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