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annotate projects/compiler-rt/lib/msan/msan_allocator.h @ 214:0cf2d4ade63d

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 13 Jul 2021 09:53:52 +0900
parents f476a9ba4795
children
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1 //===-- msan_allocator.h ----------------------------------------*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file is a part of MemorySanitizer.
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 #ifndef MSAN_ALLOCATOR_H
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15 #define MSAN_ALLOCATOR_H
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16
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17 #include "sanitizer_common/sanitizer_common.h"
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18
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19 namespace __msan {
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20
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21 struct MsanThreadLocalMallocStorage {
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22 uptr quarantine_cache[16];
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23 // Allocator cache contains atomic_uint64_t which must be 8-byte aligned.
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24 ALIGNED(8) uptr allocator_cache[96 * (512 * 8 + 16)]; // Opaque.
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25 void CommitBack();
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26
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27 private:
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28 // These objects are allocated via mmap() and are zero-initialized.
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29 MsanThreadLocalMallocStorage() {}
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30 };
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31
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32 } // namespace __msan
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33 #endif // MSAN_ALLOCATOR_H