MipsMCTargetDesc.cpp revision 226633 
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
34using namespace llvm;
35
36static MCInstrInfo *createMipsMCInstrInfo() {
37  MCInstrInfo *X = new MCInstrInfo();
38  InitMipsMCInstrInfo(X);
39  return X;
40}
41
42static MCRegisterInfo *createMipsMCRegisterInfo(StringRef TT) {
43  MCRegisterInfo *X = new MCRegisterInfo();
44  InitMipsMCRegisterInfo(X, Mips::RA);
45  return X;
46}
47
48static 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
55static 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
65static 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
74static MCInstPrinter *createMipsMCInstPrinter(const Target &T,
75                                              unsigned SyntaxVariant,
76                                              const MCAsmInfo &MAI,
77                                              const MCSubtargetInfo &STI) {
78  return new MipsInstPrinter(MAI);
79}
80
81static 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
92extern "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}
163