Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/soql/sa.js @ 14373:d7cb88bd7046
7127191: SA JSDB does not display native symbols correctly for transported Linux cores
Summary: Better handle SA_ALTROOT
Reviewed-by: sla, sspitsyn
| author | dsamersoff |
|---|---|
| date | Wed, 12 Feb 2014 23:39:53 +0400 |
| parents | 46eeb3056482 |
| children | 4ca6dc0799b6 |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2004, 2013, 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.c1 = sapkg.hotspot.c1; | |
| 35 sapkg.code = sapkg.hotspot.code; | |
| 36 sapkg.compiler = sapkg.hotspot.compiler; | |
| 37 | |
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38 // 'debugger' is a JavaScript keyword, but ES5 relaxes the |
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39 // restriction of using keywords as property name |
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40 sapkg.debugger = sapkg.hotspot.debugger; |
| 0 | 41 |
| 42 sapkg.interpreter = sapkg.hotspot.interpreter; | |
| 43 sapkg.jdi = sapkg.hotspot.jdi; | |
| 44 sapkg.memory = sapkg.hotspot.memory; | |
| 45 sapkg.oops = sapkg.hotspot.oops; | |
| 46 sapkg.runtime = sapkg.hotspot.runtime; | |
| 47 sapkg.tools = sapkg.hotspot.tools; | |
| 48 sapkg.types = sapkg.hotspot.types; | |
| 49 sapkg.ui = sapkg.hotspot.ui; | |
| 50 sapkg.utilities = sapkg.hotspot.utilities; | |
| 51 | |
| 52 // SA singletons are kept in 'sa' object | |
| 53 var sa = new Object(); | |
| 54 sa.vm = sapkg.runtime.VM.getVM(); | |
| 55 sa.dbg = sa.vm.getDebugger(); | |
| 56 sa.cdbg = sa.dbg.CDebugger; | |
| 57 sa.heap = sa.vm.universe.heap(); | |
| 58 sa.systemDictionary = sa.vm.systemDictionary; | |
| 59 sa.sysDict = sa.systemDictionary; | |
| 60 sa.symbolTable = sa.vm.symbolTable; | |
| 61 sa.symTbl = sa.symbolTable; | |
| 62 sa.threads = sa.vm.threads; | |
| 63 sa.interpreter = sa.vm.interpreter; | |
| 64 sa.typedb = sa.vm.typeDataBase; | |
| 65 sa.codeCache = sa.vm.codeCache; | |
| 66 // 'objHeap' is different from 'heap'!. | |
| 67 // This is SA's Oop factory and heap-walker | |
| 68 sa.objHeap = sa.vm.objectHeap; | |
| 69 | |
| 70 // few useful global variables | |
| 71 var OS = sa.vm.OS; | |
| 72 var CPU = sa.vm.CPU; | |
| 73 var LP64 = sa.vm.LP64; | |
| 74 var isClient = sa.vm.clientCompiler; | |
| 75 var isServer = sa.vm.serverCompiler; | |
| 76 var isCore = sa.vm.isCore(); | |
| 77 var addressSize = sa.vm.addressSize; | |
| 78 var oopSize = sa.vm.oopSize; | |
| 79 | |
| 80 // this "main" function is called immediately | |
| 81 // after loading this script file | |
| 82 function main(globals, jvmarg) { | |
| 83 // wrap a sun.jvm.hotspot.utilities.soql.ScriptObject | |
| 84 // object so that the properties of it can be accessed | |
| 85 // in natural object.field syntax. | |
| 86 function wrapScriptObject(so) { | |
| 87 function unwrapScriptObject(wso) { | |
| 88 var objType = typeof(wso); | |
| 89 if ((objType == 'object' || | |
| 90 objType == 'function') | |
| 91 && "__wrapped__" in wso) { | |
| 92 return wso.__wrapped__; | |
| 93 } else { | |
| 94 return wso; | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 function prepareArgsArray(array) { | |
| 99 var args = new Array(array.length); | |
| 100 for (var a = 0; a < array.length; a++) { | |
| 101 var elem = array[a]; | |
| 102 elem = unwrapScriptObject(elem); | |
| 103 if (typeof(elem) == 'function') { | |
| 104 args[a] = new sapkg.utilities.soql.Callable() { | |
| 105 call: function(myargs) { | |
| 106 var tmp = new Array(myargs.length); | |
| 107 for (var i = 0; i < myargs.length; i++) { | |
| 108 tmp[i] = wrapScriptObject(myargs[i]); | |
| 109 } | |
| 110 return elem.apply(this, tmp); | |
| 111 } | |
| 112 } | |
| 113 } else { | |
| 114 args[a] = elem; | |
| 115 } | |
| 116 } | |
| 117 return args; | |
| 118 } | |
| 119 | |
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120 // Handle __has__ specially to avoid metacircularity problems |
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121 // when called from __get__. |
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122 // Calling |
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123 // this.__has__(name) |
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124 // will in turn call |
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125 // this.__call__('__has__', name) |
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126 // which is not handled below |
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127 function __has__(name) { |
