Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/soql/sa.js @ 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 | 5ed317b25e23 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
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2 * Copyright (c) 2004, 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 // shorter names for SA packages | |
| 26 | |
| 27 | |
| 28 // SA package name abbreviations are kept in 'sapkg' object | |
| 29 // to avoid global namespace pollution | |
| 30 var sapkg = new Object(); | |
| 31 | |
| 32 sapkg.hotspot = Packages.sun.jvm.hotspot; | |
| 33 sapkg.asm = sapkg.hotspot.asm; | |
| 34 sapkg.bugspot = sapkg.hotspot.bugspot; | |
| 35 sapkg.c1 = sapkg.hotspot.c1; | |
| 36 sapkg.code = sapkg.hotspot.code; | |
| 37 sapkg.compiler = sapkg.hotspot.compiler; | |
| 38 | |
| 39 // 'debugger' is a JavaScript keyword :-( | |
| 40 // sapkg.debugger = sapkg.hotspot.debugger; | |
| 41 | |
| 42 sapkg.interpreter = sapkg.hotspot.interpreter; | |
| 43 sapkg.livejvm = sapkg.hotspot.livejvm; | |
| 44 sapkg.jdi = sapkg.hotspot.jdi; | |
| 45 sapkg.memory = sapkg.hotspot.memory; | |
| 46 sapkg.oops = sapkg.hotspot.oops; | |
| 47 sapkg.runtime = sapkg.hotspot.runtime; | |
| 48 sapkg.tools = sapkg.hotspot.tools; | |
| 49 sapkg.types = sapkg.hotspot.types; | |
| 50 sapkg.ui = sapkg.hotspot.ui; | |
| 51 sapkg.utilities = sapkg.hotspot.utilities; | |
| 52 | |
| 53 // SA singletons are kept in 'sa' object | |
| 54 var sa = new Object(); | |
| 55 sa.vm = sapkg.runtime.VM.getVM(); | |
| 56 sa.dbg = sa.vm.getDebugger(); | |
| 57 sa.cdbg = sa.dbg.CDebugger; | |
| 58 sa.heap = sa.vm.universe.heap(); | |
| 59 sa.systemDictionary = sa.vm.systemDictionary; | |
| 60 sa.sysDict = sa.systemDictionary; | |
| 61 sa.symbolTable = sa.vm.symbolTable; | |
| 62 sa.symTbl = sa.symbolTable; | |
| 63 sa.threads = sa.vm.threads; | |
| 64 sa.interpreter = sa.vm.interpreter; | |
| 65 sa.typedb = sa.vm.typeDataBase; | |
| 66 sa.codeCache = sa.vm.codeCache; | |
| 67 // 'objHeap' is different from 'heap'!. | |
| 68 // This is SA's Oop factory and heap-walker | |
| 69 sa.objHeap = sa.vm.objectHeap; | |
| 70 | |
| 71 // few useful global variables | |
| 72 var OS = sa.vm.OS; | |
| 73 var CPU = sa.vm.CPU; | |
| 74 var LP64 = sa.vm.LP64; | |
| 75 var isClient = sa.vm.clientCompiler; | |
| 76 var isServer = sa.vm.serverCompiler; | |
| 77 var isCore = sa.vm.isCore(); | |
| 78 var addressSize = sa.vm.addressSize; | |
| 79 var oopSize = sa.vm.oopSize; | |
| 80 | |
| 81 // this "main" function is called immediately | |
| 82 // after loading this script file | |
| 83 function main(globals, jvmarg) { | |
| 84 // wrap a sun.jvm.hotspot.utilities.soql.ScriptObject | |
| 85 // object so that the properties of it can be accessed | |
| 86 // in natural object.field syntax. | |
| 87 function wrapScriptObject(so) { | |
| 88 function unwrapScriptObject(wso) { | |
| 89 var objType = typeof(wso); | |
| 90 if ((objType == 'object' || | |
| 91 objType == 'function') | |
| 92 && "__wrapped__" in wso) { | |
| 93 return wso.__wrapped__; | |
| 94 } else { | |
| 95 return wso; | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 function prepareArgsArray(array) { | |
| 100 var args = new Array(array.length); | |
| 101 for (var a = 0; a < array.length; a++) { | |
| 102 var elem = array[a]; | |
| 103 elem = unwrapScriptObject(elem); | |
| 104 if (typeof(elem) == 'function') { | |
| 105 args[a] = new sapkg.utilities.soql.Callable() { | |
| 106 call: function(myargs) { | |
| 107 var tmp = new Array(myargs.length); | |
| 108 for (var i = 0; i < myargs.length; i++) { | |
| 109 tmp[i] = wrapScriptObject(myargs[i]); | |
| 110 } | |
