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 "llvm/MC/MachineLocation.h"
  17 #include "llvm/MC/MCInstrInfo.h"
  18 #include "llvm/MC/MCRegisterInfo.h"
  19 #include "llvm/MC/MCSubtargetInfo.h"
  20 #include "llvm/Target/TargetRegistry.h"
  21
  22 #define GET_INSTRINFO_MC_DESC
  23 #include "MipsGenInstrInfo.inc"
  24
  25 #define GET_SUBTARGETINFO_MC_DESC
  26 #include "MipsGenSubtargetInfo.inc"
  27
  28 #define GET_REGINFO_MC_DESC
  29 #include "MipsGenRegisterInfo.inc"
  30
  31 using namespace llvm;
  32
  33 static MCInstrInfo *createMipsMCInstrInfo() {
  34   MCInstrInfo *X = new MCInstrInfo();
  35   InitMipsMCInstrInfo(X);
  36   return X;
  37 }
  38
  39 extern "C" void LLVMInitializeMipsMCInstrInfo() {
  40   TargetRegistry::RegisterMCInstrInfo(TheMipsTarget, createMipsMCInstrInfo);
  41 }
  42
  43 static MCRegisterInfo *createMipsMCRegisterInfo(StringRef TT) {
  44   MCRegisterInfo *X = new MCRegisterInfo();
  45   InitMipsMCRegisterInfo(X, Mips::RA);
  46   return X;
  47 }
  48
  49 extern "C" void LLVMInitializeMipsMCRegisterInfo() {
  50   TargetRegistry::RegisterMCRegInfo(TheMipsTarget, createMipsMCRegisterInfo);
  51   TargetRegistry::RegisterMCRegInfo(TheMipselTarget, createMipsMCRegisterInfo);
  52 }
  53
  54 static MCSubtargetInfo *createMipsMCSubtargetInfo(StringRef TT, StringRef CPU,
  55                                                   StringRef FS) {
  56   MCSubtargetInfo *X = new MCSubtargetInfo();
  57   InitMipsMCSubtargetInfo(X, TT, CPU, FS);
  58   return X;
  59 }
  60
  61 extern "C" void LLVMInitializeMipsMCSubtargetInfo() {
  62   TargetRegistry::RegisterMCSubtargetInfo(TheMipsTarget,
  63                                           createMipsMCSubtargetInfo);
  64 }
  65
  66 static MCAsmInfo *createMipsMCAsmInfo(const Target &T, StringRef TT) {
  67   MCAsmInfo *MAI = new MipsMCAsmInfo(T, TT);
  68
  69   MachineLocation Dst(MachineLocation::VirtualFP);
  70   MachineLocation Src(Mips::SP, 0);
  71   MAI->addInitialFrameState(0, Dst, Src);
  72
  73   return MAI;
  74 }
  75
  76 extern "C" void LLVMInitializeMipsMCAsmInfo() {
  77   RegisterMCAsmInfoFn X(TheMipsTarget, createMipsMCAsmInfo);
  78   RegisterMCAsmInfoFn Y(TheMipselTarget, createMipsMCAsmInfo);
  79 }
  80
  81 MCCodeGenInfo *createMipsMCCodeGenInfo(StringRef TT, Reloc::Model RM) {
  82   MCCodeGenInfo *X = new MCCodeGenInfo();
  83   if (RM == Reloc::Default) {
  84     // Abicall enables PIC by default
  85     if (TT.find("mipsallegrex") != std::string::npos ||
  86         TT.find("psp") != std::string::npos)
  87       RM = Reloc::Static;
  88     else
  89       RM = Reloc::PIC_;
  90   }
  91   X->InitMCCodeGenInfo(RM);
  92   return X;
  93 }
  94
  95 extern "C" void LLVMInitializeMipsMCCodeGenInfo() {
  96   TargetRegistry::RegisterMCCodeGenInfo(TheMipsTarget,
  97                                         createMipsMCCodeGenInfo);
  98   TargetRegistry::RegisterMCCodeGenInfo(TheMipselTarget,
  99                                         createMipsMCCodeGenInfo);
 100 }