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
31static int duration = 0;
32static 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
46static char btf_log_buf[BTF_LOG_BUF_SIZE];
47
48static 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 */
55enum pprint_mapv_kind_t {
56 PPRINT_MAPV_KIND_BASIC = 0,
57 PPRINT_MAPV_KIND_INT128,
58};
59
60struct 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
88static 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 .descr = "datasec: name '?.foo bar:buz' is ok",
3540 .raw_types = {
3541 /* int */
3542 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3543 /* VAR x */ /* [2] */
3544 BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), 1),
3545 BTF_VAR_STATIC,
3546 /* DATASEC ?.data */ /* [3] */
3547 BTF_TYPE_ENC(3, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
3548 BTF_VAR_SECINFO_ENC(2, 0, 4),
3549 BTF_END_RAW,
3550 },
3551 BTF_STR_SEC("\0x\0?.foo bar:buz"),
3552},
3553{
3554 .descr = "type name '?foo' is not ok",
3555 .raw_types = {
3556 /* union ?foo; */
3557 BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */
3558 BTF_END_RAW,
3559 },
3560 BTF_STR_SEC("\0?foo"),
3561 .err_str = "Invalid name",
3562 .btf_load_err = true,
3563},
3564
3565{
3566 .descr = "float test #1, well-formed",
3567 .raw_types = {
3568 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3569 /* [1] */
3570 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [2] */
3571 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [3] */
3572 BTF_TYPE_FLOAT_ENC(NAME_TBD, 8), /* [4] */
3573 BTF_TYPE_FLOAT_ENC(NAME_TBD, 12), /* [5] */
3574 BTF_TYPE_FLOAT_ENC(NAME_TBD, 16), /* [6] */
3575 BTF_STRUCT_ENC(NAME_TBD, 5, 48), /* [7] */
3576 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
3577 BTF_MEMBER_ENC(NAME_TBD, 3, 32),
3578 BTF_MEMBER_ENC(NAME_TBD, 4, 64),
3579 BTF_MEMBER_ENC(NAME_TBD, 5, 128),
3580 BTF_MEMBER_ENC(NAME_TBD, 6, 256),
3581 BTF_END_RAW,
3582 },
3583 BTF_STR_SEC("\0int\0_Float16\0float\0double\0_Float80\0long_double"
3584 "\0floats\0a\0b\0c\0d\0e"),
3585 .map_type = BPF_MAP_TYPE_ARRAY,
3586 .map_name = "float_type_check_btf",
3587 .key_size = sizeof(int),
3588 .value_size = 48,
3589 .key_type_id = 1,
3590 .value_type_id = 7,
3591 .max_entries = 1,
3592},
3593{
3594 .descr = "float test #2, invalid vlen",
3595 .raw_types = {
3596 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3597 /* [1] */
3598 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 0, 1), 4),
3599 /* [2] */
3600 BTF_END_RAW,
3601 },
3602 BTF_STR_SEC("\0int\0float"),
3603 .map_type = BPF_MAP_TYPE_ARRAY,
3604 .map_name = "float_type_check_btf",
3605 .key_size = sizeof(int),
3606 .value_size = 4,
3607 .key_type_id = 1,
3608 .value_type_id = 2,
3609 .max_entries = 1,
3610 .btf_load_err = true,
3611 .err_str = "vlen != 0",
3612},
3613{
3614 .descr = "float test #3, invalid kind_flag",
3615 .raw_types = {
3616 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3617 /* [1] */
3618 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 1, 0), 4),
3619 /* [2] */
3620 BTF_END_RAW,
3621 },
3622 BTF_STR_SEC("\0int\0float"),
3623 .map_type = BPF_MAP_TYPE_ARRAY,
3624 .map_name = "float_type_check_btf",
3625 .key_size = sizeof(int),
3626 .value_size = 4,
3627 .key_type_id = 1,
3628 .value_type_id = 2,
3629 .max_entries = 1,
3630 .btf_load_err = true,
3631 .err_str = "Invalid btf_info kind_flag",
3632},
3633{
3634 .descr = "float test #4, member does not fit",
3635 .raw_types = {
3636 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3637 /* [1] */
3638 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */
3639 BTF_STRUCT_ENC(NAME_TBD, 1, 2), /* [3] */
3640 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
3641 BTF_END_RAW,
3642 },
3643 BTF_STR_SEC("\0int\0float\0floats\0x"),
3644 .map_type = BPF_MAP_TYPE_ARRAY,
3645 .map_name = "float_type_check_btf",
3646 .key_size = sizeof(int),
3647 .value_size = 4,
3648 .key_type_id = 1,
3649 .value_type_id = 3,
3650 .max_entries = 1,
3651 .btf_load_err = true,
3652 .err_str = "Member exceeds struct_size",
3653},
3654{
3655 .descr = "float test #5, member is not properly aligned",
3656 .raw_types = {
3657 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3658 /* [1] */
3659 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */
3660 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] */
3661 BTF_MEMBER_ENC(NAME_TBD, 2, 8),
3662 BTF_END_RAW,
3663 },
3664 BTF_STR_SEC("\0int\0float\0floats\0x"),
3665 .map_type = BPF_MAP_TYPE_ARRAY,
3666 .map_name = "float_type_check_btf",
3667 .key_size = sizeof(int),
3668 .value_size = 4,
3669 .key_type_id = 1,
3670 .value_type_id = 3,
3671 .max_entries = 1,
3672 .btf_load_err = true,
3673 .err_str = "Member is not properly aligned",
3674},
3675{
3676 .descr = "float test #6, invalid size",
3677 .raw_types = {
3678 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3679 /* [1] */
3680 BTF_TYPE_FLOAT_ENC(NAME_TBD, 6), /* [2] */
3681 BTF_END_RAW,
3682 },
3683 BTF_STR_SEC("\0int\0float"),
3684 .map_type = BPF_MAP_TYPE_ARRAY,
3685 .map_name = "float_type_check_btf",
3686 .key_size = sizeof(int),
3687 .value_size = 6,
3688 .key_type_id = 1,
3689 .value_type_id = 2,
3690 .max_entries = 1,
3691 .btf_load_err = true,
3692 .err_str = "Invalid type_size",
3693},
3694
3695{
3696 .descr = "decl_tag test #1, struct/member, well-formed",
3697 .raw_types = {
3698 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3699 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
3700 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3701 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
3702 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3703 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3704 BTF_DECL_TAG_ENC(NAME_TBD, 2, 1),
3705 BTF_END_RAW,
3706 },
3707 BTF_STR_SEC("\0m1\0m2\0tag1\0tag2\0tag3"),
3708 .map_type = BPF_MAP_TYPE_ARRAY,
3709 .map_name = "tag_type_check_btf",
3710 .key_size = sizeof(int),
3711 .value_size = 8,
3712 .key_type_id = 1,
3713 .value_type_id = 2,
3714 .max_entries = 1,
3715},
3716{
3717 .descr = "decl_tag test #2, union/member, well-formed",
3718 .raw_types = {
3719 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3720 BTF_UNION_ENC(NAME_TBD, 2, 4), /* [2] */
3721 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3722 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3723 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3724 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3725 BTF_DECL_TAG_ENC(NAME_TBD, 2, 1),
3726 BTF_END_RAW,
3727 },
3728 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
3729 .map_type = BPF_MAP_TYPE_ARRAY,
3730 .map_name = "tag_type_check_btf",
3731 .key_size = sizeof(int),
3732 .value_size = 4,
3733 .key_type_id = 1,
3734 .value_type_id = 2,
3735 .max_entries = 1,
3736},
3737{
3738 .descr = "decl_tag test #3, variable, well-formed",
3739 .raw_types = {
3740 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3741 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3742 BTF_VAR_ENC(NAME_TBD, 1, 1), /* [3] */
3743 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3744 BTF_DECL_TAG_ENC(NAME_TBD, 3, -1),
3745 BTF_END_RAW,
3746 },
3747 BTF_STR_SEC("\0local\0global\0tag1\0tag2"),
3748 .map_type = BPF_MAP_TYPE_ARRAY,
3749 .map_name = "tag_type_check_btf",
3750 .key_size = sizeof(int),
3751 .value_size = 4,
3752 .key_type_id = 1,
3753 .value_type_id = 1,
3754 .max_entries = 1,
3755},
3756{
3757 .descr = "decl_tag test #4, func/parameter, well-formed",
3758 .raw_types = {
3759 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3760 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
3761 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3762 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3763 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
3764 BTF_DECL_TAG_ENC(NAME_TBD, 3, -1),
3765 BTF_DECL_TAG_ENC(NAME_TBD, 3, 0),
3766 BTF_DECL_TAG_ENC(NAME_TBD, 3, 1),
3767 BTF_END_RAW,
3768 },
3769 BTF_STR_SEC("\0arg1\0arg2\0f\0tag1\0tag2\0tag3"),
3770 .map_type = BPF_MAP_TYPE_ARRAY,
3771 .map_name = "tag_type_check_btf",
3772 .key_size = sizeof(int),
3773 .value_size = 4,
3774 .key_type_id = 1,
3775 .value_type_id = 1,
3776 .max_entries = 1,
3777},
3778{
3779 .descr = "decl_tag test #5, invalid value",
3780 .raw_types = {
3781 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3782 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3783 BTF_DECL_TAG_ENC(0, 2, -1),
3784 BTF_END_RAW,
3785 },
3786 BTF_STR_SEC("\0local\0tag"),
3787 .map_type = BPF_MAP_TYPE_ARRAY,
3788 .map_name = "tag_type_check_btf",
3789 .key_size = sizeof(int),
3790 .value_size = 4,
3791 .key_type_id = 1,
3792 .value_type_id = 1,
3793 .max_entries = 1,
3794 .btf_load_err = true,
3795 .err_str = "Invalid value",
3796},
3797{
3798 .descr = "decl_tag test #6, invalid target type",
3799 .raw_types = {
3800 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3801 BTF_DECL_TAG_ENC(NAME_TBD, 1, -1),
3802 BTF_END_RAW,
3803 },
3804 BTF_STR_SEC("\0tag1"),
3805 .map_type = BPF_MAP_TYPE_ARRAY,
3806 .map_name = "tag_type_check_btf",
3807 .key_size = sizeof(int),
3808 .value_size = 4,
3809 .key_type_id = 1,
3810 .value_type_id = 1,
3811 .max_entries = 1,
3812 .btf_load_err = true,
3813 .err_str = "Invalid type",
3814},
3815{
3816 .descr = "decl_tag test #7, invalid vlen",
3817 .raw_types = {
3818 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3819 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3820 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 1), 2), (0),
3821 BTF_END_RAW,
3822 },
3823 BTF_STR_SEC("\0local\0tag1"),
3824 .map_type = BPF_MAP_TYPE_ARRAY,
3825 .map_name = "tag_type_check_btf",
3826 .key_size = sizeof(int),
3827 .value_size = 4,
3828 .key_type_id = 1,
3829 .value_type_id = 1,
3830 .max_entries = 1,
3831 .btf_load_err = true,
3832 .err_str = "vlen != 0",
3833},
3834{
3835 .descr = "decl_tag test #8, invalid kflag",
3836 .raw_types = {
3837 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3838 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3839 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 1, 0), 2), (-1),
3840 BTF_END_RAW,
3841 },
3842 BTF_STR_SEC("\0local\0tag1"),
3843 .map_type = BPF_MAP_TYPE_ARRAY,
3844 .map_name = "tag_type_check_btf",
3845 .key_size = sizeof(int),
3846 .value_size = 4,
3847 .key_type_id = 1,
3848 .value_type_id = 1,
3849 .max_entries = 1,
3850 .btf_load_err = true,
3851 .err_str = "Invalid btf_info kind_flag",
3852},
3853{
3854 .descr = "decl_tag test #9, var, invalid component_idx",
3855 .raw_types = {
3856 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3857 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3858 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3859 BTF_END_RAW,
3860 },
3861 BTF_STR_SEC("\0local\0tag"),
3862 .map_type = BPF_MAP_TYPE_ARRAY,
3863 .map_name = "tag_type_check_btf",
3864 .key_size = sizeof(int),
3865 .value_size = 4,
3866 .key_type_id = 1,
3867 .value_type_id = 1,
3868 .max_entries = 1,
3869 .btf_load_err = true,
3870 .err_str = "Invalid component_idx",
3871},
3872{
3873 .descr = "decl_tag test #10, struct member, invalid component_idx",
3874 .raw_types = {
3875 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3876 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
3877 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3878 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
3879 BTF_DECL_TAG_ENC(NAME_TBD, 2, 2),
3880 BTF_END_RAW,
3881 },
3882 BTF_STR_SEC("\0m1\0m2\0tag"),
3883 .map_type = BPF_MAP_TYPE_ARRAY,
3884 .map_name = "tag_type_check_btf",
3885 .key_size = sizeof(int),
3886 .value_size = 8,
3887 .key_type_id = 1,
3888 .value_type_id = 2,
3889 .max_entries = 1,
3890 .btf_load_err = true,
3891 .err_str = "Invalid component_idx",
3892},
3893{
3894 .descr = "decl_tag test #11, func parameter, invalid component_idx",
3895 .raw_types = {
3896 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3897 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
3898 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3899 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3900 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
3901 BTF_DECL_TAG_ENC(NAME_TBD, 3, 2),
3902 BTF_END_RAW,
3903 },
3904 BTF_STR_SEC("\0arg1\0arg2\0f\0tag"),
3905 .map_type = BPF_MAP_TYPE_ARRAY,
3906 .map_name = "tag_type_check_btf",
3907 .key_size = sizeof(int),
3908 .value_size = 4,
3909 .key_type_id = 1,
3910 .value_type_id = 1,
3911 .max_entries = 1,
3912 .btf_load_err = true,
3913 .err_str = "Invalid component_idx",
3914},
3915{
3916 .descr = "decl_tag test #12, < -1 component_idx",
3917 .raw_types = {
3918 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3919 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
3920 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3921 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3922 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
3923 BTF_DECL_TAG_ENC(NAME_TBD, 3, -2),
3924 BTF_END_RAW,
3925 },
3926 BTF_STR_SEC("\0arg1\0arg2\0f\0tag"),
3927 .map_type = BPF_MAP_TYPE_ARRAY,
3928 .map_name = "tag_type_check_btf",
3929 .key_size = sizeof(int),
3930 .value_size = 4,
3931 .key_type_id = 1,
3932 .value_type_id = 1,
3933 .max_entries = 1,
3934 .btf_load_err = true,
3935 .err_str = "Invalid component_idx",
3936},
3937{
3938 .descr = "decl_tag test #13, typedef, well-formed",
3939 .raw_types = {
3940 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3941 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */
3942 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3943 BTF_END_RAW,
3944 },
3945 BTF_STR_SEC("\0t\0tag"),
3946 .map_type = BPF_MAP_TYPE_ARRAY,
3947 .map_name = "tag_type_check_btf",
3948 .key_size = sizeof(int),
3949 .value_size = 4,
3950 .key_type_id = 1,
3951 .value_type_id = 1,
3952 .max_entries = 1,
3953},
3954{
3955 .descr = "decl_tag test #14, typedef, invalid component_idx",
3956 .raw_types = {
3957 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3958 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */
3959 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3960 BTF_END_RAW,
3961 },
3962 BTF_STR_SEC("\0local\0tag"),
3963 .map_type = BPF_MAP_TYPE_ARRAY,
3964 .map_name = "tag_type_check_btf",
3965 .key_size = sizeof(int),
3966 .value_size = 4,
3967 .key_type_id = 1,
3968 .value_type_id = 1,
3969 .max_entries = 1,
3970 .btf_load_err = true,
3971 .err_str = "Invalid component_idx",
3972},
3973{
3974 .descr = "decl_tag test #15, func, invalid func proto",
3975 .raw_types = {
3976 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3977 BTF_DECL_TAG_ENC(NAME_TBD, 3, 0), /* [2] */
3978 BTF_FUNC_ENC(NAME_TBD, 8), /* [3] */
3979 BTF_END_RAW,
3980 },
3981 BTF_STR_SEC("\0tag\0func"),
3982 .map_type = BPF_MAP_TYPE_ARRAY,
3983 .map_name = "tag_type_check_btf",
3984 .key_size = sizeof(int),
3985 .value_size = 4,
3986 .key_type_id = 1,
3987 .value_type_id = 1,
3988 .max_entries = 1,
3989 .btf_load_err = true,
3990 .err_str = "Invalid type_id",
3991},
3992{
3993 .descr = "decl_tag test #16, func proto, return type",
3994 .raw_types = {
3995 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3996 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3997 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 2), (-1), /* [3] */
3998 BTF_FUNC_PROTO_ENC(3, 0), /* [4] */
3999 BTF_END_RAW,
4000 },
4001 BTF_STR_SEC("\0local\0tag1"),
4002 .btf_load_err = true,
