1/* SPDX-License-Identifier: GPL-2.0 */ 2/* Copyright (c) 2018 Facebook */ 3 4#include <linux/bpf.h> 5#include <linux/btf.h> 6#include <linux/err.h> 7#include <linux/kernel.h> 8#include <linux/filter.h> 9#include <linux/unistd.h> 10#include <bpf/bpf.h> 11#include <libelf.h> 12#include <gelf.h> 13#include <string.h> 14#include <stdlib.h> 15#include <stdio.h> 16#include <stdarg.h> 17#include <unistd.h> 18#include <fcntl.h> 19#include <errno.h> 20#include <assert.h> 21#include <bpf/libbpf.h> 22#include <bpf/btf.h> 23 24#include "bpf_util.h" 25#include "../test_btf.h" 26#include "test_progs.h" 27 28#define MAX_INSNS 512 29#define MAX_SUBPROGS 16 30 31static int duration = 0; 32static bool always_log; 33 34#undef CHECK 35#define CHECK(condition, format...) _CHECK(condition, "check", duration, format) 36 37#define NAME_TBD 0xdeadb33f 38 39#define NAME_NTH(N) (0xfffe0000 | N) 40#define IS_NAME_NTH(X) ((X & 0xffff0000) == 0xfffe0000) 41#define GET_NAME_NTH_IDX(X) (X & 0x0000ffff) 42 43#define MAX_NR_RAW_U32 1024 44#define BTF_LOG_BUF_SIZE 65535 45 46static char btf_log_buf[BTF_LOG_BUF_SIZE]; 47 48static struct btf_header hdr_tmpl = { 49 .magic = BTF_MAGIC, 50 .version = BTF_VERSION, 51 .hdr_len = sizeof(struct btf_header), 52}; 53 54/* several different mapv kinds(types) supported by pprint */ 55enum pprint_mapv_kind_t { 56 PPRINT_MAPV_KIND_BASIC = 0, 57 PPRINT_MAPV_KIND_INT128, 58}; 59 60struct btf_raw_test { 61 const char *descr; 62 const char *str_sec; 63 const char *map_name; 64 const char *err_str; 65 __u32 raw_types[MAX_NR_RAW_U32]; 66 __u32 str_sec_size; 67 enum bpf_map_type map_type; 68 __u32 key_size; 69 __u32 value_size; 70 __u32 key_type_id; 71 __u32 value_type_id; 72 __u32 max_entries; 73 bool btf_load_err; 74 bool map_create_err; 75 bool ordered_map; 76 bool lossless_map; 77 bool percpu_map; 78 int hdr_len_delta; 79 int type_off_delta; 80 int str_off_delta; 81 int str_len_delta; 82 enum pprint_mapv_kind_t mapv_kind; 83}; 84 85#define BTF_STR_SEC(str) \ 86 .str_sec = str, .str_sec_size = sizeof(str) 87 88static struct btf_raw_test raw_tests[] = { 89/* enum E { 90 * E0, 91 * E1, 92 * }; 93 * 94 * struct A { 95 * unsigned long long m; 96 * int n; 97 * char o; 98 * [3 bytes hole] 99 * int p[8]; 100 * int q[4][8]; 101 * enum E r; 102 * }; 103 */ 104{ 105 .descr = "struct test #1", 106 .raw_types = { 107 /* int */ 108 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 109 /* unsigned long long */ 110 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 111 /* char */ 112 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 113 /* int[8] */ 114 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 115 /* struct A { */ /* [5] */ 116 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 6), 180), 117 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 118 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 119 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 120 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 121 BTF_MEMBER_ENC(NAME_TBD, 6, 384),/* int q[4][8] */ 122 BTF_MEMBER_ENC(NAME_TBD, 7, 1408), /* enum E r */ 123 /* } */ 124 /* int[4][8] */ 125 BTF_TYPE_ARRAY_ENC(4, 1, 4), /* [6] */ 126 /* enum E */ /* [7] */ 127 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)), 128 BTF_ENUM_ENC(NAME_TBD, 0), 129 BTF_ENUM_ENC(NAME_TBD, 1), 130 BTF_END_RAW, 131 }, 132 .str_sec = "\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1", 133 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0q\0r\0E\0E0\0E1"), 134 .map_type = BPF_MAP_TYPE_ARRAY, 135 .map_name = "struct_test1_map", 136 .key_size = sizeof(int), 137 .value_size = 180, 138 .key_type_id = 1, 139 .value_type_id = 5, 140 .max_entries = 4, 141}, 142 143/* typedef struct b Struct_B; 144 * 145 * struct A { 146 * int m; 147 * struct b n[4]; 148 * const Struct_B o[4]; 149 * }; 150 * 151 * struct B { 152 * int m; 153 * int n; 154 * }; 155 */ 156{ 157 .descr = "struct test #2", 158 .raw_types = { 159 /* int */ /* [1] */ 160 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 161 /* struct b [4] */ /* [2] */ 162 BTF_TYPE_ARRAY_ENC(4, 1, 4), 163 164 /* struct A { */ /* [3] */ 165 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 3), 68), 166 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 167 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct B n[4] */ 168 BTF_MEMBER_ENC(NAME_TBD, 8, 288),/* const Struct_B o[4];*/ 169 /* } */ 170 171 /* struct B { */ /* [4] */ 172 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), 173 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 174 BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */ 175 /* } */ 176 177 /* const int */ /* [5] */ 178 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), 179 /* typedef struct b Struct_B */ /* [6] */ 180 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 4), 181 /* const Struct_B */ /* [7] */ 182 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 6), 183 /* const Struct_B [4] */ /* [8] */ 184 BTF_TYPE_ARRAY_ENC(7, 1, 4), 185 BTF_END_RAW, 186 }, 187 .str_sec = "\0A\0m\0n\0o\0B\0m\0n\0Struct_B", 188 .str_sec_size = sizeof("\0A\0m\0n\0o\0B\0m\0n\0Struct_B"), 189 .map_type = BPF_MAP_TYPE_ARRAY, 190 .map_name = "struct_test2_map", 191 .key_size = sizeof(int), 192 .value_size = 68, 193 .key_type_id = 1, 194 .value_type_id = 3, 195 .max_entries = 4, 196}, 197{ 198 .descr = "struct test #3 Invalid member offset", 199 .raw_types = { 200 /* int */ /* [1] */ 201 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 202 /* int64 */ /* [2] */ 203 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), 204 205 /* struct A { */ /* [3] */ 206 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 16), 207 BTF_MEMBER_ENC(NAME_TBD, 1, 64), /* int m; */ 208 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* int64 n; */ 209 /* } */ 210 BTF_END_RAW, 211 }, 212 .str_sec = "\0A\0m\0n\0", 213 .str_sec_size = sizeof("\0A\0m\0n\0"), 214 .map_type = BPF_MAP_TYPE_ARRAY, 215 .map_name = "struct_test3_map", 216 .key_size = sizeof(int), 217 .value_size = 16, 218 .key_type_id = 1, 219 .value_type_id = 3, 220 .max_entries = 4, 221 .btf_load_err = true, 222 .err_str = "Invalid member bits_offset", 223}, 224/* 225 * struct A { 226 * unsigned long long m; 227 * int n; 228 * char o; 229 * [3 bytes hole] 230 * int p[8]; 231 * }; 232 */ 233{ 234 .descr = "global data test #1", 235 .raw_types = { 236 /* int */ 237 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 238 /* unsigned long long */ 239 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 240 /* char */ 241 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 242 /* int[8] */ 243 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 244 /* struct A { */ /* [5] */ 245 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 246 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 247 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 248 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 249 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 250 /* } */ 251 BTF_END_RAW, 252 }, 253 .str_sec = "\0A\0m\0n\0o\0p", 254 .str_sec_size = sizeof("\0A\0m\0n\0o\0p"), 255 .map_type = BPF_MAP_TYPE_ARRAY, 256 .map_name = "struct_test1_map", 257 .key_size = sizeof(int), 258 .value_size = 48, 259 .key_type_id = 1, 260 .value_type_id = 5, 261 .max_entries = 4, 262}, 263/* 264 * struct A { 265 * unsigned long long m; 266 * int n; 267 * char o; 268 * [3 bytes hole] 269 * int p[8]; 270 * }; 271 * static struct A t; <- in .bss 272 */ 273{ 274 .descr = "global data test #2", 275 .raw_types = { 276 /* int */ 277 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 278 /* unsigned long long */ 279 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 280 /* char */ 281 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 282 /* int[8] */ 283 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 284 /* struct A { */ /* [5] */ 285 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 286 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 287 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 288 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 289 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 290 /* } */ 291 /* static struct A t */ 292 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 293 /* .bss section */ /* [7] */ 294 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48), 295 BTF_VAR_SECINFO_ENC(6, 0, 48), 296 BTF_END_RAW, 297 }, 298 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", 299 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), 300 .map_type = BPF_MAP_TYPE_ARRAY, 301 .map_name = ".bss", 302 .key_size = sizeof(int), 303 .value_size = 48, 304 .key_type_id = 0, 305 .value_type_id = 7, 306 .max_entries = 1, 307}, 308{ 309 .descr = "global data test #3", 310 .raw_types = { 311 /* int */ 312 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 313 /* static int t */ 314 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 315 /* .bss section */ /* [3] */ 316 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 317 BTF_VAR_SECINFO_ENC(2, 0, 4), 318 BTF_END_RAW, 319 }, 320 .str_sec = "\0t\0.bss", 321 .str_sec_size = sizeof("\0t\0.bss"), 322 .map_type = BPF_MAP_TYPE_ARRAY, 323 .map_name = ".bss", 324 .key_size = sizeof(int), 325 .value_size = 4, 326 .key_type_id = 0, 327 .value_type_id = 3, 328 .max_entries = 1, 329}, 330{ 331 .descr = "global data test #4, unsupported linkage", 332 .raw_types = { 333 /* int */ 334 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 335 /* static int t */ 336 BTF_VAR_ENC(NAME_TBD, 1, 2), /* [2] */ 337 /* .bss section */ /* [3] */ 338 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 339 BTF_VAR_SECINFO_ENC(2, 0, 4), 340 BTF_END_RAW, 341 }, 342 .str_sec = "\0t\0.bss", 343 .str_sec_size = sizeof("\0t\0.bss"), 344 .map_type = BPF_MAP_TYPE_ARRAY, 345 .map_name = ".bss", 346 .key_size = sizeof(int), 347 .value_size = 4, 348 .key_type_id = 0, 349 .value_type_id = 3, 350 .max_entries = 1, 351 .btf_load_err = true, 352 .err_str = "Linkage not supported", 353}, 354{ 355 .descr = "global data test #5, invalid var type", 356 .raw_types = { 357 /* static void t */ 358 BTF_VAR_ENC(NAME_TBD, 0, 0), /* [1] */ 359 /* .bss section */ /* [2] */ 360 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 361 BTF_VAR_SECINFO_ENC(1, 0, 4), 362 BTF_END_RAW, 363 }, 364 .str_sec = "\0t\0.bss", 365 .str_sec_size = sizeof("\0t\0.bss"), 366 .map_type = BPF_MAP_TYPE_ARRAY, 367 .map_name = ".bss", 368 .key_size = sizeof(int), 