gold/ChangeLog

   1 2011-04-17  Ian Lance Taylor  <iant@google.com>
   2
   3         * object.cc (Relocate_info::location): Simplify location string.
   4         * errors.cc (Errors::error_at_location): Don't print program
   5         name.
   6         (Errors::warning_at_location): Likewise.
   7         (Errors::undefined_symbol): Likewise.
   8         * testsuite/debug_msg.sh: Update accordingly.
   9
  10 2011-04-14 Cary Coutant  <ccoutant@google.com>
  11
  12         * gold/layout.cc (Layout::symtab_section_offset): New function.
  13         * gold/layout.h (Layout::symtab_section_offset): New function.
  14         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
  15
  16 2011-04-12  Ian Lance Taylor  <iant@google.com>
  17
  18         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
  19         with MREMAP_MAYMOVE.
  20         * output.h (class Output_file): Add map_is_allocated_ field.
  21         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
  22         not available, provide stubs.  If mremap is not available, #define
  23         it to gold_mremap.
  24         (MREMAP_MAYMOVE): Define if not defined.
  25         (Output_file::Output_file): Initialize map_is_allocated_.
  26         (Output_file::resize): Check map_is_allocated_.
  27         (Output_file::map_anonymous): If mmap fails, use malloc.
  28         (Output_file::unmap): Don't do anything for an anonymous map.
  29         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
  30         is not available, provide stubs.
  31         (File_read::View::~View): Use free rather than delete[].
  32         (File_read::make_view): Use malloc rather than new[].  If mmap
  33         fails, use malloc.
  34         (File_read::find_or_make_view): Use malloc rather than new[].
  35         * gold.h: Remove HAVE_REMAP code.
  36         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
  37         exists.  Rename mremap to gold_mremap.  If mmap is not available
  38         don't do anything.
  39         * configure, config.in: Rebuild.
  40
  41 2011-04-11  Ian Lance Taylor  <iant@google.com>
  42
  43         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
  44         initialize local variable v.
  45
  46 2011-04-11  Cary Coutant  <ccoutant@google.com>
  47
  48         * archive.cc (Archive::include_member): Adjust call to
  49         report_object.
  50         (Add_archive_symbols::run): Track argument serial numbers.
  51         (Lib_group::include_member): Likewise.
  52         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
  53         * archive.h (Incremental_archive_entry::Archive_member):
  54         Initialize arg_serial_.
  55         (Archive_member::arg_serial_): New data member.
  56         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
  57         (Sized_dynobj::do_add_symbols): Track symbols when doing an
  58         incremental link.
  59         (Sized_dynobj::do_for_all_local_got_entries): New function.
  60         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
  61         function.
  62         * fileread.cc (get_mtime): New function.
  63         * fileread.h (get_mtime): New function.
  64         * gold.cc (queue_initial_tasks): Check for incremental update.
  65         (process_incremental_input): New function.
  66         (queue_middle_tasks): Don't force valid target for incremental
  67         update.
  68         * incremental-dump.cc (find_input_containing_global): Adjust
  69         size of symbol info entry.
  70         (dump_incremental_inputs): Dump argument serial number and
  71         in_system_directory flag; bias shndx by 1; print symbol names
  72         when dumping per-file symbol lists; use new symbol info readers.
  73         * incremental.cc
  74         (Output_section_incremental_inputs:update_data_size): New function.
  75         (Sized_incremental_binary::setup_readers): Setup input readers
  76         for each input file; build maps for files added from libraries
  77         and scripts.
  78         (Sized_incremental_binary::check_input_args): New function.
  79         (Sized_incremental_binary::do_check_inputs): Build map of argument
  80         serial numbers to input arguments.
  81         (Sized_incremental_binary::do_file_has_changed): Rename
  82         do_file_is_unchanged to this; compare file modification times.
  83         (Sized_incremental_binary::do_init_layout): New function.
  84         (Sized_incremental_binary::do_reserve_layout): New function.
  85         (Sized_incremental_binary::do_get_input_reader): Remove.
  86         (Sized_incremental_binary::get_symtab_view): New function.
  87         (Incremental_checker::can_incrementally_link_output_file): Remove.
  88         (Incremental_inputs::report_command_line): Exclude --debug options.
  89         (Incremental_inputs::report_archive_begin): Add parameter; track
  90         argument serial numbers; don't put input file entry for archive
  91         before archive members.
  92         (Incremental_inputs::report_archive_end): Put input file entry
  93         for archive after archive members.
  94         (Incremental_inputs::report_object): Add parameter; track argument
  95         serial numbers and in_system_directory flag.
  96         (Incremental_inputs::report_script): Add parameter; track argument
  97         serial numbers.
  98         (Output_section_incremental_inputs::set_final_data_size): Adjust
  99         size of symbol info entry; check for forwarding symbols.
 100         (Output_section_incremental_inputs::write_input_files): Write
 101         in_system_directory flag and argument serial number.
 102         (Output_section_incremental_inputs::write_info_blocks): Map section
 103         indices between incremental info and original input file; store
 104         input section index for each symbol.
 105         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
 106         change operator() to visit().
 107         (class Global_got_offset_visitor): Likewise.
 108         (class Global_symbol_visitor_got_plt):
 109         (Output_section_incremental_inputs::write_got_plt): Use new visitor
 110         classes.
 111         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
 112         (Sized_incr_relobj::do_read_symbols): New function.
 113         (Sized_incr_relobj::do_layout): New function.
 114         (Sized_incr_relobj::do_layout_deferred_sections): New function.
 115         (Sized_incr_relobj::do_add_symbols): New function.
 116         (Sized_incr_relobj::do_should_include_member): New function.
 117         (Sized_incr_relobj::do_for_all_global_symbols): New function.
 118         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
 119         (Sized_incr_relobj::do_section_size): New function.
 120         (Sized_incr_relobj::do_section_name): New function.
 121         (Sized_incr_relobj::do_section_contents): New function.
 122         (Sized_incr_relobj::do_section_flags): New function.
 123         (Sized_incr_relobj::do_section_entsize): New function.
 124         (Sized_incr_relobj::do_section_address): New function.
 125         (Sized_incr_relobj::do_section_type): New function.
 126         (Sized_incr_relobj::do_section_link): New function.
 127         (Sized_incr_relobj::do_section_info): New function.
 128         (Sized_incr_relobj::do_section_addralign): New function.
 129         (Sized_incr_relobj::do_initialize_xindex): New function.
 130         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
 131         (Sized_incr_relobj::do_read_relocs): New function.
 132         (Sized_incr_relobj::do_gc_process_relocs): New function.
 133         (Sized_incr_relobj::do_scan_relocs): New function.
 134         (Sized_incr_relobj::do_count_local_symbols): New function.
 135         (Sized_incr_relobj::do_finalize_local_symbols): New function.
 136         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
 137         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
 138         (Sized_incr_relobj::do_relocate): New function.
 139         (Sized_incr_relobj::do_set_section_offset): New function.
 140         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
 141         (Sized_incr_dynobj::do_read_symbols): New function.
 142         (Sized_incr_dynobj::do_layout): New function.
 143         (Sized_incr_dynobj::do_add_symbols): New function.
 144         (Sized_incr_dynobj::do_should_include_member): New function.
 145         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
 146         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
 147         (Sized_incr_dynobj::do_section_size): New function.
 148         (Sized_incr_dynobj::do_section_name): New function.
 149         (Sized_incr_dynobj::do_section_contents): New function.
 150         (Sized_incr_dynobj::do_section_flags): New function.
 151         (Sized_incr_dynobj::do_section_entsize): New function.
 152         (Sized_incr_dynobj::do_section_address): New function.
 153         (Sized_incr_dynobj::do_section_type): New function.
 154         (Sized_incr_dynobj::do_section_link): New function.
 155         (Sized_incr_dynobj::do_section_info): New function.
 156         (Sized_incr_dynobj::do_section_addralign): New function.
 157         (Sized_incr_dynobj::do_initialize_xindex): New function.
 158         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
 159         (make_sized_incremental_object): New function.
 160         (Incremental_library::copy_unused_symbols): New function.
 161         (Incremental_library::do_for_all_unused_symbols): New function.
 162         * incremental.h (enum Incremental_input_flags): New type.
 163         (class Incremental_checker): Remove.
 164         (Incremental_input_entry::Incremental_input_entry): Add argument
 165         serial number.
 166         (Incremental_input_entry::arg_serial): New function.
 167         (Incremental_input_entry::set_is_in_system_directory): New function.
 168         (Incremental_input_entry::is_in_system_directory): New function.
 169         (Incremental_input_entry::arg_serial_): New data member.
 170         (Incremental_input_entry::is_in_system_directory_): New data member.
 171         (class Script_info): Move here from script.h.
 172         (Script_info::Script_info): Add filename parameter.
 173         (Script_info::filename): New function.
 174         (Script_info::filename_): New data member.
 175         (Incremental_script_entry::Incremental_script_entry): Add argument
 176         serial number.
 177         (Incremental_object_entry::Incremental_object_entry): Likewise.
 178         (Incremental_object_entry::add_input_section): Build list of input
 179         sections with map to original shndx.
 180         (Incremental_object_entry::get_input_section_index): New function.
 181         (Incremental_object_entry::shndx_): New data member.
 182         (Incremental_object_entry::name_key_): Rename; adjust all refs.
 183         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
 184         (Incremental_archive_entry::Incremental_archive_entry): Add argument
 185         serial number.
 186         (Incremental_inputs::report_archive_begin): Likewise.
 187         (Incremental_inputs::report_object): Likewise.
 188         (Incremental_inputs::report_script): Likewise.
 189         (class Incremental_global_symbol_reader): New class.
 190         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
 191         and store flags and input file type.
 192         (Incremental_input_entry_reader::arg_serial): New function.
 193         (Incremental_input_entry_reader::type): Extract type from flags.
 194         (Incremental_input_entry_reader::is_in_system_directory): New function.
 195         (Incremental_input_entry_reader::get_input_section_count): Call
 196         accessor function for type.
 197         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
 198         function for type; adjust size of global symbol entry.
 199         (Incremental_input_entry_reader::get_global_symbol_count): Call
 200         accessor function for type.
 201         (Incremental_input_entry_reader::get_object_count): Likewise.
 202         (Incremental_input_entry_reader::get_object_offset): Likewise.
 203         (Incremental_input_entry_reader::get_member_count): Likewise.
 204         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
 205         (Incremental_input_entry_reader::get_member_offset): Likewise.
 206         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
 207         (Incremental_input_entry_reader::Global_symbol_info): Remove.
 208         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
 209         (Incremental_input_entry_reader::get_global_symbol_reader): New
 210         function.
 211         (Incremental_input_entry_reader::get_output_symbol_index): New
 212         function.
 213         (Incremental_input_entry_reader::type_): Remove.
 214         (Incremental_input_entry_reader::flags_): New data member.
 215         (Incremental_inputs_reader::input_file_offset): New function.
 216         (Incremental_inputs_reader::input_file_index): New function.
 217         (Incremental_inputs_reader::input_file): Call input_file_offset.
 218         (Incremental_inputs_reader::input_file_at_offset): New function.
 219         (Incremental_relocs_reader::get_r_type): Reformat.
 220         (Incremental_relocs_reader::get_r_shndx): Reformat.
 221         (Incremental_relocs_reader::get_r_offset): Reformat.
 222         (Incremental_relocs_reader::data): New function.
 223         (Incremental_binary::Incremental_binary): Initialize new data members.
 224         (Incremental_binary::check_inputs): Add cmdline parameter.
 225         (Incremental_binary::file_is_unchanged): Remove.
 226         (Input_reader::arg_serial): New function.
 227         (Input_reader::get_unused_symbol_count): New function.
 228         (Input_reader::get_unused_symbol): New function.
 229         (Input_reader::do_arg_serial): New function.
 230         (Input_reader::do_get_unused_symbol_count): New function.
 231         (Input_reader::do_get_unused_symbol): New function.
 232         (Incremental_binary::input_file_count): New function.
 233         (Incremental_binary::get_input_reader): Change signature to use
 234         index instead of filename.
 235         (Incremental_binary::file_has_changed): New function.
 236         (Incremental_binary::get_input_argument): New function.
 237         (Incremental_binary::get_library): New function.
 238         (Incremental_binary::get_script_info): New function.
 239         (Incremental_binary::init_layout): New function.
 240         (Incremental_binary::reserve_layout): New function.
 241         (Incremental_binary::output_file): New function.
 242         (Incremental_binary::do_check_inputs): New function.
 243         (Incremental_binary::do_file_is_unchanged): Remove.
 244         (Incremental_binary::do_file_has_changed): New function.
 245         (Incremental_binary::do_init_layout): New function.
 246         (Incremental_binary::do_reserve_layout): New function.
 247         (Incremental_binary::do_input_file_count): New function.
 248         (Incremental_binary::do_get_input_reader): Change signature.
 249         (Incremental_binary::input_args_map_): New data member.
 250         (Incremental_binary::library_map_): New data member.
 251         (Incremental_binary::script_map_): New data member.
 252         (Sized_incremental_binary::Sized_incremental_binary): Initialize
 253         new data members.
 254         (Sized_incremental_binary::output_section): New function.
 255         (Sized_incremental_binary::inputs_reader): Add const.
 256         (Sized_incremental_binary::symtab_reader): Add const.
 257         (Sized_incremental_binary::relocs_reader): Add const.
 258         (Sized_incremental_binary::got_plt_reader): Add const.
 259         (Sized_incremental_binary::get_symtab_view): New function.
 260         (Sized_incremental_binary::Inputs_reader): New typedef.
 261         (Sized_incremental_binary::Input_entry_reader): New typedef.
 262         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
 263         (Sized_incremental_binary::do_file_is_unchanged): Remove.
 264         (Sized_incremental_binary::do_file_has_changed): New function.
 265         (Sized_incremental_binary::do_init_layout): New function.
 266         (Sized_incremental_binary::do_reserve_layout): New function.
 267         (Sized_input_reader::Inputs_reader): Remove.
 268         (Sized_input_reader::Input_entry_reader): Remove.
 269         (Sized_input_reader::do_arg_serial): New function.
 270         (Sized_input_reader::do_get_unused_symbol_count): New function.
 271         (Sized_input_reader::do_get_unused_symbol): New function.
 272         (Sized_incremental_binary::do_input_file_count): New function.
 273         (Sized_incremental_binary::do_get_input_reader): Change signature;
 274         use index instead of filename.
 275         (Sized_incremental_binary::section_map_): New data member.
 276         (Sized_incremental_binary::input_entry_readers_): New data member.
 277         (class Sized_incr_relobj): New class.
 278         (class Sized_incr_dynobj): New class.
 279         (make_sized_incremental_object): New function.
 280         (class Incremental_library): New class.
 281         * layout.cc (Free_list::num_lists): New static data member.
 282         (Free_list::num_nodes): New static data member.
 283         (Free_list::num_removes): New static data member.
 284         (Free_list::num_remove_visits): New static data member.
 285         (Free_list::num_allocates): New static data member.
 286         (Free_list::num_allocate_visits): New static data member.
 287         (Free_list::init): New function.
 288         (Free_list::remove): New function.
 289         (Free_list::allocate): New function.
 290         (Free_list::dump): New function.
 291         (Free_list::print_stats): New function.
 292         (Layout_task_runner::run): Resize output file for incremental updates.
 293         (Layout::Layout): Initialize new data members.
 294         (Layout::set_incremental_base): New function.
 295         (Layout::init_fixed_output_section): New function.
 296         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
 297         incremental updates.
 298         (Layout::create_gold_note): Do not create gold note section for
 299         incremental updates.
 300         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
 301         for incremental updates.
 302         (Layout::set_section_offsets): For incremental updates, allocate space
 303         from free list.
 304         (Layout::create_symtab_sections): Layout with offsets relative to
 305         start of section; for incremental updates, allocate space from free
 306         list.
 307         (Layout::create_shdrs): For incremental updates, allocate space from
 308         free list.
 309         (Layout::finish_dynamic_section): For incremental updates, do not
 310         check --as-needed (fixed in subsequent patch).
 311         * layout.h (class Free_list): New class.
 312         (Layout::set_incremental_base): New function.
 313         (Layout::incremental_base): New function.
 314         (Layout::init_fixed_output_section): New function.
 315         (Layout::allocate): New function.
 316         (Layout::incremental_base_): New data member.
 317         (Layout::free_list_): New data member.
 318         * main.cc (main): Print Free_list statistics.
 319         * object.cc (Relobj::finalize_incremental_relocs): Add
 320         clear_counts parameter; clear counts only when clear_counts is set.
 321         (Sized_relobj::Sized_relobj): Initialize new base class.
 322         (Sized_relobj::do_layout): Don't report special sections.
 323         (Sized_relobj::do_for_all_local_got_entries): New function.
 324         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
 325         symtab_off to all symbol table offsets.
 326         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
 327         * object.h (class Got_offset_list): Move to top of file.
 328         (Object::Object): Allow case where input_file == NULL.
 329         (Object::~Object): Likewise.
 330         (Object::input_file): Assert that input_file != NULL.
 331         (Object::lock): Allow case where input_file == NULL.
 332         (Object::unlock): Likewise.
 333         (Object::is_locked): Likewise.
 334         (Object::token): Likewise.
 335         (Object::release): Likewise.
 336         (Object::is_incremental): New function.
 337         (Object::get_mtime): New function.
 338         (Object::for_all_local_got_entries): New function.
 339         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
 340         (Object::set_is_in_system_directory): New function.
 341         (Object::is_in_system_directory): New function.
 342         (Object::do_is_incremental): New function.
 343         (Object::do_get_mtime): New function.
 344         (Object::do_for_all_local_got_entries): New function.
 345         (Object::is_in_system_directory_): New data member.
 346         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
 347         (class Sized_relobj_base): New class.
 348         (class Sized_relobj): Derive from Sized_relobj_base.
 349         (class Sized_relobj::Symbols): Redeclare from base class.
 350         (class Sized_relobj::local_got_offset_list): Remove.
 351         (class Sized_relobj::Output_sections): Redeclare from base class.
 352         (class Sized_relobj::do_for_all_local_got_entries): New function.
 353         (class Sized_relobj::write_local_symbols): Add offset parameter.
 354         (class Sized_relobj::local_symbol_offset_): Update comment.
 355         (class Sized_relobj::local_dynsym_offset_): Update comment.
 356         * options.cc (Input_arguments::add_file): Remove const.
 357         * options.h (Input_file_argument::Input_file_argument):
 358         Initialize arg_serial_ (all constructors).
 359         (Input_file_argument::set_arg_serial): New function.
 360         (Input_file_argument::arg_serial): New function.
 361         (Input_file_argument::arg_serial_): New data member.
 362         (Input_arguments::Input_arguments): Initialize file_count_.
 363         (Input_arguments::add_file): Remove const.
 364         (Input_arguments::number_of_input_files): New function.
 365         (Input_arguments::file_count_): New data member.
 366         (Command_line::number_of_input_files): Call
 367         Input_arguments::number_of_input_files.
 368         * output.cc (Output_segment_headers::Output_segment_headers):
 369         Set current size.
 370         (Output_section::Input_section::current_data_size): New function.
 371         (Output_section::Output_section): Initialize new data members.
 372         (Output_section::add_input_section): Don't do merge sections for
 373         an incremental link; allocate space from free list for an
 374         incremental update.
 375         (Output_section::add_output_section_data): Allocate space from
 376         free list for an incremental update.
 377         (Output_section::update_data_size): New function.
 378         (Output_section::set_fixed_layout): New function.
 379         (Output_section::reserve): New function.
 380         (Output_segment::set_section_addresses): Remove const.
 381         (Output_segment::set_section_list_addresses): Remove const; allocate
 382         space from free list for an incremental update.
 383         (Output_segment::set_offset): Adjust size of RELRO segment for an
 384         incremental update.
 385         * output.h (Output_data::current_data_size): Move here from
 386         child classes.
 387         (Output_data::pre_finalize_data_size): New function.
 388         (Output_data::update_data_size): New function.
 389         (Output_section_headers::update_data_size): new function.
 390         (Output_section_data_build::current_data_size): Move to Output_data.
 391         (Output_data_strtab::update_data_size): New function.
 392         (Output_section::current_data_size): Move to Output_data.
 393         (Output_section::set_fixed_layout): New function.
 394         (Output_section::has_fixed_layout): New function.
 395         (Output_section::reserve): New function.
 396         (Output_section::update_data_size): New function.
 397         (Output_section::has_fixed_layout_): New data member.
 398         (Output_section::free_list_): New data member.
 399         (Output_segment::set_section_addresses): Remove const.
 400         (Output_segment::set_section_list_addresses): Remove const.
 401         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
 402         New function.
 403         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
 404         New function.
 405         * readsyms.cc (Read_symbols::do_read_symbols): Add library
 406         parameter when calling Add_symbols constructor; store argument
 407         serial number for members of a lib group.
 408         (Add_symbols::locks): Allow case where token == NULL.
 409         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
 410         (Read_member::~Read_member): New function.
 411         (Read_member::is_runnable): New function.
 412         (Read_member::locks): New function.
 413         (Read_member::run): New function.
 414         (Check_script::~Check_script): New function.
 415         (Check_script::is_runnable): New function.
 416         (Check_script::locks): New function.
 417         (Check_script::run): New function.
 418         (Check_library::~Check_library): New function.
 419         (Check_library::is_runnable): New function.
 420         (Check_library::locks): New function.
 421         (Check_library::run): New function.
 422         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
 423         (Add_symbols::library_): New data member.
 424         (class Read_member): New class.
 425         (class Check_script): New class.
 426         (class Check_library): New class.
 427         * reloc.cc (Read_relocs::is_runnable): Allow case where
 428         token == NULL.
 429         (Read_relocs::locks): Likewise.
 430         (Scan_relocs::locks): Likewise.
 431         (Relocate_task::locks): Likewise.
 432         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
 433         to clear counters.
 434         (Sized_relobj::incremental_relocs_scan): Fix comment.
 435         (Sized_relobj::do_relocate): Pass output file offset to
 436         write_local_symbols.
 437         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
 438         from class declaration.
 439         * script.cc (read_input_script): Allocate Script_info; pass
 440         argument serial number to report_script.
 441         * script.h (class Script_info): Move to incremental.h.
 442         * symtab.cc (Symbol_table::add_from_incrobj): New function.
 443         * symtab.h (Symbol_table::add_from_incrobj): New function.
 444         (Symbol_table::set_file_offset): New function.
 445
 446 2011-04-05  Cary Coutant  <ccoutant@google.com>
 447
 448         * incremental-dump.cc (dump_incremental_inputs): Change signature
 449         to take a Sized_incremental_binary; change caller.  Use readers
 450         in Sized_incremental_binary.
 451         * incremental.cc
 452         (Sized_incremental_binary::find_incremental_inputs_sections):
 453         Rename do_find_incremental_inputs_sections to this.
 454         (Sized_incremental_binary::setup_readers): New function.
 455         (Sized_incremental_binary::do_check_inputs): Check
 456         has_incremental_info_ flag; move setup code to setup_readers;
 457         use input readers.
 458         (Sized_incremental_binary::do_file_is_unchanged): New function.
 459         (Sized_incremental_binary::do_get_input_reader): New function.
 460         * incremental.h (class Incremental_binary): Move to end of file.
 461         (Incremental_binary::file_is_unchanged): New function.
 462         (Incremental_binary::do_file_is_unchanged): New function.
 463         (Incremental_binary::Input_reader): New class.
 464         (Incremental_binary::get_input_reader): New function.
 465         (class Sized_incremental_binary): Move to end of file.
 466         (Sized_incremental_binary::Sized_incremental_binary): Setup the
 467         input section reader classes.
 468         (Sized_incremental_binary::has_incremental_info): New function.
 469         (Sized_incremental_binary::inputs_reader): New function.
 470         (Sized_incremental_binary::symtab_reader): New function.
 471         (Sized_incremental_binary::relocs_reader): New function.
 472         (Sized_incremental_binary::got_plt_reader): New function.
 473         (Sized_incremental_binary::do_file_is_unchanged): New function.
 474         (Sized_incremental_binary::Sized_input_reader): New class.
 475         (Sized_incremental_binary::get_input_reader): New function.
 476         (Sized_incremental_binary::find_incremental_inputs_sections):
 477         Rename do_find_incremental_inputs_sections to this.
 478         (Sized_incremental_binary::setup_readers): New function.
 479         (Sized_incremental_binary::has_incremental_info_): New data member.
 480         (Sized_incremental_binary::inputs_reader_): New data member.
 481         (Sized_incremental_binary::symtab_reader_): New data member.
 482         (Sized_incremental_binary::relocs_reader_): New data member.
 483         (Sized_incremental_binary::got_plt_reader_): New data member.
 484         (Sized_incremental_binary::current_input_file_): New data member.
 485
 486 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
 487
 488         PR gold/12640
 489         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
 490         violation.
 491
 492 2011-03-30  Cary Coutant  <ccoutant@google.com>
 493
 494         * archive.cc (Archive::include_member): Adjust call to report_object.
 495         (Add_archive_symbols::run): Add script_info to call to
 496         report_archive_begin.
 497         (Lib_group::include_member): Adjust call to report_object.
 498         (Add_lib_group_symbols::run): Adjust call to report_object.
 499         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
 500         blocks.  Add object count for script input files.
 501         * incremental.cc (Incremental_inputs::report_archive_begin): Add
 502         script_info parameter; change all callers.
 503         (Incremental_inputs::report_object): Add script_info parameter;
 504         change all callers.
 505         (Incremental_inputs::report_script): Store backpointer to
 506         incremental info entry.
 507         (Output_section_incremental_inputs::set_final_data_size): Record
 508         additional information for scripts.
 509         (Output_section_incremental_inputs::write_info_blocks): Likewise.
 510         * incremental.h (Incremental_script_entry::add_object): New function.
 511         (Incremental_script_entry::get_object_count): New function.
 512         (Incremental_script_entry::get_object): New function.
 513         (Incremental_script_entry::objects_): New data member; adjust
 514         constructor.
 515         (Incremental_inputs::report_archive_begin): Add script_info parameter.
 516         (Incremental_inputs::report_object): Add script_info parameter.
 517         (Incremental_inputs_reader::get_object_count): New function.
 518         (Incremental_inputs_reader::get_object_offset): New function.
 519         * options.cc (Input_arguments::add_file): Return reference to
 520         new input argument.
 521         * options.h (Input_argument::set_script_info): New function.
 522         (Input_argument::script_info): New function.
 523         (Input_argument::script_info_): New data member; adjust all
 524         constructors.
 525         (Input_file_group::add_file): Return reference to new input argument.
 526         (Input_file_lib::add_file): Likewise.
 527         (Input_arguments::add_file): Likewise.
 528         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
 529         * script.cc (Parser_closure::Parser_closure): Add script_info
 530         parameter; adjust all callers.
 531         (Parser_closure::script_info): New function.
 532         (Parser_closure::script_info_): New data member.
 533         (read_input_script): Report scripts earlier to incremental info.
 534         (script_add_file): Set script_info in Input_argument.
 535         (script_add_library): Likewise.
 536         * script.h (Script_options::Script_info): Rewrite class.
 537
 538 2011-03-29  Cary Coutant  <ccoutant@google.com>
 539
 540         * archive.cc (Library_base::should_include_member): Move
 541         method here from class Archive.
 542         (Archive::Archive): Initialize base class.
 543         (Archive::should_include_member): Move to base class.
 544         (Archive::do_for_all_unused_symbols): New function.
 545         (Add_archive_symbols::run): Remove redundant access to
 546         incremental_inputs.
 547         (Lib_group::Lib_group): Initialize base class.
 548         (Lib_group::do_filename): New function.
 549         (Lib_group::include_member): Pass pointer to Lib_group to
 550         report_object.
 551         (Lib_group::do_for_all_unused_symbols): New function.
 552         (Add_lib_group_symbols::run): Report archive information for
 553         incremental links.
 554         * archive.h (class Library_base): New base class.
 555         (class Archive): Derive from Library_base.
 556         (Archive::filename): Move to base class.
 557         (Archive::set_incremental_info): Likewise.
 558         (Archive::incremental_info): Likewise.
 559         (Archive::Should_include): Likewise.
 560         (Archive::should_include_member): Likewise.
 561         (Archive::Armap_entry): Remove.
 562         (Archive::Unused_symbol_iterator): Remove.
 563         (Archive::unused_symbols_begin): Remove.
 564         (Archive::unused_symbols_end): Remove.
 565         (Archive::do_filename): New function.
 566         (Archive::do_get_mtime): New function.
 567         (Archive::do_for_all_unused_symbols): New function.
 568         (Archive::task_): Move to base class.
 569         (Archive::incremental_info_): Likewise.
 570         (class Lib_group): Derive from Library_base.
 571         (Lib_group::do_filename): New function.
 572         (Lib_group::do_get_mtime): New function.
 573         (Lib_group::do_for_all_unused_symbols): New function.
 574         (Lib_group::task_): Move to base class.
 575         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
 576         function.
 577         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
 578         function.
 579         * incremental.cc (Incremental_inputs::report_archive_begin):
 580         Use Library_base; call library's get_mtime; add incremental inputs
 581         entry before members.
 582         (class Unused_symbol_visitor): New class.
 583         (Incremental_inputs::report_archive_end): Use Library_base; use
 584         visitor class to record unused symbols; don't add incremental inputs
 585         entry after members.
 586         (Incremental_inputs::report_object): Use Library_base.
 587         * incremental.h
 588         (Incremental_archive_entry::Incremental_archive_entry): Remove
 589         unused Archive parameter.
 590         (Incremental_inputs::report_archive_begin): Use Library_base.
 591         (Incremental_inputs::report_archive_end): Likewise.
 592         (Incremental_inputs::report_object): Likewise.
 593         * object.cc (Sized_relobj::do_for_all_global_symbols): New
 594         function.
 595         * object.h (Object::for_all_global_symbols): New function.
 596         (Object::do_for_all_global_symbols): New function.
 597         (Sized_relobj::do_for_all_global_symbols): New function.
 598         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
 599         function.
 600         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
 601         function.
 602
 603 2011-03-27  Ian Lance Taylor  <iant@google.com>
 604
 605         * archive.cc (Archive::interpret_header): Return -1 if something
 606         goes wrong.  Change callers accordingly.
 607
 608 2011-03-25  Cary Coutant  <ccoutant@google.com>
 609
 610         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
 611         * testsuite/Makefile.in: Regenerate.
 612
 613 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
 614
 615         * plugin.cc (get_view): New.
 616         (Plugin::load): Pass get_view to the plugin.
 617         (Plugin_manager::get_view): New.
 618
 619 2011-03-21  Ian Lance Taylor  <iant@google.com>
 620
 621         * testsuite/final_layout.sh: Rewrite to not use dc.
 622         * testsuite/relro_test.sh: Fail if dc is not present.
 623
 624 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
 625
 626         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
 627         Change == to -eq.
 628         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
 629         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
 630         Change == to -eq.
 631         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
 632         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
 633
 634 2011-03-14  Ian Lance Taylor  <iant@google.com>
 635
 636         * script-sections.cc (Sort_output_sections::script_compare):
 637         Rename from is_before, change return type.
 638         (Sort_output_sections::operator()): Adjust accordingly.
 639
 640 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
 641
 642         PR gold/12572
 643         * testsuite/odr_violation2.cc: Add comment to make all error line
 644         numbers double digits.
 645         * testsuite/debug_msg.sh: Adjust expected errors.
 646
 647 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
 648
 649         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
 650         but mark earlier ones as non-canonical
 651         (offset_to_iterator): Update search target and example
 652         (do_addr2line): Return extra lines in a vector*
 653         (format_file_lineno): Extract from do_addr2line
 654         (one_addr2line): Add vector* out-param
 655         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
 656         when a lineno entry appeared last for its instruction
 657         (Dwarf_line_info): Add vector* out-param
 658         * object.cc (Relocate_info): Pass NULL for the vector* out-param
 659         * symtab.cc (Odr_violation_compare): Include the lineno in the
 660         comparison again.
 661         (linenos_from_loc): New. Combine the canonical line for an
 662         address with its other lines.
 663         (True_if_intersect): New. Helper functor to make
 664         std::set_intersection a query.
 665         (detect_odr_violations): Compare sets of lines instead of just
 666         one line for each function. This became less deterministic, but
 667         has fewer false positives.
 668         * symtab.h: Declarations.
 669         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
 670         mix an optimized and non-optimized object in the same binary
 671         (odr_violation2.so): Same.
 672         * testsuite/Makefile.in: Regenerate from Makefile.am.
 673         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
 674         * testsuite/debug_msg.sh: Update line numbers and add
 675         assertions.
 676         * testsuite/odr_violation1.cc: Use OdrDerived, in a
 677         non-optimized context.
 678         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
 679         isn't inlined, and use OdrDerived in an optimized context.
 680         * testsuite/odr_header1.h: Defines OdrDerived, where
 681         optimization will change the
 682         first-instruction-in-the-destructor's file and line number.
 683         * testsuite/odr_header2.h: Defines OdrBase.
 684
 685 2011-03-09  Ian Lance Taylor  <iant@google.com>
 686
 687         * fileread.cc (File_read::clear_views): Don't delete the whole
 688         file view.
 689
 690 2011-03-08  Ian Lance Taylor  <iant@google.com>
 691
 692         PR gold/12525
 693         * fileread.cc: #include <climits>.
 694         (GOLD_IOV_MAX): Define.
 695         (File_read::read_multiple): Limit number of entries by iov_max.
 696         * fileread.h (class File_read): Always set max_readv_entries to
 697         128.
 698
 699 2011-03-07  Ian Lance Taylor  <iant@google.com>
 700
 701         PR gold/12525
 702         * options.h (class General_options): Add -dy and -dn.
 703
 704 2011-03-02  Cary Coutant  <ccoutant@google.com>
 705
 706         * testsuite/script_test_9.t: Add TLS segment.
 707
 708 2011-03-02  Simon Baldwin  <simonb@google.com>
 709
 710         * configure.ac: Add check for gnu_indirect_function support in
 711         the toolchain building binutils.
 712         * configure: Rebuild.
 713
 714 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
 715
 716         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
 717         plugin only symbols.
 718         (Symbol_table::sized_finalize_symbol) Mark symbol only present
 719         in plugin files as not needed in the symbol table.
 720
 721 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
 722
 723         * output.cc (Output_section::add_input_section): Delay fill
 724         generation for section ordering.
 725
 726 2011-02-09  Ian Lance Taylor  <iant@google.com>
 727
 728         PR gold/12316
 729         * object.h (class Sized_relobj): Remove clear_local_symbols.
 730         * reloc.cc (Sized_relobj::do_relocate): Don't call
 731         clear_local_symbols.
 732
 733 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
 734
 735         * plugin.cc (is_visible_from_outside): Return true for symbols
 736         in the -u option.
 737
 738 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
 739
 740         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
 741         filename.
 742
 743 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
 744
 745         * icf.h (is_section_foldable_candidate): Change type of parameter
 746         to std::string.
 747         * icf.cc (Icf::find_identical_sections): Change type of local variable
 748         section_name to be std::string.
 749         (is_function_ctor_or_dtor): Change type of parameter to std::string.
 750
 751 2011-01-25  Ian Lance Taylor  <iant@google.com>
 752
 753         * script.cc (script_add_extern): Rewrite to use
 754         add_symbol_reference.
 755
 756 2011-01-25  Doug Kwan  <dougkwan@google.com>
 757
 758         * icf.cc (get_section_contents): Always lock section's object.
 759
 760 2011-01-24  Ian Lance Taylor  <iant@google.com>
 761
 762         * options.h (class General_options): Accept
 763         --no-detect-odr-violations.
 764
 765 2011-01-24  Ian Lance Taylor  <iant@google.com>
 766
 767         * version.cc (version_string): Bump to 1.11.
 768
 769 2011-01-24  Ian Lance Taylor  <iant@google.com>
 770
 771         * plugin.cc (class Plugin_rescan): Define new class.
 772         (Plugin_manager::claim_file): Set any_claimed_.
 773         (Plugin_manager::save_archive): New function.
 774         (Plugin_manager::save_input_group): New function.
 775         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
 776         necessary.
 777         (Plugin_manager::new_undefined_symbol): New function.
 778         (Plugin_manager::rescan): New function.
 779         (Plugin_manager::rescannable_defines): New function.
 780         (Plugin_manager::add_input_file): Set any_added_.
 781         * plugin.h (class Plugin_manager): define new fields rescannable_,
 782         undefined_symbols_, any_claimed_, and any_added_.  Declare
 783         Plugin_rescan as friend.  Declare new functions.
 784         (Plugin_manager::Rescannable): Define type.
 785         (Plugin_manager::Rescannable_list): Define type.
 786         (Plugin_manager::Undefined_symbol_list): Define type.
 787         (Plugin_manager::Plugin_manager): Initialize new fields.
 788         * archive.cc (Archive::defines_symbol): New function.
 789         (Add_archive_symbols::run): Pass archive to plugins if any.
 790         * archive.h (class Archive): Declare defines_symbol.
 791         * readsyms.cc (Input_group::~Input_group): New function.
 792         (Finish_group::run): Pass input_group to plugins if any.
 793         * readsyms.h (class Input_group): Declare destructor.
 794         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
 795         any.
 796
 797 2011-01-10  Ian Lance Taylor  <iant@google.com>
 798
 799         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
 800         section as relro.
 801         (Layout::set_segment_offsets): Reset increase_relro before calling
 802         set_section_addresses a second time.
 803
 804 2011-01-04  Cary Coutant  <ccoutant@google.com>
 805
 806         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
 807         sections before NOBITS sections.
 808
 809 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
 810
 811         * version.cc (print_version): Update copyright to 2011.
 812
 813 2010-12-23  Cary Coutant  <ccoutant@google.com>
 814
 815         * output.h (Output_data_reloc::add_output_section): Pass OD instead
 816         of OS to this->add.  Add OD parameter to second form of the function.
 817
 818 2010-12-20  Ian Lance Taylor  <iant@google.com>
 819
 820         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
 821         second of two consecutive entries with same offset.
 822
 823 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 824
 825         * testsuite/Makefile.am (ifuncmain2static_LDADD)
 826         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
 827         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
 828         to avoid unneeded links against $(LDADD).
 829         * testsuite/Makefile.in: Regenerate.
 830
 831 2010-12-15  Ian Lance Taylor  <iant@google.com>
 832
 833         PR gold/12324
 834         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
 835         for R_X86_64_32 and R_X86_64_PC32.
 836         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
 837         ver_matching_def_pic.o.
 838         (ver_matching_def_pic.o): New target.
 839
 840 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 841
 842         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
 843         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
 844         Move definition before File_read::View member definitions.
 845         (File_read::View::~View): Initialize and hold lock before
 846         updating current_mapped_bytes.
 847
 848 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 849
 850         * dwarf_reader.cc: Remove outdated comment.
 851         * gold-threads.cc: Fix typo in error message.
 852         * archive.cc: Fix typos in comments.
 853         * archive.h: Likewise.
 854         * arm-reloc-property.cc: Likewise.
 855         * arm-reloc-property.h: Likewise.
 856         * arm-reloc.def: Likewise.
 857         * arm.cc: Likewise.
 858         * attributes.h: Likewise.
 859         * cref.cc: Likewise.
 860         * ehframe.cc: Likewise.
 861         * fileread.h: Likewise.
 862         * gold.h: Likewise.
 863         * i386.cc: Likewise.
 864         * icf.cc: Likewise.
 865         * incremental.h: Likewise.
 866         * int_encoding.cc: Likewise.
 867         * layout.h: Likewise.
 868         * main.cc: Likewise.
 869         * merge.h: Likewise.
 870         * object.cc: Likewise.
 871         * object.h: Likewise.
 872         * options.cc: Likewise.
 873         * readsyms.cc: Likewise.
 874         * reduced_debug_output.cc: Likewise.
 875         * reloc.cc: Likewise.
 876         * script-sections.cc: Likewise.
 877         * sparc.cc: Likewise.
 878         * symtab.h: Likewise.
 879         * target-reloc.h: Likewise.
 880         * target.cc: Likewise.
 881         * target.h: Likewise.
 882         * timer.cc: Likewise.
 883         * timer.h: Likewise.
 884         * x86_64.cc: Likewise.
 885
 886 2010-12-09  Cary Coutant  <ccoutant@google.com>
 887
 888         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
 889         stack.
 890         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
 891         parameter; change all callers.
 892         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
 893         * options.h (warn_execstack): New option.
 894
 895 2010-12-07  Doug Kwan  <dougkwan@google.com>
 896
 897         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
 898         like function call relocations.
 899
 900 2010-12-07  Ian Lance Taylor  <iant@google.com>
 901
 902         * archive.cc (Archive::get_elf_object_for_member): Permit
 903         punconfigured to be NULL.
 904         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
 905         (Archive::include_member): Pass NULL to get_elf_object_for_member
 906         if we searched for the archive and this is the first included
 907         object.
 908
 909 2010-12-01  Ian Lance Taylor  <iant@google.com>
 910
 911         * dwarf_reader.h (class Sized_dwarf_line_info): Add
 912         track_relocs_type_ field.
 913         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 914         Set track_relocs_type_.
 915         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
 916         contents when using RELA relocs.
 917         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
 918         reloc_map_.
 919         * reloc.cc (Track_relocs::next_addend): New function.
 920         * reloc.h (class Track_relocs): Declare next_addend.
 921
 922 2010-12-01  Ian Lance Taylor  <iant@google.com>
 923
 924         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
 925         virtual destructor.
 926
 927 2010-12-01  Ian Lance Taylor  <iant@google.com>
 928
 929         * README: Update compilers known to work and fail.
 930
 931 2010-11-23  Matthias Klose  <doko@ubuntu.com>
 932
 933         * configure.in: For --enable-gold, handle value `default' instead of
 934         `both*'.  Always install ld as ld.bfd, install as ld if gold is
 935         not the default.
 936         * configure: Regenerate.
 937
 938 2010-11-18  Doug Kwan  <dougkwan@google.com>
 939
 940         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
 941         and right_alignment to be zero.  Store result alignment only if it is
 942         greater than existing alignment.
 943
 944 2010-11-16  Cary Coutant  <ccoutant@google.com>
 945
 946         PR gold/12220
 947         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
 948         Check for ".zdebug_line".
 949
 950 2010-11-16  Doug Kwan  <dougkwan@google.com>
 951             Cary Coutant  <ccoutant@google.com>
 952
 953         * output.h (Output_segment::set_section_addresses): Pass increase_relro
 954         by reference; adjust all callers.
 955         * output.cc (Output_segment::set_section_addresses): Adjust references
 956         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
 957         list is empty.
 958         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
 959         end at page boundary.
 960
 961 2010-11-16  Cary Coutant  <ccoutant@google.com>
 962
 963         PR gold/12220
 964         * layout.cc (Layout::choose_output_section): Transform names of
 965         compressed sections even when using a script with a SECTIONS clause.
 966         (Layout::output_section_name): Remove code to transform
 967         compressed debug section names.
 968         * output.cc (Output_section::add_input_section): Use uncompressed
 969         section size when tracking input sections.
 970
 971 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
 972
 973         * symtab.h (Symbol::NON_PIC_REF): Remove.
 974         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
 975         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
 976         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
 977         (Symbol::use_plt_offset): Take a flags argument and pass it
 978         directly to needs_dynamic_reloc.  Restrict check for undefined
 979         weak symbols to function calls.
 980         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
 981         (Target_arm::Scan::global): Use it.
 982         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
 983         (Target_arm::Relocate::relocate): Likewise.
 984         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
 985         parameter with an r_type parameter.  Use get_reference_flags
 986         to get the flags.
 987         (Target_arm::Relocate::relocate): Update accordingly.
 988         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
 989         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
 990         (Target_i386::Scan::global): Likewise.
 991         (Target_i386::Relocate::relocate): Likewise.
 992         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
 993         parameter with an r_type parameter.  Use get_reference_flags
 994         to get the flags.
 995         (Target_i386::Relocate::relocate): Update accordingly.
 996         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
 997         (Target_powerpc::Scan::global): Use it.
 998         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
 999         (Target_powerpc::Relocate::relocate): Likewise.
1000         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
1001         (Target_sparc::Scan::global): Use it.
1002         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
1003         (Target_sparc::Relocate::relocate): Likewise.
1004         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
1005         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
1006         (Target_x86_64::Scan::global): Likewise.
1007         (Target_x86_64::Relocate::relocate): Likewise.
1008
1009 2010-11-08  Doug Kwan  <dougkwan@google.com>
1010             Cary Coutant  <ccoutant@google.com>
1011
1012         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
1013         (Arm_exidx_merge_section::section_contents_): New data member.
1014         (Arm_input_section::Arm_input_section): Initialize original_contents_.
1015         (Arm_input_section::~Arm_input_section): De-allocate memory.
1016         (Arm_input_section::original_contents_): New data member.
1017         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
1018         in parameters instead of calling Object::section_contents without
1019         locking.
1020         (Arm_output_section::group_section): New parameter TASK.  Pass it
1021         to callees that need locking objects.
1022         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
1023         to lock EXIDX input sections.  Fix a formatting issue.  Call
1024         Arm_exidx_merged_section::build_contents to create merged section
1025         contents.
1026         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
1027         to lock object of stub table owner.
1028         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
1029         TEXT_SIZE to initialize data member TEXT_SIZE_.
1030         (Arm_exidx_input_section::addralign): Fix typo in comment.
1031         (Arm_exidx_input_section::text_size): New method.
1032         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
1033         that require locking objects.  Lock objects before scanning for stubs
1034         and updating local symbols.
1035         (Arm_input_section<big_endian>::init): Copy contents of original
1036         input section.
1037         (Arm_input_section<big_endian>::do_write): Use saved contents of
1038         original input section instead of calling Object::section_contents
1039         without locking.
1040         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
1041         size without calling Object::section_size().
1042         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
1043         for size.  Allocate a buffer for merged EXIDX entries.
1044         (Arm_exidx_merged_section::build_contents): New method.
1045         (Arm_exidx_merged_section::do_write): Move merge section contents
1046         building code to Arm_exidx_merged_section::build_contetns.  Write
1047         out contetns in buffer instead of building it on the fly.
1048         (Arm_relobj::make_exidx_input_section): Also pass text section size
1049         to Arm_exidx_input_section constructor.
1050         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
1051         (Arm_dynobj::do_read_symbols): Fix memory leak.
1052         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
1053         * target.h: (class Task): Add forward declaration.
1054         (Target::relax): Add new parameter TASK and pass it to
1055         Target::do_relax().
1056         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
1057
1058 2010-11-05  Cary Coutant  <ccoutant@google.com>
1059
1060         PR gold/10708
1061         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
1062         object when reading from the file.
1063         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
1064         second layout pass.
1065         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
1066         when reading section contents.
1067         (get_section_contents): Likewise.
1068         (icf::find_identical_sections): Likewise.
1069         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
1070         object when reading from the file.
1071         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
1072         the object when doing deferred section layout.
1073
1074 2010-11-03  Nick Clifton  <nickc@redhat.com>
1075
1076         PR gold/12001
1077         * script.h (class Symbol_assignment: name): New member.  Returns
1078         the name of the symbol.
1079         * scrfipt.cc (Script_options::is_pending_assignment): New member.
1080         Returns true if the given symbol name is on the list of
1081         assignments wating to be processed.
1082         * archive.cc (should_incldue_member): If the symbol is undefined,
1083         check to see if it is on the list of symbols pending assignment.
1084
1085 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
1086
1087         * script-sections.cc (Script_sections::find_memory_region): Check
1088         for a NULL output section pointer.
1089
1090 2010-10-29  Doug Kwan  <dougkwan@google.com>
1091
1092         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
1093         Output_section::add_relaxed_input_section.
1094         * output.cc (Output_section::add_relaxed_input_section): Add new
1095         arguments LAYOUT and NAME.  Set section order index.
1096         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1097         Copy section order index.
1098         * output.h (Output_section::add_relaxed_input_section): Add new
1099         arguments LAYOUT and NAME.
1100
1101 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1102
1103         * testsuite/Makefile.am: Move gcctestdir/ld rule to
1104         NATIVE_OR_CROSS_LINKER.
1105         * testsuite/Makefile.in: Regenerate.
1106
1107 2010-10-20  Doug Kwan  <dougkwan@google.com>
1108
1109         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
1110         without SHF_LINK_ORDER flags.
1111         * layout.cc (Layout::choose_output_section): Do not filter
1112         SHF_LINK_ORDER flag in a relocatable link.
1113
1114 2010-10-17  Cary Coutant  <ccoutant@google.com>
1115
1116         * output.h (Output_segment::set_section_addresses): Change function
1117         signature.  Update all callers.
1118         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
1119         sections.
1120         (Output_segment::set_section_addresses): Align after last TLS
1121         section.  Add padding before last relro section instead of after.
1122
1123 2010-10-17  Doug Kwan  <dougkwan@google.com>
1124
1125         * gold/arm.cc (Target_arm::got_section): Use correct order and set
1126         GOT output section to be writable.
1127
1128 2010-10-14  Cary Coutant  <ccoutant@google.com>
1129
1130         * debug.h (DEBUG_INCREMENTAL): New flag.
1131         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
1132         * gold.cc (queue_initial_tasks): Check parameters for incremental link
1133         mode.
1134         * incremental.cc (report_command_line): Ignore all forms of
1135         --incremental.
1136         * layout.cc (Layout::Layout): Check parameters for incremental link
1137         mode.
1138         * options.cc (General_options::parse_incremental): New function.
1139         (General_options::parse_no_incremental): New function.
1140         (General_options::parse_incremental_full): New function.
1141         (General_options::parse_incremental_update): New function.
1142         (General_options::incremental_mode_): New data member.
1143         (General_options::finalize): Check incremental_mode_.
1144         * options.h (General_options): Update help text for --incremental.
1145         Add --no-incremental, --incremental-full, --incremental-update.
1146         (General_options::Incremental_mode): New enum type.
1147         (General_options::incremental_mode): New function.
1148         (General_options::incremental_mode_): New data member.
1149         * parameters.cc (Parameters::incremental_mode_): New data member.
1150         (Parameters::set_options): Set incremental_mode_.
1151         (Parameters::set_incremental_full): New function.
1152         (Parameters::incremental): New function.
1153         (Parameters::incremental_update): New function.
1154         (set_parameters_incremental_full): New function.
1155         * parameters.h (Parameters::set_incremental_full): New function.
1156         (Parameters::incremental): New function.
1157         (Parameters::incremental_update): New function.
1158         (Parameters::incremental_mode_): New data member.
1159         (set_parameters_incremental_full): New function.
1160         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
1161         incremental link mode.
1162         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
1163         (Sized_relobj::do_relocate_sections): Likewise.
1164         * testsuite/Makefile.am (incremental_test): Use --incremental-full
1165         option.
1166         * testsuite/Makefile.in: Regenerate.
1167         * testsuite/incremental_test.sh: Filter all forms of --incremental.
1168
1169 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1170
1171         * script-sections.h (class Script_sections): Make
1172         Sections_elements typedef public.
1173         * script-sections.cc (class Sort_output_sections): Add elements_
1174         field.  Add constructor which sets it; change all callers.
1175         (Sort_output_sections::is_before): New function.
1176         (Sort_output_sections::operator()): Call is_before.
1177         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
1178         conditional.
1179         * testsuite/script_test_10.sh: New test. Test script section
1180         order.
1181         * testsuite/script_test_10.t: Likewise.
1182         * testsuite/script_test_10.s: Likewise.
1183         * testsuite/Makefile.am: Wrap the cross linker tests and the
1184         common tests into NATIVE_OR_CROSS_LINKER.
1185         (check_SCRIPTS): Add script_test_10.sh.
1186         (check_DATA): Add script_test_10.stdout.
1187         (script_test_10.o, script_test_10): New targets.
1188         (script_test_10.stdout): New target.
1189         * configure, testsuite/Makefile.in: Regenerate.
1190
1191 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1192
1193         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
1194         error for the deprecated relocations.
1195         (Target_arm::Scan::global): Likewise.
1196         (Target_arm::Relocate::relocate): Likewise.
1197
1198 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
1199
1200         * fileread.cc (Input_file::find_file): Initialize *found_name
1201         and *namep when using the fallback search for case 4.
1202
1203 2010-10-11  Cary Coutant  <ccoutant@google.com>
1204
1205         * options.h (class General_options): Redefine -z lazy as an alias for
1206         the negation of -z now.
1207
1208 2010-10-11  Ian Lance Taylor  <iant@google.com>
1209
1210         * resolve.cc (symbol_to_bits): Report the value of the unsupported
1211         binding.
1212
1213 2010-10-06  Nick Clifton  <nickc@redhat.com>
1214
1215         * script-sections.cc(class Memory_region): Remove
1216         current_lma_offset_ field.  Rename current_vma_offset_ to
1217         current_offset_.  Add last_section_ field.
1218         (Memory_region::get_current_vma_address): Rename to
1219         get_current_address.
1220         (Memory_region::get_current_lma_address): Delete.
1221         (Memory_region::increment_vma_offset): Rename to
1222         increment_offset.
1223         (Memory_region::increment_lma_offset): Delete.
1224         (Memory_region::attributes_compatible): New method.  Returns
1225         true if the provided section is compatible with the region.
1226         (Memory_region::get_last_section): New method.  Returns the last
1227         section to use the region.
1228         (Memory_region::set_last_section): New method.  Stores the last
1229         section to use the region.
1230         (Script_sections::block_in_region): New method.  Returns true if
1231         a block of memory is contained within a region.
1232         (Script_sections::find_memory_region): New method.  Locates a
1233         memory region to be used to set a VMA or LMA address.
1234         (Output_section_definition::set_section_addresses): Add code to
1235         check for addresses set by memory regions.
1236         (Output_segment::set_section_addresses): Remove memory region
1237         walking code.
1238         (Script_sections::create_segment): Add a warning if a header
1239         segment is created outside of any region.
1240         * script-sections.h (class Script_sections): Add prototypes for
1241         find_memory_region and block_in_region methods.
1242         * testsuite/memory_test.s: Use .long instead of .word.
1243         * testsuite/memory_test.t: Add some more output sections.
1244         * testsuite/memory_test.sh: Update expected output.
1245
1246 2010-10-02  Doug Kwan  <dougkwan@google.com>
1247
1248         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
1249         defintion to symtab.h
1250         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
1251         declaration to defintion.
1252
1253 2010-10-01  Nick Clifton  <nickc@redhat.com>
1254
1255         * expression.cc (eval): Replace dummy argument with NULL.
1256         (eval_maybe_dot): Check for a NULL result section pointer.
