Mercurial > hg > graal-jvmci-8
annotate agent/src/share/classes/sun/jvm/hotspot/CommandProcessor.java @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | f6f3bb0ee072 |
| children | 5a98bf7d847b |
| rev | line source |
|---|---|
| 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; | |
| 36 import sun.jvm.hotspot.types.CIntegerType; | |
| 37 import sun.jvm.hotspot.code.*; | |
| 38 import sun.jvm.hotspot.compiler.*; | |
| 39 import sun.jvm.hotspot.debugger.*; | |
| 40 import sun.jvm.hotspot.interpreter.*; | |
| 41 import sun.jvm.hotspot.memory.*; | |
| 42 import sun.jvm.hotspot.oops.*; | |
| 3939 | 43 import sun.jvm.hotspot.opto.*; |
| 44 import sun.jvm.hotspot.ci.*; | |
| 0 | 45 import sun.jvm.hotspot.runtime.*; |
| 46 import sun.jvm.hotspot.utilities.*; | |
| 47 import sun.jvm.hotspot.utilities.soql.*; | |
| 48 import sun.jvm.hotspot.ui.classbrowser.*; | |
| 49 import sun.jvm.hotspot.ui.tree.*; | |
| 50 import sun.jvm.hotspot.tools.*; | |
| 51 import sun.jvm.hotspot.tools.ObjectHistogram; | |
| 52 import sun.jvm.hotspot.tools.StackTrace; | |
| 3939 | 53 import sun.jvm.hotspot.tools.jcore.ClassDump; |
| 54 import sun.jvm.hotspot.tools.jcore.ClassFilter; | |
| 0 | 55 |
| 56 public class CommandProcessor { | |
| 57 public abstract static class DebuggerInterface { | |
| 58 public abstract HotSpotAgent getAgent(); | |
| 59 public abstract boolean isAttached(); | |
| 60 public abstract void attach(String pid); | |
| 61 public abstract void attach(String java, String core); | |
| 62 public abstract void detach(); | |
| 63 public abstract void reattach(); | |
| 64 } | |
| 65 | |
| 3939 | 66 public static class BootFilter implements ClassFilter { |
| 67 public boolean canInclude(InstanceKlass kls) { | |
| 68 return kls.getClassLoader() == null; | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 public static class NonBootFilter implements ClassFilter { | |
| 73 private HashMap emitted = new HashMap(); | |
| 74 public boolean canInclude(InstanceKlass kls) { | |
| 75 if (kls.getClassLoader() == null) return false; | |
| 76 if (emitted.get(kls.getName()) != null) { | |
| 77 // Since multiple class loaders are being shoved | |
| 78 // together duplicate classes are a possibilty. For | |
| 79 // now just ignore them. | |
| 80 return false; | |
| 81 } | |
| 82 emitted.put(kls.getName(), kls); | |
| 83 return true; | |
| 84 } | |
| 85 } | |
| 86 | |
| 0 | 87 static class Tokens { |
| 88 final String input; | |
| 89 int i; | |
| 90 String[] tokens; | |
| 91 int length; | |
| 92 | |
| 93 String[] splitWhitespace(String cmd) { | |
| 94 String[] t = cmd.split("\\s"); | |
| 95 if (t.length == 1 && t[0].length() == 0) { | |
| 96 return new String[0]; | |
| 97 } | |
| 98 return t; | |
| 99 } | |
| 100 | |
| 101 void add(String s, ArrayList t) { | |
| 102 if (s.length() > 0) { | |
| 103 t.add(s); | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 Tokens(String cmd) { | |
| 108 input = cmd; | |
| 109 | |
| 110 // check for quoting | |
| 111 int quote = cmd.indexOf('"'); | |
| 112 ArrayList t = new ArrayList(); | |
| 113 if (quote != -1) { | |
| 114 while (cmd.length() > 0) { | |
| 115 if (quote != -1) { | |
| 116 int endquote = cmd.indexOf('"', quote + 1); | |
| 117 if (endquote == -1) { | |
| 118 throw new RuntimeException("mismatched quotes: " + input); | |
| 119 } | |
| 120 | |
| 121 String before = cmd.substring(0, quote).trim(); | |
| 122 String quoted = cmd.substring(quote + 1, endquote); | |
| 123 cmd = cmd.substring(endquote + 1).trim(); | |
| 124 if (before.length() > 0) { | |
| 125 String[] w = splitWhitespace(before); | |
| 126 for (int i = 0; i < w.length; i++) { | |
| 127 add(w[i], t); | |
| 128 } | |
| 129 } | |
| 130 add(quoted, t); | |
| 131 quote = cmd.indexOf('"'); | |
| 132 } else { | |
| 133 String[] w = splitWhitespace(cmd); | |
| 134 for (int i = 0; i < w.length; i++) { | |
| 135 add(w[i], t); | |
| 136 } | |
| 137 cmd = ""; | |
| 138 | |
| 139 } | |
| 140 } | |
| 141 } else { | |
| 142 String[] w = splitWhitespace(cmd); | |
| 143 for (int i = 0; i < w.length; i++) { | |
| 144 add(w[i], t); | |
| 145 } | |
| 146 } | |
| 147 tokens = (String[])t.toArray(new String[0]); | |
| 148 i = 0; | |
| 149 length = tokens.length; | |
| 150 | |
| 151 //for (int i = 0; i < tokens.length; i++) { | |
| 152 // System.out.println("\"" + tokens[i] + "\""); | |
| 153 //} | |
| 154 } | |
| 155 | |
| 156 String nextToken() { | |
| 157 return tokens[i++]; | |
| 158 } | |
| 159 boolean hasMoreTokens() { | |
| 160 return i < length; | |
| 161 } | |
| 162 int countTokens() { | |
| 163 return length - i; | |
| 164 } | |
| 165 void trim(int n) { | |
| 166 if (length >= n) { | |
| 167 length -= n; | |
| 168 } else { | |
| 169 throw new IndexOutOfBoundsException(String.valueOf(n)); | |
| 170 } | |
| 171 } | |
| 172 String join(String sep) { | |
| 173 StringBuffer result = new StringBuffer(); | |
| 174 for (int w = i; w < length; w++) { | |
| 175 result.append(tokens[w]); | |
| 176 if (w + 1 < length) { | |
| 177 result.append(sep); | |
| 178 } | |
| 179 } | |
| 180 return result.toString(); | |
| 181 } | |
| 182 | |
| 183 String at(int i) { | |
| 184 if (i < 0 || i >= length) { | |
| 185 throw new IndexOutOfBoundsException(String.valueOf(i)); | |
| 186 } | |
| 187 return tokens[i]; | |
| 188 } | |
| 189 } | |
| 190 | |
| 191 | |
| 192 abstract class Command { | |
| 193 Command(String n, String u, boolean ok) { | |
| 194 name = n; | |
| 195 usage = u; | |
| 196 okIfDisconnected = ok; | |
| 197 } | |
| 198 | |
| 199 Command(String n, boolean ok) { | |
| 200 name = n; | |
| 201 usage = n; | |
| 202 okIfDisconnected = ok; | |
| 203 } | |
| 204 | |
| 205 final String name; | |
| 206 final String usage; | |
| 207 final boolean okIfDisconnected; | |
| 208 abstract void doit(Tokens t); | |
| 209 void usage() { | |
| 210 out.println("Usage: " + usage); | |
| 211 } | |
| 212 | |
| 213 void printOopValue(Oop oop) { | |
| 214 if (oop != null) { | |
| 215 Klass k = oop.getKlass(); | |
| 216 Symbol s = k.getName(); | |
| 217 if (s != null) { | |
| 218 out.print("Oop for " + s.asString() + " @ "); | |
| 219 } else { | |
| 220 out.print("Oop @ "); | |
| 221 } | |
| 222 Oop.printOopAddressOn(oop, out); | |
| 223 } else { | |
| 224 out.print("null"); | |
| 225 } | |
| 226 } | |
| 227 | |
| 228 void printNode(SimpleTreeNode node) { | |
| 229 int count = node.getChildCount(); | |
| 230 for (int i = 0; i < count; i++) { | |
| 231 try { | |
| 232 SimpleTreeNode field = node.getChild(i); | |
| 233 if (field instanceof OopTreeNodeAdapter) { | |
| 234 out.print(field); | |
| 235 out.print(" "); | |
| 236 printOopValue(((OopTreeNodeAdapter)field).getOop()); | |
| 237 out.println(); | |
| 238 } else { | |
| 239 out.println(field); | |
| 240 } | |
| 241 } catch (Exception e) { | |
| 242 out.println(); | |
| 243 out.println("Error: " + e); | |
| 244 if (verboseExceptions) { | |
| 245 e.printStackTrace(out); | |
| 246 } | |
| 247 } | |
| 248 } | |
| 249 } | |
| 250 } | |
| 251 | |
| 252 void quote(String s) { | |
| 253 if (s.indexOf(" ") == -1) { | |
| 254 out.print(s); | |
| 255 } else { | |
| 256 out.print("\""); | |
| 257 out.print(s); | |
| 258 out.print("\""); | |
| 259 } | |
| 260 } | |
| 261 | |
| 262 void dumpType(Type type) { | |
| 263 out.print("type "); | |
| 264 quote(type.getName()); | |
| 265 out.print(" "); | |
| 266 if (type.getSuperclass() != null) { | |
| 267 quote(type.getSuperclass().getName()); | |
| 268 out.print(" "); | |
| 269 } else { | |
| 270 out.print("null "); | |
| 271 } | |
| 272 out.print(type.isOopType()); | |
| 273 out.print(" "); | |
| 274 if (type.isCIntegerType()) { | |
| 275 out.print("true "); | |
| 276 out.print(((CIntegerType)type).isUnsigned()); | |
| 277 out.print(" "); | |
| 278 } else { | |
| 279 out.print("false false "); | |
| 280 } | |
| 281 out.print(type.getSize()); | |
| 282 out.println(); | |
| 283 } | |
| 284 | |
| 285 void dumpFields(Type type) { | |
| 3939 | 286 dumpFields(type, true); |
| 287 } | |