369 .value_size = 4, 370 .key_type_id = 0, 371 .value_type_id = 2, 372 .max_entries = 1, 373 .btf_load_err = true, 374 .err_str = "Invalid type_id", 375}, 376{ 377 .descr = "global data test #6, invalid var type (fwd type)", 378 .raw_types = { 379 /* union A */ 380 BTF_TYPE_ENC(NAME_TBD, 381 BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */ 382 /* static union A t */ 383 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 384 /* .bss section */ /* [3] */ 385 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 386 BTF_VAR_SECINFO_ENC(2, 0, 4), 387 BTF_END_RAW, 388 }, 389 .str_sec = "\0A\0t\0.bss", 390 .str_sec_size = sizeof("\0A\0t\0.bss"), 391 .map_type = BPF_MAP_TYPE_ARRAY, 392 .map_name = ".bss", 393 .key_size = sizeof(int), 394 .value_size = 4, 395 .key_type_id = 0, 396 .value_type_id = 2, 397 .max_entries = 1, 398 .btf_load_err = true, 399 .err_str = "Invalid type", 400}, 401{ 402 .descr = "global data test #7, invalid var type (fwd type)", 403 .raw_types = { 404 /* union A */ 405 BTF_TYPE_ENC(NAME_TBD, 406 BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */ 407 /* static union A t */ 408 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 409 /* .bss section */ /* [3] */ 410 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 411 BTF_VAR_SECINFO_ENC(1, 0, 4), 412 BTF_END_RAW, 413 }, 414 .str_sec = "\0A\0t\0.bss", 415 .str_sec_size = sizeof("\0A\0t\0.bss"), 416 .map_type = BPF_MAP_TYPE_ARRAY, 417 .map_name = ".bss", 418 .key_size = sizeof(int), 419 .value_size = 4, 420 .key_type_id = 0, 421 .value_type_id = 2, 422 .max_entries = 1, 423 .btf_load_err = true, 424 .err_str = "Invalid type", 425}, 426{ 427 .descr = "global data test #8, invalid var size", 428 .raw_types = { 429 /* int */ 430 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 431 /* unsigned long long */ 432 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 433 /* char */ 434 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 435 /* int[8] */ 436 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 437 /* struct A { */ /* [5] */ 438 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 439 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 440 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 441 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 442 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 443 /* } */ 444 /* static struct A t */ 445 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 446 /* .bss section */ /* [7] */ 447 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 48), 448 BTF_VAR_SECINFO_ENC(6, 0, 47), 449 BTF_END_RAW, 450 }, 451 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", 452 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), 453 .map_type = BPF_MAP_TYPE_ARRAY, 454 .map_name = ".bss", 455 .key_size = sizeof(int), 456 .value_size = 48, 457 .key_type_id = 0, 458 .value_type_id = 7, 459 .max_entries = 1, 460 .btf_load_err = true, 461 .err_str = "Invalid size", 462}, 463{ 464 .descr = "global data test #9, invalid var size", 465 .raw_types = { 466 /* int */ 467 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 468 /* unsigned long long */ 469 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 470 /* char */ 471 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 472 /* int[8] */ 473 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 474 /* struct A { */ /* [5] */ 475 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 476 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 477 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 478 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 479 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 480 /* } */ 481 /* static struct A t */ 482 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 483 /* .bss section */ /* [7] */ 484 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46), 485 BTF_VAR_SECINFO_ENC(6, 0, 48), 486 BTF_END_RAW, 487 }, 488 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", 489 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), 490 .map_type = BPF_MAP_TYPE_ARRAY, 491 .map_name = ".bss", 492 .key_size = sizeof(int), 493 .value_size = 48, 494 .key_type_id = 0, 495 .value_type_id = 7, 496 .max_entries = 1, 497 .btf_load_err = true, 498 .err_str = "Invalid size", 499}, 500{ 501 .descr = "global data test #10, invalid var size", 502 .raw_types = { 503 /* int */ 504 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 505 /* unsigned long long */ 506 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 507 /* char */ 508 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 509 /* int[8] */ 510 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 511 /* struct A { */ /* [5] */ 512 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 513 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 514 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 515 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 516 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 517 /* } */ 518 /* static struct A t */ 519 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 520 /* .bss section */ /* [7] */ 521 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 46), 522 BTF_VAR_SECINFO_ENC(6, 0, 46), 523 