1//====- VEMCExpr.h - VE specific MC expression classes --------*- C++ -*-=====//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file describes VE-specific MCExprs, used for modifiers like
10// "%hi" or "%lo" etc.,
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_VE_MCTARGETDESC_VEMCEXPR_H
15#define LLVM_LIB_TARGET_VE_MCTARGETDESC_VEMCEXPR_H
16
17#include "VEFixupKinds.h"
18#include "llvm/MC/MCExpr.h"
19
20namespace llvm {
21
22class StringRef;
23class VEMCExpr : public MCTargetExpr {
24public:
25  enum VariantKind {
26    VK_VE_None,
27    VK_VE_REFLONG,
28    VK_VE_HI32,
29    VK_VE_LO32,
30    VK_VE_PC_HI32,
31    VK_VE_PC_LO32,
32    VK_VE_GOT_HI32,
33    VK_VE_GOT_LO32,
34    VK_VE_GOTOFF_HI32,
35    VK_VE_GOTOFF_LO32,
36    VK_VE_PLT_HI32,
37    VK_VE_PLT_LO32,
38    VK_VE_TLS_GD_HI32,
39    VK_VE_TLS_GD_LO32,
40    VK_VE_TPOFF_HI32,
41    VK_VE_TPOFF_LO32,
42  };
43
44private:
45  const VariantKind Kind;
46  const MCExpr *Expr;
47
48  explicit VEMCExpr(VariantKind Kind, const MCExpr *Expr)
49      : Kind(Kind), Expr(Expr) {}
50
51public:
52  /// @name Construction
53  /// @{
54
55  static const VEMCExpr *create(VariantKind Kind, const MCExpr *Expr,
56                                MCContext &Ctx);
57  /// @}
58  /// @name Accessors
59  /// @{
60
61  /// getOpcode - Get the kind of this expression.
62  VariantKind getKind() const { return Kind; }
63
64  /// getSubExpr - Get the child of this expression.
65  const MCExpr *getSubExpr() const { return Expr; }
66
67  /// getFixupKind - Get the fixup kind of this expression.
68  VE::Fixups getFixupKind() const { return getFixupKind(Kind); }
69
70  /// @}
71  void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
72  bool evaluateAsRelocatableImpl(MCValue &Res, const MCAsmLayout *Layout,
73                                 const MCFixup *Fixup) const override;
74  void visitUsedExpr(MCStreamer &Streamer) const override;
75  MCFragment *findAssociatedFragment() const override {
76    return getSubExpr()->findAssociatedFragment();
77  }
78
79  void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override;
80
81  static bool classof(const MCExpr *E) {
82    return E->getKind() == MCExpr::Target;
83  }
84
85  static VariantKind parseVariantKind(StringRef name);
86  static bool printVariantKind(raw_ostream &OS, VariantKind Kind);
87  static void printVariantKindSuffix(raw_ostream &OS, VariantKind Kind);
88  static VE::Fixups getFixupKind(VariantKind Kind);
89};
90
91} // namespace llvm
92
93#endif
94