gold/ChangeLog

   1 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
   2
   3         * mips.cc (Mips_output_data_got::do_write): Add missing template
   4         args via typedef.
   5
   6 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
   7
   8         PR/19960
   9         * s390.cc (Target_s390::ss_code_st_r14): Removed.
  10         (Target_s390::ss_code_l_r14): Removed.
  11         (Target_s390::ss_code_ear): Removed.
  12         (Target_s390::ss_code_c): Removed.
  13         (Target_s390::ss_match_st_r14): New function.
  14         (Target_s390::ss_match_l_r14): New function.
  15         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
  16         of matching code directly.
  17         (Target_s390::ss_match_ear): New function.
  18         (Target_s390::ss_match_c): New function.
  19         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
  20         of matching code directly.
  21
  22 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
  23
  24         PR gold/19823
  25         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
  26         parameter; check for protected symbol.
  27         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
  28         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
  29         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
  30         (Symbol_table::add_from_dynobj): Mark protected symbols.
  31         * symtab.h (Symbol::is_protected): New method.
  32         (Symbol::set_is_protected): New method.
  33         (Symbol::is_protected_): New data member.
  34
  35         * testsuite/Makefile.am (copy_test_protected): New test.
  36         * testsuite/Makefile.in: Regenerate.
  37         * testsuite/copy_test.cc (main): Add legal reference to protected
  38         symbol.
  39         * testsuite/copy_test_v1.cc (main): Likewise.
  40         * testsuite/copy_test_2.cc (ip): Add protected symbol.
  41         * testsuite/copy_test_protected.cc: New test source file.
  42         * testsuite/copy_test_protected.sh: New test script.
  43
  44 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
  45
  46         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
  47         for global got symbols, and set addend to 0.
  48         (Mips_got_entry::hash): Change hash algorithm.
  49         (Mips_got_entry::equals): Refactor.
  50         (Mips_got_entry::object): Return input object for local got symbols
  51         from union d.
  52         (Mips_got_entry::addend): Change return of the relocation addend.
  53         (Mips_got_entry::addend_): Move from union d.
  54         (Mips_got_entry::object_): Move into union d.
  55         (class Mips_symbol_hash): New class.
  56         (Mips_got_info::Global_got_entry_set): New type.
  57         (Mips_got_info::global_got_symbols): Change return type to
  58         Global_got_entry_set.
  59         (Mips_got_info::global_got_symbols_): Change type to
  60         Global_got_entry_set.
  61         (Mips_symbol::hash): New method.
  62         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
  63         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
  64         (Mips_output_data_mips_stubs::symbols_): Change type to
  65         Mips_stubs_entry_set.
  66         (Mips_got_info::record_global_got_symbol): Don't pass object
  67         argument when creating global got symbol.
  68         (Mips_got_info::record_got_entry): Remove find before inserting
  69         got entries.
  70         (Mips_got_info::add_reloc_only_entries): Change type of iterator
  71         to Global_got_entry_set.
  72         (Mips_got_info::count_got_symbols): Likewise.
  73         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
  74         for adding entries to symbols_.
  75         (Mips_output_data_la25_stub::do_write): Change type of iterator
  76         to std::vector.
  77         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
  78         of iterator to Mips_stubs_entry_set.
  79         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
  80         (Mips_output_data_mips_stubs::do_write): Likewise.
  81
  82 2016-05-06  Han Shen  <shenhan@google.com>
  83
  84         PR gold/19987.
  85
  86         * aarch64-reloc.def: New relocation type.
  87         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
  88         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
  89         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
  90         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
  91
  92 2016-04-28  Nick Clifton  <nickc@redhat.com>
  93
  94         * po/zh_CN.po: Updated Chinese (simplified) translation.
  95
  96 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
  97
  98         * Makefile.in: Regenerated with automake 1.11.6.
  99         * aclocal.m4: Likewise.
 100         * testsuite/Makefile.in: Likewise.
 101
 102 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 103
 104         PR gold/16979
 105         * symtab.cc (Symbol_table::define_default_version): Check for case
 106         where symbols are both in different shared objects.
 107
 108 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 109
 110         PR gold/16111
 111         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 112         R_386_GOTOFF.
 113
 114 2016-03-22  Nick Clifton  <nickc@redhat.com>
 115
 116         * configure: Regenerate.
