1 //===-- SparcMCTargetDesc.cpp - Sparc 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 Sparc specific target descriptions. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "SparcMCTargetDesc.h" 14 #include "SparcInstPrinter.h" 15 #include "SparcMCAsmInfo.h" 16 #include "SparcTargetStreamer.h" 17 #include "TargetInfo/SparcTargetInfo.h" 18 #include "llvm/MC/MCInstrInfo.h" 19 #include "llvm/MC/MCRegisterInfo.h" 20 #include "llvm/MC/MCSubtargetInfo.h" 21 #include "llvm/MC/TargetRegistry.h" 22 #include "llvm/Support/ErrorHandling.h" 23 24 using namespace llvm; 25 26 #define GET_INSTRINFO_MC_DESC 27 #include "SparcGenInstrInfo.inc" 28 29 #define GET_SUBTARGETINFO_MC_DESC 30 #include "SparcGenSubtargetInfo.inc" 31 32 #define GET_REGINFO_MC_DESC 33 #include "SparcGenRegisterInfo.inc" 34 35 static MCAsmInfo *createSparcMCAsmInfo(const MCRegisterInfo &MRI, 36 const Triple &TT, 37 const MCTargetOptions &Options) { 38 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT); 39 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true); 40 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0); 41 MAI->addInitialFrameState(Inst); 42 return MAI; 43 } 44 45 static MCAsmInfo *createSparcV9MCAsmInfo(const MCRegisterInfo &MRI, 46 const Triple &TT, 47 const MCTargetOptions &Options) { 48 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT); 49 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true); 50 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 2047); 51 MAI->addInitialFrameState(Inst); 52 return MAI; 53 } 54 55 static MCInstrInfo *createSparcMCInstrInfo() { 56 MCInstrInfo *X = new MCInstrInfo(); 57 InitSparcMCInstrInfo(X); 58 return X; 59 } 60 61 static MCRegisterInfo *createSparcMCRegisterInfo(const Triple &TT) { 62 MCRegisterInfo *X = new MCRegisterInfo(); 63 InitSparcMCRegisterInfo(X, SP::O7); 64 return X; 65 } 66 67 static MCSubtargetInfo * 68 createSparcMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) { 69 if (CPU.empty()) 70 CPU = (TT.getArch() == Triple::sparcv9) ? "v9" : "v8"; 71 return createSparcMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS); 72 } 73 74 static MCTargetStreamer * 75 createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) { 76 return new SparcTargetELFStreamer(S); 77 } 78 79 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S, 80 formatted_raw_ostream &OS, 81 MCInstPrinter *InstPrint, 82 bool isVerboseAsm) { 83 return new SparcTargetAsmStreamer(S, OS); 84 } 85 86 static MCInstPrinter *createSparcMCInstPrinter(const Triple &T, 87 unsigned SyntaxVariant, 88 const MCAsmInfo &MAI, 89 const MCInstrInfo &MII, 90 const MCRegisterInfo &MRI) { 91 return new SparcInstPrinter(MAI, MII, MRI); 92 } 93 94 extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeSparcTargetMC() { 95 // Register the MC asm info. 96 RegisterMCAsmInfoFn X(getTheSparcTarget(), createSparcMCAsmInfo); 97 RegisterMCAsmInfoFn Y(getTheSparcV9Target(), createSparcV9MCAsmInfo); 98 RegisterMCAsmInfoFn Z(getTheSparcelTarget(), createSparcMCAsmInfo); 99 100 for (Target *T : 101 {&getTheSparcTarget(), &getTheSparcV9Target(), &getTheSparcelTarget()}) { 102 // Register the MC instruction info. 103 TargetRegistry::RegisterMCInstrInfo(*T, createSparcMCInstrInfo); 104 105 // Register the MC register info. 106 TargetRegistry::RegisterMCRegInfo(*T, createSparcMCRegisterInfo); 107 108 // Register the MC subtarget info. 109 TargetRegistry::RegisterMCSubtargetInfo(*T, createSparcMCSubtargetInfo); 110 111 // Register the MC Code Emitter. 112 TargetRegistry::RegisterMCCodeEmitter(*T, createSparcMCCodeEmitter); 113 114 // Register the asm backend. 115 TargetRegistry::RegisterMCAsmBackend(*T, createSparcAsmBackend); 116 117 // Register the object target streamer. 118 TargetRegistry::RegisterObjectTargetStreamer(*T, 119 createObjectTargetStreamer); 120 121 // Register the asm streamer. 122 TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer); 123 124 // Register the MCInstPrinter 125 TargetRegistry::RegisterMCInstPrinter(*T, createSparcMCInstPrinter); 126 } 127 } 128