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Commit | Line | Data |
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47788c58 FW |
1 | #ifndef _TRACE_SYSCALL_H |
2 | #define _TRACE_SYSCALL_H | |
3 | ||
a871bd33 | 4 | #include <linux/tracepoint.h> |
fb34a08c | 5 | #include <linux/unistd.h> |
af658dca | 6 | #include <linux/trace_events.h> |
4af4206b | 7 | #include <linux/thread_info.h> |
a871bd33 | 8 | |
47788c58 FW |
9 | #include <asm/ptrace.h> |
10 | ||
a871bd33 | 11 | |
47788c58 FW |
12 | /* |
13 | * A syscall entry in the ftrace syscalls array. | |
14 | * | |
15 | * @name: name of the syscall | |
c252f657 | 16 | * @syscall_nr: number of the syscall |
47788c58 FW |
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]) | |
44a6a4ee | 20 | * @enter_fields: list of fields for syscall_enter trace event |
540b7b8d LZ |
21 | * @enter_event: associated syscall_enter trace event |
22 | * @exit_event: associated syscall_exit trace event | |
47788c58 FW |
23 | */ |
24 | struct syscall_metadata { | |
25 | const char *name; | |
c252f657 | 26 | int syscall_nr; |
47788c58 FW |
27 | int nb_args; |
28 | const char **types; | |
29 | const char **args; | |
2e33af02 | 30 | struct list_head enter_fields; |
540b7b8d | 31 | |
2425bcb9 SRRH |
32 | struct trace_event_call *enter_event; |
33 | struct trace_event_call *exit_event; | |
47788c58 FW |
34 | }; |
35 | ||
4af4206b ON |
36 | #if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS) |
37 | static inline void syscall_tracepoint_update(struct task_struct *p) | |
38 | { | |
39 | if (test_thread_flag(TIF_SYSCALL_TRACEPOINT)) | |
40 | set_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT); | |
41 | else | |
42 | clear_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT); | |
43 | } | |
44 | #else | |
45 | static inline void syscall_tracepoint_update(struct task_struct *p) | |
46 | { | |
47 | } | |
48 | #endif | |
49 | ||
47788c58 | 50 | #endif /* _TRACE_SYSCALL_H */ |