 117
 118 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 119
 120         PR gold/19842
 121         * errors.cc (Errors::undefined_symbol): Add info message when
 122         symbol should have been provided by a plugin.
 123         * target-reloc.h (issue_undefined_symbol_error): Check for
 124         placeholder symbols defined in discarded sections.
 125         * testsuite/Makefile.am (plugin_test_9b): New test case.
 126         * testsuite/Makefile.in: Regenerate.
 127         * testsuite/plugin_test_9b_elf.cc: New test source file.
 128         * testsuite/plugin_test_9b_ir.cc: New test source file.
 129
 130 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 131
 132         PR gold/19002
 133         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 134         * testsuite/Makefile.am (eh_test_2): New test.
 135         * testsuite/Makefile.in: Regenerate.
 136         * testsuite/eh_test_2.sh: New test script.
 137         * testsuite/eh_test_a.cc (bar): Make it comdat.
 138         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 139
 140 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 141
 142         * mips.cc (Mips_relobj::is_n64_): Remove.
 143         (Target_mips::ei_class_): Likewise.
 144         (Mips_relobj::is_newabi): Call methods.
 145         (Mips_relobj::is_n64): Change checking for N64 ABI.
 146         (Target_mips::is_output_n64): Likewise.
 147         (Target_mips::merge_processor_specific_flags): Remove ei_class
 148         argument, and remove comparing ei_class.
 149         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 150         of the ELF header.
 151         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 152         to merge_processor_specific_flags.
 153         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 154         change checking for N64 ABI.
 155
 156 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 157
 158         * mips.cc (enum Special_relocation_symbol): New enum type.
 159         (is_readonly_section): New function.
 160         (eh_reloc): Likewise.
 161         (Mips_got_entry::is_section_symbol_): New member.
 162         (Mips_got_entry::is_section_symbol): New method.
 163         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 164         argument.
 165         (Mips_relobj::mips_elf_options_section_name): New method.
 166         (Mips_output_data_got::record_local_got_symbol): Add
 167         is_section_symbol argument, and pass it to
 168         Mips_got_info::record_local_got_symbol.
 169         (Mips_output_data_got::got_offset): Add addend argument, and pass
 170         it to Relobj::local_got_offset.
 171         (struct Mips_output_reloc_writer): New type.
 172         (class Mips_output_data_reloc): New class.
 173         (Mips_output_data_plt::Reloc_section): Change type to
 174         Mips_output_data_reloc.
 175         (Target_mips::Reloc_section): Likewise.
 176         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 177         (Mips_classify_reloc::get_r_type2): New method.
 178         (Mips_classify_reloc::get_r_type3): Likewise.
 179         (Mips_classify_reloc::get_r_ssym): Likewise.
 180         (Target_mips::Reloca_section): Remove.
 181         (Relocate::should_apply_static_reloc): Rename from
 182         should_apply_r_mips_32_reloc.
 183         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 184         and r_offset.
 185         (Mips_relocate_functions::Valtype): New type.
 186         (Mips_relocate_functions::Valtype64): New type.
 187         (Mips_relocate_functions::check_overflow): New method.
 188         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 189         interface.
 190         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 191         (Mips_relocate_functions::rel16): Add support for resolving
 192         relocations for Mips64.
 193         (Mips_relocate_functions::rel32): Likewise.
 194         (Mips_relocate_functions::reljalr): Likewise.
 195         (Mips_relocate_functions::relpc32): Likewise.
 196         (Mips_relocate_functions::rel26): Likewise.
 197         (Mips_relocate_functions::relpc16): Likewise.
 198         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 199         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 200         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 201         (Mips_relocate_functions::do_relhi16): Likewise.
 202         (Mips_relocate_functions::do_relgot16_local): Likewise.
 203         (Mips_relocate_functions::rello16): Likewise.
 204         (Mips_relocate_functions::relgot): Likewise.
 205         (Mips_relocate_functions::relgotpage): Likewise.
 206         (Mips_relocate_functions::relgotofst): Likewise.
 207         (Mips_relocate_functions::relgot_hi16): Likewise.
 208         (Mips_relocate_functions::relgot_lo16): Likewise.
 209         (Mips_relocate_functions::relgprel): Likewise.
