| // SPDX-License-Identifier: GPL-2.0 | |
| /* Copyright (c) 2021 Facebook */ | |
| #include "vmlinux.h" | |
| #include <bpf/bpf_helpers.h> | |
| extern const int bpf_testmod_ksym_percpu __ksym; | |
| int out_mod_ksym_global = 0; | |
| bool triggered = false; | |
| SEC("raw_tp/sys_enter") | |
| int handler(const void *ctx) | |
| { | |
| int *val; | |
| __u32 cpu; | |
| val = (int *)bpf_this_cpu_ptr(&bpf_testmod_ksym_percpu); | |
| out_mod_ksym_global = *val; | |
| triggered = true; | |
| return 0; | |
| } | |
| char LICENSE[] SEC("license") = "GPL"; |