//
//===----------------------------------------------------------------------===//
-#include "llvm/MC/MCParser/AsmLexer.h"
-#include "llvm/MC/MCParser/MCAsmLexer.h"
+#include "Disassembler.h"
#include "llvm/MC/MCAsmBackend.h"
+#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCInstPrinter.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCObjectFileInfo.h"
+#include "llvm/MC/MCParser/AsmLexer.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCTargetAsmParser.h"
-#include "llvm/MC/SubtargetFeature.h"
-#include "llvm/Target/TargetRegistry.h"
-#include "llvm/Target/TargetSelect.h"
-#include "llvm/ADT/OwningPtr.h"
+#include "llvm/MC/MCTargetOptionsCommandFlags.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/Compression.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/Host.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
+#include "llvm/Support/Signals.h"
#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/ToolOutputFile.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/Signals.h"
-#include "llvm/Support/system_error.h"
-#include "Disassembler.h"
using namespace llvm;
static cl::opt<std::string>
static cl::opt<bool>
ShowEncoding("show-encoding", cl::desc("Show instruction encodings"));
+static cl::opt<bool>
+CompressDebugSections("compress-debug-sections",
+ cl::desc("Compress DWARF debug sections"));
+
static cl::opt<bool>
ShowInst("show-inst", cl::desc("Show internal instruction representation"));
cl::desc("Syntax variant to use for output printing"));
static cl::opt<bool>
-RelaxAll("mc-relax-all", cl::desc("Relax all fixups"));
+PrintImmHex("print-imm-hex", cl::init(false),
+ cl::desc("Prefer hex format for immediate values"));
-static cl::opt<bool>
-NoExecStack("mc-no-exec-stack", cl::desc("File doesn't need an exec stack"));
-
-static cl::opt<bool>
-EnableLogging("enable-api-logging", cl::desc("Enable MC API logging"));
+static cl::list<std::string>
+DefineSymbol("defsym", cl::desc("Defines a symbol to be an integer constant"));
enum OutputFileType {
OFT_Null,
cl::value_desc("cpu-name"),
cl::init(""));
+static cl::list<std::string>
+MAttrs("mattr",
+ cl::CommaSeparated,
+ cl::desc("Target specific attributes (-mattr=help for details)"),
+ cl::value_desc("a1,+a2,-a3,..."));
+
static cl::opt<Reloc::Model>
RelocModel("relocation-model",
cl::desc("Choose relocation model"),
"in the text section"));
static cl::opt<bool>
-SaveTempLabels("L", cl::desc("Don't discard temporary labels"));
+GenDwarfForAssembly("g", cl::desc("Generate dwarf debugging info for assembly "
+ "source files"));
+
+static cl::opt<std::string>
+DebugCompilationDir("fdebug-compilation-dir",
+ cl::desc("Specifies the debug info's compilation dir"));
+
+static cl::opt<std::string>
+MainFileName("main-file-name",
+ cl::desc("Specifies the name we should consider the input file"));
+
+static cl::opt<bool> SaveTempLabels("save-temp-labels",
+ cl::desc("Don't discard temporary labels"));
+
+static cl::opt<bool> NoExecStack("no-exec-stack",
+ cl::desc("File doesn't need an exec stack"));
enum ActionType {
AC_AsLex,
AC_Assemble,
AC_Disassemble,
- AC_EDisassemble
+ AC_MDisassemble,
};
static cl::opt<ActionType>
"Assemble a .s file (default)"),
clEnumValN(AC_Disassemble, "disassemble",
"Disassemble strings of hex bytes"),
- clEnumValN(AC_EDisassemble, "edis",
- "Enhanced disassembly of strings of hex bytes"),
+ clEnumValN(AC_MDisassemble, "mdis",
+ "Marked up disassembly of strings of hex bytes"),
clEnumValEnd));
static const Target *GetTarget(const char *ProgName) {
// Figure out the target triple.
if (TripleName.empty())
- TripleName = sys::getHostTriple();
+ TripleName = sys::getDefaultTargetTriple();
Triple TheTriple(Triple::normalize(TripleName));
- const Target *TheTarget = 0;
- if (!ArchName.empty()) {
- for (TargetRegistry::iterator it = TargetRegistry::begin(),
- ie = TargetRegistry::end(); it != ie; ++it) {
- if (ArchName == it->getName()) {
- TheTarget = &*it;
- break;
- }
- }
-
- if (!TheTarget) {
- errs() << ProgName << ": error: invalid target '" << ArchName << "'.\n";
- return 0;
- }
-
- // Adjust the triple to match (if known), otherwise stick with the
- // module/host triple.
