aboutsummaryrefslogtreecommitdiff
path: root/gold/reloc.cc
blob: 001fb01cc1e70584a480a3b3d576dae87ac6b5c7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
// reloc.cc -- relocate input files for gold.

#include "gold.h"

#include "workqueue.h"
#include "object.h"
#include "symtab.h"
#include "output.h"
#include "reloc.h"

namespace gold
{

// Read_relocs methods.

// These tasks just read the relocation information from the file.
// After reading it, the start another task to process the
// information.  These tasks requires access to the file.

Task::Is_runnable_type
Read_relocs::is_runnable(Workqueue*)
{
  return this->object_->is_locked() ? IS_LOCKED : IS_RUNNABLE;
}

// Lock the file.

Task_locker*
Read_relocs::locks(Workqueue*)
{
  return new Task_locker_obj<Object>(*this->object_);
}

// Read the relocations and then start a Scan_relocs_task.

void
Read_relocs::run(Workqueue* workqueue)
{
  Read_relocs_data *rd = new Read_relocs_data;
  this->object_->read_relocs(rd);
  workqueue->queue_front(new Scan_relocs(this->options_, this->symtab_,
					 this->layout_, this->object_, rd,
					 this->symtab_lock_, this->blocker_));
}

// Scan_relocs methods.

// These tasks scan the relocations read by Read_relocs and mark up
// the symbol table to indicate which relocations are required.  We
// use a lock on the symbol table to keep them from interfering with
// each other.

Task::Is_runnable_type
Scan_relocs::is_runnable(Workqueue*)
{
  if (!this->symtab_lock_->is_writable() || this->object_->is_locked())
    return IS_LOCKED;
  return IS_RUNNABLE;
}

// Return the locks we hold: one on the file, one on the symbol table
// and one blocker.

class Scan_relocs::Scan_relocs_locker : public Task_locker
{
 public:
  Scan_relocs_locker(Object* object, Task_token& symtab_lock, Task* task,
		     Task_token& blocker, Workqueue* workqueue)
    : objlock_(*object), symtab_locker_(symtab_lock, task),
      blocker_(blocker, workqueue)
  { }

 private:
  Task_locker_obj<Object> objlock_;
  Task_locker_write symtab_locker_;
  Task_locker_block blocker_;
};

Task_locker*
Scan_relocs::locks(Workqueue* workqueue)
{
  return new Scan_relocs_locker(this->object_, *this->symtab_lock_, this,
				*this->blocker_, workqueue);
}

// Scan the relocs.

void
Scan_relocs::run(Workqueue*)
{
  this->object_->scan_relocs(this->options_, this->symtab_, this->layout_,
			     this->rd_);
  delete this->rd_;
  this->rd_ = NULL;
}

// Relocate_task methods.

// These tasks are always runnable.

Task::Is_runnable_type
Relocate_task::is_runnable(Workqueue*)
{
  return IS_RUNNABLE;
}

// We want to lock the file while we run.  We want to unblock
// FINAL_BLOCKER when we are done.

class Relocate_task::Relocate_locker : public Task_locker
{
 public:
  Relocate_locker(Task_token& token, Workqueue* workqueue,
		  Object* object)
    : blocker_(token, workqueue), objlock_(*object)
  { }

 private:
  Task_locker_block blocker_;
  Task_locker_obj<Object> objlock_;
};

Task_locker*
Relocate_task::locks(Workqueue* workqueue)
{
  return new Relocate_locker(*this->final_blocker_, workqueue,
			     this->object_);
}

// Run the task.

void
Relocate_task::run(Workqueue*)
{
  this->object_->relocate(this->options_, this->symtab_, this->layout_,
			  this->of_);
}

// Read the relocs and local symbols from the object file and store
// the information in RD.

template<int size, bool big_endian>
void
Sized_relobj<size, big_endian>::do_read_relocs(Read_relocs_data* rd)
{
  rd->relocs.clear();

  unsigned int shnum = this->shnum();
  if (shnum == 0)
    return;

  rd->relocs.reserve(shnum / 2);

  const unsigned char *pshdrs = this->get_view(this->elf_file_.shoff(),
					       shnum * This::shdr_size);
  // Skip the first, dummy, section.
  const unsigned char *ps = pshdrs + This::shdr_size;
  for (unsigned int i = 1; i < shnum; ++i, ps += This::shdr_size)
    {
      typename This::Shdr shdr(ps);

      unsigned int sh_type = shdr.get_sh_type();
      if (sh_type != elfcpp::SHT_REL && sh_type != elfcpp::SHT_RELA)
	continue;

      unsigned int shndx = shdr.get_sh_info();
      if (shndx >= shnum)
	{
	  fprintf(stderr, _("%s: %s: relocation section %u has bad info %u\n"),
		  program_name, this->name().c_str(), i, shndx);
	  gold_exit(false);
	}

      if (!this->is_section_included(shndx))
	continue;

