contrib/llvm/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 "MipsMCTargetDesc.h"
  15 #include "MipsMCAsmInfo.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   MCCodeGenInfo *X = new MCCodeGenInfo();
  68   if (RM == Reloc::Default)
  69     RM = Reloc::PIC_;
  70   X->InitMCCodeGenInfo(RM, CM);
  71   return X;
  72 }
  73
  74 static MCInstPrinter *createMipsMCInstPrinter(const Target &T,
  75                                               unsigned SyntaxVariant,
  76                                               const MCAsmInfo &MAI,
  77                                               const MCSubtargetInfo &STI) {
  78   return new MipsInstPrinter(MAI);
  79 }
  80
  81 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
  82                                     MCContext &Ctx, MCAsmBackend &MAB,
  83                                     raw_ostream &_OS,
  84                                     MCCodeEmitter *_Emitter,
  85                                     bool RelaxAll,
  86                                     bool NoExecStack) {
  87   Triple TheTriple(TT);
  88
  89   return createELFStreamer(Ctx, MAB, _OS, _Emitter, RelaxAll, NoExecStack);
  90 }
  91
  92 extern "C" void LLVMInitializeMipsTargetMC() {
  93   // Register the MC asm info.
  94   RegisterMCAsmInfoFn X(TheMipsTarget, createMipsMCAsmInfo);
  95   RegisterMCAsmInfoFn Y(TheMipselTarget, createMipsMCAsmInfo);
  96   RegisterMCAsmInfoFn A(TheMips64Target, createMipsMCAsmInfo);
  97   RegisterMCAsmInfoFn B(TheMips64elTarget, createMipsMCAsmInfo);
  98
  99   // Register the MC codegen info.
 100   TargetRegistry::RegisterMCCodeGenInfo(TheMipsTarget,
 101                                         createMipsMCCodeGenInfo);
 102   TargetRegistry::RegisterMCCodeGenInfo(TheMipselTarget,
 103                                         createMipsMCCodeGenInfo);
 104   TargetRegistry::RegisterMCCodeGenInfo(TheMips64Target,
 105                                         createMipsMCCodeGenInfo);
 106   TargetRegistry::RegisterMCCodeGenInfo(TheMips64elTarget,
 107                                         createMipsMCCodeGenInfo);
 108
 109   // Register the MC instruction info.
 110   TargetRegistry::RegisterMCInstrInfo(TheMipsTarget, createMipsMCInstrInfo);
 111   TargetRegistry::RegisterMCInstrInfo(TheMipselTarget, createMipsMCInstrInfo);
 112   TargetRegistry::RegisterMCInstrInfo(TheMips64Target, createMipsMCInstrInfo);
 113   TargetRegistry::RegisterMCInstrInfo(TheMips64elTarget, createMipsMCInstrInfo);
 114
 115   // Register the MC register info.
 116   TargetRegistry::RegisterMCRegInfo(TheMipsTarget, createMipsMCRegisterInfo);
 117   TargetRegistry::RegisterMCRegInfo(TheMipselTarget, createMipsMCRegisterInfo);
 118   TargetRegistry::RegisterMCRegInfo(TheMips64Target, createMipsMCRegisterInfo);
 119   TargetRegistry::RegisterMCRegInfo(TheMips64elTarget,
 120                                     createMipsMCRegisterInfo);
 121
 122   // Register the MC Code Emitter
 123   TargetRegistry::RegisterMCCodeEmitter(TheMipsTarget, createMipsMCCodeEmitter);
 124   TargetRegistry::RegisterMCCodeEmitter(TheMipselTarget,
 125                                         createMipsMCCodeEmitter);
 126   TargetRegistry::RegisterMCCodeEmitter(TheMips64Target,
 127                                         createMipsMCCodeEmitter);
 128   TargetRegistry::RegisterMCCodeEmitter(TheMips64elTarget,
 129                                         createMipsMCCodeEmitter);
 130
 131   // Register the object streamer.
 132   TargetRegistry::RegisterMCObjectStreamer(TheMipsTarget, createMCStreamer);
 133   TargetRegistry::RegisterMCObjectStreamer(TheMipselTarget, createMCStreamer);
 134   TargetRegistry::RegisterMCObjectStreamer(TheMips64Target, createMCStreamer);
 135   TargetRegistry::RegisterMCObjectStreamer(TheMips64elTarget, createMCStreamer);
 136
 137   // Register the asm backend.
 138   TargetRegistry::RegisterMCAsmBackend(TheMipsTarget, createMipsAsmBackend);
 139   TargetRegistry::RegisterMCAsmBackend(TheMipselTarget, createMipsAsmBackend);
 140   TargetRegistry::RegisterMCAsmBackend(TheMips64Target, createMipsAsmBackend);
 141   TargetRegistry::RegisterMCAsmBackend(TheMips64elTarget, createMipsAsmBackend);
 142
 143   // Register the MC subtarget info.
 144   TargetRegistry::RegisterMCSubtargetInfo(TheMipsTarget,
 145                                           createMipsMCSubtargetInfo);
 146   TargetRegistry::RegisterMCSubtargetInfo(TheMipselTarget,
 147                                           createMipsMCSubtargetInfo);
 148   TargetRegistry::RegisterMCSubtargetInfo(TheMips64Target,
 149                                           createMipsMCSubtargetInfo);
 150   TargetRegistry::RegisterMCSubtargetInfo(TheMips64elTarget,
 151                                           createMipsMCSubtargetInfo);
 152
 153   // Register the MCInstPrinter.
 154   TargetRegistry::RegisterMCInstPrinter(TheMipsTarget,
 155                                         createMipsMCInstPrinter);
 156   TargetRegistry::RegisterMCInstPrinter(TheMipselTarget,
 157                                         createMipsMCInstPrinter);
 158   TargetRegistry::RegisterMCInstPrinter(TheMips64Target,
 159                                         createMipsMCInstPrinter);
 160   TargetRegistry::RegisterMCInstPrinter(TheMips64elTarget,
 161                                         createMipsMCInstPrinter);
 162 }