RFC: Optimize out i386/x86-64 JUMP_SLOT relocation

H.J. Lu hjl.tools@gmail.com
Tue Nov 25 13:08:00 GMT 2014


On Mon, Nov 24, 2014 at 1:02 PM, Roland McGrath <roland@hack.frob.com> wrote:
> We could change the test to grok that case.  We just need to find a way to
> change it such that we can be confident that the internal calls in the
> module are actually going via that GOT slot even though there is no JMPREL
> reloc for it.  We're already assuming that the presence of any PLT entry
> for the symbol name means all calls are using the PLT.  So it is probably
> just as safe to assume that the presence of a GOT reloc for the symbol name
> means calls are using that slot.

It sounds good to me.  I checked my patch into binutils trunk.

Thanks.

-- 
H.J.



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