1257         (Symbol_expression::value): Likewise.
1258         (Dot_expression::value): Likewise.
1259         (BINARY_EXPRESSION): Likewise.
1260         (Max_expression::value): Likewise.
1261         (Min_expression::value): Likewise.
1262         (Absolute_expression::value): Likewise.
1263         (Addr_expression::value_from_output_section): Likewise.
1264         (Loaddddr_expression::value_from_output_section): Likewise.
1265         (Segment_start_expression::value): Likewise.
1266         * script-sections.cc
1267         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
1268         argument with NULL.
1269         (Sections_elememt_dot_assignment::set_section_addresses):
1270         Likewise.
1271         (Output_data_expression::do_write_to_buffer): Likewise.
1272         (Output_section_definition::finalize_symbols): Likewise.
1273         (Output_section_definition::set_section_addresses): Likewise.
1274
1275 2010-09-30  Doug Kwan  <dougkwan@google.com>
1276
1277         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
1278
1279 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
1280
1281         * target.h (Target::can_icf_inline_merge_sections): New virtual
1282         function.
1283         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
1284         virtual function.
1285         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
1286         virtual function.
1287         * icf.cc (get_section_contents): Inline merge sections only when
1288         target allows it.
1289
1290 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1291
1292         * configure: Regenerate.
1293
1294 2010-09-17  Ian Lance Taylor  <iant@google.com>
1295
1296         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
1297         * testsuite/Makefile.am (memory_test.o): New target.
1298         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
1299         memory_test.t.
1300         * testsuite/Makefile.in: Rebuild.
1301
1302 2010-09-17  Doug Kwan  <dougkwan@google.com>
1303
1304         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
1305         defintion if relocation uses GOT entries of the symbol.
1306         * testsuite/icf_safe_test.sh: Fix test.
1307         * testsuite/icf_safe_so_test.sh: Fix test.
1308
1309 2010-09-16  Cary Coutant  <ccoutant@google.com>
1310
1311         * script_sections.cc (class Memory_region): Remove "NULL" from
1312         vector initializations.
1313
1314 2010-09-15  Cary Coutant  <ccoutant@google.com>
1315
1316         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
1317         Resolve forwarding symbols.
1318
1319 2010-09-15  Doug Kwan  <dougkwan@google.com>
1320
1321         * gold/testsuite/script_test_3.t: Add ARM special sections.
1322         * gold/testsuite/script_test_4.t: Same.
1323         * gold/testsuite/script_test_5.t: Same.
1324         * gold/testsuite/script_test_6.t: Same.
1325         * gold/testsuite/script_test_7.t: Same.
1326         * gold/testsuite/script_test_7.t: Same.
1327         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
1328
1329 2010-09-14  Cary Coutant  <ccoutant@google.com>
1330
1331         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
1332         (Target_x86_64::Relocate::relocate_tls): Replace check for
1333         saw_tls_block_reloc_ with test for executable section.
1334
1335 2010-09-12  Cary Coutant  <ccoutant@google.com>
1336
1337         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
1338         position-independent executables to shared libraries need dynamic
1339         relocations.
1340         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
1341         position-independent executables.
1342         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
1343         * testsuite/Makefile.in: Regenerate.
1344
1345 2010-09-10  Nick Clifton  <nickc@redhat.com>
1346
1347         PR gold/11997
1348         * testsuite/memory_test.t: Discard any sections that are not
1349         needed.
1350
1351 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1352
1353         PR gold/11996
1354         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
1355         "This::" to work around a bug in gcc 4.2.
1356
1357         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
1358
1359 2010-09-09  Rafael Espindola  <espindola@google.com>
1360
1361         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
1362         sections with different PF_X flags in the same segment.
1363         (Layout::find_first_load_seg): Search all segments to find the first
1364         one.
1365         * options.h (rosegment): New.
1366
1367 2010-09-08  Rafael Espindola  <espindola@google.com>
1368
1369         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
1370
1371 2010-09-08  Doug Kwan  <dougkwan@google.com>
1372
1373         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
1374         (Arm_relobj::do_relocate_sections): Add new parameter for output
1375         file to match the parent.
1376         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
1377         of local symbols instead of input values.  Update code to track
1378         changes in gold::relocate_section.
1379         * object.cc (Sized_relobj::compute_final_local_value): New methods.
1380         (Sized_relobj::compute_final_local_value_internal): New methods.
1381         (Sized_relobj::do_finalize_local_symbols): Move code from loop
1382         body into private version of Sized_relobj::compute_final_local_value.
1383         Call the inline method.
1384         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
1385         merged symbol value if there is one.
1386         (Symbol_value::has_output_value): New method defintiion.
1387         (Sized_relobj::Compute_final_local_value_status): New enum type.
1388         (Sized_relobj::compute_final_local_value): New methods.
1389         (Sized_relobj::compute_final_local_value_internal): New methods.
1390         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
1391         and arm_cortex_a8.sh.
1392         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
1393         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
1394         New tests.
1395         * Makefile.in: Regenerate.
1396         * testsuite/arm_bl_out_of_range.s: Update test.
1397         * testsuite/thumb_bl_out_of_range.s: Ditto.
1398         * testsuite/thumb_blx_out_of_range.s: Ditto.
1399         * testsuite/arm_branch_out_of_range.sh: New file.
1400         * testsuite/arm_cortex_a8.sh: Ditto.
1401         * testsuite/arm_cortex_a8_b.s: Ditto.
1402         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
1403         * testsuite/arm_cortex_a8_b_local.s: Ditto.
1404         * testsuite/arm_cortex_a8_bl.s: Ditto.
1405         * testsuite/arm_cortex_a8_blx.s: Ditto.
1406         * testsuite/arm_cortex_a8_local.s: Ditto.
1407         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
1408         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
1409
1410 2010-09-08  Rafael Espindola  <espindola@google.com>
1411
1412         * Makefile.am (memory_test.stdout): Run readelf with -W.
1413         * Makefile.in: Regenerate.
1414         * testsuite/memory_test.sh: Make the regexps accept both 32 and
1415         64 bit output.
1416
1417 2010-09-08  Rafael Espindola  <espindola@google.com>
1418
1419         * script-sections.cc (Script_sections::add_memory_region): Convert
1420         field precision to int.
1421         * script.cc (script_set_section_region, script_set_section_region):
1422         Convert field precision to int.
1423
1424 2010-09-08  Rafael Espindola  <espindola@google.com>
1425
1426         * arm.cc (do_finalize_sections): Create the __exidx_start and
1427         __exdix_end symbols even when the section is missing.
1428
1429 2010-09-08  Nick Clifton  <nickc@redhat.com>
1430
1431         * README: Remove claim that MEMORY is not supported.
1432         * expression.cc (script_exp_function_origin)
1433         (script_exp_function_length): Move from here to ...
1434         * script.cc: ... here.
1435         (script_set_section_region, script_add_memory)
1436         (script_parse_memory_attr, script_include_directive): New
1437         functions.
1438         * script-sections.cc
1439         (class Memory_region): New class.
1440         (class Output_section_definition): Add set_memory_region,
1441         set_section_vma, set_section_lma and get_section_name methods.
1442         (class Script_Sections): Add add_memory_region,
1443         find_memory_region, find_memory_region_origin,
1444         find_memory_region_length and set_memory_region methods.
1445         Have set_section_addresses method walk the list of set memory
1446         regions.
1447         Extend the print methos to display memory regions.
1448         * script-sections.h: Add prototypes for new methods.
1449         Add enum for MEMORY region attributes.
1450         * yyscript.y: Add support for parsing MEMORY regions.
1451         * script-c.h: Add prototypes for new functions.
1452         * testsuite/Makefile.am: Add test of MEMORY region functionality.
1453         * testsuite/Makefile.in: Regenerate.
1454         * testsuite/memory_test.sh: New script.
1455         * testsuite/memory_test.s: New assembler source file.
1456         * testsuite/memory_test.t: New linker script.
1457
1458 2010-08-27  Doug Kwan  <dougkwan@google.com>
1459
1460         * gold/resolve.cc (Symbol_table::should_override): Let a weak
1461         reference override an existing dynamic weak reference.
1462         * testsuite/Makefile.am: Add new test dyn_weak_ref.
1463         * testsuite/Makefile.in: Regenerate.
1464         * testsuite/dyn_weak_ref.sh: New file.
1465         * testsuite/dyn_weak_ref_1.c: Ditto.
1466         * testsuite/dyn_weak_ref_2.c: Ditto.
1467
1468 2010-08-27  Ian Lance Taylor  <iant@google.com>
1469
1470         * incremental.h (class Incremental_input_entry): Add virtual
1471         destructor.
1472
1473 2010-08-27  Ian Lance Taylor  <iant@google.com>
1474
1475         * testsuite/start_lib_test_3.c: Mark t3 as used.
1476
1477 2010-08-27  Nick Clifton  <nickc@redhat.com>
1478
1479         * options.cc (version_script): Fix small typo in previous
1480         whitespace tidyup.
1481
1482 2010-08-25  Nick Clifton  <nickc@redhat.com>
1483
1484         * archive.cc: Formatting fixes: Remove whitespace between
1485         typename and following asterisk.  Remove whitespace between
1486         function name and opening parenthesis.
1487         * archive.h: Likewise.
1488         * arm.cc: Likewise.
1489         * attributes.cc: Likewise.
1490         * attributes.h: Likewise.
1491         * common.cc: Likewise.
1492         * copy-relocs.cc: Likewise.
1493         * dirsearch.h: Likewise.
1494         * dynobj.cc: Likewise.
1495         * ehframe.cc: Likewise.
1496         * ehframe.h: Likewise.
1497         * expression.cc: Likewise.
1498         * fileread.cc: Likewise.
1499         * fileread.h: Likewise.
1500         * gc.h: Likewise.
1501         * gold-threads.cc: Likewise.
1502         * gold.cc: Likewise.
1503         * i386.cc: Likewise.
1504         * icf.h: Likewise.
1505         * incremental-dump.cc: Likewise.
1506         * incremental.cc: Likewise.
1507         * layout.cc: Likewise.
1508         * layout.h: Likewise.
1509         * main.cc: Likewise.
1510         * merge.cc: Likewise.
1511         * merge.h: Likewise.
1512         * object.cc: Likewise.
1513         * object.h: Likewise.
1514         * options.cc: Likewise.
1515         * options.h: Likewise.
1516         * output.cc: Likewise.
1517         * output.h: Likewise.
1518         * plugin.cc: Likewise.
1519         * plugin.h: Likewise.
1520         * powerpc.cc: Likewise.
1521         * reloc.cc: Likewise.
1522         * script-c.h: Likewise.
1523         * script-sections.cc: Likewise.
1524         * script.cc: Likewise.
1525         * stringpool.cc: Likewise.
1526         * symtab.cc: Likewise.
1527         * symtab.h: Likewise.
1528         * target.cc: Likewise.
1529         * timer.cc: Likewise.
1530         * timer.h: Likewise.
1531         * version.cc: Likewise.
1532         * x86_64.cc: Likewise.
1533
1534 2010-08-24  Nick Clifton  <nickc@redhat.com>
1535
1536         PR 11899
1537         * layout.cc (segment_precedes): Sort segments by their physical
1538         addresses, if they have been set.
1539
1540 2010-08-23  Cary Coutant  <ccoutant@google.com>
1541
1542         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
1543         symbols data.
1544         (Lib_group::include_member): Unlock object after deleting its
1545         symbols data.
1546         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
1547         the bug fixed here.
1548
1549 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
1550             Cary Coutant  <ccoutant@google.com>
1551
1552         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
1553         constructor, and set_blocker.
1554         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
1555         readsyms_blocker_.
1556         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
1557         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
1558         * testsuite/Makefile.am (start_lib_test): New test case.
1559         * testsuite/Makefile.in: Regenerate.
1560         * testsuite/start_lib_test_main.c: New file.
1561         * testsuite/start_lib_test_1.c: New file.
1562         * testsuite/start_lib_test_2.c: New file.
1563         * testsuite/start_lib_test_3.c: New file.
1564
1565 2010-08-19  Ian Lance Taylor  <iant@google.com>
1566
1567         * Makefile.in: Rebuild with automake 1.11.1.
1568         * aclocal.m4: Likewise.
1569         * testsuite/Makefile.in: Likewise.
1570
1571 2010-08-19  Ian Lance Taylor  <iant@google.com>
1572
1573         PR 10893
1574         * i386.cc (class Output_data_plt_i386): Update declarations.
1575         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
1576         local_ifuncs_ fields.
1577         (Target_i386::do_plt_section_for_global): New function.
1578         (Target_i386::do_plt_section_for_local): New function.
1579         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
1580         parameter; change all callers.  Initialize global_ifuncs_ and
1581         local_ifuncs_.  If doing a static link define __rel_iplt_start and
1582         __rel_iplt_end.
1583         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
1584         (Output_data_plt_i386::add_local_ifunc_entry): New function.
1585         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
1586         symbols.
1587         (Target_i386::make_plt_section): New function, broken out of
1588         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
1589         (Target_i386::make_plt_entry): Call make_plt_section.
1590         (Target_i386::make_local_ifunc_plt_entry): New function.
1591         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
1592         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
1593         R_386_IRELATIVE to switch.
1594         (Target_i386::Scan::global): Likewise.
1595         (Target_i386::Relocate::relocate): Likewise.
1596         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
1597         switch.
1598         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
1599         (Target_x86_64::do_plt_section_for_global): New function.
1600         (Target_x86_64::do_plt_section_for_local): New function.
1601         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
1602         parameter; change all callers.  If doing a static link define
1603         __rela_iplt_start and __rela_iplt_end.
1604         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
1605         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
1606         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
1607         to point to .plt.
1608         (Target_x86_64::make_local_ifunc_plt_entry): New function.
1609         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
1610         switch.
1611         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
1612         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
1613         R_X86_64_IRELATIVE to switch.
1614         (Target_x86_64::Scan::global): Likewise.
1615         (Target_x86_64::Relocate::relocate): Likewise.
1616         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
1617         switch.
1618         * target.h (class Target): Add plt_section_for_global and
1619         plt_section_for_local functions.  Add do_plt_section_for_global
1620         and do_plt_section_for_local virtual functions.
1621         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
1622         clarifying comments.
1623         (Symbol::use_plt_offset): Handle IFUNC symbol.
1624         * object.cc (Sized_relobj::Sized_relobj): Initialize
1625         local_plt_offsets_.
1626         (Sized_relobj::local_has_plt_offset): New function.
1627         (Sized_relobj::local_plt_offset): New function.
1628         (Sized_relobj::set_local_plt_offset): New function.
1629         (Sized_relobj::do_count): Handle IFUNC symbol.
1630         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
1631         a bit away from input_shndx_ field.  Add set_is_func_symbol and
1632         is_ifunc_symbol functions.
1633         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
1634         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
1635         local_plt_offsets_ field.
1636         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
1637         * output.h (class Output_section_data): Add non-const
1638         output_section function.
1639         (class Output_data_got): Update declarations.
1640         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
1641         Add use_plt_offset parameter to global and local constructors.
1642         Change all callers.  Change local_sym_index_ field to 31 bits.
1643         Change GSYM_CODE and CONSTANT_CODE accordingly.
1644         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
1645         doing a static link don't set sh_link field.
1646         (Output_data_got::Got_entry::write): Use PLT offset if
1647         appropriate.
1648         (Output_data_got::add_global_plt): New function.
1649         (Output_data_got::add_local_plt): New function.
1650         * target-reloc.h (relocate_section): Handle IFUNC symbol.
1651         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
1652         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
1653         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
1654         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
1655         IFUNC conditional.
1656         * testsuite/ifunc-sel.h: New file.
1657         * testsuite/ifuncmain1.c: New file.
1658         * testsuite/ifuncmain1vis.c: New file.
1659         * testsuite/ifuncmod1.c: New file.
1660         * testsuite/ifuncdep2.c: New file.
1661         * testsuite/ifuncmain2.c: New file.
1662         * testsuite/ifuncmain3.c: New file.
1663         * testsuite/ifuncmod3.c: New file.
1664         * testsuite/ifuncmain4.c: New file.
1665         * testsuite/ifuncmain5.c: New file.
1666         * testsuite/ifuncmod5.c: New file.
1667         * testsuite/ifuncmain6pie.c: New file.
1668         * testsuite/ifuncmod6.c: New file.
1669         * testsuite/ifuncmain7.c: New file.
1670         * configure, testsuite/Makefile.in: Rebuild.
1671
1672 2010-08-18  Ian Lance Taylor  <iant@google.com>
1673
1674         * incremental.cc
1675         (Output_section_incremental_inputs::write_input_files): Add cast
1676         to avoid signed/unsigned comparison warning.
1677         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1678
1679 2010-08-12  Cary Coutant  <ccoutant@google.com>
1680
1681         * common.cc (Sort_commons::operator()): Remove unnecessary code.
1682
1683 2010-08-13  Ian Lance Taylor  <iant@google.com>
1684
1685         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
1686
1687 2010-08-12  Cary Coutant  <ccoutant@google.com>
1688             Doug Kwan  <dougkwan@google.com>
1689
1690         * resolve.cc (Symbol_table::should_override): When a weak dynamic
1691         defintion overrides non-weak undef, remember that the original undef
1692         is not weak.
1693         * symtab.cc (Symbol_table::sized_write_global): For undef without
1694         an original weak binding, set binding to global in output.
1695         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
1696         * testsuite/Makefile.in: Regenerate.
1697         * testsuite/strong_ref_weak_def.sh: New file.
1698         * testsuite/strong_ref_weak_def_1.c: Ditto.
1699         * testsuite/strong_ref_weak_def_2.c: Ditto.
1700
1701 2010-08-12  Cary Coutant  <ccoutant@google.com>
1702
1703         * testsuite/incremental_test.sh: Rewrite.
1704         * testsuite/incremental_test_1.c: Rewrite.
1705         * testsuite/incremental_test_2.c: Rewrite.
1706
1707 2010-08-12  Cary Coutant  <ccoutant@google.com>
1708
1709         * arm.cc (Target_arm::got_size): Add const.
1710         (Target_arm::got_entry_count): New function.
1711         (Target_arm::plt_entry_count): New function.
1712         (Target_arm::first_plt_entry_offset): New function.
1713         (Target_arm::plt_entry_size): New function.
1714         (Output_data_plt_arm::entry_count): New function.
1715         (Output_data_plt_arm::first_plt_entry_offset): New function.
1716         (Output_data_plt_arm::get_plt_entry_size): New function.
1717         * i386.cc (Target_i386::got_size): Add const.
1718         (Target_i386::got_entry_count): New function.
1719         (Target_i386::plt_entry_count): New function.
1720         (Target_i386::first_plt_entry_offset): New function.
1721         (Target_i386::plt_entry_size): New function.
1722         (Output_data_plt_i386::entry_count): New function.
1723         (Output_data_plt_i386::first_plt_entry_offset): New function.
1724         (Output_data_plt_i386::get_plt_entry_size): New function.
1725         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
1726         find_incremental_inputs_sections.  Dump incremental_got_plt section.
1727         * incremental.cc: Include target.h.
1728         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
1729         parameter.  Adjust all callers.  Find incremental_got_plt section.
1730         (Incremental_inputs::create_data_sections): Create incremental_got_plt
1731         section.
1732         (Output_section_incremental_inputs::set_final_data_size): Calculate
1733         size of incremental_got_plt section.
1734         (Output_section_incremental_inputs::do_write): Write the
1735         incremental_got_plt section.
1736         (Got_plt_view_info): New struct.
1737         (Local_got_offset_visitor): New class.
1738         (Global_got_offset_visitor): New class.
1739         (Global_symbol_visitor_got_plt): New class.
1740         (Output_section_incremental_inputs::write_got_plt): New function.
1741         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
1742         Add parameter.  Adjust all callers.
1743         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1744         (Incremental_inputs::got_plt_section): New function.
1745         (Incremental_inputs::got_plt_section_): New data member.
1746         (Incremental_got_plt_reader): New class.
1747         * layout.cc (Layout::create_incremental_info_sections): Add the
1748         incremental_got_plt section.
1749         * object.h (Got_offset_list::get_list): New function.
1750         (Got offset_list::for_all_got_offsets): New function.
1751         (Sized_relobj::local_got_offset_list): New function.
1752         * powerpc.cc (Target_powerpc::got_size): Add const.
1753         (Target_powerpc::got_entry_count): New function.
1754         (Target_powerpc::plt_entry_count): New function.
1755         (Target_powerpc::first_plt_entry_offset): New function.
1756         (Target_powerpc::plt_entry_size): New function.
1757         (Output_data_plt_powerpc::entry_count): New function.
1758         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
1759         (Output_data_plt_powerpc::get_plt_entry_size): New function.
1760         * sparc.cc (Target_sparc::got_size): Add const.
1761         (Target_sparc::got_entry_count): New function.
1762         (Target_sparc::plt_entry_count): New function.
1763         (Target_sparc::first_plt_entry_offset): New function.
1764         (Target_sparc::plt_entry_size): New function.
1765         (Output_data_plt_sparc::entry_count): New function.
1766         (Output_data_plt_sparc::first_plt_entry_offset): New function.
1767         (Output_data_plt_sparc::get_plt_entry_size): New function.
1768         * symtab.h (Symbol::got_offset_list): New function.
1769         (Symbol_table::for_all_symbols): New function.
1770         * target.h (Sized_target::got_entry_count): New function.
1771         (Sized_target::plt_entry_count): New function.
1772         (Sized_target::plt_entry_size): New function.
1773         * x86_64.cc (Target_x86_64::got_size): Add const.
1774         (Target_x86_64::got_entry_count): New function.
1775         (Target_x86_64::plt_entry_count): New function.
1776         (Target_x86_64::first_plt_entry_offset): New function.
1777         (Target_x86_64::plt_entry_size): New function.
1778         (Output_data_plt_x86_64::entry_count): New function.
1779         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
1780         (Output_data_plt_x86_64::get_plt_entry_size): New function.
1781
1782 2010-08-12  Cary Coutant  <ccoutant@google.com>
1783
1784         * archive.cc: Include incremental.h.
1785         (Archive::Archive): Initialize incremental_info_.
1786         (Archive::include_member): Record archive members in incremental info.
1787         (Add_archive_symbols::run): Record begin and end of an archive in
1788         incremental info.
1789         (Lib_group::include_member): Record objects in incremental info.
1790         * archive.h (Incremental_archive_entry): Forward declaration.
1791         (Archive::set_incremental_info): New member function.
1792         (Archive::incremental_info): New member function.
1793         (Archive::Unused_symbol_iterator): New class.
1794         (Archive::unused_symbols_begin): New member function.
1795         (Archive::unused_symbols_end): New member function.
1796         (Archive::incremental_info_): New data member.
1797         * incremental-dump.cc (find_input_containing_global): New function.
1798         (dump_incremental_inputs): Dump new incremental info sections.
1799         * incremental.cc: Include symtab.h.
1800         (Output_section_incremental_inputs): New class.
1801         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
1802         new incremental info sections.
1803         (Sized_incremental_binary::do_check_inputs): Likewise.
1804         (Incremental_inputs::report_archive): Remove.
1805         (Incremental_inputs::report_archive_begin): New function.
1806         (Incremental_inputs::report_archive_end): New function.
1807         (Incremental_inputs::report_object): New function.
1808         (Incremental_inputs::finalize_inputs): Remove.
1809         (Incremental_inputs::report_input_section): New function.
1810         (Incremental_inputs::report_script): Rewrite.
1811         (Incremental_inputs::finalize): Do nothing but finalize string table.
1812         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1813         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1814         (Incremental_inputs::create_data_sections): New function.
1815         (Incremental_inputs::relocs_entsize): New function.
1816         (Output_section_incremental_inputs::set_final_data_size): New function.
1817         (Output_section_incremental_inputs::do_write): New function.
1818         (Output_section_incremental_inputs::write_header): New function.
1819         (Output_section_incremental_inputs::write_input_files): New function.
1820         (Output_section_incremental_inputs::write_info_blocks): New function.
1821         (Output_section_incremental_inputs::write_symtab): New function.
1822         * incremental.h (Incremental_script_entry): Forward declaration.
1823         (Incremental_object_entry): Forward declaration.
1824         (Incremental_archive_entry): Forward declaration.
1825         (Incremental_inputs): Forward declaration.
1826         (Incremental_inputs_header_data): Remove.
1827         (Incremental_inputs_header): Remove.
1828         (Incremental_inputs_header_write): Remove.
1829         (Incremental_inputs_entry_data): Remove.
1830         (Incremental_inputs_entry): Remove.
1831         (Incremental_inputs_entry_write): Remove.
1832         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
1833         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
1834         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
1835         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
1836         Likewise.
1837         (Incremental_input_entry): New class.
1838         (Incremental_script_entry): New class.
1839         (Incremental_object_entry): New class.
1840         (Incremental_archive_entry): New class.
1841         (Incremental_inputs::Incremental_inputs): Initialize new data members.
1842         (Incremental_inputs::report_inputs): Remove.
1843         (Incremental_inputs::report_archive): Remove.
1844         (Incremental_inputs::report_archive_begin): New function.
1845         (Incremental_inputs::report_archive_end): New function.
1846         (Incremental_inputs::report_object): Change prototype.
1847         (Incremental_inputs::report_input_section): New function.
1848         (Incremental_inputs::report_script): Change prototype.
1849         (Incremental_inputs::get_reloc_count): New function.
1850         (Incremental_inputs::set_reloc_count): New function.
1851         (Incremental_inputs::create_data_sections): New function.
1852         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
1853         (Incremental_inputs::inputs_section): New function.
1854         (Incremental_inputs::symtab_section): New function.
1855         (Incremental_inputs::relocs_section): New function.
1856         (Incremental_inputs::get_stringpool): Add const.
1857         (Incremental_inputs::command_line): Add const.
1858         (Incremental_inputs::inputs): Remove.
1859         (Incremental_inputs::command_line_key): New function.
1860         (Incremental_inputs::input_file_count): New function.
1861         (Incremental_inputs::input_files): New function.
1862         (Incremental_inputs::relocs_entsize): New function.
1863         (Incremental_inputs::sized_create_inputs_section_data): Remove.
1864         (Incremental_inputs::finalize_inputs): Remove.
1865         (Incremental_inputs::Input_info): Remove.
1866         (Incremental_inputs::lock_): Remove.
1867         (Incremental_inputs::inputs_): Change type.
1868         (Incremental_inputs::inputs_map_): Remove.
1869         (Incremental_inputs::current_object_entry_): New data member.
1870         (Incremental_inputs::inputs_section_): New data member.
1871         (Incremental_inputs::symtab_section_): New data member.
1872         (Incremental_inputs::relocs_section_): New data member.
1873         (Incremental_inputs::reloc_count_): New data member.
1874         (Incremental_inputs_reader): New class.
1875         (Incremental_symtab_reader): New class.
1876         (Incremental_relocs_reader): New class.
1877         * layout.cc (Layout::finalize): Move finalization of incremental info
1878         and creation of incremental info sections to follow finalization of
1879         symbol table.  Set offsets for postprocessing sections.
1880         (Layout::create_incremental_info_sections): Call
1881         Incremental_inputs::create_data_sections.  Add incremental symtab
1882         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
1883         sections to layout after input sections.
1884         * layout.h (struct Timespec): Forward declaration.
1885         (Layout::incremental_inputs): Add const.
1886         (Layout::create_incremental_info_sections): Add parameter.
1887         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
1888         * object.cc: Include incremental.h.
1889         (Relobj::finalize_incremental_relocs): New function.
1890         (Sized_relobj::do_layout): Record input sections in incremental info.
1891         * object.h (Object::output_section): New function.
1892         (Object::output_section_offset): Moved from Relobj.
1893         (Object::get_incremental_reloc_base): New function.
1894         (Object::get_incremental_reloc_count): New function.
1895         (Object::do_output_section): New function.
1896         (Object::do_output_section_offset): Moved from Relobj.
1897         (Object::do_get_incremental_reloc_base): New function.
1898         (Object::do_get_incremental_reloc_count): New function.
1899         (Object::Object): Initialize new data members.
1900         (Relobj::output_section): Renamed do_output_section and moved to
1901         protected.
1902         (Relobj::output_section_offset): Moved to Object.
1903         (Relobj::do_get_incremental_reloc_base): New function.
1904         (Relobj::do_get_incremental_reloc_count): New function.
1905         (Relobj::allocate_incremental_reloc_counts): New function.
1906         (Relobj::count_incremental_reloc): New function.
1907         (Relobj::finalize_incremental_relocs): New function.
1908         (Relobj::next_incremental_reloc_index): New function.
1909         (Relobj::reloc_counts_): New data member.
1910         (Relobj::reloc_bases_): New data member.
1911         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
1912         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
1913         (Sized_relobj::incremental_relocs_scan): New function.
1914         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1915         (Sized_relobj::incremental_relocs_write): New function.
1916         (Sized_relobj::incremental_relocs_write_reltype): New function.
1917         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
1918         incremental link.
1919         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
1920         archives and object files elsewhere.
1921         (Add_symbols::run): Report object files here.
1922         (Finish_group::run): Report end of archive at end of group.
1923         * reloc.cc: Include layout.h, incremental.h.
1924         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
1925         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
1926         (Sized_relobj::incremental_relocs_scan): New function.
1927         (Sized_relobj::incremental_relocs_scan_reltype): New function.
1928         (Sized_relobj::do_relocate_sections): Write incremental relocations.
1929         (Sized_relobj::incremental_relocs_write): New function.
1930         (Sized_relobj::incremental_relocs_write_reltype): New function.
1931         * script.cc (read_input_script): Rewrite test for incremental link.
1932         Change call to Incremental_inputs::report_script.
1933         * symtab.h (Symbol_table::first_global_index): New function.
1934         (Symbol_table::output_count): New function.
1935
1936 2010-08-12  Doug Kwan  <dougkwan@google.com>
1937
1938         * arm.cc (Target_arm::merge_object_attributes): Check command line
1939         options --no-wchar-size-warning and --no-enum-size-warning.
1940         * options.h (General_options): Add ld-compatible options
1941         --no-enum-size-warning and --no-wchar-size-warning.
1942
1943 2010-08-04  Ian Lance Taylor  <iant@google.com>
1944
1945         * x86_64.cc (Target_x86_64::Scan::local): Use
1946         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
1947         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
1948         (Target_x86_64::Scan::global): Likewise.
1949         (Target_x86_64::Relocate::relocate): Likewise.
1950         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1951         Likewise.
1952
1953 2010-08-03  Cary Coutant  <ccoutant@google.com>
1954
1955         * merge.cc (Output_merge_string::do_add_input_section): Count strings
1956         to reserve space in merged_strings vector. Keep total input size
1957         for stats.
1958         (Output_merge_string::do_print_merge_stats): Print total input size.
1959         * merge.h (Output_merge_string): Add input_size_ field.
1960         * stringpool.cc (Stringpool_template::string_length): Move
1961         implementations out of Stringpool_template class and place in
1962         stringpool.h.
1963         * stringpool.h (string_length): Move out of Stringpool_template.
1964
1965 2010-08-03  Ian Lance Taylor  <iant@google.com>
1966
1967         PR 11712
1968         * layout.cc (relaxation_loop_body): If address of load segment is
1969         set, adjust address to include headers if possible.
1970
1971 2010-08-03  Ian Lance Taylor  <iant@google.com>
1972
1973         * version.cc (version_string): Bump to 1.10.
1974
1975 2010-08-03  Ian Lance Taylor  <iant@google.com>
1976
1977         PR 11805
1978         * layout.h (enum Output_section_order): Define.
1979         (class Layout): Update declarations.
1980         * layout.cc (Layout::get_output_section): Add order parameter.
1981         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
1982         is_first_non_relro parameters.  Change all callers.
1983         (Layout::choose_output_section): Likewise.
1984         (Layout::add_output_section_data): Likewise.
1985         (Layout::make_output_section): Likewise.  Set order.
1986         (Layout::default_section_order): New function.
1987         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
1988         * output.cc (Output_section::Output_section): Initialize order_.
1989         Don't initialize deleted fields.
1990         (Output_segment::Output_segment): Don't initialize deleted
1991         fields.
1992         (Output_segment::add_output_section_to_load): New function
1993         replacing add_output_section.  Change all callers to call this or
1994         add_output_section_to_nonload.
1995         (Output_segment::add_output_section_to_nonload): New function.
1996         (Output_segment::remove_output_section): Rewrite.
1997         (Output_segment::add_initial_output_data): Likewise.
1998         (Output_segment::has_any_data_sections): Likewise.
1999         (Output_segment::is_first_section_relro): Likewise.
2000         (Output_segment::maximum_alignment): Likewise.
2001         (Output_segment::has_dynamic_reloc): New function replacing
2002         dynamic_reloc_count.  Change all callers.
2003         (Output_segment::has_dynamic_reloc_list): New function replacing
2004         dynamic_reloc_count_list.  Change all callers.
2005         (Output_segment::set_section_addresses): Rewrite.
2006         (Output_segment::set_offset): Rewrite.
2007         (Output_segment::find_first_and_last_list): Remove.
2008         (Output_segment::set_tls_offsets): Rewrite.
2009         (Output_segment::first_section_load_address): Likewise.
2010         (Output_segment::output_section_count): Likewise.
2011         (Output_segment::section_with_lowest_load_address): Likewise.
2012         (Output_segment::write_section_headers): Likewise.
2013         (Output_segment::print_sections_to_map): Likewise.
2014         * output.h (class Output_data): Remove dynamic_reloc_count_
2015         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
2016         (Output_data::add_dynamic_reloc): Rewrite.
2017         (Output_data::has_dynamic_reloc): New function.
2018         (Output_data::dynamic_reloc_count): Remove.
2019         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
2020         is_last_relro_, is_first_non_relro_, is_interp_,
2021         is_dynamic_linker_section_ fields.  Add order and set_order
2022         functions.  Remove is_relro_local, set_is_relro_local,
2023         is_last_relro, set_is_last_relro, is_first_non_relro,
2024         set_is_first_non_relro functions, is_interp, set_is_interp,
2025         is_dynamic_linker_section, and set_is_dynamic_linker_section
2026         functions.
2027         (class Output_segment): Change Output_data_list from std::list to
2028         std:;vector.  Add output_lists_ field.  Remove output_data_ and
2029         output_bss_ fields.  Update declarations.
2030
2031 2010-08-02  Ian Lance Taylor  <iant@google.com>
2032
2033         * arm.cc (Target_arm::gc_process_relocs): Use typename.
2034         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
2035         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
2036
2037 2010-08-02  Ian Lance Taylor  <iant@google.com>
2038
2039         PR 11855
2040         * script.cc (Script_options::Script_options): Initialize
2041         symbol_definitions_ and symbol_references_.
2042         (Script_options::add_symbol_assignment): Update
2043         symbol_definitions_ and symbol_references_.
2044         (Script_options::add_symbol_reference): New function.
2045         (script_symbol): New function.
2046         * script.h (class Script_options): Add symbol_definitions_ and
2047         symbol_references_ fields.
2048         (Script_options::referenced_const_iterator): New type.
2049         (Script_options::referenced_begin): New function.
2050         (Script_options::referenced_end): New function.
2051         (Script_options::is_referenced): New function.
2052         (Script_options::any_unreferenced): New function.
2053         * script-c.h (script_symbol): Declare.
2054         * yyscript.y (exp): Call script_symbol.
2055         * symtab.cc: Include "script.h".
2056         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
2057         Change all callers.  Check symbols referenced by scripts.
2058         (Symbol_table::add_undefined_symbols_from_command_line): Add
2059         layout parameter.  Change all callers.
2060         (Symbol_table::do_add_undefined_symbols_from_command_line):
2061         Likewise.  Break out loop body.  Check symbols referenced by
2062         scripts.
2063         (Symbol_table::add_undefined_symbol_from_command_line): New
2064         function broken out of
2065         do_add_undefined_symbols_from_command_line.
2066         * symtab.h (class Symbol_table): Update declarations.
2067         * archive.cc: Include "layout.h".
2068         (Archive::should_include_member): Add layout parameter.  Change
2069         all callers.  Check for symbol mentioned in expression.
2070         * archive.h (class Archive): Update declaration.
2071         * object.cc (Sized_relobj::do_should_include_member): Add layout
2072         parameter.
2073         * object.h (Object::should_include_member): Add layout parameter.
2074         Change all callers.
2075         (Object::do_should_include_member): Add layout parameter.
2076         (class Sized_relobj): Update declaration.
2077         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
2078         parameter.
2079         * dynobj.h (class Sized_dynobj): Update declaration.
2080         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
2081         layout parameter.
2082         * plugin.h (class Sized_pluginobj): Update declaration.
2083
2084 2010-08-02  Ian Lance Taylor  <iant@google.com>
2085
2086         PR 11866
2087         * output.cc (Output_segment::set_offset): Search for the first and
2088         last sections rather than assuming that the list is in order.
2089         (Output_segment::find_first_and_last_list): New function.
2090         * output.h (class Output_segment): Update declarations.
2091         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
2092         (relro_strip_test_SOURCES): New variable.
2093         (relro_strip_test_DEPENDENCIES): New variable.
2094         (relro_strip_test_LDFLAGS): New variable.
2095         (relro_strip_test_LDADD): New variable.
2096         (relro_strip_test.so): New target.
2097
2098 2010-08-02  Ian Lance Taylor  <iant@google.com>
2099
2100         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
2101         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
2102         (Target_i386::got_tlsdesc_section): New function.
2103         (Target_i386::got_section): Create space for GOT entries for
2104         TLSDESC relocations.
2105         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
2106         R_386_TLS_GOTDESC.
2107         (Target_i386::Scan::global): Likewise.
2108         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
2109         using TLSDESC GOT.
2110         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
2111         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
2112         (Target_x86_64::got_tlsdesc_section): New function.
2113         (Target_x86_64::got_section): Create space for GOT entries for
2114         TLSDESC relocations.
2115         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
2116         R_386_TLS_GOTDESC.
2117         (Target_x86_64::Scan::global): Likewise.
2118         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
2119         using TLSDESC GOT.
2120
2121 2010-08-02  Ian Lance Taylor  <iant@google.com>
2122
2123         * testsuite/final_layout.sh: Use dc to convert from hex to
2124         decimal.
2125
2126 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
2127
2128         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
2129         paramter to the call to gold::gc_process_relocs.
2130         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
2131         paramter to the call to gold::gc_process_relocs.
2132         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
2133         parameter to the call to gold::gc_process_relocs.
2134         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
2135         template parameter to the call to gold::gc_process_relocs.
2136         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
2137         paramter to the call to gold::gc_process_relocs.
2138         * gc.h (get_embedded_addend_size): New function.
2139         (gc_process_relocs): Save the size of the reloc for use by ICF.
2140         * icf.cc (get_section_contents): Get the addend from the text section
2141         for SHT_REL relocation sections.
2142         * icf.h (Icf::Reloc_addend_size_info): New typedef.
2143         (Icf::Reloc_info): Add new member reloc_addend_size_info.
2144         * int_encoding.h (read_from_pointer): New overloaded function.
2145         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
2146         * testsuite/icf_sht_rel_addend_test.sh: New file.
2147         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
2148         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
2149
2150 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2151
2152         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
2153         * Makefile.in: Regenerate.
2154         * testsuite/Makefile.in: Regenerate.
2155
2156 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
2157
2158         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
2159         * gold/testsuite/debug_msg.cc: Likewise.
2160         * gold/testsuite/odr_violation1.cc
2161         * gold/testsuite/odr_violation2.cc
2162
2163 2010-07-21  Cary Coutant  <ccoutant@google.com>
2164
2165         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
2166         string, and length fields.
2167         (Output_merge_string::Merged_strings_list): New type.
2168         (Output_merge_string::Merged_strings_lists): New typedef.
2169         (Output_merge_string): Replace merged_strings_ with
2170         merged_strings_lists_.
2171         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
2172         Merged_strings_list per input object and section.  Don't store pointer
2173         to the string.  Don't store length with each merged string entry.
2174         (Output_merge_string::finalize_merged_data): Loop over list of merged
2175         strings lists.  Recompute length of each merged string.
2176
2177 2010-07-15  Cary Coutant  <ccoutant@google.com>
2178
2179         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
2180         here.
2181
2182 2010-07-14  Ian Lance Taylor  <iant@google.com>
2183
2184         * descriptors.cc (Descriptors::open): Report correct name in error
2185         message.
2186
2187 2010-07-13  Doug Kwan  <dougkwan@google.com>
2188
2189         * arm.cc (Arm_input_section::Arm_input_section): For a
2190         SHT_ARM_EXIDX section, always keeps the input sections.
2191         (Arm_input_section::set_exidx_section_link): New method.
2192         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
2193         has_errors_ to false.
2194         (Arm_exidx_input_section::has_errors,
2195         Arm_exidx_input_section::set_has_errors): New methods.
2196         (Arm_exidx_input_section::has_errors_): New data member.
2197         (Arm_relobj::get_exidx_shndx_list): New method.
2198         (Arm_output_section::append_text_sections_to_list): Do not skip
2199         section without SHF_EXECINSTR.
2200         (Arm_output_section::fix_exidx_coverage): Skip input sections with
2201         errors.
2202         (Arm_relobj::make_exidx_input_section): Add new parameter for text
2203         section header.  Make error messages more verbose.  Check for
2204         a non-executable section linked to an EXIDX section.
2205         (Arm_relobj::do_read_symbols): Remove error checking, which has been
2206         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
2207         check that there is no deferred EXIDX section if we exit early.
2208         Instead of not making an EXIDX section in case of an error, make one
2209         and set the has_errors flag of it.
2210         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
2211         in a relocatable link.
2212         (Target_arm::do_relax): Look for the EXIDX output section instead of
2213         assuming that it is called .ARM.exidx.
2214         (Target_arm::fix_exidx_coverage): Add a new parameter for input
2215         section list.  Do not check for SHF_EXECINSTR section flags but
2216         skip any input section with errors.
2217         * output.cc (Output_section::Output_section): Initialize
2218         always_keeps_input_sections_ to false.
2219         (Output_section::add_input_section): Check for
2220         always_keeps_input_sections_.
2221         *  output.h (Output_section::always_keeps_input_sections,
2222         Output_section::set_always_keeps_input_sections): New methods.
2223         (Output_section::always_keeps_input_sections): New data member.
2224
2225 2010-07-13  Rafael Espindola  <espindola@google.com>
2226
2227         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
2228         * fileread.h (Input_file): Add try_extra_search_path and find_file.
2229
2230 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
2231             Ian Lance Taylor  <iant@google.com>
2232
2233         * output.h (Output_section_lookup_maps::add_merge_section):
2234         Correct check of whether value was inserted.
2235         (Output_section_lookup_maps::add_merge_input_section): Likewise.
2236         (Output_section_lookup_maps::add_relaxed_input_section):
2237         Likewise.
2238         * arm.cc (Target_arm::got_section): Remove used local os.
2239         * i386.cc (Target_i386::got_section): Likewise.
2240         * x86_64.cc (Target_x86_64::got_section): Likewise.
2241         * sparc.cc (Target_sparc::got_section): Likewise.
2242         (Target_sparc::relocate): Remove unused local have_got_offset.
2243         * powerpc.cc (Target_powerpc::relocate): Likewise.
2244
2245 2010-07-13  Ian Lance Taylor  <iant@google.com>
2246
2247         * compressed_output.cc (zlib_decompress): Fix signature in
2248         !HAVE_ZLIB_H case.
2249
2250         * archive.cc (Archive::include_member): Unlock an external member
2251         of a thin archive.  Don't bother to delete an object we know is
2252         NULL.
2253
2254 2010-07-12  Cary Coutant  <ccoutant@google.com>
2255
2256         * compressed_output.cc (zlib_decompress): New function.
2257         (get_uncompressed_size): New function.
2258         (decompress_input_section): New function.
2259         * compressed_output.h (get_uncompressed_size): New function.
2260         (decompress_input_section): New function.
2261         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
2262         Handle compressed debug sections.
2263         * layout.cc (is_compressed_debug_section): New function.
2264         (Layout::output_section_name): Map compressed section names to
2265         canonical names.
2266         * layout.h (is_compressed_debug_section): New function.
2267         (is_debug_info_section): Recognize compressed debug sections.
2268         * merge.cc: Include compressed_output.h.
2269         (Output_merge_data::do_add_input_section): Handle compressed
2270         debug sections.
2271         (Output_merge_string::do_add_input_section): Handle compressed
2272         debug sections.
2273         * object.cc: Include compressed_output.h.
2274         (Sized_relobj::Sized_relobj): Initialize new data members.
2275         (build_compressed_section_map): New function.
2276         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
2277         * object.h (Object::section_is_compressed): New method.
2278         (Object::do_section_is_compressed): New method.
2279         (Sized_relobj::Compressed_section_map): New type.
2280         (Sized_relobj::do_section_is_compressed): New method.
2281         (Sized_relobj::compressed_sections_): New data member.
2282         * output.cc (Output_section::add_input_section): Handle compressed
2283         debug sections.
2284         * reloc.cc: Include compressed_output.h.
2285         (Sized_relobj::write_sections): Handle compressed debug sections.
2286
2287 2010-07-08  Cary Coutant  <ccoutant@google.com>
2288
2289         * resolve.cc (Symbol_table::resolve): Remember whether undef was
2290         weak when resolving to a dynamic def.
2291         (Symbol_table::should_override): Add adjust_dyndef flag; set it
2292         for weak undef/dynamic def cases. Adjust callers.
2293         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
2294         undef_binding_weak_.
2295         (Symbol_table::sized_write_globals): Adjust symbol binding.
2296         (Symbol_table::sized_write_symbol): Add binding parameter.
2297         * symtab.h (Symbol::set_undef_binding): New method.
2298         (Symbol::is_undef_binding_weak): New method.
2299         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
2300         (Symbol_table::should_override): Add new parameter.
2301         (Symbol_table::sized_write_symbol): Add new parameter.
2302
2303         * testsuite/weak_undef_file1.cc: Add new test case.
2304         * testsuite/weak_undef_file2.cc: Fix header comment.
2305         * testsuite/weak_undef_test.cc: Add new test case.
2306
2307 2010-06-29  Doug Kwan  <dougkwan@google.com>
2308
2309         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
2310         Initialize USE_SYMBOL_.
2311         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
2312         definition.
2313         (Arm_reloc_property::uses_symbol_): New data member declaration.
2314         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
2315         uses symbol value and symbol is undefined but not weakly undefined.
2316
2317 2010-06-28  Rafael Espindola  <espindola@google.com>
2318
2319         * plugin.cc (Plugin::load): Use dlerror.
2320
2321 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
2322
2323         * symtab.cc (detect_odr_violations): When reporting an ODR
2324         violation, report an object where the symbol is defined.
2325
2326 2010-06-25  Doug Kwan  <dougkwan@google.com>
2327
2328         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
2329         (Target_arm::section_may_have_icf_unsafe_pointers): New method
2330         definition.
2331         (Target_arm::Scan::local_reloc_may_be_function_pointer,
2332         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
2333         target hook to detect function points.
2334         (Target_arm::Scan::possible_function_pointer_reloc): New method.
2335         * icf.h (Icf::check_section_for_function_pointers): Change type of
2336         parameter SECTION_NAME to const reference to std::string.  Use
2337         target hook to determine if section may have unsafe pointers.
2338         * target.h (Target::section_may_have_icf_unsafe_pointers): New
2339         method definition.
2340
2341 2010-06-21  Rafael Espindola  <espindola@google.com>
2342
2343         * fileread.cc (Input_file::find_fie): New
2344         (Input_file::open): Use Input_file::find_fie.
2345         * fileread.h (Input_file::find_fie): New
2346         * plugin.cc (set_extra_library_path): New.
2347         (Plugin::load): Add set_extra_library_path to the transfer vector.
2348         (Plugin_manager::set_extra_library_path): New.
2349         (Plugin_manager::add_input_file): Use the extra search path if set.
2350         (set_extra_library_path(): New.
2351         * plugin.h (Plugin_manager): Add set_extra_library_path and
2352         extra_search_path_.
2353
2354 2010-06-19  Cary Coutant  <ccoutant@google.com>
2355
2356         * layout.cc (gdb_sections): Add .debug_types.
2357         (lines_only_debug_sections): Likewise.
2358
2359 2010-06-18  Rafael Espindola  <espindola@google.com>
2360
2361         * plugin.cc (add_input_file,add_input_library)
2362         (Plugin_manager::add_input_file): Make filename arguments const.
2363         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
2364         const.
2365
2366 2010-06-16  Doug Kwan  <dougkwan@google.com>
2367
2368         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
2369         .ARM.attributes section if we have not merged any input
2370         attributes sections.
2371
2372 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2373
2374         * arm.cc: Allow combining objects with no EABI version
2375         information.
2376
2377 2010-06-15  Rafael Espindola  <espindola@google.com>
2378
2379         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
2380
2381 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2382
2383         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
2384         (struct iovec): Correct !HAVE_READV definition.
2385
2386 2010-06-10  Cary Coutant  <ccoutant@google.com>
2387
2388         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
2389         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
2390         reloc sections.
2391         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
2392
2393         PR 11683
2394         * symtab.h (Symbol::is_placeholder): New member function.
2395         * target-reloc.h (relocate_section): Check for placeholder symbols.
2396
2397         * testsuite/Makefile.am (plugin_test_8): New test.
2398         (plugin_test_9): New test.
2399         * testsuite/Makefile.in: Regenerate.
2400
2401 2010-06-09  Nick Clifton  <nickc@redhat.com>
2402
2403         * yyscript.y (input_list_element): Allow strings prefixed with
2404         the '-' character.  Treat these as libraries.
2405         * script.cc (script_add_library): New function.  Adds a library
2406         specified by "-l<name>" found in an input script.
2407         * script-c.h: Add prototype for script_add_library.
2408
2409 2010-06-07  Doug Kwan  <dougkwan@google.com>
2410
2411         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
2412         Restrict stub-group size to be within long conditional branch
2413         range when working around cortex-A8 erratum.
2414
2415 2010-06-07  Damien Diederen  <dd@crosstwine.com>
2416
2417         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
2418         #ifdef typo.
2419
2420 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
2421
2422         PR gold/11658
2423         * output.cc
2424         (Output_section::Input_section_sort_entry::compare_section_ordering):
2425         Change to return non-zero correctly.
2426         (Output_section::Input_section_sort_section_order_index_compare
2427         ::operator()): Change to fix ambiguity in comparisons.
2428
2429 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
2430
2431         * gold.h (is_wildcard_string): New function.
2432         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
2433         (Layout::layout_eh_frame): Ditto.
2434         (Layout::find_section_order_index): New method.
2435         (Layout::read_layout_from_file): New method.
2436         * layout.h (Layout::find_section_order_index): New method.
2437         (Layout::read_layout_from_file): New method.
2438         (Layout::input_section_position_): New private member.
2439         (Layout::input_section_glob_): New private member.
2440         * main.cc (main): Call read_layout_from_file here.
2441         * options.h (--section-ordering-file): New option.
2442         * output.cc (Output_section::input_section_order_specified_): New
2443         member.
2444         (Output_section::Output_section): Initialize new member.
2445         (Output_section::add_input_section): Add new parameter.
2446         Keep input sections when --section-ordering-file is used.
2447         (Output_section::set_final_data_size): Sort input sections when
2448         section ordering file is specified.
2449         (Output_section::Input_section_sort_entry): Add new parameter.
2450         Check sorting type.
2451         (Output_section::Input_section_sort_entry::compare_section_ordering):
2452         New method.
2453         (Output_section::Input_section_sort_compare::operator()): Change to
2454         consider section_order_index.
2455         (Output_section::Input_section_sort_init_fini_compare::operator()):
2456         Change to consider section_order_index.
2457         (Output_section::Input_section_sort_section_order_index_compare
2458         ::operator()): New method.
2459         (Output_section::sort_attached_input_sections): Change to sort
2460         according to section order when specified.
2461         (Output_section::add_input_section<32, true>): Add new parameter.
2462         (Output_section::add_input_section<64, true>): Add new parameter.
2463         (Output_section::add_input_section<32, false>): Add new parameter.
2464         (Output_section::add_input_section<64, false>): Add new parameter.
2465         * output.h (Output_section::add_input_section): Add new parameter.
2466         (Output_section::input_section_order_specified): New
2467         method.
2468         (Output_section::set_input_section_order_specified): New method.
2469         (Input_section::Input_section): Initialize section_order_index_.
2470         (Input_section::section_order_index): New method.
2471         (Input_section::set_section_order_index): New method.
2472         (Input_section::section_order_index_): New member.
2473         (Input_section::Input_section_sort_section_order_index_compare): New
2474         struct.
2475         (Output_section::input_section_order_specified_): New member.
2476         * script-sections.cc (is_wildcard_string): Delete and move modified
2477         method to gold.h.
2478         (Output_section_element_input::Output_section_element_input): Modify
2479         call to is_wildcard_string.
2480         (Output_section_element_input::Input_section_pattern
2481         ::Input_section_pattern): Ditto.
2482         (Output_section_element_input::Output_section_element_input): Ditto.
2483         * testsuite/Makefile.am (final_layout): New test case.
2484         * testsuite/Makefile.in: Regenerate.
2485         * testsuite/final_layout.cc: New file.
2486         * testsuite/final_layout.sh: New file.
2487
2488 2010-06-01  Rafael Espindola  <espindola@google.com>
2489
2490         * plugin.cc (Plugin::load): Pass the output name to the plugin.
2491
2492 2010-06-01  Rafael Espindola  <espindola@google.com>
2493
2494         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
2495         visibility of symbols.
2496
2497 2010-05-27  Doug Kwan  <dougkwan@google.com>
2498
2499         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
2500         from start of output section instead of address for a local symbol
2501         in a merged or relaxed section when doing a relocatable link.
2502
2503 2010-05-26  Rafael Espindola  <espindola@google.com>
2504
2505        PR 11604
2506         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
2507         adding sections the garbage collector removed.
2508         * gold/testsuite/Makefile.am: Add test.
2509         * gold/testsuite/Makefile.in: Regenerate.
2510         * gold/testsuite/plugin_test_7.sh: New.
2511         * gold/testsuite/plugin_test_7_1.c: New.
2512         * gold/testsuite/plugin_test_7_2.c: New.
2513
2514 2010-05-26  Rafael Espindola  <espindola@google.com>
2515
2516         * script-sections.cc (Output_section_definition::set_section_addresses):
2517         Check for --section-start.
2518
2519 2010-05-26  Doug Kwan  <dougkwan@google.com>
2520
2521         * arm.cc (Arm_scan_relocatable_relocs): New class.
2522         (Target_arm::relocate_special_relocatable): New method.
