gold/ChangeLog

   1 2010-02-10  Ian Lance Taylor  <iant@google.com>
   2
   3         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
   4         queueing any tasks.
   5         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
   6         (queue_middle_tasks): Add all blockers before queueing any tasks.
   7         (queue_final_tasks): Likewise.
   8         * token.h (Task_token::add_blockers): New function.
   9         * object.h (Input_objects::number_of_relobjs): New function.
  10
  11 2010-02-10  Ian Lance Taylor  <iant@google.com>
  12
  13         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
  14         shared, not if not position independent.
  15         * x86_64.cc (Relocate::relocate_tls): Likewise.
  16         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
  17         (tls_pie_pic_test): New target.
  18         * testsuite/Makefile.in: Rebuild.
  19
  20         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
  21         (tls_test_main_pie.o, tls_test_pie.o): New targets.
  22         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
  23         * testsuite/Makefile.in: Rebuild.
  24
  25 2010-02-09  David S. Miller  <davem@davemloft.net>
  26
  27         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
  28         R_SPARC_RELATIVE using ->add_local_relative().
  29         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
  30
  31         * output.h (Output_data_dynamic::add_section_size): New method
  32         that takes two Output_data objects.
  33         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
  34         entry param.  Handle it in initializers.
  35         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
  36         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
  37         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
  38         arg.
  39         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
  40         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
  41         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
  42         for dynrel_includes_plt.
  43         * i386.cc (Target_i386::do_finalize_sections): Likewise.
  44         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
  45         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
  46         before .rela.plt
  47         (Target_sparc::do_finalize_sections): Update to pass true for
  48         dynrel_includes_plt.
  49         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
  50         output before .rela.plt
  51         (Target_powerpc::do_finalize_sections): Update to pass true for
  52         dynrel_includes_plt when 32-bit.
  53
  54 2010-02-08  Doug Kwan  <dougkwan@google.com>
  55
  56         * arm.cc (Arm_relobj::simple_input_section_output_address): New
  57         method.
  58         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
  59         Arm_relobj::scan_section_for_cortex_a8_stubs,
  60         Arm_relobj::do_relocation_section): Instead of calling
  61         Output_section::output_address, use faster
  62         Arm_relobj::simple_input_section_output_address.
  63
  64 2010-02-08  David S. Miller  <davem@davemloft.net>
  65
  66         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
  67         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
  68         relocation helper function.
  69
  70         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
  71         just like R_SPARC_GOT{10,13,22}.
  72         (Target_sparc::Scan::local): Likewise.
  73         (Target_sparc::Relocate:relocate): Likewise.
  74
  75 2010-02-06  Ian Lance Taylor  <iant@google.com>
  76
  77         * configure.ac: Rewrite targetobjs duplicate removal code to use
  78         only shell constructs.
  79         * configure: Rebuild.
  80
  81 2010-02-05  Doug Kwan  <dougkwan@google.com>
  82
  83         PR 11247
  84         * arm.cc (Arm_relobj::section_is_scannable): New method.
  85         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
  86         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
  87
  88 2010-02-04  Doug Kwan  <dougkwan@google.com>
  89
  90         PR 11247
  91         * arm-reloc-property.cc (cstdio): Include.
  92         * configure.ac (targetobjs): Remove duplicates.
  93         * configure: Regenerate.
  94         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
  95         big and little endian version for a given address size.
  96
  97 2010-02-03  Doug Kwan  <dougkwan@google.com>
  98
  99         * arm-reloc-property.cc
 100         (Arm_reloc_property_table::reloc_name_in_error_message): New method
 101         definition.
 102         * arm-reloc-property.h
 103         (Arm_reloc_property_table::get_implemented_static_reloc_property):
 104         New method definition.
 105         (Arm_reloc_property_table::reloc_name_in_error_message): New method
 106         declaration.
 107         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
 108         overflow to N.
 109         (GOT_PREL): Change implemented to Y.
 110         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
 111         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
 112         (Arm_relocate_functions::movw_abs_nc): Remove method.
 113         (Arm_relocate_functions::movt_abs): Ditto.
 114         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
 115         (Arm_relocate_functions::thm_movt_abs): Ditto.
 116         (Arm_relocate_functions::movw_rel_nc): Ditto.
 117         (Arm_relocate_functions::movw_rel): Ditto.
 118         (Arm_relocate_functions::movt_rel): Ditto.
 119         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
 120         (Arm_relocate_functions:thm_movw_rel): Ditto.
 121         (Arm_relocate_functions:thm_movt_rel): Ditto.
 122         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
 123         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
 124         New method definitions.
 125         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
 126         (Arm_relocation_functions::arm_grp_ldr): Ditto.
 127         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
 128         (Arm_relocation_functions::arm_grp_ldc): Ditto.
 129         (Target_arm::Relocate::relocate): Check for non-static or
 130         unimplemented relocation code and exit early.  Change calls to
 131         Target_arm::reloc_uses_thumb_bit and
 132         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
 133         instead.  Refactor code to handle similar relocations to increase
 134         code sharing.  Remove check for unsupported relocation code in switch
 135         statement.
 136         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
 137         relocation property table to find out size.  Change error message to
 138         print out the name of a relocation code instead of the numeric value.
 139         (Target_arm::scan_reloc_for_stub): Use relocation property table
 140         instead of calling Target_arm::reloc_uses_thumb_bit().
 141
 142 2010-02-02  Doug Kwan  <dougkwan@google.com>
 143
 144         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
 145         types of relaxed input section.
 146
 147 2010-02-02  Doug Kwan  <dougkwan@google.com>
 148
 149         * Makefile.am (HFILES): Add arm-reloc-property.h.
 150         (DEFFILES): New.
 151         (TARGETSOURCES): Add arm-reloc-property.cc
 152         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
 153         (libgold_a_SOURCES): $(DEFFILES)
 154         * Makefile.in: Regenerate.
 155         * arm-reloc-property.cc: New file.
 156         * arm-reloc-property.h: New file.
 157         * arm-reloc.def: New file.
 158         * arm.cc: Update comments.
 159         (arm-reloc-property.h): New included header.
 160         (arm_reloc_property_table): New global variable.
 161         (Target_arm::do_select_as_default_target): New method definition.
 162         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
 163         arm-reloc-property to targ_extra_obj.
 164         * parameters.cc (set_parameters_target): Call
 165         Target::select_as_default_target().
 166         * target.h (Target::select_as_default_target): New method definition.
 167         (Target::do_select_as_default_target): Same.
 168
 169 2010-02-01  Doug Kwan  <dougkwan@google.com>
 170
 171         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
 172         first_output_text_section_.
 173         (Arm_exidx_fixup::first_output_text_section): New method definition.
 174         (Arm_exidx_fixup::first_output_text_section_): New data member.
 175         (Arm_exidx_fixup::process_exidx_section): Record the first text
 176         output section seen.
 177         (Arm_output_section::fix_exidx_coverage): Set correct linked section
 178         and entsize in output section header.
 179
 180 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 181
 182         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
 183         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
 184         (Arm_relocate_functions::thm_alu11): New Method.
 185         (Arm_relocate_functions::thm_pc8): New Method.
 186         (Arm_relocate_functions::thm_pc12): New Method.
 187         (Target_arm::Scan::local): Handle the relocations.
 188         (Target_arm::Scan::global): Likewise.
 189         (Target_arm::Relocate::relocate): Likewise.
 190         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
 191
 192 2010-01-29  Doug Kwan  <dougkwan@google.com>
 193
 194         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
 195         of relocation types as ld.
 196
 197 2010-01-29  Doug Kwan  <dougkwan@google.com>
 198
 199         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
 200         to public.
 201         (Arm_relocate_functions::thumb_branch_common): Ditto.
 202         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
 203         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
 204         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
 205         Arm_relocate_functions::jump24): Remove.
 206         (Target_arm::Relocate::relocate): Adjust code to call
 207         Arm_relocation_functions::arm_branch_common and
 208         Arm_relocation_functions::thumb_branch_common instead of their removed
 209         wrappers.  Merge switch-cases together to reduce source code size.
 210
 211 2010-01-29  Doug Kwan  <dougkwan@google.com>
 212
 213         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
 214         output_local_symbol_count_needs_update_.
 215         (Arm_relobj::output_local_symbol_count_needs_update,
 216          Arm_relobj::set_output_local_symbol_count_needs_update,
 217          Arm_relobj::update_output_local_symbol_count): New methods.
 218         (Arm_relobj::output_local_symbol_count_needs_update_): New data
 219         member.
 220         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
 221         of pointed function as in a R_ARM_PREL31 relocation.
 222         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
 223         for output local symbol count updating.
 224         (Target_arm::do_relax): Update output local symbol counts in objects
 225         if necessary.
 226         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
 227
 228 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 229
 230         * arm.cc: Added support for the ARM relocations:
 231         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
 232         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
 233         (Arm_relocate_functions::movw_rel_nc): Renamed (was
 234         movw_prel_nc).
 235         (Arm_relocate_functions::movw_rel): New method.
 236         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
 237         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
 238         thm_movw_prel_nc).
 239         (Arm_relocate_functions::thm_movw_rel): New method.
 240         (Arm_relocate_functions::thm_movt_rel): Renamed (was
 241         thm_movt_prel).
 242         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
 243         relocations.
 244         (Target_arm::Scan::global): Likewise.
 245         (Target_arm::Relocate::relocate): Likewise.
 246         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 247         Likewise.
 248
 249 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 250
 251         * arm.cc: Added support for ARM group relocations.
 252         (Target_arm::reloc_needs_sym_origin): New method.
 253         (Arm_relocate_functions::calc_grp_kn): New method.
 254         (Arm_relocate_functions::calc_grp_residual): New method.
 255         (Arm_relocate_functions::calc_grp_gn): New method.
 256         (Arm_relocate_functions::arm_grp_alu): New Method.
 257         (Arm_relocate_functions::arm_grp_ldr): New Method.
 258         (Arm_relocate_functions::arm_grp_ldrs): New Method.
 259         (Arm_relocate_functions::arm_grp_ldc): New Method.
 260         (Target_arm::Scan::local): Handle the ARM group relocations.
 261         (Target_arm::Scan::global): Likewise.
 262         (Target_arm::Relocate::relocate): Likewise.
 263         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 264         Likewise.
 265
 266 2010-01-26  Doug Kwan  <dougkwan@google.com>
 267
 268         * arm.cc (set): Include.
 269         (class Arm_exidx_fixup): Change type of last_input_section_ to const
 270         pointer type.
 271         (Arm_output_section::Text_section_list): New type.
 272         (Arm_output_section::append_text_sections_to_list): New method.
 273         (Arm_output_section::fix_exidx_coverage): Ditto.
 274         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
 275         (Arm_relobj::convert_input_section_to_relaxed_section): Use
 276         Relobj::set_section_offset() instead of
 277         Sized_relobj::invalidate_section_offset().
 278         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
 279         parameter for section headers. Ignore relocation sections for
 280         unallocated sections and EXIDX sections.
 281         (Target_arm::fix_exidx_coverage): New method.
 282         (Target_arm::output_section_address_less_than): New type.
 283         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
 284         linked text section instead of the EXIDX section.
 285         (Arm_output_section::create_stub_group): Add an assertion to check
 286         that this is not an EXIDX output section.
 287         (Arm_output_section::append_text_sections_to_list): New method.
 288         (Arm_output_section::fix_exidx_coverage): Ditto.
 289         (Arm_relobj::scan_sections_for_stubs): Adjust call to
 290         Arm_relobj::section_needs_reloc_stub_scanning.
 291         (Target_arm::do_relax): Fix EXIDX output section coverage in the
 292         first pass.
 293         (Target_arm::fix_exidx_coverage): New method.
 294         * object.h (Relobj::set_output_section): New method.
 295         (Sized_relobj::invalidate_section_offset): Remove method.
 296         (Sized_relobj::do_invalidate_section_offset): Remove method.
 297         (Sized_relobj::do_set_section_offset): Handle offset value -1.
 298
 299 2010-01-25  Doug Kwan  <dougkwan@google.com>
 300
 301         * arm.cc (Arm_exidx_merged_section::do_output_offset):
 302         Fix warning due to signed and unsigned comparison on a 32-bit host.
 303
 304 2010-01-22  Doug Kwan  <dougkwan@google.com>
 305
 306         * arm.cc (Target_arm::do_relax): Record an output section for section
 307         offset adjustment it contains any stub table that has changed.
 308         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
 309         offsets in an output section if necessary.
 310         * output.cc (Output_section::Output_section): Initialize
 311         section_offsets_need_adjustments_.
 312         (Output_section::add_input_section_for_script): Renamed to
 313         Output_section::add_simple_input_section.
 314         (Output_section::save_states): Add a comment.
 315         (Output_section::discard_states): New method defintion.
 316         (Output_section::adjust_section_offsets): Same.
 317         * output.h (Output_section::add_input_section_for_script): Renamed to
 318         Output_section::add_simple_input_section.
 319         (Output_section::discard_states): New method declaration.
 320         (Output_section::adjust_section_offsets): Same.
 321         (Output_section::section_offsets_need_adjustment,
 322         Output_section::set_section_offsets_need_adjustment): New method
 323         definitions.
 324         (Output_section::section_offsets_need_adjustment_): New data member.
 325         * script-sections.cc
 326         (Output_section_element_input::set_section_address): Adjust code for
 327         renaming of Output_section::add_input_section_for_script.
 328         (Orphan_output_section::set_section_address): Same.
 329
 330 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 331
 332         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
 333         Fix_v4bx enum values .
 334         * gold/options.h (General_options): New option definitions.
 335         (General_options::fix_v4bx): New method.
 336         (General_options::Fix_v4bx): New enum.
 337         * gold/options.cc (General_options::parse_fix_v4bx): New method.
 338         (General_options::parse_fix_v4bx_interworking): New method.
 339
 340 2010-01-22  Doug Kwan  <dougkwan@google.com>
 341
 342         * arm.cc (Arm_exidx_fixup): New class.
 343
 344 2010-01-21  Doug Kwan  <dougkwan@google.com>
 345
 346         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
 347         classes.
 348         (Arm_exidx_section_offset_map): New type.
 349
 350 2010-01-21  Doug Kwan  <dougkwan@google.com>
 351
 352         * arm.cc (Arm_exidx_input_section): New class.
 353         (Arm_relobj::exidx_input_section_by_link,
 354         Arm_relobj::exidx_input_section_by_shndx,
 355         Arm_relobj::make_exidx_input_section): New methods.
 356         (read_arm_attributes_section): Remove.
 357         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
 358         information about them.
 359         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
 360         to here.
 361
 362 2010-01-20  Doug Kwan  <dougkwan@google.com>
 363
 364         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
 365         Input_section_specifier to Section_id.
 366         (Target_arm::new_arm_input_section: Adjust code for change of key
 367         type.
 368         (Target_arm::find_arm_input_section): Ditto.
 369         * gc.h (object.h): Include for Section_id nand Section_id_hash.
 370         (Section_id): Remove.
 371         (Garbage_collection::Section_id_hash): Remove.
 372         * icf.h (object.h): Include for Section_id nand Section_id_hash.
 373         (Section_id): Remove.
 374         (Icf::Section_id_hash): Remove.
 375         * object.h (Section_id, Const_section_id, Section_id_hash,
 376         Const_section_id_hash): New type definitions.
 377         * output.cc (Output_section::add_relaxed_input_section): Change to
 378         use Const_section_id instead of Input_section_specifier as key type.
 379         (Output_section::add_merge_input_section): Ditto.
 380         (Output_section::build_relaxation_map): Change to use Section_id
 381         instead of Input_section_specifier as key type.
 382         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
 383         Ditto.
 384         (Output_section::convert_input_sections_to_relaxed_sections): Change
 385         to use Const_section_id instead of Input_section_specifier as key type.
 386         (Output_section::find_merge_section): Ditto.
 387         (Output_section::find_relaxed_input_section): Ditto.
 388         * output.h (Input_section_specifier): Remove class.
 389         (Output_section::Output_section_data_by_input_section_map): Change
 390         key type to Const_section_id.
 391         (Output_section::Output_relaxed_input_section_by_input_section_map):
 392         Ditto.
 393         (Output_section::Relaxation_map): Change key type to Section_id.
 394
 395 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 396
 397         * gold/arm.cc: Added support for R_ARM_V4BX relocation
 398         (class Arm_v4bx_stub): New class.
 399         (DEF_STUBS): Updated definition to support v4_veneer_bx.
 400         (Stub_factory::make_arm_v4bx_stub): New method.
 401         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
 402         (Stub_table::empty): Handle v4bx stubs.
 403         (Stub_table::add_arm_v4bx_stub): New method.
 404         (Stub_table::find_arm_v4bx_stub): New method.
 405         (Arm_relocate_functions::v4bx): New method.
 406         (Target_arm::fix_v4bx): New method.
 407         (Target_arm::Target_arm): Handle R_ARM_V4BX.
 408         (Stub_table::relocate_stubs): Likewise.
 409         (Stub_table::do_write): Likewise.
 410         (Stub_table::update_data_size_and_addralign): Likewise.
 411         (Stub_table::finalize_stubs):  Likewise.
 412         (Target_arm::Scan::local): Likewise.
 413         (Target_arm::Scan::global): Likewise.
 414         (Target_arm::do_finalize_sections): Likewise.
 415         (Target_arm::Relocate::relocate): Likewise.
 416         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 417         Likewise.
 418         (Target_arm::scan_reloc_for_stub): Likewise.
 419         (Target_arm::scan_reloc_section_for_stubs): Likewise.
 420
 421 2010-01-19  Ian Lance Taylor  <iant@google.com>
 422
 423         * output.cc (Output_section_headers::do_sized_write): Write large
 424         segment count to sh_info field.
 425         (Output_file_header::do_sized_write): For large segment count,
 426         write PN_XNUM to e_phnum field.
 427
 428 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 429
 430         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
 431         (Arm_relocate_functions::thm_jump8): New function.
 432         (Arm_relocate_functions::thm_jump11): New function.
 433         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
 434         R_ARM_THM_JUMP11.
 435         (Target_arm::Scan::global): Likewise.
 436         (Target_arm::Relocate::relocate): Likewise.
 437         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 438         Likewise.
 439
 440 2010-01-14  Doug Kwan  <dougkwan@google.com>
 441
 442         * arm.cc (map, utility): Include headers.
 443         (Target_arm::apply_cortex_a8_workaround): New method.
 444         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
 445         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
 446         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
 447         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
 448         the --[no-]fix-cortex-a8 command line options.
 449         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
 450         (Target_arm::relocate_stub): Use addend in instruction template.
 451         * options.h (DEFINE_bool): Set the user-set flag.
 452         (General_options): Add --[no-]-fix-cortex options.
 453         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
 454         : Update fast look-up map after conversion.
 455
 456 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
 457
 458         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
 459         in the first pass of do_layout.
 460
 461 2010-01-13  Doug Kwan  <dougkwan@google.com>
 462
 463         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
 464         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
 465         apparent compiler problem of not folding static constant integral
 466         data members of elfcpp::Elf_sizes<32>.
 467
 468 2010-01-13  Doug Kwan  <dougkwan@google.com>
 469
 470         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
 471         Arm_relobj::section_needs_cortex_a8_stub_scanning,
 472         Arm_relobj::scan_section_for_cortex_a8_erratum,
 473         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
 474         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
 475         sections to scan for relocation stubs into a new method
 476         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
 477         relocation and Cortex-A8 stub scanning.
 478         (Target_arm::do_relax): Force stubs to be after stubbed sections
 479         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
 480         the beginning of a new relaxation pass.  Update a comment.
 481         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
 482
 483 2010-01-12  Ian Lance Taylor  <iant@google.com>
 484
 485         * target-reloc.h (visibility_error): New inline function.
 486         (relocate_section): Call visibility_error.
 487         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
 488         (MOSTLYCLEANFILES): Likewise.
 489         (protected_4_pic.o, protected_3.err): New targets.
 490         * testsuite/protected_4.cc: New file.
 491
 492 2010-01-12  Doug Kwan  <dougkwan@google.com>
 493
 494         * arm.cc (Cortex_a8_reloc): New class.
 495         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
 496         and cortex_a8_relocs_info_.
 497         (Target_arm::fix_cortex_a8): New method definition.
 498         (Target_arm::Cortex_a8_relocs_info): New type.
 499         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
 500         New data member declarations.
 501         (Target_arm::scan_reloc_for_stub): Record information about
 502         relocations for THUMB branches that might be exempted from the
 503         Cortex-A8 workaround.
 504         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
 505         at the beginning of a relaxation pass.
 506
 507 2010-01-12  Doug Kwan  <dougkwan@google.com>
 508
 509         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
 510         (Arm_relobj::Mapping_symbol_position,
 511          Arm_reloj::Mapping_symbol_position_less,
 512          Arm_relobj::Mapping_symbols_info): New types.
 513         (Target_arm::is_mapping_symbol_name): New method definition.
 514         (Arm_relobj::do_count_local_symbols): Save information about mapping
 515         symbols.
 516
 517 2010-01-11  Doug Kwan  <dougkwan@google.com>
 518
 519         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
 520         Arm_relocate_functions::thumb32_branch_upper,
 521         Arm_relocate_functions::thumb32_branch_lower,
 522         Arm_relocate_functions::thumb32_cond_branch_offset,
 523         Arm_relocate_functions::thumb32_cond_branch_upper,
 524         Arm_relocate_functions::thumb32_cond_branch_lower,
 525         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
 526         branch offset encoding.
 527         (Arm_relocate_functions::thumb_branch_common): Use new branch
 528         offset encoding methods to avoid code duplication.
 529         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
 530         (Stub_addend_reader::operator()): Use new branch encoding method
 531         to avoid code duplication.
 532
 533 2010-01-11  Doug Kwan  <dougkwan@google.com>
 534
 535         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
 536         (Target_arm::do_finalize_sections): Define special EXIDX section
 537         symbols only if referenced.
 538         * gc.h (Garbage_collection::add_reference): New method.
 539         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
 540         code duplication.
 541
 542 2010-01-11  Ian Lance Taylor  <iant@google.com>
 543
 544         * script.cc (Version_script_info::build_expression_list_lookup):
 545         Change complaing about duplicate wildcard match from error to
 546         warning.
 547
 548         * script.cc (class Lazy_demangler): Recreate--revert part of patch
 549         of 2009-12-30.
 550         (Version_script_info::Version_script_info): Initialize globs_,
 551         default_version_, default_is_global_, and exact_.  Don't
 552         initialize globals_ or locals_.
 553         (Version_script_info::build_lookup_tables): Build local symbols
 554         first.
 555         (Version_script_info::unquote): New function.
 556         (Version_script_info::add_exact_match): New function.
 557         (Version_script_info::build_expression_list_lookup): Remove lookup
 558         parameter.  Add is_global parameter.  Change all callers.  Handle
 559         wildcard pattern specially.  Unquote pattern.  Call
 560         add_exact_match.
 561         (Version_script_info::get_name_to_match): New function.
 562         (Version_script_info::get_symbol_version): New function.
 563         (Version_script_info::get_symbol_version_helper): Remove.
 564         (Version_script_info::check_unmatched_names): Call unquote.
 565         * script.h (class Version_script_info): Change get_symbol_version
 566         to be non-inline and add is_global parameter; change all callers.
 567         Rewrite symbol_is_local.  Update declarations.  Define struct
 568         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
 569         Remove globals_ and locals_ members.  Add exact_, globs_,
 570         default_version_, is_global_.
 571         (Version_script_info::Glob): Remove pattern, add expression and
 572         is_global.  Update constructor.  Change all callers.
 573         * dynobj.cc (Versions::finalize): Mark the version symbol as the
 574         default version.
 575         (Versions::symbol_section_contents): If a symbol is undefined, or
 576         defined in a dynamic object, set the version index to
 577         VER_NDX_LOCAL.
 578         * symtab.cc (Symbol_table::add_from_relobj): Don't call
 579         symbol_is_local.
 580         (Symbol_table::add_from_pluginobj): Likewise.
 581         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
 582
 583 2010-01-11  Doug Kwan  <dougkwan@google.com>
 584
 585         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
 586         (incremental_dump_LDADD): Add linking option for libintl.
 587         * Makefile.in: Regenerate.
 588
 589 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
 590
 591         PR gold/11144
 592         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
 593         instead of -Ds.
 594         * testsuite/Makefile.in: Regenerated.
 595
 596 2010-01-10  Doug Kwan  <dougkwan@google.com>
 597
 598         * options.h (DEFINE_var): Use parentheses around argument varname__
 599         in macro body to avoid any unintended subsequent substitutions.
 600
 601 2010-01-10  Ian Lance Taylor  <iant@google.com>
 602
 603         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
 604         candidates before doing symbol resolution.
 605
 606         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
 607         ODR candidates if only one is weak.
 608
 609 2010-01-08  Ian Lance Taylor  <iant@google.com>
 610
 611         * script.cc (Version_script_info::build_expression_list_lookup):
 612         Don't warn about ambiguous version, just record the ambiguity.
 613         (Version_script_info::get_symbol_version_helper): Give error if
 614         version is ambiguous.
 615
 616 2010-01-08  Doug Kwan  <dougkwan@google.com>
 617
 618         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
 619           prev_data_size_ and prev_addralign_.  Remove initializer for
 620           deleted data member has_been_changed_.
 621           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
 622           to determine if the table is empty.
 623           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
 624           Remove.
 625           (Stub_table::add_reloc_stub): Define method in class definition
 626           instead of just declaring it there.
 627           (Stub_table::add_cortex_a8_stub): New method definition.
 628           (Stub_table::update_data_size_and_addralign): Ditto.
 629           (Stub_table::finalize_stubs): Ditto.
 630           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
 631           (Stub_table::do_addralign_): Return address alignment in the
 632           (Stub_table::do_reset_address_and_file_offset): Define method in
 633           class definition instead of declaring it there.  Set current data
 634           size to be the data size of the previous pass.
 635           (Stub_table::set_final_data_size): Use current data size as the
 636           final data size.
 637           (Stub_table::relocate_stub): Change parameter type of stub from
 638           Reloc_stub pointer to Stub pointer.
 639           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
 640           (Stub_table::Cortex_a8_stub_list): New typedef.
 641           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
 642            Stub_table::prev_addralign_): New data member.
 643           (Arm_relobj::Arm_relobj): Initialize data member
 644           section_has_cortex_a8_workaround_.
 645           (Arm_relobj::section_has_cortex_a8_workaround,
 646            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
 647            definitions.
 648           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
 649           declarations.
 650           (Target_arm::relocate_stub): Change parameter type of stub from
 651           Reloc_stub pointer to Stub pointer.
 652           (Insn_template::size, Insn_template::alignment): Handle
 653           THUMB16_SPECIAL_TYPE.
 654           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
 655            Stub_table::update_data_size_and_addralign,
 656            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
 657           definitions.
 658           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
 659           (Stub_table::do_write): Ditto.
 660           (Target_arm::do_relax): Adjust code for changes in Stub_table.
 661
 662 2010-01-08  Ian Lance Taylor  <iant@google.com>
 663
 664         PR 11108
 665         * symtab.h (class Symbol): Remove fields is_target_special_ and
 666         has_plt_offset_.  Add field is_defined_in_discarded_section_.
 667         (Symbol::is_defined_in_discarded_section): New function.
 668         (Symbol::set_is_defined_in_discarded_section): New function.
 669         (Symbol::has_plt_offset): Rewrite.
 670         (Symbol::set_plt_offset): Verify that new offset is not -1U.
 671         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
 672         Don't initialize is_target_special_ or has_plt_offset_.
 673         Initialize is_defined_in_discarded_section_.
 674         (Symbol_table::add_from_relobj): If appropriate, set
 675         is_defined_in_discarded_section.
 676         * resolve.cc (Symbol::override_base_with_special): Don't test
 677         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
 678         * target-reloc.h (relocate_section): Do special handling for
 679         symbols defined in discarded sections for global symbols as well
 680         as local symbols.
 681
 682 2010-01-08  Ian Lance Taylor  <iant@google.com>
 683
 684         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
 685         the SHT_SYMTAB case.
 686
 687 2010-01-08  Ian Lance Taylor  <iant@google.com>
 688
 689         * object.cc (Sized_relobj::do_layout): Don't get confused if
 690         layout_eh_frame returns NULL.
 691
 692 2010-01-08  Ian Lance Taylor  <iant@google.com>
 693
 694         PR 11084
 695         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
 696         dynamic symbol table, use the normal symbol table.
 697         (Sized_dynobj::do_read_symbols): Remove assertion about type of
 698         symbol table.
 699
 700 2010-01-08  Ian Lance Taylor  <iant@google.com>
 701
 702         PR 11072
 703         * layout.cc (Layout::include_section): Remove .gnu_debuglink
 704         sections.
 705
 706 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
 707
 708         * version.cc (print_version): Change to "Copyright 2010".
 709
 710 2010-01-08  Ian Lance Taylor  <iant@google.com>
 711
 712         PR 10287
 713         PR 11063
 714         * i386.cc (class Target_i386): Change return type of plt_section
 715         to be non-const.
 716         (class Output_data_plt_i386): Add tls_desc_rel_ field.
 717         (Output_data_plt_i386::Output_data_plt_i386): Initialize
 718         tls_desc_rel_ field.
 719         (Output_data_plt_i386::rel_tls_desc): New function.
 720         (Target_i386::rel_tls_desc_section): New function.
 721         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
 722         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
 723         R_386_TLS_DESC reloc in rel_tls_desc_section.
 724         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
 725         Define struct Tlsdesc_info.
 726         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
 727         (Target_x86_64::do_reloc_symbol_index): New function.
 728         (Target_x86_64::add_tlsdesc_info): New function.
 729         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
 730         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
 731         tlsdesc_rel_ field.
 732         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
 733         all callers.
 734         (Output_data_plt_x86_64::rela_tlsdesc): New function.
 735         (Target_x86_64::rela_tlsdesc_section): New function.
 736         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
 737         handling.
 738         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
 739         (Target_x86_64::do_reloc_addend): New function.
 740         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
 741         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
 742         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
 743         (Output_reloc::type): New function.
 744         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
 745         (Output_reloc::is_target_specific): New function.
 746         (Output_reloc::target_arg): New function.
 747         (class Output_reloc) [SHT_RELA]: Add four new constructors for
 748         absolute relocs and target specific relocs.
 749         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
 750         add_target_specific.
 751         (class Output_data_reloc) [SHT_RELA]: Likewise.
 752         * output.cc (Output_reloc::Output_reloc): Add four new versions
 753         for absolute relocs and target specific relocs.
 754         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
 755         (Output_reloc::get_symbol_index): Likewise.
 756         (Output_reloc::local_section_offset): Check that local_sym_index_
 757         is not TARGET_CODE or 0.
 758         (Output_reloc::symbol_value): Likewise.
 759         (Output_reloc::write) [SHT_RELA]: Call target for target specific
 760         reloc.
 761         * target.h (class Target): Add reloc_symbol_index and reloc_addend
 762         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
 763         functions.
 764         * layout.cc (add_target_dynamic_tags): Use output section for
 765         DT_PLTRELSZ and DT_JMPREL.
 766
 767 2010-01-07  Ian Lance Taylor  <iant@google.com>
 768
 769         PR 11061
 770         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
 771         function.
 772         (class Output_data_reloc_generic): Define.
 773         (class Output_data_reloc_base): Change base class to
 774         Output_data_reloc_generic.  Change add() method to call
 775         bump_relative_reloc_count for a relative reloc.  Remove
 776         sort_relocs_ field.
 777         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
 778         to sort_relocs().
 779         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
 780         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
 781         appropriate.
 782         * layout.h (class Layout): Update declaration.
 783
 784 2010-01-07  Ian Lance Taylor  <iant@google.com>
 785
 786         * output.h (class Output_data): Add const version of
 787         output_section and do_output_section.
 788         (class Output_section_data): Add const version of
 789         do_output_section.
 790         (class Output_section): Likewise.
 791         * layout.cc (Layout::add_target_dynamic_tags): New function.
 792         * layout.h (class Layout): Update declarations.
 793         * arm.cc (Target_arm::do_finalize_sections): Use
 794         add_target_dynamic_tags.
 795         * i386.cc (Target_i386::do_finalize_sections): Likewise.
 796         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
 797         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
 798         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 799
 800 2010-01-07  Ian Lance Taylor  <iant@google.com>
 801
 802         PR 11042
 803         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
 804         object as needed.
 805
 806 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
 807             Ian Lance Taylor  <iant@google.com>
 808
 809         PR 11019
 810         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
 811         Xindex::read_symtab_xindex.
 812
 813 2010-01-07  Doug Kwan  <dougkwan@google.com>
 814
 815         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
 816         (Insn_template::thumb16_bcond_insn): New method declaration.
 817         (Insn_template): Fix spelling.
 818         (Stub::thumb16_special): New method declaration.
 819         (Stub::do_write): Define virtual method which was previously pure
 820         virtual.
 821         (Stub::do_thumb16_special): New method declaration.
 822         (Stub::do_fixed_endian_write): New template member.
 823         (Reloc_stub::do_write): Remove.
 824         (Reloc_stub::do_fixed_endian_write): Remove.
 825         (Cortex_a8_stub): New class definition.
 826         (Stub_factory::make_cortex_a8_stub): New method definition.
 827         (Stub_factory::Stub_factory): Add missing static storage class
 828         qualifier for elf32_arm_stub_a8_veneer_blx.
 829
 830 2010-01-07  Ian Lance Taylor  <iant@google.com>
 831
 832         PR 10980
 833         * options.h (class General_options): Add --warn-unresolved-symbols
 834         and --error-unresolved-symbols.
 835         * errors.cc (Errors::undefined_symbol): Implement
 836         --warn-unresolved-symbols.
 837
 838         * options.h (class General_options): Add -z text and -z textoff.
 839         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
 840
 841 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
 842
 843         * gc.h (Garbage_collection::Cident_section_map): New typedef.
 844         (Garbage_collection::cident_sections): New function.
 845         (Garbage_collection::add_cident_section): New function.
 846         (Garbage_collection::cident_sections_): New member.
 847         (gc_process_relocs): Add references to sections whose names are C
 848         identifiers.
 849         * gold.h (cident_section_start_prefix): New constant.
 850         (cident_section_stop_prefix): New constant.
 851         (is_cident): New function.
 852         * layout.cc (Layout::define_section_symbols): Replace string constants
 853         with the newly defined constants.
 854         * object.cc (Sized_relobj::do_layout): Track sections whose names are
 855         C identifiers.
 856         * testsuite/Makefile.am: Add gc_orphan_section_test.
 857         * testsuite/Makefile.in: Regenerate.
 858         * testsuite/gc_orphan_section_test.cc: New file.
 859         * testsuite/gc_orphan_section_test.sh: New file.
 860
 861 2010-01-06  Ian Lance Taylor  <iant@google.com>
 862
 863         PR 10980
 864         * options.h (class General_options): Add --warn-shared-textrel.
 865         * layout.cc (Layout::finish_dynamic_section): Implement
 866         --warn-shared-textrel.
 867
 868         PR 10980
 869         * options.h (class General_options): Add --warn-multiple-gp.
