Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/CommandProcessor.java @ 6782:5a98bf7d847b
6879063: SA should use hsdis for disassembly
Summary: We should in SA to use hsdis for it like the JVM does to replace the current java based disassembler.
Reviewed-by: twisti, jrose, sla
Contributed-by: yumin.qi@oracle.com
| author | minqi |
|---|---|
| date | Mon, 24 Sep 2012 12:44:00 -0700 |
| parents | da91efe96a93 |
| children | bd7a7ce2e264 |
| 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.*; | |
| 6782 | 45 import sun.jvm.hotspot.asm.*; |
| 0 | 46 import sun.jvm.hotspot.runtime.*; |
| 47 import sun.jvm.hotspot.utilities.*; | |
| 48 import sun.jvm.hotspot.utilities.soql.*; | |
| 49 import sun.jvm.hotspot.ui.classbrowser.*; | |
| 50 import sun.jvm.hotspot.ui.tree.*; | |
| 51 import sun.jvm.hotspot.tools.*; | |
| 52 import sun.jvm.hotspot.tools.ObjectHistogram; | |
| 53 import sun.jvm.hotspot.tools.StackTrace; | |
| 3939 | 54 import sun.jvm.hotspot.tools.jcore.ClassDump; |
| 55 import sun.jvm.hotspot.tools.jcore.ClassFilter; | |
| 0 | 56 |
| 57 public class CommandProcessor { | |
| 58 public abstract static class DebuggerInterface { | |
| 59 public abstract HotSpotAgent getAgent(); | |
| 60 public abstract boolean isAttached(); | |
| 61 public abstract void attach(String pid); | |
| 62 public abstract void attach(String java, String core); | |
| 63 public abstract void detach(); | |
| 64 public abstract void reattach(); | |
| 65 } | |
| 66 | |
| 3939 | 67 public static class BootFilter implements ClassFilter { |
| 68 public boolean canInclude(InstanceKlass kls) { | |
| 69 return kls.getClassLoader() == null; | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 public static class NonBootFilter implements ClassFilter { | |
| 74 private HashMap emitted = new HashMap(); | |
| 75 public boolean canInclude(InstanceKlass kls) { | |
| 76 if (kls.getClassLoader() == null) return false; | |
| 77 if (emitted.get(kls.getName()) != null) { | |
| 78 // Since multiple class loaders are being shoved | |
| 79 // together duplicate classes are a possibilty. For | |
| 80 // now just ignore them. | |
| 81 return false; | |
| 82 } | |
| 83 emitted.put(kls.getName(), kls); | |
| 84 return true; | |
| 85 } | |
| 86 } | |
| 87 | |
| 0 | 88 static class Tokens { |
| 89 final String input; | |
| 90 int i; | |
| 91 String[] tokens; | |
| 92 int length; | |
| 93 | |
| 94 String[] splitWhitespace(String cmd) { | |
| 95 String[] t = cmd.split("\\s"); | |
| 96 if (t.length == 1 && t[0].length() == 0) { | |
| 97 return new String[0]; | |
| 98 } | |
| 99 return t; | |
| 100 } | |
| 101 | |
| 102 void add(String s, ArrayList t) { | |
| 103 if (s.length() > 0) { | |
| 104 t.add(s); | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 Tokens(String cmd) { | |
| 109 input = cmd; | |
| 110 | |
| 111 // check for quoting | |
| 112 int quote = cmd.indexOf('"'); | |
| 113 ArrayList t = new ArrayList(); | |
| 114 if (quote != -1) { | |
| 115 while (cmd.length() > 0) { | |
| 116 if (quote != -1) { | |
| 117 int endquote = cmd.indexOf('"', quote + 1); | |
| 118 if (endquote == -1) { | |
| 119 throw new RuntimeException("mismatched quotes: " + input); | |
| 120 } | |
| 121 | |
| 122 String before = cmd.substring(0, quote).trim(); | |
| 123 String quoted = cmd.substring(quote + 1, endquote); | |
| 124 cmd = cmd.substring(endquote + 1).trim(); | |
| 125 if (before.length() > 0) { | |
| 126 String[] w = splitWhitespace(before); | |
| 127 for (int i = 0; i < w.length; i++) { | |
| 128 add(w[i], t); | |
| 129 } | |
| 130 } | |
| 131 add(quoted, t); | |
| 132 quote = cmd.indexOf('"'); | |
| 133 } else { | |
| 134 String[] w = splitWhitespace(cmd); | |
| 135 for (int i = 0; i < w.length; i++) { | |
| 136 add(w[i], t); | |
| 137 } | |
| 138 cmd = ""; | |
| 139 | |
| 140 } | |
| 141 } | |
| 142 } else { | |
| 143 String[] w = splitWhitespace(cmd); | |
| 144 for (int i = 0; i < w.length; i++) { | |
| 145 add(w[i], t); | |
| 146 } | |
| 147 } | |
| 148 tokens = (String[])t.toArray(new String[0]); | |
| 149 i = 0; | |
| 150 length = tokens.length; | |
| 151 | |
| 152 //for (int i = 0; i < tokens.length; i++) { | |
| 153 // System.out.println("\"" + tokens[i] + "\""); | |
| 154 //} | |
| 155 } | |
| 156 | |
| 157 String nextToken() { | |
| 158 return tokens[i++]; | |
| 159 } | |
| 160 boolean hasMoreTokens() { | |
| 161 return i < length; | |
| 162 } | |
| 163 int countTokens() { | |
| 164 return length - i; | |
| 165 } | |
| 166 void trim(int n) { | |
| 167 if (length >= n) { | |
| 168 length -= n; | |
| 169 } else { | |
| 170 throw new IndexOutOfBoundsException(String.valueOf(n)); | |
| 171 } | |
| 172 } | |
| 173 String join(String sep) { | |
| 174 StringBuffer result = new StringBuffer(); | |
| 175 for (int w = i; w < length; w++) { | |
| 176 result.append(tokens[w]); | |
| 177 if (w + 1 < length) { | |
| 178 result.append(sep); | |
| 179 } | |
| 180 } | |
| 181 return result.toString(); | |
| 182 } | |
| 183 | |
| 184 String at(int i) { | |
| 185 if (i < 0 || i >= length) { | |
| 186 throw new IndexOutOfBoundsException(String.valueOf(i)); | |
| 187 } | |
| 188 return tokens[i]; | |
| 189 } | |
| 190 } | |
| 191 | |
| 192 | |
| 193 abstract class Command { | |
| 194 Command(String n, String u, boolean ok) { | |
| 195 name = n; | |
| 196 usage = u; | |
| 197 okIfDisconnected = ok; | |
| 198 } | |
| 199 | |
| 200 Command(String n, boolean ok) { | |
| 201 name = n; | |
| 202 usage = n; | |
| 203 okIfDisconnected = ok; | |
| 204 } | |
| 205 | |
| 206 final String name; | |
| 207 final String usage; | |
| 208 final boolean okIfDisconnected; | |
| 209 abstract void doit(Tokens t); | |
| 210 void usage() { | |
| 211 out.println("Usage: " + usage); | |
| 212 } | |
| 213 | |
| 214 void printOopValue(Oop oop) { | |
| 215 if (oop != null) { | |
| 216 Klass k = oop.getKlass(); | |
| 217 Symbol s = k.getName(); | |
| 218 if (s != null) { | |
| 219 out.print("Oop for " + s.asString() + " @ "); | |
| 220 } else { | |
| 221 out.print("Oop @ "); | |
| 222 } | |
| 223 Oop.printOopAddressOn(oop, out); | |
| 224 } else { | |
| 225 out.print("null"); | |
| 226 } | |
| 227 } | |
| 228 | |
| 229 void printNode(SimpleTreeNode node) { | |
| 230 int count = node.getChildCount(); | |
| 231 for (int i = 0; i < count; i++) { | |
| 232 try { | |
| 233 SimpleTreeNode field = node.getChild(i); | |
| 234 if (field instanceof OopTreeNodeAdapter) { | |
| 235 out.print(field); | |
| 236 out.print(" "); | |
| 237 printOopValue(((OopTreeNodeAdapter)field).getOop()); | |
| 238 out.println(); | |
| 239 } else { | |
| 240 out.println(field); | |
| 241 } | |
| 242 } catch (Exception e) { | |
| 243 out.println(); | |
| 244 out.println("Error: " + e); | |
| 245 if (verboseExceptions) { | |
| 246 e.printStackTrace(out); | |
| 247 } | |
| 248 } | |
| 249 } | |
| 250 } | |
| 251 } | |
| 252 | |
| 253 void quote(String s) { | |
| 254 if (s.indexOf(" ") == -1) { | |
| 255 out.print(s); | |
| 256 } else { | |
| 257 out.print("\""); | |
| 258 out.print(s); | |
| 259 out.print("\""); | |
| 260 } | |
| 261 } | |
| 262 | |
| 263 void dumpType(Type type) { | |
| 264 out.print("type "); | |
| 265 quote(type.getName()); | |
| 266 out.print(" "); | |
| 267 if (type.getSuperclass() != null) { | |
| 268 quote(type.getSuperclass().getName()); | |
| 269 out.print(" "); | |
| 270 } else { | |
| 271 out.print("null "); | |
| 272 } | |
| 273 out.print(type.isOopType()); | |
| 274 out.print(" "); | |
| 275 if (type.isCIntegerType()) { | |
| 276 out.print("true "); | |
| 277 out.print(((CIntegerType)type).isUnsigned()); | |
| 278 out.print(" "); | |
| 279 } else { | |
| 280 out.print("false false "); | |
| 281 } | |
| 282 out.print(type.getSize()); | |
| 283 out.println(); | |
| 284 } | |
| 285 | |
| 286 void dumpFields(Type type) { | |
| 3939 | 287 dumpFields(type, true); |
| 288 } | |
| 289 | |
| 290 void dumpFields(Type type, boolean allowStatic) { | |
| 0 | 291 Iterator i = type.getFields(); |
| 292 while (i.hasNext()) { | |
| 293 Field f = (Field) i.next(); | |
| 3939 | 294 if (!allowStatic && f.isStatic()) continue; |
| 0 | 295 out.print("field "); |
| 296 quote(type.getName()); | |
| 297 out.print(" "); | |
| 298 out.print(f.getName()); | |
| 299 out.print(" "); | |
| 300 quote(f.getType().getName()); | |
| 301 out.print(" "); | |
| 302 out.print(f.isStatic()); | |
| 303 out.print(" "); | |
