gold/ChangeLog

   1 2012-09-25  Alan Modra  <amodra@gmail.com>
   2
   3         * object.h (Sized_relobj_file::adjust_local_symbol,
   4         do_adjust_local_symbol): New functions.
   5         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
   6         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
   7         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
   8         and irregular opd entry spacing.
   9         (Powerpc_relobj::do_read_relocs): Add opd size checks.
  10         (Global_symbol_visitor_opd): New functor.
  11         (Target_powerpc::do_finalize_sections): Omit global symbols defined
  12         on deleted opd entries.
  13
  14 2012-09-15  Jiong Wang  <jiwang@tilera.com>
  15
  16         * tilegx.cc: New file.
  17         * Makefile.am (TARGETSOURCES): Add tilegx.cc
  18         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
  19         * configure.tgt: Add entries for tilegx*.
  20         * configure.ac: Likewise.
  21         * Makefile.in: Rebuild.
  22         * configure: Likewise.
  23         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
  24         tilegx.
  25
  26 2012-09-13  Alan Modra  <amodra@gmail.com>
  27
  28         * target-reloc.h (scan_relocs): Call scan.local for relocs
  29         against symbols in discarded sections.  Pass is_discarded
  30         param.
  31         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
  32         Add is_discarded param.
  33         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
  34         is_discarded to flag opd entry as discarded.  Don't emit dyn
  35         relocs on such entries.
  36         (Target_powerpc::Scan::global): Similarly detect and handle
  37         such opd entries.
  38         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
  39         opd_ent_.  Update all uses.
  40         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
  41         (Target_powerpc::relocate_section): Zero out discarded opd
  42         entry relocs.
  43
  44 2012-09-12  Ian Lance Taylor  <iant@google.com>
  45
  46         PR gold/14570
  47         * output.cc: Rename Output_data_got template parameter from size
  48         to got_size for all functions.  Compile all variants of
  49         Output_data_got.
  50         (Output_data_got::Got_entry::write): Correct use of size for
  51         symbol value.  Use local_is_tls rather than casting to
  52         Sized_relobj_file.
  53         * object.h (class Object): Add local_is_tls and do_local_is_tls.
  54         (class Sized_relobj_file): Add do_local_is_tls.
  55         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
  56
  57 2012-09-11  Alan Modra  <amodra@gmail.com>
  58
  59         PR gold/14566
  60         * layout.cc (Layout::set_segment_offsets): When using
  61         common-page-size alignment, ensure we are on a new max-page-size
  62         page.
  63         * output.cc (Output_segment::set_section_addresses): Use
  64         abi_pagesize, not common_pagesize for relro boundary.
  65         (Output_segment::set_offset): Likewise.
  66
  67 2012-09-11  Alan Modra  <amodra@gmail.com>
  68
  69         * output.h (Output_data_got::add_global_tls, add_local_tls,
  70         add_local_tls_pair): New functions.
  71         (Output_data_got::add_local_pair_with_rel): Remove second
  72         reloc param.  Expand comment.
  73         (Output_data_got::Got_entry): Rename use_plt_offset_ to
  74         use_plt_or_tls_offset_, similarly for constructor param.
  75         (Output_data_got::Got_entry::write): Add got_index param.
  76         * output.cc (Output_data_got::add_global_tls, add_local_tls,
  77         add_local_tls_pair): New functions.
  78         (Output_data_got::Got_entry::write): Handle tls symbols
  79         with use_plt_or_tls_offset_ set specially.
  80         (Output_data_got::add_local_pair_with_rel): Only one reloc.
  81         (Output_data_got::do_write): Replace iterator with index, pass
  82         index to entry write function.
  83         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
  84         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
  85         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
  86         call.
  87         * i386.cc (Target_i386::Scan::local): Likewise.
  88         * sparc.cc (Target_sparc::Scan::local): Likewise.
  89         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
  90         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
  91         do_tls_offset_for_global): New functions.
  92         (Target_powerpc::Scan::local): Correct TLS relocations and got
  93         entry values.
  94         (Target_powerpc::Scan::global): Don't emit unnecessary
  95         dynamic relocations on TLS GOT entries.
  96
  97 2012-09-10  Matthias Klose  <doko@ubuntu.com>
  98
  99         * config.in: Disable sanity check for kfreebsd.
 100
 101 2012-09-10  Sterling Augustine  <saugustine@google.com>
 102
 103         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
 104         (Gdb_index::pubtypes_read): New parameter.
 105         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
 106         to calls.
 107         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
 108         pubtypes_object_.
 109
 110 2012-09-09  Alan Modra  <amodra@gmail.com>
 111
 112         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
 113         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
 114         * gc.h (gc_process_relocs): Call target gc_add_reference.
 115         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
 116         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
 117         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
 118         unnecessary cast.
 119         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
 120         to cater for when we don't need code offset.  Update use.
 121         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
 122         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
 123         set_opd_valid): New functions.
 124         (Target_powerpc::do_gc_add_reference): New function.
 125         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
 126         stashed refs.
 127         (Target_powerpc::do_gc_mark_symbol): New function.
 128
 129 2012-09-06  Cary Coutant  <ccoutant@google.com>
 130
 131         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
 132         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
 133         (Dwarf_die::skip_attributes): Likewise.
 134         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
 135         * testsuite/gdb_index_test.cc (inline_func_1): New function.
 136         (main): Call it.
 137         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
 138
 139 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
 140
 141         * testsuite/script_test_3.t: Add .got.plt output section
 142         statement.
 143         * testsuite/script_test_4.t: Likewise.
 144
 145 2012-09-05  Alan Modra  <amodra@gmail.com>
 146
 147         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
 148         update all uses and lose "enum" when using type.
 149
 150 2012-09-05  Alan Modra  <amodra@gmail.com>
 151
 152         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
 153         * configure: Regenerate.
 154         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
 155         (plugin_final_layout.stdout): Likewise.
 156         (memory_test): Set page sizes to 0x1000.
 157         * testsuite/Makefile.in: Regenerate.
 158         * testsuite/discard_locals_test.sh: Add FIXME comment.
 159         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
 160         * testsuite/pr14265.t: Add .got output section statement.
 161         * testsuite/script_test_2.t: Likewise.
 162         * testsuite/script_test_3.t: Likewise.
 163         * testsuite/script_test_4.t: Likewise.
 164         * testsuite/script_test_5.t: Likewise.
 165         * testsuite/script_test_6.t: Likewise.
 166         * testsuite/script_test_7.t: Likewise.
 167         * testsuite/script_test_9.t: Likewise.
 168
 169 2012-09-05  Alan Modra  <amodra@gmail.com>
 170
 171         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
 172         (Powerpc_relocate_functions::Status): New typedef.
 173         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 174         (Target_powerpc::Scan::local): Handle REL64.
 175         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
 176         for REL32 and REL64.
 177         (Target_powerpc::symval_for_branch): New function, extracted from..
 178         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
 179         checks.  Report overflow errors.
 180
 181 2012-09-05  Alan Modra  <amodra@gmail.com>
 182
 183         * object.h (Sized_relobj_file::emit_relocs): Delete.
 184         (Sized_relobj_file::emit_relocs_reltype): Delete.
 185         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
 186         relocate_relocs for --emit-relocs.
 187         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
 188         * output.h: Update comment.
 189         (Output_segment::first_section): New function.
 190         (Output_segment::first_section_load_address): Use first_section.
 191         * output.cc (Output_segment::first_section): New function extracted..
 192         (Output_segment::first_section_load_address): ..from here.  Delete.
 193         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
 194         * target.h (Sized_target::relocate_for_relocatable): Likewise.
 195         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
 196         adjust call to target.h function.
 197         * i386.cc (Target_i386): Likewise.
 198         * sparc.cc (Target_sparc): Likewise.
 199         * x86_64.cc (Target_x86_64): Likewise.
 200         * powerpc.cc (Target_powerpc): Likewise.
 201         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
 202         first tls section has section symbol for optimised local dynamic
 203         output relocs.
 204         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
 205         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
 206         optimised tls code.
 207         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
 208         Rename to relocate_relocs.  Update error message.
 209
 210 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
 211
 212         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
 213         --just-symbols.
 214
 215 2012-08-31  Alan Modra  <amodra@gmail.com>
 216
 217         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
 218         (Powerpc_relobj::toc_base_offset): New stub function.
 219         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
 220         got_mod_index_offset to tlsld_got_offset.  Update all refs.
 221         (Target_powerpc::Relocate::enum skip_tls): New.
 222         (Target_powerpc::call_tls_get_addr_): New var.
 223         (Target_powerpc::is_branch_reloc): Move to file scope.
 224         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
 225         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
 226         New functions.
 227         (Target_powerpc::enum Got_type): Delete old values, add new ones.
 228         (powerpc_info): Correct common_pagesize for ppc64.
 229         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
 230         (Powerpc_relocate_functions): Add overflow check enums and functions.
 231         Add non-shift version of rela, rela_ua.  Delete all rel public
 232         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
 233         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
 234         addr16_ha3, addr14 functions.
 235         (Output_data_got_powerpc::add_constant_pair): New function.
 236         (Output_data_got_powerpc::got_base_offset): Likewise.
 237         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
 238         (instruction constants): Sort, add some more.
 239         (Output_data_glink::do_write): Add and use Address typedef.  Use
 240         object->toc_base_offset() stub for 64-bit.
 241         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
 242         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 243         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
 244         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
 245         Always treat .opd relocs as against locally defined symbol.
 246         Correct condition for RELATIVE relocs.
 247         (Target_powerpc::do_finalize_sections): Test for NULL sections.
 248         (Target_powerpc::Relocate::relocate): Use plt call stub as value
 249         for 32-bit syms with a plt entry.  Correct ppc64 toc base
 250         calculations.  Handle TLS relocs, and more.  Add overflow
 251         checking and adjust for Powerpc_relocate_functions changes.
 252         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
 253         Reinstate --emit-relocs code with FIXME.
 254
 255 2012-08-30  Alan Modra  <amodra@gmail.com>
 256
 257         * layout.cc (Layout::set_segment_offsets): Set p_align to
 258         abi_pagesize, not common_pagesize.
 259         (Layout::relaxation_loop_body): Similarly use abi_pagesize
 260         to determine whether file header can go in segment.
 261
 262 2012-08-30  Alan Modra  <amodra@gmail.com>
 263
 264         * output.h (Output_reloc::Output_reloc <output section>): Add
 265         is_relative param.  Adjust calls.
 266         (Output_reloc::add_output_section_relative): New functions.
 267         * output.cc (Output_reloc::Output_reloc <output section>): Handle
 268         is_relative.
 269         (Output_reloc::symbol_value): Handle SECTION_CODE.
 270
 271 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
 272
 273         * gold.cc (queue_middle_tasks): Call layout again when unique
 274         segments for sections is desired.
 275         * layout.cc (Layout::Layout): Initialize new members.
 276         (Layout::get_output_section_flags): New function.
 277         (Layout::choose_output_section): Call get_output_section_flags.
 278         (Layout::layout): Make output section for mapping to a unique segment.
 279         (Layout::insert_section_segment_map): New function.
 280         (Layout::attach_allocated_section_to_segment): Make unique segment for
 281         output sections marked so.
 282         (Layout::segment_precedes): Check for unique segments when sorting.
 283         * layout.h (Layout::Unique_segment_info): New struct.
 284         (Layout::Section_segment_map): New typedef.
 285         (Layout::insert_section_segment_map): New function.
 286         (Layout::get_output_section_flags): New function.
 287         (Layout::is_unique_segment_for_sections_specified): New function.
 288         (Layout::set_unique_segment_for_sections_specified): New function.
 289         (Layout::unique_segment_for_sections_specified_): New member.
 290         (Layout::section_segment_map_): New member.
 291         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
 292         Rename is_gc_pass_one to is_pass_one.
 293         Rename is_gc_pass_two to is_pass_two.
 294         Rename is_gc_or_icf to is_two_pass.
 295         Check for which pass based on whether symbols data is present.
 296         Make it two pass when unique segments for sections is desired.
 297         * output.cc (Output_section::Output_section): Initialize new
 298         members.
 299         * output.h (Output_section::is_unique_segment): New function.
 300         (Output_section::set_is_unique_segment): New function.
 301         (Output_section::is_unique_segment_): New member.
 302         (Output_section::extra_segment_flags): New function.
 303         (Output_section::set_extra_segment_flags): New function.
 304         (Output_section::extra_segment_flags_): New member.
 305         (Output_section::segment_alignment): New function.
 306         (Output_section::set_segment_alignment): New function.
 307         (Output_section::segment_alignment_): New member.
 308         (Output_segment::Output_segment): Initialize is_unique_segment_.
 309         (Output_segment::is_unique_segment): New function.
 310         (Output_segment::set_is_unique_segment): New function.
 311         (Output_segment::is_unique_segment_): New member.
 312         * plugin.cc (allow_unique_segment_for_sections): New function.
 313         (unique_segment_for_sections): New function.
 314         (Plugin::load): Add new functions to transfer vector.
 315         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
 316         * Makefile.in: Regenerate.
 317         * testsuite/plugin_final_layout.sh: Check if unique segment
 318         functionality works.
 319         * testsuite/plugin_section_order.c (onload): Check if new interfaces
 320         are available.
 321         (allow_unique_segment_for_sections): New global.
 322         (unique_segment_for_sections): New global.
 323         (claim_file_hook): Call allow_unique_segment_for_sections.
 324         (all_symbols_read_hook): Call unique_segment_for_sections.
 325
 326 2012-08-22  Cary Coutant  <ccoutant@google.com>
 327
 328         * layout.cc (Layout::include_section): Don't assert on GROUP
 329         sections with --emit-relocs.
 330
 331 2012-08-21  Cary Coutant  <ccoutant@google.com>
 332
 333         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
 334         if --export-dynamic-symbol names an undef symbol.
 335
 336 2012-08-18  Alan Modra  <amodra@gmail.com>
 337
 338         * powerpc.cc: Formatting and white space.
 339         (Powerpc_relobj): Rename got2_section_ to special_.
 340         Add opd_ent_shndx_ and opd_ent_off_ vectors.
 341         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
 342         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
 343         (Target_powerpc): Add Address typedef and invalid_address.  Use
 344         throughout.
 345         (Target_powerpc::is_branch_reloc): New function.
 346         (Powerpc_relocate_functions): Add Address typedef, use throughout.
 347         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
 348         for dst_mask, value and addend.
 349         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
 350         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
 351         (Output_data_glink::do_write): Correct toc base.  Don't try to use
 352         uint16_t for 24-bit offset.  Use get_output_section_offset and
 353         check return.
 354         (Target_powerpc::Scan::local): Handle more relocs.
 355         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
 356         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
 357         Plug in toc restoring insn after plt calls.  Translate branches
 358         to function descriptor symbols to corresponding entry point.
 359         (Target_powerpc::relocate_for_relocatable): Check return from
 360         get_output_section_offset.
 361         * symtab.h: Comment typo.
 362
 363 2012-08-14  Ian Lance Taylor  <iant@google.com>
 364
 365         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
 366         unsupported_relocal_local to call unsupported_reloc_global.
 367
 368 2012-08-14  Nick Clifton  <nickc@redhat.com>
 369
 370         PR ld/14265
 371         * script-sections.cc (Sections_element::output_section_name): Add
 372         keep return parameter.
 373         (Output_section_element::match_name): Add keep return parameter.
 374         Return the value of the keep_ member.
 375         * script-sections.h (class Output_section): Update
 376         output_section_name prototype.
 377         * layout.cc (Layout::keep_input_section): New public member
 378         function.
 379         (Layout::choose_output_section): Pass keep parameter to
 380         output_section_name.
 381         * layout.h (class Layout): Add keep_input_section.
 382         * object.cc (Sized_relobj_file::do_layout): Check for kept input
 383         sections.
 384         * testsuite/Makefile.am: Add a test.
 385         * testsuite/Makefile.in: Regenerate.
 386         * testsuite/pr14265.c: Source file for the test.
 387         * testsuite/pr14265.t: Linker script for the test.
 388         * testsuite/pr14265.sh: Shell script for the test.
 389
 390 2012-08-14  Alan Modra  <amodra@gmail.com>
 391
 392         * target.h (Target::output_section_name): New function.
 393         (Target::do_output_section_name): New function.
 394         * layout.cc (Layout::choose_output_section): Call the above.
 395         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
 396
 397 2012-08-14  Alan Modra  <amodra@gmail.com>
 398
 399         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
 400         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
 401         for replace_constant call.
 402         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
 403         (Output_data_glink::do_print_to_mapfile): New function.
 404         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
 405         (Target_powerpc::Relocate::relocate): Likewise.
 406
 407 2012-08-14  Alan Modra  <amodra@gmail.com>
 408
 409         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
 410         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
 411         (Output_data_glink::add_entry,find_entry): Remove shndx param.
 412         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
 413         all references to shndx_.  Handle special case for R_PPC_PLTREL24
 414         here.
 415         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
 416         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
 417         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
 418         here.
 419         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
 420         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
 421
 422 2012-08-12  Alan Modra  <amodra@gmail.com>
 423
 424         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
 425         (glink insn constants): Use uint32_t.
 426         (Output_data_glink::add_entry): Use insert, not [] operator.
 427
 428 2012-08-11  Alan Modra  <amodra@gmail.com>
 429
 430         * object.h (Sized_relobj_file::find_shdr): New function.
 431         (Sized_relobj_file::find_special_sections): New function.
 432         * object.cc (Sized_relobj_file::find_shdr): New function.
 433         (Sized_relobj_file::find_eh_frame): Use find_shdr.
 434         (Sized_relobj_file::find_special_sections): New function, split out..
 435         (Sized_relobj_file::do_read_symbols): ..from here.
 436         * output.h (Output_data_got::replace_constant): New function.
 437         (Output_data_got::num_entries): New function.
 438         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
 439         (Output_data_got::got_offset): Protected rather than private.
 440         (Output_data_got::replace_got_entry): New function.
 441         * output.cc (Output_data_got::replace_got_entry): New function.
 442         * powerpc.cc (class Powerpc_relobj): New.
 443         (class Powerpc_relocate_functions): Delete all psymval variants or
 444         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
 445         Implement _ha functions using corresponding _hi function.
 446         (Powerpc_relobj::find_special_sections): New function.
 447         (Target_powerpc::do_make_elf_object): New function.
 448         (class Output_data_got_powerpc): New.
 449         (class Output_data_glink): New.
 450         (class Powerpc_scan_relocatable_reloc): New.
 451         Many more changes througout file.
 452
 453 2012-08-09  Nick Clifton  <nickc@redhat.com>
 454
 455         * po/vi.po: Updated Vietnamese translation.
 456
 457 2012-08-07  Ian Lance Taylor  <iant@google.com>
 458
 459         * layout.cc (Layout::add_target_dynamic_tags): If
 460         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
 461         plt_rel.
 462
 463 2012-07-30  Nick Clifton  <nickc@redhat.com>
 464
 465         * po/gold.pot: Updated template.
 466         * po/es.po: Updated Spanish translation.
 467
 468 2012-07-18  Cary Coutant  <ccoutant@google.com>
 469
 470         PR gold/14344
 471         * configure.ac: Add check for -gpubnames support.
 472         * configure: Regenerate.
 473         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
 474         support; force -gno-pubnames.
 475         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
 476         support.
 477         (gdb_index_test_4): New test.
 478         * testsuite/Makefile.in: Regenerate.
 479         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
 480         * testsuite/gdb_index_test_2.sh: Likewise.
 481         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
 482         * testsuite/gdb_index_test_4.sh: New script.
 483         * testsuite/gdb_index_test_comm.sh: New script with common code;
 484         don't look for space after colon.
 485
 486 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
 487
 488         * gold.cc (queue_middle_tasks): Update function order only after
 489         deferred objects due to plugins are processed.
 490
 491 2012-07-11  Ian Lance Taylor  <iant@google.com>
 492
 493         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
 494         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
 495         (Target_arm::scan_reloc_for_stub): Likewise.
 496         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
 497         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
 498         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
 499         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
 500         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
 501
 502 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
 503             Ian Lance Taylor  <iant@google.com>
 504
 505         PR gold/14309
 506         * configure.ac: Test whether std::tr1::hash<off_t> works.
 507         * gold.h: Add a specialization for std::tr1::hash<off_t> if
 508         needed.
 509         * output.h (class Output_fill): Add virtual destructor.
 510         * configure, config.in: Rebuild.
 511
 512 2012-06-22  Roland McGrath  <mcgrathr@google.com>
 513
 514         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
 515
 516 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
 517
 518         * plugin.cc (Plugin::load): Handle position independent executables.
 519
 520 2012-06-06  Cary Coutant  <ccoutant@google.com>
 521
 522         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
 523         add .debug_macro.
 524         (lines_only_debug_sections): Likewise.
 525         (gdb_fast_lookup_sections): New static array.
 526         (is_gdb_debug_section): Rename formal parameter.
 527         (is_lines_only_debug_section): Likewise.
 528         (is_gdb_fast_lookup_section): New function.
 529         (Layout::include_section): Check for ".zdebug_" prefix; pass
 530         section name suffix to is_gdb_debug_section, et al.; check for
 531         fast-lookup sections when building .gdb_index.
 532         * options.h (--strip-debug-gdb): Update GDB version number.
 533
 534 2012-06-06  Cary Coutant  <ccoutant@google.com>
 535
 536         * configure.ac: Add check for fallocate.
 537         * configure: Regenerate.
 538         * config.in: Regenerate.
 539
 540         * options.h (class General_options): Add --mmap-output-file and
 541         --posix-fallocate options.
 542         * output.cc: (posix_fallocate): Remove; replace with...
 543         (gold_fallocate): New function.
 544         (Output_file::map_no_anonymous): Call gold_fallocate.
 545         (Output_file::map): Check --mmap-output-file option.
 546
 547 2012-06-05  Jing Yu  <jingyu@google.com>
 548
 549         * gold.h (textdomain): Add do {} to empty while(0).
 550         (bindtextdomain): Likewise.
 551
 552 2012-06-04  Cary Coutant  <ccoutant@google.com>
 553
 554         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
 555         has_dynsym_index.
 556
 557 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
 558
 559         * symtab.cc (Symbol_table::define_special_symbol):
 560         Initialize *poldsym to prevent uninitialized variable errors.
 561
 562 2012-05-23  Cary Coutant  <ccoutant@google.com>
 563
 564         * layout.cc (Layout::section_name_mapping): Add rules to handle
 565         exact match on .data.rel.ro.local or .data.rel.ro.
 566         (Layout::output_section_name): Check for exact matches.
 567
 568 2012-05-23  Cary Coutant  <ccoutant@google.com>
 569
 570         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
 571         more carefully.
 572
 573 2012-05-22  Cary Coutant  <ccoutant@google.com>
 574
 575         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
 576         object before exporting symbol.
 577
 578 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 579
 580         * testsuite/tls_test.cc: Include "config.h" first.
 581         * testsuite/tls_test_c.c: Likewise.
 582
 583 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
 584             Nick Clifton  <nickc@redhat.com>
 585
 586         PR 14072
 587         * configure.in: Add check that sysdep.h has been included before
 588         any system header files.
 589         * configure: Regenerate.
 590         * config.in: Regenerate.
 591
 592 2012-05-14  Cary Coutant  <ccoutant@google.com>
 593
 594         * layout.cc (Layout::make_output_section): Mark .tdata section
 595         as RELRO.
 596         * testsuite/relro_test.cc: Add a TLS variable.
 597
 598 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 599
 600         PR gold/14091
 601         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
 602         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
 603         R_X86_64_64.
 604
 605 2012-05-08  Cary Coutant  <ccoutant@google.com>
 606
 607         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
 608         (lines_only_debug_sections): Likewise.
 609
 610 2012-05-02  Roland McGrath  <mcgrathr@google.com>
 611
 612         * nacl.cc: New file.
 613         * nacl.h: New file.
 614         * Makefile.am (CCFILES, HFILES): Add them.
 615         * Makefile.in: Regenerate.
 616         * i386.cc (Output_data_plt_i386_nacl): New class.
 617         (Output_data_plt_i386_nacl_exec): New class.
 618         (Output_data_plt_i386_nacl_dyn): New class.
 619         (Target_i386_nacl): New class.
 620         (Target_selector_i386_nacl): New class.
 621         (target_selector_i386): Use it instead of Target_selector_i386.
 622         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
 623         (Target_x86_64_nacl): New class.
 624         (Target_selector_x86_64_nacl): New class.
 625         (target_selector_x86_64, target_selector_x32): Use it instead of
 626         Target_selector_x86_64.
 627         * arm.cc (Output_data_plt_arm_nacl): New class.
 628         (Target_arm_nacl): New class.
 629         (Target_selector_arm_nacl): New class.
 630         (target_selector_arm, target_selector_armbe): Use it instead of
 631         Target_selector_arm.
 632
 633         * target-select.cc (select_target): Take new Input_file* and off_t
 634         arguments, pass them on to recognize method of selector.
 635         * object.cc (make_elf_sized_object): Update caller.
 636         * parameters.cc (parameters_force_valid_target): Likewise.
 637         * incremental.cc (make_sized_incremental_binary): Likewise.
 638         * target-select.h: Update decl.
 639         (Target_selector::recognize): Take new Input_file* argument,
 640         pass it on to do_recognize.
 641         (Target_selector::do_recognize): Take new Input_file* argument.
 642         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
 643         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
 644         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
 645         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
 646
 647         * target.h (Target::Target_info): New members isolate_execinstr
 648         and rosegment_gap.
 649         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
 650         * arm.cc (Target_arm::arm_info): Update initializer.
 651         * i386.cc (Target_i386::i386_info): Likewise.
 652         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
 653         * sparc.cc (Target_sparc::sparc_info): Likewise.
 654         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 655         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 656         * layout.cc (Layout::attach_allocated_section_to_segment):
 657         Take new const Target* argument.  If target->isolate_execinstr(), act
 658         like --rosegment.
 659         (Layout::find_first_load_seg): Take new const Target* argument;
 660         if target->isolate_execinstr(), reject PF_X segments.
 661         (Layout::relaxation_loop_body): Update caller.
 662         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 663         reset file offset to zero when we hit LOAD_SEG, and then do a second
 664         loop over the segments before LOAD_SEG to reassign offsets after
 665         addresses have been determined.  Handle target->rosegment_gap().
 666         (Layout::attach_section_to_segment): Take new const Target* argument;
 667         pass it to attach_allocated_section_to_segment.
 668         (Layout::make_output_section): Update caller.
 669         (Layout::attach_sections_to_segments): Take new const Target* argument;
 670         pass it to attach_section_to_segment.
 671         * gold.cc (queue_middle_tasks): Update caller.
 672         * layout.h (Layout): Update method decls with new arguments.
 673
 674         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 675         Target_info pointer to use.
 676         (Target_arm::do_make_data_plt): New virtual method.
 677         (Target_arm::make_data_plt): New method that calls it.
 678         (Target_arm::make_plt_entry): Use it.
 679         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 680         for the section alignment.
 681         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 682         method.
 683         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 684         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 685         method.
 686         (Output_data_plt_arm::get_plt_entry_size): Call it.
 687         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 688         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 689         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 690         method.
 691         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 692         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 693         method instead of sizeof(plt_entry).
 694         (Output_data_plt_arm::add_entry): Likewise.
 695         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 696         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 697         than static method.
 698         (Target_arm::plt_entry_size): Likewise.
 699         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 700         Move to ...
 701         (Output_data_plt_arm_standard): ... here, new class.
 702         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 703         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 704         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 705
 706         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 707         Take additional argument for the PLT entry size.
 708         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 709         Use get_plt_entry_size method rather than plt_entry_size variable.
 710         (Output_data_plt_x86_64::reserve_slot): Likewise.
 711         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 712         (Output_data_plt_x86_64::add_entry): Likewise.
 713         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 714         (Output_data_plt_x86_64::address_for_global): Likewise.
 715         (Output_data_plt_x86_64::address_for_local): Likewise.
 716         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 717         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 718         Make method non-static.
 719         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 720         method.
 721         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 722         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 723         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 724         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 725         virtual method.
 726         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 727         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 728         virtual method.
 729         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 730         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 731         virtual method.
 732         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 733         (Output_data_plt_x86_64::plt_entry_size)
 734         (Output_data_plt_x86_64::first_plt_entry)
 735         (Output_data_plt_x86_64::plt_entry)
 736         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 737         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 738         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 739         (Output_data_plt_x86_64_standard): ... here, new class.
 740         (Target_x86_64::Target_x86_64): Take optional argument for the
 741         Target_info pointer to use.
 742         (Target_x86_64::do_make_data_plt): New virtual method.
 743         (Target_x86_64::make_data_plt): New method to call it.
 744         (Target_x86_64::init_got_plt_for_update): Use that.
 745         Call this->plt_->add_eh_frame method here.
 746         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 747         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 748         rather than static method.
 749         (Target_x86_64::plt_entry_size): Likewise.
 750         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 751         rather than plt_entry_size variable.  Move guts of PLT filling to...
 752         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 753         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 754         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 755
 756         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 757         additional argument for the section alignment.
 758         Don't do add_eh_frame_for_plt here.
 759         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 760         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 761         variable.
 762         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 763         method.
 764         (Output_data_plt_i386::get_plt_entry_size): Call it.
 765         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 766         (Output_data_plt_i386::add_eh_frame): New method to call it.
 767         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 768         method.
 769         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 770         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 771         method.
 772         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 773         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 774         method instead of plt_entry_size.
 775         (Output_data_plt_i386::plt_entry_size)
 776         (Output_data_plt_i386::plt_eh_frame_fde_size)
 777         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 778         (Output_data_plt_i386_standard): ... here, new class.
 779         (Output_data_plt_i386_exec): New class.
 780         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 781         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 782         (Output_data_plt_i386::exec_plt_entry): Move to ...
 783         (Output_data_plt_i386_exec::plt_entry): ... here.
 784         (Output_data_plt_i386_dyn): New class.
 785         (Output_data_plt_i386::first_plt_entry): Move to ...
 786         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 787         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 788         (Output_data_plt_i386_dyn::plt_entry): ... here.
 789         (Target_i386::Target_i386): Take optional argument for the Target_info
 790         pointer to use.
 791         (Target_i386::do_make_data_plt): New virtual method.
 792         (Target_i386::make_data_plt): New method to call it.
 793         (Target_i386::make_plt_section): Use that.
 794         Call this->plt_->add_eh_frame method here.
 795         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 796         rather than plt_entry_size variable.
 797         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 798         (Output_data_plt_i386::address_for_local): Likewise.
 799         (Output_data_plt_i386::do_write): Likewise.
 800         Move guts of PLT filling to...
 801         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 802         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 803         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 804         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 805
 806 2012-05-01  Cary Coutant  <ccoutant@google.com>
 807
 808         * dwarf_reader.cc (Dwarf_die::read_attributes)
 809         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 810         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 811         * reduced_debug_output.cc
 812         (Output_reduced_debug_info_section::get_die_end): Remove
 813         DW_FORM_GNU_ref_index.  Add default case.
 814
 815 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 816
 817         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 818         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 819         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 820         DW_AT_high_pc as offset from DW_AT_low_pc.
 821
 822         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 823         * testsuite/Makefile.in: Regenerate.
 824         * testsuite/gdb_index_test_3.c: New test source file.
 825         * testsuite/gdb_index_test_3.sh: New test source file.
 826
 827 2012-04-25  Ian Lance Taylor  <iant@google.com>
 828
 829         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 830         pointer.
 831         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 832         as a class, not a struct.
 833         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 834         (Target_arm::apply_cortex_a8_workaround): Likewise.
 835         * gc.h: Declare Reloc_types as a struct, not a class.
 836         * object.h: Declare Symbols_data as a struct.
 837         * reloc.h: Declare Read_relocs_data as a struct.
 838         * target.h: Declare Relocate_info as a struct.
 839
 840 2012-04-24  David S. Miller  <davem@davemloft.net>
 841
 842         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 843         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 844         and R_SPARC_WPLT30.
 845
 846 2012-04-24  Cary Coutant  <ccoutant@google.com>
 847
 848         * incremental-dump.cc (find_input_containing_global): Replace
 849         magic number with symbolic constant.
 850         (dump_incremental_inputs): Update version number.
 851         * incremental.cc (Output_section_incremental_inputs): Update version
 852         number; import symbolic constants from Incremental_inputs_reader.
 853         (Incremental_inputs::create_data_sections): Align relocations
 854         section correctly for 64-bit targets.
 855         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 856         constants; add padding.
 857         (Output_section_incremental_inputs::write_header): Add assert for
 858         header_size.
 859         (Output_section_incremental_inputs::write_input_files): Add assert
 860         for input_entry_size.
 861         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 862         add assert for object_info_size, input_section_entry_size,
 863         global_sym_entry_size.
 864         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 865         for data structure sizes; use them.
 866         (Incremental_input_entry_reader): Import symbolic constants from
 867         Incremental_inputs_reader; use them.
 868
 869 2012-04-23  David S. Miller  <davem@davemloft.net>
 870
 871         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 872         and elf_flags_set_.
 873         (Target_sparc::Target_sparc): Initialize new fields.
 874         (Target_sparc::do_make_elf_object): New function.
 875         (Target_sparc::do_adjust_elf_header): New function.
 876
 877 2012-04-23  Cary Coutant  <ccoutant@google.com>
 878
 879         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 880         CU range table of gdb index.
 881
 882 2012-04-20  David S. Miller  <davem@davemloft.net>
 883
 884         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 885         instead of false.
 886
 887 2012-04-16  David S. Miller  <davem@davemloft.net>
 888
 889         * sparc.cc (Target_sparc::got_address): New function.
 890         (Sparc_relocate_functions::gdop_hix22): New function.
 891         (Sparc_relocate_functions::gdop_lox10): New function.
 892         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 893         relocs.
 894         (Target_sparc::Scan::local): Likewise if the global symbol is not
 895         preemptible and is not IFUNC.
 896         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 897         transformations for local and non-preemptible non-IFUNC global
 898         symbols.
 899
 900         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 901         writing out 64-bit part of ranges.
 902
 903         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 904         -fpic and -fpie respectively.
 905         * Makefile.in: Regenerate.
 906
 907         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 908         (Target_sparc::Target_sparc): Initialize new field.
 909         (Target_sparc::do_plt_section_for_global): New function.
 910         (Target_sparc::do_plt_section_for_local): New function.
 911         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 912         (Target_sparc::make_plt_section): New function, broken out of
 913         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 914         (Target_sparc::make_plt_entry): Call make_plt_section.
 915         (Target_sparc::make_local_ifunc_plt_entry): New function.
 916         (Target_sparc::rela_ifunc_section): New function.
 917         (Target_sparc::plt_section): Remove const.
 918         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 919         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 920         and ifunc_count_ fields.
 921         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 922         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 923         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 924         (Output_data_plt_sparc::rela_ifunc): New function.
 925         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 926         (Output_data_plt_sparc::has_ifunc_section): New function.
 927         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 928         (Output_data_plt_sparc::address_for_global): New function.
 929         (Output_data_plt_sparc::address_for_local): New function.
 930         (Output_data_plt_sparc::plt_index_to_offset): New function.
 931         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 932         and entry_count.
 933         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 934         entry_count.
 935         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 936         R_SPARC_JMP_IREL to switch.
 937         (Target_sparc::Scan::check_non_pic): Likewise.
 938         (Target_sparc::Scan::local): Handle IFUNC symbols.
 939         (Target_sparc::Scan::local): Likewise.
 940         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 941         and plt_address_for_local.
 942         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 943         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 944
 945         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 946         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 947         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 948         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 949         global relocs too.
 950         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 951         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 952         calls.
 953         * sparc.cc (Target_sparc::Scan::global): Likewise.
 954         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 955
 956 2012-04-16  Cary Coutant  <ccoutant@google.com>
 957
 958         * archive.cc (Library_base::should_include_member): Check for
 959         --export-dynamic-symbol.
 960         * options.h (class General_options): Add --export-dynamic-symbol.
 961         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 962         --export-dynamic-symbol.
 963         (Symbol_table::gc_mark_undef_symbols): Likewise.
 964         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 965
 966 2012-04-12  David S. Miller  <davem@davemloft.net>
 967
 968         * sparc.cc (Reloc::wdisp10): New relocation method.
 969         (Reloc::h34): Likewise.
 970         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 971         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 972         R_SPARC_WDISP10.
 973         (Target_sparc::Scan::local): Likewise.
 974         (Target_sparc::Scan::global): Likewise.
 975         (Target_sparc::Relocate::relocate): Likewise.
 976
 977 2012-04-09  Cary Coutant  <ccoutant@google.com>
 978
 979         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 980         low_pc == 0.
 981
 982 2012-04-06  Ian Lance Taylor  <iant@google.com>
 983
 984         * timer.cc: #include <unistd.h>.
 985
 986 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 987
 988         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 989         * config.in: Regenerate.
 990         * configure: Regenerate.
 991
 992 2012-04-05  Nick Clifton  <nickc@redhat.com>
 993
 994         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 995         (AM_LC_MESSAGES): Add.
 996         * aclocal.m4: Regenerate.
 997         * config.in: Regenerate.
 998         * configure: Regenerate.
 999
1000 2012-03-21  Cary Coutant  <ccoutant@google.com>
1001
1002         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1003         * Makefile.in: Regenerate.
1004         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1005         (Sized_elf_reloc_mapper::symbol_section): New function.
1006         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1007         (make_elf_reloc_mapper): New function.
1008         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1009         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1010         (Dwarf_abbrev_table::do_get_abbrev): New function.
1011         (Dwarf_ranges_table::read_ranges_table): New function.
1012         (Dwarf_ranges_table::read_range_list): New function.
1013         (Dwarf_pubnames_table::read_section): New function.
1014         (Dwarf_pubnames_table::read_header): New function.
1015         (Dwarf_pubnames_table::next_name): New function.
1016         (Dwarf_die::Dwarf_die): New function.
1017         (Dwarf_die::read_attributes): New function.
1018         (Dwarf_die::skip_attributes): New function.
1019         (Dwarf_die::set_name): New function.
1020         (Dwarf_die::set_linkage_name): New function.
1021         (Dwarf_die::attribute): New function.
1022         (Dwarf_die::string_attribute): New function.
1023         (Dwarf_die::int_attribute): New function.
1024         (Dwarf_die::uint_attribute): New function.
1025         (Dwarf_die::ref_attribute): New function.
1026         (Dwarf_die::child_offset): New function.
1027         (Dwarf_die::sibling_offset): New function.
1028         (Dwarf_info_reader::check_buffer): New function.
1029         (Dwarf_info_reader::parse): New function.
1030         (Dwarf_info_reader::do_parse): New function.
1031         (Dwarf_info_reader::do_read_string_table): New function.
1032         (Dwarf_info_reader::lookup_reloc): New function.
1033         (Dwarf_info_reader::get_string): New function.
1034         (Dwarf_info_reader::visit_compilation_unit): New function.
1035         (Dwarf_info_reader::visit_type_unit): New function.
1036         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1037         Sized_elf_reloc_mapper.
1038         (Sized_dwarf_line_info::symbol_section): Remove function.
1039         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1040         (Sized_dwarf_line_info::read_line_mappings): Remove object
1041         parameter, adjust callers.
1042         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1043         * dwarf_reader.h: Include <sys/types.h>.
1044         (class Track_relocs): Remove forward declaration.
1045         (class Elf_reloc_mapper): New class.
1046         (class Sized_elf_reloc_mapper): New class.
1047         (class Dwarf_abbrev_table): New class.
1048         (class Dwarf_range_list): New class.
1049         (class Dwarf_ranges_table): New class.
1050         (class Dwarf_pubnames_table): New class.
1051         (class Dwarf_die): New class.
1052         (class Dwarf_info_reader): New class.
1053         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1054         (Sized_dwarf_line_info::symbol_section): Remove member function.
1055         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1056         base class.
1057         * gdb-index.cc: New source file.
1058         * gdb-index.h: New source file.
1059         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1060         and .debug_types sections, call Layout::add_to_gdb_index.
1061         (Sized_relobj_incr::do_section_name): Implement.
1062         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1063         return type; Implement.
1064         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1065         return type.
1066         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1067         parameter list and return type.
1068         (Sized_incr_dynobj::do_section_contents): Likewise.
1069         * layout.cc: Include gdb-index.h.
1070         (Layout::Layout): Initialize gdb_index_data_.
1071         (Layout::init_fixed_output_section): Check for .gdb_index section.
1072         (Layout::add_to_gdb_index): New function. Instantiate.
1073         * layout.h: Add forward declaration for class Gdb_index.
1074         (Layout::add_to_gdb_index): New member function.
1075         (Layout::gdb_index_data_): New data member.
1076         * main.cc: Include gdb-index.h.
1077         (main): Print statistics for gdb index.
1078         * object.cc (Object::section_contents): Move code into
1079         do_section_contents.
1080         (need_decompressed_section): Check for sections needed when building
1081         gdb index.
1082         (build_compressed_section_map): Likewise.
1083         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1084         gdb index.
1085         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1086         sections; call Layout::add_to_gdb_index.
1087         (Sized_relobj_file::do_decompressed_section_contents): Call
1088         do_section_contents directly.
1089         * object.h (Object::do_section_contents): Adjust parameter list and
1090         return type.
1091         (Object::do_decompressed_section_contents): Call do_section_contents
1092         directly.
1093         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1094         return type.
1095         * options.h (class General_options): Add --gdb-index option.
1096         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1097         list and return type.
1098         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1099         * reloc.h (Track_relocs::checkpoint): New function.
1100         (Track_relocs::reset): New function.
1101
1102         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1103         New test cases.
1104         * testsuite/Makefile.in: Regenerate.
1105         * testsuite/gdb_index_test.cc: New test source file.
1106         * testsuite/gdb_index_test_1.sh: New test source file.
1107         * testsuite/gdb_index_test_2.sh: New test source file.
1108
1109 2012-03-19  Doug Kwan  <dougkwan@google.com>
1110
1111         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1112         (Target_arm::do_finalize_sections): Remove code which defines
1113         __exidx_start and __exidx_end.  Make symbol table parameter
1114         anonymous as it is not used.
1115         * gold.cc (queue_middle_tasks): Call target hook to define any
1116         target-specific symbols.
1117         * target.h (Target::define_standard_symbols): New method.
1118         (Target::do_define_standard_symbols): Same.
1119         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1120         * testsuite/Makefile.in: Regenerate.
1121         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1122         and __exidx_end.
1123         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1124         relocations are generated for __exidx_start and __exidx_end.
1125
1126 2012-03-16  Doug Kwan  <dougkwan@google.com>
1127
1128         * testsuite/Makefile.am: Disable test initpri3b.
1129         * testsuite/Makefile.in: Regenerate.
1130
1131 2012-03-15  Doug Kwan  <dougkwan@google.com>
1132
1133         * arm.cc (Target_arm::got_section): Make .got section read-only
1134         if -z now is given.
1135
1136 2012-03-15  Ian Lance Taylor  <iant@google.com>
1137
1138         PR gold/13850
1139         * layout.cc (Layout::make_output_section): Correctly mark
1140         SHT_INIT_ARRAY, et. al., as relro.
1141
1142 2012-03-14  Doug Kwan  <dougkwan@google.com>
1143
1144         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1145         dynamic relocations for protected symbols in shared objects.
1146
1147 2012-03-13  Ian Lance Taylor  <iant@google.com>
1148
1149         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1150         keep the larger alignment.
1151
1152 2012-03-12  Cary Coutant  <ccoutant@google.com>
1153
1154         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1155         handling of DW_LNE_define_file.
1156
1157 2012-03-12  Cary Coutant  <ccoutant@google.com>
1158
1159         * reduced_debug_output.cc
1160         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1161         codes to switch.
1162
1163 2012-02-29  Cary Coutant  <ccoutant@google.com>
1164
1165         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1166
1167 2012-02-29  Cary Coutant  <ccoutant@google.com>
1168
1169         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1170         Call Object::decompressed_section_contents.
1171         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1172         New dtor.
1173         (Sized_dwarf_line_info::buffer_start_): New data member.
1174         * merge.cc (Output_merge_data::do_add_input_section): Call
1175         Object::decompressed_section_contents.
1176         (Output_merge_string::do_add_input_section): Likewise.
1177         * object.cc (need_decompressed_section): New function.
1178         (build_compressed_section_map): Decompress sections needed later.
1179         (Sized_relobj_file::do_decompressed_section_contents): New function.
1180         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1181         * object.h (Object::decompressed_section_contents): New function.
1182         (Object::discard_decompressed_sections): New function.
1183         (Object::do_decompressed_section_contents): New function.
1184         (Object::do_discard_decompressed_sections): New function.
1185         (Compressed_section_info): New type.
1186         (Compressed_section_map): Include decompressed section contents.
1187         (Sized_relobj_file::do_decompressed_section_contents): New function.
1188         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1189
1190 2012-02-16  Cary Coutant  <ccoutant@google.com>
1191
1192         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1193         * testsuite/Makefile.in: Regenerate.
1194
1195 2012-02-14  Cary Coutant  <ccoutant@google.com>
1196
1197         * options.cc (General_options::finalize): Disallow -pie and -static.
1198
1199 2012-02-03  Doug Kwan  <dougkwan@google.com>
1200
1201         * arm.cc (Arm_relocate_functions::abs8,
1202         Arm_relocate_functions::abs16): Use
1203         Bits::has_signed_unsigned_overflow32.
1204         (Arm_relocate_functions::thm_abs8): Correct range of
1205         overflow check.
1206         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1207         in assertions.
1208
1209 2012-02-02  Doug Kwan  <dougkwan@google.com>
1210
1211         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1212         position independent outputs, not just shared objects.
1213
1214 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1215
1216         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1217         * configure: Regenerated.
1218
1219 2012-01-27  Ian Lance Taylor  <iant@google.com>
1220
1221         * reloc.h (Bits): New class with static functions, copied from
1222         namespace utils in arm.cc.
1223         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1224         instead.
1225
1226 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1227
1228         * incremental.cc (write_info_blocks): Correct relocation offset.
1229
1230 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1231
1232         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1233         (Relocate::tls_gd_to_le): Likewise.
1234
1235 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1236
1237         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1238
1239 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1240
1241         * configure.ac: Check if -mcmodel=medium works.
1242         * configure: Regenerated.
1243
1244 2012-01-24  Cary Coutant  <ccoutant@google.com>
1245
1246         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1247         definition and ...
1248         (read_unsigned_LEB_128_x): ... this new function.
1249         (read_signed_LEB_128): Replaced with inline definition and ...
1250         (read_signed_LEB_128_x): ... this new function.
1251         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1252         (read_unsigned_LEB_128): Add inline definition.
1253         (read_signed_LEB_128_x): New function.
1254         (read_signed_LEB_128): Add inline definition.
1255         * testsuite/Makefile.am (leb128_unittest): New unit test.
1256         * testsuite/Makefile.in: Regenerate.
1257         * testsuite/leb128_unittest.cc: New unit test.
1258
1259 2012-01-23  Ian Lance Taylor  <iant@google.com>
1260
1261         PR gold/13617
1262         * i386.cc (Target_i386::do_code_fill): When using a jmp
1263         instruction, pad with nop instructions.
1264         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1265
1266 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1267
1268         * x86_64.cc (gc_process_relocs): Add typename on types used in
1269         template.
1270         (scan_relocs): Likewise.
1271         (relocate_section): Likewise.
1272         (apply_relocation): Likewise.
1273
1274 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1275
1276         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1277         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1278         under x32.
1279
1280 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1281
1282         * x86_64.cc: Initial support for x32.
1283
1284 2012-01-03  Cary Coutant  <ccoutant@google.com>
1285
1286         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1287         Use abstract base class for GOT.
1288         * gold/output.h (class Output_data_got_base): New abstract base class.
1289         (class Output_data_got): Derive from new base class, adjust ctors.
1290         (Output_data_got::reserve_slot): Make virtual; rename to
1291         do_reserve_slot; Adjust callers.
1292         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1293         pointer to abstract base class.
1294         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1295
1296 2011-12-18  Ian Lance Taylor  <iant@google.com>
1297
1298         * object.h (Relobj::local_symbol_value): New function.
1299         (Relobj::local_plt_offset): New function.
1300         (Relobj::local_has_got_offset): New function.
1301         (Relobj::local_got_offset): New function.
1302         (Relobj::set_local_got_offset): New function.
1303         (Relobj::do_local_symbol_value): New pure virtual function.
1304         (Relobj::do_local_plt_offset): Likewise.
1305         (Relobj::do_local_has_got_offset): Likewise.
1306         (Relobj::do_local_got_offset): Likewise.
1307         (Relobj::do_set_local_got_offset): Likewise.
1308         (Sized_relobj::do_local_has_got_offset): Rename from
1309         local_has_got_offset.
1310         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1311         (Sized_relobj::do_set_local_got_offset): Rename from
1312         set_local_got_offset.
1313         (Sized_relobj_file::do_local_plt_offset): Rename from
1314         local_plt_offset.
1315         (Sized_relobj_file::do_local_symbol_value): New function.
1316         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1317         local_plt_offset.
1318         * output.cc (Output_data_got::Got_entry::write): Change object to
1319         Relobj.  Use local_symbol_value.
1320         (Output_data_got::add_global_with_rel): Change rel_dyn to
1321         Output_data_reloc_generic*.  Use add_global_generic.
1322         (Output_data_got::add_global_with_rela): Remove.  Change all
1323         callers to use add_global_with_rel.
1324         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1325         Output_data_reloc_generic*.  Use add_global_generic.
1326         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1327         callers to use add_global_pair_with_rel.
1328         (Output_data_got::add_local): Change object to Relobj*.
1329         (Output_data_got::add_local_plt): Likewise.
1330         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1331         change rel_dyn to Output_data_reloc_generic*.  Use
1332         add_local_generic.
1333         (Output_data_got::add_local_with_rela): Remove.  Change all
1334         callers to use all_local_with_rel.
1335         (Output_data_got::add_local_pair_with_rel): Change object to
1336         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1337         add_output_section_generic.
1338         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1339         callers to use add_local_pair_with_rel.
1340         (Output_data_got::reserve_local): Change object to Relobj*.
1341         * output.h: (class Output_data_reloc_generic): Add pure virtual
1342         declarations for add_global_generic, add_local_generic,
1343         add_output_section_generic.
1344         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1345         functions for Output_data_reloc_generic.  Update declarations for
1346         changes listed in output.cc.
1347         (class Output_data_got): Change template parameter to got_size.
1348         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1349         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1350         function.
1351         (Sized_relobj_incr::do_local_plt_offset): New function.
1352         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1353         add_global_generic.
1354
1355 2011-12-17  Cary Coutant  <ccoutant@google.com>
1356
1357         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1358         * resolve.cc (Symbol_table::resolve): Likewise.
1359         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1360         arrays.
1361         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1362
1363 2011-12-16  Ian Lance Taylor  <iant@google.com>
1364
1365         * output.h (Output_data_reloc_generic::add): Only call
1366         add_dynamic_reloc if this is a dynamic reloc section.
1367
1368 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1369
1370         PR gold/13505
1371         * target-reloc.h (apply_relocation): Replace <64, false> with
1372         <size, big_endian>.
1373
1374 2011-11-25  Nick Clifton  <nickc@redhat.com>
1375
1376         * po/it.po: New Italian translation.
1377
1378 2011-11-17  Sterling Augustine  <saugustine@google.com>
1379
1380         * script.cc (script_include_directive): Implement.
1381         (read_script_file): New local variables name and search_path. Update
1382         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1383         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1384         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1385
1386 2011-11-11  Sterling Augustine  <saugustine@google.com>
1387
1388         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1389         (file_or_sections_cmd): Likewise.
1390
1391 2011-11-11  Doug Kwan  <dougkwan@google.com>
1392
1393         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1394         if --just-symbols is given.
1395
1396 2011-11-10  Doug Kwan  <dougkwan@google.com>
1397
1398         PR gold/13362
1399         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1400         when processing data relocs.
1401         * reloc.h (Relocate_functions::rel_unaligned): New method.
1402         (Relocate_functions::pcrel_unaligned): Ditto.
1403         (Relocate_functions::rel32_unaligned): Ditto.
1404         (Relocate_functions::pcrel32_unaligned): Ditto.
1405
1406 2011-11-09  Doug Kwan  <dougkwan@google.com>
1407
1408         PR gold/13362
1409         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1410         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1411         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1412         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1413         (Relocate_functions::rel_unaligned): New.
1414         (Relocate_functions::rel32_unaligned): New.
1415         * target-reloc.h (relocate_for_relocatable): Add code to handle
1416         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1417         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1418         arm_unaligned_reloc_r): New targets.
1419         * testsuite/Makefile.in: Regenerate.
1420         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1421         linking.
1422
1423 2011-11-02  Ian Lance Taylor  <iant@google.com>
1424
1425         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1426         NATIVE_LINKER.
1427         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1428         * options.cc (General_options::finalize): Use library search path
1429         from configure script if specified.  If not native and no sysroot,
1430         only search TOOLLIBDIR.
1431         * options.h (Search_directory::Search_directory): Change name to
1432         const std::string&.
1433         (General_options::add_to_library_path_with_sysroot): Change arg to
1434         const std::string&.
1435         * configure, Makefile.in, config.in: Rebuild.
1436
1437 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1438
1439         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1440         we are working around the ARM1176 Erratum.
1441         * options.h (General_options::fix_arm1176): Add option.
1442         * testsuite/Makefile.am: Add testcases, and keep current ones
1443         working.
1444         * testsuite/Makefile.in: Regenerate.
1445         * testsuite/arm_fix_1176.s: New file.
1446         * testsuite/arm_fix_1176.sh: Likewise.
1447
1448 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1449
1450         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1451         may_use_blx_.
1452         (Target_arm::may_use_blx): Remove method.
1453         (Target_arm::set_may_use_blx): Likewise.
1454         (Target_arm::may_use_v4t_interworking): New method.
1455         (Target_arm::may_use_v5t_interworking): Likewise.
1456         (Target_arm::may_use_blx_): Remove member variable.
1457         (Arm_relocate_functions::arm_branch_common): Check for v5T
1458         interworking.
1459         (Arm_relocate_functions::thumb_branch_common): Likewise.
1460         (Reloc_stub::stub_type_for_reloc): Likewise.
1461         (Target_arm::do_finalize_sections): Correct interworking checks.
1462         * testsuite/Makefile.am: Add new tests.
1463         * testsuite/Makefile.in: Regenerate.
1464         * testsuite/arm_farcall_arm_arm.s: New test.
1465         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1466         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1467         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1468         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1469         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1470         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1471         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1472
1473 2011-10-31  Cary Coutant  <ccoutant@google.com>
1474
1475         PR gold/13023
1476         * expression.cc (Expression::eval_with_dot): Add
1477         is_section_dot_assignment parameter.
1478         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1479         absolute and assigning to dot within a section.
1480         * script-sections.cc
1481         (Output_section_element_assignment::set_section_addresses): Pass
1482         dot_section to set_if_absolute.
1483         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1484         as is_section_dot_assignment flag to eval_with_dot.
1485         (Output_section_element_dot_assignment::set_section_addresses):
1486         Likewise.
1487         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1488         parameter.  Also set value if relative to dot_section; set the
1489         symbol's output_section.
1490         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1491         parameter.  Adjust all callers.
1492         (Expression::eval_maybe_dot): Likewise.
1493         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1494         Adjust all callers.
1495         * testsuite/script_test_2.t: Test assignment of an absolute value
1496         to dot within an output section element.
1497
1498 2011-10-31  Cary Coutant  <ccoutant@google.com>
1499
1500         * options.h (class General_options): Add --[no-]gnu-unique options.
1501         * symtab.cc (Symbol_table::sized_write_globals): Convert
1502         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1503
1504 2011-10-31  Cary Coutant  <ccoutant@google.com>
1505
1506         PR gold/13359
1507         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1508         unnecessary assertion.
1509         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1510
1511 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1512
1513         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1514         gc_mark_symbol.
1515         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1516         gc_mark_symbol.
1517         Change to just keep the section associated with symbol.
1518         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1519         they are externally visible and --export-dynamic is turned on.
1520         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1521
1522 2011-10-19  Ian Lance Taylor  <iant@google.com>
1523
1524         PR gold/13163
1525         * script-sections.cc
1526         (Output_section_element_dot_assignment::needs_output_section): New
1527         function.
1528
1529 2011-10-19  Ian Lance Taylor  <iant@google.com>
1530
1531         PR gold/13204
1532         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1533         --section-start option was seen.
1534         * options.h (General_options::any_section_start): New function.
1535
1536 2011-10-18  David S. Miller  <davem@davemloft.net>
1537
1538         PR binutils/13301
1539         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1540         member to track relocation locations that have moved during TLS
1541         reloc optimizations.
1542         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1543         (Target_sparc::Relocate::relocate): Adjust view down by 4
1544         bytes if it matches reloc_adjust_addr_.
1545         (Target_sparc::Relocate::relocate_tls): Always move the
1546         __tls_get_addr call delay slot instruction forward 4 bytes when
1547         performing relaxation.
1548
1549 2011-10-18  Cary Coutant  <ccoutant@google.com>
1550
1551         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1552         (Output_file::map_no_anonymous): Check for non-zero
1553         return code from posix_fallocate.
1554
1555 2011-10-17  Cary Coutant  <ccoutant@google.com>
1556
1557         PR gold/13245
1558         * plugin.cc (is_visible_from_outside): Check for symbols
1559         referenced from dynamic objects.
1560         * resolve.cc (Symbol_table::resolve): Don't count references
1561         from dynamic objects as references from real ELF files.
1562         * testsuite/plugin_test_2.sh: Adjust expected result.
1563
1564 2011-10-17  Cary Coutant  <ccoutant@google.com>
1565
1566         * gold.cc: Include timer.h.
1567         (queue_middle_tasks): Stamp time.
1568         (queue_final_tasks): Likewise.
1569         * main.cc (main): Store timer in parameters.  Print timers
1570         for each pass.
1571         * parameters.cc (Parameters::Parameters): Initialize timer_.
1572         (Parameters::set_timer): New function.
1573         (set_parameters_timer): New function.
1574         * parameters.h (Parameters::set_timer): New function.
1575         (Parameters::timer): New function.
1576         (Parameters::timer_): New data member.
1577         (set_parameters_timer): New function.
1578         * timer.cc (Timer::stamp): New function.
1579         (Timer::get_pass_time): New function.
1580         * timer.h (Timer::stamp): New function.
1581         (Timer::get_pass_time): New function.
1582         (Timer::pass_times_): New data member.
1583
1584 2011-10-17  Cary Coutant  <ccoutant@google.com>
1585
1586         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1587         task for members of lib groups.
1588
1589 2011-10-17  Cary Coutant  <ccoutant@google.com>
1590
1591         PR gold/13288
1592         * fileread.cc (File_read::find_view): Add assert.
1593         (File_read::make_view): Move bounds check (replace with assert)...
1594         (File_read::find_or_make_view): ... to here.
1595
1596 2011-10-12  Cary Coutant  <ccoutant@google.com>
1597
1598         * output.cc (Output_file::open_base_file): Handle case where
1599         ::read returns less than requested size.
1600
1601 2011-10-10  Cary Coutant  <ccoutant@google.com>
1602
1603         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1604         Initialize defined_count_.
1605         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1606         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1607         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1608         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1609         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1610         * incremental.h (Sized_relobj_incr::defined_count_): New data
1611         member.
1612         (Sized_incr_dynobj::defined_count_): New data member.
1613         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1614         Return zeroes instead of internal error.
1615
1616 2011-10-10  Cary Coutant  <ccoutant@google.com>
1617
1618         PR gold/13249
1619         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1620         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1621         * output.h (class Output_reloc): Add use_plt_offset flag.
1622         (Output_reloc::type_): Adjust size of bit field.
1623         (Output_reloc::use_plt_offset_): New bit field.
1624         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1625         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1626         flag.  Adjust all callers.
1627         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1628         creating RELATIVE relocations.
1629
1630 2011-10-10  Nick Clifton  <nickc@redhat.com>
1631
1632         * po/es.po: Updated Spanish translation.
1633         * po/fi.po: Updated Finnish translation.
1634
1635 2011-10-03   Diego Novillo  <dnovillo@google.com>
1636
1637         * options.cc (parse_uint): Fix dereference of RETVAL.
1638
1639 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1640
1641         * layout.h (section_order_map_): New member.
1642         (get_section_order_map): New member function.
1643         * output.cc (Output_section::add_input_section): Check for patterns
1644         only when --section-ordering-file is specified.
1645         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1646         output_sections have been formed.
1647         * layout.cc (Layout_Layout): Initialize section_order_map_.
1648         * plugin.cc (update_section_order): Store order in order_map. Do not
1649         update the order.
1650         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1651         * testsuite/Makefile.in: Regenerate.
1652         * testsuite/plugin_section_order.c: New file.
1653         * testsuite/plugin_final_layout.cc: New file.
1654         * testsuite/plugin_final_layout.sh: New file.
1655
1656 2011-09-29  Cary Coutant  <ccoutant@google.com>
1657
1658         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1659         Check for NULL.
1660         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1661         symbols during incremental update.
1662         (Symbol_table::add_from_dynobj): Likewise.
1663
1664 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1665             Ian Lance Taylor  <iant@google.com>
1666
1667         * symtab.cc (Symbol_table::define_special_symbol): Always
1668         canonicalize version string.
1669
1670 2011-09-26  Cary Coutant  <ccoutant@google.com>
1671
1672         * gold.cc (queue_initial_tasks): Move option checks ...
1673         * options.cc (General_options::finalize): ... to here. Disable
1674         some options; make others fatal.
1675
1676 2011-09-26  Cary Coutant  <ccoutant@google.com>
1677
1678         gcc PR lto/47247
1679         * plugin.cc (get_symbols_v2): New function.
1680         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1681         (is_referenced_from_outside): New function.
1682         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1683         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1684         (get_symbols): Pass version parameter.
1685         (get_symbols_v2): New function.
1686         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1687         parameter.
1688         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1689         (onload): Add LDPT_GET_SYMBOLS_V2.
1690         (all_symbols_read_hook): Use get_symbols_v2; check for
1691         LDPR_PREVAILING_DEF_IRONLY_EXP.
1692         * testsuite/plugin_test_3.sh: Update expected results.
1693
1694 2011-09-23  Simon Baldwin  <simonb@google.com>
1695
1696         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1697         configuration options.
1698         * configure: Regenerate.
1699         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1700         * Makefile.in: Regenerate.
1701         * testsuite/Makefile.in: Regenerate.
1702
1703 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1704
1705         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1706
1707 2011-09-19  Cary Coutant  <ccoutant@google.com>
1708
1709         * incremental.cc (can_incremental_update): Fix typo in comment.
1710         * incremental.h (can_incremental_update): Likewise.
1711
1712 2011-09-18  Cary Coutant  <ccoutant@google.com>
1713
1714         * incremental.cc (can_incremental_update): New function.
1715         * incremental.h (can_incremental_update): New function.
1716         * layout.cc (Layout::init_fixed_output_section): Call it.
1717         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1718         * object.cc (Sized_relobj_file::do_layout): Call
1719         can_incremental_update.
1720
1721 2011-09-13  Cary Coutant  <ccoutant@google.com>
1722
1723         * configure.ac: Check for glibc support for gnu_indirect_function
1724         support with static linking, setting automake conditional
1725         IFUNC_STATIC.
1726         * Makefile.in: Regenerate.
1727         * configure: Regenerate.
1728
1729         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1730         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1731         for IFUNC_STATIC.
1732         * testsuite/Makefile.in: Regenerate.
1733
1734 2011-09-13  Cary Coutant  <ccoutant@google.com>
1735
1736         * incremental.cc (Sized_relobj_incr::do_layout): Call
1737         report_comdat_group for kept comdat sections.
1738         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1739         * testsuite/Makefile.in: Regenerate.
1740         * testsuite/incr_comdat_test_1.cc: New source file.
1741         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1742         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1743         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1744
1745 2011-09-13  Ian Lance Taylor  <iant@google.com>
1746
1747         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1748         variable external_symbols_offset.
1749
1750 2011-09-12  Ian Lance Taylor  <iant@google.com>
1751
1752         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1753         triggered if object has no symbols.
1754
1755 2011-09-09  David S. Miller  <davem@davemloft.net>
1756
1757         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1758         (Output_fill_debug_line::do_write): Likewise.
1759
1760 2011-08-29  Cary Coutant  <ccoutant@google.com>
1761
1762         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1763         casts to match formatting specs.
1764         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1765
1766 2011-08-26  Cary Coutant  <ccoutant@google.com>
1767
1768         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1769         remaining hole size when allocating.
1770         (Layout::make_output_section): Set fill methods for debug sections.
1771         * layout.h (Free_list::Free_list_node): Move from private to
1772         public.
1773         (Free_list::set_min_hole_size): New function.
1774         (Free_list::begin, Free_list::end): New functions.
1775         (Free_list::min_hole_): New data member.
1776         * output.cc: Include dwarf.h.
1777         (Output_fill_debug_info::do_minimum_hole_size): New function.
1778         (Output_fill_debug_info::do_write): New function.
1779         (Output_fill_debug_line::do_minimum_hole_size): New function.
1780         (Output_fill_debug_line::do_write): New function.
1781         (Output_section::Output_section): Initialize new data member.
1782         (Output_section::set_final_data_size): Ensure patch space is larger
1783         than minimum hole size.
1784         (Output_section::do_write): Fill holes in debug sections.
1785         * output.h (Output_fill): New class.
1786         (Output_fill_debug_info): New class.
1787         (Output_fill_debug_line): New class.
1788         (Output_section::set_free_space_fill): New function.
1789         (Output_section::free_space_fill_): New data member.
1790         * testsuite/Makefile.am (incremental_test_3): Add
1791         --incremental-patch option.
1792         (incremental_test_4): Likewise.
1793         (incremental_test_5): Likewise.
1794         (incremental_test_6): Likewise.
1795         (incremental_copy_test): Likewise.
1796         (incremental_common_test_1): Likewise.
1797         * testsuite/Makefile.in: Regenerate.
1798
1799 2011-08-26  Nick Clifton  <nickc@redhat.com>
1800
1801         * po/es.po: Updated Spanish translation.
1802
1803 2011-08-01  Cary Coutant  <ccoutant@google.com>
1804
1805         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1806         * gold/testsuite/Makefile.in: Regenerate.
1807         * gold/testsuite/justsyms_exec.c: New source file.
1808         * gold/testsuite/justsyms_lib.c: New source file.
1809
1810 2011-08-01  Cary Coutant  <ccoutant@google.com>
1811
1812         * layout.cc (Layout::set_segment_offsets): Don't realign text
1813         segment if -Ttext was specified.
1814         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1815         file type.
1816         * object.h (Sized_relobj_file::e_type): New function.
1817         (Sized_relobj_file::e_type_): New data member.
1818         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1819         base address for ET_EXEC files.
1820         * target.cc (Target::do_make_elf_object_implementation): Allow
1821         ET_EXEC files with --just-symbols option.
1822
1823 2011-07-28  Cary Coutant  <ccoutant@google.com>
1824
1825         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1826         Add thread_number parameter.
1827         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1828         * workqueue-threads.cc
1829         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1830         current thread if its thread number is greater than desired thread
1831         count.
1832         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1833         Add thread_number parameter.
