1 // SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
2 
3 /*
4  * BTF-to-C dumper test for topological sorting of dependent structs.
5  *
6  * Copyright (c) 2019 Facebook
7  */
8 /* ----- START-EXPECTED-OUTPUT ----- */
9 struct s1 {};
10 
11 struct s3;
12 
13 struct s4;
14 
15 struct s2 {
16 	struct s2 *s2;
17 	struct s3 *s3;
18 	struct s4 *s4;
19 };
20 
21 struct s3 {
22 	struct s1 s1;
23 	struct s2 s2;
24 };
25 
26 struct s4 {
27 	struct s1 s1;
28 	struct s3 s3;
29 };
30 
31 struct list_head {
32 	struct list_head *next;
33 	struct list_head *prev;
34 };
35 
36 struct hlist_node {
37 	struct hlist_node *next;
38 	struct hlist_node **pprev;
39 };
40 
41 struct hlist_head {
42 	struct hlist_node *first;
43 };
44 
45 struct callback_head {
46 	struct callback_head *next;
47 	void (*func)(struct callback_head *);
48 };
49 
50 struct root_struct {
51 	struct s4 s4;
52 	struct list_head l;
53 	struct hlist_node n;
54 	struct hlist_head h;
55 	struct callback_head cb;
56 };
57 
58 /*------ END-EXPECTED-OUTPUT ------ */
59 
f(struct root_struct * root)60 int f(struct root_struct *root)
61 {
62 	return 0;
63 }
64