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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153860 91177308-0d34-0410-b5e6-96231b3b80d8
156 lines
5.5 KiB
C++
156 lines
5.5 KiB
C++
//===-- PPCMCTargetDesc.cpp - PowerPC Target Descriptions -----------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file provides PowerPC specific target descriptions.
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//
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//===----------------------------------------------------------------------===//
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#include "PPCMCTargetDesc.h"
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#include "PPCMCAsmInfo.h"
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#include "InstPrinter/PPCInstPrinter.h"
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#include "llvm/MC/MachineLocation.h"
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#include "llvm/MC/MCCodeGenInfo.h"
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#include "llvm/MC/MCInstrInfo.h"
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#include "llvm/MC/MCRegisterInfo.h"
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#include "llvm/MC/MCStreamer.h"
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#include "llvm/MC/MCSubtargetInfo.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/TargetRegistry.h"
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#define GET_INSTRINFO_MC_DESC
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#include "PPCGenInstrInfo.inc"
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#define GET_SUBTARGETINFO_MC_DESC
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#include "PPCGenSubtargetInfo.inc"
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#define GET_REGINFO_MC_DESC
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#include "PPCGenRegisterInfo.inc"
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using namespace llvm;
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static MCInstrInfo *createPPCMCInstrInfo() {
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MCInstrInfo *X = new MCInstrInfo();
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InitPPCMCInstrInfo(X);
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return X;
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}
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static MCRegisterInfo *createPPCMCRegisterInfo(StringRef TT) {
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Triple TheTriple(TT);
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bool isPPC64 = (TheTriple.getArch() == Triple::ppc64);
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unsigned Flavour = isPPC64 ? 0 : 1;
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unsigned RA = isPPC64 ? PPC::LR8 : PPC::LR;
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MCRegisterInfo *X = new MCRegisterInfo();
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InitPPCMCRegisterInfo(X, RA, Flavour, Flavour);
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return X;
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}
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static MCSubtargetInfo *createPPCMCSubtargetInfo(StringRef TT, StringRef CPU,
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StringRef FS) {
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MCSubtargetInfo *X = new MCSubtargetInfo();
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InitPPCMCSubtargetInfo(X, TT, CPU, FS);
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return X;
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}
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static MCAsmInfo *createPPCMCAsmInfo(const Target &T, StringRef TT) {
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Triple TheTriple(TT);
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bool isPPC64 = TheTriple.getArch() == Triple::ppc64;
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MCAsmInfo *MAI;
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if (TheTriple.isOSDarwin())
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MAI = new PPCMCAsmInfoDarwin(isPPC64);
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else
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MAI = new PPCLinuxMCAsmInfo(isPPC64);
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// Initial state of the frame pointer is R1.
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MachineLocation Dst(MachineLocation::VirtualFP);
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MachineLocation Src(PPC::R1, 0);
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MAI->addInitialFrameState(0, Dst, Src);
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return MAI;
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}
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static MCCodeGenInfo *createPPCMCCodeGenInfo(StringRef TT, Reloc::Model RM,
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CodeModel::Model CM,
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CodeGenOpt::Level OL) {
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MCCodeGenInfo *X = new MCCodeGenInfo();
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if (RM == Reloc::Default) {
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Triple T(TT);
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if (T.isOSDarwin())
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RM = Reloc::DynamicNoPIC;
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else
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RM = Reloc::Static;
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}
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X->InitMCCodeGenInfo(RM, CM, OL);
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return X;
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}
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// This is duplicated code. Refactor this.
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static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
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MCContext &Ctx, MCAsmBackend &MAB,
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raw_ostream &OS,
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MCCodeEmitter *Emitter,
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bool RelaxAll,
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bool NoExecStack) {
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if (Triple(TT).isOSDarwin())
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return createMachOStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
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return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll, NoExecStack);
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}
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static MCInstPrinter *createPPCMCInstPrinter(const Target &T,
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unsigned SyntaxVariant,
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const MCAsmInfo &MAI,
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const MCInstrInfo &MII,
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const MCRegisterInfo &MRI,
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const MCSubtargetInfo &STI) {
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return new PPCInstPrinter(MAI, MII, MRI, SyntaxVariant);
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}
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extern "C" void LLVMInitializePowerPCTargetMC() {
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// Register the MC asm info.
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RegisterMCAsmInfoFn C(ThePPC32Target, createPPCMCAsmInfo);
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RegisterMCAsmInfoFn D(ThePPC64Target, createPPCMCAsmInfo);
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// Register the MC codegen info.
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TargetRegistry::RegisterMCCodeGenInfo(ThePPC32Target, createPPCMCCodeGenInfo);
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TargetRegistry::RegisterMCCodeGenInfo(ThePPC64Target, createPPCMCCodeGenInfo);
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// Register the MC instruction info.
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TargetRegistry::RegisterMCInstrInfo(ThePPC32Target, createPPCMCInstrInfo);
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TargetRegistry::RegisterMCInstrInfo(ThePPC64Target, createPPCMCInstrInfo);
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// Register the MC register info.
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TargetRegistry::RegisterMCRegInfo(ThePPC32Target, createPPCMCRegisterInfo);
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TargetRegistry::RegisterMCRegInfo(ThePPC64Target, createPPCMCRegisterInfo);
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// Register the MC subtarget info.
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TargetRegistry::RegisterMCSubtargetInfo(ThePPC32Target,
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createPPCMCSubtargetInfo);
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TargetRegistry::RegisterMCSubtargetInfo(ThePPC64Target,
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createPPCMCSubtargetInfo);
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// Register the MC Code Emitter
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TargetRegistry::RegisterMCCodeEmitter(ThePPC32Target, createPPCMCCodeEmitter);
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TargetRegistry::RegisterMCCodeEmitter(ThePPC64Target, createPPCMCCodeEmitter);
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// Register the asm backend.
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TargetRegistry::RegisterMCAsmBackend(ThePPC32Target, createPPCAsmBackend);
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TargetRegistry::RegisterMCAsmBackend(ThePPC64Target, createPPCAsmBackend);
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// Register the object streamer.
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TargetRegistry::RegisterMCObjectStreamer(ThePPC32Target, createMCStreamer);
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TargetRegistry::RegisterMCObjectStreamer(ThePPC64Target, createMCStreamer);
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// Register the MCInstPrinter.
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TargetRegistry::RegisterMCInstPrinter(ThePPC32Target, createPPCMCInstPrinter);
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TargetRegistry::RegisterMCInstPrinter(ThePPC64Target, createPPCMCInstPrinter);
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}
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