10b57cec5SDimitry Andric //===-- ubsan_handlers_cxx.h ------------------------------------*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric // 90b57cec5SDimitry Andric // Entry points to the runtime library for Clang's undefined behavior sanitizer, 100b57cec5SDimitry Andric // for C++-specific checks. This code is not linked into C binaries. 110b57cec5SDimitry Andric // 120b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 130b57cec5SDimitry Andric #ifndef UBSAN_HANDLERS_CXX_H 140b57cec5SDimitry Andric #define UBSAN_HANDLERS_CXX_H 150b57cec5SDimitry Andric 160b57cec5SDimitry Andric #include "ubsan_value.h" 170b57cec5SDimitry Andric 180b57cec5SDimitry Andric namespace __ubsan { 190b57cec5SDimitry Andric 200b57cec5SDimitry Andric struct DynamicTypeCacheMissData { 210b57cec5SDimitry Andric SourceLocation Loc; 220b57cec5SDimitry Andric const TypeDescriptor &Type; 230b57cec5SDimitry Andric void *TypeInfo; 240b57cec5SDimitry Andric unsigned char TypeCheckKind; 250b57cec5SDimitry Andric }; 260b57cec5SDimitry Andric 270b57cec5SDimitry Andric /// \brief Handle a runtime type check failure, caused by an incorrect vptr. 280b57cec5SDimitry Andric /// When this handler is called, all we know is that the type was not in the 290b57cec5SDimitry Andric /// cache; this does not necessarily imply the existence of a bug. 300b57cec5SDimitry Andric extern "C" SANITIZER_INTERFACE_ATTRIBUTE 310b57cec5SDimitry Andric void __ubsan_handle_dynamic_type_cache_miss( 320b57cec5SDimitry Andric DynamicTypeCacheMissData *Data, ValueHandle Pointer, ValueHandle Hash); 330b57cec5SDimitry Andric extern "C" SANITIZER_INTERFACE_ATTRIBUTE 340b57cec5SDimitry Andric void __ubsan_handle_dynamic_type_cache_miss_abort( 350b57cec5SDimitry Andric DynamicTypeCacheMissData *Data, ValueHandle Pointer, ValueHandle Hash); 360b57cec5SDimitry Andric } 370b57cec5SDimitry Andric 38*04eeddc0SDimitry Andric #endif // UBSAN_HANDLERS_CXX_H 39