Index: boot/arch/sparc64/include/types.h
===================================================================
--- boot/arch/sparc64/include/types.h	(revision 405b67c762b3d9e7646b77e3813c5ac9bfd3badd)
+++ boot/arch/sparc64/include/types.h	(revision 907d91a80c0650e86aa38b2f40556a3b07ed7013)
@@ -38,4 +38,6 @@
 typedef int64_t native_t;
 
+typedef int64_t ptrdiff_t;
+
 typedef struct {
 	void *addr;