 870
 871 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 872
 873         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
 874         $(THREADSLIB) and $(LIBDL).
 875         * Makefile.in: Rebuild.
 876
 877 2010-01-06  Ian Lance Taylor  <iant@google.com>
 878
 879         PR 10980
 880         * options.cc (General_options::parse_section_start): New function.
 881         (General_options::section_start): New function.
 882         (General_options::General_options): Initialize all members.
 883         * options.h: Include <map>
 884         (class General_options): Add --section-start.  Add section_starts_
 885         member.
 886         * layout.cc (Layout::attach_allocated_section_to_segment): If
 887         --section-start was used, set the address of the segment.  Remove
 888         local sort_sections.
 889         (Layout::relaxation_loop_body): If the address of the load segment
 890         has been set by --section-start, don't use it.
 891         * output.h (Output_segment::update_flags_for_output_section): New
 892         function.
 893         * output.cc (Output_segment::add_output_section): Call
 894         update_flags_for_output_section.
 895
 896 2010-01-05  Ian Lance Taylor  <iant@google.com>
 897
 898         PR 10980
 899         * options.h (class General_options): Add --undefined-version.
 900         * script.cc (struct Version_expression): Add was_matched_by_symbol
 901         field.
 902         (Version_script_info::matched_symbol): New function.
 903         (Version_script_info::get_symbol_version_helper): Call
 904         matched_symbol.
 905         (Version_script_info::check_unmatched_names): New function.
 906         * script.h (class Version_script_info): Update declarations.
 907         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
 908
 909         * options.h (class General_options): Use DEFINE_bool_alias for
 910         allow_multiple_definition.
 911         * resolve.cc (Symbol_table::should_override): Don't test
 912         allow_multiple_definition.
 913
 914         PR 10980
 915         * options.h (class General_options): Add --cref.
 916         * main.cc (main): Print cref table if --cref.  Don't close mapfile
 917         until after printing cref table.
 918         * cref.cc: Include "symtab.h".
 919         (class Cref_inputs): Define Cref_table_compare and Cref_table.
 920         (Cref_table_compare::operator()): New function.
 921         (Cref_inputs::gather_cref): New function.
 922         (filecol): New static const.
 923         (Cref_inputs::print_cref): New function.
 924         (Cref::print_cref): New function.
 925         * cref.h: Include <cstdio>.
 926         (class Cref): Update declarations.
 927         * mapfile.h (Mapfile::file): New function.
 928         * object.h (class Object): Define Symbols.  Declare virtual
 929         do_get_global_symbols.
 930         (Object::get_global_symbols): New function.
 931         * object.cc (Input_objects::add_object): Pass object to cref_ if
 932         --cref.
 933         (Input_objects::archive_start): Likewise.
 934         (Input_objects::archive_stop): Likewise.
 935         (Input_objects::print_cref): New function.
 936         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
 937         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
 938         --cref.
 939         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
 940         function.
 941         * plugin.h (class Sized_pluginobj): Update declarations.
 942
 943 2010-01-05  Ian Lance Taylor  <iant@google.com>
 944
 945         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
 946         to is_default_version.  Rename insdef to insdefault.
 947         (Symbol_table::add_from_relobj): Rename def to is_default_version
 948         and local to is_forced_local.
 949         (Symbol_table::add_from_pluginobj): Likewise.
 950         (Symbol_table::add_from_dynobj): Likewise.
 951         (Symbol_table::define_special_symbol): Rename insdef to
 952         insdefault.
 953
 954 2010-01-04  Ian Lance Taylor  <iant@google.com>
 955
 956         PR 10980
 957         * options.h (class General_options): Add
 958         --allow-multiple-definition and -z muldefs.
 959         * resolve.cc (Symbol_table::should_override): Don't warn about a
 960         multiple symbol definition if --allow-multiple-definition or -z
 961         muldefs.
 962
 963         PR 10980
 964         * options.h (class General_options): Add --add-needed and
 965         --copy-dt-needed-entries.  Tweak --as-needed help entry.
 966         * object.cc (Input_objects::check_dynamic_dependencies): Give an
 967         error if --copy-dt-needed-entries aka --add-needed is used and
 968         would cause a change in behaviour.
 969
 970         PR 10980
 971         * options.h (class General_options): Add -G as a short version of
 972         --shared.  Add no-op options -assert, -g, and -i.
 973
 974 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
 975
 976         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
 977         check for .text or .gnu.linkonce.t sections.
 978         * icf.cc (Icf::find_identical_sections): Ditto.
 979         Change the detection for mangled function name within the section
 980         name.
 981         * icf.h (is_section_foldable_candidate): New function.
 982
 983 2009-12-30  Ian Lance Taylor  <iant@google.com>
 984
 985         PR 10980
 986         * options.h (class General_options): Permit two dashes with
 987         --retain-symbols-file.
 988
 989 2009-12-30  Ian Lance Taylor  <iant@google.com>
 990
 991         PR 10979
 992         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
 993         don't put the file header and segment headers in the text
 994         segment.
 995
 996         PR 10979
 997         * common.cc (Sort_commons::operator()): Stabilize sort when both
 998         entries are NULL.
 999         (Symbol_table::do_allocate_commons_list): When allocating common
1000         symbols, skip a symbol which is no longer common.
1001         * symtab.h (Symbol::is_common): Test whether the symbol comes from
1002         an object before checking its type.
1003         * testsuite/common_test_2.c: New file.
1004         * testsuite/common_test_3.c: New file.
1005         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1006         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1007         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1008         (common_test_2_pic.o, common_test_2.so): New targets.
1009         (common_test_3_pic.o, common_test_3.so): New targets.
1010         * testsuite/Makefile.in: Rebuild.
1011
1012         PR 10979
1013         * script.cc (read_input_script): If we see a new SECTIONS clause,
1014         and we have added an input section, give an error.
1015         * layout.h (class Layout): Add have_added_input_section function.
1016         Add have_added_input_section_ field.
1017         * layout.cc (Layout::Layout): Initialize
1018         have_added_input_section_.
1019         (Layout::layout): Set have_added_input_section_.
1020         (Layout::layout_eh_frame): Likewise.
1021
1022 2009-12-30  Ian Lance Taylor  <iant@google.com>
1023
1024         PR 10931
1025         * options.h (class General_options): Add --sort-common option.
1026         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1027         * common.cc (Sort_common): Add sort_order parameter to
1028         constructor.  Add sort_order_ field.
1029         (Sort_commons::operator): Check sort_order_.
1030         (Symbol_table::allocate_commons): Determine the sort order.
1031         (Symbol_table::do_allocate_commons): Add sort_order parameter.
1032         Change all callers.
1033         (Symbol_table::do_allocate_commons_list): Likewise.
1034
1035 2009-12-30  Ian Lance Taylor  <iant@google.com>
1036
1037         PR 10916
1038         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1039         symbols from this object, don't change the visibility of an
1040         undefined symbol.
1041         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1042
1043 2009-12-30  Ian Lance Taylor  <iant@google.com>
1044
1045         PR 10861
1046         * script.h (class Version_script_info): Define Language enum.
1047         Update declarations.  Define Glob, Exact, and Lookup types.  Add
1048         new fields globals_, locals_, and is_finalized_.
1049         * script.cc: Various formatting fixes.
1050         (class Parser_closure): Change language_stack_ from a vector of
1051         std::string to one of Version_script_info::Language.  Adjust all
1052         uses accordingly.
1053         (class Lazy_demangler): Remove.
1054         (struct Version_expression): Change language from std::string to
1055         Version_script_info::Language.
1056         (Version_script_info::Version_script_info): New function.
1057         (Version_script_info::~Version_script_info): Don't call clear.
1058         (Version_script_info::finalize): New function.
1059         (Version_script_info::build_lookup_tables): New function.
1060         (Version_script_info::build_expression_list_lookup): New
1061         function.
1062         (Version_script_info::get_symbol_version_helper): Rewrite to use
1063         lookup tables.
1064         (Version_script_info::print_expression_list): Adjust to use
1065         Version_script_info::Language.
1066         (script_push_lex_into_version_mode): Check that the version script
1067         has not been finalized.
1068         (version_script_push_lang): Change language string to
1069         Version_script_info::Language.
1070         * options.cc (Command_line::version_script): New function.
1071         * options.h (class General_options): Add finalize_dynamic_list
1072         function.  Change version_script from declaration to definition.
1073         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1074         * testsuite/version_script.map: Remove duplicate def of foo.
1075         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1076         version_script.map.
1077         * testsuite/Makefile.in: Rebuild.
1078
1079 2009-12-30  Ian Lance Taylor  <iant@google.com>
1080
1081         PR 10843
1082         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1083         if the input symbol index is 0, make the output symbol index 0.
1084
1085 2009-12-30  Ian Lance Taylor  <iant@google.com>
1086
1087         PR 10670
1088         * options.h (class General_options): Add -x/--discard-all.
1089         * object.cc (Sized_relobj::do_count_local_symbols): Handle
1090         --discard-all.  If the local symbol needs a dynamic entry, check
1091         that before handling --discard-locals.
1092
1093 2009-12-30  Ian Lance Taylor  <iant@google.com>
1094
1095         PR 10450
1096         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
1097         flags to PF_R.
1098         (Output_segment::add_output_section): Don't change the flags if
1099         the type is PT_TLS.
1100
1101         PR 10450
1102         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
1103         GNU hash table if they need a dynamic value.  Otherwise, don't add
1104         them if they are defined in a dynamic object or are forced local.
1105
1106 2009-12-29  Ian Lance Taylor  <iant@google.com>
1107
1108         PR 10450
1109         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
1110         .gnu.hash table for a 32-bit target.
1111
1112         PR 10450
1113         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
1114         regular and a dynamic object only needs a dynamic symbol table
1115         entry if it is externally visible.
1116
1117         PR 10450
1118         * i386.cc (class Target_i386): Initialize global_offset_table_ in
1119         constructor.  Add global_offset_table_ field.
1120         (Target_i386::got_section): Set global_offset_table_.
1121         (Target_i386::do_finalize_sections): Set global_offset_table_
1122         size.
1123         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
1124         in constructor.  Add global_offset_table_ field.
1125         (Target_x86_64::got_section): Set global_offset_table_.
1126         (Target_x86_64::do_finalize_sections): Set global_offset_table_
1127         size.
1128
1129         * layout.cc (Layout::Layout): Initialize increase_relro_.
1130         (Layout::get_output_section): Add is_relro, is_last_relro, and
1131         is_first_non_relro parameters.  Change all callers.
1132         (Layout::choose_output_section): Likewise.
1133         (Layout::add_output_section_data): Likewise.
1134         (Layout::make_output_section): Likewise.
1135         (Layout::set_segment_offsets): Clear increase_relro when using a
1136         linker script.
1137         * layout.h (class Layout): Add increase_relro method.  Add
1138         increase_relro_ field.  Update declarations.
1139         * output.cc (Output_section::Output_section): Initialize
1140         is_last_relro_ and is_first_non_relro_.
1141         (Output_segment::add_output_section): Group relro sections is
1142         do_sort is true.  Handle is_last_relro and is_first_non_relro.
1143         (Output_segment::maximum_alignment): Remove relro handling.
1144         (Output_segment::set_section_addresses): Add increase_relro
1145         parameter.  Change all callers.  Add initial alignment to align
1146         relro sections on separate page.  Remove old relro handling.
1147         (Output_segment::set_section_list_addresses): Remove in_relro
1148         parameter.  Change all callers.
1149         (Output_segment::set_offset): Add increase parameter.  Change all
1150         callers.  Remove old relro handling.
1151         * output.h (class Output_section): Add new methods: is_last_relro,
1152         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
1153         Add is_last_relro_ and is_first_non_relro_ fields.
1154         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
1155         Create separate .got.plt section.  Call increase_relro.
1156         * x86_64.cc (Target_x86_64::got_section): Likewise.
1157         * testsuite/relro_script_test.t: Add .got.plt.
1158
1159         PR 10450
1160         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
1161         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
1162         (Layout::finalize): Call set_dynamic_symbol_size.
1163         (Layout::set_dynamic_symbol_size): New function.
1164         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
1165         set_dynamic_symbol_size.
1166
1167         PR 10450
1168         * output.h (class Output_section): Add is_entsize_zero_ field.
1169         * output.cc (Output_section::Output_section): Initialize
1170         is_entsize_zero_.
1171         (Output_section::set_entsize): If two different entsizes are
1172         requested, force it to zero.
1173         (Output_section::add_input_section): Set flags for .debug_str
1174         before updating section flags.  Set entsize.
1175         (Output_section::update_flags_for_input_section): Set SHF_MERGE
1176         and SHF_STRING if all input sections have those flags.
1177
1178 2009-12-29   Rafael Espindola  <espindola@google.com>
1179
1180         * main.cc (main): Fix the sys time reporting.
1181         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
1182         reporting.
1183
1184 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
1185
1186         * options.cc (General_options::parse_version): Allow -v to exit
1187         without an error if there is nothing to link.
1188
1189 2009-12-29  Ian Lance Taylor  <iant@google.com>
1190
1191         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
1192         using a version of gcc before 4.1.
1193         * configure: Rebuild.
1194
1195 2009-12-28  Chris Demetriou  <cgd@google.com>
1196
1197         * attributes.cc (Output_attributes_section_data::do_write): Use
1198         std::vector::front rather than std::vector::data.
1199
1200 2009-12-28  Ian Lance Taylor  <iant@google.com>
1201
1202         * symtab.h (class Symbol_table): Add enum Defined.
1203         * resolve.cc (Symbol_table::should_override): Add defined
1204         parameter.  Change all callers.  Test whether object is NULL
1205         before calling a method on it.
1206         (Symbol_table::report_resolve_problem): Add defined parameter.
1207         Change all callers.
1208         (Symbol_table::should_override_with_special): Likewise.
1209         * symtab.cc (Symbol_table::define_in_output_data): Add defined
1210         parameter.  Change all callers.
1211         (Symbol_table::do_define_in_output_data): Likewise.
1212         (Symbol_table::define_in_output_segment): Likewise.
1213         (Symbol_table::do_define_in_output_segment): Likewise.
1214         (Symbol_table::define_as_constant): Likewise.
1215         (Symbol_table::do_define_as_constant): Likewise.
1216         * script.h (class Symbol_assignment): Add is_defsym parameter to
1217         constructor; change all callers.
1218         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
1219         parameter.  Change all callers.  Add is_defsym_ field.
1220         (class Parser_closure): Add parsing_defsym parameter to
1221         constructor; change all callers.  Add parsing_defsym accessor
1222         function.  Add parsing_defsym_ field.
1223
1224 2009-12-28  Ian Lance Taylor  <iant@google.com>
1225
1226         * gold.cc (queue_middle_tasks): Fix formatting.
1227         * object.cc (Relobj::is_section_name_included): Likewise.
1228
1229 2009-12-23  Ian Lance Taylor  <iant@google.com>
1230
1231         * i386.cc (Target_i386::do_calls_non_split): Recognize
1232         -fsplit-stack prologue for a function with a static chain.
1233         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
1234         -fsplit-stack prologue when using %r11.
1235
1236 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
1237
1238         * options.cc (General_options::parse_version): Make -v continue and do
1239         the link like GNU ld does.
1240
1241 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
1242
1243         * Makefile.am (CCFILES): Add timer.cc.
1244         (HFILES): Add timer.h.
1245         * configure.ac: Check for sysconf and times.
1246         * main.cc: include timer.h.
1247         (main): Use Timer instead of get_run_time.
1248         * timer.cc: New.
1249         * timer.h: New.
1250         * workqueue.cc: include timer.h.
1251         (Workqueue::find_and_run_task):
1252         Report user, sys and wall time.
1253         * Makefile.in: Regenerate.
1254         * config.in: Regenerate.
1255         * configure: Regenerate.
1256
1257 2009-12-16  Doug Kwan  <dougkwan@google.com>
1258
1259         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
1260         sections.
1261         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
1262         relaxed input sections.
1263         * output.cc (Output_section::find_relaxed_input_section): Change
1264         return type to Output_relaxed_input_section pointer.  Adjust code
1265         for new type of relaxed_input_section_map_.
1266         * output.h (Output_section::find_relaxed_input_section): Change
1267         return type to Output_relaxed_input_section pointer.
1268         (Output_section::Output_relaxed_input_section_by_input_section_map):
1269         New type.
1270         (Output_section::relaxed_input_section_map_): Change type to
1271         Output_section::Output_relaxed_input_section_by_input_section_map.
1272         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
1273         input section.
1274
1275 2009-12-15  Ian Lance Taylor  <iant@google.com>
1276
1277         * layout.cc (Layout::create_shstrtab): Only write out after input
1278         sections if we are compressing debug sections.
1279
1280 2009-12-15  Ian Lance Taylor  <iant@google.com>
1281
1282         * archive.cc (Archive::add_symbols): Only look up a symbol without
1283         a version if there is, in fact, a version.
1284
1285 2009-12-14  Ian Lance Taylor  <iant@google.com>
1286
1287         Revert -Wshadow changes, all changes from:
1288         2009-12-11  Doug Kwan  <dougkwan@google.com>
1289         2009-12-11  Nick Clifton  <nickc@redhat.com>
1290         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
1291
1292 2009-12-11  Doug Kwan  <dougkwan@google.com>
1293
1294         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
1295         due to -Wshadow.
1296         * attributes.cc (Object_attribute::size): Ditto.
1297         (Attributes_section_data::size): Ditto.
1298         (Attributes_section_data::Attributes_section_data): Ditto.
1299         (Output_attributes_section_data::do_write): Ditto.
1300         * attributes.h (Object_attribute::set_type): Ditto.
1301         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
1302
1303 2009-12-11  Nick Clifton  <nickc@redhat.com>
1304
1305         * archive.cc: Fix shadowed variable warnings.
1306         * arm.cc: Likewise.
1307         * compressed_output.cc: Likewise.
1308         * compressed_output.h: Likewise.
1309         * configure: Likewise.
1310         * dwarf_reader.cc: Likewise.
1311         * dynobj.cc: Likewise.
1312         * dynobj.h: Likewise.
1313         * ehframe.cc: Likewise.
1314         * ehframe.h: Likewise.
1315         * errors.cc: Likewise.
1316         * expression.cc: Likewise.
1317         * fileread.cc: Likewise.
1318         * fileread.h: Likewise.
1319         * freebsd.h: Likewise.
1320         * i386.cc: Likewise.
1321         * icf.cc: Likewise.
1322         * incremental.h: Likewise.
1323         * layout.cc: Likewise.
1324         * layout.h: Likewise.
1325         * mapfile.cc: Likewise.
1326         * merge.cc: Likewise.
1327         * merge.h: Likewise.
1328         * object.cc: Likewise.
1329         * object.h: Likewise.
1330         * options.h: Likewise.
1331         * output.cc: Likewise.
1332         * output.h: Likewise.
1333         * parameters.cc: Likewise.
1334         * plugin.cc: Likewise.
1335         * powerpc.cc: Likewise.
1336         * reduced_debug_output.cc: Likewise.
1337         * reduced_debug_output.h: Likewise.
1338         * reloc.cc: Likewise.
1339         * reloc.h: Likewise.
1340         * resolve.cc: Likewise.
1341         * script-sections.cc: Likewise.
1342         * script.cc: Likewise.
1343         * script.h: Likewise.
1344         * sparc.cc: Likewise.
1345         * symtab.cc: Likewise.
1346         * symtab.h: Likewise.
1347         * target-select.cc: Likewise.
1348         * target-select.h: Likewise.
1349         * token.h: Likewise.
1350         * workqueue.cc: Likewise.
1351         * workqueue.h: Likewise.
1352         * x86_64.cc: Likewise.
1353
1354 2009-12-10  Doug Kwan  <dougkwan@google.com>
1355
1356         * arm.cc (attributes.h): New include.
1357         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
1358         (Arm_relobj::~Arm_relobj): Delete object pointed by
1359         attributes_section_data_.
1360         (Arm_relobj::attributes_section_data): New method definition.
1361         (Arm_relobj::attributes_section_data_): New data member declaration.
1362         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
1363         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
1364         attributes_section_data_.
1365         (Arm_dynobj::attributes_section_data): New method definition.
1366         (Arm_dynobj::attributes_section_data_): New data member declaration.
1367         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
1368         initialization value of may_use_blx_ to false.
1369         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
1370         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
1371         object attributes to compute results instead of hard-coding.
1372         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
1373         Target_arm::get_secondary_compatible_arch,
1374         Target_arm::set_secondary_compatible_arch
1375         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1376         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
1377         New method declarations.
1378         (Target_arm::get_aeabi_object_attribute): New method definition.
1379         (Target_arm::attributes_section_data_): New data member declaration.
1380         (read_arm_attributes_section): New template definition.
1381         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
1382         (Arm_dynobj::do_read_symbols): Ditto.
1383         (Target_arm::do_finalize_sections): Merge attributes sections from
1384         input.  Check for BLX use after attributes section merging.
1385         Fix __exidx_start and __exidx_end visibility.  Create an
1386         .ARM.attributes section if necessary.
1387         (Target_arm::get_secondary_compatible_arch,
1388         Target_arm::set_secondary_compatible_arch,
1389         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1390         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
1391         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
1392         New method definitions.
1393
1394 2009-12-09  Ian Lance Taylor  <iant@google.com>
1395
1396         * plugin.cc (Plugin::load): Don't cast from void* to a function
1397         pointer.
1398
1399 2009-12-09  Ian Lance Taylor  <iant@google.com>
1400
1401         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
1402         information fields.
1403
1404 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
1405
1406         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
1407         Replace two_file_shared_1.so with two_file_shared_2.so.
1408         * testsuite/Makefile.in: Regenerated.
1409
1410 2009-12-08  Doug Kwan  <dougkwan@google.com>
1411
1412         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
1413         (HFILES): Add attributes.h and int_encoding.h.
1414         * Makefile.in: Regenerate.
1415         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
1416         function definitions to int_encoding.cc
1417         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
1418         prototypes to int_encoding.h
1419         * reduced_debug_output.cc (int_encoding.h): New include.
1420         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
1421         function definitions to int_encoding.cc
1422         (insert_into_vector, read_from_pointer): Move template definitions to
1423         int_encoding.h
1424         * attributes.cc: New file.
1425         * attributes.h: New file.
1426         * int_encoding.cc: New file.
1427         * int_encoding.h: New file.
1428
1429 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
1430
1431         PR gold/11055
1432         * incremental-dump.cc (dump_incremental_inputs): New.
1433         (main): Use dump_incremental_inputs.
1434
1435 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
1436
1437         PR gold/10893
1438         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
1439         checking elfcpp::STT_FUNC.
1440         (Target_i386::Relocate::relocate): Likewise.
1441         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1442
1443         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
1444         symbols from shared libraries into normal FUNC symbols.
1445
1446         * symtab.h (Symbol): Add is_func and use it.
1447
1448 2009-12-05  Doug Kwan  <dougkwan@google.com>
1449
1450         * arm.cc (Target_arm::arm_info): Initialize new fields
1451         attributes_section and attributes_vendor.
1452         * i386.cc (Target_i386::i386_info): Same.
1453         * object.cc (Sized_relobj::do_layout): Skip attribute section.
1454         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
1455         fields attributes_section and attributes_vendor.
1456         * sparc.cc (Target_sparc::sparc_info): Same.
1457         * target.h (Target::attributes_section, Target::attributes_vendor,
1458         Target::is_attributes_section, Target::attribute_arg_type,
1459         Target::attributes_order): New method definitions.
1460         (Target::Target_info::attributes_section,
1461         Target::Target_info::attributes_vendor): New fields.
1462         (Target::do_attribute_arg_type, Target::do_attributes_order): New
1463         virtual method definitions.
1464         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
1465         attributes_section and attributes_vendor.
1466         * testsuite/testfile.cc (Target_test::test_target_info): Same.
1467
1468 2009-12-05  Doug Kwan  <dougkwan@google.com>
1469
1470         * arm.cc: Update comments about interworking and stub generation.
1471         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
1472         considered as non-PIC.
1473         (Arm_relocate_functions::base_abs): Fix formatting.
1474         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
1475         of function to use GOT entry address instead of offset.
1476         (Target_arm::Scan::global): Issue an error if a symbol would need a
1477         PLT does not get one because it is untyped.  Remove code to create
1478         dynamic symbols for relative branches.
1479         (Target_arm::Relocate::relocate: Use 0 instead of false since function
1480         takes unsigned integer instead of boolean.
1481
1482 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
1483
1484         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
1485         (two_file_test_LDADD): Likewise.
1486         (common_test_1_LDADD): Likewise.
1487         (exception_test_LDADD) Likewise.
1488         (weak_test_LDADD): Likewise.
1489         (many_sections_test_LDADD): Likewise.
1490         (initpri1_LDADD): Likewise.
1491         (script_test_1_LDADD): Likewise.
1492         (script_test_2_LDADD): Likewise.
1493         (justsyms_LDADD): Likewise.
1494         (binary_test_LDADD): Likewise.
1495         (large_LDADD): Likewise.
1496         * testsuite/Makefile.in: Regenerated.
1497
1498 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
1499
1500         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
1501         (Symbol_table::override_with_special): Likewise.
1502         (Symbol_table::add_from_object): Likewise.
1503
1504 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1505
1506         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1507         Don't set the data_offset twice.
1508
1509 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1510
1511         * testsuite/Makefile.in: Regenerate.
1512
1513 2009-12-03  Doug Kwan  <dougkwan@google.com>
1514
1515         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
1516         (Target_arm::do_finalize_sections): Add parameter for symbol table
1517         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
1518         * i386.cc (Target_i386::do_finalize_sections): Add an additional
1519         parameter for symbol table pointer.
1520         * layout.cc (Layout::finalize): Call Target::finalize_sections with
1521         an additional parameter for a pointer to symbol table.
1522         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
1523         parameter for a symbol table pointer.
1524         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
1525         * target.h (Target::finalize_sections, Target::do_finalize_sections):
1526         Ditto.
1527         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
1528         parameter for a symbol table pointer.
1529
1530 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
1531
1532         * incremental.cc (Incremental_inputs_header)
1533         (Incremental_inputs_header_write, Incremental_inputs_entry)
1534         (Incremental_inputs_entry_write): Move ...
1535         * incremental.h (Incremental_inputs_header)
1536         (Incremental_inputs_header_write, Incremental_inputs_entry)
1537         (Incremental_inputs_entry_write): here.
1538
1539 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1540
1541         * incremental.cc (make_sized_incremental_binary): Set the target.
1542         Error if it is incompatible.
1543         * output.h (Output_file): Add filename method.
1544
1545 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1546
1547         * incremental.cc (Incremental_inputs_entry): Remove unused argument
1548         from the get_* methods.
1549
1550 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1551
1552         * incremental-dump.cc (main): Check that the offeset of a script is 0.
1553         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1554         Write 0 for the data_offset of scripts.
1555
1556 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1557
1558         * testsuite/Makefile.am: Add the incremental_test.sh test.
1559         * testsuite/incremental_test.sh: New.
1560         * testsuite/incremental_test_1.c: New.
1561         * testsuite/incremental_test_2.c: New.
1562
1563 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
1564
1565        * incremental-dump.cc (main): Fix typos.
1566
1567 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
1568
1569         PR gold/11025
1570         * incremental-dump.cc (main): Use llu to print 64 bit values.
1571
1572 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
1573             H.J. Lu  <hongjiu.lu@intel.com>
1574
1575         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
1576         $(LIBDL).
1577         (incremental_dump_LDADD): Likewise.
1578         * Makefile.in: Regenerated.
1579
1580 2009-11-25  Doug Kwan  <dougkwan@google.com>
1581
1582         Revert:
1583
1584         2009-11-25  Doug Kwan  <dougkwan@google.com>
1585
1586                 * arm.cc (Target_arm::Target_arm): Move method definition
1587                 outside of class definition.  Add code to handle
1588                 --target1-rel, --target1-abs and --target2= options.
1589                 (Target_arm::get_reloc_reloc_type): Change method to be
1590                 non-static and const.
1591                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
1592                 New data member declaration.
1593                 (Target_arm::Scan::local, Target_arm::Scan::global,
1594                 Target_arm::Relocate::relocate,
1595                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1596                 Adjust call to Target_arm::get_real_reloc_type.
1597                 (Target_arm::get_real_reloc_type): Use command line options
1598                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1599                 * options.h (--target1-rel, --target1-abs, --target2): New
1600                 ARM-only options.
1601
1602 2009-11-25  Doug Kwan  <dougkwan@google.com>
1603
1604         * arm.cc (Target_arm::Target_arm): Move method definition outside of
1605         class definition.  Add code to handle --target1-rel, --target1-abs
1606         and --target2= options.
1607         (Target_arm::get_reloc_reloc_type): Change method to be non-static
1608         and const.
1609         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
1610         member declaration.
1611         (Target_arm::Scan::local, Target_arm::Scan::global,
1612         Target_arm::Relocate::relocate,
1613         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
1614         call to Target_arm::get_real_reloc_type.
1615         (Target_arm::get_real_reloc_type): Use command line options to
1616         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1617         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
1618         options.
1619
1620 2009-11-25  Doug Kwan  <dougkwan@google.com>
1621
1622         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
1623         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
1624         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
1625         formatting.
1626         (Arm_relocate_functions::thm_call): Replace body with a call to
1627         Arm_relocate_functions::thumb_branch_common.
1628         (Arm_relocate_functions::thm_jump24,
1629         Arm_relocate_functions::thm_xpc22): New method definitions.
1630         (Arm_relocate_functions::thumb_branch_common): New method definition.
1631         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
1632         operator.
1633         (Target_arm::Relocate::relocate): Adjust call to thm_call.
1634         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
1635
1636 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1637
1638         * Makefile.am: Build incremental-dump
1639         * Makefile.in: Regenerate.
1640         * incremental-dump.cc: New.
1641         * incremental.cc (Incremental_inputs_header_data,
1642         Incremental_inputs_entry_data): Move to incremental.h
1643         * incremental.h: (Incremental_inputs_header_data,
1644         Incremental_inputs_entry_data): Move from incremental.cc
1645
1646 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1647
1648         * incremental.cc (Incremental_inputs_header,
1649         Incremental_inputs_header_write, Incremental_inputs_entry,
1650         Incremental_inputs_entry_write): Add a typedef with the data type.
1651
1652 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1653
1654         * incremental.cc (Incremental_inputs_header,
1655         Incremental_inputs_header_write, Incremental_inputs_entry,
1656         Incremental_inputs_entry_write): Update comment about which
1657         type has the filed descriptions.
1658
1659 2009-11-15  Doug Kwan  <dougkwan@google.com>
1660
1661         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
1662         (Arm_relocate_functions::arm_branch_common): Change method defintion
1663         in class definition to a method declaration and update list of formal
1664         parameters.
1665         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
1666         Arm_relocation_functions::jump24): Adjust call to
1667         Arm_relocate_functions::arm_branch_common.  Update list of formal
1668         parameters.
1669         (Arm_relocate_functions::xpc25): New method definition.
1670         (Arm_relocate_functions::arm_branch_common): Move method defintion
1671         out from class definition.  Use stubs for mode-switching and extending
1672         branch ranges.
1673         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
1674         specially.  Change code to enable use of stubs in ARM branches.
1675
1676 2009-11-10  Doug Kwan  <dougkwan@google.com>
1677
1678         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
1679         in method declaration.
1680         (Target_arm::relocate_stub): New method declaration.
1681         (Target_arm::default_target): Change to return a pointer instead of
1682         a const reference.
1683         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
1684         Target_arm::default_target.
1685         (Arm_Relobj::do_relocate_sections): Remove options paramater in
1686         method definition.
1687         (Target_arm::relocate_section): Adjust view.
1688         (Target_arm::relocate_stub): New method definition.
1689
1690 2009-11-10  Doug Kwan  <dougkwan@google.com>
1691
1692         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
1693         a format warning.
1694         * incremental.cc (open_incremental_binary): Initialized local
1695         variables to avoid warnings.
1696         * object.cc (make_elf_object): Ditto.
1697         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
1698         a format warning.
1699
1700 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
1701
1702         PR gold/10930
1703         * testsuite/plugin_test.c: Include "config.h".
1704
1705 2009-11-09  Doug Kwan  <dougkwan@google.com>
1706
1707         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
1708         (arm_symbol_value): Remove.
1709         (Arm_relocate_functions::arm_branch_common,
1710         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
1711         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
1712         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
1713         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
1714         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
1715         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
1716         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
1717         Arm_relocate_functions::thm_mobw_abs_nc,
1718         Arm_relocate_functions::thm_mov_abs,
1719         Arm_relocate_functions::movw_prel_nc,
1720         Arm_relocate_functions::thm_movt_abs,
1721         Arm_relocate_functions::movt_prel,
1722         Arm_relocate_functions::thm_movw_prel_nc,
1723         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
1724         (Target_arm::Relocate::relocate): Only decompose address into two
1725         parts if relocation type uses the thumb-bit and pass the actual
1726         bit instead of a flag indicating that the thumb-bit is used.  Adjust
1727         calls to methods in Arm_relocate_functions for this change.
1728
1729 2009-11-08  Ian Lance Taylor  <iant@google.com>
1730
1731         PR 10925
1732         * reloc.cc: Instantiate
1733         Sized_relobj::initialize_input_to_output_maps and
1734         Sized_relobj:free_input_to_output_maps.
1735
1736 2009-11-06  Ian Lance Taylor  <iant@google.com>
1737
1738         PR 10876
1739         * defstd.cc (in_segment): Set only_if_ref true for "end".
1740
1741 2009-11-06  Doug Kwan  <dougkwan@google.com>
1742
1743         * arm.cc (class Reloc_stub): Correct a comment.
1744         (Target_arm::Target_arm): Initialize arm_input_section_map_.
1745         (Target_arm::scan_section_for_stubs): New method declaration.
1746         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
1747         Change methods from private to protected.
1748         (Target_arm::do_may_relax): New method definition.
1749         (Target_arm::do_relax, Target_arm::group_sections,
1750         Target_arm::scan_reloc_for_stub,
1751         Target_arm::scan_reloc_section_for_stubs): New method declarations.
1752         (Target_arm::arm_input_section_map_): New data member declaration.
1753         (Target_arm::scan_reloc_for_stub,
1754         Target_arm::scan_reloc_section_for_stubs,
1755         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
1756         Target_arm::do_relax): New method definitions.
1757
1758 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
1759
1760         * configure.ac: Check for (struct stat)::st_mtim
1761         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
1762         * config.in: Regenerate.
1763         * configure: Regenerate.
1764
1765 2009-11-05  Ian Lance Taylor  <iant@google.com>
1766
1767         PR 10910
1768         * output.cc (Output_segment::add_output_section): Add missing
1769         return statement.
1770
1771 2009-11-04  Ian Lance Taylor  <iant@google.com>
1772
1773         PR 10880
1774         * object.h (class Object): Add is_needed and set_is_needed
1775         methods.  Add is_needed_ field.  Make bool fields into bitfields.
1776         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
1777         defined in a dynamic object and referenced by a regular object,
1778         set is_needed for the dynamic object.
1779         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
1780         if the file is marked with as_needed and it is not needed.
