| //===- llvm-cxxdump.cpp - Dump C++ data in an Object File -------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Dumps C++ data resident in object files and archives. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm-cxxdump.h" |
| #include "Error.h" |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/Object/Archive.h" |
| #include "llvm/Object/ObjectFile.h" |
| #include "llvm/Object/SymbolSize.h" |
| #include "llvm/Support/Debug.h" |
| #include "llvm/Support/Endian.h" |
| #include "llvm/Support/FileSystem.h" |
| #include "llvm/Support/InitLLVM.h" |
| #include "llvm/Support/TargetRegistry.h" |
| #include "llvm/Support/TargetSelect.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include <map> |
| #include <string> |
| #include <system_error> |
| |
| using namespace llvm; |
| using namespace llvm::object; |
| using namespace llvm::support; |
| |
| namespace opts { |
| cl::list<std::string> InputFilenames(cl::Positional, |
| cl::desc("<input object files>"), |
| cl::ZeroOrMore); |
| } // namespace opts |
| |
| namespace llvm { |
| |
| static void error(std::error_code EC) { |
| if (!EC) |
| return; |
| outs() << "\nError reading file: " << EC.message() << ".\n"; |
| outs().flush(); |
| exit(1); |
| } |
| |
| static void error(Error Err) { |
| if (Err) { |
| logAllUnhandledErrors(std::move(Err), outs(), "Error reading file: "); |
| outs().flush(); |
| exit(1); |
| } |
| } |
| |
| } // namespace llvm |
| |
| static void reportError(StringRef Input, StringRef Message) { |
| if (Input == "-") |
| Input = "<stdin>"; |
| errs() << Input << ": " << Message << "\n"; |
| errs().flush(); |
| exit(1); |
| } |
| |
| static void reportError(StringRef Input, std::error_code EC) { |
| reportError(Input, EC.message()); |
| } |
| |
| static std::map<SectionRef, SmallVector<SectionRef, 1>> SectionRelocMap; |
| |
| static void collectRelocatedSymbols(const ObjectFile *Obj, |
| const SectionRef &Sec, uint64_t SecAddress, |
| uint64_t SymAddress, uint64_t SymSize, |
| StringRef *I, StringRef *E) { |
| uint64_t SymOffset = SymAddress - SecAddress; |
| uint64_t SymEnd = SymOffset + SymSize; |
| for (const SectionRef &SR : SectionRelocMap[Sec]) { |
| for (const object::RelocationRef &Reloc : SR.relocations()) { |
| if (I == E) |
| break; |
| const object::symbol_iterator RelocSymI = Reloc.getSymbol(); |
| if (RelocSymI == Obj->symbol_end()) |
| continue; |
| Expected<StringRef> RelocSymName = RelocSymI->getName(); |
| error(errorToErrorCode(RelocSymName.takeError())); |
| uint64_t Offset = Reloc.getOffset(); |
| if (Offset >= SymOffset && Offset < SymEnd) { |
| *I = *RelocSymName; |
| ++I; |
| } |
| } |
| } |
| } |
| |
| static void collectRelocationOffsets( |
| const ObjectFile *Obj, const SectionRef &Sec, uint64_t SecAddress, |
| uint64_t SymAddress, uint64_t SymSize, StringRef SymName, |
| std::map<std::pair<StringRef, uint64_t>, StringRef> &Collection) { |
| uint64_t SymOffset = SymAddress - SecAddress; |
| uint64_t SymEnd = SymOffset + SymSize; |
