Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/soql/sa.js @ 8103:5ed317b25e23
7165259: Remove BugSpot
Reviewed-by: coleenp, mgronlun
author | sla |
---|---|
date | Fri, 22 Feb 2013 10:03:02 +0100 |
parents | 5a98bf7d847b |
children | e37ab280bbce |
rev | line source |
---|---|
0 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2042
diff
changeset
|
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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1040
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1040
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1040
diff
changeset
|
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.c1 = sapkg.hotspot.c1; | |
35 sapkg.code = sapkg.hotspot.code; | |
36 sapkg.compiler = sapkg.hotspot.compiler; | |
37 | |
38 // 'debugger' is a JavaScript keyword :-( | |
39 // sapkg.debugger = sapkg.hotspot.debugger; | |
40 | |
41 sapkg.interpreter = sapkg.hotspot.interpreter; | |
42 sapkg.jdi = sapkg.hotspot.jdi; | |
43 sapkg.memory = sapkg.hotspot.memory; | |
44 sapkg.oops = sapkg.hotspot.oops; | |
45 sapkg.runtime = sapkg.hotspot.runtime; | |
46 sapkg.tools = sapkg.hotspot.tools; | |
47 sapkg.types = sapkg.hotspot.types; | |
48 sapkg.ui = sapkg.hotspot.ui; | |
49 sapkg.utilities = sapkg.hotspot.utilities; | |
50 | |
51 // SA singletons are kept in 'sa' object | |
52 var sa = new Object(); | |
53 sa.vm = sapkg.runtime.VM.getVM(); | |
54 sa.dbg = sa.vm.getDebugger(); | |
55 sa.cdbg = sa.dbg.CDebugger; | |
56 sa.heap = sa.vm.universe.heap(); | |
57 sa.systemDictionary = sa.vm.systemDictionary; | |
58 sa.sysDict = sa.systemDictionary; | |
59 sa.symbolTable = sa.vm.symbolTable; | |
60 sa.symTbl = sa.symbolTable; | |
61 sa.threads = sa.vm.threads; | |
62 sa.interpreter = sa.vm.interpreter; | |
63 sa.typedb = sa.vm.typeDataBase; | |
64 sa.codeCache = sa.vm.codeCache; | |
65 // 'objHeap' is different from 'heap'!. | |
66 // This is SA's Oop factory and heap-walker | |
67 sa.objHeap = sa.vm.objectHeap; | |
68 | |
69 // few useful global variables | |
70 var OS = sa.vm.OS; | |
71 var CPU = sa.vm.CPU; | |
72 var LP64 = sa.vm.LP64; | |
73 var isClient = sa.vm.clientCompiler; | |
74 var isServer = sa.vm.serverCompiler; | |
75 var isCore = sa.vm.isCore(); | |
76 var addressSize = sa.vm.addressSize; | |
77 var oopSize = sa.vm.oopSize; | |
78 | |
79 // this "main" function is called immediately | |
80 // after loading this script file | |
81 function main(globals, jvmarg) { | |
82 // wrap a sun.jvm.hotspot.utilities.soql.ScriptObject | |
83 // object so that the properties of it can be accessed | |
84 // in natural object.field syntax. | |
85 function wrapScriptObject(so) { | |
86 function unwrapScriptObject(wso) { | |
87 var objType = typeof(wso); | |
88 if ((objType == 'object' || | |
89 objType == 'function') | |
90 && "__wrapped__" in wso) { | |
91 return wso.__wrapped__; | |
92 } else { | |
93 return wso; | |
94 } | |
95 } | |
96 | |
97 function prepareArgsArray(array) { | |
98 var args = new Array(array.length); | |
99 for (var a = 0; a < array.length; a++) { | |
100 var elem = array[a]; | |
101 elem = unwrapScriptObject(elem); | |
102 if (typeof(elem) == 'function') { | |
103 args[a] = new sapkg.utilities.soql.Callable() { | |
104 call: function(myargs) { | |
105 var tmp = new Array(myargs.length); | |
106 for (var i = 0; i < myargs.length; i++) { | |
107 tmp[i] = wrapScriptObject(myargs[i]); | |
108 } | |
109 return elem.apply(this, tmp); | |
