Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/ui/tree/OopTreeNodeAdapter.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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2 * Copyright (c) 2000, 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.io.*; | |
| 28 import sun.jvm.hotspot.oops.*; | |
| 29 import sun.jvm.hotspot.debugger.*; | |
| 30 import sun.jvm.hotspot.runtime.*; | |
| 31 | |
| 32 /** An adapter class which allows oops to be displayed in a tree via | |
| 33 the SimpleTreeNode interface. FIXME: must attach this to some sort | |
| 34 of policy object which determines how to display names and whether | |
| 35 VM fields should be shown. (Must also fix oop visitation mechanism | |
| 36 in oops package.) */ | |
| 37 | |
| 38 public class OopTreeNodeAdapter extends FieldTreeNodeAdapter { | |
| 39 private Oop oop; | |
| 40 | |
| 41 /** The oop may be null (for oop fields of oops which are null); the | |
| 42 FieldIdentifier may also be null (for the root node). | |
| 43 treeTableMode defaults to false. */ | |
| 44 public OopTreeNodeAdapter(Oop oop, FieldIdentifier id) { | |
| 45 this(oop, id, false); | |
| 46 } | |
| 47 | |
| 48 /** The oop may be null (for oop fields of oops which are null); the | |
| 49 FieldIdentifier may also be null (for the root node). */ | |
| 50 public OopTreeNodeAdapter(Oop oop, FieldIdentifier id, boolean treeTableMode) { | |
| 51 super(id, treeTableMode); | |
| 52 this.oop = oop; | |
| 53 } | |
| 54 | |
| 55 public Oop getOop() { | |
| 56 return oop; | |
| 57 } | |
| 58 | |
| 59 public int getChildCount() { | |
| 60 if (oop == null) { | |
| 61 return 0; | |
| 62 } | |
| 63 | |
| 64 Counter c = new Counter(); | |
| 65 oop.iterate(c, true); | |
| 66 return c.getNumFields() + (VM.getVM().getRevPtrs() == null ? 0 : 1); | |
| 67 } | |
| 68 | |
| 69 public SimpleTreeNode getChild(int index) { | |
| 70 if (oop == null) { | |
| 71 return null; | |
| 72 } | |
| 73 if (VM.getVM().getRevPtrs() != null) { | |
| 74 if (index == 0) { | |
| 75 return new RevPtrsTreeNodeAdapter(oop, getTreeTableMode()); | |
| 76 } else { | |
| 77 index -= 1; | |
| 78 } | |
| 79 } | |
| 80 | |
| 81 Fetcher f = new Fetcher(index); | |
| 82 oop.iterate(f, true); | |
| 83 return f.getChild(); | |
| 84 } | |
| 85 | |
| 86 public boolean isLeaf() { | |
| 87 return (oop == null); | |
| 88 } | |
| 89 | |
| 90 public int getIndexOfChild(SimpleTreeNode child) { | |
| 91 if (child instanceof RevPtrsTreeNodeAdapter) { | |
| 92 // assert(VM.getVM().getRevPtrs() != null, "Only created from revptrs"); | |
| 93 return 0; | |
| 94 } | |
| 95 FieldIdentifier id = ((FieldTreeNodeAdapter) child).getID(); | |
| 96 Finder f = new Finder(id); | |
| 97 oop.iterate(f, true); | |
| 98 return f.getIndex() + (VM.getVM().getRevPtrs() == null ? 0 : 1); | |
| 99 } | |
| 100 | |
| 101 public String getValue() { | |
| 102 if (oop != null) { | |
| 103 // FIXME: choose style of printing depending on whether we're | |
| 104 // displaying VM fields? Want to make Java objects look like | |
| 105 // Java objects. | |
| 106 ByteArrayOutputStream bos = new ByteArrayOutputStream(); | |
| 107 Oop.printOopValueOn(oop, new PrintStream(bos)); | |
| 108 return bos.toString(); | |
| 109 } | |
| 110 return "null"; | |
| 111 } | |
| 112 | |
| 113 /** Should be applied to one oop at a time, then have the number of | |
| 114 fields fetched. FIXME: want this to distinguish between VM and | |
| 115 non-VM fields. */ | |
| 116 static class Counter extends DefaultOopVisitor { | |
| 117 private int numFields; | |
| 118 | |
| 119 public int getNumFields() { | |
| 120 return numFields; | |
| 121 } | |
| 122 | |
| 123 public void prologue() { | |
| 124 numFields = 0; | |
| 125 } | |
| 126 | |
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127 public void doMetadata(MetadataField field, boolean isVMField) { ++numFields; } |
| 0 | 128 public void doOop(OopField field, boolean isVMField) { ++numFields; } |
