llvm.org GIT mirror llvm / 3d21815 include / llvm / Object / ObjectFile.h
3d21815

Tree @3d21815 (Download .tar.gz)

ObjectFile.h @3d21815raw · history · blame

  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
//===- ObjectFile.h - File format independent object file -------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares a file format independent ObjectFile class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_OBJECT_OBJECTFILE_H
#define LLVM_OBJECT_OBJECTFILE_H

#include "llvm/ADT/StringRef.h"
#include "llvm/Object/Binary.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MemoryBuffer.h"
#include <cstring>
#include <vector>

namespace llvm {
namespace object {

class ObjectFile;

union DataRefImpl {
  // This entire union should probably be a
  // char[max(8, sizeof(uintptr_t))] and require the impl to cast.
  struct {
    uint32_t a, b;
  } d;
  uintptr_t p;
  DataRefImpl() {
    std::memset(this, 0, sizeof(DataRefImpl));
  }
};

template<class content_type>
class content_iterator {
  content_type Current;
public:
  content_iterator(content_type symb)
    : Current(symb) {}

  const content_type* operator->() const {
    return &Current;
  }

  const content_type &operator*() const {
    return Current;
  }

  bool operator==(const content_iterator &other) const {
    return Current == other.Current;
  }

  bool operator!=(const content_iterator &other) const {
    return !(*this == other);
  }

  content_iterator& increment(error_code &err) {
    content_type next;
    if (error_code ec = Current.getNext(next))
      err = ec;
    else
      Current = next;
    return *this;
  }
};

inline bool operator==(const DataRefImpl &a, const DataRefImpl &b) {
  // Check bitwise identical. This is the only legal way to compare a union w/o
  // knowing which member is in use.
  return std::memcmp(&a, &b, sizeof(DataRefImpl)) == 0;
}

inline bool operator<(const DataRefImpl &a, const DataRefImpl &b) {
  // Check bitwise identical. This is the only legal way to compare a union w/o
  // knowing which member is in use.
  return std::memcmp(&a, &b, sizeof(DataRefImpl)) < 0;
}

class SymbolRef;
typedef content_iterator<SymbolRef> symbol_iterator;

/// RelocationRef - This is a value type class that represents a single
/// relocation in the list of relocations in the object file.
class RelocationRef {
  DataRefImpl RelocationPimpl;
  const ObjectFile *OwningObject;

public:
  RelocationRef() : OwningObject(NULL) { }

  RelocationRef(DataRefImpl RelocationP, const ObjectFile *Owner);

  bool operator==(const RelocationRef &Other) const;

  error_code getNext(RelocationRef &Result) const;

  error_code getAddress(uint64_t &Result) const;
  error_code getOffset(uint64_t &Result) const;
  symbol_iterator getSymbol() const;
  error_code getType(uint64_t &Result) const;

  /// @brief Indicates whether this relocation should hidden when listing
  /// relocations, usually because it is the trailing part of a multipart
  /// relocation that will be printed as part of the leading relocation.
  error_code getHidden(bool &Result) const;

  /// @brief Get a string that represents the type of this relocation.
  ///
  /// This is for display purposes only.
  error_code getTypeName(SmallVectorImpl<char> &Result) const;

  /// @brief Get a string that represents the calculation of the value of this
  ///        relocation.
  ///
  /// This is for display purposes only.
  error_code getValueString(SmallVectorImpl<char> &Result) const;

  DataRefImpl getRawDataRefImpl() const;
  const ObjectFile *getObjectFile() const;
};
typedef content_iterator<RelocationRef> relocation_iterator;

/// SectionRef - This is a value type class that represents a single section in
/// the list of sections in the object file.
class SectionRef;
typedef content_iterator<SectionRef> section_iterator;
class SectionRef {
  friend class SymbolRef;
  DataRefImpl SectionPimpl;
  const ObjectFile *OwningObject;

public:
  SectionRef() : OwningObject(NULL) { }

  SectionRef(DataRefImpl SectionP, const ObjectFile *Owner);

  bool operator==(const SectionRef &Other) const;
  bool operator<(const SectionRef &Other) const;

  error_code getNext(SectionRef &Result) const;

  error_code getName(StringRef &Result) const;
  error_code getAddress(uint64_t &Result) const;
  error_code getSize(uint64_t &Result) const;
  error_code getContents(StringRef &Result) const;

