Merge GDB 7.5.1

sim/testsuite/sim/cris/c/sysctl2.c

 /* Check error message for invalid sysctl call.
 #xerror:
 #output: Unimplemented _sysctl syscall *\n
-#output: program stopped with signal 4.\n
+#output: program stopped with signal 4 (*).\n
 #notarget: cris*-*-elf
 */
 
 #include <unistd.h>
 #include <sys/syscall.h>
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <errno.h>
 
@@ skipping 17 matching lines @@
      sizeof (sysctl_args) / sizeof (sysctl_args[0]),
      (void *) -1, &x, NULL, 0
    };
 
   int err = syscall (SYS__sysctl, &scargs);
   if (err == -1 && errno == ENOSYS)
     printf ("ENOSYS\n");
  printf ("xyzzy\n");
  exit (0);
 }