Mercurial > hg > graal-compiler
annotate agent/src/share/classes/sun/jvm/hotspot/jdi/FieldImpl.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 | 37be97a58393 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 2002, 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 |
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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.jdi; | |
| 26 | |
| 27 import com.sun.jdi.*; | |
| 28 import sun.jvm.hotspot.oops.Oop; | |
| 29 import sun.jvm.hotspot.oops.Instance; | |
| 30 import sun.jvm.hotspot.oops.Array; | |
| 31 import sun.jvm.hotspot.oops.InstanceKlass; | |
| 32 import sun.jvm.hotspot.oops.Symbol; | |
| 33 import sun.jvm.hotspot.oops.FieldIdentifier; | |
| 34 | |
| 35 import java.util.List; | |
| 36 import java.util.Iterator; | |
| 37 import java.util.ArrayList; | |
| 38 import java.util.Comparator; | |
| 39 | |
| 40 public class FieldImpl extends TypeComponentImpl implements Field { | |
| 41 private JNITypeParser signatureParser; | |
| 42 private sun.jvm.hotspot.oops.Field saField; | |
| 43 | |
| 44 FieldImpl( VirtualMachine vm, ReferenceTypeImpl declaringType, | |
| 45 sun.jvm.hotspot.oops.Field saField) { | |
| 46 super(vm, declaringType); | |
| 47 this.saField = saField; | |
| 48 getParser(); | |
| 49 } | |
| 50 | |
| 51 private void getParser() { | |
| 52 if (signatureParser == null) { | |
| 53 Symbol sig1 = saField.getSignature(); | |
| 54 signature = sig1.asString(); | |
| 55 signatureParser = new JNITypeParser(signature); | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 sun.jvm.hotspot.oops.Field ref() { | |
| 60 return saField; | |
| 61 } | |
| 62 | |
| 63 // get the value of static field | |
| 64 ValueImpl getValue() { | |
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65 return getValue(saField.getFieldHolder().getJavaMirror()); |
| 0 | 66 } |
| 67 | |
| 68 // get the value of this Field from a specific Oop | |
| 69 ValueImpl getValue(Oop target) { | |
| 70 ValueImpl valueImpl; | |
| 71 sun.jvm.hotspot.oops.Field saField = (sun.jvm.hotspot.oops.Field) ref(); | |
| 72 sun.jvm.hotspot.oops.FieldType ft = saField.getFieldType(); | |
| 73 if (ft.isArray()) { | |
| 74 sun.jvm.hotspot.oops.OopField of = (sun.jvm.hotspot.oops.OopField)saField; | |
| 75 valueImpl = (ArrayReferenceImpl) vm.arrayMirror((Array)of.getValue(target)); | |
| 76 } else if (ft.isObject()) { | |
| 77 sun.jvm.hotspot.oops.OopField of = (sun.jvm.hotspot.oops.OopField)saField; | |
| 78 valueImpl = (ObjectReferenceImpl) vm.objectMirror(of.getValue(target)); | |
| 79 } else if (ft.isByte()) { | |
| 80 sun.jvm.hotspot.oops.ByteField bf = (sun.jvm.hotspot.oops.ByteField)saField; | |
| 81 valueImpl = (ByteValueImpl) vm.mirrorOf(bf.getValue(target)); | |
| 82 } else if (ft.isChar()) { | |
| 83 sun.jvm.hotspot.oops.CharField cf = (sun.jvm.hotspot.oops.CharField)saField; | |
| 84 valueImpl = (CharValueImpl) vm.mirrorOf(cf.getValue(target)); | |
| 85 } else if (ft.isDouble()) { | |
| 86 sun.jvm.hotspot.oops.DoubleField df = (sun.jvm.hotspot.oops.DoubleField)saField; | |
| 87 valueImpl = (DoubleValueImpl) vm.mirrorOf(df.getValue(target)); | |
| 88 } else if (ft.isFloat()) { | |
| 89 sun.jvm.hotspot.oops.FloatField ff = (sun.jvm.hotspot.oops.FloatField)saField; | |
| 90 valueImpl = (FloatValueImpl) vm.mirrorOf(ff.getValue(target)); | |
| 91 } else if (ft.isInt()) { | |
| 92 sun.jvm.hotspot.oops.IntField iif = (sun.jvm.hotspot.oops.IntField)saField; | |
| 93 valueImpl = (IntegerValueImpl) vm.mirrorOf(iif.getValue(target)); | |
| 94 } else if (ft.isLong()) { | |
| 95 sun.jvm.hotspot.oops.LongField lf = (sun.jvm.hotspot.oops.LongField)saField; | |
| 96 valueImpl = (LongValueImpl) vm.mirrorOf(lf.getValue(target)); | |
| 97 } else if (ft.isShort()) { | |
| 98 sun.jvm.hotspot.oops.ShortField sf = (sun.jvm.hotspot.oops.ShortField)saField; | |
