gold/ChangeLog

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