Upgrade V8 binaries for 11.1.277.13 version

deps/include/cppgc/internal/gc-info.h

@@ -10,6 +10,7 @@
 #include <type_traits>
 
 #include "cppgc/internal/finalizer-trait.h"
+#include "cppgc/internal/logging.h"
 #include "cppgc/internal/name-trait.h"
 #include "cppgc/trace-trait.h"
 #include "v8config.h"  // NOLINT(build/include_directory)
@@ -20,12 +21,12 @@ namespace internal {
 using GCInfoIndex = uint16_t;
 
 struct V8_EXPORT EnsureGCInfoIndexTrait final {
-  // Acquires a new GC info object and returns the index. In addition, also
-  // updates `registered_index` atomically.
+  // Acquires a new GC info object and updates `registered_index` with the index
+  // that identifies that new info accordingly.
   template <typename T>
-  V8_INLINE static GCInfoIndex EnsureIndex(
+  V8_INLINE static void EnsureIndex(
       std::atomic<GCInfoIndex>& registered_index) {
-    return EnsureGCInfoIndexTraitDispatch<T>{}(registered_index);
+    EnsureGCInfoIndexTraitDispatch<T>{}(registered_index);
   }
 
  private:
@@ -34,38 +35,32 @@ struct V8_EXPORT EnsureGCInfoIndexTrait final {
             bool = NameTrait<T>::HasNonHiddenName()>
   struct EnsureGCInfoIndexTraitDispatch;
 
-  static GCInfoIndex EnsureGCInfoIndexPolymorphic(std::atomic<GCInfoIndex>&,
-                                                  TraceCallback,
-                                                  FinalizationCallback,
-                                                  NameCallback);
-  static GCInfoIndex EnsureGCInfoIndexPolymorphic(std::atomic<GCInfoIndex>&,
-                                                  TraceCallback,
-                                                  FinalizationCallback);
-  static GCInfoIndex EnsureGCInfoIndexPolymorphic(std::atomic<GCInfoIndex>&,
-                                                  TraceCallback, NameCallback);
-  static GCInfoIndex EnsureGCInfoIndexPolymorphic(std::atomic<GCInfoIndex>&,
-                                                  TraceCallback);
-  static GCInfoIndex EnsureGCInfoIndexNonPolymorphic(std::atomic<GCInfoIndex>&,
-                                                     TraceCallback,
-                                                     FinalizationCallback,
-                                                     NameCallback);
-  static GCInfoIndex EnsureGCInfoIndexNonPolymorphic(std::atomic<GCInfoIndex>&,
-                                                     TraceCallback,
-                                                     FinalizationCallback);
-  static GCInfoIndex EnsureGCInfoIndexNonPolymorphic(std::atomic<GCInfoIndex>&,
-                                                     TraceCallback,
-                                                     NameCallback);
-  static GCInfoIndex EnsureGCInfoIndexNonPolymorphic(std::atomic<GCInfoIndex>&,
-                                                     TraceCallback);
+  static void V8_PRESERVE_MOST
+  EnsureGCInfoIndexPolymorphic(std::atomic<GCInfoIndex>&, TraceCallback,
+                               FinalizationCallback, NameCallback);
+  static void V8_PRESERVE_MOST EnsureGCInfoIndexPolymorphic(
+      std::atomic<GCInfoIndex>&, TraceCallback, FinalizationCallback);
+  static void V8_PRESERVE_MOST EnsureGCInfoIndexPolymorphic(
+      std::atomic<GCInfoIndex>&, TraceCallback, NameCallback);
+  static void V8_PRESERVE_MOST
+  EnsureGCInfoIndexPolymorphic(std::atomic<GCInfoIndex>&, TraceCallback);
+  static void V8_PRESERVE_MOST
+  EnsureGCInfoIndexNonPolymorphic(std::atomic<GCInfoIndex>&, TraceCallback,
+                                  FinalizationCallback, NameCallback);
+  static void V8_PRESERVE_MOST EnsureGCInfoIndexNonPolymorphic(
+      std::atomic<GCInfoIndex>&, TraceCallback, FinalizationCallback);
+  static void V8_PRESERVE_MOST EnsureGCInfoIndexNonPolymorphic(
+      std::atomic<GCInfoIndex>&, TraceCallback, NameCallback);
+  static void V8_PRESERVE_MOST
+  EnsureGCInfoIndexNonPolymorphic(std::atomic<GCInfoIndex>&, TraceCallback);
 };
 