 210         (Mips_relocate_functions::relgprel32): Likewise.
 211         (Mips_relocate_functions::tlsrelhi16): Likewise.
 212         (Mips_relocate_functions::tlsrello16): Likewise.
 213         (Mips_relocate_functions::tlsrel32): Likewise.
 214         (Mips_relocate_functions::relsub): Likewise.
 215         (Mips_relocate_functions::releh): New method.
 216         (Mips_relocate_functions::rel64): Likewise.
 217         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 218         pass it to Mips_got_entry.
 219         (Mips_got_info::add_local_entries): Pass addend argument
 220         to code functions, and for STT_SECTION symbols call
 221         add_symbolless_local_addend.
 222         (Mips_got_info::add_tls_entries): Pass addend argument to code
 223         functions.
 224         (Mips_relobj::do_read_symbols): Read gp value that was used to
 225         create object.
 226         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 227         instruction. Opcode for instruction will be selected later.
 228         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 229         (Target_mips::scan_relocatable_relocs): Likewise.
 230         (Target_mips::emit_relocs_scan): Likewise.
 231         (Target_mips::relocate_relocs): Likewise.
 232         (Target_mips::do_finalize_sections): Skip objects for merging
 233         processor specific flags in which all input sections will be
 234         discarded.
 235         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 236         (Target_mips::Scan::get_reference_flags): Likewise.
 237         (Target_mips::relocate_special_relocatable): Call rel26 method with
 238         calculate_only and calculated_value arguments.
 239         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 240         dynamic relocation against a readonly sections, and pass
 241         is_section_symbol to Mips_got_info::record_local_got_symbol.
 242         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 243         dynamic relocation against a readonly sections, and pass r_type
 244         and r_offset to Target_mips::copy_reloc.
 245         (Target_mips::Relocate::relocate): Add support for resolving
 246         relocations for Mips64.
 247         (Target_mips::mips_info): Add case for Mips64 default dynamic
 248         linker name.
 249         (Target_selector_mips): Correct emulation names.
 250
 251 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 252
 253         * mips.cc (class Mips_output_data_la25_stub): Add
 254         do_print_to_mapfile function.
 255
 256 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 257
 258         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 259         elf_r_info.
 260
 261 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 262
 263         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 264         * testsuite/plugin_layout_with_alignment.c: This.
 265         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 266         (plugin_layout_with_alignment): Likewise.
 267         * testsuite/Makefile.in: Regenerated.
 268
 269 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 270
 271         PR 19751
 272         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 273         for constructor.
 274         * testsuite/Makefile.in: Regenerate.
 275         * testsuite/dynamic_list.sh: Likewise.
 276         * testsuite/retain_symbols_file_test.sh: Likewise.
 277
 278 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 279
 280         PR 19751
 281         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 282         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 283
 284 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 285             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 286
 287         * output.cc (Output_reloc_writer): New type.
 288         (Output_data_reloc_base::do_write): Move implementation to template
 289         in output.h and replace with invocation of template.
 290         * output.h (Output_file): Move to top of file.
 291         (Output_reloc::get_symbol_index): Move to public interface.
 292         (Output_reloc::get_address): Likewise.
 293         (Output_data_reloc_base::do_write_generic): New function template.
 294
 295 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 296
 297         PR gold/19019
 298         PR gold/19763
 299         * symtab.cc: Instantiate Sized_symbol::init_constant and
 300         Sized_symbol::init_undefined.
 301
 302 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 303
 304         PR gold/19019
 305         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 306         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 307         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 308         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 309         (Target_sparc::do_is_defined_by_abi): Remove test for
 310         STT_SPARC_REGISTER.
 311         (Target_sparc::Register_symbol): New struct type.
 312         (Target_sparc::register_syms_): New data member.
 313         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 314         (Target_sparc::make_symbol): New function.
 315         (Target_sparc::do_finalize_sections): Add register symbols and new
 316         dynamic table entries.
 317         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 318         (Symbol_table::add_target_global_symbol): New function.
 319         (Symbol_table::target_symbols_): New data member.
 320         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 321         (Symbol_table::Symbol_table): Initialize target_symbols_.
 322         (Symbol_table::add_from_object): Pass additional parameters to
 323         Target::make_symbol.
 324         (Symbol_table::define_special_symbol): Likewise.