| 129 public void doByte(ByteField field, boolean isVMField) { ++numFields; } | |
| 130 public void doChar(CharField field, boolean isVMField) { ++numFields; } | |
| 131 public void doBoolean(BooleanField field, boolean isVMField) { ++numFields; } | |
| 132 public void doShort(ShortField field, boolean isVMField) { ++numFields; } | |
| 133 public void doInt(IntField field, boolean isVMField) { ++numFields; } | |
| 134 public void doLong(LongField field, boolean isVMField) { ++numFields; } | |
| 135 public void doFloat(FloatField field, boolean isVMField) { ++numFields; } | |
| 136 public void doDouble(DoubleField field, boolean isVMField) { ++numFields; } | |
| 137 public void doCInt(CIntField field, boolean isVMField) { ++numFields; } | |
| 138 } | |
| 139 | |
| 140 /** Creates a new SimpleTreeNode for the given field. FIXME: want | |
| 141 this to distinguish between VM and non-VM fields. */ | |
| 142 class Fetcher extends DefaultOopVisitor { | |
| 143 private int index; | |
| 144 private int curField; | |
| 145 private SimpleTreeNode child; | |
| 146 | |
| 147 public Fetcher(int index) { | |
| 148 this.index = index; | |
| 149 } | |
| 150 | |
| 151 public SimpleTreeNode getChild() { | |
| 152 return child; | |
| 153 } | |
| 154 | |
| 155 public void prologue() { | |
| 156 curField = 0; | |
| 157 } | |
| 158 | |
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159 public void doMetadata(MetadataField field, boolean isVMField) { |
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160 if (curField == index) { |
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161 try { |
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162 child = new MetadataTreeNodeAdapter(field.getValue(getObj()), field.getID(), getTreeTableMode()); |
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163 } catch (AddressException e) { |
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164 child = new BadAddressTreeNodeAdapter(getObj().getHandle().getAddressAt(field.getOffset()), field, getTreeTableMode()); |
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coleenp
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165 } catch (UnknownOopException e) { |
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da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
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166 child = new BadAddressTreeNodeAdapter(getObj().getHandle().getAddressAt(field.getOffset()), field, getTreeTableMode()); |
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167 } |
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168 } |
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169 ++curField; |
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170 } |
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171 |
| 0 | 172 public void doOop(OopField field, boolean isVMField) { |
| 173 if (curField == index) { | |
| 174 try { | |
| 175 child = new OopTreeNodeAdapter(field.getValue(getObj()), field.getID(), getTreeTableMode()); | |
| 176 } catch (AddressException e) { | |
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177 child = new BadAddressTreeNodeAdapter(field.getValueAsOopHandle(getObj()), field, getTreeTableMode()); |
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178 } catch (UnknownOopException e) { |
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179 child = new BadAddressTreeNodeAdapter(field.getValueAsOopHandle(getObj()), field, getTreeTableMode()); |
| 0 | 180 } |
| 181 } | |
| 182 ++curField; | |
| 183 } | |
| 184 | |
| 185 public void doByte(ByteField field, boolean isVMField) { | |
| 186 if (curField == index) { | |
| 187 child = new LongTreeNodeAdapter(field.getValue(getObj()) & 0xFF, field.getID(), getTreeTableMode()); | |
| 188 } | |
| 189 ++curField; | |
| 190 } | |
| 191 | |
| 192 public void doChar(CharField field, boolean isVMField) { | |
| 193 if (curField == index) { | |
