gold/ChangeLog

   1 2010-02-11  Ian Lance Taylor  <iant@google.com>
   2
   3         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
   4         Read_relocs task.
   5         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
   6         Allocate_commons_task first.
   7         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
   8         task, rather than symtab_lock_.
   9         (Gc_process_relocs::~Gc_process_relocs): New function.
  10         (Gc_process_relocs::is_runnable): Check this_blocker_.
  11         (Gc_process_relocs::locks): Use next_blocker_ rather than
  12         blocker_.
  13         (Scan_relocs::~Scan_relocs): New function.
  14         (Scan_relocs::is_runnable): Check this_blocker_ rather than
  15         symtab_lock_.
  16         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
  17         next_blocker_.
  18         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
  19         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
  20         constructor accordingly.
  21         (class Gc_process_relocs): Likewise.
  22         (class Scan_relocs): Likewise.
  23         * common.h (class Allocate_commons_task): Remove symtab_lock_
  24         field, and corresponding constructor parameter.
  25         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
  26         symtab_lock_.
  27         (Allocate_commons_task::locks): Likewise.
  28
  29 2010-02-11  Ian Lance Taylor  <iant@google.com>
  30
  31         * gold-threads.h (class Once): Define.
  32         (class Initialize_lock): Rewrite as child of Once.
  33         * gold-threads.cc (class Once_initialize): Define.
  34         (once_pointer_control): New static variable.
  35         (once_pointer, once_arg): New static variables.
  36         (c_run_once): New static function.
  37         (Once::Once, Once::run_once, Once::internal_run): New functions.
  38         (class Initialize_lock_once): Remove.
  39         (initialize_lock_control): Remove.
  40         (initialize_lock_pointer): Remove.
  41         (initialize_lock_once): Remove.
  42         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
  43         (Initialize_lock::initialize): Rewrite.
  44         (Initialize_lock::do_run_once): New function.
  45         * archive.cc (Archive::interpret_header): Only clear name if it is
  46         not already empty.
  47         * fileread.cc: Include "gold-threads.h"
  48         (file_counts_lock): New static variable.
  49         (file_counts_initialize_lock): Likewise.
  50         (File_read::release): Only increment counts when using --stats.
  51         Use a lock around the increment.
  52         * parameters.cc (class Set_parameters_target_once): Define.
  53         (set_parameters_target_once): New static variable.
  54         (Parameters::Parameters): Move here from parameters.h.
  55         (Parameters::set_target): Rewrite.
  56         (Parameters::set_target_once): New function.
  57         (Parameters::clear_target): Move here and rewrite.
  58         * parameters.h (class Parameters): Update declarations.  Add
  59         set_parameters_target_once_ field.
  60         (Parameters::Parameters): Move to parameters.cc.
  61         (Parameters::clear_target): Likewise.
  62         * readsyms.cc (Read_symbols::do_group): Create a Start_group
  63         task.
  64         (Start_group::~Start_group): New function.
  65         (Start_group::is_runnable): New function.
  66         (Start_group::locks, Start_group::run): New functions.
  67         (Finish_group::run): Change saw_undefined to size_t.
  68         * readsyms.h (class Start_group): Define.
  69         (class Finish_group): Change saw_undefined_ field to size_t.
  70         (Finish_group::Finish_group): Remove saw_undefined and
  71         this_blocker parameters.  Change all callers.
  72         (Finish_group::set_saw_undefined): New function.
  73         (Finish_group::set_blocker): New function.
  74         * symtab.h (class Symbol_table): Change saw_undefined to return
  75         size_t.  Change saw_undefined_ field to size_t.
  76         * target-select.cc (Set_target_once::do_run_once): New function.
  77         (Target_selector::Target_selector): Initialize set_target_once_
  78         field.  Don't initialize lock_ and initialize_lock_ fields.
  79         (Target_selector::instantiate_target): Rewrite.
  80         (Target_selector::set_target): New function.
  81         * target-select.h (class Set_target_once): Define.
  82         (class Target_selector): Update declarations.  Make
  83         Set_target_once a friend.  Remove lock_ and initialize_lock_
  84         fields.  Add set_target_once_ field.
  85
  86 2010-02-10  Ian Lance Taylor  <iant@google.com>
  87
  88         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
  89         queueing any tasks.
  90         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
  91         (queue_middle_tasks): Add all blockers before queueing any tasks.
  92         (queue_final_tasks): Likewise.
  93         * token.h (Task_token::add_blockers): New function.
  94         * object.h (Input_objects::number_of_relobjs): New function.
  95
  96 2010-02-10  Ian Lance Taylor  <iant@google.com>
  97
  98         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
  99         shared, not if not position independent.
 100         * x86_64.cc (Relocate::relocate_tls): Likewise.
 101         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
 102         (tls_pie_pic_test): New target.
 103         * testsuite/Makefile.in: Rebuild.
 104
 105         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
 106         (tls_test_main_pie.o, tls_test_pie.o): New targets.
 107         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
 108         * testsuite/Makefile.in: Rebuild.
 109
 110 2010-02-09  David S. Miller  <davem@davemloft.net>
 111
 112         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
 113         R_SPARC_RELATIVE using ->add_local_relative().
 114         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
 115
 116         * output.h (Output_data_dynamic::add_section_size): New method
 117         that takes two Output_data objects.
 118         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
 119         entry param.  Handle it in initializers.
 120         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
 121         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
 122         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
 123         arg.
 124         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
 125         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
 126         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
 127         for dynrel_includes_plt.
 128         * i386.cc (Target_i386::do_finalize_sections): Likewise.
 129         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 130         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
 131         before .rela.plt
 132         (Target_sparc::do_finalize_sections): Update to pass true for
 133         dynrel_includes_plt.
 134         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
 135         output before .rela.plt
 136         (Target_powerpc::do_finalize_sections): Update to pass true for
 137         dynrel_includes_plt when 32-bit.
 138
 139 2010-02-08  Doug Kwan  <dougkwan@google.com>
 140
 141         * arm.cc (Arm_relobj::simple_input_section_output_address): New
 142         method.
 143         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
 144         Arm_relobj::scan_section_for_cortex_a8_stubs,
 145         Arm_relobj::do_relocation_section): Instead of calling
 146         Output_section::output_address, use faster
 147         Arm_relobj::simple_input_section_output_address.
 148
 149 2010-02-08  David S. Miller  <davem@davemloft.net>
 150
 151         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
 152         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
 153         relocation helper function.
 154
 155         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
 156         just like R_SPARC_GOT{10,13,22}.
 157         (Target_sparc::Scan::local): Likewise.
 158         (Target_sparc::Relocate:relocate): Likewise.
 159
 160 2010-02-06  Ian Lance Taylor  <iant@google.com>
 161
 162         * configure.ac: Rewrite targetobjs duplicate removal code to use
 163         only shell constructs.
 164         * configure: Rebuild.
 165
 166 2010-02-05  Doug Kwan  <dougkwan@google.com>
 167
 168         PR 11247
 169         * arm.cc (Arm_relobj::section_is_scannable): New method.
 170         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
 171         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
 172
 173 2010-02-04  Doug Kwan  <dougkwan@google.com>
 174
 175         PR 11247
 176         * arm-reloc-property.cc (cstdio): Include.
 177         * configure.ac (targetobjs): Remove duplicates.
 178         * configure: Regenerate.
 179         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
 180         big and little endian version for a given address size.
 181
 182 2010-02-03  Doug Kwan  <dougkwan@google.com>
 183
 184         * arm-reloc-property.cc
 185         (Arm_reloc_property_table::reloc_name_in_error_message): New method
 186         definition.
 187         * arm-reloc-property.h
 188         (Arm_reloc_property_table::get_implemented_static_reloc_property):
 189         New method definition.
 190         (Arm_reloc_property_table::reloc_name_in_error_message): New method
 191         declaration.
 192         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
 193         overflow to N.
 194         (GOT_PREL): Change implemented to Y.
 195         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
 196         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
 197         (Arm_relocate_functions::movw_abs_nc): Remove method.
 198         (Arm_relocate_functions::movt_abs): Ditto.
 199         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
 200         (Arm_relocate_functions::thm_movt_abs): Ditto.
 201         (Arm_relocate_functions::movw_rel_nc): Ditto.
 202         (Arm_relocate_functions::movw_rel): Ditto.
 203         (Arm_relocate_functions::movt_rel): Ditto.
 204         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
 205         (Arm_relocate_functions:thm_movw_rel): Ditto.
 206         (Arm_relocate_functions:thm_movt_rel): Ditto.
 207         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
 208         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
 209         New method definitions.
 210         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
 211         (Arm_relocation_functions::arm_grp_ldr): Ditto.
 212         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
 213         (Arm_relocation_functions::arm_grp_ldc): Ditto.
 214         (Target_arm::Relocate::relocate): Check for non-static or
 215         unimplemented relocation code and exit early.  Change calls to
 216         Target_arm::reloc_uses_thumb_bit and
 217         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
 218         instead.  Refactor code to handle similar relocations to increase
 219         code sharing.  Remove check for unsupported relocation code in switch
 220         statement.
 221         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
 222         relocation property table to find out size.  Change error message to
 223         print out the name of a relocation code instead of the numeric value.
 224         (Target_arm::scan_reloc_for_stub): Use relocation property table
 225         instead of calling Target_arm::reloc_uses_thumb_bit().
 226
 227 2010-02-02  Doug Kwan  <dougkwan@google.com>
 228
 229         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
 230         types of relaxed input section.
 231
 232 2010-02-02  Doug Kwan  <dougkwan@google.com>
 233
 234         * Makefile.am (HFILES): Add arm-reloc-property.h.
 235         (DEFFILES): New.
 236         (TARGETSOURCES): Add arm-reloc-property.cc
 237         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
 238         (libgold_a_SOURCES): $(DEFFILES)
 239         * Makefile.in: Regenerate.
 240         * arm-reloc-property.cc: New file.
 241         * arm-reloc-property.h: New file.
 242         * arm-reloc.def: New file.
 243         * arm.cc: Update comments.
 244         (arm-reloc-property.h): New included header.
 245         (arm_reloc_property_table): New global variable.
 246         (Target_arm::do_select_as_default_target): New method definition.
 247         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
 248         arm-reloc-property to targ_extra_obj.
 249         * parameters.cc (set_parameters_target): Call
 250         Target::select_as_default_target().
 251         * target.h (Target::select_as_default_target): New method definition.
 252         (Target::do_select_as_default_target): Same.
 253
 254 2010-02-01  Doug Kwan  <dougkwan@google.com>
 255
 256         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
 257         first_output_text_section_.
 258         (Arm_exidx_fixup::first_output_text_section): New method definition.
 259         (Arm_exidx_fixup::first_output_text_section_): New data member.
 260         (Arm_exidx_fixup::process_exidx_section): Record the first text
 261         output section seen.
 262         (Arm_output_section::fix_exidx_coverage): Set correct linked section
 263         and entsize in output section header.
 264
 265 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 266
 267         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
 268         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
 269         (Arm_relocate_functions::thm_alu11): New Method.
 270         (Arm_relocate_functions::thm_pc8): New Method.
 271         (Arm_relocate_functions::thm_pc12): New Method.
 272         (Target_arm::Scan::local): Handle the relocations.
 273         (Target_arm::Scan::global): Likewise.
 274         (Target_arm::Relocate::relocate): Likewise.
 275         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
 276
 277 2010-01-29  Doug Kwan  <dougkwan@google.com>
 278
 279         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
 280         of relocation types as ld.
 281
 282 2010-01-29  Doug Kwan  <dougkwan@google.com>
 283
 284         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
 285         to public.
 286         (Arm_relocate_functions::thumb_branch_common): Ditto.
 287         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
 288         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
 289         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
 290         Arm_relocate_functions::jump24): Remove.
 291         (Target_arm::Relocate::relocate): Adjust code to call
 292         Arm_relocation_functions::arm_branch_common and
 293         Arm_relocation_functions::thumb_branch_common instead of their removed
 294         wrappers.  Merge switch-cases together to reduce source code size.
 295
 296 2010-01-29  Doug Kwan  <dougkwan@google.com>
 297
 298         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
 299         output_local_symbol_count_needs_update_.
 300         (Arm_relobj::output_local_symbol_count_needs_update,
 301          Arm_relobj::set_output_local_symbol_count_needs_update,
 302          Arm_relobj::update_output_local_symbol_count): New methods.
 303         (Arm_relobj::output_local_symbol_count_needs_update_): New data
 304         member.
 305         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
 306         of pointed function as in a R_ARM_PREL31 relocation.
 307         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
 308         for output local symbol count updating.
 309         (Target_arm::do_relax): Update output local symbol counts in objects
 310         if necessary.
 311         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
 312
 313 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 314
 315         * arm.cc: Added support for the ARM relocations:
 316         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
 317         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
 318         (Arm_relocate_functions::movw_rel_nc): Renamed (was
 319         movw_prel_nc).
 320         (Arm_relocate_functions::movw_rel): New method.
 321         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
 322         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
 323         thm_movw_prel_nc).
 324         (Arm_relocate_functions::thm_movw_rel): New method.
 325         (Arm_relocate_functions::thm_movt_rel): Renamed (was
 326         thm_movt_prel).
 327         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
 328         relocations.
 329         (Target_arm::Scan::global): Likewise.
 330         (Target_arm::Relocate::relocate): Likewise.
 331         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 332         Likewise.
 333
 334 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 335
 336         * arm.cc: Added support for ARM group relocations.
 337         (Target_arm::reloc_needs_sym_origin): New method.
 338         (Arm_relocate_functions::calc_grp_kn): New method.
 339         (Arm_relocate_functions::calc_grp_residual): New method.
 340         (Arm_relocate_functions::calc_grp_gn): New method.
 341         (Arm_relocate_functions::arm_grp_alu): New Method.
 342         (Arm_relocate_functions::arm_grp_ldr): New Method.
 343         (Arm_relocate_functions::arm_grp_ldrs): New Method.
 344         (Arm_relocate_functions::arm_grp_ldc): New Method.
 345         (Target_arm::Scan::local): Handle the ARM group relocations.
 346         (Target_arm::Scan::global): Likewise.
 347         (Target_arm::Relocate::relocate): Likewise.
 348         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 349         Likewise.
 350
 351 2010-01-26  Doug Kwan  <dougkwan@google.com>
 352
 353         * arm.cc (set): Include.
 354         (class Arm_exidx_fixup): Change type of last_input_section_ to const
 355         pointer type.
 356         (Arm_output_section::Text_section_list): New type.
 357         (Arm_output_section::append_text_sections_to_list): New method.
 358         (Arm_output_section::fix_exidx_coverage): Ditto.
 359         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
 360         (Arm_relobj::convert_input_section_to_relaxed_section): Use
 361         Relobj::set_section_offset() instead of
 362         Sized_relobj::invalidate_section_offset().
 363         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
 364         parameter for section headers. Ignore relocation sections for
 365         unallocated sections and EXIDX sections.
 366         (Target_arm::fix_exidx_coverage): New method.
 367         (Target_arm::output_section_address_less_than): New type.
 368         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
 369         linked text section instead of the EXIDX section.
 370         (Arm_output_section::create_stub_group): Add an assertion to check
 371         that this is not an EXIDX output section.
 372         (Arm_output_section::append_text_sections_to_list): New method.
 373         (Arm_output_section::fix_exidx_coverage): Ditto.
 374         (Arm_relobj::scan_sections_for_stubs): Adjust call to
 375         Arm_relobj::section_needs_reloc_stub_scanning.
 376         (Target_arm::do_relax): Fix EXIDX output section coverage in the
 377         first pass.
 378         (Target_arm::fix_exidx_coverage): New method.
 379         * object.h (Relobj::set_output_section): New method.
 380         (Sized_relobj::invalidate_section_offset): Remove method.
 381         (Sized_relobj::do_invalidate_section_offset): Remove method.
 382         (Sized_relobj::do_set_section_offset): Handle offset value -1.
 383
 384 2010-01-25  Doug Kwan  <dougkwan@google.com>
 385
 386         * arm.cc (Arm_exidx_merged_section::do_output_offset):
 387         Fix warning due to signed and unsigned comparison on a 32-bit host.
 388
 389 2010-01-22  Doug Kwan  <dougkwan@google.com>
 390
 391         * arm.cc (Target_arm::do_relax): Record an output section for section
 392         offset adjustment it contains any stub table that has changed.
 393         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
 394         offsets in an output section if necessary.
 395         * output.cc (Output_section::Output_section): Initialize
 396         section_offsets_need_adjustments_.
 397         (Output_section::add_input_section_for_script): Renamed to
 398         Output_section::add_simple_input_section.
 399         (Output_section::save_states): Add a comment.
 400         (Output_section::discard_states): New method defintion.
 401         (Output_section::adjust_section_offsets): Same.
 402         * output.h (Output_section::add_input_section_for_script): Renamed to
 403         Output_section::add_simple_input_section.
 404         (Output_section::discard_states): New method declaration.
 405         (Output_section::adjust_section_offsets): Same.
 406         (Output_section::section_offsets_need_adjustment,
 407         Output_section::set_section_offsets_need_adjustment): New method
 408         definitions.
 409         (Output_section::section_offsets_need_adjustment_): New data member.
 410         * script-sections.cc
 411         (Output_section_element_input::set_section_address): Adjust code for
 412         renaming of Output_section::add_input_section_for_script.
 413         (Orphan_output_section::set_section_address): Same.
 414
 415 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 416
 417         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
 418         Fix_v4bx enum values .
 419         * gold/options.h (General_options): New option definitions.
 420         (General_options::fix_v4bx): New method.
 421         (General_options::Fix_v4bx): New enum.
 422         * gold/options.cc (General_options::parse_fix_v4bx): New method.
 423         (General_options::parse_fix_v4bx_interworking): New method.
 424
 425 2010-01-22  Doug Kwan  <dougkwan@google.com>
 426
 427         * arm.cc (Arm_exidx_fixup): New class.
 428
 429 2010-01-21  Doug Kwan  <dougkwan@google.com>
 430
 431         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
 432         classes.
 433         (Arm_exidx_section_offset_map): New type.
 434
 435 2010-01-21  Doug Kwan  <dougkwan@google.com>
 436
 437         * arm.cc (Arm_exidx_input_section): New class.
 438         (Arm_relobj::exidx_input_section_by_link,
 439         Arm_relobj::exidx_input_section_by_shndx,
 440         Arm_relobj::make_exidx_input_section): New methods.
 441         (read_arm_attributes_section): Remove.
 442         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
 443         information about them.
 444         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
 445         to here.
 446
 447 2010-01-20  Doug Kwan  <dougkwan@google.com>
 448
 449         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
 450         Input_section_specifier to Section_id.
 451         (Target_arm::new_arm_input_section: Adjust code for change of key
 452         type.
 453         (Target_arm::find_arm_input_section): Ditto.
 454         * gc.h (object.h): Include for Section_id nand Section_id_hash.
 455         (Section_id): Remove.
 456         (Garbage_collection::Section_id_hash): Remove.
 457         * icf.h (object.h): Include for Section_id nand Section_id_hash.
 458         (Section_id): Remove.
 459         (Icf::Section_id_hash): Remove.
 460         * object.h (Section_id, Const_section_id, Section_id_hash,
 461         Const_section_id_hash): New type definitions.
 462         * output.cc (Output_section::add_relaxed_input_section): Change to
 463         use Const_section_id instead of Input_section_specifier as key type.
 464         (Output_section::add_merge_input_section): Ditto.
 465         (Output_section::build_relaxation_map): Change to use Section_id
 466         instead of Input_section_specifier as key type.
 467         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
 468         Ditto.
 469         (Output_section::convert_input_sections_to_relaxed_sections): Change
 470         to use Const_section_id instead of Input_section_specifier as key type.
 471         (Output_section::find_merge_section): Ditto.
 472         (Output_section::find_relaxed_input_section): Ditto.
 473         * output.h (Input_section_specifier): Remove class.
 474         (Output_section::Output_section_data_by_input_section_map): Change
 475         key type to Const_section_id.
 476         (Output_section::Output_relaxed_input_section_by_input_section_map):
 477         Ditto.
 478         (Output_section::Relaxation_map): Change key type to Section_id.
 479
 480 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 481
 482         * gold/arm.cc: Added support for R_ARM_V4BX relocation
 483         (class Arm_v4bx_stub): New class.
 484         (DEF_STUBS): Updated definition to support v4_veneer_bx.
 485         (Stub_factory::make_arm_v4bx_stub): New method.
 486         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
 487         (Stub_table::empty): Handle v4bx stubs.
 488         (Stub_table::add_arm_v4bx_stub): New method.
 489         (Stub_table::find_arm_v4bx_stub): New method.
 490         (Arm_relocate_functions::v4bx): New method.
 491         (Target_arm::fix_v4bx): New method.
 492         (Target_arm::Target_arm): Handle R_ARM_V4BX.
 493         (Stub_table::relocate_stubs): Likewise.
 494         (Stub_table::do_write): Likewise.
 495         (Stub_table::update_data_size_and_addralign): Likewise.
 496         (Stub_table::finalize_stubs):  Likewise.
 497         (Target_arm::Scan::local): Likewise.
 498         (Target_arm::Scan::global): Likewise.
 499         (Target_arm::do_finalize_sections): Likewise.
 500         (Target_arm::Relocate::relocate): Likewise.
 501         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 502         Likewise.
 503         (Target_arm::scan_reloc_for_stub): Likewise.
 504         (Target_arm::scan_reloc_section_for_stubs): Likewise.
 505
 506 2010-01-19  Ian Lance Taylor  <iant@google.com>
 507
 508         * output.cc (Output_section_headers::do_sized_write): Write large
 509         segment count to sh_info field.
 510         (Output_file_header::do_sized_write): For large segment count,
 511         write PN_XNUM to e_phnum field.
 512
 513 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 514
 515         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
 516         (Arm_relocate_functions::thm_jump8): New function.
 517         (Arm_relocate_functions::thm_jump11): New function.
 518         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
 519         R_ARM_THM_JUMP11.
 520         (Target_arm::Scan::global): Likewise.
 521         (Target_arm::Relocate::relocate): Likewise.
 522         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 523         Likewise.
 524
 525 2010-01-14  Doug Kwan  <dougkwan@google.com>
 526
 527         * arm.cc (map, utility): Include headers.
 528         (Target_arm::apply_cortex_a8_workaround): New method.
 529         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
 530         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
 531         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
 532         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
 533         the --[no-]fix-cortex-a8 command line options.
 534         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
 535         (Target_arm::relocate_stub): Use addend in instruction template.
 536         * options.h (DEFINE_bool): Set the user-set flag.
 537         (General_options): Add --[no-]-fix-cortex options.
 538         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
 539         : Update fast look-up map after conversion.
 540
 541 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
 542
 543         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
 544         in the first pass of do_layout.
 545
 546 2010-01-13  Doug Kwan  <dougkwan@google.com>
 547
 548         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
 549         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
 550         apparent compiler problem of not folding static constant integral
 551         data members of elfcpp::Elf_sizes<32>.
 552
 553 2010-01-13  Doug Kwan  <dougkwan@google.com>
 554
 555         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
 556         Arm_relobj::section_needs_cortex_a8_stub_scanning,
 557         Arm_relobj::scan_section_for_cortex_a8_erratum,
 558         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
 559         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
 560         sections to scan for relocation stubs into a new method
 561         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
 562         relocation and Cortex-A8 stub scanning.
 563         (Target_arm::do_relax): Force stubs to be after stubbed sections
 564         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
 565         the beginning of a new relaxation pass.  Update a comment.
 566         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
 567
 568 2010-01-12  Ian Lance Taylor  <iant@google.com>
 569
 570         * target-reloc.h (visibility_error): New inline function.
 571         (relocate_section): Call visibility_error.
 572         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
 573         (MOSTLYCLEANFILES): Likewise.
 574         (protected_4_pic.o, protected_3.err): New targets.
 575         * testsuite/protected_4.cc: New file.
 576
 577 2010-01-12  Doug Kwan  <dougkwan@google.com>
 578
 579         * arm.cc (Cortex_a8_reloc): New class.
 580         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
 581         and cortex_a8_relocs_info_.
 582         (Target_arm::fix_cortex_a8): New method definition.
 583         (Target_arm::Cortex_a8_relocs_info): New type.
 584         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
 585         New data member declarations.
 586         (Target_arm::scan_reloc_for_stub): Record information about
 587         relocations for THUMB branches that might be exempted from the
 588         Cortex-A8 workaround.
 589         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
 590         at the beginning of a relaxation pass.
 591
 592 2010-01-12  Doug Kwan  <dougkwan@google.com>
 593
 594         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
 595         (Arm_relobj::Mapping_symbol_position,
 596          Arm_reloj::Mapping_symbol_position_less,
 597          Arm_relobj::Mapping_symbols_info): New types.
 598         (Target_arm::is_mapping_symbol_name): New method definition.
 599         (Arm_relobj::do_count_local_symbols): Save information about mapping
 600         symbols.
 601
 602 2010-01-11  Doug Kwan  <dougkwan@google.com>
 603
 604         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
 605         Arm_relocate_functions::thumb32_branch_upper,
 606         Arm_relocate_functions::thumb32_branch_lower,
 607         Arm_relocate_functions::thumb32_cond_branch_offset,
 608         Arm_relocate_functions::thumb32_cond_branch_upper,
 609         Arm_relocate_functions::thumb32_cond_branch_lower,
 610         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
 611         branch offset encoding.
 612         (Arm_relocate_functions::thumb_branch_common): Use new branch
 613         offset encoding methods to avoid code duplication.
 614         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
 615         (Stub_addend_reader::operator()): Use new branch encoding method
 616         to avoid code duplication.
 617
 618 2010-01-11  Doug Kwan  <dougkwan@google.com>
 619
 620         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
 621         (Target_arm::do_finalize_sections): Define special EXIDX section
 622         symbols only if referenced.
 623         * gc.h (Garbage_collection::add_reference): New method.
 624         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
 625         code duplication.
 626
 627 2010-01-11  Ian Lance Taylor  <iant@google.com>
 628
 629         * script.cc (Version_script_info::build_expression_list_lookup):
 630         Change complaing about duplicate wildcard match from error to
 631         warning.
 632
 633         * script.cc (class Lazy_demangler): Recreate--revert part of patch
 634         of 2009-12-30.
 635         (Version_script_info::Version_script_info): Initialize globs_,
 636         default_version_, default_is_global_, and exact_.  Don't
 637         initialize globals_ or locals_.
 638         (Version_script_info::build_lookup_tables): Build local symbols
 639         first.
 640         (Version_script_info::unquote): New function.
 641         (Version_script_info::add_exact_match): New function.
 642         (Version_script_info::build_expression_list_lookup): Remove lookup
 643         parameter.  Add is_global parameter.  Change all callers.  Handle
 644         wildcard pattern specially.  Unquote pattern.  Call
 645         add_exact_match.
 646         (Version_script_info::get_name_to_match): New function.
 647         (Version_script_info::get_symbol_version): New function.
 648         (Version_script_info::get_symbol_version_helper): Remove.
 649         (Version_script_info::check_unmatched_names): Call unquote.
 650         * script.h (class Version_script_info): Change get_symbol_version
 651         to be non-inline and add is_global parameter; change all callers.
 652         Rewrite symbol_is_local.  Update declarations.  Define struct
 653         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
 654         Remove globals_ and locals_ members.  Add exact_, globs_,
 655         default_version_, is_global_.
 656         (Version_script_info::Glob): Remove pattern, add expression and
 657         is_global.  Update constructor.  Change all callers.
 658         * dynobj.cc (Versions::finalize): Mark the version symbol as the
 659         default version.
 660         (Versions::symbol_section_contents): If a symbol is undefined, or
 661         defined in a dynamic object, set the version index to
 662         VER_NDX_LOCAL.
 663         * symtab.cc (Symbol_table::add_from_relobj): Don't call
 664         symbol_is_local.
 665         (Symbol_table::add_from_pluginobj): Likewise.
 666         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
 667
 668 2010-01-11  Doug Kwan  <dougkwan@google.com>
 669
 670         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
 671         (incremental_dump_LDADD): Add linking option for libintl.
 672         * Makefile.in: Regenerate.
 673
 674 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
 675
 676         PR gold/11144
 677         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
 678         instead of -Ds.
 679         * testsuite/Makefile.in: Regenerated.
 680
 681 2010-01-10  Doug Kwan  <dougkwan@google.com>
 682
 683         * options.h (DEFINE_var): Use parentheses around argument varname__
 684         in macro body to avoid any unintended subsequent substitutions.
 685
 686 2010-01-10  Ian Lance Taylor  <iant@google.com>
 687
 688         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
 689         candidates before doing symbol resolution.
 690
 691         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
 692         ODR candidates if only one is weak.
 693
 694 2010-01-08  Ian Lance Taylor  <iant@google.com>
 695
 696         * script.cc (Version_script_info::build_expression_list_lookup):
 697         Don't warn about ambiguous version, just record the ambiguity.
 698         (Version_script_info::get_symbol_version_helper): Give error if
 699         version is ambiguous.
 700
 701 2010-01-08  Doug Kwan  <dougkwan@google.com>
 702
 703         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
 704           prev_data_size_ and prev_addralign_.  Remove initializer for
 705           deleted data member has_been_changed_.
 706           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
 707           to determine if the table is empty.
 708           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
 709           Remove.
 710           (Stub_table::add_reloc_stub): Define method in class definition
 711           instead of just declaring it there.
 712           (Stub_table::add_cortex_a8_stub): New method definition.
 713           (Stub_table::update_data_size_and_addralign): Ditto.
 714           (Stub_table::finalize_stubs): Ditto.
 715           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
 716           (Stub_table::do_addralign_): Return address alignment in the
 717           (Stub_table::do_reset_address_and_file_offset): Define method in
 718           class definition instead of declaring it there.  Set current data
 719           size to be the data size of the previous pass.
 720           (Stub_table::set_final_data_size): Use current data size as the
 721           final data size.
 722           (Stub_table::relocate_stub): Change parameter type of stub from
 723           Reloc_stub pointer to Stub pointer.
 724           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
 725           (Stub_table::Cortex_a8_stub_list): New typedef.
 726           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
 727            Stub_table::prev_addralign_): New data member.
 728           (Arm_relobj::Arm_relobj): Initialize data member
 729           section_has_cortex_a8_workaround_.
 730           (Arm_relobj::section_has_cortex_a8_workaround,
 731            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
 732            definitions.
 733           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
 734           declarations.
 735           (Target_arm::relocate_stub): Change parameter type of stub from
 736           Reloc_stub pointer to Stub pointer.
 737           (Insn_template::size, Insn_template::alignment): Handle
 738           THUMB16_SPECIAL_TYPE.
 739           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
 740            Stub_table::update_data_size_and_addralign,
 741            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
 742           definitions.
 743           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
 744           (Stub_table::do_write): Ditto.
 745           (Target_arm::do_relax): Adjust code for changes in Stub_table.
 746
 747 2010-01-08  Ian Lance Taylor  <iant@google.com>
 748
 749         PR 11108
 750         * symtab.h (class Symbol): Remove fields is_target_special_ and
 751         has_plt_offset_.  Add field is_defined_in_discarded_section_.
 752         (Symbol::is_defined_in_discarded_section): New function.
 753         (Symbol::set_is_defined_in_discarded_section): New function.
 754         (Symbol::has_plt_offset): Rewrite.
 755         (Symbol::set_plt_offset): Verify that new offset is not -1U.
 756         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
 757         Don't initialize is_target_special_ or has_plt_offset_.
 758         Initialize is_defined_in_discarded_section_.
 759         (Symbol_table::add_from_relobj): If appropriate, set
 760         is_defined_in_discarded_section.
 761         * resolve.cc (Symbol::override_base_with_special): Don't test
 762         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
 763         * target-reloc.h (relocate_section): Do special handling for
 764         symbols defined in discarded sections for global symbols as well
 765         as local symbols.
 766
 767 2010-01-08  Ian Lance Taylor  <iant@google.com>
 768
 769         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
 770         the SHT_SYMTAB case.
 771
 772 2010-01-08  Ian Lance Taylor  <iant@google.com>
 773
 774         * object.cc (Sized_relobj::do_layout): Don't get confused if
 775         layout_eh_frame returns NULL.
 776
 777 2010-01-08  Ian Lance Taylor  <iant@google.com>
 778
 779         PR 11084
 780         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
 781         dynamic symbol table, use the normal symbol table.
 782         (Sized_dynobj::do_read_symbols): Remove assertion about type of
 783         symbol table.
 784
 785 2010-01-08  Ian Lance Taylor  <iant@google.com>
 786
 787         PR 11072
 788         * layout.cc (Layout::include_section): Remove .gnu_debuglink
 789         sections.
 790
 791 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
 792
 793         * version.cc (print_version): Change to "Copyright 2010".
 794
 795 2010-01-08  Ian Lance Taylor  <iant@google.com>
 796
 797         PR 10287
 798         PR 11063
 799         * i386.cc (class Target_i386): Change return type of plt_section
 800         to be non-const.
 801         (class Output_data_plt_i386): Add tls_desc_rel_ field.
 802         (Output_data_plt_i386::Output_data_plt_i386): Initialize
 803         tls_desc_rel_ field.
 804         (Output_data_plt_i386::rel_tls_desc): New function.
 805         (Target_i386::rel_tls_desc_section): New function.
 806         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
 807         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
 808         R_386_TLS_DESC reloc in rel_tls_desc_section.
 809         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
 810         Define struct Tlsdesc_info.
 811         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
 812         (Target_x86_64::do_reloc_symbol_index): New function.
 813         (Target_x86_64::add_tlsdesc_info): New function.
 814         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
 815         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
 816         tlsdesc_rel_ field.
 817         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
 818         all callers.
 819         (Output_data_plt_x86_64::rela_tlsdesc): New function.
 820         (Target_x86_64::rela_tlsdesc_section): New function.
 821         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
 822         handling.
 823         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
 824         (Target_x86_64::do_reloc_addend): New function.
 825         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
 826         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
 827         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
 828         (Output_reloc::type): New function.
 829         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
 830         (Output_reloc::is_target_specific): New function.
 831         (Output_reloc::target_arg): New function.
 832         (class Output_reloc) [SHT_RELA]: Add four new constructors for
 833         absolute relocs and target specific relocs.
 834         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
 835         add_target_specific.
 836         (class Output_data_reloc) [SHT_RELA]: Likewise.
 837         * output.cc (Output_reloc::Output_reloc): Add four new versions
 838         for absolute relocs and target specific relocs.
 839         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
 840         (Output_reloc::get_symbol_index): Likewise.
 841         (Output_reloc::local_section_offset): Check that local_sym_index_
 842         is not TARGET_CODE or 0.
 843         (Output_reloc::symbol_value): Likewise.
 844         (Output_reloc::write) [SHT_RELA]: Call target for target specific
 845         reloc.
 846         * target.h (class Target): Add reloc_symbol_index and reloc_addend
 847         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
 848         functions.
 849         * layout.cc (add_target_dynamic_tags): Use output section for
 850         DT_PLTRELSZ and DT_JMPREL.
 851
 852 2010-01-07  Ian Lance Taylor  <iant@google.com>
 853
 854         PR 11061
 855         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
 856         function.
 857         (class Output_data_reloc_generic): Define.
 858         (class Output_data_reloc_base): Change base class to
 859         Output_data_reloc_generic.  Change add() method to call
 860         bump_relative_reloc_count for a relative reloc.  Remove
 861         sort_relocs_ field.
 862         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
 863         to sort_relocs().
 864         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
 865         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
 866         appropriate.
 867         * layout.h (class Layout): Update declaration.
