COFFObjectFile.cpp revision 7acdb4d237181976b04e72f6a6c329c3b2604440
1a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer//===- COFFObjectFile.cpp - COFF object file implementation -----*- C++ -*-===// 2a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer// 3a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer// The LLVM Compiler Infrastructure 4a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer// 5a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer// This file is distributed under the University of Illinois Open Source 6a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer// License. See LICENSE.TXT for details. 7a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer// 8a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer//===----------------------------------------------------------------------===// 9a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer// 10a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer// This file declares the COFFObjectFile class. 11a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer// 12a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer//===----------------------------------------------------------------------===// 13a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 14a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer#include "llvm/ADT/StringSwitch.h" 15a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer#include "llvm/ADT/Triple.h" 16a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer#include "llvm/Object/ObjectFile.h" 17a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer#include "llvm/Support/COFF.h" 18a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer#include "llvm/Support/Endian.h" 19a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 20a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerusing namespace llvm; 21a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerusing namespace object; 22a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 23a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencernamespace { 24a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerusing support::ulittle8_t; 25a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerusing support::ulittle16_t; 26a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerusing support::ulittle32_t; 27a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerusing support::little16_t; 28a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 29a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 30a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencernamespace { 31a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerstruct coff_file_header { 32a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle16_t Machine; 33a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle16_t NumberOfSections; 34a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t TimeDateStamp; 35a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t PointerToSymbolTable; 36a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t NumberOfSymbols; 37a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle16_t SizeOfOptionalHeader; 38a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle16_t Characteristics; 39a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer}; 40a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 41a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 42a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerextern char coff_file_header_layout_static_assert 43a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer [sizeof(coff_file_header) == 20 ? 1 : -1]; 44a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 45a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencernamespace { 46a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerstruct coff_symbol { 47a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer struct StringTableOffset { 48a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t Zeroes; 49a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t Offset; 50a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer }; 51a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 52a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer union { 53a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer char ShortName[8]; 54a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer StringTableOffset Offset; 55a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer } Name; 56a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 57a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t Value; 58a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer little16_t SectionNumber; 59a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 60a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer struct { 61a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle8_t BaseType; 62a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle8_t ComplexType; 63a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer } Type; 64a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 65a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle8_t StorageClass; 66a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle8_t NumberOfAuxSymbols; 67a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer}; 68a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 69a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 70a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerextern char coff_coff_symbol_layout_static_assert 71a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer [sizeof(coff_symbol) == 18 ? 1 : -1]; 72a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 73a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencernamespace { 74a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerstruct coff_section { 75a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer char Name[8]; 76a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t VirtualSize; 77a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t VirtualAddress; 78a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t SizeOfRawData; 79a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t PointerToRawData; 80a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t PointerToRelocations; 81a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t PointerToLinenumbers; 82a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle16_t NumberOfRelocations; 83a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle16_t NumberOfLinenumbers; 84a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ulittle32_t Characteristics; 85a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer}; 86a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 87a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 88a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerextern char coff_coff_section_layout_static_assert 89a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer [sizeof(coff_section) == 40 ? 