  /// @brief Get the alignment of this section as the actual value (not log 2).
  error_code getAlignment(uint64_t &Result) const;

  // FIXME: Move to the normalization layer when it's created.
  error_code isText(bool &Result) const;
  error_code isData(bool &Result) const;
  error_code isBSS(bool &Result) const;
  error_code isRequiredForExecution(bool &Result) const;
  error_code isVirtual(bool &Result) const;
  error_code isZeroInit(bool &Result) const;
  error_code isReadOnlyData(bool &Result) const;

  error_code containsSymbol(SymbolRef S, bool &Result) const;

  relocation_iterator begin_relocations() const;
  relocation_iterator end_relocations() const;
  section_iterator getRelocatedSection() const;

  DataRefImpl getRawDataRefImpl() const;
};

/// SymbolRef - This is a value type class that represents a single symbol in
/// the list of symbols in the object file.
class SymbolRef {
  friend class SectionRef;
  DataRefImpl SymbolPimpl;
  const ObjectFile *OwningObject;

public:
  SymbolRef() : OwningObject(NULL) { }

  enum Type {
    ST_Unknown, // Type not specified
    ST_Data,
    ST_Debug,
    ST_File,
    ST_Function,
    ST_Other
  };

  enum Flags LLVM_ENUM_INT_TYPE(unsigned) {
    SF_None            = 0,
    SF_Undefined       = 1U << 0,  // Symbol is defined in another object file
    SF_Global          = 1U << 1,  // Global symbol
    SF_Weak            = 1U << 2,  // Weak symbol
    SF_Absolute        = 1U << 3,  // Absolute symbol
    SF_ThreadLocal     = 1U << 4,  // Thread local symbol
    SF_Common          = 1U << 5,  // Symbol has common linkage
    SF_FormatSpecific  = 1U << 31  // Specific to the object file format
                                   // (e.g. section symbols)
  };

  SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner);

  bool operator==(const SymbolRef &Other) const;
  bool operator<(const SymbolRef &Other) const;

  error_code getNext(SymbolRef &Result) const;

  error_code getName(StringRef &Result) const;
  /// Returns the symbol virtual address (i.e. address at which it will be
  /// mapped).
  error_code getAddress(uint64_t &Result) const;
  error_code getFileOffset(uint64_t &Result) const;
  /// @brief Get the alignment of this symbol as the actual value (not log 2).
  error_code getAlignment(uint32_t &Result) const;
  error_code getSize(uint64_t &Result) const;
  error_code getType(SymbolRef::Type &Result) const;

  /// Get symbol flags (bitwise OR of SymbolRef::Flags)
  error_code getFlags(uint32_t &Result) const;

  /// @brief Get section this symbol is defined in reference to. Result is
  /// end_sections() if it is undefined or is an absolute symbol.
  error_code getSection(section_iterator &Result) const;

  /// @brief Get value of the symbol in the symbol table.
  error_code getValue(uint64_t &Val) const;

  DataRefImpl getRawDataRefImpl() const;
};

/// LibraryRef - This is a value type class that represents a single library in
/// the list of libraries needed by a shared or dynamic object.
class LibraryRef {
  friend class SectionRef;
  DataRefImpl LibraryPimpl;
  const ObjectFile *OwningObject;

public:
  LibraryRef() : OwningObject(NULL) { }

  LibraryRef(DataRefImpl LibraryP, const ObjectFile *Owner);

  bool operator==(const LibraryRef &Other) const;
  bool operator<(const LibraryRef &Other) const;

  error_code getNext(LibraryRef &Result) const;

  // Get the path to this library, as stored in the object file.
  error_code getPath(StringRef &Result) const;

  DataRefImpl getRawDataRefImpl() const;
};
typedef content_iterator<LibraryRef> library_iterator;

const uint64_t UnknownAddressOrSize = ~0ULL;

/// ObjectFile - This class is the base class for all object file types.
/// Concrete instances of this object are created by createObjectFile, which
/// figures out which type to create.
class ObjectFile : public Binary {
  virtual void anchor();
  ObjectFile() LLVM_DELETED_FUNCTION;
  ObjectFile(const ObjectFile &other) LLVM_DELETED_FUNCTION;

protected:
  ObjectFile(unsigned int Type, MemoryBuffer *source);

  const uint8_t *base() const {
    return reinterpret_cast<const uint8_t *>(Data->getBufferStart());
  }

