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Date: Tue, 24 Feb 2004 21:01:12 -0600 (CST)
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From: James Van Artsdalen <james-freebsd-amd64@jrv.org>
To: adridg@cs.kun.nl
In-reply-to: <200402242111.39048.adridg@cs.kun.nl> (message from Adriaan de
	Groot on Tue, 24 Feb 2004 21:11:33 +0100)
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cc: freebsd-amd64@freebsd.org
Subject: Re: The return of threading errors in ogg123
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> 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.