1 //===- ObjectFile.h - File format independent object file -------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file declares a file format independent ObjectFile class.
11 //
12 //===----------------------------------------------------------------------===//
13
14 #ifndef LLVM_OBJECT_OBJECT_FILE_H
15 #define LLVM_OBJECT_OBJECT_FILE_H
16
17 #include "llvm/Object/Binary.h"
18 #include "llvm/ADT/StringRef.h"
19 #include "llvm/Support/DataTypes.h"
20 #include "llvm/Support/ErrorHandling.h"
21 #include "llvm/Support/MemoryBuffer.h"
22 #include <cstring>
23 #include <vector>
24
25 namespace llvm {
26 namespace object {
27
28 class ObjectFile;
29
30 union DataRefImpl {
31 struct {
32 // ELF needs this for relocations. This entire union should probably be a
33 // char[max(8, sizeof(uintptr_t))] and require the impl to cast.
34 uint16_t a, b;
35 uint32_t c;
36 } w;
37 struct {
38 uint32_t a, b;
39 } d;
40 uintptr_t p;
DataRefImpl()41 DataRefImpl() {
42 std::memset(this, 0, sizeof(DataRefImpl));
43 }
44 };
45
46 template<class content_type>
47 class content_iterator {
48 content_type Current;
49 public:
content_iterator(content_type symb)50 content_iterator(content_type symb)
51 : Current(symb) {}
52
53 const content_type* operator->() const {
54 return &Current;
55 }
56
57 const content_type &operator*() const {
58 return Current;
59 }
60
61 bool operator==(const content_iterator &other) const {
62 return Current == other.Current;
63 }
64
65 bool operator!=(const content_iterator &other) const {
66 return !(*this == other);
67 }
68
increment(error_code & err)69 content_iterator& increment(error_code &err) {
70 content_type next;
71 if (error_code ec = Current.getNext(next))
72 err = ec;
73 else
74 Current = next;
75 return *this;
76 }
77 };
78
79 inline bool operator ==(const DataRefImpl &a, const DataRefImpl &b) {
80 // Check bitwise identical. This is the only legal way to compare a union w/o
81 // knowing which member is in use.
82 return std::memcmp(&a, &b, sizeof(DataRefImpl)) == 0;
83 }
84
85 inline bool operator <(const DataRefImpl &a, const DataRefImpl &b) {
86 // Check bitwise identical. This is the only legal way to compare a union w/o
87 // knowing which member is in use.
88 return std::memcmp(&a, &b, sizeof(DataRefImpl)) < 0;
89 }
90
91 class SymbolRef;
92
93 /// RelocationRef - This is a value type class that represents a single
94 /// relocation in the list of relocations in the object file.
95 class RelocationRef {
96 DataRefImpl RelocationPimpl;
97 const ObjectFile *OwningObject;
98
99 public:
RelocationRef()100 RelocationRef() : OwningObject(NULL) { }
101
102 RelocationRef(DataRefImpl RelocationP, const ObjectFile *Owner);
103
104 bool operator==(const RelocationRef &Other) const;
105
106 error_code getNext(RelocationRef &Result) const;
107
108 error_code getAddress(uint64_t &Result) const;
109 error_code getOffset(uint64_t &Result) const;
110 error_code getSymbol(SymbolRef &Result) const;
111 error_code getType(uint64_t &Result) const;
112
113 /// @brief Indicates whether this relocation should hidden when listing
114 /// relocations, usually because it is the trailing part of a multipart
115 /// relocation that will be printed as part of the leading relocation.
116 error_code getHidden(bool &Result) const;
117
118 /// @brief Get a string that represents the type of this relocation.
119 ///
120 /// This is for display purposes only.
121 error_code getTypeName(SmallVectorImpl<char> &Result) const;
122 error_code getAdditionalInfo(int64_t &Result) const;
123
124 /// @brief Get a string that represents the calculation of the value of this
125 /// relocation.
126 ///
127 /// This is for display purposes only.
