1 //===- COFF.h - COFF object file implementation -----------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares the COFFObjectFile class.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_OBJECT_COFF_H
15 #define LLVM_OBJECT_COFF_H
17 #include "llvm/ADT/PointerUnion.h"
18 #include "llvm/Object/ObjectFile.h"
19 #include "llvm/Support/COFF.h"
20 #include "llvm/Support/Endian.h"
21 #include "llvm/Support/ErrorOr.h"
24 template <typename T> class ArrayRef;
27 class ImportDirectoryEntryRef;
28 class ExportDirectoryEntryRef;
29 class ImportedSymbolRef;
30 typedef content_iterator<ImportDirectoryEntryRef> import_directory_iterator;
31 typedef content_iterator<ExportDirectoryEntryRef> export_directory_iterator;
32 typedef content_iterator<ImportedSymbolRef> imported_symbol_iterator;
34 /// The DOS compatible header at the front of all PE/COFF executables.
36 support::ulittle16_t Magic;
37 support::ulittle16_t UsedBytesInTheLastPage;
38 support::ulittle16_t FileSizeInPages;
39 support::ulittle16_t NumberOfRelocationItems;
40 support::ulittle16_t HeaderSizeInParagraphs;
41 support::ulittle16_t MinimumExtraParagraphs;
42 support::ulittle16_t MaximumExtraParagraphs;
43 support::ulittle16_t InitialRelativeSS;
44 support::ulittle16_t InitialSP;
45 support::ulittle16_t Checksum;
46 support::ulittle16_t InitialIP;
47 support::ulittle16_t InitialRelativeCS;
48 support::ulittle16_t AddressOfRelocationTable;
49 support::ulittle16_t OverlayNumber;
50 support::ulittle16_t Reserved[4];
51 support::ulittle16_t OEMid;
52 support::ulittle16_t OEMinfo;
53 support::ulittle16_t Reserved2[10];
54 support::ulittle32_t AddressOfNewExeHeader;
57 struct coff_file_header {
58 support::ulittle16_t Machine;
59 support::ulittle16_t NumberOfSections;
60 support::ulittle32_t TimeDateStamp;
61 support::ulittle32_t PointerToSymbolTable;
62 support::ulittle32_t NumberOfSymbols;
63 support::ulittle16_t SizeOfOptionalHeader;
64 support::ulittle16_t Characteristics;
66 bool isImportLibrary() const { return NumberOfSections == 0xffff; }
69 struct coff_bigobj_file_header {
70 support::ulittle16_t Sig1;
71 support::ulittle16_t Sig2;
72 support::ulittle16_t Version;
73 support::ulittle16_t Machine;
74 support::ulittle32_t TimeDateStamp;
76 support::ulittle32_t unused1;
77 support::ulittle32_t unused2;
78 support::ulittle32_t unused3;
79 support::ulittle32_t unused4;
80 support::ulittle32_t NumberOfSections;
81 support::ulittle32_t PointerToSymbolTable;
82 support::ulittle32_t NumberOfSymbols;
85 /// The 32-bit PE header that follows the COFF header.
87 support::ulittle16_t Magic;
88 uint8_t MajorLinkerVersion;
89 uint8_t MinorLinkerVersion;
90 support::ulittle32_t SizeOfCode;
91 support::ulittle32_t SizeOfInitializedData;
92 support::ulittle32_t SizeOfUninitializedData;
93 support::ulittle32_t AddressOfEntryPoint;
94 support::ulittle32_t BaseOfCode;
95 support::ulittle32_t BaseOfData;
96 support::ulittle32_t ImageBase;
97 support::ulittle32_t SectionAlignment;
98 support::ulittle32_t FileAlignment;
99 support::ulittle16_t MajorOperatingSystemVersion;
100 support::ulittle16_t MinorOperatingSystemVersion;
101 support::ulittle16_t MajorImageVersion;
102 support::ulittle16_t MinorImageVersion;
103 support::ulittle16_t MajorSubsystemVersion;
104 support::ulittle16_t MinorSubsystemVersion;
105 support::ulittle32_t Win32VersionValue;
106 support::ulittle32_t SizeOfImage;
107 support::ulittle32_t SizeOfHeaders;
108 support::ulittle32_t CheckSum;
109 support::ulittle16_t Subsystem;
110 support::ulittle16_t DLLCharacteristics;
111 support::ulittle32_t SizeOfStackReserve;
112 support::ulittle32_t SizeOfStackCommit;
113 support::ulittle32_t SizeOfHeapReserve;
114 support::ulittle32_t SizeOfHeapCommit;
115 support::ulittle32_t LoaderFlags;
116 support::ulittle32_t NumberOfRvaAndSize;
119 /// The 64-bit PE header that follows the COFF header.
