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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 SymbianStructuresLib.Arm.Registers; |
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22 using SymbianStructuresLib.Debug.Symbols; |
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23 using SymbianDebugLib.Engine; |
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24 using SymbianDebugLib.PluginAPI.Types.Symbol; |
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25 using CrashDebuggerLib.Structures.KernelObjects; |
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26 using CrashDebuggerLib.Structures.Common; |
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27 using CrashDebuggerLib.Structures.Process; |
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28 |
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29 namespace CrashDebuggerLib.Structures.Register |
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30 { |
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31 public class RegisterCollection : CrashDebuggerAware, IEnumerable<RegisterEntry>, IARCBackingStore, IComparer<RegisterEntry> |
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32 { |
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33 #region Enumerations |
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34 public enum TType |
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35 { |
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36 // Special cases |
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37 ETypeGeneral = -1, // CPU specific |
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38 ETypeCommonBank = 0, // R00 -> R07 inclusive |
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39 |
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40 // Linked into to CPSR values |
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41 ETypeUser = 0x10, // 0b10000 |
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42 ETypeFastInterrupt = 0x11, // 0b10001 |
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43 ETypeInterrupt = 0x12, // 0b10010 |
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44 ETypeSupervisor = 0x13, // 0b10011 |
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45 ETypeAbort = 0x17, // 0b10111 |
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46 ETypeUndefined = 0x1B, // 0b11011 |
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47 |
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48 // Not used in Symbian OS |
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49 ETypeSystem = 0x1F // 0b11111 |
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50 } |
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51 #endregion |
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52 |
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53 #region Constructors |
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54 internal RegisterCollection( CrashDebuggerInfo aCrashDebugger, TType aType ) |
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55 : this( aCrashDebugger, aType, null, null ) |
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56 { |
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57 } |
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58 |
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59 internal RegisterCollection( CrashDebuggerInfo aCrashDebugger, TType aType, DProcess aProcess ) |
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60 : this( aCrashDebugger, aType, aProcess, null ) |
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61 { |
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62 } |
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63 |
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64 internal RegisterCollection( RegisterCollection aCopy, TType aType, DProcess aProcess ) |
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65 : this( aCopy.CrashDebugger, aType, aProcess, null ) |
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66 { |
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67 foreach ( RegisterEntry entry in aCopy ) |
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68 { |
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69 Add( entry.OriginalName, entry.Value ); |
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70 } |
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71 } |
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72 |
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73 internal RegisterCollection( CrashDebuggerInfo aCrashDebugger, TType aType, DProcess aProcess, RegisterCollection aLinkedWith ) |
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74 : base( aCrashDebugger ) |
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75 { |
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76 iType = aType; |
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77 iProcess = aProcess; |
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78 |
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79 iEntries = new ArmRegisterCollection(); |
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80 iEntries.BackingStore = this as IARCBackingStore; |
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81 |
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82 iLinkedWith = aLinkedWith; |
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83 } |
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84 #endregion |
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85 |
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86 #region API |
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87 public RegisterEntry Add( string aName, uint aValue ) |
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88 { |
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89 ArmRegister added = iEntries.Add( aName, aValue ); |
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90 RegisterEntry ret = added as RegisterEntry; |
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91 return ret; |
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92 } |
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93 |
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94 public void AddMany( params TArmRegisterType[] aTypes ) |
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95 { |
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96 foreach ( TArmRegisterType reg in aTypes ) |
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97 { |
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98 string name = ArmRegister.GetTypeName( reg ); |
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99 Add( name, 0 ); |
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100 } |
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101 } |
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102 |
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103 public bool Exists( string aName ) |
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104 { |
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105 // Need this to map the specified name into a common name. |
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106 // I.e. convert R14_USR to R14 |
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107 RegisterEntry temp = new RegisterEntry( this, aName, 0 ); |
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108 |
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109 // First try concrete entries |
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110 bool ret = iEntries.Contains( temp.Name ); |
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111 if ( !ret && iLinkedWith != null ) |
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112 { |
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113 // Try linked |
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114 ret = iLinkedWith.Exists( temp.Name ); |
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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 public void Clear() |
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121 { |
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122 iEntries.Clear(); |
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123 } |
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124 |
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125 public static string BankName( TType aType ) |
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126 { |
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127 string ret = string.Empty; |
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128 // |
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129 switch ( aType ) |
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130 { |
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131 default: |
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132 case TType.ETypeGeneral: |
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133 case TType.ETypeCommonBank: |
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134 ret = string.Empty; |
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135 break; |
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136 case TType.ETypeAbort: |
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137 ret = "ABT"; |
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138 break; |
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139 case TType.ETypeFastInterrupt: |
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140 ret = "FIQ"; |
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141 break; |
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142 case TType.ETypeInterrupt: |
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143 ret = "IRQ"; |
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144 break; |
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145 case TType.ETypeSupervisor: |
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146 ret = "SVC"; |
