[PATCH]: For x86_64 mingw32 the dwarf2 default unwind does not work

Kai Tietz Kai.Tietz@onevision.com
Fri Dec 7 08:06:00 GMT 2007


> Hi,
> 
> 64-bit target should uses DWARF2 unwind by default. If 32-bit target 
> configured with --disable-sjlj-exceptions, use DWARF2, else default to 
> SJLJ.
> Reasoned by a bug in DWARF2 unwind for x86_64-mingw by default sjlj 
> exceptions  needs to be enabled as for 32-bit target.
> 
> ChangeLog:
> 
> 2007-12-06  Kai Tietz  <kai.tietz@onevision.com>
> 
>         * gcc/config/i386/cygming.h: Set DWARF2_UNWIND_INFO for 
> x86_64-mingw32 target
>         by default to zero as done for 32-bit mingw.


This patch is tested for x86_64-pc-mingw32 and i686-pc-mingw32.
Is this patch OK for apply ?

Cheers,
 i.A. Kai Tietz

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> [attachment "x86_64-sjlj.txt" deleted by Kai Tietz/Onevision] 


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