exc_state 3802 gc/os_dep.c ppc_exception_state_t exc_state; exc_state 3806 gc/os_dep.c ppc_exception_state64_t exc_state; exc_state 3825 gc/os_dep.c (natural_t*)&exc_state,&exc_state_count); exc_state 3839 gc/os_dep.c addr = (char*) exc_state.dar;