1 //===-- SparcMCTargetDesc.cpp - Sparc 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 Sparc specific target descriptions.
12 //===----------------------------------------------------------------------===//
14 #include "SparcMCTargetDesc.h"
15 #include "InstPrinter/SparcInstPrinter.h"
16 #include "SparcMCAsmInfo.h"
17 #include "SparcTargetStreamer.h"
18 #include "llvm/MC/MCCodeGenInfo.h"
19 #include "llvm/MC/MCInstrInfo.h"
20 #include "llvm/MC/MCRegisterInfo.h"
21 #include "llvm/MC/MCSubtargetInfo.h"
22 #include "llvm/Support/ErrorHandling.h"
23 #include "llvm/Support/TargetRegistry.h"
25 #define GET_INSTRINFO_MC_DESC
26 #include "SparcGenInstrInfo.inc"
28 #define GET_SUBTARGETINFO_MC_DESC
29 #include "SparcGenSubtargetInfo.inc"
31 #define GET_REGINFO_MC_DESC
32 #include "SparcGenRegisterInfo.inc"
37 static MCAsmInfo *createSparcMCAsmInfo(const MCRegisterInfo &MRI,
39 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
40 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true);
41 MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(0, Reg, 0);
42 MAI->addInitialFrameState(Inst);
46 static MCAsmInfo *createSparcV9MCAsmInfo(const MCRegisterInfo &MRI,
48 MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT);
49 unsigned Reg = MRI.getDwarfRegNum(SP::O6, true);
50 MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(0, Reg, 2047);
51 MAI->addInitialFrameState(Inst);
55 static MCInstrInfo *createSparcMCInstrInfo() {
56 MCInstrInfo *X = new MCInstrInfo();
57 InitSparcMCInstrInfo(X);
61 static MCRegisterInfo *createSparcMCRegisterInfo(StringRef TT) {
62 MCRegisterInfo *X = new MCRegisterInfo();
63 InitSparcMCRegisterInfo(X, SP::O7);
67 static MCSubtargetInfo *createSparcMCSubtargetInfo(StringRef TT, StringRef CPU,
69 MCSubtargetInfo *X = new MCSubtargetInfo();
72 CPU = (TheTriple.getArch() == Triple::sparcv9) ? "v9" : "v8";
73 InitSparcMCSubtargetInfo(X, TT, CPU, FS);
77 // Code models. Some only make sense for 64-bit code.
79 // SunCC Reloc CodeModel Constraints
80 // abs32 Static Small text+data+bss linked below 2^32 bytes
81 // abs44 Static Medium text+data+bss linked below 2^44 bytes
82 // abs64 Static Large text smaller than 2^31 bytes
83 // pic13 PIC_ Small GOT < 2^13 bytes
84 // pic32 PIC_ Medium GOT < 2^32 bytes
86 // All code models require that the text segment is smaller than 2GB.
88 static MCCodeGenInfo *createSparcMCCodeGenInfo(StringRef TT, Reloc::Model RM,
90 CodeGenOpt::Level OL) {
91 MCCodeGenInfo *X = new MCCodeGenInfo();
93 // The default 32-bit code model is abs32/pic32 and the default 32-bit
94 // code model for JIT is abs32.
97 case CodeModel::Default:
98 case CodeModel::JITDefault: CM = CodeModel::Small; break;
101 X->InitMCCodeGenInfo(RM, CM, OL);
105 static MCCodeGenInfo *createSparcV9MCCodeGenInfo(StringRef TT, Reloc::Model RM,
107 CodeGenOpt::Level OL) {
108 MCCodeGenInfo *X = new MCCodeGenInfo();
110 // The default 64-bit code model is abs44/pic32 and the default 64-bit
111 // code model for JIT is abs64.
