//
//===----------------------------------------------------------------------===//
+#include "llvm/MC/MCParser/AsmLexer.h"
#include "llvm/MC/MCParser/MCAsmLexer.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCInstPrinter.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/SubtargetFeature.h" // FIXME.
+#include "llvm/Target/TargetMachine.h" // FIXME.
+#include "llvm/Target/TargetSelect.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/FileUtilities.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/ManagedStatic.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/Signals.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/MCParser/AsmParser.h"
+#include "llvm/Support/ToolOutputFile.h"
+#include "llvm/Support/Host.h"
+#include "llvm/Support/Signals.h"
#include "Disassembler.h"
using namespace llvm;
static cl::opt<bool>
ShowInst("show-inst", cl::desc("Show internal instruction representation"));
+static cl::opt<bool>
+ShowInstOperands("show-inst-operands",
+ cl::desc("Show instructions operands as parsed"));
+
static cl::opt<unsigned>
OutputAsmVariant("output-asm-variant",
cl::desc("Syntax variant to use for output printing"));
+static cl::opt<bool>
+RelaxAll("mc-relax-all", cl::desc("Relax all fixups"));
+
+static cl::opt<bool>
+EnableLogging("enable-api-logging", cl::desc("Enable MC API logging"));
+
enum OutputFileType {
+ OFT_Null,
OFT_AssemblyFile,
OFT_ObjectFile
};
cl::values(
clEnumValN(OFT_AssemblyFile, "asm",
"Emit an assembly ('.s') file"),
+ clEnumValN(OFT_Null, "null",
+ "Don't emit anything (for timing purposes)"),
clEnumValN(OFT_ObjectFile, "obj",
"Emit a native object ('.o') file"),
clEnumValEnd));
-static cl::opt<bool>
-Force("f", cl::desc("Enable binary output on terminals"));
-
static cl::list<std::string>
IncludeDirs("I", cl::desc("Directory of include files"),
cl::value_desc("directory"), cl::Prefix);
+static cl::opt<std::string>
+ArchName("arch", cl::desc("Target arch to assemble for, "
+ "see -version for available targets"));
+
static cl::opt<std::string>
TripleName("triple", cl::desc("Target triple to assemble for, "
- "see -version for available targets"),
- cl::init(LLVM_HOSTTRIPLE));
+ "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::opt<bool>
+NoInitialTextSection("n", cl::desc(
+ "Don't assume assembly file starts in the text section"));
enum ActionType {
AC_AsLex,
AC_Assemble,
- AC_Disassemble
+ AC_Disassemble,
+ AC_EDisassemble
};
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"),
clEnumValEnd));
static const Target *GetTarget(const char *ProgName) {
+ // Figure out the target triple.
+ if (TripleName.empty())
+ TripleName = sys::getHostTriple();
+ if (!ArchName.empty()) {
+ llvm::Triple TT(TripleName);
+ TT.setArchName(ArchName);
+ TripleName = TT.str();
+ }
+
// Get the target specific parser.
std::string Error;
const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);
return 0;
}
+static 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;
+ }
+
+ return Out;
+}
+
static int AsLexInput(const char *ProgName) {
std::string ErrorMessage;
MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename,
if (!TheTarget)
return 1;
- const MCAsmInfo *MAI = TheTarget->createAsmInfo(TripleName);
+ llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createAsmInfo(TripleName));
assert(MAI && "Unable to create target asm info!");
AsmLexer Lexer(*MAI);
-
+ Lexer.setBuffer(SrcMgr.getMemoryBuffer(0));
+
+ 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:
- outs() << "identifier: " << Lexer.getTok().getString() << '\n';
