Hi Segher and ERic We are very new to Power abi and we are thinking to handle this case in loader like go through the relocations like R_PPC64_REL24 and found symbol has the localentry ,then compute the delta (GEP - LEP ) and patch the caller address like (sym.value - delta).
Thank you ~Umesh On Thu, May 16, 2019 at 9:00 AM Umesh Kalappa <umesh.kalap...@gmail.com> wrote: > > >>Can't you get the loader fixed, instead? > Yes we are thinking the same ,question what should be loader semantics here > (update the prologue code to update r12 to Global Entry Point or Update R2 > with toc base (that don't relay on the R12). ) > > ~Umesh > On Thu, May 16, 2019, 05:22 Segher Boessenkool <seg...@kernel.crashing.org> > wrote: >> >> On Wed, May 15, 2019 at 08:31:27PM +0200, Eric Botcazou wrote: >> > > Thank you Eric for the suggestion and say that we support in the loader >> > > part ,can you please point on elfv2 reference that says implementation >> > > for >> > > this specific case. >> > >> > I don't think there is a reference to this specific case in the ABI, only >> > the >> > general stuff about local and global entry points. >> >> Yes, it is just a normal jump to a local function. >> >> > We have had this patch in >> > our tree for some time and it works well, so let me submit it for >> > inclusion in >> > the official tree. >> >> Can't you get the loader fixed, instead? >> >> >> Segher
