1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018 Facebook */
3
4 #include <linux/bpf.h>
5 #include <linux/btf.h>
6 #include <linux/err.h>
7 #include <linux/kernel.h>
8 #include <linux/filter.h>
9 #include <linux/unistd.h>
10 #include <bpf/bpf.h>
11 #include <libelf.h>
12 #include <gelf.h>
13 #include <string.h>
14 #include <stdlib.h>
15 #include <stdio.h>
16 #include <stdarg.h>
17 #include <unistd.h>
18 #include <fcntl.h>
19 #include <errno.h>
20 #include <assert.h>
21 #include <bpf/libbpf.h>
22 #include <bpf/btf.h>
23
24 #include "bpf_util.h"
25 #include "../test_btf.h"
26 #include "test_progs.h"
27
28 #define MAX_INSNS 512
29 #define MAX_SUBPROGS 16
30
31 static int duration = 0;
32 static bool always_log;
33
34 #undef CHECK
35 #define CHECK(condition, format...) _CHECK(condition, "check", duration, format)
36
37 #define NAME_TBD 0xdeadb33f
38
39 #define NAME_NTH(N) (0xfffe0000 | N)
40 #define IS_NAME_NTH(X) ((X & 0xffff0000) == 0xfffe0000)
41 #define GET_NAME_NTH_IDX(X) (X & 0x0000ffff)
42
43 #define MAX_NR_RAW_U32 1024
44 #define BTF_LOG_BUF_SIZE 65535
45
46 static char btf_log_buf[BTF_LOG_BUF_SIZE];
47
48 static struct btf_header hdr_tmpl = {
49 .magic = BTF_MAGIC,
50 .version = BTF_VERSION,
51 .hdr_len = sizeof(struct btf_header),
52 };
53
54 /* several different mapv kinds(types) supported by pprint */
55 enum pprint_mapv_kind_t {
56 PPRINT_MAPV_KIND_BASIC = 0,
57 PPRINT_MAPV_KIND_INT128,
58 };
59
60 struct btf_raw_test {
61 const char *descr;
62 const char *str_sec;
63 const char *map_name;
64 const char *err_str;
65 __u32 raw_types[MAX_NR_RAW_U32];
66 __u32 str_sec_size;
67 enum bpf_map_type map_type;
68 __u32 key_size;
69 __u32 value_size;
70 __u32 key_type_id;
71 __u32 value_type_id;
72 __u32 max_entries;
73 bool btf_load_err;
74 bool map_create_err;
75 bool ordered_map;
76 bool lossless_map;
77 bool percpu_map;
78 int hdr_len_delta;
79 int type_off_delta;
80 int str_off_delta;
81 int str_len_delta;
82 enum pprint_mapv_kind_t mapv_kind;
83 };
84
85 #define BTF_STR_SEC(str) \
86 .str_sec = str, .str_sec_size = sizeof(str)
87
88 static struct btf_raw_test raw_tests[] = {
89 /* enum E {
90 * E0,
91 * E1,
92 * };
93 *
94 * struct A {
95 * unsigned long long m;
96 * int n;
97 * char o;
98 * [3 bytes hole]
99 * int p[8];
100 * int q[4][8];
101 * enum E r;
102 * };
103 */
104 {
105 .descr = "struct test #1",
106 .raw_types = {
107 /* int */
108 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
109 /* unsigned long long */
110 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
111 /* char */
112 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
113 /* int[8] */
114 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
115 /* struct A { */ /* [5] */
116 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 6), 180),
117 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
118 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
119 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
120 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
121 BTF_MEMBER_ENC(NAME_TBD, 6, 384),/* int q[4][8] */
122 BTF_MEMBER_ENC(NAME_TBD, 7, 1408), /* enum E r */
123 /* } */
124 /* int[4][8] */
125 BTF_TYPE_ARRAY_ENC(4, 1, 4), /* [6] */
126 /* enum E */ /* [7] */
127 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)),
128 BTF_ENUM_ENC(NAME_TBD, 0),
129 BTF_ENUM_ENC(NAME_TBD, 1),
130 BTF_END_RAW,
131 },
132 .str_sec = "\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1",
133 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1"),
134 .map_type = BPF_MAP_TYPE_ARRAY,
135 .map_name = "struct_test1_map",
136 .key_size = sizeof(int),
137 .value_size = 180,
138 .key_type_id = 1,
139 .value_type_id = 5,
140 .max_entries = 4,
141 },
142
143 /* typedef struct b Struct_B;
144 *
145 * struct A {
146 * int m;
147 * struct b n[4];
148 * const Struct_B o[4];
149 * };
150 *
151 * struct B {
152 * int m;
153 * int n;
154 * };
155 */
156 {
157 .descr = "struct test #2",
158 .raw_types = {
159 /* int */ /* [1] */
160 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
161 /* struct b [4] */ /* [2] */
162 BTF_TYPE_ARRAY_ENC(4, 1, 4),
163
164 /* struct A { */ /* [3] */
165 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 3), 68),
166 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
167 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct B n[4] */
168 BTF_MEMBER_ENC(NAME_TBD, 8, 288),/* const Struct_B o[4];*/
169 /* } */
170
171 /* struct B { */ /* [4] */
172 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
173 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
174 BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */
175 /* } */
176
177 /* const int */ /* [5] */
178 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1),
179 /* typedef struct b Struct_B */ /* [6] */
180 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 4),
181 /* const Struct_B */ /* [7] */
182 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 6),
183 /* const Struct_B [4] */ /* [8] */
184 BTF_TYPE_ARRAY_ENC(7, 1, 4),
185 BTF_END_RAW,
186 },
187 .str_sec = "\0A\0m\0n\0o\0B\0m\0n\0Struct_B",
188 .str_sec_size = sizeof("\0A\0m\0n\0o\0B\0m\0n\0Struct_B"),
189 .map_type = BPF_MAP_TYPE_ARRAY,
190 .map_name = "struct_test2_map",
191 .key_size = sizeof(int),
192 .value_size = 68,
193 .key_type_id = 1,
194 .value_type_id = 3,
195 .max_entries = 4,
196 },
197 {
198 .descr = "struct test #3 Invalid member offset",
199 .raw_types = {
200 /* int */ /* [1] */
201 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
202 /* int64 */ /* [2] */
203 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8),
204
205 /* struct A { */ /* [3] */
206 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 16),
207 BTF_MEMBER_ENC(NAME_TBD, 1, 64), /* int m; */
208 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* int64 n; */
209 /* } */
210 BTF_END_RAW,
211 },
212 .str_sec = "\0A\0m\0n\0",
213 .str_sec_size = sizeof("\0A\0m\0n\0"),
214 .map_type = BPF_MAP_TYPE_ARRAY,
215 .map_name = "struct_test3_map",
216 .key_size = sizeof(int),
217 .value_size = 16,
218 .key_type_id = 1,
219 .value_type_id = 3,
220 .max_entries = 4,
221 .btf_load_err = true,
222 .err_str = "Invalid member bits_offset",
223 },
224 /*
225 * struct A {
226 * unsigned long long m;
227 * int n;
228 * char o;
229 * [3 bytes hole]
230 * int p[8];
231 * };
232 */
233 {
234 .descr = "global data test #1",
235 .raw_types = {
236 /* int */
237 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
238 /* unsigned long long */
239 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
240 /* char */
241 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
242 /* int[8] */
243 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
244 /* struct A { */ /* [5] */
245 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
246 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
247 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
248 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
249 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
250 /* } */
251 BTF_END_RAW,
252 },
253 .str_sec = "\0A\0m\0n\0o\0p",
254 .str_sec_size = sizeof("\0A\0m\0n\0o\0p"),
255 .map_type = BPF_MAP_TYPE_ARRAY,
256 .map_name = "struct_test1_map",
257 .key_size = sizeof(int),
258 .value_size = 48,
259 .key_type_id = 1,
260 .value_type_id = 5,
261 .max_entries = 4,
262 },
263 /*
264 * struct A {
265 * unsigned long long m;
266 * int n;
267 * char o;
268 * [3 bytes hole]
269 * int p[8];
270 * };
271 * static struct A t; <- in .bss
272 */
273 {
274 .descr = "global data test #2",
275 .raw_types = {
276 /* int */
277 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
278 /* unsigned long long */
279 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
280 /* char */
281 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
282 /* int[8] */
283 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
284 /* struct A { */ /* [5] */
285 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
286 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
287 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
288 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
289 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
290 /* } */
291 /* static struct A t */
292 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
293 /* .bss section */ /* [7] */
294 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48),
295 BTF_VAR_SECINFO_ENC(6, 0, 48),
296 BTF_END_RAW,
297 },
298 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
299 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
300 .map_type = BPF_MAP_TYPE_ARRAY,
301 .map_name = ".bss",
302 .key_size = sizeof(int),
303 .value_size = 48,
304 .key_type_id = 0,
305 .value_type_id = 7,
306 .max_entries = 1,
307 },
308 {
309 .descr = "global data test #3",
310 .raw_types = {
311 /* int */
312 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
313 /* static int t */
314 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
315 /* .bss section */ /* [3] */
316 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
317 BTF_VAR_SECINFO_ENC(2, 0, 4),
318 BTF_END_RAW,
319 },
320 .str_sec = "\0t\0.bss",
321 .str_sec_size = sizeof("\0t\0.bss"),
322 .map_type = BPF_MAP_TYPE_ARRAY,
323 .map_name = ".bss",
324 .key_size = sizeof(int),
325 .value_size = 4,
326 .key_type_id = 0,
327 .value_type_id = 3,
328 .max_entries = 1,
329 },
330 {
331 .descr = "global data test #4, unsupported linkage",
332 .raw_types = {
333 /* int */
334 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
335 /* static int t */
336 BTF_VAR_ENC(NAME_TBD, 1, 2), /* [2] */
337 /* .bss section */ /* [3] */
338 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
339 BTF_VAR_SECINFO_ENC(2, 0, 4),
340 BTF_END_RAW,
341 },
342 .str_sec = "\0t\0.bss",
343 .str_sec_size = sizeof("\0t\0.bss"),
344 .map_type = BPF_MAP_TYPE_ARRAY,
345 .map_name = ".bss",
346 .key_size = sizeof(int),
347 .value_size = 4,
348 .key_type_id = 0,
349 .value_type_id = 3,
350 .max_entries = 1,
351 .btf_load_err = true,
352 .err_str = "Linkage not supported",
353 },
354 {
355 .descr = "global data test #5, invalid var type",
356 .raw_types = {
357 /* static void t */
358 BTF_VAR_ENC(NAME_TBD, 0, 0), /* [1] */
359 /* .bss section */ /* [2] */
360 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
361 BTF_VAR_SECINFO_ENC(1, 0, 4),
362 BTF_END_RAW,
363 },
364 .str_sec = "\0t\0.bss",
365 .str_sec_size = sizeof("\0t\0.bss"),
366 .map_type = BPF_MAP_TYPE_ARRAY,
367 .map_name = ".bss",
368 .key_size = sizeof(int),
369 .value_size = 4,
370 .key_type_id = 0,
371 .value_type_id = 2,
372 .max_entries = 1,
373 .btf_load_err = true,
374 .err_str = "Invalid type_id",
375 },
376 {
377 .descr = "global data test #6, invalid var type (fwd type)",
378 .raw_types = {
379 /* union A */
380 BTF_TYPE_ENC(NAME_TBD,
381 BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */
382 /* static union A t */
383 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
384 /* .bss section */ /* [3] */
385 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
386 BTF_VAR_SECINFO_ENC(2, 0, 4),
387 BTF_END_RAW,
388 },
389 .str_sec = "\0A\0t\0.bss",
390 .str_sec_size = sizeof("\0A\0t\0.bss"),
391 .map_type = BPF_MAP_TYPE_ARRAY,
392 .map_name = ".bss",
393 .key_size = sizeof(int),
394 .value_size = 4,
395 .key_type_id = 0,
396 .value_type_id = 2,
397 .max_entries = 1,
398 .btf_load_err = true,
399 .err_str = "Invalid type",
400 },
401 {
402 .descr = "global data test #7, invalid var type (fwd type)",
403 .raw_types = {
404 /* union A */
405 BTF_TYPE_ENC(NAME_TBD,
406 BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */
407 /* static union A t */
408 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
409 /* .bss section */ /* [3] */
410 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
411 BTF_VAR_SECINFO_ENC(1, 0, 4),
412 BTF_END_RAW,
413 },
414 .str_sec = "\0A\0t\0.bss",
415 .str_sec_size = sizeof("\0A\0t\0.bss"),
416 .map_type = BPF_MAP_TYPE_ARRAY,
417 .map_name = ".bss",
418 .key_size = sizeof(int),
419 .value_size = 4,
420 .key_type_id = 0,
421 .value_type_id = 2,
422 .max_entries = 1,
423 .btf_load_err = true,
424 .err_str = "Invalid type",
425 },
426 {
427 .descr = "global data test #8, invalid var size",
428 .raw_types = {
429 /* int */
430 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
431 /* unsigned long long */
432 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
433 /* char */
434 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
435 /* int[8] */
436 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
437 /* struct A { */ /* [5] */
438 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
439 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
440 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
441 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
442 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
443 /* } */
444 /* static struct A t */
445 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
446 /* .bss section */ /* [7] */
447 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48),
448 BTF_VAR_SECINFO_ENC(6, 0, 47),
449 BTF_END_RAW,
450 },
451 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
452 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
453 .map_type = BPF_MAP_TYPE_ARRAY,
454 .map_name = ".bss",
455 .key_size = sizeof(int),
456 .value_size = 48,
457 .key_type_id = 0,
458 .value_type_id = 7,
459 .max_entries = 1,
460 .btf_load_err = true,
461 .err_str = "Invalid size",
462 },
463 {
464 .descr = "global data test #9, invalid var size",
465 .raw_types = {
466 /* int */
467 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
468 /* unsigned long long */
469 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
470 /* char */
471 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
472 /* int[8] */
473 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
474 /* struct A { */ /* [5] */
475 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
476 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
477 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
478 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
479 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
480 /* } */
481 /* static struct A t */
482 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
483 /* .bss section */ /* [7] */
484 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46),
485 BTF_VAR_SECINFO_ENC(6, 0, 48),
486 BTF_END_RAW,
487 },
488 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
489 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
490 .map_type = BPF_MAP_TYPE_ARRAY,
491 .map_name = ".bss",
492 .key_size = sizeof(int),
493 .value_size = 48,
494 .key_type_id = 0,
495 .value_type_id = 7,
496 .max_entries = 1,
497 .btf_load_err = true,
498 .err_str = "Invalid size",
499 },
500 {
501 .descr = "global data test #10, invalid var size",
502 .raw_types = {
503 /* int */
504 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
505 /* unsigned long long */
506 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
507 /* char */
508 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
509 /* int[8] */
510 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
511 /* struct A { */ /* [5] */
512 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
513 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
514 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
515 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
516 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
517 /* } */
518 /* static struct A t */
519 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
520 /* .bss section */ /* [7] */
521 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46),
522 BTF_VAR_SECINFO_ENC(6, 0, 46),
523 BTF_END_RAW,
524 },
525 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss",
526 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"),
527 .map_type = BPF_MAP_TYPE_ARRAY,
528 .map_name = ".bss",
529 .key_size = sizeof(int),
530 .value_size = 48,
531 .key_type_id = 0,
532 .value_type_id = 7,
533 .max_entries = 1,
534 .btf_load_err = true,
535 .err_str = "Invalid size",
536 },
537 {
538 .descr = "global data test #11, multiple section members",
539 .raw_types = {
540 /* int */
541 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
542 /* unsigned long long */
543 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
544 /* char */
545 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
546 /* int[8] */
547 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
548 /* struct A { */ /* [5] */
549 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
550 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
551 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
552 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
553 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
554 /* } */
555 /* static struct A t */
556 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
557 /* static int u */
558 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */
559 /* .bss section */ /* [8] */
560 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
561 BTF_VAR_SECINFO_ENC(6, 10, 48),
562 BTF_VAR_SECINFO_ENC(7, 58, 4),
563 BTF_END_RAW,
564 },
565 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
566 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
567 .map_type = BPF_MAP_TYPE_ARRAY,
568 .map_name = ".bss",
569 .key_size = sizeof(int),
570 .value_size = 62,
571 .key_type_id = 0,
572 .value_type_id = 8,
573 .max_entries = 1,
574 },
575 {
576 .descr = "global data test #12, invalid offset",
577 .raw_types = {
578 /* int */
579 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
580 /* unsigned long long */
581 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
582 /* char */
583 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
584 /* int[8] */
585 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
586 /* struct A { */ /* [5] */
587 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
588 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
589 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
590 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
591 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
592 /* } */
593 /* static struct A t */
594 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
595 /* static int u */
596 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */
597 /* .bss section */ /* [8] */
598 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
599 BTF_VAR_SECINFO_ENC(6, 10, 48),
600 BTF_VAR_SECINFO_ENC(7, 60, 4),
601 BTF_END_RAW,
602 },
603 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
604 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
605 .map_type = BPF_MAP_TYPE_ARRAY,
606 .map_name = ".bss",
607 .key_size = sizeof(int),
608 .value_size = 62,
609 .key_type_id = 0,
610 .value_type_id = 8,
611 .max_entries = 1,
612 .btf_load_err = true,
613 .err_str = "Invalid offset+size",
614 },
615 {
616 .descr = "global data test #13, invalid offset",
617 .raw_types = {
618 /* int */
619 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
620 /* unsigned long long */
621 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
622 /* char */
623 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
624 /* int[8] */
625 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
626 /* struct A { */ /* [5] */
627 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
628 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
629 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
630 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
631 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
632 /* } */
633 /* static struct A t */
634 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
635 /* static int u */
636 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */
637 /* .bss section */ /* [8] */
638 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
639 BTF_VAR_SECINFO_ENC(6, 10, 48),
640 BTF_VAR_SECINFO_ENC(7, 12, 4),
641 BTF_END_RAW,
642 },
643 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
644 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
645 .map_type = BPF_MAP_TYPE_ARRAY,
646 .map_name = ".bss",
647 .key_size = sizeof(int),
648 .value_size = 62,
649 .key_type_id = 0,
650 .value_type_id = 8,
651 .max_entries = 1,
652 .btf_load_err = true,
653 .err_str = "Invalid offset",
654 },
655 {
656 .descr = "global data test #14, invalid offset",
657 .raw_types = {
658 /* int */
659 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
660 /* unsigned long long */
661 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */
662 /* char */
663 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */
664 /* int[8] */
665 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */
666 /* struct A { */ /* [5] */
667 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48),
668 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/
669 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */
670 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */
671 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */
672 /* } */
673 /* static struct A t */
674 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
675 /* static int u */
676 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */
677 /* .bss section */ /* [8] */
678 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62),
679 BTF_VAR_SECINFO_ENC(7, 58, 4),
680 BTF_VAR_SECINFO_ENC(6, 10, 48),
681 BTF_END_RAW,
682 },
683 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss",
684 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"),
685 .map_type = BPF_MAP_TYPE_ARRAY,
686 .map_name = ".bss",
687 .key_size = sizeof(int),
688 .value_size = 62,
689 .key_type_id = 0,
690 .value_type_id = 8,
691 .max_entries = 1,
692 .btf_load_err = true,
693 .err_str = "Invalid offset",
694 },
695 {
696 .descr = "global data test #15, not var kind",
697 .raw_types = {
698 /* int */
699 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
700 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
701 /* .bss section */ /* [3] */
702 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
703 BTF_VAR_SECINFO_ENC(1, 0, 4),
704 BTF_END_RAW,
705 },
706 .str_sec = "\0A\0t\0.bss",
707 .str_sec_size = sizeof("\0A\0t\0.bss"),
708 .map_type = BPF_MAP_TYPE_ARRAY,
709 .map_name = ".bss",
710 .key_size = sizeof(int),
711 .value_size = 4,
712 .key_type_id = 0,
713 .value_type_id = 3,
714 .max_entries = 1,
715 .btf_load_err = true,
716 .err_str = "Not a VAR kind member",
717 },
718 {
719 .descr = "global data test #16, invalid var referencing sec",
720 .raw_types = {
721 /* int */
722 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
723 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [2] */
724 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [3] */
725 /* a section */ /* [4] */
726 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
727 BTF_VAR_SECINFO_ENC(3, 0, 4),
728 /* a section */ /* [5] */
729 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
730 BTF_VAR_SECINFO_ENC(6, 0, 4),
731 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [6] */
732 BTF_END_RAW,
733 },
734 .str_sec = "\0A\0t\0s\0a\0a",
735 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
736 .map_type = BPF_MAP_TYPE_ARRAY,
737 .map_name = ".bss",
738 .key_size = sizeof(int),
739 .value_size = 4,
740 .key_type_id = 0,
741 .value_type_id = 4,
742 .max_entries = 1,
743 .btf_load_err = true,
744 .err_str = "Invalid type_id",
745 },
746 {
747 .descr = "global data test #17, invalid var referencing var",
748 .raw_types = {
749 /* int */
750 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
751 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
752 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [3] */
753 /* a section */ /* [4] */
754 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
755 BTF_VAR_SECINFO_ENC(3, 0, 4),
756 BTF_END_RAW,
757 },
758 .str_sec = "\0A\0t\0s\0a\0a",
759 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
760 .map_type = BPF_MAP_TYPE_ARRAY,
761 .map_name = ".bss",
762 .key_size = sizeof(int),
763 .value_size = 4,
764 .key_type_id = 0,
765 .value_type_id = 4,
766 .max_entries = 1,
767 .btf_load_err = true,
768 .err_str = "Invalid type_id",
769 },
770 {
771 .descr = "global data test #18, invalid var loop",
772 .raw_types = {
773 /* int */
774 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
775 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [2] */
776 /* .bss section */ /* [3] */
777 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
778 BTF_VAR_SECINFO_ENC(2, 0, 4),
779 BTF_END_RAW,
780 },
781 .str_sec = "\0A\0t\0aaa",
782 .str_sec_size = sizeof("\0A\0t\0aaa"),
783 .map_type = BPF_MAP_TYPE_ARRAY,
784 .map_name = ".bss",
785 .key_size = sizeof(int),
786 .value_size = 4,
787 .key_type_id = 0,
788 .value_type_id = 4,
789 .max_entries = 1,
790 .btf_load_err = true,
791 .err_str = "Invalid type_id",
792 },
793 {
794 .descr = "global data test #19, invalid var referencing var",
795 .raw_types = {
796 /* int */
797 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
798 BTF_VAR_ENC(NAME_TBD, 3, 0), /* [2] */
799 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */
800 BTF_END_RAW,
801 },
802 .str_sec = "\0A\0t\0s\0a\0a",
803 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
804 .map_type = BPF_MAP_TYPE_ARRAY,
805 .map_name = ".bss",
806 .key_size = sizeof(int),
807 .value_size = 4,
808 .key_type_id = 0,
809 .value_type_id = 4,
810 .max_entries = 1,
811 .btf_load_err = true,
812 .err_str = "Invalid type_id",
813 },
814 {
815 .descr = "global data test #20, invalid ptr referencing var",
816 .raw_types = {
817 /* int */
818 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
819 /* PTR type_id=3 */ /* [2] */
820 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3),
821 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */
822 BTF_END_RAW,
823 },
824 .str_sec = "\0A\0t\0s\0a\0a",
825 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
826 .map_type = BPF_MAP_TYPE_ARRAY,
827 .map_name = ".bss",
828 .key_size = sizeof(int),
829 .value_size = 4,
830 .key_type_id = 0,
831 .value_type_id = 4,
832 .max_entries = 1,
833 .btf_load_err = true,
834 .err_str = "Invalid type_id",
835 },
836 {
837 .descr = "global data test #21, var included in struct",
838 .raw_types = {
839 /* int */
840 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
841 /* struct A { */ /* [2] */
842 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2),
843 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
844 BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* VAR type_id=3; */
845 /* } */
846 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */
847 BTF_END_RAW,
848 },
849 .str_sec = "\0A\0t\0s\0a\0a",
850 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
851 .map_type = BPF_MAP_TYPE_ARRAY,
852 .map_name = ".bss",
853 .key_size = sizeof(int),
854 .value_size = 4,
855 .key_type_id = 0,
856 .value_type_id = 4,
857 .max_entries = 1,
858 .btf_load_err = true,
859 .err_str = "Invalid member",
860 },
861 {
862 .descr = "global data test #22, array of var",
863 .raw_types = {
864 /* int */
865 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
866 BTF_TYPE_ARRAY_ENC(3, 1, 4), /* [2] */
867 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */
868 BTF_END_RAW,
869 },
870 .str_sec = "\0A\0t\0s\0a\0a",
871 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"),
872 .map_type = BPF_MAP_TYPE_ARRAY,
873 .map_name = ".bss",
874 .key_size = sizeof(int),
875 .value_size = 4,
876 .key_type_id = 0,
877 .value_type_id = 4,
878 .max_entries = 1,
879 .btf_load_err = true,
880 .err_str = "Invalid elem",
881 },
882 {
883 .descr = "var after datasec, ptr followed by modifier",
884 .raw_types = {
885 /* .bss section */ /* [1] */
886 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2),
887 sizeof(void*)+4),
888 BTF_VAR_SECINFO_ENC(4, 0, sizeof(void*)),
889 BTF_VAR_SECINFO_ENC(6, sizeof(void*), 4),
890 /* int */ /* [2] */
891 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
892 /* int* */ /* [3] */
893 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2),
894 BTF_VAR_ENC(NAME_TBD, 3, 0), /* [4] */
895 /* const int */ /* [5] */
896 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2),
897 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */
898 BTF_END_RAW,
899 },
900 .str_sec = "\0a\0b\0c\0",
901 .str_sec_size = sizeof("\0a\0b\0c\0"),
902 .map_type = BPF_MAP_TYPE_ARRAY,
903 .map_name = ".bss",
904 .key_size = sizeof(int),
905 .value_size = sizeof(void*)+4,
906 .key_type_id = 0,
907 .value_type_id = 1,
908 .max_entries = 1,
909 },
910 /* Test member exceeds the size of struct.
