static bool dumpObjectFile(ObjectFile &Obj, DWARFContext &DICtx, Twine Filename,
raw_ostream &OS) {
logAllUnhandledErrors(DICtx.loadRegisterInfo(Obj), errs(),
Filename.str() + ": ");
// The UUID dump already contains all the same information.
if (!(DumpType & DIDT_UUID) || DumpType == DIDT_All)
OS << Filename << ":\tfile format " << Obj.getFileFormatName() << '\n';
// Handle the --lookup option.
if (Lookup)
return lookup(DICtx, Lookup, OS);
// Handle the --name option.
if (!Name.empty()) {
StringSet<> Names;
for (auto name : Name)
Names.insert((IgnoreCase && !UseRegex) ? StringRef(name).lower() : name);
filterByName(Names, DICtx.compile_units(), OS);
filterByName(Names, DICtx.dwo_compile_units(), OS);
return true;
}
// Handle the --find option and lower it to --debug-info=<offset>.
if (!Find.empty()) {
DumpOffsets[DIDT_ID_DebugInfo] = [&]() -> llvm::Optional<uint64_t> {
for (auto Name : Find) {
auto find = [&](const DWARFAcceleratorTable &Accel)
-> llvm::Optional<uint64_t> {
for (auto Entry : Accel.equal_range(Name))
for (auto Atom : Entry)
if (auto Offset = Atom.getAsSectionOffset())
return Offset;
return None;
};
if (auto Offset = find(DICtx.getAppleNames()))
return DumpOffsets[DIDT_ID_DebugInfo] = *Offset;
if (auto Offset = find(DICtx.getAppleTypes()))
return DumpOffsets[DIDT_ID_DebugInfo] = *Offset;
if (auto Offset = find(DICtx.getAppleNamespaces()))
return DumpOffsets[DIDT_ID_DebugInfo] = *Offset;
}
return None;
}();
// Early exit if --find was specified but the current file doesn't have it.
if (!DumpOffsets[DIDT_ID_DebugInfo])
return true;
}
// Dump the complete DWARF structure.
DICtx.dump(OS, getDumpOpts(), DumpOffsets);
return true;
}
/// Print only DIEs that have a certain name.
static void filterByAccelName(ArrayRef<std::string> Names, DWARFContext &DICtx,
raw_ostream &OS) {
SmallVector<uint64_t, 4> Offsets;
for (const auto &Name : Names) {
getDIEOffset(DICtx.getAppleNames(), Name, Offsets);
getDIEOffset(DICtx.getAppleTypes(), Name, Offsets);
getDIEOffset(DICtx.getAppleNamespaces(), Name, Offsets);
getDIEOffset(DICtx.getDebugNames(), Name, Offsets);
}
llvm::sort(Offsets.begin(), Offsets.end());
Offsets.erase(std::unique(Offsets.begin(), Offsets.end()), Offsets.end());
for (uint64_t Off: Offsets) {
DWARFDie Die = DICtx.getDIEForOffset(Off);
Die.dump(OS, 0, getDumpOpts());
}
}
