1 //===- COFFObjectFile.cpp - 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 #include "llvm/Object/COFF.h"
15 #include "llvm/ADT/SmallString.h"
16 #include "llvm/ADT/StringSwitch.h"
17 #include "llvm/ADT/Triple.h"
20 using namespace object;
23 using support::ulittle8_t;
24 using support::ulittle16_t;
25 using support::ulittle32_t;
26 using support::little16_t;
30 // Returns false if size is greater than the buffer size. And sets ec.
31 bool checkSize(const MemoryBuffer *m, error_code &ec, uint64_t size) {
32 if (m->getBufferSize() < size) {
33 ec = object_error::unexpected_eof;
39 // Returns false if any bytes in [addr, addr + size) fall outsize of m.
40 bool checkAddr(const MemoryBuffer *m,
44 if (addr + size < addr ||
46 addr + size > uintptr_t(m->getBufferEnd())) {
47 ec = object_error::unexpected_eof;
54 const coff_symbol *COFFObjectFile::toSymb(DataRefImpl Symb) const {
55 const coff_symbol *addr = reinterpret_cast<const coff_symbol*>(Symb.p);
58 // Verify that the symbol points to a valid entry in the symbol table.
59 uintptr_t offset = uintptr_t(addr) - uintptr_t(base());
60 if (offset < Header->PointerToSymbolTable
61 || offset >= Header->PointerToSymbolTable
62 + (Header->NumberOfSymbols * sizeof(coff_symbol)))
63 report_fatal_error("Symbol was outside of symbol table.");
65 assert((offset - Header->PointerToSymbolTable) % sizeof(coff_symbol)
66 == 0 && "Symbol did not point to the beginning of a symbol");
72 const coff_section *COFFObjectFile::toSec(DataRefImpl Sec) const {
73 const coff_section *addr = reinterpret_cast<const coff_section*>(Sec.p);
76 // Verify that the section points to a valid entry in the section table.
77 if (addr < SectionTable
78 || addr >= (SectionTable + Header->NumberOfSections))
79 report_fatal_error("Section was outside of section table.");
81 uintptr_t offset = uintptr_t(addr) - uintptr_t(SectionTable);
82 assert(offset % sizeof(coff_section) == 0 &&
83 "Section did not point to the beginning of a section");
89 error_code COFFObjectFile::getSymbolNext(DataRefImpl Symb,
90 SymbolRef &Result) const {
91 const coff_symbol *symb = toSymb(Symb);
92 symb += 1 + symb->NumberOfAuxSymbols;
93 Symb.p = reinterpret_cast<uintptr_t>(symb);
94 Result = SymbolRef(Symb, this);
95 return object_error::success;
98 error_code COFFObjectFile::getSymbolName(DataRefImpl Symb,
99 StringRef &Result) const {
100 const coff_symbol *symb = toSymb(Symb);
101 return getSymbolName(symb, Result);
104 error_code COFFObjectFile::getSymbolFileOffset(DataRefImpl Symb,
105 uint64_t &Result) const {
106 const coff_symbol *symb = toSymb(Symb);
107 const coff_section *Section = NULL;
108 if (error_code ec = getSection(symb->SectionNumber, Section))
111 if (error_code ec = getSymbolNMTypeChar(Symb, Type))
113 if (Type == 'U' || Type == 'w')
114 Result = UnknownAddressOrSize;
116 Result = Section->PointerToRawData + symb->Value;
118 Result = symb->Value;
119 return object_error::success;
122 error_code COFFObjectFile::getSymbolAddress(DataRefImpl Symb,
123 uint64_t &Result) const {
124 const coff_symbol *symb = toSymb(Symb);
125 const coff_section *Section = NULL;
126 if (error_code ec = getSection(symb->SectionNumber, Section))
129 if (error_code ec = getSymbolNMTypeChar(Symb, Type))
131 if (Type == 'U' || Type == 'w')
132 Result = UnknownAddressOrSize;
134 Result = Section->VirtualAddress + symb->Value;
136 Result = symb->Value;
137 return object_error::success;
140 error_code COFFObjectFile::getSymbolType(DataRefImpl Symb,
141 SymbolRef::Type &Result) const {
142 const coff_symbol *symb = toSymb(Symb);
143 Result = SymbolRef::ST_Other;
144 if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
145 symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED) {
146 Result = SymbolRef::ST_Unknown;
148 if (symb->getComplexType() == COFF::IMAGE_SYM_DTYPE_FUNCTION) {
149 Result = SymbolRef::ST_Function;
152 if (error_code ec = getSymbolNMTypeChar(Symb, Type))
154 if (Type == 'r' || Type == 'R') {
155 Result = SymbolRef::ST_Data;
159 return object_error::success;
162 error_code COFFObjectFile::getSymbolFlags(DataRefImpl Symb,
163 uint32_t &Result) const {
164 const coff_symbol *symb = toSymb(Symb);
165 Result = SymbolRef::SF_None;
167 // TODO: Correctly set SF_FormatSpecific, SF_ThreadLocal, SF_Common
169 if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
170 symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED)
171 Result |= SymbolRef::SF_Undefined;
173 // TODO: This are certainly too restrictive.
