1 //===-- llvm-mc.cpp - Machine Code Hacking Driver ---------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This utility is a simple driver that allows command line hacking on machine 10 // code. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "Disassembler.h" 15 #include "llvm/MC/MCAsmBackend.h" 16 #include "llvm/MC/MCAsmInfo.h" 17 #include "llvm/MC/MCCodeEmitter.h" 18 #include "llvm/MC/MCContext.h" 19 #include "llvm/MC/MCInstPrinter.h" 20 #include "llvm/MC/MCInstrInfo.h" 21 #include "llvm/MC/MCObjectFileInfo.h" 22 #include "llvm/MC/MCObjectWriter.h" 23 #include "llvm/MC/MCParser/AsmLexer.h" 24 #include "llvm/MC/MCParser/MCTargetAsmParser.h" 25 #include "llvm/MC/MCRegisterInfo.h" 26 #include "llvm/MC/MCStreamer.h" 27 #include "llvm/MC/MCSubtargetInfo.h" 28 #include "llvm/MC/MCTargetOptionsCommandFlags.h" 29 #include "llvm/MC/TargetRegistry.h" 30 #include "llvm/Support/CommandLine.h" 31 #include "llvm/Support/Compression.h" 32 #include "llvm/Support/FileUtilities.h" 33 #include "llvm/Support/FormattedStream.h" 34 #include "llvm/Support/InitLLVM.h" 35 #include "llvm/Support/MemoryBuffer.h" 36 #include "llvm/Support/SourceMgr.h" 37 #include "llvm/Support/TargetSelect.h" 38 #include "llvm/Support/ToolOutputFile.h" 39 #include "llvm/Support/WithColor.h" 40 #include "llvm/TargetParser/Host.h" 41 42 using namespace llvm; 43 44 static mc::RegisterMCTargetOptionsFlags MOF; 45 46 static cl::OptionCategory MCCategory("MC Options"); 47 48 static cl::opt<std::string> InputFilename(cl::Positional, 49 cl::desc("<input file>"), 50 cl::init("-"), cl::cat(MCCategory)); 51 52 static cl::list<std::string> 53 DisassemblerOptions("M", cl::desc("Disassembler options"), 54 cl::cat(MCCategory)); 55 56 static cl::opt<std::string> OutputFilename("o", cl::desc("Output filename"), 57 cl::value_desc("filename"), 58 cl::init("-"), cl::cat(MCCategory)); 59 60 static cl::opt<std::string> SplitDwarfFile("split-dwarf-file", 61 cl::desc("DWO output filename"), 62 cl::value_desc("filename"), 63 cl::cat(MCCategory)); 64 65 static cl::opt<bool> ShowEncoding("show-encoding", 66 cl::desc("Show instruction encodings"), 67 cl::cat(MCCategory)); 68 69 static cl::opt<DebugCompressionType> CompressDebugSections( 70 "compress-debug-sections", cl::ValueOptional, 71 cl::init(DebugCompressionType::None), 72 cl::desc("Choose DWARF debug sections compression:"), 73 cl::values(clEnumValN(DebugCompressionType::None, "none", "No compression"), 74 clEnumValN(DebugCompressionType::Zlib, "zlib", "Use zlib"), 75 clEnumValN(DebugCompressionType::Zstd, "zstd", "Use zstd")), 76 cl::cat(MCCategory)); 77 78 static cl::opt<bool> 79 ShowInst("show-inst", cl::desc("Show internal instruction representation"), 80 cl::cat(MCCategory)); 81 82 static cl::opt<bool> 83 ShowInstOperands("show-inst-operands", 84 cl::desc("Show instructions operands as parsed"), 85 cl::cat(MCCategory)); 86 87 static cl::opt<unsigned> 88 OutputAsmVariant("output-asm-variant", 89 cl::desc("Syntax variant to use for output printing"), 90 cl::cat(MCCategory)); 91 92 static cl::opt<bool> 93 PrintImmHex("print-imm-hex", cl::init(false), 94 cl::desc("Prefer hex format for immediate values"), 95 cl::cat(MCCategory)); 96 97 static cl::list<std::string> 98 DefineSymbol("defsym", 99 cl::desc("Defines a symbol to be an integer constant"), 100 cl::cat(MCCategory)); 101 102 static