public UInt16 Write(Stream stream, HeaderIdentityClass EI_CLASS)
{
UInt16 headerLength = 0;
headerLength += stream.WriteWord((UInt32)SH_NAME);
headerLength += stream.WriteWord((UInt32)SH_TYPE);
headerLength += stream.WriteWord((UInt32)SH_FLAGS);
headerLength += stream.WriteAddress32(SH_ADDR);
headerLength += stream.WriteOffset32(SH_OFFSET);
headerLength += stream.WriteWord((UInt32)SH_SIZE);
headerLength += stream.WriteWord((UInt32)SH_LINK);
headerLength += stream.WriteWord((UInt32)SH_INFO);
headerLength += stream.WriteWord((UInt32)SH_ADDRALIGN);
headerLength += stream.WriteWord((UInt32)SH_ENTSIZE);
return(headerLength);
}
public void Read(Stream stream)
{
var magic = new byte[MAGIC.Length];
stream.Read(magic);
if (!MAGIC.SequenceEqual(magic))
{
throw new BadImageFormatException("Magic value is not present for an ELF file");
}
EI_CLASS = stream.ReadByteAndParse <HeaderIdentityClass>(HeaderIdentityClass.ELFCLASSNONE);
EI_DATA = stream.ReadByteAndParse <HeaderIdentityData>(HeaderIdentityData.ELFDATANONE);
EI_VERSION = stream.ReadByteAndParse <HeaderIdentityVersion>(HeaderIdentityVersion.EI_CURRENT);
EI_OSABI = stream.ReadByteAndParse <HeaderOsAbiVersion>(HeaderOsAbiVersion.ELFOSABI_NONE);
EI_ABIVERSION = (byte)stream.ReadByte();
stream.Seek(16, SeekOrigin.Begin);
E_TYPE = stream.ReadHalfWord <HeaderType>(HeaderType.ET_NONE);
E_MACHINE = stream.ReadHalfWord <HeaderMachine>(HeaderMachine.EM_NONE);
E_VERSION = stream.ReadWord <HeaderVersion>(HeaderVersion.EV_NONE);
E_ENTRY = stream.ReadAddress32();
E_PHOFF = stream.ReadOffset32();
E_SHOFF = stream.ReadOffset32();
E_FLAGS = stream.ReadUInt32();
E_EHSIZE = stream.ReadUInt16();
E_PHENTSIZE = stream.ReadUInt16();
E_PHNUM = stream.ReadUInt16();
E_SHENTSIZE = stream.ReadUInt16();
E_SHNUM = stream.ReadUInt16();
E_SHSTRNDX = stream.ReadUInt16();
if (E_EHSIZE != stream.Position && E_EHSIZE != 64)
{
throw new InvalidOperationException("E_EHSIZE does not equal the current reader position");
}
}