CorHeader.cs

   1 /*\r
   2  * Copyright (c) 2002 Sergey Chaban <serge@wildwestsoftware.com>\r
   3  */\r
   4 \r
   5 using System;\r
   6 using System.IO;\r
   7 using System.Runtime.InteropServices;\r
   8 \r
   9 using Mono.PEToolkit.Metadata;\r
  10 \r
  11 namespace Mono.PEToolkit {\r
  12 \r
  13         [Flags]\r
  14         public enum CorFlags : uint {\r
  15                 /// <summary>\r
  16                 /// COMIMAGE_FLAGS_ILONLY\r
  17                 /// </summary>\r
  18                 ILONLY = 0x00000001,\r
  19                 \r
  20                 /// <summary>\r
  21                 /// COMIMAGE_FLAGS_32BITREQUIRED\r
  22                 /// </summary>\r
  23                 REQUIRED_32BIT = 0x00000002,\r
  24                 \r
  25                 /// <summary>\r
  26                 /// COMIMAGE_FLAGS_IL_LIBRARY\r
  27                 /// </summary>\r
  28                 IL_LIBRARY = 0x00000004,\r
  29                 \r
  30                 /// <summary>\r
  31                 /// COMIMAGE_FLAGS_TRACKDEBUGDATA\r
  32                 /// </summary>\r
  33                 TRACKDEBUGDATA = 0x00010000,\r
  34         }\r
  35 \r
  36 \r
  37         /// <summary>\r
  38         /// CLR 2.0 header structure.\r
  39         /// IMAGE_COR20_HEADER\r
  40         /// </summary>\r
  41         public class CorHeader {\r
  42                 // Header versioning\r
  43                 internal uint cb;\r
  44                 internal short runtimeMaj;\r
  45                 internal short runtimeMin;\r
  46 \r
  47                 // Symbol table and startup information.\r
  48                 internal DataDir meta;\r
  49                 internal CorFlags flags;\r
  50                 internal uint entryTok;\r
  51 \r
  52                 // Binding information.\r
  53                 internal DataDir rsrc;\r
  54                 internal DataDir strongSig;\r
  55 \r
  56                 // Regular fixup and binding information.\r
  57                 internal DataDir codeManTab;\r
  58                 internal DataDir vtab;\r
  59                 internal DataDir jumps;\r
  60 \r
  61                 // Managed Native Code.\r
  62                 internal DataDir eeInfo;\r
  63                 internal DataDir helper;\r
  64                 internal DataDir dynInfo;\r
  65                 internal DataDir delayInfo;\r
  66                 internal DataDir modImg;\r
  67                 internal DataDir extFixups;\r
  68                 internal DataDir ridMap;\r
  69                 internal DataDir dbgMap;\r
  70 \r
  71                 // obsolete?\r
  72                 internal DataDir ipMap;\r
  73 \r
  74 \r
  75                 //\r
  76                 // Accessors\r
  77                 //\r
  78 \r
  79                 public uint Size {\r
  80                         get {\r
  81                                 return cb;\r
  82                         }\r
  83                         set {\r
  84                                 cb = value;\r
  85                         }\r
  86                 }\r
  87 \r
  88                 public short MajorRuntimeVersion {\r
  89                         get {\r
  90                                 return runtimeMaj;\r
  91                         }\r
  92                         set {\r
  93                                 runtimeMaj = value;\r
  94                         }\r
  95                 }\r
  96 \r
  97                 public short MinorRuntimeVersion {\r
  98                         get {\r
  99                                 return runtimeMin;\r
 100                         }\r
 101                         set {\r
 102                                 runtimeMin = value;\r
 103                         }\r
 104                 }\r
 105 \r
 106                 public string RuntimeVersion {\r
 107                         get {\r
 108                                 return String.Format("{0}.{1}", runtimeMaj, runtimeMin);\r
 109                         }\r
 110                 }\r
 111 \r
 112                 public DataDir MetaData {\r
 113                         get {\r
 114                                 return meta;\r
 115                         }\r
 116                         set {\r
 117                                 meta = value;\r
 118                         }\r
 119                 }\r
 120                 \r
 121                 public CorFlags Flags {\r
 122                         get {\r
 123                                 return flags;\r
 124                         }\r
 125                         set {\r
 126                                 flags = value;\r
 127                         }\r
 128                 }\r
 129                 \r
 130                 public MDToken EntryPointToken {\r
 131                         get {\r
 132                                 return entryTok;\r
 133                         }\r
 134                         set {\r
 135                                 entryTok = value;\r
 136                         }\r
 137                 }\r
 138 \r
 139                 public DataDir Resources {\r
 140                         get {\r
 141                                 return rsrc;\r
 142                         }\r
 143                         set {\r
 144                                 rsrc = value;\r
 145                         }\r
 146                 }\r
 147                 \r
 148                 public DataDir StrongNameSignature {\r
 149                         get {\r
 150                                 return strongSig;\r
