gold/target-reloc.h

   1 // target-reloc.h -- target specific relocation support  -*- C++ -*-
   2
   3 // Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
   4 // Written by Ian Lance Taylor <iant@google.com>.
   5
   6 // This file is part of gold.
   7
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 3 of the License, or
  11 // (at your option) any later version.
  12
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the Free Software
  20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21 // MA 02110-1301, USA.
  22
  23 #ifndef GOLD_TARGET_RELOC_H
  24 #define GOLD_TARGET_RELOC_H
  25
  26 #include "elfcpp.h"
  27 #include "symtab.h"
  28 #include "reloc.h"
  29 #include "reloc-types.h"
  30
  31 namespace gold
  32 {
  33
  34 // This function implements the generic part of reloc scanning.  The
  35 // template parameter Scan must be a class type which provides two
  36 // functions: local() and global().  Those functions implement the
  37 // machine specific part of scanning.  We do it this way to
  38 // avoidmaking a function call for each relocation, and to avoid
  39 // repeating the generic code for each target.
  40
  41 template<int size, bool big_endian, typename Target_type, int sh_type,
  42          typename Scan>
  43 inline void
  44 scan_relocs(
  45     const General_options& options,
  46     Symbol_table* symtab,
  47     Layout* layout,
  48     Target_type* target,
  49     Sized_relobj<size, big_endian>* object,
  50     unsigned int data_shndx,
  51     const unsigned char* prelocs,
  52     size_t reloc_count,
  53     Output_section* output_section,
  54     bool needs_special_offset_handling,
  55     size_t local_count,
  56     const unsigned char* plocal_syms)
  57 {
  58   typedef typename Reloc_types<sh_type, size, big_endian>::Reloc Reltype;
  59   const int reloc_size = Reloc_types<sh_type, size, big_endian>::reloc_size;
  60   const int sym_size = elfcpp::Elf_sizes<size>::sym_size;
  61   Scan scan;
  62
  63   for (size_t i = 0; i < reloc_count; ++i, prelocs += reloc_size)
  64     {
  65       Reltype reloc(prelocs);
  66
  67       if (needs_special_offset_handling
  68           && !output_section->is_input_address_mapped(object, data_shndx,
  69                                                       reloc.get_r_offset()))
  70         continue;
  71
  72       typename elfcpp::Elf_types<size>::Elf_WXword r_info = reloc.get_r_info();
  73       unsigned int r_sym = elfcpp::elf_r_sym<size>(r_info);
  74       unsigned int r_type = elfcpp::elf_r_type<size>(r_info);
  75
  76       if (r_sym < local_count)
  77         {
  78           gold_assert(plocal_syms != NULL);
  79           typename elfcpp::Sym<size, big_endian> lsym(plocal_syms
  80                                                       + r_sym * sym_size);
  81           unsigned int shndx = lsym.get_st_shndx();
  82           bool is_ordinary;
  83           shndx = object->adjust_sym_shndx(r_sym, shndx, &is_ordinary);
  84           if (is_ordinary
  85               && shndx != elfcpp::SHN_UNDEF
  86               && !object->is_section_included(shndx))
  87             {
  88               // RELOC is a relocation against a local symbol in a
  89               // section we are discarding.  We can ignore this
  90               // relocation.  It will eventually become a reloc
  91               // against the value zero.
  92               //
  93               // FIXME: We should issue a warning if this is an
  94               // allocated section; is this the best place to do it?
  95               //
  96               // FIXME: The old GNU linker would in some cases look
  97               // for the linkonce section which caused this section to
  98               // be discarded, and, if the other section was the same
  99               // size, change the reloc to refer to the other section.
 100               // That seems risky and weird to me, and I don't know of
 101               // any case where it is actually required.
