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1 /* |
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2 * Copyright (c) 2004-2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 using System; |
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19 using System.Collections.Generic; |
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20 using System.Text; |
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21 using SymbianParserLib.Engine; |
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22 using SymbianParserLib.BaseStructures; |
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23 using CrashDebuggerLib.Structures.CodeSeg; |
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24 using CrashDebuggerLib.Structures.Thread; |
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25 using CrashDebuggerLib.Structures.Process; |
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26 using CrashDebuggerLib.Structures.KernelObjects; |
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27 using CrashDebuggerLib.Threading; |
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28 using SymbianParserLib.Elements; |
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29 using SymbianParserLib.Enums; |
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30 |
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31 namespace CrashDebuggerLib.Parsers.State.Implementation |
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32 { |
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33 internal class StateThreadStacks : State |
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34 { |
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35 #region Constructors |
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36 public StateThreadStacks( CrashDebuggerParser aParser ) |
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37 : base( aParser ) |
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38 { |
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39 } |
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40 #endregion |
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41 |
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42 #region API |
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43 public override void Prepare() |
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44 { |
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45 // First, we need to know which thread we're dealing with |
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46 // so that means we must look for the thread info |
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47 ParserParagraph para = new ParserParagraph( "STACK_THREAD_INFO" ); |
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48 // |
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49 ParserLine l1 = ParserLine.NewSymFormat( "STACK DATA for thread at %8x" ); |
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50 l1.SetTargetMethod( this, "SetThreadAddress" ); |
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51 para.Add( l1 ); |
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52 ParserEngine.Add( para ); |
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53 } |
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54 |
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55 public override void Finalise() |
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56 { |
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57 if ( iCurrentThread != null ) |
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58 { |
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59 if ( iCurrentThread.OwningProcess != null ) |
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60 { |
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61 iCurrentThread.OwningProcess.PrepareDebugView(); |
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62 } |
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63 // |
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64 iCurrentThread.StackInfoUser.Data.BuildCallStackAsync(); |
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65 iCurrentThread.StackInfoSupervisor.Data.BuildCallStackAsync(); |
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66 } |
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67 } |
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68 #endregion |
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69 |
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70 #region Properties |
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71 #endregion |
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72 |
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73 #region Internal methods |
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74 private void SetThreadAddress( uint aAddress ) |
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75 { |
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76 // Look for the thread which we're about to process... |
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77 iCurrentThread = CrashDebugger.ThreadByAddress( aAddress ); |
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78 if ( iCurrentThread != null ) |
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79 { |
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80 // Next we must start to process code segments for this |
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81 // thread. These lines contain additional information about |
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82 // the run address of the code segments, relative to the process. |
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83 ParserParagraph para = new ParserParagraph( "STACK_THREAD_INFO_CODESEGS" ); |
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84 // |
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85 ParserLine l1 = ParserLine.NewSymFormat( "CodeSeg[%03d/%03d] @ %08x - %08X-%08X %S" ); |
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86 l1.ElementComplete += new ParserElementBase.ElementCompleteHandler( CodeSegmentLineComplete ); |
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87 // |
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88 para.Add( l1 ); |
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89 ParserEngine.Add( para ); |
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90 } |
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91 } |
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92 |
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93 void CodeSegmentLineComplete( ParserElementBase aElement ) |
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94 { |
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95 System.Diagnostics.Debug.Assert( iCurrentThread != null ); |
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96 ParserLine line = (ParserLine) aElement; |
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97 // |
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98 int index = line[ 0 ].AsInt; |
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99 int count = line[ 1 ].AsInt; |
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100 uint codeSegAddress = line[ 2 ].AsUint; |
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101 uint startAddress = line[ 3 ].AsUint; |
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102 uint endAddress = line[ 4 ].AsUint; |
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103 string fileName = line[ 5 ].AsString; |
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104 // |
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105 DProcess process = iCurrentThread.OwningProcess; |
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106 if ( process != null ) |
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107 { |
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108 ProcessCodeSegCollection codeSegs = process.CodeSegments; |
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109 ProcessCodeSeg codeSeg = codeSegs[ codeSegAddress ]; |
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110 // |
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111 if ( codeSeg == null ) |
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112 { |
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113 // The code seg is not directly part of the process handle list |
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114 // but it is some how mapped into the process? |
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115 // |
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116 // Try looking up the underlying code seg entry details from |
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117 // the crash debugger data itself. It should be part of the code |
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118 // seg listing so this should always work. |
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119 codeSeg = new ProcessCodeSeg( CrashDebugger, codeSegAddress, 0 ); |
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120 process.CodeSegments.Add( codeSeg ); |
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121 } |
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122 // |
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123 codeSeg.ProcessLocalRunAddress = startAddress; |
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124 codeSeg.Size = ( endAddress - startAddress ); |
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125 } |
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126 // |
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127 int remaining = count - index; |
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128 if ( remaining == 0 ) |
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129 { |
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130 // Queue up stack data... |
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131 iHelperStack.CreateStackParagraphs( ParserEngine, iCurrentThread ); |
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132 } |
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133 else |
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134 { |
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135 // So that we capture the next line |
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136 aElement.SetRepetitions( 1 ); |
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137 } |
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138 } |
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139 #endregion |
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140 |
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141 #region Data members |
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142 private DThread iCurrentThread = null; |
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143 private Helpers.HelperStack iHelperStack = new CrashDebuggerLib.Parsers.State.Implementation.Helpers.HelperStack(); |
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144 #endregion |
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145 } |
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146 } |