2523         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
2524         (Arm_relocate_functions::thumb_branch_common): Same.
2525         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
2526         instead of Default_scan_relocatable_relocs.
2527         * target-reloc.h (relocate_for_relocatable): Let target handle
2528         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
2529         * target.h (Sized_target::relocate_special_relocatable): New method.
2530
2531 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2532
2533         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
2534
2535 2010-05-23  Doug Kwan  <dougkwan@google.com>
2536
2537         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
2538         instead of a cast.
2539         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
2540         with a direct branch, not a conditional branch, to a stub.
2541         * merge.cc (Output_merge_base::record_input_section): New method
2542         defintion.
2543         (Output_merge_data::do_add_input_section): Record input section if
2544         keeps-input-sections flag is set.
2545         (Output_merge_string::do_add_input_section): Ditto.
2546         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
2547         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
2548         INPUT_SECTIONS_.
2549         (Output_merge_base::keeps_input_sections,
2550         Output_merge_base::set_keeps_input_sections,
2551         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
2552         method definitions.
2553         (Output_merge_base::Input_sections): New type declaration.
2554         (Output_merge_base::input_sections_begin,
2555         Output_merge_base::input_sections_end,
2556         Output_merge_base::do_set_keeps_input_sections): New method definitions.
2557         (Output_merge_base::bool keeps_input_sections_,
2558         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
2559         Output_merge_base::input_sections_): New data members.
2560         (Output_merge_data::do_set_keeps_input_sections): New method
2561         defintion.
2562         (Output_merge_string::do_set_keeps_input_sections): Ditto.
2563         * output.cc (Output_section::Input_section::relobj): Move method
2564         defintion from class declaration to here and handle merge sections.
2565         (Output_section::Input_section::shndx): Ditto.
2566         (Output_section::Output_section): Remove initializations of removed
2567         data members and initialize new data member LOOKUP_MAPS_.
2568         (Output_section::add_input_section): Set keeps-input-sections flag
2569         for a newly created merge output section as appropriate.  Adjust code
2570         to use Output_section_lookup_maps class.
2571         (Output_section::add_relaxed_input_section): Adjst code for lookup
2572         maps code refactoring.
2573         (Output_section::add_merge_input_section): Add a new parameter
2574         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
2575         class.  If adding input section to a newly created merge output
2576         section fails, remove the new merge section.
2577         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
2578         Adjust code for use of the Output_section_lookup_maps class.
2579         (Output_section::find_merge_section): Ditto.
2580         (Output_section::build_lookup_maps): New method defintion.
2581         (Output_section::find_relaxed_input_section): Adjust code to use
2582         Output_section_lookup_maps class.
2583         (Output_section::get_input_sections): Export merge sections.  Adjust
2584         code to use Output_section_lookup_maps class.
2585         (Output_section:::add_script_input_section): Adjust code to use
2586         Output_section_lookup_maps class.  Update lookup maps for merge
2587         sections also.
2588         (Output_section::discard_states): Use Output_section_lookup_maps.
2589         (Output_section::restore_states): Same.
2590         * output.h (Merge_section_properties): Move class defintion out of
2591         Output_section.
2592         (Output_section_lookup_maps): New class.
2593         (Output_section::Input_section::is_merge_section): New method
2594         defintion.
2595         (Output_section::Input_section::relobj): Move defintion out of class
2596         defintion.  Declare method only.
2597         (Output_section::Input_section::shndx): Ditto.
2598         (Output_section::Input_section::output_merge_base): New method defintion.
2599         (Output_section::Input_section::u2_.pomb): New union field.
2600         (Output_section::Merge_section_by_properties_map,
2601         Output_section::Output_section_data_by_input_section_map,
2602         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
2603         Remove types.
2604         (Output_section::add_merge_input_section): Add new parameter
2605         KEEPS_INPUT_SECTIONS.
2606         (Output_section::build_lookup_maps): New method declaration.
2607         (Output_section::merge_section_map_,
2608         Output_section::merge_section_by_properties_map_,
2609         Output_section::relaxed_input_section_map_,
2610         Output_section::is_relaxed_input_section_map_valid_): Remove data
2611         members.
2612         (Output_section::lookup_maps_): New data member.
2613
2614 2010-05-21  Doug Kwan  <dougkwan@google.com>
2615
2616         PR gold/11619
2617         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
2618         avoid a compilation error.
2619
2620 2010-05-19  Rafael Espindola  <espindola@google.com>
2621
2622         * script-sections.cc (Output_section_definition::allocate_to_segment):
2623         Update the phdrs_list even when the output section is NULL.
2624         * testsuite/Makefile.am: Add test.
2625         * testsuite/Makefile.in: Regenerate.
2626         * testsuite/script_test_9.cc: New.
2627         * testsuite/script_test_9.sh: New.
2628         * testsuite/script_test_9.t: New.
2629
2630 2010-05-19  Doug Kwan  <dougkwan@google.com>
2631
2632         * arm.cc (Arm_input_section::original_size): New method.
2633         (Arm_input_section::do_addralign): Add a cast.
2634         (Arm_input_section::do_output_offset): Remove static cast.
2635         (Arm_input_section::original_addralign,
2636          Arm_input_section::original_size_): Change type to uint32_t.
2637         (Arm_input_section::init): Add safe casts for section alignment
2638         and size.
2639         (Arm_input_section::set_final_data_size): Do not set address and
2640         offset of stub table.
2641         (Arm_output_section::fix_exidx_coverage): Change use of of
2642         Output_section::Simple_input_section to that of
2643         Output_section::Input_section.
2644         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
2645         except for the first pass.
2646         * output.cc (Output_section::get_input_sections): Change type of
2647         input_sections to std::list<Input_section>.
2648         (Output_section::add_script_input_section): Rename from
2649         Output_section::add_simple_input_section.  Change type of SIS
2650         parameter from Simple_input_section to Input_section.
2651         * output.h (Output_section::Simple_input_section): Remove class.
2652         (Output_section::Input_section): Change class visibility to public.
2653         (Output_section::Input_section::addralign): Use stored alignments
2654         for special input sections if set.
2655         (Output_section::Input_section::set_addralign): New method.
2656         (Output_section::get_input_sections): Change parameter type from
2657         list of Simple_input_section to list of Input_section.
2658         (Output_section::add_script_input_section): Rename from
2659         Output_section::add_simple_input_section. Change first parameter's
2660         type from Simple_input_section to Input_section and remove the
2661         second and third parameters.
2662         * script-sections.cc (Input_section::Input_section_list): Change
2663         type to list of Output_section::Input_section/
2664         (Input_section_info::Input_section_info): Change parameter type of
2665         INPUT_SECTION to Output_section::Input_section.
2666         (Input_section_info::input_section): Change return type.
2667         (Input_section_info::input_section_): Change type to
2668         Output_section::Input_section.
2669         (Output_section_element_input::set_section_addresses): Adjust code
2670         to use Output_section::Input_section instead of
2671         Output_section::Simple_input_section.  Adjust code for renaming
2672         of Output_section::add_simple_input_section.
2673         (Orphan_output_section::set_section_addresses): Ditto.
2674
2675 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2676
2677         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
2678         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
2679
2680 2010-05-18  Rafael Espindola  <espindola@google.com>
2681
2682         * options.cc (General_options::finalize): Handle -nostdlib.
2683         * options.h (nostdlib): New option.
2684         * script.cc (script_add_search_dir): Handle -nostdlib.
2685
2686 2010-05-12  Doug Kwan  <dougkwan@google.com>
2687
2688         * arm.cc (Target_arm::do_finalize_sections): Create an empty
2689         attributes section only if there no attributes section after merging.
2690         (Target_arm::merge_object_attributes): Move value of
2691         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
2692         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
2693         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
2694         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
2695         and arm_attr_merge_7.stdout.
2696         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
2697         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
2698         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
2699         arm_attr_merge_7b.o): New rules.
2700         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
2701         arm_attr_merge_7
2702         * testsuite/Makefile.in: Regenerate.
2703         * testsuite/arm_attr_merge.sh: New file.
2704         * testsuite/arm_attr_merge_[67][ab].s: Same.
2705
2706 2010-05-05  Nick Clifton  <nickc@redhat.com>
2707
2708         * po/es.po: Updated Spanish translation.
2709
2710 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2711
2712         * Makefile.am (install-exec-local): Properly install gold as
2713         default cross linker.
2714         * Makefile.in: Regenerated.
2715
2716 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
2717             Nick Clifton  <nickc@redhat.com>
2718
2719         * configure.ac (install_as_default): Define and set to false
2720         unless --enable-gold or --enable-gold=both/gold has been
2721         specified.
2722         * configure: Regenerate.
2723
2724         * Makefile.am (install-exec-local): Install the executable as
2725         'ld.gold'.  If install_as_default is true then also install it as
2726         'ld'.
2727         * Makefile.in: Regenerated.
2728
2729 2010-04-24  Ian Lance Taylor  <iant@google.com>
2730
2731         * layout.cc (Layout::layout_reloc): In relocatable link don't
2732         combine reloc sections for grouped sections.
2733
2734 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
2735
2736         * gc.h (gc_process_relocs): Pass information on relocs pointing to
2737         sections that are not ordinary to icf.
2738         * icf.cc (get_section_contents): Handle relocation pointing to section
2739         with no object or shndx information.
2740         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
2741         * testsuite/Makefile.in: Regenerate.
2742         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
2743         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
2744
2745 2010-04-22  Ian Lance Taylor  <iant@google.com>
2746
2747         * expression.cc (Expression::Expression_eval_info): Add
2748         result_alignment_pointer field.
2749         (Expression::eval_with_dot): Add result_alignment_pointer
2750         parameter.  Change all callers.
2751         (Expression::eval_maybe_dot): Likewise.
2752         (class Binary_expression): Add alignment_pointer parameter to
2753         left_value and right_value.  Change all callers.
2754         (BINARY_EXPRESSION): Set result alignment.
2755         (class Trinary_expression): Add alignment_pointer parameter to
2756         arg2_value and arg3_value.  Change all callers.
2757         (Trinary_cond::value): Set result alignment.
2758         (Max_expression::value, Min_expression::value): Likewise.
2759         (Align_expression::value): Likewise.
2760         * script-sections.cc (class Sections_element): Add dot_alignment
2761         parameter to set_section_addresses virtual function.  Update
2762         instantiations.
2763         (class Output_section_element): Likewise.
2764         (Script_sections::create_segments): Add dot_alignment parameter.
2765         Change all callers.
2766         (Script_sections::create_segments_from_phdrs_clause): Likewise.
2767         (Script_sections::set_phdrs_clause_addresses): Likewise.
2768         * script-sections.h: Update declarations.
2769         * script.h: Update declarations.
2770         * output.h (Output_segment::set_minimum_p_align): Don't decrease
2771         min_p_align.
2772         * testsuite/script_test_3.t: Set large alignment.
2773         * testsuite/script_test_3.sh: Make sure that at least one LOAD
2774         segment has expected alignment.
2775
2776 2010-04-22  Nick Clifton  <nickc@redhat.com>
2777
2778         * po/gold.pot: Updated by the Translation project.
2779         * po/vi.po: Updated Vietnamese translation.
2780
2781 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
2782
2783         * testsuite/Makefile.am (check_PROGRAMS): Add
2784         icf_virtual_function_folding_test.
2785         * testsuite/Makefile.in: Regenerated.
2786
2787 2010-04-15  Andrew Haley  <aph@redhat.com>
2788
2789         * options.h (merge_exidx_entries): New option.
2790         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
2791         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
2792         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
2793         (Target_arm::merge_exidx_entries): New function.
2794         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
2795         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
2796         to Arm_exidx_fixup constructor.
2797         Add new arg, merge_exidx_entries.
2798         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
2799         Arm_output_section::fix_exidx_coverage.
2800
2801 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
2802
2803         * icf.cc (get_section_contents): Check for preemptible functions.
2804         Ignore addend when appropriate.
2805         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
2806         section folded.
2807         (add_from_relobj): Check for section folded.
2808         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
2809         * symtab.h (should_add_dynsym_entry): Add new parameter.
2810         * target-reloc.h (scan_relocs): Check for section folded.
2811         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
2812         Check reloc types for function pointers in shared objects.
2813         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
2814         case.
2815         (icf_preemptible_functions_test): New test case.
2816         (icf_string_merge_test): New test case.
2817         * testsuite.Makefile.in: Regenerate.
2818         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
2819         bar_glob.  Refactor code.
2820         * testsuite/icf_preemptible_functions_test.cc: New file.
2821         * testsuite/icf_preemptible_functions_test.sh: New file.
2822         * testsuite/icf_string_merge_test.cc: New file.
2823         * testsuite/icf_string_merge_test.sh: New file.
2824         * testsuite/icf_virtual_function_folding_test.cc: New file.
2825         * testsuite/icf_virtual_function_folding_test.sh: New file.
2826
2827 2010-04-14  Doug Kwan  <dougkwan@google.com>
2828
2829         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
2830         for local symbol recounting if we remove a section due to ICF.
2831         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
2832         there are no regular objects in input.
2833
2834 2010-04-13  Doug Kwan  <dougkwan@google.com>
2835
2836         * arm.cc (Arm_input_section::set_final_data_size): Compute
2837         accurate final data size instead of using current data size.
2838
2839 2010-04-09  Doug Kwan  <dougkwan@google.com>
2840
2841         * layout.cc (Layout::choose_output_section): Handle script section
2842         types.
2843         (Layout::make_output_section_for_script): Add section type parameter.
2844         Handle script section types.
2845         * layout.h (Layout::make_output_section_for_script): Add section
2846         type parameter.
2847         * output.cc (Output_section::Output_section): Initialize data member
2848         is_noload_.
2849         (Output_section::do_reset_address_and_file_offset): Do not set address
2850         to 0 if section is a NOLOAD section.
2851         * output.h (Output_section::is_noload): New method.
2852         (Output_section::set_is_noload): Ditto.
2853         (Output_section::is_noload_): New data member.
2854         * script-c.h (Script_section_type): New enum type.
2855         (struct Parser_output_section_header): Add new file section_type.
2856         * script-sections.cc (Sections_element::output_section_name): Add
2857         parameter for returning script section type.
2858         (Output_section_definition::output_section_name): Ditto.
2859         (Output_section_definition::section_type)P; New method.
2860         (Output_section_definiton::script_section_type_name): Ditto.
2861         (Output_section_definition::script_section_type_): New data member.
2862         (Output_section_definition::Output_section_definition): Initialize
2863         data member Output_section_definition::script_section_type_.
2864         (Output_section_definition::create_sections): Pass script section type
2865         to Layout::make_output_section_for_script.
2866         (Output_section_definition::output_section_name): Return script
2867         section type to caller.
2868         (Output_section_definition::set_section_address): Do not advance
2869         dot value and load address if section type is NOLOAD.  Set address
2870         of NOLOAD sections regardless of section flags.
2871         (Output_section_definition::print): Print section type if it is
2872         not SCRIPT_SECTION_TYPE_NONE.
2873         (Output_section_definition::section_type): New method.
2874         (Output_section_definition::script_section_type_name): Ditto.
2875         (Script_sections::output_section_name): Add new parameter
2876         PSECTION_TYPE for returning script section type.  Pass it to
2877         section elements.  Handle discard sections.
2878         (Sort_output_sections::operator()): Handle NOLOAD sections.
2879         * script-sections.h (Script_sections::Section_type): New enum type.
2880         (Script_sections::output_section_name): Add a new parameter for
2881         returning script section type.
2882         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
2883         INFO and NOLOAD.
2884         * yyscript.y (union): Add new field SECTION_TYPE.
2885         (COPY, DSECT, INFO, NOLOAD): New tokens.
2886         (opt_address_and_section_type): Change type to output_section_header.
2887         (section_type): New non-terminal
2888         (section_header): Handle section type.
2889         (opt_address_and_section_type): Return section type value.
2890
2891 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2892
2893         * testsuite/plugin_common_test_1.c (foo): Add prototype.
2894         * testsuite/plugin_common_test_2.c (foo): Likewise.
2895
2896 2010-04-08  Doug Kwan  <dougkwan@google.com>
2897
2898         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
2899         Output_merge_data.
2900         * output.cc (Output_section::add_merge_input_section): Simplify
2901         code and return status of Output_merge_base::add_input_section.
2902         Update merge section map only if Output_merge_base::add_input_section
2903         returns true.
2904
2905 2010-04-07  Doug Kwan  <dougkwan@google.com>
2906
2907         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
2908         if section is marked as containing instructions but has no mapping
2909         symbols.
2910         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
2911         correct section index.
2912         (Arm_relobj::find_linked_text_section): Ditto.
2913
2914 2010-04-07  Cary Coutant  <ccoutant@google.com>
2915
2916         * archive.cc (include_member): Destroy Read_symbols_data object before
2917         releasing file.
2918         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
2919         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
2920         (Read_symbols_data::~Read_symbols_data) New destructor.
2921         (Section_relocs::Section_relocs) New constructor.
2922         (Section_relocs::~Section_relocs) New destructor.
2923         (Read_relocs_data::Read_relocs_data) New constructor.
2924         (Read_relocs_data::~Read_relocs_data) New destructor.
2925         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
2926         pointers to NULL after deleting.
2927
2928 2010-04-07  Doug Kwan  <dougkwan@google.com>
2929
2930         * arm.cc: Replace "endianity" with "endianness" in comments.
2931         (Arm_exidx_cantunwind): Ditto.
2932         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
2933         (Arm_relobj::merge_flags_and_attributes): New method.
2934         (Arm_relobj::merge_flags_and_attributes_): New data member.
2935         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
2936         (Arm_relobj::scan_sections_for_stubs): Ditto.
2937         (Arm_relobj::do_read_symbols): Check to see if we really want to
2938         merge processor-specific flags and attributes.  Exit early if
2939         an object is empty except for section names and the undefined symbol.
2940         (Target_arm::do_finalize_sections): Move check for ELF format to
2941         Arm_relobj::do_read_symbols.  Merge processor specific flags and
2942         attributes from a regular object only when we have determined that
2943         it is aapropriate.  Do not create an .ARM.attributes section in
2944         output if there is no regular input object.
2945         (Target_arm::merge_processor_specific_flags): Check
2946         --warn-mismatch before printing any error.
2947         (Target_arm::merge_object_attributes): Ditto.
2948         * gold.cc (queue_middle_tasks): Handle the case in which there is
2949         no regular object in input.
2950         * options.cc (General_options::parse_EB): New method.
2951         (General_options::parse_EL): Same.
2952         (General_options::General_options): Initialize endianness_.
2953         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
2954         New options.
2955         (General_options::Endianness): New enum.
2956         (General_options::endianness): New method.
2957         (General_options::endianness_): New data member.
2958         * parameters.cc (Parameters::set_options): Check target endianness.
2959         (Parameters::set_target_once): Ditto.
2960         (Parameters::check_target_endianness): New method.
2961         (parameters_force_valid_target): If either -EL or -EB is specified,
2962         use it to define endianness of default target.
2963         * parameters.h (Parameters::check_target_endianness): New method
2964         declaration.
2965         * target.h (class Target): Change "endianity" to "endianness"
2966         in comments.
2967
2968 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2969
2970         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
2971         * configure: Regenerate.
2972         * Makefile.in: Regenerate.
2973         * testsuite/Makefile.in: Regenerate.
2974
2975 2010-04-06  Cary Coutant  <ccoutant@google.com>
2976
2977         gcc PR lto/42757
2978         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
2979         prevailing definitions of common symbols.
2980         * testsuite/plugin_test_6.sh: New test case.
2981         * testsuite/plugin_common_test_1.c: New test case.
2982         * testsuite/plugin_common_test_2.c: New test case.
2983         * testsuite/Makefile.am (plugin_test_6): New test case.
2984         * testsuite/Makefile.in: Regenerate.
2985
2986 2010-04-06  Nick Clifton  <nickc@redhat.com>
2987
2988         * po/vi.po: New Vietnamese translation.
2989
2990 2010-03-30  Doug Kwan  <dougkwan@google.com>
2991
2992         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
2993
2994 2010-03-25  Doug Kwan  <dougkwan@google.com>
2995
2996         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
2997         to avoid a conversion warning on a 32-bit host.
2998
2999 2010-03-24  Ian Lance Taylor  <iant@google.com>
3000
3001         * testsuite/script_test_3.t: Add a TLS segment.
3002         * testsuite/Makefile.am (check_PROGRAMS): Add
3003         tls_phdrs_script_test.
3004         (tls_phdrs_script_test_SOURCES): Define.
3005         (tls_phdrs_script_test_DEPENDENCIES): Define.
3006         (tls_phdrs_script_test_LDFLAGS): Define.
3007         (tls_phdrs_script_test_LDADD): Define.
3008         * testsuite/Makefile.in: Rebuild.
3009
3010 2010-03-23  Cary Coutant  <ccoutant@google.com>
3011
3012         * fileread.cc (find_or_make_view): Fix comment.
3013
3014 2010-03-23  Ian Lance Taylor  <iant@google.com>
3015
3016         * script-sections.cc (class Orphan_section_placement): Define
3017         PLACE_TLS and PLACE_TLS_BSS.
3018         (Orphan_section_placement::Orphan_section_placement): Initialize
3019         new places.
3020         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
3021         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
3022         (tls_script_test_SOURCES): Define.
3023         (tls_script_test_DEPENDENCIES): Define.
3024         (tls_script_test_LDFLAGS): Define.
3025         (tls_script_test_LDADD): Define.
3026         * testsuite/Makefile.in: Rebuild.
3027
3028 2010-03-22  Doug Kwan  <dougkwan@google.com>
3029
3030         * arm.cc (Arm_relocate_functions::abs8,
3031         Arm_relocate_functions::abs16): Use correct check for overflow
3032         specified in the ARM ELF specs.
3033         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
3034         target of a BLX instruction specially.
3035         (Reloc_stub::stub_type_for_reloc): Ditto.
3036         (Relocate::relocate): Use symbolic names instead of numeric relocation
3037         codes to report error.
3038         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
3039         workaround.
3040         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
3041         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
3042         thumb2_blx_out_of_range.stdout
3043         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
3044         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
3045         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
3046         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
3047         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
3048         thumb2_blx_in_range, thumb2_blx_in_range.o,
3049         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
3050         thumb2_blx_out_of_range.o): New rules.
3051         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
3052         thumb2_blx_in_range and thumb2_blx_out_of_range.
3053         * testsuite/Makefile.in: Regenerate.
3054         * arm_branch_in_range.sh: Add tests for THUMB BLX.
3055         * testsuite/thumb_blx_in_range.s: New file.
3056         * testsuite/thumb_blx_out_of_range.s: New file.
3057
3058 2010-03-22  Rafael Espindola  <espindola@google.com>
3059
3060         * archive.cc (Should_include): Move to archive.h.
3061         (should_include_member): Make it a member of Archive.
3062         (Lib_group): New.
3063         (Add_lib_group_symbols): New.
3064         * archive.h: Include options.h.
3065         (Archive_member): Moved from Archive.
3066         (Should_include): Moved from archive.cc.
3067         (Lib_group): New.
3068         (Add_lib_group_symbols): New.
3069         * dynobj.cc (do_should_include_member): New.
3070         * dynobj.h (do_should_include_member): New.
3071         * gold.cc (queue_initial_tasks): Update call to queue.
3072         * main.cc (main): Print lib group stats.
3073         * object.cc (do_should_include_member): New.
3074         * object.h: Include archive.h.
3075         (Object::should_include_member): New.
3076         (Object::do_should_include_member): New.
3077         (Sized_relobj::do_should_include_member): New.
3078         * options.cc (General_options::parse_start_lib): New.
3079         (General_options::parse_end_lib): New.
3080         (Input_arguments::add_file): Handle lib groups.
3081         (Input_arguments::start_group): Check we are not in a lib.
3082         (Input_arguments::start_lib): New.
3083         (Input_arguments::end_lib): New.
3084         * options.h (General_options): Add start_lib and end_lib.
3085         (Input_argument::lib_): New.
3086         (Input_argument::lib): New.
3087         (Input_argument::is_lib): New.
3088         (Input_file_lib): New.
3089         (Input_arguments::in_lib_): New.
3090         (Input_arguments::in_lib): New.
3091         (Input_arguments::start_lib): New.
3092         (Input_arguments::end_lib_): New.
3093         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
3094         in unused members as preempted.
3095         (Sized_pluginobj::do_should_include_member): New.
3096         * plugin.h (Sized_pluginobj::do_should_include_member): New.
3097         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
3098         return the blocker.
3099         (Read_symbols::do_whole_lib_group): New.
3100         (Read_symbols::do_lib_group): New.
3101         (Read_symbols::do_read_symbols): Handle lib groups.
3102         (Read_symbols::get_name): Handle lib groups.
3103         * readsyms.h (Read_symbols): Add an archive member pointer.
3104         (Read_symbols::do_whole_lib_group): New.
3105         (Read_symbols::do_lib_group): New.
3106         (Read_symbols::member_): New.
3107         * script.cc (read_input_script): Update call to queue_soon.
3108
3109 2010-03-19  Doug Kwan  <dougkwan@google.com>
3110
3111         * arm.cc (Stub_table::Stub_table): Initialize new data members
3112         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3113         (Stub_table::add_reloc_stub): Assign stub offset and update
3114         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
3115         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
3116         New data members.
3117         (Stub_table::update_data_size_and_addralign): Use
3118         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
3119         instead of going over all reloc stubs.
3120         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
3121         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3122         Stringpool_template::offset_ to size of Stringpool_char.
3123         (Stringpool_template::new_key_offset): Remove code to initialize
3124         Stringpool_template::offset_.
3125         * stringpool.h (Stringpool_template::set_no_zero_null): Set
3126         Stringpool_template::offset_ to zero.
3127
3128 2010-03-15  Doug Kwan  <dougkwan@google.com>
3129
3130         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
3131         offset_.
3132         (Stringpool_template::new_key_offset): New method.
3133         (Stringpool_template::add_string): Assign offsets when adding new
3134         strings.
3135         (Stringpool_template::set_string_offsets): Do not set string offsets
3136         when not optimizing.
3137         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
3138         member size_.
3139         (Chunked_vector::clear): Clear size_.
3140         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
3141         (Chunked_vector::size): Return size_.
3142         (Chunked_vector::push_back): Use size_ to find insert position.
3143         (Chunked_vector::size_): New data member.
3144         (Stringpool_template::set_no_zero_null): Assert string set is empty.
3145         (Stringpool_template::new_key_offset): New method declaration.
3146         (Stringpool_template::offset_): New data member.
3147
3148 2010-03-15   Rafael Espindola  <espindola@google.com>
3149
3150         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
3151         Add_symbols' constructor.
3152         * readsyms.h (Add_symbols): Remove the input_group member.
3153
3154 2010-03-10  Ian Lance Taylor  <iant@google.com>
3155
3156         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
3157         target to ask whether a reference to a symbol requires a stack
3158         split.
3159         * target.h (Target::is_call_to_non_split): New function.
3160         (Target::do_is_call_to_non_split): Declare virtual function.
3161         * target.cc: Include "symtab.h".
3162         (Target::do_is_call_to_non_split): New function.
3163         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
3164
3165 2010-03-10  Cary Coutant  <ccoutant@google.com>
3166
3167         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
3168         (File_read::open[1]): Remove initial mapping of whole_file_view_.
3169         (File_read::open[2]): Add whole_file_view_ to list of views.
3170         (File_read::make_view): Remove test of whole_file_view_.
3171         (File_read::find_or_make_view): Create whole_file_view_ if
3172         necessary.
3173         (File_read::clear_views): Replace bool parameter with enum;
3174         adjust all callers.  Don't delete views with permanent data;
3175         do delete cached views and views from archives if
3176         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
3177         if clearing the corresponding view.
3178         * fileread.h (File_read::Clear_views_mode): New enum.
3179         (File_read::View::is_permanent_view): New method.
3180         (File_read::clear_views): Replace bool parameter
3181         with enum; adjust all callers.
3182         * options.h (General_options): Change keep_files_mapped option;
3183         add map_whole_files.
3184         * readsyms.cc (Add_symbols::run): Delete sd_ object before
3185         releasing the file.
3186         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
3187         the file.
3188
3189 2010-03-10  David S. Miller  <davem@davemloft.net>
3190
3191         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
3192
3193 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
3194
3195         * icf.cc (get_section_contents): Add '@' marker after processing the
3196         merge reloc.
3197
3198 2010-03-08  Doug Kwan  <dougkwan@google.com>
3199
3200         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
3201         due to a conversion warning.
3202         (Arm_relobj::update_output_local_symbol_count): Check for local
3203         symbol with unset output index.
3204
3205 2010-03-05  Ian Lance Taylor  <iant@google.com>
3206
3207         * options.h (class General_options): Add --spare-dynamic-tags.
3208         * output.cc (Output_data_dynamic::set_final_data_size): Implement
3209         --spare-dynamic-tags.
3210
3211 2010-03-05  Ian Lance Taylor  <iant@google.com>
3212
3213         * incremental.cc: Include "libiberty.h".
3214
3215 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3216
3217         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
3218         function, is_info_ member.
3219         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
3220         (Versions::Versions): Update caller.
3221         (Versions::define_base_version): Likewise.
3222         (Versions::add_def): Likewise.
3223
3224 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
3225
3226         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
3227         (Scan::possible_function_pointer_reloc): New function.
3228         (Scan::local_reloc_may_be_function_pointer): Change to call
3229         possible_function_pointer_reloc.
3230         (Scan::global_reloc_may_be_function_pointer): Ditto.
3231         * icf.h (Icf::check_section_for_function_pointers): Change to reject
3232         relocations in ".data.rel.ro._ZTV" section.
3233         * testsuite/icf_safe_so_test.sh: Change to pass i386.
3234         * testsuite/icf_safe_so_test.cc: Ditto.
3235         * testsuite/icf_safe_test.cc: Ditto.
3236         * testsuite/icf_safe_test.sh: Ditto.
3237
3238 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3239             Ian Lance Taylor  <iant@google.com>
3240
3241         * target-reloc.h (relocate_section): Check the symbol table index
3242         for -1U before setting the local symbol index.
3243         (scan_relocatable_relocs): If copying the relocation, record that
3244         the local symbol is required.
3245         * object.h (Symbol_value::is_output_symtab_index_set): New
3246         function.
3247         (Symbol_value::may_be_discarded_from_output_symtab): New
3248         function.
3249         (Symbol_value::has_output_symtab_entry): New function.
3250         (Symbol_value::needs_output_symtab_entry): Remove.
3251         (Symbol_value::output_symtab_index): Make sure the symbol index is
3252         set.
3253         (Symbol_value::set_output_symtab_index): Make sure the symbol
3254         index is not set.  Make sure the new index is valid.
3255         (Symbol_value::set_must_have_output_symtab_entry): New function.
3256         (Symbol_value::has_output_dynsym_entry): New function.
3257         (Symbol_value::set_output_dynsym_index): Make sure the new index
3258         is valid.
3259         (Sized_relobj::set_must_have_output_symtab_entry): New function.
3260         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
3261         local symbol if permitted.
3262         (Sized_relobj::do_finalize_local_symbols): Call
3263         is_output_symtab_index_set rather than needs_output_symtab_entry.
3264         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
3265         rather than needs_output_symtab_entry.  Call
3266         has_output_dynsym_entry rather than needs_output_dynsym_entry.
3267         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
3268         is_output_symtab_index_set rather than needs_output_symtab_entry.
3269         * testsuite/discard_locals_relocatable_test.c: New file.
3270         * testsuite/discard_locals_test.sh: Test -r.
3271         * testsuite/Makefile.am (check_DATA): Add
3272         discard_locals_relocatable_test1.syms,
3273         discard_local_relocatable_test2.syms.
3274         (MOSTLYCLEANFILES): Likewise.  Also add
3275         discard_locals_relocatable_test1.lout and
3276         discard_locals_relocatable_test2.out.
3277         (discard_locals_relocatable_test1.syms): New target.
3278         (discard_locals_relocatable_test.o): New target.
3279         (discard_locals_relocatable_test1.out): New target.
3280         (discard_locals_relocatable_test2.syms): New target.
3281         (discard_locals_relocatable_test2.out): New target.
3282         (various): Add missing ../ld-new dependencies.
3283         * testsuite/Makefile.in: Rebuild.
3284
3285 2010-03-03  Nick Clifton  <nickc@redhat.com>
3286
3287         * po/fi.po: New Finnish translation.
3288
3289 2010-03-01  Doug Kwan  <dougkwan@google.com>
3290
3291         * layout.cc (Layout::Layout): Force section types of .init_array*,
3292         .preinit_array* and .fini_array* sections.
3293         * output.cc (Output_section::Input_section_sort_entry::has_priority):
3294         Fix check of return value of std::string::find.().
3295         (Output_section::Input_section_sort_compare::operator()): Remove
3296         comment about .init_array.
3297         (Output_section::Input_section_sort_init_fini_compare::operator()):
3298         New method.
3299         (Output_section::sort_attached_input_sections): Handle .init_array
3300         and .fini_array specially.
3301         * output.h (Output_section::Inut_section_sort_compare): Update
3302         comment.
3303         (Output_section::Input_section_sort_init_fini_compare): New struct.
3304
3305 2010-02-26  Doug Kwan  <dougkwan@google.com>
3306
3307         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
3308         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
3309         * testsuite/debug_msg.sh: Avoid matching source line number for
3310         use of global variable undef_int.
3311
3312 2010-02-26  Doug Kwan  <dougkwan@google.com>
3313
3314         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
3315         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
3316         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
3317         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
3318         * options.cc (General_options::General_options): Initialize member
3319         fix_v4bx_.
3320         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
3321         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
3322         and rm_no_fix_v4bx.stdout
3323         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
3324         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
3325         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
3326         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
3327         and arm_no_fix_v4bx.
3328         * Makefile.in: Regenerate.
3329         * testsuite/arm_fix_v4bx.s: New file.
3330         * testsuite/arm_fix_v4bx.sh: Ditto.
3331
3332 2010-02-24  Doug Kwan  <dougkwan@google.com>
3333
3334         * arm.cc (Target_arm::got_section): Make the .got section the first
3335         non RELRO section in the data segment.
3336         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
3337         suffixes of section names.
3338
3339 2010-02-24  Doug Kwan  <dougkwan@google.com>
3340
3341         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
3342         flags and attributes merging if an input file is a binary file.
3343         * fileread.cc (Input_file::open): Record format of original file.
3344         * fileread.h (Input_file::Format): New enum type.
3345         (Input_file::Input_file): Initialize data member format_.
3346         (Input_file::format): New method definition.
3347         (Input_file::format_):: New data member.
3348
3349 2010-02-24  Doug Kwan  <dougkwan@google.com>
3350
3351         * arm.cc (Arm_output_data_got): New class.
3352         (ARM_TCB_SIZE): New constant
3353         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
3354         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
3355         If user uses a script with a SECTIONS clause, issue only a warning
3356         for a misplaced EXIDX input section.  Otherwise, issue an error.
3357         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
3358         garbage collection.
3359         (Target_arm::got_mode_index_entry): Handle static linking.
3360         (Target_arm::Scan::local): Ditto.
3361         (Target_arm::Scan::global): Ditto.
3362         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
3363         all incorrectly implemented relocations.
3364         (Target_arm::fix_exidx_coverage): Pass layout to
3365         Arm_output_section::fix_exidx_coverage.
3366         * layout.cc (Layout::section_name_mapping): Remove trailing dots
3367         from ".ARM.exidx." and ".ARM.extab.".
3368
3369 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3370
3371         * arm.cc (Target_arm::do_finalize_sections): Create attribute
3372         section if it does not already exist.
3373         * attributes.cc (Attributes_section_data::Attributes_section_data):
3374         Don't crash if size is zero.
3375
3376 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3377             Ian Lance Taylor  <iant@google.com>
3378
3379         * gold.cc (queue_middle_tasks): If no input files were opened,
3380         exit.
3381         * workqueue.h (Task_function::Task_function): Assert that there is
3382         a blocker.
3383
3384 2010-02-22  Doug Kwan  <dougkwan@google.com>
3385
3386         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
3387         * icf.cc (get_section_contents): Cast snprintf arguments to long long
3388         types to avoid warnings due to different uint64_t implementations
3389         on different hosts.
3390
3391 2010-02-21  Doug Kwan  <dougkwan@google.com>
3392
3393         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
3394         handling of the maximum backward branch offset.
3395         (Arm_relocate_functions::thumb_branch_common): Ditto.
3396         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
3397         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
3398         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
3399         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
3400         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
3401         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
3402         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
3403         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
3404         thumb_bl_out_of_range thumb_bl_out_of_range.o,
3405         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
3406         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
3407         thumb2_bl_out_of_range.o): New rules.
3408         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
3409         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
3410         thumb2_bl_out_of_range
3411         * testsuite/Makefile.in: Regenerate.
3412         * testsuite/arm_bl_in_range.s: New file.
3413         * testsuite/arm_bl_out_of_range.s: Ditto.
3414         * testsuite/arm_branch_in_range.sh: Ditto.
3415         * testsuite/arm_branch_range.t: Ditto.
3416         * testsuite/thumb2_branch_range.t: Ditto.
3417         * testsuite/thumb_bl_in_range.s: Ditto.
3418         * testsuite/thumb_bl_out_of_range.s: Ditto.
3419         * testsuite/thumb_branch_range.t: Ditto.
3420
3421 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
3422
3423         * gc.h (gc_process_relocs): Change vectors to point to the new list.
3424         Add reloc offset information.
3425         * icf.cc (get_section_contents): Change iterators to point to the new
3426         vectors. Add reloc offset information to the contents.
3427         * icf.h (Icf::Sections_reachable_info): New typedef.
3428         (Icf::Sections_reachable_list): New typedef.
3429         (Icf::Offset_info): New typedef.
3430         (Icf::Reloc_info): New struct typedef.
3431         (Icf::Reloc_info_list): New typedef.
3432         (Icf::symbol_reloc_list): Delete method.
3433         (Icf::addend_reloc_list): Delete method.
3434         (Icf::section_reloc_list): Delete method.
3435         (Icf::reloc_info_list): New method.
3436         (Icf::reloc_info_list_): New member.
3437
3438 2010-02-19  Doug Kwan  <dougkwan@google.com>
3439
3440         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
3441         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
3442         * arm.cc (Arm_relocation_functions): New forward declaration.
3443         (Target_arm::Target_arm): Initialize new data members
3444         got_mod_index_offset_ and tls_base_symbol_defined_.
3445         (Target_arm::Relocate::relocate_tls): New method.
3446         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
3447          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
3448         New methods.
3449         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
3450         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
3451         (Target_arm::got_mod_index_offset_,
3452         Target_arm::tls_base_symbol_defined_): New data members.
3453         (Target_arm::Scan::local, Target::Scan::global,
3454         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
3455         relocations.
3456
3457 2010-02-18  Doug Kwan  <dougkwan@google.com>
3458
3459         * arm.cc (Arm_relobj::find_linked_text_section): New method.
3460         (Arm_relobj::make_exidx_input_section): Pass section index of linked
3461         text section as a parameter becuase some broken tools may not set
3462         the link in section header.
3463         (Target_arm::has_got_section): New method.
3464         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
3465         without any mapping symbol as data only.  Remove warning.
3466         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
3467         link in its section header, try to discover the link by inspecting the
3468         REL31 relocation at the beginning of the section.
3469         (Target_arm::Scan::check_non_pic): Report name of offending relocation
3470         in error message.
3471         (Target_arm::Scan::global): Treat any reference to the symbol
3472         _GLOBAL_OFFSET_TABLE_ as a GOT access.
3473
3474 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
3475
3476         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
3477         (Scan::global_reloc_may_be_function_pointer): New function.
3478         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3479         (Scan::global_reloc_may_be_function_pointer): New function.
3480         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
3481         (Scan::global_reloc_may_be_function_pointer): New function.
3482         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
3483         (Scan::global_reloc_may_be_function_pointer): New function.
3484         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
3485         (Scan::global_reloc_may_be_function_pointer): New function.
3486         (Scan::possible_function_pointer_reloc): New function.
3487         (Target_x86_64::can_check_for_function_pointers): New function.
3488         * gc.h (gc_process_relocs): Scan relocation types to determine if
3489         function pointers were taken for targets that support it.
3490         * icf.cc (Icf::find_identical_sections): Include functions for
3491         folding in safe ICF whose pointer is not taken.
3492         * icf.h (Secn_fptr_taken_set): New typedef.
3493         (fptr_section_id_): New member.
3494         (section_has_function_pointers): New function.
3495         (set_section_has_function_pointers): New function.
3496         (check_section_for_function_pointers): New function.
3497         * options.h: Fix comment for safe ICF option.
3498         * target.h (can_check_for_function_pointers): New function.
3499         * testsuite/Makefile.am: Add icf_safe_so_test test case.
3500         Modify icf_safe_test for X86-64.
3501         * testsuite/Makefile.in: Regenerate.
3502         * testsuite/icf_safe_so_test.cc: New file.
3503         * testsuite/icf_safe_so_test.sh: New file.
3504         * testsuite/icf_safe_test.cc (kept_func_3): New function.
3505         (main): Change to take pointer to function kept_func_3.
3506         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
3507         folding is done correctly for X86-64.
3508
3509 2010-02-12  David S. Miller  <davem@davemloft.net>
3510
3511         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
3512         is_symbolless parameter.
3513         (Output_reloc<SHT_REL>::is_symbolless): New.
3514         (Output_reloc<SHT_REL>::is_symbolless_): New.
3515         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
3516         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
3517         (Output_reloc<SHT_RELA>::is_symbolless): New.
3518         (Output_data_reloc::add_global): Handle is_symbolless.
3519         (Output_data_reloc::add_global_relative): Likewise.
3520         (Output_data_reloc::add_local): Likewise.
3521         (Output_data_reloc::add_local_relative): Likewise.
3522         (Output_data_reloc::add_symbolless_global_addend): New.
3523         (Output_data_reloc::add_symbolless_local_addend): New.
3524         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
3525         is_symbolless.
3526         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
3527         instead of ->is_relative_
3528         (Output_reloc::write): Likewise.
3529         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
3530         (Output_reloc::write_rel): Simplify.
3531
3532         * sparc.cc (Target_sparc::Scan::local): Use
3533         ->add_symbolless_local_addend as needed.
3534         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
3535         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
3536         based upon relocation offset.
3537
3538 2010-02-11  Doug Kwan  <dougkwan@google.com>
3539
3540         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
3541         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
3542         beginning of function.
3543         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
3544         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
3545         parameter is_32bit in calls to should_apply_static_reloc.
3546         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
3547         (check_DATA): Add arm_abs_global.stdout.
3548         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
3549         arm_abs_global.stdout): New rules.
3550         (MOSTLLYCLEANFILES): Add arm_abs_global
3551         * Makefile.in: Regenerate.
3552         * testsuite/arm_abs_global.s: New file.
3553         * testsuite/arm_abs_global.sh: Ditto.
3554         * testsuite/arm_abs_lib.s: Ditto.
3555
3556 2010-02-11  Ian Lance Taylor  <iant@google.com>
3557
3558         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
3559         Read_relocs task.
3560         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
3561         Allocate_commons_task first.
3562         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
3563         task, rather than symtab_lock_.
3564         (Gc_process_relocs::~Gc_process_relocs): New function.
3565         (Gc_process_relocs::is_runnable): Check this_blocker_.
3566         (Gc_process_relocs::locks): Use next_blocker_ rather than
3567         blocker_.
3568         (Scan_relocs::~Scan_relocs): New function.
3569         (Scan_relocs::is_runnable): Check this_blocker_ rather than
3570         symtab_lock_.
3571         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
3572         next_blocker_.
3573         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
3574         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
3575         constructor accordingly.
3576         (class Gc_process_relocs): Likewise.
3577         (class Scan_relocs): Likewise.
3578         * common.h (class Allocate_commons_task): Remove symtab_lock_
3579         field, and corresponding constructor parameter.
3580         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
3581         symtab_lock_.
3582         (Allocate_commons_task::locks): Likewise.
3583
3584 2010-02-11  Ian Lance Taylor  <iant@google.com>
3585
3586         * gold-threads.h (class Once): Define.
3587         (class Initialize_lock): Rewrite as child of Once.
3588         * gold-threads.cc (class Once_initialize): Define.
3589         (once_pointer_control): New static variable.
3590         (once_pointer, once_arg): New static variables.
3591         (c_run_once): New static function.
3592         (Once::Once, Once::run_once, Once::internal_run): New functions.
3593         (class Initialize_lock_once): Remove.
3594         (initialize_lock_control): Remove.
3595         (initialize_lock_pointer): Remove.
3596         (initialize_lock_once): Remove.
3597         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
3598         (Initialize_lock::initialize): Rewrite.
3599         (Initialize_lock::do_run_once): New function.
3600         * archive.cc (Archive::interpret_header): Only clear name if it is
3601         not already empty.
3602         * fileread.cc: Include "gold-threads.h"
3603         (file_counts_lock): New static variable.
3604         (file_counts_initialize_lock): Likewise.
3605         (File_read::release): Only increment counts when using --stats.
3606         Use a lock around the increment.
3607         * parameters.cc (class Set_parameters_target_once): Define.
3608         (set_parameters_target_once): New static variable.
3609         (Parameters::Parameters): Move here from parameters.h.
3610         (Parameters::set_target): Rewrite.
3611         (Parameters::set_target_once): New function.
3612         (Parameters::clear_target): Move here and rewrite.
3613         * parameters.h (class Parameters): Update declarations.  Add
3614         set_parameters_target_once_ field.
3615         (Parameters::Parameters): Move to parameters.cc.
3616         (Parameters::clear_target): Likewise.
3617         * readsyms.cc (Read_symbols::do_group): Create a Start_group
3618         task.
3619         (Start_group::~Start_group): New function.
3620         (Start_group::is_runnable): New function.
3621         (Start_group::locks, Start_group::run): New functions.
3622         (Finish_group::run): Change saw_undefined to size_t.
3623         * readsyms.h (class Start_group): Define.
3624         (class Finish_group): Change saw_undefined_ field to size_t.
3625         (Finish_group::Finish_group): Remove saw_undefined and
3626         this_blocker parameters.  Change all callers.
3627         (Finish_group::set_saw_undefined): New function.
3628         (Finish_group::set_blocker): New function.
3629         * symtab.h (class Symbol_table): Change saw_undefined to return
3630         size_t.  Change saw_undefined_ field to size_t.
3631         * target-select.cc (Set_target_once::do_run_once): New function.
3632         (Target_selector::Target_selector): Initialize set_target_once_
3633         field.  Don't initialize lock_ and initialize_lock_ fields.
3634         (Target_selector::instantiate_target): Rewrite.
3635         (Target_selector::set_target): New function.
3636         * target-select.h (class Set_target_once): Define.
3637         (class Target_selector): Update declarations.  Make
3638         Set_target_once a friend.  Remove lock_ and initialize_lock_
3639         fields.  Add set_target_once_ field.
3640
3641 2010-02-10  Ian Lance Taylor  <iant@google.com>
3642
3643         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
3644         queueing any tasks.
3645         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
3646         (queue_middle_tasks): Add all blockers before queueing any tasks.
3647         (queue_final_tasks): Likewise.
3648         * token.h (Task_token::add_blockers): New function.
3649         * object.h (Input_objects::number_of_relobjs): New function.
3650
3651 2010-02-10  Ian Lance Taylor  <iant@google.com>
3652
3653         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
3654         shared, not if not position independent.
3655         * x86_64.cc (Relocate::relocate_tls): Likewise.
3656         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
3657         (tls_pie_pic_test): New target.
3658         * testsuite/Makefile.in: Rebuild.
3659
3660         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
3661         (tls_test_main_pie.o, tls_test_pie.o): New targets.
3662         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
3663         * testsuite/Makefile.in: Rebuild.
3664
3665 2010-02-09  David S. Miller  <davem@davemloft.net>
3666
3667         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
3668         R_SPARC_RELATIVE using ->add_local_relative().
3669         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
3670
3671         * output.h (Output_data_dynamic::add_section_size): New method
3672         that takes two Output_data objects.
3673         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
3674         entry param.  Handle it in initializers.
3675         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
3676         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
3677         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
3678         arg.
3679         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
3680         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
3681         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
3682         for dynrel_includes_plt.
3683         * i386.cc (Target_i386::do_finalize_sections): Likewise.
3684         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3685         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
3686         before .rela.plt
3687         (Target_sparc::do_finalize_sections): Update to pass true for
3688         dynrel_includes_plt.
3689         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
3690         output before .rela.plt
3691         (Target_powerpc::do_finalize_sections): Update to pass true for
3692         dynrel_includes_plt when 32-bit.
3693
3694 2010-02-08  Doug Kwan  <dougkwan@google.com>
3695
3696         * arm.cc (Arm_relobj::simple_input_section_output_address): New
3697         method.
3698         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
3699         Arm_relobj::scan_section_for_cortex_a8_stubs,
3700         Arm_relobj::do_relocation_section): Instead of calling
3701         Output_section::output_address, use faster
3702         Arm_relobj::simple_input_section_output_address.
3703
3704 2010-02-08  David S. Miller  <davem@davemloft.net>
3705
3706         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
3707         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
3708         relocation helper function.
3709
3710         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
3711         just like R_SPARC_GOT{10,13,22}.
3712         (Target_sparc::Scan::local): Likewise.
3713         (Target_sparc::Relocate:relocate): Likewise.
3714
3715 2010-02-06  Ian Lance Taylor  <iant@google.com>
3716
3717         * configure.ac: Rewrite targetobjs duplicate removal code to use
3718         only shell constructs.
3719         * configure: Rebuild.
3720
3721 2010-02-05  Doug Kwan  <dougkwan@google.com>
3722
3723         PR 11247
3724         * arm.cc (Arm_relobj::section_is_scannable): New method.
3725         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
3726         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
3727
3728 2010-02-04  Doug Kwan  <dougkwan@google.com>
3729
3730         PR 11247
3731         * arm-reloc-property.cc (cstdio): Include.
3732         * configure.ac (targetobjs): Remove duplicates.
3733         * configure: Regenerate.
3734         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
3735         big and little endian version for a given address size.
3736
3737 2010-02-03  Doug Kwan  <dougkwan@google.com>
3738
3739         * arm-reloc-property.cc
3740         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3741         definition.
3742         * arm-reloc-property.h
3743         (Arm_reloc_property_table::get_implemented_static_reloc_property):
3744         New method definition.
3745         (Arm_reloc_property_table::reloc_name_in_error_message): New method
3746         declaration.
3747         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
3748         overflow to N.
3749         (GOT_PREL): Change implemented to Y.
3750         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
3751         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
3752         (Arm_relocate_functions::movw_abs_nc): Remove method.
3753         (Arm_relocate_functions::movt_abs): Ditto.
3754         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
3755         (Arm_relocate_functions::thm_movt_abs): Ditto.
3756         (Arm_relocate_functions::movw_rel_nc): Ditto.
3757         (Arm_relocate_functions::movw_rel): Ditto.
3758         (Arm_relocate_functions::movt_rel): Ditto.
3759         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
3760         (Arm_relocate_functions:thm_movw_rel): Ditto.
3761         (Arm_relocate_functions:thm_movt_rel): Ditto.
3762         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
3763         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
3764         New method definitions.
3765         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
3766         (Arm_relocation_functions::arm_grp_ldr): Ditto.
3767         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
3768         (Arm_relocation_functions::arm_grp_ldc): Ditto.
3769         (Target_arm::Relocate::relocate): Check for non-static or
3770         unimplemented relocation code and exit early.  Change calls to
3771         Target_arm::reloc_uses_thumb_bit and
3772         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
3773         instead.  Refactor code to handle similar relocations to increase
3774         code sharing.  Remove check for unsupported relocation code in switch
3775         statement.
3776         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
3777         relocation property table to find out size.  Change error message to
3778         print out the name of a relocation code instead of the numeric value.
3779         (Target_arm::scan_reloc_for_stub): Use relocation property table
3780         instead of calling Target_arm::reloc_uses_thumb_bit().
3781
3782 2010-02-02  Doug Kwan  <dougkwan@google.com>
3783
3784         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
3785         types of relaxed input section.
3786
3787 2010-02-02  Doug Kwan  <dougkwan@google.com>
3788
3789         * Makefile.am (HFILES): Add arm-reloc-property.h.
3790         (DEFFILES): New.
3791         (TARGETSOURCES): Add arm-reloc-property.cc
3792         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
3793         (libgold_a_SOURCES): $(DEFFILES)
3794         * Makefile.in: Regenerate.
3795         * arm-reloc-property.cc: New file.
3796         * arm-reloc-property.h: New file.
3797         * arm-reloc.def: New file.
3798         * arm.cc: Update comments.
3799         (arm-reloc-property.h): New included header.
3800         (arm_reloc_property_table): New global variable.
3801         (Target_arm::do_select_as_default_target): New method definition.
3802         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
3803         arm-reloc-property to targ_extra_obj.
3804         * parameters.cc (set_parameters_target): Call
3805         Target::select_as_default_target().
3806         * target.h (Target::select_as_default_target): New method definition.
3807         (Target::do_select_as_default_target): Same.
3808
3809 2010-02-01  Doug Kwan  <dougkwan@google.com>
3810
3811         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
3812         first_output_text_section_.
3813         (Arm_exidx_fixup::first_output_text_section): New method definition.
3814         (Arm_exidx_fixup::first_output_text_section_): New data member.
3815         (Arm_exidx_fixup::process_exidx_section): Record the first text
3816         output section seen.
3817         (Arm_output_section::fix_exidx_coverage): Set correct linked section
3818         and entsize in output section header.
3819
3820 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3821
3822         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
3823         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
3824         (Arm_relocate_functions::thm_alu11): New Method.
3825         (Arm_relocate_functions::thm_pc8): New Method.
3826         (Arm_relocate_functions::thm_pc12): New Method.
3827         (Target_arm::Scan::local): Handle the relocations.
3828         (Target_arm::Scan::global): Likewise.
3829         (Target_arm::Relocate::relocate): Likewise.
3830         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3831
3832 2010-01-29  Doug Kwan  <dougkwan@google.com>
3833
3834         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
3835         of relocation types as ld.
3836
3837 2010-01-29  Doug Kwan  <dougkwan@google.com>
3838
3839         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
3840         to public.
3841         (Arm_relocate_functions::thumb_branch_common): Ditto.
3842         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
3843         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
3844         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
3845         Arm_relocate_functions::jump24): Remove.
3846         (Target_arm::Relocate::relocate): Adjust code to call
3847         Arm_relocation_functions::arm_branch_common and
3848         Arm_relocation_functions::thumb_branch_common instead of their removed
3849         wrappers.  Merge switch-cases together to reduce source code size.
