ShowEncoding("show-encoding", cl::desc("Show instruction encodings"));
static cl::opt<bool>
-CompressDebugSections("compress-debug-sections", cl::desc("Compress DWARF debug sections"));
+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::list<std::string>
+DefineSymbol("defsym", cl::desc("Defines a symbol to be an integer constant"));
enum OutputFileType {
OFT_Null,
NoInitialTextSection("n", cl::desc("Don't assume assembly file starts "
"in the text section"));
-static cl::opt<bool>
-SaveTempLabels("L", cl::desc("Don't discard temporary labels"));
-
static cl::opt<bool>
GenDwarfForAssembly("g", cl::desc("Generate dwarf debugging info for assembly "
"source files"));
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_MDisassemble,
- AC_HDisassemble
};
static cl::opt<ActionType>
"Disassemble strings of hex bytes"),
clEnumValN(AC_MDisassemble, "mdis",
"Marked up disassembly of strings of hex bytes"),
- clEnumValN(AC_HDisassemble, "hdis",
- "Disassemble strings of hex bytes printing "
- "immediates as hex"),
clEnumValEnd));
static const Target *GetTarget(const char *ProgName) {
Error);
if (!TheTarget) {
errs() << ProgName << ": " << Error;
- return 0;
+ return nullptr;
}
// Update the triple name and return the found target.
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, sys::fs::F_None);
- 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;
DwarfDebugProducer += getenv("DEBUG_PRODUCER");
}
-static int AsLexInput(SourceMgr &SrcMgr, MCAsmInfo &MAI, tool_output_file *Out) {
+static int AsLexInput(SourceMgr &SrcMgr, MCAsmInfo &MAI,
+ raw_ostream &OS) {
AsmLexer Lexer(MAI);
- Lexer.setBuffer(SrcMgr.getMemoryBuffer(0));
+ Lexer.setBuffer(SrcMgr.getMemoryBuffer(SrcMgr.getMainFileID())->getBuffer());
bool Error = false;
while (Lexer.Lex().isNot(AsmToken::Eof)) {
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();
+ 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";
}
return Error;
}
+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) {
+ 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,
- InitMCTargetOptionsFromFlags()));
+ 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.get());
+ Parser->setTargetParser(*TAP);
int Res = Parser->Run(NoInitialTextSection);
cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
+ MCTargetOptions MCOptions = InitMCTargetOptionsFromFlags();
TripleName = Triple::normalize(TripleName);
setDwarfDebugFlags(argc, argv);
const Target *TheTarget = GetTarget(ProgName);
if (!TheTarget)
return 1;
-
- std::unique_ptr<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.release();
+ 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.
if (CompressDebugSections) {
if (!zlib::isAvailable()) {
- errs() << ProgName << ": build tools with zlib to enable -compress-debug-sections";
+ 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.
- std::unique_ptr<MCObjectFileInfo> MOFI(new MCObjectFileInfo());
- MCContext Ctx(MAI.get(), MRI.get(), MOFI.get(), &SrcMgr);
- 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);
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;
+ }
+ Ctx.setDwarfVersion(DwarfVersion);
if (!DwarfDebugFlags.empty())
Ctx.setDwarfDebugFlags(StringRef(DwarfDebugFlags));
if (!DwarfDebugProducer.empty())
FeaturesStr = Features.getString();
}
- std::unique_ptr<tool_output_file> Out(GetOutputStream());
+ std::unique_ptr<tool_output_file> Out = GetOutputStream();
if (!Out)
return 1;
- formatted_raw_ostream FOS(Out->os());
+ std::unique_ptr<buffer_ostream> BOS;
+ raw_pwrite_stream *OS = &Out->os();
std::unique_ptr<MCStreamer> Str;
std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
std::unique_ptr<MCSubtargetInfo> STI(
TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
- MCInstPrinter *IP = NULL;
+ MCInstPrinter *IP = nullptr;
if (FileType == OFT_AssemblyFile) {
- IP =
- TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *MCII, *MRI, *STI);
- MCCodeEmitter *CE = 0;
- MCAsmBackend *MAB = 0;
+ IP = TheTarget->createMCInstPrinter(Triple(TripleName), OutputAsmVariant,
+ *MAI, *MCII, *MRI);
+
+ // Set the display preference for hex vs. decimal immediates.
+ IP->setPrintImmHex(PrintImmHex);
+
+ // Set up the AsmStreamer.
+ MCCodeEmitter *CE = nullptr;
+ MCAsmBackend *MAB = nullptr;
if (ShowEncoding) {
- CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, *STI, Ctx);
+ CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx);
MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU);
}
- Str.reset(TheTarget->createAsmStreamer(Ctx, FOS, /*asmverbose*/ true,
- /*UseCFI*/ true,
- /*useDwarfDirectory*/
- true, IP, CE, MAB, ShowInst));
+ 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));
} else if (FileType == OFT_Null) {
- Str.reset(createNullStreamer(Ctx));
+ Str.reset(TheTarget->createNullStreamer(Ctx));
} else {
assert(FileType == OFT_ObjectFile && "Invalid file type!");
- MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, *STI, Ctx);
+
+ // Don't waste memory on names of temp labels.
+ Ctx.setUseNamesOnTempLabels(false);
+
+ if (!Out->os().supportsSeeking()) {
+ BOS = make_unique<buffer_ostream>(Out->os());
+ OS = BOS.get();
+ }
+
+ MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, Ctx);
MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU);
- Str.reset(TheTarget->createMCObjectStreamer(TripleName, Ctx, *MAB,
- FOS, CE, *STI, RelaxAll,
- NoExecStack));
+ 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) {
case AC_AsLex:
- Res = AsLexInput(SrcMgr, *MAI, Out.get());
+ Res = AsLexInput(SrcMgr, *MAI, Out->os());
break;
case AC_Assemble:
- Res = AssembleInput(ProgName, TheTarget, SrcMgr, Ctx, *Str, *MAI, *STI, *MCII);
+ 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_HDisassemble:
- assert(IP && "Expected assembly output");
- IP->setPrintImmHex(1);
- disassemble = true;
- break;
case AC_Disassemble:
disassemble = true;
break;
projects / oota-llvm.git / blobdiff