| 111 return elem.apply(this, tmp); | |
| 112 } | |
| 113 } | |
| 114 } else { | |
| 115 args[a] = elem; | |
| 116 } | |
| 117 } | |
| 118 return args; | |
| 119 } | |
| 120 | |
| 121 if (so instanceof sapkg.utilities.soql.ScriptObject) { | |
| 122 return new JSAdapter() { | |
| 123 __getIds__: function() { | |
| 124 return so.getIds(); | |
| 125 }, | |
| 126 | |
| 127 __has__ : function(name) { | |
| 128 if (typeof(name) == 'number') { | |
| 129 return so["has(int)"](name); | |
| 130 } else { | |
| 131 if (name == '__wrapped__') { | |
| 132 return true; | |
| 133 } else if (so["has(java.lang.String)"](name)) { | |
| 134 return true; | |
| 135 } else if (name.equals('toString')) { | |
| 136 return true; | |
| 137 } else { | |
| 138 return false; | |
| 139 } | |
| 140 } | |
| 141 }, | |
| 142 | |
| 143 __delete__ : function(name) { | |
| 144 if (typeof(name) == 'number') { | |
| 145 return so["delete(int)"](name); | |
| 146 } else { | |
| 147 return so["delete(java.lang.String)"](name); | |
| 148 } | |
| 149 }, | |
| 150 | |
| 151 __get__ : function(name) { | |
| 152 if (! this.__has__(name)) { | |
| 153 return undefined; | |
| 154 } | |
| 155 if (typeof(name) == 'number') { | |
| 156 return wrapScriptObject(so["get(int)"](name)); | |
| 157 } else { | |
| 158 if (name == '__wrapped__') { | |
| 159 return so; | |
| 160 } else { | |
| 161 var value = so["get(java.lang.String)"](name); | |
| 162 if (value instanceof sapkg.utilities.soql.Callable) { | |
| 163 return function() { | |
| 164 var args = prepareArgsArray(arguments); | |
| 165 var r; | |
| 166 try { | |
| 167 r = value.call(args); | |
| 168 } catch (e) { | |
| 169 println("call to " + name + " failed!"); | |
| 170 throw e; | |
| 171 } | |
| 172 return wrapScriptObject(r); | |
| 173 } | |
| 174 } else if (name == 'toString') { | |
| 175 return function() { | |
| 176 return so.toString(); | |
| 177 } | |
| 178 } else { | |
| 179 return wrapScriptObject(value); | |
| 180 } | |
| 181 } | |
| 182 } | |
| 183 } | |
| 184 }; | |
| 185 } else { | |
| 186 return so; | |
| 187 } | |
| 188 } | |
| 189 | |
| 190 // set "jvm" global variable that wraps a | |
| 191 // sun.jvm.hotspot.utilities.soql.JSJavaVM instance | |
| 192 if (jvmarg != null) { | |
| 193 jvm = wrapScriptObject(jvmarg); | |
| 194 // expose "heap" global variable | |
| 195 heap = jvm.heap; | |
| 196 } | |
| 197 | |
| 198 // expose all "function" type properties of | |
| 199 // sun.jvm.hotspot.utilitites.soql.JSJavaScriptEngine | |
| 200 // as global functions here. | |
| 201 globals = wrapScriptObject(globals); | |
| 202 for (var prop in globals) { | |
| 203 if (typeof(globals[prop]) == 'function') { | |
| 204 this[prop] = globals[prop]; | |
| 205 } | |
| 206 } | |
| 207 | |
| 208 // define "writeln" and "write" if not defined | |
| 209 if (typeof(writeln) == 'undefined') { | |
| 210 writeln = println; | |
| 211 } | |
| 212 | |
| 213 if (typeof(write) == 'undefined') { | |
| 214 write = print; | |
| 215 } | |
| 216 | |
| 217 // "registerCommand" function is defined if we | |
| 218 // are running as part of "CLHSDB" tool. CLHSDB | |
| 219 // tool exposes Unix-style commands. | |
| 220 | |
| 221 // if "registerCommand" function is defined | |
| 222 // then register few global functions as "commands". | |
| 223 if (typeof(registerCommand) == 'function') { | |
| 224 this.jclass = function(name) { | |
| 225 if (typeof(name) == "string") { | |
| 226 var clazz = sapkg.utilities.SystemDictionaryHelper.findInstanceKlass(name); | |
| 227 if (clazz) { | |
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228 writeln(clazz.getName().asString() + " @" + clazz.getAddress().toString()); |
