| Index: openssl/crypto/s390xcap.c
|
| ===================================================================
|
| --- openssl/crypto/s390xcap.c (revision 0)
|
| +++ openssl/crypto/s390xcap.c (revision 0)
|
| @@ -0,0 +1,37 @@
|
| +#include <stdio.h>
|
| +#include <stdlib.h>
|
| +#include <string.h>
|
| +#include <setjmp.h>
|
| +#include <signal.h>
|
| +
|
| +extern unsigned long OPENSSL_s390xcap_P;
|
| +
|
| +static sigjmp_buf ill_jmp;
|
| +static void ill_handler (int sig) { siglongjmp(ill_jmp,sig); }
|
| +
|
| +unsigned long OPENSSL_s390x_facilities(void);
|
| +
|
| +void OPENSSL_cpuid_setup(void)
|
| + {
|
| + sigset_t oset;
|
| + struct sigaction ill_act,oact;
|
| +
|
| + if (OPENSSL_s390xcap_P) return;
|
| +
|
| + 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,SIGTRAP);
|
| + sigprocmask(SIG_SETMASK,&ill_act.sa_mask,&oset);
|
| + sigaction (SIGILL,&ill_act,&oact);
|
| +
|
| + /* protection against missing store-facility-list-extended */
|
| + if (sigsetjmp(ill_jmp,0) == 0)
|
| + OPENSSL_s390xcap_P = OPENSSL_s390x_facilities();
|
| + else
|
| + OPENSSL_s390xcap_P = 1UL<<63;
|
| +
|
| + sigaction (SIGILL,&oact,NULL);
|
| + sigprocmask(SIG_SETMASK,&oset,NULL);
|
| + }
|
|
|