Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/CLHSDB.java @ 2177:3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
Summary: move symbols from permgen into C heap and reference count them
Reviewed-by: never, acorn, jmasa, stefank
author | coleenp |
---|---|
date | Thu, 27 Jan 2011 16:11:27 -0800 |
parents | c18cbe5936b8 |
children | f6f3bb0ee072 |
rev | line source |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
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). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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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 |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot; | |
26 | |
27 import sun.jvm.hotspot.*; | |
28 import sun.jvm.hotspot.debugger.*; | |
29 | |
30 import java.io.*; | |
31 import java.util.*; | |
32 | |
33 public class CLHSDB { | |
34 public static void main(String[] args) { | |
35 new CLHSDB(args).run(); | |
36 } | |
37 | |
38 private void run() { | |
39 // At this point, if pidText != null we are supposed to attach to it. | |
40 // Else, if execPath != null, it is the path of a jdk/bin/java | |
41 // and coreFilename is the pathname of a core file we are | |
42 // supposed to attach to. | |
43 | |
44 agent = new HotSpotAgent(); | |
45 | |
46 Runtime.getRuntime().addShutdownHook(new java.lang.Thread() { | |
47 public void run() { | |
48 detachDebugger(); | |
49 } | |
50 }); | |
51 | |
52 if (pidText != null) { | |
53 attachDebugger(pidText); | |
54 } else if (execPath != null) { | |
55 attachDebugger(execPath, coreFilename); | |
56 } | |
57 | |
58 | |
59 CommandProcessor.DebuggerInterface di = new CommandProcessor.DebuggerInterface() { | |
60 public HotSpotAgent getAgent() { | |
61 return agent; | |
62 } | |
63 public boolean isAttached() { | |
64 return attached; | |
65 } | |
66 public void attach(String pid) { | |
67 attachDebugger(pid); | |
68 } | |
69 public void attach(String java, String core) { | |
70 attachDebugger(java, core); | |
71 } | |
72 public void detach() { | |
73 detachDebugger(); | |
74 } | |
75 public void reattach() { | |
76 if (attached) { | |
77 detachDebugger(); | |
78 } | |
79 if (pidText != null) { | |
80 attach(pidText); | |
81 } else { | |
82 attach(execPath, coreFilename); | |
83 } | |
84 } | |
85 }; | |
86 | |
87 | |
88 BufferedReader in = | |
89 new BufferedReader(new InputStreamReader(System.in)); | |
90 CommandProcessor cp = new CommandProcessor(di, in, System.out, System.err); | |
91 cp.run(true); | |
92 | |
93 } | |
94 | |
95 //-------------------------------------------------------------------------------- | |
96 // Internals only below this point | |
97 // | |
98 private HotSpotAgent agent; | |
99 private boolean attached; | |
100 // These had to be made data members because they are referenced in inner classes. | |
101 private String pidText; | |
102 private int pid; | |
103 private String execPath; | |
104 private String coreFilename; | |
105 | |
106 private void doUsage() { | |
107 System.out.println("Usage: java CLHSDB [[pid] | [path-to-java-executable [path-to-corefile]] | help ]"); | |
108 System.out.println(" pid: attach to the process whose id is 'pid'"); | |
109 System.out.println(" path-to-java-executable: Debug a core file produced by this program"); | |
110 System.out.println(" path-to-corefile: Debug this corefile. The default is 'core'"); | |
111 System.out.println(" If no arguments are specified, you can select what to do from the GUI.\n"); | |
112 HotSpotAgent.showUsage(); | |
113 } | |
114 | |
115 private CLHSDB(String[] args) { | |
116 switch (args.length) { | |
117 case (0): | |
118 break; | |
119 | |
120 case (1): | |
121 if (args[0].equals("help") || args[0].equals("-help")) { | |
122 doUsage(); | |
123 System.exit(0); | |
124 } | |
125 // If all numbers, it is a PID to attach to | |
126 // Else, it is a pathname to a .../bin/java for a core file. | |
127 try { | |
128 int unused = Integer.parseInt(args[0]); | |
129 // If we get here, we have a PID and not a core file name | |
130 pidText = args[0]; | |