3850
3851 2010-01-29  Doug Kwan  <dougkwan@google.com>
3852
3853         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
3854         output_local_symbol_count_needs_update_.
3855         (Arm_relobj::output_local_symbol_count_needs_update,
3856          Arm_relobj::set_output_local_symbol_count_needs_update,
3857          Arm_relobj::update_output_local_symbol_count): New methods.
3858         (Arm_relobj::output_local_symbol_count_needs_update_): New data
3859         member.
3860         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
3861         of pointed function as in a R_ARM_PREL31 relocation.
3862         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
3863         for output local symbol count updating.
3864         (Target_arm::do_relax): Update output local symbol counts in objects
3865         if necessary.
3866         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
3867
3868 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3869
3870         * arm.cc: Added support for the ARM relocations:
3871         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
3872         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
3873         (Arm_relocate_functions::movw_rel_nc): Renamed (was
3874         movw_prel_nc).
3875         (Arm_relocate_functions::movw_rel): New method.
3876         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
3877         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
3878         thm_movw_prel_nc).
3879         (Arm_relocate_functions::thm_movw_rel): New method.
3880         (Arm_relocate_functions::thm_movt_rel): Renamed (was
3881         thm_movt_prel).
3882         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
3883         relocations.
3884         (Target_arm::Scan::global): Likewise.
3885         (Target_arm::Relocate::relocate): Likewise.
3886         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3887         Likewise.
3888
3889 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3890
3891         * arm.cc: Added support for ARM group relocations.
3892         (Target_arm::reloc_needs_sym_origin): New method.
3893         (Arm_relocate_functions::calc_grp_kn): New method.
3894         (Arm_relocate_functions::calc_grp_residual): New method.
3895         (Arm_relocate_functions::calc_grp_gn): New method.
3896         (Arm_relocate_functions::arm_grp_alu): New Method.
3897         (Arm_relocate_functions::arm_grp_ldr): New Method.
3898         (Arm_relocate_functions::arm_grp_ldrs): New Method.
3899         (Arm_relocate_functions::arm_grp_ldc): New Method.
3900         (Target_arm::Scan::local): Handle the ARM group relocations.
3901         (Target_arm::Scan::global): Likewise.
3902         (Target_arm::Relocate::relocate): Likewise.
3903         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3904         Likewise.
3905
3906 2010-01-26  Doug Kwan  <dougkwan@google.com>
3907
3908         * arm.cc (set): Include.
3909         (class Arm_exidx_fixup): Change type of last_input_section_ to const
3910         pointer type.
3911         (Arm_output_section::Text_section_list): New type.
3912         (Arm_output_section::append_text_sections_to_list): New method.
3913         (Arm_output_section::fix_exidx_coverage): Ditto.
3914         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
3915         (Arm_relobj::convert_input_section_to_relaxed_section): Use
3916         Relobj::set_section_offset() instead of
3917         Sized_relobj::invalidate_section_offset().
3918         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
3919         parameter for section headers. Ignore relocation sections for
3920         unallocated sections and EXIDX sections.
3921         (Target_arm::fix_exidx_coverage): New method.
3922         (Target_arm::output_section_address_less_than): New type.
3923         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
3924         linked text section instead of the EXIDX section.
3925         (Arm_output_section::create_stub_group): Add an assertion to check
3926         that this is not an EXIDX output section.
3927         (Arm_output_section::append_text_sections_to_list): New method.
3928         (Arm_output_section::fix_exidx_coverage): Ditto.
3929         (Arm_relobj::scan_sections_for_stubs): Adjust call to
3930         Arm_relobj::section_needs_reloc_stub_scanning.
3931         (Target_arm::do_relax): Fix EXIDX output section coverage in the
3932         first pass.
3933         (Target_arm::fix_exidx_coverage): New method.
3934         * object.h (Relobj::set_output_section): New method.
3935         (Sized_relobj::invalidate_section_offset): Remove method.
3936         (Sized_relobj::do_invalidate_section_offset): Remove method.
3937         (Sized_relobj::do_set_section_offset): Handle offset value -1.
3938
3939 2010-01-25  Doug Kwan  <dougkwan@google.com>
3940
3941         * arm.cc (Arm_exidx_merged_section::do_output_offset):
3942         Fix warning due to signed and unsigned comparison on a 32-bit host.
3943
3944 2010-01-22  Doug Kwan  <dougkwan@google.com>
3945
3946         * arm.cc (Target_arm::do_relax): Record an output section for section
3947         offset adjustment it contains any stub table that has changed.
3948         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
3949         offsets in an output section if necessary.
3950         * output.cc (Output_section::Output_section): Initialize
3951         section_offsets_need_adjustments_.
3952         (Output_section::add_input_section_for_script): Renamed to
3953         Output_section::add_simple_input_section.
3954         (Output_section::save_states): Add a comment.
3955         (Output_section::discard_states): New method defintion.
3956         (Output_section::adjust_section_offsets): Same.
3957         * output.h (Output_section::add_input_section_for_script): Renamed to
3958         Output_section::add_simple_input_section.
3959         (Output_section::discard_states): New method declaration.
3960         (Output_section::adjust_section_offsets): Same.
3961         (Output_section::section_offsets_need_adjustment,
3962         Output_section::set_section_offsets_need_adjustment): New method
3963         definitions.
3964         (Output_section::section_offsets_need_adjustment_): New data member.
3965         * script-sections.cc
3966         (Output_section_element_input::set_section_address): Adjust code for
3967         renaming of Output_section::add_input_section_for_script.
3968         (Orphan_output_section::set_section_address): Same.
3969
3970 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3971
3972         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
3973         Fix_v4bx enum values .
3974         * gold/options.h (General_options): New option definitions.
3975         (General_options::fix_v4bx): New method.
3976         (General_options::Fix_v4bx): New enum.
3977         * gold/options.cc (General_options::parse_fix_v4bx): New method.
3978         (General_options::parse_fix_v4bx_interworking): New method.
3979
3980 2010-01-22  Doug Kwan  <dougkwan@google.com>
3981
3982         * arm.cc (Arm_exidx_fixup): New class.
3983
3984 2010-01-21  Doug Kwan  <dougkwan@google.com>
3985
3986         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
3987         classes.
3988         (Arm_exidx_section_offset_map): New type.
3989
3990 2010-01-21  Doug Kwan  <dougkwan@google.com>
3991
3992         * arm.cc (Arm_exidx_input_section): New class.
3993         (Arm_relobj::exidx_input_section_by_link,
3994         Arm_relobj::exidx_input_section_by_shndx,
3995         Arm_relobj::make_exidx_input_section): New methods.
3996         (read_arm_attributes_section): Remove.
3997         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
3998         information about them.
3999         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
4000         to here.
4001
4002 2010-01-20  Doug Kwan  <dougkwan@google.com>
4003
4004         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
4005         Input_section_specifier to Section_id.
4006         (Target_arm::new_arm_input_section: Adjust code for change of key
4007         type.
4008         (Target_arm::find_arm_input_section): Ditto.
4009         * gc.h (object.h): Include for Section_id nand Section_id_hash.
4010         (Section_id): Remove.
4011         (Garbage_collection::Section_id_hash): Remove.
4012         * icf.h (object.h): Include for Section_id nand Section_id_hash.
4013         (Section_id): Remove.
4014         (Icf::Section_id_hash): Remove.
4015         * object.h (Section_id, Const_section_id, Section_id_hash,
4016         Const_section_id_hash): New type definitions.
4017         * output.cc (Output_section::add_relaxed_input_section): Change to
4018         use Const_section_id instead of Input_section_specifier as key type.
4019         (Output_section::add_merge_input_section): Ditto.
4020         (Output_section::build_relaxation_map): Change to use Section_id
4021         instead of Input_section_specifier as key type.
4022         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4023         Ditto.
4024         (Output_section::convert_input_sections_to_relaxed_sections): Change
4025         to use Const_section_id instead of Input_section_specifier as key type.
4026         (Output_section::find_merge_section): Ditto.
4027         (Output_section::find_relaxed_input_section): Ditto.
4028         * output.h (Input_section_specifier): Remove class.
4029         (Output_section::Output_section_data_by_input_section_map): Change
4030         key type to Const_section_id.
4031         (Output_section::Output_relaxed_input_section_by_input_section_map):
4032         Ditto.
4033         (Output_section::Relaxation_map): Change key type to Section_id.
4034
4035 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4036
4037         * gold/arm.cc: Added support for R_ARM_V4BX relocation
4038         (class Arm_v4bx_stub): New class.
4039         (DEF_STUBS): Updated definition to support v4_veneer_bx.
4040         (Stub_factory::make_arm_v4bx_stub): New method.
4041         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
4042         (Stub_table::empty): Handle v4bx stubs.
4043         (Stub_table::add_arm_v4bx_stub): New method.
4044         (Stub_table::find_arm_v4bx_stub): New method.
4045         (Arm_relocate_functions::v4bx): New method.
4046         (Target_arm::fix_v4bx): New method.
4047         (Target_arm::Target_arm): Handle R_ARM_V4BX.
4048         (Stub_table::relocate_stubs): Likewise.
4049         (Stub_table::do_write): Likewise.
4050         (Stub_table::update_data_size_and_addralign): Likewise.
4051         (Stub_table::finalize_stubs):  Likewise.
4052         (Target_arm::Scan::local): Likewise.
4053         (Target_arm::Scan::global): Likewise.
4054         (Target_arm::do_finalize_sections): Likewise.
4055         (Target_arm::Relocate::relocate): Likewise.
4056         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4057         Likewise.
4058         (Target_arm::scan_reloc_for_stub): Likewise.
4059         (Target_arm::scan_reloc_section_for_stubs): Likewise.
4060
4061 2010-01-19  Ian Lance Taylor  <iant@google.com>
4062
4063         * output.cc (Output_section_headers::do_sized_write): Write large
4064         segment count to sh_info field.
4065         (Output_file_header::do_sized_write): For large segment count,
4066         write PN_XNUM to e_phnum field.
4067
4068 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4069
4070         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
4071         (Arm_relocate_functions::thm_jump8): New function.
4072         (Arm_relocate_functions::thm_jump11): New function.
4073         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
4074         R_ARM_THM_JUMP11.
4075         (Target_arm::Scan::global): Likewise.
4076         (Target_arm::Relocate::relocate): Likewise.
4077         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4078         Likewise.
4079
4080 2010-01-14  Doug Kwan  <dougkwan@google.com>
4081
4082         * arm.cc (map, utility): Include headers.
4083         (Target_arm::apply_cortex_a8_workaround): New method.
4084         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
4085         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
4086         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
4087         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
4088         the --[no-]fix-cortex-a8 command line options.
4089         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
4090         (Target_arm::relocate_stub): Use addend in instruction template.
4091         * options.h (DEFINE_bool): Set the user-set flag.
4092         (General_options): Add --[no-]-fix-cortex options.
4093         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
4094         : Update fast look-up map after conversion.
4095
4096 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
4097
4098         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
4099         in the first pass of do_layout.
4100
4101 2010-01-13  Doug Kwan  <dougkwan@google.com>
4102
4103         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4104         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
4105         apparent compiler problem of not folding static constant integral
4106         data members of elfcpp::Elf_sizes<32>.
4107
4108 2010-01-13  Doug Kwan  <dougkwan@google.com>
4109
4110         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
4111         Arm_relobj::section_needs_cortex_a8_stub_scanning,
4112         Arm_relobj::scan_section_for_cortex_a8_erratum,
4113         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
4114         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
4115         sections to scan for relocation stubs into a new method
4116         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
4117         relocation and Cortex-A8 stub scanning.
4118         (Target_arm::do_relax): Force stubs to be after stubbed sections
4119         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
4120         the beginning of a new relaxation pass.  Update a comment.
4121         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
4122
4123 2010-01-12  Ian Lance Taylor  <iant@google.com>
4124
4125         * target-reloc.h (visibility_error): New inline function.
4126         (relocate_section): Call visibility_error.
4127         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
4128         (MOSTLYCLEANFILES): Likewise.
4129         (protected_4_pic.o, protected_3.err): New targets.
4130         * testsuite/protected_4.cc: New file.
4131
4132 2010-01-12  Doug Kwan  <dougkwan@google.com>
4133
4134         * arm.cc (Cortex_a8_reloc): New class.
4135         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
4136         and cortex_a8_relocs_info_.
4137         (Target_arm::fix_cortex_a8): New method definition.
4138         (Target_arm::Cortex_a8_relocs_info): New type.
4139         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
4140         New data member declarations.
4141         (Target_arm::scan_reloc_for_stub): Record information about
4142         relocations for THUMB branches that might be exempted from the
4143         Cortex-A8 workaround.
4144         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
4145         at the beginning of a relaxation pass.
4146
4147 2010-01-12  Doug Kwan  <dougkwan@google.com>
4148
4149         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
4150         (Arm_relobj::Mapping_symbol_position,
4151          Arm_reloj::Mapping_symbol_position_less,
4152          Arm_relobj::Mapping_symbols_info): New types.
4153         (Target_arm::is_mapping_symbol_name): New method definition.
4154         (Arm_relobj::do_count_local_symbols): Save information about mapping
4155         symbols.
4156
4157 2010-01-11  Doug Kwan  <dougkwan@google.com>
4158
4159         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
4160         Arm_relocate_functions::thumb32_branch_upper,
4161         Arm_relocate_functions::thumb32_branch_lower,
4162         Arm_relocate_functions::thumb32_cond_branch_offset,
4163         Arm_relocate_functions::thumb32_cond_branch_upper,
4164         Arm_relocate_functions::thumb32_cond_branch_lower,
4165         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
4166         branch offset encoding.
4167         (Arm_relocate_functions::thumb_branch_common): Use new branch
4168         offset encoding methods to avoid code duplication.
4169         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
4170         (Stub_addend_reader::operator()): Use new branch encoding method
4171         to avoid code duplication.
4172
4173 2010-01-11  Doug Kwan  <dougkwan@google.com>
4174
4175         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
4176         (Target_arm::do_finalize_sections): Define special EXIDX section
4177         symbols only if referenced.
4178         * gc.h (Garbage_collection::add_reference): New method.
4179         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
4180         code duplication.
4181
4182 2010-01-11  Ian Lance Taylor  <iant@google.com>
4183
4184         * script.cc (Version_script_info::build_expression_list_lookup):
4185         Change complaing about duplicate wildcard match from error to
4186         warning.
4187
4188         * script.cc (class Lazy_demangler): Recreate--revert part of patch
4189         of 2009-12-30.
4190         (Version_script_info::Version_script_info): Initialize globs_,
4191         default_version_, default_is_global_, and exact_.  Don't
4192         initialize globals_ or locals_.
4193         (Version_script_info::build_lookup_tables): Build local symbols
4194         first.
4195         (Version_script_info::unquote): New function.
4196         (Version_script_info::add_exact_match): New function.
4197         (Version_script_info::build_expression_list_lookup): Remove lookup
4198         parameter.  Add is_global parameter.  Change all callers.  Handle
4199         wildcard pattern specially.  Unquote pattern.  Call
4200         add_exact_match.
4201         (Version_script_info::get_name_to_match): New function.
4202         (Version_script_info::get_symbol_version): New function.
4203         (Version_script_info::get_symbol_version_helper): Remove.
4204         (Version_script_info::check_unmatched_names): Call unquote.
4205         * script.h (class Version_script_info): Change get_symbol_version
4206         to be non-inline and add is_global parameter; change all callers.
4207         Rewrite symbol_is_local.  Update declarations.  Define struct
4208         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
4209         Remove globals_ and locals_ members.  Add exact_, globs_,
4210         default_version_, is_global_.
4211         (Version_script_info::Glob): Remove pattern, add expression and
4212         is_global.  Update constructor.  Change all callers.
4213         * dynobj.cc (Versions::finalize): Mark the version symbol as the
4214         default version.
4215         (Versions::symbol_section_contents): If a symbol is undefined, or
4216         defined in a dynamic object, set the version index to
4217         VER_NDX_LOCAL.
4218         * symtab.cc (Symbol_table::add_from_relobj): Don't call
4219         symbol_is_local.
4220         (Symbol_table::add_from_pluginobj): Likewise.
4221         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
4222
4223 2010-01-11  Doug Kwan  <dougkwan@google.com>
4224
4225         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
4226         (incremental_dump_LDADD): Add linking option for libintl.
4227         * Makefile.in: Regenerate.
4228
4229 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
4230
4231         PR gold/11144
4232         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
4233         instead of -Ds.
4234         * testsuite/Makefile.in: Regenerated.
4235
4236 2010-01-10  Doug Kwan  <dougkwan@google.com>
4237
4238         * options.h (DEFINE_var): Use parentheses around argument varname__
4239         in macro body to avoid any unintended subsequent substitutions.
4240
4241 2010-01-10  Ian Lance Taylor  <iant@google.com>
4242
4243         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
4244         candidates before doing symbol resolution.
4245
4246         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
4247         ODR candidates if only one is weak.
4248
4249 2010-01-08  Ian Lance Taylor  <iant@google.com>
4250
4251         * script.cc (Version_script_info::build_expression_list_lookup):
4252         Don't warn about ambiguous version, just record the ambiguity.
4253         (Version_script_info::get_symbol_version_helper): Give error if
4254         version is ambiguous.
4255
4256 2010-01-08  Doug Kwan  <dougkwan@google.com>
4257
4258         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
4259           prev_data_size_ and prev_addralign_.  Remove initializer for
4260           deleted data member has_been_changed_.
4261           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
4262           to determine if the table is empty.
4263           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
4264           Remove.
4265           (Stub_table::add_reloc_stub): Define method in class definition
4266           instead of just declaring it there.
4267           (Stub_table::add_cortex_a8_stub): New method definition.
4268           (Stub_table::update_data_size_and_addralign): Ditto.
4269           (Stub_table::finalize_stubs): Ditto.
4270           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
4271           (Stub_table::do_addralign_): Return address alignment in the
4272           (Stub_table::do_reset_address_and_file_offset): Define method in
4273           class definition instead of declaring it there.  Set current data
4274           size to be the data size of the previous pass.
4275           (Stub_table::set_final_data_size): Use current data size as the
4276           final data size.
4277           (Stub_table::relocate_stub): Change parameter type of stub from
4278           Reloc_stub pointer to Stub pointer.
4279           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
4280           (Stub_table::Cortex_a8_stub_list): New typedef.
4281           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
4282            Stub_table::prev_addralign_): New data member.
4283           (Arm_relobj::Arm_relobj): Initialize data member
4284           section_has_cortex_a8_workaround_.
4285           (Arm_relobj::section_has_cortex_a8_workaround,
4286            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
4287            definitions.
4288           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
4289           declarations.
4290           (Target_arm::relocate_stub): Change parameter type of stub from
4291           Reloc_stub pointer to Stub pointer.
4292           (Insn_template::size, Insn_template::alignment): Handle
4293           THUMB16_SPECIAL_TYPE.
4294           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
4295            Stub_table::update_data_size_and_addralign,
4296            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
4297           definitions.
4298           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
4299           (Stub_table::do_write): Ditto.
4300           (Target_arm::do_relax): Adjust code for changes in Stub_table.
4301
4302 2010-01-08  Ian Lance Taylor  <iant@google.com>
4303
4304         PR 11108
4305         * symtab.h (class Symbol): Remove fields is_target_special_ and
4306         has_plt_offset_.  Add field is_defined_in_discarded_section_.
4307         (Symbol::is_defined_in_discarded_section): New function.
4308         (Symbol::set_is_defined_in_discarded_section): New function.
4309         (Symbol::has_plt_offset): Rewrite.
4310         (Symbol::set_plt_offset): Verify that new offset is not -1U.
4311         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
4312         Don't initialize is_target_special_ or has_plt_offset_.
4313         Initialize is_defined_in_discarded_section_.
4314         (Symbol_table::add_from_relobj): If appropriate, set
4315         is_defined_in_discarded_section.
4316         * resolve.cc (Symbol::override_base_with_special): Don't test
4317         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
4318         * target-reloc.h (relocate_section): Do special handling for
4319         symbols defined in discarded sections for global symbols as well
4320         as local symbols.
4321
4322 2010-01-08  Ian Lance Taylor  <iant@google.com>
4323
4324         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
4325         the SHT_SYMTAB case.
4326
4327 2010-01-08  Ian Lance Taylor  <iant@google.com>
4328
4329         * object.cc (Sized_relobj::do_layout): Don't get confused if
4330         layout_eh_frame returns NULL.
4331
4332 2010-01-08  Ian Lance Taylor  <iant@google.com>
4333
4334         PR 11084
4335         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
4336         dynamic symbol table, use the normal symbol table.
4337         (Sized_dynobj::do_read_symbols): Remove assertion about type of
4338         symbol table.
4339
4340 2010-01-08  Ian Lance Taylor  <iant@google.com>
4341
4342         PR 11072
4343         * layout.cc (Layout::include_section): Remove .gnu_debuglink
4344         sections.
4345
4346 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
4347
4348         * version.cc (print_version): Change to "Copyright 2010".
4349
4350 2010-01-08  Ian Lance Taylor  <iant@google.com>
4351
4352         PR 10287
4353         PR 11063
4354         * i386.cc (class Target_i386): Change return type of plt_section
4355         to be non-const.
4356         (class Output_data_plt_i386): Add tls_desc_rel_ field.
4357         (Output_data_plt_i386::Output_data_plt_i386): Initialize
4358         tls_desc_rel_ field.
4359         (Output_data_plt_i386::rel_tls_desc): New function.
4360         (Target_i386::rel_tls_desc_section): New function.
4361         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
4362         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
4363         R_386_TLS_DESC reloc in rel_tls_desc_section.
4364         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
4365         Define struct Tlsdesc_info.
4366         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
4367         (Target_x86_64::do_reloc_symbol_index): New function.
4368         (Target_x86_64::add_tlsdesc_info): New function.
4369         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
4370         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
4371         tlsdesc_rel_ field.
4372         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
4373         all callers.
4374         (Output_data_plt_x86_64::rela_tlsdesc): New function.
4375         (Target_x86_64::rela_tlsdesc_section): New function.
4376         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
4377         handling.
4378         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
4379         (Target_x86_64::do_reloc_addend): New function.
4380         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
4381         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
4382         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
4383         (Output_reloc::type): New function.
4384         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
4385         (Output_reloc::is_target_specific): New function.
4386         (Output_reloc::target_arg): New function.
4387         (class Output_reloc) [SHT_RELA]: Add four new constructors for
4388         absolute relocs and target specific relocs.
4389         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
4390         add_target_specific.
4391         (class Output_data_reloc) [SHT_RELA]: Likewise.
4392         * output.cc (Output_reloc::Output_reloc): Add four new versions
4393         for absolute relocs and target specific relocs.
4394         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
4395         (Output_reloc::get_symbol_index): Likewise.
4396         (Output_reloc::local_section_offset): Check that local_sym_index_
4397         is not TARGET_CODE or 0.
4398         (Output_reloc::symbol_value): Likewise.
4399         (Output_reloc::write) [SHT_RELA]: Call target for target specific
4400         reloc.
4401         * target.h (class Target): Add reloc_symbol_index and reloc_addend
4402         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
4403         functions.
4404         * layout.cc (add_target_dynamic_tags): Use output section for
4405         DT_PLTRELSZ and DT_JMPREL.
4406
4407 2010-01-07  Ian Lance Taylor  <iant@google.com>
4408
4409         PR 11061
4410         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
4411         function.
4412         (class Output_data_reloc_generic): Define.
4413         (class Output_data_reloc_base): Change base class to
4414         Output_data_reloc_generic.  Change add() method to call
4415         bump_relative_reloc_count for a relative reloc.  Remove
4416         sort_relocs_ field.
4417         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
4418         to sort_relocs().
4419         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
4420         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
4421         appropriate.
4422         * layout.h (class Layout): Update declaration.
4423
4424 2010-01-07  Ian Lance Taylor  <iant@google.com>
4425
4426         * output.h (class Output_data): Add const version of
4427         output_section and do_output_section.
4428         (class Output_section_data): Add const version of
4429         do_output_section.
4430         (class Output_section): Likewise.
4431         * layout.cc (Layout::add_target_dynamic_tags): New function.
4432         * layout.h (class Layout): Update declarations.
4433         * arm.cc (Target_arm::do_finalize_sections): Use
4434         add_target_dynamic_tags.
4435         * i386.cc (Target_i386::do_finalize_sections): Likewise.
4436         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
4437         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
4438         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4439
4440 2010-01-07  Ian Lance Taylor  <iant@google.com>
4441
4442         PR 11042
4443         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
4444         object as needed.
4445
4446 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
4447             Ian Lance Taylor  <iant@google.com>
4448
4449         PR 11019
4450         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
4451         Xindex::read_symtab_xindex.
4452
4453 2010-01-07  Doug Kwan  <dougkwan@google.com>
4454
4455         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
4456         (Insn_template::thumb16_bcond_insn): New method declaration.
4457         (Insn_template): Fix spelling.
4458         (Stub::thumb16_special): New method declaration.
4459         (Stub::do_write): Define virtual method which was previously pure
4460         virtual.
4461         (Stub::do_thumb16_special): New method declaration.
4462         (Stub::do_fixed_endian_write): New template member.
4463         (Reloc_stub::do_write): Remove.
4464         (Reloc_stub::do_fixed_endian_write): Remove.
4465         (Cortex_a8_stub): New class definition.
4466         (Stub_factory::make_cortex_a8_stub): New method definition.
4467         (Stub_factory::Stub_factory): Add missing static storage class
4468         qualifier for elf32_arm_stub_a8_veneer_blx.
4469
4470 2010-01-07  Ian Lance Taylor  <iant@google.com>
4471
4472         PR 10980
4473         * options.h (class General_options): Add --warn-unresolved-symbols
4474         and --error-unresolved-symbols.
4475         * errors.cc (Errors::undefined_symbol): Implement
4476         --warn-unresolved-symbols.
4477
4478         * options.h (class General_options): Add -z text and -z textoff.
4479         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
4480
4481 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
4482
4483         * gc.h (Garbage_collection::Cident_section_map): New typedef.
4484         (Garbage_collection::cident_sections): New function.
4485         (Garbage_collection::add_cident_section): New function.
4486         (Garbage_collection::cident_sections_): New member.
4487         (gc_process_relocs): Add references to sections whose names are C
4488         identifiers.
4489         * gold.h (cident_section_start_prefix): New constant.
4490         (cident_section_stop_prefix): New constant.
4491         (is_cident): New function.
4492         * layout.cc (Layout::define_section_symbols): Replace string constants
4493         with the newly defined constants.
4494         * object.cc (Sized_relobj::do_layout): Track sections whose names are
4495         C identifiers.
4496         * testsuite/Makefile.am: Add gc_orphan_section_test.
4497         * testsuite/Makefile.in: Regenerate.
4498         * testsuite/gc_orphan_section_test.cc: New file.
4499         * testsuite/gc_orphan_section_test.sh: New file.
4500
4501 2010-01-06  Ian Lance Taylor  <iant@google.com>
4502
4503         PR 10980
4504         * options.h (class General_options): Add --warn-shared-textrel.
4505         * layout.cc (Layout::finish_dynamic_section): Implement
4506         --warn-shared-textrel.
4507
4508         PR 10980
4509         * options.h (class General_options): Add --warn-multiple-gp.
4510
4511 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4512
4513         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
4514         $(THREADSLIB) and $(LIBDL).
4515         * Makefile.in: Rebuild.
4516
4517 2010-01-06  Ian Lance Taylor  <iant@google.com>
4518
4519         PR 10980
4520         * options.cc (General_options::parse_section_start): New function.
4521         (General_options::section_start): New function.
4522         (General_options::General_options): Initialize all members.
4523         * options.h: Include <map>
4524         (class General_options): Add --section-start.  Add section_starts_
4525         member.
4526         * layout.cc (Layout::attach_allocated_section_to_segment): If
4527         --section-start was used, set the address of the segment.  Remove
4528         local sort_sections.
4529         (Layout::relaxation_loop_body): If the address of the load segment
4530         has been set by --section-start, don't use it.
4531         * output.h (Output_segment::update_flags_for_output_section): New
4532         function.
4533         * output.cc (Output_segment::add_output_section): Call
4534         update_flags_for_output_section.
4535
4536 2010-01-05  Ian Lance Taylor  <iant@google.com>
4537
4538         PR 10980
4539         * options.h (class General_options): Add --undefined-version.
4540         * script.cc (struct Version_expression): Add was_matched_by_symbol
4541         field.
4542         (Version_script_info::matched_symbol): New function.
4543         (Version_script_info::get_symbol_version_helper): Call
4544         matched_symbol.
4545         (Version_script_info::check_unmatched_names): New function.
4546         * script.h (class Version_script_info): Update declarations.
4547         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
4548
4549         * options.h (class General_options): Use DEFINE_bool_alias for
4550         allow_multiple_definition.
4551         * resolve.cc (Symbol_table::should_override): Don't test
4552         allow_multiple_definition.
4553
4554         PR 10980
4555         * options.h (class General_options): Add --cref.
4556         * main.cc (main): Print cref table if --cref.  Don't close mapfile
4557         until after printing cref table.
4558         * cref.cc: Include "symtab.h".
4559         (class Cref_inputs): Define Cref_table_compare and Cref_table.
4560         (Cref_table_compare::operator()): New function.
4561         (Cref_inputs::gather_cref): New function.
4562         (filecol): New static const.
4563         (Cref_inputs::print_cref): New function.
4564         (Cref::print_cref): New function.
4565         * cref.h: Include <cstdio>.
4566         (class Cref): Update declarations.
4567         * mapfile.h (Mapfile::file): New function.
4568         * object.h (class Object): Define Symbols.  Declare virtual
4569         do_get_global_symbols.
4570         (Object::get_global_symbols): New function.
4571         * object.cc (Input_objects::add_object): Pass object to cref_ if
4572         --cref.
4573         (Input_objects::archive_start): Likewise.
4574         (Input_objects::archive_stop): Likewise.
4575         (Input_objects::print_cref): New function.
4576         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
4577         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
4578         --cref.
4579         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
4580         function.
4581         * plugin.h (class Sized_pluginobj): Update declarations.
4582
4583 2010-01-05  Ian Lance Taylor  <iant@google.com>
4584
4585         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
4586         to is_default_version.  Rename insdef to insdefault.
4587         (Symbol_table::add_from_relobj): Rename def to is_default_version
4588         and local to is_forced_local.
4589         (Symbol_table::add_from_pluginobj): Likewise.
4590         (Symbol_table::add_from_dynobj): Likewise.
4591         (Symbol_table::define_special_symbol): Rename insdef to
4592         insdefault.
4593
4594 2010-01-04  Ian Lance Taylor  <iant@google.com>
4595
4596         PR 10980
4597         * options.h (class General_options): Add
4598         --allow-multiple-definition and -z muldefs.
4599         * resolve.cc (Symbol_table::should_override): Don't warn about a
4600         multiple symbol definition if --allow-multiple-definition or -z
4601         muldefs.
4602
4603         PR 10980
4604         * options.h (class General_options): Add --add-needed and
4605         --copy-dt-needed-entries.  Tweak --as-needed help entry.
4606         * object.cc (Input_objects::check_dynamic_dependencies): Give an
4607         error if --copy-dt-needed-entries aka --add-needed is used and
4608         would cause a change in behaviour.
4609
4610         PR 10980
4611         * options.h (class General_options): Add -G as a short version of
4612         --shared.  Add no-op options -assert, -g, and -i.
4613
4614 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
4615
4616         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
4617         check for .text or .gnu.linkonce.t sections.
4618         * icf.cc (Icf::find_identical_sections): Ditto.
4619         Change the detection for mangled function name within the section
4620         name.
4621         * icf.h (is_section_foldable_candidate): New function.
4622
4623 2009-12-30  Ian Lance Taylor  <iant@google.com>
4624
4625         PR 10980
4626         * options.h (class General_options): Permit two dashes with
4627         --retain-symbols-file.
4628
4629 2009-12-30  Ian Lance Taylor  <iant@google.com>
4630
4631         PR 10979
4632         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
4633         don't put the file header and segment headers in the text
4634         segment.
4635
4636         PR 10979
4637         * common.cc (Sort_commons::operator()): Stabilize sort when both
4638         entries are NULL.
4639         (Symbol_table::do_allocate_commons_list): When allocating common
4640         symbols, skip a symbol which is no longer common.
4641         * symtab.h (Symbol::is_common): Test whether the symbol comes from
4642         an object before checking its type.
4643         * testsuite/common_test_2.c: New file.
4644         * testsuite/common_test_3.c: New file.
4645         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
4646         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
4647         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
4648         (common_test_2_pic.o, common_test_2.so): New targets.
4649         (common_test_3_pic.o, common_test_3.so): New targets.
4650         * testsuite/Makefile.in: Rebuild.
4651
4652         PR 10979
4653         * script.cc (read_input_script): If we see a new SECTIONS clause,
4654         and we have added an input section, give an error.
4655         * layout.h (class Layout): Add have_added_input_section function.
4656         Add have_added_input_section_ field.
4657         * layout.cc (Layout::Layout): Initialize
4658         have_added_input_section_.
4659         (Layout::layout): Set have_added_input_section_.
4660         (Layout::layout_eh_frame): Likewise.
4661
4662 2009-12-30  Ian Lance Taylor  <iant@google.com>
4663
4664         PR 10931
4665         * options.h (class General_options): Add --sort-common option.
4666         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
4667         * common.cc (Sort_common): Add sort_order parameter to
4668         constructor.  Add sort_order_ field.
4669         (Sort_commons::operator): Check sort_order_.
4670         (Symbol_table::allocate_commons): Determine the sort order.
4671         (Symbol_table::do_allocate_commons): Add sort_order parameter.
4672         Change all callers.
4673         (Symbol_table::do_allocate_commons_list): Likewise.
4674
4675 2009-12-30  Ian Lance Taylor  <iant@google.com>
4676
4677         PR 10916
4678         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
4679         symbols from this object, don't change the visibility of an
4680         undefined symbol.
4681         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
4682
4683 2009-12-30  Ian Lance Taylor  <iant@google.com>
4684
4685         PR 10861
4686         * script.h (class Version_script_info): Define Language enum.
4687         Update declarations.  Define Glob, Exact, and Lookup types.  Add
4688         new fields globals_, locals_, and is_finalized_.
4689         * script.cc: Various formatting fixes.
4690         (class Parser_closure): Change language_stack_ from a vector of
4691         std::string to one of Version_script_info::Language.  Adjust all
4692         uses accordingly.
4693         (class Lazy_demangler): Remove.
4694         (struct Version_expression): Change language from std::string to
4695         Version_script_info::Language.
4696         (Version_script_info::Version_script_info): New function.
4697         (Version_script_info::~Version_script_info): Don't call clear.
4698         (Version_script_info::finalize): New function.
4699         (Version_script_info::build_lookup_tables): New function.
4700         (Version_script_info::build_expression_list_lookup): New
4701         function.
4702         (Version_script_info::get_symbol_version_helper): Rewrite to use
4703         lookup tables.
4704         (Version_script_info::print_expression_list): Adjust to use
4705         Version_script_info::Language.
4706         (script_push_lex_into_version_mode): Check that the version script
4707         has not been finalized.
4708         (version_script_push_lang): Change language string to
4709         Version_script_info::Language.
4710         * options.cc (Command_line::version_script): New function.
4711         * options.h (class General_options): Add finalize_dynamic_list
4712         function.  Change version_script from declaration to definition.
4713         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
4714         * testsuite/version_script.map: Remove duplicate def of foo.
4715         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
4716         version_script.map.
4717         * testsuite/Makefile.in: Rebuild.
4718
4719 2009-12-30  Ian Lance Taylor  <iant@google.com>
4720
4721         PR 10843
4722         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
4723         if the input symbol index is 0, make the output symbol index 0.
4724
4725 2009-12-30  Ian Lance Taylor  <iant@google.com>
4726
4727         PR 10670
4728         * options.h (class General_options): Add -x/--discard-all.
4729         * object.cc (Sized_relobj::do_count_local_symbols): Handle
4730         --discard-all.  If the local symbol needs a dynamic entry, check
4731         that before handling --discard-locals.
4732
4733 2009-12-30  Ian Lance Taylor  <iant@google.com>
4734
4735         PR 10450
4736         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
4737         flags to PF_R.
4738         (Output_segment::add_output_section): Don't change the flags if
4739         the type is PT_TLS.
4740
4741         PR 10450
4742         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
4743         GNU hash table if they need a dynamic value.  Otherwise, don't add
4744         them if they are defined in a dynamic object or are forced local.
4745
4746 2009-12-29  Ian Lance Taylor  <iant@google.com>
4747
4748         PR 10450
4749         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
4750         .gnu.hash table for a 32-bit target.
4751
4752         PR 10450
4753         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
4754         regular and a dynamic object only needs a dynamic symbol table
4755         entry if it is externally visible.
4756
4757         PR 10450
4758         * i386.cc (class Target_i386): Initialize global_offset_table_ in
4759         constructor.  Add global_offset_table_ field.
4760         (Target_i386::got_section): Set global_offset_table_.
4761         (Target_i386::do_finalize_sections): Set global_offset_table_
4762         size.
4763         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
4764         in constructor.  Add global_offset_table_ field.
4765         (Target_x86_64::got_section): Set global_offset_table_.
4766         (Target_x86_64::do_finalize_sections): Set global_offset_table_
4767         size.
4768
4769         * layout.cc (Layout::Layout): Initialize increase_relro_.
4770         (Layout::get_output_section): Add is_relro, is_last_relro, and
4771         is_first_non_relro parameters.  Change all callers.
4772         (Layout::choose_output_section): Likewise.
4773         (Layout::add_output_section_data): Likewise.
4774         (Layout::make_output_section): Likewise.
4775         (Layout::set_segment_offsets): Clear increase_relro when using a
4776         linker script.
4777         * layout.h (class Layout): Add increase_relro method.  Add
4778         increase_relro_ field.  Update declarations.
4779         * output.cc (Output_section::Output_section): Initialize
4780         is_last_relro_ and is_first_non_relro_.
4781         (Output_segment::add_output_section): Group relro sections is
4782         do_sort is true.  Handle is_last_relro and is_first_non_relro.
4783         (Output_segment::maximum_alignment): Remove relro handling.
4784         (Output_segment::set_section_addresses): Add increase_relro
4785         parameter.  Change all callers.  Add initial alignment to align
4786         relro sections on separate page.  Remove old relro handling.
4787         (Output_segment::set_section_list_addresses): Remove in_relro
4788         parameter.  Change all callers.
4789         (Output_segment::set_offset): Add increase parameter.  Change all
4790         callers.  Remove old relro handling.
4791         * output.h (class Output_section): Add new methods: is_last_relro,
4792         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
4793         Add is_last_relro_ and is_first_non_relro_ fields.
4794         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
4795         Create separate .got.plt section.  Call increase_relro.
4796         * x86_64.cc (Target_x86_64::got_section): Likewise.
4797         * testsuite/relro_script_test.t: Add .got.plt.
4798
4799         PR 10450
4800         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
4801         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
4802         (Layout::finalize): Call set_dynamic_symbol_size.
4803         (Layout::set_dynamic_symbol_size): New function.
4804         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
4805         set_dynamic_symbol_size.
4806
4807         PR 10450
4808         * output.h (class Output_section): Add is_entsize_zero_ field.
4809         * output.cc (Output_section::Output_section): Initialize
4810         is_entsize_zero_.
4811         (Output_section::set_entsize): If two different entsizes are
4812         requested, force it to zero.
4813         (Output_section::add_input_section): Set flags for .debug_str
4814         before updating section flags.  Set entsize.
4815         (Output_section::update_flags_for_input_section): Set SHF_MERGE
4816         and SHF_STRING if all input sections have those flags.
4817
4818 2009-12-29   Rafael Espindola  <espindola@google.com>
4819
4820         * main.cc (main): Fix the sys time reporting.
4821         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
4822         reporting.
4823
4824 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
4825
4826         * options.cc (General_options::parse_version): Allow -v to exit
4827         without an error if there is nothing to link.
4828
4829 2009-12-29  Ian Lance Taylor  <iant@google.com>
4830
4831         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
4832         using a version of gcc before 4.1.
4833         * configure: Rebuild.
4834
4835 2009-12-28  Chris Demetriou  <cgd@google.com>
4836
4837         * attributes.cc (Output_attributes_section_data::do_write): Use
4838         std::vector::front rather than std::vector::data.
4839
4840 2009-12-28  Ian Lance Taylor  <iant@google.com>
4841
4842         * symtab.h (class Symbol_table): Add enum Defined.
4843         * resolve.cc (Symbol_table::should_override): Add defined
4844         parameter.  Change all callers.  Test whether object is NULL
4845         before calling a method on it.
4846         (Symbol_table::report_resolve_problem): Add defined parameter.
4847         Change all callers.
4848         (Symbol_table::should_override_with_special): Likewise.
4849         * symtab.cc (Symbol_table::define_in_output_data): Add defined
4850         parameter.  Change all callers.
4851         (Symbol_table::do_define_in_output_data): Likewise.
4852         (Symbol_table::define_in_output_segment): Likewise.
4853         (Symbol_table::do_define_in_output_segment): Likewise.
4854         (Symbol_table::define_as_constant): Likewise.
4855         (Symbol_table::do_define_as_constant): Likewise.
4856         * script.h (class Symbol_assignment): Add is_defsym parameter to
4857         constructor; change all callers.
4858         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
4859         parameter.  Change all callers.  Add is_defsym_ field.
4860         (class Parser_closure): Add parsing_defsym parameter to
4861         constructor; change all callers.  Add parsing_defsym accessor
4862         function.  Add parsing_defsym_ field.
4863
4864 2009-12-28  Ian Lance Taylor  <iant@google.com>
4865
4866         * gold.cc (queue_middle_tasks): Fix formatting.
4867         * object.cc (Relobj::is_section_name_included): Likewise.
4868
4869 2009-12-23  Ian Lance Taylor  <iant@google.com>
4870
4871         * i386.cc (Target_i386::do_calls_non_split): Recognize
4872         -fsplit-stack prologue for a function with a static chain.
4873         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
4874         -fsplit-stack prologue when using %r11.
4875
4876 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
4877
4878         * options.cc (General_options::parse_version): Make -v continue and do
4879         the link like GNU ld does.
4880
4881 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
4882
4883         * Makefile.am (CCFILES): Add timer.cc.
4884         (HFILES): Add timer.h.
4885         * configure.ac: Check for sysconf and times.
4886         * main.cc: include timer.h.
4887         (main): Use Timer instead of get_run_time.
4888         * timer.cc: New.
4889         * timer.h: New.
4890         * workqueue.cc: include timer.h.
4891         (Workqueue::find_and_run_task):
4892         Report user, sys and wall time.
4893         * Makefile.in: Regenerate.
4894         * config.in: Regenerate.
4895         * configure: Regenerate.
4896
4897 2009-12-16  Doug Kwan  <dougkwan@google.com>
4898
4899         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
4900         sections.
4901         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
4902         relaxed input sections.
4903         * output.cc (Output_section::find_relaxed_input_section): Change
4904         return type to Output_relaxed_input_section pointer.  Adjust code
4905         for new type of relaxed_input_section_map_.
4906         * output.h (Output_section::find_relaxed_input_section): Change
4907         return type to Output_relaxed_input_section pointer.
4908         (Output_section::Output_relaxed_input_section_by_input_section_map):
4909         New type.
4910         (Output_section::relaxed_input_section_map_): Change type to
4911         Output_section::Output_relaxed_input_section_by_input_section_map.
4912         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
4913         input section.
4914
4915 2009-12-15  Ian Lance Taylor  <iant@google.com>
4916
4917         * layout.cc (Layout::create_shstrtab): Only write out after input
4918         sections if we are compressing debug sections.
4919
4920 2009-12-15  Ian Lance Taylor  <iant@google.com>
4921
4922         * archive.cc (Archive::add_symbols): Only look up a symbol without
4923         a version if there is, in fact, a version.
4924
4925 2009-12-14  Ian Lance Taylor  <iant@google.com>
4926
4927         Revert -Wshadow changes, all changes from:
4928         2009-12-11  Doug Kwan  <dougkwan@google.com>
4929         2009-12-11  Nick Clifton  <nickc@redhat.com>
4930         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
4931
4932 2009-12-11  Doug Kwan  <dougkwan@google.com>
4933
4934         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
4935         due to -Wshadow.
4936         * attributes.cc (Object_attribute::size): Ditto.
4937         (Attributes_section_data::size): Ditto.
4938         (Attributes_section_data::Attributes_section_data): Ditto.
4939         (Output_attributes_section_data::do_write): Ditto.
4940         * attributes.h (Object_attribute::set_type): Ditto.
4941         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
4942
4943 2009-12-11  Nick Clifton  <nickc@redhat.com>
4944
4945         * archive.cc: Fix shadowed variable warnings.
4946         * arm.cc: Likewise.
4947         * compressed_output.cc: Likewise.
4948         * compressed_output.h: Likewise.
4949         * configure: Likewise.
4950         * dwarf_reader.cc: Likewise.
4951         * dynobj.cc: Likewise.
4952         * dynobj.h: Likewise.
4953         * ehframe.cc: Likewise.
4954         * ehframe.h: Likewise.
4955         * errors.cc: Likewise.
4956         * expression.cc: Likewise.
4957         * fileread.cc: Likewise.
4958         * fileread.h: Likewise.
4959         * freebsd.h: Likewise.
4960         * i386.cc: Likewise.
4961         * icf.cc: Likewise.
4962         * incremental.h: Likewise.
4963         * layout.cc: Likewise.
4964         * layout.h: Likewise.
4965         * mapfile.cc: Likewise.
4966         * merge.cc: Likewise.
4967         * merge.h: Likewise.
4968         * object.cc: Likewise.
4969         * object.h: Likewise.
4970         * options.h: Likewise.
4971         * output.cc: Likewise.
4972         * output.h: Likewise.
4973         * parameters.cc: Likewise.
4974         * plugin.cc: Likewise.
4975         * powerpc.cc: Likewise.
4976         * reduced_debug_output.cc: Likewise.
4977         * reduced_debug_output.h: Likewise.
4978         * reloc.cc: Likewise.
4979         * reloc.h: Likewise.
4980         * resolve.cc: Likewise.
4981         * script-sections.cc: Likewise.
4982         * script.cc: Likewise.
4983         * script.h: Likewise.
4984         * sparc.cc: Likewise.
4985         * symtab.cc: Likewise.
4986         * symtab.h: Likewise.
4987         * target-select.cc: Likewise.
4988         * target-select.h: Likewise.
4989         * token.h: Likewise.
4990         * workqueue.cc: Likewise.
4991         * workqueue.h: Likewise.
4992         * x86_64.cc: Likewise.
4993
4994 2009-12-10  Doug Kwan  <dougkwan@google.com>
4995
4996         * arm.cc (attributes.h): New include.
4997         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
4998         (Arm_relobj::~Arm_relobj): Delete object pointed by
4999         attributes_section_data_.
5000         (Arm_relobj::attributes_section_data): New method definition.
5001         (Arm_relobj::attributes_section_data_): New data member declaration.
5002         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
5003         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
5004         attributes_section_data_.
5005         (Arm_dynobj::attributes_section_data): New method definition.
5006         (Arm_dynobj::attributes_section_data_): New data member declaration.
5007         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
5008         initialization value of may_use_blx_ to false.
5009         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
5010         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
5011         object attributes to compute results instead of hard-coding.
5012         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
5013         Target_arm::get_secondary_compatible_arch,
5014         Target_arm::set_secondary_compatible_arch
5015         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5016         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
5017         New method declarations.
5018         (Target_arm::get_aeabi_object_attribute): New method definition.
5019         (Target_arm::attributes_section_data_): New data member declaration.
5020         (read_arm_attributes_section): New template definition.
5021         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
5022         (Arm_dynobj::do_read_symbols): Ditto.
5023         (Target_arm::do_finalize_sections): Merge attributes sections from
5024         input.  Check for BLX use after attributes section merging.
5025         Fix __exidx_start and __exidx_end visibility.  Create an
5026         .ARM.attributes section if necessary.
5027         (Target_arm::get_secondary_compatible_arch,
5028         Target_arm::set_secondary_compatible_arch,
5029         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
5030         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
5031         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
5032         New method definitions.
5033
5034 2009-12-09  Ian Lance Taylor  <iant@google.com>
5035
5036         * plugin.cc (Plugin::load): Don't cast from void* to a function
5037         pointer.
5038
5039 2009-12-09  Ian Lance Taylor  <iant@google.com>
5040
5041         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
5042         information fields.
5043
5044 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
5045
5046         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
5047         Replace two_file_shared_1.so with two_file_shared_2.so.
5048         * testsuite/Makefile.in: Regenerated.
5049
5050 2009-12-08  Doug Kwan  <dougkwan@google.com>
5051
5052         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
5053         (HFILES): Add attributes.h and int_encoding.h.
5054         * Makefile.in: Regenerate.
5055         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
5056         function definitions to int_encoding.cc
5057         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
5058         prototypes to int_encoding.h
5059         * reduced_debug_output.cc (int_encoding.h): New include.
5060         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
5061         function definitions to int_encoding.cc
5062         (insert_into_vector, read_from_pointer): Move template definitions to
5063         int_encoding.h
5064         * attributes.cc: New file.
5065         * attributes.h: New file.
5066         * int_encoding.cc: New file.
5067         * int_encoding.h: New file.
5068
5069 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
5070
5071         PR gold/11055
5072         * incremental-dump.cc (dump_incremental_inputs): New.
5073         (main): Use dump_incremental_inputs.
5074
5075 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
5076
5077         PR gold/10893
5078         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
5079         checking elfcpp::STT_FUNC.
5080         (Target_i386::Relocate::relocate): Likewise.
5081         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
5082
5083         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
5084         symbols from shared libraries into normal FUNC symbols.
5085
5086         * symtab.h (Symbol): Add is_func and use it.
5087
5088 2009-12-05  Doug Kwan  <dougkwan@google.com>
5089
5090         * arm.cc (Target_arm::arm_info): Initialize new fields
5091         attributes_section and attributes_vendor.
5092         * i386.cc (Target_i386::i386_info): Same.
5093         * object.cc (Sized_relobj::do_layout): Skip attribute section.
5094         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
5095         fields attributes_section and attributes_vendor.
5096         * sparc.cc (Target_sparc::sparc_info): Same.
5097         * target.h (Target::attributes_section, Target::attributes_vendor,
5098         Target::is_attributes_section, Target::attribute_arg_type,
5099         Target::attributes_order): New method definitions.
5100         (Target::Target_info::attributes_section,
5101         Target::Target_info::attributes_vendor): New fields.
5102         (Target::do_attribute_arg_type, Target::do_attributes_order): New
5103         virtual method definitions.
5104         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
5105         attributes_section and attributes_vendor.
5106         * testsuite/testfile.cc (Target_test::test_target_info): Same.
5107
5108 2009-12-05  Doug Kwan  <dougkwan@google.com>
5109
5110         * arm.cc: Update comments about interworking and stub generation.
5111         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
5112         considered as non-PIC.
5113         (Arm_relocate_functions::base_abs): Fix formatting.
5114         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
5115         of function to use GOT entry address instead of offset.
5116         (Target_arm::Scan::global): Issue an error if a symbol would need a
5117         PLT does not get one because it is untyped.  Remove code to create
5118         dynamic symbols for relative branches.
5119         (Target_arm::Relocate::relocate: Use 0 instead of false since function
5120         takes unsigned integer instead of boolean.
5121
5122 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
5123
5124         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
5125         (two_file_test_LDADD): Likewise.
5126         (common_test_1_LDADD): Likewise.
5127         (exception_test_LDADD) Likewise.
5128         (weak_test_LDADD): Likewise.
5129         (many_sections_test_LDADD): Likewise.
5130         (initpri1_LDADD): Likewise.
5131         (script_test_1_LDADD): Likewise.
5132         (script_test_2_LDADD): Likewise.
5133         (justsyms_LDADD): Likewise.
5134         (binary_test_LDADD): Likewise.
5135         (large_LDADD): Likewise.
5136         * testsuite/Makefile.in: Regenerated.
5137
5138 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
5139
5140         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
5141         (Symbol_table::override_with_special): Likewise.
5142         (Symbol_table::add_from_object): Likewise.
5143
5144 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5145
5146         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5147         Don't set the data_offset twice.
5148
5149 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
5150
5151         * testsuite/Makefile.in: Regenerate.
5152
5153 2009-12-03  Doug Kwan  <dougkwan@google.com>
5154
5155         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
5156         (Target_arm::do_finalize_sections): Add parameter for symbol table
5157         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
5158         * i386.cc (Target_i386::do_finalize_sections): Add an additional
5159         parameter for symbol table pointer.
5160         * layout.cc (Layout::finalize): Call Target::finalize_sections with
5161         an additional parameter for a pointer to symbol table.
5162         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
5163         parameter for a symbol table pointer.
5164         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
5165         * target.h (Target::finalize_sections, Target::do_finalize_sections):
5166         Ditto.
5167         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
5168         parameter for a symbol table pointer.
5169
5170 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
5171
5172         * incremental.cc (Incremental_inputs_header)
5173         (Incremental_inputs_header_write, Incremental_inputs_entry)
5174         (Incremental_inputs_entry_write): Move ...
5175         * incremental.h (Incremental_inputs_header)
5176         (Incremental_inputs_header_write, Incremental_inputs_entry)
5177         (Incremental_inputs_entry_write): here.
5178
5179 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5180
5181         * incremental.cc (make_sized_incremental_binary): Set the target.
5182         Error if it is incompatible.
5183         * output.h (Output_file): Add filename method.
5184
5185 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5186
5187         * incremental.cc (Incremental_inputs_entry): Remove unused argument
5188         from the get_* methods.
5189
5190 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5191
5192         * incremental-dump.cc (main): Check that the offeset of a script is 0.
5193         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
5194         Write 0 for the data_offset of scripts.
5195
5196 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
5197
5198         * testsuite/Makefile.am: Add the incremental_test.sh test.
5199         * testsuite/incremental_test.sh: New.
5200         * testsuite/incremental_test_1.c: New.
5201         * testsuite/incremental_test_2.c: New.
5202
5203 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
5204
5205        * incremental-dump.cc (main): Fix typos.
5206
5207 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
5208
5209         PR gold/11025
5210         * incremental-dump.cc (main): Use llu to print 64 bit values.
5211
5212 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
5213             H.J. Lu  <hongjiu.lu@intel.com>
5214
5215         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
5216         $(LIBDL).
5217         (incremental_dump_LDADD): Likewise.
