Mercurial > hg > CbC > CbC_gcc
view libsanitizer/ubsan/ubsan_type_hash.cpp @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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//===-- ubsan_type_hash.cpp -----------------------------------------------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // Implementation of a hash table for fast checking of inheritance // relationships. This file is only linked into C++ compilations, and is // permitted to use language features which require a C++ ABI library. // // Most of the implementation lives in an ABI-specific source file // (ubsan_type_hash_{itanium,win}.cpp). // //===----------------------------------------------------------------------===// #include "ubsan_platform.h" #if CAN_SANITIZE_UB #include "ubsan_type_hash.h" #include "sanitizer_common/sanitizer_common.h" /// A cache of recently-checked hashes. Mini hash table with "random" evictions. __ubsan::HashValue __ubsan::__ubsan_vptr_type_cache[__ubsan::VptrTypeCacheSize]; __ubsan::DynamicTypeInfo __ubsan::getDynamicTypeInfoFromObject(void *Object) { void *VtablePtr = *reinterpret_cast<void **>(Object); return getDynamicTypeInfoFromVtable(VtablePtr); } #endif // CAN_SANITIZE_UB