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//===-- CSKYMCExpr.h - CSKY 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_LANAI_MCTARGETDESC_LANAIMCEXPR_H
#define LLVM_LIB_TARGET_LANAI_MCTARGETDESC_LANAIMCEXPR_H
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCValue.h"
namespace llvm {
class CSKYMCExpr : public MCTargetExpr {
public:
enum VariantKind {
VK_CSKY_None,
VK_CSKY_ADDR,
VK_CSKY_ADDR_HI16,
VK_CSKY_ADDR_LO16,
VK_CSKY_PCREL,
VK_CSKY_GOT,
VK_CSKY_GOT_IMM18_BY4,
VK_CSKY_GOTPC,
VK_CSKY_GOTOFF,
VK_CSKY_PLT,
VK_CSKY_PLT_IMM18_BY4,
VK_CSKY_TLSIE,
VK_CSKY_TLSLE,
VK_CSKY_TLSGD,
VK_CSKY_TLSLDO,
VK_CSKY_TLSLDM,
VK_CSKY_Invalid
};
private:
const VariantKind Kind;
const MCExpr *Expr;
explicit CSKYMCExpr(VariantKind Kind, const MCExpr *Expr)
: Kind(Kind), Expr(Expr) {}
public:
static const CSKYMCExpr *create(const MCExpr *Expr, VariantKind Kind,
MCContext &Ctx);
// Returns the kind of this expression.
VariantKind getKind() const { return Kind; }
// Returns 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;
}
static StringRef getVariantKindName(VariantKind Kind);
};
} // end namespace llvm
#endif
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