cl::opt<bool> 103 PreserveComments("preserve-comments", 104 cl::desc("Preserve Comments in outputted assembly"), 105 cl::cat(MCCategory)); 106 107 enum OutputFileType { 108 OFT_Null, 109 OFT_AssemblyFile, 110 OFT_ObjectFile 111 }; 112 static cl::opt<OutputFileType> 113 FileType("filetype", cl::init(OFT_AssemblyFile), 114 cl::desc("Choose an output file type:"), 115 cl::values(clEnumValN(OFT_AssemblyFile, "asm", 116 "Emit an assembly ('.s') file"), 117 clEnumValN(OFT_Null, "null", 118 "Don't emit anything (for timing purposes)"), 119 clEnumValN(OFT_ObjectFile, "obj", 120 "Emit a native object ('.o') file")), 121 cl::cat(MCCategory)); 122 123 static cl::list<std::string> IncludeDirs("I", 124 cl::desc("Directory of include files"), 125 cl::value_desc("directory"), 126 cl::Prefix, cl::cat(MCCategory)); 127 128 static cl::opt<std::string> 129 ArchName("arch", 130 cl::desc("Target arch to assemble for, " 131 "see -version for available targets"), 132 cl::cat(MCCategory)); 133 134 static cl::opt<std::string> 135 TripleName("triple", 136 cl::desc("Target triple to assemble for, " 137 "see -version for available targets"), 138 cl::cat(MCCategory)); 139 140 static cl::opt<std::string> 141 MCPU("mcpu", 142 cl::desc("Target a specific cpu type (-mcpu=help for details)"), 143 cl::value_desc("cpu-name"), cl::init(""), cl::cat(MCCategory)); 144 145 static cl::list<std::string> 146 MAttrs("mattr", cl::CommaSeparated, 147 cl::desc("Target specific attributes (-mattr=help for details)"), 148 cl::value_desc("a1,+a2,-a3,..."), cl::cat(MCCategory)); 149 150 static cl::opt<bool> PIC("position-independent", 151 cl::desc("Position independent"), cl::init(false), 152 cl::cat(MCCategory)); 153 154 static cl::opt<bool> 155 LargeCodeModel("large-code-model", 156 cl::desc("Create cfi directives that assume the code might " 157 "be more than 2gb away"), 158 cl::cat(MCCategory)); 159 160 static cl::opt<bool> 161 NoInitialTextSection("n", 162 cl::desc("Don't assume assembly file starts " 163 "in the text section"), 164 cl::cat(MCCategory)); 165 166 static cl::opt<bool> 167 GenDwarfForAssembly("g", 168 cl::desc("Generate dwarf debugging info for assembly " 169 "source files"), 170 cl::cat(MCCategory)); 171 172 static cl::opt<std::string> 173 DebugCompilationDir("fdebug-compilation-dir", 174 cl::desc("Specifies the debug info's compilation dir"), 175 cl::cat(MCCategory)); 176 177 static cl::list<std::string> DebugPrefixMap( 178 "fdebug-prefix-map", cl::desc("Map file source paths in debug info"), 179 cl::value_desc("= separated key-value pairs"), cl::cat(MCCategory)); 180 181 static cl::opt<std::string> MainFileName( 182 "main-file-name", 183 cl::desc("Specifies the name we should consider the input file"), 184 cl::cat(MCCategory)); 185 186 static cl::opt<bool> SaveTempLabels("save-temp-labels", 187 cl::desc("Don't discard temporary labels"), 188 cl::cat(MCCategory)); 189 190 static cl::opt<bool> LexMasmIntegers( 191 "masm-integers", 192 cl::desc("Enable binary and hex masm integers (0b110 and 0ABCh)"), 193 cl::cat(MCCategory)); 194 195 static cl::opt<bool> LexMasmHexFloats( 196 "masm-hexfloats", 197 cl::desc("Enable MASM-style hex float initializers (3F800000r)"), 198 cl::cat(MCCategory)); 199 200 static cl::opt<bool> LexMotorolaIntegers( 201 "motorola-integers", 202 cl::desc("Enable binary and hex Motorola integers (%110 and $ABC)"), 203 cl::cat(MCCategory)); 204 205 static cl::opt<bool> NoExecStack("no-exec-stack", 206 cl::desc("File doesn't need an exec stack"), 207 cl::cat(MCCategory)); 208 209 enum ActionType { 210 AC_AsLex, 211 AC_Assemble, 212 AC_Disassemble, 213 AC_MDisassemble, 214 AC_CDisassemble, 215 }; 216 217 static cl::opt<ActionType> Action( 218 cl::desc("Action to perform:"), cl::init(AC_Assemble), 219 cl::values(clEnumValN(AC_AsLex, "as-lex", "Lex tokens from a .s file"), 220 clEnumValN(AC_Assemble, "assemble", 221 "Assemble a .s file (default)"), 222 clEnumValN(AC_Disassemble, "disassemble", 223 "Disassemble strings of hex bytes"), 224 clEnumValN(AC_MDisassemble, "mdis", 225 "Marked up disassembly of strings of hex bytes"), 226 clEnumValN(AC_CDisassemble, "cdis", 227 "Colored disassembly of strings of hex bytes")), 228 cl::cat(MCCategory)); 229 230 static const Target *GetTarget(const char *ProgName) { 231 // Figure out the target triple. 232 if (TripleName.empty()) 233 TripleName = sys::getDefaultTargetTriple(); 234 Triple TheTriple(Triple::normalize(TripleName)); 235 236 // Get the target specific parser. 237 std::string Error; 238 const Target *TheTarget = TargetRegistry::lookupTarget(ArchName, TheTriple, 239 Error); 240 if (!TheTarget) { 241 WithColor::error(errs(), ProgName) << Error; 242 return nullptr; 243 } 244 245 // Update the triple name and return the found target. 246 TripleName = TheTriple.getTriple(); 247 return TheTarget; 248 } 249 250 static std::unique_ptr<ToolOutputFile> GetOutputStream(StringRef Path, 251 sys::fs::OpenFlags Flags) { 252 std::error_code EC; 253 auto Out = std::make_unique<ToolOutputFile>(Path, EC, Flags); 254 if (EC) { 255 WithColor::error() << EC.message() << '\n'; 256 return nullptr; 257 } 258 259 return Out; 260 } 261 262 static std::string DwarfDebugFlags; 263 static void setDwarfDebugFlags(int argc, char **argv) { 264 if (!getenv("RC_DEBUG_OPTIONS")) 265 return; 266 for (int i = 0; i < argc; i++) { 267 DwarfDebugFlags += argv[i]; 268 if (i + 1 < argc) 269 DwarfDebugFlags += " "; 270 } 271 } 272 273 static std::string DwarfDebugProducer; 274 static void setDwarfDebugProducer() { 275 if(!getenv("DEBUG_PRODUCER")) 276 return; 277 DwarfDebugProducer += getenv("DEBUG_PRODUCER"); 278 } 279 280 static int AsLexInput(SourceMgr &SrcMgr, MCAsmInfo &MAI, 281 raw_ostream &OS) { 282 283 AsmLexer Lexer(MAI); 284 Lexer.setBuffer(SrcMgr.getMemoryBuffer(SrcMgr.getMainFileID())->getBuffer()); 285 286 bool Error = false; 287 while (Lexer.Lex().isNot(AsmToken::Eof)) { 288 Lexer.getTok().dump(OS); 289 OS << "\n"; 290 if (Lexer.getTok().getKind() == AsmToken::Error) 291 Error = true; 292 } 293 294 return Error; 295 } 296 297 static int fillCommandLineSymbols(MCAsmParser &Parser) { 298 for (auto &I: DefineSymbol) { 299 auto Pair = StringRef(I).split('='); 300 auto Sym = Pair.first; 301 auto Val = Pair.second; 302 303 if (Sym.empty() || Val.empty()) { 304 WithColor::error() << "defsym must be of the form: sym=value: " << I 305 << "\n"; 306 return 1; 307 } 308 int64_t Value; 309 if (Val.getAsInteger(0, Value)) { 310 WithColor::error() << "value is not an integer: " << Val << "\n"; 311 return 1; 312 } 313 Parser.getContext().setSymbolValue(Parser.getStreamer(), Sym, Value); 314 } 315 return 0; 316 } 317 318 static int AssembleInput(const char *ProgName, const Target *TheTarget, 319 SourceMgr &SrcMgr, MCContext &Ctx, MCStreamer &Str, 320 MCAsmInfo &MAI, MCSubtargetInfo &STI, 321 MCInstrInfo &MCII, MCTargetOptions const &MCOptions) { 322 std::unique_ptr<MCAsmParser> Parser( 323 createMCAsmParser(SrcMgr, Ctx, Str, MAI)); 324 std::unique_ptr<MCTargetAsmParser> TAP( 325 TheTarget->createMCAsmParser(STI, *Parser, MCII, MCOptions)); 326 327 if (!TAP) { 328 WithColor::error(errs(), ProgName) 329 << "this target does not support assembly parsing.