Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/CommandProcessor.java @ 8031:927a311d00f9
8007320: NPG: move method annotations
Summary: allocate method annotations and attach to ConstMethod if present
Reviewed-by: dcubed, jiangli, sspitsyn, iklam
author | coleenp |
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date | Mon, 11 Feb 2013 14:06:22 -0500 |
parents | bd7a7ce2e264 |
children | 39432a1cefdd |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2005, 2012, 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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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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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 java.io.*; | |
28 import java.math.*; | |
29 import java.util.*; | |
30 import java.util.regex.*; | |
31 | |
32 import sun.jvm.hotspot.types.Type; | |
33 import sun.jvm.hotspot.types.Field; | |
34 import sun.jvm.hotspot.HotSpotTypeDataBase; | |
35 import sun.jvm.hotspot.types.basic.BasicType; | |
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36 import sun.jvm.hotspot.types.basic.BasicTypeDataBase; |
0 | 37 import sun.jvm.hotspot.types.CIntegerType; |
38 import sun.jvm.hotspot.code.*; | |
39 import sun.jvm.hotspot.compiler.*; | |
40 import sun.jvm.hotspot.debugger.*; | |
41 import sun.jvm.hotspot.interpreter.*; | |
42 import sun.jvm.hotspot.memory.*; | |
43 import sun.jvm.hotspot.oops.*; | |
3939 | 44 import sun.jvm.hotspot.opto.*; |
45 import sun.jvm.hotspot.ci.*; | |
6782 | 46 import sun.jvm.hotspot.asm.*; |
0 | 47 import sun.jvm.hotspot.runtime.*; |
48 import sun.jvm.hotspot.utilities.*; | |
49 import sun.jvm.hotspot.utilities.soql.*; | |
50 import sun.jvm.hotspot.ui.classbrowser.*; | |
51 import sun.jvm.hotspot.ui.tree.*; | |
52 import sun.jvm.hotspot.tools.*; | |
53 import sun.jvm.hotspot.tools.ObjectHistogram; | |
54 import sun.jvm.hotspot.tools.StackTrace; | |
3939 | 55 import sun.jvm.hotspot.tools.jcore.ClassDump; |
56 import sun.jvm.hotspot.tools.jcore.ClassFilter; | |
0 | 57 |
58 public class CommandProcessor { | |
59 public abstract static class DebuggerInterface { | |
60 public abstract HotSpotAgent getAgent(); | |
61 public abstract boolean isAttached(); | |
62 public abstract void attach(String pid); | |
63 public abstract void attach(String java, String core); | |
64 public abstract void detach(); | |
65 public abstract void reattach(); | |
66 } | |
67 | |
3939 | 68 public static class BootFilter implements ClassFilter { |
69 public boolean canInclude(InstanceKlass kls) { | |
70 return kls.getClassLoader() == null; | |
71 } | |
72 } | |
73 | |
74 public static class NonBootFilter implements ClassFilter { | |
75 private HashMap emitted = new HashMap(); | |
76 public boolean canInclude(InstanceKlass kls) { | |
77 if (kls.getClassLoader() == null) return false; | |
78 if (emitted.get(kls.getName()) != null) { | |
79 // Since multiple class loaders are being shoved | |
80 // together duplicate classes are a possibilty. For | |
81 // now just ignore them. | |
82 return false; | |
83 } | |
84 emitted.put(kls.getName(), kls); | |
85 return true; | |
86 } | |
87 } | |
88 | |
0 | 89 static class Tokens { |
90 final String input; | |
91 int i; | |
92 String[] tokens; | |
93 int length; | |
94 | |
95 String[] splitWhitespace(String cmd) { | |
96 String[] t = cmd.split("\\s"); | |
97 if (t.length == 1 && t[0].length() == 0) { | |
98 return new String[0]; | |
99 } | |
100 return t; | |
101 } | |
102 | |
103 void add(String s, ArrayList t) { | |
104 if (s.length() > 0) { | |
105 t.add(s); | |
106 } | |
107 } | |
108 | |
109 Tokens(String cmd) { | |
110 input = cmd; | |
111 | |
112 // check for quoting | |
113 int quote = cmd.indexOf('"'); | |
114 ArrayList t = new ArrayList(); | |
115 if (quote != -1) { | |
116 while (cmd.length() > 0) { | |
117 if (quote != -1) { | |
118 int endquote = cmd.indexOf('"', quote + 1); | |
119 if (endquote == -1) { | |
120 throw new RuntimeException("mismatched quotes: " + input); | |
121 } | |
122 | |
123 String before = cmd.substring(0, quote).trim(); | |
124 String quoted = cmd.substring(quote + 1, endquote); | |
125 cmd = cmd.substring(endquote + 1).trim(); | |
126 if (before.length() > 0) { | |
127 String[] w = splitWhitespace(before); | |
128 for (int i = 0; i < w.length; i++) { | |
129 add(w[i], t); | |
130 } | |
131 } | |
132 add(quoted, t); | |
133 quote = cmd.indexOf('"'); | |
134 } else { | |
135 String[] w = splitWhitespace(cmd); | |
136 for (int i = 0; i < w.length; i++) { | |
137 add(w[i], t); | |
138 } | |
139 cmd = ""; | |
140 | |
141 } | |
142 } | |
143 } else { | |
144 String[] w = splitWhitespace(cmd); | |
145 for (int i = 0; i < w.length; i++) { | |
146 add(w[i], t); | |
147 } | |
148 } | |
149 tokens = (String[])t.toArray(new String[0]); | |
150 i = 0; | |
151 length = tokens.length; | |
152 | |
153 //for (int i = 0; i < tokens.length; i++) { | |
154 // System.out.println("\"" + tokens[i] + "\""); | |
155 //} | |
156 } | |
157 | |
158 String nextToken() { | |
159 return tokens[i++]; | |
160 } | |
161 boolean hasMoreTokens() { | |
162 return i < length; | |
163 } | |
164 int countTokens() { | |
165 return length - i; | |
166 } | |
167 void trim(int n) { | |
168 if (length >= n) { | |
169 length -= n; | |
170 } else { | |
171 throw new IndexOutOfBoundsException(String.valueOf(n)); | |
172 } | |
173 } | |
174 String join(String sep) { | |
175 StringBuffer result = new StringBuffer(); | |
176 for (int w = i; w < length; w++) { | |
177 result.append(tokens[w]); | |
178 if (w + 1 < length) { | |
179 result.append(sep); | |
180 } | |
181 } | |
182 return result.toString(); | |
183 } | |
184 | |
185 String at(int i) { | |
186 if (i < 0 || i >= length) { | |
187 throw new IndexOutOfBoundsException(String.valueOf(i)); | |
188 } | |
189 return tokens[i]; | |
190 } | |
191 } | |
192 | |
193 | |
194 abstract class Command { | |
195 Command(String n, String u, boolean ok) { | |
196 name = n; | |
197 usage = u; | |
198 okIfDisconnected = ok; | |
199 } | |
200 | |
201 Command(String n, boolean ok) { | |
202 name = n; | |
203 usage = n; | |
204 okIfDisconnected = ok; | |
205 } | |
206 | |
207 final String name; | |
208 final String usage; | |
209 final boolean okIfDisconnected; | |
210 abstract void doit(Tokens t); | |
211 void usage() { | |
212 out.println("Usage: " + usage); | |
213 } | |
214 | |
215 void printOopValue(Oop oop) { | |
216 if (oop != null) { | |
217 Klass k = oop.getKlass(); | |
218 Symbol s = k.getName(); | |
219 if (s != null) { | |
220 out.print("Oop for " + s.asString() + " @ "); | |
221 } else { | |
222 out.print("Oop @ "); | |
223 } | |
224 Oop.printOopAddressOn(oop, out); | |
225 } else { | |
226 out.print("null"); | |
227 } | |
228 } | |
229 | |
230 void printNode(SimpleTreeNode node) { | |
231 int count = node.getChildCount(); | |
232 for (int i = 0; i < count; i++) { | |
233 try { | |
234 SimpleTreeNode field = node.getChild(i); | |
235 if (field instanceof OopTreeNodeAdapter) { | |
236 out.print(field); | |
237 out.print(" "); | |
238 printOopValue(((OopTreeNodeAdapter)field).getOop()); | |
239 out.println(); | |
240 } else { | |
241 out.println(field); | |
242 } | |
243 } catch (Exception e) { | |
244 out.println(); | |
245 out.println("Error: " + e); | |
246 if (verboseExceptions) { | |
247 e.printStackTrace(out); | |
248 } | |
249 } | |
250 } | |
251 } | |
252 } | |
253 | |
254 void quote(String s) { | |
255 if (s.indexOf(" ") == -1) { | |
256 out.print(s); | |
257 } else { | |
258 out.print("\""); | |
259 out.print(s); | |
260 out.print("\""); | |
261 } | |
262 } | |
263 | |
264 void dumpType(Type type) { | |
265 out.print("type "); | |
266 quote(type.getName()); | |
267 out.print(" "); | |
268 if (type.getSuperclass() != null) { | |
269 quote(type.getSuperclass().getName()); | |
270 out.print(" "); | |
271 } else { | |
272 out.print("null "); | |
273 } | |
274 out.print(type.isOopType()); | |
275 out.print(" "); | |
276 if (type.isCIntegerType()) { | |
277 out.print("true "); | |
278 out.print(((CIntegerType)type).isUnsigned()); | |
279 out.print(" "); | |
280 } else { | |
281 out.print("false false "); | |
282 } | |
283 out.print(type.getSize()); | |
284 out.println(); | |
285 } | |
286 | |
287 void dumpFields(Type type) { | |
3939 | 288 dumpFields(type, true); |
289 } | |
290 | |
291 void dumpFields(Type type, boolean allowStatic) { | |
0 | 292 Iterator i = type.getFields(); |
293 while (i.hasNext()) { | |
294 Field f = (Field) i.next(); | |
3939 | 295 if (!allowStatic && f.isStatic()) continue; |
0 | 296 out.print("field "); |
297 quote(type.getName()); | |
298 out.print(" "); | |
299 out.print(f.getName()); | |
300 out.print(" "); | |
301 quote(f.getType().getName()); | |
302 out.print(" "); | |
303 out.print(f.isStatic()); | |
304 out.print(" "); | |
305 if (f.isStatic()) { | |
306 out.print("0 "); | |
307 out.print(f.getStaticFieldAddress()); | |
308 } else { | |
309 out.print(f.getOffset()); | |
310 out.print(" 0x0"); | |
311 } | |
312 out.println(); | |