| 288 | |
| 289 void dumpFields(Type type, boolean allowStatic) { | |
| 0 | 290 Iterator i = type.getFields(); |
| 291 while (i.hasNext()) { | |
| 292 Field f = (Field) i.next(); | |
| 3939 | 293 if (!allowStatic && f.isStatic()) continue; |
| 0 | 294 out.print("field "); |
| 295 quote(type.getName()); | |
| 296 out.print(" "); | |
| 297 out.print(f.getName()); | |
| 298 out.print(" "); | |
| 299 quote(f.getType().getName()); | |
| 300 out.print(" "); | |
| 301 out.print(f.isStatic()); | |
| 302 out.print(" "); | |
| 303 if (f.isStatic()) { | |
| 304 out.print("0 "); | |
| 305 out.print(f.getStaticFieldAddress()); | |
| 306 } else { | |
| 307 out.print(f.getOffset()); | |
| 308 out.print(" 0x0"); | |
| 309 } | |
| 310 out.println(); | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 | |
| 315 Address lookup(String symbol) { | |
| 316 if (symbol.indexOf("::") != -1) { | |
| 317 String[] parts = symbol.split("::"); | |
| 318 StringBuffer mangled = new StringBuffer("__1c"); | |
| 319 for (int i = 0; i < parts.length; i++) { | |
| 320 int len = parts[i].length(); | |
| 321 if (len >= 26) { | |
| 322 mangled.append((char)('a' + (len / 26))); | |
| 323 len = len % 26; | |
| 324 } | |
| 325 mangled.append((char)('A' + len)); | |
| 326 mangled.append(parts[i]); | |
| 327 } | |
| 328 mangled.append("_"); | |
| 329 symbol = mangled.toString(); | |
| 330 } | |
| 331 return VM.getVM().getDebugger().lookup(null, symbol); | |
| 332 } | |
| 333 | |
| 334 Address parseAddress(String addr) { | |
| 335 return VM.getVM().getDebugger().parseAddress(addr); | |
| 336 } | |
| 337 | |
| 338 private final Command[] commandList = { | |
| 339 new Command("reattach", true) { | |
| 340 public void doit(Tokens t) { | |
| 341 int tokens = t.countTokens(); | |
| 342 if (tokens != 0) { | |
| 343 usage(); | |
| 344 return; | |
| 345 } | |
| 346 preAttach(); | |
| 347 debugger.reattach(); | |
| 348 postAttach(); | |
| 349 } | |
| 350 }, | |
| 351 new Command("attach", "attach pid | exec core", true) { | |
| 352 public void doit(Tokens t) { | |
| 353 int tokens = t.countTokens(); | |
| 354 if (tokens == 1) { | |
| 355 preAttach(); | |
| 356 debugger.attach(t.nextToken()); | |
| 357 postAttach(); | |
| 358 } else if (tokens == 2) { | |
| 359 preAttach(); | |
| 360 debugger.attach(t.nextToken(), t.nextToken()); | |
| 361 postAttach(); | |
| 362 } else { | |
| 363 usage(); | |
| 364 } | |
| 365 } | |
| 366 }, | |
| 367 new Command("detach", false) { | |
| 368 public void doit(Tokens t) { | |
| 369 if (t.countTokens() != 0) { | |
| 370 usage(); | |
| 371 } else { | |
| 372 debugger.detach(); | |
| 373 } | |
| 374 } | |
| 375 }, | |
| 376 new Command("examine", "examine [ address/count ] | [ address,address]", false) { | |
| 377 Pattern args1 = Pattern.compile("^(0x[0-9a-f]+)(/([0-9]*)([a-z]*))?$"); | |
| 378 Pattern args2 = Pattern.compile("^(0x[0-9a-f]+),(0x[0-9a-f]+)(/[a-z]*)?$"); | |
| 379 | |
| 380 String fill(Address a, int width) { | |
| 381 String s = "0x0"; | |
| 382 if (a != null) { | |
| 383 s = a.toString(); | |
| 384 } | |
| 385 if (s.length() != width) { | |
| 386 return s.substring(0, 2) + "000000000000000000000".substring(0, width - s.length()) + s.substring(2); | |
| 387 } | |
| 388 return s; | |
| 389 } | |
| 390 | |
| 391 public void doit(Tokens t) { | |
| 392 if (t.countTokens() != 1) { | |
| 393 usage(); | |
| 394 } else { | |
| 395 String arg = t.nextToken(); | |
| 396 Matcher m1 = args1.matcher(arg); | |
| 397 Matcher m2 = args2.matcher(arg); | |
| 398 Address start = null; | |
| 399 Address end = null; | |
| 400 String format = ""; | |
| 401 int formatSize = (int)VM.getVM().getAddressSize(); | |
| 402 | |
| 403 if (m1.matches()) { | |
| 404 start = VM.getVM().getDebugger().parseAddress(m1.group(1)); | |
| 405 int count = 1; | |
| 406 if (m1.group(2) != null) { | |
| 407 count = Integer.parseInt(m1.group(3)); | |
| 408 } | |
| 409 end = start.addOffsetTo(count * formatSize); | |
| 410 } else if (m2.matches()) { | |
| 411 start = VM.getVM().getDebugger().parseAddress(m2.group(1)); | |
| 412 end = VM.getVM().getDebugger().parseAddress(m2.group(2)); | |
| 413 } else { | |
| 414 usage(); | |
| 415 return; | |
| 416 } | |
| 417 int line = 80; | |
| 418 int formatWidth = formatSize * 8 / 4 + 2; | |
| 419 | |
| 420 out.print(fill(start, formatWidth)); | |
| 421 out.print(": "); | |
| 422 int width = line - formatWidth - 2; | |
| 423 | |
| 424 boolean needsPrintln = true; | |
| 425 while (start != null && start.lessThan(end)) { | |
| 426 Address val = start.getAddressAt(0); | |
| 427 out.print(fill(val, formatWidth)); | |
| 428 needsPrintln = true; | |
| 429 width -= formatWidth; | |
| 430 start = start.addOffsetTo(formatSize); | |
| 431 if (width <= formatWidth) { | |
| 432 out.println(); | |
| 433 needsPrintln = false; | |
| 434 if (start.lessThan(end)) { | |
| 435 out.print(fill(start, formatWidth)); | |
| 436 out.print(": "); | |
| 437 width = line - formatWidth - 2; | |
| 438 } | |
| 439 } else { | |
| 440 out.print(" "); | |
| 441 width -= 1; | |
| 442 } | |
| 443 } | |
| 444 if (needsPrintln) { | |
| 445 out.println(); | |
| 446 } | |
| 447 } | |
| 448 } | |
| 449 }, | |
| 450 new Command("findpc", "findpc address", false) { | |
| 451 public void doit(Tokens t) { | |
| 452 if (t.countTokens() != 1) { | |
| 453 usage(); | |
| 454 } else { | |
| 455 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 456 PointerLocation loc = PointerFinder.find(a); | |
| 457 loc.printOn(out); | |
| 458 } | |
| 459 } | |
| 460 }, | |
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461 new Command("symbol", "symbol address", false) { |
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462 public void doit(Tokens t) { |
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463 if (t.countTokens() != 1) { |
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464 usage(); |
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465 } else { |
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466 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); |
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467 Symbol.create(a).printValueOn(out); |
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468 out.println(); |
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469 } |
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470 } |
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471 }, |
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472 new Command("symboltable", "symboltable name", false) { |
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473 public void doit(Tokens t) { |
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474 if (t.countTokens() != 1) { |
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475 usage(); |
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476 } else { |
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477 out.println(SymbolTable.getTheTable().probe(t.nextToken())); |
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478 } |
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479 } |
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480 }, |
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481 new Command("symboldump", "symboldump", false) { |
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482 public void doit(Tokens t) { |
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483 SymbolTable.getTheTable().symbolsDo(new SymbolTable.SymbolVisitor() { |
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484 public void visit(Symbol sym) { |
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485 sym.printValueOn(out); |
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486 out.println(); |
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487 } |
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488 }); |
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489 } |
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490 }, |
