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Re: -Tbss on ELF harmful?

To: hp at bitrange dot com
Subject: Re: -Tbss on ELF harmful?
From: DJ Delorie <dj at redhat dot com>
Date: Mon, 29 Oct 2001 23:00:12 -0500
CC: binutils at sources dot redhat dot com
References: <Pine.BSF.4.30.0110292249150.68626-100000@dair.pair.com>


> Your problem can be solved by e.g. using SIZEOF (.sbss).  At
> least I think so.  If not, there's a bug in
> ld/emulparams/criself.sh.

If .sbss and .bss aren't contiguous, then naive startup code may
attempt to zero out not only .sbss and .bss, but also whatever falls
between them - which could be anything.

And if there were no naive startup codes, we never would have put
__bss_start before .sbss in the first place.

References:
- Re: -Tbss on ELF harmful?
  - From: Hans-Peter Nilsson

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