#include "llvm/MC/MCParser/AsmLexer.h"
#include "llvm/MC/MCParser/MCAsmLexer.h"
+#include "llvm/MC/MCAsmBackend.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/MCRegisterInfo.h"
#include "llvm/MC/MCSectionMachO.h"
#include "llvm/MC/MCStreamer.h"
-#include "llvm/Target/TargetAsmBackend.h"
-#include "llvm/Target/TargetAsmParser.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/Target/TargetRegistry.h"
-#include "llvm/Target/TargetMachine.h" // FIXME.
-#include "llvm/Target/TargetSelect.h"
+#include "llvm/MC/MCSubtargetInfo.h"
+#include "llvm/MC/MCTargetAsmParser.h"
+#include "llvm/MC/SubtargetFeature.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/PrettyStackTrace.h"
#include "llvm/Support/SourceMgr.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Host.h"
-#include "llvm/System/Signals.h"
+#include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Support/Host.h"
+#include "llvm/Support/Signals.h"
+#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Support/TargetSelect.h"
+#include "llvm/Support/system_error.h"
#include "Disassembler.h"
using namespace llvm;
static cl::opt<bool>
RelaxAll("mc-relax-all", cl::desc("Relax all fixups"));
+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::opt<std::string>
ArchName("arch", cl::desc("Target arch to assemble for, "
- "see -version for available targets"));
+ "see -version for available targets"));
static cl::opt<std::string>
TripleName("triple", cl::desc("Target triple to assemble for, "
"see -version for available targets"));
+static cl::opt<std::string>
+MCPU("mcpu",
+ cl::desc("Target a specific cpu type (-mcpu=help for details)"),
+ 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"),
+ cl::init(Reloc::Default),
+ cl::values(
+ clEnumValN(Reloc::Default, "default",
+ "Target default relocation model"),
+ clEnumValN(Reloc::Static, "static",
+ "Non-relocatable code"),
+ clEnumValN(Reloc::PIC_, "pic",
+ "Fully relocatable, position independent code"),
+ clEnumValN(Reloc::DynamicNoPIC, "dynamic-no-pic",
+ "Relocatable external references, non-relocatable code"),
+ clEnumValEnd));
+
+static cl::opt<llvm::CodeModel::Model>
+CMModel("code-model",
+ cl::desc("Choose code model"),
+ cl::init(CodeModel::Default),
+ cl::values(clEnumValN(CodeModel::Default, "default",
+ "Target default code model"),
+ clEnumValN(CodeModel::Small, "small",
+ "Small code model"),
+ clEnumValN(CodeModel::Kernel, "kernel",
+ "Kernel code model"),
+ clEnumValN(CodeModel::Medium, "medium",
+ "Medium code model"),
+ clEnumValN(CodeModel::Large, "large",
+ "Large code model"),
+ clEnumValEnd));
+
static cl::opt<bool>
-NoInitialTextSection("n", cl::desc(
- "Don't assume assembly file starts in the text section"));
+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"));
enum ActionType {
AC_AsLex,
// Figure out the target triple.
if (TripleName.empty())
TripleName = sys::getHostTriple();
+ Triple TheTriple(Triple::normalize(TripleName));
+
+ const Target *TheTarget = 0;
if (!ArchName.empty()) {
- llvm::Triple TT(TripleName);
- TT.setArchName(ArchName);
- TripleName = TT.str();
- }
+ for (TargetRegistry::iterator it = TargetRegistry::begin(),
+ ie = TargetRegistry::end(); it != ie; ++it) {
+ if (ArchName == it->getName()) {
+ TheTarget = &*it;
+ break;
+ }
+ }
- // Get the target specific parser.
