Date: Wed, 25 Feb 2004 13:19:06 +0100 From: Adriaan de Groot <adridg@cs.kun.nl> To: freebsd-amd64@freebsd.org Subject: Re: The return of threading errors in ogg123 Message-ID: <200402251319.11569.adridg@cs.kun.nl> In-Reply-To: <200402250301.i1P31COh071628@bigtex.jrv.org> References: <Pine.GSO.4.44.0402171025520.15647-100000@wn4.sci.kun.nl> <200402242111.39048.adridg@cs.kun.nl> <200402250301.i1P31COh071628@bigtex.jrv.org>
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On Wednesday 25 February 2004 04:01, James Van Artsdalen wrote:
> > From: Adriaan de Groot <adridg@cs.kun.nl>
> > Date: Tue, 24 Feb 2004 21:11:33 +0100
> >
> > looks like the stack-16-alignment has gotten broken again somewhere.
>
> Hack the gcc function epilogue code to test %rsp before each return and
> branch to abort if stack is mis-aligned, or, maybe load 8(%rsp) to %xmm7 or
> something like that to force a fault. That will get you close to the scene
> of the crime, and flush out others that aren't near FP code.
Ummm ... "Dammit Jim, I'm a doctor of computer science, not a compiler
hacker!" Can you give a suggestion? Although I'm not averse to wasting my
time figuring out how to do all those things, I think I'd rather waste it by
fixing the ed(4) driver.
- --
pub 1024D/FEA2A3FE 2002-06-18 Adriaan de Groot <groot@kde.org>
Would you like a freem?
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