1// SPDX-License-Identifier: GPL-2.0
 2
 3#include <linux/bpf.h>
 4#include <bpf/bpf_helpers.h>
 5#include <bpf/bpf_tracing.h>
 6
 7char _license[] SEC("license") = "GPL";
 8
 9int test_1_result = 0;
10
11SEC("struct_ops/test_1")
12int BPF_PROG(test_1)
13{
14	test_1_result = 42;
15	return 0;
16}
17
18SEC("struct_ops/test_1")
19int BPF_PROG(test_2)
20{
21	return 0;
22}
23
24struct bpf_testmod_ops___v1 {
25	int (*test_1)(void);
26};
27
28struct bpf_testmod_ops___v2 {
29	int (*test_1)(void);
30	int (*does_not_exist)(void);
31};
32
33SEC(".struct_ops.link")
34struct bpf_testmod_ops___v1 testmod_1 = {
35	.test_1 = (void *)test_1
36};
37
38SEC(".struct_ops.link")
39struct bpf_testmod_ops___v2 testmod_2 = {
40	.test_1 = (void *)test_1,
41	.does_not_exist = (void *)test_2
42};
43
44SEC("?.struct_ops")
45struct bpf_testmod_ops___v1 optional_map = {
46	.test_1 = (void *)test_1,
47};
48
49SEC("?.struct_ops.link")
50struct bpf_testmod_ops___v1 optional_map2 = {
51	.test_1 = (void *)test_1,
52};