  // These functions are for SymbolRef to call internally. The main goal of
  // this is to allow SymbolRef::SymbolPimpl to point directly to the symbol
  // entry in the memory mapped object file. SymbolPimpl cannot contain any
  // virtual functions because then it could not point into the memory mapped
  // file.
  //
  // Implementations assume that the DataRefImpl is valid and has not been
  // modified externally. It's UB otherwise.
  friend class SymbolRef;
  virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const = 0;
  virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const = 0;
  virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const = 0;
  virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res)const=0;
  virtual error_code getSymbolAlignment(DataRefImpl Symb, uint32_t &Res) const;
  virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const = 0;
  virtual error_code getSymbolType(DataRefImpl Symb,
                                   SymbolRef::Type &Res) const = 0;
  virtual error_code getSymbolFlags(DataRefImpl Symb,
                                    uint32_t &Res) const = 0;
  virtual error_code getSymbolSection(DataRefImpl Symb,
                                      section_iterator &Res) const = 0;
  virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const = 0;

  // Same as above for SectionRef.
  friend class SectionRef;
  virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const = 0;
  virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const = 0;
  virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const =0;
  virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const = 0;
  virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res)const=0;
  virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res)const=0;
  virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const = 0;
  virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const = 0;
  virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const = 0;
  virtual error_code isSectionRequiredForExecution(DataRefImpl Sec,
                                                   bool &Res) const = 0;
  // A section is 'virtual' if its contents aren't present in the object image.
  virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const = 0;
  virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const = 0;
  virtual error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const =0;
  virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
                                           bool &Result) const = 0;
  virtual relocation_iterator section_rel_begin(DataRefImpl Sec) const = 0;
  virtual relocation_iterator section_rel_end(DataRefImpl Sec) const = 0;
  virtual section_iterator getRelocatedSection(DataRefImpl Sec) const;

  // Same as above for RelocationRef.
  friend class RelocationRef;
  virtual error_code getRelocationNext(DataRefImpl Rel,
                                       RelocationRef &Res) const = 0;
  virtual error_code getRelocationAddress(DataRefImpl Rel,
                                          uint64_t &Res) const =0;
  virtual error_code getRelocationOffset(DataRefImpl Rel,
                                         uint64_t &Res) const =0;
  virtual symbol_iterator getRelocationSymbol(DataRefImpl Rel) const = 0;
  virtual error_code getRelocationType(DataRefImpl Rel,
                                       uint64_t &Res) const = 0;
  virtual error_code getRelocationTypeName(DataRefImpl Rel,
                                       SmallVectorImpl<char> &Result) const = 0;
  virtual error_code getRelocationValueString(DataRefImpl Rel,
                                       SmallVectorImpl<char> &Result) const = 0;
  virtual error_code getRelocationHidden(DataRefImpl Rel, bool &Result) const {
    Result = false;
    return object_error::success;
  }

  // Same for LibraryRef
  friend class LibraryRef;
  virtual error_code getLibraryNext(DataRefImpl Lib, LibraryRef &Res) const = 0;
  virtual error_code getLibraryPath(DataRefImpl Lib, StringRef &Res) const = 0;

public:

  virtual symbol_iterator begin_symbols() const = 0;
  virtual symbol_iterator end_symbols() const = 0;

  virtual symbol_iterator begin_dynamic_symbols() const = 0;
  virtual symbol_iterator end_dynamic_symbols() const = 0;

  virtual section_iterator begin_sections() const = 0;
  virtual section_iterator end_sections() const = 0;

  virtual library_iterator begin_libraries_needed() const = 0;
  virtual library_iterator end_libraries_needed() const = 0;

  /// @brief The number of bytes used to represent an address in this object
  ///        file format.
  virtual uint8_t getBytesInAddress() const = 0;

  virtual StringRef getFileFormatName() const = 0;
  virtual /* Triple::ArchType */ unsigned getArch() const = 0;

  /// For shared objects, returns the name which this object should be
  /// loaded from at runtime. This corresponds to DT_SONAME on ELF and
  /// LC_ID_DYLIB (install name) on MachO.
  virtual StringRef getLoadName() const = 0;

