ELF file format

[larsbrinkhoff]

Two possible variations on ELF executable files.

ELF64 would be the standard format with PDP-10 words padded out to 64 bits. Or maybe nonets padded out to 16 bits. Or all of the above plus halfwords padded to 32 bits, depending on the size of the field.

ELF36 would be like ELF32 but having four nonets per word instead of octets, which is what I believe @mikpe does in his pdp10-elf-tools.