internal CLRMetaDataHeader(CLRMetaData metaData)
{
LocationCalculator calc = metaData.CLR.DataDirectory.Directories.Image.GetCalculator();
Stream stream = metaData.CLR.DataDirectory.Directories.Image.GetStream();
ulong image_base = metaData.CLR.DataDirectory.Directories.Image.NTHeaders.OptionalHeader.ImageBase;
uint rva = metaData.Location.RelativeVirtualAddress;
ulong va = metaData.Location.VirtualAddress;
ulong offset = metaData.Location.FileOffset;
uint size = 0;
Section section = metaData.Location.Section;
stream.Seek(offset.ToInt64(), SeekOrigin.Begin);
MetaData = metaData;
Signature = Utils.ReadUInt32(stream);
if (Signature != CLR_METADATA_SIGNATURE)
throw new ExecutableImageException("Incorrect signature found in CLR meta-data header.");
MajorVersion = Utils.ReadUInt16(stream);
MinorVersion = Utils.ReadUInt16(stream);
Reserved = Utils.ReadUInt32(stream);
VersionLength = Utils.ReadUInt32(stream);
Version = Utils.ReadString(stream, VersionLength);
Flags = Utils.ReadUInt16(stream);
Streams = Utils.ReadUInt16(stream);
size = sizeof(uint) + sizeof(ushort) + sizeof(ushort) + sizeof(uint) + sizeof(uint) + VersionLength + sizeof(ushort) + sizeof(ushort);
Location = new Location(offset, rva, va, size, size, section);
}
public static CLRMetaData Get(CLRHeader header)
{
LocationCalculator calc = header.CLR.DataDirectory.Directories.Image.GetCalculator();
ulong image_base = header.CLR.DataDirectory.Directories.Image.NTHeaders.OptionalHeader.ImageBase;
uint rva = header.MetaDataAddress;
ulong va = image_base + rva;
ulong offset = calc.RVAToOffset(rva);
uint size = header.MetaDataSize;
Section section = calc.RVAToSection(rva);
Location location = new Location(offset, rva, va, size, size, section);
CLRMetaData meta_data = new CLRMetaData(header.CLR, location, header);
return meta_data;
}
