1*7c3d14c8STreehugger Robot //===-- msan_allocator.h ----------------------------------------*- C++ -*-===// 2*7c3d14c8STreehugger Robot // 3*7c3d14c8STreehugger Robot // The LLVM Compiler Infrastructure 4*7c3d14c8STreehugger Robot // 5*7c3d14c8STreehugger Robot // This file is distributed under the University of Illinois Open Source 6*7c3d14c8STreehugger Robot // License. See LICENSE.TXT for details. 7*7c3d14c8STreehugger Robot // 8*7c3d14c8STreehugger Robot //===----------------------------------------------------------------------===// 9*7c3d14c8STreehugger Robot // 10*7c3d14c8STreehugger Robot // This file is a part of MemorySanitizer. 11*7c3d14c8STreehugger Robot // 12*7c3d14c8STreehugger Robot //===----------------------------------------------------------------------===// 13*7c3d14c8STreehugger Robot 14*7c3d14c8STreehugger Robot #ifndef MSAN_ALLOCATOR_H 15*7c3d14c8STreehugger Robot #define MSAN_ALLOCATOR_H 16*7c3d14c8STreehugger Robot 17*7c3d14c8STreehugger Robot #include "sanitizer_common/sanitizer_common.h" 18*7c3d14c8STreehugger Robot 19*7c3d14c8STreehugger Robot namespace __msan { 20*7c3d14c8STreehugger Robot 21*7c3d14c8STreehugger Robot struct MsanThreadLocalMallocStorage { 22*7c3d14c8STreehugger Robot uptr quarantine_cache[16]; 23*7c3d14c8STreehugger Robot // Allocator cache contains atomic_uint64_t which must be 8-byte aligned. 24*7c3d14c8STreehugger Robot ALIGNED(8) uptr allocator_cache[96 * (512 * 8 + 16)]; // Opaque. 25*7c3d14c8STreehugger Robot void CommitBack(); 26*7c3d14c8STreehugger Robot 27*7c3d14c8STreehugger Robot private: 28*7c3d14c8STreehugger Robot // These objects are allocated via mmap() and are zero-initialized. MsanThreadLocalMallocStorageMsanThreadLocalMallocStorage29*7c3d14c8STreehugger Robot MsanThreadLocalMallocStorage() {} 30*7c3d14c8STreehugger Robot }; 31*7c3d14c8STreehugger Robot 32*7c3d14c8STreehugger Robot } // namespace __msan 33*7c3d14c8STreehugger Robot #endif // MSAN_ALLOCATOR_H 34