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Re: Specify how undefined weak symbol should be resolved in executable

To: "H.J. Lu" <hjl.tools@gmail.com>
Subject: Re: Specify how undefined weak symbol should be resolved in executable
From: Alan Modra <amodra@gmail.com>
Date: Wed, 24 Feb 2016 11:34:58 +1030
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On Tue, Feb 23, 2016 at 09:10:51AM -0800, H.J. Lu wrote:
> At run-time, there is no difference between weak defined and non-weak
> defined symbols.

This is not true, and even if it was..

>  If we change defined weak symbol behavior, we also
> need to change defined non-weak symbol behavior.

..it does not follow that run-time loader treatment of weak vs. strong
symbols should determine linker behaviour regarding the same.

-- 
Alan Modra
Australia Development Lab, IBM

Follow-Ups:
- Re: Specify how undefined weak symbol should be resolved in executable
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References:
- Re: Specify how undefined weak symbol should be resolved in executable
  - From: "H.J. Lu" <hjl.tools@gmail.com>
- Re: Specify how undefined weak symbol should be resolved in executable
  - From: Michael Matz <matz@suse.de>
- Re: Specify how undefined weak symbol should be resolved in executable
  - From: "H.J. Lu" <hjl.tools@gmail.com>
- Re: Specify how undefined weak symbol should be resolved in executable
  - From: "H.J. Lu" <hjl.tools@gmail.com>
- Re: Specify how undefined weak symbol should be resolved in executable
  - From: Alan Modra <amodra@gmail.com>
- Re: Specify how undefined weak symbol should be resolved in executable
  - From: "H.J. Lu" <hjl.tools@gmail.com>
- Re: Specify how undefined weak symbol should be resolved in executable
  - From: Michael Matz <matz@suse.de>
- Re: Specify how undefined weak symbol should be resolved in executable
  - From: "H.J. Lu" <hjl.tools@gmail.com>
- Re: Specify how undefined weak symbol should be resolved in executable
  - From: Michael Matz <matz@suse.de>
- Re: Specify how undefined weak symbol should be resolved in executable
  - From: "H.J. Lu" <hjl.tools@gmail.com>

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