DWARFDebugFrame::DWARFDebugFrame() {
}
-
DWARFDebugFrame::~DWARFDebugFrame() {
- for (const auto &Entry : Entries) {
- delete Entry;
- }
}
-
static void LLVM_ATTRIBUTE_UNUSED dumpDataAux(DataExtractor Data,
uint32_t Offset, int Length) {
errs() << "DUMP: ";
Id = Data.getUnsigned(&Offset, IsDWARF64 ? 8 : 4);
bool IsCIE = ((IsDWARF64 && Id == DW64_CIE_ID) || Id == DW_CIE_ID);
- FrameEntry *Entry = nullptr;
if (IsCIE) {
// Note: this is specifically DWARFv3 CIE header structure. It was
// changed in DWARFv4. We currently don't support reading DWARFv4
int64_t DataAlignmentFactor = Data.getSLEB128(&Offset);
uint64_t ReturnAddressRegister = Data.getULEB128(&Offset);
- Entry = new CIE(Data, StartOffset, Length, Version,
- StringRef(Augmentation), CodeAlignmentFactor,
- DataAlignmentFactor, ReturnAddressRegister);
+ Entries.emplace_back(new CIE(Data, StartOffset, Length, Version,
+ StringRef(Augmentation), CodeAlignmentFactor,
+ DataAlignmentFactor, ReturnAddressRegister));
} else {
// FDE
uint64_t CIEPointer = Id;
uint64_t InitialLocation = Data.getAddress(&Offset);
uint64_t AddressRange = Data.getAddress(&Offset);
- Entry = new FDE(Data, StartOffset, Length, CIEPointer,
- InitialLocation, AddressRange);
+ Entries.emplace_back(new FDE(Data, StartOffset, Length, CIEPointer,
+ InitialLocation, AddressRange));
}
- assert(Entry && "Expected Entry to be populated with CIE or FDE");
- Entry->parseInstructions(&Offset, EndStructureOffset);
+ Entries.back()->parseInstructions(&Offset, EndStructureOffset);
- if (Offset == EndStructureOffset) {
- // Entry instrucitons parsed successfully.
- Entries.push_back(Entry);
- } else {
+ if (Offset != EndStructureOffset) {
std::string Str;
raw_string_ostream OS(Str);
- OS << format("Parsing entry instructions at %lx failed",
- Entry->getOffset());
+ OS << format("Parsing entry instructions at %lx failed", StartOffset);
report_fatal_error(Str);
}
}