 868
 869 2010-01-07  Ian Lance Taylor  <iant@google.com>
 870
 871         * output.h (class Output_data): Add const version of
 872         output_section and do_output_section.
 873         (class Output_section_data): Add const version of
 874         do_output_section.
 875         (class Output_section): Likewise.
 876         * layout.cc (Layout::add_target_dynamic_tags): New function.
 877         * layout.h (class Layout): Update declarations.
 878         * arm.cc (Target_arm::do_finalize_sections): Use
 879         add_target_dynamic_tags.
 880         * i386.cc (Target_i386::do_finalize_sections): Likewise.
 881         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
 882         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
 883         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 884
 885 2010-01-07  Ian Lance Taylor  <iant@google.com>
 886
 887         PR 11042
 888         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
 889         object as needed.
 890
 891 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
 892             Ian Lance Taylor  <iant@google.com>
 893
 894         PR 11019
 895         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
 896         Xindex::read_symtab_xindex.
 897
 898 2010-01-07  Doug Kwan  <dougkwan@google.com>
 899
 900         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
 901         (Insn_template::thumb16_bcond_insn): New method declaration.
 902         (Insn_template): Fix spelling.
 903         (Stub::thumb16_special): New method declaration.
 904         (Stub::do_write): Define virtual method which was previously pure
 905         virtual.
 906         (Stub::do_thumb16_special): New method declaration.
 907         (Stub::do_fixed_endian_write): New template member.
 908         (Reloc_stub::do_write): Remove.
 909         (Reloc_stub::do_fixed_endian_write): Remove.
 910         (Cortex_a8_stub): New class definition.
 911         (Stub_factory::make_cortex_a8_stub): New method definition.
 912         (Stub_factory::Stub_factory): Add missing static storage class
 913         qualifier for elf32_arm_stub_a8_veneer_blx.
 914
 915 2010-01-07  Ian Lance Taylor  <iant@google.com>
 916
 917         PR 10980
 918         * options.h (class General_options): Add --warn-unresolved-symbols
 919         and --error-unresolved-symbols.
 920         * errors.cc (Errors::undefined_symbol): Implement
 921         --warn-unresolved-symbols.
 922
 923         * options.h (class General_options): Add -z text and -z textoff.
 924         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
 925
 926 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
 927
 928         * gc.h (Garbage_collection::Cident_section_map): New typedef.
 929         (Garbage_collection::cident_sections): New function.
 930         (Garbage_collection::add_cident_section): New function.
 931         (Garbage_collection::cident_sections_): New member.
 932         (gc_process_relocs): Add references to sections whose names are C
 933         identifiers.
 934         * gold.h (cident_section_start_prefix): New constant.
 935         (cident_section_stop_prefix): New constant.
 936         (is_cident): New function.
 937         * layout.cc (Layout::define_section_symbols): Replace string constants
 938         with the newly defined constants.
 939         * object.cc (Sized_relobj::do_layout): Track sections whose names are
 940         C identifiers.
 941         * testsuite/Makefile.am: Add gc_orphan_section_test.
 942         * testsuite/Makefile.in: Regenerate.
 943         * testsuite/gc_orphan_section_test.cc: New file.
 944         * testsuite/gc_orphan_section_test.sh: New file.
 945
 946 2010-01-06  Ian Lance Taylor  <iant@google.com>
 947
 948         PR 10980
 949         * options.h (class General_options): Add --warn-shared-textrel.
 950         * layout.cc (Layout::finish_dynamic_section): Implement
 951         --warn-shared-textrel.
 952
 953         PR 10980
 954         * options.h (class General_options): Add --warn-multiple-gp.
 955
 956 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 957
 958         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
 959         $(THREADSLIB) and $(LIBDL).
 960         * Makefile.in: Rebuild.
 961
 962 2010-01-06  Ian Lance Taylor  <iant@google.com>
 963
 964         PR 10980
 965         * options.cc (General_options::parse_section_start): New function.
 966         (General_options::section_start): New function.
 967         (General_options::General_options): Initialize all members.
 968         * options.h: Include <map>
 969         (class General_options): Add --section-start.  Add section_starts_
 970         member.
 971         * layout.cc (Layout::attach_allocated_section_to_segment): If
 972         --section-start was used, set the address of the segment.  Remove
 973         local sort_sections.
 974         (Layout::relaxation_loop_body): If the address of the load segment
 975         has been set by --section-start, don't use it.
 976         * output.h (Output_segment::update_flags_for_output_section): New
 977         function.
 978         * output.cc (Output_segment::add_output_section): Call
 979         update_flags_for_output_section.
 980
 981 2010-01-05  Ian Lance Taylor  <iant@google.com>
 982
 983         PR 10980
 984         * options.h (class General_options): Add --undefined-version.
 985         * script.cc (struct Version_expression): Add was_matched_by_symbol
 986         field.
 987         (Version_script_info::matched_symbol): New function.
 988         (Version_script_info::get_symbol_version_helper): Call
 989         matched_symbol.
 990         (Version_script_info::check_unmatched_names): New function.
 991         * script.h (class Version_script_info): Update declarations.
 992         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
 993
 994         * options.h (class General_options): Use DEFINE_bool_alias for
 995         allow_multiple_definition.
 996         * resolve.cc (Symbol_table::should_override): Don't test
 997         allow_multiple_definition.
 998
 999         PR 10980
1000         * options.h (class General_options): Add --cref.
1001         * main.cc (main): Print cref table if --cref.  Don't close mapfile
1002         until after printing cref table.
1003         * cref.cc: Include "symtab.h".
1004         (class Cref_inputs): Define Cref_table_compare and Cref_table.
1005         (Cref_table_compare::operator()): New function.
1006         (Cref_inputs::gather_cref): New function.
1007         (filecol): New static const.
1008         (Cref_inputs::print_cref): New function.
1009         (Cref::print_cref): New function.
1010         * cref.h: Include <cstdio>.
1011         (class Cref): Update declarations.
1012         * mapfile.h (Mapfile::file): New function.
1013         * object.h (class Object): Define Symbols.  Declare virtual
1014         do_get_global_symbols.
1015         (Object::get_global_symbols): New function.
1016         * object.cc (Input_objects::add_object): Pass object to cref_ if
1017         --cref.
1018         (Input_objects::archive_start): Likewise.
1019         (Input_objects::archive_stop): Likewise.
1020         (Input_objects::print_cref): New function.
1021         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1022         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1023         --cref.
1024         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1025         function.
1026         * plugin.h (class Sized_pluginobj): Update declarations.
1027
1028 2010-01-05  Ian Lance Taylor  <iant@google.com>
1029
1030         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1031         to is_default_version.  Rename insdef to insdefault.
1032         (Symbol_table::add_from_relobj): Rename def to is_default_version
1033         and local to is_forced_local.
1034         (Symbol_table::add_from_pluginobj): Likewise.
1035         (Symbol_table::add_from_dynobj): Likewise.
1036         (Symbol_table::define_special_symbol): Rename insdef to
1037         insdefault.
1038
1039 2010-01-04  Ian Lance Taylor  <iant@google.com>
1040
1041         PR 10980
1042         * options.h (class General_options): Add
1043         --allow-multiple-definition and -z muldefs.
1044         * resolve.cc (Symbol_table::should_override): Don't warn about a
1045         multiple symbol definition if --allow-multiple-definition or -z
1046         muldefs.
1047
1048         PR 10980
1049         * options.h (class General_options): Add --add-needed and
1050         --copy-dt-needed-entries.  Tweak --as-needed help entry.
1051         * object.cc (Input_objects::check_dynamic_dependencies): Give an
1052         error if --copy-dt-needed-entries aka --add-needed is used and
1053         would cause a change in behaviour.
1054
1055         PR 10980
1056         * options.h (class General_options): Add -G as a short version of
1057         --shared.  Add no-op options -assert, -g, and -i.
1058
1059 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
1060
1061         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1062         check for .text or .gnu.linkonce.t sections.
1063         * icf.cc (Icf::find_identical_sections): Ditto.
1064         Change the detection for mangled function name within the section
1065         name.
1066         * icf.h (is_section_foldable_candidate): New function.
1067
1068 2009-12-30  Ian Lance Taylor  <iant@google.com>
1069
1070         PR 10980
1071         * options.h (class General_options): Permit two dashes with
1072         --retain-symbols-file.
1073
1074 2009-12-30  Ian Lance Taylor  <iant@google.com>
1075
1076         PR 10979
1077         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1078         don't put the file header and segment headers in the text
1079         segment.
1080
1081         PR 10979
1082         * common.cc (Sort_commons::operator()): Stabilize sort when both
1083         entries are NULL.
1084         (Symbol_table::do_allocate_commons_list): When allocating common
1085         symbols, skip a symbol which is no longer common.
1086         * symtab.h (Symbol::is_common): Test whether the symbol comes from
1087         an object before checking its type.
1088         * testsuite/common_test_2.c: New file.
1089         * testsuite/common_test_3.c: New file.
1090         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1091         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1092         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1093         (common_test_2_pic.o, common_test_2.so): New targets.
1094         (common_test_3_pic.o, common_test_3.so): New targets.
1095         * testsuite/Makefile.in: Rebuild.
1096
1097         PR 10979
1098         * script.cc (read_input_script): If we see a new SECTIONS clause,
1099         and we have added an input section, give an error.
1100         * layout.h (class Layout): Add have_added_input_section function.
1101         Add have_added_input_section_ field.
1102         * layout.cc (Layout::Layout): Initialize
1103         have_added_input_section_.
1104         (Layout::layout): Set have_added_input_section_.
1105         (Layout::layout_eh_frame): Likewise.
1106
1107 2009-12-30  Ian Lance Taylor  <iant@google.com>
1108
1109         PR 10931
1110         * options.h (class General_options): Add --sort-common option.
1111         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1112         * common.cc (Sort_common): Add sort_order parameter to
1113         constructor.  Add sort_order_ field.
1114         (Sort_commons::operator): Check sort_order_.
1115         (Symbol_table::allocate_commons): Determine the sort order.
1116         (Symbol_table::do_allocate_commons): Add sort_order parameter.
1117         Change all callers.
1118         (Symbol_table::do_allocate_commons_list): Likewise.
1119
1120 2009-12-30  Ian Lance Taylor  <iant@google.com>
1121
1122         PR 10916
1123         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1124         symbols from this object, don't change the visibility of an
1125         undefined symbol.
1126         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1127
1128 2009-12-30  Ian Lance Taylor  <iant@google.com>
1129
1130         PR 10861
1131         * script.h (class Version_script_info): Define Language enum.
1132         Update declarations.  Define Glob, Exact, and Lookup types.  Add
1133         new fields globals_, locals_, and is_finalized_.
1134         * script.cc: Various formatting fixes.
1135         (class Parser_closure): Change language_stack_ from a vector of
1136         std::string to one of Version_script_info::Language.  Adjust all
1137         uses accordingly.
1138         (class Lazy_demangler): Remove.
1139         (struct Version_expression): Change language from std::string to
1140         Version_script_info::Language.
1141         (Version_script_info::Version_script_info): New function.
1142         (Version_script_info::~Version_script_info): Don't call clear.
1143         (Version_script_info::finalize): New function.
1144         (Version_script_info::build_lookup_tables): New function.
1145         (Version_script_info::build_expression_list_lookup): New
1146         function.
1147         (Version_script_info::get_symbol_version_helper): Rewrite to use
1148         lookup tables.
1149         (Version_script_info::print_expression_list): Adjust to use
1150         Version_script_info::Language.
1151         (script_push_lex_into_version_mode): Check that the version script
1152         has not been finalized.
1153         (version_script_push_lang): Change language string to
1154         Version_script_info::Language.
1155         * options.cc (Command_line::version_script): New function.
1156         * options.h (class General_options): Add finalize_dynamic_list
1157         function.  Change version_script from declaration to definition.
1158         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1159         * testsuite/version_script.map: Remove duplicate def of foo.
1160         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1161         version_script.map.
1162         * testsuite/Makefile.in: Rebuild.
1163
1164 2009-12-30  Ian Lance Taylor  <iant@google.com>
1165
1166         PR 10843
1167         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1168         if the input symbol index is 0, make the output symbol index 0.
1169
1170 2009-12-30  Ian Lance Taylor  <iant@google.com>
1171
1172         PR 10670
1173         * options.h (class General_options): Add -x/--discard-all.
1174         * object.cc (Sized_relobj::do_count_local_symbols): Handle
1175         --discard-all.  If the local symbol needs a dynamic entry, check
1176         that before handling --discard-locals.
1177
1178 2009-12-30  Ian Lance Taylor  <iant@google.com>
1179
1180         PR 10450
1181         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
1182         flags to PF_R.
1183         (Output_segment::add_output_section): Don't change the flags if
1184         the type is PT_TLS.
1185
1186         PR 10450
1187         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
1188         GNU hash table if they need a dynamic value.  Otherwise, don't add
1189         them if they are defined in a dynamic object or are forced local.
1190
1191 2009-12-29  Ian Lance Taylor  <iant@google.com>
1192
1193         PR 10450
1194         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
1195         .gnu.hash table for a 32-bit target.
1196
1197         PR 10450
1198         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
1199         regular and a dynamic object only needs a dynamic symbol table
1200         entry if it is externally visible.
1201
1202         PR 10450
1203         * i386.cc (class Target_i386): Initialize global_offset_table_ in
1204         constructor.  Add global_offset_table_ field.
1205         (Target_i386::got_section): Set global_offset_table_.
1206         (Target_i386::do_finalize_sections): Set global_offset_table_
1207         size.
1208         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
1209         in constructor.  Add global_offset_table_ field.
1210         (Target_x86_64::got_section): Set global_offset_table_.
1211         (Target_x86_64::do_finalize_sections): Set global_offset_table_
1212         size.
1213
1214         * layout.cc (Layout::Layout): Initialize increase_relro_.
1215         (Layout::get_output_section): Add is_relro, is_last_relro, and
1216         is_first_non_relro parameters.  Change all callers.
1217         (Layout::choose_output_section): Likewise.
1218         (Layout::add_output_section_data): Likewise.
1219         (Layout::make_output_section): Likewise.
1220         (Layout::set_segment_offsets): Clear increase_relro when using a
1221         linker script.
1222         * layout.h (class Layout): Add increase_relro method.  Add
1223         increase_relro_ field.  Update declarations.
1224         * output.cc (Output_section::Output_section): Initialize
1225         is_last_relro_ and is_first_non_relro_.
1226         (Output_segment::add_output_section): Group relro sections is
1227         do_sort is true.  Handle is_last_relro and is_first_non_relro.
1228         (Output_segment::maximum_alignment): Remove relro handling.
1229         (Output_segment::set_section_addresses): Add increase_relro
1230         parameter.  Change all callers.  Add initial alignment to align
1231         relro sections on separate page.  Remove old relro handling.
1232         (Output_segment::set_section_list_addresses): Remove in_relro
1233         parameter.  Change all callers.
1234         (Output_segment::set_offset): Add increase parameter.  Change all
1235         callers.  Remove old relro handling.
1236         * output.h (class Output_section): Add new methods: is_last_relro,
1237         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
1238         Add is_last_relro_ and is_first_non_relro_ fields.
1239         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
1240         Create separate .got.plt section.  Call increase_relro.
1241         * x86_64.cc (Target_x86_64::got_section): Likewise.
1242         * testsuite/relro_script_test.t: Add .got.plt.
1243
1244         PR 10450
1245         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
1246         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
1247         (Layout::finalize): Call set_dynamic_symbol_size.
1248         (Layout::set_dynamic_symbol_size): New function.
1249         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
1250         set_dynamic_symbol_size.
1251
1252         PR 10450
1253         * output.h (class Output_section): Add is_entsize_zero_ field.
1254         * output.cc (Output_section::Output_section): Initialize
1255         is_entsize_zero_.
1256         (Output_section::set_entsize): If two different entsizes are
1257         requested, force it to zero.
1258         (Output_section::add_input_section): Set flags for .debug_str
1259         before updating section flags.  Set entsize.
1260         (Output_section::update_flags_for_input_section): Set SHF_MERGE
1261         and SHF_STRING if all input sections have those flags.
1262
1263 2009-12-29   Rafael Espindola  <espindola@google.com>
1264
1265         * main.cc (main): Fix the sys time reporting.
1266         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
1267         reporting.
1268
1269 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
1270
1271         * options.cc (General_options::parse_version): Allow -v to exit
1272         without an error if there is nothing to link.
1273
1274 2009-12-29  Ian Lance Taylor  <iant@google.com>
1275
1276         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
1277         using a version of gcc before 4.1.
1278         * configure: Rebuild.
1279
1280 2009-12-28  Chris Demetriou  <cgd@google.com>
1281
1282         * attributes.cc (Output_attributes_section_data::do_write): Use
1283         std::vector::front rather than std::vector::data.
1284
1285 2009-12-28  Ian Lance Taylor  <iant@google.com>
1286
1287         * symtab.h (class Symbol_table): Add enum Defined.
1288         * resolve.cc (Symbol_table::should_override): Add defined
1289         parameter.  Change all callers.  Test whether object is NULL
1290         before calling a method on it.
1291         (Symbol_table::report_resolve_problem): Add defined parameter.
1292         Change all callers.
1293         (Symbol_table::should_override_with_special): Likewise.
1294         * symtab.cc (Symbol_table::define_in_output_data): Add defined
1295         parameter.  Change all callers.
1296         (Symbol_table::do_define_in_output_data): Likewise.
1297         (Symbol_table::define_in_output_segment): Likewise.
1298         (Symbol_table::do_define_in_output_segment): Likewise.
1299         (Symbol_table::define_as_constant): Likewise.
1300         (Symbol_table::do_define_as_constant): Likewise.
1301         * script.h (class Symbol_assignment): Add is_defsym parameter to
1302         constructor; change all callers.
1303         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
1304         parameter.  Change all callers.  Add is_defsym_ field.
1305         (class Parser_closure): Add parsing_defsym parameter to
1306         constructor; change all callers.  Add parsing_defsym accessor
1307         function.  Add parsing_defsym_ field.
1308
1309 2009-12-28  Ian Lance Taylor  <iant@google.com>
1310
1311         * gold.cc (queue_middle_tasks): Fix formatting.
1312         * object.cc (Relobj::is_section_name_included): Likewise.
1313
1314 2009-12-23  Ian Lance Taylor  <iant@google.com>
1315
1316         * i386.cc (Target_i386::do_calls_non_split): Recognize
1317         -fsplit-stack prologue for a function with a static chain.
1318         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
1319         -fsplit-stack prologue when using %r11.
1320
1321 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
1322
1323         * options.cc (General_options::parse_version): Make -v continue and do
1324         the link like GNU ld does.
1325
1326 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
1327
1328         * Makefile.am (CCFILES): Add timer.cc.
1329         (HFILES): Add timer.h.
1330         * configure.ac: Check for sysconf and times.
1331         * main.cc: include timer.h.
1332         (main): Use Timer instead of get_run_time.
1333         * timer.cc: New.
1334         * timer.h: New.
1335         * workqueue.cc: include timer.h.
1336         (Workqueue::find_and_run_task):
1337         Report user, sys and wall time.
1338         * Makefile.in: Regenerate.
1339         * config.in: Regenerate.
1340         * configure: Regenerate.
1341
1342 2009-12-16  Doug Kwan  <dougkwan@google.com>
1343
1344         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
1345         sections.
1346         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
1347         relaxed input sections.
1348         * output.cc (Output_section::find_relaxed_input_section): Change
1349         return type to Output_relaxed_input_section pointer.  Adjust code
1350         for new type of relaxed_input_section_map_.
1351         * output.h (Output_section::find_relaxed_input_section): Change
1352         return type to Output_relaxed_input_section pointer.
1353         (Output_section::Output_relaxed_input_section_by_input_section_map):
1354         New type.
1355         (Output_section::relaxed_input_section_map_): Change type to
1356         Output_section::Output_relaxed_input_section_by_input_section_map.
1357         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
1358         input section.
1359
1360 2009-12-15  Ian Lance Taylor  <iant@google.com>
1361
1362         * layout.cc (Layout::create_shstrtab): Only write out after input
1363         sections if we are compressing debug sections.
1364
1365 2009-12-15  Ian Lance Taylor  <iant@google.com>
1366
1367         * archive.cc (Archive::add_symbols): Only look up a symbol without
1368         a version if there is, in fact, a version.
1369
1370 2009-12-14  Ian Lance Taylor  <iant@google.com>
1371
1372         Revert -Wshadow changes, all changes from:
1373         2009-12-11  Doug Kwan  <dougkwan@google.com>
1374         2009-12-11  Nick Clifton  <nickc@redhat.com>
1375         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
1376
1377 2009-12-11  Doug Kwan  <dougkwan@google.com>
1378
1379         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
1380         due to -Wshadow.
1381         * attributes.cc (Object_attribute::size): Ditto.
1382         (Attributes_section_data::size): Ditto.
1383         (Attributes_section_data::Attributes_section_data): Ditto.
1384         (Output_attributes_section_data::do_write): Ditto.
1385         * attributes.h (Object_attribute::set_type): Ditto.
1386         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
1387
1388 2009-12-11  Nick Clifton  <nickc@redhat.com>
1389
1390         * archive.cc: Fix shadowed variable warnings.
1391         * arm.cc: Likewise.
1392         * compressed_output.cc: Likewise.
1393         * compressed_output.h: Likewise.
1394         * configure: Likewise.
1395         * dwarf_reader.cc: Likewise.
1396         * dynobj.cc: Likewise.
1397         * dynobj.h: Likewise.
1398         * ehframe.cc: Likewise.
1399         * ehframe.h: Likewise.
1400         * errors.cc: Likewise.
1401         * expression.cc: Likewise.
1402         * fileread.cc: Likewise.
1403         * fileread.h: Likewise.
1404         * freebsd.h: Likewise.
1405         * i386.cc: Likewise.
1406         * icf.cc: Likewise.
1407         * incremental.h: Likewise.
1408         * layout.cc: Likewise.
1409         * layout.h: Likewise.
1410         * mapfile.cc: Likewise.
1411         * merge.cc: Likewise.
1412         * merge.h: Likewise.
1413         * object.cc: Likewise.
1414         * object.h: Likewise.
1415         * options.h: Likewise.
1416         * output.cc: Likewise.
1417         * output.h: Likewise.
1418         * parameters.cc: Likewise.
1419         * plugin.cc: Likewise.
1420         * powerpc.cc: Likewise.
1421         * reduced_debug_output.cc: Likewise.
1422         * reduced_debug_output.h: Likewise.
1423         * reloc.cc: Likewise.
1424         * reloc.h: Likewise.
1425         * resolve.cc: Likewise.
1426         * script-sections.cc: Likewise.
1427         * script.cc: Likewise.
1428         * script.h: Likewise.
1429         * sparc.cc: Likewise.
1430         * symtab.cc: Likewise.
1431         * symtab.h: Likewise.
1432         * target-select.cc: Likewise.
1433         * target-select.h: Likewise.
1434         * token.h: Likewise.
1435         * workqueue.cc: Likewise.
1436         * workqueue.h: Likewise.
1437         * x86_64.cc: Likewise.
1438
1439 2009-12-10  Doug Kwan  <dougkwan@google.com>
1440
1441         * arm.cc (attributes.h): New include.
1442         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
1443         (Arm_relobj::~Arm_relobj): Delete object pointed by
1444         attributes_section_data_.
1445         (Arm_relobj::attributes_section_data): New method definition.
1446         (Arm_relobj::attributes_section_data_): New data member declaration.
1447         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
1448         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
1449         attributes_section_data_.
1450         (Arm_dynobj::attributes_section_data): New method definition.
1451         (Arm_dynobj::attributes_section_data_): New data member declaration.
1452         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
1453         initialization value of may_use_blx_ to false.
1454         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
1455         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
1456         object attributes to compute results instead of hard-coding.
1457         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
1458         Target_arm::get_secondary_compatible_arch,
1459         Target_arm::set_secondary_compatible_arch
1460         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1461         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
1462         New method declarations.
1463         (Target_arm::get_aeabi_object_attribute): New method definition.
1464         (Target_arm::attributes_section_data_): New data member declaration.
1465         (read_arm_attributes_section): New template definition.
1466         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
1467         (Arm_dynobj::do_read_symbols): Ditto.
1468         (Target_arm::do_finalize_sections): Merge attributes sections from
1469         input.  Check for BLX use after attributes section merging.
1470         Fix __exidx_start and __exidx_end visibility.  Create an
1471         .ARM.attributes section if necessary.
1472         (Target_arm::get_secondary_compatible_arch,
1473         Target_arm::set_secondary_compatible_arch,
1474         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1475         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
1476         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
1477         New method definitions.
1478
1479 2009-12-09  Ian Lance Taylor  <iant@google.com>
1480
1481         * plugin.cc (Plugin::load): Don't cast from void* to a function
1482         pointer.
1483
1484 2009-12-09  Ian Lance Taylor  <iant@google.com>
1485
1486         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
1487         information fields.
1488
1489 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
1490
1491         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
1492         Replace two_file_shared_1.so with two_file_shared_2.so.
1493         * testsuite/Makefile.in: Regenerated.
1494
1495 2009-12-08  Doug Kwan  <dougkwan@google.com>
1496
1497         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
1498         (HFILES): Add attributes.h and int_encoding.h.
1499         * Makefile.in: Regenerate.
1500         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
1501         function definitions to int_encoding.cc
1502         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
1503         prototypes to int_encoding.h
1504         * reduced_debug_output.cc (int_encoding.h): New include.
1505         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
1506         function definitions to int_encoding.cc
1507         (insert_into_vector, read_from_pointer): Move template definitions to
1508         int_encoding.h
1509         * attributes.cc: New file.
1510         * attributes.h: New file.
1511         * int_encoding.cc: New file.
1512         * int_encoding.h: New file.
1513
1514 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
1515
1516         PR gold/11055
1517         * incremental-dump.cc (dump_incremental_inputs): New.
1518         (main): Use dump_incremental_inputs.
1519
1520 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
1521
1522         PR gold/10893
1523         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
1524         checking elfcpp::STT_FUNC.
1525         (Target_i386::Relocate::relocate): Likewise.
1526         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1527
1528         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
1529         symbols from shared libraries into normal FUNC symbols.
1530
1531         * symtab.h (Symbol): Add is_func and use it.
1532
1533 2009-12-05  Doug Kwan  <dougkwan@google.com>
1534
1535         * arm.cc (Target_arm::arm_info): Initialize new fields
1536         attributes_section and attributes_vendor.
1537         * i386.cc (Target_i386::i386_info): Same.
1538         * object.cc (Sized_relobj::do_layout): Skip attribute section.
1539         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
1540         fields attributes_section and attributes_vendor.
1541         * sparc.cc (Target_sparc::sparc_info): Same.
1542         * target.h (Target::attributes_section, Target::attributes_vendor,
1543         Target::is_attributes_section, Target::attribute_arg_type,
1544         Target::attributes_order): New method definitions.
1545         (Target::Target_info::attributes_section,
1546         Target::Target_info::attributes_vendor): New fields.
1547         (Target::do_attribute_arg_type, Target::do_attributes_order): New
1548         virtual method definitions.
1549         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
1550         attributes_section and attributes_vendor.
1551         * testsuite/testfile.cc (Target_test::test_target_info): Same.
1552
1553 2009-12-05  Doug Kwan  <dougkwan@google.com>
1554
1555         * arm.cc: Update comments about interworking and stub generation.
1556         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
1557         considered as non-PIC.
1558         (Arm_relocate_functions::base_abs): Fix formatting.
1559         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
1560         of function to use GOT entry address instead of offset.
1561         (Target_arm::Scan::global): Issue an error if a symbol would need a
1562         PLT does not get one because it is untyped.  Remove code to create
1563         dynamic symbols for relative branches.
1564         (Target_arm::Relocate::relocate: Use 0 instead of false since function
1565         takes unsigned integer instead of boolean.
1566
1567 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
1568
1569         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
1570         (two_file_test_LDADD): Likewise.
1571         (common_test_1_LDADD): Likewise.
1572         (exception_test_LDADD) Likewise.
1573         (weak_test_LDADD): Likewise.
1574         (many_sections_test_LDADD): Likewise.
1575         (initpri1_LDADD): Likewise.
1576         (script_test_1_LDADD): Likewise.
1577         (script_test_2_LDADD): Likewise.
1578         (justsyms_LDADD): Likewise.
1579         (binary_test_LDADD): Likewise.
1580         (large_LDADD): Likewise.
1581         * testsuite/Makefile.in: Regenerated.
1582
1583 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
1584
1585         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
1586         (Symbol_table::override_with_special): Likewise.
1587         (Symbol_table::add_from_object): Likewise.
1588
1589 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1590
1591         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1592         Don't set the data_offset twice.
1593
1594 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
1595
1596         * testsuite/Makefile.in: Regenerate.
1597
1598 2009-12-03  Doug Kwan  <dougkwan@google.com>
1599
1600         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
1601         (Target_arm::do_finalize_sections): Add parameter for symbol table
1602         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
1603         * i386.cc (Target_i386::do_finalize_sections): Add an additional
1604         parameter for symbol table pointer.
1605         * layout.cc (Layout::finalize): Call Target::finalize_sections with
1606         an additional parameter for a pointer to symbol table.
1607         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
1608         parameter for a symbol table pointer.
1609         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
1610         * target.h (Target::finalize_sections, Target::do_finalize_sections):
1611         Ditto.
1612         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
1613         parameter for a symbol table pointer.
1614
1615 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
1616
1617         * incremental.cc (Incremental_inputs_header)
1618         (Incremental_inputs_header_write, Incremental_inputs_entry)
1619         (Incremental_inputs_entry_write): Move ...
1620         * incremental.h (Incremental_inputs_header)
1621         (Incremental_inputs_header_write, Incremental_inputs_entry)
1622         (Incremental_inputs_entry_write): here.
1623
1624 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1625
1626         * incremental.cc (make_sized_incremental_binary): Set the target.
1627         Error if it is incompatible.
1628         * output.h (Output_file): Add filename method.
1629
1630 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1631
1632         * incremental.cc (Incremental_inputs_entry): Remove unused argument
1633         from the get_* methods.
1634
1635 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1636
1637         * incremental-dump.cc (main): Check that the offeset of a script is 0.
1638         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1639         Write 0 for the data_offset of scripts.
1640
1641 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
1642
1643         * testsuite/Makefile.am: Add the incremental_test.sh test.
1644         * testsuite/incremental_test.sh: New.
1645         * testsuite/incremental_test_1.c: New.
1646         * testsuite/incremental_test_2.c: New.
1647
1648 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
1649
1650        * incremental-dump.cc (main): Fix typos.
1651
1652 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
1653
1654         PR gold/11025
1655         * incremental-dump.cc (main): Use llu to print 64 bit values.
1656
1657 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
1658             H.J. Lu  <hongjiu.lu@intel.com>
1659
1660         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
1661         $(LIBDL).
1662         (incremental_dump_LDADD): Likewise.
1663         * Makefile.in: Regenerated.
1664
1665 2009-11-25  Doug Kwan  <dougkwan@google.com>
1666
1667         Revert:
1668
1669         2009-11-25  Doug Kwan  <dougkwan@google.com>
1670
1671                 * arm.cc (Target_arm::Target_arm): Move method definition
1672                 outside of class definition.  Add code to handle
1673                 --target1-rel, --target1-abs and --target2= options.
1674                 (Target_arm::get_reloc_reloc_type): Change method to be
1675                 non-static and const.
1676                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
1677                 New data member declaration.
1678                 (Target_arm::Scan::local, Target_arm::Scan::global,
1679                 Target_arm::Relocate::relocate,
1680                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1681                 Adjust call to Target_arm::get_real_reloc_type.
1682                 (Target_arm::get_real_reloc_type): Use command line options
1683                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1684                 * options.h (--target1-rel, --target1-abs, --target2): New
1685                 ARM-only options.
1686
1687 2009-11-25  Doug Kwan  <dougkwan@google.com>
1688
1689         * arm.cc (Target_arm::Target_arm): Move method definition outside of
1690         class definition.  Add code to handle --target1-rel, --target1-abs
1691         and --target2= options.
1692         (Target_arm::get_reloc_reloc_type): Change method to be non-static
1693         and const.
1694         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
1695         member declaration.
1696         (Target_arm::Scan::local, Target_arm::Scan::global,
1697         Target_arm::Relocate::relocate,
1698         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
1699         call to Target_arm::get_real_reloc_type.
1700         (Target_arm::get_real_reloc_type): Use command line options to
1701         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1702         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
1703         options.
1704
1705 2009-11-25  Doug Kwan  <dougkwan@google.com>
1706
1707         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
1708         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
1709         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
1710         formatting.
1711         (Arm_relocate_functions::thm_call): Replace body with a call to
1712         Arm_relocate_functions::thumb_branch_common.
1713         (Arm_relocate_functions::thm_jump24,
1714         Arm_relocate_functions::thm_xpc22): New method definitions.
1715         (Arm_relocate_functions::thumb_branch_common): New method definition.
1716         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
1717         operator.
1718         (Target_arm::Relocate::relocate): Adjust call to thm_call.
1719         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
1720
1721 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1722
1723         * Makefile.am: Build incremental-dump
1724         * Makefile.in: Regenerate.
1725         * incremental-dump.cc: New.
1726         * incremental.cc (Incremental_inputs_header_data,
1727         Incremental_inputs_entry_data): Move to incremental.h
1728         * incremental.h: (Incremental_inputs_header_data,
1729         Incremental_inputs_entry_data): Move from incremental.cc
1730
1731 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1732
1733         * incremental.cc (Incremental_inputs_header,
1734         Incremental_inputs_header_write, Incremental_inputs_entry,
1735         Incremental_inputs_entry_write): Add a typedef with the data type.
1736
1737 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
1738
1739         * incremental.cc (Incremental_inputs_header,
1740         Incremental_inputs_header_write, Incremental_inputs_entry,
1741         Incremental_inputs_entry_write): Update comment about which
1742         type has the filed descriptions.
1743
1744 2009-11-15  Doug Kwan  <dougkwan@google.com>
1745
1746         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
1747         (Arm_relocate_functions::arm_branch_common): Change method defintion
1748         in class definition to a method declaration and update list of formal
1749         parameters.
1750         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
1751         Arm_relocation_functions::jump24): Adjust call to
1752         Arm_relocate_functions::arm_branch_common.  Update list of formal
1753         parameters.
1754         (Arm_relocate_functions::xpc25): New method definition.
1755         (Arm_relocate_functions::arm_branch_common): Move method defintion
1756         out from class definition.  Use stubs for mode-switching and extending
1757         branch ranges.
1758         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
1759         specially.  Change code to enable use of stubs in ARM branches.
1760
1761 2009-11-10  Doug Kwan  <dougkwan@google.com>
1762
1763         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
1764         in method declaration.
1765         (Target_arm::relocate_stub): New method declaration.
1766         (Target_arm::default_target): Change to return a pointer instead of
1767         a const reference.
1768         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
1769         Target_arm::default_target.
1770         (Arm_Relobj::do_relocate_sections): Remove options paramater in
1771         method definition.
1772         (Target_arm::relocate_section): Adjust view.
1773         (Target_arm::relocate_stub): New method definition.
1774
1775 2009-11-10  Doug Kwan  <dougkwan@google.com>
1776
1777         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
1778         a format warning.
1779         * incremental.cc (open_incremental_binary): Initialized local
1780         variables to avoid warnings.
1781         * object.cc (make_elf_object): Ditto.
1782         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
1783         a format warning.
1784
1785 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
1786
1787         PR gold/10930
1788         * testsuite/plugin_test.c: Include "config.h".
1789
1790 2009-11-09  Doug Kwan  <dougkwan@google.com>
1791
1792         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
1793         (arm_symbol_value): Remove.
