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comparison agent/src/share/classes/sun/jvm/hotspot/jdi/SADebugServer.java @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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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 dbx debugger to proc debugger
55 // and Windows process debugger to windbg debugger. SA expects
56 // special properties to be set to choose other debuggers. For SA/JDI,
57 // we choose proc, windbg debuggers instead of the defaults.
58
59 System.setProperty("sun.jvm.hotspot.debugger.useProcDebugger", "true");
60 System.setProperty("sun.jvm.hotspot.debugger.useWindbgDebugger", "true");
61
62 // delegate to the actual SA debug server.
63 sun.jvm.hotspot.DebugServer.main(args);
64 }
65 }