Re: Question on BIGGEST_ALIGNMENT in GCC on NetBSD/m68k

On Mon, 16 Jun 2025, Jason Thorpe wrote:

> 
> > On Jun 16, 2025, at 2:10 AM, Laurent Vivier <[email protected]> wrote:
> > 
> > I think you need to change the ABI type in the ELF header: 
> > https://fr.wikipedia.org/wiki/Executable_and_Linkable_Format
> 
> 4-byte alignment binaries should have ELFOSABI_SYSV (0) (since that ABI 
> spec is where the 4 byte alignment comes from).  If Linux/m68k is 
> already using that, then those binaries are broken by definition.
> 
> Let’s hope existing Linux/m68k binaries are using ELFOSABI_LINUX / 
> ELFOSABI_GNU (3) (sorry, I don’t have any handy to check).
> 
> If the existing binaries correctly label themselves has having the 
> Linux-specific ABI, then this is trivial and there’s no reason to use a 
> note to differentiate them.
> 

Do you know of a good solution for this open bug?
https://sourceware.org/bugzilla/show_bug.cgi?id=30273