mcs/class/Mono.PEToolkit/Section.cs

   1 \r
   2 //\r
   3 // Permission is hereby granted, free of charge, to any person obtaining\r
   4 // a copy of this software and associated documentation files (the\r
   5 // "Software"), to deal in the Software without restriction, including\r
   6 // without limitation the rights to use, copy, modify, merge, publish,\r
   7 // distribute, sublicense, and/or sell copies of the Software, and to\r
   8 // permit persons to whom the Software is furnished to do so, subject to\r
   9 // the following conditions:\r
  10 // \r
  11 // The above copyright notice and this permission notice shall be\r
  12 // included in all copies or substantial portions of the Software.\r
  13 // \r
  14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  17 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
  18 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
  19 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
  20 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  21 //\r
  22 /*\r
  23  * Copyright (c) 2002 Sergey Chaban <serge@wildwestsoftware.com>\r
  24  */\r
  25 \r
  26 using System;\r
  27 using System.IO;\r
  28 using System.Text;\r
  29 using System.Runtime.InteropServices;\r
  30 \r
  31 namespace Mono.PEToolkit {\r
  32 \r
  33         public class Section {\r
  34 \r
  35                 // IMAGE_SECTION_HEADER\r
  36                 protected class Header {\r
  37                         internal uint  phAddr_virtSize;\r
  38                         internal RVA   virtAddr;\r
  39                         internal uint  rawSize;\r
  40                         internal RVA   rawDataPtr;\r
  41                         internal RVA   relocPtr;\r
  42                         internal RVA   lineNumPtr;\r
  43                         internal short relocNum;\r
  44                         internal short linenumNum;\r
  45                         internal SectionCharacteristics flags;\r
  46                         \r
  47                         public Header (BinaryReader reader)\r
  48                         {\r
  49                                 Read (reader);\r
  50                         }\r
  51 \r
  52                         public void Read (BinaryReader reader)\r
  53                         {\r
  54                                 phAddr_virtSize = reader.ReadUInt32 ();\r
  55                                 virtAddr = new RVA (reader.ReadUInt32 ());\r
  56                                 rawSize = reader.ReadUInt32 ();\r
  57                                 rawDataPtr = new RVA (reader.ReadUInt32 ());\r
  58                                 relocPtr = new RVA (reader.ReadUInt32 ());\r
  59                                 lineNumPtr = new RVA (reader.ReadUInt32 ());\r
  60                                 relocNum = reader.ReadInt16 ();\r
  61                                 linenumNum = reader.ReadInt16 ();\r
  62                                 flags = (SectionCharacteristics) reader.ReadUInt32 ();\r
  63                         }\r
  64                         \r
  65                         public void Write (BinaryWriter writer)\r
  66                         {\r
  67                                 writer.Write (phAddr_virtSize);\r
  68                                 virtAddr.Write (writer);\r
  69                                 writer.Write (rawSize);\r
  70                                 rawDataPtr.Write (writer);\r
  71                                 relocPtr.Write (writer);\r
  72                                 lineNumPtr.Write (writer);\r
  73                                 writer.Write (relocNum);\r
  74                                 writer.Write (linenumNum);\r
  75                                 writer.Write ((uint) flags);\r
  76                         }\r
  77                 }\r
  78 \r
  79                 private string name;\r
  80                 private Header hdr;\r
  81 \r
  82                 public readonly static Section Invalid;\r
  83 \r
  84                 static Section()\r
  85                 {\r
  86                         Invalid = new Section();\r
  87                 }\r
  88 \r
  89                 public Section()\r
  90                 {\r
  91                 }\r
  92 \r
  93 \r
  94                 public string Name {\r
  95                         get {\r
  96                                 return name;\r
  97                         }\r
  98                         set {\r
  99                                 name = value;\r
 100                         }\r
 101                 }\r
 102 \r
 103 \r
 104                 public uint PhysicalAddress {\r
 105                         get {\r
 106                                 return hdr.phAddr_virtSize;\r
 107                         }\r
 108                         set {\r
 109                                 hdr.phAddr_virtSize = value;\r
 110                         }\r
