static void DumpInput(const StringRef &Filename) { OwningPtr<MemoryBuffer> Buff; if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) { errs() << Filename << ": " << ec.message() << "\n"; return; } OwningPtr<ObjectFile> Obj(ObjectFile::createObjectFile(Buff.take())); StringRef DebugInfoSection; StringRef DebugAbbrevSection; StringRef DebugLineSection; StringRef DebugArangesSection; StringRef DebugStringSection; error_code ec; for (ObjectFile::section_iterator i = Obj->begin_sections(), e = Obj->end_sections(); i != e; i.increment(ec)) { StringRef name; i->getName(name); StringRef data; i->getContents(data); if (name.startswith("__DWARF,")) name = name.substr(8); // Skip "__DWARF," prefix. name = name.substr(name.find_first_not_of("._")); // Skip . and _ prefixes. if (name == "debug_info") DebugInfoSection = data; else if (name == "debug_abbrev") DebugAbbrevSection = data; else if (name == "debug_line") DebugLineSection = data; else if (name == "debug_aranges") DebugArangesSection = data; else if (name == "debug_str") DebugStringSection = data; } OwningPtr<DIContext> dictx(DIContext::getDWARFContext(/*FIXME*/true, DebugInfoSection, DebugAbbrevSection, DebugArangesSection, DebugLineSection, DebugStringSection)); if (Address == -1ULL) { outs() << Filename << ":\tfile format " << Obj->getFileFormatName() << "\n\n"; // Dump the complete DWARF structure. dictx->dump(outs()); } else { // Print line info for the specified address. DILineInfo dli = dictx->getLineInfoForAddress(Address); outs() << (dli.getFileName() ? dli.getFileName() : "<unknown>") << ':' << dli.getLine() << ':' << dli.getColumn() << '\n'; } }
static void DisassembleInput(const StringRef &Filename) { OwningPtr<MemoryBuffer> Buff; if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, Buff)) { errs() << ToolName << ": " << Filename << ": " << ec.message() << "\n"; return; } OwningPtr<ObjectFile> Obj(ObjectFile::createObjectFile(Buff.take())); const Target *TheTarget = GetTarget(Obj.get()); if (!TheTarget) { // GetTarget prints out stuff. return; } outs() << '\n'; outs() << Filename << ":\tfile format " << Obj->getFileFormatName() << "\n\n\n"; for (ObjectFile::section_iterator i = Obj->begin_sections(), e = Obj->end_sections(); i != e; ++i) { if (!i->isText()) continue; outs() << "Disassembly of section " << i->getName() << ":\n\n"; // Set up disassembler. OwningPtr<const MCAsmInfo> AsmInfo(TheTarget->createAsmInfo(TripleName)); if (!AsmInfo) { errs() << "error: no assembly info for target " << TripleName << "\n"; return; } OwningPtr<const MCDisassembler> DisAsm(TheTarget->createMCDisassembler()); if (!DisAsm) { errs() << "error: no disassembler for target " << TripleName << "\n"; return; } int AsmPrinterVariant = AsmInfo->getAssemblerDialect(); OwningPtr<MCInstPrinter> IP(TheTarget->createMCInstPrinter( AsmPrinterVariant, *AsmInfo)); if (!IP) { errs() << "error: no instruction printer for target " << TripleName << '\n'; return; } StringRef Bytes = i->getContents(); StringRefMemoryObject memoryObject(Bytes); uint64_t Size; uint64_t Index; for (Index = 0; Index < Bytes.size(); Index += Size) { MCInst Inst; # ifndef NDEBUG raw_ostream &DebugOut = DebugFlag ? dbgs() : nulls(); # else raw_ostream &DebugOut = nulls(); # endif if (DisAsm->getInstruction(Inst, Size, memoryObject, Index, DebugOut)) { outs() << format("%8x:\t", i->getAddress() + Index); DumpBytes(StringRef(Bytes.data() + Index, Size)); IP->printInst(&Inst, outs()); outs() << "\n"; } else { errs() << ToolName << ": warning: invalid instruction encoding\n"; if (Size == 0) Size = 1; // skip illegible bytes } } } }