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()); } }