- Triple::ArchType Type = Triple::getArchTypeForLLVMName(ArchName);
- if (Type != Triple::UnknownArch)
- TheTriple.setArch(Type);
- } else {
- // Get the target specific parser.
- std::string Error;
- TheTarget = TargetRegistry::lookupTarget(TheTriple.getTriple(), Error);
- if (TheTarget == 0) {
- errs() << ProgName << ": error: unable to get target for '"
- << TheTriple.getTriple()
- << "', see --version and --triple.\n";
- return 0;
- }
+ // Get the target specific parser.
+ std::string Error;
+ const Target *TheTarget = TargetRegistry::lookupTarget(ArchName, TheTriple,
+ Error);
+ if (!TheTarget) {
+ errs() << ProgName << ": " << Error;
+ return nullptr;
}
+ // Update the triple name and return the found target.
TripleName = TheTriple.getTriple();
return TheTarget;
}
-static tool_output_file *GetOutputStream() {
+static std::unique_ptr<tool_output_file> GetOutputStream() {
if (OutputFilename == "")
OutputFilename = "-";
- std::string Err;
- tool_output_file *Out = new tool_output_file(OutputFilename.c_str(), Err,
- raw_fd_ostream::F_Binary);
- if (!Err.empty()) {
- errs() << Err << '\n';
- delete Out;
- return 0;
+ std::error_code EC;
+ auto Out = llvm::make_unique<tool_output_file>(OutputFilename, EC,
+ sys::fs::F_None);
+ if (EC) {
+ errs() << EC.message() << '\n';
+ return nullptr;
}
return Out;
}
-static int AsLexInput(const char *ProgName) {
- OwningPtr<MemoryBuffer> BufferPtr;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, BufferPtr)) {
- errs() << ProgName << ": " << ec.message() << '\n';
- return 1;
+static std::string DwarfDebugFlags;
+static void setDwarfDebugFlags(int argc, char **argv) {
+ if (!getenv("RC_DEBUG_OPTIONS"))
+ return;
+ for (int i = 0; i < argc; i++) {
+ DwarfDebugFlags += argv[i];
+ if (i + 1 < argc)
+ DwarfDebugFlags += " ";
}
- MemoryBuffer *Buffer = BufferPtr.take();
-
- SourceMgr SrcMgr;
-
- // Tell SrcMgr about this buffer, which is what TGParser will pick up.
- SrcMgr.AddNewSourceBuffer(Buffer, SMLoc());
-
- // Record the location of the include directories so that the lexer can find
- // it later.
- SrcMgr.setIncludeDirs(IncludeDirs);
-
- const Target *TheTarget = GetTarget(ProgName);
- if (!TheTarget)
- return 1;
+}
- llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(TripleName));
- assert(MAI && "Unable to create target asm info!");
+static std::string DwarfDebugProducer;
+static void setDwarfDebugProducer(void) {
+ if(!getenv("DEBUG_PRODUCER"))
+ return;
+ DwarfDebugProducer += getenv("DEBUG_PRODUCER");
+}
- AsmLexer Lexer(*MAI);
- Lexer.setBuffer(SrcMgr.getMemoryBuffer(0));
+static int AsLexInput(SourceMgr &SrcMgr, MCAsmInfo &MAI,
+ raw_ostream &OS) {
- OwningPtr<tool_output_file> Out(GetOutputStream());
- if (!Out)
- return 1;
+ AsmLexer Lexer(MAI);
+ Lexer.setBuffer(SrcMgr.getMemoryBuffer(SrcMgr.getMainFileID())->getBuffer());
bool Error = false;
while (Lexer.Lex().isNot(AsmToken::Eof)) {
switch (Tok.getKind()) {
default:
- SrcMgr.PrintMessage(Lexer.getLoc(), "unknown token", "warning");
+ SrcMgr.PrintMessage(Lexer.getLoc(), SourceMgr::DK_Warning,
+ "unknown token");
Error = true;
break;
case AsmToken::Error:
Error = true; // error already printed.
