| 1 | //===- FuzzerExtFunctions.def - 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 | // This defines the external function pointers that |
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| 9 | // ``fuzzer::ExternalFunctions`` should contain and try to initialize. The |
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| 10 | // EXT_FUNC macro must be defined at the point of inclusion. The signature of |
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| 11 | // the macro is: |
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| 12 | // |
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| 13 | // EXT_FUNC(<name>, <return_type>, <function_signature>, <warn_if_missing>) |
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| 14 | //===----------------------------------------------------------------------===// |
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| 15 | |
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| 16 | // Optional user functions |
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| 17 | EXT_FUNC(LLVMFuzzerInitialize, int, (int *argc, char ***argv), false); |
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| 18 | EXT_FUNC(LLVMFuzzerCustomMutator, size_t, |
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| 19 | (uint8_t *Data, size_t Size, size_t MaxSize, unsigned int Seed), |
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| 20 | false); |
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| 21 | EXT_FUNC(LLVMFuzzerCustomCrossOver, size_t, |
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| 22 | (const uint8_t *Data1, size_t Size1, |
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| 23 | const uint8_t *Data2, size_t Size2, |
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| 24 | uint8_t *Out, size_t MaxOutSize, unsigned int Seed), |
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| 25 | false); |
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| 26 | |
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| 27 | // Sanitizer functions |
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| 28 | EXT_FUNC(__lsan_enable, void, (), false); |
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| 29 | EXT_FUNC(__lsan_disable, void, (), false); |
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| 30 | EXT_FUNC(__lsan_do_recoverable_leak_check, int, (), false); |
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| 31 | EXT_FUNC(__sanitizer_acquire_crash_state, int, (), true); |
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| 32 | EXT_FUNC(__sanitizer_install_malloc_and_free_hooks, int, |
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| 33 | (void (*malloc_hook)(const volatile void *, size_t), |
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| 34 | void (*free_hook)(const volatile void *)), |
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| 35 | false); |
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| 36 | EXT_FUNC(__sanitizer_log_write, void, (const char *buf, size_t len), false); |
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| 37 | EXT_FUNC(__sanitizer_purge_allocator, void, (), false); |
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| 38 | EXT_FUNC(__sanitizer_print_memory_profile, void, (size_t, size_t), false); |
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| 39 | EXT_FUNC(__sanitizer_print_stack_trace, void, (), true); |
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| 40 | EXT_FUNC(__sanitizer_symbolize_pc, void, |
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| 41 | (void *, const char *fmt, char *out_buf, size_t out_buf_size), false); |
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| 42 | EXT_FUNC(__sanitizer_get_module_and_offset_for_pc, int, |
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| 43 | (void *pc, char *module_path, |
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| 44 | size_t module_path_len,void **pc_offset), false); |
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| 45 | EXT_FUNC(__sanitizer_set_death_callback, void, (void (*)(void)), true); |
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| 46 | EXT_FUNC(__sanitizer_set_report_fd, void, (void*), false); |
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| 47 | EXT_FUNC(__msan_scoped_disable_interceptor_checks, void, (), false); |
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| 48 | EXT_FUNC(__msan_scoped_enable_interceptor_checks, void, (), false); |
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| 49 | EXT_FUNC(__msan_unpoison, void, (const volatile void *, size_t size), false); |
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| 50 | EXT_FUNC(__msan_unpoison_param, void, (size_t n), false); |
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| 51 | |
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