On Wednesday 28 November 2012 17:44:21 Jan Kratochvil wrote:
> On Wed, 28 Nov 2012 01:20:15 +0100, Pedro Alves wrote:
> > I mentioned that this change could make it possible to find the separate
> > debug file by name.
> 
> I do not see how it could work, vDSO does not have and cannot have any disk
> filename in L_NAME.
> 
> Besides that even if there was a way non-build-id verification should never
> be implemented for anything new, it does not work well and there is no
> reason for it.

the existing mechanisms might not translate cleanly to providing symbol 
information for vdso's.  but i think it's worth figuring out.  i don't think 
Linux is alone when it comes to vdso type functionality ... certainly 
*BSD/Solaris does something similar ?
-mike