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1 /*
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2 * Copyright 2001-2003 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.win32;
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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.debugger.cdbg.basic.x86.*;
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32 import sun.jvm.hotspot.debugger.x86.*;
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33 import sun.jvm.hotspot.utilities.AddressOps;
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34
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35 class Win32CDebugger implements CDebugger, ProcessControl {
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36 // FIXME: think about how to make this work in a remote debugging
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37 // scenario; who should keep open DLLs? Need local copies of these
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38 // DLLs on the debugging machine?
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39 private Win32Debugger dbg;
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40
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41 Win32CDebugger(Win32Debugger dbg) {
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42 this.dbg = dbg;
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43 }
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44
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45 public List getThreadList() throws DebuggerException {
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46 return dbg.getThreadList();
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47 }
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48
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49 public List/*<LoadObject>*/ getLoadObjectList() throws DebuggerException{
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50 return dbg.getLoadObjectList();
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51 }
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52
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53 public LoadObject loadObjectContainingPC(Address pc) throws DebuggerException {
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54 // FIXME: could keep sorted list of these to be able to do binary
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55 // searches, for better scalability
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56 if (pc == null) {
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57 return null;
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58 }
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59 List objs = getLoadObjectList();
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60 for (Iterator iter = objs.iterator(); iter.hasNext(); ) {
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61 LoadObject obj = (LoadObject) iter.next();
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62 if (AddressOps.lte(obj.getBase(), pc) && (pc.minus(obj.getBase()) < obj.getSize())) {
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63 return obj;
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64 }
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65 }
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66 return null;
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67 }
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68
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69 public CFrame topFrameForThread(ThreadProxy thread) throws DebuggerException {
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70 X86ThreadContext context = (X86ThreadContext) thread.getContext();
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71 Address ebp = context.getRegisterAsAddress(X86ThreadContext.EBP);
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72 if (ebp == null) return null;
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73 Address pc = context.getRegisterAsAddress(X86ThreadContext.EIP);
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74 if (pc == null) return null;
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75 return new X86CFrame(this, ebp, pc);
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76 }
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77
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78 public String getNameOfFile(String fileName) {
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79 return new File(fileName).getName();
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80 }
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81
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82 public ProcessControl getProcessControl() throws DebuggerException {
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83 return this;
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84 }
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85
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86 // C++ name demangling
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87 public boolean canDemangle() {
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88 return false;
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89 }
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90
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91 public String demangle(String sym) {
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92 throw new UnsupportedOperationException();
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93 }
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94
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95 //
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96 // Support for ProcessControl interface
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97 //
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98
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99 public void suspend() throws DebuggerException {
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100 dbg.suspend();
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101 }
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102 public void resume() throws DebuggerException {
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103 dbg.resume();
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104 }
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105 public boolean isSuspended() throws DebuggerException {
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106 return dbg.isSuspended();
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107 }
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108 public void setBreakpoint(Address addr) throws DebuggerException {
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109 dbg.setBreakpoint(addr);
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110 }
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111 public void clearBreakpoint(Address addr) throws DebuggerException {
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112 dbg.clearBreakpoint(addr);
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113 }
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114 public boolean isBreakpointSet(Address addr) throws DebuggerException {
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115 return dbg.isBreakpointSet(addr);
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116 }
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117 public DebugEvent debugEventPoll() throws DebuggerException {
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118 return dbg.debugEventPoll();
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119 }
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120 public void debugEventContinue() throws DebuggerException {
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121 dbg.debugEventContinue();
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122 }
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123 }
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