--- a/jdk/src/java.base/share/classes/sun/misc/VMSupport.java	Wed Jul 05 21:31:37 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,110 +0,0 @@
-/*
- * Copyright (c) 2005, 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.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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.
- */
-package sun.misc;
-
-import java.io.ByteArrayOutputStream;
-import java.io.IOException;
-import java.util.Properties;
-import java.util.Set;
-import java.util.jar.JarFile;
-import java.util.jar.Manifest;
-import java.util.jar.Attributes;
-
-/*
- * Support class used by JVMTI and VM attach mechanism.
- */
-public class VMSupport {
-
-    private static Properties agentProps = null;
-    /**
-     * Returns the agent properties.
-     */
-    public static synchronized Properties getAgentProperties() {
-        if (agentProps == null) {
-            agentProps = new Properties();
-            initAgentProperties(agentProps);
-        }
-        return agentProps;
-    }
-    private static native Properties initAgentProperties(Properties props);
-
-    /**
-     * Write the given properties list to a byte array and return it. Properties with
-     * a key or value that is not a String is filtered out. The stream written to the byte
-     * array is ISO 8859-1 encoded.
-     */
-    private static byte[] serializePropertiesToByteArray(Properties p) throws IOException {
-        ByteArrayOutputStream out = new ByteArrayOutputStream(4096);
-
-        Properties props = new Properties();
-
-        // stringPropertyNames() returns a snapshot of the property keys
-        Set<String> keyset = p.stringPropertyNames();
-        for (String key : keyset) {
-            String value = p.getProperty(key);
-            props.put(key, value);
-        }
-
-        props.store(out, null);
-        return out.toByteArray();
-    }
-
-    public static byte[] serializePropertiesToByteArray() throws IOException {
-        return serializePropertiesToByteArray(System.getProperties());
-    }
-
-    public static byte[] serializeAgentPropertiesToByteArray() throws IOException {
-        return serializePropertiesToByteArray(getAgentProperties());
-    }
-
-    /*
-     * Returns true if the given JAR file has the Class-Path attribute in the
-     * main section of the JAR manifest. Throws RuntimeException if the given
-     * path is not a JAR file or some other error occurs.
-     */
-    public static boolean isClassPathAttributePresent(String path) {
-        try {
-            Manifest man = (new JarFile(path)).getManifest();
-            if (man != null) {
-                if (man.getMainAttributes().getValue(Attributes.Name.CLASS_PATH) != null) {
-                    return true;
-                }
-            }
-            return false;
-        } catch (IOException ioe) {
-            throw new RuntimeException(ioe.getMessage());
-        }
-    }
-
-    /*
-     * Return the temporary directory that the VM uses for the attach
-     * and perf data files.
-     *
-     * It is important that this directory is well-known and the
-     * same for all VM instances. It cannot be affected by configuration
-     * variables such as java.io.tmpdir.
-     */
-    public static native String getVMTemporaryDirectory();
-}