\n"; 330 return 1; 331 } 332 333 int SymbolResult = fillCommandLineSymbols(*Parser); 334 if(SymbolResult) 335 return SymbolResult; 336 Parser->setShowParsedOperands(ShowInstOperands); 337 Parser->setTargetParser(*TAP); 338 Parser->getLexer().setLexMasmIntegers(LexMasmIntegers); 339 Parser->getLexer().setLexMasmHexFloats(LexMasmHexFloats); 340 Parser->getLexer().setLexMotorolaIntegers(LexMotorolaIntegers); 341 342 int Res = Parser->Run(NoInitialTextSection); 343 344 return Res; 345 } 346 347 int main(int argc, char **argv) { 348 InitLLVM X(argc, argv); 349 350 // Initialize targets and assembly printers/parsers. 351 llvm::InitializeAllTargetInfos(); 352 llvm::InitializeAllTargetMCs(); 353 llvm::InitializeAllAsmParsers(); 354 llvm::InitializeAllDisassemblers(); 355 356 // Register the target printer for --version. 357 cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion); 358 359 cl::HideUnrelatedOptions({&MCCategory, &getColorCategory()}); 360 cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n"); 361 MCTargetOptions MCOptions = mc::InitMCTargetOptionsFromFlags(); 362 MCOptions.CompressDebugSections = CompressDebugSections.getValue(); 363 364 setDwarfDebugFlags(argc, argv); 365 setDwarfDebugProducer(); 366 367 const char *ProgName = argv[0]; 368 const Target *TheTarget = GetTarget(ProgName); 369 if (!TheTarget) 370 return 1; 371 // Now that GetTarget() has (potentially) replaced TripleName, it's safe to 372 // construct the Triple object. 373 Triple TheTriple(TripleName); 374 375 ErrorOr<std::unique_ptr<MemoryBuffer>> BufferPtr = 376 MemoryBuffer::getFileOrSTDIN(InputFilename, /*IsText=*/true); 377 if (std::error_code EC = BufferPtr.getError()) { 378 WithColor::error(errs(), ProgName) 379 << InputFilename << ": " << EC.message() << '\n'; 380 return 1; 381 } 382 MemoryBuffer *Buffer = BufferPtr->get(); 383 384 SourceMgr SrcMgr; 385 386 // Tell SrcMgr about this buffer, which is what the parser will pick up. 387 SrcMgr.AddNewSourceBuffer(std::move(*BufferPtr), SMLoc()); 388 389 // Record the location of the include directories so that the lexer can find 390 // it later. 391 SrcMgr.setIncludeDirs(IncludeDirs); 392 393 std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName)); 394 assert(MRI && "Unable to create target register info!"); 395 396 std::unique_ptr<MCAsmInfo> MAI( 397 TheTarget->createMCAsmInfo(*MRI, TripleName, MCOptions)); 398 assert(MAI && "Unable to create target asm info!"); 399 400 if (CompressDebugSections != DebugCompressionType::None) { 401 if (const char *Reason = compression::getReasonIfUnsupported( 402 compression::formatFor(CompressDebugSections))) { 403 WithColor::error(errs(), ProgName) 404 << "--compress-debug-sections: " << Reason; 405 return 1; 406 } 407 } 408 MAI->setPreserveAsmComments(PreserveComments); 409 410 // Package up features to be passed to target/subtarget 411 std::string