| 0 | 229 } else { |
| 230 writeln("class not found: " + name); | |
| 231 } | |
| 232 } else { | |
| 233 writeln("Usage: class name"); | |
| 234 } | |
| 235 } | |
| 236 registerCommand("class", "class name", "jclass"); | |
| 237 | |
| 238 this.jclasses = function() { | |
| 239 forEachKlass(function (clazz) { | |
| 240 writeln(clazz.getName().asString() + " @" + clazz.getHandle().toString()); | |
| 241 }); | |
| 242 } | |
| 243 registerCommand("classes", "classes", "jclasses"); | |
| 244 | |
| 245 this.dclass = function(clazz, dir) { | |
| 246 if (!clazz) { | |
| 247 writeln("Usage: dumpclass { address | name } [ directory ]"); | |
| 248 } else { | |
| 249 if (!dir) { dir = "."; } | |
| 250 dumpClass(clazz, dir); | |
| 251 } | |
| 252 } | |
| 253 registerCommand("dumpclass", "dumpclass { address | name } [ directory ]", "dclass"); | |
| 254 registerCommand("dumpheap", "dumpheap [ file ]", "dumpHeap"); | |
| 255 | |
| 256 this.jseval = function(str) { | |
| 257 if (!str) { | |
| 258 writeln("Usage: jseval script"); | |
| 259 } else { | |
| 260 var res = eval(str); | |
| 261 if (res) { writeln(res); } | |
| 262 } | |
| 263 } | |
| 264 registerCommand("jseval", "jseval script", "jseval"); | |
| 265 | |
| 266 this.jsload = function(file) { | |
| 267 if (!file) { | |
| 268 writeln("Usage: jsload file"); | |
| 269 } else { | |
| 270 load(file); | |
| 271 } | |
| 272 } | |
| 273 registerCommand("jsload", "jsload file", "jsload"); | |
| 274 | |
| 275 this.printMem = function(addr, len) { | |
| 276 if (!addr) { | |
| 277 writeln("Usage: mem [ length ]"); | |
| 278 } else { | |
| 279 mem(addr, len); | |
| 280 } | |
| 281 } | |
| 282 registerCommand("mem", "mem address [ length ]", "printMem"); | |
| 283 | |
| 284 this.sysProps = function() { | |
| 285 for (var i in jvm.sysProps) { | |
| 286 writeln(i + ' = ' + jvm.sysProps[i]); | |
| 287 } | |
| 288 } | |
| 289 registerCommand("sysprops", "sysprops", "sysProps"); | |
| 290 | |
| 291 this.printWhatis = function(addr) { | |
| 292 if (!addr) { | |
| 293 writeln("Usage: whatis address"); | |
| 294 } else { | |
| 295 writeln(whatis(addr)); | |
| 296 } | |
| 297 } | |
| 298 registerCommand("whatis", "whatis address", "printWhatis"); | |
| 299 } | |
| 300 } | |
| 301 | |
| 302 // debugger functionality | |
| 303 | |
| 304 // string-to-Address | |
| 305 function str2addr(str) { | |
| 306 return sa.dbg.parseAddress(str); | |
| 307 } | |
| 308 | |
| 309 // number-to-Address | |
| 310 if (addressSize == 4) { | |
| 311 eval("function num2addr(num) { \ | |
| 312 return str2addr('0x' + java.lang.Integer.toHexString(0xffffffff & num)); \ | |
| 313 }"); | |
| 314 } else { | |
| 315 eval("function num2addr(num) { \ | |
| 316 return str2addr('0x' + java.lang.Long.toHexString(num)); \ | |
| 317 }"); | |
| 318 } | |
| 319 | |
| 320 // generic any-type-to-Address | |
| 321 // use this convenience function to accept address in any | |
| 322 // format -- number, string or an Address instance. | |
| 323 function any2addr(addr) { | |
| 324 var type = typeof(addr); | |
| 325 if (type == 'number') { | |
| 326 return num2addr(addr); | |
| 327 } else if (type == 'string') { | |
| 328 return str2addr(addr); | |
| 329 } else { | |
| 330 return addr; | |
| 331 } | |
| 332 } | |
| 333 | |
| 334 // Address-to-string | |
| 335 function addr2str(addr) { | |
| 336 if (addr == null) { | |
| 337 return (addressSize == 4)? '0x00000000' : '0x0000000000000000'; | |
| 338 } else { | |
| 339 return addr + ''; | |
| 340 } | |
| 341 } | |
| 342 | |
| 343 // Address-to-number | |
| 344 function addr2num(addr) { | |
| 345 return sa.dbg.getAddressValue(addr); | |
| 346 } | |
| 347 | |