 325         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 326         undefined symbol value.
 327         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 328         (Symbol_table::sized_finalize): Likewise.
 329         (Symbol_table::sized_write_globals): Likewise.
 330         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 331         st_shndx, and value parameters.
 332
 333 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 334
 335         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 336         LDPK_WEAKUNDEF symbols.
 337
 338 2016-03-03  Than McIntosh  <thanm@google.com>
 339
 340         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 341         and get_input_section_alignment in transfer vector.
 342         (get_input_section_alignment): New function.
 343         (get_input_section_size): New function.
 344         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 345         * testsuite/Makefile.in: [Regenerate.]
 346         * testsuite/plugin_section_alignment.cc: New test file.
 347         * testsuite/plugin_layout_with_alignment.cc: New test file.
 348         * testsuite/plugin_layout_with_alignment.sh: New test file.
 349
 350 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 351
 352         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 353         parameter.
 354         * plugin.cc (get_symbols_v3): New function.
 355         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 356         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 357         new version.
 358
 359 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 360             Cary Coutant  <ccoutant@gmail.com>
 361
 362         PR gold/19735
 363         * ehframe.h (Cie::fde_encoding): New method.
 364         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 365         address ranges.
 366
 367 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 368
 369         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 370         -mrelax-relocations=yes to $(TEST_AS).
 371         (x86_64_mov_to_lea6.o): Likewise.
 372         (x86_64_overflow_pc32.o): Remove duplicated target.
 373         * testsuite/Makefile.in: Regenerated.
 374
 375 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 376
 377         * s390.cc (Target_s390::match_view_u): New helper method.
 378         (Target_s390::do_is_call_to_non_split): New method.
 379         (Target_s390::ss_code_st_r14): New const.
 380         (Target_s390::ss_code_l_r14): New const.
 381         (Target_s390::ss_code_bras_8): New const.
 382         (Target_s390::ss_code_l_basr): New const.
 383         (Target_s390::ss_code_a_basr): New const.
 384         (Target_s390::ss_code_ear): New const.
 385         (Target_s390::ss_code_c): New const.
 386         (Target_s390::ss_code_larl): New const.
 387         (Target_s390::ss_code_brasl): New const.
 388         (Target_s390::ss_code_jg): New const.
 389         (Target_s390::ss_code_jgl): New const.
 390         (Target_s390::ss_match_mcount): New helper method.
 391         (Target_s390::ss_match_l): New helper method.
 392         (Target_s390::ss_match_ahi): New helper method.
 393         (Target_s390::ss_match_alfi): New helper method.
 394         (Target_s390::ss_match_cr): New helper method.
 395         (Target_s390::do_calls_non_split): New method.
 396         * testsuite/Makefile.am: Added new tests.
 397         * testsuite/Makefile.in: Regenerate.
 398         * testsuite/split_s390.sh: New test.
 399         * testsuite/split_s390_1_a1.s: New test.
 400         * testsuite/split_s390_1_a2.s: New test.
 401         * testsuite/split_s390_1_n1.s: New test.
 402         * testsuite/split_s390_1_n2.s: New test.
 403         * testsuite/split_s390_1_z1.s: New test.
 404         * testsuite/split_s390_1_z2.s: New test.
 405         * testsuite/split_s390_1_z3.s: New test.
 406         * testsuite/split_s390_1_z4.s: New test.
 407         * testsuite/split_s390_2_ns.s: New test.
 408         * testsuite/split_s390_2_s.s: New test.
 409         * testsuite/split_s390x_1_a1.s: New test.
 410         * testsuite/split_s390x_1_a2.s: New test.
 411         * testsuite/split_s390x_1_n1.s: New test.
 412         * testsuite/split_s390x_1_n2.s: New test.
 413         * testsuite/split_s390x_1_z1.s: New test.
 414         * testsuite/split_s390x_1_z2.s: New test.
 415         * testsuite/split_s390x_1_z3.s: New test.
 416         * testsuite/split_s390x_1_z4.s: New test.
 417         * testsuite/split_s390x_2_ns.s: New test.
 418         * testsuite/split_s390x_2_s.s: New test.
 419
 420 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 421
 422         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 423         info message for every erratum 843419 found and fixed.