313 } | |
314 } | |
315 | |
316 | |
317 Address lookup(String symbol) { | |
318 if (symbol.indexOf("::") != -1) { | |
319 String[] parts = symbol.split("::"); | |
320 StringBuffer mangled = new StringBuffer("__1c"); | |
321 for (int i = 0; i < parts.length; i++) { | |
322 int len = parts[i].length(); | |
323 if (len >= 26) { | |
324 mangled.append((char)('a' + (len / 26))); | |
325 len = len % 26; | |
326 } | |
327 mangled.append((char)('A' + len)); | |
328 mangled.append(parts[i]); | |
329 } | |
330 mangled.append("_"); | |
331 symbol = mangled.toString(); | |
332 } | |
333 return VM.getVM().getDebugger().lookup(null, symbol); | |
334 } | |
335 | |
336 Address parseAddress(String addr) { | |
337 return VM.getVM().getDebugger().parseAddress(addr); | |
338 } | |
339 | |
340 private final Command[] commandList = { | |
341 new Command("reattach", true) { | |
342 public void doit(Tokens t) { | |
343 int tokens = t.countTokens(); | |
344 if (tokens != 0) { | |
345 usage(); | |
346 return; | |
347 } | |
348 preAttach(); | |
349 debugger.reattach(); | |
350 postAttach(); | |
351 } | |
352 }, | |
353 new Command("attach", "attach pid | exec core", true) { | |
354 public void doit(Tokens t) { | |
355 int tokens = t.countTokens(); | |
356 if (tokens == 1) { | |
357 preAttach(); | |
358 debugger.attach(t.nextToken()); | |
359 postAttach(); | |
360 } else if (tokens == 2) { | |
361 preAttach(); | |
362 debugger.attach(t.nextToken(), t.nextToken()); | |
363 postAttach(); | |
364 } else { | |
365 usage(); | |
366 } | |
367 } | |
368 }, | |
369 new Command("detach", false) { | |
370 public void doit(Tokens t) { | |
371 if (t.countTokens() != 0) { | |
372 usage(); | |
373 } else { | |
374 debugger.detach(); | |
375 } | |
376 } | |
377 }, | |
378 new Command("examine", "examine [ address/count ] | [ address,address]", false) { | |
379 Pattern args1 = Pattern.compile("^(0x[0-9a-f]+)(/([0-9]*)([a-z]*))?$"); | |
380 Pattern args2 = Pattern.compile("^(0x[0-9a-f]+),(0x[0-9a-f]+)(/[a-z]*)?$"); | |
381 | |
382 String fill(Address a, int width) { | |
383 String s = "0x0"; | |
384 if (a != null) { | |
385 s = a.toString(); | |
386 } | |
387 if (s.length() != width) { | |
388 return s.substring(0, 2) + "000000000000000000000".substring(0, width - s.length()) + s.substring(2); | |
389 } | |
390 return s; | |
391 } | |
392 | |
393 public void doit(Tokens t) { | |
394 if (t.countTokens() != 1) { | |
395 usage(); | |
396 } else { | |
397 String arg = t.nextToken(); | |
398 Matcher m1 = args1.matcher(arg); | |
399 Matcher m2 = args2.matcher(arg); | |
400 Address start = null; | |
401 Address end = null; | |
402 String format = ""; | |
403 int formatSize = (int)VM.getVM().getAddressSize(); | |
404 | |
405 if (m1.matches()) { | |
406 start = VM.getVM().getDebugger().parseAddress(m1.group(1)); | |
407 int count = 1; | |
408 if (m1.group(2) != null) { | |
409 count = Integer.parseInt(m1.group(3)); | |
410 } | |
411 end = start.addOffsetTo(count * formatSize); | |
412 } else if (m2.matches()) { | |
413 start = VM.getVM().getDebugger().parseAddress(m2.group(1)); | |
414 end = VM.getVM().getDebugger().parseAddress(m2.group(2)); | |
415 } else { | |
416 usage(); | |
417 return; | |
418 } | |
419 int line = 80; | |
420 int formatWidth = formatSize * 8 / 4 + 2; | |
421 | |
422 out.print(fill(start, formatWidth)); | |
423 out.print(": "); | |
424 int width = line - formatWidth - 2; | |
425 | |
426 boolean needsPrintln = true; | |
427 while (start != null && start.lessThan(end)) { | |
428 Address val = start.getAddressAt(0); | |
429 out.print(fill(val, formatWidth)); | |
430 needsPrintln = true; | |
431 width -= formatWidth; | |
432 start = start.addOffsetTo(formatSize); | |
433 if (width <= formatWidth) { | |
434 out.println(); | |
435 needsPrintln = false; | |
436 if (start.lessThan(end)) { | |
437 out.print(fill(start, formatWidth)); | |
438 out.print(": "); | |
439 width = line - formatWidth - 2; | |
440 } | |
441 } else { | |
442 out.print(" "); | |
443 width -= 1; | |
444 } | |
445 } | |
446 if (needsPrintln) { | |
447 out.println(); | |
448 } | |
449 } | |
450 } | |
451 }, | |
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452 new Command("dumpreplaydata", "dumpreplaydata { <address > | -a | <thread_id> }", false) { |
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453 // This is used to dump replay data from ciInstanceKlass, ciMethodData etc |
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454 // default file name is replay.txt, also if java crashes in compiler |
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455 // thread, this file will be dumped in error processing. |
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456 public void doit(Tokens t) { |
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457 if (t.countTokens() != 1) { |
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458 usage(); |
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459 return; |
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460 } |
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461 String name = t.nextToken(); |
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462 Address a = null; |
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463 try { |
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464 a = VM.getVM().getDebugger().parseAddress(name); |
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465 } catch (NumberFormatException e) { } |
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466 if (a != null) { |
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467 // only nmethod, Method, MethodData and InstanceKlass needed to |
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468 // dump replay data |
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469 |
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470 CodeBlob cb = VM.getVM().getCodeCache().findBlob(a); |
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471 if (cb != null && (cb instanceof NMethod)) { |
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472 ((NMethod)cb).dumpReplayData(out); |
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473 return; |
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474 } |
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475 // assume it is Metadata |
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476 Metadata meta = Metadata.instantiateWrapperFor(a); |
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477 if (meta != null) { |
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478 meta.dumpReplayData(out); |
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479 } else { |
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480 usage(); |
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481 return; |
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482 } |
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483 } |
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484 // Not an address |
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485 boolean all = name.equals("-a"); |
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486 Threads threads = VM.getVM().getThreads(); |
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487 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { |
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488 ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
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489 thread.printThreadIDOn(new PrintStream(bos)); |
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490 if (all || bos.toString().equals(name)) { |
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491 if (thread instanceof CompilerThread) { |
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492 CompilerThread ct = (CompilerThread)thread; |
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493 ciEnv env = ct.env(); |
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494 if (env != null) { |
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495 env.dumpReplayData(out); |
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496 } |
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497 } |
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498 } |
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499 } |
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500 } |
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501 }, |
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502 new Command("buildreplayjars", "buildreplayjars [ all | app | boot ] | [ prefix ]", false) { |
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503 // This is used to dump jar files of all the classes |
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504 // loaded in the core. Everything on the bootclasspath |
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505 // will go in boot.jar and everything else will go in |
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506 // app.jar. Then the classes can be loaded by the replay |
