Mercurial > hg > truffle
comparison agent/src/share/classes/sun/jvm/hotspot/oops/FloatField.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 |
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6724:36d1d483d5d6 | 6725:da91efe96a93 |
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1 /* | 1 /* |
2 * Copyright (c) 2000, 2001, 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. |
23 */ | 23 */ |
24 | 24 |
25 package sun.jvm.hotspot.oops; | 25 package sun.jvm.hotspot.oops; |
26 | 26 |
27 import sun.jvm.hotspot.debugger.*; | 27 import sun.jvm.hotspot.debugger.*; |
28 import sun.jvm.hotspot.runtime.VMObject; | |
28 | 29 |
29 // The class for a float field simply provides access to the value. | 30 // The class for a float field simply provides access to the value. |
30 public class FloatField extends Field { | 31 public class FloatField extends Field { |
31 public FloatField(FieldIdentifier id, long offset, boolean isVMField) { | 32 public FloatField(FieldIdentifier id, long offset, boolean isVMField) { |
32 super(id, offset, isVMField); | 33 super(id, offset, isVMField); |
39 public FloatField(InstanceKlass holder, int fieldArrayIndex) { | 40 public FloatField(InstanceKlass holder, int fieldArrayIndex) { |
40 super(holder, fieldArrayIndex); | 41 super(holder, fieldArrayIndex); |
41 } | 42 } |
42 | 43 |
43 public float getValue(Oop obj) { return obj.getHandle().getJFloatAt(getOffset()); } | 44 public float getValue(Oop obj) { return obj.getHandle().getJFloatAt(getOffset()); } |
45 public float getValue(VMObject obj) { return obj.getAddress().getJFloatAt(getOffset()); } | |
44 public void setValue(Oop obj, float value) throws MutationException { | 46 public void setValue(Oop obj, float value) throws MutationException { |
45 // Fix this: setJFloatAt is missing in Address | 47 // Fix this: setJFloatAt is missing in Address |
46 } | 48 } |
47 } | 49 } |