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Date: Wed, 10 Dec 2003 17:37:00 -0000
From: Baurjan Ismagulov <ibr@ata.cs.hun.edu.tr>
To: gdb@sources.redhat.com
Subject: Re: optind
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References: <20031210142045.GL23712@ata.cs.hacettepe.edu.tr> <20031210144917.GA9115@nevyn.them.org> <20031210160910.GM23712@ata.cs.hacettepe.edu.tr> <jezne0vegn.fsf@sykes.suse.de> <20031210165318.GO23712@ata.cs.hacettepe.edu.tr> <m37k14wqnd.fsf@gossamer.airs.com> <20031210171715.GA6721@nevyn.them.org>
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Hello, Daniel and Ian!

On Wed, Dec 10, 2003 at 12:17:15PM -0500, Daniel Jacobowitz wrote:
> > This will
> > normally be true, but will fail in cases where the library is
> > controlling visibility in any of various different ways.
> For global variables the sensible default is to use the one in the
> executable.  This gets much more fun, of course, for function
> addresses.

Could you please enlighten me regarding the following, too:

1. How can the visibility of a symbol be controlled by the library?

2. Why does this get much more fun for function addresses?

Thanks in advance,
Baurjan.