1794         (Arm_relocate_functions::arm_branch_common,
1795         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
1796         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
1797         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
1798         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
1799         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
1800         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
1801         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
1802         Arm_relocate_functions::thm_mobw_abs_nc,
1803         Arm_relocate_functions::thm_mov_abs,
1804         Arm_relocate_functions::movw_prel_nc,
1805         Arm_relocate_functions::thm_movt_abs,
1806         Arm_relocate_functions::movt_prel,
1807         Arm_relocate_functions::thm_movw_prel_nc,
1808         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
1809         (Target_arm::Relocate::relocate): Only decompose address into two
1810         parts if relocation type uses the thumb-bit and pass the actual
1811         bit instead of a flag indicating that the thumb-bit is used.  Adjust
1812         calls to methods in Arm_relocate_functions for this change.
1813
1814 2009-11-08  Ian Lance Taylor  <iant@google.com>
1815
1816         PR 10925
1817         * reloc.cc: Instantiate
1818         Sized_relobj::initialize_input_to_output_maps and
1819         Sized_relobj:free_input_to_output_maps.
1820
1821 2009-11-06  Ian Lance Taylor  <iant@google.com>
1822
1823         PR 10876
1824         * defstd.cc (in_segment): Set only_if_ref true for "end".
1825
1826 2009-11-06  Doug Kwan  <dougkwan@google.com>
1827
1828         * arm.cc (class Reloc_stub): Correct a comment.
1829         (Target_arm::Target_arm): Initialize arm_input_section_map_.
1830         (Target_arm::scan_section_for_stubs): New method declaration.
1831         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
1832         Change methods from private to protected.
1833         (Target_arm::do_may_relax): New method definition.
1834         (Target_arm::do_relax, Target_arm::group_sections,
1835         Target_arm::scan_reloc_for_stub,
1836         Target_arm::scan_reloc_section_for_stubs): New method declarations.
1837         (Target_arm::arm_input_section_map_): New data member declaration.
1838         (Target_arm::scan_reloc_for_stub,
1839         Target_arm::scan_reloc_section_for_stubs,
1840         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
1841         Target_arm::do_relax): New method definitions.
1842
1843 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
1844
1845         * configure.ac: Check for (struct stat)::st_mtim
1846         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
1847         * config.in: Regenerate.
1848         * configure: Regenerate.
1849
1850 2009-11-05  Ian Lance Taylor  <iant@google.com>
1851
1852         PR 10910
1853         * output.cc (Output_segment::add_output_section): Add missing
1854         return statement.
1855
1856 2009-11-04  Ian Lance Taylor  <iant@google.com>
1857
1858         PR 10880
1859         * object.h (class Object): Add is_needed and set_is_needed
1860         methods.  Add is_needed_ field.  Make bool fields into bitfields.
1861         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
1862         defined in a dynamic object and referenced by a regular object,
1863         set is_needed for the dynamic object.
1864         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
1865         if the file is marked with as_needed and it is not needed.
1866
1867 2009-11-04  Ian Lance Taylor  <iant@google.com>
1868
1869         PR 10887
1870         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
1871         tags if data is discarded by linker script.
1872         * i386.cc (Target_i386::do_finalize_sections): Likewise.
1873         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1874         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1875         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1876
1877 2009-11-04  Ian Lance Taylor  <iant@google.com>
1878
1879         * layout.cc (Layout::get_output_section): Add is_interp and
1880         is_dynamic_linker_section parameters.  Change all callers.
1881         (Layout::choose_output_section): Likewise.
1882         (Layout::make_output_section): Likewise.
1883         (Layout::add_output_section_data): Add is_dynamic_linker_section
1884         parameter.  Change all callers.
1885         * layout.h (class Layout): Update declarations.
1886         * output.h (class Output_section): Add is_interp, set_is_interp,
1887         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
1888         Add is_interp_, is_dynamic_linker_section_ fields.  Change
1889         generate_code_fills_at_write_ to a bitfield.
1890         * output.cc (Output_section::Output_sections): Initialize new
1891         fields.
1892         (Output_segment::add_output_section): Add do_sort parameter.
1893         Change all callers.
1894
1895 2009-11-03  Ian Lance Taylor  <iant@google.com>
1896
1897         PR 10860
1898         * options.h (class General_options): Add --warn-common.
1899         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
1900         merging two common symbols.
1901         (Symbol_table::should_override): Handle --warn-common when merging
1902         a common symbol with a defined symbol.  Use report_resolve_problem
1903         for multiple definitions.
1904         (Symbol_table::report_resolve_problem): New function.
1905         * symtab.h (class Symbol_table): Declare report_resolve_problem.
1906
1907 2009-11-03  Doug Kwan  <dougkwan@google.com>
1908
1909         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
1910         stub_factory_.
1911         (Target_arm::stub_factory): New method definition.
1912         (Target_arm::new_arm_input_section,
1913         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
1914         Target_arm::reloc_uses_thumb_bit): New method declarations.
1915         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
1916         New type definitions.
1917         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
1918         member declarations.
1919         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
1920         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
1921         New method definitions.
1922
1923 2009-11-03  Ian Lance Taylor  <iant@google.com>
1924
1925         * options.h (class General_options): Add --warn_constructors.
1926
1927 2009-11-03  Ian Lance Taylor  <iant@google.com>
1928
1929         PR 10893
1930         * defstd.cc (in_section): Add entries for __rel_iplt_start,
1931         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
1932
1933 2009-11-03  Ian Lance Taylor  <iant@google.com>
1934
1935         PR 10895
1936         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
1937         --msgid-bugs-address.
1938         (install-pdf): New target.
1939         (install-data_yes): Look up one directory to find mkinstalldirs.
1940
1941 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
1942
1943         * po/Make-in (.po.gmo): Don't generate .gmo files in source
1944         tree.
1945
1946 2009-10-30  Doug Kwan  <dougkwan@google.com>
1947
1948         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
1949
1950 2009-10-30  Doug Kwan  <dougkwan@google.com>
1951
1952         * arm.cc (Stub_addend_reader): New struct template definition
1953         and partial specializations.
1954         (Stub_addend_reader::operator()): New method definition for a
1955         partially specialized template.
1956
1957 2009-10-30  Doug Kwan  <dougkwan@google.com>
1958
1959         * arm.cc (Arm_relobj::processor_specific_flags): New method
1960         definition.
1961         (Arm_relobj::do_read_symbols): New method declaration.
1962         (Arm_relobj::processor_specific_flags_): New data member declaration.
1963         (Arm_dynobj): New class definition.
1964         (Target_arm::do_finalize_sections): Add input_objects parameter.
1965         (Target_arm::do_adjust_elf_header): New method declaration.
1966         (Target_arm::are_eabi_versions_compatible,
1967         (Target_arm::merge_processor_specific_flags): New method declaration.
1968         (Target_arm::do_make_elf_object): New overloaded method definitions
1969         and declaration.
1970         (Arm_relobj::do_read_symbols): New method definition.
1971         (Arm_dynobj::do_read_symbols): Ditto.
1972         (Target_arm::do_finalize_sections): Add input_objects parameters.
1973         Merge processor-specific flags from all input objects.
1974         (Target_arm::are_eabi_versions_compatible,
1975         Target_arm::merge_processor_specific_flags,
1976         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
1977         New method definitions.
1978         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
1979         Input_objects pointer type parameter.
1980         * layout.cc (Layout::finalize): Pass input objects to target's.
1981         finalize_sections function.
1982         * output.cc (Output_file_header::do_sized_write): Set ELF file
1983         header's processor-specific flags.
1984         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
1985         Input_objects pointer type parameter.
1986         * sparc.cc (Target_sparc::do_finalize_sections): Same.
1987         * target.h (Input_objects): New forward class declaration.
1988         (Target::processor_specific_flags,
1989         Target::are_processor_specific_flags_sect): New method definitions.
1990         (Target::finalize_sections): Add input_objects parameter.
1991         (Target::Target): Initialize processor_specific_flags_ and
1992         are_processor_specific_flags_set_.
1993         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
1994         parameter.
1995         (Target::set_processor_specific_flags): New method definition.
1996         (Target::processor_specific_flags_,
1997         Target::are_processor_specific_flags_set_): New data member
1998         declarations.
1999         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2000         Input_objects pointer type parameter.
2001
2002 2009-10-30  Doug Kwan  <dougkwan@google.com>
2003
2004         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2005
2006 2009-10-28  Ian Lance Taylor  <iant@google.com>
2007
2008         * object.h (class Relobj): Drop options parameter from
2009         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2010         do_scan_relocs, do_relocate.  Change all callers.
2011         (class Sized_relobj): Drop options parameters from
2012         do_gc_process_relocs, do_scan_relocs, do_relocate,
2013         do_relocate_sections, relocate_sections, emit_relocs_scan,
2014         emit_relocs_scan_reltype.  Change all callers.
2015         (struct Relocate_info): Remove options field and all references to
2016         it.
2017         * reloc.h (class Read_relocs): Remove options constructor
2018         parameter and options_ field.  Change all callers.
2019         (class Gc_process_relocs, class Scan_relocs): Likewise.
2020         (class Relocate_task): Likewise.
2021         * target-reloc.h (scan_relocs): Remove options parameter.  Change
2022         all callers.
2023         (scan_relocatable_relocs): Likewise.
2024         * target.h (class Sized_target): Remove options parameter from
2025         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
2026         all callers.
2027         * gc.h (gc_process_relocs): Remove options parameter.  Change all
2028         callers.
2029         * arm.cc: Update functions to remove options parameters.
2030         * i386.cc: Likewise.
2031         * powerpc.cc: Likewise.
2032         * sparc.cc: Likewise.
2033         * x86_64.cc: Likewise.
2034         * testsuite/testfile.cc: Likewise.
2035
2036 2009-10-28  Doug Kwan  <dougkwan@google.com>
2037
2038         * arm.cc (Arm_relobj): New class definition.
2039         (Arm_relobj::scan_sections_for_stubs,
2040         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2041         New method definitions.
2042
2043 2009-10-28  Cary Coutant  <ccoutant@google.com>
2044
2045         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2046         (Plugin::cleanup_done_): New member.
2047         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2048         (Plugin_manager::cleanup_done_): Remove.
2049         (Plugin_manager::add_input_file): Edit error message.
2050         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2051         (Plugin_manager::cleanup): Remove use of cleanup_done_.
2052
2053 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
2054
2055         * fileread.cc: (File_read::View::~View): Use the new
2056         data_ownership_ filed.
2057         (File_read::~File_read): Dispose the new whole_file_view_.
2058         (File_read::open): Mmap the whole file if needed.
2059         (File_read::open): Use whole_file_view_ instead of contents_.
2060         (File_read::find_view): Use whole_file_view_ if applicable.
2061         (File_read::do_read): Use whole_file_view_ instead of contents_.
2062         (File_read::make_view): Use whole_file_view_ instead of contents_,
2063         update File_read::View::View call.
2064         (File_read::find_or_make_view): Update File_read::View::View
2065         call.
2066         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2067         remove contents_
2068         (File_read::View::Data_ownership): New enum.
2069         (File_read::View::View): Replace bool mapped_ with Data_ownership
2070         argument.
2071         (File_read::View::mapped_): Remove (replaced by data_ownership_).
2072         (File_read::View::data_ownership_): New field.
2073         (File_read::contents_): Remove (replaced by whole_file_view_).
2074         (File_read::whole_file_view_): New field.
2075         * options.h (class General_options): Add --keep-files-mapped.
2076
2077 2009-10-27  Cary Coutant  <ccoutant@google.com>
2078
2079         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2080         * testsuite/Makefile.am (plugin_test_5): New test case.
2081         * testsuite/Makefile.in: Regenerate.
2082
2083 2009-10-25  Doug Kwan  <dougkwan@google.com>
2084
2085         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2086         from private to protected to allow access by child class.
2087         (Sized_relobj::do_relocate_sections): New method declaration.
2088         (Sized_relobj::relocate_sections): Virtualize.
2089         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
2090         Sized_relobj::relocate_sections.  Instantiate template explicitly
2091         for different target sizes and endianity.
2092
2093 2009-10-24  Doug Kwan  <dougkwan@google.com>
2094
2095         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2096         (Arm_input_section::as_arm_input_section): New method.
2097         (Arm_output_section): New class definition.
2098         (Arm_output_section::create_stub_group,
2099         Arm_output_section::group_sections): New method definitions.
2100
2101 2009-10-22  Doug Kwan  <dougkwan@google.com>
2102
2103         * arm.cc (Arm_input_section): New class definition.
2104         (Arm_input_section::init, Arm_input_section:do_write,
2105         Arm_input_section::set_final_data_size,
2106         Arm_input_section::do_reset_address_and_file_offset): New method
2107         definitions.
2108
2109 2009-10-21  Doug Kwan  <dougkwan@google.com>
2110
2111         * arm.cc (Stub_table, Arm_input_section): New forward class
2112         declarations.
2113         (Stub_table): New class defintion.
2114         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2115         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2116         New method definition.
2117
2118 2009-10-21  Doug Kwan  <dougkwan@google.com>
2119
2120         * arm.cc: Update copyright comments.
2121         (Target_arm): New forward class template declaration.
2122         (Arm_address): New type.
2123         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2124         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2125         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2126         constants.
2127         (Insn_template): Same.
2128         (DEF_STUBS): New macro.
2129         (Stub_type): New enum type.
2130         (Stub_template): New class definition.
2131         (Stub): Same.
2132         (Reloc_stub): Same.
2133         (Stub_factory): Same.
2134         (Target_arm::Target_arm): Initialize may_use_blx_ and
2135         should_force_pic_veneer_.
2136         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2137         Target_arm::should_force_pic_veneer,
2138         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2139         Target_arm::using_thumb_only, Target_arm:;default_target): New
2140         method defintions.
2141         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2142         New data member declarations.
2143         (Insn_template::size, Insn_template::alignment): New method defintions.
2144         (Stub_template::Stub_template): New method definition.
2145         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2146         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2147         (Stub_factory::Stub_factory): New method definition.
2148         * gold.h (string_hash): New template.
2149         * output.h (Input_section_specifier::hash_value): Use
2150         gold::string_hash.
2151         (Input_section_specifier::string_hash): Remove.
2152         * stringpool.cc (Stringpool_template::string_hash): Use
2153         gold::string_hash.
2154
2155 2009-10-20  Doug Kwan  <dougkwan@google.com>
2156
2157         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2158         symbols of relaxed input sections.
2159         * output.h (Output_section::find_relaxed_input_section): Make
2160         method public.
2161
2162 2009-10-16  Doug Kwan  <dougkwan@google.com>
2163
2164         * dynobj.cc (Versions::Versions): Initialize version_script_.
2165         Only insert base version symbol definition for a shared object
2166         if version script defines any version versions.
2167         (Versions::define_base_version): New method definition.
2168         (Versions::add_def): Check that base version is not needed.
2169         (Versions::add_need): Define base version lazily.
2170         * dynobj.h (Versions::define_base_version): New method declaration.
2171         (Versions::needs_base_version_): New data member declaration.
2172         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
2173         (check_DATA): Add no_version_test.stdout.
2174         (libno_version_test.so, no_version_test.o no_version_test.stdout):
2175         New make rules.
2176         * testsuite/Makefile.in: Regenerate.
2177         * testsuite/no_version_test.c: New file.
2178         * testsuite/no_version_test.sh: Ditto.
2179
2180 2009-10-16  Doug Kwan  <dougkwan@google.com>
2181
2182         * expression.cc (class Segment_start_expression): New class definition.
2183         (Segment_start_expression::value): New method definition.
2184         (script_exp_function_segment_start): Return a new
2185         Segment_start_expression.
2186         * gold/script-c.h (script_saw_segment_start_expression): New function
2187         prototype.
2188         * script-sections.cc (Script_sections::Script_sections): Initialize
2189         SAW_SEGMENT_START_EXPRESSION_ to false.
2190         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
2191         and -Tbbs options to specify section addresses if given in
2192         command line and no SEGMENT_START expression is seen in a script.
2193         * script-sections.h (Script_sections::saw_segment_start_expression,
2194         Script_sections::set_saw_segment_start_expression): New method
2195         definition.
2196         (Script_sections::saw_segment_start_expression_): New data member
2197         declaration.
2198         * script.cc (script_saw_segment_start_expression): New function.
2199         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
2200         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
2201         script_test_7.sh and script_test_8.sh.
2202         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
2203         script_test_8.stdout.
2204         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
2205         (script_test_6, script_test_6.stdout, script_test_7,
2206         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
2207         * Makefile.in: Regenerate.
2208         * testsuite/script_test_6.sh: New file.
2209         * testsuite/script_test_6.t: Same.
2210         * testsuite/script_test_7.sh: Same.
2211         * testsuite/script_test_7.t: Same.
2212         * testsuite/script_test_8.sh: Same.
2213
2214 2009-10-16  Doug Kwan  <dougkwan@google.com>
2215
2216         * output.cc (Output_segment::set_section_list_address): Cast
2217         expressions to unsigned long long type to avoid format warnings.
2218
2219 2009-10-15  Ian Lance Taylor  <iant@google.com>
2220
2221         * script.cc (Script_options::add_symbol_assignment): Always add a
2222         dot assignment to script_sections_.
2223         * script-sections.cc (Script_sections::add_dot_assignment):
2224         Initialize if necessary.
2225
2226         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
2227         program headers with no load segment if there is a linker script.
2228
2229         * layout.cc (Layout::set_segment_offsets): Align the file offset
2230         to the segment aligment for -N or -n with no load segment.
2231         * output.cc (Output_segment::add_output_section): Don't crash if
2232         the first section is a TLS section.
2233         (Output_segment::set_section_list_addresses): Print an error
2234         message if the address moves backward in a linker script.
2235         * script-sections.cc
2236         (Output_section_element_input::set_section_addresses): Don't
2237         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
2238         (Orphan_output_section::set_section_addresses): Likewise.
2239
2240 2009-10-15  Doug Kwan  <dougkwan@google.com>
2241
2242         * layout.cc (Layout::finish_dynamic_section): Generate tags
2243         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
2244         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
2245         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
2246
2247 2009-10-14  Ian Lance Taylor  <iant@google.com>
2248
2249         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
2250         fields.
2251         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
2252         data_shdr fields of relinfo.
2253         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
2254         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
2255         R_386_TLS_LDO_32, adjust based on section flags.
2256         (Target_i386::Relocate::fix_up_ldo): Remove.
2257
2258 2009-10-13  Ian Lance Taylor  <iant@google.com>
2259
2260         Add support for -pie.
2261         * options.h (class General_options): Add -pie and
2262         --pic-executable.
2263         (General_options::output_is_position_independent): Test -pie.
2264         (General_options::output_is_executable): Return true if not shared
2265         and not relocatable.
2266         (General_options::output_is_pie): Remove.
2267         * options.cc (General_options::finalize): Reject incompatible uses
2268         of -pie.
2269         * gold.cc (queue_middle_tasks): A -pie link is not static.
2270         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
2271         * symtab.cc (Symbol::final_value_is_known): Return false if
2272         output_is_position_independent.
2273         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
2274         output_is_position_independent.
2275         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
2276         output_is_position_independent.
2277         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
2278         output_is_position_independent.
2279         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
2280         two_file_pie_test.
2281         (basic_pie_test.o, basic_pie_test): New targets.
2282         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
2283         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
2284         (two_file_pie_test): New target.
2285         * testsuite/Makefile.in: Rebuild.
2286         * README: Remove note saying that -pie is not supported.
2287
2288 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
2289
2290         * options.h (class General_options): Add -init and -fini.
2291         * layout.cc (Layout::finish_dynamic_section): Emit
2292         given init and fini functions.
2293
2294 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
2295
2296         * gc.h (gc_process_relocs): Check if icf is enabled using new
2297         function.
2298         * gold.cc (queue_initial_tasks): Likewise.
2299         (queue_middle_tasks): Likewise.
2300         * object.cc (do_layout): Likewise.
2301         * symtab.cc (is_section_folded): Likewise.
2302         * main.cc (main): Likewise.
2303         * reloc.cc (Read_relocs::run): Likewise.
2304         (Sized_relobj::do_scan_relocs): Likewise.
2305         * icf.cc (is_function_ctor_or_dtor): New function.
2306         (Icf::find_identical_sections): Check if function is ctor or dtor when
2307         safe icf is chosen.
2308         * options.h (General_options::icf): Change option to be an enum.
2309         (Icf_status): New enum.
2310         (icf_enabled): New method.
2311         (icf_safe_folding): New method.
2312         (set_icf_status): New method.
2313         (icf_status_): New variable.
2314         * (options.cc) (General_options::finalize): Set icf_status_.
2315         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
2316         icf_test and icf_keep_unique_test to use the --icf enum flag.
2317         * testsuite/icf_safe_test.sh: New file.
2318         * testsuite/icf_safe_test.cc: New file.
2319
2320 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
2321
2322         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
2323         includes to gc.h and icf.h.
2324         * arm.cc: Include gc.h.
2325         * gold.cc: Likewise.
2326         * i386.cc: Likewise.
2327         * powerpc.cc: Likewise.
2328         * sparc.cc: Likewise.
2329         * x86_64.cc: Likewise.
2330         * gc.h: Include icf.h.
2331
2332 2009-10-11  Ian Lance Taylor  <iant@google.com>
2333
2334         * plugin.cc: Include "gold.h" before other header files.
2335
2336 2009-10-10  Chris Demetriou  <cgd@google.com>
2337
2338         * options.h (Input_file_argument::Input_file_type): New enum.
2339         (Input_file_argument::is_lib_): Replace with...
2340         (Input_file_argument::type_): New member.
2341         (Input_file_argument::Input_file_argument): Take Input_file_type
2342         'type' rather than boolean 'is_lib' as second argument.
2343         (Input_file_argument::is_lib): Use type_.
2344         (Input_file_argument::is_searched_file): New function.
2345         (Input_file_argument::may_need_search): Handle is_searched_file.
2346         * options.cc (General_options::parse_library): Support -l:filename.
2347         (General_options::parse_just_symbols): Update for Input_file_argument
2348         changes.
2349         (Command_line::process): Likewise.
2350         * archive.cc (Archive::get_file_and_offset): Likewise.
2351         * plugin.cc (Plugin_manager::release_input_file): Likewise.
2352         * script.cc (read_script_file, script_add_file): Likewise.
2353         * fileread.cc (Input_file::Input_file): Likewise.
2354         (Input_file::will_search_for): Handle is_searched_file.
2355         (Input_file::open): Likewise.
2356         * readsyms.cc (Read_symbols::get_name): Likewise.
2357         * testsuite/Makefile.am (searched_file_test): New test.
2358         * testsuite/Makefile.in: Regenerate.
2359         * testsuite/searched_file_test.cc: New file.
2360         * testsuite/searched_file_test_lib.cc: New file.
2361
2362 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2363             Ian Lance Taylor  <iant@google.com>
2364
2365         * descriptor.cc: Include <cstdio> and "binary-io.h".
2366         (Descriptors::open): Open the files in binary mode always.
2367         * script.cc (Lex::get_token): Treat \r as whitespace.
2368
2369 2009-10-09  Ian Lance Taylor  <iant@google.com>
2370
2371         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
2372
2373 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2374             Ian Lance Taylor  <iant@google.com>
2375
2376         * configure.ac: Check for readv function also.
2377         * fileread.cc (readv): Define if not HAVE_READV.
2378         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
2379         does not exist.
2380         * config.in: Regenerate.
2381         * configure: Regenerate.
2382
2383 2009-10-09  Doug Kwan  <dougkwan@google.com>
2384
2385         * layout.cc (Layout::make_output_section): Call target hook to make
2386         ordinary output section.
2387         (Layout::finalize): Adjust parameter list of call the
2388         Target::may_relax().
2389         * layout.h (class Layout::section_list): New method.
2390         * merge.h (Output_merge_base::entsize): Change visibility to public.
2391         (Output_merge_base::is_string, Output_merge_base::do_is_string):
2392         New methods.
2393         (Output_merge_string::do_is_string): New method.
2394         * object.cc (Sized_relobj::do_setup): renamed from
2395         Sized_relobj::set_up.
2396         * object.h (Sized_relobj::adjust_shndx,
2397         Sized_relobj::initializ_input_to_output_maps,
2398         Sized_relobj::free_input_to_output_maps): Change visibilities to
2399         protected.
2400         (Sized_relobj::setup): Virtualize.
2401         (Sized_relobj::do_setup): New method declaration.
2402         (Sized_relobj::invalidate_section_offset,
2403         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
2404         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
2405         * options.cc (parse_int): New function.
2406         * options.h (parse_int): New declaration.
2407         (DEFINE_int): New macro.
2408         (stub_group_size): New option.
2409         * output.cc (Output_section::Output_section): Initialize memebers
2410         merge_section_map_, merge_section_by_properties_map_,
2411         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
2412         (Output_section::add_input_section): Handled deferred code-fill
2413         generation and remove an old comment.
2414         (Output_section::add_relaxed_input_section): New method definition.
2415         (Output_section::add_merge_input_section): Use merge section by
2416         properties map to speed to search.  Update merge section maps
2417         as appropriate.
2418         (Output_section::build_relaxation_map): New method definition.
2419         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2420         Same.
2421         (Output_section::relax_input_section): Renamed to
2422         Output_section::convert_input_sections_to_relaxed_sections and change
2423         interface to take a vector of pointers to relaxed sections.
2424         (Output_section::find_merge_section,
2425         Output_section::find_relaxed_input_section): New method definitions.
2426         (Output_section::is_input_address_mapped,
2427         Output_section::output_offset, Output_section::output_address):
2428         Use output section data maps to speed up searching.
2429         (Output_section::find_starting_output_address): Add comments.
2430         (Output_section::do_write,
2431         Output_section::write_to_postprocessing_buffer): Do code-fill
2432         generation as appropriate.
2433         (Output_section::get_input_sections): Invalidate relaxed input section
2434         map.
2435         (Output_section::restore_states): Adjust type of checkpoint .
2436         Invalidate relaxed input section map.
2437         * output.h (Output_merge_base): New class declaration.
2438         (Input_section_specifier): New class defintion.
2439         (class Output_relaxed_input_section) Change base class to
2440         Output_section_data_build.
2441         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
2442         base class initializer.
2443         (Output_section::add_relaxed_input_section): New method declaration.
2444         (Output_section::Input_section): Change visibility to protected.
2445         (Output_section::Input_section::relobj,
2446         Output_section::Input_section::shndx): Handle relaxed input sections.
2447         Output_section::input_sections) Change visibility to protected.  Also
2448         define overload to return a non-const pointer.
2449         (Output_section::Merge_section_properties): New class defintion.
2450         (Output_section::Merge_section_by_properties_map,
2451         Output_section::Output_section_data_by_input_section_map,
2452         Output_section::Relaxation_map): New types.
2453         (Output_section::relax_input_section): Rename method to
2454         Output_section::convert_input_sections_to_relaxed_sections and change
2455         interface to take a vector of relaxed section pointers.
2456         (Output_section::find_merge_section,
2457         Output_section::find_relaxed_input_section,
2458         Output_section::build_relaxation_map,
2459         Output_section::convert_input_sections_in_list_to_relaxed_sections):
2460         New method declarations.
2461         (Output_section::merge_section_map_
2462         Output_section::merge_section_by_properties_map_,
2463         Output_section::relaxed_input_section_map_,
2464         Output_section::is_relaxed_input_section_map_valid_,
2465         Output_section::generate_code_fills_at_write_): New data members.
2466         * script-sections.cc
2467         (Output_section_element_input::set_section_addresses): Call
2468         current_data_size and addralign methods of relaxed input sections.
2469         (Orphan_output_section::set_section_addresses): Call current_data_size
2470         and addralign methods of relaxed input sections.
2471         * symtab.cc (Symbol_table::compute_final_value): Extract template
2472         from the body of Symbol_table::sized_finalize_symbol.
2473         (Symbol_table::sized_finalized_symbol): Call
2474         Symbol_table::compute_final_value.
2475         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
2476         (Symbol_table::compute_final_value): New templated method declaration.
2477         * target.cc (Target::do_make_output_section): New method defintion.
2478         * target.h (Target::make_output_section): New method declaration.
2479         (Target::relax): Add more parameters for input objects, symbol table
2480         and layout.  Adjust call to do_relax.
2481         (Target::do_make_output_section): New method declaration.
2482         (Target::do_relax): Add parameters for input objects, symbol table
2483         and layout.
2484
2485 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2486
2487         * pread.c: Include stdio.h.
2488
2489 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2490
2491         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
2492         defined.
2493
2494 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2495
2496         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2497         Change read_shndx type to unsigned int.
2498         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2499         int.
2500         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2501         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
2502         Change read_shndx type to unsigned int.
2503         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2504         int.
2505         (Sized_dwarf_line_info::read_line_mappings): Likewise.
2506         * layout.cc (Layout::create_symtab_sections): Cast the result of
2507         local_symcount * symsize to off_t in the gold_assert.
2508
2509 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2510
2511         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
2512         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
2513         R_ARM_BASE_ABS.
2514         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
2515         (Arm_relocate_functions::thm_abs5): New function.
2516         (Arm_relocate_functions::abs12): New function.
2517         (Arm_relocate_functions::abs16): New function.
2518         (Arm_relocate_functions::base_abs): New function.
2519         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
2520         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
2521         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
2522         R_ARM_BASE_ABS.
2523         (Scan::global): Likewise.
2524         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
2525         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
2526         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
2527         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
2528         R_ARM_BASE_ABS.
2529
2530 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2531
2532         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
2533         (Arm_relocate_functions::movt_prel): New function.
2534         (Arm_relocate_functions::thm_movw_prel_nc): New function.
2535         (Arm_relocate_functions::thm_movt_prel): New function.
2536         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
2537         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
2538         (Scan::global, Relocate::relocate): Likewise.
2539         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2540
2541 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2542
2543         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
2544         Incremental_checker.
2545         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
2546         unsigned int.
2547         (class Incremental_inputs_header): New class.
2548         (Incremental_inputs_header_writer): Edit comment.
2549         (Incremental_inputs_entry): New class.
2550         (Incremental_inputs_entry_writer): Edit comment.
2551         (Sized_incremental_binary::do_find_incremental_inputs_section):
2552         Add *strtab_shndx parameter, fill it.
2553         (Sized_incremental_binary::do_check_inputs): New method.
2554         (Incremental_checker::can_incrementally_link_output_file): Use
2555         Sized_incremental_binary::check_inputs.
2556         (Incremental_inputs::report_command_line): Save command line in
2557         command_line_.
2558         * incremental.h:
2559         (Incremental_binary::find_incremental_inputs_section): New
2560         method.
2561         (Incremental_binary::do_find_incremental_inputs_section): Add
2562         strtab_shndx parameter.
2563         (Incremental_binary::do_check_inputs): New pure virtual method.
2564         (Sized_incremental_binary::do_check_inputs): Declare.
2565         (Incremental_checker::Incremental_checker): Add incremental_inputs
2566         parameter, use it to initialize incremental_inputs_.
2567         (Incremental_checker::incremental_inputs_): New field.
2568         (Incremental_checker::command_line): New method.
2569         (Incremental_checker::inputs): New method.
2570         (Incremental_checker::command_line_): New field.
2571
2572 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
2573
2574         * incremental.cc: Include <cstdarg> and "target-select.h".
2575         (vexplain_no_incremental): New function.
2576         (explain_no_incremental): New function.
2577         (Incremental_binary::error): New method.
2578         (Sized_incremental_binary::do_find_incremental_inputs_section): New
2579         method.
2580         (make_sized_incremental_binary): New function.
2581         (open_incremental_binary): New function.
2582         (can_incrementally_link_file): Add checks if output is ELF and has
2583         inputs section.
2584         * incremental.h: Include "elfcpp_file.h" and "output.h".
2585         (Incremental_binary): New class.
2586         (Sized_incremental_binary): New class.
2587         (open_incremental_binary): Declare.
2588         * object.cc (is_elf_object): Use
2589         elfcpp::Elf_recognizer::is_elf_file.
2590         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
2591         * output.h (Output_file::filesize): New method.
2592
2593 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2594
2595         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
2596         New function.
2597         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
2598         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
2599         function.
2600         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
2601         function.
2602         (Arm_relocate_functions::movw_abs_nc): New function.
2603         (Arm_relocate_functions::movt_abs): New function.
2604         (Arm_relocate_functions::thm_movw_abs_nc): New function.
2605         (Arm_relocate_functions::thm_movt_abs): New function.
2606         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
2607         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
2608         (Scan::global): Likewise.
2609         (Relocate::relocate): Likewise.
2610         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2611
2612 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2613
2614         * arm.cc (Arm_relocate_functions::got_prel) New function.
2615         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
2616         (Relocate::relocate): Likewise.
2617         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2618
2619 2009-10-06  Ian Lance Taylor  <iant@google.com>
2620
2621         * options.h (class General_options): Define
2622         split_stack_adjust_size parameter.
2623         * object.h (class Object): Add uses_split_stack_ and
2624         has_no_split_stack_ fields.  Add uses_split_stack and
2625         has_no_split_stack accessor functions.  Declare
2626         handle_split_stack_section.
2627         (class Reloc_symbol_changes): Define.
2628         (class Sized_relobj): Define Function_offsets.  Declare
2629         split_stack_adjust, split_stack_adjust_reltype, and
2630         find_functions.
2631         * object.cc (Object::handle_split_stack_section): New function.
2632         (Sized_relobj::do_layout): Call handle_split_stack_section.
2633         * dynobj.cc (Sized_dynobj::do_layout): Call
2634         handle_split_stack_section.
2635         * reloc.cc (Sized_relobj::relocate_sections): Call
2636         split_stack_adjust for executable sections in split_stack
2637         objects.  Pass reloc_map to relocate_section.
2638         (Sized_relobj::split_stack_adjust): New function.
2639         (Sized_relobj::split_stack_adjust_reltype): New function.
2640         (Sized_relobj::find_functions): New function.
2641         * target-reloc.h: Include "object.h".
2642         (relocate_section): Add reloc_symbol_changes parameter.  Change
2643         all callers.
2644         * target.h (class Target): Add calls_non_split method.  Declare
2645         do_calls_non_split virtual method.  Declare match_view and
2646         set_view_to_nop.
2647         * target.cc: Include "elfcpp.h".
2648         (Target::do_calls_non_split): New function.
2649         (Target::match_view): New function.
2650         (Target::set_view_to_nop): New function.
2651         * gold.cc (queue_middle_tasks): Give an error if mixing
2652         split-stack and non-split-stack objects with -r.
2653         * i386.cc (Target_i386::relocate_section): Add
2654         reloc_symbol_changes parameter.
2655         (Target_i386::do_calls_non_split): New function.
2656         * x86_64.cc (Target_x86_64::relocate_section): Add
2657         reloc_symbol_changes parameter.
2658         (Target_x86_64::do_calls_non_split): New function.
2659         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
2660         parameter.
2661         * powerpc.cc (Target_powerpc::relocate_section): Add
2662         reloc_symbol_changes parameter.
2663         * sparc.cc (Target_sparc::relocate_section): Add
2664         reloc_symbol_changes parameter.
2665         * configure.ac: Call AM_CONDITIONAL for the default target.
2666         * configure: Rebuild.
2667         * testsuite/Makefile.am (TEST_AS): New variable.
2668         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
2669         (check_DATA): Add split_i386 and split_x86_64 files.
2670         (SPLIT_DEFSYMS): Define.
2671         (split_i386_[1234n].o): New targets.
2672         (split_i386_[124]): New targets.
2673         (split_i386_[1234r].stdout): New targets.
2674         (split_x86_64_[1234n].o): New targets.
2675         (split_x86_64_[124]): New targets.
