1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2024 Meta Platforms, Inc. and affiliates. */
3 #include <vmlinux.h>
4 #include <bpf/bpf_helpers.h>
5 #include <bpf/bpf_tracing.h>
6 #include "../bpf_testmod/bpf_testmod.h"
7
8 char _license[] SEC("license") = "GPL";
9
10 int test_1_result = 0;
11 int test_2_result = 0;
12
13 SEC("struct_ops/test_1")
14 int BPF_PROG(test_1)
15 {
16 test_1_result = 0xdeadbeef;
17 return 0;
18 }
19
20 SEC("struct_ops/test_2")
21 void BPF_PROG(test_2, int a, int b)
22 {
23 test_2_result = a + b;
24 }
25
26 SEC("?struct_ops/test_3")
27 int BPF_PROG(test_3, int a, int b)
28 {
29 test_2_result = a + b + 3;
30 return a + b + 3;
31 }
32
33 SEC(".struct_ops.link")
34 struct bpf_testmod_ops testmod_1 = {
35 .test_1 = (void *)test_1,
36 .test_2 = (void *)test_2,
37 .data = 0x1,
38 };
39
40 SEC("struct_ops/test_2")
41 void BPF_PROG(test_2_v2, int a, int b)
42 {
43 test_2_result = a * b;
44 }
45
46 struct bpf_testmod_ops___v2 {
47 int (*test_1)(void);
48 void (*test_2)(int a, int b);
49 int (*test_maybe_null)(int dummy, struct task_struct *task);
50 };
51
52 SEC(".struct_ops.link")
53 struct bpf_testmod_ops___v2 testmod_2 = {
54 .test_1 = (void *)test_1,
55 .test_2 = (void *)test_2_v2,
56 };
57
58 struct bpf_testmod_ops___zeroed {
59 int (*test_1)(void);
60 void (*test_2)(int a, int b);
61 int (*test_maybe_null)(int dummy, struct task_struct *task);
62 void (*zeroed_op)(int a, int b);
63 int zeroed;
64 };
65
66 SEC("struct_ops/test_3")
67 int BPF_PROG(zeroed_op)
68 {
69 return 1;
70 }
71
72 SEC(".struct_ops.link")
73 struct bpf_testmod_ops___zeroed testmod_zeroed = {
74 .test_1 = (void *)test_1,
75 .test_2 = (void *)test_2_v2,
76 .zeroed_op = (void *)zeroed_op,
77 };
78
79 struct bpf_testmod_ops___incompatible {
80 int (*test_1)(void);
81 void (*test_2)(int *a);
82 int data;
83 };
84
85 SEC(".struct_ops.link")
86 struct bpf_testmod_ops___incompatible testmod_incompatible = {
87 .test_1 = (void *)test_1,
88 .test_2 = (void *)test_2,
89 .data = 3,
90 };
91
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