break;
case AsmToken::Identifier:
- Out->os() << "identifier: " << Lexer.getTok().getString();
+ OS << "identifier: " << Lexer.getTok().getString();
break;
case AsmToken::Integer:
- Out->os() << "int: " << Lexer.getTok().getString();
+ OS << "int: " << Lexer.getTok().getString();
break;
case AsmToken::Real:
- Out->os() << "real: " << Lexer.getTok().getString();
- break;
- case AsmToken::Register:
- Out->os() << "register: " << Lexer.getTok().getRegVal();
+ OS << "real: " << Lexer.getTok().getString();
break;
case AsmToken::String:
- Out->os() << "string: " << Lexer.getTok().getString();
+ OS << "string: " << Lexer.getTok().getString();
break;
- case AsmToken::Amp: Out->os() << "Amp"; break;
- case AsmToken::AmpAmp: Out->os() << "AmpAmp"; break;
- case AsmToken::At: Out->os() << "At"; break;
- case AsmToken::Caret: Out->os() << "Caret"; break;
- case AsmToken::Colon: Out->os() << "Colon"; break;
- case AsmToken::Comma: Out->os() << "Comma"; break;
- case AsmToken::Dollar: Out->os() << "Dollar"; break;
- case AsmToken::Dot: Out->os() << "Dot"; break;
- case AsmToken::EndOfStatement: Out->os() << "EndOfStatement"; break;
- case AsmToken::Eof: Out->os() << "Eof"; break;
- case AsmToken::Equal: Out->os() << "Equal"; break;
- case AsmToken::EqualEqual: Out->os() << "EqualEqual"; break;
- case AsmToken::Exclaim: Out->os() << "Exclaim"; break;
- case AsmToken::ExclaimEqual: Out->os() << "ExclaimEqual"; break;
- case AsmToken::Greater: Out->os() << "Greater"; break;
- case AsmToken::GreaterEqual: Out->os() << "GreaterEqual"; break;
- case AsmToken::GreaterGreater: Out->os() << "GreaterGreater"; break;
- case AsmToken::Hash: Out->os() << "Hash"; break;
- case AsmToken::LBrac: Out->os() << "LBrac"; break;
- case AsmToken::LCurly: Out->os() << "LCurly"; break;
- case AsmToken::LParen: Out->os() << "LParen"; break;
- case AsmToken::Less: Out->os() << "Less"; break;
- case AsmToken::LessEqual: Out->os() << "LessEqual"; break;
- case AsmToken::LessGreater: Out->os() << "LessGreater"; break;
- case AsmToken::LessLess: Out->os() << "LessLess"; break;
- case AsmToken::Minus: Out->os() << "Minus"; break;
- case AsmToken::Percent: Out->os() << "Percent"; break;
- case AsmToken::Pipe: Out->os() << "Pipe"; break;
- case AsmToken::PipePipe: Out->os() << "PipePipe"; break;
- case AsmToken::Plus: Out->os() << "Plus"; break;
- case AsmToken::RBrac: Out->os() << "RBrac"; break;
- case AsmToken::RCurly: Out->os() << "RCurly"; break;
- case AsmToken::RParen: Out->os() << "RParen"; break;
- case AsmToken::Slash: Out->os() << "Slash"; break;
- case AsmToken::Star: Out->os() << "Star"; break;
- case AsmToken::Tilde: Out->os() << "Tilde"; break;
+ case AsmToken::Amp: OS << "Amp"; break;
+ case AsmToken::AmpAmp: OS << "AmpAmp"; break;
+ case AsmToken::At: OS << "At"; break;
+ case AsmToken::Caret: OS << "Caret"; break;
+ case AsmToken::Colon: OS << "Colon"; break;
+ case AsmToken::Comma: OS << "Comma"; break;
+ case AsmToken::Dollar: OS << "Dollar"; break;
+ case AsmToken::Dot: OS << "Dot"; break;
+ case AsmToken::EndOfStatement: OS << "EndOfStatement"; break;