| 99 valueImpl = (ShortValueImpl) vm.mirrorOf(sf.getValue(target)); | |
| 100 } else if (ft.isBoolean()) { | |
| 101 sun.jvm.hotspot.oops.BooleanField bf = (sun.jvm.hotspot.oops.BooleanField)saField; | |
| 102 valueImpl = (BooleanValueImpl) vm.mirrorOf(bf.getValue(target)); | |
| 103 } else { | |
| 104 throw new RuntimeException("Should not reach here"); | |
| 105 } | |
| 106 return valueImpl; | |
| 107 } | |
| 108 | |
| 109 public boolean equals(Object obj) { | |
| 110 if ((obj != null) && (obj instanceof FieldImpl)) { | |
| 111 FieldImpl other = (FieldImpl)obj; | |
| 112 return (declaringType().equals(other.declaringType())) && | |
| 113 (ref().equals(other.ref())) && | |
| 114 super.equals(obj); | |
| 115 } else { | |
| 116 return false; | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 public boolean isTransient() { | |
| 121 return saField.isTransient(); | |
| 122 } | |
| 123 | |
| 124 public boolean isVolatile() { | |
| 125 return saField.isVolatile(); | |
| 126 } | |
| 127 | |
| 128 public boolean isEnumConstant() { | |
| 129 return saField.isEnumConstant(); | |
| 130 } | |
| 131 | |
| 132 public Type type() throws ClassNotLoadedException { | |
| 133 // So, we do it just like JDI does by searching the enclosing type. | |
| 134 return findType(signature()); | |
| 135 } | |
| 136 | |
| 137 public String typeName() { //fixme jjh: jpda version creates redundant JNITypeParsers | |
| 138 getParser(); | |
| 139 return signatureParser.typeName(); | |
| 140 } | |
| 141 | |
| 142 public String genericSignature() { | |
| 143 Symbol genSig = saField.getGenericSignature(); | |
| 144 return (genSig != null)? genSig.asString() : null; | |
| 145 } | |
| 146 | |
| 147 // From interface Comparable | |
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148 public int compareTo(Field field) { |
| 0 | 149 ReferenceTypeImpl declaringType = (ReferenceTypeImpl)declaringType(); |
| 150 int rc = declaringType.compareTo(field.declaringType()); | |
| 151 if (rc == 0) { | |
| 152 rc = declaringType.indexOf(this) - | |
| 153 declaringType.indexOf(field); | |
| 154 } | |
| 155 return rc; | |
| 156 } | |
| 157 | |
| 158 // from interface Mirror | |
| 159 public String toString() { | |
| 160 StringBuffer buf = new StringBuffer(); | |
| 161 | |
| 162 buf.append(declaringType().name()); | |
| 163 buf.append('.'); | |
| 164 buf.append(name()); | |
| 165 return buf.toString(); | |
| 166 } | |
| 167 | |
| 168 public String name() { | |
| 169 FieldIdentifier myName = saField.getID(); | |
| 170 return myName.getName(); | |
| 171 } | |
| 172 | |
| 173 // From interface Accessible | |
| 174 public int modifiers() { | |
| 175 return saField.getAccessFlagsObj().getStandardFlags(); | |
| 176 } | |
| 177 | |
| 178 public boolean isPackagePrivate() { | |
| 179 return saField.isPackagePrivate(); | |
| 180 } | |
| 181 | |
| 182 public boolean isPrivate() { | |
| 183 return saField.isPrivate(); | |
| 184 } | |
| 185 | |
| 186 public boolean isProtected() { | |
| 187 return saField.isProtected(); | |
| 188 } | |
| 189 | |
| 190 public boolean isPublic() { | |
| 191 return saField.isPublic(); | |
| 192 } | |
| 193 | |
| 194 public boolean isStatic() { | |
| 195 return saField.isStatic(); | |
| 196 } | |
| 197 | |
| 198 public boolean isFinal() { | |
| 199 return saField.isFinal(); | |
| 200 } | |
| 201 | |
| 202 public boolean isSynthetic() { | |
| 203 return saField.isSynthetic(); | |
| 204 } | |
| 205 | |
| 206 public int hashCode() { | |
| 207 return saField.hashCode(); | |
| 208 } | |
| 209 | |
| 210 | |
| 211 private Type findType(String signature) throws ClassNotLoadedException { | |
| 212 ReferenceTypeImpl enclosing = (ReferenceTypeImpl)declaringType(); | |
| 213 return enclosing.findType(signature); | |
| 214 } | |
| 215 | |
| 216 } |