174 if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL)
175 Result |= SymbolRef::SF_Global;
177 if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL)
178 Result |= SymbolRef::SF_Weak;
180 if (symb->SectionNumber == COFF::IMAGE_SYM_ABSOLUTE)
181 Result |= SymbolRef::SF_Absolute;
183 return object_error::success;
186 error_code COFFObjectFile::getSymbolSize(DataRefImpl Symb,
187 uint64_t &Result) const {
188 // FIXME: Return the correct size. This requires looking at all the symbols
189 // in the same section as this symbol, and looking for either the next
190 // symbol, or the end of the section.
191 const coff_symbol *symb = toSymb(Symb);
192 const coff_section *Section = NULL;
193 if (error_code ec = getSection(symb->SectionNumber, Section))
196 if (error_code ec = getSymbolNMTypeChar(Symb, Type))
198 if (Type == 'U' || Type == 'w')
199 Result = UnknownAddressOrSize;
201 Result = Section->SizeOfRawData - symb->Value;
204 return object_error::success;
207 error_code COFFObjectFile::getSymbolNMTypeChar(DataRefImpl Symb,
208 char &Result) const {
209 const coff_symbol *symb = toSymb(Symb);
211 if (error_code ec = getSymbolName(Symb, name))
213 char ret = StringSwitch<char>(name)
214 .StartsWith(".debug", 'N')
215 .StartsWith(".sxdata", 'N')
220 return object_error::success;
223 uint32_t Characteristics = 0;
224 if (symb->SectionNumber > 0) {
225 const coff_section *Section = NULL;
226 if (error_code ec = getSection(symb->SectionNumber, Section))
228 Characteristics = Section->Characteristics;
231 switch (symb->SectionNumber) {
232 case COFF::IMAGE_SYM_UNDEFINED:
233 // Check storage classes.
234 if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL) {
236 return object_error::success; // Don't do ::toupper.
237 } else if (symb->Value != 0) // Check for common symbols.
242 case COFF::IMAGE_SYM_ABSOLUTE:
245 case COFF::IMAGE_SYM_DEBUG:
249 // Check section type.
250 if (Characteristics & COFF::IMAGE_SCN_CNT_CODE)
252 else if ( Characteristics & COFF::IMAGE_SCN_MEM_READ
253 && ~Characteristics & COFF::IMAGE_SCN_MEM_WRITE) // Read only.
255 else if (Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
257 else if (Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)
259 else if (Characteristics & COFF::IMAGE_SCN_LNK_INFO)
262 // Check for section symbol.
