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1 /*
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2 * Copyright 2002-2003 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any 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.debugger.proc.x86;
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26
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27 import sun.jvm.hotspot.debugger.*;
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28 import sun.jvm.hotspot.debugger.x86.*;
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29 import sun.jvm.hotspot.debugger.proc.*;
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30 import sun.jvm.hotspot.utilities.*;
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31
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32 public class ProcX86Thread implements ThreadProxy {
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33 private ProcDebugger debugger;
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34 private int id;
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35
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36 public ProcX86Thread(ProcDebugger debugger, Address addr) {
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37 this.debugger = debugger;
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38
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39 // FIXME: the size here should be configurable. However, making it
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40 // so would produce a dependency on the "types" package from the
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41 // debugger package, which is not desired.
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42 this.id = (int) addr.getCIntegerAt(0, 4, true);
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43 }
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44
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45 public ProcX86Thread(ProcDebugger debugger, long id) {
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46 this.debugger = debugger;
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47 this.id = (int) id;
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48 }
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49
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50 public ThreadContext getContext() throws IllegalThreadStateException {
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51 ProcX86ThreadContext context = new ProcX86ThreadContext(debugger);
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52 long[] regs = debugger.getThreadIntegerRegisterSet(id);
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53 /*
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54 _NGREG in reg.h is defined to be 19. Because we have included
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55 debug registers X86ThreadContext.NPRGREG is 25.
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56 */
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57
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58 if (Assert.ASSERTS_ENABLED) {
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59 Assert.that(regs.length <= X86ThreadContext.NPRGREG, "size of register set is greater than " + X86ThreadContext.NPRGREG);
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60 }
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61 for (int i = 0; i < regs.length; i++) {
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62 context.setRegister(i, regs[i]);
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63 }
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64 return context;
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65 }
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66
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67 public boolean canSetContext() throws DebuggerException {
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68 return false;
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69 }
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70
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71 public void setContext(ThreadContext context)
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72 throws IllegalThreadStateException, DebuggerException {
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73 throw new DebuggerException("Unimplemented");
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74 }
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75
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76 public String toString() {
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77 return "t@" + id;
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78 }
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79
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80 public boolean equals(Object obj) {
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81 if ((obj == null) || !(obj instanceof ProcX86Thread)) {
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82 return false;
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83 }
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84
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85 return (((ProcX86Thread) obj).id == id);
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86 }
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87
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88 public int hashCode() {
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89 return id;
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90 }
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91 }
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