 102
 103               continue;
 104             }
 105
 106           scan.local(options, symtab, layout, target, object, data_shndx,
 107                      output_section, reloc, r_type, lsym);
 108         }
 109       else
 110         {
 111           Symbol* gsym = object->global_symbol(r_sym);
 112           gold_assert(gsym != NULL);
 113           if (gsym->is_forwarder())
 114             gsym = symtab->resolve_forwards(gsym);
 115
 116           scan.global(options, symtab, layout, target, object, data_shndx,
 117                       output_section, reloc, r_type, gsym);
 118         }
 119     }
 120 }
 121
 122 // Behavior for relocations to discarded comdat sections.
 123
 124 enum Comdat_behavior
 125 {
 126   CB_UNDETERMINED,   // Not yet determined -- need to look at section name.
 127   CB_PRETEND,        // Attempt to map to the corresponding kept section.
 128   CB_IGNORE,         // Ignore the relocation.
 129   CB_WARNING         // Print a warning.
 130 };
 131
 132 // Decide what the linker should do for relocations that refer to discarded
 133 // comdat sections.  This decision is based on the name of the section being
 134 // relocated.
 135
 136 inline Comdat_behavior
 137 get_comdat_behavior(const char* name)
 138 {
 139   if (Layout::is_debug_info_section(name))
 140     return CB_PRETEND;
 141   if (strcmp(name, ".eh_frame") == 0
 142       || strcmp(name, ".gcc_except_table") == 0)
 143     return CB_IGNORE;
 144   return CB_WARNING;
 145 }
 146
 147 // This function implements the generic part of relocation processing.
 148 // The template parameter Relocate must be a class type which provides
 149 // a single function, relocate(), which implements the machine
 150 // specific part of a relocation.
 151
 152 // SIZE is the ELF size: 32 or 64.  BIG_ENDIAN is the endianness of
 153 // the data.  SH_TYPE is the section type: SHT_REL or SHT_RELA.
 154 // RELOCATE implements operator() to do a relocation.
 155
 156 // PRELOCS points to the relocation data.  RELOC_COUNT is the number
 157 // of relocs.  OUTPUT_SECTION is the output section.
 158 // NEEDS_SPECIAL_OFFSET_HANDLING is true if input offsets need to be
 159 // mapped to output offsets.
 160
 161 // VIEW is the section data, VIEW_ADDRESS is its memory address, and
 162 // VIEW_SIZE is the size.  These refer to the input section, unless
 163 // NEEDS_SPECIAL_OFFSET_HANDLING is true, in which case they refer to
 164 // the output section.
 165
 166 template<int size, bool big_endian, typename Target_type, int sh_type,
 167          typename Relocate>
 168 inline void
 169 relocate_section(
 170     const Relocate_info<size, big_endian>* relinfo,
 171     Target_type* target,
 172     const unsigned char* prelocs,
 173     size_t reloc_count,
 174     Output_section* output_section,
 175     bool needs_special_offset_handling,
 176     unsigned char* view,
 177     typename elfcpp::Elf_types<size>::Elf_Addr view_address,
 178     section_size_type view_size)
 179 {
 180   typedef typename Reloc_types<sh_type, size, big_endian>::Reloc Reltype;
 181   const int reloc_size = Reloc_types<sh_type, size, big_endian>::reloc_size;
 182   Relocate relocate;
 183
 184   Sized_relobj<size, big_endian>* object = relinfo->object;
 185   unsigned int local_count = object->local_symbol_count();
 186
 187   Comdat_behavior comdat_behavior = CB_UNDETERMINED;
 188
 189   for (size_t i = 0; i < reloc_count; ++i, prelocs += reloc_size)
 190     {
 191       Reltype reloc(prelocs);
 192
 193       section_offset_type offset =
 194         convert_to_section_size_type(reloc.get_r_offset());
 195
 196       if (needs_special_offset_handling)
 197         {
 198           offset = output_section->output_offset(relinfo->object,
 199                                                  relinfo->data_shndx,
 200                                                  offset);
 201           if (offset == -1)
 202             continue;
 203         }
 204
 205       typename elfcpp::Elf_types<size>::Elf_WXword r_info = reloc.get_r_info();
 206       unsigned int r_sym = elfcpp::elf_r_sym<size>(r_info);
 207       unsigned int r_type = elfcpp::elf_r_type<size>(r_info);
 208
 209       const Sized_symbol<size>* sym;
 210
 211       Symbol_value<size> symval;
 212       const Symbol_value<size> *psymval;
 213       if (r_sym < local_count)
 214         {
 215           sym = NULL;
 216           psymval = object->local_symbol(r_sym);
 217
 218           // If the local symbol belongs to a section we are discarding,
 219           // and that section is a debug section, try to find the
 220           // corresponding kept section and map this symbol to its
 221           // counterpart in the kept section.