1781
1782 2009-11-04  Ian Lance Taylor  <iant@google.com>
1783
1784         PR 10887
1785         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
1786         tags if data is discarded by linker script.
1787         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1788         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1789         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1790         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1791
1792 2009-11-04  Ian Lance Taylor  <iant@google.com>
1793
1794         * layout.cc (Layout::get_output_section): Add is_interp and
1795         is_dynamic_linker_section parameters.  Change all callers.
1796         (Layout::choose_output_section): Likewise.
1797         (Layout::make_output_section): Likewise.
1798         (Layout::add_output_section_data): Add is_dynamic_linker_section
1799         parameter.  Change all callers.
1800         * layout.h (class Layout): Update declarations.
1801         * output.h (class Output_section): Add is_interp, set_is_interp,
1802         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
1803         Add is_interp_, is_dynamic_linker_section_ fields.  Change
1804         generate_code_fills_at_write_ to a bitfield.
1805         * output.cc (Output_section::Output_sections): Initialize new
1806         fields.
1807         (Output_segment::add_output_section): Add do_sort parameter.
1808         Change all callers.
1809
1810 2009-11-03  Ian Lance Taylor  <iant@google.com>
1811
1812         PR 10860
1813         * options.h (class General_options): Add --warn-common.
1814         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
1815         merging two common symbols.
1816         (Symbol_table::should_override): Handle --warn-common when merging
1817         a common symbol with a defined symbol.  Use report_resolve_problem
1818         for multiple definitions.
1819         (Symbol_table::report_resolve_problem): New function.
1820         * symtab.h (class Symbol_table): Declare report_resolve_problem.
1821
1822 2009-11-03  Doug Kwan  <dougkwan@google.com>
1823
1824         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
1825         stub_factory_.
1826         (Target_arm::stub_factory): New method definition.
1827         (Target_arm::new_arm_input_section,
1828         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
1829         Target_arm::reloc_uses_thumb_bit): New method declarations.
1830         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
1831         New type definitions.
1832         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
1833         member declarations.
1834         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
1835         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
1836         New method definitions.
1837
1838 2009-11-03  Ian Lance Taylor  <iant@google.com>
1839
1840         * options.h (class General_options): Add --warn_constructors.
1841
1842 2009-11-03  Ian Lance Taylor  <iant@google.com>
1843
1844         PR 10893
1845         * defstd.cc (in_section): Add entries for __rel_iplt_start,
1846         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
1847
1848 2009-11-03  Ian Lance Taylor  <iant@google.com>
1849
1850         PR 10895
1851         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
1852         --msgid-bugs-address.
1853         (install-pdf): New target.
1854         (install-data_yes): Look up one directory to find mkinstalldirs.
1855
1856 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
1857
1858         * po/Make-in (.po.gmo): Don't generate .gmo files in source
1859         tree.
1860
1861 2009-10-30  Doug Kwan  <dougkwan@google.com>
1862
1863         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
1864
1865 2009-10-30  Doug Kwan  <dougkwan@google.com>
1866
1867         * arm.cc (Stub_addend_reader): New struct template definition
1868         and partial specializations.
1869         (Stub_addend_reader::operator()): New method definition for a
1870         partially specialized template.
1871
1872 2009-10-30  Doug Kwan  <dougkwan@google.com>
1873
1874         * arm.cc (Arm_relobj::processor_specific_flags): New method
1875         definition.
1876         (Arm_relobj::do_read_symbols): New method declaration.
1877         (Arm_relobj::processor_specific_flags_): New data member declaration.
1878         (Arm_dynobj): New class definition.
1879         (Target_arm::do_finalize_sections): Add input_objects parameter.
1880         (Target_arm::do_adjust_elf_header): New method declaration.
1881         (Target_arm::are_eabi_versions_compatible,
1882         (Target_arm::merge_processor_specific_flags): New method declaration.
1883         (Target_arm::do_make_elf_object): New overloaded method definitions
1884         and declaration.
1885         (Arm_relobj::do_read_symbols): New method definition.
1886         (Arm_dynobj::do_read_symbols): Ditto.
1887         (Target_arm::do_finalize_sections): Add input_objects parameters.
1888         Merge processor-specific flags from all input objects.
1889         (Target_arm::are_eabi_versions_compatible,
1890         Target_arm::merge_processor_specific_flags,
1891         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1892         New method definitions.
1893         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1894         Input_objects pointer type parameter.
1895         * layout.cc (Layout::finalize): Pass input objects to target's.
1896         finalize_sections function.
1897         * output.cc (Output_file_header::do_sized_write): Set ELF file
1898         header's processor-specific flags.
1899         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1900         Input_objects pointer type parameter.
1901         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1902         * target.h (Input_objects): New forward class declaration.
1903         (Target::processor_specific_flags,
1904         Target::are_processor_specific_flags_sect): New method definitions.
1905         (Target::finalize_sections): Add input_objects parameter.
1906         (Target::Target): Initialize processor_specific_flags_ and
1907         are_processor_specific_flags_set_.
1908         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1909         parameter.
1910         (Target::set_processor_specific_flags): New method definition.
1911         (Target::processor_specific_flags_,
1912         Target::are_processor_specific_flags_set_): New data member
1913         declarations.
1914         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
1915         Input_objects pointer type parameter.
1916
1917 2009-10-30  Doug Kwan  <dougkwan@google.com>
1918
1919         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
1920
1921 2009-10-28  Ian Lance Taylor  <iant@google.com>
1922
1923         * object.h (class Relobj): Drop options parameter from
1924         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
1925         do_scan_relocs, do_relocate.  Change all callers.
1926         (class Sized_relobj): Drop options parameters from
1927         do_gc_process_relocs, do_scan_relocs, do_relocate,
1928         do_relocate_sections, relocate_sections, emit_relocs_scan,
1929         emit_relocs_scan_reltype.  Change all callers.
1930         (struct Relocate_info): Remove options field and all references to
1931         it.
1932         * reloc.h (class Read_relocs): Remove options constructor
1933         parameter and options_ field.  Change all callers.
1934         (class Gc_process_relocs, class Scan_relocs): Likewise.
1935         (class Relocate_task): Likewise.
1936         * target-reloc.h (scan_relocs): Remove options parameter.  Change
1937         all callers.
1938         (scan_relocatable_relocs): Likewise.
1939         * target.h (class Sized_target): Remove options parameter from
1940         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
1941         all callers.
1942         * gc.h (gc_process_relocs): Remove options parameter.  Change all
1943         callers.
1944         * arm.cc: Update functions to remove options parameters.
1945         * i386.cc: Likewise.
1946         * powerpc.cc: Likewise.
1947         * sparc.cc: Likewise.
1948         * x86_64.cc: Likewise.
1949         * testsuite/testfile.cc: Likewise.
1950
1951 2009-10-28  Doug Kwan  <dougkwan@google.com>
1952
1953         * arm.cc (Arm_relobj): New class definition.
1954         (Arm_relobj::scan_sections_for_stubs,
1955         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
1956         New method definitions.
1957
1958 2009-10-28  Cary Coutant  <ccoutant@google.com>
1959
1960         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
1961         (Plugin::cleanup_done_): New member.
1962         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
1963         (Plugin_manager::cleanup_done_): Remove.
1964         (Plugin_manager::add_input_file): Edit error message.
1965         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
1966         (Plugin_manager::cleanup): Remove use of cleanup_done_.
1967
1968 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
1969
1970         * fileread.cc: (File_read::View::~View): Use the new
1971         data_ownership_ filed.
1972         (File_read::~File_read): Dispose the new whole_file_view_.
1973         (File_read::open): Mmap the whole file if needed.
1974         (File_read::open): Use whole_file_view_ instead of contents_.
1975         (File_read::find_view): Use whole_file_view_ if applicable.
1976         (File_read::do_read): Use whole_file_view_ instead of contents_.
1977         (File_read::make_view): Use whole_file_view_ instead of contents_,
1978         update File_read::View::View call.
1979         (File_read::find_or_make_view): Update File_read::View::View
1980         call.
1981         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
1982         remove contents_
1983         (File_read::View::Data_ownership): New enum.
1984         (File_read::View::View): Replace bool mapped_ with Data_ownership
1985         argument.
1986         (File_read::View::mapped_): Remove (replaced by data_ownership_).
1987         (File_read::View::data_ownership_): New field.
1988         (File_read::contents_): Remove (replaced by whole_file_view_).
1989         (File_read::whole_file_view_): New field.
1990         * options.h (class General_options): Add --keep-files-mapped.
1991
1992 2009-10-27  Cary Coutant  <ccoutant@google.com>
1993
1994         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
1995         * testsuite/Makefile.am (plugin_test_5): New test case.
1996         * testsuite/Makefile.in: Regenerate.
1997
1998 2009-10-25  Doug Kwan  <dougkwan@google.com>
1999
2000         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2001         from private to protected to allow access by child class.
2002         (Sized_relobj::do_relocate_sections): New method declaration.
2003         (Sized_relobj::relocate_sections): Virtualize.
2004         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
2005         Sized_relobj::relocate_sections.  Instantiate template explicitly
2006         for different target sizes and endianity.
2007
2008 2009-10-24  Doug Kwan  <dougkwan@google.com>
2009
2010         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2011         (Arm_input_section::as_arm_input_section): New method.
2012         (Arm_output_section): New class definition.
2013         (Arm_output_section::create_stub_group,
2014         Arm_output_section::group_sections): New method definitions.
2015
2016 2009-10-22  Doug Kwan  <dougkwan@google.com>
2017
2018         * arm.cc (Arm_input_section): New class definition.
2019         (Arm_input_section::init, Arm_input_section:do_write,
2020         Arm_input_section::set_final_data_size,
2021         Arm_input_section::do_reset_address_and_file_offset): New method
2022         definitions.
2023
2024 2009-10-21  Doug Kwan  <dougkwan@google.com>
2025
2026         * arm.cc (Stub_table, Arm_input_section): New forward class
2027         declarations.
2028         (Stub_table): New class defintion.
2029         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2030         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2031         New method definition.
2032
2033 2009-10-21  Doug Kwan  <dougkwan@google.com>
2034
2035         * arm.cc: Update copyright comments.
2036         (Target_arm): New forward class template declaration.
2037         (Arm_address): New type.
2038         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2039         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2040         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2041         constants.
2042         (Insn_template): Same.
2043         (DEF_STUBS): New macro.
2044         (Stub_type): New enum type.
2045         (Stub_template): New class definition.
2046         (Stub): Same.
2047         (Reloc_stub): Same.
2048         (Stub_factory): Same.
2049         (Target_arm::Target_arm): Initialize may_use_blx_ and
2050         should_force_pic_veneer_.
2051         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2052         Target_arm::should_force_pic_veneer,
2053         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2054         Target_arm::using_thumb_only, Target_arm:;default_target): New
2055         method defintions.
2056         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2057         New data member declarations.
2058         (Insn_template::size, Insn_template::alignment): New method defintions.
2059         (Stub_template::Stub_template): New method definition.
2060         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2061         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2062         (Stub_factory::Stub_factory): New method definition.
2063         * gold.h (string_hash): New template.
2064         * output.h (Input_section_specifier::hash_value): Use
2065         gold::string_hash.
2066         (Input_section_specifier::string_hash): Remove.
2067         * stringpool.cc (Stringpool_template::string_hash): Use
2068         gold::string_hash.
2069
2070 2009-10-20  Doug Kwan  <dougkwan@google.com>
2071
2072         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2073         symbols of relaxed input sections.
2074         * output.h (Output_section::find_relaxed_input_section): Make
2075         method public.
2076
2077 2009-10-16  Doug Kwan  <dougkwan@google.com>
2078
2079         * dynobj.cc (Versions::Versions): Initialize version_script_.
2080         Only insert base version symbol definition for a shared object
2081         if version script defines any version versions.
2082         (Versions::define_base_version): New method definition.
2083         (Versions::add_def): Check that base version is not needed.
2084         (Versions::add_need): Define base version lazily.
2085         * dynobj.h (Versions::define_base_version): New method declaration.
2086         (Versions::needs_base_version_): New data member declaration.
2087         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
2088         (check_DATA): Add no_version_test.stdout.
2089         (libno_version_test.so, no_version_test.o no_version_test.stdout):
2090         New make rules.
2091         * testsuite/Makefile.in: Regenerate.
2092         * testsuite/no_version_test.c: New file.
2093         * testsuite/no_version_test.sh: Ditto.
2094
2095 2009-10-16  Doug Kwan  <dougkwan@google.com>
2096
2097         * expression.cc (class Segment_start_expression): New class definition.
2098         (Segment_start_expression::value): New method definition.
2099         (script_exp_function_segment_start): Return a new
2100         Segment_start_expression.
2101         * gold/script-c.h (script_saw_segment_start_expression): New function
2102         prototype.
2103         * script-sections.cc (Script_sections::Script_sections): Initialize
2104         SAW_SEGMENT_START_EXPRESSION_ to false.
2105         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
2106         and -Tbbs options to specify section addresses if given in
2107         command line and no SEGMENT_START expression is seen in a script.
2108         * script-sections.h (Script_sections::saw_segment_start_expression,
2109         Script_sections::set_saw_segment_start_expression): New method
2110         definition.
2111         (Script_sections::saw_segment_start_expression_): New data member
2112         declaration.
2113         * script.cc (script_saw_segment_start_expression): New function.
2114         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
2115         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
2116         script_test_7.sh and script_test_8.sh.
2117         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
2118         script_test_8.stdout.
2119         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
2120         (script_test_6, script_test_6.stdout, script_test_7,
2121         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
2122         * Makefile.in: Regenerate.
2123         * testsuite/script_test_6.sh: New file.
2124         * testsuite/script_test_6.t: Same.
2125         * testsuite/script_test_7.sh: Same.
2126         * testsuite/script_test_7.t: Same.
2127         * testsuite/script_test_8.sh: Same.
2128
2129 2009-10-16  Doug Kwan  <dougkwan@google.com>
2130
2131         * output.cc (Output_segment::set_section_list_address): Cast
2132         expressions to unsigned long long type to avoid format warnings.
2133
2134 2009-10-15  Ian Lance Taylor  <iant@google.com>
2135
2136         * script.cc (Script_options::add_symbol_assignment): Always add a
2137         dot assignment to script_sections_.
2138         * script-sections.cc (Script_sections::add_dot_assignment):
2139         Initialize if necessary.
2140
2141         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
2142         program headers with no load segment if there is a linker script.
2143
2144         * layout.cc (Layout::set_segment_offsets): Align the file offset
2145         to the segment aligment for -N or -n with no load segment.
2146         * output.cc (Output_segment::add_output_section): Don't crash if
2147         the first section is a TLS section.
2148         (Output_segment::set_section_list_addresses): Print an error
2149         message if the address moves backward in a linker script.
2150         * script-sections.cc
2151         (Output_section_element_input::set_section_addresses): Don't
2152         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
2153         (Orphan_output_section::set_section_addresses): Likewise.
2154
2155 2009-10-15  Doug Kwan  <dougkwan@google.com>
2156
2157         * layout.cc (Layout::finish_dynamic_section): Generate tags
2158         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
2159         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
2160         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
2161
2162 2009-10-14  Ian Lance Taylor  <iant@google.com>
2163
2164         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
2165         fields.
2166         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
2167         data_shdr fields of relinfo.
2168         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
2169         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
2170         R_386_TLS_LDO_32, adjust based on section flags.
2171         (Target_i386::Relocate::fix_up_ldo): Remove.
2172
2173 2009-10-13  Ian Lance Taylor  <iant@google.com>
2174
2175         Add support for -pie.
2176         * options.h (class General_options): Add -pie and
2177         --pic-executable.
2178         (General_options::output_is_position_independent): Test -pie.
2179         (General_options::output_is_executable): Return true if not shared
2180         and not relocatable.
2181         (General_options::output_is_pie): Remove.
2182         * options.cc (General_options::finalize): Reject incompatible uses
2183         of -pie.
2184         * gold.cc (queue_middle_tasks): A -pie link is not static.
2185         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
2186         * symtab.cc (Symbol::final_value_is_known): Return false if
2187         output_is_position_independent.
2188         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
2189         output_is_position_independent.
2190         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
2191         output_is_position_independent.
2192         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
2193         output_is_position_independent.
2194         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
2195         two_file_pie_test.
2196         (basic_pie_test.o, basic_pie_test): New targets.
2197         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
2198         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
2199         (two_file_pie_test): New target.
2200         * testsuite/Makefile.in: Rebuild.
2201         * README: Remove note saying that -pie is not supported.
2202
2203 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2204
2205         * options.h (class General_options): Add -init and -fini.
2206         * layout.cc (Layout::finish_dynamic_section): Emit
2207         given init and fini functions.
2208
2209 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
2210
2211         * gc.h (gc_process_relocs): Check if icf is enabled using new
2212         function.
2213         * gold.cc (queue_initial_tasks): Likewise.
2214         (queue_middle_tasks): Likewise.
2215         * object.cc (do_layout): Likewise.
2216         * symtab.cc (is_section_folded): Likewise.
2217         * main.cc (main): Likewise.
2218         * reloc.cc (Read_relocs::run): Likewise.
2219         (Sized_relobj::do_scan_relocs): Likewise.
2220         * icf.cc (is_function_ctor_or_dtor): New function.
2221         (Icf::find_identical_sections): Check if function is ctor or dtor when
2222         safe icf is chosen.
2223         * options.h (General_options::icf): Change option to be an enum.
2224         (Icf_status): New enum.
2225         (icf_enabled): New method.
2226         (icf_safe_folding): New method.
2227         (set_icf_status): New method.
2228         (icf_status_): New variable.
2229         * (options.cc) (General_options::finalize): Set icf_status_.
2230         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
2231         icf_test and icf_keep_unique_test to use the --icf enum flag.
2232         * testsuite/icf_safe_test.sh: New file.
2233         * testsuite/icf_safe_test.cc: New file.
2234
2235 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
2236
2237         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
2238         includes to gc.h and icf.h.
2239         * arm.cc: Include gc.h.
2240         * gold.cc: Likewise.
2241         * i386.cc: Likewise.
2242         * powerpc.cc: Likewise.
2243         * sparc.cc: Likewise.
2244         * x86_64.cc: Likewise.
2245         * gc.h: Include icf.h.
2246
2247 2009-10-11  Ian Lance Taylor  <iant@google.com>
2248
2249         * plugin.cc: Include "gold.h" before other header files.
2250
2251 2009-10-10  Chris Demetriou  <cgd@google.com>
2252
2253         * options.h (Input_file_argument::Input_file_type): New enum.
2254         (Input_file_argument::is_lib_): Replace with...
2255         (Input_file_argument::type_): New member.
2256         (Input_file_argument::Input_file_argument): Take Input_file_type
2257         'type' rather than boolean 'is_lib' as second argument.
2258         (Input_file_argument::is_lib): Use type_.
2259         (Input_file_argument::is_searched_file): New function.
2260         (Input_file_argument::may_need_search): Handle is_searched_file.
2261         * options.cc (General_options::parse_library): Support -l:filename.
2262         (General_options::parse_just_symbols): Update for Input_file_argument
2263         changes.
2264         (Command_line::process): Likewise.
2265         * archive.cc (Archive::get_file_and_offset): Likewise.
2266         * plugin.cc (Plugin_manager::release_input_file): Likewise.
2267         * script.cc (read_script_file, script_add_file): Likewise.
2268         * fileread.cc (Input_file::Input_file): Likewise.
2269         (Input_file::will_search_for): Handle is_searched_file.
2270         (Input_file::open): Likewise.
2271         * readsyms.cc (Read_symbols::get_name): Likewise.
2272         * testsuite/Makefile.am (searched_file_test): New test.
2273         * testsuite/Makefile.in: Regenerate.
2274         * testsuite/searched_file_test.cc: New file.
2275         * testsuite/searched_file_test_lib.cc: New file.
2276
2277 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2278             Ian Lance Taylor  <iant@google.com>
2279
2280         * descriptor.cc: Include <cstdio> and "binary-io.h".
2281         (Descriptors::open): Open the files in binary mode always.
2282         * script.cc (Lex::get_token): Treat \r as whitespace.
2283
2284 2009-10-09  Ian Lance Taylor  <iant@google.com>
2285
2286         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
2287
2288 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2289             Ian Lance Taylor  <iant@google.com>
2290
2291         * configure.ac: Check for readv function also.
2292         * fileread.cc (readv): Define if not HAVE_READV.
2293         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
2294         does not exist.
2295         * config.in: Regenerate.
2296         * configure: Regenerate.
2297
2298 2009-10-09  Doug Kwan  <dougkwan@google.com>
2299
2300         * layout.cc (Layout::make_output_section): Call target hook to make
2301         ordinary output section.
2302         (Layout::finalize): Adjust parameter list of call the
2303         Target::may_relax().
2304         * layout.h (class Layout::section_list): New method.
2305         * merge.h (Output_merge_base::entsize): Change visibility to public.
2306         (Output_merge_base::is_string, Output_merge_base::do_is_string):
2307         New methods.
2308         (Output_merge_string::do_is_string): New method.
2309         * object.cc (Sized_relobj::do_setup): renamed from
2310         Sized_relobj::set_up.
2311         * object.h (Sized_relobj::adjust_shndx,
2312         Sized_relobj::initializ_input_to_output_maps,
2313         Sized_relobj::free_input_to_output_maps): Change visibilities to
2314         protected.
2315         (Sized_relobj::setup): Virtualize.
2316         (Sized_relobj::do_setup): New method declaration.
2317         (Sized_relobj::invalidate_section_offset,
2318         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
2319         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
2320         * options.cc (parse_int): New function.
2321         * options.h (parse_int): New declaration.
2322         (DEFINE_int): New macro.
2323         (stub_group_size): New option.
2324         * output.cc (Output_section::Output_section): Initialize memebers
2325         merge_section_map_, merge_section_by_properties_map_,
2326         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
2327         (Output_section::add_input_section): Handled deferred code-fill
2328         generation and remove an old comment.
2329         (Output_section::add_relaxed_input_section): New method definition.
2330         (Output_section::add_merge_input_section): Use merge section by
2331         properties map to speed to search.  Update merge section maps
2332         as appropriate.
2333         (Output_section::build_relaxation_map): New method definition.
2334         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2335         Same.
2336         (Output_section::relax_input_section): Renamed to
2337         Output_section::convert_input_sections_to_relaxed_sections and change
2338         interface to take a vector of pointers to relaxed sections.
2339         (Output_section::find_merge_section,
2340         Output_section::find_relaxed_input_section): New method definitions.
2341         (Output_section::is_input_address_mapped,
2342         Output_section::output_offset, Output_section::output_address):
2343         Use output section data maps to speed up searching.
2344         (Output_section::find_starting_output_address): Add comments.
2345         (Output_section::do_write,
2346         Output_section::write_to_postprocessing_buffer): Do code-fill
2347         generation as appropriate.
2348         (Output_section::get_input_sections): Invalidate relaxed input section
2349         map.
2350         (Output_section::restore_states): Adjust type of checkpoint .
2351         Invalidate relaxed input section map.
2352         * output.h (Output_merge_base): New class declaration.
2353         (Input_section_specifier): New class defintion.
2354         (class Output_relaxed_input_section) Change base class to
2355         Output_section_data_build.
2356         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
2357         base class initializer.
2358         (Output_section::add_relaxed_input_section): New method declaration.
2359         (Output_section::Input_section): Change visibility to protected.
2360         (Output_section::Input_section::relobj,
2361         Output_section::Input_section::shndx): Handle relaxed input sections.
2362         Output_section::input_sections) Change visibility to protected.  Also
2363         define overload to return a non-const pointer.
2364         (Output_section::Merge_section_properties): New class defintion.
2365         (Output_section::Merge_section_by_properties_map,
2366         Output_section::Output_section_data_by_input_section_map,
2367         Output_section::Relaxation_map): New types.
2368         (Output_section::relax_input_section): Rename method to
2369         Output_section::convert_input_sections_to_relaxed_sections and change
2370         interface to take a vector of relaxed section pointers.
2371         (Output_section::find_merge_section,
2372         Output_section::find_relaxed_input_section,
2373         Output_section::build_relaxation_map,
2374         Output_section::convert_input_sections_in_list_to_relaxed_sections):
2375         New method declarations.
2376         (Output_section::merge_section_map_
2377         Output_section::merge_section_by_properties_map_,
2378         Output_section::relaxed_input_section_map_,
2379         Output_section::is_relaxed_input_section_map_valid_,
2380         Output_section::generate_code_fills_at_write_): New data members.
2381         * script-sections.cc
2382         (Output_section_element_input::set_section_addresses): Call
2383         current_data_size and addralign methods of relaxed input sections.
2384         (Orphan_output_section::set_section_addresses): Call current_data_size
2385         and addralign methods of relaxed input sections.
2386         * symtab.cc (Symbol_table::compute_final_value): Extract template
2387         from the body of Symbol_table::sized_finalize_symbol.
2388         (Symbol_table::sized_finalized_symbol): Call
2389         Symbol_table::compute_final_value.
2390         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
2391         (Symbol_table::compute_final_value): New templated method declaration.
2392         * target.cc (Target::do_make_output_section): New method defintion.
2393         * target.h (Target::make_output_section): New method declaration.
2394         (Target::relax): Add more parameters for input objects, symbol table
2395         and layout.  Adjust call to do_relax.
2396         (Target::do_make_output_section): New method declaration.
2397         (Target::do_relax): Add parameters for input objects, symbol table
2398         and layout.
2399
2400 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2401
2402         * pread.c: Include stdio.h.
2403
2404 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2405
2406         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
2407         defined.
2408
2409 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2410
2411         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2412         Change read_shndx type to unsigned int.
2413         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2414         int.
2415         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2416         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
2417         Change read_shndx type to unsigned int.
2418         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2419         int.
2420         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2421         * layout.cc (Layout::create_symtab_sections): Cast the result of
2422         local_symcount * symsize to off_t in the gold_assert.
2423
2424 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2425
2426         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
2427         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
2428         R_ARM_BASE_ABS.
2429         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
2430         (Arm_relocate_functions::thm_abs5): New function.
2431         (Arm_relocate_functions::abs12): New function.
2432         (Arm_relocate_functions::abs16): New function.
2433         (Arm_relocate_functions::base_abs): New function.
2434         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
2435         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
2436         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
2437         R_ARM_BASE_ABS.
2438         (Scan::global): Likewise.
2439         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
2440         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
2441         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
2442         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
2443         R_ARM_BASE_ABS.
2444
2445 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2446
2447         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
2448         (Arm_relocate_functions::movt_prel): New function.
2449         (Arm_relocate_functions::thm_movw_prel_nc): New function.
2450         (Arm_relocate_functions::thm_movt_prel): New function.
2451         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
2452         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
2453         (Scan::global, Relocate::relocate): Likewise.
2454         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2455
2456 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2457
2458         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
2459         Incremental_checker.
2460         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
2461         unsigned int.
2462         (class Incremental_inputs_header): New class.
2463         (Incremental_inputs_header_writer): Edit comment.
2464         (Incremental_inputs_entry): New class.
2465         (Incremental_inputs_entry_writer): Edit comment.
2466         (Sized_incremental_binary::do_find_incremental_inputs_section):
2467         Add *strtab_shndx parameter, fill it.
2468         (Sized_incremental_binary::do_check_inputs): New method.
2469         (Incremental_checker::can_incrementally_link_output_file): Use
2470         Sized_incremental_binary::check_inputs.
2471         (Incremental_inputs::report_command_line): Save command line in
2472         command_line_.
2473         * incremental.h:
2474         (Incremental_binary::find_incremental_inputs_section): New
2475         method.
2476         (Incremental_binary::do_find_incremental_inputs_section): Add
2477         strtab_shndx parameter.
2478         (Incremental_binary::do_check_inputs): New pure virtual method.
2479         (Sized_incremental_binary::do_check_inputs): Declare.
2480         (Incremental_checker::Incremental_checker): Add incremental_inputs
2481         parameter, use it to initialize incremental_inputs_.
2482         (Incremental_checker::incremental_inputs_): New field.
2483         (Incremental_checker::command_line): New method.
2484         (Incremental_checker::inputs): New method.
2485         (Incremental_checker::command_line_): New field.
2486
2487 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2488
2489         * incremental.cc: Include <cstdarg> and "target-select.h".
2490         (vexplain_no_incremental): New function.
2491         (explain_no_incremental): New function.
2492         (Incremental_binary::error): New method.
2493         (Sized_incremental_binary::do_find_incremental_inputs_section): New
2494         method.
2495         (make_sized_incremental_binary): New function.
2496         (open_incremental_binary): New function.
2497         (can_incrementally_link_file): Add checks if output is ELF and has
2498         inputs section.
2499         * incremental.h: Include "elfcpp_file.h" and "output.h".
2500         (Incremental_binary): New class.
2501         (Sized_incremental_binary): New class.
2502         (open_incremental_binary): Declare.
2503         * object.cc (is_elf_object): Use
2504         elfcpp::Elf_recognizer::is_elf_file.
2505         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
2506         * output.h (Output_file::filesize): New method.
2507
2508 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2509
2510         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
2511         New function.
2512         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
2513         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
2514         function.
2515         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
2516         function.
2517         (Arm_relocate_functions::movw_abs_nc): New function.
2518         (Arm_relocate_functions::movt_abs): New function.
2519         (Arm_relocate_functions::thm_movw_abs_nc): New function.
2520         (Arm_relocate_functions::thm_movt_abs): New function.
2521         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
2522         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
2523         (Scan::global): Likewise.
2524         (Relocate::relocate): Likewise.
2525         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2526
2527 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2528
2529         * arm.cc (Arm_relocate_functions::got_prel) New function.
2530         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
2531         (Relocate::relocate): Likewise.
2532         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2533
2534 2009-10-06  Ian Lance Taylor  <iant@google.com>
2535
2536         * options.h (class General_options): Define
2537         split_stack_adjust_size parameter.
2538         * object.h (class Object): Add uses_split_stack_ and
2539         has_no_split_stack_ fields.  Add uses_split_stack and
2540         has_no_split_stack accessor functions.  Declare
2541         handle_split_stack_section.
2542         (class Reloc_symbol_changes): Define.
2543         (class Sized_relobj): Define Function_offsets.  Declare
2544         split_stack_adjust, split_stack_adjust_reltype, and
2545         find_functions.
2546         * object.cc (Object::handle_split_stack_section): New function.
2547         (Sized_relobj::do_layout): Call handle_split_stack_section.
2548         * dynobj.cc (Sized_dynobj::do_layout): Call
2549         handle_split_stack_section.
2550         * reloc.cc (Sized_relobj::relocate_sections): Call
2551         split_stack_adjust for executable sections in split_stack
2552         objects.  Pass reloc_map to relocate_section.
2553         (Sized_relobj::split_stack_adjust): New function.
2554         (Sized_relobj::split_stack_adjust_reltype): New function.
2555         (Sized_relobj::find_functions): New function.
2556         * target-reloc.h: Include "object.h".
2557         (relocate_section): Add reloc_symbol_changes parameter.  Change
2558         all callers.
2559         * target.h (class Target): Add calls_non_split method.  Declare
2560         do_calls_non_split virtual method.  Declare match_view and
2561         set_view_to_nop.
2562         * target.cc: Include "elfcpp.h".
2563         (Target::do_calls_non_split): New function.
2564         (Target::match_view): New function.
2565         (Target::set_view_to_nop): New function.
2566         * gold.cc (queue_middle_tasks): Give an error if mixing
2567         split-stack and non-split-stack objects with -r.
2568         * i386.cc (Target_i386::relocate_section): Add
2569         reloc_symbol_changes parameter.
2570         (Target_i386::do_calls_non_split): New function.
2571         * x86_64.cc (Target_x86_64::relocate_section): Add
2572         reloc_symbol_changes parameter.
2573         (Target_x86_64::do_calls_non_split): New function.
2574         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
2575         parameter.
2576         * powerpc.cc (Target_powerpc::relocate_section): Add
2577         reloc_symbol_changes parameter.
2578         * sparc.cc (Target_sparc::relocate_section): Add
2579         reloc_symbol_changes parameter.
2580         * configure.ac: Call AM_CONDITIONAL for the default target.
2581         * configure: Rebuild.
2582         * testsuite/Makefile.am (TEST_AS): New variable.
2583         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
2584         (check_DATA): Add split_i386 and split_x86_64 files.
2585         (SPLIT_DEFSYMS): Define.
2586         (split_i386_[1234n].o): New targets.
2587         (split_i386_[124]): New targets.
2588         (split_i386_[1234r].stdout): New targets.
2589         (split_x86_64_[1234n].o): New targets.
2590         (split_x86_64_[124]): New targets.
2591         (split_x86_64_[1234r].stdout): New targets.
2592         (MOSTLYCLEANFILES): Add new executables.
2593         * testsuite/split_i386.sh: New file.
2594         * testsuite/split_x86_64.sh: New file.
2595         * testsuite/split_i386_1.s: New file.
2596         * testsuite/split_i386_2.s: New file.
2597         * testsuite/split_i386_3.s: New file.
2598         * testsuite/split_i386_4.s: New file.
2599         * testsuite/split_i386_n.s: New file.
2600         * testsuite/split_x86_64_1.s: New file.
2601         * testsuite/split_x86_64_2.s: New file.
2602         * testsuite/split_x86_64_3.s: New file.
2603         * testsuite/split_x86_64_4.s: New file.
2604         * testsuite/split_x86_64_n.s: New file.
2605         * testsuite/testfile.cc (Target_test): Update relocation_section
2606         function.
2607         * testsuite/Makefile.in: Rebuild.
2608
2609 2009-10-06  Ian Lance Taylor  <iant@google.com>
2610
2611         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
2612         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
2613         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
2614         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
2615         the address on ldo_addrs_.
2616         (Target_i386::Relocate::fix_up_ldo): New function.
2617
2618 2009-10-06   Rafael Espindola  <espindola@google.com>
2619
2620         * plugin.cc (add_input_library): New.
2621         (Plugin::load): Add add_input_library to tv.
2622         (Plugin_manager::add_input_file): Add the is_lib argument.
2623         (add_input_file): Update call to Plugin_manager::add_input_file.
2624         (add_input_library): New.
2625         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2626
2627 2009-09-30  Doug Kwan  <dougkwan@google.com>
2628
2629         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
2630         symbol and call Symbol::may_need_copy_reloc to determine if
2631         a copy reloc is needed.
2632         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
2633         nocopyreloc is given in command line.
2634         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
2635         given in command line.
2636         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
2637         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
2638         of the removed Target_i386::may_need_copy_reloc.
2639         * options.h (copyreloc): New option with default value false.
2640         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2641         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
2642         instead of the removed Target_powerpc::may_need_copy_reloc.
2643         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2644         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
2645         instead of the removed Target_sparc::may_need_copy_reloc.
2646         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
2647         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
2648         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
2649         instead of the removed Target_x86_64::may_need_copy_reloc.
2650
2651 2009-09-30  Ian Lance Taylor  <iant@google.com>
2652
2653         * object.h (class Object): Remove target_ field, and target,
2654         sized_target, and set_target methods.
2655         (Object::sized_target): Remove.
