From owner-freebsd-current  Tue Sep  3 14:41:28 2002
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To: Matthew Dillon <dillon@apollo.backplane.com>
Cc: John Baldwin <jhb@FreeBSD.ORG>, Thomas Moestl <tmoestl@gmx.net>,
	current@FreeBSD.ORG, des@FreeBSD.ORG, ticso@cicely5.cicely.de,
	Alexander Kabaev <ak03@gte.com>, ticso@cicely.de
Subject: Re: alpha tinderbox failure - kernel is broken. 
In-Reply-To: <200209032113.g83LDjOV063373@apollo.backplane.com> 
Date: Tue, 03 Sep 2002 14:41:22 -0700
From: Peter Wemm <peter@wemm.org>
Message-Id: <20020903214122.4F2822A893@canning.wemm.org>
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Matthew Dillon wrote:

> +			/* Does the entry point belong to this segment? */
> +			if (hdr->e_entry >= phdr[i].p_vaddr &&
> +			    hdr->e_entry < (phdr[i].p_vaddr +
> +			    phdr[i].p_memsz)) {
> +				entry = (u_long)hdr->e_entry;
> +				text_size = seg_size;
> +				text_addr = seg_addr;
>  			} else {
> +				data_size = seg_size;
> +				data_addr = seg_addr;
>  			}

I don't think we can do this (the last section), it is quite legal to have
more than one non-text PT_LOAD segment.  if the last one was very small,
we'd end up with an artificially low 'data_size' which would make for
interesting RLIMIT_DATA enforcement.

Cheers,
-Peter
--
Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5


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