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Mail Archives: cygwin/2007/09/07/10:29:13

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From: "Dave Korn" <dave DOT korn AT artimi DOT com>
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Subject: RE: Slowness problem due to sjlj-exceptions for Octave
Date: Fri, 7 Sep 2007 15:28:36 +0100
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On 07 September 2007 15:19, Brian Dessent wrote:

> Dave Korn wrote:
> 
>>   Right, so IOW, the SEH support does all the required unwinding for us.
>> Ultimately I guess that's the only solution that's going to be both
>> complete and correct.  (The only other thing I could even imagine would be
>> some kind of hideous .pdb abuse using the M$ official symbol files to
>> extract the frame and FPO information for frames in API functions...)
> 
> Well, assuming that none of these foreign frames do any kind of
> -fomit-frame-pointer style optimizations,

  IIRC every MS win32 API dll (user32, kernel32, gdi32 etc.....) does
absolutely masses of FPO, so we're probably no-go there.

    cheers,
      DaveK
-- 
Can't think of a witty .sigline today....


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