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 |
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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.debugger.windbg.ia64; |
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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.ia64.*; |
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29 import sun.jvm.hotspot.debugger.windbg.*; |
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30 |
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31 class WindbgIA64Thread implements ThreadProxy { |
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32 private WindbgDebugger debugger; |
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33 private long sysId; |
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34 private boolean gotID; |
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35 private long id; |
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36 |
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37 /** The address argument must be the address of the HANDLE of the |
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38 desired thread in the target process. */ |
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39 WindbgIA64Thread(WindbgDebugger debugger, Address addr) { |
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40 this.debugger = debugger; |
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41 // FIXME: size of data fetched here should be configurable. |
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42 // However, making it so would produce a dependency on the "types" |
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43 // package from the debugger package, which is not desired. |
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44 |
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45 // another hack here is that we use sys thread id instead of handle. |
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46 // windbg can't get details based on handles it seems. |
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47 // I assume that osThread_win32 thread struct has _thread_id (which |
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48 // sys thread id) just after handle field. |
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49 |
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50 this.sysId = (int) addr.addOffsetTo(debugger.getAddressSize()).getCIntegerAt(0, 4, true); |
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51 gotID = false; |
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52 } |
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53 |
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54 WindbgIA64Thread(WindbgDebugger debugger, long sysId) { |
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55 this.debugger = debugger; |
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56 this.sysId = sysId; |
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57 gotID = false; |
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58 } |
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59 |
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60 public ThreadContext getContext() throws IllegalThreadStateException { |
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61 long[] data = debugger.getThreadIntegerRegisterSet(getThreadID()); |
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62 WindbgIA64ThreadContext context = new WindbgIA64ThreadContext(debugger); |
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63 for (int i = 0; i < data.length; i++) { |
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64 context.setRegister(i, data[i]); |
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65 } |
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66 return context; |
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67 } |
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68 |
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69 public boolean canSetContext() throws DebuggerException { |
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70 return false; |
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71 } |
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72 |
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73 public void setContext(ThreadContext thrCtx) |
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74 throws IllegalThreadStateException, DebuggerException { |
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75 throw new DebuggerException("Unimplemented"); |
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76 } |
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77 |
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78 public boolean equals(Object obj) { |
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79 if ((obj == null) || !(obj instanceof WindbgIA64Thread)) { |
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80 return false; |
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81 } |
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82 |
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83 return (((WindbgIA64Thread) obj).getThreadID() == getThreadID()); |
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84 } |
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85 |
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86 public int hashCode() { |
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87 return (int) getThreadID(); |
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88 } |
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89 |
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90 public String toString() { |
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91 return Long.toString(getThreadID()); |
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92 } |
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93 |
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94 /** Retrieves the thread ID of this thread by examining the Thread |
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95 Information Block. */ |
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96 private long getThreadID() { |
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97 if (!gotID) { |
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98 id = debugger.getThreadIdFromSysId(sysId); |
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99 } |
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100 |
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101 return id; |
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102 } |
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103 } |
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