| 304 if (f.isStatic()) { | |
| 305 out.print("0 "); | |
| 306 out.print(f.getStaticFieldAddress()); | |
| 307 } else { | |
| 308 out.print(f.getOffset()); | |
| 309 out.print(" 0x0"); | |
| 310 } | |
| 311 out.println(); | |
| 312 } | |
| 313 } | |
| 314 | |
| 315 | |
| 316 Address lookup(String symbol) { | |
| 317 if (symbol.indexOf("::") != -1) { | |
| 318 String[] parts = symbol.split("::"); | |
| 319 StringBuffer mangled = new StringBuffer("__1c"); | |
| 320 for (int i = 0; i < parts.length; i++) { | |
| 321 int len = parts[i].length(); | |
| 322 if (len >= 26) { | |
| 323 mangled.append((char)('a' + (len / 26))); | |
| 324 len = len % 26; | |
| 325 } | |
| 326 mangled.append((char)('A' + len)); | |
| 327 mangled.append(parts[i]); | |
| 328 } | |
| 329 mangled.append("_"); | |
| 330 symbol = mangled.toString(); | |
| 331 } | |
| 332 return VM.getVM().getDebugger().lookup(null, symbol); | |
| 333 } | |
| 334 | |
| 335 Address parseAddress(String addr) { | |
| 336 return VM.getVM().getDebugger().parseAddress(addr); | |
| 337 } | |
| 338 | |
| 339 private final Command[] commandList = { | |
| 340 new Command("reattach", true) { | |
| 341 public void doit(Tokens t) { | |
| 342 int tokens = t.countTokens(); | |
| 343 if (tokens != 0) { | |
| 344 usage(); | |
| 345 return; | |
| 346 } | |
| 347 preAttach(); | |
| 348 debugger.reattach(); | |
| 349 postAttach(); | |
| 350 } | |
| 351 }, | |
| 352 new Command("attach", "attach pid | exec core", true) { | |
| 353 public void doit(Tokens t) { | |
| 354 int tokens = t.countTokens(); | |
| 355 if (tokens == 1) { | |
| 356 preAttach(); | |
| 357 debugger.attach(t.nextToken()); | |
| 358 postAttach(); | |
| 359 } else if (tokens == 2) { | |
| 360 preAttach(); | |
| 361 debugger.attach(t.nextToken(), t.nextToken()); | |
| 362 postAttach(); | |
| 363 } else { | |
| 364 usage(); | |
| 365 } | |
| 366 } | |
| 367 }, | |
| 368 new Command("detach", false) { | |
| 369 public void doit(Tokens t) { | |
| 370 if (t.countTokens() != 0) { | |
| 371 usage(); | |
| 372 } else { | |
| 373 debugger.detach(); | |
| 374 } | |
| 375 } | |
| 376 }, | |
| 377 new Command("examine", "examine [ address/count ] | [ address,address]", false) { | |
| 378 Pattern args1 = Pattern.compile("^(0x[0-9a-f]+)(/([0-9]*)([a-z]*))?$"); | |
| 379 Pattern args2 = Pattern.compile("^(0x[0-9a-f]+),(0x[0-9a-f]+)(/[a-z]*)?$"); | |
| 380 | |
| 381 String fill(Address a, int width) { | |
| 382 String s = "0x0"; | |
| 383 if (a != null) { | |
| 384 s = a.toString(); | |
| 385 } | |
| 386 if (s.length() != width) { | |
| 387 return s.substring(0, 2) + "000000000000000000000".substring(0, width - s.length()) + s.substring(2); | |
| 388 } | |
| 389 return s; | |
| 390 } | |
| 391 | |
| 392 public void doit(Tokens t) { | |
| 393 if (t.countTokens() != 1) { | |
| 394 usage(); | |
| 395 } else { | |
| 396 String arg = t.nextToken(); | |
| 397 Matcher m1 = args1.matcher(arg); | |
| 398 Matcher m2 = args2.matcher(arg); | |
| 399 Address start = null; | |
| 400 Address end = null; | |
| 401 String format = ""; | |
| 402 int formatSize = (int)VM.getVM().getAddressSize(); | |
| 403 | |
| 404 if (m1.matches()) { | |
| 405 start = VM.getVM().getDebugger().parseAddress(m1.group(1)); | |
| 406 int count = 1; | |
| 407 if (m1.group(2) != null) { | |
| 408 count = Integer.parseInt(m1.group(3)); | |
| 409 } | |
| 410 end = start.addOffsetTo(count * formatSize); | |
| 411 } else if (m2.matches()) { | |
| 412 start = VM.getVM().getDebugger().parseAddress(m2.group(1)); | |
| 413 end = VM.getVM().getDebugger().parseAddress(m2.group(2)); | |
| 414 } else { | |
| 415 usage(); | |
| 416 return; | |
| 417 } | |
| 418 int line = 80; | |
| 419 int formatWidth = formatSize * 8 / 4 + 2; | |
| 420 | |
| 421 out.print(fill(start, formatWidth)); | |
| 422 out.print(": "); | |
| 423 int width = line - formatWidth - 2; | |
| 424 | |
| 425 boolean needsPrintln = true; | |
| 426 while (start != null && start.lessThan(end)) { | |
| 427 Address val = start.getAddressAt(0); | |
| 428 out.print(fill(val, formatWidth)); | |
| 429 needsPrintln = true; | |
| 430 width -= formatWidth; | |
| 431 start = start.addOffsetTo(formatSize); | |
| 432 if (width <= formatWidth) { | |
| 433 out.println(); | |
| 434 needsPrintln = false; | |
| 435 if (start.lessThan(end)) { | |
| 436 out.print(fill(start, formatWidth)); | |
| 437 out.print(": "); | |
| 438 width = line - formatWidth - 2; | |
| 439 } | |
| 440 } else { | |
| 441 out.print(" "); | |
| 442 width -= 1; | |
| 443 } | |
| 444 } | |
| 445 if (needsPrintln) { | |
| 446 out.println(); | |
| 447 } | |
| 448 } | |
| 449 } | |
| 450 }, | |
| 451 new Command("findpc", "findpc address", false) { | |
| 452 public void doit(Tokens t) { | |
| 453 if (t.countTokens() != 1) { | |
| 454 usage(); | |
| 455 } else { | |
| 456 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 457 PointerLocation loc = PointerFinder.find(a); | |
| 458 loc.printOn(out); | |
| 459 } | |
| 460 } | |
| 461 }, | |
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462 new Command("symbol", "symbol address", false) { |
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463 public void doit(Tokens t) { |
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464 if (t.countTokens() != 1) { |
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465 usage(); |
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466 } else { |
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467 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); |
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468 Symbol.create(a).printValueOn(out); |
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469 out.println(); |
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470 } |
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471 } |
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472 }, |
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473 new Command("symboltable", "symboltable name", false) { |
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474 public void doit(Tokens t) { |
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475 if (t.countTokens() != 1) { |
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476 usage(); |
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477 } else { |
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478 out.println(SymbolTable.getTheTable().probe(t.nextToken())); |
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479 } |
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480 } |
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481 }, |
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482 new Command("symboldump", "symboldump", false) { |
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483 public void doit(Tokens t) { |
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484 SymbolTable.getTheTable().symbolsDo(new SymbolTable.SymbolVisitor() { |
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485 public void visit(Symbol sym) { |
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486 sym.printValueOn(out); |
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487 out.println(); |
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488 } |
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489 }); |
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490 } |
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491 }, |
| 3939 | 492 new Command("flags", "flags [ flag | -nd ]", false) { |
| 0 | 493 public void doit(Tokens t) { |
| 494 int tokens = t.countTokens(); | |
| 495 if (tokens != 0 && tokens != 1) { | |
| 496 usage(); | |
| 497 } else { | |
| 498 String name = tokens > 0 ? t.nextToken() : null; | |
| 3939 | 499 boolean nonDefault = false; |
| 500 if (name != null && name.equals("-nd")) { | |
| 501 name = null; | |
| 502 nonDefault = true; | |
| 503 } | |
| 0 | 504 |
| 505 VM.Flag[] flags = VM.getVM().getCommandLineFlags(); | |
| 506 if (flags == null) { | |
| 507 out.println("Command Flag info not available (use 1.4.1_03 or later)!"); | |
| 508 } else { | |
| 509 boolean printed = false; | |
| 510 for (int f = 0; f < flags.length; f++) { | |
| 511 VM.Flag flag = flags[f]; | |
| 512 if (name == null || flag.getName().equals(name)) { | |
| 3939 | 513 |
| 514 if (nonDefault && flag.getOrigin() == 0) { | |
