Re: [RFC] Add new commands to windows native code.

[Eli Zaretskii <eliz@gnu.org>]

> From: "Pierre Muller" <pierre.muller@ics-cnrs.unistra.fr>
> Cc: <gdb-patches@sourceware.org>
> Date: Mon, 19 Aug 2013 16:38:53 +0200
> 
> >   . catch exception [NAME]
> 
>   Currently catch exception is an ADA specific catch type...

Aren't C++ exceptions supported as well?

>   It seems that 'catch catch regex ' 
> could be used...

Less user-friendly, but also fine, IMO.

>   But currently all exception are converted into signals inside
> windows-nat.c code...
>   So that implementing your suggestion would basically mean
> that the Windows API exception would not be converted into 
> signals anymore...

Your changes, OTOH, would cause the inferior be stopped twice for the
same reason, AFAIU.  I don't know what is worse.

>   This is a huge change, which should probably not be enabled 
> by default, no?

I agree, but then catchpoints are never set by default, only by user
command.  So I see no usability problem here.

>   But frankly speaking, I fear that I will never be able to
> implement such a feature :(
>   The list of stuff I wrote for windows OS GDB support
> that was never integrated into main-line is already quite huge...

I can hardly believe that it would be much harder than the 3 options
you suggested.

>   I did look a little a the catching code inside break-catch-throw.c 
> but I still didn't even get how the exception number is supposed to
> be passed to the loop that looks through the list of all breakpoints
> to see if there is a match...

Maybe someone of the senior maintainers could help out here?