| for (const SectionRef &SR : SectionRelocMap[Sec]) { |
| for (const object::RelocationRef &Reloc : SR.relocations()) { |
| const object::symbol_iterator RelocSymI = Reloc.getSymbol(); |
| if (RelocSymI == Obj->symbol_end()) |
| continue; |
| Expected<StringRef> RelocSymName = RelocSymI->getName(); |
| error(errorToErrorCode(RelocSymName.takeError())); |
| uint64_t Offset = Reloc.getOffset(); |
| if (Offset >= SymOffset && Offset < SymEnd) |
| Collection[std::make_pair(SymName, Offset - SymOffset)] = *RelocSymName; |
| } |
| } |
| } |
| |
| static void dumpCXXData(const ObjectFile *Obj) { |
| struct CompleteObjectLocator { |
| StringRef Symbols[2]; |
| ArrayRef<little32_t> Data; |
| }; |
| struct ClassHierarchyDescriptor { |
| StringRef Symbols[1]; |
| ArrayRef<little32_t> Data; |
| }; |
| struct BaseClassDescriptor { |
| StringRef Symbols[2]; |
| ArrayRef<little32_t> Data; |
| }; |
| struct TypeDescriptor { |
| StringRef Symbols[1]; |
| uint64_t AlwaysZero; |
| StringRef MangledName; |
| }; |
| struct ThrowInfo { |
| uint32_t Flags; |
| }; |
| struct CatchableTypeArray { |
| uint32_t NumEntries; |
| }; |
| struct CatchableType { |
| uint32_t Flags; |
| uint32_t NonVirtualBaseAdjustmentOffset; |
| int32_t VirtualBasePointerOffset; |
| uint32_t VirtualBaseAdjustmentOffset; |
| uint32_t Size; |
| StringRef Symbols[2]; |
| }; |
| std::map<std::pair<StringRef, uint64_t>, StringRef> VFTableEntries; |
| std::map<std::pair<StringRef, uint64_t>, StringRef> TIEntries; |
| std::map<std::pair<StringRef, uint64_t>, StringRef> CTAEntries; |
| std::map<StringRef, ArrayRef<little32_t>> VBTables; |
| std::map<StringRef, CompleteObjectLocator> COLs; |
| std::map<StringRef, ClassHierarchyDescriptor> CHDs; |
| std::map<std::pair<StringRef, uint64_t>, StringRef> BCAEntries; |
| std::map<StringRef, BaseClassDescriptor> BCDs; |
| std::map<StringRef, TypeDescriptor> TDs; |
| std::map<StringRef, ThrowInfo> TIs; |
| std::map<StringRef, CatchableTypeArray> CTAs; |
| std::map<StringRef, CatchableType> CTs; |
| |
| std::map<std::pair<StringRef, uint64_t>, StringRef> VTableSymEntries; |
| std::map<std::pair<StringRef, uint64_t>, int64_t> VTableDataEntries; |
| std::map<std::pair<StringRef, uint64_t>, StringRef> VTTEntries; |
| std::map<StringRef, StringRef> TINames; |
| |
| SectionRelocMap.clear(); |
| for (const SectionRef &Section : Obj->sections()) { |
| section_iterator Sec2 = Section.getRelocatedSection(); |
| if (Sec2 != Obj->section_end()) |
| SectionRelocMap[*Sec2].push_back(Section); |
| } |
| |
| uint8_t BytesInAddress = Obj->getBytesInAddress(); |
| |
| std::vector<std::pair<SymbolRef, uint64_t>> SymAddr = |
| object::computeSymbolSizes(*Obj); |
| |
| for (auto &P : SymAddr) { |
| object::SymbolRef Sym = P.first; |
| uint64_t SymSize = P.second; |
| Expected<StringRef> SymNameOrErr = Sym.getName(); |
| error(errorToErrorCode(SymNameOrErr.takeError())); |
| StringRef SymName = *SymNameOrErr; |
| Expected<object::section_iterator> SecIOrErr = Sym.getSection(); |
