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LibWeb: Support creation of shared memory in WebAssembly API

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Add support for shared memory creation in WebAssembly memory API.
This API is needed for WPT tests that use shared array buffers.

Import related WPT tests.
This commit is contained in:
Konstantin Konstantin 2024-12-07 21:17:20 +01:00 • committed by Ali Mohammad Pur
commit b03138cbff
Notes: github-actions[bot] 2024-12-08 21:11:34 +00:00
13 changed files with 516 additions and 16 deletions
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11
Libraries/LibWeb/WebAssembly/Memory.h
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@ -20,12 +20,18 @@ namespace Web::WebAssembly {
struct MemoryDescriptor {
u32 initial { 0 };
Optional<u32> maximum;
Optional<bool> shared;
};
class Memory : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(Memory, Bindings::PlatformObject);
GC_DECLARE_ALLOCATOR(Memory);
enum class Shared {
No,
Yes,
};
public:
static WebIDL::ExceptionOr<GC::Ref<Memory>> construct_impl(JS::Realm&, MemoryDescriptor& descriptor);
@ -35,15 +41,16 @@ public:
Wasm::MemoryAddress address() const { return m_address; }
private:
Memory(JS::Realm&, Wasm::MemoryAddress);
Memory(JS::Realm&, Wasm::MemoryAddress, Shared shared);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Visitor&) override;
WebIDL::ExceptionOr<void> reset_the_memory_buffer();
static WebIDL::ExceptionOr<GC::Ref<JS::ArrayBuffer>> create_a_memory_buffer(JS::VM&, JS::Realm&, Wasm::MemoryAddress);
static WebIDL::ExceptionOr<GC::Ref<JS::ArrayBuffer>> create_a_fixed_length_memory_buffer(JS::VM&, JS::Realm&, Wasm::MemoryAddress, Shared shared);
Wasm::MemoryAddress m_address;
Shared m_shared { Shared::No };
mutable GC::Ptr<JS::ArrayBuffer> m_buffer;
};