104 lines
3.2 KiB
C++
104 lines
3.2 KiB
C++
//= LoongArchMCExpr.h - LoongArch specific MC expression classes -*- C++ -*-==//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file describes LoongArch-specific MCExprs, used for modifiers like
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// "%pc_hi20" or "%pc_lo12" etc.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIB_TARGET_LOONGARCH_MCTARGETDESC_LOONGARCHMCEXPR_H
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#define LLVM_LIB_TARGET_LOONGARCH_MCTARGETDESC_LOONGARCHMCEXPR_H
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#include "llvm/MC/MCExpr.h"
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namespace llvm {
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class StringRef;
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class LoongArchMCExpr : public MCTargetExpr {
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public:
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enum VariantKind {
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VK_LoongArch_None,
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VK_LoongArch_CALL,
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VK_LoongArch_CALL_PLT,
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VK_LoongArch_B16,
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VK_LoongArch_B21,
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VK_LoongArch_B26,
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VK_LoongArch_ABS_HI20,
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VK_LoongArch_ABS_LO12,
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VK_LoongArch_ABS64_LO20,
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VK_LoongArch_ABS64_HI12,
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VK_LoongArch_PCALA_HI20,
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VK_LoongArch_PCALA_LO12,
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VK_LoongArch_PCALA64_LO20,
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VK_LoongArch_PCALA64_HI12,
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VK_LoongArch_GOT_PC_HI20,
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VK_LoongArch_GOT_PC_LO12,
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VK_LoongArch_GOT64_PC_LO20,
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VK_LoongArch_GOT64_PC_HI12,
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VK_LoongArch_GOT_HI20,
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VK_LoongArch_GOT_LO12,
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VK_LoongArch_GOT64_LO20,
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VK_LoongArch_GOT64_HI12,
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VK_LoongArch_TLS_LE_HI20,
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VK_LoongArch_TLS_LE_LO12,
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VK_LoongArch_TLS_LE64_LO20,
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VK_LoongArch_TLS_LE64_HI12,
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VK_LoongArch_TLS_IE_PC_HI20,
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VK_LoongArch_TLS_IE_PC_LO12,
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VK_LoongArch_TLS_IE64_PC_LO20,
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VK_LoongArch_TLS_IE64_PC_HI12,
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VK_LoongArch_TLS_IE_HI20,
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VK_LoongArch_TLS_IE_LO12,
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VK_LoongArch_TLS_IE64_LO20,
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VK_LoongArch_TLS_IE64_HI12,
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VK_LoongArch_TLS_LD_PC_HI20,
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VK_LoongArch_TLS_LD_HI20,
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VK_LoongArch_TLS_GD_PC_HI20,
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VK_LoongArch_TLS_GD_HI20,
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VK_LoongArch_CALL36,
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VK_LoongArch_Invalid // Must be the last item.
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};
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private:
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const MCExpr *Expr;
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const VariantKind Kind;
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const bool RelaxHint;
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explicit LoongArchMCExpr(const MCExpr *Expr, VariantKind Kind, bool Hint)
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: Expr(Expr), Kind(Kind), RelaxHint(Hint) {}
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public:
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static const LoongArchMCExpr *create(const MCExpr *Expr, VariantKind Kind,
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MCContext &Ctx, bool Hint = false);
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VariantKind getKind() const { return Kind; }
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const MCExpr *getSubExpr() const { return Expr; }
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bool getRelaxHint() const { return RelaxHint; }
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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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static StringRef getVariantKindName(VariantKind Kind);
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static VariantKind getVariantKindForName(StringRef name);
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};
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} // end namespace llvm
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#endif
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