2676         (split_x86_64_[1234r].stdout): New targets.
2677         (MOSTLYCLEANFILES): Add new executables.
2678         * testsuite/split_i386.sh: New file.
2679         * testsuite/split_x86_64.sh: New file.
2680         * testsuite/split_i386_1.s: New file.
2681         * testsuite/split_i386_2.s: New file.
2682         * testsuite/split_i386_3.s: New file.
2683         * testsuite/split_i386_4.s: New file.
2684         * testsuite/split_i386_n.s: New file.
2685         * testsuite/split_x86_64_1.s: New file.
2686         * testsuite/split_x86_64_2.s: New file.
2687         * testsuite/split_x86_64_3.s: New file.
2688         * testsuite/split_x86_64_4.s: New file.
2689         * testsuite/split_x86_64_n.s: New file.
2690         * testsuite/testfile.cc (Target_test): Update relocation_section
2691         function.
2692         * testsuite/Makefile.in: Rebuild.
2693
2694 2009-10-06  Ian Lance Taylor  <iant@google.com>
2695
2696         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
2697         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
2698         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
2699         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
2700         the address on ldo_addrs_.
2701         (Target_i386::Relocate::fix_up_ldo): New function.
2702
2703 2009-10-06   Rafael Espindola  <espindola@google.com>
2704
2705         * plugin.cc (add_input_library): New.
2706         (Plugin::load): Add add_input_library to tv.
2707         (Plugin_manager::add_input_file): Add the is_lib argument.
2708         (add_input_file): Update call to Plugin_manager::add_input_file.
2709         (add_input_library): New.
2710         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2711
2712 2009-09-30  Doug Kwan  <dougkwan@google.com>
2713
2714         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
2715         symbol and call Symbol::may_need_copy_reloc to determine if
2716         a copy reloc is needed.
2717         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
2718         nocopyreloc is given in command line.
2719         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
2720         given in command line.
2721         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
2722         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
2723         of the removed Target_i386::may_need_copy_reloc.
2724         * options.h (copyreloc): New option with default value false.
2725         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2726         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
2727         instead of the removed Target_powerpc::may_need_copy_reloc.
2728         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2729         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
2730         instead of the removed Target_sparc::may_need_copy_reloc.
2731         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
2732         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
2733         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
2734         instead of the removed Target_x86_64::may_need_copy_reloc.
2735
2736 2009-09-30  Ian Lance Taylor  <iant@google.com>
2737
2738         * object.h (class Object): Remove target_ field, and target,
2739         sized_target, and set_target methods.
2740         (Object::sized_target): Remove.
2741         (class Sized_relobj): Update declarations.  Remove sized_target.
2742         * object.cc (Sized_relobj::setup): Remove target parameter.
2743         Change all callers.
2744         (Input_objects::add_object): Don't do anything with the target.
2745         (make_elf_sized_object): Add punconfigured parameter.  Change all
2746         callers.  Set or test parameter target.
2747         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
2748         Change all callers.
2749         * parameters.cc (Parameters::set_target): Change parameter type to
2750         be non-const.
2751         (Parameters::default_target): Remove.
2752         (set_parameters_target): Change parameter type to be non-const.
2753         (parameters_force_valid_target): New function.
2754         (parameters_clear_target): New function.
2755         * parameters.h (class Parameters): Update declarations.  Remove
2756         default_target method.  Add sized_target and clear_target
2757         methods.  Change target_ to be non-const.
2758         (set_parameters_target): Update declaration.
2759         (parameters_force_valid_target): Declare.
2760         (parameters_clear_target): Declare.
2761         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
2762         as NULL if we aren't searching.
2763         (Add_symbols::run): Don't check for compatible target.
2764         * fileread.cc (Input_file::open_binary): Call
2765         parameters_force_valid_target.
2766         * gold.cc (queue_middle_tasks): Likewise.
2767         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
2768         set_target on object.
2769         * dynobj.h (class Sized_dynobj): Update declarations.
2770         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
2771         make_elf_object returns NULL.
2772         (Archive::include_member): Don't check whether object target is
2773         compatible.
2774         * output.cc (Output_section::add_input_section): Get target from
2775         parameters.
2776         (Output_section::relax_input_section): Likewise.
2777         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
2778         parameters.
2779         (Sized_relobj::do_scan_relocs): Likewise.
2780         (Sized_relobj::relocate_sections): Likewise.
2781         * resolve.cc (Symbol_table::resolve): Likewise.
2782         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
2783         parameter.  Change all callers.
2784         (Symbol_table::add_from_object): Get target from parameters.
2785         (Symbol_table::add_from_relobj): Don't check object target.
2786         (Symbol_table::add_from_dynobj): Likewise.
2787         (Symbol_table::define_special_symbol): Get target from
2788         parameters.
2789         * symtab.h (class Symbol_table): Update declaration.
2790         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
2791         parameter.  Change all callers.  Clear parameter target.
2792         (Binary_test): Test target here.
2793         * testsuite/object_unittest.cc (gold_testsuite): Remove
2794         target_test_pointer parameter.  Change all callers.
2795         (Object_test): Test target here.
2796
2797 2009-09-26  Ian Lance Taylor  <iant@google.com>
2798
2799         * testsuite/initpri1.c: Don't try to use constructor priorities if
2800         compiling with gcc before 4.3.
2801
2802 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
2803
2804         * testsuite/retain_symbols_file_test.sh (check_present): Change
2805         output file name to retain_symbols_file_test.stdout.
2806         (check_absent): Likewise.
2807
2808 2009-09-18  Craig Silverstein  <csilvers@google.com>
2809
2810         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
2811         * options.cc: Include <cerrno> and <fstream>.
2812         (General_options::finalize): Parse -retain-symbols-file tag.
2813         * options.h: New flag.
2814         (General_options): New method should_retain_symbol, new
2815         variable symbols_to_retain.
2816         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
2817         should_retain_symbol map.
2818         * testsuite/Makefile.am (retain_symbols_file_test): New test.
2819         * testsuite/Makefile.in: Regenerate.
2820         * testsuite/retain_symbols_file_test.sh: New file.
2821
2822 2009-09-18  Nick Clifton  <nickc@redhat.com>
2823
2824         * po/es.po: Updated Spanish translation.
2825
2826 2009-09-17  Doug Kwan  <dougkwan@google.com>
2827
2828         * debug.h (DEBUG_RELAXATION): New constant.
2829         (DEBUG_ALL): Add DEBUG_RELAXATION.
2830         (debug_string_to_enum): Add relaxation debug option.
2831         * layout.cc
2832         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
2833         Layout::Relaxation_debug_check::read_sections,
2834         Layout::Relaxation_debug_check::read_sections): New method definitions.
2835         (Layout::Layout): Initialize data members
2836         record_output_section_data_from_scrips_,
2837         script_output_section_data_list_ and relaxation_debug_check_.
2838         (Layout::save_segments, Layout::restore_segments,
2839         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2840         Layout::relaxation_loop_body): New method definitions.
2841         (Layout::finalize): Support relaxation.  Move section layout code to
2842         Layout::relaxation_loop_body.
2843         (Layout::set_asection_address_from_script): Move code for orphan
2844         section placement out.
2845         (Layout::place_orphan_sections_in_script): New method definition.
2846         * layout.h (Output_segment_headers, Output_file_header):
2847         New forward class declarations.
2848         (Layout::~Layout): Define.
2849         (Layout::new_output_section_data_from_script): New method definition.
2850         (Layout::place_orphan_sections_in_script): New method declaration.
2851         (Layout::Segment_states): New type declaration.
2852         (Layout::save_segments, Layout::restore_segments,
2853         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
2854         Layout::relaxation_loop_body): New method declarations.
2855         (Layout::Output_section_data_list): New type declaration.
2856         (Layout::Relaxation_debug_check): New class definition.
2857         (Layout::record_output_section_data_from_script_,
2858         Layout::script_output_section_data_list_, Layout::segment_states_,
2859         Layout::relaxation_debug_check_): New data members.
2860         * output.cc: (Output_section_headers::do_size): New method definition.
2861         (Output_section_headers::Output_section_headers): Move size
2862         computation to Output_section_headers::do_size.
2863         (Output_segment_headers::do_size): New method definition.
2864         (Output_file_header::Output_file_header): Move size computation to
2865         Output_file_header::do_size and call it.
2866         (Output_file_header::do_size): New method definition.
2867         (Output_data_group::Output_data_group): Adjust call to
2868         Output_section_data.
2869         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
2870         (Output_symtab_xindex::do_write): Add array bound check.
2871         (Output_section::Input_section::print_to_mapfile): Handle
2872         RELAXED_INPUT_SECTION_CODE.
2873         (Output_section::Output_section): Initialize data member checkpoint_.
2874         (Output_section::~Output_section): Delete checkpoint object pointed
2875         by checkpoint_.
2876         (Output_section::add_input_section): Always add an Input_section if
2877         relaxing.
2878         (Output_section::add_merge_input_section): Add assert.
2879         (Output_section::relax_input_section): New method definition.
2880         (Output_section::set_final_data_size): Set load address to zero for
2881         an unallocated section.
2882         (Output_section::do_address_and_file_offset_have_reset_values):
2883         New method definition.
2884         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
2885         Handle relaxed input section.
2886         (Output_section::sort_attached_input_sections): Checkpoint input
2887         section list lazily.
2888         (Output_section::get_input_sections): Change type of input_sections to
2889         list of Simple_input_section pointers.  Checkpoint input section list
2890         lazily.  Also handle relaxed input sections.
2891         (Output_section::add_input_section_for_script): Take a reference to
2892         a Simple_input_section object instead of Relobj pointer and section
2893         index as parameter.  Handle relaxed input sections.
2894         (Output_section::save_states, Output_section::restore_states): New
2895         method definitions.
2896         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
2897         (Output_data::is_data_size_fixed): New method definition.
2898         (Output_data::reset_addresss_and_file_offset): Do not reset data size
2899         if it is fixed.
2900         (Output_data::address_and_file_offset_have_reset_values): New method
2901         definition.
2902         (Output_data::do_address_and_file_offset_have_reset_values): New method
2903         definition.
2904         (Output_data::set_data_size): Check that data size is not fixed.
2905         (Output_data::fix_data_size): New method definition.
2906         (Output_data::is_data_size_fixed_): New data member.
2907         (Output_section_headers::set_final_data_size): New method definition.
2908         (Output_section_headers::do_size): New method declaration.
2909         (Output_segment_headers::set_final_data_size): New method definition.
2910         (Output_segment_headers::do_size): New method declaration.
2911         (Output_file_header::set_final_data_size)::New method definition.
2912         (Output_file_header::do_size)::New method declaration.
2913         (Output_section_data::Output_section_data): Add new parameter
2914         is_data_size_fixed and use it to fix data size.
2915         (Output_data_const::Output_data_const): Adjust call to base class
2916         constructor and fix data size.
2917         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
2918         base class constructor and fix data size.
2919         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
2920         base class constructor and fix data size.
2921         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
2922         class constructor and fix data size.
2923         (Output_data_group::set_final_data_size): New method definition.
2924         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
2925         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
2926         class constructor and fix data size.
2927         (Output_relaxed_input_section): New class definition.
2928         (Output_section::Simple_input_section): New class definition.
2929         (Output_section::get_input_sections): Adjust parameter list.
2930         (Output_section::add_input_section_for_script): Same.
2931         (Output_section::save_states, Output_section::restore_states,
2932         Output_section::do_address_and_file_offset_have_reset_values,
2933         (Output_section::Input_section::Input_section): Handle
2934         RELAXED_INPUT_SECTION_CODE.  Add new overload for
2935         Output_relaxed_input_section.
2936         (Output_section::Input_section::is_input_section,
2937         Output_section::Input_section::set_output_section): Handle relaxed
2938         input section.
2939         (Output_section::Input_section::is_relaxed_input_section,
2940         Output_section::Input_section::output_section_data,
2941         Output_section::Input_section::relaxed_input_section): New method
2942         definitions.
2943         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
2944         value.
2945         (Output_section::Input_section::u1_): Update comments.
2946         (Output_section::Input_section::u2_): Add new union member poris.
2947         (Output_section::Checkpoint_output_section): New classs definition.
2948         (Output_section::relax_input_section): New method declaration.
2949         (Output_section::checkpoint_): New data member.
2950         (Output_segment): Update comments.
2951         (Output_segment::Output_segment): Un-privatize copy constructor.
2952         (Output_segment::operator=): Un-privatize.
2953         * script-sections.cc (Output_section_element::Input_section_list):
2954         Change element type to Output_section::Simple_input_section.
2955         (Output_section_element_dot_assignment::set_section_addresses):
2956         Register output section data for relaxation clean up.
2957         (Output_data_exression::Output_data_expression): Adjust call to base
2958         constructor to fix data size.
2959         (Output_section_element_data::set_section_addresses): Register
2960         Output_data_expression object for relaxation clean up.
2961         (struct Input_section_info): Replace Relobj pointer and section index
2962         pair with Output_section::Simple_input_section and Convert struct to a
2963         class.
2964         (Input_section_sorter::operator()): Adjust access to
2965         Input_section_info data member to use accessors.
2966         (Output_section_element_input::set_section_addresses): Use layout
2967         parameter.  Adjust code to use Output_section::Simple_input_section
2968         and Input_secction_info classes.  Register filler for relaxation
2969         clean up.
2970         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
2971         and section index pair with Output_section::Simple_input_section
2972         class.  Adjust code accordingly.
2973         (Phdrs_element::release_segment): New method definition.
2974         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
2975         segment list.
2976         (Script_sections::release_segments): New method definition.
2977         * gold/script-sections.h (Script_sections::release_segments): New
2978         method declaration.
2979         * gold/target.h (Target::may_relax, Target::relax,
2980         Target::do_may_relax, Target::do_relax): New method definitions.
2981
2982 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2983
2984         * arm.cc (has_signed_unsigned_overflow): New function.
2985         (Arm_relocate_functions::abs8): New function.
2986         (Target_arm::Scan::local): Handle R_ARM_ABS8.
2987         (Target_arm::Scan::global): Likewise.
2988         (Target_arm::relocate::relocate): Likewise.
2989         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2990         Likewise.
2991
2992 2009-09-16  Cary Coutant  <ccoutant@google.com>
2993
2994         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
2995         * testsuite/Makefile.in: Regenerate.
2996
2997 2009-09-11  Nick Clifton  <nickc@redhat.com>
2998
2999         * po/gold.pot: Updated by the Translation project.
3000
3001 2009-09-08  Cary Coutant  <ccoutant@google.com>
3002
3003         * output.cc (Output_file::open): Add execute permission to empty file.
3004         * testsuite/Makefile.am (permission_test): New test.
3005         * testsuite/Makefile.in: Regenerate.
3006
3007 2009-09-02  Ian Lance Taylor  <iant@google.com>
3008
3009         * output.cc (Output_file::resize): Call map_no_anonymous rather
3010         than map.
3011
3012 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
3013
3014         * gold.cc: Include "incremental.h".
3015         (queue_initial_tasks): Call Incremental_checker methods.
3016         * incremental.cc: Include "output.h".
3017         (Incremental_checker::can_incrementally_link_output_file): New
3018         method.
3019         * incremental.h (Incremental_checker): New class.
3020
3021         * output.cc (Output_file::open_for_modification): New method.
3022         (Output_file::map_anonymous): Changed return type to bool.  Record
3023         map in base_ field.
3024         (Output_file::map_no_anonymous): New method, broken out of map.
3025         (Output_file::map): Use map_no_anonymous and map_anonymous.
3026         * output.h (class Output_file): Update declarations.
3027
3028 2009-08-24  Cary Coutant  <ccoutant@google.com>
3029
3030         * options.h (Command_line::Pre_options): New class.
3031         (Command_line::pre_options): New member.
3032         * options.cc (gold::options::ready_to_register): New variable.
3033         (One_option::register_option): Do nothing if not registering options.
3034         Assert if same short option registered twice.
3035         (General_options::General_options): Turn off option registration when
3036         done constructing.
3037         (Command_line::Pre_options::Pre_options): New constructor.
3038
3039 2009-08-24  Cary Coutant  <ccoutant@google.com>
3040
3041         * options.h (General_options::no_keep_memory): Remove incorrect
3042         short option.
3043
3044 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3045
3046         * Makefile.am (am__skiplex, am__skipyacc): New.
3047         * Makefile.in: Regenerate.
3048
3049 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3050
3051         * Makefile.am (AM_CPPFLAGS): Renamed from ...
3052         (INCLUDES): ... this.
3053         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3054         (AM_CPPFLAGS): Renamed from ...
3055         (INCLUDE): ... this.
3056         * Makefile.in, testsuite/Makefile.in: Regenerate.
3057
3058         * Makefile.in: Regenerate.
3059         * aclocal.m4: Likewise.
3060         * config.in: Likewise.
3061         * configure: Likewise.
3062         * testsuite/Makefile.in: Likewise.
3063
3064         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3065         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3066         * Makefile.in: Regenerate.
3067         * testsuite/Makefile.in: Regenerate.
3068
3069 2009-08-19  Cary Coutant  <ccoutant@google.com>
3070
3071         * resolve.cc (Symbol_table::resolve): Don't complain about defined
3072         symbols in shared libraries overridden by hidden or internal symbols
3073         in the main program.
3074
3075 2009-08-19  Chris Demetriou  <cgd@google.com>
3076
3077         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3078         checking source file names in error messages.
3079
3080 2009-08-18  Doug Kwan  <dougkwan@google.com>
3081
3082         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3083         an elcpp::Ehdr as parameter.  Adjust call to set_target.
3084         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3085         an elfcpp::Ehdr as parameter.
3086         * object.cc (Object::set_target): Remove the version that looks up
3087         a target and sets it.
3088         (Sized_relobj::setup): Take a Target object instead of
3089         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
3090         (make_elf_sized_object): Find target and ask target to
3091         make an ELF object.
3092         * object.h: (Object::set_target): Remove the version that looks up
3093         a target and sets it.
3094         (Sized_relobj::setup): Take a Target object instead of
3095         an elfcpp:Ehdr as parameter.
3096         * target.cc: Include dynobj.h.
3097         (Target::do_make_elf_object_implementation): New.
3098         (Target::do_make_elf_object): New.
3099         * target.h (Target::make_elf_object): New template declaration.
3100         (Target::do_make_elf_object): New method declarations.
3101         (Target::do_make_elf_object_implementation): New template declaration.
3102
3103 2009-08-14  Ian Lance Taylor  <iant@google.com>
3104
3105         * gold.h (FUNCTION_NAME): Define.
3106         (gold_unreachable): Use FUNCTION_NAME.
3107
3108 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3109
3110         * icf.cc (Icf::find_identical_sections): Issue a warning when a
3111         symbol in the --keep-unique list is not found.
3112
3113 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
3114
3115         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3116         been maked as --keep-unique.
3117         (Icf::unfold_section): New function.
3118         * icf.h (Icf::unfold_section): New function.
3119         * options.h (General_options::keep_unique): New option.
3120         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3121         * testsuite/Makefile.in: Regenerate.
3122         * testsuite/icf_keep_unique_test.sh: New file.
3123         * testsuite/icf_keep_unique_test.cc: New file.
3124
3125 2009-08-12  Cary Coutant  <ccoutant@google.com>
3126
3127         PR 10471
3128         * resolve.cc (Symbol_table::resolve): Check for references from
3129         dynamic objects to hidden and internal symbols.
3130         * testsuite/Makefile.am (hidden_test.sh): New test.
3131         * testsuite/Makefile.in: Regenerate.
3132         * testsuite/hidden_test.sh: New script.
3133         * testsuite/hidden_test_1.c: New test source.
3134         * testsuite/hidden_test_main.c: New test source.
3135
3136 2009-08-11  Doug Kwan  <dougkwan@google.com>
3137
3138         * arm.cc: Update comments.
3139         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3140         segment to locate the .ARM.exidx section if present.
3141
3142 2009-08-09  Doug Kwan  <dougkwan@google.com>
3143
3144         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3145         patch.
3146
3147 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
3148         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3149         compiler warnings.
3150
3151 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
3152
3153         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3154         valid tls_segment only for non-debug-section relocations.
3155         * testsuite/Makefile.am: Add gc_tls_test.
3156         * testsuite/Makefile.in: Regenerate.
3157         * testsuite/gc_tls_test.cc: New file.
3158         * testsuite/gc_tls_test.sh: New file.
3159
3160 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
3161
3162         * icf.cc: New file.
3163         * icf.h: New file.
3164         * Makefile.am (CCFILES): Add icf.cc.
3165         (HFILES): Add icf.h
3166         * Makefile.in: Regenerate.
3167         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3168         * gc.h (gc_process_relocs): Populate lists used by icf to contain
3169         section, symbol and addend information for the relocs.
3170         * gold.cc (queue_middle_tasks): Call identical code folding.
3171         * gold.h: Add defines for multimap.
3172         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
3173         to the call of finalize_local_symbols.
3174         * main.cc (main): Create object of class Icf.
3175         * object.cc (Sized_relobj::do_layout): Allow this function to be
3176         called twice during icf.
3177         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
3178         to sections marked as identical by icf.
3179         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
3180         when available.
3181         (Sized_relobj::do_section_entsize): New function.
3182         * object.h (Object::section_entsize): New function.
3183         (Object::do_section_entsize): New pure virtual function.
3184         (Relobj::finalize_local_symbols): Add new parameter.
3185         (Relobj::do_section_entsize): New function.
3186         * options.h (General_options::icf): New option.
3187         (General_options::icf_iterations): New option.
3188         (General_options::print_icf_sections): New option.
3189         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
3190         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
3191         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
3192         icf.
3193         * symtab.cc (Symbol_table::is_section_folded): New function.
3194         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
3195         to sections marked as identical by icf.
3196         * symtab.h (Symbol_table::set_icf): New function.
3197         (Symbol_table::icf): New function.
3198         (Symbol_table::is_section_folded): New function.
3199         (Symbol_table::icf_): New data member.
3200         * target-reloc.h (relocate_section): Ignore sections folded by icf.
3201         * testsuite/Makefile.am: Add commands to build icf_test.
3202         * testsuite/Makefile.in: Regenerate.
3203         * testsuite/icf_test.sh: New file.
3204         * testsuite/icf_test.cc: New file.
3205
3206 2009-07-24  Chris Demetriou  <cgd@google.com>
3207
3208         * layout.cc (is_compressible_debug_section): Fix incorrect
3209         comment about compressed section names.
3210
3211 2009-07-20  Ian Lance Taylor  <ian@airs.com>
3212
3213         PR 10419
3214         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
3215
3216 2009-07-16  Ian Lance Taylor  <iant@google.com>
3217
3218         PR 10400
3219         * layout.h: #include <map>.
3220         (class Kept_section): Change from struct to class.  Add accessors
3221         and setters.  Add section size to Comdat_group mapping.  Change
3222         Comdat_group to std::map.  Add is_comdat_ field.  Add
3223         linkonce_size field in union.
3224         (class Layout): Update declaration of find_or_add_kept_section.
3225         Don't declare find_kept_object.
3226         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
3227         parameter.  Add object, shndx, is_comdat, and is_group_name
3228         parameters.  Change all callers.  Adjust for new Kept_section.
3229         (Layout::find_kept_object): Remove.
3230         * object.cc (Sized_relobj::include_section_group): Update use of
3231         Kept_section.  Rename secnum to shndx.  Only record
3232         Kept_comdat_section if sections are the same size.
3233         (Sized_relobj::include_linkonce_section): Update use of
3234         Kept_section.  Only record Kept_comdat_section if sections are the
3235         same size.  Set size of linkonce section.
3236         (Sized_relobj::map_to_kept_section): Update call to
3237         get_kept_comdat_section.
3238         * object.h (class Sized_relobj): Rename fields in
3239         Kept_comdat_section to drop trailing underscores; change object
3240         field to Relobj*.  Change Kept_comdat_section_table to store
3241         struct rather than pointer.
3242         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
3243         Add kept_object and kept_shndx parameters.  Change all callers.
3244         (Sized_relobj::get_kept_comdat_section): Change return type to
3245         bool.  Add kept_object and kept_shndx parameters.  Change all
3246         callers.
3247         * plugin.cc (Pluginobj::include_comdat_group): Update call to
3248         Layout::find_or_add_kept_section.
3249
3250 2009-07-09  Ian Lance Taylor  <iant@google.com>
3251
3252         * merge.cc (Object_merge_map::initialize_input_to_output_map):
3253         Reserve space in the hash table.
3254
3255 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
3256
3257         * fileread.cc (File_read::get_mtime): New method.
3258         * fileread.h (Timespec): New structure.
3259         (File_read::get_mtime): New method.
3260         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
3261         Renamed from timestamp_nsec.
3262         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
3263         Elf_Xword.
3264         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
3265         timestamp_nsec.
3266         (Incremental_inputs::report_archive): Save mtime; style fix.
3267         (Incremental_inputs::report_obejct): Save mtime; style fix.
3268         (Incremental_inputs::report_script): Save mtime; style fix.
3269         (Incremental_inputs::finalize_inputs): Style fix.
3270         (Incremental_inputs::finalize): Style fix.
3271         (Incremental_inputs::create_input_section_data): Store inputs
3272         mtime.
3273         * incremental.h (Incremental_inputs::report_script): Add mtime
3274         argument.
3275         (Incremental_inputs::Input_info::Input_info): Intialize only one
3276         union member.
3277         (Incremental_inputs::Input_info::archive): Move to nameless
3278         union.
3279         (Incremental_inputs::Input_info::obejct): Move to nameless union.
3280         (Incremental_inputs::Input_info::script): Move to nameless union.
3281         (Incremental_inputs::mtime): New field.
3282         * script.cc (read_input_script): Pass file mtime to
3283         Incremental_input.
3284         * script.h (Script_info::inputs): Style fix.
3285
3286 2009-07-01  Ian Lance Taylor  <ian@airs.com>
3287
3288         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
3289         instead of 32.
3290
3291 2009-06-24  Ian Lance Taylor  <iant@google.com>
3292
3293         PR 10156
3294         * layout.cc (Layout::choose_output_section): If we find an
3295         existing section, update the flags.
3296         (Layout::create_notes): New function, broken out of
3297         Layout::finalize.
3298         (Layout::finalize): Don't create note sections.
3299         (Layout::create_note): Don't crash if linker script discards
3300         section.
3301         (Layout::create_gold_note): Likewise.
3302         (Layout::create_build_id): Likewise.  Don't set
3303         after_input_sections on the section.
3304         (Layout::create_executable_stack_info): Remove target parameter.
3305         Change caller.
3306         * layout.h (class Layout): Declare create_notes.  Update
3307         declaration of create_executable_stack_info.
3308         * gold.cc (queue_middle_tasks): Call create_notes.
3309         * output.cc (Output_section::update_flags_for_input_section): Move
3310         here from output.h.  If SHF_ALLOC flag is newly set, mark address
3311         invalid.
3312         * output.h (Output_data::mark_address_invalid): New function.
3313         (class Output_section): Only declare, not define,
3314         update_flags_for_input_section.  Remove set_flags.
3315
3316 2009-06-24  Ian Lance Taylor  <iant@google.com>
3317
3318         * script-sections.cc (Output_section_definition::
3319         set_section_addresses): Rename shadowing local load_address to
3320         laddr.
3321
3322 2009-06-24  Ian Lance Taylor  <iant@google.com>
3323
3324         PR 10244
3325         * reloc.cc (relocate_sections): Skip empty relocation sections.
3326
3327 2009-06-23  Ian Lance Taylor  <iant@google.com>
3328
3329         PR 10156
3330         * layout.cc (Layout::create_note): Use choose_output_section
3331         rather than make_output_section.
3332
3333 2009-06-23  Ian Lance Taylor  <iant@google.com>
3334
3335         PR 10237
3336         * options.cc (General_options::parse_V): Set printed_version_.
3337         (General_options::General_options): Initialize printed_version_.
3338         * options.h (class General_options): Add printed_version_ field.
3339         * gold.cc (queue_initial_tasks): If there are no input files,
3340         don't give a fatal error if we printed the version information.
3341         (queue_middle_tasks): If using -r with a shared object, give a
3342         fatal error rather than an ordinary error.
3343
3344 2009-06-23  Ian Lance Taylor  <iant@google.com>
3345
3346         PR 10219
3347         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
3348         (Layout::make_output_section): Set have_stabstr_section_ if we see
3349         a .stab*str section.
3350         (Layout::finalize): Call link_stabs_sections.
3351         (Layout::link_stabs_sections): New file.
3352         * layout.h (class Layout): Add have_stabstr_section_ field.
3353         Declare link_stabs_sections.
3354
3355 2009-06-23  Doug Kwan  <dougkwan@google.com>
3356
3357         * Makefile.am (libgold_a_LIBADD): New.
3358         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
3359         * Makefile.in: Regenerate.
3360         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
3361         * configure: Regenerate.
3362         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
3363         * fileread.cc: Include sys/state.h
3364         * gold.h: Declare memmem and strndup if found missing.
3365         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
3366
3367 2009-06-23  Ian Lance Taylor  <iant@google.com>
3368
3369         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
3370         * configure: Rebuild.
3371
3372 2009-06-23  Ian Lance Taylor  <iant@google.com>
3373
3374         PR 10147
3375         * object.cc (Object::section_contents): Don't try to get a view if
3376         the section has length zero.
3377         (Object::handle_gnu_warning_section): If the section is empty, use
3378         the name of the section as the warning.
3379
3380 2009-06-23  Ian Lance Taylor  <iant@google.com>
3381
3382         PR 10133
3383         * stringpool.h (class Stringpool_template): Add optimize_ field.
3384         (Stringpool_template::set_optimize): New function.
3385         * stringpool.cc (Stringpool_template::Stringpool_template):
3386         Initialize optimize_ field.
3387         (Stringpool_template::set_string_offsets): Test local optimize
3388         fild rather than parameter.
3389         * layout.cc (Layout::Layout): Call set_optimize on the section
3390         name stringpool.
3391
3392 2009-06-22  Ian Lance Taylor  <iant@google.com>
3393
3394         PR 10030
3395         * yyscript.y: Parse TARGET.
3396         * script.cc (script_set_target): New function.
3397         * script-c.h (script_set_target): Declare.
3398         * options.cc (General_options::string_to_object_format): Rename
3399         from string_to_object_format in anonymous namespace.  Change
3400         callers.
3401         * options.h (class General_options): Declare
3402         string_to_object_format.
3403
3404 2009-06-22  Ian Lance Taylor  <iant@google.com>
3405
3406         * script-sections.cc (Script_sections::create_segments): Don't put
3407         program headers in a PT_LOAD segment if -n or -N.
3408
3409 2009-06-22  Ian Lance Taylor  <iant@google.com>
3410
3411         PR 10141
3412         * options.h (class General_options): Add -z lazy and -z now.  Sort
3413         -z options into alphabetical order.
3414         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
3415
3416 2009-06-21  Ian Lance Taylor  <iant@google.com>
3417
3418         * layout.cc (Layout::make_output_section): Call
3419         Target::new_output_section.
3420         (Layout::attach_allocated_section_to_segment): Put large section
3421         sections in a separate load segment with the large segment flag
3422         set.
3423         (Layout::segment_precedes): Sort large data segments after other
3424         load segments.
3425         (align_file_offset): New static function.
3426         (Layout::set_segment_offsets): Use align_file_offset.
3427         * output.h (class Output_section): Add is_small_section_ and
3428         is_large_section_ fields.
3429         (Output_section::is_small_section): New function.
3430         (Output_section::set_is_small_section):  New function.
3431         (Output_section::is_large_section): New function.
3432         (Output_section::set_is_large_section): New function.
3433         (Output_section::is_large_data_section): New function.
3434         (class Output_segment): Add is_large_data_segment_ field.
3435         (Output_segment::is_large_data_segment): New function.
3436         (Output_segment::set_is_large_data_segment): New function.
3437         * output.cc (Output_section::Output_section): Initialize new
3438         fields.
3439         (Output_segment::Output_segment): Likewise.
3440         (Output_segment::add_output_section): Add assertion that large
3441         data sections always go in large data segments.  Force small data
3442         sections to the end of the list of data sections.  Force small BSS
3443         sections to the start of the list of BSS sections.  For large BSS
3444         sections to the end of the list of BSS sections.
3445         * symtab.h (class Symbol): Declare is_common_shndx.
3446         (Symbol::is_defined): Check Symbol::is_common_shndx.
3447         (Symbol::is_common): Likewise.
3448         (class Symbol_table): Define enum Commons_section_type.  Update
3449         declarations.  Add small_commons_ and large_commons_ fields.
3450         * symtab.cc (Symbol::is_common_shndx): New function.
3451         (Symbol_table::Symbol_table): Initialize new fields.
3452         (Symbol_table::add_from_object): Put small and large common
3453         symbols in the right list.
3454         (Symbol_table::sized_finalized_symbol): Check
3455         Symbol::is_common_shndx.
3456         (Symbol_table::sized_write_globals): Likewise.
3457         * common.cc (Symbol_table::do_allocate_commons): Allocate new
3458         common symbol lists.  Don't call do_allocate_commons_list if the
3459         list is empty.
3460         (Symbol_table::do_allocate_commons_list): Remove is_tls
3461         parameter.  Add comons_section_type parameter.  Change all
3462         callers.  Handle small and large common symbols.
3463         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
3464         Symbol::is_common_shndx.
3465         * resolve.cc (symbol_to_bits): Likewise.
3466         * target.h (Target::small_common_shndx): New function.
3467         (Target::small_common_section_flags): New function.
3468         (Target::large_common_shndx): New function.
3469         (Target::large_common_section_flags): New function.
3470         (Target::new_output_section): New function.
3471         (Target::Target_info): Add small_common_shndx, large_common_shndx,
3472         small_common_section_flags, and large_common_section_flags
3473         fields.
3474         (Target::do_new_output_section): New virtual function.
3475         * arm.cc (Target_arm::arm_info): Initialize new fields.
3476         * i386.cc (Target_i386::i386_info): Likewise.
3477         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3478         Likewise.
3479         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
3480         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3481         (Target_x86_64::do_new_output_section): New function.
3482         * configure.ac: Define conditional MCMODEL_MEDIUM.
3483         * testsuite/Makefile.am (check_PROGRAMS): Add large.
3484         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
3485         (large_LDFLAGS): Define.
3486         * testsuite/large.c: New file.
3487         * testsuite/testfile.cc (Target_test::test_target_info):
3488         Initialize new fields.
3489         * configure, testsuite/Makefile.in: Rebuild.
3490
3491 2009-06-05  Doug Kwan  <dougkwan@google.com>
3492
3493         * Makefile.am (CCFILES): Add target.cc.
3494         * Makefile.in: Regenerate.
3495         * i386.cc (class Target_i386): Define new virtual method to
3496         override do_is_local_label_name in parent.
3497         * object.cc (Sized_relobj::do_count_local_symbols): Discard
3498         local symbols if --discard-locals or -X is given.
3499         * options.h (class General_options): Declare new options
3500         '--discard-locals' and '-X' for discarding locals.
3501         * target.h (class Target): Define new methods is_local_label_name.
3502         Declare new virtual method do_is_local_label_name.
3503         * target.cc: New file.
3504         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
3505         (check_SCRIPTS): Add discard_locals_test.sh.
3506         (check_DATA): Add discard_local_tests.syms.
3507         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
3508         (discard_local_tests.syms, discard_locals_test.o): New make rules.
3509         * testsuite/Makefile.in: Regenerate.
3510         * testsuite/discard_locals_test.c: New file.
3511         * testsuite/discard_locals_test.sh: Same.
3512
3513 2009-06-05  Doug Kwan  <dougkwan@google.com>
3514
3515         * object.cc (Sized_relobj::Sized_relobj): Initialize
3516         discarded_eh_frame_shndx_ to -1U.