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507 // jvm using -Xbootclasspath/p:boot.jar -cp app.jar. boot.jar usually |
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508 // not needed, unless changed by jvmti. |
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509 public void doit(Tokens t) { |
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510 int tcount = t.countTokens(); |
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511 if (tcount > 2) { |
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512 usage(); |
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513 return; |
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514 } |
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515 try { |
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516 String prefix = ""; |
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517 String option = "all"; // default |
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518 switch(tcount) { |
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519 case 0: |
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520 break; |
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521 case 1: |
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522 option = t.nextToken(); |
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523 if (!option.equalsIgnoreCase("all") && !option.equalsIgnoreCase("app") && |
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524 !option.equalsIgnoreCase("root")) { |
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525 prefix = option; |
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526 option = "all"; |
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527 } |
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528 break; |
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529 case 2: |
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530 option = t.nextToken(); |
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531 prefix = t.nextToken(); |
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532 break; |
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533 default: |
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534 usage(); |
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535 return; |
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536 } |
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537 if (!option.equalsIgnoreCase("all") && !option.equalsIgnoreCase("app") && |
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538 !option.equalsIgnoreCase("boot")) { |
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539 usage(); |
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540 return; |
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541 } |
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542 ClassDump cd = new ClassDump(); |
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543 if (option.equalsIgnoreCase("all") || option.equalsIgnoreCase("boot")) { |
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544 cd.setClassFilter(new BootFilter()); |
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545 cd.setJarOutput(prefix + "boot.jar"); |
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546 cd.run(); |
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547 } |
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548 if (option.equalsIgnoreCase("all") || option.equalsIgnoreCase("app")) { |
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549 cd.setClassFilter(new NonBootFilter()); |
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550 cd.setJarOutput(prefix + "app.jar"); |
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551 cd.run(); |
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552 } |
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553 } catch (IOException ioe) { |
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554 ioe.printStackTrace(); |
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555 } |
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556 } |
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557 }, |
0 | 558 new Command("findpc", "findpc address", false) { |
559 public void doit(Tokens t) { | |
560 if (t.countTokens() != 1) { | |
561 usage(); | |
562 } else { | |
563 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
564 PointerLocation loc = PointerFinder.find(a); | |
565 loc.printOn(out); | |
566 } | |
567 } | |
568 }, | |
2177
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569 new Command("symbol", "symbol address", false) { |
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570 public void doit(Tokens t) { |
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571 if (t.countTokens() != 1) { |
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572 usage(); |
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573 } else { |
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574 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); |
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575 Symbol.create(a).printValueOn(out); |
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576 out.println(); |
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577 } |
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578 } |
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579 }, |
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580 new Command("symboltable", "symboltable name", false) { |
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581 public void doit(Tokens t) { |
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582 if (t.countTokens() != 1) { |
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583 usage(); |
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584 } else { |
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585 out.println(SymbolTable.getTheTable().probe(t.nextToken())); |
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586 } |
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587 } |
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588 }, |
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589 new Command("symboldump", "symboldump", false) { |
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590 public void doit(Tokens t) { |
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591 SymbolTable.getTheTable().symbolsDo(new SymbolTable.SymbolVisitor() { |
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592 public void visit(Symbol sym) { |
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593 sym.printValueOn(out); |
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594 out.println(); |
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595 } |
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596 }); |
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597 } |
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598 }, |
3939 | 599 new Command("flags", "flags [ flag | -nd ]", false) { |
0 | 600 public void doit(Tokens t) { |
601 int tokens = t.countTokens(); | |
602 if (tokens != 0 && tokens != 1) { | |
603 usage(); | |
604 } else { | |
605 String name = tokens > 0 ? t.nextToken() : null; | |
3939 | 606 boolean nonDefault = false; |
607 if (name != null && name.equals("-nd")) { | |
608 name = null; | |
609 nonDefault = true; | |
610 } | |
0 | 611 |
612 VM.Flag[] flags = VM.getVM().getCommandLineFlags(); | |
613 if (flags == null) { | |
614 out.println("Command Flag info not available (use 1.4.1_03 or later)!"); | |
615 } else { | |
616 boolean printed = false; | |
617 for (int f = 0; f < flags.length; f++) { | |
618 VM.Flag flag = flags[f]; | |
619 if (name == null || flag.getName().equals(name)) { | |
3939 | 620 |
621 if (nonDefault && flag.getOrigin() == 0) { | |
622 // only print flags which aren't their defaults | |
623 continue; | |
624 } | |
625 out.println(flag.getName() + " = " + flag.getValue() + " " + flag.getOrigin()); | |
0 | 626 printed = true; |
627 } | |
628 } | |
629 if (name != null && !printed) { | |
630 out.println("Couldn't find flag: " + name); | |
631 } | |
632 } | |
633 } | |
634 } | |
635 }, | |
636 new Command("help", "help [ command ]", true) { | |
637 public void doit(Tokens t) { | |
638 int tokens = t.countTokens(); | |
639 Command cmd = null; | |
640 if (tokens == 1) { | |
641 cmd = findCommand(t.nextToken()); | |
642 } | |
643 | |
644 if (cmd != null) { | |
645 cmd.usage(); | |
646 } else if (tokens == 0) { | |
647 out.println("Available commands:"); | |
648 Object[] keys = commands.keySet().toArray(); | |
649 Arrays.sort(keys, new Comparator() { | |
650 public int compare(Object o1, Object o2) { | |
651 return o1.toString().compareTo(o2.toString()); | |
652 } | |
653 }); | |
654 for (int i = 0; i < keys.length; i++) { | |
655 out.print(" "); | |
656 out.println(((Command)commands.get(keys[i])).usage); | |
657 } | |
658 } | |
659 } | |
660 }, | |
661 new Command("history", "history", true) { | |
662 public void doit(Tokens t) { | |
663 int tokens = t.countTokens(); | |
