lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp

   1 //===-- MipsMCTargetDesc.cpp - Mips Target Descriptions -------------------===//
   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/ErrorHandling.h"
  24 #include "llvm/Support/TargetRegistry.h"
  25
  26 #define GET_INSTRINFO_MC_DESC
  27 #include "MipsGenInstrInfo.inc"
  28
  29 #define GET_SUBTARGETINFO_MC_DESC
  30 #include "MipsGenSubtargetInfo.inc"
  31
  32 #define GET_REGINFO_MC_DESC
  33 #include "MipsGenRegisterInfo.inc"
  34
  35 using namespace llvm;
  36
  37 static MCInstrInfo *createMipsMCInstrInfo() {
  38   MCInstrInfo *X = new MCInstrInfo();
  39   InitMipsMCInstrInfo(X);
  40   return X;
  41 }
  42
  43 static MCRegisterInfo *createMipsMCRegisterInfo(StringRef TT) {
  44   MCRegisterInfo *X = new MCRegisterInfo();
  45   InitMipsMCRegisterInfo(X, Mips::RA);
  46   return X;
  47 }
  48
  49 static MCSubtargetInfo *createMipsMCSubtargetInfo(StringRef TT, StringRef CPU,
  50                                                   StringRef FS) {
  51   MCSubtargetInfo *X = new MCSubtargetInfo();
  52   InitMipsMCSubtargetInfo(X, TT, CPU, FS);
  53   return X;
  54 }
  55
  56 static MCAsmInfo *createMipsMCAsmInfo(const Target &T, StringRef TT) {
  57   MCAsmInfo *MAI = new MipsMCAsmInfo(T, TT);
  58
  59   MachineLocation Dst(MachineLocation::VirtualFP);
  60   MachineLocation Src(Mips::SP, 0);
  61   MAI->addInitialFrameState(0, Dst, Src);
  62
  63   return MAI;
  64 }
  65
  66 static MCCodeGenInfo *createMipsMCCodeGenInfo(StringRef TT, Reloc::Model RM,
  67                                               CodeModel::Model CM,
  68                                               CodeGenOpt::Level OL) {
  69   MCCodeGenInfo *X = new MCCodeGenInfo();
  70   if (CM == CodeModel::JITDefault)
  71     RM = Reloc::Static;
  72   else if (RM == Reloc::Default)
  73     RM = Reloc::PIC_;
  74   X->InitMCCodeGenInfo(RM, CM, OL);
  75   return X;
  76 }
  77
  78 static MCInstPrinter *createMipsMCInstPrinter(const Target &T,
  79                                               unsigned SyntaxVariant,
  80                                               const MCAsmInfo &MAI,
  81                                               const MCInstrInfo &MII,
  82                                               const MCRegisterInfo &MRI,
  83                                               const MCSubtargetInfo &STI) {
  84   return new MipsInstPrinter(MAI, MII, MRI);
  85 }
  86
  87 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
  88                                     MCContext &Ctx, MCAsmBackend &MAB,
  89                                     raw_ostream &_OS,
  90                                     MCCodeEmitter *_Emitter,
  91                                     bool RelaxAll,
  92                                     bool NoExecStack) {
  93   Triple TheTriple(TT);
  94
  95   return createELFStreamer(Ctx, MAB, _OS, _Emitter, RelaxAll, NoExecStack);
  96 }
  97
  98 extern "C" void LLVMInitializeMipsTargetMC() {
  99   // Register the MC asm info.
 100   RegisterMCAsmInfoFn X(TheMipsTarget, createMipsMCAsmInfo);
 101   RegisterMCAsmInfoFn Y(TheMipselTarget, createMipsMCAsmInfo);
 102   RegisterMCAsmInfoFn A(TheMips64Target, createMipsMCAsmInfo);
 103   RegisterMCAsmInfoFn B(TheMips64elTarget, createMipsMCAsmInfo);
 104
 105   // Register the MC codegen info.