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147 break; |
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148 case TType.ETypeSystem: |
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149 ret = "SYS"; |
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150 break; |
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151 case TType.ETypeUndefined: |
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152 ret = "UND"; |
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153 break; |
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154 case TType.ETypeUser: |
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155 ret = "USR"; |
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156 break; |
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157 } |
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158 // |
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159 return ret; |
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160 } |
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161 #endregion |
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162 |
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163 #region Properties |
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164 public string Name |
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165 { |
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166 get { return iName; } |
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167 set { iName = value; } |
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168 } |
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169 |
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170 public RegisterEntry this[ string aName ] |
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171 { |
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172 get |
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173 { |
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174 RegisterEntry ret = new RegisterEntry( this, aName, 0 ); |
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175 |
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176 // First try concrete entries in this object |
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177 if ( iEntries.Contains( ret.Name ) ) |
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178 { |
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179 ret = (RegisterEntry) iEntries[ ret.Name ]; |
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180 } |
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181 else if ( iLinkedWith != null && iLinkedWith.Exists( ret.Name ) ) |
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182 { |
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183 // Try linked entries |
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184 ret = iLinkedWith[ ret.Name ]; |
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185 } |
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186 else |
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187 { |
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188 // Not found |
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189 Add( aName, 0 ); |
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190 } |
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191 // |
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192 return ret; |
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193 } |
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194 } |
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195 |
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196 public RegisterEntry this[ TArmRegisterType aType ] |
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197 { |
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198 get |
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199 { |
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200 RegisterEntry ret = new RegisterEntry( this, aType ); |
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201 return this[ ret.Name ]; |
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202 } |
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203 } |
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204 |
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205 public int Count |
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206 { |
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207 get |
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208 { |
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209 int ret = iEntries.Count; |
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210 // |
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211 if ( iLinkedWith != null ) |
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212 { |
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213 ret += iLinkedWith.Count; |
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214 } |
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215 // |
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216 return ret; |
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217 } |
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218 } |
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219 #endregion |
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220 |
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221 #region Operators |
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222 public static implicit operator ArmRegisterCollection( RegisterCollection aSelf ) |
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223 { |
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224 return aSelf.iEntries; |
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225 } |
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226 #endregion |
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227 |
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228 #region Internal methods |
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229 public void Dump() |
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230 { |
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231 System.Diagnostics.Debug.WriteLine( "REGISTERS [" + iType + "]" ); |
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232 System.Diagnostics.Debug.WriteLine( string.Empty ); |
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233 // |
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234 string regs = this.ToString(); |
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235 System.Diagnostics.Debug.WriteLine( regs ); |
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236 } |
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237 |
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238 internal Symbol LookUpSymbol( uint aAddress ) |
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239 { |
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240 Symbol ret = null; |
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241 // |
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242 if ( iProcess != null ) |
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243 { |
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244 ret = iProcess.LookUpSymbol( aAddress ); |
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245 } |
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246 else |
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247 { |
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248 ret = base.CrashDebugger.LookUpSymbol( aAddress ); |
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249 } |
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250 // |
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251 return ret; |
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252 } |
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253 #endregion |
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254 |
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255 #region IArmRegisterBackingStore Members |
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256 void IARCBackingStore.ARCBSClear() |
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257 { |
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258 // Nothing to do - our entries are derived from ArmRegister and |
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259 // are owned by iEntries. |
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260 } |
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261 |
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262 void IARCBackingStore.ARCBSRemove( ArmRegister aRegister ) |
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263 { |
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264 // Nothing to do - our entries are derived from ArmRegister and |
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265 // are owned by iEntries. |
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266 } |
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267 |
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268 ArmRegister IARCBackingStore.ARCBSCreate( TArmRegisterType aType, string aName, uint aValue ) |
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269 { |
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270 RegisterEntry entry = null; |
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271 // |
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272 if ( aType == TArmRegisterType.EArmReg_CPSR ) |
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273 { |
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274 // CPSR is a bit special... |
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275 entry = new RegisterEntryCPSR( this, aValue ); |
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276 } |
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277 else |
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278 { |