128 error_code getValueString(SmallVectorImpl<char> &Result) const;
129
130 DataRefImpl getRawDataRefImpl() const;
131 };
132 typedef content_iterator<RelocationRef> relocation_iterator;
133
134 /// SectionRef - This is a value type class that represents a single section in
135 /// the list of sections in the object file.
136 class SectionRef {
137 friend class SymbolRef;
138 DataRefImpl SectionPimpl;
139 const ObjectFile *OwningObject;
140
141 public:
SectionRef()142 SectionRef() : OwningObject(NULL) { }
143
144 SectionRef(DataRefImpl SectionP, const ObjectFile *Owner);
145
146 bool operator==(const SectionRef &Other) const;
147 bool operator <(const SectionRef &Other) const;
148
149 error_code getNext(SectionRef &Result) const;
150
151 error_code getName(StringRef &Result) const;
152 error_code getAddress(uint64_t &Result) const;
153 error_code getSize(uint64_t &Result) const;
154 error_code getContents(StringRef &Result) const;
155
156 /// @brief Get the alignment of this section as the actual value (not log 2).
157 error_code getAlignment(uint64_t &Result) const;
158
159 // FIXME: Move to the normalization layer when it's created.
160 error_code isText(bool &Result) const;
161 error_code isData(bool &Result) const;
162 error_code isBSS(bool &Result) const;
163 error_code isRequiredForExecution(bool &Result) const;
164 error_code isVirtual(bool &Result) const;
165 error_code isZeroInit(bool &Result) const;
166
167 error_code containsSymbol(SymbolRef S, bool &Result) const;
168
169 relocation_iterator begin_relocations() const;
170 relocation_iterator end_relocations() const;
171
172 DataRefImpl getRawDataRefImpl() const;
173 };
174 typedef content_iterator<SectionRef> section_iterator;
175
176 /// SymbolRef - This is a value type class that represents a single symbol in
177 /// the list of symbols in the object file.
178 class SymbolRef {
179 friend class SectionRef;
180 DataRefImpl SymbolPimpl;
181 const ObjectFile *OwningObject;
182
183 public:
SymbolRef()184 SymbolRef() : OwningObject(NULL) { }
185
186 enum Type {
187 ST_Unknown, // Type not specified
188 ST_Data,
189 ST_Debug,
190 ST_File,
191 ST_Function,
192 ST_Other
193 };
194
195 enum Flags {
196 SF_None = 0,
197 SF_Undefined = 1U << 0, // Symbol is defined in another object file
198 SF_Global = 1U << 1, // Global symbol
199 SF_Weak = 1U << 2, // Weak symbol
200 SF_Absolute = 1U << 3, // Absolute symbol
201 SF_ThreadLocal = 1U << 4, // Thread local symbol
202 SF_Common = 1U << 5, // Symbol has common linkage
203 SF_FormatSpecific = 1U << 31 // Specific to the object file format
204 // (e.g. section symbols)
205 };
206
207 SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner);
208
209 bool operator==(const SymbolRef &Other) const;
210 bool operator <(const SymbolRef &Other) const;
211
212 error_code getNext(SymbolRef &Result) const;
213
214 error_code getName(StringRef &Result) const;
215 error_code getAddress(uint64_t &Result) const;
216 error_code getFileOffset(uint64_t &Result) const;
217 error_code getSize(uint64_t &Result) const;
218 error_code getType(SymbolRef::Type &Result) const;
219
220 /// Returns the ascii char that should be displayed in a symbol table dump via
221 /// nm for this symbol.
222 error_code getNMTypeChar(char &Result) const;
223
224 /// Get symbol flags (bitwise OR of SymbolRef::Flags)
225 error_code getFlags(uint32_t &Result) const;
226
227 /// @brief Return true for common symbols such as uninitialized globals
228 error_code isCommon(bool &Result) const;
229
230 /// @brief Get section this symbol is defined in reference to. Result is
231 /// end_sections() if it is undefined or is an absolute symbol.
232 error_code getSection(section_iterator &Result) const;
233
234 DataRefImpl getRawDataRefImpl() const;
235 };
236 typedef content_iterator<SymbolRef> symbol_iterator;
237
238 /// LibraryRef - This is a value type class that represents a single library in
239 /// the list of libraries needed by a shared or dynamic object.