| error(errorToErrorCode(SecIOrErr.takeError())); |
| object::section_iterator SecI = *SecIOrErr; |
| // Skip external symbols. |
| if (SecI == Obj->section_end()) |
| continue; |
| const SectionRef &Sec = *SecI; |
| // Skip virtual or BSS sections. |
| if (Sec.isBSS() || Sec.isVirtual()) |
| continue; |
| StringRef SecContents; |
| error(Sec.getContents(SecContents)); |
| Expected<uint64_t> SymAddressOrErr = Sym.getAddress(); |
| error(errorToErrorCode(SymAddressOrErr.takeError())); |
| uint64_t SymAddress = *SymAddressOrErr; |
| uint64_t SecAddress = Sec.getAddress(); |
| uint64_t SecSize = Sec.getSize(); |
| uint64_t SymOffset = SymAddress - SecAddress; |
| StringRef SymContents = SecContents.substr(SymOffset, SymSize); |
| |
| // VFTables in the MS-ABI start with '??_7' and are contained within their |
| // own COMDAT section. We then determine the contents of the VFTable by |
| // looking at each relocation in the section. |
| if (SymName.startswith("??_7")) { |
| // Each relocation either names a virtual method or a thunk. We note the |
| // offset into the section and the symbol used for the relocation. |
| collectRelocationOffsets(Obj, Sec, SecAddress, SecAddress, SecSize, |
| SymName, VFTableEntries); |
| } |
| // VBTables in the MS-ABI start with '??_8' and are filled with 32-bit |
| // offsets of virtual bases. |
| else if (SymName.startswith("??_8")) { |
| ArrayRef<little32_t> VBTableData( |
| reinterpret_cast<const little32_t *>(SymContents.data()), |
| SymContents.size() / sizeof(little32_t)); |
| VBTables[SymName] = VBTableData; |
| } |
| // Complete object locators in the MS-ABI start with '??_R4' |
| else if (SymName.startswith("??_R4")) { |
| CompleteObjectLocator COL; |
| COL.Data = makeArrayRef( |
| reinterpret_cast<const little32_t *>(SymContents.data()), 3); |
| StringRef *I = std::begin(COL.Symbols), *E = std::end(COL.Symbols); |
| collectRelocatedSymbols(Obj, Sec, SecAddress, SymAddress, SymSize, I, E); |
| COLs[SymName] = COL; |
| } |
| // Class hierarchy descriptors in the MS-ABI start with '??_R3' |
| else if (SymName.startswith("??_R3")) { |
| ClassHierarchyDescriptor CHD; |
| CHD.Data = makeArrayRef( |
| reinterpret_cast<const little32_t *>(SymContents.data()), 3); |
| StringRef *I = std::begin(CHD.Symbols), *E = std::end(CHD.Symbols); |
| collectRelocatedSymbols(Obj, Sec, SecAddress, SymAddress, SymSize, I, E); |
| CHDs[SymName] = CHD; |
| } |
| // Class hierarchy descriptors in the MS-ABI start with '??_R2' |
| else if (SymName.startswith("??_R2")) { |
| // Each relocation names a base class descriptor. We note the offset into |
| // the section and the symbol used for the relocation. |
| collectRelocationOffsets(Obj, Sec, SecAddress, SymAddress, SymSize, |
| SymName, BCAEntries); |
| } |
| // Base class descriptors in the MS-ABI start with '??_R1' |
| else if (SymName.startswith("??_R1")) { |
| BaseClassDescriptor BCD; |
| BCD.Data = makeArrayRef( |
| reinterpret_cast<const little32_t *>(SymContents.data()) + 1, 5); |
