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

From: Kazu Hirata <kazu at cs dot umass dot edu>
To: geoffk at geoffk dot org
Cc: binutils at sources dot redhat dot com
Date: Thu, 19 Jun 2003 14:19:39 -0400 (EDT)
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>

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...

Kazu Hirata

Follow-Ups:
- Re: Does a zero-sized object in BSS go away?
  - From: Thiemo Seufer
- Re: Does a zero-sized object in BSS go away?
  - From: Geoff Keating

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

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