| //===-- 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); |
| } |