 222           bool is_ordinary;
 223           unsigned int shndx = psymval->input_shndx(&is_ordinary);
 224           if (is_ordinary
 225               && shndx != elfcpp::SHN_UNDEF
 226               && !object->is_section_included(shndx))
 227             {
 228               if (comdat_behavior == CB_UNDETERMINED)
 229                 {
 230                   std::string name = object->section_name(relinfo->data_shndx);
 231                   comdat_behavior = get_comdat_behavior(name.c_str());
 232                 }
 233               if (comdat_behavior == CB_PRETEND)
 234                 {
 235                   bool found;
 236                   typename elfcpp::Elf_types<size>::Elf_Addr value =
 237                     object->map_to_kept_section(shndx, &found);
 238                   if (found)
 239                     symval.set_output_value(value + psymval->input_value());
 240                   else
 241                     symval.set_output_value(0);
 242                 }
 243               else
 244                 {
 245                   if (comdat_behavior == CB_WARNING)
 246                     gold_warning_at_location(relinfo, i, offset,
 247                                              _("Relocation refers to discarded "
 248                                                "comdat section"));
 249                   symval.set_output_value(0);
 250                 }
 251               symval.set_no_output_symtab_entry();
 252               psymval = &symval;
 253             }
 254         }
 255       else
 256         {
 257           const Symbol* gsym = object->global_symbol(r_sym);
 258           gold_assert(gsym != NULL);
 259           if (gsym->is_forwarder())
 260             gsym = relinfo->symtab->resolve_forwards(gsym);
 261
 262           sym = static_cast<const Sized_symbol<size>*>(gsym);
 263           if (sym->has_symtab_index())
 264             symval.set_output_symtab_index(sym->symtab_index());
 265           else
 266             symval.set_no_output_symtab_entry();
 267           symval.set_output_value(sym->value());
 268           psymval = &symval;
 269         }
 270
 271       if (!relocate.relocate(relinfo, target, i, reloc, r_type, sym, psymval,
 272                              view + offset, view_address + offset, view_size))
 273         continue;
 274
 275       if (offset < 0 || static_cast<section_size_type>(offset) >= view_size)
 276         {
 277           gold_error_at_location(relinfo, i, offset,
 278                                  _("reloc has bad offset %zu"),
 279                                  static_cast<size_t>(offset));
 280           continue;
 281         }
 282
 283       if (sym != NULL
 284           && sym->is_undefined()
 285           && sym->binding() != elfcpp::STB_WEAK
 286           && (!parameters->options().shared()       // -shared
 287               || parameters->options().defs()))     // -z defs
 288         gold_undefined_symbol(sym, relinfo, i, offset);
 289
 290       if (sym != NULL && sym->has_warning())
 291         relinfo->symtab->issue_warning(sym, relinfo, i, offset);
 292     }
 293 }
 294
 295 // This class may be used as a typical class for the
 296 // Scan_relocatable_reloc parameter to scan_relocatable_relocs.  The
 297 // template parameter Classify_reloc must be a class type which
 298 // provides a function get_size_for_reloc which returns the number of
 299 // bytes to which a reloc applies.  This class is intended to capture
 300 // the most typical target behaviour, while still permitting targets
 301 // to define their own independent class for Scan_relocatable_reloc.
 302
 303 template<int sh_type, typename Classify_reloc>
 304 class Default_scan_relocatable_relocs
 305 {
 306  public:
 307   // Return the strategy to use for a local symbol which is not a
 308   // section symbol, given the relocation type.
