Index: kernel/generic/include/mm/as.h
===================================================================
--- kernel/generic/include/mm/as.h	(revision 98000fb4ea6015506f059c9b121e417ce991ecfd)
+++ kernel/generic/include/mm/as.h	(revision a074b4f9d5cf65707ae3aaffaf4564453f710efd)
@@ -36,4 +36,10 @@
 #define KERN_AS_H_
 
+#ifdef KERNEL
+#include <arch/types.h>
+#else
+#include <sys/types.h>
+#endif
+
 /** Address space area flags. */
 #define AS_AREA_READ		1
@@ -41,4 +47,16 @@
 #define AS_AREA_EXEC		4
 #define AS_AREA_CACHEABLE	8
+
+/** Address space area info exported to userspace. */
+typedef struct {
+	/** Starting address */
+	uintptr_t start_addr;
+
+	/** Area size */
+	size_t size;
+
+	/** Area flags */
+	int flags;
+} as_area_info_t;
 
 #ifdef KERNEL
@@ -268,4 +286,5 @@
 
 /* Introspection functions. */
+extern void as_get_area_info(as_t *as, as_area_info_t **obuf, size_t *osize);
 extern void as_print(as_t *as);