BTF_END_RAW, 524 }, 525 .str_sec = "\0A\0m\0n\0o\0p\0t\0.bss", 526 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0.bss"), 527 .map_type = BPF_MAP_TYPE_ARRAY, 528 .map_name = ".bss", 529 .key_size = sizeof(int), 530 .value_size = 48, 531 .key_type_id = 0, 532 .value_type_id = 7, 533 .max_entries = 1, 534 .btf_load_err = true, 535 .err_str = "Invalid size", 536}, 537{ 538 .descr = "global data test #11, multiple section members", 539 .raw_types = { 540 /* int */ 541 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 542 /* unsigned long long */ 543 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 544 /* char */ 545 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 546 /* int[8] */ 547 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 548 /* struct A { */ /* [5] */ 549 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 550 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 551 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 552 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 553 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 554 /* } */ 555 /* static struct A t */ 556 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 557 /* static int u */ 558 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ 559 /* .bss section */ /* [8] */ 560 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), 561 BTF_VAR_SECINFO_ENC(6, 10, 48), 562 BTF_VAR_SECINFO_ENC(7, 58, 4), 563 BTF_END_RAW, 564 }, 565 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", 566 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), 567 .map_type = BPF_MAP_TYPE_ARRAY, 568 .map_name = ".bss", 569 .key_size = sizeof(int), 570 .value_size = 62, 571 .key_type_id = 0, 572 .value_type_id = 8, 573 .max_entries = 1, 574}, 575{ 576 .descr = "global data test #12, invalid offset", 577 .raw_types = { 578 /* int */ 579 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 580 /* unsigned long long */ 581 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 582 /* char */ 583 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 584 /* int[8] */ 585 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 586 /* struct A { */ /* [5] */ 587 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 588 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 589 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 590 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 591 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 592 /* } */ 593 /* static struct A t */ 594 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 595 /* static int u */ 596 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ 597 /* .bss section */ /* [8] */ 598 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), 599 BTF_VAR_SECINFO_ENC(6, 10, 48), 600 BTF_VAR_SECINFO_ENC(7, 60, 4), 601 BTF_END_RAW, 602 }, 603 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", 604 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), 605 .map_type = BPF_MAP_TYPE_ARRAY, 606 .map_name = ".bss", 607 .key_size = sizeof(int), 608 .value_size = 62, 609 .key_type_id = 0, 610 .value_type_id = 8, 611 .max_entries = 1, 612 .btf_load_err = true, 613 .err_str = "Invalid offset+size", 614}, 615{ 616 .descr = "global data test #13, invalid offset", 617 .raw_types = { 618 /* int */ 619 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 620 /* unsigned long long */ 621 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 622 /* char */ 623 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 624 /* int[8] */ 625 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 626 /* struct A { */ /* [5] */ 627 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 628 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 629 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 630 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 631 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 632 /* } */ 633 /* static struct A t */ 634 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 635 /* static int u */ 636 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ 637 /* .bss section */ /* [8] */ 638 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), 639 BTF_VAR_SECINFO_ENC(6, 10, 48), 640 BTF_VAR_SECINFO_ENC(7, 12, 4), 641 BTF_END_RAW, 642 }, 643 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", 644 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), 645 .map_type = BPF_MAP_TYPE_ARRAY, 646 .map_name = ".bss", 647 .key_size = sizeof(int), 648 .value_size = 62, 649 .key_type_id = 0, 650 .value_type_id = 8, 651 .max_entries = 1, 652 .btf_load_err = true, 653 .err_str = "Invalid offset", 654}, 655{ 656 .descr = "global data test #14, invalid offset", 657 .raw_types = { 658 /* int */ 659 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 660 /* unsigned long long */ 661 BTF_TYPE_INT_ENC(0, 0, 0, 64, 8), /* [2] */ 662 /* char */ 663 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), /* [3] */ 664 /* int[8] */ 665 BTF_TYPE_ARRAY_ENC(1, 1, 8), /* [4] */ 666 /* struct A { */ /* [5] */ 667 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 4), 48), 668 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* unsigned long long m;*/ 669 BTF_MEMBER_ENC(NAME_TBD, 1, 64),/* int