2656         (class Sized_relobj): Update declarations.  Remove sized_target.
2657         * object.cc (Sized_relobj::setup): Remove target parameter.
2658         Change all callers.
2659         (Input_objects::add_object): Don't do anything with the target.
2660         (make_elf_sized_object): Add punconfigured parameter.  Change all
2661         callers.  Set or test parameter target.
2662         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
2663         Change all callers.
2664         * parameters.cc (Parameters::set_target): Change parameter type to
2665         be non-const.
2666         (Parameters::default_target): Remove.
2667         (set_parameters_target): Change parameter type to be non-const.
2668         (parameters_force_valid_target): New function.
2669         (parameters_clear_target): New function.
2670         * parameters.h (class Parameters): Update declarations.  Remove
2671         default_target method.  Add sized_target and clear_target
2672         methods.  Change target_ to be non-const.
2673         (set_parameters_target): Update declaration.
2674         (parameters_force_valid_target): Declare.
2675         (parameters_clear_target): Declare.
2676         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
2677         as NULL if we aren't searching.
2678         (Add_symbols::run): Don't check for compatible target.
2679         * fileread.cc (Input_file::open_binary): Call
2680         parameters_force_valid_target.
2681         * gold.cc (queue_middle_tasks): Likewise.
2682         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
2683         set_target on object.
2684         * dynobj.h (class Sized_dynobj): Update declarations.
2685         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
2686         make_elf_object returns NULL.
2687         (Archive::include_member): Don't check whether object target is
2688         compatible.
2689         * output.cc (Output_section::add_input_section): Get target from
2690         parameters.
2691         (Output_section::relax_input_section): Likewise.
2692         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
2693         parameters.
2694         (Sized_relobj::do_scan_relocs): Likewise.
2695         (Sized_relobj::relocate_sections): Likewise.
2696         * resolve.cc (Symbol_table::resolve): Likewise.
2697         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
2698         parameter.  Change all callers.
2699         (Symbol_table::add_from_object): Get target from parameters.
2700         (Symbol_table::add_from_relobj): Don't check object target.
2701         (Symbol_table::add_from_dynobj): Likewise.
2702         (Symbol_table::define_special_symbol): Get target from
2703         parameters.
2704         * symtab.h (class Symbol_table): Update declaration.
2705         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
2706         parameter.  Change all callers.  Clear parameter target.
2707         (Binary_test): Test target here.
2708         * testsuite/object_unittest.cc (gold_testsuite): Remove
2709         target_test_pointer parameter.  Change all callers.
2710         (Object_test): Test target here.
2711
2712 2009-09-26  Ian Lance Taylor  <iant@google.com>
2713
2714         * testsuite/initpri1.c: Don't try to use constructor priorities if
2715         compiling with gcc before 4.3.
2716
2717 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
2718
2719         * testsuite/retain_symbols_file_test.sh (check_present): Change
2720         output file name to retain_symbols_file_test.stdout.
2721         (check_absent): Likewise.
2722
2723 2009-09-18  Craig Silverstein  <csilvers@google.com>
2724
2725         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
2726         * options.cc: Include <cerrno> and <fstream>.
2727         (General_options::finalize): Parse -retain-symbols-file tag.
2728         * options.h: New flag.
2729         (General_options): New method should_retain_symbol, new
2730         variable symbols_to_retain.
2731         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
2732         should_retain_symbol map.
2733         * testsuite/Makefile.am (retain_symbols_file_test): New test.
2734         * testsuite/Makefile.in: Regenerate.
2735         * testsuite/retain_symbols_file_test.sh: New file.
2736
2737 2009-09-18  Nick Clifton  <nickc@redhat.com>
2738
2739         * po/es.po: Updated Spanish translation.
2740
2741 2009-09-17  Doug Kwan  <dougkwan@google.com>
2742
2743         * debug.h (DEBUG_RELAXATION): New constant.
2744         (DEBUG_ALL): Add DEBUG_RELAXATION.
2745         (debug_string_to_enum): Add relaxation debug option.
2746         * layout.cc
2747         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
2748         Layout::Relaxation_debug_check::read_sections,
2749         Layout::Relaxation_debug_check::read_sections): New method definitions.
2750         (Layout::Layout): Initialize data members
2751         record_output_section_data_from_scrips_,
2752         script_output_section_data_list_ and relaxation_debug_check_.
2753         (Layout::save_segments, Layout::restore_segments,
2754         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2755         Layout::relaxation_loop_body): New method definitions.
2756         (Layout::finalize): Support relaxation.  Move section layout code to
2757         Layout::relaxation_loop_body.
2758         (Layout::set_asection_address_from_script): Move code for orphan
2759         section placement out.
2760         (Layout::place_orphan_sections_in_script): New method definition.
2761         * layout.h (Output_segment_headers, Output_file_header):
2762         New forward class declarations.
2763         (Layout::~Layout): Define.
2764         (Layout::new_output_section_data_from_script): New method definition.
2765         (Layout::place_orphan_sections_in_script): New method declaration.
2766         (Layout::Segment_states): New type declaration.
2767         (Layout::save_segments, Layout::restore_segments,
2768         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2769         Layout::relaxation_loop_body): New method declarations.
2770         (Layout::Output_section_data_list): New type declaration.
2771         (Layout::Relaxation_debug_check): New class definition.
2772         (Layout::record_output_section_data_from_script_,
2773         Layout::script_output_section_data_list_, Layout::segment_states_,
2774         Layout::relaxation_debug_check_): New data members.
2775         * output.cc: (Output_section_headers::do_size): New method definition.
2776         (Output_section_headers::Output_section_headers): Move size
2777         computation to Output_section_headers::do_size.
2778         (Output_segment_headers::do_size): New method definition.
2779         (Output_file_header::Output_file_header): Move size computation to
2780         Output_file_header::do_size and call it.
2781         (Output_file_header::do_size): New method definition.
2782         (Output_data_group::Output_data_group): Adjust call to
2783         Output_section_data.
2784         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
2785         (Output_symtab_xindex::do_write): Add array bound check.
2786         (Output_section::Input_section::print_to_mapfile): Handle
2787         RELAXED_INPUT_SECTION_CODE.
2788         (Output_section::Output_section): Initialize data member checkpoint_.
2789         (Output_section::~Output_section): Delete checkpoint object pointed
2790         by checkpoint_.
2791         (Output_section::add_input_section): Always add an Input_section if
2792         relaxing.
2793         (Output_section::add_merge_input_section): Add assert.
2794         (Output_section::relax_input_section): New method definition.
2795         (Output_section::set_final_data_size): Set load address to zero for
2796         an unallocated section.
2797         (Output_section::do_address_and_file_offset_have_reset_values):
2798         New method definition.
2799         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
2800         Handle relaxed input section.
2801         (Output_section::sort_attached_input_sections): Checkpoint input
2802         section list lazily.
2803         (Output_section::get_input_sections): Change type of input_sections to
2804         list of Simple_input_section pointers.  Checkpoint input section list
2805         lazily.  Also handle relaxed input sections.
2806         (Output_section::add_input_section_for_script): Take a reference to
2807         a Simple_input_section object instead of Relobj pointer and section
2808         index as parameter.  Handle relaxed input sections.
2809         (Output_section::save_states, Output_section::restore_states): New
2810         method definitions.
2811         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
2812         (Output_data::is_data_size_fixed): New method definition.
2813         (Output_data::reset_addresss_and_file_offset): Do not reset data size
2814         if it is fixed.
2815         (Output_data::address_and_file_offset_have_reset_values): New method
2816         definition.
2817         (Output_data::do_address_and_file_offset_have_reset_values): New method
2818         definition.
2819         (Output_data::set_data_size): Check that data size is not fixed.
2820         (Output_data::fix_data_size): New method definition.
2821         (Output_data::is_data_size_fixed_): New data member.
2822         (Output_section_headers::set_final_data_size): New method definition.
2823         (Output_section_headers::do_size): New method declaration.
2824         (Output_segment_headers::set_final_data_size): New method definition.
2825         (Output_segment_headers::do_size): New method declaration.
2826         (Output_file_header::set_final_data_size)::New method definition.
2827         (Output_file_header::do_size)::New method declaration.
2828         (Output_section_data::Output_section_data): Add new parameter
2829         is_data_size_fixed and use it to fix data size.
2830         (Output_data_const::Output_data_const): Adjust call to base class
2831         constructor and fix data size.
2832         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
2833         base class constructor and fix data size.
2834         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
2835         base class constructor and fix data size.
2836         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
2837         class constructor and fix data size.
2838         (Output_data_group::set_final_data_size): New method definition.
2839         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
2840         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
2841         class constructor and fix data size.
2842         (Output_relaxed_input_section): New class definition.
2843         (Output_section::Simple_input_section): New class definition.
2844         (Output_section::get_input_sections): Adjust parameter list.
2845         (Output_section::add_input_section_for_script): Same.
2846         (Output_section::save_states, Output_section::restore_states,
2847         Output_section::do_address_and_file_offset_have_reset_values,
2848         (Output_section::Input_section::Input_section): Handle
2849         RELAXED_INPUT_SECTION_CODE.  Add new overload for
2850         Output_relaxed_input_section.
2851         (Output_section::Input_section::is_input_section,
2852         Output_section::Input_section::set_output_section): Handle relaxed
2853         input section.
2854         (Output_section::Input_section::is_relaxed_input_section,
2855         Output_section::Input_section::output_section_data,
2856         Output_section::Input_section::relaxed_input_section): New method
2857         definitions.
2858         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
2859         value.
2860         (Output_section::Input_section::u1_): Update comments.
2861         (Output_section::Input_section::u2_): Add new union member poris.
2862         (Output_section::Checkpoint_output_section): New classs definition.
2863         (Output_section::relax_input_section): New method declaration.
2864         (Output_section::checkpoint_): New data member.
2865         (Output_segment): Update comments.
2866         (Output_segment::Output_segment): Un-privatize copy constructor.
2867         (Output_segment::operator=): Un-privatize.
2868         * script-sections.cc (Output_section_element::Input_section_list):
2869         Change element type to Output_section::Simple_input_section.
2870         (Output_section_element_dot_assignment::set_section_addresses):
2871         Register output section data for relaxation clean up.
2872         (Output_data_exression::Output_data_expression): Adjust call to base
2873         constructor to fix data size.
2874         (Output_section_element_data::set_section_addresses): Register
2875         Output_data_expression object for relaxation clean up.
2876         (struct Input_section_info): Replace Relobj pointer and section index
2877         pair with Output_section::Simple_input_section and Convert struct to a
2878         class.
2879         (Input_section_sorter::operator()): Adjust access to
2880         Input_section_info data member to use accessors.
2881         (Output_section_element_input::set_section_addresses): Use layout
2882         parameter.  Adjust code to use Output_section::Simple_input_section
2883         and Input_secction_info classes.  Register filler for relaxation
2884         clean up.
2885         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2886         and section index pair with Output_section::Simple_input_section
2887         class.  Adjust code accordingly.
2888         (Phdrs_element::release_segment): New method definition.
2889         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2890         segment list.
2891         (Script_sections::release_segments): New method definition.
2892         * gold/script-sections.h (Script_sections::release_segments): New
2893         method declaration.
2894         * gold/target.h (Target::may_relax, Target::relax,
2895         Target::do_may_relax, Target::do_relax): New method definitions.
2896
2897 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2898
2899         * arm.cc (has_signed_unsigned_overflow): New function.
2900         (Arm_relocate_functions::abs8): New function.
2901         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2902         (Target_arm::Scan::global): Likewise.
2903         (Target_arm::relocate::relocate): Likewise.
2904         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2905         Likewise.
2906
2907 2009-09-16  Cary Coutant  <ccoutant@google.com>
2908
2909         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2910         * testsuite/Makefile.in: Regenerate.
2911
2912 2009-09-11  Nick Clifton  <nickc@redhat.com>
2913
2914         * po/gold.pot: Updated by the Translation project.
2915
2916 2009-09-08  Cary Coutant  <ccoutant@google.com>
2917
2918         * output.cc (Output_file::open): Add execute permission to empty file.
2919         * testsuite/Makefile.am (permission_test): New test.
2920         * testsuite/Makefile.in: Regenerate.
2921
2922 2009-09-02  Ian Lance Taylor  <iant@google.com>
2923
2924         * output.cc (Output_file::resize): Call map_no_anonymous rather
2925         than map.
2926
2927 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
2928
2929         * gold.cc: Include "incremental.h".
2930         (queue_initial_tasks): Call Incremental_checker methods.
2931         * incremental.cc: Include "output.h".
2932         (Incremental_checker::can_incrementally_link_output_file): New
2933         method.
2934         * incremental.h (Incremental_checker): New class.
2935
2936         * output.cc (Output_file::open_for_modification): New method.
2937         (Output_file::map_anonymous): Changed return type to bool.  Record
2938         map in base_ field.
2939         (Output_file::map_no_anonymous): New method, broken out of map.
2940         (Output_file::map): Use map_no_anonymous and map_anonymous.
2941         * output.h (class Output_file): Update declarations.
2942
2943 2009-08-24  Cary Coutant  <ccoutant@google.com>
2944
2945         * options.h (Command_line::Pre_options): New class.
2946         (Command_line::pre_options): New member.
2947         * options.cc (gold::options::ready_to_register): New variable.
2948         (One_option::register_option): Do nothing if not registering options.
2949         Assert if same short option registered twice.
2950         (General_options::General_options): Turn off option registration when
2951         done constructing.
2952         (Command_line::Pre_options::Pre_options): New constructor.
2953
2954 2009-08-24  Cary Coutant  <ccoutant@google.com>
2955
2956         * options.h (General_options::no_keep_memory): Remove incorrect
2957         short option.
2958
2959 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2960
2961         * Makefile.am (am__skiplex, am__skipyacc): New.
2962         * Makefile.in: Regenerate.
2963
2964 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2965
2966         * Makefile.am (AM_CPPFLAGS): Renamed from ...
2967         (INCLUDES): ... this.
2968         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
2969         (AM_CPPFLAGS): Renamed from ...
2970         (INCLUDE): ... this.
2971         * Makefile.in, testsuite/Makefile.in: Regenerate.
2972
2973         * Makefile.in: Regenerate.
2974         * aclocal.m4: Likewise.
2975         * config.in: Likewise.
2976         * configure: Likewise.
2977         * testsuite/Makefile.in: Likewise.
2978
2979         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2980         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
2981         * Makefile.in: Regenerate.
2982         * testsuite/Makefile.in: Regenerate.
2983
2984 2009-08-19  Cary Coutant  <ccoutant@google.com>
2985
2986         * resolve.cc (Symbol_table::resolve): Don't complain about defined
2987         symbols in shared libraries overridden by hidden or internal symbols
2988         in the main program.
2989
2990 2009-08-19  Chris Demetriou  <cgd@google.com>
2991
2992         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
2993         checking source file names in error messages.
2994
2995 2009-08-18  Doug Kwan  <dougkwan@google.com>
2996
2997         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
2998         an elcpp::Ehdr as parameter.  Adjust call to set_target.
2999         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3000         an elfcpp::Ehdr as parameter.
3001         * object.cc (Object::set_target): Remove the version that looks up
3002         a target and sets it.
3003         (Sized_relobj::setup): Take a Target object instead of
3004         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
3005         (make_elf_sized_object): Find target and ask target to
3006         make an ELF object.
3007         * object.h: (Object::set_target): Remove the version that looks up
3008         a target and sets it.
3009         (Sized_relobj::setup): Take a Target object instead of
3010         an elfcpp:Ehdr as parameter.
3011         * target.cc: Include dynobj.h.
3012         (Target::do_make_elf_object_implementation): New.
3013         (Target::do_make_elf_object): New.
3014         * target.h (Target::make_elf_object): New template declaration.
3015         (Target::do_make_elf_object): New method declarations.
3016         (Target::do_make_elf_object_implementation): New template declaration.
3017
3018 2009-08-14  Ian Lance Taylor  <iant@google.com>
3019
3020         * gold.h (FUNCTION_NAME): Define.
3021         (gold_unreachable): Use FUNCTION_NAME.
3022
3023 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3024
3025         * icf.cc (Icf::find_identical_sections): Issue a warning when a
3026         symbol in the --keep-unique list is not found.
3027
3028 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3029
3030         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3031         been maked as --keep-unique.
3032         (Icf::unfold_section): New function.
3033         * icf.h (Icf::unfold_section): New function.
3034         * options.h (General_options::keep_unique): New option.
3035         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3036         * testsuite/Makefile.in: Regenerate.
3037         * testsuite/icf_keep_unique_test.sh: New file.
3038         * testsuite/icf_keep_unique_test.cc: New file.
3039
3040 2009-08-12  Cary Coutant  <ccoutant@google.com>
3041
3042         PR 10471
3043         * resolve.cc (Symbol_table::resolve): Check for references from
3044         dynamic objects to hidden and internal symbols.
3045         * testsuite/Makefile.am (hidden_test.sh): New test.
3046         * testsuite/Makefile.in: Regenerate.
3047         * testsuite/hidden_test.sh: New script.
3048         * testsuite/hidden_test_1.c: New test source.
3049         * testsuite/hidden_test_main.c: New test source.
3050
3051 2009-08-11  Doug Kwan  <dougkwan@google.com>
3052
3053         * arm.cc: Update comments.
3054         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3055         segment to locate the .ARM.exidx section if present.
3056
3057 2009-08-09  Doug Kwan  <dougkwan@google.com>
3058
3059         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3060         patch.
3061
3062 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
3063         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3064         compiler warnings.
3065
3066 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
3067
3068         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3069         valid tls_segment only for non-debug-section relocations.
3070         * testsuite/Makefile.am: Add gc_tls_test.
3071         * testsuite/Makefile.in: Regenerate.
3072         * testsuite/gc_tls_test.cc: New file.
3073         * testsuite/gc_tls_test.sh: New file.
3074
3075 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
3076
3077         * icf.cc: New file.
3078         * icf.h: New file.
3079         * Makefile.am (CCFILES): Add icf.cc.
3080         (HFILES): Add icf.h
3081         * Makefile.in: Regenerate.
3082         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3083         * gc.h (gc_process_relocs): Populate lists used by icf to contain
3084         section, symbol and addend information for the relocs.
3085         * gold.cc (queue_middle_tasks): Call identical code folding.
3086         * gold.h: Add defines for multimap.
3087         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
3088         to the call of finalize_local_symbols.
3089         * main.cc (main): Create object of class Icf.
3090         * object.cc (Sized_relobj::do_layout): Allow this function to be
3091         called twice during icf.
3092         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
3093         to sections marked as identical by icf.
3094         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
3095         when available.
3096         (Sized_relobj::do_section_entsize): New function.
3097         * object.h (Object::section_entsize): New function.
3098         (Object::do_section_entsize): New pure virtual function.
3099         (Relobj::finalize_local_symbols): Add new parameter.
3100         (Relobj::do_section_entsize): New function.
3101         * options.h (General_options::icf): New option.
3102         (General_options::icf_iterations): New option.
3103         (General_options::print_icf_sections): New option.
3104         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
3105         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
3106         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
3107         icf.
3108         * symtab.cc (Symbol_table::is_section_folded): New function.
3109         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
3110         to sections marked as identical by icf.
3111         * symtab.h (Symbol_table::set_icf): New function.
3112         (Symbol_table::icf): New function.
3113         (Symbol_table::is_section_folded): New function.
3114         (Symbol_table::icf_): New data member.
3115         * target-reloc.h (relocate_section): Ignore sections folded by icf.
3116         * testsuite/Makefile.am: Add commands to build icf_test.
3117         * testsuite/Makefile.in: Regenerate.
3118         * testsuite/icf_test.sh: New file.
3119         * testsuite/icf_test.cc: New file.
3120
3121 2009-07-24  Chris Demetriou  <cgd@google.com>
3122
3123         * layout.cc (is_compressible_debug_section): Fix incorrect
3124         comment about compressed section names.
3125
3126 2009-07-20  Ian Lance Taylor  <ian@airs.com>
3127
3128         PR 10419
3129         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
3130
3131 2009-07-16  Ian Lance Taylor  <iant@google.com>
3132
3133         PR 10400
3134         * layout.h: #include <map>.
3135         (class Kept_section): Change from struct to class.  Add accessors
3136         and setters.  Add section size to Comdat_group mapping.  Change
3137         Comdat_group to std::map.  Add is_comdat_ field.  Add
3138         linkonce_size field in union.
3139         (class Layout): Update declaration of find_or_add_kept_section.
3140         Don't declare find_kept_object.
3141         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
3142         parameter.  Add object, shndx, is_comdat, and is_group_name
3143         parameters.  Change all callers.  Adjust for new Kept_section.
3144         (Layout::find_kept_object): Remove.
3145         * object.cc (Sized_relobj::include_section_group): Update use of
3146         Kept_section.  Rename secnum to shndx.  Only record
3147         Kept_comdat_section if sections are the same size.
3148         (Sized_relobj::include_linkonce_section): Update use of
3149         Kept_section.  Only record Kept_comdat_section if sections are the
3150         same size.  Set size of linkonce section.
3151         (Sized_relobj::map_to_kept_section): Update call to
3152         get_kept_comdat_section.
3153         * object.h (class Sized_relobj): Rename fields in
3154         Kept_comdat_section to drop trailing underscores; change object
3155         field to Relobj*.  Change Kept_comdat_section_table to store
3156         struct rather than pointer.
3157         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
3158         Add kept_object and kept_shndx parameters.  Change all callers.
3159         (Sized_relobj::get_kept_comdat_section): Change return type to
3160         bool.  Add kept_object and kept_shndx parameters.  Change all
3161         callers.
3162         * plugin.cc (Pluginobj::include_comdat_group): Update call to
3163         Layout::find_or_add_kept_section.
3164
3165 2009-07-09  Ian Lance Taylor  <iant@google.com>
3166
3167         * merge.cc (Object_merge_map::initialize_input_to_output_map):
3168         Reserve space in the hash table.
3169
3170 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
3171
3172         * fileread.cc (File_read::get_mtime): New method.
3173         * fileread.h (Timespec): New structure.
3174         (File_read::get_mtime): New method.
3175         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
3176         Renamed from timestamp_nsec.
3177         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
3178         Elf_Xword.
3179         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
3180         timestamp_nsec.
3181         (Incremental_inputs::report_archive): Save mtime; style fix.
3182         (Incremental_inputs::report_obejct): Save mtime; style fix.
3183         (Incremental_inputs::report_script): Save mtime; style fix.
3184         (Incremental_inputs::finalize_inputs): Style fix.
3185         (Incremental_inputs::finalize): Style fix.
3186         (Incremental_inputs::create_input_section_data): Store inputs
3187         mtime.
3188         * incremental.h (Incremental_inputs::report_script): Add mtime
3189         argument.
3190         (Incremental_inputs::Input_info::Input_info): Intialize only one
3191         union member.
3192         (Incremental_inputs::Input_info::archive): Move to nameless
3193         union.
3194         (Incremental_inputs::Input_info::obejct): Move to nameless union.
3195         (Incremental_inputs::Input_info::script): Move to nameless union.
3196         (Incremental_inputs::mtime): New field.
3197         * script.cc (read_input_script): Pass file mtime to
3198         Incremental_input.
3199         * script.h (Script_info::inputs): Style fix.
3200
3201 2009-07-01  Ian Lance Taylor  <ian@airs.com>
3202
3203         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
3204         instead of 32.
3205
3206 2009-06-24  Ian Lance Taylor  <iant@google.com>
3207
3208         PR 10156
3209         * layout.cc (Layout::choose_output_section): If we find an
3210         existing section, update the flags.
3211         (Layout::create_notes): New function, broken out of
3212         Layout::finalize.
3213         (Layout::finalize): Don't create note sections.
3214         (Layout::create_note): Don't crash if linker script discards
3215         section.
3216         (Layout::create_gold_note): Likewise.
3217         (Layout::create_build_id): Likewise.  Don't set
3218         after_input_sections on the section.
3219         (Layout::create_executable_stack_info): Remove target parameter.
3220         Change caller.
3221         * layout.h (class Layout): Declare create_notes.  Update
3222         declaration of create_executable_stack_info.
3223         * gold.cc (queue_middle_tasks): Call create_notes.
3224         * output.cc (Output_section::update_flags_for_input_section): Move
3225         here from output.h.  If SHF_ALLOC flag is newly set, mark address
3226         invalid.
3227         * output.h (Output_data::mark_address_invalid): New function.
3228         (class Output_section): Only declare, not define,
3229         update_flags_for_input_section.  Remove set_flags.
3230
3231 2009-06-24  Ian Lance Taylor  <iant@google.com>
3232
3233         * script-sections.cc (Output_section_definition::
3234         set_section_addresses): Rename shadowing local load_address to
3235         laddr.
3236
3237 2009-06-24  Ian Lance Taylor  <iant@google.com>
3238
3239         PR 10244
3240         * reloc.cc (relocate_sections): Skip empty relocation sections.
3241
3242 2009-06-23  Ian Lance Taylor  <iant@google.com>
3243
3244         PR 10156
3245         * layout.cc (Layout::create_note): Use choose_output_section
3246         rather than make_output_section.
3247
3248 2009-06-23  Ian Lance Taylor  <iant@google.com>
3249
3250         PR 10237
3251         * options.cc (General_options::parse_V): Set printed_version_.
3252         (General_options::General_options): Initialize printed_version_.
3253         * options.h (class General_options): Add printed_version_ field.
3254         * gold.cc (queue_initial_tasks): If there are no input files,
3255         don't give a fatal error if we printed the version information.
3256         (queue_middle_tasks): If using -r with a shared object, give a
3257         fatal error rather than an ordinary error.
3258
3259 2009-06-23  Ian Lance Taylor  <iant@google.com>
3260
3261         PR 10219
3262         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
3263         (Layout::make_output_section): Set have_stabstr_section_ if we see
3264         a .stab*str section.
3265         (Layout::finalize): Call link_stabs_sections.
3266         (Layout::link_stabs_sections): New file.
3267         * layout.h (class Layout): Add have_stabstr_section_ field.
3268         Declare link_stabs_sections.
3269
3270 2009-06-23  Doug Kwan  <dougkwan@google.com>
3271
3272         * Makefile.am (libgold_a_LIBADD): New.
3273         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
3274         * Makefile.in: Regenerate.
3275         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
3276         * configure: Regenerate.
3277         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
3278         * fileread.cc: Include sys/state.h
3279         * gold.h: Declare memmem and strndup if found missing.
3280         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
3281
3282 2009-06-23  Ian Lance Taylor  <iant@google.com>
3283
3284         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
3285         * configure: Rebuild.
3286
3287 2009-06-23  Ian Lance Taylor  <iant@google.com>
3288
3289         PR 10147
3290         * object.cc (Object::section_contents): Don't try to get a view if
3291         the section has length zero.
3292         (Object::handle_gnu_warning_section): If the section is empty, use
3293         the name of the section as the warning.
3294
3295 2009-06-23  Ian Lance Taylor  <iant@google.com>
3296
3297         PR 10133
3298         * stringpool.h (class Stringpool_template): Add optimize_ field.
3299         (Stringpool_template::set_optimize): New function.
3300         * stringpool.cc (Stringpool_template::Stringpool_template):
3301         Initialize optimize_ field.
3302         (Stringpool_template::set_string_offsets): Test local optimize
3303         fild rather than parameter.
3304         * layout.cc (Layout::Layout): Call set_optimize on the section
3305         name stringpool.
3306
3307 2009-06-22  Ian Lance Taylor  <iant@google.com>
3308
3309         PR 10030
3310         * yyscript.y: Parse TARGET.
3311         * script.cc (script_set_target): New function.
3312         * script-c.h (script_set_target): Declare.
3313         * options.cc (General_options::string_to_object_format): Rename
3314         from string_to_object_format in anonymous namespace.  Change
3315         callers.
3316         * options.h (class General_options): Declare
3317         string_to_object_format.
3318
3319 2009-06-22  Ian Lance Taylor  <iant@google.com>
3320
3321         * script-sections.cc (Script_sections::create_segments): Don't put
3322         program headers in a PT_LOAD segment if -n or -N.
3323
3324 2009-06-22  Ian Lance Taylor  <iant@google.com>
3325
3326         PR 10141
3327         * options.h (class General_options): Add -z lazy and -z now.  Sort
3328         -z options into alphabetical order.
3329         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
3330
3331 2009-06-21  Ian Lance Taylor  <iant@google.com>
3332
3333         * layout.cc (Layout::make_output_section): Call
3334         Target::new_output_section.
3335         (Layout::attach_allocated_section_to_segment): Put large section
3336         sections in a separate load segment with the large segment flag
3337         set.
3338         (Layout::segment_precedes): Sort large data segments after other
3339         load segments.
3340         (align_file_offset): New static function.
3341         (Layout::set_segment_offsets): Use align_file_offset.
3342         * output.h (class Output_section): Add is_small_section_ and
3343         is_large_section_ fields.
3344         (Output_section::is_small_section): New function.
3345         (Output_section::set_is_small_section):  New function.
3346         (Output_section::is_large_section): New function.
3347         (Output_section::set_is_large_section): New function.
3348         (Output_section::is_large_data_section): New function.
3349         (class Output_segment): Add is_large_data_segment_ field.
3350         (Output_segment::is_large_data_segment): New function.
3351         (Output_segment::set_is_large_data_segment): New function.
3352         * output.cc (Output_section::Output_section): Initialize new
3353         fields.
3354         (Output_segment::Output_segment): Likewise.
3355         (Output_segment::add_output_section): Add assertion that large
3356         data sections always go in large data segments.  Force small data
3357         sections to the end of the list of data sections.  Force small BSS
3358         sections to the start of the list of BSS sections.  For large BSS
3359         sections to the end of the list of BSS sections.
3360         * symtab.h (class Symbol): Declare is_common_shndx.
3361         (Symbol::is_defined): Check Symbol::is_common_shndx.
3362         (Symbol::is_common): Likewise.
3363         (class Symbol_table): Define enum Commons_section_type.  Update
3364         declarations.  Add small_commons_ and large_commons_ fields.
3365         * symtab.cc (Symbol::is_common_shndx): New function.
3366         (Symbol_table::Symbol_table): Initialize new fields.
3367         (Symbol_table::add_from_object): Put small and large common
3368         symbols in the right list.
3369         (Symbol_table::sized_finalized_symbol): Check
3370         Symbol::is_common_shndx.
3371         (Symbol_table::sized_write_globals): Likewise.
3372         * common.cc (Symbol_table::do_allocate_commons): Allocate new
3373         common symbol lists.  Don't call do_allocate_commons_list if the
3374         list is empty.
3375         (Symbol_table::do_allocate_commons_list): Remove is_tls
3376         parameter.  Add comons_section_type parameter.  Change all
3377         callers.  Handle small and large common symbols.
3378         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
3379         Symbol::is_common_shndx.
3380         * resolve.cc (symbol_to_bits): Likewise.
3381         * target.h (Target::small_common_shndx): New function.
3382         (Target::small_common_section_flags): New function.
3383         (Target::large_common_shndx): New function.
3384         (Target::large_common_section_flags): New function.
3385         (Target::new_output_section): New function.
3386         (Target::Target_info): Add small_common_shndx, large_common_shndx,
3387         small_common_section_flags, and large_common_section_flags
3388         fields.
3389         (Target::do_new_output_section): New virtual function.
3390         * arm.cc (Target_arm::arm_info): Initialize new fields.
3391         * i386.cc (Target_i386::i386_info): Likewise.
3392         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3393         Likewise.
3394         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
3395         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3396         (Target_x86_64::do_new_output_section): New function.
3397         * configure.ac: Define conditional MCMODEL_MEDIUM.
3398         * testsuite/Makefile.am (check_PROGRAMS): Add large.
3399         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
3400         (large_LDFLAGS): Define.
3401         * testsuite/large.c: New file.
3402         * testsuite/testfile.cc (Target_test::test_target_info):
3403         Initialize new fields.
3404         * configure, testsuite/Makefile.in: Rebuild.
3405
3406 2009-06-05  Doug Kwan  <dougkwan@google.com>
3407
3408         * Makefile.am (CCFILES): Add target.cc.
3409         * Makefile.in: Regenerate.
3410         * i386.cc (class Target_i386): Define new virtual method to
3411         override do_is_local_label_name in parent.
3412         * object.cc (Sized_relobj::do_count_local_symbols): Discard
3413         local symbols if --discard-locals or -X is given.
3414         * options.h (class General_options): Declare new options
3415         '--discard-locals' and '-X' for discarding locals.
3416         * target.h (class Target): Define new methods is_local_label_name.
3417         Declare new virtual method do_is_local_label_name.
3418         * target.cc: New file.
3419         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
3420         (check_SCRIPTS): Add discard_locals_test.sh.
3421         (check_DATA): Add discard_local_tests.syms.
3422         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
3423         (discard_local_tests.syms, discard_locals_test.o): New make rules.
3424         * testsuite/Makefile.in: Regenerate.
3425         * testsuite/discard_locals_test.c: New file.
3426         * testsuite/discard_locals_test.sh: Same.
3427
3428 2009-06-05  Doug Kwan  <dougkwan@google.com>
3429
3430         * object.cc (Sized_relobj::Sized_relobj): Initialize
3431         discarded_eh_frame_shndx_ to -1U.
3432         (Sized_relobj::do_layout): Record index of a discard .eh_frame
3433         section.
3434         (Sized_relobj::do_count_local_symbols): Skip local symbols in
3435         a discarded .eh_frame section.
3436         (Sized_relobj::do_finalize_local_symbols): Ditto.
3437         * object.h (class Sized_relobj): Declare new member
3438         discarded_eh_frame_shndx_.
3439         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
3440         (local_labels_test.o, local_labels_test): New rules.
3441         * testsuite/Makefile.in: Regenerate.
3442
3443 2009-06-04  Doug Kwan  <dougkwan@google.com>
3444
3445         * layout.cc (Layout::section_name_mapping): Add mapping for
3446         special ARM sections.
3447
3448 2009-06-03  Doug Kwan  <dougkwan@google.com>
3449
3450         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
3451         (utils::has_overflow): Same.
3452
3453 2009-06-03  Ian Lance Taylor  <iant@google.com>
3454
3455         * layout.cc (Layout::section_name_mapping): New array, replacing
3456         Layout::linkonce_mapping.
3457         (Layout::section_name_mapping_count): New variable, replacing
3458         Layout::linkonce_mapping_count.
3459         (Layout::linkonce_output_name): Remove.
3460         (Layout::output_section_name): Rewrite.
3461         * layout.h (class Layout): Rename Linkonce_mapping to
3462         Section_name_mapping, linkonce_mapping to section_name_mapping,
3463         linkonce_mapping_count to section_name_mapping_count.  Don't
3464         declare linkonce_output_name.
3465
3466 2009-06-03  Doug Kwan  <dougkwan@google.com>
3467
3468         * gold/arm.cc (namespace utils): New.
3469         (Target_arm::reloc_is_non_pic): Define new method.
3470         (class Arm_relocate_functions): New.
3471         (Target_arm::Relocate::relocate): Handle relocation types used by
3472         Android.
3473
3474 2009-06-03  Ian Lance Taylor  <iant@google.com>
3475
3476         * arm.cc (Target_arm::scan::global): Use || instead of |.