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128 if (typeof(name) == 'number') { |
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129 return so["has(int)"](name); |
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130 } else { |
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131 if (name == '__wrapped__') { |
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132 return true; |
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133 } else if (so["has(java.lang.String)"](name)) { |
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134 return true; |
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135 } else if (name.equals('toString')) { |
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136 return true; |
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137 } else { |
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138 return false; |
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139 } |
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140 } |
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141 } |
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142 |
| 0 | 143 if (so instanceof sapkg.utilities.soql.ScriptObject) { |
| 144 return new JSAdapter() { | |
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145 __getIds__: function() { |
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146 return so.getIds(); |
| 0 | 147 }, |
| 148 | |
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149 __has__ : __has__, |
| 0 | 150 |
| 151 __delete__ : function(name) { | |
| 152 if (typeof(name) == 'number') { | |
| 153 return so["delete(int)"](name); | |
| 154 } else { | |
| 155 return so["delete(java.lang.String)"](name); | |
| 156 } | |
| 157 }, | |
| 158 | |
| 159 __get__ : function(name) { | |
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160 // don't call this.__has__(name); see comments above function __has__ |
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161 if (! __has__.call(this, name)) { |
| 0 | 162 return undefined; |
| 163 } | |
| 164 if (typeof(name) == 'number') { | |
| 165 return wrapScriptObject(so["get(int)"](name)); | |
| 166 } else { | |
| 167 if (name == '__wrapped__') { | |
| 168 return so; | |
| 169 } else { | |
| 170 var value = so["get(java.lang.String)"](name); | |
| 171 if (value instanceof sapkg.utilities.soql.Callable) { | |
| 172 return function() { | |
| 173 var args = prepareArgsArray(arguments); | |
| 174 var r; | |
| 175 try { | |
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176 r = value.call(Java.to(args, 'java.lang.Object[]')); |
| 0 | 177 } catch (e) { |
| 178 println("call to " + name + " failed!"); | |
| 179 throw e; | |
| 180 } | |
| 181 return wrapScriptObject(r); | |
| 182 } | |
| 183 } else if (name == 'toString') { | |
| 184 return function() { | |
| 185 return so.toString(); | |
| 186 } | |
| 187 } else { | |
| 188 return wrapScriptObject(value); | |
| 189 } | |
| 190 } | |
| 191 } | |
| 192 } | |
| 193 }; | |
| 194 } else { | |
| 195 return so; | |
| 196 } | |
| 197 } | |
| 198 | |
| 199 // set "jvm" global variable that wraps a | |
| 200 // sun.jvm.hotspot.utilities.soql.JSJavaVM instance | |
| 201 if (jvmarg != null) { | |
| 202 jvm = wrapScriptObject(jvmarg); | |
| 203 // expose "heap" global variable | |
| 204 heap = jvm.heap; | |
| 205 } | |
| 206 | |
| 207 // expose all "function" type properties of | |
| 208 // sun.jvm.hotspot.utilitites.soql.JSJavaScriptEngine | |
| 209 // as global functions here. | |
| 210 globals = wrapScriptObject(globals); | |
| 211 for (var prop in globals) { | |
| 212 if (typeof(globals[prop]) == 'function') { | |
| 213 this[prop] = globals[prop]; | |
| 214 } | |
| 215 } | |
| 216 | |
| 217 // define "writeln" and "write" if not defined | |
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218 if (typeof(println) == 'undefined') { |
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219 println = function (str) { |
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220 java.lang.System.out.println(String(str)); |
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221 } |
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222 } |
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223 |
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224 if (typeof(print) == 'undefined') { |
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225 print = function (str) { |
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226 java.lang.System.out.print(String(str)); |
