You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
920 B
38 lines
920 B
14 years ago
|
#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);
|
||
|
|
}
|