diff --git a/eclair/public_APIs.ecl b/eclair/public_APIs.ecl
new file mode 100644
index 0000000..e4931a0
--- /dev/null
+++ b/eclair/public_APIs.ecl
@@ -0,0 +1,5 @@
+# Definition of the public APIs.
+
+
+-doc="FIXME: add proper documentation."
+-file_tag+={api:public,"^include/arch/aarch64/arch\\.h$"}