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227 } |
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228 } |
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229 |
| 0 | 230 if (typeof(writeln) == 'undefined') { |
| 231 writeln = println; | |
| 232 } | |
| 233 | |
| 234 if (typeof(write) == 'undefined') { | |
| 235 write = print; | |
| 236 } | |
| 237 | |
| 238 // "registerCommand" function is defined if we | |
| 239 // are running as part of "CLHSDB" tool. CLHSDB | |
| 240 // tool exposes Unix-style commands. | |
| 241 | |
| 242 // if "registerCommand" function is defined | |
| 243 // then register few global functions as "commands". | |
| 244 if (typeof(registerCommand) == 'function') { | |
| 245 this.jclass = function(name) { | |
| 246 if (typeof(name) == "string") { | |
| 247 var clazz = sapkg.utilities.SystemDictionaryHelper.findInstanceKlass(name); | |
| 248 if (clazz) { | |
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249 writeln(clazz.getName().asString() + " @" + clazz.getAddress().toString()); |
| 0 | 250 } else { |
| 251 writeln("class not found: " + name); | |
| 252 } | |
| 253 } else { | |
| 254 writeln("Usage: class name"); | |
| 255 } | |
| 256 } | |
| 257 registerCommand("class", "class name", "jclass"); | |
| 258 | |
| 259 this.jclasses = function() { | |
| 260 forEachKlass(function (clazz) { | |
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261 writeln(clazz.getName().asString() + " @" + clazz.getAddress().toString()); |
| 0 | 262 }); |
| 263 } | |
| 264 registerCommand("classes", "classes", "jclasses"); | |
| 265 | |
| 266 this.dclass = function(clazz, dir) { | |
| 267 if (!clazz) { | |
| 268 writeln("Usage: dumpclass { address | name } [ directory ]"); | |
| 269 } else { | |
| 270 if (!dir) { dir = "."; } | |
| 271 dumpClass(clazz, dir); | |
| 272 } | |
| 273 } | |
| 274 registerCommand("dumpclass", "dumpclass { address | name } [ directory ]", "dclass"); | |
| 275 registerCommand("dumpheap", "dumpheap [ file ]", "dumpHeap"); | |
| 276 | |
| 277 this.jseval = function(str) { | |
| 278 if (!str) { | |
| 279 writeln("Usage: jseval script"); | |
| 280 } else { | |
| 281 var res = eval(str); | |
| 282 if (res) { writeln(res); } | |
| 283 } | |
| 284 } | |
| 285 registerCommand("jseval", "jseval script", "jseval"); | |
| 286 | |
| 287 this.jsload = function(file) { | |
| 288 if (!file) { | |
| 289 writeln("Usage: jsload file"); | |
| 290 } else { | |
| 291 load(file); | |
| 292 } | |
| 293 } | |
| 294 registerCommand("jsload", "jsload file", "jsload"); | |
| 295 | |
| 296 this.printMem = function(addr, len) { | |
| 297 if (!addr) { | |
| 298 writeln("Usage: mem [ length ]"); | |
| 299 } else { | |
| 300 mem(addr, len); | |
| 301 } | |
| 302 } | |
| 303 registerCommand("mem", "mem address [ length ]", "printMem"); | |
| 304 | |
| 305 this.sysProps = function() { | |
| 306 for (var i in jvm.sysProps) { | |
| 307 writeln(i + ' = ' + jvm.sysProps[i]); | |
| 308 } | |
| 309 } | |
| 310 registerCommand("sysprops", "sysprops", "sysProps"); | |
| 311 | |
| 312 this.printWhatis = function(addr) { | |
| 313 if (!addr) { | |
| 314 writeln("Usage: whatis address"); | |
| 315 } else { | |
| 316 writeln(whatis(addr)); | |
| 317 } | |
| 318 } | |
| 319 registerCommand("whatis", "whatis address", "printWhatis"); | |
| 320 } | |
| 321 } | |
| 322 | |
| 323 // debugger functionality | |
| 324 | |
| 325 // string-to-Address | |
| 326 function str2addr(str) { | |
| 327 return sa.dbg.parseAddress(str); | |
| 328 } | |
| 329 | |
| 330 // number-to-Address | |
| 331 if (addressSize == 4) { | |
| 332 eval("function num2addr(num) { \ | |
| 333 return str2addr('0x' + java.lang.Integer.toHexString(0xffffffff & num)); \ | |
| 334 }"); | |
| 335 } else { | |
| 336 eval("function num2addr(num) { \ | |
| 337 return str2addr('0x' + java.lang.Long.toHexString(num)); \ | |
| 338 }"); | |
| 339 } | |
| 340 | |
| 341 // generic any-type-to-Address | |
| 342 // use this convenience function to accept address in any | |
| 343 // format -- number, string or an Address instance. | |
| 344 function any2addr(addr) { | |
| 345 var type = typeof(addr); | |
| 346 if (type == 'number') { | |
| 347 return num2addr(addr); | |
| 348 } else if (type == 'string') { | |
| 349 return str2addr(addr); | |
| 350 } else { | |
| 351 return addr; | |
| 352 } | |
| 353 } | |
| 354 | |
| 355 // Address-to-string | |
| 356 function addr2str(addr) { | |
| 357 if (addr == null) { | |
