1 //===-- MipsMCTargetDesc.cpp - Mips Target Descriptions -------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file provides Mips specific target descriptions.
12 //===----------------------------------------------------------------------===//
14 #include "MipsMCTargetDesc.h"
15 #include "InstPrinter/MipsInstPrinter.h"
16 #include "MipsMCAsmInfo.h"
17 #include "MipsTargetStreamer.h"
18 #include "llvm/MC/MCCodeGenInfo.h"
19 #include "llvm/MC/MCELFStreamer.h"
20 #include "llvm/MC/MCInstrInfo.h"
21 #include "llvm/MC/MCRegisterInfo.h"
22 #include "llvm/MC/MCSubtargetInfo.h"
23 #include "llvm/MC/MCSymbol.h"
24 #include "llvm/MC/MachineLocation.h"
25 #include "llvm/Support/CommandLine.h"
26 #include "llvm/Support/ErrorHandling.h"
27 #include "llvm/Support/FormattedStream.h"
28 #include "llvm/Support/TargetRegistry.h"
30 #define GET_INSTRINFO_MC_DESC
31 #include "MipsGenInstrInfo.inc"
33 #define GET_SUBTARGETINFO_MC_DESC
34 #include "MipsGenSubtargetInfo.inc"
36 #define GET_REGINFO_MC_DESC
37 #include "MipsGenRegisterInfo.inc"
41 static std::string ParseMipsTriple(StringRef TT, StringRef CPU) {
42 std::string MipsArchFeature;
43 size_t DashPosition = 0;
46 // Let's see if there is a dash, like mips-unknown-linux.
47 DashPosition = TT.find('-');
49 if (DashPosition == StringRef::npos) {
50 // No dash, we check the string size.
51 TheTriple = TT.substr(0);
53 // We are only interested in substring before dash.
54 TheTriple = TT.substr(0,DashPosition);
57 if (TheTriple == "mips" || TheTriple == "mipsel") {
58 if (CPU.empty() || CPU == "mips32") {
59 MipsArchFeature = "+mips32";
60 } else if (CPU == "mips32r2") {
61 MipsArchFeature = "+mips32r2";
64 if (CPU.empty() || CPU == "mips64") {
65 MipsArchFeature = "+mips64";
66 } else if (CPU == "mips64r2") {
67 MipsArchFeature = "+mips64r2";
70 return MipsArchFeature;
73 static MCInstrInfo *createMipsMCInstrInfo() {
74 MCInstrInfo *X = new MCInstrInfo();
75 InitMipsMCInstrInfo(X);
79 static MCRegisterInfo *createMipsMCRegisterInfo(StringRef TT) {
80 MCRegisterInfo *X = new MCRegisterInfo();
81 InitMipsMCRegisterInfo(X, Mips::RA);
85 static MCSubtargetInfo *createMipsMCSubtargetInfo(StringRef TT, StringRef CPU,
87 std::string ArchFS = ParseMipsTriple(TT,CPU);
90 ArchFS = ArchFS + "," + FS.str();
94 MCSubtargetInfo *X = new MCSubtargetInfo();
95 InitMipsMCSubtargetInfo(X, TT, CPU, ArchFS);
99 static MCAsmInfo *createMipsMCAsmInfo(const MCRegisterInfo &MRI, StringRef TT) {
100 MCAsmInfo *MAI = new MipsMCAsmInfo(TT);
102 unsigned SP = MRI.getDwarfRegNum(Mips::SP, true);
103 MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(0, SP, 0);
104 MAI->addInitialFrameState(Inst);
109 static MCCodeGenInfo *createMipsMCCodeGenInfo(StringRef TT, Reloc::Model RM,
111 CodeGenOpt::Level OL) {
112 MCCodeGenInfo *X = new MCCodeGenInfo();
113 if (CM == CodeModel::JITDefault)
115 else if (RM == Reloc::Default)
117 X->InitMCCodeGenInfo(RM, CM, OL);
121 static MCInstPrinter *createMipsMCInstPrinter(const Target &T,
122 unsigned SyntaxVariant,
123 const MCAsmInfo &MAI,
124 const MCInstrInfo &MII,
125 const MCRegisterInfo &MRI,
126 const MCSubtargetInfo &STI) {
127 return new MipsInstPrinter(MAI, MII, MRI);
130 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
131 MCContext &Context, MCAsmBackend &MAB,
132 raw_ostream &OS, MCCodeEmitter *Emitter,
133 bool RelaxAll, bool NoExecStack) {
135 createELFStreamer(Context, MAB, OS, Emitter, RelaxAll, NoExecStack);
136 new MipsTargetELFStreamer(*S);
141 createMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
142 bool isVerboseAsm, bool useLoc, bool useCFI,
143 bool useDwarfDirectory, MCInstPrinter *InstPrint,
144 MCCodeEmitter *CE, MCAsmBackend *TAB, bool ShowInst) {
146 llvm::createAsmStreamer(Ctx, OS, isVerboseAsm, useLoc, useCFI,
147 useDwarfDirectory, InstPrint, CE, TAB, ShowInst);
148 new MipsTargetAsmStreamer(*S, OS);
152 extern "C" void LLVMInitializeMipsTargetMC() {
153 // Register the MC asm info.