911 *
912 * struct A {
913 * int m;
914 * int n;
915 * };
916 */
917 {
918 .descr = "size check test #1",
919 .raw_types = {
920 /* int */ /* [1] */
921 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
922 /* struct A { */ /* [2] */
923 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1),
924 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
925 BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */
926 /* } */
927 BTF_END_RAW,
928 },
929 .str_sec = "\0A\0m\0n",
930 .str_sec_size = sizeof("\0A\0m\0n"),
931 .map_type = BPF_MAP_TYPE_ARRAY,
932 .map_name = "size_check1_map",
933 .key_size = sizeof(int),
934 .value_size = 1,
935 .key_type_id = 1,
936 .value_type_id = 2,
937 .max_entries = 4,
938 .btf_load_err = true,
939 .err_str = "Member exceeds struct_size",
940 },
941
942 /* Test member exceeds the size of struct
943 *
944 * struct A {
945 * int m;
946 * int n[2];
947 * };
948 */
949 {
950 .descr = "size check test #2",
951 .raw_types = {
952 /* int */ /* [1] */
953 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)),
954 /* int[2] */ /* [2] */
955 BTF_TYPE_ARRAY_ENC(1, 1, 2),
956 /* struct A { */ /* [3] */
957 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 3 - 1),
958 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
959 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* int n[2]; */
960 /* } */
961 BTF_END_RAW,
962 },
963 .str_sec = "\0A\0m\0n",
964 .str_sec_size = sizeof("\0A\0m\0n"),
965 .map_type = BPF_MAP_TYPE_ARRAY,
966 .map_name = "size_check2_map",
967 .key_size = sizeof(int),
968 .value_size = 1,
969 .key_type_id = 1,
970 .value_type_id = 3,
971 .max_entries = 4,
972 .btf_load_err = true,
973 .err_str = "Member exceeds struct_size",
974 },
975
976 /* Test member exceeds the size of struct
977 *
978 * struct A {
979 * int m;
980 * void *n;
981 * };
982 */
983 {
984 .descr = "size check test #3",
985 .raw_types = {
986 /* int */ /* [1] */
987 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)),
988 /* void* */ /* [2] */
989 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0),
990 /* struct A { */ /* [3] */
991 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) + sizeof(void *) - 1),
992 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
993 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* void *n; */
994 /* } */
995 BTF_END_RAW,
996 },
997 .str_sec = "\0A\0m\0n",
998 .str_sec_size = sizeof("\0A\0m\0n"),
999 .map_type = BPF_MAP_TYPE_ARRAY,
1000 .map_name = "size_check3_map",
1001 .key_size = sizeof(int),
1002 .value_size = 1,
1003 .key_type_id = 1,
1004 .value_type_id = 3,
1005 .max_entries = 4,
1006 .btf_load_err = true,
1007 .err_str = "Member exceeds struct_size",
1008 },
1009
1010 /* Test member exceeds the size of struct
1011 *
1012 * enum E {
1013 * E0,
1014 * E1,
1015 * };
1016 *
1017 * struct A {
1018 * int m;
1019 * enum E n;
1020 * };
1021 */
1022 {
1023 .descr = "size check test #4",
1024 .raw_types = {
1025 /* int */ /* [1] */
1026 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)),
1027 /* enum E { */ /* [2] */
1028 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)),
1029 BTF_ENUM_ENC(NAME_TBD, 0),
1030 BTF_ENUM_ENC(NAME_TBD, 1),
1031 /* } */
1032 /* struct A { */ /* [3] */
1033 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1),
1034 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */
1035 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* enum E n; */
1036 /* } */
1037 BTF_END_RAW,
1038 },
1039 .str_sec = "\0E\0E0\0E1\0A\0m\0n",
1040 .str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"),
1041 .map_type = BPF_MAP_TYPE_ARRAY,
1042 .map_name = "size_check4_map",
1043 .key_size = sizeof(int),
1044 .value_size = 1,
1045 .key_type_id = 1,
1046 .value_type_id = 3,
1047 .max_entries = 4,
1048 .btf_load_err = true,
1049 .err_str = "Member exceeds struct_size",
1050 },
1051
1052 /* Test member unexceeds the size of struct
1053 *
1054 * enum E {
1055 * E0,
1056 * E1,
1057 * };
1058 *
1059 * struct A {
1060 * char m;
1061 * enum E __attribute__((packed)) n;
1062 * };
1063 */
1064 {
1065 .descr = "size check test #5",
1066 .raw_types = {
1067 /* int */ /* [1] */
1068 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)),
1069 /* char */ /* [2] */
1070 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1),
1071 /* enum E { */ /* [3] */
1072 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 1),
1073 BTF_ENUM_ENC(NAME_TBD, 0),
1074 BTF_ENUM_ENC(NAME_TBD, 1),
1075 /* } */
1076 /* struct A { */ /* [4] */
1077 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 2),
1078 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* char m; */
1079 BTF_MEMBER_ENC(NAME_TBD, 3, 8),/* enum E __attribute__((packed)) n; */
1080 /* } */
1081 BTF_END_RAW,
1082 },
1083 .str_sec = "\0E\0E0\0E1\0A\0m\0n",
1084 .str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"),
1085 .map_type = BPF_MAP_TYPE_ARRAY,
1086 .map_name = "size_check5_map",
1087 .key_size = sizeof(int),
1088 .value_size = 2,
1089 .key_type_id = 1,
1090 .value_type_id = 4,
1091 .max_entries = 4,
1092 },
1093
1094 /* typedef const void * const_void_ptr;
1095 * struct A {
1096 * const_void_ptr m;
1097 * };
1098 */
1099 {
1100 .descr = "void test #1",
1101 .raw_types = {
1102 /* int */ /* [1] */
1103 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1104 /* const void */ /* [2] */
1105 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
1106 /* const void* */ /* [3] */
1107 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2),
1108 /* typedef const void * const_void_ptr */
1109 BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [4] */
1110 /* struct A { */ /* [5] */
1111 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)),
1112 /* const_void_ptr m; */
1113 BTF_MEMBER_ENC(NAME_TBD, 4, 0),
1114 /* } */
1115 BTF_END_RAW,
1116 },
1117 .str_sec = "\0const_void_ptr\0A\0m",
1118 .str_sec_size = sizeof("\0const_void_ptr\0A\0m"),
1119 .map_type = BPF_MAP_TYPE_ARRAY,
1120 .map_name = "void_test1_map",
1121 .key_size = sizeof(int),
1122 .value_size = sizeof(void *),
1123 .key_type_id = 1,
1124 .value_type_id = 4,
1125 .max_entries = 4,
1126 },
1127
1128 /* struct A {
1129 * const void m;
1130 * };
1131 */
1132 {
1133 .descr = "void test #2",
1134 .raw_types = {
1135 /* int */ /* [1] */
1136 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1137 /* const void */ /* [2] */
1138 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
1139 /* struct A { */ /* [3] */
1140 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 8),
1141 /* const void m; */
1142 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
1143 /* } */
1144 BTF_END_RAW,
1145 },
1146 .str_sec = "\0A\0m",
1147 .str_sec_size = sizeof("\0A\0m"),
1148 .map_type = BPF_MAP_TYPE_ARRAY,
1149 .map_name = "void_test2_map",
1150 .key_size = sizeof(int),
1151 .value_size = sizeof(void *),
1152 .key_type_id = 1,
1153 .value_type_id = 3,
1154 .max_entries = 4,
1155 .btf_load_err = true,
1156 .err_str = "Invalid member",
1157 },
1158
1159 /* typedef const void * const_void_ptr;
1160 * const_void_ptr[4]
1161 */
1162 {
1163 .descr = "void test #3",
1164 .raw_types = {
1165 /* int */ /* [1] */
1166 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1167 /* const void */ /* [2] */
1168 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
1169 /* const void* */ /* [3] */
1170 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2),
1171 /* typedef const void * const_void_ptr */
1172 BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [4] */
1173 /* const_void_ptr[4] */
1174 BTF_TYPE_ARRAY_ENC(4, 1, 4), /* [5] */
1175 BTF_END_RAW,
1176 },
1177 .str_sec = "\0const_void_ptr",
1178 .str_sec_size = sizeof("\0const_void_ptr"),
1179 .map_type = BPF_MAP_TYPE_ARRAY,
1180 .map_name = "void_test3_map",
1181 .key_size = sizeof(int),
1182 .value_size = sizeof(void *) * 4,
1183 .key_type_id = 1,
1184 .value_type_id = 5,
1185 .max_entries = 4,
1186 },
1187
1188 /* const void[4] */
1189 {
1190 .descr = "void test #4",
1191 .raw_types = {
1192 /* int */ /* [1] */
1193 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1194 /* const void */ /* [2] */
1195 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
1196 /* const void[4] */ /* [3] */
1197 BTF_TYPE_ARRAY_ENC(2, 1, 4),
1198 BTF_END_RAW,
1199 },
1200 .str_sec = "\0A\0m",
1201 .str_sec_size = sizeof("\0A\0m"),
1202 .map_type = BPF_MAP_TYPE_ARRAY,
1203 .map_name = "void_test4_map",
1204 .key_size = sizeof(int),
1205 .value_size = sizeof(void *) * 4,
1206 .key_type_id = 1,
1207 .value_type_id = 3,
1208 .max_entries = 4,
1209 .btf_load_err = true,
1210 .err_str = "Invalid elem",
1211 },
1212
1213 /* Array_A <------------------+
1214 * elem_type == Array_B |
1215 * | |
1216 * | |
1217 * Array_B <-------- + |
1218 * elem_type == Array A --+
1219 */
1220 {
1221 .descr = "loop test #1",
1222 .raw_types = {
1223 /* int */ /* [1] */
1224 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1225 /* Array_A */ /* [2] */
1226 BTF_TYPE_ARRAY_ENC(3, 1, 8),
1227 /* Array_B */ /* [3] */
1228 BTF_TYPE_ARRAY_ENC(2, 1, 8),
1229 BTF_END_RAW,
1230 },
1231 .str_sec = "",
1232 .str_sec_size = sizeof(""),
1233 .map_type = BPF_MAP_TYPE_ARRAY,
1234 .map_name = "loop_test1_map",
1235 .key_size = sizeof(int),
1236 .value_size = sizeof(sizeof(int) * 8),
1237 .key_type_id = 1,
1238 .value_type_id = 2,
1239 .max_entries = 4,
1240 .btf_load_err = true,
1241 .err_str = "Loop detected",
1242 },
1243
1244 /* typedef is _before_ the BTF type of Array_A and Array_B
1245 *
1246 * typedef Array_B int_array;
1247 *
1248 * Array_A <------------------+
1249 * elem_type == int_array |
1250 * | |
1251 * | |
1252 * Array_B <-------- + |
1253 * elem_type == Array_A --+
1254 */
1255 {
1256 .descr = "loop test #2",
1257 .raw_types = {
1258 /* int */
1259 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
1260 /* typedef Array_B int_array */
1261 BTF_TYPEDEF_ENC(1, 4), /* [2] */
1262 /* Array_A */
1263 BTF_TYPE_ARRAY_ENC(2, 1, 8), /* [3] */
1264 /* Array_B */
1265 BTF_TYPE_ARRAY_ENC(3, 1, 8), /* [4] */
1266 BTF_END_RAW,
1267 },
1268 .str_sec = "\0int_array\0",
1269 .str_sec_size = sizeof("\0int_array"),
1270 .map_type = BPF_MAP_TYPE_ARRAY,
1271 .map_name = "loop_test2_map",
1272 .key_size = sizeof(int),
1273 .value_size = sizeof(sizeof(int) * 8),
1274 .key_type_id = 1,
1275 .value_type_id = 2,
1276 .max_entries = 4,
1277 .btf_load_err = true,
1278 .err_str = "Loop detected",
1279 },
1280
1281 /* Array_A <------------------+
1282 * elem_type == Array_B |
1283 * | |
1284 * | |
1285 * Array_B <-------- + |
1286 * elem_type == Array_A --+
1287 */
1288 {
1289 .descr = "loop test #3",
1290 .raw_types = {
1291 /* int */ /* [1] */
1292 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1293 /* Array_A */ /* [2] */
1294 BTF_TYPE_ARRAY_ENC(3, 1, 8),
1295 /* Array_B */ /* [3] */
1296 BTF_TYPE_ARRAY_ENC(2, 1, 8),
1297 BTF_END_RAW,
1298 },
1299 .str_sec = "",
1300 .str_sec_size = sizeof(""),
1301 .map_type = BPF_MAP_TYPE_ARRAY,
1302 .map_name = "loop_test3_map",
1303 .key_size = sizeof(int),
1304 .value_size = sizeof(sizeof(int) * 8),
1305 .key_type_id = 1,
1306 .value_type_id = 2,
1307 .max_entries = 4,
1308 .btf_load_err = true,
1309 .err_str = "Loop detected",
1310 },
1311
1312 /* typedef is _between_ the BTF type of Array_A and Array_B
1313 *
1314 * typedef Array_B int_array;
1315 *
1316 * Array_A <------------------+
1317 * elem_type == int_array |
1318 * | |
1319 * | |
1320 * Array_B <-------- + |
1321 * elem_type == Array_A --+
1322 */
1323 {
1324 .descr = "loop test #4",
1325 .raw_types = {
1326 /* int */ /* [1] */
1327 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1328 /* Array_A */ /* [2] */
1329 BTF_TYPE_ARRAY_ENC(3, 1, 8),
1330 /* typedef Array_B int_array */ /* [3] */
1331 BTF_TYPEDEF_ENC(NAME_TBD, 4),
1332 /* Array_B */ /* [4] */
1333 BTF_TYPE_ARRAY_ENC(2, 1, 8),
1334 BTF_END_RAW,
1335 },
1336 .str_sec = "\0int_array\0",
1337 .str_sec_size = sizeof("\0int_array"),
1338 .map_type = BPF_MAP_TYPE_ARRAY,
1339 .map_name = "loop_test4_map",
1340 .key_size = sizeof(int),
1341 .value_size = sizeof(sizeof(int) * 8),
1342 .key_type_id = 1,
1343 .value_type_id = 2,
1344 .max_entries = 4,
1345 .btf_load_err = true,
1346 .err_str = "Loop detected",
1347 },
1348
1349 /* typedef struct B Struct_B
1350 *
1351 * struct A {
1352 * int x;
1353 * Struct_B y;
1354 * };
1355 *
1356 * struct B {
1357 * int x;
1358 * struct A y;
1359 * };
1360 */
1361 {
1362 .descr = "loop test #5",
1363 .raw_types = {
1364 /* int */
1365 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
1366 /* struct A */ /* [2] */
1367 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
1368 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */
1369 BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* Struct_B y; */
1370 /* typedef struct B Struct_B */
1371 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */
1372 /* struct B */ /* [4] */
1373 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
1374 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */
1375 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A y; */
1376 BTF_END_RAW,
1377 },
1378 .str_sec = "\0A\0x\0y\0Struct_B\0B\0x\0y",
1379 .str_sec_size = sizeof("\0A\0x\0y\0Struct_B\0B\0x\0y"),
1380 .map_type = BPF_MAP_TYPE_ARRAY,
1381 .map_name = "loop_test5_map",
1382 .key_size = sizeof(int),
1383 .value_size = 8,
1384 .key_type_id = 1,
1385 .value_type_id = 2,
1386 .max_entries = 4,
1387 .btf_load_err = true,
1388 .err_str = "Loop detected",
1389 },
1390
1391 /* struct A {
1392 * int x;
1393 * struct A array_a[4];
1394 * };
1395 */
1396 {
1397 .descr = "loop test #6",
1398 .raw_types = {
1399 /* int */
1400 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
1401 BTF_TYPE_ARRAY_ENC(3, 1, 4), /* [2] */
1402 /* struct A */ /* [3] */
1403 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8),
1404 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */
1405 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A array_a[4]; */
1406 BTF_END_RAW,
1407 },
1408 .str_sec = "\0A\0x\0y",
1409 .str_sec_size = sizeof("\0A\0x\0y"),
1410 .map_type = BPF_MAP_TYPE_ARRAY,
1411 .map_name = "loop_test6_map",
1412 .key_size = sizeof(int),
1413 .value_size = 8,
1414 .key_type_id = 1,
1415 .value_type_id = 2,
1416 .max_entries = 4,
1417 .btf_load_err = true,
1418 .err_str = "Loop detected",
1419 },
1420
1421 {
1422 .descr = "loop test #7",
1423 .raw_types = {
1424 /* int */ /* [1] */
1425 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1426 /* struct A { */ /* [2] */
1427 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)),
1428 /* const void *m; */
1429 BTF_MEMBER_ENC(NAME_TBD, 3, 0),
1430 /* CONST type_id=3 */ /* [3] */
1431 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4),
1432 /* PTR type_id=2 */ /* [4] */
1433 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3),
1434 BTF_END_RAW,
1435 },
1436 .str_sec = "\0A\0m",
1437 .str_sec_size = sizeof("\0A\0m"),
1438 .map_type = BPF_MAP_TYPE_ARRAY,
1439 .map_name = "loop_test7_map",
1440 .key_size = sizeof(int),
1441 .value_size = sizeof(void *),
1442 .key_type_id = 1,
1443 .value_type_id = 2,
1444 .max_entries = 4,
1445 .btf_load_err = true,
1446 .err_str = "Loop detected",
1447 },
1448
1449 {
1450 .descr = "loop test #8",
1451 .raw_types = {
1452 /* int */ /* [1] */
1453 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1454 /* struct A { */ /* [2] */
1455 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)),
1456 /* const void *m; */
1457 BTF_MEMBER_ENC(NAME_TBD, 4, 0),
1458 /* struct B { */ /* [3] */
1459 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)),
1460 /* const void *n; */
1461 BTF_MEMBER_ENC(NAME_TBD, 6, 0),
1462 /* CONST type_id=5 */ /* [4] */
1463 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 5),
1464 /* PTR type_id=6 */ /* [5] */
1465 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 6),
1466 /* CONST type_id=7 */ /* [6] */
1467 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 7),
1468 /* PTR type_id=4 */ /* [7] */
1469 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 4),
1470 BTF_END_RAW,
1471 },
1472 .str_sec = "\0A\0m\0B\0n",
1473 .str_sec_size = sizeof("\0A\0m\0B\0n"),
1474 .map_type = BPF_MAP_TYPE_ARRAY,
1475 .map_name = "loop_test8_map",
1476 .key_size = sizeof(int),
1477 .value_size = sizeof(void *),
1478 .key_type_id = 1,
1479 .value_type_id = 2,
1480 .max_entries = 4,
1481 .btf_load_err = true,
1482 .err_str = "Loop detected",
1483 },
1484
1485 {
1486 .descr = "string section does not end with null",
1487 .raw_types = {
1488 /* int */ /* [1] */
1489 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
1490 BTF_END_RAW,
1491 },
1492 .str_sec = "\0int",
1493 .str_sec_size = sizeof("\0int") - 1,
1494 .map_type = BPF_MAP_TYPE_ARRAY,
1495 .map_name = "hdr_test_map",
1496 .key_size = sizeof(int),
1497 .value_size = sizeof(int),
1498 .key_type_id = 1,
1499 .value_type_id = 1,
1500 .max_entries = 4,
1501 .btf_load_err = true,
1502 .err_str = "Invalid string section",
1503 },
1504
1505 {
1506 .descr = "empty string section",
1507 .raw_types = {
1508 /* int */ /* [1] */
1509 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1510 BTF_END_RAW,
1511 },
1512 .str_sec = "",
1513 .str_sec_size = 0,
1514 .map_type = BPF_MAP_TYPE_ARRAY,
1515 .map_name = "hdr_test_map",
1516 .key_size = sizeof(int),
1517 .value_size = sizeof(int),
1518 .key_type_id = 1,
1519 .value_type_id = 1,
1520 .max_entries = 4,
1521 .btf_load_err = true,
1522 .err_str = "Invalid string section",
1523 },
1524
1525 {
1526 .descr = "empty type section",
1527 .raw_types = {
1528 BTF_END_RAW,
1529 },
1530 .str_sec = "\0int",
1531 .str_sec_size = sizeof("\0int"),
1532 .map_type = BPF_MAP_TYPE_ARRAY,
1533 .map_name = "hdr_test_map",
1534 .key_size = sizeof(int),
1535 .value_size = sizeof(int),
1536 .key_type_id = 1,
1537 .value_type_id = 1,
1538 .max_entries = 4,
1539 .btf_load_err = true,
1540 .err_str = "No type found",
1541 },
1542
1543 {
1544 .descr = "btf_header test. Longer hdr_len",
1545 .raw_types = {
1546 /* int */ /* [1] */
1547 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
1548 BTF_END_RAW,
1549 },
1550 .str_sec = "\0int",
1551 .str_sec_size = sizeof("\0int"),
1552 .map_type = BPF_MAP_TYPE_ARRAY,
1553 .map_name = "hdr_test_map",
1554 .key_size = sizeof(int),
1555 .value_size = sizeof(int),
1556 .key_type_id = 1,
1557 .value_type_id = 1,
1558 .max_entries = 4,
1559 .btf_load_err = true,
1560 .hdr_len_delta = 4,
1561 .err_str = "Unsupported btf_header",
1562 },
1563
1564 {
1565 .descr = "btf_header test. Gap between hdr and type",
1566 .raw_types = {
1567 /* int */ /* [1] */
1568 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
1569 BTF_END_RAW,
1570 },
1571 .str_sec = "\0int",
1572 .str_sec_size = sizeof("\0int"),
1573 .map_type = BPF_MAP_TYPE_ARRAY,
1574 .map_name = "hdr_test_map",
1575 .key_size = sizeof(int),
1576 .value_size = sizeof(int),
1577 .key_type_id = 1,
1578 .value_type_id = 1,
1579 .max_entries = 4,
1580 .btf_load_err = true,
1581 .type_off_delta = 4,
1582 .err_str = "Unsupported section found",
1583 },
1584
1585 {
1586 .descr = "btf_header test. Gap between type and str",
1587 .raw_types = {
1588 /* int */ /* [1] */
1589 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
1590 BTF_END_RAW,
1591 },
1592 .str_sec = "\0int",
1593 .str_sec_size = sizeof("\0int"),
1594 .map_type = BPF_MAP_TYPE_ARRAY,
1595 .map_name = "hdr_test_map",
1596 .key_size = sizeof(int),
1597 .value_size = sizeof(int),
1598 .key_type_id = 1,
1599 .value_type_id = 1,
1600 .max_entries = 4,
1601 .btf_load_err = true,
1602 .str_off_delta = 4,
1603 .err_str = "Unsupported section found",
1604 },
1605
1606 {
1607 .descr = "btf_header test. Overlap between type and str",
1608 .raw_types = {
1609 /* int */ /* [1] */
1610 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
1611 BTF_END_RAW,
1612 },
1613 .str_sec = "\0int",
1614 .str_sec_size = sizeof("\0int"),
1615 .map_type = BPF_MAP_TYPE_ARRAY,
1616 .map_name = "hdr_test_map",
1617 .key_size = sizeof(int),
1618 .value_size = sizeof(int),
1619 .key_type_id = 1,
1620 .value_type_id = 1,
1621 .max_entries = 4,
1622 .btf_load_err = true,
1623 .str_off_delta = -4,
1624 .err_str = "Section overlap found",
1625 },
1626
1627 {
1628 .descr = "btf_header test. Larger BTF size",
1629 .raw_types = {
1630 /* int */ /* [1] */
1631 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
1632 BTF_END_RAW,
1633 },
1634 .str_sec = "\0int",
1635 .str_sec_size = sizeof("\0int"),
1636 .map_type = BPF_MAP_TYPE_ARRAY,
1637 .map_name = "hdr_test_map",
1638 .key_size = sizeof(int),
1639 .value_size = sizeof(int),
1640 .key_type_id = 1,
1641 .value_type_id = 1,
1642 .max_entries = 4,
1643 .btf_load_err = true,
1644 .str_len_delta = -4,
1645 .err_str = "Unsupported section found",
1646 },
1647
1648 {
1649 .descr = "btf_header test. Smaller BTF size",
1650 .raw_types = {
1651 /* int */ /* [1] */
1652 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
1653 BTF_END_RAW,
1654 },
1655 .str_sec = "\0int",
1656 .str_sec_size = sizeof("\0int"),
1657 .map_type = BPF_MAP_TYPE_ARRAY,
1658 .map_name = "hdr_test_map",
1659 .key_size = sizeof(int),
1660 .value_size = sizeof(int),
1661 .key_type_id = 1,
1662 .value_type_id = 1,
1663 .max_entries = 4,
1664 .btf_load_err = true,
1665 .str_len_delta = 4,
1666 .err_str = "Total section length too long",
1667 },
1668
1669 {
1670 .descr = "array test. index_type/elem_type \"int\"",
1671 .raw_types = {
1672 /* int */ /* [1] */
1673 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1674 /* int[16] */ /* [2] */
1675 BTF_TYPE_ARRAY_ENC(1, 1, 16),
1676 BTF_END_RAW,
1677 },
1678 .str_sec = "",
1679 .str_sec_size = sizeof(""),
1680 .map_type = BPF_MAP_TYPE_ARRAY,
1681 .map_name = "array_test_map",
1682 .key_size = sizeof(int),
1683 .value_size = sizeof(int),
1684 .key_type_id = 1,
1685 .value_type_id = 1,
1686 .max_entries = 4,
1687 },
1688
1689 {
1690 .descr = "array test. index_type/elem_type \"const int\"",
1691 .raw_types = {
1692 /* int */ /* [1] */
1693 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1694 /* int[16] */ /* [2] */
1695 BTF_TYPE_ARRAY_ENC(3, 3, 16),
1696 /* CONST type_id=1 */ /* [3] */
1697 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1),
1698 BTF_END_RAW,
1699 },
1700 .str_sec = "",
1701 .str_sec_size = sizeof(""),
1702 .map_type = BPF_MAP_TYPE_ARRAY,
1703 .map_name = "array_test_map",
1704 .key_size = sizeof(int),
1705 .value_size = sizeof(int),
1706 .key_type_id = 1,
1707 .value_type_id = 1,
1708 .max_entries = 4,
1709 },
1710
1711 {
1712 .descr = "array test. index_type \"const int:31\"",
1713 .raw_types = {
1714 /* int */ /* [1] */
1715 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1716 /* int:31 */ /* [2] */
1717 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4),
1718 /* int[16] */ /* [3] */
1719 BTF_TYPE_ARRAY_ENC(1, 4, 16),
1720 /* CONST type_id=2 */ /* [4] */
1721 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2),
1722 BTF_END_RAW,
1723 },
1724 .str_sec = "",
1725 .str_sec_size = sizeof(""),
1726 .map_type = BPF_MAP_TYPE_ARRAY,
1727 .map_name = "array_test_map",
1728 .key_size = sizeof(int),
1729 .value_size = sizeof(int),
1730 .key_type_id = 1,
1731 .value_type_id = 1,
1732 .max_entries = 4,
1733 .btf_load_err = true,
1734 .err_str = "Invalid index",
1735 },
1736
1737 {
1738 .descr = "array test. elem_type \"const int:31\"",
1739 .raw_types = {
1740 /* int */ /* [1] */
1741 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1742 /* int:31 */ /* [2] */
1743 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4),
1744 /* int[16] */ /* [3] */
1745 BTF_TYPE_ARRAY_ENC(4, 1, 16),
1746 /* CONST type_id=2 */ /* [4] */
1747 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2),
1748 BTF_END_RAW,
1749 },
1750 .str_sec = "",
1751 .str_sec_size = sizeof(""),
1752 .map_type = BPF_MAP_TYPE_ARRAY,
1753 .map_name = "array_test_map",
1754 .key_size = sizeof(int),
1755 .value_size = sizeof(int),
1756 .key_type_id = 1,
1757 .value_type_id = 1,
1758 .max_entries = 4,
1759 .btf_load_err = true,
1760 .err_str = "Invalid array of int",
1761 },
1762
1763 {
1764 .descr = "array test. index_type \"void\"",
1765 .raw_types = {
1766 /* int */ /* [1] */
1767 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1768 /* int[16] */ /* [2] */
1769 BTF_TYPE_ARRAY_ENC(1, 0, 16),
1770 BTF_END_RAW,
1771 },
1772 .str_sec = "",
1773 .str_sec_size = sizeof(""),
1774 .map_type = BPF_MAP_TYPE_ARRAY,
1775 .map_name = "array_test_map",
1776 .key_size = sizeof(int),
1777 .value_size = sizeof(int),
1778 .key_type_id = 1,
1779 .value_type_id = 1,
1780 .max_entries = 4,
1781 .btf_load_err = true,
1782 .err_str = "Invalid index",
1783 },
1784
1785 {
1786 .descr = "array test. index_type \"const void\"",
1787 .raw_types = {
1788 /* int */ /* [1] */
1789 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1790 /* int[16] */ /* [2] */
1791 BTF_TYPE_ARRAY_ENC(1, 3, 16),
1792 /* CONST type_id=0 (void) */ /* [3] */
1793 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
1794 BTF_END_RAW,
1795 },
1796 .str_sec = "",
1797 .str_sec_size = sizeof(""),
1798 .map_type = BPF_MAP_TYPE_ARRAY,
1799 .map_name = "array_test_map",
1800 .key_size = sizeof(int),
1801 .value_size = sizeof(int),
1802 .key_type_id = 1,
1803 .value_type_id = 1,
1804 .max_entries = 4,
1805 .btf_load_err = true,
1806 .err_str = "Invalid index",
1807 },
1808
1809 {
1810 .descr = "array test. elem_type \"const void\"",
1811 .raw_types = {
1812 /* int */ /* [1] */
1813 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1814 /* int[16] */ /* [2] */
1815 BTF_TYPE_ARRAY_ENC(3, 1, 16),
1816 /* CONST type_id=0 (void) */ /* [3] */
1817 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0),
1818 BTF_END_RAW,
1819 },
1820 .str_sec = "",
1821 .str_sec_size = sizeof(""),
1822 .map_type = BPF_MAP_TYPE_ARRAY,
1823 .map_name = "array_test_map",
1824 .key_size = sizeof(int),
1825 .value_size = sizeof(int),
1826 .key_type_id = 1,
1827 .value_type_id = 1,
1828 .max_entries = 4,
1829 .btf_load_err = true,
1830 .err_str = "Invalid elem",
1831 },
1832
1833 {
1834 .descr = "array test. elem_type \"const void *\"",
1835 .raw_types = {
1836 /* int */ /* [1] */
1837 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1838 /* const void *[16] */ /* [2] */
1839 BTF_TYPE_ARRAY_ENC(3, 1, 16),
1840 /* CONST type_id=4 */ /* [3] */
1841 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4),
1842 /* void* */ /* [4] */
1843 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0),
1844 BTF_END_RAW,
1845 },
1846 .str_sec = "",
1847 .str_sec_size = sizeof(""),
1848 .map_type = BPF_MAP_TYPE_ARRAY,
1849 .map_name = "array_test_map",
1850 .key_size = sizeof(int),
1851 .value_size = sizeof(int),
1852 .key_type_id = 1,
1853 .value_type_id = 1,
1854 .max_entries = 4,
1855 },
1856
1857 {
1858 .descr = "array test. index_type \"const void *\"",
1859 .raw_types = {
1860 /* int */ /* [1] */
1861 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1862 /* const void *[16] */ /* [2] */
1863 BTF_TYPE_ARRAY_ENC(3, 3, 16),
1864 /* CONST type_id=4 */ /* [3] */
1865 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4),
1866 /* void* */ /* [4] */
1867 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0),
1868 BTF_END_RAW,
1869 },
1870 .str_sec = "",
1871 .str_sec_size = sizeof(""),
1872 .map_type = BPF_MAP_TYPE_ARRAY,
1873 .map_name = "array_test_map",
1874 .key_size = sizeof(int),
1875 .value_size = sizeof(int),
1876 .key_type_id = 1,
1877 .value_type_id = 1,
1878 .max_entries = 4,
1879 .btf_load_err = true,
1880 .err_str = "Invalid index",
1881 },
1882
1883 {
1884 .descr = "array test. t->size != 0\"",
1885 .raw_types = {
1886 /* int */ /* [1] */
1887 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1888 /* int[16] */ /* [2] */
1889 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 1),
1890 BTF_ARRAY_ENC(1, 1, 16),
1891 BTF_END_RAW,
1892 },
1893 .str_sec = "",
1894 .str_sec_size = sizeof(""),
1895 .map_type = BPF_MAP_TYPE_ARRAY,
1896 .map_name = "array_test_map",
1897 .key_size = sizeof(int),
1898 .value_size = sizeof(int),
1899 .key_type_id = 1,
1900 .value_type_id = 1,
1901 .max_entries = 4,
1902 .btf_load_err = true,
1903 .err_str = "size != 0",
1904 },
1905
1906 {
1907 .descr = "int test. invalid int_data",
1908 .raw_types = {
1909 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), 4),
1910 0x10000000,
1911 BTF_END_RAW,
1912 },
1913 .str_sec = "",
1914 .str_sec_size = sizeof(""),
1915 .map_type = BPF_MAP_TYPE_ARRAY,
1916 .map_name = "array_test_map",
1917 .key_size = sizeof(int),
1918 .value_size = sizeof(int),
1919 .key_type_id = 1,
1920 .value_type_id = 1,
1921 .max_entries = 4,
1922 .btf_load_err = true,
1923 .err_str = "Invalid int_data",
1924 },
1925
1926 {
1927 .descr = "invalid BTF_INFO",
1928 .raw_types = {
1929 /* int */ /* [1] */
1930 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1931 BTF_TYPE_ENC(0, 0x20000000, 4),
1932 BTF_END_RAW,
1933 },
1934 .str_sec = "",
1935 .str_sec_size = sizeof(""),
1936 .map_type = BPF_MAP_TYPE_ARRAY,
1937 .map_name = "array_test_map",
1938 .key_size = sizeof(int),
1939 .value_size = sizeof(int),
1940 .key_type_id = 1,
1941 .value_type_id = 1,
1942 .max_entries = 4,
1943 .btf_load_err = true,
1944 .err_str = "Invalid btf_info",
1945 },
1946
1947 {
1948 .descr = "fwd test. t->type != 0\"",
1949 .raw_types = {
1950 /* int */ /* [1] */
1951 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
1952 /* fwd type */ /* [2] */
1953 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 1),
1954 BTF_END_RAW,
1955 },
1956 .str_sec = "",
1957 .str_sec_size = sizeof(""),
1958 .map_type = BPF_MAP_TYPE_ARRAY,
1959 .map_name = "fwd_test_map",
1960 .key_size = sizeof(int),
1961 .value_size = sizeof(int),
1962 .key_type_id = 1,
1963 .value_type_id = 1,
1964 .max_entries = 4,
1965 .btf_load_err = true,
1966 .err_str = "type != 0",
1967 },
1968
1969 {
1970 .descr = "typedef (invalid name, name_off = 0)",
1971 .raw_types = {
1972 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
1973 BTF_TYPEDEF_ENC(0, 1), /* [2] */
1974 BTF_END_RAW,
1975 },
1976 .str_sec = "\0__int",
1977 .str_sec_size = sizeof("\0__int"),
1978 .map_type = BPF_MAP_TYPE_ARRAY,
1979 .map_name = "typedef_check_btf",
1980 .key_size = sizeof(int),
1981 .value_size = sizeof(int),
1982 .key_type_id = 1,
1983 .value_type_id = 1,
1984 .max_entries = 4,
1985 .btf_load_err = true,
1986 .err_str = "Invalid name",
1987 },
1988
1989 {
1990 .descr = "typedef (invalid name, invalid identifier)",
1991 .raw_types = {
1992 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
1993 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */
1994 BTF_END_RAW,
1995 },
1996 .str_sec = "\0__!int",
1997 .str_sec_size = sizeof("\0__!int"),
1998 .map_type = BPF_MAP_TYPE_ARRAY,
1999 .map_name = "typedef_check_btf",
2000 .key_size = sizeof(int),
2001 .value_size = sizeof(int),
2002 .key_type_id = 1,
2003 .value_type_id = 1,
2004 .max_entries = 4,
2005 .btf_load_err = true,
2006 .err_str = "Invalid name",
2007 },
2008
2009 {
2010 .descr = "ptr type (invalid name, name_off <> 0)",
2011 .raw_types = {
2012 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2013 BTF_TYPE_ENC(NAME_TBD,
2014 BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1), /* [2] */
2015 BTF_END_RAW,
2016 },
2017 .str_sec = "\0__int",
2018 .str_sec_size = sizeof("\0__int"),
2019 .map_type = BPF_MAP_TYPE_ARRAY,
2020 .map_name = "ptr_type_check_btf",
2021 .key_size = sizeof(int),
2022 .value_size = sizeof(int),
2023 .key_type_id = 1,
2024 .value_type_id = 1,
2025 .max_entries = 4,
2026 .btf_load_err = true,
2027 .err_str = "Invalid name",
2028 },
2029
2030 {
2031 .descr = "volatile type (invalid name, name_off <> 0)",
2032 .raw_types = {
2033 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2034 BTF_TYPE_ENC(NAME_TBD,
2035 BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 1), /* [2] */
2036 BTF_END_RAW,
2037 },
2038 .str_sec = "\0__int",
