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//===-- RISCVELFStreamer.h - RISC-V ELF Target Streamer ---------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVELFSTREAMER_H
#define LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVELFSTREAMER_H
#include "RISCVTargetStreamer.h"
#include "llvm/MC/MCELFStreamer.h"
namespace llvm {
class RISCVELFStreamer : public MCELFStreamer {
void reset() override;
void emitDataMappingSymbol();
void emitInstructionsMappingSymbol();
void emitMappingSymbol(StringRef Name);
enum ElfMappingSymbol { EMS_None, EMS_Instructions, EMS_Data };
DenseMap<const MCSection *, ElfMappingSymbol> LastMappingSymbols;
ElfMappingSymbol LastEMS = EMS_None;
public:
RISCVELFStreamer(MCContext &C, std::unique_ptr<MCAsmBackend> MAB,
std::unique_ptr<MCObjectWriter> MOW,
std::unique_ptr<MCCodeEmitter> MCE)
: MCELFStreamer(C, std::move(MAB), std::move(MOW), std::move(MCE)) {}
void changeSection(MCSection *Section, uint32_t Subsection) override;
void emitInstruction(const MCInst &Inst, const MCSubtargetInfo &STI) override;
void emitBytes(StringRef Data) override;
void emitFill(const MCExpr &NumBytes, uint64_t FillValue, SMLoc Loc) override;
void emitValueImpl(const MCExpr *Value, unsigned Size, SMLoc Loc) override;
};
class RISCVTargetELFStreamer : public RISCVTargetStreamer {
private:
StringRef CurrentVendor;
MCSection *AttributeSection = nullptr;
void emitAttribute(unsigned Attribute, unsigned Value) override;
void emitTextAttribute(unsigned Attribute, StringRef String) override;
void emitIntTextAttribute(unsigned Attribute, unsigned IntValue,
StringRef StringValue) override;
void finishAttributeSection() override;
void reset() override;
public:
RISCVELFStreamer &getStreamer();
RISCVTargetELFStreamer(MCStreamer &S, const MCSubtargetInfo &STI);
void emitDirectiveOptionPush() override;
void emitDirectiveOptionPop() override;
void emitDirectiveOptionPIC() override;
void emitDirectiveOptionNoPIC() override;
void emitDirectiveOptionRVC() override;
void emitDirectiveOptionNoRVC() override;
void emitDirectiveOptionRelax() override;
void emitDirectiveOptionNoRelax() override;
void emitDirectiveVariantCC(MCSymbol &Symbol) override;
void finish() override;
};
MCELFStreamer *createRISCVELFStreamer(MCContext &C,
std::unique_ptr<MCAsmBackend> MAB,
std::unique_ptr<MCObjectWriter> MOW,
std::unique_ptr<MCCodeEmitter> MCE);
} // namespace llvm
#endif // LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVELFSTREAMER_H
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