bool Decoder::dumpPackedEntry(const object::COFFObjectFile &COFF,
const SectionRef Section, uint64_t Offset,
unsigned Index, const RuntimeFunction &RF) {
assert((RF.Flag() == RuntimeFunctionFlag::RFF_Packed ||
RF.Flag() == RuntimeFunctionFlag::RFF_PackedFragment) &&
"unpacked entry cannot be treated as a packed entry");
ErrorOr<SymbolRef> Function = getRelocatedSymbol(COFF, Section, Offset);
if (!Function)
Function = getSymbol(COFF, RF.BeginAddress, /*FunctionOnly=*/true);
StringRef FunctionName;
uint64_t FunctionAddress;
if (Function) {
Function->getName(FunctionName);
Function->getAddress(FunctionAddress);
} else {
const pe32_header *PEHeader;
if (COFF.getPE32Header(PEHeader))
return false;
FunctionAddress = PEHeader->ImageBase + RF.BeginAddress;
}
SW.printString("Function", formatSymbol(FunctionName, FunctionAddress));
SW.printBoolean("Fragment",
RF.Flag() == RuntimeFunctionFlag::RFF_PackedFragment);
SW.printNumber("FunctionLength", RF.FunctionLength());
SW.startLine() << "ReturnType: " << RF.Ret() << '\n';
SW.printBoolean("HomedParameters", RF.H());
SW.startLine() << "SavedRegisters: ";
printRegisters(SavedRegisterMask(RF));
OS << '\n';
SW.printNumber("StackAdjustment", StackAdjustment(RF) << 2);
return true;
}
bool Decoder::dumpUnpackedEntry(const COFFObjectFile &COFF,
const SectionRef Section, uint64_t Offset,
unsigned Index, const RuntimeFunction &RF) {
assert(RF.Flag() == RuntimeFunctionFlag::RFF_Unpacked &&
"packed entry cannot be treated as an unpacked entry");
ErrorOr<SymbolRef> Function = getRelocatedSymbol(COFF, Section, Offset);
if (!Function)
Function = getSymbol(COFF, RF.BeginAddress, /*FunctionOnly=*/true);
ErrorOr<SymbolRef> XDataRecord = getRelocatedSymbol(COFF, Section, Offset + 4);
if (!XDataRecord)
XDataRecord = getSymbol(COFF, RF.ExceptionInformationRVA());
if (!RF.BeginAddress && !Function)
return false;
if (!RF.UnwindData && !XDataRecord)
return false;
StringRef FunctionName;
uint64_t FunctionAddress;
if (Function) {
Function->getName(FunctionName);
Function->getAddress(FunctionAddress);
} else {
const pe32_header *PEHeader;
if (COFF.getPE32Header(PEHeader))
return false;
FunctionAddress = PEHeader->ImageBase + RF.BeginAddress;
}
SW.printString("Function", formatSymbol(FunctionName, FunctionAddress));
if (XDataRecord) {
StringRef Name;
uint64_t Address;
XDataRecord->getName(Name);
XDataRecord->getAddress(Address);
SW.printString("ExceptionRecord", formatSymbol(Name, Address));
section_iterator SI = COFF.section_end();
if (XDataRecord->getSection(SI))
return false;
return dumpXDataRecord(COFF, *SI, FunctionAddress, Address);
} else {
const pe32_header *PEHeader;
if (COFF.getPE32Header(PEHeader))
return false;
uint64_t Address = PEHeader->ImageBase + RF.ExceptionInformationRVA();
SW.printString("ExceptionRecord", formatSymbol("", Address));
ErrorOr<SectionRef> Section =
getSectionContaining(COFF, RF.ExceptionInformationRVA());
if (!Section)
return false;
return dumpXDataRecord(COFF, *Section, FunctionAddress,
RF.ExceptionInformationRVA());
}
}