| 348 // symbol-to-Address | |
| 349 function sym2addr(dso, sym) { | |
| 350 return sa.dbg.lookup(dso, sym); | |
| 351 } | |
| 352 | |
| 353 // returns the ClosestSymbol or null | |
| 354 function closestSymbolFor(addr) { | |
| 355 if (sa.cdbg == null) { | |
| 356 // no CDebugger support, return null | |
| 357 return null; | |
| 358 } else { | |
| 359 var dso = sa.cdbg.loadObjectContainingPC(addr); | |
| 360 if (dso != null) { | |
| 361 return dso.closestSymbolToPC(addr); | |
| 362 } else { | |
| 363 return null; | |
| 364 } | |
| 365 } | |
| 366 } | |
| 367 | |
| 368 // Address-to-symbol | |
| 369 // returns nearest symbol as string if found | |
| 370 // else returns address as string | |
| 371 function addr2sym(addr) { | |
| 372 var sym = closestSymbolFor(addr); | |
| 373 if (sym != null) { | |
| 374 return sym.name + '+' + sym.offset; | |
| 375 } else { | |
| 376 return addr2str(addr); | |
| 377 } | |
| 378 } | |
| 379 | |
| 380 // read 'num' words at 'addr' and return an array as result. | |
| 381 // returns Java long[] type result and not a JavaScript array. | |
| 382 function readWordsAt(addr, num) { | |
| 383 addr = any2addr(addr); | |
| 384 var res = java.lang.reflect.Array.newInstance(java.lang.Long.TYPE, num); | |
| 385 var i; | |
| 386 for (i = 0; i < num; i++) { | |
| 387 res[i] = addr2num(addr.getAddressAt(i * addressSize)); | |
| 388 } | |
| 389 return res; | |
| 390 } | |
| 391 | |
| 392 // read the 'C' string at 'addr' | |
| 393 function readCStrAt(addr) { | |
| 394 addr = any2addr(addr); | |
| 395 return sapkg.utilities.CStringUtilities.getString(addr); | |
| 396 } | |
| 397 | |
| 398 // read the length of the 'C' string at 'addr' | |
| 399 function readCStrLen(addr) { | |
| 400 addr = any2addr(addr); | |
| 401 return sapkg.utilities.CStringUtilities.getStringLength(addr); | |
| 402 } | |
| 403 | |
| 404 // iterate through ThreadList of CDebugger | |
| 405 function forEachThread(callback) { | |
| 406 if (sa.cdbg == null) { | |
| 407 // no CDebugger support | |
| 408 return; | |
| 409 } else { | |
| 410 var itr = sa.cdbg.threadList.iterator(); | |
| 411 while (itr.hasNext()) { | |
| 412 if (callback(itr.next()) == false) return; | |
| 413 } | |
| 414 } | |
| 415 } | |
| 416 | |
| 417 // read register set of a ThreadProxy as name-value pairs | |
| 418 function readRegs(threadProxy) { | |
| 419 var ctx = threadProxy.context; | |
| 420 var num = ctx.numRegisters; | |
| 421 var res = new Object(); | |
| 422 var i; | |
| 423 for (i = 0; i < num; i++) { | |
| 424 res[ctx.getRegisterName(i)]= addr2str(ctx.getRegisterAsAddress(i)); | |
| 425 } | |
| 426 return res; | |
| 427 } | |
| 428 | |
| 429 // print register set for a given ThreaProxy | |
| 430 function regs(threadProxy) { | |
| 431 var res = readRegs(threadProxy); | |
| 432 for (i in res) { | |
| 433 writeln(i, '=', res[i]); | |
| 434 } | |
| 435 } | |
| 436 | |
| 437 // iterate through each CFrame of a given ThreadProxy | |
| 438 function forEachCFrame(threadProxy, callback) { | |
| 439 if (sa.cdbg == null) { | |
| 440 // no CDebugger support | |
| 441 return; | |
| 442 } else { | |
| 443 var cframe = sa.cdbg.topFrameForThread(threadProxy); | |
| 444 while (cframe != null) { | |
| 445 if (callback(cframe) == false) return; | |
| 446 cframe = cframe.sender(); | |
| 447 } | |
| 448 } | |
| 449 } | |
| 450 | |
| 451 // iterate through list of load objects (DLLs, DSOs) | |
| 452 function forEachLoadObject(callback) { | |
| 453 if (sa.cdbg == null) { | |
| 454 // no CDebugger support | |
| 455 return; | |
| 456 } else { | |
| 457 var itr = sa.cdbg.loadObjectList.iterator(); | |
| 458 while (itr.hasNext()) { | |
