+#ifdef OSSL_IMPLEMENT_GETAUXVAL
+ {
+ const unsigned long hwcap = getauxval(AT_HWCAP);
+
+ /* protection against missing store-facility-list-extended */
+ if (hwcap & HWCAP_S390_STFLE)
+ OPENSSL_s390x_facilities();
+
+ /* protection against disabled vector facility */
+ if (!(hwcap & HWCAP_S390_VX)) {
+ OPENSSL_s390xcap_P.stfle[2] &= ~(S390X_CAPBIT(S390X_VX)
+ | S390X_CAPBIT(S390X_VXD)
+ | S390X_CAPBIT(S390X_VXE));
+ }
+ }
+#else
+ {
+ sigset_t oset;
+ struct sigaction ill_act, oact_ill, oact_fpe;
+
+ memset(&ill_act, 0, sizeof(ill_act));
+ ill_act.sa_handler = ill_handler;
+ sigfillset(&ill_act.sa_mask);
+ sigdelset(&ill_act.sa_mask, SIGILL);
+ sigdelset(&ill_act.sa_mask, SIGFPE);
+ sigdelset(&ill_act.sa_mask, SIGTRAP);
+
+ sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset);
+ sigaction(SIGILL, &ill_act, &oact_ill);
+ sigaction(SIGFPE, &ill_act, &oact_fpe);
+
+ /* protection against missing store-facility-list-extended */
+ if (sigsetjmp(ill_jmp, 1) == 0)
+ OPENSSL_s390x_facilities();
+
+ /* protection against disabled vector facility */
+ if ((OPENSSL_s390xcap_P.stfle[2] & S390X_CAPBIT(S390X_VX))
+ && (sigsetjmp(ill_jmp, 1) == 0)) {
+ OPENSSL_vx_probe();
+ } else {
+ OPENSSL_s390xcap_P.stfle[2] &= ~(S390X_CAPBIT(S390X_VX)
+ | S390X_CAPBIT(S390X_VXD)
+ | S390X_CAPBIT(S390X_VXE));
+ }
+
+ sigaction(SIGFPE, &oact_fpe, NULL);
+ sigaction(SIGILL, &oact_ill, NULL);
+ sigprocmask(SIG_SETMASK, &oset, NULL);
+ }
+#endif
+