Re: Question on BIGGEST_ALIGNMENT in GCC on NetBSD/m68k

Le 16/06/2025 à 11:00, John Paul Adrian Glaubitz a écrit :
>> And there will be a problem with binfmt_misc because we can't rely on
>> the ELF signature to know which qemu-user to run, the one with 2byte
>> alignment or the one with 4byte alignment?
> What about the ELF note [1] that David Brownlee suggested? Can these be used?
> 
> Adrian
> 
>> [1]https://www.netbsd.org/docs/kernel/elf-notes.html

binfmt_misc doesn't use the sections to select the interpreter, but the 
128 first bytes of the file.

I think you need to change the ABI type in the ELF header:
https://fr.wikipedia.org/wiki/Executable_and_Linkable_Format

Thanks,
Laurent