Re: [libunwind] [PATCH][RESEND] check-ip-cfa-unchanged.patch

[Arun Sharma (अरुण)]

Arun Sharma wrote:

> > update_frame_state: ip and cfa unchanged; stopping here (ip=0x400a5d)
>
>
> Based on my very limited understanding of how dwarf2 based unwinding
> works, the check should be after apply_reg_state?

The patch would be wrong unless c->ip update is also moved to 
apply_reg_state. It's not clear to me that a separate 
update_frame_state() is needed for x86-64. So I'm getting rid of it and 
moving all of the unwinding to apply_reg_state(). Comments?

        -Arun