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1 /*
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2 * Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.jdi;
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26
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27 public final class SADebugServer {
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28 // do not allow instance creation
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29 private SADebugServer() {}
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30
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31 private static void usage() {
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32 java.io.PrintStream out = System.out;
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33 out.println("Usage: jsadebugd [options] <pid> [server-id]");
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34 out.println("\t\t(to connect to a live java process)");
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35 out.println(" or jsadebugd [options] <executable> <core> [server-id]");
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36 out.println("\t\t(to connect to a core file produced by <executable>)");
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37 out.println("\t\tserver-id is an optional unique id for this debug server, needed ");
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38 out.println("\t\tif multiple debug servers are run on the same machine");
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39 out.println("where options include:");
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40 out.println(" -h | -help\tto print this help message");
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41 System.exit(1);
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42 }
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43
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44 public static void main(String[] args) {
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45 if ((args.length < 1) || (args.length > 3)) {
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46 usage();
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47 }
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48
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49 // Attempt to handle "-h" or "-help"
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50 if (args[0].startsWith("-")) {
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51 usage();
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52 }
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53
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54 // By default, SA agent classes prefer dbx debugger to proc debugger
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55 // and Windows process debugger to windbg debugger. SA expects
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56 // special properties to be set to choose other debuggers. For SA/JDI,
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57 // we choose proc, windbg debuggers instead of the defaults.
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58
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59 System.setProperty("sun.jvm.hotspot.debugger.useProcDebugger", "true");
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60 System.setProperty("sun.jvm.hotspot.debugger.useWindbgDebugger", "true");
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61
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62 // delegate to the actual SA debug server.
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63 sun.jvm.hotspot.DebugServer.main(args);
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64 }
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65 }
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