lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp

   1 //===-- MipsMCTargetDesc.cpp - Mips Target Descriptions ---------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file provides Mips specific target descriptions.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #include "MipsMCAsmInfo.h"
  15 #include "MipsMCTargetDesc.h"
  16 #include "InstPrinter/MipsInstPrinter.h"
  17 #include "llvm/MC/MachineLocation.h"
  18 #include "llvm/MC/MCCodeGenInfo.h"
  19 #include "llvm/MC/MCInstrInfo.h"
  20 #include "llvm/MC/MCRegisterInfo.h"
  21 #include "llvm/MC/MCStreamer.h"
  22 #include "llvm/MC/MCSubtargetInfo.h"
  23 #include "llvm/Support/TargetRegistry.h"
  24
  25 #define GET_INSTRINFO_MC_DESC
  26 #include "MipsGenInstrInfo.inc"
  27
  28 #define GET_SUBTARGETINFO_MC_DESC
  29 #include "MipsGenSubtargetInfo.inc"
  30
  31 #define GET_REGINFO_MC_DESC
  32 #include "MipsGenRegisterInfo.inc"
  33
  34 using namespace llvm;
  35
  36 static MCInstrInfo *createMipsMCInstrInfo() {
  37   MCInstrInfo *X = new MCInstrInfo();
  38   InitMipsMCInstrInfo(X);
  39   return X;
  40 }
  41
  42 static MCRegisterInfo *createMipsMCRegisterInfo(StringRef TT) {
  43   MCRegisterInfo *X = new MCRegisterInfo();
  44   InitMipsMCRegisterInfo(X, Mips::RA);
  45   return X;
  46 }
  47
  48 static MCSubtargetInfo *createMipsMCSubtargetInfo(StringRef TT, StringRef CPU,
  49                                                   StringRef FS) {
  50   MCSubtargetInfo *X = new MCSubtargetInfo();
  51   InitMipsMCSubtargetInfo(X, TT, CPU, FS);
  52   return X;
  53 }
  54
  55 static MCAsmInfo *createMipsMCAsmInfo(const Target &T, StringRef TT) {
  56   MCAsmInfo *MAI = new MipsMCAsmInfo(T, TT);
  57
  58   MachineLocation Dst(MachineLocation::VirtualFP);
  59   MachineLocation Src(Mips::SP, 0);
  60   MAI->addInitialFrameState(0, Dst, Src);
  61
  62   return MAI;
  63 }
  64
  65 static MCCodeGenInfo *createMipsMCCodeGenInfo(StringRef TT, Reloc::Model RM,
  66                                               CodeModel::Model CM,
  67                                               CodeGenOpt::Level OL) {
  68   MCCodeGenInfo *X = new MCCodeGenInfo();
  69   if (RM == Reloc::Default)
  70     RM = Reloc::PIC_;
  71   X->InitMCCodeGenInfo(RM, CM, OL);
  72   return X;
  73 }
  74
  75 static MCInstPrinter *createMipsMCInstPrinter(const Target &T,
  76                                               unsigned SyntaxVariant,
  77                                               const MCAsmInfo &MAI,
  78                                               const MCSubtargetInfo &STI) {
  79   return new MipsInstPrinter(MAI);
  80 }
  81
  82 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
  83                                     MCContext &Ctx, MCAsmBackend &MAB,
  84                                     raw_ostream &_OS,
  85                                     MCCodeEmitter *_Emitter,
  86                                     bool RelaxAll,
  87                                     bool NoExecStack) {
  88   Triple TheTriple(TT);
  89
  90   return createELFStreamer(Ctx, MAB, _OS, _Emitter, RelaxAll, NoExecStack);
  91 }
  92
  93 extern "C" void LLVMInitializeMipsTargetMC() {
  94   // Register the MC asm info.
  95   RegisterMCAsmInfoFn X(TheMipsTarget, createMipsMCAsmInfo);
  96   RegisterMCAsmInfoFn Y(TheMipselTarget, createMipsMCAsmInfo);
  97   RegisterMCAsmInfoFn A(TheMips64Target, createMipsMCAsmInfo);
  98   RegisterMCAsmInfoFn B(TheMips64elTarget, createMipsMCAsmInfo);
  99
 100   // Register the MC codegen info.
