1 //===- FuzzerExtFunctions.def - External functions --------------*- C++ -* ===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // This defines the external function pointers that 10 // ``fuzzer::ExternalFunctions`` should contain and try to initialize. The 11 // EXT_FUNC macro must be defined at the point of inclusion. The signature of 12 // the macro is: 13 // 14 // EXT_FUNC(<name>, <return_type>, <function_signature>, <warn_if_missing>) 15 //===----------------------------------------------------------------------===// 16 17 // Optional user functions 18 EXT_FUNC(LLVMFuzzerInitialize, int, (int *argc, char ***argv), false); 19 EXT_FUNC(LLVMFuzzerCustomMutator, size_t, 20 (uint8_t * Data, size_t Size, size_t MaxSize, unsigned int Seed), 21 false); 22 EXT_FUNC(LLVMFuzzerCustomCrossOver, size_t, 23 (const uint8_t * Data1, size_t Size1, 24 const uint8_t * Data2, size_t Size2, 25 uint8_t * Out, size_t MaxOutSize, unsigned int Seed), 26 false); 27 28 // Sanitizer functions 29 EXT_FUNC(__lsan_enable, void, (), false); 30 EXT_FUNC(__lsan_disable, void, (), false); 31 EXT_FUNC(__lsan_do_recoverable_leak_check, int, (), false); 32 EXT_FUNC(__sanitizer_get_coverage_pc_buffer, uintptr_t, (uintptr_t**), true); 33 EXT_FUNC(__sanitizer_get_number_of_counters, size_t, (), false); 34 EXT_FUNC(__sanitizer_install_malloc_and_free_hooks, int, 35 (void (*malloc_hook)(const volatile void *, size_t), 36 void (*free_hook)(const volatile void *)), 37 false); 38 EXT_FUNC(__sanitizer_get_total_unique_caller_callee_pairs, size_t, (), false); 39 EXT_FUNC(__sanitizer_get_total_unique_coverage, size_t, (), true); 40 EXT_FUNC(__sanitizer_print_memory_profile, int, (size_t), false); 41 EXT_FUNC(__sanitizer_print_stack_trace, void, (), true); 42 EXT_FUNC(__sanitizer_reset_coverage, void, (), true); 43 EXT_FUNC(__sanitizer_set_death_callback, void, (void (*)(void)), true); 44 EXT_FUNC(__sanitizer_set_report_fd, void, (void*), false); 45 EXT_FUNC(__sanitizer_update_counter_bitset_and_clear_counters, uintptr_t, 46 (uint8_t*), false); 47