| 515 // only print flags which aren't their defaults | |
| 516 continue; | |
| 517 } | |
| 518 out.println(flag.getName() + " = " + flag.getValue() + " " + flag.getOrigin()); | |
| 0 | 519 printed = true; |
| 520 } | |
| 521 } | |
| 522 if (name != null && !printed) { | |
| 523 out.println("Couldn't find flag: " + name); | |
| 524 } | |
| 525 } | |
| 526 } | |
| 527 } | |
| 528 }, | |
| 529 new Command("help", "help [ command ]", true) { | |
| 530 public void doit(Tokens t) { | |
| 531 int tokens = t.countTokens(); | |
| 532 Command cmd = null; | |
| 533 if (tokens == 1) { | |
| 534 cmd = findCommand(t.nextToken()); | |
| 535 } | |
| 536 | |
| 537 if (cmd != null) { | |
| 538 cmd.usage(); | |
| 539 } else if (tokens == 0) { | |
| 540 out.println("Available commands:"); | |
| 541 Object[] keys = commands.keySet().toArray(); | |
| 542 Arrays.sort(keys, new Comparator() { | |
| 543 public int compare(Object o1, Object o2) { | |
| 544 return o1.toString().compareTo(o2.toString()); | |
| 545 } | |
| 546 }); | |
| 547 for (int i = 0; i < keys.length; i++) { | |
| 548 out.print(" "); | |
| 549 out.println(((Command)commands.get(keys[i])).usage); | |
| 550 } | |
| 551 } | |
| 552 } | |
| 553 }, | |
| 554 new Command("history", "history", true) { | |
| 555 public void doit(Tokens t) { | |
| 556 int tokens = t.countTokens(); | |
| 557 if (tokens != 0 && (tokens != 1 || !t.nextToken().equals("-h"))) { | |
| 558 usage(); | |
| 559 return; | |
| 560 } | |
| 561 boolean printIndex = tokens == 0; | |
| 562 for (int i = 0; i < history.size(); i++) { | |
| 563 if (printIndex) out.print(i + " "); | |
| 564 out.println(history.get(i)); | |
| 565 } | |
| 566 } | |
| 567 }, | |
| 6782 | 568 // decode raw address |
| 569 new Command("dis", "dis address [length]", false) { | |
| 570 public void doit(Tokens t) { | |
| 571 int tokens = t.countTokens(); | |
| 572 if (tokens != 1 && tokens != 2) { | |
| 573 usage(); | |
| 574 return; | |
| 575 } | |
| 576 String name = t.nextToken(); | |
| 577 Address addr = null; | |
| 578 int len = 0x10; // default length | |
| 579 try { | |
| 580 addr = VM.getVM().getDebugger().parseAddress(name); | |
| 581 } catch (NumberFormatException e) { | |
| 582 out.println(e); | |
| 583 return; | |
| 584 } | |
| 585 if (tokens == 2) { | |
| 586 try { | |
| 587 len = Integer.parseInt(t.nextToken()); | |
| 588 } catch (NumberFormatException e) { | |
| 589 out.println(e); | |
| 590 return; | |
| 591 } | |
| 592 } | |
| 593 HTMLGenerator generator = new HTMLGenerator(false); | |
| 594 out.println(generator.genHTMLForRawDisassembly(addr, len)); | |
| 595 } | |
| 596 | |
| 597 }, | |
| 598 // decode codeblob or nmethod | |
| 599 new Command("disassemble", "disassemble address", false) { | |
| 600 public void doit(Tokens t) { | |
| 601 int tokens = t.countTokens(); | |
| 602 if (tokens != 1) { | |
| 603 usage(); | |
| 604 return; | |
| 605 } | |
| 606 String name = t.nextToken(); | |
| 607 Address addr = null; | |
| 608 try { | |
| 609 addr = VM.getVM().getDebugger().parseAddress(name); | |
| 610 } catch (NumberFormatException e) { | |
| 611 out.println(e); | |
| 612 return; | |
| 613 } | |
| 614 | |
| 615 HTMLGenerator generator = new HTMLGenerator(false); | |
| 616 out.println(generator.genHTML(addr)); | |
| 617 } | |
| 618 }, | |
| 619 // print Java bytecode disassembly | |
| 620 new Command("jdis", "jdis address", false) { | |
| 621 public void doit(Tokens t) { | |
| 622 int tokens = t.countTokens(); | |
| 623 if (tokens != 1) { | |
| 624 usage(); | |
| 625 return; | |
| 626 } | |
| 627 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 628 Method m = (Method)Metadata.instantiateWrapperFor(a); | |
| 629 HTMLGenerator html = new HTMLGenerator(false); | |
| 630 out.println(html.genHTML(m)); | |
| 631 } | |
| 632 }, | |
| 1385 | 633 new Command("revptrs", "revptrs address", false) { |
| 634 public void doit(Tokens t) { | |
| 635 int tokens = t.countTokens(); | |
| 636 if (tokens != 1 && (tokens != 2 || !t.nextToken().equals("-c"))) { | |
| 637 usage(); | |
| 638 return; | |
| 639 } | |
| 640 boolean chase = tokens == 2; | |
| 641 ReversePtrs revptrs = VM.getVM().getRevPtrs(); | |
| 642 if (revptrs == null) { | |
| 643 out.println("Computing reverse pointers..."); | |
| 644 ReversePtrsAnalysis analysis = new ReversePtrsAnalysis(); | |
| 645 final boolean[] complete = new boolean[1]; | |
| 646 HeapProgressThunk thunk = new HeapProgressThunk() { | |
| 647 public void heapIterationFractionUpdate(double d) {} | |
| 648 public synchronized void heapIterationComplete() { | |
| 649 complete[0] = true; | |
| 650 notify(); | |
| 651 } | |
| 652 }; | |
| 653 analysis.setHeapProgressThunk(thunk); | |
| 654 analysis.run(); | |
| 655 while (!complete[0]) { | |
| 656 synchronized (thunk) { | |
| 657 try { | |
| 658 thunk.wait(); | |
| 659 } catch (Exception e) { | |
| 660 } | |
| 661 } | |
| 662 } | |
| 663 revptrs = VM.getVM().getRevPtrs(); | |
| 664 out.println("Done."); | |
| 665 } | |
| 666 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 667 if (VM.getVM().getUniverse().heap().isInReserved(a)) { | |
| 668 OopHandle handle = a.addOffsetToAsOopHandle(0); | |
| 669 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
| 670 ArrayList ptrs = revptrs.get(oop); | |
| 671 if (ptrs == null) { | |
| 672 out.println("no live references to " + a); | |
| 673 } else { | |
| 674 if (chase) { | |
| 675 while (ptrs.size() == 1) { | |
| 676 LivenessPathElement e = (LivenessPathElement)ptrs.get(0); | |
| 677 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 678 Oop.printOopValueOn(e.getObj(), new PrintStream(bos)); | |
| 679 out.println(bos.toString()); | |
| 680 ptrs = revptrs.get(e.getObj()); | |
| 681 } | |
| 682 } else { | |
| 683 for (int i = 0; i < ptrs.size(); i++) { | |
| 684 LivenessPathElement e = (LivenessPathElement)ptrs.get(i); | |
| 685 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 686 Oop.printOopValueOn(e.getObj(), new PrintStream(bos)); | |
| 687 out.println(bos.toString()); | |
| 688 oop = e.getObj(); | |
| 689 } | |
| 690 } | |
| 691 } | |
| 692 } | |
| 693 } | |
| 694 }, | |
| 3939 | 695 new Command("printmdo", "printmdo [ -a | expression ]", false) { |
| 696 // Print every MDO in the heap or the one referenced by expression. | |
| 697 public void doit(Tokens t) { | |
| 698 if (t.countTokens() != 1) { | |
| 699 usage(); | |
| 700 } else { | |
| 701 String s = t.nextToken(); | |
| 702 if (s.equals("-a")) { | |
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703 SystemDictionary sysDict = VM.getVM().getSystemDictionary(); |
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704 sysDict.allClassesDo(new SystemDictionary.ClassVisitor() { |
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705 public void visit(Klass k) { |
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706 if (k instanceof InstanceKlass) { |
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707 MethodArray methods = ((InstanceKlass)k).getMethods(); |
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708 for (int i = 0; i < methods.length(); i++) { |
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709 Method m = methods.at(i); |
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710 MethodData mdo = m.getMethodData(); |
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711 if (mdo != null) { |
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712 out.println("MethodData " + mdo.getAddress() + " for " + |
| 3939 | 713 "method " + m.getMethodHolder().getName().asString() + "." + |
| 714 m.getName().asString() + | |
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715 m.getSignature().asString() + "@" + m.getAddress()); |
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716 mdo.printDataOn(out); |
| 3939 | 717 } |
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718 } |
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719 } |
| 3939 | 720 } |
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721 } |
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722 ); |
| 3939 | 723 } else { |
| 724 Address a = VM.getVM().getDebugger().parseAddress(s); | |
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725 MethodData mdo = (MethodData) Metadata.instantiateWrapperFor(a); |
| 3939 | 726 mdo.printDataOn(out); |
| 727 } | |
| 728 } | |
| 729 } | |
| 730 }, | |
