> On Sep 27, 2018, at 3:58 AM, Jan Hubicka <hubi...@ucw.cz> wrote: > >> >> Okay, I see. >> >>> >>> If you make this to be INTERPOSABLE (which means it can be replaced by >>> different >>> implementation by linker and that is probably what we want for live >>> patching) >>> then also inliner, ipa-sra and other optimization will give up on these. >> >> do you suggest that to set the global function as AVAIL_INTERPOSABLE when >> -finline-only-static >> is present? then we should avoid all issues? > > It seems to be reasonable direction I think, because it is what really happens > (well AVAIL_INTERPOSABLE still does not assume that the interposition will > happen at runtime, but it is an approximation and we may introduce something > like > AVAIL_RUNTIME_INTERPOSABLE if there is need for better difference). > I wonder if -finline-only-static is good name for the flag though, because it > does a lot more than that. Maybe something like -flive-patching? > How much is this all tied to one particular implementation of the feature?
Yes, I like this idea. I will study a little more on this direction and report back. Qing > > Honza >> >> Qing >>
