Mercurial > hg > graal-jvmci-8
diff agent/src/share/classes/sun/jvm/hotspot/DebugServer.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/DebugServer.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,133 @@ +/* + * Copyright 2000-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +package sun.jvm.hotspot; + +import sun.jvm.hotspot.debugger.*; +import sun.jvm.hotspot.debugger.dbx.*; +import sun.jvm.hotspot.runtime.*; +import sun.jvm.hotspot.oops.*; + +public class DebugServer { + private void usage() { + System.out.println("usage: java " + getClass().getName() + " <pid> [server id]"); + System.out.println(" or: java " + getClass().getName() + " <executable> <core> [server id]"); + System.out.println("\"pid\" must be the process ID of a HotSpot process."); + System.out.println("If reading a core file, \"executable\" must (currently) be the"); + System.out.println("full path name to the precise java executable which generated"); + System.out.println("the core file (not, on Solaris, the \"java\" wrapper script in"); + System.out.println("the \"bin\" subdirectory of the JDK.)"); + System.out.println("The \"server id\" is a unique name for a specific remote debuggee."); + System.exit(1); + } + + public static void main(String[] args) { + new DebugServer().run(args); + } + + private void run(String[] args) { + if ((args.length < 1) || (args.length > 3)) { + usage(); + } + + // Attempt to handle "-h" or "-help" + if (args[0].startsWith("-")) { + usage(); + } + + int pid = 0; + boolean usePid = false; + String coreFileName = null; + // FIXME: would be nice to pick this up from the core file + // somehow, but that doesn't look possible. Should at least figure + // it out from a path to the JDK. + String javaExecutableName = null; + String serverID = null; + + switch (args.length) { + case 1: + try { + pid = Integer.parseInt(args[0]); + usePid = true; + } catch (NumberFormatException e) { + usage(); + } + break; + + case 2: + // either we have pid and server id or exec file and core file + try { + pid = Integer.parseInt(args[0]); + usePid = true; + serverID = args[1]; + } catch (NumberFormatException e) { + pid = -1; + usePid = false; + javaExecutableName = args[0]; + coreFileName = args[1]; + } + break; + + case 3: + javaExecutableName = args[0]; + coreFileName = args[1]; + serverID = args[2]; + break; + + default: + // should not happend, taken care already. + break; + } + + final HotSpotAgent agent = new HotSpotAgent(); + try { + if (usePid) { + System.err.println("Attaching to process ID " + pid + " and starting RMI services, please wait..."); + agent.startServer(pid, serverID); + } else { + System.err.println("Attaching to core " + coreFileName + + " from executable " + javaExecutableName + " and starting RMI services, please wait..."); + agent.startServer(javaExecutableName, coreFileName, serverID); + } + } + catch (DebuggerException e) { + if (usePid) { + System.err.print("Error attaching to process or starting server: "); + } else { + System.err.print("Error attaching to core file or starting server: "); + } + e.printStackTrace(); + System.exit(1); + } + + // shutdown hook to clean-up the server in case of forced exit. + Runtime.getRuntime().addShutdownHook(new java.lang.Thread( + new Runnable() { + public void run() { + agent.shutdownServer(); + } + })); + System.err.println("Debugger attached and RMI services started."); + } +}