mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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90 lines
3.2 KiB
C++
90 lines
3.2 KiB
C++
/*
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* Copyright (C) 2009-2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "ExecutableBase.h"
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namespace JSC {
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class NativeExecutable final : public ExecutableBase {
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friend class JIT;
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friend class LLIntOffsetsExtractor;
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public:
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typedef ExecutableBase Base;
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static constexpr unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal;
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static NativeExecutable* create(VM&, Ref<JITCode>&& callThunk, TaggedNativeFunction, Ref<JITCode>&& constructThunk, TaggedNativeFunction constructor, const String& name);
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static void destroy(JSCell*);
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template<typename CellType, SubspaceAccess>
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static IsoSubspace* subspaceFor(VM& vm)
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{
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return &vm.nativeExecutableSpace;
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}
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CodeBlockHash hashFor(CodeSpecializationKind) const;
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TaggedNativeFunction function() const { return m_function; }
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TaggedNativeFunction constructor() const { return m_constructor; }
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TaggedNativeFunction nativeFunctionFor(CodeSpecializationKind kind)
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{
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if (kind == CodeForCall)
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return function();
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ASSERT(kind == CodeForConstruct);
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return constructor();
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}
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static ptrdiff_t offsetOfNativeFunctionFor(CodeSpecializationKind kind)
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{
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if (kind == CodeForCall)
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return OBJECT_OFFSETOF(NativeExecutable, m_function);
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ASSERT(kind == CodeForConstruct);
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return OBJECT_OFFSETOF(NativeExecutable, m_constructor);
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}
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static Structure* createStructure(VM&, JSGlobalObject*, JSValue proto);
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DECLARE_INFO;
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const String& name() const { return m_name; }
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const DOMJIT::Signature* signatureFor(CodeSpecializationKind) const;
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Intrinsic intrinsic() const;
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private:
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NativeExecutable(VM&, TaggedNativeFunction, TaggedNativeFunction constructor);
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void finishCreation(VM&, Ref<JITCode>&& callThunk, Ref<JITCode>&& constructThunk, const String& name);
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TaggedNativeFunction m_function;
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TaggedNativeFunction m_constructor;
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String m_name;
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};
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} // namespace JSC
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