Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/debugger/MachineDescription.java @ 17467:55fb97c4c58d hs25-b65
8029233: Update copyright year to match last edit in jdk8 hotspot repository for 2013
Summary: Copyright year updated for files modified during 2013
Reviewed-by: twisti, iveresov
author | mikael |
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date | Tue, 24 Dec 2013 11:48:39 -0800 |
parents | c18cbe5936b8 |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2008, 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 * | |
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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. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.debugger; | |
26 | |
27 import java.io.Serializable; | |
28 | |
29 /** Encapsulates machine-specific information that currently must be | |
30 exported up to the Java level. Implementations must be | |
31 serializable. */ | |
32 | |
33 public interface MachineDescription extends Serializable { | |
34 /** Returns the size of an address in bytes. Currently needed to be | |
35 able to traverse arrays of pointers or oops. */ | |
36 public long getAddressSize(); | |
37 | |
38 /** Returns the maximum value of the C integer type with the given | |
39 size in bytes and signedness. Throws IllegalArgumentException if | |
40 the size in bytes is not legal for a C type (or can not be | |
41 handled by this system). Note that the current implementation | |
42 does not currently handle unsigned 8-byte longs properly. */ | |
43 public long cIntegerTypeMaxValue(long sizeInBytes, boolean isUnsigned); | |
44 | |
45 /** Returns the minimum value of the C integer type with the given | |
46 size in bytes and signedness. Throws IllegalArgumentException if | |
47 the size in bytes is not legal for a C type (or can not be | |
48 handled by this system). */ | |
49 public long cIntegerTypeMinValue(long sizeInBytes, boolean isUnsigned); | |
50 | |
51 /** Indicates whether the CPU is big- or little-endian. This | |
52 information is typically only needed by the Debugger | |
53 implementation. */ | |
54 public boolean isBigEndian(); | |
55 | |
56 /** Indicates whether the underlying machine supports the LP64 data | |
57 model (currently only SPARC/64). */ | |
58 public boolean isLP64(); | |
59 } |