| //===- MipsMCExpr.h - Mips specific MC expression classes -------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #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_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 |