X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Finclude%2Frte_common.h;h=0843ce69e7ec198e32ab15848f2717ea4c48d2f0;hb=56e15e83b8e2dac99f683913ab180e6b011d1450;hp=f820c2eae20f52c1ad446f7313179f68d77ec8cb;hpb=9c1e0dc39a03c95447095241eaf3764d2e0dd003;p=dpdk.git

diff --git a/lib/librte_eal/include/rte_common.h b/lib/librte_eal/include/rte_common.h
index f820c2eae2..0843ce69e7 100644
--- a/lib/librte_eal/include/rte_common.h
+++ b/lib/librte_eal/include/rte_common.h
@@ -63,21 +63,21 @@ extern "C" {
 		__GNUC_PATCHLEVEL__)
 #endif
 
+/**
+ * Force alignment
+ */
+#define __rte_aligned(a) __attribute__((__aligned__(a)))
+
 #ifdef RTE_ARCH_STRICT_ALIGN
-typedef uint64_t unaligned_uint64_t __attribute__ ((aligned(1)));
-typedef uint32_t unaligned_uint32_t __attribute__ ((aligned(1)));
-typedef uint16_t unaligned_uint16_t __attribute__ ((aligned(1)));
+typedef uint64_t unaligned_uint64_t __rte_aligned(1);
+typedef uint32_t unaligned_uint32_t __rte_aligned(1);
+typedef uint16_t unaligned_uint16_t __rte_aligned(1);
 #else
 typedef uint64_t unaligned_uint64_t;
 typedef uint32_t unaligned_uint32_t;
 typedef uint16_t unaligned_uint16_t;
 #endif
 
-/**
- * Force alignment
- */
-#define __rte_aligned(a) __attribute__((__aligned__(a)))
-
 /**
  * Force a structure to be packed
  */
@@ -91,6 +91,11 @@ typedef uint16_t unaligned_uint16_t;
  */
 #define __rte_weak __attribute__((__weak__))
 
+/**
+ * Force symbol to be generated even if it appears to be unused.
+ */
+#define __rte_used __attribute__((used))
+
 /*********** Macros to eliminate unused variable warnings ********/
 
 /**
@@ -177,6 +182,11 @@ static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void)
 #define RTE_FINI(func) \
 	RTE_FINI_PRIO(func, LAST)
 
+/**
+ * Hint never returning function
+ */
+#define __rte_noreturn __attribute__((noreturn))
+
 /**
  * Force a function to be inlined
  */
@@ -185,7 +195,17 @@ static void __attribute__((destructor(RTE_PRIO(prio)), used)) func(void)
 /**
  * Force a function to be noinlined
  */
-#define __rte_noinline  __attribute__((noinline))
+#define __rte_noinline __attribute__((noinline))
+
+/**
+ * Hint function in the hot path
+ */
+#define __rte_hot __attribute__((hot))
+
+/**
+ * Hint function in the cold path
+ */
+#define __rte_cold __attribute__((cold))
 
 /*********** Macros for pointer arithmetic ********/
 
@@ -389,7 +409,7 @@ __extension__ typedef uint64_t RTE_MARKER64[0];
  *    The combined value.
  */
 static inline uint32_t
-rte_combine32ms1b(register uint32_t x)
+rte_combine32ms1b(uint32_t x)
 {
 	x |= x >> 1;
 	x |= x >> 2;
@@ -411,7 +431,7 @@ rte_combine32ms1b(register uint32_t x)
  *    The combined value.
  */
 static inline uint64_t
-rte_combine64ms1b(register uint64_t v)
+rte_combine64ms1b(uint64_t v)
 {
 	v |= v >> 1;
 	v |= v >> 2;
@@ -717,7 +737,7 @@ rte_log2_u64(uint64_t v)
 #ifndef container_of
 #define container_of(ptr, type, member)	__extension__ ({		\
 			const typeof(((type *)0)->member) *_ptr = (ptr); \
-			__attribute__((unused)) type *_target_ptr =	\
+			__rte_unused type *_target_ptr =	\
 				(type *)(ptr);				\
 			(type *)(((uintptr_t)_ptr) - offsetof(type, member)); \
 		})
@@ -811,9 +831,8 @@ rte_str_to_size(const char *str)
  *     printf format characters which will be expanded using any further parameters
  *     to the function.
  */
-void
+__rte_noreturn void
 rte_exit(int exit_code, const char *format, ...)
-	__attribute__((noreturn))
 	__rte_format_printf(2, 3);
 
 #ifdef __cplusplus