110 } | |
111 } | |
112 } else { | |
113 args[a] = elem; | |
114 } | |
115 } | |
116 return args; | |
117 } | |
118 | |
119 if (so instanceof sapkg.utilities.soql.ScriptObject) { | |
120 return new JSAdapter() { | |
121 __getIds__: function() { | |
122 return so.getIds(); | |
123 }, | |
124 | |
125 __has__ : function(name) { | |
126 if (typeof(name) == 'number') { | |
127 return so["has(int)"](name); | |
128 } else { | |
129 if (name == '__wrapped__') { | |
130 return true; | |
131 } else if (so["has(java.lang.String)"](name)) { | |
132 return true; | |
133 } else if (name.equals('toString')) { | |
134 return true; | |
135 } else { | |
136 return false; | |
137 } | |
138 } | |
139 }, | |
140 | |
141 __delete__ : function(name) { | |
142 if (typeof(name) == 'number') { | |
143 return so["delete(int)"](name); | |
144 } else { | |
145 return so["delete(java.lang.String)"](name); | |
146 } | |
147 }, | |
148 | |
149 __get__ : function(name) { | |
150 if (! this.__has__(name)) { | |
151 return undefined; | |
152 } | |
153 if (typeof(name) == 'number') { | |
154 return wrapScriptObject(so["get(int)"](name)); | |
155 } else { | |
156 if (name == '__wrapped__') { | |
157 return so; | |
158 } else { | |
159 var value = so["get(java.lang.String)"](name); | |
160 if (value instanceof sapkg.utilities.soql.Callable) { | |
161 return function() { | |
162 var args = prepareArgsArray(arguments); | |
163 var r; | |
164 try { | |
165 r = value.call(args); | |
166 } catch (e) { | |
167 println("call to " + name + " failed!"); | |
168 throw e; | |
169 } | |
170 return wrapScriptObject(r); | |
171 } | |
172 } else if (name == 'toString') { | |
173 return function() { | |
174 return so.toString(); | |
175 } | |
176 } else { | |
177 return wrapScriptObject(value); | |
178 } | |
179 } | |
180 } | |
181 } | |
182 }; | |
183 } else { | |
184 return so; | |
185 } | |
186 } | |
187 | |
188 // set "jvm" global variable that wraps a | |
189 // sun.jvm.hotspot.utilities.soql.JSJavaVM instance | |
190 if (jvmarg != null) { | |
191 jvm = wrapScriptObject(jvmarg); | |
192 // expose "heap" global variable | |
193 heap = jvm.heap; | |
194 } | |
195 | |
196 // expose all "function" type properties of | |
197 // sun.jvm.hotspot.utilitites.soql.JSJavaScriptEngine | |
198 // as global functions here. | |
199 globals = wrapScriptObject(globals); | |
200 for (var prop in globals) { | |
201 if (typeof(globals[prop]) == 'function') { | |
202 this[prop] = globals[prop]; | |
203 } | |
204 } | |
205 | |
206 // define "writeln" and "write" if not defined | |
207 if (typeof(writeln) == 'undefined') { | |
208 writeln = println; | |
209 } | |
210 | |
211 if (typeof(write) == 'undefined') { | |
212 write = print; | |
213 } | |
214 | |
215 // "registerCommand" function is defined if we | |
216 // are running as part of "CLHSDB" tool. CLHSDB | |
217 // tool exposes Unix-style commands. | |
218 | |
219 // if "registerCommand" function is defined | |
220 // then register few global functions as "commands". | |
221 if (typeof(registerCommand) == 'function') { | |
222 this.jclass = function(name) { | |
223 if (typeof(name) == "string") { | |
224 var clazz = sapkg.utilities.SystemDictionaryHelper.findInstanceKlass(name); | |
225 if (clazz) { | |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
2042
diff
changeset
|
226 writeln(clazz.getName().asString() + " @" + clazz.getAddress().toString()); |
0 | 227 } else { |
