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1 /*
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2 * Copyright 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;
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26
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27 import java.io.*;
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28 import java.util.*;
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29 import sun.jvm.hotspot.debugger.*;
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30 import sun.jvm.hotspot.debugger.cdbg.*;
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31 import sun.jvm.hotspot.utilities.*;
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32
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33 class ProcCDebugger implements CDebugger {
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34 private ProcDebugger dbg;
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35
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36 ProcCDebugger(ProcDebugger dbg) {
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37 this.dbg = dbg;
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38 }
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39
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40 public List getThreadList() throws DebuggerException {
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41 return dbg.getThreadList();
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42 }
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43
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44 public List/*<LoadObject>*/ getLoadObjectList() throws DebuggerException {
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45 return dbg.getLoadObjectList();
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46 }
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47
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48 public LoadObject loadObjectContainingPC(Address pc) throws DebuggerException {
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49 if (pc == null) {
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50 return null;
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51 }
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52 List objs = getLoadObjectList();
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53 Object[] arr = objs.toArray();
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54 // load objects are sorted by base address, do binary search
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55 int mid = -1;
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56 int low = 0;
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57 int high = arr.length - 1;
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58
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59 while (low <= high) {
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60 mid = (low + high) >> 1;
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61 LoadObject midVal = (LoadObject) arr[mid];
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62 long cmp = pc.minus(midVal.getBase());
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63 if (cmp < 0) {
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64 high = mid - 1;
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65 } else if (cmp > 0) {
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66 long size = midVal.getSize();
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67 if (cmp >= size) {
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68 low = mid + 1;
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69 } else {
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70 return (LoadObject) arr[mid];
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71 }
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72 } else { // match found
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73 return (LoadObject) arr[mid];
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74 }
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75 }
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76 // no match found.
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77 return null;
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78 }
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79
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80 public CFrame topFrameForThread(ThreadProxy thread) throws DebuggerException {
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81 return dbg.topFrameForThread(thread);
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82 }
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83
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84 public String getNameOfFile(String fileName) {
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85 return new File(fileName).getName();
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86 }
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87
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88 public ProcessControl getProcessControl() throws DebuggerException {
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89 // FIXME: after stabs parser
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90 return null;
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91 }
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92
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93 // C++ name demangling
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94 public boolean canDemangle() {
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95 return true;
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96 }
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97
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98 public String demangle(String sym) {
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99 return dbg.demangle(sym);
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100 }
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101 }
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