2039 .str_sec_size = sizeof("\0__int"),
2040 .map_type = BPF_MAP_TYPE_ARRAY,
2041 .map_name = "volatile_type_check_btf",
2042 .key_size = sizeof(int),
2043 .value_size = sizeof(int),
2044 .key_type_id = 1,
2045 .value_type_id = 1,
2046 .max_entries = 4,
2047 .btf_load_err = true,
2048 .err_str = "Invalid name",
2049 },
2050
2051 {
2052 .descr = "const type (invalid name, name_off <> 0)",
2053 .raw_types = {
2054 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2055 BTF_TYPE_ENC(NAME_TBD,
2056 BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), /* [2] */
2057 BTF_END_RAW,
2058 },
2059 .str_sec = "\0__int",
2060 .str_sec_size = sizeof("\0__int"),
2061 .map_type = BPF_MAP_TYPE_ARRAY,
2062 .map_name = "const_type_check_btf",
2063 .key_size = sizeof(int),
2064 .value_size = sizeof(int),
2065 .key_type_id = 1,
2066 .value_type_id = 1,
2067 .max_entries = 4,
2068 .btf_load_err = true,
2069 .err_str = "Invalid name",
2070 },
2071
2072 {
2073 .descr = "restrict type (invalid name, name_off <> 0)",
2074 .raw_types = {
2075 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2076 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1), /* [2] */
2077 BTF_TYPE_ENC(NAME_TBD,
2078 BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), 2), /* [3] */
2079 BTF_END_RAW,
2080 },
2081 .str_sec = "\0__int",
2082 .str_sec_size = sizeof("\0__int"),
2083 .map_type = BPF_MAP_TYPE_ARRAY,
2084 .map_name = "restrict_type_check_btf",
2085 .key_size = sizeof(int),
2086 .value_size = sizeof(int),
2087 .key_type_id = 1,
2088 .value_type_id = 1,
2089 .max_entries = 4,
2090 .btf_load_err = true,
2091 .err_str = "Invalid name",
2092 },
2093
2094 {
2095 .descr = "fwd type (invalid name, name_off = 0)",
2096 .raw_types = {
2097 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2098 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0), /* [2] */
2099 BTF_END_RAW,
2100 },
2101 .str_sec = "\0__skb",
2102 .str_sec_size = sizeof("\0__skb"),
2103 .map_type = BPF_MAP_TYPE_ARRAY,
2104 .map_name = "fwd_type_check_btf",
2105 .key_size = sizeof(int),
2106 .value_size = sizeof(int),
2107 .key_type_id = 1,
2108 .value_type_id = 1,
2109 .max_entries = 4,
2110 .btf_load_err = true,
2111 .err_str = "Invalid name",
2112 },
2113
2114 {
2115 .descr = "fwd type (invalid name, invalid identifier)",
2116 .raw_types = {
2117 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2118 BTF_TYPE_ENC(NAME_TBD,
2119 BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0), /* [2] */
2120 BTF_END_RAW,
2121 },
2122 .str_sec = "\0__!skb",
2123 .str_sec_size = sizeof("\0__!skb"),
2124 .map_type = BPF_MAP_TYPE_ARRAY,
2125 .map_name = "fwd_type_check_btf",
2126 .key_size = sizeof(int),
2127 .value_size = sizeof(int),
2128 .key_type_id = 1,
2129 .value_type_id = 1,
2130 .max_entries = 4,
2131 .btf_load_err = true,
2132 .err_str = "Invalid name",
2133 },
2134
2135 {
2136 .descr = "array type (invalid name, name_off <> 0)",
2137 .raw_types = {
2138 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2139 BTF_TYPE_ENC(NAME_TBD,
2140 BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), /* [2] */
2141 BTF_ARRAY_ENC(1, 1, 4),
2142 BTF_END_RAW,
2143 },
2144 .str_sec = "\0__skb",
2145 .str_sec_size = sizeof("\0__skb"),
2146 .map_type = BPF_MAP_TYPE_ARRAY,
2147 .map_name = "array_type_check_btf",
2148 .key_size = sizeof(int),
2149 .value_size = sizeof(int),
2150 .key_type_id = 1,
2151 .value_type_id = 1,
2152 .max_entries = 4,
2153 .btf_load_err = true,
2154 .err_str = "Invalid name",
2155 },
2156
2157 {
2158 .descr = "struct type (name_off = 0)",
2159 .raw_types = {
2160 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2161 BTF_TYPE_ENC(0,
2162 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */
2163 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
2164 BTF_END_RAW,
2165 },
2166 .str_sec = "\0A",
2167 .str_sec_size = sizeof("\0A"),
2168 .map_type = BPF_MAP_TYPE_ARRAY,
2169 .map_name = "struct_type_check_btf",
2170 .key_size = sizeof(int),
2171 .value_size = sizeof(int),
2172 .key_type_id = 1,
2173 .value_type_id = 1,
2174 .max_entries = 4,
2175 },
2176
2177 {
2178 .descr = "struct type (invalid name, invalid identifier)",
2179 .raw_types = {
2180 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2181 BTF_TYPE_ENC(NAME_TBD,
2182 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */
2183 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
2184 BTF_END_RAW,
2185 },
2186 .str_sec = "\0A!\0B",
2187 .str_sec_size = sizeof("\0A!\0B"),
2188 .map_type = BPF_MAP_TYPE_ARRAY,
2189 .map_name = "struct_type_check_btf",
2190 .key_size = sizeof(int),
2191 .value_size = sizeof(int),
2192 .key_type_id = 1,
2193 .value_type_id = 1,
2194 .max_entries = 4,
2195 .btf_load_err = true,
2196 .err_str = "Invalid name",
2197 },
2198
2199 {
2200 .descr = "struct member (name_off = 0)",
2201 .raw_types = {
2202 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2203 BTF_TYPE_ENC(0,
2204 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */
2205 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
2206 BTF_END_RAW,
2207 },
2208 .str_sec = "\0A",
2209 .str_sec_size = sizeof("\0A"),
2210 .map_type = BPF_MAP_TYPE_ARRAY,
2211 .map_name = "struct_type_check_btf",
2212 .key_size = sizeof(int),
2213 .value_size = sizeof(int),
2214 .key_type_id = 1,
2215 .value_type_id = 1,
2216 .max_entries = 4,
2217 },
2218
2219 {
2220 .descr = "struct member (invalid name, invalid identifier)",
2221 .raw_types = {
2222 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2223 BTF_TYPE_ENC(NAME_TBD,
2224 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */
2225 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
2226 BTF_END_RAW,
2227 },
2228 .str_sec = "\0A\0B*",
2229 .str_sec_size = sizeof("\0A\0B*"),
2230 .map_type = BPF_MAP_TYPE_ARRAY,
2231 .map_name = "struct_type_check_btf",
2232 .key_size = sizeof(int),
2233 .value_size = sizeof(int),
2234 .key_type_id = 1,
2235 .value_type_id = 1,
2236 .max_entries = 4,
2237 .btf_load_err = true,
2238 .err_str = "Invalid name",
2239 },
2240
2241 {
2242 .descr = "enum type (name_off = 0)",
2243 .raw_types = {
2244 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2245 BTF_TYPE_ENC(0,
2246 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
2247 sizeof(int)), /* [2] */
2248 BTF_ENUM_ENC(NAME_TBD, 0),
2249 BTF_END_RAW,
2250 },
2251 .str_sec = "\0A\0B",
2252 .str_sec_size = sizeof("\0A\0B"),
2253 .map_type = BPF_MAP_TYPE_ARRAY,
2254 .map_name = "enum_type_check_btf",
2255 .key_size = sizeof(int),
2256 .value_size = sizeof(int),
2257 .key_type_id = 1,
2258 .value_type_id = 1,
2259 .max_entries = 4,
2260 },
2261
2262 {
2263 .descr = "enum type (invalid name, invalid identifier)",
2264 .raw_types = {
2265 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2266 BTF_TYPE_ENC(NAME_TBD,
2267 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
2268 sizeof(int)), /* [2] */
2269 BTF_ENUM_ENC(NAME_TBD, 0),
2270 BTF_END_RAW,
2271 },
2272 .str_sec = "\0A!\0B",
2273 .str_sec_size = sizeof("\0A!\0B"),
2274 .map_type = BPF_MAP_TYPE_ARRAY,
2275 .map_name = "enum_type_check_btf",
2276 .key_size = sizeof(int),
2277 .value_size = sizeof(int),
2278 .key_type_id = 1,
2279 .value_type_id = 1,
2280 .max_entries = 4,
2281 .btf_load_err = true,
2282 .err_str = "Invalid name",
2283 },
2284
2285 {
2286 .descr = "enum member (invalid name, name_off = 0)",
2287 .raw_types = {
2288 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2289 BTF_TYPE_ENC(0,
2290 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
2291 sizeof(int)), /* [2] */
2292 BTF_ENUM_ENC(0, 0),
2293 BTF_END_RAW,
2294 },
2295 .str_sec = "",
2296 .str_sec_size = sizeof(""),
2297 .map_type = BPF_MAP_TYPE_ARRAY,
2298 .map_name = "enum_type_check_btf",
2299 .key_size = sizeof(int),
2300 .value_size = sizeof(int),
2301 .key_type_id = 1,
2302 .value_type_id = 1,
2303 .max_entries = 4,
2304 .btf_load_err = true,
2305 .err_str = "Invalid name",
2306 },
2307
2308 {
2309 .descr = "enum member (invalid name, invalid identifier)",
2310 .raw_types = {
2311 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2312 BTF_TYPE_ENC(0,
2313 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1),
2314 sizeof(int)), /* [2] */
2315 BTF_ENUM_ENC(NAME_TBD, 0),
2316 BTF_END_RAW,
2317 },
2318 .str_sec = "\0A!",
2319 .str_sec_size = sizeof("\0A!"),
2320 .map_type = BPF_MAP_TYPE_ARRAY,
2321 .map_name = "enum_type_check_btf",
2322 .key_size = sizeof(int),
2323 .value_size = sizeof(int),
2324 .key_type_id = 1,
2325 .value_type_id = 1,
2326 .max_entries = 4,
2327 .btf_load_err = true,
2328 .err_str = "Invalid name",
2329 },
2330 {
2331 .descr = "arraymap invalid btf key (a bit field)",
2332 .raw_types = {
2333 /* int */ /* [1] */
2334 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
2335 /* 32 bit int with 32 bit offset */ /* [2] */
2336 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 32, 32, 8),
2337 BTF_END_RAW,
2338 },
2339 .str_sec = "",
2340 .str_sec_size = sizeof(""),
2341 .map_type = BPF_MAP_TYPE_ARRAY,
2342 .map_name = "array_map_check_btf",
2343 .key_size = sizeof(int),
2344 .value_size = sizeof(int),
2345 .key_type_id = 2,
2346 .value_type_id = 1,
2347 .max_entries = 4,
2348 .map_create_err = true,
2349 },
2350
2351 {
2352 .descr = "arraymap invalid btf key (!= 32 bits)",
2353 .raw_types = {
2354 /* int */ /* [1] */
2355 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
2356 /* 16 bit int with 0 bit offset */ /* [2] */
2357 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 16, 2),
2358 BTF_END_RAW,
2359 },
2360 .str_sec = "",
2361 .str_sec_size = sizeof(""),
2362 .map_type = BPF_MAP_TYPE_ARRAY,
2363 .map_name = "array_map_check_btf",
2364 .key_size = sizeof(int),
2365 .value_size = sizeof(int),
2366 .key_type_id = 2,
2367 .value_type_id = 1,
2368 .max_entries = 4,
2369 .map_create_err = true,
2370 },
2371
2372 {
2373 .descr = "arraymap invalid btf value (too small)",
2374 .raw_types = {
2375 /* int */ /* [1] */
2376 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
2377 BTF_END_RAW,
2378 },
2379 .str_sec = "",
2380 .str_sec_size = sizeof(""),
2381 .map_type = BPF_MAP_TYPE_ARRAY,
2382 .map_name = "array_map_check_btf",
2383 .key_size = sizeof(int),
2384 /* btf_value_size < map->value_size */
2385 .value_size = sizeof(__u64),
2386 .key_type_id = 1,
2387 .value_type_id = 1,
2388 .max_entries = 4,
2389 .map_create_err = true,
2390 },
2391
2392 {
2393 .descr = "arraymap invalid btf value (too big)",
2394 .raw_types = {
2395 /* int */ /* [1] */
2396 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
2397 BTF_END_RAW,
2398 },
2399 .str_sec = "",
2400 .str_sec_size = sizeof(""),
2401 .map_type = BPF_MAP_TYPE_ARRAY,
2402 .map_name = "array_map_check_btf",
2403 .key_size = sizeof(int),
2404 /* btf_value_size > map->value_size */
2405 .value_size = sizeof(__u16),
2406 .key_type_id = 1,
2407 .value_type_id = 1,
2408 .max_entries = 4,
2409 .map_create_err = true,
2410 },
2411
2412 {
2413 .descr = "func proto (int (*)(int, unsigned int))",
2414 .raw_types = {
2415 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2416 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2417 /* int (*)(int, unsigned int) */
2418 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
2419 BTF_FUNC_PROTO_ARG_ENC(0, 1),
2420 BTF_FUNC_PROTO_ARG_ENC(0, 2),
2421 BTF_END_RAW,
2422 },
2423 .str_sec = "",
2424 .str_sec_size = sizeof(""),
2425 .map_type = BPF_MAP_TYPE_ARRAY,
2426 .map_name = "func_proto_type_check_btf",
2427 .key_size = sizeof(int),
2428 .value_size = sizeof(int),
2429 .key_type_id = 1,
2430 .value_type_id = 1,
2431 .max_entries = 4,
2432 },
2433
2434 {
2435 .descr = "func proto (vararg)",
2436 .raw_types = {
2437 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2438 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2439 /* void (*)(int, unsigned int, ...) */
2440 BTF_FUNC_PROTO_ENC(0, 3), /* [3] */
2441 BTF_FUNC_PROTO_ARG_ENC(0, 1),
2442 BTF_FUNC_PROTO_ARG_ENC(0, 2),
2443 BTF_FUNC_PROTO_ARG_ENC(0, 0),
2444 BTF_END_RAW,
2445 },
2446 .str_sec = "",
2447 .str_sec_size = sizeof(""),
2448 .map_type = BPF_MAP_TYPE_ARRAY,
2449 .map_name = "func_proto_type_check_btf",
2450 .key_size = sizeof(int),
2451 .value_size = sizeof(int),
2452 .key_type_id = 1,
2453 .value_type_id = 1,
2454 .max_entries = 4,
2455 },
2456
2457 {
2458 .descr = "func proto (vararg with name)",
2459 .raw_types = {
2460 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2461 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2462 /* void (*)(int a, unsigned int b, ... c) */
2463 BTF_FUNC_PROTO_ENC(0, 3), /* [3] */
2464 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
2465 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
2466 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 0),
2467 BTF_END_RAW,
2468 },
2469 .str_sec = "\0a\0b\0c",
2470 .str_sec_size = sizeof("\0a\0b\0c"),
2471 .map_type = BPF_MAP_TYPE_ARRAY,
2472 .map_name = "func_proto_type_check_btf",
2473 .key_size = sizeof(int),
2474 .value_size = sizeof(int),
2475 .key_type_id = 1,
2476 .value_type_id = 1,
2477 .max_entries = 4,
2478 .btf_load_err = true,
2479 .err_str = "Invalid arg#3",
2480 },
2481
2482 {
2483 .descr = "func proto (arg after vararg)",
2484 .raw_types = {
2485 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2486 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2487 /* void (*)(int a, ..., unsigned int b) */
2488 BTF_FUNC_PROTO_ENC(0, 3), /* [3] */
2489 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
2490 BTF_FUNC_PROTO_ARG_ENC(0, 0),
2491 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
2492 BTF_END_RAW,
2493 },
2494 .str_sec = "\0a\0b",
2495 .str_sec_size = sizeof("\0a\0b"),
2496 .map_type = BPF_MAP_TYPE_ARRAY,
2497 .map_name = "func_proto_type_check_btf",
2498 .key_size = sizeof(int),
2499 .value_size = sizeof(int),
2500 .key_type_id = 1,
2501 .value_type_id = 1,
2502 .max_entries = 4,
2503 .btf_load_err = true,
2504 .err_str = "Invalid arg#2",
2505 },
2506
2507 {
2508 .descr = "func proto (CONST=>TYPEDEF=>PTR=>FUNC_PROTO)",
2509 .raw_types = {
2510 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2511 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2512 /* typedef void (*func_ptr)(int, unsigned int) */
2513 BTF_TYPEDEF_ENC(NAME_TBD, 5), /* [3] */
2514 /* const func_ptr */
2515 BTF_CONST_ENC(3), /* [4] */
2516 BTF_PTR_ENC(6), /* [5] */
2517 BTF_FUNC_PROTO_ENC(0, 2), /* [6] */
2518 BTF_FUNC_PROTO_ARG_ENC(0, 1),
2519 BTF_FUNC_PROTO_ARG_ENC(0, 2),
2520 BTF_END_RAW,
2521 },
2522 .str_sec = "\0func_ptr",
2523 .str_sec_size = sizeof("\0func_ptr"),
2524 .map_type = BPF_MAP_TYPE_ARRAY,
2525 .map_name = "func_proto_type_check_btf",
2526 .key_size = sizeof(int),
2527 .value_size = sizeof(int),
2528 .key_type_id = 1,
2529 .value_type_id = 1,
2530 .max_entries = 4,
2531 },
2532
2533 {
2534 .descr = "func proto (TYPEDEF=>FUNC_PROTO)",
2535 .raw_types = {
2536 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2537 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2538 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */
2539 BTF_FUNC_PROTO_ENC(0, 2), /* [4] */
2540 BTF_FUNC_PROTO_ARG_ENC(0, 1),
2541 BTF_FUNC_PROTO_ARG_ENC(0, 2),
2542 BTF_END_RAW,
2543 },
2544 .str_sec = "\0func_typedef",
2545 .str_sec_size = sizeof("\0func_typedef"),
2546 .map_type = BPF_MAP_TYPE_ARRAY,
2547 .map_name = "func_proto_type_check_btf",
2548 .key_size = sizeof(int),
2549 .value_size = sizeof(int),
2550 .key_type_id = 1,
2551 .value_type_id = 1,
2552 .max_entries = 4,
2553 },
2554
2555 {
2556 .descr = "func proto (btf_resolve(arg))",
2557 .raw_types = {
2558 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2559 /* void (*)(const void *) */
2560 BTF_FUNC_PROTO_ENC(0, 1), /* [2] */
2561 BTF_FUNC_PROTO_ARG_ENC(0, 3),
2562 BTF_CONST_ENC(4), /* [3] */
2563 BTF_PTR_ENC(0), /* [4] */
2564 BTF_END_RAW,
2565 },
2566 .str_sec = "",
2567 .str_sec_size = sizeof(""),
2568 .map_type = BPF_MAP_TYPE_ARRAY,
2569 .map_name = "func_proto_type_check_btf",
2570 .key_size = sizeof(int),
2571 .value_size = sizeof(int),
2572 .key_type_id = 1,
2573 .value_type_id = 1,
2574 .max_entries = 4,
2575 },
2576
2577 {
2578 .descr = "func proto (Not all arg has name)",
2579 .raw_types = {
2580 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2581 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2582 /* void (*)(int, unsigned int b) */
2583 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
2584 BTF_FUNC_PROTO_ARG_ENC(0, 1),
2585 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
2586 BTF_END_RAW,
2587 },
2588 .str_sec = "\0b",
2589 .str_sec_size = sizeof("\0b"),
2590 .map_type = BPF_MAP_TYPE_ARRAY,
2591 .map_name = "func_proto_type_check_btf",
2592 .key_size = sizeof(int),
2593 .value_size = sizeof(int),
2594 .key_type_id = 1,
2595 .value_type_id = 1,
2596 .max_entries = 4,
2597 },
2598
2599 {
2600 .descr = "func proto (Bad arg name_off)",
2601 .raw_types = {
2602 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2603 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2604 /* void (*)(int a, unsigned int <bad_name_off>) */
2605 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
2606 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
2607 BTF_FUNC_PROTO_ARG_ENC(0x0fffffff, 2),
2608 BTF_END_RAW,
2609 },
2610 .str_sec = "\0a",
2611 .str_sec_size = sizeof("\0a"),
2612 .map_type = BPF_MAP_TYPE_ARRAY,
2613 .map_name = "func_proto_type_check_btf",
2614 .key_size = sizeof(int),
2615 .value_size = sizeof(int),
2616 .key_type_id = 1,
2617 .value_type_id = 1,
2618 .max_entries = 4,
2619 .btf_load_err = true,
2620 .err_str = "Invalid arg#2",
2621 },
2622
2623 {
2624 .descr = "func proto (Bad arg name)",
2625 .raw_types = {
2626 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2627 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2628 /* void (*)(int a, unsigned int !!!) */
2629 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
2630 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
2631 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
2632 BTF_END_RAW,
2633 },
2634 .str_sec = "\0a\0!!!",
2635 .str_sec_size = sizeof("\0a\0!!!"),
2636 .map_type = BPF_MAP_TYPE_ARRAY,
2637 .map_name = "func_proto_type_check_btf",
2638 .key_size = sizeof(int),
2639 .value_size = sizeof(int),
2640 .key_type_id = 1,
2641 .value_type_id = 1,
2642 .max_entries = 4,
2643 .btf_load_err = true,
2644 .err_str = "Invalid arg#2",
2645 },
2646
2647 {
2648 .descr = "func proto (Invalid return type)",
2649 .raw_types = {
2650 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2651 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2652 /* <bad_ret_type> (*)(int, unsigned int) */
2653 BTF_FUNC_PROTO_ENC(100, 2), /* [3] */
2654 BTF_FUNC_PROTO_ARG_ENC(0, 1),
2655 BTF_FUNC_PROTO_ARG_ENC(0, 2),
2656 BTF_END_RAW,
2657 },
2658 .str_sec = "",
2659 .str_sec_size = sizeof(""),
2660 .map_type = BPF_MAP_TYPE_ARRAY,
2661 .map_name = "func_proto_type_check_btf",
2662 .key_size = sizeof(int),
2663 .value_size = sizeof(int),
2664 .key_type_id = 1,
2665 .value_type_id = 1,
2666 .max_entries = 4,
2667 .btf_load_err = true,
2668 .err_str = "Invalid return type",
2669 },
2670
2671 {
2672 .descr = "func proto (with func name)",
2673 .raw_types = {
2674 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2675 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2676 /* void func_proto(int, unsigned int) */
2677 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 2), 0), /* [3] */
2678 BTF_FUNC_PROTO_ARG_ENC(0, 1),
2679 BTF_FUNC_PROTO_ARG_ENC(0, 2),
2680 BTF_END_RAW,
2681 },
2682 .str_sec = "\0func_proto",
2683 .str_sec_size = sizeof("\0func_proto"),
2684 .map_type = BPF_MAP_TYPE_ARRAY,
2685 .map_name = "func_proto_type_check_btf",
2686 .key_size = sizeof(int),
2687 .value_size = sizeof(int),
2688 .key_type_id = 1,
2689 .value_type_id = 1,
2690 .max_entries = 4,
2691 .btf_load_err = true,
2692 .err_str = "Invalid name",
2693 },
2694
2695 {
2696 .descr = "func proto (const void arg)",
2697 .raw_types = {
2698 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2699 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2700 /* void (*)(const void) */
2701 BTF_FUNC_PROTO_ENC(0, 1), /* [3] */
2702 BTF_FUNC_PROTO_ARG_ENC(0, 4),
2703 BTF_CONST_ENC(0), /* [4] */
2704 BTF_END_RAW,
2705 },
2706 .str_sec = "",
2707 .str_sec_size = sizeof(""),
2708 .map_type = BPF_MAP_TYPE_ARRAY,
2709 .map_name = "func_proto_type_check_btf",
2710 .key_size = sizeof(int),
2711 .value_size = sizeof(int),
2712 .key_type_id = 1,
2713 .value_type_id = 1,
2714 .max_entries = 4,
2715 .btf_load_err = true,
2716 .err_str = "Invalid arg#1",
2717 },
2718
2719 {
2720 .descr = "func (void func(int a, unsigned int b))",
2721 .raw_types = {
2722 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2723 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2724 /* void (*)(int a, unsigned int b) */
2725 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
2726 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
2727 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
2728 /* void func(int a, unsigned int b) */
2729 BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */
2730 BTF_END_RAW,
2731 },
2732 .str_sec = "\0a\0b\0func",
2733 .str_sec_size = sizeof("\0a\0b\0func"),
2734 .map_type = BPF_MAP_TYPE_ARRAY,
2735 .map_name = "func_type_check_btf",
2736 .key_size = sizeof(int),
2737 .value_size = sizeof(int),
2738 .key_type_id = 1,
2739 .value_type_id = 1,
2740 .max_entries = 4,
2741 },
2742
2743 {
2744 .descr = "func (No func name)",
2745 .raw_types = {
2746 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2747 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2748 /* void (*)(int a, unsigned int b) */
2749 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
2750 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
2751 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
2752 /* void <no_name>(int a, unsigned int b) */
2753 BTF_FUNC_ENC(0, 3), /* [4] */
2754 BTF_END_RAW,
2755 },
2756 .str_sec = "\0a\0b",
2757 .str_sec_size = sizeof("\0a\0b"),
2758 .map_type = BPF_MAP_TYPE_ARRAY,
2759 .map_name = "func_type_check_btf",
2760 .key_size = sizeof(int),
2761 .value_size = sizeof(int),
2762 .key_type_id = 1,
2763 .value_type_id = 1,
2764 .max_entries = 4,
2765 .btf_load_err = true,
2766 .err_str = "Invalid name",
2767 },
2768
2769 {
2770 .descr = "func (Invalid func name)",
2771 .raw_types = {
2772 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2773 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2774 /* void (*)(int a, unsigned int b) */
2775 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
2776 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
2777 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
2778 /* void !!!(int a, unsigned int b) */
2779 BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */
2780 BTF_END_RAW,
2781 },
2782 .str_sec = "\0a\0b\0!!!",
2783 .str_sec_size = sizeof("\0a\0b\0!!!"),
2784 .map_type = BPF_MAP_TYPE_ARRAY,
2785 .map_name = "func_type_check_btf",
2786 .key_size = sizeof(int),
2787 .value_size = sizeof(int),
2788 .key_type_id = 1,
2789 .value_type_id = 1,
2790 .max_entries = 4,
2791 .btf_load_err = true,
2792 .err_str = "Invalid name",
2793 },
2794
2795 {
2796 .descr = "func (Some arg has no name)",
2797 .raw_types = {
2798 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2799 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2800 /* void (*)(int a, unsigned int) */
2801 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
2802 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
2803 BTF_FUNC_PROTO_ARG_ENC(0, 2),
2804 /* void func(int a, unsigned int) */
2805 BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */
2806 BTF_END_RAW,
2807 },
2808 .str_sec = "\0a\0func",
2809 .str_sec_size = sizeof("\0a\0func"),
2810 .map_type = BPF_MAP_TYPE_ARRAY,
2811 .map_name = "func_type_check_btf",
2812 .key_size = sizeof(int),
2813 .value_size = sizeof(int),
2814 .key_type_id = 1,
2815 .value_type_id = 1,
2816 .max_entries = 4,
2817 .btf_load_err = true,
2818 .err_str = "Invalid arg#2",
2819 },
2820
2821 {
2822 .descr = "func (Non zero vlen)",
2823 .raw_types = {
2824 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2825 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */
2826 /* void (*)(int a, unsigned int b) */
2827 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
2828 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
2829 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
2830 /* void func(int a, unsigned int b) */
2831 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 2), 3), /* [4] */
2832 BTF_END_RAW,
2833 },
2834 .str_sec = "\0a\0b\0func",
2835 .str_sec_size = sizeof("\0a\0b\0func"),
2836 .map_type = BPF_MAP_TYPE_ARRAY,
2837 .map_name = "func_type_check_btf",
2838 .key_size = sizeof(int),
2839 .value_size = sizeof(int),
2840 .key_type_id = 1,
2841 .value_type_id = 1,
2842 .max_entries = 4,
2843 .btf_load_err = true,
2844 .err_str = "Invalid func linkage",
2845 },
2846
2847 {
2848 .descr = "func (Not referring to FUNC_PROTO)",
2849 .raw_types = {
2850 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2851 BTF_FUNC_ENC(NAME_TBD, 1), /* [2] */
2852 BTF_END_RAW,
2853 },
2854 .str_sec = "\0func",
2855 .str_sec_size = sizeof("\0func"),
2856 .map_type = BPF_MAP_TYPE_ARRAY,
2857 .map_name = "func_type_check_btf",
2858 .key_size = sizeof(int),
2859 .value_size = sizeof(int),
2860 .key_type_id = 1,
2861 .value_type_id = 1,
2862 .max_entries = 4,
2863 .btf_load_err = true,
2864 .err_str = "Invalid type_id",
2865 },
2866
2867 {
2868 .descr = "invalid int kind_flag",
2869 .raw_types = {
2870 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2871 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 1, 0), 4), /* [2] */
2872 BTF_INT_ENC(0, 0, 32),
2873 BTF_END_RAW,
2874 },
2875 BTF_STR_SEC(""),
2876 .map_type = BPF_MAP_TYPE_ARRAY,
2877 .map_name = "int_type_check_btf",
2878 .key_size = sizeof(int),
2879 .value_size = sizeof(int),
2880 .key_type_id = 1,
2881 .value_type_id = 1,
2882 .max_entries = 4,
2883 .btf_load_err = true,
2884 .err_str = "Invalid btf_info kind_flag",
2885 },
2886
2887 {
2888 .descr = "invalid ptr kind_flag",
2889 .raw_types = {
2890 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2891 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 1, 0), 1), /* [2] */
2892 BTF_END_RAW,
2893 },
2894 BTF_STR_SEC(""),
2895 .map_type = BPF_MAP_TYPE_ARRAY,
2896 .map_name = "ptr_type_check_btf",
2897 .key_size = sizeof(int),
2898 .value_size = sizeof(int),
2899 .key_type_id = 1,
2900 .value_type_id = 1,
2901 .max_entries = 4,
2902 .btf_load_err = true,
2903 .err_str = "Invalid btf_info kind_flag",
2904 },
2905
2906 {
2907 .descr = "invalid array kind_flag",
2908 .raw_types = {
2909 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2910 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 1, 0), 0), /* [2] */
2911 BTF_ARRAY_ENC(1, 1, 1),
2912 BTF_END_RAW,
2913 },
2914 BTF_STR_SEC(""),
2915 .map_type = BPF_MAP_TYPE_ARRAY,
2916 .map_name = "array_type_check_btf",
2917 .key_size = sizeof(int),
2918 .value_size = sizeof(int),
2919 .key_type_id = 1,
2920 .value_type_id = 1,
2921 .max_entries = 4,
2922 .btf_load_err = true,
2923 .err_str = "Invalid btf_info kind_flag",
2924 },
2925
2926 {
2927 .descr = "valid fwd kind_flag",
2928 .raw_types = {
2929 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2930 BTF_TYPE_ENC(NAME_TBD,
2931 BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [2] */
2932 BTF_END_RAW,
2933 },
2934 BTF_STR_SEC("\0A"),
2935 .map_type = BPF_MAP_TYPE_ARRAY,
2936 .map_name = "fwd_type_check_btf",
2937 .key_size = sizeof(int),
2938 .value_size = sizeof(int),
2939 .key_type_id = 1,
2940 .value_type_id = 1,
2941 .max_entries = 4,
2942 },
2943
2944 {
2945 .descr = "invalid typedef kind_flag",
2946 .raw_types = {
2947 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2948 BTF_TYPE_ENC(NAME_TBD,
2949 BTF_INFO_ENC(BTF_KIND_TYPEDEF, 1, 0), 1), /* [2] */
2950 BTF_END_RAW,
2951 },
2952 BTF_STR_SEC("\0A"),
2953 .map_type = BPF_MAP_TYPE_ARRAY,
2954 .map_name = "typedef_type_check_btf",
2955 .key_size = sizeof(int),
2956 .value_size = sizeof(int),
2957 .key_type_id = 1,
2958 .value_type_id = 1,
2959 .max_entries = 4,
2960 .btf_load_err = true,
2961 .err_str = "Invalid btf_info kind_flag",
2962 },
2963
2964 {
2965 .descr = "invalid volatile kind_flag",
2966 .raw_types = {
2967 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2968 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 1, 0), 1), /* [2] */
2969 BTF_END_RAW,
2970 },
2971 BTF_STR_SEC(""),
2972 .map_type = BPF_MAP_TYPE_ARRAY,
2973 .map_name = "volatile_type_check_btf",
2974 .key_size = sizeof(int),
2975 .value_size = sizeof(int),
2976 .key_type_id = 1,
2977 .value_type_id = 1,
2978 .max_entries = 4,
2979 .btf_load_err = true,
2980 .err_str = "Invalid btf_info kind_flag",
2981 },
2982
2983 {
2984 .descr = "invalid const kind_flag",
2985 .raw_types = {
2986 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
2987 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 1, 0), 1), /* [2] */
2988 BTF_END_RAW,
2989 },
2990 BTF_STR_SEC(""),
2991 .map_type = BPF_MAP_TYPE_ARRAY,
2992 .map_name = "const_type_check_btf",
2993 .key_size = sizeof(int),
2994 .value_size = sizeof(int),
2995 .key_type_id = 1,
2996 .value_type_id = 1,
2997 .max_entries = 4,
2998 .btf_load_err = true,
2999 .err_str = "Invalid btf_info kind_flag",
3000 },
3001
3002 {
3003 .descr = "invalid restrict kind_flag",
3004 .raw_types = {
3005 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3006 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 1, 0), 1), /* [2] */
3007 BTF_END_RAW,
3008 },
3009 BTF_STR_SEC(""),
3010 .map_type = BPF_MAP_TYPE_ARRAY,
3011 .map_name = "restrict_type_check_btf",
3012 .key_size = sizeof(int),
3013 .value_size = sizeof(int),
3014 .key_type_id = 1,
3015 .value_type_id = 1,
3016 .max_entries = 4,
3017 .btf_load_err = true,
3018 .err_str = "Invalid btf_info kind_flag",
3019 },
3020
3021 {
3022 .descr = "invalid func kind_flag",
3023 .raw_types = {
3024 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3025 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 0), 0), /* [2] */
3026 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 1, 0), 2), /* [3] */
3027 BTF_END_RAW,
3028 },
3029 BTF_STR_SEC("\0A"),
3030 .map_type = BPF_MAP_TYPE_ARRAY,
3031 .map_name = "func_type_check_btf",
3032 .key_size = sizeof(int),
3033 .value_size = sizeof(int),
3034 .key_type_id = 1,
3035 .value_type_id = 1,
3036 .max_entries = 4,
3037 .btf_load_err = true,
3038 .err_str = "Invalid btf_info kind_flag",
3039 },
3040
3041 {
3042 .descr = "invalid func_proto kind_flag",
3043 .raw_types = {
3044 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3045 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 1, 0), 0), /* [2] */
3046 BTF_END_RAW,
3047 },
3048 BTF_STR_SEC(""),
3049 .map_type = BPF_MAP_TYPE_ARRAY,
3050 .map_name = "func_proto_type_check_btf",
3051 .key_size = sizeof(int),
3052 .value_size = sizeof(int),
3053 .key_type_id = 1,
3054 .value_type_id = 1,
3055 .max_entries = 4,
3056 .btf_load_err = true,
3057 .err_str = "Invalid btf_info kind_flag",
3058 },
3059
3060 {
3061 .descr = "valid struct, kind_flag, bitfield_size = 0",
3062 .raw_types = {
3063 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3064 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 8), /* [2] */
3065 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 0)),
3066 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 32)),
3067 BTF_END_RAW,
3068 },
3069 BTF_STR_SEC("\0A\0B"),
3070 .map_type = BPF_MAP_TYPE_ARRAY,
3071 .map_name = "struct_type_check_btf",
3072 .key_size = sizeof(int),
3073 .value_size = sizeof(int),
3074 .key_type_id = 1,
3075 .value_type_id = 1,
3076 .max_entries = 4,
3077 },
3078
3079 {
3080 .descr = "valid struct, kind_flag, int member, bitfield_size != 0",
3081 .raw_types = {