- break;
- case AsmToken::String:
- outs() << "string: " << Lexer.getTok().getString() << '\n';
+ Out->os() << "identifier: " << Lexer.getTok().getString();
break;
case AsmToken::Integer:
- outs() << "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: outs() << "Amp\n"; break;
- case AsmToken::AmpAmp: outs() << "AmpAmp\n"; break;
- case AsmToken::Caret: outs() << "Caret\n"; break;
- case AsmToken::Colon: outs() << "Colon\n"; break;
- case AsmToken::Comma: outs() << "Comma\n"; break;
- case AsmToken::Dollar: outs() << "Dollar\n"; break;
- case AsmToken::EndOfStatement: outs() << "EndOfStatement\n"; break;
- case AsmToken::Eof: outs() << "Eof\n"; break;
- case AsmToken::Equal: outs() << "Equal\n"; break;
- case AsmToken::EqualEqual: outs() << "EqualEqual\n"; break;
- case AsmToken::Exclaim: outs() << "Exclaim\n"; break;
- case AsmToken::ExclaimEqual: outs() << "ExclaimEqual\n"; break;
- case AsmToken::Greater: outs() << "Greater\n"; break;
- case AsmToken::GreaterEqual: outs() << "GreaterEqual\n"; break;
- case AsmToken::GreaterGreater: outs() << "GreaterGreater\n"; break;
- case AsmToken::LParen: outs() << "LParen\n"; break;
- case AsmToken::Less: outs() << "Less\n"; break;
- case AsmToken::LessEqual: outs() << "LessEqual\n"; break;
- case AsmToken::LessGreater: outs() << "LessGreater\n"; break;
- case AsmToken::LessLess: outs() << "LessLess\n"; break;
- case AsmToken::Minus: outs() << "Minus\n"; break;
- case AsmToken::Percent: outs() << "Percent\n"; break;
- case AsmToken::Pipe: outs() << "Pipe\n"; break;
- case AsmToken::PipePipe: outs() << "PipePipe\n"; break;
- case AsmToken::Plus: outs() << "Plus\n"; break;
- case AsmToken::RParen: outs() << "RParen\n"; break;
- case AsmToken::Slash: outs() << "Slash\n"; break;
- case AsmToken::Star: outs() << "Star\n"; break;
- case AsmToken::Tilde: outs() << "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;
}
- }
-
- return Error;
-}
-
-static formatted_raw_ostream *GetOutputStream() {
- if (OutputFilename == "")
- OutputFilename = "-";
-
- // Make sure that the Out file gets unlinked from the disk if we get a
- // SIGINT.
- if (OutputFilename != "-")
- sys::RemoveFileOnSignal(sys::Path(OutputFilename));
- std::string Err;
- raw_fd_ostream *Out = new raw_fd_ostream(OutputFilename.c_str(), Err,
- raw_fd_ostream::F_Binary);
- if (!Err.empty()) {
- errs() << Err << '\n';
- delete Out;
- return 0;
+ // Print the token string.
+ Out->os() << " (\"";
+ Out->os().write_escaped(Tok.getString());
+ Out->os() << "\")\n";
}
-
- return new formatted_raw_ostream(*Out, formatted_raw_ostream::DELETE_STREAM);
+
+ // Keep output if no errors.
+ if (Error == 0) Out->keep();
+
+ return Error;
}
static int AssembleInput(const char *ProgName) {
// it later.
SrcMgr.setIncludeDirs(IncludeDirs);
- MCContext Ctx;
- formatted_raw_ostream *Out = GetOutputStream();
- if (!Out)
- return 1;
-
+
+ llvm::OwningPtr<MCAsmInfo> MAI(TheTarget->createAsmInfo(TripleName));
+ assert(MAI && "Unable to create target asm info!");
+
+ MCContext Ctx(*MAI);
+
+ // Package up features to be passed to target/subtarget
+ std::string FeaturesStr;
+ if (MCPU.size()) {
+ SubtargetFeatures Features;
+ Features.setCPU(MCPU);
+ FeaturesStr = Features.getString();
+ }
// FIXME: We shouldn't need to do this (and link in codegen).
- OwningPtr<TargetMachine> TM(TheTarget->createTargetMachine(TripleName, ""));
+ // When we split this out, we should do it in a way that makes
+ // it straightforward to switch subtargets on the fly (.e.g,
+ // the .cpu and .code16 directives).