4003 .err_str = "Invalid return type",
4004},
4005{
4006 .descr = "decl_tag test #17, func proto, argument",
4007 .raw_types = {
4008 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 4), (-1), /* [1] */
4009 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), /* [2] */
4010 BTF_FUNC_PROTO_ENC(0, 1), /* [3] */
4011 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
4012 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [4] */
4013 BTF_END_RAW,
4014 },
4015 BTF_STR_SEC("\0local\0tag1\0var"),
4016 .btf_load_err = true,
4017 .err_str = "Invalid arg#1",
4018},
4019{
4020 .descr = "decl_tag test #18, decl_tag as the map key type",
4021 .raw_types = {
4022 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4023 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
4024 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
4025 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
4026 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */
4027 BTF_END_RAW,
4028 },
4029 BTF_STR_SEC("\0m1\0m2\0tag"),
4030 .map_type = BPF_MAP_TYPE_HASH,
4031 .map_name = "tag_type_check_btf",
4032 .key_size = 8,
4033 .value_size = 4,
4034 .key_type_id = 3,
4035 .value_type_id = 1,
4036 .max_entries = 1,
4037 .map_create_err = true,
4038},
4039{
4040 .descr = "decl_tag test #19, decl_tag as the map value type",
4041 .raw_types = {
4042 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4043 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
4044 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
4045 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
4046 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */
4047 BTF_END_RAW,
4048 },
4049 BTF_STR_SEC("\0m1\0m2\0tag"),
4050 .map_type = BPF_MAP_TYPE_HASH,
4051 .map_name = "tag_type_check_btf",
4052 .key_size = 4,
4053 .value_size = 8,
4054 .key_type_id = 1,
4055 .value_type_id = 3,
4056 .max_entries = 1,
4057 .map_create_err = true,
4058},
4059{
4060 .descr = "type_tag test #1",
4061 .raw_types = {
4062 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4063 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [2] */
4064 BTF_PTR_ENC(2), /* [3] */
4065 BTF_END_RAW,
4066 },
4067 BTF_STR_SEC("\0tag"),
4068 .map_type = BPF_MAP_TYPE_ARRAY,
4069 .map_name = "tag_type_check_btf",
4070 .key_size = sizeof(int),
4071 .value_size = 4,
4072 .key_type_id = 1,
4073 .value_type_id = 1,
4074 .max_entries = 1,
4075},
4076{
4077 .descr = "type_tag test #2, type tag order",
4078 .raw_types = {
4079 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4080 BTF_CONST_ENC(3), /* [2] */
4081 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [3] */
4082 BTF_END_RAW,
4083 },
4084 BTF_STR_SEC("\0tag"),
4085 .map_type = BPF_MAP_TYPE_ARRAY,
4086 .map_name = "tag_type_check_btf",
4087 .key_size = sizeof(int),
4088 .value_size = 4,
4089 .key_type_id = 1,
4090 .value_type_id = 1,
4091 .max_entries = 1,
4092 .btf_load_err = true,
4093 .err_str = "Type tags don't precede modifiers",
4094},
4095{
4096 .descr = "type_tag test #3, type tag order",
4097 .raw_types = {
4098 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4099 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */
4100 BTF_CONST_ENC(4), /* [3] */
4101 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */
4102 BTF_END_RAW,
4103 },
4104 BTF_STR_SEC("\0tag\0tag"),
4105 .map_type = BPF_MAP_TYPE_ARRAY,
4106 .map_name = "tag_type_check_btf",
4107 .key_size = sizeof(int),
4108 .value_size = 4,
4109 .key_type_id = 1,
4110 .value_type_id = 1,
4111 .max_entries = 1,
4112 .btf_load_err = true,
4113 .err_str = "Type tags don't precede modifiers",
4114},
4115{
4116 .descr = "type_tag test #4, type tag order",
4117 .raw_types = {
4118 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4119 BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [2] */
4120 BTF_CONST_ENC(4), /* [3] */
4121 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */
4122 BTF_END_RAW,
4123 },
4124 BTF_STR_SEC("\0tag\0tag"),
4125 .map_type = BPF_MAP_TYPE_ARRAY,
4126 .map_name = "tag_type_check_btf",
4127 .key_size = sizeof(int),
4128 .value_size = 4,
4129 .key_type_id = 1,
4130 .value_type_id = 1,
4131 .max_entries = 1,
4132 .btf_load_err = true,
4133 .err_str = "Type tags don't precede modifiers",
4134},
4135{
4136 .descr = "type_tag test #5, type tag order",
4137 .raw_types = {
4138 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4139 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */
4140 BTF_CONST_ENC(1), /* [3] */
4141 BTF_TYPE_TAG_ENC(NAME_TBD, 2), /* [4] */
4142 BTF_END_RAW,
4143 },
4144 BTF_STR_SEC("\0tag\0tag"),
4145 .map_type = BPF_MAP_TYPE_ARRAY,
4146 .map_name = "tag_type_check_btf",
4147 .key_size = sizeof(int),
4148 .value_size = 4,
4149 .key_type_id = 1,
4150 .value_type_id = 1,
4151 .max_entries = 1,
4152},
4153{
4154 .descr = "type_tag test #6, type tag order",
4155 .raw_types = {
4156 BTF_PTR_ENC(2), /* [1] */
4157 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */
4158 BTF_CONST_ENC(4), /* [3] */
4159 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */
4160 BTF_PTR_ENC(6), /* [5] */
4161 BTF_CONST_ENC(2), /* [6] */
4162 BTF_END_RAW,
4163 },
4164 BTF_STR_SEC("\0tag"),
4165 .map_type = BPF_MAP_TYPE_ARRAY,
4166 .map_name = "tag_type_check_btf",
4167 .key_size = sizeof(int),
4168 .value_size = 4,
4169 .key_type_id = 1,
4170 .value_type_id = 1,
4171 .max_entries = 1,
4172 .btf_load_err = true,
4173 .err_str = "Type tags don't precede modifiers",
4174},
4175{
4176 .descr = "enum64 test #1, unsigned, size 8",
4177 .raw_types = {
4178 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4179 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [2] */
4180 BTF_ENUM64_ENC(NAME_TBD, 0, 0),
4181 BTF_ENUM64_ENC(NAME_TBD, 1, 1),
4182 BTF_END_RAW,
4183 },
4184 BTF_STR_SEC("\0a\0b\0c"),
4185 .map_type = BPF_MAP_TYPE_ARRAY,
4186 .map_name = "tag_type_check_btf",
4187 .key_size = sizeof(int),
4188 .value_size = 8,
4189 .key_type_id = 1,
4190 .value_type_id = 2,
4191 .max_entries = 1,
4192},
4193{
4194 .descr = "enum64 test #2, signed, size 4",
4195 .raw_types = {
4196 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4197 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 1, 2), 4), /* [2] */
4198 BTF_ENUM64_ENC(NAME_TBD, -1, 0),
4199 BTF_ENUM64_ENC(NAME_TBD, 1, 0),
4200 BTF_END_RAW,
4201 },
4202 BTF_STR_SEC("\0a\0b\0c"),
4203 .map_type = BPF_MAP_TYPE_ARRAY,
4204 .map_name = "tag_type_check_btf",
4205 .key_size = sizeof(int),
4206 .value_size = 4,
4207 .key_type_id = 1,
4208 .value_type_id = 2,
4209 .max_entries = 1,
4210},
4211
4212}; /* struct btf_raw_test raw_tests[] */
4213
4214static const char *get_next_str(const char *start, const char *end)
4215{
4216 return start < end - 1 ? start + 1 : NULL;
4217}
4218
4219static int get_raw_sec_size(const __u32 *raw_types)
4220{
4221 int i;
4222
4223 for (i = MAX_NR_RAW_U32 - 1;
4224 i >= 0 && raw_types[i] != BTF_END_RAW;
4225 i--)
4226 ;
4227
4228 return i < 0 ? i : i * sizeof(raw_types[0]);
4229}
4230
4231static void *btf_raw_create(const struct btf_header *hdr,
4232 const __u32 *raw_types,
4233 const char *str,
4234 unsigned int str_sec_size,
4235 unsigned int *btf_size,
4236 const char **ret_next_str)
4237{
4238 const char *next_str = str, *end_str = str + str_sec_size;
4239 const char **strs_idx = NULL, **tmp_strs_idx;
4240 int strs_cap = 0, strs_cnt = 0, next_str_idx = 0;
4241 unsigned int size_needed, offset;
4242 struct btf_header *ret_hdr;
4243 int i, type_sec_size, err = 0;
4244 uint32_t *ret_types;
4245 void *raw_btf = NULL;
4246
4247 type_sec_size = get_raw_sec_size(raw_types);
4248 if (CHECK(type_sec_size < 0, "Cannot get nr_raw_types"))
4249 return NULL;
4250
4251 size_needed = sizeof(*hdr) + type_sec_size + str_sec_size;
4252 raw_btf = malloc(size_needed);
4253 if (CHECK(!raw_btf, "Cannot allocate memory for raw_btf"))
4254 return NULL;
4255
4256 /* Copy header */
4257 memcpy(raw_btf, hdr, sizeof(*hdr));
4258 offset = sizeof(*hdr);
4259
4260 /* Index strings */
4261 while ((next_str = get_next_str(start: next_str, end: end_str))) {
4262 if (strs_cnt == strs_cap) {
4263 strs_cap += max(16, strs_cap / 2);
4264 tmp_strs_idx = realloc(strs_idx,
4265 sizeof(*strs_idx) * strs_cap);
4266 if (CHECK(!tmp_strs_idx,
4267 "Cannot allocate memory for strs_idx")) {
4268 err = -1;
4269 goto done;
4270 }
4271 strs_idx = tmp_strs_idx;
4272 }
4273 strs_idx[strs_cnt++] = next_str;
4274 next_str += strlen(next_str);
4275 }
4276
4277 /* Copy type section */
4278 ret_types = raw_btf + offset;
4279 for (i = 0; i < type_sec_size / sizeof(raw_types[0]); i++) {
4280 if (raw_types[i] == NAME_TBD) {
4281 if (CHECK(next_str_idx == strs_cnt,
4282 "Error in getting next_str #%d",
4283 next_str_idx)) {
4284 err = -1;
4285 goto done;
4286 }
4287 ret_types[i] = strs_idx[next_str_idx++] - str;
4288 } else if (IS_NAME_NTH(raw_types[i])) {
4289 int idx = GET_NAME_NTH_IDX(raw_types[i]);
4290
4291 if (CHECK(idx <= 0 || idx > strs_cnt,
4292 "Error getting string #%d, strs_cnt:%d",
4293 idx, strs_cnt)) {
4294 err = -1;
4295 goto done;
4296 }
4297 ret_types[i] = strs_idx[idx-1] - str;
4298 } else {
4299 ret_types[i] = raw_types[i];
4300 }
4301 }
4302 offset += type_sec_size;
4303
4304 /* Copy string section */
4305 memcpy(raw_btf + offset, str, str_sec_size);
4306
4307 ret_hdr = (struct btf_header *)raw_btf;
4308 ret_hdr->type_len = type_sec_size;
4309 ret_hdr->str_off = type_sec_size;
4310 ret_hdr->str_len = str_sec_size;
4311
4312 *btf_size = size_needed;
4313 if (ret_next_str)
4314 *ret_next_str =
4315 next_str_idx < strs_cnt ? strs_idx[next_str_idx] : NULL;
4316
4317done:
4318 free(strs_idx);
4319 if (err) {
4320 free(raw_btf);
4321 return NULL;
4322 }
4323 return raw_btf;
4324}
4325
4326static int load_raw_btf(const void *raw_data, size_t raw_size)
4327{
4328 LIBBPF_OPTS(bpf_btf_load_opts, opts);
4329 int btf_fd;
4330
4331 if (always_log) {
4332 opts.log_buf = btf_log_buf,
4333 opts.log_size = BTF_LOG_BUF_SIZE,
4334 opts.log_level = 1;
4335 }
4336
4337 btf_fd = bpf_btf_load(raw_data, raw_size, &opts);
4338 if (btf_fd < 0 && !always_log) {
4339 opts.log_buf = btf_log_buf,
4340 opts.log_size = BTF_LOG_BUF_SIZE,
4341 opts.log_level = 1;
4342 btf_fd = bpf_btf_load(raw_data, raw_size, &opts);
4343 }
4344
4345 return btf_fd;
4346}
4347
4348static void do_test_raw(unsigned int test_num)
4349{
4350 struct btf_raw_test *test = &raw_tests[test_num - 1];
4351 LIBBPF_OPTS(bpf_map_create_opts, opts);
4352 int map_fd = -1, btf_fd = -1;
4353 unsigned int raw_btf_size;
4354 struct btf_header *hdr;
4355 void *raw_btf;
4356 int err;
4357
4358 if (!test__start_subtest(test->descr))
4359 return;
4360
4361 raw_btf = btf_raw_create(hdr: &hdr_tmpl,
4362 raw_types: test->raw_types,
4363 str: test->str_sec,
4364 str_sec_size: test->str_sec_size,
4365 btf_size: &raw_btf_size, NULL);
4366 if (!raw_btf)
4367 return;
4368
4369 hdr = raw_btf;
4370
4371 hdr->hdr_len = (int)hdr->hdr_len + test->hdr_len_delta;
4372 hdr->type_off = (int)hdr->type_off + test->type_off_delta;
4373 hdr->str_off = (int)hdr->str_off + test->str_off_delta;
4374 hdr->str_len = (int)hdr->str_len + test->str_len_delta;
4375
4376 *btf_log_buf = '\0';
4377 btf_fd = load_raw_btf(raw_data: raw_btf, raw_size: raw_btf_size);
4378 free(raw_btf);
4379
4380 err = ((btf_fd < 0) != test->btf_load_err);
4381 if (CHECK(err, "btf_fd:%d test->btf_load_err:%u",
4382 btf_fd, test->btf_load_err) ||
4383 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str),
4384 "expected err_str:%s\n", test->err_str)) {
4385 err = -1;
4386 goto done;
4387 }
4388
4389 if (err || btf_fd < 0)
4390 goto done;
4391
4392 if (!test->map_type)
4393 goto done;
4394
4395 opts.btf_fd = btf_fd;
4396 opts.btf_key_type_id = test->key_type_id;
4397 opts.btf_value_type_id = test->value_type_id;
4398 map_fd = bpf_map_create(test->map_type, test->map_name,
4399 test->key_size, test->value_size, test->max_entries, &opts);
4400
4401 err = ((map_fd < 0) != test->map_create_err);
4402 CHECK(err, "map_fd:%d test->map_create_err:%u",
4403 map_fd, test->map_create_err);
4404
4405done:
4406 if (*btf_log_buf && (err || always_log))
4407 fprintf(stderr, "\n%s", btf_log_buf);
4408 if (btf_fd >= 0)
4409 close(btf_fd);
4410 if (map_fd >= 0)
4411 close(map_fd);
4412}
4413
4414struct btf_get_info_test {
4415 const char *descr;
4416 const char *str_sec;
4417 __u32 raw_types[MAX_NR_RAW_U32];
4418 __u32 str_sec_size;
4419 int btf_size_delta;
4420 int (*special_test)(unsigned int test_num);
4421};
4422
4423static int test_big_btf_info(unsigned int test_num);
4424static int test_btf_id(unsigned int test_num);
4425
4426const struct btf_get_info_test get_info_tests[] = {
4427{
4428 .descr = "== raw_btf_size+1",
4429 .raw_types = {
4430 /* int */ /* [1] */
4431 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4432 BTF_END_RAW,
4433 },
4434 .str_sec = "",
4435 .str_sec_size = sizeof(""),
4436 .btf_size_delta = 1,
4437},
4438{
4439 .descr = "== raw_btf_size-3",
4440 .raw_types = {
4441 /* int */ /* [1] */
4442 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4443 BTF_END_RAW,
4444 },
4445 .str_sec = "",
4446 .str_sec_size = sizeof(""),
4447 .btf_size_delta = -3,
4448},
4449{
4450 .descr = "Large bpf_btf_info",
4451 .raw_types = {
4452 /* int */ /* [1] */
4453 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4454 BTF_END_RAW,
4455 },
4456 .str_sec = "",
4457 .str_sec_size = sizeof(""),
4458 .special_test = test_big_btf_info,
4459},
4460{
4461 .descr = "BTF ID",
4462 .raw_types = {
4463 /* int */ /* [1] */
4464 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4465 /* unsigned int */ /* [2] */
4466 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),
4467 BTF_END_RAW,
4468 },
4469 .str_sec = "",
4470 .str_sec_size = sizeof(""),
4471 .special_test = test_btf_id,
4472},
4473};
4474
4475static int test_big_btf_info(unsigned int test_num)
4476{
4477 const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
4478 uint8_t *raw_btf = NULL, *user_btf = NULL;
4479 unsigned int raw_btf_size;
4480 struct {
4481 struct bpf_btf_info info;
4482 uint64_t garbage;
4483 } info_garbage;
4484 struct bpf_btf_info *info;
4485 int btf_fd = -1, err;
4486 uint32_t info_len;
4487
4488 raw_btf = btf_raw_create(hdr: &hdr_tmpl,
4489 raw_types: test->raw_types,
4490 str: test->str_sec,
4491 str_sec_size: test->str_sec_size,
4492 btf_size: &raw_btf_size, NULL);
4493
4494 if (!raw_btf)
4495 return -1;
4496
4497 *btf_log_buf = '\0';
4498
4499 user_btf = malloc(raw_btf_size);
4500 if (CHECK(!user_btf, "!user_btf")) {
4501 err = -1;
4502 goto done;
4503 }
4504
4505 btf_fd = load_raw_btf(raw_data: raw_btf, raw_size: raw_btf_size);
4506 if (CHECK(btf_fd < 0, "errno:%d", errno)) {
4507 err = -1;
4508 goto done;
4509 }
4510
4511 /*
4512 * GET_INFO should error out if the userspace info
4513 * has non zero tailing bytes.
4514 */
4515 info = &info_garbage.info;
4516 memset(info, 0, sizeof(*info));
4517 info_garbage.garbage = 0xdeadbeef;
4518 info_len = sizeof(info_garbage);
4519 info->btf = ptr_to_u64(user_btf);
4520 info->btf_size = raw_btf_size;
4521
4522 err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len);
4523 if (CHECK(!err, "!err")) {
4524 err = -1;
4525 goto done;
4526 }
4527
4528 /*
4529 * GET_INFO should succeed even info_len is larger than
4530 * the kernel supported as long as tailing bytes are zero.
4531 * The kernel supported info len should also be returned
4532 * to userspace.