664 if (tokens != 0 && (tokens != 1 || !t.nextToken().equals("-h"))) { | |
665 usage(); | |
666 return; | |
667 } | |
668 boolean printIndex = tokens == 0; | |
669 for (int i = 0; i < history.size(); i++) { | |
670 if (printIndex) out.print(i + " "); | |
671 out.println(history.get(i)); | |
672 } | |
673 } | |
674 }, | |
6782 | 675 // decode raw address |
676 new Command("dis", "dis address [length]", false) { | |
677 public void doit(Tokens t) { | |
678 int tokens = t.countTokens(); | |
679 if (tokens != 1 && tokens != 2) { | |
680 usage(); | |
681 return; | |
682 } | |
683 String name = t.nextToken(); | |
684 Address addr = null; | |
685 int len = 0x10; // default length | |
686 try { | |
687 addr = VM.getVM().getDebugger().parseAddress(name); | |
688 } catch (NumberFormatException e) { | |
689 out.println(e); | |
690 return; | |
691 } | |
692 if (tokens == 2) { | |
693 try { | |
694 len = Integer.parseInt(t.nextToken()); | |
695 } catch (NumberFormatException e) { | |
696 out.println(e); | |
697 return; | |
698 } | |
699 } | |
700 HTMLGenerator generator = new HTMLGenerator(false); | |
701 out.println(generator.genHTMLForRawDisassembly(addr, len)); | |
702 } | |
703 | |
704 }, | |
705 // decode codeblob or nmethod | |
706 new Command("disassemble", "disassemble address", false) { | |
707 public void doit(Tokens t) { | |
708 int tokens = t.countTokens(); | |
709 if (tokens != 1) { | |
710 usage(); | |
711 return; | |
712 } | |
713 String name = t.nextToken(); | |
714 Address addr = null; | |
715 try { | |
716 addr = VM.getVM().getDebugger().parseAddress(name); | |
717 } catch (NumberFormatException e) { | |
718 out.println(e); | |
719 return; | |
720 } | |
721 | |
722 HTMLGenerator generator = new HTMLGenerator(false); | |
723 out.println(generator.genHTML(addr)); | |
724 } | |
725 }, | |
726 // print Java bytecode disassembly | |
727 new Command("jdis", "jdis address", false) { | |
728 public void doit(Tokens t) { | |
729 int tokens = t.countTokens(); | |
730 if (tokens != 1) { | |
731 usage(); | |
732 return; | |
733 } | |
734 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
735 Method m = (Method)Metadata.instantiateWrapperFor(a); | |
736 HTMLGenerator html = new HTMLGenerator(false); | |
737 out.println(html.genHTML(m)); | |
738 } | |
739 }, | |
1385 | 740 new Command("revptrs", "revptrs address", false) { |
741 public void doit(Tokens t) { | |
742 int tokens = t.countTokens(); | |
743 if (tokens != 1 && (tokens != 2 || !t.nextToken().equals("-c"))) { | |
744 usage(); | |
745 return; | |
746 } | |
747 boolean chase = tokens == 2; | |
748 ReversePtrs revptrs = VM.getVM().getRevPtrs(); | |
749 if (revptrs == null) { | |
750 out.println("Computing reverse pointers..."); | |
751 ReversePtrsAnalysis analysis = new ReversePtrsAnalysis(); | |
752 final boolean[] complete = new boolean[1]; | |
753 HeapProgressThunk thunk = new HeapProgressThunk() { | |
754 public void heapIterationFractionUpdate(double d) {} | |
755 public synchronized void heapIterationComplete() { | |
756 complete[0] = true; | |
757 notify(); | |
758 } | |
759 }; | |
760 analysis.setHeapProgressThunk(thunk); | |
761 analysis.run(); | |
762 while (!complete[0]) { | |
763 synchronized (thunk) { | |
764 try { | |
765 thunk.wait(); | |
766 } catch (Exception e) { | |
767 } | |
768 } | |
769 } | |
770 revptrs = VM.getVM().getRevPtrs(); | |
771 out.println("Done."); | |
772 } | |
773 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
774 if (VM.getVM().getUniverse().heap().isInReserved(a)) { | |
775 OopHandle handle = a.addOffsetToAsOopHandle(0); | |
776 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
777 ArrayList ptrs = revptrs.get(oop); | |
778 if (ptrs == null) { | |
779 out.println("no live references to " + a); | |
780 } else { | |
781 if (chase) { | |
782 while (ptrs.size() == 1) { | |
783 LivenessPathElement e = (LivenessPathElement)ptrs.get(0); | |
784 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
785 Oop.printOopValueOn(e.getObj(), new PrintStream(bos)); | |
786 out.println(bos.toString()); | |
787 ptrs = revptrs.get(e.getObj()); | |
788 } | |
789 } else { | |
790 for (int i = 0; i < ptrs.size(); i++) { | |
791 LivenessPathElement e = (LivenessPathElement)ptrs.get(i); | |
792 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
793 Oop.printOopValueOn(e.getObj(), new PrintStream(bos)); | |
794 out.println(bos.toString()); | |
795 oop = e.getObj(); | |
796 } | |
797 } | |
798 } | |
799 } | |
800 } | |
801 }, | |
3939 | 802 new Command("printmdo", "printmdo [ -a | expression ]", false) { |
803 // Print every MDO in the heap or the one referenced by expression. | |
804 public void doit(Tokens t) { | |
805 if (t.countTokens() != 1) { | |
806 usage(); | |
807 } else { | |
808 String s = t.nextToken(); | |
809 if (s.equals("-a")) { | |
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810 SystemDictionary sysDict = VM.getVM().getSystemDictionary(); |
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811 sysDict.allClassesDo(new SystemDictionary.ClassVisitor() { |
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812 public void visit(Klass k) { |
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813 if (k instanceof InstanceKlass) { |
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814 MethodArray methods = ((InstanceKlass)k).getMethods(); |
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815 for (int i = 0; i < methods.length(); i++) { |
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816 Method m = methods.at(i); |
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817 MethodData mdo = m.getMethodData(); |
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818 if (mdo != null) { |
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819 out.println("MethodData " + mdo.getAddress() + " for " + |
3939 | 820 "method " + m.getMethodHolder().getName().asString() + "." + |
821 m.getName().asString() + | |
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822 m.getSignature().asString() + "@" + m.getAddress()); |
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823 mdo.printDataOn(out); |
3939 | 824 } |
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825 } |
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826 } |
3939 | 827 } |
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828 } |
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829 ); |
3939 | 830 } else { |
831 Address a = VM.getVM().getDebugger().parseAddress(s); | |
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832 MethodData mdo = (MethodData) Metadata.instantiateWrapperFor(a); |
3939 | 833 mdo.printDataOn(out); |
834 } | |
835 } | |
836 } | |
837 }, | |
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838 new Command("printall", "printall", false) { |
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839 // Print every MDO in the heap or the one referenced by expression. |
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840 public void doit(Tokens t) { |
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841 if (t.countTokens() != 0) { |
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842 usage(); |
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843 } else { |
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844 SystemDictionary sysDict = VM.getVM().getSystemDictionary(); |
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845 sysDict.allClassesDo(new SystemDictionary.ClassVisitor() { |
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846 public void visit(Klass k) { |
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847 if (k instanceof InstanceKlass && ((InstanceKlass)k).getConstants().getCache() != null) { |
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848 MethodArray methods = ((InstanceKlass)k).getMethods(); |
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849 for (int i = 0; i < methods.length(); i++) { |
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850 Method m = methods.at(i); |
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851 HTMLGenerator gen = new HTMLGenerator(false); |
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852 out.println(gen.genHTML(m)); |
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853 } |
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854 } |
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855 } |
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856 } |
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857 ); |
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858 } |
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859 } |
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860 }, |
3939 | 861 new Command("dumpideal", "dumpideal { -a | id }", false) { |
862 // Do a full dump of the nodes reachabile from root in each compiler thread. | |
863 public void doit(Tokens t) { | |
864 if (t.countTokens() != 1) { | |
865 usage(); | |
866 } else { | |
867 String name = t.nextToken(); | |
868 boolean all = name.equals("-a"); | |
