1/*
2 * Copyright (C) 2012-2017 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#pragma once
27
28#include "ExitKind.h"
29#include "JSCJSValue.h"
30#include "ProfilerOriginStack.h"
31
32namespace JSC { namespace Profiler {
33
34class OSRExit {
35public:
36 OSRExit(unsigned id, const OriginStack&, ExitKind, bool isWatchpoint);
37 ~OSRExit();
38
39 unsigned id() const { return m_id; }
40 const OriginStack& origin() const { return m_origin; }
41 ExitKind exitKind() const { return m_exitKind; }
42 bool isWatchpoint() const { return m_isWatchpoint; }
43
44 uint64_t* counterAddress() { return &m_counter; }
45 uint64_t count() const { return m_counter; }
46 void incCount() { m_counter++; }
47
48 JSValue toJS(JSGlobalObject*) const;
49
50private:
51 OriginStack m_origin;
52 unsigned m_id;
53 ExitKind m_exitKind;
54 bool m_isWatchpoint;
55 uint64_t m_counter;
56};
57
58} } // namespace JSC::Profiler
59