1 //===-- BPFMCTargetDesc.cpp - BPF 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 BPF specific target descriptions.
12 //===----------------------------------------------------------------------===//
15 #include "BPFMCTargetDesc.h"
16 #include "BPFMCAsmInfo.h"
17 #include "InstPrinter/BPFInstPrinter.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"
26 #define GET_INSTRINFO_MC_DESC
27 #include "BPFGenInstrInfo.inc"
29 #define GET_SUBTARGETINFO_MC_DESC
30 #include "BPFGenSubtargetInfo.inc"
32 #define GET_REGINFO_MC_DESC
33 #include "BPFGenRegisterInfo.inc"
37 static MCInstrInfo *createBPFMCInstrInfo() {
38 MCInstrInfo *X = new MCInstrInfo();
39 InitBPFMCInstrInfo(X);
43 static MCRegisterInfo *createBPFMCRegisterInfo(StringRef TT) {
44 MCRegisterInfo *X = new MCRegisterInfo();
45 InitBPFMCRegisterInfo(X, BPF::R11 /* RAReg doesn't exist */);
49 static MCSubtargetInfo *createBPFMCSubtargetInfo(StringRef TT, StringRef CPU,
51 MCSubtargetInfo *X = new MCSubtargetInfo();
52 InitBPFMCSubtargetInfo(X, TT, CPU, FS);
56 static MCCodeGenInfo *createBPFMCCodeGenInfo(StringRef TT, Reloc::Model RM,
58 CodeGenOpt::Level OL) {
59 MCCodeGenInfo *X = new MCCodeGenInfo();
60 X->InitMCCodeGenInfo(RM, CM, OL);
64 static MCStreamer *createBPFMCStreamer(const Triple &T,
65 MCContext &Ctx, MCAsmBackend &MAB,
66 raw_ostream &OS, MCCodeEmitter *Emitter,
68 return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
71 static MCInstPrinter *
72 createBPFMCInstPrinter(const Target &T, unsigned SyntaxVariant,
73 const MCAsmInfo &MAI, const MCInstrInfo &MII,
74 const MCRegisterInfo &MRI, const MCSubtargetInfo &STI) {
75 if (SyntaxVariant == 0)
76 return new BPFInstPrinter(MAI, MII, MRI);
80 extern "C" void LLVMInitializeBPFTargetMC() {
81 // Register the MC asm info.
82 RegisterMCAsmInfo<BPFMCAsmInfo> X(TheBPFTarget);
84 // Register the MC codegen info.
85 TargetRegistry::RegisterMCCodeGenInfo(TheBPFTarget, createBPFMCCodeGenInfo);
87 // Register the MC instruction info.
88 TargetRegistry::RegisterMCInstrInfo(TheBPFTarget, createBPFMCInstrInfo);
90 // Register the MC register info.
91 TargetRegistry::RegisterMCRegInfo(TheBPFTarget, createBPFMCRegisterInfo);
93 // Register the MC subtarget info.
94 TargetRegistry::RegisterMCSubtargetInfo(TheBPFTarget,
95 createBPFMCSubtargetInfo);
97 // Register the MC code emitter
98 TargetRegistry::RegisterMCCodeEmitter(TheBPFTarget,
99 llvm::createBPFMCCodeEmitter);
101 // Register the ASM Backend
102 TargetRegistry::RegisterMCAsmBackend(TheBPFTarget, createBPFAsmBackend);
104 // Register the object streamer
105 TargetRegistry::RegisterELFStreamer(TheBPFTarget, createBPFMCStreamer);
107 // Register the MCInstPrinter.
108 TargetRegistry::RegisterMCInstPrinter(TheBPFTarget, createBPFMCInstPrinter);