1// SPDX-License-Identifier: GPL-2.0 2/* Copyright (c) 2023 Red Hat, Inc. */ 3#include <linux/bpf.h> 4#include <bpf/bpf_helpers.h> 5#include <bpf/bpf_tracing.h> 6 7char _license[] SEC("license") = "GPL"; 8 9/* Dummy fentry bpf prog for testing fentry attachment chains. It's going to be 10 * a start of the chain. 11 */ 12SEC("fentry/bpf_testmod_fentry_test1") 13int BPF_PROG(test1, int a) 14{ 15 return 0; 16} 17 18/* Dummy bpf prog for testing attach_btf presence when attaching an fentry 19 * program. 20 */ 21SEC("raw_tp/sys_enter") 22int BPF_PROG(fentry_target, struct pt_regs *regs, long id) 23{ 24 return 0; 25} 26