5218         * Makefile.in: Regenerated.
5219
5220 2009-11-25  Doug Kwan  <dougkwan@google.com>
5221
5222         Revert:
5223
5224         2009-11-25  Doug Kwan  <dougkwan@google.com>
5225
5226                 * arm.cc (Target_arm::Target_arm): Move method definition
5227                 outside of class definition.  Add code to handle
5228                 --target1-rel, --target1-abs and --target2= options.
5229                 (Target_arm::get_reloc_reloc_type): Change method to be
5230                 non-static and const.
5231                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
5232                 New data member declaration.
5233                 (Target_arm::Scan::local, Target_arm::Scan::global,
5234                 Target_arm::Relocate::relocate,
5235                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5236                 Adjust call to Target_arm::get_real_reloc_type.
5237                 (Target_arm::get_real_reloc_type): Use command line options
5238                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5239                 * options.h (--target1-rel, --target1-abs, --target2): New
5240                 ARM-only options.
5241
5242 2009-11-25  Doug Kwan  <dougkwan@google.com>
5243
5244         * arm.cc (Target_arm::Target_arm): Move method definition outside of
5245         class definition.  Add code to handle --target1-rel, --target1-abs
5246         and --target2= options.
5247         (Target_arm::get_reloc_reloc_type): Change method to be non-static
5248         and const.
5249         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
5250         member declaration.
5251         (Target_arm::Scan::local, Target_arm::Scan::global,
5252         Target_arm::Relocate::relocate,
5253         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
5254         call to Target_arm::get_real_reloc_type.
5255         (Target_arm::get_real_reloc_type): Use command line options to
5256         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
5257         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
5258         options.
5259
5260 2009-11-25  Doug Kwan  <dougkwan@google.com>
5261
5262         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
5263         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
5264         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
5265         formatting.
5266         (Arm_relocate_functions::thm_call): Replace body with a call to
5267         Arm_relocate_functions::thumb_branch_common.
5268         (Arm_relocate_functions::thm_jump24,
5269         Arm_relocate_functions::thm_xpc22): New method definitions.
5270         (Arm_relocate_functions::thumb_branch_common): New method definition.
5271         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
5272         operator.
5273         (Target_arm::Relocate::relocate): Adjust call to thm_call.
5274         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
5275
5276 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5277
5278         * Makefile.am: Build incremental-dump
5279         * Makefile.in: Regenerate.
5280         * incremental-dump.cc: New.
5281         * incremental.cc (Incremental_inputs_header_data,
5282         Incremental_inputs_entry_data): Move to incremental.h
5283         * incremental.h: (Incremental_inputs_header_data,
5284         Incremental_inputs_entry_data): Move from incremental.cc
5285
5286 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5287
5288         * incremental.cc (Incremental_inputs_header,
5289         Incremental_inputs_header_write, Incremental_inputs_entry,
5290         Incremental_inputs_entry_write): Add a typedef with the data type.
5291
5292 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
5293
5294         * incremental.cc (Incremental_inputs_header,
5295         Incremental_inputs_header_write, Incremental_inputs_entry,
5296         Incremental_inputs_entry_write): Update comment about which
5297         type has the filed descriptions.
5298
5299 2009-11-15  Doug Kwan  <dougkwan@google.com>
5300
5301         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
5302         (Arm_relocate_functions::arm_branch_common): Change method defintion
5303         in class definition to a method declaration and update list of formal
5304         parameters.
5305         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
5306         Arm_relocation_functions::jump24): Adjust call to
5307         Arm_relocate_functions::arm_branch_common.  Update list of formal
5308         parameters.
5309         (Arm_relocate_functions::xpc25): New method definition.
5310         (Arm_relocate_functions::arm_branch_common): Move method defintion
5311         out from class definition.  Use stubs for mode-switching and extending
5312         branch ranges.
5313         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
5314         specially.  Change code to enable use of stubs in ARM branches.
5315
5316 2009-11-10  Doug Kwan  <dougkwan@google.com>
5317
5318         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
5319         in method declaration.
5320         (Target_arm::relocate_stub): New method declaration.
5321         (Target_arm::default_target): Change to return a pointer instead of
5322         a const reference.
5323         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
5324         Target_arm::default_target.
5325         (Arm_Relobj::do_relocate_sections): Remove options paramater in
5326         method definition.
5327         (Target_arm::relocate_section): Adjust view.
5328         (Target_arm::relocate_stub): New method definition.
5329
5330 2009-11-10  Doug Kwan  <dougkwan@google.com>
5331
5332         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
5333         a format warning.
5334         * incremental.cc (open_incremental_binary): Initialized local
5335         variables to avoid warnings.
5336         * object.cc (make_elf_object): Ditto.
5337         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
5338         a format warning.
5339
5340 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
5341
5342         PR gold/10930
5343         * testsuite/plugin_test.c: Include "config.h".
5344
5345 2009-11-09  Doug Kwan  <dougkwan@google.com>
5346
5347         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
5348         (arm_symbol_value): Remove.
5349         (Arm_relocate_functions::arm_branch_common,
5350         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
5351         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
5352         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
5353         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
5354         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
5355         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
5356         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
5357         Arm_relocate_functions::thm_mobw_abs_nc,
5358         Arm_relocate_functions::thm_mov_abs,
5359         Arm_relocate_functions::movw_prel_nc,
5360         Arm_relocate_functions::thm_movt_abs,
5361         Arm_relocate_functions::movt_prel,
5362         Arm_relocate_functions::thm_movw_prel_nc,
5363         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
5364         (Target_arm::Relocate::relocate): Only decompose address into two
5365         parts if relocation type uses the thumb-bit and pass the actual
5366         bit instead of a flag indicating that the thumb-bit is used.  Adjust
5367         calls to methods in Arm_relocate_functions for this change.
5368
5369 2009-11-08  Ian Lance Taylor  <iant@google.com>
5370
5371         PR 10925
5372         * reloc.cc: Instantiate
5373         Sized_relobj::initialize_input_to_output_maps and
5374         Sized_relobj:free_input_to_output_maps.
5375
5376 2009-11-06  Ian Lance Taylor  <iant@google.com>
5377
5378         PR 10876
5379         * defstd.cc (in_segment): Set only_if_ref true for "end".
5380
5381 2009-11-06  Doug Kwan  <dougkwan@google.com>
5382
5383         * arm.cc (class Reloc_stub): Correct a comment.
5384         (Target_arm::Target_arm): Initialize arm_input_section_map_.
5385         (Target_arm::scan_section_for_stubs): New method declaration.
5386         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
5387         Change methods from private to protected.
5388         (Target_arm::do_may_relax): New method definition.
5389         (Target_arm::do_relax, Target_arm::group_sections,
5390         Target_arm::scan_reloc_for_stub,
5391         Target_arm::scan_reloc_section_for_stubs): New method declarations.
5392         (Target_arm::arm_input_section_map_): New data member declaration.
5393         (Target_arm::scan_reloc_for_stub,
5394         Target_arm::scan_reloc_section_for_stubs,
5395         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
5396         Target_arm::do_relax): New method definitions.
5397
5398 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
5399
5400         * configure.ac: Check for (struct stat)::st_mtim
5401         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
5402         * config.in: Regenerate.
5403         * configure: Regenerate.
5404
5405 2009-11-05  Ian Lance Taylor  <iant@google.com>
5406
5407         PR 10910
5408         * output.cc (Output_segment::add_output_section): Add missing
5409         return statement.
5410
5411 2009-11-04  Ian Lance Taylor  <iant@google.com>
5412
5413         PR 10880
5414         * object.h (class Object): Add is_needed and set_is_needed
5415         methods.  Add is_needed_ field.  Make bool fields into bitfields.
5416         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
5417         defined in a dynamic object and referenced by a regular object,
5418         set is_needed for the dynamic object.
5419         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
5420         if the file is marked with as_needed and it is not needed.
5421
5422 2009-11-04  Ian Lance Taylor  <iant@google.com>
5423
5424         PR 10887
5425         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
5426         tags if data is discarded by linker script.
5427         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5428         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5429         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5430         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5431
5432 2009-11-04  Ian Lance Taylor  <iant@google.com>
5433
5434         * layout.cc (Layout::get_output_section): Add is_interp and
5435         is_dynamic_linker_section parameters.  Change all callers.
5436         (Layout::choose_output_section): Likewise.
5437         (Layout::make_output_section): Likewise.
5438         (Layout::add_output_section_data): Add is_dynamic_linker_section
5439         parameter.  Change all callers.
5440         * layout.h (class Layout): Update declarations.
5441         * output.h (class Output_section): Add is_interp, set_is_interp,
5442         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
5443         Add is_interp_, is_dynamic_linker_section_ fields.  Change
5444         generate_code_fills_at_write_ to a bitfield.
5445         * output.cc (Output_section::Output_sections): Initialize new
5446         fields.
5447         (Output_segment::add_output_section): Add do_sort parameter.
5448         Change all callers.
5449
5450 2009-11-03  Ian Lance Taylor  <iant@google.com>
5451
5452         PR 10860
5453         * options.h (class General_options): Add --warn-common.
5454         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
5455         merging two common symbols.
5456         (Symbol_table::should_override): Handle --warn-common when merging
5457         a common symbol with a defined symbol.  Use report_resolve_problem
5458         for multiple definitions.
5459         (Symbol_table::report_resolve_problem): New function.
5460         * symtab.h (class Symbol_table): Declare report_resolve_problem.
5461
5462 2009-11-03  Doug Kwan  <dougkwan@google.com>
5463
5464         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
5465         stub_factory_.
5466         (Target_arm::stub_factory): New method definition.
5467         (Target_arm::new_arm_input_section,
5468         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
5469         Target_arm::reloc_uses_thumb_bit): New method declarations.
5470         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
5471         New type definitions.
5472         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
5473         member declarations.
5474         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
5475         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
5476         New method definitions.
5477
5478 2009-11-03  Ian Lance Taylor  <iant@google.com>
5479
5480         * options.h (class General_options): Add --warn_constructors.
5481
5482 2009-11-03  Ian Lance Taylor  <iant@google.com>
5483
5484         PR 10893
5485         * defstd.cc (in_section): Add entries for __rel_iplt_start,
5486         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
5487
5488 2009-11-03  Ian Lance Taylor  <iant@google.com>
5489
5490         PR 10895
5491         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
5492         --msgid-bugs-address.
5493         (install-pdf): New target.
5494         (install-data_yes): Look up one directory to find mkinstalldirs.
5495
5496 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
5497
5498         * po/Make-in (.po.gmo): Don't generate .gmo files in source
5499         tree.
5500
5501 2009-10-30  Doug Kwan  <dougkwan@google.com>
5502
5503         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
5504
5505 2009-10-30  Doug Kwan  <dougkwan@google.com>
5506
5507         * arm.cc (Stub_addend_reader): New struct template definition
5508         and partial specializations.
5509         (Stub_addend_reader::operator()): New method definition for a
5510         partially specialized template.
5511
5512 2009-10-30  Doug Kwan  <dougkwan@google.com>
5513
5514         * arm.cc (Arm_relobj::processor_specific_flags): New method
5515         definition.
5516         (Arm_relobj::do_read_symbols): New method declaration.
5517         (Arm_relobj::processor_specific_flags_): New data member declaration.
5518         (Arm_dynobj): New class definition.
5519         (Target_arm::do_finalize_sections): Add input_objects parameter.
5520         (Target_arm::do_adjust_elf_header): New method declaration.
5521         (Target_arm::are_eabi_versions_compatible,
5522         (Target_arm::merge_processor_specific_flags): New method declaration.
5523         (Target_arm::do_make_elf_object): New overloaded method definitions
5524         and declaration.
5525         (Arm_relobj::do_read_symbols): New method definition.
5526         (Arm_dynobj::do_read_symbols): Ditto.
5527         (Target_arm::do_finalize_sections): Add input_objects parameters.
5528         Merge processor-specific flags from all input objects.
5529         (Target_arm::are_eabi_versions_compatible,
5530         Target_arm::merge_processor_specific_flags,
5531         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
5532         New method definitions.
5533         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
5534         Input_objects pointer type parameter.
5535         * layout.cc (Layout::finalize): Pass input objects to target's.
5536         finalize_sections function.
5537         * output.cc (Output_file_header::do_sized_write): Set ELF file
5538         header's processor-specific flags.
5539         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
5540         Input_objects pointer type parameter.
5541         * sparc.cc (Target_sparc::do_finalize_sections): Same.
5542         * target.h (Input_objects): New forward class declaration.
5543         (Target::processor_specific_flags,
5544         Target::are_processor_specific_flags_sect): New method definitions.
5545         (Target::finalize_sections): Add input_objects parameter.
5546         (Target::Target): Initialize processor_specific_flags_ and
5547         are_processor_specific_flags_set_.
5548         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
5549         parameter.
5550         (Target::set_processor_specific_flags): New method definition.
5551         (Target::processor_specific_flags_,
5552         Target::are_processor_specific_flags_set_): New data member
5553         declarations.
5554         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
5555         Input_objects pointer type parameter.
5556
5557 2009-10-30  Doug Kwan  <dougkwan@google.com>
5558
5559         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
5560
5561 2009-10-28  Ian Lance Taylor  <iant@google.com>
5562
5563         * object.h (class Relobj): Drop options parameter from
5564         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
5565         do_scan_relocs, do_relocate.  Change all callers.
5566         (class Sized_relobj): Drop options parameters from
5567         do_gc_process_relocs, do_scan_relocs, do_relocate,
5568         do_relocate_sections, relocate_sections, emit_relocs_scan,
5569         emit_relocs_scan_reltype.  Change all callers.
5570         (struct Relocate_info): Remove options field and all references to
5571         it.
5572         * reloc.h (class Read_relocs): Remove options constructor
5573         parameter and options_ field.  Change all callers.
5574         (class Gc_process_relocs, class Scan_relocs): Likewise.
5575         (class Relocate_task): Likewise.
5576         * target-reloc.h (scan_relocs): Remove options parameter.  Change
5577         all callers.
5578         (scan_relocatable_relocs): Likewise.
5579         * target.h (class Sized_target): Remove options parameter from
5580         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
5581         all callers.
5582         * gc.h (gc_process_relocs): Remove options parameter.  Change all
5583         callers.
5584         * arm.cc: Update functions to remove options parameters.
5585         * i386.cc: Likewise.
5586         * powerpc.cc: Likewise.
5587         * sparc.cc: Likewise.
5588         * x86_64.cc: Likewise.
5589         * testsuite/testfile.cc: Likewise.
5590
5591 2009-10-28  Doug Kwan  <dougkwan@google.com>
5592
5593         * arm.cc (Arm_relobj): New class definition.
5594         (Arm_relobj::scan_sections_for_stubs,
5595         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
5596         New method definitions.
5597
5598 2009-10-28  Cary Coutant  <ccoutant@google.com>
5599
5600         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
5601         (Plugin::cleanup_done_): New member.
5602         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
5603         (Plugin_manager::cleanup_done_): Remove.
5604         (Plugin_manager::add_input_file): Edit error message.
5605         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
5606         (Plugin_manager::cleanup): Remove use of cleanup_done_.
5607
5608 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
5609
5610         * fileread.cc: (File_read::View::~View): Use the new
5611         data_ownership_ filed.
5612         (File_read::~File_read): Dispose the new whole_file_view_.
5613         (File_read::open): Mmap the whole file if needed.
5614         (File_read::open): Use whole_file_view_ instead of contents_.
5615         (File_read::find_view): Use whole_file_view_ if applicable.
5616         (File_read::do_read): Use whole_file_view_ instead of contents_.
5617         (File_read::make_view): Use whole_file_view_ instead of contents_,
5618         update File_read::View::View call.
5619         (File_read::find_or_make_view): Update File_read::View::View
5620         call.
5621         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
5622         remove contents_
5623         (File_read::View::Data_ownership): New enum.
5624         (File_read::View::View): Replace bool mapped_ with Data_ownership
5625         argument.
5626         (File_read::View::mapped_): Remove (replaced by data_ownership_).
5627         (File_read::View::data_ownership_): New field.
5628         (File_read::contents_): Remove (replaced by whole_file_view_).
5629         (File_read::whole_file_view_): New field.
5630         * options.h (class General_options): Add --keep-files-mapped.
5631
5632 2009-10-27  Cary Coutant  <ccoutant@google.com>
5633
5634         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
5635         * testsuite/Makefile.am (plugin_test_5): New test case.
5636         * testsuite/Makefile.in: Regenerate.
5637
5638 2009-10-25  Doug Kwan  <dougkwan@google.com>
5639
5640         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
5641         from private to protected to allow access by child class.
5642         (Sized_relobj::do_relocate_sections): New method declaration.
5643         (Sized_relobj::relocate_sections): Virtualize.
5644         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
5645         Sized_relobj::relocate_sections.  Instantiate template explicitly
5646         for different target sizes and endianity.
5647
5648 2009-10-24  Doug Kwan  <dougkwan@google.com>
5649
5650         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
5651         (Arm_input_section::as_arm_input_section): New method.
5652         (Arm_output_section): New class definition.
5653         (Arm_output_section::create_stub_group,
5654         Arm_output_section::group_sections): New method definitions.
5655
5656 2009-10-22  Doug Kwan  <dougkwan@google.com>
5657
5658         * arm.cc (Arm_input_section): New class definition.
5659         (Arm_input_section::init, Arm_input_section:do_write,
5660         Arm_input_section::set_final_data_size,
5661         Arm_input_section::do_reset_address_and_file_offset): New method
5662         definitions.
5663
5664 2009-10-21  Doug Kwan  <dougkwan@google.com>
5665
5666         * arm.cc (Stub_table, Arm_input_section): New forward class
5667         declarations.
5668         (Stub_table): New class defintion.
5669         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
5670         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
5671         New method definition.
5672
5673 2009-10-21  Doug Kwan  <dougkwan@google.com>
5674
5675         * arm.cc: Update copyright comments.
5676         (Target_arm): New forward class template declaration.
5677         (Arm_address): New type.
5678         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
5679         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
5680         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
5681         constants.
5682         (Insn_template): Same.
5683         (DEF_STUBS): New macro.
5684         (Stub_type): New enum type.
5685         (Stub_template): New class definition.
5686         (Stub): Same.
5687         (Reloc_stub): Same.
5688         (Stub_factory): Same.
5689         (Target_arm::Target_arm): Initialize may_use_blx_ and
5690         should_force_pic_veneer_.
5691         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
5692         Target_arm::should_force_pic_veneer,
5693         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
5694         Target_arm::using_thumb_only, Target_arm:;default_target): New
5695         method defintions.
5696         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
5697         New data member declarations.
5698         (Insn_template::size, Insn_template::alignment): New method defintions.
5699         (Stub_template::Stub_template): New method definition.
5700         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
5701         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
5702         (Stub_factory::Stub_factory): New method definition.
5703         * gold.h (string_hash): New template.
5704         * output.h (Input_section_specifier::hash_value): Use
5705         gold::string_hash.
5706         (Input_section_specifier::string_hash): Remove.
5707         * stringpool.cc (Stringpool_template::string_hash): Use
5708         gold::string_hash.
5709
5710 2009-10-20  Doug Kwan  <dougkwan@google.com>
5711
5712         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
5713         symbols of relaxed input sections.
5714         * output.h (Output_section::find_relaxed_input_section): Make
5715         method public.
5716
5717 2009-10-16  Doug Kwan  <dougkwan@google.com>
5718
5719         * dynobj.cc (Versions::Versions): Initialize version_script_.
5720         Only insert base version symbol definition for a shared object
5721         if version script defines any version versions.
5722         (Versions::define_base_version): New method definition.
5723         (Versions::add_def): Check that base version is not needed.
5724         (Versions::add_need): Define base version lazily.
5725         * dynobj.h (Versions::define_base_version): New method declaration.
5726         (Versions::needs_base_version_): New data member declaration.
5727         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
5728         (check_DATA): Add no_version_test.stdout.
5729         (libno_version_test.so, no_version_test.o no_version_test.stdout):
5730         New make rules.
5731         * testsuite/Makefile.in: Regenerate.
5732         * testsuite/no_version_test.c: New file.
5733         * testsuite/no_version_test.sh: Ditto.
5734
5735 2009-10-16  Doug Kwan  <dougkwan@google.com>
5736
5737         * expression.cc (class Segment_start_expression): New class definition.
5738         (Segment_start_expression::value): New method definition.
5739         (script_exp_function_segment_start): Return a new
5740         Segment_start_expression.
5741         * gold/script-c.h (script_saw_segment_start_expression): New function
5742         prototype.
5743         * script-sections.cc (Script_sections::Script_sections): Initialize
5744         SAW_SEGMENT_START_EXPRESSION_ to false.
5745         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
5746         and -Tbbs options to specify section addresses if given in
5747         command line and no SEGMENT_START expression is seen in a script.
5748         * script-sections.h (Script_sections::saw_segment_start_expression,
5749         Script_sections::set_saw_segment_start_expression): New method
5750         definition.
5751         (Script_sections::saw_segment_start_expression_): New data member
5752         declaration.
5753         * script.cc (script_saw_segment_start_expression): New function.
5754         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
5755         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
5756         script_test_7.sh and script_test_8.sh.
5757         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
5758         script_test_8.stdout.
5759         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
5760         (script_test_6, script_test_6.stdout, script_test_7,
5761         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
5762         * Makefile.in: Regenerate.
5763         * testsuite/script_test_6.sh: New file.
5764         * testsuite/script_test_6.t: Same.
5765         * testsuite/script_test_7.sh: Same.
5766         * testsuite/script_test_7.t: Same.
5767         * testsuite/script_test_8.sh: Same.
5768
5769 2009-10-16  Doug Kwan  <dougkwan@google.com>
5770
5771         * output.cc (Output_segment::set_section_list_address): Cast
5772         expressions to unsigned long long type to avoid format warnings.
5773
5774 2009-10-15  Ian Lance Taylor  <iant@google.com>
5775
5776         * script.cc (Script_options::add_symbol_assignment): Always add a
5777         dot assignment to script_sections_.
5778         * script-sections.cc (Script_sections::add_dot_assignment):
5779         Initialize if necessary.
5780
5781         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
5782         program headers with no load segment if there is a linker script.
5783
5784         * layout.cc (Layout::set_segment_offsets): Align the file offset
5785         to the segment aligment for -N or -n with no load segment.
5786         * output.cc (Output_segment::add_output_section): Don't crash if
5787         the first section is a TLS section.
5788         (Output_segment::set_section_list_addresses): Print an error
5789         message if the address moves backward in a linker script.
5790         * script-sections.cc
5791         (Output_section_element_input::set_section_addresses): Don't
5792         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
5793         (Orphan_output_section::set_section_addresses): Likewise.
5794
5795 2009-10-15  Doug Kwan  <dougkwan@google.com>
5796
5797         * layout.cc (Layout::finish_dynamic_section): Generate tags
5798         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
5799         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
5800         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
5801
5802 2009-10-14  Ian Lance Taylor  <iant@google.com>
5803
5804         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
5805         fields.
5806         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
5807         data_shdr fields of relinfo.
5808         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
5809         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
5810         R_386_TLS_LDO_32, adjust based on section flags.
5811         (Target_i386::Relocate::fix_up_ldo): Remove.
5812
5813 2009-10-13  Ian Lance Taylor  <iant@google.com>
5814
5815         Add support for -pie.
5816         * options.h (class General_options): Add -pie and
5817         --pic-executable.
5818         (General_options::output_is_position_independent): Test -pie.
5819         (General_options::output_is_executable): Return true if not shared
5820         and not relocatable.
5821         (General_options::output_is_pie): Remove.
5822         * options.cc (General_options::finalize): Reject incompatible uses
5823         of -pie.
5824         * gold.cc (queue_middle_tasks): A -pie link is not static.
5825         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
5826         * symtab.cc (Symbol::final_value_is_known): Return false if
5827         output_is_position_independent.
5828         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
5829         output_is_position_independent.
5830         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
5831         output_is_position_independent.
5832         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
5833         output_is_position_independent.
5834         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
5835         two_file_pie_test.
5836         (basic_pie_test.o, basic_pie_test): New targets.
5837         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
5838         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
5839         (two_file_pie_test): New target.
5840         * testsuite/Makefile.in: Rebuild.
5841         * README: Remove note saying that -pie is not supported.
5842
5843 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
5844
5845         * options.h (class General_options): Add -init and -fini.
5846         * layout.cc (Layout::finish_dynamic_section): Emit
5847         given init and fini functions.
5848
5849 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
5850
5851         * gc.h (gc_process_relocs): Check if icf is enabled using new
5852         function.
5853         * gold.cc (queue_initial_tasks): Likewise.
5854         (queue_middle_tasks): Likewise.
5855         * object.cc (do_layout): Likewise.
5856         * symtab.cc (is_section_folded): Likewise.
5857         * main.cc (main): Likewise.
5858         * reloc.cc (Read_relocs::run): Likewise.
5859         (Sized_relobj::do_scan_relocs): Likewise.
5860         * icf.cc (is_function_ctor_or_dtor): New function.
5861         (Icf::find_identical_sections): Check if function is ctor or dtor when
5862         safe icf is chosen.
5863         * options.h (General_options::icf): Change option to be an enum.
5864         (Icf_status): New enum.
5865         (icf_enabled): New method.
5866         (icf_safe_folding): New method.
5867         (set_icf_status): New method.
5868         (icf_status_): New variable.
5869         * (options.cc) (General_options::finalize): Set icf_status_.
5870         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
5871         icf_test and icf_keep_unique_test to use the --icf enum flag.
5872         * testsuite/icf_safe_test.sh: New file.
5873         * testsuite/icf_safe_test.cc: New file.
5874
5875 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
5876
5877         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
5878         includes to gc.h and icf.h.
5879         * arm.cc: Include gc.h.
5880         * gold.cc: Likewise.
5881         * i386.cc: Likewise.
5882         * powerpc.cc: Likewise.
5883         * sparc.cc: Likewise.
5884         * x86_64.cc: Likewise.
5885         * gc.h: Include icf.h.
5886
5887 2009-10-11  Ian Lance Taylor  <iant@google.com>
5888
5889         * plugin.cc: Include "gold.h" before other header files.
5890
5891 2009-10-10  Chris Demetriou  <cgd@google.com>
5892
5893         * options.h (Input_file_argument::Input_file_type): New enum.
5894         (Input_file_argument::is_lib_): Replace with...
5895         (Input_file_argument::type_): New member.
5896         (Input_file_argument::Input_file_argument): Take Input_file_type
5897         'type' rather than boolean 'is_lib' as second argument.
5898         (Input_file_argument::is_lib): Use type_.
5899         (Input_file_argument::is_searched_file): New function.
5900         (Input_file_argument::may_need_search): Handle is_searched_file.
5901         * options.cc (General_options::parse_library): Support -l:filename.
5902         (General_options::parse_just_symbols): Update for Input_file_argument
5903         changes.
5904         (Command_line::process): Likewise.
5905         * archive.cc (Archive::get_file_and_offset): Likewise.
5906         * plugin.cc (Plugin_manager::release_input_file): Likewise.
5907         * script.cc (read_script_file, script_add_file): Likewise.
5908         * fileread.cc (Input_file::Input_file): Likewise.
5909         (Input_file::will_search_for): Handle is_searched_file.
5910         (Input_file::open): Likewise.
5911         * readsyms.cc (Read_symbols::get_name): Likewise.
5912         * testsuite/Makefile.am (searched_file_test): New test.
5913         * testsuite/Makefile.in: Regenerate.
5914         * testsuite/searched_file_test.cc: New file.
5915         * testsuite/searched_file_test_lib.cc: New file.
5916
5917 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5918             Ian Lance Taylor  <iant@google.com>
5919
5920         * descriptor.cc: Include <cstdio> and "binary-io.h".
5921         (Descriptors::open): Open the files in binary mode always.
5922         * script.cc (Lex::get_token): Treat \r as whitespace.
5923
5924 2009-10-09  Ian Lance Taylor  <iant@google.com>
5925
5926         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
5927
5928 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5929             Ian Lance Taylor  <iant@google.com>
5930
5931         * configure.ac: Check for readv function also.
5932         * fileread.cc (readv): Define if not HAVE_READV.
5933         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
5934         does not exist.
5935         * config.in: Regenerate.
5936         * configure: Regenerate.
5937
5938 2009-10-09  Doug Kwan  <dougkwan@google.com>
5939
5940         * layout.cc (Layout::make_output_section): Call target hook to make
5941         ordinary output section.
5942         (Layout::finalize): Adjust parameter list of call the
5943         Target::may_relax().
5944         * layout.h (class Layout::section_list): New method.
5945         * merge.h (Output_merge_base::entsize): Change visibility to public.
5946         (Output_merge_base::is_string, Output_merge_base::do_is_string):
5947         New methods.
5948         (Output_merge_string::do_is_string): New method.
5949         * object.cc (Sized_relobj::do_setup): renamed from
5950         Sized_relobj::set_up.
5951         * object.h (Sized_relobj::adjust_shndx,
5952         Sized_relobj::initializ_input_to_output_maps,
5953         Sized_relobj::free_input_to_output_maps): Change visibilities to
5954         protected.
5955         (Sized_relobj::setup): Virtualize.
5956         (Sized_relobj::do_setup): New method declaration.
5957         (Sized_relobj::invalidate_section_offset,
5958         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
5959         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
5960         * options.cc (parse_int): New function.
5961         * options.h (parse_int): New declaration.
5962         (DEFINE_int): New macro.
5963         (stub_group_size): New option.
5964         * output.cc (Output_section::Output_section): Initialize memebers
5965         merge_section_map_, merge_section_by_properties_map_,
5966         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
5967         (Output_section::add_input_section): Handled deferred code-fill
5968         generation and remove an old comment.
5969         (Output_section::add_relaxed_input_section): New method definition.
5970         (Output_section::add_merge_input_section): Use merge section by
5971         properties map to speed to search.  Update merge section maps
5972         as appropriate.
5973         (Output_section::build_relaxation_map): New method definition.
5974         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5975         Same.
5976         (Output_section::relax_input_section): Renamed to
5977         Output_section::convert_input_sections_to_relaxed_sections and change
5978         interface to take a vector of pointers to relaxed sections.
5979         (Output_section::find_merge_section,
5980         Output_section::find_relaxed_input_section): New method definitions.
5981         (Output_section::is_input_address_mapped,
5982         Output_section::output_offset, Output_section::output_address):
5983         Use output section data maps to speed up searching.
5984         (Output_section::find_starting_output_address): Add comments.
5985         (Output_section::do_write,
5986         Output_section::write_to_postprocessing_buffer): Do code-fill
5987         generation as appropriate.
5988         (Output_section::get_input_sections): Invalidate relaxed input section
5989         map.
5990         (Output_section::restore_states): Adjust type of checkpoint .
5991         Invalidate relaxed input section map.
5992         * output.h (Output_merge_base): New class declaration.
5993         (Input_section_specifier): New class defintion.
5994         (class Output_relaxed_input_section) Change base class to
5995         Output_section_data_build.
5996         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
5997         base class initializer.
5998         (Output_section::add_relaxed_input_section): New method declaration.
5999         (Output_section::Input_section): Change visibility to protected.
6000         (Output_section::Input_section::relobj,
6001         Output_section::Input_section::shndx): Handle relaxed input sections.
6002         Output_section::input_sections) Change visibility to protected.  Also
6003         define overload to return a non-const pointer.
6004         (Output_section::Merge_section_properties): New class defintion.
6005         (Output_section::Merge_section_by_properties_map,
6006         Output_section::Output_section_data_by_input_section_map,
6007         Output_section::Relaxation_map): New types.
6008         (Output_section::relax_input_section): Rename method to
6009         Output_section::convert_input_sections_to_relaxed_sections and change
6010         interface to take a vector of relaxed section pointers.
6011         (Output_section::find_merge_section,
6012         Output_section::find_relaxed_input_section,
6013         Output_section::build_relaxation_map,
6014         Output_section::convert_input_sections_in_list_to_relaxed_sections):
6015         New method declarations.
6016         (Output_section::merge_section_map_
6017         Output_section::merge_section_by_properties_map_,
6018         Output_section::relaxed_input_section_map_,
6019         Output_section::is_relaxed_input_section_map_valid_,
6020         Output_section::generate_code_fills_at_write_): New data members.
6021         * script-sections.cc
6022         (Output_section_element_input::set_section_addresses): Call
6023         current_data_size and addralign methods of relaxed input sections.
6024         (Orphan_output_section::set_section_addresses): Call current_data_size
6025         and addralign methods of relaxed input sections.
6026         * symtab.cc (Symbol_table::compute_final_value): Extract template
6027         from the body of Symbol_table::sized_finalize_symbol.
6028         (Symbol_table::sized_finalized_symbol): Call
6029         Symbol_table::compute_final_value.
6030         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
6031         (Symbol_table::compute_final_value): New templated method declaration.
6032         * target.cc (Target::do_make_output_section): New method defintion.
6033         * target.h (Target::make_output_section): New method declaration.
6034         (Target::relax): Add more parameters for input objects, symbol table
6035         and layout.  Adjust call to do_relax.
6036         (Target::do_make_output_section): New method declaration.
6037         (Target::do_relax): Add parameters for input objects, symbol table
6038         and layout.
6039
6040 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6041
6042         * pread.c: Include stdio.h.
6043
6044 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6045
6046         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
6047         defined.
6048
6049 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6050
6051         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
6052         Change read_shndx type to unsigned int.
6053         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6054         int.
6055         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6056         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
6057         Change read_shndx type to unsigned int.
6058         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
6059         int.
6060         (Sized_dwarf_line_info::read_line_mappings): Likewise.
6061         * layout.cc (Layout::create_symtab_sections): Cast the result of
6062         local_symcount * symsize to off_t in the gold_assert.
6063
6064 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6065
6066         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
6067         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
6068         R_ARM_BASE_ABS.
6069         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
6070         (Arm_relocate_functions::thm_abs5): New function.
6071         (Arm_relocate_functions::abs12): New function.
6072         (Arm_relocate_functions::abs16): New function.
6073         (Arm_relocate_functions::base_abs): New function.
6074         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
6075         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
6076         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
6077         R_ARM_BASE_ABS.
6078         (Scan::global): Likewise.
6079         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
6080         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
6081         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
6082         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
6083         R_ARM_BASE_ABS.
6084
6085 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6086
6087         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
6088         (Arm_relocate_functions::movt_prel): New function.
6089         (Arm_relocate_functions::thm_movw_prel_nc): New function.
6090         (Arm_relocate_functions::thm_movt_prel): New function.
6091         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
6092         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
6093         (Scan::global, Relocate::relocate): Likewise.
6094         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6095
6096 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6097
6098         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
6099         Incremental_checker.
6100         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
6101         unsigned int.
6102         (class Incremental_inputs_header): New class.
6103         (Incremental_inputs_header_writer): Edit comment.
6104         (Incremental_inputs_entry): New class.
6105         (Incremental_inputs_entry_writer): Edit comment.
6106         (Sized_incremental_binary::do_find_incremental_inputs_section):
6107         Add *strtab_shndx parameter, fill it.
6108         (Sized_incremental_binary::do_check_inputs): New method.
6109         (Incremental_checker::can_incrementally_link_output_file): Use
6110         Sized_incremental_binary::check_inputs.
6111         (Incremental_inputs::report_command_line): Save command line in
6112         command_line_.
6113         * incremental.h:
6114         (Incremental_binary::find_incremental_inputs_section): New
6115         method.
6116         (Incremental_binary::do_find_incremental_inputs_section): Add
6117         strtab_shndx parameter.
6118         (Incremental_binary::do_check_inputs): New pure virtual method.
6119         (Sized_incremental_binary::do_check_inputs): Declare.
6120         (Incremental_checker::Incremental_checker): Add incremental_inputs
6121         parameter, use it to initialize incremental_inputs_.
6122         (Incremental_checker::incremental_inputs_): New field.
6123         (Incremental_checker::command_line): New method.
6124         (Incremental_checker::inputs): New method.
6125         (Incremental_checker::command_line_): New field.
6126
6127 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
6128
6129         * incremental.cc: Include <cstdarg> and "target-select.h".
6130         (vexplain_no_incremental): New function.
6131         (explain_no_incremental): New function.
6132         (Incremental_binary::error): New method.
6133         (Sized_incremental_binary::do_find_incremental_inputs_section): New
6134         method.
6135         (make_sized_incremental_binary): New function.
6136         (open_incremental_binary): New function.
6137         (can_incrementally_link_file): Add checks if output is ELF and has
6138         inputs section.
6139         * incremental.h: Include "elfcpp_file.h" and "output.h".
6140         (Incremental_binary): New class.
6141         (Sized_incremental_binary): New class.
6142         (open_incremental_binary): Declare.
6143         * object.cc (is_elf_object): Use
6144         elfcpp::Elf_recognizer::is_elf_file.
6145         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
6146         * output.h (Output_file::filesize): New method.
6147
6148 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6149
6150         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
6151         New function.
6152         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
6153         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
6154         function.
6155         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
6156         function.
6157         (Arm_relocate_functions::movw_abs_nc): New function.
6158         (Arm_relocate_functions::movt_abs): New function.
6159         (Arm_relocate_functions::thm_movw_abs_nc): New function.
6160         (Arm_relocate_functions::thm_movt_abs): New function.
6161         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
6162         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
6163         (Scan::global): Likewise.
6164         (Relocate::relocate): Likewise.
6165         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6166
6167 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6168
6169         * arm.cc (Arm_relocate_functions::got_prel) New function.
6170         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
6171         (Relocate::relocate): Likewise.
6172         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
6173
6174 2009-10-06  Ian Lance Taylor  <iant@google.com>
6175
6176         * options.h (class General_options): Define
6177         split_stack_adjust_size parameter.
6178         * object.h (class Object): Add uses_split_stack_ and
6179         has_no_split_stack_ fields.  Add uses_split_stack and
6180         has_no_split_stack accessor functions.  Declare
6181         handle_split_stack_section.
6182         (class Reloc_symbol_changes): Define.
6183         (class Sized_relobj): Define Function_offsets.  Declare
6184         split_stack_adjust, split_stack_adjust_reltype, and
6185         find_functions.
6186         * object.cc (Object::handle_split_stack_section): New function.
6187         (Sized_relobj::do_layout): Call handle_split_stack_section.
6188         * dynobj.cc (Sized_dynobj::do_layout): Call
6189         handle_split_stack_section.
6190         * reloc.cc (Sized_relobj::relocate_sections): Call
6191         split_stack_adjust for executable sections in split_stack
6192         objects.  Pass reloc_map to relocate_section.
6193         (Sized_relobj::split_stack_adjust): New function.
6194         (Sized_relobj::split_stack_adjust_reltype): New function.
6195         (Sized_relobj::find_functions): New function.
6196         * target-reloc.h: Include "object.h".
6197         (relocate_section): Add reloc_symbol_changes parameter.  Change
6198         all callers.
6199         * target.h (class Target): Add calls_non_split method.  Declare
6200         do_calls_non_split virtual method.  Declare match_view and
6201         set_view_to_nop.
6202         * target.cc: Include "elfcpp.h".
6203         (Target::do_calls_non_split): New function.
6204         (Target::match_view): New function.
6205         (Target::set_view_to_nop): New function.
6206         * gold.cc (queue_middle_tasks): Give an error if mixing
6207         split-stack and non-split-stack objects with -r.
6208         * i386.cc (Target_i386::relocate_section): Add
6209         reloc_symbol_changes parameter.
6210         (Target_i386::do_calls_non_split): New function.
6211         * x86_64.cc (Target_x86_64::relocate_section): Add
6212         reloc_symbol_changes parameter.
6213         (Target_x86_64::do_calls_non_split): New function.
6214         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
6215         parameter.
6216         * powerpc.cc (Target_powerpc::relocate_section): Add
6217         reloc_symbol_changes parameter.
6218         * sparc.cc (Target_sparc::relocate_section): Add
6219         reloc_symbol_changes parameter.
6220         * configure.ac: Call AM_CONDITIONAL for the default target.
6221         * configure: Rebuild.
6222         * testsuite/Makefile.am (TEST_AS): New variable.
6223         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
6224         (check_DATA): Add split_i386 and split_x86_64 files.
6225         (SPLIT_DEFSYMS): Define.
6226         (split_i386_[1234n].o): New targets.
6227         (split_i386_[124]): New targets.
6228         (split_i386_[1234r].stdout): New targets.
6229         (split_x86_64_[1234n].o): New targets.
6230         (split_x86_64_[124]): New targets.
6231         (split_x86_64_[1234r].stdout): New targets.
6232         (MOSTLYCLEANFILES): Add new executables.
6233         * testsuite/split_i386.sh: New file.
6234         * testsuite/split_x86_64.sh: New file.
6235         * testsuite/split_i386_1.s: New file.
6236         * testsuite/split_i386_2.s: New file.
6237         * testsuite/split_i386_3.s: New file.
6238         * testsuite/split_i386_4.s: New file.
6239         * testsuite/split_i386_n.s: New file.
6240         * testsuite/split_x86_64_1.s: New file.
6241         * testsuite/split_x86_64_2.s: New file.
6242         * testsuite/split_x86_64_3.s: New file.
6243         * testsuite/split_x86_64_4.s: New file.
6244         * testsuite/split_x86_64_n.s: New file.
6245         * testsuite/testfile.cc (Target_test): Update relocation_section
6246         function.
6247         * testsuite/Makefile.in: Rebuild.
6248
6249 2009-10-06  Ian Lance Taylor  <iant@google.com>
6250
6251         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
6252         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
6253         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
6254         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
6255         the address on ldo_addrs_.
6256         (Target_i386::Relocate::fix_up_ldo): New function.
6257
6258 2009-10-06   Rafael Espindola  <espindola@google.com>
6259
6260         * plugin.cc (add_input_library): New.
6261         (Plugin::load): Add add_input_library to tv.
6262         (Plugin_manager::add_input_file): Add the is_lib argument.
6263         (add_input_file): Update call to Plugin_manager::add_input_file.
6264         (add_input_library): New.
6265         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
6266
6267 2009-09-30  Doug Kwan  <dougkwan@google.com>
6268
6269         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
6270         symbol and call Symbol::may_need_copy_reloc to determine if
6271         a copy reloc is needed.
6272         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
6273         nocopyreloc is given in command line.
6274         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
6275         given in command line.
6276         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
6277         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
6278         of the removed Target_i386::may_need_copy_reloc.
6279         * options.h (copyreloc): New option with default value false.
6280         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6281         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
6282         instead of the removed Target_powerpc::may_need_copy_reloc.
6283         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
6284         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
6285         instead of the removed Target_sparc::may_need_copy_reloc.
6286         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
6287         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
6288         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
6289         instead of the removed Target_x86_64::may_need_copy_reloc.
6290
6291 2009-09-30  Ian Lance Taylor  <iant@google.com>
6292
6293         * object.h (class Object): Remove target_ field, and target,
6294         sized_target, and set_target methods.
6295         (Object::sized_target): Remove.
6296         (class Sized_relobj): Update declarations.  Remove sized_target.
6297         * object.cc (Sized_relobj::setup): Remove target parameter.
6298         Change all callers.
6299         (Input_objects::add_object): Don't do anything with the target.
6300         (make_elf_sized_object): Add punconfigured parameter.  Change all
6301         callers.  Set or test parameter target.
6302         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
6303         Change all callers.
6304         * parameters.cc (Parameters::set_target): Change parameter type to
6305         be non-const.
6306         (Parameters::default_target): Remove.
6307         (set_parameters_target): Change parameter type to be non-const.
6308         (parameters_force_valid_target): New function.
6309         (parameters_clear_target): New function.
6310         * parameters.h (class Parameters): Update declarations.  Remove
6311         default_target method.  Add sized_target and clear_target
6312         methods.  Change target_ to be non-const.
6313         (set_parameters_target): Update declaration.
6314         (parameters_force_valid_target): Declare.
6315         (parameters_clear_target): Declare.
6316         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
6317         as NULL if we aren't searching.
6318         (Add_symbols::run): Don't check for compatible target.
6319         * fileread.cc (Input_file::open_binary): Call
6320         parameters_force_valid_target.
6321         * gold.cc (queue_middle_tasks): Likewise.
6322         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
6323         set_target on object.
6324         * dynobj.h (class Sized_dynobj): Update declarations.
6325         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
6326         make_elf_object returns NULL.
6327         (Archive::include_member): Don't check whether object target is
6328         compatible.
6329         * output.cc (Output_section::add_input_section): Get target from
6330         parameters.
6331         (Output_section::relax_input_section): Likewise.
6332         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
6333         parameters.
6334         (Sized_relobj::do_scan_relocs): Likewise.
6335         (Sized_relobj::relocate_sections): Likewise.
6336         * resolve.cc (Symbol_table::resolve): Likewise.
6337         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
6338         parameter.  Change all callers.
6339         (Symbol_table::add_from_object): Get target from parameters.
6340         (Symbol_table::add_from_relobj): Don't check object target.
6341         (Symbol_table::add_from_dynobj): Likewise.
6342         (Symbol_table::define_special_symbol): Get target from
6343         parameters.
6344         * symtab.h (class Symbol_table): Update declaration.
6345         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
6346         parameter.  Change all callers.  Clear parameter target.
6347         (Binary_test): Test target here.
6348         * testsuite/object_unittest.cc (gold_testsuite): Remove
6349         target_test_pointer parameter.  Change all callers.
6350         (Object_test): Test target here.
6351
6352 2009-09-26  Ian Lance Taylor  <iant@google.com>
6353
6354         * testsuite/initpri1.c: Don't try to use constructor priorities if
6355         compiling with gcc before 4.3.
6356
6357 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
6358
6359         * testsuite/retain_symbols_file_test.sh (check_present): Change
6360         output file name to retain_symbols_file_test.stdout.
6361         (check_absent): Likewise.
6362
6363 2009-09-18  Craig Silverstein  <csilvers@google.com>
6364
6365         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
6366         * options.cc: Include <cerrno> and <fstream>.
6367         (General_options::finalize): Parse -retain-symbols-file tag.
6368         * options.h: New flag.
6369         (General_options): New method should_retain_symbol, new
6370         variable symbols_to_retain.
6371         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
6372         should_retain_symbol map.
6373         * testsuite/Makefile.am (retain_symbols_file_test): New test.
6374         * testsuite/Makefile.in: Regenerate.
6375         * testsuite/retain_symbols_file_test.sh: New file.
6376
6377 2009-09-18  Nick Clifton  <nickc@redhat.com>
6378
6379         * po/es.po: Updated Spanish translation.
6380
6381 2009-09-17  Doug Kwan  <dougkwan@google.com>
6382
6383         * debug.h (DEBUG_RELAXATION): New constant.
6384         (DEBUG_ALL): Add DEBUG_RELAXATION.
6385         (debug_string_to_enum): Add relaxation debug option.
6386         * layout.cc
6387         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
6388         Layout::Relaxation_debug_check::read_sections,
6389         Layout::Relaxation_debug_check::read_sections): New method definitions.
6390         (Layout::Layout): Initialize data members
6391         record_output_section_data_from_scrips_,
6392         script_output_section_data_list_ and relaxation_debug_check_.
6393         (Layout::save_segments, Layout::restore_segments,
6394         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6395         Layout::relaxation_loop_body): New method definitions.
6396         (Layout::finalize): Support relaxation.  Move section layout code to
6397         Layout::relaxation_loop_body.
6398         (Layout::set_asection_address_from_script): Move code for orphan
6399         section placement out.
6400         (Layout::place_orphan_sections_in_script): New method definition.
6401         * layout.h (Output_segment_headers, Output_file_header):
6402         New forward class declarations.
6403         (Layout::~Layout): Define.
6404         (Layout::new_output_section_data_from_script): New method definition.
6405         (Layout::place_orphan_sections_in_script): New method declaration.
6406         (Layout::Segment_states): New type declaration.
6407         (Layout::save_segments, Layout::restore_segments,
6408         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
6409         Layout::relaxation_loop_body): New method declarations.
6410         (Layout::Output_section_data_list): New type declaration.
6411         (Layout::Relaxation_debug_check): New class definition.
6412         (Layout::record_output_section_data_from_script_,
6413         Layout::script_output_section_data_list_, Layout::segment_states_,
6414         Layout::relaxation_debug_check_): New data members.
6415         * output.cc: (Output_section_headers::do_size): New method definition.
6416         (Output_section_headers::Output_section_headers): Move size
6417         computation to Output_section_headers::do_size.
6418         (Output_segment_headers::do_size): New method definition.
6419         (Output_file_header::Output_file_header): Move size computation to
6420         Output_file_header::do_size and call it.
6421         (Output_file_header::do_size): New method definition.
6422         (Output_data_group::Output_data_group): Adjust call to
6423         Output_section_data.
6424         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
6425         (Output_symtab_xindex::do_write): Add array bound check.
6426         (Output_section::Input_section::print_to_mapfile): Handle
6427         RELAXED_INPUT_SECTION_CODE.
6428         (Output_section::Output_section): Initialize data member checkpoint_.
6429         (Output_section::~Output_section): Delete checkpoint object pointed
6430         by checkpoint_.
6431         (Output_section::add_input_section): Always add an Input_section if
6432         relaxing.
6433         (Output_section::add_merge_input_section): Add assert.
6434         (Output_section::relax_input_section): New method definition.
6435         (Output_section::set_final_data_size): Set load address to zero for
6436         an unallocated section.
6437         (Output_section::do_address_and_file_offset_have_reset_values):
6438         New method definition.
6439         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
6440         Handle relaxed input section.
6441         (Output_section::sort_attached_input_sections): Checkpoint input
6442         section list lazily.
6443         (Output_section::get_input_sections): Change type of input_sections to
6444         list of Simple_input_section pointers.  Checkpoint input section list
6445         lazily.  Also handle relaxed input sections.
6446         (Output_section::add_input_section_for_script): Take a reference to
6447         a Simple_input_section object instead of Relobj pointer and section
6448         index as parameter.  Handle relaxed input sections.
6449         (Output_section::save_states, Output_section::restore_states): New
6450         method definitions.
6451         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
6452         (Output_data::is_data_size_fixed): New method definition.
6453         (Output_data::reset_addresss_and_file_offset): Do not reset data size
6454         if it is fixed.
6455         (Output_data::address_and_file_offset_have_reset_values): New method
6456         definition.
6457         (Output_data::do_address_and_file_offset_have_reset_values): New method
6458         definition.
6459         (Output_data::set_data_size): Check that data size is not fixed.
6460         (Output_data::fix_data_size): New method definition.
6461         (Output_data::is_data_size_fixed_): New data member.
6462         (Output_section_headers::set_final_data_size): New method definition.
6463         (Output_section_headers::do_size): New method declaration.
6464         (Output_segment_headers::set_final_data_size): New method definition.
6465         (Output_segment_headers::do_size): New method declaration.
6466         (Output_file_header::set_final_data_size)::New method definition.
6467         (Output_file_header::do_size)::New method declaration.
6468         (Output_section_data::Output_section_data): Add new parameter
6469         is_data_size_fixed and use it to fix data size.
6470         (Output_data_const::Output_data_const): Adjust call to base class
6471         constructor and fix data size.
6472         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
6473         base class constructor and fix data size.
6474         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
6475         base class constructor and fix data size.
6476         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
6477         class constructor and fix data size.
6478         (Output_data_group::set_final_data_size): New method definition.
6479         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
6480         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
6481         class constructor and fix data size.
6482         (Output_relaxed_input_section): New class definition.
6483         (Output_section::Simple_input_section): New class definition.
6484         (Output_section::get_input_sections): Adjust parameter list.
6485         (Output_section::add_input_section_for_script): Same.
6486         (Output_section::save_states, Output_section::restore_states,
6487         Output_section::do_address_and_file_offset_have_reset_values,
6488         (Output_section::Input_section::Input_section): Handle
6489         RELAXED_INPUT_SECTION_CODE.  Add new overload for
6490         Output_relaxed_input_section.
6491         (Output_section::Input_section::is_input_section,
6492         Output_section::Input_section::set_output_section): Handle relaxed
6493         input section.
6494         (Output_section::Input_section::is_relaxed_input_section,
6495         Output_section::Input_section::output_section_data,
6496         Output_section::Input_section::relaxed_input_section): New method
6497         definitions.
6498         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
6499         value.
6500         (Output_section::Input_section::u1_): Update comments.
6501         (Output_section::Input_section::u2_): Add new union member poris.
6502         (Output_section::Checkpoint_output_section): New classs definition.
6503         (Output_section::relax_input_section): New method declaration.
6504         (Output_section::checkpoint_): New data member.
6505         (Output_segment): Update comments.
6506         (Output_segment::Output_segment): Un-privatize copy constructor.
6507         (Output_segment::operator=): Un-privatize.
6508         * script-sections.cc (Output_section_element::Input_section_list):
6509         Change element type to Output_section::Simple_input_section.
6510         (Output_section_element_dot_assignment::set_section_addresses):
6511         Register output section data for relaxation clean up.
6512         (Output_data_exression::Output_data_expression): Adjust call to base
6513         constructor to fix data size.
6514         (Output_section_element_data::set_section_addresses): Register
6515         Output_data_expression object for relaxation clean up.
6516         (struct Input_section_info): Replace Relobj pointer and section index
6517         pair with Output_section::Simple_input_section and Convert struct to a
6518         class.
6519         (Input_section_sorter::operator()): Adjust access to
6520         Input_section_info data member to use accessors.
6521         (Output_section_element_input::set_section_addresses): Use layout
6522         parameter.  Adjust code to use Output_section::Simple_input_section
6523         and Input_secction_info classes.  Register filler for relaxation
6524         clean up.
6525         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
6526         and section index pair with Output_section::Simple_input_section
6527         class.  Adjust code accordingly.
6528         (Phdrs_element::release_segment): New method definition.
6529         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
6530         segment list.
6531         (Script_sections::release_segments): New method definition.
6532         * gold/script-sections.h (Script_sections::release_segments): New
6533         method declaration.
6534         * gold/target.h (Target::may_relax, Target::relax,
6535         Target::do_may_relax, Target::do_relax): New method definitions.
6536
6537 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6538
6539         * arm.cc (has_signed_unsigned_overflow): New function.
6540         (Arm_relocate_functions::abs8): New function.
6541         (Target_arm::Scan::local): Handle R_ARM_ABS8.
6542         (Target_arm::Scan::global): Likewise.
6543         (Target_arm::relocate::relocate): Likewise.
6544         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6545         Likewise.
6546
6547 2009-09-16  Cary Coutant  <ccoutant@google.com>
6548
6549         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
6550         * testsuite/Makefile.in: Regenerate.