263 else if ( symb->StorageClass == COFF::IMAGE_SYM_CLASS_STATIC
268 if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL)
269 ret = ::toupper(ret);
272 return object_error::success;
275 error_code COFFObjectFile::getSymbolSection(DataRefImpl Symb,
276 section_iterator &Result) const {
277 const coff_symbol *symb = toSymb(Symb);
278 if (symb->SectionNumber <= COFF::IMAGE_SYM_UNDEFINED)
279 Result = end_sections();
281 const coff_section *sec = 0;
282 if (error_code ec = getSection(symb->SectionNumber, sec)) return ec;
284 std::memset(&Sec, 0, sizeof(Sec));
285 Sec.p = reinterpret_cast<uintptr_t>(sec);
286 Result = section_iterator(SectionRef(Sec, this));
288 return object_error::success;
291 error_code COFFObjectFile::getSectionNext(DataRefImpl Sec,
292 SectionRef &Result) const {
293 const coff_section *sec = toSec(Sec);
295 Sec.p = reinterpret_cast<uintptr_t>(sec);
296 Result = SectionRef(Sec, this);
297 return object_error::success;
300 error_code COFFObjectFile::getSectionName(DataRefImpl Sec,
301 StringRef &Result) const {
302 const coff_section *sec = toSec(Sec);
304 if (sec->Name[7] == 0)
305 // Null terminated, let ::strlen figure out the length.
308 // Not null terminated, use all 8 bytes.
309 name = StringRef(sec->Name, 8);
311 // Check for string table entry. First byte is '/'.
312 if (name[0] == '/') {
314 if (name.substr(1).getAsInteger(10, Offset))
315 return object_error::parse_failed;
316 if (error_code ec = getString(Offset, name))
321 return object_error::success;
324 error_code COFFObjectFile::getSectionAddress(DataRefImpl Sec,
325 uint64_t &Result) const {
326 const coff_section *sec = toSec(Sec);
327 Result = sec->VirtualAddress;
328 return object_error::success;
331 error_code COFFObjectFile::getSectionSize(DataRefImpl Sec,
332 uint64_t &Result) const {
333 const coff_section *sec = toSec(Sec);
334 Result = sec->SizeOfRawData;
335 return object_error::success;
338 error_code COFFObjectFile::getSectionContents(DataRefImpl Sec,
339 StringRef &Result) const {
340 const coff_section *sec = toSec(Sec);
341 // The only thing that we need to verify is that the contents is contained
342 // within the file bounds. We don't need to make sure it doesn't cover other
343 // data, as there's nothing that says that is not allowed.
344 uintptr_t con_start = uintptr_t(base()) + sec->PointerToRawData;
345 uintptr_t con_end = con_start + sec->SizeOfRawData;
346 if (con_end > uintptr_t(Data->getBufferEnd()))
347 return object_error::parse_failed;
348 Result = StringRef(reinterpret_cast<const char*>(con_start),
350 return object_error::success;
353 error_code COFFObjectFile::getSectionAlignment(DataRefImpl Sec,
354 uint64_t &Res) const {
355 const coff_section *sec = toSec(Sec);
357 return object_error::parse_failed;
358 Res = uint64_t(1) << (((sec->Characteristics & 0x00F00000) >> 20) - 1);
359 return object_error::success;
362 error_code COFFObjectFile::isSectionText(DataRefImpl Sec,
363 bool &Result) const {
364 const coff_section *sec = toSec(Sec);
365 Result = sec->Characteristics & COFF::IMAGE_SCN_CNT_CODE;
366 return object_error::success;
369 error_code COFFObjectFile::isSectionData(DataRefImpl Sec,
370 bool &Result) const {
371 const coff_section *sec = toSec(Sec);
372 Result = sec->Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA;
373 return object_error::success;
376 error_code COFFObjectFile::isSectionBSS(DataRefImpl Sec,
377 bool &Result) const {
378 const coff_section *sec = toSec(Sec);
379 Result = sec->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
380 return object_error::success;
383 error_code COFFObjectFile::sectionContainsSymbol(DataRefImpl Sec,
385 bool &Result) const {
386 const coff_section *sec = toSec(Sec);
387 const coff_symbol *symb = toSymb(Symb);
388 const coff_section *symb_sec = 0;
389 if (error_code ec = getSection(symb->SectionNumber, symb_sec)) return ec;
394 return object_error::success;
397 relocation_iterator COFFObjectFile::getSectionRelBegin(DataRefImpl Sec) const {
398 const coff_section *sec = toSec(Sec);
400 std::memset(&ret, 0, sizeof(ret));
401 if (sec->NumberOfRelocations == 0)
404 ret.p = reinterpret_cast<uintptr_t>(base() + sec->PointerToRelocations);
406 return relocation_iterator(RelocationRef(ret, this));
409 relocation_iterator COFFObjectFile::getSectionRelEnd(DataRefImpl Sec) const {
410 const coff_section *sec = toSec(Sec);
412 std::memset(&ret, 0, sizeof(ret));
413 if (sec->NumberOfRelocations == 0)
416 ret.p = reinterpret_cast<uintptr_t>(
417 reinterpret_cast<const coff_relocation*>(
418 base() + sec->PointerToRelocations)
419 + sec->NumberOfRelocations);
421 return relocation_iterator(RelocationRef(ret, this));
424 COFFObjectFile::COFFObjectFile(MemoryBuffer *Object, error_code &ec)
425 : ObjectFile(Binary::ID_COFF, Object, ec)
430 , StringTableSize(0) {
431 // Check that we at least have enough room for a header.
