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 #define ENABLE_INSTR_PREDICATE_VERIFIER 28 #include "SparcGenInstrInfo.inc" 29 30 #define GET_SUBTARGETINFO_MC_DESC 31 #include "SparcGenSubtargetInfo.inc" 32 33 #define GET_REGINFO_MC_DESC 34 #include "SparcGenRegisterInfo.inc" 35 36 static MCAsmInfo *createSparcMCAsmInfo(const MCRegisterInfo &MRI, 37 const Triple &TT, 38 const MCTargetOptions &Options) { 39 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT); 40 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true); 41 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0); 42 MAI->addInitialFrameState(Inst); 43 return MAI; 44 } 45 46 static MCAsmInfo *createSparcV9MCAsmInfo(const MCRegisterInfo &MRI, 47 const Triple &TT, 48 const MCTargetOptions &Options) { 49 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT); 50 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true); 51 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 2047); 52 MAI->addInitialFrameState(Inst); 53 return MAI; 54 } 55 56 static MCInstrInfo *createSparcMCInstrInfo() { 57 MCInstrInfo *X = new MCInstrInfo(); 58 InitSparcMCInstrInfo(X); 59 return X; 60 } 61 62 static MCRegisterInfo *createSparcMCRegisterInfo(const Triple &TT) { 63 MCRegisterInfo *X = new MCRegisterInfo(); 64 InitSparcMCRegisterInfo(X, SP::O7); 65 return X; 66 } 67 68 static MCSubtargetInfo * 69 createSparcMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) { 70 if (CPU.empty()) 71 CPU = (TT.getArch() == Triple::sparcv9) ? "v9" : "v8"; 72 return createSparcMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS); 73 } 74 75 static MCTargetStreamer * 76 createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) { 77 return new SparcTargetELFStreamer(S); 78 } 79 80 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S, 81 formatted_raw_ostream &OS, 82 MCInstPrinter *InstPrint, 83 bool isVerboseAsm) { 84 return new SparcTargetAsmStreamer(S, OS); 85 } 86 87 static MCInstPrinter *createSparcMCInstPrinter(const Triple &T, 88 unsigned SyntaxVariant, 89 const MCAsmInfo &MAI, 90 const MCInstrInfo &MII, 91 const MCRegisterInfo &MRI) { 92 return new SparcInstPrinter(MAI, MII, MRI); 93 } 94 95 extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeSparcTargetMC() { 96 // Register the MC asm info. 97 RegisterMCAsmInfoFn X(getTheSparcTarget(), createSparcMCAsmInfo); 98 RegisterMCAsmInfoFn Y(getTheSparcV9Target(), createSparcV9MCAsmInfo); 99 RegisterMCAsmInfoFn Z(getTheSparcelTarget(), createSparcMCAsmInfo); 100 101 for (Target *T : 102 {&getTheSparcTarget(), &getTheSparcV9Target(), &getTheSparcelTarget()}) { 103 // Register the MC instruction info. 104 TargetRegistry::RegisterMCInstrInfo(*T, createSparcMCInstrInfo); 105 106 // Register the MC register info. 107 TargetRegistry::RegisterMCRegInfo(*T, createSparcMCRegisterInfo); 108 109 // Register the MC subtarget info. 110 TargetRegistry::RegisterMCSubtargetInfo(*T, createSparcMCSubtargetInfo); 111 112 // Register the MC Code Emitter. 113 TargetRegistry::RegisterMCCodeEmitter(*T, createSparcMCCodeEmitter); 114 115 // Register the asm backend. 116 TargetRegistry::RegisterMCAsmBackend(*T, createSparcAsmBackend); 117 118 // Register the object target streamer. 119 TargetRegistry::RegisterObjectTargetStreamer(*T, 120 createObjectTargetStreamer); 121 122 // Register the asm streamer. 123 TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer); 124 125 // Register the MCInstPrinter 126 TargetRegistry::RegisterMCInstPrinter(*T, createSparcMCInstPrinter); 127 } 128 } 129