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