119 #define SYSCALL_TRACE_ENTER_EVENT(sname)				\  argument
120 	static struct syscall_metadata __syscall_meta_##sname;		\
122 	  event_enter_##sname = {					\
125 			.name                   = "sys_enter"#sname,	\
128 		.data			= (void *)&__syscall_meta_##sname,\
133 	 *__event_enter_##sname = &event_enter_##sname;
135 #define SYSCALL_TRACE_EXIT_EVENT(sname)					\  argument
136 	static struct syscall_metadata __syscall_meta_##sname;		\
138 	  event_exit_##sname = {					\
141 			.name                   = "sys_exit"#sname,	\
144 		.data			= (void *)&__syscall_meta_##sname,\
149 	*__event_exit_##sname = &event_exit_##sname;
151 #define SYSCALL_METADATA(sname, nb, ...)			\  argument
152 	static const char *types_##sname[] = {			\
155 	static const char *args_##sname[] = {			\
158 	SYSCALL_TRACE_ENTER_EVENT(sname);			\
159 	SYSCALL_TRACE_EXIT_EVENT(sname);			\
161 	  __syscall_meta_##sname = {				\
162 		.name 		= "sys"#sname,			\
165 		.types		= nb ? types_##sname : NULL,	\
166 		.args		= nb ? args_##sname : NULL,	\
167 		.enter_event	= &event_enter_##sname,		\
168 		.exit_event	= &event_exit_##sname,		\
169 		.enter_fields	= LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
173 	 *__p_syscall_meta_##sname = &__syscall_meta_##sname;
175 #define SYSCALL_METADATA(sname, nb, ...)  argument
178 #define SYSCALL_DEFINE0(sname)					\  argument
179 	SYSCALL_METADATA(_##sname, 0);				\
180 	asmlinkage long sys_##sname(void)
189 #define SYSCALL_DEFINEx(x, sname, ...)				\  argument
190 	SYSCALL_METADATA(sname, x, __VA_ARGS__)			\
191 	__SYSCALL_DEFINEx(x, sname, __VA_ARGS__)