1 /*===- DataFlow.h - a standalone DataFlow trace -------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // Internal header file to connect DataFlow.cpp and DataFlowCallbacks.cpp. 9 //===----------------------------------------------------------------------===*/ 10 11 #ifndef __LIBFUZZER_DATAFLOW_H 12 #define __LIBFUZZER_DATAFLOW_H 13 14 #include <cstddef> 15 #include <cstdint> 16 #include <sanitizer/dfsan_interface.h> 17 18 // This data is shared between DataFlowCallbacks.cpp and DataFlow.cpp. 19 struct CallbackData { 20 size_t NumFuncs, NumGuards; 21 const uintptr_t *PCsBeg, *PCsEnd; 22 dfsan_label *FuncLabels; // Array of NumFuncs elements. 23 bool *BBExecuted; // Array of NumGuards elements. 24 }; 25 26 extern CallbackData __dft; 27 28 enum { 29 PCFLAG_FUNC_ENTRY = 1, 30 }; 31 32 #endif // __LIBFUZZER_DATAFLOW_H 33