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author | nkozlovskiy <nmk@ydb.tech> | 2023-10-11 19:11:46 +0300 |
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committer | nkozlovskiy <nmk@ydb.tech> | 2023-10-11 19:33:28 +0300 |
commit | 61b3971447e473726d6cdb23fc298e457b4d973c (patch) | |
tree | e2a2a864bb7717f7ae6138f6a3194a254dd2c7bb /contrib/libs/clang14-rt/lib/dfsan/dfsan_new_delete.cpp | |
parent | a674dc57d88d43c2e8e90a6084d5d2c988e0402c (diff) | |
download | ydb-61b3971447e473726d6cdb23fc298e457b4d973c.tar.gz |
add sanitizers dependencies
Diffstat (limited to 'contrib/libs/clang14-rt/lib/dfsan/dfsan_new_delete.cpp')
-rw-r--r-- | contrib/libs/clang14-rt/lib/dfsan/dfsan_new_delete.cpp | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/contrib/libs/clang14-rt/lib/dfsan/dfsan_new_delete.cpp b/contrib/libs/clang14-rt/lib/dfsan/dfsan_new_delete.cpp new file mode 100644 index 0000000000..7ac906e810 --- /dev/null +++ b/contrib/libs/clang14-rt/lib/dfsan/dfsan_new_delete.cpp @@ -0,0 +1,124 @@ +//===-- dfsan_new_delete.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 +// +//===----------------------------------------------------------------------===// +// +// This file is a part of DataflowSanitizer. +// +// Interceptors for operators new and delete. +//===----------------------------------------------------------------------===// + +#include <stddef.h> + +#include "dfsan.h" +#include "interception/interception.h" +#include "sanitizer_common/sanitizer_allocator.h" +#include "sanitizer_common/sanitizer_allocator_report.h" + +using namespace __dfsan; + +// Fake std::nothrow_t and std::align_val_t to avoid including <new>. +namespace std { +struct nothrow_t {}; +enum class align_val_t : size_t {}; +} // namespace std + +// TODO(alekseys): throw std::bad_alloc instead of dying on OOM. +#define OPERATOR_NEW_BODY(nothrow) \ + void *res = dfsan_malloc(size); \ + if (!nothrow && UNLIKELY(!res)) { \ + BufferedStackTrace stack; \ + ReportOutOfMemory(size, &stack); \ + } \ + return res +#define OPERATOR_NEW_BODY_ALIGN(nothrow) \ + void *res = dfsan_memalign((uptr)align, size); \ + if (!nothrow && UNLIKELY(!res)) { \ + BufferedStackTrace stack; \ + ReportOutOfMemory(size, &stack); \ + } \ + return res; + +INTERCEPTOR_ATTRIBUTE +void *operator new(size_t size) { OPERATOR_NEW_BODY(false /*nothrow*/); } +INTERCEPTOR_ATTRIBUTE +void *operator new[](size_t size) { OPERATOR_NEW_BODY(false /*nothrow*/); } +INTERCEPTOR_ATTRIBUTE +void *operator new(size_t size, std::nothrow_t const &) { + OPERATOR_NEW_BODY(true /*nothrow*/); +} +INTERCEPTOR_ATTRIBUTE +void *operator new[](size_t size, std::nothrow_t const &) { + OPERATOR_NEW_BODY(true /*nothrow*/); +} +INTERCEPTOR_ATTRIBUTE +void *operator new(size_t size, std::align_val_t align) { + OPERATOR_NEW_BODY_ALIGN(false /*nothrow*/); +} +INTERCEPTOR_ATTRIBUTE +void *operator new[](size_t size, std::align_val_t align) { + OPERATOR_NEW_BODY_ALIGN(false /*nothrow*/); +} +INTERCEPTOR_ATTRIBUTE +void *operator new(size_t size, std::align_val_t align, + std::nothrow_t const &) { + OPERATOR_NEW_BODY_ALIGN(true /*nothrow*/); +} +INTERCEPTOR_ATTRIBUTE +void *operator new[](size_t size, std::align_val_t align, + std::nothrow_t const &) { + OPERATOR_NEW_BODY_ALIGN(true /*nothrow*/); +} + +#define OPERATOR_DELETE_BODY \ + if (ptr) \ + dfsan_deallocate(ptr) + +INTERCEPTOR_ATTRIBUTE +void operator delete(void *ptr)NOEXCEPT { OPERATOR_DELETE_BODY; } +INTERCEPTOR_ATTRIBUTE +void operator delete[](void *ptr) NOEXCEPT { OPERATOR_DELETE_BODY; } +INTERCEPTOR_ATTRIBUTE +void operator delete(void *ptr, std::nothrow_t const &) { + OPERATOR_DELETE_BODY; +} +INTERCEPTOR_ATTRIBUTE +void operator delete[](void *ptr, std::nothrow_t const &) { + OPERATOR_DELETE_BODY; +} +INTERCEPTOR_ATTRIBUTE +void operator delete(void *ptr, size_t size)NOEXCEPT { OPERATOR_DELETE_BODY; } +INTERCEPTOR_ATTRIBUTE +void operator delete[](void *ptr, size_t size) NOEXCEPT { + OPERATOR_DELETE_BODY; +} +INTERCEPTOR_ATTRIBUTE +void operator delete(void *ptr, std::align_val_t align)NOEXCEPT { + OPERATOR_DELETE_BODY; +} +INTERCEPTOR_ATTRIBUTE +void operator delete[](void *ptr, std::align_val_t align) NOEXCEPT { + OPERATOR_DELETE_BODY; +} +INTERCEPTOR_ATTRIBUTE +void operator delete(void *ptr, std::align_val_t align, + std::nothrow_t const &) { + OPERATOR_DELETE_BODY; +} +INTERCEPTOR_ATTRIBUTE +void operator delete[](void *ptr, std::align_val_t align, + std::nothrow_t const &) { + OPERATOR_DELETE_BODY; +} +INTERCEPTOR_ATTRIBUTE +void operator delete(void *ptr, size_t size, std::align_val_t align)NOEXCEPT { + OPERATOR_DELETE_BODY; +} +INTERCEPTOR_ATTRIBUTE +void operator delete[](void *ptr, size_t size, + std::align_val_t align) NOEXCEPT { + OPERATOR_DELETE_BODY; +} |