#include "llvm/Support/Compiler.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/Dwarf.h"
using namespace llvm;
void DWARFDebugLoc::dump(raw_ostream &OS) const {
- for (LocationLists::const_iterator I = Locations.begin(), E = Locations.end(); I != E; ++I) {
- OS << format("0x%8.8x: ", I->Offset);
+ for (const LocationList &L : Locations) {
+ OS << format("0x%8.8x: ", L.Offset);
const unsigned Indent = 12;
- for (SmallVectorImpl<Entry>::const_iterator I2 = I->Entries.begin(), E2 = I->Entries.end(); I2 != E2; ++I2) {
- if (I2 != I->Entries.begin())
+ for (const Entry &E : L.Entries) {
+ if (&E != L.Entries.begin())
OS.indent(Indent);
- OS << "Beginning address offset: " << format("0x%016" PRIx64, I2->Begin)
+ OS << "Beginning address offset: " << format("0x%016" PRIx64, E.Begin)
<< '\n';
OS.indent(Indent) << " Ending address offset: "
- << format("0x%016" PRIx64, I2->End) << '\n';
+ << format("0x%016" PRIx64, E.End) << '\n';
OS.indent(Indent) << " Location description: ";
- for (SmallVectorImpl<unsigned char>::const_iterator I3 = I2->Loc.begin(), E3 = I2->Loc.end(); I3 != E3; ++I3) {
- OS << format("%2.2x ", *I3);
+ for (unsigned char Loc : E.Loc) {
+ OS << format("%2.2x ", Loc);
}
OS << "\n\n";
}
if (data.isValidOffset(Offset))
llvm::errs() << "error: failed to consume entire .debug_loc section\n";
}
+
+void DWARFDebugLocDWO::parse(DataExtractor data) {
+ uint32_t Offset = 0;
+ while (data.isValidOffset(Offset)) {
+ Locations.resize(Locations.size() + 1);
+ LocationList &Loc = Locations.back();
+ Loc.Offset = Offset;
+ dwarf::LocationListEntry Kind;
+ while ((Kind = static_cast<dwarf::LocationListEntry>(
+ data.getU8(&Offset))) != dwarf::DW_LLE_end_of_list_entry) {
+
+ if (Kind != dwarf::DW_LLE_start_length_entry) {
+ llvm::errs() << "error: dumping support for LLE of kind " << (int)Kind
+ << " not implemented\n";
+ return;
+ }
+
+ Entry E;
+
+ E.Start = data.getULEB128(&Offset);
+ E.Length = data.getU32(&Offset);
+
+ unsigned Bytes = data.getU16(&Offset);
+ // A single location description describing the location of the object...
+ StringRef str = data.getData().substr(Offset, Bytes);
+ Offset += Bytes;
+ E.Loc.resize(str.size());
+ std::copy(str.begin(), str.end(), E.Loc.begin());
+
+ Loc.Entries.push_back(std::move(E));
+ }
+ }
+}
+
+void DWARFDebugLocDWO::dump(raw_ostream &OS) const {
+ for (const LocationList &L : Locations) {
+ OS << format("0x%8.8x: ", L.Offset);
+ const unsigned Indent = 12;
+ for (const Entry &E : L.Entries) {
+ if (&E != L.Entries.begin())
+ OS.indent(Indent);
+ OS << "Beginning address index: " << E.Start << '\n';
+ OS.indent(Indent) << " Length: " << E.Length << '\n';
+ OS.indent(Indent) << " Location description: ";
+ for (unsigned char Loc : E.Loc)
+ OS << format("%2.2x ", Loc);
+ OS << "\n\n";
+ }
+ }
+}
+