1/*
2 * Copyright (C) 2019 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#if ENABLE(WEBASSEMBLY)
29
30#include "B3ValueRep.h"
31#include "WasmFormat.h"
32#include <wtf/Vector.h>
33
34namespace JSC { namespace Wasm {
35
36class OSREntryValue : public B3::ValueRep {
37public:
38 OSREntryValue(const B3::ValueRep& valueRep, B3::Type type)
39 : B3::ValueRep(valueRep)
40 , m_type(type)
41 {
42 }
43
44 B3::Type type() const { return m_type; }
45
46private:
47 B3::Type m_type;
48};
49
50class OSREntryData {
51 WTF_MAKE_NONCOPYABLE(OSREntryData);
52 WTF_MAKE_FAST_ALLOCATED;
53public:
54 OSREntryData(uint32_t functionIndex, uint32_t loopIndex)
55 : m_functionIndex(functionIndex)
56 , m_loopIndex(loopIndex)
57 {
58 }
59
60 uint32_t functionIndex() const { return m_functionIndex; }
61 uint32_t loopIndex() const { return m_loopIndex; }
62 Vector<OSREntryValue>& values() { return m_values; }
63
64private:
65 uint32_t m_functionIndex;
66 uint32_t m_loopIndex;
67 Vector<OSREntryValue> m_values;
68};
69
70} } // namespace JSC::Wasm
71
72#endif // ENABLE(WEBASSEMBLY)
73