annotate agent/src/share/classes/sun/jvm/hotspot/asm/x86/X86RegisterIndirectAddress.java @ 1552:c18cbe5936b8

6941466: Oracle rebranding changes for Hotspot repositories Summary: Change all the Sun copyrights to Oracle copyright Reviewed-by: ohair
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date Thu, 27 May 2010 19:08:38 -0700
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1 /*
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2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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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.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.asm.x86;
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26
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27 import sun.jvm.hotspot.asm.Address;
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28 import sun.jvm.hotspot.asm.BaseIndexScaleDispAddress;
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29
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30 public class X86RegisterIndirectAddress extends BaseIndexScaleDispAddress {
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31
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32 final private X86SegmentRegister segReg;
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33
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34 public X86RegisterIndirectAddress(X86SegmentRegister segReg, X86Register base, X86Register index, long disp, int scale) {
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35 super(base, index, disp, scale);
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36 this.segReg = segReg;
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37 }
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38
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39 public X86RegisterIndirectAddress(X86SegmentRegister segReg, X86Register base, X86Register index, long disp) {
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40 super(base, index, disp, -1);
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41 this.segReg = segReg;
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42 }
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43
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44 public String toString() {
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45 StringBuffer buf = new StringBuffer();
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46 if(segReg != null) {
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47 buf.append(segReg.toString());
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48 buf.append(":");
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49 }
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50
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51 long disp = getDisplacement();
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52 if(disp != 0)
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53 buf.append(disp);
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54
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55 sun.jvm.hotspot.asm.Register base = getBase();
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56 sun.jvm.hotspot.asm.Register index = getIndex();
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57 int scaleVal = getScale();
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58 scaleVal = 1 << scaleVal;
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59
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60 if( (base != null) || (index != null) || (scaleVal > 1) )
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61 buf.append('[');
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62
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63 if(base != null) {
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64 buf.append(base.toString());
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65 if(index != null) {
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66 buf.append("+");
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67 buf.append(index.toString());
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68 }
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69 }
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70 else {
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71 if(index != null) {
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72 buf.append(index.toString());
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73 }
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74 }
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75
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76 if (scaleVal > 1) {
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77 buf.append(" * ");
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78 buf.append(Integer.toString(scaleVal));
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79 }
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80
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81 if( (base != null) || (index != null) || (scaleVal > 1) )
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82 buf.append(']');
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83
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84 return buf.toString();
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85 }
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86 }