1 /*
   2  * Copyright (c) 2016, 2018, 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> <heapsize> <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         String heapsize = args[3];
  41 
  42         // Prepare the classlist
  43         FileOutputStream fos = new FileOutputStream(classlist);
  44         PrintStream ps = new PrintStream(fos);
  45 
  46         for (int i=4; i<args.length; i++) {
  47             ps.println(args[i].replace('.', '/'));
  48         }
  49         ps.close();
  50         fos.close();
  51 
  52         // Dump the archive
  53         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  54             heapsize,
  55             "-XX:+IgnoreUnrecognizedVMOptions",
  56             "-XX:+UnlockCommercialFeatures",
  57             "-XX:+UseAppCDS",
  58             "-XX:+UnlockDiagnosticVMOptions",
  59             "-cp", classpath,
  60             "-XX:ExtraSharedClassListFile=" + classlist,
  61             "-XX:SharedArchiveFile=" + archive,
  62             "-Xshare:dump",
  63             "-Xlog:gc+heap+coops",
  64             "-Xlog:cds");
  65 
  66         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  67         System.out.println("[stdout = " + output.getStdout() + "]");
  68         System.out.println("[stderr = " + output.getStderr() + "]");
  69         output.shouldContain("Loading classes to share");
  70         output.shouldHaveExitValue(0);
  71     }
  72 }
--- EOF ---