 151                         }\r
 152                         set {\r
 153                                 strongSig = value;\r
 154                         }\r
 155                 }\r
 156 \r
 157                 public DataDir CodeManagerTable {\r
 158                         get {\r
 159                                 return codeManTab;\r
 160                         }\r
 161                         set {\r
 162                                 codeManTab = value;\r
 163                         }\r
 164                 }\r
 165                 \r
 166                 public DataDir VTableFixups {\r
 167                         get {\r
 168                                 return vtab;\r
 169                         }\r
 170                         set {\r
 171                                 vtab = value;\r
 172                         }\r
 173                 }\r
 174                 \r
 175                 public DataDir ExportAddressTableJumps {\r
 176                         get {\r
 177                                 return jumps;\r
 178                         }\r
 179                         set {\r
 180                                 jumps = value;\r
 181                         }\r
 182                 }\r
 183 \r
 184 \r
 185                 public DataDir EEInfoTable {\r
 186                         get {\r
 187                                 return eeInfo;\r
 188                         }\r
 189                         set {\r
 190                                 eeInfo = value;\r
 191                         }\r
 192                 }\r
 193 \r
 194                 public DataDir HelperTable {\r
 195                         get {\r
 196                                 return helper;\r
 197                         }\r
 198                         set {\r
 199                                 helper = value;\r
 200                         }\r
 201                 }\r
 202                 \r
 203                 public DataDir DynamicInfo {\r
 204                         get {\r
 205                                 return dynInfo;\r
 206                         }\r
 207                         set {\r
 208                                 dynInfo = value;\r
 209                         }\r
 210                 }\r
 211                 \r
 212                 public DataDir DelayLoadInfo {\r
 213                         get {\r
 214                                 return delayInfo;\r
 215                         }\r
 216                         set {\r
 217                                 delayInfo = value;\r
 218                         }\r
 219                 }\r
 220                 \r
 221                 public DataDir ModuleImage {\r
 222                         get {\r
 223                                 return modImg;\r
 224                         }\r
 225                         set {\r
 226                                 modImg = value;\r
 227                         }\r
 228                 }\r
 229                 \r
 230                 public DataDir ExternalFixups {\r
 231                         get {\r
 232                                 return extFixups;\r
 233                         }\r
 234                         set {\r
 235                                 extFixups = value;\r
 236                         }\r
 237                 }\r
 238                 \r
 239                 public DataDir RidMap {\r
 240                         get {\r
 241                                 return ridMap;\r
 242                         }\r
 243                         set {\r
 244                                 ridMap = value;\r
 245                         }\r
 246                 }\r
 247                 \r
 248                 public DataDir DebugMap {\r
 249                         get {\r
 250                                 return dbgMap;\r
 251                         }\r
 252                         set {\r
 253                                 dbgMap = value;\r
 254                         }\r
 255                 }\r
 256 \r
 257 \r
 258                 public DataDir IPMap {\r
 259                         get {\r
 260                                 return ipMap;\r
 261                         }\r
 262                         set {\r
 263                                 ipMap = value;\r
 264                         }\r
 265                 }\r
 266 \r
 267 \r
 268                 public void Read(BinaryReader reader)\r
 269                 {\r
 270                         // Header versioning\r
 271                         cb = reader.ReadUInt32 ();\r
 272                         \r
 273                         runtimeMaj = reader.ReadInt16 ();\r
 274                         runtimeMin = reader.ReadInt16 ();\r
 275         \r
 276                         \r
 277                         // Symbol table and startup information.\r
 278                         meta = new DataDir (reader);\r
 279                         flags = (CorFlags) reader.ReadUInt32 ();\r
 280                         entryTok = reader.ReadUInt32 ();\r
 281 \r
 282                         // Binding information.\r
 283                         rsrc  = new DataDir (reader);\r
 284                         strongSig = new DataDir (reader);\r
 285                 \r
 286                         // Regular fixup and binding information.\r
 287                         codeManTab = new DataDir (reader);\r
 288                         vtab = new DataDir (reader);\r
 289                         jumps = new DataDir (reader);\r
 290 \r
 291                         // Managed Native Code.\r