| 358 return (addressSize == 4)? '0x00000000' : '0x0000000000000000'; | |
| 359 } else { | |
| 360 return addr + ''; | |
| 361 } | |
| 362 } | |
| 363 | |
| 364 // Address-to-number | |
| 365 function addr2num(addr) { | |
| 366 return sa.dbg.getAddressValue(addr); | |
| 367 } | |
| 368 | |
| 369 // symbol-to-Address | |
| 370 function sym2addr(dso, sym) { | |
| 371 return sa.dbg.lookup(dso, sym); | |
| 372 } | |
| 373 | |
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374 function loadObjectContainingPC(addr) { |
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375 if (sa.cdbg == null) { |
| 0 | 376 // no CDebugger support, return null |
| 377 return null; | |
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378 } |
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379 |
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380 return sa.cdbg.loadObjectContainingPC(addr); |
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381 } |
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382 |
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383 // returns the ClosestSymbol or null |
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384 function closestSymbolFor(addr) { |
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385 var dso = loadObjectContainingPC(addr); |
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386 if (dso != null) { |
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387 return dso.closestSymbolToPC(addr); |
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388 } |
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389 |
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390 return null; |
| 0 | 391 } |
| 392 | |
| 393 // Address-to-symbol | |
| 394 // returns nearest symbol as string if found | |
| 395 // else returns address as string | |
| 396 function addr2sym(addr) { | |
| 397 var sym = closestSymbolFor(addr); | |
| 398 if (sym != null) { | |
| 399 return sym.name + '+' + sym.offset; | |
| 400 } else { | |
| 401 return addr2str(addr); | |
| 402 } | |
| 403 } | |
| 404 | |
| 405 // read 'num' words at 'addr' and return an array as result. | |
| 406 // returns Java long[] type result and not a JavaScript array. | |
| 407 function readWordsAt(addr, num) { | |
| 408 addr = any2addr(addr); | |
| 409 var res = java.lang.reflect.Array.newInstance(java.lang.Long.TYPE, num); | |
| 410 var i; | |
| 411 for (i = 0; i < num; i++) { | |
| 412 res[i] = addr2num(addr.getAddressAt(i * addressSize)); | |
| 413 } | |
| 414 return res; | |
| 415 } | |
| 416 | |
| 417 // read the 'C' string at 'addr' | |
| 418 function readCStrAt(addr) { | |
| 419 addr = any2addr(addr); | |
| 420 return sapkg.utilities.CStringUtilities.getString(addr); | |
| 421 } | |
| 422 | |
| 423 // read the length of the 'C' string at 'addr' | |
| 424 function readCStrLen(addr) { | |
| 425 addr = any2addr(addr); | |
| 426 return sapkg.utilities.CStringUtilities.getStringLength(addr); | |
| 427 } | |
| 428 | |
| 429 // iterate through ThreadList of CDebugger | |
| 430 function forEachThread(callback) { | |
| 431 if (sa.cdbg == null) { | |
| 432 // no CDebugger support | |
| 433 return; | |
| 434 } else { | |
| 435 var itr = sa.cdbg.threadList.iterator(); | |
| 436 while (itr.hasNext()) { | |
| 437 if (callback(itr.next()) == false) return; | |
| 438 } | |
| 439 } | |
| 440 } | |
| 441 | |
| 442 // read register set of a ThreadProxy as name-value pairs | |
| 443 function readRegs(threadProxy) { | |
| 444 var ctx = threadProxy.context; | |
| 445 var num = ctx.numRegisters; | |
| 446 var res = new Object(); | |
| 447 var i; | |
| 448 for (i = 0; i < num; i++) { | |
| 449 res[ctx.getRegisterName(i)]= addr2str(ctx.getRegisterAsAddress(i)); | |
| 450 } | |
| 451 return res; | |
| 452 } | |
| 453 | |
| 454 // print register set for a given ThreaProxy | |
| 455 function regs(threadProxy) { | |
| 456 var res = readRegs(threadProxy); | |
| 457 for (i in res) { | |
| 458 writeln(i, '=', res[i]); | |
| 459 } | |
| 460 } | |
| 461 | |
| 462 // iterate through each CFrame of a given ThreadProxy | |
| 463 function forEachCFrame(threadProxy, callback) { | |
| 464 if (sa.cdbg == null) { | |
| 465 // no CDebugger support | |
| 466 return; | |
| 467 } else { | |
| 468 var cframe = sa.cdbg.topFrameForThread(threadProxy); | |
| 469 while (cframe != null) { | |
| 470 if (callback(cframe) == false) return; | |
| 471 cframe = cframe.sender(); | |
| 472 } | |
| 473 } | |
| 474 } | |
| 475 | |
| 476 // iterate through list of load objects (DLLs, DSOs) | |
