1 //===-- AVRMCTargetDesc.cpp - AVR Target Descriptions ---------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // This file provides AVR specific target descriptions. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "AVRELFStreamer.h" 14 #include "AVRInstPrinter.h" 15 #include "AVRMCAsmInfo.h" 16 #include "AVRMCELFStreamer.h" 17 #include "AVRMCTargetDesc.h" 18 #include "AVRTargetStreamer.h" 19 #include "TargetInfo/AVRTargetInfo.h" 20 21 #include "llvm/MC/MCAsmBackend.h" 22 #include "llvm/MC/MCELFStreamer.h" 23 #include "llvm/MC/MCCodeEmitter.h" 24 #include "llvm/MC/MCInstrInfo.h" 25 #include "llvm/MC/MCRegisterInfo.h" 26 #include "llvm/MC/MCSubtargetInfo.h" 27 #include "llvm/Support/TargetRegistry.h" 28 29 #define GET_INSTRINFO_MC_DESC 30 #include "AVRGenInstrInfo.inc" 31 32 #define GET_SUBTARGETINFO_MC_DESC 33 #include "AVRGenSubtargetInfo.inc" 34 35 #define GET_REGINFO_MC_DESC 36 #include "AVRGenRegisterInfo.inc" 37 38 using namespace llvm; 39 40 MCInstrInfo *llvm::createAVRMCInstrInfo() { 41 MCInstrInfo *X = new MCInstrInfo(); 42 InitAVRMCInstrInfo(X); 43 44 return X; 45 } 46 47 static MCRegisterInfo *createAVRMCRegisterInfo(const Triple &TT) { 48 MCRegisterInfo *X = new MCRegisterInfo(); 49 InitAVRMCRegisterInfo(X, 0); 50 51 return X; 52 } 53 54 static MCSubtargetInfo *createAVRMCSubtargetInfo(const Triple &TT, 55 StringRef CPU, StringRef FS) { 56 return createAVRMCSubtargetInfoImpl(TT, CPU, FS); 57 } 58 59 static MCInstPrinter *createAVRMCInstPrinter(const Triple &T, 60 unsigned SyntaxVariant, 61 const MCAsmInfo &MAI, 62 const MCInstrInfo &MII, 63 const MCRegisterInfo &MRI) { 64 if (SyntaxVariant == 0) { 65 return new AVRInstPrinter(MAI, MII, MRI); 66 } 67 68 return nullptr; 69 } 70 71 static MCStreamer *createMCStreamer(const Triple &T, MCContext &Context, 72 std::unique_ptr<MCAsmBackend> &&MAB, 73 std::unique_ptr<MCObjectWriter> &&OW, 74 std::unique_ptr<MCCodeEmitter> &&Emitter, 75 bool RelaxAll) { 76 return createELFStreamer(Context, std::move(MAB), std::move(OW), 77 std::move(Emitter), RelaxAll); 78 } 79 80 static MCTargetStreamer * 81 createAVRObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) { 82 return new AVRELFStreamer(S, STI); 83 } 84 85 static MCTargetStreamer *createMCAsmTargetStreamer(MCStreamer &S, 86 formatted_raw_ostream &OS, 87 MCInstPrinter *InstPrint, 88 bool isVerboseAsm) { 89 return new AVRTargetAsmStreamer(S); 90 } 91 92 extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeAVRTargetMC() { 93 // Register the MC asm info. 94 RegisterMCAsmInfo<AVRMCAsmInfo> X(getTheAVRTarget()); 95 96 // Register the MC instruction info. 97 TargetRegistry::RegisterMCInstrInfo(getTheAVRTarget(), createAVRMCInstrInfo); 98 99 // Register the MC register info. 100 TargetRegistry::RegisterMCRegInfo(getTheAVRTarget(), createAVRMCRegisterInfo); 101 102 // Register the MC subtarget info. 103 TargetRegistry::RegisterMCSubtargetInfo(getTheAVRTarget(), 104 createAVRMCSubtargetInfo); 105 106 // Register the MCInstPrinter. 107 TargetRegistry::RegisterMCInstPrinter(getTheAVRTarget(), 108 createAVRMCInstPrinter); 109 110 // Register the MC Code Emitter 111 TargetRegistry::RegisterMCCodeEmitter(getTheAVRTarget(), createAVRMCCodeEmitter); 112 113 // Register the obj streamer 114 TargetRegistry::RegisterELFStreamer(getTheAVRTarget(), createMCStreamer); 115 116 // Register the obj target streamer. 117 TargetRegistry::RegisterObjectTargetStreamer(getTheAVRTarget(), 118 createAVRObjectTargetStreamer); 119 120 // Register the asm target streamer. 121 TargetRegistry::RegisterAsmTargetStreamer(getTheAVRTarget(), 122 createMCAsmTargetStreamer); 123 124 // Register the asm backend (as little endian). 125 TargetRegistry::RegisterMCAsmBackend(getTheAVRTarget(), createAVRAsmBackend); 126 } 127 128