240 class LibraryRef {
241 friend class SectionRef;
242 DataRefImpl LibraryPimpl;
243 const ObjectFile *OwningObject;
244
245 public:
LibraryRef()246 LibraryRef() : OwningObject(NULL) { }
247
248 LibraryRef(DataRefImpl LibraryP, const ObjectFile *Owner);
249
250 bool operator==(const LibraryRef &Other) const;
251 bool operator <(const LibraryRef &Other) const;
252
253 error_code getNext(LibraryRef &Result) const;
254
255 // Get the path to this library, as stored in the object file.
256 error_code getPath(StringRef &Result) const;
257
258 DataRefImpl getRawDataRefImpl() const;
259 };
260 typedef content_iterator<LibraryRef> library_iterator;
261
262 const uint64_t UnknownAddressOrSize = ~0ULL;
263
264 /// ObjectFile - This class is the base class for all object file types.
265 /// Concrete instances of this object are created by createObjectFile, which
266 /// figure out which type to create.
267 class ObjectFile : public Binary {
268 virtual void anchor();
269 ObjectFile(); // = delete
270 ObjectFile(const ObjectFile &other); // = delete
271
272 protected:
273 ObjectFile(unsigned int Type, MemoryBuffer *source, error_code &ec);
274
base()275 const uint8_t *base() const {
276 return reinterpret_cast<const uint8_t *>(Data->getBufferStart());
277 }
278
279 // These functions are for SymbolRef to call internally. The main goal of
280 // this is to allow SymbolRef::SymbolPimpl to point directly to the symbol
281 // entry in the memory mapped object file. SymbolPimpl cannot contain any
282 // virtual functions because then it could not point into the memory mapped
283 // file.
284 //
285 // Implementations assume that the DataRefImpl is valid and has not been
286 // modified externally. It's UB otherwise.
287 friend class SymbolRef;
288 virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const = 0;
289 virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const = 0;
290 virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const =0;
291 virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res) const =0;
292 virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const = 0;
293 virtual error_code getSymbolType(DataRefImpl Symb,
294 SymbolRef::Type &Res) const = 0;
295 virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const = 0;
296 virtual error_code getSymbolFlags(DataRefImpl Symb,
297 uint32_t &Res) const = 0;
298 virtual error_code getSymbolSection(DataRefImpl Symb,
299 section_iterator &Res) const = 0;
300
301 // Same as above for SectionRef.
302 friend class SectionRef;
303 virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const = 0;
304 virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const = 0;
305 virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const =0;
306 virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const = 0;
307 virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res)const=0;
308 virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res)const=0;
309 virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const = 0;
310 virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const = 0;
311 virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const = 0;
312 virtual error_code isSectionRequiredForExecution(DataRefImpl Sec,
313 bool &Res) const = 0;
314 // A section is 'virtual' if its contents aren't present in the object image.
315 virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const = 0;
316 virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const = 0;
317 virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
318 bool &Result) const = 0;
319 virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const = 0;
320 virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const = 0;
321
322
323 // Same as above for RelocationRef.
