Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/soql/JSJavaMethod.java @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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6964458: Reimplement class meta-data storage to use native memory
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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 package sun.jvm.hotspot.utilities.soql; | |
| 26 | |
| 27 import java.util.*; | |
| 28 import sun.jvm.hotspot.oops.*; | |
| 29 import sun.jvm.hotspot.runtime.*; | |
| 30 | |
| 31 /** | |
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32 * Wraps a Method* from the debuggee VM. |
| 0 | 33 */ |
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34 public class JSJavaMethod extends JSMetadata { |
| 0 | 35 private static final int FIELD_NAME = 0; |
| 36 private static final int FIELD_SIGNATURE = 1; | |
| 37 private static final int FIELD_HOLDER = 2; | |
| 38 private static final int FIELD_IS_PRIVATE = 3; | |
| 39 private static final int FIELD_IS_PUBLIC = 4; | |
| 40 private static final int FIELD_IS_PROTECTED = 5; | |
| 41 private static final int FIELD_IS_PACKAGE_PRIVATE = 6; | |
| 42 private static final int FIELD_IS_STATIC = 7; | |
| 43 private static final int FIELD_IS_FINAL = 8; | |
| 44 private static final int FIELD_IS_SYNCHRONIZED = 9; | |
| 45 private static final int FIELD_IS_NATIVE = 10; | |
| 46 private static final int FIELD_IS_ABSTRACT = 11; | |
| 47 private static final int FIELD_IS_STRICT = 12; | |
| 48 private static final int FIELD_IS_SYNTHETIC = 13; | |
| 49 private static final int FIELD_IS_OBSOLETE = 14; | |
| 50 private static final int FIELD_UNDEFINED = -1; | |
| 51 | |
| 52 public JSJavaMethod(Method m, JSJavaFactory fac) { | |
| 53 super(m, fac); | |
| 54 } | |
| 55 | |
| 56 public final Method getMethod() { | |
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1552
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changeset
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57 return (Method) getMetadata(); |
| 0 | 58 } |
| 59 | |
| 60 public Object get(String name) { | |
| 61 int fieldID = getFieldID(name); | |
| 62 Method method = getMethod(); | |
| 63 switch (fieldID) { | |
| 64 case FIELD_NAME: | |
| 65 return method.getName().asString(); | |
| 66 case FIELD_SIGNATURE: | |
| 67 return method.getSignature().asString(); | |
| 68 case FIELD_HOLDER: | |
| 69 return getMethodHolder(); | |
| 70 case FIELD_IS_PRIVATE: | |
| 71 return Boolean.valueOf(method.isPrivate()); | |
| 72 case FIELD_IS_PUBLIC: | |
| 73 return Boolean.valueOf(method.isPublic()); | |
| 74 case FIELD_IS_PROTECTED: | |
| 75 return Boolean.valueOf(method.isProtected()); | |
| 76 case FIELD_IS_PACKAGE_PRIVATE: | |
| 77 return Boolean.valueOf(method.isPackagePrivate()); | |
| 78 case FIELD_IS_STATIC: | |
| 79 return Boolean.valueOf(method.isStatic()); | |
| 80 case FIELD_IS_FINAL: | |
| 81 return Boolean.valueOf(method.isFinal()); | |
| 82 case FIELD_IS_SYNCHRONIZED: | |
| 83 return Boolean.valueOf(method.isSynchronized()); | |
| 84 case FIELD_IS_NATIVE: | |
| 85 return Boolean.valueOf(method.isNative()); | |
| 86 case FIELD_IS_ABSTRACT: | |
| 87 return Boolean.valueOf(method.isAbstract()); | |
| 88 case FIELD_IS_STRICT: | |
| 89 return Boolean.valueOf(method.isStrict()); | |
| 90 case FIELD_IS_SYNTHETIC: | |
| 91 return Boolean.valueOf(method.isSynthetic()); | |
| 92 case FIELD_IS_OBSOLETE: | |
| 93 return Boolean.valueOf(method.isObsolete()); | |
| 94 case FIELD_UNDEFINED: | |
| 95 default: | |
| 96 return super.get(name); | |
| 97 } | |
| 98 } | |
| 99 | |
| 100 public Object[] getIds() { | |
| 101 Object[] fieldNames = fields.keySet().toArray(); | |
| 102 Object[] superFields = super.getIds(); | |
| 103 Object[] res = new Object[fieldNames.length + superFields.length]; | |
| 104 System.arraycopy(fieldNames, 0, res, 0, fieldNames.length); | |
| 105 System.arraycopy(superFields, 0, res, fieldNames.length, superFields.length); | |
| 106 return res; | |
| 107 } | |
| 108 | |
| 109 public boolean has(String name) { | |
| 110 if (getFieldID(name) != FIELD_UNDEFINED) { | |
| 111 return true; | |
| 112 } else { | |
| 113 return super.has(name); | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 public void put(String name, Object value) { | |
| 118 if (getFieldID(name) != FIELD_UNDEFINED) { | |
| 119 return; | |
| 120 } else { | |
| 121 super.put(name, value); | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 public String toString() { | |
| 126 StringBuffer buf = new StringBuffer(); | |
| 127 buf.append("Method "); | |
| 128 buf.append(getMethod().externalNameAndSignature()); | |
| 129 return buf.toString(); | |
| 130 } | |
| 131 | |
| 132 //-- Internals only below this point | |
| 133 private JSJavaObject getMethodHolder() { | |
| 134 Klass k = getMethod().getMethodHolder(); | |
| 135 return factory.newJSJavaKlass(k).getJSJavaClass(); | |
| 136 } | |
| 137 | |
| 138 private static Map fields = new HashMap(); | |
| 139 private static void addField(String name, int fieldId) { | |
| 140 fields.put(name, new Integer(fieldId)); | |
| 141 } | |
| 142 | |
| 143 private static int getFieldID(String name) { | |
| 144 Integer res = (Integer) fields.get(name); | |
| 145 return (res != null)? res.intValue() : FIELD_UNDEFINED; | |
| 146 } | |
| 147 | |
| 148 static { | |
| 149 addField("name", FIELD_NAME); | |
| 150 addField("signature", FIELD_SIGNATURE); | |
| 151 addField("holder", FIELD_HOLDER); | |
| 152 addField("isPrivate", FIELD_IS_PRIVATE); | |
| 153 addField("isPublic", FIELD_IS_PUBLIC); | |
| 154 addField("isProtected", FIELD_IS_PROTECTED); | |
| 155 addField("isPackagePrivate", FIELD_IS_PACKAGE_PRIVATE); | |
| 156 addField("isStatic", FIELD_IS_STATIC); | |
| 157 addField("isFinal", FIELD_IS_FINAL); | |
| 158 addField("isSynchronized", FIELD_IS_SYNCHRONIZED); | |
| 159 addField("isNative", FIELD_IS_NATIVE); | |
| 160 addField("isAbstract", FIELD_IS_ABSTRACT); | |
| 161 addField("isStrict", FIELD_IS_STRICT); | |
| 162 addField("isSynthetic", FIELD_IS_SYNTHETIC); | |
| 163 addField("isObsolete", FIELD_IS_OBSOLETE); | |
| 164 } | |
| 165 } |