1834         (Workqueue::should_cancel_thread): Likewise.
1835         (Workqueue::find_runnable_or_wait): Pass thread_number to
1836         should_cancel_thread.
1837         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1838         parameter.
1839
1840 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1841
1842         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1843         only after checking if it cannot be forced local.
1844         * symtab.h (is_externally_visible): Check if the symbol is not forced
1845         local.
1846
1847 2011-07-15  Ian Lance Taylor  <iant@google.com>
1848
1849         * options.h (class General_options): Add --print-output-format.
1850         Move -EL next to -EB, for  better --help output.
1851         * target-select.cc: Include <cstdio>, "options.h", and
1852         "parameters.h".
1853         (Target_selector::do_target_bfd_name): New function.
1854         (print_output_format): New function.
1855         * target-select.h (class Target_selector): Update declarations.
1856         (Target_selector::target_bfd_name): New function.
1857         (print_output_format): Declare.
1858         * main.cc: Include "target-select.h".
1859         (main): Handle --print-output-format.
1860         * gold.cc: Include "target-select.h".
1861         (queue_initial_tasks): Handle --print-output-format when there are
1862         no input files.
1863         * parameters.cc (parameters_force_valid_target): Give a better
1864         error message if -EB/-EL does not match target.
1865         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1866         function.
1867
1868 2011-07-15  Ian Lance Taylor  <iant@google.com>
1869
1870         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1871         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1872         (Output_data_plt_i386::do_write): Write address of .dynamic
1873         section to first entry in .got.plt section.
1874         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1875         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1876         Initialize layout_.
1877         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1878         section to first entry in .got.plt section.
1879         * layout.h (Layout::dynamic_section): New function.
1880
1881 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1882
1883         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1884         to claim_file call.
1885         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1886         input_section_position_, and input_section_glob_.
1887         (read_layout_from_file): Call function section_ordering_specified.
1888         * layout.h (is_section_ordering_specified): New function.
1889         (section_ordering_specified): New function.
1890         (section_ordering_specified_): New boolean member.
1891         * main.cc(main): Call load_plugins after layout object is defined.
1892         * output.cc (Output_section::add_input_section): Use
1893         function section_ordering_specified to check if section ordering is
1894         needed.
1895         * output.cc (Output_section::add_relaxed_input_section): Use
1896         function section_ordering_specified to check if section ordering is
1897         needed.
1898         (Output_section::update_section_layout): New function.
1899         (Output_section::sort_attached_input_sections): Check if input section
1900         must be reordered.
1901         * output.h (Output_section::update_section_layout): New function.
1902         * plugin.cc (get_section_count): New function.
1903         (get_section_type): New function.
1904         (get_section_name): New function.
1905         (get_section_contents): New function.
1906         (update_section_order): New function.
1907         (allow_section_ordering): New function.
1908         (Plugin::load): Add the new interfaces to the transfer vector.
1909         (Plugin_manager::load_plugins): New parameter.
1910         (Plugin_manager::all_symbols_read): New parameter.
1911         (Plugin_manager::claim_file): New parameter. Save the elf object for
1912         unclaimed objects.
1913         (Plugin_manager::get_elf_object): New function.
1914         (Plugin_manager::get_view): Change to directly use the bool to check
1915         if get_view is called from claim_file_hook.
1916         * plugin.h (input_objects): New function
1917         (Plugin__manager::load_plugins): New parameter.
1918         (Plugin_manager::claim_file): New parameter.
1919         (Plugin_manager::get_elf_object): New function.
1920         (Plugin_manager::in_claim_file_handler): New function.
1921         (Plugin_manager::in_claim_file_handler_): New member.
1922         (layout): New function.
1923         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1924         handler with an extra parameter. Make the elf object before calling
1925         claim_file handler.
1926         * testsuite/plugin_test.c (get_section_count): New function pointer.
1927         (get_section_type): New function pointer.
1928         (get_section_name): New function pointer.
1929         (get_section_contents): New function pointer.
1930         (update_section_order): New function pointer.
1931         (allow_section_ordering): New function pointer.
1932         (onload): Check if the new interfaces exist.
1933
1934 2011-07-13  Ian Lance Taylor  <iant@google.com>
1935
1936         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1937         relro section.
1938         * x86_64.cc (Target_x86_64::got_section): Likewise.
1939         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1940         (relro_now_test_SOURCES): New variable.
1941         (relro_now_test_DEPENDENCIES): New variable.
1942         (relro_now_test_LDFLAGS): New variable.
1943         (relro_now_test_LDADD): New variable.
1944         (relro_now_test.so): New target.
1945         * testsuite/Makefile.in: Rebuild.
1946
1947 2011-07-12  Ian Lance Taylor  <iant@google.com>
1948
1949         PR gold/12980
1950         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1951         GLOB_DAT relocation rather than a RELATIVE relocation for a
1952         protected symbol when creating a shared library.
1953         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1954         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1955         * testsuite/protected_main_1.cc (main): Test that protected
1956         function has same address.
1957
1958 2011-07-11  Ian Lance Taylor  <iant@google.com>
1959
1960         PR gold/12979
1961         * options.h (class General_options): Add -Bgroup.
1962         * options.cc (General_options::finalize): If -Bgroup is set,
1963         default to --unresolved-symbols=report-all.
1964         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1965         * target-reloc.h (issue_undefined_symbol_error): Handle
1966         --unresolved-symbols=report-all.
1967
1968 2011-07-08  Ian Lance Taylor  <iant@google.com>
1969
1970         PR gold/11985
1971         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1972         if linker script discards key sections.
1973         (Layout::create_dynamic_symtab): Likewise.
1974         (Layout::assign_local_dynsym_offsets): Likewise.
1975         (Layout::sized_create_version_sections): Likewise.
1976         (Layout::create_interp): Likewise.
1977         (Layout::finish_dynamic_section): Likewise.
1978         (Layout::set_dynamic_symbol_size): Likewise.
1979
1980 2011-07-08  Ian Lance Taylor  <iant@google.com>
1981
1982         PR gold/12386
1983         * options.h (class General_options): Add --unresolved-symbols.
1984         * target-reloc.h (issue_undefined_symbol_error): Check
1985         --unresolved-symbols.  Add comments.
1986
1987 2011-07-08  Ian Lance Taylor  <iant@google.com>
1988
1989         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1990         expression more complex.
1991
1992 2011-07-08  Ian Lance Taylor  <iant@google.com>
1993
1994         PR gold/11317
1995         * target-reloc.h (issue_undefined_symbol_error): New inline
1996         function, broken out of relocate_section.
1997         (relocate_section): Call issue_undefined_symbol_error.
1998         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1999         there is no TLS segment if we are about to issue an undefined
2000         symbol error.
2001         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2002
2003 2011-07-08  Ian Lance Taylor  <iant@google.com>
2004
2005         PR gold/12279
2006         * resolve.cc (Symbol_table::should_override): Add fromtype
2007         parameter.  Change all callers.  Give error when linking together
2008         TLS and non-TLS symbol.
2009         (Symbol_table::should_override_with_special): Add fromtype
2010         parameter.  Change all callers.
2011         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2012         there is no TLS segment if we have reported some errors.
2013         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2014
2015 2011-07-08  Ian Lance Taylor  <iant@google.com>
2016
2017         PR gold/12372
2018         * target.h (Target::plt_address_for_global): New function.
2019         (Target::plt_address_for_local): New function.
2020         (Target::plt_section_for_global): Remove.
2021         (Target::plt_section_for_local): Remove.
2022         (Target::do_plt_address_for_global): New virtual function.
2023         (Target::do_plt_address_for_local): New virtual function.
2024         (Target::do_plt_section_for_global): Remove.
2025         (Target::do_plt_section_for_local): Remove.
2026         (Target::register_global_plt_entry): Add Symbol_table and Layout
2027         parameters.
2028         * output.cc (Output_data_got::Got_entry::write): Use
2029         plt_address_for_global and plt_address_for_local.
2030         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2031         address of output section.
2032         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2033         got_irelative_, and irelative_count_ fields.  Update
2034         declarations.
2035         (Output_data_plt_i386::has_irelative_section): New function.
2036         (Output_data_plt_i386::entry_count): Add irelative_count_.
2037         (Output_data_plt_i386::set_final_data_size): Likewise.
2038         (class Target_i386): Add got_irelative_ and rel_irelative_
2039         fields.  Update declarations.
2040         (Target_i386::Target_i386): Initialize new fields.
2041         (Target_i386::do_plt_address_for_global): New function replacing
2042         do_plt_section_for_global.
2043         (Target_i386::do_plt_address_for_local): New function replacing
2044         do_plt_section_for_local.
2045         (Target_i386::got_section): Create got_irelative_.
2046         (Target_i386::rel_irelative_section): New function.
2047         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2048         fields.  Don't define __rel_iplt_{start,end}.
2049         (Output_data_plt_i386::add_entry): Add symtab and layout
2050         parameters.  Change all callers.  Use different PLT and GOT for
2051         IFUNC symbols.
2052         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2053         layout parameters.  Change all callers.  Use different PLT and
2054         GOT.
2055         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2056         (Output_data_plt_i386::rel_irelative): New function.
2057         (Output_data_plt_i386::address_for_global): New function.
2058         (Output_data_plt_i386::address_for_local): New function.
2059         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2060         IRELATIVE GOT when changing IFUNC GOT entries.
2061         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2062         reloc.
2063         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2064         if we didn't create an IRELATIVE GOT.
2065         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2066         plt_address_for_local.
2067         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2068         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2069         got_irelative_, and irelative_count_ fields.  Update
2070         declarations.
2071         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2072         Initialize new fields.  Remove symtab parameter.  Change all
2073         callers.
2074         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2075         irelative_count_.
2076         (Output_data_plt_x86_64::has_irelative_section): New function.
2077         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2078         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2079         fields.  Update declarations.
2080         (Target_x86_64::Target_x86_64): Initialize new fields.
2081         (Target_x86_64::do_plt_address_for_global): New function replacing
2082         do_plt_section_for_global.
2083         (Target_x86_64::do_plt_address_for_local): New function replacing
2084         do_plt_section_for_local.
2085         (Target_x86_64::got_section): Create got_irelative_.
2086         (Target_x86_64::rela_irelative_section): New function.
2087         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2088         all callers.  Don't create __rel_iplt_{start,end}.
2089         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2090         parameters.  Change all callers.  Use different PLT and GOT for
2091         IFUNC symbols.
2092         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2093         layout parameters.  Change all callers.  Use different PLT and
2094         GOT.
2095         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2096         parameters.  Change all callers.  Use different PLT and GOT for
2097         IFUNC symbols.
2098         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2099         (Output_data_plt_x86_64::rela_irelative): New function.
2100         (Output_data_plt_x86_64::address_for_global): New function.
2101         (Output_data_plt_x86_64::address_for_local): New function.
2102         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2103         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2104         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2105         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2106         parameters.
2107         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2108         reloc.
2109         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2110         symbols if we didn't create an IRELATIVE GOT.
2111         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2112         plt_address_for_local.
2113         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2114         * testsuite/ifuncvar1.c: New test file.
2115         * testsuite/ifuncvar2.c: New test file.
2116         * testsuite/ifuncvar3.c: New test file.
2117         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2118         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2119         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2120         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2121         * testsuite/Makefile.in: Rebuild.
2122
2123 2011-07-07  Cary Coutant  <ccoutant@google.com>
2124
2125         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2126         (two_file_test_1_ndebug.o): Likewise.
2127         (two_file_test_1b_ndebug.o): Likewise.
2128         (two_file_test_2_ndebug.o): Likewise.
2129         (two_file_test_main_ndebug.o): Likewise.
2130         (incremental_test_2): Link with no-debug versions.
2131
2132 2011-07-06  Cary Coutant  <ccoutant@google.com>
2133
2134         * gold/incremental.cc
2135         (Output_section_incremental_inputs::write_info_blocks): Check for
2136         hidden and internal symbols.
2137
2138 2011-07-06  Cary Coutant  <ccoutant@google.com>
2139
2140         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2141         Check disposition for startup file.
2142         (Incremental_inputs::report_command_line): Ignore
2143         --incremental-startup-unchanged option.
2144         * options.cc (General_options::parse_incremental_startup_unchanged):
2145         New function.
2146         (General_options::General_options): Initialize new data member.
2147         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2148         (General_options): Add --incremental-startup-unchanged option.
2149         (General_options::incremental_startup_disposition): New function.
2150         (General_options::incremental_startup_disposition_): New data member.
2151
2152 2011-07-06  Cary Coutant  <ccoutant@google.com>
2153
2154         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2155         input file index to Script_info ctor.
2156         (Sized_incremental_binary::do_file_has_changed): Find the
2157         command-line argument for files named in scripts.
2158         * incremental.h (Script_info::Script_info): New ctor
2159         with input file index.
2160         (Script_info::input_file_index): New function.
2161         (Script_info::input_file_index_): New data member.
2162         (Incremental_binary::get_library): Add const.
2163         (Incremental_binary::get_script_info): Add const.
2164         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2165         * testsuite/Makefile.am (incremental_test_5): New test case.
2166         (incremental_test_6): New test case.
2167         * testsuite/Makefile.in: Regenerate.
2168
2169 2011-07-06  Cary Coutant  <ccoutant@google.com>
2170
2171         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2172         debug output when command lines differ.
2173
2174 2011-07-06  Cary Coutant  <ccoutant@google.com>
2175
2176         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2177         --incremental-patch option.
2178         * layout.cc (Free_list::allocate): Extend allocation beyond original
2179         end if enabled.
2180         (Layout::make_output_section): Mark sections that should get
2181         patch space.
2182         * options.cc (parse_percent): New function.
2183         * options.h (parse_percent): New function.
2184         (DEFINE_percent): New macro.
2185         (General_options): Add --incremental-patch option.
2186         * output.cc (Output_section::Output_section): Initialize new data
2187         members.
2188         (Output_section::add_input_section): Print section name when out
2189         of patch space.
2190         (Output_section::add_output_section_data): Likewise.
2191         (Output_section::set_final_data_size): Add patch space when
2192         doing --incremental-full.
2193         (Output_section::do_reset_address_and_file_offset): Remove patch
2194         space.
2195         (Output_segment::set_section_list_addresses): Print debug output
2196         only if --incremental-update.
2197         * output.h (Output_section::set_is_patch_space_allowed): New function.
2198         (Output_section::is_patch_space_allowed_): New data member.
2199         (Output_section::patch_space_): New data member.
2200         * parameters.cc (Parameters::incremental_full): New function.
2201         * parameters.h (Parameters::incremental_full): New function
2202         * testsuite/Makefile.am (incremental_test_2): Add test for
2203         --incremental-patch option.
2204         * testsuite/Makefile.in: Regenerate.
2205         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2206         (t18): Remove function body.
2207
2208 2011-07-05  Doug Kwan  <dougkwan@google.com>
2209
2210         PR gold/12771
2211         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2212         Arm_Address type for relocation result.
2213         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2214         overflow check.
2215         (Arm_relocate_functions::abs32): Use unaligned access.
2216         (Arm_relocate_functions::rel32): Ditto.
2217         (Arm_relocate_functions::prel31): Ditto.
2218         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2219         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2220         static data relocations.
2221         * testsuite/Makefile.in: Regnerate.
2222         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2223
2224 2011-07-05  Ian Lance Taylor  <iant@google.com>
2225
2226         PR gold/12392
2227         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2228         symbols if necessary.
2229         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2230
2231 2011-07-05  Ian Lance Taylor  <iant@google.com>
2232
2233         PR gold/12952
2234         * resolve.cc (Symbol::override_base_with_special): Simply override
2235         version with special symbol version, ignoring previous version.
2236
2237 2011-07-05  Ian Lance Taylor  <iant@google.com>
2238
2239         * object.cc (Sized_relobj_file::include_section_group): Add
2240         information to comment about signature location.
2241
2242 2011-07-02  Ian Lance Taylor  <iant@google.com>
2243
2244         PR gold/12957
2245         * options.h (class General_options): Add -f and -F.
2246         * options.cc (General_options::finalize): Fatal error if -f/-F
2247         are used without -shared.
2248         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2249
2250 2011-07-02  Ian Lance Taylor  <iant@google.com>
2251
2252         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2253
2254 2011-07-01  Ian Lance Taylor  <iant@google.com>
2255
2256         PR gold/12525
2257         PR gold/12952
2258         * resolve.cc (Symbol::override_base_with_special): Don't override
2259         the version if the overriding symbol has a different name.
2260         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2261         all callers.  If we give an error about an undefined version,
2262         define the base version if necessary.
2263         * dynobj.h (class Versions): Update declaration.
2264         * testsuite/weak_alias_test_5.cc: New file.
2265         * testsuite/weak_alias_test.script: New file.
2266         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2267         and versioned_alias have the right value, and call t2.
2268         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2269         weak_alias_test_5.so.
2270         (weak_alias_test_LDADD): Likewise.
2271         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2272         * testsuite/Makefile.in: Rebuild.
2273
2274 2011-07-01  Ian Lance Taylor  <iant@google.com>
2275
2276         PR gold/12525
2277         * options.h (class General_options): Support -z notext.
2278         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2279         -Wl,-z,notext.
2280         (two_file_shared_nonpic.so): Likewise.
2281         (two_file_shared_mixed.so): Likewise.
2282         (two_file_shared_mixed_1.so): Likewise.
2283         (weak_undef_lib_nonpic.so): Likewise.
2284         (alt/weak_undef_lib_nonpic.so): Likewise.
2285         (tls_test_shared_nonpic.so): Likewise.
2286         * testsuite/Makefile.in: Rebuild.
2287
2288 2011-07-01  Ian Lance Taylor  <iant@google.com>
2289
2290         PR gold/12525
2291         * configure.ac: Test whether static linking works, setting
2292         the automake conditional HAVE_STATIC.
2293         * testsuite/Makefile.am: Disable tests using -static if
2294         HAVE_STATIC is not true.
2295         * configure, testsuite/Makefile.in: Rebuild.
2296
2297 2011-07-01  Ian Lance Taylor  <iant@google.com>
2298
2299         PR gold/12525
2300         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2301         Assert if we see DW_EH_PE_indirect.
2302         * target.h (Target::ehframe_datarel_base): New function.
2303         (Target::do_ehframe_datarel_base): New target function.
2304         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2305         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2306         function.
2307
2308 2011-07-01  Ian Lance Taylor  <iant@google.com>
2309
2310         PR gold/12571
2311         * options.h (class General_options): Add
2312         --ld-generated-unwind-info.
2313         * ehframe.cc (Fde::write): Add address parameter.  Change all
2314         callers.  If associated with PLT, fill in address and size.
2315         (Cie::set_output_offset): Only add merge mapping if there is an
2316         object.
2317         (Cie::write): Add address parameter.  Change all callers.
2318         (Eh_frame::add_ehframe_for_plt): New function.
2319         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2320         input_offset_ fields into union u_, with new plt field.
2321         (Fde::Fde): Adjust for new union field.
2322         (Fde::Fde) [Output_data version]: New constructor.
2323         (Fde::add_mapping): Only add merge mapping if there is an object.
2324         (class Cie): Update declarations.
2325         (class Eh_frame): Declare add_ehframe_for_plt.
2326         * layout.cc (Layout::layout_eh_frame): Break out code into
2327         make_eh_frame_section, and call it.
2328         (Layout::make_eh_frame_section): New function.
2329         (Layout::add_eh_frame_for_plt): New function.
2330         * layout.h (class Layout): Update declarations.
2331         * merge.cc (Merge_map::add_mapping): Add assertion.
2332         * i386.cc: Include "dwarf.h".
2333         (class Output_data_plt_i386): Make first_plt_entry,
2334         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2335         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2336         and plt_eh_frame_fde.
2337         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2338         boundary.  Call add_eh_frame_for_plt if appropriate.
2339         * x86_64.cc: Include "dwarf.h".
2340         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2341         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2342         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2343         and plt_eh_frame_fde.
2344         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2345         appropriate.
2346
2347 2011-06-29  Ian Lance Taylor  <iant@google.com>
2348
2349         PR gold/12629
2350         * object.cc (Sized_relobj_file::layout_section): Change shdr
2351         parameter to be const.
2352         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2353         out of do_layout.
2354         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2355         appropriate.  Call layout_eh_frame_section.
2356         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2357         sections.
2358         * object.h (class Sized_relobj_file): Update declarations.
2359
2360 2011-06-29  Ian Lance Taylor  <iant@google.com>
2361
2362         PR gold/12652
2363         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2364         modifier.
2365         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2366
2367 2011-06-29  Ian Lance Taylor  <iant@google.com>
2368
2369         PR gold/12675
2370         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2371         SHT_X86_64_UNWIND.
2372         * layout.cc (Layout::layout_eh_frame): Likewise.
2373
2374 2011-06-29  Ian Lance Taylor  <iant@google.com>
2375
2376         PR gold/12695
2377         * layout.cc (Layout::symtab_section_shndx): New function.
2378         * layout.h (class Layout): Declare symtab_section_shndx.
2379         * output.cc (Output_section::write_header): Call it.
2380
2381 2011-06-29  Ian Lance Taylor  <iant@google.com>
2382
2383         PR gold/12818
2384         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2385         symbols which are not used in a relocation.
2386
2387 2011-06-28  Ian Lance Taylor  <iant@google.com>
2388
2389         PR gold/12898
2390         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2391         script create indistinguishable segments.
2392         (Layout::set_segment_offsets): Use stable_sort when sorting
2393         segments.  Pass this to Compare_segments constructor.
2394         * layout.h (class Layout): Make segment_precedes non-static.
2395         (class Compare_segments): Change from struct to class.  Add
2396         layout_ field.  Add constructor.
2397         * script-sections.cc
2398         (Script_sections::attach_sections_using_phdrs_clause): Rename
2399         local orphan to is_orphan.  Don't report failure to put empty
2400         section in segment.  On attachment failure, report name of
2401         section, and attach to first PT_LOAD segment.
2402
2403 2011-06-28  Ian Lance Taylor  <iant@google.com>
2404
2405         PR gold/12934
2406         * target-select.cc (Target_selector::Target_selector): Add
2407         emulation parameter.  Change all callers.
2408         (select_target_by_bfd_name): Rename from select_target_by_name.
2409         Change all callers.
2410         (select_target_by_emulation): New function.
2411         (supported_emulation_names): New function.
2412         * target-select.h (class Target_selector): Add emulation_ field.
2413         Update declarations.
2414         (Target_selector::recognize_by_bfd_name): Rename from
2415         recognize_by_name.  Change all callers.
2416         (Target_selector::supported_bfd_names): Rename from
2417         supported_names.  Change all callers.
2418         (Target_selector::recognize_by_emulation): New function.
2419         (Target_selector::supported_emulations): New function.
2420         (Target_selector::emulation): New function.
2421         (Target_selector::do_recognize_by_bfd_name): Rename from
2422         do_recognize_by_name.  Change all callers.
2423         (Target_selector::do_supported_bfd_names): Rename from
2424         do_supported_names.  Change all callers.
2425         (Target_selector::do_recognize_by_emulation): New function.
2426         (Target_selector::do_supported_emulations): New function.
2427         (select_target_by_bfd_name): Change name in declaration.
2428         (select_target_by_emulation): Declare.
2429         (supported_emulation_names): Declare.
2430         * parameters.cc (parameters_force_valid_target): Try to find
2431         target based on emulation from -m option.
2432         * options.h (class General_options): Change doc string for -m.
2433         * options.cc (help): Print emulations.
2434         (General_options::parse_V): Likewise.
2435         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2436         Add emulation parameter.  Change all callers.
2437
2438 2011-06-28  Ian Lance Taylor  <iant@google.com>
2439
2440         * target.h (class Target): Add osabi_ field.
2441         (Target::osabi): New function.
2442         (Target::set_osabi): New function.
2443         (Target::Target): Initialize osabi_.
2444         (Target::do_adjust_elf_header): Make pure virtual.
2445         (Sized_target::do_adjust_elf_header): Declare.
2446         * target.cc (Sized_target::do_adjust_elf_header): New function.
2447         (class Sized_target): Instantiate all versions.
2448         * freebsd.h (class Target_freebsd): Remove.
2449         (Target_selector_freebsd::do_recognize): Call set_osabi on
2450         Target.
2451         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2452         (Target_selector_freebsd::set_osabi): Remove.
2453         * i386.cc (class Target_i386): Inherit from Sized_target rather
2454         than Target_freebsd.
2455         * x86_64.cc (class Target_x86_64): Likewise.
2456
2457 2011-06-28  Ian Lance Taylor  <iant@google.com>
2458
2459         * target.h (Target::can_check_for_function_pointers): Rewrite.
2460         Make non-virtual.
2461         (Target::can_icf_inline_merge_sections): Likewise.
2462         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2463         (Target::Target_info): Add can_icf_inline_merge_sections field.
2464         (Target::do_can_check_for_function_pointers): New virtual
2465         function.
2466         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2467         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2468         from can_check_for_function_pointers, move in file.
2469         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2470         section_may_have_icf_unsafe_poineters, move in file.
2471         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2472         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2473         Rename from can_check_for_function_pointers, move in file.
2474         (Target_i386::can_icf_inline_merge_sections): Remove.
2475         (Target_i386::i386_info): Initialize
2476         can_icf_inline_merge_sections.
2477         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2478         Initialize can_icf_inline_merge_sections.
2479         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2480         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2481         Rename from can_check_for_function_pointers, move in file.
2482         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2483         (Target_x86_64::x86_64_info): Initialize
2484         can_icf_inline_merge_sections.
2485         * testsuite/testfile.cc (Target_test::test_target_info):
2486         Likewise.
2487         * icf.cc (get_section_contents): Correct formatting.
2488
2489 2011-06-27  Ian Lance Taylor  <iant@google.com>
2490
2491         * symtab.cc (Symbol::versioned_name): New function.
2492         (Symbol_table::add_to_final_symtab): Use versioned_name when
2493         appropriate.
2494         (Symbol_table::sized_write_symbol): Likewise.
2495         * symtab.h (class Symbol): Declare versioned_name.
2496         * stringpool.h (class Stringpool_template): Add variant of add
2497         which takes a std::basic_string.
2498         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2499         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2500         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2501         (ver_test_12.o): New target.
2502         * testsuite/Makefile.in: Rebuild.
2503
2504 2011-06-27  Doug Kwan  <dougkwan@google.com>
2505
2506         * arm.cc (Arm_relocate_functions::thm_jump8,
2507         Arm_relocate_functions::thm_jump11): Use a wider signed
2508         type to compute offset.
2509         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2510         arm_thm_jump8.
2511         * testsuite/Makefile.in: Regenerate.
2512         * testsuite/arm_branch_in_range.sh: Check test results of
2513         arm_thm_jump11 and arm_thm_jump8.
2514         * testsuite/arm_thm_jump11.s: New test source file.
2515         * testsuite/arm_thm_jump11.t: New linker script.
2516         * testsuite/arm_thm_jump8.s: New test source file.
2517         * testsuite/arm_thm_jump8.t: New linker script.
2518
2519 2011-06-24  Ian Lance Taylor  <iant@google.com>
2520
2521         * layout.cc: Include "object.h".
2522         (ctors_sections_in_init_array): New static variable.
2523         (Layout::is_ctors_in_init_array): New function.
2524         (Layout::layout): Add entry to ctors_sections_in_init_array if
2525         appropriate.
2526         * layout.h (class Layout): Declare is_ctors_in_init_array.
2527         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2528         is_ctors_reverse_view is set.
2529         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2530         all callers.  Set is_ctors_reverse_view field of View_size.
2531         (Sized_relobj_file::reverse_words): New function.
2532         * object.h (Sized_relobj_file::View_size): Add
2533         is_ctors_reverse_view field.
2534         (class Sized_relobj_file): Update declarations.
2535         * testsuite/initpri3.c: New test.
2536         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2537         initpri3b.
2538         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2539         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2540         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2541         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2542         * testsuite/Makefile.in: Rebuild.
2543
2544 2011-06-24  Cary Coutant  <ccoutant@google.com>
2545
2546         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2547         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2548         (debug_msg_cdebug.err): New targets.
2549         * testsuite/Makefile.in: Regenerate.
2550         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2551         Fix checks for link with shared library.
2552
2553 2011-06-24  Doug Kwan  <dougkwan@google.com>
2554
2555         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2556         skip empty text sections.
2557         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2558
2559 2011-06-22  Ian Lance Taylor  <iant@google.com>
2560
2561         PR gold/12910
2562         * options.h (class General_options): Add --ctors-in-init-array.
2563         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2564         friends as SHT_PROGBITS for merging sections.
2565         (Layout::layout): Remove special handling of .init_array and
2566         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2567         and .dtors if ctors_in_init_array.
2568         (Layout::make_output_section): Force correct section types for
2569         .init_array and friends.  Don't sort if doing relocatable link,
2570         Don't sort .ctors and .dtors if ctors_in_init_array.
2571         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2572         (Layout::output_section_name): Add relobj parameter.  Change all
2573         callers.  Handle .ctors. and .dtors. in code rather than table.
2574         Handle .ctors and .dtors if ctors_in_init_array.
2575         (Layout::match_file_name): New function, moved from output.cc.
2576         * layout.h (class Layout): Update declarations.
2577         * output.cc: Include "layout.h".
2578         (Input_section_sort_entry::get_priority): New function.
2579         (Input_section_sort_entry::match_file_name): Just call
2580         Layout::match_file_name.
2581         (Output_section::Input_section_sort_init_fini_compare::operator()):
2582         Handle .ctors and .dtors.  Sort by explicit priority rather than
2583         by name.
2584         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2585         * testsuite/initpri2.c: New test.
2586         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2587         (check_PROGRAMS): Add initpri2.
2588         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2589         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2590         * configure, testsuite/Makefile.in: Rebuild.
2591
2592 2011-06-19  Ian Lance Taylor  <iant@google.com>
2593
2594         PR gold/12880
2595         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2596         .interp section to a PT_INTERP segment even if we have seen a
2597         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2598         clause in a linker script.
2599         (Layout::finalize): Don't create a .interp section if we've
2600         already create a PT_INTERP segment.
2601         (Layout::create_interp): Always call choose_output_section (revert
2602         patch of 2011-06-17).  Don't create PT_INTERP segment.
2603         * script-sections.cc
2604         (Script_sections::create_note_and_tls_segments): Add a .interp
2605         section to a PT_INTERP segment even if we have seen a
2606         --dynamic-linker option.
2607
2608 2011-06-18  Ian Lance Taylor  <iant@google.com>
2609
2610         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2611         merely because a non-PT_LOAD segment has a dynamic reloc.
2612
2613 2011-06-18  Ian Lance Taylor  <iant@google.com>
2614
2615         * layout.cc (Layout::finish_dynamic_section): Don't create
2616         DT_FLAGS entry if not needed.
2617
2618 2011-06-18  Ian Lance Taylor  <iant@google.com>
2619
2620         PR gold/12745
2621         * layout.cc (Layout::layout_eh_frame): Correct handling of
2622         writable .eh_frame section.
2623
2624 2011-06-17  Ian Lance Taylor  <iant@google.com>
2625
2626         PR gold/12893
2627         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2628         symbol is redefined with the exact same object and value.
2629
2630 2011-06-17  Ian Lance Taylor  <iant@google.com>
2631
2632         PR gold/12880
2633         * layout.h (class Layout): Add interp_segment_ field.
2634         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2635         (Layout::attach_allocated_section_to_segment): If making shared
2636         library, put .interp section in PT_INTERP segment.
2637         (Layout::finalize): Also call create_interp if -dynamic-linker
2638         option was used.
2639         (Layout::create_interp): Assert that there is no PT_INTERP
2640         segment.  If not using a SECTIONS clause, use make_output_section.
2641         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2642         * script-sections.cc
2643         (Script_sections::create_note_and_tls_segments): If making shared
2644         library, put .interp section in PT_INTERP segment.
2645
2646 2011-06-17  Ian Lance Taylor  <iant@google.com>
2647
2648         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2649         when making a shared library.
2650
2651 2011-06-17  Ian Lance Taylor  <iant@google.com>
2652
2653         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2654         parameter.  Change all callers.  Don't issue warning about PC32
2655         against locally defined symbol.
2656
2657 2011-06-16  Ian Lance Taylor  <iant@google.com>
2658
2659         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2660         occurs in same object.
2661
2662 2011-06-14  Alan Modra  <amodra@gmail.com>
2663
2664         * po/POTFILES.in: Regenerate.
2665
2666 2011-06-09  Ian Lance Taylor  <iant@google.com>
2667
2668         * script-sections.cc
2669         (Orphan_output_section::set_section_addresses): For a relocatable
2670         link set address to 0.
2671
2672 2011-06-09  Cary Coutant  <ccoutant@google.com>
2673
2674         PR gold/12804
2675         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2676         used with --compress-debug-sections.
2677         * gold/object.cc (Sized_relobj_file::do_layout): Report
2678         uncompressed size of compressed input sections.
2679
2680 2011-06-08  Cary Coutant  <ccoutant@google.com>
2681
2682         PR gold/12804
2683         * testsuite/two_file_test_2_v1.cc: Change initialization of
2684         v2 to keep it in .data.
2685
2686 2011-06-07  Cary Coutant  <ccoutant@google.com>
2687
2688         * common.cc (Symbol_table::do_allocate_commons_list): Call
2689         gold_fallback.
2690         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2691         (Errors::fallback): New function.
2692         (gold_fallback): New function.
2693         * errors.h (Errors::fallback): New function.
2694         * gold.cc (gold_exit): Change status parameter to enum; adjust
2695         all callers.
2696         (queue_initial_tasks): Call gold_fallback.
2697         * gold.h: Include cstdlib.
2698         (Exit_status): New enum type.
2699         (gold_exit): Change status parameter to enum.
2700         (gold_fallback): New function.
2701         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2702         (Layout::create_symtab_sections): Likewise.
2703         (Layout::create_shdrs): Likewise.
2704         * main.cc (main): Adjust call to gold_exit.
2705         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2706         (Output_data_got::add_got_entry_pair): Likewise.
2707         (Output_section::add_input_section): Likewise.
2708         (Output_section::add_output_section_data): Likewise.
2709         (Output_segment::set_section_list_addresses): Likewise.
2710         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2711
2712 2011-06-07  Cary Coutant  <ccoutant@google.com>
2713
2714         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2715         for incremental links.
2716         * output.cc (Output_segment::set_section_list_addresses): Remove
2717         FIXME and test for TLS or BSS.
2718
2719 2011-06-07  Cary Coutant  <ccoutant@google.com>
2720
2721         * testsuite/Makefile.am: Add incremental_copy_test,
2722         incremental_common_test_1.
2723         * testsuite/Makefile.in: Regenerate.
2724         * testsuite/common_test_1_v1.c: New source file.
2725         * testsuite/common_test_1_v2.c: New source file.
2726         * testsuite/copy_test_v1.cc: New source file.
2727
2728 2011-06-07  Cary Coutant  <ccoutant@google.com>
2729
2730         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2731         update, allocate common from bss section's free list.
2732         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2733         linker-defined symbols.
2734         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2735         Skip GOT and PLT entries that are no longer referenced.
2736         (Output_section_incremental_inputs::write_info_blocks): Mark
2737         linker-defined symbols.
2738         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2739         * output.cc (Output_section::allocate): New function.
2740         * output.h (Output_section::allocate): New function.
2741         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2742         linker-defined symbols.
2743         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2744         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2745         (Symbol::init_base_output_data): Likewise.
2746         (Symbol::init_base_output_segment): Likewise.
2747         (Symbol::init_base_constant): Likewise.
2748         (Sized_symbol::init_output_data): Likewise.
2749         (Sized_symbol::init_output_segment): Likewise.
2750         (Sized_symbol::init_constant): Likewise.
2751         (Symbol_table::do_define_in_output_data): Likewise.
2752         (Symbol_table::do_define_in_output_segment): Likewise.
2753         (Symbol_table::do_define_as_constant): Likewise.
2754         * symtab.h (Symbol::is_predefined): New function.
2755         (Symbol::init_base_output_data): Add is_predefined parameter.
2756         (Symbol::init_base_output_segment): Likewise.
2757         (Symbol::init_base_constant): Likewise.
2758         (Symbol::is_predefined_): New data member.
2759         (Sized_symbol::init_output_data): Add is_predefined parameter.
2760         (Sized_symbol::init_output_segment): Likewise.
2761         (Sized_symbol::init_constant): Likewise.
2762         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2763
2764 2011-06-07  Cary Coutant  <ccoutant@google.com>
2765
2766         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2767         instead of emit_copy_reloc.
2768         (Copy_relocs::emit_copy_reloc): Refactor.
2769         (Copy_relocs::make_copy_reloc): New function.
2770         (Copy_relocs::add_copy_reloc): Remove.
2771         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2772         section.
2773         (Copy_relocs::make_copy_reloc): New function.
2774         (Copy_relocs::add_copy_reloc): Remove.
2775         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2776         unchanged input files.
2777         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2778         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2779         Reserve BSS space for COPY relocations.
2780         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2781         (Output_section_incremental_inputs::write_info_blocks): Record
2782         whether a symbol is copied from a shared object.
2783         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2784         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2785         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2786         (Incremental_input_entry_reader::get_output_symbol_index): Add
2787         is_copy parameter.
2788         (Incremental_binary::emit_copy_relocs): New function.
2789         (Incremental_binary::do_emit_copy_relocs): New function.
2790         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2791         new data member.
2792         (Sized_incremental_binary::add_copy_reloc): New function.
2793         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2794         (Sized_incremental_binary::Copy_reloc): New struct.
2795         (Sized_incremental_binary::Copy_relocs): New typedef.
2796         (Sized_incremental_binary::copy_relocs_): New data member.
2797         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2798         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2799         * target.h (Sized_target::emit_copy_reloc): New function.
2800         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2801
2802 2011-06-02  Cary Coutant  <ccoutant@google.com>
2803
2804         PR gold/12163
2805         * gold/archive.cc (Archive::Archive): Initialize new data member.
2806         (Archive::include_all_members): Return if archive has already been
2807         included.
2808         * gold/archive.h (Archive::include_all_members_): New data member.
2809
2810 2011-06-02  Nick Clifton  <nickc@redhat.com>
2811
2812         * dynobj.h: Fix spelling mistake in comment.
2813         * output.cc: Likewise.
2814
2815 2011-05-31  Doug Kwan  <dougkwan@google.com>
2816             Asier Llano
2817
2818         PR gold/12826
2819         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2820         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2821         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2822         redundant arm_exidx_test.so.
2823         * testsuite/Makefile.in: Regenerate.
2824         (check_SCRIPTS): Add pr12826.sh
2825         (check_DATA): Add pr12826.stdout
2826         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2827         * testsuite/pr12826.sh: New file.
2828         * testsuite/pr12826_1.s: Ditto.
2829         * testsuite/pr12826_1.s: Ditto.
2830
2831 2011-05-30  Ian Lance Taylor  <iant@google.com>
2832
2833         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2834         sections.
2835
2836 2011-05-29  Ian Lance Taylor  <iant@google.com>
2837
2838         PR gold/12804
2839         * testsuite/Makefile.am: Use different file name for two_file_test
2840         temporary file for each incremental test.
2841         * testsuite/Makefile.in: Rebuild.
2842
2843 2011-05-29  Ian Lance Taylor  <iant@google.com>
2844
2845         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2846         binary input file is empty.
2847
2848 2011-05-27  Ian Lance Taylor  <iant@google.com>
2849
2850         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2851         (ver_test_9.so): Likewise.
2852         * testsuite/Makefile.in: Rebuild.
2853
2854 2011-05-26 Cary Coutant  <ccoutant@google.com>
2855
2856         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2857         * incremental.cc (Incremental_inputs::report_input_section): Fix
2858         comment, indentation.
2859         (Incremental_inputs::report_comdat_group): New function.
2860         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2861         of data for incremental input file entry.
2862         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2863         group count, COMDAT group signatures.
2864         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2865         an unchanged input file.
2866         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2867         Initialize new data member.
2868         (Incremental_object_entry::add_comdat_group): New function.
2869         (Incremental_object_entry::get_comdat_group_count): New function.
2870         (Incremental_object_entry::get_comdat_signature_key): New function.
2871         (Incremental_object_entry::groups_): New data member.
2872         (Incremental_inputs::report_comdat_group): New function.
2873         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2874         data for incremental input file entry.
2875         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2876         (Incremental_input_entry_reader::get_input_section): Adjust size of
2877         data for incremental input file entry.
2878         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2879         (Incremental_input_entry_reader::get_comdat_group_signature): New
2880         function.
2881         * object.cc (Sized_relobj::include_section_group): Report kept
2882         COMDAT groups for incremental links.
2883
2884 2011-05-24  David Meyer  <pdox@google.com>
2885
2886         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2887         with name parameter.  Add found_name parameter.
2888         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2889         * dirsearch.h (class Dirsearch): Update declaration.
2890
2891 2011-05-24  Ian Lance Taylor  <iant@google.com>
2892
2893         * archive.cc (Library_base::should_include_member): Pull in object
2894         from archive if it defines the entry symbol.
2895         * parameters.cc (Parameters::entry): New function.
2896         * parameters.h (class Parameters): Declare entry.
2897         * output.h (class Output_file_header): Remove entry_ field.
2898         * output.cc (Output_file_header::Output_file_header): Remove entry
2899         parameter.  Change all callers.
2900         (Output_file_header::entry): Use parameters->entry.
2901         * gold.cc (queue_middle_tasks): Likewise.
2902         * plugin.cc (Plugin_hook::run): Likewise.
2903
2904 2011-05-24 Cary Coutant  <ccoutant@google.com>
2905
2906         * gold.cc (queue_initial_tasks): Pass incremental base filename
2907         to Output_file::open_base_file; don't print error message.
2908         * incremental-dump.cc (main): Adjust call to
2909         Output_file::open_for_modification.
2910         * incremental-dump.cc (main): Likewise.
2911         * incremental.cc (Incremental_inputs::report_command_line):
2912         Ignore --incremental-base option when comparing command lines.
2913         Ignore parameter when given as separate argument.
2914         * options.h (class General_options): Add --incremental-base.
2915         * output.cc (Output_file::Output_file):
2916         (Output_file::open_base_file): Add base_name and writable parameters;
2917         read base file into new file; print error message here.
2918         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2919         callers.
2920         * output.h (Output_file::open_for_modification): Rename to...
2921         (Output_file::open_base_file): ...this; add base_name and
2922         writable parameters; adjust all callers.
2923         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2924         callers.
2925         * testsuite/Makefile.am (incremental_test_4): Test
2926         --incremental-base.
2927         * testsuite/Makefile.in: Regenerate.
2928
2929 2011-05-24 Cary Coutant  <ccoutant@google.com>
2930
2931         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2932         incremental_test_4.
2933         * testsuite/Makefile.in: Regenerate.
2934         * testsuite/two_file_test_1_v1.cc: New test source file.
2935         * testsuite/two_file_test_1b_v1.cc: New test source file.
2936         * testsuite/two_file_test_2_v1.cc: New test source file.
2937
2938 2011-05-24 Cary Coutant  <ccoutant@google.com>
2939
2940         * dynobj.h (Dynobj::do_dynobj): New function.
2941         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2942         flag and soname for shared objects.
2943         * incremental.cc (Incremental_inputs::report_object): Make
2944         either Incremental_object_entry or Incremental_dynobj_entry; add
2945         soname to string table.
2946         (Incremental_inputs::report_input_section): Add assertion.
2947         (Output_section_incremental_inputs::set_final_data_size): Adjust
2948         type of input file entry for shared libraries; adjust size of
2949         shared library info entry.
2950         (Output_section_incremental_inputs::write_input_files): Write
2951         as_needed flag for shared libraries.
2952         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2953         of input file entry for shared libraries; write soname.
2954         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2955         soname from incremental info.
2956         * incremental.h (enum Incremental_input_flags): Add
2957         INCREMENTAL_INPUT_AS_NEEDED.
2958         (Incremental_input_entry::Incremental_input_entry): Initialize new
2959         data member.
2960         (Incremental_input_entry::set_as_needed): New function.
2961         (Incremental_input_entry::as_needed): New function.
2962         (Incremental_input_entry::do_dynobj_entry): New function.
2963         (Incremental_input_entry::as_needed_): New data member.
2964         (Incremental_object_entry::Incremental_object_entry): Don't check
2965         for shared library.
2966         (Incremental_object_entry::do_type): Likewise.
2967         (class Incremental_dynobj_entry): New class.
2968         (Incremental_input_entry_reader::as_needed): New function.
2969         (Incremental_input_entry_reader::get_soname): New function.
2970         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2971         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2972         size of shared library info entry.
2973         * layout.cc (Layout::finish_dynamic_section): Don't test for
2974         incremental link when adding DT_NEEDED entries.
2975         * object.h (Object::Object): Initialize new data member.
2976         (Object::dynobj): New function.
2977         (Object::set_as_needed): New function.
2978         (Object::as_needed): New function.
2979         (Object::do_dynobj): New function.
2980         (Object::as_needed_): New data member.
2981
2982 2011-05-24 Cary Coutant  <ccoutant@google.com>
2983
2984         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2985         info; adjust display of GOT entries.
2986         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2987         vector of input objects; remove file_status_.
2988         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2989         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2990         got_plt reader; call target hooks to reserve GOT entries.
2991         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2992         of input file info header and GOT info entry.
2993         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2994         relocation info.
2995         (Got_plt_view_info::got_descriptor): Remove.
2996         (Got_plt_view_info::sym_index): New data member.
2997         (Got_plt_view_info::input_index): New data member.
2998         (Local_got_offset_visitor::visit): Write input file index.
2999         (Global_got_offset_visitor::visit): Write 0 for input file index.
3000         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3001         with sym_index and input_index.
3002         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3003         incremental info GOT entry; replace got_descriptor with input_index.
3004         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3005         map from input file index to object.
3006         (Sized_relobj_incr::do_layout): Replace direct data member reference
3007         with accessor function.
3008         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3009         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3010         Adjust size of input file info header.
3011         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3012         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3013         (Incremental_input_entry_reader::get_input_section): Adjust size of
3014         input file info header.
3015         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3016         of incremental info GOT entry.
3017         (Incremental_got_plt_reader::get_got_desc): Remove.
3018         (Incremental_got_plt_reader::get_got_symndx): New function.
3019         (Incremental_got_plt_reader::get_got_input_index): New function.
3020         (Sized_incremental_binary::Sized_incremental_binary): Remove
3021         file_status_; add input_objects_.
3022         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3023         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3024         (Sized_incremental_binary::file_is_unchanged): Remove.
3025         (Sized_incremental_binary::set_input_object): New function.
3026         (Sized_incremental_binary::input_object): New function.
3027         (Sized_incremental_binary::file_status_): Remove.
3028         (Sized_incremental_binary::input_objects_): New data member.
3029         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3030         references.
3031         (Sized_relobj_incr::invalid_address): Move to base class.
3032         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3033         class.
3034         (Sized_relobj_incr::do_output_section_offset): Likewise.
3035         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3036         (Sized_relobj_incr::section_offsets_): Likewise.
3037         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3038         function.
3039         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3040         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3041         with accessor function.
3042         (Sized_relobj_file::do_layout): Likewise.
3043         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3044         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3045         (Sized_relobj_file::compute_final_local_value): Replace refs to
3046         section_offsets_ with accessor function.
3047         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3048         * object.h (Relobj::Relobj): Initialize new data members.
3049         (Relobj::add_dyn_reloc): New function.
3050         (Relobj::first_dyn_reloc): New function.
3051         (Relobj::dyn_reloc_count): New function.
3052         (Relobj::first_dyn_reloc_): New data member.
3053         (Relobj::dyn_reloc_count_): New data member.
3054         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3055         references.
3056         (Sized_relobj::Address): New typedef.
3057         (Sized_relobj::invalid_address): Move here from child class.
3058         (Sized_relobj::Sized_relobj): Initialize new data members.
3059         (Sized_relobj::sized_relobj): New function.
3060         (Sized_relobj::is_output_section_offset_invalid): Move here from
3061         child class.
3062         (Sized_relobj::get_output_section_offset): Likewise.
3063         (Sized_relobj::local_has_got_offset): Likewise.
3064         (Sized_relobj::local_got_offset): Likewise.
3065         (Sized_relobj::set_local_got_offset): Likewise.
3066         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3067         (Sized_relobj::clear_got_offsets): New function.
3068         (Sized_relobj::section_offsets): Move here from child class.
3069         (Sized_relobj::do_output_section_offset): Likewise.
3070         (Sized_relobj::do_set_section_offset): Likewise.
3071         (Sized_relobj::Local_got_offsets): Likewise.
3072         (Sized_relobj::local_got_offsets_): Likewise.
3073         (Sized_relobj::section_offsets_): Likewise.
3074         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3075         references.
3076         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3077         class.
3078         (Sized_relobj_file::sized_relobj): New function
3079         (Sized_relobj_file::local_has_got_offset): Move to base class.
3080         (Sized_relobj_file::local_got_offset): Likewise.
3081         (Sized_relobj_file::set_local_got_offset): Likewise.
3082         (Sized_relobj_file::get_output_section_offset): Likewise.
3083         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3084         (Sized_relobj_file::do_output_section_offset): Likewise.
3085         (Sized_relobj_file::do_set_section_offset): Likewise.
3086         (Sized_relobj_file::Local_got_offsets): Likewise.
3087         (Sized_relobj_file::local_got_offsets_): Likewise.
3088         (Sized_relobj_file::section_offsets_): Likewise.
3089         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3090         (all constructors).
3091         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3092         (Output_reloc::get_symbol_index): Likewise.
3093         (Output_reloc::local_section_offset): Likewise.
3094         (Output_reloc::get_address): Likewise.
3095         (Output_reloc::symbol_value): Likewise.
3096         (Output_data_got::reserve_slot): Move to class definition.
3097         (Output_data_got::reserve_local): New function.
3098         (Output_data_got::reserve_slot_for_global): Remove.
3099         (Output_data_got::reserve_global): New function.
3100         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3101         (all constructors, two instantiations).
3102         (Output_reloc::get_relobj): New function (two instantiations).
3103         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3104         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3105         (Output_data_reloc::add_global): Adjust type of relobj.
3106         (Output_data_reloc::add_global_relative): Likewise.
3107         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3108         (Output_data_reloc::add_local): Likewise.
3109         (Output_data_reloc::add_local_relative): Likewise.
3110         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3111         (Output_data_reloc::add_local_section): Likewise.
3112         (Output_data_reloc::add_output_section): Likewise.
3113         (Output_data_reloc::add_absolute): Likewise.
3114         (Output_data_reloc::add_target_specific): Likewise.
3115         (Output_data_got::reserve_slot): Move definition here.
3116         (Output_data_got::reserve_local): New function.
3117         (Output_data_got::reserve_global): New function.
3118         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3119         section_offsets_ with accessor function.
3120         (Sized_relobj_file::write_sections): Likewise.
3121         (Sized_relobj_file::do_relocate_sections): Likewise.
3122         * target.h (Sized_target::reserve_local_got_entry): New function.
3123         (Sized_target::reserve_global_got_entry): New function.
3124         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3125         (Target_x86_64::reserve_global_got_entry): New function.
3126         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3127
3128 2011-05-23 Cary Coutant  <ccoutant@google.com>
3129
3130         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3131         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3132         bit when checking got_type.
3133         * incremental.cc (Sized_incremental_binary::setup_readers):
3134         Store symbol table and string table locations; initialize bit vector
3135         of file status flags.
3136         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3137         unchanged files.
3138         (Sized_incremental_binary::do_process_got_plt): New function.
3139         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3140         (Output_section_incremental_inputs::set_final_data_size): Record
3141         file index for each input file.
3142         (Output_section_incremental_inputs::write_got_plt): Store file index
3143         instead of input entry offset for each GOT entry.
3144         * incremental.h
3145         (Incremental_input_entry::Incremental_input_entry): Initialize new
3146         data member.
3147         (Incremental_input_entry::set_offset): Store file index.
3148         (Incremental_input_entry::get_file_index): New function.
3149         (Incremental_input_entry::file_index_): New data member.
3150         (Incremental_binary::process_got_plt): New function.
3151         (Incremental_binary::do_process_got_plt): New function.
3152         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3153         data members.
3154         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3155         (Sized_incremental_binary::set_file_is_unchanged): New function.
3156         (Sized_incremental_binary::file_is_unchanged): New function.
3157         (Sized_incremental_binary::do_process_got_plt): New function.
3158         (Sized_incremental_binary::file_status_): New data member.
3159         (Sized_incremental_binary::main_symtab_loc_): New data member.
3160         (Sized_incremental_binary::main_strtab_loc_): New data member.
3161         * output.cc (Output_data_got::Got_entry::write): Add case
3162         RESERVED_CODE.
3163         (Output_data_got::add_global): Call add_got_entry.
3164         (Output_data_got::add_global_plt): Likewise.
3165         (Output_data_got::add_global_with_rel): Likewise.
3166         (Output_data_got::add_global_with_rela): Likewise.
3167         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3168         (Output_data_got::add_global_pair_with_rela): Likewise.
3169         (Output_data_got::add_local): Call add_got_entry.
3170         (Output_data_got::add_local_plt): Likewise.
3171         (Output_data_got::add_local_with_rel): Likewise.
3172         (Output_data_got::add_local_with_rela): Likewise.
3173         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3174         (Output_data_got::add_local_pair_with_rela): Likewise.
3175         (Output_data_got::reserve_slot): New function.
3176         (Output_data_got::reserve_slot_for_global): New function.
3177         (Output_data_got::add_got_entry): New function.
3178         (Output_data_got::add_got_entry_pair): New function.
3179         (Output_section::add_output_section_data): Edit FIXME.
3180         * output.h
3181         (Output_section_data_build::Output_section_data_build): New
3182         constructor with size parameter.
3183         (Output_data_space::Output_data_space): Likewise.
3184         (Output_data_got::Output_data_got): Initialize new data member; new
3185         constructor with size parameter.
3186         (Output_data_got::add_constant): Call add_got_entry.
3187         (Output_data_got::reserve_slot): New function.
3188         (Output_data_got::reserve_slot_for_global): New function.
3189         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3190         (Output_data_got::add_got_entry): New function.
3191         (Output_data_got::add_got_entry_pair): New function.
3192         (Output_data_got::free_list_): New data member.
3193         * target.h (Sized_target::init_got_plt_for_update): New function.
3194         (Sized_target::register_global_plt_entry): New function.
3195         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3196         Initialize new data member; call init; add constructor with PLT count.
3197         (Output_data_plt_x86_64::init): New function.
3198         (Output_data_plt_x86_64::add_relocation): New function.
3199         (Output_data_plt_x86_64::reserve_slot): New function.
3200         (Output_data_plt_x86_64::free_list_): New data member.
3201         (Target_x86_64::init_got_plt_for_update): New function.
3202         (Target_x86_64::register_global_plt_entry): New function.
3203         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3204         incremental updates.
3205         (Output_data_plt_x86_64::add_relocation): New function.
3206         * testsuite/object_unittest.cc (Object_test): Set default options.
3207
3208 2011-05-16  Ian Lance Taylor  <iant@google.com>
3209
3210         * options.h (class General_options): Make -i a synonym for -r.
3211
3212 2011-05-16  Ian Lance Taylor  <iant@google.com>
3213
3214         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3215
3216 2011-05-10 Cary Coutant  <ccoutant@google.com>
3217
3218         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3219         strip_all (-s).
3220
3221 2011-05-06  Ian Lance Taylor  <iant@google.com>
3222
3223         * layout.cc (Layout::layout): If the output section flags change,
3224         update the ordering.
3225
3226 2011-04-25 Cary Coutant  <ccoutant@google.com>
3227
3228         * incremental-dump.cc (dump_incremental_inputs): Print local
3229         symbol info for each input file.
3230         * incremental.cc
3231         (Output_section_incremental_inputs::set_final_data_size): Add local
3232         symbol info to input file entries in incremental info.
3233         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3234         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3235         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3236         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3237         implementation.
3238         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3239         (Sized_incr_relobj::do_relocate): Write the local symbols.
3240         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3241         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3242         Adjust size of input file header.
3243         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3244         (Incremental_inputs_reader::get_local_symbol_count): New function.
3245         (Incremental_inputs_reader::get_input_section): Adjust size of input
3246         file header.
3247         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3248         (Sized_incr_relobj::This): New typedef.
3249         (Sized_incr_relobj::sym_size): New const data member.
3250         (Sized_incr_relobj::Local_symbol): New struct.
3251         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3252         (Sized_incr_relobj::do_local_symbol_offset): New function.
3253         (Sized_incr_relobj::local_symbol_count_): New data member.
3254         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3255         (Sized_incr_relobj::local_symbol_index_): New data member.
3256         (Sized_incr_relobj::local_symbol_offset_): New data member.
3257         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3258         (Sized_incr_relobj::local_symbols_): New data member.
3259         * object.h (Relobj::output_local_symbol_count): New function.
3260         (Relobj::local_symbol_offset): New function.
3261         (Relobj::do_output_local_symbol_count): New function.
3262         (Relobj::do_local_symbol_offset): New function.
3263         (Sized_relobj::do_output_local_symbol_count): New function.
3264         (Sized_relobj::do_local_symbol_offset): New function.
3265
3266 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3267
3268         * descriptors.cc (set_close_on_exec): New function.
3269         (Descriptors::open): Use set_close_on_exec.
3270         * output.cc (S_ISLNK): Define if not defined.
3271
3272 2011-04-22 Cary Coutant  <ccoutant@google.com>
3273
3274         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3275         global symbol map.
3276         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3277         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3278         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3279         relocations.
3280         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3281         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3282         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3283         * incremental.h
3284         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3285         function.
3286         (Incremental_binary::apply_incremental_relocs): New function.
3287         (Incremental_binary::do_apply_incremental_relocs): New function.
3288         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3289         data member.
3290         (Sized_incremental_binary::add_global_symbol): New function.
3291         (Sized_incremental_binary::global_symbol): New function.
3292         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3293         (Sized_incremental_binary::symbol_map_): New data member.
3294         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3295         * target.h (Sized_target::apply_relocation): New function.
3296         * target-reloc.h (apply_relocation): New function.
3297         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3298
3299 2011-04-22  Doug Kwan  <dougkwan@google.com>
3300
3301         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3302         flag of a SHT_ARM_EXIDX section.
3303         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3304         * testsuite/Makefile.in: Regenerate.
3305         * testsuite/arm_exidx_test.s: New file.
3306         * testsuite/arm_exidx_test.sh: Same.
3307
3308 2011-04-20 Cary Coutant  <ccoutant@google.com>
3309
3310         PR gold/12689
3311         * archive.h (Incremental_archive_entry::Archive_member):
3312         Initialize arg_serial_ (second constructor).
3313
3314 2011-04-17  Ian Lance Taylor  <iant@google.com>
3315
3316         * object.cc (Relocate_info::location): Simplify location string.
3317         * errors.cc (Errors::error_at_location): Don't print program
3318         name.
3319         (Errors::warning_at_location): Likewise.
3320         (Errors::undefined_symbol): Likewise.
3321         * testsuite/debug_msg.sh: Update accordingly.
3322
3323 2011-04-14 Cary Coutant  <ccoutant@google.com>
3324
3325         * gold/layout.cc (Layout::symtab_section_offset): New function.
3326         * gold/layout.h (Layout::symtab_section_offset): New function.
3327         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3328
3329 2011-04-12  Ian Lance Taylor  <iant@google.com>
3330
3331         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3332         with MREMAP_MAYMOVE.
3333         * output.h (class Output_file): Add map_is_allocated_ field.
3334         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3335         not available, provide stubs.  If mremap is not available, #define
3336         it to gold_mremap.
3337         (MREMAP_MAYMOVE): Define if not defined.
3338         (Output_file::Output_file): Initialize map_is_allocated_.
3339         (Output_file::resize): Check map_is_allocated_.
3340         (Output_file::map_anonymous): If mmap fails, use malloc.
3341         (Output_file::unmap): Don't do anything for an anonymous map.
3342         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3343         is not available, provide stubs.
3344         (File_read::View::~View): Use free rather than delete[].
3345         (File_read::make_view): Use malloc rather than new[].  If mmap
3346         fails, use malloc.
3347         (File_read::find_or_make_view): Use malloc rather than new[].
3348         * gold.h: Remove HAVE_REMAP code.
3349         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3350         exists.  Rename mremap to gold_mremap.  If mmap is not available
3351         don't do anything.
3352         * configure, config.in: Rebuild.
3353
3354 2011-04-11  Ian Lance Taylor  <iant@google.com>
3355
3356         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3357         initialize local variable v.
3358
3359 2011-04-11  Cary Coutant  <ccoutant@google.com>
3360
3361         * archive.cc (Archive::include_member): Adjust call to
3362         report_object.
3363         (Add_archive_symbols::run): Track argument serial numbers.
3364         (Lib_group::include_member): Likewise.
3365         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3366         * archive.h (Incremental_archive_entry::Archive_member):
3367         Initialize arg_serial_.
3368         (Archive_member::arg_serial_): New data member.
3369         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3370         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3371         incremental link.
3372         (Sized_dynobj::do_for_all_local_got_entries): New function.
3373         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3374         function.
3375         * fileread.cc (get_mtime): New function.
3376         * fileread.h (get_mtime): New function.
3377         * gold.cc (queue_initial_tasks): Check for incremental update.
3378         (process_incremental_input): New function.
3379         (queue_middle_tasks): Don't force valid target for incremental
3380         update.
3381         * incremental-dump.cc (find_input_containing_global): Adjust
3382         size of symbol info entry.
3383         (dump_incremental_inputs): Dump argument serial number and
3384         in_system_directory flag; bias shndx by 1; print symbol names
3385         when dumping per-file symbol lists; use new symbol info readers.
3386         * incremental.cc
3387         (Output_section_incremental_inputs:update_data_size): New function.
3388         (Sized_incremental_binary::setup_readers): Setup input readers
3389         for each input file; build maps for files added from libraries
3390         and scripts.
3391         (Sized_incremental_binary::check_input_args): New function.
3392         (Sized_incremental_binary::do_check_inputs): Build map of argument
3393         serial numbers to input arguments.
3394         (Sized_incremental_binary::do_file_has_changed): Rename
3395         do_file_is_unchanged to this; compare file modification times.
3396         (Sized_incremental_binary::do_init_layout): New function.
3397         (Sized_incremental_binary::do_reserve_layout): New function.
3398         (Sized_incremental_binary::do_get_input_reader): Remove.
3399         (Sized_incremental_binary::get_symtab_view): New function.
3400         (Incremental_checker::can_incrementally_link_output_file): Remove.
3401         (Incremental_inputs::report_command_line): Exclude --debug options.
3402         (Incremental_inputs::report_archive_begin): Add parameter; track
3403         argument serial numbers; don't put input file entry for archive
3404         before archive members.
3405         (Incremental_inputs::report_archive_end): Put input file entry
3406         for archive after archive members.
3407         (Incremental_inputs::report_object): Add parameter; track argument
3408         serial numbers and in_system_directory flag.
3409         (Incremental_inputs::report_script): Add parameter; track argument
3410         serial numbers.
3411         (Output_section_incremental_inputs::set_final_data_size): Adjust
3412         size of symbol info entry; check for forwarding symbols.
3413         (Output_section_incremental_inputs::write_input_files): Write
3414         in_system_directory flag and argument serial number.
3415         (Output_section_incremental_inputs::write_info_blocks): Map section
3416         indices between incremental info and original input file; store
3417         input section index for each symbol.
3418         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3419         change operator() to visit().
3420         (class Global_got_offset_visitor): Likewise.
3421         (class Global_symbol_visitor_got_plt):
3422         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3423         classes.
3424         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3425         (Sized_incr_relobj::do_read_symbols): New function.
3426         (Sized_incr_relobj::do_layout): New function.
3427         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3428         (Sized_incr_relobj::do_add_symbols): New function.
3429         (Sized_incr_relobj::do_should_include_member): New function.
3430         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3431         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3432         (Sized_incr_relobj::do_section_size): New function.
3433         (Sized_incr_relobj::do_section_name): New function.
3434         (Sized_incr_relobj::do_section_contents): New function.
3435         (Sized_incr_relobj::do_section_flags): New function.
3436         (Sized_incr_relobj::do_section_entsize): New function.
3437         (Sized_incr_relobj::do_section_address): New function.
3438         (Sized_incr_relobj::do_section_type): New function.
3439         (Sized_incr_relobj::do_section_link): New function.
3440         (Sized_incr_relobj::do_section_info): New function.
3441         (Sized_incr_relobj::do_section_addralign): New function.
3442         (Sized_incr_relobj::do_initialize_xindex): New function.
3443         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3444         (Sized_incr_relobj::do_read_relocs): New function.
3445         (Sized_incr_relobj::do_gc_process_relocs): New function.
3446         (Sized_incr_relobj::do_scan_relocs): New function.
3447         (Sized_incr_relobj::do_count_local_symbols): New function.
3448         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3449         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3450         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3451         (Sized_incr_relobj::do_relocate): New function.
3452         (Sized_incr_relobj::do_set_section_offset): New function.
3453         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3454         (Sized_incr_dynobj::do_read_symbols): New function.
3455         (Sized_incr_dynobj::do_layout): New function.
3456         (Sized_incr_dynobj::do_add_symbols): New function.
3457         (Sized_incr_dynobj::do_should_include_member): New function.
3458         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3459         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3460         (Sized_incr_dynobj::do_section_size): New function.
3461         (Sized_incr_dynobj::do_section_name): New function.
3462         (Sized_incr_dynobj::do_section_contents): New function.
3463         (Sized_incr_dynobj::do_section_flags): New function.
3464         (Sized_incr_dynobj::do_section_entsize): New function.
3465         (Sized_incr_dynobj::do_section_address): New function.
3466         (Sized_incr_dynobj::do_section_type): New function.
3467         (Sized_incr_dynobj::do_section_link): New function.
3468         (Sized_incr_dynobj::do_section_info): New function.
3469         (Sized_incr_dynobj::do_section_addralign): New function.
3470         (Sized_incr_dynobj::do_initialize_xindex): New function.
3471         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3472         (make_sized_incremental_object): New function.
3473         (Incremental_library::copy_unused_symbols): New function.
3474         (Incremental_library::do_for_all_unused_symbols): New function.
3475         * incremental.h (enum Incremental_input_flags): New type.
3476         (class Incremental_checker): Remove.
3477         (Incremental_input_entry::Incremental_input_entry): Add argument
3478         serial number.
3479         (Incremental_input_entry::arg_serial): New function.
3480         (Incremental_input_entry::set_is_in_system_directory): New function.
3481         (Incremental_input_entry::is_in_system_directory): New function.
3482         (Incremental_input_entry::arg_serial_): New data member.
3483         (Incremental_input_entry::is_in_system_directory_): New data member.
3484         (class Script_info): Move here from script.h.
3485         (Script_info::Script_info): Add filename parameter.
3486         (Script_info::filename): New function.
3487         (Script_info::filename_): New data member.
3488         (Incremental_script_entry::Incremental_script_entry): Add argument
3489         serial number.
3490         (Incremental_object_entry::Incremental_object_entry): Likewise.
3491         (Incremental_object_entry::add_input_section): Build list of input
3492         sections with map to original shndx.