4533 */
4534 info_garbage.garbage = 0;
4535 err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len);
4536 if (CHECK(err || info_len != sizeof(*info),
4537 "err:%d errno:%d info_len:%u sizeof(*info):%zu",
4538 err, errno, info_len, sizeof(*info))) {
4539 err = -1;
4540 goto done;
4541 }
4542
4543 fprintf(stderr, "OK");
4544
4545done:
4546 if (*btf_log_buf && (err || always_log))
4547 fprintf(stderr, "\n%s", btf_log_buf);
4548
4549 free(raw_btf);
4550 free(user_btf);
4551
4552 if (btf_fd >= 0)
4553 close(btf_fd);
4554
4555 return err;
4556}
4557
4558static int test_btf_id(unsigned int test_num)
4559{
4560 const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
4561 LIBBPF_OPTS(bpf_map_create_opts, opts);
4562 uint8_t *raw_btf = NULL, *user_btf[2] = {};
4563 int btf_fd[2] = {-1, -1}, map_fd = -1;
4564 struct bpf_map_info map_info = {};
4565 struct bpf_btf_info info[2] = {};
4566 unsigned int raw_btf_size;
4567 uint32_t info_len;
4568 int err, i, ret;
4569
4570 raw_btf = btf_raw_create(hdr: &hdr_tmpl,
4571 raw_types: test->raw_types,
4572 str: test->str_sec,
4573 str_sec_size: test->str_sec_size,
4574 btf_size: &raw_btf_size, NULL);
4575
4576 if (!raw_btf)
4577 return -1;
4578
4579 *btf_log_buf = '\0';
4580
4581 for (i = 0; i < 2; i++) {
4582 user_btf[i] = malloc(raw_btf_size);
4583 if (CHECK(!user_btf[i], "!user_btf[%d]", i)) {
4584 err = -1;
4585 goto done;
4586 }
4587 info[i].btf = ptr_to_u64(user_btf[i]);
4588 info[i].btf_size = raw_btf_size;
4589 }
4590
4591 btf_fd[0] = load_raw_btf(raw_data: raw_btf, raw_size: raw_btf_size);
4592 if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) {
4593 err = -1;
4594 goto done;
4595 }
4596
4597 /* Test BPF_OBJ_GET_INFO_BY_ID on btf_id */
4598 info_len = sizeof(info[0]);
4599 err = bpf_btf_get_info_by_fd(btf_fd[0], &info[0], &info_len);
4600 if (CHECK(err, "errno:%d", errno)) {
4601 err = -1;
4602 goto done;
4603 }
4604
4605 btf_fd[1] = bpf_btf_get_fd_by_id(info[0].id);
4606 if (CHECK(btf_fd[1] < 0, "errno:%d", errno)) {
4607 err = -1;
4608 goto done;
4609 }
4610
4611 ret = 0;
4612 err = bpf_btf_get_info_by_fd(btf_fd[1], &info[1], &info_len);
4613 if (CHECK(err || info[0].id != info[1].id ||
4614 info[0].btf_size != info[1].btf_size ||
4615 (ret = memcmp(user_btf[0], user_btf[1], info[0].btf_size)),
4616 "err:%d errno:%d id0:%u id1:%u btf_size0:%u btf_size1:%u memcmp:%d",
4617 err, errno, info[0].id, info[1].id,
4618 info[0].btf_size, info[1].btf_size, ret)) {
4619 err = -1;
4620 goto done;
4621 }
4622
4623 /* Test btf members in struct bpf_map_info */
4624 opts.btf_fd = btf_fd[0];
4625 opts.btf_key_type_id = 1;
4626 opts.btf_value_type_id = 2;
4627 map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_btf_id",
4628 sizeof(int), sizeof(int), 4, &opts);
4629 if (CHECK(map_fd < 0, "errno:%d", errno)) {
4630 err = -1;
4631 goto done;
4632 }
4633
4634 info_len = sizeof(map_info);
4635 err = bpf_map_get_info_by_fd(map_fd, &map_info, &info_len);
4636 if (CHECK(err || map_info.btf_id != info[0].id ||
4637 map_info.btf_key_type_id != 1 || map_info.btf_value_type_id != 2,
4638 "err:%d errno:%d info.id:%u btf_id:%u btf_key_type_id:%u btf_value_type_id:%u",
4639 err, errno, info[0].id, map_info.btf_id, map_info.btf_key_type_id,
4640 map_info.btf_value_type_id)) {
4641 err = -1;
4642 goto done;
4643 }
4644
4645 for (i = 0; i < 2; i++) {
4646 close(btf_fd[i]);
4647 btf_fd[i] = -1;
4648 }
4649
4650 /* Test BTF ID is removed from the kernel */
4651 btf_fd[0] = bpf_btf_get_fd_by_id(map_info.btf_id);
4652 if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) {
4653 err = -1;
4654 goto done;
4655 }
4656 close(btf_fd[0]);
4657 btf_fd[0] = -1;
4658
4659 /* The map holds the last ref to BTF and its btf_id */
4660 close(map_fd);
4661 map_fd = -1;
4662
4663 fprintf(stderr, "OK");
4664
4665done:
4666 if (*btf_log_buf && (err || always_log))
4667 fprintf(stderr, "\n%s", btf_log_buf);
4668
4669 free(raw_btf);
4670 if (map_fd >= 0)
4671 close(map_fd);
4672 for (i = 0; i < 2; i++) {
4673 free(user_btf[i]);
4674 if (btf_fd[i] >= 0)
4675 close(btf_fd[i]);
4676 }
4677
4678 return err;
4679}
4680
4681static void do_test_get_info(unsigned int test_num)
4682{
4683 const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
4684 unsigned int raw_btf_size, user_btf_size, expected_nbytes;
4685 uint8_t *raw_btf = NULL, *user_btf = NULL;
4686 struct bpf_btf_info info = {};
4687 int btf_fd = -1, err, ret;
4688 uint32_t info_len;
4689
4690 if (!test__start_subtest(test->descr))
4691 return;
4692
4693 if (test->special_test) {
4694 err = test->special_test(test_num);
4695 if (CHECK(err, "failed: %d\n", err))
4696 return;
4697 }
4698
4699 raw_btf = btf_raw_create(hdr: &hdr_tmpl,
4700 raw_types: test->raw_types,
4701 str: test->str_sec,
4702 str_sec_size: test->str_sec_size,
4703 btf_size: &raw_btf_size, NULL);
4704
4705 if (!raw_btf)
4706 return;
4707
4708 *btf_log_buf = '\0';
4709
4710 user_btf = malloc(raw_btf_size);
4711 if (CHECK(!user_btf, "!user_btf")) {
4712 err = -1;
4713 goto done;
4714 }
4715
4716 btf_fd = load_raw_btf(raw_data: raw_btf, raw_size: raw_btf_size);
4717 if (CHECK(btf_fd <= 0, "errno:%d", errno)) {
4718 err = -1;
4719 goto done;
4720 }
4721
4722 user_btf_size = (int)raw_btf_size + test->btf_size_delta;
4723 expected_nbytes = min(raw_btf_size, user_btf_size);
4724 if (raw_btf_size > expected_nbytes)
4725 memset(user_btf + expected_nbytes, 0xff,
4726 raw_btf_size - expected_nbytes);
4727
4728 info_len = sizeof(info);
4729 info.btf = ptr_to_u64(user_btf);
4730 info.btf_size = user_btf_size;
4731
4732 ret = 0;
4733 err = bpf_btf_get_info_by_fd(btf_fd, &info, &info_len);
4734 if (CHECK(err || !info.id || info_len != sizeof(info) ||
4735 info.btf_size != raw_btf_size ||
4736 (ret = memcmp(raw_btf, user_btf, expected_nbytes)),
4737 "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",
4738 err, errno, info.id, info_len, sizeof(info),
4739 raw_btf_size, info.btf_size, expected_nbytes, ret)) {
4740 err = -1;
4741 goto done;
4742 }
4743
4744 while (expected_nbytes < raw_btf_size) {
4745 fprintf(stderr, "%u...", expected_nbytes);
4746 if (CHECK(user_btf[expected_nbytes++] != 0xff,
4747 "user_btf[%u]:%x != 0xff", expected_nbytes - 1,
4748 user_btf[expected_nbytes - 1])) {
4749 err = -1;
4750 goto done;
4751 }
4752 }
4753
4754 fprintf(stderr, "OK");
4755
4756done:
4757 if (*btf_log_buf && (err || always_log))
4758 fprintf(stderr, "\n%s", btf_log_buf);
4759
4760 free(raw_btf);
4761 free(user_btf);
4762
4763 if (btf_fd >= 0)
4764 close(btf_fd);
4765}
4766
4767struct btf_file_test {
4768 const char *file;
4769 bool btf_kv_notfound;
4770};
4771
4772static struct btf_file_test file_tests[] = {
4773 { .file = "test_btf_newkv.bpf.o", },
4774 { .file = "test_btf_nokv.bpf.o", .btf_kv_notfound = true, },
4775};
4776
4777static void do_test_file(unsigned int test_num)
4778{
4779 const struct btf_file_test *test = &file_tests[test_num - 1];
4780 const char *expected_fnames[] = {"_dummy_tracepoint",
4781 "test_long_fname_1",
4782 "test_long_fname_2"};
4783 struct btf_ext *btf_ext = NULL;
4784 struct bpf_prog_info info = {};
4785 struct bpf_object *obj = NULL;
4786 struct bpf_func_info *finfo;
4787 struct bpf_program *prog;
4788 __u32 info_len, rec_size;
4789 bool has_btf_ext = false;
4790 struct btf *btf = NULL;
4791 void *func_info = NULL;
4792 struct bpf_map *map;
4793 int i, err, prog_fd;
4794
4795 if (!test__start_subtest(test->file))
4796 return;
4797
4798 btf = btf__parse_elf(test->file, &btf_ext);
4799 err = libbpf_get_error(btf);
4800 if (err) {
4801 if (err == -ENOENT) {
4802 printf("%s:SKIP: No ELF %s found", __func__, BTF_ELF_SEC);
4803 test__skip();
4804 return;
4805 }
4806 return;
4807 }
4808 btf__free(btf);
4809
4810 has_btf_ext = btf_ext != NULL;
4811 btf_ext__free(btf_ext);
4812
4813 /* temporary disable LIBBPF_STRICT_MAP_DEFINITIONS to test legacy maps */
4814 libbpf_set_strict_mode(LIBBPF_STRICT_ALL & ~LIBBPF_STRICT_MAP_DEFINITIONS);
4815 obj = bpf_object__open(test->file);
4816 err = libbpf_get_error(obj);
4817 if (CHECK(err, "obj: %d", err))
4818 return;
4819
4820 prog = bpf_object__next_program(obj, NULL);
4821 if (CHECK(!prog, "Cannot find bpf_prog")) {
4822 err = -1;
4823 goto done;
4824 }
4825
4826 bpf_program__set_type(prog, BPF_PROG_TYPE_TRACEPOINT);
4827 err = bpf_object__load(obj);
4828 if (CHECK(err < 0, "bpf_object__load: %d", err))
4829 goto done;
4830 prog_fd = bpf_program__fd(prog);
4831
4832 map = bpf_object__find_map_by_name(obj, "btf_map");
4833 if (CHECK(!map, "btf_map not found")) {
4834 err = -1;
4835 goto done;
4836 }
4837
4838 err = (bpf_map__btf_key_type_id(map) == 0 || bpf_map__btf_value_type_id(map) == 0)
4839 != test->btf_kv_notfound;
4840 if (CHECK(err, "btf_key_type_id:%u btf_value_type_id:%u test->btf_kv_notfound:%u",
4841 bpf_map__btf_key_type_id(map), bpf_map__btf_value_type_id(map),
4842 test->btf_kv_notfound))
4843 goto done;
4844
4845 if (!has_btf_ext)
4846 goto skip;
4847
4848 /* get necessary program info */
4849 info_len = sizeof(struct bpf_prog_info);
4850 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
4851
4852 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) {
4853 fprintf(stderr, "%s\n", btf_log_buf);
4854 err = -1;
4855 goto done;
4856 }
4857 if (CHECK(info.nr_func_info != 3,
4858 "incorrect info.nr_func_info (1st) %d",
4859 info.nr_func_info)) {
4860 err = -1;
4861 goto done;
4862 }
4863 rec_size = info.func_info_rec_size;
4864 if (CHECK(rec_size != sizeof(struct bpf_func_info),
4865 "incorrect info.func_info_rec_size (1st) %d\n", rec_size)) {
4866 err = -1;
4867 goto done;
4868 }
4869
4870 func_info = malloc(info.nr_func_info * rec_size);
4871 if (CHECK(!func_info, "out of memory")) {
4872 err = -1;
4873 goto done;
4874 }
4875
4876 /* reset info to only retrieve func_info related data */
4877 memset(&info, 0, sizeof(info));
4878 info.nr_func_info = 3;
4879 info.func_info_rec_size = rec_size;
4880 info.func_info = ptr_to_u64(func_info);
4881
4882 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
4883
4884 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) {
4885 fprintf(stderr, "%s\n", btf_log_buf);
4886 err = -1;
4887 goto done;
4888 }
4889 if (CHECK(info.nr_func_info != 3,
4890 "incorrect info.nr_func_info (2nd) %d",
4891 info.nr_func_info)) {
4892 err = -1;
4893 goto done;
4894 }
4895 if (CHECK(info.func_info_rec_size != rec_size,
4896 "incorrect info.func_info_rec_size (2nd) %d",
4897 info.func_info_rec_size)) {
4898 err = -1;
4899 goto done;
4900 }
4901
4902 btf = btf__load_from_kernel_by_id(info.btf_id);
4903 err = libbpf_get_error(btf);
4904 if (CHECK(err, "cannot get btf from kernel, err: %d", err))
4905 goto done;
4906
4907 /* check three functions */
4908 finfo = func_info;
4909 for (i = 0; i < 3; i++) {
4910 const struct btf_type *t;
4911 const char *fname;
4912
4913 t = btf__type_by_id(btf, finfo->type_id);
4914 if (CHECK(!t, "btf__type_by_id failure: id %u",
4915 finfo->type_id)) {
4916 err = -1;
4917 goto done;
4918 }
4919
4920 fname = btf__name_by_offset(btf, t->name_off);
4921 err = strcmp(fname, expected_fnames[i]);
4922 /* for the second and third functions in .text section,
4923 * the compiler may order them either way.
4924 */
4925 if (i && err)
4926 err = strcmp(fname, expected_fnames[3 - i]);
4927 if (CHECK(err, "incorrect fname %s", fname ? : "")) {
4928 err = -1;
4929 goto done;
4930 }
4931
4932 finfo = (void *)finfo + rec_size;
4933 }
4934
4935skip:
4936 fprintf(stderr, "OK");
4937
4938done:
4939 libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
4940
4941 btf__free(btf);
4942 free(func_info);
4943 bpf_object__close(obj);
4944}
4945
4946const char *pprint_enum_str[] = {
4947 "ENUM_ZERO",
4948 "ENUM_ONE",
4949 "ENUM_TWO",
4950 "ENUM_THREE",
4951};
4952
4953struct pprint_mapv {
4954 uint32_t ui32;
4955 uint16_t ui16;
4956 /* 2 bytes hole */
4957 int32_t si32;
4958 uint32_t unused_bits2a:2,
4959 bits28:28,
4960 unused_bits2b:2;
4961 union {
4962 uint64_t ui64;
4963 uint8_t ui8a[8];
4964 };
4965 enum {
4966 ENUM_ZERO,
4967 ENUM_ONE,
4968 ENUM_TWO,
4969 ENUM_THREE,
4970 } aenum;
4971 uint32_t ui32b;
4972 uint32_t bits2c:2;
4973 uint8_t si8_4[2][2];
4974};
4975
4976#ifdef __SIZEOF_INT128__
4977struct pprint_mapv_int128 {
4978 __int128 si128a;
4979 __int128 si128b;
4980 unsigned __int128 bits3:3;
4981 unsigned __int128 bits80:80;
4982 unsigned __int128 ui128;
4983};
4984#endif
4985
4986static struct btf_raw_test pprint_test_template[] = {
4987{
4988 .raw_types = {
4989 /* unsighed char */ /* [1] */
4990 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
4991 /* unsigned short */ /* [2] */
4992 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
4993 /* unsigned int */ /* [3] */
4994 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
4995 /* int */ /* [4] */
4996 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
4997 /* unsigned long long */ /* [5] */
4998 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
4999 /* 2 bits */ /* [6] */
5000 BTF_TYPE_INT_ENC(0, 0, 0, 2, 2),
5001 /* 28 bits */ /* [7] */
5002 BTF_TYPE_INT_ENC(0, 0, 0, 28, 4),
5003 /* uint8_t[8] */ /* [8] */
5004 BTF_TYPE_ARRAY_ENC(9, 1, 8),
5005 /* typedef unsigned char uint8_t */ /* [9] */
5006 BTF_TYPEDEF_ENC(NAME_TBD, 1),
5007 /* typedef unsigned short uint16_t */ /* [10] */
5008 BTF_TYPEDEF_ENC(NAME_TBD, 2),
5009 /* typedef unsigned int uint32_t */ /* [11] */
5010 BTF_TYPEDEF_ENC(NAME_TBD, 3),
5011 /* typedef int int32_t */ /* [12] */
5012 BTF_TYPEDEF_ENC(NAME_TBD, 4),
5013 /* typedef unsigned long long uint64_t *//* [13] */
5014 BTF_TYPEDEF_ENC(NAME_TBD, 5),
5015 /* union (anon) */ /* [14] */
5016 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
5017 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
5018 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */
5019 /* enum (anon) */ /* [15] */
5020 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
5021 BTF_ENUM_ENC(NAME_TBD, 0),
5022 BTF_ENUM_ENC(NAME_TBD, 1),
5023 BTF_ENUM_ENC(NAME_TBD, 2),
5024 BTF_ENUM_ENC(NAME_TBD, 3),
5025 /* struct pprint_mapv */ /* [16] */
5026 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 11), 40),
5027 BTF_MEMBER_ENC(NAME_TBD, 11, 0), /* uint32_t ui32 */
5028 BTF_MEMBER_ENC(NAME_TBD, 10, 32), /* uint16_t ui16 */
5029 BTF_MEMBER_ENC(NAME_TBD, 12, 64), /* int32_t si32 */
5030 BTF_MEMBER_ENC(NAME_TBD, 6, 96), /* unused_bits2a */
5031 BTF_MEMBER_ENC(NAME_TBD, 7, 98), /* bits28 */
5032 BTF_MEMBER_ENC(NAME_TBD, 6, 126), /* unused_bits2b */
5033 BTF_MEMBER_ENC(0, 14, 128), /* union (anon) */
5034 BTF_MEMBER_ENC(NAME_TBD, 15, 192), /* aenum */
5035 BTF_MEMBER_ENC(NAME_TBD, 11, 224), /* uint32_t ui32b */
5036 BTF_MEMBER_ENC(NAME_TBD, 6, 256), /* bits2c */
5037 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */
5038 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */
5039 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */
5040 BTF_END_RAW,
5041 },
5042 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"),
5043 .key_size = sizeof(unsigned int),
5044 .value_size = sizeof(struct pprint_mapv),
5045 .key_type_id = 3, /* unsigned int */
5046 .value_type_id = 16, /* struct pprint_mapv */
5047 .max_entries = 128,
5048},
5049
5050{
5051 /* this type will have the same type as the
5052 * first .raw_types definition, but struct type will
5053 * be encoded with kind_flag set.
5054 */
5055 .raw_types = {
5056 /* unsighed char */ /* [1] */
5057 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
5058 /* unsigned short */ /* [2] */
5059 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
5060 /* unsigned int */ /* [3] */
5061 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
5062 /* int */ /* [4] */
5063 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
5064 /* unsigned long long */ /* [5] */
5065 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
5066 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */
5067 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */
5068 /* uint8_t[8] */ /* [8] */
5069 BTF_TYPE_ARRAY_ENC(9, 1, 8),
5070 /* typedef unsigned char uint8_t */ /* [9] */
5071 BTF_TYPEDEF_ENC(NAME_TBD, 1),
5072 /* typedef unsigned short uint16_t */ /* [10] */
5073 BTF_TYPEDEF_ENC(NAME_TBD, 2),
5074 /* typedef unsigned int uint32_t */ /* [11] */
5075 BTF_TYPEDEF_ENC(NAME_TBD, 3),
5076 /* typedef int int32_t */ /* [12] */
5077 BTF_TYPEDEF_ENC(NAME_TBD, 4),
5078 /* typedef unsigned long long uint64_t *//* [13] */
5079 BTF_TYPEDEF_ENC(NAME_TBD, 5),
5080 /* union (anon) */ /* [14] */
5081 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
5082 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
5083 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */
5084 /* enum (anon) */ /* [15] */
5085 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
5086 BTF_ENUM_ENC(NAME_TBD, 0),
5087 BTF_ENUM_ENC(NAME_TBD, 1),
5088 BTF_ENUM_ENC(NAME_TBD, 2),
5089 BTF_ENUM_ENC(NAME_TBD, 3),
5090 /* struct pprint_mapv */ /* [16] */
5091 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40),
5092 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */
5093 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */
5094 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */
5095 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */
5096 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */
5097 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 126)), /* unused_bits2b */
5098 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */
5099 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */
5100 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */
5101 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */
5102 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */
5103 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */
5104 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */
5105 BTF_END_RAW,
5106 },
5107 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"),
5108 .key_size = sizeof(unsigned int),
5109 .value_size = sizeof(struct pprint_mapv),
5110 .key_type_id = 3, /* unsigned int */
5111 .value_type_id = 16, /* struct pprint_mapv */
5112 .max_entries = 128,
5113},
5114
5115{
5116 /* this type will have the same layout as the
5117 * first .raw_types definition. The struct type will
5118 * be encoded with kind_flag set, bitfield members
5119 * are added typedef/const/volatile, and bitfield members
5120 * will have both int and enum types.
