--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/cpu/s390/vm_version_ext_s390.cpp	Thu May 17 14:16:49 2018 +0200
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "jvm.h"
+#include "memory/allocation.hpp"
+#include "memory/allocation.inline.hpp"
+#include "vm_version_ext_s390.hpp"
+
+// VM_Version_Ext statics
+int   VM_Version_Ext::_no_of_threads = 0;
+int   VM_Version_Ext::_no_of_cores = 0;
+int   VM_Version_Ext::_no_of_sockets = 0;
+char  VM_Version_Ext::_cpu_name[CPU_TYPE_DESC_BUF_SIZE] = {0};
+char  VM_Version_Ext::_cpu_desc[CPU_DETAILED_DESC_BUF_SIZE] = {0};
+
+// get cpu information.
+bool VM_Version_Ext::initialize_cpu_information(void) {
+  // Not yet implemented.
+  return false;
+}
+
+int VM_Version_Ext::number_of_threads(void) {
+  initialize_cpu_information();
+  return _no_of_threads;
+}
+
+int VM_Version_Ext::number_of_cores(void) {
+  initialize_cpu_information();
+  return _no_of_cores;
+}
+
+int VM_Version_Ext::number_of_sockets(void) {
+  initialize_cpu_information();
+  return _no_of_sockets;
+}
+
+const char* VM_Version_Ext::cpu_name(void) {
+  if (!initialize_cpu_information()) {
+    return NULL;
+  }
+  char* tmp = NEW_C_HEAP_ARRAY_RETURN_NULL(char, CPU_TYPE_DESC_BUF_SIZE, mtTracing);
+  if (NULL == tmp) {
+    return NULL;
+  }
+  strncpy(tmp, _cpu_name, CPU_TYPE_DESC_BUF_SIZE);
+  return tmp;
+}
+
+const char* VM_Version_Ext::cpu_description(void) {
+  if (!initialize_cpu_information()) {
+    return NULL;
+  }
+  char* tmp = NEW_C_HEAP_ARRAY_RETURN_NULL(char, CPU_DETAILED_DESC_BUF_SIZE, mtTracing);
+  if (NULL == tmp) {
+    return NULL;
+  }
+  strncpy(tmp, _cpu_desc, CPU_DETAILED_DESC_BUF_SIZE);
+  return tmp;
+}