Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/ArrayData.java @ 13705:ac5b0f31f7a2
Truffle API-change: FrameDescriptors are now stored in the RootNode in a final field instead of the CallTarget.
author | Christian Humer <christian.humer@gmail.com> |
---|---|
date | Fri, 17 Jan 2014 17:06:08 +0100 |
parents | da91efe96a93 |
children |
rev | line source |
---|---|
3939 | 1 /* |
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
5981
diff
changeset
|
2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
5981
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3939 | 4 * |
5981
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
7 * published by the Free Software Foundation. |
3939 | 8 * |
5981
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
13 * accompanied this code). |
3939 | 14 * |
5981
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
3939 | 18 * |
5981
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
minqi
parents:
3939
diff
changeset
|
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 } |