1 /*
   2  * Copyright (c) 2000, 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 
  25 package sun.jvm.hotspot.debugger.win32;
  26 
  27 import java.util.*;
  28 import sun.jvm.hotspot.debugger.*;
  29 
  30 /** Tests to see whether we can find the "Hello, World" string in a
  31     target process */
  32 
  33 public class TestHelloWorld {
  34   private static void usage() {
  35     System.out.println("usage: java TestHelloWorld [pid]");
  36     System.out.println("pid must be the process ID of the HelloWorldDLL programs");
  37     System.exit(1);
  38   }
  39 
  40   public static void main(String[] args) {
  41     try {
  42       if (args.length != 1) {
  43         usage();
  44       }
  45 
  46       int pid = 0;
  47       try {
  48         pid = Integer.parseInt(args[0]);
  49       }
  50       catch (NumberFormatException e) {
  51         usage();
  52       }
  53 
  54       JVMDebugger debugger = new Win32DebuggerLocal(new MachineDescriptionIntelX86(), true);
  55       System.err.println("Trying to attach...");
  56       debugger.attach(pid);
  57       System.err.println("Attach succeeded.");
  58       Address addr = debugger.lookup("helloworld.dll", "helloWorldString");
  59       System.err.println("helloWorldString address = " + addr);
  60       System.err.println("Trying to detach...");
  61       if (!debugger.detach()) {
  62         System.err.println("ERROR: detach failed.");
  63         System.exit(0);
  64       }
  65       System.err.println("Detach succeeded.");
  66     } catch (Exception e) {
  67       e.printStackTrace();
  68     }
  69   }
  70 }