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-rw-r--r--contrib/llvm/lib/Object/COFFObjectFile.cpp676
1 files changed, 676 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Object/COFFObjectFile.cpp b/contrib/llvm/lib/Object/COFFObjectFile.cpp
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+++ b/contrib/llvm/lib/Object/COFFObjectFile.cpp
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+//===- COFFObjectFile.cpp - COFF object file implementation -----*- 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 the COFFObjectFile class.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Object/COFF.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/Triple.h"
+
+using namespace llvm;
+using namespace object;
+
+namespace {
+using support::ulittle8_t;
+using support::ulittle16_t;
+using support::ulittle32_t;
+using support::little16_t;
+}
+
+namespace {
+// Returns false if size is greater than the buffer size. And sets ec.
+bool checkSize(const MemoryBuffer *m, error_code &ec, uint64_t size) {
+ if (m->getBufferSize() < size) {
+ ec = object_error::unexpected_eof;
+ return false;
+ }
+ return true;
+}
+
+// Returns false if any bytes in [addr, addr + size) fall outsize of m.
+bool checkAddr(const MemoryBuffer *m,
+ error_code &ec,
+ uintptr_t addr,
+ uint64_t size) {
+ if (addr + size < addr ||
+ addr + size < size ||
+ addr + size > uintptr_t(m->getBufferEnd())) {
+ ec = object_error::unexpected_eof;
+ return false;
+ }
+ return true;
+}
+}
+
+const coff_symbol *COFFObjectFile::toSymb(DataRefImpl Symb) const {
+ const coff_symbol *addr = reinterpret_cast<const coff_symbol*>(Symb.p);
+
+# ifndef NDEBUG
+ // Verify that the symbol points to a valid entry in the symbol table.
+ uintptr_t offset = uintptr_t(addr) - uintptr_t(base());
+ if (offset < Header->PointerToSymbolTable
+ || offset >= Header->PointerToSymbolTable
+ + (Header->NumberOfSymbols * sizeof(coff_symbol)))
+ report_fatal_error("Symbol was outside of symbol table.");
+
+ assert((offset - Header->PointerToSymbolTable) % sizeof(coff_symbol)
+ == 0 && "Symbol did not point to the beginning of a symbol");
+# endif
+
+ return addr;
+}
+
+const coff_section *COFFObjectFile::toSec(DataRefImpl Sec) const {
+ const coff_section *addr = reinterpret_cast<const coff_section*>(Sec.p);
+
+# ifndef NDEBUG
+ // Verify that the section points to a valid entry in the section table.
+ if (addr < SectionTable
+ || addr >= (SectionTable + Header->NumberOfSections))
+ report_fatal_error("Section was outside of section table.");
+
+ uintptr_t offset = uintptr_t(addr) - uintptr_t(SectionTable);
+ assert(offset % sizeof(coff_section) == 0 &&
+ "Section did not point to the beginning of a section");
+# endif
+
+ return addr;
+}
+
+error_code COFFObjectFile::getSymbolNext(DataRefImpl Symb,
+ SymbolRef &Result) const {
+ const coff_symbol *symb = toSymb(Symb);
+ symb += 1 + symb->NumberOfAuxSymbols;
+ Symb.p = reinterpret_cast<uintptr_t>(symb);
+ Result = SymbolRef(Symb, this);
+ return object_error::success;
+}
+
+ error_code COFFObjectFile::getSymbolName(DataRefImpl Symb,
+ StringRef &Result) const {
+ const coff_symbol *symb = toSymb(Symb);
+ // Check for string table entry. First 4 bytes are 0.
+ if (symb->Name.Offset.Zeroes == 0) {
+ uint32_t Offset = symb->Name.Offset.Offset;
+ if (error_code ec = getString(Offset, Result))
+ return ec;
+ return object_error::success;
+ }
+
+ if (symb->Name.ShortName[7] == 0)
+ // Null terminated, let ::strlen figure out the length.
+ Result = StringRef(symb->Name.ShortName);
+ else
+ // Not null terminated, use all 8 bytes.
