Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/jdi/SADebugServer.java @ 3779:04760e41b01e
7016112: CMS: crash during promotion testing
Summary: Also reviewed by mikael.gerdin@oracle.com; stdlib:qsort() does byte-by-byte swapping on Windows. This leads to pointer shearing. Fix is to implement a quicksort that does full pointer updates.
Reviewed-by: never, coleenp, ysr
author | brutisso |
---|---|
date | Tue, 28 Jun 2011 14:23:27 +0200 |
parents | c18cbe5936b8 |
children | f6f3bb0ee072 |
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/* * Copyright (c) 2003, 2004, 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 dbx debugger to proc debugger // and Windows process debugger to windbg debugger. SA expects // special properties to be set to choose other debuggers. For SA/JDI, // we choose proc, windbg debuggers instead of the defaults. System.setProperty("sun.jvm.hotspot.debugger.useProcDebugger", "true"); System.setProperty("sun.jvm.hotspot.debugger.useWindbgDebugger", "true"); // delegate to the actual SA debug server. sun.jvm.hotspot.DebugServer.main(args); } }