869 Threads threads = VM.getVM().getThreads(); | |
870 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
871 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
872 thread.printThreadIDOn(new PrintStream(bos)); | |
873 if (all || bos.toString().equals(name)) { | |
874 if (thread instanceof CompilerThread) { | |
875 CompilerThread ct = (CompilerThread)thread; | |
876 out.println(ct); | |
877 ciEnv env = ct.env(); | |
878 if (env != null) { | |
879 Compile c = env.compilerData(); | |
880 c.root().dump(9999, out); | |
881 } else { | |
882 out.println(" not compiling"); | |
883 } | |
884 } | |
885 } | |
886 } | |
887 } | |
888 } | |
889 }, | |
890 new Command("dumpcfg", "dumpcfg { -a | id }", false) { | |
891 // Dump the PhaseCFG for every compiler thread that has one live. | |
892 public void doit(Tokens t) { | |
893 if (t.countTokens() != 1) { | |
894 usage(); | |
895 } else { | |
896 String name = t.nextToken(); | |
897 boolean all = name.equals("-a"); | |
898 Threads threads = VM.getVM().getThreads(); | |
899 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
900 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
901 thread.printThreadIDOn(new PrintStream(bos)); | |
902 if (all || bos.toString().equals(name)) { | |
903 if (thread instanceof CompilerThread) { | |
904 CompilerThread ct = (CompilerThread)thread; | |
905 out.println(ct); | |
906 ciEnv env = ct.env(); | |
907 if (env != null) { | |
908 Compile c = env.compilerData(); | |
909 c.cfg().dump(out); | |
910 } | |
911 } | |
912 } | |
913 } | |
914 } | |
915 } | |
916 }, | |
917 new Command("dumpilt", "dumpilt { -a | id }", false) { | |
918 // dumps the InlineTree of a C2 compile | |
919 public void doit(Tokens t) { | |
920 if (t.countTokens() != 1) { | |
921 usage(); | |
922 } else { | |
923 String name = t.nextToken(); | |
924 boolean all = name.equals("-a"); | |
925 Threads threads = VM.getVM().getThreads(); | |
926 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
927 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
928 thread.printThreadIDOn(new PrintStream(bos)); | |
929 if (all || bos.toString().equals(name)) { | |
930 if (thread instanceof CompilerThread) { | |
931 CompilerThread ct = (CompilerThread)thread; | |
932 ciEnv env = ct.env(); | |
933 if (env != null) { | |
934 Compile c = env.compilerData(); | |
935 InlineTree ilt = c.ilt(); | |
936 if (ilt != null) { | |
937 ilt.print(out); | |
938 } | |
939 } | |
940 } | |
941 } | |
942 } | |
943 } | |
944 } | |
945 }, | |
946 new Command("vmstructsdump", "vmstructsdump", false) { | |
947 public void doit(Tokens t) { | |
948 if (t.countTokens() != 0) { | |
949 usage(); | |
950 return; | |
951 } | |
952 | |
953 // Dump a copy of the type database in a form that can | |
954 // be read back. | |
955 Iterator i = agent.getTypeDataBase().getTypes(); | |
956 // Make sure the types are emitted in an order than can be read back in | |
957 HashSet emitted = new HashSet(); | |
958 Stack pending = new Stack(); | |
959 while (i.hasNext()) { | |
960 Type n = (Type)i.next(); | |
961 if (emitted.contains(n.getName())) { | |
962 continue; | |
963 } | |
964 | |
965 while (n != null && !emitted.contains(n.getName())) { | |
966 pending.push(n); | |
967 n = n.getSuperclass(); | |
968 } | |
969 while (!pending.empty()) { | |
970 n = (Type)pending.pop(); | |
971 dumpType(n); | |
972 emitted.add(n.getName()); | |
973 } | |
974 } | |
975 i = agent.getTypeDataBase().getTypes(); | |
976 while (i.hasNext()) { | |
977 dumpFields((Type)i.next(), false); | |
978 } | |
979 } | |
980 }, | |
981 | |
0 | 982 new Command("inspect", "inspect expression", false) { |
983 public void doit(Tokens t) { | |
984 if (t.countTokens() != 1) { | |
985 usage(); | |
986 } else { | |
987 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
988 SimpleTreeNode node = null; | |
989 if (VM.getVM().getUniverse().heap().isInReserved(a)) { | |
990 OopHandle handle = a.addOffsetToAsOopHandle(0); | |
991 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
992 node = new OopTreeNodeAdapter(oop, null); | |
993 | |
994 out.println("instance of " + node.getValue() + " @ " + a + | |
995 " (size = " + oop.getObjectSize() + ")"); | |
996 } else if (VM.getVM().getCodeCache().contains(a)) { | |
997 CodeBlob blob = VM.getVM().getCodeCache().findBlobUnsafe(a); | |
998 a = blob.headerBegin(); | |
999 } | |
1000 if (node == null) { | |
1001 Type type = VM.getVM().getTypeDataBase().guessTypeForAddress(a); | |
1002 if (type != null) { | |
1003 out.println("Type is " + type.getName() + " (size of " + type.getSize() + ")"); | |
1004 node = new CTypeTreeNodeAdapter(a, type, null); | |
1005 } | |
1006 } | |
1007 if (node != null) { | |
1008 printNode(node); | |
1009 } | |
1010 } | |
1011 } | |
1012 }, | |
1013 new Command("jhisto", "jhisto", false) { | |
1014 public void doit(Tokens t) { | |
1015 ObjectHistogram histo = new ObjectHistogram(); | |
1016 histo.run(out, err); | |
1017 } | |
1018 }, | |
1019 new Command("jstack", "jstack [-v]", false) { | |
1020 public void doit(Tokens t) { | |
1021 boolean verbose = false; | |
1022 if (t.countTokens() > 0 && t.nextToken().equals("-v")) { | |
1023 verbose = true; | |
1024 } | |
1025 StackTrace jstack = new StackTrace(verbose, true); | |
1026 jstack.run(out); | |
1027 } | |
1028 }, | |
1029 new Command("print", "print expression", false) { | |
1030 public void doit(Tokens t) { | |
1031 if (t.countTokens() != 1) { | |
1032 usage(); | |
1033 } else { | |
1034 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
1035 HTMLGenerator gen = new HTMLGenerator(false); | |
1036 out.println(gen.genHTML(a)); | |
1037 } | |
1038 } | |
1039 }, | |
1040 new Command("printas", "printas type expression", false) { | |
1041 public void doit(Tokens t) { | |
1042 if (t.countTokens() != 2) { | |
1043 usage(); | |
1044 } else { | |
1045 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
1046 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
1047 CTypeTreeNodeAdapter node = new CTypeTreeNodeAdapter(a, type, null); | |
1048 | |
1049 out.println("pointer to " + type + " @ " + a + | |
1050 " (size = " + type.getSize() + ")"); | |
1051 printNode(node); | |
1052 } | |
1053 } | |
1054 }, | |
1055 new Command("printstatics", "printstatics [ type ]", false) { | |
1056 public void doit(Tokens t) { | |
1057 if (t.countTokens() > 1) { | |
1058 usage(); | |
1059 } else { | |
1060 if (t.countTokens() == 0) { | |
1061 out.println("All known static fields"); | |
1062 printNode(new CTypeTreeNodeAdapter(agent.getTypeDataBase().getTypes())); | |
1063 } else { | |
1064 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
1065 out.println("Static fields of " + type.getName()); | |
1066 printNode(new CTypeTreeNodeAdapter(type)); | |
1067 } | |
1068 } | |
1069 } | |
1070 }, | |
1071 new Command("pmap", "pmap", false) { | |
1072 public void doit(Tokens t) { | |
1073 PMap pmap = new PMap(); | |
1074 pmap.run(out, debugger.getAgent().getDebugger()); | |
1075 } | |
1076 }, | |
1077 new Command("pstack", "pstack [-v]", false) { | |
1078 public void doit(Tokens t) { | |
1079 boolean verbose = false; | |
1080 if (t.countTokens() > 0 && t.nextToken().equals("-v")) { | |
1081 verbose = true; | |
1082 } | |
1083 PStack pstack = new PStack(verbose, true); | |
1084 pstack.run(out, debugger.getAgent().getDebugger()); | |
1085 } | |
1086 }, | |
1087 new Command("quit", true) { | |
1088 public void doit(Tokens t) { | |
1089 if (t.countTokens() != 0) { | |
1090 usage(); | |
1091 } else { | |
1092 debugger.detach(); | |
1093 System.exit(0); | |
1094 } | |
1095 } | |
1096 }, | |
1097 new Command("echo", "echo [ true | false ]", true) { | |
1098 public void doit(Tokens t) { | |
1099 if (t.countTokens() == 0) { | |
1100 out.println("echo is " + doEcho); | |
1101 } else if (t.countTokens() == 1) { | |
1102 doEcho = Boolean.valueOf(t.nextToken()).booleanValue(); | |
1103 } else { | |
1104 usage(); | |
1105 } | |
1106 } | |
1107 }, | |
1108 new Command("versioncheck", "versioncheck [ true | false ]", true) { | |
1109 public void doit(Tokens t) { | |
1110 if (t.countTokens() == 0) { | |
1111 out.println("versioncheck is " + | |
1112 (System.getProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck") == null)); | |
1113 } else if (t.countTokens() == 1) { | |
1114 if (Boolean.valueOf(t.nextToken()).booleanValue()) { | |
1115 System.setProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck", null); | |
1116 } else { | |
1117 System.setProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck", "true"); | |
1118 } | |
1119 } else { | |
1120 usage(); | |
1121 } | |
1122 } | |
1123 }, | |
1124 new Command("scanoops", "scanoops start end [ type ]", false) { | |
1125 public void doit(Tokens t) { | |
1126 if (t.countTokens() != 2 && t.countTokens() != 3) { | |
1127 usage(); | |
1128 } else { | |
1129 long stride = VM.getVM().getAddressSize(); | |
1130 Address base = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
1131 Address end = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
1132 Klass klass = null; | |
1133 if (t.countTokens() == 1) { | |