228 writeln("class not found: " + name); | |
229 } | |
230 } else { | |
231 writeln("Usage: class name"); | |
232 } | |
233 } | |
234 registerCommand("class", "class name", "jclass"); | |
235 | |
236 this.jclasses = function() { | |
237 forEachKlass(function (clazz) { | |
238 writeln(clazz.getName().asString() + " @" + clazz.getHandle().toString()); | |
239 }); | |
240 } | |
241 registerCommand("classes", "classes", "jclasses"); | |
242 | |
243 this.dclass = function(clazz, dir) { | |
244 if (!clazz) { | |
245 writeln("Usage: dumpclass { address | name } [ directory ]"); | |
246 } else { | |
247 if (!dir) { dir = "."; } | |
248 dumpClass(clazz, dir); | |
249 } | |
250 } | |
251 registerCommand("dumpclass", "dumpclass { address | name } [ directory ]", "dclass"); | |
252 registerCommand("dumpheap", "dumpheap [ file ]", "dumpHeap"); | |
253 | |
254 this.jseval = function(str) { | |
255 if (!str) { | |
256 writeln("Usage: jseval script"); | |
257 } else { | |
258 var res = eval(str); | |
259 if (res) { writeln(res); } | |
260 } | |
261 } | |
262 registerCommand("jseval", "jseval script", "jseval"); | |
263 | |
264 this.jsload = function(file) { | |
265 if (!file) { | |
266 writeln("Usage: jsload file"); | |
267 } else { | |
268 load(file); | |
269 } | |
270 } | |
271 registerCommand("jsload", "jsload file", "jsload"); | |
272 | |
273 this.printMem = function(addr, len) { | |
274 if (!addr) { | |
275 writeln("Usage: mem [ length ]"); | |
276 } else { | |
277 mem(addr, len); | |
278 } | |
279 } | |
280 registerCommand("mem", "mem address [ length ]", "printMem"); | |
281 | |
282 this.sysProps = function() { | |
283 for (var i in jvm.sysProps) { | |
284 writeln(i + ' = ' + jvm.sysProps[i]); | |
285 } | |
286 } | |
287 registerCommand("sysprops", "sysprops", "sysProps"); | |
288 | |
289 this.printWhatis = function(addr) { | |
290 if (!addr) { | |
291 writeln("Usage: whatis address"); | |
292 } else { | |
293 writeln(whatis(addr)); | |
294 } | |
295 } | |
296 registerCommand("whatis", "whatis address", "printWhatis"); | |
297 } | |
298 } | |
299 | |
300 // debugger functionality | |
301 | |
302 // string-to-Address | |
303 function str2addr(str) { | |
304 return sa.dbg.parseAddress(str); | |
305 } | |
306 | |
307 // number-to-Address | |
308 if (addressSize == 4) { | |
309 eval("function num2addr(num) { \ | |
310 return str2addr('0x' + java.lang.Integer.toHexString(0xffffffff & num)); \ | |
311 }"); | |
312 } else { | |
313 eval("function num2addr(num) { \ | |
314 return str2addr('0x' + java.lang.Long.toHexString(num)); \ | |
315 }"); | |
316 } | |
317 | |
318 // generic any-type-to-Address | |
319 // use this convenience function to accept address in any | |
320 // format -- number, string or an Address instance. | |
321 function any2addr(addr) { | |
322 var type = typeof(addr); | |
323 if (type == 'number') { | |
324 return num2addr(addr); | |
325 } else if (type == 'string') { | |
326 return str2addr(addr); | |
327 } else { | |
328 return addr; | |
329 } | |
330 } | |
331 | |
332 // Address-to-string | |
333 function addr2str(addr) { | |
334 if (addr == null) { | |
335 return (addressSize == 4)? '0x00000000' : '0x0000000000000000'; | |
336 } else { | |
337 return addr + ''; | |
338 } | |
339 } | |
340 | |
341 // Address-to-number | |
342 function addr2num(addr) { | |
343 return sa.dbg.getAddressValue(addr); | |
344 } | |
345 | |
346 // symbol-to-Address | |
347 function sym2addr(dso, sym) { | |