3493         (Incremental_object_entry::get_input_section_index): New function.
3494         (Incremental_object_entry::shndx_): New data member.
3495         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3496         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3497         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3498         serial number.
3499         (Incremental_inputs::report_archive_begin): Likewise.
3500         (Incremental_inputs::report_object): Likewise.
3501         (Incremental_inputs::report_script): Likewise.
3502         (class Incremental_global_symbol_reader): New class.
3503         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3504         and store flags and input file type.
3505         (Incremental_input_entry_reader::arg_serial): New function.
3506         (Incremental_input_entry_reader::type): Extract type from flags.
3507         (Incremental_input_entry_reader::is_in_system_directory): New function.
3508         (Incremental_input_entry_reader::get_input_section_count): Call
3509         accessor function for type.
3510         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3511         function for type; adjust size of global symbol entry.
3512         (Incremental_input_entry_reader::get_global_symbol_count): Call
3513         accessor function for type.
3514         (Incremental_input_entry_reader::get_object_count): Likewise.
3515         (Incremental_input_entry_reader::get_object_offset): Likewise.
3516         (Incremental_input_entry_reader::get_member_count): Likewise.
3517         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3518         (Incremental_input_entry_reader::get_member_offset): Likewise.
3519         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3520         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3521         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3522         (Incremental_input_entry_reader::get_global_symbol_reader): New
3523         function.
3524         (Incremental_input_entry_reader::get_output_symbol_index): New
3525         function.
3526         (Incremental_input_entry_reader::type_): Remove.
3527         (Incremental_input_entry_reader::flags_): New data member.
3528         (Incremental_inputs_reader::input_file_offset): New function.
3529         (Incremental_inputs_reader::input_file_index): New function.
3530         (Incremental_inputs_reader::input_file): Call input_file_offset.
3531         (Incremental_inputs_reader::input_file_at_offset): New function.
3532         (Incremental_relocs_reader::get_r_type): Reformat.
3533         (Incremental_relocs_reader::get_r_shndx): Reformat.
3534         (Incremental_relocs_reader::get_r_offset): Reformat.
3535         (Incremental_relocs_reader::data): New function.
3536         (Incremental_binary::Incremental_binary): Initialize new data members.
3537         (Incremental_binary::check_inputs): Add cmdline parameter.
3538         (Incremental_binary::file_is_unchanged): Remove.
3539         (Input_reader::arg_serial): New function.
3540         (Input_reader::get_unused_symbol_count): New function.
3541         (Input_reader::get_unused_symbol): New function.
3542         (Input_reader::do_arg_serial): New function.
3543         (Input_reader::do_get_unused_symbol_count): New function.
3544         (Input_reader::do_get_unused_symbol): New function.
3545         (Incremental_binary::input_file_count): New function.
3546         (Incremental_binary::get_input_reader): Change signature to use
3547         index instead of filename.
3548         (Incremental_binary::file_has_changed): New function.
3549         (Incremental_binary::get_input_argument): New function.
3550         (Incremental_binary::get_library): New function.
3551         (Incremental_binary::get_script_info): New function.
3552         (Incremental_binary::init_layout): New function.
3553         (Incremental_binary::reserve_layout): New function.
3554         (Incremental_binary::output_file): New function.
3555         (Incremental_binary::do_check_inputs): New function.
3556         (Incremental_binary::do_file_is_unchanged): Remove.
3557         (Incremental_binary::do_file_has_changed): New function.
3558         (Incremental_binary::do_init_layout): New function.
3559         (Incremental_binary::do_reserve_layout): New function.
3560         (Incremental_binary::do_input_file_count): New function.
3561         (Incremental_binary::do_get_input_reader): Change signature.
3562         (Incremental_binary::input_args_map_): New data member.
3563         (Incremental_binary::library_map_): New data member.
3564         (Incremental_binary::script_map_): New data member.
3565         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3566         new data members.
3567         (Sized_incremental_binary::output_section): New function.
3568         (Sized_incremental_binary::inputs_reader): Add const.
3569         (Sized_incremental_binary::symtab_reader): Add const.
3570         (Sized_incremental_binary::relocs_reader): Add const.
3571         (Sized_incremental_binary::got_plt_reader): Add const.
3572         (Sized_incremental_binary::get_symtab_view): New function.
3573         (Sized_incremental_binary::Inputs_reader): New typedef.
3574         (Sized_incremental_binary::Input_entry_reader): New typedef.
3575         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3576         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3577         (Sized_incremental_binary::do_file_has_changed): New function.
3578         (Sized_incremental_binary::do_init_layout): New function.
3579         (Sized_incremental_binary::do_reserve_layout): New function.
3580         (Sized_input_reader::Inputs_reader): Remove.
3581         (Sized_input_reader::Input_entry_reader): Remove.
3582         (Sized_input_reader::do_arg_serial): New function.
3583         (Sized_input_reader::do_get_unused_symbol_count): New function.
3584         (Sized_input_reader::do_get_unused_symbol): New function.
3585         (Sized_incremental_binary::do_input_file_count): New function.
3586         (Sized_incremental_binary::do_get_input_reader): Change signature;
3587         use index instead of filename.
3588         (Sized_incremental_binary::section_map_): New data member.
3589         (Sized_incremental_binary::input_entry_readers_): New data member.
3590         (class Sized_incr_relobj): New class.
3591         (class Sized_incr_dynobj): New class.
3592         (make_sized_incremental_object): New function.
3593         (class Incremental_library): New class.
3594         * layout.cc (Free_list::num_lists): New static data member.
3595         (Free_list::num_nodes): New static data member.
3596         (Free_list::num_removes): New static data member.
3597         (Free_list::num_remove_visits): New static data member.
3598         (Free_list::num_allocates): New static data member.
3599         (Free_list::num_allocate_visits): New static data member.
3600         (Free_list::init): New function.
3601         (Free_list::remove): New function.
3602         (Free_list::allocate): New function.
3603         (Free_list::dump): New function.
3604         (Free_list::print_stats): New function.
3605         (Layout_task_runner::run): Resize output file for incremental updates.
3606         (Layout::Layout): Initialize new data members.
3607         (Layout::set_incremental_base): New function.
3608         (Layout::init_fixed_output_section): New function.
3609         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3610         incremental updates.
3611         (Layout::create_gold_note): Do not create gold note section for
3612         incremental updates.
3613         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3614         for incremental updates.
3615         (Layout::set_section_offsets): For incremental updates, allocate space
3616         from free list.
3617         (Layout::create_symtab_sections): Layout with offsets relative to
3618         start of section; for incremental updates, allocate space from free
3619         list.
3620         (Layout::create_shdrs): For incremental updates, allocate space from
3621         free list.
3622         (Layout::finish_dynamic_section): For incremental updates, do not
3623         check --as-needed (fixed in subsequent patch).
3624         * layout.h (class Free_list): New class.
3625         (Layout::set_incremental_base): New function.
3626         (Layout::incremental_base): New function.
3627         (Layout::init_fixed_output_section): New function.
3628         (Layout::allocate): New function.
3629         (Layout::incremental_base_): New data member.
3630         (Layout::free_list_): New data member.
3631         * main.cc (main): Print Free_list statistics.
3632         * object.cc (Relobj::finalize_incremental_relocs): Add
3633         clear_counts parameter; clear counts only when clear_counts is set.
3634         (Sized_relobj::Sized_relobj): Initialize new base class.
3635         (Sized_relobj::do_layout): Don't report special sections.
3636         (Sized_relobj::do_for_all_local_got_entries): New function.
3637         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3638         symtab_off to all symbol table offsets.
3639         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3640         * object.h (class Got_offset_list): Move to top of file.
3641         (Object::Object): Allow case where input_file == NULL.
3642         (Object::~Object): Likewise.
3643         (Object::input_file): Assert that input_file != NULL.
3644         (Object::lock): Allow case where input_file == NULL.
3645         (Object::unlock): Likewise.
3646         (Object::is_locked): Likewise.
3647         (Object::token): Likewise.
3648         (Object::release): Likewise.
3649         (Object::is_incremental): New function.
3650         (Object::get_mtime): New function.
3651         (Object::for_all_local_got_entries): New function.
3652         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3653         (Object::set_is_in_system_directory): New function.
3654         (Object::is_in_system_directory): New function.
3655         (Object::do_is_incremental): New function.
3656         (Object::do_get_mtime): New function.
3657         (Object::do_for_all_local_got_entries): New function.
3658         (Object::is_in_system_directory_): New data member.
3659         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3660         (class Sized_relobj_base): New class.
3661         (class Sized_relobj): Derive from Sized_relobj_base.
3662         (class Sized_relobj::Symbols): Redeclare from base class.
3663         (class Sized_relobj::local_got_offset_list): Remove.
3664         (class Sized_relobj::Output_sections): Redeclare from base class.
3665         (class Sized_relobj::do_for_all_local_got_entries): New function.
3666         (class Sized_relobj::write_local_symbols): Add offset parameter.
3667         (class Sized_relobj::local_symbol_offset_): Update comment.
3668         (class Sized_relobj::local_dynsym_offset_): Update comment.
3669         * options.cc (Input_arguments::add_file): Remove const.
3670         * options.h (Input_file_argument::Input_file_argument):
3671         Initialize arg_serial_ (all constructors).
3672         (Input_file_argument::set_arg_serial): New function.
3673         (Input_file_argument::arg_serial): New function.
3674         (Input_file_argument::arg_serial_): New data member.
3675         (Input_arguments::Input_arguments): Initialize file_count_.
3676         (Input_arguments::add_file): Remove const.
3677         (Input_arguments::number_of_input_files): New function.
3678         (Input_arguments::file_count_): New data member.
3679         (Command_line::number_of_input_files): Call
3680         Input_arguments::number_of_input_files.
3681         * output.cc (Output_segment_headers::Output_segment_headers):
3682         Set current size.
3683         (Output_section::Input_section::current_data_size): New function.
3684         (Output_section::Output_section): Initialize new data members.
3685         (Output_section::add_input_section): Don't do merge sections for
3686         an incremental link; allocate space from free list for an
3687         incremental update.
3688         (Output_section::add_output_section_data): Allocate space from
3689         free list for an incremental update.
3690         (Output_section::update_data_size): New function.
3691         (Output_section::set_fixed_layout): New function.
3692         (Output_section::reserve): New function.
3693         (Output_segment::set_section_addresses): Remove const.
3694         (Output_segment::set_section_list_addresses): Remove const; allocate
3695         space from free list for an incremental update.
3696         (Output_segment::set_offset): Adjust size of RELRO segment for an
3697         incremental update.
3698         * output.h (Output_data::current_data_size): Move here from
3699         child classes.
3700         (Output_data::pre_finalize_data_size): New function.
3701         (Output_data::update_data_size): New function.
3702         (Output_section_headers::update_data_size): new function.
3703         (Output_section_data_build::current_data_size): Move to Output_data.
3704         (Output_data_strtab::update_data_size): New function.
3705         (Output_section::current_data_size): Move to Output_data.
3706         (Output_section::set_fixed_layout): New function.
3707         (Output_section::has_fixed_layout): New function.
3708         (Output_section::reserve): New function.
3709         (Output_section::update_data_size): New function.
3710         (Output_section::has_fixed_layout_): New data member.
3711         (Output_section::free_list_): New data member.
3712         (Output_segment::set_section_addresses): Remove const.
3713         (Output_segment::set_section_list_addresses): Remove const.
3714         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3715         New function.
3716         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3717         New function.
3718         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3719         parameter when calling Add_symbols constructor; store argument
3720         serial number for members of a lib group.
3721         (Add_symbols::locks): Allow case where token == NULL.
3722         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3723         (Read_member::~Read_member): New function.
3724         (Read_member::is_runnable): New function.
3725         (Read_member::locks): New function.
3726         (Read_member::run): New function.
3727         (Check_script::~Check_script): New function.
3728         (Check_script::is_runnable): New function.
3729         (Check_script::locks): New function.
3730         (Check_script::run): New function.
3731         (Check_library::~Check_library): New function.
3732         (Check_library::is_runnable): New function.
3733         (Check_library::locks): New function.
3734         (Check_library::run): New function.
3735         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3736         (Add_symbols::library_): New data member.
3737         (class Read_member): New class.
3738         (class Check_script): New class.
3739         (class Check_library): New class.
3740         * reloc.cc (Read_relocs::is_runnable): Allow case where
3741         token == NULL.
3742         (Read_relocs::locks): Likewise.
3743         (Scan_relocs::locks): Likewise.
3744         (Relocate_task::locks): Likewise.
3745         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3746         to clear counters.
3747         (Sized_relobj::incremental_relocs_scan): Fix comment.
3748         (Sized_relobj::do_relocate): Pass output file offset to
3749         write_local_symbols.
3750         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3751         from class declaration.
3752         * script.cc (read_input_script): Allocate Script_info; pass
3753         argument serial number to report_script.
3754         * script.h (class Script_info): Move to incremental.h.
3755         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3756         * symtab.h (Symbol_table::add_from_incrobj): New function.
3757         (Symbol_table::set_file_offset): New function.
3758
3759 2011-04-05  Cary Coutant  <ccoutant@google.com>
3760
3761         * incremental-dump.cc (dump_incremental_inputs): Change signature
3762         to take a Sized_incremental_binary; change caller.  Use readers
3763         in Sized_incremental_binary.
3764         * incremental.cc
3765         (Sized_incremental_binary::find_incremental_inputs_sections):
3766         Rename do_find_incremental_inputs_sections to this.
3767         (Sized_incremental_binary::setup_readers): New function.
3768         (Sized_incremental_binary::do_check_inputs): Check
3769         has_incremental_info_ flag; move setup code to setup_readers;
3770         use input readers.
3771         (Sized_incremental_binary::do_file_is_unchanged): New function.
3772         (Sized_incremental_binary::do_get_input_reader): New function.
3773         * incremental.h (class Incremental_binary): Move to end of file.
3774         (Incremental_binary::file_is_unchanged): New function.
3775         (Incremental_binary::do_file_is_unchanged): New function.
3776         (Incremental_binary::Input_reader): New class.
3777         (Incremental_binary::get_input_reader): New function.
3778         (class Sized_incremental_binary): Move to end of file.
3779         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3780         input section reader classes.
3781         (Sized_incremental_binary::has_incremental_info): New function.
3782         (Sized_incremental_binary::inputs_reader): New function.
3783         (Sized_incremental_binary::symtab_reader): New function.
3784         (Sized_incremental_binary::relocs_reader): New function.
3785         (Sized_incremental_binary::got_plt_reader): New function.
3786         (Sized_incremental_binary::do_file_is_unchanged): New function.
3787         (Sized_incremental_binary::Sized_input_reader): New class.
3788         (Sized_incremental_binary::get_input_reader): New function.
3789         (Sized_incremental_binary::find_incremental_inputs_sections):
3790         Rename do_find_incremental_inputs_sections to this.
3791         (Sized_incremental_binary::setup_readers): New function.
3792         (Sized_incremental_binary::has_incremental_info_): New data member.
3793         (Sized_incremental_binary::inputs_reader_): New data member.
3794         (Sized_incremental_binary::symtab_reader_): New data member.
3795         (Sized_incremental_binary::relocs_reader_): New data member.
3796         (Sized_incremental_binary::got_plt_reader_): New data member.
3797         (Sized_incremental_binary::current_input_file_): New data member.
3798
3799 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3800
3801         PR gold/12640
3802         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3803         violation.
3804
3805 2011-03-30  Cary Coutant  <ccoutant@google.com>
3806
3807         * archive.cc (Archive::include_member): Adjust call to report_object.
3808         (Add_archive_symbols::run): Add script_info to call to
3809         report_archive_begin.
3810         (Lib_group::include_member): Adjust call to report_object.
3811         (Add_lib_group_symbols::run): Adjust call to report_object.
3812         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3813         blocks.  Add object count for script input files.
3814         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3815         script_info parameter; change all callers.
3816         (Incremental_inputs::report_object): Add script_info parameter;
3817         change all callers.
3818         (Incremental_inputs::report_script): Store backpointer to
3819         incremental info entry.
3820         (Output_section_incremental_inputs::set_final_data_size): Record
3821         additional information for scripts.
3822         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3823         * incremental.h (Incremental_script_entry::add_object): New function.
3824         (Incremental_script_entry::get_object_count): New function.
3825         (Incremental_script_entry::get_object): New function.
3826         (Incremental_script_entry::objects_): New data member; adjust
3827         constructor.
3828         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3829         (Incremental_inputs::report_object): Add script_info parameter.
3830         (Incremental_inputs_reader::get_object_count): New function.
3831         (Incremental_inputs_reader::get_object_offset): New function.
3832         * options.cc (Input_arguments::add_file): Return reference to
3833         new input argument.
3834         * options.h (Input_argument::set_script_info): New function.
3835         (Input_argument::script_info): New function.
3836         (Input_argument::script_info_): New data member; adjust all
3837         constructors.
3838         (Input_file_group::add_file): Return reference to new input argument.
3839         (Input_file_lib::add_file): Likewise.
3840         (Input_arguments::add_file): Likewise.
3841         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3842         * script.cc (Parser_closure::Parser_closure): Add script_info
3843         parameter; adjust all callers.
3844         (Parser_closure::script_info): New function.
3845         (Parser_closure::script_info_): New data member.
3846         (read_input_script): Report scripts earlier to incremental info.
3847         (script_add_file): Set script_info in Input_argument.
3848         (script_add_library): Likewise.
3849         * script.h (Script_options::Script_info): Rewrite class.
3850
3851 2011-03-29  Cary Coutant  <ccoutant@google.com>
3852
3853         * archive.cc (Library_base::should_include_member): Move
3854         method here from class Archive.
3855         (Archive::Archive): Initialize base class.
3856         (Archive::should_include_member): Move to base class.
3857         (Archive::do_for_all_unused_symbols): New function.
3858         (Add_archive_symbols::run): Remove redundant access to
3859         incremental_inputs.
3860         (Lib_group::Lib_group): Initialize base class.
3861         (Lib_group::do_filename): New function.
3862         (Lib_group::include_member): Pass pointer to Lib_group to
3863         report_object.
3864         (Lib_group::do_for_all_unused_symbols): New function.
3865         (Add_lib_group_symbols::run): Report archive information for
3866         incremental links.
3867         * archive.h (class Library_base): New base class.
3868         (class Archive): Derive from Library_base.
3869         (Archive::filename): Move to base class.
3870         (Archive::set_incremental_info): Likewise.
3871         (Archive::incremental_info): Likewise.
3872         (Archive::Should_include): Likewise.
3873         (Archive::should_include_member): Likewise.
3874         (Archive::Armap_entry): Remove.
3875         (Archive::Unused_symbol_iterator): Remove.
3876         (Archive::unused_symbols_begin): Remove.
3877         (Archive::unused_symbols_end): Remove.
3878         (Archive::do_filename): New function.
3879         (Archive::do_get_mtime): New function.
3880         (Archive::do_for_all_unused_symbols): New function.
3881         (Archive::task_): Move to base class.
3882         (Archive::incremental_info_): Likewise.
3883         (class Lib_group): Derive from Library_base.
3884         (Lib_group::do_filename): New function.
3885         (Lib_group::do_get_mtime): New function.
3886         (Lib_group::do_for_all_unused_symbols): New function.
3887         (Lib_group::task_): Move to base class.
3888         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3889         function.
3890         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3891         function.
3892         * incremental.cc (Incremental_inputs::report_archive_begin):
3893         Use Library_base; call library's get_mtime; add incremental inputs
3894         entry before members.
3895         (class Unused_symbol_visitor): New class.
3896         (Incremental_inputs::report_archive_end): Use Library_base; use
3897         visitor class to record unused symbols; don't add incremental inputs
3898         entry after members.
3899         (Incremental_inputs::report_object): Use Library_base.
3900         * incremental.h
3901         (Incremental_archive_entry::Incremental_archive_entry): Remove
3902         unused Archive parameter.
3903         (Incremental_inputs::report_archive_begin): Use Library_base.
3904         (Incremental_inputs::report_archive_end): Likewise.
3905         (Incremental_inputs::report_object): Likewise.
3906         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3907         function.
3908         * object.h (Object::for_all_global_symbols): New function.
3909         (Object::do_for_all_global_symbols): New function.
3910         (Sized_relobj::do_for_all_global_symbols): New function.
3911         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3912         function.
3913         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3914         function.
3915
3916 2011-03-27  Ian Lance Taylor  <iant@google.com>
3917
3918         * archive.cc (Archive::interpret_header): Return -1 if something
3919         goes wrong.  Change callers accordingly.
3920
3921 2011-03-25  Cary Coutant  <ccoutant@google.com>
3922
3923         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3924         * testsuite/Makefile.in: Regenerate.
3925
3926 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3927
3928         * plugin.cc (get_view): New.
3929         (Plugin::load): Pass get_view to the plugin.
3930         (Plugin_manager::get_view): New.
3931
3932 2011-03-21  Ian Lance Taylor  <iant@google.com>
3933
3934         * testsuite/final_layout.sh: Rewrite to not use dc.
3935         * testsuite/relro_test.sh: Fail if dc is not present.
3936
3937 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3938
3939         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3940         Change == to -eq.
3941         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3942         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3943         Change == to -eq.
3944         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3945         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3946
3947 2011-03-14  Ian Lance Taylor  <iant@google.com>
3948
3949         * script-sections.cc (Sort_output_sections::script_compare):
3950         Rename from is_before, change return type.
3951         (Sort_output_sections::operator()): Adjust accordingly.
3952
3953 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3954
3955         PR gold/12572
3956         * testsuite/odr_violation2.cc: Add comment to make all error line
3957         numbers double digits.
3958         * testsuite/debug_msg.sh: Adjust expected errors.
3959
3960 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3961
3962         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3963         but mark earlier ones as non-canonical
3964         (offset_to_iterator): Update search target and example
3965         (do_addr2line): Return extra lines in a vector*
3966         (format_file_lineno): Extract from do_addr2line
3967         (one_addr2line): Add vector* out-param
3968         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3969         when a lineno entry appeared last for its instruction
3970         (Dwarf_line_info): Add vector* out-param
3971         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3972         * symtab.cc (Odr_violation_compare): Include the lineno in the
3973         comparison again.
3974         (linenos_from_loc): New. Combine the canonical line for an
3975         address with its other lines.
3976         (True_if_intersect): New. Helper functor to make
3977         std::set_intersection a query.
3978         (detect_odr_violations): Compare sets of lines instead of just
3979         one line for each function. This became less deterministic, but
3980         has fewer false positives.
3981         * symtab.h: Declarations.
3982         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3983         mix an optimized and non-optimized object in the same binary
3984         (odr_violation2.so): Same.
3985         * testsuite/Makefile.in: Regenerate from Makefile.am.
3986         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3987         * testsuite/debug_msg.sh: Update line numbers and add
3988         assertions.
3989         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3990         non-optimized context.
3991         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3992         isn't inlined, and use OdrDerived in an optimized context.
3993         * testsuite/odr_header1.h: Defines OdrDerived, where
3994         optimization will change the
3995         first-instruction-in-the-destructor's file and line number.
3996         * testsuite/odr_header2.h: Defines OdrBase.
3997
3998 2011-03-09  Ian Lance Taylor  <iant@google.com>
3999
4000         * fileread.cc (File_read::clear_views): Don't delete the whole
4001         file view.
4002
4003 2011-03-08  Ian Lance Taylor  <iant@google.com>
4004
4005         PR gold/12525
4006         * fileread.cc: #include <climits>.
4007         (GOLD_IOV_MAX): Define.
4008         (File_read::read_multiple): Limit number of entries by iov_max.
4009         * fileread.h (class File_read): Always set max_readv_entries to
4010         128.
4011
4012 2011-03-07  Ian Lance Taylor  <iant@google.com>
4013
4014         PR gold/12525
4015         * options.h (class General_options): Add -dy and -dn.
4016
4017 2011-03-02  Cary Coutant  <ccoutant@google.com>
4018
4019         * testsuite/script_test_9.t: Add TLS segment.
4020
4021 2011-03-02  Simon Baldwin  <simonb@google.com>
4022
4023         * configure.ac: Add check for gnu_indirect_function support in
4024         the toolchain building binutils.
4025         * configure: Rebuild.
4026
4027 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4028
4029         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4030         plugin only symbols.
4031         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4032         in plugin files as not needed in the symbol table.
4033
4034 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4035
4036         * output.cc (Output_section::add_input_section): Delay fill
4037         generation for section ordering.
4038
4039 2011-02-09  Ian Lance Taylor  <iant@google.com>
4040
4041         PR gold/12316
4042         * object.h (class Sized_relobj): Remove clear_local_symbols.
4043         * reloc.cc (Sized_relobj::do_relocate): Don't call
4044         clear_local_symbols.
4045
4046 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4047
4048         * plugin.cc (is_visible_from_outside): Return true for symbols
4049         in the -u option.
4050
4051 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4052
4053         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4054         filename.
4055
4056 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4057
4058         * icf.h (is_section_foldable_candidate): Change type of parameter
4059         to std::string.
4060         * icf.cc (Icf::find_identical_sections): Change type of local variable
4061         section_name to be std::string.
4062         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4063
4064 2011-01-25  Ian Lance Taylor  <iant@google.com>
4065
4066         * script.cc (script_add_extern): Rewrite to use
4067         add_symbol_reference.
4068
4069 2011-01-25  Doug Kwan  <dougkwan@google.com>
4070
4071         * icf.cc (get_section_contents): Always lock section's object.
4072
4073 2011-01-24  Ian Lance Taylor  <iant@google.com>
4074
4075         * options.h (class General_options): Accept
4076         --no-detect-odr-violations.
4077
4078 2011-01-24  Ian Lance Taylor  <iant@google.com>
4079
4080         * version.cc (version_string): Bump to 1.11.
4081
4082 2011-01-24  Ian Lance Taylor  <iant@google.com>
4083
4084         * plugin.cc (class Plugin_rescan): Define new class.
4085         (Plugin_manager::claim_file): Set any_claimed_.
4086         (Plugin_manager::save_archive): New function.
4087         (Plugin_manager::save_input_group): New function.
4088         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4089         necessary.
4090         (Plugin_manager::new_undefined_symbol): New function.
4091         (Plugin_manager::rescan): New function.
4092         (Plugin_manager::rescannable_defines): New function.
4093         (Plugin_manager::add_input_file): Set any_added_.
4094         * plugin.h (class Plugin_manager): define new fields rescannable_,
4095         undefined_symbols_, any_claimed_, and any_added_.  Declare
4096         Plugin_rescan as friend.  Declare new functions.
4097         (Plugin_manager::Rescannable): Define type.
4098         (Plugin_manager::Rescannable_list): Define type.
4099         (Plugin_manager::Undefined_symbol_list): Define type.
4100         (Plugin_manager::Plugin_manager): Initialize new fields.
4101         * archive.cc (Archive::defines_symbol): New function.
4102         (Add_archive_symbols::run): Pass archive to plugins if any.
4103         * archive.h (class Archive): Declare defines_symbol.
4104         * readsyms.cc (Input_group::~Input_group): New function.
4105         (Finish_group::run): Pass input_group to plugins if any.
4106         * readsyms.h (class Input_group): Declare destructor.
4107         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4108         any.
4109
4110 2011-01-10  Ian Lance Taylor  <iant@google.com>
4111
4112         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4113         section as relro.
4114         (Layout::set_segment_offsets): Reset increase_relro before calling
4115         set_section_addresses a second time.
4116
4117 2011-01-04  Cary Coutant  <ccoutant@google.com>
4118
4119         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4120         sections before NOBITS sections.
4121
4122 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4123
4124         * version.cc (print_version): Update copyright to 2011.
4125
4126 2010-12-23  Cary Coutant  <ccoutant@google.com>
4127
4128         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4129         of OS to this->add.  Add OD parameter to second form of the function.
4130
4131 2010-12-20  Ian Lance Taylor  <iant@google.com>
4132
4133         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4134         second of two consecutive entries with same offset.
4135
4136 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4137
4138         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4139         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4140         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4141         to avoid unneeded links against $(LDADD).
4142         * testsuite/Makefile.in: Regenerate.
4143
4144 2010-12-15  Ian Lance Taylor  <iant@google.com>
4145
4146         PR gold/12324
4147         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4148         for R_X86_64_32 and R_X86_64_PC32.
4149         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4150         ver_matching_def_pic.o.
4151         (ver_matching_def_pic.o): New target.
4152
4153 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4154
4155         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4156         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4157         Move definition before File_read::View member definitions.
4158         (File_read::View::~View): Initialize and hold lock before
4159         updating current_mapped_bytes.
4160
4161 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4162
4163         * dwarf_reader.cc: Remove outdated comment.
4164         * gold-threads.cc: Fix typo in error message.
4165         * archive.cc: Fix typos in comments.
4166         * archive.h: Likewise.
4167         * arm-reloc-property.cc: Likewise.
4168         * arm-reloc-property.h: Likewise.
4169         * arm-reloc.def: Likewise.
4170         * arm.cc: Likewise.
4171         * attributes.h: Likewise.
4172         * cref.cc: Likewise.
4173         * ehframe.cc: Likewise.
4174         * fileread.h: Likewise.
4175         * gold.h: Likewise.
4176         * i386.cc: Likewise.
4177         * icf.cc: Likewise.
4178         * incremental.h: Likewise.
4179         * int_encoding.cc: Likewise.
4180         * layout.h: Likewise.
4181         * main.cc: Likewise.
4182         * merge.h: Likewise.
4183         * object.cc: Likewise.
4184         * object.h: Likewise.
4185         * options.cc: Likewise.
4186         * readsyms.cc: Likewise.
4187         * reduced_debug_output.cc: Likewise.
4188         * reloc.cc: Likewise.
4189         * script-sections.cc: Likewise.
4190         * sparc.cc: Likewise.
4191         * symtab.h: Likewise.
4192         * target-reloc.h: Likewise.
4193         * target.cc: Likewise.
4194         * target.h: Likewise.
4195         * timer.cc: Likewise.
4196         * timer.h: Likewise.
4197         * x86_64.cc: Likewise.
4198
4199 2010-12-09  Cary Coutant  <ccoutant@google.com>
4200
4201         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4202         stack.
4203         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4204         parameter; change all callers.
4205         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4206         * options.h (warn_execstack): New option.
4207
4208 2010-12-07  Doug Kwan  <dougkwan@google.com>
4209
4210         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4211         like function call relocations.
4212
4213 2010-12-07  Ian Lance Taylor  <iant@google.com>
4214
4215         * archive.cc (Archive::get_elf_object_for_member): Permit
4216         punconfigured to be NULL.
4217         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4218         (Archive::include_member): Pass NULL to get_elf_object_for_member
4219         if we searched for the archive and this is the first included
4220         object.
4221
4222 2010-12-01  Ian Lance Taylor  <iant@google.com>
4223
4224         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4225         track_relocs_type_ field.
4226         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4227         Set track_relocs_type_.
4228         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4229         contents when using RELA relocs.
4230         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4231         reloc_map_.
4232         * reloc.cc (Track_relocs::next_addend): New function.
4233         * reloc.h (class Track_relocs): Declare next_addend.
4234
4235 2010-12-01  Ian Lance Taylor  <iant@google.com>
4236
4237         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4238         virtual destructor.
4239
4240 2010-12-01  Ian Lance Taylor  <iant@google.com>
4241
4242         * README: Update compilers known to work and fail.
4243
4244 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4245
4246         * configure.in: For --enable-gold, handle value `default' instead of
4247         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4248         not the default.
4249         * configure: Regenerate.
4250
4251 2010-11-18  Doug Kwan  <dougkwan@google.com>
4252
4253         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4254         and right_alignment to be zero.  Store result alignment only if it is
4255         greater than existing alignment.
4256
4257 2010-11-16  Cary Coutant  <ccoutant@google.com>
4258
4259         PR gold/12220
4260         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4261         Check for ".zdebug_line".
4262
4263 2010-11-16  Doug Kwan  <dougkwan@google.com>
4264             Cary Coutant  <ccoutant@google.com>
4265
4266         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4267         by reference; adjust all callers.
4268         * output.cc (Output_segment::set_section_addresses): Adjust references
4269         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4270         list is empty.
4271         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4272         end at page boundary.
4273
4274 2010-11-16  Cary Coutant  <ccoutant@google.com>
4275
4276         PR gold/12220
4277         * layout.cc (Layout::choose_output_section): Transform names of
4278         compressed sections even when using a script with a SECTIONS clause.
4279         (Layout::output_section_name): Remove code to transform
4280         compressed debug section names.
4281         * output.cc (Output_section::add_input_section): Use uncompressed
4282         section size when tracking input sections.
4283
4284 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4285
4286         * symtab.h (Symbol::NON_PIC_REF): Remove.
4287         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4288         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4289         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4290         (Symbol::use_plt_offset): Take a flags argument and pass it
4291         directly to needs_dynamic_reloc.  Restrict check for undefined
4292         weak symbols to function calls.
4293         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4294         (Target_arm::Scan::global): Use it.
4295         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4296         (Target_arm::Relocate::relocate): Likewise.
4297         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4298         parameter with an r_type parameter.  Use get_reference_flags
4299         to get the flags.
4300         (Target_arm::Relocate::relocate): Update accordingly.
4301         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4302         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4303         (Target_i386::Scan::global): Likewise.
4304         (Target_i386::Relocate::relocate): Likewise.
4305         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4306         parameter with an r_type parameter.  Use get_reference_flags
4307         to get the flags.
4308         (Target_i386::Relocate::relocate): Update accordingly.
4309         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4310         (Target_powerpc::Scan::global): Use it.
4311         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4312         (Target_powerpc::Relocate::relocate): Likewise.
4313         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4314         (Target_sparc::Scan::global): Use it.
4315         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4316         (Target_sparc::Relocate::relocate): Likewise.
4317         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4318         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4319         (Target_x86_64::Scan::global): Likewise.
4320         (Target_x86_64::Relocate::relocate): Likewise.
4321
4322 2010-11-08  Doug Kwan  <dougkwan@google.com>
4323             Cary Coutant  <ccoutant@google.com>
4324
4325         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4326         (Arm_exidx_merge_section::section_contents_): New data member.
4327         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4328         (Arm_input_section::~Arm_input_section): De-allocate memory.
4329         (Arm_input_section::original_contents_): New data member.
4330         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4331         in parameters instead of calling Object::section_contents without
4332         locking.
4333         (Arm_output_section::group_section): New parameter TASK.  Pass it
4334         to callees that need locking objects.
4335         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4336         to lock EXIDX input sections.  Fix a formatting issue.  Call
4337         Arm_exidx_merged_section::build_contents to create merged section
4338         contents.
4339         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4340         to lock object of stub table owner.
4341         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4342         TEXT_SIZE to initialize data member TEXT_SIZE_.
4343         (Arm_exidx_input_section::addralign): Fix typo in comment.
4344         (Arm_exidx_input_section::text_size): New method.
4345         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4346         that require locking objects.  Lock objects before scanning for stubs
4347         and updating local symbols.
4348         (Arm_input_section<big_endian>::init): Copy contents of original
4349         input section.
4350         (Arm_input_section<big_endian>::do_write): Use saved contents of
4351         original input section instead of calling Object::section_contents
4352         without locking.
4353         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4354         size without calling Object::section_size().
4355         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4356         for size.  Allocate a buffer for merged EXIDX entries.
4357         (Arm_exidx_merged_section::build_contents): New method.
4358         (Arm_exidx_merged_section::do_write): Move merge section contents
4359         building code to Arm_exidx_merged_section::build_contetns.  Write
4360         out contetns in buffer instead of building it on the fly.
4361         (Arm_relobj::make_exidx_input_section): Also pass text section size
4362         to Arm_exidx_input_section constructor.
4363         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4364         (Arm_dynobj::do_read_symbols): Fix memory leak.
4365         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4366         * target.h: (class Task): Add forward declaration.
4367         (Target::relax): Add new parameter TASK and pass it to
4368         Target::do_relax().
4369         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4370
4371 2010-11-05  Cary Coutant  <ccoutant@google.com>
4372
4373         PR gold/10708
4374         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4375         object when reading from the file.
4376         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4377         second layout pass.
4378         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4379         when reading section contents.
4380         (get_section_contents): Likewise.
4381         (icf::find_identical_sections): Likewise.
4382         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4383         object when reading from the file.
4384         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4385         the object when doing deferred section layout.
4386
4387 2010-11-03  Nick Clifton  <nickc@redhat.com>
4388
4389         PR gold/12001
4390         * script.h (class Symbol_assignment: name): New member.  Returns
4391         the name of the symbol.
4392         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4393         Returns true if the given symbol name is on the list of
4394         assignments wating to be processed.
4395         * archive.cc (should_incldue_member): If the symbol is undefined,
4396         check to see if it is on the list of symbols pending assignment.
4397
4398 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4399
4400         * script-sections.cc (Script_sections::find_memory_region): Check
4401         for a NULL output section pointer.
4402
4403 2010-10-29  Doug Kwan  <dougkwan@google.com>
4404
4405         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4406         Output_section::add_relaxed_input_section.
4407         * output.cc (Output_section::add_relaxed_input_section): Add new
4408         arguments LAYOUT and NAME.  Set section order index.
4409         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4410         Copy section order index.
4411         * output.h (Output_section::add_relaxed_input_section): Add new
4412         arguments LAYOUT and NAME.
4413
4414 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4415
4416         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4417         NATIVE_OR_CROSS_LINKER.
4418         * testsuite/Makefile.in: Regenerate.
4419
4420 2010-10-20  Doug Kwan  <dougkwan@google.com>
4421
4422         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4423         without SHF_LINK_ORDER flags.
4424         * layout.cc (Layout::choose_output_section): Do not filter
4425         SHF_LINK_ORDER flag in a relocatable link.
4426
4427 2010-10-17  Cary Coutant  <ccoutant@google.com>
4428
4429         * output.h (Output_segment::set_section_addresses): Change function
4430         signature.  Update all callers.
4431         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4432         sections.
4433         (Output_segment::set_section_addresses): Align after last TLS
4434         section.  Add padding before last relro section instead of after.
4435
4436 2010-10-17  Doug Kwan  <dougkwan@google.com>
4437
4438         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4439         GOT output section to be writable.
4440
4441 2010-10-14  Cary Coutant  <ccoutant@google.com>
4442
4443         * debug.h (DEBUG_INCREMENTAL): New flag.
4444         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4445         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4446         mode.
4447         * incremental.cc (report_command_line): Ignore all forms of
4448         --incremental.
4449         * layout.cc (Layout::Layout): Check parameters for incremental link
4450         mode.
4451         * options.cc (General_options::parse_incremental): New function.
4452         (General_options::parse_no_incremental): New function.
4453         (General_options::parse_incremental_full): New function.
4454         (General_options::parse_incremental_update): New function.
4455         (General_options::incremental_mode_): New data member.
4456         (General_options::finalize): Check incremental_mode_.
4457         * options.h (General_options): Update help text for --incremental.
4458         Add --no-incremental, --incremental-full, --incremental-update.
4459         (General_options::Incremental_mode): New enum type.
4460         (General_options::incremental_mode): New function.
4461         (General_options::incremental_mode_): New data member.
4462         * parameters.cc (Parameters::incremental_mode_): New data member.
4463         (Parameters::set_options): Set incremental_mode_.
4464         (Parameters::set_incremental_full): New function.
4465         (Parameters::incremental): New function.
4466         (Parameters::incremental_update): New function.
4467         (set_parameters_incremental_full): New function.
4468         * parameters.h (Parameters::set_incremental_full): New function.
4469         (Parameters::incremental): New function.
4470         (Parameters::incremental_update): New function.
4471         (Parameters::incremental_mode_): New data member.
4472         (set_parameters_incremental_full): New function.
4473         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4474         incremental link mode.
4475         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4476         (Sized_relobj::do_relocate_sections): Likewise.
4477         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4478         option.
4479         * testsuite/Makefile.in: Regenerate.
4480         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4481
4482 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4483
4484         * script-sections.h (class Script_sections): Make
4485         Sections_elements typedef public.
4486         * script-sections.cc (class Sort_output_sections): Add elements_
4487         field.  Add constructor which sets it; change all callers.
4488         (Sort_output_sections::is_before): New function.
4489         (Sort_output_sections::operator()): Call is_before.
4490         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4491         conditional.
4492         * testsuite/script_test_10.sh: New test. Test script section
4493         order.
4494         * testsuite/script_test_10.t: Likewise.
4495         * testsuite/script_test_10.s: Likewise.
4496         * testsuite/Makefile.am: Wrap the cross linker tests and the
4497         common tests into NATIVE_OR_CROSS_LINKER.
4498         (check_SCRIPTS): Add script_test_10.sh.
4499         (check_DATA): Add script_test_10.stdout.
4500         (script_test_10.o, script_test_10): New targets.
4501         (script_test_10.stdout): New target.
4502         * configure, testsuite/Makefile.in: Regenerate.
4503
4504 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4505
4506         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4507         error for the deprecated relocations.
4508         (Target_arm::Scan::global): Likewise.
4509         (Target_arm::Relocate::relocate): Likewise.
4510
4511 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4512
4513         * fileread.cc (Input_file::find_file): Initialize *found_name
4514         and *namep when using the fallback search for case 4.
4515
4516 2010-10-11  Cary Coutant  <ccoutant@google.com>
4517
4518         * options.h (class General_options): Redefine -z lazy as an alias for
4519         the negation of -z now.
4520
4521 2010-10-11  Ian Lance Taylor  <iant@google.com>
4522
4523         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4524         binding.
4525
4526 2010-10-06  Nick Clifton  <nickc@redhat.com>
4527
4528         * script-sections.cc(class Memory_region): Remove
4529         current_lma_offset_ field.  Rename current_vma_offset_ to
4530         current_offset_.  Add last_section_ field.
4531         (Memory_region::get_current_vma_address): Rename to
4532         get_current_address.
4533         (Memory_region::get_current_lma_address): Delete.
4534         (Memory_region::increment_vma_offset): Rename to
4535         increment_offset.
4536         (Memory_region::increment_lma_offset): Delete.
4537         (Memory_region::attributes_compatible): New method.  Returns
4538         true if the provided section is compatible with the region.
4539         (Memory_region::get_last_section): New method.  Returns the last
4540         section to use the region.
4541         (Memory_region::set_last_section): New method.  Stores the last
4542         section to use the region.
4543         (Script_sections::block_in_region): New method.  Returns true if
4544         a block of memory is contained within a region.
4545         (Script_sections::find_memory_region): New method.  Locates a
4546         memory region to be used to set a VMA or LMA address.
4547         (Output_section_definition::set_section_addresses): Add code to
4548         check for addresses set by memory regions.
4549         (Output_segment::set_section_addresses): Remove memory region
4550         walking code.
4551         (Script_sections::create_segment): Add a warning if a header
4552         segment is created outside of any region.
4553         * script-sections.h (class Script_sections): Add prototypes for
4554         find_memory_region and block_in_region methods.
4555         * testsuite/memory_test.s: Use .long instead of .word.
4556         * testsuite/memory_test.t: Add some more output sections.
4557         * testsuite/memory_test.sh: Update expected output.
4558
4559 2010-10-02  Doug Kwan  <dougkwan@google.com>
4560
4561         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4562         defintion to symtab.h
4563         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4564         declaration to defintion.
4565
4566 2010-10-01  Nick Clifton  <nickc@redhat.com>
4567
4568         * expression.cc (eval): Replace dummy argument with NULL.
4569         (eval_maybe_dot): Check for a NULL result section pointer.
4570         (Symbol_expression::value): Likewise.
4571         (Dot_expression::value): Likewise.
4572         (BINARY_EXPRESSION): Likewise.
4573         (Max_expression::value): Likewise.
4574         (Min_expression::value): Likewise.
4575         (Absolute_expression::value): Likewise.
4576         (Addr_expression::value_from_output_section): Likewise.
4577         (Loaddddr_expression::value_from_output_section): Likewise.
4578         (Segment_start_expression::value): Likewise.
4579         * script-sections.cc
4580         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4581         argument with NULL.
4582         (Sections_elememt_dot_assignment::set_section_addresses):
4583         Likewise.
4584         (Output_data_expression::do_write_to_buffer): Likewise.
4585         (Output_section_definition::finalize_symbols): Likewise.
4586         (Output_section_definition::set_section_addresses): Likewise.
4587
4588 2010-09-30  Doug Kwan  <dougkwan@google.com>
4589
4590         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4591
4592 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4593
4594         * target.h (Target::can_icf_inline_merge_sections): New virtual
4595         function.
4596         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4597         virtual function.
4598         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4599         virtual function.
4600         * icf.cc (get_section_contents): Inline merge sections only when
4601         target allows it.
4602
4603 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4604
4605         * configure: Regenerate.
4606
4607 2010-09-17  Ian Lance Taylor  <iant@google.com>
4608
4609         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4610         * testsuite/Makefile.am (memory_test.o): New target.
4611         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4612         memory_test.t.
4613         * testsuite/Makefile.in: Rebuild.
4614
4615 2010-09-17  Doug Kwan  <dougkwan@google.com>
4616
4617         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4618         defintion if relocation uses GOT entries of the symbol.
4619         * testsuite/icf_safe_test.sh: Fix test.
4620         * testsuite/icf_safe_so_test.sh: Fix test.
4621
4622 2010-09-16  Cary Coutant  <ccoutant@google.com>
4623
4624         * script_sections.cc (class Memory_region): Remove "NULL" from
4625         vector initializations.
4626
4627 2010-09-15  Cary Coutant  <ccoutant@google.com>
4628
4629         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4630         Resolve forwarding symbols.
4631
4632 2010-09-15  Doug Kwan  <dougkwan@google.com>
4633
4634         * gold/testsuite/script_test_3.t: Add ARM special sections.
4635         * gold/testsuite/script_test_4.t: Same.
4636         * gold/testsuite/script_test_5.t: Same.
4637         * gold/testsuite/script_test_6.t: Same.
4638         * gold/testsuite/script_test_7.t: Same.
4639         * gold/testsuite/script_test_7.t: Same.
4640         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4641
4642 2010-09-14  Cary Coutant  <ccoutant@google.com>
4643
4644         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4645         (Target_x86_64::Relocate::relocate_tls): Replace check for
4646         saw_tls_block_reloc_ with test for executable section.
4647
4648 2010-09-12  Cary Coutant  <ccoutant@google.com>
4649
4650         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4651         position-independent executables to shared libraries need dynamic
4652         relocations.
4653         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4654         position-independent executables.
4655         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4656         * testsuite/Makefile.in: Regenerate.
4657
4658 2010-09-10  Nick Clifton  <nickc@redhat.com>
4659
4660         PR gold/11997
4661         * testsuite/memory_test.t: Discard any sections that are not
4662         needed.
4663
4664 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4665
4666         PR gold/11996
4667         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4668         "This::" to work around a bug in gcc 4.2.
4669
4670         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4671
4672 2010-09-09  Rafael Espindola  <espindola@google.com>
4673
4674         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4675         sections with different PF_X flags in the same segment.
4676         (Layout::find_first_load_seg): Search all segments to find the first
4677         one.
4678         * options.h (rosegment): New.
4679
4680 2010-09-08  Rafael Espindola  <espindola@google.com>
4681
4682         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4683
4684 2010-09-08  Doug Kwan  <dougkwan@google.com>
4685
4686         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4687         (Arm_relobj::do_relocate_sections): Add new parameter for output
4688         file to match the parent.
4689         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4690         of local symbols instead of input values.  Update code to track
4691         changes in gold::relocate_section.
4692         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4693         (Sized_relobj::compute_final_local_value_internal): New methods.
4694         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4695         body into private version of Sized_relobj::compute_final_local_value.
4696         Call the inline method.
4697         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4698         merged symbol value if there is one.
4699         (Symbol_value::has_output_value): New method defintiion.
4700         (Sized_relobj::Compute_final_local_value_status): New enum type.
4701         (Sized_relobj::compute_final_local_value): New methods.
4702         (Sized_relobj::compute_final_local_value_internal): New methods.
4703         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4704         and arm_cortex_a8.sh.
4705         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4706         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4707         New tests.
4708         * Makefile.in: Regenerate.
4709         * testsuite/arm_bl_out_of_range.s: Update test.
4710         * testsuite/thumb_bl_out_of_range.s: Ditto.
4711         * testsuite/thumb_blx_out_of_range.s: Ditto.
4712         * testsuite/arm_branch_out_of_range.sh: New file.
4713         * testsuite/arm_cortex_a8.sh: Ditto.
4714         * testsuite/arm_cortex_a8_b.s: Ditto.
4715         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4716         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4717         * testsuite/arm_cortex_a8_bl.s: Ditto.
4718         * testsuite/arm_cortex_a8_blx.s: Ditto.
4719         * testsuite/arm_cortex_a8_local.s: Ditto.
4720         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4721         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4722
4723 2010-09-08  Rafael Espindola  <espindola@google.com>
4724
4725         * Makefile.am (memory_test.stdout): Run readelf with -W.
4726         * Makefile.in: Regenerate.
4727         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4728         64 bit output.
4729
4730 2010-09-08  Rafael Espindola  <espindola@google.com>
4731
4732         * script-sections.cc (Script_sections::add_memory_region): Convert
4733         field precision to int.
4734         * script.cc (script_set_section_region, script_set_section_region):
4735         Convert field precision to int.
4736
4737 2010-09-08  Rafael Espindola  <espindola@google.com>
4738
4739         * arm.cc (do_finalize_sections): Create the __exidx_start and
4740         __exdix_end symbols even when the section is missing.
4741
4742 2010-09-08  Nick Clifton  <nickc@redhat.com>
4743
4744         * README: Remove claim that MEMORY is not supported.
4745         * expression.cc (script_exp_function_origin)
4746         (script_exp_function_length): Move from here to ...
4747         * script.cc: ... here.
4748         (script_set_section_region, script_add_memory)
4749         (script_parse_memory_attr, script_include_directive): New
4750         functions.
4751         * script-sections.cc
4752         (class Memory_region): New class.
4753         (class Output_section_definition): Add set_memory_region,
4754         set_section_vma, set_section_lma and get_section_name methods.
4755         (class Script_Sections): Add add_memory_region,
4756         find_memory_region, find_memory_region_origin,
4757         find_memory_region_length and set_memory_region methods.
4758         Have set_section_addresses method walk the list of set memory
4759         regions.
4760         Extend the print methos to display memory regions.
4761         * script-sections.h: Add prototypes for new methods.
4762         Add enum for MEMORY region attributes.
4763         * yyscript.y: Add support for parsing MEMORY regions.
4764         * script-c.h: Add prototypes for new functions.
4765         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4766         * testsuite/Makefile.in: Regenerate.
4767         * testsuite/memory_test.sh: New script.
4768         * testsuite/memory_test.s: New assembler source file.
4769         * testsuite/memory_test.t: New linker script.
4770
4771 2010-08-27  Doug Kwan  <dougkwan@google.com>
4772
4773         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4774         reference override an existing dynamic weak reference.
4775         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4776         * testsuite/Makefile.in: Regenerate.
4777         * testsuite/dyn_weak_ref.sh: New file.
4778         * testsuite/dyn_weak_ref_1.c: Ditto.
4779         * testsuite/dyn_weak_ref_2.c: Ditto.
4780
4781 2010-08-27  Ian Lance Taylor  <iant@google.com>
4782
4783         * incremental.h (class Incremental_input_entry): Add virtual
4784         destructor.
4785
4786 2010-08-27  Ian Lance Taylor  <iant@google.com>
4787
4788         * testsuite/start_lib_test_3.c: Mark t3 as used.
4789
4790 2010-08-27  Nick Clifton  <nickc@redhat.com>
4791
4792         * options.cc (version_script): Fix small typo in previous
4793         whitespace tidyup.
4794
4795 2010-08-25  Nick Clifton  <nickc@redhat.com>
4796
4797         * archive.cc: Formatting fixes: Remove whitespace between
4798         typename and following asterisk.  Remove whitespace between
4799         function name and opening parenthesis.
4800         * archive.h: Likewise.
4801         * arm.cc: Likewise.
4802         * attributes.cc: Likewise.
4803         * attributes.h: Likewise.
4804         * common.cc: Likewise.
4805         * copy-relocs.cc: Likewise.
4806         * dirsearch.h: Likewise.
4807         * dynobj.cc: Likewise.
4808         * ehframe.cc: Likewise.
4809         * ehframe.h: Likewise.
4810         * expression.cc: Likewise.
4811         * fileread.cc: Likewise.
4812         * fileread.h: Likewise.
4813         * gc.h: Likewise.
4814         * gold-threads.cc: Likewise.
4815         * gold.cc: Likewise.
4816         * i386.cc: Likewise.
4817         * icf.h: Likewise.
4818         * incremental-dump.cc: Likewise.
4819         * incremental.cc: Likewise.
4820         * layout.cc: Likewise.
4821         * layout.h: Likewise.
4822         * main.cc: Likewise.
4823         * merge.cc: Likewise.
4824         * merge.h: Likewise.
4825         * object.cc: Likewise.
4826         * object.h: Likewise.
4827         * options.cc: Likewise.
4828         * options.h: Likewise.
4829         * output.cc: Likewise.
4830         * output.h: Likewise.
4831         * plugin.cc: Likewise.
4832         * plugin.h: Likewise.
4833         * powerpc.cc: Likewise.
4834         * reloc.cc: Likewise.
4835         * script-c.h: Likewise.
4836         * script-sections.cc: Likewise.
4837         * script.cc: Likewise.
4838         * stringpool.cc: Likewise.
4839         * symtab.cc: Likewise.
4840         * symtab.h: Likewise.
4841         * target.cc: Likewise.
4842         * timer.cc: Likewise.
4843         * timer.h: Likewise.
4844         * version.cc: Likewise.
4845         * x86_64.cc: Likewise.
4846
4847 2010-08-24  Nick Clifton  <nickc@redhat.com>
4848
4849         PR 11899
4850         * layout.cc (segment_precedes): Sort segments by their physical
4851         addresses, if they have been set.
4852
4853 2010-08-23  Cary Coutant  <ccoutant@google.com>
4854
4855         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4856         symbols data.
4857         (Lib_group::include_member): Unlock object after deleting its
4858         symbols data.
4859         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4860         the bug fixed here.
4861
4862 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4863             Cary Coutant  <ccoutant@google.com>
4864
4865         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4866         constructor, and set_blocker.
4867         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4868         readsyms_blocker_.
4869         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4870         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4871         * testsuite/Makefile.am (start_lib_test): New test case.
4872         * testsuite/Makefile.in: Regenerate.
4873         * testsuite/start_lib_test_main.c: New file.
4874         * testsuite/start_lib_test_1.c: New file.
4875         * testsuite/start_lib_test_2.c: New file.
4876         * testsuite/start_lib_test_3.c: New file.
4877
4878 2010-08-19  Ian Lance Taylor  <iant@google.com>
4879
4880         * Makefile.in: Rebuild with automake 1.11.1.
4881         * aclocal.m4: Likewise.
4882         * testsuite/Makefile.in: Likewise.
4883
4884 2010-08-19  Ian Lance Taylor  <iant@google.com>
4885
4886         PR 10893
4887         * i386.cc (class Output_data_plt_i386): Update declarations.
4888         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4889         local_ifuncs_ fields.
4890         (Target_i386::do_plt_section_for_global): New function.
4891         (Target_i386::do_plt_section_for_local): New function.
4892         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4893         parameter; change all callers.  Initialize global_ifuncs_ and
4894         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4895         __rel_iplt_end.
4896         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4897         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4898         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4899         symbols.
4900         (Target_i386::make_plt_section): New function, broken out of
4901         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4902         (Target_i386::make_plt_entry): Call make_plt_section.
4903         (Target_i386::make_local_ifunc_plt_entry): New function.
4904         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4905         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4906         R_386_IRELATIVE to switch.
4907         (Target_i386::Scan::global): Likewise.
4908         (Target_i386::Relocate::relocate): Likewise.
4909         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4910         switch.
4911         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4912         (Target_x86_64::do_plt_section_for_global): New function.
4913         (Target_x86_64::do_plt_section_for_local): New function.
4914         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4915         parameter; change all callers.  If doing a static link define
4916         __rela_iplt_start and __rela_iplt_end.
4917         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4918         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4919         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4920         to point to .plt.
4921         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4922         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4923         switch.
4924         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4925         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4926         R_X86_64_IRELATIVE to switch.
4927         (Target_x86_64::Scan::global): Likewise.
4928         (Target_x86_64::Relocate::relocate): Likewise.
4929         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4930         switch.
4931         * target.h (class Target): Add plt_section_for_global and
4932         plt_section_for_local functions.  Add do_plt_section_for_global
4933         and do_plt_section_for_local virtual functions.
4934         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4935         clarifying comments.
4936         (Symbol::use_plt_offset): Handle IFUNC symbol.
4937         * object.cc (Sized_relobj::Sized_relobj): Initialize
4938         local_plt_offsets_.
4939         (Sized_relobj::local_has_plt_offset): New function.
4940         (Sized_relobj::local_plt_offset): New function.
4941         (Sized_relobj::set_local_plt_offset): New function.
4942         (Sized_relobj::do_count): Handle IFUNC symbol.
4943         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4944         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4945         is_ifunc_symbol functions.
4946         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4947         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4948         local_plt_offsets_ field.
4949         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4950         * output.h (class Output_section_data): Add non-const
4951         output_section function.
4952         (class Output_data_got): Update declarations.
4953         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4954         Add use_plt_offset parameter to global and local constructors.
4955         Change all callers.  Change local_sym_index_ field to 31 bits.
4956         Change GSYM_CODE and CONSTANT_CODE accordingly.
4957         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4958         doing a static link don't set sh_link field.
4959         (Output_data_got::Got_entry::write): Use PLT offset if
4960         appropriate.
4961         (Output_data_got::add_global_plt): New function.
4962         (Output_data_got::add_local_plt): New function.
4963         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4964         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4965         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4966         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4967         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4968         IFUNC conditional.
4969         * testsuite/ifunc-sel.h: New file.
4970         * testsuite/ifuncmain1.c: New file.
4971         * testsuite/ifuncmain1vis.c: New file.
4972         * testsuite/ifuncmod1.c: New file.
4973         * testsuite/ifuncdep2.c: New file.
4974         * testsuite/ifuncmain2.c: New file.
4975         * testsuite/ifuncmain3.c: New file.
4976         * testsuite/ifuncmod3.c: New file.
4977         * testsuite/ifuncmain4.c: New file.
4978         * testsuite/ifuncmain5.c: New file.
4979         * testsuite/ifuncmod5.c: New file.
4980         * testsuite/ifuncmain6pie.c: New file.
4981         * testsuite/ifuncmod6.c: New file.
4982         * testsuite/ifuncmain7.c: New file.
4983         * configure, testsuite/Makefile.in: Rebuild.
4984
4985 2010-08-18  Ian Lance Taylor  <iant@google.com>
4986
4987         * incremental.cc
4988         (Output_section_incremental_inputs::write_input_files): Add cast
4989         to avoid signed/unsigned comparison warning.
4990         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4991
4992 2010-08-12  Cary Coutant  <ccoutant@google.com>
4993
4994         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4995
4996 2010-08-13  Ian Lance Taylor  <iant@google.com>
4997
4998         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4999
5000 2010-08-12  Cary Coutant  <ccoutant@google.com>
5001             Doug Kwan  <dougkwan@google.com>
5002
5003         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5004         defintion overrides non-weak undef, remember that the original undef
5005         is not weak.
5006         * symtab.cc (Symbol_table::sized_write_global): For undef without
5007         an original weak binding, set binding to global in output.
5008         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5009         * testsuite/Makefile.in: Regenerate.
5010         * testsuite/strong_ref_weak_def.sh: New file.
5011         * testsuite/strong_ref_weak_def_1.c: Ditto.
5012         * testsuite/strong_ref_weak_def_2.c: Ditto.
5013
5014 2010-08-12  Cary Coutant  <ccoutant@google.com>
5015
5016         * testsuite/incremental_test.sh: Rewrite.
5017         * testsuite/incremental_test_1.c: Rewrite.
5018         * testsuite/incremental_test_2.c: Rewrite.
5019
5020 2010-08-12  Cary Coutant  <ccoutant@google.com>
5021
5022         * arm.cc (Target_arm::got_size): Add const.
5023         (Target_arm::got_entry_count): New function.
5024         (Target_arm::plt_entry_count): New function.
5025         (Target_arm::first_plt_entry_offset): New function.
5026         (Target_arm::plt_entry_size): New function.
5027         (Output_data_plt_arm::entry_count): New function.
5028         (Output_data_plt_arm::first_plt_entry_offset): New function.
5029         (Output_data_plt_arm::get_plt_entry_size): New function.
5030         * i386.cc (Target_i386::got_size): Add const.
5031         (Target_i386::got_entry_count): New function.
5032         (Target_i386::plt_entry_count): New function.
5033         (Target_i386::first_plt_entry_offset): New function.
5034         (Target_i386::plt_entry_size): New function.
5035         (Output_data_plt_i386::entry_count): New function.
5036         (Output_data_plt_i386::first_plt_entry_offset): New function.
5037         (Output_data_plt_i386::get_plt_entry_size): New function.
5038         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5039         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5040         * incremental.cc: Include target.h.
5041         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5042         parameter.  Adjust all callers.  Find incremental_got_plt section.
5043         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5044         section.
5045         (Output_section_incremental_inputs::set_final_data_size): Calculate
5046         size of incremental_got_plt section.
5047         (Output_section_incremental_inputs::do_write): Write the
5048         incremental_got_plt section.
5049         (Got_plt_view_info): New struct.
5050         (Local_got_offset_visitor): New class.
5051         (Global_got_offset_visitor): New class.
5052         (Global_symbol_visitor_got_plt): New class.
5053         (Output_section_incremental_inputs::write_got_plt): New function.
5054         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5055         Add parameter.  Adjust all callers.
5056         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5057         (Incremental_inputs::got_plt_section): New function.
5058         (Incremental_inputs::got_plt_section_): New data member.
5059         (Incremental_got_plt_reader): New class.
5060         * layout.cc (Layout::create_incremental_info_sections): Add the
5061         incremental_got_plt section.
5062         * object.h (Got_offset_list::get_list): New function.
5063         (Got offset_list::for_all_got_offsets): New function.
5064         (Sized_relobj::local_got_offset_list): New function.
5065         * powerpc.cc (Target_powerpc::got_size): Add const.
5066         (Target_powerpc::got_entry_count): New function.
5067         (Target_powerpc::plt_entry_count): New function.
5068         (Target_powerpc::first_plt_entry_offset): New function.
5069         (Target_powerpc::plt_entry_size): New function.
5070         (Output_data_plt_powerpc::entry_count): New function.
5071         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5072         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5073         * sparc.cc (Target_sparc::got_size): Add const.
5074         (Target_sparc::got_entry_count): New function.
5075         (Target_sparc::plt_entry_count): New function.
5076         (Target_sparc::first_plt_entry_offset): New function.
5077         (Target_sparc::plt_entry_size): New function.
5078         (Output_data_plt_sparc::entry_count): New function.
5079         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5080         (Output_data_plt_sparc::get_plt_entry_size): New function.
5081         * symtab.h (Symbol::got_offset_list): New function.
5082         (Symbol_table::for_all_symbols): New function.
5083         * target.h (Sized_target::got_entry_count): New function.
5084         (Sized_target::plt_entry_count): New function.
5085         (Sized_target::plt_entry_size): New function.
5086         * x86_64.cc (Target_x86_64::got_size): Add const.
5087         (Target_x86_64::got_entry_count): New function.
5088         (Target_x86_64::plt_entry_count): New function.
5089         (Target_x86_64::first_plt_entry_offset): New function.
5090         (Target_x86_64::plt_entry_size): New function.
5091         (Output_data_plt_x86_64::entry_count): New function.
5092         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5093         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5094
5095 2010-08-12  Cary Coutant  <ccoutant@google.com>
5096
5097         * archive.cc: Include incremental.h.
5098         (Archive::Archive): Initialize incremental_info_.
5099         (Archive::include_member): Record archive members in incremental info.
5100         (Add_archive_symbols::run): Record begin and end of an archive in
5101         incremental info.
5102         (Lib_group::include_member): Record objects in incremental info.
5103         * archive.h (Incremental_archive_entry): Forward declaration.
5104         (Archive::set_incremental_info): New member function.
5105         (Archive::incremental_info): New member function.
5106         (Archive::Unused_symbol_iterator): New class.
5107         (Archive::unused_symbols_begin): New member function.
5108         (Archive::unused_symbols_end): New member function.
5109         (Archive::incremental_info_): New data member.
5110         * incremental-dump.cc (find_input_containing_global): New function.
5111         (dump_incremental_inputs): Dump new incremental info sections.
5112         * incremental.cc: Include symtab.h.
5113         (Output_section_incremental_inputs): New class.
5114         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5115         new incremental info sections.
5116         (Sized_incremental_binary::do_check_inputs): Likewise.
5117         (Incremental_inputs::report_archive): Remove.
5118         (Incremental_inputs::report_archive_begin): New function.
5119         (Incremental_inputs::report_archive_end): New function.
5120         (Incremental_inputs::report_object): New function.
5121         (Incremental_inputs::finalize_inputs): Remove.
5122         (Incremental_inputs::report_input_section): New function.
5123         (Incremental_inputs::report_script): Rewrite.
5124         (Incremental_inputs::finalize): Do nothing but finalize string table.
5125         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5126         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5127         (Incremental_inputs::create_data_sections): New function.
5128         (Incremental_inputs::relocs_entsize): New function.
5129         (Output_section_incremental_inputs::set_final_data_size): New function.
5130         (Output_section_incremental_inputs::do_write): New function.
5131         (Output_section_incremental_inputs::write_header): New function.
5132         (Output_section_incremental_inputs::write_input_files): New function.
5133         (Output_section_incremental_inputs::write_info_blocks): New function.
5134         (Output_section_incremental_inputs::write_symtab): New function.
5135         * incremental.h (Incremental_script_entry): Forward declaration.
5136         (Incremental_object_entry): Forward declaration.
5137         (Incremental_archive_entry): Forward declaration.
5138         (Incremental_inputs): Forward declaration.
5139         (Incremental_inputs_header_data): Remove.
5140         (Incremental_inputs_header): Remove.
5141         (Incremental_inputs_header_write): Remove.
5142         (Incremental_inputs_entry_data): Remove.
5143         (Incremental_inputs_entry): Remove.
5144         (Incremental_inputs_entry_write): Remove.
5145         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5146         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5147         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5148         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5149         Likewise.
5150         (Incremental_input_entry): New class.
5151         (Incremental_script_entry): New class.
5152         (Incremental_object_entry): New class.
5153         (Incremental_archive_entry): New class.
5154         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5155         (Incremental_inputs::report_inputs): Remove.
5156         (Incremental_inputs::report_archive): Remove.
5157         (Incremental_inputs::report_archive_begin): New function.
5158         (Incremental_inputs::report_archive_end): New function.
5159         (Incremental_inputs::report_object): Change prototype.
5160         (Incremental_inputs::report_input_section): New function.
5161         (Incremental_inputs::report_script): Change prototype.
5162         (Incremental_inputs::get_reloc_count): New function.
5163         (Incremental_inputs::set_reloc_count): New function.
5164         (Incremental_inputs::create_data_sections): New function.
5165         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5166         (Incremental_inputs::inputs_section): New function.
