| //===-- msan_allocator.h ----------------------------------------*- C++ -*-===// |
| // |
| // 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 MemorySanitizer. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef MSAN_ALLOCATOR_H |
| #define MSAN_ALLOCATOR_H |
| |
| #include "sanitizer_common/sanitizer_common.h" |
| |
| namespace __msan { |
| |
| struct MsanThreadLocalMallocStorage { |
| uptr quarantine_cache[16]; |
| // Allocator cache contains atomic_uint64_t which must be 8-byte aligned. |
| ALIGNED(8) uptr allocator_cache[96 * (512 * 8 + 16)]; // Opaque. |
| void CommitBack(); |
| |
| private: |
| // These objects are allocated via mmap() and are zero-initialized. |
| MsanThreadLocalMallocStorage() {} |
| }; |
| |
| } // namespace __msan |
| #endif // MSAN_ALLOCATOR_H |
