thin
12858         archives.
12859         (Archive::include_member): Likewise.
12860         * archive.h (Archive::Archive): Add new parameters and
12861         initializers.
12862         (Archive::armagt): New const.
12863         (Archive::setup): Remove task parameter.
12864         (Archive::unlock_nested_archives): New function.
12865         (Archive::read_header): Add nested_off parameter.
12866         (Archive::interpret_header): Likewise.
12867         (Archive::Nested_archive_table): New typedef.
12868         (Archive::is_thin_archive_): New field.
12869         (Archive::nested_archives_): New field.
12870         (Archive::options_): New field.
12871         (Archive::dirpath_): New field.
12872         (Archive::task_): New field.
12873         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12874         for thin archives.  Pass additional parameters to
12875         Archive::Archive.  Unlock the archive file after calling
12876         Archive::setup.
12877
12878 2008-03-29  Ian Lance Taylor  <iant@google.com>
12879
12880         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12881         version symbol to be local.
12882         * testsuite/ver_test_4.sh: New file.
12883         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12884         (check_DATA): Add ver_test_4.syms.
12885         (ver_test_4.syms): New target.
12886         * testsuite/Makefile.in: Rebuild.
12887
12888         * output.cc
12889         (Output_section::Input_section_sort_entry::has_priority): New
12890         function.
12891         (Output_section::Input_section_sort_entry::match_file_name): New
12892         function.
12893         (Output_section::Input_section_sort_entry::match_section_name):
12894         Remove.
12895         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12896         Remove.
12897         (Output_section::Input_section_sort_entry::match_section_file):
12898         Remove.
12899         (Output_section::Input_section_sort_compare::operator()): Rewrite
12900         using new Input_section_sort_entry functions.  Sort crtbegin and
12901         crtend first.  Sort sections with no priority before sections with
12902         a priority.
12903         * testsuite/initpri1.c (d3): Check j != 4.
12904         (cd5): New constructor/destructor function.
12905         (main): Check j != 2.
12906
12907         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12908         new symbol when resolving, don't call set_is_default.
12909         * testsuite/ver_test_7.cc: New file.
12910         * testsuite/ver_test_7.sh: New file.
12911         * testsuite/Makefile.am (ver_test_7.so): New target.
12912         (ver_test_7.o): New target.
12913         (check_SCRIPTS): Add ver_test_7.sh.
12914         (check_DATA): Add ver_test_7.syms.
12915         (ver_test_7.syms): New target.
12916
12917 2008-03-28  Ian Lance Taylor  <iant@google.com>
12918
12919         * layout.cc (Layout::layout): If we see an input section with a
12920         name that needs sorting, set the must_sort flag for the output
12921         section.
12922         (Layout::make_output_section): If the name of the output section
12923         indicates that it might require sorting, set the may_sort flag.
12924         * output.h (Output_section::may_sort_attached_input_sections): New
12925         function.
12926         (Output_section::set_may_sort_attached_input_sections): New
12927         function.
12928         (Output_section::must_sort_attached_input_sections): New
12929         function.
12930         (Output_section::set_must_sort_attached_input_sections): New
12931         function.
12932         (class Output_section): Declare Input_section_sort_entry.  Define
12933         Input_section_sort_compare.  Declare
12934         sort_attached_input_sections.  Add new fields:
12935         may_sort_attached_input_sections_,
12936         must_sort_attached_input_sections_,
12937         attached_input_sections_are_sorted_.
12938         * output.cc (Output_section::Output_section): Initialize new
12939         fields.
12940         (Output_section::add_input_section): Add an entry to
12941         input_sections_ if may_sort or must_sort are true.
12942         (Output_section::set_final_data_size): Call
12943         sort_attached_input_sections if necessary.
12944         (Output_section::Input_section_sort_entry): Define new class.
12945         (Output_section::Input_section_sort_compare::operator()): New
12946         function.
12947         (Output_section::sort_attached_input_sections): New function.
12948         * configure.ac: Check whether the compiler supports constructor
12949         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12950         * testsuite/initpri1.c: New file.
12951         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12952         CONSTRUCTOR_PRIORITY.
12953         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12954         (initpri1_LDFLAGS): New variable.
12955         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12956
12957 2008-03-27  Ian Lance Taylor  <iant@google.com>
12958
12959         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12960         * testsuite/common_test_1.c: New file.
12961         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12962         (common_test_1_SOURCES): New variable.
12963         (common_test_1_DEPENDENCIES): New variable.
12964         (common_test_1_LDFLAGS): New variable.
12965
12966         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12967         and commons_ correctly when NAME/VERSION does not override
12968         NAME/NULL.
12969         * testsuite/ver_test_6.c: New file.
12970         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12971         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12972         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12973
12974 2008-03-26  Ian Lance Taylor  <iant@google.com>
12975
12976         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12977         of an undefined symbol from a version script.
12978         * testsuite/Makefile.am (ver_test_5.so): New target.
12979         (ver_test_5.o): New target.
12980         (check_SCRIPTS): Add ver_test_5.sh.