 309   inline Relocatable_relocs::Reloc_strategy
 310   local_non_section_strategy(unsigned int, Relobj*)
 311   { return Relocatable_relocs::RELOC_COPY; }
 312
 313   // Return the strategy to use for a local symbol which is a section
 314   // symbol, given the relocation type.
 315   inline Relocatable_relocs::Reloc_strategy
 316   local_section_strategy(unsigned int r_type, Relobj* object)
 317   {
 318     if (sh_type == elfcpp::SHT_RELA)
 319       return Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_RELA;
 320     else
 321       {
 322         Classify_reloc classify;
 323         switch (classify.get_size_for_reloc(r_type, object))
 324           {
 325           case 0:
 326             return Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_0;
 327           case 1:
 328             return Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_1;
 329           case 2:
 330             return Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_2;
 331           case 4:
 332             return Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_4;
 333           case 8:
 334             return Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_8;
 335           default:
 336             gold_unreachable();
 337           }
 338       }
 339   }
 340
 341   // Return the strategy to use for a global symbol, given the
 342   // relocation type, the object, and the symbol index.
 343   inline Relocatable_relocs::Reloc_strategy
 344   global_strategy(unsigned int, Relobj*, unsigned int)
 345   { return Relocatable_relocs::RELOC_COPY; }
 346 };
 347
 348 // Scan relocs during a relocatable link.  This is a default
 349 // definition which should work for most targets.
 350 // Scan_relocatable_reloc must name a class type which provides three
 351 // functions which return a Relocatable_relocs::Reloc_strategy code:
 352 // global_strategy, local_non_section_strategy, and
 353 // local_section_strategy.  Most targets should be able to use
 354 // Default_scan_relocatable_relocs as this class.
 355
 356 template<int size, bool big_endian, int sh_type,
 357          typename Scan_relocatable_reloc>
 358 void
 359 scan_relocatable_relocs(
 360     const General_options&,
 361     Symbol_table*,
 362     Layout*,
 363     Sized_relobj<size, big_endian>* object,
 364     unsigned int data_shndx,
 365     const unsigned char* prelocs,
 366     size_t reloc_count,
 367     Output_section* output_section,
 368     bool needs_special_offset_handling,
 369     size_t local_symbol_count,
 370     const unsigned char* plocal_syms,
 371     Relocatable_relocs* rr)
 372 {
 373   typedef typename Reloc_types<sh_type, size, big_endian>::Reloc Reltype;
 374   const int reloc_size = Reloc_types<sh_type, size, big_endian>::reloc_size;
 375   const int sym_size = elfcpp::Elf_sizes<size>::sym_size;
 376   Scan_relocatable_reloc scan;
 377
 378   for (size_t i = 0; i < reloc_count; ++i, prelocs += reloc_size)
 379     {
 380       Reltype reloc(prelocs);
 381
 382       Relocatable_relocs::Reloc_strategy strategy;
 383
 384       if (needs_special_offset_handling
 385           && !output_section->is_input_address_mapped(object, data_shndx,
 386                                                       reloc.get_r_offset()))
 387         strategy = Relocatable_relocs::RELOC_DISCARD;
 388       else
 389         {
 390           typename elfcpp::Elf_types<size>::Elf_WXword r_info =
 391             reloc.get_r_info();
 392           const unsigned int r_sym = elfcpp::elf_r_sym<size>(r_info);
 393           const unsigned int r_type = elfcpp::elf_r_type<size>(r_info);
 394
 395           if (r_sym >= local_symbol_count)
 396             strategy = scan.global_strategy(r_type, object, r_sym);
 397           else
 398             {
 399               gold_assert(plocal_syms != NULL);
 400               typename elfcpp::Sym<size, big_endian> lsym(plocal_syms
 401                                                           + r_sym * sym_size);
 402               unsigned int shndx = lsym.get_st_shndx();
 403               bool is_ordinary;
 404               shndx = object->adjust_sym_shndx(r_sym, shndx, &is_ordinary);
 405               if (is_ordinary
 406                   && shndx != elfcpp::SHN_UNDEF
 407                   && !object->is_section_included(shndx))
 408                 {
 409                   // RELOC is a relocation against a local symbol
 410                   // defined in a section we are discarding.  Discard
 411                   // the reloc.  FIXME: Should we issue a warning?
