sc_gr             123 maint/gnulib/lib/sigsegv.c #  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext.sc_gr[30]
sc_gr             164 maint/gnulib/lib/sigsegv.c #  define SIGSEGV_FAULT_STACKPOINTER  ((ucontext_t *) ucp)->uc_mcontext.sc_gr[12]