120 struct pe32plus_header {
121 support::ulittle16_t Magic;
122 uint8_t MajorLinkerVersion;
123 uint8_t MinorLinkerVersion;
124 support::ulittle32_t SizeOfCode;
125 support::ulittle32_t SizeOfInitializedData;
126 support::ulittle32_t SizeOfUninitializedData;
127 support::ulittle32_t AddressOfEntryPoint;
128 support::ulittle32_t BaseOfCode;
129 support::ulittle64_t ImageBase;
130 support::ulittle32_t SectionAlignment;
131 support::ulittle32_t FileAlignment;
132 support::ulittle16_t MajorOperatingSystemVersion;
133 support::ulittle16_t MinorOperatingSystemVersion;
134 support::ulittle16_t MajorImageVersion;
135 support::ulittle16_t MinorImageVersion;
136 support::ulittle16_t MajorSubsystemVersion;
137 support::ulittle16_t MinorSubsystemVersion;
138 support::ulittle32_t Win32VersionValue;
139 support::ulittle32_t SizeOfImage;
140 support::ulittle32_t SizeOfHeaders;
141 support::ulittle32_t CheckSum;
142 support::ulittle16_t Subsystem;
143 support::ulittle16_t DLLCharacteristics;
144 support::ulittle64_t SizeOfStackReserve;
145 support::ulittle64_t SizeOfStackCommit;
146 support::ulittle64_t SizeOfHeapReserve;
147 support::ulittle64_t SizeOfHeapCommit;
148 support::ulittle32_t LoaderFlags;
149 support::ulittle32_t NumberOfRvaAndSize;
152 struct data_directory {
153 support::ulittle32_t RelativeVirtualAddress;
154 support::ulittle32_t Size;
157 struct import_directory_table_entry {
158 support::ulittle32_t ImportLookupTableRVA;
159 support::ulittle32_t TimeDateStamp;
160 support::ulittle32_t ForwarderChain;
161 support::ulittle32_t NameRVA;
162 support::ulittle32_t ImportAddressTableRVA;
165 template <typename IntTy>
166 struct import_lookup_table_entry {
169 bool isOrdinal() const { return Data < 0; }
171 uint16_t getOrdinal() const {
172 assert(isOrdinal() && "ILT entry is not an ordinal!");
173 return Data & 0xFFFF;
176 uint32_t getHintNameRVA() const {
177 assert(!isOrdinal() && "ILT entry is not a Hint/Name RVA!");
178 return Data & 0xFFFFFFFF;
182 typedef import_lookup_table_entry<support::little32_t>
183 import_lookup_table_entry32;
184 typedef import_lookup_table_entry<support::little64_t>
185 import_lookup_table_entry64;
187 struct export_directory_table_entry {
188 support::ulittle32_t ExportFlags;
189 support::ulittle32_t TimeDateStamp;
190 support::ulittle16_t MajorVersion;
191 support::ulittle16_t MinorVersion;
192 support::ulittle32_t NameRVA;
193 support::ulittle32_t OrdinalBase;
194 support::ulittle32_t AddressTableEntries;
195 support::ulittle32_t NumberOfNamePointers;
196 support::ulittle32_t ExportAddressTableRVA;
197 support::ulittle32_t NamePointerRVA;
198 support::ulittle32_t OrdinalTableRVA;
201 union export_address_table_entry {
202 support::ulittle32_t ExportRVA;
203 support::ulittle32_t ForwarderRVA;
206 typedef support::ulittle32_t export_name_pointer_table_entry;
207 typedef support::ulittle16_t export_ordinal_table_entry;
209 struct StringTableOffset {
