1 //===- FuzzerExtFunctions.h - Interface to 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 // Defines an interface to (possibly optional) functions. 10 //===----------------------------------------------------------------------===// 11 12 #ifndef LLVM_FUZZER_EXT_FUNCTIONS_H 13 #define LLVM_FUZZER_EXT_FUNCTIONS_H 14 15 #include <stddef.h> 16 #include <stdint.h> 17 18 namespace fuzzer { 19 20 struct ExternalFunctions { 21 // Initialize function pointers. Functions that are not available will be set 22 // to nullptr. Do not call this constructor before ``main()`` has been 23 // entered. 24 ExternalFunctions(); 25 26 #define EXT_FUNC(NAME, RETURN_TYPE, FUNC_SIG, WARN) \ 27 RETURN_TYPE(*NAME) FUNC_SIG = nullptr 28 29 #include "FuzzerExtFunctions.def" 30 31 #undef EXT_FUNC 32 }; 33 } // namespace fuzzer 34 35 #endif 36