| 3939 | 491 new Command("flags", "flags [ flag | -nd ]", false) { |
| 0 | 492 public void doit(Tokens t) { |
| 493 int tokens = t.countTokens(); | |
| 494 if (tokens != 0 && tokens != 1) { | |
| 495 usage(); | |
| 496 } else { | |
| 497 String name = tokens > 0 ? t.nextToken() : null; | |
| 3939 | 498 boolean nonDefault = false; |
| 499 if (name != null && name.equals("-nd")) { | |
| 500 name = null; | |
| 501 nonDefault = true; | |
| 502 } | |
| 0 | 503 |
| 504 VM.Flag[] flags = VM.getVM().getCommandLineFlags(); | |
| 505 if (flags == null) { | |
| 506 out.println("Command Flag info not available (use 1.4.1_03 or later)!"); | |
| 507 } else { | |
| 508 boolean printed = false; | |
| 509 for (int f = 0; f < flags.length; f++) { | |
| 510 VM.Flag flag = flags[f]; | |
| 511 if (name == null || flag.getName().equals(name)) { | |
| 3939 | 512 |
| 513 if (nonDefault && flag.getOrigin() == 0) { | |
| 514 // only print flags which aren't their defaults | |
| 515 continue; | |
| 516 } | |
| 517 out.println(flag.getName() + " = " + flag.getValue() + " " + flag.getOrigin()); | |
| 0 | 518 printed = true; |
| 519 } | |
| 520 } | |
| 521 if (name != null && !printed) { | |
| 522 out.println("Couldn't find flag: " + name); | |
| 523 } | |
| 524 } | |
| 525 } | |
| 526 } | |
| 527 }, | |
| 528 new Command("help", "help [ command ]", true) { | |
| 529 public void doit(Tokens t) { | |
| 530 int tokens = t.countTokens(); | |
| 531 Command cmd = null; | |
| 532 if (tokens == 1) { | |
| 533 cmd = findCommand(t.nextToken()); | |
| 534 } | |
| 535 | |
| 536 if (cmd != null) { | |
| 537 cmd.usage(); | |
| 538 } else if (tokens == 0) { | |
| 539 out.println("Available commands:"); | |
| 540 Object[] keys = commands.keySet().toArray(); | |
| 541 Arrays.sort(keys, new Comparator() { | |
| 542 public int compare(Object o1, Object o2) { | |
| 543 return o1.toString().compareTo(o2.toString()); | |
| 544 } | |
| 545 }); | |
| 546 for (int i = 0; i < keys.length; i++) { | |
| 547 out.print(" "); | |
| 548 out.println(((Command)commands.get(keys[i])).usage); | |
| 549 } | |
| 550 } | |
| 551 } | |
| 552 }, | |
| 553 new Command("history", "history", true) { | |
| 554 public void doit(Tokens t) { | |
| 555 int tokens = t.countTokens(); | |
| 556 if (tokens != 0 && (tokens != 1 || !t.nextToken().equals("-h"))) { | |
| 557 usage(); | |
| 558 return; | |
| 559 } | |
| 560 boolean printIndex = tokens == 0; | |
| 561 for (int i = 0; i < history.size(); i++) { | |
| 562 if (printIndex) out.print(i + " "); | |
| 563 out.println(history.get(i)); | |
| 564 } | |
| 565 } | |
| 566 }, | |
| 1385 | 567 new Command("revptrs", "revptrs address", false) { |
| 568 public void doit(Tokens t) { | |
| 569 int tokens = t.countTokens(); | |
| 570 if (tokens != 1 && (tokens != 2 || !t.nextToken().equals("-c"))) { | |
| 571 usage(); | |
| 572 return; | |
| 573 } | |
| 574 boolean chase = tokens == 2; | |
| 575 ReversePtrs revptrs = VM.getVM().getRevPtrs(); | |
| 576 if (revptrs == null) { | |
| 577 out.println("Computing reverse pointers..."); | |
| 578 ReversePtrsAnalysis analysis = new ReversePtrsAnalysis(); | |
| 579 final boolean[] complete = new boolean[1]; | |
| 580 HeapProgressThunk thunk = new HeapProgressThunk() { | |
| 581 public void heapIterationFractionUpdate(double d) {} | |
| 582 public synchronized void heapIterationComplete() { | |
| 583 complete[0] = true; | |
| 584 notify(); | |
| 585 } | |
| 586 }; | |
| 587 analysis.setHeapProgressThunk(thunk); | |
| 588 analysis.run(); | |
| 589 while (!complete[0]) { | |
| 590 synchronized (thunk) { | |
| 591 try { | |
| 592 thunk.wait(); | |
| 593 } catch (Exception e) { | |
| 594 } | |
| 595 } | |
| 596 } | |
| 597 revptrs = VM.getVM().getRevPtrs(); | |
| 598 out.println("Done."); | |
| 599 } | |
| 600 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 601 if (VM.getVM().getUniverse().heap().isInReserved(a)) { | |
| 602 OopHandle handle = a.addOffsetToAsOopHandle(0); | |
| 603 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
| 604 ArrayList ptrs = revptrs.get(oop); | |
| 605 if (ptrs == null) { | |
| 606 out.println("no live references to " + a); | |
| 607 } else { | |
| 608 if (chase) { | |
| 609 while (ptrs.size() == 1) { | |
| 610 LivenessPathElement e = (LivenessPathElement)ptrs.get(0); | |
| 611 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 612 Oop.printOopValueOn(e.getObj(), new PrintStream(bos)); | |
| 613 out.println(bos.toString()); | |
| 614 ptrs = revptrs.get(e.getObj()); | |
| 615 } | |
| 616 } else { | |
| 617 for (int i = 0; i < ptrs.size(); i++) { | |
| 618 LivenessPathElement e = (LivenessPathElement)ptrs.get(i); | |
| 619 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 620 Oop.printOopValueOn(e.getObj(), new PrintStream(bos)); | |
| 621 out.println(bos.toString()); | |
| 622 oop = e.getObj(); | |
| 623 } | |
| 624 } | |
| 625 } | |
| 626 } | |
| 627 } | |
| 628 }, | |
| 3939 | 629 new Command("printmdo", "printmdo [ -a | expression ]", false) { |
| 630 // Print every MDO in the heap or the one referenced by expression. | |
| 631 public void doit(Tokens t) { | |
| 632 if (t.countTokens() != 1) { | |
| 633 usage(); | |
| 634 } else { | |
| 635 String s = t.nextToken(); | |
| 636 if (s.equals("-a")) { | |
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637 SystemDictionary sysDict = VM.getVM().getSystemDictionary(); |
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638 sysDict.allClassesDo(new SystemDictionary.ClassVisitor() { |
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639 public void visit(Klass k) { |
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640 if (k instanceof InstanceKlass) { |
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641 MethodArray methods = ((InstanceKlass)k).getMethods(); |
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642 for (int i = 0; i < methods.length(); i++) { |
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643 Method m = methods.at(i); |
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644 MethodData mdo = m.getMethodData(); |
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645 if (mdo != null) { |
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646 out.println("MethodData " + mdo.getAddress() + " for " + |
| 3939 | 647 "method " + m.getMethodHolder().getName().asString() + "." + |
| 648 m.getName().asString() + | |
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649 m.getSignature().asString() + "@" + m.getAddress()); |
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650 mdo.printDataOn(out); |
| 3939 | 651 } |
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652 } |
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653 } |
| 3939 | 654 } |
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655 } |
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656 ); |
| 3939 | 657 } else { |
| 658 Address a = VM.getVM().getDebugger().parseAddress(s); | |
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659 MethodData mdo = (MethodData) Metadata.instantiateWrapperFor(a); |
| 3939 | 660 mdo.printDataOn(out); |
| 661 } | |
| 662 } | |
| 663 } | |
| 664 }, | |
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665 new Command("printall", "printall", false) { |
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666 // Print every MDO in the heap or the one referenced by expression. |
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667 public void doit(Tokens t) { |
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668 if (t.countTokens() != 0) { |
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669 usage(); |
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670 } else { |
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671 SystemDictionary sysDict = VM.getVM().getSystemDictionary(); |
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672 sysDict.allClassesDo(new SystemDictionary.ClassVisitor() { |
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673 public void visit(Klass k) { |
