8 extern unsigned long OPENSSL_s390xcap_P[];
10 static sigjmp_buf ill_jmp;
11 static void ill_handler(int sig)
13 siglongjmp(ill_jmp, sig);
16 unsigned long OPENSSL_s390x_facilities(void);
18 void OPENSSL_cpuid_setup(void)
21 struct sigaction ill_act, oact;
23 if (OPENSSL_s390xcap_P[0])
26 OPENSSL_s390xcap_P[0] = 1UL << (8 * sizeof(unsigned long) - 1);
28 memset(&ill_act, 0, sizeof(ill_act));
29 ill_act.sa_handler = ill_handler;
30 sigfillset(&ill_act.sa_mask);
31 sigdelset(&ill_act.sa_mask, SIGILL);
32 sigdelset(&ill_act.sa_mask, SIGTRAP);
33 sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset);
34 sigaction(SIGILL, &ill_act, &oact);
36 /* protection against missing store-facility-list-extended */
37 if (sigsetjmp(ill_jmp, 1) == 0)
38 OPENSSL_s390x_facilities();
40 sigaction(SIGILL, &oact, NULL);
41 sigprocmask(SIG_SETMASK, &oset, NULL);