llvm/llvm/lib/Target/Hexagon/MCTargetDesc/HexagonMCELFStreamer.cpp

//=== HexagonMCELFStreamer.cpp - Hexagon subclass of MCELFStreamer -------===//
//
// 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 is a stub that parses a MCInst bundle and passes the
// instructions on to the real streamer.
//
//===----------------------------------------------------------------------===//

#include "MCTargetDesc/HexagonMCELFStreamer.h"
#include "HexagonTargetStreamer.h"
#include "MCTargetDesc/HexagonMCChecker.h"
#include "MCTargetDesc/HexagonMCInstrInfo.h"
#include "MCTargetDesc/HexagonMCShuffler.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/MCExpr.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCObjectStreamer.h"
#include "llvm/MC/MCObjectWriter.h"
#include "llvm/MC/MCSection.h"
#include "llvm/MC/MCSectionELF.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/MC/MCSymbolELF.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/HexagonAttributes.h"
#include "llvm/Support/MathExtras.h"
#include <cassert>
#include <cstdint>

#define DEBUG_TYPE …

usingnamespacellvm;

static cl::opt<unsigned> GPSize
  ("gpsize", cl::NotHidden,
   cl::desc("Global Pointer Addressing Size.  The default size is 8."),
   cl::Prefix,
   cl::init(8));

HexagonMCELFStreamer::HexagonMCELFStreamer(
    MCContext &Context, std::unique_ptr<MCAsmBackend> TAB,
    std::unique_ptr<MCObjectWriter> OW, std::unique_ptr<MCCodeEmitter> Emitter)
    : … { … }

HexagonMCELFStreamer::HexagonMCELFStreamer(
    MCContext &Context, std::unique_ptr<MCAsmBackend> TAB,
    std::unique_ptr<MCObjectWriter> OW, std::unique_ptr<MCCodeEmitter> Emitter,
    MCAssembler *Assembler)
    : … { … }

void HexagonMCELFStreamer::emitInstruction(const MCInst &MCB,
                                           const MCSubtargetInfo &STI) { … }

void HexagonMCELFStreamer::EmitSymbol(const MCInst &Inst) { … }

// EmitCommonSymbol and EmitLocalCommonSymbol are extended versions of the
// functions found in MCELFStreamer.cpp taking AccessSize as an additional
// parameter.
void HexagonMCELFStreamer::HexagonMCEmitCommonSymbol(MCSymbol *Symbol,
                                                     uint64_t Size,
                                                     Align ByteAlignment,
                                                     unsigned AccessSize) { … }

void HexagonMCELFStreamer::HexagonMCEmitLocalCommonSymbol(MCSymbol *Symbol,
                                                          uint64_t Size,
                                                          Align ByteAlignment,
                                                          unsigned AccessSize) { … }

static unsigned featureToArchVersion(unsigned Feature) { … }

void HexagonTargetStreamer::emitTargetAttributes(const MCSubtargetInfo &STI) { … }

namespace llvm {
MCStreamer *createHexagonELFStreamer(Triple const &TT, MCContext &Context,
                                     std::unique_ptr<MCAsmBackend> MAB,
                                     std::unique_ptr<MCObjectWriter> OW,
                                     std::unique_ptr<MCCodeEmitter> CE) { … }

} // end namespace llvm