432 if (!checkSize(Data, ec, sizeof(coff_file_header))) return;
434 // The actual starting location of the COFF header in the file. This can be
435 // non-zero in PE/COFF files.
436 uint64_t HeaderStart = 0;
438 // Check if this is a PE/COFF file.
439 if (base()[0] == 0x4d && base()[1] == 0x5a) {
440 // PE/COFF, seek through MS-DOS compatibility stub and 4-byte
441 // PE signature to find 'normal' COFF header.
442 if (!checkSize(Data, ec, 0x3c + 8)) return;
443 HeaderStart = *reinterpret_cast<const ulittle16_t *>(base() + 0x3c);
444 // Check the PE header. ("PE\0\0")
445 if (std::memcmp(base() + HeaderStart, "PE\0\0", 4) != 0) {
446 ec = object_error::parse_failed;
449 HeaderStart += 4; // Skip the PE Header.
452 Header = reinterpret_cast<const coff_file_header *>(base() + HeaderStart);
453 if (!checkAddr(Data, ec, uintptr_t(Header), sizeof(coff_file_header)))
457 reinterpret_cast<const coff_section *>( base()
459 + sizeof(coff_file_header)
460 + Header->SizeOfOptionalHeader);
461 if (!checkAddr(Data, ec, uintptr_t(SectionTable),
462 Header->NumberOfSections * sizeof(coff_section)))
465 if (Header->PointerToSymbolTable != 0) {
467 reinterpret_cast<const coff_symbol *>(base()
468 + Header->PointerToSymbolTable);
469 if (!checkAddr(Data, ec, uintptr_t(SymbolTable),
470 Header->NumberOfSymbols * sizeof(coff_symbol)))
473 // Find string table.
474 StringTable = reinterpret_cast<const char *>(base())
475 + Header->PointerToSymbolTable
476 + Header->NumberOfSymbols * sizeof(coff_symbol);
477 if (!checkAddr(Data, ec, uintptr_t(StringTable), sizeof(ulittle32_t)))
480 StringTableSize = *reinterpret_cast<const ulittle32_t *>(StringTable);
481 if (!checkAddr(Data, ec, uintptr_t(StringTable), StringTableSize))
483 // Check that the string table is null terminated if has any in it.
484 if (StringTableSize < 4
485 || (StringTableSize > 4 && StringTable[StringTableSize - 1] != 0)) {
486 ec = object_error::parse_failed;
491 ec = object_error::success;
494 symbol_iterator COFFObjectFile::begin_symbols() const {
496 std::memset(&ret, 0, sizeof(DataRefImpl));
497 ret.p = reinterpret_cast<intptr_t>(SymbolTable);
498 return symbol_iterator(SymbolRef(ret, this));
501 symbol_iterator COFFObjectFile::end_symbols() const {
502 // The symbol table ends where the string table begins.