324 friend class RelocationRef;
325 virtual error_code getRelocationNext(DataRefImpl Rel,
326 RelocationRef &Res) const = 0;
327 virtual error_code getRelocationAddress(DataRefImpl Rel,
328 uint64_t &Res) const =0;
329 virtual error_code getRelocationOffset(DataRefImpl Rel,
330 uint64_t &Res) const =0;
331 virtual error_code getRelocationSymbol(DataRefImpl Rel,
332 SymbolRef &Res) const = 0;
333 virtual error_code getRelocationType(DataRefImpl Rel,
334 uint64_t &Res) const = 0;
335 virtual error_code getRelocationTypeName(DataRefImpl Rel,
336 SmallVectorImpl<char> &Result) const = 0;
337 virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel,
338 int64_t &Res) const = 0;
339 virtual error_code getRelocationValueString(DataRefImpl Rel,
340 SmallVectorImpl<char> &Result) const = 0;
getRelocationHidden(DataRefImpl Rel,bool & Result)341 virtual error_code getRelocationHidden(DataRefImpl Rel, bool &Result) const {
342 Result = false;
343 return object_error::success;
344 }
345
346 // Same for LibraryRef
347 friend class LibraryRef;
348 virtual error_code getLibraryNext(DataRefImpl Lib, LibraryRef &Res) const = 0;
349 virtual error_code getLibraryPath(DataRefImpl Lib, StringRef &Res) const = 0;
350
351 public:
352
353 virtual symbol_iterator begin_symbols() const = 0;
354 virtual symbol_iterator end_symbols() const = 0;
355
356 virtual symbol_iterator begin_dynamic_symbols() const = 0;
357 virtual symbol_iterator end_dynamic_symbols() const = 0;
358
359 virtual section_iterator begin_sections() const = 0;
360 virtual section_iterator end_sections() const = 0;
361
362 virtual library_iterator begin_libraries_needed() const = 0;
363 virtual library_iterator end_libraries_needed() const = 0;
364
365 /// @brief The number of bytes used to represent an address in this object
366 /// file format.
367 virtual uint8_t getBytesInAddress() const = 0;
368
369 virtual StringRef getFileFormatName() const = 0;
370 virtual /* Triple::ArchType */ unsigned getArch() const = 0;
371
372 /// For shared objects, returns the name which this object should be
373 /// loaded from at runtime. This corresponds to DT_SONAME on ELF and
374 /// LC_ID_DYLIB (install name) on MachO.
375 virtual StringRef getLoadName() const = 0;
376
377 /// @returns Pointer to ObjectFile subclass to handle this type of object.
378 /// @param ObjectPath The path to the object file. ObjectPath.isObject must
379 /// return true.
380 /// @brief Create ObjectFile from path.
381 static ObjectFile *createObjectFile(StringRef ObjectPath);
382 static ObjectFile *createObjectFile(MemoryBuffer *Object);
383
classof(const Binary * v)384 static inline bool classof(const Binary *v) {
385 return v->isObject();
386 }
classof(const ObjectFile * v)387 static inline bool classof(const ObjectFile *v) { return true; }
388
389 public:
390 static ObjectFile *createCOFFObjectFile(MemoryBuffer *Object);
391 static ObjectFile *createELFObjectFile(MemoryBuffer *Object);
392 static ObjectFile *createMachOObjectFile(MemoryBuffer *Object);
393 };
394
395 // Inline function definitions.
SymbolRef(DataRefImpl SymbolP,const ObjectFile * Owner)396 inline SymbolRef::SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner)
397 : SymbolPimpl(SymbolP)
398 , OwningObject(Owner) {}
399
400 inline bool SymbolRef::operator==(const SymbolRef &Other) const {
401 return SymbolPimpl == Other.SymbolPimpl;
402 }
403
404 inline bool SymbolRef::operator <(const SymbolRef &Other) const {
405 return SymbolPimpl < Other.SymbolPimpl;
406 }
407
getNext(SymbolRef & Result)408 inline error_code SymbolRef::getNext(SymbolRef &Result) const {
409 return OwningObject->getSymbolNext(SymbolPimpl, Result);
410 }
411
getName(StringRef & Result)412 inline error_code SymbolRef::getName(StringRef &Result) const {
413 return OwningObject->getSymbolName(SymbolPimpl, Result);
414 }
415
