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1 /*
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2 * Copyright 2002-2005 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.windbg;
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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.cdbg.basic.amd64.*;
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33 import sun.jvm.hotspot.debugger.x86.*;
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34 import sun.jvm.hotspot.debugger.amd64.*;
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35 import sun.jvm.hotspot.utilities.AddressOps;
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36
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37 class WindbgCDebugger implements CDebugger {
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38 // FIXME: think about how to make this work in a remote debugging
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39 // scenario; who should keep open DLLs? Need local copies of these
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40 // DLLs on the debugging machine?
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41 private WindbgDebugger dbg;
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42
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43 WindbgCDebugger(WindbgDebugger dbg) {
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44 this.dbg = dbg;
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45 }
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46
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47 public List getThreadList() throws DebuggerException {
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48 return dbg.getThreadList();
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49 }
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50
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51 public List/*<LoadObject>*/ getLoadObjectList() throws DebuggerException{
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52 return dbg.getLoadObjectList();
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53 }
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54
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55 public LoadObject loadObjectContainingPC(Address pc) throws DebuggerException {
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56 // FIXME: could keep sorted list of these to be able to do binary
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57 // searches, for better scalability
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58 if (pc == null) {
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59 return null;
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60 }
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61 List objs = getLoadObjectList();
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62 for (Iterator iter = objs.iterator(); iter.hasNext(); ) {
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63 LoadObject obj = (LoadObject) iter.next();
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64 if (AddressOps.lte(obj.getBase(), pc) && (pc.minus(obj.getBase()) < obj.getSize())) {
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65 return obj;
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66 }
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67 }
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68 return null;
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69 }
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70
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71 public CFrame topFrameForThread(ThreadProxy thread) throws DebuggerException {
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72 if (dbg.getCPU().equals("x86")) {
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73 X86ThreadContext context = (X86ThreadContext) thread.getContext();
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74 Address ebp = context.getRegisterAsAddress(X86ThreadContext.EBP);
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75 if (ebp == null) return null;
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76 Address pc = context.getRegisterAsAddress(X86ThreadContext.EIP);
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77 if (pc == null) return null;
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78 return new X86CFrame(this, ebp, pc);
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79 } else if (dbg.getCPU().equals("amd64")) {
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80 AMD64ThreadContext context = (AMD64ThreadContext) thread.getContext();
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81 Address rbp = context.getRegisterAsAddress(AMD64ThreadContext.RBP);
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82 if (rbp == null) return null;
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83 Address pc = context.getRegisterAsAddress(AMD64ThreadContext.RIP);
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84 if (pc == null) return null;
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85 return new AMD64CFrame(this, rbp, pc);
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86 } else {
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87 // unsupported CPU!
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88 return null;
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89 }
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90 }
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91
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92 public String getNameOfFile(String fileName) {
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93 return new File(fileName).getName();
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94 }
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95
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96 public ProcessControl getProcessControl() throws DebuggerException {
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97 return null;
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98 }
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99
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100 // C++ name demangling
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101 public boolean canDemangle() {
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102 return false;
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103 }
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104
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105 public String demangle(String sym) {
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106 throw new UnsupportedOperationException();
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107 }
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108 }
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