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//===-- CSKYMCTargetDesc.cpp - CSKY 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 CSKY specific target descriptions.
///
//===----------------------------------------------------------------------===//
#include "CSKYMCTargetDesc.h"
#include "CSKYAsmBackend.h"
#include "CSKYInstPrinter.h"
#include "CSKYMCAsmInfo.h"
#include "CSKYMCCodeEmitter.h"
#include "TargetInfo/CSKYTargetInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/TargetRegistry.h"
#define GET_INSTRINFO_MC_DESC
#include "CSKYGenInstrInfo.inc"
#define GET_REGINFO_MC_DESC
#include "CSKYGenRegisterInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "CSKYGenSubtargetInfo.inc"
using namespace llvm;
static MCAsmInfo *createCSKYMCAsmInfo(const MCRegisterInfo &MRI,
const Triple &TT,
const MCTargetOptions &Options) {
MCAsmInfo *MAI = new CSKYMCAsmInfo(TT);
// Initial state of the frame pointer is SP.
unsigned Reg = MRI.getDwarfRegNum(CSKY::R14, true);
MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0);
MAI->addInitialFrameState(Inst);
return MAI;
}
static MCInstrInfo *createCSKYMCInstrInfo() {
MCInstrInfo *Info = new MCInstrInfo();
InitCSKYMCInstrInfo(Info);
return Info;
}
static MCInstPrinter *createCSKYMCInstPrinter(const Triple &T,
unsigned SyntaxVariant,
const MCAsmInfo &MAI,
const MCInstrInfo &MII,
const MCRegisterInfo &MRI) {
return new CSKYInstPrinter(MAI, MII, MRI);
}
static MCRegisterInfo *createCSKYMCRegisterInfo(const Triple &TT) {
MCRegisterInfo *Info = new MCRegisterInfo();
InitCSKYMCRegisterInfo(Info, CSKY::R15);
return Info;
}
static MCSubtargetInfo *createCSKYMCSubtargetInfo(const Triple &TT,
StringRef CPU, StringRef FS) {
std::string CPUName = std::string(CPU);
if (CPUName.empty())
CPUName = "generic";
return createCSKYMCSubtargetInfoImpl(TT, CPUName, /*TuneCPU=*/CPUName, FS);
}
extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeCSKYTargetMC() {
auto &CSKYTarget = getTheCSKYTarget();
TargetRegistry::RegisterMCAsmBackend(CSKYTarget, createCSKYAsmBackend);
TargetRegistry::RegisterMCAsmInfo(CSKYTarget, createCSKYMCAsmInfo);
TargetRegistry::RegisterMCInstrInfo(CSKYTarget, createCSKYMCInstrInfo);
TargetRegistry::RegisterMCRegInfo(CSKYTarget, createCSKYMCRegisterInfo);
TargetRegistry::RegisterMCCodeEmitter(CSKYTarget, createCSKYMCCodeEmitter);
TargetRegistry::RegisterMCInstPrinter(CSKYTarget, createCSKYMCInstPrinter);
TargetRegistry::RegisterMCSubtargetInfo(CSKYTarget,
createCSKYMCSubtargetInfo);
}
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