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Re: Does a zero-sized object in BSS go away?

From: Thiemo Seufer <ica2_ts at csv dot ica dot uni-stuttgart dot de>
To: Kazu Hirata <kazu at cs dot umass dot edu>
Cc: binutils at sources dot redhat dot com
Date: Thu, 19 Jun 2003 20:29:10 +0200
Subject: Re: Does a zero-sized object in BSS go away?
References: <20030619.114107.129788470.kazu@cs.umass.edu> <20030619.120003.127177937.kazu@cs.umass.edu> <jmisr2rlex.fsf@desire.geoffk.org> <20030619.141939.27391978.kazu@cs.umass.edu>

Kazu Hirata wrote:
> Hi Geoff,
> 
> > The linker should assign an address to it.  However, some object file
> > formats can't represent zero-sized common objects, in which case the
> > assembler should probably report an error if someone tries to create one.
> 
> Thanks.  That means some valid C using a zerosized object program
> may not be represented in those formats.  Sigh...

How do you construct a zero sized object in valid C?


Thiemo

Follow-Ups:
- Re: Does a zero-sized object in BSS go away?
  - From: Kazu Hirata

References:
- Re: Does a zero-sized object in BSS go away?
  - From: Kazu Hirata
- Re: Does a zero-sized object in BSS go away?
  - From: Geoff Keating
- Re: Does a zero-sized object in BSS go away?
  - From: Kazu Hirata

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