From: "Theo de Raadt" <deraadt@openbsd.org>
Subject: Re: llvm/sparc64: match BFD -N alignment
To: mark.kettenis@xs4all.nl, semarie@online.fr, robert@openbsd.org, tech@openbsd.org
Date: Tue, 18 Aug 2026 08:46:45 -0600

Kirill A. Korinsky <kirill@korins.ky> wrote:

> On Tue, 18 Aug 2026 15:23:25 +0200,
> Mark Kettenis <mark.kettenis@xs4all.nl> wrote:
> > 
> > > Date: Tue, 18 Aug 2026 15:18:01 +0200
> > > From: "Kirill A. Korinsky" <kirill@korins.ky>
> > > 
> > > Robert, Sebastien,
> > > 
> > > BFD aligns nonpaged PT_LOAD segments to their maximum contained section
> > > alignment. Do the same for SPARCV9 instead of retaining the 1 MiB maximum
> > > page alignment.
> > > 
> > > This removes roughly 1 MiB of leading padding from ofwboot without changing
> > > its load address or memory layout.
> > > 
> > > Here diff for the base and llvm/22 in ports.
> > > 
> > > Ok?
> > 
> > This is questionable.  What problem are you trying to solve?
> >
> 
> Size for floppy, ramdiskB and so on.
> 
> Without it, ramdiskB won't fit.

OK deraadt, but now that it's serious kettenis may have other nits.
The conditions look correct to me and I don't think anything outside
sys/arch/sparc64/stand uses the ld options which use this so the effects
are tightly constrained.