Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/ui/tree/CTypeTreeNodeAdapter.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.ui.tree; | |
| 26 | |
| 27 import java.util.*; | |
| 28 import sun.jvm.hotspot.oops.FieldIdentifier; | |
| 29 import sun.jvm.hotspot.oops.Oop; | |
| 30 import sun.jvm.hotspot.oops.UnknownOopException; | |
| 31 import sun.jvm.hotspot.debugger.*; | |
| 32 import sun.jvm.hotspot.runtime.*; | |
| 33 import sun.jvm.hotspot.types.*; | |
| 34 import sun.jvm.hotspot.utilities.CStringUtilities; | |
| 35 | |
| 36 /** Encapsulates an arbitrary type value in a tree handled by SimpleTreeModel */ | |
| 37 | |
| 38 public class CTypeTreeNodeAdapter extends FieldTreeNodeAdapter { | |
| 39 final private Address addr; | |
| 40 final private Type type; | |
| 41 private CTypeFieldIdentifier[] fields = null; | |
| 42 | |
| 43 private void collectFields(Type type, ArrayList list, boolean statics, boolean recurse) { | |
| 44 Type supertype = type.getSuperclass(); | |
| 45 if (supertype != null && recurse) { | |
| 46 collectFields(supertype, list, statics, recurse); | |
| 47 } | |
| 48 Iterator i = type.getFields(); | |
| 49 while (i.hasNext()) { | |
| 50 Field f = (Field) i.next(); | |
| 51 if (f.isStatic() == statics) { | |
| 52 list.add(new CTypeFieldIdentifier(type, f)); | |
| 53 } | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 | |
| 58 private CTypeFieldIdentifier[] getFields() { | |
| 59 if (fields == null) { | |
| 60 ArrayList f = new ArrayList(); | |
| 61 collectFields(type, f, false, true); | |
| 62 fields = (CTypeFieldIdentifier[]) f.toArray(new CTypeFieldIdentifier[0]); | |
| 63 } | |
| 64 return fields; | |
| 65 } | |
| 66 | |
| 67 static class CTypeFieldIdentifier extends FieldIdentifier { | |
| 68 final private Field field; | |
| 69 final private Type holder; | |
| 70 | |
| 71 CTypeFieldIdentifier(Type t, Field f) { | |
| 72 holder = t; | |
| 73 field = f; | |
| 74 } | |
| 75 | |
| 76 public Field getField() { | |
| 77 return field; | |
| 78 } | |
| 79 | |
| 80 public String getName() { | |
| 81 return field.getType().getName() + " " + holder.getName() + "::" + field.getName(); | |
| 82 } | |
| 83 } | |
| 84 | |
| 85 | |
| 86 public CTypeTreeNodeAdapter(Address a, Type t, FieldIdentifier id) { | |
| 87 this(a, t, id, false); | |
| 88 } | |
| 89 | |
| 90 public CTypeTreeNodeAdapter(Address a, Type t, FieldIdentifier id, boolean treeTableMode) { | |
| 91 super(id, treeTableMode); | |
| 92 type = t; | |
| 93 addr = a; | |
| 94 } | |
| 95 | |
| 96 public CTypeTreeNodeAdapter(Type t) { | |
| 97 super(null, false); | |
| 98 type = t; | |
| 99 addr = null; | |
| 100 ArrayList statics = new ArrayList(); | |
| 101 collectFields(type, statics, true, false); | |
| 102 fields = (CTypeFieldIdentifier[])statics.toArray(new CTypeFieldIdentifier[0]); | |
| 103 } | |
| 104 | |
| 105 public CTypeTreeNodeAdapter(Iterator types) { | |
| 106 super(null, false); | |
| 107 addr = null; | |
| 108 type = null; | |
| 109 ArrayList statics = new ArrayList(); | |
| 110 while (types.hasNext()) { | |
| 111 collectFields((Type)types.next(), statics, true, false); | |
| 112 } | |
| 113 fields = (CTypeFieldIdentifier[])statics.toArray(new CTypeFieldIdentifier[0]); | |
| 114 } | |
| 115 | |
| 116 public int getChildCount() { | |
| 117 return getFields().length; | |
| 118 } | |
| 119 | |
| 120 public SimpleTreeNode getChild(int index) { | |
| 121 CTypeFieldIdentifier cf = getFields()[index]; | |
| 122 Field f = cf.getField(); | |
| 123 Type t = f.getType(); | |
| 124 try { | |
| 125 if (t.isOopType()) { | |
| 126 OopHandle handle; | |
| 127 if (f.isStatic()) { | |
| 128 handle = f.getOopHandle(); | |
| 129 } else { | |
| 130 handle = f.getOopHandle(addr); | |
| 131 } | |
| 132 try { | |
| 133 Oop oop = VM.getVM().getObjectHeap().newOop(handle); | |
| 134 return new OopTreeNodeAdapter(oop, cf, getTreeTableMode()); | |
| 135 } catch (AddressException e) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1552
diff
changeset
|
136 return new BadAddressTreeNodeAdapter(handle, |
