1//===-- MipsMCSymbolRefExpr.h - Mips specific MCSymbolRefExpr class -------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef MIPSMCSYMBOLREFEXPR_H
11#define MIPSMCSYMBOLREFEXPR_H
12#include "llvm/MC/MCExpr.h"
13
14namespace llvm {
15
16class MipsMCSymbolRefExpr : public MCTargetExpr {
17public:
18  enum VariantKind {
19    VK_Mips_None,
20    VK_Mips_GPREL,
21    VK_Mips_GOT_CALL,
22    VK_Mips_GOT,
23    VK_Mips_ABS_HI,
24    VK_Mips_ABS_LO,
25    VK_Mips_TLSGD,
26    VK_Mips_GOTTPREL,
27    VK_Mips_TPREL_HI,
28    VK_Mips_TPREL_LO,
29    VK_Mips_GPOFF_HI,
30    VK_Mips_GPOFF_LO,
31    VK_Mips_GOT_DISP,
32    VK_Mips_GOT_PAGE,
33    VK_Mips_GOT_OFST
34  };
35
36private:
37  const VariantKind Kind;
38  const MCSymbol *Symbol;
39  int Offset;
40
41  explicit MipsMCSymbolRefExpr(VariantKind _Kind, const MCSymbol *_Symbol,
42                               int _Offset)
43    : Kind(_Kind), Symbol(_Symbol), Offset(_Offset) {}
44
45public:
46  static const MipsMCSymbolRefExpr *Create(VariantKind Kind,
47                                           const MCSymbol *Symbol, int Offset,
48                                           MCContext &Ctx);
49
50  void PrintImpl(raw_ostream &OS) const;
51  bool EvaluateAsRelocatableImpl(MCValue &Res,
52                                 const MCAsmLayout *Layout) const;
53  void AddValueSymbols(MCAssembler *) const;
54  const MCSection *FindAssociatedSection() const;
55
56  static bool classof(const MCExpr *E) {
57    return E->getKind() == MCExpr::Target;
58  }
59
60  static bool classof(const MipsMCSymbolRefExpr *) { return true; }
61
62  int getOffset() const { return Offset; }
63  void setOffset(int O) { Offset = O; }
64};
65} // end namespace llvm
66
67#endif
68