| 1 | //===-- ubsan_handlers_cxx.h ------------------------------------*- C++ -*-===// |
|---|---|
| 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 | // |
| 9 | // Entry points to the runtime library for Clang's undefined behavior sanitizer, |
| 10 | // for C++-specific checks. This code is not linked into C binaries. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | #ifndef UBSAN_HANDLERS_CXX_H |
| 14 | #define UBSAN_HANDLERS_CXX_H |
| 15 | |
| 16 | #include "ubsan_value.h" |
| 17 | |
| 18 | namespace __ubsan { |
| 19 | |
| 20 | struct DynamicTypeCacheMissData { |
| 21 | SourceLocation Loc; |
| 22 | const TypeDescriptor &Type; |
| 23 | void *TypeInfo; |
| 24 | unsigned char TypeCheckKind; |
| 25 | }; |
| 26 | |
| 27 | /// \brief Handle a runtime type check failure, caused by an incorrect vptr. |
| 28 | /// When this handler is called, all we know is that the type was not in the |
| 29 | /// cache; this does not necessarily imply the existence of a bug. |
| 30 | extern "C"SANITIZER_INTERFACE_ATTRIBUTE |
| 31 | void __ubsan_handle_dynamic_type_cache_miss( |
| 32 | DynamicTypeCacheMissData *Data, ValueHandle Pointer, ValueHandle Hash); |
| 33 | extern "C"SANITIZER_INTERFACE_ATTRIBUTE |
| 34 | void __ubsan_handle_dynamic_type_cache_miss_abort( |
| 35 | DynamicTypeCacheMissData *Data, ValueHandle Pointer, ValueHandle Hash); |
| 36 | } |
| 37 | |
| 38 | #endif // UBSAN_HANDLERS_CXX_H |
| 39 |