+ Result = StringRef(symb->Name.ShortName, 8);
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSymbolOffset(DataRefImpl Symb,
+ uint64_t &Result) const {
+ const coff_symbol *symb = toSymb(Symb);
+ const coff_section *Section = NULL;
+ if (error_code ec = getSection(symb->SectionNumber, Section))
+ return ec;
+ char Type;
+ if (error_code ec = getSymbolNMTypeChar(Symb, Type))
+ return ec;
+ if (Type == 'U' || Type == 'w')
+ Result = UnknownAddressOrSize;
+ else if (Section)
+ Result = Section->VirtualAddress + symb->Value;
+ else
+ Result = symb->Value;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSymbolAddress(DataRefImpl Symb,
+ uint64_t &Result) const {
+ const coff_symbol *symb = toSymb(Symb);
+ const coff_section *Section = NULL;
+ if (error_code ec = getSection(symb->SectionNumber, Section))
+ return ec;
+ char Type;
+ if (error_code ec = getSymbolNMTypeChar(Symb, Type))
+ return ec;
+ if (Type == 'U' || Type == 'w')
+ Result = UnknownAddressOrSize;
+ else if (Section)
+ Result = reinterpret_cast<uintptr_t>(base() +
+ Section->PointerToRawData +
+ symb->Value);
+ else
+ Result = reinterpret_cast<uintptr_t>(base() + symb->Value);
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSymbolType(DataRefImpl Symb,
+ SymbolRef::SymbolType &Result) const {
+ const coff_symbol *symb = toSymb(Symb);
+ Result = SymbolRef::ST_Other;
+ if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
+ symb->SectionNumber == COFF::IMAGE_SYM_UNDEFINED) {
+ Result = SymbolRef::ST_External;
+ } else {
+ if (symb->Type.ComplexType == COFF::IMAGE_SYM_DTYPE_FUNCTION) {
+ Result = SymbolRef::ST_Function;
+ } else {
+ char Type;
+ if (error_code ec = getSymbolNMTypeChar(Symb, Type))
+ return ec;
+ if (Type == 'r' || Type == 'R') {
+ Result = SymbolRef::ST_Data;
+ }
+ }
+ }
+ return object_error::success;
+}
+
+error_code COFFObjectFile::isSymbolGlobal(DataRefImpl Symb,
+ bool &Result) const {
+ const coff_symbol *symb = toSymb(Symb);
+ Result = (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL);
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSymbolSize(DataRefImpl Symb,
+ uint64_t &Result) const {
+ // FIXME: Return the correct size. This requires looking at all the symbols
+ // in the same section as this symbol, and looking for either the next
+ // symbol, or the end of the section.
+ const coff_symbol *symb = toSymb(Symb);
+ const coff_section *Section = NULL;
+ if (error_code ec = getSection(symb->SectionNumber, Section))
+ return ec;
+ char Type;
+ if (error_code ec = getSymbolNMTypeChar(Symb, Type))
+ return ec;
+ if (Type == 'U' || Type == 'w')
+ Result = UnknownAddressOrSize;
+ else if (Section)
+ Result = Section->SizeOfRawData - symb->Value;
+ else
+ Result = 0;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSymbolNMTypeChar(DataRefImpl Symb,
+ char &Result) const {
+ const coff_symbol *symb = toSymb(Symb);
+ StringRef name;
+ if (error_code ec = getSymbolName(Symb, name))
+ return ec;
+ char ret = StringSwitch<char>(name)
+ .StartsWith(".debug", 'N')
+ .StartsWith(".sxdata", 'N')
+ .Default('?');
+
+ if (ret != '?') {
+ Result = ret;
+ return object_error::success;
+ }
+
+ uint32_t Characteristics = 0;
+ if (symb->SectionNumber > 0) {
+ const coff_section *Section = NULL;
+ if (error_code ec = getSection(symb->SectionNumber, Section))
+ return ec;
+ Characteristics = Section->Characteristics;
+ }
+
+ switch (symb->SectionNumber) {
+ case COFF::IMAGE_SYM_UNDEFINED:
+ // Check storage classes.