5167         (Incremental_inputs::symtab_section): New function.
5168         (Incremental_inputs::relocs_section): New function.
5169         (Incremental_inputs::get_stringpool): Add const.
5170         (Incremental_inputs::command_line): Add const.
5171         (Incremental_inputs::inputs): Remove.
5172         (Incremental_inputs::command_line_key): New function.
5173         (Incremental_inputs::input_file_count): New function.
5174         (Incremental_inputs::input_files): New function.
5175         (Incremental_inputs::relocs_entsize): New function.
5176         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5177         (Incremental_inputs::finalize_inputs): Remove.
5178         (Incremental_inputs::Input_info): Remove.
5179         (Incremental_inputs::lock_): Remove.
5180         (Incremental_inputs::inputs_): Change type.
5181         (Incremental_inputs::inputs_map_): Remove.
5182         (Incremental_inputs::current_object_entry_): New data member.
5183         (Incremental_inputs::inputs_section_): New data member.
5184         (Incremental_inputs::symtab_section_): New data member.
5185         (Incremental_inputs::relocs_section_): New data member.
5186         (Incremental_inputs::reloc_count_): New data member.
5187         (Incremental_inputs_reader): New class.
5188         (Incremental_symtab_reader): New class.
5189         (Incremental_relocs_reader): New class.
5190         * layout.cc (Layout::finalize): Move finalization of incremental info
5191         and creation of incremental info sections to follow finalization of
5192         symbol table.  Set offsets for postprocessing sections.
5193         (Layout::create_incremental_info_sections): Call
5194         Incremental_inputs::create_data_sections.  Add incremental symtab
5195         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5196         sections to layout after input sections.
5197         * layout.h (struct Timespec): Forward declaration.
5198         (Layout::incremental_inputs): Add const.
5199         (Layout::create_incremental_info_sections): Add parameter.
5200         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5201         * object.cc: Include incremental.h.
5202         (Relobj::finalize_incremental_relocs): New function.
5203         (Sized_relobj::do_layout): Record input sections in incremental info.
5204         * object.h (Object::output_section): New function.
5205         (Object::output_section_offset): Moved from Relobj.
5206         (Object::get_incremental_reloc_base): New function.
5207         (Object::get_incremental_reloc_count): New function.
5208         (Object::do_output_section): New function.
5209         (Object::do_output_section_offset): Moved from Relobj.
5210         (Object::do_get_incremental_reloc_base): New function.
5211         (Object::do_get_incremental_reloc_count): New function.
5212         (Object::Object): Initialize new data members.
5213         (Relobj::output_section): Renamed do_output_section and moved to
5214         protected.
5215         (Relobj::output_section_offset): Moved to Object.
5216         (Relobj::do_get_incremental_reloc_base): New function.
5217         (Relobj::do_get_incremental_reloc_count): New function.
5218         (Relobj::allocate_incremental_reloc_counts): New function.
5219         (Relobj::count_incremental_reloc): New function.
5220         (Relobj::finalize_incremental_relocs): New function.
5221         (Relobj::next_incremental_reloc_index): New function.
5222         (Relobj::reloc_counts_): New data member.
5223         (Relobj::reloc_bases_): New data member.
5224         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5225         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5226         (Sized_relobj::incremental_relocs_scan): New function.
5227         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5228         (Sized_relobj::incremental_relocs_write): New function.
5229         (Sized_relobj::incremental_relocs_write_reltype): New function.
5230         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5231         incremental link.
5232         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5233         archives and object files elsewhere.
5234         (Add_symbols::run): Report object files here.
5235         (Finish_group::run): Report end of archive at end of group.
5236         * reloc.cc: Include layout.h, incremental.h.
5237         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5238         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5239         (Sized_relobj::incremental_relocs_scan): New function.
5240         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5241         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5242         (Sized_relobj::incremental_relocs_write): New function.
5243         (Sized_relobj::incremental_relocs_write_reltype): New function.
5244         * script.cc (read_input_script): Rewrite test for incremental link.
5245         Change call to Incremental_inputs::report_script.
5246         * symtab.h (Symbol_table::first_global_index): New function.
5247         (Symbol_table::output_count): New function.
5248
5249 2010-08-12  Doug Kwan  <dougkwan@google.com>
5250
5251         * arm.cc (Target_arm::merge_object_attributes): Check command line
5252         options --no-wchar-size-warning and --no-enum-size-warning.
5253         * options.h (General_options): Add ld-compatible options
5254         --no-enum-size-warning and --no-wchar-size-warning.
5255
5256 2010-08-04  Ian Lance Taylor  <iant@google.com>
5257
5258         * x86_64.cc (Target_x86_64::Scan::local): Use
5259         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5260         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5261         (Target_x86_64::Scan::global): Likewise.
5262         (Target_x86_64::Relocate::relocate): Likewise.
5263         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5264         Likewise.
5265
5266 2010-08-03  Cary Coutant  <ccoutant@google.com>
5267
5268         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5269         to reserve space in merged_strings vector. Keep total input size
5270         for stats.
5271         (Output_merge_string::do_print_merge_stats): Print total input size.
5272         * merge.h (Output_merge_string): Add input_size_ field.
5273         * stringpool.cc (Stringpool_template::string_length): Move
5274         implementations out of Stringpool_template class and place in
5275         stringpool.h.
5276         * stringpool.h (string_length): Move out of Stringpool_template.
5277
5278 2010-08-03  Ian Lance Taylor  <iant@google.com>
5279
5280         PR 11712
5281         * layout.cc (relaxation_loop_body): If address of load segment is
5282         set, adjust address to include headers if possible.
5283
5284 2010-08-03  Ian Lance Taylor  <iant@google.com>
5285
5286         * version.cc (version_string): Bump to 1.10.
5287
5288 2010-08-03  Ian Lance Taylor  <iant@google.com>
5289
5290         PR 11805
5291         * layout.h (enum Output_section_order): Define.
5292         (class Layout): Update declarations.
5293         * layout.cc (Layout::get_output_section): Add order parameter.
5294         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5295         is_first_non_relro parameters.  Change all callers.
5296         (Layout::choose_output_section): Likewise.
5297         (Layout::add_output_section_data): Likewise.
5298         (Layout::make_output_section): Likewise.  Set order.
5299         (Layout::default_section_order): New function.
5300         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5301         * output.cc (Output_section::Output_section): Initialize order_.
5302         Don't initialize deleted fields.
5303         (Output_segment::Output_segment): Don't initialize deleted
5304         fields.
5305         (Output_segment::add_output_section_to_load): New function
5306         replacing add_output_section.  Change all callers to call this or
5307         add_output_section_to_nonload.
5308         (Output_segment::add_output_section_to_nonload): New function.
5309         (Output_segment::remove_output_section): Rewrite.
5310         (Output_segment::add_initial_output_data): Likewise.
5311         (Output_segment::has_any_data_sections): Likewise.
5312         (Output_segment::is_first_section_relro): Likewise.
5313         (Output_segment::maximum_alignment): Likewise.
5314         (Output_segment::has_dynamic_reloc): New function replacing
5315         dynamic_reloc_count.  Change all callers.
5316         (Output_segment::has_dynamic_reloc_list): New function replacing
5317         dynamic_reloc_count_list.  Change all callers.
5318         (Output_segment::set_section_addresses): Rewrite.
5319         (Output_segment::set_offset): Rewrite.
5320         (Output_segment::find_first_and_last_list): Remove.
5321         (Output_segment::set_tls_offsets): Rewrite.
5322         (Output_segment::first_section_load_address): Likewise.
5323         (Output_segment::output_section_count): Likewise.
5324         (Output_segment::section_with_lowest_load_address): Likewise.
5325         (Output_segment::write_section_headers): Likewise.
5326         (Output_segment::print_sections_to_map): Likewise.
5327         * output.h (class Output_data): Remove dynamic_reloc_count_
5328         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5329         (Output_data::add_dynamic_reloc): Rewrite.
5330         (Output_data::has_dynamic_reloc): New function.
5331         (Output_data::dynamic_reloc_count): Remove.
5332         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5333         is_last_relro_, is_first_non_relro_, is_interp_,
5334         is_dynamic_linker_section_ fields.  Add order and set_order
5335         functions.  Remove is_relro_local, set_is_relro_local,
5336         is_last_relro, set_is_last_relro, is_first_non_relro,
5337         set_is_first_non_relro functions, is_interp, set_is_interp,
5338         is_dynamic_linker_section, and set_is_dynamic_linker_section
5339         functions.
5340         (class Output_segment): Change Output_data_list from std::list to
5341         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5342         output_bss_ fields.  Update declarations.
5343
5344 2010-08-02  Ian Lance Taylor  <iant@google.com>
5345
5346         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5347         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5348         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5349
5350 2010-08-02  Ian Lance Taylor  <iant@google.com>
5351
5352         PR 11855
5353         * script.cc (Script_options::Script_options): Initialize
5354         symbol_definitions_ and symbol_references_.
5355         (Script_options::add_symbol_assignment): Update
5356         symbol_definitions_ and symbol_references_.
5357         (Script_options::add_symbol_reference): New function.
5358         (script_symbol): New function.
5359         * script.h (class Script_options): Add symbol_definitions_ and
5360         symbol_references_ fields.
5361         (Script_options::referenced_const_iterator): New type.
5362         (Script_options::referenced_begin): New function.
5363         (Script_options::referenced_end): New function.
5364         (Script_options::is_referenced): New function.
5365         (Script_options::any_unreferenced): New function.
5366         * script-c.h (script_symbol): Declare.
5367         * yyscript.y (exp): Call script_symbol.
5368         * symtab.cc: Include "script.h".
5369         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5370         Change all callers.  Check symbols referenced by scripts.
5371         (Symbol_table::add_undefined_symbols_from_command_line): Add
5372         layout parameter.  Change all callers.
5373         (Symbol_table::do_add_undefined_symbols_from_command_line):
5374         Likewise.  Break out loop body.  Check symbols referenced by
5375         scripts.
5376         (Symbol_table::add_undefined_symbol_from_command_line): New
5377         function broken out of
5378         do_add_undefined_symbols_from_command_line.
5379         * symtab.h (class Symbol_table): Update declarations.
5380         * archive.cc: Include "layout.h".
5381         (Archive::should_include_member): Add layout parameter.  Change
5382         all callers.  Check for symbol mentioned in expression.
5383         * archive.h (class Archive): Update declaration.
5384         * object.cc (Sized_relobj::do_should_include_member): Add layout
5385         parameter.
5386         * object.h (Object::should_include_member): Add layout parameter.
5387         Change all callers.
5388         (Object::do_should_include_member): Add layout parameter.
5389         (class Sized_relobj): Update declaration.
5390         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5391         parameter.
5392         * dynobj.h (class Sized_dynobj): Update declaration.
5393         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5394         layout parameter.
5395         * plugin.h (class Sized_pluginobj): Update declaration.
5396
5397 2010-08-02  Ian Lance Taylor  <iant@google.com>
5398
5399         PR 11866
5400         * output.cc (Output_segment::set_offset): Search for the first and
5401         last sections rather than assuming that the list is in order.
5402         (Output_segment::find_first_and_last_list): New function.
5403         * output.h (class Output_segment): Update declarations.
5404         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5405         (relro_strip_test_SOURCES): New variable.
5406         (relro_strip_test_DEPENDENCIES): New variable.
5407         (relro_strip_test_LDFLAGS): New variable.
5408         (relro_strip_test_LDADD): New variable.
5409         (relro_strip_test.so): New target.
5410
5411 2010-08-02  Ian Lance Taylor  <iant@google.com>
5412
5413         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5414         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5415         (Target_i386::got_tlsdesc_section): New function.
5416         (Target_i386::got_section): Create space for GOT entries for
5417         TLSDESC relocations.
5418         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5419         R_386_TLS_GOTDESC.
5420         (Target_i386::Scan::global): Likewise.
5421         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5422         using TLSDESC GOT.
5423         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5424         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5425         (Target_x86_64::got_tlsdesc_section): New function.
5426         (Target_x86_64::got_section): Create space for GOT entries for
5427         TLSDESC relocations.
5428         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5429         R_386_TLS_GOTDESC.
5430         (Target_x86_64::Scan::global): Likewise.
5431         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5432         using TLSDESC GOT.
5433
5434 2010-08-02  Ian Lance Taylor  <iant@google.com>
5435
5436         * testsuite/final_layout.sh: Use dc to convert from hex to
5437         decimal.
5438
5439 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5440
5441         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5442         paramter to the call to gold::gc_process_relocs.
5443         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5444         paramter to the call to gold::gc_process_relocs.
5445         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5446         parameter to the call to gold::gc_process_relocs.
5447         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5448         template parameter to the call to gold::gc_process_relocs.
5449         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5450         paramter to the call to gold::gc_process_relocs.
5451         * gc.h (get_embedded_addend_size): New function.
5452         (gc_process_relocs): Save the size of the reloc for use by ICF.
5453         * icf.cc (get_section_contents): Get the addend from the text section
5454         for SHT_REL relocation sections.
5455         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5456         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5457         * int_encoding.h (read_from_pointer): New overloaded function.
5458         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5459         * testsuite/icf_sht_rel_addend_test.sh: New file.
5460         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5461         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5462
5463 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5464
5465         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5466         * Makefile.in: Regenerate.
5467         * testsuite/Makefile.in: Regenerate.
5468
5469 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5470
5471         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5472         * gold/testsuite/debug_msg.cc: Likewise.
5473         * gold/testsuite/odr_violation1.cc
5474         * gold/testsuite/odr_violation2.cc
5475
5476 2010-07-21  Cary Coutant  <ccoutant@google.com>
5477
5478         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5479         string, and length fields.
5480         (Output_merge_string::Merged_strings_list): New type.
5481         (Output_merge_string::Merged_strings_lists): New typedef.
5482         (Output_merge_string): Replace merged_strings_ with
5483         merged_strings_lists_.
5484         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5485         Merged_strings_list per input object and section.  Don't store pointer
5486         to the string.  Don't store length with each merged string entry.
5487         (Output_merge_string::finalize_merged_data): Loop over list of merged
5488         strings lists.  Recompute length of each merged string.
5489
5490 2010-07-15  Cary Coutant  <ccoutant@google.com>
5491
5492         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5493         here.
5494
5495 2010-07-14  Ian Lance Taylor  <iant@google.com>
5496
5497         * descriptors.cc (Descriptors::open): Report correct name in error
5498         message.
5499
5500 2010-07-13  Doug Kwan  <dougkwan@google.com>
5501
5502         * arm.cc (Arm_input_section::Arm_input_section): For a
5503         SHT_ARM_EXIDX section, always keeps the input sections.
5504         (Arm_input_section::set_exidx_section_link): New method.
5505         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5506         has_errors_ to false.
5507         (Arm_exidx_input_section::has_errors,
5508         Arm_exidx_input_section::set_has_errors): New methods.
5509         (Arm_exidx_input_section::has_errors_): New data member.
5510         (Arm_relobj::get_exidx_shndx_list): New method.
5511         (Arm_output_section::append_text_sections_to_list): Do not skip
5512         section without SHF_EXECINSTR.
5513         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5514         errors.
5515         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5516         section header.  Make error messages more verbose.  Check for
5517         a non-executable section linked to an EXIDX section.
5518         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5519         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5520         check that there is no deferred EXIDX section if we exit early.
5521         Instead of not making an EXIDX section in case of an error, make one
5522         and set the has_errors flag of it.
5523         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5524         in a relocatable link.
5525         (Target_arm::do_relax): Look for the EXIDX output section instead of
5526         assuming that it is called .ARM.exidx.
5527         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5528         section list.  Do not check for SHF_EXECINSTR section flags but
5529         skip any input section with errors.
5530         * output.cc (Output_section::Output_section): Initialize
5531         always_keeps_input_sections_ to false.
5532         (Output_section::add_input_section): Check for
5533         always_keeps_input_sections_.
5534         *  output.h (Output_section::always_keeps_input_sections,
5535         Output_section::set_always_keeps_input_sections): New methods.
5536         (Output_section::always_keeps_input_sections): New data member.
5537
5538 2010-07-13  Rafael Espindola  <espindola@google.com>
5539
5540         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5541         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5542
5543 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5544             Ian Lance Taylor  <iant@google.com>
5545
5546         * output.h (Output_section_lookup_maps::add_merge_section):
5547         Correct check of whether value was inserted.
5548         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5549         (Output_section_lookup_maps::add_relaxed_input_section):
5550         Likewise.
5551         * arm.cc (Target_arm::got_section): Remove used local os.
5552         * i386.cc (Target_i386::got_section): Likewise.
5553         * x86_64.cc (Target_x86_64::got_section): Likewise.
5554         * sparc.cc (Target_sparc::got_section): Likewise.
5555         (Target_sparc::relocate): Remove unused local have_got_offset.
5556         * powerpc.cc (Target_powerpc::relocate): Likewise.
5557
5558 2010-07-13  Ian Lance Taylor  <iant@google.com>
5559
5560         * compressed_output.cc (zlib_decompress): Fix signature in
5561         !HAVE_ZLIB_H case.
5562
5563         * archive.cc (Archive::include_member): Unlock an external member
5564         of a thin archive.  Don't bother to delete an object we know is
5565         NULL.
5566
5567 2010-07-12  Cary Coutant  <ccoutant@google.com>
5568
5569         * compressed_output.cc (zlib_decompress): New function.
5570         (get_uncompressed_size): New function.
5571         (decompress_input_section): New function.
5572         * compressed_output.h (get_uncompressed_size): New function.
5573         (decompress_input_section): New function.
5574         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5575         Handle compressed debug sections.
5576         * layout.cc (is_compressed_debug_section): New function.
5577         (Layout::output_section_name): Map compressed section names to
5578         canonical names.
5579         * layout.h (is_compressed_debug_section): New function.
5580         (is_debug_info_section): Recognize compressed debug sections.
5581         * merge.cc: Include compressed_output.h.
5582         (Output_merge_data::do_add_input_section): Handle compressed
5583         debug sections.
5584         (Output_merge_string::do_add_input_section): Handle compressed
5585         debug sections.
5586         * object.cc: Include compressed_output.h.
5587         (Sized_relobj::Sized_relobj): Initialize new data members.
5588         (build_compressed_section_map): New function.
5589         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5590         * object.h (Object::section_is_compressed): New method.
5591         (Object::do_section_is_compressed): New method.
5592         (Sized_relobj::Compressed_section_map): New type.
5593         (Sized_relobj::do_section_is_compressed): New method.
5594         (Sized_relobj::compressed_sections_): New data member.
5595         * output.cc (Output_section::add_input_section): Handle compressed
5596         debug sections.
5597         * reloc.cc: Include compressed_output.h.
5598         (Sized_relobj::write_sections): Handle compressed debug sections.
5599
5600 2010-07-08  Cary Coutant  <ccoutant@google.com>
5601
5602         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5603         weak when resolving to a dynamic def.
5604         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5605         for weak undef/dynamic def cases. Adjust callers.
5606         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5607         undef_binding_weak_.
5608         (Symbol_table::sized_write_globals): Adjust symbol binding.
5609         (Symbol_table::sized_write_symbol): Add binding parameter.
5610         * symtab.h (Symbol::set_undef_binding): New method.
5611         (Symbol::is_undef_binding_weak): New method.
5612         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5613         (Symbol_table::should_override): Add new parameter.
5614         (Symbol_table::sized_write_symbol): Add new parameter.
5615
5616         * testsuite/weak_undef_file1.cc: Add new test case.
5617         * testsuite/weak_undef_file2.cc: Fix header comment.
5618         * testsuite/weak_undef_test.cc: Add new test case.
5619
5620 2010-06-29  Doug Kwan  <dougkwan@google.com>
5621
5622         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5623         Initialize USE_SYMBOL_.
5624         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5625         definition.
5626         (Arm_reloc_property::uses_symbol_): New data member declaration.
5627         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5628         uses symbol value and symbol is undefined but not weakly undefined.
5629
5630 2010-06-28  Rafael Espindola  <espindola@google.com>
5631
5632         * plugin.cc (Plugin::load): Use dlerror.
5633
5634 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5635
5636         * symtab.cc (detect_odr_violations): When reporting an ODR
5637         violation, report an object where the symbol is defined.
5638
5639 2010-06-25  Doug Kwan  <dougkwan@google.com>
5640
5641         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5642         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5643         definition.
5644         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5645         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5646         target hook to detect function points.
5647         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5648         * icf.h (Icf::check_section_for_function_pointers): Change type of
5649         parameter SECTION_NAME to const reference to std::string.  Use
5650         target hook to determine if section may have unsafe pointers.
5651         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5652         method definition.
5653
5654 2010-06-21  Rafael Espindola  <espindola@google.com>
5655
5656         * fileread.cc (Input_file::find_fie): New
5657         (Input_file::open): Use Input_file::find_fie.
5658         * fileread.h (Input_file::find_fie): New
5659         * plugin.cc (set_extra_library_path): New.
5660         (Plugin::load): Add set_extra_library_path to the transfer vector.
5661         (Plugin_manager::set_extra_library_path): New.
5662         (Plugin_manager::add_input_file): Use the extra search path if set.
5663         (set_extra_library_path(): New.
5664         * plugin.h (Plugin_manager): Add set_extra_library_path and
5665         extra_search_path_.
5666
5667 2010-06-19  Cary Coutant  <ccoutant@google.com>
5668
5669         * layout.cc (gdb_sections): Add .debug_types.
5670         (lines_only_debug_sections): Likewise.
5671
5672 2010-06-18  Rafael Espindola  <espindola@google.com>
5673
5674         * plugin.cc (add_input_file,add_input_library)
5675         (Plugin_manager::add_input_file): Make filename arguments const.
5676         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5677         const.
5678
5679 2010-06-16  Doug Kwan  <dougkwan@google.com>
5680
5681         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5682         .ARM.attributes section if we have not merged any input
5683         attributes sections.
5684
5685 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5686
5687         * arm.cc: Allow combining objects with no EABI version
5688         information.
5689
5690 2010-06-15  Rafael Espindola  <espindola@google.com>
5691
5692         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5693
5694 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5695
5696         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5697         (struct iovec): Correct !HAVE_READV definition.
5698
5699 2010-06-10  Cary Coutant  <ccoutant@google.com>
5700
5701         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5702         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5703         reloc sections.
5704         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5705
5706         PR 11683
5707         * symtab.h (Symbol::is_placeholder): New member function.
5708         * target-reloc.h (relocate_section): Check for placeholder symbols.
5709
5710         * testsuite/Makefile.am (plugin_test_8): New test.
5711         (plugin_test_9): New test.
5712         * testsuite/Makefile.in: Regenerate.
5713
5714 2010-06-09  Nick Clifton  <nickc@redhat.com>
5715
5716         * yyscript.y (input_list_element): Allow strings prefixed with
5717         the '-' character.  Treat these as libraries.
5718         * script.cc (script_add_library): New function.  Adds a library
5719         specified by "-l<name>" found in an input script.
5720         * script-c.h: Add prototype for script_add_library.
5721
5722 2010-06-07  Doug Kwan  <dougkwan@google.com>
5723
5724         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5725         Restrict stub-group size to be within long conditional branch
5726         range when working around cortex-A8 erratum.
5727
5728 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5729
5730         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5731         #ifdef typo.
5732
5733 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5734
5735         PR gold/11658
5736         * output.cc
5737         (Output_section::Input_section_sort_entry::compare_section_ordering):
5738         Change to return non-zero correctly.
5739         (Output_section::Input_section_sort_section_order_index_compare
5740         ::operator()): Change to fix ambiguity in comparisons.
5741
5742 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5743
5744         * gold.h (is_wildcard_string): New function.
5745         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5746         (Layout::layout_eh_frame): Ditto.
5747         (Layout::find_section_order_index): New method.
5748         (Layout::read_layout_from_file): New method.
5749         * layout.h (Layout::find_section_order_index): New method.
5750         (Layout::read_layout_from_file): New method.
5751         (Layout::input_section_position_): New private member.
5752         (Layout::input_section_glob_): New private member.
5753         * main.cc (main): Call read_layout_from_file here.
5754         * options.h (--section-ordering-file): New option.
5755         * output.cc (Output_section::input_section_order_specified_): New
5756         member.
5757         (Output_section::Output_section): Initialize new member.
5758         (Output_section::add_input_section): Add new parameter.
5759         Keep input sections when --section-ordering-file is used.
5760         (Output_section::set_final_data_size): Sort input sections when
5761         section ordering file is specified.
5762         (Output_section::Input_section_sort_entry): Add new parameter.
5763         Check sorting type.
5764         (Output_section::Input_section_sort_entry::compare_section_ordering):
5765         New method.
5766         (Output_section::Input_section_sort_compare::operator()): Change to
5767         consider section_order_index.
5768         (Output_section::Input_section_sort_init_fini_compare::operator()):
5769         Change to consider section_order_index.
5770         (Output_section::Input_section_sort_section_order_index_compare
5771         ::operator()): New method.
5772         (Output_section::sort_attached_input_sections): Change to sort
5773         according to section order when specified.
5774         (Output_section::add_input_section<32, true>): Add new parameter.
5775         (Output_section::add_input_section<64, true>): Add new parameter.
5776         (Output_section::add_input_section<32, false>): Add new parameter.
5777         (Output_section::add_input_section<64, false>): Add new parameter.
5778         * output.h (Output_section::add_input_section): Add new parameter.
5779         (Output_section::input_section_order_specified): New
5780         method.
5781         (Output_section::set_input_section_order_specified): New method.
5782         (Input_section::Input_section): Initialize section_order_index_.
5783         (Input_section::section_order_index): New method.
5784         (Input_section::set_section_order_index): New method.
5785         (Input_section::section_order_index_): New member.
5786         (Input_section::Input_section_sort_section_order_index_compare): New
5787         struct.
5788         (Output_section::input_section_order_specified_): New member.
5789         * script-sections.cc (is_wildcard_string): Delete and move modified
5790         method to gold.h.
5791         (Output_section_element_input::Output_section_element_input): Modify
5792         call to is_wildcard_string.
5793         (Output_section_element_input::Input_section_pattern
5794         ::Input_section_pattern): Ditto.
5795         (Output_section_element_input::Output_section_element_input): Ditto.
5796         * testsuite/Makefile.am (final_layout): New test case.
5797         * testsuite/Makefile.in: Regenerate.
5798         * testsuite/final_layout.cc: New file.
5799         * testsuite/final_layout.sh: New file.
5800
5801 2010-06-01  Rafael Espindola  <espindola@google.com>
5802
5803         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5804
5805 2010-06-01  Rafael Espindola  <espindola@google.com>
5806
5807         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5808         visibility of symbols.
5809
5810 2010-05-27  Doug Kwan  <dougkwan@google.com>
5811
5812         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5813         from start of output section instead of address for a local symbol
5814         in a merged or relaxed section when doing a relocatable link.
5815
5816 2010-05-26  Rafael Espindola  <espindola@google.com>
5817
5818         PR 11604
5819         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5820         adding sections the garbage collector removed.
5821         * gold/testsuite/Makefile.am: Add test.
5822         * gold/testsuite/Makefile.in: Regenerate.
5823         * gold/testsuite/plugin_test_7.sh: New.
5824         * gold/testsuite/plugin_test_7_1.c: New.
5825         * gold/testsuite/plugin_test_7_2.c: New.
5826
5827 2010-05-26  Rafael Espindola  <espindola@google.com>
5828
5829         * script-sections.cc (Output_section_definition::set_section_addresses):
5830         Check for --section-start.
5831
5832 2010-05-26  Doug Kwan  <dougkwan@google.com>
5833
5834         * arm.cc (Arm_scan_relocatable_relocs): New class.
5835         (Target_arm::relocate_special_relocatable): New method.
5836         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5837         (Arm_relocate_functions::thumb_branch_common): Same.
5838         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5839         instead of Default_scan_relocatable_relocs.
5840         * target-reloc.h (relocate_for_relocatable): Let target handle
5841         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5842         * target.h (Sized_target::relocate_special_relocatable): New method.
5843
5844 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5845
5846         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5847
5848 2010-05-23  Doug Kwan  <dougkwan@google.com>
5849
5850         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5851         instead of a cast.
5852         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5853         with a direct branch, not a conditional branch, to a stub.
5854         * merge.cc (Output_merge_base::record_input_section): New method
5855         defintion.
5856         (Output_merge_data::do_add_input_section): Record input section if
5857         keeps-input-sections flag is set.
5858         (Output_merge_string::do_add_input_section): Ditto.
5859         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5860         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5861         INPUT_SECTIONS_.
5862         (Output_merge_base::keeps_input_sections,
5863         Output_merge_base::set_keeps_input_sections,
5864         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5865         method definitions.
5866         (Output_merge_base::Input_sections): New type declaration.
5867         (Output_merge_base::input_sections_begin,
5868         Output_merge_base::input_sections_end,
5869         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5870         (Output_merge_base::bool keeps_input_sections_,
5871         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5872         Output_merge_base::input_sections_): New data members.
5873         (Output_merge_data::do_set_keeps_input_sections): New method
5874         defintion.
5875         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5876         * output.cc (Output_section::Input_section::relobj): Move method
5877         defintion from class declaration to here and handle merge sections.
5878         (Output_section::Input_section::shndx): Ditto.
5879         (Output_section::Output_section): Remove initializations of removed
5880         data members and initialize new data member LOOKUP_MAPS_.
5881         (Output_section::add_input_section): Set keeps-input-sections flag
5882         for a newly created merge output section as appropriate.  Adjust code
5883         to use Output_section_lookup_maps class.
5884         (Output_section::add_relaxed_input_section): Adjst code for lookup
5885         maps code refactoring.
5886         (Output_section::add_merge_input_section): Add a new parameter
5887         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5888         class.  If adding input section to a newly created merge output
5889         section fails, remove the new merge section.
5890         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5891         Adjust code for use of the Output_section_lookup_maps class.
5892         (Output_section::find_merge_section): Ditto.
5893         (Output_section::build_lookup_maps): New method defintion.
5894         (Output_section::find_relaxed_input_section): Adjust code to use
5895         Output_section_lookup_maps class.
5896         (Output_section::get_input_sections): Export merge sections.  Adjust
5897         code to use Output_section_lookup_maps class.
5898         (Output_section:::add_script_input_section): Adjust code to use
5899         Output_section_lookup_maps class.  Update lookup maps for merge
5900         sections also.
5901         (Output_section::discard_states): Use Output_section_lookup_maps.
5902         (Output_section::restore_states): Same.
5903         * output.h (Merge_section_properties): Move class defintion out of
5904         Output_section.
5905         (Output_section_lookup_maps): New class.
5906         (Output_section::Input_section::is_merge_section): New method
5907         defintion.
5908         (Output_section::Input_section::relobj): Move defintion out of class
5909         defintion.  Declare method only.
5910         (Output_section::Input_section::shndx): Ditto.
5911         (Output_section::Input_section::output_merge_base): New method defintion.
5912         (Output_section::Input_section::u2_.pomb): New union field.
5913         (Output_section::Merge_section_by_properties_map,
5914         Output_section::Output_section_data_by_input_section_map,
5915         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5916         Remove types.
5917         (Output_section::add_merge_input_section): Add new parameter
5918         KEEPS_INPUT_SECTIONS.
5919         (Output_section::build_lookup_maps): New method declaration.
5920         (Output_section::merge_section_map_,
5921         Output_section::merge_section_by_properties_map_,
5922         Output_section::relaxed_input_section_map_,
5923         Output_section::is_relaxed_input_section_map_valid_): Remove data
5924         members.
5925         (Output_section::lookup_maps_): New data member.
5926
5927 2010-05-21  Doug Kwan  <dougkwan@google.com>
5928
5929         PR gold/11619
5930         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5931         avoid a compilation error.
5932
5933 2010-05-19  Rafael Espindola  <espindola@google.com>
5934
5935         * script-sections.cc (Output_section_definition::allocate_to_segment):
5936         Update the phdrs_list even when the output section is NULL.
5937         * testsuite/Makefile.am: Add test.
5938         * testsuite/Makefile.in: Regenerate.
5939         * testsuite/script_test_9.cc: New.
5940         * testsuite/script_test_9.sh: New.
5941         * testsuite/script_test_9.t: New.
5942
5943 2010-05-19  Doug Kwan  <dougkwan@google.com>
5944
5945         * arm.cc (Arm_input_section::original_size): New method.
5946         (Arm_input_section::do_addralign): Add a cast.
5947         (Arm_input_section::do_output_offset): Remove static cast.
5948         (Arm_input_section::original_addralign,
5949          Arm_input_section::original_size_): Change type to uint32_t.
5950         (Arm_input_section::init): Add safe casts for section alignment
5951         and size.
5952         (Arm_input_section::set_final_data_size): Do not set address and
5953         offset of stub table.
5954         (Arm_output_section::fix_exidx_coverage): Change use of of
5955         Output_section::Simple_input_section to that of
5956         Output_section::Input_section.
5957         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5958         except for the first pass.
5959         * output.cc (Output_section::get_input_sections): Change type of
5960         input_sections to std::list<Input_section>.
5961         (Output_section::add_script_input_section): Rename from
5962         Output_section::add_simple_input_section.  Change type of SIS
5963         parameter from Simple_input_section to Input_section.
5964         * output.h (Output_section::Simple_input_section): Remove class.
5965         (Output_section::Input_section): Change class visibility to public.
5966         (Output_section::Input_section::addralign): Use stored alignments
5967         for special input sections if set.
5968         (Output_section::Input_section::set_addralign): New method.
5969         (Output_section::get_input_sections): Change parameter type from
5970         list of Simple_input_section to list of Input_section.
5971         (Output_section::add_script_input_section): Rename from
5972         Output_section::add_simple_input_section. Change first parameter's
5973         type from Simple_input_section to Input_section and remove the
5974         second and third parameters.
5975         * script-sections.cc (Input_section::Input_section_list): Change
5976         type to list of Output_section::Input_section/
5977         (Input_section_info::Input_section_info): Change parameter type of
5978         INPUT_SECTION to Output_section::Input_section.
5979         (Input_section_info::input_section): Change return type.
5980         (Input_section_info::input_section_): Change type to
5981         Output_section::Input_section.
5982         (Output_section_element_input::set_section_addresses): Adjust code
5983         to use Output_section::Input_section instead of
5984         Output_section::Simple_input_section.  Adjust code for renaming
5985         of Output_section::add_simple_input_section.
5986         (Orphan_output_section::set_section_addresses): Ditto.
5987
5988 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5989
5990         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5991         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5992
5993 2010-05-18  Rafael Espindola  <espindola@google.com>
5994
5995         * options.cc (General_options::finalize): Handle -nostdlib.
5996         * options.h (nostdlib): New option.
5997         * script.cc (script_add_search_dir): Handle -nostdlib.
5998
5999 2010-05-12  Doug Kwan  <dougkwan@google.com>
6000
6001         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6002         attributes section only if there no attributes section after merging.
6003         (Target_arm::merge_object_attributes): Move value of
6004         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6005         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6006         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6007         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6008         and arm_attr_merge_7.stdout.
6009         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6010         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6011         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6012         arm_attr_merge_7b.o): New rules.
6013         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6014         arm_attr_merge_7
6015         * testsuite/Makefile.in: Regenerate.
6016         * testsuite/arm_attr_merge.sh: New file.
6017         * testsuite/arm_attr_merge_[67][ab].s: Same.
6018
6019 2010-05-05  Nick Clifton  <nickc@redhat.com>
6020
6021         * po/es.po: Updated Spanish translation.
6022
6023 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6024
6025         * Makefile.am (install-exec-local): Properly install gold as
6026         default cross linker.
6027         * Makefile.in: Regenerated.
6028
6029 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6030             Nick Clifton  <nickc@redhat.com>
6031
6032         * configure.ac (install_as_default): Define and set to false
6033         unless --enable-gold or --enable-gold=both/gold has been
6034         specified.
6035         * configure: Regenerate.
6036
6037         * Makefile.am (install-exec-local): Install the executable as
6038         'ld.gold'.  If install_as_default is true then also install it as
6039         'ld'.
6040         * Makefile.in: Regenerated.
6041
6042 2010-04-24  Ian Lance Taylor  <iant@google.com>
6043
6044         * layout.cc (Layout::layout_reloc): In relocatable link don't
6045         combine reloc sections for grouped sections.
6046
6047 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6048
6049         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6050         sections that are not ordinary to icf.
6051         * icf.cc (get_section_contents): Handle relocation pointing to section
6052         with no object or shndx information.
6053         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6054         * testsuite/Makefile.in: Regenerate.
6055         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6056         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6057
6058 2010-04-22  Ian Lance Taylor  <iant@google.com>
6059
6060         * expression.cc (Expression::Expression_eval_info): Add
6061         result_alignment_pointer field.
6062         (Expression::eval_with_dot): Add result_alignment_pointer
6063         parameter.  Change all callers.
6064         (Expression::eval_maybe_dot): Likewise.
6065         (class Binary_expression): Add alignment_pointer parameter to
6066         left_value and right_value.  Change all callers.
6067         (BINARY_EXPRESSION): Set result alignment.
6068         (class Trinary_expression): Add alignment_pointer parameter to
6069         arg2_value and arg3_value.  Change all callers.
6070         (Trinary_cond::value): Set result alignment.
6071         (Max_expression::value, Min_expression::value): Likewise.
6072         (Align_expression::value): Likewise.
6073         * script-sections.cc (class Sections_element): Add dot_alignment
6074         parameter to set_section_addresses virtual function.  Update
6075         instantiations.
6076         (class Output_section_element): Likewise.
6077         (Script_sections::create_segments): Add dot_alignment parameter.
6078         Change all callers.
6079         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6080         (Script_sections::set_phdrs_clause_addresses): Likewise.
6081         * script-sections.h: Update declarations.
6082         * script.h: Update declarations.
6083         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6084         min_p_align.
6085         * testsuite/script_test_3.t: Set large alignment.
6086         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6087         segment has expected alignment.
6088
6089 2010-04-22  Nick Clifton  <nickc@redhat.com>
6090
6091         * po/gold.pot: Updated by the Translation project.
6092         * po/vi.po: Updated Vietnamese translation.
6093
6094 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6095
6096         * testsuite/Makefile.am (check_PROGRAMS): Add
6097         icf_virtual_function_folding_test.
6098         * testsuite/Makefile.in: Regenerated.
6099
6100 2010-04-15  Andrew Haley  <aph@redhat.com>
6101
6102         * options.h (merge_exidx_entries): New option.
6103         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6104         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6105         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6106         (Target_arm::merge_exidx_entries): New function.
6107         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6108         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6109         to Arm_exidx_fixup constructor.
6110         Add new arg, merge_exidx_entries.
6111         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6112         Arm_output_section::fix_exidx_coverage.
6113
6114 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6115
6116         * icf.cc (get_section_contents): Check for preemptible functions.
6117         Ignore addend when appropriate.
6118         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6119         section folded.
6120         (add_from_relobj): Check for section folded.
6121         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6122         * symtab.h (should_add_dynsym_entry): Add new parameter.
6123         * target-reloc.h (scan_relocs): Check for section folded.
6124         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6125         Check reloc types for function pointers in shared objects.
6126         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6127         case.
6128         (icf_preemptible_functions_test): New test case.
6129         (icf_string_merge_test): New test case.
6130         * testsuite.Makefile.in: Regenerate.
6131         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6132         bar_glob.  Refactor code.
6133         * testsuite/icf_preemptible_functions_test.cc: New file.
6134         * testsuite/icf_preemptible_functions_test.sh: New file.
6135         * testsuite/icf_string_merge_test.cc: New file.
6136         * testsuite/icf_string_merge_test.sh: New file.
6137         * testsuite/icf_virtual_function_folding_test.cc: New file.
6138         * testsuite/icf_virtual_function_folding_test.sh: New file.
6139
6140 2010-04-14  Doug Kwan  <dougkwan@google.com>
6141
6142         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6143         for local symbol recounting if we remove a section due to ICF.
6144         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6145         there are no regular objects in input.
6146
6147 2010-04-13  Doug Kwan  <dougkwan@google.com>
6148
6149         * arm.cc (Arm_input_section::set_final_data_size): Compute
6150         accurate final data size instead of using current data size.
6151
6152 2010-04-09  Doug Kwan  <dougkwan@google.com>
6153
6154         * layout.cc (Layout::choose_output_section): Handle script section
6155         types.
6156         (Layout::make_output_section_for_script): Add section type parameter.
6157         Handle script section types.
6158         * layout.h (Layout::make_output_section_for_script): Add section
6159         type parameter.
6160         * output.cc (Output_section::Output_section): Initialize data member
6161         is_noload_.
6162         (Output_section::do_reset_address_and_file_offset): Do not set address
6163         to 0 if section is a NOLOAD section.
6164         * output.h (Output_section::is_noload): New method.
6165         (Output_section::set_is_noload): Ditto.
6166         (Output_section::is_noload_): New data member.
6167         * script-c.h (Script_section_type): New enum type.
6168         (struct Parser_output_section_header): Add new file section_type.
6169         * script-sections.cc (Sections_element::output_section_name): Add
6170         parameter for returning script section type.
6171         (Output_section_definition::output_section_name): Ditto.
6172         (Output_section_definition::section_type)P; New method.
6173         (Output_section_definiton::script_section_type_name): Ditto.
6174         (Output_section_definition::script_section_type_): New data member.
6175         (Output_section_definition::Output_section_definition): Initialize
6176         data member Output_section_definition::script_section_type_.
6177         (Output_section_definition::create_sections): Pass script section type
6178         to Layout::make_output_section_for_script.
6179         (Output_section_definition::output_section_name): Return script
6180         section type to caller.
6181         (Output_section_definition::set_section_address): Do not advance
6182         dot value and load address if section type is NOLOAD.  Set address
6183         of NOLOAD sections regardless of section flags.
6184         (Output_section_definition::print): Print section type if it is
6185         not SCRIPT_SECTION_TYPE_NONE.
6186         (Output_section_definition::section_type): New method.
6187         (Output_section_definition::script_section_type_name): Ditto.
6188         (Script_sections::output_section_name): Add new parameter
6189         PSECTION_TYPE for returning script section type.  Pass it to
6190         section elements.  Handle discard sections.
6191         (Sort_output_sections::operator()): Handle NOLOAD sections.
6192         * script-sections.h (Script_sections::Section_type): New enum type.
6193         (Script_sections::output_section_name): Add a new parameter for
6194         returning script section type.
6195         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6196         INFO and NOLOAD.
6197         * yyscript.y (union): Add new field SECTION_TYPE.
6198         (COPY, DSECT, INFO, NOLOAD): New tokens.
6199         (opt_address_and_section_type): Change type to output_section_header.
6200         (section_type): New non-terminal
6201         (section_header): Handle section type.
6202         (opt_address_and_section_type): Return section type value.
6203
6204 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6205
6206         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6207         * testsuite/plugin_common_test_2.c (foo): Likewise.
6208
6209 2010-04-08  Doug Kwan  <dougkwan@google.com>
6210
6211         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6212         Output_merge_data.
6213         * output.cc (Output_section::add_merge_input_section): Simplify
6214         code and return status of Output_merge_base::add_input_section.
6215         Update merge section map only if Output_merge_base::add_input_section
6216         returns true.
6217
6218 2010-04-07  Doug Kwan  <dougkwan@google.com>
6219
6220         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6221         if section is marked as containing instructions but has no mapping
6222         symbols.
6223         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6224         correct section index.
6225         (Arm_relobj::find_linked_text_section): Ditto.
6226
6227 2010-04-07  Cary Coutant  <ccoutant@google.com>
6228
6229         * archive.cc (include_member): Destroy Read_symbols_data object before
6230         releasing file.
6231         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6232         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6233         (Read_symbols_data::~Read_symbols_data) New destructor.
6234         (Section_relocs::Section_relocs) New constructor.
6235         (Section_relocs::~Section_relocs) New destructor.
6236         (Read_relocs_data::Read_relocs_data) New constructor.
6237         (Read_relocs_data::~Read_relocs_data) New destructor.
6238         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6239         pointers to NULL after deleting.
6240
6241 2010-04-07  Doug Kwan  <dougkwan@google.com>
6242
6243         * arm.cc: Replace "endianity" with "endianness" in comments.
6244         (Arm_exidx_cantunwind): Ditto.
6245         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6246         (Arm_relobj::merge_flags_and_attributes): New method.
6247         (Arm_relobj::merge_flags_and_attributes_): New data member.
6248         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6249         (Arm_relobj::scan_sections_for_stubs): Ditto.
6250         (Arm_relobj::do_read_symbols): Check to see if we really want to
6251         merge processor-specific flags and attributes.  Exit early if
6252         an object is empty except for section names and the undefined symbol.
6253         (Target_arm::do_finalize_sections): Move check for ELF format to
6254         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6255         attributes from a regular object only when we have determined that
6256         it is aapropriate.  Do not create an .ARM.attributes section in
6257         output if there is no regular input object.
6258         (Target_arm::merge_processor_specific_flags): Check
6259         --warn-mismatch before printing any error.
6260         (Target_arm::merge_object_attributes): Ditto.
6261         * gold.cc (queue_middle_tasks): Handle the case in which there is
6262         no regular object in input.
6263         * options.cc (General_options::parse_EB): New method.
6264         (General_options::parse_EL): Same.
6265         (General_options::General_options): Initialize endianness_.
6266         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6267         New options.
6268         (General_options::Endianness): New enum.
6269         (General_options::endianness): New method.
6270         (General_options::endianness_): New data member.
6271         * parameters.cc (Parameters::set_options): Check target endianness.
6272         (Parameters::set_target_once): Ditto.
6273         (Parameters::check_target_endianness): New method.
6274         (parameters_force_valid_target): If either -EL or -EB is specified,
6275         use it to define endianness of default target.
6276         * parameters.h (Parameters::check_target_endianness): New method
6277         declaration.
6278         * target.h (class Target): Change "endianity" to "endianness"
6279         in comments.
6280
6281 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6282
6283         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6284         * configure: Regenerate.
6285         * Makefile.in: Regenerate.
6286         * testsuite/Makefile.in: Regenerate.
6287
6288 2010-04-06  Cary Coutant  <ccoutant@google.com>
6289
6290         gcc PR lto/42757
6291         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6292         prevailing definitions of common symbols.
6293         * testsuite/plugin_test_6.sh: New test case.
6294         * testsuite/plugin_common_test_1.c: New test case.
6295         * testsuite/plugin_common_test_2.c: New test case.
6296         * testsuite/Makefile.am (plugin_test_6): New test case.
6297         * testsuite/Makefile.in: Regenerate.
6298
6299 2010-04-06  Nick Clifton  <nickc@redhat.com>
6300
6301         * po/vi.po: New Vietnamese translation.
6302
6303 2010-03-30  Doug Kwan  <dougkwan@google.com>
6304
6305         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6306
6307 2010-03-25  Doug Kwan  <dougkwan@google.com>
6308
6309         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6310         to avoid a conversion warning on a 32-bit host.
6311
6312 2010-03-24  Ian Lance Taylor  <iant@google.com>
6313
6314         * testsuite/script_test_3.t: Add a TLS segment.
6315         * testsuite/Makefile.am (check_PROGRAMS): Add
6316         tls_phdrs_script_test.
6317         (tls_phdrs_script_test_SOURCES): Define.
6318         (tls_phdrs_script_test_DEPENDENCIES): Define.
6319         (tls_phdrs_script_test_LDFLAGS): Define.
6320         (tls_phdrs_script_test_LDADD): Define.
6321         * testsuite/Makefile.in: Rebuild.
6322
6323 2010-03-23  Cary Coutant  <ccoutant@google.com>
6324
6325         * fileread.cc (find_or_make_view): Fix comment.
6326
6327 2010-03-23  Ian Lance Taylor  <iant@google.com>
6328
6329         * script-sections.cc (class Orphan_section_placement): Define
6330         PLACE_TLS and PLACE_TLS_BSS.
6331         (Orphan_section_placement::Orphan_section_placement): Initialize
6332         new places.
6333         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6334         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6335         (tls_script_test_SOURCES): Define.
6336         (tls_script_test_DEPENDENCIES): Define.
6337         (tls_script_test_LDFLAGS): Define.
6338         (tls_script_test_LDADD): Define.
6339         * testsuite/Makefile.in: Rebuild.
6340
6341 2010-03-22  Doug Kwan  <dougkwan@google.com>
6342
6343         * arm.cc (Arm_relocate_functions::abs8,
6344         Arm_relocate_functions::abs16): Use correct check for overflow
6345         specified in the ARM ELF specs.
6346         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6347         target of a BLX instruction specially.
6348         (Reloc_stub::stub_type_for_reloc): Ditto.
6349         (Relocate::relocate): Use symbolic names instead of numeric relocation
6350         codes to report error.
6351         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6352         workaround.
6353         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6354         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6355         thumb2_blx_out_of_range.stdout
6356         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6357         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6358         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6359         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6360         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6361         thumb2_blx_in_range, thumb2_blx_in_range.o,
6362         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6363         thumb2_blx_out_of_range.o): New rules.
6364         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6365         thumb2_blx_in_range and thumb2_blx_out_of_range.
6366         * testsuite/Makefile.in: Regenerate.
6367         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6368         * testsuite/thumb_blx_in_range.s: New file.
6369         * testsuite/thumb_blx_out_of_range.s: New file.
6370
6371 2010-03-22  Rafael Espindola  <espindola@google.com>
6372
6373         * archive.cc (Should_include): Move to archive.h.
6374         (should_include_member): Make it a member of Archive.
6375         (Lib_group): New.
6376         (Add_lib_group_symbols): New.
6377         * archive.h: Include options.h.
6378         (Archive_member): Moved from Archive.
6379         (Should_include): Moved from archive.cc.
6380         (Lib_group): New.
6381         (Add_lib_group_symbols): New.
6382         * dynobj.cc (do_should_include_member): New.
6383         * dynobj.h (do_should_include_member): New.
6384         * gold.cc (queue_initial_tasks): Update call to queue.
6385         * main.cc (main): Print lib group stats.
6386         * object.cc (do_should_include_member): New.
6387         * object.h: Include archive.h.
6388         (Object::should_include_member): New.
6389         (Object::do_should_include_member): New.
6390         (Sized_relobj::do_should_include_member): New.
6391         * options.cc (General_options::parse_start_lib): New.
6392         (General_options::parse_end_lib): New.
6393         (Input_arguments::add_file): Handle lib groups.
6394         (Input_arguments::start_group): Check we are not in a lib.
6395         (Input_arguments::start_lib): New.
6396         (Input_arguments::end_lib): New.
6397         * options.h (General_options): Add start_lib and end_lib.
6398         (Input_argument::lib_): New.
6399         (Input_argument::lib): New.
6400         (Input_argument::is_lib): New.
6401         (Input_file_lib): New.
6402         (Input_arguments::in_lib_): New.
6403         (Input_arguments::in_lib): New.
6404         (Input_arguments::start_lib): New.
6405         (Input_arguments::end_lib_): New.
6406         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6407         in unused members as preempted.
6408         (Sized_pluginobj::do_should_include_member): New.
6409         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6410         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6411         return the blocker.
6412         (Read_symbols::do_whole_lib_group): New.
6413         (Read_symbols::do_lib_group): New.
6414         (Read_symbols::do_read_symbols): Handle lib groups.
6415         (Read_symbols::get_name): Handle lib groups.
6416         * readsyms.h (Read_symbols): Add an archive member pointer.
6417         (Read_symbols::do_whole_lib_group): New.
6418         (Read_symbols::do_lib_group): New.
6419         (Read_symbols::member_): New.
6420         * script.cc (read_input_script): Update call to queue_soon.
6421
6422 2010-03-19  Doug Kwan  <dougkwan@google.com>
6423
6424         * arm.cc (Stub_table::Stub_table): Initialize new data members
6425         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6426         (Stub_table::add_reloc_stub): Assign stub offset and update
6427         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6428         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6429         New data members.
6430         (Stub_table::update_data_size_and_addralign): Use
6431         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6432         instead of going over all reloc stubs.
6433         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6434         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6435         Stringpool_template::offset_ to size of Stringpool_char.
6436         (Stringpool_template::new_key_offset): Remove code to initialize
6437         Stringpool_template::offset_.
6438         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6439         Stringpool_template::offset_ to zero.
6440
6441 2010-03-15  Doug Kwan  <dougkwan@google.com>
6442
6443         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6444         offset_.
6445         (Stringpool_template::new_key_offset): New method.
6446         (Stringpool_template::add_string): Assign offsets when adding new
6447         strings.
6448         (Stringpool_template::set_string_offsets): Do not set string offsets
6449         when not optimizing.
6450         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6451         member size_.
6452         (Chunked_vector::clear): Clear size_.
6453         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6454         (Chunked_vector::size): Return size_.
6455         (Chunked_vector::push_back): Use size_ to find insert position.
6456         (Chunked_vector::size_): New data member.
6457         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6458         (Stringpool_template::new_key_offset): New method declaration.
6459         (Stringpool_template::offset_): New data member.
6460
6461 2010-03-15   Rafael Espindola  <espindola@google.com>
6462
6463         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6464         Add_symbols' constructor.
6465         * readsyms.h (Add_symbols): Remove the input_group member.
6466
6467 2010-03-10  Ian Lance Taylor  <iant@google.com>
6468
6469         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6470         target to ask whether a reference to a symbol requires a stack
6471         split.
6472         * target.h (Target::is_call_to_non_split): New function.
6473         (Target::do_is_call_to_non_split): Declare virtual function.
6474         * target.cc: Include "symtab.h".
6475         (Target::do_is_call_to_non_split): New function.
6476         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6477
6478 2010-03-10  Cary Coutant  <ccoutant@google.com>
6479
6480         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6481         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6482         (File_read::open[2]): Add whole_file_view_ to list of views.
6483         (File_read::make_view): Remove test of whole_file_view_.
6484         (File_read::find_or_make_view): Create whole_file_view_ if
6485         necessary.
6486         (File_read::clear_views): Replace bool parameter with enum;
6487         adjust all callers.  Don't delete views with permanent data;
6488         do delete cached views and views from archives if
6489         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6490         if clearing the corresponding view.
6491         * fileread.h (File_read::Clear_views_mode): New enum.
6492         (File_read::View::is_permanent_view): New method.
6493         (File_read::clear_views): Replace bool parameter
6494         with enum; adjust all callers.
6495         * options.h (General_options): Change keep_files_mapped option;
6496         add map_whole_files.
6497         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6498         releasing the file.
6499         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6500         the file.
6501
6502 2010-03-10  David S. Miller  <davem@davemloft.net>
6503
6504         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6505
6506 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6507
6508         * icf.cc (get_section_contents): Add '@' marker after processing the
6509         merge reloc.
6510
6511 2010-03-08  Doug Kwan  <dougkwan@google.com>
6512
6513         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6514         due to a conversion warning.
6515         (Arm_relobj::update_output_local_symbol_count): Check for local
6516         symbol with unset output index.
6517
6518 2010-03-05  Ian Lance Taylor  <iant@google.com>
6519
6520         * options.h (class General_options): Add --spare-dynamic-tags.
6521         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6522         --spare-dynamic-tags.
6523
6524 2010-03-05  Ian Lance Taylor  <iant@google.com>
6525
6526         * incremental.cc: Include "libiberty.h".
6527
6528 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6529
6530         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6531         function, is_info_ member.
6532         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6533         (Versions::Versions): Update caller.
6534         (Versions::define_base_version): Likewise.
6535         (Versions::add_def): Likewise.
6536
6537 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6538
6539         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6540         (Scan::possible_function_pointer_reloc): New function.
6541         (Scan::local_reloc_may_be_function_pointer): Change to call
6542         possible_function_pointer_reloc.
6543         (Scan::global_reloc_may_be_function_pointer): Ditto.
6544         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6545         relocations in ".data.rel.ro._ZTV" section.
6546         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6547         * testsuite/icf_safe_so_test.cc: Ditto.
6548         * testsuite/icf_safe_test.cc: Ditto.
6549         * testsuite/icf_safe_test.sh: Ditto.
6550
6551 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6552             Ian Lance Taylor  <iant@google.com>
6553
6554         * target-reloc.h (relocate_section): Check the symbol table index
6555         for -1U before setting the local symbol index.
6556         (scan_relocatable_relocs): If copying the relocation, record that
6557         the local symbol is required.
6558         * object.h (Symbol_value::is_output_symtab_index_set): New
6559         function.
6560         (Symbol_value::may_be_discarded_from_output_symtab): New
6561         function.
6562         (Symbol_value::has_output_symtab_entry): New function.
6563         (Symbol_value::needs_output_symtab_entry): Remove.
6564         (Symbol_value::output_symtab_index): Make sure the symbol index is
6565         set.
6566         (Symbol_value::set_output_symtab_index): Make sure the symbol
6567         index is not set.  Make sure the new index is valid.
6568         (Symbol_value::set_must_have_output_symtab_entry): New function.
6569         (Symbol_value::has_output_dynsym_entry): New function.
6570         (Symbol_value::set_output_dynsym_index): Make sure the new index
6571         is valid.
6572         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6573         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6574         local symbol if permitted.
6575         (Sized_relobj::do_finalize_local_symbols): Call
6576         is_output_symtab_index_set rather than needs_output_symtab_entry.
6577         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6578         rather than needs_output_symtab_entry.  Call
6579         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6580         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6581         is_output_symtab_index_set rather than needs_output_symtab_entry.
6582         * testsuite/discard_locals_relocatable_test.c: New file.
6583         * testsuite/discard_locals_test.sh: Test -r.
6584         * testsuite/Makefile.am (check_DATA): Add
6585         discard_locals_relocatable_test1.syms,
6586         discard_local_relocatable_test2.syms.
6587         (MOSTLYCLEANFILES): Likewise.  Also add
6588         discard_locals_relocatable_test1.lout and
6589         discard_locals_relocatable_test2.out.
6590         (discard_locals_relocatable_test1.syms): New target.
6591         (discard_locals_relocatable_test.o): New target.
6592         (discard_locals_relocatable_test1.out): New target.
6593         (discard_locals_relocatable_test2.syms): New target.
6594         (discard_locals_relocatable_test2.out): New target.
6595         (various): Add missing ../ld-new dependencies.
6596         * testsuite/Makefile.in: Rebuild.
6597
6598 2010-03-03  Nick Clifton  <nickc@redhat.com>
6599
6600         * po/fi.po: New Finnish translation.
6601
6602 2010-03-01  Doug Kwan  <dougkwan@google.com>
6603
6604         * layout.cc (Layout::Layout): Force section types of .init_array*,
6605         .preinit_array* and .fini_array* sections.
6606         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6607         Fix check of return value of std::string::find.().
6608         (Output_section::Input_section_sort_compare::operator()): Remove
6609         comment about .init_array.
6610         (Output_section::Input_section_sort_init_fini_compare::operator()):
6611         New method.
6612         (Output_section::sort_attached_input_sections): Handle .init_array
6613         and .fini_array specially.
6614         * output.h (Output_section::Inut_section_sort_compare): Update
6615         comment.
6616         (Output_section::Input_section_sort_init_fini_compare): New struct.
6617
6618 2010-02-26  Doug Kwan  <dougkwan@google.com>
6619
6620         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6621         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6622         * testsuite/debug_msg.sh: Avoid matching source line number for
6623         use of global variable undef_int.
6624
6625 2010-02-26  Doug Kwan  <dougkwan@google.com>
6626
6627         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6628         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6629         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6630         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6631         * options.cc (General_options::General_options): Initialize member
6632         fix_v4bx_.
6633         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6634         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6635         and rm_no_fix_v4bx.stdout
6636         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6637         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6638         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6639         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6640         and arm_no_fix_v4bx.
6641         * Makefile.in: Regenerate.
6642         * testsuite/arm_fix_v4bx.s: New file.
6643         * testsuite/arm_fix_v4bx.sh: Ditto.
6644
6645 2010-02-24  Doug Kwan  <dougkwan@google.com>
6646
6647         * arm.cc (Target_arm::got_section): Make the .got section the first
6648         non RELRO section in the data segment.
6649         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6650         suffixes of section names.
6651
6652 2010-02-24  Doug Kwan  <dougkwan@google.com>
6653
6654         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6655         flags and attributes merging if an input file is a binary file.
6656         * fileread.cc (Input_file::open): Record format of original file.
6657         * fileread.h (Input_file::Format): New enum type.
6658         (Input_file::Input_file): Initialize data member format_.
6659         (Input_file::format): New method definition.
6660         (Input_file::format_):: New data member.
6661
6662 2010-02-24  Doug Kwan  <dougkwan@google.com>
6663
6664         * arm.cc (Arm_output_data_got): New class.
6665         (ARM_TCB_SIZE): New constant
6666         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6667         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6668         If user uses a script with a SECTIONS clause, issue only a warning
6669         for a misplaced EXIDX input section.  Otherwise, issue an error.
6670         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6671         garbage collection.
6672         (Target_arm::got_mode_index_entry): Handle static linking.
6673         (Target_arm::Scan::local): Ditto.
6674         (Target_arm::Scan::global): Ditto.
6675         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6676         all incorrectly implemented relocations.
6677         (Target_arm::fix_exidx_coverage): Pass layout to
6678         Arm_output_section::fix_exidx_coverage.
6679         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6680         from ".ARM.exidx." and ".ARM.extab.".
6681
6682 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6683
6684         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6685         section if it does not already exist.
6686         * attributes.cc (Attributes_section_data::Attributes_section_data):
6687         Don't crash if size is zero.
6688
6689 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6690             Ian Lance Taylor  <iant@google.com>
6691
6692         * gold.cc (queue_middle_tasks): If no input files were opened,
6693         exit.
6694         * workqueue.h (Task_function::Task_function): Assert that there is
6695         a blocker.
6696
6697 2010-02-22  Doug Kwan  <dougkwan@google.com>
6698
6699         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6700         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6701         types to avoid warnings due to different uint64_t implementations
6702         on different hosts.
6703
6704 2010-02-21  Doug Kwan  <dougkwan@google.com>
6705
6706         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6707         handling of the maximum backward branch offset.
6708         (Arm_relocate_functions::thumb_branch_common): Ditto.
6709         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6710         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6711         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6712         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6713         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6714         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6715         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6716         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6717         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6718         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6719         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6720         thumb2_bl_out_of_range.o): New rules.
6721         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6722         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6723         thumb2_bl_out_of_range
6724         * testsuite/Makefile.in: Regenerate.
6725         * testsuite/arm_bl_in_range.s: New file.
6726         * testsuite/arm_bl_out_of_range.s: Ditto.
6727         * testsuite/arm_branch_in_range.sh: Ditto.
6728         * testsuite/arm_branch_range.t: Ditto.
6729         * testsuite/thumb2_branch_range.t: Ditto.
6730         * testsuite/thumb_bl_in_range.s: Ditto.
6731         * testsuite/thumb_bl_out_of_range.s: Ditto.
6732         * testsuite/thumb_branch_range.t: Ditto.
6733
6734 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6735
6736         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6737         Add reloc offset information.
6738         * icf.cc (get_section_contents): Change iterators to point to the new
6739         vectors. Add reloc offset information to the contents.
6740         * icf.h (Icf::Sections_reachable_info): New typedef.
6741         (Icf::Sections_reachable_list): New typedef.
6742         (Icf::Offset_info): New typedef.
6743         (Icf::Reloc_info): New struct typedef.
6744         (Icf::Reloc_info_list): New typedef.
6745         (Icf::symbol_reloc_list): Delete method.
6746         (Icf::addend_reloc_list): Delete method.
6747         (Icf::section_reloc_list): Delete method.
6748         (Icf::reloc_info_list): New method.
6749         (Icf::reloc_info_list_): New member.
6750
6751 2010-02-19  Doug Kwan  <dougkwan@google.com>
6752
6753         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6754         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6755         * arm.cc (Arm_relocation_functions): New forward declaration.
6756         (Target_arm::Target_arm): Initialize new data members
6757         got_mod_index_offset_ and tls_base_symbol_defined_.
6758         (Target_arm::Relocate::relocate_tls): New method.
6759         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6760          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6761         New methods.
6762         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6763         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6764         (Target_arm::got_mod_index_offset_,
6765         Target_arm::tls_base_symbol_defined_): New data members.
6766         (Target_arm::Scan::local, Target::Scan::global,
6767         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6768         relocations.
6769
6770 2010-02-18  Doug Kwan  <dougkwan@google.com>
6771
6772         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6773         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6774         text section as a parameter becuase some broken tools may not set
6775         the link in section header.
6776         (Target_arm::has_got_section): New method.
6777         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6778         without any mapping symbol as data only.  Remove warning.
6779         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6780         link in its section header, try to discover the link by inspecting the
6781         REL31 relocation at the beginning of the section.
6782         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6783         in error message.
6784         (Target_arm::Scan::global): Treat any reference to the symbol
6785         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6786
6787 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6788
6789         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6790         (Scan::global_reloc_may_be_function_pointer): New function.
6791         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6792         (Scan::global_reloc_may_be_function_pointer): New function.
6793         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6794         (Scan::global_reloc_may_be_function_pointer): New function.
6795         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6796         (Scan::global_reloc_may_be_function_pointer): New function.
6797         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6798         (Scan::global_reloc_may_be_function_pointer): New function.
6799         (Scan::possible_function_pointer_reloc): New function.
6800         (Target_x86_64::can_check_for_function_pointers): New function.
6801         * gc.h (gc_process_relocs): Scan relocation types to determine if
6802         function pointers were taken for targets that support it.
6803         * icf.cc (Icf::find_identical_sections): Include functions for
6804         folding in safe ICF whose pointer is not taken.
6805         * icf.h (Secn_fptr_taken_set): New typedef.
6806         (fptr_section_id_): New member.
6807         (section_has_function_pointers): New function.
6808         (set_section_has_function_pointers): New function.
6809         (check_section_for_function_pointers): New function.
6810         * options.h: Fix comment for safe ICF option.
6811         * target.h (can_check_for_function_pointers): New function.
6812         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6813         Modify icf_safe_test for X86-64.
6814         * testsuite/Makefile.in: Regenerate.
6815         * testsuite/icf_safe_so_test.cc: New file.
6816         * testsuite/icf_safe_so_test.sh: New file.
6817         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6818         (main): Change to take pointer to function kept_func_3.
6819         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6820         folding is done correctly for X86-64.
6821
6822 2010-02-12  David S. Miller  <davem@davemloft.net>
6823
6824         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6825         is_symbolless parameter.
6826         (Output_reloc<SHT_REL>::is_symbolless): New.
6827         (Output_reloc<SHT_REL>::is_symbolless_): New.
6828         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6829         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6830         (Output_reloc<SHT_RELA>::is_symbolless): New.
6831         (Output_data_reloc::add_global): Handle is_symbolless.
6832         (Output_data_reloc::add_global_relative): Likewise.
6833         (Output_data_reloc::add_local): Likewise.
6834         (Output_data_reloc::add_local_relative): Likewise.
6835         (Output_data_reloc::add_symbolless_global_addend): New.
6836         (Output_data_reloc::add_symbolless_local_addend): New.
6837         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6838         is_symbolless.
6839         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6840         instead of ->is_relative_
6841         (Output_reloc::write): Likewise.
6842         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6843         (Output_reloc::write_rel): Simplify.
6844
6845         * sparc.cc (Target_sparc::Scan::local): Use
6846         ->add_symbolless_local_addend as needed.
