1234353Sdim//===-- SparcMCTargetDesc.cpp - Sparc Target Descriptions -----------------===// 2224133Sdim// 3224133Sdim// The LLVM Compiler Infrastructure 4224133Sdim// 5224133Sdim// This file is distributed under the University of Illinois Open Source 6224133Sdim// License. See LICENSE.TXT for details. 7224133Sdim// 8224133Sdim//===----------------------------------------------------------------------===// 9224133Sdim// 10224133Sdim// This file provides Sparc specific target descriptions. 11224133Sdim// 12224133Sdim//===----------------------------------------------------------------------===// 13224133Sdim 14224133Sdim#include "SparcMCTargetDesc.h" 15224133Sdim#include "SparcMCAsmInfo.h" 16263763Sdim#include "SparcTargetStreamer.h" 17263763Sdim#include "InstPrinter/SparcInstPrinter.h" 18226633Sdim#include "llvm/MC/MCCodeGenInfo.h" 19224133Sdim#include "llvm/MC/MCInstrInfo.h" 20224133Sdim#include "llvm/MC/MCRegisterInfo.h" 21224133Sdim#include "llvm/MC/MCSubtargetInfo.h" 22234353Sdim#include "llvm/Support/ErrorHandling.h" 23226633Sdim#include "llvm/Support/TargetRegistry.h" 24224133Sdim 25224133Sdim#define GET_INSTRINFO_MC_DESC 26224133Sdim#include "SparcGenInstrInfo.inc" 27224133Sdim 28224133Sdim#define GET_SUBTARGETINFO_MC_DESC 29224133Sdim#include "SparcGenSubtargetInfo.inc" 30224133Sdim 31224133Sdim#define GET_REGINFO_MC_DESC 32224133Sdim#include "SparcGenRegisterInfo.inc" 33224133Sdim 34224133Sdimusing namespace llvm; 35224133Sdim 36263763Sdim 37263763Sdimstatic MCAsmInfo *createSparcMCAsmInfo(const MCRegisterInfo &MRI, 38263763Sdim StringRef TT) { 39263763Sdim MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT); 40263763Sdim unsigned Reg = MRI.getDwarfRegNum(SP::O6, true); 41263763Sdim MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(0, Reg, 0); 42263763Sdim MAI->addInitialFrameState(Inst); 43263763Sdim return MAI; 44263763Sdim} 45263763Sdim 46263763Sdimstatic MCAsmInfo *createSparcV9MCAsmInfo(const MCRegisterInfo &MRI, 47263763Sdim StringRef TT) { 48263763Sdim MCAsmInfo *MAI = new SparcELFMCAsmInfo(TT); 49263763Sdim unsigned Reg = MRI.getDwarfRegNum(SP::O6, true); 50263763Sdim MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(0, Reg, 2047); 51263763Sdim MAI->addInitialFrameState(Inst); 52263763Sdim return MAI; 53263763Sdim} 54263763Sdim 55224133Sdimstatic MCInstrInfo *createSparcMCInstrInfo() { 56224133Sdim MCInstrInfo *X = new MCInstrInfo(); 57224133Sdim InitSparcMCInstrInfo(X); 58224133Sdim return X; 59224133Sdim} 60224133Sdim 61226633Sdimstatic MCRegisterInfo *createSparcMCRegisterInfo(StringRef TT) { 62226633Sdim MCRegisterInfo *X = new MCRegisterInfo(); 63263763Sdim InitSparcMCRegisterInfo(X, SP::O7); 64226633Sdim return X; 65224133Sdim} 66224133Sdim 67224133Sdimstatic MCSubtargetInfo *createSparcMCSubtargetInfo(StringRef TT, StringRef CPU, 68224133Sdim StringRef FS) { 69224133Sdim MCSubtargetInfo *X = new MCSubtargetInfo(); 70224133Sdim InitSparcMCSubtargetInfo(X, TT, CPU, FS); 71224133Sdim return X; 72224133Sdim} 73224133Sdim 74251662Sdim// Code