1 : -1]; 90a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 91a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencernamespace { 92a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerclass COFFObjectFile : public ObjectFile { 93a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerprivate: 94a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer const coff_file_header *Header; 95a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer const coff_section *SectionTable; 96a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer const coff_symbol *SymbolTable; 97a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer const char *StringTable; 98a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 99a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer const coff_section *getSection(std::size_t index) const; 100a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer const char *getString(std::size_t offset) const; 101a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 102a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerprotected: 103a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual SymbolRef getSymbolNext(DataRefImpl Symb) const; 104a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual StringRef getSymbolName(DataRefImpl Symb) const; 105a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual uint64_t getSymbolAddress(DataRefImpl Symb) const; 106a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual uint64_t getSymbolSize(DataRefImpl Symb) const; 107a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual char getSymbolNMTypeChar(DataRefImpl Symb) const; 108a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual bool isSymbolInternal(DataRefImpl Symb) const; 109a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 110a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual SectionRef getSectionNext(DataRefImpl Sec) const; 111a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual StringRef getSectionName(DataRefImpl Sec) const; 112a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual uint64_t getSectionAddress(DataRefImpl Sec) const; 113a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual uint64_t getSectionSize(DataRefImpl Sec) const; 114a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual StringRef getSectionContents(DataRefImpl Sec) const; 115a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual bool isSectionText(DataRefImpl Sec) const; 116a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 117a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerpublic: 118a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer COFFObjectFile(MemoryBuffer *Object); 119a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual symbol_iterator begin_symbols() const; 120a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual symbol_iterator end_symbols() const; 121a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual section_iterator begin_sections() const; 122a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual section_iterator end_sections() const; 123a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 124a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual uint8_t getBytesInAddress() const; 125a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual StringRef getFileFormatName() const; 126a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer virtual unsigned getArch() const; 127a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer}; 128a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} // end namespace 129a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 130a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. SpencerSymbolRef COFFObjectFile::getSymbolNext(DataRefImpl Symb) const { 1317acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer const coff_symbol *symb = reinterpret_cast<const coff_symbol*>(Symb.p); 132a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer symb += 1 + symb->NumberOfAuxSymbols; 1337acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer Symb.p = reinterpret_cast<intptr_t>(symb); 1347acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer return SymbolRef(Symb, this); 135a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 136a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 137a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. SpencerStringRef COFFObjectFile::getSymbolName(DataRefImpl Symb) const { 1387acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer const coff_symbol *symb = reinterpret_cast<const coff_symbol*>(Symb.p); 139a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // Check for string table entry. First 4 bytes are 0. 140a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (symb->Name.Offset.Zeroes == 0) { 141a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer uint32_t Offset = symb->Name.Offset.Offset; 142a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return StringRef(getString(Offset)); 143a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer } 144a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 145a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (symb->Name.ShortName[7] == 0) 146a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // Null terminated, let ::strlen figure out the length. 147a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return StringRef(symb->Name.ShortName); 148a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // Not null terminated, use all 8 bytes. 149a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return StringRef(symb->Name.ShortName, 8); 150a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 151a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 152a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spenceruint64_t COFFObjectFile::getSymbolAddress(DataRefImpl Symb) const { 1537acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer const coff_symbol *symb = reinterpret_cast<const coff_symbol*>(Symb.p); 154a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer const coff_section *Section = getSection(symb->SectionNumber); 155a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer char Type = getSymbolNMTypeChar(Symb); 156a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (Type == 'U' || Type == 'w') 157a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return UnknownAddressOrSize; 158a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (Section) 159a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return Section->VirtualAddress + symb->Value; 160a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return symb->Value; 161a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 162a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 163a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spenceruint64_t COFFObjectFile::getSymbolSize(DataRefImpl Symb) const { 164a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // FIXME: Return the correct size. This requires looking at all the symbols 165a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // in the same section as this symbol, and looking for either the next 166a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // symbol, or the end of the section. 1677acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer const coff_symbol *symb = reinterpret_cast<const coff_symbol*>(Symb.p); 168a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer const coff_section *Section = getSection(symb->SectionNumber); 169a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer char Type = getSymbolNMTypeChar(Symb); 170a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (Type == 'U' || Type == 'w') 171a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return UnknownAddressOrSize; 172a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (Section) 173a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return Section->SizeOfRawData - symb->Value; 174a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return 0; 175a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 176a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 177a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerchar COFFObjectFile::getSymbolNMTypeChar(DataRefImpl Symb) const { 1787acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer const coff_symbol *symb = reinterpret_cast<const coff_symbol*>(Symb.p); 179a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer char ret = StringSwitch<char>(getSymbolName(Symb)) 180a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer .StartsWith(".debug", 'N') 181a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer .StartsWith(".sxdata", 'N') 182a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer .Default('?'); 183a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 184a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (ret != '?') 