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;
}
private static MetadataHeader/*!*/ ReadMetadataHeader(MemoryCursor/*!*/ c)
{
MetadataHeader header = new MetadataHeader();
header.signature = c.ReadInt32();
if (header.signature != 0x424a5342)
throw new InvalidMetadataException(ExceptionStrings.BadMetadataHeaderSignature);
header.majorVersion = c.ReadUInt16();
header.minorVersion = c.ReadUInt16();
header.reserved = c.ReadInt32();
int len = c.ReadInt32();
header.versionString = c.ReadASCII(len);
while (len++ % 4 != 0) c.ReadByte();
header.flags = c.ReadUInt16();
int n = c.ReadUInt16();
StreamHeader[] streamHeaders = header.streamHeaders = new StreamHeader[n];
for (int i = 0; i < n; i++)
streamHeaders[i] = ReadStreamHeader(c);
return header;
}
private static int ReadWin32ResourceDirectoryHeader(MemoryCursor/*!*/ c)
{
c.ReadInt32(); //Characteristics
c.ReadInt32(); //TimeDate stamp
c.ReadInt32(); //Version
int numberOfNamedEntries = c.ReadUInt16();
int numberOfIdEntries = c.ReadUInt16();
return numberOfNamedEntries + numberOfIdEntries;
}
internal Win32ResourceList ReadWin32Resources()
{
Win32ResourceList rs = new Win32ResourceList();
int startPos = this.win32ResourcesOffset;
if (startPos < 0) return rs;
MemoryCursor c = this.cursor;
c.Position = startPos;
int sizeOfTypeDirectory = ReadWin32ResourceDirectoryHeader(c);
for (int i = 0; i < sizeOfTypeDirectory; i++)
{
string TypeName = null;
int TypeID = c.ReadInt32();
if (TypeID < 0)
{
MemoryCursor nac = new MemoryCursor(c);
nac.Position = startPos + (TypeID & 0x7FFFFFFF);
int strLength = nac.ReadUInt16();
TypeName = nac.ReadUTF16(strLength);
}
int offset = c.ReadInt32();
if (offset >= 0)
rs.Add(this.ReadWin32ResourceDataEntry(c, startPos + offset, TypeName, TypeID, null, 0, 0));
else
{
MemoryCursor nc = new MemoryCursor(c);
nc.Position = startPos + (offset & 0x7FFFFFFF);
int sizeOfNameDirectory = ReadWin32ResourceDirectoryHeader(nc);
for (int j = 0; j < sizeOfNameDirectory; j++)
{
string Name = null;
int ID = nc.ReadInt32();
if (ID < 0)
{
MemoryCursor nac = new MemoryCursor(c);
int strLength = nac.ReadUInt16();
Name = nac.ReadUTF16(strLength);
}
offset = nc.ReadInt32();
if (offset >= 0)
rs.Add(this.ReadWin32ResourceDataEntry(c, startPos + offset, TypeName, TypeID, Name, ID, 0));
else
{
MemoryCursor lc = new MemoryCursor(c);
lc.Position = startPos + (offset & 0x7FFFFFFF);
int sizeOfLanguageDirectory = ReadWin32ResourceDirectoryHeader(lc);
for (int k = 0; k < sizeOfLanguageDirectory; k++)
{
int LanguageID = lc.ReadInt32();
offset = lc.ReadInt32();
rs.Add(this.ReadWin32ResourceDataEntry(c, startPos + offset, TypeName, TypeID, Name, ID, LanguageID));
}
}
}
}
}
return rs;
}
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);
}
private AttributeNode GetCustomAttribute(Method/*!*/ cons, MemoryCursor/*!*/ sigReader, int blobLength)
{
AttributeNode attr = new AttributeNode();
attr.Constructor = new MemberBinding(null, cons);
int n = cons.Parameters == null ? 0 : cons.Parameters.Count;
ExpressionList arguments = attr.Expressions = new ExpressionList();
int posAtBlobStart = sigReader.Position;
sigReader.ReadUInt16(); //Prolog
for (int j = 0; j < n; j++)
{
TypeNode t = TypeNode.StripModifiers(cons.Parameters[j].Type);
if (t == null) continue;
TypeNode/*!*/ pt = t;
object val = null;
try
{
val = this.GetCustomAttributeLiteralValue(sigReader, ref pt);
}
catch (Exception e)
{
if (this.module.MetadataImportErrors == null) this.module.MetadataImportErrors = new ArrayList();
this.module.MetadataImportErrors.Add(e);
}
Literal lit = val as Literal;
if (lit == null) lit = new Literal(val, pt);
arguments.Add(lit);
}
if (sigReader.Position + 1 < posAtBlobStart + blobLength)
{
ushort numNamed = sigReader.ReadUInt16();
this.GetCustomAttributeNamedArguments(arguments, numNamed, sigReader);
}
return attr;
}
