| //= LoongArchMCExpr.h - LoongArch 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file describes LoongArch-specific MCExprs, used for modifiers like |
| // "%pc_hi20" or "%pc_lo12" etc. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_LOONGARCH_MCTARGETDESC_LOONGARCHMCEXPR_H |
| #define LLVM_LIB_TARGET_LOONGARCH_MCTARGETDESC_LOONGARCHMCEXPR_H |
| |
| #include "llvm/MC/MCExpr.h" |
| |
| namespace llvm { |
| |
| class StringRef; |
| |
| class LoongArchMCExpr : public MCTargetExpr { |
| public: |
| enum VariantKind { |
| VK_LoongArch_None, |
| VK_LoongArch_CALL, |
| VK_LoongArch_CALL_PLT, |
| VK_LoongArch_B16, |
| VK_LoongArch_B21, |
| VK_LoongArch_B26, |
| VK_LoongArch_ABS_HI20, |
| VK_LoongArch_ABS_LO12, |
| VK_LoongArch_ABS64_LO20, |
| VK_LoongArch_ABS64_HI12, |
| VK_LoongArch_PCALA_HI20, |
| VK_LoongArch_PCALA_LO12, |
| VK_LoongArch_PCALA64_LO20, |
| VK_LoongArch_PCALA64_HI12, |
| VK_LoongArch_GOT_PC_HI20, |
| VK_LoongArch_GOT_PC_LO12, |
| VK_LoongArch_GOT64_PC_LO20, |
| VK_LoongArch_GOT64_PC_HI12, |
| VK_LoongArch_GOT_HI20, |
| VK_LoongArch_GOT_LO12, |
| VK_LoongArch_GOT64_LO20, |
| VK_LoongArch_GOT64_HI12, |
| VK_LoongArch_TLS_LE_HI20, |
| VK_LoongArch_TLS_LE_LO12, |
| VK_LoongArch_TLS_LE64_LO20, |
| VK_LoongArch_TLS_LE64_HI12, |
| VK_LoongArch_TLS_IE_PC_HI20, |
| VK_LoongArch_TLS_IE_PC_LO12, |
| VK_LoongArch_TLS_IE64_PC_LO20, |
| VK_LoongArch_TLS_IE64_PC_HI12, |
| VK_LoongArch_TLS_IE_HI20, |
| VK_LoongArch_TLS_IE_LO12, |
| VK_LoongArch_TLS_IE64_LO20, |
| VK_LoongArch_TLS_IE64_HI12, |
| VK_LoongArch_TLS_LD_PC_HI20, |
| VK_LoongArch_TLS_LD_HI20, |
| VK_LoongArch_TLS_GD_PC_HI20, |
| VK_LoongArch_TLS_GD_HI20, |
| VK_LoongArch_CALL36, |
| VK_LoongArch_Invalid // Must be the last item. |
| }; |
| |
| private: |
| const MCExpr *Expr; |
| const VariantKind Kind; |
| const bool RelaxHint; |
| |
| explicit LoongArchMCExpr(const MCExpr *Expr, VariantKind Kind, bool Hint) |
| : Expr(Expr), Kind(Kind), RelaxHint(Hint) {} |
| |
| public: |
| static const LoongArchMCExpr *create(const MCExpr *Expr, VariantKind Kind, |
| MCContext &Ctx, bool Hint = false); |
| |
| VariantKind getKind() const { return Kind; } |
| const MCExpr *getSubExpr() const { return Expr; } |
| bool getRelaxHint() const { return RelaxHint; } |
| |
| 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); |
| static VariantKind getVariantKindForName(StringRef name); |
| }; |
| |
| } // end namespace llvm |
| |
| #endif |