Example patch for more RPC args

rpc_args.patch

 repos/base/include/util/meta.h                     | 27 ++++++++++++++++++++--
 .../include/hello_session/hello_session.h          |  1 +
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/repos/base/include/util/meta.h b/repos/base/include/util/meta.h
index 7faee55786..f3fbd453b8 100644
--- a/repos/base/include/util/meta.h
+++ b/repos/base/include/util/meta.h
@@ -289,6 +289,22 @@ namespace Genode {
 			: Ref_tuple<T1, Ref_tuple_7<T2, T3, T4, T5, T6, T7, T8> >(v1, _t2), _t2(v2, v3, v4, v5, v6, v7, v8) { }
 		};
 
+		template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9>
+		struct Ref_tuple_9 : public Ref_tuple<T1, Ref_tuple_8<T2, T3, T4, T5, T6, T7, T8, T9> >
+		{
+			Ref_tuple_8<T2, T3, T4, T5, T6, T7, T8, T9> _t2;
+			Ref_tuple_9(typename Trait::Reference<T1>::Type v1,
+			            typename Trait::Reference<T2>::Type v2,
+			            typename Trait::Reference<T3>::Type v3,
+			            typename Trait::Reference<T4>::Type v4,
+			            typename Trait::Reference<T5>::Type v5,
+			            typename Trait::Reference<T6>::Type v6,
+			            typename Trait::Reference<T7>::Type v7,
+			            typename Trait::Reference<T8>::Type v8,
+			            typename Trait::Reference<T9>::Type v9)
+			: Ref_tuple<T1, Ref_tuple_8<T2, T3, T4, T5, T6, T7, T8, T9> >(v1, _t2), _t2(v2, v3, v4, v5, v6, v7, v8, v9) { }
+		};
+
 		/**
 		 * Tuple holding raw (plain old) data
 		 *
@@ -350,7 +366,7 @@ namespace Genode {
 		 */
 		template <typename T1 = Void, typename T2 = Void, typename T3 = Void,
 		          typename T4 = Void, typename T5 = Void, typename T6 = Void,
-		          typename T7 = Void, typename T8 = Void>
+		          typename T7 = Void, typename T8 = Void, typename T9 = Void>
 		struct Ref_args;
 
 		template <>
@@ -385,6 +401,10 @@ namespace Genode {
 		struct Ref_args<T1, T2, T3, T4, T5, T6, T7, Void> {
 			typedef Ref_tuple_8<T1, T2, T3, T4, T5, T6, T7, Empty> Type; };
 
+		template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8>
+		struct Ref_args<T1, T2, T3, T4, T5, T6, T7, T8, Void> {
+			typedef Ref_tuple_9<T1, T2, T3, T4, T5, T6, T7, T8, Empty> Type; };
+
 
 		/**
 		 * Return recursive type for storing the specified data types
@@ -394,7 +414,7 @@ namespace Genode {
 		 */
 		template <typename T1 = Void, typename T2 = Void, typename T3 = Void,
 		          typename T4 = Void, typename T5 = Void, typename T6 = Void,
-		          typename T7 = Void, typename T8 = Void>
+		          typename T7 = Void, typename T8 = Void, typename T9 = Void>
 		struct Pod_args;
 
 		template <>
@@ -421,6 +441,9 @@ namespace Genode {
 		template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7>
 		struct Pod_args<T1, T2, T3, T4, T5, T6, T7, Void> { typedef Pod_tuple<T1, typename Pod_args<T2, T3, T4, T5, T6, T7, Void>::Type> Type; };
 
+		template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8>
+		struct Pod_args<T1, T2, T3, T4, T5, T6, T7, T8, Void> { typedef Pod_tuple<T1, typename Pod_args<T2, T3, T4, T5, T6, T7, T8, Void>::Type> Type; };
+
 
 		/**
 		 * Helper for calling member functions via a uniform interface
diff --git a/repos/hello_tutorial/include/hello_session/hello_session.h b/repos/hello_tutorial/include/hello_session/hello_session.h
index 8ff65e2ea8..cabfcba270 100644
--- a/repos/hello_tutorial/include/hello_session/hello_session.h
+++ b/repos/hello_tutorial/include/hello_session/hello_session.h
@@ -36,6 +36,7 @@ struct Hello::Session : Genode::Session
 
 	GENODE_RPC(Rpc_say_hello, void, say_hello);
 	GENODE_RPC(Rpc_add, int, add, int, int);
+	GENODE_RPC(Rpc_test, int, test, int, int, int, int, int, int, int, int);
 
 	GENODE_RPC_INTERFACE(Rpc_say_hello, Rpc_add);
 };