gold/ChangeLog

   1 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
   2
   3         * options.h (class General_options): Add -init and -fini.
   4         * layout.cc (Layout::finish_dynamic_section): Emit
   5         given init and fini functions.
   6
   7 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
   8
   9         * gc.h (gc_process_relocs): Check if icf is enabled using new
  10         function.
  11         * gold.cc (queue_initial_tasks): Likewise.
  12         (queue_middle_tasks): Likewise.
  13         * object.cc (do_layout): Likewise.
  14         * symtab.cc (is_section_folded): Likewise.
  15         * main.cc (main): Likewise.
  16         * reloc.cc (Read_relocs::run): Likewise.
  17         (Sized_relobj::do_scan_relocs): Likewise.
  18         * icf.cc (is_function_ctor_or_dtor): New function.
  19         (Icf::find_identical_sections): Check if function is ctor or dtor when
  20         safe icf is chosen.
  21         * options.h (General_options::icf): Change option to be an enum.
  22         (Icf_status): New enum.
  23         (icf_enabled): New method.
  24         (icf_safe_folding): New method.
  25         (set_icf_status): New method.
  26         (icf_status_): New variable.
  27         * (options.cc) (General_options::finalize): Set icf_status_.
  28         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
  29         icf_test and icf_keep_unique_test to use the --icf enum flag.
  30         * testsuite/icf_safe_test.sh: New file.
  31         * testsuite/icf_safe_test.cc: New file.
  32
  33 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
  34
  35         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
  36         includes to gc.h and icf.h.
  37         * arm.cc: Include gc.h.
  38         * gold.cc: Likewise.
  39         * i386.cc: Likewise.
  40         * powerpc.cc: Likewise.
  41         * sparc.cc: Likewise.
  42         * x86_64.cc: Likewise.
  43         * gc.h: Include icf.h.
  44
  45 2009-10-11  Ian Lance Taylor  <iant@google.com>
  46
  47         * plugin.cc: Include "gold.h" before other header files.
  48
  49 2009-10-10  Chris Demetriou  <cgd@google.com>
  50
  51         * options.h (Input_file_argument::Input_file_type): New enum.
  52         (Input_file_argument::is_lib_): Replace with...
  53         (Input_file_argument::type_): New member.
  54         (Input_file_argument::Input_file_argument): Take Input_file_type
  55         'type' rather than boolean 'is_lib' as second argument.
  56         (Input_file_argument::is_lib): Use type_.
  57         (Input_file_argument::is_searched_file): New function.
  58         (Input_file_argument::may_need_search): Handle is_searched_file.
  59         * options.cc (General_options::parse_library): Support -l:filename.
  60         (General_options::parse_just_symbols): Update for Input_file_argument
  61         changes.
  62         (Command_line::process): Likewise.
  63         * archive.cc (Archive::get_file_and_offset): Likewise.
  64         * plugin.cc (Plugin_manager::release_input_file): Likewise.
  65         * script.cc (read_script_file, script_add_file): Likewise.
  66         * fileread.cc (Input_file::Input_file): Likewise.
  67         (Input_file::will_search_for): Handle is_searched_file.
  68         (Input_file::open): Likewise.
  69         * readsyms.cc (Read_symbols::get_name): Likewise.
  70         * testsuite/Makefile.am (searched_file_test): New test.
  71         * testsuite/Makefile.in: Regenerate.
  72         * testsuite/searched_file_test.cc: New file.
  73         * testsuite/searched_file_test_lib.cc: New file.
  74
  75 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  76             Ian Lance Taylor  <iant@google.com>
  77
  78         * descriptor.cc: Include <cstdio> and "binary-io.h".
  79         (Descriptors::open): Open the files in binary mode always.
  80         * script.cc (Lex::get_token): Treat \r as whitespace.
  81
  82 2009-10-09  Ian Lance Taylor  <iant@google.com>
  83
  84         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
  85
  86 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  87             Ian Lance Taylor  <iant@google.com>
  88
  89         * configure.ac: Check for readv function also.
  90         * fileread.cc (readv): Define if not HAVE_READV.
  91         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
  92         does not exist.
  93         * config.in: Regenerate.
  94         * configure: Regenerate.
  95
  96 2009-10-09  Doug Kwan  <dougkwan@google.com>
  97
  98         * layout.cc (Layout::make_output_section): Call target hook to make
  99         ordinary output section.
 100         (Layout::finalize): Adjust parameter list of call the
 101         Target::may_relax().
 102         * layout.h (class Layout::section_list): New method.
 103         * merge.h (Output_merge_base::entsize): Change visibility to public.
 104         (Output_merge_base::is_string, Output_merge_base::do_is_string):
 105         New methods.
 106         (Output_merge_string::do_is_string): New method.
 107         * object.cc (Sized_relobj::do_setup): renamed from
 108         Sized_relobj::set_up.
 109         * object.h (Sized_relobj::adjust_shndx,
 110         Sized_relobj::initializ_input_to_output_maps,
 111         Sized_relobj::free_input_to_output_maps): Change visibilities to
 112         protected.
 113         (Sized_relobj::setup): Virtualize.
 114         (Sized_relobj::do_setup): New method declaration.
 115         (Sized_relobj::invalidate_section_offset,
 116         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
 117         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
 118         * options.cc (parse_int): New function.
 119         * options.h (parse_int): New declaration.
 120         (DEFINE_int): New macro.
 121         (stub_group_size): New option.
 122         * output.cc (Output_section::Output_section): Initialize memebers
 123         merge_section_map_, merge_section_by_properties_map_,
 124         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
 125         (Output_section::add_input_section): Handled deferred code-fill
 126         generation and remove an old comment.
 127         (Output_section::add_relaxed_input_section): New method definition.
 128         (Output_section::add_merge_input_section): Use merge section by
 129         properties map to speed to search.  Update merge section maps
 130         as appropriate.
 131         (Output_section::build_relaxation_map): New method definition.
 132         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
 133         Same.
 134         (Output_section::relax_input_section): Renamed to
 135         Output_section::convert_input_sections_to_relaxed_sections and change
 136         interface to take a vector of pointers to relaxed sections.
 137         (Output_section::find_merge_section,
 138         Output_section::find_relaxed_input_section): New method definitions.
 139         (Output_section::is_input_address_mapped,
 140         Output_section::output_offset, Output_section::output_address):
 141         Use output section data maps to speed up searching.
 142         (Output_section::find_starting_output_address): Add comments.
 143         (Output_section::do_write,
 144         Output_section::write_to_postprocessing_buffer): Do code-fill
 145         generation as appropriate.
 146         (Output_section::get_input_sections): Invalidate relaxed input section
 147         map.
 148         (Output_section::restore_states): Adjust type of checkpoint .
 149         Invalidate relaxed input section map.
 150         * output.h (Output_merge_base): New class declaration.
 151         (Input_section_specifier): New class defintion.
 152         (class Output_relaxed_input_section) Change base class to
 153         Output_section_data_build.
 154         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
 155         base class initializer.
 156         (Output_section::add_relaxed_input_section): New method declaration.
 157         (Output_section::Input_section): Change visibility to protected.
 158         (Output_section::Input_section::relobj,
 159         Output_section::Input_section::shndx): Handle relaxed input sections.
 160         Output_section::input_sections) Change visibility to protected.  Also
 161         define overload to return a non-const pointer.
 162         (Output_section::Merge_section_properties): New class defintion.
 163         (Output_section::Merge_section_by_properties_map,
 164         Output_section::Output_section_data_by_input_section_map,
 165         Output_section::Relaxation_map): New types.
 166         (Output_section::relax_input_section): Rename method to
 167         Output_section::convert_input_sections_to_relaxed_sections and change
 168         interface to take a vector of relaxed section pointers.
 169         (Output_section::find_merge_section,
 170         Output_section::find_relaxed_input_section,
 171         Output_section::build_relaxation_map,
 172         Output_section::convert_input_sections_in_list_to_relaxed_sections):
 173         New method declarations.
 174         (Output_section::merge_section_map_
 175         Output_section::merge_section_by_properties_map_,
 176         Output_section::relaxed_input_section_map_,
 177         Output_section::is_relaxed_input_section_map_valid_,
 178         Output_section::generate_code_fills_at_write_): New data members.
 179         * script-sections.cc
 180         (Output_section_element_input::set_section_addresses): Call
 181         current_data_size and addralign methods of relaxed input sections.
 182         (Orphan_output_section::set_section_addresses): Call current_data_size
 183         and addralign methods of relaxed input sections.
 184         * symtab.cc (Symbol_table::compute_final_value): Extract template
 185         from the body of Symbol_table::sized_finalize_symbol.
 186         (Symbol_table::sized_finalized_symbol): Call
 187         Symbol_table::compute_final_value.
 188         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
 189         (Symbol_table::compute_final_value): New templated method declaration.
 190         * target.cc (Target::do_make_output_section): New method defintion.
 191         * target.h (Target::make_output_section): New method declaration.
 192         (Target::relax): Add more parameters for input objects, symbol table
 193         and layout.  Adjust call to do_relax.
 194         (Target::do_make_output_section): New method declaration.
 195         (Target::do_relax): Add parameters for input objects, symbol table
 196         and layout.
 197
 198 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 199
 200         * pread.c: Include stdio.h.
 201
 202 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 203
 204         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
 205         defined.
 206
 207 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 208
 209         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 210         Change read_shndx type to unsigned int.
 211         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
 212         int.
 213         (Sized_dwarf_line_info::read_line_mappings): Likewise.
 214         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
 215         Change read_shndx type to unsigned int.
 216         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
 217         int.
 218         (Sized_dwarf_line_info::read_line_mappings): Likewise.
 219         * layout.cc (Layout::create_symtab_sections): Cast the result of
 220         local_symcount * symsize to off_t in the gold_assert.
 221
 222 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 223
 224         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
 225         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
 226         R_ARM_BASE_ABS.
 227         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
 228         (Arm_relocate_functions::thm_abs5): New function.
 229         (Arm_relocate_functions::abs12): New function.
 230         (Arm_relocate_functions::abs16): New function.
 231         (Arm_relocate_functions::base_abs): New function.
 232         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
 233         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
 234         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
 235         R_ARM_BASE_ABS.
 236         (Scan::global): Likewise.
 237         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
 238         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
 239         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
 240         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
 241         R_ARM_BASE_ABS.
 242
 243 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 244
 245         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
 246         (Arm_relocate_functions::movt_prel): New function.
 247         (Arm_relocate_functions::thm_movw_prel_nc): New function.
 248         (Arm_relocate_functions::thm_movt_prel): New function.
 249         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
 250         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
 251         (Scan::global, Relocate::relocate): Likewise.
 252         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
 253
 254 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
 255
 256         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
 257         Incremental_checker.
 258         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
 259         unsigned int.
 260         (class Incremental_inputs_header): New class.
 261         (Incremental_inputs_header_writer): Edit comment.
 262         (Incremental_inputs_entry): New class.
 263         (Incremental_inputs_entry_writer): Edit comment.
 264         (Sized_incremental_binary::do_find_incremental_inputs_section):
 265         Add *strtab_shndx parameter, fill it.
 266         (Sized_incremental_binary::do_check_inputs): New method.
 267         (Incremental_checker::can_incrementally_link_output_file): Use
 268         Sized_incremental_binary::check_inputs.
 269         (Incremental_inputs::report_command_line): Save command line in
 270         command_line_.
 271         * incremental.h:
 272         (Incremental_binary::find_incremental_inputs_section): New
 273         method.
 274         (Incremental_binary::do_find_incremental_inputs_section): Add
 275         strtab_shndx parameter.
 276         (Incremental_binary::do_check_inputs): New pure virtual method.
 277         (Sized_incremental_binary::do_check_inputs): Declare.
 278         (Incremental_checker::Incremental_checker): Add incremental_inputs
 279         parameter, use it to initialize incremental_inputs_.
 280         (Incremental_checker::incremental_inputs_): New field.
 281         (Incremental_checker::command_line): New method.
 282         (Incremental_checker::inputs): New method.
 283         (Incremental_checker::command_line_): New field.
 284
 285 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
 286
 287         * incremental.cc: Include <cstdarg> and "target-select.h".
 288         (vexplain_no_incremental): New function.
 289         (explain_no_incremental): New function.
 290         (Incremental_binary::error): New method.
 291         (Sized_incremental_binary::do_find_incremental_inputs_section): New
 292         method.
 293         (make_sized_incremental_binary): New function.
 294         (open_incremental_binary): New function.
 295         (can_incrementally_link_file): Add checks if output is ELF and has
 296         inputs section.
 297         * incremental.h: Include "elfcpp_file.h" and "output.h".
 298         (Incremental_binary): New class.
 299         (Sized_incremental_binary): New class.
 300         (open_incremental_binary): Declare.
 301         * object.cc (is_elf_object): Use
 302         elfcpp::Elf_recognizer::is_elf_file.
 303         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
 304         * output.h (Output_file::filesize): New method.
 305
 306 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 307
 308         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
 309         New function.
 310         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
 311         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
 312         function.
 313         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
 314         function.
 315         (Arm_relocate_functions::movw_abs_nc): New function.
 316         (Arm_relocate_functions::movt_abs): New function.
 317         (Arm_relocate_functions::thm_movw_abs_nc): New function.
 318         (Arm_relocate_functions::thm_movt_abs): New function.
 319         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
 320         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
 321         (Scan::global): Likewise.
 322         (Relocate::relocate): Likewise.
 323         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
 324
 325 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 326
 327         * arm.cc (Arm_relocate_functions::got_prel) New function.
 328         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
 329         (Relocate::relocate): Likewise.
 330         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
 331
 332 2009-10-06  Ian Lance Taylor  <iant@google.com>
 333
 334         * options.h (class General_options): Define
 335         split_stack_adjust_size parameter.
 336         * object.h (class Object): Add uses_split_stack_ and
 337         has_no_split_stack_ fields.  Add uses_split_stack and
 338         has_no_split_stack accessor functions.  Declare
 339         handle_split_stack_section.
 340         (class Reloc_symbol_changes): Define.
 341         (class Sized_relobj): Define Function_offsets.  Declare
 342         split_stack_adjust, split_stack_adjust_reltype, and
 343         find_functions.
 344         * object.cc (Object::handle_split_stack_section): New function.
 345         (Sized_relobj::do_layout): Call handle_split_stack_section.
 346         * dynobj.cc (Sized_dynobj::do_layout): Call
 347         handle_split_stack_section.
 348         * reloc.cc (Sized_relobj::relocate_sections): Call
 349         split_stack_adjust for executable sections in split_stack
 350         objects.  Pass reloc_map to relocate_section.
 351         (Sized_relobj::split_stack_adjust): New function.
 352         (Sized_relobj::split_stack_adjust_reltype): New function.
 353         (Sized_relobj::find_functions): New function.
 354         * target-reloc.h: Include "object.h".
 355         (relocate_section): Add reloc_symbol_changes parameter.  Change
 356         all callers.
 357         * target.h (class Target): Add calls_non_split method.  Declare
 358         do_calls_non_split virtual method.  Declare match_view and
 359         set_view_to_nop.
 360         * target.cc: Include "elfcpp.h".
 361         (Target::do_calls_non_split): New function.
 362         (Target::match_view): New function.
 363         (Target::set_view_to_nop): New function.
 364         * gold.cc (queue_middle_tasks): Give an error if mixing
 365         split-stack and non-split-stack objects with -r.
 366         * i386.cc (Target_i386::relocate_section): Add
 367         reloc_symbol_changes parameter.
 368         (Target_i386::do_calls_non_split): New function.
 369         * x86_64.cc (Target_x86_64::relocate_section): Add
 370         reloc_symbol_changes parameter.
 371         (Target_x86_64::do_calls_non_split): New function.
 372         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
 373         parameter.
 374         * powerpc.cc (Target_powerpc::relocate_section): Add
 375         reloc_symbol_changes parameter.
 376         * sparc.cc (Target_sparc::relocate_section): Add
 377         reloc_symbol_changes parameter.
 378         * configure.ac: Call AM_CONDITIONAL for the default target.
 379         * configure: Rebuild.
 380         * testsuite/Makefile.am (TEST_AS): New variable.
 381         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
 382         (check_DATA): Add split_i386 and split_x86_64 files.
 383         (SPLIT_DEFSYMS): Define.
 384         (split_i386_[1234n].o): New targets.
 385         (split_i386_[124]): New targets.
 386         (split_i386_[1234r].stdout): New targets.
 387         (split_x86_64_[1234n].o): New targets.
 388         (split_x86_64_[124]): New targets.
 389         (split_x86_64_[1234r].stdout): New targets.
 390         (MOSTLYCLEANFILES): Add new executables.
 391         * testsuite/split_i386.sh: New file.
 392         * testsuite/split_x86_64.sh: New file.
 393         * testsuite/split_i386_1.s: New file.
 394         * testsuite/split_i386_2.s: New file.
 395         * testsuite/split_i386_3.s: New file.
 396         * testsuite/split_i386_4.s: New file.
 397         * testsuite/split_i386_n.s: New file.
 398         * testsuite/split_x86_64_1.s: New file.
 399         * testsuite/split_x86_64_2.s: New file.
 400         * testsuite/split_x86_64_3.s: New file.
 401         * testsuite/split_x86_64_4.s: New file.
 402         * testsuite/split_x86_64_n.s: New file.
 403         * testsuite/testfile.cc (Target_test): Update relocation_section
 404         function.
 405         * testsuite/Makefile.in: Rebuild.
 406
 407 2009-10-06  Ian Lance Taylor  <iant@google.com>
 408
 409         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
 410         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
 411         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
 412         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
 413         the address on ldo_addrs_.
 414         (Target_i386::Relocate::fix_up_ldo): New function.
 415
 416 2009-10-06   Rafael Espindola  <espindola@google.com>
 417
 418         * plugin.cc (add_input_library): New.
 419         (Plugin::load): Add add_input_library to tv.
 420         (Plugin_manager::add_input_file): Add the is_lib argument.
 421         (add_input_file): Update call to Plugin_manager::add_input_file.
 422         (add_input_library): New.
 423         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
 424
 425 2009-09-30  Doug Kwan  <dougkwan@google.com>
 426
 427         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
 428         symbol and call Symbol::may_need_copy_reloc to determine if
 429         a copy reloc is needed.
 430         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
 431         nocopyreloc is given in command line.
 432         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
 433         given in command line.
 434         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
 435         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
 436         of the removed Target_i386::may_need_copy_reloc.
 437         * options.h (copyreloc): New option with default value false.
 438         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
 439         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
 440         instead of the removed Target_powerpc::may_need_copy_reloc.
 441         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
 442         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
 443         instead of the removed Target_sparc::may_need_copy_reloc.
 444         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
 445         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
 446         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
 447         instead of the removed Target_x86_64::may_need_copy_reloc.
 448
 449 2009-09-30  Ian Lance Taylor  <iant@google.com>
 450
 451         * object.h (class Object): Remove target_ field, and target,
 452         sized_target, and set_target methods.
 453         (Object::sized_target): Remove.
 454         (class Sized_relobj): Update declarations.  Remove sized_target.
 455         * object.cc (Sized_relobj::setup): Remove target parameter.
 456         Change all callers.
 457         (Input_objects::add_object): Don't do anything with the target.
 458         (make_elf_sized_object): Add punconfigured parameter.  Change all
 459         callers.  Set or test parameter target.
 460         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
 461         Change all callers.
 462         * parameters.cc (Parameters::set_target): Change parameter type to
 463         be non-const.
 464         (Parameters::default_target): Remove.
 465         (set_parameters_target): Change parameter type to be non-const.
 466         (parameters_force_valid_target): New function.
 467         (parameters_clear_target): New function.
 468         * parameters.h (class Parameters): Update declarations.  Remove
 469         default_target method.  Add sized_target and clear_target
 470         methods.  Change target_ to be non-const.
 471         (set_parameters_target): Update declaration.
 472         (parameters_force_valid_target): Declare.
 473         (parameters_clear_target): Declare.
 474         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
 475         as NULL if we aren't searching.
 476         (Add_symbols::run): Don't check for compatible target.
 477         * fileread.cc (Input_file::open_binary): Call
 478         parameters_force_valid_target.
 479         * gold.cc (queue_middle_tasks): Likewise.
 480         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
 481         set_target on object.
 482         * dynobj.h (class Sized_dynobj): Update declarations.
 483         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
 484         make_elf_object returns NULL.
 485         (Archive::include_member): Don't check whether object target is
 486         compatible.
 487         * output.cc (Output_section::add_input_section): Get target from
 488         parameters.
 489         (Output_section::relax_input_section): Likewise.
 490         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
 491         parameters.
 492         (Sized_relobj::do_scan_relocs): Likewise.
 493         (Sized_relobj::relocate_sections): Likewise.
 494         * resolve.cc (Symbol_table::resolve): Likewise.
 495         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
 496         parameter.  Change all callers.
 497         (Symbol_table::add_from_object): Get target from parameters.
 498         (Symbol_table::add_from_relobj): Don't check object target.
 499         (Symbol_table::add_from_dynobj): Likewise.
 500         (Symbol_table::define_special_symbol): Get target from
 501         parameters.
 502         * symtab.h (class Symbol_table): Update declaration.
 503         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
 504         parameter.  Change all callers.  Clear parameter target.
 505         (Binary_test): Test target here.
 506         * testsuite/object_unittest.cc (gold_testsuite): Remove
 507         target_test_pointer parameter.  Change all callers.
 508         (Object_test): Test target here.
 509
 510 2009-09-26  Ian Lance Taylor  <iant@google.com>
 511
 512         * testsuite/initpri1.c: Don't try to use constructor priorities if
 513         compiling with gcc before 4.3.
 514
 515 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
 516
 517         * testsuite/retain_symbols_file_test.sh (check_present): Change
 518         output file name to retain_symbols_file_test.stdout.
 519         (check_absent): Likewise.
 520
 521 2009-09-18  Craig Silverstein  <csilvers@google.com>
 522
 523         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
 524         * options.cc: Include <cerrno> and <fstream>.
 525         (General_options::finalize): Parse -retain-symbols-file tag.
 526         * options.h: New flag.
 527         (General_options): New method should_retain_symbol, new
 528         variable symbols_to_retain.
 529         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
 530         should_retain_symbol map.
 531         * testsuite/Makefile.am (retain_symbols_file_test): New test.
 532         * testsuite/Makefile.in: Regenerate.
 533         * testsuite/retain_symbols_file_test.sh: New file.
 534
 535 2009-09-18  Nick Clifton  <nickc@redhat.com>
 536
 537         * po/es.po: Updated Spanish translation.
 538
 539 2009-09-17  Doug Kwan  <dougkwan@google.com>
 540
 541         * debug.h (DEBUG_RELAXATION): New constant.
 542         (DEBUG_ALL): Add DEBUG_RELAXATION.
 543         (debug_string_to_enum): Add relaxation debug option.
 544         * layout.cc
 545         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
 546         Layout::Relaxation_debug_check::read_sections,
 547         Layout::Relaxation_debug_check::read_sections): New method definitions.
 548         (Layout::Layout): Initialize data members
 549         record_output_section_data_from_scrips_,
 550         script_output_section_data_list_ and relaxation_debug_check_.
 551         (Layout::save_segments, Layout::restore_segments,
 552         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
 553         Layout::relaxation_loop_body): New method definitions.
 554         (Layout::finalize): Support relaxation.  Move section layout code to
 555         Layout::relaxation_loop_body.
 556         (Layout::set_asection_address_from_script): Move code for orphan
 557         section placement out.
 558         (Layout::place_orphan_sections_in_script): New method definition.
 559         * layout.h (Output_segment_headers, Output_file_header):
 560         New forward class declarations.
 561         (Layout::~Layout): Define.
 562         (Layout::new_output_section_data_from_script): New method definition.
 563         (Layout::place_orphan_sections_in_script): New method declaration.
 564         (Layout::Segment_states): New type declaration.
 565         (Layout::save_segments, Layout::restore_segments,
 566         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
 567         Layout::relaxation_loop_body): New method declarations.
 568         (Layout::Output_section_data_list): New type declaration.
 569         (Layout::Relaxation_debug_check): New class definition.
 570         (Layout::record_output_section_data_from_script_,
 571         Layout::script_output_section_data_list_, Layout::segment_states_,
 572         Layout::relaxation_debug_check_): New data members.
 573         * output.cc: (Output_section_headers::do_size): New method definition.
 574         (Output_section_headers::Output_section_headers): Move size
 575         computation to Output_section_headers::do_size.