5121 */
5122 .raw_types = {
5123 /* unsighed char */ /* [1] */
5124 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
5125 /* unsigned short */ /* [2] */
5126 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
5127 /* unsigned int */ /* [3] */
5128 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
5129 /* int */ /* [4] */
5130 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
5131 /* unsigned long long */ /* [5] */
5132 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
5133 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */
5134 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */
5135 /* uint8_t[8] */ /* [8] */
5136 BTF_TYPE_ARRAY_ENC(9, 1, 8),
5137 /* typedef unsigned char uint8_t */ /* [9] */
5138 BTF_TYPEDEF_ENC(NAME_TBD, 1),
5139 /* typedef unsigned short uint16_t */ /* [10] */
5140 BTF_TYPEDEF_ENC(NAME_TBD, 2),
5141 /* typedef unsigned int uint32_t */ /* [11] */
5142 BTF_TYPEDEF_ENC(NAME_TBD, 3),
5143 /* typedef int int32_t */ /* [12] */
5144 BTF_TYPEDEF_ENC(NAME_TBD, 4),
5145 /* typedef unsigned long long uint64_t *//* [13] */
5146 BTF_TYPEDEF_ENC(NAME_TBD, 5),
5147 /* union (anon) */ /* [14] */
5148 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
5149 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
5150 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */
5151 /* enum (anon) */ /* [15] */
5152 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
5153 BTF_ENUM_ENC(NAME_TBD, 0),
5154 BTF_ENUM_ENC(NAME_TBD, 1),
5155 BTF_ENUM_ENC(NAME_TBD, 2),
5156 BTF_ENUM_ENC(NAME_TBD, 3),
5157 /* struct pprint_mapv */ /* [16] */
5158 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40),
5159 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */
5160 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */
5161 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */
5162 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */
5163 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */
5164 BTF_MEMBER_ENC(NAME_TBD, 19, BTF_MEMBER_OFFSET(2, 126)),/* unused_bits2b */
5165 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */
5166 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */
5167 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */
5168 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */
5169 BTF_MEMBER_ENC(NAME_TBD, 20, BTF_MEMBER_OFFSET(0, 264)), /* si8_4 */
5170 /* typedef unsigned int ___int */ /* [17] */
5171 BTF_TYPEDEF_ENC(NAME_TBD, 18),
5172 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 6), /* [18] */
5173 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 15), /* [19] */
5174 BTF_TYPE_ARRAY_ENC(21, 1, 2), /* [20] */
5175 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [21] */
5176 BTF_END_RAW,
5177 },
5178 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"),
5179 .key_size = sizeof(unsigned int),
5180 .value_size = sizeof(struct pprint_mapv),
5181 .key_type_id = 3, /* unsigned int */
5182 .value_type_id = 16, /* struct pprint_mapv */
5183 .max_entries = 128,
5184},
5185
5186#ifdef __SIZEOF_INT128__
5187{
5188 /* test int128 */
5189 .raw_types = {
5190 /* unsigned int */ /* [1] */
5191 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
5192 /* __int128 */ /* [2] */
5193 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 128, 16),
5194 /* unsigned __int128 */ /* [3] */
5195 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 128, 16),
5196 /* struct pprint_mapv_int128 */ /* [4] */
5197 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 5), 64),
5198 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), /* si128a */
5199 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 128)), /* si128b */
5200 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(3, 256)), /* bits3 */
5201 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(80, 259)), /* bits80 */
5202 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(0, 384)), /* ui128 */
5203 BTF_END_RAW,
5204 },
5205 BTF_STR_SEC("\0unsigned int\0__int128\0unsigned __int128\0pprint_mapv_int128\0si128a\0si128b\0bits3\0bits80\0ui128"),
5206 .key_size = sizeof(unsigned int),
5207 .value_size = sizeof(struct pprint_mapv_int128),
5208 .key_type_id = 1,
5209 .value_type_id = 4,
5210 .max_entries = 128,
5211 .mapv_kind = PPRINT_MAPV_KIND_INT128,
5212},
5213#endif
5214
5215};
5216
5217static struct btf_pprint_test_meta {
5218 const char *descr;
5219 enum bpf_map_type map_type;
5220 const char *map_name;
5221 bool ordered_map;
5222 bool lossless_map;
5223 bool percpu_map;
5224} pprint_tests_meta[] = {
5225{
5226 .descr = "BTF pretty print array",
5227 .map_type = BPF_MAP_TYPE_ARRAY,
5228 .map_name = "pprint_test_array",
5229 .ordered_map = true,
5230 .lossless_map = true,
5231 .percpu_map = false,
5232},
5233
5234{
5235 .descr = "BTF pretty print hash",
5236 .map_type = BPF_MAP_TYPE_HASH,
5237 .map_name = "pprint_test_hash",
5238 .ordered_map = false,
5239 .lossless_map = true,
5240 .percpu_map = false,
5241},
5242
5243{
5244 .descr = "BTF pretty print lru hash",
5245 .map_type = BPF_MAP_TYPE_LRU_HASH,
5246 .map_name = "pprint_test_lru_hash",
5247 .ordered_map = false,
5248 .lossless_map = false,
5249 .percpu_map = false,
5250},
5251
5252{
5253 .descr = "BTF pretty print percpu array",
5254 .map_type = BPF_MAP_TYPE_PERCPU_ARRAY,
5255 .map_name = "pprint_test_percpu_array",
5256 .ordered_map = true,
5257 .lossless_map = true,
5258 .percpu_map = true,
5259},
5260
5261{
5262 .descr = "BTF pretty print percpu hash",
5263 .map_type = BPF_MAP_TYPE_PERCPU_HASH,
5264 .map_name = "pprint_test_percpu_hash",
5265 .ordered_map = false,
5266 .lossless_map = true,
5267 .percpu_map = true,
5268},
5269
5270{
5271 .descr = "BTF pretty print lru percpu hash",
5272 .map_type = BPF_MAP_TYPE_LRU_PERCPU_HASH,
5273 .map_name = "pprint_test_lru_percpu_hash",
5274 .ordered_map = false,
5275 .lossless_map = false,
5276 .percpu_map = true,
5277},
5278
5279};
5280
5281static size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind)
5282{
5283 if (mapv_kind == PPRINT_MAPV_KIND_BASIC)
5284 return sizeof(struct pprint_mapv);
5285
5286#ifdef __SIZEOF_INT128__
5287 if (mapv_kind == PPRINT_MAPV_KIND_INT128)
5288 return sizeof(struct pprint_mapv_int128);
5289#endif
5290
5291 assert(0);
5292 return 0;
5293}
5294
5295static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind,
5296 void *mapv, uint32_t i,
5297 int num_cpus, int rounded_value_size)
5298{
5299 int cpu;
5300
5301 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
5302 struct pprint_mapv *v = mapv;
5303
5304 for (cpu = 0; cpu < num_cpus; cpu++) {
5305 v->ui32 = i + cpu;
5306 v->si32 = -i;
5307 v->unused_bits2a = 3;
5308 v->bits28 = i;
5309 v->unused_bits2b = 3;
5310 v->ui64 = i;
5311 v->aenum = i & 0x03;
5312 v->ui32b = 4;
5313 v->bits2c = 1;
5314 v->si8_4[0][0] = (cpu + i) & 0xff;
5315 v->si8_4[0][1] = (cpu + i + 1) & 0xff;
5316 v->si8_4[1][0] = (cpu + i + 2) & 0xff;
5317 v->si8_4[1][1] = (cpu + i + 3) & 0xff;
5318 v = (void *)v + rounded_value_size;
5319 }
5320 }
5321
5322#ifdef __SIZEOF_INT128__
5323 if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
5324 struct pprint_mapv_int128 *v = mapv;
5325
5326 for (cpu = 0; cpu < num_cpus; cpu++) {
5327 v->si128a = i;
5328 v->si128b = -i;
5329 v->bits3 = i & 0x07;
5330 v->bits80 = (((unsigned __int128)1) << 64) + i;
5331 v->ui128 = (((unsigned __int128)2) << 64) + i;
5332 v = (void *)v + rounded_value_size;
5333 }
5334 }
5335#endif
5336}
5337
5338ssize_t get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind,
5339 char *expected_line, ssize_t line_size,
5340 bool percpu_map, unsigned int next_key,
5341 int cpu, void *mapv)
5342{
5343 ssize_t nexpected_line = -1;
5344
5345 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
5346 struct pprint_mapv *v = mapv;
5347
5348 nexpected_line = snprintf(buf: expected_line, size: line_size,
5349 fmt: "%s%u: {%u,0,%d,0x%x,0x%x,0x%x,"
5350 "{%llu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s,"
5351 "%u,0x%x,[[%d,%d],[%d,%d]]}\n",
5352 percpu_map ? "\tcpu" : "",
5353 percpu_map ? cpu : next_key,
5354 v->ui32, v->si32,
5355 v->unused_bits2a,
5356 v->bits28,
5357 v->unused_bits2b,
5358 (__u64)v->ui64,
5359 v->ui8a[0], v->ui8a[1],
5360 v->ui8a[2], v->ui8a[3],
5361 v->ui8a[4], v->ui8a[5],
5362 v->ui8a[6], v->ui8a[7],
5363 pprint_enum_str[v->aenum],
5364 v->ui32b,
5365 v->bits2c,
5366 v->si8_4[0][0], v->si8_4[0][1],
5367 v->si8_4[1][0], v->si8_4[1][1]);
5368 }
5369
5370#ifdef __SIZEOF_INT128__
5371 if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
5372 struct pprint_mapv_int128 *v = mapv;
5373
5374 nexpected_line = snprintf(buf: expected_line, size: line_size,
5375 fmt: "%s%u: {0x%lx,0x%lx,0x%lx,"
5376 "0x%lx%016lx,0x%lx%016lx}\n",
5377 percpu_map ? "\tcpu" : "",
5378 percpu_map ? cpu : next_key,
5379 (uint64_t)v->si128a,
5380 (uint64_t)v->si128b,
5381 (uint64_t)v->bits3,
5382 (uint64_t)(v->bits80 >> 64),
5383 (uint64_t)v->bits80,
5384 (uint64_t)(v->ui128 >> 64),
5385 (uint64_t)v->ui128);
5386 }
5387#endif
5388
5389 return nexpected_line;
5390}
5391
5392static int check_line(const char *expected_line, int nexpected_line,
5393 int expected_line_len, const char *line)
5394{
5395 if (CHECK(nexpected_line == expected_line_len,
5396 "expected_line is too long"))
5397 return -1;
5398
5399 if (strcmp(expected_line, line)) {
5400 fprintf(stderr, "unexpected pprint output\n");
5401 fprintf(stderr, "expected: %s", expected_line);
5402 fprintf(stderr, " read: %s", line);
5403 return -1;
5404 }
5405
5406 return 0;
5407}
5408
5409
5410static void do_test_pprint(int test_num)
5411{
5412 const struct btf_raw_test *test = &pprint_test_template[test_num];
5413 enum pprint_mapv_kind_t mapv_kind = test->mapv_kind;
5414 LIBBPF_OPTS(bpf_map_create_opts, opts);
5415 bool ordered_map, lossless_map, percpu_map;
5416 int err, ret, num_cpus, rounded_value_size;
5417 unsigned int key, nr_read_elems;
5418 int map_fd = -1, btf_fd = -1;
5419 unsigned int raw_btf_size;
5420 char expected_line[255];
5421 FILE *pin_file = NULL;
5422 char pin_path[255];
5423 size_t line_len = 0;
5424 char *line = NULL;
5425 void *mapv = NULL;
5426 uint8_t *raw_btf;
5427 ssize_t nread;
5428
5429 if (!test__start_subtest(test->descr))
5430 return;
5431
5432 raw_btf = btf_raw_create(hdr: &hdr_tmpl, raw_types: test->raw_types,
5433 str: test->str_sec, str_sec_size: test->str_sec_size,
5434 btf_size: &raw_btf_size, NULL);
5435
5436 if (!raw_btf)
5437 return;
5438
5439 *btf_log_buf = '\0';
5440 btf_fd = load_raw_btf(raw_data: raw_btf, raw_size: raw_btf_size);
5441 free(raw_btf);
5442
5443 if (CHECK(btf_fd < 0, "errno:%d\n", errno)) {
5444 err = -1;
5445 goto done;
5446 }
5447
5448 opts.btf_fd = btf_fd;
5449 opts.btf_key_type_id = test->key_type_id;
5450 opts.btf_value_type_id = test->value_type_id;
5451 map_fd = bpf_map_create(test->map_type, test->map_name,
5452 test->key_size, test->value_size, test->max_entries, &opts);
5453 if (CHECK(map_fd < 0, "errno:%d", errno)) {
5454 err = -1;
5455 goto done;
5456 }
5457
5458 ret = snprintf(buf: pin_path, size: sizeof(pin_path), fmt: "%s/%s",
5459 "/sys/fs/bpf", test->map_name);
5460
5461 if (CHECK(ret >= sizeof(pin_path), "pin_path %s/%s is too long",
5462 "/sys/fs/bpf", test->map_name)) {
5463 err = -1;
5464 goto done;
5465 }
5466
5467 err = bpf_obj_pin(map_fd, pin_path);
5468 if (CHECK(err, "bpf_obj_pin(%s): errno:%d.", pin_path, errno))
5469 goto done;
5470
5471 percpu_map = test->percpu_map;
5472 num_cpus = percpu_map ? bpf_num_possible_cpus() : 1;
5473 rounded_value_size = round_up(get_pprint_mapv_size(mapv_kind), 8);
5474 mapv = calloc(num_cpus, rounded_value_size);
5475 if (CHECK(!mapv, "mapv allocation failure")) {
5476 err = -1;
5477 goto done;
5478 }
5479
5480 for (key = 0; key < test->max_entries; key++) {
5481 set_pprint_mapv(mapv_kind, mapv, i: key, num_cpus, rounded_value_size);
5482 bpf_map_update_elem(map_fd, &key, mapv, 0);
5483 }
5484
5485 pin_file = fopen(pin_path, "r");
5486 if (CHECK(!pin_file, "fopen(%s): errno:%d", pin_path, errno)) {
5487 err = -1;
5488 goto done;
5489 }
5490
5491 /* Skip lines start with '#' */
5492 while ((nread = getline(&line, &line_len, pin_file)) > 0 &&
5493 *line == '#')
5494 ;
5495
5496 if (CHECK(nread <= 0, "Unexpected EOF")) {
5497 err = -1;
5498 goto done;
5499 }
5500
5501 nr_read_elems = 0;
5502 ordered_map = test->ordered_map;
5503 lossless_map = test->lossless_map;
5504 do {
5505 ssize_t nexpected_line;
5506 unsigned int next_key;
5507 void *cmapv;
5508 int cpu;
5509
5510 next_key = ordered_map ? nr_read_elems : atoi(line);
5511 set_pprint_mapv(mapv_kind, mapv, i: next_key, num_cpus, rounded_value_size);
5512 cmapv = mapv;
5513
5514 for (cpu = 0; cpu < num_cpus; cpu++) {
5515 if (percpu_map) {
5516 /* for percpu map, the format looks like:
5517 * <key>: {
5518 * cpu0: <value_on_cpu0>
5519 * cpu1: <value_on_cpu1>
5520 * ...
5521 * cpun: <value_on_cpun>
5522 * }
5523 *
5524 * let us verify the line containing the key here.
5525 */
5526 if (cpu == 0) {
5527 nexpected_line = snprintf(buf: expected_line,
5528 size: sizeof(expected_line),
5529 fmt: "%u: {\n",
5530 next_key);
5531
5532 err = check_line(expected_line, nexpected_line,
5533 expected_line_len: sizeof(expected_line), line);
5534 if (err < 0)
5535 goto done;
5536 }
5537
5538 /* read value@cpu */
5539 nread = getline(&line, &line_len, pin_file);
5540 if (nread < 0)
5541 break;
5542 }
5543
5544 nexpected_line = get_pprint_expected_line(mapv_kind, expected_line,
5545 line_size: sizeof(expected_line),
5546 percpu_map, next_key,
5547 cpu, mapv: cmapv);
5548 err = check_line(expected_line, nexpected_line,
5549 expected_line_len: sizeof(expected_line), line);
5550 if (err < 0)
5551 goto done;
5552
5553 cmapv = cmapv + rounded_value_size;
5554 }
5555
5556 if (percpu_map) {
5557 /* skip the last bracket for the percpu map */
5558 nread = getline(&line, &line_len, pin_file);
5559 if (nread < 0)
5560 break;
5561 }
5562
5563 nread = getline(&line, &line_len, pin_file);
5564 } while (++nr_read_elems < test->max_entries && nread > 0);
5565
5566 if (lossless_map &&
5567 CHECK(nr_read_elems < test->max_entries,
5568 "Unexpected EOF. nr_read_elems:%u test->max_entries:%u",
5569 nr_read_elems, test->max_entries)) {
5570 err = -1;
5571 goto done;
5572 }
5573
5574 if (CHECK(nread > 0, "Unexpected extra pprint output: %s", line)) {
5575 err = -1;
5576 goto done;
5577 }
5578
5579 err = 0;
5580
5581done:
5582 if (mapv)
5583 free(mapv);
5584 if (!err)
5585 fprintf(stderr, "OK");
5586 if (*btf_log_buf && (err || always_log))
5587 fprintf(stderr, "\n%s", btf_log_buf);
5588 if (btf_fd >= 0)
5589 close(btf_fd);
5590 if (map_fd >= 0)
5591 close(map_fd);
5592 if (pin_file)
5593 fclose(pin_file);
5594 unlink(pin_path);
5595 free(line);
5596}
5597
5598static void test_pprint(void)
5599{
5600 unsigned int i;
5601
5602 /* test various maps with the first test template */
5603 for (i = 0; i < ARRAY_SIZE(pprint_tests_meta); i++) {
5604 pprint_test_template[0].descr = pprint_tests_meta[i].descr;
5605 pprint_test_template[0].map_type = pprint_tests_meta[i].map_type;
5606 pprint_test_template[0].map_name = pprint_tests_meta[i].map_name;
5607 pprint_test_template[0].ordered_map = pprint_tests_meta[i].ordered_map;
5608 pprint_test_template[0].lossless_map = pprint_tests_meta[i].lossless_map;
5609 pprint_test_template[0].percpu_map = pprint_tests_meta[i].percpu_map;
5610
5611 do_test_pprint(test_num: 0);
5612 }
5613
5614 /* test rest test templates with the first map */
5615 for (i = 1; i < ARRAY_SIZE(pprint_test_template); i++) {
5616 pprint_test_template[i].descr = pprint_tests_meta[0].descr;
5617 pprint_test_template[i].map_type = pprint_tests_meta[0].map_type;
5618 pprint_test_template[i].map_name = pprint_tests_meta[0].map_name;
5619 pprint_test_template[i].ordered_map = pprint_tests_meta[0].ordered_map;
5620 pprint_test_template[i].lossless_map = pprint_tests_meta[0].lossless_map;
5621 pprint_test_template[i].percpu_map = pprint_tests_meta[0].percpu_map;
5622 do_test_pprint(test_num: i);
5623 }
5624}
5625
5626#define BPF_LINE_INFO_ENC(insn_off, file_off, line_off, line_num, line_col) \
5627 (insn_off), (file_off), (line_off), ((line_num) << 10 | ((line_col) & 0x3ff))
5628
5629static struct prog_info_raw_test {
5630 const char *descr;
5631 const char *str_sec;
5632 const char *err_str;
5633 __u32 raw_types[MAX_NR_RAW_U32];
5634 __u32 str_sec_size;
5635 struct bpf_insn insns[MAX_INSNS];
5636 __u32 prog_type;
5637 __u32 func_info[MAX_SUBPROGS][2];
5638 __u32 func_info_rec_size;
5639 __u32 func_info_cnt;
5640 __u32 line_info[MAX_NR_RAW_U32];
5641 __u32 line_info_rec_size;
5642 __u32 nr_jited_ksyms;
5643 bool expected_prog_load_failure;
5644 __u32 dead_code_cnt;
5645 __u32 dead_code_mask;
5646 __u32 dead_func_cnt;
5647 __u32 dead_func_mask;
5648} info_raw_tests[] = {
5649{
5650 .descr = "func_type (main func + one sub)",
5651 .raw_types = {
5652 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5653 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5654 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5655 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5656 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5657 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5658 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5659 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5660 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5661 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5662 BTF_END_RAW,
5663 },
5664 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5665 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5666 .insns = {
5667 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5668 BPF_MOV64_IMM(BPF_REG_0, 1),
5669 BPF_EXIT_INSN(),
5670 BPF_MOV64_IMM(BPF_REG_0, 2),
5671 BPF_EXIT_INSN(),
5672 },
5673 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5674 .func_info = { {0, 5}, {3, 6} },
5675 .func_info_rec_size = 8,
5676 .func_info_cnt = 2,
5677 .line_info = { BTF_END_RAW },
5678},
5679
5680{
5681 .descr = "func_type (Incorrect func_info_rec_size)",
5682 .raw_types = {
5683 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5684 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5685 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5686 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5687 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5688 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5689 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5690 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5691 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5692 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5693 BTF_END_RAW,
5694 },
5695 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5696 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5697 .insns = {
5698 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5699 BPF_MOV64_IMM(BPF_REG_0, 1),
5700 BPF_EXIT_INSN(),
5701 BPF_MOV64_IMM(BPF_REG_0, 2),
5702 BPF_EXIT_INSN(),
5703 },
5704 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5705 .func_info = { {0, 5}, {3, 6} },
5706 .func_info_rec_size = 4,
5707 .func_info_cnt = 2,
5708 .line_info = { BTF_END_RAW },
5709 .expected_prog_load_failure = true,
5710},
5711
5712{
5713 .descr = "func_type (Incorrect func_info_cnt)",
5714 .raw_types = {
5715 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5716 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5717 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5718 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5719 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5720 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5721 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5722 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5723 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5724 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5725 BTF_END_RAW,
5726 },
5727 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5728 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5729 .insns = {
5730 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5731 BPF_MOV64_IMM(BPF_REG_0, 1),
5732 BPF_EXIT_INSN(),
5733 BPF_MOV64_IMM(BPF_REG_0, 2),
5734 BPF_EXIT_INSN(),
5735 },
5736 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5737 .func_info = { {0, 5}, {3, 6} },
5738 .func_info_rec_size = 8,
5739 .func_info_cnt = 1,
5740 .line_info = { BTF_END_RAW },
5741 .expected_prog_load_failure = true,
5742},
5743
5744{
5745 .descr = "func_type (Incorrect bpf_func_info.insn_off)",
5746 .raw_types = {
5747 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5748 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5749 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5750 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5751 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5752 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5753 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5754 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5755 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5756 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5757 BTF_END_RAW,
5758 },
5759 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5760 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5761 .insns = {
5762 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5763 BPF_MOV64_IMM(BPF_REG_0, 1),
5764 BPF_EXIT_INSN(),
5765 BPF_MOV64_IMM(BPF_REG_0, 2),
5766 BPF_EXIT_INSN(),
5767 },
5768 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5769 .func_info = { {0, 5}, {2, 6} },
5770 .func_info_rec_size = 8,
5771 .func_info_cnt = 2,
5772 .line_info = { BTF_END_RAW },
5773 .expected_prog_load_failure = true,
5774},
5775
5776{
5777 .descr = "line_info (No subprog)",
5778 .raw_types = {
5779 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5780 BTF_END_RAW,
5781 },
5782 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5783 .insns = {
5784 BPF_MOV64_IMM(BPF_REG_0, 1),
5785 BPF_MOV64_IMM(BPF_REG_1, 2),
5786 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5787 BPF_EXIT_INSN(),
5788 },
5789 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5790 .func_info_cnt = 0,
5791 .line_info = {
5792 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5793 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
5794 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
5795 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
5796 BTF_END_RAW,
5797 },
5798 .line_info_rec_size = sizeof(struct bpf_line_info),
5799 .nr_jited_ksyms = 1,
5800},
5801
5802{
5803 .descr = "line_info (No subprog. insn_off >= prog->len)",
5804 .raw_types = {
5805 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5806 BTF_END_RAW,
5807 },
5808 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5809 .insns = {
5810 BPF_MOV64_IMM(BPF_REG_0, 1),
5811 BPF_MOV64_IMM(BPF_REG_1, 2),
5812 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5813 BPF_EXIT_INSN(),
5814 },
5815 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5816 .func_info_cnt = 0,
5817 .line_info = {
5818 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5819 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