348 return sa.dbg.lookup(dso, sym); | |
349 } | |
350 | |
351 // returns the ClosestSymbol or null | |
352 function closestSymbolFor(addr) { | |
353 if (sa.cdbg == null) { | |
354 // no CDebugger support, return null | |
355 return null; | |
356 } else { | |
357 var dso = sa.cdbg.loadObjectContainingPC(addr); | |
358 if (dso != null) { | |
359 return dso.closestSymbolToPC(addr); | |
360 } else { | |
361 return null; | |
362 } | |
363 } | |
364 } | |
365 | |
366 // Address-to-symbol | |
367 // returns nearest symbol as string if found | |
368 // else returns address as string | |
369 function addr2sym(addr) { | |
370 var sym = closestSymbolFor(addr); | |
371 if (sym != null) { | |
372 return sym.name + '+' + sym.offset; | |
373 } else { | |
374 return addr2str(addr); | |
375 } | |
376 } | |
377 | |
378 // read 'num' words at 'addr' and return an array as result. | |
379 // returns Java long[] type result and not a JavaScript array. | |
380 function readWordsAt(addr, num) { | |
381 addr = any2addr(addr); | |
382 var res = java.lang.reflect.Array.newInstance(java.lang.Long.TYPE, num); | |
383 var i; | |
384 for (i = 0; i < num; i++) { | |
385 res[i] = addr2num(addr.getAddressAt(i * addressSize)); | |
386 } | |
387 return res; | |
388 } | |
389 | |
390 // read the 'C' string at 'addr' | |
391 function readCStrAt(addr) { | |
392 addr = any2addr(addr); | |
393 return sapkg.utilities.CStringUtilities.getString(addr); | |
394 } | |
395 | |
396 // read the length of the 'C' string at 'addr' | |
397 function readCStrLen(addr) { | |
398 addr = any2addr(addr); | |
399 return sapkg.utilities.CStringUtilities.getStringLength(addr); | |
400 } | |
401 | |
402 // iterate through ThreadList of CDebugger | |
403 function forEachThread(callback) { | |
404 if (sa.cdbg == null) { | |
405 // no CDebugger support | |
406 return; | |
407 } else { | |
408 var itr = sa.cdbg.threadList.iterator(); | |
409 while (itr.hasNext()) { | |
410 if (callback(itr.next()) == false) return; | |
411 } | |
412 } | |
413 } | |
414 | |
415 // read register set of a ThreadProxy as name-value pairs | |
416 function readRegs(threadProxy) { | |
417 var ctx = threadProxy.context; | |
418 var num = ctx.numRegisters; | |
419 var res = new Object(); | |
420 var i; | |
421 for (i = 0; i < num; i++) { | |
422 res[ctx.getRegisterName(i)]= addr2str(ctx.getRegisterAsAddress(i)); | |
423 } | |
424 return res; | |
425 } | |
426 | |
427 // print register set for a given ThreaProxy | |
428 function regs(threadProxy) { | |
429 var res = readRegs(threadProxy); | |
430 for (i in res) { | |
431 writeln(i, '=', res[i]); | |
432 } | |
433 } | |
434 | |
435 // iterate through each CFrame of a given ThreadProxy | |
436 function forEachCFrame(threadProxy, callback) { | |
437 if (sa.cdbg == null) { | |
438 // no CDebugger support | |
439 return; | |
440 } else { | |
441 var cframe = sa.cdbg.topFrameForThread(threadProxy); | |
442 while (cframe != null) { | |
443 if (callback(cframe) == false) return; | |
444 cframe = cframe.sender(); | |
445 } | |
446 } | |
447 } | |
448 | |
449 // iterate through list of load objects (DLLs, DSOs) | |
450 function forEachLoadObject(callback) { | |
451 if (sa.cdbg == null) { | |
452 // no CDebugger support | |
453 return; | |
454 } else { | |
455 var itr = sa.cdbg.loadObjectList.iterator(); | |
456 while (itr.hasNext()) { | |
457 if (callback(itr.next()) == false) return; | |
458 } | |
459 } | |
460 } | |
461 | |
