Beispiel #1
0
        internal static NTHeader/*!*/ ReadNTHeader(MemoryCursor/*!*/ c)
        {
            NTHeader header = new NTHeader();
            header.signature = c.ReadInt32();
            header.machine = c.ReadUInt16();
            header.numberOfSections = c.ReadUInt16();
            header.timeDateStamp = c.ReadInt32();
            header.pointerToSymbolTable = c.ReadInt32();
            header.numberOfSymbols = c.ReadInt32();
            header.sizeOfOptionalHeader = c.ReadUInt16();
            header.characteristics = c.ReadUInt16();
            header.magic = c.ReadUInt16();
            header.majorLinkerVersion = c.ReadByte();
            header.minorLinkerVersion = c.ReadByte();
            header.sizeOfCode = c.ReadInt32();
            header.sizeOfInitializedData = c.ReadInt32();
            header.sizeOfUninitializedData = c.ReadInt32();
            header.addressOfEntryPoint = c.ReadInt32();
            header.baseOfCode = c.ReadInt32();
            if (header.magic == 0x10B)
            {
                header.baseOfData = c.ReadInt32();
                header.imageBase = c.ReadInt32();
            }
            else
            {
                header.baseOfData = 0;
                header.imageBase = c.ReadInt64();
            }
            header.sectionAlignment = c.ReadInt32();
            header.fileAlignment = c.ReadInt32();
            header.majorOperatingSystemVersion = c.ReadUInt16();
            header.minorOperatingSystemVersion = c.ReadUInt16();
            header.majorImageVersion = c.ReadUInt16();
            header.minorImageVersion = c.ReadUInt16();
            header.majorSubsystemVersion = c.ReadUInt16();
            header.minorSubsystemVersion = c.ReadUInt16();
            header.win32VersionValue = c.ReadInt32();
            header.sizeOfImage = c.ReadInt32();
            header.sizeOfHeaders = c.ReadInt32();
            header.checkSum = c.ReadInt32();
            header.subsystem = c.ReadUInt16();
            header.dllCharacteristics = c.ReadUInt16();
            if (header.magic == 0x10B)
            {
                header.sizeOfStackReserve = c.ReadInt32();
                header.sizeOfStackCommit = c.ReadInt32();
                header.sizeOfHeapReserve = c.ReadInt32();
                header.sizeOfHeapCommit = c.ReadInt32();
            }
            else
            {
                header.sizeOfStackReserve = c.ReadInt64();
                header.sizeOfStackCommit = c.ReadInt64();
                header.sizeOfHeapReserve = c.ReadInt64();
                header.sizeOfHeapCommit = c.ReadInt64();
            }
            header.loaderFlags = c.ReadInt32();
            header.numberOfDataDirectories = c.ReadInt32();

            // Verify that the header signature and magic number are valid
            if (header.signature != 0x00004550 /* "PE\0\0" */)
                throw new InvalidMetadataException(ExceptionStrings.BadCOFFHeaderSignature);
            if (header.magic != 0x010B && header.magic != 0x020B)
                throw new InvalidMetadataException(ExceptionStrings.BadPEHeaderMagicNumber);

            //Read the data directories
            header.exportTable = ReadDirectoryEntry(c);
            header.importTable = ReadDirectoryEntry(c);
            header.resourceTable = ReadDirectoryEntry(c);
            header.exceptionTable = ReadDirectoryEntry(c);
            header.certificateTable = ReadDirectoryEntry(c);
            header.baseRelocationTable = ReadDirectoryEntry(c);
            header.debugTable = ReadDirectoryEntry(c);
            header.copyrightTable = ReadDirectoryEntry(c);
            header.globalPointerTable = ReadDirectoryEntry(c);
            header.threadLocalStorageTable = ReadDirectoryEntry(c);
            header.loadConfigTable = ReadDirectoryEntry(c);
            header.boundImportTable = ReadDirectoryEntry(c);
            header.importAddressTable = ReadDirectoryEntry(c);
            header.delayImportTable = ReadDirectoryEntry(c);
            header.cliHeaderTable = ReadDirectoryEntry(c);
            header.reserved = ReadDirectoryEntry(c);

            return header;
        }
Beispiel #2
0
 private static TablesHeader/*!*/ ReadTablesHeader(MemoryCursor/*!*/ c)
 {
     TablesHeader header = new TablesHeader();
     header.reserved = c.ReadInt32(); // Must be zero
     header.majorVersion = c.ReadByte();  // Must be one
     header.minorVersion = c.ReadByte();  // Must be zero
     header.heapSizes = c.ReadByte();  // Bits for heap sizes
     header.rowId = c.ReadByte();  // log-base-2 of largest rowId
     header.maskValid = c.ReadInt64(); // Present table counts
     header.maskSorted = c.ReadInt64(); // Sorted tables
     int n = 0;
     ulong mask = (ulong)header.maskValid;
     while (mask != 0)
     {
         if (mask % 2 == 1) n++;
         mask /= 2;
     }
     int[] countArray = header.countArray = new int[n];
     for (int i = 0; i < n; i++)
         countArray[i] = c.ReadInt32();
     return header;
 }
Beispiel #3
0
 private object GetCustomAttributeLiteralValue(MemoryCursor/*!*/ sigReader, ref TypeNode/*!*/ type)
 {
     if (type == null) return sigReader.ReadInt32();
     switch (type.typeCode)
     {
         case ElementType.Boolean: return sigReader.ReadBoolean();
         case ElementType.Char: return sigReader.ReadChar();
         case ElementType.Double: return sigReader.ReadDouble();
         case ElementType.Single: return sigReader.ReadSingle();
         case ElementType.Int16: return sigReader.ReadInt16();
         case ElementType.Int32: return sigReader.ReadInt32();
         case ElementType.Int64: return sigReader.ReadInt64();
         case ElementType.Int8: return sigReader.ReadSByte();
         case ElementType.UInt16: return sigReader.ReadUInt16();
         case ElementType.UInt32: return sigReader.ReadUInt32();
         case ElementType.UInt64: return sigReader.ReadUInt64();
         case ElementType.UInt8: return sigReader.ReadByte();
         case ElementType.String: return ReadSerString(sigReader);
         case ElementType.ValueType:
             EnumNode etype = GetCustomAttributeEnumNode(ref type);
             return this.GetCustomAttributeLiteralValue(sigReader, etype.UnderlyingType);
         case ElementType.Class: return this.GetTypeFromSerializedName(ReadSerString(sigReader));
         case ElementType.SzArray:
             int numElems = sigReader.ReadInt32();
             TypeNode elemType = ((ArrayType)type).ElementType;
             return this.GetCustomAttributeLiteralArray(sigReader, numElems, elemType);
         case ElementType.Object:
             {
                 type = this.ParseTypeSignature(sigReader);
                 return this.GetCustomAttributeLiteralValue(sigReader, ref type);
             }
     }
     throw new InvalidMetadataException(ExceptionStrings.UnexpectedTypeInCustomAttribute);
 }