diff --git a/stand/kboot/host_syscall.h b/stand/kboot/host_syscall.h
--- a/stand/kboot/host_syscall.h
+++ b/stand/kboot/host_syscall.h
@@ -46,6 +46,28 @@
 
 #include "stat_arch.h"
 
+/*
+ * stat flags
+ * These are arch independent and match the values in nolib and uapi headers
+ * with HOST_ prepended.
+ */
+#define	HOST_S_IFMT	0170000
+#define	HOST_S_IFIFO	0010000
+#define	HOST_S_IFCHR	0020000
+#define	HOST_S_IFDIR	0040000
+#define	HOST_S_IFBLK	0060000
+#define	HOST_S_IFREG	0100000
+#define	HOST_S_IFLNK	0120000
+#define	HOST_S_IFSOCK	0140000
+
+#define	HOST_S_ISBLK(mode)	(((mode) & HOST_S_IFMT) == HOST_S_IFBLK)
+#define	HOST_S_ISCHR(mode)	(((mode) & HOST_S_IFMT) == HOST_S_IFCHR)
+#define	HOST_S_ISDIR(mode)	(((mode) & HOST_S_IFMT) == HOST_S_IFDIR)
+#define	HOST_S_ISFIFO(mode)	(((mode) & HOST_S_IFMT) == HOST_S_IFIFO)
+#define	HOST_S_ISLNK(mode)	(((mode) & HOST_S_IFMT) == HOST_S_IFLNK)
+#define	HOST_S_ISREG(mode)	(((mode) & HOST_S_IFMT) == HOST_S_IFREG)
+#define	HOST_S_ISSOCK(mode)	(((mode) & HOST_S_IFMT) == HOST_S_IFSOCK)
+
 /*
  * Constants for open, fcntl, etc
  *