5820 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
5821 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
5822 BPF_LINE_INFO_ENC(4, 0, 0, 5, 6),
5823 BTF_END_RAW,
5824 },
5825 .line_info_rec_size = sizeof(struct bpf_line_info),
5826 .nr_jited_ksyms = 1,
5827 .err_str = "line_info[4].insn_off",
5828 .expected_prog_load_failure = true,
5829},
5830
5831{
5832 .descr = "line_info (Zero bpf insn code)",
5833 .raw_types = {
5834 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5835 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), /* [2] */
5836 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [3] */
5837 BTF_END_RAW,
5838 },
5839 BTF_STR_SEC("\0int\0unsigned long\0u64\0u64 a=1;\0return a;"),
5840 .insns = {
5841 BPF_LD_IMM64(BPF_REG_0, 1),
5842 BPF_EXIT_INSN(),
5843 },
5844 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5845 .func_info_cnt = 0,
5846 .line_info = {
5847 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5848 BPF_LINE_INFO_ENC(1, 0, 0, 2, 9),
5849 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
5850 BTF_END_RAW,
5851 },
5852 .line_info_rec_size = sizeof(struct bpf_line_info),
5853 .nr_jited_ksyms = 1,
5854 .err_str = "Invalid insn code at line_info[1]",
5855 .expected_prog_load_failure = true,
5856},
5857
5858{
5859 .descr = "line_info (No subprog. zero tailing line_info",
5860 .raw_types = {
5861 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5862 BTF_END_RAW,
5863 },
5864 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5865 .insns = {
5866 BPF_MOV64_IMM(BPF_REG_0, 1),
5867 BPF_MOV64_IMM(BPF_REG_1, 2),
5868 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5869 BPF_EXIT_INSN(),
5870 },
5871 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5872 .func_info_cnt = 0,
5873 .line_info = {
5874 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0,
5875 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0,
5876 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0,
5877 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 0,
5878 BTF_END_RAW,
5879 },
5880 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32),
5881 .nr_jited_ksyms = 1,
5882},
5883
5884{
5885 .descr = "line_info (No subprog. nonzero tailing line_info)",
5886 .raw_types = {
5887 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5888 BTF_END_RAW,
5889 },
5890 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5891 .insns = {
5892 BPF_MOV64_IMM(BPF_REG_0, 1),
5893 BPF_MOV64_IMM(BPF_REG_1, 2),
5894 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5895 BPF_EXIT_INSN(),
5896 },
5897 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5898 .func_info_cnt = 0,
5899 .line_info = {
5900 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0,
5901 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0,
5902 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0,
5903 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 1,
5904 BTF_END_RAW,
5905 },
5906 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32),
5907 .nr_jited_ksyms = 1,
5908 .err_str = "nonzero tailing record in line_info",
5909 .expected_prog_load_failure = true,
5910},
5911
5912{
5913 .descr = "line_info (subprog)",
5914 .raw_types = {
5915 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5916 BTF_END_RAW,
5917 },
5918 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
5919 .insns = {
5920 BPF_MOV64_IMM(BPF_REG_2, 1),
5921 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
5922 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
5923 BPF_CALL_REL(1),
5924 BPF_EXIT_INSN(),
5925 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
5926 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
5927 BPF_EXIT_INSN(),
5928 },
5929 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5930 .func_info_cnt = 0,
5931 .line_info = {
5932 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5933 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
5934 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
5935 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
5936 BTF_END_RAW,
5937 },
5938 .line_info_rec_size = sizeof(struct bpf_line_info),
5939 .nr_jited_ksyms = 2,
5940},
5941
5942{
5943 .descr = "line_info (subprog + func_info)",
5944 .raw_types = {
5945 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5946 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
5947 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5948 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
5949 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
5950 BTF_END_RAW,
5951 },
5952 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
5953 .insns = {
5954 BPF_MOV64_IMM(BPF_REG_2, 1),
5955 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
5956 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
5957 BPF_CALL_REL(1),
5958 BPF_EXIT_INSN(),
5959 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
5960 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
5961 BPF_EXIT_INSN(),
5962 },
5963 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5964 .func_info_cnt = 2,
5965 .func_info_rec_size = 8,
5966 .func_info = { {0, 4}, {5, 3} },
5967 .line_info = {
5968 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5969 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
5970 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
5971 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
5972 BTF_END_RAW,
5973 },
5974 .line_info_rec_size = sizeof(struct bpf_line_info),
5975 .nr_jited_ksyms = 2,
5976},
5977
5978{
5979 .descr = "line_info (subprog. missing 1st func line info)",
5980 .raw_types = {
5981 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5982 BTF_END_RAW,
5983 },
5984 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
5985 .insns = {
5986 BPF_MOV64_IMM(BPF_REG_2, 1),
5987 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
5988 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
5989 BPF_CALL_REL(1),
5990 BPF_EXIT_INSN(),
5991 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
5992 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
5993 BPF_EXIT_INSN(),
5994 },
5995 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5996 .func_info_cnt = 0,
5997 .line_info = {
5998 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 1, 10),
5999 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
6000 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
6001 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
6002 BTF_END_RAW,
6003 },
6004 .line_info_rec_size = sizeof(struct bpf_line_info),
6005 .nr_jited_ksyms = 2,
6006 .err_str = "missing bpf_line_info for func#0",
6007 .expected_prog_load_failure = true,
6008},
6009
6010{
6011 .descr = "line_info (subprog. missing 2nd func line info)",
6012 .raw_types = {
6013 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6014 BTF_END_RAW,
6015 },
6016 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
6017 .insns = {
6018 BPF_MOV64_IMM(BPF_REG_2, 1),
6019 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
6020 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
6021 BPF_CALL_REL(1),
6022 BPF_EXIT_INSN(),
6023 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
6024 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6025 BPF_EXIT_INSN(),
6026 },
6027 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6028 .func_info_cnt = 0,
6029 .line_info = {
6030 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6031 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
6032 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 3, 8),
6033 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
6034 BTF_END_RAW,
6035 },
6036 .line_info_rec_size = sizeof(struct bpf_line_info),
6037 .nr_jited_ksyms = 2,
6038 .err_str = "missing bpf_line_info for func#1",
6039 .expected_prog_load_failure = true,
6040},
6041
6042{
6043 .descr = "line_info (subprog. unordered insn offset)",
6044 .raw_types = {
6045 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6046 BTF_END_RAW,
6047 },
6048 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
6049 .insns = {
6050 BPF_MOV64_IMM(BPF_REG_2, 1),
6051 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
6052 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
6053 BPF_CALL_REL(1),
6054 BPF_EXIT_INSN(),
6055 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
6056 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6057 BPF_EXIT_INSN(),
6058 },
6059 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6060 .func_info_cnt = 0,
6061 .line_info = {
6062 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6063 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 2, 9),
6064 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
6065 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
6066 BTF_END_RAW,
6067 },
6068 .line_info_rec_size = sizeof(struct bpf_line_info),
6069 .nr_jited_ksyms = 2,
6070 .err_str = "Invalid line_info[2].insn_off",
6071 .expected_prog_load_failure = true,
6072},
6073
6074{
6075 .descr = "line_info (dead start)",
6076 .raw_types = {
6077 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6078 BTF_END_RAW,
6079 },
6080 BTF_STR_SEC("\0int\0/* dead jmp */\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
6081 .insns = {
6082 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6083 BPF_MOV64_IMM(BPF_REG_0, 1),
6084 BPF_MOV64_IMM(BPF_REG_1, 2),
6085 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
6086 BPF_EXIT_INSN(),
6087 },
6088 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6089 .func_info_cnt = 0,
6090 .line_info = {
6091 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6092 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
6093 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
6094 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
6095 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 6),
6096 BTF_END_RAW,
6097 },
6098 .line_info_rec_size = sizeof(struct bpf_line_info),
6099 .nr_jited_ksyms = 1,
6100 .dead_code_cnt = 1,
6101 .dead_code_mask = 0x01,
6102},
6103
6104{
6105 .descr = "line_info (dead end)",
6106 .raw_types = {
6107 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6108 BTF_END_RAW,
6109 },
6110 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0/* dead jmp */\0return a + b;\0/* dead exit */"),
6111 .insns = {
6112 BPF_MOV64_IMM(BPF_REG_0, 1),
6113 BPF_MOV64_IMM(BPF_REG_1, 2),
6114 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
6115 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
6116 BPF_EXIT_INSN(),
6117 BPF_EXIT_INSN(),
6118 },
6119 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6120 .func_info_cnt = 0,
6121 .line_info = {
6122 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 12),
6123 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 11),
6124 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 10),
6125 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 9),
6126 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 8),
6127 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 6, 7),
6128 BTF_END_RAW,
6129 },
6130 .line_info_rec_size = sizeof(struct bpf_line_info),
6131 .nr_jited_ksyms = 1,
6132 .dead_code_cnt = 2,
6133 .dead_code_mask = 0x28,
6134},
6135
6136{
6137 .descr = "line_info (dead code + subprog + func_info)",
6138 .raw_types = {
6139 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6140 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6141 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6142 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6143 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6144 BTF_END_RAW,
6145 },
6146 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0/* dead jmp */"
6147 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
6148 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
6149 "\0return func(a);\0b+=1;\0return b;"),
6150 .insns = {
6151 BPF_MOV64_IMM(BPF_REG_2, 1),
6152 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
6153 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
6154 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 8),
6155 BPF_MOV64_IMM(BPF_REG_2, 1),
6156 BPF_MOV64_IMM(BPF_REG_2, 1),
6157 BPF_MOV64_IMM(BPF_REG_2, 1),
6158 BPF_MOV64_IMM(BPF_REG_2, 1),
6159 BPF_MOV64_IMM(BPF_REG_2, 1),
6160 BPF_MOV64_IMM(BPF_REG_2, 1),
6161 BPF_MOV64_IMM(BPF_REG_2, 1),
6162 BPF_MOV64_IMM(BPF_REG_2, 1),
6163 BPF_CALL_REL(1),
6164 BPF_EXIT_INSN(),
6165 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
6166 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6167 BPF_EXIT_INSN(),
6168 },
6169 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6170 .func_info_cnt = 2,
6171 .func_info_rec_size = 8,
6172 .func_info = { {0, 4}, {14, 3} },
6173 .line_info = {
6174 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6175 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6176 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6177 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6178 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6179 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6180 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6181 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6182 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
6183 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
6184 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
6185 BPF_LINE_INFO_ENC(14, 0, NAME_TBD, 3, 8),
6186 BPF_LINE_INFO_ENC(16, 0, NAME_TBD, 4, 7),
6187 BTF_END_RAW,
6188 },
6189 .line_info_rec_size = sizeof(struct bpf_line_info),
6190 .nr_jited_ksyms = 2,
6191 .dead_code_cnt = 9,
6192 .dead_code_mask = 0x3fe,
6193},
6194
6195{
6196 .descr = "line_info (dead subprog)",
6197 .raw_types = {
6198 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6199 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6200 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6201 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6202 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6203 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6204 BTF_END_RAW,
6205 },
6206 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
6207 "\0return 0;\0return 0;\0/* dead */\0/* dead */"
6208 "\0/* dead */\0return bla + 1;\0return bla + 1;"
6209 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
6210 .insns = {
6211 BPF_MOV64_IMM(BPF_REG_2, 1),
6212 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6213 BPF_CALL_REL(3),
6214 BPF_CALL_REL(5),
6215 BPF_MOV64_IMM(BPF_REG_0, 0),
6216 BPF_EXIT_INSN(),
6217 BPF_MOV64_IMM(BPF_REG_0, 0),
6218 BPF_CALL_REL(1),
6219 BPF_EXIT_INSN(),
6220 BPF_MOV64_REG(BPF_REG_0, 2),
6221 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6222 BPF_EXIT_INSN(),
6223 },
6224 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6225 .func_info_cnt = 3,
6226 .func_info_rec_size = 8,
6227 .func_info = { {0, 4}, {6, 3}, {9, 5} },
6228 .line_info = {
6229 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6230 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6231 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6232 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6233 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6234 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6235 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6236 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6237 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
6238 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
6239 BTF_END_RAW,
6240 },
6241 .line_info_rec_size = sizeof(struct bpf_line_info),
6242 .nr_jited_ksyms = 2,
6243 .dead_code_cnt = 3,
6244 .dead_code_mask = 0x70,
6245 .dead_func_cnt = 1,
6246 .dead_func_mask = 0x2,
6247},
6248
6249{
6250 .descr = "line_info (dead last subprog)",
6251 .raw_types = {
6252 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6253 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6254 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6255 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6256 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6257 BTF_END_RAW,
6258 },
6259 BTF_STR_SEC("\0int\0x\0dead\0main\0int a=1+1;\0/* live call */"
6260 "\0return 0;\0/* dead */\0/* dead */"),
6261 .insns = {
6262 BPF_MOV64_IMM(BPF_REG_2, 1),
6263 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6264 BPF_CALL_REL(2),
6265 BPF_MOV64_IMM(BPF_REG_0, 0),
6266 BPF_EXIT_INSN(),
6267 BPF_MOV64_IMM(BPF_REG_0, 0),
6268 BPF_EXIT_INSN(),
6269 },
6270 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6271 .func_info_cnt = 2,
6272 .func_info_rec_size = 8,
6273 .func_info = { {0, 4}, {5, 3} },
6274 .line_info = {
6275 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6276 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6277 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6278 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6279 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6280 BTF_END_RAW,
6281 },
6282 .line_info_rec_size = sizeof(struct bpf_line_info),
6283 .nr_jited_ksyms = 1,
6284 .dead_code_cnt = 2,
6285 .dead_code_mask = 0x18,
6286 .dead_func_cnt = 1,
6287 .dead_func_mask = 0x2,
6288},
6289
6290{
6291 .descr = "line_info (dead subprog + dead start)",
6292 .raw_types = {
6293 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6294 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6295 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6296 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6297 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6298 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6299 BTF_END_RAW,
6300 },
6301 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* dead */"
6302 "\0return 0;\0return 0;\0return 0;"
6303 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
6304 "\0return b + 1;\0return b + 1;\0return b + 1;"),
6305 .insns = {
6306 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6307 BPF_MOV64_IMM(BPF_REG_2, 1),
6308 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6309 BPF_CALL_REL(3),
6310 BPF_CALL_REL(5),
6311 BPF_MOV64_IMM(BPF_REG_0, 0),
6312 BPF_EXIT_INSN(),
6313 BPF_MOV64_IMM(BPF_REG_0, 0),
6314 BPF_CALL_REL(1),
6315 BPF_EXIT_INSN(),
6316 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6317 BPF_MOV64_REG(BPF_REG_0, 2),
6318 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6319 BPF_EXIT_INSN(),
6320 },
6321 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6322 .func_info_cnt = 3,
6323 .func_info_rec_size = 8,
6324 .func_info = { {0, 4}, {7, 3}, {10, 5} },
6325 .line_info = {
6326 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6327 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6328 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6329 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6330 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6331 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6332 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6333 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6334 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
6335 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
6336 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
6337 BPF_LINE_INFO_ENC(13, 0, NAME_TBD, 2, 9),
6338 BTF_END_RAW,
6339 },
6340 .line_info_rec_size = sizeof(struct bpf_line_info),
6341 .nr_jited_ksyms = 2,
6342 .dead_code_cnt = 5,
6343 .dead_code_mask = 0x1e2,
6344 .dead_func_cnt = 1,
6345 .dead_func_mask = 0x2,
6346},
6347
6348{
6349 .descr = "line_info (dead subprog + dead start w/ move)",
6350 .raw_types = {
6351 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6352 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6353 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6354 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6355 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6356 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6357 BTF_END_RAW,
6358 },
6359 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
6360 "\0return 0;\0return 0;\0/* dead */\0/* dead */"
6361 "\0/* dead */\0return bla + 1;\0return bla + 1;"
6362 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
6363 .insns = {
6364 BPF_MOV64_IMM(BPF_REG_2, 1),
6365 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6366 BPF_CALL_REL(3),
6367 BPF_CALL_REL(5),
6368 BPF_MOV64_IMM(BPF_REG_0, 0),
6369 BPF_EXIT_INSN(),
6370 BPF_MOV64_IMM(BPF_REG_0, 0),
6371 BPF_CALL_REL(1),
6372 BPF_EXIT_INSN(),
6373 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6374 BPF_MOV64_REG(BPF_REG_0, 2),
6375 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6376 BPF_EXIT_INSN(),
6377 },
6378 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6379 .func_info_cnt = 3,
6380 .func_info_rec_size = 8,
6381 .func_info = { {0, 4}, {6, 3}, {9, 5} },
6382 .line_info = {
6383 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6384 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6385 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6386 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6387 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6388 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6389 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6390 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6391 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 1, 10),
6392 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
6393 BTF_END_RAW,
6394 },
6395 .line_info_rec_size = sizeof(struct bpf_line_info),
6396 .nr_jited_ksyms = 2,
6397 .dead_code_cnt = 3,
6398 .dead_code_mask = 0x70,
6399 .dead_func_cnt = 1,
6400 .dead_func_mask = 0x2,
6401},
6402
6403{
6404 .descr = "line_info (dead end + subprog start w/ no linfo)",
6405 .raw_types = {
6406 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6407 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6408 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6409 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6410 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6411 BTF_END_RAW,
6412 },
6413 BTF_STR_SEC("\0int\0x\0main\0func\0/* main linfo */\0/* func linfo */"),
6414 .insns = {
6415 BPF_MOV64_IMM(BPF_REG_0, 0),
6416 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 1, 3),
6417 BPF_CALL_REL(3),
6418 BPF_MOV64_IMM(BPF_REG_0, 0),
6419 BPF_EXIT_INSN(),
6420 BPF_EXIT_INSN(),
6421 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6422 BPF_EXIT_INSN(),
6423 },
6424 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6425 .func_info_cnt = 2,
6426 .func_info_rec_size = 8,
6427 .func_info = { {0, 3}, {6, 4}, },
6428 .line_info = {
6429 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6430 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6431 BTF_END_RAW,
6432 },
6433 .line_info_rec_size = sizeof(struct bpf_line_info),
6434 .nr_jited_ksyms = 2,
6435},
6436
6437};
6438
6439static size_t probe_prog_length(const struct bpf_insn *fp)
6440{
6441 size_t len;
6442
6443 for (len = MAX_INSNS - 1; len > 0; --len)
6444 if (fp[len].code != 0 || fp[len].imm != 0)
6445 break;
6446 return len + 1;
6447}
6448
6449static __u32 *patch_name_tbd(const __u32 *raw_u32,
6450 const char *str, __u32 str_off,
