//==- AArch64MCExpr.h - AArch64 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. // //===----------------------------------------------------------------------===// // // This file describes AArch64-specific MCExprs, used for modifiers like // ":lo12:" or ":gottprel_g1:". // //===----------------------------------------------------------------------===// #ifndef LLVM_AARCH64MCEXPR_H #define LLVM_AARCH64MCEXPR_H #include "llvm/MC/MCExpr.h" namespace llvm { class AArch64MCExpr : public MCTargetExpr { public: enum VariantKind { VK_AARCH64_None, VK_AARCH64_GOT, // :got: modifier in assembly VK_AARCH64_GOT_LO12, // :got_lo12: VK_AARCH64_LO12, // :lo12: VK_AARCH64_ABS_G0, // :abs_g0: VK_AARCH64_ABS_G0_NC, // :abs_g0_nc: VK_AARCH64_ABS_G1, VK_AARCH64_ABS_G1_NC, VK_AARCH64_ABS_G2, VK_AARCH64_ABS_G2_NC, VK_AARCH64_ABS_G3, VK_AARCH64_SABS_G0, // :abs_g0_s: VK_AARCH64_SABS_G1, VK_AARCH64_SABS_G2, VK_AARCH64_DTPREL_G2, // :dtprel_g2: VK_AARCH64_DTPREL_G1, VK_AARCH64_DTPREL_G1_NC, VK_AARCH64_DTPREL_G0, VK_AARCH64_DTPREL_G0_NC, VK_AARCH64_DTPREL_HI12, VK_AARCH64_DTPREL_LO12, VK_AARCH64_DTPREL_LO12_NC, VK_AARCH64_GOTTPREL_G1, // :gottprel: VK_AARCH64_GOTTPREL_G0_NC, VK_AARCH64_GOTTPREL, VK_AARCH64_GOTTPREL_LO12, VK_AARCH64_TPREL_G2, // :tprel: VK_AARCH64_TPREL_G1, VK_AARCH64_TPREL_G1_NC, VK_AARCH64_TPREL_G0, VK_AARCH64_TPREL_G0_NC, VK_AARCH64_TPREL_HI12, VK_AARCH64_TPREL_LO12, VK_AARCH64_TPREL_LO12_NC, VK_AARCH64_TLSDESC, // :tlsdesc: VK_AARCH64_TLSDESC_LO12 }; private: const VariantKind Kind; const MCExpr *Expr; explicit AArch64MCExpr(VariantKind _Kind, const MCExpr *_Expr) : Kind(_Kind), Expr(_Expr) {} public: /// @name Construction /// @{ static const AArch64MCExpr *Create(VariantKind Kind, const MCExpr *Expr, MCContext &Ctx); static const AArch64MCExpr *CreateLo12(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_LO12, Expr, Ctx); } static const AArch64MCExpr *CreateGOT(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_GOT, Expr, Ctx); } static const AArch64MCExpr *CreateGOTLo12(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_GOT_LO12, Expr, Ctx); } static const AArch64MCExpr *CreateDTPREL_G1(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_DTPREL_G1, Expr, Ctx); } static const AArch64MCExpr *CreateDTPREL_G0_NC(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_DTPREL_G0_NC, Expr, Ctx); } static const AArch64MCExpr *CreateGOTTPREL(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_GOTTPREL, Expr, Ctx); } static const AArch64MCExpr *CreateGOTTPRELLo12(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_GOTTPREL_LO12, Expr, Ctx); } static const AArch64MCExpr *CreateTLSDesc(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_TLSDESC, Expr, Ctx); } static const AArch64MCExpr *CreateTLSDescLo12(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_TLSDESC_LO12, Expr, Ctx); } static const AArch64MCExpr *CreateTPREL_G1(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_TPREL_G1, Expr, Ctx); } static const AArch64MCExpr *CreateTPREL_G0_NC(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_TPREL_G0_NC, Expr, Ctx); } static const AArch64MCExpr *CreateABS_G3(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_ABS_G3, Expr, Ctx); } static const AArch64MCExpr *CreateABS_G2_NC(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_ABS_G2_NC, Expr, Ctx); } static const AArch64MCExpr *CreateABS_G1_NC(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_ABS_G1_NC, Expr, Ctx); } static const AArch64MCExpr *CreateABS_G0_NC(const MCExpr *Expr, MCContext &Ctx) { return Create(VK_AARCH64_ABS_G0_NC, Expr, Ctx); } /// @} /// @name Accessors /// @{ /// getOpcode - Get the kind of this expression. VariantKind getKind() const { return Kind; } /// getSubExpr - Get the child of this expression. const MCExpr *getSubExpr() const { return Expr; } /// @} void PrintImpl(raw_ostream &OS) const override; bool EvaluateAsRelocatableImpl(MCValue &Res, const MCAsmLayout *Layout) const override; void AddValueSymbols(MCAssembler *) const override; const MCSection *FindAssociatedSection() const override { return getSubExpr()->FindAssociatedSection(); } void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override; static bool classof(const MCExpr *E) { return E->getKind() == MCExpr::Target; } static bool classof(const AArch64MCExpr *) { return true; } }; } // end namespace llvm #endif