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 "SparcMCAsmInfo.h"
16 #include "SparcTargetStreamer.h"
17 #include "InstPrinter/SparcInstPrinter.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();
70 InitSparcMCSubtargetInfo(X, TT, CPU, FS);
74 // Code models. Some only make sense for 64-bit code.
76 // SunCC Reloc CodeModel Constraints
77 // abs32 Static Small text+data+bss linked below 2^32 bytes
78 // abs44 Static Medium text+data+bss linked below 2^44 bytes
79 // abs64 Static Large text smaller than 2^31 bytes
80 // pic13 PIC_ Small GOT < 2^13 bytes
81 // pic32 PIC_ Medium GOT < 2^32 bytes
83 // All code models require that the text segment is smaller than 2GB.
85 static MCCodeGenInfo *createSparcMCCodeGenInfo(StringRef TT, Reloc::Model RM,
87 CodeGenOpt::Level OL) {
88 MCCodeGenInfo *X = new MCCodeGenInfo();
90 // The default 32-bit code model is abs32/pic32 and the default 32-bit
91 // code model for JIT is abs32.
94 case CodeModel::Default:
95 case CodeModel::JITDefault: CM = CodeModel::Small; break;
98 X->InitMCCodeGenInfo(RM, CM, OL);
102 static MCCodeGenInfo *createSparcV9MCCodeGenInfo(StringRef TT, Reloc::Model RM,
104 CodeGenOpt::Level OL) {
105 MCCodeGenInfo *X = new MCCodeGenInfo();
107 // The default 64-bit code model is abs44/pic32 and the default 64-bit
108 // code model for JIT is abs64.
111 case CodeModel::Default:
112 CM = RM == Reloc::PIC_ ? CodeModel::Small : CodeModel::Medium;
114 case CodeModel::JITDefault:
115 CM = CodeModel::Large;
119 X->InitMCCodeGenInfo(RM, CM, OL);
123 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
124 MCContext &Context, MCAsmBackend &MAB,
125 raw_ostream &OS, MCCodeEmitter *Emitter,
126 bool RelaxAll, bool NoExecStack) {
127 SparcTargetELFStreamer *S = new SparcTargetELFStreamer();
128 return createELFStreamer(Context, S, MAB, OS, Emitter, RelaxAll, NoExecStack);
132 createMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
133 bool isVerboseAsm, bool useLoc, bool useCFI,
134 bool useDwarfDirectory, MCInstPrinter *InstPrint,
135 MCCodeEmitter *CE, MCAsmBackend *TAB, bool ShowInst) {
136 SparcTargetAsmStreamer *S = new SparcTargetAsmStreamer(OS);
138 return llvm::createAsmStreamer(Ctx, S, OS, isVerboseAsm, useLoc, useCFI,
139 useDwarfDirectory, InstPrint, CE, TAB,
143 static MCInstPrinter *createSparcMCInstPrinter(const Target &T,
144 unsigned SyntaxVariant,
145 const MCAsmInfo &MAI,
146 const MCInstrInfo &MII,
147 const MCRegisterInfo &MRI,
148 const MCSubtargetInfo &STI) {
149 return new SparcInstPrinter(MAI, MII, MRI);
152 extern "C" void LLVMInitializeSparcTargetMC() {
153 // Register the MC asm info.
154 RegisterMCAsmInfoFn X(TheSparcTarget, createSparcMCAsmInfo);
155 RegisterMCAsmInfoFn Y(TheSparcV9Target, createSparcV9MCAsmInfo);
157 // Register the MC codegen info.
158 TargetRegistry::RegisterMCCodeGenInfo(TheSparcTarget,
159 createSparcMCCodeGenInfo);
160 TargetRegistry::RegisterMCCodeGenInfo(TheSparcV9Target,
161 createSparcV9MCCodeGenInfo);
163 // Register the MC instruction info.
164 TargetRegistry::RegisterMCInstrInfo(TheSparcTarget, createSparcMCInstrInfo);
165 TargetRegistry::RegisterMCInstrInfo(TheSparcV9Target, createSparcMCInstrInfo);
167 // Register the MC register info.
168 TargetRegistry::RegisterMCRegInfo(TheSparcTarget, createSparcMCRegisterInfo);
169 TargetRegistry::RegisterMCRegInfo(TheSparcV9Target,
170 createSparcMCRegisterInfo);
172 // Register the MC subtarget info.
173 TargetRegistry::RegisterMCSubtargetInfo(TheSparcTarget,
174 createSparcMCSubtargetInfo);
175 TargetRegistry::RegisterMCSubtargetInfo(TheSparcV9Target,
176 createSparcMCSubtargetInfo);
178 // Register the MC Code Emitter.
179 TargetRegistry::RegisterMCCodeEmitter(TheSparcTarget,
180 createSparcMCCodeEmitter);
181 TargetRegistry::RegisterMCCodeEmitter(TheSparcV9Target,
182 createSparcMCCodeEmitter);
184 //Register the asm backend.
185 TargetRegistry::RegisterMCAsmBackend(TheSparcTarget,
186 createSparcAsmBackend);
187 TargetRegistry::RegisterMCAsmBackend(TheSparcV9Target,
188 createSparcAsmBackend);
190 // Register the object streamer.
191 TargetRegistry::RegisterMCObjectStreamer(TheSparcTarget,
193 TargetRegistry::RegisterMCObjectStreamer(TheSparcV9Target,
196 // Register the asm streamer.
197 TargetRegistry::RegisterAsmStreamer(TheSparcTarget,
198 createMCAsmStreamer);
199 TargetRegistry::RegisterAsmStreamer(TheSparcV9Target,
200 createMCAsmStreamer);
202 // Register the MCInstPrinter
203 TargetRegistry::RegisterMCInstPrinter(TheSparcTarget,
204 createSparcMCInstPrinter);
205 TargetRegistry::RegisterMCInstPrinter(TheSparcV9Target,
206 createSparcMCInstPrinter);