replace no-return attributes

[dpdk.git] / lib / librte_eal / include / rte_common.h

diff --git a/lib/librte_eal/include/rte_common.h b/lib/librte_eal/include/rte_common.h
index f820c2e..733447b 100644 (file)
--- a/lib/librte_eal/include/rte_common.h
+++ b/lib/librte_eal/include/rte_common.h
@@ -64,9 +64,9 @@ extern "C" {
 #endif
 
 #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;
@@ -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 ********/
 
@@ -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