| 477 function forEachLoadObject(callback) { | |
| 478 if (sa.cdbg == null) { | |
| 479 // no CDebugger support | |
| 480 return; | |
| 481 } else { | |
| 482 var itr = sa.cdbg.loadObjectList.iterator(); | |
| 483 while (itr.hasNext()) { | |
| 484 if (callback(itr.next()) == false) return; | |
| 485 } | |
| 486 } | |
| 487 } | |
| 488 | |
| 489 // print 'num' words at 'addr' | |
| 490 function mem(addr, num) { | |
| 491 if (num == undefined) { | |
| 492 num = 1; | |
| 493 } | |
| 494 addr = any2addr(addr); | |
| 495 var i; | |
| 496 for (i = 0; i < num; i++) { | |
| 497 var value = addr.getAddressAt(0); | |
| 498 writeln(addr2sym(addr) + ':', addr2str(value)); | |
| 499 addr = addr.addOffsetTo(addressSize); | |
| 500 } | |
| 501 writeln(); | |
| 502 } | |
| 503 | |
| 504 // System dictionary functions | |
| 505 | |
| 506 // find InstanceKlass by name | |
| 507 function findInstanceKlass(name) { | |
| 508 return sapkg.utilities.SystemDictionaryHelper.findInstanceKlass(name); | |
| 509 } | |
| 510 | |
| 511 // get Java system loader (i.e., application launcher loader) | |
| 512 function systemLoader() { | |
| 513 return sa.sysDict.javaSystemLoader(); | |
| 514 } | |
| 515 | |
| 516 // iterate system dictionary for each 'Klass' | |
| 517 function forEachKlass(callback) { | |
| 518 var VisitorClass = sapkg.memory.SystemDictionary.ClassVisitor; | |
| 519 var visitor = new VisitorClass() { visit: callback }; | |
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520 sa.sysDict["classesDo(sun.jvm.hotspot.memory.SystemDictionary.ClassVisitor)"](visitor); |
| 0 | 521 } |
| 522 | |
| 523 // iterate system dictionary for each 'Klass' and initiating loader | |
| 524 function forEachKlassAndLoader(callback) { | |
| 525 var VisitorClass = sapkg.memory.SystemDictionary.ClassAndLoaderVisitor; | |
| 526 var visitor = new VisitorClass() { visit: callback }; | |
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527 sa.sysDict["classesDo(sun.jvm.hotspot.memory.SystemDictionary.ClassAndLoaderVisitor)"](visitor); |
| 0 | 528 } |
| 529 | |
| 530 // iterate system dictionary for each primitive array klass | |
| 531 function forEachPrimArrayKlass(callback) { | |
| 532 var VisitorClass = sapkg.memory.SystemDictionary.ClassAndLoaderVisitor; | |
| 533 sa.sysDict.primArrayClassesDo(new VisitorClass() { visit: callback }); | |
| 534 } | |
| 535 | |
| 536 // 'oop' to higher-level java object wrapper in which for(i in o) | |
| 537 // works by iterating java level fields and javaobject.javafield | |
| 538 // syntax works. | |
| 539 function oop2obj(oop) { | |
| 540 return object(addr2str(oop.handle)); | |
| 541 } | |
| 542 | |
| 543 // higher level java object wrapper to oop | |
| 544 function obj2oop(obj) { | |
| 545 return addr2oop(str2addr(address(obj))); | |
| 546 } | |
| 547 | |
| 548 // Java heap iteration | |
| 549 | |
| 550 // iterates Java heap for each Oop | |
| 551 function forEachOop(callback) { | |
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552 function empty() { } |
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553 sa.objHeap.iterate(new sapkg.oops.HeapVisitor() { |
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554 prologue: empty, |
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555 doObj: callback, |
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556 epilogue: empty |
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557 }); |
| 0 | 558 } |
| 559 | |
| 560 // iterates Java heap for each Oop of given 'klass'. | |
| 561 // 'includeSubtypes' tells whether to include objects | |
| 562 // of subtypes of 'klass' or not | |
| 563 function forEachOopOfKlass(callback, klass, includeSubtypes) { | |
| 564 if (klass == undefined) { | |
| 565 klass = findInstanceKlass("java.lang.Object"); | |
| 566 } | |
| 567 | |
| 568 if (includeSubtypes == undefined) { | |
| 569 includeSubtypes = true; | |
| 570 } | |
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571 |
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572 function empty() { } |
| 0 | 573 sa.objHeap.iterateObjectsOfKlass( |
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574 new sapkg.oops.HeapVisitor() { |
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575 prologue: empty, |
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576 doObj: callback, |
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577 epilogue: empty |
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578 }, |
| 0 | 579 klass, includeSubtypes); |