+ case AsmToken::Eof: OS << "Eof"; break;
+ case AsmToken::Equal: OS << "Equal"; break;
+ case AsmToken::EqualEqual: OS << "EqualEqual"; break;
+ case AsmToken::Exclaim: OS << "Exclaim"; break;
+ case AsmToken::ExclaimEqual: OS << "ExclaimEqual"; break;
+ case AsmToken::Greater: OS << "Greater"; break;
+ case AsmToken::GreaterEqual: OS << "GreaterEqual"; break;
+ case AsmToken::GreaterGreater: OS << "GreaterGreater"; break;
+ case AsmToken::Hash: OS << "Hash"; break;
+ case AsmToken::LBrac: OS << "LBrac"; break;
+ case AsmToken::LCurly: OS << "LCurly"; break;
+ case AsmToken::LParen: OS << "LParen"; break;
+ case AsmToken::Less: OS << "Less"; break;
+ case AsmToken::LessEqual: OS << "LessEqual"; break;
+ case AsmToken::LessGreater: OS << "LessGreater"; break;
+ case AsmToken::LessLess: OS << "LessLess"; break;
+ case AsmToken::Minus: OS << "Minus"; break;
+ case AsmToken::Percent: OS << "Percent"; break;
+ case AsmToken::Pipe: OS << "Pipe"; break;
+ case AsmToken::PipePipe: OS << "PipePipe"; break;
+ case AsmToken::Plus: OS << "Plus"; break;
+ case AsmToken::RBrac: OS << "RBrac"; break;
+ case AsmToken::RCurly: OS << "RCurly"; break;
+ case AsmToken::RParen: OS << "RParen"; break;
+ case AsmToken::Slash: OS << "Slash"; break;
+ case AsmToken::Star: OS << "Star"; break;
+ case AsmToken::Tilde: OS << "Tilde"; break;
}
// Print the token string.
- Out->os() << " (\"";
- Out->os().write_escaped(Tok.getString());
- Out->os() << "\")\n";
+ OS << " (\"";
+ OS.write_escaped(Tok.getString());
+ OS << "\")\n";
}
- // Keep output if no errors.
- if (Error == 0) Out->keep();
-
return Error;
}
-static int AssembleInput(const char *ProgName) {
+static int fillCommandLineSymbols(MCAsmParser &Parser){
+ for(auto &I: DefineSymbol){
+ auto Pair = StringRef(I).split('=');
+ if(Pair.second.empty()){
+ errs() << "error: defsym must be of the form: sym=value: " << I;
+ return 1;
+ }
+ int64_t Value;
+ if(Pair.second.getAsInteger(0, Value)){
+ errs() << "error: Value is not an integer: " << Pair.second;
+ return 1;
+ }
+ auto &Context = Parser.getContext();
+ auto Symbol = Context.getOrCreateSymbol(Pair.first);
+ Parser.getStreamer().EmitAssignment(Symbol,
+ MCConstantExpr::create(Value, Context));
+ }
+ return 0;
+}
+
+static int AssembleInput(const char *ProgName, const Target *TheTarget,
+ SourceMgr &SrcMgr, MCContext &Ctx, MCStreamer &Str,
+ MCAsmInfo &MAI, MCSubtargetInfo &STI,
+ MCInstrInfo &MCII, MCTargetOptions &MCOptions) {
+ std::unique_ptr<MCAsmParser> Parser(
+ createMCAsmParser(SrcMgr, Ctx, Str, MAI));
+ std::unique_ptr<MCTargetAsmParser> TAP(
+ TheTarget->createMCAsmParser(STI, *Parser, MCII, MCOptions));
+
+ if (!TAP) {
+ errs() << ProgName
+ << ": error: this target does not support assembly parsing.\n";
+ return 1;
+ }
+
+ int SymbolResult = fillCommandLineSymbols(*Parser);
+ if(SymbolResult)
+ return SymbolResult;
+ Parser->setShowParsedOperands(ShowInstOperands);
+ Parser->setTargetParser(*TAP);
+
+ int Res = Parser->Run(NoInitialTextSection);
+
+ return Res;
+}
+
+int main(int argc, char **argv) {
+ // Print a stack trace if we signal out.