131 } catch (NumberFormatException e) { | |
132 execPath = args[0]; | |
133 coreFilename = "core"; | |
134 } | |
135 break; | |
136 | |
137 case (2): | |
138 execPath = args[0]; | |
139 coreFilename = args[1]; | |
140 break; | |
141 | |
142 default: | |
143 System.out.println("HSDB Error: Too many options specified"); | |
144 doUsage(); | |
145 System.exit(1); | |
146 } | |
147 } | |
148 | |
149 /** NOTE we are in a different thread here than either the main | |
150 thread or the Swing/AWT event handler thread, so we must be very | |
151 careful when creating or removing widgets */ | |
152 private void attachDebugger(String pidText) { | |
153 try { | |
154 this.pidText = pidText; | |
155 pid = Integer.parseInt(pidText); | |
156 } | |
157 catch (NumberFormatException e) { | |
158 System.err.print("Unable to parse process ID \"" + pidText + "\".\nPlease enter a number."); | |
159 } | |
160 | |
161 try { | |
162 System.err.println("Attaching to process " + pid + ", please wait..."); | |
163 | |
164 // FIXME: display exec'd debugger's output messages during this | |
165 // lengthy call | |
166 agent.attach(pid); | |
167 attached = true; | |
168 } | |
169 catch (DebuggerException e) { | |
170 final String errMsg = formatMessage(e.getMessage(), 80); | |
171 System.err.println("Unable to connect to process ID " + pid + ":\n\n" + errMsg); | |
172 agent.detach(); | |
173 return; | |
174 } | |
175 } | |
176 | |
177 /** NOTE we are in a different thread here than either the main | |
178 thread or the Swing/AWT event handler thread, so we must be very | |
179 careful when creating or removing widgets */ | |
180 private void attachDebugger(final String executablePath, final String corePath) { | |
181 // Try to open this core file | |
182 try { | |
183 System.err.println("Opening core file, please wait..."); | |
184 | |
185 // FIXME: display exec'd debugger's output messages during this | |
186 // lengthy call | |
187 agent.attach(executablePath, corePath); | |
188 attached = true; | |
189 } | |
190 catch (DebuggerException e) { | |
191 final String errMsg = formatMessage(e.getMessage(), 80); | |
192 System.err.println("Unable to open core file\n" + corePath + ":\n\n" + errMsg); | |
193 agent.detach(); | |
194 return; | |
195 } | |
196 } | |
197 | |
198 /** NOTE we are in a different thread here than either the main | |
199 thread or the Swing/AWT event handler thread, so we must be very | |
200 careful when creating or removing widgets */ | |
201 private void connect(final String remoteMachineName) { | |
202 // Try to open this core file | |
203 try { | |
204 System.err.println("Connecting to debug server, please wait..."); | |
205 agent.attach(remoteMachineName); | |
206 attached = true; | |
207 } | |
208 catch (DebuggerException e) { | |
209 final String errMsg = formatMessage(e.getMessage(), 80); | |
210 System.err.println("Unable to connect to machine \"" + remoteMachineName + "\":\n\n" + errMsg); | |
211 agent.detach(); | |
212 return; | |
213 } | |
214 } | |
215 | |
216 private void detachDebugger() { | |
217 if (!attached) { | |
218 return; | |
219 } | |
220 agent.detach(); | |
221 attached = false; | |
222 } | |
223 | |
224 private void detach() { | |
225 detachDebugger(); | |
226 } | |
227 | |
228 /** Punctuates the given string with \n's where necessary to not | |
229 exceed the given number of characters per line. Strips | |
230 extraneous whitespace. */ | |
231 private String formatMessage(String message, int charsPerLine) { | |
232 StringBuffer buf = new StringBuffer(message.length()); | |
233 StringTokenizer tokenizer = new StringTokenizer(message); | |
234 int curLineLength = 0; | |
235 while (tokenizer.hasMoreTokens()) { | |
236 String tok = tokenizer.nextToken(); | |
237 if (curLineLength + tok.length() > charsPerLine) { | |
238 buf.append('\n'); | |
239 curLineLength = 0; | |
240 } else { | |
241 if (curLineLength != 0) { | |
242 buf.append(' '); | |
243 ++curLineLength; | |
244 } | |
245 } | |
246 buf.append(tok); | |
247 curLineLength += tok.length(); | |
248 } | |
249 return buf.toString(); | |
250 } | |
251 } |