 424
 425 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 426
 427         PR gold/18695
 428         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 429         information to relocation overflow errors.
 430
 431 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 432
 433         PR gold/18695
 434         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 435         overflow checking when symbol value + addend < 0.
 436
 437 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 438
 439         PR gold/19577
 440         * reloc.h (Limits): New class.
 441         (Bits::has_overflow32): Use min/max values from Limits.
 442         (Bits::has_unsigned_overflow32): Likewise.
 443         (Bits::has_signed_unsigned_overflow32): Likewise.
 444         (Bits::has_overflow): Likewise.
 445         (Bits::has_unsigned_overflow): Likewise.
 446         (Bits::has_signed_unsigned_overflow64): Likewise.
 447
 448 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 449
 450         PR gold/19567
 451         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 452         * x86_64.cc (X86_64_relocate_functions): New class.
 453         (Target_x86_64::Relocate::relocate): Use the new class.
 454         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 455         (x32_overflow_pc32): New test case.
 456         * testsuite/Makefile.in: Regenerate.
 457         * testsuite/x32_overflow_pc32.sh: New script.
 458         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
 459
 460 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 461
 462         PR gold/19577
 463         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
 464         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
 465
 466 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 467
 468         PR gold/19577
 469         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
 470         comparison.
 471         (Bits::has_unsigned_overflow): Likewise.
 472
 473 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
 474
 475         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
 476         parameters.
 477         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
 478         and view_size to is_call_to_non_split.
 479         * target.cc (Target::is_call_to_non_split): Add view and view_size
 480         parameters.
 481         * target.h (class Target): Likewise.
 482
 483 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
 484
 485         * icf.cc (get_rel_addend): New function.
 486         (get_section_contents):  Move merge section addend computation to a
 487         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
 488         Fix bug to not read past the length of the section.
 489
 490 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 491             Andrew Senkevich  <andrew.senkevich@intel.com>
 492
 493         PR gold/18695
 494         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
 495         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
 496         R_X86_64_PLT32.
 497         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
 498         * testsuite/x86_64_overflow_pc32.sh: New test script.
 499         * testsuite/x86_64_overflow_pc32.s: New source file.
 500
 501 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 502
 503         PR gold/18695
 504         * reloc.h (Relocate_functions::Address): New typedef.
 505         (Relocate_functions::Addendtype): New typedef.
 506         (Relocate_functions::Overflow_check): New enum type.
 507         (Relocate_functions::Reloc_status): New enum type.
 508         (Relocate_functions::check_overflow): New function template.
 509         (Relocate_functions::rel): Add check parameter; check for overflow.
 510         (Relocate_functions::rel_unaligned): Likewise.
 511         (Relocate_functions::rela): Likewise.
 512         (Relocate_functions::pcrel): Likewise.
 513         (Relocate_functions::pcrel_unaligned): Likewise.
 514         (Relocate_functions::pcrela): Likewise.
 515         (Relocate_functions::rel8): Adjust parameter types.
 516         (Relocate_functions::rela8): Likewise.
 517         (Relocate_functions::pcrel8): Likewise.
 518         (Relocate_functions::pcrela8): Likewise.
 519         (Relocate_functions::rel16): Likewise.
 520         (Relocate_functions::rela168): Likewise.
 521         (Relocate_functions::pcrel16): Likewise.
 522         (Relocate_functions::pcrela16): Likewise.
 523         (Relocate_functions::rel32): Likewise.
 524         (Relocate_functions::rel32_unaligned): Likewise.
 525         (Relocate_functions::rela32): Likewise.
 526         (Relocate_functions::pcrel32): Likewise.
 527         (Relocate_functions::pcrel32_unaligned): Likewise.
 528         (Relocate_functions::pcrela32): Likewise.
 529         (Relocate_functions::rel8_check): New function.
 530         (Relocate_functions::rela8_check): New function.
 531         (Relocate_functions::pcrel8_check): New function.
 532         (Relocate_functions::pcrela8_check): New function.
 533         (Relocate_functions::rel16_check): New function.
 534         (Relocate_functions::rela168_check): New function.
 535         (Relocate_functions::pcrel16_check): New function.
 536         (Relocate_functions::pcrela16_check): New function.
 537         (Relocate_functions::rel32_check): New function.