getAddress(uint64_t & Result)416 inline error_code SymbolRef::getAddress(uint64_t &Result) const {
417 return OwningObject->getSymbolAddress(SymbolPimpl, Result);
418 }
419
getFileOffset(uint64_t & Result)420 inline error_code SymbolRef::getFileOffset(uint64_t &Result) const {
421 return OwningObject->getSymbolFileOffset(SymbolPimpl, Result);
422 }
423
getSize(uint64_t & Result)424 inline error_code SymbolRef::getSize(uint64_t &Result) const {
425 return OwningObject->getSymbolSize(SymbolPimpl, Result);
426 }
427
getNMTypeChar(char & Result)428 inline error_code SymbolRef::getNMTypeChar(char &Result) const {
429 return OwningObject->getSymbolNMTypeChar(SymbolPimpl, Result);
430 }
431
getFlags(uint32_t & Result)432 inline error_code SymbolRef::getFlags(uint32_t &Result) const {
433 return OwningObject->getSymbolFlags(SymbolPimpl, Result);
434 }
435
getSection(section_iterator & Result)436 inline error_code SymbolRef::getSection(section_iterator &Result) const {
437 return OwningObject->getSymbolSection(SymbolPimpl, Result);
438 }
439
getType(SymbolRef::Type & Result)440 inline error_code SymbolRef::getType(SymbolRef::Type &Result) const {
441 return OwningObject->getSymbolType(SymbolPimpl, Result);
442 }
443
getRawDataRefImpl()444 inline DataRefImpl SymbolRef::getRawDataRefImpl() const {
445 return SymbolPimpl;
446 }
447
448
449 /// SectionRef
SectionRef(DataRefImpl SectionP,const ObjectFile * Owner)450 inline SectionRef::SectionRef(DataRefImpl SectionP,
451 const ObjectFile *Owner)
452 : SectionPimpl(SectionP)
453 , OwningObject(Owner) {}
454
455 inline bool SectionRef::operator==(const SectionRef &Other) const {
456 return SectionPimpl == Other.SectionPimpl;
457 }
458
459 inline bool SectionRef::operator <(const SectionRef &Other) const {
460 return SectionPimpl < Other.SectionPimpl;
461 }
462
getNext(SectionRef & Result)463 inline error_code SectionRef::getNext(SectionRef &Result) const {
464 return OwningObject->getSectionNext(SectionPimpl, Result);
465 }
466
getName(StringRef & Result)467 inline error_code SectionRef::getName(StringRef &Result) const {
468 return OwningObject->getSectionName(SectionPimpl, Result);
469 }
470
getAddress(uint64_t & Result)471 inline error_code SectionRef::getAddress(uint64_t &Result) const {
472 return OwningObject->getSectionAddress(SectionPimpl, Result);
473 }
474
getSize(uint64_t & Result)475 inline error_code SectionRef::getSize(uint64_t &Result) const {
476 return OwningObject->getSectionSize(SectionPimpl, Result);
477 }
478
getContents(StringRef & Result)479 inline error_code SectionRef::getContents(StringRef &Result) const {
480 return OwningObject->getSectionContents(SectionPimpl, Result);
481 }
482
getAlignment(uint64_t & Result)483 inline error_code SectionRef::getAlignment(uint64_t &Result) const {
484 return OwningObject->getSectionAlignment(SectionPimpl, Result);
485 }
486
isText(bool & Result)487 inline error_code SectionRef::isText(bool &Result) const {
488 return OwningObject->isSectionText(SectionPimpl, Result);
489 }
490
isData(bool & Result)491 inline error_code SectionRef::isData(bool &Result) const {
492 return OwningObject->isSectionData(SectionPimpl, Result);
493 }
494
isBSS(bool & Result)495 inline error_code SectionRef::isBSS(bool &Result) const {
496 return OwningObject->isSectionBSS(SectionPimpl, Result);
497 }
498
isRequiredForExecution(bool & Result)499 inline error_code SectionRef::isRequiredForExecution(bool &Result) const {
500 return OwningObject->isSectionRequiredForExecution(SectionPimpl, Result);
501 }
502
isVirtual(bool & Result)503 inline error_code SectionRef::isVirtual(bool &Result) const {
504 return OwningObject->isSectionVirtual(SectionPimpl, Result);
505 }
506
isZeroInit(bool & Result)507 inline error_code SectionRef::isZeroInit(bool &Result) const {
508 return OwningObject->isSectionZeroInit(SectionPimpl, Result);