3082 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3083 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [2] */
3084 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)),
3085 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 4)),
3086 BTF_END_RAW,
3087 },
3088 BTF_STR_SEC("\0A\0B"),
3089 .map_type = BPF_MAP_TYPE_ARRAY,
3090 .map_name = "struct_type_check_btf",
3091 .key_size = sizeof(int),
3092 .value_size = sizeof(int),
3093 .key_type_id = 1,
3094 .value_type_id = 1,
3095 .max_entries = 4,
3096 },
3097
3098 {
3099 .descr = "valid union, kind_flag, int member, bitfield_size != 0",
3100 .raw_types = {
3101 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3102 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [2] */
3103 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)),
3104 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)),
3105 BTF_END_RAW,
3106 },
3107 BTF_STR_SEC("\0A\0B"),
3108 .map_type = BPF_MAP_TYPE_ARRAY,
3109 .map_name = "union_type_check_btf",
3110 .key_size = sizeof(int),
3111 .value_size = sizeof(int),
3112 .key_type_id = 1,
3113 .value_type_id = 1,
3114 .max_entries = 4,
3115 },
3116
3117 {
3118 .descr = "valid struct, kind_flag, enum member, bitfield_size != 0",
3119 .raw_types = {
3120 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3121 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */
3122 BTF_ENUM_ENC(NAME_TBD, 0),
3123 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */
3124 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)),
3125 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 4)),
3126 BTF_END_RAW,
3127 },
3128 BTF_STR_SEC("\0A\0B\0C"),
3129 .map_type = BPF_MAP_TYPE_ARRAY,
3130 .map_name = "struct_type_check_btf",
3131 .key_size = sizeof(int),
3132 .value_size = sizeof(int),
3133 .key_type_id = 1,
3134 .value_type_id = 1,
3135 .max_entries = 4,
3136 },
3137
3138 {
3139 .descr = "valid union, kind_flag, enum member, bitfield_size != 0",
3140 .raw_types = {
3141 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3142 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */
3143 BTF_ENUM_ENC(NAME_TBD, 0),
3144 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [3] */
3145 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)),
3146 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)),
3147 BTF_END_RAW,
3148 },
3149 BTF_STR_SEC("\0A\0B\0C"),
3150 .map_type = BPF_MAP_TYPE_ARRAY,
3151 .map_name = "union_type_check_btf",
3152 .key_size = sizeof(int),
3153 .value_size = sizeof(int),
3154 .key_type_id = 1,
3155 .value_type_id = 1,
3156 .max_entries = 4,
3157 },
3158
3159 {
3160 .descr = "valid struct, kind_flag, typedef member, bitfield_size != 0",
3161 .raw_types = {
3162 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3163 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */
3164 BTF_ENUM_ENC(NAME_TBD, 0),
3165 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */
3166 BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)),
3167 BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 4)),
3168 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [4] */
3169 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [5] */
3170 BTF_END_RAW,
3171 },
3172 BTF_STR_SEC("\0A\0B\0C\0D\0E"),
3173 .map_type = BPF_MAP_TYPE_ARRAY,
3174 .map_name = "struct_type_check_btf",
3175 .key_size = sizeof(int),
3176 .value_size = sizeof(int),
3177 .key_type_id = 1,
3178 .value_type_id = 1,
3179 .max_entries = 4,
3180 },
3181
3182 {
3183 .descr = "valid union, kind_flag, typedef member, bitfield_size != 0",
3184 .raw_types = {
3185 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3186 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */
3187 BTF_ENUM_ENC(NAME_TBD, 0),
3188 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [3] */
3189 BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)),
3190 BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 0)),
3191 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [4] */
3192 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [5] */
3193 BTF_END_RAW,
3194 },
3195 BTF_STR_SEC("\0A\0B\0C\0D\0E"),
3196 .map_type = BPF_MAP_TYPE_ARRAY,
3197 .map_name = "union_type_check_btf",
3198 .key_size = sizeof(int),
3199 .value_size = sizeof(int),
3200 .key_type_id = 1,
3201 .value_type_id = 1,
3202 .max_entries = 4,
3203 },
3204
3205 {
3206 .descr = "invalid struct, kind_flag, bitfield_size greater than struct size",
3207 .raw_types = {
3208 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3209 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [2] */
3210 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)),
3211 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 20)),
3212 BTF_END_RAW,
3213 },
3214 BTF_STR_SEC("\0A\0B"),
3215 .map_type = BPF_MAP_TYPE_ARRAY,
3216 .map_name = "struct_type_check_btf",
3217 .key_size = sizeof(int),
3218 .value_size = sizeof(int),
3219 .key_type_id = 1,
3220 .value_type_id = 1,
3221 .max_entries = 4,
3222 .btf_load_err = true,
3223 .err_str = "Member exceeds struct_size",
3224 },
3225
3226 {
3227 .descr = "invalid struct, kind_flag, bitfield base_type int not regular",
3228 .raw_types = {
3229 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3230 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 20, 4), /* [2] */
3231 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [3] */
3232 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 0)),
3233 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 20)),
3234 BTF_END_RAW,
3235 },
3236 BTF_STR_SEC("\0A\0B"),
3237 .map_type = BPF_MAP_TYPE_ARRAY,
3238 .map_name = "struct_type_check_btf",
3239 .key_size = sizeof(int),
3240 .value_size = sizeof(int),
3241 .key_type_id = 1,
3242 .value_type_id = 1,
3243 .max_entries = 4,
3244 .btf_load_err = true,
3245 .err_str = "Invalid member base type",
3246 },
3247
3248 {
3249 .descr = "invalid struct, kind_flag, base_type int not regular",
3250 .raw_types = {
3251 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3252 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 12, 4), /* [2] */
3253 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [3] */
3254 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 0)),
3255 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 8)),
3256 BTF_END_RAW,
3257 },
3258 BTF_STR_SEC("\0A\0B"),
3259 .map_type = BPF_MAP_TYPE_ARRAY,
3260 .map_name = "struct_type_check_btf",
3261 .key_size = sizeof(int),
3262 .value_size = sizeof(int),
3263 .key_type_id = 1,
3264 .value_type_id = 1,
3265 .max_entries = 4,
3266 .btf_load_err = true,
3267 .err_str = "Invalid member base type",
3268 },
3269
3270 {
3271 .descr = "invalid union, kind_flag, bitfield_size greater than struct size",
3272 .raw_types = {
3273 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3274 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 2), /* [2] */
3275 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(8, 0)),
3276 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)),
3277 BTF_END_RAW,
3278 },
3279 BTF_STR_SEC("\0A\0B"),
3280 .map_type = BPF_MAP_TYPE_ARRAY,
3281 .map_name = "union_type_check_btf",
3282 .key_size = sizeof(int),
3283 .value_size = sizeof(int),
3284 .key_type_id = 1,
3285 .value_type_id = 1,
3286 .max_entries = 4,
3287 .btf_load_err = true,
3288 .err_str = "Member exceeds struct_size",
3289 },
3290
3291 {
3292 .descr = "invalid struct, kind_flag, int member, bitfield_size = 0, wrong byte alignment",
3293 .raw_types = {
3294 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3295 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
3296 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12), /* [3] */
3297 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)),
3298 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)),
3299 BTF_END_RAW,
3300 },
3301 BTF_STR_SEC("\0A\0B"),
3302 .map_type = BPF_MAP_TYPE_ARRAY,
3303 .map_name = "struct_type_check_btf",
3304 .key_size = sizeof(int),
3305 .value_size = sizeof(int),
3306 .key_type_id = 1,
3307 .value_type_id = 1,
3308 .max_entries = 4,
3309 .btf_load_err = true,
3310 .err_str = "Invalid member offset",
3311 },
3312
3313 {
3314 .descr = "invalid struct, kind_flag, enum member, bitfield_size = 0, wrong byte alignment",
3315 .raw_types = {
3316 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3317 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
3318 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */
3319 BTF_ENUM_ENC(NAME_TBD, 0),
3320 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12), /* [3] */
3321 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)),
3322 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)),
3323 BTF_END_RAW,
3324 },
3325 BTF_STR_SEC("\0A\0B\0C"),
3326 .map_type = BPF_MAP_TYPE_ARRAY,
3327 .map_name = "struct_type_check_btf",
3328 .key_size = sizeof(int),
3329 .value_size = sizeof(int),
3330 .key_type_id = 1,
3331 .value_type_id = 1,
3332 .max_entries = 4,
3333 .btf_load_err = true,
3334 .err_str = "Invalid member offset",
3335 },
3336
3337 {
3338 .descr = "128-bit int",
3339 .raw_types = {
3340 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3341 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
3342 BTF_END_RAW,
3343 },
3344 BTF_STR_SEC("\0A"),
3345 .map_type = BPF_MAP_TYPE_ARRAY,
3346 .map_name = "int_type_check_btf",
3347 .key_size = sizeof(int),
3348 .value_size = sizeof(int),
3349 .key_type_id = 1,
3350 .value_type_id = 1,
3351 .max_entries = 4,
3352 },
3353
3354 {
3355 .descr = "struct, 128-bit int member",
3356 .raw_types = {
3357 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3358 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
3359 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */
3360 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
3361 BTF_END_RAW,
3362 },
3363 BTF_STR_SEC("\0A"),
3364 .map_type = BPF_MAP_TYPE_ARRAY,
3365 .map_name = "struct_type_check_btf",
3366 .key_size = sizeof(int),
3367 .value_size = sizeof(int),
3368 .key_type_id = 1,
3369 .value_type_id = 1,
3370 .max_entries = 4,
3371 },
3372
3373 {
3374 .descr = "struct, 120-bit int member bitfield",
3375 .raw_types = {
3376 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3377 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 120, 16), /* [2] */
3378 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */
3379 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
3380 BTF_END_RAW,
3381 },
3382 BTF_STR_SEC("\0A"),
3383 .map_type = BPF_MAP_TYPE_ARRAY,
3384 .map_name = "struct_type_check_btf",
3385 .key_size = sizeof(int),
3386 .value_size = sizeof(int),
3387 .key_type_id = 1,
3388 .value_type_id = 1,
3389 .max_entries = 4,
3390 },
3391
3392 {
3393 .descr = "struct, kind_flag, 128-bit int member",
3394 .raw_types = {
3395 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3396 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
3397 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */
3398 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)),
3399 BTF_END_RAW,
3400 },
3401 BTF_STR_SEC("\0A"),
3402 .map_type = BPF_MAP_TYPE_ARRAY,
3403 .map_name = "struct_type_check_btf",
3404 .key_size = sizeof(int),
3405 .value_size = sizeof(int),
3406 .key_type_id = 1,
3407 .value_type_id = 1,
3408 .max_entries = 4,
3409 },
3410
3411 {
3412 .descr = "struct, kind_flag, 120-bit int member bitfield",
3413 .raw_types = {
3414 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3415 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */
3416 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */
3417 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(120, 0)),
3418 BTF_END_RAW,
3419 },
3420 BTF_STR_SEC("\0A"),
3421 .map_type = BPF_MAP_TYPE_ARRAY,
3422 .map_name = "struct_type_check_btf",
3423 .key_size = sizeof(int),
3424 .value_size = sizeof(int),
3425 .key_type_id = 1,
3426 .value_type_id = 1,
3427 .max_entries = 4,
3428 },
3429 /*
3430 * typedef int arr_t[16];
3431 * struct s {
3432 * arr_t *a;
3433 * };
3434 */
3435 {
3436 .descr = "struct->ptr->typedef->array->int size resolution",
3437 .raw_types = {
3438 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */
3439 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
3440 BTF_PTR_ENC(3), /* [2] */
3441 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */
3442 BTF_TYPE_ARRAY_ENC(5, 5, 16), /* [4] */
3443 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [5] */
3444 BTF_END_RAW,
3445 },
3446 BTF_STR_SEC("\0s\0a\0arr_t"),
3447 .map_type = BPF_MAP_TYPE_ARRAY,
3448 .map_name = "ptr_mod_chain_size_resolve_map",
3449 .key_size = sizeof(int),
3450 .value_size = sizeof(int) * 16,
3451 .key_type_id = 5 /* int */,
3452 .value_type_id = 3 /* arr_t */,
3453 .max_entries = 4,
3454 },
3455 /*
3456 * typedef int arr_t[16][8][4];
3457 * struct s {
3458 * arr_t *a;
3459 * };
3460 */
3461 {
3462 .descr = "struct->ptr->typedef->multi-array->int size resolution",
3463 .raw_types = {
3464 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */
3465 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
3466 BTF_PTR_ENC(3), /* [2] */
3467 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */
3468 BTF_TYPE_ARRAY_ENC(5, 7, 16), /* [4] */
3469 BTF_TYPE_ARRAY_ENC(6, 7, 8), /* [5] */
3470 BTF_TYPE_ARRAY_ENC(7, 7, 4), /* [6] */
3471 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [7] */
3472 BTF_END_RAW,
3473 },
3474 BTF_STR_SEC("\0s\0a\0arr_t"),
3475 .map_type = BPF_MAP_TYPE_ARRAY,
3476 .map_name = "multi_arr_size_resolve_map",
3477 .key_size = sizeof(int),
3478 .value_size = sizeof(int) * 16 * 8 * 4,
3479 .key_type_id = 7 /* int */,
3480 .value_type_id = 3 /* arr_t */,
3481 .max_entries = 4,
3482 },
3483 /*
3484 * typedef int int_t;
3485 * typedef int_t arr3_t[4];
3486 * typedef arr3_t arr2_t[8];
3487 * typedef arr2_t arr1_t[16];
3488 * struct s {
3489 * arr1_t *a;
3490 * };
3491 */
3492 {
3493 .descr = "typedef/multi-arr mix size resolution",
3494 .raw_types = {
3495 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */
3496 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
3497 BTF_PTR_ENC(3), /* [2] */
3498 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */
3499 BTF_TYPE_ARRAY_ENC(5, 10, 16), /* [4] */
3500 BTF_TYPEDEF_ENC(NAME_TBD, 6), /* [5] */
3501 BTF_TYPE_ARRAY_ENC(7, 10, 8), /* [6] */
3502 BTF_TYPEDEF_ENC(NAME_TBD, 8), /* [7] */
3503 BTF_TYPE_ARRAY_ENC(9, 10, 4), /* [8] */
3504 BTF_TYPEDEF_ENC(NAME_TBD, 10), /* [9] */
3505 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [10] */
3506 BTF_END_RAW,
3507 },
3508 BTF_STR_SEC("\0s\0a\0arr1_t\0arr2_t\0arr3_t\0int_t"),
3509 .map_type = BPF_MAP_TYPE_ARRAY,
3510 .map_name = "typedef_arra_mix_size_resolve_map",
3511 .key_size = sizeof(int),
3512 .value_size = sizeof(int) * 16 * 8 * 4,
3513 .key_type_id = 10 /* int */,
3514 .value_type_id = 3 /* arr_t */,
3515 .max_entries = 4,
3516 },
3517 /*
3518 * elf .rodata section size 4 and btf .rodata section vlen 0.
3519 */
3520 {
3521 .descr = "datasec: vlen == 0",
3522 .raw_types = {
3523 /* int */
3524 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3525 /* .rodata section */
3526 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 0), 4),
3527 /* [2] */
3528 BTF_END_RAW,
3529 },
3530 BTF_STR_SEC("\0.rodata"),
3531 .map_type = BPF_MAP_TYPE_ARRAY,
3532 .key_size = sizeof(int),
3533 .value_size = sizeof(int),
3534 .key_type_id = 1,
3535 .value_type_id = 1,
3536 .max_entries = 1,
3537 },
3538
3539 {
3540 .descr = "float test #1, well-formed",
3541 .raw_types = {
3542 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3543 /* [1] */
3544 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [2] */
3545 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [3] */
3546 BTF_TYPE_FLOAT_ENC(NAME_TBD, 8), /* [4] */
3547 BTF_TYPE_FLOAT_ENC(NAME_TBD, 12), /* [5] */
3548 BTF_TYPE_FLOAT_ENC(NAME_TBD, 16), /* [6] */
3549 BTF_STRUCT_ENC(NAME_TBD, 5, 48), /* [7] */
3550 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
3551 BTF_MEMBER_ENC(NAME_TBD, 3, 32),
3552 BTF_MEMBER_ENC(NAME_TBD, 4, 64),
3553 BTF_MEMBER_ENC(NAME_TBD, 5, 128),
3554 BTF_MEMBER_ENC(NAME_TBD, 6, 256),
3555 BTF_END_RAW,
3556 },
3557 BTF_STR_SEC("\0int\0_Float16\0float\0double\0_Float80\0long_double"
3558 "\0floats\0a\0b\0c\0d\0e"),
3559 .map_type = BPF_MAP_TYPE_ARRAY,
3560 .map_name = "float_type_check_btf",
3561 .key_size = sizeof(int),
3562 .value_size = 48,
3563 .key_type_id = 1,
3564 .value_type_id = 7,
3565 .max_entries = 1,
3566 },
3567 {
3568 .descr = "float test #2, invalid vlen",
3569 .raw_types = {
3570 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3571 /* [1] */
3572 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 0, 1), 4),
3573 /* [2] */
3574 BTF_END_RAW,
3575 },
3576 BTF_STR_SEC("\0int\0float"),
3577 .map_type = BPF_MAP_TYPE_ARRAY,
3578 .map_name = "float_type_check_btf",
3579 .key_size = sizeof(int),
3580 .value_size = 4,
3581 .key_type_id = 1,
3582 .value_type_id = 2,
3583 .max_entries = 1,
3584 .btf_load_err = true,
3585 .err_str = "vlen != 0",
3586 },
3587 {
3588 .descr = "float test #3, invalid kind_flag",
3589 .raw_types = {
3590 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3591 /* [1] */
3592 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 1, 0), 4),
3593 /* [2] */
3594 BTF_END_RAW,
3595 },
3596 BTF_STR_SEC("\0int\0float"),
3597 .map_type = BPF_MAP_TYPE_ARRAY,
3598 .map_name = "float_type_check_btf",
3599 .key_size = sizeof(int),
3600 .value_size = 4,
3601 .key_type_id = 1,
3602 .value_type_id = 2,
3603 .max_entries = 1,
3604 .btf_load_err = true,
3605 .err_str = "Invalid btf_info kind_flag",
3606 },
3607 {
3608 .descr = "float test #4, member does not fit",
3609 .raw_types = {
3610 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3611 /* [1] */
3612 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */
3613 BTF_STRUCT_ENC(NAME_TBD, 1, 2), /* [3] */
3614 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
3615 BTF_END_RAW,
3616 },
3617 BTF_STR_SEC("\0int\0float\0floats\0x"),
3618 .map_type = BPF_MAP_TYPE_ARRAY,
3619 .map_name = "float_type_check_btf",
3620 .key_size = sizeof(int),
3621 .value_size = 4,
3622 .key_type_id = 1,
3623 .value_type_id = 3,
3624 .max_entries = 1,
3625 .btf_load_err = true,
3626 .err_str = "Member exceeds struct_size",
3627 },
3628 {
3629 .descr = "float test #5, member is not properly aligned",
3630 .raw_types = {
3631 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3632 /* [1] */
3633 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */
3634 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] */
3635 BTF_MEMBER_ENC(NAME_TBD, 2, 8),
3636 BTF_END_RAW,
3637 },
3638 BTF_STR_SEC("\0int\0float\0floats\0x"),
3639 .map_type = BPF_MAP_TYPE_ARRAY,
3640 .map_name = "float_type_check_btf",
3641 .key_size = sizeof(int),
3642 .value_size = 4,
3643 .key_type_id = 1,
3644 .value_type_id = 3,
3645 .max_entries = 1,
3646 .btf_load_err = true,
3647 .err_str = "Member is not properly aligned",
3648 },
3649 {
3650 .descr = "float test #6, invalid size",
3651 .raw_types = {
3652 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3653 /* [1] */
3654 BTF_TYPE_FLOAT_ENC(NAME_TBD, 6), /* [2] */
3655 BTF_END_RAW,
3656 },
3657 BTF_STR_SEC("\0int\0float"),
3658 .map_type = BPF_MAP_TYPE_ARRAY,
3659 .map_name = "float_type_check_btf",
3660 .key_size = sizeof(int),
3661 .value_size = 6,
3662 .key_type_id = 1,
3663 .value_type_id = 2,
3664 .max_entries = 1,
3665 .btf_load_err = true,
3666 .err_str = "Invalid type_size",
3667 },
3668
3669 {
3670 .descr = "decl_tag test #1, struct/member, well-formed",
3671 .raw_types = {
3672 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3673 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
3674 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3675 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
3676 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3677 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3678 BTF_DECL_TAG_ENC(NAME_TBD, 2, 1),
3679 BTF_END_RAW,
3680 },
3681 BTF_STR_SEC("\0m1\0m2\0tag1\0tag2\0tag3"),
3682 .map_type = BPF_MAP_TYPE_ARRAY,
3683 .map_name = "tag_type_check_btf",
3684 .key_size = sizeof(int),
3685 .value_size = 8,
3686 .key_type_id = 1,
3687 .value_type_id = 2,
3688 .max_entries = 1,
3689 },
3690 {
3691 .descr = "decl_tag test #2, union/member, well-formed",
3692 .raw_types = {
3693 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3694 BTF_UNION_ENC(NAME_TBD, 2, 4), /* [2] */
3695 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3696 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3697 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3698 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3699 BTF_DECL_TAG_ENC(NAME_TBD, 2, 1),
3700 BTF_END_RAW,
3701 },
3702 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
3703 .map_type = BPF_MAP_TYPE_ARRAY,
3704 .map_name = "tag_type_check_btf",
3705 .key_size = sizeof(int),
3706 .value_size = 4,
3707 .key_type_id = 1,
3708 .value_type_id = 2,
3709 .max_entries = 1,
3710 },
3711 {
3712 .descr = "decl_tag test #3, variable, well-formed",
3713 .raw_types = {
3714 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3715 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3716 BTF_VAR_ENC(NAME_TBD, 1, 1), /* [3] */
3717 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3718 BTF_DECL_TAG_ENC(NAME_TBD, 3, -1),
3719 BTF_END_RAW,
3720 },
3721 BTF_STR_SEC("\0local\0global\0tag1\0tag2"),
3722 .map_type = BPF_MAP_TYPE_ARRAY,
3723 .map_name = "tag_type_check_btf",
3724 .key_size = sizeof(int),
3725 .value_size = 4,
3726 .key_type_id = 1,
3727 .value_type_id = 1,
3728 .max_entries = 1,
3729 },
3730 {
3731 .descr = "decl_tag test #4, func/parameter, well-formed",
3732 .raw_types = {
3733 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3734 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
3735 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3736 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3737 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
3738 BTF_DECL_TAG_ENC(NAME_TBD, 3, -1),
3739 BTF_DECL_TAG_ENC(NAME_TBD, 3, 0),
3740 BTF_DECL_TAG_ENC(NAME_TBD, 3, 1),
3741 BTF_END_RAW,
3742 },
3743 BTF_STR_SEC("\0arg1\0arg2\0f\0tag1\0tag2\0tag3"),
3744 .map_type = BPF_MAP_TYPE_ARRAY,
3745 .map_name = "tag_type_check_btf",
3746 .key_size = sizeof(int),
3747 .value_size = 4,
3748 .key_type_id = 1,
3749 .value_type_id = 1,
3750 .max_entries = 1,
3751 },
3752 {
3753 .descr = "decl_tag test #5, invalid value",
3754 .raw_types = {
3755 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3756 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3757 BTF_DECL_TAG_ENC(0, 2, -1),
3758 BTF_END_RAW,
3759 },
3760 BTF_STR_SEC("\0local\0tag"),
3761 .map_type = BPF_MAP_TYPE_ARRAY,
3762 .map_name = "tag_type_check_btf",
3763 .key_size = sizeof(int),
3764 .value_size = 4,
3765 .key_type_id = 1,
3766 .value_type_id = 1,
3767 .max_entries = 1,
3768 .btf_load_err = true,
3769 .err_str = "Invalid value",
3770 },
3771 {
3772 .descr = "decl_tag test #6, invalid target type",
3773 .raw_types = {
3774 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3775 BTF_DECL_TAG_ENC(NAME_TBD, 1, -1),
3776 BTF_END_RAW,
3777 },
3778 BTF_STR_SEC("\0tag1"),
3779 .map_type = BPF_MAP_TYPE_ARRAY,
3780 .map_name = "tag_type_check_btf",
3781 .key_size = sizeof(int),
3782 .value_size = 4,
3783 .key_type_id = 1,
3784 .value_type_id = 1,
3785 .max_entries = 1,
3786 .btf_load_err = true,
3787 .err_str = "Invalid type",
3788 },
3789 {
3790 .descr = "decl_tag test #7, invalid vlen",
3791 .raw_types = {
3792 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3793 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3794 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 1), 2), (0),
3795 BTF_END_RAW,
3796 },
3797 BTF_STR_SEC("\0local\0tag1"),
3798 .map_type = BPF_MAP_TYPE_ARRAY,
3799 .map_name = "tag_type_check_btf",
3800 .key_size = sizeof(int),
3801 .value_size = 4,
3802 .key_type_id = 1,
3803 .value_type_id = 1,
3804 .max_entries = 1,
3805 .btf_load_err = true,
3806 .err_str = "vlen != 0",
3807 },
3808 {
3809 .descr = "decl_tag test #8, invalid kflag",
3810 .raw_types = {
3811 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3812 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3813 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 1, 0), 2), (-1),
3814 BTF_END_RAW,
3815 },
3816 BTF_STR_SEC("\0local\0tag1"),
3817 .map_type = BPF_MAP_TYPE_ARRAY,
3818 .map_name = "tag_type_check_btf",
3819 .key_size = sizeof(int),
3820 .value_size = 4,
3821 .key_type_id = 1,
3822 .value_type_id = 1,
3823 .max_entries = 1,
3824 .btf_load_err = true,
3825 .err_str = "Invalid btf_info kind_flag",
3826 },
3827 {
3828 .descr = "decl_tag test #9, var, invalid component_idx",
3829 .raw_types = {
3830 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3831 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3832 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3833 BTF_END_RAW,
3834 },
3835 BTF_STR_SEC("\0local\0tag"),
3836 .map_type = BPF_MAP_TYPE_ARRAY,
3837 .map_name = "tag_type_check_btf",
3838 .key_size = sizeof(int),
3839 .value_size = 4,
3840 .key_type_id = 1,
3841 .value_type_id = 1,
3842 .max_entries = 1,
3843 .btf_load_err = true,
3844 .err_str = "Invalid component_idx",
3845 },
3846 {
3847 .descr = "decl_tag test #10, struct member, invalid component_idx",
3848 .raw_types = {
3849 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3850 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
3851 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3852 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
3853 BTF_DECL_TAG_ENC(NAME_TBD, 2, 2),
3854 BTF_END_RAW,
3855 },
3856 BTF_STR_SEC("\0m1\0m2\0tag"),
3857 .map_type = BPF_MAP_TYPE_ARRAY,
3858 .map_name = "tag_type_check_btf",
3859 .key_size = sizeof(int),
3860 .value_size = 8,
3861 .key_type_id = 1,
3862 .value_type_id = 2,
3863 .max_entries = 1,
3864 .btf_load_err = true,
3865 .err_str = "Invalid component_idx",
3866 },
3867 {
3868 .descr = "decl_tag test #11, func parameter, invalid component_idx",
3869 .raw_types = {
3870 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3871 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
3872 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3873 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3874 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
3875 BTF_DECL_TAG_ENC(NAME_TBD, 3, 2),
3876 BTF_END_RAW,
3877 },
3878 BTF_STR_SEC("\0arg1\0arg2\0f\0tag"),
3879 .map_type = BPF_MAP_TYPE_ARRAY,
3880 .map_name = "tag_type_check_btf",
3881 .key_size = sizeof(int),
3882 .value_size = 4,
3883 .key_type_id = 1,
3884 .value_type_id = 1,
3885 .max_entries = 1,
3886 .btf_load_err = true,
3887 .err_str = "Invalid component_idx",
3888 },
3889 {
3890 .descr = "decl_tag test #12, < -1 component_idx",
3891 .raw_types = {
3892 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3893 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
3894 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3895 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3896 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
3897 BTF_DECL_TAG_ENC(NAME_TBD, 3, -2),
3898 BTF_END_RAW,
3899 },
3900 BTF_STR_SEC("\0arg1\0arg2\0f\0tag"),
3901 .map_type = BPF_MAP_TYPE_ARRAY,
3902 .map_name = "tag_type_check_btf",
3903 .key_size = sizeof(int),
3904 .value_size = 4,
3905 .key_type_id = 1,
3906 .value_type_id = 1,
3907 .max_entries = 1,
3908 .btf_load_err = true,
3909 .err_str = "Invalid component_idx",
3910 },
3911 {
3912 .descr = "decl_tag test #13, typedef, well-formed",
3913 .raw_types = {
3914 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3915 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */
3916 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3917 BTF_END_RAW,
3918 },
3919 BTF_STR_SEC("\0t\0tag"),
3920 .map_type = BPF_MAP_TYPE_ARRAY,
3921 .map_name = "tag_type_check_btf",
3922 .key_size = sizeof(int),
3923 .value_size = 4,
3924 .key_type_id = 1,
3925 .value_type_id = 1,
3926 .max_entries = 1,
3927 },
3928 {
3929 .descr = "decl_tag test #14, typedef, invalid component_idx",
3930 .raw_types = {
3931 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3932 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */
3933 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3934 BTF_END_RAW,
3935 },
3936 BTF_STR_SEC("\0local\0tag"),
3937 .map_type = BPF_MAP_TYPE_ARRAY,
3938 .map_name = "tag_type_check_btf",
3939 .key_size = sizeof(int),
3940 .value_size = 4,
3941 .key_type_id = 1,
3942 .value_type_id = 1,
3943 .max_entries = 1,
3944 .btf_load_err = true,
3945 .err_str = "Invalid component_idx",
3946 },
3947 {
3948 .descr = "decl_tag test #15, func, invalid func proto",
3949 .raw_types = {
3950 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3951 BTF_DECL_TAG_ENC(NAME_TBD, 3, 0), /* [2] */
3952 BTF_FUNC_ENC(NAME_TBD, 8), /* [3] */
3953 BTF_END_RAW,
3954 },
3955 BTF_STR_SEC("\0tag\0func"),
3956 .map_type = BPF_MAP_TYPE_ARRAY,
3957 .map_name = "tag_type_check_btf",
3958 .key_size = sizeof(int),
3959 .value_size = 4,
3960 .key_type_id = 1,
3961 .value_type_id = 1,
3962 .max_entries = 1,
3963 .btf_load_err = true,
3964 .err_str = "Invalid type_id",
3965 },
3966 {
3967 .descr = "decl_tag test #16, func proto, return type",
3968 .raw_types = {
3969 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3970 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3971 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 2), (-1), /* [3] */
3972 BTF_FUNC_PROTO_ENC(3, 0), /* [4] */
3973 BTF_END_RAW,
3974 },
3975 BTF_STR_SEC("\0local\0tag1"),
3976 .btf_load_err = true,
3977 .err_str = "Invalid return type",
3978 },
3979 {
3980 .descr = "decl_tag test #17, func proto, argument",
3981 .raw_types = {
3982 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 4), (-1), /* [1] */
3983 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), /* [2] */
3984 BTF_FUNC_PROTO_ENC(0, 1), /* [3] */
3985 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3986 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [4] */
3987 BTF_END_RAW,
3988 },
3989 BTF_STR_SEC("\0local\0tag1\0var"),
3990 .btf_load_err = true,
3991 .err_str = "Invalid arg#1",
3992 },
3993 {
3994 .descr = "decl_tag test #18, decl_tag as the map key type",
3995 .raw_types = {
3996 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3997 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
3998 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3999 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
4000 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */
4001 BTF_END_RAW,
4002 },
4003 BTF_STR_SEC("\0m1\0m2\0tag"),
4004 .map_type = BPF_MAP_TYPE_HASH,
4005 .map_name = "tag_type_check_btf",
4006 .key_size = 8,
4007 .value_size = 4,
4008 .key_type_id = 3,
4009 .value_type_id = 1,
4010 .max_entries = 1,
4011 .map_create_err = true,
4012 },
4013 {
4014 .descr = "decl_tag test #19, decl_tag as the map value type",
4015 .raw_types = {
4016 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4017 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
4018 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
4019 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
4020 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */
4021 BTF_END_RAW,
4022 },
4023 BTF_STR_SEC("\0m1\0m2\0tag"),
4024 .map_type = BPF_MAP_TYPE_HASH,
4025 .map_name = "tag_type_check_btf",
4026 .key_size = 4,
4027 .value_size = 8,
4028 .key_type_id = 1,
4029 .value_type_id = 3,
4030 .max_entries = 1,
4031 .map_create_err = true,
4032 },
4033 {
4034 .descr = "type_tag test #1",
4035 .raw_types = {
4036 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4037 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [2] */
4038 BTF_PTR_ENC(2), /* [3] */
4039 BTF_END_RAW,
4040 },
4041 BTF_STR_SEC("\0tag"),
4042 .map_type = BPF_MAP_TYPE_ARRAY,
4043 .map_name = "tag_type_check_btf",
4044 .key_size = sizeof(int),
4045 .value_size = 4,
