1 /* 2 * Copyright 2003-2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 20 * CA 95054 USA or visit www.sun.com if you need additional information or 21 * have any questions. 22 * 23 */ 24 25 package sun.jvm.hotspot.jdi; 26 27 public final class SADebugServer { 28 // do not allow instance creation 29 private SADebugServer() {} 30 31 private static void usage() { 32 java.io.PrintStream out = System.out; 33 out.println("Usage: jsadebugd [options] <pid> [server-id]"); 34 out.println("\t\t(to connect to a live java process)"); 35 out.println(" or jsadebugd [options] <executable> <core> [server-id]"); 36 out.println("\t\t(to connect to a core file produced by <executable>)"); 37 out.println("\t\tserver-id is an optional unique id for this debug server, needed "); 38 out.println("\t\tif multiple debug servers are run on the same machine"); 39 out.println("where options include:"); 40 out.println(" -h | -help\tto print this help message"); 41 System.exit(1); 42 } 43 44 public static void main(String[] args) { 45 if ((args.length < 1) || (args.length > 3)) { 46 usage(); 47 } 48 49 // Attempt to handle "-h" or "-help" 50 if (args[0].startsWith("-")) { 51 usage(); 52 } 53 54 // By default SA agent classes prefer Windows process debugger 55 // to windbg debugger. SA expects special properties to be set 56 // to choose other debuggers. We will set those here before 57 // attaching to SA agent. 58 59 System.setProperty("sun.jvm.hotspot.debugger.useWindbgDebugger", "true"); 60 61 // delegate to the actual SA debug server. 62 sun.jvm.hotspot.DebugServer.main(args); 63 } 64 }