12981         (check_DATA): Add ver_test_5.syms.
12982         (ver_test_5.syms): New target.
12983         * testsuite/ver_test_5.cc: New file.
12984         * testsuite/ver_test_5.script: New file.
12985         * testsuite/ver_test_5.sh: New file.
12986         * Makefile.in, testsuite/Makefile.in: Rebuild.
12987
12988         PR gold/5986
12989         Fix problems building gold with gcc 4.3.0.
12990         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12991         (gold_error_at_location, gold_warning_at_location): Use it.
12992         * configure.ac: Check whether we can compile and use a template
12993         function with a printf attribute.
12994         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12995         when jumping over bytes.
12996         * object.cc: Instantiate Object::read_section_data.
12997         * debug.h: Include <cstring>
12998         * dwarf_reader.cc: Include <algorithm>
12999         * main.cc: Include <cstring>.
13000         * options.cc: Include <cstring>.
13001         * output.cc: Include <cstring>.
13002         * script.cc: Include <cstring>.
13003         * script.h: Include <string>.
13004         * symtab.cc: Include <cstring> and <algorithm>.
13005         * target-select.cc: Include <cstring>.
13006         * version.cc: Include <string>.
13007         * testsuite/testmain.cc: Include <cstdlib>.
13008         * configure, config.in: Rebuild.
13009
13010 2008-03-25  Ian Lance Taylor  <iant@google.com>
13011
13012         * options.cc: Include "../bfd/bfdver.h".
13013         (options::help): Print bug reporting address.
13014
13015         * version.cc (print_version): Adjust output for current value of
13016         BFD_VERSION_STRING.
13017
13018         * NEWS: New file.
13019
13020         * options.cc (options::help): Print list of supported targets.
13021         * target-select.h: Include <vector>.
13022         (class Target_selector): Make machine_, size_, and is_big_endian_
13023         fields const.  Add bfd_name_ and instantiated_target_ fields.
13024         (Target_selector::Target_selector): Add bfd_name parameter.
13025         (Target_selector::recognize): Make non-virtual, call
13026         do_recognize.
13027         (Target_selector::recognize_by_name): Make non-virtual, call
13028         do_recognize_by_name.
13029         (Target_selector::supported_names): New function.
13030         (Target_selector::bfd_name): New function.
13031         (Target_selector::do_instantiate_target): New pure virtual
13032         function.
13033         (Target_selector::do_recognize): New virtual function.
13034         (Target_selector::do_recognize_by_name): New virtual function.
13035         (Target_selector::instantiate_target): New private function.
13036         (supported_target_names): Declare.
13037         * target-select.cc (Target_selector::Target_selector): Update for
13038         new parameter and fields.
13039         (select_target_by_name): Check that the name matches before
13040         calling recognize_by_name.
13041         (supported_target_names): New function.
13042         * i386.cc (class Target_selector_i386): Update Target_selector
13043         constructor call.  Remove recognize and recognize_by_name.  Add
13044         do_instantiate_target.
13045         * x86_64.cc (class Target_selector_x86_64): Likewise.
13046         * testsuite/testfile.cc (class Target_selector_test): Update for
13047         changes to Target_selector.
13048
13049         * README: Rewrite, with some notes on unsupported features.
13050
13051 2008-03-24  Cary Coutant  <ccoutant@google.com>
13052
13053         * i386.cc (Target_i386::Got_type): New enum declaration.
13054         (Target_i386::Scan::local): Updated callers of Output_data_got
13055         member functions.
13056         (Target_i386::Scan::global): Likewise.
13057         (Target_i386::Relocate::relocate): Likewise.
13058         (Target_i386::Relocate::relocate_tls): Likewise.
13059         * object.h (Got_offset_list): New class.
13060         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13061         (Sized_relobj::local_got_offset): Likewise.
13062         (Sized_relobj::set_local_got_offset): Likewise.
13063         (Sized_relobj::local_has_tls_got_offset): Removed.
13064         (Sized_relobj::local_tls_got_offset): Removed.
13065         (Sized_relobj::set_local_tls_got_offset): Removed.
13066         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13067         * output.cc (Output_data_got::add_global): Added got_type parameter.
13068         (Output_data_got::add_global_with_rel): Likewise.
13069         (Output_data_got::add_global_with_rela): Likewise.
13070         (Output_data_got::add_global_pair_with_rel): New function.
13071         (Output_data_got::add_global_pair_with_rela): New function.
13072         (Output_data_got::add_local): Added got_type parameter.
13073         (Output_data_got::add_local_with_rel): Likewise.
13074         (Output_data_got::add_local_with_rela): Likewise.
13075         (Output_data_got::add_local_pair_with_rel): New function.
13076         (Output_data_got::add_local_pair_with_rela): New function.
13077         (Output_data_got::add_global_tls): Removed.
13078         (Output_data_got::add_global_tls_with_rel): Removed.
13079         (Output_data_got::add_global_tls_with_rela): Removed.
13080         (Output_data_got::add_local_tls): Removed.