462 // print 'num' words at 'addr' | |
463 function mem(addr, num) { | |
464 if (num == undefined) { | |
465 num = 1; | |
466 } | |
467 addr = any2addr(addr); | |
468 var i; | |
469 for (i = 0; i < num; i++) { | |
470 var value = addr.getAddressAt(0); | |
471 writeln(addr2sym(addr) + ':', addr2str(value)); | |
472 addr = addr.addOffsetTo(addressSize); | |
473 } | |
474 writeln(); | |
475 } | |
476 | |
477 // System dictionary functions | |
478 | |
479 // find InstanceKlass by name | |
480 function findInstanceKlass(name) { | |
481 return sapkg.utilities.SystemDictionaryHelper.findInstanceKlass(name); | |
482 } | |
483 | |
484 // get Java system loader (i.e., application launcher loader) | |
485 function systemLoader() { | |
486 return sa.sysDict.javaSystemLoader(); | |
487 } | |
488 | |
489 // iterate system dictionary for each 'Klass' | |
490 function forEachKlass(callback) { | |
491 var VisitorClass = sapkg.memory.SystemDictionary.ClassVisitor; | |
492 var visitor = new VisitorClass() { visit: callback }; | |
493 sa.sysDict["classesDo(sun.jvm.hotspot.memory.SystemDictionary$ClassVisitor)"](visitor); | |
494 } | |
495 | |
496 // iterate system dictionary for each 'Klass' and initiating loader | |
497 function forEachKlassAndLoader(callback) { | |
498 var VisitorClass = sapkg.memory.SystemDictionary.ClassAndLoaderVisitor; | |
499 var visitor = new VisitorClass() { visit: callback }; | |
500 sa.sysDict["classesDo(sun.jvm.hotspot.memory.SystemDictionary$ClassAndLoaderVisitor)"](visitor); | |
501 } | |
502 | |
503 // iterate system dictionary for each primitive array klass | |
504 function forEachPrimArrayKlass(callback) { | |
505 var VisitorClass = sapkg.memory.SystemDictionary.ClassAndLoaderVisitor; | |
506 sa.sysDict.primArrayClassesDo(new VisitorClass() { visit: callback }); | |
507 } | |
508 | |
509 // 'oop' to higher-level java object wrapper in which for(i in o) | |
510 // works by iterating java level fields and javaobject.javafield | |
511 // syntax works. | |
512 function oop2obj(oop) { | |
513 return object(addr2str(oop.handle)); | |
514 } | |
515 | |
516 // higher level java object wrapper to oop | |
517 function obj2oop(obj) { | |
518 return addr2oop(str2addr(address(obj))); | |
519 } | |
520 | |
521 // Java heap iteration | |
522 | |
523 // iterates Java heap for each Oop | |
524 function forEachOop(callback) { | |
525 sa.objHeap.iterate(new sapkg.oops.HeapVisitor() { doObj: callback }); | |
526 } | |
527 | |
528 // iterates Java heap for each Oop of given 'klass'. | |
529 // 'includeSubtypes' tells whether to include objects | |
530 // of subtypes of 'klass' or not | |
531 function forEachOopOfKlass(callback, klass, includeSubtypes) { | |
532 if (klass == undefined) { | |
533 klass = findInstanceKlass("java.lang.Object"); | |
534 } | |
535 | |
536 if (includeSubtypes == undefined) { | |
537 includeSubtypes = true; | |
538 } | |
539 sa.objHeap.iterateObjectsOfKlass( | |
540 new sapkg.oops.HeapVisitor() { doObj: callback }, | |
541 klass, includeSubtypes); | |
542 } | |
543 | |
544 // Java thread | |
545 | |
546 // iterates each Thread | |
547 function forEachJavaThread(callback) { | |
548 var threads = sa.threads; | |
549 var thread = threads.first(); | |
550 while (thread != null) { | |
551 if (callback(thread) == false) return; | |
552 thread = thread.next(); | |
553 } | |
554 } | |
555 | |
556 // iterate Frames of a given thread | |
557 function forEachFrame(javaThread, callback) { | |