| StringRef *I = std::begin(BCD.Symbols), *E = std::end(BCD.Symbols); |
| collectRelocatedSymbols(Obj, Sec, SecAddress, SymAddress, SymSize, I, E); |
| BCDs[SymName] = BCD; |
| } |
| // Type descriptors in the MS-ABI start with '??_R0' |
| else if (SymName.startswith("??_R0")) { |
| const char *DataPtr = SymContents.drop_front(BytesInAddress).data(); |
| TypeDescriptor TD; |
| if (BytesInAddress == 8) |
| TD.AlwaysZero = *reinterpret_cast<const little64_t *>(DataPtr); |
| else |
| TD.AlwaysZero = *reinterpret_cast<const little32_t *>(DataPtr); |
| TD.MangledName = SymContents.drop_front(BytesInAddress * 2); |
| StringRef *I = std::begin(TD.Symbols), *E = std::end(TD.Symbols); |
| collectRelocatedSymbols(Obj, Sec, SecAddress, SymAddress, SymSize, I, E); |
| TDs[SymName] = TD; |
| } |
| // Throw descriptors in the MS-ABI start with '_TI' |
| else if (SymName.startswith("_TI") || SymName.startswith("__TI")) { |
| ThrowInfo TI; |
| TI.Flags = *reinterpret_cast<const little32_t *>(SymContents.data()); |
| collectRelocationOffsets(Obj, Sec, SecAddress, SymAddress, SymSize, |
| SymName, TIEntries); |
| TIs[SymName] = TI; |
| } |
| // Catchable type arrays in the MS-ABI start with _CTA or __CTA. |
| else if (SymName.startswith("_CTA") || SymName.startswith("__CTA")) { |
| CatchableTypeArray CTA; |
| CTA.NumEntries = |
| *reinterpret_cast<const little32_t *>(SymContents.data()); |
| collectRelocationOffsets(Obj, Sec, SecAddress, SymAddress, SymSize, |
| SymName, CTAEntries); |
| CTAs[SymName] = CTA; |
| } |
| // Catchable types in the MS-ABI start with _CT or __CT. |
| else if (SymName.startswith("_CT") || SymName.startswith("__CT")) { |
| const little32_t *DataPtr = |
| reinterpret_cast<const little32_t *>(SymContents.data()); |
| CatchableType CT; |
| CT.Flags = DataPtr[0]; |
| CT.NonVirtualBaseAdjustmentOffset = DataPtr[2]; |
| CT.VirtualBasePointerOffset = DataPtr[3]; |
| CT.VirtualBaseAdjustmentOffset = DataPtr[4]; |
| CT.Size = DataPtr[5]; |
| StringRef *I = std::begin(CT.Symbols), *E = std::end(CT.Symbols); |
| collectRelocatedSymbols(Obj, Sec, SecAddress, SymAddress, SymSize, I, E); |
| CTs[SymName] = CT; |
| } |
| // Construction vtables in the Itanium ABI start with '_ZTT' or '__ZTT'. |
| else if (SymName.startswith("_ZTT") || SymName.startswith("__ZTT")) { |
| collectRelocationOffsets(Obj, Sec, SecAddress, SymAddress, SymSize, |
| SymName, VTTEntries); |
| } |
| // Typeinfo names in the Itanium ABI start with '_ZTS' or '__ZTS'. |
| else if (SymName.startswith("_ZTS") || SymName.startswith("__ZTS")) { |
| TINames[SymName] = SymContents.slice(0, SymContents.find('\0')); |
| } |
| // Vtables in the Itanium ABI start with '_ZTV' or '__ZTV'. |
| else if (SymName.startswith("_ZTV") || SymName.startswith("__ZTV")) { |
| collectRelocationOffsets(Obj, Sec, SecAddress, SymAddress, SymSize, |
| SymName, VTableSymEntries); |
| for (uint64_t SymOffI = 0; SymOffI < SymSize; SymOffI += BytesInAddress) { |
| auto Key = std::make_pair(SymName, SymOffI); |