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731 new Command("printall", "printall", false) { |
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732 // Print every MDO in the heap or the one referenced by expression. |
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733 public void doit(Tokens t) { |
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734 if (t.countTokens() != 0) { |
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735 usage(); |
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736 } else { |
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737 SystemDictionary sysDict = VM.getVM().getSystemDictionary(); |
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738 sysDict.allClassesDo(new SystemDictionary.ClassVisitor() { |
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739 public void visit(Klass k) { |
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740 if (k instanceof InstanceKlass && ((InstanceKlass)k).getConstants().getCache() != null) { |
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741 MethodArray methods = ((InstanceKlass)k).getMethods(); |
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742 for (int i = 0; i < methods.length(); i++) { |
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743 Method m = methods.at(i); |
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744 HTMLGenerator gen = new HTMLGenerator(false); |
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745 out.println(gen.genHTML(m)); |
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746 } |
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747 } |
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748 } |
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749 } |
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750 ); |
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751 } |
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752 } |
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753 }, |
| 3939 | 754 new Command("dumpideal", "dumpideal { -a | id }", false) { |
| 755 // Do a full dump of the nodes reachabile from root in each compiler thread. | |
| 756 public void doit(Tokens t) { | |
| 757 if (t.countTokens() != 1) { | |
| 758 usage(); | |
| 759 } else { | |
| 760 String name = t.nextToken(); | |
| 761 boolean all = name.equals("-a"); | |
| 762 Threads threads = VM.getVM().getThreads(); | |
| 763 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 764 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 765 thread.printThreadIDOn(new PrintStream(bos)); | |
| 766 if (all || bos.toString().equals(name)) { | |
| 767 if (thread instanceof CompilerThread) { | |
| 768 CompilerThread ct = (CompilerThread)thread; | |
| 769 out.println(ct); | |
| 770 ciEnv env = ct.env(); | |
| 771 if (env != null) { | |
| 772 Compile c = env.compilerData(); | |
| 773 c.root().dump(9999, out); | |
| 774 } else { | |
| 775 out.println(" not compiling"); | |
| 776 } | |
| 777 } | |
| 778 } | |
| 779 } | |
| 780 } | |
| 781 } | |
| 782 }, | |
| 783 new Command("dumpcfg", "dumpcfg { -a | id }", false) { | |
| 784 // Dump the PhaseCFG for every compiler thread that has one live. | |
| 785 public void doit(Tokens t) { | |
| 786 if (t.countTokens() != 1) { | |
| 787 usage(); | |
| 788 } else { | |
| 789 String name = t.nextToken(); | |
| 790 boolean all = name.equals("-a"); | |
| 791 Threads threads = VM.getVM().getThreads(); | |
| 792 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 793 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 794 thread.printThreadIDOn(new PrintStream(bos)); | |
| 795 if (all || bos.toString().equals(name)) { | |
| 796 if (thread instanceof CompilerThread) { | |
| 797 CompilerThread ct = (CompilerThread)thread; | |
| 798 out.println(ct); | |
| 799 ciEnv env = ct.env(); | |
| 800 if (env != null) { | |
| 801 Compile c = env.compilerData(); | |
| 802 c.cfg().dump(out); | |
| 803 } | |
| 804 } | |
| 805 } | |
| 806 } | |
| 807 } | |
| 808 } | |
| 809 }, | |
| 810 new Command("dumpilt", "dumpilt { -a | id }", false) { | |
| 811 // dumps the InlineTree of a C2 compile | |
| 812 public void doit(Tokens t) { | |
| 813 if (t.countTokens() != 1) { | |
| 814 usage(); | |
| 815 } else { | |
| 816 String name = t.nextToken(); | |
| 817 boolean all = name.equals("-a"); | |
| 818 Threads threads = VM.getVM().getThreads(); | |
| 819 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 820 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 821 thread.printThreadIDOn(new PrintStream(bos)); | |
| 822 if (all || bos.toString().equals(name)) { | |
| 823 if (thread instanceof CompilerThread) { | |
| 824 CompilerThread ct = (CompilerThread)thread; | |
| 825 ciEnv env = ct.env(); | |
| 826 if (env != null) { | |
| 827 Compile c = env.compilerData(); | |
| 828 InlineTree ilt = c.ilt(); | |
| 829 if (ilt != null) { | |
| 830 ilt.print(out); | |
| 831 } | |
| 832 } | |
| 833 } | |
| 834 } | |
| 835 } | |
| 836 } | |
| 837 } | |
| 838 }, | |
| 839 new Command("vmstructsdump", "vmstructsdump", false) { | |
| 840 public void doit(Tokens t) { | |
| 841 if (t.countTokens() != 0) { | |
| 842 usage(); | |
| 843 return; | |
| 844 } | |
| 845 | |
| 846 // Dump a copy of the type database in a form that can | |
| 847 // be read back. | |
| 848 Iterator i = agent.getTypeDataBase().getTypes(); | |
| 849 // Make sure the types are emitted in an order than can be read back in | |
| 850 HashSet emitted = new HashSet(); | |
| 851 Stack pending = new Stack(); | |
| 852 while (i.hasNext()) { | |
| 853 Type n = (Type)i.next(); | |
| 854 if (emitted.contains(n.getName())) { | |
| 855 continue; | |
| 856 } | |
| 857 | |
| 858 while (n != null && !emitted.contains(n.getName())) { | |
| 859 pending.push(n); | |
| 860 n = n.getSuperclass(); | |
| 861 } | |
| 862 while (!pending.empty()) { | |
| 863 n = (Type)pending.pop(); | |
| 864 dumpType(n); | |
| 865 emitted.add(n.getName()); | |
| 866 } | |
| 867 } | |
| 868 i = agent.getTypeDataBase().getTypes(); | |
| 869 while (i.hasNext()) { | |
| 870 dumpFields((Type)i.next(), false); | |
| 871 } | |
| 872 } | |
| 873 }, | |
| 874 | |
| 0 | 875 new Command("inspect", "inspect expression", false) { |
| 876 public void doit(Tokens t) { | |
| 877 if (t.countTokens() != 1) { | |
| 878 usage(); | |
| 879 } else { | |
| 880 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 881 SimpleTreeNode node = null; | |
| 882 if (VM.getVM().getUniverse().heap().isInReserved(a)) { | |
| 883 OopHandle handle = a.addOffsetToAsOopHandle(0); | |
| 884 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
| 885 node = new OopTreeNodeAdapter(oop, null); | |
| 886 | |
| 887 out.println("instance of " + node.getValue() + " @ " + a + | |
| 888 " (size = " + oop.getObjectSize() + ")"); | |
| 889 } else if (VM.getVM().getCodeCache().contains(a)) { | |
| 890 CodeBlob blob = VM.getVM().getCodeCache().findBlobUnsafe(a); | |
| 891 a = blob.headerBegin(); | |
| 892 } | |
| 893 if (node == null) { | |
| 894 Type type = VM.getVM().getTypeDataBase().guessTypeForAddress(a); | |
| 895 if (type != null) { | |
| 896 out.println("Type is " + type.getName() + " (size of " + type.getSize() + ")"); | |
| 897 node = new CTypeTreeNodeAdapter(a, type, null); | |
| 898 } | |
| 899 } | |
| 900 if (node != null) { | |
| 901 printNode(node); | |
| 902 } | |
| 903 } | |
| 904 } | |
| 905 }, | |
| 906 new Command("jhisto", "jhisto", false) { | |
| 907 public void doit(Tokens t) { | |
| 908 ObjectHistogram histo = new ObjectHistogram(); | |
| 909 histo.run(out, err); | |
| 910 } | |
| 911 }, | |
| 912 new Command("jstack", "jstack [-v]", false) { | |
| 913 public void doit(Tokens t) { | |
| 914 boolean verbose = false; | |
| 915 if (t.countTokens() > 0 && t.nextToken().equals("-v")) { | |
| 916 verbose = true; | |
| 917 } | |
| 918 StackTrace jstack = new StackTrace(verbose, true); | |
| 919 jstack.run(out); | |
| 920 } | |
| 921 }, | |
| 922 new Command("print", "print expression", false) { | |
| 923 public void doit(Tokens t) { | |
| 924 if (t.countTokens() != 1) { | |
| 925 usage(); | |
| 926 } else { | |
| 927 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 928 HTMLGenerator gen = new HTMLGenerator(false); | |
| 929 out.println(gen.genHTML(a)); | |
| 930 } | |
| 931 } | |
| 932 }, | |
| 933 new Command("printas", "printas type expression", false) { | |