4046 .key_type_id = 1,
4047 .value_type_id = 1,
4048 .max_entries = 1,
4049 },
4050 {
4051 .descr = "type_tag test #2, type tag order",
4052 .raw_types = {
4053 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4054 BTF_CONST_ENC(3), /* [2] */
4055 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [3] */
4056 BTF_END_RAW,
4057 },
4058 BTF_STR_SEC("\0tag"),
4059 .map_type = BPF_MAP_TYPE_ARRAY,
4060 .map_name = "tag_type_check_btf",
4061 .key_size = sizeof(int),
4062 .value_size = 4,
4063 .key_type_id = 1,
4064 .value_type_id = 1,
4065 .max_entries = 1,
4066 .btf_load_err = true,
4067 .err_str = "Type tags don't precede modifiers",
4068 },
4069 {
4070 .descr = "type_tag test #3, type tag order",
4071 .raw_types = {
4072 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4073 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */
4074 BTF_CONST_ENC(4), /* [3] */
4075 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */
4076 BTF_END_RAW,
4077 },
4078 BTF_STR_SEC("\0tag\0tag"),
4079 .map_type = BPF_MAP_TYPE_ARRAY,
4080 .map_name = "tag_type_check_btf",
4081 .key_size = sizeof(int),
4082 .value_size = 4,
4083 .key_type_id = 1,
4084 .value_type_id = 1,
4085 .max_entries = 1,
4086 .btf_load_err = true,
4087 .err_str = "Type tags don't precede modifiers",
4088 },
4089 {
4090 .descr = "type_tag test #4, type tag order",
4091 .raw_types = {
4092 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4093 BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [2] */
4094 BTF_CONST_ENC(4), /* [3] */
4095 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */
4096 BTF_END_RAW,
4097 },
4098 BTF_STR_SEC("\0tag\0tag"),
4099 .map_type = BPF_MAP_TYPE_ARRAY,
4100 .map_name = "tag_type_check_btf",
4101 .key_size = sizeof(int),
4102 .value_size = 4,
4103 .key_type_id = 1,
4104 .value_type_id = 1,
4105 .max_entries = 1,
4106 .btf_load_err = true,
4107 .err_str = "Type tags don't precede modifiers",
4108 },
4109 {
4110 .descr = "type_tag test #5, type tag order",
4111 .raw_types = {
4112 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4113 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */
4114 BTF_CONST_ENC(1), /* [3] */
4115 BTF_TYPE_TAG_ENC(NAME_TBD, 2), /* [4] */
4116 BTF_END_RAW,
4117 },
4118 BTF_STR_SEC("\0tag\0tag"),
4119 .map_type = BPF_MAP_TYPE_ARRAY,
4120 .map_name = "tag_type_check_btf",
4121 .key_size = sizeof(int),
4122 .value_size = 4,
4123 .key_type_id = 1,
4124 .value_type_id = 1,
4125 .max_entries = 1,
4126 },
4127 {
4128 .descr = "type_tag test #6, type tag order",
4129 .raw_types = {
4130 BTF_PTR_ENC(2), /* [1] */
4131 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */
4132 BTF_CONST_ENC(4), /* [3] */
4133 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */
4134 BTF_PTR_ENC(6), /* [5] */
4135 BTF_CONST_ENC(2), /* [6] */
4136 BTF_END_RAW,
4137 },
4138 BTF_STR_SEC("\0tag"),
4139 .map_type = BPF_MAP_TYPE_ARRAY,
4140 .map_name = "tag_type_check_btf",
4141 .key_size = sizeof(int),
4142 .value_size = 4,
4143 .key_type_id = 1,
4144 .value_type_id = 1,
4145 .max_entries = 1,
4146 .btf_load_err = true,
4147 .err_str = "Type tags don't precede modifiers",
4148 },
4149 {
4150 .descr = "enum64 test #1, unsigned, size 8",
4151 .raw_types = {
4152 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4153 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [2] */
4154 BTF_ENUM64_ENC(NAME_TBD, 0, 0),
4155 BTF_ENUM64_ENC(NAME_TBD, 1, 1),
4156 BTF_END_RAW,
4157 },
4158 BTF_STR_SEC("\0a\0b\0c"),
4159 .map_type = BPF_MAP_TYPE_ARRAY,
4160 .map_name = "tag_type_check_btf",
4161 .key_size = sizeof(int),
4162 .value_size = 8,
4163 .key_type_id = 1,
4164 .value_type_id = 2,
4165 .max_entries = 1,
4166 },
4167 {
4168 .descr = "enum64 test #2, signed, size 4",
4169 .raw_types = {
4170 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4171 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 1, 2), 4), /* [2] */
4172 BTF_ENUM64_ENC(NAME_TBD, -1, 0),
4173 BTF_ENUM64_ENC(NAME_TBD, 1, 0),
4174 BTF_END_RAW,
4175 },
4176 BTF_STR_SEC("\0a\0b\0c"),
4177 .map_type = BPF_MAP_TYPE_ARRAY,
4178 .map_name = "tag_type_check_btf",
4179 .key_size = sizeof(int),
4180 .value_size = 4,
4181 .key_type_id = 1,
4182 .value_type_id = 2,
4183 .max_entries = 1,
4184 },
4185
4186 }; /* struct btf_raw_test raw_tests[] */
4187
get_next_str(const char * start,const char * end)4188 static const char *get_next_str(const char *start, const char *end)
4189 {
4190 return start < end - 1 ? start + 1 : NULL;
4191 }
4192
get_raw_sec_size(const __u32 * raw_types)4193 static int get_raw_sec_size(const __u32 *raw_types)
4194 {
4195 int i;
4196
4197 for (i = MAX_NR_RAW_U32 - 1;
4198 i >= 0 && raw_types[i] != BTF_END_RAW;
4199 i--)
4200 ;
4201
4202 return i < 0 ? i : i * sizeof(raw_types[0]);
4203 }
4204
btf_raw_create(const struct btf_header * hdr,const __u32 * raw_types,const char * str,unsigned int str_sec_size,unsigned int * btf_size,const char ** ret_next_str)4205 static void *btf_raw_create(const struct btf_header *hdr,
4206 const __u32 *raw_types,
4207 const char *str,
4208 unsigned int str_sec_size,
4209 unsigned int *btf_size,
4210 const char **ret_next_str)
4211 {
4212 const char *next_str = str, *end_str = str + str_sec_size;
4213 const char **strs_idx = NULL, **tmp_strs_idx;
4214 int strs_cap = 0, strs_cnt = 0, next_str_idx = 0;
4215 unsigned int size_needed, offset;
4216 struct btf_header *ret_hdr;
4217 int i, type_sec_size, err = 0;
4218 uint32_t *ret_types;
4219 void *raw_btf = NULL;
4220
4221 type_sec_size = get_raw_sec_size(raw_types);
4222 if (CHECK(type_sec_size < 0, "Cannot get nr_raw_types"))
4223 return NULL;
4224
4225 size_needed = sizeof(*hdr) + type_sec_size + str_sec_size;
4226 raw_btf = malloc(size_needed);
4227 if (CHECK(!raw_btf, "Cannot allocate memory for raw_btf"))
4228 return NULL;
4229
4230 /* Copy header */
4231 memcpy(raw_btf, hdr, sizeof(*hdr));
4232 offset = sizeof(*hdr);
4233
4234 /* Index strings */
4235 while ((next_str = get_next_str(next_str, end_str))) {
4236 if (strs_cnt == strs_cap) {
4237 strs_cap += max(16, strs_cap / 2);
4238 tmp_strs_idx = realloc(strs_idx,
4239 sizeof(*strs_idx) * strs_cap);
4240 if (CHECK(!tmp_strs_idx,
4241 "Cannot allocate memory for strs_idx")) {
4242 err = -1;
4243 goto done;
4244 }
4245 strs_idx = tmp_strs_idx;
4246 }
4247 strs_idx[strs_cnt++] = next_str;
4248 next_str += strlen(next_str);
4249 }
4250
4251 /* Copy type section */
4252 ret_types = raw_btf + offset;
4253 for (i = 0; i < type_sec_size / sizeof(raw_types[0]); i++) {
4254 if (raw_types[i] == NAME_TBD) {
4255 if (CHECK(next_str_idx == strs_cnt,
4256 "Error in getting next_str #%d",
4257 next_str_idx)) {
4258 err = -1;
4259 goto done;
4260 }
4261 ret_types[i] = strs_idx[next_str_idx++] - str;
4262 } else if (IS_NAME_NTH(raw_types[i])) {
4263 int idx = GET_NAME_NTH_IDX(raw_types[i]);
4264
4265 if (CHECK(idx <= 0 || idx > strs_cnt,
4266 "Error getting string #%d, strs_cnt:%d",
4267 idx, strs_cnt)) {
4268 err = -1;
4269 goto done;
4270 }
4271 ret_types[i] = strs_idx[idx-1] - str;
4272 } else {
4273 ret_types[i] = raw_types[i];
4274 }
4275 }
4276 offset += type_sec_size;
4277
4278 /* Copy string section */
4279 memcpy(raw_btf + offset, str, str_sec_size);
4280
4281 ret_hdr = (struct btf_header *)raw_btf;
4282 ret_hdr->type_len = type_sec_size;
4283 ret_hdr->str_off = type_sec_size;
4284 ret_hdr->str_len = str_sec_size;
4285
4286 *btf_size = size_needed;
4287 if (ret_next_str)
4288 *ret_next_str =
4289 next_str_idx < strs_cnt ? strs_idx[next_str_idx] : NULL;
4290
4291 done:
4292 free(strs_idx);
4293 if (err) {
4294 free(raw_btf);
4295 return NULL;
4296 }
4297 return raw_btf;
4298 }
4299
load_raw_btf(const void * raw_data,size_t raw_size)4300 static int load_raw_btf(const void *raw_data, size_t raw_size)
4301 {
4302 LIBBPF_OPTS(bpf_btf_load_opts, opts);
4303 int btf_fd;
4304
4305 if (always_log) {
4306 opts.log_buf = btf_log_buf,
4307 opts.log_size = BTF_LOG_BUF_SIZE,
4308 opts.log_level = 1;
4309 }
4310
4311 btf_fd = bpf_btf_load(raw_data, raw_size, &opts);
4312 if (btf_fd < 0 && !always_log) {
4313 opts.log_buf = btf_log_buf,
4314 opts.log_size = BTF_LOG_BUF_SIZE,
4315 opts.log_level = 1;
4316 btf_fd = bpf_btf_load(raw_data, raw_size, &opts);
4317 }
4318
4319 return btf_fd;
4320 }
4321
do_test_raw(unsigned int test_num)4322 static void do_test_raw(unsigned int test_num)
4323 {
4324 struct btf_raw_test *test = &raw_tests[test_num - 1];
4325 LIBBPF_OPTS(bpf_map_create_opts, opts);
4326 int map_fd = -1, btf_fd = -1;
4327 unsigned int raw_btf_size;
4328 struct btf_header *hdr;
4329 void *raw_btf;
4330 int err;
4331
4332 if (!test__start_subtest(test->descr))
4333 return;
4334
4335 raw_btf = btf_raw_create(&hdr_tmpl,
4336 test->raw_types,
4337 test->str_sec,
4338 test->str_sec_size,
4339 &raw_btf_size, NULL);
4340 if (!raw_btf)
4341 return;
4342
4343 hdr = raw_btf;
4344
4345 hdr->hdr_len = (int)hdr->hdr_len + test->hdr_len_delta;
4346 hdr->type_off = (int)hdr->type_off + test->type_off_delta;
4347 hdr->str_off = (int)hdr->str_off + test->str_off_delta;
4348 hdr->str_len = (int)hdr->str_len + test->str_len_delta;
4349
4350 *btf_log_buf = '\0';
4351 btf_fd = load_raw_btf(raw_btf, raw_btf_size);
4352 free(raw_btf);
4353
4354 err = ((btf_fd < 0) != test->btf_load_err);
4355 if (CHECK(err, "btf_fd:%d test->btf_load_err:%u",
4356 btf_fd, test->btf_load_err) ||
4357 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str),
4358 "expected err_str:%s\n", test->err_str)) {
4359 err = -1;
4360 goto done;
4361 }
4362
4363 if (err || btf_fd < 0)
4364 goto done;
4365
4366 opts.btf_fd = btf_fd;
4367 opts.btf_key_type_id = test->key_type_id;
4368 opts.btf_value_type_id = test->value_type_id;
4369 map_fd = bpf_map_create(test->map_type, test->map_name,
4370 test->key_size, test->value_size, test->max_entries, &opts);
4371
4372 err = ((map_fd < 0) != test->map_create_err);
4373 CHECK(err, "map_fd:%d test->map_create_err:%u",
4374 map_fd, test->map_create_err);
4375
4376 done:
4377 if (*btf_log_buf && (err || always_log))
4378 fprintf(stderr, "\n%s", btf_log_buf);
4379 if (btf_fd >= 0)
4380 close(btf_fd);
4381 if (map_fd >= 0)
4382 close(map_fd);
4383 }
4384
4385 struct btf_get_info_test {
4386 const char *descr;
4387 const char *str_sec;
4388 __u32 raw_types[MAX_NR_RAW_U32];
4389 __u32 str_sec_size;
4390 int btf_size_delta;
4391 int (*special_test)(unsigned int test_num);
4392 };
4393
4394 static int test_big_btf_info(unsigned int test_num);
4395 static int test_btf_id(unsigned int test_num);
4396
4397 const struct btf_get_info_test get_info_tests[] = {
4398 {
4399 .descr = "== raw_btf_size+1",
4400 .raw_types = {
4401 /* int */ /* [1] */
4402 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4403 BTF_END_RAW,
4404 },
4405 .str_sec = "",
4406 .str_sec_size = sizeof(""),
4407 .btf_size_delta = 1,
4408 },
4409 {
4410 .descr = "== raw_btf_size-3",
4411 .raw_types = {
4412 /* int */ /* [1] */
4413 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4414 BTF_END_RAW,
4415 },
4416 .str_sec = "",
4417 .str_sec_size = sizeof(""),
4418 .btf_size_delta = -3,
4419 },
4420 {
4421 .descr = "Large bpf_btf_info",
4422 .raw_types = {
4423 /* int */ /* [1] */
4424 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4425 BTF_END_RAW,
4426 },
4427 .str_sec = "",
4428 .str_sec_size = sizeof(""),
4429 .special_test = test_big_btf_info,
4430 },
4431 {
4432 .descr = "BTF ID",
4433 .raw_types = {
4434 /* int */ /* [1] */
4435 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4436 /* unsigned int */ /* [2] */
4437 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),
4438 BTF_END_RAW,
4439 },
4440 .str_sec = "",
4441 .str_sec_size = sizeof(""),
4442 .special_test = test_btf_id,
4443 },
4444 };
4445
test_big_btf_info(unsigned int test_num)4446 static int test_big_btf_info(unsigned int test_num)
4447 {
4448 const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
4449 uint8_t *raw_btf = NULL, *user_btf = NULL;
4450 unsigned int raw_btf_size;
4451 struct {
4452 struct bpf_btf_info info;
4453 uint64_t garbage;
4454 } info_garbage;
4455 struct bpf_btf_info *info;
4456 int btf_fd = -1, err;
4457 uint32_t info_len;
4458
4459 raw_btf = btf_raw_create(&hdr_tmpl,
4460 test->raw_types,
4461 test->str_sec,
4462 test->str_sec_size,
4463 &raw_btf_size, NULL);
4464
4465 if (!raw_btf)
4466 return -1;
4467
4468 *btf_log_buf = '\0';
4469
4470 user_btf = malloc(raw_btf_size);
4471 if (CHECK(!user_btf, "!user_btf")) {
4472 err = -1;
4473 goto done;
4474 }
4475
4476 btf_fd = load_raw_btf(raw_btf, raw_btf_size);
4477 if (CHECK(btf_fd < 0, "errno:%d", errno)) {
4478 err = -1;
4479 goto done;
4480 }
4481
4482 /*
4483 * GET_INFO should error out if the userspace info
4484 * has non zero tailing bytes.
4485 */
4486 info = &info_garbage.info;
4487 memset(info, 0, sizeof(*info));
4488 info_garbage.garbage = 0xdeadbeef;
4489 info_len = sizeof(info_garbage);
4490 info->btf = ptr_to_u64(user_btf);
4491 info->btf_size = raw_btf_size;
4492
4493 err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len);
4494 if (CHECK(!err, "!err")) {
4495 err = -1;
4496 goto done;
4497 }
4498
4499 /*
4500 * GET_INFO should succeed even info_len is larger than
4501 * the kernel supported as long as tailing bytes are zero.
4502 * The kernel supported info len should also be returned
4503 * to userspace.
4504 */
4505 info_garbage.garbage = 0;
4506 err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len);
4507 if (CHECK(err || info_len != sizeof(*info),
4508 "err:%d errno:%d info_len:%u sizeof(*info):%zu",
4509 err, errno, info_len, sizeof(*info))) {
4510 err = -1;
4511 goto done;
4512 }
4513
4514 fprintf(stderr, "OK");
4515
4516 done:
4517 if (*btf_log_buf && (err || always_log))
4518 fprintf(stderr, "\n%s", btf_log_buf);
4519
4520 free(raw_btf);
4521 free(user_btf);
4522
4523 if (btf_fd >= 0)
4524 close(btf_fd);
4525
4526 return err;
4527 }
4528
test_btf_id(unsigned int test_num)4529 static int test_btf_id(unsigned int test_num)
4530 {
4531 const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
4532 LIBBPF_OPTS(bpf_map_create_opts, opts);
4533 uint8_t *raw_btf = NULL, *user_btf[2] = {};
4534 int btf_fd[2] = {-1, -1}, map_fd = -1;
4535 struct bpf_map_info map_info = {};
4536 struct bpf_btf_info info[2] = {};
4537 unsigned int raw_btf_size;
4538 uint32_t info_len;
4539 int err, i, ret;
4540
4541 raw_btf = btf_raw_create(&hdr_tmpl,
4542 test->raw_types,
4543 test->str_sec,
4544 test->str_sec_size,
4545 &raw_btf_size, NULL);
4546
4547 if (!raw_btf)
4548 return -1;
4549
4550 *btf_log_buf = '\0';
4551
4552 for (i = 0; i < 2; i++) {
4553 user_btf[i] = malloc(raw_btf_size);
4554 if (CHECK(!user_btf[i], "!user_btf[%d]", i)) {
4555 err = -1;
4556 goto done;
4557 }
4558 info[i].btf = ptr_to_u64(user_btf[i]);
4559 info[i].btf_size = raw_btf_size;
4560 }
4561
4562 btf_fd[0] = load_raw_btf(raw_btf, raw_btf_size);
4563 if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) {
4564 err = -1;
4565 goto done;
4566 }
4567
4568 /* Test BPF_OBJ_GET_INFO_BY_ID on btf_id */
4569 info_len = sizeof(info[0]);
4570 err = bpf_btf_get_info_by_fd(btf_fd[0], &info[0], &info_len);
4571 if (CHECK(err, "errno:%d", errno)) {
4572 err = -1;
4573 goto done;
4574 }
4575
4576 btf_fd[1] = bpf_btf_get_fd_by_id(info[0].id);
4577 if (CHECK(btf_fd[1] < 0, "errno:%d", errno)) {
4578 err = -1;
4579 goto done;
4580 }
4581
4582 ret = 0;
4583 err = bpf_btf_get_info_by_fd(btf_fd[1], &info[1], &info_len);
4584 if (CHECK(err || info[0].id != info[1].id ||
4585 info[0].btf_size != info[1].btf_size ||
4586 (ret = memcmp(user_btf[0], user_btf[1], info[0].btf_size)),
4587 "err:%d errno:%d id0:%u id1:%u btf_size0:%u btf_size1:%u memcmp:%d",
4588 err, errno, info[0].id, info[1].id,
4589 info[0].btf_size, info[1].btf_size, ret)) {
4590 err = -1;
4591 goto done;
4592 }
4593
4594 /* Test btf members in struct bpf_map_info */
4595 opts.btf_fd = btf_fd[0];
4596 opts.btf_key_type_id = 1;
4597 opts.btf_value_type_id = 2;
4598 map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_btf_id",
4599 sizeof(int), sizeof(int), 4, &opts);
4600 if (CHECK(map_fd < 0, "errno:%d", errno)) {
4601 err = -1;
4602 goto done;
4603 }
4604
4605 info_len = sizeof(map_info);
4606 err = bpf_map_get_info_by_fd(map_fd, &map_info, &info_len);
4607 if (CHECK(err || map_info.btf_id != info[0].id ||
4608 map_info.btf_key_type_id != 1 || map_info.btf_value_type_id != 2,
4609 "err:%d errno:%d info.id:%u btf_id:%u btf_key_type_id:%u btf_value_type_id:%u",
4610 err, errno, info[0].id, map_info.btf_id, map_info.btf_key_type_id,
4611 map_info.btf_value_type_id)) {
4612 err = -1;
4613 goto done;
4614 }
4615
4616 for (i = 0; i < 2; i++) {
4617 close(btf_fd[i]);
4618 btf_fd[i] = -1;
4619 }
4620
4621 /* Test BTF ID is removed from the kernel */
4622 btf_fd[0] = bpf_btf_get_fd_by_id(map_info.btf_id);
4623 if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) {
4624 err = -1;
4625 goto done;
4626 }
4627 close(btf_fd[0]);
4628 btf_fd[0] = -1;
4629
4630 /* The map holds the last ref to BTF and its btf_id */
4631 close(map_fd);
4632 map_fd = -1;
4633 btf_fd[0] = bpf_btf_get_fd_by_id(map_info.btf_id);
4634 if (CHECK(btf_fd[0] >= 0, "BTF lingers")) {
4635 err = -1;
4636 goto done;
4637 }
4638
4639 fprintf(stderr, "OK");
4640
4641 done:
4642 if (*btf_log_buf && (err || always_log))
4643 fprintf(stderr, "\n%s", btf_log_buf);
4644
4645 free(raw_btf);
4646 if (map_fd >= 0)
4647 close(map_fd);
4648 for (i = 0; i < 2; i++) {
4649 free(user_btf[i]);
4650 if (btf_fd[i] >= 0)
4651 close(btf_fd[i]);
4652 }
4653
4654 return err;
4655 }
4656
do_test_get_info(unsigned int test_num)4657 static void do_test_get_info(unsigned int test_num)
4658 {
4659 const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
4660 unsigned int raw_btf_size, user_btf_size, expected_nbytes;
4661 uint8_t *raw_btf = NULL, *user_btf = NULL;
4662 struct bpf_btf_info info = {};
4663 int btf_fd = -1, err, ret;
4664 uint32_t info_len;
4665
4666 if (!test__start_subtest(test->descr))
4667 return;
4668
4669 if (test->special_test) {
4670 err = test->special_test(test_num);
4671 if (CHECK(err, "failed: %d\n", err))
4672 return;
4673 }
4674
4675 raw_btf = btf_raw_create(&hdr_tmpl,
4676 test->raw_types,
4677 test->str_sec,
4678 test->str_sec_size,
4679 &raw_btf_size, NULL);
4680
4681 if (!raw_btf)
4682 return;
4683
4684 *btf_log_buf = '\0';
4685
4686 user_btf = malloc(raw_btf_size);
4687 if (CHECK(!user_btf, "!user_btf")) {
4688 err = -1;
4689 goto done;
4690 }
4691
4692 btf_fd = load_raw_btf(raw_btf, raw_btf_size);
4693 if (CHECK(btf_fd <= 0, "errno:%d", errno)) {
4694 err = -1;
4695 goto done;
4696 }
4697
4698 user_btf_size = (int)raw_btf_size + test->btf_size_delta;
4699 expected_nbytes = min(raw_btf_size, user_btf_size);
4700 if (raw_btf_size > expected_nbytes)
4701 memset(user_btf + expected_nbytes, 0xff,
4702 raw_btf_size - expected_nbytes);
4703
4704 info_len = sizeof(info);
4705 info.btf = ptr_to_u64(user_btf);
4706 info.btf_size = user_btf_size;
4707
4708 ret = 0;
4709 err = bpf_btf_get_info_by_fd(btf_fd, &info, &info_len);
4710 if (CHECK(err || !info.id || info_len != sizeof(info) ||
4711 info.btf_size != raw_btf_size ||
4712 (ret = memcmp(raw_btf, user_btf, expected_nbytes)),
4713 "err:%d errno:%d info.id:%u info_len:%u sizeof(info):%zu raw_btf_size:%u info.btf_size:%u expected_nbytes:%u memcmp:%d",
4714 err, errno, info.id, info_len, sizeof(info),
4715 raw_btf_size, info.btf_size, expected_nbytes, ret)) {
4716 err = -1;
4717 goto done;
4718 }
4719
4720 while (expected_nbytes < raw_btf_size) {
4721 fprintf(stderr, "%u...", expected_nbytes);
4722 if (CHECK(user_btf[expected_nbytes++] != 0xff,
4723 "user_btf[%u]:%x != 0xff", expected_nbytes - 1,
4724 user_btf[expected_nbytes - 1])) {
4725 err = -1;
4726 goto done;
4727 }
4728 }
4729
4730 fprintf(stderr, "OK");
4731
4732 done:
4733 if (*btf_log_buf && (err || always_log))
4734 fprintf(stderr, "\n%s", btf_log_buf);
4735
4736 free(raw_btf);
4737 free(user_btf);
4738
4739 if (btf_fd >= 0)
4740 close(btf_fd);
4741 }
4742
4743 struct btf_file_test {
4744 const char *file;
4745 bool btf_kv_notfound;
4746 };
4747
4748 static struct btf_file_test file_tests[] = {
4749 { .file = "test_btf_newkv.bpf.o", },
4750 { .file = "test_btf_nokv.bpf.o", .btf_kv_notfound = true, },
4751 };
4752
do_test_file(unsigned int test_num)4753 static void do_test_file(unsigned int test_num)
4754 {
4755 const struct btf_file_test *test = &file_tests[test_num - 1];
4756 const char *expected_fnames[] = {"_dummy_tracepoint",
4757 "test_long_fname_1",
4758 "test_long_fname_2"};
4759 struct btf_ext *btf_ext = NULL;
4760 struct bpf_prog_info info = {};
4761 struct bpf_object *obj = NULL;
4762 struct bpf_func_info *finfo;
4763 struct bpf_program *prog;
4764 __u32 info_len, rec_size;
4765 bool has_btf_ext = false;
4766 struct btf *btf = NULL;
4767 void *func_info = NULL;
4768 struct bpf_map *map;
4769 int i, err, prog_fd;
4770
4771 if (!test__start_subtest(test->file))
4772 return;
4773
4774 btf = btf__parse_elf(test->file, &btf_ext);
4775 err = libbpf_get_error(btf);
4776 if (err) {
4777 if (err == -ENOENT) {
4778 printf("%s:SKIP: No ELF %s found", __func__, BTF_ELF_SEC);
4779 test__skip();
4780 return;
4781 }
4782 return;
4783 }
4784 btf__free(btf);
4785
4786 has_btf_ext = btf_ext != NULL;
4787 btf_ext__free(btf_ext);
4788
4789 /* temporary disable LIBBPF_STRICT_MAP_DEFINITIONS to test legacy maps */
4790 libbpf_set_strict_mode(LIBBPF_STRICT_ALL & ~LIBBPF_STRICT_MAP_DEFINITIONS);
4791 obj = bpf_object__open(test->file);
4792 err = libbpf_get_error(obj);
4793 if (CHECK(err, "obj: %d", err))
4794 return;
4795
4796 prog = bpf_object__next_program(obj, NULL);
4797 if (CHECK(!prog, "Cannot find bpf_prog")) {
4798 err = -1;
4799 goto done;
4800 }
4801
4802 bpf_program__set_type(prog, BPF_PROG_TYPE_TRACEPOINT);
4803 err = bpf_object__load(obj);
4804 if (CHECK(err < 0, "bpf_object__load: %d", err))
4805 goto done;
4806 prog_fd = bpf_program__fd(prog);
4807
4808 map = bpf_object__find_map_by_name(obj, "btf_map");
4809 if (CHECK(!map, "btf_map not found")) {
4810 err = -1;
4811 goto done;
4812 }
4813
4814 err = (bpf_map__btf_key_type_id(map) == 0 || bpf_map__btf_value_type_id(map) == 0)
4815 != test->btf_kv_notfound;
4816 if (CHECK(err, "btf_key_type_id:%u btf_value_type_id:%u test->btf_kv_notfound:%u",
4817 bpf_map__btf_key_type_id(map), bpf_map__btf_value_type_id(map),
4818 test->btf_kv_notfound))
4819 goto done;
4820
4821 if (!has_btf_ext)
4822 goto skip;
4823
4824 /* get necessary program info */
4825 info_len = sizeof(struct bpf_prog_info);
4826 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
4827
4828 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) {
4829 fprintf(stderr, "%s\n", btf_log_buf);
4830 err = -1;
4831 goto done;
4832 }
4833 if (CHECK(info.nr_func_info != 3,
4834 "incorrect info.nr_func_info (1st) %d",
4835 info.nr_func_info)) {
4836 err = -1;
4837 goto done;
4838 }
4839 rec_size = info.func_info_rec_size;
4840 if (CHECK(rec_size != sizeof(struct bpf_func_info),
4841 "incorrect info.func_info_rec_size (1st) %d\n", rec_size)) {
4842 err = -1;
4843 goto done;
4844 }
4845
4846 func_info = malloc(info.nr_func_info * rec_size);
4847 if (CHECK(!func_info, "out of memory")) {
4848 err = -1;
4849 goto done;
4850 }
4851
4852 /* reset info to only retrieve func_info related data */
4853 memset(&info, 0, sizeof(info));
4854 info.nr_func_info = 3;
4855 info.func_info_rec_size = rec_size;
4856 info.func_info = ptr_to_u64(func_info);
4857
4858 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
4859
4860 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) {
4861 fprintf(stderr, "%s\n", btf_log_buf);
4862 err = -1;
4863 goto done;
4864 }
4865 if (CHECK(info.nr_func_info != 3,
4866 "incorrect info.nr_func_info (2nd) %d",
4867 info.nr_func_info)) {
4868 err = -1;
4869 goto done;
4870 }
4871 if (CHECK(info.func_info_rec_size != rec_size,
4872 "incorrect info.func_info_rec_size (2nd) %d",
4873 info.func_info_rec_size)) {
4874 err = -1;
4875 goto done;
4876 }
4877
4878 btf = btf__load_from_kernel_by_id(info.btf_id);
4879 err = libbpf_get_error(btf);
4880 if (CHECK(err, "cannot get btf from kernel, err: %d", err))
4881 goto done;
4882
4883 /* check three functions */
4884 finfo = func_info;
4885 for (i = 0; i < 3; i++) {
4886 const struct btf_type *t;
4887 const char *fname;
4888
4889 t = btf__type_by_id(btf, finfo->type_id);
4890 if (CHECK(!t, "btf__type_by_id failure: id %u",
4891 finfo->type_id)) {
4892 err = -1;
4893 goto done;
4894 }
4895
4896 fname = btf__name_by_offset(btf, t->name_off);
4897 err = strcmp(fname, expected_fnames[i]);
4898 /* for the second and third functions in .text section,
4899 * the compiler may order them either way.
4900 */
4901 if (i && err)
4902 err = strcmp(fname, expected_fnames[3 - i]);
4903 if (CHECK(err, "incorrect fname %s", fname ? : "")) {
4904 err = -1;
4905 goto done;
4906 }
4907
4908 finfo = (void *)finfo + rec_size;
4909 }
4910
4911 skip:
4912 fprintf(stderr, "OK");
4913
4914 done:
4915 libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
4916
4917 btf__free(btf);
4918 free(func_info);
4919 bpf_object__close(obj);
4920 }
4921
4922 const char *pprint_enum_str[] = {
4923 "ENUM_ZERO",
4924 "ENUM_ONE",
4925 "ENUM_TWO",
4926 "ENUM_THREE",
4927 };
4928
4929 struct pprint_mapv {
4930 uint32_t ui32;
4931 uint16_t ui16;
4932 /* 2 bytes hole */
4933 int32_t si32;
4934 uint32_t unused_bits2a:2,
4935 bits28:28,
4936 unused_bits2b:2;
4937 union {
4938 uint64_t ui64;
4939 uint8_t ui8a[8];
4940 };
4941 enum {
4942 ENUM_ZERO,
4943 ENUM_ONE,
4944 ENUM_TWO,
4945 ENUM_THREE,
4946 } aenum;
4947 uint32_t ui32b;
4948 uint32_t bits2c:2;
4949 uint8_t si8_4[2][2];
4950 };
4951
4952 #ifdef __SIZEOF_INT128__
4953 struct pprint_mapv_int128 {
4954 __int128 si128a;
4955 __int128 si128b;
4956 unsigned __int128 bits3:3;
4957 unsigned __int128 bits80:80;
4958 unsigned __int128 ui128;
4959 };
4960 #endif
4961
4962 static struct btf_raw_test pprint_test_template[] = {
4963 {
4964 .raw_types = {
4965 /* unsighed char */ /* [1] */
4966 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
4967 /* unsigned short */ /* [2] */
4968 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
4969 /* unsigned int */ /* [3] */
4970 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
4971 /* int */ /* [4] */
4972 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
4973 /* unsigned long long */ /* [5] */
4974 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
4975 /* 2 bits */ /* [6] */
4976 BTF_TYPE_INT_ENC(0, 0, 0, 2, 2),
4977 /* 28 bits */ /* [7] */
4978 BTF_TYPE_INT_ENC(0, 0, 0, 28, 4),
4979 /* uint8_t[8] */ /* [8] */
4980 BTF_TYPE_ARRAY_ENC(9, 1, 8),
4981 /* typedef unsigned char uint8_t */ /* [9] */
4982 BTF_TYPEDEF_ENC(NAME_TBD, 1),
4983 /* typedef unsigned short uint16_t */ /* [10] */
4984 BTF_TYPEDEF_ENC(NAME_TBD, 2),
4985 /* typedef unsigned int uint32_t */ /* [11] */
4986 BTF_TYPEDEF_ENC(NAME_TBD, 3),
4987 /* typedef int int32_t */ /* [12] */
4988 BTF_TYPEDEF_ENC(NAME_TBD, 4),
4989 /* typedef unsigned long long uint64_t *//* [13] */
4990 BTF_TYPEDEF_ENC(NAME_TBD, 5),
4991 /* union (anon) */ /* [14] */
4992 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
4993 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
4994 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */
4995 /* enum (anon) */ /* [15] */
4996 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
4997 BTF_ENUM_ENC(NAME_TBD, 0),
4998 BTF_ENUM_ENC(NAME_TBD, 1),
4999 BTF_ENUM_ENC(NAME_TBD, 2),
5000 BTF_ENUM_ENC(NAME_TBD, 3),
5001 /* struct pprint_mapv */ /* [16] */
5002 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 11), 40),
5003 BTF_MEMBER_ENC(NAME_TBD, 11, 0), /* uint32_t ui32 */
5004 BTF_MEMBER_ENC(NAME_TBD, 10, 32), /* uint16_t ui16 */
5005 BTF_MEMBER_ENC(NAME_TBD, 12, 64), /* int32_t si32 */
5006 BTF_MEMBER_ENC(NAME_TBD, 6, 96), /* unused_bits2a */
5007 BTF_MEMBER_ENC(NAME_TBD, 7, 98), /* bits28 */
5008 BTF_MEMBER_ENC(NAME_TBD, 6, 126), /* unused_bits2b */
5009 BTF_MEMBER_ENC(0, 14, 128), /* union (anon) */
5010 BTF_MEMBER_ENC(NAME_TBD, 15, 192), /* aenum */
5011 BTF_MEMBER_ENC(NAME_TBD, 11, 224), /* uint32_t ui32b */
5012 BTF_MEMBER_ENC(NAME_TBD, 6, 256), /* bits2c */
5013 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */
5014 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */
5015 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */
5016 BTF_END_RAW,
5017 },
5018 BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0si8_4"),
5019 .key_size = sizeof(unsigned int),
5020 .value_size = sizeof(struct pprint_mapv),
5021 .key_type_id = 3, /* unsigned int */
5022 .value_type_id = 16, /* struct pprint_mapv */
5023 .max_entries = 128,
5024 },
5025
5026 {
5027 /* this type will have the same type as the
5028 * first .raw_types definition, but struct type will
5029 * be encoded with kind_flag set.
5030 */
5031 .raw_types = {
5032 /* unsighed char */ /* [1] */
5033 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
5034 /* unsigned short */ /* [2] */
5035 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
5036 /* unsigned int */ /* [3] */
5037 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
5038 /* int */ /* [4] */
5039 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
5040 /* unsigned long long */ /* [5] */
5041 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
5042 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */
5043 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */
5044 /* uint8_t[8] */ /* [8] */
5045 BTF_TYPE_ARRAY_ENC(9, 1, 8),
5046 /* typedef unsigned char uint8_t */ /* [9] */
5047 BTF_TYPEDEF_ENC(NAME_TBD, 1),
5048 /* typedef unsigned short uint16_t */ /* [10] */
5049 BTF_TYPEDEF_ENC(NAME_TBD, 2),
5050 /* typedef unsigned int uint32_t */ /* [11] */
5051 BTF_TYPEDEF_ENC(NAME_TBD, 3),
5052 /* typedef int int32_t */ /* [12] */
5053 BTF_TYPEDEF_ENC(NAME_TBD, 4),
5054 /* typedef unsigned long long uint64_t *//* [13] */
5055 BTF_TYPEDEF_ENC(NAME_TBD, 5),
5056 /* union (anon) */ /* [14] */
5057 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
5058 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
5059 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */
5060 /* enum (anon) */ /* [15] */
5061 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
5062 BTF_ENUM_ENC(NAME_TBD, 0),
5063 BTF_ENUM_ENC(NAME_TBD, 1),
5064 BTF_ENUM_ENC(NAME_TBD, 2),
5065 BTF_ENUM_ENC(NAME_TBD, 3),
5066 /* struct pprint_mapv */ /* [16] */
5067 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40),
5068 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */
5069 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */
5070 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */
5071 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */
5072 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */
5073 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 126)), /* unused_bits2b */
5074 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */
5075 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */
5076 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */
5077 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */
5078 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */
5079 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */
5080 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */
5081 BTF_END_RAW,
5082 },
5083 BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0si8_4"),
5084 .key_size = sizeof(unsigned int),
5085 .value_size = sizeof(struct pprint_mapv),
5086 .key_type_id = 3, /* unsigned int */
5087 .value_type_id = 16, /* struct pprint_mapv */
5088 .max_entries = 128,
5089 },
5090
5091 {
5092 /* this type will have the same layout as the
5093 * first .raw_types definition. The struct type will
5094 * be encoded with kind_flag set, bitfield members
5095 * are added typedef/const/volatile, and bitfield members
5096 * will have both int and enum types.
