[PATCH v2 0/8] ELF-FDPIC support for ARM

Nicolas Pitre nicolas.pitre at linaro.org
Thu Aug 24 05:37:29 PDT 2017


On Thu, 24 Aug 2017, Vladimir Murzin wrote:

> On 23/08/17 17:41, Nicolas Pitre wrote:
> > On Thu, 17 Aug 2017, Russell King - ARM Linux wrote:
> > 
> >> On Thu, Aug 17, 2017 at 03:23:39AM -0400, Nicolas Pitre wrote:
> >>> This series provides the needed changes to suport the ELF_FDPIC binary
> >>> format on ARM. Both MMU and non-MMU systems are supported. This format
> >>> has many advantages over the BFLT format used on MMU-less systems, such
> >>> as being real ELF that can be parsed by standard tools, can support
> >>> shared dynamic libs, etc.
> >>
> >> I don't see anything issues from the core arch point of view with this,
> >> most of it looks straight forward, and the impact on existing users
> >> should be low.  However, it would be nice to get some acks (if possible)
> >> for the non-arch stuff and some tested-by's on this.
> > 
> > Well...
> > 
> > I did prod a few people for testing. Either they're on vacation, or not 
> > interested, but I've received no tested-by's nor ACK's what so ever at 
> > this point. I did test it myself of course, on both MMU and non-MMU 
> > targets, and with static and dynamic binaries.
> 
> IIRC, Andras (CCed) has been running FDPIC for a while. Also, I can try to
> give it a go on M/R class systems around next week.

Thanks.

> I've noticed under Mickael's repo extra patches:
> 
> - Add tls support for cortex-m cpu family
> - Workaround to fix futex bug on mmu less
> 
> It'd be nice if you shed some light on why they are not present in your
> series.

The first one is.

The second one concerns a different maintainer entirely and is 
orthogonal to FDPIC support so I didn't include it here.


Nicolas



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