6847         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6848         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6849         based upon relocation offset.
6850
6851 2010-02-11  Doug Kwan  <dougkwan@google.com>
6852
6853         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6854         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6855         beginning of function.
6856         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6857         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6858         parameter is_32bit in calls to should_apply_static_reloc.
6859         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6860         (check_DATA): Add arm_abs_global.stdout.
6861         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6862         arm_abs_global.stdout): New rules.
6863         (MOSTLLYCLEANFILES): Add arm_abs_global
6864         * Makefile.in: Regenerate.
6865         * testsuite/arm_abs_global.s: New file.
6866         * testsuite/arm_abs_global.sh: Ditto.
6867         * testsuite/arm_abs_lib.s: Ditto.
6868
6869 2010-02-11  Ian Lance Taylor  <iant@google.com>
6870
6871         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6872         Read_relocs task.
6873         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6874         Allocate_commons_task first.
6875         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6876         task, rather than symtab_lock_.
6877         (Gc_process_relocs::~Gc_process_relocs): New function.
6878         (Gc_process_relocs::is_runnable): Check this_blocker_.
6879         (Gc_process_relocs::locks): Use next_blocker_ rather than
6880         blocker_.
6881         (Scan_relocs::~Scan_relocs): New function.
6882         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6883         symtab_lock_.
6884         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6885         next_blocker_.
6886         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6887         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6888         constructor accordingly.
6889         (class Gc_process_relocs): Likewise.
6890         (class Scan_relocs): Likewise.
6891         * common.h (class Allocate_commons_task): Remove symtab_lock_
6892         field, and corresponding constructor parameter.
6893         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6894         symtab_lock_.
6895         (Allocate_commons_task::locks): Likewise.
6896
6897 2010-02-11  Ian Lance Taylor  <iant@google.com>
6898
6899         * gold-threads.h (class Once): Define.
6900         (class Initialize_lock): Rewrite as child of Once.
6901         * gold-threads.cc (class Once_initialize): Define.
6902         (once_pointer_control): New static variable.
6903         (once_pointer, once_arg): New static variables.
6904         (c_run_once): New static function.
6905         (Once::Once, Once::run_once, Once::internal_run): New functions.
6906         (class Initialize_lock_once): Remove.
6907         (initialize_lock_control): Remove.
6908         (initialize_lock_pointer): Remove.
6909         (initialize_lock_once): Remove.
6910         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6911         (Initialize_lock::initialize): Rewrite.
6912         (Initialize_lock::do_run_once): New function.
6913         * archive.cc (Archive::interpret_header): Only clear name if it is
6914         not already empty.
6915         * fileread.cc: Include "gold-threads.h"
6916         (file_counts_lock): New static variable.
6917         (file_counts_initialize_lock): Likewise.
6918         (File_read::release): Only increment counts when using --stats.
6919         Use a lock around the increment.
6920         * parameters.cc (class Set_parameters_target_once): Define.
6921         (set_parameters_target_once): New static variable.
6922         (Parameters::Parameters): Move here from parameters.h.
6923         (Parameters::set_target): Rewrite.
6924         (Parameters::set_target_once): New function.
6925         (Parameters::clear_target): Move here and rewrite.
6926         * parameters.h (class Parameters): Update declarations.  Add
6927         set_parameters_target_once_ field.
6928         (Parameters::Parameters): Move to parameters.cc.
6929         (Parameters::clear_target): Likewise.
6930         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6931         task.
6932         (Start_group::~Start_group): New function.
6933         (Start_group::is_runnable): New function.
6934         (Start_group::locks, Start_group::run): New functions.
6935         (Finish_group::run): Change saw_undefined to size_t.
6936         * readsyms.h (class Start_group): Define.
6937         (class Finish_group): Change saw_undefined_ field to size_t.
6938         (Finish_group::Finish_group): Remove saw_undefined and
6939         this_blocker parameters.  Change all callers.
6940         (Finish_group::set_saw_undefined): New function.
6941         (Finish_group::set_blocker): New function.
6942         * symtab.h (class Symbol_table): Change saw_undefined to return
6943         size_t.  Change saw_undefined_ field to size_t.
6944         * target-select.cc (Set_target_once::do_run_once): New function.
6945         (Target_selector::Target_selector): Initialize set_target_once_
6946         field.  Don't initialize lock_ and initialize_lock_ fields.
6947         (Target_selector::instantiate_target): Rewrite.
6948         (Target_selector::set_target): New function.
6949         * target-select.h (class Set_target_once): Define.
6950         (class Target_selector): Update declarations.  Make
6951         Set_target_once a friend.  Remove lock_ and initialize_lock_
6952         fields.  Add set_target_once_ field.
6953
6954 2010-02-10  Ian Lance Taylor  <iant@google.com>
6955
6956         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6957         queueing any tasks.
6958         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6959         (queue_middle_tasks): Add all blockers before queueing any tasks.
6960         (queue_final_tasks): Likewise.
6961         * token.h (Task_token::add_blockers): New function.
6962         * object.h (Input_objects::number_of_relobjs): New function.
6963
6964 2010-02-10  Ian Lance Taylor  <iant@google.com>
6965
6966         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6967         shared, not if not position independent.
6968         * x86_64.cc (Relocate::relocate_tls): Likewise.
6969         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6970         (tls_pie_pic_test): New target.
6971         * testsuite/Makefile.in: Rebuild.
6972
6973         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6974         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6975         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6976         * testsuite/Makefile.in: Rebuild.
6977
6978 2010-02-09  David S. Miller  <davem@davemloft.net>
6979
6980         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6981         R_SPARC_RELATIVE using ->add_local_relative().
6982         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6983
6984         * output.h (Output_data_dynamic::add_section_size): New method
6985         that takes two Output_data objects.
6986         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6987         entry param.  Handle it in initializers.
6988         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6989         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6990         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6991         arg.
6992         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6993         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6994         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6995         for dynrel_includes_plt.
6996         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6997         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6998         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6999         before .rela.plt
7000         (Target_sparc::do_finalize_sections): Update to pass true for
7001         dynrel_includes_plt.
7002         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7003         output before .rela.plt
7004         (Target_powerpc::do_finalize_sections): Update to pass true for
7005         dynrel_includes_plt when 32-bit.
7006
7007 2010-02-08  Doug Kwan  <dougkwan@google.com>
7008
7009         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7010         method.
7011         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7012         Arm_relobj::scan_section_for_cortex_a8_stubs,
7013         Arm_relobj::do_relocation_section): Instead of calling
7014         Output_section::output_address, use faster
7015         Arm_relobj::simple_input_section_output_address.
7016
7017 2010-02-08  David S. Miller  <davem@davemloft.net>
7018
7019         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7020         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7021         relocation helper function.
7022
7023         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7024         just like R_SPARC_GOT{10,13,22}.
7025         (Target_sparc::Scan::local): Likewise.
7026         (Target_sparc::Relocate:relocate): Likewise.
7027
7028 2010-02-06  Ian Lance Taylor  <iant@google.com>
7029
7030         * configure.ac: Rewrite targetobjs duplicate removal code to use
7031         only shell constructs.
7032         * configure: Rebuild.
7033
7034 2010-02-05  Doug Kwan  <dougkwan@google.com>
7035
7036         PR 11247
7037         * arm.cc (Arm_relobj::section_is_scannable): New method.
7038         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7039         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7040
7041 2010-02-04  Doug Kwan  <dougkwan@google.com>
7042
7043         PR 11247
7044         * arm-reloc-property.cc (cstdio): Include.
7045         * configure.ac (targetobjs): Remove duplicates.
7046         * configure: Regenerate.
7047         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7048         big and little endian version for a given address size.
7049
7050 2010-02-03  Doug Kwan  <dougkwan@google.com>
7051
7052         * arm-reloc-property.cc
7053         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7054         definition.
7055         * arm-reloc-property.h
7056         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7057         New method definition.
7058         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7059         declaration.
7060         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7061         overflow to N.
7062         (GOT_PREL): Change implemented to Y.
7063         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7064         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7065         (Arm_relocate_functions::movw_abs_nc): Remove method.
7066         (Arm_relocate_functions::movt_abs): Ditto.
7067         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7068         (Arm_relocate_functions::thm_movt_abs): Ditto.
7069         (Arm_relocate_functions::movw_rel_nc): Ditto.
7070         (Arm_relocate_functions::movw_rel): Ditto.
7071         (Arm_relocate_functions::movt_rel): Ditto.
7072         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7073         (Arm_relocate_functions:thm_movw_rel): Ditto.
7074         (Arm_relocate_functions:thm_movt_rel): Ditto.
7075         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7076         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7077         New method definitions.
7078         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7079         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7080         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7081         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7082         (Target_arm::Relocate::relocate): Check for non-static or
7083         unimplemented relocation code and exit early.  Change calls to
7084         Target_arm::reloc_uses_thumb_bit and
7085         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7086         instead.  Refactor code to handle similar relocations to increase
7087         code sharing.  Remove check for unsupported relocation code in switch
7088         statement.
7089         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7090         relocation property table to find out size.  Change error message to
7091         print out the name of a relocation code instead of the numeric value.
7092         (Target_arm::scan_reloc_for_stub): Use relocation property table
7093         instead of calling Target_arm::reloc_uses_thumb_bit().
7094
7095 2010-02-02  Doug Kwan  <dougkwan@google.com>
7096
7097         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7098         types of relaxed input section.
7099
7100 2010-02-02  Doug Kwan  <dougkwan@google.com>
7101
7102         * Makefile.am (HFILES): Add arm-reloc-property.h.
7103         (DEFFILES): New.
7104         (TARGETSOURCES): Add arm-reloc-property.cc
7105         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7106         (libgold_a_SOURCES): $(DEFFILES)
7107         * Makefile.in: Regenerate.
7108         * arm-reloc-property.cc: New file.
7109         * arm-reloc-property.h: New file.
7110         * arm-reloc.def: New file.
7111         * arm.cc: Update comments.
7112         (arm-reloc-property.h): New included header.
7113         (arm_reloc_property_table): New global variable.
7114         (Target_arm::do_select_as_default_target): New method definition.
7115         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7116         arm-reloc-property to targ_extra_obj.
7117         * parameters.cc (set_parameters_target): Call
7118         Target::select_as_default_target().
7119         * target.h (Target::select_as_default_target): New method definition.
7120         (Target::do_select_as_default_target): Same.
7121
7122 2010-02-01  Doug Kwan  <dougkwan@google.com>
7123
7124         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7125         first_output_text_section_.
7126         (Arm_exidx_fixup::first_output_text_section): New method definition.
7127         (Arm_exidx_fixup::first_output_text_section_): New data member.
7128         (Arm_exidx_fixup::process_exidx_section): Record the first text
7129         output section seen.
7130         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7131         and entsize in output section header.
7132
7133 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7134
7135         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7136         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7137         (Arm_relocate_functions::thm_alu11): New Method.
7138         (Arm_relocate_functions::thm_pc8): New Method.
7139         (Arm_relocate_functions::thm_pc12): New Method.
7140         (Target_arm::Scan::local): Handle the relocations.
7141         (Target_arm::Scan::global): Likewise.
7142         (Target_arm::Relocate::relocate): Likewise.
7143         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7144
7145 2010-01-29  Doug Kwan  <dougkwan@google.com>
7146
7147         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7148         of relocation types as ld.
7149
7150 2010-01-29  Doug Kwan  <dougkwan@google.com>
7151
7152         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7153         to public.
7154         (Arm_relocate_functions::thumb_branch_common): Ditto.
7155         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7156         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7157         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7158         Arm_relocate_functions::jump24): Remove.
7159         (Target_arm::Relocate::relocate): Adjust code to call
7160         Arm_relocation_functions::arm_branch_common and
7161         Arm_relocation_functions::thumb_branch_common instead of their removed
7162         wrappers.  Merge switch-cases together to reduce source code size.
7163
7164 2010-01-29  Doug Kwan  <dougkwan@google.com>
7165
7166         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7167         output_local_symbol_count_needs_update_.
7168         (Arm_relobj::output_local_symbol_count_needs_update,
7169          Arm_relobj::set_output_local_symbol_count_needs_update,
7170          Arm_relobj::update_output_local_symbol_count): New methods.
7171         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7172         member.
7173         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7174         of pointed function as in a R_ARM_PREL31 relocation.
7175         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7176         for output local symbol count updating.
7177         (Target_arm::do_relax): Update output local symbol counts in objects
7178         if necessary.
7179         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7180
7181 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7182
7183         * arm.cc: Added support for the ARM relocations:
7184         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7185         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7186         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7187         movw_prel_nc).
7188         (Arm_relocate_functions::movw_rel): New method.
7189         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7190         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7191         thm_movw_prel_nc).
7192         (Arm_relocate_functions::thm_movw_rel): New method.
7193         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7194         thm_movt_prel).
7195         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7196         relocations.
7197         (Target_arm::Scan::global): Likewise.
7198         (Target_arm::Relocate::relocate): Likewise.
7199         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7200         Likewise.
7201
7202 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7203
7204         * arm.cc: Added support for ARM group relocations.
7205         (Target_arm::reloc_needs_sym_origin): New method.
7206         (Arm_relocate_functions::calc_grp_kn): New method.
7207         (Arm_relocate_functions::calc_grp_residual): New method.
7208         (Arm_relocate_functions::calc_grp_gn): New method.
7209         (Arm_relocate_functions::arm_grp_alu): New Method.
7210         (Arm_relocate_functions::arm_grp_ldr): New Method.
7211         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7212         (Arm_relocate_functions::arm_grp_ldc): New Method.
7213         (Target_arm::Scan::local): Handle the ARM group relocations.
7214         (Target_arm::Scan::global): Likewise.
7215         (Target_arm::Relocate::relocate): Likewise.
7216         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7217         Likewise.
7218
7219 2010-01-26  Doug Kwan  <dougkwan@google.com>
7220
7221         * arm.cc (set): Include.
7222         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7223         pointer type.
7224         (Arm_output_section::Text_section_list): New type.
7225         (Arm_output_section::append_text_sections_to_list): New method.
7226         (Arm_output_section::fix_exidx_coverage): Ditto.
7227         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7228         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7229         Relobj::set_section_offset() instead of
7230         Sized_relobj::invalidate_section_offset().
7231         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7232         parameter for section headers. Ignore relocation sections for
7233         unallocated sections and EXIDX sections.
7234         (Target_arm::fix_exidx_coverage): New method.
7235         (Target_arm::output_section_address_less_than): New type.
7236         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7237         linked text section instead of the EXIDX section.
7238         (Arm_output_section::create_stub_group): Add an assertion to check
7239         that this is not an EXIDX output section.
7240         (Arm_output_section::append_text_sections_to_list): New method.
7241         (Arm_output_section::fix_exidx_coverage): Ditto.
7242         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7243         Arm_relobj::section_needs_reloc_stub_scanning.
7244         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7245         first pass.
7246         (Target_arm::fix_exidx_coverage): New method.
7247         * object.h (Relobj::set_output_section): New method.
7248         (Sized_relobj::invalidate_section_offset): Remove method.
7249         (Sized_relobj::do_invalidate_section_offset): Remove method.
7250         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7251
7252 2010-01-25  Doug Kwan  <dougkwan@google.com>
7253
7254         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7255         Fix warning due to signed and unsigned comparison on a 32-bit host.
7256
7257 2010-01-22  Doug Kwan  <dougkwan@google.com>
7258
7259         * arm.cc (Target_arm::do_relax): Record an output section for section
7260         offset adjustment it contains any stub table that has changed.
7261         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7262         offsets in an output section if necessary.
7263         * output.cc (Output_section::Output_section): Initialize
7264         section_offsets_need_adjustments_.
7265         (Output_section::add_input_section_for_script): Renamed to
7266         Output_section::add_simple_input_section.
7267         (Output_section::save_states): Add a comment.
7268         (Output_section::discard_states): New method defintion.
7269         (Output_section::adjust_section_offsets): Same.
7270         * output.h (Output_section::add_input_section_for_script): Renamed to
7271         Output_section::add_simple_input_section.
7272         (Output_section::discard_states): New method declaration.
7273         (Output_section::adjust_section_offsets): Same.
7274         (Output_section::section_offsets_need_adjustment,
7275         Output_section::set_section_offsets_need_adjustment): New method
7276         definitions.
7277         (Output_section::section_offsets_need_adjustment_): New data member.
7278         * script-sections.cc
7279         (Output_section_element_input::set_section_address): Adjust code for
7280         renaming of Output_section::add_input_section_for_script.
7281         (Orphan_output_section::set_section_address): Same.
7282
7283 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7284
7285         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7286         Fix_v4bx enum values .
7287         * gold/options.h (General_options): New option definitions.
7288         (General_options::fix_v4bx): New method.
7289         (General_options::Fix_v4bx): New enum.
7290         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7291         (General_options::parse_fix_v4bx_interworking): New method.
7292
7293 2010-01-22  Doug Kwan  <dougkwan@google.com>
7294
7295         * arm.cc (Arm_exidx_fixup): New class.
7296
7297 2010-01-21  Doug Kwan  <dougkwan@google.com>
7298
7299         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7300         classes.
7301         (Arm_exidx_section_offset_map): New type.
7302
7303 2010-01-21  Doug Kwan  <dougkwan@google.com>
7304
7305         * arm.cc (Arm_exidx_input_section): New class.
7306         (Arm_relobj::exidx_input_section_by_link,
7307         Arm_relobj::exidx_input_section_by_shndx,
7308         Arm_relobj::make_exidx_input_section): New methods.
7309         (read_arm_attributes_section): Remove.
7310         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7311         information about them.
7312         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7313         to here.
7314
7315 2010-01-20  Doug Kwan  <dougkwan@google.com>
7316
7317         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7318         Input_section_specifier to Section_id.
7319         (Target_arm::new_arm_input_section: Adjust code for change of key
7320         type.
7321         (Target_arm::find_arm_input_section): Ditto.
7322         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7323         (Section_id): Remove.
7324         (Garbage_collection::Section_id_hash): Remove.
7325         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7326         (Section_id): Remove.
7327         (Icf::Section_id_hash): Remove.
7328         * object.h (Section_id, Const_section_id, Section_id_hash,
7329         Const_section_id_hash): New type definitions.
7330         * output.cc (Output_section::add_relaxed_input_section): Change to
7331         use Const_section_id instead of Input_section_specifier as key type.
7332         (Output_section::add_merge_input_section): Ditto.
7333         (Output_section::build_relaxation_map): Change to use Section_id
7334         instead of Input_section_specifier as key type.
7335         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7336         Ditto.
7337         (Output_section::convert_input_sections_to_relaxed_sections): Change
7338         to use Const_section_id instead of Input_section_specifier as key type.
7339         (Output_section::find_merge_section): Ditto.
7340         (Output_section::find_relaxed_input_section): Ditto.
7341         * output.h (Input_section_specifier): Remove class.
7342         (Output_section::Output_section_data_by_input_section_map): Change
7343         key type to Const_section_id.
7344         (Output_section::Output_relaxed_input_section_by_input_section_map):
7345         Ditto.
7346         (Output_section::Relaxation_map): Change key type to Section_id.
7347
7348 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7349
7350         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7351         (class Arm_v4bx_stub): New class.
7352         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7353         (Stub_factory::make_arm_v4bx_stub): New method.
7354         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7355         (Stub_table::empty): Handle v4bx stubs.
7356         (Stub_table::add_arm_v4bx_stub): New method.
7357         (Stub_table::find_arm_v4bx_stub): New method.
7358         (Arm_relocate_functions::v4bx): New method.
7359         (Target_arm::fix_v4bx): New method.
7360         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7361         (Stub_table::relocate_stubs): Likewise.
7362         (Stub_table::do_write): Likewise.
7363         (Stub_table::update_data_size_and_addralign): Likewise.
7364         (Stub_table::finalize_stubs):  Likewise.
7365         (Target_arm::Scan::local): Likewise.
7366         (Target_arm::Scan::global): Likewise.
7367         (Target_arm::do_finalize_sections): Likewise.
7368         (Target_arm::Relocate::relocate): Likewise.
7369         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7370         Likewise.
7371         (Target_arm::scan_reloc_for_stub): Likewise.
7372         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7373
7374 2010-01-19  Ian Lance Taylor  <iant@google.com>
7375
7376         * output.cc (Output_section_headers::do_sized_write): Write large
7377         segment count to sh_info field.
7378         (Output_file_header::do_sized_write): For large segment count,
7379         write PN_XNUM to e_phnum field.
7380
7381 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7382
7383         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7384         (Arm_relocate_functions::thm_jump8): New function.
7385         (Arm_relocate_functions::thm_jump11): New function.
7386         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7387         R_ARM_THM_JUMP11.
7388         (Target_arm::Scan::global): Likewise.
7389         (Target_arm::Relocate::relocate): Likewise.
7390         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7391         Likewise.
7392
7393 2010-01-14  Doug Kwan  <dougkwan@google.com>
7394
7395         * arm.cc (map, utility): Include headers.
7396         (Target_arm::apply_cortex_a8_workaround): New method.
7397         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7398         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7399         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7400         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7401         the --[no-]fix-cortex-a8 command line options.
7402         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7403         (Target_arm::relocate_stub): Use addend in instruction template.
7404         * options.h (DEFINE_bool): Set the user-set flag.
7405         (General_options): Add --[no-]-fix-cortex options.
7406         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7407         : Update fast look-up map after conversion.
7408
7409 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7410
7411         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7412         in the first pass of do_layout.
7413
7414 2010-01-13  Doug Kwan  <dougkwan@google.com>
7415
7416         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7417         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7418         apparent compiler problem of not folding static constant integral
7419         data members of elfcpp::Elf_sizes<32>.
7420
7421 2010-01-13  Doug Kwan  <dougkwan@google.com>
7422
7423         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7424         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7425         Arm_relobj::scan_section_for_cortex_a8_erratum,
7426         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7427         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7428         sections to scan for relocation stubs into a new method
7429         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7430         relocation and Cortex-A8 stub scanning.
7431         (Target_arm::do_relax): Force stubs to be after stubbed sections
7432         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7433         the beginning of a new relaxation pass.  Update a comment.
7434         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7435
7436 2010-01-12  Ian Lance Taylor  <iant@google.com>
7437
7438         * target-reloc.h (visibility_error): New inline function.
7439         (relocate_section): Call visibility_error.
7440         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7441         (MOSTLYCLEANFILES): Likewise.
7442         (protected_4_pic.o, protected_3.err): New targets.
7443         * testsuite/protected_4.cc: New file.
7444
7445 2010-01-12  Doug Kwan  <dougkwan@google.com>
7446
7447         * arm.cc (Cortex_a8_reloc): New class.
7448         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7449         and cortex_a8_relocs_info_.
7450         (Target_arm::fix_cortex_a8): New method definition.
7451         (Target_arm::Cortex_a8_relocs_info): New type.
7452         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7453         New data member declarations.
7454         (Target_arm::scan_reloc_for_stub): Record information about
7455         relocations for THUMB branches that might be exempted from the
7456         Cortex-A8 workaround.
7457         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7458         at the beginning of a relaxation pass.
7459
7460 2010-01-12  Doug Kwan  <dougkwan@google.com>
7461
7462         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7463         (Arm_relobj::Mapping_symbol_position,
7464          Arm_reloj::Mapping_symbol_position_less,
7465          Arm_relobj::Mapping_symbols_info): New types.
7466         (Target_arm::is_mapping_symbol_name): New method definition.
7467         (Arm_relobj::do_count_local_symbols): Save information about mapping
7468         symbols.
7469
7470 2010-01-11  Doug Kwan  <dougkwan@google.com>
7471
7472         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7473         Arm_relocate_functions::thumb32_branch_upper,
7474         Arm_relocate_functions::thumb32_branch_lower,
7475         Arm_relocate_functions::thumb32_cond_branch_offset,
7476         Arm_relocate_functions::thumb32_cond_branch_upper,
7477         Arm_relocate_functions::thumb32_cond_branch_lower,
7478         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7479         branch offset encoding.
7480         (Arm_relocate_functions::thumb_branch_common): Use new branch
7481         offset encoding methods to avoid code duplication.
7482         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7483         (Stub_addend_reader::operator()): Use new branch encoding method
7484         to avoid code duplication.
7485
7486 2010-01-11  Doug Kwan  <dougkwan@google.com>
7487
7488         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7489         (Target_arm::do_finalize_sections): Define special EXIDX section
7490         symbols only if referenced.
7491         * gc.h (Garbage_collection::add_reference): New method.
7492         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7493         code duplication.
7494
7495 2010-01-11  Ian Lance Taylor  <iant@google.com>
7496
7497         * script.cc (Version_script_info::build_expression_list_lookup):
7498         Change complaing about duplicate wildcard match from error to
7499         warning.
7500
7501         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7502         of 2009-12-30.
7503         (Version_script_info::Version_script_info): Initialize globs_,
7504         default_version_, default_is_global_, and exact_.  Don't
7505         initialize globals_ or locals_.
7506         (Version_script_info::build_lookup_tables): Build local symbols
7507         first.
7508         (Version_script_info::unquote): New function.
7509         (Version_script_info::add_exact_match): New function.
7510         (Version_script_info::build_expression_list_lookup): Remove lookup
7511         parameter.  Add is_global parameter.  Change all callers.  Handle
7512         wildcard pattern specially.  Unquote pattern.  Call
7513         add_exact_match.
7514         (Version_script_info::get_name_to_match): New function.
7515         (Version_script_info::get_symbol_version): New function.
7516         (Version_script_info::get_symbol_version_helper): Remove.
7517         (Version_script_info::check_unmatched_names): Call unquote.
7518         * script.h (class Version_script_info): Change get_symbol_version
7519         to be non-inline and add is_global parameter; change all callers.
7520         Rewrite symbol_is_local.  Update declarations.  Define struct
7521         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7522         Remove globals_ and locals_ members.  Add exact_, globs_,
7523         default_version_, is_global_.
7524         (Version_script_info::Glob): Remove pattern, add expression and
7525         is_global.  Update constructor.  Change all callers.
7526         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7527         default version.
7528         (Versions::symbol_section_contents): If a symbol is undefined, or
7529         defined in a dynamic object, set the version index to
7530         VER_NDX_LOCAL.
7531         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7532         symbol_is_local.
7533         (Symbol_table::add_from_pluginobj): Likewise.
7534         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7535
7536 2010-01-11  Doug Kwan  <dougkwan@google.com>
7537
7538         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7539         (incremental_dump_LDADD): Add linking option for libintl.
7540         * Makefile.in: Regenerate.
7541
7542 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7543
7544         PR gold/11144
7545         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7546         instead of -Ds.
7547         * testsuite/Makefile.in: Regenerated.
7548
7549 2010-01-10  Doug Kwan  <dougkwan@google.com>
7550
7551         * options.h (DEFINE_var): Use parentheses around argument varname__
7552         in macro body to avoid any unintended subsequent substitutions.
7553
7554 2010-01-10  Ian Lance Taylor  <iant@google.com>
7555
7556         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7557         candidates before doing symbol resolution.
7558
7559         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7560         ODR candidates if only one is weak.
7561
7562 2010-01-08  Ian Lance Taylor  <iant@google.com>
7563
7564         * script.cc (Version_script_info::build_expression_list_lookup):
7565         Don't warn about ambiguous version, just record the ambiguity.
7566         (Version_script_info::get_symbol_version_helper): Give error if
7567         version is ambiguous.
7568
7569 2010-01-08  Doug Kwan  <dougkwan@google.com>
7570
7571         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7572         prev_data_size_ and prev_addralign_.  Remove initializer for
7573         deleted data member has_been_changed_.
7574         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7575         to determine if the table is empty.
7576         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7577         Remove.
7578         (Stub_table::add_reloc_stub): Define method in class definition
7579         instead of just declaring it there.
7580         (Stub_table::add_cortex_a8_stub): New method definition.
7581         (Stub_table::update_data_size_and_addralign): Ditto.
7582         (Stub_table::finalize_stubs): Ditto.
7583         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7584         (Stub_table::do_addralign_): Return address alignment in the
7585         (Stub_table::do_reset_address_and_file_offset): Define method in
7586         class definition instead of declaring it there.  Set current data
7587         size to be the data size of the previous pass.
7588         (Stub_table::set_final_data_size): Use current data size as the
7589         final data size.
7590         (Stub_table::relocate_stub): Change parameter type of stub from
7591         Reloc_stub pointer to Stub pointer.
7592         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7593         (Stub_table::Cortex_a8_stub_list): New typedef.
7594         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7595          Stub_table::prev_addralign_): New data member.
7596         (Arm_relobj::Arm_relobj): Initialize data member
7597         section_has_cortex_a8_workaround_.
7598         (Arm_relobj::section_has_cortex_a8_workaround,
7599          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7600          definitions.
7601         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7602         declarations.
7603         (Target_arm::relocate_stub): Change parameter type of stub from
7604         Reloc_stub pointer to Stub pointer.
7605         (Insn_template::size, Insn_template::alignment): Handle
7606         THUMB16_SPECIAL_TYPE.
7607         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7608          Stub_table::update_data_size_and_addralign,
7609          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7610         definitions.
7611         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7612         (Stub_table::do_write): Ditto.
7613         (Target_arm::do_relax): Adjust code for changes in Stub_table.
7614
7615 2010-01-08  Ian Lance Taylor  <iant@google.com>
7616
7617         PR 11108
7618         * symtab.h (class Symbol): Remove fields is_target_special_ and
7619         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7620         (Symbol::is_defined_in_discarded_section): New function.
7621         (Symbol::set_is_defined_in_discarded_section): New function.
7622         (Symbol::has_plt_offset): Rewrite.
7623         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7624         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7625         Don't initialize is_target_special_ or has_plt_offset_.
7626         Initialize is_defined_in_discarded_section_.
7627         (Symbol_table::add_from_relobj): If appropriate, set
7628         is_defined_in_discarded_section.
7629         * resolve.cc (Symbol::override_base_with_special): Don't test
7630         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7631         * target-reloc.h (relocate_section): Do special handling for
7632         symbols defined in discarded sections for global symbols as well
7633         as local symbols.
7634
7635 2010-01-08  Ian Lance Taylor  <iant@google.com>
7636
7637         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7638         the SHT_SYMTAB case.
7639
7640 2010-01-08  Ian Lance Taylor  <iant@google.com>
7641
7642         * object.cc (Sized_relobj::do_layout): Don't get confused if
7643         layout_eh_frame returns NULL.
7644
7645 2010-01-08  Ian Lance Taylor  <iant@google.com>
7646
7647         PR 11084
7648         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7649         dynamic symbol table, use the normal symbol table.
7650         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7651         symbol table.
7652
7653 2010-01-08  Ian Lance Taylor  <iant@google.com>
7654
7655         PR 11072
7656         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7657         sections.
7658
7659 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7660
7661         * version.cc (print_version): Change to "Copyright 2010".
7662
7663 2010-01-08  Ian Lance Taylor  <iant@google.com>
7664
7665         PR 10287
7666         PR 11063
7667         * i386.cc (class Target_i386): Change return type of plt_section
7668         to be non-const.
7669         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7670         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7671         tls_desc_rel_ field.
7672         (Output_data_plt_i386::rel_tls_desc): New function.
7673         (Target_i386::rel_tls_desc_section): New function.
7674         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7675         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7676         R_386_TLS_DESC reloc in rel_tls_desc_section.
7677         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7678         Define struct Tlsdesc_info.
7679         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7680         (Target_x86_64::do_reloc_symbol_index): New function.
7681         (Target_x86_64::add_tlsdesc_info): New function.
7682         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7683         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7684         tlsdesc_rel_ field.
7685         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7686         all callers.
7687         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7688         (Target_x86_64::rela_tlsdesc_section): New function.
7689         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7690         handling.
7691         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7692         (Target_x86_64::do_reloc_addend): New function.
7693         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7694         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7695         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7696         (Output_reloc::type): New function.
7697         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7698         (Output_reloc::is_target_specific): New function.
7699         (Output_reloc::target_arg): New function.
7700         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7701         absolute relocs and target specific relocs.
7702         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7703         add_target_specific.
7704         (class Output_data_reloc) [SHT_RELA]: Likewise.
7705         * output.cc (Output_reloc::Output_reloc): Add four new versions
7706         for absolute relocs and target specific relocs.
7707         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7708         (Output_reloc::get_symbol_index): Likewise.
7709         (Output_reloc::local_section_offset): Check that local_sym_index_
7710         is not TARGET_CODE or 0.
7711         (Output_reloc::symbol_value): Likewise.
7712         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7713         reloc.
7714         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7715         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7716         functions.
7717         * layout.cc (add_target_dynamic_tags): Use output section for
7718         DT_PLTRELSZ and DT_JMPREL.
7719
7720 2010-01-07  Ian Lance Taylor  <iant@google.com>
7721
7722         PR 11061
7723         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7724         function.
7725         (class Output_data_reloc_generic): Define.
7726         (class Output_data_reloc_base): Change base class to
7727         Output_data_reloc_generic.  Change add() method to call
7728         bump_relative_reloc_count for a relative reloc.  Remove
7729         sort_relocs_ field.
7730         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7731         to sort_relocs().
7732         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7733         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7734         appropriate.
7735         * layout.h (class Layout): Update declaration.
7736
7737 2010-01-07  Ian Lance Taylor  <iant@google.com>
7738
7739         * output.h (class Output_data): Add const version of
7740         output_section and do_output_section.
7741         (class Output_section_data): Add const version of
7742         do_output_section.
7743         (class Output_section): Likewise.
7744         * layout.cc (Layout::add_target_dynamic_tags): New function.
7745         * layout.h (class Layout): Update declarations.
7746         * arm.cc (Target_arm::do_finalize_sections): Use
7747         add_target_dynamic_tags.
7748         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7749         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7750         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7751         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7752
7753 2010-01-07  Ian Lance Taylor  <iant@google.com>
7754
7755         PR 11042
7756         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7757         object as needed.
7758
7759 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7760             Ian Lance Taylor  <iant@google.com>
7761
7762         PR 11019
7763         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7764         Xindex::read_symtab_xindex.
7765
7766 2010-01-07  Doug Kwan  <dougkwan@google.com>
7767
7768         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7769         (Insn_template::thumb16_bcond_insn): New method declaration.
7770         (Insn_template): Fix spelling.
7771         (Stub::thumb16_special): New method declaration.
7772         (Stub::do_write): Define virtual method which was previously pure
7773         virtual.
7774         (Stub::do_thumb16_special): New method declaration.
7775         (Stub::do_fixed_endian_write): New template member.
7776         (Reloc_stub::do_write): Remove.
7777         (Reloc_stub::do_fixed_endian_write): Remove.
7778         (Cortex_a8_stub): New class definition.
7779         (Stub_factory::make_cortex_a8_stub): New method definition.
7780         (Stub_factory::Stub_factory): Add missing static storage class
7781         qualifier for elf32_arm_stub_a8_veneer_blx.
7782
7783 2010-01-07  Ian Lance Taylor  <iant@google.com>
7784
7785         PR 10980
7786         * options.h (class General_options): Add --warn-unresolved-symbols
7787         and --error-unresolved-symbols.
7788         * errors.cc (Errors::undefined_symbol): Implement
7789         --warn-unresolved-symbols.
7790
7791         * options.h (class General_options): Add -z text and -z textoff.
7792         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7793
7794 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7795
7796         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7797         (Garbage_collection::cident_sections): New function.
7798         (Garbage_collection::add_cident_section): New function.
7799         (Garbage_collection::cident_sections_): New member.
7800         (gc_process_relocs): Add references to sections whose names are C
7801         identifiers.
7802         * gold.h (cident_section_start_prefix): New constant.
7803         (cident_section_stop_prefix): New constant.
7804         (is_cident): New function.
7805         * layout.cc (Layout::define_section_symbols): Replace string constants
7806         with the newly defined constants.
7807         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7808         C identifiers.
7809         * testsuite/Makefile.am: Add gc_orphan_section_test.
7810         * testsuite/Makefile.in: Regenerate.
7811         * testsuite/gc_orphan_section_test.cc: New file.
7812         * testsuite/gc_orphan_section_test.sh: New file.
7813
7814 2010-01-06  Ian Lance Taylor  <iant@google.com>
7815
7816         PR 10980
7817         * options.h (class General_options): Add --warn-shared-textrel.
7818         * layout.cc (Layout::finish_dynamic_section): Implement
7819         --warn-shared-textrel.
7820
7821         PR 10980
7822         * options.h (class General_options): Add --warn-multiple-gp.
7823
7824 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7825
7826         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7827         $(THREADSLIB) and $(LIBDL).
7828         * Makefile.in: Rebuild.
7829
7830 2010-01-06  Ian Lance Taylor  <iant@google.com>
7831
7832         PR 10980
7833         * options.cc (General_options::parse_section_start): New function.
7834         (General_options::section_start): New function.
7835         (General_options::General_options): Initialize all members.
7836         * options.h: Include <map>
7837         (class General_options): Add --section-start.  Add section_starts_
7838         member.
7839         * layout.cc (Layout::attach_allocated_section_to_segment): If
7840         --section-start was used, set the address of the segment.  Remove
7841         local sort_sections.
7842         (Layout::relaxation_loop_body): If the address of the load segment
7843         has been set by --section-start, don't use it.
7844         * output.h (Output_segment::update_flags_for_output_section): New
7845         function.
7846         * output.cc (Output_segment::add_output_section): Call
7847         update_flags_for_output_section.
7848
7849 2010-01-05  Ian Lance Taylor  <iant@google.com>
7850
7851         PR 10980
7852         * options.h (class General_options): Add --undefined-version.
7853         * script.cc (struct Version_expression): Add was_matched_by_symbol
7854         field.
7855         (Version_script_info::matched_symbol): New function.
7856         (Version_script_info::get_symbol_version_helper): Call
7857         matched_symbol.
7858         (Version_script_info::check_unmatched_names): New function.
7859         * script.h (class Version_script_info): Update declarations.
7860         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7861
7862         * options.h (class General_options): Use DEFINE_bool_alias for
7863         allow_multiple_definition.
7864         * resolve.cc (Symbol_table::should_override): Don't test
7865         allow_multiple_definition.
7866
7867         PR 10980
7868         * options.h (class General_options): Add --cref.
7869         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7870         until after printing cref table.
7871         * cref.cc: Include "symtab.h".
7872         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7873         (Cref_table_compare::operator()): New function.
7874         (Cref_inputs::gather_cref): New function.
7875         (filecol): New static const.
7876         (Cref_inputs::print_cref): New function.
7877         (Cref::print_cref): New function.
7878         * cref.h: Include <cstdio>.
7879         (class Cref): Update declarations.
7880         * mapfile.h (Mapfile::file): New function.
7881         * object.h (class Object): Define Symbols.  Declare virtual
7882         do_get_global_symbols.
7883         (Object::get_global_symbols): New function.
7884         * object.cc (Input_objects::add_object): Pass object to cref_ if
7885         --cref.
7886         (Input_objects::archive_start): Likewise.
7887         (Input_objects::archive_stop): Likewise.
7888         (Input_objects::print_cref): New function.
7889         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7890         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7891         --cref.
7892         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7893         function.
7894         * plugin.h (class Sized_pluginobj): Update declarations.
7895
7896 2010-01-05  Ian Lance Taylor  <iant@google.com>
7897
7898         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7899         to is_default_version.  Rename insdef to insdefault.
7900         (Symbol_table::add_from_relobj): Rename def to is_default_version
7901         and local to is_forced_local.
7902         (Symbol_table::add_from_pluginobj): Likewise.
7903         (Symbol_table::add_from_dynobj): Likewise.
7904         (Symbol_table::define_special_symbol): Rename insdef to
7905         insdefault.
7906
7907 2010-01-04  Ian Lance Taylor  <iant@google.com>
7908
7909         PR 10980
7910         * options.h (class General_options): Add
7911         --allow-multiple-definition and -z muldefs.
7912         * resolve.cc (Symbol_table::should_override): Don't warn about a
7913         multiple symbol definition if --allow-multiple-definition or -z
7914         muldefs.
7915
7916         PR 10980
7917         * options.h (class General_options): Add --add-needed and
7918         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7919         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7920         error if --copy-dt-needed-entries aka --add-needed is used and
7921         would cause a change in behaviour.
7922
7923         PR 10980
7924         * options.h (class General_options): Add -G as a short version of
7925         --shared.  Add no-op options -assert, -g, and -i.
7926
7927 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7928
7929         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7930         check for .text or .gnu.linkonce.t sections.
7931         * icf.cc (Icf::find_identical_sections): Ditto.
7932         Change the detection for mangled function name within the section
7933         name.
7934         * icf.h (is_section_foldable_candidate): New function.
7935
7936 2009-12-30  Ian Lance Taylor  <iant@google.com>
7937
7938         PR 10980
7939         * options.h (class General_options): Permit two dashes with
7940         --retain-symbols-file.
7941
7942 2009-12-30  Ian Lance Taylor  <iant@google.com>
7943
7944         PR 10979
7945         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7946         don't put the file header and segment headers in the text
7947         segment.
7948
7949         PR 10979
7950         * common.cc (Sort_commons::operator()): Stabilize sort when both
7951         entries are NULL.
7952         (Symbol_table::do_allocate_commons_list): When allocating common
7953         symbols, skip a symbol which is no longer common.
7954         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7955         an object before checking its type.
7956         * testsuite/common_test_2.c: New file.
7957         * testsuite/common_test_3.c: New file.
7958         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7959         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7960         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7961         (common_test_2_pic.o, common_test_2.so): New targets.
7962         (common_test_3_pic.o, common_test_3.so): New targets.
7963         * testsuite/Makefile.in: Rebuild.
7964
7965         PR 10979
7966         * script.cc (read_input_script): If we see a new SECTIONS clause,
7967         and we have added an input section, give an error.
7968         * layout.h (class Layout): Add have_added_input_section function.
7969         Add have_added_input_section_ field.
7970         * layout.cc (Layout::Layout): Initialize
7971         have_added_input_section_.
7972         (Layout::layout): Set have_added_input_section_.
7973         (Layout::layout_eh_frame): Likewise.
7974
7975 2009-12-30  Ian Lance Taylor  <iant@google.com>
7976
7977         PR 10931
7978         * options.h (class General_options): Add --sort-common option.
7979         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7980         * common.cc (Sort_common): Add sort_order parameter to
7981         constructor.  Add sort_order_ field.
7982         (Sort_commons::operator): Check sort_order_.
7983         (Symbol_table::allocate_commons): Determine the sort order.
7984         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7985         Change all callers.
7986         (Symbol_table::do_allocate_commons_list): Likewise.
7987
7988 2009-12-30  Ian Lance Taylor  <iant@google.com>
7989
7990         PR 10916
7991         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7992         symbols from this object, don't change the visibility of an
7993         undefined symbol.
7994         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7995
7996 2009-12-30  Ian Lance Taylor  <iant@google.com>
7997
7998         PR 10861
7999         * script.h (class Version_script_info): Define Language enum.
8000         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8001         new fields globals_, locals_, and is_finalized_.
8002         * script.cc: Various formatting fixes.
8003         (class Parser_closure): Change language_stack_ from a vector of
8004         std::string to one of Version_script_info::Language.  Adjust all
8005         uses accordingly.
8006         (class Lazy_demangler): Remove.
8007         (struct Version_expression): Change language from std::string to
8008         Version_script_info::Language.
8009         (Version_script_info::Version_script_info): New function.
8010         (Version_script_info::~Version_script_info): Don't call clear.
8011         (Version_script_info::finalize): New function.
8012         (Version_script_info::build_lookup_tables): New function.
8013         (Version_script_info::build_expression_list_lookup): New
8014         function.
8015         (Version_script_info::get_symbol_version_helper): Rewrite to use
8016         lookup tables.
8017         (Version_script_info::print_expression_list): Adjust to use
8018         Version_script_info::Language.
8019         (script_push_lex_into_version_mode): Check that the version script
8020         has not been finalized.
8021         (version_script_push_lang): Change language string to
8022         Version_script_info::Language.
8023         * options.cc (Command_line::version_script): New function.
8024         * options.h (class General_options): Add finalize_dynamic_list
8025         function.  Change version_script from declaration to definition.
8026         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8027         * testsuite/version_script.map: Remove duplicate def of foo.
8028         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8029         version_script.map.
8030         * testsuite/Makefile.in: Rebuild.
8031
8032 2009-12-30  Ian Lance Taylor  <iant@google.com>
8033
8034         PR 10843
8035         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8036         if the input symbol index is 0, make the output symbol index 0.
8037
8038 2009-12-30  Ian Lance Taylor  <iant@google.com>
8039
8040         PR 10670
8041         * options.h (class General_options): Add -x/--discard-all.
8042         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8043         --discard-all.  If the local symbol needs a dynamic entry, check
8044         that before handling --discard-locals.
8045
8046 2009-12-30  Ian Lance Taylor  <iant@google.com>
8047
8048         PR 10450
8049         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8050         flags to PF_R.
8051         (Output_segment::add_output_section): Don't change the flags if
8052         the type is PT_TLS.
8053
8054         PR 10450
8055         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8056         GNU hash table if they need a dynamic value.  Otherwise, don't add
8057         them if they are defined in a dynamic object or are forced local.
8058
8059 2009-12-29  Ian Lance Taylor  <iant@google.com>
8060
8061         PR 10450
8062         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8063         .gnu.hash table for a 32-bit target.
8064
8065         PR 10450
8066         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8067         regular and a dynamic object only needs a dynamic symbol table
8068         entry if it is externally visible.
8069
8070         PR 10450
8071         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8072         constructor.  Add global_offset_table_ field.
8073         (Target_i386::got_section): Set global_offset_table_.
8074         (Target_i386::do_finalize_sections): Set global_offset_table_
8075         size.
8076         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8077         in constructor.  Add global_offset_table_ field.
8078         (Target_x86_64::got_section): Set global_offset_table_.
8079         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8080         size.
8081
8082         * layout.cc (Layout::Layout): Initialize increase_relro_.
8083         (Layout::get_output_section): Add is_relro, is_last_relro, and
8084         is_first_non_relro parameters.  Change all callers.
8085         (Layout::choose_output_section): Likewise.
8086         (Layout::add_output_section_data): Likewise.
8087         (Layout::make_output_section): Likewise.
8088         (Layout::set_segment_offsets): Clear increase_relro when using a
8089         linker script.
8090         * layout.h (class Layout): Add increase_relro method.  Add
8091         increase_relro_ field.  Update declarations.
8092         * output.cc (Output_section::Output_section): Initialize
8093         is_last_relro_ and is_first_non_relro_.
8094         (Output_segment::add_output_section): Group relro sections is
8095         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8096         (Output_segment::maximum_alignment): Remove relro handling.
8097         (Output_segment::set_section_addresses): Add increase_relro
8098         parameter.  Change all callers.  Add initial alignment to align
8099         relro sections on separate page.  Remove old relro handling.
8100         (Output_segment::set_section_list_addresses): Remove in_relro
8101         parameter.  Change all callers.
8102         (Output_segment::set_offset): Add increase parameter.  Change all
8103         callers.  Remove old relro handling.
8104         * output.h (class Output_section): Add new methods: is_last_relro,
8105         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8106         Add is_last_relro_ and is_first_non_relro_ fields.
8107         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8108         Create separate .got.plt section.  Call increase_relro.
8109         * x86_64.cc (Target_x86_64::got_section): Likewise.
8110         * testsuite/relro_script_test.t: Add .got.plt.
8111
8112         PR 10450
8113         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8114         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8115         (Layout::finalize): Call set_dynamic_symbol_size.
8116         (Layout::set_dynamic_symbol_size): New function.
8117         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8118         set_dynamic_symbol_size.
8119
8120         PR 10450
8121         * output.h (class Output_section): Add is_entsize_zero_ field.
8122         * output.cc (Output_section::Output_section): Initialize
8123         is_entsize_zero_.
8124         (Output_section::set_entsize): If two different entsizes are
8125         requested, force it to zero.
8126         (Output_section::add_input_section): Set flags for .debug_str
8127         before updating section flags.  Set entsize.
8128         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8129         and SHF_STRING if all input sections have those flags.
8130
8131 2009-12-29   Rafael Espindola  <espindola@google.com>
8132
8133         * main.cc (main): Fix the sys time reporting.
8134         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8135         reporting.
8136
8137 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8138
8139         * options.cc (General_options::parse_version): Allow -v to exit
8140         without an error if there is nothing to link.
8141
8142 2009-12-29  Ian Lance Taylor  <iant@google.com>
8143
8144         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8145         using a version of gcc before 4.1.
8146         * configure: Rebuild.
8147
8148 2009-12-28  Chris Demetriou  <cgd@google.com>
8149
8150         * attributes.cc (Output_attributes_section_data::do_write): Use
8151         std::vector::front rather than std::vector::data.
8152
8153 2009-12-28  Ian Lance Taylor  <iant@google.com>
8154
8155         * symtab.h (class Symbol_table): Add enum Defined.
8156         * resolve.cc (Symbol_table::should_override): Add defined
8157         parameter.  Change all callers.  Test whether object is NULL
8158         before calling a method on it.
8159         (Symbol_table::report_resolve_problem): Add defined parameter.
8160         Change all callers.
8161         (Symbol_table::should_override_with_special): Likewise.
8162         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8163         parameter.  Change all callers.
8164         (Symbol_table::do_define_in_output_data): Likewise.
8165         (Symbol_table::define_in_output_segment): Likewise.
8166         (Symbol_table::do_define_in_output_segment): Likewise.
8167         (Symbol_table::define_as_constant): Likewise.
8168         (Symbol_table::do_define_as_constant): Likewise.
8169         * script.h (class Symbol_assignment): Add is_defsym parameter to
8170         constructor; change all callers.
8171         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8172         parameter.  Change all callers.  Add is_defsym_ field.
8173         (class Parser_closure): Add parsing_defsym parameter to
8174         constructor; change all callers.  Add parsing_defsym accessor
8175         function.  Add parsing_defsym_ field.
8176
8177 2009-12-28  Ian Lance Taylor  <iant@google.com>
8178
8179         * gold.cc (queue_middle_tasks): Fix formatting.
8180         * object.cc (Relobj::is_section_name_included): Likewise.
8181
8182 2009-12-23  Ian Lance Taylor  <iant@google.com>
8183
8184         * i386.cc (Target_i386::do_calls_non_split): Recognize
8185         -fsplit-stack prologue for a function with a static chain.
8186         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8187         -fsplit-stack prologue when using %r11.
8188
8189 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8190
8191         * options.cc (General_options::parse_version): Make -v continue and do
8192         the link like GNU ld does.
8193
8194 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8195
8196         * Makefile.am (CCFILES): Add timer.cc.
8197         (HFILES): Add timer.h.
8198         * configure.ac: Check for sysconf and times.
8199         * main.cc: include timer.h.
8200         (main): Use Timer instead of get_run_time.
8201         * timer.cc: New.
8202         * timer.h: New.
8203         * workqueue.cc: include timer.h.
8204         (Workqueue::find_and_run_task):
8205         Report user, sys and wall time.
8206         * Makefile.in: Regenerate.
8207         * config.in: Regenerate.
8208         * configure: Regenerate.
8209
8210 2009-12-16  Doug Kwan  <dougkwan@google.com>
8211
8212         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8213         sections.
8214         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8215         relaxed input sections.
8216         * output.cc (Output_section::find_relaxed_input_section): Change
8217         return type to Output_relaxed_input_section pointer.  Adjust code
8218         for new type of relaxed_input_section_map_.
8219         * output.h (Output_section::find_relaxed_input_section): Change
8220         return type to Output_relaxed_input_section pointer.
8221         (Output_section::Output_relaxed_input_section_by_input_section_map):
8222         New type.
8223         (Output_section::relaxed_input_section_map_): Change type to
8224         Output_section::Output_relaxed_input_section_by_input_section_map.
8225         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8226         input section.
8227
8228 2009-12-15  Ian Lance Taylor  <iant@google.com>
8229
8230         * layout.cc (Layout::create_shstrtab): Only write out after input
8231         sections if we are compressing debug sections.
8232
8233 2009-12-15  Ian Lance Taylor  <iant@google.com>
8234
8235         * archive.cc (Archive::add_symbols): Only look up a symbol without
8236         a version if there is, in fact, a version.
8237
8238 2009-12-14  Ian Lance Taylor  <iant@google.com>
8239
8240         Revert -Wshadow changes, all changes from:
8241         2009-12-11  Doug Kwan  <dougkwan@google.com>
8242         2009-12-11  Nick Clifton  <nickc@redhat.com>
8243         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8244
8245 2009-12-11  Doug Kwan  <dougkwan@google.com>
8246
8247         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8248         due to -Wshadow.
8249         * attributes.cc (Object_attribute::size): Ditto.
8250         (Attributes_section_data::size): Ditto.
8251         (Attributes_section_data::Attributes_section_data): Ditto.
8252         (Output_attributes_section_data::do_write): Ditto.
8253         * attributes.h (Object_attribute::set_type): Ditto.
8254         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8255
8256 2009-12-11  Nick Clifton  <nickc@redhat.com>
8257
8258         * archive.cc: Fix shadowed variable warnings.
8259         * arm.cc: Likewise.
8260         * compressed_output.cc: Likewise.
8261         * compressed_output.h: Likewise.
8262         * configure: Likewise.
8263         * dwarf_reader.cc: Likewise.
8264         * dynobj.cc: Likewise.
8265         * dynobj.h: Likewise.
8266         * ehframe.cc: Likewise.
8267         * ehframe.h: Likewise.
8268         * errors.cc: Likewise.
8269         * expression.cc: Likewise.
8270         * fileread.cc: Likewise.
8271         * fileread.h: Likewise.
8272         * freebsd.h: Likewise.
8273         * i386.cc: Likewise.
8274         * icf.cc: Likewise.
8275         * incremental.h: Likewise.
8276         * layout.cc: Likewise.
8277         * layout.h: Likewise.
8278         * mapfile.cc: Likewise.
8279         * merge.cc: Likewise.
8280         * merge.h: Likewise.
8281         * object.cc: Likewise.
8282         * object.h: Likewise.
8283         * options.h: Likewise.
8284         * output.cc: Likewise.
8285         * output.h: Likewise.
8286         * parameters.cc: Likewise.
8287         * plugin.cc: Likewise.
8288         * powerpc.cc: Likewise.
8289         * reduced_debug_output.cc: Likewise.
8290         * reduced_debug_output.h: Likewise.
8291         * reloc.cc: Likewise.
8292         * reloc.h: Likewise.
8293         * resolve.cc: Likewise.
8294         * script-sections.cc: Likewise.
8295         * script.cc: Likewise.
8296         * script.h: Likewise.
8297         * sparc.cc: Likewise.
8298         * symtab.cc: Likewise.
8299         * symtab.h: Likewise.
8300         * target-select.cc: Likewise.
8301         * target-select.h: Likewise.
8302         * token.h: Likewise.
8303         * workqueue.cc: Likewise.
8304         * workqueue.h: Likewise.
8305         * x86_64.cc: Likewise.
8306
8307 2009-12-10  Doug Kwan  <dougkwan@google.com>
8308
8309         * arm.cc (attributes.h): New include.
8310         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8311         (Arm_relobj::~Arm_relobj): Delete object pointed by
8312         attributes_section_data_.
8313         (Arm_relobj::attributes_section_data): New method definition.
8314         (Arm_relobj::attributes_section_data_): New data member declaration.
8315         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8316         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8317         attributes_section_data_.
8318         (Arm_dynobj::attributes_section_data): New method definition.
8319         (Arm_dynobj::attributes_section_data_): New data member declaration.
8320         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8321         initialization value of may_use_blx_ to false.
8322         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8323         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8324         object attributes to compute results instead of hard-coding.
8325         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8326         Target_arm::get_secondary_compatible_arch,
8327         Target_arm::set_secondary_compatible_arch
8328         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8329         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8330         New method declarations.
8331         (Target_arm::get_aeabi_object_attribute): New method definition.
8332         (Target_arm::attributes_section_data_): New data member declaration.
8333         (read_arm_attributes_section): New template definition.
8334         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8335         (Arm_dynobj::do_read_symbols): Ditto.
8336         (Target_arm::do_finalize_sections): Merge attributes sections from
8337         input.  Check for BLX use after attributes section merging.
8338         Fix __exidx_start and __exidx_end visibility.  Create an
8339         .ARM.attributes section if necessary.
8340         (Target_arm::get_secondary_compatible_arch,
8341         Target_arm::set_secondary_compatible_arch,
8342         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8343         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8344         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8345         New method definitions.
8346
8347 2009-12-09  Ian Lance Taylor  <iant@google.com>
8348
8349         * plugin.cc (Plugin::load): Don't cast from void* to a function
8350         pointer.
8351
8352 2009-12-09  Ian Lance Taylor  <iant@google.com>
8353
8354         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8355         information fields.
8356
8357 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8358
8359         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8360         Replace two_file_shared_1.so with two_file_shared_2.so.
8361         * testsuite/Makefile.in: Regenerated.
8362
8363 2009-12-08  Doug Kwan  <dougkwan@google.com>
8364
8365         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8366         (HFILES): Add attributes.h and int_encoding.h.
8367         * Makefile.in: Regenerate.
8368         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8369         function definitions to int_encoding.cc
8370         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8371         prototypes to int_encoding.h
8372         * reduced_debug_output.cc (int_encoding.h): New include.
8373         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8374         function definitions to int_encoding.cc
8375         (insert_into_vector, read_from_pointer): Move template definitions to
8376         int_encoding.h
8377         * attributes.cc: New file.
8378         * attributes.h: New file.
8379         * int_encoding.cc: New file.
8380         * int_encoding.h: New file.
8381
8382 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8383
8384         PR gold/11055
8385         * incremental-dump.cc (dump_incremental_inputs): New.
8386         (main): Use dump_incremental_inputs.
8387
8388 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8389
8390         PR gold/10893
8391         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8392         checking elfcpp::STT_FUNC.
8393         (Target_i386::Relocate::relocate): Likewise.
8394         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8395
8396         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8397         symbols from shared libraries into normal FUNC symbols.
8398
8399         * symtab.h (Symbol): Add is_func and use it.
8400
8401 2009-12-05  Doug Kwan  <dougkwan@google.com>
8402
8403         * arm.cc (Target_arm::arm_info): Initialize new fields
8404         attributes_section and attributes_vendor.
8405         * i386.cc (Target_i386::i386_info): Same.
8406         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8407         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8408         fields attributes_section and attributes_vendor.
8409         * sparc.cc (Target_sparc::sparc_info): Same.
8410         * target.h (Target::attributes_section, Target::attributes_vendor,
8411         Target::is_attributes_section, Target::attribute_arg_type,
8412         Target::attributes_order): New method definitions.
8413         (Target::Target_info::attributes_section,
8414         Target::Target_info::attributes_vendor): New fields.
8415         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8416         virtual method definitions.
8417         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8418         attributes_section and attributes_vendor.
8419         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8420
8421 2009-12-05  Doug Kwan  <dougkwan@google.com>
8422
8423         * arm.cc: Update comments about interworking and stub generation.
8424         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8425         considered as non-PIC.
8426         (Arm_relocate_functions::base_abs): Fix formatting.
8427         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8428         of function to use GOT entry address instead of offset.
8429         (Target_arm::Scan::global): Issue an error if a symbol would need a
8430         PLT does not get one because it is untyped.  Remove code to create
8431         dynamic symbols for relative branches.
8432         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8433         takes unsigned integer instead of boolean.
8434
8435 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8436
8437         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8438         (two_file_test_LDADD): Likewise.
8439         (common_test_1_LDADD): Likewise.
8440         (exception_test_LDADD) Likewise.
8441         (weak_test_LDADD): Likewise.
8442         (many_sections_test_LDADD): Likewise.
8443         (initpri1_LDADD): Likewise.
8444         (script_test_1_LDADD): Likewise.
8445         (script_test_2_LDADD): Likewise.
8446         (justsyms_LDADD): Likewise.
8447         (binary_test_LDADD): Likewise.
8448         (large_LDADD): Likewise.
8449         * testsuite/Makefile.in: Regenerated.
8450
8451 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8452
8453         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8454         (Symbol_table::override_with_special): Likewise.
8455         (Symbol_table::add_from_object): Likewise.
8456
8457 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8458
8459         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8460         Don't set the data_offset twice.
8461
8462 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8463
8464         * testsuite/Makefile.in: Regenerate.
8465
8466 2009-12-03  Doug Kwan  <dougkwan@google.com>
8467
8468         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8469         (Target_arm::do_finalize_sections): Add parameter for symbol table
8470         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8471         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8472         parameter for symbol table pointer.
8473         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8474         an additional parameter for a pointer to symbol table.
8475         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8476         parameter for a symbol table pointer.
8477         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8478         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8479         Ditto.
8480         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8481         parameter for a symbol table pointer.
8482
8483 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8484
8485         * incremental.cc (Incremental_inputs_header)
8486         (Incremental_inputs_header_write, Incremental_inputs_entry)
8487         (Incremental_inputs_entry_write): Move ...
8488         * incremental.h (Incremental_inputs_header)
8489         (Incremental_inputs_header_write, Incremental_inputs_entry)
8490         (Incremental_inputs_entry_write): here.
8491
8492 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8493
8494         * incremental.cc (make_sized_incremental_binary): Set the target.
8495         Error if it is incompatible.
8496         * output.h (Output_file): Add filename method.
8497
8498 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8499
8500         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8501         from the get_* methods.
8502
8503 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8504
8505         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8506         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8507         Write 0 for the data_offset of scripts.
8508
8509 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8510
8511         * testsuite/Makefile.am: Add the incremental_test.sh test.
8512         * testsuite/incremental_test.sh: New.
8513         * testsuite/incremental_test_1.c: New.
8514         * testsuite/incremental_test_2.c: New.
8515
8516 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8517
8518         * incremental-dump.cc (main): Fix typos.
8519
8520 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8521
8522         PR gold/11025
8523         * incremental-dump.cc (main): Use llu to print 64 bit values.
8524
8525 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8526             H.J. Lu  <hongjiu.lu@intel.com>
8527
8528         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8529         $(LIBDL).
8530         (incremental_dump_LDADD): Likewise.
8531         * Makefile.in: Regenerated.
8532
8533 2009-11-25  Doug Kwan  <dougkwan@google.com>
8534
8535         Revert:
8536
8537         2009-11-25  Doug Kwan  <dougkwan@google.com>
8538
8539                 * arm.cc (Target_arm::Target_arm): Move method definition
8540                 outside of class definition.  Add code to handle
8541                 --target1-rel, --target1-abs and --target2= options.
8542                 (Target_arm::get_reloc_reloc_type): Change method to be
8543                 non-static and const.
8544                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8545                 New data member declaration.
8546                 (Target_arm::Scan::local, Target_arm::Scan::global,
8547                 Target_arm::Relocate::relocate,
8548                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8549                 Adjust call to Target_arm::get_real_reloc_type.
8550                 (Target_arm::get_real_reloc_type): Use command line options
8551                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8552                 * options.h (--target1-rel, --target1-abs, --target2): New
8553                 ARM-only options.
8554
8555 2009-11-25  Doug Kwan  <dougkwan@google.com>
8556
8557         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8558         class definition.  Add code to handle --target1-rel, --target1-abs
8559         and --target2= options.
8560         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8561         and const.
8562         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8563         member declaration.
8564         (Target_arm::Scan::local, Target_arm::Scan::global,
8565         Target_arm::Relocate::relocate,
8566         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8567         call to Target_arm::get_real_reloc_type.
8568         (Target_arm::get_real_reloc_type): Use command line options to
8569         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8570         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8571         options.
8572
8573 2009-11-25  Doug Kwan  <dougkwan@google.com>
8574
8575         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8576         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8577         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8578         formatting.
8579         (Arm_relocate_functions::thm_call): Replace body with a call to
8580         Arm_relocate_functions::thumb_branch_common.
8581         (Arm_relocate_functions::thm_jump24,
8582         Arm_relocate_functions::thm_xpc22): New method definitions.
8583         (Arm_relocate_functions::thumb_branch_common): New method definition.
8584         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8585         operator.
8586         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8587         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8588
8589 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8590
8591         * Makefile.am: Build incremental-dump
8592         * Makefile.in: Regenerate.
8593         * incremental-dump.cc: New.
8594         * incremental.cc (Incremental_inputs_header_data,
8595         Incremental_inputs_entry_data): Move to incremental.h
8596         * incremental.h: (Incremental_inputs_header_data,
8597         Incremental_inputs_entry_data): Move from incremental.cc
8598
8599 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8600
8601         * incremental.cc (Incremental_inputs_header,
8602         Incremental_inputs_header_write, Incremental_inputs_entry,
8603         Incremental_inputs_entry_write): Add a typedef with the data type.
8604
8605 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8606
8607         * incremental.cc (Incremental_inputs_header,
8608         Incremental_inputs_header_write, Incremental_inputs_entry,
8609         Incremental_inputs_entry_write): Update comment about which
8610         type has the filed descriptions.
8611
8612 2009-11-15  Doug Kwan  <dougkwan@google.com>
8613
8614         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8615         (Arm_relocate_functions::arm_branch_common): Change method defintion
8616         in class definition to a method declaration and update list of formal
8617         parameters.
8618         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8619         Arm_relocation_functions::jump24): Adjust call to
8620         Arm_relocate_functions::arm_branch_common.  Update list of formal
8621         parameters.
8622         (Arm_relocate_functions::xpc25): New method definition.
8623         (Arm_relocate_functions::arm_branch_common): Move method defintion
8624         out from class definition.  Use stubs for mode-switching and extending
8625         branch ranges.
8626         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8627         specially.  Change code to enable use of stubs in ARM branches.
8628
8629 2009-11-10  Doug Kwan  <dougkwan@google.com>
8630
8631         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8632         in method declaration.
8633         (Target_arm::relocate_stub): New method declaration.
8634         (Target_arm::default_target): Change to return a pointer instead of
8635         a const reference.
8636         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8637         Target_arm::default_target.
8638         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8639         method definition.
8640         (Target_arm::relocate_section): Adjust view.
8641         (Target_arm::relocate_stub): New method definition.
8642
8643 2009-11-10  Doug Kwan  <dougkwan@google.com>
8644
8645         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8646         a format warning.
8647         * incremental.cc (open_incremental_binary): Initialized local
8648         variables to avoid warnings.
8649         * object.cc (make_elf_object): Ditto.
8650         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8651         a format warning.
8652
8653 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8654
8655         PR gold/10930
8656         * testsuite/plugin_test.c: Include "config.h".
8657
8658 2009-11-09  Doug Kwan  <dougkwan@google.com>
8659
8660         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8661         (arm_symbol_value): Remove.
8662         (Arm_relocate_functions::arm_branch_common,
8663         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8664         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8665         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8666         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8667         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8668         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8669         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8670         Arm_relocate_functions::thm_mobw_abs_nc,
8671         Arm_relocate_functions::thm_mov_abs,
8672         Arm_relocate_functions::movw_prel_nc,
8673         Arm_relocate_functions::thm_movt_abs,
8674         Arm_relocate_functions::movt_prel,
8675         Arm_relocate_functions::thm_movw_prel_nc,
8676         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8677         (Target_arm::Relocate::relocate): Only decompose address into two
8678         parts if relocation type uses the thumb-bit and pass the actual
8679         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8680         calls to methods in Arm_relocate_functions for this change.
