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annotate agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86SegmentRegisters.java @ 3944:35c656d0b685
7090654: nightly failures after 7086585
Reviewed-by: kvn
| author | never |
|---|---|
| date | Wed, 14 Sep 2011 13:57:32 -0700 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
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| 0 | 1 /* |
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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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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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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 } |