| 0 | 137 new CTypeFieldIdentifier(type, f), |
| 138 getTreeTableMode()); | |
| 139 } catch (UnknownOopException e) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
1552
diff
changeset
|
140 return new BadAddressTreeNodeAdapter(handle, |
| 0 | 141 new CTypeFieldIdentifier(type, f), |
| 142 getTreeTableMode()); | |
| 143 } | |
| 144 } else if (t.isCIntegerType()) { | |
| 145 long value = 0; | |
| 146 if (f.isStatic()) { | |
| 147 value = f.getCInteger((CIntegerType)t); | |
| 148 } else { | |
| 149 value = f.getCInteger(addr, (CIntegerType)t); | |
| 150 } | |
| 151 return new LongTreeNodeAdapter(value, cf, getTreeTableMode()); | |
| 152 } else if (t.isJavaPrimitiveType()) { | |
| 153 boolean isStatic = f.isStatic(); | |
| 154 if (f instanceof JByteField) { | |
| 155 long value = isStatic? f.getJByte() : f.getJByte(addr); | |
| 156 return new LongTreeNodeAdapter(value, cf, getTreeTableMode()); | |
| 157 } else if (f instanceof JShortField) { | |
| 158 long value = isStatic? f.getJShort() : f.getJShort(addr); | |
| 159 return new LongTreeNodeAdapter(value, cf, getTreeTableMode()); | |
| 160 } else if (f instanceof JIntField) { | |
| 161 long value = isStatic? f.getJInt() : f.getJInt(addr); | |
| 162 return new LongTreeNodeAdapter(value, cf, getTreeTableMode()); | |
| 163 } else if (f instanceof JLongField) { | |
| 164 long value = isStatic? f.getJLong() : f.getJLong(addr); | |
| 165 return new LongTreeNodeAdapter(value, cf, getTreeTableMode()); | |
| 166 } else if (f instanceof JCharField) { | |
| 167 char value = isStatic? f.getJChar() : f.getJChar(addr); | |
| 168 return new CharTreeNodeAdapter(value, cf, getTreeTableMode()); | |
| 169 } else if (f instanceof JBooleanField) { | |
| 170 boolean value = isStatic? f.getJBoolean() : f.getJBoolean(addr); | |
| 171 return new BooleanTreeNodeAdapter(value, cf, getTreeTableMode()); | |
| 172 } else if (f instanceof JFloatField) { | |
| 173 float value = isStatic? f.getJFloat() : f.getJFloat(addr); | |
| 174 return new DoubleTreeNodeAdapter(value, cf, getTreeTableMode()); | |
| 175 } else if (f instanceof JDoubleField) { | |
| 176 double value = isStatic? f.getJDouble() : f.getJDouble(addr); | |
| 177 return new DoubleTreeNodeAdapter(value, cf, getTreeTableMode()); | |
| 178 } else { | |
| 179 throw new RuntimeException("unhandled type: " + t.getName()); | |
| 180 } | |
| 181 } else if (t.isPointerType()) { | |
| 182 Address ptr; | |
| 183 if (f.isStatic()) { | |
| 184 ptr = f.getAddress(); | |
| 185 } else { | |
| 186 ptr = f.getAddress(addr); | |
| 187 } | |
| 188 | |
| 189 if (t.isCStringType()) { | |
| 190 return new CStringTreeNodeAdapter(CStringUtilities.getString(ptr), cf); | |
| 191 } | |
| 192 | |
| 193 return new CTypeTreeNodeAdapter(ptr, ((PointerType) t).getTargetType(), cf, getTreeTableMode()); | |
| 194 } else { | |
| 195 if (f.isStatic()) { | |
| 196 return new CTypeTreeNodeAdapter(f.getStaticFieldAddress(), f.getType(), | |
| 197 cf, getTreeTableMode()); | |
| 198 } else { | |
| 199 return new CTypeTreeNodeAdapter(addr.addOffsetTo(f.getOffset()), f.getType(), | |
| 200 cf, getTreeTableMode()); | |
| 201 } | |
| 202 } | |
| 203 } catch (AddressException e) { | |
| 204 return new BadAddressTreeNodeAdapter(e.getAddress(), | |
| 205 new CTypeFieldIdentifier(type, f), | |
| 206 getTreeTableMode()); | |
| 207 } | |
| 208 } | |
| 209 | |
| 210 public boolean isLeaf() { | |
| 211 return getFields().length == 0; | |
| 212 } | |
| 213 | |
| 214 public int getIndexOfChild(SimpleTreeNode child) { | |
| 215 CTypeFieldIdentifier id = (CTypeFieldIdentifier)((FieldTreeNodeAdapter) child).getID(); | |
| 216 CTypeFieldIdentifier[] f = getFields(); | |
| 217 for (int i = 0; i < f.length; i++) { | |
| 218 if (id == f[i]) { | |
| 219 return i; | |
| 220 } | |
| 221 } | |
| 222 return -1; | |
| 223 } | |
| 224 | |
| 225 public String getValue() { | |
| 226 if (type != null) { | |
| 227 return type.getName() + " @ " + addr; | |
| 228 } else { | |
| 229 return "<statics>"; | |
| 230 } | |
| 231 } | |
| 232 } |