Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _TRACE_SYSCALL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _TRACE_SYSCALL_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <linux/tracepoint.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <linux/unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/trace_events.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/thread_info.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <asm/ptrace.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  * A syscall entry in the ftrace syscalls array.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * @name: name of the syscall
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * @syscall_nr: number of the syscall
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  * @nb_args: number of parameters it takes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  * @types: list of types as strings
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  * @args: list of args as strings (args[i] matches types[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  * @enter_fields: list of fields for syscall_enter trace event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  * @enter_event: associated syscall_enter trace event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  * @exit_event: associated syscall_exit trace event
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) struct syscall_metadata {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	const char	*name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	int		syscall_nr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	int		nb_args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	const char	**types;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	const char	**args;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	struct list_head enter_fields;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	struct trace_event_call *enter_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	struct trace_event_call *exit_event;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static inline void syscall_tracepoint_update(struct task_struct *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		set_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 		clear_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) static inline void syscall_tracepoint_update(struct task_struct *p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #endif /* _TRACE_SYSCALL_H */