| if (VTableSymEntries.count(Key)) |
| continue; |
| const char *DataPtr = |
| SymContents.substr(SymOffI, BytesInAddress).data(); |
| int64_t VData; |
| if (BytesInAddress == 8) |
| VData = *reinterpret_cast<const little64_t *>(DataPtr); |
| else |
| VData = *reinterpret_cast<const little32_t *>(DataPtr); |
| VTableDataEntries[Key] = VData; |
| } |
| } |
| // Typeinfo structures in the Itanium ABI start with '_ZTI' or '__ZTI'. |
| else if (SymName.startswith("_ZTI") || SymName.startswith("__ZTI")) { |
| // FIXME: Do something with these! |
| } |
| } |
| for (const auto &VFTableEntry : VFTableEntries) { |
| StringRef VFTableName = VFTableEntry.first.first; |
| uint64_t Offset = VFTableEntry.first.second; |
| StringRef SymName = VFTableEntry.second; |
| outs() << VFTableName << '[' << Offset << "]: " << SymName << '\n'; |
| } |
| for (const auto &VBTable : VBTables) { |
| StringRef VBTableName = VBTable.first; |
| uint32_t Idx = 0; |
| for (little32_t Offset : VBTable.second) { |
| outs() << VBTableName << '[' << Idx << "]: " << Offset << '\n'; |
| Idx += sizeof(Offset); |
| } |
| } |
| for (const auto &COLPair : COLs) { |
| StringRef COLName = COLPair.first; |
| const CompleteObjectLocator &COL = COLPair.second; |
| outs() << COLName << "[IsImageRelative]: " << COL.Data[0] << '\n'; |
| outs() << COLName << "[OffsetToTop]: " << COL.Data[1] << '\n'; |
| outs() << COLName << "[VFPtrOffset]: " << COL.Data[2] << '\n'; |
| outs() << COLName << "[TypeDescriptor]: " << COL.Symbols[0] << '\n'; |
| outs() << COLName << "[ClassHierarchyDescriptor]: " << COL.Symbols[1] |
| << '\n'; |
| } |
| for (const auto &CHDPair : CHDs) { |
| StringRef CHDName = CHDPair.first; |
| const ClassHierarchyDescriptor &CHD = CHDPair.second; |
| outs() << CHDName << "[AlwaysZero]: " << CHD.Data[0] << '\n'; |
| outs() << CHDName << "[Flags]: " << CHD.Data[1] << '\n'; |
| outs() << CHDName << "[NumClasses]: " << CHD.Data[2] << '\n'; |
| outs() << CHDName << "[BaseClassArray]: " << CHD.Symbols[0] << '\n'; |
| } |
| for (const auto &BCAEntry : BCAEntries) { |
| StringRef BCAName = BCAEntry.first.first; |
| uint64_t Offset = BCAEntry.first.second; |
| StringRef SymName = BCAEntry.second; |
| outs() << BCAName << '[' << Offset << "]: " << SymName << '\n'; |
| } |
| for (const auto &BCDPair : BCDs) { |
| StringRef BCDName = BCDPair.first; |
| const BaseClassDescriptor &BCD = BCDPair.second; |
| outs() << BCDName << "[TypeDescriptor]: " << BCD.Symbols[0] << '\n'; |
| outs() << BCDName << "[NumBases]: " << BCD.Data[0] << '\n'; |
| outs() << BCDName << "[OffsetInVBase]: " << BCD.Data[1] << '\n'; |
| outs() << BCDName << "[VBPtrOffset]: " << BCD.Data[2] << '\n'; |
| outs() << BCDName << "[OffsetInVBTable]: " << BCD.Data[3] << '\n'; |
| outs() << BCDName << "[Flags]: " << BCD.Data[4] << '\n'; |
| outs() << BCDName << "[ClassHierarchyDescriptor]: " << BCD.Symbols[1] |
| << '\n'; |
| } |
| for (const auto &TDPair : TDs) { |
| StringRef TDName = TDPair.first; |
| const TypeDescriptor &TD = TDPair.second; |