 412                   strategy = Relocatable_relocs::RELOC_DISCARD;
 413                 }
 414               else if (lsym.get_st_type() != elfcpp::STT_SECTION)
 415                 strategy = scan.local_non_section_strategy(r_type, object);
 416               else
 417                 {
 418                   strategy = scan.local_section_strategy(r_type, object);
 419                   if (strategy != Relocatable_relocs::RELOC_DISCARD)
 420                     {
 421                       section_offset_type dummy;
 422                       Output_section* os = object->output_section(shndx,
 423                                                                   &dummy);
 424                       os->set_needs_symtab_index();
 425                     }
 426                 }
 427             }
 428         }
 429
 430       rr->set_next_reloc_strategy(strategy);
 431     }
 432 }
 433
 434 // Relocate relocs during a relocatable link.  This is a default
 435 // definition which should work for most targets.
 436
 437 template<int size, bool big_endian, int sh_type>
 438 void
 439 relocate_for_relocatable(
 440     const Relocate_info<size, big_endian>* relinfo,
 441     const unsigned char* prelocs,
 442     size_t reloc_count,
 443     Output_section* output_section,
 444     off_t offset_in_output_section,
 445     const Relocatable_relocs* rr,
 446     unsigned char* view,
 447     typename elfcpp::Elf_types<size>::Elf_Addr view_address,
 448     section_size_type,
 449     unsigned char* reloc_view,
 450     section_size_type reloc_view_size)
 451 {
 452   typedef typename Reloc_types<sh_type, size, big_endian>::Reloc Reltype;
 453   typedef typename Reloc_types<sh_type, size, big_endian>::Reloc_write
 454     Reltype_write;
 455   const int reloc_size = Reloc_types<sh_type, size, big_endian>::reloc_size;
 456
 457   Sized_relobj<size, big_endian>* const object = relinfo->object;
 458   const unsigned int local_count = object->local_symbol_count();
 459
 460   unsigned char* pwrite = reloc_view;
 461
 462   for (size_t i = 0; i < reloc_count; ++i, prelocs += reloc_size)
 463     {
 464       Relocatable_relocs::Reloc_strategy strategy = rr->strategy(i);
 465       if (strategy == Relocatable_relocs::RELOC_DISCARD)
 466         continue;
 467
 468       Reltype reloc(prelocs);
 469       Reltype_write reloc_write(pwrite);
 470
 471       typename elfcpp::Elf_types<size>::Elf_WXword r_info = reloc.get_r_info();
 472       const unsigned int r_sym = elfcpp::elf_r_sym<size>(r_info);
 473       const unsigned int r_type = elfcpp::elf_r_type<size>(r_info);
 474
 475       // Get the new symbol index.
 476
 477       unsigned int new_symndx;
 478       if (r_sym < local_count)
 479         {
 480           switch (strategy)
 481             {
 482             case Relocatable_relocs::RELOC_COPY:
 483               new_symndx = object->symtab_index(r_sym);
 484               gold_assert(new_symndx != -1U);
 485               break;
 486
 487             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_RELA:
 488             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_0:
 489             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_1:
 490             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_2:
 491             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_4:
 492             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_8:
 493               {
 494                 // We are adjusting a section symbol.  We need to find
 495                 // the symbol table index of the section symbol for
 496                 // the output section corresponding to input section
 497                 // in which this symbol is defined.