 576         (Output_segment_headers::do_size): New method definition.
 577         (Output_file_header::Output_file_header): Move size computation to
 578         Output_file_header::do_size and call it.
 579         (Output_file_header::do_size): New method definition.
 580         (Output_data_group::Output_data_group): Adjust call to
 581         Output_section_data.
 582         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
 583         (Output_symtab_xindex::do_write): Add array bound check.
 584         (Output_section::Input_section::print_to_mapfile): Handle
 585         RELAXED_INPUT_SECTION_CODE.
 586         (Output_section::Output_section): Initialize data member checkpoint_.
 587         (Output_section::~Output_section): Delete checkpoint object pointed
 588         by checkpoint_.
 589         (Output_section::add_input_section): Always add an Input_section if
 590         relaxing.
 591         (Output_section::add_merge_input_section): Add assert.
 592         (Output_section::relax_input_section): New method definition.
 593         (Output_section::set_final_data_size): Set load address to zero for
 594         an unallocated section.
 595         (Output_section::do_address_and_file_offset_have_reset_values):
 596         New method definition.
 597         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
 598         Handle relaxed input section.
 599         (Output_section::sort_attached_input_sections): Checkpoint input
 600         section list lazily.
 601         (Output_section::get_input_sections): Change type of input_sections to
 602         list of Simple_input_section pointers.  Checkpoint input section list
 603         lazily.  Also handle relaxed input sections.
 604         (Output_section::add_input_section_for_script): Take a reference to
 605         a Simple_input_section object instead of Relobj pointer and section
 606         index as parameter.  Handle relaxed input sections.
 607         (Output_section::save_states, Output_section::restore_states): New
 608         method definitions.
 609         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
 610         (Output_data::is_data_size_fixed): New method definition.
 611         (Output_data::reset_addresss_and_file_offset): Do not reset data size
 612         if it is fixed.
 613         (Output_data::address_and_file_offset_have_reset_values): New method
 614         definition.
 615         (Output_data::do_address_and_file_offset_have_reset_values): New method
 616         definition.
 617         (Output_data::set_data_size): Check that data size is not fixed.
 618         (Output_data::fix_data_size): New method definition.
 619         (Output_data::is_data_size_fixed_): New data member.
 620         (Output_section_headers::set_final_data_size): New method definition.
 621         (Output_section_headers::do_size): New method declaration.
 622         (Output_segment_headers::set_final_data_size): New method definition.
 623         (Output_segment_headers::do_size): New method declaration.
 624         (Output_file_header::set_final_data_size)::New method definition.
 625         (Output_file_header::do_size)::New method declaration.
 626         (Output_section_data::Output_section_data): Add new parameter
 627         is_data_size_fixed and use it to fix data size.
 628         (Output_data_const::Output_data_const): Adjust call to base class
 629         constructor and fix data size.
 630         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
 631         base class constructor and fix data size.
 632         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
 633         base class constructor and fix data size.
 634         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
 635         class constructor and fix data size.
 636         (Output_data_group::set_final_data_size): New method definition.
 637         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
 638         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
 639         class constructor and fix data size.
 640         (Output_relaxed_input_section): New class definition.
 641         (Output_section::Simple_input_section): New class definition.
 642         (Output_section::get_input_sections): Adjust parameter list.
 643         (Output_section::add_input_section_for_script): Same.
 644         (Output_section::save_states, Output_section::restore_states,
 645         Output_section::do_address_and_file_offset_have_reset_values,
 646         (Output_section::Input_section::Input_section): Handle
 647         RELAXED_INPUT_SECTION_CODE.  Add new overload for
 648         Output_relaxed_input_section.
 649         (Output_section::Input_section::is_input_section,
 650         Output_section::Input_section::set_output_section): Handle relaxed
 651         input section.
 652         (Output_section::Input_section::is_relaxed_input_section,
 653         Output_section::Input_section::output_section_data,
 654         Output_section::Input_section::relaxed_input_section): New method
 655         definitions.
 656         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
 657         value.
 658         (Output_section::Input_section::u1_): Update comments.
 659         (Output_section::Input_section::u2_): Add new union member poris.
 660         (Output_section::Checkpoint_output_section): New classs definition.
 661         (Output_section::relax_input_section): New method declaration.
 662         (Output_section::checkpoint_): New data member.
 663         (Output_segment): Update comments.
 664         (Output_segment::Output_segment): Un-privatize copy constructor.
 665         (Output_segment::operator=): Un-privatize.
 666         * script-sections.cc (Output_section_element::Input_section_list):
 667         Change element type to Output_section::Simple_input_section.
 668         (Output_section_element_dot_assignment::set_section_addresses):
 669         Register output section data for relaxation clean up.
 670         (Output_data_exression::Output_data_expression): Adjust call to base
 671         constructor to fix data size.
 672         (Output_section_element_data::set_section_addresses): Register
 673         Output_data_expression object for relaxation clean up.
 674         (struct Input_section_info): Replace Relobj pointer and section index
 675         pair with Output_section::Simple_input_section and Convert struct to a
 676         class.
 677         (Input_section_sorter::operator()): Adjust access to
 678         Input_section_info data member to use accessors.
 679         (Output_section_element_input::set_section_addresses): Use layout
 680         parameter.  Adjust code to use Output_section::Simple_input_section
 681         and Input_secction_info classes.  Register filler for relaxation
 682         clean up.
 683         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
 684         and section index pair with Output_section::Simple_input_section
 685         class.  Adjust code accordingly.
 686         (Phdrs_element::release_segment): New method definition.
 687         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
 688         segment list.
 689         (Script_sections::release_segments): New method definition.
 690         * gold/script-sections.h (Script_sections::release_segments): New
 691         method declaration.
 692         * gold/target.h (Target::may_relax, Target::relax,
 693         Target::do_may_relax, Target::do_relax): New method definitions.
 694
 695 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 696
 697         * arm.cc (has_signed_unsigned_overflow): New function.
 698         (Arm_relocate_functions::abs8): New function.
 699         (Target_arm::Scan::local): Handle R_ARM_ABS8.
 700         (Target_arm::Scan::global): Likewise.
 701         (Target_arm::relocate::relocate): Likewise.
 702         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
 703         Likewise.
 704
 705 2009-09-16  Cary Coutant  <ccoutant@google.com>
 706
 707         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
 708         * testsuite/Makefile.in: Regenerate.
 709
 710 2009-09-11  Nick Clifton  <nickc@redhat.com>
 711
 712         * po/gold.pot: Updated by the Translation project.
 713
 714 2009-09-08  Cary Coutant  <ccoutant@google.com>
 715
 716         * output.cc (Output_file::open): Add execute permission to empty file.
 717         * testsuite/Makefile.am (permission_test): New test.
 718         * testsuite/Makefile.in: Regenerate.
 719
 720 2009-09-02  Ian Lance Taylor  <iant@google.com>
 721
 722         * output.cc (Output_file::resize): Call map_no_anonymous rather
 723         than map.
 724
 725 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
 726
 727         * gold.cc: Include "incremental.h".
 728         (queue_initial_tasks): Call Incremental_checker methods.
 729         * incremental.cc: Include "output.h".
 730         (Incremental_checker::can_incrementally_link_output_file): New
 731         method.
 732         * incremental.h (Incremental_checker): New class.
 733
 734         * output.cc (Output_file::open_for_modification): New method.
 735         (Output_file::map_anonymous): Changed return type to bool.  Record
 736         map in base_ field.
 737         (Output_file::map_no_anonymous): New method, broken out of map.
 738         (Output_file::map): Use map_no_anonymous and map_anonymous.
 739         * output.h (class Output_file): Update declarations.
 740
 741 2009-08-24  Cary Coutant  <ccoutant@google.com>
 742
 743         * options.h (Command_line::Pre_options): New class.
 744         (Command_line::pre_options): New member.
 745         * options.cc (gold::options::ready_to_register): New variable.
 746         (One_option::register_option): Do nothing if not registering options.
 747         Assert if same short option registered twice.
 748         (General_options::General_options): Turn off option registration when
 749         done constructing.
 750         (Command_line::Pre_options::Pre_options): New constructor.
 751
 752 2009-08-24  Cary Coutant  <ccoutant@google.com>
 753
 754         * options.h (General_options::no_keep_memory): Remove incorrect
 755         short option.
 756
 757 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 758
 759         * Makefile.am (am__skiplex, am__skipyacc): New.
 760         * Makefile.in: Regenerate.
 761
 762 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 763
 764         * Makefile.am (AM_CPPFLAGS): Renamed from ...
 765         (INCLUDES): ... this.
 766         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
 767         (AM_CPPFLAGS): Renamed from ...
 768         (INCLUDE): ... this.
 769         * Makefile.in, testsuite/Makefile.in: Regenerate.
 770
 771         * Makefile.in: Regenerate.
 772         * aclocal.m4: Likewise.
 773         * config.in: Likewise.
 774         * configure: Likewise.
 775         * testsuite/Makefile.in: Likewise.
 776
 777         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
 778         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
 779         * Makefile.in: Regenerate.
 780         * testsuite/Makefile.in: Regenerate.
 781
 782 2009-08-19  Cary Coutant  <ccoutant@google.com>
 783
 784         * resolve.cc (Symbol_table::resolve): Don't complain about defined
 785         symbols in shared libraries overridden by hidden or internal symbols
 786         in the main program.
 787
 788 2009-08-19  Chris Demetriou  <cgd@google.com>
 789
 790         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
 791         checking source file names in error messages.
 792
 793 2009-08-18  Doug Kwan  <dougkwan@google.com>
 794
 795         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
 796         an elcpp::Ehdr as parameter.  Adjust call to set_target.
 797         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
 798         an elfcpp::Ehdr as parameter.
 799         * object.cc (Object::set_target): Remove the version that looks up
 800         a target and sets it.
 801         (Sized_relobj::setup): Take a Target object instead of
 802         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
 803         (make_elf_sized_object): Find target and ask target to
 804         make an ELF object.
 805         * object.h: (Object::set_target): Remove the version that looks up
 806         a target and sets it.
 807         (Sized_relobj::setup): Take a Target object instead of
 808         an elfcpp:Ehdr as parameter.
 809         * target.cc: Include dynobj.h.
 810         (Target::do_make_elf_object_implementation): New.
 811         (Target::do_make_elf_object): New.
 812         * target.h (Target::make_elf_object): New template declaration.
 813         (Target::do_make_elf_object): New method declarations.
 814         (Target::do_make_elf_object_implementation): New template declaration.
 815
 816 2009-08-14  Ian Lance Taylor  <iant@google.com>
 817
 818         * gold.h (FUNCTION_NAME): Define.
 819         (gold_unreachable): Use FUNCTION_NAME.
 820
 821 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
 822
 823         * icf.cc (Icf::find_identical_sections): Issue a warning when a
 824         symbol in the --keep-unique list is not found.
 825
 826 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
 827
 828         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
 829         been maked as --keep-unique.
 830         (Icf::unfold_section): New function.
 831         * icf.h (Icf::unfold_section): New function.
 832         * options.h (General_options::keep_unique): New option.
 833         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
 834         * testsuite/Makefile.in: Regenerate.
 835         * testsuite/icf_keep_unique_test.sh: New file.
 836         * testsuite/icf_keep_unique_test.cc: New file.
 837
 838 2009-08-12  Cary Coutant  <ccoutant@google.com>
 839
 840         PR 10471
 841         * resolve.cc (Symbol_table::resolve): Check for references from
 842         dynamic objects to hidden and internal symbols.
 843         * testsuite/Makefile.am (hidden_test.sh): New test.
 844         * testsuite/Makefile.in: Regenerate.
 845         * testsuite/hidden_test.sh: New script.
 846         * testsuite/hidden_test_1.c: New test source.
 847         * testsuite/hidden_test_main.c: New test source.
 848
 849 2009-08-11  Doug Kwan  <dougkwan@google.com>
 850
 851         * arm.cc: Update comments.
 852         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
 853         segment to locate the .ARM.exidx section if present.
 854
 855 2009-08-09  Doug Kwan  <dougkwan@google.com>
 856
 857         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
 858         patch.
 859
 860 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
 861         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
 862         compiler warnings.
 863
 864 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
 865
 866         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
 867         valid tls_segment only for non-debug-section relocations.
 868         * testsuite/Makefile.am: Add gc_tls_test.
 869         * testsuite/Makefile.in: Regenerate.
 870         * testsuite/gc_tls_test.cc: New file.
 871         * testsuite/gc_tls_test.sh: New file.
 872
 873 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
 874
 875         * icf.cc: New file.
 876         * icf.h: New file.
 877         * Makefile.am (CCFILES): Add icf.cc.
 878         (HFILES): Add icf.h
 879         * Makefile.in: Regenerate.
 880         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
 881         * gc.h (gc_process_relocs): Populate lists used by icf to contain
 882         section, symbol and addend information for the relocs.
 883         * gold.cc (queue_middle_tasks): Call identical code folding.
 884         * gold.h: Add defines for multimap.
 885         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
 886         to the call of finalize_local_symbols.
 887         * main.cc (main): Create object of class Icf.
 888         * object.cc (Sized_relobj::do_layout): Allow this function to be
 889         called twice during icf.
 890         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
 891         to sections marked as identical by icf.
 892         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
 893         when available.
 894         (Sized_relobj::do_section_entsize): New function.
 895         * object.h (Object::section_entsize): New function.
 896         (Object::do_section_entsize): New pure virtual function.
 897         (Relobj::finalize_local_symbols): Add new parameter.
 898         (Relobj::do_section_entsize): New function.
 899         * options.h (General_options::icf): New option.
 900         (General_options::icf_iterations): New option.
 901         (General_options::print_icf_sections): New option.
 902         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
 903         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
 904         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
 905         icf.
 906         * symtab.cc (Symbol_table::is_section_folded): New function.
 907         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
 908         to sections marked as identical by icf.
 909         * symtab.h (Symbol_table::set_icf): New function.
 910         (Symbol_table::icf): New function.
 911         (Symbol_table::is_section_folded): New function.
 912         (Symbol_table::icf_): New data member.
 913         * target-reloc.h (relocate_section): Ignore sections folded by icf.
 914         * testsuite/Makefile.am: Add commands to build icf_test.
 915         * testsuite/Makefile.in: Regenerate.
 916         * testsuite/icf_test.sh: New file.
 917         * testsuite/icf_test.cc: New file.
 918
 919 2009-07-24  Chris Demetriou  <cgd@google.com>
 920
 921         * layout.cc (is_compressible_debug_section): Fix incorrect
 922         comment about compressed section names.
 923
 924 2009-07-20  Ian Lance Taylor  <ian@airs.com>
 925
 926         PR 10419
 927         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
 928
 929 2009-07-16  Ian Lance Taylor  <iant@google.com>
 930
 931         PR 10400
 932         * layout.h: #include <map>.
 933         (class Kept_section): Change from struct to class.  Add accessors
 934         and setters.  Add section size to Comdat_group mapping.  Change
 935         Comdat_group to std::map.  Add is_comdat_ field.  Add
 936         linkonce_size field in union.
 937         (class Layout): Update declaration of find_or_add_kept_section.
 938         Don't declare find_kept_object.
 939         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
 940         parameter.  Add object, shndx, is_comdat, and is_group_name
 941         parameters.  Change all callers.  Adjust for new Kept_section.
 942         (Layout::find_kept_object): Remove.
 943         * object.cc (Sized_relobj::include_section_group): Update use of
 944         Kept_section.  Rename secnum to shndx.  Only record
 945         Kept_comdat_section if sections are the same size.
 946         (Sized_relobj::include_linkonce_section): Update use of
 947         Kept_section.  Only record Kept_comdat_section if sections are the
 948         same size.  Set size of linkonce section.
 949         (Sized_relobj::map_to_kept_section): Update call to
 950         get_kept_comdat_section.
 951         * object.h (class Sized_relobj): Rename fields in
 952         Kept_comdat_section to drop trailing underscores; change object
 953         field to Relobj*.  Change Kept_comdat_section_table to store
 954         struct rather than pointer.
 955         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
 956         Add kept_object and kept_shndx parameters.  Change all callers.
 957         (Sized_relobj::get_kept_comdat_section): Change return type to
 958         bool.  Add kept_object and kept_shndx parameters.  Change all
 959         callers.
 960         * plugin.cc (Pluginobj::include_comdat_group): Update call to
 961         Layout::find_or_add_kept_section.
 962
 963 2009-07-09  Ian Lance Taylor  <iant@google.com>
 964
 965         * merge.cc (Object_merge_map::initialize_input_to_output_map):
 966         Reserve space in the hash table.
 967
 968 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
 969
 970         * fileread.cc (File_read::get_mtime): New method.
 971         * fileread.h (Timespec): New structure.
 972         (File_read::get_mtime): New method.
 973         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
 974         Renamed from timestamp_nsec.
 975         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
 976         Elf_Xword.
 977         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
 978         timestamp_nsec.
 979         (Incremental_inputs::report_archive): Save mtime; style fix.
 980         (Incremental_inputs::report_obejct): Save mtime; style fix.
 981         (Incremental_inputs::report_script): Save mtime; style fix.
 982         (Incremental_inputs::finalize_inputs): Style fix.
 983         (Incremental_inputs::finalize): Style fix.
 984         (Incremental_inputs::create_input_section_data): Store inputs
 985         mtime.
 986         * incremental.h (Incremental_inputs::report_script): Add mtime
 987         argument.
 988         (Incremental_inputs::Input_info::Input_info): Intialize only one
 989         union member.
 990         (Incremental_inputs::Input_info::archive): Move to nameless
 991         union.
 992         (Incremental_inputs::Input_info::obejct): Move to nameless union.
 993         (Incremental_inputs::Input_info::script): Move to nameless union.
 994         (Incremental_inputs::mtime): New field.
 995         * script.cc (read_input_script): Pass file mtime to
 996         Incremental_input.
 997         * script.h (Script_info::inputs): Style fix.
 998
 999 2009-07-01  Ian Lance Taylor  <ian@airs.com>
1000
1001         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1002         instead of 32.
1003
1004 2009-06-24  Ian Lance Taylor  <iant@google.com>
1005
1006         PR 10156
1007         * layout.cc (Layout::choose_output_section): If we find an
1008         existing section, update the flags.
1009         (Layout::create_notes): New function, broken out of
1010         Layout::finalize.
1011         (Layout::finalize): Don't create note sections.
1012         (Layout::create_note): Don't crash if linker script discards
1013         section.
1014         (Layout::create_gold_note): Likewise.
1015         (Layout::create_build_id): Likewise.  Don't set
1016         after_input_sections on the section.
1017         (Layout::create_executable_stack_info): Remove target parameter.
1018         Change caller.
1019         * layout.h (class Layout): Declare create_notes.  Update
1020         declaration of create_executable_stack_info.
1021         * gold.cc (queue_middle_tasks): Call create_notes.
1022         * output.cc (Output_section::update_flags_for_input_section): Move
1023         here from output.h.  If SHF_ALLOC flag is newly set, mark address
1024         invalid.
1025         * output.h (Output_data::mark_address_invalid): New function.
1026         (class Output_section): Only declare, not define,
1027         update_flags_for_input_section.  Remove set_flags.
1028
1029 2009-06-24  Ian Lance Taylor  <iant@google.com>
1030
1031         * script-sections.cc (Output_section_definition::
1032         set_section_addresses): Rename shadowing local load_address to
1033         laddr.
1034
1035 2009-06-24  Ian Lance Taylor  <iant@google.com>
1036
1037         PR 10244
1038         * reloc.cc (relocate_sections): Skip empty relocation sections.
1039
1040 2009-06-23  Ian Lance Taylor  <iant@google.com>
1041
1042         PR 10156
1043         * layout.cc (Layout::create_note): Use choose_output_section
1044         rather than make_output_section.
1045
1046 2009-06-23  Ian Lance Taylor  <iant@google.com>
1047
1048         PR 10237
1049         * options.cc (General_options::parse_V): Set printed_version_.
1050         (General_options::General_options): Initialize printed_version_.
1051         * options.h (class General_options): Add printed_version_ field.
1052         * gold.cc (queue_initial_tasks): If there are no input files,
1053         don't give a fatal error if we printed the version information.
1054         (queue_middle_tasks): If using -r with a shared object, give a
1055         fatal error rather than an ordinary error.
1056
1057 2009-06-23  Ian Lance Taylor  <iant@google.com>
1058
1059         PR 10219
1060         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
1061         (Layout::make_output_section): Set have_stabstr_section_ if we see
1062         a .stab*str section.
1063         (Layout::finalize): Call link_stabs_sections.
1064         (Layout::link_stabs_sections): New file.
1065         * layout.h (class Layout): Add have_stabstr_section_ field.
1066         Declare link_stabs_sections.
1067
1068 2009-06-23  Doug Kwan  <dougkwan@google.com>
1069
1070         * Makefile.am (libgold_a_LIBADD): New.
1071         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
1072         * Makefile.in: Regenerate.
1073         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
1074         * configure: Regenerate.
1075         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
1076         * fileread.cc: Include sys/state.h
1077         * gold.h: Declare memmem and strndup if found missing.
1078         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
1079
1080 2009-06-23  Ian Lance Taylor  <iant@google.com>
1081
1082         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
1083         * configure: Rebuild.
1084
1085 2009-06-23  Ian Lance Taylor  <iant@google.com>
1086
1087         PR 10147
1088         * object.cc (Object::section_contents): Don't try to get a view if
1089         the section has length zero.
1090         (Object::handle_gnu_warning_section): If the section is empty, use
1091         the name of the section as the warning.
1092
1093 2009-06-23  Ian Lance Taylor  <iant@google.com>
1094
1095         PR 10133
1096         * stringpool.h (class Stringpool_template): Add optimize_ field.
1097         (Stringpool_template::set_optimize): New function.
1098         * stringpool.cc (Stringpool_template::Stringpool_template):
1099         Initialize optimize_ field.
1100         (Stringpool_template::set_string_offsets): Test local optimize
1101         fild rather than parameter.
1102         * layout.cc (Layout::Layout): Call set_optimize on the section
1103         name stringpool.
1104
1105 2009-06-22  Ian Lance Taylor  <iant@google.com>
1106
1107         PR 10030
1108         * yyscript.y: Parse TARGET.
1109         * script.cc (script_set_target): New function.
1110         * script-c.h (script_set_target): Declare.
1111         * options.cc (General_options::string_to_object_format): Rename
1112         from string_to_object_format in anonymous namespace.  Change
1113         callers.
1114         * options.h (class General_options): Declare
1115         string_to_object_format.
1116
1117 2009-06-22  Ian Lance Taylor  <iant@google.com>
1118
1119         * script-sections.cc (Script_sections::create_segments): Don't put
1120         program headers in a PT_LOAD segment if -n or -N.
1121
1122 2009-06-22  Ian Lance Taylor  <iant@google.com>
1123
1124         PR 10141
1125         * options.h (class General_options): Add -z lazy and -z now.  Sort
1126         -z options into alphabetical order.
1127         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
1128
1129 2009-06-21  Ian Lance Taylor  <iant@google.com>
1130
1131         * layout.cc (Layout::make_output_section): Call
1132         Target::new_output_section.
1133         (Layout::attach_allocated_section_to_segment): Put large section
1134         sections in a separate load segment with the large segment flag
1135         set.
1136         (Layout::segment_precedes): Sort large data segments after other
1137         load segments.
1138         (align_file_offset): New static function.
1139         (Layout::set_segment_offsets): Use align_file_offset.
1140         * output.h (class Output_section): Add is_small_section_ and
1141         is_large_section_ fields.
1142         (Output_section::is_small_section): New function.
1143         (Output_section::set_is_small_section):  New function.
1144         (Output_section::is_large_section): New function.
1145         (Output_section::set_is_large_section): New function.
1146         (Output_section::is_large_data_section): New function.
1147         (class Output_segment): Add is_large_data_segment_ field.
1148         (Output_segment::is_large_data_segment): New function.
1149         (Output_segment::set_is_large_data_segment): New function.
1150         * output.cc (Output_section::Output_section): Initialize new
1151         fields.
1152         (Output_segment::Output_segment): Likewise.
1153         (Output_segment::add_output_section): Add assertion that large
1154         data sections always go in large data segments.  Force small data
1155         sections to the end of the list of data sections.  Force small BSS
1156         sections to the start of the list of BSS sections.  For large BSS
1157         sections to the end of the list of BSS sections.
1158         * symtab.h (class Symbol): Declare is_common_shndx.
