linux-kernel - Re: Linux i386 clone(): %ebx 'frobbing' ?

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Message-ID: <jewsp69e5t.fsf@sykes.suse.de>
Date:	Fri, 15 Feb 2008 21:07:42 +0100
From:	Andreas Schwab <schwab@...e.de>
To:	"Ahmed S. Darwish" <darwish.07@...il.com>
Cc:	libc-alpha@...rceware.org, libc-alpha@...rces.redhat.com,
	linux-kernel@...r.kernel.org
Subject: Re: Linux i386 clone(): %ebx 'frobbing' ?

"Ahmed S. Darwish" <darwish.07@...il.com> writes:

> I don't understand how the `fn' argument reached the child thread
> in the %ebx register. It's said in the comment that `fn' will be
> popped to child 'in the ebx frobbing below'. But what does that mean ?

See "popl %ebx" after "int $0x80".

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@...e.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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