Symbol visibility and bypassing PLT for intra-DSO calls

[Florian Weimer]

On 11/12/2012 11:22 AM, Alexander Monakov wrote:

>> It would be sort-of nice to do this at the compiler level, so that the
>> programmer doesn't have to specify a linker option.  And a finer granularity
>> to control this feature might make sense in some cases.
>
> Is "protected" visibility what you need?  From the manual:
>
>      Protected visibility is like default visibility except that it indicates
>      that references within the defining module bind to the definition in that
>      module. That is, the declared entity cannot be overridden by another module.

Yes, this should do it, thanks.  I was confused by the 
-fvisibility=protected documentation.

-- 
Florian Weimer / Red Hat Product Security Team