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//===-- RISCVTargetStreamer.h - RISC-V 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_RISCVTARGETSTREAMER_H
#define LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVTARGETSTREAMER_H
#include "RISCV.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
namespace llvm {
class formatted_raw_ostream;
enum class RISCVOptionArchArgType {
Full,
Plus,
Minus,
};
struct RISCVOptionArchArg {
RISCVOptionArchArgType Type;
std::string Value;
RISCVOptionArchArg(RISCVOptionArchArgType Type, std::string Value)
: Type(Type), Value(Value) {}
};
class RISCVTargetStreamer : public MCTargetStreamer {
RISCVABI::ABI TargetABI = RISCVABI::ABI_Unknown;
bool HasRVC = false;
bool HasTSO = false;
public:
RISCVTargetStreamer(MCStreamer &S);
void finish() override;
virtual void reset();
virtual void emitDirectiveOptionPush();
virtual void emitDirectiveOptionPop();
virtual void emitDirectiveOptionPIC();
virtual void emitDirectiveOptionNoPIC();
virtual void emitDirectiveOptionRVC();
virtual void emitDirectiveOptionNoRVC();
virtual void emitDirectiveOptionRelax();
virtual void emitDirectiveOptionNoRelax();
virtual void emitDirectiveOptionArch(ArrayRef<RISCVOptionArchArg> Args);
virtual void emitDirectiveVariantCC(MCSymbol &Symbol);
virtual void emitAttribute(unsigned Attribute, unsigned Value);
virtual void finishAttributeSection();
virtual void emitTextAttribute(unsigned Attribute, StringRef String);
virtual void emitIntTextAttribute(unsigned Attribute, unsigned IntValue,
StringRef StringValue);
void emitTargetAttributes(const MCSubtargetInfo &STI, bool EmitStackAlign);
void setTargetABI(RISCVABI::ABI ABI);
RISCVABI::ABI getTargetABI() const { return TargetABI; }
void setFlagsFromFeatures(const MCSubtargetInfo &STI);
bool hasRVC() const { return HasRVC; }
bool hasTSO() const { return HasTSO; }
};
// This part is for ascii assembly output
class RISCVTargetAsmStreamer : public RISCVTargetStreamer {
formatted_raw_ostream &OS;
void finishAttributeSection() override;
void emitAttribute(unsigned Attribute, unsigned Value) override;
void emitTextAttribute(unsigned Attribute, StringRef String) override;
void emitIntTextAttribute(unsigned Attribute, unsigned IntValue,
StringRef StringValue) override;
public:
RISCVTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
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 emitDirectiveOptionArch(ArrayRef<RISCVOptionArchArg> Args) override;
void emitDirectiveVariantCC(MCSymbol &Symbol) override;
};
}
#endif
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