5097 */
5098 .raw_types = {
5099 /* unsighed char */ /* [1] */
5100 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
5101 /* unsigned short */ /* [2] */
5102 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
5103 /* unsigned int */ /* [3] */
5104 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
5105 /* int */ /* [4] */
5106 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
5107 /* unsigned long long */ /* [5] */
5108 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
5109 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */
5110 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */
5111 /* uint8_t[8] */ /* [8] */
5112 BTF_TYPE_ARRAY_ENC(9, 1, 8),
5113 /* typedef unsigned char uint8_t */ /* [9] */
5114 BTF_TYPEDEF_ENC(NAME_TBD, 1),
5115 /* typedef unsigned short uint16_t */ /* [10] */
5116 BTF_TYPEDEF_ENC(NAME_TBD, 2),
5117 /* typedef unsigned int uint32_t */ /* [11] */
5118 BTF_TYPEDEF_ENC(NAME_TBD, 3),
5119 /* typedef int int32_t */ /* [12] */
5120 BTF_TYPEDEF_ENC(NAME_TBD, 4),
5121 /* typedef unsigned long long uint64_t *//* [13] */
5122 BTF_TYPEDEF_ENC(NAME_TBD, 5),
5123 /* union (anon) */ /* [14] */
5124 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
5125 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
5126 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */
5127 /* enum (anon) */ /* [15] */
5128 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
5129 BTF_ENUM_ENC(NAME_TBD, 0),
5130 BTF_ENUM_ENC(NAME_TBD, 1),
5131 BTF_ENUM_ENC(NAME_TBD, 2),
5132 BTF_ENUM_ENC(NAME_TBD, 3),
5133 /* struct pprint_mapv */ /* [16] */
5134 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40),
5135 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */
5136 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */
5137 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */
5138 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */
5139 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */
5140 BTF_MEMBER_ENC(NAME_TBD, 19, BTF_MEMBER_OFFSET(2, 126)),/* unused_bits2b */
5141 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */
5142 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */
5143 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */
5144 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */
5145 BTF_MEMBER_ENC(NAME_TBD, 20, BTF_MEMBER_OFFSET(0, 264)), /* si8_4 */
5146 /* typedef unsigned int ___int */ /* [17] */
5147 BTF_TYPEDEF_ENC(NAME_TBD, 18),
5148 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 6), /* [18] */
5149 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 15), /* [19] */
5150 BTF_TYPE_ARRAY_ENC(21, 1, 2), /* [20] */
5151 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [21] */
5152 BTF_END_RAW,
5153 },
5154 BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0___int\0si8_4"),
5155 .key_size = sizeof(unsigned int),
5156 .value_size = sizeof(struct pprint_mapv),
5157 .key_type_id = 3, /* unsigned int */
5158 .value_type_id = 16, /* struct pprint_mapv */
5159 .max_entries = 128,
5160 },
5161
5162 #ifdef __SIZEOF_INT128__
5163 {
5164 /* test int128 */
5165 .raw_types = {
5166 /* unsigned int */ /* [1] */
5167 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
5168 /* __int128 */ /* [2] */
5169 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 128, 16),
5170 /* unsigned __int128 */ /* [3] */
5171 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 128, 16),
5172 /* struct pprint_mapv_int128 */ /* [4] */
5173 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 5), 64),
5174 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), /* si128a */
5175 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 128)), /* si128b */
5176 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(3, 256)), /* bits3 */
5177 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(80, 259)), /* bits80 */
5178 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(0, 384)), /* ui128 */
5179 BTF_END_RAW,
5180 },
5181 BTF_STR_SEC("\0unsigned int\0__int128\0unsigned __int128\0pprint_mapv_int128\0si128a\0si128b\0bits3\0bits80\0ui128"),
5182 .key_size = sizeof(unsigned int),
5183 .value_size = sizeof(struct pprint_mapv_int128),
5184 .key_type_id = 1,
5185 .value_type_id = 4,
5186 .max_entries = 128,
5187 .mapv_kind = PPRINT_MAPV_KIND_INT128,
5188 },
5189 #endif
5190
5191 };
5192
5193 static struct btf_pprint_test_meta {
5194 const char *descr;
5195 enum bpf_map_type map_type;
5196 const char *map_name;
5197 bool ordered_map;
5198 bool lossless_map;
5199 bool percpu_map;
5200 } pprint_tests_meta[] = {
5201 {
5202 .descr = "BTF pretty print array",
5203 .map_type = BPF_MAP_TYPE_ARRAY,
5204 .map_name = "pprint_test_array",
5205 .ordered_map = true,
5206 .lossless_map = true,
5207 .percpu_map = false,
5208 },
5209
5210 {
5211 .descr = "BTF pretty print hash",
5212 .map_type = BPF_MAP_TYPE_HASH,
5213 .map_name = "pprint_test_hash",
5214 .ordered_map = false,
5215 .lossless_map = true,
5216 .percpu_map = false,
5217 },
5218
5219 {
5220 .descr = "BTF pretty print lru hash",
5221 .map_type = BPF_MAP_TYPE_LRU_HASH,
5222 .map_name = "pprint_test_lru_hash",
5223 .ordered_map = false,
5224 .lossless_map = false,
5225 .percpu_map = false,
5226 },
5227
5228 {
5229 .descr = "BTF pretty print percpu array",
5230 .map_type = BPF_MAP_TYPE_PERCPU_ARRAY,
5231 .map_name = "pprint_test_percpu_array",
5232 .ordered_map = true,
5233 .lossless_map = true,
5234 .percpu_map = true,
5235 },
5236
5237 {
5238 .descr = "BTF pretty print percpu hash",
5239 .map_type = BPF_MAP_TYPE_PERCPU_HASH,
5240 .map_name = "pprint_test_percpu_hash",
5241 .ordered_map = false,
5242 .lossless_map = true,
5243 .percpu_map = true,
5244 },
5245
5246 {
5247 .descr = "BTF pretty print lru percpu hash",
5248 .map_type = BPF_MAP_TYPE_LRU_PERCPU_HASH,
5249 .map_name = "pprint_test_lru_percpu_hash",
5250 .ordered_map = false,
5251 .lossless_map = false,
5252 .percpu_map = true,
5253 },
5254
5255 };
5256
get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind)5257 static size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind)
5258 {
5259 if (mapv_kind == PPRINT_MAPV_KIND_BASIC)
5260 return sizeof(struct pprint_mapv);
5261
5262 #ifdef __SIZEOF_INT128__
5263 if (mapv_kind == PPRINT_MAPV_KIND_INT128)
5264 return sizeof(struct pprint_mapv_int128);
5265 #endif
5266
5267 assert(0);
5268 }
5269
set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind,void * mapv,uint32_t i,int num_cpus,int rounded_value_size)5270 static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind,
5271 void *mapv, uint32_t i,
5272 int num_cpus, int rounded_value_size)
5273 {
5274 int cpu;
5275
5276 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
5277 struct pprint_mapv *v = mapv;
5278
5279 for (cpu = 0; cpu < num_cpus; cpu++) {
5280 v->ui32 = i + cpu;
5281 v->si32 = -i;
5282 v->unused_bits2a = 3;
5283 v->bits28 = i;
5284 v->unused_bits2b = 3;
5285 v->ui64 = i;
5286 v->aenum = i & 0x03;
5287 v->ui32b = 4;
5288 v->bits2c = 1;
5289 v->si8_4[0][0] = (cpu + i) & 0xff;
5290 v->si8_4[0][1] = (cpu + i + 1) & 0xff;
5291 v->si8_4[1][0] = (cpu + i + 2) & 0xff;
5292 v->si8_4[1][1] = (cpu + i + 3) & 0xff;
5293 v = (void *)v + rounded_value_size;
5294 }
5295 }
5296
5297 #ifdef __SIZEOF_INT128__
5298 if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
5299 struct pprint_mapv_int128 *v = mapv;
5300
5301 for (cpu = 0; cpu < num_cpus; cpu++) {
5302 v->si128a = i;
5303 v->si128b = -i;
5304 v->bits3 = i & 0x07;
5305 v->bits80 = (((unsigned __int128)1) << 64) + i;
5306 v->ui128 = (((unsigned __int128)2) << 64) + i;
5307 v = (void *)v + rounded_value_size;
5308 }
5309 }
5310 #endif
5311 }
5312
get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind,char * expected_line,ssize_t line_size,bool percpu_map,unsigned int next_key,int cpu,void * mapv)5313 ssize_t get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind,
5314 char *expected_line, ssize_t line_size,
5315 bool percpu_map, unsigned int next_key,
5316 int cpu, void *mapv)
5317 {
5318 ssize_t nexpected_line = -1;
5319
5320 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
5321 struct pprint_mapv *v = mapv;
5322
5323 nexpected_line = snprintf(expected_line, line_size,
5324 "%s%u: {%u,0,%d,0x%x,0x%x,0x%x,"
5325 "{%llu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s,"
5326 "%u,0x%x,[[%d,%d],[%d,%d]]}\n",
5327 percpu_map ? "\tcpu" : "",
5328 percpu_map ? cpu : next_key,
5329 v->ui32, v->si32,
5330 v->unused_bits2a,
5331 v->bits28,
5332 v->unused_bits2b,
5333 (__u64)v->ui64,
5334 v->ui8a[0], v->ui8a[1],
5335 v->ui8a[2], v->ui8a[3],
5336 v->ui8a[4], v->ui8a[5],
5337 v->ui8a[6], v->ui8a[7],
5338 pprint_enum_str[v->aenum],
5339 v->ui32b,
5340 v->bits2c,
5341 v->si8_4[0][0], v->si8_4[0][1],
5342 v->si8_4[1][0], v->si8_4[1][1]);
5343 }
5344
5345 #ifdef __SIZEOF_INT128__
5346 if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
5347 struct pprint_mapv_int128 *v = mapv;
5348
5349 nexpected_line = snprintf(expected_line, line_size,
5350 "%s%u: {0x%lx,0x%lx,0x%lx,"
5351 "0x%lx%016lx,0x%lx%016lx}\n",
5352 percpu_map ? "\tcpu" : "",
5353 percpu_map ? cpu : next_key,
5354 (uint64_t)v->si128a,
5355 (uint64_t)v->si128b,
5356 (uint64_t)v->bits3,
5357 (uint64_t)(v->bits80 >> 64),
5358 (uint64_t)v->bits80,
5359 (uint64_t)(v->ui128 >> 64),
5360 (uint64_t)v->ui128);
5361 }
5362 #endif
5363
5364 return nexpected_line;
5365 }
5366
check_line(const char * expected_line,int nexpected_line,int expected_line_len,const char * line)5367 static int check_line(const char *expected_line, int nexpected_line,
5368 int expected_line_len, const char *line)
5369 {
5370 if (CHECK(nexpected_line == expected_line_len,
5371 "expected_line is too long"))
5372 return -1;
5373
5374 if (strcmp(expected_line, line)) {
5375 fprintf(stderr, "unexpected pprint output\n");
5376 fprintf(stderr, "expected: %s", expected_line);
5377 fprintf(stderr, " read: %s", line);
5378 return -1;
5379 }
5380
5381 return 0;
5382 }
5383
5384
do_test_pprint(int test_num)5385 static void do_test_pprint(int test_num)
5386 {
5387 const struct btf_raw_test *test = &pprint_test_template[test_num];
5388 enum pprint_mapv_kind_t mapv_kind = test->mapv_kind;
5389 LIBBPF_OPTS(bpf_map_create_opts, opts);
5390 bool ordered_map, lossless_map, percpu_map;
5391 int err, ret, num_cpus, rounded_value_size;
5392 unsigned int key, nr_read_elems;
5393 int map_fd = -1, btf_fd = -1;
5394 unsigned int raw_btf_size;
5395 char expected_line[255];
5396 FILE *pin_file = NULL;
5397 char pin_path[255];
5398 size_t line_len = 0;
5399 char *line = NULL;
5400 void *mapv = NULL;
5401 uint8_t *raw_btf;
5402 ssize_t nread;
5403
5404 if (!test__start_subtest(test->descr))
5405 return;
5406
5407 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types,
5408 test->str_sec, test->str_sec_size,
5409 &raw_btf_size, NULL);
5410
5411 if (!raw_btf)
5412 return;
5413
5414 *btf_log_buf = '\0';
5415 btf_fd = load_raw_btf(raw_btf, raw_btf_size);
5416 free(raw_btf);
5417
5418 if (CHECK(btf_fd < 0, "errno:%d\n", errno)) {
5419 err = -1;
5420 goto done;
5421 }
5422
5423 opts.btf_fd = btf_fd;
5424 opts.btf_key_type_id = test->key_type_id;
5425 opts.btf_value_type_id = test->value_type_id;
5426 map_fd = bpf_map_create(test->map_type, test->map_name,
5427 test->key_size, test->value_size, test->max_entries, &opts);
5428 if (CHECK(map_fd < 0, "errno:%d", errno)) {
5429 err = -1;
5430 goto done;
5431 }
5432
5433 ret = snprintf(pin_path, sizeof(pin_path), "%s/%s",
5434 "/sys/fs/bpf", test->map_name);
5435
5436 if (CHECK(ret >= sizeof(pin_path), "pin_path %s/%s is too long",
5437 "/sys/fs/bpf", test->map_name)) {
5438 err = -1;
5439 goto done;
5440 }
5441
5442 err = bpf_obj_pin(map_fd, pin_path);
5443 if (CHECK(err, "bpf_obj_pin(%s): errno:%d.", pin_path, errno))
5444 goto done;
5445
5446 percpu_map = test->percpu_map;
5447 num_cpus = percpu_map ? bpf_num_possible_cpus() : 1;
5448 rounded_value_size = round_up(get_pprint_mapv_size(mapv_kind), 8);
5449 mapv = calloc(num_cpus, rounded_value_size);
5450 if (CHECK(!mapv, "mapv allocation failure")) {
5451 err = -1;
5452 goto done;
5453 }
5454
5455 for (key = 0; key < test->max_entries; key++) {
5456 set_pprint_mapv(mapv_kind, mapv, key, num_cpus, rounded_value_size);
5457 bpf_map_update_elem(map_fd, &key, mapv, 0);
5458 }
5459
5460 pin_file = fopen(pin_path, "r");
5461 if (CHECK(!pin_file, "fopen(%s): errno:%d", pin_path, errno)) {
5462 err = -1;
5463 goto done;
5464 }
5465
5466 /* Skip lines start with '#' */
5467 while ((nread = getline(&line, &line_len, pin_file)) > 0 &&
5468 *line == '#')
5469 ;
5470
5471 if (CHECK(nread <= 0, "Unexpected EOF")) {
5472 err = -1;
5473 goto done;
5474 }
5475
5476 nr_read_elems = 0;
5477 ordered_map = test->ordered_map;
5478 lossless_map = test->lossless_map;
5479 do {
5480 ssize_t nexpected_line;
5481 unsigned int next_key;
5482 void *cmapv;
5483 int cpu;
5484
5485 next_key = ordered_map ? nr_read_elems : atoi(line);
5486 set_pprint_mapv(mapv_kind, mapv, next_key, num_cpus, rounded_value_size);
5487 cmapv = mapv;
5488
5489 for (cpu = 0; cpu < num_cpus; cpu++) {
5490 if (percpu_map) {
5491 /* for percpu map, the format looks like:
5492 * <key>: {
5493 * cpu0: <value_on_cpu0>
5494 * cpu1: <value_on_cpu1>
5495 * ...
5496 * cpun: <value_on_cpun>
5497 * }
5498 *
5499 * let us verify the line containing the key here.
5500 */
5501 if (cpu == 0) {
5502 nexpected_line = snprintf(expected_line,
5503 sizeof(expected_line),
5504 "%u: {\n",
5505 next_key);
5506
5507 err = check_line(expected_line, nexpected_line,
5508 sizeof(expected_line), line);
5509 if (err < 0)
5510 goto done;
5511 }
5512
5513 /* read value@cpu */
5514 nread = getline(&line, &line_len, pin_file);
5515 if (nread < 0)
5516 break;
5517 }
5518
5519 nexpected_line = get_pprint_expected_line(mapv_kind, expected_line,
5520 sizeof(expected_line),
5521 percpu_map, next_key,
5522 cpu, cmapv);
5523 err = check_line(expected_line, nexpected_line,
5524 sizeof(expected_line), line);
5525 if (err < 0)
5526 goto done;
5527
5528 cmapv = cmapv + rounded_value_size;
5529 }
5530
5531 if (percpu_map) {
5532 /* skip the last bracket for the percpu map */
5533 nread = getline(&line, &line_len, pin_file);
5534 if (nread < 0)
5535 break;
5536 }
5537
5538 nread = getline(&line, &line_len, pin_file);
5539 } while (++nr_read_elems < test->max_entries && nread > 0);
5540
5541 if (lossless_map &&
5542 CHECK(nr_read_elems < test->max_entries,
5543 "Unexpected EOF. nr_read_elems:%u test->max_entries:%u",
5544 nr_read_elems, test->max_entries)) {
5545 err = -1;
5546 goto done;
5547 }
5548
5549 if (CHECK(nread > 0, "Unexpected extra pprint output: %s", line)) {
5550 err = -1;
5551 goto done;
5552 }
5553
5554 err = 0;
5555
5556 done:
5557 if (mapv)
5558 free(mapv);
5559 if (!err)
5560 fprintf(stderr, "OK");
5561 if (*btf_log_buf && (err || always_log))
5562 fprintf(stderr, "\n%s", btf_log_buf);
5563 if (btf_fd >= 0)
5564 close(btf_fd);
5565 if (map_fd >= 0)
5566 close(map_fd);
5567 if (pin_file)
5568 fclose(pin_file);
5569 unlink(pin_path);
5570 free(line);
5571 }
5572
test_pprint(void)5573 static void test_pprint(void)
5574 {
5575 unsigned int i;
5576
5577 /* test various maps with the first test template */
5578 for (i = 0; i < ARRAY_SIZE(pprint_tests_meta); i++) {
5579 pprint_test_template[0].descr = pprint_tests_meta[i].descr;
5580 pprint_test_template[0].map_type = pprint_tests_meta[i].map_type;
5581 pprint_test_template[0].map_name = pprint_tests_meta[i].map_name;
5582 pprint_test_template[0].ordered_map = pprint_tests_meta[i].ordered_map;
5583 pprint_test_template[0].lossless_map = pprint_tests_meta[i].lossless_map;
5584 pprint_test_template[0].percpu_map = pprint_tests_meta[i].percpu_map;
5585
5586 do_test_pprint(0);
5587 }
5588
5589 /* test rest test templates with the first map */
5590 for (i = 1; i < ARRAY_SIZE(pprint_test_template); i++) {
5591 pprint_test_template[i].descr = pprint_tests_meta[0].descr;
5592 pprint_test_template[i].map_type = pprint_tests_meta[0].map_type;
5593 pprint_test_template[i].map_name = pprint_tests_meta[0].map_name;
5594 pprint_test_template[i].ordered_map = pprint_tests_meta[0].ordered_map;
5595 pprint_test_template[i].lossless_map = pprint_tests_meta[0].lossless_map;
5596 pprint_test_template[i].percpu_map = pprint_tests_meta[0].percpu_map;
5597 do_test_pprint(i);
5598 }
5599 }
5600
5601 #define BPF_LINE_INFO_ENC(insn_off, file_off, line_off, line_num, line_col) \
5602 (insn_off), (file_off), (line_off), ((line_num) << 10 | ((line_col) & 0x3ff))
5603
5604 static struct prog_info_raw_test {
5605 const char *descr;
5606 const char *str_sec;
5607 const char *err_str;
5608 __u32 raw_types[MAX_NR_RAW_U32];
5609 __u32 str_sec_size;
5610 struct bpf_insn insns[MAX_INSNS];
5611 __u32 prog_type;
5612 __u32 func_info[MAX_SUBPROGS][2];
5613 __u32 func_info_rec_size;
5614 __u32 func_info_cnt;
5615 __u32 line_info[MAX_NR_RAW_U32];
5616 __u32 line_info_rec_size;
5617 __u32 nr_jited_ksyms;
5618 bool expected_prog_load_failure;
5619 __u32 dead_code_cnt;
5620 __u32 dead_code_mask;
5621 __u32 dead_func_cnt;
5622 __u32 dead_func_mask;
5623 } info_raw_tests[] = {
5624 {
5625 .descr = "func_type (main func + one sub)",
5626 .raw_types = {
5627 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5628 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5629 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5630 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5631 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5632 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5633 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5634 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5635 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5636 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5637 BTF_END_RAW,
5638 },
5639 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5640 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5641 .insns = {
5642 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5643 BPF_MOV64_IMM(BPF_REG_0, 1),
5644 BPF_EXIT_INSN(),
5645 BPF_MOV64_IMM(BPF_REG_0, 2),
5646 BPF_EXIT_INSN(),
5647 },
5648 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5649 .func_info = { {0, 5}, {3, 6} },
5650 .func_info_rec_size = 8,
5651 .func_info_cnt = 2,
5652 .line_info = { BTF_END_RAW },
5653 },
5654
5655 {
5656 .descr = "func_type (Incorrect func_info_rec_size)",
5657 .raw_types = {
5658 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5659 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5660 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5661 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5662 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5663 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5664 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5665 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5666 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5667 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5668 BTF_END_RAW,
5669 },
5670 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5671 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5672 .insns = {
5673 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5674 BPF_MOV64_IMM(BPF_REG_0, 1),
5675 BPF_EXIT_INSN(),
5676 BPF_MOV64_IMM(BPF_REG_0, 2),
5677 BPF_EXIT_INSN(),
5678 },
5679 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5680 .func_info = { {0, 5}, {3, 6} },
5681 .func_info_rec_size = 4,
5682 .func_info_cnt = 2,
5683 .line_info = { BTF_END_RAW },
5684 .expected_prog_load_failure = true,
5685 },
5686
5687 {
5688 .descr = "func_type (Incorrect func_info_cnt)",
5689 .raw_types = {
5690 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5691 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5692 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5693 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5694 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5695 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5696 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5697 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5698 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5699 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5700 BTF_END_RAW,
5701 },
5702 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5703 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5704 .insns = {
5705 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5706 BPF_MOV64_IMM(BPF_REG_0, 1),
5707 BPF_EXIT_INSN(),
5708 BPF_MOV64_IMM(BPF_REG_0, 2),
5709 BPF_EXIT_INSN(),
5710 },
5711 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5712 .func_info = { {0, 5}, {3, 6} },
5713 .func_info_rec_size = 8,
5714 .func_info_cnt = 1,
5715 .line_info = { BTF_END_RAW },
5716 .expected_prog_load_failure = true,
5717 },
5718
5719 {
5720 .descr = "func_type (Incorrect bpf_func_info.insn_off)",
5721 .raw_types = {
5722 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5723 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5724 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5725 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5726 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5727 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5728 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5729 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5730 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5731 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5732 BTF_END_RAW,
5733 },
5734 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5735 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5736 .insns = {
5737 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5738 BPF_MOV64_IMM(BPF_REG_0, 1),
5739 BPF_EXIT_INSN(),
5740 BPF_MOV64_IMM(BPF_REG_0, 2),
5741 BPF_EXIT_INSN(),
5742 },
5743 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5744 .func_info = { {0, 5}, {2, 6} },
5745 .func_info_rec_size = 8,
5746 .func_info_cnt = 2,
5747 .line_info = { BTF_END_RAW },
5748 .expected_prog_load_failure = true,
5749 },
5750
5751 {
5752 .descr = "line_info (No subprog)",
5753 .raw_types = {
5754 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5755 BTF_END_RAW,
5756 },
5757 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5758 .insns = {
5759 BPF_MOV64_IMM(BPF_REG_0, 1),
5760 BPF_MOV64_IMM(BPF_REG_1, 2),
5761 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5762 BPF_EXIT_INSN(),
5763 },
5764 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5765 .func_info_cnt = 0,
5766 .line_info = {
5767 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5768 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
5769 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
5770 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
5771 BTF_END_RAW,
5772 },
5773 .line_info_rec_size = sizeof(struct bpf_line_info),
5774 .nr_jited_ksyms = 1,
5775 },
5776
5777 {
5778 .descr = "line_info (No subprog. insn_off >= prog->len)",
5779 .raw_types = {
5780 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5781 BTF_END_RAW,
5782 },
5783 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5784 .insns = {
5785 BPF_MOV64_IMM(BPF_REG_0, 1),
5786 BPF_MOV64_IMM(BPF_REG_1, 2),
5787 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5788 BPF_EXIT_INSN(),
5789 },
5790 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5791 .func_info_cnt = 0,
5792 .line_info = {
5793 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5794 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
5795 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
5796 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
5797 BPF_LINE_INFO_ENC(4, 0, 0, 5, 6),
5798 BTF_END_RAW,
5799 },
5800 .line_info_rec_size = sizeof(struct bpf_line_info),
5801 .nr_jited_ksyms = 1,
5802 .err_str = "line_info[4].insn_off",
5803 .expected_prog_load_failure = true,
5804 },
5805
5806 {
5807 .descr = "line_info (Zero bpf insn code)",
5808 .raw_types = {
5809 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5810 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), /* [2] */
5811 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [3] */
5812 BTF_END_RAW,
5813 },
5814 BTF_STR_SEC("\0int\0unsigned long\0u64\0u64 a=1;\0return a;"),
5815 .insns = {
5816 BPF_LD_IMM64(BPF_REG_0, 1),
5817 BPF_EXIT_INSN(),
5818 },
5819 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5820 .func_info_cnt = 0,
5821 .line_info = {
5822 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5823 BPF_LINE_INFO_ENC(1, 0, 0, 2, 9),
5824 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
5825 BTF_END_RAW,
5826 },
5827 .line_info_rec_size = sizeof(struct bpf_line_info),
5828 .nr_jited_ksyms = 1,
5829 .err_str = "Invalid insn code at line_info[1]",
5830 .expected_prog_load_failure = true,
5831 },
5832
5833 {
5834 .descr = "line_info (No subprog. zero tailing line_info",
5835 .raw_types = {
5836 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5837 BTF_END_RAW,
5838 },
5839 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5840 .insns = {
5841 BPF_MOV64_IMM(BPF_REG_0, 1),
5842 BPF_MOV64_IMM(BPF_REG_1, 2),
5843 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5844 BPF_EXIT_INSN(),
5845 },
5846 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5847 .func_info_cnt = 0,
5848 .line_info = {
5849 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0,
5850 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0,
5851 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0,
5852 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 0,
5853 BTF_END_RAW,
5854 },
5855 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32),
5856 .nr_jited_ksyms = 1,
5857 },
5858
5859 {
5860 .descr = "line_info (No subprog. nonzero tailing line_info)",
5861 .raw_types = {
5862 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5863 BTF_END_RAW,
5864 },
5865 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5866 .insns = {
5867 BPF_MOV64_IMM(BPF_REG_0, 1),
5868 BPF_MOV64_IMM(BPF_REG_1, 2),
5869 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5870 BPF_EXIT_INSN(),
5871 },
5872 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5873 .func_info_cnt = 0,
5874 .line_info = {
5875 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0,
5876 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0,
5877 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0,
5878 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 1,
5879 BTF_END_RAW,
5880 },
5881 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32),
5882 .nr_jited_ksyms = 1,
5883 .err_str = "nonzero tailing record in line_info",
5884 .expected_prog_load_failure = true,
5885 },
5886
5887 {
5888 .descr = "line_info (subprog)",
5889 .raw_types = {
5890 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5891 BTF_END_RAW,
5892 },
5893 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
5894 .insns = {
5895 BPF_MOV64_IMM(BPF_REG_2, 1),
5896 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
5897 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
5898 BPF_CALL_REL(1),
5899 BPF_EXIT_INSN(),
5900 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
5901 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
5902 BPF_EXIT_INSN(),
5903 },
5904 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5905 .func_info_cnt = 0,
5906 .line_info = {
5907 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5908 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
5909 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
5910 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
5911 BTF_END_RAW,
5912 },
5913 .line_info_rec_size = sizeof(struct bpf_line_info),
5914 .nr_jited_ksyms = 2,
5915 },
5916
5917 {
5918 .descr = "line_info (subprog + func_info)",
5919 .raw_types = {
5920 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5921 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
5922 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5923 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
5924 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
5925 BTF_END_RAW,
5926 },
5927 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
5928 .insns = {
5929 BPF_MOV64_IMM(BPF_REG_2, 1),
5930 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
5931 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
5932 BPF_CALL_REL(1),
5933 BPF_EXIT_INSN(),
5934 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
5935 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
5936 BPF_EXIT_INSN(),
5937 },
5938 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5939 .func_info_cnt = 2,
5940 .func_info_rec_size = 8,
5941 .func_info = { {0, 4}, {5, 3} },
5942 .line_info = {
5943 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5944 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
5945 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
5946 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
5947 BTF_END_RAW,
5948 },
5949 .line_info_rec_size = sizeof(struct bpf_line_info),
5950 .nr_jited_ksyms = 2,
5951 },
5952
5953 {
5954 .descr = "line_info (subprog. missing 1st func line info)",
5955 .raw_types = {
5956 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5957 BTF_END_RAW,
5958 },
5959 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
5960 .insns = {
5961 BPF_MOV64_IMM(BPF_REG_2, 1),
5962 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
5963 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
5964 BPF_CALL_REL(1),
5965 BPF_EXIT_INSN(),
5966 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
5967 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
5968 BPF_EXIT_INSN(),
5969 },
5970 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5971 .func_info_cnt = 0,
5972 .line_info = {
5973 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 1, 10),
5974 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
5975 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
5976 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
5977 BTF_END_RAW,
5978 },
5979 .line_info_rec_size = sizeof(struct bpf_line_info),
5980 .nr_jited_ksyms = 2,
5981 .err_str = "missing bpf_line_info for func#0",
5982 .expected_prog_load_failure = true,
5983 },
5984
5985 {
5986 .descr = "line_info (subprog. missing 2nd func line info)",
5987 .raw_types = {
5988 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5989 BTF_END_RAW,
5990 },
5991 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
5992 .insns = {
5993 BPF_MOV64_IMM(BPF_REG_2, 1),
5994 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
5995 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
5996 BPF_CALL_REL(1),
5997 BPF_EXIT_INSN(),
5998 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
5999 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6000 BPF_EXIT_INSN(),
6001 },
6002 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6003 .func_info_cnt = 0,
6004 .line_info = {
6005 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6006 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
6007 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 3, 8),
6008 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
6009 BTF_END_RAW,
6010 },
6011 .line_info_rec_size = sizeof(struct bpf_line_info),
6012 .nr_jited_ksyms = 2,
6013 .err_str = "missing bpf_line_info for func#1",
6014 .expected_prog_load_failure = true,
6015 },
6016
6017 {
6018 .descr = "line_info (subprog. unordered insn offset)",
6019 .raw_types = {
6020 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6021 BTF_END_RAW,
6022 },
6023 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
6024 .insns = {
6025 BPF_MOV64_IMM(BPF_REG_2, 1),
6026 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
6027 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
6028 BPF_CALL_REL(1),
6029 BPF_EXIT_INSN(),
6030 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
6031 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6032 BPF_EXIT_INSN(),
6033 },
6034 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6035 .func_info_cnt = 0,
6036 .line_info = {
6037 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6038 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 2, 9),
6039 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
6040 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
6041 BTF_END_RAW,
6042 },
6043 .line_info_rec_size = sizeof(struct bpf_line_info),
6044 .nr_jited_ksyms = 2,
6045 .err_str = "Invalid line_info[2].insn_off",
6046 .expected_prog_load_failure = true,
6047 },
6048
6049 {
6050 .descr = "line_info (dead start)",
6051 .raw_types = {
6052 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6053 BTF_END_RAW,
6054 },
6055 BTF_STR_SEC("\0int\0/* dead jmp */\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
6056 .insns = {
6057 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6058 BPF_MOV64_IMM(BPF_REG_0, 1),
6059 BPF_MOV64_IMM(BPF_REG_1, 2),
6060 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
6061 BPF_EXIT_INSN(),
6062 },
6063 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6064 .func_info_cnt = 0,
6065 .line_info = {
6066 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6067 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
6068 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
6069 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
6070 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 6),
6071 BTF_END_RAW,
6072 },
6073 .line_info_rec_size = sizeof(struct bpf_line_info),
6074 .nr_jited_ksyms = 1,
6075 .dead_code_cnt = 1,
6076 .dead_code_mask = 0x01,
6077 },
6078
6079 {
6080 .descr = "line_info (dead end)",
6081 .raw_types = {
6082 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6083 BTF_END_RAW,
6084 },
6085 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0/* dead jmp */\0return a + b;\0/* dead exit */"),
6086 .insns = {
6087 BPF_MOV64_IMM(BPF_REG_0, 1),
6088 BPF_MOV64_IMM(BPF_REG_1, 2),
6089 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
6090 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
6091 BPF_EXIT_INSN(),
6092 BPF_EXIT_INSN(),
6093 },
6094 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6095 .func_info_cnt = 0,
6096 .line_info = {
6097 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 12),
6098 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 11),
6099 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 10),
6100 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 9),
6101 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 8),
6102 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 6, 7),
6103 BTF_END_RAW,
6104 },
6105 .line_info_rec_size = sizeof(struct bpf_line_info),
6106 .nr_jited_ksyms = 1,
6107 .dead_code_cnt = 2,
6108 .dead_code_mask = 0x28,
6109 },
6110
6111 {
6112 .descr = "line_info (dead code + subprog + func_info)",
6113 .raw_types = {
6114 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6115 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6116 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6117 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6118 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6119 BTF_END_RAW,
6120 },
6121 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0/* dead jmp */"
6122 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
6123 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
6124 "\0return func(a);\0b+=1;\0return b;"),
6125 .insns = {
6126 BPF_MOV64_IMM(BPF_REG_2, 1),
6127 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