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674 if (k instanceof InstanceKlass && ((InstanceKlass)k).getConstants().getCache() != null) { |
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675 MethodArray methods = ((InstanceKlass)k).getMethods(); |
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676 for (int i = 0; i < methods.length(); i++) { |
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677 Method m = methods.at(i); |
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678 HTMLGenerator gen = new HTMLGenerator(false); |
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679 out.println(gen.genHTML(m)); |
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680 } |
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681 } |
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682 } |
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683 } |
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684 ); |
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685 } |
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686 } |
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687 }, |
| 3939 | 688 new Command("dumpideal", "dumpideal { -a | id }", false) { |
| 689 // Do a full dump of the nodes reachabile from root in each compiler thread. | |
| 690 public void doit(Tokens t) { | |
| 691 if (t.countTokens() != 1) { | |
| 692 usage(); | |
| 693 } else { | |
| 694 String name = t.nextToken(); | |
| 695 boolean all = name.equals("-a"); | |
| 696 Threads threads = VM.getVM().getThreads(); | |
| 697 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 698 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 699 thread.printThreadIDOn(new PrintStream(bos)); | |
| 700 if (all || bos.toString().equals(name)) { | |
| 701 if (thread instanceof CompilerThread) { | |
| 702 CompilerThread ct = (CompilerThread)thread; | |
| 703 out.println(ct); | |
| 704 ciEnv env = ct.env(); | |
| 705 if (env != null) { | |
| 706 Compile c = env.compilerData(); | |
| 707 c.root().dump(9999, out); | |
| 708 } else { | |
| 709 out.println(" not compiling"); | |
| 710 } | |
| 711 } | |
| 712 } | |
| 713 } | |
| 714 } | |
| 715 } | |
| 716 }, | |
| 717 new Command("dumpcfg", "dumpcfg { -a | id }", false) { | |
| 718 // Dump the PhaseCFG for every compiler thread that has one live. | |
| 719 public void doit(Tokens t) { | |
| 720 if (t.countTokens() != 1) { | |
| 721 usage(); | |
| 722 } else { | |
| 723 String name = t.nextToken(); | |
| 724 boolean all = name.equals("-a"); | |
| 725 Threads threads = VM.getVM().getThreads(); | |
| 726 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 727 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 728 thread.printThreadIDOn(new PrintStream(bos)); | |
| 729 if (all || bos.toString().equals(name)) { | |
| 730 if (thread instanceof CompilerThread) { | |
| 731 CompilerThread ct = (CompilerThread)thread; | |
| 732 out.println(ct); | |
| 733 ciEnv env = ct.env(); | |
| 734 if (env != null) { | |
| 735 Compile c = env.compilerData(); | |
| 736 c.cfg().dump(out); | |
| 737 } | |
| 738 } | |
| 739 } | |
| 740 } | |
| 741 } | |
| 742 } | |
| 743 }, | |
| 744 new Command("dumpilt", "dumpilt { -a | id }", false) { | |
| 745 // dumps the InlineTree of a C2 compile | |
| 746 public void doit(Tokens t) { | |
| 747 if (t.countTokens() != 1) { | |
| 748 usage(); | |
| 749 } else { | |
| 750 String name = t.nextToken(); | |
| 751 boolean all = name.equals("-a"); | |
| 752 Threads threads = VM.getVM().getThreads(); | |
| 753 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 754 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 755 thread.printThreadIDOn(new PrintStream(bos)); | |
| 756 if (all || bos.toString().equals(name)) { | |
| 757 if (thread instanceof CompilerThread) { | |
| 758 CompilerThread ct = (CompilerThread)thread; | |
| 759 ciEnv env = ct.env(); | |
| 760 if (env != null) { | |
| 761 Compile c = env.compilerData(); | |
| 762 InlineTree ilt = c.ilt(); | |
| 763 if (ilt != null) { | |
| 764 ilt.print(out); | |
| 765 } | |
| 766 } | |
| 767 } | |
| 768 } | |
| 769 } | |
| 770 } | |
| 771 } | |
| 772 }, | |
| 773 new Command("vmstructsdump", "vmstructsdump", false) { | |
| 774 public void doit(Tokens t) { | |
| 775 if (t.countTokens() != 0) { | |
| 776 usage(); | |
| 777 return; | |
| 778 } | |
| 779 | |
| 780 // Dump a copy of the type database in a form that can | |
| 781 // be read back. | |
| 782 Iterator i = agent.getTypeDataBase().getTypes(); | |
| 783 // Make sure the types are emitted in an order than can be read back in | |
| 784 HashSet emitted = new HashSet(); | |
| 785 Stack pending = new Stack(); | |
| 786 while (i.hasNext()) { | |
| 787 Type n = (Type)i.next(); | |
| 788 if (emitted.contains(n.getName())) { | |
| 789 continue; | |
| 790 } | |
| 791 | |
| 792 while (n != null && !emitted.contains(n.getName())) { | |
| 793 pending.push(n); | |
| 794 n = n.getSuperclass(); | |
| 795 } | |
| 796 while (!pending.empty()) { | |
| 797 n = (Type)pending.pop(); | |
| 798 dumpType(n); | |
| 799 emitted.add(n.getName()); | |
| 800 } | |
| 801 } | |
| 802 i = agent.getTypeDataBase().getTypes(); | |
| 803 while (i.hasNext()) { | |
| 804 dumpFields((Type)i.next(), false); | |
| 805 } | |
| 806 } | |
| 807 }, | |
| 808 | |
| 0 | 809 new Command("inspect", "inspect expression", false) { |
| 810 public void doit(Tokens t) { | |
| 811 if (t.countTokens() != 1) { | |
| 812 usage(); | |
| 813 } else { | |
| 814 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 815 SimpleTreeNode node = null; | |
| 816 if (VM.getVM().getUniverse().heap().isInReserved(a)) { | |
| 817 OopHandle handle = a.addOffsetToAsOopHandle(0); | |
| 818 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
| 819 node = new OopTreeNodeAdapter(oop, null); | |
| 820 | |
| 821 out.println("instance of " + node.getValue() + " @ " + a + | |
| 822 " (size = " + oop.getObjectSize() + ")"); | |
| 823 } else if (VM.getVM().getCodeCache().contains(a)) { | |
| 824 CodeBlob blob = VM.getVM().getCodeCache().findBlobUnsafe(a); | |
| 825 a = blob.headerBegin(); | |
| 826 } | |
| 827 if (node == null) { | |
| 828 Type type = VM.getVM().getTypeDataBase().guessTypeForAddress(a); | |
| 829 if (type != null) { | |
| 830 out.println("Type is " + type.getName() + " (size of " + type.getSize() + ")"); | |
| 831 node = new CTypeTreeNodeAdapter(a, type, null); | |
| 832 } | |
| 833 } | |
| 834 if (node != null) { | |
| 835 printNode(node); | |
| 836 } | |
| 837 } | |
| 838 } | |
| 839 }, | |
| 840 new Command("jhisto", "jhisto", false) { | |
| 841 public void doit(Tokens t) { | |
| 842 ObjectHistogram histo = new ObjectHistogram(); | |
| 843 histo.run(out, err); | |
| 844 } | |
| 845 }, | |
| 846 new Command("jstack", "jstack [-v]", false) { | |
| 847 public void doit(Tokens t) { | |
| 848 boolean verbose = false; | |
| 849 if (t.countTokens() > 0 && t.nextToken().equals("-v")) { | |
| 850 verbose = true; | |
| 851 } | |
| 852 StackTrace jstack = new StackTrace(verbose, true); | |
| 853 jstack.run(out); | |
| 854 } | |
| 855 }, | |
| 856 new Command("print", "print expression", false) { | |
| 857 public void doit(Tokens t) { | |
| 858 if (t.countTokens() != 1) { | |
| 859 usage(); | |
| 860 } else { | |
| 861 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 862 HTMLGenerator gen = new HTMLGenerator(false); | |
| 863 out.println(gen.genHTML(a)); | |
| 864 } | |
| 865 } | |
| 866 }, | |
| 867 new Command("printas", "printas type expression", false) { | |
| 868 public void doit(Tokens t) { | |
| 869 if (t.countTokens() != 2) { | |
| 870 usage(); | |
| 871 } else { | |
| 872 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 873 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 874 CTypeTreeNodeAdapter node = new CTypeTreeNodeAdapter(a, type, null); | |
| 875 | |
| 876 out.println("pointer to " + type + " @ " + a + | |
| 877 " (size = " + type.getSize() + ")"); | |
| 878 printNode(node); | |
