| /* |
| * Copyright (C) 2017-2021 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. |
| */ |
| |
| #include "config.h" |
| #include "WebCoreJSClientData.h" |
| |
| #include "DOMGCOutputConstraint.h" |
| #include "DOMIsoSubspaces.h" |
| #include "JSAudioWorkletGlobalScope.h" |
| #include "JSDOMBinding.h" |
| #include "JSDOMBuiltinConstructorBase.h" |
| #include "JSDOMWindow.h" |
| #include "JSDOMWindowProperties.h" |
| #include "JSDedicatedWorkerGlobalScope.h" |
| #include "JSIDBSerializationGlobalObject.h" |
| #include "JSPaintWorkletGlobalScope.h" |
| #include "JSRemoteDOMWindow.h" |
| #include "JSServiceWorkerGlobalScope.h" |
| #include "JSShadowRealmGlobalScope.h" |
| #include "JSSharedWorkerGlobalScope.h" |
| #include "JSWindowProxy.h" |
| #include "JSWorkerGlobalScope.h" |
| #include "JSWorkletGlobalScope.h" |
| #include <JavaScriptCore/FastMallocAlignedMemoryAllocator.h> |
| #include <JavaScriptCore/HeapInlines.h> |
| #include <JavaScriptCore/IsoHeapCellType.h> |
| #include <JavaScriptCore/JSDestructibleObjectHeapCellType.h> |
| #include <JavaScriptCore/MarkingConstraint.h> |
| #include <JavaScriptCore/SubspaceInlines.h> |
| #include <JavaScriptCore/VM.h> |
| #include "runtime_array.h" |
| #include "runtime_method.h" |
| #include "runtime_object.h" |
| #include <wtf/MainThread.h> |
| |
| namespace WebCore { |
| using namespace JSC; |
| |
| JSVMClientData::JSVMClientData(VM& vm) |
| : m_builtinFunctions(vm) |
| , m_builtinNames(vm) |
| , m_runtimeArrayHeapCellType(JSC::IsoHeapCellType::Args<RuntimeArray>()) |
| , m_runtimeObjectHeapCellType(JSC::IsoHeapCellType::Args<JSC::Bindings::RuntimeObject>()) |
| , m_windowProxyHeapCellType(JSC::IsoHeapCellType::Args<JSWindowProxy>()) |
| , m_heapCellTypeForJSDOMWindow(JSC::IsoHeapCellType::Args<JSDOMWindow>()) |
| , m_heapCellTypeForJSDedicatedWorkerGlobalScope(JSC::IsoHeapCellType::Args<JSDedicatedWorkerGlobalScope>()) |
| , m_heapCellTypeForJSRemoteDOMWindow(JSC::IsoHeapCellType::Args<JSRemoteDOMWindow>()) |
| , m_heapCellTypeForJSWorkerGlobalScope(JSC::IsoHeapCellType::Args<JSWorkerGlobalScope>()) |
| , m_heapCellTypeForJSSharedWorkerGlobalScope(JSC::IsoHeapCellType::Args<JSSharedWorkerGlobalScope>()) |
| , m_heapCellTypeForJSShadowRealmGlobalScope(JSC::IsoHeapCellType::Args<JSShadowRealmGlobalScope>()) |
| #if ENABLE(SERVICE_WORKER) |
| , m_heapCellTypeForJSServiceWorkerGlobalScope(JSC::IsoHeapCellType::Args<JSServiceWorkerGlobalScope>()) |
| #endif |
| , m_heapCellTypeForJSWorkletGlobalScope(JSC::IsoHeapCellType::Args<JSWorkletGlobalScope>()) |
| #if ENABLE(CSS_PAINTING_API) |
| , m_heapCellTypeForJSPaintWorkletGlobalScope(JSC::IsoHeapCellType::Args<JSPaintWorkletGlobalScope>()) |
| #endif |
| #if ENABLE(WEB_AUDIO) |
| , m_heapCellTypeForJSAudioWorkletGlobalScope(JSC::IsoHeapCellType::Args<JSAudioWorkletGlobalScope>()) |
| #endif |
| , m_heapCellTypeForJSIDBSerializationGlobalObject(JSC::IsoHeapCellType::Args<JSIDBSerializationGlobalObject>()) |