509 }
510
containsSymbol(SymbolRef S,bool & Result)511 inline error_code SectionRef::containsSymbol(SymbolRef S, bool &Result) const {
512 return OwningObject->sectionContainsSymbol(SectionPimpl, S.SymbolPimpl,
513 Result);
514 }
515
begin_relocations()516 inline relocation_iterator SectionRef::begin_relocations() const {
517 return OwningObject->getSectionRelBegin(SectionPimpl);
518 }
519
end_relocations()520 inline relocation_iterator SectionRef::end_relocations() const {
521 return OwningObject->getSectionRelEnd(SectionPimpl);
522 }
523
getRawDataRefImpl()524 inline DataRefImpl SectionRef::getRawDataRefImpl() const {
525 return SectionPimpl;
526 }
527
528 /// RelocationRef
RelocationRef(DataRefImpl RelocationP,const ObjectFile * Owner)529 inline RelocationRef::RelocationRef(DataRefImpl RelocationP,
530 const ObjectFile *Owner)
531 : RelocationPimpl(RelocationP)
532 , OwningObject(Owner) {}
533
534 inline bool RelocationRef::operator==(const RelocationRef &Other) const {
535 return RelocationPimpl == Other.RelocationPimpl;
536 }
537
getNext(RelocationRef & Result)538 inline error_code RelocationRef::getNext(RelocationRef &Result) const {
539 return OwningObject->getRelocationNext(RelocationPimpl, Result);
540 }
541
getAddress(uint64_t & Result)542 inline error_code RelocationRef::getAddress(uint64_t &Result) const {
543 return OwningObject->getRelocationAddress(RelocationPimpl, Result);
544 }
545
getOffset(uint64_t & Result)546 inline error_code RelocationRef::getOffset(uint64_t &Result) const {
547 return OwningObject->getRelocationOffset(RelocationPimpl, Result);
548 }
549
getSymbol(SymbolRef & Result)550 inline error_code RelocationRef::getSymbol(SymbolRef &Result) const {
551 return OwningObject->getRelocationSymbol(RelocationPimpl, Result);
552 }
553
getType(uint64_t & Result)554 inline error_code RelocationRef::getType(uint64_t &Result) const {
555 return OwningObject->getRelocationType(RelocationPimpl, Result);
556 }
557
getTypeName(SmallVectorImpl<char> & Result)558 inline error_code RelocationRef::getTypeName(SmallVectorImpl<char> &Result)
559 const {
560 return OwningObject->getRelocationTypeName(RelocationPimpl, Result);
561 }
562
getAdditionalInfo(int64_t & Result)563 inline error_code RelocationRef::getAdditionalInfo(int64_t &Result) const {
564 return OwningObject->getRelocationAdditionalInfo(RelocationPimpl, Result);
565 }
566
getValueString(SmallVectorImpl<char> & Result)567 inline error_code RelocationRef::getValueString(SmallVectorImpl<char> &Result)
568 const {
569 return OwningObject->getRelocationValueString(RelocationPimpl, Result);
570 }
571
getHidden(bool & Result)572 inline error_code RelocationRef::getHidden(bool &Result) const {
573 return OwningObject->getRelocationHidden(RelocationPimpl, Result);
574 }
575
getRawDataRefImpl()576 inline DataRefImpl RelocationRef::getRawDataRefImpl() const {
577 return RelocationPimpl;
578 }
579
580 // Inline function definitions.
LibraryRef(DataRefImpl LibraryP,const ObjectFile * Owner)581 inline LibraryRef::LibraryRef(DataRefImpl LibraryP, const ObjectFile *Owner)
582 : LibraryPimpl(LibraryP)
583 , OwningObject(Owner) {}
584
585 inline bool LibraryRef::operator==(const LibraryRef &Other) const {
586 return LibraryPimpl == Other.LibraryPimpl;
587 }
588
589 inline bool LibraryRef::operator <(const LibraryRef &Other) const {
590 return LibraryPimpl < Other.LibraryPimpl;
591 }
592
getNext(LibraryRef & Result)593 inline error_code LibraryRef::getNext(LibraryRef &Result) const {
594 return OwningObject->getLibraryNext(LibraryPimpl, Result);
595 }
596
getPath(StringRef & Result)597 inline error_code LibraryRef::getPath(StringRef &Result) const {
598 return OwningObject->getLibraryPath(LibraryPimpl, Result);
599 }
600
601 } // end namespace object
602 } // end namespace llvm
603
604 #endif
605