- std::string Error;
- const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);
- if (TheTarget)
- return TheTarget;
+ if (!TheTarget) {
+ errs() << ProgName << ": error: invalid target '" << ArchName << "'.\n";
+ return 0;
+ }
- errs() << ProgName << ": error: unable to get target for '" << TripleName
- << "', see --version and --triple.\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;
+ }
+ }
+
+ TripleName = TheTriple.getTriple();
+ return TheTarget;
}
-static formatted_tool_output_file *GetOutputStream() {
+static tool_output_file *GetOutputStream() {
if (OutputFilename == "")
OutputFilename = "-";
delete Out;
return 0;
}
-
- return new formatted_tool_output_file(*Out,
- formatted_raw_ostream::DELETE_STREAM);
+
+ return Out;
}
static int AsLexInput(const char *ProgName) {
- std::string ErrorMessage;
- MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename,
- &ErrorMessage);
- if (Buffer == 0) {
- errs() << ProgName << ": ";
- if (ErrorMessage.size())
- errs() << ErrorMessage << "\n";
- else
- errs() << "input file didn't read correctly.\n";
+ OwningPtr<MemoryBuffer> BufferPtr;
+ if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, BufferPtr)) {
+ errs() << ProgName << ": " << ec.message() << '\n';
return 1;
}
+ 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);
if (!TheTarget)
return 1;
- llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createAsmInfo(TripleName));
+ llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(TripleName));
assert(MAI && "Unable to create target asm info!");
AsmLexer Lexer(*MAI);
Lexer.setBuffer(SrcMgr.getMemoryBuffer(0));
- OwningPtr<formatted_tool_output_file> Out(GetOutputStream());
+ OwningPtr<tool_output_file> Out(GetOutputStream());
if (!Out)
return 1;
bool Error = false;
while (Lexer.Lex().isNot(AsmToken::Eof)) {
- switch (Lexer.getKind()) {
+ AsmToken Tok = Lexer.getTok();
+
+ switch (Tok.getKind()) {
default:
SrcMgr.PrintMessage(Lexer.getLoc(), "unknown token", "warning");
Error = true;
Error = true; // error already printed.
break;
case AsmToken::Identifier:
- *Out << "identifier: " << Lexer.getTok().getString() << '\n';
- break;
- case AsmToken::String:
- *Out << "string: " << Lexer.getTok().getString() << '\n';
+ Out->os() << "identifier: " << Lexer.getTok().getString();
break;
case AsmToken::Integer:
- *Out << "int: " << Lexer.getTok().getString() << '\n';
+ Out->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();
+ break;
+ case AsmToken::String:
+ Out->os() << "string: " << Lexer.getTok().getString();
break;
- case AsmToken::Amp: *Out << "Amp\n"; break;
- case AsmToken::AmpAmp: *Out << "AmpAmp\n"; break;
- case AsmToken::Caret: *Out << "Caret\n"; break;
- case AsmToken::Colon: *Out << "Colon\n"; break;
- case AsmToken::Comma: *Out << "Comma\n"; break;
- case AsmToken::Dollar: *Out << "Dollar\n"; break;
- case AsmToken::EndOfStatement: *Out << "EndOfStatement\n"; break;
- case AsmToken::Eof: *Out << "Eof\n"; break;
- case AsmToken::Equal: *Out << "Equal\n"; break;
- case AsmToken::EqualEqual: *Out << "EqualEqual\n"; break;
- case AsmToken::Exclaim: *Out << "Exclaim\n"; break;
- case AsmToken::ExclaimEqual: *Out << "ExclaimEqual\n"; break;
- case AsmToken::Greater: *Out << "Greater\n"; break;
- case AsmToken::GreaterEqual: *Out << "GreaterEqual\n"; break;
- case AsmToken::GreaterGreater: *Out << "GreaterGreater\n"; break;
- case AsmToken::LParen: *Out << "LParen\n"; break;
- case AsmToken::Less: *Out << "Less\n"; break;
- case AsmToken::LessEqual: *Out << "LessEqual\n"; break;
- case AsmToken::LessGreater: *Out << "LessGreater\n"; break;
- case AsmToken::LessLess: *Out << "LessLess\n"; break;
- case AsmToken::Minus: *Out << "Minus\n"; break;
- case AsmToken::Percent: *Out << "Percent\n"; break;
- case AsmToken::Pipe: *Out << "Pipe\n"; break;
- case AsmToken::PipePipe: *Out << "PipePipe\n"; break;
- case AsmToken::Plus: *Out << "Plus\n"; break;
- case AsmToken::RParen: *Out << "RParen\n"; break;
- case AsmToken::Slash: *Out << "Slash\n"; break;
- case AsmToken::Star: *Out << "Star\n"; break;
- case AsmToken::Tilde: *Out << "Tilde\n"; 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;
}
+
+ // Print the token string.
+ Out->os() << " (\"";
+ Out->os().write_escaped(Tok.getString());
+ Out->os() << "\")\n";
}
// Keep output if no errors.
if (Error == 0) Out->keep();
-
+
return Error;
}
if (!TheTarget)
return 1;
- std::string Error;
- MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, &Error);
- if (Buffer == 0) {
- errs() << ProgName << ": ";
- if (Error.size())
- errs() << Error << "\n";
- else
- errs() << "input file didn't read correctly.\n";
+ OwningPtr<MemoryBuffer> BufferPtr;
+ if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, BufferPtr)) {
+ errs() << ProgName << ": " << ec.message() << '\n';
return 1;
}
-
+ MemoryBuffer *Buffer = BufferPtr.take();
+
SourceMgr SrcMgr;
-
+
// Tell SrcMgr about this buffer, which is what the parser 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);
-
-
- llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createAsmInfo(TripleName));
- assert(MAI && "Unable to create target asm info!");
-
- MCContext Ctx(*MAI);
- // FIXME: We shouldn't need to do this (and link in codegen).
