1 //===-- dfsan_allocator.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 // This file is a part of DataflowSanitizer. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef DFSAN_ALLOCATOR_H 14 #define DFSAN_ALLOCATOR_H 15 16 #include "sanitizer_common/sanitizer_common.h" 17 18 namespace __dfsan { 19 20 struct DFsanThreadLocalMallocStorage { 21 ALIGNED(8) uptr allocator_cache[96 * (512 * 8 + 16)]; // Opaque. 22 void CommitBack(); 23 24 private: 25 // These objects are allocated via mmap() and are zero-initialized. 26 DFsanThreadLocalMallocStorage() {} 27 }; 28 29 } // namespace __dfsan 30 #endif // DFSAN_ALLOCATOR_H 31