private unsafe void WriteSectionHeader64()
{
var hdr = new Elf64_Ehdr();
ObjectFile.CopyIdentTo(new Span <byte>(hdr.e_ident, EI_NIDENT));
_encoder.Encode(out hdr.e_type, (ushort)ObjectFile.FileType);
_encoder.Encode(out hdr.e_machine, ObjectFile.Arch.Value);
_encoder.Encode(out hdr.e_version, EV_CURRENT);
_encoder.Encode(out hdr.e_entry, ObjectFile.EntryPointAddress);
_encoder.Encode(out hdr.e_ehsize, Layout.SizeOfElfHeader);
_encoder.Encode(out hdr.e_flags, (uint)ObjectFile.Flags);
// program headers
_encoder.Encode(out hdr.e_phoff, Layout.OffsetOfProgramHeaderTable);
_encoder.Encode(out hdr.e_phentsize, Layout.SizeOfProgramHeaderEntry);
_encoder.Encode(out hdr.e_phnum, (ushort)ObjectFile.Segments.Count);
// entries for sections
_encoder.Encode(out hdr.e_shoff, Layout.OffsetOfSectionHeaderTable);
_encoder.Encode(out hdr.e_shentsize, (ushort)sizeof(Elf64_Shdr));
_encoder.Encode(out hdr.e_shnum, (ushort)ObjectFile.VisibleSectionCount);
_encoder.Encode(out hdr.e_shstrndx, (ushort)(ObjectFile.SectionHeaderStringTable?.SectionIndex ?? (ushort)0));
Write(hdr);
}
