Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/ArrayData.java @ 18109:b72ce1826bd0
Truffle: revert back to typed primitives, but make the primitive array an int[]
author | Andreas Woess <andreas.woess@jku.at> |
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date | Wed, 15 Oct 2014 19:25:43 +0200 |
parents | da91efe96a93 |
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3939 | 1 /* |
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6964458: Reimplement class meta-data storage to use native memory
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2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3939 | 4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
3939 | 8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
3939 | 14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
3939 | 18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
3939 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.oops; | |
26 | |
27 import java.io.*; | |
28 import java.util.*; | |
29 import sun.jvm.hotspot.debugger.*; | |
30 import sun.jvm.hotspot.runtime.*; | |
31 import sun.jvm.hotspot.types.*; | |
32 import sun.jvm.hotspot.utilities.*; | |
33 | |
34 // ArrayData | |
35 // | |
36 // A ArrayData is a base class for accessing profiling data which does | |
37 // not have a statically known size. It consists of an array length | |
38 // and an array start. | |
39 abstract class ArrayData extends ProfileData { | |
40 | |
41 static final int arrayLenOffSet = 0; | |
42 static final int arrayStartOffSet = 1; | |
43 | |
44 int arrayUintAt(int index) { | |
45 int aindex = index + arrayStartOffSet; | |
46 return uintAt(aindex); | |
47 } | |
48 int arrayIntAt(int index) { | |
49 int aindex = index + arrayStartOffSet; | |
50 return intAt(aindex); | |
51 } | |
52 | |
53 // Code generation support for subclasses. | |
54 static int arrayElementOffset(int index) { | |
55 return cellOffset(arrayStartOffSet + index); | |
56 } | |
57 | |
58 ArrayData(DataLayout layout) { | |
59 super(layout); | |
60 } | |
61 | |
62 static int staticCellCount() { | |
63 return -1; | |
64 } | |
65 | |
66 int arrayLen() { | |
67 return intAt(arrayLenOffSet); | |
68 } | |
69 | |
70 public int cellCount() { | |
71 return arrayLen() + 1; | |
72 } | |
73 | |
74 // Code generation support | |
75 static int arrayLenOffset() { | |
76 return cellOffset(arrayLenOffSet); | |
77 } | |
78 static int arrayStartOffset() { | |
79 return cellOffset(arrayStartOffSet); | |
80 } | |
81 | |
82 } |