      // We are scanning relocations in order to fill out the GOT and
      // PLT sections.  Relocations for sections which are not
      // allocated (typically debugging sections) should not add new
      // GOT and PLT entries.  So we skip them.
      typename This::Shdr secshdr(pshdrs + shndx * This::shdr_size);
      if ((secshdr.get_sh_flags() & elfcpp::SHF_ALLOC) == 0)
	continue;

      if (shdr.get_sh_link() != this->symtab_shndx_)
	{
	  fprintf(stderr,
		  _("%s: %s: relocation section %u uses unexpected "
		    "symbol table %u\n"),
		  program_name, this->name().c_str(), i, shdr.get_sh_link());
	  gold_exit(false);
	}

      off_t sh_size = shdr.get_sh_size();

      unsigned int reloc_size;
      if (sh_type == elfcpp::SHT_REL)
	reloc_size = elfcpp::Elf_sizes<size>::rel_size;
      else
	reloc_size = elfcpp::Elf_sizes<size>::rela_size;
      if (reloc_size != shdr.get_sh_entsize())
	{
	  fprintf(stderr,
		  _("%s: %s: unexpected entsize for reloc section %u: "
		    "%lu != %u"),
		  program_name, this->name().c_str(), i,
		  static_cast<unsigned long>(shdr.get_sh_entsize()),
		  reloc_size);
	  gold_exit(false);
	}

      size_t reloc_count = sh_size / reloc_size;
      if (reloc_count * reloc_size != sh_size)
	{
	  fprintf(stderr, _("%s: %s: reloc section %u size %lu uneven"),
		  program_name, this->name().c_str(), i,
		  static_cast<unsigned long>(sh_size));
	  gold_exit(false);
	}

      rd->relocs.push_back(Section_relocs());
      Section_relocs& sr(rd->relocs.back());
      sr.reloc_shndx = i;
      sr.data_shndx = shndx;
      sr.contents = this->get_lasting_view(shdr.get_sh_offset(), sh_size);
      sr.sh_type = sh_type;
      sr.reloc_count = reloc_count;
    }

  // Read the local symbols.
  gold_assert(this->symtab_shndx_ != -1U);
  if (this->symtab_shndx_ == 0 || this->local_symbol_count_ == 0)
    rd->local_symbols = NULL;
  else
    {
      typename This::Shdr symtabshdr(pshdrs
				     + this->symtab_shndx_ * This::shdr_size);
      gold_assert(symtabshdr.get_sh_type() == elfcpp::SHT_SYMTAB);
      const int sym_size = This::sym_size;
      const unsigned int loccount = this->local_symbol_count_;
      gold_assert(loccount == symtabshdr.get_sh_info());
      off_t locsize = loccount * sym_size;
      rd->local_symbols = this->get_lasting_view(symtabshdr.get_sh_offset(),
						 locsize);
    }
}

// Scan the relocs and adjust the symbol table.  This looks for
// relocations which require GOT/PLT/COPY relocations.

template<int size, bool big_endian>
void
Sized_relobj<size, big_endian>::do_scan_relocs(const General_options& options,
					       Symbol_table* symtab,
					       Layout* layout,
					       Read_relocs_data* rd)
{
  Sized_target<size, big_endian>* target = this->sized_target();

  const unsigned char* local_symbols;
  if (rd->local_symbols == NULL)
    local_symbols = NULL;
  else
    local_symbols = rd->local_symbols->data();

  for (Read_relocs_data::Relocs_list::iterator p = rd->relocs.begin();
       p != rd->relocs.end();
       ++p)
    {
      target->scan_relocs(options, symtab, layout, this, p->data_shndx,
			  p->sh_type, p->contents->data(), p->reloc_count,
			  this->local_symbol_count_,
			  local_symbols,
			  this->symbols_);
      delete p->contents;
      p->contents = NULL;
    }

  if (rd->local_symbols != NULL)
    {
      delete rd->local_symbols;
      rd->local_symbols = NULL;
    }
}

