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Merge clang 7.0.1 and several follow-up changes
[FreeBSD/FreeBSD.git] / contrib / compiler-rt / lib / fuzzer / FuzzerExtFunctions.h
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