diff options
Diffstat (limited to 'lib/libssl/src/crypto/armcap.c')
-rw-r--r-- | lib/libssl/src/crypto/armcap.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/lib/libssl/src/crypto/armcap.c b/lib/libssl/src/crypto/armcap.c deleted file mode 100644 index 7ee94d48b12..00000000000 --- a/lib/libssl/src/crypto/armcap.c +++ /dev/null @@ -1,72 +0,0 @@ -/* $OpenBSD: armcap.c,v 1.6 2014/06/20 21:00:46 deraadt Exp $ */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <setjmp.h> -#include <signal.h> -#include <crypto.h> - -#include "arm_arch.h" - -unsigned int OPENSSL_armcap_P; - -#if __ARM_ARCH__ >= 7 -static sigset_t all_masked; - -static sigjmp_buf ill_jmp; - static void ill_handler (int sig) { siglongjmp(ill_jmp, sig); -} - -/* - * Following subroutines could have been inlined, but it's not all - * ARM compilers support inline assembler... - */ -void _armv7_neon_probe(void); -#endif - -#if defined(__GNUC__) && __GNUC__>=2 -void OPENSSL_cpuid_setup(void) __attribute__((constructor)); -#endif - -void -OPENSSL_cpuid_setup(void) -{ -#ifndef __OpenBSD__ - char *e; -#endif -#if __ARM_ARCH__ >= 7 - struct sigaction ill_oact, ill_act; - sigset_t oset; -#endif - static int trigger = 0; - - if (trigger) - return; - trigger = 1; - - OPENSSL_armcap_P = 0; - -#if __ARM_ARCH__ >= 7 - sigfillset(&all_masked); - sigdelset(&all_masked, SIGILL); - sigdelset(&all_masked, SIGTRAP); - sigdelset(&all_masked, SIGFPE); - sigdelset(&all_masked, SIGBUS); - sigdelset(&all_masked, SIGSEGV); - - memset(&ill_act, 0, sizeof(ill_act)); - ill_act.sa_handler = ill_handler; - ill_act.sa_mask = all_masked; - - sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset); - sigaction(SIGILL, &ill_act, &ill_oact); - - if (sigsetjmp(ill_jmp, 1) == 0) { - _armv7_neon_probe(); - OPENSSL_armcap_P |= ARMV7_NEON; - } - - sigaction (SIGILL, &ill_oact, NULL); - sigprocmask(SIG_SETMASK, &oset, NULL); -#endif -} |