| 580 } | |
| 581 | |
| 582 // Java thread | |
| 583 | |
| 584 // iterates each Thread | |
| 585 function forEachJavaThread(callback) { | |
| 586 var threads = sa.threads; | |
| 587 var thread = threads.first(); | |
| 588 while (thread != null) { | |
| 589 if (callback(thread) == false) return; | |
| 590 thread = thread.next(); | |
| 591 } | |
| 592 } | |
| 593 | |
| 594 // iterate Frames of a given thread | |
| 595 function forEachFrame(javaThread, callback) { | |
| 596 var fr = javaThread.getLastFrameDbg(); | |
| 597 while (fr != null) { | |
| 598 if (callback(fr) == false) return; | |
| 599 fr = fr.sender(); | |
| 600 } | |
| 601 } | |
| 602 | |
| 603 // iterate JavaVFrames of a given JavaThread | |
| 604 function forEachVFrame(javaThread, callback) { | |
| 605 var vfr = javaThread.getLastJavaVFrameDbg(); | |
| 606 while (vfr != null) { | |
| 607 if (callback(vfr) == false) return; | |
| 608 vfr = vfr.javaSender(); | |
| 609 } | |
| 610 } | |
| 611 | |
| 612 function printStackTrace(javaThread) { | |
| 613 write("Thread "); | |
| 614 javaThread.printThreadIDOn(java.lang.System.out); | |
| 615 writeln(); | |
| 616 forEachVFrame(javaThread, function (vf) { | |
| 617 var method = vf.method; | |
| 618 write(' - ', method.externalNameAndSignature(), '@bci =', vf.getBCI()); | |
| 619 var line = method.getLineNumberFromBCI(vf.getBCI()); | |
| 620 if (line != -1) { write(', line=', line); } | |
| 621 if (vf.isCompiledFrame()) { write(" (Compiled Frame)"); } | |
| 622 if (vf.isInterpretedFrame()) { write(" (Interpreted Frame)"); } | |
| 623 writeln(); | |
| 624 }); | |
| 625 writeln(); | |
| 626 writeln(); | |
| 627 } | |
| 628 | |
| 629 // print Java stack trace for all threads | |
| 630 function where(javaThread) { | |
| 631 if (javaThread == undefined) { | |
| 632 forEachJavaThread(function (jt) { printStackTrace(jt); }); | |
| 633 } else { | |
| 634 printStackTrace(javaThread); | |
| 635 } | |
| 636 } | |
| 637 | |
| 638 // vmStructs access -- type database functions | |
| 639 | |
| 640 // find a VM type | |
| 641 function findVMType(typeName) { | |
| 642 return sa.typedb.lookupType(typeName); | |
| 643 } | |
| 644 | |
| 645 // iterate VM types | |
| 646 function forEachVMType(callback) { | |
| 647 var itr = sa.typedb.types; | |
| 648 while (itr.hasNext()) { | |
| 649 if (callback(itr.next()) == false) return; | |
| 650 } | |
| 651 } | |
| 652 | |
| 653 // find VM int constant | |
| 654 function findVMIntConst(name) { | |
| 655 return sa.typedb.lookupIntConstant(name); | |
| 656 } | |
| 657 | |
| 658 // find VM long constant | |
| 659 function findVMLongConst(name) { | |
| 660 return sa.typedb.lookupLongConstant(name); | |
| 661 } | |
| 662 | |
| 663 // iterate VM int constants | |
| 664 function forEachVMIntConst(callback) { | |
| 665 var itr = sa.typedb.intConstants; | |
| 666 while (itr.hasNext()) { | |
| 667 if (callback(itr.next()) == false) return; | |
| 668 } | |
| 669 } | |
| 670 | |
| 671 // iterate VM long constants | |
| 672 function forEachVMLongConst(callback) { | |
| 673 var itr = sa.typedb.longConstants; | |
| 674 while (itr.hasNext()) { | |
| 675 if (callback(itr.next()) == false) return; | |
| 676 } | |
| 677 } | |
| 678 | |
| 679 // returns VM Type at address | |
| 680 function vmTypeof(addr) { | |
| 681 addr = any2addr(addr); | |
| 682 return sa.typedb.guessTypeForAddress(addr); | |
| 683 } | |
| 684 | |
| 685 // does the given 'addr' points to an object of given 'type'? | |
| 686 // OR any valid Type at all (if type is undefined) | |
| 687 function isOfVMType(addr, type) { | |
| 688 addr = any2addr(addr); | |
| 689 if (type == undefined) { | |
| 690 return vmTypeof(addr) != null; | |
| 691 } else { | |
| 692 if (typeof(type) == 'string') { | |
| 693 type = findVMType(type); | |
| 694 } | |
| 695 return sa.typedb.addressTypeIsEqualToType(addr, type); | |
| 696 } | |
| 697 } | |
| 698 | |
| 699 // reads static field value | |
| 700 function readVMStaticField(field) { | |
| 701 var type = field.type; | |
| 702 if (type.isCIntegerType() || type.isJavaPrimitiveType()) { | |
| 703 return field.value; | |
| 704 } else if (type.isPointerType()) { | |
| 705 return field.address; | |
| 706 } else if (type.isOopType()) { | |
| 707 return field.oopHandle; | |
| 708 } else { | |
| 709 return field.staticFieldAddress; | |
| 710 } | |
| 711 } | |
| 712 | |
| 713 // reads given instance field of VM object at 'addr' | |
| 714 function readVMInstanceField(field, addr) { | |
| 715 var type = field.type; | |
