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-rw-r--r--crypto/armcap.c93
1 files changed, 47 insertions, 46 deletions
diff --git a/crypto/armcap.c b/crypto/armcap.c
index 9abaf396e53e..28522ea86784 100644
--- a/crypto/armcap.c
+++ b/crypto/armcap.c
@@ -12,7 +12,10 @@ unsigned int OPENSSL_armcap_P;
static sigset_t all_masked;
static sigjmp_buf ill_jmp;
-static void ill_handler (int sig) { siglongjmp(ill_jmp,sig); }
+static void ill_handler(int sig)
+{
+ siglongjmp(ill_jmp, sig);
+}
/*
* Following subroutines could have been inlined, but it's not all
@@ -22,59 +25,57 @@ void _armv7_neon_probe(void);
unsigned int _armv7_tick(void);
unsigned int OPENSSL_rdtsc(void)
- {
- if (OPENSSL_armcap_P & ARMV7_TICK)
- return _armv7_tick();
- else
- return 0;
- }
+{
+ if (OPENSSL_armcap_P & ARMV7_TICK)
+ return _armv7_tick();
+ else
+ return 0;
+}
#if defined(__GNUC__) && __GNUC__>=2
-void OPENSSL_cpuid_setup(void) __attribute__((constructor));
+void OPENSSL_cpuid_setup(void) __attribute__ ((constructor));
#endif
void OPENSSL_cpuid_setup(void)
- {
- char *e;
- struct sigaction ill_oact,ill_act;
- sigset_t oset;
- static int trigger=0;
+{
+ char *e;
+ struct sigaction ill_oact, ill_act;
+ sigset_t oset;
+ static int trigger = 0;
- if (trigger) return;
- trigger=1;
-
- if ((e=getenv("OPENSSL_armcap")))
- {
- OPENSSL_armcap_P=strtoul(e,NULL,0);
- return;
- }
+ if (trigger)
+ return;
+ trigger = 1;
- sigfillset(&all_masked);
- sigdelset(&all_masked,SIGILL);
- sigdelset(&all_masked,SIGTRAP);
- sigdelset(&all_masked,SIGFPE);
- sigdelset(&all_masked,SIGBUS);
- sigdelset(&all_masked,SIGSEGV);
+ if ((e = getenv("OPENSSL_armcap"))) {
+ OPENSSL_armcap_P = strtoul(e, NULL, 0);
+ return;
+ }
- OPENSSL_armcap_P = 0;
+ 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;
+ OPENSSL_armcap_P = 0;
- sigprocmask(SIG_SETMASK,&ill_act.sa_mask,&oset);
- sigaction(SIGILL,&ill_act,&ill_oact);
+ memset(&ill_act, 0, sizeof(ill_act));
+ ill_act.sa_handler = ill_handler;
+ ill_act.sa_mask = all_masked;
- if (sigsetjmp(ill_jmp,1) == 0)
- {
- _armv7_neon_probe();
- OPENSSL_armcap_P |= ARMV7_NEON;
- }
- if (sigsetjmp(ill_jmp,1) == 0)
- {
- _armv7_tick();
- OPENSSL_armcap_P |= ARMV7_TICK;
- }
+ sigprocmask(SIG_SETMASK, &ill_act.sa_mask, &oset);
+ sigaction(SIGILL, &ill_act, &ill_oact);
- sigaction (SIGILL,&ill_oact,NULL);
- sigprocmask(SIG_SETMASK,&oset,NULL);
- }
+ if (sigsetjmp(ill_jmp, 1) == 0) {
+ _armv7_neon_probe();
+ OPENSSL_armcap_P |= ARMV7_NEON;
+ }
+ if (sigsetjmp(ill_jmp, 1) == 0) {
+ _armv7_tick();
+ OPENSSL_armcap_P |= ARMV7_TICK;
+ }
+
+ sigaction(SIGILL, &ill_oact, NULL);
+ sigprocmask(SIG_SETMASK, &oset, NULL);
+}