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Re: PIE and --(no-)export-dynamic

From: Alan Modra <amodra at gmail dot com>
To: Peter Hjalmarsson <xake at rymdraket dot net>, binutils <binutils at sourceware dot org>
Date: Sun, 21 Mar 2010 22:19:59 +1030
Subject: Re: PIE and --(no-)export-dynamic
References: <1269091979.15822.25.camel@lillen> <20100321014145.GB12991@bubble.grove.modra.org> <20100321023455.GA10640@caradoc.them.org>

On Sat, Mar 20, 2010 at 10:34:59PM -0400, Daniel Jacobowitz wrote:
> I think Peter's got a point.

Agreed.  The default behaviour for PIEs wrongly adds unnecessary
dynamic symbols.

> Why should a PIE version of vers4 export
> foo?  Or, for that matter, main?  No dynamic object references the
> symbol; it's just wasting space.
> 
> MIPS used to have this same problem for dynamic applications; we
> (Richard S., I think, but I don't remember) fixed it just a year or
> two ago.

Yeah, code somewhere is testing link_info.shared when it should really
be using !link_info.executable.

-- 
Alan Modra
Australia Development Lab, IBM

Follow-Ups:
- Re: PIE and --(no-)export-dynamic
  - From: Peter Hjalmarsson

References:
- PIE and --(no-)export-dynamic
  - From: Peter Hjalmarsson
- Re: PIE and --(no-)export-dynamic
  - From: Alan Modra
- Re: PIE and --(no-)export-dynamic
  - From: Daniel Jacobowitz

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