GBP plugin

[vpp.git] / src / vppinfra / clib.h

diff --git a/src/vppinfra/clib.h b/src/vppinfra/clib.h
index 0386c75..0d059a0 100644 (file)
--- a/src/vppinfra/clib.h
+++ b/src/vppinfra/clib.h
@@ -78,6 +78,14 @@
 #define CLIB_PACKED(x) x __attribute__ ((packed))
 #define CLIB_UNUSED(x) x __attribute__ ((unused))
 
+/* Make a string from the macro's argument */
+#define CLIB_STRING_MACRO(x) #x
+
+#define __clib_unused __attribute__ ((unused))
+#define __clib_weak __attribute__ ((weak))
+#define __clib_packed __attribute__ ((packed))
+#define __clib_constructor __attribute__ ((constructor))
+
 #define never_inline __attribute__ ((__noinline__))
 
 #if CLIB_DEBUG > 0
@@ -100,6 +108,12 @@
 /* Full memory barrier (read and write). */
 #define CLIB_MEMORY_BARRIER() __sync_synchronize ()
 
+#if __x86_64__
+#define CLIB_MEMORY_STORE_BARRIER() __builtin_ia32_sfence ()
+#else
+#define CLIB_MEMORY_STORE_BARRIER() __sync_synchronize ()
+#endif
+
 /* Arranges for function to be called before main. */
 #define INIT_FUNCTION(decl)                    \
   decl __attribute ((constructor));            \