558 var fr = javaThread.getLastFrameDbg(); | |
559 while (fr != null) { | |
560 if (callback(fr) == false) return; | |
561 fr = fr.sender(); | |
562 } | |
563 } | |
564 | |
565 // iterate JavaVFrames of a given JavaThread | |
566 function forEachVFrame(javaThread, callback) { | |
567 var vfr = javaThread.getLastJavaVFrameDbg(); | |
568 while (vfr != null) { | |
569 if (callback(vfr) == false) return; | |
570 vfr = vfr.javaSender(); | |
571 } | |
572 } | |
573 | |
574 function printStackTrace(javaThread) { | |
575 write("Thread "); | |
576 javaThread.printThreadIDOn(java.lang.System.out); | |
577 writeln(); | |
578 forEachVFrame(javaThread, function (vf) { | |
579 var method = vf.method; | |
580 write(' - ', method.externalNameAndSignature(), '@bci =', vf.getBCI()); | |
581 var line = method.getLineNumberFromBCI(vf.getBCI()); | |
582 if (line != -1) { write(', line=', line); } | |
583 if (vf.isCompiledFrame()) { write(" (Compiled Frame)"); } | |
584 if (vf.isInterpretedFrame()) { write(" (Interpreted Frame)"); } | |
585 writeln(); | |
586 }); | |
587 writeln(); | |
588 writeln(); | |
589 } | |
590 | |
591 // print Java stack trace for all threads | |
592 function where(javaThread) { | |
593 if (javaThread == undefined) { | |
594 forEachJavaThread(function (jt) { printStackTrace(jt); }); | |
595 } else { | |
596 printStackTrace(javaThread); | |
597 } | |
598 } | |
599 | |
600 // vmStructs access -- type database functions | |
601 | |
602 // find a VM type | |
603 function findVMType(typeName) { | |
604 return sa.typedb.lookupType(typeName); | |
605 } | |
606 | |
607 // iterate VM types | |
608 function forEachVMType(callback) { | |
609 var itr = sa.typedb.types; | |
610 while (itr.hasNext()) { | |
611 if (callback(itr.next()) == false) return; | |
612 } | |
613 } | |
614 | |
615 // find VM int constant | |
616 function findVMIntConst(name) { | |
617 return sa.typedb.lookupIntConstant(name); | |
618 } | |
619 | |
620 // find VM long constant | |
621 function findVMLongConst(name) { | |
622 return sa.typedb.lookupLongConstant(name); | |
623 } | |
624 | |
625 // iterate VM int constants | |
626 function forEachVMIntConst(callback) { | |
627 var itr = sa.typedb.intConstants; | |
628 while (itr.hasNext()) { | |
629 if (callback(itr.next()) == false) return; | |
630 } | |
631 } | |
632 | |
633 // iterate VM long constants | |
634 function forEachVMLongConst(callback) { | |
635 var itr = sa.typedb.longConstants; | |
636 while (itr.hasNext()) { | |
637 if (callback(itr.next()) == false) return; | |
638 } | |
639 } | |
640 | |
641 // returns VM Type at address | |
642 function vmTypeof(addr) { | |
643 addr = any2addr(addr); | |
644 return sa.typedb.guessTypeForAddress(addr); | |
645 } | |
646 | |
647 // does the given 'addr' points to an object of given 'type'? | |
648 // OR any valid Type at all (if type is undefined) | |
649 function isOfVMType(addr, type) { | |
650 addr = any2addr(addr); | |
651 if (type == undefined) { | |
652 return vmTypeof(addr) != null; | |
653 } else { | |
654 if (typeof(type) == 'string') { | |
655 type = findVMType(type); | |
656 } | |
657 return sa.typedb.addressTypeIsEqualToType(addr, type); | |
658 } | |
659 } | |
660 | |
661 // reads static field value | |
662 function readVMStaticField(field) { | |
663 var type = field.type; | |
664 if (type.isCIntegerType() || type.isJavaPrimitiveType()) { | |
665 return field.value; | |
