mirror of
https://github.com/openssl/openssl.git
synced 2024-12-09 05:51:54 +08:00
c0dba2cca4
crypto/s390xcap.c: internal/cryptlib.h needs to be included for OPENSSL_cpuid_setup function prototype is located there to avoid build error due to -Werror=missing-prototypes. Signed-off-by: Patrick Steuer <psteuer@mail.de> Reviewed-by: Rich Salz <rsalz@openssl.org> Reviewed-by: Richard Levitte <levitte@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> CLA: trivial
52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
|
|
* Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved.
|
|
*
|
|
* Licensed under the OpenSSL license (the "License"). You may not use
|
|
* this file except in compliance with the License. You can obtain a copy
|
|
* in the file LICENSE in the source distribution or at
|
|
* https://www.openssl.org/source/license.html
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <setjmp.h>
|
|
#include <signal.h>
|
|
#include "internal/cryptlib.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[0])
|
|
return;
|
|
|
|
OPENSSL_s390xcap_P[0] = 1UL << (8 * sizeof(unsigned long) - 1);
|
|
|
|
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, 1) == 0)
|
|
OPENSSL_s390x_facilities();
|
|
|
|
sigaction(SIGILL, &oact, NULL);
|
|
sigprocmask(SIG_SETMASK, &oset, NULL);
|
|
}
|