Re: [Qemu-devel] [PATCH] Use special code for sigsetjmp only in cpu-exec.c

[Peter Maydell]

On 1 March 2016 at 05:07, Stefan Weil <address@hidden> wrote:
> The rest of the code can use longjmp with stack unwinding.
>
> Signed-off-by: Stefan Weil <address@hidden>
> ---
>
> This is a bug fix needed for 64 bit Windows.
>
> QEMU for Windows currently gets the wrong definition for
> sigsetjmp. It uses stack unwinding for longjmp which results
> in a crash when it is called from generated code.
>
> Thanks to Andrew Baumann for his reminder that this patch was
> still missing. Andrew, could you please test it with your
> RPi emulation?

I don't understand this patch. Why doesn't it work to have
sigsetjmp() be implemented the same way for every use that
QEMU makes of it?

thanks
-- PMM