3517         (Sized_relobj::do_layout): Record index of a discard .eh_frame
3518         section.
3519         (Sized_relobj::do_count_local_symbols): Skip local symbols in
3520         a discarded .eh_frame section.
3521         (Sized_relobj::do_finalize_local_symbols): Ditto.
3522         * object.h (class Sized_relobj): Declare new member
3523         discarded_eh_frame_shndx_.
3524         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
3525         (local_labels_test.o, local_labels_test): New rules.
3526         * testsuite/Makefile.in: Regenerate.
3527
3528 2009-06-04  Doug Kwan  <dougkwan@google.com>
3529
3530         * layout.cc (Layout::section_name_mapping): Add mapping for
3531         special ARM sections.
3532
3533 2009-06-03  Doug Kwan  <dougkwan@google.com>
3534
3535         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
3536         (utils::has_overflow): Same.
3537
3538 2009-06-03  Ian Lance Taylor  <iant@google.com>
3539
3540         * layout.cc (Layout::section_name_mapping): New array, replacing
3541         Layout::linkonce_mapping.
3542         (Layout::section_name_mapping_count): New variable, replacing
3543         Layout::linkonce_mapping_count.
3544         (Layout::linkonce_output_name): Remove.
3545         (Layout::output_section_name): Rewrite.
3546         * layout.h (class Layout): Rename Linkonce_mapping to
3547         Section_name_mapping, linkonce_mapping to section_name_mapping,
3548         linkonce_mapping_count to section_name_mapping_count.  Don't
3549         declare linkonce_output_name.
3550
3551 2009-06-03  Doug Kwan  <dougkwan@google.com>
3552
3553         * gold/arm.cc (namespace utils): New.
3554         (Target_arm::reloc_is_non_pic): Define new method.
3555         (class Arm_relocate_functions): New.
3556         (Target_arm::Relocate::relocate): Handle relocation types used by
3557         Android.
3558
3559 2009-06-03  Ian Lance Taylor  <iant@google.com>
3560
3561         * arm.cc (Target_arm::scan::global): Use || instead of |.
3562
3563 2009-06-02  Doug Kwan  <dougkwan@google.com>
3564
3565         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
3566         issued_non_pic_error_.
3567         (class Target_arm::Scan): Declare new method check_non_pic.
3568         Define new method symbol_needs_plt_entry.
3569         Declare new data member issued_non_pic_error_.
3570         (class Target_arm::Relocate): Declare new method
3571         should_apply_static_reloc.
3572         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
3573         (Target_arm::Scan::check_non_pic): Define new method.
3574         (Target_arm::Scan::local): Handle a small subset of reloc types used
3575         by Android.
3576         (Target_arm::Scan::local): Same.
3577         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
3578
3579 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
3580
3581         * incremental.cc (Incremental_inputs::report_command_line): Filter
3582         out --incremental-* options.
3583
3584 2009-05-29  Doug Kwan  <dougkwan@google.com>
3585
3586         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
3587         template class.
3588         (class Target_arm): Update comment.
3589         (Target_arm::Target_arm): Initialize new data members GOT_,
3590         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
3591         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
3592         and Target_arm::rel_dyn_section.
3593         Declare new_enum Target_arm::Got_type.
3594         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
3595         and DYNBSS_.
3596         Update commments for member do_dynsym_value.
3597         (Target_arm::got_size, Target_arm::plt_section,
3598         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
3599         new methods inside class defintion.
3600         (Target_arm::got_section): Define new method.
3601         (Target_arm::rel_dyn_section): Same.
3602         (Output_data_plt_arm): New template class.
3603         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
3604         (Output_data_plt_arm:do_adjust_output_section): Define new method.
3605         (Output_data_plt_arm::add_entry): Same.
3606         (Output_data_plt_arm::first_plt_entry): Define new
3607         static data member for PLT instruction template.
3608         (Output_data_plt_arm::plt_entry): Same.
3609         (Output_data_plt_arm::do_write): Define new method.
3610         (Target_arm::make_plt_entry): Same.
3611         (Target_arm::do_finalize_sections): Same.
3612         (Target_arm::do_dynsym_value): Same.
3613
3614 2009-05-28  Doug Kwan  <dougkwan@google.com>
3615
3616         * Makefile.am (TARGETSOURCES): Add arm.cc.
3617         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
3618         * Makefile.in: Regenerate.
3619         * arm.cc: New file.
3620         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
3621
3622 2009-05-26  Doug Kwan  <dougkwan@google.com>
3623
3624         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
3625         (General_options::check_excluded_libs): Strip off directories in
3626         archive name before matching like GNU ld does.
3627         * testsuite/Makefile.am (MOSTLYCLEANFILES,
3628         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
3629         (exclude_libs_test_LDFLAGS): Add linker option
3630         -Wl,--exclude-libs,libexclude_libs_test_3
3631         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
3632         an explicit archive without using -l.
3633         (alt/libexclude_libs_test_3.a): New make rule.
3634         * testsuite/Makefile.in: Regenerate.
3635         * testsuite/exclude_libs_test.c : Declare lib3_default().
3636         (main): Call it.
3637         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
3638         * exclude_libs_test_3.c: New file.
3639
3640 2009-05-26  Nick Clifton  <nickc@redhat.com>
3641
3642         * po/id.po: New Indonesian translation.
3643         * po/gold.pot: Updated template file.
3644
3645 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
3646
3647         * testsuite/Makefile.am: Add -ffunction-sections to compile
3648         gc_comdat_test files.  Add -Wl,--gc-sections to build
3649         gc_comdat_test.
3650         * testsuite/Makefile.in: Regenerate.
3651         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
3652
3653 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
3654
3655         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
3656         kept comdat section was garbage collected.
3657         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
3658         * testsuite/Makefile.in: Regenerate.
3659         * testsuite/gc_comdat_test.sh: New file.
3660         * testsuite/gc_comdat_test_1.cc: New file.
3661         * testsuite/gc_comdat_test_2.cc: New file.
3662
3663 2009-05-19  Doug Kwan  <dougkwan@google.com>
3664
3665         * archive.cc (Archive::Archive): Move constructor from archive.h
3666         to here.  Initialize no_export_.
3667         (Archive::get_elf_object_for_member): Set no_export flag of object.
3668         * archive.h (Archive::Archive): Move constructor body to
3669         archive.cc.
3670         (Archive::no_export): New method.
3671         (Archive::no_export_): New field.
3672         * object.h (Object::Object): Initialize no_export_ to false.
3673         (Object::no_export, Object::set_no_export): New methods.
3674         (Object::no_export_): New field.
3675         * options.cc (General_options::parse_exclude_libs): New method.
3676         (General_options::check_excluded_libs) Same.
3677         * options.h (exclude_libs): New option.
3678         (General_options::check_excluded_libs): New method declaration.
3679         (General_options::excluded_libs_): New field.
3680         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
3681         default or protected visibility if an object has no-export flag set.
3682         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
3683         (check_SCRIPTS): Add exclude_libs_test.sh.
3684         (check_DATA): Add exclude_libs_test.syms.
3685         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
3686         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
3687         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
3688         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
3689         (exclude_libs_test.syms, libexclude_libs_test_1.a,
3690         libexclude_libs_test_2.a): New rules.
3691         * testsuite/Makefile.in: Regenerate.
3692         * testsuite/exclude_libs_test.c: New file.
3693         * testsuite/exclude_libs_test.sh: Ditto.
3694         * testsuite/exclude_libs_test_1.c: Ditto.
3695         * testsuite/exclude_libs_test_2.c: Ditto.
3696
3697 2009-05-15  Ian Lance Taylor  <iant@google.com>
3698
3699         * configure.ac: Check for declarations for cases where libiberty.h
3700         checks HAVE_DECL_xxx.
3701         * configure, config.in: Rebuild.
3702
3703 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
3704
3705         * gold.h (Incremental_argument_list): Remove (invalid) forward
3706         declaration.
3707         * incremental.cc (Incremental_inputs::report_achive): New method.
3708         (Incremental_inputs::report_object): New method.
3709         (Incremental_inputs::report_script): New method.
3710         (Incremental_inputs::finalize_inputs): New method.
3711         (Incremental_inputs::finalize): Call finalize_inputs().
3712         (Incremental_inputs::sized_create_incremental_inputs_section_data):
3713         Create inputs entries.
3714         * incremental.h (Incremental_input_type): New enum.
3715         (Incremental_inputs::Incremental_input): Initialize new fields.
3716         (Incremental_inputs::report_inputs): New method.
3717         (Incremental_inputs::report_achive): New method.
3718         (Incremental_inputs::report_object): New method.
3719         (Incremental_inputs::report_script): New method.
3720         (Incremental_inputs::finalize_inputs): New method.
3721         (Incremental_inputs::Input_info): New struct.
3722         (Incremental_inputs::Input_info_map): New typedef.
3723         (Incremental_inputs::lock_): New field.
3724         (Incremental_inputs::Inputs_): New field.
3725         (Incremental_inputs::Inputs_map): New field.
3726         * main.cc (main): Call Incremental_input::report_inputs.
3727         * options.h (Input_argument_list): Typedef moved from
3728         Input_arguments.
3729         (Input_file_group::Files): Remove, use ::Input_argument_list.
3730         (Input_file_group::Input_argument_list): Remove, use
3731         ::Input_argument_list.
3732         * plugin.cc (Plugin_manager::add_input_file): Add error in
3733         incremental build.
3734         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
3735         functions.
3736         * script.cc (read_input_script): Call
3737         Incremental_input::report_script.
3738         * script.h (Script_info): New class.
3739
3740 2009-04-27  Ian Lance Taylor  <iant@google.com>
3741
3742         * x86_64.cc (do_adjust_output_section): Set entsize to
3743         plt_entry_size.
3744
3745 2009-04-23  Elliott Hughes  <enh@google.com>
3746
3747         * output.cc (Output_file::close): After short writes, continue
3748         writing from the correct offset in the buffer being written.
3749
3750 2009-04-23  Chris Demetriou  <cgd@google.com>
3751
3752         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
3753         * configure: Regenerate.
3754         * config.in: Regenerate.
3755         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
3756         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
3757
3758 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
3759
3760         * incremental.cc (Incremental_inputs_header_data): Renamed from
3761         Incremental_input_header_data.
3762         (Incremental_inputs_header_data::data_size): New field.
3763         (Incremental_inputs_header_data::put_input_file_count): Renamed
3764         from input_file_count.
3765         (Incremental_inputs_header_data::put_command_line_offset): Renamed
3766         from command_line_offset.
3767         (Incremental_inputs_header_data::put_reserved): Renamed from
3768         put_reserved.
3769         (Incremental_inputs_entry_data): Renamed from
3770         Incremental_input_entry_data.
3771         (Incremental_inputs_entry_data::data_size): New field.
3772         (Incremental_inputs::report_command_line): New method.
3773         (Incremental_inputs::finalize): New method.
3774         (Incremental_inputs::create_incremental_inputs_data): New method.
3775         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
3776         * incremental.h: New file.
3777         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
3778        (Layout::finalize): Create incremental inputs section in
3779         incremental builds.
3780        (Layout::create_incremental_info_sections): New method.
3781         * layout.h (Layout::incremental_inputs): New method.
3782        (Layout::create_incremental_info_sections): New method.
3783        (Layout::incremental_inputs_): New field.
3784         * main.cc (main): Notify Incremental_input of the command line.
3785
3786 2009-04-01  Ian Lance Taylor  <iant@google.com>
3787             Mikolaj Zalewski  <mikolajz@google.com>
3788
3789         * gold.h (reserve_unordered_map): Define, three versions, one for
3790         each version of Unordered_map.
3791         * layout.cc (Layout::Layout): Remove options parameter.  Add
3792         number_of_input_files parameter.  Don't initialize options_.
3793         Initialize number_of_input_files_ and resized_signatures_.  Move
3794         sections_are_attached_.
3795         (Layout::layout_group): Reserve space for group_signatures_.
3796         (Layout::find_or_add_kept_section): Change name parameter to be a
3797         reference.  Resize signatures_ map when it gets large enough.
3798         (Layout::layout_eh_frame): Use parameters->options() instead of
3799         this->options_.
3800         (Layout::make_output_section): Likewise.
3801         (Layout::attach_allocated_section_to_segment): Likewise.
3802         (Layout::finalize, Layout::create_executable_stack): Likewise.
3803         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
3804         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
3805         * layout.h (class Layout): Update declarations.  Remove options_
3806         field.  Add number_of_input_files_ and resized_signatures_
3807         fields.  Move sections_are_attached_ field.
3808         * main.cc (main): Pass number of input files to Layout
3809         constructor.  Don't pass options.
3810
3811 2009-03-30  Ian Lance Taylor  <iant@google.com>
3812
3813         * ffsll.c (ffsll): Correct implementation.
3814
3815 2009-03-27  Ian Lance Taylor  <iant@google.com>
3816
3817         * ffsll.c: New file.
3818         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
3819         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
3820         * ftruncate.c (ftruncate): Declare before definition.
3821         * mremap.c (mremap): Likewise.
3822         * pread.c (pread): Likewise.
3823         * configure, Makefile.in, config.in: Rebuild.
3824
3825         * mremap.c: New file.
3826         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
3827         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
3828         (mremap): Declare if HAVE_MREMAP is not defined.
3829         * configure, Makefile.in, config.in: Rebuild.
3830
3831 2009-03-27  Cary Coutant  <ccoutant@google.com>
3832
3833         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
3834         position independent.
3835         * sparc.cc (Target_sparc::check_non_pic): Likewise.
3836         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
3837
3838 2009-03-24  Cary Coutant  <ccoutant@google.com>
3839
3840         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
3841         an executable.
3842         (needs_dynamic_reloc): Likewise.
3843
3844 2009-03-24  Ian Lance Taylor  <iant@google.com>
3845
3846         * yyscript.y (file_cmd): Recognize EXTERN.
3847         (extern_name_list, extern_name_list_body): New nonterminals.
3848         * script.cc (script_add_extern): Define.
3849         * script-c.h (script_add_extern): Declare.
3850
3851 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
3852
3853         * object.cc (is_elf_object): Define.
3854         * object.h (is_elf_object): Declare.
3855         * archive.cc (Archive::get_elf_object_for_member): Call
3856         is_elf_object.
3857         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
3858
3859 2009-03-24  Elliott Hughes  <enh@google.com>
3860
3861         * output.cc (Output_file::map_anonymous): Define.
3862         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
3863         try an anonymous one.  Report the size if the mmap fails.
3864         * output.h (class Output_file): Declare map_anonymous.
3865
3866 2009-03-24  Ian Lance Taylor  <iant@google.com>
3867
3868         * target-select.cc (instantiate_target): Don't acquire the lock if
3869         the instantiated_target_ field has already been set.
3870
3871 2009-03-23  Ian Lance Taylor  <iant@google.com>
3872
3873         * gold-threads.h (class Initialize_lock): Define.
3874         * gold-threads.cc (class Initialize_lock_once): Define.
3875         (initialize_lock_control): New static variable.
3876         (initialize_lock_pointer): New static variable.
3877         (initialize_lock_once): New static function.
3878         (Initialize_lock::Initialize_lock): Define.
3879         (Initialize_lock::initialize): Define.
3880         * target-select.h: Include "gold-threads.h".
3881         (class Target_selector): Add lock_ and initialize_lock_ fields.
3882         Don't define instantiate_target, just declare it.
3883         * target-select.cc (Target_selector::Target_selector): Initialize
3884         new fields.
3885         (Target_selector::instantiate_target): Define.
3886         * descriptors.h: Include "gold-threads.h".
3887         (class Descriptors): Add initialize_lock_ field.
3888         * descriptors.cc (Descriptors::Descriptors): Initialize new
3889         field.
3890         (Descriptors::open): Use initialize_lock_ field
3891         * errors.h (class Errors): Add initialize_lock_ field.
3892         * errors.cc (Errors::Errors): Initialize new field.
3893         (Errors::initialize_lock): Use initialize_lock_ field.
3894         * powerpc.cc (class Target_selector_powerpc): Remove
3895         instantiated_target_ field.  In do_recognize call
3896         instantiate_target rather than do_instantiate_target.  In
3897         do_instantiate_target just allocate a new target.
3898         * sparc.cc (class Target_selector_sparc): Likewise.
3899
3900         * freebsd.h: New file.
3901         * i386.cc: Include "freebsd.h".
3902         (Target_i386): Derive from Target_freebsd rather than
3903         Sized_target.
3904         (Target_selector_i386): Derive from Target_selector_freebsd rather
3905         than Target_selector.
3906         * x86_64.cc: Include "freebsd.h".
3907         (Target_x86_64): Derive from Target_freebsd rather than
3908         Sized_target.
3909         (Target_selector_x86_64): Derive from Target_selector_freebsd
3910         rather than Target_selector.
3911         * target.h (class Target): Add adjust_elf_header and
3912         do_adjust_elf_header.
3913         * output.cc (Output_file_header:: do_sized_write): Call target
3914         adjust_elf_header routine.
3915         * configure.tgt: Set targ_osabi.
3916         * configure.ac: Define GOLD_DEFAULT_OSABI.
3917         * parameters.cc (Parameters::default_target): Pass
3918         GOLD_DEFAULT_OSABI to select_target.
3919         * target-select.h (class Target_selector): Make instantiate_target
3920         protected rather than private.
3921         * Makefile.am (HFILES): Add freebsd.h.
3922         * configure, Makefile.in, config.in: Rebuild.
3923
3924         * merge.cc (do_add_input_section): Correct pend value.  Change
3925         message about last entry not being null terminated from error to
3926         warning.
3927
3928 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
3929
3930         * incremental.cc: New file.
3931         * Makefile.am (CCFILES): Add incremental.cc.
3932         * Makefile.in: Rebuild.
3933
3934 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
3935
3936         * layout.cc (Layout::output_section_name): Preserve names
3937         of '.note.' sections.
3938
3939 2009-03-19  Ian Lance Taylor  <iant@google.com>
3940
3941         * descriptors.cc (Descriptors::open): Check that the options are
3942         valid before using them.
3943
3944 2009-03-18  Ian Lance Taylor  <iant@google.com>
3945
3946         * script-sections.h: Include <list>.
3947         (class Script_sections): Change Sections_elements from std::vector
3948         to std::list.  Typedef public Elements_iterator.  Add
3949         orphan_section_placement_, data_segment_align_start_, and
3950         saw_data_segment_align_ fields.  Remove data_segment_align_index_
3951         field.
3952         * script-sections.cc (class Orphan_section_placement): New class.
3953         (class Sections_element): Add virtual functions is_relro and
3954         orphan_section_init.  Remove virtual function place_orphan_here.
3955         (class Output_section_definition): Add is_relro and
3956         orphan_section_init.  Remove place_orphan_here.
3957         (class Orphan_output_section): Likewise.
3958         (Script_sections::Script_sections): Update for field changes.
3959         (Script_sections::data_segment_align): Set saw_data_segment_align_
3960         and data_segment_align_start_, not data_segment_align_index.
3961         (Script_sections::data_segment_relro_end): Check
3962         saw_data_segment_align_.  Use data_segment_align_start_ rather
3963         than data_segment_align_index_.
3964         (Script_sections::place_orphan): Rewrite to use
3965         Orphan_section_placement.
3966
3967 2009-03-17  Ian Lance Taylor  <iant@google.com>
3968
3969         * archive.cc (Archive::add_symbols): Check for a version attached
3970         to the symbol name in the archive map.
3971         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
3972         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
3973         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
3974         (ver_test_11.a): New target.
3975         * testsuite/Makefile.in: Rebuild.
3976
3977         * configure.ac: Check for chsize and posix_fallocate.  Replace
3978         ftruncate.
3979         * ftruncate.c: New file, from gnulib.
3980         * output.cc (posix_fallocate): Define dummy version if not
3981         HAVE_POSIX_FALLOCATE.
3982         (Output_file::map): Call posix_fallocate rather than lseek and
3983         write.
3984         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
3985         * configure, Makefile.in, config.in: Rebuild.
3986
3987 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
3988
3989         * layout.h (Layout::create_note): Add section_name parameter.
3990         * layout.cc (Layout::create_note): Likewise.
3991         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
3992
3993 2009-03-17  Ian Lance Taylor  <iant@google.com>
3994
3995         * descriptors.cc: Include "options.h".
3996         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
3997         (Descriptors::open): Always use O_CLOEXEC when opening a new
3998         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
3999         then set FD_CLOEXEC.
4000
4001         * sparc.cc (class Target_sparc): Add has_got_section.
4002         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4003         make sure we have a GOT section.
4004
4005         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4006         (Target_sparc::Scan::local): Likewise.
4007         (Target_sparc::Scan::global): Likewise.
4008         (Target_sparc::Relocate::relocate): Likewise.
4009         (Target_sparc::Relocate::relocate_tls): Likewise.
4010
4011         * symtab.cc (Symbol_table::define_default_version): New function,
4012         broken out of add_from_object.
4013         (Symbol_table::add_from_object): Call define_default_version.
4014         (Symbol_table::define_special_symbol): Add resolve_oldsym
4015         parameter.  Change all callers.  If the version for a symbol comes
4016         from a version script, resolve it with the symbol with the same
4017         name with no version.  Also add the symbol without a version if
4018         appropriate.
4019         (do_define_in_output_data): If resolving with oldsym, don't delete
4020         sym.
4021         (do_define_in_output_segment): Likewise.
4022         (do_define_as_constant): Likewise.
4023         * symtab.h (class Symbol_table): Update declarations.
4024
4025 2009-03-13  Ian Lance Taylor  <iant@google.com>
4026
4027         * readsyms.cc (Read_symbols::incompatible_warning): New function.
4028         (Read_symbols::requeue): New function.
4029         (Read_symbols::do_read_symbols): If make_elf_object fails because
4030         the target type is not configured, and the file was searched for,
4031         issue a warning and retry with the next directory.
4032         (Add_symbols::run): If the file has an incompatible format, and
4033         it was searched for, requeue the Read_symbols task.  On error,
4034         release the object.
4035         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
4036         dirindex parameter to constructor.  Change all callers.  Declare
4037         incompatible_warning and requeue.
4038         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4039         input_argument_ and input_group_ fields.  Add them to
4040         constructor.  Change all callers.
4041         (class Read_script): Add dirindex_ field.  Add it to constructor.
4042         Change all callers.
4043         * archive.cc (Archive::setup): Remove input_objects parameter.
4044         Change all callers.
4045         (Archive::get_file_and_offset): Likewise.
4046         (Archive::read_all_symbols): Likewise.
4047         (Archive::read_symbols): Likewise.
4048         (Archive::get_elf_object_for_member): Remove input_objects
4049         parameter.  Add punconfigured parameter.  Change all callers.
4050         (Archive::add_symbols): Change return type to bool.  Check return
4051         value of include_member.
4052         (Archive::include_all_members): Likewise.
4053         (Archive::include_member): Change return type to bool.  Return
4054         false if first included object has incompatible target.  Set
4055         included_member_ field.
4056         (Add_archive_symbols::run): If add_symbols returns false, requeue
4057         Read_symbols task.
4058         * archive.h (class Archive): Add included_member_ field.
4059         Initialize it in constructor.  Add input_file and searched_for
4060         methods.  Update declarations.
4061         (class Add_archive_symbols): Add dirpath_, dirindex_, and
4062         input_argument_ fields.  Add them to constructor.  Change all
4063         callers.
4064         * script.cc: Include "target-select.h".
4065         (class Parser_closure): Add skip_on_incompatible_target_ and
4066         found_incompatible_target_ fields.  Add
4067         skip_on_incompatible_target parameter to constructor.  Change all
4068         callers.  Add methods skip_on_incompatible_target,
4069         clear_skip_on_incompatible_target, found_incompatible_target, and
4070         set_found_incompatible_target.
4071         (read_input_script): Add dirindex parameter.  Change all callers.
4072         If parser finds an incompatible target, requeue Read_symbols
4073         task.
4074         (script_set_symbol): Clear skip_on_incompatible_target in
4075         closure.
4076         (script_add_assertion, script_parse_option): Likewise.
4077         (script_start_sections, script_add_phdr): Likewise.
4078         (script_check_output_format): New function.
4079         * script.h (read_input_script): Update declaration.
4080         * script-c.h (script_check_output_format): Declare.
4081         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4082         (ignore_cmd): Remove OUTPUT_FORMAT.
4083         * fileread.cc (Input_file::Input_file): Add explicit this.
4084         (Input_file::will_search_for): New function.
4085         (Input_file::open): Add pindex parameter.  Change all callers.
4086         * fileread.h (class Input_file): Add input_file_argument method.
4087         Declare will_search_for.  Update declarations.
4088         * object.cc (make_elf_object): Add punconfigured parameter.
4089         Change all callers.
4090         * object.h (class Object): Make input_file public.  Add
4091         searched_for method.
4092         (make_elf_object): Update declaration.
4093         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
4094         restart search.
4095         * dirsearch.h (class Dirsearch): Update declaration.
4096         * options.h (class General_options): Add --warn-search-mismatch.
4097         * parameters.cc (Parameters::is_compatible_target): New function.
4098         * parameters.h (class Parameters): Declare is_compatible_target.
4099         * workqueue.cc (Workqueue::add_blocker): New function.
4100         * workqueue.h (class Workqueue): Declare add_blocker.
4101
4102         * fileread.cc (Input_file::open): Remove options parameter.
4103         Change all callers.
4104         (Input_file::open_binary): Likewise.
4105         * script.cc (read_input_script): Likewise.
4106         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
4107         options parameter from constructor.  Change all callers.
4108         (class Read_script): Likewise.
4109         * fileread.h (class Input_file): Update declarations.
4110         * script.h (read_input_script): Update declaration.
4111
4112 2009-03-10  Nick Clifton  <nickc@redhat.com>
4113
4114         * po/es.po: New Spanish translation.
4115
4116 2009-03-06  Cary Coutant  <ccoutant@google.com>
4117
4118         * options.cc (parse_short_option): Keep dash_z from registering itself.
4119
4120 2009-03-03  Ian Lance Taylor  <iant@google.com>
4121
4122         PR 9918
4123         * target-reloc.h (relocate_section): Pass output_section to
4124         relocate.
4125         * i386.cc (Target_i386::should_apply_static_reloc): Add
4126         output_section parameter.  Change all callers.
4127         (Target_i386::Relocate::relocate): Add output_section parameter.
4128         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4129         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4130         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4131         * testsuite/two_file_shared.sh: New script.
4132         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4133         (check_DATA): Add two_file_shared.dbg.
4134         (two_file_shared.dbg): New target.
4135         * testsuite/Makefile.in: Rebuild.
4136
4137 2009-03-01  Ian Lance Taylor  <iant@google.com>
4138
4139         * configure.ac: Check for byteswap.h.
4140         * configure: Rebuild.
4141         * config.in: Rebuild.
4142
4143 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
4144
4145         * layout.cc (Layout::find_or_add_kept_section): New function.
4146         (Layout::add_comdat): Removed.
4147         * layout.h (struct Kept_section): Move out of class Layout.
4148         Remove trailing underscores from field names.  Add group_sections
4149         field.  Rename group_ field to is_group.  Change all uses.
4150         (class Layout): Declare find_or_add_kept_section, not add_comdat.
4151         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4152         comdat_groups_ field.
4153         (Sized_relobj::include_section_group): Use
4154         find_or_add_kept_section and Kept_section::group_sections.
4155         (Sized_relobj::include_linkonce_section): Likewise.
4156         * object.cc (class Sized_relobj): Don't define Comdat_group or
4157         Comdat_group_table.  Remove find_comdat_group and
4158         add_comdat_group.  Remove comdat_groups_ field.
4159         * plugin.cc (include_comdat_group): Use
4160         Layout::find_or_add_kept_section.
4161
4162 2009-02-28  Ian Lance Taylor  <iant@google.com>
4163
4164         * README: --gc-sections and map files are now supported.  Document
4165         some build requirements.
4166
4167         PR 6992
4168         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4169         relocatable link set the value of the section symbol to zero.
4170         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4171         relocatable link don't include the section address in the local
4172         symbol value.
4173
4174 2009-02-27  Ian Lance Taylor  <iant@google.com>
4175
4176         PR 6811
4177         * options.h (class Search_directory): Add is_system_directory.
4178         (class General_options): Declare is_in_system_directory.
4179         * options.cc (get_relative_sysroot): Make static.
4180         (get_default_sysroot): Make static.
4181         (General_optoins::is_in_system_directory): New function.
4182         * fileread.cc (Input_file::is_in_system_directory): New function.
4183         * fileread.h (class Input_file): Declare is_in_system_directory.
4184         * object.h (class Object): Add is_in_system_directory.
4185         (class Input_objects): Remove system_library_directory_ field.
4186         * object.cc (Input_objects::add_object): Don't set
4187         system_library_directory_.
4188         (input_objects::found_in_system_library_directory): Remove.
4189         * symtab.cc (Symbol_table::write_globals): Remove input_objects
4190         parameter.  Change all callers.
4191         (Symbol_table::sized_write_globals): Likewise.
4192         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
4193         Call Object::is_in_system_directory.
4194         * symtab.h (class Symbol_table): Update declarations.
4195
4196         PR 5990
4197         * descriptors.h (Open_descriptor): Add is_on_stack field.
4198         * descriptors.cc (Descriptors::open): If the descriptor is on the
4199         top of the stack, remove it.  Initialize is_on_stack field.
4200         (Descriptors::release): Only add pod to stack if it is not on the
4201         stack already.
4202         (Descriptors::close_some_descriptor): Clear stack_next and
4203         is_on_stack fields.
4204
4205         PR 7091
4206         * output.cc (Output_section::find_starting_output_address): Rename
4207         from starting_output_address; add PADDR parameter; change return
4208         type.
4209         * output.h (class Output_section): Declare
4210         find_starting_output_address instead of starting_output_address.
4211         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
4212         section symbol for which we can't find a merge section.
4213
4214         PR 9836
4215         * symtab.cc (Symbol_table::add_from_object): If the visibility is
4216         hidden or internal, force the symbol to be local.
4217         * resolve.cc (Symbol::override_visibility): Define.
4218         (Symbol::override_base): Use override_visibility.
4219         (Symbol_table::resolve): Likewise.
4220         (Symbol::override_base_with_special): Likewise.
4221         (Symbol_table::override_with_special): If the visibility is hidden
4222         or internal, force the symbol to be local.
4223         * symtab.h (class Symbol): Add set_visibility and
4224         override_visibility.
4225         * testsuite/ver_test_1.sh: New file.
4226         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
4227         (check_DATA): Add ver_test_1.syms.
4228         (ver_test_1.syms): New target.
4229         * testsuite/Makefile.in: Rebuild.
4230
4231 2009-02-25  Cary Coutant  <ccoutant@google.com>
4232
4233         * layout.cc (Layout::choose_output_section): Don't rename sections
4234         when using a linker script that has a SECTIONS clause.
4235         * Makefile.in: Regenerate.
4236
4237         * testsuite/Makefile.am (script_test_5.sh): New test case.
4238         * testsuite/Makefile.in: Regenerate.
4239         * testsuite/script_test_5.cc: New file.
4240         * testsuite/script_test_5.sh: New file.
4241         * testsuite/script_test_5.t: New file.
4242
4243 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
4244
4245         * archive.cc (Archive::include_member): Update calls to add_symbols.
4246         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
4247         the Layout argument.
4248         * dynobj.h (do_add_symbols): Add the Layout argument.
4249         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
4250         Layout argument.
4251         * object.h (Object::add_symbols): Add the Layout argument.
4252         (Object::do_add_symbols): Add the Layout argument.
4253         (Sized_relobj::do_add_symbols): Add the Layout argument.
4254         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
4255         Unify the two versions.
4256         (Add_plugin_symbols): Remove.
4257         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
4258         (Sized_pluginobj::do_add_symbols): Unify the two versions.
4259         (Add_plugin_symbols): Remove.
4260         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
4261         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
4262         (Add_symbols::run): Make it work with Pulginobj.
4263
4264 2009-02-06  Ian Lance Taylor  <iant@google.com>
4265
4266         * object.cc (Sized_relobj::do_layout): Make info message start
4267         with lower case letter.
4268
4269 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
4270
4271         * binary.cc: Fix file comment.
4272
4273         * options.h (enum Incremental_disposition): Define.
4274         (class General_options): Add new options: --incremental,
4275         --incremental_changed, --incremental_unchanged,
4276         --incremental_unknown.  Add incremental_disposition_ and
4277         implicit_incremental_ fields.
4278         (General_options::incremental_disposition): New function.
4279         (class Position_dependent_options): Add incremental_disposition
4280         option.
4281         (Position_dependent_options::copy_from_options): Set incremental
4282         dispositions.
4283         * options.cc (General_options::parse_incremental_changed): New
4284         function.
4285         (General_options::parse_incremental_unchanged): New function.
4286         (General_options::parse_incremental_unknown): New function.
4287         (General_options::General_options): Initialize new fields
4288         incremental_disposition_ and implicit_incremental_.
4289         (General_options::finalize): Check for uasge of --incremental-*
4290         without --incremental.
4291
4292 2009-02-06  Chris Demetriou  <cgd@google.com>
4293
4294         * gold.h (gold_undefined_symbol): Change to take only a Symbol
4295         pointer and to report location as the file name associated with
4296         the symbol.
4297         (gold_undefined_symbol_at_location): New function to replace the
4298         old gold_undefined_symbol functionality.
4299         * target-reloc.h (relocate_section): Update to use
4300         gold_undefined_symbol_at_location.
4301         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4302         Call gold_undefined_symbol function rather than gold_error.
4303         * errors.h (Errors::undefined_symbol): Take location as a
4304         string, rather than calculating it from a relocation.
4305         * errors.cc (Errors::fatal): Print "fatal error:" before the
4306         formatted message.
4307         (Errors::error, Errors::error_at_location): Print "error: "
4308         before the formatted message.
4309         (Errors::undefined_symbol): Take location as a string, rather
4310         than calculating it from a relocation.
4311         (gold_undefined_symbol_at_location): New function akin to
4312         old gold_undefined_symbol, calculates location from relocation.
4313         (gold_undefined_symbol): Change to take only a Symbol pointer
4314         and to report location as the file name associated with the symbol.
4315         * testsuite/debug_msg.sh: Update for changed error messages.
4316         * testsuite/undef_symbol.sh: Likewise.
4317
4318 2009-02-04  Duncan Sands  <baldrick@free.fr>
4319
4320         PR 9812
4321         * reduced_debug_output.h
4322         (Output_reduced_debug_abbrev_section::failed): Use format for
4323         gold_warning.
4324         (Output_reduced_debug_info_section::faild): Likewise.
4325
4326 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
4327
4328         * script.cc (Lazy_demangler): New class.
4329         (Version_script_info::get_symbol_version_helper): Demangle a
4330         symbol only once.
4331
4332 2009-01-29  Cary Coutant  <ccoutant@google.com>
4333
4334         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
4335         to __tls_get_addr.
4336         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4337
4338 2009-01-28  Ian Lance Taylor  <iant@google.com>
4339
4340         * version.cc (version_string): Bump to 1.9.
4341
4342         * gold.h: Include <cstring> and <stdint.h>.
4343         * version.cc: Include <cstdio>.
4344         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
4345         warning.
4346         * reduced_debug_output.cc (insert_into_vector): Rename from
4347         Insert_into_vector; change all callers.  Use Swap_unaligned to
4348         avoid aliasing issue; remove union since it is unnecessary.
4349
4350 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
4351
4352         * Makefile.am (CCFILES): Add gc.cc.
4353         (HFILES): Add gc.h.
4354         * Makefile.in: Regenerate.