- OwningPtr<TargetMachine> TM(TheTarget->createTargetMachine(TripleName, ""));
- if (!TM) {
- errs() << ProgName << ": error: could not create target for triple '"
- << TripleName << "'.\n";
- return 1;
+ llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createMCAsmInfo(TripleName));
+ assert(MAI && "Unable to create target asm info!");
+
+ llvm::OwningPtr<MCRegisterInfo> MRI(TheTarget->createMCRegInfo(TripleName));
+ assert(MRI && "Unable to create target register info!");
+
+ // 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);
+
+ if (SaveTempLabels)
+ Ctx.setAllowTemporaryLabels(false);
+
+ // 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<formatted_tool_output_file> Out(GetOutputStream());
+ OwningPtr<tool_output_file> Out(GetOutputStream());
if (!Out)
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);
+ TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *STI);
MCCodeEmitter *CE = 0;
- if (ShowEncoding)
- CE = TheTarget->createCodeEmitter(*TM, Ctx);
- Str.reset(createAsmStreamer(Ctx, *Out,
- TM->getTargetData()->isLittleEndian(),
- /*asmverbose*/true, IP, CE, ShowInst));
+ 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->createCodeEmitter(*TM, Ctx);
- TargetAsmBackend *TAB = TheTarget->createAsmBackend(TripleName);
- Str.reset(TheTarget->createObjectStreamer(TripleName, Ctx, *TAB,
- *Out, CE, RelaxAll));
+ MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *STI, Ctx);
+ MCAsmBackend *MAB = TheTarget->createMCAsmBackend(TripleName);
+ Str.reset(TheTarget->createMCObjectStreamer(TripleName, Ctx, *MAB,
+ FOS, CE, RelaxAll,
+ NoExecStack));
}
if (EnableLogging) {
Str.reset(createLoggingStreamer(Str.take(), errs()));
}
- OwningPtr<MCAsmParser> Parser(createMCAsmParser(*TheTarget, SrcMgr, Ctx,
- *Str.get(), *MAI));
- OwningPtr<TargetAsmParser> TAP(TheTarget->createAsmParser(*Parser, *TM));
+ OwningPtr<MCAsmParser> Parser(createMCAsmParser(SrcMgr, Ctx,
+ *Str.get(), *MAI));
+ OwningPtr<MCTargetAsmParser> TAP(TheTarget->createMCAsmParser(*STI, *Parser));
if (!TAP) {
- errs() << ProgName
+ errs() << ProgName
<< ": error: this target does not support assembly parsing.\n";
return 1;
}
const Target *TheTarget = GetTarget(ProgName);
if (!TheTarget)
return 0;
-
- std::string ErrorMessage;
-
- MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename,
- &ErrorMessage);
-
- if (Buffer == 0) {
- errs() << ProgName << ": ";
- if (ErrorMessage.size())
- errs() << ErrorMessage << "\n";
- else
- errs() << "input file didn't read correctly.\n";
+
+ OwningPtr<MemoryBuffer> Buffer;
+ if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, Buffer)) {
+ errs() << ProgName << ": " << ec.message() << '\n';
return 1;
}
-
- OwningPtr<formatted_tool_output_file> Out(GetOutputStream());
+
+ OwningPtr<tool_output_file> Out(GetOutputStream());
if (!Out)
return 1;
int Res;
- if (Enhanced)
- Res = Disassembler::disassembleEnhanced(TripleName, *Buffer, *Out);
- else
- Res = Disassembler::disassemble(*TheTarget, TripleName, *Buffer, *Out);
+ if (Enhanced) {
+ Res =
+ Disassembler::disassembleEnhanced(TripleName, *Buffer.take(), Out->os());
+ } else {
+ // 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();
+ }
+
+ Res = Disassembler::disassemble(*TheTarget, TripleName, MCPU, FeaturesStr,
+ *Buffer.take(), Out->os());
+ }
// Keep output if no errors.
if (Res == 0) Out->keep();
// Initialize targets and assembly printers/parsers.
llvm::InitializeAllTargetInfos();
- // FIXME: We shouldn't need to initialize the Target(Machine)s.
- llvm::InitializeAllTargets();
- llvm::InitializeAllAsmPrinters();
+ llvm::InitializeAllTargetMCs();
llvm::InitializeAllAsmParsers();
llvm::InitializeAllDisassemblers();
-
+
cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
TripleName = Triple::normalize(TripleName);
case AC_EDisassemble:
return DisassembleInput(argv[0], true);
}
-
+
return 0;
}