| 194 child = new CharTreeNodeAdapter(field.getValue(getObj()), field.getID(), getTreeTableMode()); | |
| 195 } | |
| 196 ++curField; | |
| 197 } | |
| 198 | |
| 199 public void doBoolean(BooleanField field, boolean isVMField) { | |
| 200 if (curField == index) { | |
| 201 child = new BooleanTreeNodeAdapter(field.getValue(getObj()), field.getID(), getTreeTableMode()); | |
| 202 } | |
| 203 ++curField; | |
| 204 } | |
| 205 | |
| 206 public void doShort(ShortField field, boolean isVMField) { | |
| 207 if (curField == index) { | |
| 208 child = new LongTreeNodeAdapter(field.getValue(getObj()) & 0xFFFF, field.getID(), getTreeTableMode()); | |
| 209 } | |
| 210 ++curField; | |
| 211 } | |
| 212 | |
| 213 public void doInt(IntField field, boolean isVMField) { | |
| 214 if (curField == index) { | |
| 215 child = new LongTreeNodeAdapter(field.getValue(getObj()) & 0xFFFFFFFF, field.getID(), getTreeTableMode()); | |
| 216 } | |
| 217 ++curField; | |
| 218 } | |
| 219 | |
| 220 public void doLong(LongField field, boolean isVMField) { | |
| 221 if (curField == index) { | |
| 222 child = new LongTreeNodeAdapter(field.getValue(getObj()), field.getID(), getTreeTableMode()); | |
| 223 } | |
| 224 ++curField; | |
| 225 } | |
| 226 | |
| 227 public void doFloat(FloatField field, boolean isVMField) { | |
| 228 if (curField == index) { | |
| 229 child = new FloatTreeNodeAdapter(field.getValue(getObj()), field.getID(), getTreeTableMode()); | |
| 230 } | |
| 231 ++curField; | |
| 232 } | |
| 233 | |
| 234 public void doDouble(DoubleField field, boolean isVMField) { | |
| 235 if (curField == index) { | |
| 236 child = new DoubleTreeNodeAdapter(field.getValue(getObj()), field.getID(), getTreeTableMode()); | |
| 237 } | |
| 238 ++curField; | |
| 239 } | |
| 240 | |
| 241 public void doCInt(CIntField field, boolean isVMField) { | |
| 242 if (curField == index) { | |
| 243 child = new LongTreeNodeAdapter(field.getValue(getObj()), field.getID(), getTreeTableMode()); | |
| 244 } | |
| 245 ++curField; | |
| 246 } | |
| 247 } | |
| 248 | |
| 249 /** Finds the index of the given FieldIdentifier. */ | |
| 250 static class Finder extends DefaultOopVisitor { | |
| 251 private FieldIdentifier id; | |
| 252 private int curField; | |
| 253 private int index; | |
| 254 | |
| 255 public Finder(FieldIdentifier id) { | |
| 256 this.id = id; | |
| 257 } | |
| 258 | |
| 259 /** Returns -1 if not found */ | |
| 260 public int getIndex() { | |
| 261 return index; | |
| 262 } | |
| 263 | |
| 264 public void prologue() { | |
| 265 curField = 0; | |
| 266 index = -1; | |
| 267 } | |
| 268 | |
| 269 public void doOop(OopField field, boolean isVMField) { if (field.getID().equals(id)) { index = curField; } ++curField; } | |
| 270 public void doByte(ByteField field, boolean isVMField) { if (field.getID().equals(id)) { index = curField; } ++curField; } | |
| 271 public void doChar(CharField field, boolean isVMField) { if (field.getID().equals(id)) { index = curField; } ++curField; } | |
| 272 public void doBoolean(BooleanField field, boolean isVMField) { if (field.getID().equals(id)) { index = curField; } ++curField; } | |
| 273 public void doShort(ShortField field, boolean isVMField) { if (field.getID().equals(id)) { index = curField; } ++curField; } | |
| 274 public void doInt(IntField field, boolean isVMField) { if (field.getID().equals(id)) { index = curField; } ++curField; } | |
| 275 public void doLong(LongField field, boolean isVMField) { if (field.getID().equals(id)) { index = curField; } ++curField; } | |
| 276 public void doFloat(FloatField field, boolean isVMField) { if (field.getID().equals(id)) { index = curField; } ++curField; } | |
| 277 public void doDouble(DoubleField field, boolean isVMField) { if (field.getID().equals(id)) { index = curField; } ++curField; } | |
| 278 public void doCInt(CIntField field, boolean isVMField) { if (field.getID().equals(id)) { index = curField; } ++curField; } | |
| 279 } | |
| 280 } |