 #define DISPATCH(is_polymorphic, has_finalizer, has_non_hidden_name, function) \
   template <typename T>                                                        \
   struct EnsureGCInfoIndexTrait::EnsureGCInfoIndexTraitDispatch<               \
       T, is_polymorphic, has_finalizer, has_non_hidden_name> {                 \
-    V8_INLINE GCInfoIndex                                                      \
-    operator()(std::atomic<GCInfoIndex>& registered_index) {                   \
-      return function;                                                         \
+    V8_INLINE void operator()(std::atomic<GCInfoIndex>& registered_index) {    \
+      function;                                                                \
     }                                                                          \
   };
 
@@ -143,9 +138,16 @@ struct GCInfoTrait final {
     static_assert(sizeof(T), "T must be fully defined");
     static std::atomic<GCInfoIndex>
         registered_index;  // Uses zero initialization.
-    const GCInfoIndex index = registered_index.load(std::memory_order_acquire);
-    return index ? index
-                 : EnsureGCInfoIndexTrait::EnsureIndex<T>(registered_index);
+    GCInfoIndex index = registered_index.load(std::memory_order_acquire);
+    if (V8_UNLIKELY(!index)) {
+      EnsureGCInfoIndexTrait::EnsureIndex<T>(registered_index);
+      // Slow path call uses V8_PRESERVE_MOST which does not support return
+      // values (also preserves RAX). Avoid out parameter by just reloading the
+      // value here which at this point is guaranteed to be set.
+      index = registered_index.load(std::memory_order_acquire);
+      CPPGC_DCHECK(index != 0);
+    }
+    return index;
   }
 };
 

deps/include/cppgc/internal/pointer-policies.h

@@ -34,18 +34,28 @@ struct DijkstraWriteBarrierPolicy {
   }
 
   V8_INLINE static void AssigningBarrier(const void* slot, const void* value) {
+#ifdef CPPGC_SLIM_WRITE_BARRIER
+    if (V8_UNLIKELY(WriteBarrier::IsEnabled()))
+      WriteBarrier::CombinedWriteBarrierSlow(slot);
+#else   // !CPPGC_SLIM_WRITE_BARRIER
     WriteBarrier::Params params;
     const WriteBarrier::Type type =
         WriteBarrier::GetWriteBarrierType(slot, value, params);
     WriteBarrier(type, params, slot, value);
+#endif  // !CPPGC_SLIM_WRITE_BARRIER
   }
 
   V8_INLINE static void AssigningBarrier(const void* slot,
                                          MemberStorage storage) {
+#ifdef CPPGC_SLIM_WRITE_BARRIER
+    if (V8_UNLIKELY(WriteBarrier::IsEnabled()))
+      WriteBarrier::CombinedWriteBarrierSlow(slot);
+#else   // !CPPGC_SLIM_WRITE_BARRIER
     WriteBarrier::Params params;
     const WriteBarrier::Type type =
         WriteBarrier::GetWriteBarrierType(slot, storage, params);
     WriteBarrier(type, params, slot, storage.Load());
+#endif  // !CPPGC_SLIM_WRITE_BARRIER
   }
 
  private:

deps/include/cppgc/internal/write-barrier.h

@@ -79,6 +79,14 @@ class V8_EXPORT WriteBarrier final {
   // Returns the required write barrier for a given  `value`.
   static V8_INLINE Type GetWriteBarrierType(const void* value, Params& params);
 
