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At Jim Grosbach's request detemplate Object/MachO.h.

Browse Source 
We are still able to handle mixed endian objects by swapping one struct at a
time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179778 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2013-04-18 18:08:55 +00:00
parent 77327fd652
commit fd7aa38e30
11 changed files with 2053 additions and 1769 deletions
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43
tools/llvm-objdump/MachODump.cpp
View File

@ -53,7 +53,7 @@ static cl::opt<bool>
static cl::opt<std::string>
DSYMFile("dsym", cl::desc("Use .dSYM file for debug info"));
static const Target *GetTarget(const MachOObjectFileBase *MachOObj) {
static const Target *GetTarget(const MachOObjectFile *MachOObj) {
// Figure out the target triple.
if (TripleName.empty()) {
llvm::Triple TT("unknown-unknown-unknown");
@ -93,7 +93,7 @@ struct SymbolSorter {
// Print additional information about an address, if available.
static void DumpAddress(uint64_t Address, ArrayRef<SectionRef> Sections,
const MachOObjectFileBase *MachOObj, raw_ostream &OS) {
const MachOObjectFile *MachOObj, raw_ostream &OS) {
for (unsigned i = 0; i != Sections.size(); ++i) {
uint64_t SectAddr = 0, SectSize = 0;
Sections[i].getAddress(SectAddr);
@ -184,14 +184,12 @@ static void emitDOTFile(const char *FileName, const MCFunction &f,
Out << "}\n";
}
template<endianness E>
static void
getSectionsAndSymbols(const typename MachOObjectFileMiddle<E>::Header *Header,
const MachOObjectFileMiddle<E> *MachOObj,
getSectionsAndSymbols(const macho::Header Header,
MachOObjectFile *MachOObj,
std::vector<SectionRef> &Sections,
std::vector<SymbolRef> &Symbols,
SmallVectorImpl<uint64_t> &FoundFns) {
typedef MachOObjectFileMiddle<E> ObjType;
error_code ec;
for (symbol_iterator SI = MachOObj->begin_symbols(),
SE = MachOObj->end_symbols(); SI != SE; SI.increment(ec))
@ -205,23 +203,23 @@ getSectionsAndSymbols(const typename MachOObjectFileMiddle<E>::Header *Header,
Sections.push_back(*SI);
}
for (unsigned i = 0; i != Header->NumLoadCommands; ++i) {
const typename ObjType::LoadCommand *Command =
MachOObj->getLoadCommandInfo(i);
if (Command->Type == macho::LCT_FunctionStarts) {
MachOObjectFile::LoadCommandInfo Command =
MachOObj->getFirstLoadCommandInfo();
for (unsigned i = 0; i != Header.NumLoadCommands; ++i) {
if (Command.C.Type == macho::LCT_FunctionStarts) {
// We found a function starts segment, parse the addresses for later
// consumption.
const typename ObjType::LinkeditDataLoadCommand *LLC =
reinterpret_cast<const typename ObjType::LinkeditDataLoadCommand*>(Command);
macho::LinkeditDataLoadCommand LLC =
MachOObj->getLinkeditDataLoadCommand(Command);
MachOObj->ReadULEB128s(LLC->DataOffset, FoundFns);
MachOObj->ReadULEB128s(LLC.DataOffset, FoundFns);
}
Command = MachOObj->getNextLoadCommandInfo(Command);
}
}
template<endianness E>
static void DisassembleInputMachO2(StringRef Filename,
MachOObjectFileMiddle<E> *MachOOF);
MachOObjectFile *MachOOF);
void llvm::DisassembleInputMachO(StringRef Filename) {
OwningPtr<MemoryBuffer> Buff;
@ -231,20 +229,14 @@ void llvm::DisassembleInputMachO(StringRef Filename) {
return;
}
OwningPtr<MachOObjectFileBase> MachOOF(static_cast<MachOObjectFileBase*>(
OwningPtr<MachOObjectFile> MachOOF(static_cast<MachOObjectFile*>(
ObjectFile::createMachOObjectFile(Buff.take())));
if (MachOObjectFileLE *O = dyn_cast<MachOObjectFileLE>(MachOOF.get())) {
DisassembleInputMachO2(Filename, O);
return;
}
MachOObjectFileBE *O = cast<MachOObjectFileBE>(MachOOF.get());
DisassembleInputMachO2(Filename, O);
DisassembleInputMachO2(Filename, MachOOF.get());
}
template<endianness E>
static void DisassembleInputMachO2(StringRef Filename,
MachOObjectFileMiddle<E> *MachOOF) {
MachOObjectFile *MachOOF) {
const Target *TheTarget = GetTarget(MachOOF);
if (!TheTarget) {
// GetTarget prints out stuff.
@ -273,8 +265,7 @@ static void DisassembleInputMachO2(StringRef Filename,
outs() << '\n' << Filename << ":\n\n";
const typename MachOObjectFileMiddle<E>::Header *Header =
MachOOF->getHeader();
macho::Header Header = MachOOF->getHeader();
std::vector<SectionRef> Sections;
std::vector<SymbolRef> Symbols;