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comparison agent/src/share/classes/sun/jvm/hotspot/runtime/JNIid.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 c18cbe5936b8
children
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 2002, 2003, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2002, 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.
29 import sun.jvm.hotspot.debugger.*; 29 import sun.jvm.hotspot.debugger.*;
30 import sun.jvm.hotspot.oops.*; 30 import sun.jvm.hotspot.oops.*;
31 import sun.jvm.hotspot.types.*; 31 import sun.jvm.hotspot.types.*;
32 32
33 public class JNIid extends VMObject { 33 public class JNIid extends VMObject {
34 private static sun.jvm.hotspot.types.OopField holder; 34 private static MetadataField holder;
35 private static AddressField next; 35 private static AddressField next;
36 private static CIntegerField offset; 36 private static CIntegerField offset;
37 private static sun.jvm.hotspot.types.OopField resolvedMethod; 37 private static MetadataField resolvedMethod;
38 private static sun.jvm.hotspot.types.OopField resolvedReceiver; 38 private static MetadataField resolvedReceiver;
39 39
40 private ObjectHeap heap; 40 private ObjectHeap heap;
41 41
42 static { 42 static {
43 VM.registerVMInitializedObserver(new Observer() { 43 VM.registerVMInitializedObserver(new Observer() {
75 return null; 75 return null;
76 } 76 }
77 return new JNIid(nextAddr, heap); 77 return new JNIid(nextAddr, heap);
78 } 78 }
79 79
80 public Klass holder() { return (Klass) heap.newOop(holder.getValue(addr)); } 80 public Klass holder() { return (Klass) holder.getValue(addr); }
81 public int offset() { return (int) offset.getValue(addr); } 81 public int offset() { return (int) offset.getValue(addr); }
82 public Method method() { 82 public Method method() {
83 return (Method) ((InstanceKlass) holder()).getMethods().getObjAt(offset()); 83 return ((InstanceKlass) holder()).getMethods().at(offset());
84 } 84 }
85 public Method resolvedMethod() { return (Method) heap.newOop(resolvedMethod.getValue(addr)); } 85 public Method resolvedMethod() { return (Method)resolvedMethod.getValue(addr); }
86 public Klass resolvedReceiver() { return (Klass) heap.newOop(resolvedReceiver.getValue(addr)); } 86 public Klass resolvedReceiver() { return (Klass) resolvedReceiver.getValue(addr); }
87 } 87 }