| 459 if (callback(itr.next()) == false) return; | |
| 460 } | |
| 461 } | |
| 462 } | |
| 463 | |
| 464 // print 'num' words at 'addr' | |
| 465 function mem(addr, num) { | |
| 466 if (num == undefined) { | |
| 467 num = 1; | |
| 468 } | |
| 469 addr = any2addr(addr); | |
| 470 var i; | |
| 471 for (i = 0; i < num; i++) { | |
| 472 var value = addr.getAddressAt(0); | |
| 473 writeln(addr2sym(addr) + ':', addr2str(value)); | |
| 474 addr = addr.addOffsetTo(addressSize); | |
| 475 } | |
| 476 writeln(); | |
| 477 } | |
| 478 | |
| 479 // System dictionary functions | |
| 480 | |
| 481 // find InstanceKlass by name | |
| 482 function findInstanceKlass(name) { | |
| 483 return sapkg.utilities.SystemDictionaryHelper.findInstanceKlass(name); | |
| 484 } | |
| 485 | |
| 486 // get Java system loader (i.e., application launcher loader) | |
| 487 function systemLoader() { | |
| 488 return sa.sysDict.javaSystemLoader(); | |
| 489 } | |
| 490 | |
| 491 // iterate system dictionary for each 'Klass' | |
| 492 function forEachKlass(callback) { | |
| 493 var VisitorClass = sapkg.memory.SystemDictionary.ClassVisitor; | |
| 494 var visitor = new VisitorClass() { visit: callback }; | |
| 495 sa.sysDict["classesDo(sun.jvm.hotspot.memory.SystemDictionary$ClassVisitor)"](visitor); | |
| 496 } | |
| 497 | |
| 498 // iterate system dictionary for each 'Klass' and initiating loader | |
| 499 function forEachKlassAndLoader(callback) { | |
| 500 var VisitorClass = sapkg.memory.SystemDictionary.ClassAndLoaderVisitor; | |
| 501 var visitor = new VisitorClass() { visit: callback }; | |
| 502 sa.sysDict["classesDo(sun.jvm.hotspot.memory.SystemDictionary$ClassAndLoaderVisitor)"](visitor); | |
| 503 } | |
| 504 | |
| 505 // iterate system dictionary for each primitive array klass | |
| 506 function forEachPrimArrayKlass(callback) { | |
| 507 var VisitorClass = sapkg.memory.SystemDictionary.ClassAndLoaderVisitor; | |
| 508 sa.sysDict.primArrayClassesDo(new VisitorClass() { visit: callback }); | |
| 509 } | |
| 510 | |
| 511 // 'oop' to higher-level java object wrapper in which for(i in o) | |
| 512 // works by iterating java level fields and javaobject.javafield | |
| 513 // syntax works. | |
| 514 function oop2obj(oop) { | |
| 515 return object(addr2str(oop.handle)); | |
| 516 } | |
| 517 | |
| 518 // higher level java object wrapper to oop | |
| 519 function obj2oop(obj) { | |
| 520 return addr2oop(str2addr(address(obj))); | |
| 521 } | |
| 522 | |
| 523 // Java heap iteration | |
| 524 | |
| 525 // iterates Java heap for each Oop | |
| 526 function forEachOop(callback) { | |
| 527 sa.objHeap.iterate(new sapkg.oops.HeapVisitor() { doObj: callback }); | |
| 528 } | |
| 529 | |
| 530 // iterates Java heap for each Oop of given 'klass'. | |
| 531 // 'includeSubtypes' tells whether to include objects | |
| 532 // of subtypes of 'klass' or not | |
| 533 function forEachOopOfKlass(callback, klass, includeSubtypes) { | |
| 534 if (klass == undefined) { | |
| 535 klass = findInstanceKlass("java.lang.Object"); | |
| 536 } | |
| 537 | |
| 538 if (includeSubtypes == undefined) { | |
| 539 includeSubtypes = true; | |
| 540 } | |
| 541 sa.objHeap.iterateObjectsOfKlass( | |
| 542 new sapkg.oops.HeapVisitor() { doObj: callback }, | |
| 543 klass, includeSubtypes); | |
| 544 } | |
| 545 | |
| 546 // Java thread | |
| 547 | |
| 548 // iterates each Thread | |
| 549 function forEachJavaThread(callback) { | |
| 550 var threads = sa.threads; | |
| 551 var thread = threads.first(); | |
| 552 while (thread != null) { | |
| 553 if (callback(thread) == false) return; | |
| 554 thread = thread.next(); | |
| 555 } | |
| 556 } | |
| 557 | |