210 support::ulittle32_t Zeroes;
211 support::ulittle32_t Offset;
214 template <typename SectionNumberType>
217 char ShortName[COFF::NameSize];
218 StringTableOffset Offset;
221 support::ulittle32_t Value;
222 SectionNumberType SectionNumber;
224 support::ulittle16_t Type;
226 uint8_t StorageClass;
227 uint8_t NumberOfAuxSymbols;
230 typedef coff_symbol<support::ulittle16_t> coff_symbol16;
231 typedef coff_symbol<support::ulittle32_t> coff_symbol32;
233 class COFFSymbolRef {
235 COFFSymbolRef(const coff_symbol16 *CS) : CS16(CS), CS32(nullptr) {}
236 COFFSymbolRef(const coff_symbol32 *CS) : CS16(nullptr), CS32(CS) {}
237 COFFSymbolRef() : CS16(nullptr), CS32(nullptr) {}
239 const void *getRawPtr() const {
240 return CS16 ? static_cast<const void *>(CS16) : CS32;
243 friend bool operator<(COFFSymbolRef A, COFFSymbolRef B) {
244 return A.getRawPtr() < B.getRawPtr();
247 bool isBigObj() const {
252 llvm_unreachable("COFFSymbolRef points to nothing!");
255 const char *getShortName() const {
256 return CS16 ? CS16->Name.ShortName : CS32->Name.ShortName;
259 const StringTableOffset &getStringTableOffset() const {
260 return CS16 ? CS16->Name.Offset : CS32->Name.Offset;
263 uint32_t getValue() const { return CS16 ? CS16->Value : CS32->Value; }
265 int32_t getSectionNumber() const {
267 // Reserved sections are returned as negative numbers.
268 if (CS16->SectionNumber <= COFF::MaxNumberOfSections16)
269 return CS16->SectionNumber;
270 return static_cast<int16_t>(CS16->SectionNumber);
272 return static_cast<int32_t>(CS32->SectionNumber);
275 uint16_t getType() const { return CS16 ? CS16->Type : CS32->Type; }
277 uint8_t getStorageClass() const {
278 return CS16 ? CS16->StorageClass : CS32->StorageClass;
281 uint8_t getNumberOfAuxSymbols() const {
282 return CS16 ? CS16->NumberOfAuxSymbols : CS32->NumberOfAuxSymbols;
285 uint8_t getBaseType() const { return getType() & 0x0F; }
287 uint8_t getComplexType() const { return (getType() & 0xF0) >> 4; }
289 bool isFunctionDefinition() const {
290 return getStorageClass() == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
291 getBaseType() == COFF::IMAGE_SYM_TYPE_NULL &&
292 getComplexType() == COFF::IMAGE_SYM_DTYPE_FUNCTION &&
293 !COFF::isReservedSectionNumber(getSectionNumber());
296 bool isFunctionLineInfo() const {
297 return getStorageClass() == COFF::IMAGE_SYM_CLASS_FUNCTION;
300 bool isWeakExternal() const {
301 return getStorageClass() == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL ||
302 (getStorageClass() == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
303 getSectionNumber() == COFF::IMAGE_SYM_UNDEFINED && getValue() == 0);
306 bool isFileRecord() const {
307 return getStorageClass() == COFF::IMAGE_SYM_CLASS_FILE;
310 bool isSectionDefinition() const {
311 // C++/CLI creates external ABS symbols for non-const appdomain globals.
312 // These are also followed by an auxiliary section definition.