6128 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
6129 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 8),
6130 BPF_MOV64_IMM(BPF_REG_2, 1),
6131 BPF_MOV64_IMM(BPF_REG_2, 1),
6132 BPF_MOV64_IMM(BPF_REG_2, 1),
6133 BPF_MOV64_IMM(BPF_REG_2, 1),
6134 BPF_MOV64_IMM(BPF_REG_2, 1),
6135 BPF_MOV64_IMM(BPF_REG_2, 1),
6136 BPF_MOV64_IMM(BPF_REG_2, 1),
6137 BPF_MOV64_IMM(BPF_REG_2, 1),
6138 BPF_CALL_REL(1),
6139 BPF_EXIT_INSN(),
6140 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
6141 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6142 BPF_EXIT_INSN(),
6143 },
6144 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6145 .func_info_cnt = 2,
6146 .func_info_rec_size = 8,
6147 .func_info = { {0, 4}, {14, 3} },
6148 .line_info = {
6149 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6150 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6151 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6152 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6153 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6154 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6155 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6156 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6157 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
6158 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
6159 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
6160 BPF_LINE_INFO_ENC(14, 0, NAME_TBD, 3, 8),
6161 BPF_LINE_INFO_ENC(16, 0, NAME_TBD, 4, 7),
6162 BTF_END_RAW,
6163 },
6164 .line_info_rec_size = sizeof(struct bpf_line_info),
6165 .nr_jited_ksyms = 2,
6166 .dead_code_cnt = 9,
6167 .dead_code_mask = 0x3fe,
6168 },
6169
6170 {
6171 .descr = "line_info (dead subprog)",
6172 .raw_types = {
6173 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6174 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6175 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6176 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6177 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6178 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6179 BTF_END_RAW,
6180 },
6181 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
6182 "\0return 0;\0return 0;\0/* dead */\0/* dead */"
6183 "\0/* dead */\0return bla + 1;\0return bla + 1;"
6184 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
6185 .insns = {
6186 BPF_MOV64_IMM(BPF_REG_2, 1),
6187 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6188 BPF_CALL_REL(3),
6189 BPF_CALL_REL(5),
6190 BPF_MOV64_IMM(BPF_REG_0, 0),
6191 BPF_EXIT_INSN(),
6192 BPF_MOV64_IMM(BPF_REG_0, 0),
6193 BPF_CALL_REL(1),
6194 BPF_EXIT_INSN(),
6195 BPF_MOV64_REG(BPF_REG_0, 2),
6196 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6197 BPF_EXIT_INSN(),
6198 },
6199 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6200 .func_info_cnt = 3,
6201 .func_info_rec_size = 8,
6202 .func_info = { {0, 4}, {6, 3}, {9, 5} },
6203 .line_info = {
6204 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6205 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6206 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6207 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6208 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6209 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6210 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6211 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6212 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
6213 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
6214 BTF_END_RAW,
6215 },
6216 .line_info_rec_size = sizeof(struct bpf_line_info),
6217 .nr_jited_ksyms = 2,
6218 .dead_code_cnt = 3,
6219 .dead_code_mask = 0x70,
6220 .dead_func_cnt = 1,
6221 .dead_func_mask = 0x2,
6222 },
6223
6224 {
6225 .descr = "line_info (dead last subprog)",
6226 .raw_types = {
6227 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6228 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6229 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6230 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6231 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6232 BTF_END_RAW,
6233 },
6234 BTF_STR_SEC("\0int\0x\0dead\0main\0int a=1+1;\0/* live call */"
6235 "\0return 0;\0/* dead */\0/* dead */"),
6236 .insns = {
6237 BPF_MOV64_IMM(BPF_REG_2, 1),
6238 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6239 BPF_CALL_REL(2),
6240 BPF_MOV64_IMM(BPF_REG_0, 0),
6241 BPF_EXIT_INSN(),
6242 BPF_MOV64_IMM(BPF_REG_0, 0),
6243 BPF_EXIT_INSN(),
6244 },
6245 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6246 .func_info_cnt = 2,
6247 .func_info_rec_size = 8,
6248 .func_info = { {0, 4}, {5, 3} },
6249 .line_info = {
6250 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6251 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6252 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6253 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6254 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6255 BTF_END_RAW,
6256 },
6257 .line_info_rec_size = sizeof(struct bpf_line_info),
6258 .nr_jited_ksyms = 1,
6259 .dead_code_cnt = 2,
6260 .dead_code_mask = 0x18,
6261 .dead_func_cnt = 1,
6262 .dead_func_mask = 0x2,
6263 },
6264
6265 {
6266 .descr = "line_info (dead subprog + dead start)",
6267 .raw_types = {
6268 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6269 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6270 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6271 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6272 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6273 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6274 BTF_END_RAW,
6275 },
6276 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* dead */"
6277 "\0return 0;\0return 0;\0return 0;"
6278 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
6279 "\0return b + 1;\0return b + 1;\0return b + 1;"),
6280 .insns = {
6281 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6282 BPF_MOV64_IMM(BPF_REG_2, 1),
6283 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6284 BPF_CALL_REL(3),
6285 BPF_CALL_REL(5),
6286 BPF_MOV64_IMM(BPF_REG_0, 0),
6287 BPF_EXIT_INSN(),
6288 BPF_MOV64_IMM(BPF_REG_0, 0),
6289 BPF_CALL_REL(1),
6290 BPF_EXIT_INSN(),
6291 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6292 BPF_MOV64_REG(BPF_REG_0, 2),
6293 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6294 BPF_EXIT_INSN(),
6295 },
6296 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6297 .func_info_cnt = 3,
6298 .func_info_rec_size = 8,
6299 .func_info = { {0, 4}, {7, 3}, {10, 5} },
6300 .line_info = {
6301 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6302 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6303 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6304 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6305 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6306 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6307 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6308 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6309 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
6310 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
6311 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
6312 BPF_LINE_INFO_ENC(13, 0, NAME_TBD, 2, 9),
6313 BTF_END_RAW,
6314 },
6315 .line_info_rec_size = sizeof(struct bpf_line_info),
6316 .nr_jited_ksyms = 2,
6317 .dead_code_cnt = 5,
6318 .dead_code_mask = 0x1e2,
6319 .dead_func_cnt = 1,
6320 .dead_func_mask = 0x2,
6321 },
6322
6323 {
6324 .descr = "line_info (dead subprog + dead start w/ move)",
6325 .raw_types = {
6326 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6327 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6328 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6329 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6330 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6331 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6332 BTF_END_RAW,
6333 },
6334 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
6335 "\0return 0;\0return 0;\0/* dead */\0/* dead */"
6336 "\0/* dead */\0return bla + 1;\0return bla + 1;"
6337 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
6338 .insns = {
6339 BPF_MOV64_IMM(BPF_REG_2, 1),
6340 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6341 BPF_CALL_REL(3),
6342 BPF_CALL_REL(5),
6343 BPF_MOV64_IMM(BPF_REG_0, 0),
6344 BPF_EXIT_INSN(),
6345 BPF_MOV64_IMM(BPF_REG_0, 0),
6346 BPF_CALL_REL(1),
6347 BPF_EXIT_INSN(),
6348 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6349 BPF_MOV64_REG(BPF_REG_0, 2),
6350 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6351 BPF_EXIT_INSN(),
6352 },
6353 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6354 .func_info_cnt = 3,
6355 .func_info_rec_size = 8,
6356 .func_info = { {0, 4}, {6, 3}, {9, 5} },
6357 .line_info = {
6358 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6359 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6360 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6361 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6362 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6363 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6364 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6365 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6366 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 1, 10),
6367 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
6368 BTF_END_RAW,
6369 },
6370 .line_info_rec_size = sizeof(struct bpf_line_info),
6371 .nr_jited_ksyms = 2,
6372 .dead_code_cnt = 3,
6373 .dead_code_mask = 0x70,
6374 .dead_func_cnt = 1,
6375 .dead_func_mask = 0x2,
6376 },
6377
6378 {
6379 .descr = "line_info (dead end + subprog start w/ no linfo)",
6380 .raw_types = {
6381 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6382 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6383 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6384 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6385 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6386 BTF_END_RAW,
6387 },
6388 BTF_STR_SEC("\0int\0x\0main\0func\0/* main linfo */\0/* func linfo */"),
6389 .insns = {
6390 BPF_MOV64_IMM(BPF_REG_0, 0),
6391 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 1, 3),
6392 BPF_CALL_REL(3),
6393 BPF_MOV64_IMM(BPF_REG_0, 0),
6394 BPF_EXIT_INSN(),
6395 BPF_EXIT_INSN(),
6396 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6397 BPF_EXIT_INSN(),
6398 },
6399 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6400 .func_info_cnt = 2,
6401 .func_info_rec_size = 8,
6402 .func_info = { {0, 3}, {6, 4}, },
6403 .line_info = {
6404 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6405 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6406 BTF_END_RAW,
6407 },
6408 .line_info_rec_size = sizeof(struct bpf_line_info),
6409 .nr_jited_ksyms = 2,
6410 },
6411
6412 };
6413
probe_prog_length(const struct bpf_insn * fp)6414 static size_t probe_prog_length(const struct bpf_insn *fp)
6415 {
6416 size_t len;
6417
6418 for (len = MAX_INSNS - 1; len > 0; --len)
6419 if (fp[len].code != 0 || fp[len].imm != 0)
6420 break;
6421 return len + 1;
6422 }
6423
patch_name_tbd(const __u32 * raw_u32,const char * str,__u32 str_off,unsigned int str_sec_size,unsigned int * ret_size)6424 static __u32 *patch_name_tbd(const __u32 *raw_u32,
6425 const char *str, __u32 str_off,
6426 unsigned int str_sec_size,
6427 unsigned int *ret_size)
6428 {
6429 int i, raw_u32_size = get_raw_sec_size(raw_u32);
6430 const char *end_str = str + str_sec_size;
6431 const char *next_str = str + str_off;
6432 __u32 *new_u32 = NULL;
6433
6434 if (raw_u32_size == -1)
6435 return ERR_PTR(-EINVAL);
6436
6437 if (!raw_u32_size) {
6438 *ret_size = 0;
6439 return NULL;
6440 }
6441
6442 new_u32 = malloc(raw_u32_size);
6443 if (!new_u32)
6444 return ERR_PTR(-ENOMEM);
6445
6446 for (i = 0; i < raw_u32_size / sizeof(raw_u32[0]); i++) {
6447 if (raw_u32[i] == NAME_TBD) {
6448 next_str = get_next_str(next_str, end_str);
6449 if (CHECK(!next_str, "Error in getting next_str\n")) {
6450 free(new_u32);
6451 return ERR_PTR(-EINVAL);
6452 }
6453 new_u32[i] = next_str - str;
6454 next_str += strlen(next_str);
6455 } else {
6456 new_u32[i] = raw_u32[i];
6457 }
6458 }
6459
6460 *ret_size = raw_u32_size;
6461 return new_u32;
6462 }
6463
test_get_finfo(const struct prog_info_raw_test * test,int prog_fd)6464 static int test_get_finfo(const struct prog_info_raw_test *test,
6465 int prog_fd)
6466 {
6467 struct bpf_prog_info info = {};
6468 struct bpf_func_info *finfo;
6469 __u32 info_len, rec_size, i;
6470 void *func_info = NULL;
6471 __u32 nr_func_info;
6472 int err;
6473
6474 /* get necessary lens */
6475 info_len = sizeof(struct bpf_prog_info);
6476 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6477 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) {
6478 fprintf(stderr, "%s\n", btf_log_buf);
6479 return -1;
6480 }
6481 nr_func_info = test->func_info_cnt - test->dead_func_cnt;
6482 if (CHECK(info.nr_func_info != nr_func_info,
6483 "incorrect info.nr_func_info (1st) %d",
6484 info.nr_func_info)) {
6485 return -1;
6486 }
6487
6488 rec_size = info.func_info_rec_size;
6489 if (CHECK(rec_size != sizeof(struct bpf_func_info),
6490 "incorrect info.func_info_rec_size (1st) %d", rec_size)) {
6491 return -1;
6492 }
6493
6494 if (!info.nr_func_info)
6495 return 0;
6496
6497 func_info = malloc(info.nr_func_info * rec_size);
6498 if (CHECK(!func_info, "out of memory"))
6499 return -1;
6500
6501 /* reset info to only retrieve func_info related data */
6502 memset(&info, 0, sizeof(info));
6503 info.nr_func_info = nr_func_info;
6504 info.func_info_rec_size = rec_size;
6505 info.func_info = ptr_to_u64(func_info);
6506 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6507 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) {
6508 fprintf(stderr, "%s\n", btf_log_buf);
6509 err = -1;
6510 goto done;
6511 }
6512 if (CHECK(info.nr_func_info != nr_func_info,
6513 "incorrect info.nr_func_info (2nd) %d",
6514 info.nr_func_info)) {
6515 err = -1;
6516 goto done;
6517 }
6518 if (CHECK(info.func_info_rec_size != rec_size,
6519 "incorrect info.func_info_rec_size (2nd) %d",
6520 info.func_info_rec_size)) {
6521 err = -1;
6522 goto done;
6523 }
6524
6525 finfo = func_info;
6526 for (i = 0; i < nr_func_info; i++) {
6527 if (test->dead_func_mask & (1 << i))
6528 continue;
6529 if (CHECK(finfo->type_id != test->func_info[i][1],
6530 "incorrect func_type %u expected %u",
6531 finfo->type_id, test->func_info[i][1])) {
6532 err = -1;
6533 goto done;
6534 }
6535 finfo = (void *)finfo + rec_size;
6536 }
6537
6538 err = 0;
6539
6540 done:
6541 free(func_info);
6542 return err;
6543 }
6544
test_get_linfo(const struct prog_info_raw_test * test,const void * patched_linfo,__u32 cnt,int prog_fd)6545 static int test_get_linfo(const struct prog_info_raw_test *test,
6546 const void *patched_linfo,
6547 __u32 cnt, int prog_fd)
6548 {
6549 __u32 i, info_len, nr_jited_ksyms, nr_jited_func_lens;
6550 __u64 *jited_linfo = NULL, *jited_ksyms = NULL;
6551 __u32 rec_size, jited_rec_size, jited_cnt;
6552 struct bpf_line_info *linfo = NULL;
6553 __u32 cur_func_len, ksyms_found;
6554 struct bpf_prog_info info = {};
6555 __u32 *jited_func_lens = NULL;
6556 __u64 cur_func_ksyms;
6557 __u32 dead_insns;
6558 int err;
6559
6560 jited_cnt = cnt;
6561 rec_size = sizeof(*linfo);
6562 jited_rec_size = sizeof(*jited_linfo);
6563 if (test->nr_jited_ksyms)
6564 nr_jited_ksyms = test->nr_jited_ksyms;
6565 else
6566 nr_jited_ksyms = test->func_info_cnt - test->dead_func_cnt;
6567 nr_jited_func_lens = nr_jited_ksyms;
6568
6569 info_len = sizeof(struct bpf_prog_info);
6570 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6571 if (CHECK(err < 0, "err:%d errno:%d", err, errno)) {
6572 err = -1;
6573 goto done;
6574 }
6575
6576 if (!info.jited_prog_len) {
6577 /* prog is not jited */
6578 jited_cnt = 0;
6579 nr_jited_ksyms = 1;
6580 nr_jited_func_lens = 1;
6581 }
6582
6583 if (CHECK(info.nr_line_info != cnt ||
6584 info.nr_jited_line_info != jited_cnt ||
6585 info.nr_jited_ksyms != nr_jited_ksyms ||
6586 info.nr_jited_func_lens != nr_jited_func_lens ||
6587 (!info.nr_line_info && info.nr_jited_line_info),
6588 "info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) nr_jited_ksyms:%u(expected:%u) nr_jited_func_lens:%u(expected:%u)",
6589 info.nr_line_info, cnt,
6590 info.nr_jited_line_info, jited_cnt,
6591 info.nr_jited_ksyms, nr_jited_ksyms,
6592 info.nr_jited_func_lens, nr_jited_func_lens)) {
6593 err = -1;
6594 goto done;
6595 }
6596
6597 if (CHECK(info.line_info_rec_size != sizeof(struct bpf_line_info) ||
6598 info.jited_line_info_rec_size != sizeof(__u64),
6599 "info: line_info_rec_size:%u(userspace expected:%u) jited_line_info_rec_size:%u(userspace expected:%u)",
6600 info.line_info_rec_size, rec_size,
6601 info.jited_line_info_rec_size, jited_rec_size)) {
6602 err = -1;
6603 goto done;
6604 }
6605
6606 if (!cnt)
6607 return 0;
6608
6609 rec_size = info.line_info_rec_size;
6610 jited_rec_size = info.jited_line_info_rec_size;
6611
6612 memset(&info, 0, sizeof(info));
6613
6614 linfo = calloc(cnt, rec_size);
6615 if (CHECK(!linfo, "!linfo")) {
6616 err = -1;
6617 goto done;
6618 }
6619 info.nr_line_info = cnt;
6620 info.line_info_rec_size = rec_size;
6621 info.line_info = ptr_to_u64(linfo);
6622
6623 if (jited_cnt) {
6624 jited_linfo = calloc(jited_cnt, jited_rec_size);
6625 jited_ksyms = calloc(nr_jited_ksyms, sizeof(*jited_ksyms));
6626 jited_func_lens = calloc(nr_jited_func_lens,
6627 sizeof(*jited_func_lens));
6628 if (CHECK(!jited_linfo || !jited_ksyms || !jited_func_lens,
6629 "jited_linfo:%p jited_ksyms:%p jited_func_lens:%p",
6630 jited_linfo, jited_ksyms, jited_func_lens)) {
6631 err = -1;
6632 goto done;
6633 }
6634
6635 info.nr_jited_line_info = jited_cnt;
6636 info.jited_line_info_rec_size = jited_rec_size;
6637 info.jited_line_info = ptr_to_u64(jited_linfo);
6638 info.nr_jited_ksyms = nr_jited_ksyms;
6639 info.jited_ksyms = ptr_to_u64(jited_ksyms);
6640 info.nr_jited_func_lens = nr_jited_func_lens;
6641 info.jited_func_lens = ptr_to_u64(jited_func_lens);
6642 }
6643
6644 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6645
6646 /*
6647 * Only recheck the info.*line_info* fields.
6648 * Other fields are not the concern of this test.
6649 */
6650 if (CHECK(err < 0 ||
6651 info.nr_line_info != cnt ||
6652 (jited_cnt && !info.jited_line_info) ||
6653 info.nr_jited_line_info != jited_cnt ||
6654 info.line_info_rec_size != rec_size ||
6655 info.jited_line_info_rec_size != jited_rec_size,
6656 "err:%d errno:%d info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) line_info_rec_size:%u(expected:%u) jited_linfo_rec_size:%u(expected:%u) line_info:%p jited_line_info:%p",
6657 err, errno,
6658 info.nr_line_info, cnt,
6659 info.nr_jited_line_info, jited_cnt,
6660 info.line_info_rec_size, rec_size,
6661 info.jited_line_info_rec_size, jited_rec_size,
6662 (void *)(long)info.line_info,
6663 (void *)(long)info.jited_line_info)) {
6664 err = -1;
6665 goto done;
6666 }
6667
6668 dead_insns = 0;
6669 while (test->dead_code_mask & (1 << dead_insns))
6670 dead_insns++;
6671
6672 CHECK(linfo[0].insn_off, "linfo[0].insn_off:%u",
6673 linfo[0].insn_off);
6674 for (i = 1; i < cnt; i++) {
6675 const struct bpf_line_info *expected_linfo;
6676
6677 while (test->dead_code_mask & (1 << (i + dead_insns)))
6678 dead_insns++;
6679
6680 expected_linfo = patched_linfo +
6681 ((i + dead_insns) * test->line_info_rec_size);
6682 if (CHECK(linfo[i].insn_off <= linfo[i - 1].insn_off,
6683 "linfo[%u].insn_off:%u <= linfo[%u].insn_off:%u",
6684 i, linfo[i].insn_off,
6685 i - 1, linfo[i - 1].insn_off)) {
6686 err = -1;
6687 goto done;
6688 }
6689 if (CHECK(linfo[i].file_name_off != expected_linfo->file_name_off ||
6690 linfo[i].line_off != expected_linfo->line_off ||
6691 linfo[i].line_col != expected_linfo->line_col,
6692 "linfo[%u] (%u, %u, %u) != (%u, %u, %u)", i,
6693 linfo[i].file_name_off,
6694 linfo[i].line_off,
6695 linfo[i].line_col,
6696 expected_linfo->file_name_off,
6697 expected_linfo->line_off,
6698 expected_linfo->line_col)) {
6699 err = -1;
6700 goto done;
6701 }
6702 }
6703
6704 if (!jited_cnt) {
6705 fprintf(stderr, "not jited. skipping jited_line_info check. ");
6706 err = 0;
6707 goto done;
6708 }
6709
6710 if (CHECK(jited_linfo[0] != jited_ksyms[0],
6711 "jited_linfo[0]:%lx != jited_ksyms[0]:%lx",
6712 (long)(jited_linfo[0]), (long)(jited_ksyms[0]))) {
6713 err = -1;
6714 goto done;
6715 }
6716
6717 ksyms_found = 1;
6718 cur_func_len = jited_func_lens[0];
6719 cur_func_ksyms = jited_ksyms[0];
6720 for (i = 1; i < jited_cnt; i++) {
6721 if (ksyms_found < nr_jited_ksyms &&
6722 jited_linfo[i] == jited_ksyms[ksyms_found]) {
6723 cur_func_ksyms = jited_ksyms[ksyms_found];
6724 cur_func_len = jited_ksyms[ksyms_found];
6725 ksyms_found++;
6726 continue;
6727 }
6728
6729 if (CHECK(jited_linfo[i] <= jited_linfo[i - 1],
6730 "jited_linfo[%u]:%lx <= jited_linfo[%u]:%lx",
6731 i, (long)jited_linfo[i],
6732 i - 1, (long)(jited_linfo[i - 1]))) {
6733 err = -1;
6734 goto done;
6735 }
6736
6737 if (CHECK(jited_linfo[i] - cur_func_ksyms > cur_func_len,
6738 "jited_linfo[%u]:%lx - %lx > %u",
6739 i, (long)jited_linfo[i], (long)cur_func_ksyms,
6740 cur_func_len)) {
6741 err = -1;
6742 goto done;
6743 }
6744 }
6745
6746 if (CHECK(ksyms_found != nr_jited_ksyms,
6747 "ksyms_found:%u != nr_jited_ksyms:%u",
6748 ksyms_found, nr_jited_ksyms)) {
6749 err = -1;
6750 goto done;
6751 }
6752
6753 err = 0;
6754
6755 done:
6756 free(linfo);
6757 free(jited_linfo);
6758 free(jited_ksyms);
6759 free(jited_func_lens);
6760 return err;
6761 }
6762
do_test_info_raw(unsigned int test_num)6763 static void do_test_info_raw(unsigned int test_num)
6764 {
6765 const struct prog_info_raw_test *test = &info_raw_tests[test_num - 1];
6766 unsigned int raw_btf_size, linfo_str_off, linfo_size = 0;
6767 int btf_fd = -1, prog_fd = -1, err = 0;
6768 void *raw_btf, *patched_linfo = NULL;
6769 const char *ret_next_str;
6770 union bpf_attr attr = {};
6771
6772 if (!test__start_subtest(test->descr))
6773 return;
6774
6775 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types,
6776 test->str_sec, test->str_sec_size,
6777 &raw_btf_size, &ret_next_str);
6778 if (!raw_btf)
6779 return;
6780
6781 *btf_log_buf = '\0';
6782 btf_fd = load_raw_btf(raw_btf, raw_btf_size);
6783 free(raw_btf);
6784
6785 if (CHECK(btf_fd < 0, "invalid btf_fd errno:%d", errno)) {
6786 err = -1;
6787 goto done;
6788 }
6789
6790 if (*btf_log_buf && always_log)
6791 fprintf(stderr, "\n%s", btf_log_buf);
6792 *btf_log_buf = '\0';
6793
6794 linfo_str_off = ret_next_str - test->str_sec;
6795 patched_linfo = patch_name_tbd(test->line_info,
6796 test->str_sec, linfo_str_off,
6797 test->str_sec_size, &linfo_size);
6798 err = libbpf_get_error(patched_linfo);
6799 if (err) {
6800 fprintf(stderr, "error in creating raw bpf_line_info");
6801 err = -1;
6802 goto done;
6803 }
6804
6805 attr.prog_type = test->prog_type;
6806 attr.insns = ptr_to_u64(test->insns);
6807 attr.insn_cnt = probe_prog_length(test->insns);
6808 attr.license = ptr_to_u64("GPL");
6809 attr.prog_btf_fd = btf_fd;
6810 attr.func_info_rec_size = test->func_info_rec_size;
6811 attr.func_info_cnt = test->func_info_cnt;
6812 attr.func_info = ptr_to_u64(test->func_info);
6813 attr.log_buf = ptr_to_u64(btf_log_buf);
6814 attr.log_size = BTF_LOG_BUF_SIZE;
6815 attr.log_level = 1;
6816 if (linfo_size) {
6817 attr.line_info_rec_size = test->line_info_rec_size;
6818 attr.line_info = ptr_to_u64(patched_linfo);
6819 attr.line_info_cnt = linfo_size / attr.line_info_rec_size;
6820 }
6821
6822 prog_fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
6823 err = ((prog_fd < 0) != test->expected_prog_load_failure);
6824 if (CHECK(err, "prog_fd:%d expected_prog_load_failure:%u errno:%d",
6825 prog_fd, test->expected_prog_load_failure, errno) ||
6826 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str),
6827 "expected err_str:%s", test->err_str)) {
6828 err = -1;
6829 goto done;
6830 }
6831
6832 if (prog_fd < 0)
6833 goto done;
6834
6835 err = test_get_finfo(test, prog_fd);
6836 if (err)
6837 goto done;
6838
6839 err = test_get_linfo(test, patched_linfo,
6840 attr.line_info_cnt - test->dead_code_cnt,
6841 prog_fd);
6842 if (err)
6843 goto done;
6844
6845 done:
6846 if (*btf_log_buf && (err || always_log))
6847 fprintf(stderr, "\n%s", btf_log_buf);
6848
6849 if (btf_fd >= 0)
6850 close(btf_fd);
6851 if (prog_fd >= 0)
6852 close(prog_fd);
6853
6854 if (!libbpf_get_error(patched_linfo))
6855 free(patched_linfo);
6856 }
6857
6858 struct btf_raw_data {
6859 __u32 raw_types[MAX_NR_RAW_U32];
6860 const char *str_sec;
6861 __u32 str_sec_size;
6862 };
6863
6864 struct btf_dedup_test {
6865 const char *descr;
6866 struct btf_raw_data input;
6867 struct btf_raw_data expect;
6868 struct btf_dedup_opts opts;
6869 };
6870
6871 static struct btf_dedup_test dedup_tests[] = {
6872
6873 {
6874 .descr = "dedup: unused strings filtering",
6875 .input = {
6876 .raw_types = {
6877 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 4),
6878 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 64, 8),
6879 BTF_END_RAW,
6880 },
6881 BTF_STR_SEC("\0unused\0int\0foo\0bar\0long"),
6882 },
6883 .expect = {
6884 .raw_types = {
6885 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
6886 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
6887 BTF_END_RAW,
6888 },
6889 BTF_STR_SEC("\0int\0long"),
6890 },
6891 },
6892 {
6893 .descr = "dedup: strings deduplication",
6894 .input = {
6895 .raw_types = {
6896 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
6897 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
6898 BTF_TYPE_INT_ENC(NAME_NTH(3), BTF_INT_SIGNED, 0, 32, 4),
6899 BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 64, 8),
6900 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4),
6901 BTF_END_RAW,
6902 },
6903 BTF_STR_SEC("\0int\0long int\0int\0long int\0int"),
6904 },
6905 .expect = {
6906 .raw_types = {
6907 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
6908 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
6909 BTF_END_RAW,
6910 },
6911 BTF_STR_SEC("\0int\0long int"),
6912 },
6913 },
6914 {
6915 .descr = "dedup: struct example #1",
6916 /*
6917 * struct s {
6918 * struct s *next;
6919 * const int *a;
6920 * int b[16];
6921 * int c;
6922 * }
6923 */
6924 .input = {
6925 .raw_types = {
6926 /* int */
6927 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6928 /* int[16] */
6929 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */
6930 /* struct s { */
6931 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [3] */
6932 BTF_MEMBER_ENC(NAME_NTH(3), 4, 0), /* struct s *next; */
6933 BTF_MEMBER_ENC(NAME_NTH(4), 5, 64), /* const int *a; */
6934 BTF_MEMBER_ENC(NAME_NTH(5), 2, 128), /* int b[16]; */
6935 BTF_MEMBER_ENC(NAME_NTH(6), 1, 640), /* int c; */
6936 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), /* float d; */
6937 /* ptr -> [3] struct s */
6938 BTF_PTR_ENC(3), /* [4] */
6939 /* ptr -> [6] const int */
6940 BTF_PTR_ENC(6), /* [5] */
6941 /* const -> [1] int */
6942 BTF_CONST_ENC(1), /* [6] */
6943 /* tag -> [3] struct s */
6944 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */
6945 /* tag -> [3] struct s, member 1 */
6946 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */
6947
6948 /* full copy of the above */
6949 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [9] */
6950 BTF_TYPE_ARRAY_ENC(9, 9, 16), /* [10] */
6951 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [11] */
6952 BTF_MEMBER_ENC(NAME_NTH(3), 12, 0),
6953 BTF_MEMBER_ENC(NAME_NTH(4), 13, 64),
6954 BTF_MEMBER_ENC(NAME_NTH(5), 10, 128),
6955 BTF_MEMBER_ENC(NAME_NTH(6), 9, 640),
6956 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672),
6957 BTF_PTR_ENC(11), /* [12] */
6958 BTF_PTR_ENC(14), /* [13] */
6959 BTF_CONST_ENC(9), /* [14] */
6960 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [15] */
6961 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, -1), /* [16] */
6962 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, 1), /* [17] */
6963 BTF_END_RAW,
6964 },
6965 BTF_STR_SEC("\0int\0s\0next\0a\0b\0c\0float\0d"),
6966 },
6967 .expect = {
6968 .raw_types = {
6969 /* int */
6970 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6971 /* int[16] */
6972 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */
6973 /* struct s { */
6974 BTF_STRUCT_ENC(NAME_NTH(8), 5, 88), /* [3] */
6975 BTF_MEMBER_ENC(NAME_NTH(7), 4, 0), /* struct s *next; */
6976 BTF_MEMBER_ENC(NAME_NTH(1), 5, 64), /* const int *a; */
6977 BTF_MEMBER_ENC(NAME_NTH(2), 2, 128), /* int b[16]; */
6978 BTF_MEMBER_ENC(NAME_NTH(3), 1, 640), /* int c; */
6979 BTF_MEMBER_ENC(NAME_NTH(4), 9, 672), /* float d; */
6980 /* ptr -> [3] struct s */
6981 BTF_PTR_ENC(3), /* [4] */
6982 /* ptr -> [6] const int */
6983 BTF_PTR_ENC(6), /* [5] */
6984 /* const -> [1] int */
6985 BTF_CONST_ENC(1), /* [6] */
6986 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */
6987 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */
6988 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [9] */
6989 BTF_END_RAW,
6990 },
6991 BTF_STR_SEC("\0a\0b\0c\0d\0int\0float\0next\0s"),
6992 },
6993 },
6994 {
6995 .descr = "dedup: struct <-> fwd resolution w/ hash collision",
6996 /*
6997 * // CU 1:
6998 * struct x;
6999 * struct s {
7000 * struct x *x;
7001 * };
7002 * // CU 2:
7003 * struct x {};
7004 * struct s {
7005 * struct x *x;
7006 * };
7007 */
7008 .input = {
7009 .raw_types = {
7010 /* CU 1 */
7011 BTF_FWD_ENC(NAME_TBD, 0 /* struct fwd */), /* [1] fwd x */
7012 BTF_PTR_ENC(1), /* [2] ptr -> [1] */
7013 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] struct s */
7014 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
7015 /* CU 2 */
7016 BTF_STRUCT_ENC(NAME_TBD, 0, 0), /* [4] struct x */
7017 BTF_PTR_ENC(4), /* [5] ptr -> [4] */
7018 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [6] struct s */
7019 BTF_MEMBER_ENC(NAME_TBD, 5, 0),
7020 BTF_END_RAW,
7021 },
7022 BTF_STR_SEC("\0x\0s\0x\0x\0s\0x\0"),
7023 },
7024 .expect = {
7025 .raw_types = {
7026 BTF_PTR_ENC(3), /* [1] ptr -> [3] */
7027 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [2] struct s */
7028 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7029 BTF_STRUCT_ENC(NAME_NTH(2), 0, 0), /* [3] struct x */
7030 BTF_END_RAW,
7031 },
7032 BTF_STR_SEC("\0s\0x"),
7033 },
7034 .opts = {
7035 .force_collisions = true, /* force hash collisions */
7036 },
7037 },
7038 {
7039 .descr = "dedup: void equiv check",
7040 /*
7041 * // CU 1:
7042 * struct s {
7043 * struct {} *x;
7044 * };
7045 * // CU 2:
7046 * struct s {
7047 * int *x;
7048 * };
7049 */
7050 .input = {
7051 .raw_types = {
7052 /* CU 1 */
7053 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */
7054 BTF_PTR_ENC(1), /* [2] ptr -> [1] */
7055 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */
7056 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7057 /* CU 2 */
7058 BTF_PTR_ENC(0), /* [4] ptr -> void */
7059 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */
7060 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0),
7061 BTF_END_RAW,
7062 },
7063 BTF_STR_SEC("\0s\0x"),
7064 },
7065 .expect = {
7066 .raw_types = {
7067 /* CU 1 */
7068 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */
7069 BTF_PTR_ENC(1), /* [2] ptr -> [1] */
7070 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */
7071 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7072 /* CU 2 */
7073 BTF_PTR_ENC(0), /* [4] ptr -> void */
7074 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */
7075 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0),
7076 BTF_END_RAW,
7077 },
7078 BTF_STR_SEC("\0s\0x"),
7079 },
7080 .opts = {
7081 .force_collisions = true, /* force hash collisions */
7082 },
7083 },
7084 {
7085 .descr = "dedup: all possible kinds (no duplicates)",
7086 .input = {
7087 .raw_types = {
7088 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */
7089 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */
7090 BTF_ENUM_ENC(NAME_TBD, 0),
7091 BTF_ENUM_ENC(NAME_TBD, 1),
7092 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */
7093 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */
7094 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */
7095 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7096 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */
7097 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7098 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */
7099 BTF_PTR_ENC(0), /* [8] ptr */
7100 BTF_CONST_ENC(8), /* [9] const */
7101 BTF_VOLATILE_ENC(8), /* [10] volatile */
7102 BTF_RESTRICT_ENC(8), /* [11] restrict */
7103 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
7104 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
7105 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18),
7106 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
7107 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */
7108 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */
7109 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */
7110 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */
7111 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */
7112 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */
7113 BTF_ENUM64_ENC(NAME_TBD, 0, 0),
7114 BTF_ENUM64_ENC(NAME_TBD, 1, 1),
7115 BTF_END_RAW,
7116 },
7117 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"),
7118 },
7119 .expect = {
7120 .raw_types = {
7121 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */
7122 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */
7123 BTF_ENUM_ENC(NAME_TBD, 0),
7124 BTF_ENUM_ENC(NAME_TBD, 1),
7125 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */
7126 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */
7127 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */
7128 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7129 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */
7130 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7131 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */
7132 BTF_PTR_ENC(0), /* [8] ptr */
7133 BTF_CONST_ENC(8), /* [9] const */
7134 BTF_VOLATILE_ENC(8), /* [10] volatile */
7135 BTF_RESTRICT_ENC(8), /* [11] restrict */
7136 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
7137 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
7138 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18),
7139 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
7140 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */
7141 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */
7142 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */
7143 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */
7144 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */
7145 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */
7146 BTF_ENUM64_ENC(NAME_TBD, 0, 0),
7147 BTF_ENUM64_ENC(NAME_TBD, 1, 1),
7148 BTF_END_RAW,
7149 },
7150 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"),
7151 },
7152 },
7153 {
7154 .descr = "dedup: no int/float duplicates",
7155 .input = {
7156 .raw_types = {
7157 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
7158 /* different name */
7159 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
7160 /* different encoding */
7161 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
7162 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
