http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48097
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org --- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-03-18 08:10:02 UTC --- That's something that has been fixed in PR26208 by adding S modifier for signal frames and introducing _Unwind_GetIPInfo. So, if Apple unwinder has that function, it is just a matter of making sure signal frames are marked and such (or MD_FALLBACK_FRAME_STATE_FOR in the unwinder handles it). If it doesn't have that entry point and you can't switch to a newer unwinder, you are out of luck.