feat: expose WebAssembly trap handler binding

src/V8.rs

@@ -27,6 +27,7 @@ unsafe extern "C" {
   fn v8__V8__Dispose() -> bool;
   fn v8__V8__DisposePlatform();
   fn v8__V8__SetFatalErrorHandler(that: V8FatalErrorCallback);
+  fn v8__V8__EnableWebAssemblyTrapHandler(use_v8_signal_handler: bool) -> bool;
 }
 
 pub type V8FatalErrorCallback = unsafe extern "C" fn(
@@ -281,6 +282,14 @@ pub fn set_fatal_error_handler(that: impl MapFnTo<V8FatalErrorCallback>) {
   }
 }
 
+/// Activate trap-based bounds checking for WebAssembly.
+///
+/// If `use_v8_signal_handler` is true, V8 installs its own signal handler.
+/// Otherwise, V8 relies on the embedder to invoke its trap handler.
+pub fn enable_web_assembly_trap_handler(use_v8_signal_handler: bool) -> bool {
+  unsafe { v8__V8__EnableWebAssemblyTrapHandler(use_v8_signal_handler) }
+}
+
 #[cfg(test)]
 mod test_sandbox_use {
   // __IsSandboxEnabled is used for testing that sandbox is actually

src/binding.cc

@@ -159,6 +159,10 @@ void v8__V8__SetFatalErrorHandler(v8::V8FatalErrorCallback that) {
   v8::V8::SetFatalErrorHandler(that);
 }
 
+bool v8__V8__EnableWebAssemblyTrapHandler(bool use_v8_signal_handler) {
+  return v8::V8::EnableWebAssemblyTrapHandler(use_v8_signal_handler);
+}
+
 v8::Isolate* v8__Isolate__New(const v8::Isolate::CreateParams& params) {
   return v8::Isolate::New(params);
 }