1/*
2 * Copyright (C) 2013 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "DFGDesiredWatchpoints.h"
28
29#if ENABLE(DFG_JIT)
30
31#include "ArrayBufferNeuteringWatchpoint.h"
32#include "CodeBlock.h"
33#include "JSCInlines.h"
34
35namespace JSC { namespace DFG {
36
37void ArrayBufferViewWatchpointAdaptor::add(
38    CodeBlock* codeBlock, JSArrayBufferView* view, Watchpoint* watchpoint)
39{
40    ArrayBufferNeuteringWatchpoint* neuteringWatchpoint =
41        ArrayBufferNeuteringWatchpoint::create(*codeBlock->vm());
42    neuteringWatchpoint->set()->add(watchpoint);
43    codeBlock->addConstant(neuteringWatchpoint);
44    codeBlock->vm()->heap.addReference(neuteringWatchpoint, view->buffer());
45}
46
47DesiredWatchpoints::DesiredWatchpoints() { }
48DesiredWatchpoints::~DesiredWatchpoints() { }
49
50void DesiredWatchpoints::addLazily(WatchpointSet* set)
51{
52    m_sets.addLazily(set);
53}
54
55void DesiredWatchpoints::addLazily(InlineWatchpointSet& set)
56{
57    m_inlineSets.addLazily(&set);
58}
59
60void DesiredWatchpoints::addLazily(JSArrayBufferView* view)
61{
62    m_bufferViews.addLazily(view);
63}
64
65void DesiredWatchpoints::addLazily(CodeOrigin codeOrigin, ExitKind exitKind, WatchpointSet* set)
66{
67    m_sets.addLazily(codeOrigin, exitKind, set);
68}
69
70void DesiredWatchpoints::addLazily(CodeOrigin codeOrigin, ExitKind exitKind, InlineWatchpointSet& set)
71{
72    m_inlineSets.addLazily(codeOrigin, exitKind, &set);
73}
74
75void DesiredWatchpoints::reallyAdd(CodeBlock* codeBlock, CommonData& commonData)
76{
77    m_sets.reallyAdd(codeBlock, commonData);
78    m_inlineSets.reallyAdd(codeBlock, commonData);
79    m_bufferViews.reallyAdd(codeBlock, commonData);
80}
81
82bool DesiredWatchpoints::areStillValid() const
83{
84    return m_sets.areStillValid()
85        && m_inlineSets.areStillValid()
86        && m_bufferViews.areStillValid();
87}
88
89} } // namespace JSC::DFG
90
91#endif // ENABLE(DFG_JIT)
92
93