4355         * gold.cc (Gc_runner): New class.
4356         (queue_initial_tasks): Call garbage collection related tasks
4357         when corresponding options are invoked.
4358         (queue_middle_gc_tasks): New function.
4359         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
4360         processed early before laying out sections during garbage collection.
4361         * gold.h (queue_middle_gc_tasks): New function.
4362         (is_prefix_of): Move from "layout.cc".
4363         * i386.cc (Target_i386::gc_process_relocs): New function.
4364         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
4365         * main.cc (main): Create object of class "Garbage_collection".
4366         * object.cc (Relobj::copy_symbols_data): New function.
4367         (Relobj::is_section_name_included): New function.
4368         (Sized_relobj::do_layout): Allow this function to be called twice
4369         during garbage collection and defer layout of section during the
4370         first call.
4371         * object.h (Relobj::get_symbols_data): New function.
4372         (Relobj::is_section_name_included): New function.
4373         (Relobj::copy_symbols_data): New function.
4374         (Relobj::set_symbols_data): New function.
4375         (Relobj::get_relocs_data): New function.
4376         (Relobj::set_relocs_data): New function.
4377         (Relobj::is_output_section_offset_invalid): New pure virtual function.
4378         (Relobj::gc_process_relocs): New function.
4379         (Relobj::do_gc_process_relocs): New pure virtual function.
4380         (Relobj::sd_): New data member.
4381         (Sized_relobj::is_output_section_offset_invalid): New function.
4382         (Sized_relobj::do_gc_process_relocs): New function.
4383         * options.h (General_options::gc_sections): Modify to not be a no-op.
4384         (General_options::print_gc_sections): New option.
4385         * plugin.cc (Plugin_finish::run): Remove function call to
4386         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
4387         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
4388         * reloc.cc (Read_relocs::run): Add task to process relocs and
4389         determine unreferenced sections when doing garbage collection.
4390         (Gc_process_relocs): New class.
4391         (Sized_relobj::do_gc_process_relocs): New function.
4392         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
4393         sections that are garbage collected.
4394         * reloc.h (Gc_process_relocs): New class.
4395         * sparc.cc (Target_sparc::gc_process_relocs): New function.
4396         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
4397         symbols whose corresponding sections are garbage collected.
4398         (Symbol_table::Symbol_table): Add new parameter for the garbage
4399         collection object.
4400         (Symbol_table::gc_mark_undef_symbols): New function.
4401         (Symbol_table::gc_mark_symbol_for_shlib): New function.
4402         (Symbol_table::gc_mark_dyn_syms): New function.
4403         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
4404         as garbage.
4405         (Symbol_table::add_from_object): Likewise.
4406         (Symbol_table::add_from_relobj): When building shared objects, do not
4407         treat externally visible symbols as garbage.
4408         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
4409         table information for static and relocatable links.
4410         * symtab.h (Symbol_table::set_gc): New function.
4411         (Symbol_table::gc): New function.
4412         (Symbol_table::gc_mark_undef_symbols): New function.
4413         (Symbol_table::gc_mark_symbol_for_shlib): New function.
4414         (Symbol_table::gc_mark_dyn_syms): New function.
4415         (Symbol_table::gc_): New data member.
4416         * target.h (Sized_target::gc_process_relocs): New pure virtual
4417         function.
4418         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
4419         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
4420
4421 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
4422
4423         * options.h (General_options::gc_sections): Define as a no-op for now.
4424         (General_options::no_keep_memory): Ditto.
4425         (General_options::Bshareable): Define.
4426         * options.cc (General_options::finalize): Honor -Bshareable.
4427
4428 2009-01-20  Andreas Schwab  <schwab@suse.de>
4429
4430         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
4431         read the value in the contents, since we don't use it.  Use the
4432         template endianness when writing.
4433         (Relocate::relocate): Use it for R_PPC_REL16_HA.
4434
4435 2009-01-19  Andreas Schwab  <schwab@suse.de>
4436
4437         * configure.tgt (powerpc64-*): Fix targ_obj.
4438
4439 2009-01-15  Ian Lance Taylor  <iant@google.com>
4440
4441         * object.cc (Sized_relobj::write_local_symbols): Don't write out
4442         local symbols when stripping all symbols.
4443
4444 2009-01-14  Cary Coutant  <ccoutant@google.com>
4445
4446         * output.cc (Output_reloc): Add explicit instantiations.
4447
4448 2009-01-14  Cary Coutant  <ccoutant@google.com>
4449
4450         * archive.cc (Archive::get_elf_object_for_member): Remove call
4451         to File_read::claim_for_plugin.
4452         * descriptors.cc (Descriptors::open): Remove reference to
4453         is_claimed.
4454         (Descriptors::claim_for_plugin): Remove.
4455         * descriptors.h (Descriptors::claim_for_plugin): Remove.
4456         (Descriptors::is_claimed): Remove.
4457         (claim_descriptor_for_plugin): Remove.
4458         * fileread.cc (File_read::claim_for_plugin): Remove.
4459         * fileread.h (File_read::claim_for_plugin): Remove.
4460         (File_read::descriptor): Reopen descriptor if necessary.
4461         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
4462         (Plugin_manager::all_symbols_read): Add task parameter. Change
4463         all callers.
4464         (Plugin_manager::get_input_file): New function.
4465         (Plugin_manager::release_input_file): New function.
4466         (Pluginobj::Pluginobj): Add filesize parameter and initialize
4467         corresponding data member.
4468         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
4469         and pass to base constructor. Change all callers.
4470         (get_input_file, release_input_file): New functions.
4471         (make_sized_plugin_object): Add filesize parameter. Change all callers.
4472         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
4473         (Plugin_manager::all_symbols_read): Add task parameter.
4474         (Plugin_manager::get_input_file): New function.
4475         (Plugin_manager::release_input_file): New function.
4476         (Plugin_manager::task_): New data member.
4477         (Pluginobj::Pluginobj): Add filesize parameter.
4478         (Pluginobj::filename): New function.
4479         (Pluginobj::descriptor): New function.
4480         (Pluginobj::filesize): New function.
4481         (Pluginobj::filesize_): New data member.
4482         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
4483         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
4484         File_read::claim_for_plugin; use Object::unlock to unlock the file.
4485
4486         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
4487         with archive libraries.
4488         * testsuite/Makefile.in: Regenerate.
4489         * testsuite/plugin_test.c (struct sym_info): New type.
4490         (get_input_file, release_input_file): New static variables.
4491         (onload): Capture new transfer vector entries.
4492         (claim_file_hook): Stop reading at end of file according to filesize.
4493         Factor out parsing of readelf output into separate function.
4494         (all_symbols_read_hook): Exercise get_input_file and release_input_file
4495         APIs and get the source file name from the symbol table.  Convert
4496         source file name to corresponding object file name.  Print info
4497         message when adding new input files.
4498         (parse_readelf_line): New function.
4499         * testsuite/plugin_test_1.sh: Add checks for new info messages.
4500         * testsuite/plugin_test_2.sh: Likewise.
4501         * testsuite/plugin_test_3.sh: Likewise.
4502         * testsuite/plugin_test_4.sh: New test case.
4503
4504 2009-01-07  Ian Lance Taylor  <iant@google.com>
4505
4506         * version.cc (version_string): Bump to 1.8.
4507
4508 2008-12-23  Cary Coutant  <ccoutant@google.com>
4509
4510         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
4511         * plugin.cc (Plugin_manager::finish): Rename as
4512         layout_deferred_objects.  Move cleanup to separate function.
4513         (Plugin_manager::cleanup): New function.
4514         (Plugin_finish::run): Call layout_deferred_objects and cleanup
4515         separately.
4516         * plugin.h (Plugin_manager::finish): Rename as
4517         layout_deferred_objects.
4518         (Plugin_manager::cleanup): New function.
4519         (Plugin_manager::cleanup_done): New field.
4520
4521 2008-12-23  Cary Coutant  <ccoutant@google.com>
4522
4523         * plugin.cc (is_visible_from_outside): New function.
4524         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
4525         so we don't return "IR only" status for exported symbols or -r links.
4526
4527         * testsuite/Makefile.am (plugin_test_3): New test case.
4528         * testsuite/Makefile.in: Regenerate.
4529         * testsuite/plugin_test_3.sh: New file.
4530
4531 2008-12-22  Cary Coutant  <ccoutant@google.com>
4532
4533         * object.cc (Sized_relobj::layout_section): New function.
4534         (Sized_relobj::do_layout): Defer layout of input sections until after
4535         plugin has provided replacement files.
4536         (Sized_relobj::do_layout_deferred_sections): New function.
4537         * object.h (Relobj::set_section_offset): Remove virtual keyword.
4538         (Relobj::layout_deferred_sections): New function.
4539         (Relobj::do_layout_deferred_sections): New function.
4540         (Sized_relobj::do_layout_deferred_sections): New function.
4541         (Sized_relobj::layout_section): New function.
4542         (Sized_relobj::Deferred_layout): New structure.
4543         (Sized_relobj::deferred_layout_): New field.
4544         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
4545         Change all callers.  Layout deferred sections.
4546         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
4547         references.
4548         (Plugin_hook::run): Move code from do_plugin_hook inline.
4549         (Plugin_hook::do_plugin_hook): Remove.
4550         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
4551         (Plugin_manager::finish): Renamed, was cleanup.
4552         (Plugin_manager::should_defer_layout): New function.
4553         (Plugin_manager::add_deferred_layout_object): New function.
4554         (Plugin_manager::Deferred_layout_list): New type.
4555         (Plugin_manager::deferred_layout_objects_): New field.
4556         (Plugin_hook::do_plugin_hook): Remove.
4557
4558 2008-12-17  Ian Lance Taylor  <iant@google.com>
4559
4560         * options.h (class General_options): Add --no case for
4561         --export-dynamic.
4562
4563 2008-12-16  Cary Coutant  <ccoutant@google.com>
4564
4565         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
4566         vector.
4567         (Plugin_manager::claim_file): Create plugin object even if
4568         plugin did not call the add_symbols callback.
4569         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
4570         asking for more symbols than were added.
4571         * testsuite/Makefile.am (plugin_test_1): Add test case with
4572         no global symbols.
4573         (empty.syms): New target.
4574         * testsuite/Makefile.in: Regenerate.
4575         * testsuite/plugin_test.c (claim_file_hook): Add new debug
4576         message. Don't call add_symbols if no globals.
4577         (all_symbols_read_hook): Don't provide replacement for empty
4578         claimed file.
4579
4580 2008-12-12  Ian Lance Taylor  <iant@google.com>
4581
4582         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
4583         r_type == 0 for a local symbol with r_sym == 0.
4584         (scan_relocatable_relocs): Pass r_sym to
4585         local_non_section_strategy.
4586         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
4587         r_sym parameter.
4588
4589         * configure.ac: Update test for TLS descriptors: they are
4590         supported as of glibc 2.9.
4591         * configure: Rebuild.
4592
4593 2008-12-11  Ian Lance Taylor  <iant@google.com>
4594
4595         PR 7091
4596         * target-reloc.h (Default_scan_relocatable_relocs): For each
4597         function, map r_type == 0 to RELOC_DISCARD.
4598
4599 2008-12-10  Cary Coutant  <ccoutant@google.com>
4600
4601         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
4602         object to override a kept COMDAT group from a plugin object.
4603
4604 2008-12-09  Ian Lance Taylor  <iant@google.com>
4605
4606         PR 7088
4607         * yyscript.y (file_cmd): Handle INPUT.
4608
4609         * testsuite/initpri1.c: Change all declarations to be full
4610         prototypes by adding void, to avoid compiler warnings.
4611
4612 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
4613
4614         * options.cc (General_options::parse_plugin_opt): New.
4615         (General_options::add_plugin): The argument now is just the filename.
4616         (General_options::add_plugin_option): New.
4617         * options.h (plugin_opt): New.
4618         (add_plugin): Change argument name.
4619         (add_plugin_option): New.
4620         * plugin.cc (Plugin::load): Don't parse the plugin option.
4621         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
4622         (Plugin::add_option): New.
4623         (Plugin::args_): Change type.
4624         (Plugin::filename_): New.
4625         (Plugin_manager::add_plugin_option): New.
4626         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
4627         * testsuite/Makefile.in: Regenerate.
4628
4629 2008-12-05  Cary Coutant  <ccoutant@google.com>
4630
4631         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
4632         Handle --strip-lto-sections option.
4633         * options.h (strip_lto_sections): New option.
4634
4635 2008-12-01  Cary Coutant  <ccoutant@google.com>
4636
4637         * plugin.cc (ld_plugin_message): Change format parameter to const.
4638         Fix mismatch between new[] and delete.
4639
4640 2008-11-14  Cary Coutant  <ccoutant@google.com>
4641
4642         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
4643         instead of -1U.
4644
4645 2008-11-05  Craig Silverstein  <csilvers@google.com>
4646
4647         * options.cc (General_options::parse_dynamic_list): New function.
4648         * options.h (General_options): New flags dynamic_list,
4649         dynamic_list_data, dynamic_list_cpp_new, and
4650         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
4651         (General_options::in_dynamic_list): New function.
4652         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
4653         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
4654         (Lex::can_continue_name): Likewise.
4655         (yylex): Likewise.
4656         (read_script_file): New parameter script_options.
4657         (read_dynamic_list): New function.
4658         (Script_options::define_dynamic_list): New function.
4659         (dynamic_list_keyword_parsecodes): New variable.
4660         (dynamic_list_keywords): New variable.
4661         * script.h (Script_options::define_dynamic_list): New function
4662         prototype.
4663         (read_dynamic_list): New function prototype.
4664         * symtab.cc (strprefix): New macro.
4665         (Symbol::should_add_dynsym_entry): Support dynamic_list,
4666         dynamic_list_data, dynamic_list_cpp_new, and
4667         dynamic_list_cpp_typeinfo.
4668         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
4669         (dynamic_list_expr): New rule.
4670         (dynamic_list_nodes): Likewise.
4671         (dynamic_list_node): Likewise.
4672         * testsuite/Makefile.am (dynamic_list): New test.
4673         * testsuite/Makefile.in: Regenerated.
4674         * testsuite/dynamic_list.t: New file.
4675         * testsuite/dynamic_list.sh: New file.
4676
4677 2008-11-05  Craig Silverstein  <csilvers@google.com>
4678
4679         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
4680         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
4681         (t11_last): Likewise.
4682         * testsuite/ver_test_6.c (main): Likewise.
4683
4684 2008-10-07  Cary Coutant  <ccoutant@google.com>
4685
4686         * options.c (General_options::finalize): Add check for -static and
4687         -shared.
4688         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
4689         is not empty.
4690
4691 2008-10-02  Cary Coutant  <ccoutant@google.com>
4692
4693         * plugin.cc (make_sized_plugin_object): Fix conditional
4694         compilation to work when not all targets are enabled.
4695
4696 2008-09-29  Cary Coutant  <ccoutant@google.com>
4697
4698         * archive.cc (Archive::get_file_and_offset): Use filename instead
4699         of name to get library path.
4700         (Archive::include_member): Unlock external member of a thin archive.
4701
4702         * testsuite/Makefile.am (TEST_AR): New variable.
4703         (thin_archive_test_1): New test.
4704         (thin_archive_test_2): New test.
4705         * testsuite/Makefile.in: Regenerate.
4706         * testsuite/thin_archive_main.cc: New file.
4707         * testsuite/thin_archive_test_1.cc: New file.
4708         * testsuite/thin_archive_test_2.cc: New file.
4709         * testsuite/thin_archive_test_3.cc: New file.
4710         * testsuite/thin_archive_test_4.cc: New file.
4711
4712 2008-09-29  Cary Coutant  <ccoutant@google.com>
4713
4714         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
4715         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
4716         instead of -1U.
4717         (Sized_relobj::do_finalize_local_symbols): Likewise.
4718         (Sized_relobj::map_to_kept_section): Likewise.
4719         * object.h (Sized_relobj::invalid_address): New constant.
4720         (Sized_relobj::do_output_section_offset): Check for invalid_address
4721         and return -1ULL.
4722         * output.cc (Output_reloc::local_section_offset): Use constant
4723         invalid_address instead of -1U.
4724         (Output_reloc::get_address): Likewise.
4725         (Output_section::output_address): Change -1U to -1ULL.
4726         * output.h (Output_reloc::invalid_address): New constant.
4727         * reloc.cc (Sized_relobj::write_sections): Use constant
4728         invalid_address instead of -1U.
4729         (Sized_relobj::relocate_sections): Likewise.
4730         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
4731         values for merge sections.
4732         * target-reloc.h (relocate_for_relocatable): Use constant
4733         invalid_address instead of -1U.
4734
4735 2008-09-19  Cary Coutant  <ccoutant@google.com>
4736
4737         Add plugin functionality for link-time optimization (LTO).
4738         * configure.ac (plugins): Add --enable-plugins option.
4739         * configure: Regenerate.
4740         * config.in: Regenerate.
4741         * Makefile.am (LIBDL): New variable.
4742         (CCFILES): Add plugin.cc.
4743         (HFILES): Add plugin.h.
4744         (ldadd_var): Add LIBDL.
4745         * Makefile.in: Regenerate.
4746
4747         * archive.cc: Include "plugin.h".
4748         (Archive::setup): Don't preread archive symbols when using a plugin.
4749         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
4750         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
4751         files.
4752         (Archive::include_member): Add symbols from plugin objects.
4753         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
4754         * descriptors.cc (Descriptors::open): Check for file descriptors
4755         abandoned by plugins.
4756         (Descriptors::claim_for_plugin): New function.
4757         * descriptors.h (Descriptors::claim_for_plugin): New function.
4758         (Open_descriptor::is_claimed): New field.
4759         (claim_descriptor_for_plugin): New function.
4760         * fileread.cc (File_read::claim_for_plugin): New function.
4761         * fileread.h (File_read::claim_for_plugin): New function.
4762         (File_read::descriptor): New function.
4763         * gold.cc: Include "plugin.h".
4764         (queue_initial_tasks): Add task to call plugin hooks for generating
4765         new object files.
4766         * main.cc: Include "plugin.h".
4767         (main): Load plugin libraries.
4768         * object.h (Pluginobj): Declare.
4769         (Object::pluginobj): New function.
4770         (Object::do_pluginobj): New function.
4771         (Object::set_target): New function.
4772         * options.cc: Include "plugin.h".
4773         (General_options::parse_plugin): New function.
4774         (General_options::General_options): Initialize plugins_ field.
4775         (General_options::add_plugin): New function.
4776         * options.h (Plugin_manager): Declare.
4777         (General_options): Add --plugin option.
4778         (General_options::has_plugins): New function.
4779         (General_options::plugins): New function.
4780         (General_options::add_plugin): New function.
4781         (General_options::plugins_): New field.
4782         * plugin.cc: New file.
4783         * plugin.h: New file.
4784         * readsyms.cc: Include "plugin.h".
4785         (Read_symbols::do_read_symbols): Check for archive before checking
4786         for ELF file.  Call plugin hooks to claim files.
4787         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
4788         from a real object file; force override when processing replacement
4789         files.
4790         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
4791         (Symbol::init_base_object): Likewise.
4792         (Symbol::init_base_output_data): Likewise.
4793         (Symbol::init_base_output_segment): Likewise.
4794         (Symbol::init_base_constant): Likewise.
4795         (Symbol::init_base_undefined): Likewise.
4796         (Symbol::output_section): Assert that object is not a plugin.
4797         (Symbol_table::add_from_pluginobj): New function.
4798         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
4799         undefined.
4800         (Symbol_table::sized_write_globals): Likewise.
4801         (Symbol_table::add_from_pluginobj): Instantiate template.
4802         * symtab.h (Sized_pluginobj): Declare.
4803         (Symbol::in_real_elf): New function.
4804         (Symbol::set_in_real_elf): New function.
4805         (Symbol::in_real_elf_): New field.
4806         (Symbol_table::add_from_pluginobj): New function.
4807
4808         * testsuite/Makefile.am (AM_CFLAGS): New variable.
4809         (LIBDL): New variable.
4810         (LDADD): Add LIBDL.
4811         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
4812         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
4813         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
4814         (MOSTLYCLEANFILES): Likewise.
4815         * testsuite/Makefile.in: Regenerate.
4816         * testsuite/plugin_test.c: New file.
4817         * testsuite/plugin_test_1.sh: New file.
4818         * testsuite/plugin_test_2.sh: New file.
4819
4820 2008-09-16  Ian Lance Taylor  <iant@google.com>
4821
4822         * target-reloc.h (relocate_section): Check whether a symbol is
4823         defined by the ABI before reporting an undefined symbol error.
4824         * target.h (Target::is_defined_by_abi): Make parameter const.
4825         (Target::do_is_defined_by_abi): Likewise.
4826         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
4827         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
4828         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
4829         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
4830         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
4831         * testsuite/Makefile.in: Rebuild.
4832
4833         * fileread.cc (make_view): Add casts to avoid warning.
4834
4835 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4836
4837         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
4838         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4839
4840 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
4841
4842         * options.h (General_options::output_is_executable): New.
4843         (General_options::output_is_pie): New.
4844         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
4845         for shared libraries.
4846         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
4847
4848 2008-09-11  Chris Demetriou  <cgd@google.com>
4849
4850         * options.h (origin): New -z option.
4851         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
4852         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
4853         in DT_FLAGS_1.
4854
4855 2008-09-05  Cary Coutant  <ccoutant@google.com>
4856
4857         * fileread.cc (File_read::make_view): Add check for attempt to map
4858         beyond end of file.
4859
4860 2008-09-05  Cary Coutant  <ccoutant@google.com>
4861
4862         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
4863         explicit instantiations.
4864
4865 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
4866
4867         PR gold/6858
4868         * options.cc (General_options::finalize): Allow undefined symbols
4869         in shlibs if linking -shared.
4870
4871         PR gold/6859
4872         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
4873         symbols as not needing a dynsym entry.
4874
4875 2008-08-20  Craig Silverstein  <csilvers@google.com>
4876
4877         * fileread.cc (File_read::open): Do not lock the file unless it
4878         was successfully opened.
4879
4880 2008-08-14  Cary Coutant  <ccoutant@google.com>
4881
4882         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
4883         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
4884         * testsuite/tls_test.cc (struct int128): 128-bit struct
4885         for testing TLS relocs with non-zero addend.
4886         (v12): New TLS variable.
4887         (t12): New test.
4888         (t_last): Add check for v12.
4889         * testsuite/tls_test.h (t12): New function.
4890         * testsuite/tls_test_main.cc (thread_routine): Call new test.
4891
4892 2008-08-13  Ian Lance Taylor  <iant@google.com>
4893
4894         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
4895         set tls_segment_ or relro_segment_.
4896         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
4897         when appropriate.
4898         * output.h (Output_section::clear_is_relro): New function.
4899         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
4900         sections specially even when output_data_ is empty.
4901         (Output_segment::maximum_alignment): When first section is relro,
4902         only force alignment for PT_LOAD segments.
4903         * script.cc (script_data_segment_align): New function.
4904         (script_data_segment_relro_end): New function.
4905         * script-c.h (script_data_segment_align): Declare.
4906         (script_data_segment_relro_end): Declare.
4907         * script-sections.h (class Script_sections): Declare
4908         data_segment_align and data_segment_relro_end.  Add fields
4909         segment_align_index_ and saw_relro_end_.
4910         * script-sections.cc (class Sections_element): Add set_is_relro
4911         virtual function.  Add new bool* parameter to place_orphan_here.
4912         Add get_output_section virtual function.
4913         (class Output_section_definition): Add set_is_relro.  Add new
4914         bool* parameter to place_orphan_here.  Add get_output_section.
4915         Add is_relro_ field.
4916         (Output_section_definition::Output_section_definition): Initialize
4917         evaluated_address_, evaluated_load_address, evaluated_addralign_,
4918         and is_relro_ fields.
4919         (Output_section_definition::place_orphan_here): Add is_relro
4920         parameter.
4921         (Output_section_definition::set_section_addresses): Set relro for
4922         output section.
4923         (Output_section_definition::alternate_constraint): Likewise.
4924         (class Orphan_output_section): Add new bool* parameter to
4925         place_orphan_here.  Add get_output_section.
4926         (Orphan_output_section::place_orphan_here): Add is_relro
4927         parameter.
4928         (Script_sections::Script_sections): Initialize
4929         data_segment_align_index_ and saw_relro_end_.
4930         (Script_sections::data_segment_align): New function.
4931         (Script_sections::data_segment_relro_end): New function.
4932         (Script_sections::place_orphan): Set or clear is_relro.
4933         (Script_sections::set_section_addresses): Force alignment of first
4934         TLS section.
4935         * yyscript.y (exp): Call script_data_segment_align and
4936         script_data_segment_relro_end.
4937         * testsuite/relro_script_test.t: New file.
4938         * testsuite/relro_test.cc (using_script): Declare.
4939         (t1, t2): Test using_script.
4940         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
4941         (relro_script_test_SOURCES): Define.
4942         (relro_script_test_DEPENDENCIES): Define.
4943         (relro_script_test_LDFLAGS): Define.
4944         (relro_script_test_LDADD): Define.
4945         (relro_script_test.so): New target.
4946         * testsuite/Makefile.in: Rebuild.
4947
4948 2008-08-06  Cary Coutant <ccoutant@google.com>
4949
4950         * archive.cc (Archive::total_archives, Archive::total_members)
4951         (Archive::total_members_loaded): New variables.
4952         (Archive::setup): Add parameter.  Add option to preread
4953         archive symbols.
4954         (Archive::read_armap): Add counter.
4955         (Archive::get_file_and_offset): New function.
4956         (Archive::get_elf_object_for_member): New function.
4957         (Archive::read_all_symbols): New function.
4958         (Archive::read_symbols): New function.
4959         (Archive::add_symbols): Add counters.
4960         (Archive::include_all_members): Use armap to find members if it's
4961         already built.
4962         (Archive::include_member): Skip reading symbols if already read.
4963         Factored code into Archive::get_file_and_offset and
4964         Archive::get_elf_object_for_member.  Changed call to
4965         Mapfile::report_include_archive_member.
4966         (Archive::print_stats): New function.
4967         * archive.h: Declare Object and Read_symbols_data classes.
4968         (Archive::Archive): Add initializers for new members.
4969         (Archive::setup): Add parameter.
4970         (Archive::print_stats): New function.
4971         (Archive::total_archives, Archive::total_members)
4972         (Archive::total_members_loaded): New variables.
4973         (Archive::get_file_and_offset): New function.
4974         (Archive::get_elf_object_for_member): New function.
4975         (Archive::read_all_symbols): New function.
4976         (Archive::read_symbols): New function.
4977         (Archive::Archive_member): New class.
4978         (Archive::members_): New member.
4979         (Archive::num_members_): New member.
4980         * main.cc: Include archive.h.
4981         (main): Call Archive::print_stats.
4982         * mapfile.cc (Mapfile::report_include_archive_member): Delete
4983         archive parameter; member_name is now the fully-decorated name.
4984         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
4985         * options.h: (General_options): Add --preread-archive-symbols option.
4986         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
4987         Archive::setup.
4988
4989 2008-08-04  Ian Lance Taylor  <iant@google.com>
4990
4991         * symtab.h (Symbol::use_plt_offset): New function.
4992         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
4993         * powerpc.cc (Relocate::relocate): Likewise.
4994         * sparc.cc (Relocate::relocate): Likewise.
4995         * x86_64.cc (Relocate::relocate): Likewise.
4996         * testsuite/weak_plt.sh: New test.
4997         * testsuite/weak_plt_main.cc: New test.
4998         * testsuite/weak_plt_shared.cc: New test.
4999         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5000         (check_PROGRAMS): Add weak_plt.
5001         (check_DATA): Add weak_plt_shared.so.
5002         (weak_plt_main_pic.o, weak_plt): New targets.
5003         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5004         * testsuite/Makefile.in: Rebuild.
5005
5006         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5007         gcctestdir/ld.
5008         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5009         * testsuite/Makefile.in: Rebuild.
5010
5011 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
5012
5013         * Makefile.am (POTFILES.in): Set LC_ALL=C.
5014         * Makefile.in: Regenerate.
5015         * po/POTFILES.in: Regenerate.
5016
5017 2008-07-29  Ian Lance Taylor  <iant@google.com>
5018
5019         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5020         symbols before other symbols.
5021         * testsuite/script_test_2.cc (test_addr): Declare.
5022         (test_addr_alias): Declare.
5023         (main): Check that test_addr and test_addr_alias have the right
5024         values.
5025         * testsuite/script_test_2.t: Define test_addr_alias and
5026         test_addr.
5027
5028 2008-07-24  Ian Lance Taylor  <iant@google.com>
5029
5030         PR 5990
5031         * descriptors.cc: New file.
5032         * descriptors.h: New file.
5033         * gold-threads.h (class Hold_optional_lock): New class.
5034         * fileread.cc: Include "descriptors.h".
5035         (File_read::~File_read): Release descriptor rather than closing
5036         it.
5037         (File_read::open) [file]: Call open_descriptor rather than open.
5038         Set is_descriptor_opened_.
5039         (File_read::open) [memory]: Assert that descriptor is not open.
5040         (File_read::reopen_descriptor): New function.
5041         (File_read::release): Release descriptor.
5042         (File_read::do_read): Make non-const.  Reopen descriptor.
5043         (File_read::read): Make non-const.
5044         (File_read::make_view): Reopen descriptor.
5045         (File_read::do_readv): Likewise.
5046         * fileread.h (class File_read): Add is_descriptor_opened_ field.
5047         Update declarations.
5048         * layout.cc: Include "descriptors.h".
5049         (Layout::create_build_id): Use open_descriptor rather than open.
5050         * output.cc: Include "descriptors.h".
5051         (Output_file::open): Use open_descriptor rather than open.
5052         * archive.cc (Archive::const_iterator): Change Archive to be
5053         non-const.
5054         (Archive::begin, Archive::end): Make non-const.
5055         (Archive::count_members): Likewise.
5056         * archive.h (class Archive): Update declarations.
5057         * object.h (Object::read): Make non-const.
5058         * Makefile.am (CCFILES): Add descriptors.cc.
5059         (HFILES): Add descriptors.h.
5060         * Makefile.in: Rebuild.
5061
5062         PR 6716
5063         * gold.h: Always include <clocale>.  Add Solaris workarounds
5064         following code in binutils/sysdep.h.
5065
5066         PR 6048
5067         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5068         this->eh_frame_hdr_ is NULL before using it.
5069
5070         * dynobj.cc (Versions::Versions): Update comment.
5071
5072         * dynobj.cc (Versions::Versions): If there is an soname, use it as
5073         the base version name.
5074
5075         * stringpool.cc (Stringpool_template::add_with_length): Set key to
5076         array size plus one.
5077         (Stringpool_template::set_string_offsets): Subtract one from key
5078         before using it as an array index.
5079         (Stringpool_template::get_offset_with_length): Likewise.
5080         (Stringpool_template::write_to_buffer): Likewise.
5081         * stringpool.h (Stringpool_template::get_offset_from_key):
5082         Likewise.
5083
5084 2008-07-23  Ian Lance Taylor  <iant@google.com>
5085
5086         PR 6658
5087         * object.h (Merged_symbol_value::value): Do our best to handle a
5088         negative addend.
5089
5090         PR 6647
5091         * script.cc (Version_script_info::get_versions): Don't add empty
5092         version tag to return value.
5093         (Version_script_info::get_symbol_version_helper): Change return
5094         type to bool.  Add pversion parameter.  Change all callers.
5095         (script_register_vers_node): Don't require a non-NULL tag.
5096         * script.h (class Version_script_info): Update declarations.
5097         (Version_script_info::get_symbol_version): Change return type to
5098         bool.  Add version parameter.  Change all callers.
5099         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5100         handling.  Handle an empty version from a version script.
5101         (Symbol_table::define_special_symbol): Likewise.
5102         * testsuite/ver_test_10.script: New file.
5103         * testsuite/ver_test_10.sh: New file.
5104         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5105         (check_DATA): Add ver_test_10.syms.
5106         (ver_test_10.syms, ver_test_10.so): New target.
5107         * testsuite/Makefile.in: Rebuild.
5108
5109 2008-07-23  Simon Baldwin  <simonb@google.com>
5110
5111         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5112         to zero for undefined symbols from dynamic libraries.
5113
5114 2008-07-23  Ian Lance Taylor  <iant@google.com>
5115
5116         * symtab.cc (Symbol_table::resolve): Remove version parameter.
5117         Change all callers.
5118         * symtab.h (class Symbol_table): Update declaration.
5119         * testsuite/ver_test_9.cc: New file.
5120         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5121         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5122         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5123         (ver_test_9.so, ver_test_9.o): New targets.
5124         * testsuite/Makefile.in: Rebuild.
5125
5126 2008-07-22  Ian Lance Taylor  <iant@google.com>
5127
5128         * options.h (class General_options): Define --check-sections.
5129         * layout.cc (Layout::set_segment_offsets): Handle
5130         --check-sections.
5131
5132         * options.h (class General_options): Define -n/--nmagic and
5133         -N/--omagic.
5134         * options.cc (General_options::finalize): For -n/--nmagic or
5135         -N/--omagic, set -static.
5136         * layout.cc (Layout::attach_allocated_section_to_segment): If
5137         -N/--omagic, don't put read-only and read-write sections in
5138         different segments.
5139         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5140         finding a read-only segment.
5141         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5142         don't set the minimum segment alignment to the common page size,
5143         and don't set the file offset to the address modulo the page size.
5144         * script-sections.cc (Script_sections::create_segments): If
5145         -n/--omagic, don't put read-only and read-write sections in
5146         different segments.
5147
5148         * cref.cc: New file.
5149         * cref.h: New file.
5150         * options.h (class General_options): Add --print-symbol-counts.
5151         * main.cc (main): Issue defined symbol report if requested.
5152         * archive.cc (Archive::interpret_header): Make into a const member
5153         function.
5154         (Archive::add_symbols): Call Input_objects::archive_start and
5155         archive_stop.
5156         (Archive::const_iterator): Define new class.
5157         (Archive::begin, Archive::end): New functions.
5158         (Archive::include_all_members): Rewrite to use iterator.
5159         (Archive::count_members): New function.
5160         * archive.h (class Archive): Update declarations.
5161         (Archive::filename): New function.
5162         * object.cc: Include "cref.h".
5163         (Sized_relobj::Sized_relobj): Initialize defined_count_.
5164         (Sized_relobj::do_get_global_symbol_counts): New function.
5165         (Input_objects::add_object): Add object to cross-referencer.
5166         (Input_objects::archive_start): New function.
5167         (Input_objects::archive_stop): New function.
5168         (Input_objects::print_symbol_counts): New function.
5169         * object.h: Declare Cref and Archive.
5170         (Object::get_global_symbol_counts): New function.
5171         (Object::do_get_global_symbol_counts): New pure virtual function.
5172         (class Sized_relobj): Add defined_count_ field.  Update
5173         declarations.
5174         (class Input_objects): Add cref_ field.  Update constructor.
5175         Update declarations.
5176         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
5177         defined_count_.
5178         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
5179         symbol counts.
5180         (Sized_dynobj::do_get_global_symbol_counts): New function.
5181         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
5182         defined_count_.  Update declarations.  Define Symbols typedef.
5183         * symtab.cc (Symbol_table::add_from_relobj): Add defined
5184         parameter.  Change all callers.
5185         (Symbol_table::add_from_dynobj): Add sympointers and defined
5186         parameters.  Change all callers.
5187         * symtab.h (class Symbol_table): Update declarations.
5188         * Makefile.am (CCFILES): Add cref.cc.
5189         (HFILES): Add cref.h.
5190         * Makefile.in: Rebuild.
