FILE
btf.c
File preview with syntax highlighting.
linux-6.19.14/tools/testing/selftests/bpf/prog_tests/btf.c
1/* SPDX-License-Identifier: GPL-2.0 */ 2/* Copyright (c) 2018 Facebook */ 3 4#include <linux/bpf.h> 5#include <linux/btf.h> 6#include <linux/err.h> 7#include <linux/kernel.h> 8#include <linux/filter.h> 9#include <linux/unistd.h> 10#include <bpf/bpf.h> 11#include <libelf.h> 12#include <gelf.h> 13#include <string.h> 14#include <stdlib.h> 15#include <stdio.h> 16#include <stdarg.h> 17#include <unistd.h> 18#include <fcntl.h> 19#include <errno.h> 20#include <assert.h> 21#include <bpf/libbpf.h> 22#include <bpf/btf.h> 23 24#include "bpf_util.h" 25#include "../test_btf.h" 26#include "test_progs.h" 27 28#define MAX_INSNS 512 29#define MAX_SUBPROGS 16 30 31static int duration = 0; 32static bool always_log; 33 34#undef CHECK 35#define CHECK(condition, format...) _CHECK(condition, "check", duration, format) 36 37#define NAME_TBD 0xdeadb33f 38 39#define NAME_NTH(N) (0xfffe0000 | N) 40#define IS_NAME_NTH(X) ((X & 0xffff0000) == 0xfffe0000) 41#define GET_NAME_NTH_IDX(X) (X & 0x0000ffff) 42 43#define MAX_NR_RAW_U32 1024 44#define BTF_LOG_BUF_SIZE 65535 45 46static char btf_log_buf[BTF_LOG_BUF_SIZE]; 47 48static struct btf_header hdr_tmpl = { 49 .magic = BTF_MAGIC, 50 .version = BTF_VERSION, 51 .hdr_len = sizeof(struct btf_header), 52}; 53 54/* several different mapv kinds(types) supported by pprint */ 55enum pprint_mapv_kind_t { 56 PPRINT_MAPV_KIND_BASIC = 0, 57 PPRINT_MAPV_KIND_INT128, 58}; 59 60struct btf_raw_test { 61 const char *descr; 62 const char *str_sec; 63 const char *map_name; 64 const char *err_str; 65 __u32 raw_types[MAX_NR_RAW_U32]; 66 __u32 str_sec_size; 67 enum bpf_map_type map_type; 68 __u32 key_size; 69 __u32 value_size; 70 __u32 key_type_id; 71 __u32 value_type_id; 72 __u32 max_entries; 73 bool btf_load_err; 74 bool map_create_err; 75 bool ordered_map; 76 bool lossless_map; 77 bool percpu_map; 78 int hdr_len_delta; 79 int type_off_delta; 80 int str_off_delta; 81 int str_len_delta; 82 enum pprint_mapv_kind_t mapv_kind; 83}; 84 85#define BTF_STR_SEC(str) \ 86 .str_sec = str, .str_sec_size = sizeof(str) 87 88static struct btf_raw_test raw_tests[] = { 89/* enum E { 90 * E0, 91 * E1, 92 * }; 93 * 94 * struct A { 95 * unsigned long long m; 96 * int n; 97 * char o; 98 * [3 bytes hole] 99 * int p[8]; 100 * int q[4][8]; 101 * enum E r; 102 * }; 103 */ 104{ 105 .descr = "struct test #1", 106 .raw_types = { 107 /* int */ 108 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 109 /* unsigned long long */ 110 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 111 /* char */ 112 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 113 /* int[8] */ 114 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 115 /* struct A { */ /* [5] */ 116 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 6), 180), 117 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 118 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 119 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 120 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 121 BTF_MEMBER_ENC(NAME_TBD, 6, 384),/* int q[4][8] */ 122 BTF_MEMBER_ENC(NAME_TBD, 7, 1408), /* enum E r */ 123 /* } */ 124 /* int[4][8] */ 125 BTF_TYPE_ARRAY_ENC(4, 1, 4), /* [6] */ 126 /* enum E */ /* [7] */ 127 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)), 128 BTF_ENUM_ENC(NAME_TBD, 0), 129 BTF_ENUM_ENC(NAME_TBD, 1), 130 BTF_END_RAW, 131 }, 132 .str_sec = "\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1", 133 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1"), 134 .map_type = BPF_MAP_TYPE_ARRAY, 135 .map_name = "struct_test1_map", 136 .key_size = sizeof(int), 137 .value_size = 180, 138 .key_type_id = 1, 139 .value_type_id = 5, 140 .max_entries = 4, 141}, 142 143/* typedef struct b Struct_B; 144 * 145 * struct A { 146 * int m; 147 * struct b n[4]; 148 * const Struct_B o[4]; 149 * }; 150 * 151 * struct B { 152 * int m; 153 * int n; 154 * }; 155 */ 156{ 157 .descr = "struct test #2", 158 .raw_types = { 159 /* int */ /* [1] */ 160 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 161 /* struct b [4] */ /* [2] */ 162 BTF_TYPE_ARRAY_ENC(4, 1, 4), 163 164 /* struct A { */ /* [3] */ 165 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 3), 68), 166 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 167 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct B n[4] */ 168 BTF_MEMBER_ENC(NAME_TBD, 8, 288),/* const Struct_B o[4];*/ 169 /* } */ 170 171 /* struct B { */ /* [4] */ 172 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), 173 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 174 BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */ 175 /* } */ 176 177 /* const int */ /* [5] */ 178 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), 179 /* typedef struct b Struct_B */ /* [6] */ 180 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 4), 181 /* const Struct_B */ /* [7] */ 182 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 6), 183 /* const Struct_B [4] */ /* [8] */ 184 BTF_TYPE_ARRAY_ENC(7, 1, 4), 185 BTF_END_RAW, 186 }, 187 .str_sec = "\0A\0m\0n\0o\0B\0m\0n\0Struct_B", 188 .str_sec_size = sizeof("\0A\0m\0n\0o\0B\0m\0n\0Struct_B"), 189 .map_type = BPF_MAP_TYPE_ARRAY, 190 .map_name = "struct_test2_map", 191 .key_size = sizeof(int), 192 .value_size = 68, 193 .key_type_id = 1, 194 .value_type_id = 3, 195 .max_entries = 4, 196}, 197{ 198 .descr = "struct test #3 Invalid member offset", 199 .raw_types = { 200 /* int */ /* [1] */ 201 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 202 /* int64 */ /* [2] */ 203 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), 204 205 /* struct A { */ /* [3] */ 206 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 16), 207 BTF_MEMBER_ENC(NAME_TBD, 1, 64), /* int m; */ 208 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* int64 n; */ 209 /* } */ 210 BTF_END_RAW, 211 }, 212 .str_sec = "\0A\0m\0n\0", 213 .str_sec_size = sizeof("\0A\0m\0n\0"), 214 .map_type = BPF_MAP_TYPE_ARRAY, 215 .map_name = "struct_test3_map", 216 .key_size = sizeof(int), 217 .value_size = 16, 218 .key_type_id = 1, 219 .value_type_id = 3, 220 .max_entries = 4, 221 .btf_load_err = true, 222 .err_str = "Invalid member bits_offset", 223}, 224/* 225 * struct A { 226 * unsigned long long m; 227 * int n; 228 * char o; 229 * [3 bytes hole] 230 * int p[8]; 231 * }; 232 */ 233{ 234 .descr = "global data test #1", 235 .raw_types = { 236 /* int */ 237 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 238 /* unsigned long long */ 239 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 240 /* char */ 241 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 242 /* int[8] */ 243 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 244 /* struct A { */ /* [5] */ 245 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 246 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 247 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 248 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 249 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 250 /* } */ 251 BTF_END_RAW, 252 }, 253 .str_sec = "\0A\0m\0n\0o\0p", 254 .str_sec_size = sizeof("\0A\0m\0n\0o\0p"), 255 .map_type = BPF_MAP_TYPE_ARRAY, 256 .map_name = "struct_test1_map", 257 .key_size = sizeof(int), 258 .value_size = 48, 259 .key_type_id = 1, 260 .value_type_id = 5, 261 .max_entries = 4, 262}, 263/* 264 * struct A { 265 * unsigned long long m; 266 * int n; 267 * char o; 268 * [3 bytes hole] 269 * int p[8]; 270 * }; 271 * static struct A t; <- in .bss 272 */ 273{ 274 .descr = "global data test #2", 275 .raw_types = { 276 /* int */ 277 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 278 /* unsigned long long */ 279 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 280 /* char */ 281 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 282 /* int[8] */ 283 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 284 /* struct A { */ /* [5] */ 285 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 286 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 287 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 288 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 289 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 290 /* } */ 291 /* static struct A t */ 292 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 293 /* .bss section */ /* [7] */ 294 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48), 295 BTF_VAR_SECINFO_ENC(6, 0, 48), 296 BTF_END_RAW, 297 }, 298 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", 299 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), 300 .map_type = BPF_MAP_TYPE_ARRAY, 301 .map_name = ".bss", 302 .key_size = sizeof(int), 303 .value_size = 48, 304 .key_type_id = 0, 305 .value_type_id = 7, 306 .max_entries = 1, 307}, 308{ 309 .descr = "global data test #3", 310 .raw_types = { 311 /* int */ 312 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 313 /* static int t */ 314 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 315 /* .bss section */ /* [3] */ 316 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 317 BTF_VAR_SECINFO_ENC(2, 0, 4), 318 BTF_END_RAW, 319 }, 320 .str_sec = "\0t\0.bss", 321 .str_sec_size = sizeof("\0t\0.bss"), 322 .map_type = BPF_MAP_TYPE_ARRAY, 323 .map_name = ".bss", 324 .key_size = sizeof(int), 325 .value_size = 4, 326 .key_type_id = 0, 327 .value_type_id = 3, 328 .max_entries = 1, 329}, 330{ 331 .descr = "global data test #4, unsupported linkage", 332 .raw_types = { 333 /* int */ 334 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 335 /* static int t */ 336 BTF_VAR_ENC(NAME_TBD, 1, 2), /* [2] */ 337 /* .bss section */ /* [3] */ 338 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 339 BTF_VAR_SECINFO_ENC(2, 0, 4), 340 BTF_END_RAW, 341 }, 342 .str_sec = "\0t\0.bss", 343 .str_sec_size = sizeof("\0t\0.bss"), 344 .map_type = BPF_MAP_TYPE_ARRAY, 345 .map_name = ".bss", 346 .key_size = sizeof(int), 347 .value_size = 4, 348 .key_type_id = 0, 349 .value_type_id = 3, 350 .max_entries = 1, 351 .btf_load_err = true, 352 .err_str = "Linkage not supported", 353}, 354{ 355 .descr = "global data test #5, invalid var type", 356 .raw_types = { 357 /* static void t */ 358 BTF_VAR_ENC(NAME_TBD, 0, 0), /* [1] */ 359 /* .bss section */ /* [2] */ 360 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 361 BTF_VAR_SECINFO_ENC(1, 0, 4), 362 BTF_END_RAW, 363 }, 364 .str_sec = "\0t\0.bss", 365 .str_sec_size = sizeof("\0t\0.bss"), 366 .map_type = BPF_MAP_TYPE_ARRAY, 367 .map_name = ".bss", 368 .key_size = sizeof(int), 369 .value_size = 4, 370 .key_type_id = 0, 371 .value_type_id = 2, 372 .max_entries = 1, 373 .btf_load_err = true, 374 .err_str = "Invalid type_id", 375}, 376{ 377 .descr = "global data test #6, invalid var type (fwd type)", 378 .raw_types = { 379 /* union A */ 380 BTF_TYPE_ENC(NAME_TBD, 381 BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */ 382 /* static union A t */ 383 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 384 /* .bss section */ /* [3] */ 385 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 386 BTF_VAR_SECINFO_ENC(2, 0, 4), 387 BTF_END_RAW, 388 }, 389 .str_sec = "\0A\0t\0.bss", 390 .str_sec_size = sizeof("\0A\0t\0.bss"), 391 .map_type = BPF_MAP_TYPE_ARRAY, 392 .map_name = ".bss", 393 .key_size = sizeof(int), 394 .value_size = 4, 395 .key_type_id = 0, 396 .value_type_id = 2, 397 .max_entries = 1, 398 .btf_load_err = true, 399 .err_str = "Invalid type", 400}, 401{ 402 .descr = "global data test #7, invalid var type (fwd type)", 403 .raw_types = { 404 /* union A */ 405 BTF_TYPE_ENC(NAME_TBD, 406 BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */ 407 /* static union A t */ 408 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 409 /* .bss section */ /* [3] */ 410 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 411 BTF_VAR_SECINFO_ENC(1, 0, 4), 412 BTF_END_RAW, 413 }, 414 .str_sec = "\0A\0t\0.bss", 415 .str_sec_size = sizeof("\0A\0t\0.bss"), 416 .map_type = BPF_MAP_TYPE_ARRAY, 417 .map_name = ".bss", 418 .key_size = sizeof(int), 419 .value_size = 4, 420 .key_type_id = 0, 421 .value_type_id = 2, 422 .max_entries = 1, 423 .btf_load_err = true, 424 .err_str = "Invalid type", 425}, 426{ 427 .descr = "global data test #8, invalid var size", 428 .raw_types = { 429 /* int */ 430 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 431 /* unsigned long long */ 432 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 433 /* char */ 434 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 435 /* int[8] */ 436 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 437 /* struct A { */ /* [5] */ 438 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 439 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 440 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 441 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 442 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 443 /* } */ 444 /* static struct A t */ 445 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 446 /* .bss section */ /* [7] */ 447 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48), 448 BTF_VAR_SECINFO_ENC(6, 0, 47), 449 BTF_END_RAW, 450 }, 451 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", 452 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), 453 .map_type = BPF_MAP_TYPE_ARRAY, 454 .map_name = ".bss", 455 .key_size = sizeof(int), 456 .value_size = 48, 457 .key_type_id = 0, 458 .value_type_id = 7, 459 .max_entries = 1, 460 .btf_load_err = true, 461 .err_str = "Invalid size", 462}, 463{ 464 .descr = "global data test #9, invalid var size", 465 .raw_types = { 466 /* int */ 467 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 468 /* unsigned long long */ 469 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 470 /* char */ 471 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 472 /* int[8] */ 473 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 474 /* struct A { */ /* [5] */ 475 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 476 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 477 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 478 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 479 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 480 /* } */ 481 /* static struct A t */ 482 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 483 /* .bss section */ /* [7] */ 484 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46), 485 BTF_VAR_SECINFO_ENC(6, 0, 48), 486 BTF_END_RAW, 487 }, 488 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", 489 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), 490 .map_type = BPF_MAP_TYPE_ARRAY, 491 .map_name = ".bss", 492 .key_size = sizeof(int), 493 .value_size = 48, 494 .key_type_id = 0, 495 .value_type_id = 7, 496 .max_entries = 1, 497 .btf_load_err = true, 498 .err_str = "Invalid size", 499}, 500{ 501 .descr = "global data test #10, invalid var size", 502 .raw_types = { 503 /* int */ 504 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 505 /* unsigned long long */ 506 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 507 /* char */ 508 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 509 /* int[8] */ 510 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 511 /* struct A { */ /* [5] */ 512 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 513 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 514 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 515 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 516 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 517 /* } */ 518 /* static struct A t */ 519 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 520 /* .bss section */ /* [7] */ 521 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46), 522 BTF_VAR_SECINFO_ENC(6, 0, 46), 523 BTF_END_RAW, 524 }, 525 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", 526 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), 527 .map_type = BPF_MAP_TYPE_ARRAY, 528 .map_name = ".bss", 529 .key_size = sizeof(int), 530 .value_size = 48, 531 .key_type_id = 0, 532 .value_type_id = 7, 533 .max_entries = 1, 534 .btf_load_err = true, 535 .err_str = "Invalid size", 536}, 537{ 538 .descr = "global data test #11, multiple section members", 539 .raw_types = { 540 /* int */ 541 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 542 /* unsigned long long */ 543 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 544 /* char */ 545 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 546 /* int[8] */ 547 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 548 /* struct A { */ /* [5] */ 549 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 550 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 551 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 552 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 553 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 554 /* } */ 555 /* static struct A t */ 556 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 557 /* static int u */ 558 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ 559 /* .bss section */ /* [8] */ 560 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), 561 BTF_VAR_SECINFO_ENC(6, 10, 48), 562 BTF_VAR_SECINFO_ENC(7, 58, 4), 563 BTF_END_RAW, 564 }, 565 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", 566 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), 567 .map_type = BPF_MAP_TYPE_ARRAY, 568 .map_name = ".bss", 569 .key_size = sizeof(int), 570 .value_size = 62, 571 .key_type_id = 0, 572 .value_type_id = 8, 573 .max_entries = 1, 574}, 575{ 576 .descr = "global data test #12, invalid offset", 577 .raw_types = { 578 /* int */ 579 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 580 /* unsigned long long */ 581 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 582 /* char */ 583 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 584 /* int[8] */ 585 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 586 /* struct A { */ /* [5] */ 587 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 588 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 589 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 590 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 591 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 592 /* } */ 593 /* static struct A t */ 594 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 595 /* static int u */ 596 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ 597 /* .bss section */ /* [8] */ 598 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), 599 BTF_VAR_SECINFO_ENC(6, 10, 48), 600 BTF_VAR_SECINFO_ENC(7, 60, 4), 601 BTF_END_RAW, 602 }, 603 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", 604 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), 605 .map_type = BPF_MAP_TYPE_ARRAY, 606 .map_name = ".bss", 607 .key_size = sizeof(int), 608 .value_size = 62, 609 .key_type_id = 0, 610 .value_type_id = 8, 611 .max_entries = 1, 612 .btf_load_err = true, 613 .err_str = "Invalid offset+size", 614}, 615{ 616 .descr = "global data test #13, invalid offset", 617 .raw_types = { 618 /* int */ 619 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 620 /* unsigned long long */ 621 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 622 /* char */ 623 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 624 /* int[8] */ 625 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 626 /* struct A { */ /* [5] */ 627 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 628 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 629 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 630 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 631 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 632 /* } */ 633 /* static struct A t */ 634 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 635 /* static int u */ 636 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ 637 /* .bss section */ /* [8] */ 638 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), 639 BTF_VAR_SECINFO_ENC(6, 10, 48), 640 BTF_VAR_SECINFO_ENC(7, 12, 4), 641 BTF_END_RAW, 642 }, 643 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", 644 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), 645 .map_type = BPF_MAP_TYPE_ARRAY, 646 .map_name = ".bss", 647 .key_size = sizeof(int), 648 .value_size = 62, 649 .key_type_id = 0, 650 .value_type_id = 8, 651 .max_entries = 1, 652 .btf_load_err = true, 653 .err_str = "Invalid offset", 654}, 655{ 656 .descr = "global data test #14, invalid offset", 657 .raw_types = { 658 /* int */ 659 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 660 /* unsigned long long */ 661 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 662 /* char */ 663 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 664 /* int[8] */ 665 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 666 /* struct A { */ /* [5] */ 667 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 668 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 669 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 670 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 671 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 672 /* } */ 673 /* static struct A t */ 674 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 675 /* static int u */ 676 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ 677 /* .bss section */ /* [8] */ 678 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), 679 BTF_VAR_SECINFO_ENC(7, 58, 4), 680 BTF_VAR_SECINFO_ENC(6, 10, 48), 681 BTF_END_RAW, 682 }, 683 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", 684 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), 685 .map_type = BPF_MAP_TYPE_ARRAY, 686 .map_name = ".bss", 687 .key_size = sizeof(int), 688 .value_size = 62, 689 .key_type_id = 0, 690 .value_type_id = 8, 691 .max_entries = 1, 692 .btf_load_err = true, 693 .err_str = "Invalid offset", 694}, 695{ 696 .descr = "global data test #15, not var kind", 697 .raw_types = { 698 /* int */ 699 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 700 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 701 /* .bss section */ /* [3] */ 702 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 703 BTF_VAR_SECINFO_ENC(1, 0, 4), 704 BTF_END_RAW, 705 }, 706 .str_sec = "\0A\0t\0.bss", 707 .str_sec_size = sizeof("\0A\0t\0.bss"), 708 .map_type = BPF_MAP_TYPE_ARRAY, 709 .map_name = ".bss", 710 .key_size = sizeof(int), 711 .value_size = 4, 712 .key_type_id = 0, 713 .value_type_id = 3, 714 .max_entries = 1, 715 .btf_load_err = true, 716 .err_str = "Not a VAR kind member", 717}, 718{ 719 .descr = "global data test #16, invalid var referencing sec", 720 .raw_types = { 721 /* int */ 722 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 723 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [2] */ 724 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [3] */ 725 /* a section */ /* [4] */ 726 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 727 BTF_VAR_SECINFO_ENC(3, 0, 4), 728 /* a section */ /* [5] */ 729 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 730 BTF_VAR_SECINFO_ENC(6, 0, 4), 731 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [6] */ 732 BTF_END_RAW, 733 }, 734 .str_sec = "\0A\0t\0s\0a\0a", 735 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 736 .map_type = BPF_MAP_TYPE_ARRAY, 737 .map_name = ".bss", 738 .key_size = sizeof(int), 739 .value_size = 4, 740 .key_type_id = 0, 741 .value_type_id = 4, 742 .max_entries = 1, 743 .btf_load_err = true, 744 .err_str = "Invalid type_id", 745}, 746{ 747 .descr = "global data test #17, invalid var referencing var", 748 .raw_types = { 749 /* int */ 750 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 751 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 752 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [3] */ 753 /* a section */ /* [4] */ 754 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 755 BTF_VAR_SECINFO_ENC(3, 0, 4), 756 BTF_END_RAW, 757 }, 758 .str_sec = "\0A\0t\0s\0a\0a", 759 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 760 .map_type = BPF_MAP_TYPE_ARRAY, 761 .map_name = ".bss", 762 .key_size = sizeof(int), 763 .value_size = 4, 764 .key_type_id = 0, 765 .value_type_id = 4, 766 .max_entries = 1, 767 .btf_load_err = true, 768 .err_str = "Invalid type_id", 769}, 770{ 771 .descr = "global data test #18, invalid var loop", 772 .raw_types = { 773 /* int */ 774 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 775 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [2] */ 776 /* .bss section */ /* [3] */ 777 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 778 BTF_VAR_SECINFO_ENC(2, 0, 4), 779 BTF_END_RAW, 780 }, 781 .str_sec = "\0A\0t\0aaa", 782 .str_sec_size = sizeof("\0A\0t\0aaa"), 783 .map_type = BPF_MAP_TYPE_ARRAY, 784 .map_name = ".bss", 785 .key_size = sizeof(int), 786 .value_size = 4, 787 .key_type_id = 0, 788 .value_type_id = 4, 789 .max_entries = 1, 790 .btf_load_err = true, 791 .err_str = "Invalid type_id", 792}, 793{ 794 .descr = "global data test #19, invalid var referencing var", 795 .raw_types = { 796 /* int */ 797 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 798 BTF_VAR_ENC(NAME_TBD, 3, 0), /* [2] */ 799 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ 800 BTF_END_RAW, 801 }, 802 .str_sec = "\0A\0t\0s\0a\0a", 803 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 804 .map_type = BPF_MAP_TYPE_ARRAY, 805 .map_name = ".bss", 806 .key_size = sizeof(int), 807 .value_size = 4, 808 .key_type_id = 0, 809 .value_type_id = 4, 810 .max_entries = 1, 811 .btf_load_err = true, 812 .err_str = "Invalid type_id", 813}, 814{ 815 .descr = "global data test #20, invalid ptr referencing var", 816 .raw_types = { 817 /* int */ 818 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 819 /* PTR type_id=3 */ /* [2] */ 820 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3), 821 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ 822 BTF_END_RAW, 823 }, 824 .str_sec = "\0A\0t\0s\0a\0a", 825 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 826 .map_type = BPF_MAP_TYPE_ARRAY, 827 .map_name = ".bss", 828 .key_size = sizeof(int), 829 .value_size = 4, 830 .key_type_id = 0, 831 .value_type_id = 4, 832 .max_entries = 1, 833 .btf_load_err = true, 834 .err_str = "Invalid type_id", 835}, 836{ 837 .descr = "global data test #21, var included in struct", 838 .raw_types = { 839 /* int */ 840 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 841 /* struct A { */ /* [2] */ 842 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2), 843 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 844 BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* VAR type_id=3; */ 845 /* } */ 846 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ 847 BTF_END_RAW, 848 }, 849 .str_sec = "\0A\0t\0s\0a\0a", 850 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 851 .map_type = BPF_MAP_TYPE_ARRAY, 852 .map_name = ".bss", 853 .key_size = sizeof(int), 854 .value_size = 4, 855 .key_type_id = 0, 856 .value_type_id = 4, 857 .max_entries = 1, 858 .btf_load_err = true, 859 .err_str = "Invalid member", 860}, 861{ 862 .descr = "global data test #22, array of var", 863 .raw_types = { 864 /* int */ 865 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 866 BTF_TYPE_ARRAY_ENC(3, 1, 4), /* [2] */ 867 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ 868 BTF_END_RAW, 869 }, 870 .str_sec = "\0A\0t\0s\0a\0a", 871 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 872 .map_type = BPF_MAP_TYPE_ARRAY, 873 .map_name = ".bss", 874 .key_size = sizeof(int), 875 .value_size = 4, 876 .key_type_id = 0, 877 .value_type_id = 4, 878 .max_entries = 1, 879 .btf_load_err = true, 880 .err_str = "Invalid elem", 881}, 882{ 883 .descr = "var after datasec, ptr followed by modifier", 884 .raw_types = { 885 /* .bss section */ /* [1] */ 886 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 887 sizeof(void*)+4), 888 BTF_VAR_SECINFO_ENC(4, 0, sizeof(void*)), 889 BTF_VAR_SECINFO_ENC(6, sizeof(void*), 4), 890 /* int */ /* [2] */ 891 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 892 /* int* */ /* [3] */ 893 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), 894 BTF_VAR_ENC(NAME_TBD, 3, 0), /* [4] */ 895 /* const int */ /* [5] */ 896 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), 897 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 898 BTF_END_RAW, 899 }, 900 .str_sec = "\0a\0b\0c\0", 901 .str_sec_size = sizeof("\0a\0b\0c\0"), 902 .map_type = BPF_MAP_TYPE_ARRAY, 903 .map_name = ".bss", 904 .key_size = sizeof(int), 905 .value_size = sizeof(void*)+4, 906 .key_type_id = 0, 907 .value_type_id = 1, 908 .max_entries = 1, 909}, 910/* Test member exceeds the size of struct. 