[rtems commit] score: Add RTEMS_ALIAS()

[Sebastian Huber]

Module:    rtems
Branch:    master
Commit:    520e07db860b2f5bec5fe72fb46db2d382c52749
Changeset: http://git.rtems.org/rtems/commit/?id=520e07db860b2f5bec5fe72fb46db2d382c52749

Author:    Sebastian Huber <sebastian.huber at embedded-brains.de>
Date:      Tue Nov 22 08:46:02 2016 +0100

score: Add RTEMS_ALIAS()

---

 cpukit/score/include/rtems/score/basedefs.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/cpukit/score/include/rtems/score/basedefs.h b/cpukit/score/include/rtems/score/basedefs.h
index d142163..22cc246 100644
--- a/cpukit/score/include/rtems/score/basedefs.h
+++ b/cpukit/score/include/rtems/score/basedefs.h
@@ -180,6 +180,16 @@
 #endif
 
 /**
+ * @brief Instructs the compiler to generate an alias to the specified target
+ * function.
+ */
+#if defined(__GNUC__)
+  #define RTEMS_ALIAS( _target ) __attribute__((__alias__(#_target)))
+#else
+  #define RTEMS_ALIAS( _target )
+#endif
+
+/**
  * @brief Instructs the compiler to enforce the specified alignment.
  */
 #if defined(__GNUC__)