+ /* Initial value, fits UltraSPARC-I&II... */
+ OPENSSL_sparcv9cap_P[0] = 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[0] &= ~SPARCV9_TICK_PRIVILEGED;
+ }
+
+ if (sigsetjmp(common_jmp,1) == 0)
+ {
+ _sparcv9_vis1_probe();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS1|SPARCV9_BLK;
+ /* detect UltraSPARC-Tx, see sparccpud.S for details... */
+ if (_sparcv9_vis1_instrument() >= 12)
+ OPENSSL_sparcv9cap_P[0] &= ~(SPARCV9_VIS1|SPARCV9_PREFER_FPU);
+ else
+ {
+ _sparcv9_vis2_probe();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS2;
+ }
+ }
+
+ if (sigsetjmp(common_jmp,1) == 0)
+ {
+ _sparcv9_fmadd_probe();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_FMADD;
+ }
+
+ /*
+ * VIS3 flag is tested independently from VIS1, unlike VIS2 that is,
+ * because VIS3 defines even integer instructions.
+ */
+ if (sigsetjmp(common_jmp,1) == 0)
+ {
+ _sparcv9_vis3_probe();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_VIS3;
+ }
+
+ if (sigsetjmp(common_jmp,1) == 0)
+ {
+ (void)_sparcv9_random();
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_RANDOM;
+ }
+
+ /*
+ * In wait for better solution _sparcv9_rdcfr is masked by
+ * VIS3 flag, because it goes to uninterruptable endless
+ * loop on UltraSPARC II running Solaris. Things might be
+ * different on Linux...
+ */
+ if ((OPENSSL_sparcv9cap_P[0]&SPARCV9_VIS3) &&
+ sigsetjmp(common_jmp,1) == 0)
+ {
+ OPENSSL_sparcv9cap_P[1] = (unsigned int)_sparcv9_rdcfr();
+ }
+
+ sigaction(SIGBUS,&bus_oact,NULL);
+ sigaction(SIGILL,&ill_oact,NULL);
+
+ sigprocmask(SIG_SETMASK,&oset,NULL);
+
+ if (sizeof(size_t)==8)
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_64BIT_STACK;
+#ifdef __linux
+ else
+ {
+ int ret = syscall(340);
+
+ if (ret>=0 && ret&1)
+ OPENSSL_sparcv9cap_P[0] |= SPARCV9_64BIT_STACK;
+ }
+#endif