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1 | /* This testcase is part of GDB, the GNU debugger. |
2 | ||
213516ef | 3 | Copyright 2014-2023 Free Software Foundation, Inc. |
3f00c730 GB |
4 | |
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 3 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
17 | ||
18 | #include <stddef.h> | |
19 | #define SIZE 5 | |
20 | ||
21 | struct foo | |
22 | { | |
23 | int a; | |
24 | }; | |
25 | ||
26 | typedef struct bar | |
27 | { | |
28 | int x; | |
29 | struct foo y; | |
30 | } BAR; | |
31 | ||
32 | void | |
33 | vla_factory (int n) | |
34 | { | |
35 | struct vla_struct | |
36 | { | |
37 | int something; | |
38 | int vla_field[n]; | |
39 | }; | |
40 | /* Define a typedef for a VLA structure. */ | |
41 | typedef struct vla_struct vla_struct_typedef; | |
42 | vla_struct_typedef vla_struct_object; | |
43 | ||
44 | struct inner_vla_struct | |
45 | { | |
46 | int something; | |
47 | int vla_field[n]; | |
48 | int after; | |
49 | } inner_vla_struct_object; | |
50 | ||
51 | /* Define a structure which uses a typedef for the VLA field | |
52 | to make sure that GDB creates the proper type for this field, | |
53 | preventing a possible assertion failure (see gdb/21356). */ | |
54 | struct vla_struct_typedef_struct_member | |
55 | { | |
56 | int something; | |
57 | vla_struct_typedef vla_object; | |
58 | } vla_struct_typedef_struct_member_object; | |
59 | ||
60 | union vla_union | |
61 | { | |
62 | int vla_field[n]; | |
63 | } vla_union_object; | |
64 | ||
65 | /* Like vla_struct_typedef_struct_member but a union type. */ | |
66 | union vla_struct_typedef_union_member | |
67 | { | |
68 | int something; | |
69 | vla_struct_typedef vla_object; | |
70 | } vla_struct_typedef_union_member_object; | |
71 | int i; | |
72 | ||
73 | vla_struct_object.something = n; | |
74 | inner_vla_struct_object.something = n; | |
75 | inner_vla_struct_object.after = n; | |
76 | vla_struct_typedef_struct_member_object.something = n * 2; | |
77 | vla_struct_typedef_struct_member_object.vla_object.something = n * 3; | |
78 | vla_struct_typedef_union_member_object.vla_object.something = n + 1; | |
79 | ||
80 | for (i = 0; i < n; i++) | |
81 | { | |
82 | vla_struct_object.vla_field[i] = i*2; | |
83 | vla_union_object.vla_field[i] = i*2; | |
84 | inner_vla_struct_object.vla_field[i] = i*2; | |
85 | vla_struct_typedef_struct_member_object.vla_object.vla_field[i] | |
86 | = i * 3; | |
87 | vla_struct_typedef_union_member_object.vla_object.vla_field[i] | |
88 | = i * 3 - 1; | |
89 | } | |
90 | ||
91 | size_t vla_struct_object_size | |
92 | = sizeof(vla_struct_object); /* vlas_filled */ | |
93 | size_t vla_union_object_size = sizeof(vla_union_object); | |
94 | size_t inner_vla_struct_object_size = sizeof(inner_vla_struct_object); | |
95 | ||
96 | return; /* break_end_of_vla_factory */ | |
97 | } | |
98 | ||
99 | int | |
100 | main (void) | |
101 | { | |
102 | vla_factory(SIZE); | |
103 | return 0; | |
104 | } |