13081         (Output_data_got::add_local_tls_with_rel): Removed.
13082         (Output_data_got::add_local_tls_with_rela): Removed.
13083         * output.h (Output_data_got::add_global): Added got_type parameter.
13084         (Output_data_got::add_global_with_rel): Likewise.
13085         (Output_data_got::add_global_with_rela): Likewise.
13086         (Output_data_got::add_global_pair_with_rel): New function.
13087         (Output_data_got::add_global_pair_with_rela): New function.
13088         (Output_data_got::add_local): Added got_type parameter.
13089         (Output_data_got::add_local_with_rel): Likewise.
13090         (Output_data_got::add_local_with_rela): Likewise.
13091         (Output_data_got::add_local_pair_with_rel): New function.
13092         (Output_data_got::add_local_pair_with_rela): New function.
13093         (Output_data_got::add_global_tls): Removed.
13094         (Output_data_got::add_global_tls_with_rel): Removed.
13095         (Output_data_got::add_global_tls_with_rela): Removed.
13096         (Output_data_got::add_local_tls): Removed.
13097         (Output_data_got::add_local_tls_with_rel): Removed.
13098         (Output_data_got::add_local_tls_with_rela): Removed.
13099         * resolve.cc (Symbol::override_base_with_special): Removed
13100         reference to has_got_offset_ field.
13101         * symtab.cc (Symbol::init_fields): Replaced initialization
13102         of got_offset_ with got_offsets_.  Removed initialization
13103         of has_got_offset_
13104         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13105         (Symbol::got_offset): Likewise.
13106         (Symbol::set_got_offset): Likewise.
13107         (Symbol::has_tls_got_offset): Removed.
13108         (Symbol::tls_got_offset): Removed.
13109         (Symbol::set_tls_got_offset): Removed.
13110         (Symbol::got_offset_): Removed.
13111         (Symbol::tls_mod_got_offset_): Removed.
13112         (Symbol::tls_pair_got_offset_): Removed.
13113         (Symbol::got_offsets_): New field.
13114         (Symbol::has_got_offset): Removed.
13115         (Symbol::has_tls_mod_got_offset): Removed.
13116         (Symbol::has_tls_pair_got_offset): Removed.
13117         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13118         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13119         member functions.
13120         (Target_x86_64::Scan::global): Likewise.
13121         (Target_x86_64::Relocate::relocate): Likewise.
13122         (Target_x86_64::Relocate::relocate_tls): Likewise.
13123
13124 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13125
13126         * yyscript.y: Fix spelling error in comment.
13127
13128 2008-03-24  Ian Lance Taylor  <iant@google.com>
13129
13130         * options.h (class General_options): Define build_id option.
13131         * layout.h (class Layout): Declare write_build_id, create_note,
13132         create_build_id.  Add build_id_note_ member.
13133         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13134         "libiberty.h", "md5.h", "sha1.h".
13135         (Layout::Layout): Initialize eh_frame_data_,
13136         eh_frame_hdr_section_, and build_id_note_.
13137         (Layout::finalize): Call create_build_id.
13138         (Layout::create_note): New function, broken out of
13139         Layout::create_gold_note.
13140         (Layout::create_gold_note): Call create_note.
13141         (Layout::create_build_id): New function.
13142         (Layout::write_build_id): New function.
13143         (Close_task_runner::run): Call write_build_id.
13144
13145         * x86_64.cc: Correct license to GPLv3.
13146
13147 2008-03-23  Ian Lance Taylor  <iant@google.com>
13148
13149         * options.cc: Include "demangle.h".
13150         (parse_optional_string): New function.
13151         (parse_long_option): Handle takes_optional_argument.
13152         (parse_short_option): Update dash_z initializer.  Handle
13153         takes_optional_argument.
13154         (General_options::General_options): Initialize do_demangle_.
13155         (General_options::finalize): Set do_demangle_.  Handle demangling
13156         style.
13157         * options.h (parse_optional_string): Declare.
13158         (struct One_option): Add optional_arg field.  Update constructor.
13159         Update call constructor calls.  Add takes_optional_argument
13160         function.
13161         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13162         (DEFINE_optional_string): Define.
13163         (General_options::demangle): Change from DEFINE_bool to
13164         DEFINE_optional_string.
13165         (General_options::no_demangle): New function.
13166         (General_options::do_demangle): New function.
13167         (General_options::set_do_demangle): New function.
13168         (General_options::execstack_status_): Move definition to end of
13169         class definition.
13170         (General_options::static_): Likewise.
13171         (General_options::do_demangle_): New field.
13172         * object.cc (big_endian>::get_symbol_location_info): Call
13173         Options::do_demangle, not Options::demangle.
13174         * symtab.cc (demangle): Likewise.
13175
13176 2008-03-22  Ian Lance Taylor  <iant@google.com>
13177
13178         * gold.h: Include <cstddef> and <sys/types.h>
13179         * options.h: Include <cstring>.
13180
13181 2008-03-21  Ian Lance Taylor  <iant@google.com>
13182
13183         * Added source code to GNU binutils.