// Relocate the input sections and write out the local symbols.

template<int size, bool big_endian>
void
Sized_relobj<size, big_endian>::do_relocate(const General_options& options,
					    const Symbol_table* symtab,
					    const Layout* layout,
					    Output_file* of)
{
  unsigned int shnum = this->shnum();

  // Read the section headers.
  const unsigned char* pshdrs = this->get_view(this->elf_file_.shoff(),
					       shnum * This::shdr_size);

  Views views;
  views.resize(shnum);

  // Make two passes over the sections.  The first one copies the
  // section data to the output file.  The second one applies
  // relocations.

  this->write_sections(pshdrs, of, &views);

  // Apply relocations.

  this->relocate_sections(options, symtab, layout, pshdrs, &views);

  // Write out the accumulated views.
  for (unsigned int i = 1; i < shnum; ++i)
    {
      if (views[i].view != NULL)
	of->write_output_view(views[i].offset, views[i].view_size,
			      views[i].view);
    }

  // Write out the local symbols.
  this->write_local_symbols(of, layout->sympool());
}

// Write section data to the output file.  PSHDRS points to the
// section headers.  Record the views in *PVIEWS for use when
// relocating.

template<int size, bool big_endian>
void
Sized_relobj<size, big_endian>::write_sections(const unsigned char* pshdrs,
					       Output_file* of,
					       Views* pviews)
{
  unsigned int shnum = this->shnum();
  std::vector<Map_to_output>& map_sections(this->map_to_output());

  const unsigned char* p = pshdrs + This::shdr_size;
  for (unsigned int i = 1; i < shnum; ++i, p += This::shdr_size)
    {
      View_size* pvs = &(*pviews)[i];

      pvs->view = NULL;

      const Output_section* os = map_sections[i].output_section;
      if (os == NULL)
	continue;

      typename This::Shdr shdr(p);

      if (shdr.get_sh_type() == elfcpp::SHT_NOBITS)
	continue;

      off_t start = os->offset() + map_sections[i].offset;
      off_t sh_size = shdr.get_sh_size();

      if (sh_size == 0)
	continue;

      gold_assert(map_sections[i].offset >= 0
		  && map_sections[i].offset + sh_size <= os->data_size());

      unsigned char* view = of->get_output_view(start, sh_size);
      this->read(shdr.get_sh_offset(), sh_size, view);

      pvs->view = view;
      pvs->address = os->address() + map_sections[i].offset;
      pvs->offset = start;
      pvs->view_size = sh_size;
    }
}

// Relocate section data.  VIEWS points to the section data as views
// in the output file.

template<int size, bool big_endian>
void
Sized_relobj<size, big_endian>::relocate_sections(
    const General_options& options,
    const Symbol_table* symtab,
    const Layout* layout,
    const unsigned char* pshdrs,
    Views* pviews)
{
  unsigned int shnum = this->shnum();
  Sized_target<size, big_endian>* target = this->sized_target();

  Relocate_info<size, big_endian> relinfo;
  relinfo.options = &options;
  relinfo.symtab = symtab;
  relinfo.layout = layout;
  relinfo.object = this;
  relinfo.local_symbol_count = this->local_symbol_count_;
  relinfo.local_values = &this->local_values_;
  relinfo.symbols = this->symbols_;

  const unsigned char* p = pshdrs + This::shdr_size;
  for (unsigned int i = 1; i < shnum; ++i, p += This::shdr_size)
    {
      typename This::Shdr shdr(p);

      unsigned int sh_type = shdr.get_sh_type();
      if (sh_type != elfcpp::SHT_REL && sh_type != elfcpp::SHT_RELA)
	continue;

      unsigned int index = shdr.get_sh_info();
      if (index >= this->shnum())
	{
	  fprintf(stderr, _("%s: %s: relocation section %u has bad info %u\n"),
		  program_name, this->name().c_str(), i, index);
	  gold_exit(false);
	}

      if (!this->is_section_included(index))
	{
	  // This relocation section is against a section which we
	  // discarded.
	  continue;
	}

      gold_assert((*pviews)[index].view != NULL);

      if (shdr.get_sh_link() != this->symtab_shndx_)
	{
	  fprintf(stderr,
		  _("%s: %s: relocation section %u uses unexpected "
		    "symbol table %u\n"),
		  program_name, this->name().c_str(), i, shdr.get_sh_link());
	  gold_exit(false);
	}