3477
3478 2009-06-02  Doug Kwan  <dougkwan@google.com>
3479
3480         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
3481         issued_non_pic_error_.
3482         (class Target_arm::Scan): Declare new method check_non_pic.
3483         Define new method symbol_needs_plt_entry.
3484         Declare new data member issued_non_pic_error_.
3485         (class Target_arm::Relocate): Declare new method
3486         should_apply_static_reloc.
3487         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
3488         (Target_arm::Scan::check_non_pic): Define new method.
3489         (Target_arm::Scan::local): Handle a small subset of reloc types used
3490         by Android.
3491         (Target_arm::Scan::local): Same.
3492         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
3493
3494 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
3495
3496         * incremental.cc (Incremental_inputs::report_command_line): Filter
3497         out --incremental-* options.
3498
3499 2009-05-29  Doug Kwan  <dougkwan@google.com>
3500
3501         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
3502         template class.
3503         (class Target_arm): Update comment.
3504         (Target_arm::Target_arm): Initialize new data members GOT_,
3505         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
3506         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
3507         and Target_arm::rel_dyn_section.
3508         Declare new_enum Target_arm::Got_type.
3509         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
3510         and DYNBSS_.
3511         Update commments for member do_dynsym_value.
3512         (Target_arm::got_size, Target_arm::plt_section,
3513         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
3514         new methods inside class defintion.
3515         (Target_arm::got_section): Define new method.
3516         (Target_arm::rel_dyn_section): Same.
3517         (Output_data_plt_arm): New template class.
3518         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
3519         (Output_data_plt_arm:do_adjust_output_section): Define new method.
3520         (Output_data_plt_arm::add_entry): Same.
3521         (Output_data_plt_arm::first_plt_entry): Define new
3522         static data member for PLT instruction template.
3523         (Output_data_plt_arm::plt_entry): Same.
3524         (Output_data_plt_arm::do_write): Define new method.
3525         (Target_arm::make_plt_entry): Same.
3526         (Target_arm::do_finalize_sections): Same.
3527         (Target_arm::do_dynsym_value): Same.
3528
3529 2009-05-28  Doug Kwan  <dougkwan@google.com>
3530
3531         * Makefile.am (TARGETSOURCES): Add arm.cc.
3532         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
3533         * Makefile.in: Regenerate.
3534         * arm.cc: New file.
3535         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
3536
3537 2009-05-26  Doug Kwan  <dougkwan@google.com>
3538
3539         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
3540         (General_options::check_excluded_libs): Strip off directories in
3541         archive name before matching like GNU ld does.
3542         * testsuite/Makefile.am (MOSTLYCLEANFILES,
3543         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
3544         (exclude_libs_test_LDFLAGS): Add linker option
3545         -Wl,--exclude-libs,libexclude_libs_test_3
3546         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
3547         an explicit archive without using -l.
3548         (alt/libexclude_libs_test_3.a): New make rule.
3549         * testsuite/Makefile.in: Regenerate.
3550         * testsuite/exclude_libs_test.c : Declare lib3_default().
3551         (main): Call it.
3552         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
3553         * exclude_libs_test_3.c: New file.
3554
3555 2009-05-26  Nick Clifton  <nickc@redhat.com>
3556
3557         * po/id.po: New Indonesian translation.
3558         * po/gold.pot: Updated template file.
3559
3560 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
3561
3562         * testsuite/Makefile.am: Add -ffunction-sections to compile
3563         gc_comdat_test files.  Add -Wl,--gc-sections to build
3564         gc_comdat_test.
3565         * testsuite/Makefile.in: Regenerate.
3566         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
3567
3568 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
3569
3570         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
3571         kept comdat section was garbage collected.
3572         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
3573         * testsuite/Makefile.in: Regenerate.
3574         * testsuite/gc_comdat_test.sh: New file.
3575         * testsuite/gc_comdat_test_1.cc: New file.
3576         * testsuite/gc_comdat_test_2.cc: New file.
3577
3578 2009-05-19  Doug Kwan  <dougkwan@google.com>
3579
3580         * archive.cc (Archive::Archive): Move constructor from archive.h
3581         to here.  Initialize no_export_.
3582         (Archive::get_elf_object_for_member): Set no_export flag of object.
3583         * archive.h (Archive::Archive): Move constructor body to
3584         archive.cc.
3585         (Archive::no_export): New method.
3586         (Archive::no_export_): New field.
3587         * object.h (Object::Object): Initialize no_export_ to false.
3588         (Object::no_export, Object::set_no_export): New methods.
3589         (Object::no_export_): New field.
3590         * options.cc (General_options::parse_exclude_libs): New method.
3591         (General_options::check_excluded_libs) Same.
3592         * options.h (exclude_libs): New option.
3593         (General_options::check_excluded_libs): New method declaration.
3594         (General_options::excluded_libs_): New field.
3595         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
3596         default or protected visibility if an object has no-export flag set.
3597         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
3598         (check_SCRIPTS): Add exclude_libs_test.sh.
3599         (check_DATA): Add exclude_libs_test.syms.
3600         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
3601         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
3602         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
3603         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
3604         (exclude_libs_test.syms, libexclude_libs_test_1.a,
3605         libexclude_libs_test_2.a): New rules.
3606         * testsuite/Makefile.in: Regenerate.
3607         * testsuite/exclude_libs_test.c: New file.
3608         * testsuite/exclude_libs_test.sh: Ditto.
3609         * testsuite/exclude_libs_test_1.c: Ditto.
3610         * testsuite/exclude_libs_test_2.c: Ditto.
3611
3612 2009-05-15  Ian Lance Taylor  <iant@google.com>
3613
3614         * configure.ac: Check for declarations for cases where libiberty.h
3615         checks HAVE_DECL_xxx.
3616         * configure, config.in: Rebuild.
3617
3618 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
3619
3620         * gold.h (Incremental_argument_list): Remove (invalid) forward
3621         declaration.
3622         * incremental.cc (Incremental_inputs::report_achive): New method.
3623         (Incremental_inputs::report_object): New method.
3624         (Incremental_inputs::report_script): New method.
3625         (Incremental_inputs::finalize_inputs): New method.
3626         (Incremental_inputs::finalize): Call finalize_inputs().
3627         (Incremental_inputs::sized_create_incremental_inputs_section_data):
3628         Create inputs entries.
3629         * incremental.h (Incremental_input_type): New enum.
3630         (Incremental_inputs::Incremental_input): Initialize new fields.
3631         (Incremental_inputs::report_inputs): New method.
3632         (Incremental_inputs::report_achive): New method.
3633         (Incremental_inputs::report_object): New method.
3634         (Incremental_inputs::report_script): New method.
3635         (Incremental_inputs::finalize_inputs): New method.
3636         (Incremental_inputs::Input_info): New struct.
3637         (Incremental_inputs::Input_info_map): New typedef.
3638         (Incremental_inputs::lock_): New field.
3639         (Incremental_inputs::Inputs_): New field.
3640         (Incremental_inputs::Inputs_map): New field.
3641         * main.cc (main): Call Incremental_input::report_inputs.
3642         * options.h (Input_argument_list): Typedef moved from
3643         Input_arguments.
3644         (Input_file_group::Files): Remove, use ::Input_argument_list.
3645         (Input_file_group::Input_argument_list): Remove, use
3646         ::Input_argument_list.
3647         * plugin.cc (Plugin_manager::add_input_file): Add error in
3648         incremental build.
3649         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
3650         functions.
3651         * script.cc (read_input_script): Call
3652         Incremental_input::report_script.
3653         * script.h (Script_info): New class.
3654
3655 2009-04-27  Ian Lance Taylor  <iant@google.com>
3656
3657         * x86_64.cc (do_adjust_output_section): Set entsize to
3658         plt_entry_size.
3659
3660 2009-04-23  Elliott Hughes  <enh@google.com>
3661
3662         * output.cc (Output_file::close): After short writes, continue
3663         writing from the correct offset in the buffer being written.
3664
3665 2009-04-23  Chris Demetriou  <cgd@google.com>
3666
3667         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
3668         * configure: Regenerate.
3669         * config.in: Regenerate.
3670         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
3671         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
3672
3673 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
3674
3675         * incremental.cc (Incremental_inputs_header_data): Renamed from
3676         Incremental_input_header_data.
3677         (Incremental_inputs_header_data::data_size): New field.
3678         (Incremental_inputs_header_data::put_input_file_count): Renamed
3679         from input_file_count.
3680         (Incremental_inputs_header_data::put_command_line_offset): Renamed
3681         from command_line_offset.
3682         (Incremental_inputs_header_data::put_reserved): Renamed from
3683         put_reserved.
3684         (Incremental_inputs_entry_data): Renamed from
3685         Incremental_input_entry_data.
3686         (Incremental_inputs_entry_data::data_size): New field.
3687         (Incremental_inputs::report_command_line): New method.
3688         (Incremental_inputs::finalize): New method.
3689         (Incremental_inputs::create_incremental_inputs_data): New method.
3690         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
3691         * incremental.h: New file.
3692         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
3693        (Layout::finalize): Create incremental inputs section in
3694         incremental builds.
3695        (Layout::create_incremental_info_sections): New method.
3696         * layout.h (Layout::incremental_inputs): New method.
3697        (Layout::create_incremental_info_sections): New method.
3698        (Layout::incremental_inputs_): New field.
3699         * main.cc (main): Notify Incremental_input of the command line.
3700
3701 2009-04-01  Ian Lance Taylor  <iant@google.com>
3702             Mikolaj Zalewski  <mikolajz@google.com>
3703
3704         * gold.h (reserve_unordered_map): Define, three versions, one for
3705         each version of Unordered_map.
3706         * layout.cc (Layout::Layout): Remove options parameter.  Add
3707         number_of_input_files parameter.  Don't initialize options_.
3708         Initialize number_of_input_files_ and resized_signatures_.  Move
3709         sections_are_attached_.
3710         (Layout::layout_group): Reserve space for group_signatures_.
3711         (Layout::find_or_add_kept_section): Change name parameter to be a
3712         reference.  Resize signatures_ map when it gets large enough.
3713         (Layout::layout_eh_frame): Use parameters->options() instead of
3714         this->options_.
3715         (Layout::make_output_section): Likewise.
3716         (Layout::attach_allocated_section_to_segment): Likewise.
3717         (Layout::finalize, Layout::create_executable_stack): Likewise.
3718         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
3719         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
3720         * layout.h (class Layout): Update declarations.  Remove options_
3721         field.  Add number_of_input_files_ and resized_signatures_
3722         fields.  Move sections_are_attached_ field.
3723         * main.cc (main): Pass number of input files to Layout
3724         constructor.  Don't pass options.
3725
3726 2009-03-30  Ian Lance Taylor  <iant@google.com>
3727
3728         * ffsll.c (ffsll): Correct implementation.
3729
3730 2009-03-27  Ian Lance Taylor  <iant@google.com>
3731
3732         * ffsll.c: New file.
3733         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
3734         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
3735         * ftruncate.c (ftruncate): Declare before definition.
3736         * mremap.c (mremap): Likewise.
3737         * pread.c (pread): Likewise.
3738         * configure, Makefile.in, config.in: Rebuild.
3739
3740         * mremap.c: New file.
3741         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
3742         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
3743         (mremap): Declare if HAVE_MREMAP is not defined.
3744         * configure, Makefile.in, config.in: Rebuild.
3745
3746 2009-03-27  Cary Coutant  <ccoutant@google.com>
3747
3748         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
3749         position independent.
3750         * sparc.cc (Target_sparc::check_non_pic): Likewise.
3751         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
3752
3753 2009-03-24  Cary Coutant  <ccoutant@google.com>
3754
3755         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
3756         an executable.
3757         (needs_dynamic_reloc): Likewise.
3758
3759 2009-03-24  Ian Lance Taylor  <iant@google.com>
3760
3761         * yyscript.y (file_cmd): Recognize EXTERN.
3762         (extern_name_list, extern_name_list_body): New nonterminals.
3763         * script.cc (script_add_extern): Define.
3764         * script-c.h (script_add_extern): Declare.
3765
3766 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
3767
3768         * object.cc (is_elf_object): Define.
3769         * object.h (is_elf_object): Declare.
3770         * archive.cc (Archive::get_elf_object_for_member): Call
3771         is_elf_object.
3772         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
3773
3774 2009-03-24  Elliott Hughes  <enh@google.com>
3775
3776         * output.cc (Output_file::map_anonymous): Define.
3777         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
3778         try an anonymous one.  Report the size if the mmap fails.
3779         * output.h (class Output_file): Declare map_anonymous.
3780
3781 2009-03-24  Ian Lance Taylor  <iant@google.com>
3782
3783         * target-select.cc (instantiate_target): Don't acquire the lock if
3784         the instantiated_target_ field has already been set.
3785
3786 2009-03-23  Ian Lance Taylor  <iant@google.com>
3787
3788         * gold-threads.h (class Initialize_lock): Define.
3789         * gold-threads.cc (class Initialize_lock_once): Define.
3790         (initialize_lock_control): New static variable.
3791         (initialize_lock_pointer): New static variable.
3792         (initialize_lock_once): New static function.
3793         (Initialize_lock::Initialize_lock): Define.
3794         (Initialize_lock::initialize): Define.
3795         * target-select.h: Include "gold-threads.h".
3796         (class Target_selector): Add lock_ and initialize_lock_ fields.
3797         Don't define instantiate_target, just declare it.
3798         * target-select.cc (Target_selector::Target_selector): Initialize
3799         new fields.
3800         (Target_selector::instantiate_target): Define.
3801         * descriptors.h: Include "gold-threads.h".
3802         (class Descriptors): Add initialize_lock_ field.
3803         * descriptors.cc (Descriptors::Descriptors): Initialize new
3804         field.
3805         (Descriptors::open): Use initialize_lock_ field
3806         * errors.h (class Errors): Add initialize_lock_ field.
3807         * errors.cc (Errors::Errors): Initialize new field.
3808         (Errors::initialize_lock): Use initialize_lock_ field.
3809         * powerpc.cc (class Target_selector_powerpc): Remove
3810         instantiated_target_ field.  In do_recognize call
3811         instantiate_target rather than do_instantiate_target.  In
3812         do_instantiate_target just allocate a new target.
3813         * sparc.cc (class Target_selector_sparc): Likewise.
3814
3815         * freebsd.h: New file.
3816         * i386.cc: Include "freebsd.h".
3817         (Target_i386): Derive from Target_freebsd rather than
3818         Sized_target.
3819         (Target_selector_i386): Derive from Target_selector_freebsd rather
3820         than Target_selector.
3821         * x86_64.cc: Include "freebsd.h".
3822         (Target_x86_64): Derive from Target_freebsd rather than
3823         Sized_target.
3824         (Target_selector_x86_64): Derive from Target_selector_freebsd
3825         rather than Target_selector.
3826         * target.h (class Target): Add adjust_elf_header and
3827         do_adjust_elf_header.
3828         * output.cc (Output_file_header:: do_sized_write): Call target
3829         adjust_elf_header routine.
3830         * configure.tgt: Set targ_osabi.
3831         * configure.ac: Define GOLD_DEFAULT_OSABI.
3832         * parameters.cc (Parameters::default_target): Pass
3833         GOLD_DEFAULT_OSABI to select_target.
3834         * target-select.h (class Target_selector): Make instantiate_target
3835         protected rather than private.
3836         * Makefile.am (HFILES): Add freebsd.h.
3837         * configure, Makefile.in, config.in: Rebuild.
3838
3839         * merge.cc (do_add_input_section): Correct pend value.  Change
3840         message about last entry not being null terminated from error to
3841         warning.
3842
3843 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
3844
3845         * incremental.cc: New file.
3846         * Makefile.am (CCFILES): Add incremental.cc.
3847         * Makefile.in: Rebuild.
3848
3849 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
3850
3851         * layout.cc (Layout::output_section_name): Preserve names
3852         of '.note.' sections.
3853
3854 2009-03-19  Ian Lance Taylor  <iant@google.com>
3855
3856         * descriptors.cc (Descriptors::open): Check that the options are
3857         valid before using them.
3858
3859 2009-03-18  Ian Lance Taylor  <iant@google.com>
3860
3861         * script-sections.h: Include <list>.
3862         (class Script_sections): Change Sections_elements from std::vector
3863         to std::list.  Typedef public Elements_iterator.  Add
3864         orphan_section_placement_, data_segment_align_start_, and
3865         saw_data_segment_align_ fields.  Remove data_segment_align_index_
3866         field.
3867         * script-sections.cc (class Orphan_section_placement): New class.
3868         (class Sections_element): Add virtual functions is_relro and
3869         orphan_section_init.  Remove virtual function place_orphan_here.
3870         (class Output_section_definition): Add is_relro and
3871         orphan_section_init.  Remove place_orphan_here.
3872         (class Orphan_output_section): Likewise.
3873         (Script_sections::Script_sections): Update for field changes.
3874         (Script_sections::data_segment_align): Set saw_data_segment_align_
3875         and data_segment_align_start_, not data_segment_align_index.
3876         (Script_sections::data_segment_relro_end): Check
3877         saw_data_segment_align_.  Use data_segment_align_start_ rather
3878         than data_segment_align_index_.
3879         (Script_sections::place_orphan): Rewrite to use
3880         Orphan_section_placement.
3881
3882 2009-03-17  Ian Lance Taylor  <iant@google.com>
3883
3884         * archive.cc (Archive::add_symbols): Check for a version attached
3885         to the symbol name in the archive map.
3886         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3887         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3888         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3889         (ver_test_11.a): New target.
3890         * testsuite/Makefile.in: Rebuild.
3891
3892         * configure.ac: Check for chsize and posix_fallocate.  Replace
3893         ftruncate.
3894         * ftruncate.c: New file, from gnulib.
3895         * output.cc (posix_fallocate): Define dummy version if not
3896         HAVE_POSIX_FALLOCATE.
3897         (Output_file::map): Call posix_fallocate rather than lseek and
3898         write.
3899         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3900         * configure, Makefile.in, config.in: Rebuild.
3901
3902 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
3903
3904         * layout.h (Layout::create_note): Add section_name parameter.
3905         * layout.cc (Layout::create_note): Likewise.
3906         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3907
3908 2009-03-17  Ian Lance Taylor  <iant@google.com>
3909
3910         * descriptors.cc: Include "options.h".
3911         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3912         (Descriptors::open): Always use O_CLOEXEC when opening a new
3913         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3914         then set FD_CLOEXEC.
3915
3916         * sparc.cc (class Target_sparc): Add has_got_section.
3917         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
3918         make sure we have a GOT section.
3919
3920         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
3921         (Target_sparc::Scan::local): Likewise.
3922         (Target_sparc::Scan::global): Likewise.
3923         (Target_sparc::Relocate::relocate): Likewise.
3924         (Target_sparc::Relocate::relocate_tls): Likewise.
3925
3926         * symtab.cc (Symbol_table::define_default_version): New function,
3927         broken out of add_from_object.
3928         (Symbol_table::add_from_object): Call define_default_version.
3929         (Symbol_table::define_special_symbol): Add resolve_oldsym
3930         parameter.  Change all callers.  If the version for a symbol comes
3931         from a version script, resolve it with the symbol with the same
3932         name with no version.  Also add the symbol without a version if
3933         appropriate.
3934         (do_define_in_output_data): If resolving with oldsym, don't delete
3935         sym.
3936         (do_define_in_output_segment): Likewise.
3937         (do_define_as_constant): Likewise.
3938         * symtab.h (class Symbol_table): Update declarations.
3939
3940 2009-03-13  Ian Lance Taylor  <iant@google.com>
3941
3942         * readsyms.cc (Read_symbols::incompatible_warning): New function.
3943         (Read_symbols::requeue): New function.
3944         (Read_symbols::do_read_symbols): If make_elf_object fails because
3945         the target type is not configured, and the file was searched for,
3946         issue a warning and retry with the next directory.
3947         (Add_symbols::run): If the file has an incompatible format, and
3948         it was searched for, requeue the Read_symbols task.  On error,
3949         release the object.
3950         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
3951         dirindex parameter to constructor.  Change all callers.  Declare
3952         incompatible_warning and requeue.
3953         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
3954         input_argument_ and input_group_ fields.  Add them to
3955         constructor.  Change all callers.
3956         (class Read_script): Add dirindex_ field.  Add it to constructor.
3957         Change all callers.
3958         * archive.cc (Archive::setup): Remove input_objects parameter.
3959         Change all callers.
3960         (Archive::get_file_and_offset): Likewise.
3961         (Archive::read_all_symbols): Likewise.
3962         (Archive::read_symbols): Likewise.
3963         (Archive::get_elf_object_for_member): Remove input_objects
3964         parameter.  Add punconfigured parameter.  Change all callers.
3965         (Archive::add_symbols): Change return type to bool.  Check return
3966         value of include_member.
3967         (Archive::include_all_members): Likewise.
3968         (Archive::include_member): Change return type to bool.  Return
3969         false if first included object has incompatible target.  Set
3970         included_member_ field.
3971         (Add_archive_symbols::run): If add_symbols returns false, requeue
3972         Read_symbols task.
3973         * archive.h (class Archive): Add included_member_ field.
3974         Initialize it in constructor.  Add input_file and searched_for
3975         methods.  Update declarations.
3976         (class Add_archive_symbols): Add dirpath_, dirindex_, and
3977         input_argument_ fields.  Add them to constructor.  Change all
3978         callers.
3979         * script.cc: Include "target-select.h".
3980         (class Parser_closure): Add skip_on_incompatible_target_ and
3981         found_incompatible_target_ fields.  Add
3982         skip_on_incompatible_target parameter to constructor.  Change all
3983         callers.  Add methods skip_on_incompatible_target,
3984         clear_skip_on_incompatible_target, found_incompatible_target, and
3985         set_found_incompatible_target.
3986         (read_input_script): Add dirindex parameter.  Change all callers.
3987         If parser finds an incompatible target, requeue Read_symbols
3988         task.
3989         (script_set_symbol): Clear skip_on_incompatible_target in
3990         closure.
3991         (script_add_assertion, script_parse_option): Likewise.
3992         (script_start_sections, script_add_phdr): Likewise.
3993         (script_check_output_format): New function.
3994         * script.h (read_input_script): Update declaration.
3995         * script-c.h (script_check_output_format): Declare.
3996         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
3997         (ignore_cmd): Remove OUTPUT_FORMAT.
3998         * fileread.cc (Input_file::Input_file): Add explicit this.
3999         (Input_file::will_search_for): New function.
4000         (Input_file::open): Add pindex parameter.  Change all callers.
4001         * fileread.h (class Input_file): Add input_file_argument method.
4002         Declare will_search_for.  Update declarations.
4003         * object.cc (make_elf_object): Add punconfigured parameter.
4004         Change all callers.
4005         * object.h (class Object): Make input_file public.  Add
4006         searched_for method.
4007         (make_elf_object): Update declaration.
4008         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
4009         restart search.
4010         * dirsearch.h (class Dirsearch): Update declaration.
4011         * options.h (class General_options): Add --warn-search-mismatch.
4012         * parameters.cc (Parameters::is_compatible_target): New function.
4013         * parameters.h (class Parameters): Declare is_compatible_target.
4014         * workqueue.cc (Workqueue::add_blocker): New function.
4015         * workqueue.h (class Workqueue): Declare add_blocker.
4016
4017         * fileread.cc (Input_file::open): Remove options parameter.
4018         Change all callers.
4019         (Input_file::open_binary): Likewise.
4020         * script.cc (read_input_script): Likewise.
4021         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
4022         options parameter from constructor.  Change all callers.
4023         (class Read_script): Likewise.
4024         * fileread.h (class Input_file): Update declarations.
4025         * script.h (read_input_script): Update declaration.
4026
4027 2009-03-10  Nick Clifton  <nickc@redhat.com>
4028
4029         * po/es.po: New Spanish translation.
4030
4031 2009-03-06  Cary Coutant  <ccoutant@google.com>
4032
4033         * options.cc (parse_short_option): Keep dash_z from registering itself.
4034
4035 2009-03-03  Ian Lance Taylor  <iant@google.com>
4036
4037         PR 9918
4038         * target-reloc.h (relocate_section): Pass output_section to
4039         relocate.
4040         * i386.cc (Target_i386::should_apply_static_reloc): Add
4041         output_section parameter.  Change all callers.
4042         (Target_i386::Relocate::relocate): Add output_section parameter.
4043         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4044         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4045         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4046         * testsuite/two_file_shared.sh: New script.
4047         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4048         (check_DATA): Add two_file_shared.dbg.
4049         (two_file_shared.dbg): New target.
4050         * testsuite/Makefile.in: Rebuild.
4051
4052 2009-03-01  Ian Lance Taylor  <iant@google.com>
4053
4054         * configure.ac: Check for byteswap.h.
4055         * configure: Rebuild.
4056         * config.in: Rebuild.
4057
4058 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
4059
4060         * layout.cc (Layout::find_or_add_kept_section): New function.
4061         (Layout::add_comdat): Removed.
4062         * layout.h (struct Kept_section): Move out of class Layout.
4063         Remove trailing underscores from field names.  Add group_sections
4064         field.  Rename group_ field to is_group.  Change all uses.
4065         (class Layout): Declare find_or_add_kept_section, not add_comdat.
4066         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4067         comdat_groups_ field.
4068         (Sized_relobj::include_section_group): Use
4069         find_or_add_kept_section and Kept_section::group_sections.
4070         (Sized_relobj::include_linkonce_section): Likewise.
4071         * object.cc (class Sized_relobj): Don't define Comdat_group or
4072         Comdat_group_table.  Remove find_comdat_group and
4073         add_comdat_group.  Remove comdat_groups_ field.
4074         * plugin.cc (include_comdat_group): Use
4075         Layout::find_or_add_kept_section.
4076
4077 2009-02-28  Ian Lance Taylor  <iant@google.com>
4078
4079         * README: --gc-sections and map files are now supported.  Document
4080         some build requirements.
4081
4082         PR 6992
4083         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4084         relocatable link set the value of the section symbol to zero.
4085         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4086         relocatable link don't include the section address in the local
4087         symbol value.
4088
4089 2009-02-27  Ian Lance Taylor  <iant@google.com>
4090
4091         PR 6811
4092         * options.h (class Search_directory): Add is_system_directory.
4093         (class General_options): Declare is_in_system_directory.
4094         * options.cc (get_relative_sysroot): Make static.
4095         (get_default_sysroot): Make static.
4096         (General_optoins::is_in_system_directory): New function.
4097         * fileread.cc (Input_file::is_in_system_directory): New function.
4098         * fileread.h (class Input_file): Declare is_in_system_directory.
4099         * object.h (class Object): Add is_in_system_directory.
4100         (class Input_objects): Remove system_library_directory_ field.
4101         * object.cc (Input_objects::add_object): Don't set
4102         system_library_directory_.
4103         (input_objects::found_in_system_library_directory): Remove.
4104         * symtab.cc (Symbol_table::write_globals): Remove input_objects
4105         parameter.  Change all callers.
4106         (Symbol_table::sized_write_globals): Likewise.
4107         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
4108         Call Object::is_in_system_directory.
4109         * symtab.h (class Symbol_table): Update declarations.
4110
4111         PR 5990
4112         * descriptors.h (Open_descriptor): Add is_on_stack field.
4113         * descriptors.cc (Descriptors::open): If the descriptor is on the
4114         top of the stack, remove it.  Initialize is_on_stack field.
4115         (Descriptors::release): Only add pod to stack if it is not on the
4116         stack already.
4117         (Descriptors::close_some_descriptor): Clear stack_next and
4118         is_on_stack fields.
4119
4120         PR 7091
4121         * output.cc (Output_section::find_starting_output_address): Rename
4122         from starting_output_address; add PADDR parameter; change return
4123         type.
4124         * output.h (class Output_section): Declare
4125         find_starting_output_address instead of starting_output_address.
4126         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
4127         section symbol for which we can't find a merge section.
4128
4129         PR 9836
4130         * symtab.cc (Symbol_table::add_from_object): If the visibility is
4131         hidden or internal, force the symbol to be local.
4132         * resolve.cc (Symbol::override_visibility): Define.
4133         (Symbol::override_base): Use override_visibility.
4134         (Symbol_table::resolve): Likewise.
4135         (Symbol::override_base_with_special): Likewise.
4136         (Symbol_table::override_with_special): If the visibility is hidden
4137         or internal, force the symbol to be local.
4138         * symtab.h (class Symbol): Add set_visibility and
4139         override_visibility.
4140         * testsuite/ver_test_1.sh: New file.
4141         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
4142         (check_DATA): Add ver_test_1.syms.
4143         (ver_test_1.syms): New target.
4144         * testsuite/Makefile.in: Rebuild.
4145
4146 2009-02-25  Cary Coutant  <ccoutant@google.com>
4147
4148         * layout.cc (Layout::choose_output_section): Don't rename sections
4149         when using a linker script that has a SECTIONS clause.
4150         * Makefile.in: Regenerate.
4151
4152         * testsuite/Makefile.am (script_test_5.sh): New test case.
4153         * testsuite/Makefile.in: Regenerate.
4154         * testsuite/script_test_5.cc: New file.
4155         * testsuite/script_test_5.sh: New file.
4156         * testsuite/script_test_5.t: New file.
4157
4158 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
4159
4160         * archive.cc (Archive::include_member): Update calls to add_symbols.
4161         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
4162         the Layout argument.
4163         * dynobj.h (do_add_symbols): Add the Layout argument.
4164         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
4165         Layout argument.
4166         * object.h (Object::add_symbols): Add the Layout argument.
4167         (Object::do_add_symbols): Add the Layout argument.
4168         (Sized_relobj::do_add_symbols): Add the Layout argument.
4169         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
4170         Unify the two versions.
4171         (Add_plugin_symbols): Remove.
4172         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
4173         (Sized_pluginobj::do_add_symbols): Unify the two versions.
4174         (Add_plugin_symbols): Remove.
4175         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
4176         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
4177         (Add_symbols::run): Make it work with Pulginobj.
4178
4179 2009-02-06  Ian Lance Taylor  <iant@google.com>
4180
4181         * object.cc (Sized_relobj::do_layout): Make info message start
4182         with lower case letter.
4183
4184 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
4185
4186         * binary.cc: Fix file comment.
4187
4188         * options.h (enum Incremental_disposition): Define.
4189         (class General_options): Add new options: --incremental,
4190         --incremental_changed, --incremental_unchanged,
4191         --incremental_unknown.  Add incremental_disposition_ and
4192         implicit_incremental_ fields.
4193         (General_options::incremental_disposition): New function.
4194         (class Position_dependent_options): Add incremental_disposition
4195         option.
4196         (Position_dependent_options::copy_from_options): Set incremental
4197         dispositions.
4198         * options.cc (General_options::parse_incremental_changed): New
4199         function.
4200         (General_options::parse_incremental_unchanged): New function.
4201         (General_options::parse_incremental_unknown): New function.
4202         (General_options::General_options): Initialize new fields
4203         incremental_disposition_ and implicit_incremental_.
4204         (General_options::finalize): Check for uasge of --incremental-*
4205         without --incremental.
4206
4207 2009-02-06  Chris Demetriou  <cgd@google.com>
4208
4209         * gold.h (gold_undefined_symbol): Change to take only a Symbol
4210         pointer and to report location as the file name associated with
4211         the symbol.
4212         (gold_undefined_symbol_at_location): New function to replace the
4213         old gold_undefined_symbol functionality.
4214         * target-reloc.h (relocate_section): Update to use
4215         gold_undefined_symbol_at_location.
4216         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4217         Call gold_undefined_symbol function rather than gold_error.
4218         * errors.h (Errors::undefined_symbol): Take location as a
4219         string, rather than calculating it from a relocation.
4220         * errors.cc (Errors::fatal): Print "fatal error:" before the
4221         formatted message.
4222         (Errors::error, Errors::error_at_location): Print "error: "
4223         before the formatted message.
4224         (Errors::undefined_symbol): Take location as a string, rather
4225         than calculating it from a relocation.
4226         (gold_undefined_symbol_at_location): New function akin to
4227         old gold_undefined_symbol, calculates location from relocation.
4228         (gold_undefined_symbol): Change to take only a Symbol pointer
4229         and to report location as the file name associated with the symbol.
4230         * testsuite/debug_msg.sh: Update for changed error messages.
4231         * testsuite/undef_symbol.sh: Likewise.
4232
4233 2009-02-04  Duncan Sands  <baldrick@free.fr>
4234
4235         PR 9812
4236         * reduced_debug_output.h
4237         (Output_reduced_debug_abbrev_section::failed): Use format for
4238         gold_warning.
4239         (Output_reduced_debug_info_section::faild): Likewise.
4240
4241 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
4242
4243         * script.cc (Lazy_demangler): New class.
4244         (Version_script_info::get_symbol_version_helper): Demangle a
4245         symbol only once.
4246
4247 2009-01-29  Cary Coutant  <ccoutant@google.com>
4248
4249         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
4250         to __tls_get_addr.
4251         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4252
4253 2009-01-28  Ian Lance Taylor  <iant@google.com>
4254
4255         * version.cc (version_string): Bump to 1.9.
4256
4257         * gold.h: Include <cstring> and <stdint.h>.
4258         * version.cc: Include <cstdio>.
4259         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
4260         warning.
4261         * reduced_debug_output.cc (insert_into_vector): Rename from
4262         Insert_into_vector; change all callers.  Use Swap_unaligned to
4263         avoid aliasing issue; remove union since it is unnecessary.
4264
4265 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
4266
4267         * Makefile.am (CCFILES): Add gc.cc.
4268         (HFILES): Add gc.h.
4269         * Makefile.in: Regenerate.
4270         * gold.cc (Gc_runner): New class.
4271         (queue_initial_tasks): Call garbage collection related tasks
4272         when corresponding options are invoked.
4273         (queue_middle_gc_tasks): New function.
4274         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
4275         processed early before laying out sections during garbage collection.
4276         * gold.h (queue_middle_gc_tasks): New function.
4277         (is_prefix_of): Move from "layout.cc".
4278         * i386.cc (Target_i386::gc_process_relocs): New function.
4279         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
4280         * main.cc (main): Create object of class "Garbage_collection".
4281         * object.cc (Relobj::copy_symbols_data): New function.
4282         (Relobj::is_section_name_included): New function.
4283         (Sized_relobj::do_layout): Allow this function to be called twice
4284         during garbage collection and defer layout of section during the
4285         first call.
4286         * object.h (Relobj::get_symbols_data): New function.
4287         (Relobj::is_section_name_included): New function.
4288         (Relobj::copy_symbols_data): New function.
4289         (Relobj::set_symbols_data): New function.
4290         (Relobj::get_relocs_data): New function.
4291         (Relobj::set_relocs_data): New function.
4292         (Relobj::is_output_section_offset_invalid): New pure virtual function.
4293         (Relobj::gc_process_relocs): New function.
4294         (Relobj::do_gc_process_relocs): New pure virtual function.
4295         (Relobj::sd_): New data member.
4296         (Sized_relobj::is_output_section_offset_invalid): New function.