+ if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL) {
+ Result = 'w';
+ return object_error::success; // Don't do ::toupper.
+ } else
+ ret = 'u';
+ break;
+ case COFF::IMAGE_SYM_ABSOLUTE:
+ ret = 'a';
+ break;
+ case COFF::IMAGE_SYM_DEBUG:
+ ret = 'n';
+ break;
+ default:
+ // Check section type.
+ if (Characteristics & COFF::IMAGE_SCN_CNT_CODE)
+ ret = 't';
+ else if ( Characteristics & COFF::IMAGE_SCN_MEM_READ
+ && ~Characteristics & COFF::IMAGE_SCN_MEM_WRITE) // Read only.
+ ret = 'r';
+ else if (Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA)
+ ret = 'd';
+ else if (Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA)
+ ret = 'b';
+ else if (Characteristics & COFF::IMAGE_SCN_LNK_INFO)
+ ret = 'i';
+
+ // Check for section symbol.
+ else if ( symb->StorageClass == COFF::IMAGE_SYM_CLASS_STATIC
+ && symb->Value == 0)
+ ret = 's';
+ }
+
+ if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL)
+ ret = ::toupper(ret);
+
+ Result = ret;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::isSymbolInternal(DataRefImpl Symb,
+ bool &Result) const {
+ Result = false;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSectionNext(DataRefImpl Sec,
+ SectionRef &Result) const {
+ const coff_section *sec = toSec(Sec);
+ sec += 1;
+ Sec.p = reinterpret_cast<uintptr_t>(sec);
+ Result = SectionRef(Sec, this);
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSectionName(DataRefImpl Sec,
+ StringRef &Result) const {
+ const coff_section *sec = toSec(Sec);
+ StringRef name;
+ if (sec->Name[7] == 0)
+ // Null terminated, let ::strlen figure out the length.
+ name = sec->Name;
+ else
+ // Not null terminated, use all 8 bytes.
+ name = StringRef(sec->Name, 8);
+
+ // Check for string table entry. First byte is '/'.
+ if (name[0] == '/') {
+ uint32_t Offset;
+ name.substr(1).getAsInteger(10, Offset);
+ if (error_code ec = getString(Offset, name))
+ return ec;
+ }
+
+ Result = name;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSectionAddress(DataRefImpl Sec,
+ uint64_t &Result) const {
+ const coff_section *sec = toSec(Sec);
+ Result = sec->VirtualAddress;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSectionSize(DataRefImpl Sec,
+ uint64_t &Result) const {
+ const coff_section *sec = toSec(Sec);
+ Result = sec->SizeOfRawData;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSectionContents(DataRefImpl Sec,
+ StringRef &Result) const {
+ const coff_section *sec = toSec(Sec);
+ // The only thing that we need to verify is that the contents is contained
+ // within the file bounds. We don't need to make sure it doesn't cover other
+ // data, as there's nothing that says that is not allowed.
