Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
47788c58 FW |
2 | #ifndef _TRACE_SYSCALL_H |
3 | #define _TRACE_SYSCALL_H | |
4 | ||
a871bd33 | 5 | #include <linux/tracepoint.h> |
fb34a08c | 6 | #include <linux/unistd.h> |
af658dca | 7 | #include <linux/trace_events.h> |
4af4206b | 8 | #include <linux/thread_info.h> |
a871bd33 | 9 | |
47788c58 FW |
10 | #include <asm/ptrace.h> |
11 | ||
a871bd33 | 12 | |
47788c58 FW |
13 | /* |
14 | * A syscall entry in the ftrace syscalls array. | |
15 | * | |
16 | * @name: name of the syscall | |
c252f657 | 17 | * @syscall_nr: number of the syscall |
47788c58 FW |
18 | * @nb_args: number of parameters it takes |
19 | * @types: list of types as strings | |
20 | * @args: list of args as strings (args[i] matches types[i]) | |
44a6a4ee | 21 | * @enter_fields: list of fields for syscall_enter trace event |
540b7b8d LZ |
22 | * @enter_event: associated syscall_enter trace event |
23 | * @exit_event: associated syscall_exit trace event | |
47788c58 FW |
24 | */ |
25 | struct syscall_metadata { | |
26 | const char *name; | |
c252f657 | 27 | int syscall_nr; |
47788c58 FW |
28 | int nb_args; |
29 | const char **types; | |
30 | const char **args; | |
2e33af02 | 31 | struct list_head enter_fields; |
540b7b8d | 32 | |
2425bcb9 SRRH |
33 | struct trace_event_call *enter_event; |
34 | struct trace_event_call *exit_event; | |
47788c58 FW |
35 | }; |
36 | ||
4af4206b ON |
37 | #if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS) |
38 | static inline void syscall_tracepoint_update(struct task_struct *p) | |
39 | { | |
524666cb GKB |
40 | if (test_syscall_work(SYSCALL_TRACEPOINT)) |
41 | set_task_syscall_work(p, SYSCALL_TRACEPOINT); | |
4af4206b | 42 | else |
524666cb | 43 | clear_task_syscall_work(p, SYSCALL_TRACEPOINT); |
4af4206b ON |
44 | } |
45 | #else | |
46 | static inline void syscall_tracepoint_update(struct task_struct *p) | |
47 | { | |
48 | } | |
49 | #endif | |
50 | ||
47788c58 | 51 | #endif /* _TRACE_SYSCALL_H */ |