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Diffstat (limited to 'lib/fuzzer/FuzzerExtFunctions.h')
-rw-r--r-- | lib/fuzzer/FuzzerExtFunctions.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/fuzzer/FuzzerExtFunctions.h b/lib/fuzzer/FuzzerExtFunctions.h new file mode 100644 index 000000000000..2672a385478d --- /dev/null +++ b/lib/fuzzer/FuzzerExtFunctions.h @@ -0,0 +1,35 @@ +//===- FuzzerExtFunctions.h - Interface to external functions ---*- C++ -* ===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// Defines an interface to (possibly optional) functions. +//===----------------------------------------------------------------------===// + +#ifndef LLVM_FUZZER_EXT_FUNCTIONS_H +#define LLVM_FUZZER_EXT_FUNCTIONS_H + +#include <stddef.h> +#include <stdint.h> + +namespace fuzzer { + +struct ExternalFunctions { + // Initialize function pointers. Functions that are not available will be set + // to nullptr. Do not call this constructor before ``main()`` has been + // entered. + ExternalFunctions(); + +#define EXT_FUNC(NAME, RETURN_TYPE, FUNC_SIG, WARN) \ + RETURN_TYPE(*NAME) FUNC_SIG = nullptr + +#include "FuzzerExtFunctions.def" + +#undef EXT_FUNC +}; +} // namespace fuzzer + +#endif |