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279 entry = new RegisterEntry( this, aName, aValue ); |
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280 entry.RegType = aType; |
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281 } |
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282 // |
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283 return entry; |
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284 } |
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285 #endregion |
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286 |
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287 #region From IComparer<RegisterEntry> |
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288 public int Compare( RegisterEntry aLeft, RegisterEntry aRight ) |
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289 { |
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290 int ret = -1; |
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291 |
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292 // Try to order the registers so that Rnn register names come first |
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293 // then CPSR, then the other stuff. |
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294 TArmRegisterType leftType = aLeft.RegType; |
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295 TArmRegisterType rightType = aRight.RegType; |
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296 // |
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297 if ( leftType != TArmRegisterType.EArmReg_Other && rightType == TArmRegisterType.EArmReg_Other ) |
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298 { |
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299 // Left is smaller since it's a standard register |
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300 ret = -1; |
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301 } |
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302 else if ( leftType == TArmRegisterType.EArmReg_Other && rightType != TArmRegisterType.EArmReg_Other ) |
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303 { |
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304 // Right is smaller since it's a standard register |
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305 ret = 1; |
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306 } |
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307 else if ( leftType == TArmRegisterType.EArmReg_Other && rightType == TArmRegisterType.EArmReg_Other ) |
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308 { |
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309 // Must compare names since both are non-standard registers |
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310 ret = aLeft.OriginalName.CompareTo( aRight.OriginalName ); |
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311 } |
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312 else |
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313 { |
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314 // Registers are not non-standard, compare based upon numerical value |
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315 if ( leftType == rightType ) |
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316 { |
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317 ret = 0; |
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318 } |
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319 else if ( leftType > rightType ) |
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320 { |
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321 ret = 1; |
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322 } |
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323 } |
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324 // |
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325 return ret; |
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326 } |
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327 #endregion |
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328 |
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329 #region From IEnumerable<RegisterEntry> |
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330 public IEnumerator<RegisterEntry> GetEnumerator() |
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331 { |
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332 SortedList<string, RegisterEntry> entries = new SortedList<string, RegisterEntry>(); |
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333 |
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334 // Get specific entries - we always take all of these |
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335 foreach ( ArmRegister reg in iEntries ) |
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336 { |
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337 entries.Add( reg.Name, (RegisterEntry) reg ); |
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338 } |
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339 |
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340 // And also common entries |
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341 if ( iLinkedWith != null ) |
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342 { |
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343 foreach( RegisterEntry reg in iLinkedWith ) |
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344 { |
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345 // Make sure that the concrete entries override |
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346 // any common values |
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347 if ( entries.ContainsKey( reg.Name ) == false ) |
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348 { |
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349 entries.Add( reg.Name, reg ); |
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350 } |
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351 } |
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352 } |
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353 |
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354 // For some reason, sorted list isn't actually sorting the entries |
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355 // by key properly. We must do this ourselves... Ugh :( |
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356 List<RegisterEntry> ret = new List<RegisterEntry>(); |
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357 foreach ( KeyValuePair<string, RegisterEntry> pair in entries ) |
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358 { |
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359 ret.Add( pair.Value ); |
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360 } |
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361 ret.Sort( this ); |
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362 |
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363 // Now we can iterate... |
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364 foreach ( RegisterEntry entry in ret ) |
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365 { |
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366 yield return entry; |
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367 } |
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368 } |
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369 |
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370 System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() |
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371 { |
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372 IEnumerator<RegisterEntry> self = (IEnumerator<RegisterEntry>) this; |
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373 System.Collections.IEnumerator ret = (System.Collections.IEnumerator) self; |
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374 return ret; |
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375 } |
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376 #endregion |
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377 |
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378 #region From System.Object |
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379 public override string ToString() |
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380 { |
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381 StringBuilder ret = new StringBuilder(); |
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382 foreach ( RegisterEntry entry in this ) |
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383 { |
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384 ret.AppendLine( entry.ToString() ); |
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385 } |
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386 // |
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387 string text = ret.ToString(); |
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388 return text; |
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389 } |
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390 #endregion |
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391 |
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392 #region Data members |
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393 private readonly TType iType; |
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394 private readonly DProcess iProcess; |
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395 private readonly RegisterCollection iLinkedWith; |
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396 private readonly ArmRegisterCollection iEntries; |
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397 private string iName = string.Empty; |
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398 #endregion |
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399 } |
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400 } |