models. Some only make sense for 64-bit code. 75251662Sdim// 76251662Sdim// SunCC Reloc CodeModel Constraints 77251662Sdim// abs32 Static Small text+data+bss linked below 2^32 bytes 78251662Sdim// abs44 Static Medium text+data+bss linked below 2^44 bytes 79251662Sdim// abs64 Static Large text smaller than 2^31 bytes 80251662Sdim// pic13 PIC_ Small GOT < 2^13 bytes 81251662Sdim// pic32 PIC_ Medium GOT < 2^32 bytes 82251662Sdim// 83251662Sdim// All code models require that the text segment is smaller than 2GB. 84251662Sdim 85226633Sdimstatic MCCodeGenInfo *createSparcMCCodeGenInfo(StringRef TT, Reloc::Model RM, 86234353Sdim CodeModel::Model CM, 87234353Sdim CodeGenOpt::Level OL) { 88226633Sdim MCCodeGenInfo *X = new MCCodeGenInfo(); 89251662Sdim 90263763Sdim // The default 32-bit code model is abs32/pic32 and the default 32-bit 91263763Sdim // code model for JIT is abs32. 92263763Sdim switch (CM) { 93263763Sdim default: break; 94263763Sdim case CodeModel::Default: 95263763Sdim case CodeModel::JITDefault: CM = CodeModel::Small; break; 96263763Sdim } 97251662Sdim 98234353Sdim X->InitMCCodeGenInfo(RM, CM, OL); 99226633Sdim return X; 100224133Sdim} 101224133Sdim 102251662Sdimstatic MCCodeGenInfo *createSparcV9MCCodeGenInfo(StringRef TT, Reloc::Model RM, 103251662Sdim CodeModel::Model CM, 104251662Sdim CodeGenOpt::Level OL) { 105251662Sdim MCCodeGenInfo *X = new MCCodeGenInfo(); 106251662Sdim 107263763Sdim // The default 64-bit code model is abs44/pic32 and the default 64-bit 108263763Sdim // code model for JIT is abs64. 109263763Sdim switch (CM) { 110263763Sdim default: break; 111263763Sdim case CodeModel::Default: 112263763Sdim CM = RM == Reloc::PIC_ ? CodeModel::Small : CodeModel::Medium; 113263763Sdim break; 114263763Sdim case CodeModel::JITDefault: 115263763Sdim CM = CodeModel::Large; 116263763Sdim break; 117263763Sdim } 118251662Sdim 119251662Sdim X->InitMCCodeGenInfo(RM, CM, OL); 120251662Sdim return X; 121251662Sdim} 122263763Sdim 123263763Sdimstatic MCStreamer *createMCStreamer(const Target &T, StringRef TT, 124263763Sdim MCContext &Context, MCAsmBackend &MAB, 125263763Sdim raw_ostream &OS, MCCodeEmitter *Emitter, 126263763Sdim bool RelaxAll, bool NoExecStack) { 127263763Sdim SparcTargetELFStreamer *S = new SparcTargetELFStreamer(); 128263763Sdim return createELFStreamer(Context, S, MAB, OS, Emitter, RelaxAll, NoExecStack); 129263763Sdim} 130263763Sdim 131263763Sdimstatic MCStreamer * 132263763SdimcreateMCAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS, 133263763Sdim bool isVerboseAsm, bool useLoc, bool useCFI, 134263763Sdim bool useDwarfDirectory, MCInstPrinter *InstPrint, 135263763Sdim MCCodeEmitter *CE, MCAsmBackend *TAB, bool ShowInst) { 136263763Sdim SparcTargetAsmStreamer *S = new SparcTargetAsmStreamer(OS); 137263763Sdim 138263763Sdim return llvm::createAsmStreamer(Ctx, S, OS, isVerboseAsm, useLoc, useCFI, 139263763Sdim useDwarfDirectory, InstPrint, CE, TAB, 140263763Sdim ShowInst); 141263763Sdim} 142263763Sdim 143263763Sdimstatic MCInstPrinter *createSparcMCInstPrinter(const