 111                 }\r
 112 \r
 113                 public uint VirtualSize {\r
 114                         get {\r
 115                                 return hdr.phAddr_virtSize;\r
 116                         }\r
 117                         set {\r
 118                                 hdr.phAddr_virtSize = value;\r
 119                         }\r
 120                 }\r
 121 \r
 122                 public RVA VirtualAddress {\r
 123                         get {\r
 124                                 return hdr.virtAddr;\r
 125                         }\r
 126                         set {\r
 127                                 hdr.virtAddr = value;\r
 128                         }\r
 129                 }\r
 130 \r
 131                 public uint SizeOfRawData {\r
 132                         get {\r
 133                                 return hdr.rawSize;\r
 134                         }\r
 135                         set {\r
 136                                 hdr.rawSize = value;\r
 137                         }\r
 138                 }\r
 139 \r
 140                 public RVA PointerToRawData {\r
 141                         get {\r
 142                                 return hdr.rawDataPtr;\r
 143                         }\r
 144                         set {\r
 145                                 hdr.rawDataPtr = value;\r
 146                         }\r
 147                 }\r
 148                 \r
 149                 public RVA PointerToRelocations {\r
 150                         get {\r
 151                                 return hdr.relocPtr;\r
 152                         }\r
 153                         set {\r
 154                                 hdr.relocPtr = value;\r
 155                         }\r
 156                 }\r
 157                 \r
 158                 public RVA PointerToLinenumbers {\r
 159                         get {\r
 160                                 return hdr.lineNumPtr;\r
 161                         }\r
 162                         set {\r
 163                                 hdr.lineNumPtr = value;\r
 164                         }\r
 165                 }\r
 166                 \r
 167                 public short NumberOfRelocations {\r
 168                         get {\r
 169                                 return hdr.relocNum;\r
 170                         }\r
 171                         set {\r
 172                                 hdr.relocNum = value;\r
 173                         }\r
 174                 }\r
 175                 \r
 176                 public short NumberOfLinenumbers {\r
 177                         get {\r
 178                                 return hdr.linenumNum;\r
 179                         }\r
 180                         set {\r
 181                                 hdr.linenumNum = value;\r
 182                         }\r
 183                 }\r
 184                 \r
 185                 public SectionCharacteristics Characteristics {\r
 186                         get {\r
 187                                 return hdr.flags;\r
 188                         }\r
 189                         set {\r
 190                                 hdr.flags = value;\r
 191                         }\r
 192                 }\r
 193 \r
 194                 /// <summary>\r
 195                 /// </summary>\r
 196                 public void Read(BinaryReader reader)\r
 197                 {\r
 198                         char[] pName = new char[8];\r
 199                         int len = 0;\r
 200 \r
 201                         for (len = 0; len<8; len++) {\r
 202                                 sbyte c = reader.ReadSByte();\r
 203                                 if (c == 0) \r
 204                                         break;\r
 205                                 pName[len] = (char) c;\r
 206                         }\r
 207 \r
 208                         if (len == 0)\r
 209                                 name = String.Empty;\r
 210                         else\r
 211                                 name = new String (pName);                      \r
 212 \r
 213                         reader.BaseStream.Position += 8 - len - 1;\r
 214 \r
 215                         hdr = new Header (reader);\r
 216                 }\r
 217 \r
 218                 public void Write (BinaryWriter writer)\r
 219                 {\r
 220                         sbyte[] name_bytes =  new sbyte[8];\r
 221         \r
 222                         for (int i=0; i<name.Length; i++)\r
 223                                 writer.Write ((sbyte) name[i]);\r
 224                         \r
 225                         for (int i=name.Length; i<8; i++)\r
 226                                 writer.Write ((sbyte) 0);\r
 227 \r
 228                         hdr.Write (writer);\r
 229                 }\r
 230 \r
 231         }\r
 232 \r
 233 }\r
 234 \r