6d4b8bde55
This change moves WebAssembly related data that was previously globally accessible into the `WebAssemblyCache` object and creates one of these per global object. This ensures that WebAssembly data cannot be accessed across realms.
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
/*
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* Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
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* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Optional.h>
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#include <LibJS/Forward.h>
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#include <LibJS/Heap/GCPtr.h>
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#include <LibJS/Heap/Handle.h>
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#include <LibWasm/AbstractMachine/AbstractMachine.h>
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#include <LibWeb/Bindings/ExceptionOrUtils.h>
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#include <LibWeb/Bindings/PlatformObject.h>
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#include <LibWeb/WebAssembly/WebAssembly.h>
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namespace Web::WebAssembly {
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class Instance : public Bindings::PlatformObject {
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WEB_PLATFORM_OBJECT(Instance, Bindings::PlatformObject);
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JS_DECLARE_ALLOCATOR(Instance);
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public:
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<Instance>> construct_impl(JS::Realm&, Module& module, Optional<JS::Handle<JS::Object>>& import_object);
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Object const* exports() const { return m_exports.ptr(); }
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private:
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Instance(JS::Realm&, NonnullOwnPtr<Wasm::ModuleInstance>);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Visitor&) override;
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JS::NonnullGCPtr<Object> m_exports;
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NonnullOwnPtr<Wasm::ModuleInstance> m_module_instance;
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HashMap<Wasm::FunctionAddress, JS::GCPtr<JS::FunctionObject>> m_function_instances;
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HashMap<Wasm::MemoryAddress, JS::GCPtr<WebAssembly::Memory>> m_memory_instances;
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HashMap<Wasm::TableAddress, JS::GCPtr<WebAssembly::Table>> m_table_instances;
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};
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}
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