---
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 12480a8..695ab8f 100644
--- a/cpukit/score/include/rtems/score/basedefs.h
+++ b/cpukit/score/include/rtems/score/basedefs.h
@@ -197,6 +197,16 @@
#define RTEMS_COMPILER_UNUSED_ATTRIBUTE
#endif
+/**
+ * Instructs the compiler that a specific structure or union members will be
+ * placed so that the least memory is used.
+ */
+#if defined(__GNUC__)
+ #define RTEMS_COMPILER_PACKED_ATTRIBUTE __attribute__((packed))
+#else
+ #define RTEMS_COMPILER_PACKED_ATTRIBUTE
+#endif
+
#if __cplusplus >= 201103L
#define RTEMS_STATIC_ASSERT(cond, msg) \
static_assert(cond, # msg)
--
1.9.1
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