4297         (Sized_relobj::do_gc_process_relocs): New function.
4298         * options.h (General_options::gc_sections): Modify to not be a no-op.
4299         (General_options::print_gc_sections): New option.
4300         * plugin.cc (Plugin_finish::run): Remove function call to
4301         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
4302         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
4303         * reloc.cc (Read_relocs::run): Add task to process relocs and
4304         determine unreferenced sections when doing garbage collection.
4305         (Gc_process_relocs): New class.
4306         (Sized_relobj::do_gc_process_relocs): New function.
4307         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
4308         sections that are garbage collected.
4309         * reloc.h (Gc_process_relocs): New class.
4310         * sparc.cc (Target_sparc::gc_process_relocs): New function.
4311         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
4312         symbols whose corresponding sections are garbage collected.
4313         (Symbol_table::Symbol_table): Add new parameter for the garbage
4314         collection object.
4315         (Symbol_table::gc_mark_undef_symbols): New function.
4316         (Symbol_table::gc_mark_symbol_for_shlib): New function.
4317         (Symbol_table::gc_mark_dyn_syms): New function.
4318         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
4319         as garbage.
4320         (Symbol_table::add_from_object): Likewise.
4321         (Symbol_table::add_from_relobj): When building shared objects, do not
4322         treat externally visible symbols as garbage.
4323         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
4324         table information for static and relocatable links.
4325         * symtab.h (Symbol_table::set_gc): New function.
4326         (Symbol_table::gc): New function.
4327         (Symbol_table::gc_mark_undef_symbols): New function.
4328         (Symbol_table::gc_mark_symbol_for_shlib): New function.
4329         (Symbol_table::gc_mark_dyn_syms): New function.
4330         (Symbol_table::gc_): New data member.
4331         * target.h (Sized_target::gc_process_relocs): New pure virtual
4332         function.
4333         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
4334         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
4335
4336 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
4337
4338         * options.h (General_options::gc_sections): Define as a no-op for now.
4339         (General_options::no_keep_memory): Ditto.
4340         (General_options::Bshareable): Define.
4341         * options.cc (General_options::finalize): Honor -Bshareable.
4342
4343 2009-01-20  Andreas Schwab  <schwab@suse.de>
4344
4345         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
4346         read the value in the contents, since we don't use it.  Use the
4347         template endianness when writing.
4348         (Relocate::relocate): Use it for R_PPC_REL16_HA.
4349
4350 2009-01-19  Andreas Schwab  <schwab@suse.de>
4351
4352         * configure.tgt (powerpc64-*): Fix targ_obj.
4353
4354 2009-01-15  Ian Lance Taylor  <iant@google.com>
4355
4356         * object.cc (Sized_relobj::write_local_symbols): Don't write out
4357         local symbols when stripping all symbols.
4358
4359 2009-01-14  Cary Coutant  <ccoutant@google.com>
4360
4361         * output.cc (Output_reloc): Add explicit instantiations.
4362
4363 2009-01-14  Cary Coutant  <ccoutant@google.com>
4364
4365         * archive.cc (Archive::get_elf_object_for_member): Remove call
4366         to File_read::claim_for_plugin.
4367         * descriptors.cc (Descriptors::open): Remove reference to
4368         is_claimed.
4369         (Descriptors::claim_for_plugin): Remove.
4370         * descriptors.h (Descriptors::claim_for_plugin): Remove.
4371         (Descriptors::is_claimed): Remove.
4372         (claim_descriptor_for_plugin): Remove.
4373         * fileread.cc (File_read::claim_for_plugin): Remove.
4374         * fileread.h (File_read::claim_for_plugin): Remove.
4375         (File_read::descriptor): Reopen descriptor if necessary.
4376         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
4377         (Plugin_manager::all_symbols_read): Add task parameter. Change
4378         all callers.
4379         (Plugin_manager::get_input_file): New function.
4380         (Plugin_manager::release_input_file): New function.
4381         (Pluginobj::Pluginobj): Add filesize parameter and initialize
4382         corresponding data member.
4383         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
4384         and pass to base constructor. Change all callers.
4385         (get_input_file, release_input_file): New functions.
4386         (make_sized_plugin_object): Add filesize parameter. Change all callers.
4387         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
4388         (Plugin_manager::all_symbols_read): Add task parameter.
4389         (Plugin_manager::get_input_file): New function.
4390         (Plugin_manager::release_input_file): New function.
4391         (Plugin_manager::task_): New data member.
4392         (Pluginobj::Pluginobj): Add filesize parameter.
4393         (Pluginobj::filename): New function.
4394         (Pluginobj::descriptor): New function.
4395         (Pluginobj::filesize): New function.
4396         (Pluginobj::filesize_): New data member.
4397         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
4398         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
4399         File_read::claim_for_plugin; use Object::unlock to unlock the file.
4400
4401         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
4402         with archive libraries.
4403         * testsuite/Makefile.in: Regenerate.
4404         * testsuite/plugin_test.c (struct sym_info): New type.
4405         (get_input_file, release_input_file): New static variables.
4406         (onload): Capture new transfer vector entries.
4407         (claim_file_hook): Stop reading at end of file according to filesize.
4408         Factor out parsing of readelf output into separate function.
4409         (all_symbols_read_hook): Exercise get_input_file and release_input_file
4410         APIs and get the source file name from the symbol table.  Convert
4411         source file name to corresponding object file name.  Print info
4412         message when adding new input files.
4413         (parse_readelf_line): New function.
4414         * testsuite/plugin_test_1.sh: Add checks for new info messages.
4415         * testsuite/plugin_test_2.sh: Likewise.
4416         * testsuite/plugin_test_3.sh: Likewise.
4417         * testsuite/plugin_test_4.sh: New test case.
4418
4419 2009-01-07  Ian Lance Taylor  <iant@google.com>
4420
4421         * version.cc (version_string): Bump to 1.8.
4422
4423 2008-12-23  Cary Coutant  <ccoutant@google.com>
4424
4425         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
4426         * plugin.cc (Plugin_manager::finish): Rename as
4427         layout_deferred_objects.  Move cleanup to separate function.
4428         (Plugin_manager::cleanup): New function.
4429         (Plugin_finish::run): Call layout_deferred_objects and cleanup
4430         separately.
4431         * plugin.h (Plugin_manager::finish): Rename as
4432         layout_deferred_objects.
4433         (Plugin_manager::cleanup): New function.
4434         (Plugin_manager::cleanup_done): New field.
4435
4436 2008-12-23  Cary Coutant  <ccoutant@google.com>
4437
4438         * plugin.cc (is_visible_from_outside): New function.
4439         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
4440         so we don't return "IR only" status for exported symbols or -r links.
4441
4442         * testsuite/Makefile.am (plugin_test_3): New test case.
4443         * testsuite/Makefile.in: Regenerate.
4444         * testsuite/plugin_test_3.sh: New file.
4445
4446 2008-12-22  Cary Coutant  <ccoutant@google.com>
4447
4448         * object.cc (Sized_relobj::layout_section): New function.
4449         (Sized_relobj::do_layout): Defer layout of input sections until after
4450         plugin has provided replacement files.
4451         (Sized_relobj::do_layout_deferred_sections): New function.
4452         * object.h (Relobj::set_section_offset): Remove virtual keyword.
4453         (Relobj::layout_deferred_sections): New function.
4454         (Relobj::do_layout_deferred_sections): New function.
4455         (Sized_relobj::do_layout_deferred_sections): New function.
4456         (Sized_relobj::layout_section): New function.
4457         (Sized_relobj::Deferred_layout): New structure.
4458         (Sized_relobj::deferred_layout_): New field.
4459         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
4460         Change all callers.  Layout deferred sections.
4461         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
4462         references.
4463         (Plugin_hook::run): Move code from do_plugin_hook inline.
4464         (Plugin_hook::do_plugin_hook): Remove.
4465         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
4466         (Plugin_manager::finish): Renamed, was cleanup.
4467         (Plugin_manager::should_defer_layout): New function.
4468         (Plugin_manager::add_deferred_layout_object): New function.
4469         (Plugin_manager::Deferred_layout_list): New type.
4470         (Plugin_manager::deferred_layout_objects_): New field.
4471         (Plugin_hook::do_plugin_hook): Remove.
4472
4473 2008-12-17  Ian Lance Taylor  <iant@google.com>
4474
4475         * options.h (class General_options): Add --no case for
4476         --export-dynamic.
4477
4478 2008-12-16  Cary Coutant  <ccoutant@google.com>
4479
4480         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
4481         vector.
4482         (Plugin_manager::claim_file): Create plugin object even if
4483         plugin did not call the add_symbols callback.
4484         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
4485         asking for more symbols than were added.
4486         * testsuite/Makefile.am (plugin_test_1): Add test case with
4487         no global symbols.
4488         (empty.syms): New target.
4489         * testsuite/Makefile.in: Regenerate.
4490         * testsuite/plugin_test.c (claim_file_hook): Add new debug
4491         message. Don't call add_symbols if no globals.
4492         (all_symbols_read_hook): Don't provide replacement for empty
4493         claimed file.
4494
4495 2008-12-12  Ian Lance Taylor  <iant@google.com>
4496
4497         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
4498         r_type == 0 for a local symbol with r_sym == 0.
4499         (scan_relocatable_relocs): Pass r_sym to
4500         local_non_section_strategy.
4501         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
4502         r_sym parameter.
4503
4504         * configure.ac: Update test for TLS descriptors: they are
4505         supported as of glibc 2.9.
4506         * configure: Rebuild.
4507
4508 2008-12-11  Ian Lance Taylor  <iant@google.com>
4509
4510         PR 7091
4511         * target-reloc.h (Default_scan_relocatable_relocs): For each
4512         function, map r_type == 0 to RELOC_DISCARD.
4513
4514 2008-12-10  Cary Coutant  <ccoutant@google.com>
4515
4516         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
4517         object to override a kept COMDAT group from a plugin object.
4518
4519 2008-12-09  Ian Lance Taylor  <iant@google.com>
4520
4521         PR 7088
4522         * yyscript.y (file_cmd): Handle INPUT.
4523
4524         * testsuite/initpri1.c: Change all declarations to be full
4525         prototypes by adding void, to avoid compiler warnings.
4526
4527 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
4528
4529         * options.cc (General_options::parse_plugin_opt): New.
4530         (General_options::add_plugin): The argument now is just the filename.
4531         (General_options::add_plugin_option): New.
4532         * options.h (plugin_opt): New.
4533         (add_plugin): Change argument name.
4534         (add_plugin_option): New.
4535         * plugin.cc (Plugin::load): Don't parse the plugin option.
4536         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
4537         (Plugin::add_option): New.
4538         (Plugin::args_): Change type.
4539         (Plugin::filename_): New.
4540         (Plugin_manager::add_plugin_option): New.
4541         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
4542         * testsuite/Makefile.in: Regenerate.
4543
4544 2008-12-05  Cary Coutant  <ccoutant@google.com>
4545
4546         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
4547         Handle --strip-lto-sections option.
4548         * options.h (strip_lto_sections): New option.
4549
4550 2008-12-01  Cary Coutant  <ccoutant@google.com>
4551
4552         * plugin.cc (ld_plugin_message): Change format parameter to const.
4553         Fix mismatch between new[] and delete.
4554
4555 2008-11-14  Cary Coutant  <ccoutant@google.com>
4556
4557         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
4558         instead of -1U.
4559
4560 2008-11-05  Craig Silverstein  <csilvers@google.com>
4561
4562         * options.cc (General_options::parse_dynamic_list): New function.
4563         * options.h (General_options): New flags dynamic_list,
4564         dynamic_list_data, dynamic_list_cpp_new, and
4565         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
4566         (General_options::in_dynamic_list): New function.
4567         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
4568         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
4569         (Lex::can_continue_name): Likewise.
4570         (yylex): Likewise.
4571         (read_script_file): New parameter script_options.
4572         (read_dynamic_list): New function.
4573         (Script_options::define_dynamic_list): New function.
4574         (dynamic_list_keyword_parsecodes): New variable.
4575         (dynamic_list_keywords): New variable.
4576         * script.h (Script_options::define_dynamic_list): New function
4577         prototype.
4578         (read_dynamic_list): New function prototype.
4579         * symtab.cc (strprefix): New macro.
4580         (Symbol::should_add_dynsym_entry): Support dynamic_list,
4581         dynamic_list_data, dynamic_list_cpp_new, and
4582         dynamic_list_cpp_typeinfo.
4583         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
4584         (dynamic_list_expr): New rule.
4585         (dynamic_list_nodes): Likewise.
4586         (dynamic_list_node): Likewise.
4587         * testsuite/Makefile.am (dynamic_list): New test.
4588         * testsuite/Makefile.in: Regenerated.
4589         * testsuite/dynamic_list.t: New file.
4590         * testsuite/dynamic_list.sh: New file.
4591
4592 2008-11-05  Craig Silverstein  <csilvers@google.com>
4593
4594         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
4595         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
4596         (t11_last): Likewise.
4597         * testsuite/ver_test_6.c (main): Likewise.
4598
4599 2008-10-07  Cary Coutant  <ccoutant@google.com>
4600
4601         * options.c (General_options::finalize): Add check for -static and
4602         -shared.
4603         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
4604         is not empty.
4605
4606 2008-10-02  Cary Coutant  <ccoutant@google.com>
4607
4608         * plugin.cc (make_sized_plugin_object): Fix conditional
4609         compilation to work when not all targets are enabled.
4610
4611 2008-09-29  Cary Coutant  <ccoutant@google.com>
4612
4613         * archive.cc (Archive::get_file_and_offset): Use filename instead
4614         of name to get library path.
4615         (Archive::include_member): Unlock external member of a thin archive.
4616
4617         * testsuite/Makefile.am (TEST_AR): New variable.
4618         (thin_archive_test_1): New test.
4619         (thin_archive_test_2): New test.
4620         * testsuite/Makefile.in: Regenerate.
4621         * testsuite/thin_archive_main.cc: New file.
4622         * testsuite/thin_archive_test_1.cc: New file.
4623         * testsuite/thin_archive_test_2.cc: New file.
4624         * testsuite/thin_archive_test_3.cc: New file.
4625         * testsuite/thin_archive_test_4.cc: New file.
4626
4627 2008-09-29  Cary Coutant  <ccoutant@google.com>
4628
4629         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
4630         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
4631         instead of -1U.
4632         (Sized_relobj::do_finalize_local_symbols): Likewise.
4633         (Sized_relobj::map_to_kept_section): Likewise.
4634         * object.h (Sized_relobj::invalid_address): New constant.
4635         (Sized_relobj::do_output_section_offset): Check for invalid_address
4636         and return -1ULL.
4637         * output.cc (Output_reloc::local_section_offset): Use constant
4638         invalid_address instead of -1U.
4639         (Output_reloc::get_address): Likewise.
4640         (Output_section::output_address): Change -1U to -1ULL.
4641         * output.h (Output_reloc::invalid_address): New constant.
4642         * reloc.cc (Sized_relobj::write_sections): Use constant
4643         invalid_address instead of -1U.
4644         (Sized_relobj::relocate_sections): Likewise.
4645         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
4646         values for merge sections.
4647         * target-reloc.h (relocate_for_relocatable): Use constant
4648         invalid_address instead of -1U.
4649
4650 2008-09-19  Cary Coutant  <ccoutant@google.com>
4651
4652         Add plugin functionality for link-time optimization (LTO).
4653         * configure.ac (plugins): Add --enable-plugins option.
4654         * configure: Regenerate.
4655         * config.in: Regenerate.
4656         * Makefile.am (LIBDL): New variable.
4657         (CCFILES): Add plugin.cc.
4658         (HFILES): Add plugin.h.
4659         (ldadd_var): Add LIBDL.
4660         * Makefile.in: Regenerate.
4661
4662         * archive.cc: Include "plugin.h".
4663         (Archive::setup): Don't preread archive symbols when using a plugin.
4664         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
4665         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
4666         files.
4667         (Archive::include_member): Add symbols from plugin objects.
4668         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
4669         * descriptors.cc (Descriptors::open): Check for file descriptors
4670         abandoned by plugins.
4671         (Descriptors::claim_for_plugin): New function.
4672         * descriptors.h (Descriptors::claim_for_plugin): New function.
4673         (Open_descriptor::is_claimed): New field.
4674         (claim_descriptor_for_plugin): New function.
4675         * fileread.cc (File_read::claim_for_plugin): New function.
4676         * fileread.h (File_read::claim_for_plugin): New function.
4677         (File_read::descriptor): New function.
4678         * gold.cc: Include "plugin.h".
4679         (queue_initial_tasks): Add task to call plugin hooks for generating
4680         new object files.
4681         * main.cc: Include "plugin.h".
4682         (main): Load plugin libraries.
4683         * object.h (Pluginobj): Declare.
4684         (Object::pluginobj): New function.
4685         (Object::do_pluginobj): New function.
4686         (Object::set_target): New function.
4687         * options.cc: Include "plugin.h".
4688         (General_options::parse_plugin): New function.
4689         (General_options::General_options): Initialize plugins_ field.
4690         (General_options::add_plugin): New function.
4691         * options.h (Plugin_manager): Declare.
4692         (General_options): Add --plugin option.
4693         (General_options::has_plugins): New function.
4694         (General_options::plugins): New function.
4695         (General_options::add_plugin): New function.
4696         (General_options::plugins_): New field.
4697         * plugin.cc: New file.
4698         * plugin.h: New file.
4699         * readsyms.cc: Include "plugin.h".
4700         (Read_symbols::do_read_symbols): Check for archive before checking
4701         for ELF file.  Call plugin hooks to claim files.
4702         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
4703         from a real object file; force override when processing replacement
4704         files.
4705         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
4706         (Symbol::init_base_object): Likewise.
4707         (Symbol::init_base_output_data): Likewise.
4708         (Symbol::init_base_output_segment): Likewise.
4709         (Symbol::init_base_constant): Likewise.
4710         (Symbol::init_base_undefined): Likewise.
4711         (Symbol::output_section): Assert that object is not a plugin.
4712         (Symbol_table::add_from_pluginobj): New function.
4713         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
4714         undefined.
4715         (Symbol_table::sized_write_globals): Likewise.
4716         (Symbol_table::add_from_pluginobj): Instantiate template.
4717         * symtab.h (Sized_pluginobj): Declare.
4718         (Symbol::in_real_elf): New function.
4719         (Symbol::set_in_real_elf): New function.
4720         (Symbol::in_real_elf_): New field.
4721         (Symbol_table::add_from_pluginobj): New function.
4722
4723         * testsuite/Makefile.am (AM_CFLAGS): New variable.
4724         (LIBDL): New variable.
4725         (LDADD): Add LIBDL.
4726         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
4727         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
4728         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
4729         (MOSTLYCLEANFILES): Likewise.
4730         * testsuite/Makefile.in: Regenerate.
4731         * testsuite/plugin_test.c: New file.
4732         * testsuite/plugin_test_1.sh: New file.
4733         * testsuite/plugin_test_2.sh: New file.
4734
4735 2008-09-16  Ian Lance Taylor  <iant@google.com>
4736
4737         * target-reloc.h (relocate_section): Check whether a symbol is
4738         defined by the ABI before reporting an undefined symbol error.
4739         * target.h (Target::is_defined_by_abi): Make parameter const.
4740         (Target::do_is_defined_by_abi): Likewise.
4741         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
4742         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
4743         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
4744         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
4745         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
4746         * testsuite/Makefile.in: Rebuild.
4747
4748         * fileread.cc (make_view): Add casts to avoid warning.
4749
4750 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4751
4752         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
4753         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4754
4755 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4756
4757         * options.h (General_options::output_is_executable): New.
4758         (General_options::output_is_pie): New.
4759         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
4760         for shared libraries.
4761         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4762
4763 2008-09-11  Chris Demetriou  <cgd@google.com>
4764
4765         * options.h (origin): New -z option.
4766         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
4767         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
4768         in DT_FLAGS_1.
4769
4770 2008-09-05  Cary Coutant  <ccoutant@google.com>
4771
4772         * fileread.cc (File_read::make_view): Add check for attempt to map
4773         beyond end of file.
4774
4775 2008-09-05  Cary Coutant  <ccoutant@google.com>
4776
4777         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
4778         explicit instantiations.
4779
4780 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
4781
4782         PR gold/6858
4783         * options.cc (General_options::finalize): Allow undefined symbols
4784         in shlibs if linking -shared.
4785
4786         PR gold/6859
4787         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
4788         symbols as not needing a dynsym entry.
4789
4790 2008-08-20  Craig Silverstein  <csilvers@google.com>
4791
4792         * fileread.cc (File_read::open): Do not lock the file unless it
4793         was successfully opened.
4794
4795 2008-08-14  Cary Coutant  <ccoutant@google.com>
4796
4797         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
4798         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
4799         * testsuite/tls_test.cc (struct int128): 128-bit struct
4800         for testing TLS relocs with non-zero addend.
4801         (v12): New TLS variable.
4802         (t12): New test.
4803         (t_last): Add check for v12.
4804         * testsuite/tls_test.h (t12): New function.
4805         * testsuite/tls_test_main.cc (thread_routine): Call new test.
4806
4807 2008-08-13  Ian Lance Taylor  <iant@google.com>
4808
4809         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
4810         set tls_segment_ or relro_segment_.
4811         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
4812         when appropriate.
4813         * output.h (Output_section::clear_is_relro): New function.
4814         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
4815         sections specially even when output_data_ is empty.
4816         (Output_segment::maximum_alignment): When first section is relro,
4817         only force alignment for PT_LOAD segments.
4818         * script.cc (script_data_segment_align): New function.
4819         (script_data_segment_relro_end): New function.
4820         * script-c.h (script_data_segment_align): Declare.
4821         (script_data_segment_relro_end): Declare.
4822         * script-sections.h (class Script_sections): Declare
4823         data_segment_align and data_segment_relro_end.  Add fields
4824         segment_align_index_ and saw_relro_end_.
4825         * script-sections.cc (class Sections_element): Add set_is_relro
4826         virtual function.  Add new bool* parameter to place_orphan_here.
4827         Add get_output_section virtual function.
4828         (class Output_section_definition): Add set_is_relro.  Add new
4829         bool* parameter to place_orphan_here.  Add get_output_section.
4830         Add is_relro_ field.
4831         (Output_section_definition::Output_section_definition): Initialize
4832         evaluated_address_, evaluated_load_address, evaluated_addralign_,
4833         and is_relro_ fields.
4834         (Output_section_definition::place_orphan_here): Add is_relro
4835         parameter.
4836         (Output_section_definition::set_section_addresses): Set relro for
4837         output section.
4838         (Output_section_definition::alternate_constraint): Likewise.
4839         (class Orphan_output_section): Add new bool* parameter to
4840         place_orphan_here.  Add get_output_section.
4841         (Orphan_output_section::place_orphan_here): Add is_relro
4842         parameter.
4843         (Script_sections::Script_sections): Initialize
4844         data_segment_align_index_ and saw_relro_end_.
4845         (Script_sections::data_segment_align): New function.
4846         (Script_sections::data_segment_relro_end): New function.
4847         (Script_sections::place_orphan): Set or clear is_relro.
4848         (Script_sections::set_section_addresses): Force alignment of first
4849         TLS section.
4850         * yyscript.y (exp): Call script_data_segment_align and
4851         script_data_segment_relro_end.
4852         * testsuite/relro_script_test.t: New file.
4853         * testsuite/relro_test.cc (using_script): Declare.
4854         (t1, t2): Test using_script.
4855         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
4856         (relro_script_test_SOURCES): Define.
4857         (relro_script_test_DEPENDENCIES): Define.
4858         (relro_script_test_LDFLAGS): Define.
4859         (relro_script_test_LDADD): Define.
4860         (relro_script_test.so): New target.
4861         * testsuite/Makefile.in: Rebuild.
4862
4863 2008-08-06  Cary Coutant <ccoutant@google.com>
4864
4865         * archive.cc (Archive::total_archives, Archive::total_members)
4866         (Archive::total_members_loaded): New variables.
4867         (Archive::setup): Add parameter.  Add option to preread
4868         archive symbols.
4869         (Archive::read_armap): Add counter.
4870         (Archive::get_file_and_offset): New function.
4871         (Archive::get_elf_object_for_member): New function.
4872         (Archive::read_all_symbols): New function.
4873         (Archive::read_symbols): New function.
4874         (Archive::add_symbols): Add counters.
4875         (Archive::include_all_members): Use armap to find members if it's
4876         already built.
4877         (Archive::include_member): Skip reading symbols if already read.
4878         Factored code into Archive::get_file_and_offset and
4879         Archive::get_elf_object_for_member.  Changed call to
4880         Mapfile::report_include_archive_member.
4881         (Archive::print_stats): New function.
4882         * archive.h: Declare Object and Read_symbols_data classes.
4883         (Archive::Archive): Add initializers for new members.
4884         (Archive::setup): Add parameter.
4885         (Archive::print_stats): New function.
4886         (Archive::total_archives, Archive::total_members)
4887         (Archive::total_members_loaded): New variables.
4888         (Archive::get_file_and_offset): New function.
4889         (Archive::get_elf_object_for_member): New function.
4890         (Archive::read_all_symbols): New function.
4891         (Archive::read_symbols): New function.
4892         (Archive::Archive_member): New class.
4893         (Archive::members_): New member.
4894         (Archive::num_members_): New member.
4895         * main.cc: Include archive.h.
4896         (main): Call Archive::print_stats.
4897         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4898         archive parameter; member_name is now the fully-decorated name.
4899         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4900         * options.h: (General_options): Add --preread-archive-symbols option.
4901         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4902         Archive::setup.
4903
4904 2008-08-04  Ian Lance Taylor  <iant@google.com>
4905
4906         * symtab.h (Symbol::use_plt_offset): New function.
4907         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4908         * powerpc.cc (Relocate::relocate): Likewise.
4909         * sparc.cc (Relocate::relocate): Likewise.
4910         * x86_64.cc (Relocate::relocate): Likewise.
4911         * testsuite/weak_plt.sh: New test.
4912         * testsuite/weak_plt_main.cc: New test.
4913         * testsuite/weak_plt_shared.cc: New test.
4914         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
4915         (check_PROGRAMS): Add weak_plt.
4916         (check_DATA): Add weak_plt_shared.so.
4917         (weak_plt_main_pic.o, weak_plt): New targets.
4918         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
4919         * testsuite/Makefile.in: Rebuild.
4920
4921         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
4922         gcctestdir/ld.
4923         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
4924         * testsuite/Makefile.in: Rebuild.
4925
4926 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
4927
4928         * Makefile.am (POTFILES.in): Set LC_ALL=C.
4929         * Makefile.in: Regenerate.
4930         * po/POTFILES.in: Regenerate.
4931
4932 2008-07-29  Ian Lance Taylor  <iant@google.com>
4933
4934         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
4935         symbols before other symbols.
4936         * testsuite/script_test_2.cc (test_addr): Declare.
4937         (test_addr_alias): Declare.
4938         (main): Check that test_addr and test_addr_alias have the right
4939         values.
4940         * testsuite/script_test_2.t: Define test_addr_alias and
4941         test_addr.
4942
4943 2008-07-24  Ian Lance Taylor  <iant@google.com>
4944
4945         PR 5990
4946         * descriptors.cc: New file.
4947         * descriptors.h: New file.
4948         * gold-threads.h (class Hold_optional_lock): New class.
4949         * fileread.cc: Include "descriptors.h".
4950         (File_read::~File_read): Release descriptor rather than closing
4951         it.
4952         (File_read::open) [file]: Call open_descriptor rather than open.
4953         Set is_descriptor_opened_.
4954         (File_read::open) [memory]: Assert that descriptor is not open.
4955         (File_read::reopen_descriptor): New function.
4956         (File_read::release): Release descriptor.
4957         (File_read::do_read): Make non-const.  Reopen descriptor.
4958         (File_read::read): Make non-const.
4959         (File_read::make_view): Reopen descriptor.
4960         (File_read::do_readv): Likewise.
4961         * fileread.h (class File_read): Add is_descriptor_opened_ field.
4962         Update declarations.
4963         * layout.cc: Include "descriptors.h".
4964         (Layout::create_build_id): Use open_descriptor rather than open.
4965         * output.cc: Include "descriptors.h".
4966         (Output_file::open): Use open_descriptor rather than open.
4967         * archive.cc (Archive::const_iterator): Change Archive to be
4968         non-const.
4969         (Archive::begin, Archive::end): Make non-const.
4970         (Archive::count_members): Likewise.
4971         * archive.h (class Archive): Update declarations.
4972         * object.h (Object::read): Make non-const.
4973         * Makefile.am (CCFILES): Add descriptors.cc.
4974         (HFILES): Add descriptors.h.
4975         * Makefile.in: Rebuild.
4976
4977         PR 6716
4978         * gold.h: Always include <clocale>.  Add Solaris workarounds
4979         following code in binutils/sysdep.h.
4980
4981         PR 6048
4982         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
4983         this->eh_frame_hdr_ is NULL before using it.
4984
4985         * dynobj.cc (Versions::Versions): Update comment.
4986
4987         * dynobj.cc (Versions::Versions): If there is an soname, use it as
4988         the base version name.
4989
4990         * stringpool.cc (Stringpool_template::add_with_length): Set key to
4991         array size plus one.
4992         (Stringpool_template::set_string_offsets): Subtract one from key
4993         before using it as an array index.
4994         (Stringpool_template::get_offset_with_length): Likewise.
4995         (Stringpool_template::write_to_buffer): Likewise.
4996         * stringpool.h (Stringpool_template::get_offset_from_key):
4997         Likewise.
4998
4999 2008-07-23  Ian Lance Taylor  <iant@google.com>
5000
5001         PR 6658
5002         * object.h (Merged_symbol_value::value): Do our best to handle a
5003         negative addend.
5004
5005         PR 6647
5006         * script.cc (Version_script_info::get_versions): Don't add empty
5007         version tag to return value.
5008         (Version_script_info::get_symbol_version_helper): Change return
5009         type to bool.  Add pversion parameter.  Change all callers.
5010         (script_register_vers_node): Don't require a non-NULL tag.
5011         * script.h (class Version_script_info): Update declarations.
5012         (Version_script_info::get_symbol_version): Change return type to
5013         bool.  Add version parameter.  Change all callers.
5014         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5015         handling.  Handle an empty version from a version script.
5016         (Symbol_table::define_special_symbol): Likewise.
5017         * testsuite/ver_test_10.script: New file.
5018         * testsuite/ver_test_10.sh: New file.
5019         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5020         (check_DATA): Add ver_test_10.syms.
5021         (ver_test_10.syms, ver_test_10.so): New target.
5022         * testsuite/Makefile.in: Rebuild.
5023
5024 2008-07-23  Simon Baldwin  <simonb@google.com>
5025
5026         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5027         to zero for undefined symbols from dynamic libraries.
5028
5029 2008-07-23  Ian Lance Taylor  <iant@google.com>
5030
5031         * symtab.cc (Symbol_table::resolve): Remove version parameter.
5032         Change all callers.
5033         * symtab.h (class Symbol_table): Update declaration.
5034         * testsuite/ver_test_9.cc: New file.
5035         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5036         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5037         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5038         (ver_test_9.so, ver_test_9.o): New targets.
5039         * testsuite/Makefile.in: Rebuild.
5040
5041 2008-07-22  Ian Lance Taylor  <iant@google.com>
5042
5043         * options.h (class General_options): Define --check-sections.
5044         * layout.cc (Layout::set_segment_offsets): Handle
5045         --check-sections.
5046
5047         * options.h (class General_options): Define -n/--nmagic and
5048         -N/--omagic.
5049         * options.cc (General_options::finalize): For -n/--nmagic or
5050         -N/--omagic, set -static.
5051         * layout.cc (Layout::attach_allocated_section_to_segment): If
5052         -N/--omagic, don't put read-only and read-write sections in
5053         different segments.
5054         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5055         finding a read-only segment.
5056         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5057         don't set the minimum segment alignment to the common page size,
5058         and don't set the file offset to the address modulo the page size.
5059         * script-sections.cc (Script_sections::create_segments): If
5060         -n/--omagic, don't put read-only and read-write sections in
5061         different segments.
5062
5063         * cref.cc: New file.
5064         * cref.h: New file.
5065         * options.h (class General_options): Add --print-symbol-counts.
5066         * main.cc (main): Issue defined symbol report if requested.
5067         * archive.cc (Archive::interpret_header): Make into a const member
5068         function.
5069         (Archive::add_symbols): Call Input_objects::archive_start and
5070         archive_stop.
5071         (Archive::const_iterator): Define new class.
5072         (Archive::begin, Archive::end): New functions.
5073         (Archive::include_all_members): Rewrite to use iterator.
5074         (Archive::count_members): New function.
5075         * archive.h (class Archive): Update declarations.
5076         (Archive::filename): New function.
5077         * object.cc: Include "cref.h".
5078         (Sized_relobj::Sized_relobj): Initialize defined_count_.
5079         (Sized_relobj::do_get_global_symbol_counts): New function.
5080         (Input_objects::add_object): Add object to cross-referencer.
5081         (Input_objects::archive_start): New function.
5082         (Input_objects::archive_stop): New function.
5083         (Input_objects::print_symbol_counts): New function.
5084         * object.h: Declare Cref and Archive.
5085         (Object::get_global_symbol_counts): New function.
5086         (Object::do_get_global_symbol_counts): New pure virtual function.
5087         (class Sized_relobj): Add defined_count_ field.  Update
5088         declarations.
5089         (class Input_objects): Add cref_ field.  Update constructor.
5090         Update declarations.
5091         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
5092         defined_count_.
5093         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
5094         symbol counts.
5095         (Sized_dynobj::do_get_global_symbol_counts): New function.
5096         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
5097         defined_count_.  Update declarations.  Define Symbols typedef.
5098         * symtab.cc (Symbol_table::add_from_relobj): Add defined
5099         parameter.  Change all callers.
5100         (Symbol_table::add_from_dynobj): Add sympointers and defined
5101         parameters.  Change all callers.
5102         * symtab.h (class Symbol_table): Update declarations.
5103         * Makefile.am (CCFILES): Add cref.cc.
5104         (HFILES): Add cref.h.
5105         * Makefile.in: Rebuild.
5106
5107 2008-07-22  Simon Baldwin  <simonb@google.com>
5108
5109         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
5110         to zero when writing undefined symbols.
5111
5112 2008-07-22  Ian Lance Taylor  <iant@google.com>
5113
5114         * output.cc (Output_section::add_input_section): Don't try to
5115         merge empty merge sections.
5116
5117 2008-07-21  Craig Silverstein  <csilvers@google.com>
5118
5119         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5120         Include symbol version in error message.
5121
5122 2008-07-20  Chris Demetriou  <cgd@google.com>
5123
5124         * configure.ac (gold_cv_c_random_seed): New configured variable.
5125         (RANDOM_SEED_CFLAGS): New substituted variable.
5126         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
5127         * configure: Rebuild.
5128         * Makefile.in: Likewise.
5129         * testsuite/Makefile.in: Likewise.
5130
5131 2008-07-18  Ian Lance Taylor  <iant@google.com>
5132
5133         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
5134         where we see NAME/NULL and NAME/VERSION  as separate symbols.