7163 /* different bit offset */
7164 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
7165 /* different bit size */
7166 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
7167 /* different byte size */
7168 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
7169 /* all allowed sizes */
7170 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2),
7171 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4),
7172 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8),
7173 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12),
7174 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16),
7175 BTF_END_RAW,
7176 },
7177 BTF_STR_SEC("\0int\0some other int\0float"),
7178 },
7179 .expect = {
7180 .raw_types = {
7181 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
7182 /* different name */
7183 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
7184 /* different encoding */
7185 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
7186 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
7187 /* different bit offset */
7188 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
7189 /* different bit size */
7190 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
7191 /* different byte size */
7192 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
7193 /* all allowed sizes */
7194 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2),
7195 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4),
7196 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8),
7197 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12),
7198 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16),
7199 BTF_END_RAW,
7200 },
7201 BTF_STR_SEC("\0int\0some other int\0float"),
7202 },
7203 },
7204 {
7205 .descr = "dedup: enum fwd resolution",
7206 .input = {
7207 .raw_types = {
7208 /* [1] fwd enum 'e1' before full enum */
7209 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
7210 /* [2] full enum 'e1' after fwd */
7211 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7212 BTF_ENUM_ENC(NAME_NTH(2), 123),
7213 /* [3] full enum 'e2' before fwd */
7214 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7215 BTF_ENUM_ENC(NAME_NTH(4), 456),
7216 /* [4] fwd enum 'e2' after full enum */
7217 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
7218 /* [5] fwd enum with different size, size does not matter for fwd */
7219 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1),
7220 /* [6] incompatible full enum with different value */
7221 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7222 BTF_ENUM_ENC(NAME_NTH(2), 321),
7223 BTF_END_RAW,
7224 },
7225 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7226 },
7227 .expect = {
7228 .raw_types = {
7229 /* [1] full enum 'e1' */
7230 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7231 BTF_ENUM_ENC(NAME_NTH(2), 123),
7232 /* [2] full enum 'e2' */
7233 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7234 BTF_ENUM_ENC(NAME_NTH(4), 456),
7235 /* [3] incompatible full enum with different value */
7236 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7237 BTF_ENUM_ENC(NAME_NTH(2), 321),
7238 BTF_END_RAW,
7239 },
7240 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7241 },
7242 },
7243 {
7244 .descr = "dedup: datasec and vars pass-through",
7245 .input = {
7246 .raw_types = {
7247 /* int */
7248 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7249 /* static int t */
7250 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */
7251 /* .bss section */ /* [3] */
7252 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7253 BTF_VAR_SECINFO_ENC(2, 0, 4),
7254 /* int, referenced from [5] */
7255 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */
7256 /* another static int t */
7257 BTF_VAR_ENC(NAME_NTH(2), 4, 0), /* [5] */
7258 /* another .bss section */ /* [6] */
7259 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7260 BTF_VAR_SECINFO_ENC(5, 0, 4),
7261 BTF_END_RAW,
7262 },
7263 BTF_STR_SEC("\0.bss\0t"),
7264 },
7265 .expect = {
7266 .raw_types = {
7267 /* int */
7268 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7269 /* static int t */
7270 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */
7271 /* .bss section */ /* [3] */
7272 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7273 BTF_VAR_SECINFO_ENC(2, 0, 4),
7274 /* another static int t */
7275 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [4] */
7276 /* another .bss section */ /* [5] */
7277 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7278 BTF_VAR_SECINFO_ENC(4, 0, 4),
7279 BTF_END_RAW,
7280 },
7281 BTF_STR_SEC("\0.bss\0t"),
7282 },
7283 .opts = {
7284 .force_collisions = true
7285 },
7286 },
7287 {
7288 .descr = "dedup: func/func_arg/var tags",
7289 .input = {
7290 .raw_types = {
7291 /* int */
7292 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7293 /* static int t */
7294 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */
7295 /* void f(int a1, int a2) */
7296 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
7297 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7298 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1),
7299 BTF_FUNC_ENC(NAME_NTH(4), 2), /* [4] */
7300 /* tag -> t */
7301 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */
7302 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [6] */
7303 /* tag -> func */
7304 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [7] */
7305 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [8] */
7306 /* tag -> func arg a1 */
7307 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [9] */
7308 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [10] */
7309 BTF_END_RAW,
7310 },
7311 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"),
7312 },
7313 .expect = {
7314 .raw_types = {
7315 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7316 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */
7317 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
7318 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7319 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1),
7320 BTF_FUNC_ENC(NAME_NTH(4), 2), /* [4] */
7321 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */
7322 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [6] */
7323 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [7] */
7324 BTF_END_RAW,
7325 },
7326 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"),
7327 },
7328 },
7329 {
7330 .descr = "dedup: func/func_param tags",
7331 .input = {
7332 .raw_types = {
7333 /* int */
7334 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7335 /* void f(int a1, int a2) */
7336 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
7337 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
7338 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7339 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */
7340 /* void f(int a1, int a2) */
7341 BTF_FUNC_PROTO_ENC(0, 2), /* [4] */
7342 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
7343 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7344 BTF_FUNC_ENC(NAME_NTH(3), 4), /* [5] */
7345 /* tag -> f: tag1, tag2 */
7346 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [6] */
7347 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [7] */
7348 /* tag -> f/a2: tag1, tag2 */
7349 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [8] */
7350 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [9] */
7351 /* tag -> f: tag1, tag3 */
7352 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, -1), /* [10] */
7353 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, -1), /* [11] */
7354 /* tag -> f/a2: tag1, tag3 */
7355 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, 1), /* [12] */
7356 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, 1), /* [13] */
7357 BTF_END_RAW,
7358 },
7359 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"),
7360 },
7361 .expect = {
7362 .raw_types = {
7363 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7364 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
7365 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
7366 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7367 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */
7368 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [4] */
7369 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [5] */
7370 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [6] */
7371 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [7] */
7372 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [8] */
7373 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [9] */
7374 BTF_END_RAW,
7375 },
7376 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"),
7377 },
7378 },
7379 {
7380 .descr = "dedup: struct/struct_member tags",
7381 .input = {
7382 .raw_types = {
7383 /* int */
7384 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7385 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */
7386 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0),
7387 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32),
7388 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [3] */
7389 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0),
7390 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32),
7391 /* tag -> t: tag1, tag2 */
7392 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [4] */
7393 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */
7394 /* tag -> t/m2: tag1, tag2 */
7395 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */
7396 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */
7397 /* tag -> t: tag1, tag3 */
7398 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [8] */
7399 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [9] */
7400 /* tag -> t/m2: tag1, tag3 */
7401 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [10] */
7402 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [11] */
7403 BTF_END_RAW,
7404 },
7405 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
7406 },
7407 .expect = {
7408 .raw_types = {
7409 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7410 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */
7411 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0),
7412 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32),
7413 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [3] */
7414 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [4] */
7415 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, -1), /* [5] */
7416 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */
7417 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */
7418 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, 1), /* [8] */
7419 BTF_END_RAW,
7420 },
7421 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
7422 },
7423 },
7424 {
7425 .descr = "dedup: typedef tags",
7426 .input = {
7427 .raw_types = {
7428 /* int */
7429 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7430 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */
7431 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [3] */
7432 /* tag -> t: tag1, tag2 */
7433 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [4] */
7434 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [5] */
7435 /* tag -> t: tag1, tag3 */
7436 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [6] */
7437 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [7] */
7438 BTF_END_RAW,
7439 },
7440 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"),
7441 },
7442 .expect = {
7443 .raw_types = {
7444 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7445 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */
7446 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [3] */
7447 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [4] */
7448 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [5] */
7449 BTF_END_RAW,
7450 },
7451 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"),
7452 },
7453 },
7454 {
7455 .descr = "dedup: btf_type_tag #1",
7456 .input = {
7457 .raw_types = {
7458 /* ptr -> tag2 -> tag1 -> int */
7459 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7460 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7461 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7462 BTF_PTR_ENC(3), /* [4] */
7463 /* ptr -> tag2 -> tag1 -> int */
7464 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [5] */
7465 BTF_TYPE_TAG_ENC(NAME_NTH(2), 5), /* [6] */
7466 BTF_PTR_ENC(6), /* [7] */
7467 /* ptr -> tag1 -> int */
7468 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [8] */
7469 BTF_PTR_ENC(8), /* [9] */
7470 BTF_END_RAW,
7471 },
7472 BTF_STR_SEC("\0tag1\0tag2"),
7473 },
7474 .expect = {
7475 .raw_types = {
7476 /* ptr -> tag2 -> tag1 -> int */
7477 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7478 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7479 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7480 BTF_PTR_ENC(3), /* [4] */
7481 /* ptr -> tag1 -> int */
7482 BTF_PTR_ENC(2), /* [5] */
7483 BTF_END_RAW,
7484 },
7485 BTF_STR_SEC("\0tag1\0tag2"),
7486 },
7487 },
7488 {
7489 .descr = "dedup: btf_type_tag #2",
7490 .input = {
7491 .raw_types = {
7492 /* ptr -> tag2 -> tag1 -> int */
7493 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7494 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7495 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7496 BTF_PTR_ENC(3), /* [4] */
7497 /* ptr -> tag2 -> int */
7498 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7499 BTF_PTR_ENC(5), /* [6] */
7500 BTF_END_RAW,
7501 },
7502 BTF_STR_SEC("\0tag1\0tag2"),
7503 },
7504 .expect = {
7505 .raw_types = {
7506 /* ptr -> tag2 -> tag1 -> int */
7507 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7508 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7509 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7510 BTF_PTR_ENC(3), /* [4] */
7511 /* ptr -> tag2 -> int */
7512 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7513 BTF_PTR_ENC(5), /* [6] */
7514 BTF_END_RAW,
7515 },
7516 BTF_STR_SEC("\0tag1\0tag2"),
7517 },
7518 },
7519 {
7520 .descr = "dedup: btf_type_tag #3",
7521 .input = {
7522 .raw_types = {
7523 /* ptr -> tag2 -> tag1 -> int */
7524 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7525 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7526 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7527 BTF_PTR_ENC(3), /* [4] */
7528 /* ptr -> tag1 -> tag2 -> int */
7529 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7530 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */
7531 BTF_PTR_ENC(6), /* [7] */
7532 BTF_END_RAW,
7533 },
7534 BTF_STR_SEC("\0tag1\0tag2"),
7535 },
7536 .expect = {
7537 .raw_types = {
7538 /* ptr -> tag2 -> tag1 -> int */
7539 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7540 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7541 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7542 BTF_PTR_ENC(3), /* [4] */
7543 /* ptr -> tag1 -> tag2 -> int */
7544 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7545 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */
7546 BTF_PTR_ENC(6), /* [7] */
7547 BTF_END_RAW,
7548 },
7549 BTF_STR_SEC("\0tag1\0tag2"),
7550 },
7551 },
7552 {
7553 .descr = "dedup: btf_type_tag #4",
7554 .input = {
7555 .raw_types = {
7556 /* ptr -> tag1 -> int */
7557 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7558 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7559 BTF_PTR_ENC(2), /* [3] */
7560 /* ptr -> tag1 -> long */
7561 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */
7562 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */
7563 BTF_PTR_ENC(5), /* [6] */
7564 BTF_END_RAW,
7565 },
7566 BTF_STR_SEC("\0tag1"),
7567 },
7568 .expect = {
7569 .raw_types = {
7570 /* ptr -> tag1 -> int */
7571 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7572 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7573 BTF_PTR_ENC(2), /* [3] */
7574 /* ptr -> tag1 -> long */
7575 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */
7576 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */
7577 BTF_PTR_ENC(5), /* [6] */
7578 BTF_END_RAW,
7579 },
7580 BTF_STR_SEC("\0tag1"),
7581 },
7582 },
7583 {
7584 .descr = "dedup: btf_type_tag #5, struct",
7585 .input = {
7586 .raw_types = {
7587 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7588 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7589 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */
7590 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)),
7591 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [4] */
7592 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [5] */
7593 BTF_MEMBER_ENC(NAME_NTH(3), 4, BTF_MEMBER_OFFSET(0, 0)),
7594 BTF_END_RAW,
7595 },
7596 BTF_STR_SEC("\0tag1\0t\0m"),
7597 },
7598 .expect = {
7599 .raw_types = {
7600 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7601 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7602 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */
7603 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)),
7604 BTF_END_RAW,
7605 },
7606 BTF_STR_SEC("\0tag1\0t\0m"),
7607 },
7608 },
7609 {
7610 .descr = "dedup: enum64, standalone",
7611 .input = {
7612 .raw_types = {
7613 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7614 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7615 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7616 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7617 BTF_END_RAW,
7618 },
7619 BTF_STR_SEC("\0e1\0e1_val"),
7620 },
7621 .expect = {
7622 .raw_types = {
7623 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7624 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7625 BTF_END_RAW,
7626 },
7627 BTF_STR_SEC("\0e1\0e1_val"),
7628 },
7629 },
7630 {
7631 .descr = "dedup: enum64, fwd resolution",
7632 .input = {
7633 .raw_types = {
7634 /* [1] fwd enum64 'e1' before full enum */
7635 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8),
7636 /* [2] full enum64 'e1' after fwd */
7637 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7638 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7639 /* [3] full enum64 'e2' before fwd */
7640 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7641 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456),
7642 /* [4] fwd enum64 'e2' after full enum */
7643 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8),
7644 /* [5] incompatible full enum64 with different value */
7645 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7646 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321),
7647 BTF_END_RAW,
7648 },
7649 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7650 },
7651 .expect = {
7652 .raw_types = {
7653 /* [1] full enum64 'e1' */
7654 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7655 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7656 /* [2] full enum64 'e2' */
7657 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7658 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456),
7659 /* [3] incompatible full enum64 with different value */
7660 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7661 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321),
7662 BTF_END_RAW,
7663 },
7664 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7665 },
7666 },
7667 {
7668 .descr = "dedup: enum and enum64, no dedup",
7669 .input = {
7670 .raw_types = {
7671 /* [1] enum 'e1' */
7672 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7673 BTF_ENUM_ENC(NAME_NTH(2), 1),
7674 /* [2] enum64 'e1' */
7675 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4),
7676 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7677 BTF_END_RAW,
7678 },
7679 BTF_STR_SEC("\0e1\0e1_val"),
7680 },
7681 .expect = {
7682 .raw_types = {
7683 /* [1] enum 'e1' */
7684 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7685 BTF_ENUM_ENC(NAME_NTH(2), 1),
7686 /* [2] enum64 'e1' */
7687 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4),
7688 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7689 BTF_END_RAW,
7690 },
7691 BTF_STR_SEC("\0e1\0e1_val"),
7692 },
7693 },
7694 {
7695 .descr = "dedup: enum of different size: no dedup",
7696 .input = {
7697 .raw_types = {
7698 /* [1] enum 'e1' */
7699 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7700 BTF_ENUM_ENC(NAME_NTH(2), 1),
7701 /* [2] enum 'e1' */
7702 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2),
7703 BTF_ENUM_ENC(NAME_NTH(2), 1),
7704 BTF_END_RAW,
7705 },
7706 BTF_STR_SEC("\0e1\0e1_val"),
7707 },
7708 .expect = {
7709 .raw_types = {
7710 /* [1] enum 'e1' */
7711 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7712 BTF_ENUM_ENC(NAME_NTH(2), 1),
7713 /* [2] enum 'e1' */
7714 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2),
7715 BTF_ENUM_ENC(NAME_NTH(2), 1),
7716 BTF_END_RAW,
7717 },
7718 BTF_STR_SEC("\0e1\0e1_val"),
7719 },
7720 },
7721 {
7722 .descr = "dedup: enum fwd to enum64",
7723 .input = {
7724 .raw_types = {
7725 /* [1] enum64 'e1' */
7726 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7727 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7728 /* [2] enum 'e1' fwd */
7729 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
7730 /* [3] typedef enum 'e1' td */
7731 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2),
7732 BTF_END_RAW,
7733 },
7734 BTF_STR_SEC("\0e1\0e1_val\0td"),
7735 },
7736 .expect = {
7737 .raw_types = {
7738 /* [1] enum64 'e1' */
7739 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7740 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7741 /* [2] typedef enum 'e1' td */
7742 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1),
7743 BTF_END_RAW,
7744 },
7745 BTF_STR_SEC("\0e1\0e1_val\0td"),
7746 },
7747 },
7748 {
7749 .descr = "dedup: enum64 fwd to enum",
7750 .input = {
7751 .raw_types = {
7752 /* [1] enum 'e1' */
7753 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7754 BTF_ENUM_ENC(NAME_NTH(2), 1),
7755 /* [2] enum64 'e1' fwd */
7756 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8),
7757 /* [3] typedef enum 'e1' td */
7758 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2),
7759 BTF_END_RAW,
7760 },
7761 BTF_STR_SEC("\0e1\0e1_val\0td"),
7762 },
7763 .expect = {
7764 .raw_types = {
7765 /* [1] enum 'e1' */
7766 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7767 BTF_ENUM_ENC(NAME_NTH(2), 1),
7768 /* [2] typedef enum 'e1' td */
7769 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1),
7770 BTF_END_RAW,
7771 },
7772 BTF_STR_SEC("\0e1\0e1_val\0td"),
7773 },
7774 },
7775 {
7776 .descr = "dedup: standalone fwd declaration struct",
7777 /*
7778 * Verify that CU1:foo and CU2:foo would be unified and that
7779 * typedef/ptr would be updated to point to CU1:foo.
7780 *
7781 * // CU 1:
7782 * struct foo { int x; };
7783 *
7784 * // CU 2:
7785 * struct foo;
7786 * typedef struct foo *foo_ptr;
7787 */
7788 .input = {
7789 .raw_types = {
7790 /* CU 1 */
7791 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7792 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7793 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7794 /* CU 2 */
7795 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */
7796 BTF_PTR_ENC(3), /* [4] */
7797 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7798 BTF_END_RAW,
7799 },
7800 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7801 },
7802 .expect = {
7803 .raw_types = {
7804 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7805 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7806 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7807 BTF_PTR_ENC(1), /* [3] */
7808 BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */
7809 BTF_END_RAW,
7810 },
7811 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7812 },
7813 },
7814 {
7815 .descr = "dedup: standalone fwd declaration union",
7816 /*
7817 * Verify that CU1:foo and CU2:foo would be unified and that
7818 * typedef/ptr would be updated to point to CU1:foo.
7819 * Same as "dedup: standalone fwd declaration struct" but for unions.
7820 *
7821 * // CU 1:
7822 * union foo { int x; };
7823 *
7824 * // CU 2:
7825 * union foo;
7826 * typedef union foo *foo_ptr;
7827 */
7828 .input = {
7829 .raw_types = {
7830 /* CU 1 */
7831 BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */
7832 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7833 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7834 /* CU 2 */
7835 BTF_FWD_ENC(NAME_TBD, 1), /* [3] */
7836 BTF_PTR_ENC(3), /* [4] */
7837 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7838 BTF_END_RAW,
7839 },
7840 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7841 },
7842 .expect = {
7843 .raw_types = {
7844 BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */
7845 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7846 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7847 BTF_PTR_ENC(1), /* [3] */
7848 BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */
7849 BTF_END_RAW,
7850 },
7851 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7852 },
7853 },
7854 {
7855 .descr = "dedup: standalone fwd declaration wrong kind",
7856 /*
7857 * Negative test for btf_dedup_resolve_fwds:
7858 * - CU1:foo is a struct, C2:foo is a union, thus CU2:foo is not deduped;
7859 * - typedef/ptr should remain unchanged as well.
7860 *
7861 * // CU 1:
7862 * struct foo { int x; };
7863 *
7864 * // CU 2:
7865 * union foo;
7866 * typedef union foo *foo_ptr;
7867 */
7868 .input = {
7869 .raw_types = {
7870 /* CU 1 */
7871 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7872 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7873 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7874 /* CU 2 */
7875 BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */
7876 BTF_PTR_ENC(3), /* [4] */
7877 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7878 BTF_END_RAW,
7879 },
7880 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7881 },
7882 .expect = {
7883 .raw_types = {
7884 /* CU 1 */
7885 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7886 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7887 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7888 /* CU 2 */
7889 BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */
7890 BTF_PTR_ENC(3), /* [4] */
7891 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7892 BTF_END_RAW,
7893 },
7894 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7895 },
7896 },
7897 {
7898 .descr = "dedup: standalone fwd declaration name conflict",
7899 /*
7900 * Negative test for btf_dedup_resolve_fwds:
7901 * - two candidates for CU2:foo dedup, thus it is unchanged;
7902 * - typedef/ptr should remain unchanged as well.
7903 *
7904 * // CU 1:
7905 * struct foo { int x; };
7906 *
7907 * // CU 2:
7908 * struct foo;
7909 * typedef struct foo *foo_ptr;
7910 *
7911 * // CU 3:
7912 * struct foo { int x; int y; };
7913 */
7914 .input = {
7915 .raw_types = {
7916 /* CU 1 */
7917 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7918 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7919 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7920 /* CU 2 */
7921 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */
7922 BTF_PTR_ENC(3), /* [4] */
7923 BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */
7924 /* CU 3 */
7925 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */
7926 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7927 BTF_MEMBER_ENC(NAME_NTH(3), 2, 0),
7928 BTF_END_RAW,
7929 },
7930 BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"),
7931 },
7932 .expect = {
7933 .raw_types = {
7934 /* CU 1 */
7935 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7936 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7937 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7938 /* CU 2 */
7939 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */
7940 BTF_PTR_ENC(3), /* [4] */
7941 BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */
7942 /* CU 3 */
7943 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */
7944 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7945 BTF_MEMBER_ENC(NAME_NTH(3), 2, 0),
7946 BTF_END_RAW,
7947 },
7948 BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"),
7949 },
7950 },
7951 };
7952
btf_type_size(const struct btf_type * t)7953 static int btf_type_size(const struct btf_type *t)
7954 {
7955 int base_size = sizeof(struct btf_type);
7956 __u16 vlen = BTF_INFO_VLEN(t->info);
7957 __u16 kind = BTF_INFO_KIND(t->info);
7958
7959 switch (kind) {
7960 case BTF_KIND_FWD:
7961 case BTF_KIND_CONST:
7962 case BTF_KIND_VOLATILE:
7963 case BTF_KIND_RESTRICT:
7964 case BTF_KIND_PTR:
7965 case BTF_KIND_TYPEDEF:
7966 case BTF_KIND_FUNC:
7967 case BTF_KIND_FLOAT:
7968 case BTF_KIND_TYPE_TAG:
7969 return base_size;
7970 case BTF_KIND_INT:
7971 return base_size + sizeof(__u32);
7972 case BTF_KIND_ENUM:
7973 return base_size + vlen * sizeof(struct btf_enum);
7974 case BTF_KIND_ENUM64:
7975 return base_size + vlen * sizeof(struct btf_enum64);
7976 case BTF_KIND_ARRAY:
7977 return base_size + sizeof(struct btf_array);
7978 case BTF_KIND_STRUCT:
7979 case BTF_KIND_UNION:
7980 return base_size + vlen * sizeof(struct btf_member);
7981 case BTF_KIND_FUNC_PROTO:
7982 return base_size + vlen * sizeof(struct btf_param);
7983 case BTF_KIND_VAR:
7984 return base_size + sizeof(struct btf_var);
7985 case BTF_KIND_DATASEC:
7986 return base_size + vlen * sizeof(struct btf_var_secinfo);
7987 case BTF_KIND_DECL_TAG:
7988 return base_size + sizeof(struct btf_decl_tag);
7989 default:
7990 fprintf(stderr, "Unsupported BTF_KIND:%u\n", kind);
7991 return -EINVAL;
7992 }
7993 }
7994
dump_btf_strings(const char * strs,__u32 len)7995 static void dump_btf_strings(const char *strs, __u32 len)
7996 {
7997 const char *cur = strs;
7998 int i = 0;
7999
8000 while (cur < strs + len) {
8001 fprintf(stderr, "string #%d: '%s'\n", i, cur);
8002 cur += strlen(cur) + 1;
8003 i++;
8004 }
8005 }
8006
do_test_dedup(unsigned int test_num)8007 static void do_test_dedup(unsigned int test_num)
8008 {
8009 struct btf_dedup_test *test = &dedup_tests[test_num - 1];
8010 __u32 test_nr_types, expect_nr_types, test_btf_size, expect_btf_size;
8011 const struct btf_header *test_hdr, *expect_hdr;
8012 struct btf *test_btf = NULL, *expect_btf = NULL;
8013 const void *test_btf_data, *expect_btf_data;
8014 const char *ret_test_next_str, *ret_expect_next_str;
8015 const char *test_strs, *expect_strs;
8016 const char *test_str_cur;
8017 const char *expect_str_cur, *expect_str_end;
8018 unsigned int raw_btf_size;
8019 void *raw_btf;
8020 int err = 0, i;
8021
8022 if (!test__start_subtest(test->descr))
8023 return;
8024
8025 raw_btf = btf_raw_create(&hdr_tmpl, test->input.raw_types,
8026 test->input.str_sec, test->input.str_sec_size,
8027 &raw_btf_size, &ret_test_next_str);
8028 if (!raw_btf)
8029 return;
8030
8031 test_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
8032 err = libbpf_get_error(test_btf);
8033 free(raw_btf);
8034 if (CHECK(err, "invalid test_btf errno:%d", err)) {
8035 err = -1;
8036 goto done;
8037 }
8038
8039 raw_btf = btf_raw_create(&hdr_tmpl, test->expect.raw_types,
8040 test->expect.str_sec,
8041 test->expect.str_sec_size,
8042 &raw_btf_size, &ret_expect_next_str);
8043 if (!raw_btf)
8044 return;
8045 expect_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
8046 err = libbpf_get_error(expect_btf);
8047 free(raw_btf);
8048 if (CHECK(err, "invalid expect_btf errno:%d", err)) {
8049 err = -1;
8050 goto done;
8051 }
8052
8053 test->opts.sz = sizeof(test->opts);
8054 err = btf__dedup(test_btf, &test->opts);
8055 if (CHECK(err, "btf_dedup failed errno:%d", err)) {
8056 err = -1;
8057 goto done;
8058 }
8059
8060 test_btf_data = btf__raw_data(test_btf, &test_btf_size);
8061 expect_btf_data = btf__raw_data(expect_btf, &expect_btf_size);
8062 if (CHECK(test_btf_size != expect_btf_size,
8063 "test_btf_size:%u != expect_btf_size:%u",
8064 test_btf_size, expect_btf_size)) {
8065 err = -1;
8066 goto done;
8067 }
8068
8069 test_hdr = test_btf_data;
8070 test_strs = test_btf_data + sizeof(*test_hdr) + test_hdr->str_off;
8071 expect_hdr = expect_btf_data;
8072 expect_strs = expect_btf_data + sizeof(*test_hdr) + expect_hdr->str_off;
8073 if (CHECK(test_hdr->str_len != expect_hdr->str_len,
8074 "test_hdr->str_len:%u != expect_hdr->str_len:%u",
8075 test_hdr->str_len, expect_hdr->str_len)) {
8076 fprintf(stderr, "\ntest strings:\n");
8077 dump_btf_strings(test_strs, test_hdr->str_len);
8078 fprintf(stderr, "\nexpected strings:\n");
8079 dump_btf_strings(expect_strs, expect_hdr->str_len);
8080 err = -1;
8081 goto done;
8082 }
8083
8084 expect_str_cur = expect_strs;
8085 expect_str_end = expect_strs + expect_hdr->str_len;
8086 while (expect_str_cur < expect_str_end) {
8087 size_t test_len, expect_len;
8088 int off;
8089
8090 off = btf__find_str(test_btf, expect_str_cur);
8091 if (CHECK(off < 0, "exp str '%s' not found: %d\n", expect_str_cur, off)) {
8092 err = -1;
8093 goto done;
8094 }
8095 test_str_cur = btf__str_by_offset(test_btf, off);
8096
8097 test_len = strlen(test_str_cur);
8098 expect_len = strlen(expect_str_cur);
8099 if (CHECK(test_len != expect_len,
8100 "test_len:%zu != expect_len:%zu "
8101 "(test_str:%s, expect_str:%s)",
8102 test_len, expect_len, test_str_cur, expect_str_cur)) {
8103 err = -1;
8104 goto done;
8105 }
8106 if (CHECK(strcmp(test_str_cur, expect_str_cur),
8107 "test_str:%s != expect_str:%s",
8108 test_str_cur, expect_str_cur)) {
8109 err = -1;
8110 goto done;
8111 }
8112 expect_str_cur += expect_len + 1;
8113 }
8114
8115 test_nr_types = btf__type_cnt(test_btf);
8116 expect_nr_types = btf__type_cnt(expect_btf);
8117 if (CHECK(test_nr_types != expect_nr_types,
8118 "test_nr_types:%u != expect_nr_types:%u",
8119 test_nr_types, expect_nr_types)) {
8120 err = -1;
8121 goto done;
8122 }
8123
8124 for (i = 1; i < test_nr_types; i++) {
8125 const struct btf_type *test_type, *expect_type;
8126 int test_size, expect_size;
8127
8128 test_type = btf__type_by_id(test_btf, i);
8129 expect_type = btf__type_by_id(expect_btf, i);
8130 test_size = btf_type_size(test_type);
8131 expect_size = btf_type_size(expect_type);
8132
8133 if (CHECK(test_size != expect_size,
8134 "type #%d: test_size:%d != expect_size:%u",
8135 i, test_size, expect_size)) {
8136 err = -1;
8137 goto done;
8138 }
8139 if (CHECK(btf_kind(test_type) != btf_kind(expect_type),
8140 "type %d kind: exp %d != got %u\n",
8141 i, btf_kind(expect_type), btf_kind(test_type))) {
8142 err = -1;
8143 goto done;
8144 }
8145 if (CHECK(test_type->info != expect_type->info,
8146 "type %d info: exp %d != got %u\n",
8147 i, expect_type->info, test_type->info)) {
8148 err = -1;
8149 goto done;
8150 }
8151 if (CHECK(test_type->size != expect_type->size,
8152 "type %d size/type: exp %d != got %u\n",
8153 i, expect_type->size, test_type->size)) {
8154 err = -1;
8155 goto done;
8156 }
8157 }
8158
8159 done:
8160 btf__free(test_btf);
8161 btf__free(expect_btf);
8162 }
8163
test_btf(void)8164 void test_btf(void)
8165 {
8166 int i;
8167
8168 always_log = env.verbosity > VERBOSE_NONE;
8169
8170 for (i = 1; i <= ARRAY_SIZE(raw_tests); i++)
8171 do_test_raw(i);
8172 for (i = 1; i <= ARRAY_SIZE(get_info_tests); i++)
8173 do_test_get_info(i);
8174 for (i = 1; i <= ARRAY_SIZE(file_tests); i++)
8175 do_test_file(i);
8176 for (i = 1; i <= ARRAY_SIZE(info_raw_tests); i++)
8177 do_test_info_raw(i);
8178 for (i = 1; i <= ARRAY_SIZE(dedup_tests); i++)
8179 do_test_dedup(i);
8180 test_pprint();
8181 }
8182