1159         (Symbol::is_defined): Check Symbol::is_common_shndx.
1160         (Symbol::is_common): Likewise.
1161         (class Symbol_table): Define enum Commons_section_type.  Update
1162         declarations.  Add small_commons_ and large_commons_ fields.
1163         * symtab.cc (Symbol::is_common_shndx): New function.
1164         (Symbol_table::Symbol_table): Initialize new fields.
1165         (Symbol_table::add_from_object): Put small and large common
1166         symbols in the right list.
1167         (Symbol_table::sized_finalized_symbol): Check
1168         Symbol::is_common_shndx.
1169         (Symbol_table::sized_write_globals): Likewise.
1170         * common.cc (Symbol_table::do_allocate_commons): Allocate new
1171         common symbol lists.  Don't call do_allocate_commons_list if the
1172         list is empty.
1173         (Symbol_table::do_allocate_commons_list): Remove is_tls
1174         parameter.  Add comons_section_type parameter.  Change all
1175         callers.  Handle small and large common symbols.
1176         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
1177         Symbol::is_common_shndx.
1178         * resolve.cc (symbol_to_bits): Likewise.
1179         * target.h (Target::small_common_shndx): New function.
1180         (Target::small_common_section_flags): New function.
1181         (Target::large_common_shndx): New function.
1182         (Target::large_common_section_flags): New function.
1183         (Target::new_output_section): New function.
1184         (Target::Target_info): Add small_common_shndx, large_common_shndx,
1185         small_common_section_flags, and large_common_section_flags
1186         fields.
1187         (Target::do_new_output_section): New virtual function.
1188         * arm.cc (Target_arm::arm_info): Initialize new fields.
1189         * i386.cc (Target_i386::i386_info): Likewise.
1190         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1191         Likewise.
1192         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
1193         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1194         (Target_x86_64::do_new_output_section): New function.
1195         * configure.ac: Define conditional MCMODEL_MEDIUM.
1196         * testsuite/Makefile.am (check_PROGRAMS): Add large.
1197         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
1198         (large_LDFLAGS): Define.
1199         * testsuite/large.c: New file.
1200         * testsuite/testfile.cc (Target_test::test_target_info):
1201         Initialize new fields.
1202         * configure, testsuite/Makefile.in: Rebuild.
1203
1204 2009-06-05  Doug Kwan  <dougkwan@google.com>
1205
1206         * Makefile.am (CCFILES): Add target.cc.
1207         * Makefile.in: Regenerate.
1208         * i386.cc (class Target_i386): Define new virtual method to
1209         override do_is_local_label_name in parent.
1210         * object.cc (Sized_relobj::do_count_local_symbols): Discard
1211         local symbols if --discard-locals or -X is given.
1212         * options.h (class General_options): Declare new options
1213         '--discard-locals' and '-X' for discarding locals.
1214         * target.h (class Target): Define new methods is_local_label_name.
1215         Declare new virtual method do_is_local_label_name.
1216         * target.cc: New file.
1217         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
1218         (check_SCRIPTS): Add discard_locals_test.sh.
1219         (check_DATA): Add discard_local_tests.syms.
1220         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
1221         (discard_local_tests.syms, discard_locals_test.o): New make rules.
1222         * testsuite/Makefile.in: Regenerate.
1223         * testsuite/discard_locals_test.c: New file.
1224         * testsuite/discard_locals_test.sh: Same.
1225
1226 2009-06-05  Doug Kwan  <dougkwan@google.com>
1227
1228         * object.cc (Sized_relobj::Sized_relobj): Initialize
1229         discarded_eh_frame_shndx_ to -1U.
1230         (Sized_relobj::do_layout): Record index of a discard .eh_frame
1231         section.
1232         (Sized_relobj::do_count_local_symbols): Skip local symbols in
1233         a discarded .eh_frame section.
1234         (Sized_relobj::do_finalize_local_symbols): Ditto.
1235         * object.h (class Sized_relobj): Declare new member
1236         discarded_eh_frame_shndx_.
1237         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
1238         (local_labels_test.o, local_labels_test): New rules.
1239         * testsuite/Makefile.in: Regenerate.
1240
1241 2009-06-04  Doug Kwan  <dougkwan@google.com>
1242
1243         * layout.cc (Layout::section_name_mapping): Add mapping for
1244         special ARM sections.
1245
1246 2009-06-03  Doug Kwan  <dougkwan@google.com>
1247
1248         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
1249         (utils::has_overflow): Same.
1250
1251 2009-06-03  Ian Lance Taylor  <iant@google.com>
1252
1253         * layout.cc (Layout::section_name_mapping): New array, replacing
1254         Layout::linkonce_mapping.
1255         (Layout::section_name_mapping_count): New variable, replacing
1256         Layout::linkonce_mapping_count.
1257         (Layout::linkonce_output_name): Remove.
1258         (Layout::output_section_name): Rewrite.
1259         * layout.h (class Layout): Rename Linkonce_mapping to
1260         Section_name_mapping, linkonce_mapping to section_name_mapping,
1261         linkonce_mapping_count to section_name_mapping_count.  Don't
1262         declare linkonce_output_name.
1263
1264 2009-06-03  Doug Kwan  <dougkwan@google.com>
1265
1266         * gold/arm.cc (namespace utils): New.
1267         (Target_arm::reloc_is_non_pic): Define new method.
1268         (class Arm_relocate_functions): New.
1269         (Target_arm::Relocate::relocate): Handle relocation types used by
1270         Android.
1271
1272 2009-06-03  Ian Lance Taylor  <iant@google.com>
1273
1274         * arm.cc (Target_arm::scan::global): Use || instead of |.
1275
1276 2009-06-02  Doug Kwan  <dougkwan@google.com>
1277
1278         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
1279         issued_non_pic_error_.
1280         (class Target_arm::Scan): Declare new method check_non_pic.
1281         Define new method symbol_needs_plt_entry.
1282         Declare new data member issued_non_pic_error_.
1283         (class Target_arm::Relocate): Declare new method
1284         should_apply_static_reloc.
1285         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
1286         (Target_arm::Scan::check_non_pic): Define new method.
1287         (Target_arm::Scan::local): Handle a small subset of reloc types used
1288         by Android.
1289         (Target_arm::Scan::local): Same.
1290         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
1291
1292 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
1293
1294         * incremental.cc (Incremental_inputs::report_command_line): Filter
1295         out --incremental-* options.
1296
1297 2009-05-29  Doug Kwan  <dougkwan@google.com>
1298
1299         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
1300         template class.
1301         (class Target_arm): Update comment.
1302         (Target_arm::Target_arm): Initialize new data members GOT_,
1303         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
1304         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
1305         and Target_arm::rel_dyn_section.
1306         Declare new_enum Target_arm::Got_type.
1307         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
1308         and DYNBSS_.
1309         Update commments for member do_dynsym_value.
1310         (Target_arm::got_size, Target_arm::plt_section,
1311         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
1312         new methods inside class defintion.
1313         (Target_arm::got_section): Define new method.
1314         (Target_arm::rel_dyn_section): Same.
1315         (Output_data_plt_arm): New template class.
1316         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
1317         (Output_data_plt_arm:do_adjust_output_section): Define new method.
1318         (Output_data_plt_arm::add_entry): Same.
1319         (Output_data_plt_arm::first_plt_entry): Define new
1320         static data member for PLT instruction template.
1321         (Output_data_plt_arm::plt_entry): Same.
1322         (Output_data_plt_arm::do_write): Define new method.
1323         (Target_arm::make_plt_entry): Same.
1324         (Target_arm::do_finalize_sections): Same.
1325         (Target_arm::do_dynsym_value): Same.
1326
1327 2009-05-28  Doug Kwan  <dougkwan@google.com>
1328
1329         * Makefile.am (TARGETSOURCES): Add arm.cc.
1330         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
1331         * Makefile.in: Regenerate.
1332         * arm.cc: New file.
1333         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
1334
1335 2009-05-26  Doug Kwan  <dougkwan@google.com>
1336
1337         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
1338         (General_options::check_excluded_libs): Strip off directories in
1339         archive name before matching like GNU ld does.
1340         * testsuite/Makefile.am (MOSTLYCLEANFILES,
1341         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
1342         (exclude_libs_test_LDFLAGS): Add linker option
1343         -Wl,--exclude-libs,libexclude_libs_test_3
1344         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
1345         an explicit archive without using -l.
1346         (alt/libexclude_libs_test_3.a): New make rule.
1347         * testsuite/Makefile.in: Regenerate.
1348         * testsuite/exclude_libs_test.c : Declare lib3_default().
1349         (main): Call it.
1350         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
1351         * exclude_libs_test_3.c: New file.
1352
1353 2009-05-26  Nick Clifton  <nickc@redhat.com>
1354
1355         * po/id.po: New Indonesian translation.
1356         * po/gold.pot: Updated template file.
1357
1358 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
1359
1360         * testsuite/Makefile.am: Add -ffunction-sections to compile
1361         gc_comdat_test files.  Add -Wl,--gc-sections to build
1362         gc_comdat_test.
1363         * testsuite/Makefile.in: Regenerate.
1364         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
1365
1366 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
1367
1368         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
1369         kept comdat section was garbage collected.
1370         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
1371         * testsuite/Makefile.in: Regenerate.
1372         * testsuite/gc_comdat_test.sh: New file.
1373         * testsuite/gc_comdat_test_1.cc: New file.
1374         * testsuite/gc_comdat_test_2.cc: New file.
1375
1376 2009-05-19  Doug Kwan  <dougkwan@google.com>
1377
1378         * archive.cc (Archive::Archive): Move constructor from archive.h
1379         to here.  Initialize no_export_.
1380         (Archive::get_elf_object_for_member): Set no_export flag of object.
1381         * archive.h (Archive::Archive): Move constructor body to
1382         archive.cc.
1383         (Archive::no_export): New method.
1384         (Archive::no_export_): New field.
1385         * object.h (Object::Object): Initialize no_export_ to false.
1386         (Object::no_export, Object::set_no_export): New methods.
1387         (Object::no_export_): New field.
1388         * options.cc (General_options::parse_exclude_libs): New method.
1389         (General_options::check_excluded_libs) Same.
1390         * options.h (exclude_libs): New option.
1391         (General_options::check_excluded_libs): New method declaration.
1392         (General_options::excluded_libs_): New field.
1393         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
1394         default or protected visibility if an object has no-export flag set.
1395         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
1396         (check_SCRIPTS): Add exclude_libs_test.sh.
1397         (check_DATA): Add exclude_libs_test.syms.
1398         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
1399         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
1400         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
1401         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
1402         (exclude_libs_test.syms, libexclude_libs_test_1.a,
1403         libexclude_libs_test_2.a): New rules.
1404         * testsuite/Makefile.in: Regenerate.
1405         * testsuite/exclude_libs_test.c: New file.
1406         * testsuite/exclude_libs_test.sh: Ditto.
1407         * testsuite/exclude_libs_test_1.c: Ditto.
1408         * testsuite/exclude_libs_test_2.c: Ditto.
1409
1410 2009-05-15  Ian Lance Taylor  <iant@google.com>
1411
1412         * configure.ac: Check for declarations for cases where libiberty.h
1413         checks HAVE_DECL_xxx.
1414         * configure, config.in: Rebuild.
1415
1416 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
1417
1418         * gold.h (Incremental_argument_list): Remove (invalid) forward
1419         declaration.
1420         * incremental.cc (Incremental_inputs::report_achive): New method.
1421         (Incremental_inputs::report_object): New method.
1422         (Incremental_inputs::report_script): New method.
1423         (Incremental_inputs::finalize_inputs): New method.
1424         (Incremental_inputs::finalize): Call finalize_inputs().
1425         (Incremental_inputs::sized_create_incremental_inputs_section_data):
1426         Create inputs entries.
1427         * incremental.h (Incremental_input_type): New enum.
1428         (Incremental_inputs::Incremental_input): Initialize new fields.
1429         (Incremental_inputs::report_inputs): New method.
1430         (Incremental_inputs::report_achive): New method.
1431         (Incremental_inputs::report_object): New method.
1432         (Incremental_inputs::report_script): New method.
1433         (Incremental_inputs::finalize_inputs): New method.
1434         (Incremental_inputs::Input_info): New struct.
1435         (Incremental_inputs::Input_info_map): New typedef.
1436         (Incremental_inputs::lock_): New field.
1437         (Incremental_inputs::Inputs_): New field.
1438         (Incremental_inputs::Inputs_map): New field.
1439         * main.cc (main): Call Incremental_input::report_inputs.
1440         * options.h (Input_argument_list): Typedef moved from
1441         Input_arguments.
1442         (Input_file_group::Files): Remove, use ::Input_argument_list.
1443         (Input_file_group::Input_argument_list): Remove, use
1444         ::Input_argument_list.
1445         * plugin.cc (Plugin_manager::add_input_file): Add error in
1446         incremental build.
1447         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
1448         functions.
1449         * script.cc (read_input_script): Call
1450         Incremental_input::report_script.
1451         * script.h (Script_info): New class.
1452
1453 2009-04-27  Ian Lance Taylor  <iant@google.com>
1454
1455         * x86_64.cc (do_adjust_output_section): Set entsize to
1456         plt_entry_size.
1457
1458 2009-04-23  Elliott Hughes  <enh@google.com>
1459
1460         * output.cc (Output_file::close): After short writes, continue
1461         writing from the correct offset in the buffer being written.
1462
1463 2009-04-23  Chris Demetriou  <cgd@google.com>
1464
1465         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
1466         * configure: Regenerate.
1467         * config.in: Regenerate.
1468         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
1469         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
1470
1471 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
1472
1473         * incremental.cc (Incremental_inputs_header_data): Renamed from
1474         Incremental_input_header_data.
1475         (Incremental_inputs_header_data::data_size): New field.
1476         (Incremental_inputs_header_data::put_input_file_count): Renamed
1477         from input_file_count.
1478         (Incremental_inputs_header_data::put_command_line_offset): Renamed
1479         from command_line_offset.
1480         (Incremental_inputs_header_data::put_reserved): Renamed from
1481         put_reserved.
1482         (Incremental_inputs_entry_data): Renamed from
1483         Incremental_input_entry_data.
1484         (Incremental_inputs_entry_data::data_size): New field.
1485         (Incremental_inputs::report_command_line): New method.
1486         (Incremental_inputs::finalize): New method.
1487         (Incremental_inputs::create_incremental_inputs_data): New method.
1488         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
1489         * incremental.h: New file.
1490         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
1491        (Layout::finalize): Create incremental inputs section in
1492         incremental builds.
1493        (Layout::create_incremental_info_sections): New method.
1494         * layout.h (Layout::incremental_inputs): New method.
1495        (Layout::create_incremental_info_sections): New method.
1496        (Layout::incremental_inputs_): New field.
1497         * main.cc (main): Notify Incremental_input of the command line.
1498
1499 2009-04-01  Ian Lance Taylor  <iant@google.com>
1500             Mikolaj Zalewski  <mikolajz@google.com>
1501
1502         * gold.h (reserve_unordered_map): Define, three versions, one for
1503         each version of Unordered_map.
1504         * layout.cc (Layout::Layout): Remove options parameter.  Add
1505         number_of_input_files parameter.  Don't initialize options_.
1506         Initialize number_of_input_files_ and resized_signatures_.  Move
1507         sections_are_attached_.
1508         (Layout::layout_group): Reserve space for group_signatures_.
1509         (Layout::find_or_add_kept_section): Change name parameter to be a
1510         reference.  Resize signatures_ map when it gets large enough.
1511         (Layout::layout_eh_frame): Use parameters->options() instead of
1512         this->options_.
1513         (Layout::make_output_section): Likewise.
1514         (Layout::attach_allocated_section_to_segment): Likewise.
1515         (Layout::finalize, Layout::create_executable_stack): Likewise.
1516         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
1517         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
1518         * layout.h (class Layout): Update declarations.  Remove options_
1519         field.  Add number_of_input_files_ and resized_signatures_
1520         fields.  Move sections_are_attached_ field.
1521         * main.cc (main): Pass number of input files to Layout
1522         constructor.  Don't pass options.
1523
1524 2009-03-30  Ian Lance Taylor  <iant@google.com>
1525
1526         * ffsll.c (ffsll): Correct implementation.
1527
1528 2009-03-27  Ian Lance Taylor  <iant@google.com>
1529
1530         * ffsll.c: New file.
1531         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
1532         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
1533         * ftruncate.c (ftruncate): Declare before definition.
1534         * mremap.c (mremap): Likewise.
1535         * pread.c (pread): Likewise.
1536         * configure, Makefile.in, config.in: Rebuild.
1537
1538         * mremap.c: New file.
1539         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
1540         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
1541         (mremap): Declare if HAVE_MREMAP is not defined.
1542         * configure, Makefile.in, config.in: Rebuild.
1543
1544 2009-03-27  Cary Coutant  <ccoutant@google.com>
1545
1546         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
1547         position independent.
1548         * sparc.cc (Target_sparc::check_non_pic): Likewise.
1549         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
1550
1551 2009-03-24  Cary Coutant  <ccoutant@google.com>
1552
1553         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
1554         an executable.
1555         (needs_dynamic_reloc): Likewise.
1556
1557 2009-03-24  Ian Lance Taylor  <iant@google.com>
1558
1559         * yyscript.y (file_cmd): Recognize EXTERN.
1560         (extern_name_list, extern_name_list_body): New nonterminals.
1561         * script.cc (script_add_extern): Define.
1562         * script-c.h (script_add_extern): Declare.
1563
1564 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
1565
1566         * object.cc (is_elf_object): Define.
1567         * object.h (is_elf_object): Declare.
1568         * archive.cc (Archive::get_elf_object_for_member): Call
1569         is_elf_object.
1570         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
1571
1572 2009-03-24  Elliott Hughes  <enh@google.com>
1573
1574         * output.cc (Output_file::map_anonymous): Define.
1575         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
1576         try an anonymous one.  Report the size if the mmap fails.
1577         * output.h (class Output_file): Declare map_anonymous.
1578
1579 2009-03-24  Ian Lance Taylor  <iant@google.com>
1580
1581         * target-select.cc (instantiate_target): Don't acquire the lock if
1582         the instantiated_target_ field has already been set.
1583
1584 2009-03-23  Ian Lance Taylor  <iant@google.com>
1585
1586         * gold-threads.h (class Initialize_lock): Define.
1587         * gold-threads.cc (class Initialize_lock_once): Define.
1588         (initialize_lock_control): New static variable.
1589         (initialize_lock_pointer): New static variable.
1590         (initialize_lock_once): New static function.
1591         (Initialize_lock::Initialize_lock): Define.
1592         (Initialize_lock::initialize): Define.
1593         * target-select.h: Include "gold-threads.h".
1594         (class Target_selector): Add lock_ and initialize_lock_ fields.
1595         Don't define instantiate_target, just declare it.
1596         * target-select.cc (Target_selector::Target_selector): Initialize
1597         new fields.
1598         (Target_selector::instantiate_target): Define.
1599         * descriptors.h: Include "gold-threads.h".
1600         (class Descriptors): Add initialize_lock_ field.
1601         * descriptors.cc (Descriptors::Descriptors): Initialize new
1602         field.
1603         (Descriptors::open): Use initialize_lock_ field
1604         * errors.h (class Errors): Add initialize_lock_ field.
1605         * errors.cc (Errors::Errors): Initialize new field.
1606         (Errors::initialize_lock): Use initialize_lock_ field.
1607         * powerpc.cc (class Target_selector_powerpc): Remove
1608         instantiated_target_ field.  In do_recognize call
1609         instantiate_target rather than do_instantiate_target.  In
1610         do_instantiate_target just allocate a new target.
1611         * sparc.cc (class Target_selector_sparc): Likewise.
1612
1613         * freebsd.h: New file.
1614         * i386.cc: Include "freebsd.h".
1615         (Target_i386): Derive from Target_freebsd rather than
1616         Sized_target.
1617         (Target_selector_i386): Derive from Target_selector_freebsd rather
1618         than Target_selector.
1619         * x86_64.cc: Include "freebsd.h".
1620         (Target_x86_64): Derive from Target_freebsd rather than
1621         Sized_target.
1622         (Target_selector_x86_64): Derive from Target_selector_freebsd
1623         rather than Target_selector.
1624         * target.h (class Target): Add adjust_elf_header and
1625         do_adjust_elf_header.
1626         * output.cc (Output_file_header:: do_sized_write): Call target
1627         adjust_elf_header routine.
1628         * configure.tgt: Set targ_osabi.
1629         * configure.ac: Define GOLD_DEFAULT_OSABI.
1630         * parameters.cc (Parameters::default_target): Pass
1631         GOLD_DEFAULT_OSABI to select_target.
1632         * target-select.h (class Target_selector): Make instantiate_target
1633         protected rather than private.
1634         * Makefile.am (HFILES): Add freebsd.h.
1635         * configure, Makefile.in, config.in: Rebuild.
1636
1637         * merge.cc (do_add_input_section): Correct pend value.  Change
1638         message about last entry not being null terminated from error to
1639         warning.
1640
1641 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
1642
1643         * incremental.cc: New file.
1644         * Makefile.am (CCFILES): Add incremental.cc.
1645         * Makefile.in: Rebuild.
1646
1647 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
1648
1649         * layout.cc (Layout::output_section_name): Preserve names
1650         of '.note.' sections.
1651
1652 2009-03-19  Ian Lance Taylor  <iant@google.com>
1653
1654         * descriptors.cc (Descriptors::open): Check that the options are
1655         valid before using them.
1656
1657 2009-03-18  Ian Lance Taylor  <iant@google.com>
1658
1659         * script-sections.h: Include <list>.
1660         (class Script_sections): Change Sections_elements from std::vector
1661         to std::list.  Typedef public Elements_iterator.  Add
1662         orphan_section_placement_, data_segment_align_start_, and
1663         saw_data_segment_align_ fields.  Remove data_segment_align_index_
1664         field.
1665         * script-sections.cc (class Orphan_section_placement): New class.
1666         (class Sections_element): Add virtual functions is_relro and
1667         orphan_section_init.  Remove virtual function place_orphan_here.
1668         (class Output_section_definition): Add is_relro and
1669         orphan_section_init.  Remove place_orphan_here.
1670         (class Orphan_output_section): Likewise.
1671         (Script_sections::Script_sections): Update for field changes.
1672         (Script_sections::data_segment_align): Set saw_data_segment_align_
1673         and data_segment_align_start_, not data_segment_align_index.
1674         (Script_sections::data_segment_relro_end): Check
1675         saw_data_segment_align_.  Use data_segment_align_start_ rather
1676         than data_segment_align_index_.
1677         (Script_sections::place_orphan): Rewrite to use
1678         Orphan_section_placement.
1679
1680 2009-03-17  Ian Lance Taylor  <iant@google.com>
1681
1682         * archive.cc (Archive::add_symbols): Check for a version attached
1683         to the symbol name in the archive map.
1684         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
1685         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
1686         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
1687         (ver_test_11.a): New target.
1688         * testsuite/Makefile.in: Rebuild.
1689
1690         * configure.ac: Check for chsize and posix_fallocate.  Replace
1691         ftruncate.
1692         * ftruncate.c: New file, from gnulib.
1693         * output.cc (posix_fallocate): Define dummy version if not
1694         HAVE_POSIX_FALLOCATE.
1695         (Output_file::map): Call posix_fallocate rather than lseek and
1696         write.
1697         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
1698         * configure, Makefile.in, config.in: Rebuild.
1699
1700 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
1701
1702         * layout.h (Layout::create_note): Add section_name parameter.
1703         * layout.cc (Layout::create_note): Likewise.
1704         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
1705
1706 2009-03-17  Ian Lance Taylor  <iant@google.com>
1707
1708         * descriptors.cc: Include "options.h".
1709         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
1710         (Descriptors::open): Always use O_CLOEXEC when opening a new
1711         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
1712         then set FD_CLOEXEC.
1713
1714         * sparc.cc (class Target_sparc): Add has_got_section.
1715         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
1716         make sure we have a GOT section.
1717
1718         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
1719         (Target_sparc::Scan::local): Likewise.
1720         (Target_sparc::Scan::global): Likewise.
1721         (Target_sparc::Relocate::relocate): Likewise.
1722         (Target_sparc::Relocate::relocate_tls): Likewise.
1723
1724         * symtab.cc (Symbol_table::define_default_version): New function,
1725         broken out of add_from_object.
