SparcMCTargetDesc.cpp
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//===-- SparcMCTargetDesc.cpp - Sparc Target Descriptions -----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file provides Sparc specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "SparcMCTargetDesc.h"
#include "SparcInstPrinter.h"
#include "SparcMCAsmInfo.h"
#include "SparcTargetStreamer.h"
#include "TargetInfo/SparcTargetInfo.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,
const MCTargetOptions &Options) {
MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
unsigned Reg = MRI.getDwarfRegNum(SP::O6, true);
MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0);
MAI->addInitialFrameState(Inst);
return MAI;
}
static MCAsmInfo *createSparcV9MCAsmInfo(const MCRegisterInfo &MRI,
const Triple &TT,
const MCTargetOptions &Options) {
MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
unsigned Reg = MRI.getDwarfRegNum(SP::O6, true);
MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(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" LLVM_EXTERNAL_VISIBILITY 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);
}
}