| 716 if (type.isCIntegerType() || type.isJavaPrimitiveType()) { | |
| 717 return field.getValue(addr); | |
| 718 } else if (type.isPointerType()) { | |
| 719 return field.getAddress(addr); | |
| 720 } else if (type.isOopType()) { | |
| 721 return field.getOopHandle(addr); | |
| 722 } else { | |
| 723 return addr.addOffsetTo(field.offset); | |
| 724 } | |
| 725 } | |
| 726 | |
| 727 // returns name-value of pairs of VM type at given address. | |
| 728 // If address is unspecified, reads static fields as name-value pairs. | |
| 729 function readVMType(type, addr) { | |
| 730 if (typeof(type) == 'string') { | |
| 731 type = findVMType(type); | |
| 732 } | |
| 733 if (addr != undefined) { | |
| 734 addr = any2addr(addr); | |
| 735 } | |
| 736 | |
| 737 var result = new Object(); | |
| 738 var staticOnly = (addr == undefined); | |
| 739 while (type != null) { | |
| 740 var itr = type.fields; | |
| 741 while (itr.hasNext()) { | |
| 742 var field = itr.next(); | |
| 743 var isStatic = field.isStatic(); | |
| 744 if (staticOnly && isStatic) { | |
| 745 result[field.name] = readVMStaticField(field); | |
| 746 } else if (!staticOnly && !isStatic) { | |
| 747 result[field.name] = readVMInstanceField(field, addr); | |
| 748 } | |
| 749 } | |
| 750 type = type.superclass; | |
| 751 } | |
| 752 return result; | |
| 753 } | |
| 754 | |
| 755 function printVMType(type, addr) { | |
| 756 if (typeof(type) == 'string') { | |
| 757 type = findVMType(type); | |
| 758 } | |
| 759 var obj = readVMType(type, addr); | |
| 760 while (type != null) { | |
| 761 var itr = type.fields; | |
| 762 while (itr.hasNext()) { | |
| 763 var field = itr.next(); | |
| 764 var name = field.name; | |
| 765 var value = obj[name]; | |
| 766 if (value != undefined) { | |
| 767 writeln(field.type.name, type.name + '::' + name, '=', value); | |
| 768 } | |
| 769 } | |
| 770 type = type.superclass; | |
| 771 } | |
| 772 } | |
| 773 | |
| 774 // define readXXX and printXXX functions for each VM struct/class Type | |
| 775 tmp = new Object(); | |
| 776 tmp.itr = sa.typedb.types; | |
| 777 while (tmp.itr.hasNext()) { | |
| 778 tmp.type = tmp.itr.next(); | |
| 779 tmp.name = tmp.type.name; | |
| 780 if (tmp.type.isPointerType() || tmp.type.isOopType() || | |
| 781 tmp.type.isCIntegerType() || tmp.type.isJavaPrimitiveType() || | |
| 782 tmp.name.equals('address') || | |
| 783 tmp.name.equals("<opaque>")) { | |
| 784 // ignore; | |
| 785 continue; | |
| 786 } else { | |
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787 // some type names have ':', '<', '>', '*', ' '. replace to make it as a |
| 0 | 788 // JavaScript identifier |
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789 tmp.name = ("" + tmp.name).replace(/[:<>* ]/g, '_'); |
| 0 | 790 eval("function read" + tmp.name + "(addr) {" + |
| 791 " return readVMType('" + tmp.name + "', addr);}"); | |
| 792 eval("function print" + tmp.name + "(addr) {" + | |
| 793 " printVMType('" + tmp.name + "', addr); }"); | |
| 794 | |
| 795 /* FIXME: do we need this? | |
| 796 if (typeof(registerCommand) != 'undefined') { | |
| 797 var name = "print" + tmp.name; | |
| 798 registerCommand(name, name + " [address]", name); | |
| 799 } | |
| 800 */ | |
| 801 } | |
| 802 } | |
| 803 //clean-up the temporary | |
| 804 delete tmp; | |
| 805 | |
| 806 // VMObject factory | |
| 807 | |
| 808 // VM type to SA class map | |
| 809 var vmType2Class = new Object(); | |
| 810 | |
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811 // C2 only classes |
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812 try{ |
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813 vmType2Class["ExceptionBlob"] = sapkg.code.ExceptionBlob; |
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814 vmType2Class["UncommonTrapBlob"] = sapkg.code.UncommonTrapBlob; |
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815 } catch(e) { |
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816 // Ignore exception. C2 specific objects might be not |
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817 // available in client VM |
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818 } |
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819 |
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820 |
| 0 | 821 // This is *not* exhaustive. Add more if needed. |
| 822 // code blobs | |
| 823 vmType2Class["BufferBlob"] = sapkg.code.BufferBlob; | |
| 824 vmType2Class["nmethod"] = sapkg.code.NMethod; | |
| 825 vmType2Class["RuntimeStub"] = sapkg.code.RuntimeStub; | |