| 558 // iterate Frames of a given thread | |
| 559 function forEachFrame(javaThread, callback) { | |
| 560 var fr = javaThread.getLastFrameDbg(); | |
| 561 while (fr != null) { | |
| 562 if (callback(fr) == false) return; | |
| 563 fr = fr.sender(); | |
| 564 } | |
| 565 } | |
| 566 | |
| 567 // iterate JavaVFrames of a given JavaThread | |
| 568 function forEachVFrame(javaThread, callback) { | |
| 569 var vfr = javaThread.getLastJavaVFrameDbg(); | |
| 570 while (vfr != null) { | |
| 571 if (callback(vfr) == false) return; | |
| 572 vfr = vfr.javaSender(); | |
| 573 } | |
| 574 } | |
| 575 | |
| 576 function printStackTrace(javaThread) { | |
| 577 write("Thread "); | |
| 578 javaThread.printThreadIDOn(java.lang.System.out); | |
| 579 writeln(); | |
| 580 forEachVFrame(javaThread, function (vf) { | |
| 581 var method = vf.method; | |
| 582 write(' - ', method.externalNameAndSignature(), '@bci =', vf.getBCI()); | |
| 583 var line = method.getLineNumberFromBCI(vf.getBCI()); | |
| 584 if (line != -1) { write(', line=', line); } | |
| 585 if (vf.isCompiledFrame()) { write(" (Compiled Frame)"); } | |
| 586 if (vf.isInterpretedFrame()) { write(" (Interpreted Frame)"); } | |
| 587 writeln(); | |
| 588 }); | |
| 589 writeln(); | |
| 590 writeln(); | |
| 591 } | |
| 592 | |
| 593 // print Java stack trace for all threads | |
| 594 function where(javaThread) { | |
| 595 if (javaThread == undefined) { | |
| 596 forEachJavaThread(function (jt) { printStackTrace(jt); }); | |
| 597 } else { | |
| 598 printStackTrace(javaThread); | |
| 599 } | |
| 600 } | |
| 601 | |
| 602 // vmStructs access -- type database functions | |
| 603 | |
| 604 // find a VM type | |
| 605 function findVMType(typeName) { | |
| 606 return sa.typedb.lookupType(typeName); | |
| 607 } | |
| 608 | |
| 609 // iterate VM types | |
| 610 function forEachVMType(callback) { | |
| 611 var itr = sa.typedb.types; | |
| 612 while (itr.hasNext()) { | |
| 613 if (callback(itr.next()) == false) return; | |
| 614 } | |
| 615 } | |
| 616 | |
| 617 // find VM int constant | |
| 618 function findVMIntConst(name) { | |
| 619 return sa.typedb.lookupIntConstant(name); | |
| 620 } | |
| 621 | |
| 622 // find VM long constant | |
| 623 function findVMLongConst(name) { | |
| 624 return sa.typedb.lookupLongConstant(name); | |
| 625 } | |
| 626 | |
| 627 // iterate VM int constants | |
| 628 function forEachVMIntConst(callback) { | |
| 629 var itr = sa.typedb.intConstants; | |
| 630 while (itr.hasNext()) { | |
| 631 if (callback(itr.next()) == false) return; | |
| 632 } | |
| 633 } | |
| 634 | |
| 635 // iterate VM long constants | |
| 636 function forEachVMLongConst(callback) { | |
| 637 var itr = sa.typedb.longConstants; | |
| 638 while (itr.hasNext()) { | |
| 639 if (callback(itr.next()) == false) return; | |
| 640 } | |
| 641 } | |
| 642 | |
| 643 // returns VM Type at address | |
| 644 function vmTypeof(addr) { | |
| 645 addr = any2addr(addr); | |
| 646 return sa.typedb.guessTypeForAddress(addr); | |
| 647 } | |
| 648 | |
| 649 // does the given 'addr' points to an object of given 'type'? | |
| 650 // OR any valid Type at all (if type is undefined) | |
| 651 function isOfVMType(addr, type) { | |
| 652 addr = any2addr(addr); | |
| 653 if (type == undefined) { | |
| 654 return vmTypeof(addr) != null; | |
| 655 } else { | |
| 656 if (typeof(type) == 'string') { | |
| 657 type = findVMType(type); | |
| 658 } | |
| 659 return sa.typedb.addressTypeIsEqualToType(addr, type); | |
| 660 } | |
| 661 } | |
| 662 | |
| 663 // reads static field value | |
| 664 function readVMStaticField(field) { | |
| 665 var type = field.type; | |