1726         (Symbol_table::add_from_object): Call define_default_version.
1727         (Symbol_table::define_special_symbol): Add resolve_oldsym
1728         parameter.  Change all callers.  If the version for a symbol comes
1729         from a version script, resolve it with the symbol with the same
1730         name with no version.  Also add the symbol without a version if
1731         appropriate.
1732         (do_define_in_output_data): If resolving with oldsym, don't delete
1733         sym.
1734         (do_define_in_output_segment): Likewise.
1735         (do_define_as_constant): Likewise.
1736         * symtab.h (class Symbol_table): Update declarations.
1737
1738 2009-03-13  Ian Lance Taylor  <iant@google.com>
1739
1740         * readsyms.cc (Read_symbols::incompatible_warning): New function.
1741         (Read_symbols::requeue): New function.
1742         (Read_symbols::do_read_symbols): If make_elf_object fails because
1743         the target type is not configured, and the file was searched for,
1744         issue a warning and retry with the next directory.
1745         (Add_symbols::run): If the file has an incompatible format, and
1746         it was searched for, requeue the Read_symbols task.  On error,
1747         release the object.
1748         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
1749         dirindex parameter to constructor.  Change all callers.  Declare
1750         incompatible_warning and requeue.
1751         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
1752         input_argument_ and input_group_ fields.  Add them to
1753         constructor.  Change all callers.
1754         (class Read_script): Add dirindex_ field.  Add it to constructor.
1755         Change all callers.
1756         * archive.cc (Archive::setup): Remove input_objects parameter.
1757         Change all callers.
1758         (Archive::get_file_and_offset): Likewise.
1759         (Archive::read_all_symbols): Likewise.
1760         (Archive::read_symbols): Likewise.
1761         (Archive::get_elf_object_for_member): Remove input_objects
1762         parameter.  Add punconfigured parameter.  Change all callers.
1763         (Archive::add_symbols): Change return type to bool.  Check return
1764         value of include_member.
1765         (Archive::include_all_members): Likewise.
1766         (Archive::include_member): Change return type to bool.  Return
1767         false if first included object has incompatible target.  Set
1768         included_member_ field.
1769         (Add_archive_symbols::run): If add_symbols returns false, requeue
1770         Read_symbols task.
1771         * archive.h (class Archive): Add included_member_ field.
1772         Initialize it in constructor.  Add input_file and searched_for
1773         methods.  Update declarations.
1774         (class Add_archive_symbols): Add dirpath_, dirindex_, and
1775         input_argument_ fields.  Add them to constructor.  Change all
1776         callers.
1777         * script.cc: Include "target-select.h".
1778         (class Parser_closure): Add skip_on_incompatible_target_ and
1779         found_incompatible_target_ fields.  Add
1780         skip_on_incompatible_target parameter to constructor.  Change all
1781         callers.  Add methods skip_on_incompatible_target,
1782         clear_skip_on_incompatible_target, found_incompatible_target, and
1783         set_found_incompatible_target.
1784         (read_input_script): Add dirindex parameter.  Change all callers.
1785         If parser finds an incompatible target, requeue Read_symbols
1786         task.
1787         (script_set_symbol): Clear skip_on_incompatible_target in
1788         closure.
1789         (script_add_assertion, script_parse_option): Likewise.
1790         (script_start_sections, script_add_phdr): Likewise.
1791         (script_check_output_format): New function.
1792         * script.h (read_input_script): Update declaration.
1793         * script-c.h (script_check_output_format): Declare.
1794         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
1795         (ignore_cmd): Remove OUTPUT_FORMAT.
1796         * fileread.cc (Input_file::Input_file): Add explicit this.
1797         (Input_file::will_search_for): New function.
1798         (Input_file::open): Add pindex parameter.  Change all callers.
1799         * fileread.h (class Input_file): Add input_file_argument method.
1800         Declare will_search_for.  Update declarations.
1801         * object.cc (make_elf_object): Add punconfigured parameter.
1802         Change all callers.
1803         * object.h (class Object): Make input_file public.  Add
1804         searched_for method.
1805         (make_elf_object): Update declaration.
1806         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
1807         restart search.
1808         * dirsearch.h (class Dirsearch): Update declaration.
1809         * options.h (class General_options): Add --warn-search-mismatch.
1810         * parameters.cc (Parameters::is_compatible_target): New function.
1811         * parameters.h (class Parameters): Declare is_compatible_target.
1812         * workqueue.cc (Workqueue::add_blocker): New function.
1813         * workqueue.h (class Workqueue): Declare add_blocker.
1814
1815         * fileread.cc (Input_file::open): Remove options parameter.
1816         Change all callers.
1817         (Input_file::open_binary): Likewise.
1818         * script.cc (read_input_script): Likewise.
1819         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
1820         options parameter from constructor.  Change all callers.
1821         (class Read_script): Likewise.
1822         * fileread.h (class Input_file): Update declarations.
1823         * script.h (read_input_script): Update declaration.
1824
1825 2009-03-10  Nick Clifton  <nickc@redhat.com>
1826
1827         * po/es.po: New Spanish translation.
1828
1829 2009-03-06  Cary Coutant  <ccoutant@google.com>
1830
1831         * options.cc (parse_short_option): Keep dash_z from registering itself.
1832
1833 2009-03-03  Ian Lance Taylor  <iant@google.com>
1834
1835         PR 9918
1836         * target-reloc.h (relocate_section): Pass output_section to
1837         relocate.
1838         * i386.cc (Target_i386::should_apply_static_reloc): Add
1839         output_section parameter.  Change all callers.
1840         (Target_i386::Relocate::relocate): Add output_section parameter.
1841         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
1842         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
1843         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
1844         * testsuite/two_file_shared.sh: New script.
1845         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
1846         (check_DATA): Add two_file_shared.dbg.
1847         (two_file_shared.dbg): New target.
1848         * testsuite/Makefile.in: Rebuild.
1849
1850 2009-03-01  Ian Lance Taylor  <iant@google.com>
1851
1852         * configure.ac: Check for byteswap.h.
1853         * configure: Rebuild.
1854         * config.in: Rebuild.
1855
1856 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
1857
1858         * layout.cc (Layout::find_or_add_kept_section): New function.
1859         (Layout::add_comdat): Removed.
1860         * layout.h (struct Kept_section): Move out of class Layout.
1861         Remove trailing underscores from field names.  Add group_sections
1862         field.  Rename group_ field to is_group.  Change all uses.
1863         (class Layout): Declare find_or_add_kept_section, not add_comdat.
1864         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
1865         comdat_groups_ field.
1866         (Sized_relobj::include_section_group): Use
1867         find_or_add_kept_section and Kept_section::group_sections.
1868         (Sized_relobj::include_linkonce_section): Likewise.
1869         * object.cc (class Sized_relobj): Don't define Comdat_group or
1870         Comdat_group_table.  Remove find_comdat_group and
1871         add_comdat_group.  Remove comdat_groups_ field.
1872         * plugin.cc (include_comdat_group): Use
1873         Layout::find_or_add_kept_section.
1874
1875 2009-02-28  Ian Lance Taylor  <iant@google.com>
1876
1877         * README: --gc-sections and map files are now supported.  Document
1878         some build requirements.
1879
1880         PR 6992
1881         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
1882         relocatable link set the value of the section symbol to zero.
1883         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
1884         relocatable link don't include the section address in the local
1885         symbol value.
1886
1887 2009-02-27  Ian Lance Taylor  <iant@google.com>
1888
1889         PR 6811
1890         * options.h (class Search_directory): Add is_system_directory.
1891         (class General_options): Declare is_in_system_directory.
1892         * options.cc (get_relative_sysroot): Make static.
1893         (get_default_sysroot): Make static.
1894         (General_optoins::is_in_system_directory): New function.
1895         * fileread.cc (Input_file::is_in_system_directory): New function.
1896         * fileread.h (class Input_file): Declare is_in_system_directory.
1897         * object.h (class Object): Add is_in_system_directory.
1898         (class Input_objects): Remove system_library_directory_ field.
1899         * object.cc (Input_objects::add_object): Don't set
1900         system_library_directory_.
1901         (input_objects::found_in_system_library_directory): Remove.
1902         * symtab.cc (Symbol_table::write_globals): Remove input_objects
1903         parameter.  Change all callers.
1904         (Symbol_table::sized_write_globals): Likewise.
1905         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
1906         Call Object::is_in_system_directory.
1907         * symtab.h (class Symbol_table): Update declarations.
1908
1909         PR 5990
1910         * descriptors.h (Open_descriptor): Add is_on_stack field.
1911         * descriptors.cc (Descriptors::open): If the descriptor is on the
1912         top of the stack, remove it.  Initialize is_on_stack field.
1913         (Descriptors::release): Only add pod to stack if it is not on the
1914         stack already.
1915         (Descriptors::close_some_descriptor): Clear stack_next and
1916         is_on_stack fields.
1917
1918         PR 7091
1919         * output.cc (Output_section::find_starting_output_address): Rename
1920         from starting_output_address; add PADDR parameter; change return
1921         type.
1922         * output.h (class Output_section): Declare
1923         find_starting_output_address instead of starting_output_address.
1924         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
1925         section symbol for which we can't find a merge section.
1926
1927         PR 9836
1928         * symtab.cc (Symbol_table::add_from_object): If the visibility is
1929         hidden or internal, force the symbol to be local.
1930         * resolve.cc (Symbol::override_visibility): Define.
1931         (Symbol::override_base): Use override_visibility.
1932         (Symbol_table::resolve): Likewise.
1933         (Symbol::override_base_with_special): Likewise.
1934         (Symbol_table::override_with_special): If the visibility is hidden
1935         or internal, force the symbol to be local.
1936         * symtab.h (class Symbol): Add set_visibility and
1937         override_visibility.
1938         * testsuite/ver_test_1.sh: New file.
1939         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
1940         (check_DATA): Add ver_test_1.syms.
1941         (ver_test_1.syms): New target.
1942         * testsuite/Makefile.in: Rebuild.
1943
1944 2009-02-25  Cary Coutant  <ccoutant@google.com>
1945
1946         * layout.cc (Layout::choose_output_section): Don't rename sections
1947         when using a linker script that has a SECTIONS clause.
1948         * Makefile.in: Regenerate.
1949
1950         * testsuite/Makefile.am (script_test_5.sh): New test case.
1951         * testsuite/Makefile.in: Regenerate.
1952         * testsuite/script_test_5.cc: New file.
1953         * testsuite/script_test_5.sh: New file.
1954         * testsuite/script_test_5.t: New file.
1955
1956 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
1957
1958         * archive.cc (Archive::include_member): Update calls to add_symbols.
1959         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
1960         the Layout argument.
1961         * dynobj.h (do_add_symbols): Add the Layout argument.
1962         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
1963         Layout argument.
1964         * object.h (Object::add_symbols): Add the Layout argument.
1965         (Object::do_add_symbols): Add the Layout argument.
1966         (Sized_relobj::do_add_symbols): Add the Layout argument.
1967         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
1968         Unify the two versions.
1969         (Add_plugin_symbols): Remove.
1970         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
1971         (Sized_pluginobj::do_add_symbols): Unify the two versions.
1972         (Add_plugin_symbols): Remove.
1973         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
1974         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
1975         (Add_symbols::run): Make it work with Pulginobj.
1976
1977 2009-02-06  Ian Lance Taylor  <iant@google.com>
1978
1979         * object.cc (Sized_relobj::do_layout): Make info message start
1980         with lower case letter.
1981
1982 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
1983
1984         * binary.cc: Fix file comment.
1985
1986         * options.h (enum Incremental_disposition): Define.
1987         (class General_options): Add new options: --incremental,
1988         --incremental_changed, --incremental_unchanged,
1989         --incremental_unknown.  Add incremental_disposition_ and
1990         implicit_incremental_ fields.
1991         (General_options::incremental_disposition): New function.
1992         (class Position_dependent_options): Add incremental_disposition
1993         option.
1994         (Position_dependent_options::copy_from_options): Set incremental
1995         dispositions.
1996         * options.cc (General_options::parse_incremental_changed): New
1997         function.
1998         (General_options::parse_incremental_unchanged): New function.
1999         (General_options::parse_incremental_unknown): New function.
2000         (General_options::General_options): Initialize new fields
2001         incremental_disposition_ and implicit_incremental_.
2002         (General_options::finalize): Check for uasge of --incremental-*
2003         without --incremental.
2004
2005 2009-02-06  Chris Demetriou  <cgd@google.com>
2006
2007         * gold.h (gold_undefined_symbol): Change to take only a Symbol
2008         pointer and to report location as the file name associated with
2009         the symbol.
2010         (gold_undefined_symbol_at_location): New function to replace the
2011         old gold_undefined_symbol functionality.
2012         * target-reloc.h (relocate_section): Update to use
2013         gold_undefined_symbol_at_location.
2014         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2015         Call gold_undefined_symbol function rather than gold_error.
2016         * errors.h (Errors::undefined_symbol): Take location as a
2017         string, rather than calculating it from a relocation.
2018         * errors.cc (Errors::fatal): Print "fatal error:" before the
2019         formatted message.
2020         (Errors::error, Errors::error_at_location): Print "error: "
2021         before the formatted message.
2022         (Errors::undefined_symbol): Take location as a string, rather
2023         than calculating it from a relocation.
2024         (gold_undefined_symbol_at_location): New function akin to
2025         old gold_undefined_symbol, calculates location from relocation.
2026         (gold_undefined_symbol): Change to take only a Symbol pointer
2027         and to report location as the file name associated with the symbol.
2028         * testsuite/debug_msg.sh: Update for changed error messages.
2029         * testsuite/undef_symbol.sh: Likewise.
2030
2031 2009-02-04  Duncan Sands  <baldrick@free.fr>
2032
2033         PR 9812
2034         * reduced_debug_output.h
2035         (Output_reduced_debug_abbrev_section::failed): Use format for
2036         gold_warning.
2037         (Output_reduced_debug_info_section::faild): Likewise.
2038
2039 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
2040
2041         * script.cc (Lazy_demangler): New class.
2042         (Version_script_info::get_symbol_version_helper): Demangle a
2043         symbol only once.
2044
2045 2009-01-29  Cary Coutant  <ccoutant@google.com>
2046
2047         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
2048         to __tls_get_addr.
2049         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2050
2051 2009-01-28  Ian Lance Taylor  <iant@google.com>
2052
2053         * version.cc (version_string): Bump to 1.9.
2054
2055         * gold.h: Include <cstring> and <stdint.h>.
2056         * version.cc: Include <cstdio>.
2057         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
2058         warning.
2059         * reduced_debug_output.cc (insert_into_vector): Rename from
2060         Insert_into_vector; change all callers.  Use Swap_unaligned to
2061         avoid aliasing issue; remove union since it is unnecessary.
2062
2063 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
2064
2065         * Makefile.am (CCFILES): Add gc.cc.
2066         (HFILES): Add gc.h.
2067         * Makefile.in: Regenerate.
2068         * gold.cc (Gc_runner): New class.
2069         (queue_initial_tasks): Call garbage collection related tasks
2070         when corresponding options are invoked.
2071         (queue_middle_gc_tasks): New function.
2072         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
2073         processed early before laying out sections during garbage collection.
2074         * gold.h (queue_middle_gc_tasks): New function.
2075         (is_prefix_of): Move from "layout.cc".
2076         * i386.cc (Target_i386::gc_process_relocs): New function.
2077         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
2078         * main.cc (main): Create object of class "Garbage_collection".
2079         * object.cc (Relobj::copy_symbols_data): New function.
2080         (Relobj::is_section_name_included): New function.
2081         (Sized_relobj::do_layout): Allow this function to be called twice
2082         during garbage collection and defer layout of section during the
2083         first call.
2084         * object.h (Relobj::get_symbols_data): New function.
2085         (Relobj::is_section_name_included): New function.
2086         (Relobj::copy_symbols_data): New function.
2087         (Relobj::set_symbols_data): New function.
2088         (Relobj::get_relocs_data): New function.
2089         (Relobj::set_relocs_data): New function.
2090         (Relobj::is_output_section_offset_invalid): New pure virtual function.
2091         (Relobj::gc_process_relocs): New function.
2092         (Relobj::do_gc_process_relocs): New pure virtual function.
2093         (Relobj::sd_): New data member.
2094         (Sized_relobj::is_output_section_offset_invalid): New function.
2095         (Sized_relobj::do_gc_process_relocs): New function.
2096         * options.h (General_options::gc_sections): Modify to not be a no-op.
2097         (General_options::print_gc_sections): New option.
2098         * plugin.cc (Plugin_finish::run): Remove function call to
2099         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
2100         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
2101         * reloc.cc (Read_relocs::run): Add task to process relocs and
2102         determine unreferenced sections when doing garbage collection.
2103         (Gc_process_relocs): New class.
2104         (Sized_relobj::do_gc_process_relocs): New function.
2105         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
2106         sections that are garbage collected.
2107         * reloc.h (Gc_process_relocs): New class.
2108         * sparc.cc (Target_sparc::gc_process_relocs): New function.
2109         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
2110         symbols whose corresponding sections are garbage collected.
2111         (Symbol_table::Symbol_table): Add new parameter for the garbage
2112         collection object.
2113         (Symbol_table::gc_mark_undef_symbols): New function.
2114         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2115         (Symbol_table::gc_mark_dyn_syms): New function.
2116         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
2117         as garbage.
2118         (Symbol_table::add_from_object): Likewise.
2119         (Symbol_table::add_from_relobj): When building shared objects, do not
2120         treat externally visible symbols as garbage.
2121         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
2122         table information for static and relocatable links.
2123         * symtab.h (Symbol_table::set_gc): New function.
2124         (Symbol_table::gc): New function.
2125         (Symbol_table::gc_mark_undef_symbols): New function.
2126         (Symbol_table::gc_mark_symbol_for_shlib): New function.
2127         (Symbol_table::gc_mark_dyn_syms): New function.
2128         (Symbol_table::gc_): New data member.
2129         * target.h (Sized_target::gc_process_relocs): New pure virtual
2130         function.
2131         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
2132         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
2133
2134 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
2135
2136         * options.h (General_options::gc_sections): Define as a no-op for now.
2137         (General_options::no_keep_memory): Ditto.
2138         (General_options::Bshareable): Define.
2139         * options.cc (General_options::finalize): Honor -Bshareable.
2140
2141 2009-01-20  Andreas Schwab  <schwab@suse.de>
2142
2143         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
2144         read the value in the contents, since we don't use it.  Use the
2145         template endianness when writing.
2146         (Relocate::relocate): Use it for R_PPC_REL16_HA.
2147
2148 2009-01-19  Andreas Schwab  <schwab@suse.de>
2149
2150         * configure.tgt (powerpc64-*): Fix targ_obj.
2151
2152 2009-01-15  Ian Lance Taylor  <iant@google.com>
2153
2154         * object.cc (Sized_relobj::write_local_symbols): Don't write out
2155         local symbols when stripping all symbols.
2156
2157 2009-01-14  Cary Coutant  <ccoutant@google.com>
2158
2159         * output.cc (Output_reloc): Add explicit instantiations.
2160
2161 2009-01-14  Cary Coutant  <ccoutant@google.com>
2162
2163         * archive.cc (Archive::get_elf_object_for_member): Remove call
2164         to File_read::claim_for_plugin.
2165         * descriptors.cc (Descriptors::open): Remove reference to
2166         is_claimed.
2167         (Descriptors::claim_for_plugin): Remove.
2168         * descriptors.h (Descriptors::claim_for_plugin): Remove.
2169         (Descriptors::is_claimed): Remove.
2170         (claim_descriptor_for_plugin): Remove.
2171         * fileread.cc (File_read::claim_for_plugin): Remove.
2172         * fileread.h (File_read::claim_for_plugin): Remove.
2173         (File_read::descriptor): Reopen descriptor if necessary.
2174         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
2175         (Plugin_manager::all_symbols_read): Add task parameter. Change
2176         all callers.
2177         (Plugin_manager::get_input_file): New function.
2178         (Plugin_manager::release_input_file): New function.
2179         (Pluginobj::Pluginobj): Add filesize parameter and initialize
2180         corresponding data member.
2181         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
2182         and pass to base constructor. Change all callers.
2183         (get_input_file, release_input_file): New functions.
2184         (make_sized_plugin_object): Add filesize parameter. Change all callers.
2185         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
2186         (Plugin_manager::all_symbols_read): Add task parameter.
2187         (Plugin_manager::get_input_file): New function.
2188         (Plugin_manager::release_input_file): New function.
2189         (Plugin_manager::task_): New data member.
2190         (Pluginobj::Pluginobj): Add filesize parameter.
2191         (Pluginobj::filename): New function.
2192         (Pluginobj::descriptor): New function.
2193         (Pluginobj::filesize): New function.
2194         (Pluginobj::filesize_): New data member.
2195         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
2196         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
2197         File_read::claim_for_plugin; use Object::unlock to unlock the file.
2198
2199         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
2200         with archive libraries.
2201         * testsuite/Makefile.in: Regenerate.
2202         * testsuite/plugin_test.c (struct sym_info): New type.
2203         (get_input_file, release_input_file): New static variables.
2204         (onload): Capture new transfer vector entries.
2205         (claim_file_hook): Stop reading at end of file according to filesize.
2206         Factor out parsing of readelf output into separate function.
2207         (all_symbols_read_hook): Exercise get_input_file and release_input_file
2208         APIs and get the source file name from the symbol table.  Convert
2209         source file name to corresponding object file name.  Print info
2210         message when adding new input files.
2211         (parse_readelf_line): New function.
2212         * testsuite/plugin_test_1.sh: Add checks for new info messages.
2213         * testsuite/plugin_test_2.sh: Likewise.
2214         * testsuite/plugin_test_3.sh: Likewise.
2215         * testsuite/plugin_test_4.sh: New test case.
2216
2217 2009-01-07  Ian Lance Taylor  <iant@google.com>
2218
2219         * version.cc (version_string): Bump to 1.8.
2220
2221 2008-12-23  Cary Coutant  <ccoutant@google.com>
2222
2223         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
2224         * plugin.cc (Plugin_manager::finish): Rename as
2225         layout_deferred_objects.  Move cleanup to separate function.
2226         (Plugin_manager::cleanup): New function.
2227         (Plugin_finish::run): Call layout_deferred_objects and cleanup
2228         separately.
2229         * plugin.h (Plugin_manager::finish): Rename as
2230         layout_deferred_objects.
2231         (Plugin_manager::cleanup): New function.
2232         (Plugin_manager::cleanup_done): New field.
2233
2234 2008-12-23  Cary Coutant  <ccoutant@google.com>
2235
2236         * plugin.cc (is_visible_from_outside): New function.
2237         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
2238         so we don't return "IR only" status for exported symbols or -r links.
2239
2240         * testsuite/Makefile.am (plugin_test_3): New test case.
2241         * testsuite/Makefile.in: Regenerate.
2242         * testsuite/plugin_test_3.sh: New file.
2243
2244 2008-12-22  Cary Coutant  <ccoutant@google.com>
2245
2246         * object.cc (Sized_relobj::layout_section): New function.
2247         (Sized_relobj::do_layout): Defer layout of input sections until after
2248         plugin has provided replacement files.
2249         (Sized_relobj::do_layout_deferred_sections): New function.
2250         * object.h (Relobj::set_section_offset): Remove virtual keyword.
2251         (Relobj::layout_deferred_sections): New function.
2252         (Relobj::do_layout_deferred_sections): New function.
2253         (Sized_relobj::do_layout_deferred_sections): New function.
2254         (Sized_relobj::layout_section): New function.
2255         (Sized_relobj::Deferred_layout): New structure.
2256         (Sized_relobj::deferred_layout_): New field.
2257         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
2258         Change all callers.  Layout deferred sections.
2259         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
2260         references.
2261         (Plugin_hook::run): Move code from do_plugin_hook inline.
2262         (Plugin_hook::do_plugin_hook): Remove.
2263         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
2264         (Plugin_manager::finish): Renamed, was cleanup.
2265         (Plugin_manager::should_defer_layout): New function.
2266         (Plugin_manager::add_deferred_layout_object): New function.
2267         (Plugin_manager::Deferred_layout_list): New type.
2268         (Plugin_manager::deferred_layout_objects_): New field.
2269         (Plugin_hook::do_plugin_hook): Remove.
2270
2271 2008-12-17  Ian Lance Taylor  <iant@google.com>
2272
2273         * options.h (class General_options): Add --no case for
2274         --export-dynamic.
