MipsMCExpr.h
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//===- MipsMCExpr.h - Mips specific MC expression classes -------*- 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_MIPS_MCTARGETDESC_MIPSMCEXPR_H
#define LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSMCEXPR_H
#include "llvm/MC/MCAsmLayout.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCValue.h"
namespace llvm {
class MipsMCExpr : public MCTargetExpr {
public:
enum MipsExprKind {
MEK_None,
MEK_CALL_HI16,
MEK_CALL_LO16,
MEK_DTPREL,
MEK_DTPREL_HI,
MEK_DTPREL_LO,
MEK_GOT,
MEK_GOTTPREL,
MEK_GOT_CALL,
MEK_GOT_DISP,
MEK_GOT_HI16,
MEK_GOT_LO16,
MEK_GOT_OFST,
MEK_GOT_PAGE,
MEK_GPREL,
MEK_HI,
MEK_HIGHER,
MEK_HIGHEST,
MEK_LO,
MEK_NEG,
MEK_PCREL_HI16,
MEK_PCREL_LO16,
MEK_TLSGD,
MEK_TLSLDM,
MEK_TPREL_HI,
MEK_TPREL_LO,
MEK_Special,
};
private:
const MipsExprKind Kind;
const MCExpr *Expr;
explicit MipsMCExpr(MipsExprKind Kind, const MCExpr *Expr)
: Kind(Kind), Expr(Expr) {}
public:
static const MipsMCExpr *create(MipsExprKind Kind, const MCExpr *Expr,
MCContext &Ctx);
static const MipsMCExpr *createGpOff(MipsExprKind Kind, const MCExpr *Expr,
MCContext &Ctx);
/// Get the kind of this expression.
MipsExprKind getKind() const { return Kind; }
/// Get the child of this expression.
const MCExpr *getSubExpr() const { return Expr; }
void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
bool evaluateAsRelocatableImpl(MCValue &Res, const MCAsmLayout *Layout,
const MCFixup *Fixup) const override;
void visitUsedExpr(MCStreamer &Streamer) const override;
MCFragment *findAssociatedFragment() const override {
return getSubExpr()->findAssociatedFragment();
}
void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override;
static bool classof(const MCExpr *E) {
return E->getKind() == MCExpr::Target;
}
bool isGpOff(MipsExprKind &Kind) const;
bool isGpOff() const {
MipsExprKind Kind;
return isGpOff(Kind);
}
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSMCEXPR_H