+ uintptr_t con_start = uintptr_t(base()) + sec->PointerToRawData;
+ uintptr_t con_end = con_start + sec->SizeOfRawData;
+ if (con_end >= uintptr_t(Data->getBufferEnd()))
+ return object_error::parse_failed;
+ Result = StringRef(reinterpret_cast<const char*>(con_start),
+ sec->SizeOfRawData);
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSectionAlignment(DataRefImpl Sec,
+ uint64_t &Res) const {
+ const coff_section *sec = toSec(Sec);
+ if (!sec)
+ return object_error::parse_failed;
+ Res = uint64_t(1) << (((sec->Characteristics & 0x00F00000) >> 20) - 1);
+ return object_error::success;
+}
+
+error_code COFFObjectFile::isSectionText(DataRefImpl Sec,
+ bool &Result) const {
+ const coff_section *sec = toSec(Sec);
+ Result = sec->Characteristics & COFF::IMAGE_SCN_CNT_CODE;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::isSectionData(DataRefImpl Sec,
+ bool &Result) const {
+ const coff_section *sec = toSec(Sec);
+ Result = sec->Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::isSectionBSS(DataRefImpl Sec,
+ bool &Result) const {
+ const coff_section *sec = toSec(Sec);
+ Result = sec->Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::sectionContainsSymbol(DataRefImpl Sec,
+ DataRefImpl Symb,
+ bool &Result) const {
+ const coff_section *sec = toSec(Sec);
+ const coff_symbol *symb = toSymb(Symb);
+ const coff_section *symb_sec;
+ if (error_code ec = getSection(symb->SectionNumber, symb_sec)) return ec;
+ if (symb_sec == sec)
+ Result = true;
+ else
+ Result = false;
+ return object_error::success;
+}
+
+relocation_iterator COFFObjectFile::getSectionRelBegin(DataRefImpl Sec) const {
+ const coff_section *sec = toSec(Sec);
+ DataRefImpl ret;
+ std::memset(&ret, 0, sizeof(ret));
+ if (sec->NumberOfRelocations == 0)
+ ret.p = 0;
+ else
+ ret.p = reinterpret_cast<uintptr_t>(base() + sec->PointerToRelocations);
+
+ return relocation_iterator(RelocationRef(ret, this));
+}
+
+relocation_iterator COFFObjectFile::getSectionRelEnd(DataRefImpl Sec) const {
+ const coff_section *sec = toSec(Sec);
+ DataRefImpl ret;
+ std::memset(&ret, 0, sizeof(ret));
+ if (sec->NumberOfRelocations == 0)
+ ret.p = 0;
+ else
+ ret.p = reinterpret_cast<uintptr_t>(
+ reinterpret_cast<const coff_relocation*>(
+ base() + sec->PointerToRelocations)
+ + sec->NumberOfRelocations);
+
+ return relocation_iterator(RelocationRef(ret, this));
+}
+
+COFFObjectFile::COFFObjectFile(MemoryBuffer *Object, error_code &ec)
+ : ObjectFile(Binary::isCOFF, Object, ec) {
+ // Check that we at least have enough room for a header.
+ if (!checkSize(Data, ec, sizeof(coff_file_header))) return;
+
+ // The actual starting location of the COFF header in the file. This can be
+ // non-zero in PE/COFF files.
+ uint64_t HeaderStart = 0;
+
+ // Check if this is a PE/COFF file.
+ if (base()[0] == 0x4d && base()[1] == 0x5a) {
+ // PE/COFF, seek through MS-DOS compatibility stub and 4-byte
+ // PE signature to find 'normal' COFF header.
+ if (!checkSize(Data, ec, 0x3c + 8)) return;
+ HeaderStart += *reinterpret_cast<const ulittle32_t *>(base() + 0x3c);
+ // Check the PE header. ("PE\0\0")
+ if (std::memcmp(base() + HeaderStart, "PE\0\0", 4) != 0) {
+ ec = object_error::parse_failed;
+ return;
+ }
+ HeaderStart += 4; // Skip the PE Header.
+ }
+
+ Header = reinterpret_cast<const coff_file_header *>(base() + HeaderStart);
+ if (!checkAddr(Data, ec, uintptr_t(Header), sizeof(coff_file_header)))
+ return;
+
+ SectionTable =
+ reinterpret_cast<const coff_section *>( base()
+ + HeaderStart
+ + sizeof(coff_file_header)
+ + Header->SizeOfOptionalHeader);
+ if (!checkAddr(Data, ec, uintptr_t(SectionTable),
+ Header->NumberOfSections * sizeof(coff_section)))
+ return;
+
+ SymbolTable =
+ reinterpret_cast<const coff_symbol *>(base()
+ + Header->PointerToSymbolTable);
+ if (!checkAddr(Data, ec, uintptr_t(SymbolTable),
+ Header->NumberOfSymbols * sizeof(coff_symbol)))
+ return;
+
+ // Find string table.