+ sys::PrintStackTraceOnErrorSignal();
+ PrettyStackTraceProgram X(argc, argv);
+ llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
+
+ // Initialize targets and assembly printers/parsers.
+ llvm::InitializeAllTargetInfos();
+ llvm::InitializeAllTargetMCs();
+ llvm::InitializeAllAsmParsers();
+ llvm::InitializeAllDisassemblers();
+
+ // Register the target printer for --version.
+ cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
+
+ cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
+ MCTargetOptions MCOptions = InitMCTargetOptionsFromFlags();
+ TripleName = Triple::normalize(TripleName);
+ setDwarfDebugFlags(argc, argv);
+
+ setDwarfDebugProducer();
+
+ const char *ProgName = argv[0];
const Target *TheTarget = GetTarget(ProgName);
if (!TheTarget)
return 1;
-
- OwningPtr<MemoryBuffer> BufferPtr;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, BufferPtr)) {
- errs() << ProgName << ": " << ec.message() << '\n';
+ // Now that GetTarget() has (potentially) replaced TripleName, it's safe to
+ // construct the Triple object.
+ Triple TheTriple(TripleName);
+
+ ErrorOr<std::unique_ptr<MemoryBuffer>> BufferPtr =
+ MemoryBuffer::getFileOrSTDIN(InputFilename);
+ if (std::error_code EC = BufferPtr.getError()) {
+ errs() << InputFilename << ": " << EC.message() << '\n';
return 1;
}
- MemoryBuffer *Buffer = BufferPtr.take();
+ MemoryBuffer *Buffer = BufferPtr->get();
SourceMgr SrcMgr;
// Tell SrcMgr about this buffer, which is what the parser will pick up.
- SrcMgr.AddNewSourceBuffer(Buffer, SMLoc());
+ SrcMgr.AddNewSourceBuffer(std::move(*BufferPtr), SMLoc());
// Record the location of the include directories so that the lexer can find
// it later.
SrcMgr.setIncludeDirs(IncludeDirs);
+ std::unique_ptr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName));
+ assert(MRI && "Unable to create target register info!");
- llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(TripleName));
+ std::unique_ptr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(*MRI, TripleName));
assert(MAI && "Unable to create target asm info!");
- llvm::OwningPtr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName));
- assert(MRI && "Unable to create target register info!");
-
- // Package up features to be passed to target/subtarget
- std::string FeaturesStr;
+ if (CompressDebugSections) {
+ if (!zlib::isAvailable()) {
+ errs() << ProgName
+ << ": build tools with zlib to enable -compress-debug-sections";
+ return 1;
+ }
+ MAI->setCompressDebugSections(true);
+ }
// FIXME: This is not pretty. MCContext has a ptr to MCObjectFileInfo and
// MCObjectFileInfo needs a MCContext reference in order to initialize itself.
- OwningPtr<MCObjectFileInfo> MOFI(new MCObjectFileInfo());
- MCContext Ctx(*MAI, *MRI, MOFI.get());
- MOFI->InitMCObjectFileInfo(TripleName, RelocModel, CMModel, Ctx);
+ MCObjectFileInfo MOFI;
+ MCContext Ctx(MAI.get(), MRI.get(), &MOFI, &SrcMgr);
+ MOFI.InitMCObjectFileInfo(TheTriple, RelocModel, CMModel, Ctx);
if (SaveTempLabels)
Ctx.setAllowTemporaryLabels(false);
- OwningPtr<tool_output_file> Out(GetOutputStream());
- if (!Out)
+ Ctx.setGenDwarfForAssembly(GenDwarfForAssembly);
+ // Default to 4 for dwarf version.
