7 extern unsigned long OPENSSL_s390xcap_P[];
9 static sigjmp_buf ill_jmp;
10 static void ill_handler(int sig)
12 siglongjmp(ill_jmp, sig);
15 unsigned long OPENSSL_s390x_facilities(void);
17 void OPENSSL_cpuid_setup(void)
20 struct sigaction ill_act, oact;
22 if (OPENSSL_s390xcap_P[0])
25 OPENSSL_s390xcap_P[0] = 1UL << (8 * sizeof(unsigned long) - 1);
27 memset(&ill_act, 0, sizeof(ill_act));
28 ill_act.sa_handler = ill_handler;
29 sigfillset(&ill_act.sa_mask);
30 sigdelset(&ill_act.sa_mask, SIGILL);
31 sigdelset(&ill_act.sa_mask, SIGTRAP);
32 sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset);
33 sigaction(SIGILL, &ill_act, &oact);
35 /* protection against missing store-facility-list-extended */
36 if (sigsetjmp(ill_jmp, 1) == 0)
37 OPENSSL_s390x_facilities();
39 sigaction(SIGILL, &oact, NULL);
40 sigprocmask(SIG_SETMASK, &oset, NULL);