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Re: GNAT, SJLJ and zero-cost exception handling

From: Eric Botcazou <ebotcazou at adacore dot com>
To: "Rolf Ebert" <rolf dot ebert dot gcc at gmx dot de>
Cc: gcc at gcc dot gnu dot org, Ludovic Brenta <ludovic at ludovic-brenta dot org>
Date: Sun, 15 Oct 2006 21:22:15 +0200
Subject: Re: GNAT, SJLJ and zero-cost exception handling
References: <20061013124429.GO17837@green.ada-france.org> <87u027hyg7.fsf@ludovic-brenta.org> <20061014234530.244290@gmx.net>

> I can confirm that gnat gcc 4.1.1 does *not* correctly handle SJLJ
> exceptions, at least on MinGW where SJLJ is currently the only viable EH
> mechanism.

The 2 SJLJ mechanisms should be available there, so you could try to use 
GCC SJLJ instead of GNAT SJLJ (set ZCX_By_Default to True in system.ads).

> Eric, how difficult would it be to backport a fix from 4.2 to 4.1?

Too invasive I'd think.

-- 
Eric Botcazou

References:
- GNAT, SJLJ and zero-cost exception handling
  - From: Ludovic Brenta
- Re: GNAT, SJLJ and zero-cost exception handling
  - From: Ludovic Brenta
- Re: GNAT, SJLJ and zero-cost exception handling
  - From: Rolf Ebert

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