Mercurial > hg > graal-jvmci-8
annotate agent/src/share/classes/sun/jvm/hotspot/utilities/BasicHashtable.java @ 6842:b9a9ed0f8eeb
7197424: update copyright year to match last edit in jdk8 hotspot repository
Summary: Update copyright year to 2012 for relevant files
Reviewed-by: dholmes, coleenp
author | mikael |
---|---|
date | Tue, 09 Oct 2012 10:09:34 -0700 |
parents | d2a62e0f25eb |
children |
rev | line source |
---|---|
0 | 1 /* |
6842
b9a9ed0f8eeb
7197424: update copyright year to match last edit in jdk8 hotspot repository
mikael
parents:
6197
diff
changeset
|
2 * Copyright (c) 2003, 2012, 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. | |
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). | |
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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.utilities; | |
26 | |
27 import java.util.*; | |
28 import sun.jvm.hotspot.debugger.*; | |
29 import sun.jvm.hotspot.types.*; | |
30 import sun.jvm.hotspot.runtime.*; | |
31 | |
32 // Superclass for symbol and string tables. | |
33 | |
34 public class BasicHashtable extends VMObject { | |
35 static { | |
36 VM.registerVMInitializedObserver(new Observer() { | |
37 public void update(Observable o, Object data) { | |
38 initialize(VM.getVM().getTypeDataBase()); | |
39 } | |
40 }); | |
41 } | |
42 | |
43 private static synchronized void initialize(TypeDataBase db) { | |
6197 | 44 Type type = db.lookupType("BasicHashtable<mtInternal>"); |
0 | 45 tableSizeField = type.getCIntegerField("_table_size"); |
46 bucketsField = type.getAddressField("_buckets"); | |
6197 | 47 bucketSize = db.lookupType("HashtableBucket<mtInternal>").getSize(); |
0 | 48 } |
49 | |
50 // Fields | |
51 private static CIntegerField tableSizeField; | |
52 private static AddressField bucketsField; | |
53 private static long bucketSize; | |
54 | |
55 // Accessors | |
56 protected int tableSize() { | |
57 return (int) tableSizeField.getValue(addr); | |
58 } | |
59 | |
60 protected BasicHashtableEntry bucket(int i) { | |
61 if (Assert.ASSERTS_ENABLED) { | |
62 Assert.that(i >= 0 && i < tableSize(), "Invalid bucket id"); | |
63 } | |
64 Address tmp = bucketsField.getValue(addr); | |
65 tmp = tmp.addOffsetTo(i * bucketSize); | |
66 HashtableBucket bucket = (HashtableBucket) VMObjectFactory.newObject( | |
67 HashtableBucket.class, tmp); | |
68 return bucket.getEntry(getHashtableEntryClass()); | |
69 } | |
70 | |
71 // derived class may return Class<? extends BasicHashtableEntry> | |
72 protected Class getHashtableEntryClass() { | |
73 return BasicHashtableEntry.class; | |
74 } | |
75 | |
76 public BasicHashtable(Address addr) { | |
77 super(addr); | |
78 } | |
79 } |