+ unsigned DwarfVersion = MCOptions.DwarfVersion ? MCOptions.DwarfVersion : 4;
+ if (DwarfVersion < 2 || DwarfVersion > 4) {
+ errs() << ProgName << ": Dwarf version " << DwarfVersion
+ << " is not supported." << '\n';
return 1;
-
- formatted_raw_ostream FOS(Out->os());
- OwningPtr<MCStreamer> Str;
-
- OwningPtr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
- OwningPtr<MCSubtargetInfo>
- STI(TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
-
- // FIXME: There is a bit of code duplication with addPassesToEmitFile.
- if (FileType == OFT_AssemblyFile) {
- MCInstPrinter *IP =
- TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI);
- MCCodeEmitter *CE = 0;
- MCAsmBackend *MAB = 0;
- if (ShowEncoding) {
- CE = TheTarget->createMCCodeEmitter(*MCII, *STI, Ctx);
- MAB = TheTarget->createMCAsmBackend(TripleName);
- }
- Str.reset(TheTarget->createAsmStreamer(Ctx, FOS, /*asmverbose*/true,
- /*useLoc*/ true,
- /*useCFI*/ true, IP, CE, MAB,
- ShowInst));
- } else if (FileType == OFT_Null) {
- Str.reset(createNullStreamer(Ctx));
- } else {
- assert(FileType == OFT_ObjectFile && "Invalid file type!");
- MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *STI, Ctx);
- MCAsmBackend *MAB = TheTarget->createMCAsmBackend(TripleName);
- Str.reset(TheTarget->createMCObjectStreamer(TripleName, Ctx, *MAB,
- FOS, CE, RelaxAll,
- NoExecStack));
}
+ Ctx.setDwarfVersion(DwarfVersion);
+ if (!DwarfDebugFlags.empty())
+ Ctx.setDwarfDebugFlags(StringRef(DwarfDebugFlags));
+ if (!DwarfDebugProducer.empty())
+ Ctx.setDwarfDebugProducer(StringRef(DwarfDebugProducer));
+ if (!DebugCompilationDir.empty())
+ Ctx.setCompilationDir(DebugCompilationDir);
+ if (!MainFileName.empty())
+ Ctx.setMainFileName(MainFileName);
- if (EnableLogging) {
- Str.reset(createLoggingStreamer(Str.take(), errs()));
+ // Package up features to be passed to target/subtarget
+ std::string FeaturesStr;
+ if (MAttrs.size()) {
+ SubtargetFeatures Features;
+ for (unsigned i = 0; i != MAttrs.size(); ++i)
+ Features.AddFeature(MAttrs[i]);
+ FeaturesStr = Features.getString();
}
- OwningPtr<MCAsmParser> Parser(createMCAsmParser(SrcMgr, Ctx,
- *Str.get(), *MAI));
- OwningPtr<MCTargetAsmParser> TAP(TheTarget->createMCAsmParser(*STI, *Parser));
- if (!TAP) {
- errs() << ProgName
- << ": error: this target does not support assembly parsing.\n";
+ std::unique_ptr<tool_output_file> Out = GetOutputStream();
+ if (!Out)
return 1;
- }
- Parser->setShowParsedOperands(ShowInstOperands);
- Parser->setTargetParser(*TAP.get());
-
- int Res = Parser->Run(NoInitialTextSection);
+ std::unique_ptr<buffer_ostream> BOS;
+ raw_pwrite_stream *OS = &Out->os();
+ std::unique_ptr<MCStreamer> Str;
- // Keep output if no errors.
