1/*
2 * Copyright (C) 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#if ENABLE(WEBASSEMBLY)
29
30#include "WasmContext.h"
31#include "WasmModule.h"
32#include "WasmPlan.h"
33
34namespace JSC {
35
36class CallLinkInfo;
37
38namespace Wasm {
39
40class OMGPlan final : public Plan {
41public:
42 using Base = Plan;
43
44 bool hasWork() const override { return !m_completed; }
45 void work(CompilationEffort) override;
46 bool multiThreaded() const override { return false; }
47
48 static void runForIndex(Instance*, uint32_t functionIndex);
49
50private:
51 // For some reason friendship doesn't extend to parent classes...
52 using Base::m_lock;
53
54 // Note: CompletionTask should not hold a reference to the Plan otherwise there will be a reference cycle.
55 OMGPlan(Context*, Ref<Module>&&, uint32_t functionIndex, MemoryMode, CompletionTask&&);
56
57 bool isComplete() const override { return m_completed; }
58 void complete(const AbstractLocker& locker) override
59 {
60 m_completed = true;
61 runCompletionTasks(locker);
62 }
63
64 Ref<Module> m_module;
65 Ref<CodeBlock> m_codeBlock;
66 bool m_completed { false };
67 uint32_t m_functionIndex;
68};
69
70} } // namespace JSC::Wasm
71
72#endif // ENABLE(WEBASSEMBLY)
73