| 879 } | |
| 880 } | |
| 881 }, | |
| 882 new Command("printstatics", "printstatics [ type ]", false) { | |
| 883 public void doit(Tokens t) { | |
| 884 if (t.countTokens() > 1) { | |
| 885 usage(); | |
| 886 } else { | |
| 887 if (t.countTokens() == 0) { | |
| 888 out.println("All known static fields"); | |
| 889 printNode(new CTypeTreeNodeAdapter(agent.getTypeDataBase().getTypes())); | |
| 890 } else { | |
| 891 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 892 out.println("Static fields of " + type.getName()); | |
| 893 printNode(new CTypeTreeNodeAdapter(type)); | |
| 894 } | |
| 895 } | |
| 896 } | |
| 897 }, | |
| 898 new Command("pmap", "pmap", false) { | |
| 899 public void doit(Tokens t) { | |
| 900 PMap pmap = new PMap(); | |
| 901 pmap.run(out, debugger.getAgent().getDebugger()); | |
| 902 } | |
| 903 }, | |
| 904 new Command("pstack", "pstack [-v]", false) { | |
| 905 public void doit(Tokens t) { | |
| 906 boolean verbose = false; | |
| 907 if (t.countTokens() > 0 && t.nextToken().equals("-v")) { | |
| 908 verbose = true; | |
| 909 } | |
| 910 PStack pstack = new PStack(verbose, true); | |
| 911 pstack.run(out, debugger.getAgent().getDebugger()); | |
| 912 } | |
| 913 }, | |
| 914 new Command("quit", true) { | |
| 915 public void doit(Tokens t) { | |
| 916 if (t.countTokens() != 0) { | |
| 917 usage(); | |
| 918 } else { | |
| 919 debugger.detach(); | |
| 920 System.exit(0); | |
| 921 } | |
| 922 } | |
| 923 }, | |
| 924 new Command("echo", "echo [ true | false ]", true) { | |
| 925 public void doit(Tokens t) { | |
| 926 if (t.countTokens() == 0) { | |
| 927 out.println("echo is " + doEcho); | |
| 928 } else if (t.countTokens() == 1) { | |
| 929 doEcho = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 930 } else { | |
| 931 usage(); | |
| 932 } | |
| 933 } | |
| 934 }, | |
| 935 new Command("versioncheck", "versioncheck [ true | false ]", true) { | |
| 936 public void doit(Tokens t) { | |
| 937 if (t.countTokens() == 0) { | |
| 938 out.println("versioncheck is " + | |
| 939 (System.getProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck") == null)); | |
| 940 } else if (t.countTokens() == 1) { | |
| 941 if (Boolean.valueOf(t.nextToken()).booleanValue()) { | |
| 942 System.setProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck", null); | |
| 943 } else { | |
| 944 System.setProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck", "true"); | |
| 945 } | |
| 946 } else { | |
| 947 usage(); | |
| 948 } | |
| 949 } | |
| 950 }, | |
| 951 new Command("scanoops", "scanoops start end [ type ]", false) { | |
| 952 public void doit(Tokens t) { | |
| 953 if (t.countTokens() != 2 && t.countTokens() != 3) { | |
| 954 usage(); | |
| 955 } else { | |
| 956 long stride = VM.getVM().getAddressSize(); | |
| 957 Address base = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 958 Address end = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 959 Klass klass = null; | |
| 960 if (t.countTokens() == 1) { | |
| 961 klass = SystemDictionaryHelper.findInstanceKlass(t.nextToken()); | |
| 962 } | |
| 963 while (base != null && base.lessThan(end)) { | |
| 964 long step = stride; | |
| 965 OopHandle handle = base.addOffsetToAsOopHandle(0); | |
| 966 if (RobustOopDeterminator.oopLooksValid(handle)) { | |
| 967 try { | |
| 968 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
| 969 if (klass == null || oop.getKlass().isSubtypeOf(klass)) | |
| 970 out.println(handle.toString() + " " + oop.getKlass().getName().asString()); | |
| 971 step = oop.getObjectSize(); | |
| 972 } catch (UnknownOopException ex) { | |
| 973 // ok | |
| 974 } catch (RuntimeException ex) { | |
| 975 ex.printStackTrace(); | |
| 976 } | |
| 977 } | |
| 978 base = base.addOffsetTo(step); | |
| 979 } | |
| 980 } | |
| 981 } | |
| 982 }, | |
| 3939 | 983 new Command("intConstant", "intConstant [ name [ value ] ]", true) { |
| 984 public void doit(Tokens t) { | |
| 985 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 2) { | |
| 986 usage(); | |
| 987 return; | |
| 988 } | |
| 989 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
| 990 if (t.countTokens() == 1) { | |
| 991 out.println("intConstant " + name + " " + db.lookupIntConstant(name)); | |
| 992 } else if (t.countTokens() == 0) { | |
| 993 Iterator i = db.getIntConstants(); | |
| 994 while (i.hasNext()) { | |
| 995 String name = (String)i.next(); | |
| 996 out.println("intConstant " + name + " " + db.lookupIntConstant(name)); | |
| 997 } | |
| 998 } else if (t.countTokens() == 2) { | |
| 999 String name = t.nextToken(); | |
| 1000 Integer value = Integer.valueOf(t.nextToken()); | |
| 1001 db.addIntConstant(name, value); | |
| 1002 } | |
| 1003 } | |
| 1004 }, | |
| 1005 new Command("longConstant", "longConstant [ name [ value ] ]", true) { | |
| 1006 public void doit(Tokens t) { | |
| 1007 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 2) { | |
| 1008 usage(); | |
| 1009 return; | |
| 1010 } | |
| 1011 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
| 1012 if (t.countTokens() == 1) { | |
| 1013 out.println("longConstant " + name + " " + db.lookupLongConstant(name)); | |
| 1014 } else if (t.countTokens() == 0) { | |
| 1015 Iterator i = db.getLongConstants(); | |
| 1016 while (i.hasNext()) { | |
| 1017 String name = (String)i.next(); | |
| 1018 out.println("longConstant " + name + " " + db.lookupLongConstant(name)); | |
| 1019 } | |
| 1020 } else if (t.countTokens() == 2) { | |
| 1021 String name = t.nextToken(); | |
| 1022 Long value = Long.valueOf(t.nextToken()); | |
| 1023 db.addLongConstant(name, value); | |
| 1024 } | |
| 1025 } | |
| 1026 }, | |
| 0 | 1027 new Command("field", "field [ type [ name fieldtype isStatic offset address ] ]", true) { |
| 1028 public void doit(Tokens t) { | |
| 1029 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 6) { | |
| 1030 usage(); | |
| 1031 return; | |
| 1032 } | |
| 1033 if (t.countTokens() == 1) { | |
| 1034 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 1035 dumpFields(type); | |
| 1036 } else if (t.countTokens() == 0) { | |
| 1037 Iterator i = agent.getTypeDataBase().getTypes(); | |
| 1038 while (i.hasNext()) { | |
| 1039 dumpFields((Type)i.next()); | |
| 1040 } | |
| 1041 } else { | |
| 1042 BasicType containingType = (BasicType)agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 1043 | |
| 1044 String fieldName = t.nextToken(); | |
| 1045 | |
| 1046 // The field's Type must already be in the database -- no exceptions | |
| 1047 Type fieldType = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 1048 | |
| 1049 boolean isStatic = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1050 long offset = Long.parseLong(t.nextToken()); | |
| 1051 Address staticAddress = parseAddress(t.nextToken()); | |
| 1052 if (isStatic && staticAddress == null) { | |
| 1053 staticAddress = lookup(containingType.getName() + "::" + fieldName); | |
| 1054 } | |
| 1055 | |
| 1056 // check to see if the field already exists | |
| 1057 Iterator i = containingType.getFields(); | |
| 1058 while (i.hasNext()) { | |
| 1059 Field f = (Field) i.next(); | |
| 1060 if (f.getName().equals(fieldName)) { | |
| 1061 if (f.isStatic() != isStatic) { | |
| 1062 throw new RuntimeException("static/nonstatic mismatch: " + t.input); | |
| 1063 } | |
| 1064 if (!isStatic) { | |
| 1065 if (f.getOffset() != offset) { | |
| 1066 throw new RuntimeException("bad redefinition of field offset: " + t.input); | |
| 1067 } | |
| 1068 } else { | |
| 1069 if (!f.getStaticFieldAddress().equals(staticAddress)) { | |
| 1070 throw new RuntimeException("bad redefinition of field location: " + t.input); | |
| 1071 } | |
| 1072 } | |
| 1073 if (f.getType() != fieldType) { | |
| 1074 throw new RuntimeException("bad redefinition of field type: " + t.input); | |
| 1075 } | |
| 1076 return; | |
| 1077 } | |
| 1078 } | |
| 1079 | |
| 1080 // Create field by type | |
| 1081 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
