1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2022 Facebook */
3 #include "vmlinux.h"
4 #include <bpf/bpf_helpers.h>
5 #include <bpf/bpf_tracing.h>
6
7 struct bpf_testmod_btf_type_tag_1 {
8 int a;
9 };
10
11 struct bpf_testmod_btf_type_tag_2 {
12 struct bpf_testmod_btf_type_tag_1 *p;
13 };
14
15 int g;
16
17 SEC("fentry/bpf_testmod_test_btf_type_tag_user_1")
BPF_PROG(test_user1,struct bpf_testmod_btf_type_tag_1 * arg)18 int BPF_PROG(test_user1, struct bpf_testmod_btf_type_tag_1 *arg)
19 {
20 g = arg->a;
21 return 0;
22 }
23
24 SEC("fentry/bpf_testmod_test_btf_type_tag_user_2")
BPF_PROG(test_user2,struct bpf_testmod_btf_type_tag_2 * arg)25 int BPF_PROG(test_user2, struct bpf_testmod_btf_type_tag_2 *arg)
26 {
27 g = arg->p->a;
28 return 0;
29 }
30
31 /* int __sys_getsockname(int fd, struct sockaddr __user *usockaddr,
32 * int __user *usockaddr_len);
33 */
34 SEC("fentry/__sys_getsockname")
BPF_PROG(test_sys_getsockname,int fd,struct sockaddr * usockaddr,int * usockaddr_len)35 int BPF_PROG(test_sys_getsockname, int fd, struct sockaddr *usockaddr,
36 int *usockaddr_len)
37 {
38 g = usockaddr->sa_family;
39 return 0;
40 }
41