Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaFactoryImpl.java @ 2411:63997f575155
7031614: jmap -permstat fails with java.lang.InternalError in sun.jvm.hotspot.oops.OopField.getValue
Reviewed-by: kvn, dcubed
| author | never |
|---|---|
| date | Wed, 30 Mar 2011 07:47:19 -0700 |
| parents | c18cbe5936b8 |
| children | da91efe96a93 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
2411
63997f575155
7031614: jmap -permstat fails with java.lang.InternalError in sun.jvm.hotspot.oops.OopField.getValue
never
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2 * Copyright (c) 2004, 2011, 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 |
|
c18cbe5936b8
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20 * or visit www.oracle.com if you need additional information or have any |
|
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.utilities.soql; | |
| 26 | |
| 27 import java.lang.ref.*; | |
| 28 import java.util.*; | |
| 29 import sun.jvm.hotspot.oops.*; | |
| 30 import sun.jvm.hotspot.runtime.*; | |
| 31 import sun.jvm.hotspot.utilities.*; | |
| 32 | |
| 33 public class JSJavaFactoryImpl implements JSJavaFactory { | |
| 34 public JSJavaObject newJSJavaObject(Oop oop) { | |
| 35 if (oop == null) return null; | |
| 36 SoftReference sref = (SoftReference) om.get(oop); | |
| 37 JSJavaObject res = (sref != null)? (JSJavaObject) sref.get() : null; | |
| 38 if (res == null) { | |
| 39 if (oop instanceof TypeArray) { | |
| 40 res = new JSJavaTypeArray((TypeArray)oop, this); | |
| 41 } else if (oop instanceof ObjArray) { | |
| 42 res = new JSJavaObjArray((ObjArray)oop, this); | |
| 43 } else if (oop instanceof Instance) { | |
| 44 res = newJavaInstance((Instance) oop); | |
| 45 } else if (oop instanceof Method) { | |
| 46 res = new JSJavaMethod((Method) oop, this); | |
| 47 } | |
| 48 } | |
| 49 if (res != null) { | |
| 50 om.put(oop, new SoftReference(res)); | |
| 51 } | |
| 52 return res; | |
| 53 } | |
| 54 | |
| 55 public JSJavaKlass newJSJavaKlass(Klass klass) { | |
| 56 JSJavaKlass res = null; | |
| 57 if (klass instanceof InstanceKlass) { | |
| 58 res = new JSJavaInstanceKlass((InstanceKlass) klass, this); | |
| 59 } else if (klass instanceof ObjArrayKlass) { | |
| 60 res = new JSJavaObjArrayKlass((ObjArrayKlass) klass, this); | |
| 61 } else if (klass instanceof TypeArrayKlass) { | |
| 62 res = new JSJavaTypeArrayKlass((TypeArrayKlass) klass, this); | |
| 63 } | |
| 64 if (res != null) { | |
| 65 om.put(klass, new SoftReference(res)); | |
| 66 } | |
| 67 return res; | |
| 68 } | |
| 69 | |
| 70 public JSJavaField newJSJavaField(Field field) { | |
| 71 if (field == null) return null; | |
| 72 return new JSJavaField(field, this); | |
| 73 } | |
| 74 | |
| 75 public JSJavaThread newJSJavaThread(JavaThread jthread) { | |
| 76 if (jthread == null) return null; | |
| 77 return new JSJavaThread(jthread, this); | |
| 78 } | |
| 79 | |
| 80 public JSJavaFrame newJSJavaFrame(JavaVFrame jvf) { | |
| 81 if (jvf == null) return null; | |
| 82 return new JSJavaFrame(jvf, this); | |
| 83 } | |
| 84 | |
| 85 public JSList newJSList(List list) { | |
| 86 if (list == null) return null; | |
| 87 return new JSList(list, this); | |
| 88 } | |
| 89 | |
| 90 public JSMap newJSMap(Map map) { | |
| 91 if (map == null) return null; | |
| 92 return new JSMap(map, this); | |
| 93 } | |
| 94 | |
| 95 public Object newJSJavaWrapper(Object item) { | |
| 96 if (item == null) return null; | |
| 97 if (item instanceof Oop) { | |
| 98 return newJSJavaObject((Oop) item); | |
| 99 } else if (item instanceof Field) { | |
| 100 return newJSJavaField((Field) item); | |
