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//===-- PPCMCTargetDesc.cpp - PowerPC 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 PowerPC specific target descriptions.
//
//===----------------------------------------------------------------------===//
#include "PPCMCTargetDesc.h"
#include "PPCMCAsmInfo.h"
#include "InstPrinter/PPCInstPrinter.h"
#include "llvm/MC/MachineLocation.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/TargetRegistry.h"
#define GET_INSTRINFO_MC_DESC
#include "PPCGenInstrInfo.inc"
#define GET_SUBTARGETINFO_MC_DESC
#include "PPCGenSubtargetInfo.inc"
#define GET_REGINFO_MC_DESC
#include "PPCGenRegisterInfo.inc"
using namespace llvm;
static MCInstrInfo *createPPCMCInstrInfo() {
MCInstrInfo *X = new MCInstrInfo();
InitPPCMCInstrInfo(X);
return X;
}
static MCRegisterInfo *createPPCMCRegisterInfo(StringRef TT) {
Triple TheTriple(TT);
bool isPPC64 = (TheTriple.getArch() == Triple::ppc64);
unsigned Flavour = isPPC64 ? 0 : 1;
unsigned RA = isPPC64 ? PPC::LR8 : PPC::LR;
MCRegisterInfo *X = new MCRegisterInfo();
InitPPCMCRegisterInfo(X, RA, Flavour, Flavour);
return X;
}
static MCSubtargetInfo *createPPCMCSubtargetInfo(StringRef TT, StringRef CPU,
StringRef FS) {
MCSubtargetInfo *X = new MCSubtargetInfo();
InitPPCMCSubtargetInfo(X, TT, CPU, FS);
return X;
}
static MCAsmInfo *createPPCMCAsmInfo(const Target &T, StringRef TT) {
Triple TheTriple(TT);
bool isPPC64 = TheTriple.getArch() == Triple::ppc64;
MCAsmInfo *MAI;
if (TheTriple.isOSDarwin())
MAI = new PPCMCAsmInfoDarwin(isPPC64);
else
MAI = new PPCLinuxMCAsmInfo(isPPC64);
// Initial state of the frame pointer is R1.
MachineLocation Dst(MachineLocation::VirtualFP);
MachineLocation Src(PPC::R1, 0);
MAI->addInitialFrameState(0, Dst, Src);
return MAI;
}
static MCCodeGenInfo *createPPCMCCodeGenInfo(StringRef TT, Reloc::Model RM,
CodeModel::Model CM) {
MCCodeGenInfo *X = new MCCodeGenInfo();
if (RM == Reloc::Default) {
Triple T(TT);
if (T.isOSDarwin())
RM = Reloc::DynamicNoPIC;
else
RM = Reloc::Static;
}
X->InitMCCodeGenInfo(RM, CM);
return X;
}
// This is duplicated code. Refactor this.
static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
MCContext &Ctx, MCAsmBackend &MAB,
raw_ostream &OS,
MCCodeEmitter *Emitter,
bool RelaxAll,
bool NoExecStack) {
if (Triple(TT).isOSDarwin())
return createMachOStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll, NoExecStack);
}
static MCInstPrinter *createPPCMCInstPrinter(const Target &T,
unsigned SyntaxVariant,
const MCAsmInfo &MAI,
const MCSubtargetInfo &STI) {
return new PPCInstPrinter(MAI, SyntaxVariant);
}
extern "C" void LLVMInitializePowerPCTargetMC() {
// Register the MC asm info.
RegisterMCAsmInfoFn C(ThePPC32Target, createPPCMCAsmInfo);
RegisterMCAsmInfoFn D(ThePPC64Target, createPPCMCAsmInfo);
// Register the MC codegen info.
TargetRegistry::RegisterMCCodeGenInfo(ThePPC32Target, createPPCMCCodeGenInfo);
TargetRegistry::RegisterMCCodeGenInfo(ThePPC64Target, createPPCMCCodeGenInfo);
// Register the MC instruction info.
TargetRegistry::RegisterMCInstrInfo(ThePPC32Target, createPPCMCInstrInfo);
TargetRegistry::RegisterMCInstrInfo(ThePPC64Target, createPPCMCInstrInfo);
// Register the MC register info.
TargetRegistry::RegisterMCRegInfo(ThePPC32Target, createPPCMCRegisterInfo);
TargetRegistry::RegisterMCRegInfo(ThePPC64Target, createPPCMCRegisterInfo);
// Register the MC subtarget info.
TargetRegistry::RegisterMCSubtargetInfo(ThePPC32Target,
createPPCMCSubtargetInfo);
TargetRegistry::RegisterMCSubtargetInfo(ThePPC64Target,
createPPCMCSubtargetInfo);
// Register the MC Code Emitter
TargetRegistry::RegisterMCCodeEmitter(ThePPC32Target, createPPCMCCodeEmitter);
TargetRegistry::RegisterMCCodeEmitter(ThePPC64Target, createPPCMCCodeEmitter);
// Register the asm backend.
TargetRegistry::RegisterMCAsmBackend(ThePPC32Target, createPPCAsmBackend);
TargetRegistry::RegisterMCAsmBackend(ThePPC64Target, createPPCAsmBackend);
// Register the object streamer.
TargetRegistry::RegisterMCObjectStreamer(ThePPC32Target, createMCStreamer);
TargetRegistry::RegisterMCObjectStreamer(ThePPC64Target, createMCStreamer);
// Register the MCInstPrinter.
TargetRegistry::RegisterMCInstPrinter(ThePPC32Target, createPPCMCInstPrinter);
TargetRegistry::RegisterMCInstPrinter(ThePPC64Target, createPPCMCInstPrinter);
}
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