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