//
//===----------------------------------------------------------------------===//
-#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/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/SourceMgr.h"
-#include "llvm/Support/ToolOutputFile.h"
-#include "llvm/Support/Host.h"
#include "llvm/Support/Signals.h"
+#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/TargetRegistry.h"
#include "llvm/Support/TargetSelect.h"
-#include "llvm/Support/system_error.h"
-#include "Disassembler.h"
+#include "llvm/Support/ToolOutputFile.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"));
-
-static cl::opt<bool>
-NoExecStack("mc-no-exec-stack", cl::desc("File doesn't need an exec stack"));
+PrintImmHex("print-imm-hex", cl::init(false),
+ cl::desc("Prefer hex format for immediate values"));
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"));
+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) {
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;
}
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';
+ std::error_code EC;
+ tool_output_file *Out =
+ new tool_output_file(OutputFilename, EC, sys::fs::F_None);
+ if (EC) {
+ errs() << EC.message() << '\n';
delete Out;
- return 0;
+ 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;
- }
- 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,
+ tool_output_file *Out) {
- 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)) {
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;
Out->os() << "\")\n";
}
- // Keep output if no errors.
- if (Error == 0) Out->keep();
-
return Error;
}
-static int AssembleInput(const char *ProgName) {
+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;
+ }
+
+ Parser->setShowParsedOperands(ShowInstOperands);
+ Parser->setTargetParser(*TAP.get());
+
+ 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';
+ ErrorOr<std::unique_ptr<MemoryBuffer>> BufferPtr =
+ MemoryBuffer::getFileOrSTDIN(InputFilename);
+ if (std::error_code EC = BufferPtr.getError()) {
+ errs() << ProgName << ": " << 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!");
+ 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(), &SrcMgr);
- MOFI->InitMCObjectFileInfo(TripleName, RelocModel, CMModel, Ctx);
+ MCObjectFileInfo MOFI;
+ MCContext Ctx(MAI.get(), MRI.get(), &MOFI, &SrcMgr);
+ MOFI.InitMCObjectFileInfo(TripleName, RelocModel, CMModel, Ctx);
if (SaveTempLabels)
Ctx.setAllowTemporaryLabels(false);
Ctx.setGenDwarfForAssembly(GenDwarfForAssembly);
- if (!DwarfDebugFlags.empty())
+ // 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())
+ Ctx.setDwarfDebugProducer(StringRef(DwarfDebugProducer));
+ if (!DebugCompilationDir.empty())
+ Ctx.setCompilationDir(DebugCompilationDir);
+ if (!MainFileName.empty())
+ Ctx.setMainFileName(MainFileName);
// Package up features to be passed to target/subtarget
std::string FeaturesStr;
FeaturesStr = Features.getString();
}
- OwningPtr<tool_output_file> Out(GetOutputStream());
+ std::unique_ptr<tool_output_file> Out(GetOutputStream());
if (!Out)
return 1;
formatted_raw_ostream FOS(Out->os());
- OwningPtr<MCStreamer> Str;
+ std::unique_ptr<MCStreamer> Str;
- OwningPtr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
- OwningPtr<MCSubtargetInfo>
- STI(TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
+ std::unique_ptr<MCInstrInfo> MCII(TheTarget->createMCInstrInfo());
+ std::unique_ptr<MCSubtargetInfo> STI(
+ TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
- // FIXME: There is a bit of code duplication with addPassesToEmitFile.
+ MCInstPrinter *IP = nullptr;
if (FileType == OFT_AssemblyFile) {
- MCInstPrinter *IP =
- TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *MRI, *STI);
- MCCodeEmitter *CE = 0;
- MCAsmBackend *MAB = 0;
+ IP =
+ TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *MCII, *MRI, *STI);
+
+ // 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, *STI, Ctx);
- MAB = TheTarget->createMCAsmBackend(TripleName);
+ CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, *STI, Ctx);
+ MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU);
}
- Str.reset(TheTarget->createAsmStreamer(Ctx, FOS, /*asmverbose*/true,
- /*useLoc*/ true,
- /*useCFI*/ true,
- /*useDwarfDirectory*/ true,
- IP, CE, MAB, ShowInst));
+ Str.reset(TheTarget->createAsmStreamer(Ctx, FOS, /*asmverbose*/ true,
+ /*useDwarfDirectory*/ 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));
- }
-
- 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";
- return 1;
- }
-
- Parser->setShowParsedOperands(ShowInstOperands);
- Parser->setTargetParser(*TAP.get());
-
- int Res = Parser->Run(NoInitialTextSection);
-
- // Keep output if no errors.
- if (Res == 0) Out->keep();
-
- return Res;
-}
-
-static int DisassembleInput(const char *ProgName, bool Enhanced) {
- const Target *TheTarget = GetTarget(ProgName);
- if (!TheTarget)
- return 0;
-
- OwningPtr<MemoryBuffer> Buffer;
- if (error_code ec = MemoryBuffer::getFileOrSTDIN(InputFilename, Buffer)) {
- errs() << ProgName << ": " << ec.message() << '\n';
- return 1;
- }
-
- OwningPtr<tool_output_file> Out(GetOutputStream());
- if (!Out)
- return 1;
-
- int Res;
- 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());
+ MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, *STI, Ctx);
+ MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU);
+ Str.reset(TheTarget->createMCObjectStreamer(TripleName, Ctx, *MAB, FOS, CE,
+ *STI, RelaxAll));
+ if (NoExecStack)
+ Str->InitSections(true);
}
- // Keep output if no errors.
- if (Res == 0) Out->keep();
-
- 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();
-
- cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
- TripleName = Triple::normalize(TripleName);
- setDwarfDebugFlags(argc, argv);
-
+ int Res = 1;
+ bool disassemble = false;
switch (Action) {
case AC_AsLex:
- return AsLexInput(argv[0]);
+ Res = AsLexInput(SrcMgr, *MAI, Out.get());
+ 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());
+
+ // Keep output if no errors.
+ if (Res == 0) Out->keep();
+ return Res;
}
projects / oota-llvm.git / blobdiff