  /// @returns Pointer to ObjectFile subclass to handle this type of object.
  /// @param ObjectPath The path to the object file. ObjectPath.isObject must
  ///        return true.
  /// @brief Create ObjectFile from path.
  static ObjectFile *createObjectFile(StringRef ObjectPath);
  static ObjectFile *createObjectFile(MemoryBuffer *Object);

  static inline bool classof(const Binary *v) {
    return v->isObject();
  }

public:
  static ErrorOr<ObjectFile *> createCOFFObjectFile(MemoryBuffer *Object);
  static ErrorOr<ObjectFile *> createELFObjectFile(MemoryBuffer *Object);
  static ErrorOr<ObjectFile *> createMachOObjectFile(MemoryBuffer *Object);
};

// Inline function definitions.
inline SymbolRef::SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner)
  : SymbolPimpl(SymbolP)
  , OwningObject(Owner) {}

inline bool SymbolRef::operator==(const SymbolRef &Other) const {
  return SymbolPimpl == Other.SymbolPimpl;
}

inline bool SymbolRef::operator<(const SymbolRef &Other) const {
  return SymbolPimpl < Other.SymbolPimpl;
}

inline error_code SymbolRef::getNext(SymbolRef &Result) const {
  return OwningObject->getSymbolNext(SymbolPimpl, Result);
}

inline error_code SymbolRef::getName(StringRef &Result) const {
  return OwningObject->getSymbolName(SymbolPimpl, Result);
}

inline error_code SymbolRef::getAddress(uint64_t &Result) const {
  return OwningObject->getSymbolAddress(SymbolPimpl, Result);
}

inline error_code SymbolRef::getFileOffset(uint64_t &Result) const {
  return OwningObject->getSymbolFileOffset(SymbolPimpl, Result);
}

inline error_code SymbolRef::getAlignment(uint32_t &Result) const {
  return OwningObject->getSymbolAlignment(SymbolPimpl, Result);
}

inline error_code SymbolRef::getSize(uint64_t &Result) const {
  return OwningObject->getSymbolSize(SymbolPimpl, Result);
}

inline error_code SymbolRef::getFlags(uint32_t &Result) const {
  return OwningObject->getSymbolFlags(SymbolPimpl, Result);
}

inline error_code SymbolRef::getSection(section_iterator &Result) const {
  return OwningObject->getSymbolSection(SymbolPimpl, Result);
}

inline error_code SymbolRef::getType(SymbolRef::Type &Result) const {
  return OwningObject->getSymbolType(SymbolPimpl, Result);
}

inline error_code SymbolRef::getValue(uint64_t &Val) const {
  return OwningObject->getSymbolValue(SymbolPimpl, Val);
}

inline DataRefImpl SymbolRef::getRawDataRefImpl() const {
  return SymbolPimpl;
}


/// SectionRef
inline SectionRef::SectionRef(DataRefImpl SectionP,
                              const ObjectFile *Owner)
  : SectionPimpl(SectionP)
  , OwningObject(Owner) {}

inline bool SectionRef::operator==(const SectionRef &Other) const {
  return SectionPimpl == Other.SectionPimpl;
}

inline bool SectionRef::operator<(const SectionRef &Other) const {
  return SectionPimpl < Other.SectionPimpl;
}

inline error_code SectionRef::getNext(SectionRef &Result) const {
  return OwningObject->getSectionNext(SectionPimpl, Result);
}

inline error_code SectionRef::getName(StringRef &Result) const {
  return OwningObject->getSectionName(SectionPimpl, Result);
}

inline error_code SectionRef::getAddress(uint64_t &Result) const {
  return OwningObject->getSectionAddress(SectionPimpl, Result);
}

inline error_code SectionRef::getSize(uint64_t &Result) const {
  return OwningObject->getSectionSize(SectionPimpl, Result);
}

inline error_code SectionRef::getContents(StringRef &Result) const {
  return OwningObject->getSectionContents(SectionPimpl, Result);
}

inline error_code SectionRef::getAlignment(uint64_t &Result) const {
  return OwningObject->getSectionAlignment(SectionPimpl, Result);
}

inline error_code SectionRef::isText(bool &Result) const {
  return OwningObject->isSectionText(SectionPimpl, Result);
}

