gold/ChangeLog

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