xref: /linux/kernel/entry/syscall-common.c (revision 37a93dd5c49b5fda807fd204edf2547c3493319c)
1 // SPDX-License-Identifier: GPL-2.0
2 
3 #include <linux/entry-common.h>
4 
5 #define CREATE_TRACE_POINTS
6 #include <trace/events/syscalls.h>
7 
8 /* Out of line to prevent tracepoint code duplication */
9 
10 long trace_syscall_enter(struct pt_regs *regs, long syscall)
11 {
12 	trace_sys_enter(regs, syscall);
13 	/*
14 	 * Probes or BPF hooks in the tracepoint may have changed the
15 	 * system call number. Reread it.
16 	 */
17 	return syscall_get_nr(current, regs);
18 }
19 
20 void trace_syscall_exit(struct pt_regs *regs, long ret)
21 {
22 	trace_sys_exit(regs, ret);
23 }
24