| 1 | //===- RelocVisitor.h - Visitor for object file relocations -----*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file provides a wrapper around all the different types of relocations |
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| 10 | // in different file formats, such that a client can handle them in a unified |
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| 11 | // manner by only implementing a minimal number of functions. |
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| 12 | // |
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| 13 | //===----------------------------------------------------------------------===// |
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| 14 | |
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| 15 | #ifndef LLVM_OBJECT_RELOCATIONRESOLVER_H |
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| 16 | #define LLVM_OBJECT_RELOCATIONRESOLVER_H |
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| 17 | |
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| 18 | #include <cstdint> |
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| 19 | #include <utility> |
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| 20 | |
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| 21 | namespace llvm { |
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| 22 | namespace object { |
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| 23 | |
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| 24 | class ObjectFile; |
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| 25 | class RelocationRef; |
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| 26 | |
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| 27 | using SupportsRelocation = bool (*)(uint64_t); |
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| 28 | using RelocationResolver = uint64_t (*)(uint64_t Type, uint64_t Offset, |
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| 29 | uint64_t S, uint64_t LocData, |
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| 30 | int64_t Addend); |
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| 31 | |
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| 32 | std::pair<SupportsRelocation, RelocationResolver> |
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| 33 | getRelocationResolver(const ObjectFile &Obj); |
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| 34 | |
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| 35 | uint64_t resolveRelocation(RelocationResolver Resolver, const RelocationRef &R, |
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| 36 | uint64_t S, uint64_t LocData); |
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| 37 | |
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| 38 | } // end namespace object |
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| 39 | } // end namespace llvm |
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| 40 | |
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| 41 | #endif // LLVM_OBJECT_RELOCATIONRESOLVER_H |
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| 42 | |
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