 101   TargetRegistry::RegisterMCCodeGenInfo(TheMipsTarget,
 102                                         createMipsMCCodeGenInfo);
 103   TargetRegistry::RegisterMCCodeGenInfo(TheMipselTarget,
 104                                         createMipsMCCodeGenInfo);
 105   TargetRegistry::RegisterMCCodeGenInfo(TheMips64Target,
 106                                         createMipsMCCodeGenInfo);
 107   TargetRegistry::RegisterMCCodeGenInfo(TheMips64elTarget,
 108                                         createMipsMCCodeGenInfo);
 109
 110   // Register the MC instruction info.
 111   TargetRegistry::RegisterMCInstrInfo(TheMipsTarget, createMipsMCInstrInfo);
 112   TargetRegistry::RegisterMCInstrInfo(TheMipselTarget, createMipsMCInstrInfo);
 113   TargetRegistry::RegisterMCInstrInfo(TheMips64Target, createMipsMCInstrInfo);
 114   TargetRegistry::RegisterMCInstrInfo(TheMips64elTarget, createMipsMCInstrInfo);
 115
 116   // Register the MC register info.
 117   TargetRegistry::RegisterMCRegInfo(TheMipsTarget, createMipsMCRegisterInfo);
 118   TargetRegistry::RegisterMCRegInfo(TheMipselTarget, createMipsMCRegisterInfo);
 119   TargetRegistry::RegisterMCRegInfo(TheMips64Target, createMipsMCRegisterInfo);
 120   TargetRegistry::RegisterMCRegInfo(TheMips64elTarget,
 121                                     createMipsMCRegisterInfo);
 122
 123   // Register the MC Code Emitter
 124   TargetRegistry::RegisterMCCodeEmitter(TheMipsTarget, createMipsMCCodeEmitter);
 125   TargetRegistry::RegisterMCCodeEmitter(TheMipselTarget,
 126                                         createMipsMCCodeEmitter);
 127   TargetRegistry::RegisterMCCodeEmitter(TheMips64Target,
 128                                         createMipsMCCodeEmitter);
 129   TargetRegistry::RegisterMCCodeEmitter(TheMips64elTarget,
 130                                         createMipsMCCodeEmitter);
 131
 132   // Register the object streamer.
 133   TargetRegistry::RegisterMCObjectStreamer(TheMipsTarget, createMCStreamer);
 134   TargetRegistry::RegisterMCObjectStreamer(TheMipselTarget, createMCStreamer);
 135   TargetRegistry::RegisterMCObjectStreamer(TheMips64Target, createMCStreamer);
 136   TargetRegistry::RegisterMCObjectStreamer(TheMips64elTarget, createMCStreamer);
 137
 138   // Register the asm backend.
 139   TargetRegistry::RegisterMCAsmBackend(TheMipsTarget, createMipsAsmBackend);
 140   TargetRegistry::RegisterMCAsmBackend(TheMipselTarget, createMipsAsmBackend);
 141   TargetRegistry::RegisterMCAsmBackend(TheMips64Target, createMipsAsmBackend);
 142   TargetRegistry::RegisterMCAsmBackend(TheMips64elTarget, createMipsAsmBackend);
 143
 144   TargetRegistry::RegisterMCCodeEmitter(TheMipsTarget, createMipsMCCodeEmitter);
 145   TargetRegistry::RegisterMCCodeEmitter(TheMipselTarget,
 146                                         createMipsMCCodeEmitter);
 147
 148   // Register the MC subtarget info.
 149   TargetRegistry::RegisterMCSubtargetInfo(TheMipsTarget,
 150                                           createMipsMCSubtargetInfo);
 151   TargetRegistry::RegisterMCSubtargetInfo(TheMipselTarget,
 152                                           createMipsMCSubtargetInfo);
 153   TargetRegistry::RegisterMCSubtargetInfo(TheMips64Target,
 154                                           createMipsMCSubtargetInfo);
 155   TargetRegistry::RegisterMCSubtargetInfo(TheMips64elTarget,
 156                                           createMipsMCSubtargetInfo);
 157
 158   // Register the MCInstPrinter.
 159   TargetRegistry::RegisterMCInstPrinter(TheMipsTarget,
 160                                         createMipsMCInstPrinter);
 161   TargetRegistry::RegisterMCInstPrinter(TheMipselTarget,
 162                                         createMipsMCInstPrinter);
 163   TargetRegistry::RegisterMCInstPrinter(TheMips64Target,
 164                                         createMipsMCInstPrinter);
 165   TargetRegistry::RegisterMCInstPrinter(TheMips64elTarget,
 166                                         createMipsMCInstPrinter);
 167 }