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//===-- AArch64MCTargetDesc.cpp - AArch64 Target Descriptions ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides AArch64 specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "AArch64MCTargetDesc.h"
#include "AArch64ELFStreamer.h"
#include "AArch64MCAsmInfo.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/TargetRegistry.h"
using namespace llvm_ks;
#define GET_INSTRINFO_MC_DESC
#include "AArch64GenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "AArch64GenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "AArch64GenRegisterInfo.inc"
static MCInstrInfo *createAArch64MCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitAArch64MCInstrInfo(X);
return X;
}
static MCSubtargetInfo *
createAArch64MCSubtargetInfo(const Triple &TT, StringRef CPU, StringRef FS) {
if (CPU.empty())
CPU = "generic";
return createAArch64MCSubtargetInfoImpl(TT, CPU, FS);
}
static MCRegisterInfo *createAArch64MCRegisterInfo(const Triple &Triple) {
MCRegisterInfo *X = new MCRegisterInfo();
InitAArch64MCRegisterInfo(X, AArch64::LR);
return X;
}
static MCAsmInfo *createAArch64MCAsmInfo(const MCRegisterInfo &MRI,
const Triple &TheTriple) {
MCAsmInfo *MAI;
if (TheTriple.isOSBinFormatMachO())
MAI = new AArch64MCAsmInfoDarwin();
else {
assert(TheTriple.isOSBinFormatELF() && "Only expect Darwin or ELF");
MAI = new AArch64MCAsmInfoELF(TheTriple);
}
// Initial state of the frame pointer is SP.
unsigned Reg = MRI.getDwarfRegNum(AArch64::SP, true);
MCCFIInstruction Inst = MCCFIInstruction::createDefCfa(nullptr, Reg, 0);
MAI->addInitialFrameState(Inst);
return MAI;
}
// Force static initialization.
extern "C" void LLVMInitializeAArch64TargetMC() {
for (Target *T :
{&TheAArch64leTarget, &TheAArch64beTarget, &TheARM64Target}) {
// Register the MC asm info.
RegisterMCAsmInfoFn X(*T, createAArch64MCAsmInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(*T, createAArch64MCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(*T, createAArch64MCRegisterInfo);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(*T, createAArch64MCSubtargetInfo);
// Register the MC Code Emitter
TargetRegistry::RegisterMCCodeEmitter(*T, createAArch64MCCodeEmitter);
}
// Register the asm backend.
for (Target *T : {&TheAArch64leTarget, &TheARM64Target})
TargetRegistry::RegisterMCAsmBackend(*T, createAArch64leAsmBackend);
TargetRegistry::RegisterMCAsmBackend(TheAArch64beTarget,
createAArch64beAsmBackend);
}