185a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return ret; 186a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 187a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer uint32_t Characteristics = 0; 188a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer uint32_t PointerToRawData = 0; 189a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer const coff_section *Section = getSection(symb->SectionNumber); 190a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (Section) { 191a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer Characteristics = Section->Characteristics; 192a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer PointerToRawData = Section->PointerToRawData; 193a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer } 194a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 195a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer switch (symb->SectionNumber) { 196a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer case COFF::IMAGE_SYM_UNDEFINED: 197a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // Check storage classes. 198a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL) 199a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return 'w'; // Don't do ::toupper. 200a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer else 201a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ret = 'u'; 202a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer break; 203a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer case COFF::IMAGE_SYM_ABSOLUTE: 204a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ret = 'a'; 205a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer break; 206a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer case COFF::IMAGE_SYM_DEBUG: 207a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ret = 'n'; 208a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer break; 209a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer default: 210a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // Check section type. 211a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (Characteristics & COFF::IMAGE_SCN_CNT_CODE) 212a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ret = 't'; 213a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer else if ( Characteristics & COFF::IMAGE_SCN_MEM_READ 214a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer && ~Characteristics & COFF::IMAGE_SCN_MEM_WRITE) // Read only. 215a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ret = 'r'; 216a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer else if (Characteristics & COFF::IMAGE_SCN_CNT_INITIALIZED_DATA) 217a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ret = 'd'; 218a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer else if (Characteristics & COFF::IMAGE_SCN_CNT_UNINITIALIZED_DATA) 219a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ret = 'b'; 220a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer else if (Characteristics & COFF::IMAGE_SCN_LNK_INFO) 221a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ret = 'i'; 222a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 223a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // Check for section symbol. 224a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer else if ( symb->StorageClass == COFF::IMAGE_SYM_CLASS_STATIC 225a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer && symb->Value == 0) 226a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ret = 's'; 227a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer } 228a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 229a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (symb->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL) 230a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ret = ::toupper(ret); 231a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 232a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return ret; 233a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 234a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 235a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerbool COFFObjectFile::isSymbolInternal(DataRefImpl Symb) const { 236a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return false; 237a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 238a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 239a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. SpencerSectionRef COFFObjectFile::getSectionNext(DataRefImpl Sec) const { 2407acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer const coff_section *sec = reinterpret_cast<const coff_section*>(Sec.p); 241a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer sec += 1; 2427acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer Sec.p = reinterpret_cast<intptr_t>(sec); 2437acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer return SectionRef(Sec, this); 244a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 245a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 246a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. SpencerStringRef COFFObjectFile::getSectionName(DataRefImpl Sec) const { 2477acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer const coff_section *sec = reinterpret_cast<const coff_section*>(Sec.p); 248a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer StringRef name; 249a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (sec->Name[7] == 0) 250a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // Null terminated, let ::strlen figure out the length. 251a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer name = sec->Name; 252a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer else 253a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // Not null terminated, use all 8 bytes. 254a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer name = StringRef(sec->Name, 8); 255a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 256a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // Check for string table entry. First byte is '/'. 257a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (name[0] == '/') { 258a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer uint32_t Offset; 259a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer name.getAsInteger(10, Offset); 260a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return StringRef(getString(Offset)); 261a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer } 262a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 263a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // It's just a normal name. 264a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return name; 265a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 266a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 267a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spenceruint64_t COFFObjectFile::getSectionAddress(DataRefImpl Sec) const { 2687acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer const coff_section *sec = reinterpret_cast<const coff_section*>(Sec.p); 269a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return sec->VirtualAddress; 270a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 271a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 272a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spenceruint64_t COFFObjectFile::getSectionSize(DataRefImpl Sec) const { 2737acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer const coff_section *sec = reinterpret_cast<const coff_section*>(Sec.p); 274a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return sec->SizeOfRawData; 275a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 276a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 277a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. SpencerStringRef COFFObjectFile::getSectionContents(DataRefImpl Sec) const { 2787acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer const coff_section *sec = reinterpret_cast<const coff_section*>(Sec.p); 279a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return StringRef(reinterpret_cast<const char *>(base + sec->PointerToRawData), 280a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer sec->SizeOfRawData); 281a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 282a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 283a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerbool COFFObjectFile::isSectionText(DataRefImpl Sec) const { 2847acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer const coff_section *sec = reinterpret_cast<const coff_section*>(Sec.p); 285a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return sec->Characteristics & COFF::IMAGE_SCN_CNT_CODE; 286a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 287a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 288a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. SpencerCOFFObjectFile::COFFObjectFile(MemoryBuffer *Object) 289a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer : ObjectFile(Object) { 290a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer Header = reinterpret_cast<const coff_file_header *>(base); 291a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer SectionTable = 292a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer reinterpret_cast<const coff_section *>( base 293a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer + sizeof(coff_file_header) 294a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer + Header->SizeOfOptionalHeader); 295a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer SymbolTable = 296a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer reinterpret_cast<const coff_symbol *>(base + Header->PointerToSymbolTable); 297a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 298a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // Find string table. 299a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer StringTable = reinterpret_cast<const char *>(base) 300a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer + Header->PointerToSymbolTable 301a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer + Header->NumberOfSymbols * 18; 302a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 303a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 304a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. SpencerObjectFile::symbol_iterator COFFObjectFile::begin_symbols() const { 3057acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer DataRefImpl ret; 3067acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer ret.p = reinterpret_cast<intptr_t>(SymbolTable); 3077acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer return symbol_iterator(SymbolRef(ret, this)); 308a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 309a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 310a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. SpencerObjectFile::symbol_iterator COFFObjectFile::end_symbols() const { 311a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer // The symbol table ends where the string table begins. 3127acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer DataRefImpl ret; 3137acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer ret.p = reinterpret_cast<intptr_t>(StringTable); 3147acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer return symbol_iterator(SymbolRef(ret, this)); 315a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 316a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 317a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. SpencerObjectFile::section_iterator COFFObjectFile::begin_sections() const { 3187acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer DataRefImpl ret; 3197acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer ret.p = reinterpret_cast<intptr_t>(SectionTable); 3207acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer return section_iterator(SectionRef(ret, this)); 321a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 322a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 323a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. SpencerObjectFile::section_iterator COFFObjectFile::end_sections() const { 3247acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer DataRefImpl ret; 3257acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer ret.p = reinterpret_cast<intptr_t>(SectionTable + Header->NumberOfSections); 3267acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer return section_iterator(SectionRef(ret, this)); 327a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 328a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 329a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spenceruint8_t COFFObjectFile::getBytesInAddress() const { 3307acdb4d237181976b04e72f6a6c329c3b2604440Michael J. Spencer return getArch() == Triple::x86_64 ? 8 : 4; 331a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 332a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 333a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. SpencerStringRef COFFObjectFile::getFileFormatName() const { 334a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer switch(Header->Machine) { 335a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer case COFF::IMAGE_FILE_MACHINE_I386: 336a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return "COFF-i386"; 337a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer case COFF::IMAGE_FILE_MACHINE_AMD64: 338a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return "COFF-x86-64"; 339a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer default: 340a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return "COFF-<unknown arch>"; 341a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer } 342a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 343a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 344a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerunsigned COFFObjectFile::getArch() const { 345a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer switch(Header->Machine) { 346a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer case COFF::IMAGE_FILE_MACHINE_I386: 347a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return Triple::x86; 348a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer case COFF::IMAGE_FILE_MACHINE_AMD64: 349a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return Triple::x86_64; 350a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer default: 351a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return Triple::UnknownArch; 352a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer } 353a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 354a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 355a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerconst coff_section *COFFObjectFile::getSection(std::size_t index) const { 356a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (index > 0 && index <= Header->NumberOfSections) 357a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return SectionTable + (index - 1); 358a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return 0; 359a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 360a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 361a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencerconst char *COFFObjectFile::getString(std::size_t offset) const { 362a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer const ulittle32_t *StringTableSize = 363a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer reinterpret_cast<const ulittle32_t *>(StringTable); 364a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer if (offset < *StringTableSize) 365a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return StringTable + offset; 366a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return 0; 367a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} 368a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 369a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencernamespace llvm { 370a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 371a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer ObjectFile *ObjectFile::createCOFFObjectFile(MemoryBuffer *Object) { 372a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer return new COFFObjectFile(Object); 373a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer } 374a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer 375a1ef8ef66075e28e020e5d2f408e0a9bae9eb9d3Michael J. Spencer} // end namespace llvm 376