| 1082 db.createField(containingType, | |
| 1083 fieldName, fieldType, | |
| 1084 isStatic, | |
| 1085 offset, | |
| 1086 staticAddress); | |
| 1087 | |
| 1088 } | |
| 1089 } | |
| 1090 | |
| 1091 }, | |
| 1092 new Command("tokenize", "tokenize ...", true) { | |
| 1093 public void doit(Tokens t) { | |
| 1094 while (t.hasMoreTokens()) { | |
| 1095 out.println("\"" + t.nextToken() + "\""); | |
| 1096 } | |
| 1097 } | |
| 1098 }, | |
| 1099 new Command("type", "type [ type [ name super isOop isInteger isUnsigned size ] ]", true) { | |
| 1100 public void doit(Tokens t) { | |
| 1101 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 6) { | |
| 1102 usage(); | |
| 1103 return; | |
| 1104 } | |
| 1105 if (t.countTokens() == 6) { | |
| 1106 String typeName = t.nextToken(); | |
| 1107 String superclassName = t.nextToken(); | |
| 1108 if (superclassName.equals("null")) { | |
| 1109 superclassName = null; | |
| 1110 } | |
| 1111 boolean isOop = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1112 boolean isInteger = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1113 boolean isUnsigned = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1114 long size = Long.parseLong(t.nextToken()); | |
| 1115 | |
| 1116 BasicType type = null; | |
| 1117 try { | |
| 1118 type = (BasicType)agent.getTypeDataBase().lookupType(typeName); | |
| 1119 } catch (RuntimeException e) { | |
| 1120 } | |
| 1121 if (type != null) { | |
| 1122 if (type.isOopType() != isOop) { | |
| 1123 throw new RuntimeException("oop mismatch in type definition: " + t.input); | |
| 1124 } | |
| 1125 if (type.isCIntegerType() != isInteger) { | |
| 1126 throw new RuntimeException("integer type mismatch in type definition: " + t.input); | |
| 1127 } | |
| 1128 if (type.isCIntegerType() && (((CIntegerType)type).isUnsigned()) != isUnsigned) { | |
| 1129 throw new RuntimeException("unsigned mismatch in type definition: " + t.input); | |
| 1130 } | |
| 1131 if (type.getSuperclass() == null) { | |
| 1132 if (superclassName != null) { | |
| 1133 if (type.getSize() == -1) { | |
| 1134 type.setSuperclass(agent.getTypeDataBase().lookupType(superclassName)); | |
| 1135 } else { | |
| 1136 throw new RuntimeException("unexpected superclass in type definition: " + t.input); | |
| 1137 } | |
| 1138 } | |
| 1139 } else { | |
| 1140 if (superclassName == null) { | |
| 1141 throw new RuntimeException("missing superclass in type definition: " + t.input); | |
| 1142 } | |
| 1143 if (!type.getSuperclass().getName().equals(superclassName)) { | |
| 1144 throw new RuntimeException("incorrect superclass in type definition: " + t.input); | |
| 1145 } | |
| 1146 } | |
| 1147 if (type.getSize() != size) { | |
| 1148 if (type.getSize() == -1) { | |
| 1149 type.setSize(size); | |
| 1150 } | |
| 1151 throw new RuntimeException("size mismatch in type definition: " + t.input); | |
| 1152 } | |
| 1153 return; | |
| 1154 } | |
| 1155 | |
| 1156 // Create type | |
| 1157 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
| 1158 db.createType(typeName, superclassName, isOop, isInteger, isUnsigned, size); | |
| 1159 } else if (t.countTokens() == 1) { | |
| 1160 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 1161 dumpType(type); | |
| 1162 } else { | |
| 1163 Iterator i = agent.getTypeDataBase().getTypes(); | |
| 1385 | 1164 // Make sure the types are emitted in an order than can be read back in |
| 1165 HashSet emitted = new HashSet(); | |
| 1166 Stack pending = new Stack(); | |
| 0 | 1167 while (i.hasNext()) { |
| 1385 | 1168 Type n = (Type)i.next(); |
| 1169 if (emitted.contains(n.getName())) { | |
| 1170 continue; | |
| 1171 } | |
| 1172 | |
| 1173 while (n != null && !emitted.contains(n.getName())) { | |
| 1174 pending.push(n); | |
| 1175 n = n.getSuperclass(); | |
| 1176 } | |
| 1177 while (!pending.empty()) { | |
| 1178 n = (Type)pending.pop(); | |
| 1179 dumpType(n); | |
| 1180 emitted.add(n.getName()); | |
| 1181 } | |
| 0 | 1182 } |
| 1183 } | |
| 1184 } | |
| 1185 | |
| 1186 }, | |
| 1187 new Command("source", "source filename", true) { | |
| 1188 public void doit(Tokens t) { | |
| 1189 if (t.countTokens() != 1) { | |
| 1190 usage(); | |
| 1191 return; | |
| 1192 } | |
| 1193 String file = t.nextToken(); | |
| 1194 BufferedReader savedInput = in; | |
| 1195 try { | |
| 1196 BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(file))); | |
| 1197 in = input; | |
| 1198 run(false); | |
| 1199 } catch (Exception e) { | |
| 1200 out.println("Error: " + e); | |
| 1201 if (verboseExceptions) { | |
| 1202 e.printStackTrace(out); | |
| 1203 } | |
| 1204 } finally { | |
| 1205 in = savedInput; | |
| 1206 } | |
| 1207 | |
| 1208 } | |
| 1209 }, | |
| 1385 | 1210 new Command("search", "search [ heap | perm | rawheap | codecache | threads ] value", false) { |
| 0 | 1211 public void doit(Tokens t) { |
| 1212 if (t.countTokens() != 2) { | |
| 1213 usage(); | |
| 1385 | 1214 return; |
| 1215 } | |
| 1216 String type = t.nextToken(); | |
| 1217 final Address value = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 1218 final long stride = VM.getVM().getAddressSize(); | |
| 1219 if (type.equals("threads")) { | |
| 1220 Threads threads = VM.getVM().getThreads(); | |
| 1221 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 1222 Address base = thread.getBaseOfStackPointer(); | |
| 1223 Address end = thread.getLastJavaSP(); | |
| 1224 if (end == null) continue; | |
| 1225 if (end.lessThan(base)) { | |
| 1226 Address tmp = base; | |
| 1227 base = end; | |
| 1228 end = tmp; | |
| 1229 } | |
| 1230 out.println("Searching " + base + " " + end); | |
| 1231 while (base != null && base.lessThan(end)) { | |
| 1232 Address val = base.getAddressAt(0); | |
| 1233 if (AddressOps.equal(val, value)) { | |
| 1234 out.println(base); | |
| 1235 } | |
| 1236 base = base.addOffsetTo(stride); | |
| 1237 } | |
| 1238 } | |
| 1239 } else if (type.equals("rawheap")) { | |
| 1240 RawHeapVisitor iterator = new RawHeapVisitor() { | |
| 1241 public void prologue(long used) { | |
| 0 | 1242 } |
| 1385 | 1243 |
| 1244 public void visitAddress(Address addr) { | |
| 1245 Address val = addr.getAddressAt(0); | |
| 0 | 1246 if (AddressOps.equal(val, value)) { |
| 1385 | 1247 out.println("found at " + addr); |
| 0 | 1248 } |
| 1385 | 1249 } |
| 1250 public void visitCompOopAddress(Address addr) { | |
| 1251 Address val = addr.getCompOopAddressAt(0); | |
| 1252 if (AddressOps.equal(val, value)) { | |
| 1253 out.println("found at " + addr); | |
| 1254 } | |
| 0 | 1255 } |
| 1385 | 1256 public void epilogue() { |
| 1257 } | |
| 1258 }; | |
| 1259 VM.getVM().getObjectHeap().iterateRaw(iterator); | |
|
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1260 } else if (type.equals("heap")) { |
| 1385 | 1261 HeapVisitor iterator = new DefaultHeapVisitor() { |
| 1262 public boolean doObj(Oop obj) { | |
| 1263 int index = 0; | |
| 1264 Address start = obj.getHandle(); | |
| 1265 long end = obj.getObjectSize(); | |
| 1266 while (index < end) { | |
| 1267 Address val = start.getAddressAt(index); | |
| 0 | 1268 if (AddressOps.equal(val, value)) { |
| 1385 | 1269 out.println("found in " + obj.getHandle()); |
| 1270 break; | |
| 0 | 1271 } |
| 1385 | 1272 index += 4; |
| 0 | 1273 } |
| 1385 | 1274 return false; |
| 1275 } | |
| 1276 }; | |
| 1277 VM.getVM().getObjectHeap().iterate(iterator); | |
| 1278 } else if (type.equals("codecache")) { | |
| 1279 CodeCacheVisitor v = new CodeCacheVisitor() { | |
| 1280 public void prologue(Address start, Address end) { | |
| 1281 } | |
| 1282 public void visit(CodeBlob blob) { | |
| 1283 boolean printed = false; | |
| 1284 Address base = blob.getAddress(); | |
| 1285 Address end = base.addOffsetTo(blob.getSize()); | |
| 1286 while (base != null && base.lessThan(end)) { | |
| 1287 Address val = base.getAddressAt(0); | |
| 1288 if (AddressOps.equal(val, value)) { | |
| 1289 if (!printed) { | |
| 1290 printed = true; | |
|
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1291 try { |
|
