# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
#endif
+/* Use to export labels from asm. */
+#define LABEL_MANGLE(a) EXTERN_PREFIX #a
+
// Use rip-relative addressing if compiling PIC code on x86-64.
#if ARCH_X86_64 && defined(PIC)
# define LOCAL_MANGLE(a) #a "(%%rip)"