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From: David Mosberger <davidm@napali.hpl.hp.com>
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Date: Wed, 10 Mar 2004 16:56:00 -0000
To: Andreas Schwab <schwab@suse.de>
Cc: Jakub Jelinek <jakub@redhat.com>,
	Ulrich Drepper <drepper@redhat.com>,
	Glibc hackers <libc-hacker@sources.redhat.com>
Subject: Re: [PATCH] getpid/vfork/raise fix
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>>>>> On Wed, 10 Mar 2004 15:33:05 +0100, Andreas Schwab <schwab@suse.de> said:

  Andreas> That doesn't seem to work, though.  I'm getting p3 != p4 in
  Andreas> the posix vfork tests.  Or do you see any error in my
  Andreas> implementation?

Most scratch registers are _not_ preserved across system calls.  You
could spill the register onto the memory stack though.  If it uses at
most 16 bytes, you won't have to adjust the stack pointer even.

	--david