gold/ChangeLog

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