5191
5192 2008-07-22  Simon Baldwin  <simonb@google.com>
5193
5194         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
5195         to zero when writing undefined symbols.
5196
5197 2008-07-22  Ian Lance Taylor  <iant@google.com>
5198
5199         * output.cc (Output_section::add_input_section): Don't try to
5200         merge empty merge sections.
5201
5202 2008-07-21  Craig Silverstein  <csilvers@google.com>
5203
5204         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5205         Include symbol version in error message.
5206
5207 2008-07-20  Chris Demetriou  <cgd@google.com>
5208
5209         * configure.ac (gold_cv_c_random_seed): New configured variable.
5210         (RANDOM_SEED_CFLAGS): New substituted variable.
5211         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
5212         * configure: Rebuild.
5213         * Makefile.in: Likewise.
5214         * testsuite/Makefile.in: Likewise.
5215
5216 2008-07-18  Ian Lance Taylor  <iant@google.com>
5217
5218         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
5219         where we see NAME/NULL and NAME/VERSION  as separate symbols.
5220         * testsuite/ver_test_main.cc (main): Call t4.
5221         (t4, t4_2a): Define.
5222         * testsuite/ver_test_2.cc (t4_2): Define.
5223         * testsuite/ver_test_2.script: Put t4_2a in VER2.
5224         * testsuite/ver_test_4.cc (t4_2a): Define.
5225         * testsuite/ver_test_4.script: Put t4_2a in VER2.
5226         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
5227
5228 2008-07-17  Ian Lance Taylor  <iant@google.com>
5229
5230         * dynobj.cc (Versions::add_def): If we give an error about a
5231         missing version, go ahead and create the version anyhow.
5232
5233 2008-07-10  Ian Lance Taylor  <iant@google.com>
5234
5235         Handle output sections with more than 0x7fffffff bytes.
5236         * object.h (class Relobj): Change map_to_output_ to
5237         output_sections_, and just keep a section pointer.  Change all
5238         uses.  Move comdat group support to Sized_relobj.
5239         (Relobj::is_section_specially_mapped): Remove.
5240         (Relobj::output_section): Remove poff parameter.  Change all
5241         callers.
5242         (Relobj::output_section_offset): New function.
5243         (Relobj::set_section_offset): Rewrite.
5244         (Relobj::map_to_output): Remove.
5245         (Relobj::output_sections): New function.
5246         (Relobj::do_output_section_offset): New pure virtual function.
5247         (Relobj::do_set_section_offset): Likewise.
5248         (class Sized_relobj): Add section_offsets_ field.  Add comdat
5249         group support from Relobj.  Update declarations.
5250         (Sized_relobj::get_output_section_offset): New function.
5251         (Sized_relobj::do_output_section_offset): New function.
5252         (Sized_relobj::do_set_section_offset): New function.
5253         * object.cc (Relobj::output_section_address): Remove.
5254         (Sized_relobj::Sized_relobj): Initialize new fields.
5255         (Sized_relobj::include_section_group): Cast find_kept_object to
5256         Sized_relobj.
5257         (Sized_relobj::include_linkonce_section): Likewise.
5258         (Sized_relobj::do_layout): Use separate arrays for output section
5259         and output offset.
5260         (Sized_relobj::do_count_local_symbols): Change map_to_output to
5261         output_sections.
5262         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
5263         output_sections and section_offsets.
5264         (Sized_relobj::write_local_symbols): Likewise.
5265         (map_to_kept_section): Compute output address directly.
5266         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
5267         output_sections and section_offsets.
5268         (Sized_relobj::write_sections): Likewise.
5269         (Sized_relobj::relocate_sections): Likewise.
5270         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
5271         * output.h (class Output_reloc): Update declarations.  Change
5272         u2_.relobj to Sized_relobj*.
5273         (class Output_data_reloc): Change add functions to use
5274         Sized_relobj*.
5275         * output.cc (Output_reloc::Output_reloc): Change relobj to
5276         Sized_relobj*.
5277         (Output_reloc::local_section_offset): Change return type to
5278         Elf_Addr.  Use get_output_section_offset.
5279         (Output_reloc::get_address): Likewise.
5280         (Output_section::is_input_address_mapped): Don't call
5281         is_section_specially_mapped.
5282         (Output_section::output_offset): Likewise.
5283         (Output_section::output_address): Likewise.
5284         (Output_section::starting_output_address): Likewise.
5285         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
5286         parameter to Sized_relobj*.
5287         (Copy_relocs::need_copy_reloc): Likewise.
5288         (Copy_relocs::save): Likewise.
5289         * copy-relocs.h (class Copy_relocs): Update declarations.
5290         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
5291         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
5292         * target-reloc.h (relocate_for_relocatable): Change
5293         offset_in_output_section type to Elf_Addr.  Change code that uses
5294         it as well.
5295         * layout.cc (Layout::layout): Always set *off.
5296         * mapfile.cc (Mapfile::print_input_section): Use
5297         output_section_offset.
5298         * i386.cc (Target_i386::copy_reloc): Change object parameter to
5299         Sized_relobj*.
5300         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
5301         * sparc.cc (Target_sparc::copy_reloc): Likewise.
5302         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
5303
5304 2008-07-03  Ian Lance Taylor  <iant@google.com>
5305
5306         * layout.cc (Layout::include_section): Do not discard unrecognized
5307         SHT_STRTAB sections.
5308
5309 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
5310
5311         * script.cc (Lex::can_continue_name): Make '?' allowable in
5312         version-script names.
5313         * testsuite/version_script.map: Change glob pattern to use '?'
5314
5315 2008-06-30  Manish Singh  <yosh@gimp.org>
5316
5317         PR 6585
5318         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
5319         Correct typo.
5320
5321 2008-06-30  Ian Lance Taylor  <iant@google.com>
5322
5323         PR 6660
5324         PR 6682
5325         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
5326         versions]: Don't try to read the value in the contents, since we
5327         don't use it.  Use the template endianness when writing.
5328
5329 2008-06-25  Cary Coutant  <ccoutant@google.com>
5330
5331         * fileread.cc (File_read::make_view): Assert on zero-length view.
5332         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
5333         symbol table when there are no symbols to read.
5334
5335 2008-06-23  Craig Silverstein  <csilvers@google.com>
5336
5337         * version.cc (version_string): Bump to 1.7
5338
5339 2008-06-18  Craig Silverstein  <csilvers@google.com>
5340
5341         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
5342         constant 0xFFFF to type Valtype.
5343         (Powerpc_relocate_functions::rel16_ha): Likewise.
5344
5345 2008-06-17  Ian Lance Taylor  <iant@google.com>
5346
5347         * output.h (Output_section::Input_section): Initialize p2align_ to
5348         zero for Output_section_data constructors.
5349         (Output_section::Input_section::addralign): If not an input
5350         section, return the alignment of the Output_section_data.
5351         * testsuite/copy_test.cc: New file.
5352         * testsuite/copy_test_1.cc: New file.
5353         * testsuite/copy_test_2.cc: New file.
5354         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
5355         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
5356         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
5357         (copy_test_1_pic.o, copy_test_1.so): New targets.
5358         (copy_test_2_pic.o, copy_test_2.so): New targets.
5359         * testsuite/Makefile.in: Rebuild.
5360
5361         * script-sections.cc (Script_sections::place_orphan): Initialize
5362         local variable exact.
5363
5364 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
5365
5366         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
5367
5368 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
5369             David S. Miller  <davem@davemloft.net>
5370
5371         * powerpc.cc: New file.
5372         * Makefile.am (TARGETSOURCES): Add powerpc.cc
5373         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
5374         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
5375         * Makefile.in: Rebuild.
5376
5377 2008-06-09  Ian Lance Taylor  <iant@google.com>
5378
5379         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
5380         <exception>.
5381         (throwing, orig_terminate): New static variables.
5382         (terminate_handler): New static function.
5383         (t2): Set terminate handler.
5384
5385 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
5386
5387         PR 6584
5388         * binary.cc (Binary_to_elf::sized_convert): Fix .data
5389         alignment.
5390
5391 2008-05-30  Cary Coutant  <ccoutant@google.com>
5392
5393         * archive.cc (Archive::include_all_members) Correct to step
5394         over symbol table and extended name table in thin archives.
5395
5396 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
5397
5398         PR 6407
5399         * target-reloc.h (relocate_for_relocatable): Fix new_offset
5400         calculation.
5401
5402 2008-05-28  Caleb Howe  <cshowe@google.com>
5403
5404         * reduced_debug_output.cc: New file.
5405         * reduced_debug_output.h: New file.
5406         * options.h (class General_options): Add --strip-debug-non-line.
5407         * options.cc (General_options::finalize): Add strip_debug_non_line
5408         to the strip heirarchy.
5409         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
5410         fields.
5411         * layout.cc: Include "reduced_debug_output.h".
5412         (Layout::Layout): Initialize new fields.
5413         (line_only_debug_sections): New static array.
5414         (is_lines_only_debug_sections): New static inline function.
5415         (Layout::include_section): Handle --strip-debug-non-line.
5416         (Layout::make_output_section): If --strip-debug-non-line, build
5417         new output sections for .debug_abbrev and .debug_info.
5418         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
5419         gold.  Warn about possible overflow.
5420         (read_signed_LEB_128): Likewise.
5421         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
5422         (read_signed_LEB_128): Declare.
5423         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
5424         (HFILES): Add reduced_debug_output.h.
5425         * Makefile.in: Rebuild.
5426
5427 2008-05-21  Ian Lance Taylor  <iant@google.com>
5428
5429         * mapfile.cc: New file.
5430         * mapfile.h: New file.
5431         * options.h (class General_options): Add -M/--print-map and -Map.
5432         * options.cc (General_options::finalize): Make -M equivalent to
5433         -Map -.
5434         * main.cc: Include <cstdio> and "mapfile.h".
5435         (main): Open mapfile if requested.
5436         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
5437         constructor.  Change caller.
5438         (queue_initial_tasks): Add mapfile parameter.  Change caller.
5439         (queue_middle_tasks): Likewise.
5440         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
5441         declarations.
5442         * archive.cc: Include "mapfile.h".
5443         (Archive::add_symbols): Add mapfile parameter.  Change all
5444         callers.  Pass mapfile, symbol, and reason to include_member.
5445         (Archive::include_all_members): Add mapfile parameter.  Change all
5446         callers.
5447         (Archive::include_member): Add mapfile, sym, and why parameters.
5448         Change all callers.  Report inclusion to map file.
5449         * archive.h: Include "fileread.h".
5450         (class Archive): Update declarations.
5451         (Archive::file): New const method.
5452         (class Add_archive_symbols): Add mapfile_ field.  Update
5453         constructor.  Change all callers.
5454         * readsyms.h (class Read_symbols): Likewise.
5455         (class Finish_group): Likewise.
5456         (class Read_script): Likewise.
5457         * common.cc: Include "mapfile.h".
5458         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
5459         all callers.
5460         (Symbol_table::do_allocate_commons): Likewise.
5461         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
5462         symbol allocation to mapfile.
5463         * common.h (class Allocate_commons_task): Add mapfile_ field.
5464         Update constructor.  Change all callers.
5465         * symtab.h (class Symbol_table): Update declarations.
5466         * layout.cc: Include "mapfile.h".
5467         (Layout_task_runner::run): Print information to mapfile.
5468         (Layout::create_gold_note): Change Output_data_fixed_space to
5469         Output_data_zero_fill.
5470         (Layout::create_build_id): Likewise.
5471         (Layout::print_to_mapfile): New function.
5472         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
5473         constructor.  Change caller.
5474         (class Layout): Declare print_to_mapfile.
5475         * output.cc (Output_section::Input_section::print_to_mapfile): New
5476         function.
5477         (Output_section::add_input_section): If producing a map, always
5478         add to input_sections_ list.
5479         (Output_section::do_print_to_mapfile): New function.
5480         (Output_segment::print_sections_to_mapfile): New function.
5481         (Output_segment::print_section_list_to_mapfile): New function.
5482         * output.h: Include "mapfile.h".
5483         (Output_data::print_to_mapfile): New function.
5484         (Output_data::do_print_to_mapfile): New virtual function.
5485         (Output_segment_headers::do_print_to_mapfile): New function.
5486         (Output_file_header::do_print_to_mapfile): New function.
5487         (Output_data_const::do_print_to_mapfile): New function.
5488         (class Output_data_const_buffer): Add map_name_ field.  Update
5489         constructor.  Change all callers.  Add do_print_to_mapfile
5490         function.
5491         (class Output_data_fixed_space): Likewise.
5492         (class Output_data_space): Likewise.
5493         (class Output_data_zero_fill): New class.
5494         (Output_data_strtab::do_print_to_mapfile): New function.
5495         (Output_data_reloc_base::do_print_to_mapfile): New function.
5496         (Output_relocatable_relocs::do_print_to_mapfile): New function.
5497         (Output_data_group::do_print_to_mapfile): New function.
5498         (Output_data_got::do_print_to_mapfile): New function.
5499         (Output_data_dynamic::do_print_to_mapfile): New function.
5500         (Output_symtab_xindex::do_print_to_mapfile): New function.
5501         (class Output_section): Declare do_print_to_mapflie.  Declare
5502         print_to_mapfile in Input_section.
5503         (class Output_segment): Declare new functions.
5504         * object.h (Sized_relobj::symbol_count): New function.
5505         * script-sections.cc
5506         (Output_section_element_dot_assignment::set_section_addresses):
5507         Change Output_data_fixed_space to Output_data_zero_fill.
5508         (Output_data_expression::do_print_to_mapfile): New function.
5509         * script.cc (read_input_script): Add mapfile parameter.  Change
5510         all callers.
5511         * script.h (read_input_script): Update declaration.
5512         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
5513         (Eh_frame::do_print_to_mapfile): New function.
5514         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
5515         (Output_merge_string::do_print_to_mapfile): New function.
5516         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
5517         function.
5518         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
5519         function.
5520         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
5521         function.
5522         * Makefile.am (CCFILES): Add mapfile.cc.
5523         (HFILES): Add mapfile.h.
5524         * Makefile.in: Rebuild.
5525
5526 2008-05-19  Ian Lance Taylor  <iant@google.com>
5527
5528         * options.h (class General_options): Add -z relro.
5529         * layout.cc (Layout::Layout): Initialize relro_segment_.
5530         (Layout::add_output_section_data): Return the output section.
5531         (Layout::make_output_section): Rcognize relro sections and mark
5532         them appropriately.
5533         (Layout::attach_allocated_section_to_segment): Put relro sections
5534         in a PT_GNU_RELRO segment.
5535         (Layout::create_initial_dynamic_sections): Mark the .dynamic
5536         section as relro.
5537         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
5538         PT_TLS segments.
5539         (Layout::linkonce_mapping): Map d.rel.ro.local to
5540         .data.rel.ro.local.
5541         (Layout::output_section_name): Us .data.rel.ro.local for any
5542         section which begins with that.
5543         * layout.h (class Layout): Update add_output_section_data
5544         declaration.  Add relro_segment_ field.
5545         * output.cc (Output_section::Output_section): Initialize is_relro_
5546         and is_relro_local_ fields.
5547         (Output_segment::add_output_section): Group relro sections.
5548         (Output_segment::is_first_section_relro): New function.
5549         (Output_segment::maximum_alignment): If there is a relro section,
5550         align the segment to the common page size.
5551         (Output_segment::set_section_addresses): Track whether we are
5552         looking at relro sections.  If the last section is a relro
5553         section, align to the common page size.
5554         (Output_segment::set_section_list_addresses): Add in_relro
5555         parameter.  Change all callers.  Align to the page size when
5556         moving from relro to non-relro section.
5557         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
5558         segment.
5559         * output.h (class Output_section): Add is_relro_ and
5560         is_relro_local_ fields.
5561         (Output_section::is_relro): New function.
5562         (Output_section::set_is_relro): New function.
5563         (Output_section::is_relro_local): New function.
5564         (Output_section::set_is_relro_local): New function.
5565         (class Output_segment): Update declarations.
5566         * i386.cc (Target_i386::got_section): Mark .got section as relro.
5567         * sparc.cc (Target_sparc::got_section): Likewise.
5568         * x86_64.cc (Target_x86_64::got_section): Likewise.
5569         * testsuite/relro_test_main.cc: New file.
5570         * testsuite/relro_test.cc: New file.
5571         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
5572         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
5573         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
5574         (relro_test.so, relro_test_pic.o): New targets.
5575         * testsuite/Makefile.in: Rebuild.
5576
5577 2008-05-16  Ian Lance Taylor  <iant@google.com>
5578
5579         * output.cc (Output_segment::add_output_section): Remove front
5580         parameter.
5581         * output.h (class Output_segment): Remove
5582         add_initial_output_section and overloaded add_output_section.
5583         Update declaration of remaining add_output_section.
5584         * layout.cc (Layout::create_interp): Call add_output_section
5585         rather than add_initial_output_section.
5586         (Layout::finish_dynamic_section): Likewise.
5587
5588         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
5589         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
5590         know the dynamic type.
5591         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
5592         field.  Initialize it in constructor.
5593         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
5594         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
5595         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
5596         reloc.
5597
5598         * output.cc (Output_reloc::get_address): Change return type to
5599         Elf_Addr.
5600         * output.h (class Output_reloc): Update get_address declaration.
5601         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
5602         for section addresses.
5603
5604 2008-05-09  Ian Lance Taylor  <iant@google.com>
5605
5606         PR 6493
5607         * gold.cc (gold_nomem): Use return value of write.
5608
5609 2008-05-08  Ian Lance Taylor  <iant@google.com>
5610
5611         * symtab.c (Symbol::init_base_output_data): Add version
5612         parameter.  Change all callers.
5613         (Symbol::init_base_output_segment): Likewise.
5614         (Symbol::init_base_constant): Likewise.
5615         (Symbol::init_base_undefined): Likewise.
5616         (Sized_symbol::init_output_data): Likewise.
5617         (Sized_symbol::init_output_segment): Likewise.
5618         (Sized_symbol::init_constant): Likewise.
5619         (Sized_symbol::init_undefined): Likewise.
5620         (Symbol_table::do_define_in_output_data): If the new symbol has a
5621         version, mark it as the default.
5622         (Symbol_table::do_define_in_output_segment): Likewise.
5623         (Symbol_table::do_define_as_constant): Likewise.
5624         * symtab.h (class Symbol): Update declarations.
5625         (class Sized_symbol): Likewise.
5626         * resolve.cc (Symbol::override_version): New function.
5627         (Symbol::override_base): Call override_version.
5628         (Symbol::override_base_with_special): Likewise.
5629         * testsuite/ver_script_8.script: New file.
5630         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
5631         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
5632         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
5633         (ver_test_8_1.so, ver_test_8_2.so): New targets.
5634
5635 2008-05-06  Ian Lance Taylor  <iant@google.com>
5636
5637         PR 6049
5638         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
5639         functions.
5640         (class General_options): Remove existing --undefined, and add
5641         --no-undefined instead.  Add new --undefined as synonym for -u.
5642         * archive.cc (Archive::add_symbols): Check whether symbol was
5643         named with -u.
5644         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
5645         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
5646         all uses.  Add IS_UNDEFINED.  Update declarations to split
5647         different versions of init_base.  Declare init_base_undefined.
5648         (Symbol::is_defined): Handle IS_UNDEFINED.
5649         (Symbol::is_undefined): Likewise.
5650         (Symbol::is_weak_undefined): Call is_undefined.
5651         (Symbol::is_absolute): Handle IS_CONSTANT.
5652         (class Sized_symbol): Update declarations to split different
5653         versions of init.  Declare init_undefined.
5654         (class Symbol_table): Declare new functions.
5655         * symtab.cc (Symbol::init_base_object): Rename from init_base.
5656         Change all callers.
5657         (Symbol::init_base_output_data): Likewise.
5658         (Symbol::init_base_output_segment): Likewise.
5659         (Symbol::init_base_constant): Likewise.
5660         (Symbol::init_base_undefined): New function.
5661         (Sized_symbol::init_object): Rename from init.  Change all
5662         callers.
5663         (Sized_symbol::init_output_data): Likewise.
5664         (Sized_symbol::init_output_segment): Likewise.
5665         (Sized_symbol::init_constant): Likewise.
5666         (Sized_symbol::init_undefined): New function.
5667         (Symbol_table::add_undefined_symbols_from_command_line): New
5668         function.
5669         (Symbol_table::do_add_undefined_symbols_from_command_line): New
5670         function.
5671         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
5672         (Symbol::output_section): Likewise.
5673         (Symbol::set_output_section): Likewise.
5674         (Symbol_table::sized_finalize_symbol): Likewise.
5675         (Symbol_table::sized_write_globals): Likewise.
5676         * resolve.cc (Symbol_table::should_override): Likewise.
5677         (Symbol::override_base_with_special): Likewise.
5678
5679         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
5680         symbol, change it to have default visibility.
5681         * testsuite/protected_1.cc: New file.
5682         * testsuite/protected_2.cc: New file.
5683         * testsuite/protected_3.cc: New file.
5684         * testsuite/protected_main_1.cc: New file.
5685         * testsuite/protected_main_2.cc: New file.
5686         * testsuite/protected_main_3.cc: New file.
5687         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
5688         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
5689         (protected_1_LDFLAGS, protected_1_LDADD): Define.
5690         (protected_1.so): New target.
5691         (protected_1_pic.o, protected_2_pic.o): New targets.
5692         (protected_3_pic.o): New target.
5693         (check_PROGRAMS): Add protected_2.
5694         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
5695         (protected_2_LDFLAGS, protected_2_LDADD): Define.
5696         * testsuite/Makefile.in: Rebuild.
5697
5698         * options.h (DEFINE_var): Add set_user_set_##varname__.
5699         (DEFINE_bool_alias): New macro.
5700         (class General_options): Define -Bstatic using DEFINE_bool_alias
5701         rather than DEFINE_special.  Add --undefined as an alias for -z
5702         defs.
5703         * options.cc (General_options::parse_Bstatic): Remove.
5704
5705         * options.h (class General_options): Add --fatal-warnings.
5706         * main.cc (main): Implement --fatal-warnings.
5707         * errors.h (Errors::warning_count): New function.
5708
5709         * options.h (class General_options): Add -Bsymbolic-functions.
5710         * symtab.h (Symbol::is_preemptible): Check for
5711         -Bsymbolic-functions.
5712
5713 2008-05-05  Ian Lance Taylor  <iant@google.com>
5714
5715         * options.h (DEFINE_bool): For DASH_Z, create the negative option
5716         as noVARNAME rather than no-VARNAME.
5717         (class General_options): Add option -z combreloc.
5718         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
5719         get_address.
5720         (Output_reloc::sort_before) [SHT_REL]: New function.
5721         (Output_reloc::sort_before) [SHT_RELA]: New function.
5722         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
5723         Sort_relocs_comparison.
5724         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
5725         parameter.  Change all callers.
5726         (Output_data_reloc::Output_data_reloc) [both versions]: Add
5727         sort_relocs parameter.  Change all callers.
5728         * output.cc (Output_reloc::get_address): New function, broken out
5729         of write_rel.
5730         (Output_reloc::write_rel): Call it.
5731         (Output_reloc::compare): New function.
5732         (Output_data_reloc_base::do_write): Optionally sort relocs.
5733
5734         * configure.ac: If targ_extra_obj is set, link it in.
5735         * configure.tgt: Initialize all variables.
5736         (x86_64*): Set targ_extra_obj and targ_extra_size.
5737         * configure: Rebuild.
5738
5739         * object.cc (Sized_relobj::include_section_group): Adjust section
5740         indexes read from group data.  Build vector to pass to
5741         layout_group.
5742         * layout.cc (Layout::layout_group): Add flags and shndxes
5743         parameters.  Remove contents parameter.  Change caller.  Update
5744         explicit instantiations.
5745         * layout.h (class Layout): Update layout_group declaration.
5746         * output.cc (Output_data_group::Output_data_group): Add flags and
5747         input_shndxes parameters.  Remove contents parameter.  Change
5748         caller.
5749         (Output_data_group::do_write): Change input_sections_ to
5750         input_shndxes_.
5751         * output.h (class Output_data_group): Update constructor
5752         declaration.  Rename input_sections_ to input_shndxes_.
5753         * testsuite/many_sections_test.cc: Add template.
5754
5755 2008-04-30  Cary Coutant  <ccoutant@google.com>
5756
5757         * target-reloc.h (relocate_section): Fix dead-pointer bug.
5758
5759         * layout.cc (Layout::include_section): Refactored check for debug
5760         info section.
5761         (Layout::add_comdat): Add new parameters.  Change type
5762         of signature parameter.  Add object and shndx to signatures table.
5763         (Layout::find_kept_object): New function.
5764         * layout.h: Include <cstring>.
5765         (Layout::is_debug_info_section): New function.
5766         (Layout::add_comdat): Add new parameters.
5767         (Layout::find_kept_object): New function.
5768         (Layout::Kept_section): New struct.
5769         (Layout::Signatures): Change type of map range.
5770         * object.cc (Relobj::output_section_address): New function.
5771         (Sized_relobj::include_section_group): Add new parameters.  Change
5772         calls to Layout::add_comdat.  Change to build table of kept comdat
5773         groups and table mapping discarded sections to kept sections.
5774         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
5775         (Sized_relobj::do_layout): Change calls to include_section_group and
5776         include_linkonce_section.
5777         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
5778         value to zero when section is discarded.
5779         (Sized_relobj::map_to_kept_section): New function.
5780         * object.h (Relobj::output_section_address): New function.
5781         (Relobj::Comdat_group): New type.
5782         (Relobj::find_comdat_group): New function.
5783         (Relobj::Comdat_group_table): New type.
5784         (Relobj::Kept_comdat_section): New type.
5785         (Relobj::Kept_comdat_section_table): New type.
5786         (Relobj::add_comdat_group): New function.
5787         (Relobj::set_kept_comdat_section): New function.
5788         (Relobj::get_kept_comdat_section): New function.
5789         (Relobj::comdat_groups_): New field.
5790         (Relobj::kept_comdat_sections_): New field.
5791         (Symbol_value::input_value): Update comment.
5792         (Sized_relobj::map_to_kept_section) New function.
5793         (Sized_relobj::include_linkonce_section): Add new parameter.
5794         * target-reloc.h (Comdat_behavior): New type.
5795         (get_comdat_behavior): New function.
5796         (relocate_section): Add code to map a discarded section to the
5797         corresponding kept section when applying a relocation.
5798
5799 2008-04-30  Craig Silverstein  <csilvers@google.com>
5800
5801         * dwarf_reader.cc (next_generation_count): New static var.
5802         (Addr2line_cache_entry): New struct.
5803         (addr2line_cache): New static var.
5804         (Dwarf_line_info::one_addr2line): Added caching.
5805         (Dwarf_line_info::clear_addr2line_cache): New function.
5806         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
5807         cache-size parameter.
5808         (Dwarf_line_info::one_addr2line_cache): New function.
5809         * symtab.cc (Symbol_table::detect_odr_violations): Pass
5810         new cache-size argument to one_addr2line(), and clear cache.
5811
5812 2008-04-28  Cary Coutant  <ccoutant@google.com>
5813
5814         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
5815         R_386_PC8 relocations.
5816
5817 2008-04-23  Ian Lance Taylor  <iant@google.com>
5818
5819         * object.cc (Sized_relobj::include_section_group): Check for
5820         invalid section group.
5821
5822         * object.cc (make_elf_object): Correct test for 64-bit ELF file
5823         header size.
5824
5825         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
5826         than read for file header.
5827         * archive.cc (Archive::include_member): Likewise.
5828
5829 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
5830
5831         * aclocal.m4: Regenerate.
5832         * configure: Regenerate.
5833
5834 2008-04-19  Ian Lance Taylor  <iant@google.com>
5835
5836         * version.cc (version_string): Bump to 1.6.
5837
5838         * testsuite/Makefile.am (many_sections_r_test): New target.
5839         (many_sections_r_test_SOURCES): Remove.
5840         (many_sections_r_test_DEPENDENCIES): Remove.
5841         (many_sections_r_test_LDFLAGS): Remove.
5842         (many_sections_r_test_LDADD): Remove.
5843
5844         * object.cc (Sized_relobj::do_add_symbols): Always pass
5845         local_symbol_count_ to add_from_relobj.
5846
5847         * testsuite/Makefile.am (many_sections_check.h): Only check one in
5848         every thousand variables.
5849         * testsuite/Makefile.in: Rebuild.
5850
5851         * object.cc (Xindex::initialize_symtab_xindex): New function.
5852         (Xindex::read_symtab_xindex): New function.
5853         (Xindex::sym_xindex_to_shndx): New function.
5854         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
5855         available.
5856         (Sized_relobj::do_initialize_xindex): New function.
5857         (Sized_relobj::do_read_symbols): Adjust section links.
5858         (Sized_relobj::symbol_section_and_value): Add is_ordinary
5859         parameter.  Change all callers.
5860         (Sized_relobj::include_section_group): Adjust section links and
5861         symbol section indexes.
5862         (Sized_relobj::do_layout): Adjust section links.
5863         (Sized_relobj::do_count_local_symbols): Adjust section links and
5864         symbol section indexes.
5865         (Sized_relobj::do_finalize_local_symbols): Distinguish between
5866         ordinary and special symbols.
5867         (Sized_relobj::write_local_symbols): Add symtab_xindex and
5868         dynsym_xindex parameters.  Change all callers.  Adjust section
5869         links.  Use SHN_XINDEX when needed.
5870         (Sized_relobj::get_symbol_location_info): Adjust section links.
5871         Don't get fooled by special symbols.
5872         * object.h (class Xindex): Define.
5873         (class Object): Add xindex_ parameter.  Declare virtual functoin
5874         do_initialize_xindex.
5875         (Object::adjust_sym_shndx): New function.
5876         (Object::set_xindex): New protected function.
5877         (class Symbol_value): Add is_ordinary_shndx_ field.
5878         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
5879         (Symbol_value::value): Assert ordinary section.
5880         (Symbol_value::initialize_input_to_output_map): Likewise.
5881         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
5882         Change all callers.
5883         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
5884         all callers.
5885         (class Sized_relobj): Update declarations.
5886         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
5887         parameter.  Change all callers.
5888         (Sized_relobj::adjust_shndx): New function.
5889         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
5890         field.
5891         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
5892         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
5893         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
5894         (Sized_dynobj::read_dynsym_section): Adjust section links.
5895         (Sized_dynobj::read_dynamic): Likewise.
5896         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
5897         section links.
5898         (Sized_dynobj::do_initialize_xindex): New function.
5899         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
5900         do_initialize_xindex.
5901         (Sized_dynobj::adjust_shndx): New function.
5902         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
5903         dynsym_xindex_ fields.
5904         (Layout::finalize): Add a call to set_section_indexes before
5905         creating the symtab sections.
5906         (Layout::set_section_indexes): Don't do anything if the section
5907         already has a section index.
5908         (Layout::create_symtab_sections): Add shnum parameter.  Change
5909         caller.  Create .symtab_shndx section if needed.
5910         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
5911         caller.
5912         (Layout::allocated_output_section_count): New function.
5913         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
5914         needed.
5915         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
5916         fields.  Update declarations.
5917         (Layout::symtab_xindex): New function.
5918         (Layout::dynsym_xindex): New function.
5919         (class Write_symbols_task): Add layout_ field.
5920         (Write_symbols_task::Write_symbols_task): Add layout parameter.
5921         Change caller.
5922         * output.cc (Output_section_headers::Output_section_headers): Add
5923         shstrtab_section parameter.  Change all callers.
5924         (Output_section_headers::do_sized_write): Store overflow values
5925         for section count and section string table section index in
5926         section header zero.
5927         (Output_file_header::do_sized_write): Check for overflow of
5928         section count and section string table section index.
5929         (Output_symtab_xindex::do_write): New function.
5930         (Output_symtab_xindex::endian_do_write): New function.
5931         * output.h (class Output_section_headers): Add shstrtab_section_.
5932         Update declarations.
5933         (class Output_symtab_xindex): Define.
5934         (Output_section::has_out_shndx): New function.
5935         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
5936         field.
5937         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
5938         Change all callers.
5939         (Sized_symbol::init): Likewise.
5940         (Symbol::output_section): Check for ordinary symbol.
5941         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
5942         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
5943         callers.
5944         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
5945         Change all callers.  Simplify handling of symbols from sections
5946         not included in the link.
5947         (Symbol_table::add_from_dynobj): Handle ordinary symbol
5948         distinction.
5949         (Weak_alias_sorter::operator()): Assert that symbols are
5950         ordinary.
5951         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
5952         distinction.
5953         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
5954         parameters.  Change all callers.
5955         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
5956         symbol distinction.  Use SHN_XINDEX when needed.
5957         (Symbol_table::write_section_symbol): Add symtab_xindex
5958         parameter.  Change all callers.
5959         (Symbol_table::sized_write_section_symbol): Likewise.  Use
5960         SHN_XINDEX when needed.
5961         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
5962         declarations.
5963         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
5964         (Symbol::is_defined): Check is_ordinary.
5965         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
5966         (Symbol::is_absolute, Symbol::is_common): Likewise.
5967         (class Sized_symbol): Update declarations.
5968         (class Symbol_table): Update declarations.
5969         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
5970         parameters.  Change all callers.
5971         (Sized_symbol::override): Likewise.
5972         (Symbol_table::override): Likewise.
5973         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
5974         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
5975         is_ordinary, and orig_st_shndx parameters.  Change all callers.
5976         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
5977         to be in an ordinary section.
5978         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
5979         object and is_ordinary parameters.  Change all callers.
5980         (Sized_dwarf_line_info::read_relocs): Add object parameter.
5981         Change all callers.  Don't add undefined or non-ordinary symbols
5982         to reloc_map_.
5983         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
5984         Change all callers.
5985         * dwarf_reader.h (class Sized_dwarf_line_info): Update
5986         declarations.
5987         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
5988         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
5989         (Sized_relobj::relocate_sections): Likewise.
5990         * target-reloc.h (scan_relocs): Adjust section symbol index.
5991         (scan_relocatable_relocs): Likewise.
5992         * i386.cc (Scan::local): Check for ordinary symbols.
5993         * sparc.cc (Scan::local): Likewise.
5994         * x86_64.cc (Scan::local): Likewise.
5995         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
5996         to symbol_section_and_value.
5997         * testsuite/many_sections_test.cc: New file.
5998         * testsuite/Makefile.am (BUILT_SOURCES): Define.
5999         (check_PROGRAMS): Add many_sections_test.
6000         (many_sections_test_SOURCES): Define.
6001         (many_sections_test_DEPENDENCIES): Define.
6002         (many_sections_test_LDFLAGS): Define.
6003         (BUILT_SOURCES): Add many_sections_define.h.
6004         (many_sections_define.h): New target.
6005         (BUILT_SOURCES): Add many_sections_check.h.
6006         (many_sections_check.h): New target.
6007         (check_PROGRAMS): Add many_sections_r_test.
6008         (many_sections_r_test_SOURCES): Define.
6009         (many_sections_r_test_DEPENDENCIES): Define.
6010         (many_sections_r_test_LDFLAGS): Define.
6011         (many_sections_r_test_LDADD): Define.
6012         (many_sections_r_test.o): New target.
6013         * testsuite/Makefile.in: Rebuild.
6014
6015 2008-04-17  Cary Coutant  <ccoutant@google.com>
6016
6017         * errors.cc (Errors::info): New function.
6018         (gold_info): New function.
6019         * errors.h (Errors::info): New function.
6020         * gold.h (gold_info): New function.
6021         * object.cc (Input_objects::add_object): Print trace output.
6022         * options.cc (options::parse_set): New function.
6023         (General_options::parse_wrap): Deleted.
