Merge branch 'mhi-net-immutable' of https://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-microblaze.git] / tools / testing / selftests / bpf / progs / test_ksyms_module.c
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2021 Facebook */
3
4 #include "vmlinux.h"
5
6 #include <bpf/bpf_helpers.h>
7
8 extern const int bpf_testmod_ksym_percpu __ksym;
9
10 int out_mod_ksym_global = 0;
11 bool triggered = false;
12
13 SEC("raw_tp/sys_enter")
14 int handler(const void *ctx)
15 {
16         int *val;
17         __u32 cpu;
18
19         val = (int *)bpf_this_cpu_ptr(&bpf_testmod_ksym_percpu);
20         out_mod_ksym_global = *val;
21         triggered = true;
22
23         return 0;
24 }
25
26 char LICENSE[] SEC("license") = "GPL";