[PATCH 5/5] Add frame pointer unwinding for aarch64

Mark Wielaard mark@klomp.org
Wed May 3 08:46:00 GMT 2017


On Thu, 2017-04-27 at 10:31 +0200, Ulf Hermann wrote:
> > Maybe something like the attached patch?
> 
> Well that's actually the original patch (as opposed to V2) with relaxed 
> test conditions. You can write that a bit nicer by setting the new PC 
> directly after retrieving LR and returning early if it doesn't work. See 
> "[PATCH 2/3] Add frame pointer unwinding as fallback on arm" from 
> February 16th. That's the original algorithm; for aarch64 I just added a 
> few defines and included arm_unwind.c.

OK, I made that cleanup and rebased the mjw/fp-unwind branch to master.
All patches on that branch are now pushed so for 0.169 we should have
a frame pointer unwinder backtrace fallback for at least x86_64, i686
and aarch64.

Thanks for all your work and sorry this took a while to land.

Cheers,

Mark



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