FeaturesStr; 412 if (MAttrs.size()) { 413 SubtargetFeatures Features; 414 for (unsigned i = 0; i != MAttrs.size(); ++i) 415 Features.AddFeature(MAttrs[i]); 416 FeaturesStr = Features.getString(); 417 } 418 419 std::unique_ptr<MCSubtargetInfo> STI( 420 TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr)); 421 assert(STI && "Unable to create subtarget info!"); 422 423 // FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and 424 // MCObjectFileInfo needs a MCContext reference in order to initialize itself. 425 MCContext Ctx(TheTriple, MAI.get(), MRI.get(), STI.get(), &SrcMgr, 426 &MCOptions); 427 std::unique_ptr<MCObjectFileInfo> MOFI( 428 TheTarget->createMCObjectFileInfo(Ctx, PIC, LargeCodeModel)); 429 Ctx.setObjectFileInfo(MOFI.get()); 430 431 if (SaveTempLabels) 432 Ctx.setAllowTemporaryLabels(false); 433 434 Ctx.setGenDwarfForAssembly(GenDwarfForAssembly); 435 // Default to 4 for dwarf version. 436 unsigned DwarfVersion = MCOptions.DwarfVersion ? MCOptions.DwarfVersion : 4; 437 if (DwarfVersion < 2 || DwarfVersion > 5) { 438 errs() << ProgName << ": Dwarf version " << DwarfVersion 439 << " is not supported." << '\n'; 440 return 1; 441 } 442 Ctx.setDwarfVersion(DwarfVersion); 443 if (MCOptions.Dwarf64) { 444 // The 64-bit DWARF format was introduced in DWARFv3. 445 if (DwarfVersion < 3) { 446 errs() << ProgName 447 << ": the 64-bit DWARF format is not supported for DWARF versions " 448 "prior to 3\n"; 449 return 1; 450 } 451 // 32-bit targets don't support DWARF64, which requires 64-bit relocations. 452 if (MAI->getCodePointerSize() < 8) { 453 errs() << ProgName 454 << ": the 64-bit DWARF format is only supported for 64-bit " 455 "targets\n"; 456 return 1; 457 } 458 // If needsDwarfSectionOffsetDirective is true, we would eventually call 459 // MCStreamer::emitSymbolValue() with IsSectionRelative = true, but that 460 // is supported only for 4-byte long references. 461 if (MAI->needsDwarfSectionOffsetDirective()) { 462 errs() << ProgName << ": the 64-bit DWARF format is not supported for " 463 << TheTriple.normalize() << "\n"; 464 return 1; 465 } 466 Ctx.setDwarfFormat(dwarf::DWARF64); 467 } 468 if (!DwarfDebugFlags.empty()) 469 Ctx.setDwarfDebugFlags(StringRef(DwarfDebugFlags)); 470 if (!DwarfDebugProducer.empty()) 471 Ctx.setDwarfDebugProducer(StringRef(DwarfDebugProducer)); 472 if (!DebugCompilationDir.empty()) 473 Ctx.setCompilationDir(DebugCompilationDir); 474 else { 475 // If no compilation dir is set, try to use the current directory. 476 SmallString<128> CWD; 477 if (!sys::fs::current_path(CWD)) 478 Ctx.setCompilationDir(CWD); 479 } 480 for (const auto &Arg : DebugPrefixMap) { 481 const auto &KV = StringRef(Arg).split('='); 482 Ctx.addDebugPrefixMapEntry(std::string(KV.first), std::string(KV.second)); 483 } 484 if (!MainFileName.empty()) 485 Ctx.setMainFileName(MainFileName); 486 if (GenDwarfForAssembly) 487 Ctx.setGenDwarfRootFile(InputFilename, Buffer->getBuffer()); 488 489 sys::fs::OpenFlags Flags = (FileType == OFT_AssemblyFile) 490 ? sys::fs::OF_TextWithCRLF 491 : sys::fs::OF_None; 492 std::unique_ptr<ToolOutputFile> Out = GetOutputStream(OutputFilename, Flags); 493 if (!Out) 494 return 1; 495 496 std::unique_ptr<ToolOutputFile> DwoOut; 497 if (!SplitDwarfFile.empty()) { 498 if (FileType != OFT_ObjectFile) { 499 WithColor::error() << "dwo output only supported