various nptl patches

[Timo Teräs]

Joakim Tjernlund wrote:
>> Austin Foxley wrote:
>>> On 04/16/2010 07:37 AM, Timo Teräs wrote:
>>> We'll need to patch all the other arch's ldso as well to handle
>>> protected symbols, but I'll apply this for now. If I'm not mistaken,
>>> other archs will be no worse off than they are now in this situation.
>>> Right?
>> Right. It makes things slightly better for other archs too, but
>> in practice it won't work until they support protected symbols too.
> 
> Finally looked at the ldso patch and I am not entirely happy with it.
> I think the general structure should be different to make it easier
> to follow the code and port it to other archs. I can probably
> take a stab at it during the weekend but I have no env. to test in
> so I will have to do it blindly.

Ok. I'm not too familiar with the ldso internals and structure,
so that was just the immediate fix I came up with.

I can test whatever you come up with on x86.

Thanks!