+ StringTable = reinterpret_cast<const char *>(base())
+ + Header->PointerToSymbolTable
+ + Header->NumberOfSymbols * sizeof(coff_symbol);
+ if (!checkAddr(Data, ec, uintptr_t(StringTable), sizeof(ulittle32_t)))
+ return;
+
+ StringTableSize = *reinterpret_cast<const ulittle32_t *>(StringTable);
+ if (!checkAddr(Data, ec, uintptr_t(StringTable), StringTableSize))
+ return;
+ // Check that the string table is null terminated if has any in it.
+ if (StringTableSize < 4
+ || (StringTableSize > 4 && StringTable[StringTableSize - 1] != 0)) {
+ ec = object_error::parse_failed;
+ return;
+ }
+
+ ec = object_error::success;
+}
+
+symbol_iterator COFFObjectFile::begin_symbols() const {
+ DataRefImpl ret;
+ std::memset(&ret, 0, sizeof(DataRefImpl));
+ ret.p = reinterpret_cast<intptr_t>(SymbolTable);
+ return symbol_iterator(SymbolRef(ret, this));
+}
+
+symbol_iterator COFFObjectFile::end_symbols() const {
+ // The symbol table ends where the string table begins.
+ DataRefImpl ret;
+ std::memset(&ret, 0, sizeof(DataRefImpl));
+ ret.p = reinterpret_cast<intptr_t>(StringTable);
+ return symbol_iterator(SymbolRef(ret, this));
+}
+
+section_iterator COFFObjectFile::begin_sections() const {
+ DataRefImpl ret;
+ std::memset(&ret, 0, sizeof(DataRefImpl));
+ ret.p = reinterpret_cast<intptr_t>(SectionTable);
+ return section_iterator(SectionRef(ret, this));
+}
+
+section_iterator COFFObjectFile::end_sections() const {
+ DataRefImpl ret;
+ std::memset(&ret, 0, sizeof(DataRefImpl));
+ ret.p = reinterpret_cast<intptr_t>(SectionTable + Header->NumberOfSections);
+ return section_iterator(SectionRef(ret, this));
+}
+
+uint8_t COFFObjectFile::getBytesInAddress() const {
+ return getArch() == Triple::x86_64 ? 8 : 4;
+}
+
+StringRef COFFObjectFile::getFileFormatName() const {
+ switch(Header->Machine) {
+ case COFF::IMAGE_FILE_MACHINE_I386:
+ return "COFF-i386";
+ case COFF::IMAGE_FILE_MACHINE_AMD64:
+ return "COFF-x86-64";
+ default:
+ return "COFF-<unknown arch>";
+ }
+}
+
+unsigned COFFObjectFile::getArch() const {
+ switch(Header->Machine) {
+ case COFF::IMAGE_FILE_MACHINE_I386:
+ return Triple::x86;
+ case COFF::IMAGE_FILE_MACHINE_AMD64:
+ return Triple::x86_64;
+ default:
+ return Triple::UnknownArch;
+ }
+}
+
+error_code COFFObjectFile::getSection(int32_t index,
+ const coff_section *&Result) const {
+ // Check for special index values.
+ if (index == COFF::IMAGE_SYM_UNDEFINED ||
+ index == COFF::IMAGE_SYM_ABSOLUTE ||
+ index == COFF::IMAGE_SYM_DEBUG)
+ Result = NULL;
+ else if (index > 0 && index <= Header->NumberOfSections)
+ // We already verified the section table data, so no need to check again.
+ Result = SectionTable + (index - 1);
+ else
+ return object_error::parse_failed;
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getString(uint32_t offset,
+ StringRef &Result) const {
+ if (StringTableSize <= 4)
+ // Tried to get a string from an empty string table.
