Re: [Tinycc-devel] Windows x86_64 BUG, SIGSEV is not correctly handled by installed signal handler.

[Michael Matz]

Hi,

On Wed, 10 Apr 2019, grischka wrote:

> Michael Matz wrote:
> >  So let's find out what causes the difference: if you can send me ...
>
> Well, see win32/lib/chkstk.S, at the bottom
>
>    /* SEH on x86-64 not implemented */
> ;)

Huh, so even those few signals that are sort of supported on Windows are 
actually done through the SEH mechanism and it's not via the generic 
runtime environment like msvcrt1.dll?  Too bad.

I wonder why the result worked under wine then, though; strange.


Ciao,
Michael.

> One could try the code below instead but I would need some time to
> rethink how good it is.
>
> --- grischka
>
>     static LONG __stdcall catch_sig(EXCEPTION_POINTERS *ex_info)
>     {
>         return _XcptFilter(ex_info->ExceptionRecord->ExceptionCode,
>     ex_info);
>     }
>
>    SetUnhandledExceptionFilter(catch_sig);
>
>
> >  (I'm not currently setup to run Windows anywhere, so can't really help
> >  debugging the problem any other way).
> >
> >
> >  Ciao,
> >  Michael.
> >
> >  _______________________________________________
> >  Tinycc-devel mailing list
> >  address@hidden
> >  https://lists.nongnu.org/mailman/listinfo/tinycc-devel
>
>
>
> _______________________________________________
> Tinycc-devel mailing list
> address@hidden
> https://lists.nongnu.org/mailman/listinfo/tinycc-devel