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annotate agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86SegmentRegisters.java @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
author | trims |
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date | Thu, 27 May 2010 19:08:38 -0700 |
parents | a61af66fc99e |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2003, 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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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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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.asm.x86; | |
26 | |
27 import sun.jvm.hotspot.utilities.*; | |
28 | |
29 public class X86SegmentRegisters { | |
30 | |
31 public static final int NUM_SEGMENT_REGISTERS = 6; | |
32 | |
33 public static final X86SegmentRegister ES; | |
34 public static final X86SegmentRegister CS; | |
35 public static final X86SegmentRegister SS; | |
36 public static final X86SegmentRegister DS; | |
37 public static final X86SegmentRegister FS; | |
38 public static final X86SegmentRegister GS; | |
39 | |
40 private static X86SegmentRegister segmentRegisters[]; | |
41 | |
42 static { | |
43 //Segment registers | |
44 ES = new X86SegmentRegister(0, "%es"); | |
45 CS = new X86SegmentRegister(1, "%cs"); | |
46 SS = new X86SegmentRegister(2, "%ss"); | |
47 DS = new X86SegmentRegister(3, "%ds"); | |
48 FS = new X86SegmentRegister(4, "%fs"); | |
49 GS = new X86SegmentRegister(5, "%gs"); | |
50 | |
51 segmentRegisters = (new X86SegmentRegister[] { | |
52 ES, CS, SS, DS, FS, GS | |
53 }); | |
54 } | |
55 | |
56 public static int getNumberOfRegisters() { | |
57 return NUM_SEGMENT_REGISTERS; | |
58 } | |
59 | |
60 public static X86SegmentRegister getSegmentRegister(int regNum) { | |
61 if (Assert.ASSERTS_ENABLED) { | |
62 Assert.that(regNum > -1 && regNum < NUM_SEGMENT_REGISTERS, "invalid segment register number!"); | |
63 } | |
64 return segmentRegisters[regNum]; | |
65 } | |
66 } |