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1 /* |
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2 * Copyright (c) 2009 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 using System; |
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18 using System.Collections.Generic; |
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19 using SymbianUtils; |
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20 using SymbianParserLib.Engine; |
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21 using SymbianParserLib.Elements; |
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22 using SymbianStructuresLib.CodeSegments; |
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23 using SymbianStackLib.Engine; |
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24 |
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25 namespace SymbianStackLib.Prefixes |
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26 { |
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27 public class StackPrefixManager |
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28 { |
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29 #region Constructors |
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30 internal StackPrefixManager( StackEngine aEngine ) |
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31 { |
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32 iEngine = aEngine; |
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33 // |
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34 PreparePrefixes_CodeSegment(); |
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35 PreparePrefixes_Pointer(); |
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36 // |
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37 iParserEntries.Add( iPrefixEngine_Pointer ); |
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38 iParserEntries.Add( iPrefixEngine_CodeSegment ); |
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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 void SetCustomPointer( string aPrefix ) |
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44 { |
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45 // Find any existing custom entry and remove it |
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46 int paraCount = iPrefixEngine_Pointer.Count; |
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47 System.Diagnostics.Debug.Assert( paraCount >= 1 ); |
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48 if ( paraCount > 1 ) |
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49 { |
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50 iPrefixEngine_Pointer.RemoveRange( 1 ); |
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51 } |
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52 |
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53 string prefixText = aPrefix.Trim(); |
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54 if ( prefixText != string.Empty ) |
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55 { |
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56 ParserParagraph para = new ParserParagraph( "Dynamic_Pointer" ); |
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57 // |
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58 prefixText += "%08x"; |
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59 // |
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60 ParserLine l1 = ParserLine.NewSymFormat( prefixText ); |
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61 l1.SetTargetProperty( iEngine.AddressInfo, "Pointer" ); |
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62 para.Add( l1 ); |
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63 iPrefixEngine_Pointer.Add( para ); |
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64 } |
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65 } |
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66 |
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67 public void SetCustomCodeSegment( string aPrefix ) |
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68 { |
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69 // Find any existing custom entry and remove it |
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70 int paraCount = iPrefixEngine_CodeSegment.Count; |
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71 System.Diagnostics.Debug.Assert( paraCount >= 1 ); |
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72 if ( paraCount > 1 ) |
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73 { |
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74 iPrefixEngine_CodeSegment.RemoveRange( 1 ); |
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75 } |
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76 |
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77 string prefixText = aPrefix.Trim(); |
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78 if ( prefixText != string.Empty ) |
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79 { |
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80 ParserParagraph para = new ParserParagraph( "Dynamic_CodeSegment" ); |
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81 // |
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82 prefixText += "%08x-%08x %S"; |
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83 // |
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84 ParserLine l1 = ParserLine.NewSymFormat( prefixText ); |
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85 l1.SetTargetMethod( this, "TryToParseCodeSegment" ); |
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86 l1.DisableWhenComplete = false; |
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87 para.Add( l1 ); |
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88 para.DisableWhenComplete = false; |
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89 iPrefixEngine_CodeSegment.Add( para ); |
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90 } |
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91 } |
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92 #endregion |
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93 |
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94 #region Properties |
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95 public string CodeSegment |
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96 { |
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97 get |
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98 { |
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99 string ret = string.Empty; |
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100 // |
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101 int count = iPrefixEngine_CodeSegment.Count; |
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102 if ( count > 0 ) |
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103 { |
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104 ParserParagraph para = iPrefixEngine_CodeSegment[ count - 1 ]; |
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105 count = para.Count; |
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106 if ( count > 0 ) |
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107 { |
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108 ParserLine line = para[ count - 1 ]; |
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109 // |
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110 if ( line.LineType == ParserLine.TLineType.ELineTypeSimpleStringMatch ) |
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111 { |
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112 ret = line.OriginalValue; |
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113 } |
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114 } |
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115 } |
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116 // |
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117 return ret; |
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118 } |
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119 } |
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120 |
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121 public string Pointer |
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122 { |
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123 get |
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124 { |
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125 string ret = "CurrentSP - "; |
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126 // |
