[Kernel] Check XAM is attached using bounding path

src/xenia/kernel/user_module.cc

@@ -35,6 +35,22 @@ uint32_t UserModule::title_id() const {
   return 0;
 }
 
+std::string UserModule::bounding_filename() const {
+  std::string bounding_filename = "";
+
+  if (module_format_ != kModuleFormatXex) {
+    return bounding_filename;
+  }
+
+  xex2_opt_bound_path* bounding_path = nullptr;
+  if (xex_module()->GetOptHeader(XEX_HEADER_BOUNDING_PATH, &bounding_path)) {
+    bounding_filename =
+        utf8::find_base_name_from_guest_path(std::string(bounding_path->path));
+  }
+
+  return bounding_filename;
+}
+
 uint32_t UserModule::disc_number() const {
   if (module_format_ != kModuleFormatXex) {
     return 1;