2275
2276 2008-12-16  Cary Coutant  <ccoutant@google.com>
2277
2278         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
2279         vector.
2280         (Plugin_manager::claim_file): Create plugin object even if
2281         plugin did not call the add_symbols callback.
2282         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
2283         asking for more symbols than were added.
2284         * testsuite/Makefile.am (plugin_test_1): Add test case with
2285         no global symbols.
2286         (empty.syms): New target.
2287         * testsuite/Makefile.in: Regenerate.
2288         * testsuite/plugin_test.c (claim_file_hook): Add new debug
2289         message. Don't call add_symbols if no globals.
2290         (all_symbols_read_hook): Don't provide replacement for empty
2291         claimed file.
2292
2293 2008-12-12  Ian Lance Taylor  <iant@google.com>
2294
2295         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
2296         r_type == 0 for a local symbol with r_sym == 0.
2297         (scan_relocatable_relocs): Pass r_sym to
2298         local_non_section_strategy.
2299         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
2300         r_sym parameter.
2301
2302         * configure.ac: Update test for TLS descriptors: they are
2303         supported as of glibc 2.9.
2304         * configure: Rebuild.
2305
2306 2008-12-11  Ian Lance Taylor  <iant@google.com>
2307
2308         PR 7091
2309         * target-reloc.h (Default_scan_relocatable_relocs): For each
2310         function, map r_type == 0 to RELOC_DISCARD.
2311
2312 2008-12-10  Cary Coutant  <ccoutant@google.com>
2313
2314         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
2315         object to override a kept COMDAT group from a plugin object.
2316
2317 2008-12-09  Ian Lance Taylor  <iant@google.com>
2318
2319         PR 7088
2320         * yyscript.y (file_cmd): Handle INPUT.
2321
2322         * testsuite/initpri1.c: Change all declarations to be full
2323         prototypes by adding void, to avoid compiler warnings.
2324
2325 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
2326
2327         * options.cc (General_options::parse_plugin_opt): New.
2328         (General_options::add_plugin): The argument now is just the filename.
2329         (General_options::add_plugin_option): New.
2330         * options.h (plugin_opt): New.
2331         (add_plugin): Change argument name.
2332         (add_plugin_option): New.
2333         * plugin.cc (Plugin::load): Don't parse the plugin option.
2334         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
2335         (Plugin::add_option): New.
2336         (Plugin::args_): Change type.
2337         (Plugin::filename_): New.
2338         (Plugin_manager::add_plugin_option): New.
2339         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
2340         * testsuite/Makefile.in: Regenerate.
2341
2342 2008-12-05  Cary Coutant  <ccoutant@google.com>
2343
2344         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
2345         Handle --strip-lto-sections option.
2346         * options.h (strip_lto_sections): New option.
2347
2348 2008-12-01  Cary Coutant  <ccoutant@google.com>
2349
2350         * plugin.cc (ld_plugin_message): Change format parameter to const.
2351         Fix mismatch between new[] and delete.
2352
2353 2008-11-14  Cary Coutant  <ccoutant@google.com>
2354
2355         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
2356         instead of -1U.
2357
2358 2008-11-05  Craig Silverstein  <csilvers@google.com>
2359
2360         * options.cc (General_options::parse_dynamic_list): New function.
2361         * options.h (General_options): New flags dynamic_list,
2362         dynamic_list_data, dynamic_list_cpp_new, and
2363         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
2364         (General_options::in_dynamic_list): New function.
2365         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
2366         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
2367         (Lex::can_continue_name): Likewise.
2368         (yylex): Likewise.
2369         (read_script_file): New parameter script_options.
2370         (read_dynamic_list): New function.
2371         (Script_options::define_dynamic_list): New function.
2372         (dynamic_list_keyword_parsecodes): New variable.
2373         (dynamic_list_keywords): New variable.
2374         * script.h (Script_options::define_dynamic_list): New function
2375         prototype.
2376         (read_dynamic_list): New function prototype.
2377         * symtab.cc (strprefix): New macro.
2378         (Symbol::should_add_dynsym_entry): Support dynamic_list,
2379         dynamic_list_data, dynamic_list_cpp_new, and
2380         dynamic_list_cpp_typeinfo.
2381         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
2382         (dynamic_list_expr): New rule.
2383         (dynamic_list_nodes): Likewise.
2384         (dynamic_list_node): Likewise.
2385         * testsuite/Makefile.am (dynamic_list): New test.
2386         * testsuite/Makefile.in: Regenerated.
2387         * testsuite/dynamic_list.t: New file.
2388         * testsuite/dynamic_list.sh: New file.
2389
2390 2008-11-05  Craig Silverstein  <csilvers@google.com>
2391
2392         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
2393         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
2394         (t11_last): Likewise.
2395         * testsuite/ver_test_6.c (main): Likewise.
2396
2397 2008-10-07  Cary Coutant  <ccoutant@google.com>
2398
2399         * options.c (General_options::finalize): Add check for -static and
2400         -shared.
2401         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
2402         is not empty.
2403
2404 2008-10-02  Cary Coutant  <ccoutant@google.com>
2405
2406         * plugin.cc (make_sized_plugin_object): Fix conditional
2407         compilation to work when not all targets are enabled.
2408
2409 2008-09-29  Cary Coutant  <ccoutant@google.com>
2410
2411         * archive.cc (Archive::get_file_and_offset): Use filename instead
2412         of name to get library path.
2413         (Archive::include_member): Unlock external member of a thin archive.
2414
2415         * testsuite/Makefile.am (TEST_AR): New variable.
2416         (thin_archive_test_1): New test.
2417         (thin_archive_test_2): New test.
2418         * testsuite/Makefile.in: Regenerate.
2419         * testsuite/thin_archive_main.cc: New file.
2420         * testsuite/thin_archive_test_1.cc: New file.
2421         * testsuite/thin_archive_test_2.cc: New file.
2422         * testsuite/thin_archive_test_3.cc: New file.
2423         * testsuite/thin_archive_test_4.cc: New file.
2424
2425 2008-09-29  Cary Coutant  <ccoutant@google.com>
2426
2427         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
2428         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
2429         instead of -1U.
2430         (Sized_relobj::do_finalize_local_symbols): Likewise.
2431         (Sized_relobj::map_to_kept_section): Likewise.
2432         * object.h (Sized_relobj::invalid_address): New constant.
2433         (Sized_relobj::do_output_section_offset): Check for invalid_address
2434         and return -1ULL.
2435         * output.cc (Output_reloc::local_section_offset): Use constant
2436         invalid_address instead of -1U.
2437         (Output_reloc::get_address): Likewise.
2438         (Output_section::output_address): Change -1U to -1ULL.
2439         * output.h (Output_reloc::invalid_address): New constant.
2440         * reloc.cc (Sized_relobj::write_sections): Use constant
2441         invalid_address instead of -1U.
2442         (Sized_relobj::relocate_sections): Likewise.
2443         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
2444         values for merge sections.
2445         * target-reloc.h (relocate_for_relocatable): Use constant
2446         invalid_address instead of -1U.
2447
2448 2008-09-19  Cary Coutant  <ccoutant@google.com>
2449
2450         Add plugin functionality for link-time optimization (LTO).
2451         * configure.ac (plugins): Add --enable-plugins option.
2452         * configure: Regenerate.
2453         * config.in: Regenerate.
2454         * Makefile.am (LIBDL): New variable.
2455         (CCFILES): Add plugin.cc.
2456         (HFILES): Add plugin.h.
2457         (ldadd_var): Add LIBDL.
2458         * Makefile.in: Regenerate.
2459
2460         * archive.cc: Include "plugin.h".
2461         (Archive::setup): Don't preread archive symbols when using a plugin.
2462         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
2463         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
2464         files.
2465         (Archive::include_member): Add symbols from plugin objects.
2466         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
2467         * descriptors.cc (Descriptors::open): Check for file descriptors
2468         abandoned by plugins.
2469         (Descriptors::claim_for_plugin): New function.
2470         * descriptors.h (Descriptors::claim_for_plugin): New function.
2471         (Open_descriptor::is_claimed): New field.
2472         (claim_descriptor_for_plugin): New function.
2473         * fileread.cc (File_read::claim_for_plugin): New function.
2474         * fileread.h (File_read::claim_for_plugin): New function.
2475         (File_read::descriptor): New function.
2476         * gold.cc: Include "plugin.h".
2477         (queue_initial_tasks): Add task to call plugin hooks for generating
2478         new object files.
2479         * main.cc: Include "plugin.h".
2480         (main): Load plugin libraries.
2481         * object.h (Pluginobj): Declare.
2482         (Object::pluginobj): New function.
2483         (Object::do_pluginobj): New function.
2484         (Object::set_target): New function.
2485         * options.cc: Include "plugin.h".
2486         (General_options::parse_plugin): New function.
2487         (General_options::General_options): Initialize plugins_ field.
2488         (General_options::add_plugin): New function.
2489         * options.h (Plugin_manager): Declare.
2490         (General_options): Add --plugin option.
2491         (General_options::has_plugins): New function.
2492         (General_options::plugins): New function.
2493         (General_options::add_plugin): New function.
2494         (General_options::plugins_): New field.
2495         * plugin.cc: New file.
2496         * plugin.h: New file.
2497         * readsyms.cc: Include "plugin.h".
2498         (Read_symbols::do_read_symbols): Check for archive before checking
2499         for ELF file.  Call plugin hooks to claim files.
2500         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
2501         from a real object file; force override when processing replacement
2502         files.
2503         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
2504         (Symbol::init_base_object): Likewise.
2505         (Symbol::init_base_output_data): Likewise.
2506         (Symbol::init_base_output_segment): Likewise.
2507         (Symbol::init_base_constant): Likewise.
2508         (Symbol::init_base_undefined): Likewise.
2509         (Symbol::output_section): Assert that object is not a plugin.
2510         (Symbol_table::add_from_pluginobj): New function.
2511         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
2512         undefined.
2513         (Symbol_table::sized_write_globals): Likewise.
2514         (Symbol_table::add_from_pluginobj): Instantiate template.
2515         * symtab.h (Sized_pluginobj): Declare.
2516         (Symbol::in_real_elf): New function.
2517         (Symbol::set_in_real_elf): New function.
2518         (Symbol::in_real_elf_): New field.
2519         (Symbol_table::add_from_pluginobj): New function.
2520
2521         * testsuite/Makefile.am (AM_CFLAGS): New variable.
2522         (LIBDL): New variable.
2523         (LDADD): Add LIBDL.
2524         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
2525         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
2526         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
2527         (MOSTLYCLEANFILES): Likewise.
2528         * testsuite/Makefile.in: Regenerate.
2529         * testsuite/plugin_test.c: New file.
2530         * testsuite/plugin_test_1.sh: New file.
2531         * testsuite/plugin_test_2.sh: New file.
2532
2533 2008-09-16  Ian Lance Taylor  <iant@google.com>
2534
2535         * target-reloc.h (relocate_section): Check whether a symbol is
2536         defined by the ABI before reporting an undefined symbol error.
2537         * target.h (Target::is_defined_by_abi): Make parameter const.
2538         (Target::do_is_defined_by_abi): Likewise.
2539         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
2540         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
2541         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
2542         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
2543         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
2544         * testsuite/Makefile.in: Rebuild.
2545
2546         * fileread.cc (make_view): Add casts to avoid warning.
2547
2548 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
2549
2550         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
2551         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2552
2553 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
2554
2555         * options.h (General_options::output_is_executable): New.
2556         (General_options::output_is_pie): New.
2557         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
2558         for shared libraries.
2559         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
2560
2561 2008-09-11  Chris Demetriou  <cgd@google.com>
2562
2563         * options.h (origin): New -z option.
2564         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
2565         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
2566         in DT_FLAGS_1.
2567
2568 2008-09-05  Cary Coutant  <ccoutant@google.com>
2569
2570         * fileread.cc (File_read::make_view): Add check for attempt to map
2571         beyond end of file.
2572
2573 2008-09-05  Cary Coutant  <ccoutant@google.com>
2574
2575         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
2576         explicit instantiations.
2577
2578 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
2579
2580         PR gold/6858
2581         * options.cc (General_options::finalize): Allow undefined symbols
2582         in shlibs if linking -shared.
2583
2584         PR gold/6859
2585         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
2586         symbols as not needing a dynsym entry.
2587
2588 2008-08-20  Craig Silverstein  <csilvers@google.com>
2589
2590         * fileread.cc (File_read::open): Do not lock the file unless it
2591         was successfully opened.
2592
2593 2008-08-14  Cary Coutant  <ccoutant@google.com>
2594
2595         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
2596         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
2597         * testsuite/tls_test.cc (struct int128): 128-bit struct
2598         for testing TLS relocs with non-zero addend.
2599         (v12): New TLS variable.
2600         (t12): New test.
2601         (t_last): Add check for v12.
2602         * testsuite/tls_test.h (t12): New function.
2603         * testsuite/tls_test_main.cc (thread_routine): Call new test.
2604
2605 2008-08-13  Ian Lance Taylor  <iant@google.com>
2606
2607         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
2608         set tls_segment_ or relro_segment_.
2609         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
2610         when appropriate.
2611         * output.h (Output_section::clear_is_relro): New function.
2612         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
2613         sections specially even when output_data_ is empty.
2614         (Output_segment::maximum_alignment): When first section is relro,
2615         only force alignment for PT_LOAD segments.
2616         * script.cc (script_data_segment_align): New function.
2617         (script_data_segment_relro_end): New function.
2618         * script-c.h (script_data_segment_align): Declare.
2619         (script_data_segment_relro_end): Declare.
2620         * script-sections.h (class Script_sections): Declare
2621         data_segment_align and data_segment_relro_end.  Add fields
2622         segment_align_index_ and saw_relro_end_.
2623         * script-sections.cc (class Sections_element): Add set_is_relro
2624         virtual function.  Add new bool* parameter to place_orphan_here.
2625         Add get_output_section virtual function.
2626         (class Output_section_definition): Add set_is_relro.  Add new
2627         bool* parameter to place_orphan_here.  Add get_output_section.
2628         Add is_relro_ field.
2629         (Output_section_definition::Output_section_definition): Initialize
2630         evaluated_address_, evaluated_load_address, evaluated_addralign_,
2631         and is_relro_ fields.
2632         (Output_section_definition::place_orphan_here): Add is_relro
2633         parameter.
2634         (Output_section_definition::set_section_addresses): Set relro for
2635         output section.
2636         (Output_section_definition::alternate_constraint): Likewise.
2637         (class Orphan_output_section): Add new bool* parameter to
2638         place_orphan_here.  Add get_output_section.
2639         (Orphan_output_section::place_orphan_here): Add is_relro
2640         parameter.
2641         (Script_sections::Script_sections): Initialize
2642         data_segment_align_index_ and saw_relro_end_.
2643         (Script_sections::data_segment_align): New function.
2644         (Script_sections::data_segment_relro_end): New function.
2645         (Script_sections::place_orphan): Set or clear is_relro.
2646         (Script_sections::set_section_addresses): Force alignment of first
2647         TLS section.
2648         * yyscript.y (exp): Call script_data_segment_align and
2649         script_data_segment_relro_end.
2650         * testsuite/relro_script_test.t: New file.
2651         * testsuite/relro_test.cc (using_script): Declare.
2652         (t1, t2): Test using_script.
2653         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
2654         (relro_script_test_SOURCES): Define.
2655         (relro_script_test_DEPENDENCIES): Define.
2656         (relro_script_test_LDFLAGS): Define.
2657         (relro_script_test_LDADD): Define.
2658         (relro_script_test.so): New target.
2659         * testsuite/Makefile.in: Rebuild.
2660
2661 2008-08-06  Cary Coutant <ccoutant@google.com>
2662
2663         * archive.cc (Archive::total_archives, Archive::total_members)
2664         (Archive::total_members_loaded): New variables.
2665         (Archive::setup): Add parameter.  Add option to preread
2666         archive symbols.
2667         (Archive::read_armap): Add counter.
2668         (Archive::get_file_and_offset): New function.
2669         (Archive::get_elf_object_for_member): New function.
2670         (Archive::read_all_symbols): New function.
2671         (Archive::read_symbols): New function.
2672         (Archive::add_symbols): Add counters.
2673         (Archive::include_all_members): Use armap to find members if it's
2674         already built.
2675         (Archive::include_member): Skip reading symbols if already read.
2676         Factored code into Archive::get_file_and_offset and
2677         Archive::get_elf_object_for_member.  Changed call to
2678         Mapfile::report_include_archive_member.
2679         (Archive::print_stats): New function.
2680         * archive.h: Declare Object and Read_symbols_data classes.
2681         (Archive::Archive): Add initializers for new members.
2682         (Archive::setup): Add parameter.
2683         (Archive::print_stats): New function.
2684         (Archive::total_archives, Archive::total_members)
2685         (Archive::total_members_loaded): New variables.
2686         (Archive::get_file_and_offset): New function.
2687         (Archive::get_elf_object_for_member): New function.
2688         (Archive::read_all_symbols): New function.
2689         (Archive::read_symbols): New function.
2690         (Archive::Archive_member): New class.
2691         (Archive::members_): New member.
2692         (Archive::num_members_): New member.
2693         * main.cc: Include archive.h.
2694         (main): Call Archive::print_stats.
2695         * mapfile.cc (Mapfile::report_include_archive_member): Delete
2696         archive parameter; member_name is now the fully-decorated name.
2697         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
2698         * options.h: (General_options): Add --preread-archive-symbols option.
2699         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
2700         Archive::setup.
2701
2702 2008-08-04  Ian Lance Taylor  <iant@google.com>
2703
2704         * symtab.h (Symbol::use_plt_offset): New function.
2705         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
2706         * powerpc.cc (Relocate::relocate): Likewise.
2707         * sparc.cc (Relocate::relocate): Likewise.
2708         * x86_64.cc (Relocate::relocate): Likewise.
2709         * testsuite/weak_plt.sh: New test.
2710         * testsuite/weak_plt_main.cc: New test.
2711         * testsuite/weak_plt_shared.cc: New test.
2712         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
2713         (check_PROGRAMS): Add weak_plt.
2714         (check_DATA): Add weak_plt_shared.so.
2715         (weak_plt_main_pic.o, weak_plt): New targets.
2716         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
2717         * testsuite/Makefile.in: Rebuild.
2718
2719         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
2720         gcctestdir/ld.
2721         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
2722         * testsuite/Makefile.in: Rebuild.
2723
2724 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
2725
2726         * Makefile.am (POTFILES.in): Set LC_ALL=C.
2727         * Makefile.in: Regenerate.
2728         * po/POTFILES.in: Regenerate.
2729
2730 2008-07-29  Ian Lance Taylor  <iant@google.com>
2731
2732         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
2733         symbols before other symbols.
2734         * testsuite/script_test_2.cc (test_addr): Declare.
2735         (test_addr_alias): Declare.
2736         (main): Check that test_addr and test_addr_alias have the right
2737         values.
2738         * testsuite/script_test_2.t: Define test_addr_alias and
2739         test_addr.
2740
2741 2008-07-24  Ian Lance Taylor  <iant@google.com>
2742
2743         PR 5990
2744         * descriptors.cc: New file.
2745         * descriptors.h: New file.
2746         * gold-threads.h (class Hold_optional_lock): New class.
2747         * fileread.cc: Include "descriptors.h".
2748         (File_read::~File_read): Release descriptor rather than closing
2749         it.
2750         (File_read::open) [file]: Call open_descriptor rather than open.
2751         Set is_descriptor_opened_.
2752         (File_read::open) [memory]: Assert that descriptor is not open.
2753         (File_read::reopen_descriptor): New function.
2754         (File_read::release): Release descriptor.
2755         (File_read::do_read): Make non-const.  Reopen descriptor.
2756         (File_read::read): Make non-const.
2757         (File_read::make_view): Reopen descriptor.
2758         (File_read::do_readv): Likewise.
2759         * fileread.h (class File_read): Add is_descriptor_opened_ field.
2760         Update declarations.
2761         * layout.cc: Include "descriptors.h".
2762         (Layout::create_build_id): Use open_descriptor rather than open.
2763         * output.cc: Include "descriptors.h".
2764         (Output_file::open): Use open_descriptor rather than open.
2765         * archive.cc (Archive::const_iterator): Change Archive to be
2766         non-const.
2767         (Archive::begin, Archive::end): Make non-const.
2768         (Archive::count_members): Likewise.
2769         * archive.h (class Archive): Update declarations.
2770         * object.h (Object::read): Make non-const.
2771         * Makefile.am (CCFILES): Add descriptors.cc.
2772         (HFILES): Add descriptors.h.
2773         * Makefile.in: Rebuild.
2774
2775         PR 6716
2776         * gold.h: Always include <clocale>.  Add Solaris workarounds
2777         following code in binutils/sysdep.h.
2778
2779         PR 6048
2780         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
2781         this->eh_frame_hdr_ is NULL before using it.
2782
2783         * dynobj.cc (Versions::Versions): Update comment.
2784
2785         * dynobj.cc (Versions::Versions): If there is an soname, use it as
2786         the base version name.
2787
2788         * stringpool.cc (Stringpool_template::add_with_length): Set key to
2789         array size plus one.
2790         (Stringpool_template::set_string_offsets): Subtract one from key
2791         before using it as an array index.
2792         (Stringpool_template::get_offset_with_length): Likewise.
2793         (Stringpool_template::write_to_buffer): Likewise.
2794         * stringpool.h (Stringpool_template::get_offset_from_key):
2795         Likewise.
2796
2797 2008-07-23  Ian Lance Taylor  <iant@google.com>
2798
2799         PR 6658
2800         * object.h (Merged_symbol_value::value): Do our best to handle a
2801         negative addend.
2802
2803         PR 6647
2804         * script.cc (Version_script_info::get_versions): Don't add empty
2805         version tag to return value.
2806         (Version_script_info::get_symbol_version_helper): Change return
2807         type to bool.  Add pversion parameter.  Change all callers.
2808         (script_register_vers_node): Don't require a non-NULL tag.
2809         * script.h (class Version_script_info): Update declarations.
2810         (Version_script_info::get_symbol_version): Change return type to
2811         bool.  Add version parameter.  Change all callers.
2812         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
2813         handling.  Handle an empty version from a version script.
2814         (Symbol_table::define_special_symbol): Likewise.
2815         * testsuite/ver_test_10.script: New file.
2816         * testsuite/ver_test_10.sh: New file.
2817         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
2818         (check_DATA): Add ver_test_10.syms.
2819         (ver_test_10.syms, ver_test_10.so): New target.
2820         * testsuite/Makefile.in: Rebuild.
2821
2822 2008-07-23  Simon Baldwin  <simonb@google.com>
2823
2824         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
2825         to zero for undefined symbols from dynamic libraries.
2826
2827 2008-07-23  Ian Lance Taylor  <iant@google.com>
2828
2829         * symtab.cc (Symbol_table::resolve): Remove version parameter.
2830         Change all callers.
2831         * symtab.h (class Symbol_table): Update declaration.
2832         * testsuite/ver_test_9.cc: New file.
2833         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
2834         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
2835         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
2836         (ver_test_9.so, ver_test_9.o): New targets.
2837         * testsuite/Makefile.in: Rebuild.
2838
2839 2008-07-22  Ian Lance Taylor  <iant@google.com>
2840
2841         * options.h (class General_options): Define --check-sections.
2842         * layout.cc (Layout::set_segment_offsets): Handle
2843         --check-sections.
2844
2845         * options.h (class General_options): Define -n/--nmagic and
2846         -N/--omagic.
2847         * options.cc (General_options::finalize): For -n/--nmagic or
2848         -N/--omagic, set -static.
2849         * layout.cc (Layout::attach_allocated_section_to_segment): If
2850         -N/--omagic, don't put read-only and read-write sections in
2851         different segments.
2852         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
2853         finding a read-only segment.
2854         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
2855         don't set the minimum segment alignment to the common page size,
2856         and don't set the file offset to the address modulo the page size.
2857         * script-sections.cc (Script_sections::create_segments): If
2858         -n/--omagic, don't put read-only and read-write sections in
2859         different segments.
2860
2861         * cref.cc: New file.
2862         * cref.h: New file.
2863         * options.h (class General_options): Add --print-symbol-counts.
2864         * main.cc (main): Issue defined symbol report if requested.
2865         * archive.cc (Archive::interpret_header): Make into a const member
2866         function.
2867         (Archive::add_symbols): Call Input_objects::archive_start and
2868         archive_stop.
