1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* Copyright (c) 2019 Facebook */ |
3 | #include <linux/bpf.h> |
4 | #include <bpf/bpf_helpers.h> |
5 | #include <bpf/bpf_tracing.h> |
6 | |
7 | char _license[] SEC("license" ) = "GPL" ; |
8 | |
9 | __u64 test1_result = 0; |
10 | SEC("fexit/bpf_fentry_test1" ) |
11 | int BPF_PROG(test1, int a, int ret) |
12 | { |
13 | test1_result = a == 1 && ret == 2; |
14 | return 0; |
15 | } |
16 | |
17 | __u64 test2_result = 0; |
18 | SEC("fexit/bpf_fentry_test2" ) |
19 | int BPF_PROG(test2, int a, __u64 b, int ret) |
20 | { |
21 | test2_result = a == 2 && b == 3 && ret == 5; |
22 | return 0; |
23 | } |
24 | |
25 | __u64 test3_result = 0; |
26 | SEC("fexit/bpf_fentry_test3" ) |
27 | int BPF_PROG(test3, char a, int b, __u64 c, int ret) |
28 | { |
29 | test3_result = a == 4 && b == 5 && c == 6 && ret == 15; |
30 | return 0; |
31 | } |
32 | |
33 | __u64 test4_result = 0; |
34 | SEC("fexit/bpf_fentry_test4" ) |
35 | int BPF_PROG(test4, void *a, char b, int c, __u64 d, int ret) |
36 | { |
37 | test4_result = a == (void *)7 && b == 8 && c == 9 && d == 10 && |
38 | ret == 34; |
39 | return 0; |
40 | } |
41 | |
42 | __u64 test5_result = 0; |
43 | SEC("fexit/bpf_fentry_test5" ) |
44 | int BPF_PROG(test5, __u64 a, void *b, short c, int d, __u64 e, int ret) |
45 | { |
46 | test5_result = a == 11 && b == (void *)12 && c == 13 && d == 14 && |
47 | e == 15 && ret == 65; |
48 | return 0; |
49 | } |
50 | |
51 | __u64 test6_result = 0; |
52 | SEC("fexit/bpf_fentry_test6" ) |
53 | int BPF_PROG(test6, __u64 a, void *b, short c, int d, void *e, __u64 f, int ret) |
54 | { |
55 | test6_result = a == 16 && b == (void *)17 && c == 18 && d == 19 && |
56 | e == (void *)20 && f == 21 && ret == 111; |
57 | return 0; |
58 | } |
59 | |
60 | struct bpf_fentry_test_t { |
61 | struct bpf_fentry_test *a; |
62 | }; |
63 | |
64 | __u64 test7_result = 0; |
65 | SEC("fexit/bpf_fentry_test7" ) |
66 | int BPF_PROG(test7, struct bpf_fentry_test_t *arg) |
67 | { |
68 | if (!arg) |
69 | test7_result = 1; |
70 | return 0; |
71 | } |
72 | |
73 | __u64 test8_result = 0; |
74 | SEC("fexit/bpf_fentry_test8" ) |
75 | int BPF_PROG(test8, struct bpf_fentry_test_t *arg) |
76 | { |
77 | if (!arg->a) |
78 | test8_result = 1; |
79 | return 0; |
80 | } |
81 | |