inline error_code SectionRef::isData(bool &Result) const {
  return OwningObject->isSectionData(SectionPimpl, Result);
}

inline error_code SectionRef::isBSS(bool &Result) const {
  return OwningObject->isSectionBSS(SectionPimpl, Result);
}

inline error_code SectionRef::isRequiredForExecution(bool &Result) const {
  return OwningObject->isSectionRequiredForExecution(SectionPimpl, Result);
}

inline error_code SectionRef::isVirtual(bool &Result) const {
  return OwningObject->isSectionVirtual(SectionPimpl, Result);
}

inline error_code SectionRef::isZeroInit(bool &Result) const {
  return OwningObject->isSectionZeroInit(SectionPimpl, Result);
}

inline error_code SectionRef::isReadOnlyData(bool &Result) const {
  return OwningObject->isSectionReadOnlyData(SectionPimpl, Result);
}

inline error_code SectionRef::containsSymbol(SymbolRef S, bool &Result) const {
  return OwningObject->sectionContainsSymbol(SectionPimpl, S.SymbolPimpl,
                                             Result);
}

inline relocation_iterator SectionRef::begin_relocations() const {
  return OwningObject->section_rel_begin(SectionPimpl);
}

inline relocation_iterator SectionRef::end_relocations() const {
  return OwningObject->section_rel_end(SectionPimpl);
}

inline section_iterator SectionRef::getRelocatedSection() const {
  return OwningObject->getRelocatedSection(SectionPimpl);
}

inline DataRefImpl SectionRef::getRawDataRefImpl() const {
  return SectionPimpl;
}

/// RelocationRef
inline RelocationRef::RelocationRef(DataRefImpl RelocationP,
                              const ObjectFile *Owner)
  : RelocationPimpl(RelocationP)
  , OwningObject(Owner) {}

inline bool RelocationRef::operator==(const RelocationRef &Other) const {
  return RelocationPimpl == Other.RelocationPimpl;
}

inline error_code RelocationRef::getNext(RelocationRef &Result) const {
  return OwningObject->getRelocationNext(RelocationPimpl, Result);
}

inline error_code RelocationRef::getAddress(uint64_t &Result) const {
  return OwningObject->getRelocationAddress(RelocationPimpl, Result);
}

inline error_code RelocationRef::getOffset(uint64_t &Result) const {
  return OwningObject->getRelocationOffset(RelocationPimpl, Result);
}

inline symbol_iterator RelocationRef::getSymbol() const {
  return OwningObject->getRelocationSymbol(RelocationPimpl);
}

inline error_code RelocationRef::getType(uint64_t &Result) const {
  return OwningObject->getRelocationType(RelocationPimpl, Result);
}

inline error_code RelocationRef::getTypeName(SmallVectorImpl<char> &Result)
  const {
  return OwningObject->getRelocationTypeName(RelocationPimpl, Result);
}

inline error_code RelocationRef::getValueString(SmallVectorImpl<char> &Result)
  const {
  return OwningObject->getRelocationValueString(RelocationPimpl, Result);
}

inline error_code RelocationRef::getHidden(bool &Result) const {
  return OwningObject->getRelocationHidden(RelocationPimpl, Result);
}

inline DataRefImpl RelocationRef::getRawDataRefImpl() const {
  return RelocationPimpl;
}

inline const ObjectFile *RelocationRef::getObjectFile() const {
  return OwningObject;
}

// Inline function definitions.
inline LibraryRef::LibraryRef(DataRefImpl LibraryP, const ObjectFile *Owner)
  : LibraryPimpl(LibraryP)
  , OwningObject(Owner) {}

inline bool LibraryRef::operator==(const LibraryRef &Other) const {
  return LibraryPimpl == Other.LibraryPimpl;
}

inline bool LibraryRef::operator<(const LibraryRef &Other) const {
  return LibraryPimpl < Other.LibraryPimpl;
}

inline error_code LibraryRef::getNext(LibraryRef &Result) const {
  return OwningObject->getLibraryNext(LibraryPimpl, Result);
}

inline error_code LibraryRef::getPath(StringRef &Result) const {
  return OwningObject->getLibraryPath(LibraryPimpl, Result);
}

} // end namespace object
} // end namespace llvm

#endif