666 } else if (type.isPointerType()) { | |
667 return field.address; | |
668 } else if (type.isOopType()) { | |
669 return field.oopHandle; | |
670 } else { | |
671 return field.staticFieldAddress; | |
672 } | |
673 } | |
674 | |
675 // reads given instance field of VM object at 'addr' | |
676 function readVMInstanceField(field, addr) { | |
677 var type = field.type; | |
678 if (type.isCIntegerType() || type.isJavaPrimitiveType()) { | |
679 return field.getValue(addr); | |
680 } else if (type.isPointerType()) { | |
681 return field.getAddress(addr); | |
682 } else if (type.isOopType()) { | |
683 return field.getOopHandle(addr); | |
684 } else { | |
685 return addr.addOffsetTo(field.offset); | |
686 } | |
687 } | |
688 | |
689 // returns name-value of pairs of VM type at given address. | |
690 // If address is unspecified, reads static fields as name-value pairs. | |
691 function readVMType(type, addr) { | |
692 if (typeof(type) == 'string') { | |
693 type = findVMType(type); | |
694 } | |
695 if (addr != undefined) { | |
696 addr = any2addr(addr); | |
697 } | |
698 | |
699 var result = new Object(); | |
700 var staticOnly = (addr == undefined); | |
701 while (type != null) { | |
702 var itr = type.fields; | |
703 while (itr.hasNext()) { | |
704 var field = itr.next(); | |
705 var isStatic = field.isStatic(); | |
706 if (staticOnly && isStatic) { | |
707 result[field.name] = readVMStaticField(field); | |
708 } else if (!staticOnly && !isStatic) { | |
709 result[field.name] = readVMInstanceField(field, addr); | |
710 } | |
711 } | |
712 type = type.superclass; | |
713 } | |
714 return result; | |
715 } | |
716 | |
717 function printVMType(type, addr) { | |
718 if (typeof(type) == 'string') { | |
719 type = findVMType(type); | |
720 } | |
721 var obj = readVMType(type, addr); | |
722 while (type != null) { | |
723 var itr = type.fields; | |
724 while (itr.hasNext()) { | |
725 var field = itr.next(); | |
726 var name = field.name; | |
727 var value = obj[name]; | |
728 if (value != undefined) { | |
729 writeln(field.type.name, type.name + '::' + name, '=', value); | |
730 } | |
731 } | |
732 type = type.superclass; | |
733 } | |
734 } | |
735 | |
736 // define readXXX and printXXX functions for each VM struct/class Type | |
737 tmp = new Object(); | |
738 tmp.itr = sa.typedb.types; | |
739 while (tmp.itr.hasNext()) { | |
740 tmp.type = tmp.itr.next(); | |
741 tmp.name = tmp.type.name; | |
742 if (tmp.type.isPointerType() || tmp.type.isOopType() || | |
743 tmp.type.isCIntegerType() || tmp.type.isJavaPrimitiveType() || | |
744 tmp.name.equals('address') || | |
745 tmp.name.equals("<opaque>")) { | |
746 // ignore; | |
747 continue; | |
748 } else { | |
749 // some type names have ':'. replace to make it as a | |
750 // JavaScript identifier | |
1040
873ec3787992
6892186: SA does not dump debug info for scalar replaced objects
kvn
parents:
0
diff
changeset
|
751 tmp.name = tmp.name.replace(':', '_').replace('<', '_').replace('>', '_').replace('*', '_').replace(' ', '_'); |
0 | 752 eval("function read" + tmp.name + "(addr) {" + |
753 " return readVMType('" + tmp.name + "', addr);}"); | |
754 eval("function print" + tmp.name + "(addr) {" + | |
755 " printVMType('" + tmp.name + "', addr); }"); | |
756 | |
757 /* FIXME: do we need this? | |
758 if (typeof(registerCommand) != 'undefined') { | |
759 var name = "print" + tmp.name; | |
760 registerCommand(name, name + " [address]", name); | |
761 } | |
