X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/5e7319058268e021ae39ca4b9fcabaec0060117b..7e1e23af5969b0553aa498e11cac021e4eee04c4:/LUFA/Common/Attributes.h?ds=sidebyside

diff --git a/LUFA/Common/Attributes.h b/LUFA/Common/Attributes.h
index 1cedaa98c..53cfb6df1 100644
--- a/LUFA/Common/Attributes.h
+++ b/LUFA/Common/Attributes.h
@@ -29,7 +29,7 @@
 */
 
 /** \file
- *  \brief AVR-GCC special function/variable attribute macros.
+ *  \brief GCC special function/variable attribute macros.
  *
  *  \copydetails Group_GCCAttributes
  *
@@ -39,15 +39,15 @@
 
 /** \ingroup Group_Common
  *  \defgroup Group_GCCAttributes Function/Variable Attributes
- *  \brief AVR-GCC special function/variable attribute macros.
+ *  \brief GCC special function/variable attribute macros.
  *
- *  This file contains macros for applying GCC specific attributes to functions and variables to control various
+ *  This module contains macros for applying GCC specific attributes to functions and variables to control various
  *  optimiser and code generation features of the compiler. Attributes may be placed in the function prototype
  *  or variable declaration in any order, and multiple attributes can be specified for a single item via a space
  *  separated list.
  *
  *  On incompatible versions of GCC or on other compilers, these macros evaluate to nothing unless they are
- *  critical to the code's function and thus must throw a compiler error when used.
+ *  critical to the code's function and thus must throw a compile error when used.
  *
  *  @{
  */
@@ -133,6 +133,17 @@
 			 *  \param[in] Func  Name of the function which the given function name should alias.
 			 */
 			#define ATTR_ALIAS(Func)               __attribute__ ((alias( #Func )))
+			
+			/** Marks a variable or struct element for packing into the smallest space available, omitting any
+			 *  alignment bytes usually added between fields to optimize field accesses.
+			 */
+			#define ATTR_PACKED                     __attribute__ ((packed))
+
+			/** Indicates the minimum alignment in bytes for a variable or struct element.
+			 * 
+			 *  \param[in] Bytes  Minimum number of bytes the item should be aligned to.
+			 */
+			#define ATTR_ALIGNED(Bytes)            __attribute__ ((aligned(Bytes)))
 #endif
 
 /** @} */