1 //===-- HexagonMCTargetDesc.cpp - Hexagon Target Descriptions -------------===// 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 Hexagon specific target descriptions. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "HexagonMCTargetDesc.h" 15 #include "HexagonMCAsmInfo.h" 16 #include "InstPrinter/HexagonInstPrinter.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/ErrorHandling.h" 24 #include "llvm/Support/TargetRegistry.h" 25 26 #define GET_INSTRINFO_MC_DESC 27 #include "HexagonGenInstrInfo.inc" 28 29 #define GET_SUBTARGETINFO_MC_DESC 30 #include "HexagonGenSubtargetInfo.inc" 31 32 #define GET_REGINFO_MC_DESC 33 #include "HexagonGenRegisterInfo.inc" 34 35 using namespace llvm; 36 37 static MCInstrInfo *createHexagonMCInstrInfo() { 38 MCInstrInfo *X = new MCInstrInfo(); 39 InitHexagonMCInstrInfo(X); 40 return X; 41 } 42 43 static MCRegisterInfo *createHexagonMCRegisterInfo(StringRef TT) { 44 MCRegisterInfo *X = new MCRegisterInfo(); 45 InitHexagonMCRegisterInfo(X, Hexagon::R0); 46 return X; 47 } 48 49 static MCSubtargetInfo *createHexagonMCSubtargetInfo(StringRef TT, 50 StringRef CPU, 51 StringRef FS) { 52 MCSubtargetInfo *X = new MCSubtargetInfo(); 53 InitHexagonMCSubtargetInfo(X, TT, CPU, FS); 54 return X; 55 } 56 57 static MCAsmInfo *createHexagonMCAsmInfo(const MCRegisterInfo &MRI, 58 StringRef TT) { 59 MCAsmInfo *MAI = new HexagonMCAsmInfo(TT); 60 61 // VirtualFP = (R30 + #0). 62 MCCFIInstruction Inst = MCCFIInstruction::createDefCfa( 63 0, Hexagon::R30, 0); 64 MAI->addInitialFrameState(Inst); 65 66 return MAI; 67 } 68 69 static MCCodeGenInfo *createHexagonMCCodeGenInfo(StringRef TT, Reloc::Model RM, 70 CodeModel::Model CM, 71 CodeGenOpt::Level OL) { 72 MCCodeGenInfo *X = new MCCodeGenInfo(); 73 // For the time being, use static relocations, since there's really no 74 // support for PIC yet. 75 X->InitMCCodeGenInfo(Reloc::Static, CM, OL); 76 return X; 77 } 78 79 // Force static initialization. 80 extern "C" void LLVMInitializeHexagonTargetMC() { 81 // Register the MC asm info. 82 RegisterMCAsmInfoFn X(TheHexagonTarget, createHexagonMCAsmInfo); 83 84 // Register the MC codegen info. 85 TargetRegistry::RegisterMCCodeGenInfo(TheHexagonTarget, 86 createHexagonMCCodeGenInfo); 87 88 // Register the MC instruction info. 89 TargetRegistry::RegisterMCInstrInfo(TheHexagonTarget, createHexagonMCInstrInfo); 90 91 // Register the MC register info. 92 TargetRegistry::RegisterMCRegInfo(TheHexagonTarget, 93 createHexagonMCRegisterInfo); 94 95 // Register the MC subtarget info. 96 TargetRegistry::RegisterMCSubtargetInfo(TheHexagonTarget, 97 createHexagonMCSubtargetInfo); 98 } 99