1134 klass = SystemDictionaryHelper.findInstanceKlass(t.nextToken()); | |
1135 } | |
1136 while (base != null && base.lessThan(end)) { | |
1137 long step = stride; | |
1138 OopHandle handle = base.addOffsetToAsOopHandle(0); | |
1139 if (RobustOopDeterminator.oopLooksValid(handle)) { | |
1140 try { | |
1141 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
1142 if (klass == null || oop.getKlass().isSubtypeOf(klass)) | |
1143 out.println(handle.toString() + " " + oop.getKlass().getName().asString()); | |
1144 step = oop.getObjectSize(); | |
1145 } catch (UnknownOopException ex) { | |
1146 // ok | |
1147 } catch (RuntimeException ex) { | |
1148 ex.printStackTrace(); | |
1149 } | |
1150 } | |
1151 base = base.addOffsetTo(step); | |
1152 } | |
1153 } | |
1154 } | |
1155 }, | |
3939 | 1156 new Command("intConstant", "intConstant [ name [ value ] ]", true) { |
1157 public void doit(Tokens t) { | |
1158 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 2) { | |
1159 usage(); | |
1160 return; | |
1161 } | |
1162 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
1163 if (t.countTokens() == 1) { | |
1164 out.println("intConstant " + name + " " + db.lookupIntConstant(name)); | |
1165 } else if (t.countTokens() == 0) { | |
1166 Iterator i = db.getIntConstants(); | |
1167 while (i.hasNext()) { | |
1168 String name = (String)i.next(); | |
1169 out.println("intConstant " + name + " " + db.lookupIntConstant(name)); | |
1170 } | |
1171 } else if (t.countTokens() == 2) { | |
1172 String name = t.nextToken(); | |
1173 Integer value = Integer.valueOf(t.nextToken()); | |
1174 db.addIntConstant(name, value); | |
1175 } | |
1176 } | |
1177 }, | |
1178 new Command("longConstant", "longConstant [ name [ value ] ]", true) { | |
1179 public void doit(Tokens t) { | |
1180 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 2) { | |
1181 usage(); | |
1182 return; | |
1183 } | |
1184 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
1185 if (t.countTokens() == 1) { | |
1186 out.println("longConstant " + name + " " + db.lookupLongConstant(name)); | |
1187 } else if (t.countTokens() == 0) { | |
1188 Iterator i = db.getLongConstants(); | |
1189 while (i.hasNext()) { | |
1190 String name = (String)i.next(); | |
1191 out.println("longConstant " + name + " " + db.lookupLongConstant(name)); | |
1192 } | |
1193 } else if (t.countTokens() == 2) { | |
1194 String name = t.nextToken(); | |
1195 Long value = Long.valueOf(t.nextToken()); | |
1196 db.addLongConstant(name, value); | |
1197 } | |
1198 } | |
1199 }, | |
0 | 1200 new Command("field", "field [ type [ name fieldtype isStatic offset address ] ]", true) { |
1201 public void doit(Tokens t) { | |
1202 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 6) { | |
1203 usage(); | |
1204 return; | |
1205 } | |
1206 if (t.countTokens() == 1) { | |
1207 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
1208 dumpFields(type); | |
1209 } else if (t.countTokens() == 0) { | |
1210 Iterator i = agent.getTypeDataBase().getTypes(); | |
1211 while (i.hasNext()) { | |
1212 dumpFields((Type)i.next()); | |
1213 } | |
1214 } else { | |
1215 BasicType containingType = (BasicType)agent.getTypeDataBase().lookupType(t.nextToken()); | |
1216 | |
1217 String fieldName = t.nextToken(); | |
1218 | |
1219 // The field's Type must already be in the database -- no exceptions | |
1220 Type fieldType = agent.getTypeDataBase().lookupType(t.nextToken()); | |
1221 | |
1222 boolean isStatic = Boolean.valueOf(t.nextToken()).booleanValue(); | |
1223 long offset = Long.parseLong(t.nextToken()); | |
1224 Address staticAddress = parseAddress(t.nextToken()); | |
1225 if (isStatic && staticAddress == null) { | |
1226 staticAddress = lookup(containingType.getName() + "::" + fieldName); | |
1227 } | |
1228 | |
1229 // check to see if the field already exists | |
1230 Iterator i = containingType.getFields(); | |
1231 while (i.hasNext()) { | |
1232 Field f = (Field) i.next(); | |
1233 if (f.getName().equals(fieldName)) { | |
1234 if (f.isStatic() != isStatic) { | |
1235 throw new RuntimeException("static/nonstatic mismatch: " + t.input); | |
1236 } | |
1237 if (!isStatic) { | |
1238 if (f.getOffset() != offset) { | |
1239 throw new RuntimeException("bad redefinition of field offset: " + t.input); | |
1240 } | |
1241 } else { | |
1242 if (!f.getStaticFieldAddress().equals(staticAddress)) { | |
1243 throw new RuntimeException("bad redefinition of field location: " + t.input); | |
1244 } | |
1245 } | |
1246 if (f.getType() != fieldType) { | |
1247 throw new RuntimeException("bad redefinition of field type: " + t.input); | |
1248 } | |
1249 return; | |
1250 } | |
1251 } | |
1252 | |
1253 // Create field by type | |
1254 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
1255 db.createField(containingType, | |
1256 fieldName, fieldType, | |
1257 isStatic, | |
1258 offset, | |
1259 staticAddress); | |
1260 | |
1261 } | |
1262 } | |
1263 | |
1264 }, | |
1265 new Command("tokenize", "tokenize ...", true) { | |
1266 public void doit(Tokens t) { | |
1267 while (t.hasMoreTokens()) { | |
1268 out.println("\"" + t.nextToken() + "\""); | |
1269 } | |
1270 } | |
1271 }, | |
1272 new Command("type", "type [ type [ name super isOop isInteger isUnsigned size ] ]", true) { | |
1273 public void doit(Tokens t) { | |
1274 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 6) { | |
1275 usage(); | |
1276 return; | |
1277 } | |
1278 if (t.countTokens() == 6) { | |
1279 String typeName = t.nextToken(); | |
1280 String superclassName = t.nextToken(); | |
1281 if (superclassName.equals("null")) { | |
1282 superclassName = null; | |
1283 } | |
1284 boolean isOop = Boolean.valueOf(t.nextToken()).booleanValue(); | |
1285 boolean isInteger = Boolean.valueOf(t.nextToken()).booleanValue(); | |
1286 boolean isUnsigned = Boolean.valueOf(t.nextToken()).booleanValue(); | |
1287 long size = Long.parseLong(t.nextToken()); | |
1288 | |
1289 BasicType type = null; | |
1290 try { | |
1291 type = (BasicType)agent.getTypeDataBase().lookupType(typeName); | |
1292 } catch (RuntimeException e) { | |
1293 } | |
1294 if (type != null) { | |
1295 if (type.isOopType() != isOop) { | |
1296 throw new RuntimeException("oop mismatch in type definition: " + t.input); | |
1297 } | |
1298 if (type.isCIntegerType() != isInteger) { | |
1299 throw new RuntimeException("integer type mismatch in type definition: " + t.input); | |
1300 } | |
1301 if (type.isCIntegerType() && (((CIntegerType)type).isUnsigned()) != isUnsigned) { | |
1302 throw new RuntimeException("unsigned mismatch in type definition: " + t.input); | |
1303 } | |
1304 if (type.getSuperclass() == null) { | |
1305 if (superclassName != null) { | |
1306 if (type.getSize() == -1) { | |
1307 type.setSuperclass(agent.getTypeDataBase().lookupType(superclassName)); | |
1308 } else { | |
1309 throw new RuntimeException("unexpected superclass in type definition: " + t.input); | |
1310 } | |
1311 } | |
1312 } else { | |
1313 if (superclassName == null) { | |
1314 throw new RuntimeException("missing superclass in type definition: " + t.input); | |
1315 } | |
1316 if (!type.getSuperclass().getName().equals(superclassName)) { | |
1317 throw new RuntimeException("incorrect superclass in type definition: " + t.input); | |
1318 } | |
1319 } | |
1320 if (type.getSize() != size) { | |
1321 if (type.getSize() == -1) { | |
1322 type.setSize(size); | |
1323 } | |
1324 throw new RuntimeException("size mismatch in type definition: " + t.input); | |
1325 } | |
1326 return; | |
1327 } | |
1328 | |
1329 // Create type | |
1330 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
1331 db.createType(typeName, superclassName, isOop, isInteger, isUnsigned, size); | |
1332 } else if (t.countTokens() == 1) { | |
1333 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
1334 dumpType(type); | |
1335 } else { | |
1336 Iterator i = agent.getTypeDataBase().getTypes(); | |
1385 | 1337 // Make sure the types are emitted in an order than can be read back in |
1338 HashSet emitted = new HashSet(); | |
1339 Stack pending = new Stack(); | |
0 | 1340 while (i.hasNext()) { |
1385 | 1341 Type n = (Type)i.next(); |
1342 if (emitted.contains(n.getName())) { | |
1343 continue; | |
1344 } | |
1345 | |
1346 while (n != null && !emitted.contains(n.getName())) { | |
1347 pending.push(n); | |
1348 n = n.getSuperclass(); | |
1349 } | |
1350 while (!pending.empty()) { | |
1351 n = (Type)pending.pop(); | |
1352 dumpType(n); | |
1353 emitted.add(n.getName()); | |
1354 } | |
0 | 1355 } |
1356 } | |
1357 } | |
1358 | |
1359 }, | |
1360 new Command("source", "source filename", true) { | |
1361 public void doit(Tokens t) { | |
1362 if (t.countTokens() != 1) { | |
1363 usage(); | |
1364 return; | |
1365 } | |
1366 String file = t.nextToken(); | |
1367 BufferedReader savedInput = in; | |
1368 try { | |
1369 BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(file))); | |
1370 in = input; | |
1371 run(false); | |
1372 } catch (Exception e) { | |
1373 out.println("Error: " + e); | |
1374 if (verboseExceptions) { | |
