On Fri, 12 May 2023 at 19:05, Uros Bizjak wrote:
>
> On Fri, May 12, 2023 at 4:07 PM Ard Biesheuvel wrote:
>
> > > > > > Note that the GOT reference in question is in fact a data
> > > > > > reference: we
> > > > > > explicitly load the address of __fentry__ from the GOT, which
> > > > > > amou
On Fri, May 12, 2023 at 4:07 PM Ard Biesheuvel wrote:
> > > > > Note that the GOT reference in question is in fact a data reference:
> > > > > we
> > > > > explicitly load the address of __fentry__ from the GOT, which amounts
> > > > > to
> > > > > eager binding, rather than emitting a PLT call
On Thu, 11 May 2023 at 08:08, Uros Bizjak wrote:
>
> On Thu, May 11, 2023 at 12:04 AM H.J. Lu wrote:
> >
> > On Wed, May 10, 2023 at 2:17 AM Uros Bizjak wrote:
> > >
> > > On Tue, May 9, 2023 at 10:58 AM Ard Biesheuvel wrote:
> > > >
> > > > The small and medium PIC code models generate profili
On Thu, May 11, 2023 at 12:04 AM H.J. Lu wrote:
>
> On Wed, May 10, 2023 at 2:17 AM Uros Bizjak wrote:
> >
> > On Tue, May 9, 2023 at 10:58 AM Ard Biesheuvel wrote:
> > >
> > > The small and medium PIC code models generate profiling calls that
> > > always load the address of __fentry__() via th
On Wed, May 10, 2023 at 2:17 AM Uros Bizjak wrote:
>
> On Tue, May 9, 2023 at 10:58 AM Ard Biesheuvel wrote:
> >
> > The small and medium PIC code models generate profiling calls that
> > always load the address of __fentry__() via the GOT, even if
> > -mdirect-extern-access is in effect.
> >
> >
On Tue, May 9, 2023 at 10:58 AM Ard Biesheuvel wrote:
>
> The small and medium PIC code models generate profiling calls that
> always load the address of __fentry__() via the GOT, even if
> -mdirect-extern-access is in effect.
>
> This deviates from the behavior with respect to other external
> re
The small and medium PIC code models generate profiling calls that
always load the address of __fentry__() via the GOT, even if
-mdirect-extern-access is in effect.
This deviates from the behavior with respect to other external
references, and results in a longer opcode that relies on linker
relax