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1292 blob.printOn(out); |
|
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1293 } catch (Exception e) { |
|
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|
1294 out.println("Exception printing blob at " + base); |
|
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1295 e.printStackTrace(); |
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|
1296 } |
| 0 | 1297 } |
| 1385 | 1298 out.println("found at " + base + "\n"); |
| 0 | 1299 } |
| 1385 | 1300 base = base.addOffsetTo(stride); |
| 0 | 1301 } |
| 1385 | 1302 } |
| 1303 public void epilogue() { | |
| 1304 } | |
| 0 | 1305 |
| 1306 | |
| 1385 | 1307 }; |
| 1308 VM.getVM().getCodeCache().iterate(v); | |
| 0 | 1309 |
| 1310 } | |
| 1311 } | |
| 1312 }, | |
|
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1313 new Command("dumpcodecache", "dumpcodecache", false) { |
|
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1314 public void doit(Tokens t) { |
|
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1315 if (t.countTokens() != 0) { |
|
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1316 usage(); |
|
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1317 } else { |
|
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1318 final PrintStream fout = out; |
|
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1319 final HTMLGenerator gen = new HTMLGenerator(false); |
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1320 CodeCacheVisitor v = new CodeCacheVisitor() { |
|
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1321 public void prologue(Address start, Address end) { |
|
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1322 } |
|
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1323 public void visit(CodeBlob blob) { |
| 1748 | 1324 fout.println(gen.genHTML(blob.contentBegin())); |
|
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1325 } |
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1326 public void epilogue() { |
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1327 } |
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1328 |
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1329 |
|
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1330 }; |
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1331 VM.getVM().getCodeCache().iterate(v); |
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1332 } |
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1333 } |
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1334 }, |
| 0 | 1335 new Command("where", "where { -a | id }", false) { |
| 1336 public void doit(Tokens t) { | |
| 1337 if (t.countTokens() != 1) { | |
| 1338 usage(); | |
| 1339 } else { | |
| 1340 String name = t.nextToken(); | |
| 1341 Threads threads = VM.getVM().getThreads(); | |
| 1342 boolean all = name.equals("-a"); | |
| 1343 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 1344 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 1345 thread.printThreadIDOn(new PrintStream(bos)); | |
| 1346 if (all || bos.toString().equals(name)) { | |
| 1385 | 1347 out.println(bos.toString() + " = " + thread.getAddress()); |
| 0 | 1348 HTMLGenerator gen = new HTMLGenerator(false); |
| 1385 | 1349 try { |
| 1350 out.println(gen.genHTMLForJavaStackTrace(thread)); | |
| 1351 } catch (Exception e) { | |
| 1352 err.println("Error: " + e); | |
| 1353 if (verboseExceptions) { | |
| 1354 e.printStackTrace(err); | |
| 1355 } | |
| 1356 } | |
| 0 | 1357 if (!all) return; |
| 1358 } | |
| 1359 } | |
| 1360 if (!all) out.println("Couldn't find thread " + name); | |
| 1361 } | |
| 1362 } | |
| 1363 }, | |
| 1385 | 1364 new Command("thread", "thread { -a | id }", false) { |
| 1365 public void doit(Tokens t) { | |
| 1366 if (t.countTokens() != 1) { | |
| 1367 usage(); | |
| 1368 } else { | |
| 1369 String name = t.nextToken(); | |
| 1370 Threads threads = VM.getVM().getThreads(); | |
| 1371 boolean all = name.equals("-a"); | |
| 1372 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 1373 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 1374 thread.printThreadIDOn(new PrintStream(bos)); | |
| 1375 if (all || bos.toString().equals(name)) { | |
| 1376 out.println(bos.toString() + " = " + thread.getAddress()); | |
| 1377 if (!all) return; | |
| 1378 } | |
| 1379 } | |
| 1380 out.println("Couldn't find thread " + name); | |
| 1381 } | |
| 1382 } | |
| 1383 }, | |
| 0 | 1384 |
| 1385 new Command("threads", false) { | |
| 1386 public void doit(Tokens t) { | |
| 1387 if (t.countTokens() != 0) { | |
| 1388 usage(); | |
| 1389 } else { | |
| 1390 Threads threads = VM.getVM().getThreads(); | |
| 1391 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 1392 thread.printThreadIDOn(out); | |
| 1393 out.println(" " + thread.getThreadName()); | |
| 1394 } | |
| 1395 } | |
| 1396 } | |
| 1397 }, | |
| 1398 | |
| 1399 new Command("livenmethods", false) { | |
| 1400 public void doit(Tokens t) { | |
| 1401 if (t.countTokens() != 0) { | |
| 1402 usage(); | |
| 1403 } else { | |
| 1404 ArrayList nmethods = new ArrayList(); | |
| 1405 Threads threads = VM.getVM().getThreads(); | |
| 1406 HTMLGenerator gen = new HTMLGenerator(false); | |
| 1407 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 1408 try { | |
| 1409 for (JavaVFrame vf = thread.getLastJavaVFrameDbg(); vf != null; vf = vf.javaSender()) { | |
| 1410 if (vf instanceof CompiledVFrame) { | |
| 1411 NMethod c = ((CompiledVFrame)vf).getCode(); | |
| 1412 if (!nmethods.contains(c)) { | |
| 1413 nmethods.add(c); | |
| 1414 out.println(gen.genHTML(c)); | |
| 1415 } | |
| 1416 } | |
| 1417 } | |
| 1418 } catch (Exception e) { | |
| 1419 e.printStackTrace(); | |
| 1420 } | |
| 1421 } | |
| 1422 } | |
| 1423 } | |
| 1424 }, | |
| 1425 new Command("universe", false) { | |
| 1426 public void doit(Tokens t) { | |
| 1427 if (t.countTokens() != 0) { | |
| 1428 usage(); | |
| 1429 } else { | |
| 1430 Universe u = VM.getVM().getUniverse(); | |
| 1431 out.println("Heap Parameters:"); | |
| 1432 u.heap().printOn(out); | |
| 1433 } | |
| 1434 } | |
| 1435 }, | |
| 1436 new Command("verbose", "verbose true | false", true) { | |
| 1437 public void doit(Tokens t) { | |
| 1438 if (t.countTokens() != 1) { | |
| 1439 usage(); | |
| 1440 } else { | |
| 1441 verboseExceptions = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1442 } | |
| 1443 } | |
| 1444 }, | |
| 1445 new Command("assert", "assert true | false", true) { | |
| 1446 public void doit(Tokens t) { | |
| 1447 if (t.countTokens() != 1) { | |
| 1448 usage(); | |
| 1449 } else { | |
| 1450 Assert.ASSERTS_ENABLED = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1451 } | |
| 1452 } | |
| 1453 }, | |
| 1454 }; | |
| 1455 | |
| 1456 private boolean verboseExceptions = false; | |
| 1457 private ArrayList history = new ArrayList(); | |
| 1458 private HashMap commands = new HashMap(); | |
| 1459 private boolean doEcho = false; | |
| 1460 | |
| 1461 private Command findCommand(String key) { | |
| 1462 return (Command)commands.get(key); | |
| 1463 } | |
| 1464 | |
| 1465 public void printPrompt() { | |
| 1466 out.print("hsdb> "); | |
| 1467 } | |
| 1468 | |
| 1469 private DebuggerInterface debugger; | |
| 1470 private HotSpotAgent agent; | |
| 1471 private JSJavaScriptEngine jsengine; | |
| 1472 private BufferedReader in; | |
| 1473 private PrintStream out; | |
| 1474 private PrintStream err; | |
| 1475 | |
| 1476 // called before debuggee attach | |
| 1477 private void preAttach() { | |
| 1478 // nothing for now.. | |
| 1479 } | |
| 1480 | |
| 1481 // called after debuggee attach | |
| 1482 private void postAttach() { | |
| 1483 // create JavaScript engine and start it | |
| 1484 jsengine = new JSJavaScriptEngine() { | |
| 1485 private ObjectReader reader = new ObjectReader(); | |
| 1486 private JSJavaFactory factory = new JSJavaFactoryImpl(); | |
| 1487 public ObjectReader getObjectReader() { | |
| 1488 return reader; | |
| 1489 } | |
