| kcc | f45db18 | 2019-06-21 01:39:35 +0000 | [diff] [blame^] | 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 |