154 RegisterMCAsmInfoFn X(TheMipsTarget, createMipsMCAsmInfo);
155 RegisterMCAsmInfoFn Y(TheMipselTarget, createMipsMCAsmInfo);
156 RegisterMCAsmInfoFn A(TheMips64Target, createMipsMCAsmInfo);
157 RegisterMCAsmInfoFn B(TheMips64elTarget, createMipsMCAsmInfo);
159 // Register the MC codegen info.
160 TargetRegistry::RegisterMCCodeGenInfo(TheMipsTarget,
161 createMipsMCCodeGenInfo);
162 TargetRegistry::RegisterMCCodeGenInfo(TheMipselTarget,
163 createMipsMCCodeGenInfo);
164 TargetRegistry::RegisterMCCodeGenInfo(TheMips64Target,
165 createMipsMCCodeGenInfo);
166 TargetRegistry::RegisterMCCodeGenInfo(TheMips64elTarget,
167 createMipsMCCodeGenInfo);
169 // Register the MC instruction info.
170 TargetRegistry::RegisterMCInstrInfo(TheMipsTarget, createMipsMCInstrInfo);
171 TargetRegistry::RegisterMCInstrInfo(TheMipselTarget, createMipsMCInstrInfo);
172 TargetRegistry::RegisterMCInstrInfo(TheMips64Target, createMipsMCInstrInfo);
173 TargetRegistry::RegisterMCInstrInfo(TheMips64elTarget,
174 createMipsMCInstrInfo);
176 // Register the MC register info.
177 TargetRegistry::RegisterMCRegInfo(TheMipsTarget, createMipsMCRegisterInfo);
178 TargetRegistry::RegisterMCRegInfo(TheMipselTarget, createMipsMCRegisterInfo);
179 TargetRegistry::RegisterMCRegInfo(TheMips64Target, createMipsMCRegisterInfo);
180 TargetRegistry::RegisterMCRegInfo(TheMips64elTarget,
181 createMipsMCRegisterInfo);
183 // Register the MC Code Emitter
184 TargetRegistry::RegisterMCCodeEmitter(TheMipsTarget,
185 createMipsMCCodeEmitterEB);
186 TargetRegistry::RegisterMCCodeEmitter(TheMipselTarget,
187 createMipsMCCodeEmitterEL);
188 TargetRegistry::RegisterMCCodeEmitter(TheMips64Target,
189 createMipsMCCodeEmitterEB);
190 TargetRegistry::RegisterMCCodeEmitter(TheMips64elTarget,
191 createMipsMCCodeEmitterEL);
193 // Register the object streamer.
194 TargetRegistry::RegisterMCObjectStreamer(TheMipsTarget, createMCStreamer);
195 TargetRegistry::RegisterMCObjectStreamer(TheMipselTarget, createMCStreamer);
196 TargetRegistry::RegisterMCObjectStreamer(TheMips64Target, createMCStreamer);
197 TargetRegistry::RegisterMCObjectStreamer(TheMips64elTarget,
200 // Register the asm streamer.
201 TargetRegistry::RegisterAsmStreamer(TheMipsTarget, createMCAsmStreamer);
202 TargetRegistry::RegisterAsmStreamer(TheMipselTarget, createMCAsmStreamer);
203 TargetRegistry::RegisterAsmStreamer(TheMips64Target, createMCAsmStreamer);
204 TargetRegistry::RegisterAsmStreamer(TheMips64elTarget, createMCAsmStreamer);
206 // Register the asm backend.
207 TargetRegistry::RegisterMCAsmBackend(TheMipsTarget,
208 createMipsAsmBackendEB32);
209 TargetRegistry::RegisterMCAsmBackend(TheMipselTarget,
210 createMipsAsmBackendEL32);
211 TargetRegistry::RegisterMCAsmBackend(TheMips64Target,
212 createMipsAsmBackendEB64);
213 TargetRegistry::RegisterMCAsmBackend(TheMips64elTarget,
214 createMipsAsmBackendEL64);
216 // Register the MC subtarget info.
217 TargetRegistry::RegisterMCSubtargetInfo(TheMipsTarget,
218 createMipsMCSubtargetInfo);
219 TargetRegistry::RegisterMCSubtargetInfo(TheMipselTarget,
220 createMipsMCSubtargetInfo);
221 TargetRegistry::RegisterMCSubtargetInfo(TheMips64Target,
222 createMipsMCSubtargetInfo);
223 TargetRegistry::RegisterMCSubtargetInfo(TheMips64elTarget,
224 createMipsMCSubtargetInfo);
226 // Register the MCInstPrinter.
227 TargetRegistry::RegisterMCInstPrinter(TheMipsTarget,
228 createMipsMCInstPrinter);
229 TargetRegistry::RegisterMCInstPrinter(TheMipselTarget,
230 createMipsMCInstPrinter);
231 TargetRegistry::RegisterMCInstPrinter(TheMips64Target,
232 createMipsMCInstPrinter);
233 TargetRegistry::RegisterMCInstPrinter(TheMips64elTarget,
234 createMipsMCInstPrinter);