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Diffstat (limited to 'Source/JavaScriptCore/runtime/NativeExecutable.h')
-rw-r--r-- | Source/JavaScriptCore/runtime/NativeExecutable.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/NativeExecutable.h b/Source/JavaScriptCore/runtime/NativeExecutable.h new file mode 100644 index 000000000..aa56cf4dc --- /dev/null +++ b/Source/JavaScriptCore/runtime/NativeExecutable.h @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2009, 2010, 2013-2016 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#pragma once + +#include "ExecutableBase.h" + +namespace JSC { +namespace DOMJIT { +class Signature; +} + +class NativeExecutable final : public ExecutableBase { + friend class JIT; + friend class LLIntOffsetsExtractor; +public: + typedef ExecutableBase Base; + static const unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal; + + static NativeExecutable* create(VM&, Ref<JITCode>&& callThunk, NativeFunction function, Ref<JITCode>&& constructThunk, NativeFunction constructor, Intrinsic, const DOMJIT::Signature*, const String& name); + + static void destroy(JSCell*); + + CodeBlockHash hashFor(CodeSpecializationKind) const; + + NativeFunction function() { return m_function; } + NativeFunction constructor() { return m_constructor; } + + NativeFunction nativeFunctionFor(CodeSpecializationKind kind) + { + if (kind == CodeForCall) + return function(); + ASSERT(kind == CodeForConstruct); + return constructor(); + } + + static ptrdiff_t offsetOfNativeFunctionFor(CodeSpecializationKind kind) + { + if (kind == CodeForCall) + return OBJECT_OFFSETOF(NativeExecutable, m_function); + ASSERT(kind == CodeForConstruct); + return OBJECT_OFFSETOF(NativeExecutable, m_constructor); + } + + static Structure* createStructure(VM&, JSGlobalObject*, JSValue proto); + + DECLARE_INFO; + + const String& name() const { return m_name; } + const DOMJIT::Signature* signature() const { return m_signature; } + + const DOMJIT::Signature* signatureFor(CodeSpecializationKind kind) const + { + if (isCall(kind)) + return signature(); + return nullptr; + } + +protected: + void finishCreation(VM&, Ref<JITCode>&& callThunk, Ref<JITCode>&& constructThunk, const String& name); + +private: + friend class ExecutableBase; + + NativeExecutable(VM&, NativeFunction function, NativeFunction constructor, Intrinsic, const DOMJIT::Signature*); + + NativeFunction m_function; + NativeFunction m_constructor; + const DOMJIT::Signature* m_signature; + + String m_name; +}; + +} // namespace JSC |