| outs() << TDName << "[VFPtr]: " << TD.Symbols[0] << '\n'; |
| outs() << TDName << "[AlwaysZero]: " << TD.AlwaysZero << '\n'; |
| outs() << TDName << "[MangledName]: "; |
| outs().write_escaped(TD.MangledName.rtrim(StringRef("\0", 1)), |
| /*UseHexEscapes=*/true) |
| << '\n'; |
| } |
| for (const auto &TIPair : TIs) { |
| StringRef TIName = TIPair.first; |
| const ThrowInfo &TI = TIPair.second; |
| auto dumpThrowInfoFlag = [&](const char *Name, uint32_t Flag) { |
| outs() << TIName << "[Flags." << Name |
| << "]: " << (TI.Flags & Flag ? "true" : "false") << '\n'; |
| }; |
| auto dumpThrowInfoSymbol = [&](const char *Name, int Offset) { |
| outs() << TIName << '[' << Name << "]: "; |
| auto Entry = TIEntries.find(std::make_pair(TIName, Offset)); |
| outs() << (Entry == TIEntries.end() ? "null" : Entry->second) << '\n'; |
| }; |
| outs() << TIName << "[Flags]: " << TI.Flags << '\n'; |
| dumpThrowInfoFlag("Const", 1); |
| dumpThrowInfoFlag("Volatile", 2); |
| dumpThrowInfoSymbol("CleanupFn", 4); |
| dumpThrowInfoSymbol("ForwardCompat", 8); |
| dumpThrowInfoSymbol("CatchableTypeArray", 12); |
| } |
| for (const auto &CTAPair : CTAs) { |
| StringRef CTAName = CTAPair.first; |
| const CatchableTypeArray &CTA = CTAPair.second; |
| |
| outs() << CTAName << "[NumEntries]: " << CTA.NumEntries << '\n'; |
| |
| unsigned Idx = 0; |
| for (auto I = CTAEntries.lower_bound(std::make_pair(CTAName, 0)), |
| E = CTAEntries.upper_bound(std::make_pair(CTAName, UINT64_MAX)); |
| I != E; ++I) |
| outs() << CTAName << '[' << Idx++ << "]: " << I->second << '\n'; |
| } |
| for (const auto &CTPair : CTs) { |
| StringRef CTName = CTPair.first; |
| const CatchableType &CT = CTPair.second; |
| auto dumpCatchableTypeFlag = [&](const char *Name, uint32_t Flag) { |
| outs() << CTName << "[Flags." << Name |
| << "]: " << (CT.Flags & Flag ? "true" : "false") << '\n'; |
| }; |
| outs() << CTName << "[Flags]: " << CT.Flags << '\n'; |
| dumpCatchableTypeFlag("ScalarType", 1); |
| dumpCatchableTypeFlag("VirtualInheritance", 4); |
| outs() << CTName << "[TypeDescriptor]: " << CT.Symbols[0] << '\n'; |
| outs() << CTName << "[NonVirtualBaseAdjustmentOffset]: " |
| << CT.NonVirtualBaseAdjustmentOffset << '\n'; |
| outs() << CTName |
| << "[VirtualBasePointerOffset]: " << CT.VirtualBasePointerOffset |
| << '\n'; |
| outs() << CTName << "[VirtualBaseAdjustmentOffset]: " |
| << CT.VirtualBaseAdjustmentOffset << '\n'; |
| outs() << CTName << "[Size]: " << CT.Size << '\n'; |
| outs() << CTName |
| << "[CopyCtor]: " << (CT.Symbols[1].empty() ? "null" : CT.Symbols[1]) |
| << '\n'; |
| } |
| for (const auto &VTTPair : VTTEntries) { |
| StringRef VTTName = VTTPair.first.first; |
| uint64_t VTTOffset = VTTPair.first.second; |
| StringRef VTTEntry = VTTPair.second; |
| outs() << VTTName << '[' << VTTOffset << "]: " << VTTEntry << '\n'; |
| } |
| for (const auto &TIPair : TINames) { |
| StringRef TIName = TIPair.first; |
| outs() << TIName << ": " << TIPair.second << '\n'; |
| } |
