/*
 * decorators for definitions, depending on whether you want to use
 * -fvisibility=default or -fvisibility=hidden
 */
#define	EXPORT		__attribute__((visibility("default")))
#define	HIDDEN		__attribute__((visibility("hidden")))

/*
 * decorator for a definition that replaces an older definition with
 * the same name -- NAME must be declared in public header file, for
 * example `int64_t time(int64_t *)'; NAMEVER must be distinct, for
 * example `time64', and will be declared here
 */
#define	DEFAULTSYMVER(NAME,NAMEVER,VER)					      \
	__typeof(NAME) NAMEVER;						      \
	__asm(".symver " #NAMEVER "," #NAME "@@" #VER);			      \
	EXPORT

/*
 * decorator for the older definition -- NAME must have been declared
 * in old version of public header file, for example `int32_t
 * time(int32_t *)', and its declaration moved to a private compat
 * header file as NAMEVER, for example `int32_t time32(int32_t *)'
 */
#define	COMPATSYMVER(NAME,NAMEVER,VER)					      \
	__asm(".symver " #NAMEVER "," #NAME "@" #VER);			      \
	EXPORT

/*
 * decorator for the declaration in a .h file shared by compat library
 * and real library
 */
#define	PRIVATESYMDECL(NAME,VER)					      \
	__asm(".symver " #NAME "," #NAME "@" #VER)

/* decorator for the definition in the real library */
#define	PRIVATESYM(NAME,VER)						      \
	PRIVATESYMDECL(NAME,VER);					      \
	EXPORT