+ return object_error::parse_failed;
+ if (offset >= StringTableSize)
+ return object_error::unexpected_eof;
+ Result = StringRef(StringTable + offset);
+ return object_error::success;
+}
+
+error_code COFFObjectFile::getSymbol(uint32_t index,
+ const coff_symbol *&Result) const {
+ if (index > 0 && index < Header->NumberOfSymbols)
+ Result = SymbolTable + index;
+ else
+ return object_error::parse_failed;
+ return object_error::success;
+}
+
+const coff_relocation *COFFObjectFile::toRel(DataRefImpl Rel) const {
+ return reinterpret_cast<const coff_relocation*>(Rel.p);
+}
+error_code COFFObjectFile::getRelocationNext(DataRefImpl Rel,
+ RelocationRef &Res) const {
+ Rel.p = reinterpret_cast<uintptr_t>(
+ reinterpret_cast<const coff_relocation*>(Rel.p) + 1);
+ Res = RelocationRef(Rel, this);
+ return object_error::success;
+}
+error_code COFFObjectFile::getRelocationAddress(DataRefImpl Rel,
+ uint64_t &Res) const {
+ Res = toRel(Rel)->VirtualAddress;
+ return object_error::success;
+}
+error_code COFFObjectFile::getRelocationSymbol(DataRefImpl Rel,
+ SymbolRef &Res) const {
+ const coff_relocation* R = toRel(Rel);
+ DataRefImpl Symb;
+ Symb.p = reinterpret_cast<uintptr_t>(SymbolTable + R->SymbolTableIndex);
+ Res = SymbolRef(Symb, this);
+ return object_error::success;
+}
+error_code COFFObjectFile::getRelocationType(DataRefImpl Rel,
+ uint32_t &Res) const {
+ const coff_relocation* R = toRel(Rel);
+ Res = R->Type;
+ return object_error::success;
+}
+
+#define LLVM_COFF_SWITCH_RELOC_TYPE_NAME(enum) \
+ case COFF::enum: res = #enum; break;
+
+error_code COFFObjectFile::getRelocationTypeName(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const {
+ const coff_relocation *reloc = toRel(Rel);
+ StringRef res;
+ switch (Header->Machine) {
+ case COFF::IMAGE_FILE_MACHINE_AMD64:
+ switch (reloc->Type) {
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ABSOLUTE);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR64);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR32);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_ADDR32NB);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_1);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_2);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_3);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_4);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_REL32_5);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECTION);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECREL);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SECREL7);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_TOKEN);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SREL32);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_PAIR);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_AMD64_SSPAN32);
+ default:
+ res = "Unknown";
+ }
+ break;
+ case COFF::IMAGE_FILE_MACHINE_I386:
+ switch (reloc->Type) {
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_ABSOLUTE);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR16);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_REL16);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR32);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_DIR32NB);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SEG12);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECTION);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECREL);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_TOKEN);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_SECREL7);
+ LLVM_COFF_SWITCH_RELOC_TYPE_NAME(IMAGE_REL_I386_REL32);
+ default:
+ res = "Unknown";
+ }
+ break;
+ default:
+ res = "Unknown";
+ }
+ Result.append(res.begin(), res.end());
+ return object_error::success;
+}
+
+#undef LLVM_COFF_SWITCH_RELOC_TYPE_NAME
+
+error_code COFFObjectFile::getRelocationAdditionalInfo(DataRefImpl Rel,
+ int64_t &Res) const {
+ Res = 0;
+ return object_error::success;
+}
+error_code COFFObjectFile::getRelocationValueString(DataRefImpl Rel,
+ SmallVectorImpl<char> &Result) const {
+ const coff_relocation *reloc = toRel(Rel);
+ const coff_symbol *symb = 0;
+ if (error_code ec = getSymbol(reloc->SymbolTableIndex, symb)) return ec;
+ DataRefImpl sym;
+ ::memset(&sym, 0, sizeof(sym));
+ sym.p = reinterpret_cast<uintptr_t>(symb);
+ StringRef symname;
+ if (error_code ec = getSymbolName(sym, symname)) return ec;
+ Result.append(symname.begin(), symname.end());
+ return object_error::success;
+}
+
+namespace llvm {
+
+ ObjectFile *ObjectFile::createCOFFObjectFile(MemoryBuffer *Object) {
+ error_code ec;
+ return new COFFObjectFile(Object, ec);
+ }
+
+} // end namespace llvm
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