--- /dev/null
+++ xnu/xnu-10063.121.3/libkern/c++/OSValueObject.cpp
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2021 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+/* OSValueObject.cpp created by spoirier on Wed 28-Jul-2021 */
+
+#include <kern/kalloc.h>
+#include <libkern/c++/OSValueObject.h>
+
+#define IOKIT_ENABLE_SHARED_PTR
+
+namespace os_detail {
+kalloc_type_view_t
+GetOSValueObjectKTV()
+{
+	// the choice of template type parameter int here is arbitrary;
+	// it just needs to be something to instantiate a concrete type
+	static KALLOC_TYPE_DEFINE(OSValueObject_ktv, OSValueObject<int>, KT_DEFAULT);
+	return OSValueObject_ktv;
+}
+}