[PATCH 4/5] Add i386 frame pointer unwinder.

[Ulf Hermann]

On 04/25/2017 02:49 PM, Mark Wielaard wrote:
> Add a simple i386_unwind.c frame pointer unwinder as fallback if DWARF/CFI
> unwinding fails.

Looks good to me. The logic could be relaxed a bit so that failure to e.g. write the new value for sp would not be fatal. Then we might be able to unwind even more frames. But refusing to unwind obviously broken frames is acceptable, too.

Ulf