1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2019 Facebook */
3 #include <linux/bpf.h>
4 #include "bpf_helpers.h"
5 #include "bpf_trace_helpers.h"
6 
7 char _license[] SEC("license") = "GPL";
8 
9 __u64 test1_result = 0;
10 BPF_TRACE_2("fexit/bpf_fentry_test1", test1, int, a, int, ret)
11 {
12 	test1_result = a == 1 && ret == 2;
13 	return 0;
14 }
15 
16 __u64 test2_result = 0;
17 BPF_TRACE_3("fexit/bpf_fentry_test2", test2, int, a, __u64, b, int, ret)
18 {
19 	test2_result = a == 2 && b == 3 && ret == 5;
20 	return 0;
21 }
22 
23 __u64 test3_result = 0;
24 BPF_TRACE_4("fexit/bpf_fentry_test3", test3, char, a, int, b, __u64, c, int, ret)
25 {
26 	test3_result = a == 4 && b == 5 && c == 6 && ret == 15;
27 	return 0;
28 }
29 
30 __u64 test4_result = 0;
31 BPF_TRACE_5("fexit/bpf_fentry_test4", test4,
32 	    void *, a, char, b, int, c, __u64, d, int, ret)
33 {
34 
35 	test4_result = a == (void *)7 && b == 8 && c == 9 && d == 10 &&
36 		ret == 34;
37 	return 0;
38 }
39 
40 __u64 test5_result = 0;
41 BPF_TRACE_6("fexit/bpf_fentry_test5", test5,
42 	    __u64, a, void *, b, short, c, int, d, __u64, e, int, ret)
43 {
44 	test5_result = a == 11 && b == (void *)12 && c == 13 && d == 14 &&
45 		e == 15 && ret == 65;
46 	return 0;
47 }
48 
49 __u64 test6_result = 0;
50 BPF_TRACE_7("fexit/bpf_fentry_test6", test6,
51 	    __u64, a, void *, b, short, c, int, d, void *, e, __u64, f,
52 	    int, ret)
53 {
54 	test6_result = a == 16 && b == (void *)17 && c == 18 && d == 19 &&
55 		e == (void *)20 && f == 21 && ret == 111;
56 	return 0;
57 }
58