6551
6552 2009-09-11  Nick Clifton  <nickc@redhat.com>
6553
6554         * po/gold.pot: Updated by the Translation project.
6555
6556 2009-09-08  Cary Coutant  <ccoutant@google.com>
6557
6558         * output.cc (Output_file::open): Add execute permission to empty file.
6559         * testsuite/Makefile.am (permission_test): New test.
6560         * testsuite/Makefile.in: Regenerate.
6561
6562 2009-09-02  Ian Lance Taylor  <iant@google.com>
6563
6564         * output.cc (Output_file::resize): Call map_no_anonymous rather
6565         than map.
6566
6567 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
6568
6569         * gold.cc: Include "incremental.h".
6570         (queue_initial_tasks): Call Incremental_checker methods.
6571         * incremental.cc: Include "output.h".
6572         (Incremental_checker::can_incrementally_link_output_file): New
6573         method.
6574         * incremental.h (Incremental_checker): New class.
6575
6576         * output.cc (Output_file::open_for_modification): New method.
6577         (Output_file::map_anonymous): Changed return type to bool.  Record
6578         map in base_ field.
6579         (Output_file::map_no_anonymous): New method, broken out of map.
6580         (Output_file::map): Use map_no_anonymous and map_anonymous.
6581         * output.h (class Output_file): Update declarations.
6582
6583 2009-08-24  Cary Coutant  <ccoutant@google.com>
6584
6585         * options.h (Command_line::Pre_options): New class.
6586         (Command_line::pre_options): New member.
6587         * options.cc (gold::options::ready_to_register): New variable.
6588         (One_option::register_option): Do nothing if not registering options.
6589         Assert if same short option registered twice.
6590         (General_options::General_options): Turn off option registration when
6591         done constructing.
6592         (Command_line::Pre_options::Pre_options): New constructor.
6593
6594 2009-08-24  Cary Coutant  <ccoutant@google.com>
6595
6596         * options.h (General_options::no_keep_memory): Remove incorrect
6597         short option.
6598
6599 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6600
6601         * Makefile.am (am__skiplex, am__skipyacc): New.
6602         * Makefile.in: Regenerate.
6603
6604 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6605
6606         * Makefile.am (AM_CPPFLAGS): Renamed from ...
6607         (INCLUDES): ... this.
6608         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
6609         (AM_CPPFLAGS): Renamed from ...
6610         (INCLUDE): ... this.
6611         * Makefile.in, testsuite/Makefile.in: Regenerate.
6612
6613         * Makefile.in: Regenerate.
6614         * aclocal.m4: Likewise.
6615         * config.in: Likewise.
6616         * configure: Likewise.
6617         * testsuite/Makefile.in: Likewise.
6618
6619         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6620         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
6621         * Makefile.in: Regenerate.
6622         * testsuite/Makefile.in: Regenerate.
6623
6624 2009-08-19  Cary Coutant  <ccoutant@google.com>
6625
6626         * resolve.cc (Symbol_table::resolve): Don't complain about defined
6627         symbols in shared libraries overridden by hidden or internal symbols
6628         in the main program.
6629
6630 2009-08-19  Chris Demetriou  <cgd@google.com>
6631
6632         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
6633         checking source file names in error messages.
6634
6635 2009-08-18  Doug Kwan  <dougkwan@google.com>
6636
6637         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
6638         an elcpp::Ehdr as parameter.  Adjust call to set_target.
6639         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
6640         an elfcpp::Ehdr as parameter.
6641         * object.cc (Object::set_target): Remove the version that looks up
6642         a target and sets it.
6643         (Sized_relobj::setup): Take a Target object instead of
6644         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
6645         (make_elf_sized_object): Find target and ask target to
6646         make an ELF object.
6647         * object.h: (Object::set_target): Remove the version that looks up
6648         a target and sets it.
6649         (Sized_relobj::setup): Take a Target object instead of
6650         an elfcpp:Ehdr as parameter.
6651         * target.cc: Include dynobj.h.
6652         (Target::do_make_elf_object_implementation): New.
6653         (Target::do_make_elf_object): New.
6654         * target.h (Target::make_elf_object): New template declaration.
6655         (Target::do_make_elf_object): New method declarations.
6656         (Target::do_make_elf_object_implementation): New template declaration.
6657
6658 2009-08-14  Ian Lance Taylor  <iant@google.com>
6659
6660         * gold.h (FUNCTION_NAME): Define.
6661         (gold_unreachable): Use FUNCTION_NAME.
6662
6663 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6664
6665         * icf.cc (Icf::find_identical_sections): Issue a warning when a
6666         symbol in the --keep-unique list is not found.
6667
6668 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
6669
6670         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
6671         been maked as --keep-unique.
6672         (Icf::unfold_section): New function.
6673         * icf.h (Icf::unfold_section): New function.
6674         * options.h (General_options::keep_unique): New option.
6675         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
6676         * testsuite/Makefile.in: Regenerate.
6677         * testsuite/icf_keep_unique_test.sh: New file.
6678         * testsuite/icf_keep_unique_test.cc: New file.
6679
6680 2009-08-12  Cary Coutant  <ccoutant@google.com>
6681
6682         PR 10471
6683         * resolve.cc (Symbol_table::resolve): Check for references from
6684         dynamic objects to hidden and internal symbols.
6685         * testsuite/Makefile.am (hidden_test.sh): New test.
6686         * testsuite/Makefile.in: Regenerate.
6687         * testsuite/hidden_test.sh: New script.
6688         * testsuite/hidden_test_1.c: New test source.
6689         * testsuite/hidden_test_main.c: New test source.
6690
6691 2009-08-11  Doug Kwan  <dougkwan@google.com>
6692
6693         * arm.cc: Update comments.
6694         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
6695         segment to locate the .ARM.exidx section if present.
6696
6697 2009-08-09  Doug Kwan  <dougkwan@google.com>
6698
6699         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
6700         patch.
6701
6702 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
6703         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
6704         compiler warnings.
6705
6706 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
6707
6708         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
6709         valid tls_segment only for non-debug-section relocations.
6710         * testsuite/Makefile.am: Add gc_tls_test.
6711         * testsuite/Makefile.in: Regenerate.
6712         * testsuite/gc_tls_test.cc: New file.
6713         * testsuite/gc_tls_test.sh: New file.
6714
6715 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
6716
6717         * icf.cc: New file.
6718         * icf.h: New file.
6719         * Makefile.am (CCFILES): Add icf.cc.
6720         (HFILES): Add icf.h
6721         * Makefile.in: Regenerate.
6722         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
6723         * gc.h (gc_process_relocs): Populate lists used by icf to contain
6724         section, symbol and addend information for the relocs.
6725         * gold.cc (queue_middle_tasks): Call identical code folding.
6726         * gold.h: Add defines for multimap.
6727         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
6728         to the call of finalize_local_symbols.
6729         * main.cc (main): Create object of class Icf.
6730         * object.cc (Sized_relobj::do_layout): Allow this function to be
6731         called twice during icf.
6732         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
6733         to sections marked as identical by icf.
6734         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
6735         when available.
6736         (Sized_relobj::do_section_entsize): New function.
6737         * object.h (Object::section_entsize): New function.
6738         (Object::do_section_entsize): New pure virtual function.
6739         (Relobj::finalize_local_symbols): Add new parameter.
6740         (Relobj::do_section_entsize): New function.
6741         * options.h (General_options::icf): New option.
6742         (General_options::icf_iterations): New option.
6743         (General_options::print_icf_sections): New option.
6744         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
6745         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
6746         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
6747         icf.
6748         * symtab.cc (Symbol_table::is_section_folded): New function.
6749         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
6750         to sections marked as identical by icf.
6751         * symtab.h (Symbol_table::set_icf): New function.
6752         (Symbol_table::icf): New function.
6753         (Symbol_table::is_section_folded): New function.
6754         (Symbol_table::icf_): New data member.
6755         * target-reloc.h (relocate_section): Ignore sections folded by icf.
6756         * testsuite/Makefile.am: Add commands to build icf_test.
6757         * testsuite/Makefile.in: Regenerate.
6758         * testsuite/icf_test.sh: New file.
6759         * testsuite/icf_test.cc: New file.
6760
6761 2009-07-24  Chris Demetriou  <cgd@google.com>
6762
6763         * layout.cc (is_compressible_debug_section): Fix incorrect
6764         comment about compressed section names.
6765
6766 2009-07-20  Ian Lance Taylor  <ian@airs.com>
6767
6768         PR 10419
6769         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
6770
6771 2009-07-16  Ian Lance Taylor  <iant@google.com>
6772
6773         PR 10400
6774         * layout.h: #include <map>.
6775         (class Kept_section): Change from struct to class.  Add accessors
6776         and setters.  Add section size to Comdat_group mapping.  Change
6777         Comdat_group to std::map.  Add is_comdat_ field.  Add
6778         linkonce_size field in union.
6779         (class Layout): Update declaration of find_or_add_kept_section.
6780         Don't declare find_kept_object.
6781         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
6782         parameter.  Add object, shndx, is_comdat, and is_group_name
6783         parameters.  Change all callers.  Adjust for new Kept_section.
6784         (Layout::find_kept_object): Remove.
6785         * object.cc (Sized_relobj::include_section_group): Update use of
6786         Kept_section.  Rename secnum to shndx.  Only record
6787         Kept_comdat_section if sections are the same size.
6788         (Sized_relobj::include_linkonce_section): Update use of
6789         Kept_section.  Only record Kept_comdat_section if sections are the
6790         same size.  Set size of linkonce section.
6791         (Sized_relobj::map_to_kept_section): Update call to
6792         get_kept_comdat_section.
6793         * object.h (class Sized_relobj): Rename fields in
6794         Kept_comdat_section to drop trailing underscores; change object
6795         field to Relobj*.  Change Kept_comdat_section_table to store
6796         struct rather than pointer.
6797         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
6798         Add kept_object and kept_shndx parameters.  Change all callers.
6799         (Sized_relobj::get_kept_comdat_section): Change return type to
6800         bool.  Add kept_object and kept_shndx parameters.  Change all
6801         callers.
6802         * plugin.cc (Pluginobj::include_comdat_group): Update call to
6803         Layout::find_or_add_kept_section.
6804
6805 2009-07-09  Ian Lance Taylor  <iant@google.com>
6806
6807         * merge.cc (Object_merge_map::initialize_input_to_output_map):
6808         Reserve space in the hash table.
6809
6810 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
6811
6812         * fileread.cc (File_read::get_mtime): New method.
6813         * fileread.h (Timespec): New structure.
6814         (File_read::get_mtime): New method.
6815         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
6816         Renamed from timestamp_nsec.
6817         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
6818         Elf_Xword.
6819         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
6820         timestamp_nsec.
6821         (Incremental_inputs::report_archive): Save mtime; style fix.
6822         (Incremental_inputs::report_obejct): Save mtime; style fix.
6823         (Incremental_inputs::report_script): Save mtime; style fix.
6824         (Incremental_inputs::finalize_inputs): Style fix.
6825         (Incremental_inputs::finalize): Style fix.
6826         (Incremental_inputs::create_input_section_data): Store inputs
6827         mtime.
6828         * incremental.h (Incremental_inputs::report_script): Add mtime
6829         argument.
6830         (Incremental_inputs::Input_info::Input_info): Intialize only one
6831         union member.
6832         (Incremental_inputs::Input_info::archive): Move to nameless
6833         union.
6834         (Incremental_inputs::Input_info::obejct): Move to nameless union.
6835         (Incremental_inputs::Input_info::script): Move to nameless union.
6836         (Incremental_inputs::mtime): New field.
6837         * script.cc (read_input_script): Pass file mtime to
6838         Incremental_input.
6839         * script.h (Script_info::inputs): Style fix.
6840
6841 2009-07-01  Ian Lance Taylor  <ian@airs.com>
6842
6843         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
6844         instead of 32.
6845
6846 2009-06-24  Ian Lance Taylor  <iant@google.com>
6847
6848         PR 10156
6849         * layout.cc (Layout::choose_output_section): If we find an
6850         existing section, update the flags.
6851         (Layout::create_notes): New function, broken out of
6852         Layout::finalize.
6853         (Layout::finalize): Don't create note sections.
6854         (Layout::create_note): Don't crash if linker script discards
6855         section.
6856         (Layout::create_gold_note): Likewise.
6857         (Layout::create_build_id): Likewise.  Don't set
6858         after_input_sections on the section.
6859         (Layout::create_executable_stack_info): Remove target parameter.
6860         Change caller.
6861         * layout.h (class Layout): Declare create_notes.  Update
6862         declaration of create_executable_stack_info.
6863         * gold.cc (queue_middle_tasks): Call create_notes.
6864         * output.cc (Output_section::update_flags_for_input_section): Move
6865         here from output.h.  If SHF_ALLOC flag is newly set, mark address
6866         invalid.
6867         * output.h (Output_data::mark_address_invalid): New function.
6868         (class Output_section): Only declare, not define,
6869         update_flags_for_input_section.  Remove set_flags.
6870
6871 2009-06-24  Ian Lance Taylor  <iant@google.com>
6872
6873         * script-sections.cc (Output_section_definition::
6874         set_section_addresses): Rename shadowing local load_address to
6875         laddr.
6876
6877 2009-06-24  Ian Lance Taylor  <iant@google.com>
6878
6879         PR 10244
6880         * reloc.cc (relocate_sections): Skip empty relocation sections.
6881
6882 2009-06-23  Ian Lance Taylor  <iant@google.com>
6883
6884         PR 10156
6885         * layout.cc (Layout::create_note): Use choose_output_section
6886         rather than make_output_section.
6887
6888 2009-06-23  Ian Lance Taylor  <iant@google.com>
6889
6890         PR 10237
6891         * options.cc (General_options::parse_V): Set printed_version_.
6892         (General_options::General_options): Initialize printed_version_.
6893         * options.h (class General_options): Add printed_version_ field.
6894         * gold.cc (queue_initial_tasks): If there are no input files,
6895         don't give a fatal error if we printed the version information.
6896         (queue_middle_tasks): If using -r with a shared object, give a
6897         fatal error rather than an ordinary error.
6898
6899 2009-06-23  Ian Lance Taylor  <iant@google.com>
6900
6901         PR 10219
6902         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
6903         (Layout::make_output_section): Set have_stabstr_section_ if we see
6904         a .stab*str section.
6905         (Layout::finalize): Call link_stabs_sections.
6906         (Layout::link_stabs_sections): New file.
6907         * layout.h (class Layout): Add have_stabstr_section_ field.
6908         Declare link_stabs_sections.
6909
6910 2009-06-23  Doug Kwan  <dougkwan@google.com>
6911
6912         * Makefile.am (libgold_a_LIBADD): New.
6913         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
6914         * Makefile.in: Regenerate.
6915         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
6916         * configure: Regenerate.
6917         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
6918         * fileread.cc: Include sys/state.h
6919         * gold.h: Declare memmem and strndup if found missing.
6920         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
6921
6922 2009-06-23  Ian Lance Taylor  <iant@google.com>
6923
6924         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
6925         * configure: Rebuild.
6926
6927 2009-06-23  Ian Lance Taylor  <iant@google.com>
6928
6929         PR 10147
6930         * object.cc (Object::section_contents): Don't try to get a view if
6931         the section has length zero.
6932         (Object::handle_gnu_warning_section): If the section is empty, use
6933         the name of the section as the warning.
6934
6935 2009-06-23  Ian Lance Taylor  <iant@google.com>
6936
6937         PR 10133
6938         * stringpool.h (class Stringpool_template): Add optimize_ field.
6939         (Stringpool_template::set_optimize): New function.
6940         * stringpool.cc (Stringpool_template::Stringpool_template):
6941         Initialize optimize_ field.
6942         (Stringpool_template::set_string_offsets): Test local optimize
6943         fild rather than parameter.
6944         * layout.cc (Layout::Layout): Call set_optimize on the section
6945         name stringpool.
6946
6947 2009-06-22  Ian Lance Taylor  <iant@google.com>
6948
6949         PR 10030
6950         * yyscript.y: Parse TARGET.
6951         * script.cc (script_set_target): New function.
6952         * script-c.h (script_set_target): Declare.
6953         * options.cc (General_options::string_to_object_format): Rename
6954         from string_to_object_format in anonymous namespace.  Change
6955         callers.
6956         * options.h (class General_options): Declare
6957         string_to_object_format.
6958
6959 2009-06-22  Ian Lance Taylor  <iant@google.com>
6960
6961         * script-sections.cc (Script_sections::create_segments): Don't put
6962         program headers in a PT_LOAD segment if -n or -N.
6963
6964 2009-06-22  Ian Lance Taylor  <iant@google.com>
6965
6966         PR 10141
6967         * options.h (class General_options): Add -z lazy and -z now.  Sort
6968         -z options into alphabetical order.
6969         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
6970
6971 2009-06-21  Ian Lance Taylor  <iant@google.com>
6972
6973         * layout.cc (Layout::make_output_section): Call
6974         Target::new_output_section.
6975         (Layout::attach_allocated_section_to_segment): Put large section
6976         sections in a separate load segment with the large segment flag
6977         set.
6978         (Layout::segment_precedes): Sort large data segments after other
6979         load segments.
6980         (align_file_offset): New static function.
6981         (Layout::set_segment_offsets): Use align_file_offset.
6982         * output.h (class Output_section): Add is_small_section_ and
6983         is_large_section_ fields.
6984         (Output_section::is_small_section): New function.
6985         (Output_section::set_is_small_section):  New function.
6986         (Output_section::is_large_section): New function.
6987         (Output_section::set_is_large_section): New function.
6988         (Output_section::is_large_data_section): New function.
6989         (class Output_segment): Add is_large_data_segment_ field.
6990         (Output_segment::is_large_data_segment): New function.
6991         (Output_segment::set_is_large_data_segment): New function.
6992         * output.cc (Output_section::Output_section): Initialize new
6993         fields.
6994         (Output_segment::Output_segment): Likewise.
6995         (Output_segment::add_output_section): Add assertion that large
6996         data sections always go in large data segments.  Force small data
6997         sections to the end of the list of data sections.  Force small BSS
6998         sections to the start of the list of BSS sections.  For large BSS
6999         sections to the end of the list of BSS sections.
7000         * symtab.h (class Symbol): Declare is_common_shndx.
7001         (Symbol::is_defined): Check Symbol::is_common_shndx.
7002         (Symbol::is_common): Likewise.
7003         (class Symbol_table): Define enum Commons_section_type.  Update
7004         declarations.  Add small_commons_ and large_commons_ fields.
7005         * symtab.cc (Symbol::is_common_shndx): New function.
7006         (Symbol_table::Symbol_table): Initialize new fields.
7007         (Symbol_table::add_from_object): Put small and large common
7008         symbols in the right list.
7009         (Symbol_table::sized_finalized_symbol): Check
7010         Symbol::is_common_shndx.
7011         (Symbol_table::sized_write_globals): Likewise.
7012         * common.cc (Symbol_table::do_allocate_commons): Allocate new
7013         common symbol lists.  Don't call do_allocate_commons_list if the
7014         list is empty.
7015         (Symbol_table::do_allocate_commons_list): Remove is_tls
7016         parameter.  Add comons_section_type parameter.  Change all
7017         callers.  Handle small and large common symbols.
7018         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
7019         Symbol::is_common_shndx.
7020         * resolve.cc (symbol_to_bits): Likewise.
7021         * target.h (Target::small_common_shndx): New function.
7022         (Target::small_common_section_flags): New function.
7023         (Target::large_common_shndx): New function.
7024         (Target::large_common_section_flags): New function.
7025         (Target::new_output_section): New function.
7026         (Target::Target_info): Add small_common_shndx, large_common_shndx,
7027         small_common_section_flags, and large_common_section_flags
7028         fields.
7029         (Target::do_new_output_section): New virtual function.
7030         * arm.cc (Target_arm::arm_info): Initialize new fields.
7031         * i386.cc (Target_i386::i386_info): Likewise.
7032         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
7033         Likewise.
7034         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
7035         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7036         (Target_x86_64::do_new_output_section): New function.
7037         * configure.ac: Define conditional MCMODEL_MEDIUM.
7038         * testsuite/Makefile.am (check_PROGRAMS): Add large.
7039         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
7040         (large_LDFLAGS): Define.
7041         * testsuite/large.c: New file.
7042         * testsuite/testfile.cc (Target_test::test_target_info):
7043         Initialize new fields.
7044         * configure, testsuite/Makefile.in: Rebuild.
7045
7046 2009-06-05  Doug Kwan  <dougkwan@google.com>
7047
7048         * Makefile.am (CCFILES): Add target.cc.
7049         * Makefile.in: Regenerate.
7050         * i386.cc (class Target_i386): Define new virtual method to
7051         override do_is_local_label_name in parent.
7052         * object.cc (Sized_relobj::do_count_local_symbols): Discard
7053         local symbols if --discard-locals or -X is given.
7054         * options.h (class General_options): Declare new options
7055         '--discard-locals' and '-X' for discarding locals.
7056         * target.h (class Target): Define new methods is_local_label_name.
7057         Declare new virtual method do_is_local_label_name.
7058         * target.cc: New file.
7059         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
7060         (check_SCRIPTS): Add discard_locals_test.sh.
7061         (check_DATA): Add discard_local_tests.syms.
7062         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
7063         (discard_local_tests.syms, discard_locals_test.o): New make rules.
7064         * testsuite/Makefile.in: Regenerate.
7065         * testsuite/discard_locals_test.c: New file.
7066         * testsuite/discard_locals_test.sh: Same.
7067
7068 2009-06-05  Doug Kwan  <dougkwan@google.com>
7069
7070         * object.cc (Sized_relobj::Sized_relobj): Initialize
7071         discarded_eh_frame_shndx_ to -1U.
7072         (Sized_relobj::do_layout): Record index of a discard .eh_frame
7073         section.
7074         (Sized_relobj::do_count_local_symbols): Skip local symbols in
7075         a discarded .eh_frame section.
7076         (Sized_relobj::do_finalize_local_symbols): Ditto.
7077         * object.h (class Sized_relobj): Declare new member
7078         discarded_eh_frame_shndx_.
7079         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
7080         (local_labels_test.o, local_labels_test): New rules.
7081         * testsuite/Makefile.in: Regenerate.
7082
7083 2009-06-04  Doug Kwan  <dougkwan@google.com>
7084
7085         * layout.cc (Layout::section_name_mapping): Add mapping for
7086         special ARM sections.
7087
7088 2009-06-03  Doug Kwan  <dougkwan@google.com>
7089
7090         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
7091         (utils::has_overflow): Same.
7092
7093 2009-06-03  Ian Lance Taylor  <iant@google.com>
7094
7095         * layout.cc (Layout::section_name_mapping): New array, replacing
7096         Layout::linkonce_mapping.
7097         (Layout::section_name_mapping_count): New variable, replacing
7098         Layout::linkonce_mapping_count.
7099         (Layout::linkonce_output_name): Remove.
7100         (Layout::output_section_name): Rewrite.
7101         * layout.h (class Layout): Rename Linkonce_mapping to
7102         Section_name_mapping, linkonce_mapping to section_name_mapping,
7103         linkonce_mapping_count to section_name_mapping_count.  Don't
7104         declare linkonce_output_name.
7105
7106 2009-06-03  Doug Kwan  <dougkwan@google.com>
7107
7108         * gold/arm.cc (namespace utils): New.
7109         (Target_arm::reloc_is_non_pic): Define new method.
7110         (class Arm_relocate_functions): New.
7111         (Target_arm::Relocate::relocate): Handle relocation types used by
7112         Android.
7113
7114 2009-06-03  Ian Lance Taylor  <iant@google.com>
7115
7116         * arm.cc (Target_arm::scan::global): Use || instead of |.
7117
7118 2009-06-02  Doug Kwan  <dougkwan@google.com>
7119
7120         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
7121         issued_non_pic_error_.
7122         (class Target_arm::Scan): Declare new method check_non_pic.
7123         Define new method symbol_needs_plt_entry.
7124         Declare new data member issued_non_pic_error_.
7125         (class Target_arm::Relocate): Declare new method
7126         should_apply_static_reloc.
7127         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
7128         (Target_arm::Scan::check_non_pic): Define new method.
7129         (Target_arm::Scan::local): Handle a small subset of reloc types used
7130         by Android.
7131         (Target_arm::Scan::local): Same.
7132         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
7133
7134 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
7135
7136         * incremental.cc (Incremental_inputs::report_command_line): Filter
7137         out --incremental-* options.
7138
7139 2009-05-29  Doug Kwan  <dougkwan@google.com>
7140
7141         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
7142         template class.
7143         (class Target_arm): Update comment.
7144         (Target_arm::Target_arm): Initialize new data members GOT_,
7145         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
7146         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
7147         and Target_arm::rel_dyn_section.
7148         Declare new_enum Target_arm::Got_type.
7149         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
7150         and DYNBSS_.
7151         Update commments for member do_dynsym_value.
7152         (Target_arm::got_size, Target_arm::plt_section,
7153         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
7154         new methods inside class defintion.
7155         (Target_arm::got_section): Define new method.
7156         (Target_arm::rel_dyn_section): Same.
7157         (Output_data_plt_arm): New template class.
7158         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
7159         (Output_data_plt_arm:do_adjust_output_section): Define new method.
7160         (Output_data_plt_arm::add_entry): Same.
7161         (Output_data_plt_arm::first_plt_entry): Define new
7162         static data member for PLT instruction template.
7163         (Output_data_plt_arm::plt_entry): Same.
7164         (Output_data_plt_arm::do_write): Define new method.
7165         (Target_arm::make_plt_entry): Same.
7166         (Target_arm::do_finalize_sections): Same.
7167         (Target_arm::do_dynsym_value): Same.
7168
7169 2009-05-28  Doug Kwan  <dougkwan@google.com>
7170
7171         * Makefile.am (TARGETSOURCES): Add arm.cc.
7172         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
7173         * Makefile.in: Regenerate.
7174         * arm.cc: New file.
7175         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
7176
7177 2009-05-26  Doug Kwan  <dougkwan@google.com>
7178
7179         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
7180         (General_options::check_excluded_libs): Strip off directories in
7181         archive name before matching like GNU ld does.
7182         * testsuite/Makefile.am (MOSTLYCLEANFILES,
7183         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
7184         (exclude_libs_test_LDFLAGS): Add linker option
7185         -Wl,--exclude-libs,libexclude_libs_test_3
7186         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
7187         an explicit archive without using -l.
7188         (alt/libexclude_libs_test_3.a): New make rule.
7189         * testsuite/Makefile.in: Regenerate.
7190         * testsuite/exclude_libs_test.c : Declare lib3_default().
7191         (main): Call it.
7192         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
7193         * exclude_libs_test_3.c: New file.
7194
7195 2009-05-26  Nick Clifton  <nickc@redhat.com>
7196
7197         * po/id.po: New Indonesian translation.
7198         * po/gold.pot: Updated template file.
7199
7200 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
7201
7202         * testsuite/Makefile.am: Add -ffunction-sections to compile
7203         gc_comdat_test files.  Add -Wl,--gc-sections to build
7204         gc_comdat_test.
7205         * testsuite/Makefile.in: Regenerate.
7206         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
7207
7208 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
7209
7210         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
7211         kept comdat section was garbage collected.
7212         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
7213         * testsuite/Makefile.in: Regenerate.
7214         * testsuite/gc_comdat_test.sh: New file.
7215         * testsuite/gc_comdat_test_1.cc: New file.
7216         * testsuite/gc_comdat_test_2.cc: New file.
7217
7218 2009-05-19  Doug Kwan  <dougkwan@google.com>
7219
7220         * archive.cc (Archive::Archive): Move constructor from archive.h
7221         to here.  Initialize no_export_.
7222         (Archive::get_elf_object_for_member): Set no_export flag of object.
7223         * archive.h (Archive::Archive): Move constructor body to
7224         archive.cc.
7225         (Archive::no_export): New method.
7226         (Archive::no_export_): New field.
7227         * object.h (Object::Object): Initialize no_export_ to false.
7228         (Object::no_export, Object::set_no_export): New methods.
7229         (Object::no_export_): New field.
7230         * options.cc (General_options::parse_exclude_libs): New method.
7231         (General_options::check_excluded_libs) Same.
7232         * options.h (exclude_libs): New option.
7233         (General_options::check_excluded_libs): New method declaration.
7234         (General_options::excluded_libs_): New field.
7235         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
7236         default or protected visibility if an object has no-export flag set.
7237         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
7238         (check_SCRIPTS): Add exclude_libs_test.sh.
7239         (check_DATA): Add exclude_libs_test.syms.
7240         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
7241         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
7242         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
7243         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
7244         (exclude_libs_test.syms, libexclude_libs_test_1.a,
7245         libexclude_libs_test_2.a): New rules.
7246         * testsuite/Makefile.in: Regenerate.
7247         * testsuite/exclude_libs_test.c: New file.
7248         * testsuite/exclude_libs_test.sh: Ditto.
7249         * testsuite/exclude_libs_test_1.c: Ditto.
7250         * testsuite/exclude_libs_test_2.c: Ditto.
7251
7252 2009-05-15  Ian Lance Taylor  <iant@google.com>
7253
7254         * configure.ac: Check for declarations for cases where libiberty.h
7255         checks HAVE_DECL_xxx.
7256         * configure, config.in: Rebuild.
7257
7258 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
7259
7260         * gold.h (Incremental_argument_list): Remove (invalid) forward
7261         declaration.
7262         * incremental.cc (Incremental_inputs::report_achive): New method.
7263         (Incremental_inputs::report_object): New method.
7264         (Incremental_inputs::report_script): New method.
7265         (Incremental_inputs::finalize_inputs): New method.
7266         (Incremental_inputs::finalize): Call finalize_inputs().
7267         (Incremental_inputs::sized_create_incremental_inputs_section_data):
7268         Create inputs entries.
7269         * incremental.h (Incremental_input_type): New enum.
7270         (Incremental_inputs::Incremental_input): Initialize new fields.
7271         (Incremental_inputs::report_inputs): New method.
7272         (Incremental_inputs::report_achive): New method.
7273         (Incremental_inputs::report_object): New method.
7274         (Incremental_inputs::report_script): New method.
7275         (Incremental_inputs::finalize_inputs): New method.
7276         (Incremental_inputs::Input_info): New struct.
7277         (Incremental_inputs::Input_info_map): New typedef.
7278         (Incremental_inputs::lock_): New field.
7279         (Incremental_inputs::Inputs_): New field.
7280         (Incremental_inputs::Inputs_map): New field.
7281         * main.cc (main): Call Incremental_input::report_inputs.
7282         * options.h (Input_argument_list): Typedef moved from
7283         Input_arguments.
7284         (Input_file_group::Files): Remove, use ::Input_argument_list.
7285         (Input_file_group::Input_argument_list): Remove, use
7286         ::Input_argument_list.
7287         * plugin.cc (Plugin_manager::add_input_file): Add error in
7288         incremental build.
7289         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
7290         functions.
7291         * script.cc (read_input_script): Call
7292         Incremental_input::report_script.
7293         * script.h (Script_info): New class.
7294
7295 2009-04-27  Ian Lance Taylor  <iant@google.com>
7296
7297         * x86_64.cc (do_adjust_output_section): Set entsize to
7298         plt_entry_size.
7299
7300 2009-04-23  Elliott Hughes  <enh@google.com>
7301
7302         * output.cc (Output_file::close): After short writes, continue
7303         writing from the correct offset in the buffer being written.
7304
7305 2009-04-23  Chris Demetriou  <cgd@google.com>
7306
7307         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
7308         * configure: Regenerate.
7309         * config.in: Regenerate.
7310         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
7311         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
7312
7313 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
7314
7315         * incremental.cc (Incremental_inputs_header_data): Renamed from
7316         Incremental_input_header_data.
7317         (Incremental_inputs_header_data::data_size): New field.
7318         (Incremental_inputs_header_data::put_input_file_count): Renamed
7319         from input_file_count.
7320         (Incremental_inputs_header_data::put_command_line_offset): Renamed
7321         from command_line_offset.
7322         (Incremental_inputs_header_data::put_reserved): Renamed from
7323         put_reserved.
7324         (Incremental_inputs_entry_data): Renamed from
7325         Incremental_input_entry_data.
7326         (Incremental_inputs_entry_data::data_size): New field.
7327         (Incremental_inputs::report_command_line): New method.
7328         (Incremental_inputs::finalize): New method.
7329         (Incremental_inputs::create_incremental_inputs_data): New method.
7330         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
7331         * incremental.h: New file.
7332         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
7333        (Layout::finalize): Create incremental inputs section in
7334         incremental builds.
7335        (Layout::create_incremental_info_sections): New method.
7336         * layout.h (Layout::incremental_inputs): New method.
7337        (Layout::create_incremental_info_sections): New method.
7338        (Layout::incremental_inputs_): New field.
7339         * main.cc (main): Notify Incremental_input of the command line.
7340
7341 2009-04-01  Ian Lance Taylor  <iant@google.com>
7342             Mikolaj Zalewski  <mikolajz@google.com>
7343
7344         * gold.h (reserve_unordered_map): Define, three versions, one for
7345         each version of Unordered_map.
7346         * layout.cc (Layout::Layout): Remove options parameter.  Add
7347         number_of_input_files parameter.  Don't initialize options_.
7348         Initialize number_of_input_files_ and resized_signatures_.  Move
7349         sections_are_attached_.
7350         (Layout::layout_group): Reserve space for group_signatures_.
7351         (Layout::find_or_add_kept_section): Change name parameter to be a
7352         reference.  Resize signatures_ map when it gets large enough.
7353         (Layout::layout_eh_frame): Use parameters->options() instead of
7354         this->options_.
7355         (Layout::make_output_section): Likewise.
7356         (Layout::attach_allocated_section_to_segment): Likewise.
7357         (Layout::finalize, Layout::create_executable_stack): Likewise.
7358         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
7359         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
7360         * layout.h (class Layout): Update declarations.  Remove options_
7361         field.  Add number_of_input_files_ and resized_signatures_
7362         fields.  Move sections_are_attached_ field.
7363         * main.cc (main): Pass number of input files to Layout
7364         constructor.  Don't pass options.
7365
7366 2009-03-30  Ian Lance Taylor  <iant@google.com>
7367
7368         * ffsll.c (ffsll): Correct implementation.
7369
7370 2009-03-27  Ian Lance Taylor  <iant@google.com>
7371
7372         * ffsll.c: New file.
7373         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
7374         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
7375         * ftruncate.c (ftruncate): Declare before definition.
7376         * mremap.c (mremap): Likewise.
7377         * pread.c (pread): Likewise.
7378         * configure, Makefile.in, config.in: Rebuild.
7379
7380         * mremap.c: New file.
7381         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
7382         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
7383         (mremap): Declare if HAVE_MREMAP is not defined.
7384         * configure, Makefile.in, config.in: Rebuild.
7385
7386 2009-03-27  Cary Coutant  <ccoutant@google.com>
7387
7388         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
7389         position independent.
7390         * sparc.cc (Target_sparc::check_non_pic): Likewise.
7391         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
7392
7393 2009-03-24  Cary Coutant  <ccoutant@google.com>
7394
7395         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
7396         an executable.
7397         (needs_dynamic_reloc): Likewise.
7398
7399 2009-03-24  Ian Lance Taylor  <iant@google.com>
7400
7401         * yyscript.y (file_cmd): Recognize EXTERN.
7402         (extern_name_list, extern_name_list_body): New nonterminals.
7403         * script.cc (script_add_extern): Define.
7404         * script-c.h (script_add_extern): Declare.
7405
7406 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
7407
7408         * object.cc (is_elf_object): Define.
7409         * object.h (is_elf_object): Declare.
7410         * archive.cc (Archive::get_elf_object_for_member): Call
7411         is_elf_object.
7412         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
7413
7414 2009-03-24  Elliott Hughes  <enh@google.com>
7415
7416         * output.cc (Output_file::map_anonymous): Define.
7417         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
7418         try an anonymous one.  Report the size if the mmap fails.
7419         * output.h (class Output_file): Declare map_anonymous.
7420
7421 2009-03-24  Ian Lance Taylor  <iant@google.com>
7422
7423         * target-select.cc (instantiate_target): Don't acquire the lock if
7424         the instantiated_target_ field has already been set.
7425
7426 2009-03-23  Ian Lance Taylor  <iant@google.com>
7427
7428         * gold-threads.h (class Initialize_lock): Define.
7429         * gold-threads.cc (class Initialize_lock_once): Define.
7430         (initialize_lock_control): New static variable.
7431         (initialize_lock_pointer): New static variable.
7432         (initialize_lock_once): New static function.
7433         (Initialize_lock::Initialize_lock): Define.
7434         (Initialize_lock::initialize): Define.
7435         * target-select.h: Include "gold-threads.h".
7436         (class Target_selector): Add lock_ and initialize_lock_ fields.
7437         Don't define instantiate_target, just declare it.
7438         * target-select.cc (Target_selector::Target_selector): Initialize
7439         new fields.
7440         (Target_selector::instantiate_target): Define.
7441         * descriptors.h: Include "gold-threads.h".
7442         (class Descriptors): Add initialize_lock_ field.
7443         * descriptors.cc (Descriptors::Descriptors): Initialize new
7444         field.
7445         (Descriptors::open): Use initialize_lock_ field
7446         * errors.h (class Errors): Add initialize_lock_ field.
7447         * errors.cc (Errors::Errors): Initialize new field.
7448         (Errors::initialize_lock): Use initialize_lock_ field.
7449         * powerpc.cc (class Target_selector_powerpc): Remove
7450         instantiated_target_ field.  In do_recognize call
7451         instantiate_target rather than do_instantiate_target.  In
7452         do_instantiate_target just allocate a new target.
7453         * sparc.cc (class Target_selector_sparc): Likewise.
7454
7455         * freebsd.h: New file.
7456         * i386.cc: Include "freebsd.h".
7457         (Target_i386): Derive from Target_freebsd rather than
7458         Sized_target.
7459         (Target_selector_i386): Derive from Target_selector_freebsd rather
7460         than Target_selector.
7461         * x86_64.cc: Include "freebsd.h".
7462         (Target_x86_64): Derive from Target_freebsd rather than
7463         Sized_target.
7464         (Target_selector_x86_64): Derive from Target_selector_freebsd
7465         rather than Target_selector.
7466         * target.h (class Target): Add adjust_elf_header and
7467         do_adjust_elf_header.
7468         * output.cc (Output_file_header:: do_sized_write): Call target
7469         adjust_elf_header routine.
7470         * configure.tgt: Set targ_osabi.
7471         * configure.ac: Define GOLD_DEFAULT_OSABI.
7472         * parameters.cc (Parameters::default_target): Pass
7473         GOLD_DEFAULT_OSABI to select_target.
7474         * target-select.h (class Target_selector): Make instantiate_target
7475         protected rather than private.
7476         * Makefile.am (HFILES): Add freebsd.h.
7477         * configure, Makefile.in, config.in: Rebuild.
7478
7479         * merge.cc (do_add_input_section): Correct pend value.  Change
7480         message about last entry not being null terminated from error to
7481         warning.
7482
7483 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
7484
7485         * incremental.cc: New file.
7486         * Makefile.am (CCFILES): Add incremental.cc.
7487         * Makefile.in: Rebuild.
7488
7489 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
7490
7491         * layout.cc (Layout::output_section_name): Preserve names
7492         of '.note.' sections.
7493
7494 2009-03-19  Ian Lance Taylor  <iant@google.com>
7495
7496         * descriptors.cc (Descriptors::open): Check that the options are
7497         valid before using them.
7498
7499 2009-03-18  Ian Lance Taylor  <iant@google.com>
7500
7501         * script-sections.h: Include <list>.
7502         (class Script_sections): Change Sections_elements from std::vector
7503         to std::list.  Typedef public Elements_iterator.  Add
7504         orphan_section_placement_, data_segment_align_start_, and
7505         saw_data_segment_align_ fields.  Remove data_segment_align_index_
7506         field.
7507         * script-sections.cc (class Orphan_section_placement): New class.
7508         (class Sections_element): Add virtual functions is_relro and
7509         orphan_section_init.  Remove virtual function place_orphan_here.
7510         (class Output_section_definition): Add is_relro and
7511         orphan_section_init.  Remove place_orphan_here.
7512         (class Orphan_output_section): Likewise.
7513         (Script_sections::Script_sections): Update for field changes.
7514         (Script_sections::data_segment_align): Set saw_data_segment_align_
7515         and data_segment_align_start_, not data_segment_align_index.
7516         (Script_sections::data_segment_relro_end): Check
7517         saw_data_segment_align_.  Use data_segment_align_start_ rather
7518         than data_segment_align_index_.
7519         (Script_sections::place_orphan): Rewrite to use
7520         Orphan_section_placement.
7521
7522 2009-03-17  Ian Lance Taylor  <iant@google.com>
7523
7524         * archive.cc (Archive::add_symbols): Check for a version attached
7525         to the symbol name in the archive map.
7526         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
7527         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
7528         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
7529         (ver_test_11.a): New target.
7530         * testsuite/Makefile.in: Rebuild.
7531
7532         * configure.ac: Check for chsize and posix_fallocate.  Replace
7533         ftruncate.
7534         * ftruncate.c: New file, from gnulib.
7535         * output.cc (posix_fallocate): Define dummy version if not
7536         HAVE_POSIX_FALLOCATE.
7537         (Output_file::map): Call posix_fallocate rather than lseek and
7538         write.
7539         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
7540         * configure, Makefile.in, config.in: Rebuild.
7541
7542 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
7543
7544         * layout.h (Layout::create_note): Add section_name parameter.
7545         * layout.cc (Layout::create_note): Likewise.
7546         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
7547
7548 2009-03-17  Ian Lance Taylor  <iant@google.com>
7549
7550         * descriptors.cc: Include "options.h".
7551         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
7552         (Descriptors::open): Always use O_CLOEXEC when opening a new
7553         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
7554         then set FD_CLOEXEC.
7555
7556         * sparc.cc (class Target_sparc): Add has_got_section.
7557         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
7558         make sure we have a GOT section.
7559
7560         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
7561         (Target_sparc::Scan::local): Likewise.
7562         (Target_sparc::Scan::global): Likewise.
7563         (Target_sparc::Relocate::relocate): Likewise.
7564         (Target_sparc::Relocate::relocate_tls): Likewise.
7565
7566         * symtab.cc (Symbol_table::define_default_version): New function,
7567         broken out of add_from_object.
7568         (Symbol_table::add_from_object): Call define_default_version.
7569         (Symbol_table::define_special_symbol): Add resolve_oldsym
7570         parameter.  Change all callers.  If the version for a symbol comes
7571         from a version script, resolve it with the symbol with the same
7572         name with no version.  Also add the symbol without a version if
7573         appropriate.
7574         (do_define_in_output_data): If resolving with oldsym, don't delete
7575         sym.
7576         (do_define_in_output_segment): Likewise.
7577         (do_define_as_constant): Likewise.
7578         * symtab.h (class Symbol_table): Update declarations.
7579
7580 2009-03-13  Ian Lance Taylor  <iant@google.com>
7581
7582         * readsyms.cc (Read_symbols::incompatible_warning): New function.
7583         (Read_symbols::requeue): New function.
7584         (Read_symbols::do_read_symbols): If make_elf_object fails because
7585         the target type is not configured, and the file was searched for,
7586         issue a warning and retry with the next directory.
7587         (Add_symbols::run): If the file has an incompatible format, and
7588         it was searched for, requeue the Read_symbols task.  On error,
7589         release the object.
7590         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
7591         dirindex parameter to constructor.  Change all callers.  Declare
7592         incompatible_warning and requeue.
7593         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
7594         input_argument_ and input_group_ fields.  Add them to
7595         constructor.  Change all callers.
7596         (class Read_script): Add dirindex_ field.  Add it to constructor.
7597         Change all callers.
7598         * archive.cc (Archive::setup): Remove input_objects parameter.
7599         Change all callers.
7600         (Archive::get_file_and_offset): Likewise.
7601         (Archive::read_all_symbols): Likewise.
7602         (Archive::read_symbols): Likewise.
7603         (Archive::get_elf_object_for_member): Remove input_objects
7604         parameter.  Add punconfigured parameter.  Change all callers.
7605         (Archive::add_symbols): Change return type to bool.  Check return
7606         value of include_member.
7607         (Archive::include_all_members): Likewise.
7608         (Archive::include_member): Change return type to bool.  Return
7609         false if first included object has incompatible target.  Set
7610         included_member_ field.
7611         (Add_archive_symbols::run): If add_symbols returns false, requeue
7612         Read_symbols task.
7613         * archive.h (class Archive): Add included_member_ field.
7614         Initialize it in constructor.  Add input_file and searched_for
7615         methods.  Update declarations.
7616         (class Add_archive_symbols): Add dirpath_, dirindex_, and
7617         input_argument_ fields.  Add them to constructor.  Change all
7618         callers.
7619         * script.cc: Include "target-select.h".
7620         (class Parser_closure): Add skip_on_incompatible_target_ and
7621         found_incompatible_target_ fields.  Add
7622         skip_on_incompatible_target parameter to constructor.  Change all
7623         callers.  Add methods skip_on_incompatible_target,
7624         clear_skip_on_incompatible_target, found_incompatible_target, and
7625         set_found_incompatible_target.
7626         (read_input_script): Add dirindex parameter.  Change all callers.
7627         If parser finds an incompatible target, requeue Read_symbols
7628         task.
7629         (script_set_symbol): Clear skip_on_incompatible_target in
7630         closure.
7631         (script_add_assertion, script_parse_option): Likewise.
7632         (script_start_sections, script_add_phdr): Likewise.
7633         (script_check_output_format): New function.
7634         * script.h (read_input_script): Update declaration.
7635         * script-c.h (script_check_output_format): Declare.
7636         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
7637         (ignore_cmd): Remove OUTPUT_FORMAT.
7638         * fileread.cc (Input_file::Input_file): Add explicit this.
7639         (Input_file::will_search_for): New function.
7640         (Input_file::open): Add pindex parameter.  Change all callers.
7641         * fileread.h (class Input_file): Add input_file_argument method.
7642         Declare will_search_for.  Update declarations.
7643         * object.cc (make_elf_object): Add punconfigured parameter.
7644         Change all callers.
7645         * object.h (class Object): Make input_file public.  Add
7646         searched_for method.
7647         (make_elf_object): Update declaration.
7648         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
7649         restart search.
7650         * dirsearch.h (class Dirsearch): Update declaration.
7651         * options.h (class General_options): Add --warn-search-mismatch.
7652         * parameters.cc (Parameters::is_compatible_target): New function.
7653         * parameters.h (class Parameters): Declare is_compatible_target.
7654         * workqueue.cc (Workqueue::add_blocker): New function.
7655         * workqueue.h (class Workqueue): Declare add_blocker.
7656
7657         * fileread.cc (Input_file::open): Remove options parameter.
7658         Change all callers.
7659         (Input_file::open_binary): Likewise.
7660         * script.cc (read_input_script): Likewise.
7661         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
7662         options parameter from constructor.  Change all callers.
7663         (class Read_script): Likewise.
7664         * fileread.h (class Input_file): Update declarations.
7665         * script.h (read_input_script): Update declaration.
7666
7667 2009-03-10  Nick Clifton  <nickc@redhat.com>
7668
7669         * po/es.po: New Spanish translation.
7670
7671 2009-03-06  Cary Coutant  <ccoutant@google.com>
7672
7673         * options.cc (parse_short_option): Keep dash_z from registering itself.
7674
7675 2009-03-03  Ian Lance Taylor  <iant@google.com>
7676
7677         PR 9918
7678         * target-reloc.h (relocate_section): Pass output_section to
7679         relocate.
7680         * i386.cc (Target_i386::should_apply_static_reloc): Add
7681         output_section parameter.  Change all callers.
7682         (Target_i386::Relocate::relocate): Add output_section parameter.
7683         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7684         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
7685         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
7686         * testsuite/two_file_shared.sh: New script.
7687         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
7688         (check_DATA): Add two_file_shared.dbg.
7689         (two_file_shared.dbg): New target.
7690         * testsuite/Makefile.in: Rebuild.
7691
7692 2009-03-01  Ian Lance Taylor  <iant@google.com>
7693
7694         * configure.ac: Check for byteswap.h.
7695         * configure: Rebuild.
7696         * config.in: Rebuild.
7697
7698 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
7699
7700         * layout.cc (Layout::find_or_add_kept_section): New function.
7701         (Layout::add_comdat): Removed.
7702         * layout.h (struct Kept_section): Move out of class Layout.
7703         Remove trailing underscores from field names.  Add group_sections
7704         field.  Rename group_ field to is_group.  Change all uses.
7705         (class Layout): Declare find_or_add_kept_section, not add_comdat.
7706         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
7707         comdat_groups_ field.
7708         (Sized_relobj::include_section_group): Use
7709         find_or_add_kept_section and Kept_section::group_sections.
7710         (Sized_relobj::include_linkonce_section): Likewise.
7711         * object.cc (class Sized_relobj): Don't define Comdat_group or
7712         Comdat_group_table.  Remove find_comdat_group and
7713         add_comdat_group.  Remove comdat_groups_ field.
7714         * plugin.cc (include_comdat_group): Use
7715         Layout::find_or_add_kept_section.
7716
7717 2009-02-28  Ian Lance Taylor  <iant@google.com>
7718
7719         * README: --gc-sections and map files are now supported.  Document
7720         some build requirements.
7721
7722         PR 6992
7723         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
7724         relocatable link set the value of the section symbol to zero.
7725         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7726         relocatable link don't include the section address in the local
7727         symbol value.
7728
7729 2009-02-27  Ian Lance Taylor  <iant@google.com>
7730
7731         PR 6811
7732         * options.h (class Search_directory): Add is_system_directory.
7733         (class General_options): Declare is_in_system_directory.
7734         * options.cc (get_relative_sysroot): Make static.
7735         (get_default_sysroot): Make static.
7736         (General_optoins::is_in_system_directory): New function.
7737         * fileread.cc (Input_file::is_in_system_directory): New function.
7738         * fileread.h (class Input_file): Declare is_in_system_directory.
7739         * object.h (class Object): Add is_in_system_directory.
7740         (class Input_objects): Remove system_library_directory_ field.
7741         * object.cc (Input_objects::add_object): Don't set
7742         system_library_directory_.
7743         (input_objects::found_in_system_library_directory): Remove.
7744         * symtab.cc (Symbol_table::write_globals): Remove input_objects
7745         parameter.  Change all callers.
7746         (Symbol_table::sized_write_globals): Likewise.
7747         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
7748         Call Object::is_in_system_directory.
7749         * symtab.h (class Symbol_table): Update declarations.
7750
7751         PR 5990
7752         * descriptors.h (Open_descriptor): Add is_on_stack field.
7753         * descriptors.cc (Descriptors::open): If the descriptor is on the
7754         top of the stack, remove it.  Initialize is_on_stack field.
7755         (Descriptors::release): Only add pod to stack if it is not on the
7756         stack already.
7757         (Descriptors::close_some_descriptor): Clear stack_next and
7758         is_on_stack fields.
7759
7760         PR 7091
7761         * output.cc (Output_section::find_starting_output_address): Rename
7762         from starting_output_address; add PADDR parameter; change return
7763         type.
7764         * output.h (class Output_section): Declare
7765         find_starting_output_address instead of starting_output_address.
7766         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
7767         section symbol for which we can't find a merge section.
7768
7769         PR 9836
7770         * symtab.cc (Symbol_table::add_from_object): If the visibility is
7771         hidden or internal, force the symbol to be local.
7772         * resolve.cc (Symbol::override_visibility): Define.
7773         (Symbol::override_base): Use override_visibility.
7774         (Symbol_table::resolve): Likewise.
7775         (Symbol::override_base_with_special): Likewise.
7776         (Symbol_table::override_with_special): If the visibility is hidden
7777         or internal, force the symbol to be local.
7778         * symtab.h (class Symbol): Add set_visibility and
7779         override_visibility.
7780         * testsuite/ver_test_1.sh: New file.
7781         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
7782         (check_DATA): Add ver_test_1.syms.
7783         (ver_test_1.syms): New target.
7784         * testsuite/Makefile.in: Rebuild.
7785
7786 2009-02-25  Cary Coutant  <ccoutant@google.com>
7787
7788         * layout.cc (Layout::choose_output_section): Don't rename sections
7789         when using a linker script that has a SECTIONS clause.
7790         * Makefile.in: Regenerate.
7791
7792         * testsuite/Makefile.am (script_test_5.sh): New test case.
7793         * testsuite/Makefile.in: Regenerate.
7794         * testsuite/script_test_5.cc: New file.
7795         * testsuite/script_test_5.sh: New file.
7796         * testsuite/script_test_5.t: New file.
7797
7798 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
7799
7800         * archive.cc (Archive::include_member): Update calls to add_symbols.
7801         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
7802         the Layout argument.
7803         * dynobj.h (do_add_symbols): Add the Layout argument.
7804         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
7805         Layout argument.
7806         * object.h (Object::add_symbols): Add the Layout argument.
7807         (Object::do_add_symbols): Add the Layout argument.
7808         (Sized_relobj::do_add_symbols): Add the Layout argument.
7809         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
7810         Unify the two versions.
7811         (Add_plugin_symbols): Remove.
7812         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
7813         (Sized_pluginobj::do_add_symbols): Unify the two versions.
7814         (Add_plugin_symbols): Remove.
7815         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
7816         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
7817         (Add_symbols::run): Make it work with Pulginobj.
7818
7819 2009-02-06  Ian Lance Taylor  <iant@google.com>
7820
7821         * object.cc (Sized_relobj::do_layout): Make info message start
7822         with lower case letter.
7823
7824 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
7825
7826         * binary.cc: Fix file comment.
7827
7828         * options.h (enum Incremental_disposition): Define.
7829         (class General_options): Add new options: --incremental,
7830         --incremental_changed, --incremental_unchanged,
7831         --incremental_unknown.  Add incremental_disposition_ and
7832         implicit_incremental_ fields.
7833         (General_options::incremental_disposition): New function.
7834         (class Position_dependent_options): Add incremental_disposition
7835         option.
7836         (Position_dependent_options::copy_from_options): Set incremental
7837         dispositions.
7838         * options.cc (General_options::parse_incremental_changed): New
7839         function.
7840         (General_options::parse_incremental_unchanged): New function.
7841         (General_options::parse_incremental_unknown): New function.
7842         (General_options::General_options): Initialize new fields
7843         incremental_disposition_ and implicit_incremental_.
7844         (General_options::finalize): Check for uasge of --incremental-*
7845         without --incremental.
7846
7847 2009-02-06  Chris Demetriou  <cgd@google.com>
7848
7849         * gold.h (gold_undefined_symbol): Change to take only a Symbol
7850         pointer and to report location as the file name associated with
7851         the symbol.
