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1// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
2
3/*
4 * BTF-to-C dumper tests for struct packing determination.
5 *
6 * Copyright (c) 2019 Facebook
7 */
8/* ----- START-EXPECTED-OUTPUT ----- */
9struct packed_trailing_space {
10 int a;
11 short b;
12} __attribute__((packed));
13
14struct non_packed_trailing_space {
15 int a;
16 short b;
17};
18
19struct packed_fields {
20 short a;
21 int b;
22} __attribute__((packed));
23
24struct non_packed_fields {
25 short a;
26 int b;
27};
28
29struct nested_packed {
30 char: 4;
31 int a: 4;
32 long b;
33 struct {
34 char c;
35 int d;
36 } __attribute__((packed)) e;
37} __attribute__((packed));
38
39union union_is_never_packed {
40 int a: 4;
41 char b;
42 char c: 1;
43};
44
45union union_does_not_need_packing {
46 struct {
47 long a;
48 int b;
49 } __attribute__((packed));
50 int c;
51};
52
53union jump_code_union {
54 char code[5];
55 struct {
56 char jump;
57 int offset;
58 } __attribute__((packed));
59};
60
61/* ----- START-EXPECTED-OUTPUT ----- */
62/*
63 *struct nested_packed_but_aligned_struct {
64 * int x1;
65 * int x2;
66 *};
67 *
68 *struct outer_implicitly_packed_struct {
69 * char y1;
70 * struct nested_packed_but_aligned_struct y2;
71 *} __attribute__((packed));
72 *
73 */
74/* ------ END-EXPECTED-OUTPUT ------ */
75
76struct nested_packed_but_aligned_struct {
77 int x1;
78 int x2;
79} __attribute__((packed));
80
81struct outer_implicitly_packed_struct {
82 char y1;
83 struct nested_packed_but_aligned_struct y2;
84};
85/* ----- START-EXPECTED-OUTPUT ----- */
86/*
87 *struct usb_ss_ep_comp_descriptor {
88 * char: 8;
89 * char bDescriptorType;
90 * char bMaxBurst;
91 * short wBytesPerInterval;
92 *};
93 *
94 *struct usb_host_endpoint {
95 * long: 64;
96 * char: 8;
97 * struct usb_ss_ep_comp_descriptor ss_ep_comp;
98 * long: 0;
99 *} __attribute__((packed));
100 *
101 */
102/* ------ END-EXPECTED-OUTPUT ------ */
103
104struct usb_ss_ep_comp_descriptor {
105 char: 8;
106 char bDescriptorType;
107 char bMaxBurst;
108 int: 0;
109 short wBytesPerInterval;
110} __attribute__((packed));
111
112struct usb_host_endpoint {
113 long: 64;
114 char: 8;
115 struct usb_ss_ep_comp_descriptor ss_ep_comp;
116 long: 0;
117};
118
119/* ----- START-EXPECTED-OUTPUT ----- */
120struct nested_packed_struct {
121 int a;
122 char b;
123} __attribute__((packed));
124
125struct outer_nonpacked_struct {
126 short a;
127 struct nested_packed_struct b;
128};
129
130struct outer_packed_struct {
131 short a;
132 struct nested_packed_struct b;
133} __attribute__((packed));
134
135/* ------ END-EXPECTED-OUTPUT ------ */
136
137int f(struct {
138 struct packed_trailing_space _1;
139 struct non_packed_trailing_space _2;
140 struct packed_fields _3;
141 struct non_packed_fields _4;
142 struct nested_packed _5;
143 union union_is_never_packed _6;
144 union union_does_not_need_packing _7;
145 union jump_code_union _8;
146 struct outer_implicitly_packed_struct _9;
147 struct usb_host_endpoint _10;
148 struct outer_nonpacked_struct _11;
149 struct outer_packed_struct _12;
150} *_)
151{
152 return 0;
153}
1// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
2
3/*
4 * BTF-to-C dumper tests for struct packing determination.
5 *
6 * Copyright (c) 2019 Facebook
7 */
8/* ----- START-EXPECTED-OUTPUT ----- */
9struct packed_trailing_space {
10 int a;
11 short b;
12} __attribute__((packed));
13
14struct non_packed_trailing_space {
15 int a;
16 short b;
17};
18
19struct packed_fields {
20 short a;
21 int b;
22} __attribute__((packed));
23
24struct non_packed_fields {
25 short a;
26 int b;
27};
28
29struct nested_packed {
30 char: 4;
31 int a: 4;
32 long b;
33 struct {
34 char c;
35 int d;
36 } __attribute__((packed)) e;
37} __attribute__((packed));
38
39union union_is_never_packed {
40 int a: 4;
41 char b;
42 char c: 1;
43};
44
45union union_does_not_need_packing {
46 struct {
47 long a;
48 int b;
49 } __attribute__((packed));
50 int c;
51};
52
53union jump_code_union {
54 char code[5];
55 struct {
56 char jump;
57 int offset;
58 } __attribute__((packed));
59};
60
61/* ----- START-EXPECTED-OUTPUT ----- */
62/*
63 *struct nested_packed_but_aligned_struct {
64 * int x1;
65 * int x2;
66 *};
67 *
68 *struct outer_implicitly_packed_struct {
69 * char y1;
70 * struct nested_packed_but_aligned_struct y2;
71 *} __attribute__((packed));
72 *
73 */
74/* ------ END-EXPECTED-OUTPUT ------ */
75
76struct nested_packed_but_aligned_struct {
77 int x1;
78 int x2;
79} __attribute__((packed));
80
81struct outer_implicitly_packed_struct {
82 char y1;
83 struct nested_packed_but_aligned_struct y2;
84};
85/* ----- START-EXPECTED-OUTPUT ----- */
86/*
87 *struct usb_ss_ep_comp_descriptor {
88 * char: 8;
89 * char bDescriptorType;
90 * char bMaxBurst;
91 * short wBytesPerInterval;
92 *};
93 *
94 *struct usb_host_endpoint {
95 * long: 64;
96 * char: 8;
97 * struct usb_ss_ep_comp_descriptor ss_ep_comp;
98 * long: 0;
99 *} __attribute__((packed));
100 *
101 */
102/* ------ END-EXPECTED-OUTPUT ------ */
103
104struct usb_ss_ep_comp_descriptor {
105 char: 8;
106 char bDescriptorType;
107 char bMaxBurst;
108 int: 0;
109 short wBytesPerInterval;
110} __attribute__((packed));
111
112struct usb_host_endpoint {
113 long: 64;
114 char: 8;
115 struct usb_ss_ep_comp_descriptor ss_ep_comp;
116 long: 0;
117};
118
119/* ----- START-EXPECTED-OUTPUT ----- */
120struct nested_packed_struct {
121 int a;
122 char b;
123} __attribute__((packed));
124
125struct outer_nonpacked_struct {
126 short a;
127 struct nested_packed_struct b;
128};
129
130struct outer_packed_struct {
131 short a;
132 struct nested_packed_struct b;
133} __attribute__((packed));
134
135/* ------ END-EXPECTED-OUTPUT ------ */
136
137int f(struct {
138 struct packed_trailing_space _1;
139 struct non_packed_trailing_space _2;
140 struct packed_fields _3;
141 struct non_packed_fields _4;
142 struct nested_packed _5;
143 union union_is_never_packed _6;
144 union union_does_not_need_packing _7;
145 union jump_code_union _8;
146 struct outer_implicitly_packed_struct _9;
147 struct usb_host_endpoint _10;
148 struct outer_nonpacked_struct _11;
149 struct outer_packed_struct _12;
150} *_)
151{
152 return 0;
153}