Add frame definitions for x86+x86_64 arches

zfs/lib/libspl/include/sys/frame.h

@@ -5,4 +5,31 @@
 #ifndef _SYS_FRAME_H
 #define _SYS_FRAME_H
 
+#include <sys/types.h>
+
+#if defined(_LP64) || defined(_I32LPx)
+typedef long	greg_t;
+#else
+typedef int	greg_t;
+#endif
+
+struct frame {
+	greg_t fr_savfp;  /* saved frame pointer */
+	greg_t fr_savpc;  /* saved program counter */
+};
+
+#if defined(_SYSCALL32)
+
+typedef int32_t greg32_t;
+typedef int64_t greg64_t;
+
+/*
+ * Kernel's view of a 32-bit stack frame.
+ */
+struct frame32 {
+	greg32_t fr_savfp;  /* saved frame pointer */
+	greg32_t fr_savpc;  /* saved program counter */
+};
+
+#endif  /* _SYSCALL32 */
 #endif /* _SYS_FRAME_H */