Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/gc_implementation/parallelScavenge/PSOldGen.java @ 17736:58fc1b1523dc
8034079: G1: Refactor the HeapRegionSet hierarchy
Reviewed-by: tschatzl, pliden
author | brutisso |
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date | Fri, 14 Mar 2014 10:15:46 +0100 |
parents | c18cbe5936b8 |
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0 | 1 /* |
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2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
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7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
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15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.gc_implementation.parallelScavenge; | |
26 | |
27 import java.io.*; | |
28 import java.util.*; | |
29 | |
30 import sun.jvm.hotspot.debugger.*; | |
31 import sun.jvm.hotspot.gc_implementation.shared.*; | |
32 import sun.jvm.hotspot.memory.*; | |
33 import sun.jvm.hotspot.runtime.*; | |
34 import sun.jvm.hotspot.types.*; | |
35 | |
36 public class PSOldGen extends VMObject { | |
37 static { | |
38 VM.registerVMInitializedObserver(new Observer() { | |
39 public void update(Observable o, Object data) { | |
40 initialize(VM.getVM().getTypeDataBase()); | |
41 } | |
42 }); | |
43 } | |
44 | |
45 private static synchronized void initialize(TypeDataBase db) { | |
46 Type type = db.lookupType("PSOldGen"); | |
47 objectSpaceField = type.getAddressField("_object_space"); | |
48 } | |
49 | |
50 public PSOldGen(Address addr) { | |
51 super(addr); | |
52 } | |
53 | |
54 // Fields | |
55 private static AddressField objectSpaceField; | |
56 | |
57 // Accessors | |
58 public MutableSpace objectSpace() { | |
59 return (MutableSpace) VMObjectFactory.newObject(MutableSpace.class, objectSpaceField.getValue(addr)); | |
60 } | |
61 | |
62 public long capacity() { | |
63 return objectSpace().capacity(); | |
64 } | |
65 | |
66 public long used() { | |
67 return objectSpace().used(); | |
68 } | |
69 | |
70 public boolean isIn(Address a) { | |
71 return objectSpace().contains(a); | |
72 } | |
73 | |
74 public void printOn(PrintStream tty) { | |
75 tty.print("PSOldGen [ "); | |
76 objectSpace().printOn(tty); | |
77 tty.print(" ] "); | |
78 } | |
79 } |