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comparison agent/src/share/classes/sun/jvm/hotspot/oops/Instance.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
parents 63997f575155
children 8e47bac5643a
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. 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. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
51 super(handle, heap); 51 super(handle, heap);
52 } 52 }
53 53
54 // Returns header size in bytes. 54 // Returns header size in bytes.
55 public static long getHeaderSize() { 55 public static long getHeaderSize() {
56 if (VM.getVM().isCompressedOopsEnabled()) { 56 if (VM.getVM().isCompressedHeadersEnabled()) {
57 return typeSize - VM.getVM().getIntSize(); 57 return typeSize - VM.getVM().getIntSize();
58 } else { 58 } else {
59 return typeSize; 59 return typeSize;
60 } 60 }
61 } 61 }