Target &T, 144263763Sdim unsigned SyntaxVariant, 145263763Sdim const MCAsmInfo &MAI, 146263763Sdim const MCInstrInfo &MII, 147263763Sdim const MCRegisterInfo &MRI, 148263763Sdim const MCSubtargetInfo &STI) { 149263763Sdim return new SparcInstPrinter(MAI, MII, MRI); 150263763Sdim} 151263763Sdim 152226633Sdimextern "C" void LLVMInitializeSparcTargetMC() { 153226633Sdim // Register the MC asm info. 154263763Sdim RegisterMCAsmInfoFn X(TheSparcTarget, createSparcMCAsmInfo); 155263763Sdim RegisterMCAsmInfoFn Y(TheSparcV9Target, createSparcV9MCAsmInfo); 156226633Sdim 157226633Sdim // Register the MC codegen info. 158226633Sdim TargetRegistry::RegisterMCCodeGenInfo(TheSparcTarget, 159226633Sdim createSparcMCCodeGenInfo); 160226633Sdim TargetRegistry::RegisterMCCodeGenInfo(TheSparcV9Target, 161251662Sdim createSparcV9MCCodeGenInfo); 162226633Sdim 163226633Sdim // Register the MC instruction info. 164226633Sdim TargetRegistry::RegisterMCInstrInfo(TheSparcTarget, createSparcMCInstrInfo); 165263763Sdim TargetRegistry::RegisterMCInstrInfo(TheSparcV9Target, createSparcMCInstrInfo); 166226633Sdim 167226633Sdim // Register the MC register info. 168226633Sdim TargetRegistry::RegisterMCRegInfo(TheSparcTarget, createSparcMCRegisterInfo); 169263763Sdim TargetRegistry::RegisterMCRegInfo(TheSparcV9Target, 170263763Sdim createSparcMCRegisterInfo); 171226633Sdim 172226633Sdim // Register the MC subtarget info. 173226633Sdim TargetRegistry::RegisterMCSubtargetInfo(TheSparcTarget, 174226633Sdim createSparcMCSubtargetInfo); 175263763Sdim TargetRegistry::RegisterMCSubtargetInfo(TheSparcV9Target, 176263763Sdim createSparcMCSubtargetInfo); 177263763Sdim 178263763Sdim // Register the MC Code Emitter. 179263763Sdim TargetRegistry::RegisterMCCodeEmitter(TheSparcTarget, 180263763Sdim createSparcMCCodeEmitter); 181263763Sdim TargetRegistry::RegisterMCCodeEmitter(TheSparcV9Target, 182263763Sdim createSparcMCCodeEmitter); 183263763Sdim 184263763Sdim //Register the asm backend. 185263763Sdim TargetRegistry::RegisterMCAsmBackend(TheSparcTarget, 186263763Sdim createSparcAsmBackend); 187263763Sdim TargetRegistry::RegisterMCAsmBackend(TheSparcV9Target, 188263763Sdim createSparcAsmBackend); 189263763Sdim 190263763Sdim // Register the object streamer. 191263763Sdim TargetRegistry::RegisterMCObjectStreamer(TheSparcTarget, 192263763Sdim createMCStreamer); 193263763Sdim TargetRegistry::RegisterMCObjectStreamer(TheSparcV9Target, 194263763Sdim createMCStreamer); 195263763Sdim 196263763Sdim // Register the asm streamer. 197263763Sdim TargetRegistry::RegisterAsmStreamer(TheSparcTarget, 198263763Sdim createMCAsmStreamer); 199263763Sdim TargetRegistry::RegisterAsmStreamer(TheSparcV9Target, 200263763Sdim createMCAsmStreamer); 201263763Sdim 202263763Sdim // Register the MCInstPrinter 203263763Sdim TargetRegistry::RegisterMCInstPrinter(TheSparcTarget, 204263763Sdim createSparcMCInstPrinter); 205263763Sdim TargetRegistry::RegisterMCInstPrinter(TheSparcV9Target, 206263763Sdim createSparcMCInstPrinter); 207224133Sdim} 208