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comparison agent/src/share/classes/sun/jvm/hotspot/oops/TypeArrayKlass.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 d8ce2825b193
comparison
equal deleted inserted replaced
6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 2000, 2007, 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.
42 }); 42 });
43 } 43 }
44 44
45 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { 45 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
46 Type t = db.lookupType("typeArrayKlass"); 46 Type t = db.lookupType("typeArrayKlass");
47 maxLength = new CIntField(t.getCIntegerField("_max_length"), Oop.getHeaderSize()); 47 maxLength = new CIntField(t.getCIntegerField("_max_length"), 0);
48 } 48 }
49 49
50 TypeArrayKlass(OopHandle handle, ObjectHeap heap) { 50 public TypeArrayKlass(Address addr) {
51 super(handle, heap); 51 super(addr);
52 } 52 }
53 53
54 private static CIntField maxLength; 54 private static CIntField maxLength;
55 55
56 public long getMaxLength() { return maxLength.getValue(this); } 56 public long getMaxLength() { return maxLength.getValue(this); }
94 94
95 public void printValueOn(PrintStream tty) { 95 public void printValueOn(PrintStream tty) {
96 tty.print("TypeArrayKlass for " + getTypeName()); 96 tty.print("TypeArrayKlass for " + getTypeName());
97 } 97 }
98 98
99 public void iterateFields(OopVisitor visitor, boolean doVMFields) { 99 public void iterateFields(MetadataVisitor visitor) {
100 super.iterateFields(visitor, doVMFields); 100 super.iterateFields(visitor);
101 if (doVMFields) {
102 visitor.doCInt(maxLength, true); 101 visitor.doCInt(maxLength, true);
103 } 102 }
104 }
105 103
106 public Klass arrayKlassImpl(boolean orNull, int n) { 104 public Klass arrayKlassImpl(boolean orNull, int n) {
107 int dimension = (int) getDimension(); 105 int dimension = (int) getDimension();
108 if (Assert.ASSERTS_ENABLED) { 106 if (Assert.ASSERTS_ENABLED) {
109 Assert.that(dimension <= n, "check order of chain"); 107 Assert.that(dimension <= n, "check order of chain");