7852         (gold_undefined_symbol_at_location): New function to replace the
7853         old gold_undefined_symbol functionality.
7854         * target-reloc.h (relocate_section): Update to use
7855         gold_undefined_symbol_at_location.
7856         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7857         Call gold_undefined_symbol function rather than gold_error.
7858         * errors.h (Errors::undefined_symbol): Take location as a
7859         string, rather than calculating it from a relocation.
7860         * errors.cc (Errors::fatal): Print "fatal error:" before the
7861         formatted message.
7862         (Errors::error, Errors::error_at_location): Print "error: "
7863         before the formatted message.
7864         (Errors::undefined_symbol): Take location as a string, rather
7865         than calculating it from a relocation.
7866         (gold_undefined_symbol_at_location): New function akin to
7867         old gold_undefined_symbol, calculates location from relocation.
7868         (gold_undefined_symbol): Change to take only a Symbol pointer
7869         and to report location as the file name associated with the symbol.
7870         * testsuite/debug_msg.sh: Update for changed error messages.
7871         * testsuite/undef_symbol.sh: Likewise.
7872
7873 2009-02-04  Duncan Sands  <baldrick@free.fr>
7874
7875         PR 9812
7876         * reduced_debug_output.h
7877         (Output_reduced_debug_abbrev_section::failed): Use format for
7878         gold_warning.
7879         (Output_reduced_debug_info_section::faild): Likewise.
7880
7881 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
7882
7883         * script.cc (Lazy_demangler): New class.
7884         (Version_script_info::get_symbol_version_helper): Demangle a
7885         symbol only once.
7886
7887 2009-01-29  Cary Coutant  <ccoutant@google.com>
7888
7889         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
7890         to __tls_get_addr.
7891         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
7892
7893 2009-01-28  Ian Lance Taylor  <iant@google.com>
7894
7895         * version.cc (version_string): Bump to 1.9.
7896
7897         * gold.h: Include <cstring> and <stdint.h>.
7898         * version.cc: Include <cstdio>.
7899         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
7900         warning.
7901         * reduced_debug_output.cc (insert_into_vector): Rename from
7902         Insert_into_vector; change all callers.  Use Swap_unaligned to
7903         avoid aliasing issue; remove union since it is unnecessary.
7904
7905 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
7906
7907         * Makefile.am (CCFILES): Add gc.cc.
7908         (HFILES): Add gc.h.
7909         * Makefile.in: Regenerate.
7910         * gold.cc (Gc_runner): New class.
7911         (queue_initial_tasks): Call garbage collection related tasks
7912         when corresponding options are invoked.
7913         (queue_middle_gc_tasks): New function.
7914         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
7915         processed early before laying out sections during garbage collection.
7916         * gold.h (queue_middle_gc_tasks): New function.
7917         (is_prefix_of): Move from "layout.cc".
7918         * i386.cc (Target_i386::gc_process_relocs): New function.
7919         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
7920         * main.cc (main): Create object of class "Garbage_collection".
7921         * object.cc (Relobj::copy_symbols_data): New function.
7922         (Relobj::is_section_name_included): New function.
7923         (Sized_relobj::do_layout): Allow this function to be called twice
7924         during garbage collection and defer layout of section during the
7925         first call.
7926         * object.h (Relobj::get_symbols_data): New function.
7927         (Relobj::is_section_name_included): New function.
7928         (Relobj::copy_symbols_data): New function.
7929         (Relobj::set_symbols_data): New function.
7930         (Relobj::get_relocs_data): New function.
7931         (Relobj::set_relocs_data): New function.
7932         (Relobj::is_output_section_offset_invalid): New pure virtual function.
7933         (Relobj::gc_process_relocs): New function.
7934         (Relobj::do_gc_process_relocs): New pure virtual function.
7935         (Relobj::sd_): New data member.
7936         (Sized_relobj::is_output_section_offset_invalid): New function.
7937         (Sized_relobj::do_gc_process_relocs): New function.
7938         * options.h (General_options::gc_sections): Modify to not be a no-op.
7939         (General_options::print_gc_sections): New option.
7940         * plugin.cc (Plugin_finish::run): Remove function call to
7941         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
7942         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
7943         * reloc.cc (Read_relocs::run): Add task to process relocs and
7944         determine unreferenced sections when doing garbage collection.
7945         (Gc_process_relocs): New class.
7946         (Sized_relobj::do_gc_process_relocs): New function.
7947         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
7948         sections that are garbage collected.
7949         * reloc.h (Gc_process_relocs): New class.
7950         * sparc.cc (Target_sparc::gc_process_relocs): New function.
7951         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
7952         symbols whose corresponding sections are garbage collected.
7953         (Symbol_table::Symbol_table): Add new parameter for the garbage
7954         collection object.
7955         (Symbol_table::gc_mark_undef_symbols): New function.
7956         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7957         (Symbol_table::gc_mark_dyn_syms): New function.
7958         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
7959         as garbage.
7960         (Symbol_table::add_from_object): Likewise.
7961         (Symbol_table::add_from_relobj): When building shared objects, do not
7962         treat externally visible symbols as garbage.
7963         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
7964         table information for static and relocatable links.
7965         * symtab.h (Symbol_table::set_gc): New function.
7966         (Symbol_table::gc): New function.
7967         (Symbol_table::gc_mark_undef_symbols): New function.
7968         (Symbol_table::gc_mark_symbol_for_shlib): New function.
7969         (Symbol_table::gc_mark_dyn_syms): New function.
7970         (Symbol_table::gc_): New data member.
7971         * target.h (Sized_target::gc_process_relocs): New pure virtual
7972         function.
7973         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
7974         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
7975
7976 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
7977
7978         * options.h (General_options::gc_sections): Define as a no-op for now.
7979         (General_options::no_keep_memory): Ditto.
7980         (General_options::Bshareable): Define.
7981         * options.cc (General_options::finalize): Honor -Bshareable.
7982
7983 2009-01-20  Andreas Schwab  <schwab@suse.de>
7984
7985         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
7986         read the value in the contents, since we don't use it.  Use the
7987         template endianness when writing.
7988         (Relocate::relocate): Use it for R_PPC_REL16_HA.
7989
7990 2009-01-19  Andreas Schwab  <schwab@suse.de>
7991
7992         * configure.tgt (powerpc64-*): Fix targ_obj.
7993
7994 2009-01-15  Ian Lance Taylor  <iant@google.com>
7995
7996         * object.cc (Sized_relobj::write_local_symbols): Don't write out
7997         local symbols when stripping all symbols.
7998
7999 2009-01-14  Cary Coutant  <ccoutant@google.com>
8000
8001         * output.cc (Output_reloc): Add explicit instantiations.
8002
8003 2009-01-14  Cary Coutant  <ccoutant@google.com>
8004
8005         * archive.cc (Archive::get_elf_object_for_member): Remove call
8006         to File_read::claim_for_plugin.
8007         * descriptors.cc (Descriptors::open): Remove reference to
8008         is_claimed.
8009         (Descriptors::claim_for_plugin): Remove.
8010         * descriptors.h (Descriptors::claim_for_plugin): Remove.
8011         (Descriptors::is_claimed): Remove.
8012         (claim_descriptor_for_plugin): Remove.
8013         * fileread.cc (File_read::claim_for_plugin): Remove.
8014         * fileread.h (File_read::claim_for_plugin): Remove.
8015         (File_read::descriptor): Reopen descriptor if necessary.
8016         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
8017         (Plugin_manager::all_symbols_read): Add task parameter. Change
8018         all callers.
8019         (Plugin_manager::get_input_file): New function.
8020         (Plugin_manager::release_input_file): New function.
8021         (Pluginobj::Pluginobj): Add filesize parameter and initialize
8022         corresponding data member.
8023         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
8024         and pass to base constructor. Change all callers.
8025         (get_input_file, release_input_file): New functions.
8026         (make_sized_plugin_object): Add filesize parameter. Change all callers.
8027         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
8028         (Plugin_manager::all_symbols_read): Add task parameter.
8029         (Plugin_manager::get_input_file): New function.
8030         (Plugin_manager::release_input_file): New function.
8031         (Plugin_manager::task_): New data member.
8032         (Pluginobj::Pluginobj): Add filesize parameter.
8033         (Pluginobj::filename): New function.
8034         (Pluginobj::descriptor): New function.
8035         (Pluginobj::filesize): New function.
8036         (Pluginobj::filesize_): New data member.
8037         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
8038         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
8039         File_read::claim_for_plugin; use Object::unlock to unlock the file.
8040
8041         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
8042         with archive libraries.
8043         * testsuite/Makefile.in: Regenerate.
8044         * testsuite/plugin_test.c (struct sym_info): New type.
8045         (get_input_file, release_input_file): New static variables.
8046         (onload): Capture new transfer vector entries.
8047         (claim_file_hook): Stop reading at end of file according to filesize.
8048         Factor out parsing of readelf output into separate function.
8049         (all_symbols_read_hook): Exercise get_input_file and release_input_file
8050         APIs and get the source file name from the symbol table.  Convert
8051         source file name to corresponding object file name.  Print info
8052         message when adding new input files.
8053         (parse_readelf_line): New function.
8054         * testsuite/plugin_test_1.sh: Add checks for new info messages.
8055         * testsuite/plugin_test_2.sh: Likewise.
8056         * testsuite/plugin_test_3.sh: Likewise.
8057         * testsuite/plugin_test_4.sh: New test case.
8058
8059 2009-01-07  Ian Lance Taylor  <iant@google.com>
8060
8061         * version.cc (version_string): Bump to 1.8.
8062
8063 2008-12-23  Cary Coutant  <ccoutant@google.com>
8064
8065         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
8066         * plugin.cc (Plugin_manager::finish): Rename as
8067         layout_deferred_objects.  Move cleanup to separate function.
8068         (Plugin_manager::cleanup): New function.
8069         (Plugin_finish::run): Call layout_deferred_objects and cleanup
8070         separately.
8071         * plugin.h (Plugin_manager::finish): Rename as
8072         layout_deferred_objects.
8073         (Plugin_manager::cleanup): New function.
8074         (Plugin_manager::cleanup_done): New field.
8075
8076 2008-12-23  Cary Coutant  <ccoutant@google.com>
8077
8078         * plugin.cc (is_visible_from_outside): New function.
8079         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
8080         so we don't return "IR only" status for exported symbols or -r links.
8081
8082         * testsuite/Makefile.am (plugin_test_3): New test case.
8083         * testsuite/Makefile.in: Regenerate.
8084         * testsuite/plugin_test_3.sh: New file.
8085
8086 2008-12-22  Cary Coutant  <ccoutant@google.com>
8087
8088         * object.cc (Sized_relobj::layout_section): New function.
8089         (Sized_relobj::do_layout): Defer layout of input sections until after
8090         plugin has provided replacement files.
8091         (Sized_relobj::do_layout_deferred_sections): New function.
8092         * object.h (Relobj::set_section_offset): Remove virtual keyword.
8093         (Relobj::layout_deferred_sections): New function.
8094         (Relobj::do_layout_deferred_sections): New function.
8095         (Sized_relobj::do_layout_deferred_sections): New function.
8096         (Sized_relobj::layout_section): New function.
8097         (Sized_relobj::Deferred_layout): New structure.
8098         (Sized_relobj::deferred_layout_): New field.
8099         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
8100         Change all callers.  Layout deferred sections.
8101         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
8102         references.
8103         (Plugin_hook::run): Move code from do_plugin_hook inline.
8104         (Plugin_hook::do_plugin_hook): Remove.
8105         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
8106         (Plugin_manager::finish): Renamed, was cleanup.
8107         (Plugin_manager::should_defer_layout): New function.
8108         (Plugin_manager::add_deferred_layout_object): New function.
8109         (Plugin_manager::Deferred_layout_list): New type.
8110         (Plugin_manager::deferred_layout_objects_): New field.
8111         (Plugin_hook::do_plugin_hook): Remove.
8112
8113 2008-12-17  Ian Lance Taylor  <iant@google.com>
8114
8115         * options.h (class General_options): Add --no case for
8116         --export-dynamic.
8117
8118 2008-12-16  Cary Coutant  <ccoutant@google.com>
8119
8120         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
8121         vector.
8122         (Plugin_manager::claim_file): Create plugin object even if
8123         plugin did not call the add_symbols callback.
8124         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
8125         asking for more symbols than were added.
8126         * testsuite/Makefile.am (plugin_test_1): Add test case with
8127         no global symbols.
8128         (empty.syms): New target.
8129         * testsuite/Makefile.in: Regenerate.
8130         * testsuite/plugin_test.c (claim_file_hook): Add new debug
8131         message. Don't call add_symbols if no globals.
8132         (all_symbols_read_hook): Don't provide replacement for empty
8133         claimed file.
8134
8135 2008-12-12  Ian Lance Taylor  <iant@google.com>
8136
8137         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
8138         r_type == 0 for a local symbol with r_sym == 0.
8139         (scan_relocatable_relocs): Pass r_sym to
8140         local_non_section_strategy.
8141         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
8142         r_sym parameter.
8143
8144         * configure.ac: Update test for TLS descriptors: they are
8145         supported as of glibc 2.9.
8146         * configure: Rebuild.
8147
8148 2008-12-11  Ian Lance Taylor  <iant@google.com>
8149
8150         PR 7091
8151         * target-reloc.h (Default_scan_relocatable_relocs): For each
8152         function, map r_type == 0 to RELOC_DISCARD.
8153
8154 2008-12-10  Cary Coutant  <ccoutant@google.com>
8155
8156         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
8157         object to override a kept COMDAT group from a plugin object.
8158
8159 2008-12-09  Ian Lance Taylor  <iant@google.com>
8160
8161         PR 7088
8162         * yyscript.y (file_cmd): Handle INPUT.
8163
8164         * testsuite/initpri1.c: Change all declarations to be full
8165         prototypes by adding void, to avoid compiler warnings.
8166
8167 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
8168
8169         * options.cc (General_options::parse_plugin_opt): New.
8170         (General_options::add_plugin): The argument now is just the filename.
8171         (General_options::add_plugin_option): New.
8172         * options.h (plugin_opt): New.
8173         (add_plugin): Change argument name.
8174         (add_plugin_option): New.
8175         * plugin.cc (Plugin::load): Don't parse the plugin option.
8176         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
8177         (Plugin::add_option): New.
8178         (Plugin::args_): Change type.
8179         (Plugin::filename_): New.
8180         (Plugin_manager::add_plugin_option): New.
8181         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
8182         * testsuite/Makefile.in: Regenerate.
8183
8184 2008-12-05  Cary Coutant  <ccoutant@google.com>
8185
8186         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
8187         Handle --strip-lto-sections option.
8188         * options.h (strip_lto_sections): New option.
8189
8190 2008-12-01  Cary Coutant  <ccoutant@google.com>
8191
8192         * plugin.cc (ld_plugin_message): Change format parameter to const.
8193         Fix mismatch between new[] and delete.
8194
8195 2008-11-14  Cary Coutant  <ccoutant@google.com>
8196
8197         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
8198         instead of -1U.
8199
8200 2008-11-05  Craig Silverstein  <csilvers@google.com>
8201
8202         * options.cc (General_options::parse_dynamic_list): New function.
8203         * options.h (General_options): New flags dynamic_list,
8204         dynamic_list_data, dynamic_list_cpp_new, and
8205         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
8206         (General_options::in_dynamic_list): New function.
8207         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
8208         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
8209         (Lex::can_continue_name): Likewise.
8210         (yylex): Likewise.
8211         (read_script_file): New parameter script_options.
8212         (read_dynamic_list): New function.
8213         (Script_options::define_dynamic_list): New function.
8214         (dynamic_list_keyword_parsecodes): New variable.
8215         (dynamic_list_keywords): New variable.
8216         * script.h (Script_options::define_dynamic_list): New function
8217         prototype.
8218         (read_dynamic_list): New function prototype.
8219         * symtab.cc (strprefix): New macro.
8220         (Symbol::should_add_dynsym_entry): Support dynamic_list,
8221         dynamic_list_data, dynamic_list_cpp_new, and
8222         dynamic_list_cpp_typeinfo.
8223         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
8224         (dynamic_list_expr): New rule.
8225         (dynamic_list_nodes): Likewise.
8226         (dynamic_list_node): Likewise.
8227         * testsuite/Makefile.am (dynamic_list): New test.
8228         * testsuite/Makefile.in: Regenerated.
8229         * testsuite/dynamic_list.t: New file.
8230         * testsuite/dynamic_list.sh: New file.
8231
8232 2008-11-05  Craig Silverstein  <csilvers@google.com>
8233
8234         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
8235         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
8236         (t11_last): Likewise.
8237         * testsuite/ver_test_6.c (main): Likewise.
8238
8239 2008-10-07  Cary Coutant  <ccoutant@google.com>
8240
8241         * options.c (General_options::finalize): Add check for -static and
8242         -shared.
8243         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
8244         is not empty.
8245
8246 2008-10-02  Cary Coutant  <ccoutant@google.com>
8247
8248         * plugin.cc (make_sized_plugin_object): Fix conditional
8249         compilation to work when not all targets are enabled.
8250
8251 2008-09-29  Cary Coutant  <ccoutant@google.com>
8252
8253         * archive.cc (Archive::get_file_and_offset): Use filename instead
8254         of name to get library path.
8255         (Archive::include_member): Unlock external member of a thin archive.
8256
8257         * testsuite/Makefile.am (TEST_AR): New variable.
8258         (thin_archive_test_1): New test.
8259         (thin_archive_test_2): New test.
8260         * testsuite/Makefile.in: Regenerate.
8261         * testsuite/thin_archive_main.cc: New file.
8262         * testsuite/thin_archive_test_1.cc: New file.
8263         * testsuite/thin_archive_test_2.cc: New file.
8264         * testsuite/thin_archive_test_3.cc: New file.
8265         * testsuite/thin_archive_test_4.cc: New file.
8266
8267 2008-09-29  Cary Coutant  <ccoutant@google.com>
8268
8269         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
8270         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
8271         instead of -1U.
8272         (Sized_relobj::do_finalize_local_symbols): Likewise.
8273         (Sized_relobj::map_to_kept_section): Likewise.
8274         * object.h (Sized_relobj::invalid_address): New constant.
8275         (Sized_relobj::do_output_section_offset): Check for invalid_address
8276         and return -1ULL.
8277         * output.cc (Output_reloc::local_section_offset): Use constant
8278         invalid_address instead of -1U.
8279         (Output_reloc::get_address): Likewise.
8280         (Output_section::output_address): Change -1U to -1ULL.
8281         * output.h (Output_reloc::invalid_address): New constant.
8282         * reloc.cc (Sized_relobj::write_sections): Use constant
8283         invalid_address instead of -1U.
8284         (Sized_relobj::relocate_sections): Likewise.
8285         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
8286         values for merge sections.
8287         * target-reloc.h (relocate_for_relocatable): Use constant
8288         invalid_address instead of -1U.
8289
8290 2008-09-19  Cary Coutant  <ccoutant@google.com>
8291
8292         Add plugin functionality for link-time optimization (LTO).
8293         * configure.ac (plugins): Add --enable-plugins option.
8294         * configure: Regenerate.
8295         * config.in: Regenerate.
8296         * Makefile.am (LIBDL): New variable.
8297         (CCFILES): Add plugin.cc.
8298         (HFILES): Add plugin.h.
8299         (ldadd_var): Add LIBDL.
8300         * Makefile.in: Regenerate.
8301
8302         * archive.cc: Include "plugin.h".
8303         (Archive::setup): Don't preread archive symbols when using a plugin.
8304         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
8305         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
8306         files.
8307         (Archive::include_member): Add symbols from plugin objects.
8308         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
8309         * descriptors.cc (Descriptors::open): Check for file descriptors
8310         abandoned by plugins.
8311         (Descriptors::claim_for_plugin): New function.
8312         * descriptors.h (Descriptors::claim_for_plugin): New function.
8313         (Open_descriptor::is_claimed): New field.
8314         (claim_descriptor_for_plugin): New function.
8315         * fileread.cc (File_read::claim_for_plugin): New function.
8316         * fileread.h (File_read::claim_for_plugin): New function.
8317         (File_read::descriptor): New function.
8318         * gold.cc: Include "plugin.h".
8319         (queue_initial_tasks): Add task to call plugin hooks for generating
8320         new object files.
8321         * main.cc: Include "plugin.h".
8322         (main): Load plugin libraries.
8323         * object.h (Pluginobj): Declare.
8324         (Object::pluginobj): New function.
8325         (Object::do_pluginobj): New function.
8326         (Object::set_target): New function.
8327         * options.cc: Include "plugin.h".
8328         (General_options::parse_plugin): New function.
8329         (General_options::General_options): Initialize plugins_ field.
8330         (General_options::add_plugin): New function.
8331         * options.h (Plugin_manager): Declare.
8332         (General_options): Add --plugin option.
8333         (General_options::has_plugins): New function.
8334         (General_options::plugins): New function.
8335         (General_options::add_plugin): New function.
8336         (General_options::plugins_): New field.
8337         * plugin.cc: New file.
8338         * plugin.h: New file.
8339         * readsyms.cc: Include "plugin.h".
8340         (Read_symbols::do_read_symbols): Check for archive before checking
8341         for ELF file.  Call plugin hooks to claim files.
8342         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
8343         from a real object file; force override when processing replacement
8344         files.
8345         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
8346         (Symbol::init_base_object): Likewise.
8347         (Symbol::init_base_output_data): Likewise.
8348         (Symbol::init_base_output_segment): Likewise.
8349         (Symbol::init_base_constant): Likewise.
8350         (Symbol::init_base_undefined): Likewise.
8351         (Symbol::output_section): Assert that object is not a plugin.
8352         (Symbol_table::add_from_pluginobj): New function.
8353         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
8354         undefined.
8355         (Symbol_table::sized_write_globals): Likewise.
8356         (Symbol_table::add_from_pluginobj): Instantiate template.
8357         * symtab.h (Sized_pluginobj): Declare.
8358         (Symbol::in_real_elf): New function.
8359         (Symbol::set_in_real_elf): New function.
8360         (Symbol::in_real_elf_): New field.
8361         (Symbol_table::add_from_pluginobj): New function.
8362
8363         * testsuite/Makefile.am (AM_CFLAGS): New variable.
8364         (LIBDL): New variable.
8365         (LDADD): Add LIBDL.
8366         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
8367         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
8368         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
8369         (MOSTLYCLEANFILES): Likewise.
8370         * testsuite/Makefile.in: Regenerate.
8371         * testsuite/plugin_test.c: New file.
8372         * testsuite/plugin_test_1.sh: New file.
8373         * testsuite/plugin_test_2.sh: New file.
8374
8375 2008-09-16  Ian Lance Taylor  <iant@google.com>
8376
8377         * target-reloc.h (relocate_section): Check whether a symbol is
8378         defined by the ABI before reporting an undefined symbol error.
8379         * target.h (Target::is_defined_by_abi): Make parameter const.
8380         (Target::do_is_defined_by_abi): Likewise.
8381         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
8382         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
8383         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
8384         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
8385         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
8386         * testsuite/Makefile.in: Rebuild.
8387
8388         * fileread.cc (make_view): Add casts to avoid warning.
8389
8390 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8391
8392         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
8393         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8394
8395 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
8396
8397         * options.h (General_options::output_is_executable): New.
8398         (General_options::output_is_pie): New.
8399         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
8400         for shared libraries.
8401         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
8402
8403 2008-09-11  Chris Demetriou  <cgd@google.com>
8404
8405         * options.h (origin): New -z option.
8406         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
8407         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
8408         in DT_FLAGS_1.
8409
8410 2008-09-05  Cary Coutant  <ccoutant@google.com>
8411
8412         * fileread.cc (File_read::make_view): Add check for attempt to map
8413         beyond end of file.
8414
8415 2008-09-05  Cary Coutant  <ccoutant@google.com>
8416
8417         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
8418         explicit instantiations.
8419
8420 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
8421
8422         PR gold/6858
8423         * options.cc (General_options::finalize): Allow undefined symbols
8424         in shlibs if linking -shared.
8425
8426         PR gold/6859
8427         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
8428         symbols as not needing a dynsym entry.
8429
8430 2008-08-20  Craig Silverstein  <csilvers@google.com>
8431
8432         * fileread.cc (File_read::open): Do not lock the file unless it
8433         was successfully opened.
8434
8435 2008-08-14  Cary Coutant  <ccoutant@google.com>
8436
8437         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
8438         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
8439         * testsuite/tls_test.cc (struct int128): 128-bit struct
8440         for testing TLS relocs with non-zero addend.
8441         (v12): New TLS variable.
8442         (t12): New test.
8443         (t_last): Add check for v12.
8444         * testsuite/tls_test.h (t12): New function.
8445         * testsuite/tls_test_main.cc (thread_routine): Call new test.
8446
8447 2008-08-13  Ian Lance Taylor  <iant@google.com>
8448
8449         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
8450         set tls_segment_ or relro_segment_.
8451         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
8452         when appropriate.
8453         * output.h (Output_section::clear_is_relro): New function.
8454         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
8455         sections specially even when output_data_ is empty.
8456         (Output_segment::maximum_alignment): When first section is relro,
8457         only force alignment for PT_LOAD segments.
8458         * script.cc (script_data_segment_align): New function.
8459         (script_data_segment_relro_end): New function.
8460         * script-c.h (script_data_segment_align): Declare.
8461         (script_data_segment_relro_end): Declare.
8462         * script-sections.h (class Script_sections): Declare
8463         data_segment_align and data_segment_relro_end.  Add fields
8464         segment_align_index_ and saw_relro_end_.
8465         * script-sections.cc (class Sections_element): Add set_is_relro
8466         virtual function.  Add new bool* parameter to place_orphan_here.
8467         Add get_output_section virtual function.
8468         (class Output_section_definition): Add set_is_relro.  Add new
8469         bool* parameter to place_orphan_here.  Add get_output_section.
8470         Add is_relro_ field.
8471         (Output_section_definition::Output_section_definition): Initialize
8472         evaluated_address_, evaluated_load_address, evaluated_addralign_,
8473         and is_relro_ fields.
8474         (Output_section_definition::place_orphan_here): Add is_relro
8475         parameter.
8476         (Output_section_definition::set_section_addresses): Set relro for
8477         output section.
8478         (Output_section_definition::alternate_constraint): Likewise.
8479         (class Orphan_output_section): Add new bool* parameter to
8480         place_orphan_here.  Add get_output_section.
8481         (Orphan_output_section::place_orphan_here): Add is_relro
8482         parameter.
8483         (Script_sections::Script_sections): Initialize
8484         data_segment_align_index_ and saw_relro_end_.
8485         (Script_sections::data_segment_align): New function.
8486         (Script_sections::data_segment_relro_end): New function.
8487         (Script_sections::place_orphan): Set or clear is_relro.
8488         (Script_sections::set_section_addresses): Force alignment of first
8489         TLS section.
8490         * yyscript.y (exp): Call script_data_segment_align and
8491         script_data_segment_relro_end.
8492         * testsuite/relro_script_test.t: New file.
8493         * testsuite/relro_test.cc (using_script): Declare.
8494         (t1, t2): Test using_script.
8495         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
8496         (relro_script_test_SOURCES): Define.
8497         (relro_script_test_DEPENDENCIES): Define.
8498         (relro_script_test_LDFLAGS): Define.
8499         (relro_script_test_LDADD): Define.
8500         (relro_script_test.so): New target.
8501         * testsuite/Makefile.in: Rebuild.
8502
8503 2008-08-06  Cary Coutant <ccoutant@google.com>
8504
8505         * archive.cc (Archive::total_archives, Archive::total_members)
8506         (Archive::total_members_loaded): New variables.
8507         (Archive::setup): Add parameter.  Add option to preread
8508         archive symbols.
8509         (Archive::read_armap): Add counter.
8510         (Archive::get_file_and_offset): New function.
8511         (Archive::get_elf_object_for_member): New function.
8512         (Archive::read_all_symbols): New function.
8513         (Archive::read_symbols): New function.
8514         (Archive::add_symbols): Add counters.
8515         (Archive::include_all_members): Use armap to find members if it's
8516         already built.
8517         (Archive::include_member): Skip reading symbols if already read.
8518         Factored code into Archive::get_file_and_offset and
8519         Archive::get_elf_object_for_member.  Changed call to
8520         Mapfile::report_include_archive_member.
8521         (Archive::print_stats): New function.
8522         * archive.h: Declare Object and Read_symbols_data classes.
8523         (Archive::Archive): Add initializers for new members.
8524         (Archive::setup): Add parameter.
8525         (Archive::print_stats): New function.
8526         (Archive::total_archives, Archive::total_members)
8527         (Archive::total_members_loaded): New variables.
8528         (Archive::get_file_and_offset): New function.
8529         (Archive::get_elf_object_for_member): New function.
8530         (Archive::read_all_symbols): New function.
8531         (Archive::read_symbols): New function.
8532         (Archive::Archive_member): New class.
8533         (Archive::members_): New member.
8534         (Archive::num_members_): New member.
8535         * main.cc: Include archive.h.
8536         (main): Call Archive::print_stats.
8537         * mapfile.cc (Mapfile::report_include_archive_member): Delete
8538         archive parameter; member_name is now the fully-decorated name.
8539         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
8540         * options.h: (General_options): Add --preread-archive-symbols option.
8541         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
8542         Archive::setup.
8543
8544 2008-08-04  Ian Lance Taylor  <iant@google.com>
8545
8546         * symtab.h (Symbol::use_plt_offset): New function.
8547         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
8548         * powerpc.cc (Relocate::relocate): Likewise.
8549         * sparc.cc (Relocate::relocate): Likewise.
8550         * x86_64.cc (Relocate::relocate): Likewise.
8551         * testsuite/weak_plt.sh: New test.
8552         * testsuite/weak_plt_main.cc: New test.
8553         * testsuite/weak_plt_shared.cc: New test.
8554         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
8555         (check_PROGRAMS): Add weak_plt.
8556         (check_DATA): Add weak_plt_shared.so.
8557         (weak_plt_main_pic.o, weak_plt): New targets.
8558         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
8559         * testsuite/Makefile.in: Rebuild.
8560
8561         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
8562         gcctestdir/ld.
8563         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
8564         * testsuite/Makefile.in: Rebuild.
8565
8566 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
8567
8568         * Makefile.am (POTFILES.in): Set LC_ALL=C.
8569         * Makefile.in: Regenerate.
8570         * po/POTFILES.in: Regenerate.
8571
8572 2008-07-29  Ian Lance Taylor  <iant@google.com>
8573
8574         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
8575         symbols before other symbols.
8576         * testsuite/script_test_2.cc (test_addr): Declare.
8577         (test_addr_alias): Declare.
8578         (main): Check that test_addr and test_addr_alias have the right
8579         values.
8580         * testsuite/script_test_2.t: Define test_addr_alias and
8581         test_addr.
8582
8583 2008-07-24  Ian Lance Taylor  <iant@google.com>
8584
8585         PR 5990
8586         * descriptors.cc: New file.
8587         * descriptors.h: New file.
8588         * gold-threads.h (class Hold_optional_lock): New class.
8589         * fileread.cc: Include "descriptors.h".
8590         (File_read::~File_read): Release descriptor rather than closing
8591         it.
8592         (File_read::open) [file]: Call open_descriptor rather than open.
8593         Set is_descriptor_opened_.
8594         (File_read::open) [memory]: Assert that descriptor is not open.
8595         (File_read::reopen_descriptor): New function.
8596         (File_read::release): Release descriptor.
8597         (File_read::do_read): Make non-const.  Reopen descriptor.
8598         (File_read::read): Make non-const.
8599         (File_read::make_view): Reopen descriptor.
8600         (File_read::do_readv): Likewise.
8601         * fileread.h (class File_read): Add is_descriptor_opened_ field.
8602         Update declarations.
8603         * layout.cc: Include "descriptors.h".
8604         (Layout::create_build_id): Use open_descriptor rather than open.
8605         * output.cc: Include "descriptors.h".
8606         (Output_file::open): Use open_descriptor rather than open.
8607         * archive.cc (Archive::const_iterator): Change Archive to be
8608         non-const.
8609         (Archive::begin, Archive::end): Make non-const.
8610         (Archive::count_members): Likewise.
8611         * archive.h (class Archive): Update declarations.
8612         * object.h (Object::read): Make non-const.
8613         * Makefile.am (CCFILES): Add descriptors.cc.
8614         (HFILES): Add descriptors.h.
8615         * Makefile.in: Rebuild.
8616
8617         PR 6716
8618         * gold.h: Always include <clocale>.  Add Solaris workarounds
8619         following code in binutils/sysdep.h.
8620
8621         PR 6048
8622         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
8623         this->eh_frame_hdr_ is NULL before using it.
8624
8625         * dynobj.cc (Versions::Versions): Update comment.
8626
8627         * dynobj.cc (Versions::Versions): If there is an soname, use it as
8628         the base version name.
8629
8630         * stringpool.cc (Stringpool_template::add_with_length): Set key to
8631         array size plus one.
8632         (Stringpool_template::set_string_offsets): Subtract one from key
8633         before using it as an array index.
8634         (Stringpool_template::get_offset_with_length): Likewise.
8635         (Stringpool_template::write_to_buffer): Likewise.
8636         * stringpool.h (Stringpool_template::get_offset_from_key):
8637         Likewise.
8638
8639 2008-07-23  Ian Lance Taylor  <iant@google.com>
8640
8641         PR 6658
8642         * object.h (Merged_symbol_value::value): Do our best to handle a
8643         negative addend.
8644
8645         PR 6647
8646         * script.cc (Version_script_info::get_versions): Don't add empty
8647         version tag to return value.
8648         (Version_script_info::get_symbol_version_helper): Change return
8649         type to bool.  Add pversion parameter.  Change all callers.
8650         (script_register_vers_node): Don't require a non-NULL tag.
8651         * script.h (class Version_script_info): Update declarations.
8652         (Version_script_info::get_symbol_version): Change return type to
8653         bool.  Add version parameter.  Change all callers.
8654         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
8655         handling.  Handle an empty version from a version script.
8656         (Symbol_table::define_special_symbol): Likewise.
8657         * testsuite/ver_test_10.script: New file.
8658         * testsuite/ver_test_10.sh: New file.
8659         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
8660         (check_DATA): Add ver_test_10.syms.
8661         (ver_test_10.syms, ver_test_10.so): New target.
8662         * testsuite/Makefile.in: Rebuild.
8663
8664 2008-07-23  Simon Baldwin  <simonb@google.com>
8665
8666         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
8667         to zero for undefined symbols from dynamic libraries.
8668
8669 2008-07-23  Ian Lance Taylor  <iant@google.com>
8670
8671         * symtab.cc (Symbol_table::resolve): Remove version parameter.
8672         Change all callers.
8673         * symtab.h (class Symbol_table): Update declaration.
8674         * testsuite/ver_test_9.cc: New file.
8675         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
8676         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
8677         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
8678         (ver_test_9.so, ver_test_9.o): New targets.
8679         * testsuite/Makefile.in: Rebuild.
8680
8681 2008-07-22  Ian Lance Taylor  <iant@google.com>
8682
8683         * options.h (class General_options): Define --check-sections.
8684         * layout.cc (Layout::set_segment_offsets): Handle
8685         --check-sections.
8686
8687         * options.h (class General_options): Define -n/--nmagic and
8688         -N/--omagic.
8689         * options.cc (General_options::finalize): For -n/--nmagic or
8690         -N/--omagic, set -static.
8691         * layout.cc (Layout::attach_allocated_section_to_segment): If
8692         -N/--omagic, don't put read-only and read-write sections in
8693         different segments.
8694         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
8695         finding a read-only segment.
8696         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
8697         don't set the minimum segment alignment to the common page size,
8698         and don't set the file offset to the address modulo the page size.
8699         * script-sections.cc (Script_sections::create_segments): If
8700         -n/--omagic, don't put read-only and read-write sections in
8701         different segments.
8702
8703         * cref.cc: New file.
8704         * cref.h: New file.
8705         * options.h (class General_options): Add --print-symbol-counts.
8706         * main.cc (main): Issue defined symbol report if requested.
8707         * archive.cc (Archive::interpret_header): Make into a const member
8708         function.
8709         (Archive::add_symbols): Call Input_objects::archive_start and
8710         archive_stop.
8711         (Archive::const_iterator): Define new class.
8712         (Archive::begin, Archive::end): New functions.
8713         (Archive::include_all_members): Rewrite to use iterator.
8714         (Archive::count_members): New function.
8715         * archive.h (class Archive): Update declarations.
8716         (Archive::filename): New function.
8717         * object.cc: Include "cref.h".
8718         (Sized_relobj::Sized_relobj): Initialize defined_count_.
8719         (Sized_relobj::do_get_global_symbol_counts): New function.
8720         (Input_objects::add_object): Add object to cross-referencer.
8721         (Input_objects::archive_start): New function.
8722         (Input_objects::archive_stop): New function.
8723         (Input_objects::print_symbol_counts): New function.
8724         * object.h: Declare Cref and Archive.
8725         (Object::get_global_symbol_counts): New function.
8726         (Object::do_get_global_symbol_counts): New pure virtual function.
8727         (class Sized_relobj): Add defined_count_ field.  Update
8728         declarations.
8729         (class Input_objects): Add cref_ field.  Update constructor.
8730         Update declarations.
8731         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
8732         defined_count_.
8733         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
8734         symbol counts.
8735         (Sized_dynobj::do_get_global_symbol_counts): New function.
8736         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
8737         defined_count_.  Update declarations.  Define Symbols typedef.
8738         * symtab.cc (Symbol_table::add_from_relobj): Add defined
8739         parameter.  Change all callers.
8740         (Symbol_table::add_from_dynobj): Add sympointers and defined
8741         parameters.  Change all callers.
8742         * symtab.h (class Symbol_table): Update declarations.
8743         * Makefile.am (CCFILES): Add cref.cc.
8744         (HFILES): Add cref.h.
8745         * Makefile.in: Rebuild.
8746
8747 2008-07-22  Simon Baldwin  <simonb@google.com>
8748
8749         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
8750         to zero when writing undefined symbols.
8751
8752 2008-07-22  Ian Lance Taylor  <iant@google.com>
8753
8754         * output.cc (Output_section::add_input_section): Don't try to
8755         merge empty merge sections.
8756
8757 2008-07-21  Craig Silverstein  <csilvers@google.com>
8758
8759         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
8760         Include symbol version in error message.
8761
8762 2008-07-20  Chris Demetriou  <cgd@google.com>
8763
8764         * configure.ac (gold_cv_c_random_seed): New configured variable.
8765         (RANDOM_SEED_CFLAGS): New substituted variable.
8766         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
8767         * configure: Rebuild.
8768         * Makefile.in: Likewise.
8769         * testsuite/Makefile.in: Likewise.
8770
8771 2008-07-18  Ian Lance Taylor  <iant@google.com>
8772
8773         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
8774         where we see NAME/NULL and NAME/VERSION  as separate symbols.
8775         * testsuite/ver_test_main.cc (main): Call t4.
8776         (t4, t4_2a): Define.
8777         * testsuite/ver_test_2.cc (t4_2): Define.
8778         * testsuite/ver_test_2.script: Put t4_2a in VER2.
8779         * testsuite/ver_test_4.cc (t4_2a): Define.
8780         * testsuite/ver_test_4.script: Put t4_2a in VER2.
8781         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
8782
8783 2008-07-17  Ian Lance Taylor  <iant@google.com>
8784
8785         * dynobj.cc (Versions::add_def): If we give an error about a
8786         missing version, go ahead and create the version anyhow.
8787
8788 2008-07-10  Ian Lance Taylor  <iant@google.com>
8789
8790         Handle output sections with more than 0x7fffffff bytes.
8791         * object.h (class Relobj): Change map_to_output_ to
8792         output_sections_, and just keep a section pointer.  Change all
8793         uses.  Move comdat group support to Sized_relobj.
8794         (Relobj::is_section_specially_mapped): Remove.
8795         (Relobj::output_section): Remove poff parameter.  Change all
8796         callers.
8797         (Relobj::output_section_offset): New function.
8798         (Relobj::set_section_offset): Rewrite.
8799         (Relobj::map_to_output): Remove.
8800         (Relobj::output_sections): New function.
8801         (Relobj::do_output_section_offset): New pure virtual function.
8802         (Relobj::do_set_section_offset): Likewise.
8803         (class Sized_relobj): Add section_offsets_ field.  Add comdat
8804         group support from Relobj.  Update declarations.
8805         (Sized_relobj::get_output_section_offset): New function.
8806         (Sized_relobj::do_output_section_offset): New function.
8807         (Sized_relobj::do_set_section_offset): New function.
8808         * object.cc (Relobj::output_section_address): Remove.
8809         (Sized_relobj::Sized_relobj): Initialize new fields.
8810         (Sized_relobj::include_section_group): Cast find_kept_object to
8811         Sized_relobj.
8812         (Sized_relobj::include_linkonce_section): Likewise.
8813         (Sized_relobj::do_layout): Use separate arrays for output section
8814         and output offset.
8815         (Sized_relobj::do_count_local_symbols): Change map_to_output to
8816         output_sections.
8817         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
8818         output_sections and section_offsets.
8819         (Sized_relobj::write_local_symbols): Likewise.
8820         (map_to_kept_section): Compute output address directly.
8821         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
8822         output_sections and section_offsets.
8823         (Sized_relobj::write_sections): Likewise.
8824         (Sized_relobj::relocate_sections): Likewise.
8825         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
8826         * output.h (class Output_reloc): Update declarations.  Change
8827         u2_.relobj to Sized_relobj*.
8828         (class Output_data_reloc): Change add functions to use
8829         Sized_relobj*.
8830         * output.cc (Output_reloc::Output_reloc): Change relobj to
8831         Sized_relobj*.
8832         (Output_reloc::local_section_offset): Change return type to
8833         Elf_Addr.  Use get_output_section_offset.
8834         (Output_reloc::get_address): Likewise.
8835         (Output_section::is_input_address_mapped): Don't call
8836         is_section_specially_mapped.
8837         (Output_section::output_offset): Likewise.
8838         (Output_section::output_address): Likewise.
8839         (Output_section::starting_output_address): Likewise.
8840         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
8841         parameter to Sized_relobj*.
8842         (Copy_relocs::need_copy_reloc): Likewise.
8843         (Copy_relocs::save): Likewise.
8844         * copy-relocs.h (class Copy_relocs): Update declarations.
8845         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
8846         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
8847         * target-reloc.h (relocate_for_relocatable): Change
8848         offset_in_output_section type to Elf_Addr.  Change code that uses
8849         it as well.
8850         * layout.cc (Layout::layout): Always set *off.
8851         * mapfile.cc (Mapfile::print_input_section): Use
8852         output_section_offset.
8853         * i386.cc (Target_i386::copy_reloc): Change object parameter to
8854         Sized_relobj*.
8855         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
8856         * sparc.cc (Target_sparc::copy_reloc): Likewise.
8857         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
8858
8859 2008-07-03  Ian Lance Taylor  <iant@google.com>
8860
8861         * layout.cc (Layout::include_section): Do not discard unrecognized
8862         SHT_STRTAB sections.
8863
8864 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
8865
8866         * script.cc (Lex::can_continue_name): Make '?' allowable in
8867         version-script names.
8868         * testsuite/version_script.map: Change glob pattern to use '?'
8869
8870 2008-06-30  Manish Singh  <yosh@gimp.org>
8871
8872         PR 6585
8873         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
8874         Correct typo.
8875
8876 2008-06-30  Ian Lance Taylor  <iant@google.com>
8877
8878         PR 6660
8879         PR 6682
8880         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
8881         versions]: Don't try to read the value in the contents, since we
8882         don't use it.  Use the template endianness when writing.
8883
8884 2008-06-25  Cary Coutant  <ccoutant@google.com>
8885
8886         * fileread.cc (File_read::make_view): Assert on zero-length view.
8887         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
8888         symbol table when there are no symbols to read.
8889
8890 2008-06-23  Craig Silverstein  <csilvers@google.com>
8891
8892         * version.cc (version_string): Bump to 1.7
8893
8894 2008-06-18  Craig Silverstein  <csilvers@google.com>
8895
8896         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
8897         constant 0xFFFF to type Valtype.
8898         (Powerpc_relocate_functions::rel16_ha): Likewise.
8899
8900 2008-06-17  Ian Lance Taylor  <iant@google.com>
8901
8902         * output.h (Output_section::Input_section): Initialize p2align_ to
8903         zero for Output_section_data constructors.
8904         (Output_section::Input_section::addralign): If not an input
8905         section, return the alignment of the Output_section_data.
8906         * testsuite/copy_test.cc: New file.
8907         * testsuite/copy_test_1.cc: New file.
8908         * testsuite/copy_test_2.cc: New file.
8909         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
8910         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
8911         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
8912         (copy_test_1_pic.o, copy_test_1.so): New targets.
8913         (copy_test_2_pic.o, copy_test_2.so): New targets.
8914         * testsuite/Makefile.in: Rebuild.
8915
8916         * script-sections.cc (Script_sections::place_orphan): Initialize
8917         local variable exact.
8918
8919 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
8920
8921         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
8922
8923 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
8924             David S. Miller  <davem@davemloft.net>
8925
8926         * powerpc.cc: New file.
8927         * Makefile.am (TARGETSOURCES): Add powerpc.cc
8928         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
8929         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
8930         * Makefile.in: Rebuild.
8931
8932 2008-06-09  Ian Lance Taylor  <iant@google.com>
8933
8934         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
8935         <exception>.
8936         (throwing, orig_terminate): New static variables.
8937         (terminate_handler): New static function.
8938         (t2): Set terminate handler.
8939
8940 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
8941
8942         PR 6584
8943         * binary.cc (Binary_to_elf::sized_convert): Fix .data
8944         alignment.
8945
8946 2008-05-30  Cary Coutant  <ccoutant@google.com>
8947
8948         * archive.cc (Archive::include_all_members) Correct to step
8949         over symbol table and extended name table in thin archives.
8950
8951 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
8952
8953         PR 6407
8954         * target-reloc.h (relocate_for_relocatable): Fix new_offset
8955         calculation.
8956
8957 2008-05-28  Caleb Howe  <cshowe@google.com>
8958
8959         * reduced_debug_output.cc: New file.
8960         * reduced_debug_output.h: New file.
8961         * options.h (class General_options): Add --strip-debug-non-line.
8962         * options.cc (General_options::finalize): Add strip_debug_non_line
8963         to the strip heirarchy.
8964         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
8965         fields.
8966         * layout.cc: Include "reduced_debug_output.h".
8967         (Layout::Layout): Initialize new fields.
8968         (line_only_debug_sections): New static array.
8969         (is_lines_only_debug_sections): New static inline function.
8970         (Layout::include_section): Handle --strip-debug-non-line.
8971         (Layout::make_output_section): If --strip-debug-non-line, build
8972         new output sections for .debug_abbrev and .debug_info.
8973         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
8974         gold.  Warn about possible overflow.
8975         (read_signed_LEB_128): Likewise.
8976         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
8977         (read_signed_LEB_128): Declare.
8978         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
8979         (HFILES): Add reduced_debug_output.h.
8980         * Makefile.in: Rebuild.
8981
8982 2008-05-21  Ian Lance Taylor  <iant@google.com>
8983
8984         * mapfile.cc: New file.
8985         * mapfile.h: New file.
8986         * options.h (class General_options): Add -M/--print-map and -Map.
8987         * options.cc (General_options::finalize): Make -M equivalent to
8988         -Map -.
8989         * main.cc: Include <cstdio> and "mapfile.h".
8990         (main): Open mapfile if requested.
8991         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
8992         constructor.  Change caller.
8993         (queue_initial_tasks): Add mapfile parameter.  Change caller.
8994         (queue_middle_tasks): Likewise.
8995         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
8996         declarations.
8997         * archive.cc: Include "mapfile.h".
8998         (Archive::add_symbols): Add mapfile parameter.  Change all
8999         callers.  Pass mapfile, symbol, and reason to include_member.
9000         (Archive::include_all_members): Add mapfile parameter.  Change all
9001         callers.
9002         (Archive::include_member): Add mapfile, sym, and why parameters.
9003         Change all callers.  Report inclusion to map file.
9004         * archive.h: Include "fileread.h".
9005         (class Archive): Update declarations.
9006         (Archive::file): New const method.
9007         (class Add_archive_symbols): Add mapfile_ field.  Update
9008         constructor.  Change all callers.
9009         * readsyms.h (class Read_symbols): Likewise.
9010         (class Finish_group): Likewise.
9011         (class Read_script): Likewise.
9012         * common.cc: Include "mapfile.h".
9013         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
9014         all callers.
9015         (Symbol_table::do_allocate_commons): Likewise.
9016         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
9017         symbol allocation to mapfile.
9018         * common.h (class Allocate_commons_task): Add mapfile_ field.
9019         Update constructor.  Change all callers.
9020         * symtab.h (class Symbol_table): Update declarations.
9021         * layout.cc: Include "mapfile.h".
9022         (Layout_task_runner::run): Print information to mapfile.
9023         (Layout::create_gold_note): Change Output_data_fixed_space to
9024         Output_data_zero_fill.
9025         (Layout::create_build_id): Likewise.
9026         (Layout::print_to_mapfile): New function.
9027         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
9028         constructor.  Change caller.
9029         (class Layout): Declare print_to_mapfile.
9030         * output.cc (Output_section::Input_section::print_to_mapfile): New
9031         function.
9032         (Output_section::add_input_section): If producing a map, always
9033         add to input_sections_ list.
9034         (Output_section::do_print_to_mapfile): New function.
9035         (Output_segment::print_sections_to_mapfile): New function.
9036         (Output_segment::print_section_list_to_mapfile): New function.
9037         * output.h: Include "mapfile.h".
9038         (Output_data::print_to_mapfile): New function.
9039         (Output_data::do_print_to_mapfile): New virtual function.
9040         (Output_segment_headers::do_print_to_mapfile): New function.
9041         (Output_file_header::do_print_to_mapfile): New function.
9042         (Output_data_const::do_print_to_mapfile): New function.
9043         (class Output_data_const_buffer): Add map_name_ field.  Update
9044         constructor.  Change all callers.  Add do_print_to_mapfile
9045         function.
9046         (class Output_data_fixed_space): Likewise.
9047         (class Output_data_space): Likewise.
9048         (class Output_data_zero_fill): New class.
9049         (Output_data_strtab::do_print_to_mapfile): New function.
9050         (Output_data_reloc_base::do_print_to_mapfile): New function.
9051         (Output_relocatable_relocs::do_print_to_mapfile): New function.
9052         (Output_data_group::do_print_to_mapfile): New function.
9053         (Output_data_got::do_print_to_mapfile): New function.
9054         (Output_data_dynamic::do_print_to_mapfile): New function.
9055         (Output_symtab_xindex::do_print_to_mapfile): New function.
9056         (class Output_section): Declare do_print_to_mapflie.  Declare
9057         print_to_mapfile in Input_section.
9058         (class Output_segment): Declare new functions.
9059         * object.h (Sized_relobj::symbol_count): New function.
9060         * script-sections.cc
9061         (Output_section_element_dot_assignment::set_section_addresses):
9062         Change Output_data_fixed_space to Output_data_zero_fill.
9063         (Output_data_expression::do_print_to_mapfile): New function.
9064         * script.cc (read_input_script): Add mapfile parameter.  Change
9065         all callers.
9066         * script.h (read_input_script): Update declaration.
9067         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
9068         (Eh_frame::do_print_to_mapfile): New function.
9069         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
9070         (Output_merge_string::do_print_to_mapfile): New function.
9071         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
9072         function.
9073         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
9074         function.
9075         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
9076         function.
9077         * Makefile.am (CCFILES): Add mapfile.cc.
9078         (HFILES): Add mapfile.h.
9079         * Makefile.in: Rebuild.
9080
9081 2008-05-19  Ian Lance Taylor  <iant@google.com>
9082
9083         * options.h (class General_options): Add -z relro.
9084         * layout.cc (Layout::Layout): Initialize relro_segment_.
9085         (Layout::add_output_section_data): Return the output section.
9086         (Layout::make_output_section): Rcognize relro sections and mark
9087         them appropriately.
9088         (Layout::attach_allocated_section_to_segment): Put relro sections
9089         in a PT_GNU_RELRO segment.
9090         (Layout::create_initial_dynamic_sections): Mark the .dynamic
9091         section as relro.
9092         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
9093         PT_TLS segments.
9094         (Layout::linkonce_mapping): Map d.rel.ro.local to
9095         .data.rel.ro.local.
9096         (Layout::output_section_name): Us .data.rel.ro.local for any
9097         section which begins with that.
9098         * layout.h (class Layout): Update add_output_section_data
9099         declaration.  Add relro_segment_ field.
9100         * output.cc (Output_section::Output_section): Initialize is_relro_
9101         and is_relro_local_ fields.
9102         (Output_segment::add_output_section): Group relro sections.
9103         (Output_segment::is_first_section_relro): New function.
9104         (Output_segment::maximum_alignment): If there is a relro section,
9105         align the segment to the common page size.
9106         (Output_segment::set_section_addresses): Track whether we are
9107         looking at relro sections.  If the last section is a relro
9108         section, align to the common page size.
9109         (Output_segment::set_section_list_addresses): Add in_relro
9110         parameter.  Change all callers.  Align to the page size when
9111         moving from relro to non-relro section.
9112         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
9113         segment.
9114         * output.h (class Output_section): Add is_relro_ and
9115         is_relro_local_ fields.
9116         (Output_section::is_relro): New function.
9117         (Output_section::set_is_relro): New function.
9118         (Output_section::is_relro_local): New function.
9119         (Output_section::set_is_relro_local): New function.
9120         (class Output_segment): Update declarations.
9121         * i386.cc (Target_i386::got_section): Mark .got section as relro.
9122         * sparc.cc (Target_sparc::got_section): Likewise.
9123         * x86_64.cc (Target_x86_64::got_section): Likewise.
9124         * testsuite/relro_test_main.cc: New file.
9125         * testsuite/relro_test.cc: New file.
9126         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
9127         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
9128         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
9129         (relro_test.so, relro_test_pic.o): New targets.
9130         * testsuite/Makefile.in: Rebuild.
9131
9132 2008-05-16  Ian Lance Taylor  <iant@google.com>
9133
9134         * output.cc (Output_segment::add_output_section): Remove front
9135         parameter.
9136         * output.h (class Output_segment): Remove
9137         add_initial_output_section and overloaded add_output_section.
9138         Update declaration of remaining add_output_section.
9139         * layout.cc (Layout::create_interp): Call add_output_section
9140         rather than add_initial_output_section.
