Re: [Mingw-users] MinGW gcc 3.x, 4.x and exceptions
- Date: Sun, 04 May 2008 20:24:38 -0500
- From: "Aaron W. LaFramboise" <aaron77thyme@xxxxxxxxxxx>
- Subject: Re: [Mingw-users] MinGW gcc 3.x, 4.x and exceptions
Hello alvaro, see below.
alvaro wrote:
> More recently I was about to go ahead and write exception aware code,
> but then I read about problems throwing exceptions across DLL
> boundaries, the different models (SJLJ vs DW2), and the need of a shared
> libgcc.
From GCC4 forward, MinGW.org will only be offering compilers that use
the DW2 model.
> I would say it is *very* important to keep MinGW this way and still
> support exceptions. If that implies using the "old" SJLJ system, I
> wouldn't mind. I can admit a little performance loss. If 3.x can do it,
> why can't 4.x?
I agree. There is work underway to support throwing between modules
without the shared libgcc, in a similar manner to what Brian describes.
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