313 bool isAppdomainGlobal =
314 getStorageClass() == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
315 getSectionNumber() == COFF::IMAGE_SYM_ABSOLUTE;
316 bool isOrdinarySection =
317 getStorageClass() == COFF::IMAGE_SYM_CLASS_STATIC && getValue() == 0;
318 return isAppdomainGlobal || isOrdinarySection;
321 bool isCLRToken() const {
322 return getStorageClass() == COFF::IMAGE_SYM_CLASS_CLR_TOKEN;
326 const coff_symbol16 *CS16;
327 const coff_symbol32 *CS32;
330 struct coff_section {
331 char Name[COFF::NameSize];
332 support::ulittle32_t VirtualSize;
333 support::ulittle32_t VirtualAddress;
334 support::ulittle32_t SizeOfRawData;
335 support::ulittle32_t PointerToRawData;
336 support::ulittle32_t PointerToRelocations;
337 support::ulittle32_t PointerToLinenumbers;
338 support::ulittle16_t NumberOfRelocations;
339 support::ulittle16_t NumberOfLinenumbers;
340 support::ulittle32_t Characteristics;
342 // Returns true if the actual number of relocations is stored in
343 // VirtualAddress field of the first relocation table entry.
344 bool hasExtendedRelocations() const {
345 return Characteristics & COFF::IMAGE_SCN_LNK_NRELOC_OVFL &&
346 NumberOfRelocations == UINT16_MAX;
350 struct coff_relocation {
351 support::ulittle32_t VirtualAddress;
352 support::ulittle32_t SymbolTableIndex;
353 support::ulittle16_t Type;
356 struct coff_aux_function_definition {
357 support::ulittle32_t TagIndex;
358 support::ulittle32_t TotalSize;
359 support::ulittle32_t PointerToLinenumber;
360 support::ulittle32_t PointerToNextFunction;
363 struct coff_aux_bf_and_ef_symbol {
365 support::ulittle16_t Linenumber;
367 support::ulittle32_t PointerToNextFunction;
370 struct coff_aux_weak_external {
371 support::ulittle32_t TagIndex;
372 support::ulittle32_t Characteristics;
375 struct coff_aux_section_definition {
376 support::ulittle32_t Length;
377 support::ulittle16_t NumberOfRelocations;
378 support::ulittle16_t NumberOfLinenumbers;
379 support::ulittle32_t CheckSum;
380 support::ulittle16_t NumberLowPart;
383 support::ulittle16_t NumberHighPart;
384 int32_t getNumber(bool IsBigObj) const {
385 uint32_t Number = static_cast<uint32_t>(NumberLowPart);
387 Number |= static_cast<uint32_t>(NumberHighPart) << 16;
388 return static_cast<int32_t>(Number);
392 struct coff_aux_clr_token {
395 support::ulittle32_t SymbolTableIndex;
398 struct coff_load_configuration32 {
399 support::ulittle32_t Characteristics;
400 support::ulittle32_t TimeDateStamp;
401 support::ulittle16_t MajorVersion;
402 support::ulittle16_t MinorVersion;
403 support::ulittle32_t GlobalFlagsClear;
404 support::ulittle32_t GlobalFlagsSet;
405 support::ulittle32_t CriticalSectionDefaultTimeout;
406 support::ulittle32_t DeCommitFreeBlockThreshold;
407 support::ulittle32_t DeCommitTotalFreeThreshold;
408 support::ulittle32_t LockPrefixTable;
409 support::ulittle32_t MaximumAllocationSize;
410 support::ulittle32_t VirtualMemoryThreshold;
411 support::ulittle32_t ProcessAffinityMask;
412 support::ulittle32_t ProcessHeapFlags;
413 support::ulittle16_t CSDVersion;
414 support::ulittle16_t Reserved;
415 support::ulittle32_t EditList;
416 support::ulittle32_t SecurityCookie;
417 support::ulittle32_t SEHandlerTable;
418 support::ulittle32_t SEHandlerCount;
421 struct coff_runtime_function_x64 {
422 support::ulittle32_t BeginAddress;
423 support::ulittle32_t EndAddress;
424 support::ulittle32_t UnwindInformation;
427 class COFFObjectFile : public ObjectFile {
429 friend class ImportDirectoryEntryRef;
430 friend class ExportDirectoryEntryRef;
431 const coff_file_header *COFFHeader;
432 const coff_bigobj_file_header *COFFBigObjHeader;
433 const pe32_header *PE32Header;
434 const pe32plus_header *PE32PlusHeader;
435 const data_directory *DataDirectory;
436 const coff_section *SectionTable;
437 const coff_symbol16 *SymbolTable16;
438 const coff_symbol32 *SymbolTable32;
439 const char *StringTable;
