diff options
Diffstat (limited to 'cpukit/score/include/rtems/score/basedefs.h')
| -rw-r--r-- | cpukit/score/include/rtems/score/basedefs.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/cpukit/score/include/rtems/score/basedefs.h b/cpukit/score/include/rtems/score/basedefs.h index 12480a8450..695ab8fa4f 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) |