+ OwningPtr<TargetMachine> TM(TheTarget->createTargetMachine(TripleName,
+ FeaturesStr));
if (!TM) {
errs() << ProgName << ": error: could not create target for triple '"
return 1;
}
- OwningPtr<MCInstPrinter> IP;
- OwningPtr<MCCodeEmitter> CE;
- OwningPtr<MCStreamer> Str;
+ OwningPtr<tool_output_file> Out(GetOutputStream());
+ if (!Out)
+ return 1;
- const MCAsmInfo *MAI = TheTarget->createAsmInfo(TripleName);
- assert(MAI && "Unable to create target asm info!");
+ formatted_raw_ostream FOS(Out->os());
+ OwningPtr<MCStreamer> Str;
if (FileType == OFT_AssemblyFile) {
- IP.reset(TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *Out));
+ MCInstPrinter *IP =
+ TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI);
+ MCCodeEmitter *CE = 0;
if (ShowEncoding)
- CE.reset(TheTarget->createCodeEmitter(*TM, Ctx));
- Str.reset(createAsmStreamer(Ctx, *Out, *MAI,
- TM->getTargetData()->isLittleEndian(),
- /*asmverbose*/true, IP.get(), CE.get(),
- ShowInst));
+ CE = TheTarget->createCodeEmitter(*TM, Ctx);
+ Str.reset(TheTarget->createAsmStreamer(Ctx, FOS,
+ TM->getTargetData()->isLittleEndian(),
+ /*asmverbose*/true, IP, CE, ShowInst));
+ } else if (FileType == OFT_Null) {
+ Str.reset(createNullStreamer(Ctx));
} else {
assert(FileType == OFT_ObjectFile && "Invalid file type!");
- CE.reset(TheTarget->createCodeEmitter(*TM, Ctx));
- Str.reset(createMachOStreamer(Ctx, *Out, CE.get()));
+ MCCodeEmitter *CE = TheTarget->createCodeEmitter(*TM, Ctx);
+ TargetAsmBackend *TAB = TheTarget->createAsmBackend(TripleName);
+ Str.reset(TheTarget->createObjectStreamer(TripleName, Ctx, *TAB,
+ FOS, CE, RelaxAll));
+ }
+
+ if (EnableLogging) {
+ Str.reset(createLoggingStreamer(Str.take(), errs()));
}
- AsmParser Parser(SrcMgr, Ctx, *Str.get(), *MAI);
- OwningPtr<TargetAsmParser> TAP(TheTarget->createAsmParser(Parser));
+ OwningPtr<MCAsmParser> Parser(createMCAsmParser(*TheTarget, SrcMgr, Ctx,
+ *Str.get(), *MAI));
+ OwningPtr<TargetAsmParser> TAP(TheTarget->createAsmParser(*Parser, *TM));
if (!TAP) {
errs() << ProgName
<< ": error: this target does not support assembly parsing.\n";
return 1;
}
- Parser.setTargetParser(*TAP.get());
+ Parser->setShowParsedOperands(ShowInstOperands);
+ Parser->setTargetParser(*TAP.get());
- int Res = Parser.Run();
- if (Out != &fouts())
- delete Out;
+ int Res = Parser->Run(NoInitialTextSection);
+
+ // Keep output if no errors.
+ if (Res == 0) Out->keep();
return Res;
}
-static int DisassembleInput(const char *ProgName) {
- std::string Error;
- const Target *TheTarget = TargetRegistry::lookupTarget(TripleName, Error);
- if (TheTarget == 0) {
- errs() << ProgName << ": error: unable to get target for '" << TripleName
- << "', see --version and --triple.\n";
+static int DisassembleInput(const char *ProgName, bool Enhanced) {
+ const Target *TheTarget = GetTarget(ProgName);
+ if (!TheTarget)
return 0;
- }
std::string ErrorMessage;
return 1;
}
- return Disassembler::disassemble(*TheTarget, TripleName, *Buffer);
+ OwningPtr<tool_output_file> Out(GetOutputStream());
+ if (!Out)
+ return 1;
+
+ int Res;
+ if (Enhanced)
+ Res = Disassembler::disassembleEnhanced(TripleName, *Buffer, Out->os());
+ else
+ Res = Disassembler::disassemble(*TheTarget, TripleName, *Buffer, Out->os());
+
+ // Keep output if no errors.
+ if (Res == 0) Out->keep();
+
+ return Res;
}
llvm::InitializeAllDisassemblers();
cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
+ TripleName = Triple::normalize(TripleName);
switch (Action) {
default:
case AC_Assemble:
return AssembleInput(argv[0]);
case AC_Disassemble:
- return DisassembleInput(argv[0]);
+ return DisassembleInput(argv[0], false);
+ case AC_EDisassemble:
+ return DisassembleInput(argv[0], true);
}
return 0;