Mercurial > hg > graal-jvmci-8
annotate agent/src/share/classes/sun/jvm/hotspot/CommandProcessor.java @ 8750:39432a1cefdd
8003348: SA can not read core file on OS
Summary: Macosx uses Mach-O file format for binary files, not ELF format. Currently SA works on core files on other platforms, t his change enables SA work on core file generated on Darwin.
Reviewed-by: sla, sspitsyn
Contributed-by: yumin.qi@oracle.com
| author | minqi |
|---|---|
| date | Thu, 14 Mar 2013 00:33:08 -0700 |
| parents | bd7a7ce2e264 |
| children | 686916dc0439 |
| 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; | |
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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 }, | |
|
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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)) { | |
| 8750 | 1520 out.println("Thread " + bos.toString() + " Address: " + 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)) { | |
| 8750 | 1549 out.println("Thread " + bos.toString() + " Address " + thread.getAddress()); |
| 1385 | 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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3582bf76420e
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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 } |