Orange Pi5 kernel

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _TRACE_SYSCALL_H
#define _TRACE_SYSCALL_H
 
#include <linux/tracepoint.h>
#include <linux/unistd.h>
#include <linux/trace_events.h>
#include <linux/thread_info.h>
 
#include <asm/ptrace.h>
 
 
/*
 * A syscall entry in the ftrace syscalls array.
 *
 * @name: name of the syscall
 * @syscall_nr: number of the syscall
 * @nb_args: number of parameters it takes
 * @types: list of types as strings
 * @args: list of args as strings (args[i] matches types[i])
 * @enter_fields: list of fields for syscall_enter trace event
 * @enter_event: associated syscall_enter trace event
 * @exit_event: associated syscall_exit trace event
 */
struct syscall_metadata {
<------>const char	*name;
<------>int		syscall_nr;
<------>int		nb_args;
<------>const char	**types;
<------>const char	**args;
<------>struct list_head enter_fields;
 
<------>struct trace_event_call *enter_event;
<------>struct trace_event_call *exit_event;
};
 
#if defined(CONFIG_TRACEPOINTS) && defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
static inline void syscall_tracepoint_update(struct task_struct *p)
{
<------>if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
<------><------>set_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
<------>else
<------><------>clear_tsk_thread_flag(p, TIF_SYSCALL_TRACEPOINT);
}
#else
static inline void syscall_tracepoint_update(struct task_struct *p)
{
}
#endif
 
#endif /* _TRACE_SYSCALL_H */