Re: Question on BIGGEST_ALIGNMENT in GCC on NetBSD/m68k

[Laurent Vivier <laurent@vivier.eu>]

Le 16/06/2025 à 11:32, John Paul Adrian Glaubitz a écrit :
> On Mon, 2025-06-16 at 11:26 +0200, Laurent Vivier wrote:
> > > > 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
> > >
> > > How does binfmt_misc handle the various MIPS ABIs then?
> >
> > It doesn't and it's a problem.
>
> Very interesting. Is there a bug report for that?

It’s not a bug in binfmt_misc. binfmt_misc is simply a loader that picks 
an interpreter based on a file’s signature.

The problem comes from a poor design choice in MIPS, which chose to use 
the same ABI type identifier for different ABI variants.

Thanks,
Laurent