ec17c4f075
Add basis of CSKY MCTargetDesc and it's enough to compile and link but doesn't yet do anything particularly useful. Once an ASM parser and printer are added in the next two patches, the whole thing can be usefully tested. Differential Revision: https://reviews.llvm.org/D93372
63 lines
2.2 KiB
C++
63 lines
2.2 KiB
C++
//===-- CSKYMCTargetDesc.cpp - CSKY Target Descriptions -------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// This file provides CSKY specific target descriptions.
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///
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//===----------------------------------------------------------------------===//
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#include "CSKYMCTargetDesc.h"
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#include "CSKYAsmBackend.h"
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#include "CSKYMCAsmInfo.h"
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#include "CSKYMCCodeEmitter.h"
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#include "TargetInfo/CSKYTargetInfo.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/Support/TargetRegistry.h"
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#define GET_INSTRINFO_MC_DESC
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#include "CSKYGenInstrInfo.inc"
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#define GET_REGINFO_MC_DESC
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#include "CSKYGenRegisterInfo.inc"
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using namespace llvm;
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static MCAsmInfo *createCSKYMCAsmInfo(const MCRegisterInfo &MRI,
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const Triple &TT,
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const MCTargetOptions &Options) {
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MCAsmInfo *MAI = new CSKYMCAsmInfo(TT);
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// Initial state of the frame pointer is SP.
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unsigned Reg = MRI.getDwarfRegNum(CSKY::R14, true);
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MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0);
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MAI->addInitialFrameState(Inst);
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return MAI;
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}
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static MCInstrInfo *createCSKYMCInstrInfo() {
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MCInstrInfo *Info = new MCInstrInfo();
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InitCSKYMCInstrInfo(Info);
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return Info;
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}
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static MCRegisterInfo *createCSKYMCRegisterInfo(const Triple &TT) {
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MCRegisterInfo *Info = new MCRegisterInfo();
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InitCSKYMCRegisterInfo(Info, CSKY::R15);
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return Info;
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}
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extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeCSKYTargetMC() {
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auto &CSKYTarget = getTheCSKYTarget();
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TargetRegistry::RegisterMCAsmBackend(CSKYTarget, createCSKYAsmBackend);
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TargetRegistry::RegisterMCAsmInfo(CSKYTarget, createCSKYMCAsmInfo);
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TargetRegistry::RegisterMCInstrInfo(CSKYTarget, createCSKYMCInstrInfo);
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TargetRegistry::RegisterMCRegInfo(CSKYTarget, createCSKYMCRegisterInfo);
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TargetRegistry::RegisterMCCodeEmitter(CSKYTarget, createCSKYMCCodeEmitter);
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}
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