//====- SparcMCExpr.h - Sparc 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 Sparc-specific MCExprs, used for modifiers like

// "%hi" or "%lo" etc.,

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_SPARC_MCTARGETDESC_SPARCMCEXPR_H

#define LLVM_LIB_TARGET_SPARC_MCTARGETDESC_SPARCMCEXPR_H

#include "SparcFixupKinds.h"

#include "llvm/MC/MCExpr.h"

namespace llvm_ks {

class StringRef;

class SparcMCExpr : public MCTargetExpr {

public:

  enum VariantKind {

    VK_Sparc_None,

    VK_Sparc_LO,

    VK_Sparc_HI,

    VK_Sparc_H44,

    VK_Sparc_M44,

    VK_Sparc_L44,

    VK_Sparc_HH,

    VK_Sparc_HM,

    VK_Sparc_PC22,

    VK_Sparc_PC10,

    VK_Sparc_GOT22,

    VK_Sparc_GOT10,

    VK_Sparc_WPLT30,

    VK_Sparc_R_DISP32,

    VK_Sparc_TLS_GD_HI22,

    VK_Sparc_TLS_GD_LO10,

    VK_Sparc_TLS_GD_ADD,

    VK_Sparc_TLS_GD_CALL,

    VK_Sparc_TLS_LDM_HI22,

    VK_Sparc_TLS_LDM_LO10,

    VK_Sparc_TLS_LDM_ADD,

    VK_Sparc_TLS_LDM_CALL,

    VK_Sparc_TLS_LDO_HIX22,

    VK_Sparc_TLS_LDO_LOX10,

    VK_Sparc_TLS_LDO_ADD,

    VK_Sparc_TLS_IE_HI22,

    VK_Sparc_TLS_IE_LO10,

    VK_Sparc_TLS_IE_LD,

    VK_Sparc_TLS_IE_LDX,

    VK_Sparc_TLS_IE_ADD,

    VK_Sparc_TLS_LE_HIX22,

    VK_Sparc_TLS_LE_LOX10

  };

private:

  const VariantKind Kind;

  const MCExpr *Expr;

  explicit SparcMCExpr(VariantKind Kind, const MCExpr *Expr)

      : Kind(Kind), Expr(Expr) {}

public:

  /// @name Construction

  /// @{

  static const SparcMCExpr *create(VariantKind Kind, const MCExpr *Expr,

                                 MCContext &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; }

  /// getFixupKind - Get the fixup kind of this expression.

  Sparc::Fixups getFixupKind() const { return getFixupKind(Kind); }

  /// @}

  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 bool classof(const SparcMCExpr *) { return true; }

  static VariantKind parseVariantKind(StringRef name);

  static bool printVariantKind(raw_ostream &OS, VariantKind Kind);

  static Sparc::Fixups getFixupKind(VariantKind Kind);

};

} // end namespace llvm_ks.

#endif