1375 e.printStackTrace(out); | |
1376 } | |
1377 } finally { | |
1378 in = savedInput; | |
1379 } | |
1380 | |
1381 } | |
1382 }, | |
1385 | 1383 new Command("search", "search [ heap | perm | rawheap | codecache | threads ] value", false) { |
0 | 1384 public void doit(Tokens t) { |
1385 if (t.countTokens() != 2) { | |
1386 usage(); | |
1385 | 1387 return; |
1388 } | |
1389 String type = t.nextToken(); | |
1390 final Address value = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
1391 final long stride = VM.getVM().getAddressSize(); | |
1392 if (type.equals("threads")) { | |
1393 Threads threads = VM.getVM().getThreads(); | |
1394 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
1395 Address base = thread.getBaseOfStackPointer(); | |
1396 Address end = thread.getLastJavaSP(); | |
1397 if (end == null) continue; | |
1398 if (end.lessThan(base)) { | |
1399 Address tmp = base; | |
1400 base = end; | |
1401 end = tmp; | |
1402 } | |
1403 out.println("Searching " + base + " " + end); | |
1404 while (base != null && base.lessThan(end)) { | |
1405 Address val = base.getAddressAt(0); | |
1406 if (AddressOps.equal(val, value)) { | |
1407 out.println(base); | |
1408 } | |
1409 base = base.addOffsetTo(stride); | |
1410 } | |
1411 } | |
1412 } else if (type.equals("rawheap")) { | |
1413 RawHeapVisitor iterator = new RawHeapVisitor() { | |
1414 public void prologue(long used) { | |
0 | 1415 } |
1385 | 1416 |
1417 public void visitAddress(Address addr) { | |
1418 Address val = addr.getAddressAt(0); | |
0 | 1419 if (AddressOps.equal(val, value)) { |
1385 | 1420 out.println("found at " + addr); |
0 | 1421 } |
1385 | 1422 } |
1423 public void visitCompOopAddress(Address addr) { | |
1424 Address val = addr.getCompOopAddressAt(0); | |
1425 if (AddressOps.equal(val, value)) { | |
1426 out.println("found at " + addr); | |
1427 } | |
0 | 1428 } |
1385 | 1429 public void epilogue() { |
1430 } | |
1431 }; | |
1432 VM.getVM().getObjectHeap().iterateRaw(iterator); | |
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1433 } else if (type.equals("heap")) { |
1385 | 1434 HeapVisitor iterator = new DefaultHeapVisitor() { |
1435 public boolean doObj(Oop obj) { | |
1436 int index = 0; | |
1437 Address start = obj.getHandle(); | |
1438 long end = obj.getObjectSize(); | |
1439 while (index < end) { | |
1440 Address val = start.getAddressAt(index); | |
0 | 1441 if (AddressOps.equal(val, value)) { |
1385 | 1442 out.println("found in " + obj.getHandle()); |
1443 break; | |
0 | 1444 } |
1385 | 1445 index += 4; |
0 | 1446 } |
1385 | 1447 return false; |
1448 } | |
1449 }; | |
1450 VM.getVM().getObjectHeap().iterate(iterator); | |
1451 } else if (type.equals("codecache")) { | |
1452 CodeCacheVisitor v = new CodeCacheVisitor() { | |
1453 public void prologue(Address start, Address end) { | |
1454 } | |
1455 public void visit(CodeBlob blob) { | |
1456 boolean printed = false; | |
1457 Address base = blob.getAddress(); | |
1458 Address end = base.addOffsetTo(blob.getSize()); | |
1459 while (base != null && base.lessThan(end)) { | |
1460 Address val = base.getAddressAt(0); | |
1461 if (AddressOps.equal(val, value)) { | |
1462 if (!printed) { | |
1463 printed = true; | |
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1464 try { |
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1465 blob.printOn(out); |
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1466 } catch (Exception e) { |
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1467 out.println("Exception printing blob at " + base); |
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1468 e.printStackTrace(); |
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1469 } |
0 | 1470 } |
1385 | 1471 out.println("found at " + base + "\n"); |
0 | 1472 } |
1385 | 1473 base = base.addOffsetTo(stride); |
0 | 1474 } |
1385 | 1475 } |
1476 public void epilogue() { | |
1477 } | |
0 | 1478 |
1479 | |
1385 | 1480 }; |
1481 VM.getVM().getCodeCache().iterate(v); | |
0 | 1482 |
1483 } | |
1484 } | |
1485 }, | |
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1486 new Command("dumpcodecache", "dumpcodecache", false) { |
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1487 public void doit(Tokens t) { |
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1488 if (t.countTokens() != 0) { |
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1489 usage(); |
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1490 } else { |
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1491 final PrintStream fout = out; |
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1492 final HTMLGenerator gen = new HTMLGenerator(false); |
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1493 CodeCacheVisitor v = new CodeCacheVisitor() { |
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1494 public void prologue(Address start, Address end) { |
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1495 } |
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|
1496 public void visit(CodeBlob blob) { |
1748 | 1497 fout.println(gen.genHTML(blob.contentBegin())); |
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1498 } |
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1499 public void epilogue() { |
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1500 } |
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1501 |
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1502 |
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1503 }; |
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1504 VM.getVM().getCodeCache().iterate(v); |
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1505 } |
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1506 } |
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1507 }, |
0 | 1508 new Command("where", "where { -a | id }", false) { |
1509 public void doit(Tokens t) { | |
1510 if (t.countTokens() != 1) { | |
1511 usage(); | |
1512 } else { | |
1513 String name = t.nextToken(); | |
1514 Threads threads = VM.getVM().getThreads(); | |
1515 boolean all = name.equals("-a"); | |
1516 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
1517 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
1518 thread.printThreadIDOn(new PrintStream(bos)); | |
1519 if (all || bos.toString().equals(name)) { | |
1385 | 1520 out.println(bos.toString() + " = " + thread.getAddress()); |
0 | 1521 HTMLGenerator gen = new HTMLGenerator(false); |
1385 | 1522 try { |
1523 out.println(gen.genHTMLForJavaStackTrace(thread)); | |
1524 } catch (Exception e) { | |
1525 err.println("Error: " + e); | |
1526 if (verboseExceptions) { | |
1527 e.printStackTrace(err); | |
1528 } | |
1529 } | |
0 | 1530 if (!all) return; |
1531 } | |
1532 } | |
1533 if (!all) out.println("Couldn't find thread " + name); | |
1534 } | |
1535 } | |
1536 }, | |
1385 | 1537 new Command("thread", "thread { -a | id }", false) { |
1538 public void doit(Tokens t) { | |
1539 if (t.countTokens() != 1) { | |
1540 usage(); | |
1541 } else { | |
1542 String name = t.nextToken(); | |
1543 Threads threads = VM.getVM().getThreads(); | |
1544 boolean all = name.equals("-a"); | |
1545 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
1546 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
1547 thread.printThreadIDOn(new PrintStream(bos)); | |
1548 if (all || bos.toString().equals(name)) { | |
1549 out.println(bos.toString() + " = " + thread.getAddress()); | |
1550 if (!all) return; | |
1551 } | |
1552 } | |
1553 out.println("Couldn't find thread " + name); | |
1554 } | |
1555 } | |
1556 }, | |
0 | 1557 |
1558 new Command("threads", false) { | |
1559 public void doit(Tokens t) { | |
1560 if (t.countTokens() != 0) { | |
1561 usage(); | |
1562 } else { | |
1563 Threads threads = VM.getVM().getThreads(); | |
1564 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
1565 thread.printThreadIDOn(out); | |
1566 out.println(" " + thread.getThreadName()); | |
1567 } | |
1568 } | |
1569 } | |
1570 }, | |
1571 | |
1572 new Command("livenmethods", false) { | |
1573 public void doit(Tokens t) { | |
1574 if (t.countTokens() != 0) { | |
1575 usage(); | |
1576 } else { | |
1577 ArrayList nmethods = new ArrayList(); | |
1578 Threads threads = VM.getVM().getThreads(); | |
1579 HTMLGenerator gen = new HTMLGenerator(false); | |
1580 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
1581 try { | |
1582 for (JavaVFrame vf = thread.getLastJavaVFrameDbg(); vf != null; vf = vf.javaSender()) { | |
1583 if (vf instanceof CompiledVFrame) { | |
1584 NMethod c = ((CompiledVFrame)vf).getCode(); | |
1585 if (!nmethods.contains(c)) { | |
1586 nmethods.add(c); | |
1587 out.println(gen.genHTML(c)); | |
1588 } | |
1589 } | |
1590 } | |
1591 } catch (Exception e) { | |
1592 e.printStackTrace(); | |
1593 } | |
1594 } | |
1595 } | |
1596 } | |
1597 }, | |
1598 new Command("universe", false) { | |
1599 public void doit(Tokens t) { | |
1600 if (t.countTokens() != 0) { | |
1601 usage(); | |
1602 } else { | |
1603 Universe u = VM.getVM().getUniverse(); | |
1604 out.println("Heap Parameters:"); | |
