Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaHeap.java @ 17524:89152779163c
Merge with jdk8-b132
| author | Gilles Duboscq <duboscq@ssw.jku.at> |
|---|---|
| date | Wed, 15 Oct 2014 11:59:32 +0200 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
2 * Copyright (c) 2004, 2007, 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:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
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:
0
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.utilities.soql; | |
| 26 | |
| 27 import java.util.*; | |
| 28 import javax.script.ScriptException; | |
| 29 import sun.jvm.hotspot.debugger.*; | |
| 30 import sun.jvm.hotspot.memory.*; | |
| 31 import sun.jvm.hotspot.oops.*; | |
| 32 import sun.jvm.hotspot.runtime.*; | |
| 33 import sun.jvm.hotspot.utilities.*; | |
| 34 import java.lang.reflect.Method; | |
| 35 | |
| 36 public class JSJavaHeap extends DefaultScriptObject { | |
| 37 private static final int FIELD_CAPACITY = 0; | |
| 38 private static final int FIELD_USED = 1; | |
| 39 private static final int FIELD_FOR_EACH_OBJECT = 2; | |
| 40 private static final int FIELD_FOR_EACH_CLASS = 3; | |
| 41 | |
| 42 private static final int FIELD_UNDEFINED = -1; | |
| 43 | |
| 44 public JSJavaHeap(JSJavaFactory fac) { | |
| 45 this.factory = fac; | |
| 46 } | |
| 47 | |
| 48 public Object get(String name) { | |
| 49 int fieldID = getFieldID(name); | |
| 50 switch (fieldID) { | |
| 51 case FIELD_CAPACITY: | |
| 52 return new Long(getCapacity()); | |
| 53 case FIELD_USED: | |
| 54 return new Long(getUsed()); | |
| 55 case FIELD_FOR_EACH_OBJECT: | |
| 56 return new MethodCallable(this, forEachObjectMethod); | |
| 57 case FIELD_FOR_EACH_CLASS: | |
| 58 return new MethodCallable(this, forEachClassMethod); | |
| 59 case FIELD_UNDEFINED: | |
| 60 default: | |
| 61 return super.get(name); | |
| 62 } | |
| 63 } | |
| 64 | |
| 65 public Object[] getIds() { | |
| 66 Object[] superIds = super.getIds(); | |
| 67 Object[] tmp = fields.keySet().toArray(); | |
| 68 Object[] res = new Object[superIds.length + tmp.length]; | |
| 69 System.arraycopy(tmp, 0, res, 0, tmp.length); | |
| 70 System.arraycopy(superIds, 0, res, tmp.length, superIds.length); | |
| 71 return res; | |
| 72 } | |
| 73 | |
| 74 public boolean has(String name) { | |
| 75 if (getFieldID(name) != FIELD_UNDEFINED) { | |
| 76 return true; | |
| 77 } else { | |
| 78 return super.has(name); | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 public void put(String name, Object value) { | |
| 83 if (getFieldID(name) == FIELD_UNDEFINED) { | |
| 84 super.put(name, value); | |
| 85 } | |
| 86 } | |
| 87 | |
| 88 public void forEachObject(Object[] args) { | |
| 89 boolean subtypes = true; | |
| 90 Klass kls = null; | |
| 91 Callable func = null; | |
| 92 switch (args.length) { | |
| 93 case 3: { | |
| 94 Object b = args[2]; | |
| 95 if (b != null && b instanceof Boolean) { | |
| 96 subtypes = ((Boolean)b).booleanValue(); | |
| 97 } | |
| 98 } | |
| 99 case 2: { | |
| 100 Object k = args[1]; | |
| 101 if (k == null) return; | |
| 102 if (k instanceof JSJavaKlass) { | |
| 103 kls = ((JSJavaKlass)k).getKlass(); | |
| 104 } else if (k instanceof String) { | |
| 105 kls = SystemDictionaryHelper.findInstanceKlass((String)k); | |
| 106 if (kls == null) return; | |
| 107 } | |
| 108 } | |
| 109 case 1: { | |
| 110 Object f = args[0]; | |
| 111 if (f != null && f instanceof Callable) { | |
| 112 func = (Callable) f; | |
| 113 } else { | |
| 114 // unknown target - just return | |
| 115 return ; | |
| 116 } | |
| 117 } | |
| 118 break; | |
| 119 | |
| 120 default: | |
| 121 return; | |
| 122 } | |
| 123 | |
| 124 final Callable finalFunc = func; | |
| 125 HeapVisitor visitor = new DefaultHeapVisitor() { | |
| 126 public boolean doObj(Oop oop) { | |
| 127 JSJavaObject jo = factory.newJSJavaObject(oop); | |
| 128 if (jo != null) { | |
| 129 try { | |
| 130 finalFunc.call(new Object[] { jo }); | |
| 131 } catch (ScriptException exp) { | |
| 132 throw new RuntimeException(exp); | |
| 133 } | |
| 134 } | |