| 934 public void doit(Tokens t) { | |
| 935 if (t.countTokens() != 2) { | |
| 936 usage(); | |
| 937 } else { | |
| 938 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 939 Address a = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 940 CTypeTreeNodeAdapter node = new CTypeTreeNodeAdapter(a, type, null); | |
| 941 | |
| 942 out.println("pointer to " + type + " @ " + a + | |
| 943 " (size = " + type.getSize() + ")"); | |
| 944 printNode(node); | |
| 945 } | |
| 946 } | |
| 947 }, | |
| 948 new Command("printstatics", "printstatics [ type ]", false) { | |
| 949 public void doit(Tokens t) { | |
| 950 if (t.countTokens() > 1) { | |
| 951 usage(); | |
| 952 } else { | |
| 953 if (t.countTokens() == 0) { | |
| 954 out.println("All known static fields"); | |
| 955 printNode(new CTypeTreeNodeAdapter(agent.getTypeDataBase().getTypes())); | |
| 956 } else { | |
| 957 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 958 out.println("Static fields of " + type.getName()); | |
| 959 printNode(new CTypeTreeNodeAdapter(type)); | |
| 960 } | |
| 961 } | |
| 962 } | |
| 963 }, | |
| 964 new Command("pmap", "pmap", false) { | |
| 965 public void doit(Tokens t) { | |
| 966 PMap pmap = new PMap(); | |
| 967 pmap.run(out, debugger.getAgent().getDebugger()); | |
| 968 } | |
| 969 }, | |
| 970 new Command("pstack", "pstack [-v]", false) { | |
| 971 public void doit(Tokens t) { | |
| 972 boolean verbose = false; | |
| 973 if (t.countTokens() > 0 && t.nextToken().equals("-v")) { | |
| 974 verbose = true; | |
| 975 } | |
| 976 PStack pstack = new PStack(verbose, true); | |
| 977 pstack.run(out, debugger.getAgent().getDebugger()); | |
| 978 } | |
| 979 }, | |
| 980 new Command("quit", true) { | |
| 981 public void doit(Tokens t) { | |
| 982 if (t.countTokens() != 0) { | |
| 983 usage(); | |
| 984 } else { | |
| 985 debugger.detach(); | |
| 986 System.exit(0); | |
| 987 } | |
| 988 } | |
| 989 }, | |
| 990 new Command("echo", "echo [ true | false ]", true) { | |
| 991 public void doit(Tokens t) { | |
| 992 if (t.countTokens() == 0) { | |
| 993 out.println("echo is " + doEcho); | |
| 994 } else if (t.countTokens() == 1) { | |
| 995 doEcho = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 996 } else { | |
| 997 usage(); | |
| 998 } | |
| 999 } | |
| 1000 }, | |
| 1001 new Command("versioncheck", "versioncheck [ true | false ]", true) { | |
| 1002 public void doit(Tokens t) { | |
| 1003 if (t.countTokens() == 0) { | |
| 1004 out.println("versioncheck is " + | |
| 1005 (System.getProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck") == null)); | |
| 1006 } else if (t.countTokens() == 1) { | |
| 1007 if (Boolean.valueOf(t.nextToken()).booleanValue()) { | |
| 1008 System.setProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck", null); | |
| 1009 } else { | |
| 1010 System.setProperty("sun.jvm.hotspot.runtime.VM.disableVersionCheck", "true"); | |
| 1011 } | |
| 1012 } else { | |
| 1013 usage(); | |
| 1014 } | |
| 1015 } | |
| 1016 }, | |
| 1017 new Command("scanoops", "scanoops start end [ type ]", false) { | |
| 1018 public void doit(Tokens t) { | |
| 1019 if (t.countTokens() != 2 && t.countTokens() != 3) { | |
| 1020 usage(); | |
| 1021 } else { | |
| 1022 long stride = VM.getVM().getAddressSize(); | |
| 1023 Address base = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 1024 Address end = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 1025 Klass klass = null; | |
| 1026 if (t.countTokens() == 1) { | |
| 1027 klass = SystemDictionaryHelper.findInstanceKlass(t.nextToken()); | |
| 1028 } | |
| 1029 while (base != null && base.lessThan(end)) { | |
| 1030 long step = stride; | |
| 1031 OopHandle handle = base.addOffsetToAsOopHandle(0); | |
| 1032 if (RobustOopDeterminator.oopLooksValid(handle)) { | |
| 1033 try { | |
| 1034 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
| 1035 if (klass == null || oop.getKlass().isSubtypeOf(klass)) | |
| 1036 out.println(handle.toString() + " " + oop.getKlass().getName().asString()); | |
| 1037 step = oop.getObjectSize(); | |
| 1038 } catch (UnknownOopException ex) { | |
| 1039 // ok | |
| 1040 } catch (RuntimeException ex) { | |
| 1041 ex.printStackTrace(); | |
| 1042 } | |
| 1043 } | |
| 1044 base = base.addOffsetTo(step); | |
| 1045 } | |
| 1046 } | |
| 1047 } | |
| 1048 }, | |
| 3939 | 1049 new Command("intConstant", "intConstant [ name [ value ] ]", true) { |
| 1050 public void doit(Tokens t) { | |
| 1051 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 2) { | |
| 1052 usage(); | |
| 1053 return; | |
| 1054 } | |
| 1055 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
| 1056 if (t.countTokens() == 1) { | |
| 1057 out.println("intConstant " + name + " " + db.lookupIntConstant(name)); | |
| 1058 } else if (t.countTokens() == 0) { | |
| 1059 Iterator i = db.getIntConstants(); | |
| 1060 while (i.hasNext()) { | |
| 1061 String name = (String)i.next(); | |
| 1062 out.println("intConstant " + name + " " + db.lookupIntConstant(name)); | |
| 1063 } | |
| 1064 } else if (t.countTokens() == 2) { | |
| 1065 String name = t.nextToken(); | |
| 1066 Integer value = Integer.valueOf(t.nextToken()); | |
| 1067 db.addIntConstant(name, value); | |
| 1068 } | |
| 1069 } | |
| 1070 }, | |
| 1071 new Command("longConstant", "longConstant [ name [ value ] ]", true) { | |
| 1072 public void doit(Tokens t) { | |
| 1073 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 2) { | |
| 1074 usage(); | |
| 1075 return; | |
| 1076 } | |
| 1077 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
| 1078 if (t.countTokens() == 1) { | |
| 1079 out.println("longConstant " + name + " " + db.lookupLongConstant(name)); | |
| 1080 } else if (t.countTokens() == 0) { | |
| 1081 Iterator i = db.getLongConstants(); | |
| 1082 while (i.hasNext()) { | |
| 1083 String name = (String)i.next(); | |
| 1084 out.println("longConstant " + name + " " + db.lookupLongConstant(name)); | |
| 1085 } | |
| 1086 } else if (t.countTokens() == 2) { | |
| 1087 String name = t.nextToken(); | |
| 1088 Long value = Long.valueOf(t.nextToken()); | |
| 1089 db.addLongConstant(name, value); | |
| 1090 } | |
| 1091 } | |
| 1092 }, | |
| 0 | 1093 new Command("field", "field [ type [ name fieldtype isStatic offset address ] ]", true) { |
| 1094 public void doit(Tokens t) { | |
| 1095 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 6) { | |
| 1096 usage(); | |
| 1097 return; | |
| 1098 } | |
| 1099 if (t.countTokens() == 1) { | |
| 1100 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 1101 dumpFields(type); | |
| 1102 } else if (t.countTokens() == 0) { | |
| 1103 Iterator i = agent.getTypeDataBase().getTypes(); | |
| 1104 while (i.hasNext()) { | |
| 1105 dumpFields((Type)i.next()); | |
| 1106 } | |
| 1107 } else { | |
| 1108 BasicType containingType = (BasicType)agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 1109 | |
| 1110 String fieldName = t.nextToken(); | |
| 1111 | |
| 1112 // The field's Type must already be in the database -- no exceptions | |
| 1113 Type fieldType = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 1114 | |
| 1115 boolean isStatic = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1116 long offset = Long.parseLong(t.nextToken()); | |
| 1117 Address staticAddress = parseAddress(t.nextToken()); | |
| 1118 if (isStatic && staticAddress == null) { | |
| 1119 staticAddress = lookup(containingType.getName() + "::" + fieldName); | |
| 1120 } | |
| 1121 | |
| 1122 // check to see if the field already exists | |
| 1123 Iterator i = containingType.getFields(); | |
| 1124 while (i.hasNext()) { | |
| 1125 Field f = (Field) i.next(); | |
| 1126 if (f.getName().equals(fieldName)) { | |
| 1127 if (f.isStatic() != isStatic) { | |
| 1128 throw new RuntimeException("static/nonstatic mismatch: " + t.input); | |
| 1129 } | |
| 1130 if (!isStatic) { | |
| 1131 if (f.getOffset() != offset) { | |
| 1132 throw new RuntimeException("bad redefinition of field offset: " + t.input); | |
| 1133 } | |
| 1134 } else { | |
| 1135 if (!f.getStaticFieldAddress().equals(staticAddress)) { | |
| 1136 throw new RuntimeException("bad redefinition of field location: " + t.input); | |
| 1137 } | |
| 1138 } | |
| 1139 if (f.getType() != fieldType) { | |
| 1140 throw new RuntimeException("bad redefinition of field type: " + t.input); | |
| 1141 } | |
| 1142 return; | |
| 1143 } | |