8681
8682 2009-11-08  Ian Lance Taylor  <iant@google.com>
8683
8684         PR 10925
8685         * reloc.cc: Instantiate
8686         Sized_relobj::initialize_input_to_output_maps and
8687         Sized_relobj:free_input_to_output_maps.
8688
8689 2009-11-06  Ian Lance Taylor  <iant@google.com>
8690
8691         PR 10876
8692         * defstd.cc (in_segment): Set only_if_ref true for "end".
8693
8694 2009-11-06  Doug Kwan  <dougkwan@google.com>
8695
8696         * arm.cc (class Reloc_stub): Correct a comment.
8697         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8698         (Target_arm::scan_section_for_stubs): New method declaration.
8699         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8700         Change methods from private to protected.
8701         (Target_arm::do_may_relax): New method definition.
8702         (Target_arm::do_relax, Target_arm::group_sections,
8703         Target_arm::scan_reloc_for_stub,
8704         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8705         (Target_arm::arm_input_section_map_): New data member declaration.
8706         (Target_arm::scan_reloc_for_stub,
8707         Target_arm::scan_reloc_section_for_stubs,
8708         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8709         Target_arm::do_relax): New method definitions.
8710
8711 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8712
8713         * configure.ac: Check for (struct stat)::st_mtim
8714         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8715         * config.in: Regenerate.
8716         * configure: Regenerate.
8717
8718 2009-11-05  Ian Lance Taylor  <iant@google.com>
8719
8720         PR 10910
8721         * output.cc (Output_segment::add_output_section): Add missing
8722         return statement.
8723
8724 2009-11-04  Ian Lance Taylor  <iant@google.com>
8725
8726         PR 10880
8727         * object.h (class Object): Add is_needed and set_is_needed
8728         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8729         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8730         defined in a dynamic object and referenced by a regular object,
8731         set is_needed for the dynamic object.
8732         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8733         if the file is marked with as_needed and it is not needed.
8734
8735 2009-11-04  Ian Lance Taylor  <iant@google.com>
8736
8737         PR 10887
8738         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8739         tags if data is discarded by linker script.
8740         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8741         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8742         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8743         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8744
8745 2009-11-04  Ian Lance Taylor  <iant@google.com>
8746
8747         * layout.cc (Layout::get_output_section): Add is_interp and
8748         is_dynamic_linker_section parameters.  Change all callers.
8749         (Layout::choose_output_section): Likewise.
8750         (Layout::make_output_section): Likewise.
8751         (Layout::add_output_section_data): Add is_dynamic_linker_section
8752         parameter.  Change all callers.
8753         * layout.h (class Layout): Update declarations.
8754         * output.h (class Output_section): Add is_interp, set_is_interp,
8755         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8756         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8757         generate_code_fills_at_write_ to a bitfield.
8758         * output.cc (Output_section::Output_sections): Initialize new
8759         fields.
8760         (Output_segment::add_output_section): Add do_sort parameter.
8761         Change all callers.
8762
8763 2009-11-03  Ian Lance Taylor  <iant@google.com>
8764
8765         PR 10860
8766         * options.h (class General_options): Add --warn-common.
8767         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8768         merging two common symbols.
8769         (Symbol_table::should_override): Handle --warn-common when merging
8770         a common symbol with a defined symbol.  Use report_resolve_problem
8771         for multiple definitions.
8772         (Symbol_table::report_resolve_problem): New function.
8773         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8774
8775 2009-11-03  Doug Kwan  <dougkwan@google.com>
8776
8777         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8778         stub_factory_.
8779         (Target_arm::stub_factory): New method definition.
8780         (Target_arm::new_arm_input_section,
8781         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8782         Target_arm::reloc_uses_thumb_bit): New method declarations.
8783         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8784         New type definitions.
8785         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8786         member declarations.
8787         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8788         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8789         New method definitions.
8790
8791 2009-11-03  Ian Lance Taylor  <iant@google.com>
8792
8793         * options.h (class General_options): Add --warn_constructors.
8794
8795 2009-11-03  Ian Lance Taylor  <iant@google.com>
8796
8797         PR 10893
8798         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8799         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8800
8801 2009-11-03  Ian Lance Taylor  <iant@google.com>
8802
8803         PR 10895
8804         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8805         --msgid-bugs-address.
8806         (install-pdf): New target.
8807         (install-data_yes): Look up one directory to find mkinstalldirs.
8808
8809 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8810
8811         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8812         tree.
8813
8814 2009-10-30  Doug Kwan  <dougkwan@google.com>
8815
8816         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8817
8818 2009-10-30  Doug Kwan  <dougkwan@google.com>
8819
8820         * arm.cc (Stub_addend_reader): New struct template definition
8821         and partial specializations.
8822         (Stub_addend_reader::operator()): New method definition for a
8823         partially specialized template.
8824
8825 2009-10-30  Doug Kwan  <dougkwan@google.com>
8826
8827         * arm.cc (Arm_relobj::processor_specific_flags): New method
8828         definition.
8829         (Arm_relobj::do_read_symbols): New method declaration.
8830         (Arm_relobj::processor_specific_flags_): New data member declaration.
8831         (Arm_dynobj): New class definition.
8832         (Target_arm::do_finalize_sections): Add input_objects parameter.
8833         (Target_arm::do_adjust_elf_header): New method declaration.
8834         (Target_arm::are_eabi_versions_compatible,
8835         (Target_arm::merge_processor_specific_flags): New method declaration.
8836         (Target_arm::do_make_elf_object): New overloaded method definitions
8837         and declaration.
8838         (Arm_relobj::do_read_symbols): New method definition.
8839         (Arm_dynobj::do_read_symbols): Ditto.
8840         (Target_arm::do_finalize_sections): Add input_objects parameters.
8841         Merge processor-specific flags from all input objects.
8842         (Target_arm::are_eabi_versions_compatible,
8843         Target_arm::merge_processor_specific_flags,
8844         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8845         New method definitions.
8846         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8847         Input_objects pointer type parameter.
8848         * layout.cc (Layout::finalize): Pass input objects to target's.
8849         finalize_sections function.
8850         * output.cc (Output_file_header::do_sized_write): Set ELF file
8851         header's processor-specific flags.
8852         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8853         Input_objects pointer type parameter.
8854         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8855         * target.h (Input_objects): New forward class declaration.
8856         (Target::processor_specific_flags,
8857         Target::are_processor_specific_flags_sect): New method definitions.
8858         (Target::finalize_sections): Add input_objects parameter.
8859         (Target::Target): Initialize processor_specific_flags_ and
8860         are_processor_specific_flags_set_.
8861         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8862         parameter.
8863         (Target::set_processor_specific_flags): New method definition.
8864         (Target::processor_specific_flags_,
8865         Target::are_processor_specific_flags_set_): New data member
8866         declarations.
8867         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8868         Input_objects pointer type parameter.
8869
8870 2009-10-30  Doug Kwan  <dougkwan@google.com>
8871
8872         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8873
8874 2009-10-28  Ian Lance Taylor  <iant@google.com>
8875
8876         * object.h (class Relobj): Drop options parameter from
8877         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8878         do_scan_relocs, do_relocate.  Change all callers.
8879         (class Sized_relobj): Drop options parameters from
8880         do_gc_process_relocs, do_scan_relocs, do_relocate,
8881         do_relocate_sections, relocate_sections, emit_relocs_scan,
8882         emit_relocs_scan_reltype.  Change all callers.
8883         (struct Relocate_info): Remove options field and all references to
8884         it.
8885         * reloc.h (class Read_relocs): Remove options constructor
8886         parameter and options_ field.  Change all callers.
8887         (class Gc_process_relocs, class Scan_relocs): Likewise.
8888         (class Relocate_task): Likewise.
8889         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8890         all callers.
8891         (scan_relocatable_relocs): Likewise.
8892         * target.h (class Sized_target): Remove options parameter from
8893         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8894         all callers.
8895         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8896         callers.
8897         * arm.cc: Update functions to remove options parameters.
8898         * i386.cc: Likewise.
8899         * powerpc.cc: Likewise.
8900         * sparc.cc: Likewise.
8901         * x86_64.cc: Likewise.
8902         * testsuite/testfile.cc: Likewise.
8903
8904 2009-10-28  Doug Kwan  <dougkwan@google.com>
8905
8906         * arm.cc (Arm_relobj): New class definition.
8907         (Arm_relobj::scan_sections_for_stubs,
8908         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8909         New method definitions.
8910
8911 2009-10-28  Cary Coutant  <ccoutant@google.com>
8912
8913         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8914         (Plugin::cleanup_done_): New member.
8915         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8916         (Plugin_manager::cleanup_done_): Remove.
8917         (Plugin_manager::add_input_file): Edit error message.
8918         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8919         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8920
8921 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8922
8923         * fileread.cc: (File_read::View::~View): Use the new
8924         data_ownership_ filed.
8925         (File_read::~File_read): Dispose the new whole_file_view_.
8926         (File_read::open): Mmap the whole file if needed.
8927         (File_read::open): Use whole_file_view_ instead of contents_.
8928         (File_read::find_view): Use whole_file_view_ if applicable.
8929         (File_read::do_read): Use whole_file_view_ instead of contents_.
8930         (File_read::make_view): Use whole_file_view_ instead of contents_,
8931         update File_read::View::View call.
8932         (File_read::find_or_make_view): Update File_read::View::View
8933         call.
8934         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8935         remove contents_
8936         (File_read::View::Data_ownership): New enum.
8937         (File_read::View::View): Replace bool mapped_ with Data_ownership
8938         argument.
8939         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8940         (File_read::View::data_ownership_): New field.
8941         (File_read::contents_): Remove (replaced by whole_file_view_).
8942         (File_read::whole_file_view_): New field.
8943         * options.h (class General_options): Add --keep-files-mapped.
8944
8945 2009-10-27  Cary Coutant  <ccoutant@google.com>
8946
8947         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8948         * testsuite/Makefile.am (plugin_test_5): New test case.
8949         * testsuite/Makefile.in: Regenerate.
8950
8951 2009-10-25  Doug Kwan  <dougkwan@google.com>
8952
8953         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8954         from private to protected to allow access by child class.
8955         (Sized_relobj::do_relocate_sections): New method declaration.
8956         (Sized_relobj::relocate_sections): Virtualize.
8957         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8958         Sized_relobj::relocate_sections.  Instantiate template explicitly
8959         for different target sizes and endianity.
8960
8961 2009-10-24  Doug Kwan  <dougkwan@google.com>
8962
8963         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8964         (Arm_input_section::as_arm_input_section): New method.
8965         (Arm_output_section): New class definition.
8966         (Arm_output_section::create_stub_group,
8967         Arm_output_section::group_sections): New method definitions.
8968
8969 2009-10-22  Doug Kwan  <dougkwan@google.com>
8970
8971         * arm.cc (Arm_input_section): New class definition.
8972         (Arm_input_section::init, Arm_input_section:do_write,
8973         Arm_input_section::set_final_data_size,
8974         Arm_input_section::do_reset_address_and_file_offset): New method
8975         definitions.
8976
8977 2009-10-21  Doug Kwan  <dougkwan@google.com>
8978
8979         * arm.cc (Stub_table, Arm_input_section): New forward class
8980         declarations.
8981         (Stub_table): New class defintion.
8982         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8983         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8984         New method definition.
8985
8986 2009-10-21  Doug Kwan  <dougkwan@google.com>
8987
8988         * arm.cc: Update copyright comments.
8989         (Target_arm): New forward class template declaration.
8990         (Arm_address): New type.
8991         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8992         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8993         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8994         constants.
8995         (Insn_template): Same.
8996         (DEF_STUBS): New macro.
8997         (Stub_type): New enum type.
8998         (Stub_template): New class definition.
8999         (Stub): Same.
9000         (Reloc_stub): Same.
9001         (Stub_factory): Same.
9002         (Target_arm::Target_arm): Initialize may_use_blx_ and
9003         should_force_pic_veneer_.
9004         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9005         Target_arm::should_force_pic_veneer,
9006         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9007         Target_arm::using_thumb_only, Target_arm:;default_target): New
9008         method defintions.
9009         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9010         New data member declarations.
9011         (Insn_template::size, Insn_template::alignment): New method defintions.
9012         (Stub_template::Stub_template): New method definition.
9013         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9014         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9015         (Stub_factory::Stub_factory): New method definition.
9016         * gold.h (string_hash): New template.
9017         * output.h (Input_section_specifier::hash_value): Use
9018         gold::string_hash.
9019         (Input_section_specifier::string_hash): Remove.
9020         * stringpool.cc (Stringpool_template::string_hash): Use
9021         gold::string_hash.
9022
9023 2009-10-20  Doug Kwan  <dougkwan@google.com>
9024
9025         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9026         symbols of relaxed input sections.
9027         * output.h (Output_section::find_relaxed_input_section): Make
9028         method public.
9029
9030 2009-10-16  Doug Kwan  <dougkwan@google.com>
9031
9032         * dynobj.cc (Versions::Versions): Initialize version_script_.
9033         Only insert base version symbol definition for a shared object
9034         if version script defines any version versions.
9035         (Versions::define_base_version): New method definition.
9036         (Versions::add_def): Check that base version is not needed.
9037         (Versions::add_need): Define base version lazily.
9038         * dynobj.h (Versions::define_base_version): New method declaration.
9039         (Versions::needs_base_version_): New data member declaration.
9040         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9041         (check_DATA): Add no_version_test.stdout.
9042         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9043         New make rules.
9044         * testsuite/Makefile.in: Regenerate.
9045         * testsuite/no_version_test.c: New file.
9046         * testsuite/no_version_test.sh: Ditto.
9047
9048 2009-10-16  Doug Kwan  <dougkwan@google.com>
9049
9050         * expression.cc (class Segment_start_expression): New class definition.
9051         (Segment_start_expression::value): New method definition.
9052         (script_exp_function_segment_start): Return a new
9053         Segment_start_expression.
9054         * gold/script-c.h (script_saw_segment_start_expression): New function
9055         prototype.
9056         * script-sections.cc (Script_sections::Script_sections): Initialize
9057         SAW_SEGMENT_START_EXPRESSION_ to false.
9058         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9059         and -Tbbs options to specify section addresses if given in
9060         command line and no SEGMENT_START expression is seen in a script.
9061         * script-sections.h (Script_sections::saw_segment_start_expression,
9062         Script_sections::set_saw_segment_start_expression): New method
9063         definition.
9064         (Script_sections::saw_segment_start_expression_): New data member
9065         declaration.
9066         * script.cc (script_saw_segment_start_expression): New function.
9067         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9068         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9069         script_test_7.sh and script_test_8.sh.
9070         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9071         script_test_8.stdout.
9072         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9073         (script_test_6, script_test_6.stdout, script_test_7,
9074         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9075         * Makefile.in: Regenerate.
9076         * testsuite/script_test_6.sh: New file.
9077         * testsuite/script_test_6.t: Same.
9078         * testsuite/script_test_7.sh: Same.
9079         * testsuite/script_test_7.t: Same.
9080         * testsuite/script_test_8.sh: Same.
9081
9082 2009-10-16  Doug Kwan  <dougkwan@google.com>
9083
9084         * output.cc (Output_segment::set_section_list_address): Cast
9085         expressions to unsigned long long type to avoid format warnings.
9086
9087 2009-10-15  Ian Lance Taylor  <iant@google.com>
9088
9089         * script.cc (Script_options::add_symbol_assignment): Always add a
9090         dot assignment to script_sections_.
9091         * script-sections.cc (Script_sections::add_dot_assignment):
9092         Initialize if necessary.
9093
9094         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9095         program headers with no load segment if there is a linker script.
9096
9097         * layout.cc (Layout::set_segment_offsets): Align the file offset
9098         to the segment aligment for -N or -n with no load segment.
9099         * output.cc (Output_segment::add_output_section): Don't crash if
9100         the first section is a TLS section.
9101         (Output_segment::set_section_list_addresses): Print an error
9102         message if the address moves backward in a linker script.
9103         * script-sections.cc
9104         (Output_section_element_input::set_section_addresses): Don't
9105         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9106         (Orphan_output_section::set_section_addresses): Likewise.
9107
9108 2009-10-15  Doug Kwan  <dougkwan@google.com>
9109
9110         * layout.cc (Layout::finish_dynamic_section): Generate tags
9111         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9112         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9113         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9114
9115 2009-10-14  Ian Lance Taylor  <iant@google.com>
9116
9117         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9118         fields.
9119         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9120         data_shdr fields of relinfo.
9121         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9122         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9123         R_386_TLS_LDO_32, adjust based on section flags.
9124         (Target_i386::Relocate::fix_up_ldo): Remove.
9125
9126 2009-10-13  Ian Lance Taylor  <iant@google.com>
9127
9128         Add support for -pie.
9129         * options.h (class General_options): Add -pie and
9130         --pic-executable.
9131         (General_options::output_is_position_independent): Test -pie.
9132         (General_options::output_is_executable): Return true if not shared
9133         and not relocatable.
9134         (General_options::output_is_pie): Remove.
9135         * options.cc (General_options::finalize): Reject incompatible uses
9136         of -pie.
9137         * gold.cc (queue_middle_tasks): A -pie link is not static.
9138         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9139         * symtab.cc (Symbol::final_value_is_known): Return false if
9140         output_is_position_independent.
9141         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9142         output_is_position_independent.
9143         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9144         output_is_position_independent.
9145         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9146         output_is_position_independent.
9147         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9148         two_file_pie_test.
9149         (basic_pie_test.o, basic_pie_test): New targets.
9150         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9151         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9152         (two_file_pie_test): New target.
9153         * testsuite/Makefile.in: Rebuild.
9154         * README: Remove note saying that -pie is not supported.
9155
9156 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9157
9158         * options.h (class General_options): Add -init and -fini.
9159         * layout.cc (Layout::finish_dynamic_section): Emit
9160         given init and fini functions.
9161
9162 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9163
9164         * gc.h (gc_process_relocs): Check if icf is enabled using new
9165         function.
9166         * gold.cc (queue_initial_tasks): Likewise.
9167         (queue_middle_tasks): Likewise.
9168         * object.cc (do_layout): Likewise.
9169         * symtab.cc (is_section_folded): Likewise.
9170         * main.cc (main): Likewise.
9171         * reloc.cc (Read_relocs::run): Likewise.
9172         (Sized_relobj::do_scan_relocs): Likewise.
9173         * icf.cc (is_function_ctor_or_dtor): New function.
9174         (Icf::find_identical_sections): Check if function is ctor or dtor when
9175         safe icf is chosen.
9176         * options.h (General_options::icf): Change option to be an enum.
9177         (Icf_status): New enum.
9178         (icf_enabled): New method.
9179         (icf_safe_folding): New method.
9180         (set_icf_status): New method.
9181         (icf_status_): New variable.
9182         * (options.cc) (General_options::finalize): Set icf_status_.
9183         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9184         icf_test and icf_keep_unique_test to use the --icf enum flag.
9185         * testsuite/icf_safe_test.sh: New file.
9186         * testsuite/icf_safe_test.cc: New file.
9187
9188 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9189
9190         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9191         includes to gc.h and icf.h.
9192         * arm.cc: Include gc.h.
9193         * gold.cc: Likewise.
9194         * i386.cc: Likewise.
9195         * powerpc.cc: Likewise.
9196         * sparc.cc: Likewise.
9197         * x86_64.cc: Likewise.
9198         * gc.h: Include icf.h.
9199
9200 2009-10-11  Ian Lance Taylor  <iant@google.com>
9201
9202         * plugin.cc: Include "gold.h" before other header files.
9203
9204 2009-10-10  Chris Demetriou  <cgd@google.com>
9205
9206         * options.h (Input_file_argument::Input_file_type): New enum.
9207         (Input_file_argument::is_lib_): Replace with...
9208         (Input_file_argument::type_): New member.
9209         (Input_file_argument::Input_file_argument): Take Input_file_type
9210         'type' rather than boolean 'is_lib' as second argument.
9211         (Input_file_argument::is_lib): Use type_.
9212         (Input_file_argument::is_searched_file): New function.
9213         (Input_file_argument::may_need_search): Handle is_searched_file.
9214         * options.cc (General_options::parse_library): Support -l:filename.
9215         (General_options::parse_just_symbols): Update for Input_file_argument
9216         changes.
9217         (Command_line::process): Likewise.
9218         * archive.cc (Archive::get_file_and_offset): Likewise.
9219         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9220         * script.cc (read_script_file, script_add_file): Likewise.
9221         * fileread.cc (Input_file::Input_file): Likewise.
9222         (Input_file::will_search_for): Handle is_searched_file.
9223         (Input_file::open): Likewise.
9224         * readsyms.cc (Read_symbols::get_name): Likewise.
9225         * testsuite/Makefile.am (searched_file_test): New test.
9226         * testsuite/Makefile.in: Regenerate.
9227         * testsuite/searched_file_test.cc: New file.
9228         * testsuite/searched_file_test_lib.cc: New file.
9229
9230 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9231             Ian Lance Taylor  <iant@google.com>
9232
9233         * descriptor.cc: Include <cstdio> and "binary-io.h".
9234         (Descriptors::open): Open the files in binary mode always.
9235         * script.cc (Lex::get_token): Treat \r as whitespace.
9236
9237 2009-10-09  Ian Lance Taylor  <iant@google.com>
9238
9239         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9240
9241 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9242             Ian Lance Taylor  <iant@google.com>
9243
9244         * configure.ac: Check for readv function also.
9245         * fileread.cc (readv): Define if not HAVE_READV.
9246         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9247         does not exist.
9248         * config.in: Regenerate.
9249         * configure: Regenerate.
9250
9251 2009-10-09  Doug Kwan  <dougkwan@google.com>
9252
9253         * layout.cc (Layout::make_output_section): Call target hook to make
9254         ordinary output section.
9255         (Layout::finalize): Adjust parameter list of call the
9256         Target::may_relax().
9257         * layout.h (class Layout::section_list): New method.
9258         * merge.h (Output_merge_base::entsize): Change visibility to public.
9259         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9260         New methods.
9261         (Output_merge_string::do_is_string): New method.
9262         * object.cc (Sized_relobj::do_setup): renamed from
9263         Sized_relobj::set_up.
9264         * object.h (Sized_relobj::adjust_shndx,
9265         Sized_relobj::initializ_input_to_output_maps,
9266         Sized_relobj::free_input_to_output_maps): Change visibilities to
9267         protected.
9268         (Sized_relobj::setup): Virtualize.
9269         (Sized_relobj::do_setup): New method declaration.
9270         (Sized_relobj::invalidate_section_offset,
9271         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9272         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9273         * options.cc (parse_int): New function.
9274         * options.h (parse_int): New declaration.
9275         (DEFINE_int): New macro.
9276         (stub_group_size): New option.
9277         * output.cc (Output_section::Output_section): Initialize memebers
9278         merge_section_map_, merge_section_by_properties_map_,
9279         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9280         (Output_section::add_input_section): Handled deferred code-fill
9281         generation and remove an old comment.
9282         (Output_section::add_relaxed_input_section): New method definition.
9283         (Output_section::add_merge_input_section): Use merge section by
9284         properties map to speed to search.  Update merge section maps
9285         as appropriate.
9286         (Output_section::build_relaxation_map): New method definition.
9287         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9288         Same.
9289         (Output_section::relax_input_section): Renamed to
9290         Output_section::convert_input_sections_to_relaxed_sections and change
9291         interface to take a vector of pointers to relaxed sections.
9292         (Output_section::find_merge_section,
9293         Output_section::find_relaxed_input_section): New method definitions.
9294         (Output_section::is_input_address_mapped,
9295         Output_section::output_offset, Output_section::output_address):
9296         Use output section data maps to speed up searching.
9297         (Output_section::find_starting_output_address): Add comments.
9298         (Output_section::do_write,
9299         Output_section::write_to_postprocessing_buffer): Do code-fill
9300         generation as appropriate.
9301         (Output_section::get_input_sections): Invalidate relaxed input section
9302         map.
9303         (Output_section::restore_states): Adjust type of checkpoint .
9304         Invalidate relaxed input section map.
9305         * output.h (Output_merge_base): New class declaration.
9306         (Input_section_specifier): New class defintion.
9307         (class Output_relaxed_input_section) Change base class to
9308         Output_section_data_build.
9309         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9310         base class initializer.
9311         (Output_section::add_relaxed_input_section): New method declaration.
9312         (Output_section::Input_section): Change visibility to protected.
9313         (Output_section::Input_section::relobj,
9314         Output_section::Input_section::shndx): Handle relaxed input sections.
9315         Output_section::input_sections) Change visibility to protected.  Also
9316         define overload to return a non-const pointer.
9317         (Output_section::Merge_section_properties): New class defintion.
9318         (Output_section::Merge_section_by_properties_map,
9319         Output_section::Output_section_data_by_input_section_map,
9320         Output_section::Relaxation_map): New types.
9321         (Output_section::relax_input_section): Rename method to
9322         Output_section::convert_input_sections_to_relaxed_sections and change
9323         interface to take a vector of relaxed section pointers.
9324         (Output_section::find_merge_section,
9325         Output_section::find_relaxed_input_section,
9326         Output_section::build_relaxation_map,
9327         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9328         New method declarations.
9329         (Output_section::merge_section_map_
9330         Output_section::merge_section_by_properties_map_,
9331         Output_section::relaxed_input_section_map_,
9332         Output_section::is_relaxed_input_section_map_valid_,
9333         Output_section::generate_code_fills_at_write_): New data members.
9334         * script-sections.cc
9335         (Output_section_element_input::set_section_addresses): Call
9336         current_data_size and addralign methods of relaxed input sections.
9337         (Orphan_output_section::set_section_addresses): Call current_data_size
9338         and addralign methods of relaxed input sections.
9339         * symtab.cc (Symbol_table::compute_final_value): Extract template
9340         from the body of Symbol_table::sized_finalize_symbol.
9341         (Symbol_table::sized_finalized_symbol): Call
9342         Symbol_table::compute_final_value.
9343         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9344         (Symbol_table::compute_final_value): New templated method declaration.
9345         * target.cc (Target::do_make_output_section): New method defintion.
9346         * target.h (Target::make_output_section): New method declaration.
9347         (Target::relax): Add more parameters for input objects, symbol table
9348         and layout.  Adjust call to do_relax.
9349         (Target::do_make_output_section): New method declaration.
9350         (Target::do_relax): Add parameters for input objects, symbol table
9351         and layout.
9352
9353 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9354
9355         * pread.c: Include stdio.h.
9356
9357 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9358
9359         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9360         defined.
9361
9362 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9363
9364         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9365         Change read_shndx type to unsigned int.
9366         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9367         int.
9368         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9369         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9370         Change read_shndx type to unsigned int.
9371         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9372         int.
9373         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9374         * layout.cc (Layout::create_symtab_sections): Cast the result of
9375         local_symcount * symsize to off_t in the gold_assert.
9376
9377 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9378
9379         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9380         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9381         R_ARM_BASE_ABS.
9382         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9383         (Arm_relocate_functions::thm_abs5): New function.
9384         (Arm_relocate_functions::abs12): New function.
9385         (Arm_relocate_functions::abs16): New function.
9386         (Arm_relocate_functions::base_abs): New function.
9387         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9388         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9389         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9390         R_ARM_BASE_ABS.
9391         (Scan::global): Likewise.
9392         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9393         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9394         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9395         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9396         R_ARM_BASE_ABS.
9397
9398 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9399
9400         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9401         (Arm_relocate_functions::movt_prel): New function.
9402         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9403         (Arm_relocate_functions::thm_movt_prel): New function.
9404         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9405         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9406         (Scan::global, Relocate::relocate): Likewise.
9407         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9408
9409 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9410
9411         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9412         Incremental_checker.
9413         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9414         unsigned int.
9415         (class Incremental_inputs_header): New class.
9416         (Incremental_inputs_header_writer): Edit comment.
9417         (Incremental_inputs_entry): New class.
9418         (Incremental_inputs_entry_writer): Edit comment.
9419         (Sized_incremental_binary::do_find_incremental_inputs_section):
9420         Add *strtab_shndx parameter, fill it.
9421         (Sized_incremental_binary::do_check_inputs): New method.
9422         (Incremental_checker::can_incrementally_link_output_file): Use
9423         Sized_incremental_binary::check_inputs.
9424         (Incremental_inputs::report_command_line): Save command line in
9425         command_line_.
9426         * incremental.h:
9427         (Incremental_binary::find_incremental_inputs_section): New
9428         method.
9429         (Incremental_binary::do_find_incremental_inputs_section): Add
9430         strtab_shndx parameter.
9431         (Incremental_binary::do_check_inputs): New pure virtual method.
9432         (Sized_incremental_binary::do_check_inputs): Declare.
9433         (Incremental_checker::Incremental_checker): Add incremental_inputs
9434         parameter, use it to initialize incremental_inputs_.
9435         (Incremental_checker::incremental_inputs_): New field.
9436         (Incremental_checker::command_line): New method.
9437         (Incremental_checker::inputs): New method.
9438         (Incremental_checker::command_line_): New field.
9439
9440 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9441
9442         * incremental.cc: Include <cstdarg> and "target-select.h".
9443         (vexplain_no_incremental): New function.
9444         (explain_no_incremental): New function.
9445         (Incremental_binary::error): New method.
9446         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9447         method.
9448         (make_sized_incremental_binary): New function.
9449         (open_incremental_binary): New function.
9450         (can_incrementally_link_file): Add checks if output is ELF and has
9451         inputs section.
9452         * incremental.h: Include "elfcpp_file.h" and "output.h".
9453         (Incremental_binary): New class.
9454         (Sized_incremental_binary): New class.
9455         (open_incremental_binary): Declare.
9456         * object.cc (is_elf_object): Use
9457         elfcpp::Elf_recognizer::is_elf_file.
9458         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9459         * output.h (Output_file::filesize): New method.
9460
9461 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9462
9463         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9464         New function.
9465         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9466         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9467         function.
9468         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9469         function.
9470         (Arm_relocate_functions::movw_abs_nc): New function.
9471         (Arm_relocate_functions::movt_abs): New function.
9472         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9473         (Arm_relocate_functions::thm_movt_abs): New function.
9474         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9475         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9476         (Scan::global): Likewise.
9477         (Relocate::relocate): Likewise.
9478         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9479
9480 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9481
9482         * arm.cc (Arm_relocate_functions::got_prel) New function.
9483         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9484         (Relocate::relocate): Likewise.
9485         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9486
9487 2009-10-06  Ian Lance Taylor  <iant@google.com>
9488
9489         * options.h (class General_options): Define
9490         split_stack_adjust_size parameter.
9491         * object.h (class Object): Add uses_split_stack_ and
9492         has_no_split_stack_ fields.  Add uses_split_stack and
9493         has_no_split_stack accessor functions.  Declare
9494         handle_split_stack_section.
9495         (class Reloc_symbol_changes): Define.
9496         (class Sized_relobj): Define Function_offsets.  Declare
9497         split_stack_adjust, split_stack_adjust_reltype, and
9498         find_functions.
9499         * object.cc (Object::handle_split_stack_section): New function.
9500         (Sized_relobj::do_layout): Call handle_split_stack_section.
9501         * dynobj.cc (Sized_dynobj::do_layout): Call
9502         handle_split_stack_section.
9503         * reloc.cc (Sized_relobj::relocate_sections): Call
9504         split_stack_adjust for executable sections in split_stack
9505         objects.  Pass reloc_map to relocate_section.
9506         (Sized_relobj::split_stack_adjust): New function.
9507         (Sized_relobj::split_stack_adjust_reltype): New function.
9508         (Sized_relobj::find_functions): New function.
9509         * target-reloc.h: Include "object.h".
9510         (relocate_section): Add reloc_symbol_changes parameter.  Change
9511         all callers.
9512         * target.h (class Target): Add calls_non_split method.  Declare
9513         do_calls_non_split virtual method.  Declare match_view and
9514         set_view_to_nop.
9515         * target.cc: Include "elfcpp.h".
9516         (Target::do_calls_non_split): New function.
9517         (Target::match_view): New function.
9518         (Target::set_view_to_nop): New function.
9519         * gold.cc (queue_middle_tasks): Give an error if mixing
9520         split-stack and non-split-stack objects with -r.
9521         * i386.cc (Target_i386::relocate_section): Add
9522         reloc_symbol_changes parameter.
9523         (Target_i386::do_calls_non_split): New function.
9524         * x86_64.cc (Target_x86_64::relocate_section): Add
9525         reloc_symbol_changes parameter.
9526         (Target_x86_64::do_calls_non_split): New function.
9527         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9528         parameter.
9529         * powerpc.cc (Target_powerpc::relocate_section): Add
9530         reloc_symbol_changes parameter.
9531         * sparc.cc (Target_sparc::relocate_section): Add
9532         reloc_symbol_changes parameter.
9533         * configure.ac: Call AM_CONDITIONAL for the default target.
9534         * configure: Rebuild.
9535         * testsuite/Makefile.am (TEST_AS): New variable.
9536         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9537         (check_DATA): Add split_i386 and split_x86_64 files.
9538         (SPLIT_DEFSYMS): Define.
9539         (split_i386_[1234n].o): New targets.
9540         (split_i386_[124]): New targets.
9541         (split_i386_[1234r].stdout): New targets.
9542         (split_x86_64_[1234n].o): New targets.
9543         (split_x86_64_[124]): New targets.
9544         (split_x86_64_[1234r].stdout): New targets.
9545         (MOSTLYCLEANFILES): Add new executables.
9546         * testsuite/split_i386.sh: New file.
9547         * testsuite/split_x86_64.sh: New file.
9548         * testsuite/split_i386_1.s: New file.
9549         * testsuite/split_i386_2.s: New file.
9550         * testsuite/split_i386_3.s: New file.
9551         * testsuite/split_i386_4.s: New file.
9552         * testsuite/split_i386_n.s: New file.
9553         * testsuite/split_x86_64_1.s: New file.
9554         * testsuite/split_x86_64_2.s: New file.
9555         * testsuite/split_x86_64_3.s: New file.
9556         * testsuite/split_x86_64_4.s: New file.
9557         * testsuite/split_x86_64_n.s: New file.
9558         * testsuite/testfile.cc (Target_test): Update relocation_section
9559         function.
9560         * testsuite/Makefile.in: Rebuild.
9561
9562 2009-10-06  Ian Lance Taylor  <iant@google.com>
9563
9564         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9565         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9566         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9567         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9568         the address on ldo_addrs_.
9569         (Target_i386::Relocate::fix_up_ldo): New function.
9570
9571 2009-10-06   Rafael Espindola  <espindola@google.com>
9572
9573         * plugin.cc (add_input_library): New.
9574         (Plugin::load): Add add_input_library to tv.
9575         (Plugin_manager::add_input_file): Add the is_lib argument.
9576         (add_input_file): Update call to Plugin_manager::add_input_file.
9577         (add_input_library): New.
9578         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9579
9580 2009-09-30  Doug Kwan  <dougkwan@google.com>
9581
9582         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9583         symbol and call Symbol::may_need_copy_reloc to determine if
9584         a copy reloc is needed.
9585         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9586         nocopyreloc is given in command line.
9587         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9588         given in command line.
9589         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9590         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9591         of the removed Target_i386::may_need_copy_reloc.
9592         * options.h (copyreloc): New option with default value false.
9593         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9594         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9595         instead of the removed Target_powerpc::may_need_copy_reloc.
9596         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9597         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9598         instead of the removed Target_sparc::may_need_copy_reloc.
9599         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9600         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9601         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9602         instead of the removed Target_x86_64::may_need_copy_reloc.
9603
9604 2009-09-30  Ian Lance Taylor  <iant@google.com>
9605
9606         * object.h (class Object): Remove target_ field, and target,
9607         sized_target, and set_target methods.
9608         (Object::sized_target): Remove.
9609         (class Sized_relobj): Update declarations.  Remove sized_target.
9610         * object.cc (Sized_relobj::setup): Remove target parameter.
9611         Change all callers.
9612         (Input_objects::add_object): Don't do anything with the target.
9613         (make_elf_sized_object): Add punconfigured parameter.  Change all
9614         callers.  Set or test parameter target.
9615         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9616         Change all callers.
9617         * parameters.cc (Parameters::set_target): Change parameter type to
9618         be non-const.
9619         (Parameters::default_target): Remove.
9620         (set_parameters_target): Change parameter type to be non-const.
9621         (parameters_force_valid_target): New function.
9622         (parameters_clear_target): New function.
9623         * parameters.h (class Parameters): Update declarations.  Remove
9624         default_target method.  Add sized_target and clear_target
9625         methods.  Change target_ to be non-const.
9626         (set_parameters_target): Update declaration.
9627         (parameters_force_valid_target): Declare.
9628         (parameters_clear_target): Declare.
9629         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9630         as NULL if we aren't searching.
9631         (Add_symbols::run): Don't check for compatible target.
9632         * fileread.cc (Input_file::open_binary): Call
9633         parameters_force_valid_target.
9634         * gold.cc (queue_middle_tasks): Likewise.
9635         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9636         set_target on object.
9637         * dynobj.h (class Sized_dynobj): Update declarations.
9638         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9639         make_elf_object returns NULL.
9640         (Archive::include_member): Don't check whether object target is
9641         compatible.
9642         * output.cc (Output_section::add_input_section): Get target from
9643         parameters.
9644         (Output_section::relax_input_section): Likewise.
9645         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9646         parameters.
9647         (Sized_relobj::do_scan_relocs): Likewise.
9648         (Sized_relobj::relocate_sections): Likewise.
9649         * resolve.cc (Symbol_table::resolve): Likewise.
9650         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9651         parameter.  Change all callers.
9652         (Symbol_table::add_from_object): Get target from parameters.
9653         (Symbol_table::add_from_relobj): Don't check object target.
9654         (Symbol_table::add_from_dynobj): Likewise.
9655         (Symbol_table::define_special_symbol): Get target from
9656         parameters.
9657         * symtab.h (class Symbol_table): Update declaration.
9658         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9659         parameter.  Change all callers.  Clear parameter target.
9660         (Binary_test): Test target here.
9661         * testsuite/object_unittest.cc (gold_testsuite): Remove
9662         target_test_pointer parameter.  Change all callers.
9663         (Object_test): Test target here.
9664
9665 2009-09-26  Ian Lance Taylor  <iant@google.com>
9666
9667         * testsuite/initpri1.c: Don't try to use constructor priorities if
9668         compiling with gcc before 4.3.
9669
9670 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9671
9672         * testsuite/retain_symbols_file_test.sh (check_present): Change
9673         output file name to retain_symbols_file_test.stdout.
9674         (check_absent): Likewise.
9675
9676 2009-09-18  Craig Silverstein  <csilvers@google.com>
9677
9678         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9679         * options.cc: Include <cerrno> and <fstream>.
9680         (General_options::finalize): Parse -retain-symbols-file tag.
9681         * options.h: New flag.
9682         (General_options): New method should_retain_symbol, new
9683         variable symbols_to_retain.
9684         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9685         should_retain_symbol map.
9686         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9687         * testsuite/Makefile.in: Regenerate.
9688         * testsuite/retain_symbols_file_test.sh: New file.
9689
9690 2009-09-18  Nick Clifton  <nickc@redhat.com>
9691
9692         * po/es.po: Updated Spanish translation.
9693
9694 2009-09-17  Doug Kwan  <dougkwan@google.com>
9695
9696         * debug.h (DEBUG_RELAXATION): New constant.
9697         (DEBUG_ALL): Add DEBUG_RELAXATION.
9698         (debug_string_to_enum): Add relaxation debug option.
9699         * layout.cc
9700         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9701         Layout::Relaxation_debug_check::read_sections,
9702         Layout::Relaxation_debug_check::read_sections): New method definitions.
9703         (Layout::Layout): Initialize data members
9704         record_output_section_data_from_scrips_,
9705         script_output_section_data_list_ and relaxation_debug_check_.
9706         (Layout::save_segments, Layout::restore_segments,
9707         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9708         Layout::relaxation_loop_body): New method definitions.
9709         (Layout::finalize): Support relaxation.  Move section layout code to
9710         Layout::relaxation_loop_body.
9711         (Layout::set_asection_address_from_script): Move code for orphan
9712         section placement out.
9713         (Layout::place_orphan_sections_in_script): New method definition.
9714         * layout.h (Output_segment_headers, Output_file_header):
9715         New forward class declarations.
9716         (Layout::~Layout): Define.
9717         (Layout::new_output_section_data_from_script): New method definition.
9718         (Layout::place_orphan_sections_in_script): New method declaration.
9719         (Layout::Segment_states): New type declaration.
9720         (Layout::save_segments, Layout::restore_segments,
9721         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9722         Layout::relaxation_loop_body): New method declarations.
9723         (Layout::Output_section_data_list): New type declaration.
9724         (Layout::Relaxation_debug_check): New class definition.
9725         (Layout::record_output_section_data_from_script_,
9726         Layout::script_output_section_data_list_, Layout::segment_states_,
9727         Layout::relaxation_debug_check_): New data members.
9728         * output.cc: (Output_section_headers::do_size): New method definition.
9729         (Output_section_headers::Output_section_headers): Move size
9730         computation to Output_section_headers::do_size.
9731         (Output_segment_headers::do_size): New method definition.
9732         (Output_file_header::Output_file_header): Move size computation to
9733         Output_file_header::do_size and call it.
9734         (Output_file_header::do_size): New method definition.
9735         (Output_data_group::Output_data_group): Adjust call to
9736         Output_section_data.
9737         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9738         (Output_symtab_xindex::do_write): Add array bound check.
9739         (Output_section::Input_section::print_to_mapfile): Handle
9740         RELAXED_INPUT_SECTION_CODE.
9741         (Output_section::Output_section): Initialize data member checkpoint_.
9742         (Output_section::~Output_section): Delete checkpoint object pointed
9743         by checkpoint_.
9744         (Output_section::add_input_section): Always add an Input_section if
9745         relaxing.
9746         (Output_section::add_merge_input_section): Add assert.
9747         (Output_section::relax_input_section): New method definition.
9748         (Output_section::set_final_data_size): Set load address to zero for
9749         an unallocated section.
9750         (Output_section::do_address_and_file_offset_have_reset_values):
9751         New method definition.
9752         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9753         Handle relaxed input section.
9754         (Output_section::sort_attached_input_sections): Checkpoint input
9755         section list lazily.
9756         (Output_section::get_input_sections): Change type of input_sections to
9757         list of Simple_input_section pointers.  Checkpoint input section list
9758         lazily.  Also handle relaxed input sections.
9759         (Output_section::add_input_section_for_script): Take a reference to
9760         a Simple_input_section object instead of Relobj pointer and section
9761         index as parameter.  Handle relaxed input sections.
9762         (Output_section::save_states, Output_section::restore_states): New
9763         method definitions.
9764         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9765         (Output_data::is_data_size_fixed): New method definition.
9766         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9767         if it is fixed.
9768         (Output_data::address_and_file_offset_have_reset_values): New method
9769         definition.
9770         (Output_data::do_address_and_file_offset_have_reset_values): New method
9771         definition.
9772         (Output_data::set_data_size): Check that data size is not fixed.
9773         (Output_data::fix_data_size): New method definition.
9774         (Output_data::is_data_size_fixed_): New data member.
9775         (Output_section_headers::set_final_data_size): New method definition.
9776         (Output_section_headers::do_size): New method declaration.
9777         (Output_segment_headers::set_final_data_size): New method definition.
9778         (Output_segment_headers::do_size): New method declaration.
9779         (Output_file_header::set_final_data_size)::New method definition.
9780         (Output_file_header::do_size)::New method declaration.
9781         (Output_section_data::Output_section_data): Add new parameter
9782         is_data_size_fixed and use it to fix data size.
9783         (Output_data_const::Output_data_const): Adjust call to base class
9784         constructor and fix data size.
9785         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9786         base class constructor and fix data size.
9787         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9788         base class constructor and fix data size.
9789         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9790         class constructor and fix data size.
9791         (Output_data_group::set_final_data_size): New method definition.
9792         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9793         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9794         class constructor and fix data size.
9795         (Output_relaxed_input_section): New class definition.
9796         (Output_section::Simple_input_section): New class definition.
9797         (Output_section::get_input_sections): Adjust parameter list.
9798         (Output_section::add_input_section_for_script): Same.
9799         (Output_section::save_states, Output_section::restore_states,
9800         Output_section::do_address_and_file_offset_have_reset_values,
9801         (Output_section::Input_section::Input_section): Handle
9802         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9803         Output_relaxed_input_section.
9804         (Output_section::Input_section::is_input_section,
9805         Output_section::Input_section::set_output_section): Handle relaxed
9806         input section.
9807         (Output_section::Input_section::is_relaxed_input_section,
9808         Output_section::Input_section::output_section_data,
9809         Output_section::Input_section::relaxed_input_section): New method
9810         definitions.
9811         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9812         value.
9813         (Output_section::Input_section::u1_): Update comments.
9814         (Output_section::Input_section::u2_): Add new union member poris.
9815         (Output_section::Checkpoint_output_section): New classs definition.
9816         (Output_section::relax_input_section): New method declaration.
9817         (Output_section::checkpoint_): New data member.
9818         (Output_segment): Update comments.
9819         (Output_segment::Output_segment): Un-privatize copy constructor.
9820         (Output_segment::operator=): Un-privatize.
9821         * script-sections.cc (Output_section_element::Input_section_list):
9822         Change element type to Output_section::Simple_input_section.
9823         (Output_section_element_dot_assignment::set_section_addresses):
9824         Register output section data for relaxation clean up.
9825         (Output_data_exression::Output_data_expression): Adjust call to base
9826         constructor to fix data size.
9827         (Output_section_element_data::set_section_addresses): Register
9828         Output_data_expression object for relaxation clean up.
9829         (struct Input_section_info): Replace Relobj pointer and section index
9830         pair with Output_section::Simple_input_section and Convert struct to a
9831         class.
9832         (Input_section_sorter::operator()): Adjust access to
9833         Input_section_info data member to use accessors.
9834         (Output_section_element_input::set_section_addresses): Use layout
9835         parameter.  Adjust code to use Output_section::Simple_input_section
9836         and Input_secction_info classes.  Register filler for relaxation
9837         clean up.
9838         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9839         and section index pair with Output_section::Simple_input_section
9840         class.  Adjust code accordingly.
9841         (Phdrs_element::release_segment): New method definition.
9842         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9843         segment list.
9844         (Script_sections::release_segments): New method definition.
9845         * gold/script-sections.h (Script_sections::release_segments): New
9846         method declaration.
9847         * gold/target.h (Target::may_relax, Target::relax,
9848         Target::do_may_relax, Target::do_relax): New method definitions.
9849
9850 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9851
9852         * arm.cc (has_signed_unsigned_overflow): New function.
9853         (Arm_relocate_functions::abs8): New function.
9854         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9855         (Target_arm::Scan::global): Likewise.
9856         (Target_arm::relocate::relocate): Likewise.
9857         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9858         Likewise.
9859
9860 2009-09-16  Cary Coutant  <ccoutant@google.com>
9861
9862         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9863         * testsuite/Makefile.in: Regenerate.
9864
9865 2009-09-11  Nick Clifton  <nickc@redhat.com>
9866
9867         * po/gold.pot: Updated by the Translation project.
9868
9869 2009-09-08  Cary Coutant  <ccoutant@google.com>
9870
9871         * output.cc (Output_file::open): Add execute permission to empty file.
9872         * testsuite/Makefile.am (permission_test): New test.
9873         * testsuite/Makefile.in: Regenerate.
9874
9875 2009-09-02  Ian Lance Taylor  <iant@google.com>
9876
9877         * output.cc (Output_file::resize): Call map_no_anonymous rather
9878         than map.
9879
9880 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9881
9882         * gold.cc: Include "incremental.h".
9883         (queue_initial_tasks): Call Incremental_checker methods.
9884         * incremental.cc: Include "output.h".
9885         (Incremental_checker::can_incrementally_link_output_file): New
9886         method.
9887         * incremental.h (Incremental_checker): New class.
9888
9889         * output.cc (Output_file::open_for_modification): New method.
9890         (Output_file::map_anonymous): Changed return type to bool.  Record
9891         map in base_ field.
9892         (Output_file::map_no_anonymous): New method, broken out of map.
9893         (Output_file::map): Use map_no_anonymous and map_anonymous.
9894         * output.h (class Output_file): Update declarations.
9895
9896 2009-08-24  Cary Coutant  <ccoutant@google.com>
9897
9898         * options.h (Command_line::Pre_options): New class.
9899         (Command_line::pre_options): New member.
9900         * options.cc (gold::options::ready_to_register): New variable.
9901         (One_option::register_option): Do nothing if not registering options.
9902         Assert if same short option registered twice.
9903         (General_options::General_options): Turn off option registration when
9904         done constructing.
9905         (Command_line::Pre_options::Pre_options): New constructor.
9906
9907 2009-08-24  Cary Coutant  <ccoutant@google.com>
9908
9909         * options.h (General_options::no_keep_memory): Remove incorrect
9910         short option.
9911
9912 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9913
9914         * Makefile.am (am__skiplex, am__skipyacc): New.
9915         * Makefile.in: Regenerate.
9916
9917 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9918
9919         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9920         (INCLUDES): ... this.
9921         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9922         (AM_CPPFLAGS): Renamed from ...
9923         (INCLUDE): ... this.
9924         * Makefile.in, testsuite/Makefile.in: Regenerate.
9925
9926         * Makefile.in: Regenerate.
9927         * aclocal.m4: Likewise.
9928         * config.in: Likewise.
9929         * configure: Likewise.
9930         * testsuite/Makefile.in: Likewise.
9931
9932         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9933         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9934         * Makefile.in: Regenerate.
9935         * testsuite/Makefile.in: Regenerate.
9936
9937 2009-08-19  Cary Coutant  <ccoutant@google.com>
9938
9939         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9940         symbols in shared libraries overridden by hidden or internal symbols
9941         in the main program.
9942
9943 2009-08-19  Chris Demetriou  <cgd@google.com>
9944
9945         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9946         checking source file names in error messages.
9947
9948 2009-08-18  Doug Kwan  <dougkwan@google.com>
9949
9950         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9951         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9952         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9953         an elfcpp::Ehdr as parameter.
9954         * object.cc (Object::set_target): Remove the version that looks up
9955         a target and sets it.
9956         (Sized_relobj::setup): Take a Target object instead of
9957         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9958         (make_elf_sized_object): Find target and ask target to
9959         make an ELF object.
9960         * object.h: (Object::set_target): Remove the version that looks up
9961         a target and sets it.
9962         (Sized_relobj::setup): Take a Target object instead of
9963         an elfcpp:Ehdr as parameter.
9964         * target.cc: Include dynobj.h.
9965         (Target::do_make_elf_object_implementation): New.
9966         (Target::do_make_elf_object): New.
9967         * target.h (Target::make_elf_object): New template declaration.
9968         (Target::do_make_elf_object): New method declarations.
9969         (Target::do_make_elf_object_implementation): New template declaration.
9970
9971 2009-08-14  Ian Lance Taylor  <iant@google.com>
9972
9973         * gold.h (FUNCTION_NAME): Define.
9974         (gold_unreachable): Use FUNCTION_NAME.
9975
9976 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9977
9978         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9979         symbol in the --keep-unique list is not found.
9980
9981 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9982
9983         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9984         been maked as --keep-unique.
9985         (Icf::unfold_section): New function.
9986         * icf.h (Icf::unfold_section): New function.
9987         * options.h (General_options::keep_unique): New option.
9988         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9989         * testsuite/Makefile.in: Regenerate.
9990         * testsuite/icf_keep_unique_test.sh: New file.
9991         * testsuite/icf_keep_unique_test.cc: New file.
9992
9993 2009-08-12  Cary Coutant  <ccoutant@google.com>
9994
9995         PR 10471
9996         * resolve.cc (Symbol_table::resolve): Check for references from
9997         dynamic objects to hidden and internal symbols.
9998         * testsuite/Makefile.am (hidden_test.sh): New test.
9999         * testsuite/Makefile.in: Regenerate.
10000         * testsuite/hidden_test.sh: New script.
10001         * testsuite/hidden_test_1.c: New test source.
10002         * testsuite/hidden_test_main.c: New test source.
10003
10004 2009-08-11  Doug Kwan  <dougkwan@google.com>
10005
10006         * arm.cc: Update comments.
10007         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10008         segment to locate the .ARM.exidx section if present.
10009
10010 2009-08-09  Doug Kwan  <dougkwan@google.com>
10011
10012         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10013         patch.
10014
10015 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10016         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10017         compiler warnings.
10018
10019 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10020
10021         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10022         valid tls_segment only for non-debug-section relocations.
10023         * testsuite/Makefile.am: Add gc_tls_test.
10024         * testsuite/Makefile.in: Regenerate.
10025         * testsuite/gc_tls_test.cc: New file.
10026         * testsuite/gc_tls_test.sh: New file.
10027
10028 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10029
10030         * icf.cc: New file.
10031         * icf.h: New file.
10032         * Makefile.am (CCFILES): Add icf.cc.
10033         (HFILES): Add icf.h
10034         * Makefile.in: Regenerate.
10035         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10036         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10037         section, symbol and addend information for the relocs.
10038         * gold.cc (queue_middle_tasks): Call identical code folding.
10039         * gold.h: Add defines for multimap.
10040         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10041         to the call of finalize_local_symbols.
10042         * main.cc (main): Create object of class Icf.
10043         * object.cc (Sized_relobj::do_layout): Allow this function to be
10044         called twice during icf.
10045         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10046         to sections marked as identical by icf.
10047         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10048         when available.
10049         (Sized_relobj::do_section_entsize): New function.
10050         * object.h (Object::section_entsize): New function.
10051         (Object::do_section_entsize): New pure virtual function.
10052         (Relobj::finalize_local_symbols): Add new parameter.
10053         (Relobj::do_section_entsize): New function.
10054         * options.h (General_options::icf): New option.
10055         (General_options::icf_iterations): New option.
10056         (General_options::print_icf_sections): New option.
10057         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10058         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10059         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10060         icf.
10061         * symtab.cc (Symbol_table::is_section_folded): New function.
10062         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10063         to sections marked as identical by icf.
10064         * symtab.h (Symbol_table::set_icf): New function.
10065         (Symbol_table::icf): New function.
10066         (Symbol_table::is_section_folded): New function.
10067         (Symbol_table::icf_): New data member.
10068         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10069         * testsuite/Makefile.am: Add commands to build icf_test.
10070         * testsuite/Makefile.in: Regenerate.
10071         * testsuite/icf_test.sh: New file.
10072         * testsuite/icf_test.cc: New file.
10073
10074 2009-07-24  Chris Demetriou  <cgd@google.com>
10075
10076         * layout.cc (is_compressible_debug_section): Fix incorrect
10077         comment about compressed section names.
10078
10079 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10080
10081         PR 10419
10082         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10083
10084 2009-07-16  Ian Lance Taylor  <iant@google.com>
10085
10086         PR 10400
10087         * layout.h: #include <map>.
10088         (class Kept_section): Change from struct to class.  Add accessors
10089         and setters.  Add section size to Comdat_group mapping.  Change
10090         Comdat_group to std::map.  Add is_comdat_ field.  Add
10091         linkonce_size field in union.
10092         (class Layout): Update declaration of find_or_add_kept_section.
10093         Don't declare find_kept_object.
10094         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10095         parameter.  Add object, shndx, is_comdat, and is_group_name
10096         parameters.  Change all callers.  Adjust for new Kept_section.
10097         (Layout::find_kept_object): Remove.
10098         * object.cc (Sized_relobj::include_section_group): Update use of
10099         Kept_section.  Rename secnum to shndx.  Only record
10100         Kept_comdat_section if sections are the same size.
10101         (Sized_relobj::include_linkonce_section): Update use of
10102         Kept_section.  Only record Kept_comdat_section if sections are the
10103         same size.  Set size of linkonce section.
10104         (Sized_relobj::map_to_kept_section): Update call to
10105         get_kept_comdat_section.
10106         * object.h (class Sized_relobj): Rename fields in
10107         Kept_comdat_section to drop trailing underscores; change object
10108         field to Relobj*.  Change Kept_comdat_section_table to store
10109         struct rather than pointer.
10110         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10111         Add kept_object and kept_shndx parameters.  Change all callers.
10112         (Sized_relobj::get_kept_comdat_section): Change return type to
10113         bool.  Add kept_object and kept_shndx parameters.  Change all
10114         callers.
10115         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10116         Layout::find_or_add_kept_section.
10117
10118 2009-07-09  Ian Lance Taylor  <iant@google.com>
10119
10120         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10121         Reserve space in the hash table.
10122
10123 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10124
10125         * fileread.cc (File_read::get_mtime): New method.
10126         * fileread.h (Timespec): New structure.
10127         (File_read::get_mtime): New method.
10128         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10129         Renamed from timestamp_nsec.
10130         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10131         Elf_Xword.
10132         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10133         timestamp_nsec.
10134         (Incremental_inputs::report_archive): Save mtime; style fix.
10135         (Incremental_inputs::report_obejct): Save mtime; style fix.
10136         (Incremental_inputs::report_script): Save mtime; style fix.
10137         (Incremental_inputs::finalize_inputs): Style fix.
10138         (Incremental_inputs::finalize): Style fix.
10139         (Incremental_inputs::create_input_section_data): Store inputs
10140         mtime.
10141         * incremental.h (Incremental_inputs::report_script): Add mtime
10142         argument.
10143         (Incremental_inputs::Input_info::Input_info): Intialize only one
10144         union member.
10145         (Incremental_inputs::Input_info::archive): Move to nameless
10146         union.
10147         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10148         (Incremental_inputs::Input_info::script): Move to nameless union.
10149         (Incremental_inputs::mtime): New field.
10150         * script.cc (read_input_script): Pass file mtime to
10151         Incremental_input.
10152         * script.h (Script_info::inputs): Style fix.
10153
10154 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10155
10156         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10157         instead of 32.
10158
10159 2009-06-24  Ian Lance Taylor  <iant@google.com>
10160
10161         PR 10156
10162         * layout.cc (Layout::choose_output_section): If we find an
10163         existing section, update the flags.
10164         (Layout::create_notes): New function, broken out of
10165         Layout::finalize.
10166         (Layout::finalize): Don't create note sections.
10167         (Layout::create_note): Don't crash if linker script discards
10168         section.
10169         (Layout::create_gold_note): Likewise.
10170         (Layout::create_build_id): Likewise.  Don't set
10171         after_input_sections on the section.
10172         (Layout::create_executable_stack_info): Remove target parameter.
10173         Change caller.
10174         * layout.h (class Layout): Declare create_notes.  Update
10175         declaration of create_executable_stack_info.
10176         * gold.cc (queue_middle_tasks): Call create_notes.
10177         * output.cc (Output_section::update_flags_for_input_section): Move
10178         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10179         invalid.
10180         * output.h (Output_data::mark_address_invalid): New function.
10181         (class Output_section): Only declare, not define,
10182         update_flags_for_input_section.  Remove set_flags.
10183
10184 2009-06-24  Ian Lance Taylor  <iant@google.com>
10185
10186         * script-sections.cc (Output_section_definition::
10187         set_section_addresses): Rename shadowing local load_address to
10188         laddr.
10189
10190 2009-06-24  Ian Lance Taylor  <iant@google.com>
10191
10192         PR 10244
10193         * reloc.cc (relocate_sections): Skip empty relocation sections.
10194
10195 2009-06-23  Ian Lance Taylor  <iant@google.com>
10196
10197         PR 10156
10198         * layout.cc (Layout::create_note): Use choose_output_section
10199         rather than make_output_section.
10200
10201 2009-06-23  Ian Lance Taylor  <iant@google.com>
10202
10203         PR 10237
10204         * options.cc (General_options::parse_V): Set printed_version_.
10205         (General_options::General_options): Initialize printed_version_.
10206         * options.h (class General_options): Add printed_version_ field.
10207         * gold.cc (queue_initial_tasks): If there are no input files,
10208         don't give a fatal error if we printed the version information.
10209         (queue_middle_tasks): If using -r with a shared object, give a
10210         fatal error rather than an ordinary error.
10211
10212 2009-06-23  Ian Lance Taylor  <iant@google.com>
10213
10214         PR 10219
10215         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10216         (Layout::make_output_section): Set have_stabstr_section_ if we see
10217         a .stab*str section.
10218         (Layout::finalize): Call link_stabs_sections.
10219         (Layout::link_stabs_sections): New file.
10220         * layout.h (class Layout): Add have_stabstr_section_ field.
10221         Declare link_stabs_sections.
10222
10223 2009-06-23  Doug Kwan  <dougkwan@google.com>
10224
10225         * Makefile.am (libgold_a_LIBADD): New.
10226         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10227         * Makefile.in: Regenerate.
10228         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10229         * configure: Regenerate.
10230         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10231         * fileread.cc: Include sys/state.h
10232         * gold.h: Declare memmem and strndup if found missing.
10233         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10234
10235 2009-06-23  Ian Lance Taylor  <iant@google.com>
10236
10237         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10238         * configure: Rebuild.
10239
10240 2009-06-23  Ian Lance Taylor  <iant@google.com>
10241
10242         PR 10147
10243         * object.cc (Object::section_contents): Don't try to get a view if
10244         the section has length zero.
10245         (Object::handle_gnu_warning_section): If the section is empty, use
10246         the name of the section as the warning.
10247
10248 2009-06-23  Ian Lance Taylor  <iant@google.com>
10249
10250         PR 10133
10251         * stringpool.h (class Stringpool_template): Add optimize_ field.
10252         (Stringpool_template::set_optimize): New function.
10253         * stringpool.cc (Stringpool_template::Stringpool_template):
10254         Initialize optimize_ field.
10255         (Stringpool_template::set_string_offsets): Test local optimize
10256         fild rather than parameter.
10257         * layout.cc (Layout::Layout): Call set_optimize on the section
10258         name stringpool.
10259
10260 2009-06-22  Ian Lance Taylor  <iant@google.com>
10261
10262         PR 10030
10263         * yyscript.y: Parse TARGET.
10264         * script.cc (script_set_target): New function.
10265         * script-c.h (script_set_target): Declare.
10266         * options.cc (General_options::string_to_object_format): Rename
10267         from string_to_object_format in anonymous namespace.  Change
10268         callers.
10269         * options.h (class General_options): Declare
10270         string_to_object_format.
10271
10272 2009-06-22  Ian Lance Taylor  <iant@google.com>
10273
10274         * script-sections.cc (Script_sections::create_segments): Don't put
10275         program headers in a PT_LOAD segment if -n or -N.
10276
10277 2009-06-22  Ian Lance Taylor  <iant@google.com>
10278
10279         PR 10141
10280         * options.h (class General_options): Add -z lazy and -z now.  Sort
10281         -z options into alphabetical order.
10282         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10283
10284 2009-06-21  Ian Lance Taylor  <iant@google.com>
10285
10286         * layout.cc (Layout::make_output_section): Call
10287         Target::new_output_section.
10288         (Layout::attach_allocated_section_to_segment): Put large section
10289         sections in a separate load segment with the large segment flag
10290         set.
10291         (Layout::segment_precedes): Sort large data segments after other
10292         load segments.
10293         (align_file_offset): New static function.
10294         (Layout::set_segment_offsets): Use align_file_offset.
10295         * output.h (class Output_section): Add is_small_section_ and
10296         is_large_section_ fields.
10297         (Output_section::is_small_section): New function.
10298         (Output_section::set_is_small_section):  New function.
10299         (Output_section::is_large_section): New function.
10300         (Output_section::set_is_large_section): New function.
10301         (Output_section::is_large_data_section): New function.
10302         (class Output_segment): Add is_large_data_segment_ field.
10303         (Output_segment::is_large_data_segment): New function.
10304         (Output_segment::set_is_large_data_segment): New function.
10305         * output.cc (Output_section::Output_section): Initialize new
10306         fields.
10307         (Output_segment::Output_segment): Likewise.
10308         (Output_segment::add_output_section): Add assertion that large
10309         data sections always go in large data segments.  Force small data
10310         sections to the end of the list of data sections.  Force small BSS
10311         sections to the start of the list of BSS sections.  For large BSS
10312         sections to the end of the list of BSS sections.
10313         * symtab.h (class Symbol): Declare is_common_shndx.
10314         (Symbol::is_defined): Check Symbol::is_common_shndx.
10315         (Symbol::is_common): Likewise.
10316         (class Symbol_table): Define enum Commons_section_type.  Update
10317         declarations.  Add small_commons_ and large_commons_ fields.
10318         * symtab.cc (Symbol::is_common_shndx): New function.
10319         (Symbol_table::Symbol_table): Initialize new fields.
10320         (Symbol_table::add_from_object): Put small and large common
10321         symbols in the right list.
10322         (Symbol_table::sized_finalized_symbol): Check
10323         Symbol::is_common_shndx.
10324         (Symbol_table::sized_write_globals): Likewise.
10325         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10326         common symbol lists.  Don't call do_allocate_commons_list if the
10327         list is empty.
10328         (Symbol_table::do_allocate_commons_list): Remove is_tls
10329         parameter.  Add comons_section_type parameter.  Change all
10330         callers.  Handle small and large common symbols.
10331         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10332         Symbol::is_common_shndx.
10333         * resolve.cc (symbol_to_bits): Likewise.
10334         * target.h (Target::small_common_shndx): New function.
10335         (Target::small_common_section_flags): New function.
10336         (Target::large_common_shndx): New function.
10337         (Target::large_common_section_flags): New function.
10338         (Target::new_output_section): New function.
10339         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10340         small_common_section_flags, and large_common_section_flags
10341         fields.
10342         (Target::do_new_output_section): New virtual function.
10343         * arm.cc (Target_arm::arm_info): Initialize new fields.
10344         * i386.cc (Target_i386::i386_info): Likewise.
10345         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10346         Likewise.
10347         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10348         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10349         (Target_x86_64::do_new_output_section): New function.
10350         * configure.ac: Define conditional MCMODEL_MEDIUM.
10351         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10352         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10353         (large_LDFLAGS): Define.
10354         * testsuite/large.c: New file.
10355         * testsuite/testfile.cc (Target_test::test_target_info):
10356         Initialize new fields.
10357         * configure, testsuite/Makefile.in: Rebuild.
10358
10359 2009-06-05  Doug Kwan  <dougkwan@google.com>
10360
10361         * Makefile.am (CCFILES): Add target.cc.
10362         * Makefile.in: Regenerate.
10363         * i386.cc (class Target_i386): Define new virtual method to
10364         override do_is_local_label_name in parent.
10365         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10366         local symbols if --discard-locals or -X is given.
10367         * options.h (class General_options): Declare new options
10368         '--discard-locals' and '-X' for discarding locals.
10369         * target.h (class Target): Define new methods is_local_label_name.
10370         Declare new virtual method do_is_local_label_name.
10371         * target.cc: New file.
10372         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10373         (check_SCRIPTS): Add discard_locals_test.sh.
10374         (check_DATA): Add discard_local_tests.syms.
10375         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10376         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10377         * testsuite/Makefile.in: Regenerate.
10378         * testsuite/discard_locals_test.c: New file.
10379         * testsuite/discard_locals_test.sh: Same.
10380
10381 2009-06-05  Doug Kwan  <dougkwan@google.com>
10382
10383         * object.cc (Sized_relobj::Sized_relobj): Initialize
10384         discarded_eh_frame_shndx_ to -1U.
