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-rw-r--r--include/trace/syscall.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index 73fb8b4a9955..df628404241a 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -32,23 +32,31 @@ DECLARE_TRACE_WITH_CALLBACK(syscall_exit,
32 * @nb_args: number of parameters it takes 32 * @nb_args: number of parameters it takes
33 * @types: list of types as strings 33 * @types: list of types as strings
34 * @args: list of args as strings (args[i] matches types[i]) 34 * @args: list of args as strings (args[i] matches types[i])
35 * @enter_id: associated ftrace enter event id
36 * @exit_id: associated ftrace exit event id
35 */ 37 */
36struct syscall_metadata { 38struct syscall_metadata {
37 const char *name; 39 const char *name;
38 int nb_args; 40 int nb_args;
39 const char **types; 41 const char **types;
40 const char **args; 42 const char **args;
43 int enter_id;
44 int exit_id;
41}; 45};
42 46
43#ifdef CONFIG_FTRACE_SYSCALLS 47#ifdef CONFIG_FTRACE_SYSCALLS
44extern struct syscall_metadata *syscall_nr_to_meta(int nr); 48extern struct syscall_metadata *syscall_nr_to_meta(int nr);
45extern int syscall_name_to_nr(char *name); 49extern int syscall_name_to_nr(char *name);
50void set_syscall_enter_id(int num, int id);
51void set_syscall_exit_id(int num, int id);
46extern struct trace_event event_syscall_enter; 52extern struct trace_event event_syscall_enter;
47extern struct trace_event event_syscall_exit; 53extern struct trace_event event_syscall_exit;
48extern int reg_event_syscall_enter(void *ptr); 54extern int reg_event_syscall_enter(void *ptr);
49extern void unreg_event_syscall_enter(void *ptr); 55extern void unreg_event_syscall_enter(void *ptr);
50extern int reg_event_syscall_exit(void *ptr); 56extern int reg_event_syscall_exit(void *ptr);
51extern void unreg_event_syscall_exit(void *ptr); 57extern void unreg_event_syscall_exit(void *ptr);
58enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags);
59enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags);
52#endif 60#endif
53 61
54#endif /* _TRACE_SYSCALL_H */ 62#endif /* _TRACE_SYSCALL_H */