+#ifdef CPPGC_SLIM_WRITE_BARRIER
+  // A write barrier that combines `GenerationalBarrier()` and
+  // `DijkstraMarkingBarrier()`. We only pass a single parameter here to clobber
+  // as few registers as possible.
+  static V8_NOINLINE void V8_PRESERVE_MOST
+  CombinedWriteBarrierSlow(const void* slot);
+#endif  // CPPGC_SLIM_WRITE_BARRIER
+
   static V8_INLINE void DijkstraMarkingBarrier(const Params& params,
                                                const void* object);
   static V8_INLINE void DijkstraMarkingBarrierRange(

deps/include/cppgc/visitor.h

@@ -229,7 +229,8 @@ class V8_EXPORT Visitor {
   }
 
   /**
-   * Trace method for retaining containers weakly.
+   * Trace method for retaining containers weakly. Note that weak containers
+   * should emit write barriers.
    *
    * \param object reference to the container.
    * \param callback to be invoked.

deps/include/js_protocol.pdl

@@ -1402,6 +1402,13 @@ domain Runtime
       optional string objectGroup
       # Whether to throw an exception if side effect cannot be ruled out during evaluation.
       experimental optional boolean throwOnSideEffect
+      # An alternative way to specify the execution context to call function on.
+      # Compared to contextId that may be reused across processes, this is guaranteed to be
+      # system-unique, so it can be used to prevent accidental function call
+      # in context different than intended (e.g. as a result of navigation across process
+      # boundaries).
+      # This is mutually exclusive with `executionContextId`.
+      experimental optional string uniqueContextId
       # Whether the result should contain `webDriverValue`, serialized according to
       # https://w3c.github.io/webdriver-bidi. This is mutually exclusive with `returnByValue`, but
       # resulting `objectId` is still provided.
@@ -1734,7 +1741,9 @@ domain Runtime
   event executionContextDestroyed
     parameters
       # Id of the destroyed context
-      ExecutionContextId executionContextId
+      deprecated ExecutionContextId executionContextId
+      # Unique Id of the destroyed context
+      experimental string executionContextUniqueId
 
   # Issued when all executionContexts were cleared in browser
   event executionContextsCleared

deps/include/libplatform/v8-tracing.h

@@ -282,12 +282,12 @@ class V8_PLATFORM_EXPORT TracingController
                                 const char* name, uint64_t handle) override;
 
   static const char* GetCategoryGroupName(const uint8_t* category_enabled_flag);
-#endif  // !defined(V8_USE_PERFETTO)
 
   void AddTraceStateObserver(
       v8::TracingController::TraceStateObserver* observer) override;
   void RemoveTraceStateObserver(
       v8::TracingController::TraceStateObserver* observer) override;
+#endif  // !defined(V8_USE_PERFETTO)
 
   void StartTracing(TraceConfig* trace_config);
   void StopTracing();
@@ -307,7 +307,6 @@ class V8_PLATFORM_EXPORT TracingController
   std::unique_ptr<base::Mutex> mutex_;
   std::unique_ptr<TraceConfig> trace_config_;
   std::atomic_bool recording_{false};
-  std::unordered_set<v8::TracingController::TraceStateObserver*> observers_;
 
 #if defined(V8_USE_PERFETTO)
   std::ostream* output_stream_ = nullptr;
@@ -316,6 +315,7 @@ class V8_PLATFORM_EXPORT TracingController
   TraceEventListener* listener_for_testing_ = nullptr;
   std::unique_ptr<perfetto::TracingSession> tracing_session_;
 #else   // !defined(V8_USE_PERFETTO)
+  std::unordered_set<v8::TracingController::TraceStateObserver*> observers_;
   std::unique_ptr<TraceBuffer> trace_buffer_;
 #endif  // !defined(V8_USE_PERFETTO)
 

deps/include/v8-array-buffer.h

@@ -53,12 +53,28 @@ class V8_EXPORT BackingStore : public v8::internal::BackingStoreBase {
    */
   size_t ByteLength() const;
 