2869         (Archive::const_iterator): Define new class.
2870         (Archive::begin, Archive::end): New functions.
2871         (Archive::include_all_members): Rewrite to use iterator.
2872         (Archive::count_members): New function.
2873         * archive.h (class Archive): Update declarations.
2874         (Archive::filename): New function.
2875         * object.cc: Include "cref.h".
2876         (Sized_relobj::Sized_relobj): Initialize defined_count_.
2877         (Sized_relobj::do_get_global_symbol_counts): New function.
2878         (Input_objects::add_object): Add object to cross-referencer.
2879         (Input_objects::archive_start): New function.
2880         (Input_objects::archive_stop): New function.
2881         (Input_objects::print_symbol_counts): New function.
2882         * object.h: Declare Cref and Archive.
2883         (Object::get_global_symbol_counts): New function.
2884         (Object::do_get_global_symbol_counts): New pure virtual function.
2885         (class Sized_relobj): Add defined_count_ field.  Update
2886         declarations.
2887         (class Input_objects): Add cref_ field.  Update constructor.
2888         Update declarations.
2889         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
2890         defined_count_.
2891         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
2892         symbol counts.
2893         (Sized_dynobj::do_get_global_symbol_counts): New function.
2894         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
2895         defined_count_.  Update declarations.  Define Symbols typedef.
2896         * symtab.cc (Symbol_table::add_from_relobj): Add defined
2897         parameter.  Change all callers.
2898         (Symbol_table::add_from_dynobj): Add sympointers and defined
2899         parameters.  Change all callers.
2900         * symtab.h (class Symbol_table): Update declarations.
2901         * Makefile.am (CCFILES): Add cref.cc.
2902         (HFILES): Add cref.h.
2903         * Makefile.in: Rebuild.
2904
2905 2008-07-22  Simon Baldwin  <simonb@google.com>
2906
2907         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
2908         to zero when writing undefined symbols.
2909
2910 2008-07-22  Ian Lance Taylor  <iant@google.com>
2911
2912         * output.cc (Output_section::add_input_section): Don't try to
2913         merge empty merge sections.
2914
2915 2008-07-21  Craig Silverstein  <csilvers@google.com>
2916
2917         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2918         Include symbol version in error message.
2919
2920 2008-07-20  Chris Demetriou  <cgd@google.com>
2921
2922         * configure.ac (gold_cv_c_random_seed): New configured variable.
2923         (RANDOM_SEED_CFLAGS): New substituted variable.
2924         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
2925         * configure: Rebuild.
2926         * Makefile.in: Likewise.
2927         * testsuite/Makefile.in: Likewise.
2928
2929 2008-07-18  Ian Lance Taylor  <iant@google.com>
2930
2931         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
2932         where we see NAME/NULL and NAME/VERSION  as separate symbols.
2933         * testsuite/ver_test_main.cc (main): Call t4.
2934         (t4, t4_2a): Define.
2935         * testsuite/ver_test_2.cc (t4_2): Define.
2936         * testsuite/ver_test_2.script: Put t4_2a in VER2.
2937         * testsuite/ver_test_4.cc (t4_2a): Define.
2938         * testsuite/ver_test_4.script: Put t4_2a in VER2.
2939         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
2940
2941 2008-07-17  Ian Lance Taylor  <iant@google.com>
2942
2943         * dynobj.cc (Versions::add_def): If we give an error about a
2944         missing version, go ahead and create the version anyhow.
2945
2946 2008-07-10  Ian Lance Taylor  <iant@google.com>
2947
2948         Handle output sections with more than 0x7fffffff bytes.
2949         * object.h (class Relobj): Change map_to_output_ to
2950         output_sections_, and just keep a section pointer.  Change all
2951         uses.  Move comdat group support to Sized_relobj.
2952         (Relobj::is_section_specially_mapped): Remove.
2953         (Relobj::output_section): Remove poff parameter.  Change all
2954         callers.
2955         (Relobj::output_section_offset): New function.
2956         (Relobj::set_section_offset): Rewrite.
2957         (Relobj::map_to_output): Remove.
2958         (Relobj::output_sections): New function.
2959         (Relobj::do_output_section_offset): New pure virtual function.
2960         (Relobj::do_set_section_offset): Likewise.
2961         (class Sized_relobj): Add section_offsets_ field.  Add comdat
2962         group support from Relobj.  Update declarations.
2963         (Sized_relobj::get_output_section_offset): New function.
2964         (Sized_relobj::do_output_section_offset): New function.
2965         (Sized_relobj::do_set_section_offset): New function.
2966         * object.cc (Relobj::output_section_address): Remove.
2967         (Sized_relobj::Sized_relobj): Initialize new fields.
2968         (Sized_relobj::include_section_group): Cast find_kept_object to
2969         Sized_relobj.
2970         (Sized_relobj::include_linkonce_section): Likewise.
2971         (Sized_relobj::do_layout): Use separate arrays for output section
2972         and output offset.
2973         (Sized_relobj::do_count_local_symbols): Change map_to_output to
2974         output_sections.
2975         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
2976         output_sections and section_offsets.
2977         (Sized_relobj::write_local_symbols): Likewise.
2978         (map_to_kept_section): Compute output address directly.
2979         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
2980         output_sections and section_offsets.
2981         (Sized_relobj::write_sections): Likewise.
2982         (Sized_relobj::relocate_sections): Likewise.
2983         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
2984         * output.h (class Output_reloc): Update declarations.  Change
2985         u2_.relobj to Sized_relobj*.
2986         (class Output_data_reloc): Change add functions to use
2987         Sized_relobj*.
2988         * output.cc (Output_reloc::Output_reloc): Change relobj to
2989         Sized_relobj*.
2990         (Output_reloc::local_section_offset): Change return type to
2991         Elf_Addr.  Use get_output_section_offset.
2992         (Output_reloc::get_address): Likewise.
2993         (Output_section::is_input_address_mapped): Don't call
2994         is_section_specially_mapped.
2995         (Output_section::output_offset): Likewise.
2996         (Output_section::output_address): Likewise.
2997         (Output_section::starting_output_address): Likewise.
2998         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
2999         parameter to Sized_relobj*.
3000         (Copy_relocs::need_copy_reloc): Likewise.
3001         (Copy_relocs::save): Likewise.
3002         * copy-relocs.h (class Copy_relocs): Update declarations.
3003         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3004         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
3005         * target-reloc.h (relocate_for_relocatable): Change
3006         offset_in_output_section type to Elf_Addr.  Change code that uses
3007         it as well.
3008         * layout.cc (Layout::layout): Always set *off.
3009         * mapfile.cc (Mapfile::print_input_section): Use
3010         output_section_offset.
3011         * i386.cc (Target_i386::copy_reloc): Change object parameter to
3012         Sized_relobj*.
3013         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3014         * sparc.cc (Target_sparc::copy_reloc): Likewise.
3015         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3016
3017 2008-07-03  Ian Lance Taylor  <iant@google.com>
3018
3019         * layout.cc (Layout::include_section): Do not discard unrecognized
3020         SHT_STRTAB sections.
3021
3022 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
3023
3024         * script.cc (Lex::can_continue_name): Make '?' allowable in
3025         version-script names.
3026         * testsuite/version_script.map: Change glob pattern to use '?'
3027
3028 2008-06-30  Manish Singh  <yosh@gimp.org>
3029
3030         PR 6585
3031         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3032         Correct typo.
3033
3034 2008-06-30  Ian Lance Taylor  <iant@google.com>
3035
3036         PR 6660
3037         PR 6682
3038         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
3039         versions]: Don't try to read the value in the contents, since we
3040         don't use it.  Use the template endianness when writing.
3041
3042 2008-06-25  Cary Coutant  <ccoutant@google.com>
3043
3044         * fileread.cc (File_read::make_view): Assert on zero-length view.
3045         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
3046         symbol table when there are no symbols to read.
3047
3048 2008-06-23  Craig Silverstein  <csilvers@google.com>
3049
3050         * version.cc (version_string): Bump to 1.7
3051
3052 2008-06-18  Craig Silverstein  <csilvers@google.com>
3053
3054         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
3055         constant 0xFFFF to type Valtype.
3056         (Powerpc_relocate_functions::rel16_ha): Likewise.
3057
3058 2008-06-17  Ian Lance Taylor  <iant@google.com>
3059
3060         * output.h (Output_section::Input_section): Initialize p2align_ to
3061         zero for Output_section_data constructors.
3062         (Output_section::Input_section::addralign): If not an input
3063         section, return the alignment of the Output_section_data.
3064         * testsuite/copy_test.cc: New file.
3065         * testsuite/copy_test_1.cc: New file.
3066         * testsuite/copy_test_2.cc: New file.
3067         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
3068         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
3069         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
3070         (copy_test_1_pic.o, copy_test_1.so): New targets.
3071         (copy_test_2_pic.o, copy_test_2.so): New targets.
3072         * testsuite/Makefile.in: Rebuild.
3073
3074         * script-sections.cc (Script_sections::place_orphan): Initialize
3075         local variable exact.
3076
3077 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
3078
3079         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
3080
3081 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
3082             David S. Miller  <davem@davemloft.net>
3083
3084         * powerpc.cc: New file.
3085         * Makefile.am (TARGETSOURCES): Add powerpc.cc
3086         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
3087         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
3088         * Makefile.in: Rebuild.
3089
3090 2008-06-09  Ian Lance Taylor  <iant@google.com>
3091
3092         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
3093         <exception>.
3094         (throwing, orig_terminate): New static variables.
3095         (terminate_handler): New static function.
3096         (t2): Set terminate handler.
3097
3098 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
3099
3100         PR 6584
3101         * binary.cc (Binary_to_elf::sized_convert): Fix .data
3102         alignment.
3103
3104 2008-05-30  Cary Coutant  <ccoutant@google.com>
3105
3106         * archive.cc (Archive::include_all_members) Correct to step
3107         over symbol table and extended name table in thin archives.
3108
3109 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
3110
3111         PR 6407
3112         * target-reloc.h (relocate_for_relocatable): Fix new_offset
3113         calculation.
3114
3115 2008-05-28  Caleb Howe  <cshowe@google.com>
3116
3117         * reduced_debug_output.cc: New file.
3118         * reduced_debug_output.h: New file.
3119         * options.h (class General_options): Add --strip-debug-non-line.
3120         * options.cc (General_options::finalize): Add strip_debug_non_line
3121         to the strip heirarchy.
3122         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
3123         fields.
3124         * layout.cc: Include "reduced_debug_output.h".
3125         (Layout::Layout): Initialize new fields.
3126         (line_only_debug_sections): New static array.
3127         (is_lines_only_debug_sections): New static inline function.
3128         (Layout::include_section): Handle --strip-debug-non-line.
3129         (Layout::make_output_section): If --strip-debug-non-line, build
3130         new output sections for .debug_abbrev and .debug_info.
3131         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
3132         gold.  Warn about possible overflow.
3133         (read_signed_LEB_128): Likewise.
3134         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
3135         (read_signed_LEB_128): Declare.
3136         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
3137         (HFILES): Add reduced_debug_output.h.
3138         * Makefile.in: Rebuild.
3139
3140 2008-05-21  Ian Lance Taylor  <iant@google.com>
3141
3142         * mapfile.cc: New file.
3143         * mapfile.h: New file.
3144         * options.h (class General_options): Add -M/--print-map and -Map.
3145         * options.cc (General_options::finalize): Make -M equivalent to
3146         -Map -.
3147         * main.cc: Include <cstdio> and "mapfile.h".
3148         (main): Open mapfile if requested.
3149         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
3150         constructor.  Change caller.
3151         (queue_initial_tasks): Add mapfile parameter.  Change caller.
3152         (queue_middle_tasks): Likewise.
3153         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
3154         declarations.
3155         * archive.cc: Include "mapfile.h".
3156         (Archive::add_symbols): Add mapfile parameter.  Change all
3157         callers.  Pass mapfile, symbol, and reason to include_member.
3158         (Archive::include_all_members): Add mapfile parameter.  Change all
3159         callers.
3160         (Archive::include_member): Add mapfile, sym, and why parameters.
3161         Change all callers.  Report inclusion to map file.
3162         * archive.h: Include "fileread.h".
3163         (class Archive): Update declarations.
3164         (Archive::file): New const method.
3165         (class Add_archive_symbols): Add mapfile_ field.  Update
3166         constructor.  Change all callers.
3167         * readsyms.h (class Read_symbols): Likewise.
3168         (class Finish_group): Likewise.
3169         (class Read_script): Likewise.
3170         * common.cc: Include "mapfile.h".
3171         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
3172         all callers.
3173         (Symbol_table::do_allocate_commons): Likewise.
3174         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
3175         symbol allocation to mapfile.
3176         * common.h (class Allocate_commons_task): Add mapfile_ field.
3177         Update constructor.  Change all callers.
3178         * symtab.h (class Symbol_table): Update declarations.
3179         * layout.cc: Include "mapfile.h".
3180         (Layout_task_runner::run): Print information to mapfile.
3181         (Layout::create_gold_note): Change Output_data_fixed_space to
3182         Output_data_zero_fill.
3183         (Layout::create_build_id): Likewise.
3184         (Layout::print_to_mapfile): New function.
3185         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
3186         constructor.  Change caller.
3187         (class Layout): Declare print_to_mapfile.
3188         * output.cc (Output_section::Input_section::print_to_mapfile): New
3189         function.
3190         (Output_section::add_input_section): If producing a map, always
3191         add to input_sections_ list.
3192         (Output_section::do_print_to_mapfile): New function.
3193         (Output_segment::print_sections_to_mapfile): New function.
3194         (Output_segment::print_section_list_to_mapfile): New function.
3195         * output.h: Include "mapfile.h".
3196         (Output_data::print_to_mapfile): New function.
3197         (Output_data::do_print_to_mapfile): New virtual function.
3198         (Output_segment_headers::do_print_to_mapfile): New function.
3199         (Output_file_header::do_print_to_mapfile): New function.
3200         (Output_data_const::do_print_to_mapfile): New function.
3201         (class Output_data_const_buffer): Add map_name_ field.  Update
3202         constructor.  Change all callers.  Add do_print_to_mapfile
3203         function.
3204         (class Output_data_fixed_space): Likewise.
3205         (class Output_data_space): Likewise.
3206         (class Output_data_zero_fill): New class.
3207         (Output_data_strtab::do_print_to_mapfile): New function.
3208         (Output_data_reloc_base::do_print_to_mapfile): New function.
3209         (Output_relocatable_relocs::do_print_to_mapfile): New function.
3210         (Output_data_group::do_print_to_mapfile): New function.
3211         (Output_data_got::do_print_to_mapfile): New function.
3212         (Output_data_dynamic::do_print_to_mapfile): New function.
3213         (Output_symtab_xindex::do_print_to_mapfile): New function.
3214         (class Output_section): Declare do_print_to_mapflie.  Declare
3215         print_to_mapfile in Input_section.
3216         (class Output_segment): Declare new functions.
3217         * object.h (Sized_relobj::symbol_count): New function.
3218         * script-sections.cc
3219         (Output_section_element_dot_assignment::set_section_addresses):
3220         Change Output_data_fixed_space to Output_data_zero_fill.
3221         (Output_data_expression::do_print_to_mapfile): New function.
3222         * script.cc (read_input_script): Add mapfile parameter.  Change
3223         all callers.
3224         * script.h (read_input_script): Update declaration.
3225         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
3226         (Eh_frame::do_print_to_mapfile): New function.
3227         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
3228         (Output_merge_string::do_print_to_mapfile): New function.
3229         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
3230         function.
3231         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
3232         function.
3233         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
3234         function.
3235         * Makefile.am (CCFILES): Add mapfile.cc.
3236         (HFILES): Add mapfile.h.
3237         * Makefile.in: Rebuild.
3238
3239 2008-05-19  Ian Lance Taylor  <iant@google.com>
3240
3241         * options.h (class General_options): Add -z relro.
3242         * layout.cc (Layout::Layout): Initialize relro_segment_.
3243         (Layout::add_output_section_data): Return the output section.
3244         (Layout::make_output_section): Rcognize relro sections and mark
3245         them appropriately.
3246         (Layout::attach_allocated_section_to_segment): Put relro sections
3247         in a PT_GNU_RELRO segment.
3248         (Layout::create_initial_dynamic_sections): Mark the .dynamic
3249         section as relro.
3250         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
3251         PT_TLS segments.
3252         (Layout::linkonce_mapping): Map d.rel.ro.local to
3253         .data.rel.ro.local.
3254         (Layout::output_section_name): Us .data.rel.ro.local for any
3255         section which begins with that.
3256         * layout.h (class Layout): Update add_output_section_data
3257         declaration.  Add relro_segment_ field.
3258         * output.cc (Output_section::Output_section): Initialize is_relro_
3259         and is_relro_local_ fields.
3260         (Output_segment::add_output_section): Group relro sections.
3261         (Output_segment::is_first_section_relro): New function.
3262         (Output_segment::maximum_alignment): If there is a relro section,
3263         align the segment to the common page size.
3264         (Output_segment::set_section_addresses): Track whether we are
3265         looking at relro sections.  If the last section is a relro
3266         section, align to the common page size.
3267         (Output_segment::set_section_list_addresses): Add in_relro
3268         parameter.  Change all callers.  Align to the page size when
3269         moving from relro to non-relro section.
3270         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
3271         segment.
3272         * output.h (class Output_section): Add is_relro_ and
3273         is_relro_local_ fields.
3274         (Output_section::is_relro): New function.
3275         (Output_section::set_is_relro): New function.
3276         (Output_section::is_relro_local): New function.
3277         (Output_section::set_is_relro_local): New function.
3278         (class Output_segment): Update declarations.
3279         * i386.cc (Target_i386::got_section): Mark .got section as relro.
3280         * sparc.cc (Target_sparc::got_section): Likewise.
3281         * x86_64.cc (Target_x86_64::got_section): Likewise.
3282         * testsuite/relro_test_main.cc: New file.
3283         * testsuite/relro_test.cc: New file.
3284         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
3285         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
3286         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
3287         (relro_test.so, relro_test_pic.o): New targets.
3288         * testsuite/Makefile.in: Rebuild.
3289
3290 2008-05-16  Ian Lance Taylor  <iant@google.com>
3291
3292         * output.cc (Output_segment::add_output_section): Remove front
3293         parameter.
3294         * output.h (class Output_segment): Remove
3295         add_initial_output_section and overloaded add_output_section.
3296         Update declaration of remaining add_output_section.
3297         * layout.cc (Layout::create_interp): Call add_output_section
3298         rather than add_initial_output_section.
3299         (Layout::finish_dynamic_section): Likewise.
3300
3301         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
3302         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
3303         know the dynamic type.
3304         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
3305         field.  Initialize it in constructor.
3306         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
3307         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
3308         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
3309         reloc.
3310
3311         * output.cc (Output_reloc::get_address): Change return type to
3312         Elf_Addr.
3313         * output.h (class Output_reloc): Update get_address declaration.
3314         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
3315         for section addresses.
3316
3317 2008-05-09  Ian Lance Taylor  <iant@google.com>
3318
3319         PR 6493
3320         * gold.cc (gold_nomem): Use return value of write.
3321
3322 2008-05-08  Ian Lance Taylor  <iant@google.com>
3323
3324         * symtab.c (Symbol::init_base_output_data): Add version
3325         parameter.  Change all callers.
3326         (Symbol::init_base_output_segment): Likewise.
3327         (Symbol::init_base_constant): Likewise.
3328         (Symbol::init_base_undefined): Likewise.
3329         (Sized_symbol::init_output_data): Likewise.
3330         (Sized_symbol::init_output_segment): Likewise.
3331         (Sized_symbol::init_constant): Likewise.
3332         (Sized_symbol::init_undefined): Likewise.
3333         (Symbol_table::do_define_in_output_data): If the new symbol has a
3334         version, mark it as the default.
3335         (Symbol_table::do_define_in_output_segment): Likewise.
3336         (Symbol_table::do_define_as_constant): Likewise.
3337         * symtab.h (class Symbol): Update declarations.
3338         (class Sized_symbol): Likewise.
3339         * resolve.cc (Symbol::override_version): New function.
3340         (Symbol::override_base): Call override_version.
3341         (Symbol::override_base_with_special): Likewise.
3342         * testsuite/ver_script_8.script: New file.
3343         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
3344         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
3345         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
3346         (ver_test_8_1.so, ver_test_8_2.so): New targets.
3347
3348 2008-05-06  Ian Lance Taylor  <iant@google.com>
3349
3350         PR 6049
3351         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
3352         functions.
3353         (class General_options): Remove existing --undefined, and add
3354         --no-undefined instead.  Add new --undefined as synonym for -u.
3355         * archive.cc (Archive::add_symbols): Check whether symbol was
3356         named with -u.
3357         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
3358         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
3359         all uses.  Add IS_UNDEFINED.  Update declarations to split
3360         different versions of init_base.  Declare init_base_undefined.
3361         (Symbol::is_defined): Handle IS_UNDEFINED.
3362         (Symbol::is_undefined): Likewise.
3363         (Symbol::is_weak_undefined): Call is_undefined.
3364         (Symbol::is_absolute): Handle IS_CONSTANT.
3365         (class Sized_symbol): Update declarations to split different
3366         versions of init.  Declare init_undefined.
3367         (class Symbol_table): Declare new functions.
3368         * symtab.cc (Symbol::init_base_object): Rename from init_base.
3369         Change all callers.
3370         (Symbol::init_base_output_data): Likewise.
3371         (Symbol::init_base_output_segment): Likewise.
3372         (Symbol::init_base_constant): Likewise.
3373         (Symbol::init_base_undefined): New function.
3374         (Sized_symbol::init_object): Rename from init.  Change all
3375         callers.
3376         (Sized_symbol::init_output_data): Likewise.
3377         (Sized_symbol::init_output_segment): Likewise.
3378         (Sized_symbol::init_constant): Likewise.
3379         (Sized_symbol::init_undefined): New function.
3380         (Symbol_table::add_undefined_symbols_from_command_line): New
3381         function.
3382         (Symbol_table::do_add_undefined_symbols_from_command_line): New
3383         function.
3384         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
3385         (Symbol::output_section): Likewise.
3386         (Symbol::set_output_section): Likewise.
3387         (Symbol_table::sized_finalize_symbol): Likewise.
3388         (Symbol_table::sized_write_globals): Likewise.
3389         * resolve.cc (Symbol_table::should_override): Likewise.
3390         (Symbol::override_base_with_special): Likewise.
3391
3392         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
3393         symbol, change it to have default visibility.
3394         * testsuite/protected_1.cc: New file.
3395         * testsuite/protected_2.cc: New file.
3396         * testsuite/protected_3.cc: New file.
3397         * testsuite/protected_main_1.cc: New file.
3398         * testsuite/protected_main_2.cc: New file.
3399         * testsuite/protected_main_3.cc: New file.
3400         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
3401         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
3402         (protected_1_LDFLAGS, protected_1_LDADD): Define.
3403         (protected_1.so): New target.
3404         (protected_1_pic.o, protected_2_pic.o): New targets.
3405         (protected_3_pic.o): New target.
3406         (check_PROGRAMS): Add protected_2.
3407         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
3408         (protected_2_LDFLAGS, protected_2_LDADD): Define.
3409         * testsuite/Makefile.in: Rebuild.
3410
3411         * options.h (DEFINE_var): Add set_user_set_##varname__.
3412         (DEFINE_bool_alias): New macro.
3413         (class General_options): Define -Bstatic using DEFINE_bool_alias
3414         rather than DEFINE_special.  Add --undefined as an alias for -z
3415         defs.
3416         * options.cc (General_options::parse_Bstatic): Remove.
3417
3418         * options.h (class General_options): Add --fatal-warnings.
3419         * main.cc (main): Implement --fatal-warnings.
3420         * errors.h (Errors::warning_count): New function.
3421
3422         * options.h (class General_options): Add -Bsymbolic-functions.
3423         * symtab.h (Symbol::is_preemptible): Check for
3424         -Bsymbolic-functions.
3425
3426 2008-05-05  Ian Lance Taylor  <iant@google.com>
3427
3428         * options.h (DEFINE_bool): For DASH_Z, create the negative option
3429         as noVARNAME rather than no-VARNAME.
3430         (class General_options): Add option -z combreloc.
3431         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
3432         get_address.
3433         (Output_reloc::sort_before) [SHT_REL]: New function.
3434         (Output_reloc::sort_before) [SHT_RELA]: New function.