| 666 if (type.isCIntegerType() || type.isJavaPrimitiveType()) { | |
| 667 return field.value; | |
| 668 } else if (type.isPointerType()) { | |
| 669 return field.address; | |
| 670 } else if (type.isOopType()) { | |
| 671 return field.oopHandle; | |
| 672 } else { | |
| 673 return field.staticFieldAddress; | |
| 674 } | |
| 675 } | |
| 676 | |
| 677 // reads given instance field of VM object at 'addr' | |
| 678 function readVMInstanceField(field, addr) { | |
| 679 var type = field.type; | |
| 680 if (type.isCIntegerType() || type.isJavaPrimitiveType()) { | |
| 681 return field.getValue(addr); | |
| 682 } else if (type.isPointerType()) { | |
| 683 return field.getAddress(addr); | |
| 684 } else if (type.isOopType()) { | |
| 685 return field.getOopHandle(addr); | |
| 686 } else { | |
| 687 return addr.addOffsetTo(field.offset); | |
| 688 } | |
| 689 } | |
| 690 | |
| 691 // returns name-value of pairs of VM type at given address. | |
| 692 // If address is unspecified, reads static fields as name-value pairs. | |
| 693 function readVMType(type, addr) { | |
| 694 if (typeof(type) == 'string') { | |
| 695 type = findVMType(type); | |
| 696 } | |
| 697 if (addr != undefined) { | |
| 698 addr = any2addr(addr); | |
| 699 } | |
| 700 | |
| 701 var result = new Object(); | |
| 702 var staticOnly = (addr == undefined); | |
| 703 while (type != null) { | |
| 704 var itr = type.fields; | |
| 705 while (itr.hasNext()) { | |
| 706 var field = itr.next(); | |
| 707 var isStatic = field.isStatic(); | |
| 708 if (staticOnly && isStatic) { | |
| 709 result[field.name] = readVMStaticField(field); | |
| 710 } else if (!staticOnly && !isStatic) { | |
| 711 result[field.name] = readVMInstanceField(field, addr); | |
| 712 } | |
| 713 } | |
| 714 type = type.superclass; | |
| 715 } | |
| 716 return result; | |
| 717 } | |
| 718 | |
| 719 function printVMType(type, addr) { | |
| 720 if (typeof(type) == 'string') { | |
| 721 type = findVMType(type); | |
| 722 } | |
| 723 var obj = readVMType(type, addr); | |
| 724 while (type != null) { | |
| 725 var itr = type.fields; | |
| 726 while (itr.hasNext()) { | |
| 727 var field = itr.next(); | |
| 728 var name = field.name; | |
| 729 var value = obj[name]; | |
| 730 if (value != undefined) { | |
| 731 writeln(field.type.name, type.name + '::' + name, '=', value); | |
| 732 } | |
| 733 } | |
| 734 type = type.superclass; | |
| 735 } | |
| 736 } | |
| 737 | |
| 738 // define readXXX and printXXX functions for each VM struct/class Type | |
| 739 tmp = new Object(); | |
| 740 tmp.itr = sa.typedb.types; | |
| 741 while (tmp.itr.hasNext()) { | |
| 742 tmp.type = tmp.itr.next(); | |
| 743 tmp.name = tmp.type.name; | |
| 744 if (tmp.type.isPointerType() || tmp.type.isOopType() || | |
| 745 tmp.type.isCIntegerType() || tmp.type.isJavaPrimitiveType() || | |
| 746 tmp.name.equals('address') || | |
| 747 tmp.name.equals("<opaque>")) { | |
| 748 // ignore; | |
| 749 continue; | |
| 750 } else { | |
| 751 // some type names have ':'. replace to make it as a | |
| 752 // JavaScript identifier | |
|
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changeset
|
753 tmp.name = tmp.name.replace(':', '_').replace('<', '_').replace('>', '_').replace('*', '_').replace(' ', '_'); |
| 0 | 754 eval("function read" + tmp.name + "(addr) {" + |
| 755 " return readVMType('" + tmp.name + "', addr);}"); | |
| 756 eval("function print" + tmp.name + "(addr) {" + | |
| 757 " printVMType('" + tmp.name + "', addr); }"); | |
| 758 | |
| 759 /* FIXME: do we need this? | |
| 760 if (typeof(registerCommand) != 'undefined') { | |
| 761 var name = "print" + tmp.name; | |
| 762 registerCommand(name, name + " [address]", name); | |