1605 u.heap().printOn(out); | |
1606 } | |
1607 } | |
1608 }, | |
1609 new Command("verbose", "verbose true | false", true) { | |
1610 public void doit(Tokens t) { | |
1611 if (t.countTokens() != 1) { | |
1612 usage(); | |
1613 } else { | |
1614 verboseExceptions = Boolean.valueOf(t.nextToken()).booleanValue(); | |
1615 } | |
1616 } | |
1617 }, | |
1618 new Command("assert", "assert true | false", true) { | |
1619 public void doit(Tokens t) { | |
1620 if (t.countTokens() != 1) { | |
1621 usage(); | |
1622 } else { | |
1623 Assert.ASSERTS_ENABLED = Boolean.valueOf(t.nextToken()).booleanValue(); | |
1624 } | |
1625 } | |
1626 }, | |
1627 }; | |
1628 | |
1629 private boolean verboseExceptions = false; | |
1630 private ArrayList history = new ArrayList(); | |
1631 private HashMap commands = new HashMap(); | |
1632 private boolean doEcho = false; | |
1633 | |
1634 private Command findCommand(String key) { | |
1635 return (Command)commands.get(key); | |
1636 } | |
1637 | |
1638 public void printPrompt() { | |
1639 out.print("hsdb> "); | |
1640 } | |
1641 | |
1642 private DebuggerInterface debugger; | |
1643 private HotSpotAgent agent; | |
1644 private JSJavaScriptEngine jsengine; | |
1645 private BufferedReader in; | |
1646 private PrintStream out; | |
1647 private PrintStream err; | |
1648 | |
1649 // called before debuggee attach | |
1650 private void preAttach() { | |
1651 // nothing for now.. | |
1652 } | |
1653 | |
1654 // called after debuggee attach | |
1655 private void postAttach() { | |
1656 // create JavaScript engine and start it | |
1657 jsengine = new JSJavaScriptEngine() { | |
1658 private ObjectReader reader = new ObjectReader(); | |
1659 private JSJavaFactory factory = new JSJavaFactoryImpl(); | |
1660 public ObjectReader getObjectReader() { | |
1661 return reader; | |
1662 } | |
1663 public JSJavaFactory getJSJavaFactory() { | |
1664 return factory; | |
1665 } | |
1666 protected void quit() { | |
1667 debugger.detach(); | |
1668 System.exit(0); | |
1669 } | |
1670 protected BufferedReader getInputReader() { | |
1671 return in; | |
1672 } | |
1673 protected PrintStream getOutputStream() { | |
1674 return out; | |
1675 } | |
1676 protected PrintStream getErrorStream() { | |
1677 return err; | |
1678 } | |
1679 }; | |
1680 try { | |
1681 jsengine.defineFunction(this, | |
1682 this.getClass().getMethod("registerCommand", | |
1683 new Class[] { | |
1684 String.class, String.class, String.class | |
1685 })); | |
1686 } catch (NoSuchMethodException exp) { | |
1687 // should not happen, see below...!! | |
1688 exp.printStackTrace(); | |
1689 } | |
1690 jsengine.start(); | |
1691 } | |
1692 | |
1693 public void registerCommand(String cmd, String usage, final String func) { | |
1694 commands.put(cmd, new Command(cmd, usage, false) { | |
1695 public void doit(Tokens t) { | |
1696 final int len = t.countTokens(); | |
1697 Object[] args = new Object[len]; | |
1698 for (int i = 0; i < len; i++) { | |
1699 args[i] = t.nextToken(); | |
1700 } | |
1701 jsengine.call(func, args); | |
1702 } | |
1703 }); | |
1704 } | |
1705 | |
1706 public void setOutput(PrintStream o) { | |
1707 out = o; | |
1708 } | |
1709 | |
1710 public void setErr(PrintStream e) { | |
1711 err = e; | |
1712 } | |
1713 | |
1714 public CommandProcessor(DebuggerInterface debugger, BufferedReader in, PrintStream out, PrintStream err) { | |
1715 this.debugger = debugger; | |
1716 this.agent = debugger.getAgent(); | |
1717 this.in = in; | |
1718 this.out = out; | |
1719 this.err = err; | |
1720 for (int i = 0; i < commandList.length; i++) { | |
1721 Command c = commandList[i]; | |
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1722 if (commands.get(c.name) != null) { |
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1723 throw new InternalError(c.name + " has multiple definitions"); |
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1724 } |
0 | 1725 commands.put(c.name, c); |
1726 } | |
1727 if (debugger.isAttached()) { | |
1728 postAttach(); | |
1729 } | |
1730 } | |
1731 | |
1732 | |
1733 public void run(boolean prompt) { | |
1734 // Process interactive commands. | |
1735 while (true) { | |
1736 if (prompt) printPrompt(); | |
1737 String ln = null; | |
1738 try { | |
1739 ln = in.readLine(); | |
1740 } catch (IOException e) { | |
1741 } | |
1742 if (ln == null) { | |
1743 if (prompt) err.println("Input stream closed."); | |
1744 return; | |
1745 } | |
1746 | |
3939 | 1747 executeCommand(ln, prompt); |
0 | 1748 } |
1749 } | |
1750 | |
1385 | 1751 static Pattern historyPattern = Pattern.compile("((!\\*)|(!\\$)|(!!-?)|(!-?[0-9][0-9]*)|(![a-zA-Z][^ ]*))"); |
0 | 1752 |
3939 | 1753 public void executeCommand(String ln, boolean putInHistory) { |
0 | 1754 if (ln.indexOf('!') != -1) { |
1755 int size = history.size(); | |
1756 if (size == 0) { | |
1757 ln = ""; | |
1758 err.println("History is empty"); | |
1759 } else { | |
1760 StringBuffer result = new StringBuffer(); | |
1761 Matcher m = historyPattern.matcher(ln); | |
1762 int start = 0; | |
1763 while (m.find()) { | |
1764 if (m.start() > start) { | |
1765 result.append(ln.substring(start, m.start() - start)); | |
1766 } | |
1767 start = m.end(); | |
1768 | |
1769 String cmd = m.group(); | |
1770 if (cmd.equals("!!")) { | |
1771 result.append((String)history.get(history.size() - 1)); | |
1772 } else if (cmd.equals("!!-")) { | |
1773 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
1774 item.trim(1); | |
1775 result.append(item.join(" ")); | |
1776 } else if (cmd.equals("!*")) { | |
1777 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
1778 item.nextToken(); | |
1779 result.append(item.join(" ")); | |
1780 } else if (cmd.equals("!$")) { | |
1781 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
1782 result.append(item.at(item.countTokens() - 1)); | |
1783 } else { | |
1784 String tail = cmd.substring(1); | |
1385 | 1785 switch (tail.charAt(0)) { |
1786 case '0': | |
1787 case '1': | |
1788 case '2': | |
1789 case '3': | |
1790 case '4': | |
1791 case '5': | |
1792 case '6': | |
1793 case '7': | |
1794 case '8': | |
1795 case '9': | |
1796 case '-': { | |
1797 int index = Integer.parseInt(tail); | |
1798 if (index < 0) { | |
1799 index = history.size() + index; | |
1800 } | |
1801 if (index > size) { | |
1802 err.println("No such history item"); | |
1803 } else { | |
1804 result.append((String)history.get(index)); | |
1805 } | |
1806 break; | |
0 | 1807 } |
1385 | 1808 default: { |
1809 for (int i = history.size() - 1; i >= 0; i--) { | |
1810 String s = (String)history.get(i); | |
1811 if (s.startsWith(tail)) { | |
1812 result.append(s); | |
1813 } | |
1814 } | |
1815 } | |
0 | 1816 } |
1817 } | |
1818 } | |
1819 if (result.length() == 0) { | |
1820 err.println("malformed history reference"); | |
1821 ln = ""; | |
1822 } else { | |
1823 if (start < ln.length()) { | |
1824 result.append(ln.substring(start)); | |
1825 } | |
1826 ln = result.toString(); | |
1827 if (!doEcho) { | |
1828 out.println(ln); | |
1829 } | |
1830 } | |
1831 } | |
1832 } | |
1833 | |
1834 if (doEcho) { | |
1835 out.println("+ " + ln); | |
1836 } | |
1837 | |
1838 PrintStream redirect = null; | |
1839 Tokens t = new Tokens(ln); | |
1840 if (t.hasMoreTokens()) { | |
1841 boolean error = false; | |
3939 | 1842 if (putInHistory) history.add(ln); |
0 | 1843 int len = t.countTokens(); |
1844 if (len > 2) { | |
1845 String r = t.at(len - 2); | |
1846 if (r.equals(">") || r.equals(">>")) { | |
1847 boolean append = r.length() == 2; | |
1848 String file = t.at(len - 1); | |
1849 try { | |
1850 redirect = new PrintStream(new BufferedOutputStream(new FileOutputStream(file, append))); | |
1851 t.trim(2); | |
1852 } catch (Exception e) { | |
1853 out.println("Error: " + e); | |
1854 if (verboseExceptions) { | |
1855 e.printStackTrace(out); | |
1856 } | |
1857 error = true; | |
1858 } | |
1859 } | |
1860 } | |
1861 if (!error) { | |
1862 PrintStream savedout = out; | |
1863 if (redirect != null) { | |
1864 out = redirect; | |
1865 } | |
1866 try { | |
1867 executeCommand(t); | |
1868 } catch (Exception e) { | |
1869 err.println("Error: " + e); | |
1870 if (verboseExceptions) { | |
1871 e.printStackTrace(err); | |
1872 } | |
1873 } finally { | |
1874 if (redirect != null) { | |
1875 out = savedout; | |
1876 redirect.close(); | |
1877 } | |
1878 } | |
1879 } | |
1880 } | |
1881 } | |
1882 | |
1883 void executeCommand(Tokens args) { | |
1884 String cmd = args.nextToken(); | |
1885 | |
1886 Command doit = findCommand(cmd); | |
1887 | |
1888 /* | |
1889 * Check for an unknown command | |
1890 */ | |
1891 if (doit == null) { | |
1892 out.println("Unrecognized command. Try help..."); | |
1893 } else if (!debugger.isAttached() && !doit.okIfDisconnected) { | |
1894 out.println("Command not valid until the attached to a VM"); | |
1895 } else { | |
1896 try { | |
1897 doit.doit(args); | |
1898 } catch (Exception e) { | |
1899 out.println("Error: " + e); | |
1900 if (verboseExceptions) { | |
1901 e.printStackTrace(out); | |
1902 } | |
1903 } | |
1904 } | |
1905 } | |
1906 } |