440 uint32_t StringTableSize;
441 const import_directory_table_entry *ImportDirectory;
442 uint32_t NumberOfImportDirectory;
443 const export_directory_table_entry *ExportDirectory;
445 std::error_code getString(uint32_t offset, StringRef &Res) const;
447 template <typename coff_symbol_type>
448 const coff_symbol_type *toSymb(DataRefImpl Symb) const;
449 const coff_section *toSec(DataRefImpl Sec) const;
450 const coff_relocation *toRel(DataRefImpl Rel) const;
452 std::error_code initSymbolTablePtr();
453 std::error_code initImportTablePtr();
454 std::error_code initExportTablePtr();
457 uintptr_t getSymbolTable() const {
459 return reinterpret_cast<uintptr_t>(SymbolTable16);
461 return reinterpret_cast<uintptr_t>(SymbolTable32);
464 uint16_t getMachine() const {
466 return COFFHeader->Machine;
467 if (COFFBigObjHeader)
468 return COFFBigObjHeader->Machine;
469 llvm_unreachable("no COFF header!");
471 uint16_t getSizeOfOptionalHeader() const {
473 return COFFHeader->SizeOfOptionalHeader;
474 // bigobj doesn't have this field.
475 if (COFFBigObjHeader)
477 llvm_unreachable("no COFF header!");
479 uint16_t getCharacteristics() const {
481 return COFFHeader->Characteristics;
482 // bigobj doesn't have characteristics to speak of,
483 // editbin will silently lie to you if you attempt to set any.
484 if (COFFBigObjHeader)
486 llvm_unreachable("no COFF header!");
488 uint32_t getTimeDateStamp() const {
490 return COFFHeader->TimeDateStamp;
491 if (COFFBigObjHeader)
492 return COFFBigObjHeader->TimeDateStamp;
493 llvm_unreachable("no COFF header!");
495 uint32_t getNumberOfSections() const {
497 return COFFHeader->NumberOfSections;
498 if (COFFBigObjHeader)
499 return COFFBigObjHeader->NumberOfSections;
500 llvm_unreachable("no COFF header!");
502 uint32_t getPointerToSymbolTable() const {
504 return COFFHeader->PointerToSymbolTable;
505 if (COFFBigObjHeader)
506 return COFFBigObjHeader->PointerToSymbolTable;
507 llvm_unreachable("no COFF header!");
509 uint32_t getNumberOfSymbols() const {
511 return COFFHeader->NumberOfSymbols;
512 if (COFFBigObjHeader)
513 return COFFBigObjHeader->NumberOfSymbols;
514 llvm_unreachable("no COFF header!");
517 void moveSymbolNext(DataRefImpl &Symb) const override;
518 std::error_code getSymbolName(DataRefImpl Symb,
519 StringRef &Res) const override;
520 std::error_code getSymbolAddress(DataRefImpl Symb,
521 uint64_t &Res) const override;
522 std::error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const override;
523 uint32_t getSymbolFlags(DataRefImpl Symb) const override;
524 std::error_code getSymbolType(DataRefImpl Symb,
525 SymbolRef::Type &Res) const override;
526 std::error_code getSymbolSection(DataRefImpl Symb,
527 section_iterator &Res) const override;
528 void moveSectionNext(DataRefImpl &Sec) const override;
529 std::error_code getSectionName(DataRefImpl Sec,
530 StringRef &Res) const override;
531 std::error_code getSectionAddress(DataRefImpl Sec,
532 uint64_t &Res) const override;
533 std::error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const override;
534 std::error_code getSectionContents(DataRefImpl Sec,
535 StringRef &Res) const override;
536 std::error_code getSectionAlignment(DataRefImpl Sec,
537 uint64_t &Res) const override;
538 std::error_code isSectionText(DataRefImpl Sec, bool &Res) const override;
539 std::error_code isSectionData(DataRefImpl Sec, bool &Res) const override;
540 std::error_code isSectionBSS(DataRefImpl Sec, bool &Res) const override;
541 std::error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const override;
542 std::error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const override;
543 std::error_code isSectionReadOnlyData(DataRefImpl Sec,
544 bool &Res) const override;
545 std::error_code isSectionRequiredForExecution(DataRefImpl Sec,
546 bool &Res) const override;
547 std::error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
