1 //===-- HexagonMCTargetDesc.cpp - Hexagon 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 Hexagon specific target descriptions.
12 //===----------------------------------------------------------------------===//
14 #include "HexagonMCTargetDesc.h"
15 #include "HexagonMCAsmInfo.h"
16 #include "MCTargetDesc/HexagonInstPrinter.h"
17 #include "MCTargetDesc/HexagonMCInst.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/MCStreamer.h"
23 #include "llvm/MC/MCSubtargetInfo.h"
24 #include "llvm/MC/MachineLocation.h"
25 #include "llvm/Support/ErrorHandling.h"
26 #include "llvm/Support/TargetRegistry.h"
30 #define GET_INSTRINFO_MC_DESC
31 #include "HexagonGenInstrInfo.inc"
33 #define GET_SUBTARGETINFO_MC_DESC
34 #include "HexagonGenSubtargetInfo.inc"
36 #define GET_REGINFO_MC_DESC
37 #include "HexagonGenRegisterInfo.inc"
39 static MCInstrInfo *createHexagonMCInstrInfo() {
40 MCInstrInfo *X = new MCInstrInfo();
41 InitHexagonMCInstrInfo(X);
45 static MCRegisterInfo *createHexagonMCRegisterInfo(StringRef TT) {
46 MCRegisterInfo *X = new MCRegisterInfo();
47 InitHexagonMCRegisterInfo(X, Hexagon::R0);
52 createHexagonELFStreamer(MCContext &Context, MCAsmBackend &MAB,
53 raw_ostream &OS, MCCodeEmitter *CE,
55 MCELFStreamer *ES = new MCELFStreamer(Context, MAB, OS, CE);
60 static MCSubtargetInfo *
61 createHexagonMCSubtargetInfo(StringRef TT, StringRef CPU, StringRef FS) {
62 MCSubtargetInfo *X = new MCSubtargetInfo();
63 InitHexagonMCSubtargetInfo(X, TT, CPU, FS);
67 static MCAsmInfo *createHexagonMCAsmInfo(const MCRegisterInfo &MRI,
69 MCAsmInfo *MAI = new HexagonMCAsmInfo(TT);
71 // VirtualFP = (R30 + #0).
72 MCCFIInstruction Inst =
73 MCCFIInstruction::createDefCfa(nullptr, Hexagon::R30, 0);
74 MAI->addInitialFrameState(Inst);
79 static MCStreamer *createMCStreamer(Target const &T, StringRef TT,
80 MCContext &Context, MCAsmBackend &MAB,
81 raw_ostream &OS, MCCodeEmitter *Emitter,
82 MCSubtargetInfo const &STI, bool RelaxAll) {
83 MCStreamer *ES = createHexagonELFStreamer(Context, MAB, OS, Emitter, RelaxAll);
84 new MCTargetStreamer(*ES);
89 static MCCodeGenInfo *createHexagonMCCodeGenInfo(StringRef TT, Reloc::Model RM,
91 CodeGenOpt::Level OL) {
92 MCCodeGenInfo *X = new MCCodeGenInfo();
93 // For the time being, use static relocations, since there's really no
94 // support for PIC yet.
95 X->InitMCCodeGenInfo(Reloc::Static, CM, OL);
98 static MCInstPrinter *createHexagonMCInstPrinter(const Target &T,
99 unsigned SyntaxVariant,
100 const MCAsmInfo &MAI,
101 const MCInstrInfo &MII,
102 const MCRegisterInfo &MRI,
103 const MCSubtargetInfo &STI) {
104 return new HexagonInstPrinter(MAI, MII, MRI);
107 // Force static initialization.
108 extern "C" void LLVMInitializeHexagonTargetMC() {
109 // Register the MC asm info.
110 RegisterMCAsmInfoFn X(TheHexagonTarget, createHexagonMCAsmInfo);
112 // Register the MC codegen info.
113 TargetRegistry::RegisterMCCodeGenInfo(TheHexagonTarget,
114 createHexagonMCCodeGenInfo);
116 // Register the MC instruction info.
117 TargetRegistry::RegisterMCInstrInfo(TheHexagonTarget,
118 createHexagonMCInstrInfo);
119 HexagonMCInst::MCII.reset (createHexagonMCInstrInfo());
121 // Register the MC register info.
122 TargetRegistry::RegisterMCRegInfo(TheHexagonTarget,
123 createHexagonMCRegisterInfo);
125 // Register the MC subtarget info.
126 TargetRegistry::RegisterMCSubtargetInfo(TheHexagonTarget,
127 createHexagonMCSubtargetInfo);
129 // Register the MC Code Emitter
130 TargetRegistry::RegisterMCCodeEmitter(TheHexagonTarget,
131 createHexagonMCCodeEmitter);
133 // Register the MC Inst Printer
134 TargetRegistry::RegisterMCInstPrinter(TheHexagonTarget,
135 createHexagonMCInstPrinter);
137 // Register the asm backend
138 TargetRegistry::RegisterMCAsmBackend(TheHexagonTarget,
139 createHexagonAsmBackend);
141 // Register the obj streamer
142 TargetRegistry::RegisterMCObjectStreamer(TheHexagonTarget, createMCStreamer);