--- /dev/null
+++ dyld/dyld-1162/mach_o/Version64.cpp
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2022 Apple Inc. All rights reserved.
+ *
+ * @APPLE_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. 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_LICENSE_HEADER_END@
+ */
+
+#include <stdint.h>
+#include <string.h>
+#include <assert.h>
+
+#include "Version64.h"
+
+namespace mach_o {
+
+
+Error Version64::fromString(CString versString, Version64& vers)
+{
+    // Initialize default value
+    vers = Version64();
+    
+    uint64_t a = 0;
+    uint64_t b = 0;
+    uint64_t c = 0;
+    uint64_t d = 0;
+    uint64_t e = 0;
+    char* end;
+    a = strtoul(versString.c_str(), &end, 10);
+    if ( *end == '.' ) {
+        b = strtoul(&end[1], &end, 10);
+        if ( *end == '.' ) {
+            c = strtoul(&end[1], &end, 10);
+            if ( *end == '.' ) {
+                d = strtoul(&end[1], &end, 10);
+                if ( *end == '.' ) {
+                    e = strtoul(&end[1], &end, 10);
+                }
+            }
+        }
+    }
+    if ( (*end != '\0') || (a > 0xFFFFFF) || (b > 0x3FF) || (c > 0x3FF) || (d > 0x3FF)  || (e > 0x3FF) )
+        return Error("malformed 64-bit a.b.c.d.e version number: %s", versString.c_str());
+    
+    vers = Version64(a, b, c, d, e);
+    return Error::none();
+}
+
+
+const char* Version64::toString(char buffer[64]) const
+{
+    assert("unimplemented");
+    return NULL;
+}
+
+} // namespace mach_o