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Re: ppc64 vDSO in mainline


On Sat, Mar 26, 2005 at 10:13:58AM +1100, Benjamin Herrenschmidt wrote:
[About function pointers]
> But ppc64 will always load pointers from OPDs no ?

Yes.  This is why glibc/VDSO must provide relocated OPD entries if
VDSO function symbols are to directly resolve references in a user app,
ie. so that calls can be made without bouncing through some glibc stub
code.  Calls via a function pointer don't go through the PLT.

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre


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