| 763 } | |
| 764 */ | |
| 765 } | |
| 766 } | |
| 767 //clean-up the temporary | |
| 768 delete tmp; | |
| 769 | |
| 770 // VMObject factory | |
| 771 | |
| 772 // VM type to SA class map | |
| 773 var vmType2Class = new Object(); | |
| 774 | |
| 775 // This is *not* exhaustive. Add more if needed. | |
| 776 // code blobs | |
| 777 vmType2Class["BufferBlob"] = sapkg.code.BufferBlob; | |
| 778 vmType2Class["nmethod"] = sapkg.code.NMethod; | |
| 779 vmType2Class["RuntimeStub"] = sapkg.code.RuntimeStub; | |
| 780 vmType2Class["SafepointBlob"] = sapkg.code.SafepointBlob; | |
| 781 vmType2Class["C2IAdapter"] = sapkg.code.C2IAdapter; | |
| 782 vmType2Class["DeoptimizationBlob"] = sapkg.code.DeoptimizationBlob; | |
| 783 vmType2Class["ExceptionBlob"] = sapkg.code.ExceptionBlob; | |
| 784 vmType2Class["I2CAdapter"] = sapkg.code.I2CAdapter; | |
| 785 vmType2Class["OSRAdapter"] = sapkg.code.OSRAdapter; | |
| 786 vmType2Class["UncommonTrapBlob"] = sapkg.code.UncommonTrapBlob; | |
| 787 vmType2Class["PCDesc"] = sapkg.code.PCDesc; | |
| 788 | |
| 789 // interpreter | |
| 790 vmType2Class["InterpreterCodelet"] = sapkg.interpreter.InterpreterCodelet; | |
| 791 | |
| 792 // Java Threads | |
| 793 vmType2Class["JavaThread"] = sapkg.runtime.JavaThread; | |
| 794 vmType2Class["CompilerThread"] = sapkg.runtime.CompilerThread; | |
| 795 vmType2Class["SurrogateLockerThread"] = sapkg.runtime.JavaThread; | |
| 796 vmType2Class["DebuggerThread"] = sapkg.runtime.DebuggerThread; | |
| 797 | |
| 798 // gc | |
| 799 vmType2Class["GenCollectedHeap"] = sapkg.memory.GenCollectedHeap; | |
| 800 vmType2Class["DefNewGeneration"] = sapkg.memory.DefNewGeneration; | |
| 801 vmType2Class["TenuredGeneration"] = sapkg.memory.TenuredGeneration; | |
| 802 | |
| 803 // generic VMObject factory for a given address | |
| 804 // This is equivalent to VirtualConstructor. | |
| 805 function newVMObject(addr) { | |
| 806 addr = any2addr(addr); | |
| 807 var result = null; | |
| 808 forEachVMType(function (type) { | |
| 809 if (isOfVMType(addr, type)) { | |
| 810 var clazz = vmType2Class[type.name]; | |
| 811 if (clazz != undefined) { | |
| 812 result = new clazz(addr); | |
| 813 } | |
| 814 return false; | |
| 815 } else { | |
| 816 return true; | |
| 817 } | |
| 818 }); | |
| 819 return result; | |
| 820 } | |
| 821 | |
| 822 function vmobj2addr(vmobj) { | |
| 823 return vmobj.address; | |
| 824 } | |
| 825 | |
| 826 function addr2vmobj(addr) { | |
| 827 return newVMObject(addr); | |
| 828 } | |
| 829 | |
| 830 // Miscellaneous utilities | |
| 831 | |
| 832 // returns PointerLocation that describes the given pointer | |
| 833 function findPtr(addr) { | |
| 834 addr = any2addr(addr); | |
| 835 return sapkg.utilities.PointerFinder.find(addr); | |
| 836 } | |
| 837 | |
| 838 // is given address a valid Oop? | |
| 839 function isOop(addr) { | |
| 840 addr = any2addr(addr); | |
| 841 var oopHandle = addr.addOffsetToAsOopHandle(0); | |
| 842 return sapkg.utilities.RobustOopDeterminator.oopLooksValid(oopHandle); | |
| 843 } | |
| 844 | |
| 845 // returns description of given pointer as a String | |
| 846 function whatis(addr) { | |
| 847 addr = any2addr(addr); | |
| 848 var ptrLoc = findPtr(addr); | |
| 849 if (ptrLoc.isUnknown()) { | |
| 850 var vmType = vmTypeof(addr); | |
| 851 if (vmType != null) { | |
| 852 return "pointer to " + vmType.name; | |
| 853 } else { | |
| 854 var sym = closestSymbolFor(addr); | |
| 855 if (sym != null) { | |
| 856 return sym.name + '+' + sym.offset; | |
| 857 } else { | |
| 858 return ptrLoc.toString(); | |
| 859 } | |
| 860 } | |
| 861 } else { | |
| 862 return ptrLoc.toString(); | |
| 863 } | |
| 864 } |