diff options
Diffstat (limited to 'contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp')
-rw-r--r-- | contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp b/contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp new file mode 100644 index 000000000000..bd6596faee5d --- /dev/null +++ b/contrib/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp @@ -0,0 +1,125 @@ +//===-- SparcMCTargetDesc.cpp - Sparc Target Descriptions -----------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file provides Sparc specific target descriptions. +// +//===----------------------------------------------------------------------===// + +#include "SparcMCTargetDesc.h" +#include "InstPrinter/SparcInstPrinter.h" +#include "SparcMCAsmInfo.h" +#include "SparcTargetStreamer.h" +#include "llvm/MC/MCInstrInfo.h" +#include "llvm/MC/MCRegisterInfo.h" +#include "llvm/MC/MCSubtargetInfo.h" +#include "llvm/Support/ErrorHandling.h" +#include "llvm/Support/TargetRegistry.h" + +using namespace llvm; + +#define GET_INSTRINFO_MC_DESC +#include "SparcGenInstrInfo.inc" + +#define GET_SUBTARGETINFO_MC_DESC +#include "SparcGenSubtargetInfo.inc" + +#define GET_REGINFO_MC_DESC +#include "SparcGenRegisterInfo.inc" + +static MCAsmInfo *createSparcMCAsmInfo(const MCRegisterInfo &MRI, + const Triple &TT) { + MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT); + unsigned Reg = MRI.getDwarfRegNum(SP::O6, true); + MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, Reg, 0); + MAI->addInitialFrameState(Inst); + return MAI; +} + +static MCAsmInfo *createSparcV9MCAsmInfo(const MCRegisterInfo &MRI, + const Triple &TT) { + MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT); + unsigned Reg = MRI.getDwarfRegNum(SP::O6, true); + MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, Reg, 2047); + MAI->addInitialFrameState(Inst); + return MAI; +} + +static MCInstrInfo *createSparcMCInstrInfo() { + MCInstrInfo *X = new MCInstrInfo(); + InitSparcMCInstrInfo(X); + return X; +} + +static MCRegisterInfo *createSparcMCRegisterInfo(const Triple &TT) { + MCRegisterInfo *X = new MCRegisterInfo(); + InitSparcMCRegisterInfo(X, SP::O7); + return X; +} + +static MCSubtargetInfo * +createSparcMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) { + if (CPU.empty()) + CPU = (TT.getArch() == Triple::sparcv9) ? "v9" : "v8"; + return createSparcMCSubtargetInfoImpl(TT, CPU, FS); +} + +static MCTargetStreamer * +createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) { + return new SparcTargetELFStreamer(S); +} + +static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S, + formatted_raw_ostream &OS, + MCInstPrinter *InstPrint, + bool isVerboseAsm) { + return new SparcTargetAsmStreamer(S, OS); +} + +static MCInstPrinter *createSparcMCInstPrinter(const Triple &T, + unsigned SyntaxVariant, + const MCAsmInfo &MAI, + const MCInstrInfo &MII, + const MCRegisterInfo &MRI) { + return new SparcInstPrinter(MAI, MII, MRI); +} + +extern "C" void LLVMInitializeSparcTargetMC() { + // Register the MC asm info. + RegisterMCAsmInfoFn X(getTheSparcTarget(), createSparcMCAsmInfo); + RegisterMCAsmInfoFn Y(getTheSparcV9Target(), createSparcV9MCAsmInfo); + RegisterMCAsmInfoFn Z(getTheSparcelTarget(), createSparcMCAsmInfo); + + for (Target *T : + {&getTheSparcTarget(), &getTheSparcV9Target(), &getTheSparcelTarget()}) { + // Register the MC instruction info. + TargetRegistry::RegisterMCInstrInfo(*T, createSparcMCInstrInfo); + + // Register the MC register info. + TargetRegistry::RegisterMCRegInfo(*T, createSparcMCRegisterInfo); + + // Register the MC subtarget info. + TargetRegistry::RegisterMCSubtargetInfo(*T, createSparcMCSubtargetInfo); + + // Register the MC Code Emitter. + TargetRegistry::RegisterMCCodeEmitter(*T, createSparcMCCodeEmitter); + + // Register the asm backend. + TargetRegistry::RegisterMCAsmBackend(*T, createSparcAsmBackend); + + // Register the object target streamer. + TargetRegistry::RegisterObjectTargetStreamer(*T, + createObjectTargetStreamer); + + // Register the asm streamer. + TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer); + + // Register the MCInstPrinter + TargetRegistry::RegisterMCInstPrinter(*T, createSparcMCInstPrinter); + } +} |