1 //===- ARCMCTargetDesc.cpp - ARC Target Descriptions ------------*- C++ -*-===// 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 ARC specific target descriptions. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #include "ARCMCTargetDesc.h" 14 #include "ARCInstPrinter.h" 15 #include "ARCMCAsmInfo.h" 16 #include "ARCTargetStreamer.h" 17 #include "TargetInfo/ARCTargetInfo.h" 18 #include "llvm/MC/MCDwarf.h" 19 #include "llvm/MC/MCInstrInfo.h" 20 #include "llvm/MC/MCRegisterInfo.h" 21 #include "llvm/MC/MCSubtargetInfo.h" 22 #include "llvm/MC/TargetRegistry.h" 23 #include "llvm/Support/ErrorHandling.h" 24 #include "llvm/Support/FormattedStream.h" 25 26 using namespace llvm; 27 28 #define GET_INSTRINFO_MC_DESC 29 #define ENABLE_INSTR_PREDICATE_VERIFIER 30 #include "ARCGenInstrInfo.inc" 31 32 #define GET_SUBTARGETINFO_MC_DESC 33 #include "ARCGenSubtargetInfo.inc" 34 35 #define GET_REGINFO_MC_DESC 36 #include "ARCGenRegisterInfo.inc" 37 38 static MCInstrInfo *createARCMCInstrInfo() { 39 auto *X = new MCInstrInfo(); 40 InitARCMCInstrInfo(X); 41 return X; 42 } 43 44 static MCRegisterInfo *createARCMCRegisterInfo(const Triple &TT) { 45 auto *X = new MCRegisterInfo(); 46 InitARCMCRegisterInfo(X, ARC::BLINK); 47 return X; 48 } 49 50 static MCSubtargetInfo *createARCMCSubtargetInfo(const Triple &TT, 51 StringRef CPU, StringRef FS) { 52 return createARCMCSubtargetInfoImpl(TT, CPU, /*TuneCPU=*/CPU, FS); 53 } 54 55 static MCAsmInfo *createARCMCAsmInfo(const MCRegisterInfo &MRI, 56 const Triple &TT, 57 const MCTargetOptions &Options) { 58 MCAsmInfo *MAI = new ARCMCAsmInfo(TT); 59 60 // Initial state of the frame pointer is SP. 61 MCCFIInstruction Inst = MCCFIInstruction::cfiDefCfa(nullptr, ARC::SP, 0); 62 MAI->addInitialFrameState(Inst); 63 64 return MAI; 65 } 66 67 static MCInstPrinter *createARCMCInstPrinter(const Triple &T, 68 unsigned SyntaxVariant, 69 const MCAsmInfo &MAI, 70 const MCInstrInfo &MII, 71 const MCRegisterInfo &MRI) { 72 return new ARCInstPrinter(MAI, MII, MRI); 73 } 74 75 ARCTargetStreamer::ARCTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {} 76 ARCTargetStreamer::~ARCTargetStreamer() = default; 77 78 static MCTargetStreamer *createTargetAsmStreamer(MCStreamer &S, 79 formatted_raw_ostream &OS, 80 MCInstPrinter *InstPrint) { 81 return new ARCTargetStreamer(S); 82 } 83 84 // Force static initialization. 85 extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializeARCTargetMC() { 86 // Register the MC asm info. 87 Target &TheARCTarget = getTheARCTarget(); 88 RegisterMCAsmInfoFn X(TheARCTarget, createARCMCAsmInfo); 89 90 // Register the MC instruction info. 91 TargetRegistry::RegisterMCInstrInfo(TheARCTarget, createARCMCInstrInfo); 92 93 // Register the MC register info. 94 TargetRegistry::RegisterMCRegInfo(TheARCTarget, createARCMCRegisterInfo); 95 96 // Register the MC subtarget info. 97 TargetRegistry::RegisterMCSubtargetInfo(TheARCTarget, 98 createARCMCSubtargetInfo); 99 100 // Register the MCInstPrinter 101 TargetRegistry::RegisterMCInstPrinter(TheARCTarget, createARCMCInstPrinter); 102 103 TargetRegistry::RegisterAsmTargetStreamer(TheARCTarget, 104 createTargetAsmStreamer); 105 } 106