/* * Copyright (C) 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 #if ENABLE(WEBASSEMBLY) #include "JSCell.h" #include "RegisterAtOffsetList.h" #include "Structure.h" #include "WasmFormat.h" namespace JSC { class JSWebAssemblyCallee : public JSCell { public: typedef JSCell Base; static const unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal; static JSWebAssemblyCallee* create(VM& vm, Wasm::Entrypoint&& entrypoint) { JSWebAssemblyCallee* callee = new (NotNull, allocateCell<JSWebAssemblyCallee>(vm.heap)) JSWebAssemblyCallee(vm); callee->finishCreation(vm, WTFMove(entrypoint)); return callee; } static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype) { return Structure::create(vm, globalObject, prototype, TypeInfo(CellType, StructureFlags), info()); } DECLARE_EXPORT_INFO; static const bool needsDestruction = true; static void destroy(JSCell*); void* entrypoint() { return m_entrypoint.compilation->code().executableAddress(); } RegisterAtOffsetList* calleeSaveRegisters() { return &m_entrypoint.calleeSaveRegisters; } private: void finishCreation(VM&, Wasm::Entrypoint&&); JSWebAssemblyCallee(VM&); Wasm::Entrypoint m_entrypoint; }; } // namespace JSC #endif // ENABLE(WEBASSEMBLY)