Thanks ! The problem has been resolved . And hereis one question I should get to be clear of . if I link one .so into one executeable file , would this increase the reference count by one already ? so dlclose would not unload that .so until the reference count decrease to zero . 2013/12/2 Sam Varshavchik <mrsam@xxxxxxxxxxxxxxx>: > Hatt Tom writes: > >> If I use dlsym() to load the address manually ,will GOT be needed any >> more ? > > > If you always use dlopen(), and the dlsym() to call methods from a .so, you > don't really need to link to it directly, any more, so this is a moot point. > > > >> 2013/12/2 Nicholas Mc Guire <der.herr@xxxxxxx>: >> > On Mon, 02 Dec 2013, Hatt Tom wrote: >> > >> >> And also : why cannot I dlclose a .so that I've linked my executable >> >> to, in the usual fashion. >> >> >> >> is it because the reference count of that .so would not alwayes to be >> >> zero ? >> >> >> >> It seems puzzling to me ? >> >> >> > how would you ensure consistency of the GOT ? >> > I think the problem is that you would end up with invalid addresses in >> > the GOT >> > as they were setup by ld based on link-time information. >> > >> > thx! >> > hofrat >> >> >> >> -- >> Best Regards! -- Best Regards!