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127 int count = iPrefixEngine_Pointer.Count; |
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128 if ( count > 0 ) |
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129 { |
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130 ParserParagraph para = iPrefixEngine_Pointer[ count - 1 ]; |
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131 count = para.Count; |
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132 if ( count > 0 ) |
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133 { |
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134 ParserLine line = para[ count - 1 ]; |
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135 // |
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136 if ( line.LineType == ParserLine.TLineType.ELineTypeSimpleStringMatch ) |
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137 { |
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138 ret = line.OriginalValue; |
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139 } |
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140 } |
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141 } |
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142 // |
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143 return ret; |
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144 } |
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145 } |
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146 #endregion |
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147 |
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148 #region Internal methods |
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149 internal void TryAgainstPrefixes( string aLine ) |
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150 { |
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151 string line = aLine; |
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152 foreach ( ParserEngine engine in iParserEntries ) |
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153 { |
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154 if ( engine.OfferLine( ref line ) ) |
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155 { |
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156 break; |
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157 } |
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158 } |
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159 } |
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160 |
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161 private void TryToParseCodeSegment( ParserLine aLine ) |
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162 { |
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163 string line = aLine.GetCurrentLine(); |
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164 CodeSegDefinition codeSegDef = CodeSegDefinitionParser.ParseDefinition( line ); |
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165 if ( codeSegDef != null ) |
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166 { |
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167 iEngine.CodeSegments.Add( codeSegDef ); |
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168 } |
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169 } |
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170 |
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171 private void PreparePrefixes_Pointer() |
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172 { |
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173 ParserParagraph para = new ParserParagraph( "Fixed_Pointer" ); |
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174 // |
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175 ParserLine l1 = ParserLine.NewSymFormat( "CurrentSP - 0x%08x" ); |
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176 l1.SetTargetProperty( iEngine.AddressInfo, "Pointer" ); |
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177 // |
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178 ParserLine l2 = ParserLine.NewSymFormat( "CurrentSP - %08x" ); |
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179 l2.SetTargetProperty( iEngine.AddressInfo, "Pointer" ); |
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180 // |
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181 ParserLine l3 = ParserLine.NewSymFormat( "CurrentSP: 0x%08x" ); |
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182 l3.SetTargetProperty( iEngine.AddressInfo, "Pointer" ); |
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183 // |
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184 ParserLine l4 = ParserLine.NewSymFormat( "CurrentSP: %08x" ); |
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185 l4.SetTargetProperty( iEngine.AddressInfo, "Pointer" ); |
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186 // |
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187 ParserLine l5 = ParserLine.NewSymFormat( "r12=%08x %08x %08x %08x" ); |
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188 l5[1].SetTargetProperty( iEngine.AddressInfo, "Pointer" ); |
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189 // |
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190 ParserLine l6 = ParserLine.NewSymFormat( "Current stack pointer: 0x%08x" ); |
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191 l6.SetTargetProperty( iEngine.AddressInfo, "Pointer" ); |
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192 // |
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193 ParserLine l7 = ParserLine.NewSymFormat( "sp: 0x%08x" ); |
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194 l7.SetTargetProperty( iEngine.AddressInfo, "Pointer" ); |
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195 // |
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196 ParserLine l8 = ParserLine.NewSymFormat( "sp: %08x" ); |
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197 l8.SetTargetProperty( iEngine.AddressInfo, "Pointer" ); |
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198 // |
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199 para.Add( l1, l2, l3, l4, l5, l6, l7, l8 ); |
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200 // |
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201 iPrefixEngine_Pointer.Add( para ); |
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202 } |
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203 |
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204 private void PreparePrefixes_CodeSegment() |
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205 { |
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206 ParserParagraph para = new ParserParagraph( "Fixed_CodeSegment" ); |
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207 // |
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208 ParserLine l1 = ParserLine.NewSymFormat( "%08x-%08x %S" ); |
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209 l1.SetTargetMethod( this, "TryToParseCodeSegment" ); |
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210 l1.DisableWhenComplete = false; |
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211 // |
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212 para.Add( l1 ); |
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213 para.DisableWhenComplete = false; |
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214 // |
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215 iPrefixEngine_CodeSegment.Add( para ); |
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216 } |
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217 #endregion |
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218 |
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219 #region Constants |
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220 #endregion |
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221 |
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222 #region Data members |
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223 private readonly StackEngine iEngine; |
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224 private ParserEngine iPrefixEngine_Pointer = new ParserEngine(); |
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225 private ParserEngine iPrefixEngine_CodeSegment = new ParserEngine(); |
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226 private List<ParserEngine> iParserEntries = new List<ParserEngine>(); |
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227 #endregion |
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228 } |
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229 } |