114 case CodeModel::Default:
115 CM = RM == Reloc::PIC_ ? CodeModel::Small : CodeModel::Medium;
117 case CodeModel::JITDefault:
118 CM = CodeModel::Large;
122 X->InitMCCodeGenInfo(RM, CM, OL);
126 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
127 MCContext &Context, MCAsmBackend &MAB,
128 raw_ostream &OS, MCCodeEmitter *Emitter,
129 const MCSubtargetInfo &STI, bool RelaxAll,
132 createELFStreamer(Context, MAB, OS, Emitter, RelaxAll, NoExecStack);
133 new SparcTargetELFStreamer(*S);
138 createMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
139 bool isVerboseAsm, bool useCFI, bool useDwarfDirectory,
140 MCInstPrinter *InstPrint, MCCodeEmitter *CE,
141 MCAsmBackend *TAB, bool ShowInst) {
144 llvm::createAsmStreamer(Ctx, OS, isVerboseAsm, useCFI, useDwarfDirectory,
145 InstPrint, CE, TAB, ShowInst);
146 new SparcTargetAsmStreamer(*S, OS);
150 static MCInstPrinter *createSparcMCInstPrinter(const Target &T,
151 unsigned SyntaxVariant,
152 const MCAsmInfo &MAI,
153 const MCInstrInfo &MII,
154 const MCRegisterInfo &MRI,
155 const MCSubtargetInfo &STI) {
156 return new SparcInstPrinter(MAI, MII, MRI, STI);
159 extern "C" void LLVMInitializeSparcTargetMC() {
160 // Register the MC asm info.
161 RegisterMCAsmInfoFn X(TheSparcTarget, createSparcMCAsmInfo);
162 RegisterMCAsmInfoFn Y(TheSparcV9Target, createSparcV9MCAsmInfo);
164 // Register the MC codegen info.
165 TargetRegistry::RegisterMCCodeGenInfo(TheSparcTarget,
166 createSparcMCCodeGenInfo);
167 TargetRegistry::RegisterMCCodeGenInfo(TheSparcV9Target,
168 createSparcV9MCCodeGenInfo);
170 // Register the MC instruction info.
171 TargetRegistry::RegisterMCInstrInfo(TheSparcTarget, createSparcMCInstrInfo);
172 TargetRegistry::RegisterMCInstrInfo(TheSparcV9Target, createSparcMCInstrInfo);
174 // Register the MC register info.
175 TargetRegistry::RegisterMCRegInfo(TheSparcTarget, createSparcMCRegisterInfo);
176 TargetRegistry::RegisterMCRegInfo(TheSparcV9Target,
177 createSparcMCRegisterInfo);
179 // Register the MC subtarget info.
180 TargetRegistry::RegisterMCSubtargetInfo(TheSparcTarget,
181 createSparcMCSubtargetInfo);
182 TargetRegistry::RegisterMCSubtargetInfo(TheSparcV9Target,
183 createSparcMCSubtargetInfo);
185 // Register the MC Code Emitter.
186 TargetRegistry::RegisterMCCodeEmitter(TheSparcTarget,
187 createSparcMCCodeEmitter);
188 TargetRegistry::RegisterMCCodeEmitter(TheSparcV9Target,
189 createSparcMCCodeEmitter);
191 //Register the asm backend.
192 TargetRegistry::RegisterMCAsmBackend(TheSparcTarget,
193 createSparcAsmBackend);
194 TargetRegistry::RegisterMCAsmBackend(TheSparcV9Target,
195 createSparcAsmBackend);
197 // Register the object streamer.
198 TargetRegistry::RegisterMCObjectStreamer(TheSparcTarget,
200 TargetRegistry::RegisterMCObjectStreamer(TheSparcV9Target,
203 // Register the asm streamer.
204 TargetRegistry::RegisterAsmStreamer(TheSparcTarget,
205 createMCAsmStreamer);
206 TargetRegistry::RegisterAsmStreamer(TheSparcV9Target,
207 createMCAsmStreamer);
209 // Register the MCInstPrinter
210 TargetRegistry::RegisterMCInstPrinter(TheSparcTarget,
211 createSparcMCInstPrinter);
212 TargetRegistry::RegisterMCInstPrinter(TheSparcV9Target,
213 createSparcMCInstPrinter);