void MoveTo (DataDirectory directory)
{
BaseStream.Position = image.ResolveVirtualAddress (directory.VirtualAddress);
}
void ReadCLIHeader ()
{
MoveTo (cli);
// - CLIHeader
// Cb 4
// MajorRuntimeVersion 2
// MinorRuntimeVersion 2
Advance (8);
// Metadata 8
metadata = ReadDataDirectory ();
// Flags 4
image.Attributes = (ModuleAttributes) ReadUInt32 ();
// EntryPointToken 4
image.EntryPointToken = ReadUInt32 ();
// Resources 8
image.Resources = ReadDataDirectory ();
// StrongNameSignature 8
// CodeManagerTable 8
// VTableFixups 8
// ExportAddressTableJumps 8
// ManagedNativeHeader 8
}
void ReadOptionalHeaders (out ushort subsystem)
{
// - PEOptionalHeader
// - StandardFieldsHeader
// Magic 2
bool pe64 = ReadUInt16 () == 0x20b;
// pe32 || pe64
// LMajor 1
// LMinor 1
// CodeSize 4
// InitializedDataSize 4
// UninitializedDataSize4
// EntryPointRVA 4
// BaseOfCode 4
// BaseOfData 4 || 0
// - NTSpecificFieldsHeader
// ImageBase 4 || 8
// SectionAlignment 4
// FileAlignement 4
// OSMajor 2
// OSMinor 2
// UserMajor 2
// UserMinor 2
// SubSysMajor 2
// SubSysMinor 2
// Reserved 4
// ImageSize 4
// HeaderSize 4
// FileChecksum 4
Advance (66);
// SubSystem 2
subsystem = ReadUInt16 ();
// DLLFlags 2
// StackReserveSize 4 || 8
// StackCommitSize 4 || 8
// HeapReserveSize 4 || 8
// HeapCommitSize 4 || 8
// LoaderFlags 4
// NumberOfDataDir 4
// - DataDirectoriesHeader
// ExportTable 8
// ImportTable 8
// ResourceTable 8
// ExceptionTable 8
// CertificateTable 8
// BaseRelocationTable 8
Advance (pe64 ? 90 : 74);
// Debug 8
image.Debug = ReadDataDirectory ();
// Copyright 8
// GlobalPtr 8
// TLSTable 8
// LoadConfigTable 8
// BoundImport 8
// IAT 8
// DelayImportDescriptor8
Advance (56);
// CLIHeader 8
cli = ReadDataDirectory ();
if (cli.IsZero)
throw new BadImageFormatException ();
// Reserved 8
Advance (8);
}
public void WriteDataDirectory (DataDirectory directory)
{
Write (directory.VirtualAddress);
Write (directory.Size);
}
void MoveTo(DataDirectory directory)
{
BaseStream.Position = image.ResolveVirtualAddress(directory.VirtualAddress);
}
void ReadOptionalHeaders(out ushort subsystem)
{
// - PEOptionalHeader
// - StandardFieldsHeader
// Magic 2
bool pe64 = ReadUInt16() == 0x20b;
// pe32 || pe64
// LMajor 1
// LMinor 1
// CodeSize 4
// InitializedDataSize 4
// UninitializedDataSize4
// EntryPointRVA 4
// BaseOfCode 4
// BaseOfData 4 || 0
// - NTSpecificFieldsHeader
// ImageBase 4 || 8
// SectionAlignment 4
// FileAlignement 4
// OSMajor 2
// OSMinor 2
// UserMajor 2
// UserMinor 2
// SubSysMajor 2
// SubSysMinor 2
// Reserved 4
// ImageSize 4
// HeaderSize 4
// FileChecksum 4
Advance(66);
// SubSystem 2
subsystem = ReadUInt16();
// DLLFlags 2
// StackReserveSize 4 || 8
// StackCommitSize 4 || 8
// HeapReserveSize 4 || 8
// HeapCommitSize 4 || 8
// LoaderFlags 4
// NumberOfDataDir 4
// - DataDirectoriesHeader
// ExportTable 8
// ImportTable 8
// ResourceTable 8
// ExceptionTable 8
// CertificateTable 8
// BaseRelocationTable 8
Advance(pe64 ? 90 : 74);
// Debug 8
image.Debug = ReadDataDirectory();
// Copyright 8
// GlobalPtr 8
// TLSTable 8
// LoadConfigTable 8
// BoundImport 8
// IAT 8
// DelayImportDescriptor8
Advance(56);
// CLIHeader 8
cli = ReadDataDirectory();
if (cli.IsZero)
{
throw new BadImageFormatException();
}
// Reserved 8
Advance(8);
}