548 bool &Result) const override;
549 relocation_iterator section_rel_begin(DataRefImpl Sec) const override;
550 relocation_iterator section_rel_end(DataRefImpl Sec) const override;
552 void moveRelocationNext(DataRefImpl &Rel) const override;
553 std::error_code getRelocationAddress(DataRefImpl Rel,
554 uint64_t &Res) const override;
555 std::error_code getRelocationOffset(DataRefImpl Rel,
556 uint64_t &Res) const override;
557 symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override;
558 std::error_code getRelocationType(DataRefImpl Rel,
559 uint64_t &Res) const override;
561 getRelocationTypeName(DataRefImpl Rel,
562 SmallVectorImpl<char> &Result) const override;
564 getRelocationValueString(DataRefImpl Rel,
565 SmallVectorImpl<char> &Result) const override;
568 COFFObjectFile(MemoryBufferRef Object, std::error_code &EC);
569 basic_symbol_iterator symbol_begin_impl() const override;
570 basic_symbol_iterator symbol_end_impl() const override;
571 section_iterator section_begin() const override;
572 section_iterator section_end() const override;
574 const coff_section *getCOFFSection(const SectionRef &Section) const;
575 COFFSymbolRef getCOFFSymbol(const DataRefImpl &Ref) const;
576 COFFSymbolRef getCOFFSymbol(const SymbolRef &Symbol) const;
577 const coff_relocation *getCOFFRelocation(const RelocationRef &Reloc) const;
579 uint8_t getBytesInAddress() const override;
580 StringRef getFileFormatName() const override;
581 unsigned getArch() const override;
583 import_directory_iterator import_directory_begin() const;
584 import_directory_iterator import_directory_end() const;
585 export_directory_iterator export_directory_begin() const;
586 export_directory_iterator export_directory_end() const;
588 std::error_code getPE32Header(const pe32_header *&Res) const;
589 std::error_code getPE32PlusHeader(const pe32plus_header *&Res) const;
590 std::error_code getDataDirectory(uint32_t index,
591 const data_directory *&Res) const;
592 std::error_code getSection(int32_t index, const coff_section *&Res) const;
593 template <typename coff_symbol_type>
594 std::error_code getSymbol(uint32_t Index,
595 const coff_symbol_type *&Res) const {
596 if (Index >= getNumberOfSymbols())
597 return object_error::parse_failed;
599 Res = reinterpret_cast<coff_symbol_type *>(getSymbolTable()) + Index;
600 return object_error::success;
602 ErrorOr<COFFSymbolRef> getSymbol(uint32_t index) const {
604 const coff_symbol16 *Symb = nullptr;
605 if (std::error_code EC = getSymbol(index, Symb))
607 return COFFSymbolRef(Symb);
610 const coff_symbol32 *Symb = nullptr;
611 if (std::error_code EC = getSymbol(index, Symb))
613 return COFFSymbolRef(Symb);
615 llvm_unreachable("no symbol table pointer!");
617 template <typename T>
618 std::error_code getAuxSymbol(uint32_t index, const T *&Res) const {
619 ErrorOr<COFFSymbolRef> s = getSymbol(index);
620 if (std::error_code EC = s.getError())
622 Res = reinterpret_cast<const T *>(s->getRawPtr());
623 return object_error::success;
625 std::error_code getSymbolName(COFFSymbolRef Symbol, StringRef &Res) const;
627 ArrayRef<uint8_t> getSymbolAuxData(COFFSymbolRef Symbol) const;
629 size_t getSymbolTableEntrySize() const {
631 return sizeof(coff_symbol16);
632 if (COFFBigObjHeader)
633 return sizeof(coff_symbol32);
634 llvm_unreachable("null symbol table pointer!");
637 std::error_code getSectionName(const coff_section *Sec, StringRef &Res) const;
638 std::error_code getSectionContents(const coff_section *Sec,
639 ArrayRef<uint8_t> &Res) const;
641 std::error_code getVaPtr(uint64_t VA, uintptr_t &Res) const;
642 std::error_code getRvaPtr(uint32_t Rva, uintptr_t &Res) const;
643 std::error_code getHintName(uint32_t Rva, uint16_t &Hint,
644 StringRef &Name) const;
646 bool isRelocatableObject() const override;
648 static inline bool classof(const Binary *v) { return v->isCOFF(); }
651 // The iterator for the import directory table.
