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1 //===-- ubsan_handlers_cxx.h ------------------------------------*- C++ -*-===//
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2 //
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3 // This file is distributed under the University of Illinois Open Source
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4 // License. See LICENSE.TXT for details.
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5 //
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6 //===----------------------------------------------------------------------===//
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7 //
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8 // Entry points to the runtime library for Clang's undefined behavior sanitizer,
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9 // for C++-specific checks. This code is not linked into C binaries.
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10 //
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11 //===----------------------------------------------------------------------===//
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12 #ifndef UBSAN_HANDLERS_CXX_H
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13 #define UBSAN_HANDLERS_CXX_H
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14
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15 #include "ubsan_value.h"
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16
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17 namespace __ubsan {
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18
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19 struct DynamicTypeCacheMissData {
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20 SourceLocation Loc;
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21 const TypeDescriptor &Type;
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22 void *TypeInfo;
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23 unsigned char TypeCheckKind;
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24 };
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25
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26 /// \brief Handle a runtime type check failure, caused by an incorrect vptr.
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27 /// When this handler is called, all we know is that the type was not in the
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28 /// cache; this does not necessarily imply the existence of a bug.
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29 extern "C" SANITIZER_INTERFACE_ATTRIBUTE
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30 void __ubsan_handle_dynamic_type_cache_miss(
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31 DynamicTypeCacheMissData *Data, ValueHandle Pointer, ValueHandle Hash);
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32 extern "C" SANITIZER_INTERFACE_ATTRIBUTE
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33 void __ubsan_handle_dynamic_type_cache_miss_abort(
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34 DynamicTypeCacheMissData *Data, ValueHandle Pointer, ValueHandle Hash);
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35 }
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36
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37 #endif // UBSAN_HANDLERS_H
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