1/*
2 * Copyright (C) 2015 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 "DFGAdaptiveInferredPropertyValueWatchpoint.h"
28
29#if ENABLE(DFG_JIT)
30
31#include "CodeBlock.h"
32#include "DFGCommon.h"
33#include "JSCInlines.h"
34
35namespace JSC { namespace DFG {
36
37AdaptiveInferredPropertyValueWatchpoint::AdaptiveInferredPropertyValueWatchpoint(const ObjectPropertyCondition& key, CodeBlock* codeBlock)
38 : Base(key)
39 , m_codeBlock(codeBlock)
40{
41}
42
43void AdaptiveInferredPropertyValueWatchpoint::handleFire(VM&, const FireDetail& detail)
44{
45 if (DFG::shouldDumpDisassembly())
46 dataLog("Firing watchpoint ", RawPointer(this), " (", key(), ") on ", *m_codeBlock, "\n");
47
48
49 auto lazyDetail = createLazyFireDetail("Adaptation of ", key(), " failed: ", detail);
50
51 m_codeBlock->jettison(Profiler::JettisonDueToUnprofiledWatchpoint, CountReoptimization, &lazyDetail);
52}
53
54bool AdaptiveInferredPropertyValueWatchpoint::isValid() const
55{
56 return m_codeBlock->isLive();
57}
58
59} } // namespace JSC::DFG
60
61#endif // ENABLE(DFG_JIT)
62
63