10385         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10386         section.
10387         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10388         a discarded .eh_frame section.
10389         (Sized_relobj::do_finalize_local_symbols): Ditto.
10390         * object.h (class Sized_relobj): Declare new member
10391         discarded_eh_frame_shndx_.
10392         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10393         (local_labels_test.o, local_labels_test): New rules.
10394         * testsuite/Makefile.in: Regenerate.
10395
10396 2009-06-04  Doug Kwan  <dougkwan@google.com>
10397
10398         * layout.cc (Layout::section_name_mapping): Add mapping for
10399         special ARM sections.
10400
10401 2009-06-03  Doug Kwan  <dougkwan@google.com>
10402
10403         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10404         (utils::has_overflow): Same.
10405
10406 2009-06-03  Ian Lance Taylor  <iant@google.com>
10407
10408         * layout.cc (Layout::section_name_mapping): New array, replacing
10409         Layout::linkonce_mapping.
10410         (Layout::section_name_mapping_count): New variable, replacing
10411         Layout::linkonce_mapping_count.
10412         (Layout::linkonce_output_name): Remove.
10413         (Layout::output_section_name): Rewrite.
10414         * layout.h (class Layout): Rename Linkonce_mapping to
10415         Section_name_mapping, linkonce_mapping to section_name_mapping,
10416         linkonce_mapping_count to section_name_mapping_count.  Don't
10417         declare linkonce_output_name.
10418
10419 2009-06-03  Doug Kwan  <dougkwan@google.com>
10420
10421         * gold/arm.cc (namespace utils): New.
10422         (Target_arm::reloc_is_non_pic): Define new method.
10423         (class Arm_relocate_functions): New.
10424         (Target_arm::Relocate::relocate): Handle relocation types used by
10425         Android.
10426
10427 2009-06-03  Ian Lance Taylor  <iant@google.com>
10428
10429         * arm.cc (Target_arm::scan::global): Use || instead of |.
10430
10431 2009-06-02  Doug Kwan  <dougkwan@google.com>
10432
10433         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10434         issued_non_pic_error_.
10435         (class Target_arm::Scan): Declare new method check_non_pic.
10436         Define new method symbol_needs_plt_entry.
10437         Declare new data member issued_non_pic_error_.
10438         (class Target_arm::Relocate): Declare new method
10439         should_apply_static_reloc.
10440         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10441         (Target_arm::Scan::check_non_pic): Define new method.
10442         (Target_arm::Scan::local): Handle a small subset of reloc types used
10443         by Android.
10444         (Target_arm::Scan::local): Same.
10445         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10446
10447 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10448
10449         * incremental.cc (Incremental_inputs::report_command_line): Filter
10450         out --incremental-* options.
10451
10452 2009-05-29  Doug Kwan  <dougkwan@google.com>
10453
10454         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10455         template class.
10456         (class Target_arm): Update comment.
10457         (Target_arm::Target_arm): Initialize new data members GOT_,
10458         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10459         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10460         and Target_arm::rel_dyn_section.
10461         Declare new_enum Target_arm::Got_type.
10462         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10463         and DYNBSS_.
10464         Update commments for member do_dynsym_value.
10465         (Target_arm::got_size, Target_arm::plt_section,
10466         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10467         new methods inside class defintion.
10468         (Target_arm::got_section): Define new method.
10469         (Target_arm::rel_dyn_section): Same.
10470         (Output_data_plt_arm): New template class.
10471         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10472         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10473         (Output_data_plt_arm::add_entry): Same.
10474         (Output_data_plt_arm::first_plt_entry): Define new
10475         static data member for PLT instruction template.
10476         (Output_data_plt_arm::plt_entry): Same.
10477         (Output_data_plt_arm::do_write): Define new method.
10478         (Target_arm::make_plt_entry): Same.
10479         (Target_arm::do_finalize_sections): Same.
10480         (Target_arm::do_dynsym_value): Same.
10481
10482 2009-05-28  Doug Kwan  <dougkwan@google.com>
10483
10484         * Makefile.am (TARGETSOURCES): Add arm.cc.
10485         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10486         * Makefile.in: Regenerate.
10487         * arm.cc: New file.
10488         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10489
10490 2009-05-26  Doug Kwan  <dougkwan@google.com>
10491
10492         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10493         (General_options::check_excluded_libs): Strip off directories in
10494         archive name before matching like GNU ld does.
10495         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10496         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10497         (exclude_libs_test_LDFLAGS): Add linker option
10498         -Wl,--exclude-libs,libexclude_libs_test_3
10499         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10500         an explicit archive without using -l.
10501         (alt/libexclude_libs_test_3.a): New make rule.
10502         * testsuite/Makefile.in: Regenerate.
10503         * testsuite/exclude_libs_test.c : Declare lib3_default().
10504         (main): Call it.
10505         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10506         * exclude_libs_test_3.c: New file.
10507
10508 2009-05-26  Nick Clifton  <nickc@redhat.com>
10509
10510         * po/id.po: New Indonesian translation.
10511         * po/gold.pot: Updated template file.
10512
10513 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10514
10515         * testsuite/Makefile.am: Add -ffunction-sections to compile
10516         gc_comdat_test files.  Add -Wl,--gc-sections to build
10517         gc_comdat_test.
10518         * testsuite/Makefile.in: Regenerate.
10519         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10520
10521 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10522
10523         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10524         kept comdat section was garbage collected.
10525         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10526         * testsuite/Makefile.in: Regenerate.
10527         * testsuite/gc_comdat_test.sh: New file.
10528         * testsuite/gc_comdat_test_1.cc: New file.
10529         * testsuite/gc_comdat_test_2.cc: New file.
10530
10531 2009-05-19  Doug Kwan  <dougkwan@google.com>
10532
10533         * archive.cc (Archive::Archive): Move constructor from archive.h
10534         to here.  Initialize no_export_.
10535         (Archive::get_elf_object_for_member): Set no_export flag of object.
10536         * archive.h (Archive::Archive): Move constructor body to
10537         archive.cc.
10538         (Archive::no_export): New method.
10539         (Archive::no_export_): New field.
10540         * object.h (Object::Object): Initialize no_export_ to false.
10541         (Object::no_export, Object::set_no_export): New methods.
10542         (Object::no_export_): New field.
10543         * options.cc (General_options::parse_exclude_libs): New method.
10544         (General_options::check_excluded_libs) Same.
10545         * options.h (exclude_libs): New option.
10546         (General_options::check_excluded_libs): New method declaration.
10547         (General_options::excluded_libs_): New field.
10548         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10549         default or protected visibility if an object has no-export flag set.
10550         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10551         (check_SCRIPTS): Add exclude_libs_test.sh.
10552         (check_DATA): Add exclude_libs_test.syms.
10553         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10554         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10555         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10556         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10557         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10558         libexclude_libs_test_2.a): New rules.
10559         * testsuite/Makefile.in: Regenerate.
10560         * testsuite/exclude_libs_test.c: New file.
10561         * testsuite/exclude_libs_test.sh: Ditto.
10562         * testsuite/exclude_libs_test_1.c: Ditto.
10563         * testsuite/exclude_libs_test_2.c: Ditto.
10564
10565 2009-05-15  Ian Lance Taylor  <iant@google.com>
10566
10567         * configure.ac: Check for declarations for cases where libiberty.h
10568         checks HAVE_DECL_xxx.
10569         * configure, config.in: Rebuild.
10570
10571 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10572
10573         * gold.h (Incremental_argument_list): Remove (invalid) forward
10574         declaration.
10575         * incremental.cc (Incremental_inputs::report_achive): New method.
10576         (Incremental_inputs::report_object): New method.
10577         (Incremental_inputs::report_script): New method.
10578         (Incremental_inputs::finalize_inputs): New method.
10579         (Incremental_inputs::finalize): Call finalize_inputs().
10580         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10581         Create inputs entries.
10582         * incremental.h (Incremental_input_type): New enum.
10583         (Incremental_inputs::Incremental_input): Initialize new fields.
10584         (Incremental_inputs::report_inputs): New method.
10585         (Incremental_inputs::report_achive): New method.
10586         (Incremental_inputs::report_object): New method.
10587         (Incremental_inputs::report_script): New method.
10588         (Incremental_inputs::finalize_inputs): New method.
10589         (Incremental_inputs::Input_info): New struct.
10590         (Incremental_inputs::Input_info_map): New typedef.
10591         (Incremental_inputs::lock_): New field.
10592         (Incremental_inputs::Inputs_): New field.
10593         (Incremental_inputs::Inputs_map): New field.
10594         * main.cc (main): Call Incremental_input::report_inputs.
10595         * options.h (Input_argument_list): Typedef moved from
10596         Input_arguments.
10597         (Input_file_group::Files): Remove, use ::Input_argument_list.
10598         (Input_file_group::Input_argument_list): Remove, use
10599         ::Input_argument_list.
10600         * plugin.cc (Plugin_manager::add_input_file): Add error in
10601         incremental build.
10602         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10603         functions.
10604         * script.cc (read_input_script): Call
10605         Incremental_input::report_script.
10606         * script.h (Script_info): New class.
10607
10608 2009-04-27  Ian Lance Taylor  <iant@google.com>
10609
10610         * x86_64.cc (do_adjust_output_section): Set entsize to
10611         plt_entry_size.
10612
10613 2009-04-23  Elliott Hughes  <enh@google.com>
10614
10615         * output.cc (Output_file::close): After short writes, continue
10616         writing from the correct offset in the buffer being written.
10617
10618 2009-04-23  Chris Demetriou  <cgd@google.com>
10619
10620         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10621         * configure: Regenerate.
10622         * config.in: Regenerate.
10623         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10624         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10625
10626 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10627
10628         * incremental.cc (Incremental_inputs_header_data): Renamed from
10629         Incremental_input_header_data.
10630         (Incremental_inputs_header_data::data_size): New field.
10631         (Incremental_inputs_header_data::put_input_file_count): Renamed
10632         from input_file_count.
10633         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10634         from command_line_offset.
10635         (Incremental_inputs_header_data::put_reserved): Renamed from
10636         put_reserved.
10637         (Incremental_inputs_entry_data): Renamed from
10638         Incremental_input_entry_data.
10639         (Incremental_inputs_entry_data::data_size): New field.
10640         (Incremental_inputs::report_command_line): New method.
10641         (Incremental_inputs::finalize): New method.
10642         (Incremental_inputs::create_incremental_inputs_data): New method.
10643         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10644         * incremental.h: New file.
10645         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10646         (Layout::finalize): Create incremental inputs section in
10647         incremental builds.
10648         (Layout::create_incremental_info_sections): New method.
10649         * layout.h (Layout::incremental_inputs): New method.
10650         (Layout::create_incremental_info_sections): New method.
10651         (Layout::incremental_inputs_): New field.
10652         * main.cc (main): Notify Incremental_input of the command line.
10653
10654 2009-04-01  Ian Lance Taylor  <iant@google.com>
10655             Mikolaj Zalewski  <mikolajz@google.com>
10656
10657         * gold.h (reserve_unordered_map): Define, three versions, one for
10658         each version of Unordered_map.
10659         * layout.cc (Layout::Layout): Remove options parameter.  Add
10660         number_of_input_files parameter.  Don't initialize options_.
10661         Initialize number_of_input_files_ and resized_signatures_.  Move
10662         sections_are_attached_.
10663         (Layout::layout_group): Reserve space for group_signatures_.
10664         (Layout::find_or_add_kept_section): Change name parameter to be a
10665         reference.  Resize signatures_ map when it gets large enough.
10666         (Layout::layout_eh_frame): Use parameters->options() instead of
10667         this->options_.
10668         (Layout::make_output_section): Likewise.
10669         (Layout::attach_allocated_section_to_segment): Likewise.
10670         (Layout::finalize, Layout::create_executable_stack): Likewise.
10671         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10672         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10673         * layout.h (class Layout): Update declarations.  Remove options_
10674         field.  Add number_of_input_files_ and resized_signatures_
10675         fields.  Move sections_are_attached_ field.
10676         * main.cc (main): Pass number of input files to Layout
10677         constructor.  Don't pass options.
10678
10679 2009-03-30  Ian Lance Taylor  <iant@google.com>
10680
10681         * ffsll.c (ffsll): Correct implementation.
10682
10683 2009-03-27  Ian Lance Taylor  <iant@google.com>
10684
10685         * ffsll.c: New file.
10686         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10687         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10688         * ftruncate.c (ftruncate): Declare before definition.
10689         * mremap.c (mremap): Likewise.
10690         * pread.c (pread): Likewise.
10691         * configure, Makefile.in, config.in: Rebuild.
10692
10693         * mremap.c: New file.
10694         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10695         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10696         (mremap): Declare if HAVE_MREMAP is not defined.
10697         * configure, Makefile.in, config.in: Rebuild.
10698
10699 2009-03-27  Cary Coutant  <ccoutant@google.com>
10700
10701         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10702         position independent.
10703         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10704         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10705
10706 2009-03-24  Cary Coutant  <ccoutant@google.com>
10707
10708         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10709         an executable.
10710         (needs_dynamic_reloc): Likewise.
10711
10712 2009-03-24  Ian Lance Taylor  <iant@google.com>
10713
10714         * yyscript.y (file_cmd): Recognize EXTERN.
10715         (extern_name_list, extern_name_list_body): New nonterminals.
10716         * script.cc (script_add_extern): Define.
10717         * script-c.h (script_add_extern): Declare.
10718
10719 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10720
10721         * object.cc (is_elf_object): Define.
10722         * object.h (is_elf_object): Declare.
10723         * archive.cc (Archive::get_elf_object_for_member): Call
10724         is_elf_object.
10725         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10726
10727 2009-03-24  Elliott Hughes  <enh@google.com>
10728
10729         * output.cc (Output_file::map_anonymous): Define.
10730         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10731         try an anonymous one.  Report the size if the mmap fails.
10732         * output.h (class Output_file): Declare map_anonymous.
10733
10734 2009-03-24  Ian Lance Taylor  <iant@google.com>
10735
10736         * target-select.cc (instantiate_target): Don't acquire the lock if
10737         the instantiated_target_ field has already been set.
10738
10739 2009-03-23  Ian Lance Taylor  <iant@google.com>
10740
10741         * gold-threads.h (class Initialize_lock): Define.
10742         * gold-threads.cc (class Initialize_lock_once): Define.
10743         (initialize_lock_control): New static variable.
10744         (initialize_lock_pointer): New static variable.
10745         (initialize_lock_once): New static function.
10746         (Initialize_lock::Initialize_lock): Define.
10747         (Initialize_lock::initialize): Define.
10748         * target-select.h: Include "gold-threads.h".
10749         (class Target_selector): Add lock_ and initialize_lock_ fields.
10750         Don't define instantiate_target, just declare it.
10751         * target-select.cc (Target_selector::Target_selector): Initialize
10752         new fields.
10753         (Target_selector::instantiate_target): Define.
10754         * descriptors.h: Include "gold-threads.h".
10755         (class Descriptors): Add initialize_lock_ field.
10756         * descriptors.cc (Descriptors::Descriptors): Initialize new
10757         field.
10758         (Descriptors::open): Use initialize_lock_ field
10759         * errors.h (class Errors): Add initialize_lock_ field.
10760         * errors.cc (Errors::Errors): Initialize new field.
10761         (Errors::initialize_lock): Use initialize_lock_ field.
10762         * powerpc.cc (class Target_selector_powerpc): Remove
10763         instantiated_target_ field.  In do_recognize call
10764         instantiate_target rather than do_instantiate_target.  In
10765         do_instantiate_target just allocate a new target.
10766         * sparc.cc (class Target_selector_sparc): Likewise.
10767
10768         * freebsd.h: New file.
10769         * i386.cc: Include "freebsd.h".
10770         (Target_i386): Derive from Target_freebsd rather than
10771         Sized_target.
10772         (Target_selector_i386): Derive from Target_selector_freebsd rather
10773         than Target_selector.
10774         * x86_64.cc: Include "freebsd.h".
10775         (Target_x86_64): Derive from Target_freebsd rather than
10776         Sized_target.
10777         (Target_selector_x86_64): Derive from Target_selector_freebsd
10778         rather than Target_selector.
10779         * target.h (class Target): Add adjust_elf_header and
10780         do_adjust_elf_header.
10781         * output.cc (Output_file_header:: do_sized_write): Call target
10782         adjust_elf_header routine.
10783         * configure.tgt: Set targ_osabi.
10784         * configure.ac: Define GOLD_DEFAULT_OSABI.
10785         * parameters.cc (Parameters::default_target): Pass
10786         GOLD_DEFAULT_OSABI to select_target.
10787         * target-select.h (class Target_selector): Make instantiate_target
10788         protected rather than private.
10789         * Makefile.am (HFILES): Add freebsd.h.
10790         * configure, Makefile.in, config.in: Rebuild.
10791
10792         * merge.cc (do_add_input_section): Correct pend value.  Change
10793         message about last entry not being null terminated from error to
10794         warning.
10795
10796 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10797
10798         * incremental.cc: New file.
10799         * Makefile.am (CCFILES): Add incremental.cc.
10800         * Makefile.in: Rebuild.
10801
10802 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10803
10804         * layout.cc (Layout::output_section_name): Preserve names
10805         of '.note.' sections.
10806
10807 2009-03-19  Ian Lance Taylor  <iant@google.com>
10808
10809         * descriptors.cc (Descriptors::open): Check that the options are
10810         valid before using them.
10811
10812 2009-03-18  Ian Lance Taylor  <iant@google.com>
10813
10814         * script-sections.h: Include <list>.
10815         (class Script_sections): Change Sections_elements from std::vector
10816         to std::list.  Typedef public Elements_iterator.  Add
10817         orphan_section_placement_, data_segment_align_start_, and
10818         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10819         field.
10820         * script-sections.cc (class Orphan_section_placement): New class.
10821         (class Sections_element): Add virtual functions is_relro and
10822         orphan_section_init.  Remove virtual function place_orphan_here.
10823         (class Output_section_definition): Add is_relro and
10824         orphan_section_init.  Remove place_orphan_here.
10825         (class Orphan_output_section): Likewise.
10826         (Script_sections::Script_sections): Update for field changes.
10827         (Script_sections::data_segment_align): Set saw_data_segment_align_
10828         and data_segment_align_start_, not data_segment_align_index.
10829         (Script_sections::data_segment_relro_end): Check
10830         saw_data_segment_align_.  Use data_segment_align_start_ rather
10831         than data_segment_align_index_.
10832         (Script_sections::place_orphan): Rewrite to use
10833         Orphan_section_placement.
10834
10835 2009-03-17  Ian Lance Taylor  <iant@google.com>
10836
10837         * archive.cc (Archive::add_symbols): Check for a version attached
10838         to the symbol name in the archive map.
10839         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10840         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10841         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10842         (ver_test_11.a): New target.
10843         * testsuite/Makefile.in: Rebuild.
10844
10845         * configure.ac: Check for chsize and posix_fallocate.  Replace
10846         ftruncate.
10847         * ftruncate.c: New file, from gnulib.
10848         * output.cc (posix_fallocate): Define dummy version if not
10849         HAVE_POSIX_FALLOCATE.
10850         (Output_file::map): Call posix_fallocate rather than lseek and
10851         write.
10852         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10853         * configure, Makefile.in, config.in: Rebuild.
10854
10855 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10856
10857         * layout.h (Layout::create_note): Add section_name parameter.
10858         * layout.cc (Layout::create_note): Likewise.
10859         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10860
10861 2009-03-17  Ian Lance Taylor  <iant@google.com>
10862
10863         * descriptors.cc: Include "options.h".
10864         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10865         (Descriptors::open): Always use O_CLOEXEC when opening a new
10866         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10867         then set FD_CLOEXEC.
10868
10869         * sparc.cc (class Target_sparc): Add has_got_section.
10870         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10871         make sure we have a GOT section.
10872
10873         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10874         (Target_sparc::Scan::local): Likewise.
10875         (Target_sparc::Scan::global): Likewise.
10876         (Target_sparc::Relocate::relocate): Likewise.
10877         (Target_sparc::Relocate::relocate_tls): Likewise.
10878
10879         * symtab.cc (Symbol_table::define_default_version): New function,
10880         broken out of add_from_object.
10881         (Symbol_table::add_from_object): Call define_default_version.
10882         (Symbol_table::define_special_symbol): Add resolve_oldsym
10883         parameter.  Change all callers.  If the version for a symbol comes
10884         from a version script, resolve it with the symbol with the same
10885         name with no version.  Also add the symbol without a version if
10886         appropriate.
10887         (do_define_in_output_data): If resolving with oldsym, don't delete
10888         sym.
10889         (do_define_in_output_segment): Likewise.
10890         (do_define_as_constant): Likewise.
10891         * symtab.h (class Symbol_table): Update declarations.
10892
10893 2009-03-13  Ian Lance Taylor  <iant@google.com>
10894
10895         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10896         (Read_symbols::requeue): New function.
10897         (Read_symbols::do_read_symbols): If make_elf_object fails because
10898         the target type is not configured, and the file was searched for,
10899         issue a warning and retry with the next directory.
10900         (Add_symbols::run): If the file has an incompatible format, and
10901         it was searched for, requeue the Read_symbols task.  On error,
10902         release the object.
10903         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10904         dirindex parameter to constructor.  Change all callers.  Declare
10905         incompatible_warning and requeue.
10906         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10907         input_argument_ and input_group_ fields.  Add them to
10908         constructor.  Change all callers.
10909         (class Read_script): Add dirindex_ field.  Add it to constructor.
10910         Change all callers.
10911         * archive.cc (Archive::setup): Remove input_objects parameter.
10912         Change all callers.
10913         (Archive::get_file_and_offset): Likewise.
10914         (Archive::read_all_symbols): Likewise.
10915         (Archive::read_symbols): Likewise.
10916         (Archive::get_elf_object_for_member): Remove input_objects
10917         parameter.  Add punconfigured parameter.  Change all callers.
10918         (Archive::add_symbols): Change return type to bool.  Check return
10919         value of include_member.
10920         (Archive::include_all_members): Likewise.
10921         (Archive::include_member): Change return type to bool.  Return
10922         false if first included object has incompatible target.  Set
10923         included_member_ field.
10924         (Add_archive_symbols::run): If add_symbols returns false, requeue
10925         Read_symbols task.
10926         * archive.h (class Archive): Add included_member_ field.
10927         Initialize it in constructor.  Add input_file and searched_for
10928         methods.  Update declarations.
10929         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10930         input_argument_ fields.  Add them to constructor.  Change all
10931         callers.
10932         * script.cc: Include "target-select.h".
10933         (class Parser_closure): Add skip_on_incompatible_target_ and
10934         found_incompatible_target_ fields.  Add
10935         skip_on_incompatible_target parameter to constructor.  Change all
10936         callers.  Add methods skip_on_incompatible_target,
10937         clear_skip_on_incompatible_target, found_incompatible_target, and
10938         set_found_incompatible_target.
10939         (read_input_script): Add dirindex parameter.  Change all callers.
10940         If parser finds an incompatible target, requeue Read_symbols
10941         task.
10942         (script_set_symbol): Clear skip_on_incompatible_target in
10943         closure.
10944         (script_add_assertion, script_parse_option): Likewise.
10945         (script_start_sections, script_add_phdr): Likewise.
10946         (script_check_output_format): New function.
10947         * script.h (read_input_script): Update declaration.
10948         * script-c.h (script_check_output_format): Declare.
10949         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10950         (ignore_cmd): Remove OUTPUT_FORMAT.
10951         * fileread.cc (Input_file::Input_file): Add explicit this.
10952         (Input_file::will_search_for): New function.
10953         (Input_file::open): Add pindex parameter.  Change all callers.
10954         * fileread.h (class Input_file): Add input_file_argument method.
10955         Declare will_search_for.  Update declarations.
10956         * object.cc (make_elf_object): Add punconfigured parameter.
10957         Change all callers.
10958         * object.h (class Object): Make input_file public.  Add
10959         searched_for method.
10960         (make_elf_object): Update declaration.
10961         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10962         restart search.
10963         * dirsearch.h (class Dirsearch): Update declaration.
10964         * options.h (class General_options): Add --warn-search-mismatch.
10965         * parameters.cc (Parameters::is_compatible_target): New function.
10966         * parameters.h (class Parameters): Declare is_compatible_target.
10967         * workqueue.cc (Workqueue::add_blocker): New function.
10968         * workqueue.h (class Workqueue): Declare add_blocker.
10969
10970         * fileread.cc (Input_file::open): Remove options parameter.
10971         Change all callers.
10972         (Input_file::open_binary): Likewise.
10973         * script.cc (read_input_script): Likewise.
10974         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10975         options parameter from constructor.  Change all callers.
10976         (class Read_script): Likewise.
10977         * fileread.h (class Input_file): Update declarations.
10978         * script.h (read_input_script): Update declaration.
10979
10980 2009-03-10  Nick Clifton  <nickc@redhat.com>
10981
10982         * po/es.po: New Spanish translation.
10983
10984 2009-03-06  Cary Coutant  <ccoutant@google.com>
10985
10986         * options.cc (parse_short_option): Keep dash_z from registering itself.
10987
10988 2009-03-03  Ian Lance Taylor  <iant@google.com>
10989
10990         PR 9918
10991         * target-reloc.h (relocate_section): Pass output_section to
10992         relocate.
10993         * i386.cc (Target_i386::should_apply_static_reloc): Add
10994         output_section parameter.  Change all callers.
10995         (Target_i386::Relocate::relocate): Add output_section parameter.
10996         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10997         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10998         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10999         * testsuite/two_file_shared.sh: New script.
11000         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11001         (check_DATA): Add two_file_shared.dbg.
11002         (two_file_shared.dbg): New target.
11003         * testsuite/Makefile.in: Rebuild.
11004
11005 2009-03-01  Ian Lance Taylor  <iant@google.com>
11006
11007         * configure.ac: Check for byteswap.h.
11008         * configure: Rebuild.
11009         * config.in: Rebuild.
11010
11011 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11012
11013         * layout.cc (Layout::find_or_add_kept_section): New function.
11014         (Layout::add_comdat): Removed.
11015         * layout.h (struct Kept_section): Move out of class Layout.
11016         Remove trailing underscores from field names.  Add group_sections
11017         field.  Rename group_ field to is_group.  Change all uses.
11018         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11019         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11020         comdat_groups_ field.
11021         (Sized_relobj::include_section_group): Use
11022         find_or_add_kept_section and Kept_section::group_sections.
11023         (Sized_relobj::include_linkonce_section): Likewise.
11024         * object.cc (class Sized_relobj): Don't define Comdat_group or
11025         Comdat_group_table.  Remove find_comdat_group and
11026         add_comdat_group.  Remove comdat_groups_ field.
11027         * plugin.cc (include_comdat_group): Use
11028         Layout::find_or_add_kept_section.
11029
11030 2009-02-28  Ian Lance Taylor  <iant@google.com>
11031
11032         * README: --gc-sections and map files are now supported.  Document
11033         some build requirements.
11034
11035         PR 6992
11036         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11037         relocatable link set the value of the section symbol to zero.
11038         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11039         relocatable link don't include the section address in the local
11040         symbol value.
11041
11042 2009-02-27  Ian Lance Taylor  <iant@google.com>
11043
11044         PR 6811
11045         * options.h (class Search_directory): Add is_system_directory.
11046         (class General_options): Declare is_in_system_directory.
11047         * options.cc (get_relative_sysroot): Make static.
11048         (get_default_sysroot): Make static.
11049         (General_optoins::is_in_system_directory): New function.
11050         * fileread.cc (Input_file::is_in_system_directory): New function.
11051         * fileread.h (class Input_file): Declare is_in_system_directory.
11052         * object.h (class Object): Add is_in_system_directory.
11053         (class Input_objects): Remove system_library_directory_ field.
11054         * object.cc (Input_objects::add_object): Don't set
11055         system_library_directory_.
11056         (input_objects::found_in_system_library_directory): Remove.
11057         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11058         parameter.  Change all callers.
11059         (Symbol_table::sized_write_globals): Likewise.
11060         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11061         Call Object::is_in_system_directory.
11062         * symtab.h (class Symbol_table): Update declarations.
11063
11064         PR 5990
11065         * descriptors.h (Open_descriptor): Add is_on_stack field.
11066         * descriptors.cc (Descriptors::open): If the descriptor is on the
11067         top of the stack, remove it.  Initialize is_on_stack field.
11068         (Descriptors::release): Only add pod to stack if it is not on the
11069         stack already.
11070         (Descriptors::close_some_descriptor): Clear stack_next and
11071         is_on_stack fields.
11072
11073         PR 7091
11074         * output.cc (Output_section::find_starting_output_address): Rename
11075         from starting_output_address; add PADDR parameter; change return
11076         type.
11077         * output.h (class Output_section): Declare
11078         find_starting_output_address instead of starting_output_address.
11079         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11080         section symbol for which we can't find a merge section.
11081
11082         PR 9836
11083         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11084         hidden or internal, force the symbol to be local.
11085         * resolve.cc (Symbol::override_visibility): Define.
11086         (Symbol::override_base): Use override_visibility.
11087         (Symbol_table::resolve): Likewise.
11088         (Symbol::override_base_with_special): Likewise.
11089         (Symbol_table::override_with_special): If the visibility is hidden
11090         or internal, force the symbol to be local.
11091         * symtab.h (class Symbol): Add set_visibility and
11092         override_visibility.
11093         * testsuite/ver_test_1.sh: New file.
11094         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11095         (check_DATA): Add ver_test_1.syms.
11096         (ver_test_1.syms): New target.
11097         * testsuite/Makefile.in: Rebuild.
11098
11099 2009-02-25  Cary Coutant  <ccoutant@google.com>
11100
11101         * layout.cc (Layout::choose_output_section): Don't rename sections
11102         when using a linker script that has a SECTIONS clause.
11103         * Makefile.in: Regenerate.
11104
11105         * testsuite/Makefile.am (script_test_5.sh): New test case.
11106         * testsuite/Makefile.in: Regenerate.
11107         * testsuite/script_test_5.cc: New file.
11108         * testsuite/script_test_5.sh: New file.
11109         * testsuite/script_test_5.t: New file.
11110
11111 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11112
11113         * archive.cc (Archive::include_member): Update calls to add_symbols.
11114         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11115         the Layout argument.
11116         * dynobj.h (do_add_symbols): Add the Layout argument.
11117         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11118         Layout argument.
11119         * object.h (Object::add_symbols): Add the Layout argument.
11120         (Object::do_add_symbols): Add the Layout argument.
11121         (Sized_relobj::do_add_symbols): Add the Layout argument.
11122         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11123         Unify the two versions.
11124         (Add_plugin_symbols): Remove.
11125         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11126         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11127         (Add_plugin_symbols): Remove.
11128         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11129         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11130         (Add_symbols::run): Make it work with Pulginobj.
11131
11132 2009-02-06  Ian Lance Taylor  <iant@google.com>
11133
11134         * object.cc (Sized_relobj::do_layout): Make info message start
11135         with lower case letter.
11136
11137 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11138
11139         * binary.cc: Fix file comment.
11140
11141         * options.h (enum Incremental_disposition): Define.
11142         (class General_options): Add new options: --incremental,
11143         --incremental_changed, --incremental_unchanged,
11144         --incremental_unknown.  Add incremental_disposition_ and
11145         implicit_incremental_ fields.
11146         (General_options::incremental_disposition): New function.
11147         (class Position_dependent_options): Add incremental_disposition
11148         option.
11149         (Position_dependent_options::copy_from_options): Set incremental
11150         dispositions.
11151         * options.cc (General_options::parse_incremental_changed): New
11152         function.
11153         (General_options::parse_incremental_unchanged): New function.
11154         (General_options::parse_incremental_unknown): New function.
11155         (General_options::General_options): Initialize new fields
11156         incremental_disposition_ and implicit_incremental_.
11157         (General_options::finalize): Check for uasge of --incremental-*
11158         without --incremental.
11159
11160 2009-02-06  Chris Demetriou  <cgd@google.com>
11161
11162         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11163         pointer and to report location as the file name associated with
11164         the symbol.
11165         (gold_undefined_symbol_at_location): New function to replace the
11166         old gold_undefined_symbol functionality.
11167         * target-reloc.h (relocate_section): Update to use
11168         gold_undefined_symbol_at_location.
11169         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11170         Call gold_undefined_symbol function rather than gold_error.
11171         * errors.h (Errors::undefined_symbol): Take location as a
11172         string, rather than calculating it from a relocation.
11173         * errors.cc (Errors::fatal): Print "fatal error:" before the
11174         formatted message.
11175         (Errors::error, Errors::error_at_location): Print "error: "
11176         before the formatted message.
11177         (Errors::undefined_symbol): Take location as a string, rather
11178         than calculating it from a relocation.
11179         (gold_undefined_symbol_at_location): New function akin to
11180         old gold_undefined_symbol, calculates location from relocation.
11181         (gold_undefined_symbol): Change to take only a Symbol pointer
11182         and to report location as the file name associated with the symbol.
11183         * testsuite/debug_msg.sh: Update for changed error messages.
11184         * testsuite/undef_symbol.sh: Likewise.
11185
11186 2009-02-04  Duncan Sands  <baldrick@free.fr>
11187
11188         PR 9812
11189         * reduced_debug_output.h
11190         (Output_reduced_debug_abbrev_section::failed): Use format for
11191         gold_warning.
11192         (Output_reduced_debug_info_section::faild): Likewise.
11193
11194 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11195
11196         * script.cc (Lazy_demangler): New class.
11197         (Version_script_info::get_symbol_version_helper): Demangle a
11198         symbol only once.
11199
11200 2009-01-29  Cary Coutant  <ccoutant@google.com>
11201
11202         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11203         to __tls_get_addr.
11204         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11205
11206 2009-01-28  Ian Lance Taylor  <iant@google.com>
11207
11208         * version.cc (version_string): Bump to 1.9.
11209
11210         * gold.h: Include <cstring> and <stdint.h>.
11211         * version.cc: Include <cstdio>.
11212         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11213         warning.
11214         * reduced_debug_output.cc (insert_into_vector): Rename from
11215         Insert_into_vector; change all callers.  Use Swap_unaligned to
11216         avoid aliasing issue; remove union since it is unnecessary.
11217
11218 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11219
11220         * Makefile.am (CCFILES): Add gc.cc.
11221         (HFILES): Add gc.h.
11222         * Makefile.in: Regenerate.
11223         * gold.cc (Gc_runner): New class.
11224         (queue_initial_tasks): Call garbage collection related tasks
11225         when corresponding options are invoked.
11226         (queue_middle_gc_tasks): New function.
11227         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11228         processed early before laying out sections during garbage collection.
11229         * gold.h (queue_middle_gc_tasks): New function.
11230         (is_prefix_of): Move from "layout.cc".
11231         * i386.cc (Target_i386::gc_process_relocs): New function.
11232         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11233         * main.cc (main): Create object of class "Garbage_collection".
11234         * object.cc (Relobj::copy_symbols_data): New function.
11235         (Relobj::is_section_name_included): New function.
11236         (Sized_relobj::do_layout): Allow this function to be called twice
11237         during garbage collection and defer layout of section during the
11238         first call.
11239         * object.h (Relobj::get_symbols_data): New function.
11240         (Relobj::is_section_name_included): New function.
11241         (Relobj::copy_symbols_data): New function.
11242         (Relobj::set_symbols_data): New function.
11243         (Relobj::get_relocs_data): New function.
11244         (Relobj::set_relocs_data): New function.
11245         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11246         (Relobj::gc_process_relocs): New function.
11247         (Relobj::do_gc_process_relocs): New pure virtual function.
11248         (Relobj::sd_): New data member.
11249         (Sized_relobj::is_output_section_offset_invalid): New function.
11250         (Sized_relobj::do_gc_process_relocs): New function.
11251         * options.h (General_options::gc_sections): Modify to not be a no-op.
11252         (General_options::print_gc_sections): New option.
11253         * plugin.cc (Plugin_finish::run): Remove function call to
11254         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11255         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11256         * reloc.cc (Read_relocs::run): Add task to process relocs and
11257         determine unreferenced sections when doing garbage collection.
11258         (Gc_process_relocs): New class.
11259         (Sized_relobj::do_gc_process_relocs): New function.
11260         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11261         sections that are garbage collected.
11262         * reloc.h (Gc_process_relocs): New class.
11263         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11264         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11265         symbols whose corresponding sections are garbage collected.
11266         (Symbol_table::Symbol_table): Add new parameter for the garbage
11267         collection object.
11268         (Symbol_table::gc_mark_undef_symbols): New function.
11269         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11270         (Symbol_table::gc_mark_dyn_syms): New function.
11271         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11272         as garbage.
11273         (Symbol_table::add_from_object): Likewise.
11274         (Symbol_table::add_from_relobj): When building shared objects, do not
11275         treat externally visible symbols as garbage.
11276         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11277         table information for static and relocatable links.
11278         * symtab.h (Symbol_table::set_gc): New function.
11279         (Symbol_table::gc): New function.
11280         (Symbol_table::gc_mark_undef_symbols): New function.
11281         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11282         (Symbol_table::gc_mark_dyn_syms): New function.
11283         (Symbol_table::gc_): New data member.
11284         * target.h (Sized_target::gc_process_relocs): New pure virtual
11285         function.
11286         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11287         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11288
11289 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11290
11291         * options.h (General_options::gc_sections): Define as a no-op for now.
11292         (General_options::no_keep_memory): Ditto.
11293         (General_options::Bshareable): Define.
11294         * options.cc (General_options::finalize): Honor -Bshareable.
11295
11296 2009-01-20  Andreas Schwab  <schwab@suse.de>
11297
11298         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11299         read the value in the contents, since we don't use it.  Use the
11300         template endianness when writing.
11301         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11302
11303 2009-01-19  Andreas Schwab  <schwab@suse.de>
11304
11305         * configure.tgt (powerpc64-*): Fix targ_obj.
11306
11307 2009-01-15  Ian Lance Taylor  <iant@google.com>
11308
11309         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11310         local symbols when stripping all symbols.
11311
11312 2009-01-14  Cary Coutant  <ccoutant@google.com>
11313
11314         * output.cc (Output_reloc): Add explicit instantiations.
11315
11316 2009-01-14  Cary Coutant  <ccoutant@google.com>
11317
11318         * archive.cc (Archive::get_elf_object_for_member): Remove call
11319         to File_read::claim_for_plugin.
11320         * descriptors.cc (Descriptors::open): Remove reference to
11321         is_claimed.
11322         (Descriptors::claim_for_plugin): Remove.
11323         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11324         (Descriptors::is_claimed): Remove.
11325         (claim_descriptor_for_plugin): Remove.
11326         * fileread.cc (File_read::claim_for_plugin): Remove.
11327         * fileread.h (File_read::claim_for_plugin): Remove.
11328         (File_read::descriptor): Reopen descriptor if necessary.
11329         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11330         (Plugin_manager::all_symbols_read): Add task parameter. Change
11331         all callers.
11332         (Plugin_manager::get_input_file): New function.
11333         (Plugin_manager::release_input_file): New function.
11334         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11335         corresponding data member.
11336         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11337         and pass to base constructor. Change all callers.
11338         (get_input_file, release_input_file): New functions.
11339         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11340         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11341         (Plugin_manager::all_symbols_read): Add task parameter.
11342         (Plugin_manager::get_input_file): New function.
11343         (Plugin_manager::release_input_file): New function.
11344         (Plugin_manager::task_): New data member.
11345         (Pluginobj::Pluginobj): Add filesize parameter.
11346         (Pluginobj::filename): New function.
11347         (Pluginobj::descriptor): New function.
11348         (Pluginobj::filesize): New function.
11349         (Pluginobj::filesize_): New data member.
11350         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11351         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11352         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11353
11354         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11355         with archive libraries.
11356         * testsuite/Makefile.in: Regenerate.
11357         * testsuite/plugin_test.c (struct sym_info): New type.
11358         (get_input_file, release_input_file): New static variables.
11359         (onload): Capture new transfer vector entries.
11360         (claim_file_hook): Stop reading at end of file according to filesize.
11361         Factor out parsing of readelf output into separate function.
11362         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11363         APIs and get the source file name from the symbol table.  Convert
11364         source file name to corresponding object file name.  Print info
11365         message when adding new input files.
11366         (parse_readelf_line): New function.
11367         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11368         * testsuite/plugin_test_2.sh: Likewise.
11369         * testsuite/plugin_test_3.sh: Likewise.
11370         * testsuite/plugin_test_4.sh: New test case.
11371
11372 2009-01-07  Ian Lance Taylor  <iant@google.com>
11373
11374         * version.cc (version_string): Bump to 1.8.
11375
11376 2008-12-23  Cary Coutant  <ccoutant@google.com>
11377
11378         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11379         * plugin.cc (Plugin_manager::finish): Rename as
11380         layout_deferred_objects.  Move cleanup to separate function.
11381         (Plugin_manager::cleanup): New function.
11382         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11383         separately.
11384         * plugin.h (Plugin_manager::finish): Rename as
11385         layout_deferred_objects.
11386         (Plugin_manager::cleanup): New function.
11387         (Plugin_manager::cleanup_done): New field.
11388
11389 2008-12-23  Cary Coutant  <ccoutant@google.com>
11390
11391         * plugin.cc (is_visible_from_outside): New function.
11392         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11393         so we don't return "IR only" status for exported symbols or -r links.
11394
11395         * testsuite/Makefile.am (plugin_test_3): New test case.
11396         * testsuite/Makefile.in: Regenerate.
11397         * testsuite/plugin_test_3.sh: New file.
11398
11399 2008-12-22  Cary Coutant  <ccoutant@google.com>
11400
11401         * object.cc (Sized_relobj::layout_section): New function.
11402         (Sized_relobj::do_layout): Defer layout of input sections until after
11403         plugin has provided replacement files.
11404         (Sized_relobj::do_layout_deferred_sections): New function.
11405         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11406         (Relobj::layout_deferred_sections): New function.
11407         (Relobj::do_layout_deferred_sections): New function.
11408         (Sized_relobj::do_layout_deferred_sections): New function.
11409         (Sized_relobj::layout_section): New function.
11410         (Sized_relobj::Deferred_layout): New structure.
11411         (Sized_relobj::deferred_layout_): New field.
11412         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11413         Change all callers.  Layout deferred sections.
11414         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11415         references.
11416         (Plugin_hook::run): Move code from do_plugin_hook inline.
11417         (Plugin_hook::do_plugin_hook): Remove.
11418         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11419         (Plugin_manager::finish): Renamed, was cleanup.
11420         (Plugin_manager::should_defer_layout): New function.
11421         (Plugin_manager::add_deferred_layout_object): New function.
11422         (Plugin_manager::Deferred_layout_list): New type.
11423         (Plugin_manager::deferred_layout_objects_): New field.
11424         (Plugin_hook::do_plugin_hook): Remove.
11425
11426 2008-12-17  Ian Lance Taylor  <iant@google.com>
11427
11428         * options.h (class General_options): Add --no case for
11429         --export-dynamic.
11430
11431 2008-12-16  Cary Coutant  <ccoutant@google.com>
11432
11433         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11434         vector.
11435         (Plugin_manager::claim_file): Create plugin object even if
11436         plugin did not call the add_symbols callback.
11437         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11438         asking for more symbols than were added.
11439         * testsuite/Makefile.am (plugin_test_1): Add test case with
11440         no global symbols.
11441         (empty.syms): New target.
11442         * testsuite/Makefile.in: Regenerate.
11443         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11444         message. Don't call add_symbols if no globals.
11445         (all_symbols_read_hook): Don't provide replacement for empty
11446         claimed file.
11447
11448 2008-12-12  Ian Lance Taylor  <iant@google.com>
11449
11450         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11451         r_type == 0 for a local symbol with r_sym == 0.
11452         (scan_relocatable_relocs): Pass r_sym to
11453         local_non_section_strategy.
11454         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11455         r_sym parameter.
11456
11457         * configure.ac: Update test for TLS descriptors: they are
11458         supported as of glibc 2.9.
11459         * configure: Rebuild.
11460
11461 2008-12-11  Ian Lance Taylor  <iant@google.com>
11462
11463         PR 7091
11464         * target-reloc.h (Default_scan_relocatable_relocs): For each
11465         function, map r_type == 0 to RELOC_DISCARD.
11466
11467 2008-12-10  Cary Coutant  <ccoutant@google.com>
11468
11469         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11470         object to override a kept COMDAT group from a plugin object.
11471
11472 2008-12-09  Ian Lance Taylor  <iant@google.com>
11473
11474         PR 7088
11475         * yyscript.y (file_cmd): Handle INPUT.
11476
11477         * testsuite/initpri1.c: Change all declarations to be full
11478         prototypes by adding void, to avoid compiler warnings.
11479
11480 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11481
11482         * options.cc (General_options::parse_plugin_opt): New.
11483         (General_options::add_plugin): The argument now is just the filename.
11484         (General_options::add_plugin_option): New.
11485         * options.h (plugin_opt): New.
11486         (add_plugin): Change argument name.
11487         (add_plugin_option): New.
11488         * plugin.cc (Plugin::load): Don't parse the plugin option.
11489         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11490         (Plugin::add_option): New.
11491         (Plugin::args_): Change type.
11492         (Plugin::filename_): New.
11493         (Plugin_manager::add_plugin_option): New.
11494         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11495         * testsuite/Makefile.in: Regenerate.
11496
11497 2008-12-05  Cary Coutant  <ccoutant@google.com>
11498
11499         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11500         Handle --strip-lto-sections option.
11501         * options.h (strip_lto_sections): New option.
11502
11503 2008-12-01  Cary Coutant  <ccoutant@google.com>
11504
11505         * plugin.cc (ld_plugin_message): Change format parameter to const.
11506         Fix mismatch between new[] and delete.
11507
11508 2008-11-14  Cary Coutant  <ccoutant@google.com>
11509
11510         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11511         instead of -1U.
11512
11513 2008-11-05  Craig Silverstein  <csilvers@google.com>
11514
11515         * options.cc (General_options::parse_dynamic_list): New function.
11516         * options.h (General_options): New flags dynamic_list,
11517         dynamic_list_data, dynamic_list_cpp_new, and
11518         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11519         (General_options::in_dynamic_list): New function.
11520         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11521         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11522         (Lex::can_continue_name): Likewise.
11523         (yylex): Likewise.
11524         (read_script_file): New parameter script_options.
11525         (read_dynamic_list): New function.
11526         (Script_options::define_dynamic_list): New function.
11527         (dynamic_list_keyword_parsecodes): New variable.
11528         (dynamic_list_keywords): New variable.
11529         * script.h (Script_options::define_dynamic_list): New function
11530         prototype.
11531         (read_dynamic_list): New function prototype.
11532         * symtab.cc (strprefix): New macro.
11533         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11534         dynamic_list_data, dynamic_list_cpp_new, and
11535         dynamic_list_cpp_typeinfo.
11536         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11537         (dynamic_list_expr): New rule.
11538         (dynamic_list_nodes): Likewise.
11539         (dynamic_list_node): Likewise.
11540         * testsuite/Makefile.am (dynamic_list): New test.
11541         * testsuite/Makefile.in: Regenerated.
11542         * testsuite/dynamic_list.t: New file.
11543         * testsuite/dynamic_list.sh: New file.
11544
11545 2008-11-05  Craig Silverstein  <csilvers@google.com>
11546
11547         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11548         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11549         (t11_last): Likewise.
11550         * testsuite/ver_test_6.c (main): Likewise.
11551
11552 2008-10-07  Cary Coutant  <ccoutant@google.com>
11553
11554         * options.c (General_options::finalize): Add check for -static and
11555         -shared.
11556         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11557         is not empty.
11558
11559 2008-10-02  Cary Coutant  <ccoutant@google.com>
11560
11561         * plugin.cc (make_sized_plugin_object): Fix conditional
11562         compilation to work when not all targets are enabled.
11563
11564 2008-09-29  Cary Coutant  <ccoutant@google.com>
11565
11566         * archive.cc (Archive::get_file_and_offset): Use filename instead
11567         of name to get library path.
11568         (Archive::include_member): Unlock external member of a thin archive.
11569
11570         * testsuite/Makefile.am (TEST_AR): New variable.
11571         (thin_archive_test_1): New test.
11572         (thin_archive_test_2): New test.
11573         * testsuite/Makefile.in: Regenerate.
11574         * testsuite/thin_archive_main.cc: New file.
11575         * testsuite/thin_archive_test_1.cc: New file.
11576         * testsuite/thin_archive_test_2.cc: New file.
11577         * testsuite/thin_archive_test_3.cc: New file.
11578         * testsuite/thin_archive_test_4.cc: New file.
11579
11580 2008-09-29  Cary Coutant  <ccoutant@google.com>
11581
11582         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11583         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11584         instead of -1U.
11585         (Sized_relobj::do_finalize_local_symbols): Likewise.
11586         (Sized_relobj::map_to_kept_section): Likewise.
11587         * object.h (Sized_relobj::invalid_address): New constant.
11588         (Sized_relobj::do_output_section_offset): Check for invalid_address
11589         and return -1ULL.
11590         * output.cc (Output_reloc::local_section_offset): Use constant
11591         invalid_address instead of -1U.
11592         (Output_reloc::get_address): Likewise.
11593         (Output_section::output_address): Change -1U to -1ULL.
11594         * output.h (Output_reloc::invalid_address): New constant.
11595         * reloc.cc (Sized_relobj::write_sections): Use constant
11596         invalid_address instead of -1U.
11597         (Sized_relobj::relocate_sections): Likewise.
11598         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11599         values for merge sections.
11600         * target-reloc.h (relocate_for_relocatable): Use constant
11601         invalid_address instead of -1U.
11602
11603 2008-09-19  Cary Coutant  <ccoutant@google.com>
11604
11605         Add plugin functionality for link-time optimization (LTO).
11606         * configure.ac (plugins): Add --enable-plugins option.
11607         * configure: Regenerate.
11608         * config.in: Regenerate.
11609         * Makefile.am (LIBDL): New variable.
11610         (CCFILES): Add plugin.cc.
11611         (HFILES): Add plugin.h.
11612         (ldadd_var): Add LIBDL.
11613         * Makefile.in: Regenerate.
11614
11615         * archive.cc: Include "plugin.h".
11616         (Archive::setup): Don't preread archive symbols when using a plugin.
11617         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11618         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11619         files.
11620         (Archive::include_member): Add symbols from plugin objects.
11621         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11622         * descriptors.cc (Descriptors::open): Check for file descriptors
11623         abandoned by plugins.
11624         (Descriptors::claim_for_plugin): New function.
11625         * descriptors.h (Descriptors::claim_for_plugin): New function.
11626         (Open_descriptor::is_claimed): New field.
11627         (claim_descriptor_for_plugin): New function.
11628         * fileread.cc (File_read::claim_for_plugin): New function.
11629         * fileread.h (File_read::claim_for_plugin): New function.
11630         (File_read::descriptor): New function.
11631         * gold.cc: Include "plugin.h".
11632         (queue_initial_tasks): Add task to call plugin hooks for generating
11633         new object files.
11634         * main.cc: Include "plugin.h".
11635         (main): Load plugin libraries.
11636         * object.h (Pluginobj): Declare.
11637         (Object::pluginobj): New function.
11638         (Object::do_pluginobj): New function.
11639         (Object::set_target): New function.
11640         * options.cc: Include "plugin.h".
11641         (General_options::parse_plugin): New function.
11642         (General_options::General_options): Initialize plugins_ field.
11643         (General_options::add_plugin): New function.
11644         * options.h (Plugin_manager): Declare.
11645         (General_options): Add --plugin option.
11646         (General_options::has_plugins): New function.
11647         (General_options::plugins): New function.
11648         (General_options::add_plugin): New function.
11649         (General_options::plugins_): New field.
11650         * plugin.cc: New file.
11651         * plugin.h: New file.
11652         * readsyms.cc: Include "plugin.h".
11653         (Read_symbols::do_read_symbols): Check for archive before checking
11654         for ELF file.  Call plugin hooks to claim files.
11655         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11656         from a real object file; force override when processing replacement
11657         files.
11658         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11659         (Symbol::init_base_object): Likewise.
11660         (Symbol::init_base_output_data): Likewise.
11661         (Symbol::init_base_output_segment): Likewise.
11662         (Symbol::init_base_constant): Likewise.
11663         (Symbol::init_base_undefined): Likewise.
11664         (Symbol::output_section): Assert that object is not a plugin.
11665         (Symbol_table::add_from_pluginobj): New function.
11666         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11667         undefined.
11668         (Symbol_table::sized_write_globals): Likewise.
11669         (Symbol_table::add_from_pluginobj): Instantiate template.
11670         * symtab.h (Sized_pluginobj): Declare.
11671         (Symbol::in_real_elf): New function.
11672         (Symbol::set_in_real_elf): New function.
11673         (Symbol::in_real_elf_): New field.
11674         (Symbol_table::add_from_pluginobj): New function.
11675
11676         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11677         (LIBDL): New variable.
11678         (LDADD): Add LIBDL.
11679         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11680         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11681         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11682         (MOSTLYCLEANFILES): Likewise.
11683         * testsuite/Makefile.in: Regenerate.
11684         * testsuite/plugin_test.c: New file.
11685         * testsuite/plugin_test_1.sh: New file.
11686         * testsuite/plugin_test_2.sh: New file.
11687
11688 2008-09-16  Ian Lance Taylor  <iant@google.com>
11689
11690         * target-reloc.h (relocate_section): Check whether a symbol is
11691         defined by the ABI before reporting an undefined symbol error.
11692         * target.h (Target::is_defined_by_abi): Make parameter const.
11693         (Target::do_is_defined_by_abi): Likewise.
11694         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11695         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11696         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11697         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11698         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11699         * testsuite/Makefile.in: Rebuild.
11700
11701         * fileread.cc (make_view): Add casts to avoid warning.
11702
11703 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11704
11705         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11706         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11707
11708 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11709
11710         * options.h (General_options::output_is_executable): New.
11711         (General_options::output_is_pie): New.
11712         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11713         for shared libraries.
11714         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11715
11716 2008-09-11  Chris Demetriou  <cgd@google.com>
11717
11718         * options.h (origin): New -z option.
11719         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11720         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11721         in DT_FLAGS_1.
11722
11723 2008-09-05  Cary Coutant  <ccoutant@google.com>
11724
11725         * fileread.cc (File_read::make_view): Add check for attempt to map
11726         beyond end of file.
11727
11728 2008-09-05  Cary Coutant  <ccoutant@google.com>
11729
11730         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11731         explicit instantiations.
11732
11733 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11734
11735         PR gold/6858
11736         * options.cc (General_options::finalize): Allow undefined symbols
11737         in shlibs if linking -shared.
11738
11739         PR gold/6859
11740         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11741         symbols as not needing a dynsym entry.
11742
11743 2008-08-20  Craig Silverstein  <csilvers@google.com>
11744
11745         * fileread.cc (File_read::open): Do not lock the file unless it
11746         was successfully opened.
11747
11748 2008-08-14  Cary Coutant  <ccoutant@google.com>
11749
11750         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11751         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11752         * testsuite/tls_test.cc (struct int128): 128-bit struct
11753         for testing TLS relocs with non-zero addend.
11754         (v12): New TLS variable.
11755         (t12): New test.
11756         (t_last): Add check for v12.
11757         * testsuite/tls_test.h (t12): New function.
11758         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11759
11760 2008-08-13  Ian Lance Taylor  <iant@google.com>
11761
11762         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11763         set tls_segment_ or relro_segment_.
11764         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11765         when appropriate.
11766         * output.h (Output_section::clear_is_relro): New function.
11767         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11768         sections specially even when output_data_ is empty.
11769         (Output_segment::maximum_alignment): When first section is relro,
11770         only force alignment for PT_LOAD segments.
11771         * script.cc (script_data_segment_align): New function.
11772         (script_data_segment_relro_end): New function.
11773         * script-c.h (script_data_segment_align): Declare.
11774         (script_data_segment_relro_end): Declare.
11775         * script-sections.h (class Script_sections): Declare
11776         data_segment_align and data_segment_relro_end.  Add fields
11777         segment_align_index_ and saw_relro_end_.
11778         * script-sections.cc (class Sections_element): Add set_is_relro
11779         virtual function.  Add new bool* parameter to place_orphan_here.
11780         Add get_output_section virtual function.
11781         (class Output_section_definition): Add set_is_relro.  Add new
11782         bool* parameter to place_orphan_here.  Add get_output_section.
11783         Add is_relro_ field.
11784         (Output_section_definition::Output_section_definition): Initialize
11785         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11786         and is_relro_ fields.
11787         (Output_section_definition::place_orphan_here): Add is_relro
11788         parameter.
11789         (Output_section_definition::set_section_addresses): Set relro for
11790         output section.
11791         (Output_section_definition::alternate_constraint): Likewise.
11792         (class Orphan_output_section): Add new bool* parameter to
11793         place_orphan_here.  Add get_output_section.
11794         (Orphan_output_section::place_orphan_here): Add is_relro
11795         parameter.
11796         (Script_sections::Script_sections): Initialize
11797         data_segment_align_index_ and saw_relro_end_.
11798         (Script_sections::data_segment_align): New function.
11799         (Script_sections::data_segment_relro_end): New function.
11800         (Script_sections::place_orphan): Set or clear is_relro.
11801         (Script_sections::set_section_addresses): Force alignment of first
11802         TLS section.
11803         * yyscript.y (exp): Call script_data_segment_align and
11804         script_data_segment_relro_end.
11805         * testsuite/relro_script_test.t: New file.
11806         * testsuite/relro_test.cc (using_script): Declare.
11807         (t1, t2): Test using_script.
11808         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11809         (relro_script_test_SOURCES): Define.
11810         (relro_script_test_DEPENDENCIES): Define.
11811         (relro_script_test_LDFLAGS): Define.
11812         (relro_script_test_LDADD): Define.
11813         (relro_script_test.so): New target.
11814         * testsuite/Makefile.in: Rebuild.
11815
11816 2008-08-06  Cary Coutant <ccoutant@google.com>
11817
11818         * archive.cc (Archive::total_archives, Archive::total_members)
11819         (Archive::total_members_loaded): New variables.
11820         (Archive::setup): Add parameter.  Add option to preread
11821         archive symbols.
11822         (Archive::read_armap): Add counter.
11823         (Archive::get_file_and_offset): New function.
11824         (Archive::get_elf_object_for_member): New function.
11825         (Archive::read_all_symbols): New function.
11826         (Archive::read_symbols): New function.
11827         (Archive::add_symbols): Add counters.
11828         (Archive::include_all_members): Use armap to find members if it's
11829         already built.
11830         (Archive::include_member): Skip reading symbols if already read.
11831         Factored code into Archive::get_file_and_offset and
11832         Archive::get_elf_object_for_member.  Changed call to
11833         Mapfile::report_include_archive_member.
11834         (Archive::print_stats): New function.
11835         * archive.h: Declare Object and Read_symbols_data classes.
11836         (Archive::Archive): Add initializers for new members.
11837         (Archive::setup): Add parameter.
11838         (Archive::print_stats): New function.
11839         (Archive::total_archives, Archive::total_members)
11840         (Archive::total_members_loaded): New variables.
11841         (Archive::get_file_and_offset): New function.
11842         (Archive::get_elf_object_for_member): New function.
11843         (Archive::read_all_symbols): New function.
11844         (Archive::read_symbols): New function.
11845         (Archive::Archive_member): New class.
11846         (Archive::members_): New member.
11847         (Archive::num_members_): New member.
11848         * main.cc: Include archive.h.
11849         (main): Call Archive::print_stats.
11850         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11851         archive parameter; member_name is now the fully-decorated name.
11852         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11853         * options.h: (General_options): Add --preread-archive-symbols option.
11854         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11855         Archive::setup.
11856
11857 2008-08-04  Ian Lance Taylor  <iant@google.com>
11858
11859         * symtab.h (Symbol::use_plt_offset): New function.
11860         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11861         * powerpc.cc (Relocate::relocate): Likewise.
11862         * sparc.cc (Relocate::relocate): Likewise.
11863         * x86_64.cc (Relocate::relocate): Likewise.
11864         * testsuite/weak_plt.sh: New test.
11865         * testsuite/weak_plt_main.cc: New test.
11866         * testsuite/weak_plt_shared.cc: New test.
11867         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11868         (check_PROGRAMS): Add weak_plt.
11869         (check_DATA): Add weak_plt_shared.so.
11870         (weak_plt_main_pic.o, weak_plt): New targets.
11871         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11872         * testsuite/Makefile.in: Rebuild.
11873
11874         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11875         gcctestdir/ld.
11876         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11877         * testsuite/Makefile.in: Rebuild.
11878
11879 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11880
11881         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11882         * Makefile.in: Regenerate.
11883         * po/POTFILES.in: Regenerate.
11884
11885 2008-07-29  Ian Lance Taylor  <iant@google.com>
11886
11887         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11888         symbols before other symbols.
11889         * testsuite/script_test_2.cc (test_addr): Declare.
11890         (test_addr_alias): Declare.
11891         (main): Check that test_addr and test_addr_alias have the right
11892         values.
11893         * testsuite/script_test_2.t: Define test_addr_alias and
11894         test_addr.
11895
11896 2008-07-24  Ian Lance Taylor  <iant@google.com>
11897
11898         PR 5990
11899         * descriptors.cc: New file.
11900         * descriptors.h: New file.
11901         * gold-threads.h (class Hold_optional_lock): New class.
11902         * fileread.cc: Include "descriptors.h".
11903         (File_read::~File_read): Release descriptor rather than closing
11904         it.
11905         (File_read::open) [file]: Call open_descriptor rather than open.
11906         Set is_descriptor_opened_.
11907         (File_read::open) [memory]: Assert that descriptor is not open.
11908         (File_read::reopen_descriptor): New function.
11909         (File_read::release): Release descriptor.
11910         (File_read::do_read): Make non-const.  Reopen descriptor.
11911         (File_read::read): Make non-const.
11912         (File_read::make_view): Reopen descriptor.
11913         (File_read::do_readv): Likewise.
11914         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11915         Update declarations.
11916         * layout.cc: Include "descriptors.h".
11917         (Layout::create_build_id): Use open_descriptor rather than open.
11918         * output.cc: Include "descriptors.h".
11919         (Output_file::open): Use open_descriptor rather than open.
11920         * archive.cc (Archive::const_iterator): Change Archive to be
11921         non-const.
11922         (Archive::begin, Archive::end): Make non-const.
11923         (Archive::count_members): Likewise.
11924         * archive.h (class Archive): Update declarations.
11925         * object.h (Object::read): Make non-const.
11926         * Makefile.am (CCFILES): Add descriptors.cc.
11927         (HFILES): Add descriptors.h.
11928         * Makefile.in: Rebuild.
11929
11930         PR 6716
11931         * gold.h: Always include <clocale>.  Add Solaris workarounds
11932         following code in binutils/sysdep.h.
11933
11934         PR 6048
11935         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11936         this->eh_frame_hdr_ is NULL before using it.
11937
11938         * dynobj.cc (Versions::Versions): Update comment.
11939
11940         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11941         the base version name.
11942
11943         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11944         array size plus one.
11945         (Stringpool_template::set_string_offsets): Subtract one from key
11946         before using it as an array index.
11947         (Stringpool_template::get_offset_with_length): Likewise.
11948         (Stringpool_template::write_to_buffer): Likewise.
11949         * stringpool.h (Stringpool_template::get_offset_from_key):
11950         Likewise.
11951
11952 2008-07-23  Ian Lance Taylor  <iant@google.com>
11953
11954         PR 6658
11955         * object.h (Merged_symbol_value::value): Do our best to handle a
11956         negative addend.
11957
11958         PR 6647
11959         * script.cc (Version_script_info::get_versions): Don't add empty
11960         version tag to return value.
11961         (Version_script_info::get_symbol_version_helper): Change return
11962         type to bool.  Add pversion parameter.  Change all callers.
11963         (script_register_vers_node): Don't require a non-NULL tag.
11964         * script.h (class Version_script_info): Update declarations.
11965         (Version_script_info::get_symbol_version): Change return type to
11966         bool.  Add version parameter.  Change all callers.
11967         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11968         handling.  Handle an empty version from a version script.
11969         (Symbol_table::define_special_symbol): Likewise.
11970         * testsuite/ver_test_10.script: New file.
11971         * testsuite/ver_test_10.sh: New file.
11972         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11973         (check_DATA): Add ver_test_10.syms.
11974         (ver_test_10.syms, ver_test_10.so): New target.
11975         * testsuite/Makefile.in: Rebuild.
11976
11977 2008-07-23  Simon Baldwin  <simonb@google.com>
11978
11979         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11980         to zero for undefined symbols from dynamic libraries.
11981
11982 2008-07-23  Ian Lance Taylor  <iant@google.com>
11983
11984         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11985         Change all callers.
11986         * symtab.h (class Symbol_table): Update declaration.
11987         * testsuite/ver_test_9.cc: New file.
11988         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11989         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11990         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11991         (ver_test_9.so, ver_test_9.o): New targets.
11992         * testsuite/Makefile.in: Rebuild.
11993
11994 2008-07-22  Ian Lance Taylor  <iant@google.com>
11995
11996         * options.h (class General_options): Define --check-sections.
11997         * layout.cc (Layout::set_segment_offsets): Handle
11998         --check-sections.
11999
12000         * options.h (class General_options): Define -n/--nmagic and
12001         -N/--omagic.
12002         * options.cc (General_options::finalize): For -n/--nmagic or
12003         -N/--omagic, set -static.
12004         * layout.cc (Layout::attach_allocated_section_to_segment): If
12005         -N/--omagic, don't put read-only and read-write sections in
12006         different segments.
12007         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12008         finding a read-only segment.
12009         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12010         don't set the minimum segment alignment to the common page size,
12011         and don't set the file offset to the address modulo the page size.
12012         * script-sections.cc (Script_sections::create_segments): If
12013         -n/--omagic, don't put read-only and read-write sections in
12014         different segments.
12015
12016         * cref.cc: New file.
12017         * cref.h: New file.
12018         * options.h (class General_options): Add --print-symbol-counts.
12019         * main.cc (main): Issue defined symbol report if requested.
12020         * archive.cc (Archive::interpret_header): Make into a const member
12021         function.
12022         (Archive::add_symbols): Call Input_objects::archive_start and
12023         archive_stop.
12024         (Archive::const_iterator): Define new class.
12025         (Archive::begin, Archive::end): New functions.
12026         (Archive::include_all_members): Rewrite to use iterator.
12027         (Archive::count_members): New function.
12028         * archive.h (class Archive): Update declarations.
12029         (Archive::filename): New function.
12030         * object.cc: Include "cref.h".
12031         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12032         (Sized_relobj::do_get_global_symbol_counts): New function.
12033         (Input_objects::add_object): Add object to cross-referencer.
12034         (Input_objects::archive_start): New function.
12035         (Input_objects::archive_stop): New function.
12036         (Input_objects::print_symbol_counts): New function.
12037         * object.h: Declare Cref and Archive.
12038         (Object::get_global_symbol_counts): New function.
12039         (Object::do_get_global_symbol_counts): New pure virtual function.
12040         (class Sized_relobj): Add defined_count_ field.  Update
12041         declarations.
12042         (class Input_objects): Add cref_ field.  Update constructor.