| auto VTableSymI = VTableSymEntries.begin(); |
| auto VTableSymE = VTableSymEntries.end(); |
| auto VTableDataI = VTableDataEntries.begin(); |
| auto VTableDataE = VTableDataEntries.end(); |
| for (;;) { |
| bool SymDone = VTableSymI == VTableSymE; |
| bool DataDone = VTableDataI == VTableDataE; |
| if (SymDone && DataDone) |
| break; |
| if (!SymDone && (DataDone || VTableSymI->first < VTableDataI->first)) { |
| StringRef VTableName = VTableSymI->first.first; |
| uint64_t Offset = VTableSymI->first.second; |
| StringRef VTableEntry = VTableSymI->second; |
| outs() << VTableName << '[' << Offset << "]: "; |
| outs() << VTableEntry; |
| outs() << '\n'; |
| ++VTableSymI; |
| continue; |
| } |
| if (!DataDone && (SymDone || VTableDataI->first < VTableSymI->first)) { |
| StringRef VTableName = VTableDataI->first.first; |
| uint64_t Offset = VTableDataI->first.second; |
| int64_t VTableEntry = VTableDataI->second; |
| outs() << VTableName << '[' << Offset << "]: "; |
| outs() << VTableEntry; |
| outs() << '\n'; |
| ++VTableDataI; |
| continue; |
| } |
| } |
| } |
| |
| static void dumpArchive(const Archive *Arc) { |
| Error Err = Error::success(); |
| for (auto &ArcC : Arc->children(Err)) { |
| Expected<std::unique_ptr<Binary>> ChildOrErr = ArcC.getAsBinary(); |
| if (!ChildOrErr) { |
| // Ignore non-object files. |
| if (auto E = isNotObjectErrorInvalidFileType(ChildOrErr.takeError())) { |
| std::string Buf; |
| raw_string_ostream OS(Buf); |
| logAllUnhandledErrors(std::move(E), OS, ""); |
| OS.flush(); |
| reportError(Arc->getFileName(), Buf); |
| } |
| consumeError(ChildOrErr.takeError()); |
| continue; |
| } |
| |
| if (ObjectFile *Obj = dyn_cast<ObjectFile>(&*ChildOrErr.get())) |
| dumpCXXData(Obj); |
| else |
| reportError(Arc->getFileName(), cxxdump_error::unrecognized_file_format); |
| } |
| error(std::move(Err)); |
| } |
| |
| static void dumpInput(StringRef File) { |
| // Attempt to open the binary. |
| Expected<OwningBinary<Binary>> BinaryOrErr = createBinary(File); |
| if (!BinaryOrErr) { |
| auto EC = errorToErrorCode(BinaryOrErr.takeError()); |
| reportError(File, EC); |
| return; |
| } |
| Binary &Binary = *BinaryOrErr.get().getBinary(); |
| |
| if (Archive *Arc = dyn_cast<Archive>(&Binary)) |
| dumpArchive(Arc); |
| else if (ObjectFile *Obj = dyn_cast<ObjectFile>(&Binary)) |
| dumpCXXData(Obj); |
| else |
| reportError(File, cxxdump_error::unrecognized_file_format); |
| } |
| |
| int main(int argc, const char *argv[]) { |
| InitLLVM X(argc, argv); |
| |
| // Initialize targets. |
| llvm::InitializeAllTargetInfos(); |
| |
| // Register the target printer for --version. |
| cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion); |
| |
| cl::ParseCommandLineOptions(argc, argv, "LLVM C++ ABI Data Dumper\n"); |
| |
| // Default to stdin if no filename is specified. |
| if (opts::InputFilenames.size() == 0) |
| opts::InputFilenames.push_back("-"); |
| |
| llvm::for_each(opts::InputFilenames, dumpInput); |
| |
| return EXIT_SUCCESS; |
| } |