      off_t sh_size = shdr.get_sh_size();
      const unsigned char* prelocs = this->get_view(shdr.get_sh_offset(),
						    sh_size);

      unsigned int reloc_size;
      if (sh_type == elfcpp::SHT_REL)
	reloc_size = elfcpp::Elf_sizes<size>::rel_size;
      else
	reloc_size = elfcpp::Elf_sizes<size>::rela_size;

      if (reloc_size != shdr.get_sh_entsize())
	{
	  fprintf(stderr,
		  _("%s: %s: unexpected entsize for reloc section %u: "
		    "%lu != %u"),
		  program_name, this->name().c_str(), i,
		  static_cast<unsigned long>(shdr.get_sh_entsize()),
		  reloc_size);
	  gold_exit(false);
	}

      size_t reloc_count = sh_size / reloc_size;
      if (reloc_count * reloc_size != sh_size)
	{
	  fprintf(stderr, _("%s: %s: reloc section %u size %lu uneven"),
		  program_name, this->name().c_str(), i,
		  static_cast<unsigned long>(sh_size));
	  gold_exit(false);
	}

      relinfo.reloc_shndx = i;
      relinfo.data_shndx = index;
      target->relocate_section(&relinfo,
			       sh_type,
			       prelocs,
			       reloc_count,
			       (*pviews)[index].view,
			       (*pviews)[index].address,
			       (*pviews)[index].view_size);
    }
}

// Copy_relocs::Copy_reloc_entry methods.

// Return whether we should emit this reloc.  We should emit it if the
// symbol is still defined in a dynamic object.  If we should not emit
// it, we clear it, to save ourselves the test next time.

template<int size, bool big_endian>
bool
Copy_relocs<size, big_endian>::Copy_reloc_entry::should_emit()
{
  if (this->sym_ == NULL)
    return false;
  if (this->sym_->is_from_dynobj())
    return true;
  this->sym_ = NULL;
  return false;
}

// Emit a reloc into a SHT_REL section.

template<int size, bool big_endian>
void
Copy_relocs<size, big_endian>::Copy_reloc_entry::emit(
    Output_data_reloc<elfcpp::SHT_REL, true, size, big_endian>* reloc_data)
{
  this->sym_->set_needs_dynsym_entry();
  reloc_data->add_global(this->sym_, this->reloc_type_, this->relobj_,
			 this->shndx_, this->address_);
}

// Emit a reloc into a SHT_RELA section.

template<int size, bool big_endian>
void
Copy_relocs<size, big_endian>::Copy_reloc_entry::emit(
    Output_data_reloc<elfcpp::SHT_RELA, true, size, big_endian>* reloc_data)
{
  this->sym_->set_needs_dynsym_entry();
  reloc_data->add_global(this->sym_, this->reloc_type_, this->relobj_,
			 this->shndx_, this->address_, this->addend_);
}

// Copy_relocs methods.

// Return whether we need a COPY reloc for a relocation against GSYM.
// The relocation is being applied to section SHNDX in OBJECT.

template<int size, bool big_endian>
bool
Copy_relocs<size, big_endian>::need_copy_reloc(
    const General_options*,
    Relobj* object,
    unsigned int shndx,
    Sized_symbol<size>* sym)
{
  // FIXME: Handle -z nocopyrelocs.

  if (sym->symsize() == 0)
    return false;

  // If this is a readonly section, then we need a COPY reloc.
  // Otherwise we can use a dynamic reloc.
  if ((object->section_flags(shndx) & elfcpp::SHF_WRITE) == 0)
    return true;

  return false;
}

// Save a Rel reloc.

template<int size, bool big_endian>
void
Copy_relocs<size, big_endian>::save(
    Symbol* sym,
    Relobj* relobj,
    unsigned int shndx,
    const elfcpp::Rel<size, big_endian>& rel)
{
  unsigned int reloc_type = elfcpp::elf_r_type<size>(rel.get_r_info());
  this->entries_.push_back(Copy_reloc_entry(sym, reloc_type, relobj, shndx,
					    rel.get_r_offset(), 0));
}

// Save a Rela reloc.

template<int size, bool big_endian>
void
Copy_relocs<size, big_endian>::save(
    Symbol* sym,
    Relobj* relobj,
    unsigned int shndx,
    const elfcpp::Rela<size, big_endian>& rela)
{
  unsigned int reloc_type = elfcpp::elf_r_type<size>(rela.get_r_info());
  this->entries_.push_back(Copy_reloc_entry(sym, reloc_type, relobj, shndx,
					    rela.get_r_offset(),
					    rela.get_r_addend()));
}