n; */ 670 BTF_MEMBER_ENC(NAME_TBD, 3, 96),/* char o; */ 671 BTF_MEMBER_ENC(NAME_TBD, 4, 128),/* int p[8] */ 672 /* } */ 673 /* static struct A t */ 674 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 675 /* static int u */ 676 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [7] */ 677 /* .bss section */ /* [8] */ 678 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 62), 679 BTF_VAR_SECINFO_ENC(7, 58, 4), 680 BTF_VAR_SECINFO_ENC(6, 10, 48), 681 BTF_END_RAW, 682 }, 683 .str_sec = "\0A\0m\0n\0o\0p\0t\0u\0.bss", 684 .str_sec_size = sizeof("\0A\0m\0n\0o\0p\0t\0u\0.bss"), 685 .map_type = BPF_MAP_TYPE_ARRAY, 686 .map_name = ".bss", 687 .key_size = sizeof(int), 688 .value_size = 62, 689 .key_type_id = 0, 690 .value_type_id = 8, 691 .max_entries = 1, 692 .btf_load_err = true, 693 .err_str = "Invalid offset", 694}, 695{ 696 .descr = "global data test #15, not var kind", 697 .raw_types = { 698 /* int */ 699 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 700 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 701 /* .bss section */ /* [3] */ 702 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 703 BTF_VAR_SECINFO_ENC(1, 0, 4), 704 BTF_END_RAW, 705 }, 706 .str_sec = "\0A\0t\0.bss", 707 .str_sec_size = sizeof("\0A\0t\0.bss"), 708 .map_type = BPF_MAP_TYPE_ARRAY, 709 .map_name = ".bss", 710 .key_size = sizeof(int), 711 .value_size = 4, 712 .key_type_id = 0, 713 .value_type_id = 3, 714 .max_entries = 1, 715 .btf_load_err = true, 716 .err_str = "Not a VAR kind member", 717}, 718{ 719 .descr = "global data test #16, invalid var referencing sec", 720 .raw_types = { 721 /* int */ 722 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 723 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [2] */ 724 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [3] */ 725 /* a section */ /* [4] */ 726 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 727 BTF_VAR_SECINFO_ENC(3, 0, 4), 728 /* a section */ /* [5] */ 729 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 730 BTF_VAR_SECINFO_ENC(6, 0, 4), 731 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [6] */ 732 BTF_END_RAW, 733 }, 734 .str_sec = "\0A\0t\0s\0a\0a", 735 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 736 .map_type = BPF_MAP_TYPE_ARRAY, 737 .map_name = ".bss", 738 .key_size = sizeof(int), 739 .value_size = 4, 740 .key_type_id = 0, 741 .value_type_id = 4, 742 .max_entries = 1, 743 .btf_load_err = true, 744 .err_str = "Invalid type_id", 745}, 746{ 747 .descr = "global data test #17, invalid var referencing var", 748 .raw_types = { 749 /* int */ 750 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 751 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 752 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [3] */ 753 /* a section */ /* [4] */ 754 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 755 BTF_VAR_SECINFO_ENC(3, 0, 4), 756 BTF_END_RAW, 757 }, 758 .str_sec = "\0A\0t\0s\0a\0a", 759 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 760 .map_type = BPF_MAP_TYPE_ARRAY, 761 .map_name = ".bss", 762 .key_size = sizeof(int), 763 .value_size = 4, 764 .key_type_id = 0, 765 .value_type_id = 4, 766 .max_entries = 1, 767 .btf_load_err = true, 768 .err_str = "Invalid type_id", 769}, 770{ 771 .descr = "global data test #18, invalid var loop", 772 .raw_types = { 773 /* int */ 774 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 775 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [2] */ 776 /* .bss section */ /* [3] */ 777 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 778 BTF_VAR_SECINFO_ENC(2, 0, 4), 779 BTF_END_RAW, 780 }, 781 .str_sec = "\0A\0t\0aaa", 782 .str_sec_size = sizeof("\0A\0t\0aaa"), 783 .map_type = BPF_MAP_TYPE_ARRAY, 784 .map_name = ".bss", 785 .key_size = sizeof(int), 786 .value_size = 4, 787 .key_type_id = 0, 788 .value_type_id = 4, 789 .max_entries = 1, 790 .btf_load_err = true, 791 .err_str = "Invalid type_id", 792}, 793{ 794 .descr = "global data test #19, invalid var referencing var", 795 .raw_types = { 796 /* int */ 797 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 798 BTF_VAR_ENC(NAME_TBD, 3, 0), /* [2] */ 799 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ 800 BTF_END_RAW, 801 }, 802 .str_sec = "\0A\0t\0s\0a\0a", 803 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 804 .map_type = BPF_MAP_TYPE_ARRAY, 805 .map_name = ".bss", 806 .key_size = sizeof(int), 807 .value_size = 4, 808 .key_type_id = 0, 809 .value_type_id = 4, 810 .max_entries = 1, 811 .btf_load_err = true, 812 .err_str = "Invalid type_id", 813}, 814{ 815 .descr = "global data test #20, invalid ptr referencing var", 816 .raw_types = { 817 /* int */ 818 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 819 /* PTR type_id=3 */ /* [2] */ 820 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3), 821 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ 822 BTF_END_RAW, 823 }, 824 .str_sec = "\0A\0t\0s\0a\0a", 825 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 826 .map_type = BPF_MAP_TYPE_ARRAY, 827 .map_name = ".bss", 828 .key_size = sizeof(int), 829 .value_size = 4, 830 .key_type_id = 0, 831 .value_type_id = 4, 832 .max_entries = 1, 833 .btf_load_err = true, 834 .err_str = "Invalid type_id", 835}, 836{ 837 .descr = "global data test #21, var included in struct", 838 .raw_types = { 839 /* int */ 840 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 841 /* struct A { */ /* [2] */ 842 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2), 843 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 844 BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* VAR type_id=3; */ 845 /* } */ 846 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ 847 BTF_END_RAW, 848 }, 849 .str_sec = "\0A\0t\0s\0a\0a", 850 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 851 .map_type = BPF_MAP_TYPE_ARRAY, 852 .map_name = ".bss", 853 .key_size = sizeof(int), 854 .value_size = 4, 855 .key_type_id = 0, 856 .value_type_id = 4, 857 .max_entries = 1, 858 .btf_load_err = true, 859 .err_str = "Invalid member", 860}, 861{ 862 .descr = "global data test #22, array of var", 863 .raw_types = { 864 /* int */ 865 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 866 BTF_TYPE_ARRAY_ENC(3, 1, 4), /* [2] */ 867 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [3] */ 868 BTF_END_RAW, 869 }, 870 .str_sec = "\0A\0t\0s\0a\0a", 871 .str_sec_size = sizeof("\0A\0t\0s\0a\0a"), 872 .map_type = BPF_MAP_TYPE_ARRAY, 873 .map_name = ".bss", 874 .key_size = sizeof(int), 875 .value_size = 4, 876 .key_type_id = 0, 877 .value_type_id = 4, 878 .max_entries = 1, 879 .btf_load_err = true, 880 .err_str = "Invalid elem", 881}, 882{ 883 .descr = "var after datasec, ptr followed by modifier", 884 .raw_types = { 885 /* .bss section */ /* [1] */ 886 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 2), 887 sizeof(void*)+4), 888 BTF_VAR_SECINFO_ENC(4, 0, sizeof(void*)), 889 BTF_VAR_SECINFO_ENC(6, sizeof(void*), 4), 890 /* int */ /* [2] */ 891 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 892 /* int* */ /* [3] */ 893 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), 894 BTF_VAR_ENC(NAME_TBD, 3, 0), /* [4] */ 895 /* const int */ /* [5] */ 896 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), 897 BTF_VAR_ENC(NAME_TBD, 5, 0), /* [6] */ 898 BTF_END_RAW, 899 }, 900 .str_sec = "\0a\0b\0c\0", 901 .str_sec_size = sizeof("\0a\0b\0c\0"), 902 .map_type = BPF_MAP_TYPE_ARRAY, 903 .map_name = ".bss", 904 .key_size = sizeof(int), 905 .value_size = sizeof(void*)+4, 906 .key_type_id = 0, 907 .value_type_id = 1, 908 .max_entries = 1, 909}, 910/* Test member exceeds the size of struct. 911 * 912 * struct A { 913 * int m; 914 * int n; 915 * }; 916 */ 917{ 918 .descr = "size check test #1", 919 .raw_types = { 920 /* int */ /* [1] */ 921 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 922 /* struct A { */ /* [2] */ 923 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1), 924 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 925 BTF_MEMBER_ENC(NAME_TBD, 1, 32),/* int n; */ 926 /* } */ 927 BTF_END_RAW, 928 }, 929 .str_sec = "\0A\0m\0n", 930 .str_sec_size = sizeof("\0A\0m\0n"), 931 .map_type = BPF_MAP_TYPE_ARRAY, 932 .map_name = "size_check1_map", 933 .key_size = sizeof(int), 934 .value_size = 1, 935 .key_type_id = 1, 936 .value_type_id = 2, 937 .max_entries = 4, 938 .btf_load_err = true, 939 .err_str = "Member exceeds struct_size", 940}, 941 942/* Test member exceeds the size of struct 943 * 944 * struct A { 945 * int m; 946 * int n[2]; 947 * }; 948 */ 949{ 950 .descr = "size check test #2", 951 .raw_types = { 952 /* int */ /* [1] */ 953 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), 954 /* int[2] */ /* [2] */ 955 BTF_TYPE_ARRAY_ENC(1, 1, 2), 956 /* struct A { */ /* [3] */ 957 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 3 - 1), 958 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 959 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* int n[2]; */ 960 /* } */ 961 BTF_END_RAW, 962 }, 963 .str_sec = "\0A\0m\0n", 964 .str_sec_size = sizeof("\0A\0m\0n"), 965 .map_type = BPF_MAP_TYPE_ARRAY, 966 .map_name = "size_check2_map", 967 .key_size = sizeof(int), 968 .value_size = 1, 969 .key_type_id = 1, 970 .value_type_id = 3, 971 .max_entries = 4, 972 .btf_load_err = true, 973 .err_str = "Member exceeds struct_size", 974}, 975 976/* Test member exceeds the size of struct 977 * 978 * struct A { 979 * int m; 980 * void *n; 981 * }; 982 */ 983{ 984 .descr = "size check test #3", 985 .raw_types = { 986 /* int */ /* [1] */ 987 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), 988 /* void* */ /* [2] */ 989 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), 990 /* struct A { */ /* [3] */ 991 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) + sizeof(void *) - 1), 992 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 993 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* void *n; */ 994 /* } */ 995 BTF_END_RAW, 996 }, 997 .str_sec = "\0A\0m\0n", 998 .str_sec_size = sizeof("\0A\0m\0n"), 999 .map_type = BPF_MAP_TYPE_ARRAY, 1000 .map_name = "size_check3_map", 1001 .key_size = sizeof(int), 1002 .value_size = 1, 1003 .key_type_id = 1, 1004 .value_type_id = 3, 1005 .max_entries = 4, 1006 .btf_load_err = true, 1007 .err_str = "Member exceeds struct_size", 1008}, 1009 1010/* Test member exceeds the size of struct 1011 * 1012 * enum E { 1013 * E0, 1014 * E1, 1015 * }; 1016 * 1017 * struct A { 1018 * int m; 1019 * enum E n; 1020 * }; 1021 */ 1022{ 