911 * 912 * struct A { 913 * int m; 914 * int n; 915 * }; 916 */ 917{ 918 .descr = "size check test #1", 919 .raw_types = { 920 /* int */ /* [1] */ 921 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 922 /* struct A { */ /* [2] */ 923 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1), 924 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 925 BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */ 926 /* } */ 927 BTF_END_RAW, 928 }, 929 .str_sec = "\0A\0m\0n", 930 .str_sec_size = sizeof("\0A\0m\0n"), 931 .map_type = BPF_MAP_TYPE_ARRAY, 932 .map_name = "size_check1_map", 933 .key_size = sizeof(int), 934 .value_size = 1, 935 .key_type_id = 1, 936 .value_type_id = 2, 937 .max_entries = 4, 938 .btf_load_err = true, 939 .err_str = "Member exceeds struct_size", 940}, 941 942/* Test member exceeds the size of struct 943 * 944 * struct A { 945 * int m; 946 * int n[2]; 947 * }; 948 */ 949{ 950 .descr = "size check test #2", 951 .raw_types = { 952 /* int */ /* [1] */ 953 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), 954 /* int[2] */ /* [2] */ 955 BTF_TYPE_ARRAY_ENC(1, 1, 2), 956 /* struct A { */ /* [3] */ 957 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 3 - 1), 958 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 959 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* int n[2]; */ 960 /* } */ 961 BTF_END_RAW, 962 }, 963 .str_sec = "\0A\0m\0n", 964 .str_sec_size = sizeof("\0A\0m\0n"), 965 .map_type = BPF_MAP_TYPE_ARRAY, 966 .map_name = "size_check2_map", 967 .key_size = sizeof(int), 968 .value_size = 1, 969 .key_type_id = 1, 970 .value_type_id = 3, 971 .max_entries = 4, 972 .btf_load_err = true, 973 .err_str = "Member exceeds struct_size", 974}, 975 976/* Test member exceeds the size of struct 977 * 978 * struct A { 979 * int m; 980 * void *n; 981 * }; 982 */ 983{ 984 .descr = "size check test #3", 985 .raw_types = { 986 /* int */ /* [1] */ 987 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), 988 /* void* */ /* [2] */ 989 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), 990 /* struct A { */ /* [3] */ 991 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) + sizeof(void *) - 1), 992 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 993 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* void *n; */ 994 /* } */ 995 BTF_END_RAW, 996 }, 997 .str_sec = "\0A\0m\0n", 998 .str_sec_size = sizeof("\0A\0m\0n"), 999 .map_type = BPF_MAP_TYPE_ARRAY, 1000 .map_name = "size_check3_map", 1001 .key_size = sizeof(int), 1002 .value_size = 1, 1003 .key_type_id = 1, 1004 .value_type_id = 3, 1005 .max_entries = 4, 1006 .btf_load_err = true, 1007 .err_str = "Member exceeds struct_size", 1008}, 1009 1010/* Test member exceeds the size of struct 1011 * 1012 * enum E { 1013 * E0, 1014 * E1, 1015 * }; 1016 * 1017 * struct A { 1018 * int m; 1019 * enum E n; 1020 * }; 1021 */ 1022{ 1023 .descr = "size check test #4", 1024 .raw_types = { 1025 /* int */ /* [1] */ 1026 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), 1027 /* enum E { */ /* [2] */ 1028 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)), 1029 BTF_ENUM_ENC(NAME_TBD, 0), 1030 BTF_ENUM_ENC(NAME_TBD, 1), 1031 /* } */ 1032 /* struct A { */ /* [3] */ 1033 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1), 1034 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 1035 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* enum E n; */ 1036 /* } */ 1037 BTF_END_RAW, 1038 }, 1039 .str_sec = "\0E\0E0\0E1\0A\0m\0n", 1040 .str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"), 1041 .map_type = BPF_MAP_TYPE_ARRAY, 1042 .map_name = "size_check4_map", 1043 .key_size = sizeof(int), 1044 .value_size = 1, 1045 .key_type_id = 1, 1046 .value_type_id = 3, 1047 .max_entries = 4, 1048 .btf_load_err = true, 1049 .err_str = "Member exceeds struct_size", 1050}, 1051 1052/* Test member unexceeds the size of struct 1053 * 1054 * enum E { 1055 * E0, 1056 * E1, 1057 * }; 1058 * 1059 * struct A { 1060 * char m; 1061 * enum E __attribute__((packed)) n; 1062 * }; 1063 */ 1064{ 1065 .descr = "size check test #5", 1066 .raw_types = { 1067 /* int */ /* [1] */ 1068 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), 1069 /* char */ /* [2] */ 1070 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), 1071 /* enum E { */ /* [3] */ 1072 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 1), 1073 BTF_ENUM_ENC(NAME_TBD, 0), 1074 BTF_ENUM_ENC(NAME_TBD, 1), 1075 /* } */ 1076 /* struct A { */ /* [4] */ 1077 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 2), 1078 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* char m; */ 1079 BTF_MEMBER_ENC(NAME_TBD, 3, 8),/* enum E __attribute__((packed)) n; */ 1080 /* } */ 1081 BTF_END_RAW, 1082 }, 1083 .str_sec = "\0E\0E0\0E1\0A\0m\0n", 1084 .str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"), 1085 .map_type = BPF_MAP_TYPE_ARRAY, 1086 .map_name = "size_check5_map", 1087 .key_size = sizeof(int), 1088 .value_size = 2, 1089 .key_type_id = 1, 1090 .value_type_id = 4, 1091 .max_entries = 4, 1092}, 1093 1094/* typedef const void * const_void_ptr; 1095 * struct A { 1096 * const_void_ptr m; 1097 * }; 1098 */ 1099{ 1100 .descr = "void test #1", 1101 .raw_types = { 1102 /* int */ /* [1] */ 1103 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1104 /* const void */ /* [2] */ 1105 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1106 /* const void* */ /* [3] */ 1107 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), 1108 /* typedef const void * const_void_ptr */ 1109 BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [4] */ 1110 /* struct A { */ /* [5] */ 1111 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), 1112 /* const_void_ptr m; */ 1113 BTF_MEMBER_ENC(NAME_TBD, 4, 0), 1114 /* } */ 1115 BTF_END_RAW, 1116 }, 1117 .str_sec = "\0const_void_ptr\0A\0m", 1118 .str_sec_size = sizeof("\0const_void_ptr\0A\0m"), 1119 .map_type = BPF_MAP_TYPE_ARRAY, 1120 .map_name = "void_test1_map", 1121 .key_size = sizeof(int), 1122 .value_size = sizeof(void *), 1123 .key_type_id = 1, 1124 .value_type_id = 4, 1125 .max_entries = 4, 1126}, 1127 1128/* struct A { 1129 * const void m; 1130 * }; 1131 */ 1132{ 1133 .descr = "void test #2", 1134 .raw_types = { 1135 /* int */ /* [1] */ 1136 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1137 /* const void */ /* [2] */ 1138 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1139 /* struct A { */ /* [3] */ 1140 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 8), 1141 /* const void m; */ 1142 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 1143 /* } */ 1144 BTF_END_RAW, 1145 }, 1146 .str_sec = "\0A\0m", 1147 .str_sec_size = sizeof("\0A\0m"), 1148 .map_type = BPF_MAP_TYPE_ARRAY, 1149 .map_name = "void_test2_map", 1150 .key_size = sizeof(int), 1151 .value_size = sizeof(void *), 1152 .key_type_id = 1, 1153 .value_type_id = 3, 1154 .max_entries = 4, 1155 .btf_load_err = true, 1156 .err_str = "Invalid member", 1157}, 1158 1159/* typedef const void * const_void_ptr; 1160 * const_void_ptr[4] 1161 */ 1162{ 1163 .descr = "void test #3", 1164 .raw_types = { 1165 /* int */ /* [1] */ 1166 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1167 /* const void */ /* [2] */ 1168 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1169 /* const void* */ /* [3] */ 1170 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), 1171 /* typedef const void * const_void_ptr */ 1172 BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [4] */ 1173 /* const_void_ptr[4] */ 1174 BTF_TYPE_ARRAY_ENC(4, 1, 4), /* [5] */ 1175 BTF_END_RAW, 1176 }, 1177 .str_sec = "\0const_void_ptr", 1178 .str_sec_size = sizeof("\0const_void_ptr"), 1179 .map_type = BPF_MAP_TYPE_ARRAY, 1180 .map_name = "void_test3_map", 1181 .key_size = sizeof(int), 1182 .value_size = sizeof(void *) * 4, 1183 .key_type_id = 1, 1184 .value_type_id = 5, 1185 .max_entries = 4, 1186}, 1187 1188/* const void[4] */ 1189{ 1190 .descr = "void test #4", 1191 .raw_types = { 1192 /* int */ /* [1] */ 1193 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1194 /* const void */ /* [2] */ 1195 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1196 /* const void[4] */ /* [3] */ 1197 BTF_TYPE_ARRAY_ENC(2, 1, 4), 1198 BTF_END_RAW, 1199 }, 1200 .str_sec = "\0A\0m", 1201 .str_sec_size = sizeof("\0A\0m"), 1202 .map_type = BPF_MAP_TYPE_ARRAY, 1203 .map_name = "void_test4_map", 1204 .key_size = sizeof(int), 1205 .value_size = sizeof(void *) * 4, 1206 .key_type_id = 1, 1207 .value_type_id = 3, 1208 .max_entries = 4, 1209 .btf_load_err = true, 1210 .err_str = "Invalid elem", 1211}, 1212 1213/* Array_A <------------------+ 1214 * elem_type == Array_B | 1215 * | | 1216 * | | 1217 * Array_B <-------- + | 1218 * elem_type == Array A --+ 1219 */ 1220{ 1221 .descr = "loop test #1", 1222 .raw_types = { 1223 /* int */ /* [1] */ 1224 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1225 /* Array_A */ /* [2] */ 1226 BTF_TYPE_ARRAY_ENC(3, 1, 8), 1227 /* Array_B */ /* [3] */ 1228 BTF_TYPE_ARRAY_ENC(2, 1, 8), 1229 BTF_END_RAW, 1230 }, 1231 .str_sec = "", 1232 .str_sec_size = sizeof(""), 1233 .map_type = BPF_MAP_TYPE_ARRAY, 1234 .map_name = "loop_test1_map", 1235 .key_size = sizeof(int), 1236 .value_size = sizeof(sizeof(int) * 8), 1237 .key_type_id = 1, 1238 .value_type_id = 2, 1239 .max_entries = 4, 1240 .btf_load_err = true, 1241 .err_str = "Loop detected", 1242}, 1243 1244/* typedef is _before_ the BTF type of Array_A and Array_B 1245 * 1246 * typedef Array_B int_array; 1247 * 1248 * Array_A <------------------+ 1249 * elem_type == int_array | 1250 * | | 1251 * | | 1252 * Array_B <-------- + | 1253 * elem_type == Array_A --+ 1254 */ 1255{ 1256 .descr = "loop test #2", 1257 .raw_types = { 1258 /* int */ 1259 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 1260 /* typedef Array_B int_array */ 1261 BTF_TYPEDEF_ENC(1, 4), /* [2] */ 1262 /* Array_A */ 1263 BTF_TYPE_ARRAY_ENC(2, 1, 8), /* [3] */ 1264 /* Array_B */ 1265 BTF_TYPE_ARRAY_ENC(3, 1, 8), /* [4] */ 1266 BTF_END_RAW, 1267 }, 1268 .str_sec = "\0int_array\0", 1269 .str_sec_size = sizeof("\0int_array"), 1270 .map_type = BPF_MAP_TYPE_ARRAY, 1271 .map_name = "loop_test2_map", 1272 .key_size = sizeof(int), 1273 .value_size = sizeof(sizeof(int) * 8), 1274 .key_type_id = 1, 1275 .value_type_id = 2, 1276 .max_entries = 4, 1277 .btf_load_err = true, 1278 .err_str = "Loop detected", 1279}, 1280 1281/* Array_A <------------------+ 1282 * elem_type == Array_B | 1283 * | | 1284 * | | 1285 * Array_B <-------- + | 1286 * elem_type == Array_A --+ 1287 */ 1288{ 1289 .descr = "loop test #3", 1290 .raw_types = { 1291 /* int */ /* [1] */ 1292 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1293 /* Array_A */ /* [2] */ 1294 BTF_TYPE_ARRAY_ENC(3, 1, 8), 1295 /* Array_B */ /* [3] */ 1296 BTF_TYPE_ARRAY_ENC(2, 1, 8), 1297 BTF_END_RAW, 1298 }, 1299 .str_sec = "", 1300 .str_sec_size = sizeof(""), 1301 .map_type = BPF_MAP_TYPE_ARRAY, 1302 .map_name = "loop_test3_map", 1303 .key_size = sizeof(int), 1304 .value_size = sizeof(sizeof(int) * 8), 1305 .key_type_id = 1, 1306 .value_type_id = 2, 1307 .max_entries = 4, 1308 .btf_load_err = true, 1309 .err_str = "Loop detected", 1310}, 1311 1312/* typedef is _between_ the BTF type of Array_A and Array_B 1313 * 1314 * typedef Array_B int_array; 1315 * 1316 * Array_A <------------------+ 1317 * elem_type == int_array | 1318 * | | 1319 * | | 1320 * Array_B <-------- + | 1321 * elem_type == Array_A --+ 1322 */ 1323{ 1324 .descr = "loop test #4", 1325 .raw_types = { 1326 /* int */ /* [1] */ 1327 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1328 /* Array_A */ /* [2] */ 1329 BTF_TYPE_ARRAY_ENC(3, 1, 8), 1330 /* typedef Array_B int_array */ /* [3] */ 1331 BTF_TYPEDEF_ENC(NAME_TBD, 4), 1332 /* Array_B */ /* [4] */ 1333 BTF_TYPE_ARRAY_ENC(2, 1, 8), 1334 BTF_END_RAW, 1335 }, 1336 .str_sec = "\0int_array\0", 1337 .str_sec_size = sizeof("\0int_array"), 1338 .map_type = BPF_MAP_TYPE_ARRAY, 1339 .map_name = "loop_test4_map", 1340 .key_size = sizeof(int), 1341 .value_size = sizeof(sizeof(int) * 8), 1342 .key_type_id = 1, 1343 .value_type_id = 2, 1344 .max_entries = 4, 1345 .btf_load_err = true, 1346 .err_str = "Loop detected", 1347}, 1348 1349/* typedef struct B Struct_B 1350 * 1351 * struct A { 1352 * int x; 1353 * Struct_B y; 1354 * }; 1355 * 1356 * struct B { 1357 * int x; 1358 * struct A y; 1359 * }; 1360 */ 1361{ 1362 .descr = "loop test #5", 1363 .raw_types = { 1364 /* int */ 1365 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 1366 /* struct A */ /* [2] */ 1367 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), 1368 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ 1369 BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* Struct_B y; */ 1370 /* typedef struct B Struct_B */ 1371 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ 1372 /* struct B */ /* [4] */ 1373 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), 1374 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ 1375 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A y; */ 1376 BTF_END_RAW, 1377 }, 1378 .str_sec = "\0A\0x\0y\0Struct_B\0B\0x\0y", 1379 .str_sec_size = sizeof("\0A\0x\0y\0Struct_B\0B\0x\0y"), 1380 .map_type = BPF_MAP_TYPE_ARRAY, 1381 .map_name = "loop_test5_map", 1382 .key_size = sizeof(int), 1383 .value_size = 8, 1384 .key_type_id = 1, 1385 .value_type_id = 2, 1386 .max_entries = 4, 1387 .btf_load_err = true, 1388 .err_str = "Loop detected", 1389}, 1390 1391/* struct A { 1392 * int x; 1393 * struct A array_a[4]; 1394 * }; 1395 */ 1396{ 1397 .descr = "loop test #6", 1398 .raw_types = { 1399 /* int */ 1400 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 1401 BTF_TYPE_ARRAY_ENC(3, 1, 4), /* [2] */ 1402 /* struct A */ /* [3] */ 1403 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), 1404 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ 1405 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A array_a[4]; */ 1406 BTF_END_RAW, 1407 }, 1408 .str_sec = "\0A\0x\0y", 1409 .str_sec_size = sizeof("\0A\0x\0y"), 1410 .map_type = BPF_MAP_TYPE_ARRAY, 1411 .map_name = "loop_test6_map", 1412 .key_size = sizeof(int), 1413 .value_size = 8, 1414 .key_type_id = 1, 1415 .value_type_id = 2, 1416 .max_entries = 4, 1417 .btf_load_err = true, 1418 .err_str = "Loop detected", 1419}, 1420 1421{ 1422 .descr = "loop test #7", 1423 .raw_types = { 1424 /* int */ /* [1] */ 1425 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1426 /* struct A { */ /* [2] */ 1427 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), 1428 /* const void *m; */ 1429 BTF_MEMBER_ENC(NAME_TBD, 3, 0), 1430 /* CONST type_id=3 */ /* [3] */ 1431 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), 1432 /* PTR type_id=2 */ /* [4] */ 1433 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3), 1434 BTF_END_RAW, 1435 }, 1436 .str_sec = "\0A\0m", 1437 .str_sec_size = sizeof("\0A\0m"), 1438 .map_type = BPF_MAP_TYPE_ARRAY, 1439 .map_name = "loop_test7_map", 1440 .key_size = sizeof(int), 1441 .value_size = sizeof(void *), 1442 .key_type_id = 1, 1443 .value_type_id = 2, 1444 .max_entries = 4, 1445 .btf_load_err = true, 1446 .err_str = "Loop detected", 1447}, 1448 1449{ 1450 .descr = "loop test #8", 1451 .raw_types = { 1452 /* int */ /* [1] */ 1453 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1454 /* struct A { */ /* [2] */ 1455 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), 1456 /* const void *m; */ 1457 BTF_MEMBER_ENC(NAME_TBD, 4, 0), 1458 /* struct B { */ /* [3] */ 1459 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), 1460 /* const void *n; */ 1461 BTF_MEMBER_ENC(NAME_TBD, 6, 0), 1462 /* CONST type_id=5 */ /* [4] */ 1463 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 5), 1464 /* PTR type_id=6 */ /* [5] */ 1465 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 6), 1466 /* CONST type_id=7 */ /* [6] */ 1467 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 7), 1468 /* PTR type_id=4 */ /* [7] */ 1469 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 4), 1470 BTF_END_RAW, 1471 }, 1472 .str_sec = "\0A\0m\0B\0n", 1473 .str_sec_size = sizeof("\0A\0m\0B\0n"), 1474 .map_type = BPF_MAP_TYPE_ARRAY, 1475 .map_name = "loop_test8_map", 1476 .key_size = sizeof(int), 1477 .value_size = sizeof(void *), 1478 .key_type_id = 1, 1479 .value_type_id = 2, 1480 .max_entries = 4, 1481 .btf_load_err = true, 1482 .err_str = "Loop detected", 1483}, 1484 1485{ 1486 .descr = "string section does not end with null", 1487 .raw_types = { 1488 /* int */ /* [1] */ 1489 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1490 BTF_END_RAW, 1491 }, 1492 .str_sec = "\0int", 1493 .str_sec_size = sizeof("\0int") - 1, 1494 .map_type = BPF_MAP_TYPE_ARRAY, 1495 .map_name = "hdr_test_map", 1496 .key_size = sizeof(int), 1497 .value_size = sizeof(int), 1498 .key_type_id = 1, 1499 .value_type_id = 1, 1500 .max_entries = 4, 1501 .btf_load_err = true, 1502 .err_str = "Invalid string section", 1503}, 1504 1505{ 1506 .descr = "empty string section", 1507 .raw_types = { 1508 /* int */ /* [1] */ 1509 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1510 BTF_END_RAW, 1511 }, 1512 .str_sec = "", 1513 .str_sec_size = 0, 1514 .map_type = BPF_MAP_TYPE_ARRAY, 1515 .map_name = "hdr_test_map", 1516 .key_size = sizeof(int), 1517 .value_size = sizeof(int), 1518 .key_type_id = 1, 1519 .value_type_id = 1, 1520 .max_entries = 4, 1521 .btf_load_err = true, 1522 .err_str = "Invalid string section", 1523}, 1524 1525{ 1526 .descr = "empty type section", 1527 .raw_types = { 1528 BTF_END_RAW, 1529 }, 1530 .str_sec = "\0int", 1531 .str_sec_size = sizeof("\0int"), 1532 .map_type = BPF_MAP_TYPE_ARRAY, 1533 .map_name = "hdr_test_map", 1534 .key_size = sizeof(int), 1535 .value_size = sizeof(int), 1536 .key_type_id = 1, 1537 .value_type_id = 1, 1538 .max_entries = 4, 1539 .btf_load_err = true, 1540 .err_str = "No type found", 1541}, 1542 1543{ 1544 .descr = "btf_header test. Longer hdr_len", 1545 .raw_types = { 1546 /* int */ /* [1] */ 1547 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1548 BTF_END_RAW, 1549 }, 1550 .str_sec = "\0int", 1551 .str_sec_size = sizeof("\0int"), 1552 .map_type = BPF_MAP_TYPE_ARRAY, 1553 .map_name = "hdr_test_map", 1554 .key_size = sizeof(int), 1555 .value_size = sizeof(int), 1556 .key_type_id = 1, 1557 .value_type_id = 1, 1558 .max_entries = 4, 1559 .btf_load_err = true, 1560 .hdr_len_delta = 4, 1561 .err_str = "Unsupported btf_header", 1562}, 1563 1564{ 1565 .descr = "btf_header test. Gap between hdr and type", 1566 .raw_types = { 1567 /* int */ /* [1] */ 1568 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1569 BTF_END_RAW, 1570 }, 1571 .str_sec = "\0int", 1572 .str_sec_size = sizeof("\0int"), 1573 .map_type = BPF_MAP_TYPE_ARRAY, 1574 .map_name = "hdr_test_map", 1575 .key_size = sizeof(int), 1576 .value_size = sizeof(int), 1577 .key_type_id = 1, 1578 .value_type_id = 1, 1579 .max_entries = 4, 1580 .btf_load_err = true, 1581 .type_off_delta = 4, 1582 .err_str = "Unsupported section found", 1583}, 1584 1585{ 1586 .descr = "btf_header test. Gap between type and str", 1587 .raw_types = { 1588 /* int */ /* [1] */ 1589 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1590 BTF_END_RAW, 1591 }, 1592 .str_sec = "\0int", 1593 .str_sec_size = sizeof("\0int"), 1594 .map_type = BPF_MAP_TYPE_ARRAY, 1595 .map_name = "hdr_test_map", 1596 .key_size = sizeof(int), 1597 .value_size = sizeof(int), 1598 .key_type_id = 1, 1599 .value_type_id = 1, 1600 .max_entries = 4, 1601 .btf_load_err = true, 1602 .str_off_delta = 4, 1603 .err_str = "Unsupported section found", 1604}, 1605 1606{ 1607 .descr = "btf_header test. Overlap between type and str", 1608 .raw_types = { 1609 /* int */ /* [1] */ 1610 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1611 BTF_END_RAW, 1612 }, 1613 .str_sec = "\0int", 1614 .str_sec_size = sizeof("\0int"), 1615 .map_type = BPF_MAP_TYPE_ARRAY, 1616 .map_name = "hdr_test_map", 1617 .key_size = sizeof(int), 1618 .value_size = sizeof(int), 1619 .key_type_id = 1, 1620 .value_type_id = 1, 1621 .max_entries = 4, 1622 .btf_load_err = true, 1623 .str_off_delta = -4, 1624 .err_str = "Section overlap found", 1625}, 1626 1627{ 1628 .descr = "btf_header test. Larger BTF size", 1629 .raw_types = { 1630 /* int */ /* [1] */ 1631 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1632 BTF_END_RAW, 1633 }, 1634 .str_sec = "\0int", 1635 .str_sec_size = sizeof("\0int"), 1636 .map_type = BPF_MAP_TYPE_ARRAY, 1637 .map_name = "hdr_test_map", 1638 .key_size = sizeof(int), 1639 .value_size = sizeof(int), 1640 .key_type_id = 1, 1641 .value_type_id = 1, 1642 .max_entries = 4, 1643 .btf_load_err = true, 1644 .str_len_delta = -4, 1645 .err_str = "Unsupported section found", 1646}, 1647 1648{ 1649 .descr = "btf_header test. Smaller BTF size", 1650 .raw_types = { 1651 /* int */ /* [1] */ 1652 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1653 BTF_END_RAW, 1654 }, 1655 .str_sec = "\0int", 1656 .str_sec_size = sizeof("\0int"), 1657 .map_type = BPF_MAP_TYPE_ARRAY, 1658 .map_name = "hdr_test_map", 1659 .key_size = sizeof(int), 1660 .value_size = sizeof(int), 1661 .key_type_id = 1, 1662 .value_type_id = 1, 1663 .max_entries = 4, 1664 .btf_load_err = true, 1665 .str_len_delta = 4, 1666 .err_str = "Total section length too long", 1667}, 1668 1669{ 1670 .descr = "array test. index_type/elem_type \"int\"", 1671 .raw_types = { 1672 /* int */ /* [1] */ 1673 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1674 /* int[16] */ /* [2] */ 1675 BTF_TYPE_ARRAY_ENC(1, 1, 16), 1676 BTF_END_RAW, 1677 }, 1678 .str_sec = "", 1679 .str_sec_size = sizeof(""), 1680 .map_type = BPF_MAP_TYPE_ARRAY, 1681 .map_name = "array_test_map", 1682 .key_size = sizeof(int), 1683 .value_size = sizeof(int), 1684 .key_type_id = 1, 1685 .value_type_id = 1, 1686 .max_entries = 4, 1687}, 1688 1689{ 1690 .descr = "array test. index_type/elem_type \"const int\"", 1691 .raw_types = { 1692 /* int */ /* [1] */ 1693 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1694 /* int[16] */ /* [2] */ 1695 BTF_TYPE_ARRAY_ENC(3, 3, 16), 1696 /* CONST type_id=1 */ /* [3] */ 1697 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), 1698 BTF_END_RAW, 1699 }, 1700 .str_sec = "", 1701 .str_sec_size = sizeof(""), 1702 .map_type = BPF_MAP_TYPE_ARRAY, 1703 .map_name = "array_test_map", 1704 .key_size = sizeof(int), 1705 .value_size = sizeof(int), 1706 .key_type_id = 1, 1707 .value_type_id = 1, 1708 .max_entries = 4, 1709}, 1710 1711{ 1712 .descr = "array test. index_type \"const int:31\"", 1713 .raw_types = { 1714 /* int */ /* [1] */ 1715 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1716 /* int:31 */ /* [2] */ 1717 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4), 1718 /* int[16] */ /* [3] */ 1719 BTF_TYPE_ARRAY_ENC(1, 4, 16), 1720 /* CONST type_id=2 */ /* [4] */ 1721 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), 1722 BTF_END_RAW, 1723 }, 1724 .str_sec = "", 1725 .str_sec_size = sizeof(""), 1726 .map_type = BPF_MAP_TYPE_ARRAY, 1727 .map_name = "array_test_map", 1728 .key_size = sizeof(int), 1729 .value_size = sizeof(int), 1730 .key_type_id = 1, 1731 .value_type_id = 1, 1732 .max_entries = 4, 1733 .btf_load_err = true, 1734 .err_str = "Invalid index", 1735}, 1736 1737{ 1738 .descr = "array test. elem_type \"const int:31\"", 1739 .raw_types = { 1740 /* int */ /* [1] */ 1741 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1742 /* int:31 */ /* [2] */ 1743 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4), 1744 /* int[16] */ /* [3] */ 1745 BTF_TYPE_ARRAY_ENC(4, 1, 16), 1746 /* CONST type_id=2 */ /* [4] */ 1747 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), 1748 BTF_END_RAW, 1749 }, 1750 .str_sec = "", 1751 .str_sec_size = sizeof(""), 1752 .map_type = BPF_MAP_TYPE_ARRAY, 1753 .map_name = "array_test_map", 1754 .key_size = sizeof(int), 1755 .value_size = sizeof(int), 1756 .key_type_id = 1, 1757 .value_type_id = 1, 1758 .max_entries = 4, 1759 .btf_load_err = true, 1760 .err_str = "Invalid array of int", 1761}, 1762 1763{ 1764 .descr = "array test. index_type \"void\"", 1765 .raw_types = { 1766 /* int */ /* [1] */ 1767 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1768 /* int[16] */ /* [2] */ 1769 BTF_TYPE_ARRAY_ENC(1, 0, 16), 1770 BTF_END_RAW, 1771 }, 1772 .str_sec = "", 1773 .str_sec_size = sizeof(""), 1774 .map_type = BPF_MAP_TYPE_ARRAY, 1775 .map_name = "array_test_map", 1776 .key_size = sizeof(int), 1777 .value_size = sizeof(int), 1778 .key_type_id = 1, 1779 .value_type_id = 1, 1780 .max_entries = 4, 1781 .btf_load_err = true, 1782 .err_str = "Invalid index", 1783}, 1784 1785{ 1786 .descr = "array test. index_type \"const void\"", 1787 .raw_types = { 1788 /* int */ /* [1] */ 1789 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1790 /* int[16] */ /* [2] */ 1791 BTF_TYPE_ARRAY_ENC(1, 3, 16), 1792 /* CONST type_id=0 (void) */ /* [3] */ 1793 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1794 BTF_END_RAW, 1795 }, 1796 .str_sec = "", 1797 .str_sec_size = sizeof(""), 1798 .map_type = BPF_MAP_TYPE_ARRAY, 1799 .map_name = "array_test_map", 1800 .key_size = sizeof(int), 1801 .value_size = sizeof(int), 1802 .key_type_id = 1, 1803 .value_type_id = 1, 1804 .max_entries = 4, 1805 .btf_load_err = true, 1806 .err_str = "Invalid index", 1807}, 1808 1809{ 1810 .descr = "array test. elem_type \"const void\"", 1811 .raw_types = { 1812 /* int */ /* [1] */ 1813 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1814 /* int[16] */ /* [2] */ 1815 BTF_TYPE_ARRAY_ENC(3, 1, 16), 1816 /* CONST type_id=0 (void) */ /* [3] */ 1817 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1818 BTF_END_RAW, 1819 }, 1820 .str_sec = "", 1821 .str_sec_size = sizeof(""), 1822 .map_type = BPF_MAP_TYPE_ARRAY, 1823 .map_name = "array_test_map", 1824 .key_size = sizeof(int), 1825 .value_size = sizeof(int), 1826 .key_type_id = 1, 1827 .value_type_id = 1, 1828 .max_entries = 4, 1829 .btf_load_err = true, 1830 .err_str = "Invalid elem", 1831}, 1832 1833{ 1834 .descr = "array test. elem_type \"const void *\"", 1835 .raw_types = { 1836 /* int */ /* [1] */ 1837 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1838 /* const void *[16] */ /* [2] */ 1839 BTF_TYPE_ARRAY_ENC(3, 1, 16), 1840 /* CONST type_id=4 */ /* [3] */ 1841 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), 1842 /* void* */ /* [4] */ 1843 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), 1844 BTF_END_RAW, 1845 }, 1846 .str_sec = "", 1847 .str_sec_size = sizeof(""), 1848 .map_type = BPF_MAP_TYPE_ARRAY, 1849 .map_name = "array_test_map", 1850 .key_size = sizeof(int), 1851 .value_size = sizeof(int), 1852 .key_type_id = 1, 1853 .value_type_id = 1, 1854 .max_entries = 4, 1855}, 1856 1857{ 1858 .descr = "array test. index_type \"const void *\"", 1859 .raw_types = { 1860 /* int */ /* [1] */ 1861 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1862 /* const void *[16] */ /* [2] */ 1863 BTF_TYPE_ARRAY_ENC(3, 3, 16), 1864 /* CONST type_id=4 */ /* [3] */ 1865 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), 1866 /* void* */ /* [4] */ 1867 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), 1868 BTF_END_RAW, 1869 }, 1870 .str_sec = "", 1871 .str_sec_size = sizeof(""), 1872 .map_type = BPF_MAP_TYPE_ARRAY, 1873 .map_name = "array_test_map", 1874 .key_size = sizeof(int), 1875 .value_size = sizeof(int), 1876 .key_type_id = 1, 1877 .value_type_id = 1, 1878 .max_entries = 4, 1879 .btf_load_err = true, 1880 .err_str = "Invalid index", 1881}, 1882 1883{ 1884 .descr = "array test. t->size != 0\"", 1885 .raw_types = { 1886 /* int */ /* [1] */ 1887 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1888 /* int[16] */ /* [2] */ 1889 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 1), 1890 BTF_ARRAY_ENC(1, 1, 16), 1891 BTF_END_RAW, 1892 }, 1893 .str_sec = "", 1894 .str_sec_size = sizeof(""), 1895 .map_type = BPF_MAP_TYPE_ARRAY, 1896 .map_name = "array_test_map", 1897 .key_size = sizeof(int), 1898 .value_size = sizeof(int), 1899 .key_type_id = 1, 1900 .value_type_id = 1, 1901 .max_entries = 4, 1902 .btf_load_err = true, 1903 .err_str = "size != 0", 1904}, 1905 1906{ 1907 .descr = "int test. invalid int_data", 1908 .raw_types = { 1909 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), 4), 1910 0x10000000, 1911 BTF_END_RAW, 1912 }, 1913 .str_sec = "", 1914 .str_sec_size = sizeof(""), 1915 .map_type = BPF_MAP_TYPE_ARRAY, 1916 .map_name = "array_test_map", 1917 .key_size = sizeof(int), 1918 .value_size = sizeof(int), 1919 .key_type_id = 1, 1920 .value_type_id = 1, 1921 .max_entries = 4, 1922 .btf_load_err = true, 1923 .err_str = "Invalid int_data", 1924}, 1925 1926{ 1927 .descr = "invalid BTF_INFO", 1928 .raw_types = { 1929 /* int */ /* [1] */ 1930 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1931 BTF_TYPE_ENC(0, 0x20000000, 4), 1932 BTF_END_RAW, 1933 }, 1934 .str_sec = "", 1935 .str_sec_size = sizeof(""), 1936 .map_type = BPF_MAP_TYPE_ARRAY, 1937 .map_name = "array_test_map", 1938 .key_size = sizeof(int), 1939 .value_size = sizeof(int), 1940 .key_type_id = 1, 1941 .value_type_id = 1, 1942 .max_entries = 4, 1943 .btf_load_err = true, 1944 .err_str = "Invalid btf_info", 1945}, 1946 1947{ 1948 .descr = "fwd test. t->type != 0\"", 1949 .raw_types = { 1950 /* int */ /* [1] */ 1951 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1952 /* fwd type */ /* [2] */ 1953 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 1), 1954 BTF_END_RAW, 1955 }, 1956 .str_sec = "", 1957 .str_sec_size = sizeof(""), 1958 .map_type = BPF_MAP_TYPE_ARRAY, 1959 .map_name = "fwd_test_map", 1960 .key_size = sizeof(int), 1961 .value_size = sizeof(int), 1962 .key_type_id = 1, 1963 .value_type_id = 1, 1964 .max_entries = 4, 1965 .btf_load_err = true, 1966 .err_str = "type != 0", 1967}, 1968 1969{ 1970 .descr = "typedef (invalid name, name_off = 0)", 1971 .raw_types = { 1972 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 1973 BTF_TYPEDEF_ENC(0, 1), /* [2] */ 1974 BTF_END_RAW, 1975 }, 1976 .str_sec = "\0__int", 1977 .str_sec_size = sizeof("\0__int"), 1978 .map_type = BPF_MAP_TYPE_ARRAY, 1979 .map_name = "typedef_check_btf", 1980 .key_size = sizeof(int), 1981 .value_size = sizeof(int), 1982 .key_type_id = 1, 1983 .value_type_id = 1, 1984 .max_entries = 4, 1985 .btf_load_err = true, 1986 .err_str = "Invalid name", 1987}, 1988 1989{ 1990 .descr = "typedef (invalid name, invalid identifier)", 1991 .raw_types = { 1992 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 1993 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */ 1994 BTF_END_RAW, 1995 }, 1996 .str_sec = "\0__!int", 1997 .str_sec_size = sizeof("\0__!int"), 1998 .map_type = BPF_MAP_TYPE_ARRAY, 1999 .map_name = "typedef_check_btf", 2000 .key_size = sizeof(int), 2001 .value_size = sizeof(int), 2002 .key_type_id = 1, 2003 .value_type_id = 1, 2004 .max_entries = 4, 2005 .btf_load_err = true, 2006 .err_str = "Invalid name", 2007}, 2008 2009{ 2010 .descr = "ptr type (invalid name, name_off <> 0)", 2011 .raw_types = { 2012 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2013 BTF_TYPE_ENC(NAME_TBD, 2014 BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1), /* [2] */ 2015 BTF_END_RAW, 2016 }, 2017 .str_sec = "\0__int", 2018 .str_sec_size = sizeof("\0__int"), 2019 .map_type = BPF_MAP_TYPE_ARRAY, 2020 .map_name = "ptr_type_check_btf", 2021 .key_size = sizeof(int), 2022 .value_size = sizeof(int), 2023 .key_type_id = 1, 2024 .value_type_id = 1, 2025 .max_entries = 4, 2026 .btf_load_err = true, 2027 .err_str = "Invalid name", 2028}, 2029 2030{ 2031 .descr = "volatile type (invalid name, name_off <> 0)", 2032 .raw_types = { 2033 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2034 BTF_TYPE_ENC(NAME_TBD, 2035 BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 1), /* [2] */ 2036 BTF_END_RAW, 2037 }, 2038 .str_sec = "\0__int", 2039 .str_sec_size = sizeof("\0__int"), 2040 .map_type = BPF_MAP_TYPE_ARRAY, 2041 .map_name = "volatile_type_check_btf", 2042 .key_size = sizeof(int), 2043 .value_size = sizeof(int), 2044 .key_type_id = 1, 2045 .value_type_id = 1, 2046 .max_entries = 4, 2047 .btf_load_err = true, 2048 .err_str = "Invalid name", 2049}, 2050 2051{ 2052 .descr = "const type (invalid name, name_off <> 0)", 2053 .raw_types = { 2054 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2055 BTF_TYPE_ENC(NAME_TBD, 2056 BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), /* [2] */ 2057 BTF_END_RAW, 2058 }, 2059 .str_sec = "\0__int", 2060 .str_sec_size = sizeof("\0__int"), 2061 .map_type = BPF_MAP_TYPE_ARRAY, 2062 .map_name = "const_type_check_btf", 2063 .key_size = sizeof(int), 2064 .value_size = sizeof(int), 2065 .key_type_id = 1, 2066 .value_type_id = 1, 2067 .max_entries = 4, 2068 .btf_load_err = true, 2069 .err_str = "Invalid name", 2070}, 2071 2072{ 2073 .descr = "restrict type (invalid name, name_off <> 0)", 2074 .raw_types = { 2075 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2076 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1), /* [2] */ 2077 BTF_TYPE_ENC(NAME_TBD, 2078 BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), 2), /* [3] */ 2079 BTF_END_RAW, 2080 }, 2081 .str_sec = "\0__int", 2082 .str_sec_size = sizeof("\0__int"), 2083 .map_type = BPF_MAP_TYPE_ARRAY, 2084 .map_name = "restrict_type_check_btf", 2085 .key_size = sizeof(int), 2086 .value_size = sizeof(int), 2087 .key_type_id = 1, 2088 .value_type_id = 1, 2089 .max_entries = 4, 2090 .btf_load_err = true, 2091 .err_str = "Invalid name", 2092}, 2093 2094{ 2095 .descr = "fwd type (invalid name, name_off = 0)", 2096 .raw_types = { 2097 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2098 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0), /* [2] */ 2099 BTF_END_RAW, 2100 }, 2101 .str_sec = "\0__skb", 2102 .str_sec_size = sizeof("\0__skb"), 2103 .map_type = BPF_MAP_TYPE_ARRAY, 2104 .map_name = "fwd_type_check_btf", 2105 .key_size = sizeof(int), 2106 .value_size = sizeof(int), 2107 .key_type_id = 1, 2108 .value_type_id = 1, 2109 .max_entries = 4, 2110 .btf_load_err = true, 2111 .err_str = "Invalid name", 2112}, 2113 2114{ 2115 .descr = "fwd type (invalid name, invalid identifier)", 2116 .raw_types = { 2117 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2118 BTF_TYPE_ENC(NAME_TBD, 2119 BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0), /* [2] */ 2120 BTF_END_RAW, 2121 }, 2122 .str_sec = "\0__!skb", 2123 .str_sec_size = sizeof("\0__!skb"), 2124 .map_type = BPF_MAP_TYPE_ARRAY, 2125 .map_name = "fwd_type_check_btf", 2126 .key_size = sizeof(int), 2127 .value_size = sizeof(int), 2128 .key_type_id = 1, 2129 .value_type_id = 1, 2130 .max_entries = 4, 2131 .btf_load_err = true, 2132 .err_str = "Invalid name", 2133}, 2134 2135{ 2136 .descr = "array type (invalid name, name_off <> 0)", 2137 .raw_types = { 2138 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2139 BTF_TYPE_ENC(NAME_TBD, 2140 BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), /* [2] */ 2141 BTF_ARRAY_ENC(1, 1, 4), 2142 BTF_END_RAW, 2143 }, 2144 .str_sec = "\0__skb", 2145 .str_sec_size = sizeof("\0__skb"), 2146 .map_type = BPF_MAP_TYPE_ARRAY, 2147 .map_name = "array_type_check_btf", 2148 .key_size = sizeof(int), 2149 .value_size = sizeof(int), 2150 .key_type_id = 1, 2151 .value_type_id = 1, 2152 .max_entries = 4, 2153 .btf_load_err = true, 2154 .err_str = "Invalid name", 2155}, 2156 2157{ 2158 .descr = "struct type (name_off = 0)", 2159 .raw_types = { 2160 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2161 BTF_TYPE_ENC(0, 2162 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ 2163 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 2164 BTF_END_RAW, 2165 }, 2166 .str_sec = "\0A", 2167 .str_sec_size = sizeof("\0A"), 2168 .map_type = BPF_MAP_TYPE_ARRAY, 2169 .map_name = "struct_type_check_btf", 2170 .key_size = sizeof(int), 2171 .value_size = sizeof(int), 2172 .key_type_id = 1, 2173 .value_type_id = 1, 2174 .max_entries = 4, 2175}, 2176 2177{ 2178 .descr = "struct type (invalid name, invalid identifier)", 2179 .raw_types = { 2180 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2181 BTF_TYPE_ENC(NAME_TBD, 2182 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ 2183 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 2184 BTF_END_RAW, 2185 }, 2186 .str_sec = "\0A!\0B", 2187 .str_sec_size = sizeof("\0A!\0B"), 2188 .map_type = BPF_MAP_TYPE_ARRAY, 2189 .map_name = "struct_type_check_btf", 2190 .key_size = sizeof(int), 2191 .value_size = sizeof(int), 2192 .key_type_id = 1, 2193 .value_type_id = 1, 2194 .max_entries = 4, 2195 .btf_load_err = true, 2196 .err_str = "Invalid name", 2197}, 2198 2199{ 2200 .descr = "struct member (name_off = 0)", 2201 .raw_types = { 2202 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2203 BTF_TYPE_ENC(0, 2204 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ 2205 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 2206 BTF_END_RAW, 2207 }, 2208 .str_sec = "\0A", 2209 .str_sec_size = sizeof("\0A"), 2210 .map_type = BPF_MAP_TYPE_ARRAY, 2211 .map_name = "struct_type_check_btf", 2212 .key_size = sizeof(int), 2213 .value_size = sizeof(int), 2214 .key_type_id = 1, 2215 .value_type_id = 1, 2216 .max_entries = 4, 2217}, 2218 2219{ 2220 .descr = "struct member (invalid name, invalid identifier)", 2221 .raw_types = { 2222 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2223 BTF_TYPE_ENC(NAME_TBD, 2224 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ 2225 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 2226 BTF_END_RAW, 2227 }, 2228 .str_sec = "\0A\0B*", 2229 .str_sec_size = sizeof("\0A\0B*"), 2230 .map_type = BPF_MAP_TYPE_ARRAY, 2231 .map_name = "struct_type_check_btf", 2232 .key_size = sizeof(int), 2233 .value_size = sizeof(int), 2234 .key_type_id = 1, 2235 .value_type_id = 1, 2236 .max_entries = 4, 2237 .btf_load_err = true, 2238 .err_str = "Invalid name", 2239}, 2240 2241{ 2242 .descr = "enum type (name_off = 0)", 2243 .raw_types = { 2244 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2245 BTF_TYPE_ENC(0, 2246 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2247 sizeof(int)), /* [2] */ 2248 BTF_ENUM_ENC(NAME_TBD, 0), 2249 BTF_END_RAW, 2250 }, 2251 .str_sec = "\0A\0B", 2252 .str_sec_size = sizeof("\0A\0B"), 2253 .map_type = BPF_MAP_TYPE_ARRAY, 2254 .map_name = "enum_type_check_btf", 2255 .key_size = sizeof(int), 2256 .value_size = sizeof(int), 2257 .key_type_id = 1, 2258 .value_type_id = 1, 2259 .max_entries = 4, 2260}, 2261 2262{ 2263 .descr = "enum type (invalid name, invalid identifier)", 2264 .raw_types = { 2265 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2266 BTF_TYPE_ENC(NAME_TBD, 2267 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2268 sizeof(int)), /* [2] */ 2269 BTF_ENUM_ENC(NAME_TBD, 0), 2270 BTF_END_RAW, 2271 }, 2272 .str_sec = "\0A!\0B", 2273 .str_sec_size = sizeof("\0A!\0B"), 2274 .map_type = BPF_MAP_TYPE_ARRAY, 2275 .map_name = "enum_type_check_btf", 2276 .key_size = sizeof(int), 2277 .value_size = sizeof(int), 2278 .key_type_id = 1, 2279 .value_type_id = 1, 2280 .max_entries = 4, 2281 .btf_load_err = true, 2282 .err_str = "Invalid name", 2283}, 2284 2285{ 2286 .descr = "enum member (invalid name, name_off = 0)", 2287 .raw_types = { 2288 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2289 BTF_TYPE_ENC(0, 2290 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2291 sizeof(int)), /* [2] */ 2292 BTF_ENUM_ENC(0, 0), 2293 BTF_END_RAW, 2294 }, 2295 .str_sec = "", 2296 .str_sec_size = sizeof(""), 2297 .map_type = BPF_MAP_TYPE_ARRAY, 2298 .map_name = "enum_type_check_btf", 2299 .key_size = sizeof(int), 2300 .value_size = sizeof(int), 2301 .key_type_id = 1, 2302 .value_type_id = 1, 2303 .max_entries = 4, 2304 .btf_load_err = true, 2305 .err_str = "Invalid name", 2306}, 2307 2308{ 2309 .descr = "enum member (invalid name, invalid identifier)", 2310 .raw_types = { 2311 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2312 BTF_TYPE_ENC(0, 2313 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2314 sizeof(int)), /* [2] */ 2315 BTF_ENUM_ENC(NAME_TBD, 0), 2316 BTF_END_RAW, 2317 }, 2318 .str_sec = "\0A!", 2319 .str_sec_size = sizeof("\0A!"), 2320 .map_type = BPF_MAP_TYPE_ARRAY, 2321 .map_name = "enum_type_check_btf", 2322 .key_size = sizeof(int), 2323 .value_size = sizeof(int), 2324 .key_type_id = 1, 2325 .value_type_id = 1, 2326 .max_entries = 4, 2327 .btf_load_err = true, 2328 .err_str = "Invalid name", 2329}, 2330{ 2331 .descr = "arraymap invalid btf key (a bit field)", 2332 .raw_types = { 2333 /* int */ /* [1] */ 2334 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 2335 /* 32 bit int with 32 bit offset */ /* [2] */ 2336 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 32, 32, 8), 2337 BTF_END_RAW, 2338 }, 2339 .str_sec = "", 2340 .str_sec_size = sizeof(""), 2341 .map_type = BPF_MAP_TYPE_ARRAY, 2342 .map_name = "array_map_check_btf", 2343 .key_size = sizeof(int), 2344 .value_size = sizeof(int), 2345 .key_type_id = 2, 2346 .value_type_id = 1, 2347 .max_entries = 4, 2348 .map_create_err = true, 2349}, 2350 2351{ 2352 .descr = "arraymap invalid btf key (!= 32 bits)", 2353 .raw_types = { 2354 /* int */ /* [1] */ 2355 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 2356 /* 16 bit int with 0 bit offset */ /* [2] */ 2357 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 16, 2), 2358 BTF_END_RAW, 2359 }, 2360 .str_sec = "", 2361 .str_sec_size = sizeof(""), 2362 .map_type = BPF_MAP_TYPE_ARRAY, 2363 .map_name = "array_map_check_btf", 2364 .key_size = sizeof(int), 2365 .value_size = sizeof(int), 2366 .key_type_id = 2, 2367 .value_type_id = 1, 2368 .max_entries = 4, 2369 .map_create_err = true, 2370}, 2371 2372{ 2373 .descr = "arraymap invalid btf value (too small)", 2374 .raw_types = { 2375 /* int */ /* [1] */ 2376 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 2377 BTF_END_RAW, 2378 }, 2379 .str_sec = "", 2380 .str_sec_size = sizeof(""), 2381 .map_type = BPF_MAP_TYPE_ARRAY, 2382 .map_name = "array_map_check_btf", 2383 .key_size = sizeof(int), 2384 /* btf_value_size < map->value_size */ 2385 .value_size = sizeof(__u64), 2386 .key_type_id = 1, 2387 .value_type_id = 1, 2388 .max_entries = 4, 2389 .map_create_err = true, 2390}, 2391 2392{ 2393 .descr = "arraymap invalid btf value (too big)", 2394 .raw_types = { 2395 /* int */ /* [1] */ 2396 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 2397 BTF_END_RAW, 2398 }, 2399 .str_sec = "", 2400 .str_sec_size = sizeof(""), 2401 .map_type = BPF_MAP_TYPE_ARRAY, 2402 .map_name = "array_map_check_btf", 2403 .key_size = sizeof(int), 2404 /* btf_value_size > map->value_size */ 2405 .value_size = sizeof(__u16), 2406 .key_type_id = 1, 2407 .value_type_id = 1, 2408 .max_entries = 4, 2409 .map_create_err = true, 2410}, 2411 2412{ 2413 .descr = "func proto (int (*)(int, unsigned int))", 2414 .raw_types = { 2415 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2416 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2417 /* int (*)(int, unsigned int) */ 2418 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 2419 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2420 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2421 BTF_END_RAW, 2422 }, 2423 .str_sec = "", 2424 .str_sec_size = sizeof(""), 2425 .map_type = BPF_MAP_TYPE_ARRAY, 2426 .map_name = "func_proto_type_check_btf", 2427 .key_size = sizeof(int), 2428 .value_size = sizeof(int), 2429 .key_type_id = 1, 2430 .value_type_id = 1, 2431 .max_entries = 4, 2432}, 2433 2434{ 2435 .descr = "func proto (vararg)", 2436 .raw_types = { 2437 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2438 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2439 /* void (*)(int, unsigned int, ...) */ 2440 BTF_FUNC_PROTO_ENC(0, 3), /* [3] */ 2441 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2442 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2443 BTF_FUNC_PROTO_ARG_ENC(0, 0), 2444 BTF_END_RAW, 2445 }, 2446 .str_sec = "", 2447 .str_sec_size = sizeof(""), 2448 .map_type = BPF_MAP_TYPE_ARRAY, 2449 .map_name = "func_proto_type_check_btf", 2450 .key_size = sizeof(int), 2451 .value_size = sizeof(int), 2452 .key_type_id = 1, 2453 .value_type_id = 1, 2454 .max_entries = 4, 2455}, 2456 2457{ 2458 .descr = "func proto (vararg with name)", 2459 .raw_types = { 2460 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2461 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2462 /* void (*)(int a, unsigned int b, ... c) */ 2463 BTF_FUNC_PROTO_ENC(0, 3), /* [3] */ 2464 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2465 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2466 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 0), 2467 BTF_END_RAW, 2468 }, 2469 .str_sec = "\0a\0b\0c", 2470 .str_sec_size = sizeof("\0a\0b\0c"), 2471 .map_type = BPF_MAP_TYPE_ARRAY, 2472 .map_name = "func_proto_type_check_btf", 2473 .key_size = sizeof(int), 2474 .value_size = sizeof(int), 2475 .key_type_id = 1, 2476 .value_type_id = 1, 2477 .max_entries = 4, 2478 .btf_load_err = true, 2479 .err_str = "Invalid arg#3", 2480}, 2481 2482{ 2483 .descr = "func proto (arg after vararg)", 2484 .raw_types = { 2485 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2486 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2487 /* void (*)(int a, ..., unsigned int b) */ 2488 BTF_FUNC_PROTO_ENC(0, 3), /* [3] */ 2489 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2490 BTF_FUNC_PROTO_ARG_ENC(0, 0), 2491 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2492 BTF_END_RAW, 2493 }, 2494 .str_sec = "\0a\0b", 2495 .str_sec_size = sizeof("\0a\0b"), 2496 .map_type = BPF_MAP_TYPE_ARRAY, 2497 .map_name = "func_proto_type_check_btf", 2498 .key_size = sizeof(int), 2499 .value_size = sizeof(int), 2500 .key_type_id = 1, 2501 .value_type_id = 1, 2502 .max_entries = 4, 2503 .btf_load_err = true, 2504 .err_str = "Invalid arg#2", 2505}, 2506 2507{ 2508 .descr = "func proto (CONST=>TYPEDEF=>PTR=>FUNC_PROTO)", 2509 .raw_types = { 2510 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2511 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2512 /* typedef void (*func_ptr)(int, unsigned int) */ 2513 BTF_TYPEDEF_ENC(NAME_TBD, 5), /* [3] */ 2514 /* const func_ptr */ 2515 BTF_CONST_ENC(3), /* [4] */ 2516 BTF_PTR_ENC(6), /* [5] */ 2517 BTF_FUNC_PROTO_ENC(0, 2), /* [6] */ 2518 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2519 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2520 BTF_END_RAW, 2521 }, 2522 .str_sec = "\0func_ptr", 2523 .str_sec_size = sizeof("\0func_ptr"), 2524 .map_type = BPF_MAP_TYPE_ARRAY, 2525 .map_name = "func_proto_type_check_btf", 2526 .key_size = sizeof(int), 2527 .value_size = sizeof(int), 2528 .key_type_id = 1, 2529 .value_type_id = 1, 2530 .max_entries = 4, 2531}, 2532 2533{ 2534 .descr = "func proto (TYPEDEF=>FUNC_PROTO)", 2535 .raw_types = { 2536 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2537 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2538 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ 2539 BTF_FUNC_PROTO_ENC(0, 2), /* [4] */ 2540 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2541 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2542 BTF_END_RAW, 2543 }, 2544 .str_sec = "\0func_typedef", 2545 .str_sec_size = sizeof("\0func_typedef"), 2546 .map_type = BPF_MAP_TYPE_ARRAY, 2547 .map_name = "func_proto_type_check_btf", 2548 .key_size = sizeof(int), 2549 .value_size = sizeof(int), 2550 .key_type_id = 1, 2551 .value_type_id = 1, 2552 .max_entries = 4, 2553}, 2554 2555{ 2556 .descr = "func proto (btf_resolve(arg))", 2557 .raw_types = { 2558 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2559 /* void (*)(const void *) */ 2560 BTF_FUNC_PROTO_ENC(0, 1), /* [2] */ 2561 BTF_FUNC_PROTO_ARG_ENC(0, 3), 2562 BTF_CONST_ENC(4), /* [3] */ 2563 BTF_PTR_ENC(0), /* [4] */ 2564 BTF_END_RAW, 2565 }, 2566 .str_sec = "", 2567 .str_sec_size = sizeof(""), 2568 .map_type = BPF_MAP_TYPE_ARRAY, 2569 .map_name = "func_proto_type_check_btf", 2570 .key_size = sizeof(int), 2571 .value_size = sizeof(int), 2572 .key_type_id = 1, 2573 .value_type_id = 1, 2574 .max_entries = 4, 2575}, 2576 2577{ 2578 .descr = "func proto (Not all arg has name)", 2579 .raw_types = { 2580 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2581 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2582 /* void (*)(int, unsigned int b) */ 2583 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2584 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2585 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2586 BTF_END_RAW, 2587 }, 2588 .str_sec = "\0b", 2589 .str_sec_size = sizeof("\0b"), 2590 .map_type = BPF_MAP_TYPE_ARRAY, 2591 .map_name = "func_proto_type_check_btf", 2592 .key_size = sizeof(int), 2593 .value_size = sizeof(int), 2594 .key_type_id = 1, 2595 .value_type_id = 1, 2596 .max_entries = 4, 2597}, 2598 2599{ 2600 .descr = "func proto (Bad arg name_off)", 2601 .raw_types = { 2602 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2603 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2604 /* void (*)(int a, unsigned int <bad_name_off>) */ 2605 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2606 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2607 BTF_FUNC_PROTO_ARG_ENC(0x0fffffff, 2), 2608 BTF_END_RAW, 2609 }, 2610 .str_sec = "\0a", 2611 .str_sec_size = sizeof("\0a"), 2612 .map_type = BPF_MAP_TYPE_ARRAY, 2613 .map_name = "func_proto_type_check_btf", 2614 .key_size = sizeof(int), 2615 .value_size = sizeof(int), 2616 .key_type_id = 1, 2617 .value_type_id = 1, 2618 .max_entries = 4, 2619 .btf_load_err = true, 2620 .err_str = "Invalid arg#2", 2621}, 2622 2623{ 2624 .descr = "func proto (Bad arg name)", 2625 .raw_types = { 2626 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2627 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2628 /* void (*)(int a, unsigned int !!!) */ 2629 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2630 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2631 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2632 BTF_END_RAW, 2633 }, 2634 .str_sec = "\0a\0!!!", 2635 .str_sec_size = sizeof("\0a\0!!!"), 2636 .map_type = BPF_MAP_TYPE_ARRAY, 2637 .map_name = "func_proto_type_check_btf", 2638 .key_size = sizeof(int), 2639 .value_size = sizeof(int), 2640 .key_type_id = 1, 2641 .value_type_id = 1, 2642 .max_entries = 4, 2643 .btf_load_err = true, 2644 .err_str = "Invalid arg#2", 2645}, 2646 2647{ 2648 .descr = "func proto (Invalid return type)", 2649 .raw_types = { 2650 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2651 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2652 /* <bad_ret_type> (*)(int, unsigned int) */ 2653 BTF_FUNC_PROTO_ENC(100, 2), /* [3] */ 2654 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2655 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2656 BTF_END_RAW, 2657 }, 2658 .str_sec = "", 2659 .str_sec_size = sizeof(""), 2660 .map_type = BPF_MAP_TYPE_ARRAY, 2661 .map_name = "func_proto_type_check_btf", 2662 .key_size = sizeof(int), 2663 .value_size = sizeof(int), 2664 .key_type_id = 1, 2665 .value_type_id = 1, 2666 .max_entries = 4, 2667 .btf_load_err = true, 2668 .err_str = "Invalid return type", 2669}, 2670 2671{ 2672 .descr = "func proto (with func name)", 2673 .raw_types = { 2674 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2675 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2676 /* void func_proto(int, unsigned int) */ 2677 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 2), 0), /* [3] */ 2678 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2679 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2680 BTF_END_RAW, 2681 }, 2682 .str_sec = "\0func_proto", 2683 .str_sec_size = sizeof("\0func_proto"), 2684 .map_type = BPF_MAP_TYPE_ARRAY, 2685 .map_name = "func_proto_type_check_btf", 2686 .key_size = sizeof(int), 2687 .value_size = sizeof(int), 2688 .key_type_id = 1, 2689 .value_type_id = 1, 2690 .max_entries = 4, 2691 .btf_load_err = true, 2692 .err_str = "Invalid name", 2693}, 2694 2695{ 2696 .descr = "func proto (const void arg)", 2697 .raw_types = { 2698 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2699 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2700 /* void (*)(const void) */ 2701 BTF_FUNC_PROTO_ENC(0, 1), /* [3] */ 2702 BTF_FUNC_PROTO_ARG_ENC(0, 4), 2703 BTF_CONST_ENC(0), /* [4] */ 2704 BTF_END_RAW, 2705 }, 2706 .str_sec = "", 2707 .str_sec_size = sizeof(""), 2708 .map_type = BPF_MAP_TYPE_ARRAY, 2709 .map_name = "func_proto_type_check_btf", 2710 .key_size = sizeof(int), 2711 .value_size = sizeof(int), 2712 .key_type_id = 1, 2713 .value_type_id = 1, 2714 .max_entries = 4, 2715 .btf_load_err = true, 2716 .err_str = "Invalid arg#1", 2717}, 2718 2719{ 2720 .descr = "func (void func(int a, unsigned int b))", 2721 .raw_types = { 2722 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2723 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2724 /* void (*)(int a, unsigned int b) */ 2725 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2726 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2727 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2728 /* void func(int a, unsigned int b) */ 2729 BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */ 2730 BTF_END_RAW, 2731 }, 2732 .str_sec = "\0a\0b\0func", 2733 .str_sec_size = sizeof("\0a\0b\0func"), 2734 .map_type = BPF_MAP_TYPE_ARRAY, 2735 .map_name = "func_type_check_btf", 2736 .key_size = sizeof(int), 2737 .value_size = sizeof(int), 2738 .key_type_id = 1, 2739 .value_type_id = 1, 2740 .max_entries = 4, 2741}, 2742 2743{ 2744 .descr = "func (No func name)", 2745 .raw_types = { 2746 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2747 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2748 /* void (*)(int a, unsigned int b) */ 2749 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2750 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2751 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2752 /* void <no_name>(int a, unsigned int b) */ 2753 BTF_FUNC_ENC(0, 3), /* [4] */ 2754 BTF_END_RAW, 2755 }, 2756 .str_sec = "\0a\0b", 2757 .str_sec_size = sizeof("\0a\0b"), 2758 .map_type = BPF_MAP_TYPE_ARRAY, 2759 .map_name = "func_type_check_btf", 2760 .key_size = sizeof(int), 2761 .value_size = sizeof(int), 2762 .key_type_id = 1, 2763 .value_type_id = 1, 2764 .max_entries = 4, 2765 .btf_load_err = true, 2766 .err_str = "Invalid name", 2767}, 2768 2769{ 2770 .descr = "func (Invalid func name)", 2771 .raw_types = { 2772 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2773 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2774 /* void (*)(int a, unsigned int b) */ 2775 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2776 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2777 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2778 /* void !!!(int a, unsigned int b) */ 2779 BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */ 2780 BTF_END_RAW, 2781 }, 2782 .str_sec = "\0a\0b\0!!!", 2783 .str_sec_size = sizeof("\0a\0b\0!!!"), 2784 .map_type = BPF_MAP_TYPE_ARRAY, 2785 .map_name = "func_type_check_btf", 2786 .key_size = sizeof(int), 2787 .value_size = sizeof(int), 2788 .key_type_id = 1, 2789 .value_type_id = 1, 2790 .max_entries = 4, 2791 .btf_load_err = true, 2792 .err_str = "Invalid name", 2793}, 2794 2795{ 2796 .descr = "func (Some arg has no name)", 2797 .raw_types = { 2798 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2799 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2800 /* void (*)(int a, unsigned int) */ 2801 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2802 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2803 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2804 /* void func(int a, unsigned int) */ 2805 BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */ 2806 BTF_END_RAW, 2807 }, 2808 .str_sec = "\0a\0func", 2809 .str_sec_size = sizeof("\0a\0func"), 2810 .map_type = BPF_MAP_TYPE_ARRAY, 2811 .map_name = "func_type_check_btf", 2812 .key_size = sizeof(int), 2813 .value_size = sizeof(int), 2814 .key_type_id = 1, 2815 .value_type_id = 1, 2816 .max_entries = 4, 2817 .btf_load_err = true, 2818 .err_str = "Invalid arg#2", 2819}, 2820 2821{ 2822 .descr = "func (Non zero vlen)", 2823 .raw_types = { 2824 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2825 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2826 /* void (*)(int a, unsigned int b) */ 2827 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2828 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2829 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2830 /* void func(int a, unsigned int b) */ 2831 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 2), 3), /* [4] */ 2832 BTF_END_RAW, 2833 }, 2834 .str_sec = "\0a\0b\0func", 2835 .str_sec_size = sizeof("\0a\0b\0func"), 2836 .map_type = BPF_MAP_TYPE_ARRAY, 2837 .map_name = "func_type_check_btf", 2838 .key_size = sizeof(int), 2839 .value_size = sizeof(int), 2840 .key_type_id = 1, 2841 .value_type_id = 1, 2842 .max_entries = 4, 2843 .btf_load_err = true, 2844 .err_str = "Invalid func linkage", 2845}, 2846 2847{ 2848 .descr = "func (Not referring to FUNC_PROTO)", 2849 .raw_types = { 2850 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2851 BTF_FUNC_ENC(NAME_TBD, 1), /* [2] */ 2852 BTF_END_RAW, 2853 }, 2854 .str_sec = "\0func", 2855 .str_sec_size = sizeof("\0func"), 2856 .map_type = BPF_MAP_TYPE_ARRAY, 2857 .map_name = "func_type_check_btf", 2858 .key_size = sizeof(int), 2859 .value_size = sizeof(int), 2860 .key_type_id = 1, 2861 .value_type_id = 1, 2862 .max_entries = 4, 2863 .btf_load_err = true, 2864 .err_str = "Invalid type_id", 2865}, 2866 2867{ 2868 .descr = "invalid int kind_flag", 2869 .raw_types = { 2870 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2871 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 1, 0), 4), /* [2] */ 2872 BTF_INT_ENC(0, 0, 32), 2873 BTF_END_RAW, 2874 }, 2875 BTF_STR_SEC(""), 2876 .map_type = BPF_MAP_TYPE_ARRAY, 2877 .map_name = "int_type_check_btf", 2878 .key_size = sizeof(int), 2879 .value_size = sizeof(int), 2880 .key_type_id = 1, 2881 .value_type_id = 1, 2882 .max_entries = 4, 2883 .btf_load_err = true, 2884 .err_str = "Invalid btf_info kind_flag", 2885}, 2886 2887{ 2888 .descr = "invalid ptr kind_flag", 2889 .raw_types = { 2890 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2891 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 1, 0), 1), /* [2] */ 2892 BTF_END_RAW, 2893 }, 2894 BTF_STR_SEC(""), 2895 .map_type = BPF_MAP_TYPE_ARRAY, 2896 .map_name = "ptr_type_check_btf", 2897 .key_size = sizeof(int), 2898 .value_size = sizeof(int), 2899 .key_type_id = 1, 2900 .value_type_id = 1, 2901 .max_entries = 4, 2902 .btf_load_err = true, 2903 .err_str = "Invalid btf_info kind_flag", 2904}, 2905 2906{ 2907 .descr = "invalid array kind_flag", 2908 .raw_types = { 2909 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2910 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 1, 0), 0), /* [2] */ 2911 BTF_ARRAY_ENC(1, 1, 1), 2912 BTF_END_RAW, 2913 }, 2914 BTF_STR_SEC(""), 2915 .map_type = BPF_MAP_TYPE_ARRAY, 2916 .map_name = "array_type_check_btf", 2917 .key_size = sizeof(int), 2918 .value_size = sizeof(int), 2919 .key_type_id = 1, 2920 .value_type_id = 1, 2921 .max_entries = 4, 2922 .btf_load_err = true, 2923 .err_str = "Invalid btf_info kind_flag", 2924}, 2925 2926{ 2927 .descr = "valid fwd kind_flag", 2928 .raw_types = { 2929 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2930 BTF_TYPE_ENC(NAME_TBD, 2931 BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [2] */ 2932 BTF_END_RAW, 2933 }, 2934 BTF_STR_SEC("\0A"), 2935 .map_type = BPF_MAP_TYPE_ARRAY, 2936 .map_name = "fwd_type_check_btf", 2937 .key_size = sizeof(int), 2938 .value_size = sizeof(int), 2939 .key_type_id = 1, 2940 .value_type_id = 1, 2941 .max_entries = 4, 2942}, 2943 2944{ 2945 .descr = "invalid typedef kind_flag", 2946 .raw_types = { 2947 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2948 BTF_TYPE_ENC(NAME_TBD, 2949 BTF_INFO_ENC(BTF_KIND_TYPEDEF, 1, 0), 1), /* [2] */ 2950 BTF_END_RAW, 2951 }, 2952 BTF_STR_SEC("\0A"), 2953 .map_type = BPF_MAP_TYPE_ARRAY, 2954 .map_name = "typedef_type_check_btf", 2955 .key_size = sizeof(int), 2956 .value_size = sizeof(int), 2957 .key_type_id = 1, 2958 .value_type_id = 1, 2959 .max_entries = 4, 2960 .btf_load_err = true, 2961 .err_str = "Invalid btf_info kind_flag", 2962}, 2963 2964{ 2965 .descr = "invalid volatile kind_flag", 2966 .raw_types = { 2967 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2968 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 1, 0), 1), /* [2] */ 2969 BTF_END_RAW, 2970 }, 2971 BTF_STR_SEC(""), 2972 .map_type = BPF_MAP_TYPE_ARRAY, 2973 .map_name = "volatile_type_check_btf", 2974 .key_size = sizeof(int), 2975 .value_size = sizeof(int), 2976 .key_type_id = 1, 2977 .value_type_id = 1, 2978 .max_entries = 4, 2979 .btf_load_err = true, 2980 .err_str = "Invalid btf_info kind_flag", 2981}, 2982 2983{ 2984 .descr = "invalid const kind_flag", 2985 .raw_types = { 2986 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2987 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 1, 0), 1), /* [2] */ 2988 BTF_END_RAW, 2989 }, 2990 BTF_STR_SEC(""), 2991 .map_type = BPF_MAP_TYPE_ARRAY, 2992 .map_name = "const_type_check_btf", 2993 .key_size = sizeof(int), 2994 .value_size = sizeof(int), 2995 .key_type_id = 1, 2996 .value_type_id = 1, 2997 .max_entries = 4, 2998 .btf_load_err = true, 2999 .err_str = "Invalid btf_info kind_flag", 3000}, 3001 3002{ 3003 .descr = "invalid restrict kind_flag", 3004 .raw_types = { 3005 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3006 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 1, 0), 1), /* [2] */ 3007 BTF_END_RAW, 3008 }, 3009 BTF_STR_SEC(""), 3010 .map_type = BPF_MAP_TYPE_ARRAY, 3011 .map_name = "restrict_type_check_btf", 3012 .key_size = sizeof(int), 3013 .value_size = sizeof(int), 3014 .key_type_id = 1, 3015 .value_type_id = 1, 3016 .max_entries = 4, 3017 .btf_load_err = true, 3018 .err_str = "Invalid btf_info kind_flag", 3019}, 3020 3021{ 3022 .descr = "invalid func kind_flag", 3023 .raw_types = { 3024 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3025 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 0), 0), /* [2] */ 3026 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 1, 0), 2), /* [3] */ 3027 BTF_END_RAW, 3028 }, 3029 BTF_STR_SEC("\0A"), 3030 .map_type = BPF_MAP_TYPE_ARRAY, 3031 .map_name = "func_type_check_btf", 3032 .key_size = sizeof(int), 3033 .value_size = sizeof(int), 3034 .key_type_id = 1, 3035 .value_type_id = 1, 3036 .max_entries = 4, 3037 .btf_load_err = true, 3038 .err_str = "Invalid btf_info kind_flag", 3039}, 3040 3041{ 3042 .descr = "invalid func_proto kind_flag", 3043 .raw_types = { 3044 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3045 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 1, 0), 0), /* [2] */ 3046 BTF_END_RAW, 3047 }, 3048 BTF_STR_SEC(""), 3049 .map_type = BPF_MAP_TYPE_ARRAY, 3050 .map_name = "func_proto_type_check_btf", 3051 .key_size = sizeof(int), 3052 .value_size = sizeof(int), 3053 .key_type_id = 1, 3054 .value_type_id = 1, 3055 .max_entries = 4, 3056 .btf_load_err = true, 3057 .err_str = "Invalid btf_info kind_flag", 3058}, 3059 3060{ 3061 .descr = "valid struct, kind_flag, bitfield_size = 0", 3062 .raw_types = { 3063 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3064 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 8), /* [2] */ 3065 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 0)), 3066 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 32)), 3067 BTF_END_RAW, 3068 }, 3069 BTF_STR_SEC("\0A\0B"), 3070 .map_type = BPF_MAP_TYPE_ARRAY, 3071 .map_name = "struct_type_check_btf", 3072 .key_size = sizeof(int), 3073 .value_size = sizeof(int), 3074 .key_type_id = 1, 3075 .value_type_id = 1, 3076 .max_entries = 4, 3077}, 3078 3079{ 3080 .descr = "valid struct, kind_flag, int member, bitfield_size != 0", 3081 .raw_types = { 3082 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3083 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [2] */ 3084 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)), 3085 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 4)), 3086 BTF_END_RAW, 3087 }, 3088 BTF_STR_SEC("\0A\0B"), 3089 .map_type = BPF_MAP_TYPE_ARRAY, 3090 .map_name = "struct_type_check_btf", 3091 .key_size = sizeof(int), 3092 .value_size = sizeof(int), 3093 .key_type_id = 1, 3094 .value_type_id = 1, 3095 .max_entries = 4, 3096}, 3097 3098{ 3099 .descr = "valid union, kind_flag, int member, bitfield_size != 0", 3100 .raw_types = { 3101 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3102 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [2] */ 3103 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)), 3104 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)), 3105 BTF_END_RAW, 3106 }, 3107 BTF_STR_SEC("\0A\0B"), 3108 .map_type = BPF_MAP_TYPE_ARRAY, 3109 .map_name = "union_type_check_btf", 3110 .key_size = sizeof(int), 3111 .value_size = sizeof(int), 3112 .key_type_id = 1, 3113 .value_type_id = 1, 3114 .max_entries = 4, 3115}, 3116 3117{ 3118 .descr = "valid struct, kind_flag, enum member, bitfield_size != 0", 3119 .raw_types = { 3120 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3121 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ 3122 BTF_ENUM_ENC(NAME_TBD, 0), 3123 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */ 3124 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)), 3125 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 4)), 3126 BTF_END_RAW, 3127 }, 3128 BTF_STR_SEC("\0A\0B\0C"), 3129 .map_type = BPF_MAP_TYPE_ARRAY, 3130 .map_name = "struct_type_check_btf", 3131 .key_size = sizeof(int), 3132 .value_size = sizeof(int), 3133 .key_type_id = 1, 3134 .value_type_id = 1, 3135 .max_entries = 4, 3136}, 3137 3138{ 3139 .descr = "valid union, kind_flag, enum member, bitfield_size != 0", 3140 .raw_types = { 3141 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3142 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ 3143 BTF_ENUM_ENC(NAME_TBD, 0), 3144 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [3] */ 3145 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)), 3146 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)), 3147 BTF_END_RAW, 3148 }, 3149 BTF_STR_SEC("\0A\0B\0C"), 3150 .map_type = BPF_MAP_TYPE_ARRAY, 3151 .map_name = "union_type_check_btf", 3152 .key_size = sizeof(int), 3153 .value_size = sizeof(int), 3154 .key_type_id = 1, 3155 .value_type_id = 1, 3156 .max_entries = 4, 3157}, 3158 3159{ 3160 .descr = "valid struct, kind_flag, typedef member, bitfield_size != 0", 3161 .raw_types = { 3162 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3163 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ 3164 BTF_ENUM_ENC(NAME_TBD, 0), 3165 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */ 3166 BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)), 3167 BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 4)), 3168 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [4] */ 3169 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [5] */ 3170 BTF_END_RAW, 3171 }, 3172 BTF_STR_SEC("\0A\0B\0C\0D\0E"), 3173 .map_type = BPF_MAP_TYPE_ARRAY, 3174 .map_name = "struct_type_check_btf", 3175 .key_size = sizeof(int), 3176 .value_size = sizeof(int), 3177 .key_type_id = 1, 3178 .value_type_id = 1, 3179 .max_entries = 4, 3180}, 3181 3182{ 3183 .descr = "valid union, kind_flag, typedef member, bitfield_size != 0", 3184 .raw_types = { 3185 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3186 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ 3187 BTF_ENUM_ENC(NAME_TBD, 0), 3188 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [3] */ 3189 BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)), 3190 BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 0)), 3191 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [4] */ 3192 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [5] */ 3193 BTF_END_RAW, 3194 }, 3195 BTF_STR_SEC("\0A\0B\0C\0D\0E"), 3196 .map_type = BPF_MAP_TYPE_ARRAY, 3197 .map_name = "union_type_check_btf", 3198 .key_size = sizeof(int), 3199 .value_size = sizeof(int), 3200 .key_type_id = 1, 3201 .value_type_id = 1, 3202 .max_entries = 4, 3203}, 3204 3205{ 3206 .descr = "invalid struct, kind_flag, bitfield_size greater than struct size", 3207 .raw_types = { 3208 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3209 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [2] */ 3210 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)), 3211 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 20)), 3212 BTF_END_RAW, 3213 }, 3214 BTF_STR_SEC("\0A\0B"), 3215 .map_type = BPF_MAP_TYPE_ARRAY, 3216 .map_name = "struct_type_check_btf", 3217 .key_size = sizeof(int), 3218 .value_size = sizeof(int), 3219 .key_type_id = 1, 3220 .value_type_id = 1, 3221 .max_entries = 4, 3222 .btf_load_err = true, 3223 .err_str = "Member exceeds struct_size", 3224}, 3225 3226{ 3227 .descr = "invalid struct, kind_flag, bitfield base_type int not regular", 3228 .raw_types = { 3229 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3230 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 20, 4), /* [2] */ 3231 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [3] */ 3232 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 0)), 3233 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 20)), 3234 BTF_END_RAW, 3235 }, 3236 BTF_STR_SEC("\0A\0B"), 3237 .map_type = BPF_MAP_TYPE_ARRAY, 3238 .map_name = "struct_type_check_btf", 3239 .key_size = sizeof(int), 3240 .value_size = sizeof(int), 3241 .key_type_id = 1, 3242 .value_type_id = 1, 3243 .max_entries = 4, 3244 .btf_load_err = true, 3245 .err_str = "Invalid member base type", 3246}, 3247 3248{ 3249 .descr = "invalid struct, kind_flag, base_type int not regular", 3250 .raw_types = { 3251 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3252 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 12, 4), /* [2] */ 3253 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [3] */ 3254 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 0)), 3255 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 8)), 3256 BTF_END_RAW, 3257 }, 3258 BTF_STR_SEC("\0A\0B"), 3259 .map_type = BPF_MAP_TYPE_ARRAY, 3260 .map_name = "struct_type_check_btf", 3261 .key_size = sizeof(int), 3262 .value_size = sizeof(int), 3263 .key_type_id = 1, 3264 .value_type_id = 1, 3265 .max_entries = 4, 3266 .btf_load_err = true, 3267 .err_str = "Invalid member base type", 3268}, 3269 3270{ 3271 .descr = "invalid union, kind_flag, bitfield_size greater than struct size", 3272 .raw_types = { 3273 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3274 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 2), /* [2] */ 3275 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(8, 0)), 3276 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)), 3277 BTF_END_RAW, 3278 }, 3279 BTF_STR_SEC("\0A\0B"), 3280 .map_type = BPF_MAP_TYPE_ARRAY, 3281 .map_name = "union_type_check_btf", 3282 .key_size = sizeof(int), 3283 .value_size = sizeof(int), 3284 .key_type_id = 1, 3285 .value_type_id = 1, 3286 .max_entries = 4, 3287 .btf_load_err = true, 3288 .err_str = "Member exceeds struct_size", 3289}, 3290 3291{ 3292 .descr = "invalid struct, kind_flag, int member, bitfield_size = 0, wrong byte alignment", 3293 .raw_types = { 3294 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3295 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 3296 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12), /* [3] */ 3297 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), 3298 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)), 3299 BTF_END_RAW, 3300 }, 3301 BTF_STR_SEC("\0A\0B"), 3302 .map_type = BPF_MAP_TYPE_ARRAY, 3303 .map_name = "struct_type_check_btf", 3304 .key_size = sizeof(int), 3305 .value_size = sizeof(int), 3306 .key_type_id = 1, 3307 .value_type_id = 1, 3308 .max_entries = 4, 3309 .btf_load_err = true, 3310 .err_str = "Invalid member offset", 3311}, 3312 3313{ 3314 .descr = "invalid struct, kind_flag, enum member, bitfield_size = 0, wrong byte alignment", 3315 .raw_types = { 3316 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3317 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 3318 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ 3319 BTF_ENUM_ENC(NAME_TBD, 0), 3320 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12), /* [3] */ 3321 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), 3322 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)), 3323 BTF_END_RAW, 3324 }, 3325 BTF_STR_SEC("\0A\0B\0C"), 3326 .map_type = BPF_MAP_TYPE_ARRAY, 3327 .map_name = "struct_type_check_btf", 3328 .key_size = sizeof(int), 3329 .value_size = sizeof(int), 3330 .key_type_id = 1, 3331 .value_type_id = 1, 3332 .max_entries = 4, 3333 .btf_load_err = true, 3334 .err_str = "Invalid member offset", 3335}, 3336 3337{ 3338 .descr = "128-bit int", 3339 .raw_types = { 3340 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3341 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ 3342 BTF_END_RAW, 3343 }, 3344 BTF_STR_SEC("\0A"), 3345 .map_type = BPF_MAP_TYPE_ARRAY, 3346 .map_name = "int_type_check_btf", 3347 .key_size = sizeof(int), 3348 .value_size = sizeof(int), 3349 .key_type_id = 1, 3350 .value_type_id = 1, 3351 .max_entries = 4, 3352}, 3353 3354{ 3355 .descr = "struct, 128-bit int member", 3356 .raw_types = { 3357 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3358 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ 3359 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */ 3360 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3361 BTF_END_RAW, 3362 }, 3363 BTF_STR_SEC("\0A"), 3364 .map_type = BPF_MAP_TYPE_ARRAY, 3365 .map_name = "struct_type_check_btf", 3366 .key_size = sizeof(int), 3367 .value_size = sizeof(int), 3368 .key_type_id = 1, 3369 .value_type_id = 1, 3370 .max_entries = 4, 3371}, 3372 3373{ 3374 .descr = "struct, 120-bit int member bitfield", 3375 .raw_types = { 3376 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3377 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 120, 16), /* [2] */ 3378 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */ 3379 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3380 BTF_END_RAW, 3381 }, 3382 BTF_STR_SEC("\0A"), 3383 .map_type = BPF_MAP_TYPE_ARRAY, 3384 .map_name = "struct_type_check_btf", 3385 .key_size = sizeof(int), 3386 .value_size = sizeof(int), 3387 .key_type_id = 1, 3388 .value_type_id = 1, 3389 .max_entries = 4, 3390}, 3391 3392{ 3393 .descr = "struct, kind_flag, 128-bit int member", 3394 .raw_types = { 3395 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3396 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ 3397 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */ 3398 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), 3399 BTF_END_RAW, 3400 }, 3401 BTF_STR_SEC("\0A"), 3402 .map_type = BPF_MAP_TYPE_ARRAY, 3403 .map_name = "struct_type_check_btf", 3404 .key_size = sizeof(int), 3405 .value_size = sizeof(int), 3406 .key_type_id = 1, 3407 .value_type_id = 1, 3408 .max_entries = 4, 3409}, 3410 3411{ 3412 .descr = "struct, kind_flag, 120-bit int member bitfield", 3413 .raw_types = { 3414 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3415 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ 3416 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */ 3417 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(120, 0)), 3418 BTF_END_RAW, 3419 }, 3420 BTF_STR_SEC("\0A"), 3421 .map_type = BPF_MAP_TYPE_ARRAY, 3422 .map_name = "struct_type_check_btf", 3423 .key_size = sizeof(int), 3424 .value_size = sizeof(int), 3425 .key_type_id = 1, 3426 .value_type_id = 1, 3427 .max_entries = 4, 3428}, 3429/* 3430 * typedef int arr_t[16]; 3431 * struct s { 3432 * arr_t *a; 3433 * }; 3434 */ 3435{ 3436 .descr = "struct->ptr->typedef->array->int size resolution", 3437 .raw_types = { 3438 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */ 3439 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3440 BTF_PTR_ENC(3), /* [2] */ 3441 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ 3442 BTF_TYPE_ARRAY_ENC(5, 5, 16), /* [4] */ 3443 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [5] */ 3444 BTF_END_RAW, 3445 }, 3446 BTF_STR_SEC("\0s\0a\0arr_t"), 3447 .map_type = BPF_MAP_TYPE_ARRAY, 3448 .map_name = "ptr_mod_chain_size_resolve_map", 3449 .key_size = sizeof(int), 3450 .value_size = sizeof(int) * 16, 3451 .key_type_id = 5 /* int */, 3452 .value_type_id = 3 /* arr_t */, 3453 .max_entries = 4, 3454}, 3455/* 3456 * typedef int arr_t[16][8][4]; 3457 * struct s { 3458 * arr_t *a; 3459 * }; 3460 */ 3461{ 3462 .descr = "struct->ptr->typedef->multi-array->int size resolution", 3463 .raw_types = { 3464 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */ 3465 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3466 BTF_PTR_ENC(3), /* [2] */ 3467 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ 3468 BTF_TYPE_ARRAY_ENC(5, 7, 16), /* [4] */ 3469 BTF_TYPE_ARRAY_ENC(6, 7, 8), /* [5] */ 3470 BTF_TYPE_ARRAY_ENC(7, 7, 4), /* [6] */ 3471 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [7] */ 3472 BTF_END_RAW, 3473 }, 3474 BTF_STR_SEC("\0s\0a\0arr_t"), 3475 .map_type = BPF_MAP_TYPE_ARRAY, 3476 .map_name = "multi_arr_size_resolve_map", 3477 .key_size = sizeof(int), 3478 .value_size = sizeof(int) * 16 * 8 * 4, 3479 .key_type_id = 7 /* int */, 3480 .value_type_id = 3 /* arr_t */, 3481 .max_entries = 4, 3482}, 3483/* 3484 * typedef int int_t; 3485 * typedef int_t arr3_t[4]; 3486 * typedef arr3_t arr2_t[8]; 3487 * typedef arr2_t arr1_t[16]; 3488 * struct s { 3489 * arr1_t *a; 3490 * }; 3491 */ 3492{ 3493 .descr = "typedef/multi-arr mix size resolution", 3494 .raw_types = { 3495 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */ 3496 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3497 BTF_PTR_ENC(3), /* [2] */ 3498 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ 3499 BTF_TYPE_ARRAY_ENC(5, 10, 16), /* [4] */ 3500 BTF_TYPEDEF_ENC(NAME_TBD, 6), /* [5] */ 3501 BTF_TYPE_ARRAY_ENC(7, 10, 8), /* [6] */ 3502 BTF_TYPEDEF_ENC(NAME_TBD, 8), /* [7] */ 3503 BTF_TYPE_ARRAY_ENC(9, 10, 4), /* [8] */ 3504 BTF_TYPEDEF_ENC(NAME_TBD, 10), /* [9] */ 3505 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [10] */ 3506 BTF_END_RAW, 3507 }, 3508 BTF_STR_SEC("\0s\0a\0arr1_t\0arr2_t\0arr3_t\0int_t"), 3509 .map_type = BPF_MAP_TYPE_ARRAY, 3510 .map_name = "typedef_arra_mix_size_resolve_map", 3511 .key_size = sizeof(int), 3512 .value_size = sizeof(int) * 16 * 8 * 4, 3513 .key_type_id = 10 /* int */, 3514 .value_type_id = 3 /* arr_t */, 3515 .max_entries = 4, 3516}, 3517/* 3518 * elf .rodata section size 4 and btf .rodata section vlen 0. 3519 */ 3520{ 3521 .descr = "datasec: vlen == 0", 3522 .raw_types = { 3523 /* int */ 3524 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3525 /* .rodata section */ 3526 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 0), 4), 3527 /* [2] */ 3528 BTF_END_RAW, 3529 }, 3530 BTF_STR_SEC("\0.rodata"), 3531 .map_type = BPF_MAP_TYPE_ARRAY, 3532 .key_size = sizeof(int), 3533 .value_size = sizeof(int), 3534 .key_type_id = 1, 3535 .value_type_id = 1, 3536 .max_entries = 1, 3537}, 3538{ 3539 .descr = "datasec: name '?.foo bar:buz' is ok", 3540 .raw_types = { 3541 /* int */ 3542 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3543 /* VAR x */ /* [2] */ 3544 BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), 1), 3545 BTF_VAR_STATIC, 3546 /* DATASEC ?.data */ /* [3] */ 3547 BTF_TYPE_ENC(3, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 3548 BTF_VAR_SECINFO_ENC(2, 0, 4), 3549 BTF_END_RAW, 3550 }, 3551 BTF_STR_SEC("\0x\0?.foo bar:buz"), 3552}, 3553{ 3554 .descr = "datasec: name with non-printable first char not is ok", 3555 .raw_types = { 3556 /* int */ 3557 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3558 /* VAR x */ /* [2] */ 3559 BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), 1), 3560 BTF_VAR_STATIC, 3561 /* DATASEC ?.data */ /* [3] */ 3562 BTF_TYPE_ENC(3, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 3563 BTF_VAR_SECINFO_ENC(2, 0, 4), 3564 BTF_END_RAW, 3565 }, 3566 BTF_STR_SEC("\0x\0\7foo"), 3567 .err_str = "Invalid name", 3568 .btf_load_err = true, 3569}, 3570{ 3571 .descr = "datasec: name '\\0' is not ok", 3572 .raw_types = { 3573 /* int */ 3574 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3575 /* VAR x */ /* [2] */ 3576 BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), 1), 3577 BTF_VAR_STATIC, 3578 /* DATASEC \0 */ /* [3] */ 3579 BTF_TYPE_ENC(3, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 3580 BTF_VAR_SECINFO_ENC(2, 0, 4), 3581 BTF_END_RAW, 3582 }, 3583 BTF_STR_SEC("\0x\0"), 3584 .err_str = "Invalid name", 3585 .btf_load_err = true, 3586}, 3587{ 3588 .descr = "type name '?foo' is not ok", 3589 .raw_types = { 3590 /* union ?foo; */ 3591 BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */ 3592 BTF_END_RAW, 3593 }, 3594 BTF_STR_SEC("\0?foo"), 3595 .err_str = "Invalid name", 3596 .btf_load_err = true, 3597}, 3598 3599{ 3600 .descr = "float test #1, well-formed", 3601 .raw_types = { 3602 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3603 /* [1] */ 3604 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [2] */ 3605 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [3] */ 3606 BTF_TYPE_FLOAT_ENC(NAME_TBD, 8), /* [4] */ 3607 BTF_TYPE_FLOAT_ENC(NAME_TBD, 12), /* [5] */ 3608 BTF_TYPE_FLOAT_ENC(NAME_TBD, 16), /* [6] */ 3609 BTF_STRUCT_ENC(NAME_TBD, 5, 48), /* [7] */ 3610 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3611 BTF_MEMBER_ENC(NAME_TBD, 3, 32), 3612 BTF_MEMBER_ENC(NAME_TBD, 4, 64), 3613 BTF_MEMBER_ENC(NAME_TBD, 5, 128), 3614 BTF_MEMBER_ENC(NAME_TBD, 6, 256), 3615 BTF_END_RAW, 3616 }, 3617 BTF_STR_SEC("\0int\0_Float16\0float\0double\0_Float80\0long_double" 3618 "\0floats\0a\0b\0c\0d\0e"), 3619 .map_type = BPF_MAP_TYPE_ARRAY, 3620 .map_name = "float_type_check_btf", 3621 .key_size = sizeof(int), 3622 .value_size = 48, 3623 .key_type_id = 1, 3624 .value_type_id = 7, 3625 .max_entries = 1, 3626}, 3627{ 3628 .descr = "float test #2, invalid vlen", 3629 .raw_types = { 3630 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3631 /* [1] */ 3632 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 0, 1), 4), 3633 /* [2] */ 3634 BTF_END_RAW, 3635 }, 3636 BTF_STR_SEC("\0int\0float"), 3637 .map_type = BPF_MAP_TYPE_ARRAY, 3638 .map_name = "float_type_check_btf", 3639 .key_size = sizeof(int), 3640 .value_size = 4, 3641 .key_type_id = 1, 3642 .value_type_id = 2, 3643 .max_entries = 1, 3644 .btf_load_err = true, 3645 .err_str = "vlen != 0", 3646}, 3647{ 3648 .descr = "float test #3, invalid kind_flag", 3649 .raw_types = { 3650 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3651 /* [1] */ 3652 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 1, 0), 4), 3653 /* [2] */ 3654 BTF_END_RAW, 3655 }, 3656 BTF_STR_SEC("\0int\0float"), 3657 .map_type = BPF_MAP_TYPE_ARRAY, 3658 .map_name = "float_type_check_btf", 3659 .key_size = sizeof(int), 3660 .value_size = 4, 3661 .key_type_id = 1, 3662 .value_type_id = 2, 3663 .max_entries = 1, 3664 .btf_load_err = true, 3665 .err_str = "Invalid btf_info kind_flag", 3666}, 3667{ 3668 .descr = "float test #4, member does not fit", 3669 .raw_types = { 3670 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3671 /* [1] */ 3672 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */ 3673 BTF_STRUCT_ENC(NAME_TBD, 1, 2), /* [3] */ 3674 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3675 BTF_END_RAW, 3676 }, 3677 BTF_STR_SEC("\0int\0float\0floats\0x"), 3678 .map_type = BPF_MAP_TYPE_ARRAY, 3679 .map_name = "float_type_check_btf", 3680 .key_size = sizeof(int), 3681 .value_size = 4, 3682 .key_type_id = 1, 3683 .value_type_id = 3, 3684 .max_entries = 1, 3685 .btf_load_err = true, 3686 .err_str = "Member exceeds struct_size", 3687}, 3688{ 3689 .descr = "float test #5, member is not properly aligned", 3690 .raw_types = { 3691 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3692 /* [1] */ 3693 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */ 3694 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] */ 3695 BTF_MEMBER_ENC(NAME_TBD, 2, 8), 3696 BTF_END_RAW, 3697 }, 3698 BTF_STR_SEC("\0int\0float\0floats\0x"), 3699 .map_type = BPF_MAP_TYPE_ARRAY, 3700 .map_name = "float_type_check_btf", 3701 .key_size = sizeof(int), 3702 .value_size = 4, 3703 .key_type_id = 1, 3704 .value_type_id = 3, 3705 .max_entries = 1, 3706 .btf_load_err = true, 3707 .err_str = "Member is not properly aligned", 3708}, 3709{ 3710 .descr = "float test #6, invalid size", 3711 .raw_types = { 3712 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3713 /* [1] */ 3714 BTF_TYPE_FLOAT_ENC(NAME_TBD, 6), /* [2] */ 3715 BTF_END_RAW, 3716 }, 3717 BTF_STR_SEC("\0int\0float"), 3718 .map_type = BPF_MAP_TYPE_ARRAY, 3719 .map_name = "float_type_check_btf", 3720 .key_size = sizeof(int), 3721 .value_size = 6, 3722 .key_type_id = 1, 3723 .value_type_id = 2, 3724 .max_entries = 1, 3725 .btf_load_err = true, 3726 .err_str = "Invalid type_size", 3727}, 3728 3729{ 3730 .descr = "decl_tag test #1, struct/member, well-formed", 3731 .raw_types = { 3732 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3733 BTF_STRUCT_ENC(0, 2, 8), /* [2] */ 3734 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 3735 BTF_MEMBER_ENC(NAME_TBD, 1, 32), 3736 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), 3737 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), 3738 BTF_DECL_TAG_ENC(NAME_TBD, 2, 1), 3739 BTF_END_RAW, 3740 }, 3741 BTF_STR_SEC("\0m1\0m2\0tag1\0tag2\0tag3"), 3742 .map_type = BPF_MAP_TYPE_ARRAY, 3743 .map_name = "tag_type_check_btf", 3744 .key_size = sizeof(int), 3745 .value_size = 8, 3746 .key_type_id = 1, 3747 .value_type_id = 2, 3748 .max_entries = 1, 3749}, 3750{ 3751 .descr = "decl_tag test #2, union/member, well-formed", 3752 .raw_types = { 3753 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3754 BTF_UNION_ENC(NAME_TBD, 2, 4), /* [2] */ 3755 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 3756 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 3757 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), 3758 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), 3759 BTF_DECL_TAG_ENC(NAME_TBD, 2, 1), 3760 BTF_END_RAW, 3761 }, 3762 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), 3763 .map_type = BPF_MAP_TYPE_ARRAY, 3764 .map_name = "tag_type_check_btf", 3765 .key_size = sizeof(int), 3766 .value_size = 4, 3767 .key_type_id = 1, 3768 .value_type_id = 2, 3769 .max_entries = 1, 3770}, 3771{ 3772 .descr = "decl_tag test #3, variable, well-formed", 3773 .raw_types = { 3774 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3775 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 3776 BTF_VAR_ENC(NAME_TBD, 1, 1), /* [3] */ 3777 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), 3778 BTF_DECL_TAG_ENC(NAME_TBD, 3, -1), 3779 BTF_END_RAW, 3780 }, 3781 BTF_STR_SEC("\0local\0global\0tag1\0tag2"), 3782 .map_type = BPF_MAP_TYPE_ARRAY, 3783 .map_name = "tag_type_check_btf", 3784 .key_size = sizeof(int), 3785 .value_size = 4, 3786 .key_type_id = 1, 3787 .value_type_id = 1, 3788 .max_entries = 1, 3789}, 3790{ 3791 .descr = "decl_tag test #4, func/parameter, well-formed", 3792 .raw_types = { 3793 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3794 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 3795 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3796 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3797 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 3798 BTF_DECL_TAG_ENC(NAME_TBD, 3, -1), 3799 BTF_DECL_TAG_ENC(NAME_TBD, 3, 0), 3800 BTF_DECL_TAG_ENC(NAME_TBD, 3, 1), 3801 BTF_END_RAW, 3802 }, 3803 BTF_STR_SEC("\0arg1\0arg2\0f\0tag1\0tag2\0tag3"), 3804 .map_type = BPF_MAP_TYPE_ARRAY, 3805 .map_name = "tag_type_check_btf", 3806 .key_size = sizeof(int), 3807 .value_size = 4, 3808 .key_type_id = 1, 3809 .value_type_id = 1, 3810 .max_entries = 1, 3811}, 3812{ 3813 .descr = "decl_tag test #5, invalid value", 3814 .raw_types = { 3815 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3816 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 3817 BTF_DECL_TAG_ENC(0, 2, -1), 3818 BTF_END_RAW, 3819 }, 3820 BTF_STR_SEC("\0local\0tag"), 3821 .map_type = BPF_MAP_TYPE_ARRAY, 3822 .map_name = "tag_type_check_btf", 3823 .key_size = sizeof(int), 3824 .value_size = 4, 3825 .key_type_id = 1, 3826 .value_type_id = 1, 3827 .max_entries = 1, 3828 .btf_load_err = true, 3829 .err_str = "Invalid value", 3830}, 3831{ 3832 .descr = "decl_tag test #6, invalid target type", 3833 .raw_types = { 3834 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3835 BTF_DECL_TAG_ENC(NAME_TBD, 1, -1), 3836 BTF_END_RAW, 3837 }, 3838 BTF_STR_SEC("\0tag1"), 3839 .map_type = BPF_MAP_TYPE_ARRAY, 3840 .map_name = "tag_type_check_btf", 3841 .key_size = sizeof(int), 3842 .value_size = 4, 3843 .key_type_id = 1, 3844 .value_type_id = 1, 3845 .max_entries = 1, 3846 .btf_load_err = true, 3847 .err_str = "Invalid type", 3848}, 3849{ 3850 .descr = "decl_tag test #7, invalid vlen", 3851 .raw_types = { 3852 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3853 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 3854 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 1), 2), (0), 3855 BTF_END_RAW, 3856 }, 3857 BTF_STR_SEC("\0local\0tag1"), 3858 .map_type = BPF_MAP_TYPE_ARRAY, 3859 .map_name = "tag_type_check_btf", 3860 .key_size = sizeof(int), 3861 .value_size = 4, 3862 .key_type_id = 1, 3863 .value_type_id = 1, 3864 .max_entries = 1, 3865 .btf_load_err = true, 3866 .err_str = "vlen != 0", 3867}, 3868{ 3869 .descr = "decl_tag test #8, tag with kflag", 3870 .raw_types = { 3871 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3872 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 3873 BTF_DECL_ATTR_ENC(NAME_TBD, 2, -1), 3874 BTF_END_RAW, 3875 }, 3876 BTF_STR_SEC("\0local\0tag1"), 3877 .map_type = BPF_MAP_TYPE_ARRAY, 3878 .map_name = "tag_type_check_btf", 3879 .key_size = sizeof(int), 3880 .value_size = 4, 3881 .key_type_id = 1, 3882 .value_type_id = 1, 3883 .max_entries = 1, 3884}, 3885{ 3886 .descr = "decl_tag test #9, var, invalid component_idx", 3887 .raw_types = { 3888 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3889 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 3890 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), 3891 BTF_END_RAW, 3892 }, 3893 BTF_STR_SEC("\0local\0tag"), 3894 .map_type = BPF_MAP_TYPE_ARRAY, 3895 .map_name = "tag_type_check_btf", 3896 .key_size = sizeof(int), 3897 .value_size = 4, 3898 .key_type_id = 1, 3899 .value_type_id = 1, 3900 .max_entries = 1, 3901 .btf_load_err = true, 3902 .err_str = "Invalid component_idx", 3903}, 3904{ 3905 .descr = "decl_tag test #10, struct member, invalid component_idx", 3906 .raw_types = { 3907 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3908 BTF_STRUCT_ENC(0, 2, 8), /* [2] */ 3909 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 3910 BTF_MEMBER_ENC(NAME_TBD, 1, 32), 3911 BTF_DECL_TAG_ENC(NAME_TBD, 2, 2), 3912 BTF_END_RAW, 3913 }, 3914 BTF_STR_SEC("\0m1\0m2\0tag"), 3915 .map_type = BPF_MAP_TYPE_ARRAY, 3916 .map_name = "tag_type_check_btf", 3917 .key_size = sizeof(int), 3918 .value_size = 8, 3919 .key_type_id = 1, 3920 .value_type_id = 2, 3921 .max_entries = 1, 3922 .btf_load_err = true, 3923 .err_str = "Invalid component_idx", 3924}, 3925{ 3926 .descr = "decl_tag test #11, func parameter, invalid component_idx", 3927 .raw_types = { 3928 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3929 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 3930 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3931 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3932 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 3933 BTF_DECL_TAG_ENC(NAME_TBD, 3, 2), 3934 BTF_END_RAW, 3935 }, 3936 BTF_STR_SEC("\0arg1\0arg2\0f\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 #12, < -1 component_idx", 3949 .raw_types = { 3950 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3951 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 3952 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3953 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3954 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 3955 BTF_DECL_TAG_ENC(NAME_TBD, 3, -2), 3956 BTF_END_RAW, 3957 }, 3958 BTF_STR_SEC("\0arg1\0arg2\0f\0tag"), 3959 .map_type = BPF_MAP_TYPE_ARRAY, 3960 .map_name = "tag_type_check_btf", 3961 .key_size = sizeof(int), 3962 .value_size = 4, 3963 .key_type_id = 1, 3964 .value_type_id = 1, 3965 .max_entries = 1, 3966 .btf_load_err = true, 3967 .err_str = "Invalid component_idx", 3968}, 3969{ 3970 .descr = "decl_tag test #13, typedef, well-formed", 3971 .raw_types = { 3972 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3973 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */ 3974 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), 3975 BTF_END_RAW, 3976 }, 3977 BTF_STR_SEC("\0t\0tag"), 3978 .map_type = BPF_MAP_TYPE_ARRAY, 3979 .map_name = "tag_type_check_btf", 3980 .key_size = sizeof(int), 3981 .value_size = 4, 3982 .key_type_id = 1, 3983 .value_type_id = 1, 3984 .max_entries = 1, 3985}, 3986{ 3987 .descr = "decl_tag test #14, typedef, invalid component_idx", 3988 .raw_types = { 3989 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3990 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */ 3991 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), 3992 BTF_END_RAW, 3993 }, 3994 BTF_STR_SEC("\0local\0tag"), 3995 .map_type = BPF_MAP_TYPE_ARRAY, 3996 .map_name = "tag_type_check_btf", 3997 .key_size = sizeof(int), 3998 .value_size = 4, 3999 .key_type_id = 1, 4000 .value_type_id = 1, 4001 .max_entries = 1, 4002 .btf_load_err = true, 4003 .err_str = "Invalid component_idx", 4004}, 4005{ 4006 .descr = "decl_tag test #15, func, invalid func proto", 4007 .raw_types = { 4008 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4009 BTF_DECL_TAG_ENC(NAME_TBD, 3, 0), /* [2] */ 4010 BTF_FUNC_ENC(NAME_TBD, 8), /* [3] */ 4011 BTF_END_RAW, 4012 }, 4013 BTF_STR_SEC("\0tag\0func"), 4014 .map_type = BPF_MAP_TYPE_ARRAY, 4015 .map_name = "tag_type_check_btf", 4016 .key_size = sizeof(int), 4017 .value_size = 4, 4018 .key_type_id = 1, 4019 .value_type_id = 1, 4020 .max_entries = 1, 4021 .btf_load_err = true, 4022 .err_str = "Invalid type_id", 4023}, 4024{ 4025 .descr = "decl_tag test #16, func proto, return type", 4026 .raw_types = { 4027 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4028 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 4029 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 2), (-1), /* [3] */ 4030 BTF_FUNC_PROTO_ENC(3, 0), /* [4] */ 4031 BTF_END_RAW, 4032 }, 4033 BTF_STR_SEC("\0local\0tag1"), 4034 .btf_load_err = true, 4035 .err_str = "Invalid return type", 4036}, 4037{ 4038 .descr = "decl_tag test #17, func proto, argument", 4039 .raw_types = { 4040 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 4), (-1), /* [1] */ 4041 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), /* [2] */ 4042 BTF_FUNC_PROTO_ENC(0, 1), /* [3] */ 4043 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 4044 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [4] */ 4045 BTF_END_RAW, 4046 }, 4047 BTF_STR_SEC("\0local\0tag1\0var"), 4048 .btf_load_err = true, 4049 .err_str = "Invalid arg#1", 4050}, 4051{ 4052 .descr = "decl_tag test #18, decl_tag as the map key type", 4053 .raw_types = { 4054 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4055 BTF_STRUCT_ENC(0, 2, 8), /* [2] */ 4056 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 4057 BTF_MEMBER_ENC(NAME_TBD, 1, 32), 4058 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */ 4059 BTF_END_RAW, 4060 }, 4061 BTF_STR_SEC("\0m1\0m2\0tag"), 4062 .map_type = BPF_MAP_TYPE_HASH, 4063 .map_name = "tag_type_check_btf", 4064 .key_size = 8, 4065 .value_size = 4, 4066 .key_type_id = 3, 4067 .value_type_id = 1, 4068 .max_entries = 1, 4069 .map_create_err = true, 4070}, 4071{ 4072 .descr = "decl_tag test #19, decl_tag as the map value type", 4073 .raw_types = { 4074 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4075 BTF_STRUCT_ENC(0, 2, 8), /* [2] */ 4076 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 4077 BTF_MEMBER_ENC(NAME_TBD, 1, 32), 4078 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */ 4079 BTF_END_RAW, 4080 }, 4081 BTF_STR_SEC("\0m1\0m2\0tag"), 4082 .map_type = BPF_MAP_TYPE_HASH, 4083 .map_name = "tag_type_check_btf", 4084 .key_size = 4, 4085 .value_size = 8, 4086 .key_type_id = 1, 4087 .value_type_id = 3, 4088 .max_entries = 1, 4089 .map_create_err = true, 4090}, 4091{ 4092 .descr = "type_tag test #1", 4093 .raw_types = { 4094 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4095 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [2] */ 4096 BTF_PTR_ENC(2), /* [3] */ 4097 BTF_END_RAW, 4098 }, 4099 BTF_STR_SEC("\0tag"), 4100 .map_type = BPF_MAP_TYPE_ARRAY, 4101 .map_name = "tag_type_check_btf", 4102 .key_size = sizeof(int), 4103 .value_size = 4, 4104 .key_type_id = 1, 4105 .value_type_id = 1, 4106 .max_entries = 1, 4107}, 4108{ 4109 .descr = "type_tag test #2, type tag order", 4110 .raw_types = { 4111 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4112 BTF_CONST_ENC(3), /* [2] */ 4113 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [3] */ 4114 BTF_END_RAW, 4115 }, 4116 BTF_STR_SEC("\0tag"), 4117 .map_type = BPF_MAP_TYPE_ARRAY, 4118 .map_name = "tag_type_check_btf", 4119 .key_size = sizeof(int), 4120 .value_size = 4, 4121 .key_type_id = 1, 4122 .value_type_id = 1, 4123 .max_entries = 1, 4124 .btf_load_err = true, 4125 .err_str = "Type tags don't precede modifiers", 4126}, 4127{ 4128 .descr = "type_tag test #3, type tag order", 4129 .raw_types = { 4130 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4131 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */ 4132 BTF_CONST_ENC(4), /* [3] */ 4133 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */ 4134 BTF_END_RAW, 4135 }, 4136 BTF_STR_SEC("\0tag\0tag"), 4137 .map_type = BPF_MAP_TYPE_ARRAY, 4138 .map_name = "tag_type_check_btf", 4139 .key_size = sizeof(int), 4140 .value_size = 4, 4141 .key_type_id = 1, 4142 .value_type_id = 1, 4143 .max_entries = 1, 4144 .btf_load_err = true, 4145 .err_str = "Type tags don't precede modifiers", 4146}, 4147{ 4148 .descr = "type_tag test #4, type tag order", 4149 .raw_types = { 4150 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4151 BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [2] */ 4152 BTF_CONST_ENC(4), /* [3] */ 4153 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */ 4154 BTF_END_RAW, 4155 }, 4156 BTF_STR_SEC("\0tag\0tag"), 4157 .map_type = BPF_MAP_TYPE_ARRAY, 4158 .map_name = "tag_type_check_btf", 4159 .key_size = sizeof(int), 4160 .value_size = 4, 4161 .key_type_id = 1, 4162 .value_type_id = 1, 4163 .max_entries = 1, 4164 .btf_load_err = true, 4165 .err_str = "Type tags don't precede modifiers", 4166}, 4167{ 4168 .descr = "type_tag test #5, type tag order", 4169 .raw_types = { 4170 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4171 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */ 4172 BTF_CONST_ENC(1), /* [3] */ 4173 BTF_TYPE_TAG_ENC(NAME_TBD, 2), /* [4] */ 4174 BTF_END_RAW, 4175 }, 4176 BTF_STR_SEC("\0tag\0tag"), 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 = 1, 4183 .max_entries = 1, 4184}, 4185{ 4186 .descr = "type_tag test #6, type tag order", 4187 .raw_types = { 4188 BTF_PTR_ENC(2), /* [1] */ 4189 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */ 4190 BTF_CONST_ENC(4), /* [3] */ 4191 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */ 4192 BTF_PTR_ENC(6), /* [5] */ 4193 BTF_CONST_ENC(2), /* [6] */ 4194 BTF_END_RAW, 4195 }, 4196 BTF_STR_SEC("\0tag"), 4197 .map_type = BPF_MAP_TYPE_ARRAY, 4198 .map_name = "tag_type_check_btf", 4199 .key_size = sizeof(int), 4200 .value_size = 4, 4201 .key_type_id = 1, 4202 .value_type_id = 1, 4203 .max_entries = 1, 4204 .btf_load_err = true, 4205 .err_str = "Type tags don't precede modifiers", 4206}, 4207{ 4208 .descr = "type_tag test #7, tag with kflag", 4209 .raw_types = { 4210 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4211 BTF_TYPE_ATTR_ENC(NAME_TBD, 1), /* [2] */ 4212 BTF_PTR_ENC(2), /* [3] */ 4213 BTF_END_RAW, 4214 }, 4215 BTF_STR_SEC("\0tag"), 4216 .map_type = BPF_MAP_TYPE_ARRAY, 4217 .map_name = "tag_type_check_btf", 4218 .key_size = sizeof(int), 4219 .value_size = 4, 4220 .key_type_id = 1, 4221 .value_type_id = 1, 4222 .max_entries = 1, 4223}, 4224{ 4225 .descr = "enum64 test #1, unsigned, size 8", 4226 .raw_types = { 4227 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4228 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [2] */ 4229 BTF_ENUM64_ENC(NAME_TBD, 0, 0), 4230 BTF_ENUM64_ENC(NAME_TBD, 1, 1), 4231 BTF_END_RAW, 4232 }, 4233 BTF_STR_SEC("\0a\0b\0c"), 4234 .map_type = BPF_MAP_TYPE_ARRAY, 4235 .map_name = "tag_type_check_btf", 4236 .key_size = sizeof(int), 4237 .value_size = 8, 4238 .key_type_id = 1, 4239 .value_type_id = 2, 4240 .max_entries = 1, 4241}, 4242{ 4243 .descr = "enum64 test #2, signed, size 4", 4244 .raw_types = { 4245 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4246 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 1, 2), 4), /* [2] */ 4247 BTF_ENUM64_ENC(NAME_TBD, -1, 0), 4248 BTF_ENUM64_ENC(NAME_TBD, 1, 0), 4249 BTF_END_RAW, 4250 }, 4251 BTF_STR_SEC("\0a\0b\0c"), 4252 .map_type = BPF_MAP_TYPE_ARRAY, 4253 .map_name = "tag_type_check_btf", 4254 .key_size = sizeof(int), 4255 .value_size = 4, 4256 .key_type_id = 1, 4257 .value_type_id = 2, 4258 .max_entries = 1, 4259}, 4260 4261}; /* struct btf_raw_test raw_tests[] */ 4262 4263static const char *get_next_str(const char *start, const char *end) 4264{ 4265 return start < end - 1 ? start + 1 : NULL; 4266} 4267 4268static int get_raw_sec_size(const __u32 *raw_types) 4269{ 4270 int i; 4271 4272 for (i = MAX_NR_RAW_U32 - 1; 4273 i >= 0 && raw_types[i] != BTF_END_RAW; 4274 i--) 4275 ; 4276 4277 return i < 0 ? i : i * sizeof(raw_types[0]); 4278} 4279 4280static void *btf_raw_create(const struct btf_header *hdr, 4281 const __u32 *raw_types, 4282 const char *str, 4283 unsigned int str_sec_size, 4284 unsigned int *btf_size, 4285 const char **ret_next_str) 4286{ 4287 const char *next_str = str, *end_str = str + str_sec_size; 4288 const char **strs_idx = NULL, **tmp_strs_idx; 4289 int strs_cap = 0, strs_cnt = 0, next_str_idx = 0; 4290 unsigned int size_needed, offset; 4291 struct btf_header *ret_hdr; 4292 int i, type_sec_size, err = 0; 4293 uint32_t *ret_types; 4294 void *raw_btf = NULL; 4295 4296 type_sec_size = get_raw_sec_size(raw_types); 4297 if (CHECK(type_sec_size < 0, "Cannot get nr_raw_types")) 4298 return NULL; 4299 4300 size_needed = sizeof(*hdr) + type_sec_size + str_sec_size; 4301 raw_btf = malloc(size_needed); 4302 if (CHECK(!raw_btf, "Cannot allocate memory for raw_btf")) 4303 return NULL; 4304 4305 /* Copy header */ 4306 memcpy(raw_btf, hdr, sizeof(*hdr)); 4307 offset = sizeof(*hdr); 4308 4309 /* Index strings */ 4310 while ((next_str = get_next_str(next_str, end_str))) { 4311 if (strs_cnt == strs_cap) { 4312 strs_cap += max(16, strs_cap / 2); 4313 tmp_strs_idx = realloc(strs_idx, 4314 sizeof(*strs_idx) * strs_cap); 4315 if (CHECK(!tmp_strs_idx, 4316 "Cannot allocate memory for strs_idx")) { 4317 err = -1; 4318 goto done; 4319 } 4320 strs_idx = tmp_strs_idx; 4321 } 4322 strs_idx[strs_cnt++] = next_str; 4323 next_str += strlen(next_str); 4324 } 4325 4326 /* Copy type section */ 4327 ret_types = raw_btf + offset; 4328 for (i = 0; i < type_sec_size / sizeof(raw_types[0]); i++) { 4329 if (raw_types[i] == NAME_TBD) { 4330 if (CHECK(next_str_idx == strs_cnt, 4331 "Error in getting next_str #%d", 4332 next_str_idx)) { 4333 err = -1; 4334 goto done; 4335 } 4336 ret_types[i] = strs_idx[next_str_idx++] - str; 4337 } else if (IS_NAME_NTH(raw_types[i])) { 4338 int idx = GET_NAME_NTH_IDX(raw_types[i]); 4339 4340 if (CHECK(idx <= 0 || idx > strs_cnt, 4341 "Error getting string #%d, strs_cnt:%d", 4342 idx, strs_cnt)) { 4343 err = -1; 4344 goto done; 4345 } 4346 ret_types[i] = strs_idx[idx-1] - str; 4347 } else { 4348 ret_types[i] = raw_types[i]; 4349 } 4350 } 4351 offset += type_sec_size; 4352 4353 /* Copy string section */ 4354 memcpy(raw_btf + offset, str, str_sec_size); 4355 4356 ret_hdr = (struct btf_header *)raw_btf; 4357 ret_hdr->type_len = type_sec_size; 4358 ret_hdr->str_off = type_sec_size; 4359 ret_hdr->str_len = str_sec_size; 4360 4361 *btf_size = size_needed; 4362 if (ret_next_str) 4363 *ret_next_str = 4364 next_str_idx < strs_cnt ? strs_idx[next_str_idx] : NULL; 4365 4366done: 4367 free(strs_idx); 4368 if (err) { 4369 free(raw_btf); 4370 return NULL; 4371 } 4372 return raw_btf; 4373} 4374 4375static int load_raw_btf(const void *raw_data, size_t raw_size) 4376{ 4377 LIBBPF_OPTS(bpf_btf_load_opts, opts); 4378 int btf_fd; 4379 4380 if (always_log) { 4381 opts.log_buf = btf_log_buf, 4382 opts.log_size = BTF_LOG_BUF_SIZE, 4383 opts.log_level = 1; 4384 } 4385 4386 btf_fd = bpf_btf_load(raw_data, raw_size, &opts); 4387 if (btf_fd < 0 && !always_log) { 4388 opts.log_buf = btf_log_buf, 4389 opts.log_size = BTF_LOG_BUF_SIZE, 4390 opts.log_level = 1; 4391 btf_fd = bpf_btf_load(raw_data, raw_size, &opts); 4392 } 4393 4394 return btf_fd; 4395} 4396 4397static void do_test_raw(unsigned int test_num) 4398{ 4399 struct btf_raw_test *test = &raw_tests[test_num - 1]; 4400 LIBBPF_OPTS(bpf_map_create_opts, opts); 4401 int map_fd = -1, btf_fd = -1; 4402 unsigned int raw_btf_size; 4403 struct btf_header *hdr; 4404 void *raw_btf; 4405 int err; 4406 4407 if (!test__start_subtest(test->descr)) 4408 return; 4409 4410 raw_btf = btf_raw_create(&hdr_tmpl, 4411 test->raw_types, 4412 test->str_sec, 4413 test->str_sec_size, 4414 &raw_btf_size, NULL); 4415 if (!raw_btf) 4416 return; 4417 4418 hdr = raw_btf; 4419 4420 hdr->hdr_len = (int)hdr->hdr_len + test->hdr_len_delta; 4421 hdr->type_off = (int)hdr->type_off + test->type_off_delta; 4422 hdr->str_off = (int)hdr->str_off + test->str_off_delta; 4423 hdr->str_len = (int)hdr->str_len + test->str_len_delta; 4424 4425 *btf_log_buf = '\0'; 4426 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 4427 free(raw_btf); 4428 4429 err = ((btf_fd < 0) != test->btf_load_err); 4430 if (CHECK(err, "btf_fd:%d test->btf_load_err:%u", 4431 btf_fd, test->btf_load_err) || 4432 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str), 4433 "expected err_str:%s\n", test->err_str)) { 4434 err = -1; 4435 goto done; 4436 } 4437 4438 if (err || btf_fd < 0) 4439 goto done; 4440 4441 if (!test->map_type) 4442 goto done; 4443 4444 opts.btf_fd = btf_fd; 4445 opts.btf_key_type_id = test->key_type_id; 4446 opts.btf_value_type_id = test->value_type_id; 4447 map_fd = bpf_map_create(test->map_type, test->map_name, 4448 test->key_size, test->value_size, test->max_entries, &opts); 4449 4450 err = ((map_fd < 0) != test->map_create_err); 4451 CHECK(err, "map_fd:%d test->map_create_err:%u", 4452 map_fd, test->map_create_err); 4453 4454done: 4455 if (*btf_log_buf && (err || always_log)) 4456 fprintf(stderr, "\n%s", btf_log_buf); 4457 if (btf_fd >= 0) 4458 close(btf_fd); 4459 if (map_fd >= 0) 4460 close(map_fd); 4461} 4462 4463struct btf_get_info_test { 4464 const char *descr; 4465 const char *str_sec; 4466 __u32 raw_types[MAX_NR_RAW_U32]; 4467 __u32 str_sec_size; 4468 int btf_size_delta; 4469 int (*special_test)(unsigned int test_num); 4470}; 4471 4472static int test_big_btf_info(unsigned int test_num); 4473static int test_btf_id(unsigned int test_num); 4474 4475const struct btf_get_info_test get_info_tests[] = { 4476{ 4477 .descr = "== raw_btf_size+1", 4478 .raw_types = { 4479 /* int */ /* [1] */ 4480 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 4481 BTF_END_RAW, 4482 }, 4483 .str_sec = "", 4484 .str_sec_size = sizeof(""), 4485 .btf_size_delta = 1, 4486}, 4487{ 4488 .descr = "== raw_btf_size-3", 4489 .raw_types = { 4490 /* int */ /* [1] */ 4491 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 4492 BTF_END_RAW, 4493 }, 4494 .str_sec = "", 4495 .str_sec_size = sizeof(""), 4496 .btf_size_delta = -3, 4497}, 4498{ 4499 .descr = "Large bpf_btf_info", 4500 .raw_types = { 4501 /* int */ /* [1] */ 4502 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 4503 BTF_END_RAW, 4504 }, 4505 .str_sec = "", 4506 .str_sec_size = sizeof(""), 4507 .special_test = test_big_btf_info, 4508}, 4509{ 4510 .descr = "BTF ID", 4511 .raw_types = { 4512 /* int */ /* [1] */ 4513 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 4514 /* unsigned int */ /* [2] */ 4515 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), 4516 BTF_END_RAW, 4517 }, 4518 .str_sec = "", 4519 .str_sec_size = sizeof(""), 4520 .special_test = test_btf_id, 4521}, 4522}; 4523 4524static int test_big_btf_info(unsigned int test_num) 4525{ 4526 const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; 4527 uint8_t *raw_btf = NULL, *user_btf = NULL; 4528 unsigned int raw_btf_size; 4529 struct { 4530 struct bpf_btf_info info; 4531 uint64_t garbage; 4532 } info_garbage; 4533 struct bpf_btf_info *info; 4534 int btf_fd = -1, err; 4535 uint32_t info_len; 4536 4537 raw_btf = btf_raw_create(&hdr_tmpl, 4538 test->raw_types, 4539 test->str_sec, 4540 test->str_sec_size, 4541 &raw_btf_size, NULL); 4542 4543 if (!raw_btf) 4544 return -1; 4545 4546 *btf_log_buf = '\0'; 4547 4548 user_btf = malloc(raw_btf_size); 4549 if (CHECK(!user_btf, "!user_btf")) { 4550 err = -1; 4551 goto done; 4552 } 4553 4554 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 4555 if (CHECK(btf_fd < 0, "errno:%d", errno)) { 4556 err = -1; 4557 goto done; 4558 } 4559 4560 /* 4561 * GET_INFO should error out if the userspace info 4562 * has non zero tailing bytes. 4563 */ 4564 info = &info_garbage.info; 4565 memset(info, 0, sizeof(*info)); 4566 info_garbage.garbage = 0xdeadbeef; 4567 info_len = sizeof(info_garbage); 4568 info->btf = ptr_to_u64(user_btf); 4569 info->btf_size = raw_btf_size; 4570 4571 err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len); 4572 if (CHECK(!err, "!err")) { 4573 err = -1; 4574 goto done; 4575 } 4576 4577 /* 4578 * GET_INFO should succeed even info_len is larger than 4579 * the kernel supported as long as tailing bytes are zero. 4580 * The kernel supported info len should also be returned 4581 * to userspace. 4582 */ 4583 info_garbage.garbage = 0; 4584 err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len); 4585 if (CHECK(err || info_len != sizeof(*info), 4586 "err:%d errno:%d info_len:%u sizeof(*info):%zu", 4587 err, errno, info_len, sizeof(*info))) { 4588 err = -1; 4589 goto done; 4590 } 4591 4592 fprintf(stderr, "OK"); 4593 4594done: 4595 if (*btf_log_buf && (err || always_log)) 4596 fprintf(stderr, "\n%s", btf_log_buf); 4597 4598 free(raw_btf); 4599 free(user_btf); 4600 4601 if (btf_fd >= 0) 4602 close(btf_fd); 4603 4604 return err; 4605} 4606 4607static int test_btf_id(unsigned int test_num) 4608{ 4609 const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; 4610 LIBBPF_OPTS(bpf_map_create_opts, opts); 4611 uint8_t *raw_btf = NULL, *user_btf[2] = {}; 4612 int btf_fd[2] = {-1, -1}, map_fd = -1; 4613 struct bpf_map_info map_info = {}; 4614 struct bpf_btf_info info[2] = {}; 4615 unsigned int raw_btf_size; 4616 uint32_t info_len; 4617 int err, i, ret; 4618 4619 raw_btf = btf_raw_create(&hdr_tmpl, 4620 test->raw_types, 4621 test->str_sec, 4622 test->str_sec_size, 4623 &raw_btf_size, NULL); 4624 4625 if (!raw_btf) 4626 return -1; 4627 4628 *btf_log_buf = '\0'; 4629 4630 for (i = 0; i < 2; i++) { 4631 user_btf[i] = malloc(raw_btf_size); 4632 if (CHECK(!user_btf[i], "!user_btf[%d]", i)) { 4633 err = -1; 4634 goto done; 4635 } 4636 info[i].btf = ptr_to_u64(user_btf[i]); 4637 info[i].btf_size = raw_btf_size; 4638 } 4639 4640 btf_fd[0] = load_raw_btf(raw_btf, raw_btf_size); 4641 if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) { 4642 err = -1; 4643 goto done; 4644 } 4645 4646 /* Test BPF_OBJ_GET_INFO_BY_ID on btf_id */ 4647 info_len = sizeof(info[0]); 4648 err = bpf_btf_get_info_by_fd(btf_fd[0], &info[0], &info_len); 4649 if (CHECK(err, "errno:%d", errno)) { 4650 err = -1; 4651 goto done; 4652 } 4653 4654 btf_fd[1] = bpf_btf_get_fd_by_id(info[0].id); 4655 if (CHECK(btf_fd[1] < 0, "errno:%d", errno)) { 4656 err = -1; 4657 goto done; 4658 } 4659 4660 ret = 0; 4661 err = bpf_btf_get_info_by_fd(btf_fd[1], &info[1], &info_len); 4662 if (CHECK(err || info[0].id != info[1].id || 4663 info[0].btf_size != info[1].btf_size || 4664 (ret = memcmp(user_btf[0], user_btf[1], info[0].btf_size)), 4665 "err:%d errno:%d id0:%u id1:%u btf_size0:%u btf_size1:%u memcmp:%d", 4666 err, errno, info[0].id, info[1].id, 4667 info[0].btf_size, info[1].btf_size, ret)) { 4668 err = -1; 4669 goto done; 4670 } 4671 4672 /* Test btf members in struct bpf_map_info */ 4673 opts.btf_fd = btf_fd[0]; 4674 opts.btf_key_type_id = 1; 4675 opts.btf_value_type_id = 2; 4676 map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_btf_id", 4677 sizeof(int), sizeof(int), 4, &opts); 4678 if (CHECK(map_fd < 0, "errno:%d", errno)) { 4679 err = -1; 4680 goto done; 4681 } 4682 4683 info_len = sizeof(map_info); 4684 err = bpf_map_get_info_by_fd(map_fd, &map_info, &info_len); 4685 if (CHECK(err || map_info.btf_id != info[0].id || 4686 map_info.btf_key_type_id != 1 || map_info.btf_value_type_id != 2, 4687 "err:%d errno:%d info.id:%u btf_id:%u btf_key_type_id:%u btf_value_type_id:%u", 4688 err, errno, info[0].id, map_info.btf_id, map_info.btf_key_type_id, 4689 map_info.btf_value_type_id)) { 4690 err = -1; 4691 goto done; 4692 } 4693 4694 for (i = 0; i < 2; i++) { 4695 close(btf_fd[i]); 4696 btf_fd[i] = -1; 4697 } 4698 4699 /* Test BTF ID is removed from the kernel */ 4700 btf_fd[0] = bpf_btf_get_fd_by_id(map_info.btf_id); 4701 if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) { 4702 err = -1; 4703 goto done; 4704 } 4705 close(btf_fd[0]); 4706 btf_fd[0] = -1; 4707 4708 /* The map holds the last ref to BTF and its btf_id */ 4709 close(map_fd); 4710 map_fd = -1; 4711 4712 fprintf(stderr, "OK"); 4713 4714done: 4715 if (*btf_log_buf && (err || always_log)) 4716 fprintf(stderr, "\n%s", btf_log_buf); 4717 4718 free(raw_btf); 4719 if (map_fd >= 0) 4720 close(map_fd); 4721 for (i = 0; i < 2; i++) { 4722 free(user_btf[i]); 4723 if (btf_fd[i] >= 0) 4724 close(btf_fd[i]); 4725 } 4726 4727 return err; 4728} 4729 4730static void do_test_get_info(unsigned int test_num) 4731{ 4732 const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; 4733 unsigned int raw_btf_size, user_btf_size, expected_nbytes; 4734 uint8_t *raw_btf = NULL, *user_btf = NULL; 4735 struct bpf_btf_info info = {}; 4736 int btf_fd = -1, err, ret; 4737 uint32_t info_len; 4738 4739 if (!test__start_subtest(test->descr)) 4740 return; 4741 4742 if (test->special_test) { 4743 err = test->special_test(test_num); 4744 if (CHECK(err, "failed: %d\n", err)) 4745 return; 4746 } 4747 4748 raw_btf = btf_raw_create(&hdr_tmpl, 4749 test->raw_types, 4750 test->str_sec, 4751 test->str_sec_size, 4752 &raw_btf_size, NULL); 4753 4754 if (!raw_btf) 4755 return; 4756 4757 *btf_log_buf = '\0'; 4758 4759 user_btf = malloc(raw_btf_size); 4760 if (CHECK(!user_btf, "!user_btf")) { 4761 err = -1; 4762 goto done; 4763 } 4764 4765 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 4766 if (CHECK(btf_fd <= 0, "errno:%d", errno)) { 4767 err = -1; 4768 goto done; 4769 } 4770 4771 user_btf_size = (int)raw_btf_size + test->btf_size_delta; 4772 expected_nbytes = min(raw_btf_size, user_btf_size); 4773 if (raw_btf_size > expected_nbytes) 4774 memset(user_btf + expected_nbytes, 0xff, 4775 raw_btf_size - expected_nbytes); 4776 4777 info_len = sizeof(info); 4778 info.btf = ptr_to_u64(user_btf); 4779 info.btf_size = user_btf_size; 4780 4781 ret = 0; 4782 err = bpf_btf_get_info_by_fd(btf_fd, &info, &info_len); 4783 if (CHECK(err || !info.id || info_len != sizeof(info) || 4784 info.btf_size != raw_btf_size || 4785 (ret = memcmp(raw_btf, user_btf, expected_nbytes)), 4786 "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", 4787 err, errno, info.id, info_len, sizeof(info), 4788 raw_btf_size, info.btf_size, expected_nbytes, ret)) { 4789 err = -1; 4790 goto done; 4791 } 4792 4793 while (expected_nbytes < raw_btf_size) { 4794 fprintf(stderr, "%u...", expected_nbytes); 4795 if (CHECK(user_btf[expected_nbytes++] != 0xff, 4796 "user_btf[%u]:%x != 0xff", expected_nbytes - 1, 4797 user_btf[expected_nbytes - 1])) { 4798 err = -1; 4799 goto done; 4800 } 4801 } 4802 4803 fprintf(stderr, "OK"); 4804 4805done: 4806 if (*btf_log_buf && (err || always_log)) 4807 fprintf(stderr, "\n%s", btf_log_buf); 4808 4809 free(raw_btf); 4810 free(user_btf); 4811 4812 if (btf_fd >= 0) 4813 close(btf_fd); 4814} 4815 4816struct btf_file_test { 4817 const char *file; 4818 bool btf_kv_notfound; 4819}; 4820 4821static struct btf_file_test file_tests[] = { 4822 { .file = "test_btf_newkv.bpf.o", }, 4823 { .file = "test_btf_nokv.bpf.o", .btf_kv_notfound = true, }, 4824}; 4825 4826static void do_test_file(unsigned int test_num) 4827{ 4828 const struct btf_file_test *test = &file_tests[test_num - 1]; 4829 const char *expected_fnames[] = {"_dummy_tracepoint", 4830 "test_long_fname_1", 4831 "test_long_fname_2"}; 4832 struct btf_ext *btf_ext = NULL; 4833 struct bpf_prog_info info = {}; 4834 struct bpf_object *obj = NULL; 4835 struct bpf_func_info *finfo; 4836 struct bpf_program *prog; 4837 __u32 info_len, rec_size; 4838 bool has_btf_ext = false; 4839 struct btf *btf = NULL; 4840 void *func_info = NULL; 4841 struct bpf_map *map; 4842 int i, err, prog_fd; 4843 4844 if (!test__start_subtest(test->file)) 4845 return; 4846 4847 btf = btf__parse_elf(test->file, &btf_ext); 4848 err = libbpf_get_error(btf); 4849 if (err) { 4850 if (err == -ENOENT) { 4851 printf("%s:SKIP: No ELF %s found", __func__, BTF_ELF_SEC); 4852 test__skip(); 4853 return; 4854 } 4855 return; 4856 } 4857 btf__free(btf); 4858 4859 has_btf_ext = btf_ext != NULL; 4860 btf_ext__free(btf_ext); 4861 4862 /* temporary disable LIBBPF_STRICT_MAP_DEFINITIONS to test legacy maps */ 4863 libbpf_set_strict_mode(LIBBPF_STRICT_ALL & ~LIBBPF_STRICT_MAP_DEFINITIONS); 4864 obj = bpf_object__open(test->file); 4865 err = libbpf_get_error(obj); 4866 if (CHECK(err, "obj: %d", err)) 4867 return; 4868 4869 prog = bpf_object__next_program(obj, NULL); 4870 if (CHECK(!prog, "Cannot find bpf_prog")) { 4871 err = -1; 4872 goto done; 4873 } 4874 4875 bpf_program__set_type(prog, BPF_PROG_TYPE_TRACEPOINT); 4876 err = bpf_object__load(obj); 4877 if (CHECK(err < 0, "bpf_object__load: %d", err)) 4878 goto done; 4879 prog_fd = bpf_program__fd(prog); 4880 4881 map = bpf_object__find_map_by_name(obj, "btf_map"); 4882 if (CHECK(!map, "btf_map not found")) { 4883 err = -1; 4884 goto done; 4885 } 4886 4887 err = (bpf_map__btf_key_type_id(map) == 0 || bpf_map__btf_value_type_id(map) == 0) 4888 != test->btf_kv_notfound; 4889 if (CHECK(err, "btf_key_type_id:%u btf_value_type_id:%u test->btf_kv_notfound:%u", 4890 bpf_map__btf_key_type_id(map), bpf_map__btf_value_type_id(map), 4891 test->btf_kv_notfound)) 4892 goto done; 4893 4894 if (!has_btf_ext) 4895 goto skip; 4896 4897 /* get necessary program info */ 4898 info_len = sizeof(struct bpf_prog_info); 4899 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 4900 4901 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) { 4902 fprintf(stderr, "%s\n", btf_log_buf); 4903 err = -1; 4904 goto done; 4905 } 4906 if (CHECK(info.nr_func_info != 3, 4907 "incorrect info.nr_func_info (1st) %d", 4908 info.nr_func_info)) { 4909 err = -1; 4910 goto done; 4911 } 4912 rec_size = info.func_info_rec_size; 4913 if (CHECK(rec_size != sizeof(struct bpf_func_info), 4914 "incorrect info.func_info_rec_size (1st) %d\n", rec_size)) { 4915 err = -1; 4916 goto done; 4917 } 4918 4919 func_info = malloc(info.nr_func_info * rec_size); 4920 if (CHECK(!func_info, "out of memory")) { 4921 err = -1; 4922 goto done; 4923 } 4924 4925 /* reset info to only retrieve func_info related data */ 4926 memset(&info, 0, sizeof(info)); 4927 info.nr_func_info = 3; 4928 info.func_info_rec_size = rec_size; 4929 info.func_info = ptr_to_u64(func_info); 4930 4931 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 4932 4933 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) { 4934 fprintf(stderr, "%s\n", btf_log_buf); 4935 err = -1; 4936 goto done; 4937 } 4938 if (CHECK(info.nr_func_info != 3, 4939 "incorrect info.nr_func_info (2nd) %d", 4940 info.nr_func_info)) { 4941 err = -1; 4942 goto done; 4943 } 4944 if (CHECK(info.func_info_rec_size != rec_size, 4945 "incorrect info.func_info_rec_size (2nd) %d", 4946 info.func_info_rec_size)) { 4947 err = -1; 4948 goto done; 4949 } 4950 4951 btf = btf__load_from_kernel_by_id(info.btf_id); 4952 err = libbpf_get_error(btf); 4953 if (CHECK(err, "cannot get btf from kernel, err: %d", err)) 4954 goto done; 4955 4956 /* check three functions */ 4957 finfo = func_info; 4958 for (i = 0; i < 3; i++) { 4959 const struct btf_type *t; 4960 const char *fname; 4961 4962 t = btf__type_by_id(btf, finfo->type_id); 4963 if (CHECK(!t, "btf__type_by_id failure: id %u", 4964 finfo->type_id)) { 4965 err = -1; 4966 goto done; 4967 } 4968 4969 fname = btf__name_by_offset(btf, t->name_off); 4970 err = strcmp(fname, expected_fnames[i]); 4971 /* for the second and third functions in .text section, 4972 * the compiler may order them either way. 4973 */ 4974 if (i && err) 4975 err = strcmp(fname, expected_fnames[3 - i]); 4976 if (CHECK(err, "incorrect fname %s", fname ? : "")) { 4977 err = -1; 4978 goto done; 4979 } 4980 4981 finfo = (void *)finfo + rec_size; 4982 } 4983 4984skip: 4985 fprintf(stderr, "OK"); 4986 4987done: 4988 libbpf_set_strict_mode(LIBBPF_STRICT_ALL); 4989 4990 btf__free(btf); 4991 free(func_info); 4992 bpf_object__close(obj); 4993} 4994 4995const char *pprint_enum_str[] = { 4996 "ENUM_ZERO", 4997 "ENUM_ONE", 4998 "ENUM_TWO", 4999 "ENUM_THREE", 5000}; 5001 5002struct pprint_mapv { 5003 uint32_t ui32; 5004 uint16_t ui16; 5005 /* 2 bytes hole */ 5006 int32_t si32; 5007 uint32_t unused_bits2a:2, 5008 bits28:28, 5009 unused_bits2b:2; 5010 union { 5011 uint64_t ui64; 5012 uint8_t ui8a[8]; 5013 }; 5014 enum { 5015 ENUM_ZERO, 5016 ENUM_ONE, 5017 ENUM_TWO, 5018 ENUM_THREE, 5019 } aenum; 5020 uint32_t ui32b; 5021 uint32_t bits2c:2; 5022 uint8_t si8_4[2][2]; 5023}; 5024 5025#ifdef __SIZEOF_INT128__ 5026struct pprint_mapv_int128 { 5027 __int128 si128a; 5028 __int128 si128b; 5029 unsigned __int128 bits3:3; 5030 unsigned __int128 bits80:80; 5031 unsigned __int128 ui128; 5032}; 5033#endif 5034 5035static struct btf_raw_test pprint_test_template[] = { 5036{ 5037 .raw_types = { 5038 /* unsigned char */ /* [1] */ 5039 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 5040 /* unsigned short */ /* [2] */ 5041 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 5042 /* unsigned int */ /* [3] */ 5043 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 5044 /* int */ /* [4] */ 5045 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 5046 /* unsigned long long */ /* [5] */ 5047 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 5048 /* 2 bits */ /* [6] */ 5049 BTF_TYPE_INT_ENC(0, 0, 0, 2, 2), 5050 /* 28 bits */ /* [7] */ 5051 BTF_TYPE_INT_ENC(0, 0, 0, 28, 4), 5052 /* uint8_t[8] */ /* [8] */ 5053 BTF_TYPE_ARRAY_ENC(9, 1, 8), 5054 /* typedef unsigned char uint8_t */ /* [9] */ 5055 BTF_TYPEDEF_ENC(NAME_TBD, 1), 5056 /* typedef unsigned short uint16_t */ /* [10] */ 5057 BTF_TYPEDEF_ENC(NAME_TBD, 2), 5058 /* typedef unsigned int uint32_t */ /* [11] */ 5059 BTF_TYPEDEF_ENC(NAME_TBD, 3), 5060 /* typedef int int32_t */ /* [12] */ 5061 BTF_TYPEDEF_ENC(NAME_TBD, 4), 5062 /* typedef unsigned long long uint64_t *//* [13] */ 5063 BTF_TYPEDEF_ENC(NAME_TBD, 5), 5064 /* union (anon) */ /* [14] */ 5065 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 5066 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 5067 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 5068 /* enum (anon) */ /* [15] */ 5069 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 5070 BTF_ENUM_ENC(NAME_TBD, 0), 5071 BTF_ENUM_ENC(NAME_TBD, 1), 5072 BTF_ENUM_ENC(NAME_TBD, 2), 5073 BTF_ENUM_ENC(NAME_TBD, 3), 5074 /* struct pprint_mapv */ /* [16] */ 5075 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 11), 40), 5076 BTF_MEMBER_ENC(NAME_TBD, 11, 0), /* uint32_t ui32 */ 5077 BTF_MEMBER_ENC(NAME_TBD, 10, 32), /* uint16_t ui16 */ 5078 BTF_MEMBER_ENC(NAME_TBD, 12, 64), /* int32_t si32 */ 5079 BTF_MEMBER_ENC(NAME_TBD, 6, 96), /* unused_bits2a */ 5080 BTF_MEMBER_ENC(NAME_TBD, 7, 98), /* bits28 */ 5081 BTF_MEMBER_ENC(NAME_TBD, 6, 126), /* unused_bits2b */ 5082 BTF_MEMBER_ENC(0, 14, 128), /* union (anon) */ 5083 BTF_MEMBER_ENC(NAME_TBD, 15, 192), /* aenum */ 5084 BTF_MEMBER_ENC(NAME_TBD, 11, 224), /* uint32_t ui32b */ 5085 BTF_MEMBER_ENC(NAME_TBD, 6, 256), /* bits2c */ 5086 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */ 5087 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */ 5088 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */ 5089 BTF_END_RAW, 5090 }, 5091 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"), 5092 .key_size = sizeof(unsigned int), 5093 .value_size = sizeof(struct pprint_mapv), 5094 .key_type_id = 3, /* unsigned int */ 5095 .value_type_id = 16, /* struct pprint_mapv */ 5096 .max_entries = 128, 5097}, 5098 5099{ 5100 /* this type will have the same type as the 5101 * first .raw_types definition, but struct type will 5102 * be encoded with kind_flag set. 5103 */ 5104 .raw_types = { 5105 /* unsigned char */ /* [1] */ 5106 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 5107 /* unsigned short */ /* [2] */ 5108 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 5109 /* unsigned int */ /* [3] */ 5110 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 5111 /* int */ /* [4] */ 5112 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 5113 /* unsigned long long */ /* [5] */ 5114 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 5115 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */ 5116 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */ 5117 /* uint8_t[8] */ /* [8] */ 5118 BTF_TYPE_ARRAY_ENC(9, 1, 8), 5119 /* typedef unsigned char uint8_t */ /* [9] */ 5120 BTF_TYPEDEF_ENC(NAME_TBD, 1), 5121 /* typedef unsigned short uint16_t */ /* [10] */ 5122 BTF_TYPEDEF_ENC(NAME_TBD, 2), 5123 /* typedef unsigned int uint32_t */ /* [11] */ 5124 BTF_TYPEDEF_ENC(NAME_TBD, 3), 5125 /* typedef int int32_t */ /* [12] */ 5126 BTF_TYPEDEF_ENC(NAME_TBD, 4), 5127 /* typedef unsigned long long uint64_t *//* [13] */ 5128 BTF_TYPEDEF_ENC(NAME_TBD, 5), 5129 /* union (anon) */ /* [14] */ 5130 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 5131 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 5132 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 5133 /* enum (anon) */ /* [15] */ 5134 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 5135 BTF_ENUM_ENC(NAME_TBD, 0), 5136 BTF_ENUM_ENC(NAME_TBD, 1), 5137 BTF_ENUM_ENC(NAME_TBD, 2), 5138 BTF_ENUM_ENC(NAME_TBD, 3), 5139 /* struct pprint_mapv */ /* [16] */ 5140 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40), 5141 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */ 5142 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */ 5143 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */ 5144 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */ 5145 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */ 5146 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 126)), /* unused_bits2b */ 5147 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */ 5148 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */ 5149 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */ 5150 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */ 5151 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */ 5152 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */ 5153 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */ 5154 BTF_END_RAW, 5155 }, 5156 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"), 5157 .key_size = sizeof(unsigned int), 5158 .value_size = sizeof(struct pprint_mapv), 5159 .key_type_id = 3, /* unsigned int */ 5160 .value_type_id = 16, /* struct pprint_mapv */ 5161 .max_entries = 128, 5162}, 5163 5164{ 5165 /* this type will have the same layout as the 5166 * first .raw_types definition. The struct type will 5167 * be encoded with kind_flag set, bitfield members 5168 * are added typedef/const/volatile, and bitfield members 5169 * will have both int and enum types. 5170 */ 5171 .raw_types = { 5172 /* unsigned char */ /* [1] */ 5173 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 5174 /* unsigned short */ /* [2] */ 5175 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 5176 /* unsigned int */ /* [3] */ 5177 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 5178 /* int */ /* [4] */ 5179 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 5180 /* unsigned long long */ /* [5] */ 5181 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 5182 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */ 5183 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */ 5184 /* uint8_t[8] */ /* [8] */ 5185 BTF_TYPE_ARRAY_ENC(9, 1, 8), 5186 /* typedef unsigned char uint8_t */ /* [9] */ 5187 BTF_TYPEDEF_ENC(NAME_TBD, 1), 5188 /* typedef unsigned short uint16_t */ /* [10] */ 5189 BTF_TYPEDEF_ENC(NAME_TBD, 2), 5190 /* typedef unsigned int uint32_t */ /* [11] */ 5191 BTF_TYPEDEF_ENC(NAME_TBD, 3), 5192 /* typedef int int32_t */ /* [12] */ 5193 BTF_TYPEDEF_ENC(NAME_TBD, 4), 5194 /* typedef unsigned long long uint64_t *//* [13] */ 5195 BTF_TYPEDEF_ENC(NAME_TBD, 5), 5196 /* union (anon) */ /* [14] */ 5197 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 5198 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 5199 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 5200 /* enum (anon) */ /* [15] */ 5201 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 5202 BTF_ENUM_ENC(NAME_TBD, 0), 5203 BTF_ENUM_ENC(NAME_TBD, 1), 5204 BTF_ENUM_ENC(NAME_TBD, 2), 5205 BTF_ENUM_ENC(NAME_TBD, 3), 5206 /* struct pprint_mapv */ /* [16] */ 5207 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40), 5208 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */ 5209 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */ 5210 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */ 5211 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */ 5212 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */ 5213 BTF_MEMBER_ENC(NAME_TBD, 19, BTF_MEMBER_OFFSET(2, 126)),/* unused_bits2b */ 5214 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */ 5215 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */ 5216 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */ 5217 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */ 5218 BTF_MEMBER_ENC(NAME_TBD, 20, BTF_MEMBER_OFFSET(0, 264)), /* si8_4 */ 5219 /* typedef unsigned int ___int */ /* [17] */ 5220 BTF_TYPEDEF_ENC(NAME_TBD, 18), 5221 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 6), /* [18] */ 5222 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 15), /* [19] */ 5223 BTF_TYPE_ARRAY_ENC(21, 1, 2), /* [20] */ 5224 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [21] */ 5225 BTF_END_RAW, 5226 }, 5227 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"), 5228 .key_size = sizeof(unsigned int), 5229 .value_size = sizeof(struct pprint_mapv), 5230 .key_type_id = 3, /* unsigned int */ 5231 .value_type_id = 16, /* struct pprint_mapv */ 5232 .max_entries = 128, 5233}, 5234 5235#ifdef __SIZEOF_INT128__ 5236{ 5237 /* test int128 */ 5238 .raw_types = { 5239 /* unsigned int */ /* [1] */ 5240 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 5241 /* __int128 */ /* [2] */ 5242 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 128, 16), 5243 /* unsigned __int128 */ /* [3] */ 5244 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 128, 16), 5245 /* struct pprint_mapv_int128 */ /* [4] */ 5246 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 5), 64), 5247 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), /* si128a */ 5248 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 128)), /* si128b */ 5249 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(3, 256)), /* bits3 */ 5250 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(80, 259)), /* bits80 */ 5251 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(0, 384)), /* ui128 */ 5252 BTF_END_RAW, 5253 }, 5254 BTF_STR_SEC("\0unsigned int\0__int128\0unsigned __int128\0pprint_mapv_int128\0si128a\0si128b\0bits3\0bits80\0ui128"), 5255 .key_size = sizeof(unsigned int), 5256 .value_size = sizeof(struct pprint_mapv_int128), 5257 .key_type_id = 1, 5258 .value_type_id = 4, 5259 .max_entries = 128, 5260 .mapv_kind = PPRINT_MAPV_KIND_INT128, 5261}, 5262#endif 5263 5264}; 5265 5266static struct btf_pprint_test_meta { 5267 const char *descr; 5268 enum bpf_map_type map_type; 5269 const char *map_name; 5270 bool ordered_map; 5271 bool lossless_map; 5272 bool percpu_map; 5273} pprint_tests_meta[] = { 5274{ 5275 .descr = "BTF pretty print array", 5276 .map_type = BPF_MAP_TYPE_ARRAY, 5277 .map_name = "pprint_test_array", 5278 .ordered_map = true, 5279 .lossless_map = true, 5280 .percpu_map = false, 5281}, 5282 5283{ 5284 .descr = "BTF pretty print hash", 5285 .map_type = BPF_MAP_TYPE_HASH, 5286 .map_name = "pprint_test_hash", 5287 .ordered_map = false, 5288 .lossless_map = true, 5289 .percpu_map = false, 5290}, 5291 5292{ 5293 .descr = "BTF pretty print lru hash", 5294 .map_type = BPF_MAP_TYPE_LRU_HASH, 5295 .map_name = "pprint_test_lru_hash", 5296 .ordered_map = false, 5297 .lossless_map = false, 5298 .percpu_map = false, 5299}, 5300 5301{ 5302 .descr = "BTF pretty print percpu array", 5303 .map_type = BPF_MAP_TYPE_PERCPU_ARRAY, 5304 .map_name = "pprint_test_percpu_array", 5305 .ordered_map = true, 5306 .lossless_map = true, 5307 .percpu_map = true, 5308}, 5309 5310{ 5311 .descr = "BTF pretty print percpu hash", 5312 .map_type = BPF_MAP_TYPE_PERCPU_HASH, 5313 .map_name = "pprint_test_percpu_hash", 5314 .ordered_map = false, 5315 .lossless_map = true, 5316 .percpu_map = true, 5317}, 5318 5319{ 5320 .descr = "BTF pretty print lru percpu hash", 5321 .map_type = BPF_MAP_TYPE_LRU_PERCPU_HASH, 5322 .map_name = "pprint_test_lru_percpu_hash", 5323 .ordered_map = false, 5324 .lossless_map = false, 5325 .percpu_map = true, 5326}, 5327 5328}; 5329 5330static size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind) 5331{ 5332 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) 5333 return sizeof(struct pprint_mapv); 5334 5335#ifdef __SIZEOF_INT128__ 5336 if (mapv_kind == PPRINT_MAPV_KIND_INT128) 5337 return sizeof(struct pprint_mapv_int128); 5338#endif 5339 5340 assert(0); 5341 return 0; 5342} 5343 5344static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind, 5345 void *mapv, uint32_t i, 5346 int num_cpus, int rounded_value_size) 5347{ 5348 int cpu; 5349 5350 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) { 5351 struct pprint_mapv *v = mapv; 5352 5353 for (cpu = 0; cpu < num_cpus; cpu++) { 5354 v->ui32 = i + cpu; 5355 v->si32 = -i; 5356 v->unused_bits2a = 3; 5357 v->bits28 = i; 5358 v->unused_bits2b = 3; 5359 v->ui64 = i; 5360 v->aenum = i & 0x03; 5361 v->ui32b = 4; 5362 v->bits2c = 1; 5363 v->si8_4[0][0] = (cpu + i) & 0xff; 5364 v->si8_4[0][1] = (cpu + i + 1) & 0xff; 5365 v->si8_4[1][0] = (cpu + i + 2) & 0xff; 5366 v->si8_4[1][1] = (cpu + i + 3) & 0xff; 5367 v = (void *)v + rounded_value_size; 5368 } 5369 } 5370 5371#ifdef __SIZEOF_INT128__ 5372 if (mapv_kind == PPRINT_MAPV_KIND_INT128) { 5373 struct pprint_mapv_int128 *v = mapv; 5374 5375 for (cpu = 0; cpu < num_cpus; cpu++) { 5376 v->si128a = i; 5377 v->si128b = -i; 5378 v->bits3 = i & 0x07; 5379 v->bits80 = (((unsigned __int128)1) << 64) + i; 5380 v->ui128 = (((unsigned __int128)2) << 64) + i; 5381 v = (void *)v + rounded_value_size; 5382 } 5383 } 5384#endif 5385} 5386 5387ssize_t get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind, 5388 char *expected_line, ssize_t line_size, 5389 bool percpu_map, unsigned int next_key, 5390 int cpu, void *mapv) 5391{ 5392 ssize_t nexpected_line = -1; 5393 5394 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) { 5395 struct pprint_mapv *v = mapv; 5396 5397 nexpected_line = snprintf(expected_line, line_size, 5398 "%s%u: {%u,0,%d,0x%x,0x%x,0x%x," 5399 "{%llu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s," 5400 "%u,0x%x,[[%d,%d],[%d,%d]]}\n", 5401 percpu_map ? "\tcpu" : "", 5402 percpu_map ? cpu : next_key, 5403 v->ui32, v->si32, 5404 v->unused_bits2a, 5405 v->bits28, 5406 v->unused_bits2b, 5407 (__u64)v->ui64, 5408 v->ui8a[0], v->ui8a[1], 5409 v->ui8a[2], v->ui8a[3], 5410 v->ui8a[4], v->ui8a[5], 5411 v->ui8a[6], v->ui8a[7], 5412 pprint_enum_str[v->aenum], 5413 v->ui32b, 5414 v->bits2c, 5415 v->si8_4[0][0], v->si8_4[0][1], 5416 v->si8_4[1][0], v->si8_4[1][1]); 5417 } 5418 5419#ifdef __SIZEOF_INT128__ 5420 if (mapv_kind == PPRINT_MAPV_KIND_INT128) { 5421 struct pprint_mapv_int128 *v = mapv; 5422 5423 nexpected_line = snprintf(expected_line, line_size, 5424 "%s%u: {0x%lx,0x%lx,0x%lx," 5425 "0x%lx%016lx,0x%lx%016lx}\n", 5426 percpu_map ? "\tcpu" : "", 5427 percpu_map ? cpu : next_key, 5428 (uint64_t)v->si128a, 5429 (uint64_t)v->si128b, 5430 (uint64_t)v->bits3, 5431 (uint64_t)(v->bits80 >> 64), 5432 (uint64_t)v->bits80, 5433 (uint64_t)(v->ui128 >> 64), 5434 (uint64_t)v->ui128); 5435 } 5436#endif 5437 5438 return nexpected_line; 5439} 5440 5441static int check_line(const char *expected_line, int nexpected_line, 5442 int expected_line_len, const char *line) 5443{ 5444 if (CHECK(nexpected_line == expected_line_len, 5445 "expected_line is too long")) 5446 return -1; 5447 5448 if (strcmp(expected_line, line)) { 5449 fprintf(stderr, "unexpected pprint output\n"); 5450 fprintf(stderr, "expected: %s", expected_line); 5451 fprintf(stderr, " read: %s", line); 5452 return -1; 5453 } 5454 5455 return 0; 5456} 5457 5458 5459static void do_test_pprint(int test_num) 5460{ 5461 const struct btf_raw_test *test = &pprint_test_template[test_num]; 5462 enum pprint_mapv_kind_t mapv_kind = test->mapv_kind; 5463 LIBBPF_OPTS(bpf_map_create_opts, opts); 5464 bool ordered_map, lossless_map, percpu_map; 5465 int err, ret, num_cpus, rounded_value_size; 5466 unsigned int key, nr_read_elems; 5467 int map_fd = -1, btf_fd = -1; 5468 unsigned int raw_btf_size; 5469 char expected_line[255]; 5470 FILE *pin_file = NULL; 5471 char pin_path[255]; 5472 size_t line_len = 0; 5473 char *line = NULL; 5474 void *mapv = NULL; 5475 uint8_t *raw_btf; 5476 ssize_t nread; 5477 5478 if (!test__start_subtest(test->descr)) 5479 return; 5480 5481 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, 5482 test->str_sec, test->str_sec_size, 5483 &raw_btf_size, NULL); 5484 5485 if (!raw_btf) 5486 return; 5487 5488 *btf_log_buf = '\0'; 5489 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 5490 free(raw_btf); 5491 5492 if (CHECK(btf_fd < 0, "errno:%d\n", errno)) { 5493 err = -1; 5494 goto done; 5495 } 5496 5497 opts.btf_fd = btf_fd; 5498 opts.btf_key_type_id = test->key_type_id; 5499 opts.btf_value_type_id = test->value_type_id; 5500 map_fd = bpf_map_create(test->map_type, test->map_name, 5501 test->key_size, test->value_size, test->max_entries, &opts); 5502 if (CHECK(map_fd < 0, "errno:%d", errno)) { 5503 err = -1; 5504 goto done; 5505 } 5506 5507 ret = snprintf(pin_path, sizeof(pin_path), "%s/%s", 5508 "/sys/fs/bpf", test->map_name); 5509 5510 if (CHECK(ret >= sizeof(pin_path), "pin_path %s/%s is too long", 5511 "/sys/fs/bpf", test->map_name)) { 5512 err = -1; 5513 goto done; 5514 } 5515 5516 err = bpf_obj_pin(map_fd, pin_path); 5517 if (CHECK(err, "bpf_obj_pin(%s): errno:%d.", pin_path, errno)) 5518 goto done; 5519 5520 percpu_map = test->percpu_map; 5521 num_cpus = percpu_map ? bpf_num_possible_cpus() : 1; 5522 rounded_value_size = round_up(get_pprint_mapv_size(mapv_kind), 8); 5523 mapv = calloc(num_cpus, rounded_value_size); 5524 if (CHECK(!mapv, "mapv allocation failure")) { 5525 err = -1; 5526 goto done; 5527 } 5528 5529 for (key = 0; key < test->max_entries; key++) { 5530 set_pprint_mapv(mapv_kind, mapv, key, num_cpus, rounded_value_size); 5531 bpf_map_update_elem(map_fd, &key, mapv, 0); 5532 } 5533 5534 pin_file = fopen(pin_path, "r"); 5535 if (CHECK(!pin_file, "fopen(%s): errno:%d", pin_path, errno)) { 5536 err = -1; 5537 goto done; 5538 } 5539 5540 /* Skip lines start with '#' */ 5541 while ((nread = getline(&line, &line_len, pin_file)) > 0 && 5542 *line == '#') 5543 ; 5544 5545 if (CHECK(nread <= 0, "Unexpected EOF")) { 5546 err = -1; 5547 goto done; 5548 } 5549 5550 nr_read_elems = 0; 5551 ordered_map = test->ordered_map; 5552 lossless_map = test->lossless_map; 5553 do { 5554 ssize_t nexpected_line; 5555 unsigned int next_key; 5556 void *cmapv; 5557 int cpu; 5558 5559 next_key = ordered_map ? nr_read_elems : atoi(line); 5560 set_pprint_mapv(mapv_kind, mapv, next_key, num_cpus, rounded_value_size); 5561 cmapv = mapv; 5562 5563 for (cpu = 0; cpu < num_cpus; cpu++) { 5564 if (percpu_map) { 5565 /* for percpu map, the format looks like: 5566 * <key>: { 5567 * cpu0: <value_on_cpu0> 5568 * cpu1: <value_on_cpu1> 5569 * ... 5570 * cpun: <value_on_cpun> 5571 * } 5572 * 5573 * let us verify the line containing the key here. 5574 */ 5575 if (cpu == 0) { 5576 nexpected_line = snprintf(expected_line, 5577 sizeof(expected_line), 5578 "%u: {\n", 5579 next_key); 5580 5581 err = check_line(expected_line, nexpected_line, 5582 sizeof(expected_line), line); 5583 if (err < 0) 5584 goto done; 5585 } 5586 5587 /* read value@cpu */ 5588 nread = getline(&line, &line_len, pin_file); 5589 if (nread < 0) 5590 break; 5591 } 5592 5593 nexpected_line = get_pprint_expected_line(mapv_kind, expected_line, 5594 sizeof(expected_line), 5595 percpu_map, next_key, 5596 cpu, cmapv); 5597 err = check_line(expected_line, nexpected_line, 5598 sizeof(expected_line), line); 5599 if (err < 0) 5600 goto done; 5601 5602 cmapv = cmapv + rounded_value_size; 5603 } 5604 5605 if (percpu_map) { 5606 /* skip the last bracket for the percpu map */ 5607 nread = getline(&line, &line_len, pin_file); 5608 if (nread < 0) 5609 break; 5610 } 5611 5612 nread = getline(&line, &line_len, pin_file); 5613 } while (++nr_read_elems < test->max_entries && nread > 0); 5614 5615 if (lossless_map && 5616 CHECK(nr_read_elems < test->max_entries, 5617 "Unexpected EOF. nr_read_elems:%u test->max_entries:%u", 5618 nr_read_elems, test->max_entries)) { 5619 err = -1; 5620 goto done; 5621 } 5622 5623 if (CHECK(nread > 0, "Unexpected extra pprint output: %s", line)) { 5624 err = -1; 5625 goto done; 5626 } 5627 5628 err = 0; 5629 5630done: 5631 if (mapv) 5632 free(mapv); 5633 if (!err) 5634 fprintf(stderr, "OK"); 5635 if (*btf_log_buf && (err || always_log)) 5636 fprintf(stderr, "\n%s", btf_log_buf); 5637 if (btf_fd >= 0) 5638 close(btf_fd); 5639 if (map_fd >= 0) 5640 close(map_fd); 5641 if (pin_file) 5642 fclose(pin_file); 5643 unlink(pin_path); 5644 free(line); 5645} 5646 5647static void test_pprint(void) 5648{ 5649 unsigned int i; 5650 5651 /* test various maps with the first test template */ 5652 for (i = 0; i < ARRAY_SIZE(pprint_tests_meta); i++) { 5653 pprint_test_template[0].descr = pprint_tests_meta[i].descr; 5654 pprint_test_template[0].map_type = pprint_tests_meta[i].map_type; 5655 pprint_test_template[0].map_name = pprint_tests_meta[i].map_name; 5656 pprint_test_template[0].ordered_map = pprint_tests_meta[i].ordered_map; 5657 pprint_test_template[0].lossless_map = pprint_tests_meta[i].lossless_map; 5658 pprint_test_template[0].percpu_map = pprint_tests_meta[i].percpu_map; 5659 5660 do_test_pprint(0); 5661 } 5662 5663 /* test rest test templates with the first map */ 5664 for (i = 1; i < ARRAY_SIZE(pprint_test_template); i++) { 5665 pprint_test_template[i].descr = pprint_tests_meta[0].descr; 5666 pprint_test_template[i].map_type = pprint_tests_meta[0].map_type; 5667 pprint_test_template[i].map_name = pprint_tests_meta[0].map_name; 5668 pprint_test_template[i].ordered_map = pprint_tests_meta[0].ordered_map; 5669 pprint_test_template[i].lossless_map = pprint_tests_meta[0].lossless_map; 5670 pprint_test_template[i].percpu_map = pprint_tests_meta[0].percpu_map; 5671 do_test_pprint(i); 5672 } 5673} 5674 5675#define BPF_LINE_INFO_ENC(insn_off, file_off, line_off, line_num, line_col) \ 5676 (insn_off), (file_off), (line_off), ((line_num) << 10 | ((line_col) & 0x3ff)) 5677 5678static struct prog_info_raw_test { 5679 const char *descr; 5680 const char *str_sec; 5681 const char *err_str; 5682 __u32 raw_types[MAX_NR_RAW_U32]; 5683 __u32 str_sec_size; 5684 struct bpf_insn insns[MAX_INSNS]; 5685 __u32 prog_type; 5686 __u32 func_info[MAX_SUBPROGS][2]; 5687 __u32 func_info_rec_size; 5688 __u32 func_info_cnt; 5689 __u32 line_info[MAX_NR_RAW_U32]; 5690 __u32 line_info_rec_size; 5691 __u32 nr_jited_ksyms; 5692 bool expected_prog_load_failure; 5693 __u32 dead_code_cnt; 5694 __u32 dead_code_mask; 5695 __u32 dead_func_cnt; 5696 __u32 dead_func_mask; 5697} info_raw_tests[] = { 5698{ 5699 .descr = "func_type (main func + one sub)", 5700 .raw_types = { 5701 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5702 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5703 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5704 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5705 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5706 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5707 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5708 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5709 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5710 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5711 BTF_END_RAW, 5712 }, 5713 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5714 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5715 .insns = { 5716 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5717 BPF_MOV64_IMM(BPF_REG_0, 1), 5718 BPF_EXIT_INSN(), 5719 BPF_MOV64_IMM(BPF_REG_0, 2), 5720 BPF_EXIT_INSN(), 5721 }, 5722 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5723 .func_info = { {0, 5}, {3, 6} }, 5724 .func_info_rec_size = 8, 5725 .func_info_cnt = 2, 5726 .line_info = { BTF_END_RAW }, 5727}, 5728 5729{ 5730 .descr = "func_type (Incorrect func_info_rec_size)", 5731 .raw_types = { 5732 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5733 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5734 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5735 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5736 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5737 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5738 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5739 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5740 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5741 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5742 BTF_END_RAW, 5743 }, 5744 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5745 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5746 .insns = { 5747 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5748 BPF_MOV64_IMM(BPF_REG_0, 1), 5749 BPF_EXIT_INSN(), 5750 BPF_MOV64_IMM(BPF_REG_0, 2), 5751 BPF_EXIT_INSN(), 5752 }, 5753 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5754 .func_info = { {0, 5}, {3, 6} }, 5755 .func_info_rec_size = 4, 5756 .func_info_cnt = 2, 5757 .line_info = { BTF_END_RAW }, 5758 .expected_prog_load_failure = true, 5759}, 5760 5761{ 5762 .descr = "func_type (Incorrect func_info_cnt)", 5763 .raw_types = { 5764 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5765 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5766 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5767 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5768 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5769 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5770 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5771 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5772 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5773 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5774 BTF_END_RAW, 5775 }, 5776 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5777 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5778 .insns = { 5779 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5780 BPF_MOV64_IMM(BPF_REG_0, 1), 5781 BPF_EXIT_INSN(), 5782 BPF_MOV64_IMM(BPF_REG_0, 2), 5783 BPF_EXIT_INSN(), 5784 }, 5785 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5786 .func_info = { {0, 5}, {3, 6} }, 5787 .func_info_rec_size = 8, 5788 .func_info_cnt = 1, 5789 .line_info = { BTF_END_RAW }, 5790 .expected_prog_load_failure = true, 5791}, 5792 5793{ 5794 .descr = "func_type (Incorrect bpf_func_info.insn_off)", 5795 .raw_types = { 5796 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5797 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5798 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5799 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5800 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5801 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5802 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5803 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5804 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5805 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5806 BTF_END_RAW, 5807 }, 5808 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5809 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5810 .insns = { 5811 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5812 BPF_MOV64_IMM(BPF_REG_0, 1), 5813 BPF_EXIT_INSN(), 5814 BPF_MOV64_IMM(BPF_REG_0, 2), 5815 BPF_EXIT_INSN(), 5816 }, 5817 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5818 .func_info = { {0, 5}, {2, 6} }, 5819 .func_info_rec_size = 8, 5820 .func_info_cnt = 2, 5821 .line_info = { BTF_END_RAW }, 5822 .expected_prog_load_failure = true, 5823}, 5824 5825{ 5826 .descr = "line_info (No subprog)", 5827 .raw_types = { 5828 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5829 BTF_END_RAW, 5830 }, 5831 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5832 .insns = { 5833 BPF_MOV64_IMM(BPF_REG_0, 1), 5834 BPF_MOV64_IMM(BPF_REG_1, 2), 5835 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5836 BPF_EXIT_INSN(), 5837 }, 5838 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5839 .func_info_cnt = 0, 5840 .line_info = { 5841 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5842 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 5843 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5844 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 5845 BTF_END_RAW, 5846 }, 5847 .line_info_rec_size = sizeof(struct bpf_line_info), 5848 .nr_jited_ksyms = 1, 5849}, 5850 5851{ 5852 .descr = "line_info (No subprog. insn_off >= prog->len)", 5853 .raw_types = { 5854 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5855 BTF_END_RAW, 5856 }, 5857 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5858 .insns = { 5859 BPF_MOV64_IMM(BPF_REG_0, 1), 5860 BPF_MOV64_IMM(BPF_REG_1, 2), 5861 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5862 BPF_EXIT_INSN(), 5863 }, 5864 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5865 .func_info_cnt = 0, 5866 .line_info = { 5867 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5868 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 5869 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5870 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 5871 BPF_LINE_INFO_ENC(4, 0, 0, 5, 6), 5872 BTF_END_RAW, 5873 }, 5874 .line_info_rec_size = sizeof(struct bpf_line_info), 5875 .nr_jited_ksyms = 1, 5876 .err_str = "line_info[4].insn_off", 5877 .expected_prog_load_failure = true, 5878}, 5879 5880{ 5881 .descr = "line_info (Zero bpf insn code)", 5882 .raw_types = { 5883 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5884 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), /* [2] */ 5885 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [3] */ 5886 BTF_END_RAW, 5887 }, 5888 BTF_STR_SEC("\0int\0unsigned long\0u64\0u64 a=1;\0return a;"), 5889 .insns = { 5890 BPF_LD_IMM64(BPF_REG_0, 1), 5891 BPF_EXIT_INSN(), 5892 }, 5893 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5894 .func_info_cnt = 0, 5895 .line_info = { 5896 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5897 BPF_LINE_INFO_ENC(1, 0, 0, 2, 9), 5898 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5899 BTF_END_RAW, 5900 }, 5901 .line_info_rec_size = sizeof(struct bpf_line_info), 5902 .nr_jited_ksyms = 1, 5903 .err_str = "Invalid insn code at line_info[1]", 5904 .expected_prog_load_failure = true, 5905}, 5906 5907{ 5908 .descr = "line_info (No subprog. zero tailing line_info", 5909 .raw_types = { 5910 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5911 BTF_END_RAW, 5912 }, 5913 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5914 .insns = { 5915 BPF_MOV64_IMM(BPF_REG_0, 1), 5916 BPF_MOV64_IMM(BPF_REG_1, 2), 5917 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5918 BPF_EXIT_INSN(), 5919 }, 5920 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5921 .func_info_cnt = 0, 5922 .line_info = { 5923 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0, 5924 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0, 5925 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0, 5926 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 0, 5927 BTF_END_RAW, 5928 }, 5929 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32), 5930 .nr_jited_ksyms = 1, 5931}, 5932 5933{ 5934 .descr = "line_info (No subprog. nonzero tailing line_info)", 5935 .raw_types = { 5936 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5937 BTF_END_RAW, 5938 }, 5939 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5940 .insns = { 5941 BPF_MOV64_IMM(BPF_REG_0, 1), 5942 BPF_MOV64_IMM(BPF_REG_1, 2), 5943 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5944 BPF_EXIT_INSN(), 5945 }, 5946 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5947 .func_info_cnt = 0, 5948 .line_info = { 5949 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0, 5950 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0, 5951 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0, 5952 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 1, 5953 BTF_END_RAW, 5954 }, 5955 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32), 5956 .nr_jited_ksyms = 1, 5957 .err_str = "nonzero tailing record in line_info", 5958 .expected_prog_load_failure = true, 5959}, 5960 5961{ 5962 .descr = "line_info (subprog)", 5963 .raw_types = { 5964 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5965 BTF_END_RAW, 5966 }, 5967 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5968 .insns = { 5969 BPF_MOV64_IMM(BPF_REG_2, 1), 5970 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5971 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5972 BPF_CALL_REL(1), 5973 BPF_EXIT_INSN(), 5974 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5975 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5976 BPF_EXIT_INSN(), 5977 }, 5978 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5979 .func_info_cnt = 0, 5980 .line_info = { 5981 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5982 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 5983 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 5984 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5985 BTF_END_RAW, 5986 }, 5987 .line_info_rec_size = sizeof(struct bpf_line_info), 5988 .nr_jited_ksyms = 2, 5989}, 5990 5991{ 5992 .descr = "line_info (subprog + func_info)", 5993 .raw_types = { 5994 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5995 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 5996 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5997 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 5998 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 5999 BTF_END_RAW, 6000 }, 6001 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 6002 .insns = { 6003 BPF_MOV64_IMM(BPF_REG_2, 1), 6004 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 6005 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 6006 BPF_CALL_REL(1), 6007 BPF_EXIT_INSN(), 6008 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 6009 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6010 BPF_EXIT_INSN(), 6011 }, 6012 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6013 .func_info_cnt = 2, 6014 .func_info_rec_size = 8, 6015 .func_info = { {0, 4}, {5, 3} }, 6016 .line_info = { 6017 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6018 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 6019 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 6020 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 6021 BTF_END_RAW, 6022 }, 6023 .line_info_rec_size = sizeof(struct bpf_line_info), 6024 .nr_jited_ksyms = 2, 6025}, 6026 6027{ 6028 .descr = "line_info (subprog. missing 1st func line info)", 6029 .raw_types = { 6030 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6031 BTF_END_RAW, 6032 }, 6033 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 6034 .insns = { 6035 BPF_MOV64_IMM(BPF_REG_2, 1), 6036 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 6037 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 6038 BPF_CALL_REL(1), 6039 BPF_EXIT_INSN(), 6040 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 6041 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6042 BPF_EXIT_INSN(), 6043 }, 6044 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6045 .func_info_cnt = 0, 6046 .line_info = { 6047 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 1, 10), 6048 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 6049 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 6050 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 6051 BTF_END_RAW, 6052 }, 6053 .line_info_rec_size = sizeof(struct bpf_line_info), 6054 .nr_jited_ksyms = 2, 6055 .err_str = "missing bpf_line_info for func#0", 6056 .expected_prog_load_failure = true, 6057}, 6058 6059{ 6060 .descr = "line_info (subprog. missing 2nd func line info)", 6061 .raw_types = { 6062 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6063 BTF_END_RAW, 6064 }, 6065 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 6066 .insns = { 6067 BPF_MOV64_IMM(BPF_REG_2, 1), 6068 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 6069 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 6070 BPF_CALL_REL(1), 6071 BPF_EXIT_INSN(), 6072 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 6073 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6074 BPF_EXIT_INSN(), 6075 }, 6076 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6077 .func_info_cnt = 0, 6078 .line_info = { 6079 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6080 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 6081 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 3, 8), 6082 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 6083 BTF_END_RAW, 6084 }, 6085 .line_info_rec_size = sizeof(struct bpf_line_info), 6086 .nr_jited_ksyms = 2, 6087 .err_str = "missing bpf_line_info for func#1", 6088 .expected_prog_load_failure = true, 6089}, 6090 6091{ 6092 .descr = "line_info (subprog. unordered insn offset)", 6093 .raw_types = { 6094 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6095 BTF_END_RAW, 6096 }, 6097 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 6098 .insns = { 6099 BPF_MOV64_IMM(BPF_REG_2, 1), 6100 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 6101 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 6102 BPF_CALL_REL(1), 6103 BPF_EXIT_INSN(), 6104 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 6105 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6106 BPF_EXIT_INSN(), 6107 }, 6108 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6109 .func_info_cnt = 0, 6110 .line_info = { 6111 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6112 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 2, 9), 6113 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 6114 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 6115 BTF_END_RAW, 6116 }, 6117 .line_info_rec_size = sizeof(struct bpf_line_info), 6118 .nr_jited_ksyms = 2, 6119 .err_str = "Invalid line_info[2].insn_off", 6120 .expected_prog_load_failure = true, 6121}, 6122 6123{ 6124 .descr = "line_info (dead start)", 6125 .raw_types = { 6126 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6127 BTF_END_RAW, 6128 }, 6129 BTF_STR_SEC("\0int\0/* dead jmp */\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 6130 .insns = { 6131 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6132 BPF_MOV64_IMM(BPF_REG_0, 1), 6133 BPF_MOV64_IMM(BPF_REG_1, 2), 6134 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 6135 BPF_EXIT_INSN(), 6136 }, 6137 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6138 .func_info_cnt = 0, 6139 .line_info = { 6140 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6141 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 6142 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 6143 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 6144 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 6), 6145 BTF_END_RAW, 6146 }, 6147 .line_info_rec_size = sizeof(struct bpf_line_info), 6148 .nr_jited_ksyms = 1, 6149 .dead_code_cnt = 1, 6150 .dead_code_mask = 0x01, 6151}, 6152 6153{ 6154 .descr = "line_info (dead end)", 6155 .raw_types = { 6156 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6157 BTF_END_RAW, 6158 }, 6159 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0/* dead jmp */\0return a + b;\0/* dead exit */"), 6160 .insns = { 6161 BPF_MOV64_IMM(BPF_REG_0, 1), 6162 BPF_MOV64_IMM(BPF_REG_1, 2), 6163 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 6164 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1), 6165 BPF_EXIT_INSN(), 6166 BPF_EXIT_INSN(), 6167 }, 6168 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6169 .func_info_cnt = 0, 6170 .line_info = { 6171 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 12), 6172 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 11), 6173 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 10), 6174 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 9), 6175 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 8), 6176 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 6, 7), 6177 BTF_END_RAW, 6178 }, 6179 .line_info_rec_size = sizeof(struct bpf_line_info), 6180 .nr_jited_ksyms = 1, 6181 .dead_code_cnt = 2, 6182 .dead_code_mask = 0x28, 6183}, 6184 6185{ 6186 .descr = "line_info (dead code + subprog + func_info)", 6187 .raw_types = { 6188 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6189 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6190 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6191 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6192 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6193 BTF_END_RAW, 6194 }, 6195 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0/* dead jmp */" 6196 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 6197 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 6198 "\0return func(a);\0b+=1;\0return b;"), 6199 .insns = { 6200 BPF_MOV64_IMM(BPF_REG_2, 1), 6201 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 6202 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 6203 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 8), 6204 BPF_MOV64_IMM(BPF_REG_2, 1), 6205 BPF_MOV64_IMM(BPF_REG_2, 1), 6206 BPF_MOV64_IMM(BPF_REG_2, 1), 6207 BPF_MOV64_IMM(BPF_REG_2, 1), 6208 BPF_MOV64_IMM(BPF_REG_2, 1), 6209 BPF_MOV64_IMM(BPF_REG_2, 1), 6210 BPF_MOV64_IMM(BPF_REG_2, 1), 6211 BPF_MOV64_IMM(BPF_REG_2, 1), 6212 BPF_CALL_REL(1), 6213 BPF_EXIT_INSN(), 6214 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 6215 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6216 BPF_EXIT_INSN(), 6217 }, 6218 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6219 .func_info_cnt = 2, 6220 .func_info_rec_size = 8, 6221 .func_info = { {0, 4}, {14, 3} }, 6222 .line_info = { 6223 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6224 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6225 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6226 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6227 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6228 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6229 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6230 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6231 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 6232 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 6233 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 6234 BPF_LINE_INFO_ENC(14, 0, NAME_TBD, 3, 8), 6235 BPF_LINE_INFO_ENC(16, 0, NAME_TBD, 4, 7), 6236 BTF_END_RAW, 6237 }, 6238 .line_info_rec_size = sizeof(struct bpf_line_info), 6239 .nr_jited_ksyms = 2, 6240 .dead_code_cnt = 9, 6241 .dead_code_mask = 0x3fe, 6242}, 6243 6244{ 6245 .descr = "line_info (dead subprog)", 6246 .raw_types = { 6247 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6248 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6249 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6250 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6251 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6252 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6253 BTF_END_RAW, 6254 }, 6255 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */" 6256 "\0return 0;\0return 0;\0/* dead */\0/* dead */" 6257 "\0/* dead */\0return bla + 1;\0return bla + 1;" 6258 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"), 6259 .insns = { 6260 BPF_MOV64_IMM(BPF_REG_2, 1), 6261 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6262 BPF_CALL_REL(3), 6263 BPF_CALL_REL(5), 6264 BPF_MOV64_IMM(BPF_REG_0, 0), 6265 BPF_EXIT_INSN(), 6266 BPF_MOV64_IMM(BPF_REG_0, 0), 6267 BPF_CALL_REL(1), 6268 BPF_EXIT_INSN(), 6269 BPF_MOV64_REG(BPF_REG_0, 2), 6270 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6271 BPF_EXIT_INSN(), 6272 }, 6273 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6274 .func_info_cnt = 3, 6275 .func_info_rec_size = 8, 6276 .func_info = { {0, 4}, {6, 3}, {9, 5} }, 6277 .line_info = { 6278 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6279 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6280 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6281 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6282 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6283 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6284 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6285 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6286 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 6287 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 6288 BTF_END_RAW, 6289 }, 6290 .line_info_rec_size = sizeof(struct bpf_line_info), 6291 .nr_jited_ksyms = 2, 6292 .dead_code_cnt = 3, 6293 .dead_code_mask = 0x70, 6294 .dead_func_cnt = 1, 6295 .dead_func_mask = 0x2, 6296}, 6297 6298{ 6299 .descr = "line_info (dead last subprog)", 6300 .raw_types = { 6301 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6302 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6303 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6304 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6305 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6306 BTF_END_RAW, 6307 }, 6308 BTF_STR_SEC("\0int\0x\0dead\0main\0int a=1+1;\0/* live call */" 6309 "\0return 0;\0/* dead */\0/* dead */"), 6310 .insns = { 6311 BPF_MOV64_IMM(BPF_REG_2, 1), 6312 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6313 BPF_CALL_REL(2), 6314 BPF_MOV64_IMM(BPF_REG_0, 0), 6315 BPF_EXIT_INSN(), 6316 BPF_MOV64_IMM(BPF_REG_0, 0), 6317 BPF_EXIT_INSN(), 6318 }, 6319 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6320 .func_info_cnt = 2, 6321 .func_info_rec_size = 8, 6322 .func_info = { {0, 4}, {5, 3} }, 6323 .line_info = { 6324 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6325 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6326 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6327 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6328 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6329 BTF_END_RAW, 6330 }, 6331 .line_info_rec_size = sizeof(struct bpf_line_info), 6332 .nr_jited_ksyms = 1, 6333 .dead_code_cnt = 2, 6334 .dead_code_mask = 0x18, 6335 .dead_func_cnt = 1, 6336 .dead_func_mask = 0x2, 6337}, 6338 6339{ 6340 .descr = "line_info (dead subprog + dead start)", 6341 .raw_types = { 6342 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6343 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6344 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6345 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6346 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6347 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6348 BTF_END_RAW, 6349 }, 6350 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* dead */" 6351 "\0return 0;\0return 0;\0return 0;" 6352 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 6353 "\0return b + 1;\0return b + 1;\0return b + 1;"), 6354 .insns = { 6355 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6356 BPF_MOV64_IMM(BPF_REG_2, 1), 6357 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6358 BPF_CALL_REL(3), 6359 BPF_CALL_REL(5), 6360 BPF_MOV64_IMM(BPF_REG_0, 0), 6361 BPF_EXIT_INSN(), 6362 BPF_MOV64_IMM(BPF_REG_0, 0), 6363 BPF_CALL_REL(1), 6364 BPF_EXIT_INSN(), 6365 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6366 BPF_MOV64_REG(BPF_REG_0, 2), 6367 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6368 BPF_EXIT_INSN(), 6369 }, 6370 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6371 .func_info_cnt = 3, 6372 .func_info_rec_size = 8, 6373 .func_info = { {0, 4}, {7, 3}, {10, 5} }, 6374 .line_info = { 6375 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6376 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6377 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6378 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6379 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6380 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6381 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6382 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6383 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 6384 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 6385 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 6386 BPF_LINE_INFO_ENC(13, 0, NAME_TBD, 2, 9), 6387 BTF_END_RAW, 6388 }, 6389 .line_info_rec_size = sizeof(struct bpf_line_info), 6390 .nr_jited_ksyms = 2, 6391 .dead_code_cnt = 5, 6392 .dead_code_mask = 0x1e2, 6393 .dead_func_cnt = 1, 6394 .dead_func_mask = 0x2, 6395}, 6396 6397{ 6398 .descr = "line_info (dead subprog + dead start w/ move)", 6399 .raw_types = { 6400 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6401 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6402 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6403 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6404 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6405 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6406 BTF_END_RAW, 6407 }, 6408 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */" 6409 "\0return 0;\0return 0;\0/* dead */\0/* dead */" 6410 "\0/* dead */\0return bla + 1;\0return bla + 1;" 6411 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"), 6412 .insns = { 6413 BPF_MOV64_IMM(BPF_REG_2, 1), 6414 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6415 BPF_CALL_REL(3), 6416 BPF_CALL_REL(5), 6417 BPF_MOV64_IMM(BPF_REG_0, 0), 6418 BPF_EXIT_INSN(), 6419 BPF_MOV64_IMM(BPF_REG_0, 0), 6420 BPF_CALL_REL(1), 6421 BPF_EXIT_INSN(), 6422 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6423 BPF_MOV64_REG(BPF_REG_0, 2), 6424 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6425 BPF_EXIT_INSN(), 6426 }, 6427 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6428 .func_info_cnt = 3, 6429 .func_info_rec_size = 8, 6430 .func_info = { {0, 4}, {6, 3}, {9, 5} }, 6431 .line_info = { 6432 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6433 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6434 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6435 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6436 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6437 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6438 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6439 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6440 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 1, 10), 6441 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 6442 BTF_END_RAW, 6443 }, 6444 .line_info_rec_size = sizeof(struct bpf_line_info), 6445 .nr_jited_ksyms = 2, 6446 .dead_code_cnt = 3, 6447 .dead_code_mask = 0x70, 6448 .dead_func_cnt = 1, 6449 .dead_func_mask = 0x2, 6450}, 6451 6452{ 6453 .descr = "line_info (dead end + subprog start w/ no linfo)", 6454 .raw_types = { 6455 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6456 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6457 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6458 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6459 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6460 BTF_END_RAW, 6461 }, 6462 BTF_STR_SEC("\0int\0x\0main\0func\0/* main linfo */\0/* func linfo */"), 6463 .insns = { 6464 BPF_MOV64_IMM(BPF_REG_0, 0), 6465 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 1, 3), 6466 BPF_CALL_REL(3), 6467 BPF_MOV64_IMM(BPF_REG_0, 0), 6468 BPF_EXIT_INSN(), 6469 BPF_EXIT_INSN(), 6470 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6471 BPF_EXIT_INSN(), 6472 }, 6473 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6474 .func_info_cnt = 2, 6475 .func_info_rec_size = 8, 6476 .func_info = { {0, 3}, {6, 4}, }, 6477 .line_info = { 6478 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6479 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6480 BTF_END_RAW, 6481 }, 6482 .line_info_rec_size = sizeof(struct bpf_line_info), 6483 .nr_jited_ksyms = 2, 6484}, 6485 6486}; 6487 6488static size_t probe_prog_length(const struct bpf_insn *fp) 6489{ 6490 size_t len; 6491 6492 for (len = MAX_INSNS - 1; len > 0; --len) 6493 if (fp[len].code != 0 || fp[len].imm != 0) 6494 break; 6495 return len + 1; 6496} 6497 6498static __u32 *patch_name_tbd(const __u32 *raw_u32, 6499 const char *str, __u32 str_off, 6500 unsigned int str_sec_size, 6501 unsigned int *ret_size) 6502{ 6503 int i, raw_u32_size = get_raw_sec_size(raw_u32); 6504 const char *end_str = str + str_sec_size; 6505 const char *next_str = str + str_off; 6506 __u32 *new_u32 = NULL; 6507 6508 if (raw_u32_size == -1) 6509 return ERR_PTR(-EINVAL); 6510 6511 if (!raw_u32_size) { 6512 *ret_size = 0; 6513 return NULL; 6514 } 6515 6516 new_u32 = malloc(raw_u32_size); 6517 if (!new_u32) 6518 return ERR_PTR(-ENOMEM); 6519 6520 for (i = 0; i < raw_u32_size / sizeof(raw_u32[0]); i++) { 6521 if (raw_u32[i] == NAME_TBD) { 6522 next_str = get_next_str(next_str, end_str); 6523 if (CHECK(!next_str, "Error in getting next_str\n")) { 6524 free(new_u32); 6525 return ERR_PTR(-EINVAL); 6526 } 6527 new_u32[i] = next_str - str; 6528 next_str += strlen(next_str); 6529 } else { 6530 new_u32[i] = raw_u32[i]; 6531 } 6532 } 6533 6534 *ret_size = raw_u32_size; 6535 return new_u32; 6536} 6537 6538static int test_get_finfo(const struct prog_info_raw_test *test, 6539 int prog_fd) 6540{ 6541 struct bpf_prog_info info = {}; 6542 struct bpf_func_info *finfo; 6543 __u32 info_len, rec_size, i; 6544 void *func_info = NULL; 6545 __u32 nr_func_info; 6546 int err; 6547 6548 /* get necessary lens */ 6549 info_len = sizeof(struct bpf_prog_info); 6550 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 6551 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) { 6552 fprintf(stderr, "%s\n", btf_log_buf); 6553 return -1; 6554 } 6555 nr_func_info = test->func_info_cnt - test->dead_func_cnt; 6556 if (CHECK(info.nr_func_info != nr_func_info, 6557 "incorrect info.nr_func_info (1st) %d", 6558 info.nr_func_info)) { 6559 return -1; 6560 } 6561 6562 rec_size = info.func_info_rec_size; 6563 if (CHECK(rec_size != sizeof(struct bpf_func_info), 6564 "incorrect info.func_info_rec_size (1st) %d", rec_size)) { 6565 return -1; 6566 } 6567 6568 if (!info.nr_func_info) 6569 return 0; 6570 6571 func_info = malloc(info.nr_func_info * rec_size); 6572 if (CHECK(!func_info, "out of memory")) 6573 return -1; 6574 6575 /* reset info to only retrieve func_info related data */ 6576 memset(&info, 0, sizeof(info)); 6577 info.nr_func_info = nr_func_info; 6578 info.func_info_rec_size = rec_size; 6579 info.func_info = ptr_to_u64(func_info); 6580 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 6581 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) { 6582 fprintf(stderr, "%s\n", btf_log_buf); 6583 err = -1; 6584 goto done; 6585 } 6586 if (CHECK(info.nr_func_info != nr_func_info, 6587 "incorrect info.nr_func_info (2nd) %d", 6588 info.nr_func_info)) { 6589 err = -1; 6590 goto done; 6591 } 6592 if (CHECK(info.func_info_rec_size != rec_size, 6593 "incorrect info.func_info_rec_size (2nd) %d", 6594 info.func_info_rec_size)) { 6595 err = -1; 6596 goto done; 6597 } 6598 6599 finfo = func_info; 6600 for (i = 0; i < nr_func_info; i++) { 6601 if (test->dead_func_mask & (1 << i)) 6602 continue; 6603 if (CHECK(finfo->type_id != test->func_info[i][1], 6604 "incorrect func_type %u expected %u", 6605 finfo->type_id, test->func_info[i][1])) { 6606 err = -1; 6607 goto done; 6608 } 6609 finfo = (void *)finfo + rec_size; 6610 } 6611 6612 err = 0; 6613 6614done: 6615 free(func_info); 6616 return err; 6617} 6618 6619static int test_get_linfo(const struct prog_info_raw_test *test, 6620 const void *patched_linfo, 6621 __u32 cnt, int prog_fd) 6622{ 6623 __u32 i, info_len, nr_jited_ksyms, nr_jited_func_lens; 6624 __u64 *jited_linfo = NULL, *jited_ksyms = NULL; 6625 __u32 rec_size, jited_rec_size, jited_cnt; 6626 struct bpf_line_info *linfo = NULL; 6627 __u32 cur_func_len, ksyms_found; 6628 struct bpf_prog_info info = {}; 6629 __u32 *jited_func_lens = NULL; 6630 __u64 cur_func_ksyms; 6631 __u32 dead_insns; 6632 int err; 6633 6634 jited_cnt = cnt; 6635 rec_size = sizeof(*linfo); 6636 jited_rec_size = sizeof(*jited_linfo); 6637 if (test->nr_jited_ksyms) 6638 nr_jited_ksyms = test->nr_jited_ksyms; 6639 else 6640 nr_jited_ksyms = test->func_info_cnt - test->dead_func_cnt; 6641 nr_jited_func_lens = nr_jited_ksyms; 6642 6643 info_len = sizeof(struct bpf_prog_info); 6644 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 6645 if (CHECK(err < 0, "err:%d errno:%d", err, errno)) { 6646 err = -1; 6647 goto done; 6648 } 6649 6650 if (!info.jited_prog_len) { 6651 /* prog is not jited */ 6652 jited_cnt = 0; 6653 nr_jited_ksyms = 1; 6654 nr_jited_func_lens = 1; 6655 } 6656 6657 if (CHECK(info.nr_line_info != cnt || 6658 info.nr_jited_line_info != jited_cnt || 6659 info.nr_jited_ksyms != nr_jited_ksyms || 6660 info.nr_jited_func_lens != nr_jited_func_lens || 6661 (!info.nr_line_info && info.nr_jited_line_info), 6662 "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)", 6663 info.nr_line_info, cnt, 6664 info.nr_jited_line_info, jited_cnt, 6665 info.nr_jited_ksyms, nr_jited_ksyms, 6666 info.nr_jited_func_lens, nr_jited_func_lens)) { 6667 err = -1; 6668 goto done; 6669 } 6670 6671 if (CHECK(info.line_info_rec_size != sizeof(struct bpf_line_info) || 6672 info.jited_line_info_rec_size != sizeof(__u64), 6673 "info: line_info_rec_size:%u(userspace expected:%u) jited_line_info_rec_size:%u(userspace expected:%u)", 6674 info.line_info_rec_size, rec_size, 6675 info.jited_line_info_rec_size, jited_rec_size)) { 6676 err = -1; 6677 goto done; 6678 } 6679 6680 if (!cnt) 6681 return 0; 6682 6683 rec_size = info.line_info_rec_size; 6684 jited_rec_size = info.jited_line_info_rec_size; 6685 6686 memset(&info, 0, sizeof(info)); 6687 6688 linfo = calloc(cnt, rec_size); 6689 if (CHECK(!linfo, "!linfo")) { 6690 err = -1; 6691 goto done; 6692 } 6693 info.nr_line_info = cnt; 6694 info.line_info_rec_size = rec_size; 6695 info.line_info = ptr_to_u64(linfo); 6696 6697 if (jited_cnt) { 6698 jited_linfo = calloc(jited_cnt, jited_rec_size); 6699 jited_ksyms = calloc(nr_jited_ksyms, sizeof(*jited_ksyms)); 6700 jited_func_lens = calloc(nr_jited_func_lens, 6701 sizeof(*jited_func_lens)); 6702 if (CHECK(!jited_linfo || !jited_ksyms || !jited_func_lens, 6703 "jited_linfo:%p jited_ksyms:%p jited_func_lens:%p", 6704 jited_linfo, jited_ksyms, jited_func_lens)) { 6705 err = -1; 6706 goto done; 6707 } 6708 6709 info.nr_jited_line_info = jited_cnt; 6710 info.jited_line_info_rec_size = jited_rec_size; 6711 info.jited_line_info = ptr_to_u64(jited_linfo); 6712 info.nr_jited_ksyms = nr_jited_ksyms; 6713 info.jited_ksyms = ptr_to_u64(jited_ksyms); 6714 info.nr_jited_func_lens = nr_jited_func_lens; 6715 info.jited_func_lens = ptr_to_u64(jited_func_lens); 6716 } 6717 6718 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 6719 6720 /* 6721 * Only recheck the info.*line_info* fields. 6722 * Other fields are not the concern of this test. 6723 */ 6724 if (CHECK(err < 0 || 6725 info.nr_line_info != cnt || 6726 (jited_cnt && !info.jited_line_info) || 6727 info.nr_jited_line_info != jited_cnt || 6728 info.line_info_rec_size != rec_size || 6729 info.jited_line_info_rec_size != jited_rec_size, 6730 "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", 6731 err, errno, 6732 info.nr_line_info, cnt, 6733 info.nr_jited_line_info, jited_cnt, 6734 info.line_info_rec_size, rec_size, 6735 info.jited_line_info_rec_size, jited_rec_size, 6736 (void *)(long)info.line_info, 6737 (void *)(long)info.jited_line_info)) { 6738 err = -1; 6739 goto done; 6740 } 6741 6742 dead_insns = 0; 6743 while (test->dead_code_mask & (1 << dead_insns)) 6744 dead_insns++; 6745 6746 CHECK(linfo[0].insn_off, "linfo[0].insn_off:%u", 6747 linfo[0].insn_off); 6748 for (i = 1; i < cnt; i++) { 6749 const struct bpf_line_info *expected_linfo; 6750 6751 while (test->dead_code_mask & (1 << (i + dead_insns))) 6752 dead_insns++; 6753 6754 expected_linfo = patched_linfo + 6755 ((i + dead_insns) * test->line_info_rec_size); 6756 if (CHECK(linfo[i].insn_off <= linfo[i - 1].insn_off, 6757 "linfo[%u].insn_off:%u <= linfo[%u].insn_off:%u", 6758 i, linfo[i].insn_off, 6759 i - 1, linfo[i - 1].insn_off)) { 6760 err = -1; 6761 goto done; 6762 } 6763 if (CHECK(linfo[i].file_name_off != expected_linfo->file_name_off || 6764 linfo[i].line_off != expected_linfo->line_off || 6765 linfo[i].line_col != expected_linfo->line_col, 6766 "linfo[%u] (%u, %u, %u) != (%u, %u, %u)", i, 6767 linfo[i].file_name_off, 6768 linfo[i].line_off, 6769 linfo[i].line_col, 6770 expected_linfo->file_name_off, 6771 expected_linfo->line_off, 6772 expected_linfo->line_col)) { 6773 err = -1; 6774 goto done; 6775 } 6776 } 6777 6778 if (!jited_cnt) { 6779 fprintf(stderr, "not jited. skipping jited_line_info check. "); 6780 err = 0; 6781 goto done; 6782 } 6783 6784 if (CHECK(jited_linfo[0] != jited_ksyms[0], 6785 "jited_linfo[0]:%lx != jited_ksyms[0]:%lx", 6786 (long)(jited_linfo[0]), (long)(jited_ksyms[0]))) { 6787 err = -1; 6788 goto done; 6789 } 6790 6791 ksyms_found = 1; 6792 cur_func_len = jited_func_lens[0]; 6793 cur_func_ksyms = jited_ksyms[0]; 6794 for (i = 1; i < jited_cnt; i++) { 6795 if (ksyms_found < nr_jited_ksyms && 6796 jited_linfo[i] == jited_ksyms[ksyms_found]) { 6797 cur_func_ksyms = jited_ksyms[ksyms_found]; 6798 cur_func_len = jited_ksyms[ksyms_found]; 6799 ksyms_found++; 6800 continue; 6801 } 6802 6803 if (CHECK(jited_linfo[i] <= jited_linfo[i - 1], 6804 "jited_linfo[%u]:%lx <= jited_linfo[%u]:%lx", 6805 i, (long)jited_linfo[i], 6806 i - 1, (long)(jited_linfo[i - 1]))) { 6807 err = -1; 6808 goto done; 6809 } 6810 6811 if (CHECK(jited_linfo[i] - cur_func_ksyms > cur_func_len, 6812 "jited_linfo[%u]:%lx - %lx > %u", 6813 i, (long)jited_linfo[i], (long)cur_func_ksyms, 6814 cur_func_len)) { 6815 err = -1; 6816 goto done; 6817 } 6818 } 6819 6820 if (CHECK(ksyms_found != nr_jited_ksyms, 6821 "ksyms_found:%u != nr_jited_ksyms:%u", 6822 ksyms_found, nr_jited_ksyms)) { 6823 err = -1; 6824 goto done; 6825 } 6826 6827 err = 0; 6828 6829done: 6830 free(linfo); 6831 free(jited_linfo); 6832 free(jited_ksyms); 6833 free(jited_func_lens); 6834 return err; 6835} 6836 6837static void do_test_info_raw(unsigned int test_num) 6838{ 6839 const struct prog_info_raw_test *test = &info_raw_tests[test_num - 1]; 6840 unsigned int raw_btf_size, linfo_str_off, linfo_size = 0; 6841 int btf_fd = -1, prog_fd = -1, err = 0; 6842 void *raw_btf, *patched_linfo = NULL; 6843 const char *ret_next_str; 6844 union bpf_attr attr = {}; 6845 6846 if (!test__start_subtest(test->descr)) 6847 return; 6848 6849 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, 6850 test->str_sec, test->str_sec_size, 6851 &raw_btf_size, &ret_next_str); 6852 if (!raw_btf) 6853 return; 6854 6855 *btf_log_buf = '\0'; 6856 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 6857 free(raw_btf); 6858 6859 if (CHECK(btf_fd < 0, "invalid btf_fd errno:%d", errno)) { 6860 err = -1; 6861 goto done; 6862 } 6863 6864 if (*btf_log_buf && always_log) 6865 fprintf(stderr, "\n%s", btf_log_buf); 6866 *btf_log_buf = '\0'; 6867 6868 linfo_str_off = ret_next_str - test->str_sec; 6869 patched_linfo = patch_name_tbd(test->line_info, 6870 test->str_sec, linfo_str_off, 6871 test->str_sec_size, &linfo_size); 6872 err = libbpf_get_error(patched_linfo); 6873 if (err) { 6874 fprintf(stderr, "error in creating raw bpf_line_info"); 6875 err = -1; 6876 goto done; 6877 } 6878 6879 attr.prog_type = test->prog_type; 6880 attr.insns = ptr_to_u64(test->insns); 6881 attr.insn_cnt = probe_prog_length(test->insns); 6882 attr.license = ptr_to_u64("GPL"); 6883 attr.prog_btf_fd = btf_fd; 6884 attr.func_info_rec_size = test->func_info_rec_size; 6885 attr.func_info_cnt = test->func_info_cnt; 6886 attr.func_info = ptr_to_u64(test->func_info); 6887 attr.log_buf = ptr_to_u64(btf_log_buf); 6888 attr.log_size = BTF_LOG_BUF_SIZE; 6889 attr.log_level = 1; 6890 if (linfo_size) { 6891 attr.line_info_rec_size = test->line_info_rec_size; 6892 attr.line_info = ptr_to_u64(patched_linfo); 6893 attr.line_info_cnt = linfo_size / attr.line_info_rec_size; 6894 } 6895 6896 prog_fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)); 6897 err = ((prog_fd < 0) != test->expected_prog_load_failure); 6898 if (CHECK(err, "prog_fd:%d expected_prog_load_failure:%u errno:%d", 6899 prog_fd, test->expected_prog_load_failure, errno) || 6900 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str), 6901 "expected err_str:%s", test->err_str)) { 6902 err = -1; 6903 goto done; 6904 } 6905 6906 if (prog_fd < 0) 6907 goto done; 6908 6909 err = test_get_finfo(test, prog_fd); 6910 if (err) 6911 goto done; 6912 6913 err = test_get_linfo(test, patched_linfo, 6914 attr.line_info_cnt - test->dead_code_cnt, 6915 prog_fd); 6916 if (err) 6917 goto done; 6918 6919done: 6920 if (*btf_log_buf && (err || always_log)) 6921 fprintf(stderr, "\n%s", btf_log_buf); 6922 6923 if (btf_fd >= 0) 6924 close(btf_fd); 6925 if (prog_fd >= 0) 6926 close(prog_fd); 6927 6928 if (!libbpf_get_error(patched_linfo)) 6929 free(patched_linfo); 6930} 6931 6932struct btf_raw_data { 6933 __u32 raw_types[MAX_NR_RAW_U32]; 6934 const char *str_sec; 6935 __u32 str_sec_size; 6936}; 6937 6938struct btf_dedup_test { 6939 const char *descr; 6940 struct btf_raw_data input; 6941 struct btf_raw_data expect; 6942 struct btf_dedup_opts opts; 6943}; 6944 6945static struct btf_dedup_test dedup_tests[] = { 6946 6947{ 6948 .descr = "dedup: unused strings filtering", 6949 .input = { 6950 .raw_types = { 6951 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 4), 6952 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 64, 8), 6953 BTF_END_RAW, 6954 }, 6955 BTF_STR_SEC("\0unused\0int\0foo\0bar\0long"), 6956 }, 6957 .expect = { 6958 .raw_types = { 6959 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6960 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6961 BTF_END_RAW, 6962 }, 6963 BTF_STR_SEC("\0int\0long"), 6964 }, 6965}, 6966{ 6967 .descr = "dedup: strings deduplication", 6968 .input = { 6969 .raw_types = { 6970 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6971 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6972 BTF_TYPE_INT_ENC(NAME_NTH(3), BTF_INT_SIGNED, 0, 32, 4), 6973 BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 64, 8), 6974 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), 6975 BTF_END_RAW, 6976 }, 6977 BTF_STR_SEC("\0int\0long int\0int\0long int\0int"), 6978 }, 6979 .expect = { 6980 .raw_types = { 6981 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6982 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6983 BTF_END_RAW, 6984 }, 6985 BTF_STR_SEC("\0int\0long int"), 6986 }, 6987}, 6988{ 6989 .descr = "dedup: struct example #1", 6990 /* 6991 * struct s { 6992 * struct s *next; 6993 * const int *a; 6994 * int b[16]; 6995 * int c; 6996 * } 6997 */ 6998 .input = { 6999 .raw_types = { 7000 /* int */ 7001 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7002 /* int[16] */ 7003 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */ 7004 /* struct s { */ 7005 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [3] */ 7006 BTF_MEMBER_ENC(NAME_NTH(3), 4, 0), /* struct s *next; */ 7007 BTF_MEMBER_ENC(NAME_NTH(4), 5, 64), /* const int *a; */ 7008 BTF_MEMBER_ENC(NAME_NTH(5), 2, 128), /* int b[16]; */ 7009 BTF_MEMBER_ENC(NAME_NTH(6), 1, 640), /* int c; */ 7010 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), /* float d; */ 7011 /* ptr -> [3] struct s */ 7012 BTF_PTR_ENC(3), /* [4] */ 7013 /* ptr -> [6] const int */ 7014 BTF_PTR_ENC(6), /* [5] */ 7015 /* const -> [1] int */ 7016 BTF_CONST_ENC(1), /* [6] */ 7017 /* tag -> [3] struct s */ 7018 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */ 7019 /* tag -> [3] struct s, member 1 */ 7020 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */ 7021 7022 /* full copy of the above */ 7023 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [9] */ 7024 BTF_TYPE_ARRAY_ENC(9, 9, 16), /* [10] */ 7025 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [11] */ 7026 BTF_MEMBER_ENC(NAME_NTH(3), 12, 0), 7027 BTF_MEMBER_ENC(NAME_NTH(4), 13, 64), 7028 BTF_MEMBER_ENC(NAME_NTH(5), 10, 128), 7029 BTF_MEMBER_ENC(NAME_NTH(6), 9, 640), 7030 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), 7031 BTF_PTR_ENC(11), /* [12] */ 7032 BTF_PTR_ENC(14), /* [13] */ 7033 BTF_CONST_ENC(9), /* [14] */ 7034 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [15] */ 7035 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, -1), /* [16] */ 7036 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, 1), /* [17] */ 7037 BTF_END_RAW, 7038 }, 7039 BTF_STR_SEC("\0int\0s\0next\0a\0b\0c\0float\0d"), 7040 }, 7041 .expect = { 7042 .raw_types = { 7043 /* int */ 7044 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7045 /* int[16] */ 7046 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */ 7047 /* struct s { */ 7048 BTF_STRUCT_ENC(NAME_NTH(8), 5, 88), /* [3] */ 7049 BTF_MEMBER_ENC(NAME_NTH(7), 4, 0), /* struct s *next; */ 7050 BTF_MEMBER_ENC(NAME_NTH(1), 5, 64), /* const int *a; */ 7051 BTF_MEMBER_ENC(NAME_NTH(2), 2, 128), /* int b[16]; */ 7052 BTF_MEMBER_ENC(NAME_NTH(3), 1, 640), /* int c; */ 7053 BTF_MEMBER_ENC(NAME_NTH(4), 9, 672), /* float d; */ 7054 /* ptr -> [3] struct s */ 7055 BTF_PTR_ENC(3), /* [4] */ 7056 /* ptr -> [6] const int */ 7057 BTF_PTR_ENC(6), /* [5] */ 7058 /* const -> [1] int */ 7059 BTF_CONST_ENC(1), /* [6] */ 7060 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */ 7061 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */ 7062 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [9] */ 7063 BTF_END_RAW, 7064 }, 7065 BTF_STR_SEC("\0a\0b\0c\0d\0int\0float\0next\0s"), 7066 }, 7067}, 7068{ 7069 .descr = "dedup: struct <-> fwd resolution w/ hash collision", 7070 /* 7071 * // CU 1: 7072 * struct x; 7073 * struct s { 7074 * struct x *x; 7075 * }; 7076 * // CU 2: 7077 * struct x {}; 7078 * struct s { 7079 * struct x *x; 7080 * }; 7081 */ 7082 .input = { 7083 .raw_types = { 7084 /* CU 1 */ 7085 BTF_FWD_ENC(NAME_TBD, 0 /* struct fwd */), /* [1] fwd x */ 7086 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 7087 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] struct s */ 7088 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 7089 /* CU 2 */ 7090 BTF_STRUCT_ENC(NAME_TBD, 0, 0), /* [4] struct x */ 7091 BTF_PTR_ENC(4), /* [5] ptr -> [4] */ 7092 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [6] struct s */ 7093 BTF_MEMBER_ENC(NAME_TBD, 5, 0), 7094 BTF_END_RAW, 7095 }, 7096 BTF_STR_SEC("\0x\0s\0x\0x\0s\0x\0"), 7097 }, 7098 .expect = { 7099 .raw_types = { 7100 BTF_PTR_ENC(3), /* [1] ptr -> [3] */ 7101 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [2] struct s */ 7102 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7103 BTF_STRUCT_ENC(NAME_NTH(2), 0, 0), /* [3] struct x */ 7104 BTF_END_RAW, 7105 }, 7106 BTF_STR_SEC("\0s\0x"), 7107 }, 7108 .opts = { 7109 .force_collisions = true, /* force hash collisions */ 7110 }, 7111}, 7112{ 7113 .descr = "dedup: void equiv check", 7114 /* 7115 * // CU 1: 7116 * struct s { 7117 * struct {} *x; 7118 * }; 7119 * // CU 2: 7120 * struct s { 7121 * int *x; 7122 * }; 7123 */ 7124 .input = { 7125 .raw_types = { 7126 /* CU 1 */ 7127 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */ 7128 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 7129 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */ 7130 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7131 /* CU 2 */ 7132 BTF_PTR_ENC(0), /* [4] ptr -> void */ 7133 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */ 7134 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0), 7135 BTF_END_RAW, 7136 }, 7137 BTF_STR_SEC("\0s\0x"), 7138 }, 7139 .expect = { 7140 .raw_types = { 7141 /* CU 1 */ 7142 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */ 7143 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 7144 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */ 7145 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7146 /* CU 2 */ 7147 BTF_PTR_ENC(0), /* [4] ptr -> void */ 7148 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */ 7149 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0), 7150 BTF_END_RAW, 7151 }, 7152 BTF_STR_SEC("\0s\0x"), 7153 }, 7154 .opts = { 7155 .force_collisions = true, /* force hash collisions */ 7156 }, 7157}, 7158{ 7159 .descr = "dedup: all possible kinds (no duplicates)", 7160 .input = { 7161 .raw_types = { 7162 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */ 7163 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */ 7164 BTF_ENUM_ENC(NAME_TBD, 0), 7165 BTF_ENUM_ENC(NAME_TBD, 1), 7166 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */ 7167 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */ 7168 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */ 7169 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7170 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */ 7171 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7172 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */ 7173 BTF_PTR_ENC(0), /* [8] ptr */ 7174 BTF_CONST_ENC(8), /* [9] const */ 7175 BTF_VOLATILE_ENC(8), /* [10] volatile */ 7176 BTF_RESTRICT_ENC(8), /* [11] restrict */ 7177 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ 7178 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 7179 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), 7180 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ 7181 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ 7182 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ 7183 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ 7184 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ 7185 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ 7186 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */ 7187 BTF_ENUM64_ENC(NAME_TBD, 0, 0), 7188 BTF_ENUM64_ENC(NAME_TBD, 1, 1), 7189 BTF_END_RAW, 7190 }, 7191 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"), 7192 }, 7193 .expect = { 7194 .raw_types = { 7195 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */ 7196 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */ 7197 BTF_ENUM_ENC(NAME_TBD, 0), 7198 BTF_ENUM_ENC(NAME_TBD, 1), 7199 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */ 7200 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */ 7201 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */ 7202 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7203 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */ 7204 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7205 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */ 7206 BTF_PTR_ENC(0), /* [8] ptr */ 7207 BTF_CONST_ENC(8), /* [9] const */ 7208 BTF_VOLATILE_ENC(8), /* [10] volatile */ 7209 BTF_RESTRICT_ENC(8), /* [11] restrict */ 7210 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ 7211 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 7212 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), 7213 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ 7214 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ 7215 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ 7216 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ 7217 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ 7218 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ 7219 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */ 7220 BTF_ENUM64_ENC(NAME_TBD, 0, 0), 7221 BTF_ENUM64_ENC(NAME_TBD, 1, 1), 7222 BTF_END_RAW, 7223 }, 7224 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"), 7225 }, 7226}, 7227{ 7228 .descr = "dedup: no int/float duplicates", 7229 .input = { 7230 .raw_types = { 7231 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8), 7232 /* different name */ 7233 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8), 7234 /* different encoding */ 7235 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8), 7236 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8), 7237 /* different bit offset */ 7238 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8), 7239 /* different bit size */ 7240 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8), 7241 /* different byte size */ 7242 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 7243 /* all allowed sizes */ 7244 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2), 7245 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4), 7246 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8), 7247 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12), 7248 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16), 7249 BTF_END_RAW, 7250 }, 7251 BTF_STR_SEC("\0int\0some other int\0float"), 7252 }, 7253 .expect = { 7254 .raw_types = { 7255 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8), 7256 /* different name */ 7257 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8), 7258 /* different encoding */ 7259 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8), 7260 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8), 7261 /* different bit offset */ 7262 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8), 7263 /* different bit size */ 7264 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8), 7265 /* different byte size */ 7266 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 7267 /* all allowed sizes */ 7268 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2), 7269 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4), 7270 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8), 7271 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12), 7272 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16), 7273 BTF_END_RAW, 7274 }, 7275 BTF_STR_SEC("\0int\0some other int\0float"), 7276 }, 7277}, 7278{ 7279 .descr = "dedup: enum fwd resolution", 7280 .input = { 7281 .raw_types = { 7282 /* [1] fwd enum 'e1' before full enum */ 7283 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), 7284 /* [2] full enum 'e1' after fwd */ 7285 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7286 BTF_ENUM_ENC(NAME_NTH(2), 123), 7287 /* [3] full enum 'e2' before fwd */ 7288 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7289 BTF_ENUM_ENC(NAME_NTH(4), 456), 7290 /* [4] fwd enum 'e2' after full enum */ 7291 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), 7292 /* [5] fwd enum with different size, size does not matter for fwd */ 7293 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1), 7294 /* [6] incompatible full enum with different value */ 7295 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7296 BTF_ENUM_ENC(NAME_NTH(2), 321), 7297 BTF_END_RAW, 7298 }, 7299 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7300 }, 7301 .expect = { 7302 .raw_types = { 7303 /* [1] full enum 'e1' */ 7304 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7305 BTF_ENUM_ENC(NAME_NTH(2), 123), 7306 /* [2] full enum 'e2' */ 7307 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7308 BTF_ENUM_ENC(NAME_NTH(4), 456), 7309 /* [3] incompatible full enum with different value */ 7310 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7311 BTF_ENUM_ENC(NAME_NTH(2), 321), 7312 BTF_END_RAW, 7313 }, 7314 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7315 }, 7316}, 7317{ 7318 .descr = "dedup: datasec and vars pass-through", 7319 .input = { 7320 .raw_types = { 7321 /* int */ 7322 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7323 /* static int t */ 7324 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */ 7325 /* .bss section */ /* [3] */ 7326 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7327 BTF_VAR_SECINFO_ENC(2, 0, 4), 7328 /* int, referenced from [5] */ 7329 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */ 7330 /* another static int t */ 7331 BTF_VAR_ENC(NAME_NTH(2), 4, 0), /* [5] */ 7332 /* another .bss section */ /* [6] */ 7333 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7334 BTF_VAR_SECINFO_ENC(5, 0, 4), 7335 BTF_END_RAW, 7336 }, 7337 BTF_STR_SEC("\0.bss\0t"), 7338 }, 7339 .expect = { 7340 .raw_types = { 7341 /* int */ 7342 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7343 /* static int t */ 7344 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */ 7345 /* .bss section */ /* [3] */ 7346 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7347 BTF_VAR_SECINFO_ENC(2, 0, 4), 7348 /* another static int t */ 7349 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [4] */ 7350 /* another .bss section */ /* [5] */ 7351 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7352 BTF_VAR_SECINFO_ENC(4, 0, 4), 7353 BTF_END_RAW, 7354 }, 7355 BTF_STR_SEC("\0.bss\0t"), 7356 }, 7357 .opts = { 7358 .force_collisions = true 7359 }, 7360}, 7361{ 7362 .descr = "dedup: func/func_arg/var tags", 7363 .input = { 7364 .raw_types = { 7365 /* int */ 7366 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7367 /* static int t */ 7368 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */ 7369 /* void f(int a1, int a2) */ 7370 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 7371 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7372 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1), 7373 BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */ 7374 /* tag -> t */ 7375 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7376 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [6] */ 7377 /* tag -> func */ 7378 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [7] */ 7379 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [8] */ 7380 /* tag -> func arg a1 */ 7381 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [9] */ 7382 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [10] */ 7383 BTF_END_RAW, 7384 }, 7385 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"), 7386 }, 7387 .expect = { 7388 .raw_types = { 7389 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7390 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */ 7391 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 7392 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7393 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1), 7394 BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */ 7395 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7396 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [6] */ 7397 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [7] */ 7398 BTF_END_RAW, 7399 }, 7400 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"), 7401 }, 7402}, 7403{ 7404 .descr = "dedup: func/func_param tags", 7405 .input = { 7406 .raw_types = { 7407 /* int */ 7408 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7409 /* void f(int a1, int a2) */ 7410 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 7411 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7412 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7413 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */ 7414 /* void f(int a1, int a2) */ 7415 BTF_FUNC_PROTO_ENC(0, 2), /* [4] */ 7416 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7417 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7418 BTF_FUNC_ENC(NAME_NTH(3), 4), /* [5] */ 7419 /* tag -> f: tag1, tag2 */ 7420 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [6] */ 7421 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [7] */ 7422 /* tag -> f/a2: tag1, tag2 */ 7423 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [8] */ 7424 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [9] */ 7425 /* tag -> f: tag1, tag3 */ 7426 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, -1), /* [10] */ 7427 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, -1), /* [11] */ 7428 /* tag -> f/a2: tag1, tag3 */ 7429 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, 1), /* [12] */ 7430 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, 1), /* [13] */ 7431 BTF_END_RAW, 7432 }, 7433 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"), 7434 }, 7435 .expect = { 7436 .raw_types = { 7437 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7438 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 7439 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7440 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7441 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */ 7442 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [4] */ 7443 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [5] */ 7444 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [6] */ 7445 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [7] */ 7446 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [8] */ 7447 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [9] */ 7448 BTF_END_RAW, 7449 }, 7450 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"), 7451 }, 7452}, 7453{ 7454 .descr = "dedup: struct/struct_member tags", 7455 .input = { 7456 .raw_types = { 7457 /* int */ 7458 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7459 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */ 7460 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7461 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7462 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [3] */ 7463 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7464 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7465 /* tag -> t: tag1, tag2 */ 7466 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [4] */ 7467 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7468 /* tag -> t/m2: tag1, tag2 */ 7469 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */ 7470 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */ 7471 /* tag -> t: tag1, tag3 */ 7472 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [8] */ 7473 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [9] */ 7474 /* tag -> t/m2: tag1, tag3 */ 7475 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [10] */ 7476 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [11] */ 7477 BTF_END_RAW, 7478 }, 7479 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), 7480 }, 7481 .expect = { 7482 .raw_types = { 7483 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7484 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */ 7485 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7486 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7487 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [3] */ 7488 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [4] */ 7489 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, -1), /* [5] */ 7490 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */ 7491 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */ 7492 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, 1), /* [8] */ 7493 BTF_END_RAW, 7494 }, 7495 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), 7496 }, 7497}, 7498{ 7499 .descr = "dedup: recursive typedef", 7500 /* 7501 * This test simulates a recursive typedef, which in GO is defined as such: 7502 * 7503 * type Foo func() Foo 7504 * 7505 * In BTF terms, this is represented as a TYPEDEF referencing 7506 * a FUNC_PROTO that returns the same TYPEDEF. 7507 */ 7508 .input = { 7509 .raw_types = { 7510 /* 7511 * [1] typedef Foo -> func() Foo 7512 * [2] func_proto() -> Foo 7513 * [3] typedef Foo -> func() Foo 7514 * [4] func_proto() -> Foo 7515 */ 7516 BTF_TYPEDEF_ENC(NAME_NTH(1), 2), /* [1] */ 7517 BTF_FUNC_PROTO_ENC(1, 0), /* [2] */ 7518 BTF_TYPEDEF_ENC(NAME_NTH(1), 4), /* [3] */ 7519 BTF_FUNC_PROTO_ENC(3, 0), /* [4] */ 7520 BTF_END_RAW, 7521 }, 7522 BTF_STR_SEC("\0Foo"), 7523 }, 7524 .expect = { 7525 .raw_types = { 7526 BTF_TYPEDEF_ENC(NAME_NTH(1), 2), /* [1] */ 7527 BTF_FUNC_PROTO_ENC(1, 0), /* [2] */ 7528 BTF_END_RAW, 7529 }, 7530 BTF_STR_SEC("\0Foo"), 7531 }, 7532}, 7533{ 7534 .descr = "dedup: typedef", 7535 /* 7536 * // CU 1: 7537 * typedef int foo; 7538 * 7539 * // CU 2: 7540 * typedef int foo; 7541 */ 7542 .input = { 7543 .raw_types = { 7544 /* CU 1 */ 7545 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7546 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ 7547 /* CU 2 */ 7548 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [3] */ 7549 BTF_TYPEDEF_ENC(NAME_NTH(1), 3), /* [4] */ 7550 BTF_END_RAW, 7551 }, 7552 BTF_STR_SEC("\0foo"), 7553 }, 7554 .expect = { 7555 .raw_types = { 7556 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7557 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ 7558 BTF_END_RAW, 7559 }, 7560 BTF_STR_SEC("\0foo"), 7561 }, 7562}, 7563{ 7564 .descr = "dedup: typedef tags", 7565 .input = { 7566 .raw_types = { 7567 /* int */ 7568 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7569 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ 7570 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [3] */ 7571 /* tag -> t: tag1, tag2 */ 7572 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [4] */ 7573 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [5] */ 7574 /* tag -> t: tag1, tag3 */ 7575 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [6] */ 7576 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [7] */ 7577 BTF_END_RAW, 7578 }, 7579 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"), 7580 }, 7581 .expect = { 7582 .raw_types = { 7583 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7584 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ 7585 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [3] */ 7586 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [4] */ 7587 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [5] */ 7588 BTF_END_RAW, 7589 }, 7590 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"), 7591 }, 7592}, 7593{ 7594 .descr = "dedup: btf_type_tag #1", 7595 .input = { 7596 .raw_types = { 7597 /* ptr -> tag2 -> tag1 -> int */ 7598 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7599 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7600 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7601 BTF_PTR_ENC(3), /* [4] */ 7602 /* ptr -> tag2 -> tag1 -> int */ 7603 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [5] */ 7604 BTF_TYPE_TAG_ENC(NAME_NTH(2), 5), /* [6] */ 7605 BTF_PTR_ENC(6), /* [7] */ 7606 /* ptr -> tag1 -> int */ 7607 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [8] */ 7608 BTF_PTR_ENC(8), /* [9] */ 7609 BTF_END_RAW, 7610 }, 7611 BTF_STR_SEC("\0tag1\0tag2"), 7612 }, 7613 .expect = { 7614 .raw_types = { 7615 /* ptr -> tag2 -> tag1 -> int */ 7616 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7617 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7618 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7619 BTF_PTR_ENC(3), /* [4] */ 7620 /* ptr -> tag1 -> int */ 7621 BTF_PTR_ENC(2), /* [5] */ 7622 BTF_END_RAW, 7623 }, 7624 BTF_STR_SEC("\0tag1\0tag2"), 7625 }, 7626}, 7627{ 7628 .descr = "dedup: btf_type_tag #2", 7629 .input = { 7630 .raw_types = { 7631 /* ptr -> tag2 -> tag1 -> int */ 7632 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7633 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7634 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7635 BTF_PTR_ENC(3), /* [4] */ 7636 /* ptr -> tag2 -> int */ 7637 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7638 BTF_PTR_ENC(5), /* [6] */ 7639 BTF_END_RAW, 7640 }, 7641 BTF_STR_SEC("\0tag1\0tag2"), 7642 }, 7643 .expect = { 7644 .raw_types = { 7645 /* ptr -> tag2 -> tag1 -> int */ 7646 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7647 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7648 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7649 BTF_PTR_ENC(3), /* [4] */ 7650 /* ptr -> tag2 -> int */ 7651 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7652 BTF_PTR_ENC(5), /* [6] */ 7653 BTF_END_RAW, 7654 }, 7655 BTF_STR_SEC("\0tag1\0tag2"), 7656 }, 7657}, 7658{ 7659 .descr = "dedup: btf_type_tag #3", 7660 .input = { 7661 .raw_types = { 7662 /* ptr -> tag2 -> tag1 -> int */ 7663 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7664 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7665 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7666 BTF_PTR_ENC(3), /* [4] */ 7667 /* ptr -> tag1 -> tag2 -> int */ 7668 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7669 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ 7670 BTF_PTR_ENC(6), /* [7] */ 7671 BTF_END_RAW, 7672 }, 7673 BTF_STR_SEC("\0tag1\0tag2"), 7674 }, 7675 .expect = { 7676 .raw_types = { 7677 /* ptr -> tag2 -> tag1 -> int */ 7678 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7679 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7680 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7681 BTF_PTR_ENC(3), /* [4] */ 7682 /* ptr -> tag1 -> tag2 -> int */ 7683 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7684 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ 7685 BTF_PTR_ENC(6), /* [7] */ 7686 BTF_END_RAW, 7687 }, 7688 BTF_STR_SEC("\0tag1\0tag2"), 7689 }, 7690}, 7691{ 7692 .descr = "dedup: btf_type_tag #4", 7693 .input = { 7694 .raw_types = { 7695 /* ptr -> tag1 -> int */ 7696 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7697 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7698 BTF_PTR_ENC(2), /* [3] */ 7699 /* ptr -> tag1 -> long */ 7700 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ 7701 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ 7702 BTF_PTR_ENC(5), /* [6] */ 7703 BTF_END_RAW, 7704 }, 7705 BTF_STR_SEC("\0tag1"), 7706 }, 7707 .expect = { 7708 .raw_types = { 7709 /* ptr -> tag1 -> int */ 7710 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7711 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7712 BTF_PTR_ENC(2), /* [3] */ 7713 /* ptr -> tag1 -> long */ 7714 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ 7715 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ 7716 BTF_PTR_ENC(5), /* [6] */ 7717 BTF_END_RAW, 7718 }, 7719 BTF_STR_SEC("\0tag1"), 7720 }, 7721}, 7722{ 7723 .descr = "dedup: btf_type_tag #5, struct", 7724 .input = { 7725 .raw_types = { 7726 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7727 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7728 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ 7729 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), 7730 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [4] */ 7731 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [5] */ 7732 BTF_MEMBER_ENC(NAME_NTH(3), 4, BTF_MEMBER_OFFSET(0, 0)), 7733 BTF_END_RAW, 7734 }, 7735 BTF_STR_SEC("\0tag1\0t\0m"), 7736 }, 7737 .expect = { 7738 .raw_types = { 7739 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7740 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7741 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ 7742 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), 7743 BTF_END_RAW, 7744 }, 7745 BTF_STR_SEC("\0tag1\0t\0m"), 7746 }, 7747}, 7748{ 7749 .descr = "dedup: enum64, standalone", 7750 .input = { 7751 .raw_types = { 7752 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7753 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7754 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7755 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7756 BTF_END_RAW, 7757 }, 7758 BTF_STR_SEC("\0e1\0e1_val"), 7759 }, 7760 .expect = { 7761 .raw_types = { 7762 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7763 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7764 BTF_END_RAW, 7765 }, 7766 BTF_STR_SEC("\0e1\0e1_val"), 7767 }, 7768}, 7769{ 7770 .descr = "dedup: enum64, fwd resolution", 7771 .input = { 7772 .raw_types = { 7773 /* [1] fwd enum64 'e1' before full enum */ 7774 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8), 7775 /* [2] full enum64 'e1' after fwd */ 7776 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7777 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7778 /* [3] full enum64 'e2' before fwd */ 7779 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7780 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456), 7781 /* [4] fwd enum64 'e2' after full enum */ 7782 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8), 7783 /* [5] incompatible full enum64 with different value */ 7784 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7785 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321), 7786 BTF_END_RAW, 7787 }, 7788 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7789 }, 7790 .expect = { 7791 .raw_types = { 7792 /* [1] full enum64 'e1' */ 7793 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7794 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7795 /* [2] full enum64 'e2' */ 7796 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7797 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456), 7798 /* [3] incompatible full enum64 with different value */ 7799 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7800 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321), 7801 BTF_END_RAW, 7802 }, 7803 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7804 }, 7805}, 7806{ 7807 .descr = "dedup: enum and enum64, no dedup", 7808 .input = { 7809 .raw_types = { 7810 /* [1] enum 'e1' */ 7811 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7812 BTF_ENUM_ENC(NAME_NTH(2), 1), 7813 /* [2] enum64 'e1' */ 7814 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4), 7815 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), 7816 BTF_END_RAW, 7817 }, 7818 BTF_STR_SEC("\0e1\0e1_val"), 7819 }, 7820 .expect = { 7821 .raw_types = { 7822 /* [1] enum 'e1' */ 7823 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7824 BTF_ENUM_ENC(NAME_NTH(2), 1), 7825 /* [2] enum64 'e1' */ 7826 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4), 7827 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), 7828 BTF_END_RAW, 7829 }, 7830 BTF_STR_SEC("\0e1\0e1_val"), 7831 }, 7832}, 7833{ 7834 .descr = "dedup: enum of different size: no dedup", 7835 .input = { 7836 .raw_types = { 7837 /* [1] enum 'e1' */ 7838 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7839 BTF_ENUM_ENC(NAME_NTH(2), 1), 7840 /* [2] enum 'e1' */ 7841 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2), 7842 BTF_ENUM_ENC(NAME_NTH(2), 1), 7843 BTF_END_RAW, 7844 }, 7845 BTF_STR_SEC("\0e1\0e1_val"), 7846 }, 7847 .expect = { 7848 .raw_types = { 7849 /* [1] enum 'e1' */ 7850 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7851 BTF_ENUM_ENC(NAME_NTH(2), 1), 7852 /* [2] enum 'e1' */ 7853 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2), 7854 BTF_ENUM_ENC(NAME_NTH(2), 1), 7855 BTF_END_RAW, 7856 }, 7857 BTF_STR_SEC("\0e1\0e1_val"), 7858 }, 7859}, 7860{ 7861 .descr = "dedup: enum fwd to enum64", 7862 .input = { 7863 .raw_types = { 7864 /* [1] enum64 'e1' */ 7865 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7866 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), 7867 /* [2] enum 'e1' fwd */ 7868 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), 7869 /* [3] typedef enum 'e1' td */ 7870 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2), 7871 BTF_END_RAW, 7872 }, 7873 BTF_STR_SEC("\0e1\0e1_val\0td"), 7874 }, 7875 .expect = { 7876 .raw_types = { 7877 /* [1] enum64 'e1' */ 7878 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7879 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), 7880 /* [2] typedef enum 'e1' td */ 7881 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1), 7882 BTF_END_RAW, 7883 }, 7884 BTF_STR_SEC("\0e1\0e1_val\0td"), 7885 }, 7886}, 7887{ 7888 .descr = "dedup: enum64 fwd to enum", 7889 .input = { 7890 .raw_types = { 7891 /* [1] enum 'e1' */ 7892 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7893 BTF_ENUM_ENC(NAME_NTH(2), 1), 7894 /* [2] enum64 'e1' fwd */ 7895 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8), 7896 /* [3] typedef enum 'e1' td */ 7897 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2), 7898 BTF_END_RAW, 7899 }, 7900 BTF_STR_SEC("\0e1\0e1_val\0td"), 7901 }, 7902 .expect = { 7903 .raw_types = { 7904 /* [1] enum 'e1' */ 7905 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7906 BTF_ENUM_ENC(NAME_NTH(2), 1), 7907 /* [2] typedef enum 'e1' td */ 7908 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1), 7909 BTF_END_RAW, 7910 }, 7911 BTF_STR_SEC("\0e1\0e1_val\0td"), 7912 }, 7913}, 7914{ 7915 .descr = "dedup: standalone fwd declaration struct", 7916 /* 7917 * Verify that CU1:foo and CU2:foo would be unified and that 7918 * typedef/ptr would be updated to point to CU1:foo. 7919 * 7920 * // CU 1: 7921 * struct foo { int x; }; 7922 * 7923 * // CU 2: 7924 * struct foo; 7925 * typedef struct foo *foo_ptr; 7926 */ 7927 .input = { 7928 .raw_types = { 7929 /* CU 1 */ 7930 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7931 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7932 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7933 /* CU 2 */ 7934 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */ 7935 BTF_PTR_ENC(3), /* [4] */ 7936 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ 7937 BTF_END_RAW, 7938 }, 7939 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 7940 }, 7941 .expect = { 7942 .raw_types = { 7943 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7944 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7945 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7946 BTF_PTR_ENC(1), /* [3] */ 7947 BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */ 7948 BTF_END_RAW, 7949 }, 7950 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 7951 }, 7952}, 7953{ 7954 .descr = "dedup: standalone fwd declaration union", 7955 /* 7956 * Verify that CU1:foo and CU2:foo would be unified and that 7957 * typedef/ptr would be updated to point to CU1:foo. 7958 * Same as "dedup: standalone fwd declaration struct" but for unions. 7959 * 7960 * // CU 1: 7961 * union foo { int x; }; 7962 * 7963 * // CU 2: 7964 * union foo; 7965 * typedef union foo *foo_ptr; 7966 */ 7967 .input = { 7968 .raw_types = { 7969 /* CU 1 */ 7970 BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7971 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7972 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7973 /* CU 2 */ 7974 BTF_FWD_ENC(NAME_TBD, 1), /* [3] */ 7975 BTF_PTR_ENC(3), /* [4] */ 7976 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ 7977 BTF_END_RAW, 7978 }, 7979 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 7980 }, 7981 .expect = { 7982 .raw_types = { 7983 BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7984 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7985 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7986 BTF_PTR_ENC(1), /* [3] */ 7987 BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */ 7988 BTF_END_RAW, 7989 }, 7990 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 7991 }, 7992}, 7993{ 7994 .descr = "dedup: standalone fwd declaration wrong kind", 7995 /* 7996 * Negative test for btf_dedup_resolve_fwds: 7997 * - CU1:foo is a struct, C2:foo is a union, thus CU2:foo is not deduped; 7998 * - typedef/ptr should remain unchanged as well. 7999 * 8000 * // CU 1: 8001 * struct foo { int x; }; 8002 * 8003 * // CU 2: 8004 * union foo; 8005 * typedef union foo *foo_ptr; 8006 */ 8007 .input = { 8008 .raw_types = { 8009 /* CU 1 */ 8010 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 8011 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 8012 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 8013 /* CU 2 */ 8014 BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */ 8015 BTF_PTR_ENC(3), /* [4] */ 8016 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ 8017 BTF_END_RAW, 8018 }, 8019 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 8020 }, 8021 .expect = { 8022 .raw_types = { 8023 /* CU 1 */ 8024 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 8025 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 8026 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 8027 /* CU 2 */ 8028 BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */ 8029 BTF_PTR_ENC(3), /* [4] */ 8030 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ 8031 BTF_END_RAW, 8032 }, 8033 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 8034 }, 8035}, 8036{ 8037 .descr = "dedup: standalone fwd declaration name conflict", 8038 /* 8039 * Negative test for btf_dedup_resolve_fwds: 8040 * - two candidates for CU2:foo dedup, thus it is unchanged; 8041 * - typedef/ptr should remain unchanged as well. 8042 * 8043 * // CU 1: 8044 * struct foo { int x; }; 8045 * 8046 * // CU 2: 8047 * struct foo; 8048 * typedef struct foo *foo_ptr; 8049 * 8050 * // CU 3: 8051 * struct foo { int x; int y; }; 8052 */ 8053 .input = { 8054 .raw_types = { 8055 /* CU 1 */ 8056 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 8057 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 8058 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 8059 /* CU 2 */ 8060 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */ 8061 BTF_PTR_ENC(3), /* [4] */ 8062 BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */ 8063 /* CU 3 */ 8064 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */ 8065 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 8066 BTF_MEMBER_ENC(NAME_NTH(3), 2, 0), 8067 BTF_END_RAW, 8068 }, 8069 BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"), 8070 }, 8071 .expect = { 8072 .raw_types = { 8073 /* CU 1 */ 8074 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 8075 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 8076 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 8077 /* CU 2 */ 8078 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */ 8079 BTF_PTR_ENC(3), /* [4] */ 8080 BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */ 8081 /* CU 3 */ 8082 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */ 8083 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 8084 BTF_MEMBER_ENC(NAME_NTH(3), 2, 0), 8085 BTF_END_RAW, 8086 }, 8087 BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"), 8088 }, 8089}, 8090}; 8091 8092static int btf_type_size(const struct btf_type *t) 8093{ 8094 int base_size = sizeof(struct btf_type); 8095 __u16 vlen = BTF_INFO_VLEN(t->info); 8096 __u16 kind = BTF_INFO_KIND(t->info); 8097 8098 switch (kind) { 8099 case BTF_KIND_FWD: 8100 case BTF_KIND_CONST: 8101 case BTF_KIND_VOLATILE: 8102 case BTF_KIND_RESTRICT: 8103 case BTF_KIND_PTR: 8104 case BTF_KIND_TYPEDEF: 8105 case BTF_KIND_FUNC: 8106 case BTF_KIND_FLOAT: 8107 case BTF_KIND_TYPE_TAG: 8108 return base_size; 8109 case BTF_KIND_INT: 8110 return base_size + sizeof(__u32); 8111 case BTF_KIND_ENUM: 8112 return base_size + vlen * sizeof(struct btf_enum); 8113 case BTF_KIND_ENUM64: 8114 return base_size + vlen * sizeof(struct btf_enum64); 8115 case BTF_KIND_ARRAY: 8116 return base_size + sizeof(struct btf_array); 8117 case BTF_KIND_STRUCT: 8118 case BTF_KIND_UNION: 8119 return base_size + vlen * sizeof(struct btf_member); 8120 case BTF_KIND_FUNC_PROTO: 8121 return base_size + vlen * sizeof(struct btf_param); 8122 case BTF_KIND_VAR: 8123 return base_size + sizeof(struct btf_var); 8124 case BTF_KIND_DATASEC: 8125 return base_size + vlen * sizeof(struct btf_var_secinfo); 8126 case BTF_KIND_DECL_TAG: 8127 return base_size + sizeof(struct btf_decl_tag); 8128 default: 8129 fprintf(stderr, "Unsupported BTF_KIND:%u\n", kind); 8130 return -EINVAL; 8131 } 8132} 8133 8134static void dump_btf_strings(const char *strs, __u32 len) 8135{ 8136 const char *cur = strs; 8137 int i = 0; 8138 8139 while (cur < strs + len) { 8140 fprintf(stderr, "string #%d: '%s'\n", i, cur); 8141 cur += strlen(cur) + 1; 8142 i++; 8143 } 8144} 8145 8146static void do_test_dedup(unsigned int test_num) 8147{ 8148 struct btf_dedup_test *test = &dedup_tests[test_num - 1]; 8149 __u32 test_nr_types, expect_nr_types, test_btf_size, expect_btf_size; 8150 const struct btf_header *test_hdr, *expect_hdr; 8151 struct btf *test_btf = NULL, *expect_btf = NULL; 8152 const void *test_btf_data, *expect_btf_data; 8153 const char *ret_test_next_str, *ret_expect_next_str; 8154 const char *test_strs, *expect_strs; 8155 const char *test_str_cur; 8156 const char *expect_str_cur, *expect_str_end; 8157 unsigned int raw_btf_size; 8158 void *raw_btf; 8159 int err = 0, i; 8160 8161 if (!test__start_subtest(test->descr)) 8162 return; 8163 8164 raw_btf = btf_raw_create(&hdr_tmpl, test->input.raw_types, 8165 test->input.str_sec, test->input.str_sec_size, 8166 &raw_btf_size, &ret_test_next_str); 8167 if (!raw_btf) 8168 return; 8169 8170 test_btf = btf__new((__u8 *)raw_btf, raw_btf_size); 8171 err = libbpf_get_error(test_btf); 8172 free(raw_btf); 8173 if (CHECK(err, "invalid test_btf errno:%d", err)) { 8174 err = -1; 8175 goto done; 8176 } 8177 8178 raw_btf = btf_raw_create(&hdr_tmpl, test->expect.raw_types, 8179 test->expect.str_sec, 8180 test->expect.str_sec_size, 8181 &raw_btf_size, &ret_expect_next_str); 8182 if (!raw_btf) 8183 return; 8184 expect_btf = btf__new((__u8 *)raw_btf, raw_btf_size); 8185 err = libbpf_get_error(expect_btf); 8186 free(raw_btf); 8187 if (CHECK(err, "invalid expect_btf errno:%d", err)) { 8188 err = -1; 8189 goto done; 8190 } 8191 8192 test->opts.sz = sizeof(test->opts); 8193 err = btf__dedup(test_btf, &test->opts); 8194 if (CHECK(err, "btf_dedup failed errno:%d", err)) { 8195 err = -1; 8196 goto done; 8197 } 8198 8199 test_btf_data = btf__raw_data(test_btf, &test_btf_size); 8200 expect_btf_data = btf__raw_data(expect_btf, &expect_btf_size); 8201 if (CHECK(test_btf_size != expect_btf_size, 8202 "test_btf_size:%u != expect_btf_size:%u", 8203 test_btf_size, expect_btf_size)) { 8204 err = -1; 8205 goto done; 8206 } 8207 8208 test_hdr = test_btf_data; 8209 test_strs = test_btf_data + sizeof(*test_hdr) + test_hdr->str_off; 8210 expect_hdr = expect_btf_data; 8211 expect_strs = expect_btf_data + sizeof(*test_hdr) + expect_hdr->str_off; 8212 if (CHECK(test_hdr->str_len != expect_hdr->str_len, 8213 "test_hdr->str_len:%u != expect_hdr->str_len:%u", 8214 test_hdr->str_len, expect_hdr->str_len)) { 8215 fprintf(stderr, "\ntest strings:\n"); 8216 dump_btf_strings(test_strs, test_hdr->str_len); 8217 fprintf(stderr, "\nexpected strings:\n"); 8218 dump_btf_strings(expect_strs, expect_hdr->str_len); 8219 err = -1; 8220 goto done; 8221 } 8222 8223 expect_str_cur = expect_strs; 8224 expect_str_end = expect_strs + expect_hdr->str_len; 8225 while (expect_str_cur < expect_str_end) { 8226 size_t test_len, expect_len; 8227 int off; 8228 8229 off = btf__find_str(test_btf, expect_str_cur); 8230 if (CHECK(off < 0, "exp str '%s' not found: %d\n", expect_str_cur, off)) { 8231 err = -1; 8232 goto done; 8233 } 8234 test_str_cur = btf__str_by_offset(test_btf, off); 8235 8236 test_len = strlen(test_str_cur); 8237 expect_len = strlen(expect_str_cur); 8238 if (CHECK(test_len != expect_len, 8239 "test_len:%zu != expect_len:%zu " 8240 "(test_str:%s, expect_str:%s)", 8241 test_len, expect_len, test_str_cur, expect_str_cur)) { 8242 err = -1; 8243 goto done; 8244 } 8245 if (CHECK(strcmp(test_str_cur, expect_str_cur), 8246 "test_str:%s != expect_str:%s", 8247 test_str_cur, expect_str_cur)) { 8248 err = -1; 8249 goto done; 8250 } 8251 expect_str_cur += expect_len + 1; 8252 } 8253 8254 test_nr_types = btf__type_cnt(test_btf); 8255 expect_nr_types = btf__type_cnt(expect_btf); 8256 if (CHECK(test_nr_types != expect_nr_types, 8257 "test_nr_types:%u != expect_nr_types:%u", 8258 test_nr_types, expect_nr_types)) { 8259 err = -1; 8260 goto done; 8261 } 8262 8263 for (i = 1; i < test_nr_types; i++) { 8264 const struct btf_type *test_type, *expect_type; 8265 int test_size, expect_size; 8266 8267 test_type = btf__type_by_id(test_btf, i); 8268 expect_type = btf__type_by_id(expect_btf, i); 8269 test_size = btf_type_size(test_type); 8270 expect_size = btf_type_size(expect_type); 8271 8272 if (CHECK(test_size != expect_size, 8273 "type #%d: test_size:%d != expect_size:%u", 8274 i, test_size, expect_size)) { 8275 err = -1; 8276 goto done; 8277 } 8278 if (CHECK(btf_kind(test_type) != btf_kind(expect_type), 8279 "type %d kind: exp %d != got %u\n", 8280 i, btf_kind(expect_type), btf_kind(test_type))) { 8281 err = -1; 8282 goto done; 8283 } 8284 if (CHECK(test_type->info != expect_type->info, 8285 "type %d info: exp %d != got %u\n", 8286 i, expect_type->info, test_type->info)) { 8287 err = -1; 8288 goto done; 8289 } 8290 if (CHECK(test_type->size != expect_type->size, 8291 "type %d size/type: exp %d != got %u\n", 8292 i, expect_type->size, test_type->size)) { 8293 err = -1; 8294 goto done; 8295 } 8296 } 8297 8298done: 8299 btf__free(test_btf); 8300 btf__free(expect_btf); 8301} 8302 8303void test_btf(void) 8304{ 8305 int i; 8306 8307 always_log = env.verbosity > VERBOSE_NONE; 8308 8309 for (i = 1; i <= ARRAY_SIZE(raw_tests); i++) 8310 do_test_raw(i); 8311 for (i = 1; i <= ARRAY_SIZE(get_info_tests); i++) 8312 do_test_get_info(i); 8313 for (i = 1; i <= ARRAY_SIZE(file_tests); i++) 8314 do_test_file(i); 8315 for (i = 1; i <= ARRAY_SIZE(info_raw_tests); i++) 8316 do_test_info_raw(i); 8317 for (i = 1; i <= ARRAY_SIZE(dedup_tests); i++) 8318 do_test_dedup(i); 8319 test_pprint(); 8320}
~/
Read-only file preview.