Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/code/ScopeValue.java @ 844:bd02caa94611
6862919: Update copyright year
Summary: Update copyright for files that have been modified in 2009, up to 07/09
Reviewed-by: tbell, ohair
| author | xdono |
|---|---|
| date | Tue, 28 Jul 2009 12:12:40 -0700 |
| parents | b109e761e927 |
| children | c18cbe5936b8 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 844 | 2 * Copyright 2000-2009 Sun Microsystems, Inc. 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 * | |
| 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.code; | |
| 26 | |
| 27 import java.io.*; | |
| 28 | |
| 29 import sun.jvm.hotspot.utilities.*; | |
| 30 | |
| 31 /** <P> Classes used for serializing debugging information. These | |
| 32 abstractions are introducted to provide symmetric read and write | |
| 33 operations. </P> | |
| 34 | |
| 35 <P> | |
| 36 <UL> | |
| 37 <LI> ScopeValue: describes the value of a variable/expression in a scope | |
| 38 <UL> | |
| 39 <LI> LocationValue: describes a value in a given location (in frame or register) | |
| 40 <LI> ConstantValue: describes a constant | |
| 41 </UL> | |
| 42 </UL> | |
| 43 </P> */ | |
| 44 | |
| 45 public abstract class ScopeValue { | |
| 46 // Package private enumeration values (FIXME: read from target VM) | |
| 47 static final int LOCATION_CODE = 0; | |
| 48 static final int CONSTANT_INT_CODE = 1; | |
| 49 static final int CONSTANT_OOP_CODE = 2; | |
| 50 static final int CONSTANT_LONG_CODE = 3; | |
| 51 static final int CONSTANT_DOUBLE_CODE = 4; | |
|
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b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
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52 static final int CONSTANT_OBJECT_CODE = 5; |
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b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
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53 static final int CONSTANT_OBJECT_ID_CODE = 6; |
| 0 | 54 |
| 55 public boolean isLocation() { return false; } | |
| 56 public boolean isConstantInt() { return false; } | |
| 57 public boolean isConstantDouble() { return false; } | |
| 58 public boolean isConstantLong() { return false; } | |
| 59 public boolean isConstantOop() { return false; } | |
|
818
b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
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60 public boolean isObject() { return false; } |
| 0 | 61 |
| 62 public static ScopeValue readFrom(DebugInfoReadStream stream) { | |
| 63 switch (stream.readInt()) { | |
| 64 case LOCATION_CODE: | |
| 65 return new LocationValue(stream); | |
| 66 case CONSTANT_INT_CODE: | |
| 67 return new ConstantIntValue(stream); | |
| 68 case CONSTANT_OOP_CODE: | |
| 69 return new ConstantOopReadValue(stream); | |
| 70 case CONSTANT_LONG_CODE: | |
| 71 return new ConstantLongValue(stream); | |
| 72 case CONSTANT_DOUBLE_CODE: | |
| 73 return new ConstantDoubleValue(stream); | |
|
818
b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
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74 case CONSTANT_OBJECT_CODE: |
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b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
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75 return stream.readObjectValue(); |
|
b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
|
76 case CONSTANT_OBJECT_ID_CODE: |
|
b109e761e927
6837472: com/sun/jdi/MonitorFrameInfo.java fails with AggressiveOpts in 6u14
kvn
parents:
0
diff
changeset
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77 return stream.getCachedObject(); |
| 0 | 78 default: |
| 79 Assert.that(false, "should not reach here"); | |
| 80 return null; | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 public abstract void printOn(PrintStream tty); | |
| 85 } |