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 namespace llvm { 25 namespace SparcASITag { 26 #define GET_ASITagsList_IMPL 27 #include "SparcGenSearchableTables.inc" 28 } // end namespace SparcASITag 29 } // end namespace llvm 30 31 using namespace llvm; 32 33 #define GET_INSTRINFO_MC_DESC 34 #define ENABLE_INSTR_PREDICATE_VERIFIER 35 #include "SparcGenInstrInfo.inc" 36 37 #define GET_SUBTARGETINFO_MC_DESC 38 #include "SparcGenSubtargetInfo.inc" 39 40 #define GET_REGINFO_MC_DESC 41 #include "SparcGenRegisterInfo.inc" 42 43 static MCAsmInfo *createSparcMCAsmInfo(const MCRegisterInfo &MRI, 44 const Triple &TT, 45 const MCTargetOptions &Options) { 46 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT); 47 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true); 48 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 0); 49 MAI->addInitialFrameState(Inst); 50 return MAI; 51 } 52 53 static MCAsmInfo *createSparcV9MCAsmInfo(const MCRegisterInfo &MRI, 54 const Triple &TT, 55 const MCTargetOptions &Options) { 56 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT); 57 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true); 58 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, Reg, 2047); 59 MAI->addInitialFrameState(Inst); 60 return MAI; 61 } 62 63 static MCInstrInfo *createSparcMCInstrInfo() { 64 MCInstrInfo *X = new MCInstrInfo(); 65 InitSparcMCInstrInfo(X); 66 return X; 67 } 68 69 static MCRegisterInfo *createSparcMCRegisterInfo(const Triple &TT) { 70 MCRegisterInfo *X = new MCRegisterInfo(); 71 InitSparcMCRegisterInfo(X, SP::O7); 72 return X; 73 } 74 75 static MCSubtargetInfo * 76 createSparcMCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) { 77 if (CPU.empty()) 78 CPU = (TT.getArch() == Triple::sparcv9) ? "v9" : "v8"; 79 return createSparcMCSubtargetInfoImpl(TT, CPU, /*TuneCPU*/ CPU, FS); 80 } 81 82 static MCTargetStreamer * 83 createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) { 84 return new SparcTargetELFStreamer(S); 85 } 86 87 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S, 88 formatted_raw_ostream &OS, 89 MCInstPrinter *InstPrint, 90 bool isVerboseAsm) { 91 return new SparcTargetAsmStreamer(S, OS); 92 } 93 94 static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) { 95 return new SparcTargetStreamer(S); 96 } 97 98 static MCInstPrinter *createSparcMCInstPrinter(const Triple &T, 99 unsigned SyntaxVariant, 100 const MCAsmInfo &MAI, 101 const MCInstrInfo &MII, 102 const MCRegisterInfo &MRI) { 103 return new SparcInstPrinter(MAI, MII, MRI); 104 } 105 106 extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeSparcTargetMC() { 107 // Register the MC asm info. 108 RegisterMCAsmInfoFn X(getTheSparcTarget(), createSparcMCAsmInfo); 109 RegisterMCAsmInfoFn Y(getTheSparcV9Target(), createSparcV9MCAsmInfo); 110 RegisterMCAsmInfoFn Z(getTheSparcelTarget(), createSparcMCAsmInfo); 111 112 for (Target *T : 113 {&getTheSparcTarget(), &getTheSparcV9Target(), &getTheSparcelTarget()}) { 114 // Register the MC instruction info. 115 TargetRegistry::RegisterMCInstrInfo(*T, createSparcMCInstrInfo); 116 117 // Register the MC register info. 118 TargetRegistry::RegisterMCRegInfo(*T, createSparcMCRegisterInfo); 119 120 // Register the MC subtarget info. 121 TargetRegistry::RegisterMCSubtargetInfo(*T, createSparcMCSubtargetInfo); 122 123 // Register the MC Code Emitter. 124 TargetRegistry::RegisterMCCodeEmitter(*T, createSparcMCCodeEmitter); 125 126 // Register the asm backend. 127 TargetRegistry::RegisterMCAsmBackend(*T, createSparcAsmBackend); 128 129 // Register the object target streamer. 130 TargetRegistry::RegisterObjectTargetStreamer(*T, 131 createObjectTargetStreamer); 132 133 // Register the asm streamer. 134 TargetRegistry::RegisterAsmTargetStreamer(*T, createTargetAsmStreamer); 135 136 // Register the null streamer. 137 TargetRegistry::RegisterNullTargetStreamer(*T, createNullTargetStreamer); 138 139 // Register the MCInstPrinter 140 TargetRegistry::RegisterMCInstPrinter(*T, createSparcMCInstPrinter); 141 } 142 } 143