3435         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
3436         Sort_relocs_comparison.
3437         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
3438         parameter.  Change all callers.
3439         (Output_data_reloc::Output_data_reloc) [both versions]: Add
3440         sort_relocs parameter.  Change all callers.
3441         * output.cc (Output_reloc::get_address): New function, broken out
3442         of write_rel.
3443         (Output_reloc::write_rel): Call it.
3444         (Output_reloc::compare): New function.
3445         (Output_data_reloc_base::do_write): Optionally sort relocs.
3446
3447         * configure.ac: If targ_extra_obj is set, link it in.
3448         * configure.tgt: Initialize all variables.
3449         (x86_64*): Set targ_extra_obj and targ_extra_size.
3450         * configure: Rebuild.
3451
3452         * object.cc (Sized_relobj::include_section_group): Adjust section
3453         indexes read from group data.  Build vector to pass to
3454         layout_group.
3455         * layout.cc (Layout::layout_group): Add flags and shndxes
3456         parameters.  Remove contents parameter.  Change caller.  Update
3457         explicit instantiations.
3458         * layout.h (class Layout): Update layout_group declaration.
3459         * output.cc (Output_data_group::Output_data_group): Add flags and
3460         input_shndxes parameters.  Remove contents parameter.  Change
3461         caller.
3462         (Output_data_group::do_write): Change input_sections_ to
3463         input_shndxes_.
3464         * output.h (class Output_data_group): Update constructor
3465         declaration.  Rename input_sections_ to input_shndxes_.
3466         * testsuite/many_sections_test.cc: Add template.
3467
3468 2008-04-30  Cary Coutant  <ccoutant@google.com>
3469
3470         * target-reloc.h (relocate_section): Fix dead-pointer bug.
3471
3472         * layout.cc (Layout::include_section): Refactored check for debug
3473         info section.
3474         (Layout::add_comdat): Add new parameters.  Change type
3475         of signature parameter.  Add object and shndx to signatures table.
3476         (Layout::find_kept_object): New function.
3477         * layout.h: Include <cstring>.
3478         (Layout::is_debug_info_section): New function.
3479         (Layout::add_comdat): Add new parameters.
3480         (Layout::find_kept_object): New function.
3481         (Layout::Kept_section): New struct.
3482         (Layout::Signatures): Change type of map range.
3483         * object.cc (Relobj::output_section_address): New function.
3484         (Sized_relobj::include_section_group): Add new parameters.  Change
3485         calls to Layout::add_comdat.  Change to build table of kept comdat
3486         groups and table mapping discarded sections to kept sections.
3487         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
3488         (Sized_relobj::do_layout): Change calls to include_section_group and
3489         include_linkonce_section.
3490         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
3491         value to zero when section is discarded.
3492         (Sized_relobj::map_to_kept_section): New function.
3493         * object.h (Relobj::output_section_address): New function.
3494         (Relobj::Comdat_group): New type.
3495         (Relobj::find_comdat_group): New function.
3496         (Relobj::Comdat_group_table): New type.
3497         (Relobj::Kept_comdat_section): New type.
3498         (Relobj::Kept_comdat_section_table): New type.
3499         (Relobj::add_comdat_group): New function.
3500         (Relobj::set_kept_comdat_section): New function.
3501         (Relobj::get_kept_comdat_section): New function.
3502         (Relobj::comdat_groups_): New field.
3503         (Relobj::kept_comdat_sections_): New field.
3504         (Symbol_value::input_value): Update comment.
3505         (Sized_relobj::map_to_kept_section) New function.
3506         (Sized_relobj::include_linkonce_section): Add new parameter.
3507         * target-reloc.h (Comdat_behavior): New type.
3508         (get_comdat_behavior): New function.
3509         (relocate_section): Add code to map a discarded section to the
3510         corresponding kept section when applying a relocation.
3511
3512 2008-04-30  Craig Silverstein  <csilvers@google.com>
3513
3514         * dwarf_reader.cc (next_generation_count): New static var.
3515         (Addr2line_cache_entry): New struct.
3516         (addr2line_cache): New static var.
3517         (Dwarf_line_info::one_addr2line): Added caching.
3518         (Dwarf_line_info::clear_addr2line_cache): New function.
3519         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
3520         cache-size parameter.
3521         (Dwarf_line_info::one_addr2line_cache): New function.
3522         * symtab.cc (Symbol_table::detect_odr_violations): Pass
3523         new cache-size argument to one_addr2line(), and clear cache.
3524
3525 2008-04-28  Cary Coutant  <ccoutant@google.com>
3526
3527         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
3528         R_386_PC8 relocations.
3529
3530 2008-04-23  Ian Lance Taylor  <iant@google.com>
3531
3532         * object.cc (Sized_relobj::include_section_group): Check for
3533         invalid section group.
3534
3535         * object.cc (make_elf_object): Correct test for 64-bit ELF file
3536         header size.
3537
3538         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
3539         than read for file header.
3540         * archive.cc (Archive::include_member): Likewise.
3541
3542 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
3543
3544         * aclocal.m4: Regenerate.
3545         * configure: Regenerate.
3546
3547 2008-04-19  Ian Lance Taylor  <iant@google.com>
3548
3549         * version.cc (version_string): Bump to 1.6.
3550
3551         * testsuite/Makefile.am (many_sections_r_test): New target.
3552         (many_sections_r_test_SOURCES): Remove.
3553         (many_sections_r_test_DEPENDENCIES): Remove.
3554         (many_sections_r_test_LDFLAGS): Remove.
3555         (many_sections_r_test_LDADD): Remove.
3556
3557         * object.cc (Sized_relobj::do_add_symbols): Always pass
3558         local_symbol_count_ to add_from_relobj.
3559
3560         * testsuite/Makefile.am (many_sections_check.h): Only check one in
3561         every thousand variables.
3562         * testsuite/Makefile.in: Rebuild.
3563
3564         * object.cc (Xindex::initialize_symtab_xindex): New function.
3565         (Xindex::read_symtab_xindex): New function.
3566         (Xindex::sym_xindex_to_shndx): New function.
3567         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
3568         available.
3569         (Sized_relobj::do_initialize_xindex): New function.
3570         (Sized_relobj::do_read_symbols): Adjust section links.
3571         (Sized_relobj::symbol_section_and_value): Add is_ordinary
3572         parameter.  Change all callers.
3573         (Sized_relobj::include_section_group): Adjust section links and
3574         symbol section indexes.
3575         (Sized_relobj::do_layout): Adjust section links.
3576         (Sized_relobj::do_count_local_symbols): Adjust section links and
3577         symbol section indexes.
3578         (Sized_relobj::do_finalize_local_symbols): Distinguish between
3579         ordinary and special symbols.
3580         (Sized_relobj::write_local_symbols): Add symtab_xindex and
3581         dynsym_xindex parameters.  Change all callers.  Adjust section
3582         links.  Use SHN_XINDEX when needed.
3583         (Sized_relobj::get_symbol_location_info): Adjust section links.
3584         Don't get fooled by special symbols.
3585         * object.h (class Xindex): Define.
3586         (class Object): Add xindex_ parameter.  Declare virtual functoin
3587         do_initialize_xindex.
3588         (Object::adjust_sym_shndx): New function.
3589         (Object::set_xindex): New protected function.
3590         (class Symbol_value): Add is_ordinary_shndx_ field.
3591         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
3592         (Symbol_value::value): Assert ordinary section.
3593         (Symbol_value::initialize_input_to_output_map): Likewise.
3594         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
3595         Change all callers.
3596         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
3597         all callers.
3598         (class Sized_relobj): Update declarations.
3599         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
3600         parameter.  Change all callers.
3601         (Sized_relobj::adjust_shndx): New function.
3602         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
3603         field.
3604         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
3605         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
3606         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
3607         (Sized_dynobj::read_dynsym_section): Adjust section links.
3608         (Sized_dynobj::read_dynamic): Likewise.
3609         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
3610         section links.
3611         (Sized_dynobj::do_initialize_xindex): New function.
3612         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
3613         do_initialize_xindex.
3614         (Sized_dynobj::adjust_shndx): New function.
3615         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
3616         dynsym_xindex_ fields.
3617         (Layout::finalize): Add a call to set_section_indexes before
3618         creating the symtab sections.
3619         (Layout::set_section_indexes): Don't do anything if the section
3620         already has a section index.
3621         (Layout::create_symtab_sections): Add shnum parameter.  Change
3622         caller.  Create .symtab_shndx section if needed.
3623         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
3624         caller.
3625         (Layout::allocated_output_section_count): New function.
3626         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
3627         needed.
3628         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
3629         fields.  Update declarations.
3630         (Layout::symtab_xindex): New function.
3631         (Layout::dynsym_xindex): New function.
3632         (class Write_symbols_task): Add layout_ field.
3633         (Write_symbols_task::Write_symbols_task): Add layout parameter.
3634         Change caller.
3635         * output.cc (Output_section_headers::Output_section_headers): Add
3636         shstrtab_section parameter.  Change all callers.
3637         (Output_section_headers::do_sized_write): Store overflow values
3638         for section count and section string table section index in
3639         section header zero.
3640         (Output_file_header::do_sized_write): Check for overflow of
3641         section count and section string table section index.
3642         (Output_symtab_xindex::do_write): New function.
3643         (Output_symtab_xindex::endian_do_write): New function.
3644         * output.h (class Output_section_headers): Add shstrtab_section_.
3645         Update declarations.
3646         (class Output_symtab_xindex): Define.
3647         (Output_section::has_out_shndx): New function.
3648         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
3649         field.
3650         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
3651         Change all callers.
3652         (Sized_symbol::init): Likewise.
3653         (Symbol::output_section): Check for ordinary symbol.
3654         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
3655         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
3656         callers.
3657         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
3658         Change all callers.  Simplify handling of symbols from sections
3659         not included in the link.
3660         (Symbol_table::add_from_dynobj): Handle ordinary symbol
3661         distinction.
3662         (Weak_alias_sorter::operator()): Assert that symbols are
3663         ordinary.
3664         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
3665         distinction.
3666         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
3667         parameters.  Change all callers.
3668         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
3669         symbol distinction.  Use SHN_XINDEX when needed.
3670         (Symbol_table::write_section_symbol): Add symtab_xindex
3671         parameter.  Change all callers.
3672         (Symbol_table::sized_write_section_symbol): Likewise.  Use
3673         SHN_XINDEX when needed.
3674         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
3675         declarations.
3676         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
3677         (Symbol::is_defined): Check is_ordinary.
3678         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
3679         (Symbol::is_absolute, Symbol::is_common): Likewise.
3680         (class Sized_symbol): Update declarations.
3681         (class Symbol_table): Update declarations.
3682         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
3683         parameters.  Change all callers.
3684         (Sized_symbol::override): Likewise.
3685         (Symbol_table::override): Likewise.
3686         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
3687         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
3688         is_ordinary, and orig_st_shndx parameters.  Change all callers.
3689         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
3690         to be in an ordinary section.
3691         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
3692         object and is_ordinary parameters.  Change all callers.
3693         (Sized_dwarf_line_info::read_relocs): Add object parameter.
3694         Change all callers.  Don't add undefined or non-ordinary symbols
3695         to reloc_map_.
3696         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
3697         Change all callers.
3698         * dwarf_reader.h (class Sized_dwarf_line_info): Update
3699         declarations.
3700         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
3701         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
3702         (Sized_relobj::relocate_sections): Likewise.
3703         * target-reloc.h (scan_relocs): Adjust section symbol index.
3704         (scan_relocatable_relocs): Likewise.
3705         * i386.cc (Scan::local): Check for ordinary symbols.
3706         * sparc.cc (Scan::local): Likewise.
3707         * x86_64.cc (Scan::local): Likewise.
3708         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
3709         to symbol_section_and_value.
3710         * testsuite/many_sections_test.cc: New file.
3711         * testsuite/Makefile.am (BUILT_SOURCES): Define.
3712         (check_PROGRAMS): Add many_sections_test.
3713         (many_sections_test_SOURCES): Define.
3714         (many_sections_test_DEPENDENCIES): Define.
3715         (many_sections_test_LDFLAGS): Define.
3716         (BUILT_SOURCES): Add many_sections_define.h.
3717         (many_sections_define.h): New target.
3718         (BUILT_SOURCES): Add many_sections_check.h.
3719         (many_sections_check.h): New target.
3720         (check_PROGRAMS): Add many_sections_r_test.
3721         (many_sections_r_test_SOURCES): Define.
3722         (many_sections_r_test_DEPENDENCIES): Define.
3723         (many_sections_r_test_LDFLAGS): Define.
3724         (many_sections_r_test_LDADD): Define.
3725         (many_sections_r_test.o): New target.
3726         * testsuite/Makefile.in: Rebuild.
3727
3728 2008-04-17  Cary Coutant  <ccoutant@google.com>
3729
3730         * errors.cc (Errors::info): New function.
3731         (gold_info): New function.
3732         * errors.h (Errors::info): New function.
3733         * gold.h (gold_info): New function.
3734         * object.cc (Input_objects::add_object): Print trace output.
3735         * options.cc (options::parse_set): New function.
3736         (General_options::parse_wrap): Deleted.
3737         (General_options::General_options): Deleted initializer.
3738         * options.h (options::String_set): New typedef.
3739         (options::parse_set): New function.
3740         (DEFINE_set): New macro.
3741         (General_options::wrap): Changed to use DEFINE_set. Changed
3742         callers of any_wrap_symbols and is_wrap_symbol.
3743         (General_options::trace, General_options::trace_symbol):
3744         New options.
3745         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
3746         (General_options::wrap_symbols_): Deleted.
3747         * symtab.cc (Symbol_table::add_from_object): Print trace output.
3748
3749 2008-04-17  David S. Miller  <davem@davemloft.net>
3750
3751         * options.cc (General_options::parse_V): New function.
3752         * options.h: Add entries for -V and -Qy.
3753
3754 2008-04-17  Ian Lance Taylor  <iant@google.com>
3755
3756         * common.cc (Symbol_table::allocate_commons): Remove options
3757         parameter.  Change caller.
3758         (Symbol_table::do_allocate_commons): Remove options parameter.
3759         Change caller.  Just call do_allocate_commons_list twice.
3760         (Symbol_table::do_allocate_commons_list): New function, broken out
3761         of do_allocate_commons.
3762         * common.h (class Allocate_commons_task): Remove options_ field.
3763         Update constructor.
3764         * symtab.cc (Symbol_table::Symbol_table): Initialize
3765         tls_commons_.
3766         (Symbol_table::add_from_object): Put TLS common symbols on
3767         tls_commons_ list.
3768         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
3769         which are IN_OUTPUT_DATA.
3770         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
3771         allocate_commons and do_allocate_commons declarations.  Declare
3772         do_allocate_commons_list.
3773         * gold.cc (queue_middle_tasks): Update creation of
3774         Allocate_commons_task to not pass options.
3775         * testsuite/Makefile.am (INCLUDES): Add -I.. .
3776         (TLS_TEST_C_FLAGS): New variable.
3777         (tls_test_c_pic.o): New target.
3778         (tls_test_shared.so): Link in tls_test_c_pic.o.
3779         (tls_test_c_pic_ie.o): New target.
3780         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
3781         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
3782         (tls_test_c.o): New target.
3783         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
3784         (tls_pic_test_LDADD): Likewise.
3785         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
3786         (tls_shared_gd_to_ie_test_LDADD): Likewise.
3787         (tls_test_c_gnu2.o): New target.
3788         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
3789         tls_test_c_gnu2.o.
3790         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
3791         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
3792         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
3793         * testsuite/tls_test.cc: Include "config.h".
3794         (t_last): Call t11_last.
3795         * testsuite/tls_test.h (t11, t11_last): Declare.
3796         * testsuite/tls_test_c.c: New file.
3797         * testsuite/tls_test_main.cc (thread_routine): Call t11.
3798         * configure.ac: Check for OpenMP support.
3799         * configure, config.in, Makefile.in: Rebuild.
3800         * testsuite/Makefile.in: Rebuild.
3801
3802 2008-04-16  Cary Coutant  <ccoutant@google.com>
3803
3804         * i386.cc (Target_i386::define_tls_base_symbol): New function.
3805         (Target_i386::tls_base_symbol_defined_): New field.
3806         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3807         (Target_i386::Scan::global): Likewise.
3808         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
3809         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
3810         (Target_x86_64::tls_base_symbol_defined_): New field.
3811         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
3812         (Target_x86_64::Scan::global): Likewise.
3813
3814 2008-04-16  Cary Coutant  <ccoutant@google.com>
3815
3816         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
3817         (Symbol::needs_plt_entry): Allow weak undefined symbols.
3818         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
3819         building shared libraries.
3820         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
3821         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
3822         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
3823         * testsuite/Makefile.in: Rebuild.
3824         * testsuite/weak_undef.h: New file.
3825         * testsuite/weak_undef_file1.cc: Add extra test cases.
3826         * testsuite/weak_undef_file2.cc: Likewise.
3827         * testsuite/weak_undef_test.cc: Likewise.
3828
3829 2008-04-16  David S. Miller  <davem@davemloft.net>
3830
3831         * sparc.cc (Target_sparc::Scan): Change from struct to class.
3832         Add issued_non_pic_error_ field.  Declare check_non_pic.
3833         (Target_sparc::Scan::check_non_pic): New function.
3834         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
3835         (Target_sparc::Scan::global): Likewise.
3836
3837         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
3838         * configure: Rebuild.
3839
3840         * options.h (DEFINE_enable): New macro.
3841         (new_dtags): New enable option.
3842         (initfirst, interpose, loadfltr, nodefaultlib,
3843         nodelete, nodlopen, nodump): New -z options.
3844         * layout.cc (Layout:finish_dynamic_section): If new
3845         dtags enabled, emit DT_RUNPATH.  Also, emit a
3846         DT_FLAGS_1 containing any specified -z flags.
3847
3848 2008-04-16  Ian Lance Taylor  <iant@google.com>
3849
3850         * copy-relocs.cc: New file.
3851         * copy-relocs.h: New file.
3852         * reloc.cc: Remove Copy_relocs code.
3853         * reloc.h: Likewise.
3854         * reloc-types.h (struct Reloc_types) [both versions]: Add
3855         get_reloc_addend_noerror.
3856         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
3857         variants of add_global which take an addend which must be zero.
3858         * i386.cc: Include "copy-relocs.h".
3859         (class Target_i386): Change type of copy_relocs_ to variable,
3860         update initializer.
3861         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
3862         Change all callers.
3863         (Target_i386::do_finalize_sections): Change handling of
3864         copy_relocs_.
3865         * sparc.cc: Include "copy-relocs.h".
3866         (class Target_sparc): Change type of copy_relocs_ to variable,
3867         update initializer.
3868         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
3869         Change all callers.
3870         (Target_sparc::do_finalize_sections): Change handling of
3871         copy_relocs_.
3872         * x86_64.cc: Include "copy-relocs.h".
3873         (class Target_x86_64): Change type of copy_relocs_ to variable,
3874         update initializer.
3875         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
3876         class.  Change all callers.
3877         (Target_x86_64::do_finalize_sections): Change handling of
3878         copy_relocs_.
3879         * Makefile.am (CCFILES): Add copy-relocs.cc.
3880         (HFILES): Add copy-relocs.h.
3881
3882         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
3883
3884         * testsuite/script_test_4.sh: Permit leading zeroes.
3885
3886 2008-04-15  Ian Lance Taylor  <iant@google.com>
3887
3888         * script-sections.cc (Script_sections::create_segments): Use
3889         header_size_adjustment even when there is enough room for the
3890         headers.
3891         * testsuite/script_test_4.sh: New file.
3892         * testsuite/script_test_4.t: New file.
3893         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
3894         (check_DATA): Add script_test_4.stdout.
3895         (MOSTLYCLEANFILES): Likewise.
3896         (script_test_4): New target.
3897         (script_test_4.stdout): New target.
3898         * testsuite/Makefile.in: Rebuild.
3899
3900         * sparc.cc: Add definitions for Output_data_plt_sparc class
3901         constants.
3902
3903 2008-04-14  David S. Miller  <davem@davemloft.net>
3904
3905         * sparc.cc: New file.
3906         * Makefile.am (TARGETSOURCES): Add sparc.cc
3907         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
3908         * configure.tgt: Document targ_extra_size and
3909         targ_extra_big_endian.  Add entries for sparc-* and
3910         sparc64-*.
3911         * configure.ac: Handle targ_extra_size and
3912         targ_extra_big_endian.
3913         * Makefile.in: Rebuild.
3914         * configure: Likewise.
3915         * po/POTFILES.in: Likewise.
3916         * po/gold.pot: Likewise.
3917
3918 2008-04-14  Ian Lance Taylor  <iant@google.com>
3919
3920         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
3921         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
3922         in the name/type/flags to section mapping.  Don't call
3923         allocate_output_section.
3924         (Layout::choose_output_section): Change parameter from adjust_name
3925         to is_input_section.  Don't permit input sections after sections
3926         are attached to segments.  Don't call allocate_output_section.
3927         (Layout::layout_eh_frame): Call update_flags_for_input_section,
3928         not write_enable_output_section.
3929         (Layout::make_output_section): Don't push to
3930         unattached_section_list_ nor call attach_to_segment.  Call
3931         attach_section_to_segment if sections are attached.
3932         (Layout::attach_sections_to_segments): New function.
3933         (Layout::attach_section_to_segment): New function.
3934         (Layout::attach_allocated_section_to_segment): Rename from
3935         attach_to_segment.  Remove flags parameter.
3936         (Layout::allocate_output_section): Remove function.
3937         (Layout::write_enable_output_section): Remove function.
3938         * layout.h (class Layout): Update for above changes.  Add new
3939         field sections_are_attached_.
3940         * output.h (Output_section::update_flags_for_input_section): New
3941         function.
3942         * output.cc (Output_section::add_input_section): Call
3943         update_flags_for_input_section.
3944         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
3945
3946 2008-04-11  Cary Coutant  <ccoutant@google.com>
3947
3948         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
3949         thought unnecessary.
3950         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
3951
3952 2008-04-11  Ian Lance Taylor  <iant@google.com>
3953
3954         * output.h (class Output_section_data): Remove inline definition
3955         of set_addralign.
3956         * output.cc (Output_section_data::set_addralign): New function.
3957
3958 2008-04-11  Cary Coutant  <ccoutant@google.com>
3959
3960         Add support for TLS descriptors for i386 and x86_64.
3961         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
3962         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
3963         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
3964         GOT_TYPE_TLS_DESC.
3965         (Target_i386::got_mod_index_entry): Remove unnecessary code.
3966         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
3967         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
3968         relocations.
3969         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
3970         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
3971         Fix problem with initial-exec relocations.
3972         (Target_i386::Relocate::relocate_tls): Likewise.
3973         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
3974         relaxation.
3975         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
3976         support for section-plus-offset dynamic table entries.
3977         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
3978         (Output_data_dynamic::Dynamic_entry): Add support for
3979         section-plus-offset dynamic table entries.
3980         (Output_data_dynamic::Classification): Likewise.
3981         (Output_data_dynamic::classification_): Renamed offset_.
3982         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
3983         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
3984         (Target_x86_64::make_plt_section): New function.
3985         (Target_x86_64::reserve_tlsdesc_entries): New function.
3986         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
3987         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
3988         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
3989         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
3990         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
3991         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
3992         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
3993         add extra PLT entry for TLS descriptors.
3994         (Output_data_plt_x86_64::got_): New field.
3995         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
3996         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
3997         fields.
3998         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
3999         descriptors.
4000         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4001         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4002         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4003         R_386_TLS_DESC_CALL relocations.
4004         (Target_x86_64::Scan::global): Likewise.
4005         (Target_x86_64::do_finalize_sections): Add dynamic table entries
4006         for TLS descriptors.
4007         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4008         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4009         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4010         GD-to-IE relaxation.
4011         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4012         and TLS_DESCRIPTORS.
4013         * Makefile.in: Rebuild.
4014         * configure: Rebuild.
4015         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4016         (tls_test_shared2.so): New target.
4017         (tls_shared_gd_to_ie_test_SOURCES): New variable.
4018         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4019         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4020         (tls_shared_gd_to_ie_test_LDADD): New variable.
4021         (tls_shared_gnu2_gd_to_ie_test): New target.
4022         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4023         New targets.
4024         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4025         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4026         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4027         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4028         (tls_shared_gnu2_test): New target.
4029         (tls_test_gnu2_shared.so): New target.