652 class ImportDirectoryEntryRef {
654 ImportDirectoryEntryRef() : OwningObject(nullptr) {}
655 ImportDirectoryEntryRef(const import_directory_table_entry *Table, uint32_t I,
656 const COFFObjectFile *Owner)
657 : ImportTable(Table), Index(I), OwningObject(Owner) {}
659 bool operator==(const ImportDirectoryEntryRef &Other) const;
662 imported_symbol_iterator imported_symbol_begin() const;
663 imported_symbol_iterator imported_symbol_end() const;
665 std::error_code getName(StringRef &Result) const;
666 std::error_code getImportLookupTableRVA(uint32_t &Result) const;
667 std::error_code getImportAddressTableRVA(uint32_t &Result) const;
670 getImportTableEntry(const import_directory_table_entry *&Result) const;
673 getImportLookupEntry(const import_lookup_table_entry32 *&Result) const;
676 const import_directory_table_entry *ImportTable;
678 const COFFObjectFile *OwningObject;
681 // The iterator for the export directory table entry.
682 class ExportDirectoryEntryRef {
684 ExportDirectoryEntryRef() : OwningObject(nullptr) {}
685 ExportDirectoryEntryRef(const export_directory_table_entry *Table, uint32_t I,
686 const COFFObjectFile *Owner)
687 : ExportTable(Table), Index(I), OwningObject(Owner) {}
689 bool operator==(const ExportDirectoryEntryRef &Other) const;
692 std::error_code getDllName(StringRef &Result) const;
693 std::error_code getOrdinalBase(uint32_t &Result) const;
694 std::error_code getOrdinal(uint32_t &Result) const;
695 std::error_code getExportRVA(uint32_t &Result) const;
696 std::error_code getSymbolName(StringRef &Result) const;
699 const export_directory_table_entry *ExportTable;
701 const COFFObjectFile *OwningObject;
704 class ImportedSymbolRef {
706 ImportedSymbolRef() : OwningObject(nullptr) {}
707 ImportedSymbolRef(const import_lookup_table_entry32 *Entry, uint32_t I,
708 const COFFObjectFile *Owner)
709 : Entry32(Entry), Entry64(nullptr), Index(I), OwningObject(Owner) {}
710 ImportedSymbolRef(const import_lookup_table_entry64 *Entry, uint32_t I,
711 const COFFObjectFile *Owner)
712 : Entry32(nullptr), Entry64(Entry), Index(I), OwningObject(Owner) {}
714 bool operator==(const ImportedSymbolRef &Other) const;
717 std::error_code getSymbolName(StringRef &Result) const;
718 std::error_code getOrdinal(uint16_t &Result) const;
721 const import_lookup_table_entry32 *Entry32;
722 const import_lookup_table_entry64 *Entry64;
724 const COFFObjectFile *OwningObject;
726 } // end namespace object
727 } // end namespace llvm