 538         (Relocate_functions::rel32_unaligned_check): New function.
 539         (Relocate_functions::rela32_check): New function.
 540         (Relocate_functions::pcrel32_check): New function.
 541         (Relocate_functions::pcrel32_unaligned_check): New function.
 542         (Relocate_functions::pcrela32_check): New function.
 543         (Bits::has_unsigned_overflow32): New function.
 544         (Bits::has_unsigned_overflow): New function.
 545         * testsuite/Makefile.am (overflow_unittest): New test.
 546         * testsuite/Makefile.in: Regenerate.
 547         * testsuite/overflow_unittest.cc: New source file.
 548
 549 2016-02-04  Alan Modra  <amodra@gmail.com>
 550
 551         * powerpc.cc (relocate): Adjust last patch for big-endian.
 552
 553 2016-02-02  Alan Modra  <amodra@gmail.com>
 554
 555         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
 556
 557 2016-01-15 Han Shen  <shenhan@google.com>
 558
 559         PR gold/19472 - need pc-relative stubs.
 560
 561         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
 562         stub type for DSOs and pie executables.
 563
 564 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
 565
 566         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
 567         'typename'.
 568
 569 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
 570
 571         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
 572         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
 573         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
 574         specializations) New method.
 575
 576 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
 577
 578         PR gold/19353
 579         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
 580         we have a TLS segment for GD-to-IE optimization.
 581         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
 582         Adjust all calls.
 583         (Target_i386::tls_desc_gd_to_ie): Likewise.
 584         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
 585         for TLSDESC GD-to-IE optimizations.
 586         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
 587         Adjust all calls.
 588         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
 589         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
 590         for TLSDESC GD-to-IE optimizations.
 591
 592 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
 593
 594         Refactor gold to enable support for MIPS-64 relocation format.
 595
 596         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
 597         (gc_process_relocs): Remove sh_type template parameter.
 598         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
 599         * object.h (Sized_relobj_file::split_stack_adjust): Add target
 600         parameter.
 601         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
 602         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
 603         specializations) Remove.
 604         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
 605         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
 606         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
 607         (Sized_relobj_file::split_stack_adjust): Add target parameter.
 608         Adjust all callers.
 609         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
 610         Target::get_r_sym() to get r_sym field from relocations.
 611         (Track_relocs::next_symndx): Call Target::get_r_sym().
 612         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
 613         add Classify_reloc template parameter.  Use for accessing r_sym and
 614         r_type.
 615         (relocate_section): Likewise.
 616         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
 617         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
 618         (Default_scan_relocatable_relocs::Reltype): New typedef.
 619         (Default_scan_relocatable_relocs::reloc_size): New const.
 620         (Default_scan_relocatable_relocs::sh_type): New const.
 621         (Default_scan_relocatable_relocs::get_r_sym): New method.
 622         (Default_scan_relocatable_relocs::get_r_type): New method.
 623         (Default_emit_relocs_strategy): New class.
 624         (scan_relocatable_relocs): Replace sh_type template parameter with
 625         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
 626         fields.
 627         (relocate_relocs): Replace sh_type template parameter with
 628         Classify_reloc class.  Use it to access r_sym and r_type fields.
 629         * target.h (Target::is_call_to_non_split): Replace r_type parameter
 630         with pointer to relocation. Adjust all callers.
 631         (Target::do_is_call_to_non_split): Likewise.
 632         (Target::emit_relocs_scan): New virtual method.
 633         (Sized_target::get_r_sym): New virtual method.
 634         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
 635         with pointer to relocation.
 636
 637         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
 638         (Target_aarch64::Relocatable_size_for_reloc): Remove.
 639         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
 640         (Target_aarch64::scan_relocs): Likewise.
 641         (Target_aarch64::relocate_section): Likewise.
 642         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
 643         Remove.
 644         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
 645         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
 646         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
 647         template parameter.
 648         (Target_arm::emit_relocs_scan): New method.
 649         (Target_arm::Relocatable_size_for_reloc): Replace with...
 650         (Target_arm::Classify_reloc): ...this.
 651         (Target_arm::gc_process_relocs): Use Classify_reloc.
 652         (Target_arm::scan_relocs): Likewise.
 653         (Target_arm::relocate_section): Likewise.
