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94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
//===- MipsMCExpr.h - Mips specific MC expression classes -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSMCEXPR_H
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#define LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSMCEXPR_H
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#include "llvm/MC/MCAsmLayout.h"
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#include "llvm/MC/MCExpr.h"
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#include "llvm/MC/MCValue.h"
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namespace llvm {
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class MipsMCExpr : public MCTargetExpr {
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public:
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enum MipsExprKind {
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MEK_None,
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MEK_CALL_HI16,
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MEK_CALL_LO16,
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MEK_DTPREL_HI,
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MEK_DTPREL_LO,
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MEK_GOT,
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MEK_GOTTPREL,
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MEK_GOT_CALL,
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MEK_GOT_DISP,
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MEK_GOT_HI16,
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MEK_GOT_LO16,
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MEK_GOT_OFST,
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MEK_GOT_PAGE,
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MEK_GPREL,
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MEK_HI,
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MEK_HIGHER,
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MEK_HIGHEST,
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MEK_LO,
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MEK_NEG,
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MEK_PCREL_HI16,
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MEK_PCREL_LO16,
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MEK_TLSGD,
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MEK_TLSLDM,
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MEK_TPREL_HI,
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MEK_TPREL_LO,
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MEK_Special,
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};
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private:
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const MipsExprKind Kind;
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const MCExpr *Expr;
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explicit MipsMCExpr(MipsExprKind Kind, const MCExpr *Expr)
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: Kind(Kind), Expr(Expr) {}
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public:
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static const MipsMCExpr *create(MipsExprKind Kind, const MCExpr *Expr,
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MCContext &Ctx);
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static const MipsMCExpr *createGpOff(MipsExprKind Kind, const MCExpr *Expr,
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MCContext &Ctx);
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/// Get the kind of this expression.
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MipsExprKind getKind() const { return Kind; }
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/// Get the child of this expression.
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const MCExpr *getSubExpr() const { return Expr; }
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void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
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bool evaluateAsRelocatableImpl(MCValue &Res, const MCAsmLayout *Layout,
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const MCFixup *Fixup) const override;
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void visitUsedExpr(MCStreamer &Streamer) const override;
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MCFragment *findAssociatedFragment() const override {
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return getSubExpr()->findAssociatedFragment();
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}
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void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override;
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static bool classof(const MCExpr *E) {
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return E->getKind() == MCExpr::Target;
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}
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bool isGpOff(MipsExprKind &Kind) const;
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bool isGpOff() const {
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MipsExprKind Kind;
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return isGpOff(Kind);
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}
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};
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} // end namespace llvm
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#endif // LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSMCEXPR_H
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