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