1023 .descr = "size check test #4", 1024 .raw_types = { 1025 /* int */ /* [1] */ 1026 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), 1027 /* enum E { */ /* [2] */ 1028 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), sizeof(int)), 1029 BTF_ENUM_ENC(NAME_TBD, 0), 1030 BTF_ENUM_ENC(NAME_TBD, 1), 1031 /* } */ 1032 /* struct A { */ /* [3] */ 1033 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), sizeof(int) * 2 - 1), 1034 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int m; */ 1035 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* enum E n; */ 1036 /* } */ 1037 BTF_END_RAW, 1038 }, 1039 .str_sec = "\0E\0E0\0E1\0A\0m\0n", 1040 .str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"), 1041 .map_type = BPF_MAP_TYPE_ARRAY, 1042 .map_name = "size_check4_map", 1043 .key_size = sizeof(int), 1044 .value_size = 1, 1045 .key_type_id = 1, 1046 .value_type_id = 3, 1047 .max_entries = 4, 1048 .btf_load_err = true, 1049 .err_str = "Member exceeds struct_size", 1050}, 1051 1052/* Test member unexceeds the size of struct 1053 * 1054 * enum E { 1055 * E0, 1056 * E1, 1057 * }; 1058 * 1059 * struct A { 1060 * char m; 1061 * enum E __attribute__((packed)) n; 1062 * }; 1063 */ 1064{ 1065 .descr = "size check test #5", 1066 .raw_types = { 1067 /* int */ /* [1] */ 1068 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, sizeof(int)), 1069 /* char */ /* [2] */ 1070 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 8, 1), 1071 /* enum E { */ /* [3] */ 1072 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 1), 1073 BTF_ENUM_ENC(NAME_TBD, 0), 1074 BTF_ENUM_ENC(NAME_TBD, 1), 1075 /* } */ 1076 /* struct A { */ /* [4] */ 1077 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 2), 1078 BTF_MEMBER_ENC(NAME_TBD, 2, 0), /* char m; */ 1079 BTF_MEMBER_ENC(NAME_TBD, 3, 8),/* enum E __attribute__((packed)) n; */ 1080 /* } */ 1081 BTF_END_RAW, 1082 }, 1083 .str_sec = "\0E\0E0\0E1\0A\0m\0n", 1084 .str_sec_size = sizeof("\0E\0E0\0E1\0A\0m\0n"), 1085 .map_type = BPF_MAP_TYPE_ARRAY, 1086 .map_name = "size_check5_map", 1087 .key_size = sizeof(int), 1088 .value_size = 2, 1089 .key_type_id = 1, 1090 .value_type_id = 4, 1091 .max_entries = 4, 1092}, 1093 1094/* typedef const void * const_void_ptr; 1095 * struct A { 1096 * const_void_ptr m; 1097 * }; 1098 */ 1099{ 1100 .descr = "void test #1", 1101 .raw_types = { 1102 /* int */ /* [1] */ 1103 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1104 /* const void */ /* [2] */ 1105 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1106 /* const void* */ /* [3] */ 1107 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), 1108 /* typedef const void * const_void_ptr */ 1109 BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [4] */ 1110 /* struct A { */ /* [5] */ 1111 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), 1112 /* const_void_ptr m; */ 1113 BTF_MEMBER_ENC(NAME_TBD, 4, 0), 1114 /* } */ 1115 BTF_END_RAW, 1116 }, 1117 .str_sec = "\0const_void_ptr\0A\0m", 1118 .str_sec_size = sizeof("\0const_void_ptr\0A\0m"), 1119 .map_type = BPF_MAP_TYPE_ARRAY, 1120 .map_name = "void_test1_map", 1121 .key_size = sizeof(int), 1122 .value_size = sizeof(void *), 1123 .key_type_id = 1, 1124 .value_type_id = 4, 1125 .max_entries = 4, 1126}, 1127 1128/* struct A { 1129 * const void m; 1130 * }; 1131 */ 1132{ 1133 .descr = "void test #2", 1134 .raw_types = { 1135 /* int */ /* [1] */ 1136 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1137 /* const void */ /* [2] */ 1138 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1139 /* struct A { */ /* [3] */ 1140 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 8), 1141 /* const void m; */ 1142 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 1143 /* } */ 1144 BTF_END_RAW, 1145 }, 1146 .str_sec = "\0A\0m", 1147 .str_sec_size = sizeof("\0A\0m"), 1148 .map_type = BPF_MAP_TYPE_ARRAY, 1149 .map_name = "void_test2_map", 1150 .key_size = sizeof(int), 1151 .value_size = sizeof(void *), 1152 .key_type_id = 1, 1153 .value_type_id = 3, 1154 .max_entries = 4, 1155 .btf_load_err = true, 1156 .err_str = "Invalid member", 1157}, 1158 1159/* typedef const void * const_void_ptr; 1160 * const_void_ptr[4] 1161 */ 1162{ 1163 .descr = "void test #3", 1164 .raw_types = { 1165 /* int */ /* [1] */ 1166 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1167 /* const void */ /* [2] */ 1168 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1169 /* const void* */ /* [3] */ 1170 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 2), 1171 /* typedef const void * const_void_ptr */ 1172 BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [4] */ 1173 /* const_void_ptr[4] */ 1174 BTF_TYPE_ARRAY_ENC(4, 1, 4), /* [5] */ 1175 BTF_END_RAW, 1176 }, 1177 .str_sec = "\0const_void_ptr", 1178 .str_sec_size = sizeof("\0const_void_ptr"), 1179 .map_type = BPF_MAP_TYPE_ARRAY, 1180 .map_name = "void_test3_map", 1181 .key_size = sizeof(int), 1182 .value_size = sizeof(void *) * 4, 1183 .key_type_id = 1, 1184 .value_type_id = 5, 1185 .max_entries = 4, 1186}, 1187 1188/* const void[4] */ 1189{ 1190 .descr = "void test #4", 1191 .raw_types = { 1192 /* int */ /* [1] */ 1193 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1194 /* const void */ /* [2] */ 1195 