+  /**
+   * The maximum length (in bytes) that this backing store may grow to.
+   *
+   * If this backing store was created for a resizable ArrayBuffer or a growable
+   * SharedArrayBuffer, it is >= ByteLength(). Otherwise it is ==
+   * ByteLength().
+   */
+  size_t MaxByteLength() const;
+
   /**
    * Indicates whether the backing store was created for an ArrayBuffer or
    * a SharedArrayBuffer.
    */
   bool IsShared() const;
 
+  /**
+   * Indicates whether the backing store was created for a resizable ArrayBuffer
+   * or a growable SharedArrayBuffer, and thus may be resized by user JavaScript
+   * code.
+   */
+  bool IsResizableByUserJavaScript() const;
+
   /**
    * Prevent implicit instantiation of operator delete with size_t argument.
    * The size_t argument would be incorrect because ptr points to the
@@ -189,6 +205,11 @@ class V8_EXPORT ArrayBuffer : public Object {
    */
   size_t ByteLength() const;
 
+  /**
+   * Maximum length in bytes.
+   */
+  size_t MaxByteLength() const;
+
   /**
    * Create a new ArrayBuffer. Allocate |byte_length| bytes.
    * Allocated memory will be owned by a created ArrayBuffer and
@@ -235,6 +256,21 @@ class V8_EXPORT ArrayBuffer : public Object {
       void* data, size_t byte_length, v8::BackingStore::DeleterCallback deleter,
       void* deleter_data);
 
+  /**
+   * Returns a new resizable standalone BackingStore that is allocated using the
+   * array buffer allocator of the isolate. The result can be later passed to
+   * ArrayBuffer::New.
+   *
+   * |byte_length| must be <= |max_byte_length|.
+   *
+   * This function is usable without an isolate. Unlike |NewBackingStore| calls
+   * with an isolate, GCs cannot be triggered, and there are no
+   * retries. Allocation failure will cause the function to crash with an
+   * out-of-memory error.
+   */
+  static std::unique_ptr<BackingStore> NewResizableBackingStore(
+      size_t byte_length, size_t max_byte_length);
+
   /**
    * Returns true if this ArrayBuffer may be detached.
    */
@@ -392,6 +428,11 @@ class V8_EXPORT SharedArrayBuffer : public Object {
    */
   size_t ByteLength() const;
 
+  /**
+   * Maximum length in bytes.
+   */
+  size_t MaxByteLength() const;
+
   /**
    * Create a new SharedArrayBuffer. Allocate |byte_length| bytes.
    * Allocated memory will be owned by a created SharedArrayBuffer and

deps/include/v8-callbacks.h

@@ -328,6 +328,10 @@ using WasmSimdEnabledCallback = bool (*)(Local<Context> context);
 // --- Callback for checking if WebAssembly exceptions are enabled ---
 using WasmExceptionsEnabledCallback = bool (*)(Local<Context> context);
 
+// --- Callback for checking if WebAssembly GC is enabled ---
+// If the callback returns true, it will also enable Wasm stringrefs.
+using WasmGCEnabledCallback = bool (*)(Local<Context> context);
+
 // --- Callback for checking if the SharedArrayBuffer constructor is enabled ---
 using SharedArrayBufferConstructorEnabledCallback =
     bool (*)(Local<Context> context);

deps/include/v8-cppgc.h

@@ -77,6 +77,15 @@ struct WrapperDescriptor final {
 };
 
 struct V8_EXPORT CppHeapCreateParams {
+  CppHeapCreateParams(
+      std::vector<std::unique_ptr<cppgc::CustomSpaceBase>> custom_spaces,
+      WrapperDescriptor wrapper_descriptor)
+      : custom_spaces(std::move(custom_spaces)),
+        wrapper_descriptor(wrapper_descriptor) {}
+
+  CppHeapCreateParams(const CppHeapCreateParams&) = delete;
+  CppHeapCreateParams& operator=(const CppHeapCreateParams&) = delete;
+
   std::vector<std::unique_ptr<cppgc::CustomSpaceBase>> custom_spaces;
   WrapperDescriptor wrapper_descriptor;
   /**