1/*
2 * Copyright (C) 2014 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WriteBarrierInlines_h
27#define WriteBarrierInlines_h
28
29#include "VM.h"
30#include "WriteBarrier.h"
31
32namespace JSC {
33
34template <typename T>
35inline void WriteBarrierBase<T>::set(VM& vm, const JSCell* owner, T* value)
36{
37 ASSERT(value);
38 ASSERT(!Options::useConcurrentJIT() || !isCompilationThread());
39 validateCell(value);
40 setEarlyValue(vm, owner, value);
41}
42
43template <typename T>
44inline void WriteBarrierBase<T>::setMayBeNull(VM& vm, const JSCell* owner, T* value)
45{
46 if (value)
47 validateCell(value);
48 setEarlyValue(vm, owner, value);
49}
50
51template <typename T>
52inline void WriteBarrierBase<T>::setEarlyValue(VM& vm, const JSCell* owner, T* value)
53{
54 this->m_cell = reinterpret_cast<JSCell*>(value);
55 vm.heap.writeBarrier(owner, this->m_cell);
56}
57
58inline void WriteBarrierBase<Unknown>::set(VM& vm, const JSCell* owner, JSValue value)
59{
60 ASSERT(!Options::useConcurrentJIT() || !isCompilationThread());
61 m_value = JSValue::encode(value);
62 vm.heap.writeBarrier(owner, value);
63}
64
65} // namespace JSC
66
67#endif // WriteBarrierInlines_h
68