| // SPDX-License-Identifier: GPL-2.0 |
| /* Copyright (C) 2023 Yafang Shao <laoar.shao@gmail.com> */ |
| |
| #include "vmlinux.h" |
| #include <bpf/bpf_tracing.h> |
| |
| char tp_name[128]; |
| |
| SEC("lsm.s/bpf") |
| int BPF_PROG(lsm_run, int cmd, union bpf_attr *attr, unsigned int size) |
| { |
| switch (cmd) { |
| case BPF_RAW_TRACEPOINT_OPEN: |
| bpf_copy_from_user(tp_name, sizeof(tp_name) - 1, |
| (void *)attr->raw_tracepoint.name); |
| break; |
| default: |
| break; |
| } |
| return 0; |
| } |
| |
| SEC("raw_tracepoint") |
| int BPF_PROG(raw_tp_run) |
| { |
| return 0; |
| } |
| |
| char _license[] SEC("license") = "GPL"; |