1//====- SparcMCExpr.h - Sparc 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 Sparc-specific MCExprs, used for modifiers like
10// "%hi" or "%lo" etc.,
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_SPARC_MCTARGETDESC_SPARCMCEXPR_H
15#define LLVM_LIB_TARGET_SPARC_MCTARGETDESC_SPARCMCEXPR_H
16
17#include "SparcFixupKinds.h"
18#include "llvm/MC/MCExpr.h"
19
20namespace llvm {
21
22class StringRef;
23class SparcMCExpr : public MCTargetExpr {
24public:
25 enum VariantKind {
26 VK_Sparc_None,
27 VK_Sparc_LO,
28 VK_Sparc_HI,
29 VK_Sparc_H44,
30 VK_Sparc_M44,
31 VK_Sparc_L44,
32 VK_Sparc_HH,
33 VK_Sparc_HM,
34 VK_Sparc_LM,
35 VK_Sparc_PC22,
36 VK_Sparc_PC10,
37 VK_Sparc_GOT22,
38 VK_Sparc_GOT10,
39 VK_Sparc_GOT13,
40 VK_Sparc_13,
41 VK_Sparc_WPLT30,
42 VK_Sparc_WDISP30,
43 VK_Sparc_R_DISP32,
44 VK_Sparc_TLS_GD_HI22,
45 VK_Sparc_TLS_GD_LO10,
46 VK_Sparc_TLS_GD_ADD,
47 VK_Sparc_TLS_GD_CALL,
48 VK_Sparc_TLS_LDM_HI22,
49 VK_Sparc_TLS_LDM_LO10,
50 VK_Sparc_TLS_LDM_ADD,
51 VK_Sparc_TLS_LDM_CALL,
52 VK_Sparc_TLS_LDO_HIX22,
53 VK_Sparc_TLS_LDO_LOX10,
54 VK_Sparc_TLS_LDO_ADD,
55 VK_Sparc_TLS_IE_HI22,
56 VK_Sparc_TLS_IE_LO10,
57 VK_Sparc_TLS_IE_LD,
58 VK_Sparc_TLS_IE_LDX,
59 VK_Sparc_TLS_IE_ADD,
60 VK_Sparc_TLS_LE_HIX22,
61 VK_Sparc_TLS_LE_LOX10,
62 VK_Sparc_HIX22,
63 VK_Sparc_LOX10,
64 VK_Sparc_GOTDATA_HIX22,
65 VK_Sparc_GOTDATA_LOX10,
66 VK_Sparc_GOTDATA_OP,
67 };
68
69private:
70 const VariantKind Kind;
71 const MCExpr *Expr;
72
73 explicit SparcMCExpr(VariantKind Kind, const MCExpr *Expr)
74 : Kind(Kind), Expr(Expr) {}
75
76public:
77 /// @name Construction
78 /// @{
79
80 static const SparcMCExpr *create(VariantKind Kind, const MCExpr *Expr,
81 MCContext &Ctx);
82 /// @}
83 /// @name Accessors
84 /// @{
85
86 /// getOpcode - Get the kind of this expression.
87 VariantKind getKind() const { return Kind; }
88
89 /// getSubExpr - Get the child of this expression.
90 const MCExpr *getSubExpr() const { return Expr; }
91
92 /// getFixupKind - Get the fixup kind of this expression.
93 Sparc::Fixups getFixupKind() const { return getFixupKind(Kind); }
94
95 /// @}
96 void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
97 bool evaluateAsRelocatableImpl(MCValue &Res, const MCAssembler *Asm,
98 const MCFixup *Fixup) const override;
99 void visitUsedExpr(MCStreamer &Streamer) const override;
100 MCFragment *findAssociatedFragment() const override {
101 return getSubExpr()->findAssociatedFragment();
102 }
103
104 void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override;
105
106 static bool classof(const MCExpr *E) {
107 return E->getKind() == MCExpr::Target;
108 }
109
110 static VariantKind parseVariantKind(StringRef name);
111 static bool printVariantKind(raw_ostream &OS, VariantKind Kind);
112 static Sparc::Fixups getFixupKind(VariantKind Kind);
113};
114
115} // end namespace llvm.
116
117#endif
118