 106   TargetRegistry::RegisterMCCodeGenInfo(TheMipsTarget,
 107                                         createMipsMCCodeGenInfo);
 108   TargetRegistry::RegisterMCCodeGenInfo(TheMipselTarget,
 109                                         createMipsMCCodeGenInfo);
 110   TargetRegistry::RegisterMCCodeGenInfo(TheMips64Target,
 111                                         createMipsMCCodeGenInfo);
 112   TargetRegistry::RegisterMCCodeGenInfo(TheMips64elTarget,
 113                                         createMipsMCCodeGenInfo);
 114
 115   // Register the MC instruction info.
 116   TargetRegistry::RegisterMCInstrInfo(TheMipsTarget, createMipsMCInstrInfo);
 117   TargetRegistry::RegisterMCInstrInfo(TheMipselTarget, createMipsMCInstrInfo);
 118   TargetRegistry::RegisterMCInstrInfo(TheMips64Target, createMipsMCInstrInfo);
 119   TargetRegistry::RegisterMCInstrInfo(TheMips64elTarget,
 120                                       createMipsMCInstrInfo);
 121
 122   // Register the MC register info.
 123   TargetRegistry::RegisterMCRegInfo(TheMipsTarget, createMipsMCRegisterInfo);
 124   TargetRegistry::RegisterMCRegInfo(TheMipselTarget, createMipsMCRegisterInfo);
 125   TargetRegistry::RegisterMCRegInfo(TheMips64Target, createMipsMCRegisterInfo);
 126   TargetRegistry::RegisterMCRegInfo(TheMips64elTarget,
 127                                     createMipsMCRegisterInfo);
 128
 129   // Register the MC Code Emitter
 130   TargetRegistry::RegisterMCCodeEmitter(TheMipsTarget,
 131                                         createMipsMCCodeEmitterEB);
 132   TargetRegistry::RegisterMCCodeEmitter(TheMipselTarget,
 133                                         createMipsMCCodeEmitterEL);
 134   TargetRegistry::RegisterMCCodeEmitter(TheMips64Target,
 135                                         createMipsMCCodeEmitterEB);
 136   TargetRegistry::RegisterMCCodeEmitter(TheMips64elTarget,
 137                                         createMipsMCCodeEmitterEL);
 138
 139   // Register the object streamer.
 140   TargetRegistry::RegisterMCObjectStreamer(TheMipsTarget, createMCStreamer);
 141   TargetRegistry::RegisterMCObjectStreamer(TheMipselTarget, createMCStreamer);
 142   TargetRegistry::RegisterMCObjectStreamer(TheMips64Target, createMCStreamer);
 143   TargetRegistry::RegisterMCObjectStreamer(TheMips64elTarget,
 144                                            createMCStreamer);
 145
 146   // Register the asm backend.
 147   TargetRegistry::RegisterMCAsmBackend(TheMipsTarget,
 148                                        createMipsAsmBackendEB32);
 149   TargetRegistry::RegisterMCAsmBackend(TheMipselTarget,
 150                                        createMipsAsmBackendEL32);
 151   TargetRegistry::RegisterMCAsmBackend(TheMips64Target,
 152                                        createMipsAsmBackendEB64);
 153   TargetRegistry::RegisterMCAsmBackend(TheMips64elTarget,
 154                                        createMipsAsmBackendEL64);
 155
 156   // Register the MC subtarget info.
 157   TargetRegistry::RegisterMCSubtargetInfo(TheMipsTarget,
 158                                           createMipsMCSubtargetInfo);
 159   TargetRegistry::RegisterMCSubtargetInfo(TheMipselTarget,
 160                                           createMipsMCSubtargetInfo);
 161   TargetRegistry::RegisterMCSubtargetInfo(TheMips64Target,
 162                                           createMipsMCSubtargetInfo);
 163   TargetRegistry::RegisterMCSubtargetInfo(TheMips64elTarget,
 164                                           createMipsMCSubtargetInfo);
 165
 166   // Register the MCInstPrinter.
 167   TargetRegistry::RegisterMCInstPrinter(TheMipsTarget,
 168                                         createMipsMCInstPrinter);
 169   TargetRegistry::RegisterMCInstPrinter(TheMipselTarget,
 170                                         createMipsMCInstPrinter);
 171   TargetRegistry::RegisterMCInstPrinter(TheMips64Target,
 172                                         createMipsMCInstPrinter);
 173   TargetRegistry::RegisterMCInstPrinter(TheMips64elTarget,
 174                                         createMipsMCInstPrinter);
 175 }