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From: raeburn@athena.mit.edu (Ken Raeburn)
Subject: Re: At boot: file too big to load
In-Reply-To: julian@tfs.com's message of Mon, 23 Nov 1992 07:02:12 GMT
Message-ID: <RAEBURN.92Dec1174219@tweedledumb.cygnus.com>
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References: <1992Nov22.225044.1344@ghost.dsi.unimi.it> <1992Nov23.070212.9393@tfs.com>
Date: Tue, 1 Dec 1992 22:42:31 GMT
Lines: 16
In article <1992Nov23.070212.9393@tfs.com> julian@tfs.com (Julian Elischer) writes:
In article <1992Nov22.225044.1344@ghost.dsi.unimi.it> serini@ghost.dsi.unimi.it (Piero Serini) writes:
>if(roundup(x.a_text, 4096) + x.a_data + x.a_bss > (unsigned)&fil) {
> printf("File too big to load");
> return;
>}
don't forget the zero filled section is not in the file, it just bzeros it.
Doesn't the kernel bzero its own bss section on startup?
Is there a reason the boot code has to take the bss into account?
(Other than that you might want to boot some other program that
doesn't clear its bss, I mean.)
--
~ Ken Raeburn preferred: raeburn@cygnus.com also: raeburn@mit.edu ~
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