Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/oops/BranchData.java @ 5981:4bec1b1f7b33
7156960: Incorrect copyright headers in parts of the Serviceability agent
Summary: Errant files added as part of 7088955 fix. The Copyright information now corrected with gpl-header template
Reviewed-by: sla, ohair, mbykov
| author | minqi |
|---|---|
| date | Wed, 28 Mar 2012 14:27:38 -0700 |
| parents | f6f3bb0ee072 |
| children | b9a9ed0f8eeb |
| rev | line source |
|---|---|
| 3939 | 1 /* |
| 2 * Copyright (c) 2011, 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 // BranchData | |
| 35 // | |
| 36 // A BranchData is used to access profiling data for a two-way branch. | |
| 37 // It consists of taken and notTaken counts as well as a data displacement | |
| 38 // for the taken case. | |
| 39 public class BranchData extends JumpData { | |
| 40 | |
| 41 static final int notTakenOffSet = jumpCellCount; | |
| 42 static final int branchCellCount = notTakenOffSet + 1; | |
| 43 | |
| 44 public BranchData(DataLayout layout) { | |
| 45 super(layout); | |
| 46 //assert(layout.tag() == DataLayout.branchDataTag, "wrong type"); | |
| 47 } | |
| 48 | |
| 49 static int staticCellCount() { | |
| 50 return branchCellCount; | |
| 51 } | |
| 52 | |
| 53 public int cellCount() { | |
| 54 return staticCellCount(); | |
| 55 } | |
| 56 | |
| 57 // Direct accessor | |
| 58 int notTaken() { | |
| 59 return uintAt(notTakenOffSet); | |
| 60 } | |
| 61 | |
| 62 // Code generation support | |
| 63 static int notTakenOffset() { | |
| 64 return cellOffset(notTakenOffSet); | |
| 65 } | |
| 66 static int branchDataSize() { | |
| 67 return cellOffset(branchCellCount); | |
| 68 } | |
| 69 | |
| 70 public void printDataOn(PrintStream st) { | |
| 71 printShared(st, "BranchData"); | |
| 72 st.println("taken(" + taken() + ") displacement(" + displacement() + ")"); | |
| 73 tab(st); | |
| 74 st.println("not taken(" + notTaken() + ")"); | |
| 75 } | |
| 76 } |