Re: sanitizers broken (was RE: libc/libsys split coming soon) [errno in libsys: any analogy to __elf_aux_vector ?]

Brooks Davis <brooks_at_freebsd.org> wrote on
Date: Thu, 22 Feb 2024 02:03:09 UTC :

> On Thu, Feb 22, 2024 at 02:57:13AM +0200, Konstantin Belousov wrote:
> > On Wed, Feb 21, 2024 at 08:20:25PM +0000, Brooks Davis wrote:
> > > That's probably worth a shot. Static linking will work anyway because
> > > libc.a in effect embeds libsys to retain compatability.
> > Please do not add libsys.so to the ABI. Right now it is an implementation
> > detail of libthr and libc, and it is preferable to not change it, at least
> > not yet, and definitely not to solve some minor internal issues.
> 
> Indeed, on further reflection I agree. Another option occured to me
> which I intend to persue tomorrow: explicitly link the sanitizer .so
> files with libsys. At least in the base system that should be straight
> foward.

Does the errno move to libsys have any problems similar to
the __elf_aux_vector move to libsys --that might also lead
to needing -lsys (for things as the are now)?

For reference:
https://lists.freebsd.org/archives/dev-commits-src-main/2024-February/022025.html

===
Mark Millard
marklmi at yahoo.com