12043         Update declarations.
12044         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12045         defined_count_.
12046         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12047         symbol counts.
12048         (Sized_dynobj::do_get_global_symbol_counts): New function.
12049         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12050         defined_count_.  Update declarations.  Define Symbols typedef.
12051         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12052         parameter.  Change all callers.
12053         (Symbol_table::add_from_dynobj): Add sympointers and defined
12054         parameters.  Change all callers.
12055         * symtab.h (class Symbol_table): Update declarations.
12056         * Makefile.am (CCFILES): Add cref.cc.
12057         (HFILES): Add cref.h.
12058         * Makefile.in: Rebuild.
12059
12060 2008-07-22  Simon Baldwin  <simonb@google.com>
12061
12062         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12063         to zero when writing undefined symbols.
12064
12065 2008-07-22  Ian Lance Taylor  <iant@google.com>
12066
12067         * output.cc (Output_section::add_input_section): Don't try to
12068         merge empty merge sections.
12069
12070 2008-07-21  Craig Silverstein  <csilvers@google.com>
12071
12072         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12073         Include symbol version in error message.
12074
12075 2008-07-20  Chris Demetriou  <cgd@google.com>
12076
12077         * configure.ac (gold_cv_c_random_seed): New configured variable.
12078         (RANDOM_SEED_CFLAGS): New substituted variable.
12079         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12080         * configure: Rebuild.
12081         * Makefile.in: Likewise.
12082         * testsuite/Makefile.in: Likewise.
12083
12084 2008-07-18  Ian Lance Taylor  <iant@google.com>
12085
12086         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12087         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12088         * testsuite/ver_test_main.cc (main): Call t4.
12089         (t4, t4_2a): Define.
12090         * testsuite/ver_test_2.cc (t4_2): Define.
12091         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12092         * testsuite/ver_test_4.cc (t4_2a): Define.
12093         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12094         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12095
12096 2008-07-17  Ian Lance Taylor  <iant@google.com>
12097
12098         * dynobj.cc (Versions::add_def): If we give an error about a
12099         missing version, go ahead and create the version anyhow.
12100
12101 2008-07-10  Ian Lance Taylor  <iant@google.com>
12102
12103         Handle output sections with more than 0x7fffffff bytes.
12104         * object.h (class Relobj): Change map_to_output_ to
12105         output_sections_, and just keep a section pointer.  Change all
12106         uses.  Move comdat group support to Sized_relobj.
12107         (Relobj::is_section_specially_mapped): Remove.
12108         (Relobj::output_section): Remove poff parameter.  Change all
12109         callers.
12110         (Relobj::output_section_offset): New function.
12111         (Relobj::set_section_offset): Rewrite.
12112         (Relobj::map_to_output): Remove.
12113         (Relobj::output_sections): New function.
12114         (Relobj::do_output_section_offset): New pure virtual function.
12115         (Relobj::do_set_section_offset): Likewise.
12116         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12117         group support from Relobj.  Update declarations.
12118         (Sized_relobj::get_output_section_offset): New function.
12119         (Sized_relobj::do_output_section_offset): New function.
12120         (Sized_relobj::do_set_section_offset): New function.
12121         * object.cc (Relobj::output_section_address): Remove.
12122         (Sized_relobj::Sized_relobj): Initialize new fields.
12123         (Sized_relobj::include_section_group): Cast find_kept_object to
12124         Sized_relobj.
12125         (Sized_relobj::include_linkonce_section): Likewise.
12126         (Sized_relobj::do_layout): Use separate arrays for output section
12127         and output offset.
12128         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12129         output_sections.
12130         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12131         output_sections and section_offsets.
12132         (Sized_relobj::write_local_symbols): Likewise.
12133         (map_to_kept_section): Compute output address directly.
12134         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12135         output_sections and section_offsets.
12136         (Sized_relobj::write_sections): Likewise.
12137         (Sized_relobj::relocate_sections): Likewise.
12138         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12139         * output.h (class Output_reloc): Update declarations.  Change
12140         u2_.relobj to Sized_relobj*.
12141         (class Output_data_reloc): Change add functions to use
12142         Sized_relobj*.
12143         * output.cc (Output_reloc::Output_reloc): Change relobj to
12144         Sized_relobj*.
12145         (Output_reloc::local_section_offset): Change return type to
12146         Elf_Addr.  Use get_output_section_offset.
12147         (Output_reloc::get_address): Likewise.
12148         (Output_section::is_input_address_mapped): Don't call
12149         is_section_specially_mapped.
12150         (Output_section::output_offset): Likewise.
12151         (Output_section::output_address): Likewise.
12152         (Output_section::starting_output_address): Likewise.
12153         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12154         parameter to Sized_relobj*.
12155         (Copy_relocs::need_copy_reloc): Likewise.
12156         (Copy_relocs::save): Likewise.
12157         * copy-relocs.h (class Copy_relocs): Update declarations.
12158         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12159         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12160         * target-reloc.h (relocate_for_relocatable): Change
12161         offset_in_output_section type to Elf_Addr.  Change code that uses
12162         it as well.
12163         * layout.cc (Layout::layout): Always set *off.
12164         * mapfile.cc (Mapfile::print_input_section): Use
12165         output_section_offset.
12166         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12167         Sized_relobj*.
12168         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12169         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12170         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12171
12172 2008-07-03  Ian Lance Taylor  <iant@google.com>
12173
12174         * layout.cc (Layout::include_section): Do not discard unrecognized
12175         SHT_STRTAB sections.
12176
12177 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12178
12179         * script.cc (Lex::can_continue_name): Make '?' allowable in
12180         version-script names.
12181         * testsuite/version_script.map: Change glob pattern to use '?'
12182
12183 2008-06-30  Manish Singh  <yosh@gimp.org>
12184
12185         PR 6585
12186         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12187         Correct typo.
12188
12189 2008-06-30  Ian Lance Taylor  <iant@google.com>
12190
12191         PR 6660
12192         PR 6682
12193         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12194         versions]: Don't try to read the value in the contents, since we
12195         don't use it.  Use the template endianness when writing.
12196
12197 2008-06-25  Cary Coutant  <ccoutant@google.com>
12198
12199         * fileread.cc (File_read::make_view): Assert on zero-length view.
12200         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12201         symbol table when there are no symbols to read.
12202
12203 2008-06-23  Craig Silverstein  <csilvers@google.com>
12204
12205         * version.cc (version_string): Bump to 1.7
12206
12207 2008-06-18  Craig Silverstein  <csilvers@google.com>
12208
12209         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12210         constant 0xFFFF to type Valtype.
12211         (Powerpc_relocate_functions::rel16_ha): Likewise.
12212
12213 2008-06-17  Ian Lance Taylor  <iant@google.com>
12214
12215         * output.h (Output_section::Input_section): Initialize p2align_ to
12216         zero for Output_section_data constructors.
12217         (Output_section::Input_section::addralign): If not an input
12218         section, return the alignment of the Output_section_data.
12219         * testsuite/copy_test.cc: New file.
12220         * testsuite/copy_test_1.cc: New file.
12221         * testsuite/copy_test_2.cc: New file.
12222         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12223         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12224         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12225         (copy_test_1_pic.o, copy_test_1.so): New targets.
12226         (copy_test_2_pic.o, copy_test_2.so): New targets.
12227         * testsuite/Makefile.in: Rebuild.
12228
12229         * script-sections.cc (Script_sections::place_orphan): Initialize
12230         local variable exact.
12231
12232 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12233
12234         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12235
12236 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12237             David S. Miller  <davem@davemloft.net>
12238
12239         * powerpc.cc: New file.
12240         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12241         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12242         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12243         * Makefile.in: Rebuild.
12244
12245 2008-06-09  Ian Lance Taylor  <iant@google.com>
12246
12247         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12248         <exception>.
12249         (throwing, orig_terminate): New static variables.
12250         (terminate_handler): New static function.
12251         (t2): Set terminate handler.
12252
12253 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12254
12255         PR 6584
12256         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12257         alignment.
12258
12259 2008-05-30  Cary Coutant  <ccoutant@google.com>
12260
12261         * archive.cc (Archive::include_all_members) Correct to step
12262         over symbol table and extended name table in thin archives.
12263
12264 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12265
12266         PR 6407
12267         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12268         calculation.
12269
12270 2008-05-28  Caleb Howe  <cshowe@google.com>
12271
12272         * reduced_debug_output.cc: New file.
12273         * reduced_debug_output.h: New file.
12274         * options.h (class General_options): Add --strip-debug-non-line.
12275         * options.cc (General_options::finalize): Add strip_debug_non_line
12276         to the strip heirarchy.
12277         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12278         fields.
12279         * layout.cc: Include "reduced_debug_output.h".
12280         (Layout::Layout): Initialize new fields.
12281         (line_only_debug_sections): New static array.
12282         (is_lines_only_debug_sections): New static inline function.
12283         (Layout::include_section): Handle --strip-debug-non-line.
12284         (Layout::make_output_section): If --strip-debug-non-line, build
12285         new output sections for .debug_abbrev and .debug_info.
12286         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12287         gold.  Warn about possible overflow.
12288         (read_signed_LEB_128): Likewise.
12289         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12290         (read_signed_LEB_128): Declare.
12291         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12292         (HFILES): Add reduced_debug_output.h.
12293         * Makefile.in: Rebuild.
12294
12295 2008-05-21  Ian Lance Taylor  <iant@google.com>
12296
12297         * mapfile.cc: New file.
12298         * mapfile.h: New file.
12299         * options.h (class General_options): Add -M/--print-map and -Map.
12300         * options.cc (General_options::finalize): Make -M equivalent to
12301         -Map -.
12302         * main.cc: Include <cstdio> and "mapfile.h".
12303         (main): Open mapfile if requested.
12304         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12305         constructor.  Change caller.
12306         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12307         (queue_middle_tasks): Likewise.
12308         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12309         declarations.
12310         * archive.cc: Include "mapfile.h".
12311         (Archive::add_symbols): Add mapfile parameter.  Change all
12312         callers.  Pass mapfile, symbol, and reason to include_member.
12313         (Archive::include_all_members): Add mapfile parameter.  Change all
12314         callers.
12315         (Archive::include_member): Add mapfile, sym, and why parameters.
12316         Change all callers.  Report inclusion to map file.
12317         * archive.h: Include "fileread.h".
12318         (class Archive): Update declarations.
12319         (Archive::file): New const method.
12320         (class Add_archive_symbols): Add mapfile_ field.  Update
12321         constructor.  Change all callers.
12322         * readsyms.h (class Read_symbols): Likewise.
12323         (class Finish_group): Likewise.
12324         (class Read_script): Likewise.
12325         * common.cc: Include "mapfile.h".
12326         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12327         all callers.
12328         (Symbol_table::do_allocate_commons): Likewise.
12329         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12330         symbol allocation to mapfile.
12331         * common.h (class Allocate_commons_task): Add mapfile_ field.
12332         Update constructor.  Change all callers.
12333         * symtab.h (class Symbol_table): Update declarations.
12334         * layout.cc: Include "mapfile.h".
12335         (Layout_task_runner::run): Print information to mapfile.
12336         (Layout::create_gold_note): Change Output_data_fixed_space to
12337         Output_data_zero_fill.
12338         (Layout::create_build_id): Likewise.
12339         (Layout::print_to_mapfile): New function.
12340         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12341         constructor.  Change caller.
12342         (class Layout): Declare print_to_mapfile.
12343         * output.cc (Output_section::Input_section::print_to_mapfile): New
12344         function.
12345         (Output_section::add_input_section): If producing a map, always
12346         add to input_sections_ list.
12347         (Output_section::do_print_to_mapfile): New function.
12348         (Output_segment::print_sections_to_mapfile): New function.
12349         (Output_segment::print_section_list_to_mapfile): New function.
12350         * output.h: Include "mapfile.h".
12351         (Output_data::print_to_mapfile): New function.
12352         (Output_data::do_print_to_mapfile): New virtual function.
12353         (Output_segment_headers::do_print_to_mapfile): New function.
12354         (Output_file_header::do_print_to_mapfile): New function.
12355         (Output_data_const::do_print_to_mapfile): New function.
12356         (class Output_data_const_buffer): Add map_name_ field.  Update
12357         constructor.  Change all callers.  Add do_print_to_mapfile
12358         function.
12359         (class Output_data_fixed_space): Likewise.
12360         (class Output_data_space): Likewise.
12361         (class Output_data_zero_fill): New class.
12362         (Output_data_strtab::do_print_to_mapfile): New function.
12363         (Output_data_reloc_base::do_print_to_mapfile): New function.
12364         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12365         (Output_data_group::do_print_to_mapfile): New function.
12366         (Output_data_got::do_print_to_mapfile): New function.
12367         (Output_data_dynamic::do_print_to_mapfile): New function.
12368         (Output_symtab_xindex::do_print_to_mapfile): New function.
12369         (class Output_section): Declare do_print_to_mapflie.  Declare
12370         print_to_mapfile in Input_section.
12371         (class Output_segment): Declare new functions.
12372         * object.h (Sized_relobj::symbol_count): New function.
12373         * script-sections.cc
12374         (Output_section_element_dot_assignment::set_section_addresses):
12375         Change Output_data_fixed_space to Output_data_zero_fill.
12376         (Output_data_expression::do_print_to_mapfile): New function.
12377         * script.cc (read_input_script): Add mapfile parameter.  Change
12378         all callers.
12379         * script.h (read_input_script): Update declaration.
12380         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12381         (Eh_frame::do_print_to_mapfile): New function.
12382         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12383         (Output_merge_string::do_print_to_mapfile): New function.
12384         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12385         function.
12386         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12387         function.
12388         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12389         function.
12390         * Makefile.am (CCFILES): Add mapfile.cc.
12391         (HFILES): Add mapfile.h.
12392         * Makefile.in: Rebuild.
12393
12394 2008-05-19  Ian Lance Taylor  <iant@google.com>
12395
12396         * options.h (class General_options): Add -z relro.
12397         * layout.cc (Layout::Layout): Initialize relro_segment_.
12398         (Layout::add_output_section_data): Return the output section.
12399         (Layout::make_output_section): Rcognize relro sections and mark
12400         them appropriately.
12401         (Layout::attach_allocated_section_to_segment): Put relro sections
12402         in a PT_GNU_RELRO segment.
12403         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12404         section as relro.
12405         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12406         PT_TLS segments.
12407         (Layout::linkonce_mapping): Map d.rel.ro.local to
12408         .data.rel.ro.local.
12409         (Layout::output_section_name): Us .data.rel.ro.local for any
12410         section which begins with that.
12411         * layout.h (class Layout): Update add_output_section_data
12412         declaration.  Add relro_segment_ field.
12413         * output.cc (Output_section::Output_section): Initialize is_relro_
12414         and is_relro_local_ fields.
12415         (Output_segment::add_output_section): Group relro sections.
12416         (Output_segment::is_first_section_relro): New function.
12417         (Output_segment::maximum_alignment): If there is a relro section,
12418         align the segment to the common page size.
12419         (Output_segment::set_section_addresses): Track whether we are
12420         looking at relro sections.  If the last section is a relro
12421         section, align to the common page size.
12422         (Output_segment::set_section_list_addresses): Add in_relro
12423         parameter.  Change all callers.  Align to the page size when
12424         moving from relro to non-relro section.
12425         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12426         segment.
12427         * output.h (class Output_section): Add is_relro_ and
12428         is_relro_local_ fields.
12429         (Output_section::is_relro): New function.
12430         (Output_section::set_is_relro): New function.
12431         (Output_section::is_relro_local): New function.
12432         (Output_section::set_is_relro_local): New function.
12433         (class Output_segment): Update declarations.
12434         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12435         * sparc.cc (Target_sparc::got_section): Likewise.
12436         * x86_64.cc (Target_x86_64::got_section): Likewise.
12437         * testsuite/relro_test_main.cc: New file.
12438         * testsuite/relro_test.cc: New file.
12439         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12440         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12441         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12442         (relro_test.so, relro_test_pic.o): New targets.
12443         * testsuite/Makefile.in: Rebuild.
12444
12445 2008-05-16  Ian Lance Taylor  <iant@google.com>
12446
12447         * output.cc (Output_segment::add_output_section): Remove front
12448         parameter.
12449         * output.h (class Output_segment): Remove
12450         add_initial_output_section and overloaded add_output_section.
12451         Update declaration of remaining add_output_section.
12452         * layout.cc (Layout::create_interp): Call add_output_section
12453         rather than add_initial_output_section.
12454         (Layout::finish_dynamic_section): Likewise.
12455
12456         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12457         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12458         know the dynamic type.
12459         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12460         field.  Initialize it in constructor.
12461         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12462         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12463         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12464         reloc.
12465
12466         * output.cc (Output_reloc::get_address): Change return type to
12467         Elf_Addr.
12468         * output.h (class Output_reloc): Update get_address declaration.
12469         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12470         for section addresses.
12471
12472 2008-05-09  Ian Lance Taylor  <iant@google.com>
12473
12474         PR 6493
12475         * gold.cc (gold_nomem): Use return value of write.
12476
12477 2008-05-08  Ian Lance Taylor  <iant@google.com>
12478
12479         * symtab.c (Symbol::init_base_output_data): Add version
12480         parameter.  Change all callers.
12481         (Symbol::init_base_output_segment): Likewise.
12482         (Symbol::init_base_constant): Likewise.
12483         (Symbol::init_base_undefined): Likewise.
12484         (Sized_symbol::init_output_data): Likewise.
12485         (Sized_symbol::init_output_segment): Likewise.
12486         (Sized_symbol::init_constant): Likewise.
12487         (Sized_symbol::init_undefined): Likewise.
12488         (Symbol_table::do_define_in_output_data): If the new symbol has a
12489         version, mark it as the default.
12490         (Symbol_table::do_define_in_output_segment): Likewise.
12491         (Symbol_table::do_define_as_constant): Likewise.
12492         * symtab.h (class Symbol): Update declarations.
12493         (class Sized_symbol): Likewise.
12494         * resolve.cc (Symbol::override_version): New function.
12495         (Symbol::override_base): Call override_version.
12496         (Symbol::override_base_with_special): Likewise.
12497         * testsuite/ver_script_8.script: New file.
12498         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12499         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12500         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12501         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12502
12503 2008-05-06  Ian Lance Taylor  <iant@google.com>
12504
12505         PR 6049
12506         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12507         functions.
12508         (class General_options): Remove existing --undefined, and add
12509         --no-undefined instead.  Add new --undefined as synonym for -u.
12510         * archive.cc (Archive::add_symbols): Check whether symbol was
12511         named with -u.
12512         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12513         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12514         all uses.  Add IS_UNDEFINED.  Update declarations to split
12515         different versions of init_base.  Declare init_base_undefined.
12516         (Symbol::is_defined): Handle IS_UNDEFINED.
12517         (Symbol::is_undefined): Likewise.
12518         (Symbol::is_weak_undefined): Call is_undefined.
12519         (Symbol::is_absolute): Handle IS_CONSTANT.
12520         (class Sized_symbol): Update declarations to split different
12521         versions of init.  Declare init_undefined.
12522         (class Symbol_table): Declare new functions.
12523         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12524         Change all callers.
12525         (Symbol::init_base_output_data): Likewise.
12526         (Symbol::init_base_output_segment): Likewise.
12527         (Symbol::init_base_constant): Likewise.
12528         (Symbol::init_base_undefined): New function.
12529         (Sized_symbol::init_object): Rename from init.  Change all
12530         callers.
12531         (Sized_symbol::init_output_data): Likewise.
12532         (Sized_symbol::init_output_segment): Likewise.
12533         (Sized_symbol::init_constant): Likewise.
12534         (Sized_symbol::init_undefined): New function.
12535         (Symbol_table::add_undefined_symbols_from_command_line): New
12536         function.
12537         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12538         function.
12539         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12540         (Symbol::output_section): Likewise.
12541         (Symbol::set_output_section): Likewise.
12542         (Symbol_table::sized_finalize_symbol): Likewise.
12543         (Symbol_table::sized_write_globals): Likewise.
12544         * resolve.cc (Symbol_table::should_override): Likewise.
12545         (Symbol::override_base_with_special): Likewise.
12546
12547         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12548         symbol, change it to have default visibility.
12549         * testsuite/protected_1.cc: New file.
12550         * testsuite/protected_2.cc: New file.
12551         * testsuite/protected_3.cc: New file.
12552         * testsuite/protected_main_1.cc: New file.
12553         * testsuite/protected_main_2.cc: New file.
12554         * testsuite/protected_main_3.cc: New file.
12555         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12556         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12557         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12558         (protected_1.so): New target.
12559         (protected_1_pic.o, protected_2_pic.o): New targets.
12560         (protected_3_pic.o): New target.
12561         (check_PROGRAMS): Add protected_2.
12562         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12563         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12564         * testsuite/Makefile.in: Rebuild.
12565
12566         * options.h (DEFINE_var): Add set_user_set_##varname__.
12567         (DEFINE_bool_alias): New macro.
12568         (class General_options): Define -Bstatic using DEFINE_bool_alias
12569         rather than DEFINE_special.  Add --undefined as an alias for -z
12570         defs.
12571         * options.cc (General_options::parse_Bstatic): Remove.
12572
12573         * options.h (class General_options): Add --fatal-warnings.
12574         * main.cc (main): Implement --fatal-warnings.
12575         * errors.h (Errors::warning_count): New function.
12576
12577         * options.h (class General_options): Add -Bsymbolic-functions.
12578         * symtab.h (Symbol::is_preemptible): Check for
12579         -Bsymbolic-functions.
12580
12581 2008-05-05  Ian Lance Taylor  <iant@google.com>
12582
12583         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12584         as noVARNAME rather than no-VARNAME.
12585         (class General_options): Add option -z combreloc.
12586         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12587         get_address.
12588         (Output_reloc::sort_before) [SHT_REL]: New function.
12589         (Output_reloc::sort_before) [SHT_RELA]: New function.
12590         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12591         Sort_relocs_comparison.
12592         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12593         parameter.  Change all callers.
12594         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12595         sort_relocs parameter.  Change all callers.
12596         * output.cc (Output_reloc::get_address): New function, broken out
12597         of write_rel.
12598         (Output_reloc::write_rel): Call it.
12599         (Output_reloc::compare): New function.
12600         (Output_data_reloc_base::do_write): Optionally sort relocs.
12601
12602         * configure.ac: If targ_extra_obj is set, link it in.
12603         * configure.tgt: Initialize all variables.
12604         (x86_64*): Set targ_extra_obj and targ_extra_size.
12605         * configure: Rebuild.
12606
12607         * object.cc (Sized_relobj::include_section_group): Adjust section
12608         indexes read from group data.  Build vector to pass to
12609         layout_group.
12610         * layout.cc (Layout::layout_group): Add flags and shndxes
12611         parameters.  Remove contents parameter.  Change caller.  Update
12612         explicit instantiations.
12613         * layout.h (class Layout): Update layout_group declaration.
12614         * output.cc (Output_data_group::Output_data_group): Add flags and
12615         input_shndxes parameters.  Remove contents parameter.  Change
12616         caller.
12617         (Output_data_group::do_write): Change input_sections_ to
12618         input_shndxes_.
12619         * output.h (class Output_data_group): Update constructor
12620         declaration.  Rename input_sections_ to input_shndxes_.
12621         * testsuite/many_sections_test.cc: Add template.
12622
12623 2008-04-30  Cary Coutant  <ccoutant@google.com>
12624
12625         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12626
12627         * layout.cc (Layout::include_section): Refactored check for debug
12628         info section.
12629         (Layout::add_comdat): Add new parameters.  Change type
12630         of signature parameter.  Add object and shndx to signatures table.
12631         (Layout::find_kept_object): New function.
12632         * layout.h: Include <cstring>.
12633         (Layout::is_debug_info_section): New function.
12634         (Layout::add_comdat): Add new parameters.
12635         (Layout::find_kept_object): New function.
12636         (Layout::Kept_section): New struct.
12637         (Layout::Signatures): Change type of map range.
12638         * object.cc (Relobj::output_section_address): New function.
12639         (Sized_relobj::include_section_group): Add new parameters.  Change
12640         calls to Layout::add_comdat.  Change to build table of kept comdat
12641         groups and table mapping discarded sections to kept sections.
12642         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12643         (Sized_relobj::do_layout): Change calls to include_section_group and
12644         include_linkonce_section.
12645         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12646         value to zero when section is discarded.
12647         (Sized_relobj::map_to_kept_section): New function.
12648         * object.h (Relobj::output_section_address): New function.
12649         (Relobj::Comdat_group): New type.
12650         (Relobj::find_comdat_group): New function.
12651         (Relobj::Comdat_group_table): New type.
12652         (Relobj::Kept_comdat_section): New type.
12653         (Relobj::Kept_comdat_section_table): New type.
12654         (Relobj::add_comdat_group): New function.
12655         (Relobj::set_kept_comdat_section): New function.
12656         (Relobj::get_kept_comdat_section): New function.
12657         (Relobj::comdat_groups_): New field.
12658         (Relobj::kept_comdat_sections_): New field.
12659         (Symbol_value::input_value): Update comment.
12660         (Sized_relobj::map_to_kept_section) New function.
12661         (Sized_relobj::include_linkonce_section): Add new parameter.
12662         * target-reloc.h (Comdat_behavior): New type.
12663         (get_comdat_behavior): New function.
12664         (relocate_section): Add code to map a discarded section to the
12665         corresponding kept section when applying a relocation.
12666
12667 2008-04-30  Craig Silverstein  <csilvers@google.com>
12668
12669         * dwarf_reader.cc (next_generation_count): New static var.
12670         (Addr2line_cache_entry): New struct.
12671         (addr2line_cache): New static var.
12672         (Dwarf_line_info::one_addr2line): Added caching.
12673         (Dwarf_line_info::clear_addr2line_cache): New function.
12674         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12675         cache-size parameter.
12676         (Dwarf_line_info::one_addr2line_cache): New function.
12677         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12678         new cache-size argument to one_addr2line(), and clear cache.
12679
12680 2008-04-28  Cary Coutant  <ccoutant@google.com>
12681
12682         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12683         R_386_PC8 relocations.
12684
12685 2008-04-23  Ian Lance Taylor  <iant@google.com>
12686
12687         * object.cc (Sized_relobj::include_section_group): Check for
12688         invalid section group.
12689
12690         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12691         header size.
12692
12693         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12694         than read for file header.
12695         * archive.cc (Archive::include_member): Likewise.
12696
12697 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12698
12699         * aclocal.m4: Regenerate.
12700         * configure: Regenerate.
12701
12702 2008-04-19  Ian Lance Taylor  <iant@google.com>
12703
12704         * version.cc (version_string): Bump to 1.6.
12705
12706         * testsuite/Makefile.am (many_sections_r_test): New target.
12707         (many_sections_r_test_SOURCES): Remove.
12708         (many_sections_r_test_DEPENDENCIES): Remove.
12709         (many_sections_r_test_LDFLAGS): Remove.
12710         (many_sections_r_test_LDADD): Remove.
12711
12712         * object.cc (Sized_relobj::do_add_symbols): Always pass
12713         local_symbol_count_ to add_from_relobj.
12714
12715         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12716         every thousand variables.
12717         * testsuite/Makefile.in: Rebuild.
12718
12719         * object.cc (Xindex::initialize_symtab_xindex): New function.
12720         (Xindex::read_symtab_xindex): New function.
12721         (Xindex::sym_xindex_to_shndx): New function.
12722         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12723         available.
12724         (Sized_relobj::do_initialize_xindex): New function.
12725         (Sized_relobj::do_read_symbols): Adjust section links.
12726         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12727         parameter.  Change all callers.
12728         (Sized_relobj::include_section_group): Adjust section links and
12729         symbol section indexes.
12730         (Sized_relobj::do_layout): Adjust section links.
12731         (Sized_relobj::do_count_local_symbols): Adjust section links and
12732         symbol section indexes.
12733         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12734         ordinary and special symbols.
12735         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12736         dynsym_xindex parameters.  Change all callers.  Adjust section
12737         links.  Use SHN_XINDEX when needed.
12738         (Sized_relobj::get_symbol_location_info): Adjust section links.
12739         Don't get fooled by special symbols.
12740         * object.h (class Xindex): Define.
12741         (class Object): Add xindex_ parameter.  Declare virtual functoin
12742         do_initialize_xindex.
12743         (Object::adjust_sym_shndx): New function.
12744         (Object::set_xindex): New protected function.
12745         (class Symbol_value): Add is_ordinary_shndx_ field.
12746         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12747         (Symbol_value::value): Assert ordinary section.
12748         (Symbol_value::initialize_input_to_output_map): Likewise.
12749         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12750         Change all callers.
12751         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12752         all callers.
12753         (class Sized_relobj): Update declarations.
12754         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12755         parameter.  Change all callers.
12756         (Sized_relobj::adjust_shndx): New function.
12757         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12758         field.
12759         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12760         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12761         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12762         (Sized_dynobj::read_dynsym_section): Adjust section links.
12763         (Sized_dynobj::read_dynamic): Likewise.
12764         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12765         section links.
12766         (Sized_dynobj::do_initialize_xindex): New function.
12767         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12768         do_initialize_xindex.
12769         (Sized_dynobj::adjust_shndx): New function.
12770         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12771         dynsym_xindex_ fields.
12772         (Layout::finalize): Add a call to set_section_indexes before
12773         creating the symtab sections.
12774         (Layout::set_section_indexes): Don't do anything if the section
12775         already has a section index.
12776         (Layout::create_symtab_sections): Add shnum parameter.  Change
12777         caller.  Create .symtab_shndx section if needed.
12778         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12779         caller.
12780         (Layout::allocated_output_section_count): New function.
12781         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12782         needed.
12783         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12784         fields.  Update declarations.
12785         (Layout::symtab_xindex): New function.
12786         (Layout::dynsym_xindex): New function.
12787         (class Write_symbols_task): Add layout_ field.
12788         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12789         Change caller.
12790         * output.cc (Output_section_headers::Output_section_headers): Add
12791         shstrtab_section parameter.  Change all callers.
12792         (Output_section_headers::do_sized_write): Store overflow values
12793         for section count and section string table section index in
12794         section header zero.
12795         (Output_file_header::do_sized_write): Check for overflow of
12796         section count and section string table section index.
12797         (Output_symtab_xindex::do_write): New function.
12798         (Output_symtab_xindex::endian_do_write): New function.
12799         * output.h (class Output_section_headers): Add shstrtab_section_.
12800         Update declarations.
12801         (class Output_symtab_xindex): Define.
12802         (Output_section::has_out_shndx): New function.
12803         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12804         field.
12805         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12806         Change all callers.
12807         (Sized_symbol::init): Likewise.
12808         (Symbol::output_section): Check for ordinary symbol.
12809         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12810         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12811         callers.
12812         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12813         Change all callers.  Simplify handling of symbols from sections
12814         not included in the link.
12815         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12816         distinction.
12817         (Weak_alias_sorter::operator()): Assert that symbols are
12818         ordinary.
12819         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12820         distinction.
12821         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12822         parameters.  Change all callers.
12823         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12824         symbol distinction.  Use SHN_XINDEX when needed.
12825         (Symbol_table::write_section_symbol): Add symtab_xindex
12826         parameter.  Change all callers.
12827         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12828         SHN_XINDEX when needed.
12829         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12830         declarations.
12831         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12832         (Symbol::is_defined): Check is_ordinary.
12833         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12834         (Symbol::is_absolute, Symbol::is_common): Likewise.
12835         (class Sized_symbol): Update declarations.
12836         (class Symbol_table): Update declarations.
12837         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12838         parameters.  Change all callers.
12839         (Sized_symbol::override): Likewise.
12840         (Symbol_table::override): Likewise.
12841         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12842         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12843         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12844         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12845         to be in an ordinary section.
12846         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12847         object and is_ordinary parameters.  Change all callers.
12848         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12849         Change all callers.  Don't add undefined or non-ordinary symbols
12850         to reloc_map_.
12851         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12852         Change all callers.
12853         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12854         declarations.
12855         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12856         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12857         (Sized_relobj::relocate_sections): Likewise.
12858         * target-reloc.h (scan_relocs): Adjust section symbol index.
12859         (scan_relocatable_relocs): Likewise.
12860         * i386.cc (Scan::local): Check for ordinary symbols.
12861         * sparc.cc (Scan::local): Likewise.
12862         * x86_64.cc (Scan::local): Likewise.
12863         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12864         to symbol_section_and_value.
12865         * testsuite/many_sections_test.cc: New file.
12866         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12867         (check_PROGRAMS): Add many_sections_test.
12868         (many_sections_test_SOURCES): Define.
12869         (many_sections_test_DEPENDENCIES): Define.
12870         (many_sections_test_LDFLAGS): Define.
12871         (BUILT_SOURCES): Add many_sections_define.h.
12872         (many_sections_define.h): New target.
12873         (BUILT_SOURCES): Add many_sections_check.h.
12874         (many_sections_check.h): New target.
12875         (check_PROGRAMS): Add many_sections_r_test.
12876         (many_sections_r_test_SOURCES): Define.
12877         (many_sections_r_test_DEPENDENCIES): Define.
12878         (many_sections_r_test_LDFLAGS): Define.
12879         (many_sections_r_test_LDADD): Define.
12880         (many_sections_r_test.o): New target.
12881         * testsuite/Makefile.in: Rebuild.
12882
12883 2008-04-17  Cary Coutant  <ccoutant@google.com>
12884
12885         * errors.cc (Errors::info): New function.
12886         (gold_info): New function.
12887         * errors.h (Errors::info): New function.
12888         * gold.h (gold_info): New function.
12889         * object.cc (Input_objects::add_object): Print trace output.
12890         * options.cc (options::parse_set): New function.
12891         (General_options::parse_wrap): Deleted.
12892         (General_options::General_options): Deleted initializer.
12893         * options.h (options::String_set): New typedef.
12894         (options::parse_set): New function.
12895         (DEFINE_set): New macro.
12896         (General_options::wrap): Changed to use DEFINE_set. Changed
12897         callers of any_wrap_symbols and is_wrap_symbol.
12898         (General_options::trace, General_options::trace_symbol):
12899         New options.
12900         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12901         (General_options::wrap_symbols_): Deleted.
12902         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12903
12904 2008-04-17  David S. Miller  <davem@davemloft.net>
12905
12906         * options.cc (General_options::parse_V): New function.
12907         * options.h: Add entries for -V and -Qy.
12908
12909 2008-04-17  Ian Lance Taylor  <iant@google.com>
12910
12911         * common.cc (Symbol_table::allocate_commons): Remove options
12912         parameter.  Change caller.
12913         (Symbol_table::do_allocate_commons): Remove options parameter.
12914         Change caller.  Just call do_allocate_commons_list twice.
12915         (Symbol_table::do_allocate_commons_list): New function, broken out
12916         of do_allocate_commons.
12917         * common.h (class Allocate_commons_task): Remove options_ field.
12918         Update constructor.
12919         * symtab.cc (Symbol_table::Symbol_table): Initialize
12920         tls_commons_.
12921         (Symbol_table::add_from_object): Put TLS common symbols on
12922         tls_commons_ list.
12923         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12924         which are IN_OUTPUT_DATA.
12925         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12926         allocate_commons and do_allocate_commons declarations.  Declare
12927         do_allocate_commons_list.
12928         * gold.cc (queue_middle_tasks): Update creation of
12929         Allocate_commons_task to not pass options.
12930         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12931         (TLS_TEST_C_FLAGS): New variable.
12932         (tls_test_c_pic.o): New target.
12933         (tls_test_shared.so): Link in tls_test_c_pic.o.
12934         (tls_test_c_pic_ie.o): New target.
12935         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12936         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12937         (tls_test_c.o): New target.
12938         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12939         (tls_pic_test_LDADD): Likewise.
12940         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12941         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12942         (tls_test_c_gnu2.o): New target.
12943         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12944         tls_test_c_gnu2.o.
12945         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12946         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12947         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12948         * testsuite/tls_test.cc: Include "config.h".
12949         (t_last): Call t11_last.
12950         * testsuite/tls_test.h (t11, t11_last): Declare.
12951         * testsuite/tls_test_c.c: New file.
12952         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12953         * configure.ac: Check for OpenMP support.
12954         * configure, config.in, Makefile.in: Rebuild.
12955         * testsuite/Makefile.in: Rebuild.
12956
12957 2008-04-16  Cary Coutant  <ccoutant@google.com>
12958
12959         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12960         (Target_i386::tls_base_symbol_defined_): New field.
12961         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12962         (Target_i386::Scan::global): Likewise.
12963         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12964         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12965         (Target_x86_64::tls_base_symbol_defined_): New field.
12966         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12967         (Target_x86_64::Scan::global): Likewise.
12968
12969 2008-04-16  Cary Coutant  <ccoutant@google.com>
12970
12971         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12972         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12973         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12974         building shared libraries.
12975         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12976         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12977         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12978         * testsuite/Makefile.in: Rebuild.
12979         * testsuite/weak_undef.h: New file.
12980         * testsuite/weak_undef_file1.cc: Add extra test cases.
12981         * testsuite/weak_undef_file2.cc: Likewise.
12982         * testsuite/weak_undef_test.cc: Likewise.
12983
12984 2008-04-16  David S. Miller  <davem@davemloft.net>
12985
12986         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12987         Add issued_non_pic_error_ field.  Declare check_non_pic.
12988         (Target_sparc::Scan::check_non_pic): New function.
12989         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12990         (Target_sparc::Scan::global): Likewise.
12991
12992         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12993         * configure: Rebuild.
12994
12995         * options.h (DEFINE_enable): New macro.
12996         (new_dtags): New enable option.
12997         (initfirst, interpose, loadfltr, nodefaultlib,
12998         nodelete, nodlopen, nodump): New -z options.
12999         * layout.cc (Layout:finish_dynamic_section): If new
13000         dtags enabled, emit DT_RUNPATH.  Also, emit a
13001         DT_FLAGS_1 containing any specified -z flags.
13002
13003 2008-04-16  Ian Lance Taylor  <iant@google.com>
13004
13005         * copy-relocs.cc: New file.
13006         * copy-relocs.h: New file.
13007         * reloc.cc: Remove Copy_relocs code.
13008         * reloc.h: Likewise.
13009         * reloc-types.h (struct Reloc_types) [both versions]: Add
13010         get_reloc_addend_noerror.
13011         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13012         variants of add_global which take an addend which must be zero.
13013         * i386.cc: Include "copy-relocs.h".
13014         (class Target_i386): Change type of copy_relocs_ to variable,
13015         update initializer.
13016         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13017         Change all callers.
13018         (Target_i386::do_finalize_sections): Change handling of
13019         copy_relocs_.
13020         * sparc.cc: Include "copy-relocs.h".
13021         (class Target_sparc): Change type of copy_relocs_ to variable,
13022         update initializer.
13023         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13024         Change all callers.
13025         (Target_sparc::do_finalize_sections): Change handling of
13026         copy_relocs_.
13027         * x86_64.cc: Include "copy-relocs.h".
13028         (class Target_x86_64): Change type of copy_relocs_ to variable,
13029         update initializer.
13030         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13031         class.  Change all callers.
13032         (Target_x86_64::do_finalize_sections): Change handling of
13033         copy_relocs_.
13034         * Makefile.am (CCFILES): Add copy-relocs.cc.
13035         (HFILES): Add copy-relocs.h.
13036
13037         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13038
13039         * testsuite/script_test_4.sh: Permit leading zeroes.
13040
13041 2008-04-15  Ian Lance Taylor  <iant@google.com>
13042
13043         * script-sections.cc (Script_sections::create_segments): Use
13044         header_size_adjustment even when there is enough room for the
13045         headers.
13046         * testsuite/script_test_4.sh: New file.
13047         * testsuite/script_test_4.t: New file.
13048         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13049         (check_DATA): Add script_test_4.stdout.
13050         (MOSTLYCLEANFILES): Likewise.
13051         (script_test_4): New target.
13052         (script_test_4.stdout): New target.
13053         * testsuite/Makefile.in: Rebuild.
13054
13055         * sparc.cc: Add definitions for Output_data_plt_sparc class
13056         constants.
13057
13058 2008-04-14  David S. Miller  <davem@davemloft.net>
13059
13060         * sparc.cc: New file.
13061         * Makefile.am (TARGETSOURCES): Add sparc.cc
13062         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13063         * configure.tgt: Document targ_extra_size and
13064         targ_extra_big_endian.  Add entries for sparc-* and
13065         sparc64-*.
13066         * configure.ac: Handle targ_extra_size and
13067         targ_extra_big_endian.
13068         * Makefile.in: Rebuild.
13069         * configure: Likewise.
13070         * po/POTFILES.in: Likewise.
13071         * po/gold.pot: Likewise.
13072
13073 2008-04-14  Ian Lance Taylor  <iant@google.com>
13074
13075         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13076         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13077         in the name/type/flags to section mapping.  Don't call
13078         allocate_output_section.
13079         (Layout::choose_output_section): Change parameter from adjust_name
13080         to is_input_section.  Don't permit input sections after sections
13081         are attached to segments.  Don't call allocate_output_section.
13082         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13083         not write_enable_output_section.
13084         (Layout::make_output_section): Don't push to
13085         unattached_section_list_ nor call attach_to_segment.  Call
13086         attach_section_to_segment if sections are attached.
13087         (Layout::attach_sections_to_segments): New function.
13088         (Layout::attach_section_to_segment): New function.
13089         (Layout::attach_allocated_section_to_segment): Rename from
13090         attach_to_segment.  Remove flags parameter.
13091         (Layout::allocate_output_section): Remove function.
13092         (Layout::write_enable_output_section): Remove function.
13093         * layout.h (class Layout): Update for above changes.  Add new
13094         field sections_are_attached_.
13095         * output.h (Output_section::update_flags_for_input_section): New
13096         function.
13097         * output.cc (Output_section::add_input_section): Call
13098         update_flags_for_input_section.
13099         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13100
13101 2008-04-11  Cary Coutant  <ccoutant@google.com>
13102
13103         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13104         thought unnecessary.
13105         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13106
13107 2008-04-11  Ian Lance Taylor  <iant@google.com>
13108
13109         * output.h (class Output_section_data): Remove inline definition
13110         of set_addralign.
13111         * output.cc (Output_section_data::set_addralign): New function.
13112
13113 2008-04-11  Cary Coutant  <ccoutant@google.com>
13114
13115         Add support for TLS descriptors for i386 and x86_64.
13116         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13117         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13118         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13119         GOT_TYPE_TLS_DESC.
13120         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13121         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13122         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13123         relocations.
13124         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13125         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13126         Fix problem with initial-exec relocations.
13127         (Target_i386::Relocate::relocate_tls): Likewise.
13128         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13129         relaxation.
13130         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13131         support for section-plus-offset dynamic table entries.
13132         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13133         (Output_data_dynamic::Dynamic_entry): Add support for
13134         section-plus-offset dynamic table entries.
13135         (Output_data_dynamic::Classification): Likewise.
13136         (Output_data_dynamic::classification_): Renamed offset_.
13137         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13138         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13139         (Target_x86_64::make_plt_section): New function.
13140         (Target_x86_64::reserve_tlsdesc_entries): New function.
13141         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13142         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13143         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13144         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13145         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13146         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13147         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13148         add extra PLT entry for TLS descriptors.
13149         (Output_data_plt_x86_64::got_): New field.
13150         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13151         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13152         fields.
13153         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13154         descriptors.
13155         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13156         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13157         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13158         R_386_TLS_DESC_CALL relocations.
13159         (Target_x86_64::Scan::global): Likewise.
13160         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13161         for TLS descriptors.
13162         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13163         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13164         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13165         GD-to-IE relaxation.
13166         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13167         and TLS_DESCRIPTORS.
13168         * Makefile.in: Rebuild.
13169         * configure: Rebuild.
13170         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13171         (tls_test_shared2.so): New target.
13172         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13173         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13174         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13175         (tls_shared_gd_to_ie_test_LDADD): New variable.
13176         (tls_shared_gnu2_gd_to_ie_test): New target.
13177         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13178         New targets.
13179         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13180         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13181         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13182         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13183         (tls_shared_gnu2_test): New target.
13184         (tls_test_gnu2_shared.so): New target.
13185         (tls_shared_gnu2_test_SOURCES): New variable.
13186         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13187         (tls_shared_gnu2_test_LDFLAGS): New variable.
13188         (tls_shared_gnu2_test_LDADD): New variable.
13189         * testsuite/Makefile.in: Rebuild.
13190         * testsuite/Makefile.
13191
13192 2008-04-11  Ian Lance Taylor  <iant@google.com>
13193
13194         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13195         justsyms.t.
13196         * testsuite/Makefile.in: Rebuild.
13197
13198         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13199         long.
13200         * testsuite/script_test_2.cc (main): Adjust test.
13201
13202 2008-04-11  David S. Miller  <davem@davemloft.net>
13203             Ian Lance Taylor  <iant@google.com>
13204
13205         * options.h (General_options): Add entries for '-Y' and
13206         '-relax'.
13207         * options.cc (General_options:finalize): If -Y was used, add those
13208         entries to the library path instead of the default "/lib" and
13209         "/usr/lib".
13210
13211 2008-04-11  David S. Miller  <davem@davemloft.net>
13212
13213         * testsuite/justsyms.t: Start at 0x100.
13214         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13215         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13216         long.
13217         * testsuite/script_test_2.cc: Adjust string and section length
13218         checks.
13219
13220 2008-04-09  Ian Lance Taylor  <iant@google.com>
13221
13222         PR gold/5996
13223         * script-sections.cc (Sections_element::allocate_to_segment): Add
13224         orphan parameter.
13225         (Output_section_definition::allocate_to_segment): Likewise.
13226         (Orphan_output_section::allocate_to_segment): Likewise.
13227         (Script_sections::attach_sections_using_phdrs_clause): Don't
13228         propagate non-PT_LOAD segments to orphan sections.
13229         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13230         readelf rather than objdump.
13231         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13232         .interp section and PT_INTERP segment are the same size.
13233         * testsuite/Makefile.in: Rebuild.
13234
13235         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13236         aliases for symbols defined in the same object.
13237         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13238         (weak_alias_test_SOURCES): New variable.
13239         (weak_alias_test_DEPENDENCIES): New variable.
13240         (weak_alias_test_LDFLAGS): New variable.
13241         (weak_alias_test_LDADD): New variable.
13242         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13243         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13244         (weak_alias_test_3.o): New target.
13245         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13246         * testsuite/weak_alias_test_main.cc: New file.
13247         * testsuite/weak_alias_test_1.cc: New file.
13248         * testsuite/weak_alias_test_2.cc: New file.
13249         * testsuite/weak_alias_test_3.cc: New file.
13250
13251 2008-04-08  Ian Lance Taylor  <iant@google.com>
13252
13253         * options.h (class General_options): Add --noinhibit-exec option.
13254         * main.cc (main): Check --noinhibit-exec.
13255
13256         * options.h (class General_options): Define --wrap as a special
13257         option.  Add wrap_symbols_ field.
13258         (General_options::any_wrap_symbols): New function.
13259         (General_options::is_wrap_symbol): New function.
13260         * options.cc (General_options::parse_wrap): New function.
13261         (General_options::General_options): Initialize wrap_symbols_.
13262         * symtab.cc (Symbol_table::wrap_symbol): New function.
13263         (Symbol_table::add_from_object): Handle --wrap.
13264         * symtab.h (class Symbol_table): Declare wrap_symbol.
13265         * target.h (Target::wrap_char): New function.
13266         (Target::Target_info): Add wrap_char field.
13267         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13268         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13269         * testsuite/testfile.cc (Target_test::test_target_info):
13270         Likewise.
13271
13272         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13273         there is one.
13274
13275         * layout.h (class Layout): Add added_eh_frame_data_ field.
13276         * layout.cc (Layout::Layout): Initialize new field.
13277         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13278         output section until we find a section we merged successfully.
13279         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13280         that the size be non-zero.
13281
13282         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13283         qualifier.
13284
13285 2008-04-08  Craig Silverstein  <csilvers@google.com>
13286
13287         * configure.ac: Export new conditional variable HAVE_ZLIB.
13288         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13289         on HAVE_ZLIB.
13290         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13291         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13292
13293 2008-04-07  Ian Lance Taylor  <iant@google.com>
13294
13295         * version.cc (version_string): Set to "1.5".
13296
13297         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13298         Add issued_non_pic_error_ field.  Declare check_non_pic.
13299         (Target_x86_64::Scan::check_non_pic): New function.
13300         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13301         (Target_x86_64::Scan::global): Likewise.
13302
13303         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13304         addend parameter.  Change caller.  Handle merge sections.
13305         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13306         Address to Addend.  Don't add in the result of
13307         local_section_offset, pass down the addend and use the returned
13308         value.
13309         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13310         Update declarations of local_section_offset and symbol_value.
13311         * testsuite/two_file_test_1.cc (t18): New function.
13312         * testsuite/two_file_test_2.cc (f18): New function.
13313         * testsuite/two_file_test_main.cc (main): Call t18.
13314         * testsuite/two_file_test.h (t18, f18): Declare.
13315
13316         * configure.ac: Don't test for objdump, c++filt, or readelf.
13317         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13318         conditionals.
13319         (TEST_READELF): New variable.
13320         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13321         (check_PROGRAMS): Add two_file_strip_test.
13322         (two_file_strip_test): New target.
13323         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13324         (two_file_same_shared_strip_test_SOURCES): New variable.
13325         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13326         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13327         (two_file_same_shared_strip_test_LDADD): New variable.
13328         (two_file_shared_strip.so): New target.
13329         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13330         (ver_test_5.syms, ver_test_7.syms): Likewise.
13331         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13332         (strip_test_3.stdout): Use TEST_OBJDUMP.
13333         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13334
13335 2008-04-04  Cary Coutant  <ccoutant@google.com>
13336
13337         * symtab.h (Symbol::is_weak_undefined): New function.
13338         (Symbol::is_strong_undefined): New function.
13339         (Symbol::is_absolute): New function.
13340         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13341         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13342         absolute symbols.
13343         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13344         (weak_undef_test): New target.
13345         * testsuite/Makefile.in: Rebuild.
13346         * testsuite/weak_undef_file1.cc: New file.
13347         * testsuite/weak_undef_file2.cc: New file.
13348         * testsuite/weak_undef_test.cc: New file.
13349
13350 2008-04-03  Craig Silverstein  <csilvers@google.com>
13351
13352         * compressed_output.h (class Output_compressed_section): Use
13353         unsigned buffer.
13354         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13355         add zlib header.
13356         (zlib_compressed_suffix): Removed.
13357         (Output_compressed_section::set_final_data_size): Use unsigned
13358         buffers.
13359         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13360         Fix linker invocation.
13361         (flagstest_o_specialfile_and_compress_debug_sections):
13362         Likewise.
13363         * testsuite/Makefile.in: Regenerated.
13364
13365 2008-04-02  David S. Miller  <davem@davemloft.net>
13366
13367         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13368         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13369
13370 2008-04-02  Craig Silverstein  <csilvers@google.com>
13371
13372         * TODO: New file.
13373
13374 2008-04-02  Ian Lance Taylor  <iant@google.com>
13375
13376         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13377         parameters.  Update for new key type to views_.  Change all
13378         callers.
13379         (File_read::read): Adjust for byteshift in returned view.
13380         (File_read::add_view): New function, broken out of
13381         find_and_make_view.
13382         (File_read::make_view): New function, broken out of
13383         find_and_make_view.
13384         (File_read::find_or_make_view): Add offset and aligned
13385         parameters.  Rewrite accordingly.  Change all callers.
13386         (File_read::get_view): Add offset and aligned parameters.  Adjust
13387         for byteshift in return value.
13388         (File_read::get_lasting_view): Likewise.
13389         * fileread.h (class File_read): Update declarations.
13390         (class File_read::View): Add byteshift_ field.  Add byteshift to
13391         constructor.  Add byteshift method.
13392         * archive.h (Archive::clear_uncached_views): New function.
13393         (Archive::get_view): Add aligned parameter.  Change all callers.
13394         * object.h (Object::get_view): Add aligned parameter.  Change all
13395         callers.
13396         (Object::get_lasting_view): Likewise.
13397
13398         * fileread.cc (File_read::release): Don't call clear_views if
13399         there are multiple objects.
13400         * fileread.h (File_read::clear_uncached_views): New function.
13401         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13402         on the archive.
13403
13404 2008-03-31  Cary Coutant  <ccoutant@google.com>
13405
13406         Add thin archive support.
13407         * archive.cc (Archive::armagt): New const.
13408         (Archive::setup): Remove task parameter and calls to unlock.
13409         (Archive::unlock_nested_archives): New function.
13410         (Archive::read_header): Add nested_off parameter. Change
13411         all callers.
13412         (Archive::interpret_header): Likewise.
13413         (Archive::include_all_members): Change to handle thin
13414         archives.
13415         (Archive::include_member): Likewise.
13416         * archive.h (Archive::Archive): Add new parameters and
13417         initializers.
13418         (Archive::armagt): New const.
13419         (Archive::setup): Remove task parameter.
13420         (Archive::unlock_nested_archives): New function.
13421         (Archive::read_header): Add nested_off parameter.
13422         (Archive::interpret_header): Likewise.
13423         (Archive::Nested_archive_table): New typedef.
13424         (Archive::is_thin_archive_): New field.
13425         (Archive::nested_archives_): New field.
13426         (Archive::options_): New field.
13427         (Archive::dirpath_): New field.
13428         (Archive::task_): New field.
13429         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13430         for thin archives.  Pass additional parameters to
13431         Archive::Archive.  Unlock the archive file after calling
13432         Archive::setup.
13433
13434 2008-03-29  Ian Lance Taylor  <iant@google.com>
13435
13436         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13437         version symbol to be local.
13438         * testsuite/ver_test_4.sh: New file.
13439         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13440         (check_DATA): Add ver_test_4.syms.
13441         (ver_test_4.syms): New target.
13442         * testsuite/Makefile.in: Rebuild.
13443
13444         * output.cc
13445         (Output_section::Input_section_sort_entry::has_priority): New
13446         function.
13447         (Output_section::Input_section_sort_entry::match_file_name): New
13448         function.
13449         (Output_section::Input_section_sort_entry::match_section_name):
13450         Remove.
13451         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13452         Remove.
13453         (Output_section::Input_section_sort_entry::match_section_file):
13454         Remove.
13455         (Output_section::Input_section_sort_compare::operator()): Rewrite
13456         using new Input_section_sort_entry functions.  Sort crtbegin and
13457         crtend first.  Sort sections with no priority before sections with
13458         a priority.
13459         * testsuite/initpri1.c (d3): Check j != 4.
13460         (cd5): New constructor/destructor function.
13461         (main): Check j != 2.
13462
13463         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13464         new symbol when resolving, don't call set_is_default.
13465         * testsuite/ver_test_7.cc: New file.
13466         * testsuite/ver_test_7.sh: New file.
13467         * testsuite/Makefile.am (ver_test_7.so): New target.
13468         (ver_test_7.o): New target.
13469         (check_SCRIPTS): Add ver_test_7.sh.
13470         (check_DATA): Add ver_test_7.syms.
13471         (ver_test_7.syms): New target.
13472
13473 2008-03-28  Ian Lance Taylor  <iant@google.com>
13474
13475         * layout.cc (Layout::layout): If we see an input section with a
13476         name that needs sorting, set the must_sort flag for the output
13477         section.
13478         (Layout::make_output_section): If the name of the output section
13479         indicates that it might require sorting, set the may_sort flag.
13480         * output.h (Output_section::may_sort_attached_input_sections): New
13481         function.
13482         (Output_section::set_may_sort_attached_input_sections): New
13483         function.
13484         (Output_section::must_sort_attached_input_sections): New
13485         function.
13486         (Output_section::set_must_sort_attached_input_sections): New
13487         function.
13488         (class Output_section): Declare Input_section_sort_entry.  Define
13489         Input_section_sort_compare.  Declare
13490         sort_attached_input_sections.  Add new fields:
13491         may_sort_attached_input_sections_,
13492         must_sort_attached_input_sections_,
13493         attached_input_sections_are_sorted_.
13494         * output.cc (Output_section::Output_section): Initialize new
13495         fields.
13496         (Output_section::add_input_section): Add an entry to
13497         input_sections_ if may_sort or must_sort are true.
13498         (Output_section::set_final_data_size): Call
13499         sort_attached_input_sections if necessary.
13500         (Output_section::Input_section_sort_entry): Define new class.
13501         (Output_section::Input_section_sort_compare::operator()): New
13502         function.
13503         (Output_section::sort_attached_input_sections): New function.
13504         * configure.ac: Check whether the compiler supports constructor
13505         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13506         * testsuite/initpri1.c: New file.
13507         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13508         CONSTRUCTOR_PRIORITY.
13509         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13510         (initpri1_LDFLAGS): New variable.
13511         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13512
13513 2008-03-27  Ian Lance Taylor  <iant@google.com>
13514
13515         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13516         * testsuite/common_test_1.c: New file.
13517         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13518         (common_test_1_SOURCES): New variable.
13519         (common_test_1_DEPENDENCIES): New variable.
13520         (common_test_1_LDFLAGS): New variable.
13521
13522         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13523         and commons_ correctly when NAME/VERSION does not override
13524         NAME/NULL.
13525         * testsuite/ver_test_6.c: New file.
13526         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13527         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13528         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13529
13530 2008-03-26  Ian Lance Taylor  <iant@google.com>
13531
13532         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13533         of an undefined symbol from a version script.
13534         * testsuite/Makefile.am (ver_test_5.so): New target.
13535         (ver_test_5.o): New target.
13536         (check_SCRIPTS): Add ver_test_5.sh.
13537         (check_DATA): Add ver_test_5.syms.
13538         (ver_test_5.syms): New target.
13539         * testsuite/ver_test_5.cc: New file.
13540         * testsuite/ver_test_5.script: New file.
13541         * testsuite/ver_test_5.sh: New file.
13542         * Makefile.in, testsuite/Makefile.in: Rebuild.
13543
13544         PR gold/5986
13545         Fix problems building gold with gcc 4.3.0.
13546         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13547         (gold_error_at_location, gold_warning_at_location): Use it.
13548         * configure.ac: Check whether we can compile and use a template
13549         function with a printf attribute.
13550         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13551         when jumping over bytes.
13552         * object.cc: Instantiate Object::read_section_data.
13553         * debug.h: Include <cstring>
13554         * dwarf_reader.cc: Include <algorithm>
13555         * main.cc: Include <cstring>.
13556         * options.cc: Include <cstring>.
13557         * output.cc: Include <cstring>.
13558         * script.cc: Include <cstring>.
13559         * script.h: Include <string>.
13560         * symtab.cc: Include <cstring> and <algorithm>.
13561         * target-select.cc: Include <cstring>.
13562         * version.cc: Include <string>.
13563         * testsuite/testmain.cc: Include <cstdlib>.
13564         * configure, config.in: Rebuild.
13565
13566 2008-03-25  Ian Lance Taylor  <iant@google.com>
13567
13568         * options.cc: Include "../bfd/bfdver.h".
13569         (options::help): Print bug reporting address.
13570
13571         * version.cc (print_version): Adjust output for current value of
13572         BFD_VERSION_STRING.
13573
13574         * NEWS: New file.
13575
13576         * options.cc (options::help): Print list of supported targets.
13577         * target-select.h: Include <vector>.
13578         (class Target_selector): Make machine_, size_, and is_big_endian_
13579         fields const.  Add bfd_name_ and instantiated_target_ fields.
13580         (Target_selector::Target_selector): Add bfd_name parameter.
13581         (Target_selector::recognize): Make non-virtual, call
13582         do_recognize.
13583         (Target_selector::recognize_by_name): Make non-virtual, call
13584         do_recognize_by_name.
13585         (Target_selector::supported_names): New function.
13586         (Target_selector::bfd_name): New function.
13587         (Target_selector::do_instantiate_target): New pure virtual
13588         function.
13589         (Target_selector::do_recognize): New virtual function.
13590         (Target_selector::do_recognize_by_name): New virtual function.
13591         (Target_selector::instantiate_target): New private function.
13592         (supported_target_names): Declare.
13593         * target-select.cc (Target_selector::Target_selector): Update for
13594         new parameter and fields.
13595         (select_target_by_name): Check that the name matches before
13596         calling recognize_by_name.
13597         (supported_target_names): New function.
13598         * i386.cc (class Target_selector_i386): Update Target_selector
13599         constructor call.  Remove recognize and recognize_by_name.  Add
13600         do_instantiate_target.
13601         * x86_64.cc (class Target_selector_x86_64): Likewise.
13602         * testsuite/testfile.cc (class Target_selector_test): Update for
13603         changes to Target_selector.
13604
13605         * README: Rewrite, with some notes on unsupported features.
13606
13607 2008-03-24  Cary Coutant  <ccoutant@google.com>
13608
13609         * i386.cc (Target_i386::Got_type): New enum declaration.
13610         (Target_i386::Scan::local): Updated callers of Output_data_got
13611         member functions.
13612         (Target_i386::Scan::global): Likewise.
13613         (Target_i386::Relocate::relocate): Likewise.
13614         (Target_i386::Relocate::relocate_tls): Likewise.
13615         * object.h (Got_offset_list): New class.
13616         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13617         (Sized_relobj::local_got_offset): Likewise.
13618         (Sized_relobj::set_local_got_offset): Likewise.
13619         (Sized_relobj::local_has_tls_got_offset): Removed.
13620         (Sized_relobj::local_tls_got_offset): Removed.
13621         (Sized_relobj::set_local_tls_got_offset): Removed.
13622         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13623         * output.cc (Output_data_got::add_global): Added got_type parameter.
13624         (Output_data_got::add_global_with_rel): Likewise.
13625         (Output_data_got::add_global_with_rela): Likewise.
13626         (Output_data_got::add_global_pair_with_rel): New function.
13627         (Output_data_got::add_global_pair_with_rela): New function.
13628         (Output_data_got::add_local): Added got_type parameter.
13629         (Output_data_got::add_local_with_rel): Likewise.
13630         (Output_data_got::add_local_with_rela): Likewise.
13631         (Output_data_got::add_local_pair_with_rel): New function.
13632         (Output_data_got::add_local_pair_with_rela): New function.
13633         (Output_data_got::add_global_tls): Removed.
13634         (Output_data_got::add_global_tls_with_rel): Removed.
13635         (Output_data_got::add_global_tls_with_rela): Removed.
13636         (Output_data_got::add_local_tls): Removed.
13637         (Output_data_got::add_local_tls_with_rel): Removed.
13638         (Output_data_got::add_local_tls_with_rela): Removed.
13639         * output.h (Output_data_got::add_global): Added got_type parameter.
13640         (Output_data_got::add_global_with_rel): Likewise.
13641         (Output_data_got::add_global_with_rela): Likewise.
13642         (Output_data_got::add_global_pair_with_rel): New function.
13643         (Output_data_got::add_global_pair_with_rela): New function.
13644         (Output_data_got::add_local): Added got_type parameter.
13645         (Output_data_got::add_local_with_rel): Likewise.
13646         (Output_data_got::add_local_with_rela): Likewise.
13647         (Output_data_got::add_local_pair_with_rel): New function.
13648         (Output_data_got::add_local_pair_with_rela): New function.
13649         (Output_data_got::add_global_tls): Removed.
13650         (Output_data_got::add_global_tls_with_rel): Removed.
13651         (Output_data_got::add_global_tls_with_rela): Removed.
13652         (Output_data_got::add_local_tls): Removed.
13653         (Output_data_got::add_local_tls_with_rel): Removed.
13654         (Output_data_got::add_local_tls_with_rela): Removed.
13655         * resolve.cc (Symbol::override_base_with_special): Removed
13656         reference to has_got_offset_ field.
13657         * symtab.cc (Symbol::init_fields): Replaced initialization
13658         of got_offset_ with got_offsets_.  Removed initialization
13659         of has_got_offset_
13660         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13661         (Symbol::got_offset): Likewise.
13662         (Symbol::set_got_offset): Likewise.
13663         (Symbol::has_tls_got_offset): Removed.
13664         (Symbol::tls_got_offset): Removed.
13665         (Symbol::set_tls_got_offset): Removed.
13666         (Symbol::got_offset_): Removed.
13667         (Symbol::tls_mod_got_offset_): Removed.
13668         (Symbol::tls_pair_got_offset_): Removed.
13669         (Symbol::got_offsets_): New field.
13670         (Symbol::has_got_offset): Removed.
13671         (Symbol::has_tls_mod_got_offset): Removed.
13672         (Symbol::has_tls_pair_got_offset): Removed.
13673         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13674         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13675         member functions.
13676         (Target_x86_64::Scan::global): Likewise.
13677         (Target_x86_64::Relocate::relocate): Likewise.
13678         (Target_x86_64::Relocate::relocate_tls): Likewise.
13679
13680 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13681
13682         * yyscript.y: Fix spelling error in comment.
13683
13684 2008-03-24  Ian Lance Taylor  <iant@google.com>
13685
13686         * options.h (class General_options): Define build_id option.
13687         * layout.h (class Layout): Declare write_build_id, create_note,
13688         create_build_id.  Add build_id_note_ member.
13689         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13690         "libiberty.h", "md5.h", "sha1.h".
13691         (Layout::Layout): Initialize eh_frame_data_,
13692         eh_frame_hdr_section_, and build_id_note_.
13693         (Layout::finalize): Call create_build_id.
13694         (Layout::create_note): New function, broken out of
13695         Layout::create_gold_note.
13696         (Layout::create_gold_note): Call create_note.
13697         (Layout::create_build_id): New function.
13698         (Layout::write_build_id): New function.
13699         (Close_task_runner::run): Call write_build_id.
13700
13701         * x86_64.cc: Correct license to GPLv3.
13702
13703 2008-03-23  Ian Lance Taylor  <iant@google.com>
13704
13705         * options.cc: Include "demangle.h".
13706         (parse_optional_string): New function.
13707         (parse_long_option): Handle takes_optional_argument.
13708         (parse_short_option): Update dash_z initializer.  Handle
13709         takes_optional_argument.
13710         (General_options::General_options): Initialize do_demangle_.
13711         (General_options::finalize): Set do_demangle_.  Handle demangling
13712         style.
13713         * options.h (parse_optional_string): Declare.
13714         (struct One_option): Add optional_arg field.  Update constructor.
13715         Update call constructor calls.  Add takes_optional_argument
13716         function.
13717         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13718         (DEFINE_optional_string): Define.
13719         (General_options::demangle): Change from DEFINE_bool to
13720         DEFINE_optional_string.
13721         (General_options::no_demangle): New function.
13722         (General_options::do_demangle): New function.
13723         (General_options::set_do_demangle): New function.
13724         (General_options::execstack_status_): Move definition to end of
13725         class definition.
13726         (General_options::static_): Likewise.
13727         (General_options::do_demangle_): New field.
13728         * object.cc (big_endian>::get_symbol_location_info): Call
13729         Options::do_demangle, not Options::demangle.
13730         * symtab.cc (demangle): Likewise.
13731
13732 2008-03-22  Ian Lance Taylor  <iant@google.com>
13733
13734         * gold.h: Include <cstddef> and <sys/types.h>
13735         * options.h: Include <cstring>.
13736
13737 2008-03-21  Ian Lance Taylor  <iant@google.com>
13738
13739         * Added source code to GNU binutils.