| 826 vmType2Class["SafepointBlob"] = sapkg.code.SafepointBlob; | |
| 827 vmType2Class["C2IAdapter"] = sapkg.code.C2IAdapter; | |
| 828 vmType2Class["DeoptimizationBlob"] = sapkg.code.DeoptimizationBlob; | |
| 829 vmType2Class["I2CAdapter"] = sapkg.code.I2CAdapter; | |
| 830 vmType2Class["OSRAdapter"] = sapkg.code.OSRAdapter; | |
| 831 vmType2Class["PCDesc"] = sapkg.code.PCDesc; | |
| 832 | |
| 833 // interpreter | |
| 834 vmType2Class["InterpreterCodelet"] = sapkg.interpreter.InterpreterCodelet; | |
| 835 | |
| 836 // Java Threads | |
| 837 vmType2Class["JavaThread"] = sapkg.runtime.JavaThread; | |
| 838 vmType2Class["CompilerThread"] = sapkg.runtime.CompilerThread; | |
| 839 vmType2Class["SurrogateLockerThread"] = sapkg.runtime.JavaThread; | |
| 840 vmType2Class["DebuggerThread"] = sapkg.runtime.DebuggerThread; | |
| 841 | |
| 842 // gc | |
| 843 vmType2Class["GenCollectedHeap"] = sapkg.memory.GenCollectedHeap; | |
| 844 vmType2Class["DefNewGeneration"] = sapkg.memory.DefNewGeneration; | |
| 845 vmType2Class["TenuredGeneration"] = sapkg.memory.TenuredGeneration; | |
| 846 | |
| 847 // generic VMObject factory for a given address | |
| 848 // This is equivalent to VirtualConstructor. | |
| 849 function newVMObject(addr) { | |
| 850 addr = any2addr(addr); | |
| 851 var result = null; | |
| 852 forEachVMType(function (type) { | |
| 853 if (isOfVMType(addr, type)) { | |
| 854 var clazz = vmType2Class[type.name]; | |
| 855 if (clazz != undefined) { | |
| 856 result = new clazz(addr); | |
| 857 } | |
| 858 return false; | |
| 859 } else { | |
| 860 return true; | |
| 861 } | |
| 862 }); | |
| 863 return result; | |
| 864 } | |
| 865 | |
| 866 function vmobj2addr(vmobj) { | |
| 867 return vmobj.address; | |
| 868 } | |
| 869 | |
| 870 function addr2vmobj(addr) { | |
| 871 return newVMObject(addr); | |
| 872 } | |
| 873 | |
| 874 // Miscellaneous utilities | |
| 875 | |
| 876 // returns PointerLocation that describes the given pointer | |
| 877 function findPtr(addr) { | |
| 878 addr = any2addr(addr); | |
| 879 return sapkg.utilities.PointerFinder.find(addr); | |
| 880 } | |
| 881 | |
| 882 // is given address a valid Oop? | |
| 883 function isOop(addr) { | |
| 884 addr = any2addr(addr); | |
| 885 var oopHandle = addr.addOffsetToAsOopHandle(0); | |
| 886 return sapkg.utilities.RobustOopDeterminator.oopLooksValid(oopHandle); | |
| 887 } | |
| 888 | |
| 889 // returns description of given pointer as a String | |
| 890 function whatis(addr) { | |
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891 addr = any2addr(addr); |
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892 var ptrLoc = findPtr(addr); |
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893 if (!ptrLoc.isUnknown()) { |
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894 return ptrLoc.toString(); |
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895 } |
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896 |
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897 var vmType = vmTypeof(addr); |
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898 if (vmType != null) { |
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899 return "pointer to " + vmType.name; |
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900 } |
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901 |
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902 var dso = loadObjectContainingPC(addr); |
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903 if (dso == null) { |
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904 return ptrLoc.toString(); |
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905 } |
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906 |
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907 var sym = dso.closestSymbolToPC(addr); |
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908 if (sym != null) { |
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909 return sym.name + '+' + sym.offset; |
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910 } |
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911 |
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912 var s = dso.getName(); |
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913 var p = s.lastIndexOf("/"); |
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914 var base = dso.getBase(); |
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915 return s.substring(p+1, s.length) + '+' + addr.minus(base); |
| 0 | 916 } |