along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <endian.h>
+
#include "util.h"
-/* A cleaned up architecture definition */
+/* A cleaned up architecture definition. We don't want to get lost in
+ * processor features, models, generations or even ABIs. Hence we
+ * focus on general family, and distinguish word width and
+ * endianness. */
-typedef enum Architecture {
+enum {
ARCHITECTURE_X86 = 0,
ARCHITECTURE_X86_64,
ARCHITECTURE_PPC,
ARCHITECTURE_CRIS,
_ARCHITECTURE_MAX,
_ARCHITECTURE_INVALID = -1
-} Architecture;
+};
-Architecture uname_architecture(void);
+int uname_architecture(void);
/*
* LIB_ARCH_TUPLE should resolve to the local library path
# define native_architecture() ARCHITECTURE_X86
# define LIB_ARCH_TUPLE "i386-linux-gnu"
#elif defined(__powerpc64__)
-# if defined(WORDS_BIGENDIAN)
+# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_PPC64
# define LIB_ARCH_TUPLE "ppc64-linux-gnu"
# else
# define native_architecture() ARCHITECTURE_PPC64_LE
-# error "Missing LIB_ARCH_TUPLE for PPC64LE"
+# define LIB_ARCH_TUPLE "powerpc64le-linux-gnu"
# endif
#elif defined(__powerpc__)
-# if defined(WORDS_BIGENDIAN)
+# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_PPC
# define LIB_ARCH_TUPLE "powerpc-linux-gnu"
# else
# define native_architecture() ARCHITECTURE_SPARC
# define LIB_ARCH_TUPLE "sparc-linux-gnu"
#elif defined(__mips64__)
-# if defined(WORDS_BIGENDIAN)
+# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_MIPS64
# error "Missing LIB_ARCH_TUPLE for MIPS64"
# else
# error "Missing LIB_ARCH_TUPLE for MIPS64_LE"
# endif
#elif defined(__mips__)
-# if defined(WORDS_BIGENDIAN)
+# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_MIPS
# define LIB_ARCH_TUPLE "mips-linux-gnu"
# else
# define native_architecture() ARCHITECTURE_MIPS_LE
# define LIB_ARCH_TUPLE "mipsel-linux-gnu"
-#endif
+# endif
#elif defined(__alpha__)
# define native_architecture() ARCHITECTURE_ALPHA
# define LIB_ARCH_TUPLE "alpha-linux-gnu"
#elif defined(__aarch64__)
-# if defined(WORDS_BIGENDIAN)
+# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_ARM64_BE
# define LIB_ARCH_TUPLE "aarch64_be-linux-gnu"
# else
# define LIB_ARCH_TUPLE "aarch64-linux-gnu"
# endif
#elif defined(__arm__)
-# if defined(WORDS_BIGENDIAN)
+# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_ARM_BE
-# if defined(__ARM_PCS_VFP)
-# define LIB_ARCH_TUPLE "armeb-linux-gnueabihf"
+# if defined(__ARM_EABI__)
+# if defined(__ARM_PCS_VFP)
+# define LIB_ARCH_TUPLE "armeb-linux-gnueabihf"
+# else
+# define LIB_ARCH_TUPLE "armeb-linux-gnueabi"
+# endif
# else
-# define LIB_ARCH_TUPLE "armeb-linux-gnueabi"
+# define LIB_ARCH_TUPLE "armeb-linux-gnu"
# endif
# else
# define native_architecture() ARCHITECTURE_ARM
-# if defined(__ARM_PCS_VFP)
-# define LIB_ARCH_TUPLE "arm-linux-gnueabihf"
+# if defined(__ARM_EABI__)
+# if defined(__ARM_PCS_VFP)
+# define LIB_ARCH_TUPLE "arm-linux-gnueabihf"
+# else
+# define LIB_ARCH_TUPLE "arm-linux-gnueabi"
+# endif
# else
-# define LIB_ARCH_TUPLE "arm-linux-gnueabi"
+# define LIB_ARCH_TUPLE "arm-linux-gnu"
# endif
# endif
#elif defined(__sh64__)
# define native_architecture() ARCHITECTURE_CRIS
# error "Missing LIB_ARCH_TUPLE for CRIS"
#else
-#error "Please register your architecture here!"
+# error "Please register your architecture here!"
#endif
-const char *architecture_to_string(Architecture a) _const_;
-Architecture architecture_from_string(const char *s) _pure_;
+const char *architecture_to_string(int a) _const_;
+int architecture_from_string(const char *s) _pure_;