| 1 | // SPDX-License-Identifier: GPL-2.0 |
|---|---|
| 2 | /* Copyright (c) 2020 Facebook */ |
| 3 | |
| 4 | #include <stdbool.h> |
| 5 | #include <linux/bpf.h> |
| 6 | #include <bpf/bpf_helpers.h> |
| 7 | |
| 8 | int in = 0; |
| 9 | int out = 0; |
| 10 | |
| 11 | SEC("raw_tp/sys_enter") |
| 12 | int raw_tp_prog(const void *ctx) |
| 13 | { |
| 14 | out = in; |
| 15 | return 0; |
| 16 | } |
| 17 | |
| 18 | SEC("tp_btf/sys_enter") |
| 19 | int tp_btf_prog(const void *ctx) |
| 20 | { |
| 21 | out = in; |
| 22 | return 0; |
| 23 | } |
| 24 | |
| 25 | char _license[] SEC("license") = "GPL"; |
| 26 |