 498                 gold_assert(r_sym < local_count);
 499                 bool is_ordinary;
 500                 unsigned int shndx =
 501                   object->local_symbol_input_shndx(r_sym, &is_ordinary);
 502                 gold_assert(is_ordinary);
 503                 section_offset_type dummy;
 504                 Output_section* os = object->output_section(shndx, &dummy);
 505                 gold_assert(os != NULL);
 506                 gold_assert(os->needs_symtab_index());
 507                 new_symndx = os->symtab_index();
 508               }
 509               break;
 510
 511             default:
 512               gold_unreachable();
 513             }
 514         }
 515       else
 516         {
 517           const Symbol* gsym = object->global_symbol(r_sym);
 518           gold_assert(gsym != NULL);
 519           if (gsym->is_forwarder())
 520             gsym = relinfo->symtab->resolve_forwards(gsym);
 521
 522           gold_assert(gsym->has_symtab_index());
 523           new_symndx = gsym->symtab_index();
 524         }
 525
 526       // Get the new offset--the location in the output section where
 527       // this relocation should be applied.
 528
 529       off_t offset = reloc.get_r_offset();
 530       off_t new_offset;
 531       if (offset_in_output_section != -1)
 532         new_offset = offset + offset_in_output_section;
 533       else
 534         {
 535           new_offset = output_section->output_offset(object,
 536                                                      relinfo->data_shndx,
 537                                                      offset);
 538           gold_assert(new_offset != -1);
 539         }
 540
 541       // In an object file, r_offset is an offset within the section.
 542       // In an executable or dynamic object, generated by
 543       // --emit-relocs, r_offset is an absolute address.
 544       if (!parameters->options().relocatable())
 545         new_offset += view_address;
 546
 547       reloc_write.put_r_offset(new_offset);
 548       reloc_write.put_r_info(elfcpp::elf_r_info<size>(new_symndx, r_type));
 549
 550       // Handle the reloc addend based on the strategy.
 551
 552       if (strategy == Relocatable_relocs::RELOC_COPY)
 553         {
 554           if (sh_type == elfcpp::SHT_RELA)
 555             Reloc_types<sh_type, size, big_endian>::
 556               copy_reloc_addend(&reloc_write,
 557                                 &reloc);
 558         }
 559       else
 560         {
 561           // The relocation uses a section symbol in the input file.
 562           // We are adjusting it to use a section symbol in the output
 563           // file.  The input section symbol refers to some address in
 564           // the input section.  We need the relocation in the output
 565           // file to refer to that same address.  This adjustment to
 566           // the addend is the same calculation we use for a simple
 567           // absolute relocation for the input section symbol.
 568
 569           const Symbol_value<size>* psymval = object->local_symbol(r_sym);
 570
 571           unsigned char* padd = view + offset;
 572           switch (strategy)
 573             {
 574             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_RELA:
 575               {
 576                 typename elfcpp::Elf_types<size>::Elf_Swxword addend;
 577                 addend = Reloc_types<sh_type, size, big_endian>::
 578                            get_reloc_addend(&reloc);
 579                 addend = psymval->value(object, addend);
 580                 Reloc_types<sh_type, size, big_endian>::
 581                   set_reloc_addend(&reloc_write, addend);
 582               }
 583               break;
 584
 585             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_0:
 586               break;
 587
 588             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_1:
 589               Relocate_functions<size, big_endian>::rel8(padd, object,
 590                                                          psymval);
 591               break;
 592
 593             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_2:
 594               Relocate_functions<size, big_endian>::rel16(padd, object,
 595                                                           psymval);
 596               break;
 597
 598             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_4:
 599               Relocate_functions<size, big_endian>::rel32(padd, object,
 600                                                           psymval);
 601               break;
 602
 603             case Relocatable_relocs::RELOC_ADJUST_FOR_SECTION_8:
 604               Relocate_functions<size, big_endian>::rel64(padd, object,
 605                                                           psymval);
 606               break;
 607
 608             default:
 609               gold_unreachable();
 610             }
 611         }
 612
 613       pwrite += reloc_size;
 614     }
 615
 616   gold_assert(static_cast<section_size_type>(pwrite - reloc_view)
 617               == reloc_view_size);
 618 }
 619
 620 } // End namespace gold.
 621
 622 #endif // !defined(GOLD_TARGET_RELOC_H)