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//===-- MSP430MCTargetDesc.cpp - MSP430 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 MSP430 specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "MSP430MCTargetDesc.h"
#include "MSP430InstPrinter.h"
#include "MSP430MCAsmInfo.h"
#include "TargetInfo/MSP430TargetInfo.h"
#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/TargetRegistry.h"
using namespace llvm;
#define GET_INSTRINFO_MC_DESC
#define ENABLE_INSTR_PREDICATE_VERIFIER
#include "MSP430GenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "MSP430GenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "MSP430GenRegisterInfo.inc"
static MCInstrInfo *createMSP430MCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitMSP430MCInstrInfo(X);
return X;
}
static MCRegisterInfo *createMSP430MCRegisterInfo(const Triple &TT) {
MCRegisterInfo *X = new MCRegisterInfo();
InitMSP430MCRegisterInfo(X, MSP430::PC);
return X;
}
static MCAsmInfo *createMSP430MCAsmInfo(const MCRegisterInfo &MRI,
const Triple &TT,
const MCTargetOptions &Options) {
MCAsmInfo *MAI = new MSP430MCAsmInfo(TT);
// Initialize initial frame state.
int stackGrowth = -2;
// Initial state of the frame pointer is sp+ptr_size.
MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(
nullptr, MRI.getDwarfRegNum(MSP430::SP, true), -stackGrowth);
MAI->addInitialFrameState(Inst);
// Add return address to move list
MCCFIInstruction Inst2 = MCCFIInstruction::createOffset(
nullptr, MRI.getDwarfRegNum(MSP430::PC, true), stackGrowth);
MAI->addInitialFrameState(Inst2);
return MAI;
}
static MCSubtargetInfo *
createMSP430MCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
return createMSP430MCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS);
}
static MCInstPrinter *createMSP430MCInstPrinter(const Triple &T,
unsigned SyntaxVariant,
const MCAsmInfo &MAI,
const MCInstrInfo &MII,
const MCRegisterInfo &MRI) {
if (SyntaxVariant == 0)
return new MSP430InstPrinter(MAI, MII, MRI);
return nullptr;
}
extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeMSP430TargetMC() {
Target &T = getTheMSP430Target();
TargetRegistry::RegisterMCAsmInfo(T, createMSP430MCAsmInfo);
TargetRegistry::RegisterMCInstrInfo(T, createMSP430MCInstrInfo);
TargetRegistry::RegisterMCRegInfo(T, createMSP430MCRegisterInfo);
TargetRegistry::RegisterMCSubtargetInfo(T, createMSP430MCSubtargetInfo);
TargetRegistry::RegisterMCInstPrinter(T, createMSP430MCInstPrinter);
TargetRegistry::RegisterMCCodeEmitter(T, createMSP430MCCodeEmitter);
TargetRegistry::RegisterMCAsmBackend(T, createMSP430MCAsmBackend);
TargetRegistry::RegisterObjectTargetStreamer(
T, createMSP430ObjectTargetStreamer);
}
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