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
7char _license[] SEC("license") = "GPL";
8
9__u64 test1_result = 0;
10SEC("fexit/bpf_fentry_test1")
11int 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;
18SEC("fexit/bpf_fentry_test2")
19int 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;
26SEC("fexit/bpf_fentry_test3")
27int 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;
34SEC("fexit/bpf_fentry_test4")
35int 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;
43SEC("fexit/bpf_fentry_test5")
44int 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;
52SEC("fexit/bpf_fentry_test6")
53int 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
60struct bpf_fentry_test_t {
61	struct bpf_fentry_test *a;
62};
63
64__u64 test7_result = 0;
65SEC("fexit/bpf_fentry_test7")
66int 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;
74SEC("fexit/bpf_fentry_test8")
75int BPF_PROG(test8, struct bpf_fentry_test_t *arg)
76{
77	if (!arg->a)
78		test8_result = 1;
79	return 0;
80}
81