1 #ifndef _TRACE_SYSCALL_H
2 #define _TRACE_SYSCALL_H
4 #include <linux/tracepoint.h>
5 #include <linux/unistd.h>
6 #include <linux/ftrace_event.h>
7 #include <linux/thread_info.h>
9 #include <asm/ptrace.h>
13 * A syscall entry in the ftrace syscalls array.
15 * @name: name of the syscall
16 * @syscall_nr: number of the syscall
17 * @nb_args: number of parameters it takes
18 * @types: list of types as strings
19 * @args: list of args as strings (args[i] matches types[i])
20 * @enter_event: associated syscall_enter trace event
21 * @exit_event: associated syscall_exit trace event
23 struct syscall_metadata {
29 struct list_head enter_fields;
31 struct ftrace_event_call *enter_event;
32 struct ftrace_event_call *exit_event;
35 #if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
36 static inline void syscall_tracepoint_update(struct task_struct *p)
38 if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
39 set_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
41 clear_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
44 static inline void syscall_tracepoint_update(struct task_struct *p)
49 #endif /* _TRACE_SYSCALL_H */