diff --git a/test/extram/shared.h b/test/extram/shared.h
new file mode 100644
index 0000000..25f918c
--- /dev/null
+++ b/test/extram/shared.h
@@ -0,0 +1,10 @@
+#define SYSCALL_BASE 0x200
+
+#define SYSCALL_PICKTEST SYSCALL_BASE+0
+enum {
+    TEST1,
+    TEST2,
+    TEST3,
+    TEST4,
+};
+