// Return whether there are any relocs to emit.  We don't want to emit
// a reloc if the symbol is no longer defined in a dynamic object.

template<int size, bool big_endian>
bool
Copy_relocs<size, big_endian>::any_to_emit()
{
  for (typename Copy_reloc_entries::iterator p = this->entries_.begin();
       p != this->entries_.end();
       ++p)
    {
      if (p->should_emit())
	return true;
    }
  return false;
}

// Emit relocs.

template<int size, bool big_endian>
template<int sh_type>
void
Copy_relocs<size, big_endian>::emit(
    Output_data_reloc<sh_type, true, size, big_endian>* reloc_data)
{
  for (typename Copy_reloc_entries::iterator p = this->entries_.begin();
       p != this->entries_.end();
       ++p)
    {
      if (p->should_emit())
	p->emit(reloc_data);
    }
}

// Instantiate the templates we need.  We could use the configure
// script to restrict this to only the ones for implemented targets.

template
void
Sized_relobj<32, false>::do_read_relocs(Read_relocs_data* rd);

template
void
Sized_relobj<32, true>::do_read_relocs(Read_relocs_data* rd);

template
void
Sized_relobj<64, false>::do_read_relocs(Read_relocs_data* rd);

template
void
Sized_relobj<64, true>::do_read_relocs(Read_relocs_data* rd);

template
void
Sized_relobj<32, false>::do_scan_relocs(const General_options& options,
					Symbol_table* symtab,
					Layout* layout,
					Read_relocs_data* rd);

template
void
Sized_relobj<32, true>::do_scan_relocs(const General_options& options,
				       Symbol_table* symtab,
				       Layout* layout,
				       Read_relocs_data* rd);

template
void
Sized_relobj<64, false>::do_scan_relocs(const General_options& options,
					Symbol_table* symtab,
					Layout* layout,
					Read_relocs_data* rd);

template
void
Sized_relobj<64, true>::do_scan_relocs(const General_options& options,
				       Symbol_table* symtab,
				       Layout* layout,
				       Read_relocs_data* rd);

template
void
Sized_relobj<32, false>::do_relocate(const General_options& options,
				     const Symbol_table* symtab,
				     const Layout* layout,
				     Output_file* of);

template
void
Sized_relobj<32, true>::do_relocate(const General_options& options,
				    const Symbol_table* symtab,
				    const Layout* layout,
				    Output_file* of);

template
void
Sized_relobj<64, false>::do_relocate(const General_options& options,
				     const Symbol_table* symtab,
				     const Layout* layout,
				     Output_file* of);

template
void
Sized_relobj<64, true>::do_relocate(const General_options& options,
				    const Symbol_table* symtab,
				    const Layout* layout,
				    Output_file* of);

template
class Copy_relocs<32, false>;

template
class Copy_relocs<32, true>;

template
class Copy_relocs<64, false>;

template
class Copy_relocs<64, true>;

template
void
Copy_relocs<32, false>::emit<elfcpp::SHT_REL>(
    Output_data_reloc<elfcpp::SHT_REL, true, 32, false>*);

template
void
Copy_relocs<32, true>::emit<elfcpp::SHT_REL>(
    Output_data_reloc<elfcpp::SHT_REL, true, 32, true>*);

template
void
Copy_relocs<64, false>::emit<elfcpp::SHT_REL>(
    Output_data_reloc<elfcpp::SHT_REL, true, 64, false>*);

template
void
Copy_relocs<64, true>::emit<elfcpp::SHT_REL>(
    Output_data_reloc<elfcpp::SHT_REL, true, 64, true>*);

template
void
Copy_relocs<32, false>::emit<elfcpp::SHT_RELA>(
    Output_data_reloc<elfcpp::SHT_RELA , true, 32, false>*);

template
void
Copy_relocs<32, true>::emit<elfcpp::SHT_RELA>(
    Output_data_reloc<elfcpp::SHT_RELA, true, 32, true>*);

template
void
Copy_relocs<64, false>::emit<elfcpp::SHT_RELA>(
    Output_data_reloc<elfcpp::SHT_RELA, true, 64, false>*);

template
void
Copy_relocs<64, true>::emit<elfcpp::SHT_RELA>(
    Output_data_reloc<elfcpp::SHT_RELA, true, 64, true>*);

} // End namespace gold.