lib/Target/AVR/MCTargetDesc/AVRMCTargetDesc.cpp

   1 //===-- AVRMCTargetDesc.cpp - AVR 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 AVR specific target descriptions.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #include "AVRELFStreamer.h"
  14 #include "AVRInstPrinter.h"
  15 #include "AVRMCAsmInfo.h"
  16 #include "AVRMCELFStreamer.h"
  17 #include "AVRMCTargetDesc.h"
  18 #include "AVRTargetStreamer.h"
  19 #include "TargetInfo/AVRTargetInfo.h"
  20
  21 #include "llvm/MC/MCAsmBackend.h"
  22 #include "llvm/MC/MCELFStreamer.h"
  23 #include "llvm/MC/MCCodeEmitter.h"
  24 #include "llvm/MC/MCInstrInfo.h"
  25 #include "llvm/MC/MCRegisterInfo.h"
  26 #include "llvm/MC/MCSubtargetInfo.h"
  27 #include "llvm/Support/TargetRegistry.h"
  28
  29 #define GET_INSTRINFO_MC_DESC
  30 #include "AVRGenInstrInfo.inc"
  31
  32 #define GET_SUBTARGETINFO_MC_DESC
  33 #include "AVRGenSubtargetInfo.inc"
  34
  35 #define GET_REGINFO_MC_DESC
  36 #include "AVRGenRegisterInfo.inc"
  37
  38 using namespace llvm;
  39
  40 MCInstrInfo *llvm::createAVRMCInstrInfo() {
  41   MCInstrInfo *X = new MCInstrInfo();
  42   InitAVRMCInstrInfo(X);
  43
  44   return X;
  45 }
  46
  47 static MCRegisterInfo *createAVRMCRegisterInfo(const Triple &TT) {
  48   MCRegisterInfo *X = new MCRegisterInfo();
  49   InitAVRMCRegisterInfo(X, 0);
  50
  51   return X;
  52 }
  53
  54 static MCSubtargetInfo *createAVRMCSubtargetInfo(const Triple &TT,
  55                                                  StringRef CPU, StringRef FS) {
  56   return createAVRMCSubtargetInfoImpl(TT, CPU, FS);
  57 }
  58
  59 static MCInstPrinter *createAVRMCInstPrinter(const Triple &T,
  60                                              unsigned SyntaxVariant,
  61                                              const MCAsmInfo &MAI,
  62                                              const MCInstrInfo &MII,
  63                                              const MCRegisterInfo &MRI) {
  64   if (SyntaxVariant == 0) {
  65     return new AVRInstPrinter(MAI, MII, MRI);
  66   }
  67
  68   return nullptr;
  69 }
  70
  71 static MCStreamer *createMCStreamer(const Triple &T, MCContext &Context,
  72                                     std::unique_ptr<MCAsmBackend> &&MAB,
  73                                     std::unique_ptr<MCObjectWriter> &&OW,
  74                                     std::unique_ptr<MCCodeEmitter> &&Emitter,
  75                                     bool RelaxAll) {
  76   return createELFStreamer(Context, std::move(MAB), std::move(OW),
  77                            std::move(Emitter), RelaxAll);
  78 }
  79
  80 static MCTargetStreamer *
  81 createAVRObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) {
  82   return new AVRELFStreamer(S, STI);
  83 }
  84
  85 static MCTargetStreamer *createMCAsmTargetStreamer(MCStreamer &S,
  86                                                    formatted_raw_ostream &OS,
  87                                                    MCInstPrinter *InstPrint,
  88                                                    bool isVerboseAsm) {
  89   return new AVRTargetAsmStreamer(S);
  90 }
  91
  92 extern "C" void LLVMInitializeAVRTargetMC() {
  93   // Register the MC asm info.
  94   RegisterMCAsmInfo<AVRMCAsmInfo> X(getTheAVRTarget());
  95
  96   // Register the MC instruction info.
  97   TargetRegistry::RegisterMCInstrInfo(getTheAVRTarget(), createAVRMCInstrInfo);
  98
  99   // Register the MC register info.
 100   TargetRegistry::RegisterMCRegInfo(getTheAVRTarget(), createAVRMCRegisterInfo);
 101
 102   // Register the MC subtarget info.
 103   TargetRegistry::RegisterMCSubtargetInfo(getTheAVRTarget(),
 104                                           createAVRMCSubtargetInfo);
 105
 106   // Register the MCInstPrinter.
 107   TargetRegistry::RegisterMCInstPrinter(getTheAVRTarget(),
 108                                         createAVRMCInstPrinter);
 109
 110   // Register the MC Code Emitter
 111   TargetRegistry::RegisterMCCodeEmitter(getTheAVRTarget(), createAVRMCCodeEmitter);
 112
 113   // Register the obj streamer
 114   TargetRegistry::RegisterELFStreamer(getTheAVRTarget(), createMCStreamer);
 115
 116   // Register the obj target streamer.
 117   TargetRegistry::RegisterObjectTargetStreamer(getTheAVRTarget(),
 118                                                createAVRObjectTargetStreamer);
 119
 120   // Register the asm target streamer.
 121   TargetRegistry::RegisterAsmTargetStreamer(getTheAVRTarget(),
 122                                             createMCAsmTargetStreamer);
 123
 124   // Register the asm backend (as little endian).
 125   TargetRegistry::RegisterMCAsmBackend(getTheAVRTarget(), createAVRAsmBackend);
 126 }
 127