| , m_domBuiltinConstructorSpace ISO_SUBSPACE_INIT(vm.heap, vm.cellHeapCellType(), JSDOMBuiltinConstructorBase) |
| , m_domConstructorSpace ISO_SUBSPACE_INIT(vm.heap, vm.cellHeapCellType(), JSDOMConstructorBase) |
| , m_domNamespaceObjectSpace ISO_SUBSPACE_INIT(vm.heap, vm.cellHeapCellType(), JSDOMObject) |
| , m_domWindowPropertiesSpace ISO_SUBSPACE_INIT(vm.heap, vm.cellHeapCellType(), JSDOMWindowProperties) |
| , m_runtimeArraySpace ISO_SUBSPACE_INIT(vm.heap, m_runtimeArrayHeapCellType, RuntimeArray) |
| , m_runtimeMethodSpace ISO_SUBSPACE_INIT(vm.heap, vm.cellHeapCellType(), RuntimeMethod) // Hash:0xf70c4a85 |
| , m_runtimeObjectSpace ISO_SUBSPACE_INIT(vm.heap, m_runtimeObjectHeapCellType, JSC::Bindings::RuntimeObject) |
| , m_windowProxySpace ISO_SUBSPACE_INIT(vm.heap, m_windowProxyHeapCellType, JSWindowProxy) |
| , m_idbSerializationSpace ISO_SUBSPACE_INIT(vm.heap, m_heapCellTypeForJSIDBSerializationGlobalObject, JSIDBSerializationGlobalObject) |
| , m_subspaces(makeUnique<DOMIsoSubspaces>()) |
| { |
| } |
| |
| JSVMClientData::~JSVMClientData() |
| { |
| ASSERT(m_worldSet.contains(m_normalWorld.get())); |
| ASSERT(m_worldSet.size() == 1); |
| ASSERT(m_normalWorld->hasOneRef()); |
| m_normalWorld = nullptr; |
| ASSERT(m_worldSet.isEmpty()); |
| } |
| |
| void JSVMClientData::getAllWorlds(Vector<Ref<DOMWrapperWorld>>& worlds) |
| { |
| ASSERT(worlds.isEmpty()); |
| |
| worlds.reserveInitialCapacity(m_worldSet.size()); |
| |
| // It is necessary to order the `DOMWrapperWorld`s because certain callers expect the main world |
| // to be the first item in the list, as they use the main world as an indicator of when the page |
| // is ready to start evaluating JavaScript. For example, Web Inspector waits for the main world |
| // change to clear any injected scripts and debugger/breakpoint state. |
| |
| auto& mainNormalWorld = mainThreadNormalWorld(); |
| |
| // Add main normal world. |
| if (m_worldSet.contains(&mainNormalWorld)) |
| worlds.uncheckedAppend(mainNormalWorld); |
| |
| // Add other normal worlds. |
| for (auto* world : m_worldSet) { |
| if (world->type() != DOMWrapperWorld::Type::Normal) |
| continue; |
| if (world == &mainNormalWorld) |
| continue; |
| worlds.uncheckedAppend(*world); |
| } |
| |
| // Add non-normal worlds. |
| for (auto* world : m_worldSet) { |
| if (world->type() == DOMWrapperWorld::Type::Normal) |
| continue; |
| worlds.uncheckedAppend(*world); |
| } |
| } |
| |
| void JSVMClientData::initNormalWorld(VM* vm, WorkerThreadType type) |
| { |
| JSVMClientData* clientData = new JSVMClientData(*vm); |
| vm->clientData = clientData; // ~VM deletes this pointer. |
| |
| vm->heap.addMarkingConstraint(makeUnique<DOMGCOutputConstraint>(*vm, *clientData)); |
| |
| clientData->m_normalWorld = DOMWrapperWorld::create(*vm, DOMWrapperWorld::Type::Normal); |
| vm->m_typedArrayController = adoptRef(new WebCoreTypedArrayController(type == WorkerThreadType::DedicatedWorker || type == WorkerThreadType::Worklet)); |
| } |
| |
| } // namespace WebCore |
| |