Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/DebugServer.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 |
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date | Tue, 28 Jun 2011 14:23:27 +0200 |
parents | c18cbe5936b8 |
children | f6f3bb0ee072 |
rev | line source |
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0 | 1 /* |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved. |
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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). | |
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c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot; | |
26 | |
27 import sun.jvm.hotspot.debugger.*; | |
28 import sun.jvm.hotspot.debugger.dbx.*; | |
29 import sun.jvm.hotspot.runtime.*; | |
30 import sun.jvm.hotspot.oops.*; | |
31 | |
32 public class DebugServer { | |
33 private void usage() { | |
34 System.out.println("usage: java " + getClass().getName() + " <pid> [server id]"); | |
35 System.out.println(" or: java " + getClass().getName() + " <executable> <core> [server id]"); | |
36 System.out.println("\"pid\" must be the process ID of a HotSpot process."); | |
37 System.out.println("If reading a core file, \"executable\" must (currently) be the"); | |
38 System.out.println("full path name to the precise java executable which generated"); | |
39 System.out.println("the core file (not, on Solaris, the \"java\" wrapper script in"); | |
40 System.out.println("the \"bin\" subdirectory of the JDK.)"); | |
41 System.out.println("The \"server id\" is a unique name for a specific remote debuggee."); | |
42 System.exit(1); | |
43 } | |
44 | |
45 public static void main(String[] args) { | |
46 new DebugServer().run(args); | |
47 } | |
48 | |
49 private void run(String[] args) { | |
50 if ((args.length < 1) || (args.length > 3)) { | |
51 usage(); | |
52 } | |
53 | |
54 // Attempt to handle "-h" or "-help" | |
55 if (args[0].startsWith("-")) { | |
56 usage(); | |
57 } | |
58 | |
59 int pid = 0; | |
60 boolean usePid = false; | |
61 String coreFileName = null; | |
62 // FIXME: would be nice to pick this up from the core file | |
63 // somehow, but that doesn't look possible. Should at least figure | |
64 // it out from a path to the JDK. | |
65 String javaExecutableName = null; | |
66 String serverID = null; | |
67 | |
68 switch (args.length) { | |
69 case 1: | |
70 try { | |
71 pid = Integer.parseInt(args[0]); | |
72 usePid = true; | |
73 } catch (NumberFormatException e) { | |
74 usage(); | |
75 } | |
76 break; | |
77 | |
78 case 2: | |
79 // either we have pid and server id or exec file and core file | |
80 try { | |
81 pid = Integer.parseInt(args[0]); | |
82 usePid = true; | |
83 serverID = args[1]; | |
84 } catch (NumberFormatException e) { | |
85 pid = -1; | |
86 usePid = false; | |
87 javaExecutableName = args[0]; | |
88 coreFileName = args[1]; | |
89 } | |
90 break; | |
91 | |
92 case 3: | |
93 javaExecutableName = args[0]; | |
94 coreFileName = args[1]; | |
95 serverID = args[2]; | |
96 break; | |
97 | |
98 default: | |
99 // should not happend, taken care already. | |
100 break; | |
101 } | |
102 | |
103 final HotSpotAgent agent = new HotSpotAgent(); | |
104 try { | |
105 if (usePid) { | |
106 System.err.println("Attaching to process ID " + pid + " and starting RMI services, please wait..."); | |
107 agent.startServer(pid, serverID); | |
108 } else { | |
109 System.err.println("Attaching to core " + coreFileName + | |
110 " from executable " + javaExecutableName + " and starting RMI services, please wait..."); | |
111 agent.startServer(javaExecutableName, coreFileName, serverID); | |
112 } | |
113 } | |
114 catch (DebuggerException e) { | |
115 if (usePid) { | |
116 System.err.print("Error attaching to process or starting server: "); | |
117 } else { | |
118 System.err.print("Error attaching to core file or starting server: "); | |
119 } | |
120 e.printStackTrace(); | |
121 System.exit(1); | |
122 } | |
123 | |
124 // shutdown hook to clean-up the server in case of forced exit. | |
125 Runtime.getRuntime().addShutdownHook(new java.lang.Thread( | |
126 new Runnable() { | |
127 public void run() { | |
128 agent.shutdownServer(); | |
129 } | |
130 })); | |
131 System.err.println("Debugger attached and RMI services started."); | |
132 } | |
133 } |