| 1144 } | |
| 1145 | |
| 1146 // Create field by type | |
| 1147 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
| 1148 db.createField(containingType, | |
| 1149 fieldName, fieldType, | |
| 1150 isStatic, | |
| 1151 offset, | |
| 1152 staticAddress); | |
| 1153 | |
| 1154 } | |
| 1155 } | |
| 1156 | |
| 1157 }, | |
| 1158 new Command("tokenize", "tokenize ...", true) { | |
| 1159 public void doit(Tokens t) { | |
| 1160 while (t.hasMoreTokens()) { | |
| 1161 out.println("\"" + t.nextToken() + "\""); | |
| 1162 } | |
| 1163 } | |
| 1164 }, | |
| 1165 new Command("type", "type [ type [ name super isOop isInteger isUnsigned size ] ]", true) { | |
| 1166 public void doit(Tokens t) { | |
| 1167 if (t.countTokens() != 1 && t.countTokens() != 0 && t.countTokens() != 6) { | |
| 1168 usage(); | |
| 1169 return; | |
| 1170 } | |
| 1171 if (t.countTokens() == 6) { | |
| 1172 String typeName = t.nextToken(); | |
| 1173 String superclassName = t.nextToken(); | |
| 1174 if (superclassName.equals("null")) { | |
| 1175 superclassName = null; | |
| 1176 } | |
| 1177 boolean isOop = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1178 boolean isInteger = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1179 boolean isUnsigned = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1180 long size = Long.parseLong(t.nextToken()); | |
| 1181 | |
| 1182 BasicType type = null; | |
| 1183 try { | |
| 1184 type = (BasicType)agent.getTypeDataBase().lookupType(typeName); | |
| 1185 } catch (RuntimeException e) { | |
| 1186 } | |
| 1187 if (type != null) { | |
| 1188 if (type.isOopType() != isOop) { | |
| 1189 throw new RuntimeException("oop mismatch in type definition: " + t.input); | |
| 1190 } | |
| 1191 if (type.isCIntegerType() != isInteger) { | |
| 1192 throw new RuntimeException("integer type mismatch in type definition: " + t.input); | |
| 1193 } | |
| 1194 if (type.isCIntegerType() && (((CIntegerType)type).isUnsigned()) != isUnsigned) { | |
| 1195 throw new RuntimeException("unsigned mismatch in type definition: " + t.input); | |
| 1196 } | |
| 1197 if (type.getSuperclass() == null) { | |
| 1198 if (superclassName != null) { | |
| 1199 if (type.getSize() == -1) { | |
| 1200 type.setSuperclass(agent.getTypeDataBase().lookupType(superclassName)); | |
| 1201 } else { | |
| 1202 throw new RuntimeException("unexpected superclass in type definition: " + t.input); | |
| 1203 } | |
| 1204 } | |
| 1205 } else { | |
| 1206 if (superclassName == null) { | |
| 1207 throw new RuntimeException("missing superclass in type definition: " + t.input); | |
| 1208 } | |
| 1209 if (!type.getSuperclass().getName().equals(superclassName)) { | |
| 1210 throw new RuntimeException("incorrect superclass in type definition: " + t.input); | |
| 1211 } | |
| 1212 } | |
| 1213 if (type.getSize() != size) { | |
| 1214 if (type.getSize() == -1) { | |
| 1215 type.setSize(size); | |
| 1216 } | |
| 1217 throw new RuntimeException("size mismatch in type definition: " + t.input); | |
| 1218 } | |
| 1219 return; | |
| 1220 } | |
| 1221 | |
| 1222 // Create type | |
| 1223 HotSpotTypeDataBase db = (HotSpotTypeDataBase)agent.getTypeDataBase(); | |
| 1224 db.createType(typeName, superclassName, isOop, isInteger, isUnsigned, size); | |
| 1225 } else if (t.countTokens() == 1) { | |
| 1226 Type type = agent.getTypeDataBase().lookupType(t.nextToken()); | |
| 1227 dumpType(type); | |
| 1228 } else { | |
| 1229 Iterator i = agent.getTypeDataBase().getTypes(); | |
| 1385 | 1230 // Make sure the types are emitted in an order than can be read back in |
| 1231 HashSet emitted = new HashSet(); | |
| 1232 Stack pending = new Stack(); | |
| 0 | 1233 while (i.hasNext()) { |
| 1385 | 1234 Type n = (Type)i.next(); |
| 1235 if (emitted.contains(n.getName())) { | |
| 1236 continue; | |
| 1237 } | |
| 1238 | |
| 1239 while (n != null && !emitted.contains(n.getName())) { | |
| 1240 pending.push(n); | |
| 1241 n = n.getSuperclass(); | |
| 1242 } | |
| 1243 while (!pending.empty()) { | |
| 1244 n = (Type)pending.pop(); | |
| 1245 dumpType(n); | |
| 1246 emitted.add(n.getName()); | |
| 1247 } | |
| 0 | 1248 } |
| 1249 } | |
| 1250 } | |
| 1251 | |
| 1252 }, | |
| 1253 new Command("source", "source filename", true) { | |
| 1254 public void doit(Tokens t) { | |
| 1255 if (t.countTokens() != 1) { | |
| 1256 usage(); | |
| 1257 return; | |
| 1258 } | |
| 1259 String file = t.nextToken(); | |
| 1260 BufferedReader savedInput = in; | |
| 1261 try { | |
| 1262 BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(file))); | |
| 1263 in = input; | |
| 1264 run(false); | |
| 1265 } catch (Exception e) { | |
| 1266 out.println("Error: " + e); | |
| 1267 if (verboseExceptions) { | |
| 1268 e.printStackTrace(out); | |
| 1269 } | |
| 1270 } finally { | |
| 1271 in = savedInput; | |
| 1272 } | |
| 1273 | |
| 1274 } | |
| 1275 }, | |
| 1385 | 1276 new Command("search", "search [ heap | perm | rawheap | codecache | threads ] value", false) { |
| 0 | 1277 public void doit(Tokens t) { |
| 1278 if (t.countTokens() != 2) { | |
| 1279 usage(); | |
| 1385 | 1280 return; |
| 1281 } | |
| 1282 String type = t.nextToken(); | |
| 1283 final Address value = VM.getVM().getDebugger().parseAddress(t.nextToken()); | |
| 1284 final long stride = VM.getVM().getAddressSize(); | |
| 1285 if (type.equals("threads")) { | |
| 1286 Threads threads = VM.getVM().getThreads(); | |
| 1287 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 1288 Address base = thread.getBaseOfStackPointer(); | |
| 1289 Address end = thread.getLastJavaSP(); | |
| 1290 if (end == null) continue; | |
| 1291 if (end.lessThan(base)) { | |
| 1292 Address tmp = base; | |
| 1293 base = end; | |
| 1294 end = tmp; | |
| 1295 } | |
| 1296 out.println("Searching " + base + " " + end); | |
| 1297 while (base != null && base.lessThan(end)) { | |
| 1298 Address val = base.getAddressAt(0); | |
| 1299 if (AddressOps.equal(val, value)) { | |
| 1300 out.println(base); | |
| 1301 } | |
| 1302 base = base.addOffsetTo(stride); | |
| 1303 } | |
| 1304 } | |
| 1305 } else if (type.equals("rawheap")) { | |
| 1306 RawHeapVisitor iterator = new RawHeapVisitor() { | |
| 1307 public void prologue(long used) { | |
| 0 | 1308 } |
| 1385 | 1309 |
| 1310 public void visitAddress(Address addr) { | |
| 1311 Address val = addr.getAddressAt(0); | |
| 0 | 1312 if (AddressOps.equal(val, value)) { |
| 1385 | 1313 out.println("found at " + addr); |
| 0 | 1314 } |
| 1385 | 1315 } |
| 1316 public void visitCompOopAddress(Address addr) { | |
| 1317 Address val = addr.getCompOopAddressAt(0); | |
| 1318 if (AddressOps.equal(val, value)) { | |
| 1319 out.println("found at " + addr); | |
| 1320 } | |
| 0 | 1321 } |
| 1385 | 1322 public void epilogue() { |
| 1323 } | |
| 1324 }; | |
| 1325 VM.getVM().getObjectHeap().iterateRaw(iterator); | |
|
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3939
diff
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|
1326 } else if (type.equals("heap")) { |
| 1385 | 1327 HeapVisitor iterator = new DefaultHeapVisitor() { |
| 1328 public boolean doObj(Oop obj) { | |
| 1329 int index = 0; | |
| 1330 Address start = obj.getHandle(); | |
| 1331 long end = obj.getObjectSize(); | |
| 1332 while (index < end) { | |
| 1333 Address val = start.getAddressAt(index); | |
| 0 | 1334 if (AddressOps.equal(val, value)) { |
| 1385 | 1335 out.println("found in " + obj.getHandle()); |
| 1336 break; | |
| 0 | 1337 } |
| 1385 | 1338 index += 4; |
| 0 | 1339 } |
| 1385 | 1340 return false; |
| 1341 } | |
| 1342 }; | |
| 1343 VM.getVM().getObjectHeap().iterate(iterator); | |
| 1344 } else if (type.equals("codecache")) { | |
| 1345 CodeCacheVisitor v = new CodeCacheVisitor() { | |
| 1346 public void prologue(Address start, Address end) { | |
| 1347 } | |
| 1348 public void visit(CodeBlob blob) { | |
| 1349 boolean printed = false; | |
| 1350 Address base = blob.getAddress(); | |
| 1351 Address end = base.addOffsetTo(blob.getSize()); | |
| 1352 while (base != null && base.lessThan(end)) { | |
| 1353 Address val = base.getAddressAt(0); | |
| 1354 if (AddressOps.equal(val, value)) { | |
| 1355 if (!printed) { | |
| 1356 printed = true; | |
|
3388
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7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
2426
diff
changeset
|
1357 try { |
|
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