 292                         eeInfo = new DataDir (reader);\r
 293                         helper = new DataDir (reader);\r
 294                         dynInfo = new DataDir (reader);\r
 295                         delayInfo = new DataDir (reader);\r
 296                         modImg = new DataDir (reader);\r
 297                         extFixups = new DataDir (reader);\r
 298                         ridMap = new DataDir (reader);\r
 299                         dbgMap = new DataDir (reader);\r
 300 \r
 301                         // obsolete?\r
 302                         ipMap = new DataDir (reader);\r
 303                 }\r
 304 \r
 305                 public void Write (BinaryWriter writer)\r
 306                 {\r
 307                         // Header versioning\r
 308                         writer.Write (cb);\r
 309                         \r
 310                         writer.Write (runtimeMaj);\r
 311                         writer.Write (runtimeMin);\r
 312                                 \r
 313                         // Symbol table and startup information.\r
 314                         meta.Write (writer);\r
 315                         writer.Write ((uint)flags);\r
 316                         writer.Write (entryTok);\r
 317 \r
 318                         // Binding information.\r
 319                         rsrc.Write (writer);\r
 320                         strongSig.Write (writer);\r
 321                 \r
 322                         // Regular fixup and binding information.\r
 323                         codeManTab.Write (writer);\r
 324                         vtab.Write (writer);\r
 325                         jumps.Write (writer);\r
 326 \r
 327                         // Managed Native Code.\r
 328                         eeInfo.Write (writer);\r
 329                         helper.Write (writer);\r
 330                         dynInfo.Write (writer);\r
 331                         delayInfo.Write (writer);\r
 332                         modImg.Write (writer);\r
 333                         extFixups.Write (writer);\r
 334                         ridMap.Write (writer);\r
 335                         dbgMap.Write (writer);\r
 336 \r
 337                         // obsolete?\r
 338                         ipMap.Write (writer);\r
 339                 }\r
 340 \r
 341 \r
 342                 public void Dump(TextWriter writer)\r
 343                 {\r
 344                         writer.WriteLine(String.Format (\r
 345                                 "Header Size                : {0}"  + Environment.NewLine +\r
 346                                 "Runtime Version            : {1}"  + Environment.NewLine +\r
 347                                 "MetaData Root              : {2}"  + Environment.NewLine +\r
 348                                 "Flags                      : {3}"  + Environment.NewLine +\r
 349                                 "Entry Point Token          : {4}"  + Environment.NewLine +\r
 350                                 "Resources                  : {5}"  + Environment.NewLine +\r
 351                                 "Strong Name Signature      : {6}"  + Environment.NewLine +\r
 352                                 "Code Manager Table         : {7}"  + Environment.NewLine +\r
 353                                 "VTable Fixups              : {8}"  + Environment.NewLine +\r
 354                                 "Export Address Table Jumps : {9}"  + Environment.NewLine +\r
 355                                 "EE Info Table              : {10}"  + Environment.NewLine +\r
 356                                 "Helper Table               : {11}"  + Environment.NewLine +\r
 357                                 "Dynamic Info               : {12}"  + Environment.NewLine +\r
 358                                 "Delay Load Info            : {13}"  + Environment.NewLine +\r
 359                                 "Module Image               : {14}"  + Environment.NewLine +\r
 360                                 "External Fixups            : {15}"  + Environment.NewLine +\r
 361                                 "Rid Map                    : {16}"  + Environment.NewLine +\r
 362                                 "Debug Map                  : {17}"  + Environment.NewLine +\r
 363                                 "IP Map                     : {18}"  + Environment.NewLine +\r
 364                                 "Runtime Major              : {19}"  + Environment.NewLine +\r
 365                                 "Runtime Minor              : {20}" + Environment.NewLine,\r
 366                                 cb,\r
 367                                 RuntimeVersion,\r
 368                                 meta, null, EntryPointToken,\r
 369                                 rsrc, strongSig,\r
 370                                 codeManTab, vtab, jumps,\r
 371                                 eeInfo, helper, dynInfo, delayInfo, modImg, extFixups,\r
 372                                 ridMap, dbgMap, ipMap, MajorRuntimeVersion, MinorRuntimeVersion\r
 373                         ));\r
 374                         \r
 375                 }\r
 376 \r
 377                 /// <summary>\r
 378                 /// </summary>\r
 379                 /// <returns></returns>\r
 380                 public override string ToString() {\r
 381                         StringWriter sw = new StringWriter();\r
 382                         Dump(sw);\r
 383                         return sw.ToString();\r
 384                 }\r
 385 \r
 386 \r
 387         }\r
 388 }\r