4030         (tls_shared_gnu2_test_SOURCES): New variable.
4031         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4032         (tls_shared_gnu2_test_LDFLAGS): New variable.
4033         (tls_shared_gnu2_test_LDADD): New variable.
4034         * testsuite/Makefile.in: Rebuild.
4035         * testsuite/Makefile.
4036
4037 2008-04-11  Ian Lance Taylor  <iant@google.com>
4038
4039         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
4040         justsyms.t.
4041         * testsuite/Makefile.in: Rebuild.
4042
4043         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
4044         long.
4045         * testsuite/script_test_2.cc (main): Adjust test.
4046
4047 2008-04-11  David S. Miller  <davem@davemloft.net>
4048             Ian Lance Taylor  <iant@google.com>
4049
4050         * options.h (General_options): Add entries for '-Y' and
4051         '-relax'.
4052         * options.cc (General_options:finalize): If -Y was used, add those
4053         entries to the library path instead of the default "/lib" and
4054         "/usr/lib".
4055
4056 2008-04-11  David S. Miller  <davem@davemloft.net>
4057
4058         * testsuite/justsyms.t: Start at 0x100.
4059         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
4060         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
4061         long.
4062         * testsuite/script_test_2.cc: Adjust string and section length
4063         checks.
4064
4065 2008-04-09  Ian Lance Taylor  <iant@google.com>
4066
4067         PR gold/5996
4068         * script-sections.cc (Sections_element::allocate_to_segment): Add
4069         orphan parameter.
4070         (Output_section_definition::allocate_to_segment): Likewise.
4071         (Orphan_output_section::allocate_to_segment): Likewise.
4072         (Script_sections::attach_sections_using_phdrs_clause): Don't
4073         propagate non-PT_LOAD segments to orphan sections.
4074         * testsuite/Makefile.am (script_test_3.stdout): Generate using
4075         readelf rather than objdump.
4076         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
4077         .interp section and PT_INTERP segment are the same size.
4078         * testsuite/Makefile.in: Rebuild.
4079
4080         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
4081         aliases for symbols defined in the same object.
4082         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
4083         (weak_alias_test_SOURCES): New variable.
4084         (weak_alias_test_DEPENDENCIES): New variable.
4085         (weak_alias_test_LDFLAGS): New variable.
4086         (weak_alias_test_LDADD): New variable.
4087         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
4088         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
4089         (weak_alias_test_3.o): New target.
4090         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
4091         * testsuite/weak_alias_test_main.cc: New file.
4092         * testsuite/weak_alias_test_1.cc: New file.
4093         * testsuite/weak_alias_test_2.cc: New file.
4094         * testsuite/weak_alias_test_3.cc: New file.
4095
4096 2008-04-08  Ian Lance Taylor  <iant@google.com>
4097
4098         * options.h (class General_options): Add --noinhibit-exec option.
4099         * main.cc (main): Check --noinhibit-exec.
4100
4101         * options.h (class General_options): Define --wrap as a special
4102         option.  Add wrap_symbols_ field.
4103         (General_options::any_wrap_symbols): New function.
4104         (General_options::is_wrap_symbol): New function.
4105         * options.cc (General_options::parse_wrap): New function.
4106         (General_options::General_options): Initialize wrap_symbols_.
4107         * symtab.cc (Symbol_table::wrap_symbol): New function.
4108         (Symbol_table::add_from_object): Handle --wrap.
4109         * symtab.h (class Symbol_table): Declare wrap_symbol.
4110         * target.h (Target::wrap_char): New function.
4111         (Target::Target_info): Add wrap_char field.
4112         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
4113         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4114         * testsuite/testfile.cc (Target_test::test_target_info):
4115         Likewise.
4116
4117         * errors.cc (Errors::undefined_symbol): Mention symbol version if
4118         there is one.
4119
4120         * layout.h (class Layout): Add added_eh_frame_data_ field.
4121         * layout.cc (Layout::Layout): Initialize new field.
4122         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
4123         output section until we find a section we merged successfully.
4124         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
4125         that the size be non-zero.
4126
4127         * merge.cc (Object_merge_map::get_output_offset): Remove inline
4128         qualifier.
4129
4130 2008-04-08  Craig Silverstein  <csilvers@google.com>
4131
4132         * configure.ac: Export new conditional variable HAVE_ZLIB.
4133         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
4134         on HAVE_ZLIB.
4135         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
4136         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4137
4138 2008-04-07  Ian Lance Taylor  <iant@google.com>
4139
4140         * version.cc (version_string): Set to "1.5".
4141
4142         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
4143         Add issued_non_pic_error_ field.  Declare check_non_pic.
4144         (Target_x86_64::Scan::check_non_pic): New function.
4145         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
4146         (Target_x86_64::Scan::global): Likewise.
4147
4148         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
4149         addend parameter.  Change caller.  Handle merge sections.
4150         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
4151         Address to Addend.  Don't add in the result of
4152         local_section_offset, pass down the addend and use the returned
4153         value.
4154         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
4155         Update declarations of local_section_offset and symbol_value.
4156         * testsuite/two_file_test_1.cc (t18): New function.
4157         * testsuite/two_file_test_2.cc (f18): New function.
4158         * testsuite/two_file_test_main.cc (main): Call t18.
4159         * testsuite/two_file_test.h (t18, f18): Declare.
4160
4161         * configure.ac: Don't test for objdump, c++filt, or readelf.
4162         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
4163         conditionals.
4164         (TEST_READELF): New variable.
4165         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
4166         (check_PROGRAMS): Add two_file_strip_test.
4167         (two_file_strip_test): New target.
4168         (check_PROGRAMS): Add two_file_same_shared_strip_test.
4169         (two_file_same_shared_strip_test_SOURCES): New variable.
4170         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
4171         (two_file_same_shared_strip_test_LDFLAGS): New variable.
4172         (two_file_same_shared_strip_test_LDADD): New variable.
4173         (two_file_shared_strip.so): New target.
4174         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
4175         (ver_test_5.syms, ver_test_7.syms): Likewise.
4176         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
4177         (strip_test_3.stdout): Use TEST_OBJDUMP.
4178         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4179
4180 2008-04-04  Cary Coutant  <ccoutant@google.com>
4181
4182         * symtab.h (Symbol::is_weak_undefined): New function.
4183         (Symbol::is_strong_undefined): New function.
4184         (Symbol::is_absolute): New function.
4185         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
4186         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
4187         absolute symbols.
4188         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
4189         (weak_undef_test): New target.
4190         * testsuite/Makefile.in: Rebuild.
4191         * testsuite/weak_undef_file1.cc: New file.
4192         * testsuite/weak_undef_file2.cc: New file.
4193         * testsuite/weak_undef_test.cc: New file.
4194
4195 2008-04-03  Craig Silverstein  <csilvers@google.com>
4196
4197         * compressed_output.h (class Output_compressed_section): Use
4198         unsigned buffer.
4199         * compressed_output.cc (zlib_compress): Use unsigned buffers,
4200         add zlib header.
4201         (zlib_compressed_suffix): Removed.
4202         (Output_compressed_section::set_final_data_size): Use unsigned
4203         buffers.
4204         * testsuite/Makefile.am (flagstest_compress_debug_sections):
4205         Fix linker invocation.
4206         (flagstest_o_specialfile_and_compress_debug_sections):
4207         Likewise.
4208         * testsuite/Makefile.in: Regenerated.
4209
4210 2008-04-02  David S. Miller  <davem@davemloft.net>
4211
4212         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
4213         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
4214
4215 2008-04-02  Craig Silverstein  <csilvers@google.com>
4216
4217         * TODO: New file.
4218
4219 2008-04-02  Ian Lance Taylor  <iant@google.com>
4220
4221         * fileread.cc (File_read::find_view): Add byteshift and vshifted
4222         parameters.  Update for new key type to views_.  Change all
4223         callers.
4224         (File_read::read): Adjust for byteshift in returned view.
4225         (File_read::add_view): New function, broken out of
4226         find_and_make_view.
4227         (File_read::make_view): New function, broken out of
4228         find_and_make_view.
4229         (File_read::find_or_make_view): Add offset and aligned
4230         parameters.  Rewrite accordingly.  Change all callers.
4231         (File_read::get_view): Add offset and aligned parameters.  Adjust
4232         for byteshift in return value.
4233         (File_read::get_lasting_view): Likewise.
4234         * fileread.h (class File_read): Update declarations.
4235         (class File_read::View): Add byteshift_ field.  Add byteshift to
4236         constructor.  Add byteshift method.
4237         * archive.h (Archive::clear_uncached_views): New function.
4238         (Archive::get_view): Add aligned parameter.  Change all callers.
4239         * object.h (Object::get_view): Add aligned parameter.  Change all
4240         callers.
4241         (Object::get_lasting_view): Likewise.
4242
4243         * fileread.cc (File_read::release): Don't call clear_views if
4244         there are multiple objects.
4245         * fileread.h (File_read::clear_uncached_views): New function.
4246         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
4247         on the archive.
4248
4249 2008-03-31  Cary Coutant  <ccoutant@google.com>
4250
4251         Add thin archive support.
4252         * archive.cc (Archive::armagt): New const.
4253         (Archive::setup): Remove task parameter and calls to unlock.
4254         (Archive::unlock_nested_archives): New function.
4255         (Archive::read_header): Add nested_off parameter. Change
4256         all callers.
4257         (Archive::interpret_header): Likewise.
4258         (Archive::include_all_members): Change to handle thin
4259         archives.
4260         (Archive::include_member): Likewise.
4261         * archive.h (Archive::Archive): Add new parameters and
4262         initializers.
4263         (Archive::armagt): New const.
4264         (Archive::setup): Remove task parameter.
4265         (Archive::unlock_nested_archives): New function.
4266         (Archive::read_header): Add nested_off parameter.
4267         (Archive::interpret_header): Likewise.
4268         (Archive::Nested_archive_table): New typedef.
4269         (Archive::is_thin_archive_): New field.
4270         (Archive::nested_archives_): New field.
4271         (Archive::options_): New field.
4272         (Archive::dirpath_): New field.
4273         (Archive::task_): New field.
4274         * readsyms.cc (Read_symbols::do_read_symbols): Add check
4275         for thin archives.  Pass additional parameters to
4276         Archive::Archive.  Unlock the archive file after calling
4277         Archive::setup.
4278
4279 2008-03-29  Ian Lance Taylor  <iant@google.com>
4280
4281         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
4282         version symbol to be local.
4283         * testsuite/ver_test_4.sh: New file.
4284         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
4285         (check_DATA): Add ver_test_4.syms.
4286         (ver_test_4.syms): New target.
4287         * testsuite/Makefile.in: Rebuild.
4288
4289         * output.cc
4290         (Output_section::Input_section_sort_entry::has_priority): New
4291         function.
4292         (Output_section::Input_section_sort_entry::match_file_name): New
4293         function.
4294         (Output_section::Input_section_sort_entry::match_section_name):
4295         Remove.
4296         (Output_section::Input_section_sort_entry::match_section_name_prefix):
4297         Remove.
4298         (Output_section::Input_section_sort_entry::match_section_file):
4299         Remove.
4300         (Output_section::Input_section_sort_compare::operator()): Rewrite
4301         using new Input_section_sort_entry functions.  Sort crtbegin and
4302         crtend first.  Sort sections with no priority before sections with
4303         a priority.
4304         * testsuite/initpri1.c (d3): Check j != 4.
4305         (cd5): New constructor/destructor function.
4306         (main): Check j != 2.
4307
4308         * symtab.cc (Symbol_table::add_from_object): If we don't use the
4309         new symbol when resolving, don't call set_is_default.
4310         * testsuite/ver_test_7.cc: New file.
4311         * testsuite/ver_test_7.sh: New file.
4312         * testsuite/Makefile.am (ver_test_7.so): New target.
4313         (ver_test_7.o): New target.
4314         (check_SCRIPTS): Add ver_test_7.sh.
4315         (check_DATA): Add ver_test_7.syms.
4316         (ver_test_7.syms): New target.
4317
4318 2008-03-28  Ian Lance Taylor  <iant@google.com>
4319
4320         * layout.cc (Layout::layout): If we see an input section with a
4321         name that needs sorting, set the must_sort flag for the output
4322         section.
4323         (Layout::make_output_section): If the name of the output section
4324         indicates that it might require sorting, set the may_sort flag.
4325         * output.h (Output_section::may_sort_attached_input_sections): New
4326         function.
4327         (Output_section::set_may_sort_attached_input_sections): New
4328         function.
4329         (Output_section::must_sort_attached_input_sections): New
4330         function.
4331         (Output_section::set_must_sort_attached_input_sections): New
4332         function.
4333         (class Output_section): Declare Input_section_sort_entry.  Define
4334         Input_section_sort_compare.  Declare
4335         sort_attached_input_sections.  Add new fields:
4336         may_sort_attached_input_sections_,
4337         must_sort_attached_input_sections_,
4338         attached_input_sections_are_sorted_.
4339         * output.cc (Output_section::Output_section): Initialize new
4340         fields.
4341         (Output_section::add_input_section): Add an entry to
4342         input_sections_ if may_sort or must_sort are true.
4343         (Output_section::set_final_data_size): Call
4344         sort_attached_input_sections if necessary.
4345         (Output_section::Input_section_sort_entry): Define new class.
4346         (Output_section::Input_section_sort_compare::operator()): New
4347         function.
4348         (Output_section::sort_attached_input_sections): New function.
4349         * configure.ac: Check whether the compiler supports constructor
4350         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
4351         * testsuite/initpri1.c: New file.
4352         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
4353         CONSTRUCTOR_PRIORITY.
4354         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
4355         (initpri1_LDFLAGS): New variable.
4356         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
4357
4358 2008-03-27  Ian Lance Taylor  <iant@google.com>
4359
4360         * common.cc (Sort_commons::operator): Correct sorting algorithm.
4361         * testsuite/common_test_1.c: New file.
4362         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
4363         (common_test_1_SOURCES): New variable.
4364         (common_test_1_DEPENDENCIES): New variable.
4365         (common_test_1_LDFLAGS): New variable.
4366
4367         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
4368         and commons_ correctly when NAME/VERSION does not override
4369         NAME/NULL.
4370         * testsuite/ver_test_6.c: New file.
4371         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
4372         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
4373         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
4374
4375 2008-03-26  Ian Lance Taylor  <iant@google.com>
4376
4377         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
4378         of an undefined symbol from a version script.
4379         * testsuite/Makefile.am (ver_test_5.so): New target.
4380         (ver_test_5.o): New target.
4381         (check_SCRIPTS): Add ver_test_5.sh.
4382         (check_DATA): Add ver_test_5.syms.
4383         (ver_test_5.syms): New target.
4384         * testsuite/ver_test_5.cc: New file.
4385         * testsuite/ver_test_5.script: New file.
4386         * testsuite/ver_test_5.sh: New file.
4387         * Makefile.in, testsuite/Makefile.in: Rebuild.
4388
4389         PR gold/5986
4390         Fix problems building gold with gcc 4.3.0.
4391         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
4392         (gold_error_at_location, gold_warning_at_location): Use it.
4393         * configure.ac: Check whether we can compile and use a template
4394         function with a printf attribute.
4395         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
4396         when jumping over bytes.
4397         * object.cc: Instantiate Object::read_section_data.
4398         * debug.h: Include <cstring>
4399         * dwarf_reader.cc: Include <algorithm>
4400         * main.cc: Include <cstring>.
4401         * options.cc: Include <cstring>.
4402         * output.cc: Include <cstring>.
4403         * script.cc: Include <cstring>.
4404         * script.h: Include <string>.
4405         * symtab.cc: Include <cstring> and <algorithm>.
4406         * target-select.cc: Include <cstring>.
4407         * version.cc: Include <string>.
4408         * testsuite/testmain.cc: Include <cstdlib>.
4409         * configure, config.in: Rebuild.
4410
4411 2008-03-25  Ian Lance Taylor  <iant@google.com>
4412
4413         * options.cc: Include "../bfd/bfdver.h".
4414         (options::help): Print bug reporting address.
4415
4416         * version.cc (print_version): Adjust output for current value of
4417         BFD_VERSION_STRING.
4418
4419         * NEWS: New file.
4420
4421         * options.cc (options::help): Print list of supported targets.
4422         * target-select.h: Include <vector>.
4423         (class Target_selector): Make machine_, size_, and is_big_endian_
4424         fields const.  Add bfd_name_ and instantiated_target_ fields.
4425         (Target_selector::Target_selector): Add bfd_name parameter.
4426         (Target_selector::recognize): Make non-virtual, call
4427         do_recognize.
4428         (Target_selector::recognize_by_name): Make non-virtual, call
4429         do_recognize_by_name.
4430         (Target_selector::supported_names): New function.
4431         (Target_selector::bfd_name): New function.
4432         (Target_selector::do_instantiate_target): New pure virtual
4433         function.
4434         (Target_selector::do_recognize): New virtual function.
4435         (Target_selector::do_recognize_by_name): New virtual function.
4436         (Target_selector::instantiate_target): New private function.
4437         (supported_target_names): Declare.
4438         * target-select.cc (Target_selector::Target_selector): Update for
4439         new parameter and fields.
4440         (select_target_by_name): Check that the name matches before
4441         calling recognize_by_name.
4442         (supported_target_names): New function.
4443         * i386.cc (class Target_selector_i386): Update Target_selector
4444         constructor call.  Remove recognize and recognize_by_name.  Add
4445         do_instantiate_target.
4446         * x86_64.cc (class Target_selector_x86_64): Likewise.
4447         * testsuite/testfile.cc (class Target_selector_test): Update for
4448         changes to Target_selector.
4449
4450         * README: Rewrite, with some notes on unsupported features.
4451
4452 2008-03-24  Cary Coutant  <ccoutant@google.com>
4453
4454         * i386.cc (Target_i386::Got_type): New enum declaration.
4455         (Target_i386::Scan::local): Updated callers of Output_data_got
4456         member functions.
4457         (Target_i386::Scan::global): Likewise.
4458         (Target_i386::Relocate::relocate): Likewise.
4459         (Target_i386::Relocate::relocate_tls): Likewise.
4460         * object.h (Got_offset_list): New class.
4461         (Sized_relobj::local_has_got_offset): Added got_type parameter.
4462         (Sized_relobj::local_got_offset): Likewise.
4463         (Sized_relobj::set_local_got_offset): Likewise.
4464         (Sized_relobj::local_has_tls_got_offset): Removed.
4465         (Sized_relobj::local_tls_got_offset): Removed.
4466         (Sized_relobj::set_local_tls_got_offset): Removed.
4467         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
4468         * output.cc (Output_data_got::add_global): Added got_type parameter.
4469         (Output_data_got::add_global_with_rel): Likewise.
4470         (Output_data_got::add_global_with_rela): Likewise.
4471         (Output_data_got::add_global_pair_with_rel): New function.
4472         (Output_data_got::add_global_pair_with_rela): New function.
4473         (Output_data_got::add_local): Added got_type parameter.
4474         (Output_data_got::add_local_with_rel): Likewise.
4475         (Output_data_got::add_local_with_rela): Likewise.
4476         (Output_data_got::add_local_pair_with_rel): New function.
4477         (Output_data_got::add_local_pair_with_rela): New function.
4478         (Output_data_got::add_global_tls): Removed.
4479         (Output_data_got::add_global_tls_with_rel): Removed.
4480         (Output_data_got::add_global_tls_with_rela): Removed.
4481         (Output_data_got::add_local_tls): Removed.
4482         (Output_data_got::add_local_tls_with_rel): Removed.
4483         (Output_data_got::add_local_tls_with_rela): Removed.
4484         * output.h (Output_data_got::add_global): Added got_type parameter.
4485         (Output_data_got::add_global_with_rel): Likewise.
4486         (Output_data_got::add_global_with_rela): Likewise.
4487         (Output_data_got::add_global_pair_with_rel): New function.
4488         (Output_data_got::add_global_pair_with_rela): New function.
4489         (Output_data_got::add_local): Added got_type parameter.
4490         (Output_data_got::add_local_with_rel): Likewise.
4491         (Output_data_got::add_local_with_rela): Likewise.
4492         (Output_data_got::add_local_pair_with_rel): New function.
4493         (Output_data_got::add_local_pair_with_rela): New function.
4494         (Output_data_got::add_global_tls): Removed.
4495         (Output_data_got::add_global_tls_with_rel): Removed.
4496         (Output_data_got::add_global_tls_with_rela): Removed.
4497         (Output_data_got::add_local_tls): Removed.
4498         (Output_data_got::add_local_tls_with_rel): Removed.
4499         (Output_data_got::add_local_tls_with_rela): Removed.
4500         * resolve.cc (Symbol::override_base_with_special): Removed
4501         reference to has_got_offset_ field.
4502         * symtab.cc (Symbol::init_fields): Replaced initialization
4503         of got_offset_ with got_offsets_.  Removed initialization
4504         of has_got_offset_
4505         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
4506         (Symbol::got_offset): Likewise.
4507         (Symbol::set_got_offset): Likewise.
4508         (Symbol::has_tls_got_offset): Removed.
4509         (Symbol::tls_got_offset): Removed.
4510         (Symbol::set_tls_got_offset): Removed.
4511         (Symbol::got_offset_): Removed.
4512         (Symbol::tls_mod_got_offset_): Removed.
4513         (Symbol::tls_pair_got_offset_): Removed.
4514         (Symbol::got_offsets_): New field.
4515         (Symbol::has_got_offset): Removed.
4516         (Symbol::has_tls_mod_got_offset): Removed.
4517         (Symbol::has_tls_pair_got_offset): Removed.
4518         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
4519         (Target_x86_64::Scan::local): Updated callers of Output_data_got
4520         member functions.
4521         (Target_x86_64::Scan::global): Likewise.
4522         (Target_x86_64::Relocate::relocate): Likewise.
4523         (Target_x86_64::Relocate::relocate_tls): Likewise.
4524
4525 2008-03-25  Ben Elliston  <bje@au.ibm.com>
4526
4527         * yyscript.y: Fix spelling error in comment.
4528
4529 2008-03-24  Ian Lance Taylor  <iant@google.com>
4530
4531         * options.h (class General_options): Define build_id option.
4532         * layout.h (class Layout): Declare write_build_id, create_note,
4533         create_build_id.  Add build_id_note_ member.
4534         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
4535         "libiberty.h", "md5.h", "sha1.h".
4536         (Layout::Layout): Initialize eh_frame_data_,
4537         eh_frame_hdr_section_, and build_id_note_.
4538         (Layout::finalize): Call create_build_id.
4539         (Layout::create_note): New function, broken out of
4540         Layout::create_gold_note.
4541         (Layout::create_gold_note): Call create_note.
4542         (Layout::create_build_id): New function.
4543         (Layout::write_build_id): New function.
4544         (Close_task_runner::run): Call write_build_id.
4545
4546         * x86_64.cc: Correct license to GPLv3.
4547
4548 2008-03-23  Ian Lance Taylor  <iant@google.com>
4549
4550         * options.cc: Include "demangle.h".
4551         (parse_optional_string): New function.
4552         (parse_long_option): Handle takes_optional_argument.
4553         (parse_short_option): Update dash_z initializer.  Handle
4554         takes_optional_argument.
4555         (General_options::General_options): Initialize do_demangle_.
4556         (General_options::finalize): Set do_demangle_.  Handle demangling
4557         style.
4558         * options.h (parse_optional_string): Declare.
4559         (struct One_option): Add optional_arg field.  Update constructor.
4560         Update call constructor calls.  Add takes_optional_argument
4561         function.
4562         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
4563         (DEFINE_optional_string): Define.
4564         (General_options::demangle): Change from DEFINE_bool to
4565         DEFINE_optional_string.
4566         (General_options::no_demangle): New function.
4567         (General_options::do_demangle): New function.
4568         (General_options::set_do_demangle): New function.
4569         (General_options::execstack_status_): Move definition to end of
4570         class definition.
4571         (General_options::static_): Likewise.
4572         (General_options::do_demangle_): New field.
4573         * object.cc (big_endian>::get_symbol_location_info): Call
4574         Options::do_demangle, not Options::demangle.
4575         * symtab.cc (demangle): Likewise.
4576
4577 2008-03-22  Ian Lance Taylor  <iant@google.com>
4578
4579         * gold.h: Include <cstddef> and <sys/types.h>
4580         * options.h: Include <cstring>.
4581
4582 2008-03-21  Ian Lance Taylor  <iant@google.com>
4583
4584         * Added source code to GNU binutils.