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From: "Marcin Kościelnicki" <markosc@interia.pl>
To: linux-assembly@vger.kernel.org
Subject: Re: argc/argv
Date: Fri, 10 Mar 2006 08:08:29 +0100	[thread overview]
Message-ID: <200603100808.30524.markosc@interia.pl> (raw)
In-Reply-To: <031020060400.159.4410F9E10006CADE0000009F22007613949B9D9A0D0409@comcast.net>

> I am trying to build a system that needs to pick up the command line
> arguments.  However, it seems there are two ways to do it.

No, there's only one.

> The old way is that argc and argv elements are on the stack.

And that's the correct way.

> Using gcc 3.4.3, the argc is edi and the pointer for argv is in esi,
> according to the times that I have tried it.
>
> Is this correct????

No. Maybe argc really is in edi and argv in esi, but it can change anytime. 
Without warning. You shouldn't ever depend on it. Also, I believe this 
behavior should be attributed to both glibc and gcc (and therefore can change 
when version of either changes).

Marcin Ko≈õcielnicki




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      reply	other threads:[~2006-03-10  7:08 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-10  4:00 argc/argv glburt
2006-03-10  7:08 ` Marcin Kościelnicki [this message]

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