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 }