PIE and --(no-)export-dynamic

Alan Modra amodra@gmail.com
Sun Mar 21 12:03:00 GMT 2010


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



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