Linux x86 unwinder: Handle __NR_sigreturn for __kernel_sigreturn support

Florian Weimer fweimer@redhat.com
Mon Dec 17 11:41:00 GMT 2018


* Florian Weimer:

> I believe this may address recent unwinder failures in Fedora if the
> vDSO unwinder does not contain unwinding data:
>
>   <https://bugzilla.redhat.com/show_bug.cgi?id=1659295>
>
> The question is: Do we want to move in that direction?  Or should we
> make clear that the userspace ABI *requires* unwinding information?

This will be fixed on the kernel side, so the patch probably won't be
needed.

Thanks,
Florian



More information about the Gcc-patches mailing list