+#define SYSCALL_TRACE_ENTER_EVENT(sname) \
+ static struct ftrace_event_call event_enter_##sname; \
+ struct trace_event enter_syscall_print_##sname = { \
+ .trace = print_syscall_enter, \
+ }; \
+ static int init_enter_##sname(struct ftrace_event_call *call) \
+ { \
+ int num, id; \
+ num = syscall_name_to_nr("sys"#sname); \
+ if (num < 0) \
+ return -ENOSYS; \
+ id = register_ftrace_event(&enter_syscall_print_##sname);\
+ if (!id) \
+ return -ENODEV; \
+ event_enter_##sname.id = id; \
+ set_syscall_enter_id(num, id); \
+ INIT_LIST_HEAD(&event_enter_##sname.fields); \
+ init_preds(&event_enter_##sname); \
+ return 0; \
+ } \
+ TRACE_SYS_ENTER_PROFILE(sname); \
+ static struct ftrace_event_call __used \
+ __attribute__((__aligned__(4))) \
+ __attribute__((section("_ftrace_events"))) \
+ event_enter_##sname = { \
+ .name = "sys_enter"#sname, \
+ .system = "syscalls", \
+ .event = &event_syscall_enter, \
+ .raw_init = init_enter_##sname, \
+ .show_format = syscall_enter_format, \
+ .define_fields = syscall_enter_define_fields, \
+ .regfunc = reg_event_syscall_enter, \
+ .unregfunc = unreg_event_syscall_enter, \
+ .data = "sys"#sname, \
+ TRACE_SYS_ENTER_PROFILE_INIT(sname) \
+ }
+
+#define SYSCALL_TRACE_EXIT_EVENT(sname) \
+ static struct ftrace_event_call event_exit_##sname; \
+ struct trace_event exit_syscall_print_##sname = { \
+ .trace = print_syscall_exit, \
+ }; \
+ static int init_exit_##sname(struct ftrace_event_call *call) \
+ { \
+ int num, id; \
+ num = syscall_name_to_nr("sys"#sname); \
+ if (num < 0) \
+ return -ENOSYS; \
+ id = register_ftrace_event(&exit_syscall_print_##sname);\
+ if (!id) \
+ return -ENODEV; \
+ event_exit_##sname.id = id; \
+ set_syscall_exit_id(num, id); \
+ INIT_LIST_HEAD(&event_exit_##sname.fields); \
+ init_preds(&event_exit_##sname); \
+ return 0; \
+ } \
+ TRACE_SYS_EXIT_PROFILE(sname); \
+ static struct ftrace_event_call __used \
+ __attribute__((__aligned__(4))) \
+ __attribute__((section("_ftrace_events"))) \
+ event_exit_##sname = { \
+ .name = "sys_exit"#sname, \
+ .system = "syscalls", \
+ .event = &event_syscall_exit, \
+ .raw_init = init_exit_##sname, \
+ .show_format = syscall_exit_format, \
+ .define_fields = syscall_exit_define_fields, \
+ .regfunc = reg_event_syscall_exit, \
+ .unregfunc = unreg_event_syscall_exit, \
+ .data = "sys"#sname, \
+ TRACE_SYS_EXIT_PROFILE_INIT(sname) \
+ }
+