[PATCH] arm: Prevent GCC from using VFP registers in code used during dynamic linking

Florian Weimer fweimer@redhat.com
Tue May 12 18:45:16 GMT 2026


* Adhemerval Zanella Netto:

> On 12/05/26 14:52, Joseph Myers wrote:
>> Note that I reported a version of this issue in 2013 as bug 15792 (at that 
>> time it was a bit more theoretical rather than observed to cause problems 
>> in practice).  In that bug I thought _dl_runtime_profile needed fixing as 
>> well.  (Since iWMMXt is long obsolete, the references to it in that bug 
>> can probably be ignored.)
>> 
>
> I will fix _dl_runtime_profile as well. I don't think it is worth to add ifunc
> variants for this; bindnow is being used more often than lazy-binding and
> _dl_runtime_profile should be be a hotspot for LD_PROFILE runs.

The TLS trampoline probably needs fixing, too.  Sorry.

Florian



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