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Date:      Thu, 20 Dec 2001 03:15:55 +0100
From:      Bernd Walter <ticso@cicely9.cicely.de>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        Daniel Eischen <eischen@vigrid.com>, freebsd-alpha@FreeBSD.ORG
Subject:   Re: Munging jmp_bufs on alpha
Message-ID:  <20011220021555.GA67179@cicely9.cicely.de>
In-Reply-To: <15393.15450.563749.55393@grasshopper.cs.duke.edu>
References:  <3C21000F.994BD53D@vigrid.com> <15393.15450.563749.55393@grasshopper.cs.duke.edu>

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On Wed, Dec 19, 2001 at 08:18:18PM -0500, Andrew Gallatin wrote:
> 
> Daniel Eischen writes:
>  > Included is a sample program that includes the jmp_buf-munging
>  > macros that use to work and that no longer work.  [ Drew, you
>  > out there?  You got these to work before ;-) ]
> 
> Unfortunately, I no longer have the time to track -current on alpha..
> 
> I do have an idea where the problem might lie -- The alpha longjmp
> relies on calling sigreturn to switch stacks.  I imagine quite a bit
> has changed in regard to returning from signals in the face of SMPng &
> KSEs..

I already took an eye on src/sys/alpha/alpha/machdep.c.

libc_r broke in the time frame between febuary and the 16th july.
But it also work if compiled static so it might only have been hidden
until then.

-- 
B.Walter              COSMO-Project         http://www.cosmo-project.de
ticso@cicely.de         Usergroup           info@cosmo-project.de


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