| 1 | //===- FuzzerExtFunctions.h - Interface to external functions ---*- 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 | // Defines an interface to (possibly optional) functions. |
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| 9 | //===----------------------------------------------------------------------===// |
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| 10 | |
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| 11 | #ifndef LLVM_FUZZER_EXT_FUNCTIONS_H |
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| 12 | #define LLVM_FUZZER_EXT_FUNCTIONS_H |
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| 13 | |
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| 14 | #include <stddef.h> |
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| 15 | #include <stdint.h> |
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| 16 | |
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| 17 | namespace fuzzer { |
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| 18 | |
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| 19 | struct ExternalFunctions { |
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| 20 | // Initialize function pointers. Functions that are not available will be set |
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| 21 | // to nullptr. Do not call this constructor before ``main()`` has been |
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| 22 | // entered. |
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| 23 | ExternalFunctions(); |
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| 24 | |
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| 25 | #define EXT_FUNC(NAME, RETURN_TYPE, FUNC_SIG, WARN) \ |
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| 26 | RETURN_TYPE(*NAME) FUNC_SIG = nullptr |
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| 27 | |
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| 28 | #include "FuzzerExtFunctions.def" |
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| 29 | |
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| 30 | #undef EXT_FUNC |
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| 31 | }; |
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| 32 | } // namespace fuzzer |
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| 33 | |
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| 34 | #endif |
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| 35 | |
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