| 1490 public JSJavaFactory getJSJavaFactory() { | |
| 1491 return factory; | |
| 1492 } | |
| 1493 protected void quit() { | |
| 1494 debugger.detach(); | |
| 1495 System.exit(0); | |
| 1496 } | |
| 1497 protected BufferedReader getInputReader() { | |
| 1498 return in; | |
| 1499 } | |
| 1500 protected PrintStream getOutputStream() { | |
| 1501 return out; | |
| 1502 } | |
| 1503 protected PrintStream getErrorStream() { | |
| 1504 return err; | |
| 1505 } | |
| 1506 }; | |
| 1507 try { | |
| 1508 jsengine.defineFunction(this, | |
| 1509 this.getClass().getMethod("registerCommand", | |
| 1510 new Class[] { | |
| 1511 String.class, String.class, String.class | |
| 1512 })); | |
| 1513 } catch (NoSuchMethodException exp) { | |
| 1514 // should not happen, see below...!! | |
| 1515 exp.printStackTrace(); | |
| 1516 } | |
| 1517 jsengine.start(); | |
| 1518 } | |
| 1519 | |
| 1520 public void registerCommand(String cmd, String usage, final String func) { | |
| 1521 commands.put(cmd, new Command(cmd, usage, false) { | |
| 1522 public void doit(Tokens t) { | |
| 1523 final int len = t.countTokens(); | |
| 1524 Object[] args = new Object[len]; | |
| 1525 for (int i = 0; i < len; i++) { | |
| 1526 args[i] = t.nextToken(); | |
| 1527 } | |
| 1528 jsengine.call(func, args); | |
| 1529 } | |
| 1530 }); | |
| 1531 } | |
| 1532 | |
| 1533 public void setOutput(PrintStream o) { | |
| 1534 out = o; | |
| 1535 } | |
| 1536 | |
| 1537 public void setErr(PrintStream e) { | |
| 1538 err = e; | |
| 1539 } | |
| 1540 | |
| 1541 public CommandProcessor(DebuggerInterface debugger, BufferedReader in, PrintStream out, PrintStream err) { | |
| 1542 this.debugger = debugger; | |
| 1543 this.agent = debugger.getAgent(); | |
| 1544 this.in = in; | |
| 1545 this.out = out; | |
| 1546 this.err = err; | |
| 1547 for (int i = 0; i < commandList.length; i++) { | |
| 1548 Command c = commandList[i]; | |
|
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diff
changeset
|
1549 if (commands.get(c.name) != null) { |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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parents:
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diff
changeset
|
1550 throw new InternalError(c.name + " has multiple definitions"); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
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parents:
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diff
changeset
|
1551 } |
| 0 | 1552 commands.put(c.name, c); |
| 1553 } | |
| 1554 if (debugger.isAttached()) { | |
| 1555 postAttach(); | |
| 1556 } | |
| 1557 } | |
| 1558 | |
| 1559 | |
| 1560 public void run(boolean prompt) { | |
| 1561 // Process interactive commands. | |
| 1562 while (true) { | |
| 1563 if (prompt) printPrompt(); | |
| 1564 String ln = null; | |
| 1565 try { | |
| 1566 ln = in.readLine(); | |
| 1567 } catch (IOException e) { | |
| 1568 } | |
| 1569 if (ln == null) { | |
| 1570 if (prompt) err.println("Input stream closed."); | |
| 1571 return; | |
| 1572 } | |
| 1573 | |
| 3939 | 1574 executeCommand(ln, prompt); |
| 0 | 1575 } |
| 1576 } | |
| 1577 | |
| 1385 | 1578 static Pattern historyPattern = Pattern.compile("((!\\*)|(!\\$)|(!!-?)|(!-?[0-9][0-9]*)|(![a-zA-Z][^ ]*))"); |
| 0 | 1579 |
| 3939 | 1580 public void executeCommand(String ln, boolean putInHistory) { |
| 0 | 1581 if (ln.indexOf('!') != -1) { |
| 1582 int size = history.size(); | |
| 1583 if (size == 0) { | |
| 1584 ln = ""; | |
| 1585 err.println("History is empty"); | |
| 1586 } else { | |
| 1587 StringBuffer result = new StringBuffer(); | |
| 1588 Matcher m = historyPattern.matcher(ln); | |
| 1589 int start = 0; | |
| 1590 while (m.find()) { | |
| 1591 if (m.start() > start) { | |
| 1592 result.append(ln.substring(start, m.start() - start)); | |
| 1593 } | |
| 1594 start = m.end(); | |
| 1595 | |
| 1596 String cmd = m.group(); | |
| 1597 if (cmd.equals("!!")) { | |
| 1598 result.append((String)history.get(history.size() - 1)); | |
| 1599 } else if (cmd.equals("!!-")) { | |
| 1600 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
| 1601 item.trim(1); | |
| 1602 result.append(item.join(" ")); | |
| 1603 } else if (cmd.equals("!*")) { | |
| 1604 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
| 1605 item.nextToken(); | |
| 1606 result.append(item.join(" ")); | |
| 1607 } else if (cmd.equals("!$")) { | |
| 1608 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
| 1609 result.append(item.at(item.countTokens() - 1)); | |
| 1610 } else { | |
| 1611 String tail = cmd.substring(1); | |
| 1385 | 1612 switch (tail.charAt(0)) { |
| 1613 case '0': | |
| 1614 case '1': | |
| 1615 case '2': | |
| 1616 case '3': | |
| 1617 case '4': | |
| 1618 case '5': | |
| 1619 case '6': | |
| 1620 case '7': | |
| 1621 case '8': | |
| 1622 case '9': | |
| 1623 case '-': { | |
| 1624 int index = Integer.parseInt(tail); | |
| 1625 if (index < 0) { | |
| 1626 index = history.size() + index; | |
| 1627 } | |
| 1628 if (index > size) { | |
| 1629 err.println("No such history item"); | |
| 1630 } else { | |
| 1631 result.append((String)history.get(index)); | |
| 1632 } | |
| 1633 break; | |
| 0 | 1634 } |
| 1385 | 1635 default: { |
| 1636 for (int i = history.size() - 1; i >= 0; i--) { | |
| 1637 String s = (String)history.get(i); | |
| 1638 if (s.startsWith(tail)) { | |
| 1639 result.append(s); | |
| 1640 } | |
| 1641 } | |
| 1642 } | |
| 0 | 1643 } |
| 1644 } | |
| 1645 } | |
| 1646 if (result.length() == 0) { | |
| 1647 err.println("malformed history reference"); | |
| 1648 ln = ""; | |
| 1649 } else { | |
| 1650 if (start < ln.length()) { | |
| 1651 result.append(ln.substring(start)); | |
| 1652 } | |
| 1653 ln = result.toString(); | |
| 1654 if (!doEcho) { | |
| 1655 out.println(ln); | |
| 1656 } | |
| 1657 } | |
| 1658 } | |
| 1659 } | |
| 1660 | |
| 1661 if (doEcho) { | |
| 1662 out.println("+ " + ln); | |
| 1663 } | |
| 1664 | |
| 1665 PrintStream redirect = null; | |
| 1666 Tokens t = new Tokens(ln); | |
| 1667 if (t.hasMoreTokens()) { | |
| 1668 boolean error = false; | |
| 3939 | 1669 if (putInHistory) history.add(ln); |
| 0 | 1670 int len = t.countTokens(); |
| 1671 if (len > 2) { | |
| 1672 String r = t.at(len - 2); | |
| 1673 if (r.equals(">") || r.equals(">>")) { | |
| 1674 boolean append = r.length() == 2; | |
| 1675 String file = t.at(len - 1); | |
| 1676 try { | |
| 1677 redirect = new PrintStream(new BufferedOutputStream(new FileOutputStream(file, append))); | |
| 1678 t.trim(2); | |
| 1679 } catch (Exception e) { | |
| 1680 out.println("Error: " + e); | |
| 1681 if (verboseExceptions) { | |
| 1682 e.printStackTrace(out); | |
| 1683 } | |
| 1684 error = true; | |
| 1685 } | |
| 1686 } | |
| 1687 } | |
| 1688 if (!error) { | |
| 1689 PrintStream savedout = out; | |
| 1690 if (redirect != null) { | |
| 1691 out = redirect; | |
| 1692 } | |
| 1693 try { | |
| 1694 executeCommand(t); | |
| 1695 } catch (Exception e) { | |
| 1696 err.println("Error: " + e); | |
| 1697 if (verboseExceptions) { | |
| 1698 e.printStackTrace(err); | |
| 1699 } | |
| 1700 } finally { | |
| 1701 if (redirect != null) { | |
| 1702 out = savedout; | |
| 1703 redirect.close(); | |
| 1704 } | |
| 1705 } | |
| 1706 } | |
| 1707 } | |
| 1708 } | |
| 1709 | |
| 1710 void executeCommand(Tokens args) { | |
| 1711 String cmd = args.nextToken(); | |
| 1712 | |
| 1713 Command doit = findCommand(cmd); | |
| 1714 | |
| 1715 /* | |
| 1716 * Check for an unknown command | |
| 1717 */ | |
| 1718 if (doit == null) { | |
| 1719 out.println("Unrecognized command. Try help..."); | |
| 1720 } else if (!debugger.isAttached() && !doit.okIfDisconnected) { | |
| 1721 out.println("Command not valid until the attached to a VM"); | |
| 1722 } else { | |
| 1723 try { | |
| 1724 doit.doit(args); | |
| 1725 } catch (Exception e) { | |
| 1726 out.println("Error: " + e); | |
| 1727 if (verboseExceptions) { | |
| 1728 e.printStackTrace(out); | |
| 1729 } | |
| 1730 } | |
| 1731 } | |
| 1732 } | |
| 1733 } |