llvm/llvm/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp

//===-- PPCMCTargetDesc.cpp - PowerPC Target Descriptions -----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file provides PowerPC specific target descriptions.
//
//===----------------------------------------------------------------------===//

#include "MCTargetDesc/PPCMCTargetDesc.h"
#include "MCTargetDesc/PPCInstPrinter.h"
#include "MCTargetDesc/PPCMCAsmInfo.h"
#include "PPCELFStreamer.h"
#include "PPCTargetStreamer.h"
#include "PPCXCOFFStreamer.h"
#include "TargetInfo/PowerPCTargetInfo.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/MC/MCAsmBackend.h"
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCCodeEmitter.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCDwarf.h"
#include "llvm/MC/MCELFObjectWriter.h"
#include "llvm/MC/MCELFStreamer.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCInstrAnalysis.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCRegisterInfo.h"
#include "llvm/MC/MCSectionXCOFF.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCSymbolELF.h"
#include "llvm/MC/MCSymbolXCOFF.h"
#include "llvm/MC/TargetRegistry.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/TargetParser/Triple.h"

usingnamespacellvm;

#define GET_INSTRINFO_MC_DESC
#define ENABLE_INSTR_PREDICATE_VERIFIER
#include "PPCGenInstrInfo.inc"

#define GET_SUBTARGETINFO_MC_DESC
#include "PPCGenSubtargetInfo.inc"

#define GET_REGINFO_MC_DESC
#include "PPCGenRegisterInfo.inc"

/// stripRegisterPrefix - This method strips the character prefix from a
/// register name so that only the number is left.  Used by for linux asm.
const char *PPC::stripRegisterPrefix(const char *RegName) { … }

/// getRegNumForOperand - some operands use different numbering schemes
/// for the same registers. For example, a VSX instruction may have any of
/// vs0-vs63 allocated whereas an Altivec instruction could only have
/// vs32-vs63 allocated (numbered as v0-v31). This function returns the actual
/// register number needed for the opcode/operand number combination.
/// The operand number argument will be useful when we need to extend this
/// to instructions that use both Altivec and VSX numbering (for different
/// operands).
unsigned PPC::getRegNumForOperand(const MCInstrDesc &Desc, unsigned Reg,
                                  unsigned OpNo) { … }

PPCTargetStreamer::PPCTargetStreamer(MCStreamer &S) : … { … }

// Pin the vtable to this file.
PPCTargetStreamer::~PPCTargetStreamer() = default;

static MCInstrInfo *createPPCMCInstrInfo() { … }

static MCRegisterInfo *createPPCMCRegisterInfo(const Triple &TT) { … }

static MCSubtargetInfo *createPPCMCSubtargetInfo(const Triple &TT,
                                                 StringRef CPU, StringRef FS) { … }

static MCAsmInfo *createPPCMCAsmInfo(const MCRegisterInfo &MRI,
                                     const Triple &TheTriple,
                                     const MCTargetOptions &Options) { … }

static MCStreamer *
createPPCELFStreamer(const Triple &T, MCContext &Context,
                     std::unique_ptr<MCAsmBackend> &&MAB,
                     std::unique_ptr<MCObjectWriter> &&OW,
                     std::unique_ptr<MCCodeEmitter> &&Emitter) { … }

static MCStreamer *
createPPCXCOFFStreamer(const Triple &T, MCContext &Context,
                       std::unique_ptr<MCAsmBackend> &&MAB,
                       std::unique_ptr<MCObjectWriter> &&OW,
                       std::unique_ptr<MCCodeEmitter> &&Emitter) { … }

namespace {

class PPCTargetAsmStreamer : public PPCTargetStreamer { … };

class PPCTargetELFStreamer : public PPCTargetStreamer { … };

class PPCTargetMachOStreamer : public PPCTargetStreamer { … };

class PPCTargetXCOFFStreamer : public PPCTargetStreamer { … };

} // end anonymous namespace

static MCTargetStreamer *createAsmTargetStreamer(MCStreamer &S,
                                                 formatted_raw_ostream &OS,
                                                 MCInstPrinter *InstPrint) { … }

static MCTargetStreamer *createNullTargetStreamer(MCStreamer &S) { … }

static MCTargetStreamer *
createObjectTargetStreamer(MCStreamer &S, const MCSubtargetInfo &STI) { … }

static MCInstPrinter *createPPCMCInstPrinter(const Triple &T,
                                             unsigned SyntaxVariant,
                                             const MCAsmInfo &MAI,
                                             const MCInstrInfo &MII,
                                             const MCRegisterInfo &MRI) { … }

namespace {

class PPCMCInstrAnalysis : public MCInstrAnalysis { … };

} // end anonymous namespace

static MCInstrAnalysis *createPPCMCInstrAnalysis(const MCInstrInfo *Info) { … }

extern "C" LLVM_EXTERNAL_VISIBILITY void LLVMInitializePowerPCTargetMC() { … }