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authormarha <marha@users.sourceforge.net>2011-01-23 19:50:13 +0000
committermarha <marha@users.sourceforge.net>2011-01-23 19:50:13 +0000
commitb680cf39ed5bc37e0eb7eb86ad8599bf92df3f2b (patch)
tree4722cd31e41fdda28e5c2b37bdf8500d27868384 /openssl/crypto/sparcv9cap.c
parent8cd59857a99c534c560f58c931f5c2466d4c1f9b (diff)
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Updated to openssl-1.0.0c
Diffstat (limited to 'openssl/crypto/sparcv9cap.c')
-rw-r--r--openssl/crypto/sparcv9cap.c97
1 files changed, 90 insertions, 7 deletions
diff --git a/openssl/crypto/sparcv9cap.c b/openssl/crypto/sparcv9cap.c
index 5f31d20bd..ed195ab40 100644
--- a/openssl/crypto/sparcv9cap.c
+++ b/openssl/crypto/sparcv9cap.c
@@ -1,6 +1,8 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <setjmp.h>
+#include <signal.h>
#include <sys/time.h>
#include <openssl/bn.h>
@@ -9,6 +11,7 @@
#define SPARCV9_VIS1 (1<<2)
#define SPARCV9_VIS2 (1<<3) /* reserved */
#define SPARCV9_FMADD (1<<4) /* reserved for SPARC64 V */
+
static int OPENSSL_sparcv9cap_P=SPARCV9_TICK_PRIVILEGED;
int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0, int num)
@@ -23,10 +26,14 @@ int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_U
return bn_mul_mont_int(rp,ap,bp,np,n0,num);
}
+unsigned long _sparcv9_rdtick(void);
+void _sparcv9_vis1_probe(void);
+unsigned long _sparcv9_vis1_instrument(void);
+void _sparcv9_vis2_probe(void);
+void _sparcv9_fmadd_probe(void);
+
unsigned long OPENSSL_rdtsc(void)
{
- unsigned long _sparcv9_rdtick(void);
-
if (OPENSSL_sparcv9cap_P&SPARCV9_TICK_PRIVILEGED)
#if defined(__sun) && defined(__SVR4)
return gethrtime();
@@ -37,8 +44,11 @@ unsigned long OPENSSL_rdtsc(void)
return _sparcv9_rdtick();
}
-#if defined(__sun) && defined(__SVR4)
-
+#if 0 && defined(__sun) && defined(__SVR4)
+/* This code path is disabled, because of incompatibility of
+ * libdevinfo.so.1 and libmalloc.so.1 (see below for details)
+ */
+#include <malloc.h>
#include <dlfcn.h>
#include <libdevinfo.h>
#include <sys/systeminfo.h>
@@ -110,7 +120,21 @@ void OPENSSL_cpuid_setup(void)
return;
}
}
-
+#ifdef M_KEEP
+ /*
+ * Solaris libdevinfo.so.1 is effectively incomatible with
+ * libmalloc.so.1. Specifically, if application is linked with
+ * -lmalloc, it crashes upon startup with SIGSEGV in
+ * free(3LIBMALLOC) called by di_fini. Prior call to
+ * mallopt(M_KEEP,0) somehow helps... But not always...
+ */
+ if ((h = dlopen(NULL,RTLD_LAZY)))
+ {
+ union { void *p; int (*f)(int,int); } sym;
+ if ((sym.p = dlsym(h,"mallopt"))) (*sym.f)(M_KEEP,0);
+ dlclose(h);
+ }
+#endif
if ((h = dlopen("libdevinfo.so.1",RTLD_LAZY))) do
{
di_init_t di_init;
@@ -137,9 +161,19 @@ void OPENSSL_cpuid_setup(void)
#else
+static sigjmp_buf common_jmp;
+static void common_handler(int sig) { siglongjmp(common_jmp,sig); }
+
void OPENSSL_cpuid_setup(void)
{
char *e;
+ struct sigaction common_act,ill_oact,bus_oact;
+ sigset_t all_masked,oset;
+ int sig;
+ static int trigger=0;
+
+ if (trigger) return;
+ trigger=1;
if ((e=getenv("OPENSSL_sparcv9cap")))
{
@@ -147,8 +181,57 @@ void OPENSSL_cpuid_setup(void)
return;
}
- /* For now we assume that the rest supports UltraSPARC-I* only */
- OPENSSL_sparcv9cap_P |= SPARCV9_PREFER_FPU|SPARCV9_VIS1;
+ /* Initial value, fits UltraSPARC-I&II... */
+ OPENSSL_sparcv9cap_P = SPARCV9_PREFER_FPU|SPARCV9_TICK_PRIVILEGED;
+
+ sigfillset(&all_masked);
+ sigdelset(&all_masked,SIGILL);
+ sigdelset(&all_masked,SIGTRAP);
+#ifdef SIGEMT
+ sigdelset(&all_masked,SIGEMT);
+#endif
+ sigdelset(&all_masked,SIGFPE);
+ sigdelset(&all_masked,SIGBUS);
+ sigdelset(&all_masked,SIGSEGV);
+ sigprocmask(SIG_SETMASK,&all_masked,&oset);
+
+ memset(&common_act,0,sizeof(common_act));
+ common_act.sa_handler = common_handler;
+ common_act.sa_mask = all_masked;
+
+ sigaction(SIGILL,&common_act,&ill_oact);
+ sigaction(SIGBUS,&common_act,&bus_oact);/* T1 fails 16-bit ldda [on Linux] */
+
+ if (sigsetjmp(common_jmp,1) == 0)
+ {
+ _sparcv9_rdtick();
+ OPENSSL_sparcv9cap_P &= ~SPARCV9_TICK_PRIVILEGED;
+ }
+
+ if (sigsetjmp(common_jmp,1) == 0)
+ {
+ _sparcv9_vis1_probe();
+ OPENSSL_sparcv9cap_P |= SPARCV9_VIS1;
+ /* detect UltraSPARC-Tx, see sparccpud.S for details... */
+ if (_sparcv9_vis1_instrument() >= 12)
+ OPENSSL_sparcv9cap_P &= ~(SPARCV9_VIS1|SPARCV9_PREFER_FPU);
+ else
+ {
+ _sparcv9_vis2_probe();
+ OPENSSL_sparcv9cap_P |= SPARCV9_VIS2;
+ }
+ }
+
+ if (sigsetjmp(common_jmp,1) == 0)
+ {
+ _sparcv9_fmadd_probe();
+ OPENSSL_sparcv9cap_P |= SPARCV9_FMADD;
+ }
+
+ sigaction(SIGBUS,&bus_oact,NULL);
+ sigaction(SIGILL,&ill_oact,NULL);
+
+ sigprocmask(SIG_SETMASK,&oset,NULL);
}
#endif