1 /*

     2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 package compiler.aot.fingerprint;

    25 

    26 import java.io.File;

    27 import java.io.FileOutputStream;

    28 import java.io.PrintStream;

    29 

    30 import jdk.test.lib.process.OutputAnalyzer;

    31 import jdk.test.lib.process.ProcessTools;

    32 

    33 // Usage:

    34 // java CDSDumper <classpath> <classlist> <archive> <class1> <class2> ...

    35 public class CDSDumper {

    36     public static void main(String[] args) throws Exception {

    37         String classpath = args[0];

    38         String classlist = args[1];

    39         String archive = args[2];

    40 

    41         // Prepare the classlist

    42         FileOutputStream fos = new FileOutputStream(classlist);

    43         PrintStream ps = new PrintStream(fos);

    44 

    45         for (int i=3; i<args.length; i++) {

    46             ps.println(args[i].replace('.', '/'));

    47         }

    48         ps.close();

    49         fos.close();

    50 

    51         // Dump the archive

    52         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    53             "-XX:+UnlockCommercialFeatures",

    54             "-XX:+UseAppCDS",

    55             "-XX:+UnlockDiagnosticVMOptions",

    56             "-cp", classpath,

    57             "-XX:ExtraSharedClassListFile=" + classlist,

    58             "-XX:SharedArchiveFile=" + archive,

    59             "-Xshare:dump",

    60             "-XX:+PrintSharedSpaces");

    61 

    62         OutputAnalyzer output = new OutputAnalyzer(pb.start());

    63         output.shouldContain("Loading classes to share");

    64         output.shouldHaveExitValue(0);

    65     }

    66 }