deps: update V8 to 6.4.388.40

PR-URL: https://github.com/nodejs/node/pull/17489
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/deps/v8/include/v8-inspector.h b/deps/v8/include/v8-inspector.h
index d0bb9b47fe..5478e127f9 100644
--- a/deps/v8/include/v8-inspector.h
+++ b/deps/v8/include/v8-inspector.h
@@ -215,6 +215,20 @@ class V8_EXPORT V8InspectorClient {
   virtual void maxAsyncCallStackDepthChanged(int depth) {}
 };
 
+// These stack trace ids are intended to be passed between debuggers and be
+// resolved later. This allows to track cross-debugger calls and step between
+// them if a single client connects to multiple debuggers.
+struct V8_EXPORT V8StackTraceId {
+  uintptr_t id;
+  std::pair<int64_t, int64_t> debugger_id;
+
+  V8StackTraceId();
+  V8StackTraceId(uintptr_t id, const std::pair<int64_t, int64_t> debugger_id);
+  ~V8StackTraceId() = default;
+
+  bool IsInvalid() const;
+};
+
 class V8_EXPORT V8Inspector {
  public:
   static std::unique_ptr<V8Inspector> create(v8::Isolate*, V8InspectorClient*);
@@ -237,6 +251,11 @@ class V8_EXPORT V8Inspector {
   virtual void asyncTaskFinished(void* task) = 0;
   virtual void allAsyncTasksCanceled() = 0;
 
+  virtual V8StackTraceId storeCurrentStackTrace(
+      const StringView& description) = 0;
+  virtual void externalAsyncTaskStarted(const V8StackTraceId& parent) = 0;
+  virtual void externalAsyncTaskFinished(const V8StackTraceId& parent) = 0;
+
   // Exceptions instrumentation.
   virtual unsigned exceptionThrown(
       v8::Local<v8::Context>, const StringView& message,