6451 unsigned int str_sec_size,
6452 unsigned int *ret_size)
6453{
6454 int i, raw_u32_size = get_raw_sec_size(raw_types: raw_u32);
6455 const char *end_str = str + str_sec_size;
6456 const char *next_str = str + str_off;
6457 __u32 *new_u32 = NULL;
6458
6459 if (raw_u32_size == -1)
6460 return ERR_PTR(error: -EINVAL);
6461
6462 if (!raw_u32_size) {
6463 *ret_size = 0;
6464 return NULL;
6465 }
6466
6467 new_u32 = malloc(raw_u32_size);
6468 if (!new_u32)
6469 return ERR_PTR(error: -ENOMEM);
6470
6471 for (i = 0; i < raw_u32_size / sizeof(raw_u32[0]); i++) {
6472 if (raw_u32[i] == NAME_TBD) {
6473 next_str = get_next_str(start: next_str, end: end_str);
6474 if (CHECK(!next_str, "Error in getting next_str\n")) {
6475 free(new_u32);
6476 return ERR_PTR(error: -EINVAL);
6477 }
6478 new_u32[i] = next_str - str;
6479 next_str += strlen(next_str);
6480 } else {
6481 new_u32[i] = raw_u32[i];
6482 }
6483 }
6484
6485 *ret_size = raw_u32_size;
6486 return new_u32;
6487}
6488
6489static int test_get_finfo(const struct prog_info_raw_test *test,
6490 int prog_fd)
6491{
6492 struct bpf_prog_info info = {};
6493 struct bpf_func_info *finfo;
6494 __u32 info_len, rec_size, i;
6495 void *func_info = NULL;
6496 __u32 nr_func_info;
6497 int err;
6498
6499 /* get necessary lens */
6500 info_len = sizeof(struct bpf_prog_info);
6501 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6502 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) {
6503 fprintf(stderr, "%s\n", btf_log_buf);
6504 return -1;
6505 }
6506 nr_func_info = test->func_info_cnt - test->dead_func_cnt;
6507 if (CHECK(info.nr_func_info != nr_func_info,
6508 "incorrect info.nr_func_info (1st) %d",
6509 info.nr_func_info)) {
6510 return -1;
6511 }
6512
6513 rec_size = info.func_info_rec_size;
6514 if (CHECK(rec_size != sizeof(struct bpf_func_info),
6515 "incorrect info.func_info_rec_size (1st) %d", rec_size)) {
6516 return -1;
6517 }
6518
6519 if (!info.nr_func_info)
6520 return 0;
6521
6522 func_info = malloc(info.nr_func_info * rec_size);
6523 if (CHECK(!func_info, "out of memory"))
6524 return -1;
6525
6526 /* reset info to only retrieve func_info related data */
6527 memset(&info, 0, sizeof(info));
6528 info.nr_func_info = nr_func_info;
6529 info.func_info_rec_size = rec_size;
6530 info.func_info = ptr_to_u64(func_info);
6531 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6532 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) {
6533 fprintf(stderr, "%s\n", btf_log_buf);
6534 err = -1;
6535 goto done;
6536 }
6537 if (CHECK(info.nr_func_info != nr_func_info,
6538 "incorrect info.nr_func_info (2nd) %d",
6539 info.nr_func_info)) {
6540 err = -1;
6541 goto done;
6542 }
6543 if (CHECK(info.func_info_rec_size != rec_size,
6544 "incorrect info.func_info_rec_size (2nd) %d",
6545 info.func_info_rec_size)) {
6546 err = -1;
6547 goto done;
6548 }
6549
6550 finfo = func_info;
6551 for (i = 0; i < nr_func_info; i++) {
6552 if (test->dead_func_mask & (1 << i))
6553 continue;
6554 if (CHECK(finfo->type_id != test->func_info[i][1],
6555 "incorrect func_type %u expected %u",
6556 finfo->type_id, test->func_info[i][1])) {
6557 err = -1;
6558 goto done;
6559 }
6560 finfo = (void *)finfo + rec_size;
6561 }
6562
6563 err = 0;
6564
6565done:
6566 free(func_info);
6567 return err;
6568}
6569
6570static int test_get_linfo(const struct prog_info_raw_test *test,
6571 const void *patched_linfo,
6572 __u32 cnt, int prog_fd)
6573{
6574 __u32 i, info_len, nr_jited_ksyms, nr_jited_func_lens;
6575 __u64 *jited_linfo = NULL, *jited_ksyms = NULL;
6576 __u32 rec_size, jited_rec_size, jited_cnt;
6577 struct bpf_line_info *linfo = NULL;
6578 __u32 cur_func_len, ksyms_found;
6579 struct bpf_prog_info info = {};
6580 __u32 *jited_func_lens = NULL;
6581 __u64 cur_func_ksyms;
6582 __u32 dead_insns;
6583 int err;
6584
6585 jited_cnt = cnt;
6586 rec_size = sizeof(*linfo);
6587 jited_rec_size = sizeof(*jited_linfo);
6588 if (test->nr_jited_ksyms)
6589 nr_jited_ksyms = test->nr_jited_ksyms;
6590 else
6591 nr_jited_ksyms = test->func_info_cnt - test->dead_func_cnt;
6592 nr_jited_func_lens = nr_jited_ksyms;
6593
6594 info_len = sizeof(struct bpf_prog_info);
6595 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6596 if (CHECK(err < 0, "err:%d errno:%d", err, errno)) {
6597 err = -1;
6598 goto done;
6599 }
6600
6601 if (!info.jited_prog_len) {
6602 /* prog is not jited */
6603 jited_cnt = 0;
6604 nr_jited_ksyms = 1;
6605 nr_jited_func_lens = 1;
6606 }
6607
6608 if (CHECK(info.nr_line_info != cnt ||
6609 info.nr_jited_line_info != jited_cnt ||
6610 info.nr_jited_ksyms != nr_jited_ksyms ||
6611 info.nr_jited_func_lens != nr_jited_func_lens ||
6612 (!info.nr_line_info && info.nr_jited_line_info),
6613 "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)",
6614 info.nr_line_info, cnt,
6615 info.nr_jited_line_info, jited_cnt,
6616 info.nr_jited_ksyms, nr_jited_ksyms,
6617 info.nr_jited_func_lens, nr_jited_func_lens)) {
6618 err = -1;
6619 goto done;
6620 }
6621
6622 if (CHECK(info.line_info_rec_size != sizeof(struct bpf_line_info) ||
6623 info.jited_line_info_rec_size != sizeof(__u64),
6624 "info: line_info_rec_size:%u(userspace expected:%u) jited_line_info_rec_size:%u(userspace expected:%u)",
6625 info.line_info_rec_size, rec_size,
6626 info.jited_line_info_rec_size, jited_rec_size)) {
6627 err = -1;
6628 goto done;
6629 }
6630
6631 if (!cnt)
6632 return 0;
6633
6634 rec_size = info.line_info_rec_size;
6635 jited_rec_size = info.jited_line_info_rec_size;
6636
6637 memset(&info, 0, sizeof(info));
6638
6639 linfo = calloc(cnt, rec_size);
6640 if (CHECK(!linfo, "!linfo")) {
6641 err = -1;
6642 goto done;
6643 }
6644 info.nr_line_info = cnt;
6645 info.line_info_rec_size = rec_size;
6646 info.line_info = ptr_to_u64(linfo);
6647
6648 if (jited_cnt) {
6649 jited_linfo = calloc(jited_cnt, jited_rec_size);
6650 jited_ksyms = calloc(nr_jited_ksyms, sizeof(*jited_ksyms));
6651 jited_func_lens = calloc(nr_jited_func_lens,
6652 sizeof(*jited_func_lens));
6653 if (CHECK(!jited_linfo || !jited_ksyms || !jited_func_lens,
6654 "jited_linfo:%p jited_ksyms:%p jited_func_lens:%p",
6655 jited_linfo, jited_ksyms, jited_func_lens)) {
6656 err = -1;
6657 goto done;
6658 }
6659
6660 info.nr_jited_line_info = jited_cnt;
6661 info.jited_line_info_rec_size = jited_rec_size;
6662 info.jited_line_info = ptr_to_u64(jited_linfo);
6663 info.nr_jited_ksyms = nr_jited_ksyms;
6664 info.jited_ksyms = ptr_to_u64(jited_ksyms);
6665 info.nr_jited_func_lens = nr_jited_func_lens;
6666 info.jited_func_lens = ptr_to_u64(jited_func_lens);
6667 }
6668
6669 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6670
6671 /*
6672 * Only recheck the info.*line_info* fields.
6673 * Other fields are not the concern of this test.
6674 */
6675 if (CHECK(err < 0 ||
6676 info.nr_line_info != cnt ||
6677 (jited_cnt && !info.jited_line_info) ||
6678 info.nr_jited_line_info != jited_cnt ||
6679 info.line_info_rec_size != rec_size ||
6680 info.jited_line_info_rec_size != jited_rec_size,
6681 "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",
6682 err, errno,
6683 info.nr_line_info, cnt,
6684 info.nr_jited_line_info, jited_cnt,
6685 info.line_info_rec_size, rec_size,
6686 info.jited_line_info_rec_size, jited_rec_size,
6687 (void *)(long)info.line_info,
6688 (void *)(long)info.jited_line_info)) {
6689 err = -1;
6690 goto done;
6691 }
6692
6693 dead_insns = 0;
6694 while (test->dead_code_mask & (1 << dead_insns))
6695 dead_insns++;
6696
6697 CHECK(linfo[0].insn_off, "linfo[0].insn_off:%u",
6698 linfo[0].insn_off);
6699 for (i = 1; i < cnt; i++) {
6700 const struct bpf_line_info *expected_linfo;
6701
6702 while (test->dead_code_mask & (1 << (i + dead_insns)))
6703 dead_insns++;
6704
6705 expected_linfo = patched_linfo +
6706 ((i + dead_insns) * test->line_info_rec_size);
6707 if (CHECK(linfo[i].insn_off <= linfo[i - 1].insn_off,
6708 "linfo[%u].insn_off:%u <= linfo[%u].insn_off:%u",
6709 i, linfo[i].insn_off,
6710 i - 1, linfo[i - 1].insn_off)) {
6711 err = -1;
6712 goto done;
6713 }
6714 if (CHECK(linfo[i].file_name_off != expected_linfo->file_name_off ||
6715 linfo[i].line_off != expected_linfo->line_off ||
6716 linfo[i].line_col != expected_linfo->line_col,
6717 "linfo[%u] (%u, %u, %u) != (%u, %u, %u)", i,
6718 linfo[i].file_name_off,
6719 linfo[i].line_off,
6720 linfo[i].line_col,
6721 expected_linfo->file_name_off,
6722 expected_linfo->line_off,
6723 expected_linfo->line_col)) {
6724 err = -1;
6725 goto done;
6726 }
6727 }
6728
6729 if (!jited_cnt) {
6730 fprintf(stderr, "not jited. skipping jited_line_info check. ");
6731 err = 0;
6732 goto done;
6733 }
6734
6735 if (CHECK(jited_linfo[0] != jited_ksyms[0],
6736 "jited_linfo[0]:%lx != jited_ksyms[0]:%lx",
6737 (long)(jited_linfo[0]), (long)(jited_ksyms[0]))) {
6738 err = -1;
6739 goto done;
6740 }
6741
6742 ksyms_found = 1;
6743 cur_func_len = jited_func_lens[0];
6744 cur_func_ksyms = jited_ksyms[0];
6745 for (i = 1; i < jited_cnt; i++) {
6746 if (ksyms_found < nr_jited_ksyms &&
6747 jited_linfo[i] == jited_ksyms[ksyms_found]) {
6748 cur_func_ksyms = jited_ksyms[ksyms_found];
6749 cur_func_len = jited_ksyms[ksyms_found];
6750 ksyms_found++;
6751 continue;
6752 }
6753
6754 if (CHECK(jited_linfo[i] <= jited_linfo[i - 1],
6755 "jited_linfo[%u]:%lx <= jited_linfo[%u]:%lx",
6756 i, (long)jited_linfo[i],
6757 i - 1, (long)(jited_linfo[i - 1]))) {
6758 err = -1;
6759 goto done;
6760 }
6761
6762 if (CHECK(jited_linfo[i] - cur_func_ksyms > cur_func_len,
6763 "jited_linfo[%u]:%lx - %lx > %u",
6764 i, (long)jited_linfo[i], (long)cur_func_ksyms,
6765 cur_func_len)) {
6766 err = -1;
6767 goto done;
6768 }
6769 }
6770
6771 if (CHECK(ksyms_found != nr_jited_ksyms,
6772 "ksyms_found:%u != nr_jited_ksyms:%u",
6773 ksyms_found, nr_jited_ksyms)) {
6774 err = -1;
6775 goto done;
6776 }
6777
6778 err = 0;
6779
6780done:
6781 free(linfo);
6782 free(jited_linfo);
6783 free(jited_ksyms);
6784 free(jited_func_lens);
6785 return err;
6786}
6787
6788static void do_test_info_raw(unsigned int test_num)
6789{
6790 const struct prog_info_raw_test *test = &info_raw_tests[test_num - 1];
6791 unsigned int raw_btf_size, linfo_str_off, linfo_size = 0;
6792 int btf_fd = -1, prog_fd = -1, err = 0;
6793 void *raw_btf, *patched_linfo = NULL;
6794 const char *ret_next_str;
6795 union bpf_attr attr = {};
6796
6797 if (!test__start_subtest(test->descr))
6798 return;
6799
6800 raw_btf = btf_raw_create(hdr: &hdr_tmpl, raw_types: test->raw_types,
6801 str: test->str_sec, str_sec_size: test->str_sec_size,
6802 btf_size: &raw_btf_size, ret_next_str: &ret_next_str);
6803 if (!raw_btf)
6804 return;
6805
6806 *btf_log_buf = '\0';
6807 btf_fd = load_raw_btf(raw_data: raw_btf, raw_size: raw_btf_size);
6808 free(raw_btf);
6809
6810 if (CHECK(btf_fd < 0, "invalid btf_fd errno:%d", errno)) {
6811 err = -1;
6812 goto done;
6813 }
6814
6815 if (*btf_log_buf && always_log)
6816 fprintf(stderr, "\n%s", btf_log_buf);
6817 *btf_log_buf = '\0';
6818
6819 linfo_str_off = ret_next_str - test->str_sec;
6820 patched_linfo = patch_name_tbd(raw_u32: test->line_info,
6821 str: test->str_sec, str_off: linfo_str_off,
6822 str_sec_size: test->str_sec_size, ret_size: &linfo_size);
6823 err = libbpf_get_error(patched_linfo);
6824 if (err) {
6825 fprintf(stderr, "error in creating raw bpf_line_info");
6826 err = -1;
6827 goto done;
6828 }
6829
6830 attr.prog_type = test->prog_type;
6831 attr.insns = ptr_to_u64(test->insns);
6832 attr.insn_cnt = probe_prog_length(fp: test->insns);
6833 attr.license = ptr_to_u64("GPL");
6834 attr.prog_btf_fd = btf_fd;
6835 attr.func_info_rec_size = test->func_info_rec_size;
6836 attr.func_info_cnt = test->func_info_cnt;
6837 attr.func_info = ptr_to_u64(test->func_info);
6838 attr.log_buf = ptr_to_u64(btf_log_buf);
6839 attr.log_size = BTF_LOG_BUF_SIZE;
6840 attr.log_level = 1;
6841 if (linfo_size) {
6842 attr.line_info_rec_size = test->line_info_rec_size;
6843 attr.line_info = ptr_to_u64(patched_linfo);
6844 attr.line_info_cnt = linfo_size / attr.line_info_rec_size;
6845 }
6846
6847 prog_fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
6848 err = ((prog_fd < 0) != test->expected_prog_load_failure);
6849 if (CHECK(err, "prog_fd:%d expected_prog_load_failure:%u errno:%d",
6850 prog_fd, test->expected_prog_load_failure, errno) ||
6851 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str),
6852 "expected err_str:%s", test->err_str)) {
6853 err = -1;
6854 goto done;
6855 }
6856
6857 if (prog_fd < 0)
6858 goto done;
6859
6860 err = test_get_finfo(test, prog_fd);
6861 if (err)
6862 goto done;
6863
6864 err = test_get_linfo(test, patched_linfo,
6865 cnt: attr.line_info_cnt - test->dead_code_cnt,
6866 prog_fd);
6867 if (err)
6868 goto done;
6869
6870done:
6871 if (*btf_log_buf && (err || always_log))
6872 fprintf(stderr, "\n%s", btf_log_buf);
6873
6874 if (btf_fd >= 0)
6875 close(btf_fd);
6876 if (prog_fd >= 0)
6877 close(prog_fd);
6878
6879 if (!libbpf_get_error(patched_linfo))
6880 free(patched_linfo);
6881}
6882
6883struct btf_raw_data {
6884 __u32 raw_types[MAX_NR_RAW_U32];
6885 const char *str_sec;
6886 __u32 str_sec_size;
6887};
6888
6889struct btf_dedup_test {
6890 const char *descr;
6891 struct btf_raw_data input;
6892 struct btf_raw_data expect;
6893 struct btf_dedup_opts opts;
6894};
6895
6896static struct btf_dedup_test dedup_tests[] = {
6897
6898{
6899 .descr = "dedup: unused strings filtering",
6900 .input = {
6901 .raw_types = {
6902 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 4),
6903 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 64, 8),
6904 BTF_END_RAW,
6905 },
6906 BTF_STR_SEC("\0unused\0int\0foo\0bar\0long"),
6907 },
6908 .expect = {
6909 .raw_types = {
6910 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
6911 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
6912 BTF_END_RAW,
6913 },
6914 BTF_STR_SEC("\0int\0long"),
6915 },
6916},
6917{
6918 .descr = "dedup: strings deduplication",
6919 .input = {
6920 .raw_types = {
6921 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
6922 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
6923 BTF_TYPE_INT_ENC(NAME_NTH(3), BTF_INT_SIGNED, 0, 32, 4),
6924 BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 64, 8),
6925 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4),
6926 BTF_END_RAW,
6927 },
6928 BTF_STR_SEC("\0int\0long int\0int\0long int\0int"),
6929 },
6930 .expect = {
6931 .raw_types = {
6932 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
6933 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
6934 BTF_END_RAW,
6935 },
6936 BTF_STR_SEC("\0int\0long int"),
6937 },
6938},
6939{
6940 .descr = "dedup: struct example #1",
6941 /*
6942 * struct s {
6943 * struct s *next;
6944 * const int *a;
6945 * int b[16];
6946 * int c;
6947 * }
6948 */
6949 .input = {
6950 .raw_types = {
6951 /* int */
6952 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6953 /* int[16] */
6954 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */
6955 /* struct s { */
6956 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [3] */
6957 BTF_MEMBER_ENC(NAME_NTH(3), 4, 0), /* struct s *next; */
6958 BTF_MEMBER_ENC(NAME_NTH(4), 5, 64), /* const int *a; */
6959 BTF_MEMBER_ENC(NAME_NTH(5), 2, 128), /* int b[16]; */
6960 BTF_MEMBER_ENC(NAME_NTH(6), 1, 640), /* int c; */
6961 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), /* float d; */
6962 /* ptr -> [3] struct s */
6963 BTF_PTR_ENC(3), /* [4] */
6964 /* ptr -> [6] const int */
6965 BTF_PTR_ENC(6), /* [5] */
6966 /* const -> [1] int */
6967 BTF_CONST_ENC(1), /* [6] */
6968 /* tag -> [3] struct s */
6969 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */
6970 /* tag -> [3] struct s, member 1 */
6971 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */
6972
6973 /* full copy of the above */
6974 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [9] */
6975 BTF_TYPE_ARRAY_ENC(9, 9, 16), /* [10] */
6976 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [11] */
6977 BTF_MEMBER_ENC(NAME_NTH(3), 12, 0),
6978 BTF_MEMBER_ENC(NAME_NTH(4), 13, 64),
6979 BTF_MEMBER_ENC(NAME_NTH(5), 10, 128),
6980 BTF_MEMBER_ENC(NAME_NTH(6), 9, 640),
6981 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672),
6982 BTF_PTR_ENC(11), /* [12] */
6983 BTF_PTR_ENC(14), /* [13] */
6984 BTF_CONST_ENC(9), /* [14] */
6985 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [15] */
6986 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, -1), /* [16] */
6987 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, 1), /* [17] */
6988 BTF_END_RAW,
6989 },
6990 BTF_STR_SEC("\0int\0s\0next\0a\0b\0c\0float\0d"),
6991 },
6992 .expect = {
6993 .raw_types = {
6994 /* int */
6995 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6996 /* int[16] */
6997 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */
6998 /* struct s { */
6999 BTF_STRUCT_ENC(NAME_NTH(8), 5, 88), /* [3] */
7000 BTF_MEMBER_ENC(NAME_NTH(7), 4, 0), /* struct s *next; */
7001 BTF_MEMBER_ENC(NAME_NTH(1), 5, 64), /* const int *a; */
7002 BTF_MEMBER_ENC(NAME_NTH(2), 2, 128), /* int b[16]; */
7003 BTF_MEMBER_ENC(NAME_NTH(3), 1, 640), /* int c; */
7004 BTF_MEMBER_ENC(NAME_NTH(4), 9, 672), /* float d; */
7005 /* ptr -> [3] struct s */
7006 BTF_PTR_ENC(3), /* [4] */
7007 /* ptr -> [6] const int */
7008 BTF_PTR_ENC(6), /* [5] */
7009 /* const -> [1] int */
7010 BTF_CONST_ENC(1), /* [6] */
7011 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */
7012 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */
7013 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [9] */
7014 BTF_END_RAW,
7015 },
7016 BTF_STR_SEC("\0a\0b\0c\0d\0int\0float\0next\0s"),
7017 },
7018},
7019{
7020 .descr = "dedup: struct <-> fwd resolution w/ hash collision",
7021 /*
7022 * // CU 1:
7023 * struct x;
7024 * struct s {
7025 * struct x *x;
7026 * };
7027 * // CU 2:
7028 * struct x {};
7029 * struct s {
7030 * struct x *x;
7031 * };
7032 */
7033 .input = {
7034 .raw_types = {
7035 /* CU 1 */
7036 BTF_FWD_ENC(NAME_TBD, 0 /* struct fwd */), /* [1] fwd x */
7037 BTF_PTR_ENC(1), /* [2] ptr -> [1] */
7038 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] struct s */
7039 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
7040 /* CU 2 */
7041 BTF_STRUCT_ENC(NAME_TBD, 0, 0), /* [4] struct x */
7042 BTF_PTR_ENC(4), /* [5] ptr -> [4] */
7043 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [6] struct s */
7044 BTF_MEMBER_ENC(NAME_TBD, 5, 0),
7045 BTF_END_RAW,
7046 },
7047 BTF_STR_SEC("\0x\0s\0x\0x\0s\0x\0"),
7048 },
7049 .expect = {
7050 .raw_types = {
7051 BTF_PTR_ENC(3), /* [1] ptr -> [3] */
7052 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [2] struct s */
7053 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7054 BTF_STRUCT_ENC(NAME_NTH(2), 0, 0), /* [3] struct x */
7055 BTF_END_RAW,
7056 },
7057 BTF_STR_SEC("\0s\0x"),
7058 },
7059 .opts = {
7060 .force_collisions = true, /* force hash collisions */
7061 },
7062},
7063{
7064 .descr = "dedup: void equiv check",
7065 /*
7066 * // CU 1:
7067 * struct s {
7068 * struct {} *x;
7069 * };
7070 * // CU 2:
7071 * struct s {
7072 * int *x;
7073 * };
7074 */
7075 .input = {
7076 .raw_types = {
7077 /* CU 1 */
7078 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */
7079 BTF_PTR_ENC(1), /* [2] ptr -> [1] */
7080 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */
7081 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7082 /* CU 2 */
7083 BTF_PTR_ENC(0), /* [4] ptr -> void */
7084 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */
7085 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0),
7086 BTF_END_RAW,
7087 },
7088 BTF_STR_SEC("\0s\0x"),
7089 },
7090 .expect = {
7091 .raw_types = {
7092 /* CU 1 */
7093 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */
7094 BTF_PTR_ENC(1), /* [2] ptr -> [1] */
7095 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */
7096 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7097 /* CU 2 */
7098 BTF_PTR_ENC(0), /* [4] ptr -> void */
7099 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */
7100 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0),
7101 BTF_END_RAW,
7102 },
7103 BTF_STR_SEC("\0s\0x"),
7104 },
7105 .opts = {
7106 .force_collisions = true, /* force hash collisions */
7107 },
7108},
7109{
7110 .descr = "dedup: all possible kinds (no duplicates)",
7111 .input = {
7112 .raw_types = {
7113 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */
7114 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */
7115 BTF_ENUM_ENC(NAME_TBD, 0),
7116 BTF_ENUM_ENC(NAME_TBD, 1),
7117 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */
7118 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */
7119 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */
7120 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7121 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */
7122 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7123 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */
7124 BTF_PTR_ENC(0), /* [8] ptr */
7125 BTF_CONST_ENC(8), /* [9] const */
7126 BTF_VOLATILE_ENC(8), /* [10] volatile */
7127 BTF_RESTRICT_ENC(8), /* [11] restrict */
7128 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
7129 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
7130 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18),
7131 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
7132 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */
7133 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */
7134 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */
7135 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */
7136 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */
7137 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */
7138 BTF_ENUM64_ENC(NAME_TBD, 0, 0),
7139 BTF_ENUM64_ENC(NAME_TBD, 1, 1),
7140 BTF_END_RAW,
7141 },
7142 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"),
7143 },
7144 .expect = {
7145 .raw_types = {
7146 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */
7147 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */
7148 BTF_ENUM_ENC(NAME_TBD, 0),
7149 BTF_ENUM_ENC(NAME_TBD, 1),
7150 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */
7151 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */
7152 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */
7153 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7154 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */
7155 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7156 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */
7157 BTF_PTR_ENC(0), /* [8] ptr */
7158 BTF_CONST_ENC(8), /* [9] const */
7159 BTF_VOLATILE_ENC(8), /* [10] volatile */
7160 BTF_RESTRICT_ENC(8), /* [11] restrict */
7161 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
7162 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
7163 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18),
7164 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
7165 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */
7166 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */
7167 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */
7168 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */
7169 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */
7170 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */
7171 BTF_ENUM64_ENC(NAME_TBD, 0, 0),
7172 BTF_ENUM64_ENC(NAME_TBD, 1, 1),
7173 BTF_END_RAW,
7174 },
7175 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"),
7176 },
7177},
7178{
7179 .descr = "dedup: no int/float duplicates",
7180 .input = {
7181 .raw_types = {
7182 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
7183 /* different name */
7184 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
7185 /* different encoding */
7186 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
7187 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
7188 /* different bit offset */
7189 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
7190 /* different bit size */
7191 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
7192 /* different byte size */
7193 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
7194 /* all allowed sizes */
7195 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2),
7196 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4),
7197 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8),
7198 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12),
7199 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16),
7200 BTF_END_RAW,
7201 },
7202 BTF_STR_SEC("\0int\0some other int\0float"),
7203 },
7204 .expect = {
7205 .raw_types = {
7206 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
7207 /* different name */
7208 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
7209 /* different encoding */
7210 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
7211 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
7212 /* different bit offset */
7213 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
7214 /* different bit size */
7215 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
7216 /* different byte size */
7217 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
7218 /* all allowed sizes */
7219 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2),
7220 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4),
7221 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8),
7222 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12),
7223 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16),
7224 BTF_END_RAW,
7225 },
7226 BTF_STR_SEC("\0int\0some other int\0float"),
7227 },
7228},
7229{
7230 .descr = "dedup: enum fwd resolution",
7231 .input = {
7232 .raw_types = {
7233 /* [1] fwd enum 'e1' before full enum */
7234 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
7235 /* [2] full enum 'e1' after fwd */
7236 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7237 BTF_ENUM_ENC(NAME_NTH(2), 123),
7238 /* [3] full enum 'e2' before fwd */
7239 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7240 BTF_ENUM_ENC(NAME_NTH(4), 456),
7241 /* [4] fwd enum 'e2' after full enum */
7242 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
7243 /* [5] fwd enum with different size, size does not matter for fwd */
7244 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1),
7245 /* [6] incompatible full enum with different value */
7246 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7247 BTF_ENUM_ENC(NAME_NTH(2), 321),
7248 BTF_END_RAW,
7249 },
7250 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7251 },
7252 .expect = {
7253 .raw_types = {
7254 /* [1] full enum 'e1' */
7255 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7256 BTF_ENUM_ENC(NAME_NTH(2), 123),
7257 /* [2] full enum 'e2' */
7258 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7259 BTF_ENUM_ENC(NAME_NTH(4), 456),
7260 /* [3] incompatible full enum with different value */
7261 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7262 BTF_ENUM_ENC(NAME_NTH(2), 321),
7263 BTF_END_RAW,
7264 },
7265 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7266 },
7267},
7268{
7269 .descr = "dedup: datasec and vars pass-through",
7270 .input = {
7271 .raw_types = {
7272 /* int */
7273 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7274 /* static int t */
7275 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */
7276 /* .bss section */ /* [3] */
7277 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7278 BTF_VAR_SECINFO_ENC(2, 0, 4),
7279 /* int, referenced from [5] */
7280 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */
7281 /* another static int t */
7282 BTF_VAR_ENC(NAME_NTH(2), 4, 0), /* [5] */
7283 /* another .bss section */ /* [6] */
7284 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7285 BTF_VAR_SECINFO_ENC(5, 0, 4),
7286 BTF_END_RAW,
7287 },
7288 BTF_STR_SEC("\0.bss\0t"),
7289 },
7290 .expect = {
7291 .raw_types = {
7292 /* int */
7293 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7294 /* static int t */
7295 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */
7296 /* .bss section */ /* [3] */
7297 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7298 BTF_VAR_SECINFO_ENC(2, 0, 4),
7299 /* another static int t */
7300 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [4] */
7301 /* another .bss section */ /* [5] */
7302 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7303 BTF_VAR_SECINFO_ENC(4, 0, 4),
7304 BTF_END_RAW,
7305 },
7306 BTF_STR_SEC("\0.bss\0t"),
7307 },
7308 .opts = {
7309 .force_collisions = true
7310 },
7311},
7312{
7313 .descr = "dedup: func/func_arg/var tags",
7314 .input = {
7315 .raw_types = {
7316 /* int */
7317 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7318 /* static int t */
7319 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */
7320 /* void f(int a1, int a2) */
7321 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
7322 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7323 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1),
7324 BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */
7325 /* tag -> t */
7326 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */
7327 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [6] */
7328 /* tag -> func */
7329 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [7] */
7330 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [8] */
7331 /* tag -> func arg a1 */
7332 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [9] */
7333 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [10] */
7334 BTF_END_RAW,
7335 },
7336 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"),
7337 },
7338 .expect = {
7339 .raw_types = {
7340 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7341 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */
7342 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
7343 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7344 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1),
7345 BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */
7346 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */
7347 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [6] */
7348 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [7] */
7349 BTF_END_RAW,
7350 },
7351 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"),
7352 },
7353},
7354{
7355 .descr = "dedup: func/func_param tags",
7356 .input = {
7357 .raw_types = {
7358 /* int */
7359 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7360 /* void f(int a1, int a2) */
7361 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
7362 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
7363 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7364 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */
7365 /* void f(int a1, int a2) */
7366 BTF_FUNC_PROTO_ENC(0, 2), /* [4] */
7367 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
7368 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7369 BTF_FUNC_ENC(NAME_NTH(3), 4), /* [5] */
7370 /* tag -> f: tag1, tag2 */
7371 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [6] */
7372 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [7] */
7373 /* tag -> f/a2: tag1, tag2 */
7374 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [8] */
7375 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [9] */
7376 /* tag -> f: tag1, tag3 */
7377 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, -1), /* [10] */
7378 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, -1), /* [11] */
7379 /* tag -> f/a2: tag1, tag3 */
7380 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, 1), /* [12] */
7381 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, 1), /* [13] */
7382 BTF_END_RAW,
7383 },
7384 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"),
7385 },
7386 .expect = {
7387 .raw_types = {
7388 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7389 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
7390 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
7391 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7392 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */
7393 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [4] */
7394 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [5] */
7395 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [6] */
7396 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [7] */
7397 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [8] */
7398 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [9] */
7399 BTF_END_RAW,
7400 },
7401 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"),
7402 },
7403},
7404{
7405 .descr = "dedup: struct/struct_member tags",
7406 .input = {
7407 .raw_types = {
7408 /* int */
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_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [3] */
7414 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0),
7415 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32),
7416 /* tag -> t: tag1, tag2 */
7417 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [4] */
7418 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */
7419 /* tag -> t/m2: tag1, tag2 */
7420 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */
7421 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */
7422 /* tag -> t: tag1, tag3 */
7423 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [8] */
7424 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [9] */
7425 /* tag -> t/m2: tag1, tag3 */
7426 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [10] */
7427 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [11] */
7428 BTF_END_RAW,
7429 },
7430 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
7431 },
7432 .expect = {
7433 .raw_types = {
7434 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7435 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */
7436 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0),
7437 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32),
7438 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [3] */
7439 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [4] */
7440 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, -1), /* [5] */
7441 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */
7442 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */
7443 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, 1), /* [8] */
7444 BTF_END_RAW,
7445 },
7446 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
7447 },
7448},
7449{
7450 .descr = "dedup: typedef tags",
7451 .input = {
7452 .raw_types = {
7453 /* int */
7454 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7455 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */
7456 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [3] */
7457 /* tag -> t: tag1, tag2 */
7458 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [4] */
7459 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [5] */
7460 /* tag -> t: tag1, tag3 */
7461 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [6] */
7462 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [7] */
7463 BTF_END_RAW,
7464 },
7465 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"),
7466 },
7467 .expect = {
7468 .raw_types = {
7469 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7470 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */
7471 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [3] */
7472 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [4] */
7473 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [5] */
7474 BTF_END_RAW,
7475 },
7476 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"),
7477 },
7478},
7479{
7480 .descr = "dedup: btf_type_tag #1",
7481 .input = {
7482 .raw_types = {
7483 /* ptr -> tag2 -> tag1 -> int */
7484 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7485 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7486 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7487 BTF_PTR_ENC(3), /* [4] */
7488 /* ptr -> tag2 -> tag1 -> int */
7489 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [5] */
7490 BTF_TYPE_TAG_ENC(NAME_NTH(2), 5), /* [6] */
7491 BTF_PTR_ENC(6), /* [7] */
7492 /* ptr -> tag1 -> int */
7493 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [8] */
7494 BTF_PTR_ENC(8), /* [9] */
7495 BTF_END_RAW,
7496 },
7497 BTF_STR_SEC("\0tag1\0tag2"),
7498 },
7499 .expect = {
7500 .raw_types = {
7501 /* ptr -> tag2 -> tag1 -> int */
7502 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7503 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7504 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7505 BTF_PTR_ENC(3), /* [4] */
7506 /* ptr -> tag1 -> int */
7507 BTF_PTR_ENC(2), /* [5] */
7508 BTF_END_RAW,
7509 },
7510 BTF_STR_SEC("\0tag1\0tag2"),
7511 },
7512},
7513{
7514 .descr = "dedup: btf_type_tag #2",
7515 .input = {
7516 .raw_types = {
7517 /* ptr -> tag2 -> tag1 -> int */
7518 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7519 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7520 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7521 BTF_PTR_ENC(3), /* [4] */
7522 /* ptr -> tag2 -> int */
7523 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7524 BTF_PTR_ENC(5), /* [6] */
7525 BTF_END_RAW,
7526 },
7527 BTF_STR_SEC("\0tag1\0tag2"),
7528 },
7529 .expect = {
7530 .raw_types = {
7531 /* ptr -> tag2 -> tag1 -> int */
7532 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7533 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7534 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7535 BTF_PTR_ENC(3), /* [4] */
7536 /* ptr -> tag2 -> int */
7537 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7538 BTF_PTR_ENC(5), /* [6] */
7539 BTF_END_RAW,
7540 },
7541 BTF_STR_SEC("\0tag1\0tag2"),
7542 },
7543},
7544{
7545 .descr = "dedup: btf_type_tag #3",
7546 .input = {
7547 .raw_types = {
7548 /* ptr -> tag2 -> tag1 -> int */
7549 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7550 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7551 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7552 BTF_PTR_ENC(3), /* [4] */
7553 /* ptr -> tag1 -> tag2 -> int */
7554 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7555 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */
7556 BTF_PTR_ENC(6), /* [7] */
7557 BTF_END_RAW,
7558 },
7559 BTF_STR_SEC("\0tag1\0tag2"),
7560 },
7561 .expect = {
7562 .raw_types = {
7563 /* ptr -> tag2 -> tag1 -> int */
7564 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7565 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7566 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7567 BTF_PTR_ENC(3), /* [4] */
7568 /* ptr -> tag1 -> tag2 -> int */
7569 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7570 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */
7571 BTF_PTR_ENC(6), /* [7] */
7572 BTF_END_RAW,
7573 },
7574 BTF_STR_SEC("\0tag1\0tag2"),
7575 },
7576},
7577{
7578 .descr = "dedup: btf_type_tag #4",
7579 .input = {
7580 .raw_types = {
7581 /* ptr -> tag1 -> int */
7582 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7583 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7584 BTF_PTR_ENC(2), /* [3] */
7585 /* ptr -> tag1 -> long */
7586 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */
7587 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */
7588 BTF_PTR_ENC(5), /* [6] */
7589 BTF_END_RAW,
7590 },
7591 BTF_STR_SEC("\0tag1"),
7592 },
7593 .expect = {
7594 .raw_types = {
7595 /* ptr -> tag1 -> int */
7596 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7597 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7598 BTF_PTR_ENC(2), /* [3] */
7599 /* ptr -> tag1 -> long */
7600 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */
7601 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */
7602 BTF_PTR_ENC(5), /* [6] */
7603 BTF_END_RAW,
7604 },
7605 BTF_STR_SEC("\0tag1"),
7606 },
7607},
7608{
7609 .descr = "dedup: btf_type_tag #5, struct",
7610 .input = {
7611 .raw_types = {
7612 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7613 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7614 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */
7615 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)),
7616 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [4] */
7617 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [5] */
7618 BTF_MEMBER_ENC(NAME_NTH(3), 4, BTF_MEMBER_OFFSET(0, 0)),
7619 BTF_END_RAW,
7620 },
7621 BTF_STR_SEC("\0tag1\0t\0m"),
7622 },
7623 .expect = {
7624 .raw_types = {
7625 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7626 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7627 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */
7628 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)),
7629 BTF_END_RAW,
7630 },
7631 BTF_STR_SEC("\0tag1\0t\0m"),
7632 },
7633},
7634{
7635 .descr = "dedup: enum64, standalone",
7636 .input = {
7637 .raw_types = {
7638 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7639 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7640 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7641 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7642 BTF_END_RAW,
7643 },
7644 BTF_STR_SEC("\0e1\0e1_val"),
7645 },
7646 .expect = {
7647 .raw_types = {
7648 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7649 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7650 BTF_END_RAW,
7651 },
7652 BTF_STR_SEC("\0e1\0e1_val"),
7653 },
7654},
7655{
7656 .descr = "dedup: enum64, fwd resolution",
7657 .input = {
7658 .raw_types = {
7659 /* [1] fwd enum64 'e1' before full enum */
7660 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8),
7661 /* [2] full enum64 'e1' after fwd */
7662 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7663 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7664 /* [3] full enum64 'e2' before fwd */
7665 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7666 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456),
7667 /* [4] fwd enum64 'e2' after full enum */
7668 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8),
7669 /* [5] incompatible full enum64 with different value */
7670 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7671 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321),
7672 BTF_END_RAW,
7673 },
7674 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7675 },
7676 .expect = {
7677 .raw_types = {
7678 /* [1] full enum64 'e1' */
7679 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7680 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7681 /* [2] full enum64 'e2' */
7682 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7683 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456),
7684 /* [3] incompatible full enum64 with different value */
7685 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7686 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321),
7687 BTF_END_RAW,
7688 },
7689 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7690 },
7691},
7692{
7693 .descr = "dedup: enum and enum64, no dedup",
7694 .input = {
7695 .raw_types = {
7696 /* [1] enum 'e1' */
7697 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7698 BTF_ENUM_ENC(NAME_NTH(2), 1),
7699 /* [2] enum64 'e1' */
7700 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4),
7701 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7702 BTF_END_RAW,
7703 },
7704 BTF_STR_SEC("\0e1\0e1_val"),
7705 },
7706 .expect = {
7707 .raw_types = {
7708 /* [1] enum 'e1' */
7709 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7710 BTF_ENUM_ENC(NAME_NTH(2), 1),
7711 /* [2] enum64 'e1' */
7712 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4),
7713 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7714 BTF_END_RAW,
7715 },
7716 BTF_STR_SEC("\0e1\0e1_val"),
7717 },
7718},
7719{
7720 .descr = "dedup: enum of different size: no dedup",
7721 .input = {
7722 .raw_types = {
7723 /* [1] enum 'e1' */
7724 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7725 BTF_ENUM_ENC(NAME_NTH(2), 1),
7726 /* [2] enum 'e1' */
7727 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2),
7728 BTF_ENUM_ENC(NAME_NTH(2), 1),
7729 BTF_END_RAW,
7730 },
7731 BTF_STR_SEC("\0e1\0e1_val"),
7732 },
7733 .expect = {
7734 .raw_types = {
7735 /* [1] enum 'e1' */
7736 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7737 BTF_ENUM_ENC(NAME_NTH(2), 1),
7738 /* [2] enum 'e1' */
7739 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2),
7740 BTF_ENUM_ENC(NAME_NTH(2), 1),
7741 BTF_END_RAW,
7742 },
7743 BTF_STR_SEC("\0e1\0e1_val"),
7744 },
7745},
7746{
7747 .descr = "dedup: enum fwd to enum64",
7748 .input = {
7749 .raw_types = {
7750 /* [1] enum64 'e1' */
7751 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7752 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7753 /* [2] enum 'e1' fwd */
7754 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
7755 /* [3] typedef enum 'e1' td */
7756 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2),
7757 BTF_END_RAW,
7758 },
7759 BTF_STR_SEC("\0e1\0e1_val\0td"),
7760 },
7761 .expect = {
7762 .raw_types = {
7763 /* [1] enum64 'e1' */
7764 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7765 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7766 /* [2] typedef enum 'e1' td */
7767 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1),
7768 BTF_END_RAW,
7769 },
7770 BTF_STR_SEC("\0e1\0e1_val\0td"),
7771 },
7772},
7773{
7774 .descr = "dedup: enum64 fwd to enum",
7775 .input = {
7776 .raw_types = {
7777 /* [1] enum 'e1' */
7778 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7779 BTF_ENUM_ENC(NAME_NTH(2), 1),
7780 /* [2] enum64 'e1' fwd */
7781 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8),
7782 /* [3] typedef enum 'e1' td */
7783 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2),
7784 BTF_END_RAW,
7785 },
7786 BTF_STR_SEC("\0e1\0e1_val\0td"),
7787 },
7788 .expect = {
7789 .raw_types = {
7790 /* [1] enum 'e1' */
7791 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7792 BTF_ENUM_ENC(NAME_NTH(2), 1),
7793 /* [2] typedef enum 'e1' td */
7794 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1),
7795 BTF_END_RAW,
7796 },
7797 BTF_STR_SEC("\0e1\0e1_val\0td"),
7798 },
7799},
7800{
7801 .descr = "dedup: standalone fwd declaration struct",
7802 /*
7803 * Verify that CU1:foo and CU2:foo would be unified and that
7804 * typedef/ptr would be updated to point to CU1:foo.