504 std::memset(&ret, 0, sizeof(DataRefImpl));
505 ret.p = reinterpret_cast<intptr_t>(StringTable);
506 return symbol_iterator(SymbolRef(ret, this));
509 symbol_iterator COFFObjectFile::begin_dynamic_symbols() const {
511 report_fatal_error("Dynamic symbols unimplemented in COFFObjectFile");
514 symbol_iterator COFFObjectFile::end_dynamic_symbols() const {
516 report_fatal_error("Dynamic symbols unimplemented in COFFObjectFile");
519 library_iterator COFFObjectFile::begin_libraries_needed() const {
521 report_fatal_error("Libraries needed unimplemented in COFFObjectFile");
524 library_iterator COFFObjectFile::end_libraries_needed() const {
526 report_fatal_error("Libraries needed unimplemented in COFFObjectFile");
529 StringRef COFFObjectFile::getLoadName() const {
530 // COFF does not have this field.
535 section_iterator COFFObjectFile::begin_sections() const {
537 std::memset(&ret, 0, sizeof(DataRefImpl));
538 ret.p = reinterpret_cast<intptr_t>(SectionTable);
539 return section_iterator(SectionRef(ret, this));
542 section_iterator COFFObjectFile::end_sections() const {
544 std::memset(&ret, 0, sizeof(DataRefImpl));
545 ret.p = reinterpret_cast<intptr_t>(SectionTable + Header->NumberOfSections);
546 return section_iterator(SectionRef(ret, this));
549 uint8_t COFFObjectFile::getBytesInAddress() const {
550 return getArch() == Triple::x86_64 ? 8 : 4;
553 StringRef COFFObjectFile::getFileFormatName() const {
554 switch(Header->Machine) {
555 case COFF::IMAGE_FILE_MACHINE_I386:
557 case COFF::IMAGE_FILE_MACHINE_AMD64:
558 return "COFF-x86-64";
560 return "COFF-<unknown arch>";
564 unsigned COFFObjectFile::getArch() const {
565 switch(Header->Machine) {
566 case COFF::IMAGE_FILE_MACHINE_I386:
568 case COFF::IMAGE_FILE_MACHINE_AMD64:
569 return Triple::x86_64;
571 return Triple::UnknownArch;
575 error_code COFFObjectFile::getHeader(const coff_file_header *&Res) const {
577 return object_error::success;
580 error_code COFFObjectFile::getSection(int32_t index,
581 const coff_section *&Result) const {
582 // Check for special index values.
583 if (index == COFF::IMAGE_SYM_UNDEFINED ||
584 index == COFF::IMAGE_SYM_ABSOLUTE ||
585 index == COFF::IMAGE_SYM_DEBUG)
587 else if (index > 0 && index <= Header->NumberOfSections)
588 // We already verified the section table data, so no need to check again.
589 Result = SectionTable + (index - 1);
591 return object_error::parse_failed;
592 return object_error::success;
595 error_code COFFObjectFile::getString(uint32_t offset,
596 StringRef &Result) const {
597 if (StringTableSize <= 4)
598 // Tried to get a string from an empty string table.
599 return object_error::parse_failed;
600 if (offset >= StringTableSize)
601 return object_error::unexpected_eof;
602 Result = StringRef(StringTable + offset);
603 return object_error::success;
606 error_code COFFObjectFile::getSymbol(uint32_t index,
607 const coff_symbol *&Result) const {
608 if (index < Header->NumberOfSymbols)
609 Result = SymbolTable + index;
611 return object_error::parse_failed;
612 return object_error::success;
615 error_code COFFObjectFile::getSymbolName(const coff_symbol *symbol,
616 StringRef &Res) const {
617 // Check for string table entry. First 4 bytes are 0.
618 if (symbol->Name.Offset.Zeroes == 0) {
619 uint32_t Offset = symbol->Name.Offset.Offset;
620 if (error_code ec = getString(Offset, Res))
622 return object_error::success;
625 if (symbol->Name.ShortName[7] == 0)
626 // Null terminated, let ::strlen figure out the length.
627 Res = StringRef(symbol->Name.ShortName);
629 // Not null terminated, use all 8 bytes.
