Mercurial > hg > truffle
comparison agent/src/share/classes/sun/jvm/hotspot/oops/TypeArrayKlass.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 |
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date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | c18cbe5936b8 |
children | d8ce2825b193 |
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6724:36d1d483d5d6 | 6725:da91efe96a93 |
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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"); |