1//===- MipsMCExpr.h - Mips 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#ifndef LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSMCEXPR_H
10#define LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSMCEXPR_H
11
12#include "llvm/MC/MCAsmLayout.h"
13#include "llvm/MC/MCExpr.h"
14#include "llvm/MC/MCValue.h"
15
16namespace llvm {
17
18class MipsMCExpr : public MCTargetExpr {
19public:
20 enum MipsExprKind {
21 MEK_None,
22 MEK_CALL_HI16,
23 MEK_CALL_LO16,
24 MEK_DTPREL,
25 MEK_DTPREL_HI,
26 MEK_DTPREL_LO,
27 MEK_GOT,
28 MEK_GOTTPREL,
29 MEK_GOT_CALL,
30 MEK_GOT_DISP,
31 MEK_GOT_HI16,
32 MEK_GOT_LO16,
33 MEK_GOT_OFST,
34 MEK_GOT_PAGE,
35 MEK_GPREL,
36 MEK_HI,
37 MEK_HIGHER,
38 MEK_HIGHEST,
39 MEK_LO,
40 MEK_NEG,
41 MEK_PCREL_HI16,
42 MEK_PCREL_LO16,
43 MEK_TLSGD,
44 MEK_TLSLDM,
45 MEK_TPREL_HI,
46 MEK_TPREL_LO,
47 MEK_Special,
48 };
49
50private:
51 const MipsExprKind Kind;
52 const MCExpr *Expr;
53
54 explicit MipsMCExpr(MipsExprKind Kind, const MCExpr *Expr)
55 : Kind(Kind), Expr(Expr) {}
56
57public:
58 static const MipsMCExpr *create(MipsExprKind Kind, const MCExpr *Expr,
59 MCContext &Ctx);
60 static const MipsMCExpr *createGpOff(MipsExprKind Kind, const MCExpr *Expr,
61 MCContext &Ctx);
62
63 /// Get the kind of this expression.
64 MipsExprKind getKind() const { return Kind; }
65
66 /// Get the child of this expression.
67 const MCExpr *getSubExpr() const { return Expr; }
68
69 void printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const override;
70 bool evaluateAsRelocatableImpl(MCValue &Res, const MCAsmLayout *Layout,
71 const MCFixup *Fixup) const override;
72 void visitUsedExpr(MCStreamer &Streamer) const override;
73
74 MCFragment *findAssociatedFragment() const override {
75 return getSubExpr()->findAssociatedFragment();
76 }
77
78 void fixELFSymbolsInTLSFixups(MCAssembler &Asm) const override;
79
80 static bool classof(const MCExpr *E) {
81 return E->getKind() == MCExpr::Target;
82 }
83
84 bool isGpOff(MipsExprKind &Kind) const;
85 bool isGpOff() const {
86 MipsExprKind Kind;
87 return isGpOff(Kind);
88 }
89};
90
91} // end namespace llvm
92
93#endif // LLVM_LIB_TARGET_MIPS_MCTARGETDESC_MIPSMCEXPR_H
94

source code of llvm/lib/Target/Mips/MCTargetDesc/MipsMCExpr.h