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parents:
2426
diff
changeset
|
1358 blob.printOn(out); |
|
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
2426
diff
changeset
|
1359 } catch (Exception e) { |
|
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
never
parents:
2426
diff
changeset
|
1360 out.println("Exception printing blob at " + base); |
|
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
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parents:
2426
diff
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|
1361 e.printStackTrace(); |
|
a80577f854f9
7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp
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parents:
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diff
changeset
|
1362 } |
| 0 | 1363 } |
| 1385 | 1364 out.println("found at " + base + "\n"); |
| 0 | 1365 } |
| 1385 | 1366 base = base.addOffsetTo(stride); |
| 0 | 1367 } |
| 1385 | 1368 } |
| 1369 public void epilogue() { | |
| 1370 } | |
| 0 | 1371 |
| 1372 | |
| 1385 | 1373 }; |
| 1374 VM.getVM().getCodeCache().iterate(v); | |
| 0 | 1375 |
| 1376 } | |
| 1377 } | |
| 1378 }, | |
|
1040
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6892186: SA does not dump debug info for scalar replaced objects
kvn
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196
diff
changeset
|
1379 new Command("dumpcodecache", "dumpcodecache", false) { |
|
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diff
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|
1380 public void doit(Tokens t) { |
|
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|
1381 if (t.countTokens() != 0) { |
|
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|
1382 usage(); |
|
873ec3787992
6892186: SA does not dump debug info for scalar replaced objects
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|
1383 } else { |
|
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6892186: SA does not dump debug info for scalar replaced objects
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diff
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|
1384 final PrintStream fout = out; |
|
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1385 final HTMLGenerator gen = new HTMLGenerator(false); |
|
873ec3787992
6892186: SA does not dump debug info for scalar replaced objects
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1386 CodeCacheVisitor v = new CodeCacheVisitor() { |
|
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|
1387 public void prologue(Address start, Address end) { |
|
873ec3787992
6892186: SA does not dump debug info for scalar replaced objects
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1388 } |
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1389 public void visit(CodeBlob blob) { |
| 1748 | 1390 fout.println(gen.genHTML(blob.contentBegin())); |
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1391 } |
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1392 public void epilogue() { |
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1393 } |
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1394 |
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1395 |
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1396 }; |
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1397 VM.getVM().getCodeCache().iterate(v); |
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1398 } |
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1399 } |
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1400 }, |
| 0 | 1401 new Command("where", "where { -a | id }", false) { |
| 1402 public void doit(Tokens t) { | |
| 1403 if (t.countTokens() != 1) { | |
| 1404 usage(); | |
| 1405 } else { | |
| 1406 String name = t.nextToken(); | |
| 1407 Threads threads = VM.getVM().getThreads(); | |
| 1408 boolean all = name.equals("-a"); | |
| 1409 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 1410 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 1411 thread.printThreadIDOn(new PrintStream(bos)); | |
| 1412 if (all || bos.toString().equals(name)) { | |
| 1385 | 1413 out.println(bos.toString() + " = " + thread.getAddress()); |
| 0 | 1414 HTMLGenerator gen = new HTMLGenerator(false); |
| 1385 | 1415 try { |
| 1416 out.println(gen.genHTMLForJavaStackTrace(thread)); | |
| 1417 } catch (Exception e) { | |
| 1418 err.println("Error: " + e); | |
| 1419 if (verboseExceptions) { | |
| 1420 e.printStackTrace(err); | |
| 1421 } | |
| 1422 } | |
| 0 | 1423 if (!all) return; |
| 1424 } | |
| 1425 } | |
| 1426 if (!all) out.println("Couldn't find thread " + name); | |
| 1427 } | |
| 1428 } | |
| 1429 }, | |
| 1385 | 1430 new Command("thread", "thread { -a | id }", false) { |
| 1431 public void doit(Tokens t) { | |
| 1432 if (t.countTokens() != 1) { | |
| 1433 usage(); | |
| 1434 } else { | |
| 1435 String name = t.nextToken(); | |
| 1436 Threads threads = VM.getVM().getThreads(); | |
| 1437 boolean all = name.equals("-a"); | |
| 1438 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 1439 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 1440 thread.printThreadIDOn(new PrintStream(bos)); | |
| 1441 if (all || bos.toString().equals(name)) { | |
| 1442 out.println(bos.toString() + " = " + thread.getAddress()); | |
| 1443 if (!all) return; | |
| 1444 } | |
| 1445 } | |
| 1446 out.println("Couldn't find thread " + name); | |
| 1447 } | |
| 1448 } | |
| 1449 }, | |
| 0 | 1450 |
| 1451 new Command("threads", false) { | |
| 1452 public void doit(Tokens t) { | |
| 1453 if (t.countTokens() != 0) { | |
| 1454 usage(); | |
| 1455 } else { | |
| 1456 Threads threads = VM.getVM().getThreads(); | |
| 1457 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 1458 thread.printThreadIDOn(out); | |
| 1459 out.println(" " + thread.getThreadName()); | |
| 1460 } | |
| 1461 } | |
| 1462 } | |
| 1463 }, | |
| 1464 | |
| 1465 new Command("livenmethods", false) { | |
| 1466 public void doit(Tokens t) { | |
| 1467 if (t.countTokens() != 0) { | |
| 1468 usage(); | |
| 1469 } else { | |
| 1470 ArrayList nmethods = new ArrayList(); | |
| 1471 Threads threads = VM.getVM().getThreads(); | |
| 1472 HTMLGenerator gen = new HTMLGenerator(false); | |
| 1473 for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) { | |
| 1474 try { | |
| 1475 for (JavaVFrame vf = thread.getLastJavaVFrameDbg(); vf != null; vf = vf.javaSender()) { | |
| 1476 if (vf instanceof CompiledVFrame) { | |
| 1477 NMethod c = ((CompiledVFrame)vf).getCode(); | |
| 1478 if (!nmethods.contains(c)) { | |
| 1479 nmethods.add(c); | |
| 1480 out.println(gen.genHTML(c)); | |
| 1481 } | |
| 1482 } | |
| 1483 } | |
| 1484 } catch (Exception e) { | |
| 1485 e.printStackTrace(); | |
| 1486 } | |
| 1487 } | |
| 1488 } | |
| 1489 } | |
| 1490 }, | |
| 1491 new Command("universe", false) { | |
| 1492 public void doit(Tokens t) { | |
| 1493 if (t.countTokens() != 0) { | |
| 1494 usage(); | |
| 1495 } else { | |
| 1496 Universe u = VM.getVM().getUniverse(); | |
| 1497 out.println("Heap Parameters:"); | |
| 1498 u.heap().printOn(out); | |
| 1499 } | |
| 1500 } | |
| 1501 }, | |
| 1502 new Command("verbose", "verbose true | false", true) { | |
| 1503 public void doit(Tokens t) { | |
| 1504 if (t.countTokens() != 1) { | |
| 1505 usage(); | |
| 1506 } else { | |
| 1507 verboseExceptions = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1508 } | |
| 1509 } | |
| 1510 }, | |
| 1511 new Command("assert", "assert true | false", true) { | |
| 1512 public void doit(Tokens t) { | |
| 1513 if (t.countTokens() != 1) { | |
| 1514 usage(); | |
| 1515 } else { | |
| 1516 Assert.ASSERTS_ENABLED = Boolean.valueOf(t.nextToken()).booleanValue(); | |
| 1517 } | |
| 1518 } | |
| 1519 }, | |
| 1520 }; | |
| 1521 | |
| 1522 private boolean verboseExceptions = false; | |
| 1523 private ArrayList history = new ArrayList(); | |
| 1524 private HashMap commands = new HashMap(); | |
| 1525 private boolean doEcho = false; | |
| 1526 | |
| 1527 private Command findCommand(String key) { | |
| 1528 return (Command)commands.get(key); | |
| 1529 } | |
| 1530 | |
| 1531 public void printPrompt() { | |
| 1532 out.print("hsdb> "); | |
| 1533 } | |
| 1534 | |
| 1535 private DebuggerInterface debugger; | |
| 1536 private HotSpotAgent agent; | |
| 1537 private JSJavaScriptEngine jsengine; | |
| 1538 private BufferedReader in; | |