5135         * testsuite/ver_test_main.cc (main): Call t4.
5136         (t4, t4_2a): Define.
5137         * testsuite/ver_test_2.cc (t4_2): Define.
5138         * testsuite/ver_test_2.script: Put t4_2a in VER2.
5139         * testsuite/ver_test_4.cc (t4_2a): Define.
5140         * testsuite/ver_test_4.script: Put t4_2a in VER2.
5141         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
5142
5143 2008-07-17  Ian Lance Taylor  <iant@google.com>
5144
5145         * dynobj.cc (Versions::add_def): If we give an error about a
5146         missing version, go ahead and create the version anyhow.
5147
5148 2008-07-10  Ian Lance Taylor  <iant@google.com>
5149
5150         Handle output sections with more than 0x7fffffff bytes.
5151         * object.h (class Relobj): Change map_to_output_ to
5152         output_sections_, and just keep a section pointer.  Change all
5153         uses.  Move comdat group support to Sized_relobj.
5154         (Relobj::is_section_specially_mapped): Remove.
5155         (Relobj::output_section): Remove poff parameter.  Change all
5156         callers.
5157         (Relobj::output_section_offset): New function.
5158         (Relobj::set_section_offset): Rewrite.
5159         (Relobj::map_to_output): Remove.
5160         (Relobj::output_sections): New function.
5161         (Relobj::do_output_section_offset): New pure virtual function.
5162         (Relobj::do_set_section_offset): Likewise.
5163         (class Sized_relobj): Add section_offsets_ field.  Add comdat
5164         group support from Relobj.  Update declarations.
5165         (Sized_relobj::get_output_section_offset): New function.
5166         (Sized_relobj::do_output_section_offset): New function.
5167         (Sized_relobj::do_set_section_offset): New function.
5168         * object.cc (Relobj::output_section_address): Remove.
5169         (Sized_relobj::Sized_relobj): Initialize new fields.
5170         (Sized_relobj::include_section_group): Cast find_kept_object to
5171         Sized_relobj.
5172         (Sized_relobj::include_linkonce_section): Likewise.
5173         (Sized_relobj::do_layout): Use separate arrays for output section
5174         and output offset.
5175         (Sized_relobj::do_count_local_symbols): Change map_to_output to
5176         output_sections.
5177         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
5178         output_sections and section_offsets.
5179         (Sized_relobj::write_local_symbols): Likewise.
5180         (map_to_kept_section): Compute output address directly.
5181         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
5182         output_sections and section_offsets.
5183         (Sized_relobj::write_sections): Likewise.
5184         (Sized_relobj::relocate_sections): Likewise.
5185         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
5186         * output.h (class Output_reloc): Update declarations.  Change
5187         u2_.relobj to Sized_relobj*.
5188         (class Output_data_reloc): Change add functions to use
5189         Sized_relobj*.
5190         * output.cc (Output_reloc::Output_reloc): Change relobj to
5191         Sized_relobj*.
5192         (Output_reloc::local_section_offset): Change return type to
5193         Elf_Addr.  Use get_output_section_offset.
5194         (Output_reloc::get_address): Likewise.
5195         (Output_section::is_input_address_mapped): Don't call
5196         is_section_specially_mapped.
5197         (Output_section::output_offset): Likewise.
5198         (Output_section::output_address): Likewise.
5199         (Output_section::starting_output_address): Likewise.
5200         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
5201         parameter to Sized_relobj*.
5202         (Copy_relocs::need_copy_reloc): Likewise.
5203         (Copy_relocs::save): Likewise.
5204         * copy-relocs.h (class Copy_relocs): Update declarations.
5205         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
5206         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
5207         * target-reloc.h (relocate_for_relocatable): Change
5208         offset_in_output_section type to Elf_Addr.  Change code that uses
5209         it as well.
5210         * layout.cc (Layout::layout): Always set *off.
5211         * mapfile.cc (Mapfile::print_input_section): Use
5212         output_section_offset.
5213         * i386.cc (Target_i386::copy_reloc): Change object parameter to
5214         Sized_relobj*.
5215         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
5216         * sparc.cc (Target_sparc::copy_reloc): Likewise.
5217         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
5218
5219 2008-07-03  Ian Lance Taylor  <iant@google.com>
5220
5221         * layout.cc (Layout::include_section): Do not discard unrecognized
5222         SHT_STRTAB sections.
5223
5224 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
5225
5226         * script.cc (Lex::can_continue_name): Make '?' allowable in
5227         version-script names.
5228         * testsuite/version_script.map: Change glob pattern to use '?'
5229
5230 2008-06-30  Manish Singh  <yosh@gimp.org>
5231
5232         PR 6585
5233         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
5234         Correct typo.
5235
5236 2008-06-30  Ian Lance Taylor  <iant@google.com>
5237
5238         PR 6660
5239         PR 6682
5240         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
5241         versions]: Don't try to read the value in the contents, since we
5242         don't use it.  Use the template endianness when writing.
5243
5244 2008-06-25  Cary Coutant  <ccoutant@google.com>
5245
5246         * fileread.cc (File_read::make_view): Assert on zero-length view.
5247         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
5248         symbol table when there are no symbols to read.
5249
5250 2008-06-23  Craig Silverstein  <csilvers@google.com>
5251
5252         * version.cc (version_string): Bump to 1.7
5253
5254 2008-06-18  Craig Silverstein  <csilvers@google.com>
5255
5256         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
5257         constant 0xFFFF to type Valtype.
5258         (Powerpc_relocate_functions::rel16_ha): Likewise.
5259
5260 2008-06-17  Ian Lance Taylor  <iant@google.com>
5261
5262         * output.h (Output_section::Input_section): Initialize p2align_ to
5263         zero for Output_section_data constructors.
5264         (Output_section::Input_section::addralign): If not an input
5265         section, return the alignment of the Output_section_data.
5266         * testsuite/copy_test.cc: New file.
5267         * testsuite/copy_test_1.cc: New file.
5268         * testsuite/copy_test_2.cc: New file.
5269         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
5270         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
5271         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
5272         (copy_test_1_pic.o, copy_test_1.so): New targets.
5273         (copy_test_2_pic.o, copy_test_2.so): New targets.
5274         * testsuite/Makefile.in: Rebuild.
5275
5276         * script-sections.cc (Script_sections::place_orphan): Initialize
5277         local variable exact.
5278
5279 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
5280
5281         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
5282
5283 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
5284             David S. Miller  <davem@davemloft.net>
5285
5286         * powerpc.cc: New file.
5287         * Makefile.am (TARGETSOURCES): Add powerpc.cc
5288         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
5289         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
5290         * Makefile.in: Rebuild.
5291
5292 2008-06-09  Ian Lance Taylor  <iant@google.com>
5293
5294         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
5295         <exception>.
5296         (throwing, orig_terminate): New static variables.
5297         (terminate_handler): New static function.
5298         (t2): Set terminate handler.
5299
5300 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
5301
5302         PR 6584
5303         * binary.cc (Binary_to_elf::sized_convert): Fix .data
5304         alignment.
5305
5306 2008-05-30  Cary Coutant  <ccoutant@google.com>
5307
5308         * archive.cc (Archive::include_all_members) Correct to step
5309         over symbol table and extended name table in thin archives.
5310
5311 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
5312
5313         PR 6407
5314         * target-reloc.h (relocate_for_relocatable): Fix new_offset
5315         calculation.
5316
5317 2008-05-28  Caleb Howe  <cshowe@google.com>
5318
5319         * reduced_debug_output.cc: New file.
5320         * reduced_debug_output.h: New file.
5321         * options.h (class General_options): Add --strip-debug-non-line.
5322         * options.cc (General_options::finalize): Add strip_debug_non_line
5323         to the strip heirarchy.
5324         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
5325         fields.
5326         * layout.cc: Include "reduced_debug_output.h".
5327         (Layout::Layout): Initialize new fields.
5328         (line_only_debug_sections): New static array.
5329         (is_lines_only_debug_sections): New static inline function.
5330         (Layout::include_section): Handle --strip-debug-non-line.
5331         (Layout::make_output_section): If --strip-debug-non-line, build
5332         new output sections for .debug_abbrev and .debug_info.
5333         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
5334         gold.  Warn about possible overflow.
5335         (read_signed_LEB_128): Likewise.
5336         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
5337         (read_signed_LEB_128): Declare.
5338         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
5339         (HFILES): Add reduced_debug_output.h.
5340         * Makefile.in: Rebuild.
5341
5342 2008-05-21  Ian Lance Taylor  <iant@google.com>
5343
5344         * mapfile.cc: New file.
5345         * mapfile.h: New file.
5346         * options.h (class General_options): Add -M/--print-map and -Map.
5347         * options.cc (General_options::finalize): Make -M equivalent to
5348         -Map -.
5349         * main.cc: Include <cstdio> and "mapfile.h".
5350         (main): Open mapfile if requested.
5351         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
5352         constructor.  Change caller.
5353         (queue_initial_tasks): Add mapfile parameter.  Change caller.
5354         (queue_middle_tasks): Likewise.
5355         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
5356         declarations.
5357         * archive.cc: Include "mapfile.h".
5358         (Archive::add_symbols): Add mapfile parameter.  Change all
5359         callers.  Pass mapfile, symbol, and reason to include_member.
5360         (Archive::include_all_members): Add mapfile parameter.  Change all
5361         callers.
5362         (Archive::include_member): Add mapfile, sym, and why parameters.
5363         Change all callers.  Report inclusion to map file.
5364         * archive.h: Include "fileread.h".
5365         (class Archive): Update declarations.
5366         (Archive::file): New const method.
5367         (class Add_archive_symbols): Add mapfile_ field.  Update
5368         constructor.  Change all callers.
5369         * readsyms.h (class Read_symbols): Likewise.
5370         (class Finish_group): Likewise.
5371         (class Read_script): Likewise.
5372         * common.cc: Include "mapfile.h".
5373         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
5374         all callers.
5375         (Symbol_table::do_allocate_commons): Likewise.
5376         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
5377         symbol allocation to mapfile.
5378         * common.h (class Allocate_commons_task): Add mapfile_ field.
5379         Update constructor.  Change all callers.
5380         * symtab.h (class Symbol_table): Update declarations.
5381         * layout.cc: Include "mapfile.h".
5382         (Layout_task_runner::run): Print information to mapfile.
5383         (Layout::create_gold_note): Change Output_data_fixed_space to
5384         Output_data_zero_fill.
5385         (Layout::create_build_id): Likewise.
5386         (Layout::print_to_mapfile): New function.
5387         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
5388         constructor.  Change caller.
5389         (class Layout): Declare print_to_mapfile.
5390         * output.cc (Output_section::Input_section::print_to_mapfile): New
5391         function.
5392         (Output_section::add_input_section): If producing a map, always
5393         add to input_sections_ list.
5394         (Output_section::do_print_to_mapfile): New function.
5395         (Output_segment::print_sections_to_mapfile): New function.
5396         (Output_segment::print_section_list_to_mapfile): New function.
5397         * output.h: Include "mapfile.h".
5398         (Output_data::print_to_mapfile): New function.
5399         (Output_data::do_print_to_mapfile): New virtual function.
5400         (Output_segment_headers::do_print_to_mapfile): New function.
5401         (Output_file_header::do_print_to_mapfile): New function.
5402         (Output_data_const::do_print_to_mapfile): New function.
5403         (class Output_data_const_buffer): Add map_name_ field.  Update
5404         constructor.  Change all callers.  Add do_print_to_mapfile
5405         function.
5406         (class Output_data_fixed_space): Likewise.
5407         (class Output_data_space): Likewise.
5408         (class Output_data_zero_fill): New class.
5409         (Output_data_strtab::do_print_to_mapfile): New function.
5410         (Output_data_reloc_base::do_print_to_mapfile): New function.
5411         (Output_relocatable_relocs::do_print_to_mapfile): New function.
5412         (Output_data_group::do_print_to_mapfile): New function.
5413         (Output_data_got::do_print_to_mapfile): New function.
5414         (Output_data_dynamic::do_print_to_mapfile): New function.
5415         (Output_symtab_xindex::do_print_to_mapfile): New function.
5416         (class Output_section): Declare do_print_to_mapflie.  Declare
5417         print_to_mapfile in Input_section.
5418         (class Output_segment): Declare new functions.
5419         * object.h (Sized_relobj::symbol_count): New function.
5420         * script-sections.cc
5421         (Output_section_element_dot_assignment::set_section_addresses):
5422         Change Output_data_fixed_space to Output_data_zero_fill.
5423         (Output_data_expression::do_print_to_mapfile): New function.
5424         * script.cc (read_input_script): Add mapfile parameter.  Change
5425         all callers.
5426         * script.h (read_input_script): Update declaration.
5427         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
5428         (Eh_frame::do_print_to_mapfile): New function.
5429         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
5430         (Output_merge_string::do_print_to_mapfile): New function.
5431         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
5432         function.
5433         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
5434         function.
5435         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
5436         function.
5437         * Makefile.am (CCFILES): Add mapfile.cc.
5438         (HFILES): Add mapfile.h.
5439         * Makefile.in: Rebuild.
5440
5441 2008-05-19  Ian Lance Taylor  <iant@google.com>
5442
5443         * options.h (class General_options): Add -z relro.
5444         * layout.cc (Layout::Layout): Initialize relro_segment_.
5445         (Layout::add_output_section_data): Return the output section.
5446         (Layout::make_output_section): Rcognize relro sections and mark
5447         them appropriately.
5448         (Layout::attach_allocated_section_to_segment): Put relro sections
5449         in a PT_GNU_RELRO segment.
5450         (Layout::create_initial_dynamic_sections): Mark the .dynamic
5451         section as relro.
5452         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
5453         PT_TLS segments.
5454         (Layout::linkonce_mapping): Map d.rel.ro.local to
5455         .data.rel.ro.local.
5456         (Layout::output_section_name): Us .data.rel.ro.local for any
5457         section which begins with that.
5458         * layout.h (class Layout): Update add_output_section_data
5459         declaration.  Add relro_segment_ field.
5460         * output.cc (Output_section::Output_section): Initialize is_relro_
5461         and is_relro_local_ fields.
5462         (Output_segment::add_output_section): Group relro sections.
5463         (Output_segment::is_first_section_relro): New function.
5464         (Output_segment::maximum_alignment): If there is a relro section,
5465         align the segment to the common page size.
5466         (Output_segment::set_section_addresses): Track whether we are
5467         looking at relro sections.  If the last section is a relro
5468         section, align to the common page size.
5469         (Output_segment::set_section_list_addresses): Add in_relro
5470         parameter.  Change all callers.  Align to the page size when
5471         moving from relro to non-relro section.
5472         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
5473         segment.
5474         * output.h (class Output_section): Add is_relro_ and
5475         is_relro_local_ fields.
5476         (Output_section::is_relro): New function.
5477         (Output_section::set_is_relro): New function.
5478         (Output_section::is_relro_local): New function.
5479         (Output_section::set_is_relro_local): New function.
5480         (class Output_segment): Update declarations.
5481         * i386.cc (Target_i386::got_section): Mark .got section as relro.
5482         * sparc.cc (Target_sparc::got_section): Likewise.
5483         * x86_64.cc (Target_x86_64::got_section): Likewise.
5484         * testsuite/relro_test_main.cc: New file.
5485         * testsuite/relro_test.cc: New file.
5486         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
5487         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
5488         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
5489         (relro_test.so, relro_test_pic.o): New targets.
5490         * testsuite/Makefile.in: Rebuild.
5491
5492 2008-05-16  Ian Lance Taylor  <iant@google.com>
5493
5494         * output.cc (Output_segment::add_output_section): Remove front
5495         parameter.
5496         * output.h (class Output_segment): Remove
5497         add_initial_output_section and overloaded add_output_section.
5498         Update declaration of remaining add_output_section.
5499         * layout.cc (Layout::create_interp): Call add_output_section
5500         rather than add_initial_output_section.
5501         (Layout::finish_dynamic_section): Likewise.
5502
5503         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
5504         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
5505         know the dynamic type.
5506         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
5507         field.  Initialize it in constructor.
5508         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
5509         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
5510         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
5511         reloc.
5512
5513         * output.cc (Output_reloc::get_address): Change return type to
5514         Elf_Addr.
5515         * output.h (class Output_reloc): Update get_address declaration.
5516         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
5517         for section addresses.
5518
5519 2008-05-09  Ian Lance Taylor  <iant@google.com>
5520
5521         PR 6493
5522         * gold.cc (gold_nomem): Use return value of write.
5523
5524 2008-05-08  Ian Lance Taylor  <iant@google.com>
5525
5526         * symtab.c (Symbol::init_base_output_data): Add version
5527         parameter.  Change all callers.
5528         (Symbol::init_base_output_segment): Likewise.
5529         (Symbol::init_base_constant): Likewise.
5530         (Symbol::init_base_undefined): Likewise.
5531         (Sized_symbol::init_output_data): Likewise.
5532         (Sized_symbol::init_output_segment): Likewise.
5533         (Sized_symbol::init_constant): Likewise.
5534         (Sized_symbol::init_undefined): Likewise.
5535         (Symbol_table::do_define_in_output_data): If the new symbol has a
5536         version, mark it as the default.
5537         (Symbol_table::do_define_in_output_segment): Likewise.
5538         (Symbol_table::do_define_as_constant): Likewise.
5539         * symtab.h (class Symbol): Update declarations.
5540         (class Sized_symbol): Likewise.
5541         * resolve.cc (Symbol::override_version): New function.
5542         (Symbol::override_base): Call override_version.
5543         (Symbol::override_base_with_special): Likewise.
5544         * testsuite/ver_script_8.script: New file.
5545         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
5546         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
5547         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
5548         (ver_test_8_1.so, ver_test_8_2.so): New targets.
5549
5550 2008-05-06  Ian Lance Taylor  <iant@google.com>
5551
5552         PR 6049
5553         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
5554         functions.
5555         (class General_options): Remove existing --undefined, and add
5556         --no-undefined instead.  Add new --undefined as synonym for -u.
5557         * archive.cc (Archive::add_symbols): Check whether symbol was
5558         named with -u.
5559         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
5560         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
5561         all uses.  Add IS_UNDEFINED.  Update declarations to split
5562         different versions of init_base.  Declare init_base_undefined.
5563         (Symbol::is_defined): Handle IS_UNDEFINED.
5564         (Symbol::is_undefined): Likewise.
5565         (Symbol::is_weak_undefined): Call is_undefined.
5566         (Symbol::is_absolute): Handle IS_CONSTANT.
5567         (class Sized_symbol): Update declarations to split different
5568         versions of init.  Declare init_undefined.
5569         (class Symbol_table): Declare new functions.
5570         * symtab.cc (Symbol::init_base_object): Rename from init_base.
5571         Change all callers.
5572         (Symbol::init_base_output_data): Likewise.
5573         (Symbol::init_base_output_segment): Likewise.
5574         (Symbol::init_base_constant): Likewise.
5575         (Symbol::init_base_undefined): New function.
5576         (Sized_symbol::init_object): Rename from init.  Change all
5577         callers.
5578         (Sized_symbol::init_output_data): Likewise.
5579         (Sized_symbol::init_output_segment): Likewise.
5580         (Sized_symbol::init_constant): Likewise.
5581         (Sized_symbol::init_undefined): New function.
5582         (Symbol_table::add_undefined_symbols_from_command_line): New
5583         function.
5584         (Symbol_table::do_add_undefined_symbols_from_command_line): New
5585         function.
5586         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
5587         (Symbol::output_section): Likewise.
5588         (Symbol::set_output_section): Likewise.
5589         (Symbol_table::sized_finalize_symbol): Likewise.
5590         (Symbol_table::sized_write_globals): Likewise.
5591         * resolve.cc (Symbol_table::should_override): Likewise.
5592         (Symbol::override_base_with_special): Likewise.
5593
5594         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
5595         symbol, change it to have default visibility.
5596         * testsuite/protected_1.cc: New file.
5597         * testsuite/protected_2.cc: New file.
5598         * testsuite/protected_3.cc: New file.
5599         * testsuite/protected_main_1.cc: New file.
5600         * testsuite/protected_main_2.cc: New file.
5601         * testsuite/protected_main_3.cc: New file.
5602         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
5603         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
5604         (protected_1_LDFLAGS, protected_1_LDADD): Define.
5605         (protected_1.so): New target.
5606         (protected_1_pic.o, protected_2_pic.o): New targets.
5607         (protected_3_pic.o): New target.
5608         (check_PROGRAMS): Add protected_2.
5609         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
5610         (protected_2_LDFLAGS, protected_2_LDADD): Define.
5611         * testsuite/Makefile.in: Rebuild.
5612
5613         * options.h (DEFINE_var): Add set_user_set_##varname__.
5614         (DEFINE_bool_alias): New macro.
5615         (class General_options): Define -Bstatic using DEFINE_bool_alias
5616         rather than DEFINE_special.  Add --undefined as an alias for -z
5617         defs.
5618         * options.cc (General_options::parse_Bstatic): Remove.
5619
5620         * options.h (class General_options): Add --fatal-warnings.
5621         * main.cc (main): Implement --fatal-warnings.
5622         * errors.h (Errors::warning_count): New function.
5623
5624         * options.h (class General_options): Add -Bsymbolic-functions.
5625         * symtab.h (Symbol::is_preemptible): Check for
5626         -Bsymbolic-functions.
5627
5628 2008-05-05  Ian Lance Taylor  <iant@google.com>
5629
5630         * options.h (DEFINE_bool): For DASH_Z, create the negative option
5631         as noVARNAME rather than no-VARNAME.
5632         (class General_options): Add option -z combreloc.
5633         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
5634         get_address.
5635         (Output_reloc::sort_before) [SHT_REL]: New function.
5636         (Output_reloc::sort_before) [SHT_RELA]: New function.
5637         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
5638         Sort_relocs_comparison.
5639         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
5640         parameter.  Change all callers.
5641         (Output_data_reloc::Output_data_reloc) [both versions]: Add
5642         sort_relocs parameter.  Change all callers.
5643         * output.cc (Output_reloc::get_address): New function, broken out
5644         of write_rel.
5645         (Output_reloc::write_rel): Call it.
5646         (Output_reloc::compare): New function.
5647         (Output_data_reloc_base::do_write): Optionally sort relocs.
5648
5649         * configure.ac: If targ_extra_obj is set, link it in.
5650         * configure.tgt: Initialize all variables.
5651         (x86_64*): Set targ_extra_obj and targ_extra_size.
5652         * configure: Rebuild.
5653
5654         * object.cc (Sized_relobj::include_section_group): Adjust section
5655         indexes read from group data.  Build vector to pass to
5656         layout_group.
5657         * layout.cc (Layout::layout_group): Add flags and shndxes
5658         parameters.  Remove contents parameter.  Change caller.  Update
5659         explicit instantiations.
5660         * layout.h (class Layout): Update layout_group declaration.
5661         * output.cc (Output_data_group::Output_data_group): Add flags and
5662         input_shndxes parameters.  Remove contents parameter.  Change
5663         caller.
5664         (Output_data_group::do_write): Change input_sections_ to
5665         input_shndxes_.
5666         * output.h (class Output_data_group): Update constructor
5667         declaration.  Rename input_sections_ to input_shndxes_.
5668         * testsuite/many_sections_test.cc: Add template.
5669
5670 2008-04-30  Cary Coutant  <ccoutant@google.com>
5671
5672         * target-reloc.h (relocate_section): Fix dead-pointer bug.
5673
5674         * layout.cc (Layout::include_section): Refactored check for debug
5675         info section.
5676         (Layout::add_comdat): Add new parameters.  Change type
5677         of signature parameter.  Add object and shndx to signatures table.
5678         (Layout::find_kept_object): New function.
5679         * layout.h: Include <cstring>.
5680         (Layout::is_debug_info_section): New function.
5681         (Layout::add_comdat): Add new parameters.
5682         (Layout::find_kept_object): New function.
5683         (Layout::Kept_section): New struct.
5684         (Layout::Signatures): Change type of map range.
5685         * object.cc (Relobj::output_section_address): New function.
5686         (Sized_relobj::include_section_group): Add new parameters.  Change
5687         calls to Layout::add_comdat.  Change to build table of kept comdat
5688         groups and table mapping discarded sections to kept sections.
5689         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
5690         (Sized_relobj::do_layout): Change calls to include_section_group and
5691         include_linkonce_section.
5692         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
5693         value to zero when section is discarded.
5694         (Sized_relobj::map_to_kept_section): New function.
5695         * object.h (Relobj::output_section_address): New function.
5696         (Relobj::Comdat_group): New type.
5697         (Relobj::find_comdat_group): New function.
5698         (Relobj::Comdat_group_table): New type.
5699         (Relobj::Kept_comdat_section): New type.
5700         (Relobj::Kept_comdat_section_table): New type.
5701         (Relobj::add_comdat_group): New function.
5702         (Relobj::set_kept_comdat_section): New function.
5703         (Relobj::get_kept_comdat_section): New function.
5704         (Relobj::comdat_groups_): New field.
5705         (Relobj::kept_comdat_sections_): New field.
5706         (Symbol_value::input_value): Update comment.
5707         (Sized_relobj::map_to_kept_section) New function.
5708         (Sized_relobj::include_linkonce_section): Add new parameter.
5709         * target-reloc.h (Comdat_behavior): New type.
5710         (get_comdat_behavior): New function.
5711         (relocate_section): Add code to map a discarded section to the
5712         corresponding kept section when applying a relocation.
5713
5714 2008-04-30  Craig Silverstein  <csilvers@google.com>
5715
5716         * dwarf_reader.cc (next_generation_count): New static var.
5717         (Addr2line_cache_entry): New struct.
5718         (addr2line_cache): New static var.
5719         (Dwarf_line_info::one_addr2line): Added caching.
5720         (Dwarf_line_info::clear_addr2line_cache): New function.
5721         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
5722         cache-size parameter.
5723         (Dwarf_line_info::one_addr2line_cache): New function.
5724         * symtab.cc (Symbol_table::detect_odr_violations): Pass
5725         new cache-size argument to one_addr2line(), and clear cache.
5726
5727 2008-04-28  Cary Coutant  <ccoutant@google.com>
5728
5729         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
5730         R_386_PC8 relocations.
5731
5732 2008-04-23  Ian Lance Taylor  <iant@google.com>
5733
5734         * object.cc (Sized_relobj::include_section_group): Check for
5735         invalid section group.
5736
5737         * object.cc (make_elf_object): Correct test for 64-bit ELF file
5738         header size.
5739
5740         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
5741         than read for file header.
5742         * archive.cc (Archive::include_member): Likewise.
5743
5744 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5745
5746         * aclocal.m4: Regenerate.
5747         * configure: Regenerate.
5748
5749 2008-04-19  Ian Lance Taylor  <iant@google.com>
5750
5751         * version.cc (version_string): Bump to 1.6.
5752
5753         * testsuite/Makefile.am (many_sections_r_test): New target.
5754         (many_sections_r_test_SOURCES): Remove.
5755         (many_sections_r_test_DEPENDENCIES): Remove.
5756         (many_sections_r_test_LDFLAGS): Remove.
5757         (many_sections_r_test_LDADD): Remove.
5758
5759         * object.cc (Sized_relobj::do_add_symbols): Always pass
5760         local_symbol_count_ to add_from_relobj.
5761
5762         * testsuite/Makefile.am (many_sections_check.h): Only check one in
5763         every thousand variables.
5764         * testsuite/Makefile.in: Rebuild.
5765
5766         * object.cc (Xindex::initialize_symtab_xindex): New function.
5767         (Xindex::read_symtab_xindex): New function.
5768         (Xindex::sym_xindex_to_shndx): New function.
5769         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
5770         available.
5771         (Sized_relobj::do_initialize_xindex): New function.
5772         (Sized_relobj::do_read_symbols): Adjust section links.
5773         (Sized_relobj::symbol_section_and_value): Add is_ordinary
5774         parameter.  Change all callers.
5775         (Sized_relobj::include_section_group): Adjust section links and
5776         symbol section indexes.
5777         (Sized_relobj::do_layout): Adjust section links.
5778         (Sized_relobj::do_count_local_symbols): Adjust section links and
5779         symbol section indexes.
5780         (Sized_relobj::do_finalize_local_symbols): Distinguish between
5781         ordinary and special symbols.
5782         (Sized_relobj::write_local_symbols): Add symtab_xindex and
5783         dynsym_xindex parameters.  Change all callers.  Adjust section
5784         links.  Use SHN_XINDEX when needed.
5785         (Sized_relobj::get_symbol_location_info): Adjust section links.
5786         Don't get fooled by special symbols.
5787         * object.h (class Xindex): Define.
5788         (class Object): Add xindex_ parameter.  Declare virtual functoin
5789         do_initialize_xindex.
5790         (Object::adjust_sym_shndx): New function.
5791         (Object::set_xindex): New protected function.
5792         (class Symbol_value): Add is_ordinary_shndx_ field.
5793         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
5794         (Symbol_value::value): Assert ordinary section.
5795         (Symbol_value::initialize_input_to_output_map): Likewise.
5796         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
5797         Change all callers.
5798         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
5799         all callers.
5800         (class Sized_relobj): Update declarations.
5801         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
5802         parameter.  Change all callers.
5803         (Sized_relobj::adjust_shndx): New function.
5804         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
5805         field.
5806         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
5807         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
5808         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
5809         (Sized_dynobj::read_dynsym_section): Adjust section links.
5810         (Sized_dynobj::read_dynamic): Likewise.
5811         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
5812         section links.
5813         (Sized_dynobj::do_initialize_xindex): New function.
5814         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
5815         do_initialize_xindex.
5816         (Sized_dynobj::adjust_shndx): New function.
5817         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
5818         dynsym_xindex_ fields.
5819         (Layout::finalize): Add a call to set_section_indexes before
5820         creating the symtab sections.
5821         (Layout::set_section_indexes): Don't do anything if the section
5822         already has a section index.
5823         (Layout::create_symtab_sections): Add shnum parameter.  Change
5824         caller.  Create .symtab_shndx section if needed.
5825         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
5826         caller.
5827         (Layout::allocated_output_section_count): New function.
5828         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
5829         needed.
5830         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
5831         fields.  Update declarations.
5832         (Layout::symtab_xindex): New function.
5833         (Layout::dynsym_xindex): New function.
5834         (class Write_symbols_task): Add layout_ field.
5835         (Write_symbols_task::Write_symbols_task): Add layout parameter.
5836         Change caller.
5837         * output.cc (Output_section_headers::Output_section_headers): Add
5838         shstrtab_section parameter.  Change all callers.
5839         (Output_section_headers::do_sized_write): Store overflow values
5840         for section count and section string table section index in
5841         section header zero.
5842         (Output_file_header::do_sized_write): Check for overflow of
5843         section count and section string table section index.
5844         (Output_symtab_xindex::do_write): New function.
5845         (Output_symtab_xindex::endian_do_write): New function.
5846         * output.h (class Output_section_headers): Add shstrtab_section_.
5847         Update declarations.
5848         (class Output_symtab_xindex): Define.
5849         (Output_section::has_out_shndx): New function.
5850         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
5851         field.
5852         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
5853         Change all callers.
5854         (Sized_symbol::init): Likewise.
5855         (Symbol::output_section): Check for ordinary symbol.
5856         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
5857         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
5858         callers.
5859         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
5860         Change all callers.  Simplify handling of symbols from sections
5861         not included in the link.
5862         (Symbol_table::add_from_dynobj): Handle ordinary symbol
5863         distinction.
5864         (Weak_alias_sorter::operator()): Assert that symbols are
5865         ordinary.
5866         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
5867         distinction.
5868         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
5869         parameters.  Change all callers.
5870         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
5871         symbol distinction.  Use SHN_XINDEX when needed.
5872         (Symbol_table::write_section_symbol): Add symtab_xindex
5873         parameter.  Change all callers.
5874         (Symbol_table::sized_write_section_symbol): Likewise.  Use
5875         SHN_XINDEX when needed.
5876         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
5877         declarations.
5878         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
5879         (Symbol::is_defined): Check is_ordinary.
5880         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5881         (Symbol::is_absolute, Symbol::is_common): Likewise.
5882         (class Sized_symbol): Update declarations.
5883         (class Symbol_table): Update declarations.
5884         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5885         parameters.  Change all callers.
5886         (Sized_symbol::override): Likewise.
5887         (Symbol_table::override): Likewise.
5888         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
5889         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
5890         is_ordinary, and orig_st_shndx parameters.  Change all callers.
5891         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5892         to be in an ordinary section.
5893         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5894         object and is_ordinary parameters.  Change all callers.
5895         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5896         Change all callers.  Don't add undefined or non-ordinary symbols
5897         to reloc_map_.
5898         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5899         Change all callers.
5900         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5901         declarations.
5902         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5903         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5904         (Sized_relobj::relocate_sections): Likewise.
5905         * target-reloc.h (scan_relocs): Adjust section symbol index.
5906         (scan_relocatable_relocs): Likewise.
5907         * i386.cc (Scan::local): Check for ordinary symbols.
5908         * sparc.cc (Scan::local): Likewise.
5909         * x86_64.cc (Scan::local): Likewise.
5910         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5911         to symbol_section_and_value.
5912         * testsuite/many_sections_test.cc: New file.
5913         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5914         (check_PROGRAMS): Add many_sections_test.
5915         (many_sections_test_SOURCES): Define.
5916         (many_sections_test_DEPENDENCIES): Define.
5917         (many_sections_test_LDFLAGS): Define.
5918         (BUILT_SOURCES): Add many_sections_define.h.
5919         (many_sections_define.h): New target.
5920         (BUILT_SOURCES): Add many_sections_check.h.
5921         (many_sections_check.h): New target.
5922         (check_PROGRAMS): Add many_sections_r_test.
5923         (many_sections_r_test_SOURCES): Define.
5924         (many_sections_r_test_DEPENDENCIES): Define.
5925         (many_sections_r_test_LDFLAGS): Define.
5926         (many_sections_r_test_LDADD): Define.
5927         (many_sections_r_test.o): New target.
5928         * testsuite/Makefile.in: Rebuild.
5929
5930 2008-04-17  Cary Coutant  <ccoutant@google.com>
5931
5932         * errors.cc (Errors::info): New function.
5933         (gold_info): New function.
5934         * errors.h (Errors::info): New function.
5935         * gold.h (gold_info): New function.
5936         * object.cc (Input_objects::add_object): Print trace output.
5937         * options.cc (options::parse_set): New function.
5938         (General_options::parse_wrap): Deleted.
5939         (General_options::General_options): Deleted initializer.
5940         * options.h (options::String_set): New typedef.
5941         (options::parse_set): New function.
5942         (DEFINE_set): New macro.
5943         (General_options::wrap): Changed to use DEFINE_set. Changed
5944         callers of any_wrap_symbols and is_wrap_symbol.
5945         (General_options::trace, General_options::trace_symbol):
5946         New options.
5947         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
5948         (General_options::wrap_symbols_): Deleted.
5949         * symtab.cc (Symbol_table::add_from_object): Print trace output.
5950
5951 2008-04-17  David S. Miller  <davem@davemloft.net>
5952
5953         * options.cc (General_options::parse_V): New function.
