On Thu, Mar 22, 2018 at 4:11 AM, Tsimbalist, Igor V
<igor.v.tsimbal...@intel.com> wrote:
> The incspp instruction from CET accepts only the value in the range of 0-255.
> The patch fixes the typo in the loop to handle this.
>
> I'm checking in the fix as obvious.
>
> Thanks,
> Igor
>
> PR target/85025
> * config/i386/shadow-stack-unwind.h: Fix a typo, tmp => 255.
Please add "(_Unwind_Frames_Extra)".
Thanks.
> Index: libgcc/config/i386/shadow-stack-unwind.h
> ===================================================================
> --- libgcc/config/i386/shadow-stack-unwind.h (revision 258760)
> +++ libgcc/config/i386/shadow-stack-unwind.h (working copy)
> @@ -42,7 +42,7 @@
> _Unwind_Word tmp = (x); \
> while (tmp > 255) \
> { \
> - _inc_ssp (tmp); \
> + _inc_ssp (255); \
> tmp -= 255; \
> } \
> _inc_ssp (tmp); \
>
> Igor
>
>
--
H.J.
