| Avi Drissman | dfd88085 | 2022-09-15 20:11:09 | [diff] [blame] | 1 | // Copyright 2017 The Chromium Authors |
| Robert Sesek | d88ebf8 | 2017-10-17 21:54:41 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef TESTING_LIBFUZZER_LIBFUZZER_EXPORTS_H_ |
| 6 | #define TESTING_LIBFUZZER_LIBFUZZER_EXPORTS_H_ |
| 7 | |
| 8 | #include "build/build_config.h" |
| 9 | |
| 10 | // On macOS, the linker may strip symbols for functions that are not reachable |
| 11 | // by the program entrypoint. Several libFuzzer functions are resolved via |
| 12 | // dlsym at runtime and therefore may be dead-stripped as a result. Including |
| 13 | // this header in the fuzzer's implementation file will ensure that all the |
| 14 | // symbols are kept and exported. |
| 15 | |
| Xiaohan Wang | 83bdf14 | 2022-01-21 19:23:11 | [diff] [blame] | 16 | #if BUILDFLAG(IS_MAC) |
| Robert Sesek | d88ebf8 | 2017-10-17 21:54:41 | [diff] [blame] | 17 | #define EXPORT_FUZZER_FUNCTION \ |
| 18 | __attribute__((used)) __attribute__((visibility("default"))) |
| 19 | #else |
| 20 | #define EXPORT_FUZZER_FUNCTION |
| 21 | #endif |
| 22 | |
| 23 | extern "C" { |
| 24 | |
| 25 | EXPORT_FUZZER_FUNCTION int LLVMFuzzerInitialize(int* argc, char*** argv); |
| 26 | EXPORT_FUZZER_FUNCTION int LLVMFuzzerTestOneInput(const uint8_t* data, |
| 27 | size_t size); |
| 28 | EXPORT_FUZZER_FUNCTION size_t LLVMFuzzerCustomMutator(uint8_t* data, |
| 29 | size_t size, |
| 30 | size_t max_size, |
| 31 | unsigned int seed); |
| 32 | EXPORT_FUZZER_FUNCTION size_t LLVMFuzzerCustomCrossOver(const uint8_t* data1, |
| 33 | size_t size1, |
| 34 | const uint8_t* data2, |
| 35 | size_t size2, |
| 36 | uint8_t* out, |
| 37 | size_t max_out_size, |
| 38 | unsigned int seed); |
| 39 | EXPORT_FUZZER_FUNCTION size_t LLVMFuzzerMutate(uint8_t* data, |
| 40 | size_t size, |
| 41 | size_t max_size); |
| 42 | |
| 43 | } // extern "C" |
| 44 | |
| 45 | #undef EXPORT_FUZZER_FUNCTION |
| 46 | |
| 47 | #endif // TESTING_LIBFUZZER_LIBFUZZER_EXPORTS_H_ |
