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 "WasmEntryPlan.h"
31#include "WasmFunctionCodeBlock.h"
32
33namespace JSC {
34
35class CallLinkInfo;
36
37namespace Wasm {
38
39class LLIntCallee;
40
41class LLIntPlan final : public EntryPlan {
42public:
43 using Base = EntryPlan;
44
45 using Base::Base;
46
47 void initializeCallees(const CalleeInitializer&) override;
48
49 MacroAssemblerCodeRef<B3CompilationPtrTag>&& takeEntryThunks()
50 {
51 RELEASE_ASSERT(!failed() && !hasWork());
52 return WTFMove(m_entryThunks);
53 }
54
55protected:
56 bool prepareImpl() override;
57 void compileFunction(uint32_t functionIndex) override;
58 void didCompleteCompilation(const AbstractLocker&) override;
59
60private:
61 struct EmbederToWasmFunction {
62 std::unique_ptr<CCallHelpers> jit;
63 std::unique_ptr<InternalFunction> function;
64 };
65
66 Vector<std::unique_ptr<FunctionCodeBlock>> m_wasmInternalFunctions;
67 Vector<Ref<LLIntCallee>> m_callees;
68 HashMap<uint32_t, EmbederToWasmFunction, typename DefaultHash<uint32_t>::Hash, WTF::UnsignedWithZeroKeyHashTraits<uint32_t>> m_embedderToWasmInternalFunctions;
69 MacroAssemblerCodeRef<B3CompilationPtrTag> m_entryThunks;
70};
71
72
73} } // namespace JSC::Wasm
74
75#endif // ENABLE(WEBASSEMBLY)
76