| 1539 private PrintStream out; | |
| 1540 private PrintStream err; | |
| 1541 | |
| 1542 // called before debuggee attach | |
| 1543 private void preAttach() { | |
| 1544 // nothing for now.. | |
| 1545 } | |
| 1546 | |
| 1547 // called after debuggee attach | |
| 1548 private void postAttach() { | |
| 1549 // create JavaScript engine and start it | |
| 1550 jsengine = new JSJavaScriptEngine() { | |
| 1551 private ObjectReader reader = new ObjectReader(); | |
| 1552 private JSJavaFactory factory = new JSJavaFactoryImpl(); | |
| 1553 public ObjectReader getObjectReader() { | |
| 1554 return reader; | |
| 1555 } | |
| 1556 public JSJavaFactory getJSJavaFactory() { | |
| 1557 return factory; | |
| 1558 } | |
| 1559 protected void quit() { | |
| 1560 debugger.detach(); | |
| 1561 System.exit(0); | |
| 1562 } | |
| 1563 protected BufferedReader getInputReader() { | |
| 1564 return in; | |
| 1565 } | |
| 1566 protected PrintStream getOutputStream() { | |
| 1567 return out; | |
| 1568 } | |
| 1569 protected PrintStream getErrorStream() { | |
| 1570 return err; | |
| 1571 } | |
| 1572 }; | |
| 1573 try { | |
| 1574 jsengine.defineFunction(this, | |
| 1575 this.getClass().getMethod("registerCommand", | |
| 1576 new Class[] { | |
| 1577 String.class, String.class, String.class | |
| 1578 })); | |
| 1579 } catch (NoSuchMethodException exp) { | |
| 1580 // should not happen, see below...!! | |
| 1581 exp.printStackTrace(); | |
| 1582 } | |
| 1583 jsengine.start(); | |
| 1584 } | |
| 1585 | |
| 1586 public void registerCommand(String cmd, String usage, final String func) { | |
| 1587 commands.put(cmd, new Command(cmd, usage, false) { | |
| 1588 public void doit(Tokens t) { | |
| 1589 final int len = t.countTokens(); | |
| 1590 Object[] args = new Object[len]; | |
| 1591 for (int i = 0; i < len; i++) { | |
| 1592 args[i] = t.nextToken(); | |
| 1593 } | |
| 1594 jsengine.call(func, args); | |
| 1595 } | |
| 1596 }); | |
| 1597 } | |
| 1598 | |
| 1599 public void setOutput(PrintStream o) { | |
| 1600 out = o; | |
| 1601 } | |
| 1602 | |
| 1603 public void setErr(PrintStream e) { | |
| 1604 err = e; | |
| 1605 } | |
| 1606 | |
| 1607 public CommandProcessor(DebuggerInterface debugger, BufferedReader in, PrintStream out, PrintStream err) { | |
| 1608 this.debugger = debugger; | |
| 1609 this.agent = debugger.getAgent(); | |
| 1610 this.in = in; | |
| 1611 this.out = out; | |
| 1612 this.err = err; | |
| 1613 for (int i = 0; i < commandList.length; i++) { | |
| 1614 Command c = commandList[i]; | |
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1615 if (commands.get(c.name) != null) { |
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1616 throw new InternalError(c.name + " has multiple definitions"); |
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1617 } |
| 0 | 1618 commands.put(c.name, c); |
| 1619 } | |
| 1620 if (debugger.isAttached()) { | |
| 1621 postAttach(); | |
| 1622 } | |
| 1623 } | |
| 1624 | |
| 1625 | |
| 1626 public void run(boolean prompt) { | |
| 1627 // Process interactive commands. | |
| 1628 while (true) { | |
| 1629 if (prompt) printPrompt(); | |
| 1630 String ln = null; | |
| 1631 try { | |
| 1632 ln = in.readLine(); | |
| 1633 } catch (IOException e) { | |
| 1634 } | |
| 1635 if (ln == null) { | |
| 1636 if (prompt) err.println("Input stream closed."); | |
| 1637 return; | |
| 1638 } | |
| 1639 | |
| 3939 | 1640 executeCommand(ln, prompt); |
| 0 | 1641 } |
| 1642 } | |
| 1643 | |
| 1385 | 1644 static Pattern historyPattern = Pattern.compile("((!\\*)|(!\\$)|(!!-?)|(!-?[0-9][0-9]*)|(![a-zA-Z][^ ]*))"); |
| 0 | 1645 |
| 3939 | 1646 public void executeCommand(String ln, boolean putInHistory) { |
| 0 | 1647 if (ln.indexOf('!') != -1) { |
| 1648 int size = history.size(); | |
| 1649 if (size == 0) { | |
| 1650 ln = ""; | |
| 1651 err.println("History is empty"); | |
| 1652 } else { | |
| 1653 StringBuffer result = new StringBuffer(); | |
| 1654 Matcher m = historyPattern.matcher(ln); | |
| 1655 int start = 0; | |
| 1656 while (m.find()) { | |
| 1657 if (m.start() > start) { | |
| 1658 result.append(ln.substring(start, m.start() - start)); | |
| 1659 } | |
| 1660 start = m.end(); | |
| 1661 | |
| 1662 String cmd = m.group(); | |
| 1663 if (cmd.equals("!!")) { | |
| 1664 result.append((String)history.get(history.size() - 1)); | |
| 1665 } else if (cmd.equals("!!-")) { | |
| 1666 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
| 1667 item.trim(1); | |
| 1668 result.append(item.join(" ")); | |
| 1669 } else if (cmd.equals("!*")) { | |
| 1670 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
| 1671 item.nextToken(); | |
| 1672 result.append(item.join(" ")); | |
| 1673 } else if (cmd.equals("!$")) { | |
| 1674 Tokens item = new Tokens((String)history.get(history.size() - 1)); | |
| 1675 result.append(item.at(item.countTokens() - 1)); | |
| 1676 } else { | |
| 1677 String tail = cmd.substring(1); | |
| 1385 | 1678 switch (tail.charAt(0)) { |
| 1679 case '0': | |
| 1680 case '1': | |
| 1681 case '2': | |
| 1682 case '3': | |
| 1683 case '4': | |
| 1684 case '5': | |
| 1685 case '6': | |
| 1686 case '7': | |
| 1687 case '8': | |
| 1688 case '9': | |
| 1689 case '-': { | |
| 1690 int index = Integer.parseInt(tail); | |
| 1691 if (index < 0) { | |
| 1692 index = history.size() + index; | |
| 1693 } | |
| 1694 if (index > size) { | |
| 1695 err.println("No such history item"); | |
| 1696 } else { | |
| 1697 result.append((String)history.get(index)); | |
| 1698 } | |
| 1699 break; | |
| 0 | 1700 } |
| 1385 | 1701 default: { |
| 1702 for (int i = history.size() - 1; i >= 0; i--) { | |
| 1703 String s = (String)history.get(i); | |
| 1704 if (s.startsWith(tail)) { | |
| 1705 result.append(s); | |
| 1706 } | |
| 1707 } | |
| 1708 } | |
| 0 | 1709 } |
| 1710 } | |
| 1711 } | |
| 1712 if (result.length() == 0) { | |
| 1713 err.println("malformed history reference"); | |
| 1714 ln = ""; | |
| 1715 } else { | |
| 1716 if (start < ln.length()) { | |
| 1717 result.append(ln.substring(start)); | |
| 1718 } | |
| 1719 ln = result.toString(); | |
| 1720 if (!doEcho) { | |
| 1721 out.println(ln); | |
| 1722 } | |
| 1723 } | |
| 1724 } | |
| 1725 } | |
| 1726 | |
| 1727 if (doEcho) { | |
| 1728 out.println("+ " + ln); | |
| 1729 } | |
| 1730 | |
| 1731 PrintStream redirect = null; | |
| 1732 Tokens t = new Tokens(ln); | |
| 1733 if (t.hasMoreTokens()) { | |
| 1734 boolean error = false; | |
| 3939 | 1735 if (putInHistory) history.add(ln); |
| 0 | 1736 int len = t.countTokens(); |
| 1737 if (len > 2) { | |
| 1738 String r = t.at(len - 2); | |
| 1739 if (r.equals(">") || r.equals(">>")) { | |
| 1740 boolean append = r.length() == 2; | |
| 1741 String file = t.at(len - 1); | |
| 1742 try { | |
| 1743 redirect = new PrintStream(new BufferedOutputStream(new FileOutputStream(file, append))); | |
| 1744 t.trim(2); | |
| 1745 } catch (Exception e) { | |
| 1746 out.println("Error: " + e); | |
| 1747 if (verboseExceptions) { | |
| 1748 e.printStackTrace(out); | |
| 1749 } | |
| 1750 error = true; | |
| 1751 } | |
| 1752 } | |
| 1753 } | |
| 1754 if (!error) { | |
| 1755 PrintStream savedout = out; | |
| 1756 if (redirect != null) { | |
| 1757 out = redirect; | |
| 1758 } | |
| 1759 try { | |
| 1760 executeCommand(t); | |
| 1761 } catch (Exception e) { | |
| 1762 err.println("Error: " + e); | |
| 1763 if (verboseExceptions) { | |
| 1764 e.printStackTrace(err); | |
| 1765 } | |
| 1766 } finally { | |
| 1767 if (redirect != null) { | |
| 1768 out = savedout; | |
| 1769 redirect.close(); | |
| 1770 } | |
| 1771 } | |
| 1772 } | |
| 1773 } | |
| 1774 } | |
| 1775 | |
| 1776 void executeCommand(Tokens args) { | |
| 1777 String cmd = args.nextToken(); | |
| 1778 | |
| 1779 Command doit = findCommand(cmd); | |
| 1780 | |
| 1781 /* | |
| 1782 * Check for an unknown command | |
| 1783 */ | |
| 1784 if (doit == null) { | |
| 1785 out.println("Unrecognized command. Try help..."); | |
| 1786 } else if (!debugger.isAttached() && !doit.okIfDisconnected) { | |
| 1787 out.println("Command not valid until the attached to a VM"); | |
| 1788 } else { | |
| 1789 try { | |
| 1790 doit.doit(args); | |
| 1791 } catch (Exception e) { | |
| 1792 out.println("Error: " + e); | |
| 1793 if (verboseExceptions) { | |
| 1794 e.printStackTrace(out); | |
| 1795 } | |
| 1796 } | |
| 1797 } | |
| 1798 } | |
| 1799 } |