Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/memory/GenerationFactory.java @ 3945:8ed53447f690
Merge
author | iveresov |
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date | Thu, 15 Sep 2011 12:44:09 -0700 |
parents | c18cbe5936b8 |
children | da91efe96a93 |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2005, 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 | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
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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). | |
14 * | |
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, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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6941466: Oracle rebranding changes for Hotspot repositories
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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 |
c18cbe5936b8
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.memory; | |
26 | |
27 import java.util.*; | |
28 | |
29 import sun.jvm.hotspot.debugger.*; | |
30 import sun.jvm.hotspot.runtime.*; | |
31 import sun.jvm.hotspot.types.*; | |
32 | |
33 /** Factory containing a VirtualConstructor suitable for instantiating | |
34 wrapper objects for all types of generations */ | |
35 | |
36 public class GenerationFactory { | |
37 private static VirtualConstructor ctor; | |
38 | |
39 static { | |
40 VM.registerVMInitializedObserver(new Observer() { | |
41 public void update(Observable o, Object data) { | |
42 initialize(VM.getVM().getTypeDataBase()); | |
43 } | |
44 }); | |
45 } | |
46 | |
47 private static synchronized void initialize(TypeDataBase db) { | |
48 ctor = new VirtualConstructor(db); | |
49 | |
50 ctor.addMapping("CompactingPermGenGen", CompactingPermGenGen.class); | |
51 ctor.addMapping("CMSPermGenGen", CMSPermGenGen.class); | |
52 ctor.addMapping("DefNewGeneration", DefNewGeneration.class); | |
53 ctor.addMapping("ParNewGeneration", ParNewGeneration.class); | |
54 ctor.addMapping("TenuredGeneration", TenuredGeneration.class); | |
55 ctor.addMapping("ConcurrentMarkSweepGeneration", ConcurrentMarkSweepGeneration.class); | |
56 } | |
57 | |
58 public static Generation newObject(Address addr) { | |
59 try { | |
60 return (Generation) ctor.instantiateWrapperFor(addr); | |
61 } catch (WrongTypeException e) { | |
62 return new Generation(addr) { | |
63 public String name() { | |
64 return "unknown generation type"; | |
65 } | |
66 public void spaceIterate(SpaceClosure blk, boolean usedOnly) { | |
67 } | |
68 public void printOn(java.io.PrintStream tty) { | |
69 tty.println("unknown subtype of Generation @ " + getAddress() + " (" + | |
70 virtualSpace().low() + "," + virtualSpace().high() + ")"); | |
71 } | |
72 public long used() { | |
73 return 0; | |
74 } | |
75 public long free() { | |
76 return 0; | |
77 } | |
78 public long capacity() { | |
79 return 0; | |
80 } | |
81 public long contiguousAvailable() { | |
82 return 0; | |
83 } | |
84 | |
85 }; | |
86 } | |
87 } | |
88 } |