with object files\n"; 500 return 1; 501 } 502 DwoOut = GetOutputStream(SplitDwarfFile, sys::fs::OF_None); 503 if (!DwoOut) 504 return 1; 505 } 506 507 std::unique_ptr<buffer_ostream> BOS; 508 raw_pwrite_stream *OS = &Out->os(); 509 std::unique_ptr<MCStreamer> Str; 510 511 std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo()); 512 assert(MCII && "Unable to create instruction info!"); 513 514 MCInstPrinter *IP = nullptr; 515 if (FileType == OFT_AssemblyFile) { 516 IP = TheTarget->createMCInstPrinter(Triple(TripleName), OutputAsmVariant, 517 *MAI, *MCII, *MRI); 518 519 if (!IP) { 520 WithColor::error() 521 << "unable to create instruction printer for target triple '" 522 << TheTriple.normalize() << "' with assembly variant " 523 << OutputAsmVariant << ".\n"; 524 return 1; 525 } 526 527 for (StringRef Opt : DisassemblerOptions) 528 if (!IP->applyTargetSpecificCLOption(Opt)) { 529 WithColor::error() << "invalid disassembler option '" << Opt << "'\n"; 530 return 1; 531 } 532 533 // Set the display preference for hex vs. decimal immediates. 534 IP->setPrintImmHex(PrintImmHex); 535 536 // Set up the AsmStreamer. 537 std::unique_ptr<MCCodeEmitter> CE; 538 if (ShowEncoding) 539 CE.reset(TheTarget->createMCCodeEmitter(*MCII, Ctx)); 540 541 std::unique_ptr<MCAsmBackend> MAB( 542 TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions)); 543 auto FOut = std::make_unique<formatted_raw_ostream>(*OS); 544 Str.reset( 545 TheTarget->createAsmStreamer(Ctx, std::move(FOut), /*asmverbose*/ true, 546 /*useDwarfDirectory*/ true, IP, 547 std::move(CE), std::move(MAB), ShowInst)); 548 549 } else if (FileType == OFT_Null) { 550 Str.reset(TheTarget->createNullStreamer(Ctx)); 551 } else { 552 assert(FileType == OFT_ObjectFile && "Invalid file type!"); 553 554 if (!Out->os().supportsSeeking()) { 555 BOS = std::make_unique<buffer_ostream>(Out->os()); 556 OS = BOS.get(); 557 } 558 559 MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, Ctx); 560 MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*STI, *MRI, MCOptions); 561 Str.reset(TheTarget->createMCObjectStreamer( 562 TheTriple, Ctx, std::unique_ptr<MCAsmBackend>(MAB), 563 DwoOut ? MAB->createDwoObjectWriter(*OS, DwoOut->os()) 564 : MAB->createObjectWriter(*OS), 565 std::unique_ptr<MCCodeEmitter>(CE), *STI, MCOptions.MCRelaxAll, 566 MCOptions.MCIncrementalLinkerCompatible, 567 /*DWARFMustBeAtTheEnd*/ false)); 568 if (NoExecStack) 569 Str->initSections(true, *STI); 570 } 571 572 // Use Assembler information for parsing. 573 Str->setUseAssemblerInfoForParsing(true); 574 575 int Res = 1; 576 bool disassemble = false; 577 switch (Action) { 578 case AC_AsLex: 579 Res = AsLexInput(SrcMgr, *MAI, Out->os()); 580 break; 581 case AC_Assemble: 582 Res = AssembleInput(ProgName, TheTarget, SrcMgr, Ctx, *Str, *MAI, *STI, 583 *MCII, MCOptions); 584 break; 585 case AC_MDisassemble: 586 IP->setUseMarkup(true); 587 disassemble = true; 588 break; 589 case AC_CDisassemble: 590 IP->setUseColor(true); 591 disassemble = true; 592 break; 593 case AC_Disassemble: 594 disassemble = true; 595 break; 596 } 597 if (disassemble) 598 Res = Disassembler::disassemble(*TheTarget, TripleName, *STI, *Str, *Buffer, 599 SrcMgr, Ctx, MCOptions); 600 601 // Keep output if no errors. 602 if (Res == 0) { 603 Out->keep(); 604 if (DwoOut) 605 DwoOut->keep(); 606 } 607 return Res; 608 } 609