| 101 } else if (item instanceof JavaThread) { | |
| 102 return newJSJavaThread((JavaThread) item); | |
| 103 } else if (item instanceof JavaVFrame) { | |
| 104 return newJSJavaFrame((JavaVFrame) item); | |
| 105 } else if (item instanceof List) { | |
| 106 return newJSList((List) item); | |
| 107 } else if (item instanceof Map) { | |
| 108 return newJSMap((Map) item); | |
| 109 } else { | |
| 110 // not-a-special-type, just return the input item | |
| 111 return item; | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 public JSJavaHeap newJSJavaHeap() { | |
| 116 return new JSJavaHeap(this); | |
| 117 } | |
| 118 | |
| 119 public JSJavaVM newJSJavaVM() { | |
| 120 return new JSJavaVM(this); | |
| 121 } | |
| 122 | |
| 123 // -- Internals only below this point | |
| 124 private Symbol javaLangString() { | |
| 125 if (javaLangString == null) { | |
| 126 javaLangString = getSymbol("java/lang/String"); | |
| 127 } | |
| 128 return javaLangString; | |
| 129 } | |
| 130 | |
| 131 private Symbol javaLangThread() { | |
| 132 if (javaLangThread == null) { | |
| 133 javaLangThread = getSymbol("java/lang/Thread"); | |
| 134 } | |
| 135 return javaLangThread; | |
| 136 } | |
| 137 | |
| 138 private Symbol javaLangClass() { | |
| 139 if (javaLangClass == null) { | |
| 140 javaLangClass = getSymbol("java/lang/Class"); | |
| 141 } | |
| 142 return javaLangClass; | |
| 143 } | |
| 144 | |
| 145 private Symbol getSymbol(String str) { | |
| 146 return VM.getVM().getSymbolTable().probe(str); | |
| 147 } | |
| 148 | |
| 149 private JSJavaObject newJavaInstance(Instance instance) { | |
| 150 // look for well-known classes | |
| 151 Symbol className = instance.getKlass().getName(); | |
| 152 if (Assert.ASSERTS_ENABLED) { | |
| 153 Assert.that(className != null, "Null class name"); | |
| 154 } | |
| 155 JSJavaObject res = null; | |
| 156 if (className.equals(javaLangString())) { | |
| 157 res = new JSJavaString(instance, this); | |
| 158 } else if (className.equals(javaLangThread())) { | |
| 159 res = new JSJavaThread(instance, this); | |
| 160 } else if (className.equals(javaLangClass())) { | |
|
2411
63997f575155
7031614: jmap -permstat fails with java.lang.InternalError in sun.jvm.hotspot.oops.OopField.getValue
never
parents:
1552
diff
changeset
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161 Klass reflectedType = java_lang_Class.asKlass(instance); |
| 0 | 162 if (reflectedType != null) { |
| 163 JSJavaKlass jk = newJSJavaKlass(reflectedType); | |
| 164 // we don't support mirrors of VM internal Klasses | |
| 165 if (jk == null) return null; | |
| 166 res = new JSJavaClass(instance, jk, this); | |
| 167 } else { | |
| 168 // for primitive Classes, the reflected type is null | |
| 169 return null; | |
| 170 } | |
| 171 } else { | |
| 172 // not a well-known class. But the base class may be | |
| 173 // one of the known classes. | |
| 174 Klass kls = instance.getKlass().getSuper(); | |
| 175 while (kls != null) { | |
| 176 className = kls.getName(); | |
| 177 // java.lang.Class and java.lang.String are final classes | |
| 178 if (className.equals(javaLangThread())) { | |
| 179 res = new JSJavaThread(instance, this); | |
| 180 break; | |
| 181 } | |
| 182 kls = kls.getSuper(); | |
| 183 } | |
| 184 } | |
| 185 if (res == null) { | |
| 186 res = new JSJavaInstance(instance, this); | |
| 187 } | |
| 188 return res; | |
| 189 } | |
| 190 | |
| 191 // Map<Oop, SoftReference<JSJavaObject>> | |
| 192 private Map om = new HashMap(); | |
| 193 private Symbol javaLangString; | |
| 194 private Symbol javaLangThread; | |
| 195 private Symbol javaLangClass; | |
| 196 } |