On Tue, Mar 17, 2009 at 04:03:45PM +0100, Joel Porquet wrote: > 2009/3/17 Daniel Jacobowitz <d...@false.org>: > > On Tue, Mar 17, 2009 at 10:26:05AM +0100, Joel Porquet wrote: > >> I don't understand how the runtime loader could know that! As far as I > >> know, the tls model is not embedded in reloc information. > > > > Sure it is. I suggest you go back to Ulrich Drepper's TLS paper > > for more information about the relocations. > > The only information is whether the module uses a static model. So we > are able to distinguish *-dynamic from *-exec models. Nevertheless, I > still don't see how the runtime loader can distinguish local-dynamic > and global-dynamic: when it goes through the relocations, it only sees > *DTPMOD32 which is common for both models.
It's based on the symbol referenced by the relocation. -- Daniel Jacobowitz CodeSourcery
