/// Create a new DebugMapObject. This function resets the state of the
/// parser that was referring to the last object file and sets
/// everything up to add symbols to the new one.
void MachODebugMapParser::switchToNewDebugMapObject(StringRef Filename,
sys::TimeValue Timestamp) {
resetParserState();
SmallString<80> Path(PathPrefix);
sys::path::append(Path, Filename);
auto MachOOrError =
CurrentObjectHolder.GetFilesAs<MachOObjectFile>(Path, Timestamp);
if (auto Error = MachOOrError.getError()) {
Warning(Twine("cannot open debug object \"") + Path.str() + "\": " +
Error.message() + "\n");
return;
}
auto ErrOrAchObj =
CurrentObjectHolder.GetAs<MachOObjectFile>(Result->getTriple());
if (auto Err = ErrOrAchObj.getError()) {
return Warning(Twine("cannot open debug object \"") + Path.str() + "\": " +
Err.message() + "\n");
}
CurrentDebugMapObject = &Result->addDebugMapObject(Path, Timestamp);
loadCurrentObjectFileSymbols(*ErrOrAchObj);
}
/// Create a new DebugMapObject. This function resets the state of the
/// parser that was referring to the last object file and sets
/// everything up to add symbols to the new one.
void MachODebugMapParser::switchToNewDebugMapObject(StringRef Filename) {
resetParserState();
SmallString<80> Path(PathPrefix);
sys::path::append(Path, Filename);
auto MachOOrError = CurrentObjectHolder.GetFileAs<MachOObjectFile>(Path);
if (auto Error = MachOOrError.getError()) {
Warning(Twine("cannot open debug object \"") + Path.str() + "\": " +
Error.message() + "\n");
return;
}
loadCurrentObjectFileSymbols();
CurrentDebugMapObject = &Result->addDebugMapObject(Path);
}
std::unique_ptr<DebugMap>
MachODebugMapParser::parseOneBinary(const MachOObjectFile &MainBinary,
StringRef BinaryPath) {
loadMainBinarySymbols(MainBinary);
Result = make_unique<DebugMap>(MainBinary.getArchTriple(), BinaryPath);
MainBinaryStrings = MainBinary.getStringTableData();
for (const SymbolRef &Symbol : MainBinary.symbols()) {
const DataRefImpl &DRI = Symbol.getRawDataRefImpl();
if (MainBinary.is64Bit())
handleStabDebugMapEntry(MainBinary.getSymbol64TableEntry(DRI));
else
handleStabDebugMapEntry(MainBinary.getSymbolTableEntry(DRI));
}
resetParserState();
return std::move(Result);
}
void MachODebugMapParser::dumpOneBinaryStab(const MachOObjectFile &MainBinary,
StringRef BinaryPath) {
loadMainBinarySymbols(MainBinary);
MainBinaryStrings = MainBinary.getStringTableData();
raw_ostream &OS(llvm::outs());
dumpSymTabHeader(OS, getArchName(MainBinary));
uint64_t Idx = 0;
for (const SymbolRef &Symbol : MainBinary.symbols()) {
const DataRefImpl &DRI = Symbol.getRawDataRefImpl();
if (MainBinary.is64Bit())
dumpSymTabEntry(OS, Idx, MainBinary.getSymbol64TableEntry(DRI));
else
dumpSymTabEntry(OS, Idx, MainBinary.getSymbolTableEntry(DRI));
Idx++;
}
OS << "\n\n";
resetParserState();
}
/// This main parsing routine tries to open the main binary and if
/// successful iterates over the STAB entries. The real parsing is
/// done in handleStabSymbolTableEntry.
ErrorOr<std::unique_ptr<DebugMap>> MachODebugMapParser::parse() {
auto MainBinOrError = MainBinaryHolder.GetFileAs<MachOObjectFile>(BinaryPath);
if (auto Error = MainBinOrError.getError())
return Error;
const MachOObjectFile &MainBinary = *MainBinOrError;
loadMainBinarySymbols();
Result = make_unique<DebugMap>(getTriple(MainBinary));
MainBinaryStrings = MainBinary.getStringTableData();
for (const SymbolRef &Symbol : MainBinary.symbols()) {
const DataRefImpl &DRI = Symbol.getRawDataRefImpl();
if (MainBinary.is64Bit())
handleStabDebugMapEntry(MainBinary.getSymbol64TableEntry(DRI));
else
handleStabDebugMapEntry(MainBinary.getSymbolTableEntry(DRI));
}
resetParserState();
return std::move(Result);
}
