]>
git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/s390xcap.c
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
);