7805 *
7806 * // CU 1:
7807 * struct foo { int x; };
7808 *
7809 * // CU 2:
7810 * struct foo;
7811 * typedef struct foo *foo_ptr;
7812 */
7813 .input = {
7814 .raw_types = {
7815 /* CU 1 */
7816 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7817 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7818 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7819 /* CU 2 */
7820 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */
7821 BTF_PTR_ENC(3), /* [4] */
7822 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7823 BTF_END_RAW,
7824 },
7825 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7826 },
7827 .expect = {
7828 .raw_types = {
7829 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7830 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7831 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7832 BTF_PTR_ENC(1), /* [3] */
7833 BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */
7834 BTF_END_RAW,
7835 },
7836 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7837 },
7838},
7839{
7840 .descr = "dedup: standalone fwd declaration union",
7841 /*
7842 * Verify that CU1:foo and CU2:foo would be unified and that
7843 * typedef/ptr would be updated to point to CU1:foo.
7844 * Same as "dedup: standalone fwd declaration struct" but for unions.
7845 *
7846 * // CU 1:
7847 * union foo { int x; };
7848 *
7849 * // CU 2:
7850 * union foo;
7851 * typedef union foo *foo_ptr;
7852 */
7853 .input = {
7854 .raw_types = {
7855 /* CU 1 */
7856 BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */
7857 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7858 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7859 /* CU 2 */
7860 BTF_FWD_ENC(NAME_TBD, 1), /* [3] */
7861 BTF_PTR_ENC(3), /* [4] */
7862 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7863 BTF_END_RAW,
7864 },
7865 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7866 },
7867 .expect = {
7868 .raw_types = {
7869 BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */
7870 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7871 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7872 BTF_PTR_ENC(1), /* [3] */
7873 BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */
7874 BTF_END_RAW,
7875 },
7876 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7877 },
7878},
7879{
7880 .descr = "dedup: standalone fwd declaration wrong kind",
7881 /*
7882 * Negative test for btf_dedup_resolve_fwds:
7883 * - CU1:foo is a struct, C2:foo is a union, thus CU2:foo is not deduped;
7884 * - typedef/ptr should remain unchanged as well.
7885 *
7886 * // CU 1:
7887 * struct foo { int x; };
7888 *
7889 * // CU 2:
7890 * union foo;
7891 * typedef union foo *foo_ptr;
7892 */
7893 .input = {
7894 .raw_types = {
7895 /* CU 1 */
7896 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7897 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7898 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7899 /* CU 2 */
7900 BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */
7901 BTF_PTR_ENC(3), /* [4] */
7902 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7903 BTF_END_RAW,
7904 },
7905 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7906 },
7907 .expect = {
7908 .raw_types = {
7909 /* CU 1 */
7910 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7911 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7912 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7913 /* CU 2 */
7914 BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */
7915 BTF_PTR_ENC(3), /* [4] */
7916 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7917 BTF_END_RAW,
7918 },
7919 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7920 },
7921},
7922{
7923 .descr = "dedup: standalone fwd declaration name conflict",
7924 /*
7925 * Negative test for btf_dedup_resolve_fwds:
7926 * - two candidates for CU2:foo dedup, thus it is unchanged;
7927 * - typedef/ptr should remain unchanged as well.
7928 *
7929 * // CU 1:
7930 * struct foo { int x; };
7931 *
7932 * // CU 2:
7933 * struct foo;
7934 * typedef struct foo *foo_ptr;
7935 *
7936 * // CU 3:
7937 * struct foo { int x; int y; };
7938 */
7939 .input = {
7940 .raw_types = {
7941 /* CU 1 */
7942 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7943 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7944 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7945 /* CU 2 */
7946 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */
7947 BTF_PTR_ENC(3), /* [4] */
7948 BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */
7949 /* CU 3 */
7950 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */
7951 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7952 BTF_MEMBER_ENC(NAME_NTH(3), 2, 0),
7953 BTF_END_RAW,
7954 },
7955 BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"),
7956 },
7957 .expect = {
7958 .raw_types = {
7959 /* CU 1 */
7960 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7961 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7962 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7963 /* CU 2 */
7964 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */
7965 BTF_PTR_ENC(3), /* [4] */
7966 BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */
7967 /* CU 3 */
7968 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */
7969 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7970 BTF_MEMBER_ENC(NAME_NTH(3), 2, 0),
7971 BTF_END_RAW,
7972 },
7973 BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"),
7974 },
7975},
7976};
7977
7978static int btf_type_size(const struct btf_type *t)
7979{
7980 int base_size = sizeof(struct btf_type);
7981 __u16 vlen = BTF_INFO_VLEN(t->info);
7982 __u16 kind = BTF_INFO_KIND(t->info);
7983
7984 switch (kind) {
7985 case BTF_KIND_FWD:
7986 case BTF_KIND_CONST:
7987 case BTF_KIND_VOLATILE:
7988 case BTF_KIND_RESTRICT:
7989 case BTF_KIND_PTR:
7990 case BTF_KIND_TYPEDEF:
7991 case BTF_KIND_FUNC:
7992 case BTF_KIND_FLOAT:
7993 case BTF_KIND_TYPE_TAG:
7994 return base_size;
7995 case BTF_KIND_INT:
7996 return base_size + sizeof(__u32);
7997 case BTF_KIND_ENUM:
7998 return base_size + vlen * sizeof(struct btf_enum);
7999 case BTF_KIND_ENUM64:
8000 return base_size + vlen * sizeof(struct btf_enum64);
8001 case BTF_KIND_ARRAY:
8002 return base_size + sizeof(struct btf_array);
8003 case BTF_KIND_STRUCT:
8004 case BTF_KIND_UNION:
8005 return base_size + vlen * sizeof(struct btf_member);
8006 case BTF_KIND_FUNC_PROTO:
8007 return base_size + vlen * sizeof(struct btf_param);
8008 case BTF_KIND_VAR:
8009 return base_size + sizeof(struct btf_var);
8010 case BTF_KIND_DATASEC:
8011 return base_size + vlen * sizeof(struct btf_var_secinfo);
8012 case BTF_KIND_DECL_TAG:
8013 return base_size + sizeof(struct btf_decl_tag);
8014 default:
8015 fprintf(stderr, "Unsupported BTF_KIND:%u\n", kind);
8016 return -EINVAL;
8017 }
8018}
8019
8020static void dump_btf_strings(const char *strs, __u32 len)
8021{
8022 const char *cur = strs;
8023 int i = 0;
8024
8025 while (cur < strs + len) {
8026 fprintf(stderr, "string #%d: '%s'\n", i, cur);
8027 cur += strlen(cur) + 1;
8028 i++;
8029 }
8030}
8031
8032static void do_test_dedup(unsigned int test_num)
8033{
8034 struct btf_dedup_test *test = &dedup_tests[test_num - 1];
8035 __u32 test_nr_types, expect_nr_types, test_btf_size, expect_btf_size;
8036 const struct btf_header *test_hdr, *expect_hdr;
8037 struct btf *test_btf = NULL, *expect_btf = NULL;
8038 const void *test_btf_data, *expect_btf_data;
8039 const char *ret_test_next_str, *ret_expect_next_str;
8040 const char *test_strs, *expect_strs;
8041 const char *test_str_cur;
8042 const char *expect_str_cur, *expect_str_end;
8043 unsigned int raw_btf_size;
8044 void *raw_btf;
8045 int err = 0, i;
8046
8047 if (!test__start_subtest(test->descr))
8048 return;
8049
8050 raw_btf = btf_raw_create(hdr: &hdr_tmpl, raw_types: test->input.raw_types,
8051 str: test->input.str_sec, str_sec_size: test->input.str_sec_size,
8052 btf_size: &raw_btf_size, ret_next_str: &ret_test_next_str);
8053 if (!raw_btf)
8054 return;
8055
8056 test_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
8057 err = libbpf_get_error(test_btf);
8058 free(raw_btf);
8059 if (CHECK(err, "invalid test_btf errno:%d", err)) {
8060 err = -1;
8061 goto done;
8062 }
8063
8064 raw_btf = btf_raw_create(hdr: &hdr_tmpl, raw_types: test->expect.raw_types,
8065 str: test->expect.str_sec,
8066 str_sec_size: test->expect.str_sec_size,
8067 btf_size: &raw_btf_size, ret_next_str: &ret_expect_next_str);
8068 if (!raw_btf)
8069 return;
8070 expect_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
8071 err = libbpf_get_error(expect_btf);
8072 free(raw_btf);
8073 if (CHECK(err, "invalid expect_btf errno:%d", err)) {
8074 err = -1;
8075 goto done;
8076 }
8077
8078 test->opts.sz = sizeof(test->opts);
8079 err = btf__dedup(test_btf, &test->opts);
8080 if (CHECK(err, "btf_dedup failed errno:%d", err)) {
8081 err = -1;
8082 goto done;
8083 }
8084
8085 test_btf_data = btf__raw_data(test_btf, &test_btf_size);
8086 expect_btf_data = btf__raw_data(expect_btf, &expect_btf_size);
8087 if (CHECK(test_btf_size != expect_btf_size,
8088 "test_btf_size:%u != expect_btf_size:%u",
8089 test_btf_size, expect_btf_size)) {
8090 err = -1;
8091 goto done;
8092 }
8093
8094 test_hdr = test_btf_data;
8095 test_strs = test_btf_data + sizeof(*test_hdr) + test_hdr->str_off;
8096 expect_hdr = expect_btf_data;
8097 expect_strs = expect_btf_data + sizeof(*test_hdr) + expect_hdr->str_off;
8098 if (CHECK(test_hdr->str_len != expect_hdr->str_len,
8099 "test_hdr->str_len:%u != expect_hdr->str_len:%u",
8100 test_hdr->str_len, expect_hdr->str_len)) {
8101 fprintf(stderr, "\ntest strings:\n");
8102 dump_btf_strings(strs: test_strs, len: test_hdr->str_len);
8103 fprintf(stderr, "\nexpected strings:\n");
8104 dump_btf_strings(strs: expect_strs, len: expect_hdr->str_len);
8105 err = -1;
8106 goto done;
8107 }
8108
8109 expect_str_cur = expect_strs;
8110 expect_str_end = expect_strs + expect_hdr->str_len;
8111 while (expect_str_cur < expect_str_end) {
8112 size_t test_len, expect_len;
8113 int off;
8114
8115 off = btf__find_str(test_btf, expect_str_cur);
8116 if (CHECK(off < 0, "exp str '%s' not found: %d\n", expect_str_cur, off)) {
8117 err = -1;
8118 goto done;
8119 }
8120 test_str_cur = btf__str_by_offset(test_btf, off);
8121
8122 test_len = strlen(test_str_cur);
8123 expect_len = strlen(expect_str_cur);
8124 if (CHECK(test_len != expect_len,
8125 "test_len:%zu != expect_len:%zu "
8126 "(test_str:%s, expect_str:%s)",
8127 test_len, expect_len, test_str_cur, expect_str_cur)) {
8128 err = -1;
8129 goto done;
8130 }
8131 if (CHECK(strcmp(test_str_cur, expect_str_cur),
8132 "test_str:%s != expect_str:%s",
8133 test_str_cur, expect_str_cur)) {
8134 err = -1;
8135 goto done;
8136 }
8137 expect_str_cur += expect_len + 1;
8138 }
8139
8140 test_nr_types = btf__type_cnt(test_btf);
8141 expect_nr_types = btf__type_cnt(expect_btf);
8142 if (CHECK(test_nr_types != expect_nr_types,
8143 "test_nr_types:%u != expect_nr_types:%u",
8144 test_nr_types, expect_nr_types)) {
8145 err = -1;
8146 goto done;
8147 }
8148
8149 for (i = 1; i < test_nr_types; i++) {
8150 const struct btf_type *test_type, *expect_type;
8151 int test_size, expect_size;
8152
8153 test_type = btf__type_by_id(test_btf, i);
8154 expect_type = btf__type_by_id(expect_btf, i);
8155 test_size = btf_type_size(t: test_type);
8156 expect_size = btf_type_size(t: expect_type);
8157
8158 if (CHECK(test_size != expect_size,
8159 "type #%d: test_size:%d != expect_size:%u",
8160 i, test_size, expect_size)) {
8161 err = -1;
8162 goto done;
8163 }
8164 if (CHECK(btf_kind(test_type) != btf_kind(expect_type),
8165 "type %d kind: exp %d != got %u\n",
8166 i, btf_kind(expect_type), btf_kind(test_type))) {
8167 err = -1;
8168 goto done;
8169 }
8170 if (CHECK(test_type->info != expect_type->info,
8171 "type %d info: exp %d != got %u\n",
8172 i, expect_type->info, test_type->info)) {
8173 err = -1;
8174 goto done;
8175 }
8176 if (CHECK(test_type->size != expect_type->size,
8177 "type %d size/type: exp %d != got %u\n",
8178 i, expect_type->size, test_type->size)) {
8179 err = -1;
8180 goto done;
8181 }
8182 }
8183
8184done:
8185 btf__free(test_btf);
8186 btf__free(expect_btf);
8187}
8188
8189void test_btf(void)
8190{
8191 int i;
8192
8193 always_log = env.verbosity > VERBOSE_NONE;
8194
8195 for (i = 1; i <= ARRAY_SIZE(raw_tests); i++)
8196 do_test_raw(test_num: i);
8197 for (i = 1; i <= ARRAY_SIZE(get_info_tests); i++)
8198 do_test_get_info(test_num: i);
8199 for (i = 1; i <= ARRAY_SIZE(file_tests); i++)
8200 do_test_file(test_num: i);
8201 for (i = 1; i <= ARRAY_SIZE(info_raw_tests); i++)
8202 do_test_info_raw(test_num: i);
8203 for (i = 1; i <= ARRAY_SIZE(dedup_tests); i++)
8204 do_test_dedup(i);
8205 test_pprint();
8206}
8207

source code of linux/tools/testing/selftests/bpf/prog_tests/btf.c