| 135 return false; | |
| 136 } | |
| 137 }; | |
| 138 ObjectHeap heap = VM.getVM().getObjectHeap(); | |
| 139 if (kls == null) { | |
| 140 kls = SystemDictionaryHelper.findInstanceKlass("java.lang.Object"); | |
| 141 } | |
| 142 heap.iterateObjectsOfKlass(visitor, kls, subtypes); | |
| 143 } | |
| 144 | |
| 145 public void forEachClass(Object[] args) { | |
| 146 boolean withLoader = false; | |
| 147 Callable func = null; | |
| 148 switch (args.length) { | |
| 149 case 2: { | |
| 150 Object b = args[1]; | |
| 151 if (b instanceof Boolean) { | |
| 152 withLoader = ((Boolean)b).booleanValue(); | |
| 153 } | |
| 154 } | |
| 155 case 1: { | |
| 156 Object f = args[0]; | |
| 157 if (f instanceof Callable) { | |
| 158 func = (Callable) f; | |
| 159 } else { | |
| 160 return; | |
| 161 } | |
| 162 } | |
| 163 break; | |
| 164 default: | |
| 165 return; | |
| 166 } | |
| 167 | |
| 168 final Callable finalFunc = func; | |
| 169 SystemDictionary sysDict = VM.getVM().getSystemDictionary(); | |
| 170 if (withLoader) { | |
| 171 sysDict.classesDo(new SystemDictionary.ClassAndLoaderVisitor() { | |
| 172 public void visit(Klass kls, Oop loader) { | |
| 173 JSJavaKlass jk = factory.newJSJavaKlass(kls); | |
| 174 if (jk == null) { | |
| 175 return; | |
| 176 } | |
| 177 JSJavaObject k = jk.getJSJavaClass(); | |
| 178 JSJavaObject l = factory.newJSJavaObject(loader); | |
| 179 if (k != null) { | |
| 180 if (k != null) { | |
| 181 try { | |
| 182 finalFunc.call(new Object[] { k, l }); | |
| 183 } catch (ScriptException exp) { | |
| 184 throw new RuntimeException(exp); | |
| 185 } | |
| 186 } | |
| 187 } | |
| 188 } | |
| 189 }); | |
| 190 | |
| 191 } else { | |
| 192 sysDict.classesDo(new SystemDictionary.ClassVisitor() { | |
| 193 public void visit(Klass kls) { | |
| 194 JSJavaKlass jk = factory.newJSJavaKlass(kls); | |
| 195 if (jk == null) { | |
| 196 return; | |
| 197 } | |
| 198 JSJavaClass k = jk.getJSJavaClass(); | |
| 199 if (k != null) { | |
| 200 if (k != null) { | |
| 201 try { | |
| 202 finalFunc.call(new Object[] { k }); | |
| 203 } catch (ScriptException exp) { | |
| 204 throw new RuntimeException(exp); | |
| 205 } | |
| 206 } | |
| 207 } | |
| 208 } | |
| 209 }); | |
| 210 } | |
| 211 } | |
| 212 | |
| 213 public String toString() { | |
| 214 StringBuffer buf = new StringBuffer(); | |
| 215 buf.append("Java Heap (capacity="); | |
| 216 buf.append(getCapacity()); | |
| 217 buf.append(", used="); | |
| 218 buf.append(getUsed()); | |
| 219 buf.append(")"); | |
| 220 return buf.toString(); | |
| 221 } | |
| 222 | |
| 223 //-- Internals only below this point | |
| 224 private static Map fields = new HashMap(); | |
| 225 private static void addField(String name, int fieldId) { | |
| 226 fields.put(name, new Integer(fieldId)); | |
| 227 } | |
| 228 | |
| 229 private static int getFieldID(String name) { | |
| 230 Integer res = (Integer) fields.get(name); | |
| 231 return (res != null)? res.intValue() : FIELD_UNDEFINED; | |
| 232 } | |
| 233 | |
| 234 static { | |
| 235 addField("capacity", FIELD_CAPACITY); | |
| 236 addField("used", FIELD_USED); | |
| 237 addField("forEachObject", FIELD_FOR_EACH_OBJECT); | |
| 238 addField("forEachClass", FIELD_FOR_EACH_CLASS); | |
| 239 try { | |
| 240 Class myClass = JSJavaHeap.class; | |
| 241 forEachObjectMethod = myClass.getMethod("forEachObject", | |
| 242 new Class[] { Object[].class }); | |
| 243 forEachClassMethod = myClass.getMethod("forEachClass", | |
| 244 new Class[] {Object[].class }); | |
| 245 } catch (RuntimeException re) { | |
| 246 throw re; | |
| 247 } catch (Exception exp) { | |
| 248 throw new RuntimeException(exp); | |
| 249 } | |
| 250 } | |
| 251 | |
| 252 private long getCapacity() { | |
| 253 return VM.getVM().getUniverse().heap().capacity(); | |
| 254 } | |
| 255 | |
| 256 private long getUsed() { | |
| 257 return VM.getVM().getUniverse().heap().used(); | |
| 258 } | |
| 259 | |
| 260 private final JSJavaFactory factory; | |
| 261 private static Method forEachObjectMethod; | |
| 262 private static Method forEachClassMethod; | |
| 263 } |