- if (Res == 0) Out->keep();
-
- return Res;
-}
+ std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
+ std::unique_ptr<MCSubtargetInfo> STI(
+ TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
-static int DisassembleInput(const char *ProgName, bool Enhanced) {
- const Target *TheTarget = GetTarget(ProgName);
- if (!TheTarget)
- return 0;
+ MCInstPrinter *IP = nullptr;
+ if (FileType == OFT_AssemblyFile) {
+ IP = TheTarget->createMCInstPrinter(Triple(TripleName), OutputAsmVariant,
+ *MAI, *MCII, *MRI);
- OwningPtr<MemoryBuffer> Buffer;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, Buffer)) {
- errs() << ProgName << ": " << ec.message() << '\n';
- return 1;
- }
+ // Set the display preference for hex vs. decimal immediates.
+ IP->setPrintImmHex(PrintImmHex);
- OwningPtr<tool_output_file> Out(GetOutputStream());
- if (!Out)
- return 1;
+ // Set up the AsmStreamer.
+ MCCodeEmitter *CE = nullptr;
+ MCAsmBackend *MAB = nullptr;
+ if (ShowEncoding) {
+ CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx);
+ MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU);
+ }
+ auto FOut = llvm::make_unique<formatted_raw_ostream>(*OS);
+ Str.reset(TheTarget->createAsmStreamer(
+ Ctx, std::move(FOut), /*asmverbose*/ true,
+ /*useDwarfDirectory*/ true, IP, CE, MAB, ShowInst));
- int Res;
- if (Enhanced) {
- Res =
- Disassembler::disassembleEnhanced(TripleName, *Buffer.take(), Out->os());
+ } else if (FileType == OFT_Null) {
+ Str.reset(TheTarget->createNullStreamer(Ctx));
} else {
- Res = Disassembler::disassemble(*TheTarget, TripleName,
- *Buffer.take(), Out->os());
- }
-
- // Keep output if no errors.
- if (Res == 0) Out->keep();
-
- return Res;
-}
+ assert(FileType == OFT_ObjectFile && "Invalid file type!");
+ // Don't waste memory on names of temp labels.
+ Ctx.setUseNamesOnTempLabels(false);
-int main(int argc, char **argv) {
- // Print a stack trace if we signal out.
- sys::PrintStackTraceOnErrorSignal();
- PrettyStackTraceProgram X(argc, argv);
- llvm_shutdown_obj Y; // Call llvm_shutdown() on exit.
-
- // Initialize targets and assembly printers/parsers.
- llvm::InitializeAllTargetInfos();
- llvm::InitializeAllTargetMCs();
- llvm::InitializeAllAsmParsers();
- llvm::InitializeAllDisassemblers();
+ if (!Out->os().supportsSeeking()) {
+ BOS = make_unique<buffer_ostream>(Out->os());
+ OS = BOS.get();
+ }
- cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
- TripleName = Triple::normalize(TripleName);
+ MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx);
+ MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU);
+ Str.reset(TheTarget->createMCObjectStreamer(TheTriple, Ctx, *MAB, *OS, CE,
+ *STI, RelaxAll,
+ /*DWARFMustBeAtTheEnd*/ false));
+ if (NoExecStack)
+ Str->InitSections(true);
+ }
+ int Res = 1;
+ bool disassemble = false;
switch (Action) {
- default:
case AC_AsLex:
- return AsLexInput(argv[0]);
+ Res = AsLexInput(SrcMgr, *MAI, Out->os());
+ break;
case AC_Assemble:
- return AssembleInput(argv[0]);
+ Res = AssembleInput(ProgName, TheTarget, SrcMgr, Ctx, *Str, *MAI, *STI,
+ *MCII, MCOptions);
+ break;
+ case AC_MDisassemble:
+ assert(IP && "Expected assembly output");
+ IP->setUseMarkup(1);
+ disassemble = true;
+ break;
case AC_Disassemble:
- return DisassembleInput(argv[0], false);
- case AC_EDisassemble:
- return DisassembleInput(argv[0], true);
+ disassemble = true;
+ break;
}
+ if (disassemble)
+ Res = Disassembler::disassemble(*TheTarget, TripleName, *STI, *Str,
+ *Buffer, SrcMgr, Out->os());
- return 0;
+ // Keep output if no errors.
+ if (Res == 0) Out->keep();
+ return Res;
}
-
projects / oota-llvm.git / blobdiff