6024         (General_options::General_options): Deleted initializer.
6025         * options.h (options::String_set): New typedef.
6026         (options::parse_set): New function.
6027         (DEFINE_set): New macro.
6028         (General_options::wrap): Changed to use DEFINE_set. Changed
6029         callers of any_wrap_symbols and is_wrap_symbol.
6030         (General_options::trace, General_options::trace_symbol):
6031         New options.
6032         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6033         (General_options::wrap_symbols_): Deleted.
6034         * symtab.cc (Symbol_table::add_from_object): Print trace output.
6035
6036 2008-04-17  David S. Miller  <davem@davemloft.net>
6037
6038         * options.cc (General_options::parse_V): New function.
6039         * options.h: Add entries for -V and -Qy.
6040
6041 2008-04-17  Ian Lance Taylor  <iant@google.com>
6042
6043         * common.cc (Symbol_table::allocate_commons): Remove options
6044         parameter.  Change caller.
6045         (Symbol_table::do_allocate_commons): Remove options parameter.
6046         Change caller.  Just call do_allocate_commons_list twice.
6047         (Symbol_table::do_allocate_commons_list): New function, broken out
6048         of do_allocate_commons.
6049         * common.h (class Allocate_commons_task): Remove options_ field.
6050         Update constructor.
6051         * symtab.cc (Symbol_table::Symbol_table): Initialize
6052         tls_commons_.
6053         (Symbol_table::add_from_object): Put TLS common symbols on
6054         tls_commons_ list.
6055         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6056         which are IN_OUTPUT_DATA.
6057         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
6058         allocate_commons and do_allocate_commons declarations.  Declare
6059         do_allocate_commons_list.
6060         * gold.cc (queue_middle_tasks): Update creation of
6061         Allocate_commons_task to not pass options.
6062         * testsuite/Makefile.am (INCLUDES): Add -I.. .
6063         (TLS_TEST_C_FLAGS): New variable.
6064         (tls_test_c_pic.o): New target.
6065         (tls_test_shared.so): Link in tls_test_c_pic.o.
6066         (tls_test_c_pic_ie.o): New target.
6067         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6068         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6069         (tls_test_c.o): New target.
6070         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6071         (tls_pic_test_LDADD): Likewise.
6072         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6073         (tls_shared_gd_to_ie_test_LDADD): Likewise.
6074         (tls_test_c_gnu2.o): New target.
6075         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6076         tls_test_c_gnu2.o.
6077         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6078         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6079         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6080         * testsuite/tls_test.cc: Include "config.h".
6081         (t_last): Call t11_last.
6082         * testsuite/tls_test.h (t11, t11_last): Declare.
6083         * testsuite/tls_test_c.c: New file.
6084         * testsuite/tls_test_main.cc (thread_routine): Call t11.
6085         * configure.ac: Check for OpenMP support.
6086         * configure, config.in, Makefile.in: Rebuild.
6087         * testsuite/Makefile.in: Rebuild.
6088
6089 2008-04-16  Cary Coutant  <ccoutant@google.com>
6090
6091         * i386.cc (Target_i386::define_tls_base_symbol): New function.
6092         (Target_i386::tls_base_symbol_defined_): New field.
6093         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6094         (Target_i386::Scan::global): Likewise.
6095         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6096         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6097         (Target_x86_64::tls_base_symbol_defined_): New field.
6098         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6099         (Target_x86_64::Scan::global): Likewise.
6100
6101 2008-04-16  Cary Coutant  <ccoutant@google.com>
6102
6103         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6104         (Symbol::needs_plt_entry): Allow weak undefined symbols.
6105         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6106         building shared libraries.
6107         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6108         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6109         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6110         * testsuite/Makefile.in: Rebuild.
6111         * testsuite/weak_undef.h: New file.
6112         * testsuite/weak_undef_file1.cc: Add extra test cases.
6113         * testsuite/weak_undef_file2.cc: Likewise.
6114         * testsuite/weak_undef_test.cc: Likewise.
6115
6116 2008-04-16  David S. Miller  <davem@davemloft.net>
6117
6118         * sparc.cc (Target_sparc::Scan): Change from struct to class.
6119         Add issued_non_pic_error_ field.  Declare check_non_pic.
6120         (Target_sparc::Scan::check_non_pic): New function.
6121         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6122         (Target_sparc::Scan::global): Likewise.
6123
6124         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6125         * configure: Rebuild.
6126
6127         * options.h (DEFINE_enable): New macro.
6128         (new_dtags): New enable option.
6129         (initfirst, interpose, loadfltr, nodefaultlib,
6130         nodelete, nodlopen, nodump): New -z options.
6131         * layout.cc (Layout:finish_dynamic_section): If new
6132         dtags enabled, emit DT_RUNPATH.  Also, emit a
6133         DT_FLAGS_1 containing any specified -z flags.
6134
6135 2008-04-16  Ian Lance Taylor  <iant@google.com>
6136
6137         * copy-relocs.cc: New file.
6138         * copy-relocs.h: New file.
6139         * reloc.cc: Remove Copy_relocs code.
6140         * reloc.h: Likewise.
6141         * reloc-types.h (struct Reloc_types) [both versions]: Add
6142         get_reloc_addend_noerror.
6143         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6144         variants of add_global which take an addend which must be zero.
6145         * i386.cc: Include "copy-relocs.h".
6146         (class Target_i386): Change type of copy_relocs_ to variable,
6147         update initializer.
6148         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6149         Change all callers.
6150         (Target_i386::do_finalize_sections): Change handling of
6151         copy_relocs_.
6152         * sparc.cc: Include "copy-relocs.h".
6153         (class Target_sparc): Change type of copy_relocs_ to variable,
6154         update initializer.
6155         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6156         Change all callers.
6157         (Target_sparc::do_finalize_sections): Change handling of
6158         copy_relocs_.
6159         * x86_64.cc: Include "copy-relocs.h".
6160         (class Target_x86_64): Change type of copy_relocs_ to variable,
6161         update initializer.
6162         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6163         class.  Change all callers.
6164         (Target_x86_64::do_finalize_sections): Change handling of
6165         copy_relocs_.
6166         * Makefile.am (CCFILES): Add copy-relocs.cc.
6167         (HFILES): Add copy-relocs.h.
6168
6169         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6170
6171         * testsuite/script_test_4.sh: Permit leading zeroes.
6172
6173 2008-04-15  Ian Lance Taylor  <iant@google.com>
6174
6175         * script-sections.cc (Script_sections::create_segments): Use
6176         header_size_adjustment even when there is enough room for the
6177         headers.
6178         * testsuite/script_test_4.sh: New file.
6179         * testsuite/script_test_4.t: New file.
6180         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
6181         (check_DATA): Add script_test_4.stdout.
6182         (MOSTLYCLEANFILES): Likewise.
6183         (script_test_4): New target.
6184         (script_test_4.stdout): New target.
6185         * testsuite/Makefile.in: Rebuild.
6186
6187         * sparc.cc: Add definitions for Output_data_plt_sparc class
6188         constants.
6189
6190 2008-04-14  David S. Miller  <davem@davemloft.net>
6191
6192         * sparc.cc: New file.
6193         * Makefile.am (TARGETSOURCES): Add sparc.cc
6194         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
6195         * configure.tgt: Document targ_extra_size and
6196         targ_extra_big_endian.  Add entries for sparc-* and
6197         sparc64-*.
6198         * configure.ac: Handle targ_extra_size and
6199         targ_extra_big_endian.
6200         * Makefile.in: Rebuild.
6201         * configure: Likewise.
6202         * po/POTFILES.in: Likewise.
6203         * po/gold.pot: Likewise.
6204
6205 2008-04-14  Ian Lance Taylor  <iant@google.com>
6206
6207         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
6208         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
6209         in the name/type/flags to section mapping.  Don't call
6210         allocate_output_section.
6211         (Layout::choose_output_section): Change parameter from adjust_name
6212         to is_input_section.  Don't permit input sections after sections
6213         are attached to segments.  Don't call allocate_output_section.
6214         (Layout::layout_eh_frame): Call update_flags_for_input_section,
6215         not write_enable_output_section.
6216         (Layout::make_output_section): Don't push to
6217         unattached_section_list_ nor call attach_to_segment.  Call
6218         attach_section_to_segment if sections are attached.
6219         (Layout::attach_sections_to_segments): New function.
6220         (Layout::attach_section_to_segment): New function.
6221         (Layout::attach_allocated_section_to_segment): Rename from
6222         attach_to_segment.  Remove flags parameter.
6223         (Layout::allocate_output_section): Remove function.
6224         (Layout::write_enable_output_section): Remove function.
6225         * layout.h (class Layout): Update for above changes.  Add new
6226         field sections_are_attached_.
6227         * output.h (Output_section::update_flags_for_input_section): New
6228         function.
6229         * output.cc (Output_section::add_input_section): Call
6230         update_flags_for_input_section.
6231         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
6232
6233 2008-04-11  Cary Coutant  <ccoutant@google.com>
6234
6235         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
6236         thought unnecessary.
6237         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
6238
6239 2008-04-11  Ian Lance Taylor  <iant@google.com>
6240
6241         * output.h (class Output_section_data): Remove inline definition
6242         of set_addralign.
6243         * output.cc (Output_section_data::set_addralign): New function.
6244
6245 2008-04-11  Cary Coutant  <ccoutant@google.com>
6246
6247         Add support for TLS descriptors for i386 and x86_64.
6248         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
6249         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
6250         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
6251         GOT_TYPE_TLS_DESC.
6252         (Target_i386::got_mod_index_entry): Remove unnecessary code.
6253         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
6254         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
6255         relocations.
6256         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
6257         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
6258         Fix problem with initial-exec relocations.
6259         (Target_i386::Relocate::relocate_tls): Likewise.
6260         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
6261         relaxation.
6262         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
6263         support for section-plus-offset dynamic table entries.
6264         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
6265         (Output_data_dynamic::Dynamic_entry): Add support for
6266         section-plus-offset dynamic table entries.
6267         (Output_data_dynamic::Classification): Likewise.
6268         (Output_data_dynamic::classification_): Renamed offset_.
6269         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
6270         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
6271         (Target_x86_64::make_plt_section): New function.
6272         (Target_x86_64::reserve_tlsdesc_entries): New function.
6273         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
6274         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
6275         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
6276         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
6277         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
6278         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
6279         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
6280         add extra PLT entry for TLS descriptors.
6281         (Output_data_plt_x86_64::got_): New field.
6282         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
6283         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
6284         fields.
6285         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
6286         descriptors.
6287         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
6288         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
6289         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
6290         R_386_TLS_DESC_CALL relocations.
6291         (Target_x86_64::Scan::global): Likewise.
6292         (Target_x86_64::do_finalize_sections): Add dynamic table entries
6293         for TLS descriptors.
6294         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
6295         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
6296         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
6297         GD-to-IE relaxation.
6298         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
6299         and TLS_DESCRIPTORS.
6300         * Makefile.in: Rebuild.
6301         * configure: Rebuild.
6302         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
6303         (tls_test_shared2.so): New target.
6304         (tls_shared_gd_to_ie_test_SOURCES): New variable.
6305         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
6306         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
6307         (tls_shared_gd_to_ie_test_LDADD): New variable.
6308         (tls_shared_gnu2_gd_to_ie_test): New target.
6309         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
6310         New targets.
6311         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
6312         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
6313         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
6314         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
6315         (tls_shared_gnu2_test): New target.
6316         (tls_test_gnu2_shared.so): New target.
6317         (tls_shared_gnu2_test_SOURCES): New variable.
6318         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
6319         (tls_shared_gnu2_test_LDFLAGS): New variable.
6320         (tls_shared_gnu2_test_LDADD): New variable.
6321         * testsuite/Makefile.in: Rebuild.
6322         * testsuite/Makefile.
6323
6324 2008-04-11  Ian Lance Taylor  <iant@google.com>
6325
6326         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
6327         justsyms.t.
6328         * testsuite/Makefile.in: Rebuild.
6329
6330         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
6331         long.
6332         * testsuite/script_test_2.cc (main): Adjust test.
6333
6334 2008-04-11  David S. Miller  <davem@davemloft.net>
6335             Ian Lance Taylor  <iant@google.com>
6336
6337         * options.h (General_options): Add entries for '-Y' and
6338         '-relax'.
6339         * options.cc (General_options:finalize): If -Y was used, add those
6340         entries to the library path instead of the default "/lib" and
6341         "/usr/lib".
6342
6343 2008-04-11  David S. Miller  <davem@davemloft.net>
6344
6345         * testsuite/justsyms.t: Start at 0x100.
6346         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
6347         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
6348         long.
6349         * testsuite/script_test_2.cc: Adjust string and section length
6350         checks.
6351
6352 2008-04-09  Ian Lance Taylor  <iant@google.com>
6353
6354         PR gold/5996
6355         * script-sections.cc (Sections_element::allocate_to_segment): Add
6356         orphan parameter.
6357         (Output_section_definition::allocate_to_segment): Likewise.
6358         (Orphan_output_section::allocate_to_segment): Likewise.
6359         (Script_sections::attach_sections_using_phdrs_clause): Don't
6360         propagate non-PT_LOAD segments to orphan sections.
6361         * testsuite/Makefile.am (script_test_3.stdout): Generate using
6362         readelf rather than objdump.
6363         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
6364         .interp section and PT_INTERP segment are the same size.
6365         * testsuite/Makefile.in: Rebuild.
6366
6367         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
6368         aliases for symbols defined in the same object.
6369         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
6370         (weak_alias_test_SOURCES): New variable.
6371         (weak_alias_test_DEPENDENCIES): New variable.
6372         (weak_alias_test_LDFLAGS): New variable.
6373         (weak_alias_test_LDADD): New variable.
6374         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
6375         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
6376         (weak_alias_test_3.o): New target.
6377         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
6378         * testsuite/weak_alias_test_main.cc: New file.
6379         * testsuite/weak_alias_test_1.cc: New file.
6380         * testsuite/weak_alias_test_2.cc: New file.
6381         * testsuite/weak_alias_test_3.cc: New file.
6382
6383 2008-04-08  Ian Lance Taylor  <iant@google.com>
6384
6385         * options.h (class General_options): Add --noinhibit-exec option.
6386         * main.cc (main): Check --noinhibit-exec.
6387
6388         * options.h (class General_options): Define --wrap as a special
6389         option.  Add wrap_symbols_ field.
6390         (General_options::any_wrap_symbols): New function.
6391         (General_options::is_wrap_symbol): New function.
6392         * options.cc (General_options::parse_wrap): New function.
6393         (General_options::General_options): Initialize wrap_symbols_.
6394         * symtab.cc (Symbol_table::wrap_symbol): New function.
6395         (Symbol_table::add_from_object): Handle --wrap.
6396         * symtab.h (class Symbol_table): Declare wrap_symbol.
6397         * target.h (Target::wrap_char): New function.
6398         (Target::Target_info): Add wrap_char field.
6399         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
6400         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6401         * testsuite/testfile.cc (Target_test::test_target_info):
6402         Likewise.
6403
6404         * errors.cc (Errors::undefined_symbol): Mention symbol version if
6405         there is one.
6406
6407         * layout.h (class Layout): Add added_eh_frame_data_ field.
6408         * layout.cc (Layout::Layout): Initialize new field.
6409         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
6410         output section until we find a section we merged successfully.
6411         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
6412         that the size be non-zero.
6413
6414         * merge.cc (Object_merge_map::get_output_offset): Remove inline
6415         qualifier.
6416
6417 2008-04-08  Craig Silverstein  <csilvers@google.com>
6418
6419         * configure.ac: Export new conditional variable HAVE_ZLIB.
6420         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
6421         on HAVE_ZLIB.
6422         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
6423         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6424
6425 2008-04-07  Ian Lance Taylor  <iant@google.com>
6426
6427         * version.cc (version_string): Set to "1.5".
6428
6429         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
6430         Add issued_non_pic_error_ field.  Declare check_non_pic.
6431         (Target_x86_64::Scan::check_non_pic): New function.
6432         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
6433         (Target_x86_64::Scan::global): Likewise.
6434
6435         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
6436         addend parameter.  Change caller.  Handle merge sections.
6437         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
6438         Address to Addend.  Don't add in the result of
6439         local_section_offset, pass down the addend and use the returned
6440         value.
6441         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
6442         Update declarations of local_section_offset and symbol_value.
6443         * testsuite/two_file_test_1.cc (t18): New function.
6444         * testsuite/two_file_test_2.cc (f18): New function.
6445         * testsuite/two_file_test_main.cc (main): Call t18.
6446         * testsuite/two_file_test.h (t18, f18): Declare.
6447
6448         * configure.ac: Don't test for objdump, c++filt, or readelf.
6449         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
6450         conditionals.
6451         (TEST_READELF): New variable.
6452         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
6453         (check_PROGRAMS): Add two_file_strip_test.
6454         (two_file_strip_test): New target.
6455         (check_PROGRAMS): Add two_file_same_shared_strip_test.
6456         (two_file_same_shared_strip_test_SOURCES): New variable.
6457         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
6458         (two_file_same_shared_strip_test_LDFLAGS): New variable.
6459         (two_file_same_shared_strip_test_LDADD): New variable.
6460         (two_file_shared_strip.so): New target.
6461         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
6462         (ver_test_5.syms, ver_test_7.syms): Likewise.
6463         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
6464         (strip_test_3.stdout): Use TEST_OBJDUMP.
6465         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6466
6467 2008-04-04  Cary Coutant  <ccoutant@google.com>
6468
6469         * symtab.h (Symbol::is_weak_undefined): New function.
6470         (Symbol::is_strong_undefined): New function.
6471         (Symbol::is_absolute): New function.
6472         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
6473         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
6474         absolute symbols.
6475         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
6476         (weak_undef_test): New target.
6477         * testsuite/Makefile.in: Rebuild.
6478         * testsuite/weak_undef_file1.cc: New file.
6479         * testsuite/weak_undef_file2.cc: New file.
6480         * testsuite/weak_undef_test.cc: New file.
6481
6482 2008-04-03  Craig Silverstein  <csilvers@google.com>
6483
6484         * compressed_output.h (class Output_compressed_section): Use
6485         unsigned buffer.
6486         * compressed_output.cc (zlib_compress): Use unsigned buffers,
6487         add zlib header.
6488         (zlib_compressed_suffix): Removed.
6489         (Output_compressed_section::set_final_data_size): Use unsigned
6490         buffers.
6491         * testsuite/Makefile.am (flagstest_compress_debug_sections):
6492         Fix linker invocation.
6493         (flagstest_o_specialfile_and_compress_debug_sections):
6494         Likewise.
6495         * testsuite/Makefile.in: Regenerated.
6496
6497 2008-04-02  David S. Miller  <davem@davemloft.net>
6498
6499         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
6500         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
6501
6502 2008-04-02  Craig Silverstein  <csilvers@google.com>
6503
6504         * TODO: New file.
6505
6506 2008-04-02  Ian Lance Taylor  <iant@google.com>
6507
6508         * fileread.cc (File_read::find_view): Add byteshift and vshifted
6509         parameters.  Update for new key type to views_.  Change all
6510         callers.
6511         (File_read::read): Adjust for byteshift in returned view.
6512         (File_read::add_view): New function, broken out of
6513         find_and_make_view.
6514         (File_read::make_view): New function, broken out of
6515         find_and_make_view.
6516         (File_read::find_or_make_view): Add offset and aligned
6517         parameters.  Rewrite accordingly.  Change all callers.
6518         (File_read::get_view): Add offset and aligned parameters.  Adjust
6519         for byteshift in return value.
6520         (File_read::get_lasting_view): Likewise.
6521         * fileread.h (class File_read): Update declarations.
6522         (class File_read::View): Add byteshift_ field.  Add byteshift to
6523         constructor.  Add byteshift method.
6524         * archive.h (Archive::clear_uncached_views): New function.
6525         (Archive::get_view): Add aligned parameter.  Change all callers.
6526         * object.h (Object::get_view): Add aligned parameter.  Change all
6527         callers.
6528         (Object::get_lasting_view): Likewise.
6529
6530         * fileread.cc (File_read::release): Don't call clear_views if
6531         there are multiple objects.
6532         * fileread.h (File_read::clear_uncached_views): New function.
6533         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
6534         on the archive.
6535
6536 2008-03-31  Cary Coutant  <ccoutant@google.com>
6537
6538         Add thin archive support.
6539         * archive.cc (Archive::armagt): New const.
6540         (Archive::setup): Remove task parameter and calls to unlock.
6541         (Archive::unlock_nested_archives): New function.
6542         (Archive::read_header): Add nested_off parameter. Change
6543         all callers.
6544         (Archive::interpret_header): Likewise.
6545         (Archive::include_all_members): Change to handle thin
6546         archives.
6547         (Archive::include_member): Likewise.
6548         * archive.h (Archive::Archive): Add new parameters and
6549         initializers.
6550         (Archive::armagt): New const.
6551         (Archive::setup): Remove task parameter.
6552         (Archive::unlock_nested_archives): New function.
6553         (Archive::read_header): Add nested_off parameter.
6554         (Archive::interpret_header): Likewise.
6555         (Archive::Nested_archive_table): New typedef.
6556         (Archive::is_thin_archive_): New field.
6557         (Archive::nested_archives_): New field.
6558         (Archive::options_): New field.
6559         (Archive::dirpath_): New field.
6560         (Archive::task_): New field.
6561         * readsyms.cc (Read_symbols::do_read_symbols): Add check
6562         for thin archives.  Pass additional parameters to
6563         Archive::Archive.  Unlock the archive file after calling
6564         Archive::setup.
6565
6566 2008-03-29  Ian Lance Taylor  <iant@google.com>
6567
6568         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
6569         version symbol to be local.
6570         * testsuite/ver_test_4.sh: New file.
6571         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
6572         (check_DATA): Add ver_test_4.syms.
6573         (ver_test_4.syms): New target.
6574         * testsuite/Makefile.in: Rebuild.
6575
6576         * output.cc
6577         (Output_section::Input_section_sort_entry::has_priority): New
6578         function.
6579         (Output_section::Input_section_sort_entry::match_file_name): New
6580         function.
6581         (Output_section::Input_section_sort_entry::match_section_name):
6582         Remove.
6583         (Output_section::Input_section_sort_entry::match_section_name_prefix):
6584         Remove.
6585         (Output_section::Input_section_sort_entry::match_section_file):
6586         Remove.
6587         (Output_section::Input_section_sort_compare::operator()): Rewrite
6588         using new Input_section_sort_entry functions.  Sort crtbegin and
6589         crtend first.  Sort sections with no priority before sections with
6590         a priority.
6591         * testsuite/initpri1.c (d3): Check j != 4.
6592         (cd5): New constructor/destructor function.
6593         (main): Check j != 2.
6594
6595         * symtab.cc (Symbol_table::add_from_object): If we don't use the
6596         new symbol when resolving, don't call set_is_default.
6597         * testsuite/ver_test_7.cc: New file.
6598         * testsuite/ver_test_7.sh: New file.
6599         * testsuite/Makefile.am (ver_test_7.so): New target.
6600         (ver_test_7.o): New target.
6601         (check_SCRIPTS): Add ver_test_7.sh.
6602         (check_DATA): Add ver_test_7.syms.
6603         (ver_test_7.syms): New target.
6604
6605 2008-03-28  Ian Lance Taylor  <iant@google.com>
6606
6607         * layout.cc (Layout::layout): If we see an input section with a
6608         name that needs sorting, set the must_sort flag for the output
6609         section.
6610         (Layout::make_output_section): If the name of the output section
6611         indicates that it might require sorting, set the may_sort flag.
6612         * output.h (Output_section::may_sort_attached_input_sections): New
6613         function.
6614         (Output_section::set_may_sort_attached_input_sections): New
6615         function.
6616         (Output_section::must_sort_attached_input_sections): New
6617         function.
6618         (Output_section::set_must_sort_attached_input_sections): New
6619         function.
6620         (class Output_section): Declare Input_section_sort_entry.  Define
6621         Input_section_sort_compare.  Declare
6622         sort_attached_input_sections.  Add new fields:
6623         may_sort_attached_input_sections_,
6624         must_sort_attached_input_sections_,
6625         attached_input_sections_are_sorted_.
6626         * output.cc (Output_section::Output_section): Initialize new
6627         fields.
6628         (Output_section::add_input_section): Add an entry to
6629         input_sections_ if may_sort or must_sort are true.
6630         (Output_section::set_final_data_size): Call
6631         sort_attached_input_sections if necessary.
6632         (Output_section::Input_section_sort_entry): Define new class.
6633         (Output_section::Input_section_sort_compare::operator()): New
6634         function.
6635         (Output_section::sort_attached_input_sections): New function.
6636         * configure.ac: Check whether the compiler supports constructor
6637         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
6638         * testsuite/initpri1.c: New file.
6639         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
6640         CONSTRUCTOR_PRIORITY.
6641         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
6642         (initpri1_LDFLAGS): New variable.
6643         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6644
6645 2008-03-27  Ian Lance Taylor  <iant@google.com>
6646
6647         * common.cc (Sort_commons::operator): Correct sorting algorithm.
6648         * testsuite/common_test_1.c: New file.
6649         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
6650         (common_test_1_SOURCES): New variable.
6651         (common_test_1_DEPENDENCIES): New variable.
6652         (common_test_1_LDFLAGS): New variable.
6653
6654         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
6655         and commons_ correctly when NAME/VERSION does not override
6656         NAME/NULL.
6657         * testsuite/ver_test_6.c: New file.
6658         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
6659         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
6660         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
6661
6662 2008-03-26  Ian Lance Taylor  <iant@google.com>
6663
6664         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
6665         of an undefined symbol from a version script.
6666         * testsuite/Makefile.am (ver_test_5.so): New target.
6667         (ver_test_5.o): New target.
6668         (check_SCRIPTS): Add ver_test_5.sh.
6669         (check_DATA): Add ver_test_5.syms.
6670         (ver_test_5.syms): New target.
6671         * testsuite/ver_test_5.cc: New file.
6672         * testsuite/ver_test_5.script: New file.
6673         * testsuite/ver_test_5.sh: New file.
6674         * Makefile.in, testsuite/Makefile.in: Rebuild.
6675
6676         PR gold/5986
6677         Fix problems building gold with gcc 4.3.0.
6678         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
6679         (gold_error_at_location, gold_warning_at_location): Use it.
6680         * configure.ac: Check whether we can compile and use a template
6681         function with a printf attribute.
6682         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
6683         when jumping over bytes.
6684         * object.cc: Instantiate Object::read_section_data.
6685         * debug.h: Include <cstring>
6686         * dwarf_reader.cc: Include <algorithm>
6687         * main.cc: Include <cstring>.
6688         * options.cc: Include <cstring>.
6689         * output.cc: Include <cstring>.
6690         * script.cc: Include <cstring>.
6691         * script.h: Include <string>.
6692         * symtab.cc: Include <cstring> and <algorithm>.
6693         * target-select.cc: Include <cstring>.
6694         * version.cc: Include <string>.
6695         * testsuite/testmain.cc: Include <cstdlib>.
6696         * configure, config.in: Rebuild.
6697
6698 2008-03-25  Ian Lance Taylor  <iant@google.com>
6699
6700         * options.cc: Include "../bfd/bfdver.h".
6701         (options::help): Print bug reporting address.
6702
6703         * version.cc (print_version): Adjust output for current value of
6704         BFD_VERSION_STRING.
6705
6706         * NEWS: New file.
6707
6708         * options.cc (options::help): Print list of supported targets.
6709         * target-select.h: Include <vector>.
6710         (class Target_selector): Make machine_, size_, and is_big_endian_
6711         fields const.  Add bfd_name_ and instantiated_target_ fields.
6712         (Target_selector::Target_selector): Add bfd_name parameter.
6713         (Target_selector::recognize): Make non-virtual, call
6714         do_recognize.
6715         (Target_selector::recognize_by_name): Make non-virtual, call
6716         do_recognize_by_name.
6717         (Target_selector::supported_names): New function.
6718         (Target_selector::bfd_name): New function.
6719         (Target_selector::do_instantiate_target): New pure virtual
6720         function.
6721         (Target_selector::do_recognize): New virtual function.
6722         (Target_selector::do_recognize_by_name): New virtual function.
6723         (Target_selector::instantiate_target): New private function.
6724         (supported_target_names): Declare.
6725         * target-select.cc (Target_selector::Target_selector): Update for
6726         new parameter and fields.
6727         (select_target_by_name): Check that the name matches before
6728         calling recognize_by_name.
6729         (supported_target_names): New function.
6730         * i386.cc (class Target_selector_i386): Update Target_selector
6731         constructor call.  Remove recognize and recognize_by_name.  Add
6732         do_instantiate_target.
6733         * x86_64.cc (class Target_selector_x86_64): Likewise.
6734         * testsuite/testfile.cc (class Target_selector_test): Update for
6735         changes to Target_selector.
6736
6737         * README: Rewrite, with some notes on unsupported features.
6738
6739 2008-03-24  Cary Coutant  <ccoutant@google.com>
6740
6741         * i386.cc (Target_i386::Got_type): New enum declaration.
6742         (Target_i386::Scan::local): Updated callers of Output_data_got
6743         member functions.
6744         (Target_i386::Scan::global): Likewise.
6745         (Target_i386::Relocate::relocate): Likewise.
6746         (Target_i386::Relocate::relocate_tls): Likewise.
6747         * object.h (Got_offset_list): New class.
6748         (Sized_relobj::local_has_got_offset): Added got_type parameter.
6749         (Sized_relobj::local_got_offset): Likewise.
6750         (Sized_relobj::set_local_got_offset): Likewise.
6751         (Sized_relobj::local_has_tls_got_offset): Removed.
6752         (Sized_relobj::local_tls_got_offset): Removed.
6753         (Sized_relobj::set_local_tls_got_offset): Removed.
6754         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
6755         * output.cc (Output_data_got::add_global): Added got_type parameter.
6756         (Output_data_got::add_global_with_rel): Likewise.
6757         (Output_data_got::add_global_with_rela): Likewise.
6758         (Output_data_got::add_global_pair_with_rel): New function.
6759         (Output_data_got::add_global_pair_with_rela): New function.
6760         (Output_data_got::add_local): Added got_type parameter.
6761         (Output_data_got::add_local_with_rel): Likewise.
6762         (Output_data_got::add_local_with_rela): Likewise.
6763         (Output_data_got::add_local_pair_with_rel): New function.
6764         (Output_data_got::add_local_pair_with_rela): New function.
6765         (Output_data_got::add_global_tls): Removed.
6766         (Output_data_got::add_global_tls_with_rel): Removed.
6767         (Output_data_got::add_global_tls_with_rela): Removed.
6768         (Output_data_got::add_local_tls): Removed.
6769         (Output_data_got::add_local_tls_with_rel): Removed.
6770         (Output_data_got::add_local_tls_with_rela): Removed.
6771         * output.h (Output_data_got::add_global): Added got_type parameter.
6772         (Output_data_got::add_global_with_rel): Likewise.
6773         (Output_data_got::add_global_with_rela): Likewise.
6774         (Output_data_got::add_global_pair_with_rel): New function.
6775         (Output_data_got::add_global_pair_with_rela): New function.
6776         (Output_data_got::add_local): Added got_type parameter.
6777         (Output_data_got::add_local_with_rel): Likewise.
6778         (Output_data_got::add_local_with_rela): Likewise.
6779         (Output_data_got::add_local_pair_with_rel): New function.
6780         (Output_data_got::add_local_pair_with_rela): New function.
6781         (Output_data_got::add_global_tls): Removed.
6782         (Output_data_got::add_global_tls_with_rel): Removed.
6783         (Output_data_got::add_global_tls_with_rela): Removed.
6784         (Output_data_got::add_local_tls): Removed.
6785         (Output_data_got::add_local_tls_with_rel): Removed.
6786         (Output_data_got::add_local_tls_with_rela): Removed.
6787         * resolve.cc (Symbol::override_base_with_special): Removed
6788         reference to has_got_offset_ field.
6789         * symtab.cc (Symbol::init_fields): Replaced initialization
6790         of got_offset_ with got_offsets_.  Removed initialization
6791         of has_got_offset_
6792         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
6793         (Symbol::got_offset): Likewise.
6794         (Symbol::set_got_offset): Likewise.
6795         (Symbol::has_tls_got_offset): Removed.
6796         (Symbol::tls_got_offset): Removed.
6797         (Symbol::set_tls_got_offset): Removed.
6798         (Symbol::got_offset_): Removed.
6799         (Symbol::tls_mod_got_offset_): Removed.
6800         (Symbol::tls_pair_got_offset_): Removed.
6801         (Symbol::got_offsets_): New field.
6802         (Symbol::has_got_offset): Removed.
6803         (Symbol::has_tls_mod_got_offset): Removed.
6804         (Symbol::has_tls_pair_got_offset): Removed.
6805         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
6806         (Target_x86_64::Scan::local): Updated callers of Output_data_got
6807         member functions.
6808         (Target_x86_64::Scan::global): Likewise.
6809         (Target_x86_64::Relocate::relocate): Likewise.
6810         (Target_x86_64::Relocate::relocate_tls): Likewise.
6811
6812 2008-03-25  Ben Elliston  <bje@au.ibm.com>
6813
6814         * yyscript.y: Fix spelling error in comment.
6815
6816 2008-03-24  Ian Lance Taylor  <iant@google.com>
6817
6818         * options.h (class General_options): Define build_id option.
6819         * layout.h (class Layout): Declare write_build_id, create_note,
6820         create_build_id.  Add build_id_note_ member.
6821         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
6822         "libiberty.h", "md5.h", "sha1.h".
6823         (Layout::Layout): Initialize eh_frame_data_,
6824         eh_frame_hdr_section_, and build_id_note_.
6825         (Layout::finalize): Call create_build_id.
6826         (Layout::create_note): New function, broken out of
6827         Layout::create_gold_note.
6828         (Layout::create_gold_note): Call create_note.
6829         (Layout::create_build_id): New function.
6830         (Layout::write_build_id): New function.
6831         (Close_task_runner::run): Call write_build_id.
6832
6833         * x86_64.cc: Correct license to GPLv3.
6834
6835 2008-03-23  Ian Lance Taylor  <iant@google.com>
6836
6837         * options.cc: Include "demangle.h".
6838         (parse_optional_string): New function.
6839         (parse_long_option): Handle takes_optional_argument.
6840         (parse_short_option): Update dash_z initializer.  Handle
6841         takes_optional_argument.
6842         (General_options::General_options): Initialize do_demangle_.
6843         (General_options::finalize): Set do_demangle_.  Handle demangling
6844         style.
6845         * options.h (parse_optional_string): Declare.
6846         (struct One_option): Add optional_arg field.  Update constructor.
6847         Update call constructor calls.  Add takes_optional_argument
6848         function.
6849         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
6850         (DEFINE_optional_string): Define.
6851         (General_options::demangle): Change from DEFINE_bool to
6852         DEFINE_optional_string.
6853         (General_options::no_demangle): New function.
6854         (General_options::do_demangle): New function.
6855         (General_options::set_do_demangle): New function.
6856         (General_options::execstack_status_): Move definition to end of
6857         class definition.
6858         (General_options::static_): Likewise.
6859         (General_options::do_demangle_): New field.
6860         * object.cc (big_endian>::get_symbol_location_info): Call
6861         Options::do_demangle, not Options::demangle.
6862         * symtab.cc (demangle): Likewise.
6863
6864 2008-03-22  Ian Lance Taylor  <iant@google.com>
6865
6866         * gold.h: Include <cstddef> and <sys/types.h>
6867         * options.h: Include <cstring>.
6868
6869 2008-03-21  Ian Lance Taylor  <iant@google.com>
6870
6871         * Added source code to GNU binutils.