762 */ | |
763 } | |
764 } | |
765 //clean-up the temporary | |
766 delete tmp; | |
767 | |
768 // VMObject factory | |
769 | |
770 // VM type to SA class map | |
771 var vmType2Class = new Object(); | |
772 | |
773 // This is *not* exhaustive. Add more if needed. | |
774 // code blobs | |
775 vmType2Class["BufferBlob"] = sapkg.code.BufferBlob; | |
776 vmType2Class["nmethod"] = sapkg.code.NMethod; | |
777 vmType2Class["RuntimeStub"] = sapkg.code.RuntimeStub; | |
778 vmType2Class["SafepointBlob"] = sapkg.code.SafepointBlob; | |
779 vmType2Class["C2IAdapter"] = sapkg.code.C2IAdapter; | |
780 vmType2Class["DeoptimizationBlob"] = sapkg.code.DeoptimizationBlob; | |
781 vmType2Class["ExceptionBlob"] = sapkg.code.ExceptionBlob; | |
782 vmType2Class["I2CAdapter"] = sapkg.code.I2CAdapter; | |
783 vmType2Class["OSRAdapter"] = sapkg.code.OSRAdapter; | |
784 vmType2Class["UncommonTrapBlob"] = sapkg.code.UncommonTrapBlob; | |
785 vmType2Class["PCDesc"] = sapkg.code.PCDesc; | |
786 | |
787 // interpreter | |
788 vmType2Class["InterpreterCodelet"] = sapkg.interpreter.InterpreterCodelet; | |
789 | |
790 // Java Threads | |
791 vmType2Class["JavaThread"] = sapkg.runtime.JavaThread; | |
792 vmType2Class["CompilerThread"] = sapkg.runtime.CompilerThread; | |
793 vmType2Class["SurrogateLockerThread"] = sapkg.runtime.JavaThread; | |
794 vmType2Class["DebuggerThread"] = sapkg.runtime.DebuggerThread; | |
795 | |
796 // gc | |
797 vmType2Class["GenCollectedHeap"] = sapkg.memory.GenCollectedHeap; | |
798 vmType2Class["DefNewGeneration"] = sapkg.memory.DefNewGeneration; | |
799 vmType2Class["TenuredGeneration"] = sapkg.memory.TenuredGeneration; | |
800 | |
801 // generic VMObject factory for a given address | |
802 // This is equivalent to VirtualConstructor. | |
803 function newVMObject(addr) { | |
804 addr = any2addr(addr); | |
805 var result = null; | |
806 forEachVMType(function (type) { | |
807 if (isOfVMType(addr, type)) { | |
808 var clazz = vmType2Class[type.name]; | |
809 if (clazz != undefined) { | |
810 result = new clazz(addr); | |
811 } | |
812 return false; | |
813 } else { | |
814 return true; | |
815 } | |
816 }); | |
817 return result; | |
818 } | |
819 | |
820 function vmobj2addr(vmobj) { | |
821 return vmobj.address; | |
822 } | |
823 | |
824 function addr2vmobj(addr) { | |
825 return newVMObject(addr); | |
826 } | |
827 | |
828 // Miscellaneous utilities | |
829 | |
830 // returns PointerLocation that describes the given pointer | |
831 function findPtr(addr) { | |
832 addr = any2addr(addr); | |
833 return sapkg.utilities.PointerFinder.find(addr); | |
834 } | |
835 | |
836 // is given address a valid Oop? | |
837 function isOop(addr) { | |
838 addr = any2addr(addr); | |
839 var oopHandle = addr.addOffsetToAsOopHandle(0); | |
840 return sapkg.utilities.RobustOopDeterminator.oopLooksValid(oopHandle); | |
841 } | |
842 | |
843 // returns description of given pointer as a String | |
844 function whatis(addr) { | |
845 addr = any2addr(addr); | |
846 var ptrLoc = findPtr(addr); | |
847 if (ptrLoc.isUnknown()) { | |
848 var vmType = vmTypeof(addr); | |
849 if (vmType != null) { | |
850 return "pointer to " + vmType.name; | |
851 } else { | |
852 var sym = closestSymbolFor(addr); | |
853 if (sym != null) { | |
854 return sym.name + '+' + sym.offset; | |
855 } else { | |
856 return ptrLoc.toString(); | |
857 } | |
858 } | |
859 } else { | |
860 return ptrLoc.toString(); | |
861 } | |
862 } |