gold/ChangeLog

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