[uml-devel] Re: Stop the insanity

[Rob Landley <rob@landley.net>]

On Thursday 01 December 2005 18:13, Jeff Dike wrote:
> I'm sending this mail out to everyone that I can find who has had the UML
> stubs compiled in unexpected ways, resulting in crashing.
>
> I'd like testing of the patch below on as many gcc versions as possible.  I
> think this patch avoids the fundamental issue which is behind this, namely
> gcc using the stack when we have just replaced it, behind gcc's back.  The
> remapping and storage of the return value is hidden in a blob of asm,
> hopefully giving gcc no room for creativity.
>
> The patch changes both i386 and x86_64 and I'd appreciate testing on both
> architectures.  It's against -rc3, but should go cleanly against -rc4 as
> well.
>
> Please report back both successes and failures.

Seems to work ok on Ubuntu with gcc 3.3.5...  The x86-64 PLD build broke but 
that's just the /lib64 issue, patch that...  The result works just fine there 
too.

Thumbs up.

(My gcc 4.0+uClibc build system died with a header file issue trying to build 
-rc4.  I'll track that down later, but it's not related to this patch.  Might 
easily be something wrong on my end...)

Rob
-- 
Steve Ballmer: Innovation!  Inigo Montoya: You keep using that word.
I do not think it means what you think it means.


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