 654         (Target_arm::scan_relocatable_relocs): Likewise.
 655         (Target_arm::relocate_relocs): Likewise.
 656         * i386.cc (Target_i386::emit_relocs_scan): New method.
 657         (Target_i386::Relocatable_size_for_reloc): Replace with...
 658         (Target_i386::Classify_reloc): ...this.
 659         (Target_i386::gc_process_relocs): Use Classify_reloc.
 660         (Target_i386::scan_relocs): Likewise.
 661         (Target_i386::relocate_section): Likewise.
 662         (Target_i386::scan_relocatable_relocs): Likewise.
 663         (Target_i386::relocate_relocs): Likewise.
 664         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
 665         parameter.
 666         (Mips_reloc_types): New class template.
 667         (Mips_classify_reloc): New class template.
 668         (Target_mips::Reltype): New typedef.
 669         (Target_mips::Relatype): New typedef.
 670         (Target_mips::emit_relocs_scan): New method.
 671         (Target_mips::get_r_sym): New method.
 672         (Target_mips::Relocatable_size_for_reloc): Replace with
 673         Mips_classify_reloc.
 674         (Target_mips::copy_reloc): Use Mips_classify_reloc.
 675         (Target_mips::gc_process_relocs): Likewise.
 676         (Target_mips::scan_relocs): Likewise.
 677         (Target_mips::relocate_section): Likewise.
 678         (Target_mips::scan_relocatable_relocs): Likewise.
 679         (Target_mips::relocate_relocs): Likewise.
 680         (mips_get_size_for_reloc): New function, factored out from
 681         Relocatable_size_for_reloc::get_size_for_reloc.
 682         (Target_mips::Scan::local): Use Mips_classify_reloc.
 683         (Target_mips::Scan::global): Likewise.
 684         (Target_mips::Relocate::relocate): Likewise.
 685         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
 686         (Target_powerpc::Relocatable_size_for_reloc): Remove.
 687         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
 688         (Target_powerpc::scan_relocs): Likewise.
 689         (Target_powerpc::relocate_section): Likewise.
 690         (Powerpc_scan_relocatable_reloc): Convert to class template.
 691         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
 692         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
 693         (Powerpc_scan_relocatable_reloc::sh_type): New const.
 694         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
 695         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
 696         (Target_powerpc::scan_relocatable_relocs): Use
 697         Powerpc_scan_relocatable_reloc.
 698         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
 699         * s390.cc (Target_s390::emit_relocs_scan): New method.
 700         (Target_s390::Relocatable_size_for_reloc): Remove.
 701         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
 702         (Target_s390::scan_relocs): Likewise.
 703         (Target_s390::relocate_section): Likewise.
 704         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
 705         Remove.
 706         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
 707         (Target_s390::relocate_relocs): Use Default_classify_reloc.
 708         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
 709         (Target_sparc::Relocatable_size_for_reloc): Remove.
 710         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
 711         (Target_sparc::scan_relocs): Likewise.
 712         (Target_sparc::relocate_section): Likewise.
 713         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
 714         Remove.
 715         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
 716         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
 717         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
 718         (Target_tilegx::Relocatable_size_for_reloc): Remove.
 719         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
 720         (Target_tilegx::scan_relocs): Likewise.
 721         (Target_tilegx::relocate_section): Likewise.
 722         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
 723         Remove.
 724         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
 725         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
 726         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
 727         (Target_x86_64::Relocatable_size_for_reloc): Remove.
 728         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
 729         (Target_x86_64::scan_relocs): Likewise.
 730         (Target_x86_64::relocate_section): Likewise.
 731         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
 732         Remove.
 733         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
 734         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
 735
 736         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
 737
 738 2016-01-01  Alan Modra  <amodra@gmail.com>
 739
 740         Update year range in copyright notice of all files.
 741
 742 For older changes see ChangeLog-0815
 743 \f
 744 Copyright (C) 2016 Free Software Foundation, Inc.
 745
 746 Copying and distribution of this file, with or without modification,
 747 are permitted in any medium without royalty provided the copyright
 748 notice and this notice are preserved.
 749
 750 Local Variables:
 751 mode: change-log
 752 left-margin: 8
 753 fill-column: 74
 754 version-control: never
 755 End: