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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{
3540 .descr = "float test #1, well-formed",
3541 .raw_types = {
3542 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3543 /* [1] */
3544 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [2] */
3545 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [3] */
3546 BTF_TYPE_FLOAT_ENC(NAME_TBD, 8), /* [4] */
3547 BTF_TYPE_FLOAT_ENC(NAME_TBD, 12), /* [5] */
3548 BTF_TYPE_FLOAT_ENC(NAME_TBD, 16), /* [6] */
3549 BTF_STRUCT_ENC(NAME_TBD, 5, 48), /* [7] */
3550 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
3551 BTF_MEMBER_ENC(NAME_TBD, 3, 32),
3552 BTF_MEMBER_ENC(NAME_TBD, 4, 64),
3553 BTF_MEMBER_ENC(NAME_TBD, 5, 128),
3554 BTF_MEMBER_ENC(NAME_TBD, 6, 256),
3555 BTF_END_RAW,
3556 },
3557 BTF_STR_SEC("\0int\0_Float16\0float\0double\0_Float80\0long_double"
3558 "\0floats\0a\0b\0c\0d\0e"),
3559 .map_type = BPF_MAP_TYPE_ARRAY,
3560 .map_name = "float_type_check_btf",
3561 .key_size = sizeof(int),
3562 .value_size = 48,
3563 .key_type_id = 1,
3564 .value_type_id = 7,
3565 .max_entries = 1,
3566},
3567{
3568 .descr = "float test #2, invalid vlen",
3569 .raw_types = {
3570 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3571 /* [1] */
3572 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 0, 1), 4),
3573 /* [2] */
3574 BTF_END_RAW,
3575 },
3576 BTF_STR_SEC("\0int\0float"),
3577 .map_type = BPF_MAP_TYPE_ARRAY,
3578 .map_name = "float_type_check_btf",
3579 .key_size = sizeof(int),
3580 .value_size = 4,
3581 .key_type_id = 1,
3582 .value_type_id = 2,
3583 .max_entries = 1,
3584 .btf_load_err = true,
3585 .err_str = "vlen != 0",
3586},
3587{
3588 .descr = "float test #3, invalid kind_flag",
3589 .raw_types = {
3590 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3591 /* [1] */
3592 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 1, 0), 4),
3593 /* [2] */
3594 BTF_END_RAW,
3595 },
3596 BTF_STR_SEC("\0int\0float"),
3597 .map_type = BPF_MAP_TYPE_ARRAY,
3598 .map_name = "float_type_check_btf",
3599 .key_size = sizeof(int),
3600 .value_size = 4,
3601 .key_type_id = 1,
3602 .value_type_id = 2,
3603 .max_entries = 1,
3604 .btf_load_err = true,
3605 .err_str = "Invalid btf_info kind_flag",
3606},
3607{
3608 .descr = "float test #4, member does not fit",
3609 .raw_types = {
3610 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3611 /* [1] */
3612 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */
3613 BTF_STRUCT_ENC(NAME_TBD, 1, 2), /* [3] */
3614 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
3615 BTF_END_RAW,
3616 },
3617 BTF_STR_SEC("\0int\0float\0floats\0x"),
3618 .map_type = BPF_MAP_TYPE_ARRAY,
3619 .map_name = "float_type_check_btf",
3620 .key_size = sizeof(int),
3621 .value_size = 4,
3622 .key_type_id = 1,
3623 .value_type_id = 3,
3624 .max_entries = 1,
3625 .btf_load_err = true,
3626 .err_str = "Member exceeds struct_size",
3627},
3628{
3629 .descr = "float test #5, member is not properly aligned",
3630 .raw_types = {
3631 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3632 /* [1] */
3633 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */
3634 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] */
3635 BTF_MEMBER_ENC(NAME_TBD, 2, 8),
3636 BTF_END_RAW,
3637 },
3638 BTF_STR_SEC("\0int\0float\0floats\0x"),
3639 .map_type = BPF_MAP_TYPE_ARRAY,
3640 .map_name = "float_type_check_btf",
3641 .key_size = sizeof(int),
3642 .value_size = 4,
3643 .key_type_id = 1,
3644 .value_type_id = 3,
3645 .max_entries = 1,
3646 .btf_load_err = true,
3647 .err_str = "Member is not properly aligned",
3648},
3649{
3650 .descr = "float test #6, invalid size",
3651 .raw_types = {
3652 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
3653 /* [1] */
3654 BTF_TYPE_FLOAT_ENC(NAME_TBD, 6), /* [2] */
3655 BTF_END_RAW,
3656 },
3657 BTF_STR_SEC("\0int\0float"),
3658 .map_type = BPF_MAP_TYPE_ARRAY,
3659 .map_name = "float_type_check_btf",
3660 .key_size = sizeof(int),
3661 .value_size = 6,
3662 .key_type_id = 1,
3663 .value_type_id = 2,
3664 .max_entries = 1,
3665 .btf_load_err = true,
3666 .err_str = "Invalid type_size",
3667},
3668
3669{
3670 .descr = "decl_tag test #1, struct/member, well-formed",
3671 .raw_types = {
3672 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3673 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
3674 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3675 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
3676 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3677 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3678 BTF_DECL_TAG_ENC(NAME_TBD, 2, 1),
3679 BTF_END_RAW,
3680 },
3681 BTF_STR_SEC("\0m1\0m2\0tag1\0tag2\0tag3"),
3682 .map_type = BPF_MAP_TYPE_ARRAY,
3683 .map_name = "tag_type_check_btf",
3684 .key_size = sizeof(int),
3685 .value_size = 8,
3686 .key_type_id = 1,
3687 .value_type_id = 2,
3688 .max_entries = 1,
3689},
3690{
3691 .descr = "decl_tag test #2, union/member, well-formed",
3692 .raw_types = {
3693 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3694 BTF_UNION_ENC(NAME_TBD, 2, 4), /* [2] */
3695 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3696 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3697 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3698 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3699 BTF_DECL_TAG_ENC(NAME_TBD, 2, 1),
3700 BTF_END_RAW,
3701 },
3702 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
3703 .map_type = BPF_MAP_TYPE_ARRAY,
3704 .map_name = "tag_type_check_btf",
3705 .key_size = sizeof(int),
3706 .value_size = 4,
3707 .key_type_id = 1,
3708 .value_type_id = 2,
3709 .max_entries = 1,
3710},
3711{
3712 .descr = "decl_tag test #3, variable, well-formed",
3713 .raw_types = {
3714 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3715 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3716 BTF_VAR_ENC(NAME_TBD, 1, 1), /* [3] */
3717 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3718 BTF_DECL_TAG_ENC(NAME_TBD, 3, -1),
3719 BTF_END_RAW,
3720 },
3721 BTF_STR_SEC("\0local\0global\0tag1\0tag2"),
3722 .map_type = BPF_MAP_TYPE_ARRAY,
3723 .map_name = "tag_type_check_btf",
3724 .key_size = sizeof(int),
3725 .value_size = 4,
3726 .key_type_id = 1,
3727 .value_type_id = 1,
3728 .max_entries = 1,
3729},
3730{
3731 .descr = "decl_tag test #4, func/parameter, well-formed",
3732 .raw_types = {
3733 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3734 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
3735 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3736 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3737 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
3738 BTF_DECL_TAG_ENC(NAME_TBD, 3, -1),
3739 BTF_DECL_TAG_ENC(NAME_TBD, 3, 0),
3740 BTF_DECL_TAG_ENC(NAME_TBD, 3, 1),
3741 BTF_END_RAW,
3742 },
3743 BTF_STR_SEC("\0arg1\0arg2\0f\0tag1\0tag2\0tag3"),
3744 .map_type = BPF_MAP_TYPE_ARRAY,
3745 .map_name = "tag_type_check_btf",
3746 .key_size = sizeof(int),
3747 .value_size = 4,
3748 .key_type_id = 1,
3749 .value_type_id = 1,
3750 .max_entries = 1,
3751},
3752{
3753 .descr = "decl_tag test #5, invalid value",
3754 .raw_types = {
3755 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3756 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3757 BTF_DECL_TAG_ENC(0, 2, -1),
3758 BTF_END_RAW,
3759 },
3760 BTF_STR_SEC("\0local\0tag"),
3761 .map_type = BPF_MAP_TYPE_ARRAY,
3762 .map_name = "tag_type_check_btf",
3763 .key_size = sizeof(int),
3764 .value_size = 4,
3765 .key_type_id = 1,
3766 .value_type_id = 1,
3767 .max_entries = 1,
3768 .btf_load_err = true,
3769 .err_str = "Invalid value",
3770},
3771{
3772 .descr = "decl_tag test #6, invalid target type",
3773 .raw_types = {
3774 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3775 BTF_DECL_TAG_ENC(NAME_TBD, 1, -1),
3776 BTF_END_RAW,
3777 },
3778 BTF_STR_SEC("\0tag1"),
3779 .map_type = BPF_MAP_TYPE_ARRAY,
3780 .map_name = "tag_type_check_btf",
3781 .key_size = sizeof(int),
3782 .value_size = 4,
3783 .key_type_id = 1,
3784 .value_type_id = 1,
3785 .max_entries = 1,
3786 .btf_load_err = true,
3787 .err_str = "Invalid type",
3788},
3789{
3790 .descr = "decl_tag test #7, invalid vlen",
3791 .raw_types = {
3792 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3793 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3794 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 1), 2), (0),
3795 BTF_END_RAW,
3796 },
3797 BTF_STR_SEC("\0local\0tag1"),
3798 .map_type = BPF_MAP_TYPE_ARRAY,
3799 .map_name = "tag_type_check_btf",
3800 .key_size = sizeof(int),
3801 .value_size = 4,
3802 .key_type_id = 1,
3803 .value_type_id = 1,
3804 .max_entries = 1,
3805 .btf_load_err = true,
3806 .err_str = "vlen != 0",
3807},
3808{
3809 .descr = "decl_tag test #8, invalid kflag",
3810 .raw_types = {
3811 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3812 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3813 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 1, 0), 2), (-1),
3814 BTF_END_RAW,
3815 },
3816 BTF_STR_SEC("\0local\0tag1"),
3817 .map_type = BPF_MAP_TYPE_ARRAY,
3818 .map_name = "tag_type_check_btf",
3819 .key_size = sizeof(int),
3820 .value_size = 4,
3821 .key_type_id = 1,
3822 .value_type_id = 1,
3823 .max_entries = 1,
3824 .btf_load_err = true,
3825 .err_str = "Invalid btf_info kind_flag",
3826},
3827{
3828 .descr = "decl_tag test #9, var, invalid component_idx",
3829 .raw_types = {
3830 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3831 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3832 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3833 BTF_END_RAW,
3834 },
3835 BTF_STR_SEC("\0local\0tag"),
3836 .map_type = BPF_MAP_TYPE_ARRAY,
3837 .map_name = "tag_type_check_btf",
3838 .key_size = sizeof(int),
3839 .value_size = 4,
3840 .key_type_id = 1,
3841 .value_type_id = 1,
3842 .max_entries = 1,
3843 .btf_load_err = true,
3844 .err_str = "Invalid component_idx",
3845},
3846{
3847 .descr = "decl_tag test #10, struct member, invalid component_idx",
3848 .raw_types = {
3849 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3850 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
3851 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3852 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
3853 BTF_DECL_TAG_ENC(NAME_TBD, 2, 2),
3854 BTF_END_RAW,
3855 },
3856 BTF_STR_SEC("\0m1\0m2\0tag"),
3857 .map_type = BPF_MAP_TYPE_ARRAY,
3858 .map_name = "tag_type_check_btf",
3859 .key_size = sizeof(int),
3860 .value_size = 8,
3861 .key_type_id = 1,
3862 .value_type_id = 2,
3863 .max_entries = 1,
3864 .btf_load_err = true,
3865 .err_str = "Invalid component_idx",
3866},
3867{
3868 .descr = "decl_tag test #11, func parameter, invalid component_idx",
3869 .raw_types = {
3870 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3871 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
3872 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3873 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3874 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
3875 BTF_DECL_TAG_ENC(NAME_TBD, 3, 2),
3876 BTF_END_RAW,
3877 },
3878 BTF_STR_SEC("\0arg1\0arg2\0f\0tag"),
3879 .map_type = BPF_MAP_TYPE_ARRAY,
3880 .map_name = "tag_type_check_btf",
3881 .key_size = sizeof(int),
3882 .value_size = 4,
3883 .key_type_id = 1,
3884 .value_type_id = 1,
3885 .max_entries = 1,
3886 .btf_load_err = true,
3887 .err_str = "Invalid component_idx",
3888},
3889{
3890 .descr = "decl_tag test #12, < -1 component_idx",
3891 .raw_types = {
3892 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3893 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
3894 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3895 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3896 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
3897 BTF_DECL_TAG_ENC(NAME_TBD, 3, -2),
3898 BTF_END_RAW,
3899 },
3900 BTF_STR_SEC("\0arg1\0arg2\0f\0tag"),
3901 .map_type = BPF_MAP_TYPE_ARRAY,
3902 .map_name = "tag_type_check_btf",
3903 .key_size = sizeof(int),
3904 .value_size = 4,
3905 .key_type_id = 1,
3906 .value_type_id = 1,
3907 .max_entries = 1,
3908 .btf_load_err = true,
3909 .err_str = "Invalid component_idx",
3910},
3911{
3912 .descr = "decl_tag test #13, typedef, well-formed",
3913 .raw_types = {
3914 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3915 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */
3916 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1),
3917 BTF_END_RAW,
3918 },
3919 BTF_STR_SEC("\0t\0tag"),
3920 .map_type = BPF_MAP_TYPE_ARRAY,
3921 .map_name = "tag_type_check_btf",
3922 .key_size = sizeof(int),
3923 .value_size = 4,
3924 .key_type_id = 1,
3925 .value_type_id = 1,
3926 .max_entries = 1,
3927},
3928{
3929 .descr = "decl_tag test #14, typedef, invalid component_idx",
3930 .raw_types = {
3931 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3932 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */
3933 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0),
3934 BTF_END_RAW,
3935 },
3936 BTF_STR_SEC("\0local\0tag"),
3937 .map_type = BPF_MAP_TYPE_ARRAY,
3938 .map_name = "tag_type_check_btf",
3939 .key_size = sizeof(int),
3940 .value_size = 4,
3941 .key_type_id = 1,
3942 .value_type_id = 1,
3943 .max_entries = 1,
3944 .btf_load_err = true,
3945 .err_str = "Invalid component_idx",
3946},
3947{
3948 .descr = "decl_tag test #15, func, invalid func proto",
3949 .raw_types = {
3950 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3951 BTF_DECL_TAG_ENC(NAME_TBD, 3, 0), /* [2] */
3952 BTF_FUNC_ENC(NAME_TBD, 8), /* [3] */
3953 BTF_END_RAW,
3954 },
3955 BTF_STR_SEC("\0tag\0func"),
3956 .map_type = BPF_MAP_TYPE_ARRAY,
3957 .map_name = "tag_type_check_btf",
3958 .key_size = sizeof(int),
3959 .value_size = 4,
3960 .key_type_id = 1,
3961 .value_type_id = 1,
3962 .max_entries = 1,
3963 .btf_load_err = true,
3964 .err_str = "Invalid type_id",
3965},
3966{
3967 .descr = "decl_tag test #16, func proto, return type",
3968 .raw_types = {
3969 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3970 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */
3971 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 2), (-1), /* [3] */
3972 BTF_FUNC_PROTO_ENC(3, 0), /* [4] */
3973 BTF_END_RAW,
3974 },
3975 BTF_STR_SEC("\0local\0tag1"),
3976 .btf_load_err = true,
3977 .err_str = "Invalid return type",
3978},
3979{
3980 .descr = "decl_tag test #17, func proto, argument",
3981 .raw_types = {
3982 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 4), (-1), /* [1] */
3983 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), /* [2] */
3984 BTF_FUNC_PROTO_ENC(0, 1), /* [3] */
3985 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
3986 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [4] */
3987 BTF_END_RAW,
3988 },
3989 BTF_STR_SEC("\0local\0tag1\0var"),
3990 .btf_load_err = true,
3991 .err_str = "Invalid arg#1",
3992},
3993{
3994 .descr = "decl_tag test #18, decl_tag as the map key type",
3995 .raw_types = {
3996 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
3997 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
3998 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
3999 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
4000 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */
4001 BTF_END_RAW,
4002 },
4003 BTF_STR_SEC("\0m1\0m2\0tag"),
4004 .map_type = BPF_MAP_TYPE_HASH,
4005 .map_name = "tag_type_check_btf",
4006 .key_size = 8,
4007 .value_size = 4,
4008 .key_type_id = 3,
4009 .value_type_id = 1,
4010 .max_entries = 1,
4011 .map_create_err = true,
4012},
4013{
4014 .descr = "decl_tag test #19, decl_tag as the map value type",
4015 .raw_types = {
4016 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4017 BTF_STRUCT_ENC(0, 2, 8), /* [2] */
4018 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
4019 BTF_MEMBER_ENC(NAME_TBD, 1, 32),
4020 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */
4021 BTF_END_RAW,
4022 },
4023 BTF_STR_SEC("\0m1\0m2\0tag"),
4024 .map_type = BPF_MAP_TYPE_HASH,
4025 .map_name = "tag_type_check_btf",
4026 .key_size = 4,
4027 .value_size = 8,
4028 .key_type_id = 1,
4029 .value_type_id = 3,
4030 .max_entries = 1,
4031 .map_create_err = true,
4032},
4033{
4034 .descr = "type_tag test #1",
4035 .raw_types = {
4036 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4037 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [2] */
4038 BTF_PTR_ENC(2), /* [3] */
4039 BTF_END_RAW,
4040 },
4041 BTF_STR_SEC("\0tag"),
4042 .map_type = BPF_MAP_TYPE_ARRAY,
4043 .map_name = "tag_type_check_btf",
4044 .key_size = sizeof(int),
4045 .value_size = 4,
4046 .key_type_id = 1,
4047 .value_type_id = 1,
4048 .max_entries = 1,
4049},
4050{
4051 .descr = "type_tag test #2, type tag order",
4052 .raw_types = {
4053 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4054 BTF_CONST_ENC(3), /* [2] */
4055 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [3] */
4056 BTF_END_RAW,
4057 },
4058 BTF_STR_SEC("\0tag"),
4059 .map_type = BPF_MAP_TYPE_ARRAY,
4060 .map_name = "tag_type_check_btf",
4061 .key_size = sizeof(int),
4062 .value_size = 4,
4063 .key_type_id = 1,
4064 .value_type_id = 1,
4065 .max_entries = 1,
4066 .btf_load_err = true,
4067 .err_str = "Type tags don't precede modifiers",
4068},
4069{
4070 .descr = "type_tag test #3, type tag order",
4071 .raw_types = {
4072 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4073 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */
4074 BTF_CONST_ENC(4), /* [3] */
4075 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */
4076 BTF_END_RAW,
4077 },
4078 BTF_STR_SEC("\0tag\0tag"),
4079 .map_type = BPF_MAP_TYPE_ARRAY,
4080 .map_name = "tag_type_check_btf",
4081 .key_size = sizeof(int),
4082 .value_size = 4,
4083 .key_type_id = 1,
4084 .value_type_id = 1,
4085 .max_entries = 1,
4086 .btf_load_err = true,
4087 .err_str = "Type tags don't precede modifiers",
4088},
4089{
4090 .descr = "type_tag test #4, type tag order",
4091 .raw_types = {
4092 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4093 BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [2] */
4094 BTF_CONST_ENC(4), /* [3] */
4095 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */
4096 BTF_END_RAW,
4097 },
4098 BTF_STR_SEC("\0tag\0tag"),
4099 .map_type = BPF_MAP_TYPE_ARRAY,
4100 .map_name = "tag_type_check_btf",
4101 .key_size = sizeof(int),
4102 .value_size = 4,
4103 .key_type_id = 1,
4104 .value_type_id = 1,
4105 .max_entries = 1,
4106 .btf_load_err = true,
4107 .err_str = "Type tags don't precede modifiers",
4108},
4109{
4110 .descr = "type_tag test #5, type tag order",
4111 .raw_types = {
4112 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4113 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */
4114 BTF_CONST_ENC(1), /* [3] */
4115 BTF_TYPE_TAG_ENC(NAME_TBD, 2), /* [4] */
4116 BTF_END_RAW,
4117 },
4118 BTF_STR_SEC("\0tag\0tag"),
4119 .map_type = BPF_MAP_TYPE_ARRAY,
4120 .map_name = "tag_type_check_btf",
4121 .key_size = sizeof(int),
4122 .value_size = 4,
4123 .key_type_id = 1,
4124 .value_type_id = 1,
4125 .max_entries = 1,
4126},
4127{
4128 .descr = "type_tag test #6, type tag order",
4129 .raw_types = {
4130 BTF_PTR_ENC(2), /* [1] */
4131 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */
4132 BTF_CONST_ENC(4), /* [3] */
4133 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */
4134 BTF_PTR_ENC(6), /* [5] */
4135 BTF_CONST_ENC(2), /* [6] */
4136 BTF_END_RAW,
4137 },
4138 BTF_STR_SEC("\0tag"),
4139 .map_type = BPF_MAP_TYPE_ARRAY,
4140 .map_name = "tag_type_check_btf",
4141 .key_size = sizeof(int),
4142 .value_size = 4,
4143 .key_type_id = 1,
4144 .value_type_id = 1,
4145 .max_entries = 1,
4146 .btf_load_err = true,
4147 .err_str = "Type tags don't precede modifiers",
4148},
4149{
4150 .descr = "enum64 test #1, unsigned, size 8",
4151 .raw_types = {
4152 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4153 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [2] */
4154 BTF_ENUM64_ENC(NAME_TBD, 0, 0),
4155 BTF_ENUM64_ENC(NAME_TBD, 1, 1),
4156 BTF_END_RAW,
4157 },
4158 BTF_STR_SEC("\0a\0b\0c"),
4159 .map_type = BPF_MAP_TYPE_ARRAY,
4160 .map_name = "tag_type_check_btf",
4161 .key_size = sizeof(int),
4162 .value_size = 8,
4163 .key_type_id = 1,
4164 .value_type_id = 2,
4165 .max_entries = 1,
4166},
4167{
4168 .descr = "enum64 test #2, signed, size 4",
4169 .raw_types = {
4170 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
4171 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 1, 2), 4), /* [2] */
4172 BTF_ENUM64_ENC(NAME_TBD, -1, 0),
4173 BTF_ENUM64_ENC(NAME_TBD, 1, 0),
4174 BTF_END_RAW,
4175 },
4176 BTF_STR_SEC("\0a\0b\0c"),
4177 .map_type = BPF_MAP_TYPE_ARRAY,
4178 .map_name = "tag_type_check_btf",
4179 .key_size = sizeof(int),
4180 .value_size = 4,
4181 .key_type_id = 1,
4182 .value_type_id = 2,
4183 .max_entries = 1,
4184},
4185
4186}; /* struct btf_raw_test raw_tests[] */
4187
4188static const char *get_next_str(const char *start, const char *end)
4189{
4190 return start < end - 1 ? start + 1 : NULL;
4191}
4192
4193static int get_raw_sec_size(const __u32 *raw_types)
4194{
4195 int i;
4196
4197 for (i = MAX_NR_RAW_U32 - 1;
4198 i >= 0 && raw_types[i] != BTF_END_RAW;
4199 i--)
4200 ;
4201
4202 return i < 0 ? i : i * sizeof(raw_types[0]);
4203}
4204
4205static void *btf_raw_create(const struct btf_header *hdr,
4206 const __u32 *raw_types,
4207 const char *str,
4208 unsigned int str_sec_size,
4209 unsigned int *btf_size,
4210 const char **ret_next_str)
4211{
4212 const char *next_str = str, *end_str = str + str_sec_size;
4213 const char **strs_idx = NULL, **tmp_strs_idx;
4214 int strs_cap = 0, strs_cnt = 0, next_str_idx = 0;
4215 unsigned int size_needed, offset;
4216 struct btf_header *ret_hdr;
4217 int i, type_sec_size, err = 0;
4218 uint32_t *ret_types;
4219 void *raw_btf = NULL;
4220
4221 type_sec_size = get_raw_sec_size(raw_types);
4222 if (CHECK(type_sec_size < 0, "Cannot get nr_raw_types"))
4223 return NULL;
4224
4225 size_needed = sizeof(*hdr) + type_sec_size + str_sec_size;
4226 raw_btf = malloc(size_needed);
4227 if (CHECK(!raw_btf, "Cannot allocate memory for raw_btf"))
4228 return NULL;
4229
4230 /* Copy header */
4231 memcpy(raw_btf, hdr, sizeof(*hdr));
4232 offset = sizeof(*hdr);
4233
4234 /* Index strings */
4235 while ((next_str = get_next_str(next_str, end_str))) {
4236 if (strs_cnt == strs_cap) {
4237 strs_cap += max(16, strs_cap / 2);
4238 tmp_strs_idx = realloc(strs_idx,
4239 sizeof(*strs_idx) * strs_cap);
4240 if (CHECK(!tmp_strs_idx,
4241 "Cannot allocate memory for strs_idx")) {
4242 err = -1;
4243 goto done;
4244 }
4245 strs_idx = tmp_strs_idx;
4246 }
4247 strs_idx[strs_cnt++] = next_str;
4248 next_str += strlen(next_str);
4249 }
4250
4251 /* Copy type section */
4252 ret_types = raw_btf + offset;
4253 for (i = 0; i < type_sec_size / sizeof(raw_types[0]); i++) {
4254 if (raw_types[i] == NAME_TBD) {
4255 if (CHECK(next_str_idx == strs_cnt,
4256 "Error in getting next_str #%d",
4257 next_str_idx)) {
4258 err = -1;
4259 goto done;
4260 }
4261 ret_types[i] = strs_idx[next_str_idx++] - str;
4262 } else if (IS_NAME_NTH(raw_types[i])) {
4263 int idx = GET_NAME_NTH_IDX(raw_types[i]);
4264
4265 if (CHECK(idx <= 0 || idx > strs_cnt,
4266 "Error getting string #%d, strs_cnt:%d",
4267 idx, strs_cnt)) {
4268 err = -1;
4269 goto done;
4270 }
4271 ret_types[i] = strs_idx[idx-1] - str;
4272 } else {
4273 ret_types[i] = raw_types[i];
4274 }
4275 }
4276 offset += type_sec_size;
4277
4278 /* Copy string section */
4279 memcpy(raw_btf + offset, str, str_sec_size);
4280
4281 ret_hdr = (struct btf_header *)raw_btf;
4282 ret_hdr->type_len = type_sec_size;
4283 ret_hdr->str_off = type_sec_size;
4284 ret_hdr->str_len = str_sec_size;
4285
4286 *btf_size = size_needed;
4287 if (ret_next_str)
4288 *ret_next_str =
4289 next_str_idx < strs_cnt ? strs_idx[next_str_idx] : NULL;
4290
4291done:
4292 free(strs_idx);
4293 if (err) {
4294 free(raw_btf);
4295 return NULL;
4296 }
4297 return raw_btf;
4298}
4299
4300static int load_raw_btf(const void *raw_data, size_t raw_size)
4301{
4302 LIBBPF_OPTS(bpf_btf_load_opts, opts);
4303 int btf_fd;
4304
4305 if (always_log) {
4306 opts.log_buf = btf_log_buf,
4307 opts.log_size = BTF_LOG_BUF_SIZE,
4308 opts.log_level = 1;
4309 }
4310
4311 btf_fd = bpf_btf_load(raw_data, raw_size, &opts);
4312 if (btf_fd < 0 && !always_log) {
4313 opts.log_buf = btf_log_buf,
4314 opts.log_size = BTF_LOG_BUF_SIZE,
4315 opts.log_level = 1;
4316 btf_fd = bpf_btf_load(raw_data, raw_size, &opts);
4317 }
4318
4319 return btf_fd;
4320}
4321
4322static void do_test_raw(unsigned int test_num)
4323{
4324 struct btf_raw_test *test = &raw_tests[test_num - 1];
4325 LIBBPF_OPTS(bpf_map_create_opts, opts);
4326 int map_fd = -1, btf_fd = -1;
4327 unsigned int raw_btf_size;
4328 struct btf_header *hdr;
4329 void *raw_btf;
4330 int err;
4331
4332 if (!test__start_subtest(test->descr))
4333 return;
4334
4335 raw_btf = btf_raw_create(&hdr_tmpl,
4336 test->raw_types,
4337 test->str_sec,
4338 test->str_sec_size,
4339 &raw_btf_size, NULL);
4340 if (!raw_btf)
4341 return;
4342
4343 hdr = raw_btf;
4344
4345 hdr->hdr_len = (int)hdr->hdr_len + test->hdr_len_delta;
4346 hdr->type_off = (int)hdr->type_off + test->type_off_delta;
4347 hdr->str_off = (int)hdr->str_off + test->str_off_delta;
4348 hdr->str_len = (int)hdr->str_len + test->str_len_delta;
4349
4350 *btf_log_buf = '\0';
4351 btf_fd = load_raw_btf(raw_btf, raw_btf_size);
4352 free(raw_btf);
4353
4354 err = ((btf_fd < 0) != test->btf_load_err);
4355 if (CHECK(err, "btf_fd:%d test->btf_load_err:%u",
4356 btf_fd, test->btf_load_err) ||
4357 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str),
4358 "expected err_str:%s\n", test->err_str)) {
4359 err = -1;
4360 goto done;
4361 }
4362
4363 if (err || btf_fd < 0)
4364 goto done;
4365
4366 opts.btf_fd = btf_fd;
4367 opts.btf_key_type_id = test->key_type_id;
4368 opts.btf_value_type_id = test->value_type_id;
4369 map_fd = bpf_map_create(test->map_type, test->map_name,
4370 test->key_size, test->value_size, test->max_entries, &opts);
4371
4372 err = ((map_fd < 0) != test->map_create_err);
4373 CHECK(err, "map_fd:%d test->map_create_err:%u",
4374 map_fd, test->map_create_err);
4375
4376done:
4377 if (*btf_log_buf && (err || always_log))
4378 fprintf(stderr, "\n%s", btf_log_buf);
4379 if (btf_fd >= 0)
4380 close(btf_fd);
4381 if (map_fd >= 0)
4382 close(map_fd);
4383}
4384
4385struct btf_get_info_test {
4386 const char *descr;
4387 const char *str_sec;
4388 __u32 raw_types[MAX_NR_RAW_U32];
4389 __u32 str_sec_size;
4390 int btf_size_delta;
4391 int (*special_test)(unsigned int test_num);
4392};
4393
4394static int test_big_btf_info(unsigned int test_num);
4395static int test_btf_id(unsigned int test_num);
4396
4397const struct btf_get_info_test get_info_tests[] = {
4398{
4399 .descr = "== raw_btf_size+1",
4400 .raw_types = {
4401 /* int */ /* [1] */
4402 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4403 BTF_END_RAW,
4404 },
4405 .str_sec = "",
4406 .str_sec_size = sizeof(""),
4407 .btf_size_delta = 1,
4408},
4409{
4410 .descr = "== raw_btf_size-3",
4411 .raw_types = {
4412 /* int */ /* [1] */
4413 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4414 BTF_END_RAW,
4415 },
4416 .str_sec = "",
4417 .str_sec_size = sizeof(""),
4418 .btf_size_delta = -3,
4419},
4420{
4421 .descr = "Large bpf_btf_info",
4422 .raw_types = {
4423 /* int */ /* [1] */
4424 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4425 BTF_END_RAW,
4426 },
4427 .str_sec = "",
4428 .str_sec_size = sizeof(""),
4429 .special_test = test_big_btf_info,
4430},
4431{
4432 .descr = "BTF ID",
4433 .raw_types = {
4434 /* int */ /* [1] */
4435 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4),
4436 /* unsigned int */ /* [2] */
4437 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4),
4438 BTF_END_RAW,
4439 },
4440 .str_sec = "",
4441 .str_sec_size = sizeof(""),
4442 .special_test = test_btf_id,
4443},
4444};
4445
4446static int test_big_btf_info(unsigned int test_num)
4447{
4448 const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
4449 uint8_t *raw_btf = NULL, *user_btf = NULL;
4450 unsigned int raw_btf_size;
4451 struct {
4452 struct bpf_btf_info info;
4453 uint64_t garbage;
4454 } info_garbage;
4455 struct bpf_btf_info *info;
4456 int btf_fd = -1, err;
4457 uint32_t info_len;
4458
4459 raw_btf = btf_raw_create(&hdr_tmpl,
4460 test->raw_types,
4461 test->str_sec,
4462 test->str_sec_size,
4463 &raw_btf_size, NULL);
4464
4465 if (!raw_btf)
4466 return -1;
4467
4468 *btf_log_buf = '\0';
4469
4470 user_btf = malloc(raw_btf_size);
4471 if (CHECK(!user_btf, "!user_btf")) {
4472 err = -1;
4473 goto done;
4474 }
4475
4476 btf_fd = load_raw_btf(raw_btf, raw_btf_size);
4477 if (CHECK(btf_fd < 0, "errno:%d", errno)) {
4478 err = -1;
4479 goto done;
4480 }
4481
4482 /*
4483 * GET_INFO should error out if the userspace info
4484 * has non zero tailing bytes.
4485 */
4486 info = &info_garbage.info;
4487 memset(info, 0, sizeof(*info));
4488 info_garbage.garbage = 0xdeadbeef;
4489 info_len = sizeof(info_garbage);
4490 info->btf = ptr_to_u64(user_btf);
4491 info->btf_size = raw_btf_size;
4492
4493 err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len);
4494 if (CHECK(!err, "!err")) {
4495 err = -1;
4496 goto done;
4497 }
4498
4499 /*
4500 * GET_INFO should succeed even info_len is larger than
4501 * the kernel supported as long as tailing bytes are zero.
4502 * The kernel supported info len should also be returned
4503 * to userspace.
4504 */
4505 info_garbage.garbage = 0;
4506 err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len);
4507 if (CHECK(err || info_len != sizeof(*info),
4508 "err:%d errno:%d info_len:%u sizeof(*info):%zu",
4509 err, errno, info_len, sizeof(*info))) {
4510 err = -1;
4511 goto done;
4512 }
4513
4514 fprintf(stderr, "OK");
4515
4516done:
4517 if (*btf_log_buf && (err || always_log))
4518 fprintf(stderr, "\n%s", btf_log_buf);
4519
4520 free(raw_btf);
4521 free(user_btf);
4522
4523 if (btf_fd >= 0)
4524 close(btf_fd);
4525
4526 return err;
4527}
4528
4529static int test_btf_id(unsigned int test_num)
4530{
4531 const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
4532 LIBBPF_OPTS(bpf_map_create_opts, opts);
4533 uint8_t *raw_btf = NULL, *user_btf[2] = {};
4534 int btf_fd[2] = {-1, -1}, map_fd = -1;
4535 struct bpf_map_info map_info = {};
4536 struct bpf_btf_info info[2] = {};
4537 unsigned int raw_btf_size;
4538 uint32_t info_len;
4539 int err, i, ret;
4540
4541 raw_btf = btf_raw_create(&hdr_tmpl,
4542 test->raw_types,
4543 test->str_sec,
4544 test->str_sec_size,
4545 &raw_btf_size, NULL);
4546
4547 if (!raw_btf)
4548 return -1;
4549
4550 *btf_log_buf = '\0';
4551
4552 for (i = 0; i < 2; i++) {
4553 user_btf[i] = malloc(raw_btf_size);
4554 if (CHECK(!user_btf[i], "!user_btf[%d]", i)) {
4555 err = -1;
4556 goto done;
4557 }
4558 info[i].btf = ptr_to_u64(user_btf[i]);
4559 info[i].btf_size = raw_btf_size;
4560 }
4561
4562 btf_fd[0] = load_raw_btf(raw_btf, raw_btf_size);
4563 if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) {
4564 err = -1;
4565 goto done;
4566 }
4567
4568 /* Test BPF_OBJ_GET_INFO_BY_ID on btf_id */
4569 info_len = sizeof(info[0]);
4570 err = bpf_btf_get_info_by_fd(btf_fd[0], &info[0], &info_len);
4571 if (CHECK(err, "errno:%d", errno)) {
4572 err = -1;
4573 goto done;
4574 }
4575
4576 btf_fd[1] = bpf_btf_get_fd_by_id(info[0].id);
4577 if (CHECK(btf_fd[1] < 0, "errno:%d", errno)) {
4578 err = -1;
4579 goto done;
4580 }
4581
4582 ret = 0;
4583 err = bpf_btf_get_info_by_fd(btf_fd[1], &info[1], &info_len);
4584 if (CHECK(err || info[0].id != info[1].id ||
4585 info[0].btf_size != info[1].btf_size ||
4586 (ret = memcmp(user_btf[0], user_btf[1], info[0].btf_size)),
4587 "err:%d errno:%d id0:%u id1:%u btf_size0:%u btf_size1:%u memcmp:%d",
4588 err, errno, info[0].id, info[1].id,
4589 info[0].btf_size, info[1].btf_size, ret)) {
4590 err = -1;
4591 goto done;
4592 }
4593
4594 /* Test btf members in struct bpf_map_info */
4595 opts.btf_fd = btf_fd[0];
4596 opts.btf_key_type_id = 1;
4597 opts.btf_value_type_id = 2;
4598 map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_btf_id",
4599 sizeof(int), sizeof(int), 4, &opts);
4600 if (CHECK(map_fd < 0, "errno:%d", errno)) {
4601 err = -1;
4602 goto done;
4603 }
4604
4605 info_len = sizeof(map_info);
4606 err = bpf_map_get_info_by_fd(map_fd, &map_info, &info_len);
4607 if (CHECK(err || map_info.btf_id != info[0].id ||
4608 map_info.btf_key_type_id != 1 || map_info.btf_value_type_id != 2,
4609 "err:%d errno:%d info.id:%u btf_id:%u btf_key_type_id:%u btf_value_type_id:%u",
4610 err, errno, info[0].id, map_info.btf_id, map_info.btf_key_type_id,
4611 map_info.btf_value_type_id)) {
4612 err = -1;
4613 goto done;
4614 }
4615
4616 for (i = 0; i < 2; i++) {
4617 close(btf_fd[i]);
4618 btf_fd[i] = -1;
4619 }
4620
4621 /* Test BTF ID is removed from the kernel */
4622 btf_fd[0] = bpf_btf_get_fd_by_id(map_info.btf_id);
4623 if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) {
4624 err = -1;
4625 goto done;
4626 }
4627 close(btf_fd[0]);
4628 btf_fd[0] = -1;
4629
4630 /* The map holds the last ref to BTF and its btf_id */
4631 close(map_fd);
4632 map_fd = -1;
4633
4634 fprintf(stderr, "OK");
4635
4636done:
4637 if (*btf_log_buf && (err || always_log))
4638 fprintf(stderr, "\n%s", btf_log_buf);
4639
4640 free(raw_btf);
4641 if (map_fd >= 0)
4642 close(map_fd);
4643 for (i = 0; i < 2; i++) {
4644 free(user_btf[i]);
4645 if (btf_fd[i] >= 0)
4646 close(btf_fd[i]);
4647 }
4648
4649 return err;
4650}
4651
4652static void do_test_get_info(unsigned int test_num)
4653{
4654 const struct btf_get_info_test *test = &get_info_tests[test_num - 1];
4655 unsigned int raw_btf_size, user_btf_size, expected_nbytes;
4656 uint8_t *raw_btf = NULL, *user_btf = NULL;
4657 struct bpf_btf_info info = {};
4658 int btf_fd = -1, err, ret;
4659 uint32_t info_len;
4660
4661 if (!test__start_subtest(test->descr))
4662 return;
4663
4664 if (test->special_test) {
4665 err = test->special_test(test_num);
4666 if (CHECK(err, "failed: %d\n", err))
4667 return;
4668 }
4669
4670 raw_btf = btf_raw_create(&hdr_tmpl,
4671 test->raw_types,
4672 test->str_sec,
4673 test->str_sec_size,
4674 &raw_btf_size, NULL);
4675
4676 if (!raw_btf)
4677 return;
4678
4679 *btf_log_buf = '\0';
4680
4681 user_btf = malloc(raw_btf_size);
4682 if (CHECK(!user_btf, "!user_btf")) {
4683 err = -1;
4684 goto done;
4685 }
4686
4687 btf_fd = load_raw_btf(raw_btf, raw_btf_size);
4688 if (CHECK(btf_fd <= 0, "errno:%d", errno)) {
4689 err = -1;
4690 goto done;
4691 }
4692
4693 user_btf_size = (int)raw_btf_size + test->btf_size_delta;
4694 expected_nbytes = min(raw_btf_size, user_btf_size);
4695 if (raw_btf_size > expected_nbytes)
4696 memset(user_btf + expected_nbytes, 0xff,
4697 raw_btf_size - expected_nbytes);
4698
4699 info_len = sizeof(info);
4700 info.btf = ptr_to_u64(user_btf);
4701 info.btf_size = user_btf_size;
4702
4703 ret = 0;
4704 err = bpf_btf_get_info_by_fd(btf_fd, &info, &info_len);
4705 if (CHECK(err || !info.id || info_len != sizeof(info) ||
4706 info.btf_size != raw_btf_size ||
4707 (ret = memcmp(raw_btf, user_btf, expected_nbytes)),
4708 "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",
4709 err, errno, info.id, info_len, sizeof(info),
4710 raw_btf_size, info.btf_size, expected_nbytes, ret)) {
4711 err = -1;
4712 goto done;
4713 }
4714
4715 while (expected_nbytes < raw_btf_size) {
4716 fprintf(stderr, "%u...", expected_nbytes);
4717 if (CHECK(user_btf[expected_nbytes++] != 0xff,
4718 "user_btf[%u]:%x != 0xff", expected_nbytes - 1,
4719 user_btf[expected_nbytes - 1])) {
4720 err = -1;
4721 goto done;
4722 }
4723 }
4724
4725 fprintf(stderr, "OK");
4726
4727done:
4728 if (*btf_log_buf && (err || always_log))
4729 fprintf(stderr, "\n%s", btf_log_buf);
4730
4731 free(raw_btf);
4732 free(user_btf);
4733
4734 if (btf_fd >= 0)
4735 close(btf_fd);
4736}
4737
4738struct btf_file_test {
4739 const char *file;
4740 bool btf_kv_notfound;
4741};
4742
4743static struct btf_file_test file_tests[] = {
4744 { .file = "test_btf_newkv.bpf.o", },
4745 { .file = "test_btf_nokv.bpf.o", .btf_kv_notfound = true, },
4746};
4747
4748static void do_test_file(unsigned int test_num)
4749{
4750 const struct btf_file_test *test = &file_tests[test_num - 1];
4751 const char *expected_fnames[] = {"_dummy_tracepoint",
4752 "test_long_fname_1",
4753 "test_long_fname_2"};
4754 struct btf_ext *btf_ext = NULL;
4755 struct bpf_prog_info info = {};
4756 struct bpf_object *obj = NULL;
4757 struct bpf_func_info *finfo;
4758 struct bpf_program *prog;
4759 __u32 info_len, rec_size;
4760 bool has_btf_ext = false;
4761 struct btf *btf = NULL;
4762 void *func_info = NULL;
4763 struct bpf_map *map;
4764 int i, err, prog_fd;
4765
4766 if (!test__start_subtest(test->file))
4767 return;
4768
4769 btf = btf__parse_elf(test->file, &btf_ext);
4770 err = libbpf_get_error(btf);
4771 if (err) {
4772 if (err == -ENOENT) {
4773 printf("%s:SKIP: No ELF %s found", __func__, BTF_ELF_SEC);
4774 test__skip();
4775 return;
4776 }
4777 return;
4778 }
4779 btf__free(btf);
4780
4781 has_btf_ext = btf_ext != NULL;
4782 btf_ext__free(btf_ext);
4783
4784 /* temporary disable LIBBPF_STRICT_MAP_DEFINITIONS to test legacy maps */
4785 libbpf_set_strict_mode(LIBBPF_STRICT_ALL & ~LIBBPF_STRICT_MAP_DEFINITIONS);
4786 obj = bpf_object__open(test->file);
4787 err = libbpf_get_error(obj);
4788 if (CHECK(err, "obj: %d", err))
4789 return;
4790
4791 prog = bpf_object__next_program(obj, NULL);
4792 if (CHECK(!prog, "Cannot find bpf_prog")) {
4793 err = -1;
4794 goto done;
4795 }
4796
4797 bpf_program__set_type(prog, BPF_PROG_TYPE_TRACEPOINT);
4798 err = bpf_object__load(obj);
4799 if (CHECK(err < 0, "bpf_object__load: %d", err))
4800 goto done;
4801 prog_fd = bpf_program__fd(prog);
4802
4803 map = bpf_object__find_map_by_name(obj, "btf_map");
4804 if (CHECK(!map, "btf_map not found")) {
4805 err = -1;
4806 goto done;
4807 }
4808
4809 err = (bpf_map__btf_key_type_id(map) == 0 || bpf_map__btf_value_type_id(map) == 0)
4810 != test->btf_kv_notfound;
4811 if (CHECK(err, "btf_key_type_id:%u btf_value_type_id:%u test->btf_kv_notfound:%u",
4812 bpf_map__btf_key_type_id(map), bpf_map__btf_value_type_id(map),
4813 test->btf_kv_notfound))
4814 goto done;
4815
4816 if (!has_btf_ext)
4817 goto skip;
4818
4819 /* get necessary program info */
4820 info_len = sizeof(struct bpf_prog_info);
4821 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
4822
4823 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) {
4824 fprintf(stderr, "%s\n", btf_log_buf);
4825 err = -1;
4826 goto done;
4827 }
4828 if (CHECK(info.nr_func_info != 3,
4829 "incorrect info.nr_func_info (1st) %d",
4830 info.nr_func_info)) {
4831 err = -1;
4832 goto done;
4833 }
4834 rec_size = info.func_info_rec_size;
4835 if (CHECK(rec_size != sizeof(struct bpf_func_info),
4836 "incorrect info.func_info_rec_size (1st) %d\n", rec_size)) {
4837 err = -1;
4838 goto done;
4839 }
4840
4841 func_info = malloc(info.nr_func_info * rec_size);
4842 if (CHECK(!func_info, "out of memory")) {
4843 err = -1;
4844 goto done;
4845 }
4846
4847 /* reset info to only retrieve func_info related data */
4848 memset(&info, 0, sizeof(info));
4849 info.nr_func_info = 3;
4850 info.func_info_rec_size = rec_size;
4851 info.func_info = ptr_to_u64(func_info);
4852
4853 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
4854
4855 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) {
4856 fprintf(stderr, "%s\n", btf_log_buf);
4857 err = -1;
4858 goto done;
4859 }
4860 if (CHECK(info.nr_func_info != 3,
4861 "incorrect info.nr_func_info (2nd) %d",
4862 info.nr_func_info)) {
4863 err = -1;
4864 goto done;
4865 }
4866 if (CHECK(info.func_info_rec_size != rec_size,
4867 "incorrect info.func_info_rec_size (2nd) %d",
4868 info.func_info_rec_size)) {
4869 err = -1;
4870 goto done;
4871 }
4872
4873 btf = btf__load_from_kernel_by_id(info.btf_id);
4874 err = libbpf_get_error(btf);
4875 if (CHECK(err, "cannot get btf from kernel, err: %d", err))
4876 goto done;
4877
4878 /* check three functions */
4879 finfo = func_info;
4880 for (i = 0; i < 3; i++) {
4881 const struct btf_type *t;
4882 const char *fname;
4883
4884 t = btf__type_by_id(btf, finfo->type_id);
4885 if (CHECK(!t, "btf__type_by_id failure: id %u",
4886 finfo->type_id)) {
4887 err = -1;
4888 goto done;
4889 }
4890
4891 fname = btf__name_by_offset(btf, t->name_off);
4892 err = strcmp(fname, expected_fnames[i]);
4893 /* for the second and third functions in .text section,
4894 * the compiler may order them either way.
4895 */
4896 if (i && err)
4897 err = strcmp(fname, expected_fnames[3 - i]);
4898 if (CHECK(err, "incorrect fname %s", fname ? : "")) {
4899 err = -1;
4900 goto done;
4901 }
4902
4903 finfo = (void *)finfo + rec_size;
4904 }
4905
4906skip:
4907 fprintf(stderr, "OK");
4908
4909done:
4910 libbpf_set_strict_mode(LIBBPF_STRICT_ALL);
4911
4912 btf__free(btf);
4913 free(func_info);
4914 bpf_object__close(obj);
4915}
4916
4917const char *pprint_enum_str[] = {
4918 "ENUM_ZERO",
4919 "ENUM_ONE",
4920 "ENUM_TWO",
4921 "ENUM_THREE",
4922};
4923
4924struct pprint_mapv {
4925 uint32_t ui32;
4926 uint16_t ui16;
4927 /* 2 bytes hole */
4928 int32_t si32;
4929 uint32_t unused_bits2a:2,
4930 bits28:28,
4931 unused_bits2b:2;
4932 union {
4933 uint64_t ui64;
4934 uint8_t ui8a[8];
4935 };
4936 enum {
4937 ENUM_ZERO,
4938 ENUM_ONE,
4939 ENUM_TWO,
4940 ENUM_THREE,
4941 } aenum;
4942 uint32_t ui32b;
4943 uint32_t bits2c:2;
4944 uint8_t si8_4[2][2];
4945};
4946
4947#ifdef __SIZEOF_INT128__
4948struct pprint_mapv_int128 {
4949 __int128 si128a;
4950 __int128 si128b;
4951 unsigned __int128 bits3:3;
4952 unsigned __int128 bits80:80;
4953 unsigned __int128 ui128;
4954};
4955#endif
4956
4957static struct btf_raw_test pprint_test_template[] = {
4958{
4959 .raw_types = {
4960 /* unsighed char */ /* [1] */
4961 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
4962 /* unsigned short */ /* [2] */
4963 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
4964 /* unsigned int */ /* [3] */
4965 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
4966 /* int */ /* [4] */
4967 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
4968 /* unsigned long long */ /* [5] */
4969 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
4970 /* 2 bits */ /* [6] */
4971 BTF_TYPE_INT_ENC(0, 0, 0, 2, 2),
4972 /* 28 bits */ /* [7] */
4973 BTF_TYPE_INT_ENC(0, 0, 0, 28, 4),
4974 /* uint8_t[8] */ /* [8] */
4975 BTF_TYPE_ARRAY_ENC(9, 1, 8),
4976 /* typedef unsigned char uint8_t */ /* [9] */
4977 BTF_TYPEDEF_ENC(NAME_TBD, 1),
4978 /* typedef unsigned short uint16_t */ /* [10] */
4979 BTF_TYPEDEF_ENC(NAME_TBD, 2),
4980 /* typedef unsigned int uint32_t */ /* [11] */
4981 BTF_TYPEDEF_ENC(NAME_TBD, 3),
4982 /* typedef int int32_t */ /* [12] */
4983 BTF_TYPEDEF_ENC(NAME_TBD, 4),
4984 /* typedef unsigned long long uint64_t *//* [13] */
4985 BTF_TYPEDEF_ENC(NAME_TBD, 5),
4986 /* union (anon) */ /* [14] */
4987 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
4988 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
4989 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */
4990 /* enum (anon) */ /* [15] */
4991 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
4992 BTF_ENUM_ENC(NAME_TBD, 0),
4993 BTF_ENUM_ENC(NAME_TBD, 1),
4994 BTF_ENUM_ENC(NAME_TBD, 2),
4995 BTF_ENUM_ENC(NAME_TBD, 3),
4996 /* struct pprint_mapv */ /* [16] */
4997 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 11), 40),
4998 BTF_MEMBER_ENC(NAME_TBD, 11, 0), /* uint32_t ui32 */
4999 BTF_MEMBER_ENC(NAME_TBD, 10, 32), /* uint16_t ui16 */
5000 BTF_MEMBER_ENC(NAME_TBD, 12, 64), /* int32_t si32 */
5001 BTF_MEMBER_ENC(NAME_TBD, 6, 96), /* unused_bits2a */
5002 BTF_MEMBER_ENC(NAME_TBD, 7, 98), /* bits28 */
5003 BTF_MEMBER_ENC(NAME_TBD, 6, 126), /* unused_bits2b */
5004 BTF_MEMBER_ENC(0, 14, 128), /* union (anon) */
5005 BTF_MEMBER_ENC(NAME_TBD, 15, 192), /* aenum */
5006 BTF_MEMBER_ENC(NAME_TBD, 11, 224), /* uint32_t ui32b */
5007 BTF_MEMBER_ENC(NAME_TBD, 6, 256), /* bits2c */
5008 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */
5009 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */
5010 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */
5011 BTF_END_RAW,
5012 },
5013 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"),
5014 .key_size = sizeof(unsigned int),
5015 .value_size = sizeof(struct pprint_mapv),
5016 .key_type_id = 3, /* unsigned int */
5017 .value_type_id = 16, /* struct pprint_mapv */
5018 .max_entries = 128,
5019},
5020
5021{
5022 /* this type will have the same type as the
5023 * first .raw_types definition, but struct type will
5024 * be encoded with kind_flag set.
5025 */
5026 .raw_types = {
5027 /* unsighed char */ /* [1] */
5028 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
5029 /* unsigned short */ /* [2] */
5030 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
5031 /* unsigned int */ /* [3] */
5032 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
5033 /* int */ /* [4] */
5034 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
5035 /* unsigned long long */ /* [5] */
5036 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
5037 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */
5038 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */
5039 /* uint8_t[8] */ /* [8] */
5040 BTF_TYPE_ARRAY_ENC(9, 1, 8),
5041 /* typedef unsigned char uint8_t */ /* [9] */
5042 BTF_TYPEDEF_ENC(NAME_TBD, 1),
5043 /* typedef unsigned short uint16_t */ /* [10] */
5044 BTF_TYPEDEF_ENC(NAME_TBD, 2),
5045 /* typedef unsigned int uint32_t */ /* [11] */
5046 BTF_TYPEDEF_ENC(NAME_TBD, 3),
5047 /* typedef int int32_t */ /* [12] */
5048 BTF_TYPEDEF_ENC(NAME_TBD, 4),
5049 /* typedef unsigned long long uint64_t *//* [13] */
5050 BTF_TYPEDEF_ENC(NAME_TBD, 5),
5051 /* union (anon) */ /* [14] */
5052 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
5053 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
5054 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */
5055 /* enum (anon) */ /* [15] */
5056 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
5057 BTF_ENUM_ENC(NAME_TBD, 0),
5058 BTF_ENUM_ENC(NAME_TBD, 1),
5059 BTF_ENUM_ENC(NAME_TBD, 2),
5060 BTF_ENUM_ENC(NAME_TBD, 3),
5061 /* struct pprint_mapv */ /* [16] */
5062 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40),
5063 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */
5064 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */
5065 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */
5066 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */
5067 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */
5068 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 126)), /* unused_bits2b */
5069 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */
5070 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */
5071 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */
5072 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */
5073 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */
5074 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */
5075 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */
5076 BTF_END_RAW,
5077 },
5078 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"),
5079 .key_size = sizeof(unsigned int),
5080 .value_size = sizeof(struct pprint_mapv),
5081 .key_type_id = 3, /* unsigned int */
5082 .value_type_id = 16, /* struct pprint_mapv */
5083 .max_entries = 128,
5084},
5085
5086{
5087 /* this type will have the same layout as the
5088 * first .raw_types definition. The struct type will
5089 * be encoded with kind_flag set, bitfield members
5090 * are added typedef/const/volatile, and bitfield members
5091 * will have both int and enum types.
5092 */
5093 .raw_types = {
5094 /* unsighed char */ /* [1] */
5095 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1),
5096 /* unsigned short */ /* [2] */
5097 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2),
5098 /* unsigned int */ /* [3] */
5099 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
5100 /* int */ /* [4] */
5101 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4),
5102 /* unsigned long long */ /* [5] */
5103 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8),
5104 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */
5105 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */
5106 /* uint8_t[8] */ /* [8] */
5107 BTF_TYPE_ARRAY_ENC(9, 1, 8),
5108 /* typedef unsigned char uint8_t */ /* [9] */
5109 BTF_TYPEDEF_ENC(NAME_TBD, 1),
5110 /* typedef unsigned short uint16_t */ /* [10] */
5111 BTF_TYPEDEF_ENC(NAME_TBD, 2),
5112 /* typedef unsigned int uint32_t */ /* [11] */
5113 BTF_TYPEDEF_ENC(NAME_TBD, 3),
5114 /* typedef int int32_t */ /* [12] */
5115 BTF_TYPEDEF_ENC(NAME_TBD, 4),
5116 /* typedef unsigned long long uint64_t *//* [13] */
5117 BTF_TYPEDEF_ENC(NAME_TBD, 5),
5118 /* union (anon) */ /* [14] */
5119 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8),
5120 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */
5121 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */
5122 /* enum (anon) */ /* [15] */
5123 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4),
5124 BTF_ENUM_ENC(NAME_TBD, 0),
5125 BTF_ENUM_ENC(NAME_TBD, 1),
5126 BTF_ENUM_ENC(NAME_TBD, 2),
5127 BTF_ENUM_ENC(NAME_TBD, 3),
5128 /* struct pprint_mapv */ /* [16] */
5129 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40),
5130 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */
5131 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */
5132 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */
5133 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */
5134 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */
5135 BTF_MEMBER_ENC(NAME_TBD, 19, BTF_MEMBER_OFFSET(2, 126)),/* unused_bits2b */
5136 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */
5137 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */
5138 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */
5139 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */
5140 BTF_MEMBER_ENC(NAME_TBD, 20, BTF_MEMBER_OFFSET(0, 264)), /* si8_4 */
5141 /* typedef unsigned int ___int */ /* [17] */
5142 BTF_TYPEDEF_ENC(NAME_TBD, 18),
5143 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 6), /* [18] */
5144 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 15), /* [19] */
5145 BTF_TYPE_ARRAY_ENC(21, 1, 2), /* [20] */
5146 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [21] */
5147 BTF_END_RAW,
5148 },
5149 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"),
5150 .key_size = sizeof(unsigned int),
5151 .value_size = sizeof(struct pprint_mapv),
5152 .key_type_id = 3, /* unsigned int */
5153 .value_type_id = 16, /* struct pprint_mapv */
5154 .max_entries = 128,
5155},
5156
5157#ifdef __SIZEOF_INT128__
5158{
5159 /* test int128 */
5160 .raw_types = {
5161 /* unsigned int */ /* [1] */
5162 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4),
5163 /* __int128 */ /* [2] */
5164 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 128, 16),
5165 /* unsigned __int128 */ /* [3] */
5166 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 128, 16),
5167 /* struct pprint_mapv_int128 */ /* [4] */
5168 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 5), 64),
5169 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), /* si128a */
5170 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 128)), /* si128b */
5171 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(3, 256)), /* bits3 */
5172 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(80, 259)), /* bits80 */
5173 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(0, 384)), /* ui128 */
5174 BTF_END_RAW,
5175 },
5176 BTF_STR_SEC("\0unsigned int\0__int128\0unsigned __int128\0pprint_mapv_int128\0si128a\0si128b\0bits3\0bits80\0ui128"),
5177 .key_size = sizeof(unsigned int),
5178 .value_size = sizeof(struct pprint_mapv_int128),
5179 .key_type_id = 1,
5180 .value_type_id = 4,
5181 .max_entries = 128,
5182 .mapv_kind = PPRINT_MAPV_KIND_INT128,
5183},
5184#endif
5185
5186};
5187
5188static struct btf_pprint_test_meta {
5189 const char *descr;
5190 enum bpf_map_type map_type;
5191 const char *map_name;
5192 bool ordered_map;
5193 bool lossless_map;
5194 bool percpu_map;
5195} pprint_tests_meta[] = {
5196{
5197 .descr = "BTF pretty print array",
5198 .map_type = BPF_MAP_TYPE_ARRAY,
5199 .map_name = "pprint_test_array",
5200 .ordered_map = true,
5201 .lossless_map = true,
5202 .percpu_map = false,
5203},
5204
5205{
5206 .descr = "BTF pretty print hash",
5207 .map_type = BPF_MAP_TYPE_HASH,
5208 .map_name = "pprint_test_hash",
5209 .ordered_map = false,
5210 .lossless_map = true,
5211 .percpu_map = false,
5212},
5213
5214{
5215 .descr = "BTF pretty print lru hash",
5216 .map_type = BPF_MAP_TYPE_LRU_HASH,
5217 .map_name = "pprint_test_lru_hash",
5218 .ordered_map = false,
5219 .lossless_map = false,
5220 .percpu_map = false,
5221},
5222
5223{
5224 .descr = "BTF pretty print percpu array",
5225 .map_type = BPF_MAP_TYPE_PERCPU_ARRAY,
5226 .map_name = "pprint_test_percpu_array",
5227 .ordered_map = true,
5228 .lossless_map = true,
5229 .percpu_map = true,
5230},
5231
5232{
5233 .descr = "BTF pretty print percpu hash",
5234 .map_type = BPF_MAP_TYPE_PERCPU_HASH,
5235 .map_name = "pprint_test_percpu_hash",
5236 .ordered_map = false,
5237 .lossless_map = true,
5238 .percpu_map = true,
5239},
5240
5241{
5242 .descr = "BTF pretty print lru percpu hash",
5243 .map_type = BPF_MAP_TYPE_LRU_PERCPU_HASH,
5244 .map_name = "pprint_test_lru_percpu_hash",
5245 .ordered_map = false,
5246 .lossless_map = false,
5247 .percpu_map = true,
5248},
5249
5250};
5251
5252static size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind)
5253{
5254 if (mapv_kind == PPRINT_MAPV_KIND_BASIC)
5255 return sizeof(struct pprint_mapv);
5256
5257#ifdef __SIZEOF_INT128__
5258 if (mapv_kind == PPRINT_MAPV_KIND_INT128)
5259 return sizeof(struct pprint_mapv_int128);
5260#endif
5261
5262 assert(0);
5263 return 0;
5264}
5265
5266static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind,
5267 void *mapv, uint32_t i,
5268 int num_cpus, int rounded_value_size)
5269{
5270 int cpu;
5271
5272 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
5273 struct pprint_mapv *v = mapv;
5274
5275 for (cpu = 0; cpu < num_cpus; cpu++) {
5276 v->ui32 = i + cpu;
5277 v->si32 = -i;
5278 v->unused_bits2a = 3;
5279 v->bits28 = i;
5280 v->unused_bits2b = 3;
5281 v->ui64 = i;
5282 v->aenum = i & 0x03;
5283 v->ui32b = 4;
5284 v->bits2c = 1;
5285 v->si8_4[0][0] = (cpu + i) & 0xff;
5286 v->si8_4[0][1] = (cpu + i + 1) & 0xff;
5287 v->si8_4[1][0] = (cpu + i + 2) & 0xff;
5288 v->si8_4[1][1] = (cpu + i + 3) & 0xff;
5289 v = (void *)v + rounded_value_size;
5290 }
5291 }
5292
5293#ifdef __SIZEOF_INT128__
5294 if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
5295 struct pprint_mapv_int128 *v = mapv;
5296
5297 for (cpu = 0; cpu < num_cpus; cpu++) {
5298 v->si128a = i;
5299 v->si128b = -i;
5300 v->bits3 = i & 0x07;
5301 v->bits80 = (((unsigned __int128)1) << 64) + i;
5302 v->ui128 = (((unsigned __int128)2) << 64) + i;
5303 v = (void *)v + rounded_value_size;
5304 }
5305 }
5306#endif
5307}
5308
5309ssize_t get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind,
5310 char *expected_line, ssize_t line_size,
5311 bool percpu_map, unsigned int next_key,
5312 int cpu, void *mapv)
5313{
5314 ssize_t nexpected_line = -1;
5315
5316 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) {
5317 struct pprint_mapv *v = mapv;
5318
5319 nexpected_line = snprintf(expected_line, line_size,
5320 "%s%u: {%u,0,%d,0x%x,0x%x,0x%x,"
5321 "{%llu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s,"
5322 "%u,0x%x,[[%d,%d],[%d,%d]]}\n",
5323 percpu_map ? "\tcpu" : "",
5324 percpu_map ? cpu : next_key,
5325 v->ui32, v->si32,
5326 v->unused_bits2a,
5327 v->bits28,
5328 v->unused_bits2b,
5329 (__u64)v->ui64,
5330 v->ui8a[0], v->ui8a[1],
5331 v->ui8a[2], v->ui8a[3],
5332 v->ui8a[4], v->ui8a[5],
5333 v->ui8a[6], v->ui8a[7],
5334 pprint_enum_str[v->aenum],
5335 v->ui32b,
5336 v->bits2c,
5337 v->si8_4[0][0], v->si8_4[0][1],
5338 v->si8_4[1][0], v->si8_4[1][1]);
5339 }
5340
5341#ifdef __SIZEOF_INT128__
5342 if (mapv_kind == PPRINT_MAPV_KIND_INT128) {
5343 struct pprint_mapv_int128 *v = mapv;
5344
5345 nexpected_line = snprintf(expected_line, line_size,
5346 "%s%u: {0x%lx,0x%lx,0x%lx,"
5347 "0x%lx%016lx,0x%lx%016lx}\n",
5348 percpu_map ? "\tcpu" : "",
5349 percpu_map ? cpu : next_key,
5350 (uint64_t)v->si128a,
5351 (uint64_t)v->si128b,
5352 (uint64_t)v->bits3,
5353 (uint64_t)(v->bits80 >> 64),
5354 (uint64_t)v->bits80,
5355 (uint64_t)(v->ui128 >> 64),
5356 (uint64_t)v->ui128);
5357 }
5358#endif
5359
5360 return nexpected_line;
5361}
5362
5363static int check_line(const char *expected_line, int nexpected_line,
5364 int expected_line_len, const char *line)
5365{
5366 if (CHECK(nexpected_line == expected_line_len,
5367 "expected_line is too long"))
5368 return -1;
5369
5370 if (strcmp(expected_line, line)) {
5371 fprintf(stderr, "unexpected pprint output\n");
5372 fprintf(stderr, "expected: %s", expected_line);
5373 fprintf(stderr, " read: %s", line);
5374 return -1;
5375 }
5376
5377 return 0;
5378}
5379
5380
5381static void do_test_pprint(int test_num)
5382{
5383 const struct btf_raw_test *test = &pprint_test_template[test_num];
5384 enum pprint_mapv_kind_t mapv_kind = test->mapv_kind;
5385 LIBBPF_OPTS(bpf_map_create_opts, opts);
5386 bool ordered_map, lossless_map, percpu_map;
5387 int err, ret, num_cpus, rounded_value_size;
5388 unsigned int key, nr_read_elems;
5389 int map_fd = -1, btf_fd = -1;
5390 unsigned int raw_btf_size;
5391 char expected_line[255];
5392 FILE *pin_file = NULL;
5393 char pin_path[255];
5394 size_t line_len = 0;
5395 char *line = NULL;
5396 void *mapv = NULL;
5397 uint8_t *raw_btf;
5398 ssize_t nread;
5399
5400 if (!test__start_subtest(test->descr))
5401 return;
5402
5403 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types,
5404 test->str_sec, test->str_sec_size,
5405 &raw_btf_size, NULL);
5406
5407 if (!raw_btf)
5408 return;
5409
5410 *btf_log_buf = '\0';
5411 btf_fd = load_raw_btf(raw_btf, raw_btf_size);
5412 free(raw_btf);
5413
5414 if (CHECK(btf_fd < 0, "errno:%d\n", errno)) {
5415 err = -1;
5416 goto done;
5417 }
5418
5419 opts.btf_fd = btf_fd;
5420 opts.btf_key_type_id = test->key_type_id;
5421 opts.btf_value_type_id = test->value_type_id;
5422 map_fd = bpf_map_create(test->map_type, test->map_name,
5423 test->key_size, test->value_size, test->max_entries, &opts);
5424 if (CHECK(map_fd < 0, "errno:%d", errno)) {
5425 err = -1;
5426 goto done;
5427 }
5428
5429 ret = snprintf(pin_path, sizeof(pin_path), "%s/%s",
5430 "/sys/fs/bpf", test->map_name);
5431
5432 if (CHECK(ret >= sizeof(pin_path), "pin_path %s/%s is too long",
5433 "/sys/fs/bpf", test->map_name)) {
5434 err = -1;
5435 goto done;
5436 }
5437
5438 err = bpf_obj_pin(map_fd, pin_path);
5439 if (CHECK(err, "bpf_obj_pin(%s): errno:%d.", pin_path, errno))
5440 goto done;
5441
5442 percpu_map = test->percpu_map;
5443 num_cpus = percpu_map ? bpf_num_possible_cpus() : 1;
5444 rounded_value_size = round_up(get_pprint_mapv_size(mapv_kind), 8);
5445 mapv = calloc(num_cpus, rounded_value_size);
5446 if (CHECK(!mapv, "mapv allocation failure")) {
5447 err = -1;
5448 goto done;
5449 }
5450
5451 for (key = 0; key < test->max_entries; key++) {
5452 set_pprint_mapv(mapv_kind, mapv, key, num_cpus, rounded_value_size);
5453 bpf_map_update_elem(map_fd, &key, mapv, 0);
5454 }
5455
5456 pin_file = fopen(pin_path, "r");
5457 if (CHECK(!pin_file, "fopen(%s): errno:%d", pin_path, errno)) {
5458 err = -1;
5459 goto done;
5460 }
5461
5462 /* Skip lines start with '#' */
5463 while ((nread = getline(&line, &line_len, pin_file)) > 0 &&
5464 *line == '#')
5465 ;
5466
5467 if (CHECK(nread <= 0, "Unexpected EOF")) {
5468 err = -1;
5469 goto done;
5470 }
5471
5472 nr_read_elems = 0;
5473 ordered_map = test->ordered_map;
5474 lossless_map = test->lossless_map;
5475 do {
5476 ssize_t nexpected_line;
5477 unsigned int next_key;
5478 void *cmapv;
5479 int cpu;
5480
5481 next_key = ordered_map ? nr_read_elems : atoi(line);
5482 set_pprint_mapv(mapv_kind, mapv, next_key, num_cpus, rounded_value_size);
5483 cmapv = mapv;
5484
5485 for (cpu = 0; cpu < num_cpus; cpu++) {
5486 if (percpu_map) {
5487 /* for percpu map, the format looks like:
5488 * <key>: {
5489 * cpu0: <value_on_cpu0>
5490 * cpu1: <value_on_cpu1>
5491 * ...
5492 * cpun: <value_on_cpun>
5493 * }
5494 *
5495 * let us verify the line containing the key here.
5496 */
5497 if (cpu == 0) {
5498 nexpected_line = snprintf(expected_line,
5499 sizeof(expected_line),
5500 "%u: {\n",
5501 next_key);
5502
5503 err = check_line(expected_line, nexpected_line,
5504 sizeof(expected_line), line);
5505 if (err < 0)
5506 goto done;
5507 }
5508
5509 /* read value@cpu */
5510 nread = getline(&line, &line_len, pin_file);
5511 if (nread < 0)
5512 break;
5513 }
5514
5515 nexpected_line = get_pprint_expected_line(mapv_kind, expected_line,
5516 sizeof(expected_line),
5517 percpu_map, next_key,
5518 cpu, cmapv);
5519 err = check_line(expected_line, nexpected_line,
5520 sizeof(expected_line), line);
5521 if (err < 0)
5522 goto done;
5523
5524 cmapv = cmapv + rounded_value_size;
5525 }
5526
5527 if (percpu_map) {
5528 /* skip the last bracket for the percpu map */
5529 nread = getline(&line, &line_len, pin_file);
5530 if (nread < 0)
5531 break;
5532 }
5533
5534 nread = getline(&line, &line_len, pin_file);
5535 } while (++nr_read_elems < test->max_entries && nread > 0);
5536
5537 if (lossless_map &&
5538 CHECK(nr_read_elems < test->max_entries,
5539 "Unexpected EOF. nr_read_elems:%u test->max_entries:%u",
5540 nr_read_elems, test->max_entries)) {
5541 err = -1;
5542 goto done;
5543 }
5544
5545 if (CHECK(nread > 0, "Unexpected extra pprint output: %s", line)) {
5546 err = -1;
5547 goto done;
5548 }
5549
5550 err = 0;
5551
5552done:
5553 if (mapv)
5554 free(mapv);
5555 if (!err)
5556 fprintf(stderr, "OK");
5557 if (*btf_log_buf && (err || always_log))
5558 fprintf(stderr, "\n%s", btf_log_buf);
5559 if (btf_fd >= 0)
5560 close(btf_fd);
5561 if (map_fd >= 0)
5562 close(map_fd);
5563 if (pin_file)
5564 fclose(pin_file);
5565 unlink(pin_path);
5566 free(line);
5567}
5568
5569static void test_pprint(void)
5570{
5571 unsigned int i;
5572
5573 /* test various maps with the first test template */
5574 for (i = 0; i < ARRAY_SIZE(pprint_tests_meta); i++) {
5575 pprint_test_template[0].descr = pprint_tests_meta[i].descr;
5576 pprint_test_template[0].map_type = pprint_tests_meta[i].map_type;
5577 pprint_test_template[0].map_name = pprint_tests_meta[i].map_name;
5578 pprint_test_template[0].ordered_map = pprint_tests_meta[i].ordered_map;
5579 pprint_test_template[0].lossless_map = pprint_tests_meta[i].lossless_map;
5580 pprint_test_template[0].percpu_map = pprint_tests_meta[i].percpu_map;
5581
5582 do_test_pprint(0);
5583 }
5584
5585 /* test rest test templates with the first map */
5586 for (i = 1; i < ARRAY_SIZE(pprint_test_template); i++) {
5587 pprint_test_template[i].descr = pprint_tests_meta[0].descr;
5588 pprint_test_template[i].map_type = pprint_tests_meta[0].map_type;
5589 pprint_test_template[i].map_name = pprint_tests_meta[0].map_name;
5590 pprint_test_template[i].ordered_map = pprint_tests_meta[0].ordered_map;
5591 pprint_test_template[i].lossless_map = pprint_tests_meta[0].lossless_map;
5592 pprint_test_template[i].percpu_map = pprint_tests_meta[0].percpu_map;
5593 do_test_pprint(i);
5594 }
5595}
5596
5597#define BPF_LINE_INFO_ENC(insn_off, file_off, line_off, line_num, line_col) \
5598 (insn_off), (file_off), (line_off), ((line_num) << 10 | ((line_col) & 0x3ff))
5599
5600static struct prog_info_raw_test {
5601 const char *descr;
5602 const char *str_sec;
5603 const char *err_str;
5604 __u32 raw_types[MAX_NR_RAW_U32];
5605 __u32 str_sec_size;
5606 struct bpf_insn insns[MAX_INSNS];
5607 __u32 prog_type;
5608 __u32 func_info[MAX_SUBPROGS][2];
5609 __u32 func_info_rec_size;
5610 __u32 func_info_cnt;
5611 __u32 line_info[MAX_NR_RAW_U32];
5612 __u32 line_info_rec_size;
5613 __u32 nr_jited_ksyms;
5614 bool expected_prog_load_failure;
5615 __u32 dead_code_cnt;
5616 __u32 dead_code_mask;
5617 __u32 dead_func_cnt;
5618 __u32 dead_func_mask;
5619} info_raw_tests[] = {
5620{
5621 .descr = "func_type (main func + one sub)",
5622 .raw_types = {
5623 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5624 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5625 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5626 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5627 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5628 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5629 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5630 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5631 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5632 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5633 BTF_END_RAW,
5634 },
5635 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5636 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5637 .insns = {
5638 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5639 BPF_MOV64_IMM(BPF_REG_0, 1),
5640 BPF_EXIT_INSN(),
5641 BPF_MOV64_IMM(BPF_REG_0, 2),
5642 BPF_EXIT_INSN(),
5643 },
5644 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5645 .func_info = { {0, 5}, {3, 6} },
5646 .func_info_rec_size = 8,
5647 .func_info_cnt = 2,
5648 .line_info = { BTF_END_RAW },
5649},
5650
5651{
5652 .descr = "func_type (Incorrect func_info_rec_size)",
5653 .raw_types = {
5654 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5655 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5656 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5657 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5658 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5659 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5660 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5661 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5662 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5663 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5664 BTF_END_RAW,
5665 },
5666 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5667 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5668 .insns = {
5669 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5670 BPF_MOV64_IMM(BPF_REG_0, 1),
5671 BPF_EXIT_INSN(),
5672 BPF_MOV64_IMM(BPF_REG_0, 2),
5673 BPF_EXIT_INSN(),
5674 },
5675 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5676 .func_info = { {0, 5}, {3, 6} },
5677 .func_info_rec_size = 4,
5678 .func_info_cnt = 2,
5679 .line_info = { BTF_END_RAW },
5680 .expected_prog_load_failure = true,
5681},
5682
5683{
5684 .descr = "func_type (Incorrect func_info_cnt)",
5685 .raw_types = {
5686 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5687 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5688 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5689 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5690 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5691 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5692 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5693 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5694 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5695 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5696 BTF_END_RAW,
5697 },
5698 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5699 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5700 .insns = {
5701 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5702 BPF_MOV64_IMM(BPF_REG_0, 1),
5703 BPF_EXIT_INSN(),
5704 BPF_MOV64_IMM(BPF_REG_0, 2),
5705 BPF_EXIT_INSN(),
5706 },
5707 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5708 .func_info = { {0, 5}, {3, 6} },
5709 .func_info_rec_size = 8,
5710 .func_info_cnt = 1,
5711 .line_info = { BTF_END_RAW },
5712 .expected_prog_load_failure = true,
5713},
5714
5715{
5716 .descr = "func_type (Incorrect bpf_func_info.insn_off)",
5717 .raw_types = {
5718 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5719 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */
5720 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */
5721 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5722 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5723 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */
5724 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2),
5725 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5726 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */
5727 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */
5728 BTF_END_RAW,
5729 },
5730 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB",
5731 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"),
5732 .insns = {
5733 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2),
5734 BPF_MOV64_IMM(BPF_REG_0, 1),
5735 BPF_EXIT_INSN(),
5736 BPF_MOV64_IMM(BPF_REG_0, 2),
5737 BPF_EXIT_INSN(),
5738 },
5739 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5740 .func_info = { {0, 5}, {2, 6} },
5741 .func_info_rec_size = 8,
5742 .func_info_cnt = 2,
5743 .line_info = { BTF_END_RAW },
5744 .expected_prog_load_failure = true,
5745},
5746
5747{
5748 .descr = "line_info (No subprog)",
5749 .raw_types = {
5750 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5751 BTF_END_RAW,
5752 },
5753 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5754 .insns = {
5755 BPF_MOV64_IMM(BPF_REG_0, 1),
5756 BPF_MOV64_IMM(BPF_REG_1, 2),
5757 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5758 BPF_EXIT_INSN(),
5759 },
5760 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5761 .func_info_cnt = 0,
5762 .line_info = {
5763 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5764 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
5765 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
5766 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
5767 BTF_END_RAW,
5768 },
5769 .line_info_rec_size = sizeof(struct bpf_line_info),
5770 .nr_jited_ksyms = 1,
5771},
5772
5773{
5774 .descr = "line_info (No subprog. insn_off >= prog->len)",
5775 .raw_types = {
5776 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5777 BTF_END_RAW,
5778 },
5779 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5780 .insns = {
5781 BPF_MOV64_IMM(BPF_REG_0, 1),
5782 BPF_MOV64_IMM(BPF_REG_1, 2),
5783 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5784 BPF_EXIT_INSN(),
5785 },
5786 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5787 .func_info_cnt = 0,
5788 .line_info = {
5789 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5790 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9),
5791 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
5792 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
5793 BPF_LINE_INFO_ENC(4, 0, 0, 5, 6),
5794 BTF_END_RAW,
5795 },
5796 .line_info_rec_size = sizeof(struct bpf_line_info),
5797 .nr_jited_ksyms = 1,
5798 .err_str = "line_info[4].insn_off",
5799 .expected_prog_load_failure = true,
5800},
5801
5802{
5803 .descr = "line_info (Zero bpf insn code)",
5804 .raw_types = {
5805 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5806 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), /* [2] */
5807 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [3] */
5808 BTF_END_RAW,
5809 },
5810 BTF_STR_SEC("\0int\0unsigned long\0u64\0u64 a=1;\0return a;"),
5811 .insns = {
5812 BPF_LD_IMM64(BPF_REG_0, 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, 0, 2, 9),
5820 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
5821 BTF_END_RAW,
5822 },
5823 .line_info_rec_size = sizeof(struct bpf_line_info),
5824 .nr_jited_ksyms = 1,
5825 .err_str = "Invalid insn code at line_info[1]",
5826 .expected_prog_load_failure = true,
5827},
5828
5829{
5830 .descr = "line_info (No subprog. zero tailing line_info",
5831 .raw_types = {
5832 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5833 BTF_END_RAW,
5834 },
5835 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5836 .insns = {
5837 BPF_MOV64_IMM(BPF_REG_0, 1),
5838 BPF_MOV64_IMM(BPF_REG_1, 2),
5839 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5840 BPF_EXIT_INSN(),
5841 },
5842 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5843 .func_info_cnt = 0,
5844 .line_info = {
5845 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0,
5846 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0,
5847 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0,
5848 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 0,
5849 BTF_END_RAW,
5850 },
5851 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32),
5852 .nr_jited_ksyms = 1,
5853},
5854
5855{
5856 .descr = "line_info (No subprog. nonzero tailing line_info)",
5857 .raw_types = {
5858 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5859 BTF_END_RAW,
5860 },
5861 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
5862 .insns = {
5863 BPF_MOV64_IMM(BPF_REG_0, 1),
5864 BPF_MOV64_IMM(BPF_REG_1, 2),
5865 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1),
5866 BPF_EXIT_INSN(),
5867 },
5868 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5869 .func_info_cnt = 0,
5870 .line_info = {
5871 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0,
5872 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0,
5873 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0,
5874 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 1,
5875 BTF_END_RAW,
5876 },
5877 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32),
5878 .nr_jited_ksyms = 1,
5879 .err_str = "nonzero tailing record in line_info",
5880 .expected_prog_load_failure = true,
5881},
5882
5883{
5884 .descr = "line_info (subprog)",
5885 .raw_types = {
5886 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5887 BTF_END_RAW,
5888 },
5889 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
5890 .insns = {
5891 BPF_MOV64_IMM(BPF_REG_2, 1),
5892 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
5893 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
5894 BPF_CALL_REL(1),
5895 BPF_EXIT_INSN(),
5896 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
5897 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
5898 BPF_EXIT_INSN(),
5899 },
5900 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5901 .func_info_cnt = 0,
5902 .line_info = {
5903 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5904 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
5905 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
5906 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
5907 BTF_END_RAW,
5908 },
5909 .line_info_rec_size = sizeof(struct bpf_line_info),
5910 .nr_jited_ksyms = 2,
5911},
5912
5913{
5914 .descr = "line_info (subprog + func_info)",
5915 .raw_types = {
5916 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5917 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
5918 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
5919 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
5920 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
5921 BTF_END_RAW,
5922 },
5923 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
5924 .insns = {
5925 BPF_MOV64_IMM(BPF_REG_2, 1),
5926 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
5927 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
5928 BPF_CALL_REL(1),
5929 BPF_EXIT_INSN(),
5930 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
5931 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
5932 BPF_EXIT_INSN(),
5933 },
5934 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5935 .func_info_cnt = 2,
5936 .func_info_rec_size = 8,
5937 .func_info = { {0, 4}, {5, 3} },
5938 .line_info = {
5939 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
5940 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
5941 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
5942 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
5943 BTF_END_RAW,
5944 },
5945 .line_info_rec_size = sizeof(struct bpf_line_info),
5946 .nr_jited_ksyms = 2,
5947},
5948
5949{
5950 .descr = "line_info (subprog. missing 1st func line info)",
5951 .raw_types = {
5952 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5953 BTF_END_RAW,
5954 },
5955 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
5956 .insns = {
5957 BPF_MOV64_IMM(BPF_REG_2, 1),
5958 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
5959 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
5960 BPF_CALL_REL(1),
5961 BPF_EXIT_INSN(),
5962 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
5963 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
5964 BPF_EXIT_INSN(),
5965 },
5966 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5967 .func_info_cnt = 0,
5968 .line_info = {
5969 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 1, 10),
5970 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
5971 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8),
5972 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
5973 BTF_END_RAW,
5974 },
5975 .line_info_rec_size = sizeof(struct bpf_line_info),
5976 .nr_jited_ksyms = 2,
5977 .err_str = "missing bpf_line_info for func#0",
5978 .expected_prog_load_failure = true,
5979},
5980
5981{
5982 .descr = "line_info (subprog. missing 2nd func line info)",
5983 .raw_types = {
5984 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
5985 BTF_END_RAW,
5986 },
5987 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
5988 .insns = {
5989 BPF_MOV64_IMM(BPF_REG_2, 1),
5990 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
5991 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
5992 BPF_CALL_REL(1),
5993 BPF_EXIT_INSN(),
5994 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
5995 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
5996 BPF_EXIT_INSN(),
5997 },
5998 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
5999 .func_info_cnt = 0,
6000 .line_info = {
6001 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6002 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9),
6003 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 3, 8),
6004 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
6005 BTF_END_RAW,
6006 },
6007 .line_info_rec_size = sizeof(struct bpf_line_info),
6008 .nr_jited_ksyms = 2,
6009 .err_str = "missing bpf_line_info for func#1",
6010 .expected_prog_load_failure = true,
6011},
6012
6013{
6014 .descr = "line_info (subprog. unordered insn offset)",
6015 .raw_types = {
6016 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6017 BTF_END_RAW,
6018 },
6019 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"),
6020 .insns = {
6021 BPF_MOV64_IMM(BPF_REG_2, 1),
6022 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
6023 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
6024 BPF_CALL_REL(1),
6025 BPF_EXIT_INSN(),
6026 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
6027 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6028 BPF_EXIT_INSN(),
6029 },
6030 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6031 .func_info_cnt = 0,
6032 .line_info = {
6033 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6034 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 2, 9),
6035 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
6036 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7),
6037 BTF_END_RAW,
6038 },
6039 .line_info_rec_size = sizeof(struct bpf_line_info),
6040 .nr_jited_ksyms = 2,
6041 .err_str = "Invalid line_info[2].insn_off",
6042 .expected_prog_load_failure = true,
6043},
6044
6045{
6046 .descr = "line_info (dead start)",
6047 .raw_types = {
6048 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6049 BTF_END_RAW,
6050 },
6051 BTF_STR_SEC("\0int\0/* dead jmp */\0int a=1;\0int b=2;\0return a + b;\0return a + b;"),
6052 .insns = {
6053 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6054 BPF_MOV64_IMM(BPF_REG_0, 1),
6055 BPF_MOV64_IMM(BPF_REG_1, 2),
6056 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_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(1, 0, NAME_TBD, 2, 9),
6064 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8),
6065 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7),
6066 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 6),
6067 BTF_END_RAW,
6068 },
6069 .line_info_rec_size = sizeof(struct bpf_line_info),
6070 .nr_jited_ksyms = 1,
6071 .dead_code_cnt = 1,
6072 .dead_code_mask = 0x01,
6073},
6074
6075{
6076 .descr = "line_info (dead end)",
6077 .raw_types = {
6078 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6079 BTF_END_RAW,
6080 },
6081 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0/* dead jmp */\0return a + b;\0/* dead exit */"),
6082 .insns = {
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_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1),
6087 BPF_EXIT_INSN(),
6088 BPF_EXIT_INSN(),
6089 },
6090 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6091 .func_info_cnt = 0,
6092 .line_info = {
6093 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 12),
6094 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 11),
6095 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 10),
6096 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 9),
6097 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 8),
6098 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 6, 7),
6099 BTF_END_RAW,
6100 },
6101 .line_info_rec_size = sizeof(struct bpf_line_info),
6102 .nr_jited_ksyms = 1,
6103 .dead_code_cnt = 2,
6104 .dead_code_mask = 0x28,
6105},
6106
6107{
6108 .descr = "line_info (dead code + subprog + func_info)",
6109 .raw_types = {
6110 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6111 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6112 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6113 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6114 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6115 BTF_END_RAW,
6116 },
6117 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0/* dead jmp */"
6118 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
6119 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
6120 "\0return func(a);\0b+=1;\0return b;"),
6121 .insns = {
6122 BPF_MOV64_IMM(BPF_REG_2, 1),
6123 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1),
6124 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2),
6125 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 8),
6126 BPF_MOV64_IMM(BPF_REG_2, 1),
6127 BPF_MOV64_IMM(BPF_REG_2, 1),
6128 BPF_MOV64_IMM(BPF_REG_2, 1),
6129 BPF_MOV64_IMM(BPF_REG_2, 1),
6130 BPF_MOV64_IMM(BPF_REG_2, 1),
6131 BPF_MOV64_IMM(BPF_REG_2, 1),
6132 BPF_MOV64_IMM(BPF_REG_2, 1),
6133 BPF_MOV64_IMM(BPF_REG_2, 1),
6134 BPF_CALL_REL(1),
6135 BPF_EXIT_INSN(),
6136 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1),
6137 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6138 BPF_EXIT_INSN(),
6139 },
6140 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6141 .func_info_cnt = 2,
6142 .func_info_rec_size = 8,
6143 .func_info = { {0, 4}, {14, 3} },
6144 .line_info = {
6145 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6146 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6147 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6148 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6149 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6150 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6151 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6152 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6153 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
6154 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
6155 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
6156 BPF_LINE_INFO_ENC(14, 0, NAME_TBD, 3, 8),
6157 BPF_LINE_INFO_ENC(16, 0, NAME_TBD, 4, 7),
6158 BTF_END_RAW,
6159 },
6160 .line_info_rec_size = sizeof(struct bpf_line_info),
6161 .nr_jited_ksyms = 2,
6162 .dead_code_cnt = 9,
6163 .dead_code_mask = 0x3fe,
6164},
6165
6166{
6167 .descr = "line_info (dead subprog)",
6168 .raw_types = {
6169 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6170 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6171 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6172 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6173 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6174 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6175 BTF_END_RAW,
6176 },
6177 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
6178 "\0return 0;\0return 0;\0/* dead */\0/* dead */"
6179 "\0/* dead */\0return bla + 1;\0return bla + 1;"
6180 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
6181 .insns = {
6182 BPF_MOV64_IMM(BPF_REG_2, 1),
6183 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6184 BPF_CALL_REL(3),
6185 BPF_CALL_REL(5),
6186 BPF_MOV64_IMM(BPF_REG_0, 0),
6187 BPF_EXIT_INSN(),
6188 BPF_MOV64_IMM(BPF_REG_0, 0),
6189 BPF_CALL_REL(1),
6190 BPF_EXIT_INSN(),
6191 BPF_MOV64_REG(BPF_REG_0, 2),
6192 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6193 BPF_EXIT_INSN(),
6194 },
6195 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6196 .func_info_cnt = 3,
6197 .func_info_rec_size = 8,
6198 .func_info = { {0, 4}, {6, 3}, {9, 5} },
6199 .line_info = {
6200 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6201 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6202 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6203 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6204 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6205 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6206 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6207 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6208 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
6209 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
6210 BTF_END_RAW,
6211 },
6212 .line_info_rec_size = sizeof(struct bpf_line_info),
6213 .nr_jited_ksyms = 2,
6214 .dead_code_cnt = 3,
6215 .dead_code_mask = 0x70,
6216 .dead_func_cnt = 1,
6217 .dead_func_mask = 0x2,
6218},
6219
6220{
6221 .descr = "line_info (dead last subprog)",
6222 .raw_types = {
6223 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6224 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6225 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6226 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6227 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6228 BTF_END_RAW,
6229 },
6230 BTF_STR_SEC("\0int\0x\0dead\0main\0int a=1+1;\0/* live call */"
6231 "\0return 0;\0/* dead */\0/* dead */"),
6232 .insns = {
6233 BPF_MOV64_IMM(BPF_REG_2, 1),
6234 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6235 BPF_CALL_REL(2),
6236 BPF_MOV64_IMM(BPF_REG_0, 0),
6237 BPF_EXIT_INSN(),
6238 BPF_MOV64_IMM(BPF_REG_0, 0),
6239 BPF_EXIT_INSN(),
6240 },
6241 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6242 .func_info_cnt = 2,
6243 .func_info_rec_size = 8,
6244 .func_info = { {0, 4}, {5, 3} },
6245 .line_info = {
6246 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6247 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6248 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6249 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6250 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6251 BTF_END_RAW,
6252 },
6253 .line_info_rec_size = sizeof(struct bpf_line_info),
6254 .nr_jited_ksyms = 1,
6255 .dead_code_cnt = 2,
6256 .dead_code_mask = 0x18,
6257 .dead_func_cnt = 1,
6258 .dead_func_mask = 0x2,
6259},
6260
6261{
6262 .descr = "line_info (dead subprog + dead start)",
6263 .raw_types = {
6264 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6265 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6266 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6267 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6268 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6269 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6270 BTF_END_RAW,
6271 },
6272 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* dead */"
6273 "\0return 0;\0return 0;\0return 0;"
6274 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */"
6275 "\0return b + 1;\0return b + 1;\0return b + 1;"),
6276 .insns = {
6277 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6278 BPF_MOV64_IMM(BPF_REG_2, 1),
6279 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6280 BPF_CALL_REL(3),
6281 BPF_CALL_REL(5),
6282 BPF_MOV64_IMM(BPF_REG_0, 0),
6283 BPF_EXIT_INSN(),
6284 BPF_MOV64_IMM(BPF_REG_0, 0),
6285 BPF_CALL_REL(1),
6286 BPF_EXIT_INSN(),
6287 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6288 BPF_MOV64_REG(BPF_REG_0, 2),
6289 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6290 BPF_EXIT_INSN(),
6291 },
6292 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6293 .func_info_cnt = 3,
6294 .func_info_rec_size = 8,
6295 .func_info = { {0, 4}, {7, 3}, {10, 5} },
6296 .line_info = {
6297 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6298 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6299 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6300 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6301 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6302 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6303 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6304 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6305 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10),
6306 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9),
6307 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
6308 BPF_LINE_INFO_ENC(13, 0, NAME_TBD, 2, 9),
6309 BTF_END_RAW,
6310 },
6311 .line_info_rec_size = sizeof(struct bpf_line_info),
6312 .nr_jited_ksyms = 2,
6313 .dead_code_cnt = 5,
6314 .dead_code_mask = 0x1e2,
6315 .dead_func_cnt = 1,
6316 .dead_func_mask = 0x2,
6317},
6318
6319{
6320 .descr = "line_info (dead subprog + dead start w/ move)",
6321 .raw_types = {
6322 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6323 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6324 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6325 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6326 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6327 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */
6328 BTF_END_RAW,
6329 },
6330 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */"
6331 "\0return 0;\0return 0;\0/* dead */\0/* dead */"
6332 "\0/* dead */\0return bla + 1;\0return bla + 1;"
6333 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"),
6334 .insns = {
6335 BPF_MOV64_IMM(BPF_REG_2, 1),
6336 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1),
6337 BPF_CALL_REL(3),
6338 BPF_CALL_REL(5),
6339 BPF_MOV64_IMM(BPF_REG_0, 0),
6340 BPF_EXIT_INSN(),
6341 BPF_MOV64_IMM(BPF_REG_0, 0),
6342 BPF_CALL_REL(1),
6343 BPF_EXIT_INSN(),
6344 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6345 BPF_MOV64_REG(BPF_REG_0, 2),
6346 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1),
6347 BPF_EXIT_INSN(),
6348 },
6349 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6350 .func_info_cnt = 3,
6351 .func_info_rec_size = 8,
6352 .func_info = { {0, 4}, {6, 3}, {9, 5} },
6353 .line_info = {
6354 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6355 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10),
6356 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10),
6357 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10),
6358 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6359 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10),
6360 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10),
6361 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10),
6362 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 1, 10),
6363 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9),
6364 BTF_END_RAW,
6365 },
6366 .line_info_rec_size = sizeof(struct bpf_line_info),
6367 .nr_jited_ksyms = 2,
6368 .dead_code_cnt = 3,
6369 .dead_code_mask = 0x70,
6370 .dead_func_cnt = 1,
6371 .dead_func_mask = 0x2,
6372},
6373
6374{
6375 .descr = "line_info (dead end + subprog start w/ no linfo)",
6376 .raw_types = {
6377 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6378 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */
6379 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
6380 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */
6381 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */
6382 BTF_END_RAW,
6383 },
6384 BTF_STR_SEC("\0int\0x\0main\0func\0/* main linfo */\0/* func linfo */"),
6385 .insns = {
6386 BPF_MOV64_IMM(BPF_REG_0, 0),
6387 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 1, 3),
6388 BPF_CALL_REL(3),
6389 BPF_MOV64_IMM(BPF_REG_0, 0),
6390 BPF_EXIT_INSN(),
6391 BPF_EXIT_INSN(),
6392 BPF_JMP_IMM(BPF_JA, 0, 0, 0),
6393 BPF_EXIT_INSN(),
6394 },
6395 .prog_type = BPF_PROG_TYPE_TRACEPOINT,
6396 .func_info_cnt = 2,
6397 .func_info_rec_size = 8,
6398 .func_info = { {0, 3}, {6, 4}, },
6399 .line_info = {
6400 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10),
6401 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10),
6402 BTF_END_RAW,
6403 },
6404 .line_info_rec_size = sizeof(struct bpf_line_info),
6405 .nr_jited_ksyms = 2,
6406},
6407
6408};
6409
6410static size_t probe_prog_length(const struct bpf_insn *fp)
6411{
6412 size_t len;
6413
6414 for (len = MAX_INSNS - 1; len > 0; --len)
6415 if (fp[len].code != 0 || fp[len].imm != 0)
6416 break;
6417 return len + 1;
6418}
6419
6420static __u32 *patch_name_tbd(const __u32 *raw_u32,
6421 const char *str, __u32 str_off,
6422 unsigned int str_sec_size,
6423 unsigned int *ret_size)
6424{
6425 int i, raw_u32_size = get_raw_sec_size(raw_u32);
6426 const char *end_str = str + str_sec_size;
6427 const char *next_str = str + str_off;
6428 __u32 *new_u32 = NULL;
6429
6430 if (raw_u32_size == -1)
6431 return ERR_PTR(-EINVAL);
6432
6433 if (!raw_u32_size) {
6434 *ret_size = 0;
6435 return NULL;
6436 }
6437
6438 new_u32 = malloc(raw_u32_size);
6439 if (!new_u32)
6440 return ERR_PTR(-ENOMEM);
6441
6442 for (i = 0; i < raw_u32_size / sizeof(raw_u32[0]); i++) {
6443 if (raw_u32[i] == NAME_TBD) {
6444 next_str = get_next_str(next_str, end_str);
6445 if (CHECK(!next_str, "Error in getting next_str\n")) {
6446 free(new_u32);
6447 return ERR_PTR(-EINVAL);
6448 }
6449 new_u32[i] = next_str - str;
6450 next_str += strlen(next_str);
6451 } else {
6452 new_u32[i] = raw_u32[i];
6453 }
6454 }
6455
6456 *ret_size = raw_u32_size;
6457 return new_u32;
6458}
6459
6460static int test_get_finfo(const struct prog_info_raw_test *test,
6461 int prog_fd)
6462{
6463 struct bpf_prog_info info = {};
6464 struct bpf_func_info *finfo;
6465 __u32 info_len, rec_size, i;
6466 void *func_info = NULL;
6467 __u32 nr_func_info;
6468 int err;
6469
6470 /* get necessary lens */
6471 info_len = sizeof(struct bpf_prog_info);
6472 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6473 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) {
6474 fprintf(stderr, "%s\n", btf_log_buf);
6475 return -1;
6476 }
6477 nr_func_info = test->func_info_cnt - test->dead_func_cnt;
6478 if (CHECK(info.nr_func_info != nr_func_info,
6479 "incorrect info.nr_func_info (1st) %d",
6480 info.nr_func_info)) {
6481 return -1;
6482 }
6483
6484 rec_size = info.func_info_rec_size;
6485 if (CHECK(rec_size != sizeof(struct bpf_func_info),
6486 "incorrect info.func_info_rec_size (1st) %d", rec_size)) {
6487 return -1;
6488 }
6489
6490 if (!info.nr_func_info)
6491 return 0;
6492
6493 func_info = malloc(info.nr_func_info * rec_size);
6494 if (CHECK(!func_info, "out of memory"))
6495 return -1;
6496
6497 /* reset info to only retrieve func_info related data */
6498 memset(&info, 0, sizeof(info));
6499 info.nr_func_info = nr_func_info;
6500 info.func_info_rec_size = rec_size;
6501 info.func_info = ptr_to_u64(func_info);
6502 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6503 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) {
6504 fprintf(stderr, "%s\n", btf_log_buf);
6505 err = -1;
6506 goto done;
6507 }
6508 if (CHECK(info.nr_func_info != nr_func_info,
6509 "incorrect info.nr_func_info (2nd) %d",
6510 info.nr_func_info)) {
6511 err = -1;
6512 goto done;
6513 }
6514 if (CHECK(info.func_info_rec_size != rec_size,
6515 "incorrect info.func_info_rec_size (2nd) %d",
6516 info.func_info_rec_size)) {
6517 err = -1;
6518 goto done;
6519 }
6520
6521 finfo = func_info;
6522 for (i = 0; i < nr_func_info; i++) {
6523 if (test->dead_func_mask & (1 << i))
6524 continue;
6525 if (CHECK(finfo->type_id != test->func_info[i][1],
6526 "incorrect func_type %u expected %u",
6527 finfo->type_id, test->func_info[i][1])) {
6528 err = -1;
6529 goto done;
6530 }
6531 finfo = (void *)finfo + rec_size;
6532 }
6533
6534 err = 0;
6535
6536done:
6537 free(func_info);
6538 return err;
6539}
6540
6541static int test_get_linfo(const struct prog_info_raw_test *test,
6542 const void *patched_linfo,
6543 __u32 cnt, int prog_fd)
6544{
6545 __u32 i, info_len, nr_jited_ksyms, nr_jited_func_lens;
6546 __u64 *jited_linfo = NULL, *jited_ksyms = NULL;
6547 __u32 rec_size, jited_rec_size, jited_cnt;
6548 struct bpf_line_info *linfo = NULL;
6549 __u32 cur_func_len, ksyms_found;
6550 struct bpf_prog_info info = {};
6551 __u32 *jited_func_lens = NULL;
6552 __u64 cur_func_ksyms;
6553 __u32 dead_insns;
6554 int err;
6555
6556 jited_cnt = cnt;
6557 rec_size = sizeof(*linfo);
6558 jited_rec_size = sizeof(*jited_linfo);
6559 if (test->nr_jited_ksyms)
6560 nr_jited_ksyms = test->nr_jited_ksyms;
6561 else
6562 nr_jited_ksyms = test->func_info_cnt - test->dead_func_cnt;
6563 nr_jited_func_lens = nr_jited_ksyms;
6564
6565 info_len = sizeof(struct bpf_prog_info);
6566 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6567 if (CHECK(err < 0, "err:%d errno:%d", err, errno)) {
6568 err = -1;
6569 goto done;
6570 }
6571
6572 if (!info.jited_prog_len) {
6573 /* prog is not jited */
6574 jited_cnt = 0;
6575 nr_jited_ksyms = 1;
6576 nr_jited_func_lens = 1;
6577 }
6578
6579 if (CHECK(info.nr_line_info != cnt ||
6580 info.nr_jited_line_info != jited_cnt ||
6581 info.nr_jited_ksyms != nr_jited_ksyms ||
6582 info.nr_jited_func_lens != nr_jited_func_lens ||
6583 (!info.nr_line_info && info.nr_jited_line_info),
6584 "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)",
6585 info.nr_line_info, cnt,
6586 info.nr_jited_line_info, jited_cnt,
6587 info.nr_jited_ksyms, nr_jited_ksyms,
6588 info.nr_jited_func_lens, nr_jited_func_lens)) {
6589 err = -1;
6590 goto done;
6591 }
6592
6593 if (CHECK(info.line_info_rec_size != sizeof(struct bpf_line_info) ||
6594 info.jited_line_info_rec_size != sizeof(__u64),
6595 "info: line_info_rec_size:%u(userspace expected:%u) jited_line_info_rec_size:%u(userspace expected:%u)",
6596 info.line_info_rec_size, rec_size,
6597 info.jited_line_info_rec_size, jited_rec_size)) {
6598 err = -1;
6599 goto done;
6600 }
6601
6602 if (!cnt)
6603 return 0;
6604
6605 rec_size = info.line_info_rec_size;
6606 jited_rec_size = info.jited_line_info_rec_size;
6607
6608 memset(&info, 0, sizeof(info));
6609
6610 linfo = calloc(cnt, rec_size);
6611 if (CHECK(!linfo, "!linfo")) {
6612 err = -1;
6613 goto done;
6614 }
6615 info.nr_line_info = cnt;
6616 info.line_info_rec_size = rec_size;
6617 info.line_info = ptr_to_u64(linfo);
6618
6619 if (jited_cnt) {
6620 jited_linfo = calloc(jited_cnt, jited_rec_size);
6621 jited_ksyms = calloc(nr_jited_ksyms, sizeof(*jited_ksyms));
6622 jited_func_lens = calloc(nr_jited_func_lens,
6623 sizeof(*jited_func_lens));
6624 if (CHECK(!jited_linfo || !jited_ksyms || !jited_func_lens,
6625 "jited_linfo:%p jited_ksyms:%p jited_func_lens:%p",
6626 jited_linfo, jited_ksyms, jited_func_lens)) {
6627 err = -1;
6628 goto done;
6629 }
6630
6631 info.nr_jited_line_info = jited_cnt;
6632 info.jited_line_info_rec_size = jited_rec_size;
6633 info.jited_line_info = ptr_to_u64(jited_linfo);
6634 info.nr_jited_ksyms = nr_jited_ksyms;
6635 info.jited_ksyms = ptr_to_u64(jited_ksyms);
6636 info.nr_jited_func_lens = nr_jited_func_lens;
6637 info.jited_func_lens = ptr_to_u64(jited_func_lens);
6638 }
6639
6640 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len);
6641
6642 /*
6643 * Only recheck the info.*line_info* fields.
6644 * Other fields are not the concern of this test.
6645 */
6646 if (CHECK(err < 0 ||
6647 info.nr_line_info != cnt ||
6648 (jited_cnt && !info.jited_line_info) ||
6649 info.nr_jited_line_info != jited_cnt ||
6650 info.line_info_rec_size != rec_size ||
6651 info.jited_line_info_rec_size != jited_rec_size,
6652 "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",
6653 err, errno,
6654 info.nr_line_info, cnt,
6655 info.nr_jited_line_info, jited_cnt,
6656 info.line_info_rec_size, rec_size,
6657 info.jited_line_info_rec_size, jited_rec_size,
6658 (void *)(long)info.line_info,
6659 (void *)(long)info.jited_line_info)) {
6660 err = -1;
6661 goto done;
6662 }
6663
6664 dead_insns = 0;
6665 while (test->dead_code_mask & (1 << dead_insns))
6666 dead_insns++;
6667
6668 CHECK(linfo[0].insn_off, "linfo[0].insn_off:%u",
6669 linfo[0].insn_off);
6670 for (i = 1; i < cnt; i++) {
6671 const struct bpf_line_info *expected_linfo;
6672
6673 while (test->dead_code_mask & (1 << (i + dead_insns)))
6674 dead_insns++;
6675
6676 expected_linfo = patched_linfo +
6677 ((i + dead_insns) * test->line_info_rec_size);
6678 if (CHECK(linfo[i].insn_off <= linfo[i - 1].insn_off,
6679 "linfo[%u].insn_off:%u <= linfo[%u].insn_off:%u",
6680 i, linfo[i].insn_off,
6681 i - 1, linfo[i - 1].insn_off)) {
6682 err = -1;
6683 goto done;
6684 }
6685 if (CHECK(linfo[i].file_name_off != expected_linfo->file_name_off ||
6686 linfo[i].line_off != expected_linfo->line_off ||
6687 linfo[i].line_col != expected_linfo->line_col,
6688 "linfo[%u] (%u, %u, %u) != (%u, %u, %u)", i,
6689 linfo[i].file_name_off,
6690 linfo[i].line_off,
6691 linfo[i].line_col,
6692 expected_linfo->file_name_off,
6693 expected_linfo->line_off,
6694 expected_linfo->line_col)) {
6695 err = -1;
6696 goto done;
6697 }
6698 }
6699
6700 if (!jited_cnt) {
6701 fprintf(stderr, "not jited. skipping jited_line_info check. ");
6702 err = 0;
6703 goto done;
6704 }
6705
6706 if (CHECK(jited_linfo[0] != jited_ksyms[0],
6707 "jited_linfo[0]:%lx != jited_ksyms[0]:%lx",
6708 (long)(jited_linfo[0]), (long)(jited_ksyms[0]))) {
6709 err = -1;
6710 goto done;
6711 }
6712
6713 ksyms_found = 1;
6714 cur_func_len = jited_func_lens[0];
6715 cur_func_ksyms = jited_ksyms[0];
6716 for (i = 1; i < jited_cnt; i++) {
6717 if (ksyms_found < nr_jited_ksyms &&
6718 jited_linfo[i] == jited_ksyms[ksyms_found]) {
6719 cur_func_ksyms = jited_ksyms[ksyms_found];
6720 cur_func_len = jited_ksyms[ksyms_found];
6721 ksyms_found++;
6722 continue;
6723 }
6724
6725 if (CHECK(jited_linfo[i] <= jited_linfo[i - 1],
6726 "jited_linfo[%u]:%lx <= jited_linfo[%u]:%lx",
6727 i, (long)jited_linfo[i],
6728 i - 1, (long)(jited_linfo[i - 1]))) {
6729 err = -1;
6730 goto done;
6731 }
6732
6733 if (CHECK(jited_linfo[i] - cur_func_ksyms > cur_func_len,
6734 "jited_linfo[%u]:%lx - %lx > %u",
6735 i, (long)jited_linfo[i], (long)cur_func_ksyms,
6736 cur_func_len)) {
6737 err = -1;
6738 goto done;
6739 }
6740 }
6741
6742 if (CHECK(ksyms_found != nr_jited_ksyms,
6743 "ksyms_found:%u != nr_jited_ksyms:%u",
6744 ksyms_found, nr_jited_ksyms)) {
6745 err = -1;
6746 goto done;
6747 }
6748
6749 err = 0;
6750
6751done:
6752 free(linfo);
6753 free(jited_linfo);
6754 free(jited_ksyms);
6755 free(jited_func_lens);
6756 return err;
6757}
6758
6759static void do_test_info_raw(unsigned int test_num)
6760{
6761 const struct prog_info_raw_test *test = &info_raw_tests[test_num - 1];
6762 unsigned int raw_btf_size, linfo_str_off, linfo_size = 0;
6763 int btf_fd = -1, prog_fd = -1, err = 0;
6764 void *raw_btf, *patched_linfo = NULL;
6765 const char *ret_next_str;
6766 union bpf_attr attr = {};
6767
6768 if (!test__start_subtest(test->descr))
6769 return;
6770
6771 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types,
6772 test->str_sec, test->str_sec_size,
6773 &raw_btf_size, &ret_next_str);
6774 if (!raw_btf)
6775 return;
6776
6777 *btf_log_buf = '\0';
6778 btf_fd = load_raw_btf(raw_btf, raw_btf_size);
6779 free(raw_btf);
6780
6781 if (CHECK(btf_fd < 0, "invalid btf_fd errno:%d", errno)) {
6782 err = -1;
6783 goto done;
6784 }
6785
6786 if (*btf_log_buf && always_log)
6787 fprintf(stderr, "\n%s", btf_log_buf);
6788 *btf_log_buf = '\0';
6789
6790 linfo_str_off = ret_next_str - test->str_sec;
6791 patched_linfo = patch_name_tbd(test->line_info,
6792 test->str_sec, linfo_str_off,
6793 test->str_sec_size, &linfo_size);
6794 err = libbpf_get_error(patched_linfo);
6795 if (err) {
6796 fprintf(stderr, "error in creating raw bpf_line_info");
6797 err = -1;
6798 goto done;
6799 }
6800
6801 attr.prog_type = test->prog_type;
6802 attr.insns = ptr_to_u64(test->insns);
6803 attr.insn_cnt = probe_prog_length(test->insns);
6804 attr.license = ptr_to_u64("GPL");
6805 attr.prog_btf_fd = btf_fd;
6806 attr.func_info_rec_size = test->func_info_rec_size;
6807 attr.func_info_cnt = test->func_info_cnt;
6808 attr.func_info = ptr_to_u64(test->func_info);
6809 attr.log_buf = ptr_to_u64(btf_log_buf);
6810 attr.log_size = BTF_LOG_BUF_SIZE;
6811 attr.log_level = 1;
6812 if (linfo_size) {
6813 attr.line_info_rec_size = test->line_info_rec_size;
6814 attr.line_info = ptr_to_u64(patched_linfo);
6815 attr.line_info_cnt = linfo_size / attr.line_info_rec_size;
6816 }
6817
6818 prog_fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
6819 err = ((prog_fd < 0) != test->expected_prog_load_failure);
6820 if (CHECK(err, "prog_fd:%d expected_prog_load_failure:%u errno:%d",
6821 prog_fd, test->expected_prog_load_failure, errno) ||
6822 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str),
6823 "expected err_str:%s", test->err_str)) {
6824 err = -1;
6825 goto done;
6826 }
6827
6828 if (prog_fd < 0)
6829 goto done;
6830
6831 err = test_get_finfo(test, prog_fd);
6832 if (err)
6833 goto done;
6834
6835 err = test_get_linfo(test, patched_linfo,
6836 attr.line_info_cnt - test->dead_code_cnt,
6837 prog_fd);
6838 if (err)
6839 goto done;
6840
6841done:
6842 if (*btf_log_buf && (err || always_log))
6843 fprintf(stderr, "\n%s", btf_log_buf);
6844
6845 if (btf_fd >= 0)
6846 close(btf_fd);
6847 if (prog_fd >= 0)
6848 close(prog_fd);
6849
6850 if (!libbpf_get_error(patched_linfo))
6851 free(patched_linfo);
6852}
6853
6854struct btf_raw_data {
6855 __u32 raw_types[MAX_NR_RAW_U32];
6856 const char *str_sec;
6857 __u32 str_sec_size;
6858};
6859
6860struct btf_dedup_test {
6861 const char *descr;
6862 struct btf_raw_data input;
6863 struct btf_raw_data expect;
6864 struct btf_dedup_opts opts;
6865};
6866
6867static struct btf_dedup_test dedup_tests[] = {
6868
6869{
6870 .descr = "dedup: unused strings filtering",
6871 .input = {
6872 .raw_types = {
6873 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 4),
6874 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 64, 8),
6875 BTF_END_RAW,
6876 },
6877 BTF_STR_SEC("\0unused\0int\0foo\0bar\0long"),
6878 },
6879 .expect = {
6880 .raw_types = {
6881 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
6882 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
6883 BTF_END_RAW,
6884 },
6885 BTF_STR_SEC("\0int\0long"),
6886 },
6887},
6888{
6889 .descr = "dedup: strings deduplication",
6890 .input = {
6891 .raw_types = {
6892 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
6893 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
6894 BTF_TYPE_INT_ENC(NAME_NTH(3), BTF_INT_SIGNED, 0, 32, 4),
6895 BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 64, 8),
6896 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4),
6897 BTF_END_RAW,
6898 },
6899 BTF_STR_SEC("\0int\0long int\0int\0long int\0int"),
6900 },
6901 .expect = {
6902 .raw_types = {
6903 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
6904 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8),
6905 BTF_END_RAW,
6906 },
6907 BTF_STR_SEC("\0int\0long int"),
6908 },
6909},
6910{
6911 .descr = "dedup: struct example #1",
6912 /*
6913 * struct s {
6914 * struct s *next;
6915 * const int *a;
6916 * int b[16];
6917 * int c;
6918 * }
6919 */
6920 .input = {
6921 .raw_types = {
6922 /* int */
6923 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6924 /* int[16] */
6925 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */
6926 /* struct s { */
6927 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [3] */
6928 BTF_MEMBER_ENC(NAME_NTH(3), 4, 0), /* struct s *next; */
6929 BTF_MEMBER_ENC(NAME_NTH(4), 5, 64), /* const int *a; */
6930 BTF_MEMBER_ENC(NAME_NTH(5), 2, 128), /* int b[16]; */
6931 BTF_MEMBER_ENC(NAME_NTH(6), 1, 640), /* int c; */
6932 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), /* float d; */
6933 /* ptr -> [3] struct s */
6934 BTF_PTR_ENC(3), /* [4] */
6935 /* ptr -> [6] const int */
6936 BTF_PTR_ENC(6), /* [5] */
6937 /* const -> [1] int */
6938 BTF_CONST_ENC(1), /* [6] */
6939 /* tag -> [3] struct s */
6940 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */
6941 /* tag -> [3] struct s, member 1 */
6942 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */
6943
6944 /* full copy of the above */
6945 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [9] */
6946 BTF_TYPE_ARRAY_ENC(9, 9, 16), /* [10] */
6947 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [11] */
6948 BTF_MEMBER_ENC(NAME_NTH(3), 12, 0),
6949 BTF_MEMBER_ENC(NAME_NTH(4), 13, 64),
6950 BTF_MEMBER_ENC(NAME_NTH(5), 10, 128),
6951 BTF_MEMBER_ENC(NAME_NTH(6), 9, 640),
6952 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672),
6953 BTF_PTR_ENC(11), /* [12] */
6954 BTF_PTR_ENC(14), /* [13] */
6955 BTF_CONST_ENC(9), /* [14] */
6956 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [15] */
6957 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, -1), /* [16] */
6958 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, 1), /* [17] */
6959 BTF_END_RAW,
6960 },
6961 BTF_STR_SEC("\0int\0s\0next\0a\0b\0c\0float\0d"),
6962 },
6963 .expect = {
6964 .raw_types = {
6965 /* int */
6966 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), /* [1] */
6967 /* int[16] */
6968 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */
6969 /* struct s { */
6970 BTF_STRUCT_ENC(NAME_NTH(8), 5, 88), /* [3] */
6971 BTF_MEMBER_ENC(NAME_NTH(7), 4, 0), /* struct s *next; */
6972 BTF_MEMBER_ENC(NAME_NTH(1), 5, 64), /* const int *a; */
6973 BTF_MEMBER_ENC(NAME_NTH(2), 2, 128), /* int b[16]; */
6974 BTF_MEMBER_ENC(NAME_NTH(3), 1, 640), /* int c; */
6975 BTF_MEMBER_ENC(NAME_NTH(4), 9, 672), /* float d; */
6976 /* ptr -> [3] struct s */
6977 BTF_PTR_ENC(3), /* [4] */
6978 /* ptr -> [6] const int */
6979 BTF_PTR_ENC(6), /* [5] */
6980 /* const -> [1] int */
6981 BTF_CONST_ENC(1), /* [6] */
6982 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */
6983 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */
6984 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [9] */
6985 BTF_END_RAW,
6986 },
6987 BTF_STR_SEC("\0a\0b\0c\0d\0int\0float\0next\0s"),
6988 },
6989},
6990{
6991 .descr = "dedup: struct <-> fwd resolution w/ hash collision",
6992 /*
6993 * // CU 1:
6994 * struct x;
6995 * struct s {
6996 * struct x *x;
6997 * };
6998 * // CU 2:
6999 * struct x {};
7000 * struct s {
7001 * struct x *x;
7002 * };
7003 */
7004 .input = {
7005 .raw_types = {
7006 /* CU 1 */
7007 BTF_FWD_ENC(NAME_TBD, 0 /* struct fwd */), /* [1] fwd x */
7008 BTF_PTR_ENC(1), /* [2] ptr -> [1] */
7009 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] struct s */
7010 BTF_MEMBER_ENC(NAME_TBD, 2, 0),
7011 /* CU 2 */
7012 BTF_STRUCT_ENC(NAME_TBD, 0, 0), /* [4] struct x */
7013 BTF_PTR_ENC(4), /* [5] ptr -> [4] */
7014 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [6] struct s */
7015 BTF_MEMBER_ENC(NAME_TBD, 5, 0),
7016 BTF_END_RAW,
7017 },
7018 BTF_STR_SEC("\0x\0s\0x\0x\0s\0x\0"),
7019 },
7020 .expect = {
7021 .raw_types = {
7022 BTF_PTR_ENC(3), /* [1] ptr -> [3] */
7023 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [2] struct s */
7024 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7025 BTF_STRUCT_ENC(NAME_NTH(2), 0, 0), /* [3] struct x */
7026 BTF_END_RAW,
7027 },
7028 BTF_STR_SEC("\0s\0x"),
7029 },
7030 .opts = {
7031 .force_collisions = true, /* force hash collisions */
7032 },
7033},
7034{
7035 .descr = "dedup: void equiv check",
7036 /*
7037 * // CU 1:
7038 * struct s {
7039 * struct {} *x;
7040 * };
7041 * // CU 2:
7042 * struct s {
7043 * int *x;
7044 * };
7045 */
7046 .input = {
7047 .raw_types = {
7048 /* CU 1 */
7049 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */
7050 BTF_PTR_ENC(1), /* [2] ptr -> [1] */
7051 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */
7052 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7053 /* CU 2 */
7054 BTF_PTR_ENC(0), /* [4] ptr -> void */
7055 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */
7056 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0),
7057 BTF_END_RAW,
7058 },
7059 BTF_STR_SEC("\0s\0x"),
7060 },
7061 .expect = {
7062 .raw_types = {
7063 /* CU 1 */
7064 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */
7065 BTF_PTR_ENC(1), /* [2] ptr -> [1] */
7066 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */
7067 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7068 /* CU 2 */
7069 BTF_PTR_ENC(0), /* [4] ptr -> void */
7070 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */
7071 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0),
7072 BTF_END_RAW,
7073 },
7074 BTF_STR_SEC("\0s\0x"),
7075 },
7076 .opts = {
7077 .force_collisions = true, /* force hash collisions */
7078 },
7079},
7080{
7081 .descr = "dedup: all possible kinds (no duplicates)",
7082 .input = {
7083 .raw_types = {
7084 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */
7085 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */
7086 BTF_ENUM_ENC(NAME_TBD, 0),
7087 BTF_ENUM_ENC(NAME_TBD, 1),
7088 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */
7089 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */
7090 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */
7091 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7092 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */
7093 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7094 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */
7095 BTF_PTR_ENC(0), /* [8] ptr */
7096 BTF_CONST_ENC(8), /* [9] const */
7097 BTF_VOLATILE_ENC(8), /* [10] volatile */
7098 BTF_RESTRICT_ENC(8), /* [11] restrict */
7099 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
7100 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
7101 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18),
7102 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
7103 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */
7104 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */
7105 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */
7106 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */
7107 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */
7108 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */
7109 BTF_ENUM64_ENC(NAME_TBD, 0, 0),
7110 BTF_ENUM64_ENC(NAME_TBD, 1, 1),
7111 BTF_END_RAW,
7112 },
7113 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"),
7114 },
7115 .expect = {
7116 .raw_types = {
7117 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */
7118 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */
7119 BTF_ENUM_ENC(NAME_TBD, 0),
7120 BTF_ENUM_ENC(NAME_TBD, 1),
7121 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */
7122 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */
7123 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */
7124 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7125 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */
7126 BTF_MEMBER_ENC(NAME_TBD, 1, 0),
7127 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */
7128 BTF_PTR_ENC(0), /* [8] ptr */
7129 BTF_CONST_ENC(8), /* [9] const */
7130 BTF_VOLATILE_ENC(8), /* [10] volatile */
7131 BTF_RESTRICT_ENC(8), /* [11] restrict */
7132 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */
7133 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1),
7134 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18),
7135 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */
7136 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */
7137 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */
7138 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */
7139 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */
7140 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */
7141 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */
7142 BTF_ENUM64_ENC(NAME_TBD, 0, 0),
7143 BTF_ENUM64_ENC(NAME_TBD, 1, 1),
7144 BTF_END_RAW,
7145 },
7146 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"),
7147 },
7148},
7149{
7150 .descr = "dedup: no int/float duplicates",
7151 .input = {
7152 .raw_types = {
7153 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
7154 /* different name */
7155 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
7156 /* different encoding */
7157 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
7158 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
7159 /* different bit offset */
7160 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
7161 /* different bit size */
7162 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
7163 /* different byte size */
7164 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
7165 /* all allowed sizes */
7166 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2),
7167 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4),
7168 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8),
7169 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12),
7170 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16),
7171 BTF_END_RAW,
7172 },
7173 BTF_STR_SEC("\0int\0some other int\0float"),
7174 },
7175 .expect = {
7176 .raw_types = {
7177 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8),
7178 /* different name */
7179 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8),
7180 /* different encoding */
7181 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8),
7182 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8),
7183 /* different bit offset */
7184 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8),
7185 /* different bit size */
7186 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8),
7187 /* different byte size */
7188 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4),
7189 /* all allowed sizes */
7190 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2),
7191 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4),
7192 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8),
7193 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12),
7194 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16),
7195 BTF_END_RAW,
7196 },
7197 BTF_STR_SEC("\0int\0some other int\0float"),
7198 },
7199},
7200{
7201 .descr = "dedup: enum fwd resolution",
7202 .input = {
7203 .raw_types = {
7204 /* [1] fwd enum 'e1' before full enum */
7205 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
7206 /* [2] full enum 'e1' after fwd */
7207 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7208 BTF_ENUM_ENC(NAME_NTH(2), 123),
7209 /* [3] full enum 'e2' before fwd */
7210 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7211 BTF_ENUM_ENC(NAME_NTH(4), 456),
7212 /* [4] fwd enum 'e2' after full enum */
7213 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
7214 /* [5] fwd enum with different size, size does not matter for fwd */
7215 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1),
7216 /* [6] incompatible full enum with different value */
7217 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7218 BTF_ENUM_ENC(NAME_NTH(2), 321),
7219 BTF_END_RAW,
7220 },
7221 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7222 },
7223 .expect = {
7224 .raw_types = {
7225 /* [1] full enum 'e1' */
7226 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7227 BTF_ENUM_ENC(NAME_NTH(2), 123),
7228 /* [2] full enum 'e2' */
7229 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7230 BTF_ENUM_ENC(NAME_NTH(4), 456),
7231 /* [3] incompatible full enum with different value */
7232 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7233 BTF_ENUM_ENC(NAME_NTH(2), 321),
7234 BTF_END_RAW,
7235 },
7236 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7237 },
7238},
7239{
7240 .descr = "dedup: datasec and vars pass-through",
7241 .input = {
7242 .raw_types = {
7243 /* int */
7244 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7245 /* static int t */
7246 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */
7247 /* .bss section */ /* [3] */
7248 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7249 BTF_VAR_SECINFO_ENC(2, 0, 4),
7250 /* int, referenced from [5] */
7251 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */
7252 /* another static int t */
7253 BTF_VAR_ENC(NAME_NTH(2), 4, 0), /* [5] */
7254 /* another .bss section */ /* [6] */
7255 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7256 BTF_VAR_SECINFO_ENC(5, 0, 4),
7257 BTF_END_RAW,
7258 },
7259 BTF_STR_SEC("\0.bss\0t"),
7260 },
7261 .expect = {
7262 .raw_types = {
7263 /* int */
7264 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7265 /* static int t */
7266 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */
7267 /* .bss section */ /* [3] */
7268 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7269 BTF_VAR_SECINFO_ENC(2, 0, 4),
7270 /* another static int t */
7271 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [4] */
7272 /* another .bss section */ /* [5] */
7273 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4),
7274 BTF_VAR_SECINFO_ENC(4, 0, 4),
7275 BTF_END_RAW,
7276 },
7277 BTF_STR_SEC("\0.bss\0t"),
7278 },
7279 .opts = {
7280 .force_collisions = true
7281 },
7282},
7283{
7284 .descr = "dedup: func/func_arg/var tags",
7285 .input = {
7286 .raw_types = {
7287 /* int */
7288 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7289 /* static int t */
7290 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */
7291 /* void f(int a1, int a2) */
7292 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
7293 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7294 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1),
7295 BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */
7296 /* tag -> t */
7297 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */
7298 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [6] */
7299 /* tag -> func */
7300 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [7] */
7301 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [8] */
7302 /* tag -> func arg a1 */
7303 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [9] */
7304 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [10] */
7305 BTF_END_RAW,
7306 },
7307 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"),
7308 },
7309 .expect = {
7310 .raw_types = {
7311 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7312 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */
7313 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */
7314 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7315 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1),
7316 BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */
7317 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */
7318 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [6] */
7319 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [7] */
7320 BTF_END_RAW,
7321 },
7322 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"),
7323 },
7324},
7325{
7326 .descr = "dedup: func/func_param tags",
7327 .input = {
7328 .raw_types = {
7329 /* int */
7330 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7331 /* void f(int a1, int a2) */
7332 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
7333 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
7334 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7335 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */
7336 /* void f(int a1, int a2) */
7337 BTF_FUNC_PROTO_ENC(0, 2), /* [4] */
7338 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
7339 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7340 BTF_FUNC_ENC(NAME_NTH(3), 4), /* [5] */
7341 /* tag -> f: tag1, tag2 */
7342 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [6] */
7343 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [7] */
7344 /* tag -> f/a2: tag1, tag2 */
7345 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [8] */
7346 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [9] */
7347 /* tag -> f: tag1, tag3 */
7348 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, -1), /* [10] */
7349 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, -1), /* [11] */
7350 /* tag -> f/a2: tag1, tag3 */
7351 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, 1), /* [12] */
7352 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, 1), /* [13] */
7353 BTF_END_RAW,
7354 },
7355 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"),
7356 },
7357 .expect = {
7358 .raw_types = {
7359 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7360 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */
7361 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1),
7362 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1),
7363 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */
7364 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [4] */
7365 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [5] */
7366 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [6] */
7367 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [7] */
7368 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [8] */
7369 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [9] */
7370 BTF_END_RAW,
7371 },
7372 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"),
7373 },
7374},
7375{
7376 .descr = "dedup: struct/struct_member tags",
7377 .input = {
7378 .raw_types = {
7379 /* int */
7380 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7381 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */
7382 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0),
7383 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32),
7384 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [3] */
7385 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0),
7386 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32),
7387 /* tag -> t: tag1, tag2 */
7388 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [4] */
7389 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */
7390 /* tag -> t/m2: tag1, tag2 */
7391 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */
7392 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */
7393 /* tag -> t: tag1, tag3 */
7394 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [8] */
7395 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [9] */
7396 /* tag -> t/m2: tag1, tag3 */
7397 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [10] */
7398 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [11] */
7399 BTF_END_RAW,
7400 },
7401 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
7402 },
7403 .expect = {
7404 .raw_types = {
7405 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7406 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */
7407 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0),
7408 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32),
7409 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [3] */
7410 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [4] */
7411 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, -1), /* [5] */
7412 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */
7413 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */
7414 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, 1), /* [8] */
7415 BTF_END_RAW,
7416 },
7417 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"),
7418 },
7419},
7420{
7421 .descr = "dedup: typedef tags",
7422 .input = {
7423 .raw_types = {
7424 /* int */
7425 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7426 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */
7427 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [3] */
7428 /* tag -> t: tag1, tag2 */
7429 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [4] */
7430 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [5] */
7431 /* tag -> t: tag1, tag3 */
7432 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [6] */
7433 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [7] */
7434 BTF_END_RAW,
7435 },
7436 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"),
7437 },
7438 .expect = {
7439 .raw_types = {
7440 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7441 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */
7442 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [3] */
7443 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [4] */
7444 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [5] */
7445 BTF_END_RAW,
7446 },
7447 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"),
7448 },
7449},
7450{
7451 .descr = "dedup: btf_type_tag #1",
7452 .input = {
7453 .raw_types = {
7454 /* ptr -> tag2 -> tag1 -> int */
7455 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7456 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7457 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7458 BTF_PTR_ENC(3), /* [4] */
7459 /* ptr -> tag2 -> tag1 -> int */
7460 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [5] */
7461 BTF_TYPE_TAG_ENC(NAME_NTH(2), 5), /* [6] */
7462 BTF_PTR_ENC(6), /* [7] */
7463 /* ptr -> tag1 -> int */
7464 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [8] */
7465 BTF_PTR_ENC(8), /* [9] */
7466 BTF_END_RAW,
7467 },
7468 BTF_STR_SEC("\0tag1\0tag2"),
7469 },
7470 .expect = {
7471 .raw_types = {
7472 /* ptr -> tag2 -> tag1 -> int */
7473 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7474 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7475 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7476 BTF_PTR_ENC(3), /* [4] */
7477 /* ptr -> tag1 -> int */
7478 BTF_PTR_ENC(2), /* [5] */
7479 BTF_END_RAW,
7480 },
7481 BTF_STR_SEC("\0tag1\0tag2"),
7482 },
7483},
7484{
7485 .descr = "dedup: btf_type_tag #2",
7486 .input = {
7487 .raw_types = {
7488 /* ptr -> tag2 -> tag1 -> int */
7489 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7490 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7491 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7492 BTF_PTR_ENC(3), /* [4] */
7493 /* ptr -> tag2 -> int */
7494 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7495 BTF_PTR_ENC(5), /* [6] */
7496 BTF_END_RAW,
7497 },
7498 BTF_STR_SEC("\0tag1\0tag2"),
7499 },
7500 .expect = {
7501 .raw_types = {
7502 /* ptr -> tag2 -> tag1 -> int */
7503 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7504 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7505 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7506 BTF_PTR_ENC(3), /* [4] */
7507 /* ptr -> tag2 -> int */
7508 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7509 BTF_PTR_ENC(5), /* [6] */
7510 BTF_END_RAW,
7511 },
7512 BTF_STR_SEC("\0tag1\0tag2"),
7513 },
7514},
7515{
7516 .descr = "dedup: btf_type_tag #3",
7517 .input = {
7518 .raw_types = {
7519 /* ptr -> tag2 -> tag1 -> int */
7520 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7521 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7522 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7523 BTF_PTR_ENC(3), /* [4] */
7524 /* ptr -> tag1 -> tag2 -> int */
7525 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7526 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */
7527 BTF_PTR_ENC(6), /* [7] */
7528 BTF_END_RAW,
7529 },
7530 BTF_STR_SEC("\0tag1\0tag2"),
7531 },
7532 .expect = {
7533 .raw_types = {
7534 /* ptr -> tag2 -> tag1 -> int */
7535 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7536 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7537 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */
7538 BTF_PTR_ENC(3), /* [4] */
7539 /* ptr -> tag1 -> tag2 -> int */
7540 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */
7541 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */
7542 BTF_PTR_ENC(6), /* [7] */
7543 BTF_END_RAW,
7544 },
7545 BTF_STR_SEC("\0tag1\0tag2"),
7546 },
7547},
7548{
7549 .descr = "dedup: btf_type_tag #4",
7550 .input = {
7551 .raw_types = {
7552 /* ptr -> tag1 -> int */
7553 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7554 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7555 BTF_PTR_ENC(2), /* [3] */
7556 /* ptr -> tag1 -> long */
7557 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */
7558 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */
7559 BTF_PTR_ENC(5), /* [6] */
7560 BTF_END_RAW,
7561 },
7562 BTF_STR_SEC("\0tag1"),
7563 },
7564 .expect = {
7565 .raw_types = {
7566 /* ptr -> tag1 -> int */
7567 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7568 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7569 BTF_PTR_ENC(2), /* [3] */
7570 /* ptr -> tag1 -> long */
7571 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */
7572 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */
7573 BTF_PTR_ENC(5), /* [6] */
7574 BTF_END_RAW,
7575 },
7576 BTF_STR_SEC("\0tag1"),
7577 },
7578},
7579{
7580 .descr = "dedup: btf_type_tag #5, struct",
7581 .input = {
7582 .raw_types = {
7583 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */
7584 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */
7585 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */
7586 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)),
7587 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [4] */
7588 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [5] */
7589 BTF_MEMBER_ENC(NAME_NTH(3), 4, BTF_MEMBER_OFFSET(0, 0)),
7590 BTF_END_RAW,
7591 },
7592 BTF_STR_SEC("\0tag1\0t\0m"),
7593 },
7594 .expect = {
7595 .raw_types = {
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_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */
7599 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)),
7600 BTF_END_RAW,
7601 },
7602 BTF_STR_SEC("\0tag1\0t\0m"),
7603 },
7604},
7605{
7606 .descr = "dedup: enum64, standalone",
7607 .input = {
7608 .raw_types = {
7609 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7610 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7611 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7612 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7613 BTF_END_RAW,
7614 },
7615 BTF_STR_SEC("\0e1\0e1_val"),
7616 },
7617 .expect = {
7618 .raw_types = {
7619 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7620 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7621 BTF_END_RAW,
7622 },
7623 BTF_STR_SEC("\0e1\0e1_val"),
7624 },
7625},
7626{
7627 .descr = "dedup: enum64, fwd resolution",
7628 .input = {
7629 .raw_types = {
7630 /* [1] fwd enum64 'e1' before full enum */
7631 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8),
7632 /* [2] full enum64 'e1' after fwd */
7633 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7634 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7635 /* [3] full enum64 'e2' before fwd */
7636 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7637 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456),
7638 /* [4] fwd enum64 'e2' after full enum */
7639 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8),
7640 /* [5] incompatible full enum64 with different value */
7641 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7642 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321),
7643 BTF_END_RAW,
7644 },
7645 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7646 },
7647 .expect = {
7648 .raw_types = {
7649 /* [1] full enum64 'e1' */
7650 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7651 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123),
7652 /* [2] full enum64 'e2' */
7653 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7654 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456),
7655 /* [3] incompatible full enum64 with different value */
7656 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7657 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321),
7658 BTF_END_RAW,
7659 },
7660 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"),
7661 },
7662},
7663{
7664 .descr = "dedup: enum and enum64, no dedup",
7665 .input = {
7666 .raw_types = {
7667 /* [1] enum 'e1' */
7668 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7669 BTF_ENUM_ENC(NAME_NTH(2), 1),
7670 /* [2] enum64 'e1' */
7671 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4),
7672 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7673 BTF_END_RAW,
7674 },
7675 BTF_STR_SEC("\0e1\0e1_val"),
7676 },
7677 .expect = {
7678 .raw_types = {
7679 /* [1] enum 'e1' */
7680 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7681 BTF_ENUM_ENC(NAME_NTH(2), 1),
7682 /* [2] enum64 'e1' */
7683 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4),
7684 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7685 BTF_END_RAW,
7686 },
7687 BTF_STR_SEC("\0e1\0e1_val"),
7688 },
7689},
7690{
7691 .descr = "dedup: enum of different size: no dedup",
7692 .input = {
7693 .raw_types = {
7694 /* [1] enum 'e1' */
7695 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7696 BTF_ENUM_ENC(NAME_NTH(2), 1),
7697 /* [2] enum 'e1' */
7698 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2),
7699 BTF_ENUM_ENC(NAME_NTH(2), 1),
7700 BTF_END_RAW,
7701 },
7702 BTF_STR_SEC("\0e1\0e1_val"),
7703 },
7704 .expect = {
7705 .raw_types = {
7706 /* [1] enum 'e1' */
7707 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7708 BTF_ENUM_ENC(NAME_NTH(2), 1),
7709 /* [2] enum 'e1' */
7710 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2),
7711 BTF_ENUM_ENC(NAME_NTH(2), 1),
7712 BTF_END_RAW,
7713 },
7714 BTF_STR_SEC("\0e1\0e1_val"),
7715 },
7716},
7717{
7718 .descr = "dedup: enum fwd to enum64",
7719 .input = {
7720 .raw_types = {
7721 /* [1] enum64 'e1' */
7722 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7723 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7724 /* [2] enum 'e1' fwd */
7725 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4),
7726 /* [3] typedef enum 'e1' td */
7727 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2),
7728 BTF_END_RAW,
7729 },
7730 BTF_STR_SEC("\0e1\0e1_val\0td"),
7731 },
7732 .expect = {
7733 .raw_types = {
7734 /* [1] enum64 'e1' */
7735 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8),
7736 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0),
7737 /* [2] typedef enum 'e1' td */
7738 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1),
7739 BTF_END_RAW,
7740 },
7741 BTF_STR_SEC("\0e1\0e1_val\0td"),
7742 },
7743},
7744{
7745 .descr = "dedup: enum64 fwd to enum",
7746 .input = {
7747 .raw_types = {
7748 /* [1] enum 'e1' */
7749 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7750 BTF_ENUM_ENC(NAME_NTH(2), 1),
7751 /* [2] enum64 'e1' fwd */
7752 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8),
7753 /* [3] typedef enum 'e1' td */
7754 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2),
7755 BTF_END_RAW,
7756 },
7757 BTF_STR_SEC("\0e1\0e1_val\0td"),
7758 },
7759 .expect = {
7760 .raw_types = {
7761 /* [1] enum 'e1' */
7762 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4),
7763 BTF_ENUM_ENC(NAME_NTH(2), 1),
7764 /* [2] typedef enum 'e1' td */
7765 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1),
7766 BTF_END_RAW,
7767 },
7768 BTF_STR_SEC("\0e1\0e1_val\0td"),
7769 },
7770},
7771{
7772 .descr = "dedup: standalone fwd declaration struct",
7773 /*
7774 * Verify that CU1:foo and CU2:foo would be unified and that
7775 * typedef/ptr would be updated to point to CU1:foo.
7776 *
7777 * // CU 1:
7778 * struct foo { int x; };
7779 *
7780 * // CU 2:
7781 * struct foo;
7782 * typedef struct foo *foo_ptr;
7783 */
7784 .input = {
7785 .raw_types = {
7786 /* CU 1 */
7787 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7788 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7789 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7790 /* CU 2 */
7791 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */
7792 BTF_PTR_ENC(3), /* [4] */
7793 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7794 BTF_END_RAW,
7795 },
7796 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7797 },
7798 .expect = {
7799 .raw_types = {
7800 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7801 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7802 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7803 BTF_PTR_ENC(1), /* [3] */
7804 BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */
7805 BTF_END_RAW,
7806 },
7807 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7808 },
7809},
7810{
7811 .descr = "dedup: standalone fwd declaration union",
7812 /*
7813 * Verify that CU1:foo and CU2:foo would be unified and that
7814 * typedef/ptr would be updated to point to CU1:foo.
7815 * Same as "dedup: standalone fwd declaration struct" but for unions.
7816 *
7817 * // CU 1:
7818 * union foo { int x; };
7819 *
7820 * // CU 2:
7821 * union foo;
7822 * typedef union foo *foo_ptr;
7823 */
7824 .input = {
7825 .raw_types = {
7826 /* CU 1 */
7827 BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */
7828 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7829 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7830 /* CU 2 */
7831 BTF_FWD_ENC(NAME_TBD, 1), /* [3] */
7832 BTF_PTR_ENC(3), /* [4] */
7833 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7834 BTF_END_RAW,
7835 },
7836 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7837 },
7838 .expect = {
7839 .raw_types = {
7840 BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */
7841 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7842 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7843 BTF_PTR_ENC(1), /* [3] */
7844 BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */
7845 BTF_END_RAW,
7846 },
7847 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7848 },
7849},
7850{
7851 .descr = "dedup: standalone fwd declaration wrong kind",
7852 /*
7853 * Negative test for btf_dedup_resolve_fwds:
7854 * - CU1:foo is a struct, C2:foo is a union, thus CU2:foo is not deduped;
7855 * - typedef/ptr should remain unchanged as well.
7856 *
7857 * // CU 1:
7858 * struct foo { int x; };
7859 *
7860 * // CU 2:
7861 * union foo;
7862 * typedef union foo *foo_ptr;
7863 */
7864 .input = {
7865 .raw_types = {
7866 /* CU 1 */
7867 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7868 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7869 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7870 /* CU 2 */
7871 BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */
7872 BTF_PTR_ENC(3), /* [4] */
7873 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7874 BTF_END_RAW,
7875 },
7876 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7877 },
7878 .expect = {
7879 .raw_types = {
7880 /* CU 1 */
7881 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7882 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7883 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7884 /* CU 2 */
7885 BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */
7886 BTF_PTR_ENC(3), /* [4] */
7887 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */
7888 BTF_END_RAW,
7889 },
7890 BTF_STR_SEC("\0foo\0x\0foo_ptr"),
7891 },
7892},
7893{
7894 .descr = "dedup: standalone fwd declaration name conflict",
7895 /*
7896 * Negative test for btf_dedup_resolve_fwds:
7897 * - two candidates for CU2:foo dedup, thus it is unchanged;
7898 * - typedef/ptr should remain unchanged as well.
7899 *
7900 * // CU 1:
7901 * struct foo { int x; };
7902 *
7903 * // CU 2:
7904 * struct foo;
7905 * typedef struct foo *foo_ptr;
7906 *
7907 * // CU 3:
7908 * struct foo { int x; int y; };
7909 */
7910 .input = {
7911 .raw_types = {
7912 /* CU 1 */
7913 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7914 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7915 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7916 /* CU 2 */
7917 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */
7918 BTF_PTR_ENC(3), /* [4] */
7919 BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */
7920 /* CU 3 */
7921 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */
7922 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7923 BTF_MEMBER_ENC(NAME_NTH(3), 2, 0),
7924 BTF_END_RAW,
7925 },
7926 BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"),
7927 },
7928 .expect = {
7929 .raw_types = {
7930 /* CU 1 */
7931 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */
7932 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7933 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */
7934 /* CU 2 */
7935 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */
7936 BTF_PTR_ENC(3), /* [4] */
7937 BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */
7938 /* CU 3 */
7939 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */
7940 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0),
7941 BTF_MEMBER_ENC(NAME_NTH(3), 2, 0),
7942 BTF_END_RAW,
7943 },
7944 BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"),
7945 },
7946},
7947};
7948
7949static int btf_type_size(const struct btf_type *t)
7950{
7951 int base_size = sizeof(struct btf_type);
7952 __u16 vlen = BTF_INFO_VLEN(t->info);
7953 __u16 kind = BTF_INFO_KIND(t->info);
7954
7955 switch (kind) {
7956 case BTF_KIND_FWD:
7957 case BTF_KIND_CONST:
7958 case BTF_KIND_VOLATILE:
7959 case BTF_KIND_RESTRICT:
7960 case BTF_KIND_PTR:
7961 case BTF_KIND_TYPEDEF:
7962 case BTF_KIND_FUNC:
7963 case BTF_KIND_FLOAT:
7964 case BTF_KIND_TYPE_TAG:
7965 return base_size;
7966 case BTF_KIND_INT:
7967 return base_size + sizeof(__u32);
7968 case BTF_KIND_ENUM:
7969 return base_size + vlen * sizeof(struct btf_enum);
7970 case BTF_KIND_ENUM64:
7971 return base_size + vlen * sizeof(struct btf_enum64);
7972 case BTF_KIND_ARRAY:
7973 return base_size + sizeof(struct btf_array);
7974 case BTF_KIND_STRUCT:
7975 case BTF_KIND_UNION:
7976 return base_size + vlen * sizeof(struct btf_member);
7977 case BTF_KIND_FUNC_PROTO:
7978 return base_size + vlen * sizeof(struct btf_param);
7979 case BTF_KIND_VAR:
7980 return base_size + sizeof(struct btf_var);
7981 case BTF_KIND_DATASEC:
7982 return base_size + vlen * sizeof(struct btf_var_secinfo);
7983 case BTF_KIND_DECL_TAG:
7984 return base_size + sizeof(struct btf_decl_tag);
7985 default:
7986 fprintf(stderr, "Unsupported BTF_KIND:%u\n", kind);
7987 return -EINVAL;
7988 }
7989}
7990
7991static void dump_btf_strings(const char *strs, __u32 len)
7992{
7993 const char *cur = strs;
7994 int i = 0;
7995
7996 while (cur < strs + len) {
7997 fprintf(stderr, "string #%d: '%s'\n", i, cur);
7998 cur += strlen(cur) + 1;
7999 i++;
8000 }
8001}
8002
8003static void do_test_dedup(unsigned int test_num)
8004{
8005 struct btf_dedup_test *test = &dedup_tests[test_num - 1];
8006 __u32 test_nr_types, expect_nr_types, test_btf_size, expect_btf_size;
8007 const struct btf_header *test_hdr, *expect_hdr;
8008 struct btf *test_btf = NULL, *expect_btf = NULL;
8009 const void *test_btf_data, *expect_btf_data;
8010 const char *ret_test_next_str, *ret_expect_next_str;
8011 const char *test_strs, *expect_strs;
8012 const char *test_str_cur;
8013 const char *expect_str_cur, *expect_str_end;
8014 unsigned int raw_btf_size;
8015 void *raw_btf;
8016 int err = 0, i;
8017
8018 if (!test__start_subtest(test->descr))
8019 return;
8020
8021 raw_btf = btf_raw_create(&hdr_tmpl, test->input.raw_types,
8022 test->input.str_sec, test->input.str_sec_size,
8023 &raw_btf_size, &ret_test_next_str);
8024 if (!raw_btf)
8025 return;
8026
8027 test_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
8028 err = libbpf_get_error(test_btf);
8029 free(raw_btf);
8030 if (CHECK(err, "invalid test_btf errno:%d", err)) {
8031 err = -1;
8032 goto done;
8033 }
8034
8035 raw_btf = btf_raw_create(&hdr_tmpl, test->expect.raw_types,
8036 test->expect.str_sec,
8037 test->expect.str_sec_size,
8038 &raw_btf_size, &ret_expect_next_str);
8039 if (!raw_btf)
8040 return;
8041 expect_btf = btf__new((__u8 *)raw_btf, raw_btf_size);
8042 err = libbpf_get_error(expect_btf);
8043 free(raw_btf);
8044 if (CHECK(err, "invalid expect_btf errno:%d", err)) {
8045 err = -1;
8046 goto done;
8047 }
8048
8049 test->opts.sz = sizeof(test->opts);
8050 err = btf__dedup(test_btf, &test->opts);
8051 if (CHECK(err, "btf_dedup failed errno:%d", err)) {
8052 err = -1;
8053 goto done;
8054 }
8055
8056 test_btf_data = btf__raw_data(test_btf, &test_btf_size);
8057 expect_btf_data = btf__raw_data(expect_btf, &expect_btf_size);
8058 if (CHECK(test_btf_size != expect_btf_size,
8059 "test_btf_size:%u != expect_btf_size:%u",
8060 test_btf_size, expect_btf_size)) {
8061 err = -1;
8062 goto done;
8063 }
8064
8065 test_hdr = test_btf_data;
8066 test_strs = test_btf_data + sizeof(*test_hdr) + test_hdr->str_off;
8067 expect_hdr = expect_btf_data;
8068 expect_strs = expect_btf_data + sizeof(*test_hdr) + expect_hdr->str_off;
8069 if (CHECK(test_hdr->str_len != expect_hdr->str_len,
8070 "test_hdr->str_len:%u != expect_hdr->str_len:%u",
8071 test_hdr->str_len, expect_hdr->str_len)) {
8072 fprintf(stderr, "\ntest strings:\n");
8073 dump_btf_strings(test_strs, test_hdr->str_len);
8074 fprintf(stderr, "\nexpected strings:\n");
8075 dump_btf_strings(expect_strs, expect_hdr->str_len);
8076 err = -1;
8077 goto done;
8078 }
8079
8080 expect_str_cur = expect_strs;
8081 expect_str_end = expect_strs + expect_hdr->str_len;
8082 while (expect_str_cur < expect_str_end) {
8083 size_t test_len, expect_len;
8084 int off;
8085
8086 off = btf__find_str(test_btf, expect_str_cur);
8087 if (CHECK(off < 0, "exp str '%s' not found: %d\n", expect_str_cur, off)) {
8088 err = -1;
8089 goto done;
8090 }
8091 test_str_cur = btf__str_by_offset(test_btf, off);
8092
8093 test_len = strlen(test_str_cur);
8094 expect_len = strlen(expect_str_cur);
8095 if (CHECK(test_len != expect_len,
8096 "test_len:%zu != expect_len:%zu "
8097 "(test_str:%s, expect_str:%s)",
8098 test_len, expect_len, test_str_cur, expect_str_cur)) {
8099 err = -1;
8100 goto done;
8101 }
8102 if (CHECK(strcmp(test_str_cur, expect_str_cur),
8103 "test_str:%s != expect_str:%s",
8104 test_str_cur, expect_str_cur)) {
8105 err = -1;
8106 goto done;
8107 }
8108 expect_str_cur += expect_len + 1;
8109 }
8110
8111 test_nr_types = btf__type_cnt(test_btf);
8112 expect_nr_types = btf__type_cnt(expect_btf);
8113 if (CHECK(test_nr_types != expect_nr_types,
8114 "test_nr_types:%u != expect_nr_types:%u",
8115 test_nr_types, expect_nr_types)) {
8116 err = -1;
8117 goto done;
8118 }
8119
8120 for (i = 1; i < test_nr_types; i++) {
8121 const struct btf_type *test_type, *expect_type;
8122 int test_size, expect_size;
8123
8124 test_type = btf__type_by_id(test_btf, i);
8125 expect_type = btf__type_by_id(expect_btf, i);
8126 test_size = btf_type_size(test_type);
8127 expect_size = btf_type_size(expect_type);
8128
8129 if (CHECK(test_size != expect_size,
8130 "type #%d: test_size:%d != expect_size:%u",
8131 i, test_size, expect_size)) {
8132 err = -1;
8133 goto done;
8134 }
8135 if (CHECK(btf_kind(test_type) != btf_kind(expect_type),
8136 "type %d kind: exp %d != got %u\n",
8137 i, btf_kind(expect_type), btf_kind(test_type))) {
8138 err = -1;
8139 goto done;
8140 }
8141 if (CHECK(test_type->info != expect_type->info,
8142 "type %d info: exp %d != got %u\n",
8143 i, expect_type->info, test_type->info)) {
8144 err = -1;
8145 goto done;
8146 }
8147 if (CHECK(test_type->size != expect_type->size,
8148 "type %d size/type: exp %d != got %u\n",
8149 i, expect_type->size, test_type->size)) {
8150 err = -1;
8151 goto done;
8152 }
8153 }
8154
8155done:
8156 btf__free(test_btf);
8157 btf__free(expect_btf);
8158}
8159
8160void test_btf(void)
8161{
8162 int i;
8163
8164 always_log = env.verbosity > VERBOSE_NONE;
8165
8166 for (i = 1; i <= ARRAY_SIZE(raw_tests); i++)
8167 do_test_raw(i);
8168 for (i = 1; i <= ARRAY_SIZE(get_info_tests); i++)
8169 do_test_get_info(i);
8170 for (i = 1; i <= ARRAY_SIZE(file_tests); i++)
8171 do_test_file(i);
8172 for (i = 1; i <= ARRAY_SIZE(info_raw_tests); i++)
8173 do_test_info_raw(i);
8174 for (i = 1; i <= ARRAY_SIZE(dedup_tests); i++)
8175 do_test_dedup(i);
8176 test_pprint();
8177}