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