diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2010-10-30 23:02:32 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2010-10-30 23:02:32 +0000 |
| commit | b3cded65e92ba4d9b5e5a33fb95c4d551bda9c1b (patch) | |
| tree | 69d40fbef2c0c4ee32fe97b7a28b510f2e3c2dbc /include/ansidecl.h | |
| parent | 7a815afd9b5121ee0f65dc1e1de1c0de6de97679 (diff) | |
Notes
Diffstat (limited to 'include/ansidecl.h')
| -rw-r--r-- | include/ansidecl.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/ansidecl.h b/include/ansidecl.h index a1a765d63f32..c19955a98a67 100644 --- a/include/ansidecl.h +++ b/include/ansidecl.h @@ -361,6 +361,28 @@ So instead we use the macro below and test it against specific values. */ # endif /* GNUC >= 3.0 */ #endif /* ATTRIBUTE_ALIGNED_ALIGNOF */ +/* Useful for structures whose layout must much some binary specification + regardless of the alignment and padding qualities of the compiler. */ +#ifndef ATTRIBUTE_PACKED +# define ATTRIBUTE_PACKED __attribute__ ((packed)) +#endif + +/* Attribute `hot' and `cold' was valid as of gcc 4.3. */ +#ifndef ATTRIBUTE_COLD +# if (GCC_VERSION >= 4003) +# define ATTRIBUTE_COLD __attribute__ ((__cold__)) +# else +# define ATTRIBUTE_COLD +# endif /* GNUC >= 4.3 */ +#endif /* ATTRIBUTE_COLD */ +#ifndef ATTRIBUTE_HOT +# if (GCC_VERSION >= 4003) +# define ATTRIBUTE_HOT __attribute__ ((__hot__)) +# else +# define ATTRIBUTE_HOT +# endif /* GNUC >= 4.3 */ +#endif /* ATTRIBUTE_HOT */ + /* We use __extension__ in some places to suppress -pedantic warnings about GCC extensions. This feature didn't work properly before gcc 2.8. */ |