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comparison agent/src/share/classes/sun/jvm/hotspot/oops/FieldVisitor.java @ 6725:da91efe96a93

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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
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6724:36d1d483d5d6 6725:da91efe96a93
1 /*
2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.
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 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 package sun.jvm.hotspot.oops;
26
27 // An OopVisitor can be used to inspect all fields within an object.
28 // Fields include vm fields, java fields, indexable fields.
29
30 public interface FieldVisitor {
31 // Callback methods for each field type in an object
32 public void doMetadata(MetadataField field, boolean isVMField);
33 public void doOop(OopField field, boolean isVMField);
34 public void doOop(NarrowOopField field, boolean isVMField);
35 public void doByte(ByteField field, boolean isVMField);
36 public void doChar(CharField field, boolean isVMField);
37 public void doBoolean(BooleanField field, boolean isVMField);
38 public void doShort(ShortField field, boolean isVMField);
39 public void doInt(IntField field, boolean isVMField);
40 public void doLong(LongField field, boolean isVMField);
41 public void doFloat(FloatField field, boolean isVMField);
42 public void doDouble(DoubleField field, boolean isVMField);
43 public void doCInt(CIntField field, boolean isVMField);
44 };