/* 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_syscall_work(SYSCALL_TRACEPOINT))
set_task_syscall_work(p, SYSCALL_TRACEPOINT);
else
clear_task_syscall_work(p, SYSCALL_TRACEPOINT);
}
#else
static inline void syscall_tracepoint_update(struct task_struct *p)
{
}
#endif
#endif /* _TRACE_SYSCALL_H */
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(vorverarbeitet am 2026-09-29)
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