gold/ChangeLog

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