#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/MC/MCSubtargetInfo.h"
+#include "llvm/MC/SubtargetFeature.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/TargetAsmInfo.h" // FIXME.
-#include "llvm/Target/TargetLowering.h" // FIXME.
-#include "llvm/Target/TargetLoweringObjectFile.h" // FIXME.
-#include "llvm/Target/TargetMachine.h" // FIXME.
#include "llvm/Target/TargetSelect.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/CommandLine.h"
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, "
cl::value_desc("cpu-name"),
cl::init(""));
+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,
}
static int AsLexInput(const char *ProgName) {
- error_code ec;
- MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, ec);
- if (Buffer == 0) {
+ 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);
// Keep output if no errors.
if (Error == 0) Out->keep();
-
+
return Error;
}
if (!TheTarget)
return 1;
- error_code ec;
- MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, ec);
- if (Buffer == 0) {
+ 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));
+
+
+ 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!");
+
// 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).
- // 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));
+ // 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 (!TM) {
- errs() << ProgName << ": error: could not create target for triple '"
- << TripleName << "'.\n";
- return 1;
- }
-
- const TargetAsmInfo *tai = new TargetAsmInfo(*TM);
- MCContext Ctx(*MAI, tai);
+ if (SaveTempLabels)
+ Ctx.setAllowTemporaryLabels(false);
OwningPtr<tool_output_file> Out(GetOutputStream());
if (!Out)
formatted_raw_ostream FOS(Out->os());
OwningPtr<MCStreamer> Str;
- const TargetLoweringObjectFile &TLOF =
- TM->getTargetLowering()->getObjFileLowering();
- const_cast<TargetLoweringObjectFile&>(TLOF).Initialize(Ctx, *TM);
+ 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;
- if (ShowEncoding)
- CE = TheTarget->createCodeEmitter(*TM, Ctx);
+ TargetAsmBackend *TAB = 0;
+ if (ShowEncoding) {
+ CE = TheTarget->createCodeEmitter(*MCII, *STI, Ctx);
+ TAB = TheTarget->createAsmBackend(TripleName);
+ }
Str.reset(TheTarget->createAsmStreamer(Ctx, FOS, /*asmverbose*/true,
- /*useLoc*/ true, IP, CE, ShowInst));
+ /*useLoc*/ true,
+ /*useCFI*/ true, IP, CE, TAB,
+ ShowInst));
} else if (FileType == OFT_Null) {
Str.reset(createNullStreamer(Ctx));
} else {
assert(FileType == OFT_ObjectFile && "Invalid file type!");
- MCCodeEmitter *CE = TheTarget->createCodeEmitter(*TM, Ctx);
+ MCCodeEmitter *CE = TheTarget->createCodeEmitter(*MCII, *STI, Ctx);
TargetAsmBackend *TAB = TheTarget->createAsmBackend(TripleName);
Str.reset(TheTarget->createObjectStreamer(TripleName, Ctx, *TAB,
- FOS, CE, RelaxAll));
+ FOS, CE, RelaxAll,
+ NoExecStack));
}
if (EnableLogging) {
OwningPtr<MCAsmParser> Parser(createMCAsmParser(*TheTarget, SrcMgr, Ctx,
*Str.get(), *MAI));
- OwningPtr<TargetAsmParser> TAP(TheTarget->createAsmParser(*Parser, *TM));
+ OwningPtr<TargetAsmParser> TAP(TheTarget->createAsmParser(*STI, *Parser));
if (!TAP) {
- errs() << ProgName
+ errs() << ProgName
<< ": error: this target does not support assembly parsing.\n";
return 1;
}
if (!TheTarget)
return 0;
- error_code ec;
- MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFilename, ec);
- if (Buffer == 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, Out->os());
- else
- Res = Disassembler::disassemble(*TheTarget, TripleName, *Buffer, Out->os());
+ if (Enhanced) {
+ Res =
+ Disassembler::disassembleEnhanced(TripleName, *Buffer.take(), Out->os());
+ } else {
+ Res = Disassembler::disassemble(*TheTarget, TripleName,
+ *Buffer.take(), Out->os());
+ }
// Keep output if no errors.
if (Res == 0) Out->keep();
llvm::InitializeAllTargetInfos();
// FIXME: We shouldn't need to initialize the Target(Machine)s.
llvm::InitializeAllTargets();
+ llvm::InitializeAllTargetMCs();
llvm::InitializeAllAsmPrinters();
llvm::InitializeAllAsmParsers();
llvm::InitializeAllDisassemblers();
-
+
+ // Register the target printer for --version.
+ // FIXME: Remove when we stop initializing the Target(Machine)s above.
+ cl::AddExtraVersionPrinter(TargetRegistry::printRegisteredTargetsForVersion);
+
cl::ParseCommandLineOptions(argc, argv, "llvm machine code playground\n");
TripleName = Triple::normalize(TripleName);
case AC_EDisassemble:
return DisassembleInput(argv[0], true);
}
-
+
return 0;
}
projects / oota-llvm.git / blobdiff