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