1 | //===- llvm/MC/MCRelocationInfo.h -------------------------------*- 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 declares the MCRelocationInfo class, which provides methods to |
10 | // create MCExprs from relocations, either found in an object::ObjectFile |
11 | // (object::RelocationRef), or provided through the C API. |
12 | // |
13 | //===----------------------------------------------------------------------===// |
14 | |
15 | #ifndef LLVM_MC_MCDISASSEMBLER_MCRELOCATIONINFO_H |
16 | #define LLVM_MC_MCDISASSEMBLER_MCRELOCATIONINFO_H |
17 | |
18 | namespace llvm { |
19 | |
20 | class MCContext; |
21 | class MCExpr; |
22 | |
23 | /// Create MCExprs from relocations found in an object file. |
24 | class MCRelocationInfo { |
25 | protected: |
26 | MCContext &Ctx; |
27 | |
28 | public: |
29 | MCRelocationInfo(MCContext &Ctx); |
30 | MCRelocationInfo(const MCRelocationInfo &) = delete; |
31 | MCRelocationInfo &operator=(const MCRelocationInfo &) = delete; |
32 | virtual ~MCRelocationInfo(); |
33 | |
34 | /// Create an MCExpr for the target-specific \p VariantKind. |
35 | /// The VariantKinds are defined in llvm-c/Disassembler.h. |
36 | /// Used by MCExternalSymbolizer. |
37 | /// \returns If possible, an MCExpr corresponding to VariantKind, else 0. |
38 | virtual const MCExpr *createExprForCAPIVariantKind(const MCExpr *SubExpr, |
39 | unsigned VariantKind); |
40 | }; |
41 | |
42 | } // end namespace llvm |
43 | |
44 | #endif // LLVM_MC_MCDISASSEMBLER_MCRELOCATIONINFO_H |
45 | |