agent/src/share/classes/sun/jvm/hotspot/jdi/SADebugServer.java

/*
 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

package sun.jvm.hotspot.jdi;

public final class SADebugServer {
   // do not allow instance creation
   private SADebugServer() {}

   private static void usage() {
      java.io.PrintStream out = System.out;
      out.println("Usage: jsadebugd [options] <pid> [server-id]");
      out.println("\t\t(to connect to a live java process)");
      out.println("   or  jsadebugd [options] <executable> <core> [server-id]");
      out.println("\t\t(to connect to a core file produced by <executable>)");
      out.println("\t\tserver-id is an optional unique id for this debug server, needed ");
      out.println("\t\tif multiple debug servers are run on the same machine");
      out.println("where options include:");
      out.println("   -h | -help\tto print this help message");
      System.exit(1);
  }

   public static void main(String[] args) {
      if ((args.length < 1) || (args.length > 3)) {
         usage();
      }

      // Attempt to handle "-h" or "-help"
      if (args[0].startsWith("-")) {
         usage();
      }

      // By default SA agent classes prefer Windows process debugger
      // to windbg debugger. SA expects special properties to be set
      // to choose other debuggers. We will set those here before
      // attaching to SA agent.

       System.setProperty("sun.jvm.hotspot.debugger.useWindbgDebugger", "true");

      // delegate to the actual SA debug server.
      sun.jvm.hotspot.DebugServer.main(args);
   }
}