9141         (Layout::finish_dynamic_section): Likewise.
9142
9143         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
9144         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
9145         know the dynamic type.
9146         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
9147         field.  Initialize it in constructor.
9148         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
9149         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
9150         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
9151         reloc.
9152
9153         * output.cc (Output_reloc::get_address): Change return type to
9154         Elf_Addr.
9155         * output.h (class Output_reloc): Update get_address declaration.
9156         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
9157         for section addresses.
9158
9159 2008-05-09  Ian Lance Taylor  <iant@google.com>
9160
9161         PR 6493
9162         * gold.cc (gold_nomem): Use return value of write.
9163
9164 2008-05-08  Ian Lance Taylor  <iant@google.com>
9165
9166         * symtab.c (Symbol::init_base_output_data): Add version
9167         parameter.  Change all callers.
9168         (Symbol::init_base_output_segment): Likewise.
9169         (Symbol::init_base_constant): Likewise.
9170         (Symbol::init_base_undefined): Likewise.
9171         (Sized_symbol::init_output_data): Likewise.
9172         (Sized_symbol::init_output_segment): Likewise.
9173         (Sized_symbol::init_constant): Likewise.
9174         (Sized_symbol::init_undefined): Likewise.
9175         (Symbol_table::do_define_in_output_data): If the new symbol has a
9176         version, mark it as the default.
9177         (Symbol_table::do_define_in_output_segment): Likewise.
9178         (Symbol_table::do_define_as_constant): Likewise.
9179         * symtab.h (class Symbol): Update declarations.
9180         (class Sized_symbol): Likewise.
9181         * resolve.cc (Symbol::override_version): New function.
9182         (Symbol::override_base): Call override_version.
9183         (Symbol::override_base_with_special): Likewise.
9184         * testsuite/ver_script_8.script: New file.
9185         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
9186         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
9187         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
9188         (ver_test_8_1.so, ver_test_8_2.so): New targets.
9189
9190 2008-05-06  Ian Lance Taylor  <iant@google.com>
9191
9192         PR 6049
9193         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
9194         functions.
9195         (class General_options): Remove existing --undefined, and add
9196         --no-undefined instead.  Add new --undefined as synonym for -u.
9197         * archive.cc (Archive::add_symbols): Check whether symbol was
9198         named with -u.
9199         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
9200         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
9201         all uses.  Add IS_UNDEFINED.  Update declarations to split
9202         different versions of init_base.  Declare init_base_undefined.
9203         (Symbol::is_defined): Handle IS_UNDEFINED.
9204         (Symbol::is_undefined): Likewise.
9205         (Symbol::is_weak_undefined): Call is_undefined.
9206         (Symbol::is_absolute): Handle IS_CONSTANT.
9207         (class Sized_symbol): Update declarations to split different
9208         versions of init.  Declare init_undefined.
9209         (class Symbol_table): Declare new functions.
9210         * symtab.cc (Symbol::init_base_object): Rename from init_base.
9211         Change all callers.
9212         (Symbol::init_base_output_data): Likewise.
9213         (Symbol::init_base_output_segment): Likewise.
9214         (Symbol::init_base_constant): Likewise.
9215         (Symbol::init_base_undefined): New function.
9216         (Sized_symbol::init_object): Rename from init.  Change all
9217         callers.
9218         (Sized_symbol::init_output_data): Likewise.
9219         (Sized_symbol::init_output_segment): Likewise.
9220         (Sized_symbol::init_constant): Likewise.
9221         (Sized_symbol::init_undefined): New function.
9222         (Symbol_table::add_undefined_symbols_from_command_line): New
9223         function.
9224         (Symbol_table::do_add_undefined_symbols_from_command_line): New
9225         function.
9226         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
9227         (Symbol::output_section): Likewise.
9228         (Symbol::set_output_section): Likewise.
9229         (Symbol_table::sized_finalize_symbol): Likewise.
9230         (Symbol_table::sized_write_globals): Likewise.
9231         * resolve.cc (Symbol_table::should_override): Likewise.
9232         (Symbol::override_base_with_special): Likewise.
9233
9234         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
9235         symbol, change it to have default visibility.
9236         * testsuite/protected_1.cc: New file.
9237         * testsuite/protected_2.cc: New file.
9238         * testsuite/protected_3.cc: New file.
9239         * testsuite/protected_main_1.cc: New file.
9240         * testsuite/protected_main_2.cc: New file.
9241         * testsuite/protected_main_3.cc: New file.
9242         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
9243         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
9244         (protected_1_LDFLAGS, protected_1_LDADD): Define.
9245         (protected_1.so): New target.
9246         (protected_1_pic.o, protected_2_pic.o): New targets.
9247         (protected_3_pic.o): New target.
9248         (check_PROGRAMS): Add protected_2.
9249         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
9250         (protected_2_LDFLAGS, protected_2_LDADD): Define.
9251         * testsuite/Makefile.in: Rebuild.
9252
9253         * options.h (DEFINE_var): Add set_user_set_##varname__.
9254         (DEFINE_bool_alias): New macro.
9255         (class General_options): Define -Bstatic using DEFINE_bool_alias
9256         rather than DEFINE_special.  Add --undefined as an alias for -z
9257         defs.
9258         * options.cc (General_options::parse_Bstatic): Remove.
9259
9260         * options.h (class General_options): Add --fatal-warnings.
9261         * main.cc (main): Implement --fatal-warnings.
9262         * errors.h (Errors::warning_count): New function.
9263
9264         * options.h (class General_options): Add -Bsymbolic-functions.
9265         * symtab.h (Symbol::is_preemptible): Check for
9266         -Bsymbolic-functions.
9267
9268 2008-05-05  Ian Lance Taylor  <iant@google.com>
9269
9270         * options.h (DEFINE_bool): For DASH_Z, create the negative option
9271         as noVARNAME rather than no-VARNAME.
9272         (class General_options): Add option -z combreloc.
9273         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
9274         get_address.
9275         (Output_reloc::sort_before) [SHT_REL]: New function.
9276         (Output_reloc::sort_before) [SHT_RELA]: New function.
9277         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
9278         Sort_relocs_comparison.
9279         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
9280         parameter.  Change all callers.
9281         (Output_data_reloc::Output_data_reloc) [both versions]: Add
9282         sort_relocs parameter.  Change all callers.
9283         * output.cc (Output_reloc::get_address): New function, broken out
9284         of write_rel.
9285         (Output_reloc::write_rel): Call it.
9286         (Output_reloc::compare): New function.
9287         (Output_data_reloc_base::do_write): Optionally sort relocs.
9288
9289         * configure.ac: If targ_extra_obj is set, link it in.
9290         * configure.tgt: Initialize all variables.
9291         (x86_64*): Set targ_extra_obj and targ_extra_size.
9292         * configure: Rebuild.
9293
9294         * object.cc (Sized_relobj::include_section_group): Adjust section
9295         indexes read from group data.  Build vector to pass to
9296         layout_group.
9297         * layout.cc (Layout::layout_group): Add flags and shndxes
9298         parameters.  Remove contents parameter.  Change caller.  Update
9299         explicit instantiations.
9300         * layout.h (class Layout): Update layout_group declaration.
9301         * output.cc (Output_data_group::Output_data_group): Add flags and
9302         input_shndxes parameters.  Remove contents parameter.  Change
9303         caller.
9304         (Output_data_group::do_write): Change input_sections_ to
9305         input_shndxes_.
9306         * output.h (class Output_data_group): Update constructor
9307         declaration.  Rename input_sections_ to input_shndxes_.
9308         * testsuite/many_sections_test.cc: Add template.
9309
9310 2008-04-30  Cary Coutant  <ccoutant@google.com>
9311
9312         * target-reloc.h (relocate_section): Fix dead-pointer bug.
9313
9314         * layout.cc (Layout::include_section): Refactored check for debug
9315         info section.
9316         (Layout::add_comdat): Add new parameters.  Change type
9317         of signature parameter.  Add object and shndx to signatures table.
9318         (Layout::find_kept_object): New function.
9319         * layout.h: Include <cstring>.
9320         (Layout::is_debug_info_section): New function.
9321         (Layout::add_comdat): Add new parameters.
9322         (Layout::find_kept_object): New function.
9323         (Layout::Kept_section): New struct.
9324         (Layout::Signatures): Change type of map range.
9325         * object.cc (Relobj::output_section_address): New function.
9326         (Sized_relobj::include_section_group): Add new parameters.  Change
9327         calls to Layout::add_comdat.  Change to build table of kept comdat
9328         groups and table mapping discarded sections to kept sections.
9329         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
9330         (Sized_relobj::do_layout): Change calls to include_section_group and
9331         include_linkonce_section.
9332         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
9333         value to zero when section is discarded.
9334         (Sized_relobj::map_to_kept_section): New function.
9335         * object.h (Relobj::output_section_address): New function.
9336         (Relobj::Comdat_group): New type.
9337         (Relobj::find_comdat_group): New function.
9338         (Relobj::Comdat_group_table): New type.
9339         (Relobj::Kept_comdat_section): New type.
9340         (Relobj::Kept_comdat_section_table): New type.
9341         (Relobj::add_comdat_group): New function.
9342         (Relobj::set_kept_comdat_section): New function.
9343         (Relobj::get_kept_comdat_section): New function.
9344         (Relobj::comdat_groups_): New field.
9345         (Relobj::kept_comdat_sections_): New field.
9346         (Symbol_value::input_value): Update comment.
9347         (Sized_relobj::map_to_kept_section) New function.
9348         (Sized_relobj::include_linkonce_section): Add new parameter.
9349         * target-reloc.h (Comdat_behavior): New type.
9350         (get_comdat_behavior): New function.
9351         (relocate_section): Add code to map a discarded section to the
9352         corresponding kept section when applying a relocation.
9353
9354 2008-04-30  Craig Silverstein  <csilvers@google.com>
9355
9356         * dwarf_reader.cc (next_generation_count): New static var.
9357         (Addr2line_cache_entry): New struct.
9358         (addr2line_cache): New static var.
9359         (Dwarf_line_info::one_addr2line): Added caching.
9360         (Dwarf_line_info::clear_addr2line_cache): New function.
9361         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
9362         cache-size parameter.
9363         (Dwarf_line_info::one_addr2line_cache): New function.
9364         * symtab.cc (Symbol_table::detect_odr_violations): Pass
9365         new cache-size argument to one_addr2line(), and clear cache.
9366
9367 2008-04-28  Cary Coutant  <ccoutant@google.com>
9368
9369         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
9370         R_386_PC8 relocations.
9371
9372 2008-04-23  Ian Lance Taylor  <iant@google.com>
9373
9374         * object.cc (Sized_relobj::include_section_group): Check for
9375         invalid section group.
9376
9377         * object.cc (make_elf_object): Correct test for 64-bit ELF file
9378         header size.
9379
9380         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
9381         than read for file header.
9382         * archive.cc (Archive::include_member): Likewise.
9383
9384 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
9385
9386         * aclocal.m4: Regenerate.
9387         * configure: Regenerate.
9388
9389 2008-04-19  Ian Lance Taylor  <iant@google.com>
9390
9391         * version.cc (version_string): Bump to 1.6.
9392
9393         * testsuite/Makefile.am (many_sections_r_test): New target.
9394         (many_sections_r_test_SOURCES): Remove.
9395         (many_sections_r_test_DEPENDENCIES): Remove.
9396         (many_sections_r_test_LDFLAGS): Remove.
9397         (many_sections_r_test_LDADD): Remove.
9398
9399         * object.cc (Sized_relobj::do_add_symbols): Always pass
9400         local_symbol_count_ to add_from_relobj.
9401
9402         * testsuite/Makefile.am (many_sections_check.h): Only check one in
9403         every thousand variables.
9404         * testsuite/Makefile.in: Rebuild.
9405
9406         * object.cc (Xindex::initialize_symtab_xindex): New function.
9407         (Xindex::read_symtab_xindex): New function.
9408         (Xindex::sym_xindex_to_shndx): New function.
9409         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
9410         available.
9411         (Sized_relobj::do_initialize_xindex): New function.
9412         (Sized_relobj::do_read_symbols): Adjust section links.
9413         (Sized_relobj::symbol_section_and_value): Add is_ordinary
9414         parameter.  Change all callers.
9415         (Sized_relobj::include_section_group): Adjust section links and
9416         symbol section indexes.
9417         (Sized_relobj::do_layout): Adjust section links.
9418         (Sized_relobj::do_count_local_symbols): Adjust section links and
9419         symbol section indexes.
9420         (Sized_relobj::do_finalize_local_symbols): Distinguish between
9421         ordinary and special symbols.
9422         (Sized_relobj::write_local_symbols): Add symtab_xindex and
9423         dynsym_xindex parameters.  Change all callers.  Adjust section
9424         links.  Use SHN_XINDEX when needed.
9425         (Sized_relobj::get_symbol_location_info): Adjust section links.
9426         Don't get fooled by special symbols.
9427         * object.h (class Xindex): Define.
9428         (class Object): Add xindex_ parameter.  Declare virtual functoin
9429         do_initialize_xindex.
9430         (Object::adjust_sym_shndx): New function.
9431         (Object::set_xindex): New protected function.
9432         (class Symbol_value): Add is_ordinary_shndx_ field.
9433         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
9434         (Symbol_value::value): Assert ordinary section.
9435         (Symbol_value::initialize_input_to_output_map): Likewise.
9436         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
9437         Change all callers.
9438         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
9439         all callers.
9440         (class Sized_relobj): Update declarations.
9441         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
9442         parameter.  Change all callers.
9443         (Sized_relobj::adjust_shndx): New function.
9444         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
9445         field.
9446         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
9447         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
9448         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
9449         (Sized_dynobj::read_dynsym_section): Adjust section links.
9450         (Sized_dynobj::read_dynamic): Likewise.
9451         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
9452         section links.
9453         (Sized_dynobj::do_initialize_xindex): New function.
9454         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
9455         do_initialize_xindex.
9456         (Sized_dynobj::adjust_shndx): New function.
9457         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
9458         dynsym_xindex_ fields.
9459         (Layout::finalize): Add a call to set_section_indexes before
9460         creating the symtab sections.
9461         (Layout::set_section_indexes): Don't do anything if the section
9462         already has a section index.
9463         (Layout::create_symtab_sections): Add shnum parameter.  Change
9464         caller.  Create .symtab_shndx section if needed.
9465         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
9466         caller.
9467         (Layout::allocated_output_section_count): New function.
9468         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
9469         needed.
9470         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
9471         fields.  Update declarations.
9472         (Layout::symtab_xindex): New function.
9473         (Layout::dynsym_xindex): New function.
9474         (class Write_symbols_task): Add layout_ field.
9475         (Write_symbols_task::Write_symbols_task): Add layout parameter.
9476         Change caller.
9477         * output.cc (Output_section_headers::Output_section_headers): Add
9478         shstrtab_section parameter.  Change all callers.
9479         (Output_section_headers::do_sized_write): Store overflow values
9480         for section count and section string table section index in
9481         section header zero.
9482         (Output_file_header::do_sized_write): Check for overflow of
9483         section count and section string table section index.
9484         (Output_symtab_xindex::do_write): New function.
9485         (Output_symtab_xindex::endian_do_write): New function.
9486         * output.h (class Output_section_headers): Add shstrtab_section_.
9487         Update declarations.
9488         (class Output_symtab_xindex): Define.
9489         (Output_section::has_out_shndx): New function.
9490         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
9491         field.
9492         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
9493         Change all callers.
9494         (Sized_symbol::init): Likewise.
9495         (Symbol::output_section): Check for ordinary symbol.
9496         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
9497         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
9498         callers.
9499         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
9500         Change all callers.  Simplify handling of symbols from sections
9501         not included in the link.
9502         (Symbol_table::add_from_dynobj): Handle ordinary symbol
9503         distinction.
9504         (Weak_alias_sorter::operator()): Assert that symbols are
9505         ordinary.
9506         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
9507         distinction.
9508         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
9509         parameters.  Change all callers.
9510         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
9511         symbol distinction.  Use SHN_XINDEX when needed.
9512         (Symbol_table::write_section_symbol): Add symtab_xindex
9513         parameter.  Change all callers.
9514         (Symbol_table::sized_write_section_symbol): Likewise.  Use
9515         SHN_XINDEX when needed.
9516         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
9517         declarations.
9518         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
9519         (Symbol::is_defined): Check is_ordinary.
9520         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
9521         (Symbol::is_absolute, Symbol::is_common): Likewise.
9522         (class Sized_symbol): Update declarations.
9523         (class Symbol_table): Update declarations.
9524         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
9525         parameters.  Change all callers.
9526         (Sized_symbol::override): Likewise.
9527         (Symbol_table::override): Likewise.
9528         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
9529         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
9530         is_ordinary, and orig_st_shndx parameters.  Change all callers.
9531         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
9532         to be in an ordinary section.
9533         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
9534         object and is_ordinary parameters.  Change all callers.
9535         (Sized_dwarf_line_info::read_relocs): Add object parameter.
9536         Change all callers.  Don't add undefined or non-ordinary symbols
9537         to reloc_map_.
9538         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
9539         Change all callers.
9540         * dwarf_reader.h (class Sized_dwarf_line_info): Update
9541         declarations.
9542         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
9543         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
9544         (Sized_relobj::relocate_sections): Likewise.
9545         * target-reloc.h (scan_relocs): Adjust section symbol index.
9546         (scan_relocatable_relocs): Likewise.
9547         * i386.cc (Scan::local): Check for ordinary symbols.
9548         * sparc.cc (Scan::local): Likewise.
9549         * x86_64.cc (Scan::local): Likewise.
9550         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
9551         to symbol_section_and_value.
9552         * testsuite/many_sections_test.cc: New file.
9553         * testsuite/Makefile.am (BUILT_SOURCES): Define.
9554         (check_PROGRAMS): Add many_sections_test.
9555         (many_sections_test_SOURCES): Define.
9556         (many_sections_test_DEPENDENCIES): Define.
9557         (many_sections_test_LDFLAGS): Define.
9558         (BUILT_SOURCES): Add many_sections_define.h.
9559         (many_sections_define.h): New target.
9560         (BUILT_SOURCES): Add many_sections_check.h.
9561         (many_sections_check.h): New target.
9562         (check_PROGRAMS): Add many_sections_r_test.
9563         (many_sections_r_test_SOURCES): Define.
9564         (many_sections_r_test_DEPENDENCIES): Define.
9565         (many_sections_r_test_LDFLAGS): Define.
9566         (many_sections_r_test_LDADD): Define.
9567         (many_sections_r_test.o): New target.
9568         * testsuite/Makefile.in: Rebuild.
9569
9570 2008-04-17  Cary Coutant  <ccoutant@google.com>
9571
9572         * errors.cc (Errors::info): New function.
9573         (gold_info): New function.
9574         * errors.h (Errors::info): New function.
9575         * gold.h (gold_info): New function.
9576         * object.cc (Input_objects::add_object): Print trace output.
9577         * options.cc (options::parse_set): New function.
9578         (General_options::parse_wrap): Deleted.
9579         (General_options::General_options): Deleted initializer.
9580         * options.h (options::String_set): New typedef.
9581         (options::parse_set): New function.
9582         (DEFINE_set): New macro.
9583         (General_options::wrap): Changed to use DEFINE_set. Changed
9584         callers of any_wrap_symbols and is_wrap_symbol.
9585         (General_options::trace, General_options::trace_symbol):
9586         New options.
9587         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
9588         (General_options::wrap_symbols_): Deleted.
9589         * symtab.cc (Symbol_table::add_from_object): Print trace output.
9590
9591 2008-04-17  David S. Miller  <davem@davemloft.net>
9592
9593         * options.cc (General_options::parse_V): New function.
9594         * options.h: Add entries for -V and -Qy.
9595
9596 2008-04-17  Ian Lance Taylor  <iant@google.com>
9597
9598         * common.cc (Symbol_table::allocate_commons): Remove options
9599         parameter.  Change caller.
9600         (Symbol_table::do_allocate_commons): Remove options parameter.
9601         Change caller.  Just call do_allocate_commons_list twice.
9602         (Symbol_table::do_allocate_commons_list): New function, broken out
9603         of do_allocate_commons.
9604         * common.h (class Allocate_commons_task): Remove options_ field.
9605         Update constructor.
9606         * symtab.cc (Symbol_table::Symbol_table): Initialize
9607         tls_commons_.
9608         (Symbol_table::add_from_object): Put TLS common symbols on
9609         tls_commons_ list.
9610         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
9611         which are IN_OUTPUT_DATA.
9612         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
9613         allocate_commons and do_allocate_commons declarations.  Declare
9614         do_allocate_commons_list.
9615         * gold.cc (queue_middle_tasks): Update creation of
9616         Allocate_commons_task to not pass options.
9617         * testsuite/Makefile.am (INCLUDES): Add -I.. .
9618         (TLS_TEST_C_FLAGS): New variable.
9619         (tls_test_c_pic.o): New target.
9620         (tls_test_shared.so): Link in tls_test_c_pic.o.
9621         (tls_test_c_pic_ie.o): New target.
9622         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
9623         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
9624         (tls_test_c.o): New target.
9625         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
9626         (tls_pic_test_LDADD): Likewise.
9627         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
9628         (tls_shared_gd_to_ie_test_LDADD): Likewise.
9629         (tls_test_c_gnu2.o): New target.
9630         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
9631         tls_test_c_gnu2.o.
9632         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
9633         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
9634         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
9635         * testsuite/tls_test.cc: Include "config.h".
9636         (t_last): Call t11_last.
9637         * testsuite/tls_test.h (t11, t11_last): Declare.
9638         * testsuite/tls_test_c.c: New file.
9639         * testsuite/tls_test_main.cc (thread_routine): Call t11.
9640         * configure.ac: Check for OpenMP support.
9641         * configure, config.in, Makefile.in: Rebuild.
9642         * testsuite/Makefile.in: Rebuild.
9643
9644 2008-04-16  Cary Coutant  <ccoutant@google.com>
9645
9646         * i386.cc (Target_i386::define_tls_base_symbol): New function.
9647         (Target_i386::tls_base_symbol_defined_): New field.
9648         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9649         (Target_i386::Scan::global): Likewise.
9650         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
9651         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
9652         (Target_x86_64::tls_base_symbol_defined_): New field.
9653         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
9654         (Target_x86_64::Scan::global): Likewise.
9655
9656 2008-04-16  Cary Coutant  <ccoutant@google.com>
9657
9658         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
9659         (Symbol::needs_plt_entry): Allow weak undefined symbols.
9660         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
9661         building shared libraries.
9662         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
9663         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
9664         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
9665         * testsuite/Makefile.in: Rebuild.
9666         * testsuite/weak_undef.h: New file.
9667         * testsuite/weak_undef_file1.cc: Add extra test cases.
9668         * testsuite/weak_undef_file2.cc: Likewise.
9669         * testsuite/weak_undef_test.cc: Likewise.
9670
9671 2008-04-16  David S. Miller  <davem@davemloft.net>
9672
9673         * sparc.cc (Target_sparc::Scan): Change from struct to class.
9674         Add issued_non_pic_error_ field.  Declare check_non_pic.
9675         (Target_sparc::Scan::check_non_pic): New function.
9676         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
9677         (Target_sparc::Scan::global): Likewise.
9678
9679         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
9680         * configure: Rebuild.
9681
9682         * options.h (DEFINE_enable): New macro.
9683         (new_dtags): New enable option.
9684         (initfirst, interpose, loadfltr, nodefaultlib,
9685         nodelete, nodlopen, nodump): New -z options.
9686         * layout.cc (Layout:finish_dynamic_section): If new
9687         dtags enabled, emit DT_RUNPATH.  Also, emit a
9688         DT_FLAGS_1 containing any specified -z flags.
9689
9690 2008-04-16  Ian Lance Taylor  <iant@google.com>
9691
9692         * copy-relocs.cc: New file.
9693         * copy-relocs.h: New file.
9694         * reloc.cc: Remove Copy_relocs code.
9695         * reloc.h: Likewise.
9696         * reloc-types.h (struct Reloc_types) [both versions]: Add
9697         get_reloc_addend_noerror.
9698         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
9699         variants of add_global which take an addend which must be zero.
9700         * i386.cc: Include "copy-relocs.h".
9701         (class Target_i386): Change type of copy_relocs_ to variable,
9702         update initializer.
9703         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
9704         Change all callers.
9705         (Target_i386::do_finalize_sections): Change handling of
9706         copy_relocs_.
9707         * sparc.cc: Include "copy-relocs.h".
9708         (class Target_sparc): Change type of copy_relocs_ to variable,
9709         update initializer.
9710         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
9711         Change all callers.
9712         (Target_sparc::do_finalize_sections): Change handling of
9713         copy_relocs_.
9714         * x86_64.cc: Include "copy-relocs.h".
9715         (class Target_x86_64): Change type of copy_relocs_ to variable,
9716         update initializer.
9717         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
9718         class.  Change all callers.
9719         (Target_x86_64::do_finalize_sections): Change handling of
9720         copy_relocs_.
9721         * Makefile.am (CCFILES): Add copy-relocs.cc.
9722         (HFILES): Add copy-relocs.h.
9723
9724         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
9725
9726         * testsuite/script_test_4.sh: Permit leading zeroes.
9727
9728 2008-04-15  Ian Lance Taylor  <iant@google.com>
9729
9730         * script-sections.cc (Script_sections::create_segments): Use
9731         header_size_adjustment even when there is enough room for the
9732         headers.
9733         * testsuite/script_test_4.sh: New file.
9734         * testsuite/script_test_4.t: New file.
9735         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
9736         (check_DATA): Add script_test_4.stdout.
9737         (MOSTLYCLEANFILES): Likewise.
9738         (script_test_4): New target.
9739         (script_test_4.stdout): New target.
9740         * testsuite/Makefile.in: Rebuild.
9741
9742         * sparc.cc: Add definitions for Output_data_plt_sparc class
9743         constants.
9744
9745 2008-04-14  David S. Miller  <davem@davemloft.net>
9746
9747         * sparc.cc: New file.
9748         * Makefile.am (TARGETSOURCES): Add sparc.cc
9749         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
9750         * configure.tgt: Document targ_extra_size and
9751         targ_extra_big_endian.  Add entries for sparc-* and
9752         sparc64-*.
9753         * configure.ac: Handle targ_extra_size and
9754         targ_extra_big_endian.
9755         * Makefile.in: Rebuild.
9756         * configure: Likewise.
9757         * po/POTFILES.in: Likewise.
9758         * po/gold.pot: Likewise.
9759
9760 2008-04-14  Ian Lance Taylor  <iant@google.com>
9761
9762         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
9763         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
9764         in the name/type/flags to section mapping.  Don't call
9765         allocate_output_section.
9766         (Layout::choose_output_section): Change parameter from adjust_name
9767         to is_input_section.  Don't permit input sections after sections
9768         are attached to segments.  Don't call allocate_output_section.
9769         (Layout::layout_eh_frame): Call update_flags_for_input_section,
9770         not write_enable_output_section.
9771         (Layout::make_output_section): Don't push to
9772         unattached_section_list_ nor call attach_to_segment.  Call
9773         attach_section_to_segment if sections are attached.
9774         (Layout::attach_sections_to_segments): New function.
9775         (Layout::attach_section_to_segment): New function.
9776         (Layout::attach_allocated_section_to_segment): Rename from
9777         attach_to_segment.  Remove flags parameter.
9778         (Layout::allocate_output_section): Remove function.
9779         (Layout::write_enable_output_section): Remove function.
9780         * layout.h (class Layout): Update for above changes.  Add new
9781         field sections_are_attached_.
9782         * output.h (Output_section::update_flags_for_input_section): New
9783         function.
9784         * output.cc (Output_section::add_input_section): Call
9785         update_flags_for_input_section.
9786         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
9787
9788 2008-04-11  Cary Coutant  <ccoutant@google.com>
9789
9790         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
9791         thought unnecessary.
9792         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
9793
9794 2008-04-11  Ian Lance Taylor  <iant@google.com>
9795
9796         * output.h (class Output_section_data): Remove inline definition
9797         of set_addralign.
9798         * output.cc (Output_section_data::set_addralign): New function.
9799
9800 2008-04-11  Cary Coutant  <ccoutant@google.com>
9801
9802         Add support for TLS descriptors for i386 and x86_64.
9803         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
9804         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
9805         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
9806         GOT_TYPE_TLS_DESC.
9807         (Target_i386::got_mod_index_entry): Remove unnecessary code.
9808         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
9809         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
9810         relocations.
9811         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
9812         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
9813         Fix problem with initial-exec relocations.
9814         (Target_i386::Relocate::relocate_tls): Likewise.
9815         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
9816         relaxation.
9817         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
9818         support for section-plus-offset dynamic table entries.
9819         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
9820         (Output_data_dynamic::Dynamic_entry): Add support for
9821         section-plus-offset dynamic table entries.
9822         (Output_data_dynamic::Classification): Likewise.
9823         (Output_data_dynamic::classification_): Renamed offset_.
9824         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
9825         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
9826         (Target_x86_64::make_plt_section): New function.
9827         (Target_x86_64::reserve_tlsdesc_entries): New function.
9828         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
9829         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
9830         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
9831         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
9832         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
9833         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
9834         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
9835         add extra PLT entry for TLS descriptors.
9836         (Output_data_plt_x86_64::got_): New field.
9837         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
9838         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
9839         fields.
9840         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
9841         descriptors.
9842         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
9843         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
9844         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
9845         R_386_TLS_DESC_CALL relocations.
9846         (Target_x86_64::Scan::global): Likewise.
9847         (Target_x86_64::do_finalize_sections): Add dynamic table entries
9848         for TLS descriptors.
9849         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
9850         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
9851         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
9852         GD-to-IE relaxation.
9853         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
9854         and TLS_DESCRIPTORS.
9855         * Makefile.in: Rebuild.
9856         * configure: Rebuild.
9857         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
9858         (tls_test_shared2.so): New target.
9859         (tls_shared_gd_to_ie_test_SOURCES): New variable.
9860         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
9861         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
9862         (tls_shared_gd_to_ie_test_LDADD): New variable.
9863         (tls_shared_gnu2_gd_to_ie_test): New target.
9864         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
9865         New targets.
9866         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
9867         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
9868         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
9869         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
9870         (tls_shared_gnu2_test): New target.
9871         (tls_test_gnu2_shared.so): New target.
9872         (tls_shared_gnu2_test_SOURCES): New variable.
9873         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
9874         (tls_shared_gnu2_test_LDFLAGS): New variable.
9875         (tls_shared_gnu2_test_LDADD): New variable.
9876         * testsuite/Makefile.in: Rebuild.
9877         * testsuite/Makefile.
9878
9879 2008-04-11  Ian Lance Taylor  <iant@google.com>
9880
9881         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
9882         justsyms.t.
9883         * testsuite/Makefile.in: Rebuild.
9884
9885         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
9886         long.
9887         * testsuite/script_test_2.cc (main): Adjust test.
9888
9889 2008-04-11  David S. Miller  <davem@davemloft.net>
9890             Ian Lance Taylor  <iant@google.com>
9891
9892         * options.h (General_options): Add entries for '-Y' and
9893         '-relax'.
9894         * options.cc (General_options:finalize): If -Y was used, add those
9895         entries to the library path instead of the default "/lib" and
9896         "/usr/lib".
9897
9898 2008-04-11  David S. Miller  <davem@davemloft.net>
9899
9900         * testsuite/justsyms.t: Start at 0x100.
9901         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
9902         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
9903         long.
9904         * testsuite/script_test_2.cc: Adjust string and section length
9905         checks.
9906
9907 2008-04-09  Ian Lance Taylor  <iant@google.com>
9908
9909         PR gold/5996
9910         * script-sections.cc (Sections_element::allocate_to_segment): Add
9911         orphan parameter.
9912         (Output_section_definition::allocate_to_segment): Likewise.
9913         (Orphan_output_section::allocate_to_segment): Likewise.
9914         (Script_sections::attach_sections_using_phdrs_clause): Don't
9915         propagate non-PT_LOAD segments to orphan sections.
9916         * testsuite/Makefile.am (script_test_3.stdout): Generate using
9917         readelf rather than objdump.
9918         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
9919         .interp section and PT_INTERP segment are the same size.
9920         * testsuite/Makefile.in: Rebuild.
9921
9922         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
9923         aliases for symbols defined in the same object.
9924         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
9925         (weak_alias_test_SOURCES): New variable.
9926         (weak_alias_test_DEPENDENCIES): New variable.
9927         (weak_alias_test_LDFLAGS): New variable.
9928         (weak_alias_test_LDADD): New variable.
9929         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
9930         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
9931         (weak_alias_test_3.o): New target.
9932         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
9933         * testsuite/weak_alias_test_main.cc: New file.
9934         * testsuite/weak_alias_test_1.cc: New file.
9935         * testsuite/weak_alias_test_2.cc: New file.
9936         * testsuite/weak_alias_test_3.cc: New file.
9937
9938 2008-04-08  Ian Lance Taylor  <iant@google.com>
9939
9940         * options.h (class General_options): Add --noinhibit-exec option.
9941         * main.cc (main): Check --noinhibit-exec.
9942
9943         * options.h (class General_options): Define --wrap as a special
9944         option.  Add wrap_symbols_ field.
9945         (General_options::any_wrap_symbols): New function.
9946         (General_options::is_wrap_symbol): New function.
9947         * options.cc (General_options::parse_wrap): New function.
9948         (General_options::General_options): Initialize wrap_symbols_.
9949         * symtab.cc (Symbol_table::wrap_symbol): New function.
9950         (Symbol_table::add_from_object): Handle --wrap.
9951         * symtab.h (class Symbol_table): Declare wrap_symbol.
9952         * target.h (Target::wrap_char): New function.
9953         (Target::Target_info): Add wrap_char field.
9954         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
9955         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9956         * testsuite/testfile.cc (Target_test::test_target_info):
9957         Likewise.
9958
9959         * errors.cc (Errors::undefined_symbol): Mention symbol version if
9960         there is one.
9961
9962         * layout.h (class Layout): Add added_eh_frame_data_ field.
9963         * layout.cc (Layout::Layout): Initialize new field.
9964         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
9965         output section until we find a section we merged successfully.
9966         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
9967         that the size be non-zero.
9968
9969         * merge.cc (Object_merge_map::get_output_offset): Remove inline
9970         qualifier.
9971
9972 2008-04-08  Craig Silverstein  <csilvers@google.com>
9973
9974         * configure.ac: Export new conditional variable HAVE_ZLIB.
9975         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
9976         on HAVE_ZLIB.
9977         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
9978         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
9979
9980 2008-04-07  Ian Lance Taylor  <iant@google.com>
9981
9982         * version.cc (version_string): Set to "1.5".
9983
9984         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
9985         Add issued_non_pic_error_ field.  Declare check_non_pic.
9986         (Target_x86_64::Scan::check_non_pic): New function.
9987         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
9988         (Target_x86_64::Scan::global): Likewise.
9989
9990         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
9991         addend parameter.  Change caller.  Handle merge sections.
9992         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
9993         Address to Addend.  Don't add in the result of
9994         local_section_offset, pass down the addend and use the returned
9995         value.
9996         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
9997         Update declarations of local_section_offset and symbol_value.
9998         * testsuite/two_file_test_1.cc (t18): New function.
9999         * testsuite/two_file_test_2.cc (f18): New function.
10000         * testsuite/two_file_test_main.cc (main): Call t18.
10001         * testsuite/two_file_test.h (t18, f18): Declare.
10002
10003         * configure.ac: Don't test for objdump, c++filt, or readelf.
10004         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
10005         conditionals.
10006         (TEST_READELF): New variable.
10007         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
10008         (check_PROGRAMS): Add two_file_strip_test.
10009         (two_file_strip_test): New target.
10010         (check_PROGRAMS): Add two_file_same_shared_strip_test.
10011         (two_file_same_shared_strip_test_SOURCES): New variable.
10012         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
10013         (two_file_same_shared_strip_test_LDFLAGS): New variable.
10014         (two_file_same_shared_strip_test_LDADD): New variable.
10015         (two_file_shared_strip.so): New target.
10016         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
10017         (ver_test_5.syms, ver_test_7.syms): Likewise.
10018         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
10019         (strip_test_3.stdout): Use TEST_OBJDUMP.
10020         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10021
10022 2008-04-04  Cary Coutant  <ccoutant@google.com>
10023
10024         * symtab.h (Symbol::is_weak_undefined): New function.
10025         (Symbol::is_strong_undefined): New function.
10026         (Symbol::is_absolute): New function.
10027         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
10028         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
10029         absolute symbols.
10030         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
10031         (weak_undef_test): New target.
10032         * testsuite/Makefile.in: Rebuild.
10033         * testsuite/weak_undef_file1.cc: New file.
10034         * testsuite/weak_undef_file2.cc: New file.
10035         * testsuite/weak_undef_test.cc: New file.
10036
10037 2008-04-03  Craig Silverstein  <csilvers@google.com>
10038
10039         * compressed_output.h (class Output_compressed_section): Use
10040         unsigned buffer.
10041         * compressed_output.cc (zlib_compress): Use unsigned buffers,
10042         add zlib header.
10043         (zlib_compressed_suffix): Removed.
10044         (Output_compressed_section::set_final_data_size): Use unsigned
10045         buffers.
10046         * testsuite/Makefile.am (flagstest_compress_debug_sections):
10047         Fix linker invocation.
10048         (flagstest_o_specialfile_and_compress_debug_sections):
10049         Likewise.
10050         * testsuite/Makefile.in: Regenerated.
10051
10052 2008-04-02  David S. Miller  <davem@davemloft.net>
10053
10054         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
10055         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
10056
10057 2008-04-02  Craig Silverstein  <csilvers@google.com>
10058
10059         * TODO: New file.
10060
10061 2008-04-02  Ian Lance Taylor  <iant@google.com>
10062
10063         * fileread.cc (File_read::find_view): Add byteshift and vshifted
10064         parameters.  Update for new key type to views_.  Change all
10065         callers.
10066         (File_read::read): Adjust for byteshift in returned view.
10067         (File_read::add_view): New function, broken out of
10068         find_and_make_view.
10069         (File_read::make_view): New function, broken out of
10070         find_and_make_view.
10071         (File_read::find_or_make_view): Add offset and aligned
10072         parameters.  Rewrite accordingly.  Change all callers.
10073         (File_read::get_view): Add offset and aligned parameters.  Adjust
10074         for byteshift in return value.
10075         (File_read::get_lasting_view): Likewise.
10076         * fileread.h (class File_read): Update declarations.
10077         (class File_read::View): Add byteshift_ field.  Add byteshift to
10078         constructor.  Add byteshift method.
10079         * archive.h (Archive::clear_uncached_views): New function.
10080         (Archive::get_view): Add aligned parameter.  Change all callers.
10081         * object.h (Object::get_view): Add aligned parameter.  Change all
10082         callers.
10083         (Object::get_lasting_view): Likewise.
10084
10085         * fileread.cc (File_read::release): Don't call clear_views if
10086         there are multiple objects.
10087         * fileread.h (File_read::clear_uncached_views): New function.
10088         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
10089         on the archive.
10090
10091 2008-03-31  Cary Coutant  <ccoutant@google.com>
10092
10093         Add thin archive support.
10094         * archive.cc (Archive::armagt): New const.
10095         (Archive::setup): Remove task parameter and calls to unlock.
10096         (Archive::unlock_nested_archives): New function.
10097         (Archive::read_header): Add nested_off parameter. Change
10098         all callers.
10099         (Archive::interpret_header): Likewise.
10100         (Archive::include_all_members): Change to handle thin
10101         archives.
10102         (Archive::include_member): Likewise.
10103         * archive.h (Archive::Archive): Add new parameters and
10104         initializers.
10105         (Archive::armagt): New const.
10106         (Archive::setup): Remove task parameter.
10107         (Archive::unlock_nested_archives): New function.
10108         (Archive::read_header): Add nested_off parameter.
10109         (Archive::interpret_header): Likewise.
10110         (Archive::Nested_archive_table): New typedef.
10111         (Archive::is_thin_archive_): New field.
10112         (Archive::nested_archives_): New field.
10113         (Archive::options_): New field.
10114         (Archive::dirpath_): New field.
10115         (Archive::task_): New field.
10116         * readsyms.cc (Read_symbols::do_read_symbols): Add check
10117         for thin archives.  Pass additional parameters to
10118         Archive::Archive.  Unlock the archive file after calling
10119         Archive::setup.
10120
10121 2008-03-29  Ian Lance Taylor  <iant@google.com>
10122
10123         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
10124         version symbol to be local.
10125         * testsuite/ver_test_4.sh: New file.
10126         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
10127         (check_DATA): Add ver_test_4.syms.
10128         (ver_test_4.syms): New target.
10129         * testsuite/Makefile.in: Rebuild.
10130
10131         * output.cc
10132         (Output_section::Input_section_sort_entry::has_priority): New
10133         function.
10134         (Output_section::Input_section_sort_entry::match_file_name): New
10135         function.
10136         (Output_section::Input_section_sort_entry::match_section_name):
10137         Remove.
10138         (Output_section::Input_section_sort_entry::match_section_name_prefix):
10139         Remove.
10140         (Output_section::Input_section_sort_entry::match_section_file):
10141         Remove.
10142         (Output_section::Input_section_sort_compare::operator()): Rewrite
10143         using new Input_section_sort_entry functions.  Sort crtbegin and
10144         crtend first.  Sort sections with no priority before sections with
10145         a priority.
10146         * testsuite/initpri1.c (d3): Check j != 4.
10147         (cd5): New constructor/destructor function.
10148         (main): Check j != 2.
10149
10150         * symtab.cc (Symbol_table::add_from_object): If we don't use the
10151         new symbol when resolving, don't call set_is_default.
10152         * testsuite/ver_test_7.cc: New file.
10153         * testsuite/ver_test_7.sh: New file.
10154         * testsuite/Makefile.am (ver_test_7.so): New target.
10155         (ver_test_7.o): New target.
10156         (check_SCRIPTS): Add ver_test_7.sh.
10157         (check_DATA): Add ver_test_7.syms.
10158         (ver_test_7.syms): New target.
10159
10160 2008-03-28  Ian Lance Taylor  <iant@google.com>
10161
10162         * layout.cc (Layout::layout): If we see an input section with a
10163         name that needs sorting, set the must_sort flag for the output
10164         section.
10165         (Layout::make_output_section): If the name of the output section
10166         indicates that it might require sorting, set the may_sort flag.
10167         * output.h (Output_section::may_sort_attached_input_sections): New
10168         function.
10169         (Output_section::set_may_sort_attached_input_sections): New
10170         function.
10171         (Output_section::must_sort_attached_input_sections): New
10172         function.
10173         (Output_section::set_must_sort_attached_input_sections): New
10174         function.
10175         (class Output_section): Declare Input_section_sort_entry.  Define
10176         Input_section_sort_compare.  Declare
10177         sort_attached_input_sections.  Add new fields:
10178         may_sort_attached_input_sections_,
10179         must_sort_attached_input_sections_,
10180         attached_input_sections_are_sorted_.
10181         * output.cc (Output_section::Output_section): Initialize new
10182         fields.
10183         (Output_section::add_input_section): Add an entry to
10184         input_sections_ if may_sort or must_sort are true.
10185         (Output_section::set_final_data_size): Call
10186         sort_attached_input_sections if necessary.
10187         (Output_section::Input_section_sort_entry): Define new class.
10188         (Output_section::Input_section_sort_compare::operator()): New
10189         function.
10190         (Output_section::sort_attached_input_sections): New function.
10191         * configure.ac: Check whether the compiler supports constructor
10192         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
10193         * testsuite/initpri1.c: New file.
10194         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
10195         CONSTRUCTOR_PRIORITY.
10196         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
10197         (initpri1_LDFLAGS): New variable.
10198         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
10199
10200 2008-03-27  Ian Lance Taylor  <iant@google.com>
10201
10202         * common.cc (Sort_commons::operator): Correct sorting algorithm.
10203         * testsuite/common_test_1.c: New file.
10204         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
10205         (common_test_1_SOURCES): New variable.
10206         (common_test_1_DEPENDENCIES): New variable.
10207         (common_test_1_LDFLAGS): New variable.
10208
10209         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
10210         and commons_ correctly when NAME/VERSION does not override
10211         NAME/NULL.
10212         * testsuite/ver_test_6.c: New file.
10213         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
10214         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
10215         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
10216
10217 2008-03-26  Ian Lance Taylor  <iant@google.com>
10218
10219         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
10220         of an undefined symbol from a version script.
10221         * testsuite/Makefile.am (ver_test_5.so): New target.
10222         (ver_test_5.o): New target.
10223         (check_SCRIPTS): Add ver_test_5.sh.
10224         (check_DATA): Add ver_test_5.syms.
10225         (ver_test_5.syms): New target.
10226         * testsuite/ver_test_5.cc: New file.
10227         * testsuite/ver_test_5.script: New file.
10228         * testsuite/ver_test_5.sh: New file.
10229         * Makefile.in, testsuite/Makefile.in: Rebuild.
10230
10231         PR gold/5986
10232         Fix problems building gold with gcc 4.3.0.
10233         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
10234         (gold_error_at_location, gold_warning_at_location): Use it.
10235         * configure.ac: Check whether we can compile and use a template
10236         function with a printf attribute.
10237         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
10238         when jumping over bytes.
10239         * object.cc: Instantiate Object::read_section_data.
10240         * debug.h: Include <cstring>
10241         * dwarf_reader.cc: Include <algorithm>
10242         * main.cc: Include <cstring>.
10243         * options.cc: Include <cstring>.
10244         * output.cc: Include <cstring>.
10245         * script.cc: Include <cstring>.
10246         * script.h: Include <string>.
10247         * symtab.cc: Include <cstring> and <algorithm>.
10248         * target-select.cc: Include <cstring>.
10249         * version.cc: Include <string>.
10250         * testsuite/testmain.cc: Include <cstdlib>.
10251         * configure, config.in: Rebuild.
10252
10253 2008-03-25  Ian Lance Taylor  <iant@google.com>
10254
10255         * options.cc: Include "../bfd/bfdver.h".
10256         (options::help): Print bug reporting address.
10257
10258         * version.cc (print_version): Adjust output for current value of
10259         BFD_VERSION_STRING.
10260
10261         * NEWS: New file.
10262
10263         * options.cc (options::help): Print list of supported targets.
10264         * target-select.h: Include <vector>.
10265         (class Target_selector): Make machine_, size_, and is_big_endian_
10266         fields const.  Add bfd_name_ and instantiated_target_ fields.
10267         (Target_selector::Target_selector): Add bfd_name parameter.
10268         (Target_selector::recognize): Make non-virtual, call
10269         do_recognize.
10270         (Target_selector::recognize_by_name): Make non-virtual, call
10271         do_recognize_by_name.
10272         (Target_selector::supported_names): New function.
10273         (Target_selector::bfd_name): New function.
10274         (Target_selector::do_instantiate_target): New pure virtual
10275         function.
10276         (Target_selector::do_recognize): New virtual function.
10277         (Target_selector::do_recognize_by_name): New virtual function.
10278         (Target_selector::instantiate_target): New private function.
10279         (supported_target_names): Declare.
10280         * target-select.cc (Target_selector::Target_selector): Update for
10281         new parameter and fields.
10282         (select_target_by_name): Check that the name matches before
10283         calling recognize_by_name.
10284         (supported_target_names): New function.
10285         * i386.cc (class Target_selector_i386): Update Target_selector
10286         constructor call.  Remove recognize and recognize_by_name.  Add
10287         do_instantiate_target.
10288         * x86_64.cc (class Target_selector_x86_64): Likewise.
10289         * testsuite/testfile.cc (class Target_selector_test): Update for
10290         changes to Target_selector.
10291
10292         * README: Rewrite, with some notes on unsupported features.
10293
10294 2008-03-24  Cary Coutant  <ccoutant@google.com>
10295
10296         * i386.cc (Target_i386::Got_type): New enum declaration.
10297         (Target_i386::Scan::local): Updated callers of Output_data_got
10298         member functions.
10299         (Target_i386::Scan::global): Likewise.
10300         (Target_i386::Relocate::relocate): Likewise.
10301         (Target_i386::Relocate::relocate_tls): Likewise.
10302         * object.h (Got_offset_list): New class.
10303         (Sized_relobj::local_has_got_offset): Added got_type parameter.
10304         (Sized_relobj::local_got_offset): Likewise.
10305         (Sized_relobj::set_local_got_offset): Likewise.
10306         (Sized_relobj::local_has_tls_got_offset): Removed.
10307         (Sized_relobj::local_tls_got_offset): Removed.
10308         (Sized_relobj::set_local_tls_got_offset): Removed.
10309         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
10310         * output.cc (Output_data_got::add_global): Added got_type parameter.
10311         (Output_data_got::add_global_with_rel): Likewise.
10312         (Output_data_got::add_global_with_rela): Likewise.
10313         (Output_data_got::add_global_pair_with_rel): New function.
10314         (Output_data_got::add_global_pair_with_rela): New function.
10315         (Output_data_got::add_local): Added got_type parameter.
10316         (Output_data_got::add_local_with_rel): Likewise.
10317         (Output_data_got::add_local_with_rela): Likewise.
10318         (Output_data_got::add_local_pair_with_rel): New function.
10319         (Output_data_got::add_local_pair_with_rela): New function.
10320         (Output_data_got::add_global_tls): Removed.
10321         (Output_data_got::add_global_tls_with_rel): Removed.
10322         (Output_data_got::add_global_tls_with_rela): Removed.
10323         (Output_data_got::add_local_tls): Removed.
10324         (Output_data_got::add_local_tls_with_rel): Removed.
10325         (Output_data_got::add_local_tls_with_rela): Removed.
10326         * output.h (Output_data_got::add_global): Added got_type parameter.
10327         (Output_data_got::add_global_with_rel): Likewise.
10328         (Output_data_got::add_global_with_rela): Likewise.
10329         (Output_data_got::add_global_pair_with_rel): New function.
10330         (Output_data_got::add_global_pair_with_rela): New function.
10331         (Output_data_got::add_local): Added got_type parameter.
10332         (Output_data_got::add_local_with_rel): Likewise.
10333         (Output_data_got::add_local_with_rela): Likewise.
10334         (Output_data_got::add_local_pair_with_rel): New function.
10335         (Output_data_got::add_local_pair_with_rela): New function.
10336         (Output_data_got::add_global_tls): Removed.
10337         (Output_data_got::add_global_tls_with_rel): Removed.
10338         (Output_data_got::add_global_tls_with_rela): Removed.
10339         (Output_data_got::add_local_tls): Removed.
10340         (Output_data_got::add_local_tls_with_rel): Removed.
10341         (Output_data_got::add_local_tls_with_rela): Removed.
10342         * resolve.cc (Symbol::override_base_with_special): Removed
10343         reference to has_got_offset_ field.
10344         * symtab.cc (Symbol::init_fields): Replaced initialization
10345         of got_offset_ with got_offsets_.  Removed initialization
10346         of has_got_offset_
10347         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
10348         (Symbol::got_offset): Likewise.
10349         (Symbol::set_got_offset): Likewise.
10350         (Symbol::has_tls_got_offset): Removed.
10351         (Symbol::tls_got_offset): Removed.
10352         (Symbol::set_tls_got_offset): Removed.
10353         (Symbol::got_offset_): Removed.
10354         (Symbol::tls_mod_got_offset_): Removed.
10355         (Symbol::tls_pair_got_offset_): Removed.
10356         (Symbol::got_offsets_): New field.
10357         (Symbol::has_got_offset): Removed.
10358         (Symbol::has_tls_mod_got_offset): Removed.
10359         (Symbol::has_tls_pair_got_offset): Removed.
10360         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
10361         (Target_x86_64::Scan::local): Updated callers of Output_data_got
10362         member functions.
10363         (Target_x86_64::Scan::global): Likewise.
10364         (Target_x86_64::Relocate::relocate): Likewise.
10365         (Target_x86_64::Relocate::relocate_tls): Likewise.
10366
10367 2008-03-25  Ben Elliston  <bje@au.ibm.com>
10368
10369         * yyscript.y: Fix spelling error in comment.
10370
10371 2008-03-24  Ian Lance Taylor  <iant@google.com>
10372
10373         * options.h (class General_options): Define build_id option.
10374         * layout.h (class Layout): Declare write_build_id, create_note,
10375         create_build_id.  Add build_id_note_ member.
10376         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
10377         "libiberty.h", "md5.h", "sha1.h".
10378         (Layout::Layout): Initialize eh_frame_data_,
10379         eh_frame_hdr_section_, and build_id_note_.
10380         (Layout::finalize): Call create_build_id.
10381         (Layout::create_note): New function, broken out of
10382         Layout::create_gold_note.
10383         (Layout::create_gold_note): Call create_note.
10384         (Layout::create_build_id): New function.
10385         (Layout::write_build_id): New function.
10386         (Close_task_runner::run): Call write_build_id.
10387
10388         * x86_64.cc: Correct license to GPLv3.
10389
10390 2008-03-23  Ian Lance Taylor  <iant@google.com>
10391
10392         * options.cc: Include "demangle.h".
10393         (parse_optional_string): New function.
10394         (parse_long_option): Handle takes_optional_argument.
10395         (parse_short_option): Update dash_z initializer.  Handle
10396         takes_optional_argument.
10397         (General_options::General_options): Initialize do_demangle_.
10398         (General_options::finalize): Set do_demangle_.  Handle demangling
10399         style.
10400         * options.h (parse_optional_string): Declare.
10401         (struct One_option): Add optional_arg field.  Update constructor.
10402         Update call constructor calls.  Add takes_optional_argument
10403         function.
10404         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
10405         (DEFINE_optional_string): Define.
10406         (General_options::demangle): Change from DEFINE_bool to
10407         DEFINE_optional_string.
10408         (General_options::no_demangle): New function.
10409         (General_options::do_demangle): New function.
10410         (General_options::set_do_demangle): New function.
10411         (General_options::execstack_status_): Move definition to end of
10412         class definition.
10413         (General_options::static_): Likewise.
10414         (General_options::do_demangle_): New field.
10415         * object.cc (big_endian>::get_symbol_location_info): Call
10416         Options::do_demangle, not Options::demangle.
10417         * symtab.cc (demangle): Likewise.
10418
10419 2008-03-22  Ian Lance Taylor  <iant@google.com>
10420
10421         * gold.h: Include <cstddef> and <sys/types.h>
10422         * options.h: Include <cstring>.
10423
10424 2008-03-21  Ian Lance Taylor  <iant@google.com>
10425
10426         * Added source code to GNU binutils.