5954         * options.h: Add entries for -V and -Qy.
5955
5956 2008-04-17  Ian Lance Taylor  <iant@google.com>
5957
5958         * common.cc (Symbol_table::allocate_commons): Remove options
5959         parameter.  Change caller.
5960         (Symbol_table::do_allocate_commons): Remove options parameter.
5961         Change caller.  Just call do_allocate_commons_list twice.
5962         (Symbol_table::do_allocate_commons_list): New function, broken out
5963         of do_allocate_commons.
5964         * common.h (class Allocate_commons_task): Remove options_ field.
5965         Update constructor.
5966         * symtab.cc (Symbol_table::Symbol_table): Initialize
5967         tls_commons_.
5968         (Symbol_table::add_from_object): Put TLS common symbols on
5969         tls_commons_ list.
5970         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
5971         which are IN_OUTPUT_DATA.
5972         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
5973         allocate_commons and do_allocate_commons declarations.  Declare
5974         do_allocate_commons_list.
5975         * gold.cc (queue_middle_tasks): Update creation of
5976         Allocate_commons_task to not pass options.
5977         * testsuite/Makefile.am (INCLUDES): Add -I.. .
5978         (TLS_TEST_C_FLAGS): New variable.
5979         (tls_test_c_pic.o): New target.
5980         (tls_test_shared.so): Link in tls_test_c_pic.o.
5981         (tls_test_c_pic_ie.o): New target.
5982         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
5983         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
5984         (tls_test_c.o): New target.
5985         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
5986         (tls_pic_test_LDADD): Likewise.
5987         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
5988         (tls_shared_gd_to_ie_test_LDADD): Likewise.
5989         (tls_test_c_gnu2.o): New target.
5990         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
5991         tls_test_c_gnu2.o.
5992         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
5993         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
5994         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
5995         * testsuite/tls_test.cc: Include "config.h".
5996         (t_last): Call t11_last.
5997         * testsuite/tls_test.h (t11, t11_last): Declare.
5998         * testsuite/tls_test_c.c: New file.
5999         * testsuite/tls_test_main.cc (thread_routine): Call t11.
6000         * configure.ac: Check for OpenMP support.
6001         * configure, config.in, Makefile.in: Rebuild.
6002         * testsuite/Makefile.in: Rebuild.
6003
6004 2008-04-16  Cary Coutant  <ccoutant@google.com>
6005
6006         * i386.cc (Target_i386::define_tls_base_symbol): New function.
6007         (Target_i386::tls_base_symbol_defined_): New field.
6008         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6009         (Target_i386::Scan::global): Likewise.
6010         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6011         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6012         (Target_x86_64::tls_base_symbol_defined_): New field.
6013         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6014         (Target_x86_64::Scan::global): Likewise.
6015
6016 2008-04-16  Cary Coutant  <ccoutant@google.com>
6017
6018         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6019         (Symbol::needs_plt_entry): Allow weak undefined symbols.
6020         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6021         building shared libraries.
6022         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6023         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6024         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6025         * testsuite/Makefile.in: Rebuild.
6026         * testsuite/weak_undef.h: New file.
6027         * testsuite/weak_undef_file1.cc: Add extra test cases.
6028         * testsuite/weak_undef_file2.cc: Likewise.
6029         * testsuite/weak_undef_test.cc: Likewise.
6030
6031 2008-04-16  David S. Miller  <davem@davemloft.net>
6032
6033         * sparc.cc (Target_sparc::Scan): Change from struct to class.
6034         Add issued_non_pic_error_ field.  Declare check_non_pic.
6035         (Target_sparc::Scan::check_non_pic): New function.
6036         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6037         (Target_sparc::Scan::global): Likewise.
6038
6039         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6040         * configure: Rebuild.
6041
6042         * options.h (DEFINE_enable): New macro.
6043         (new_dtags): New enable option.
6044         (initfirst, interpose, loadfltr, nodefaultlib,
6045         nodelete, nodlopen, nodump): New -z options.
6046         * layout.cc (Layout:finish_dynamic_section): If new
6047         dtags enabled, emit DT_RUNPATH.  Also, emit a
6048         DT_FLAGS_1 containing any specified -z flags.
6049
6050 2008-04-16  Ian Lance Taylor  <iant@google.com>
6051
6052         * copy-relocs.cc: New file.
6053         * copy-relocs.h: New file.
6054         * reloc.cc: Remove Copy_relocs code.
6055         * reloc.h: Likewise.
6056         * reloc-types.h (struct Reloc_types) [both versions]: Add
6057         get_reloc_addend_noerror.
6058         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6059         variants of add_global which take an addend which must be zero.
6060         * i386.cc: Include "copy-relocs.h".
6061         (class Target_i386): Change type of copy_relocs_ to variable,
6062         update initializer.
6063         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6064         Change all callers.
6065         (Target_i386::do_finalize_sections): Change handling of
6066         copy_relocs_.
6067         * sparc.cc: Include "copy-relocs.h".
6068         (class Target_sparc): Change type of copy_relocs_ to variable,
6069         update initializer.
6070         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6071         Change all callers.
6072         (Target_sparc::do_finalize_sections): Change handling of
6073         copy_relocs_.
6074         * x86_64.cc: Include "copy-relocs.h".
6075         (class Target_x86_64): Change type of copy_relocs_ to variable,
6076         update initializer.
6077         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6078         class.  Change all callers.
6079         (Target_x86_64::do_finalize_sections): Change handling of
6080         copy_relocs_.
6081         * Makefile.am (CCFILES): Add copy-relocs.cc.
6082         (HFILES): Add copy-relocs.h.
6083
6084         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6085
6086         * testsuite/script_test_4.sh: Permit leading zeroes.
6087
6088 2008-04-15  Ian Lance Taylor  <iant@google.com>
6089
6090         * script-sections.cc (Script_sections::create_segments): Use
6091         header_size_adjustment even when there is enough room for the
6092         headers.
6093         * testsuite/script_test_4.sh: New file.
6094         * testsuite/script_test_4.t: New file.
6095         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
6096         (check_DATA): Add script_test_4.stdout.
6097         (MOSTLYCLEANFILES): Likewise.
6098         (script_test_4): New target.
6099         (script_test_4.stdout): New target.
6100         * testsuite/Makefile.in: Rebuild.
6101
6102         * sparc.cc: Add definitions for Output_data_plt_sparc class
6103         constants.
6104
6105 2008-04-14  David S. Miller  <davem@davemloft.net>
6106
6107         * sparc.cc: New file.
6108         * Makefile.am (TARGETSOURCES): Add sparc.cc
6109         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
6110         * configure.tgt: Document targ_extra_size and
6111         targ_extra_big_endian.  Add entries for sparc-* and
6112         sparc64-*.
6113         * configure.ac: Handle targ_extra_size and
6114         targ_extra_big_endian.
6115         * Makefile.in: Rebuild.
6116         * configure: Likewise.
6117         * po/POTFILES.in: Likewise.
6118         * po/gold.pot: Likewise.
6119
6120 2008-04-14  Ian Lance Taylor  <iant@google.com>
6121
6122         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
6123         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
6124         in the name/type/flags to section mapping.  Don't call
6125         allocate_output_section.
6126         (Layout::choose_output_section): Change parameter from adjust_name
6127         to is_input_section.  Don't permit input sections after sections
6128         are attached to segments.  Don't call allocate_output_section.
6129         (Layout::layout_eh_frame): Call update_flags_for_input_section,
6130         not write_enable_output_section.
6131         (Layout::make_output_section): Don't push to
6132         unattached_section_list_ nor call attach_to_segment.  Call
6133         attach_section_to_segment if sections are attached.
6134         (Layout::attach_sections_to_segments): New function.
6135         (Layout::attach_section_to_segment): New function.
6136         (Layout::attach_allocated_section_to_segment): Rename from
6137         attach_to_segment.  Remove flags parameter.
6138         (Layout::allocate_output_section): Remove function.
6139         (Layout::write_enable_output_section): Remove function.
6140         * layout.h (class Layout): Update for above changes.  Add new
6141         field sections_are_attached_.
6142         * output.h (Output_section::update_flags_for_input_section): New
6143         function.
6144         * output.cc (Output_section::add_input_section): Call
6145         update_flags_for_input_section.
6146         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
6147
6148 2008-04-11  Cary Coutant  <ccoutant@google.com>
6149
6150         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
6151         thought unnecessary.
6152         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
6153
6154 2008-04-11  Ian Lance Taylor  <iant@google.com>
6155
6156         * output.h (class Output_section_data): Remove inline definition
6157         of set_addralign.
6158         * output.cc (Output_section_data::set_addralign): New function.
6159
6160 2008-04-11  Cary Coutant  <ccoutant@google.com>
6161
6162         Add support for TLS descriptors for i386 and x86_64.
6163         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
6164         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
6165         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
6166         GOT_TYPE_TLS_DESC.
6167         (Target_i386::got_mod_index_entry): Remove unnecessary code.
6168         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
6169         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
6170         relocations.
6171         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
6172         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
6173         Fix problem with initial-exec relocations.
6174         (Target_i386::Relocate::relocate_tls): Likewise.
6175         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
6176         relaxation.
6177         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
6178         support for section-plus-offset dynamic table entries.
6179         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
6180         (Output_data_dynamic::Dynamic_entry): Add support for
6181         section-plus-offset dynamic table entries.
6182         (Output_data_dynamic::Classification): Likewise.
6183         (Output_data_dynamic::classification_): Renamed offset_.
6184         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
6185         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
6186         (Target_x86_64::make_plt_section): New function.
6187         (Target_x86_64::reserve_tlsdesc_entries): New function.
6188         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
6189         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
6190         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
6191         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
6192         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
6193         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
6194         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
6195         add extra PLT entry for TLS descriptors.
6196         (Output_data_plt_x86_64::got_): New field.
6197         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
6198         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
6199         fields.
6200         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
6201         descriptors.
6202         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
6203         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
6204         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
6205         R_386_TLS_DESC_CALL relocations.
6206         (Target_x86_64::Scan::global): Likewise.
6207         (Target_x86_64::do_finalize_sections): Add dynamic table entries
6208         for TLS descriptors.
6209         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
6210         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
6211         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
6212         GD-to-IE relaxation.
6213         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
6214         and TLS_DESCRIPTORS.
6215         * Makefile.in: Rebuild.
6216         * configure: Rebuild.
6217         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
6218         (tls_test_shared2.so): New target.
6219         (tls_shared_gd_to_ie_test_SOURCES): New variable.
6220         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
6221         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
6222         (tls_shared_gd_to_ie_test_LDADD): New variable.
6223         (tls_shared_gnu2_gd_to_ie_test): New target.
6224         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
6225         New targets.
6226         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
6227         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
6228         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
6229         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
6230         (tls_shared_gnu2_test): New target.
6231         (tls_test_gnu2_shared.so): New target.
6232         (tls_shared_gnu2_test_SOURCES): New variable.
6233         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
6234         (tls_shared_gnu2_test_LDFLAGS): New variable.
6235         (tls_shared_gnu2_test_LDADD): New variable.
6236         * testsuite/Makefile.in: Rebuild.
6237         * testsuite/Makefile.
6238
6239 2008-04-11  Ian Lance Taylor  <iant@google.com>
6240
6241         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
6242         justsyms.t.
6243         * testsuite/Makefile.in: Rebuild.
6244
6245         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
6246         long.
6247         * testsuite/script_test_2.cc (main): Adjust test.
6248
6249 2008-04-11  David S. Miller  <davem@davemloft.net>
6250             Ian Lance Taylor  <iant@google.com>
6251
6252         * options.h (General_options): Add entries for '-Y' and
6253         '-relax'.
6254         * options.cc (General_options:finalize): If -Y was used, add those
6255         entries to the library path instead of the default "/lib" and
6256         "/usr/lib".
6257
6258 2008-04-11  David S. Miller  <davem@davemloft.net>
6259
6260         * testsuite/justsyms.t: Start at 0x100.
6261         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
6262         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
6263         long.
6264         * testsuite/script_test_2.cc: Adjust string and section length
6265         checks.
6266
6267 2008-04-09  Ian Lance Taylor  <iant@google.com>
6268
6269         PR gold/5996
6270         * script-sections.cc (Sections_element::allocate_to_segment): Add
6271         orphan parameter.
6272         (Output_section_definition::allocate_to_segment): Likewise.
6273         (Orphan_output_section::allocate_to_segment): Likewise.
6274         (Script_sections::attach_sections_using_phdrs_clause): Don't
6275         propagate non-PT_LOAD segments to orphan sections.
6276         * testsuite/Makefile.am (script_test_3.stdout): Generate using
6277         readelf rather than objdump.
6278         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
6279         .interp section and PT_INTERP segment are the same size.
6280         * testsuite/Makefile.in: Rebuild.
6281
6282         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
6283         aliases for symbols defined in the same object.
6284         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
6285         (weak_alias_test_SOURCES): New variable.
6286         (weak_alias_test_DEPENDENCIES): New variable.
6287         (weak_alias_test_LDFLAGS): New variable.
6288         (weak_alias_test_LDADD): New variable.
6289         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
6290         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
6291         (weak_alias_test_3.o): New target.
6292         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
6293         * testsuite/weak_alias_test_main.cc: New file.
6294         * testsuite/weak_alias_test_1.cc: New file.
6295         * testsuite/weak_alias_test_2.cc: New file.
6296         * testsuite/weak_alias_test_3.cc: New file.
6297
6298 2008-04-08  Ian Lance Taylor  <iant@google.com>
6299
6300         * options.h (class General_options): Add --noinhibit-exec option.
6301         * main.cc (main): Check --noinhibit-exec.
6302
6303         * options.h (class General_options): Define --wrap as a special
6304         option.  Add wrap_symbols_ field.
6305         (General_options::any_wrap_symbols): New function.
6306         (General_options::is_wrap_symbol): New function.
6307         * options.cc (General_options::parse_wrap): New function.
6308         (General_options::General_options): Initialize wrap_symbols_.
6309         * symtab.cc (Symbol_table::wrap_symbol): New function.
6310         (Symbol_table::add_from_object): Handle --wrap.
6311         * symtab.h (class Symbol_table): Declare wrap_symbol.
6312         * target.h (Target::wrap_char): New function.
6313         (Target::Target_info): Add wrap_char field.
6314         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
6315         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6316         * testsuite/testfile.cc (Target_test::test_target_info):
6317         Likewise.
6318
6319         * errors.cc (Errors::undefined_symbol): Mention symbol version if
6320         there is one.
6321
6322         * layout.h (class Layout): Add added_eh_frame_data_ field.
6323         * layout.cc (Layout::Layout): Initialize new field.
6324         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
6325         output section until we find a section we merged successfully.
6326         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
6327         that the size be non-zero.
6328
6329         * merge.cc (Object_merge_map::get_output_offset): Remove inline
6330         qualifier.
6331
6332 2008-04-08  Craig Silverstein  <csilvers@google.com>
6333
6334         * configure.ac: Export new conditional variable HAVE_ZLIB.
6335         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
6336         on HAVE_ZLIB.
6337         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
6338         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6339
6340 2008-04-07  Ian Lance Taylor  <iant@google.com>
6341
6342         * version.cc (version_string): Set to "1.5".
6343
6344         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
6345         Add issued_non_pic_error_ field.  Declare check_non_pic.
6346         (Target_x86_64::Scan::check_non_pic): New function.
6347         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
6348         (Target_x86_64::Scan::global): Likewise.
6349
6350         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
6351         addend parameter.  Change caller.  Handle merge sections.
6352         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
6353         Address to Addend.  Don't add in the result of
6354         local_section_offset, pass down the addend and use the returned
6355         value.
6356         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
6357         Update declarations of local_section_offset and symbol_value.
6358         * testsuite/two_file_test_1.cc (t18): New function.
6359         * testsuite/two_file_test_2.cc (f18): New function.
6360         * testsuite/two_file_test_main.cc (main): Call t18.
6361         * testsuite/two_file_test.h (t18, f18): Declare.
6362
6363         * configure.ac: Don't test for objdump, c++filt, or readelf.
6364         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
6365         conditionals.
6366         (TEST_READELF): New variable.
6367         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
6368         (check_PROGRAMS): Add two_file_strip_test.
6369         (two_file_strip_test): New target.
6370         (check_PROGRAMS): Add two_file_same_shared_strip_test.
6371         (two_file_same_shared_strip_test_SOURCES): New variable.
6372         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
6373         (two_file_same_shared_strip_test_LDFLAGS): New variable.
6374         (two_file_same_shared_strip_test_LDADD): New variable.
6375         (two_file_shared_strip.so): New target.
6376         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
6377         (ver_test_5.syms, ver_test_7.syms): Likewise.
6378         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
6379         (strip_test_3.stdout): Use TEST_OBJDUMP.
6380         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6381
6382 2008-04-04  Cary Coutant  <ccoutant@google.com>
6383
6384         * symtab.h (Symbol::is_weak_undefined): New function.
6385         (Symbol::is_strong_undefined): New function.
6386         (Symbol::is_absolute): New function.
6387         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
6388         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
6389         absolute symbols.
6390         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
6391         (weak_undef_test): New target.
6392         * testsuite/Makefile.in: Rebuild.
6393         * testsuite/weak_undef_file1.cc: New file.
6394         * testsuite/weak_undef_file2.cc: New file.
6395         * testsuite/weak_undef_test.cc: New file.
6396
6397 2008-04-03  Craig Silverstein  <csilvers@google.com>
6398
6399         * compressed_output.h (class Output_compressed_section): Use
6400         unsigned buffer.
6401         * compressed_output.cc (zlib_compress): Use unsigned buffers,
6402         add zlib header.
6403         (zlib_compressed_suffix): Removed.
6404         (Output_compressed_section::set_final_data_size): Use unsigned
6405         buffers.
6406         * testsuite/Makefile.am (flagstest_compress_debug_sections):
6407         Fix linker invocation.
6408         (flagstest_o_specialfile_and_compress_debug_sections):
6409         Likewise.
6410         * testsuite/Makefile.in: Regenerated.
6411
6412 2008-04-02  David S. Miller  <davem@davemloft.net>
6413
6414         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
6415         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
6416
6417 2008-04-02  Craig Silverstein  <csilvers@google.com>
6418
6419         * TODO: New file.
6420
6421 2008-04-02  Ian Lance Taylor  <iant@google.com>
6422
6423         * fileread.cc (File_read::find_view): Add byteshift and vshifted
6424         parameters.  Update for new key type to views_.  Change all
6425         callers.
6426         (File_read::read): Adjust for byteshift in returned view.
6427         (File_read::add_view): New function, broken out of
6428         find_and_make_view.
6429         (File_read::make_view): New function, broken out of
6430         find_and_make_view.
6431         (File_read::find_or_make_view): Add offset and aligned
6432         parameters.  Rewrite accordingly.  Change all callers.
6433         (File_read::get_view): Add offset and aligned parameters.  Adjust
6434         for byteshift in return value.
6435         (File_read::get_lasting_view): Likewise.
6436         * fileread.h (class File_read): Update declarations.
6437         (class File_read::View): Add byteshift_ field.  Add byteshift to
6438         constructor.  Add byteshift method.
6439         * archive.h (Archive::clear_uncached_views): New function.
6440         (Archive::get_view): Add aligned parameter.  Change all callers.
6441         * object.h (Object::get_view): Add aligned parameter.  Change all
6442         callers.
6443         (Object::get_lasting_view): Likewise.
6444
6445         * fileread.cc (File_read::release): Don't call clear_views if
6446         there are multiple objects.
6447         * fileread.h (File_read::clear_uncached_views): New function.
6448         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
6449         on the archive.
6450
6451 2008-03-31  Cary Coutant  <ccoutant@google.com>
6452
6453         Add thin archive support.
6454         * archive.cc (Archive::armagt): New const.
6455         (Archive::setup): Remove task parameter and calls to unlock.
6456         (Archive::unlock_nested_archives): New function.
6457         (Archive::read_header): Add nested_off parameter. Change
6458         all callers.
6459         (Archive::interpret_header): Likewise.
6460         (Archive::include_all_members): Change to handle thin
6461         archives.
6462         (Archive::include_member): Likewise.
6463         * archive.h (Archive::Archive): Add new parameters and
6464         initializers.
6465         (Archive::armagt): New const.
6466         (Archive::setup): Remove task parameter.
6467         (Archive::unlock_nested_archives): New function.
6468         (Archive::read_header): Add nested_off parameter.
6469         (Archive::interpret_header): Likewise.
6470         (Archive::Nested_archive_table): New typedef.
6471         (Archive::is_thin_archive_): New field.
6472         (Archive::nested_archives_): New field.
6473         (Archive::options_): New field.
6474         (Archive::dirpath_): New field.
6475         (Archive::task_): New field.
6476         * readsyms.cc (Read_symbols::do_read_symbols): Add check
6477         for thin archives.  Pass additional parameters to
6478         Archive::Archive.  Unlock the archive file after calling
6479         Archive::setup.
6480
6481 2008-03-29  Ian Lance Taylor  <iant@google.com>
6482
6483         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
6484         version symbol to be local.
6485         * testsuite/ver_test_4.sh: New file.
6486         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
6487         (check_DATA): Add ver_test_4.syms.
6488         (ver_test_4.syms): New target.
6489         * testsuite/Makefile.in: Rebuild.
6490
6491         * output.cc
6492         (Output_section::Input_section_sort_entry::has_priority): New
6493         function.
6494         (Output_section::Input_section_sort_entry::match_file_name): New
6495         function.
6496         (Output_section::Input_section_sort_entry::match_section_name):
6497         Remove.
6498         (Output_section::Input_section_sort_entry::match_section_name_prefix):
6499         Remove.
6500         (Output_section::Input_section_sort_entry::match_section_file):
6501         Remove.
6502         (Output_section::Input_section_sort_compare::operator()): Rewrite
6503         using new Input_section_sort_entry functions.  Sort crtbegin and
6504         crtend first.  Sort sections with no priority before sections with
6505         a priority.
6506         * testsuite/initpri1.c (d3): Check j != 4.
6507         (cd5): New constructor/destructor function.
6508         (main): Check j != 2.
6509
6510         * symtab.cc (Symbol_table::add_from_object): If we don't use the
6511         new symbol when resolving, don't call set_is_default.
6512         * testsuite/ver_test_7.cc: New file.
6513         * testsuite/ver_test_7.sh: New file.
6514         * testsuite/Makefile.am (ver_test_7.so): New target.
6515         (ver_test_7.o): New target.
6516         (check_SCRIPTS): Add ver_test_7.sh.
6517         (check_DATA): Add ver_test_7.syms.
6518         (ver_test_7.syms): New target.
6519
6520 2008-03-28  Ian Lance Taylor  <iant@google.com>
6521
6522         * layout.cc (Layout::layout): If we see an input section with a
6523         name that needs sorting, set the must_sort flag for the output
6524         section.
6525         (Layout::make_output_section): If the name of the output section
6526         indicates that it might require sorting, set the may_sort flag.
6527         * output.h (Output_section::may_sort_attached_input_sections): New
6528         function.
6529         (Output_section::set_may_sort_attached_input_sections): New
6530         function.
6531         (Output_section::must_sort_attached_input_sections): New
6532         function.
6533         (Output_section::set_must_sort_attached_input_sections): New
6534         function.
6535         (class Output_section): Declare Input_section_sort_entry.  Define
6536         Input_section_sort_compare.  Declare
6537         sort_attached_input_sections.  Add new fields:
6538         may_sort_attached_input_sections_,
6539         must_sort_attached_input_sections_,
6540         attached_input_sections_are_sorted_.
6541         * output.cc (Output_section::Output_section): Initialize new
6542         fields.
6543         (Output_section::add_input_section): Add an entry to
6544         input_sections_ if may_sort or must_sort are true.
6545         (Output_section::set_final_data_size): Call
6546         sort_attached_input_sections if necessary.
6547         (Output_section::Input_section_sort_entry): Define new class.
6548         (Output_section::Input_section_sort_compare::operator()): New
6549         function.
6550         (Output_section::sort_attached_input_sections): New function.
6551         * configure.ac: Check whether the compiler supports constructor
6552         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
6553         * testsuite/initpri1.c: New file.
6554         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
6555         CONSTRUCTOR_PRIORITY.
6556         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
6557         (initpri1_LDFLAGS): New variable.
6558         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6559
6560 2008-03-27  Ian Lance Taylor  <iant@google.com>
6561
6562         * common.cc (Sort_commons::operator): Correct sorting algorithm.
6563         * testsuite/common_test_1.c: New file.
6564         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
6565         (common_test_1_SOURCES): New variable.
6566         (common_test_1_DEPENDENCIES): New variable.
6567         (common_test_1_LDFLAGS): New variable.
6568
6569         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
6570         and commons_ correctly when NAME/VERSION does not override
6571         NAME/NULL.
6572         * testsuite/ver_test_6.c: New file.
6573         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
6574         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
6575         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
6576
6577 2008-03-26  Ian Lance Taylor  <iant@google.com>
6578
6579         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
6580         of an undefined symbol from a version script.
6581         * testsuite/Makefile.am (ver_test_5.so): New target.
6582         (ver_test_5.o): New target.
6583         (check_SCRIPTS): Add ver_test_5.sh.
6584         (check_DATA): Add ver_test_5.syms.
6585         (ver_test_5.syms): New target.
6586         * testsuite/ver_test_5.cc: New file.
6587         * testsuite/ver_test_5.script: New file.
6588         * testsuite/ver_test_5.sh: New file.
6589         * Makefile.in, testsuite/Makefile.in: Rebuild.
6590
6591         PR gold/5986
6592         Fix problems building gold with gcc 4.3.0.
6593         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
6594         (gold_error_at_location, gold_warning_at_location): Use it.
6595         * configure.ac: Check whether we can compile and use a template
6596         function with a printf attribute.
6597         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
6598         when jumping over bytes.
6599         * object.cc: Instantiate Object::read_section_data.
6600         * debug.h: Include <cstring>
6601         * dwarf_reader.cc: Include <algorithm>
6602         * main.cc: Include <cstring>.
6603         * options.cc: Include <cstring>.
6604         * output.cc: Include <cstring>.
6605         * script.cc: Include <cstring>.
6606         * script.h: Include <string>.
6607         * symtab.cc: Include <cstring> and <algorithm>.
6608         * target-select.cc: Include <cstring>.
6609         * version.cc: Include <string>.
6610         * testsuite/testmain.cc: Include <cstdlib>.
6611         * configure, config.in: Rebuild.
6612
6613 2008-03-25  Ian Lance Taylor  <iant@google.com>
6614
6615         * options.cc: Include "../bfd/bfdver.h".
6616         (options::help): Print bug reporting address.
6617
6618         * version.cc (print_version): Adjust output for current value of
6619         BFD_VERSION_STRING.
6620
6621         * NEWS: New file.
6622
6623         * options.cc (options::help): Print list of supported targets.
6624         * target-select.h: Include <vector>.
6625         (class Target_selector): Make machine_, size_, and is_big_endian_
6626         fields const.  Add bfd_name_ and instantiated_target_ fields.
6627         (Target_selector::Target_selector): Add bfd_name parameter.
6628         (Target_selector::recognize): Make non-virtual, call
6629         do_recognize.
6630         (Target_selector::recognize_by_name): Make non-virtual, call
6631         do_recognize_by_name.
6632         (Target_selector::supported_names): New function.
6633         (Target_selector::bfd_name): New function.
6634         (Target_selector::do_instantiate_target): New pure virtual
6635         function.
6636         (Target_selector::do_recognize): New virtual function.
6637         (Target_selector::do_recognize_by_name): New virtual function.
6638         (Target_selector::instantiate_target): New private function.
6639         (supported_target_names): Declare.
6640         * target-select.cc (Target_selector::Target_selector): Update for
6641         new parameter and fields.
6642         (select_target_by_name): Check that the name matches before
6643         calling recognize_by_name.
6644         (supported_target_names): New function.
6645         * i386.cc (class Target_selector_i386): Update Target_selector
6646         constructor call.  Remove recognize and recognize_by_name.  Add
6647         do_instantiate_target.
6648         * x86_64.cc (class Target_selector_x86_64): Likewise.
6649         * testsuite/testfile.cc (class Target_selector_test): Update for
6650         changes to Target_selector.
6651
6652         * README: Rewrite, with some notes on unsupported features.
6653
6654 2008-03-24  Cary Coutant  <ccoutant@google.com>
6655
6656         * i386.cc (Target_i386::Got_type): New enum declaration.
6657         (Target_i386::Scan::local): Updated callers of Output_data_got
6658         member functions.
6659         (Target_i386::Scan::global): Likewise.
6660         (Target_i386::Relocate::relocate): Likewise.
6661         (Target_i386::Relocate::relocate_tls): Likewise.
6662         * object.h (Got_offset_list): New class.
6663         (Sized_relobj::local_has_got_offset): Added got_type parameter.
6664         (Sized_relobj::local_got_offset): Likewise.
6665         (Sized_relobj::set_local_got_offset): Likewise.
6666         (Sized_relobj::local_has_tls_got_offset): Removed.
6667         (Sized_relobj::local_tls_got_offset): Removed.
6668         (Sized_relobj::set_local_tls_got_offset): Removed.
6669         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
6670         * output.cc (Output_data_got::add_global): Added got_type parameter.
6671         (Output_data_got::add_global_with_rel): Likewise.
6672         (Output_data_got::add_global_with_rela): Likewise.
6673         (Output_data_got::add_global_pair_with_rel): New function.
6674         (Output_data_got::add_global_pair_with_rela): New function.
6675         (Output_data_got::add_local): Added got_type parameter.
6676         (Output_data_got::add_local_with_rel): Likewise.
6677         (Output_data_got::add_local_with_rela): Likewise.
6678         (Output_data_got::add_local_pair_with_rel): New function.
6679         (Output_data_got::add_local_pair_with_rela): New function.
6680         (Output_data_got::add_global_tls): Removed.
6681         (Output_data_got::add_global_tls_with_rel): Removed.
6682         (Output_data_got::add_global_tls_with_rela): Removed.
6683         (Output_data_got::add_local_tls): Removed.
6684         (Output_data_got::add_local_tls_with_rel): Removed.
6685         (Output_data_got::add_local_tls_with_rela): Removed.
6686         * output.h (Output_data_got::add_global): Added got_type parameter.
6687         (Output_data_got::add_global_with_rel): Likewise.
6688         (Output_data_got::add_global_with_rela): Likewise.
6689         (Output_data_got::add_global_pair_with_rel): New function.
6690         (Output_data_got::add_global_pair_with_rela): New function.
6691         (Output_data_got::add_local): Added got_type parameter.
6692         (Output_data_got::add_local_with_rel): Likewise.
6693         (Output_data_got::add_local_with_rela): Likewise.
6694         (Output_data_got::add_local_pair_with_rel): New function.
6695         (Output_data_got::add_local_pair_with_rela): New function.
6696         (Output_data_got::add_global_tls): Removed.
6697         (Output_data_got::add_global_tls_with_rel): Removed.
6698         (Output_data_got::add_global_tls_with_rela): Removed.
6699         (Output_data_got::add_local_tls): Removed.
6700         (Output_data_got::add_local_tls_with_rel): Removed.
6701         (Output_data_got::add_local_tls_with_rela): Removed.
6702         * resolve.cc (Symbol::override_base_with_special): Removed
6703         reference to has_got_offset_ field.
6704         * symtab.cc (Symbol::init_fields): Replaced initialization
6705         of got_offset_ with got_offsets_.  Removed initialization
6706         of has_got_offset_
6707         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
6708         (Symbol::got_offset): Likewise.
6709         (Symbol::set_got_offset): Likewise.
6710         (Symbol::has_tls_got_offset): Removed.
6711         (Symbol::tls_got_offset): Removed.
6712         (Symbol::set_tls_got_offset): Removed.
6713         (Symbol::got_offset_): Removed.
6714         (Symbol::tls_mod_got_offset_): Removed.
6715         (Symbol::tls_pair_got_offset_): Removed.
6716         (Symbol::got_offsets_): New field.
6717         (Symbol::has_got_offset): Removed.
6718         (Symbol::has_tls_mod_got_offset): Removed.
6719         (Symbol::has_tls_pair_got_offset): Removed.
6720         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
6721         (Target_x86_64::Scan::local): Updated callers of Output_data_got
6722         member functions.
6723         (Target_x86_64::Scan::global): Likewise.
6724         (Target_x86_64::Relocate::relocate): Likewise.
6725         (Target_x86_64::Relocate::relocate_tls): Likewise.
6726
6727 2008-03-25  Ben Elliston  <bje@au.ibm.com>
6728
6729         * yyscript.y: Fix spelling error in comment.
6730
6731 2008-03-24  Ian Lance Taylor  <iant@google.com>
6732
6733         * options.h (class General_options): Define build_id option.
6734         * layout.h (class Layout): Declare write_build_id, create_note,
6735         create_build_id.  Add build_id_note_ member.
6736         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
6737         "libiberty.h", "md5.h", "sha1.h".
6738         (Layout::Layout): Initialize eh_frame_data_,
6739         eh_frame_hdr_section_, and build_id_note_.
6740         (Layout::finalize): Call create_build_id.
6741         (Layout::create_note): New function, broken out of
6742         Layout::create_gold_note.
6743         (Layout::create_gold_note): Call create_note.
6744         (Layout::create_build_id): New function.
6745         (Layout::write_build_id): New function.
6746         (Close_task_runner::run): Call write_build_id.
6747
6748         * x86_64.cc: Correct license to GPLv3.
6749
6750 2008-03-23  Ian Lance Taylor  <iant@google.com>
6751
6752         * options.cc: Include "demangle.h".
6753         (parse_optional_string): New function.
6754         (parse_long_option): Handle takes_optional_argument.
6755         (parse_short_option): Update dash_z initializer.  Handle
6756         takes_optional_argument.
6757         (General_options::General_options): Initialize do_demangle_.
6758         (General_options::finalize): Set do_demangle_.  Handle demangling
6759         style.
6760         * options.h (parse_optional_string): Declare.
6761         (struct One_option): Add optional_arg field.  Update constructor.
6762         Update call constructor calls.  Add takes_optional_argument
6763         function.
6764         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
6765         (DEFINE_optional_string): Define.
6766         (General_options::demangle): Change from DEFINE_bool to
6767         DEFINE_optional_string.
6768         (General_options::no_demangle): New function.
6769         (General_options::do_demangle): New function.
6770         (General_options::set_do_demangle): New function.
6771         (General_options::execstack_status_): Move definition to end of
6772         class definition.
6773         (General_options::static_): Likewise.
6774         (General_options::do_demangle_): New field.
6775         * object.cc (big_endian>::get_symbol_location_info): Call
6776         Options::do_demangle, not Options::demangle.
6777         * symtab.cc (demangle): Likewise.
6778
6779 2008-03-22  Ian Lance Taylor  <iant@google.com>
6780
6781         * gold.h: Include <cstddef> and <sys/types.h>
6782         * options.h: Include <cstring>.
6783
6784 2008-03-21  Ian Lance Taylor  <iant@google.com>
6785
6786         * Added source code to GNU binutils.