630 Res = StringRef(symbol->Name.ShortName, 8);
631 return object_error::success;
634 const coff_relocation *COFFObjectFile::toRel(DataRefImpl Rel) const {
635 return reinterpret_cast<const coff_relocation*>(Rel.p);
637 error_code COFFObjectFile::getRelocationNext(DataRefImpl Rel,
638 RelocationRef &Res) const {
639 Rel.p = reinterpret_cast<uintptr_t>(
640 reinterpret_cast<const coff_relocation*>(Rel.p) + 1);
641 Res = RelocationRef(Rel, this);
642 return object_error::success;
644 error_code COFFObjectFile::getRelocationAddress(DataRefImpl Rel,
645 uint64_t &Res) const {
646 Res = toRel(Rel)->VirtualAddress;
647 return object_error::success;
649 error_code COFFObjectFile::getRelocationOffset(DataRefImpl Rel,
650 uint64_t &Res) const {
651 Res = toRel(Rel)->VirtualAddress;
652 return object_error::success;
654 error_code COFFObjectFile::getRelocationSymbol(DataRefImpl Rel,
655 SymbolRef &Res) const {
656 const coff_relocation* R = toRel(Rel);
658 std::memset(&Symb, 0, sizeof(Symb));
659 Symb.p = reinterpret_cast<uintptr_t>(SymbolTable + R->SymbolTableIndex);
660 Res = SymbolRef(Symb, this);
661 return object_error::success;
663 error_code COFFObjectFile::getRelocationType(DataRefImpl Rel,
664 uint64_t &Res) const {
665 const coff_relocation* R = toRel(Rel);
667 return object_error::success;
670 #define LLVM_COFF_SWITCH_RELOC_TYPE_NAME(enum) \
671 case COFF::enum: res = #enum; break;
673 error_code COFFObjectFile::getRelocationTypeName(DataRefImpl Rel,
674 SmallVectorImpl<char> &Result) const {
675 const coff_relocation *reloc = toRel(Rel);
677 switch (Header->Machine) {
678 case COFF::IMAGE_FILE_MACHINE_AMD64:
679 switch (reloc->Type) {
680 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ABSOLUTE);
681 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR64);
682 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR32);
683 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR32NB);
684 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32);
685 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_1);
686 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_2);
687 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_3);
688 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_4);
689 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_5);
690 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECTION);
691 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECREL);
692 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECREL7);
693 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_TOKEN);
694 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SREL32);
695 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_PAIR);
696 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SSPAN32);
701 case COFF::IMAGE_FILE_MACHINE_I386:
702 switch (reloc->Type) {
703 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_ABSOLUTE);
704 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR16);
705 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_REL16);
706 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR32);
707 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR32NB);
708 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SEG12);
709 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECTION);
710 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECREL);
711 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_TOKEN);
712 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECREL7);
713 LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_REL32);
721 Result.append(res.begin(), res.end());
722 return object_error::success;
725 #undef LLVM_COFF_SWITCH_RELOC_TYPE_NAME
727 error_code COFFObjectFile::getRelocationAdditionalInfo(DataRefImpl Rel,
728 int64_t &Res) const {
730 return object_error::success;
732 error_code COFFObjectFile::getRelocationValueString(DataRefImpl Rel,
733 SmallVectorImpl<char> &Result) const {
734 const coff_relocation *reloc = toRel(Rel);
735 const coff_symbol *symb = 0;
736 if (error_code ec = getSymbol(reloc->SymbolTableIndex, symb)) return ec;
738 ::memset(&sym, 0, sizeof(sym));
739 sym.p = reinterpret_cast<uintptr_t>(symb);
741 if (error_code ec = getSymbolName(sym, symname)) return ec;
742 Result.append(symname.begin(), symname.end());
743 return object_error::success;
746 error_code COFFObjectFile::getLibraryNext(DataRefImpl LibData,
747 LibraryRef &Result) const {
748 report_fatal_error("getLibraryNext not implemented in COFFObjectFile");
751 error_code COFFObjectFile::getLibraryPath(DataRefImpl LibData,
752 StringRef &Result) const {
753 report_fatal_error("getLibraryPath not implemented in COFFObjectFile");
758 ObjectFile *ObjectFile::createCOFFObjectFile(MemoryBuffer *Object) {
760 return new COFFObjectFile(Object, ec);
763 } // end namespace llvm