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1196 /* const void[4] */ /* [3] */ 1197 BTF_TYPE_ARRAY_ENC(2, 1, 4), 1198 BTF_END_RAW, 1199 }, 1200 .str_sec = "\0A\0m", 1201 .str_sec_size = sizeof("\0A\0m"), 1202 .map_type = BPF_MAP_TYPE_ARRAY, 1203 .map_name = "void_test4_map", 1204 .key_size = sizeof(int), 1205 .value_size = sizeof(void *) * 4, 1206 .key_type_id = 1, 1207 .value_type_id = 3, 1208 .max_entries = 4, 1209 .btf_load_err = true, 1210 .err_str = "Invalid elem", 1211}, 1212 1213/* Array_A <------------------+ 1214 * elem_type == Array_B | 1215 * | | 1216 * | | 1217 * Array_B <-------- + | 1218 * elem_type == Array A --+ 1219 */ 1220{ 1221 .descr = "loop test #1", 1222 .raw_types = { 1223 /* int */ /* [1] */ 1224 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1225 /* Array_A */ /* [2] */ 1226 BTF_TYPE_ARRAY_ENC(3, 1, 8), 1227 /* Array_B */ /* [3] */ 1228 BTF_TYPE_ARRAY_ENC(2, 1, 8), 1229 BTF_END_RAW, 1230 }, 1231 .str_sec = "", 1232 .str_sec_size = sizeof(""), 1233 .map_type = BPF_MAP_TYPE_ARRAY, 1234 .map_name = "loop_test1_map", 1235 .key_size = sizeof(int), 1236 .value_size = sizeof(sizeof(int) * 8), 1237 .key_type_id = 1, 1238 .value_type_id = 2, 1239 .max_entries = 4, 1240 .btf_load_err = true, 1241 .err_str = "Loop detected", 1242}, 1243 1244/* typedef is _before_ the BTF type of Array_A and Array_B 1245 * 1246 * typedef Array_B int_array; 1247 * 1248 * Array_A <------------------+ 1249 * elem_type == int_array | 1250 * | | 1251 * | | 1252 * Array_B <-------- + | 1253 * elem_type == Array_A --+ 1254 */ 1255{ 1256 .descr = "loop test #2", 1257 .raw_types = { 1258 /* int */ 1259 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 1260 /* typedef Array_B int_array */ 1261 BTF_TYPEDEF_ENC(1, 4), /* [2] */ 1262 /* Array_A */ 1263 BTF_TYPE_ARRAY_ENC(2, 1, 8), /* [3] */ 1264 /* Array_B */ 1265 BTF_TYPE_ARRAY_ENC(3, 1, 8), /* [4] */ 1266 BTF_END_RAW, 1267 }, 1268 .str_sec = "\0int_array\0", 1269 .str_sec_size = sizeof("\0int_array"), 1270 .map_type = BPF_MAP_TYPE_ARRAY, 1271 .map_name = "loop_test2_map", 1272 .key_size = sizeof(int), 1273 .value_size = sizeof(sizeof(int) * 8), 1274 .key_type_id = 1, 1275 .value_type_id = 2, 1276 .max_entries = 4, 1277 .btf_load_err = true, 1278 .err_str = "Loop detected", 1279}, 1280 1281/* Array_A <------------------+ 1282 * elem_type == Array_B | 1283 * | | 1284 * | | 1285 * Array_B <-------- + | 1286 * elem_type == Array_A --+ 1287 */ 1288{ 1289 .descr = "loop test #3", 1290 .raw_types = { 1291 /* int */ /* [1] */ 1292 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1293 /* Array_A */ /* [2] */ 1294 BTF_TYPE_ARRAY_ENC(3, 1, 8), 1295 /* Array_B */ /* [3] */ 1296 BTF_TYPE_ARRAY_ENC(2, 1, 8), 1297 BTF_END_RAW, 1298 }, 1299 .str_sec = "", 1300 .str_sec_size = sizeof(""), 1301 .map_type = BPF_MAP_TYPE_ARRAY, 1302 .map_name = "loop_test3_map", 1303 .key_size = sizeof(int), 1304 .value_size = sizeof(sizeof(int) * 8), 1305 .key_type_id = 1, 1306 .value_type_id = 2, 1307 .max_entries = 4, 1308 .btf_load_err = true, 1309 .err_str = "Loop detected", 1310}, 1311 1312/* typedef is _between_ the BTF type of Array_A and Array_B 1313 * 1314 * typedef Array_B int_array; 1315 * 1316 * Array_A <------------------+ 1317 * elem_type == int_array | 1318 * | | 1319 * | | 1320 * Array_B <-------- + | 1321 * elem_type == Array_A --+ 1322 */ 1323{ 1324 .descr = "loop test #4", 1325 .raw_types = { 1326 /* int */ /* [1] */ 1327 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1328 /* Array_A */ /* [2] */ 1329 BTF_TYPE_ARRAY_ENC(3, 1, 8), 1330 /* typedef Array_B int_array */ /* [3] */ 1331 BTF_TYPEDEF_ENC(NAME_TBD, 4), 1332 /* Array_B */ /* [4] */ 1333 BTF_TYPE_ARRAY_ENC(2, 1, 8), 1334 BTF_END_RAW, 1335 }, 1336 .str_sec = "\0int_array\0", 1337 .str_sec_size = sizeof("\0int_array"), 1338 .map_type = BPF_MAP_TYPE_ARRAY, 1339 .map_name = "loop_test4_map", 1340 .key_size = sizeof(int), 1341 .value_size = sizeof(sizeof(int) * 8), 1342 .key_type_id = 1, 1343 .value_type_id = 2, 1344 .max_entries = 4, 1345 .btf_load_err = true, 1346 .err_str = "Loop detected", 1347}, 1348 1349/* typedef struct B Struct_B 1350 * 1351 * struct A { 1352 * int x; 1353 * Struct_B y; 1354 * }; 1355 * 1356 * struct B { 1357 * int x; 1358 * struct A y; 1359 * }; 1360 */ 1361{ 1362 .descr = "loop test #5", 1363 .raw_types = { 1364 /* int */ 1365 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 1366 /* struct A */ /* [2] */ 1367 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), 1368 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ 1369 BTF_MEMBER_ENC(NAME_TBD, 3, 32),/* Struct_B y; */ 1370 /* typedef struct B Struct_B */ 1371 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ 1372 /* struct B */ /* [4] */ 1373 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), 1374 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ 1375 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A y; */ 1376 BTF_END_RAW, 1377 }, 1378 .str_sec = "\0A\0x\0y\0Struct_B\0B\0x\0y", 1379 .str_sec_size = sizeof("\0A\0x\0y\0Struct_B\0B\0x\0y"), 1380 .map_type = BPF_MAP_TYPE_ARRAY, 1381 .map_name = "loop_test5_map", 1382 .key_size = sizeof(int), 1383 .value_size = 8, 1384 .key_type_id = 1, 1385 .value_type_id = 2, 1386 .max_entries = 4, 1387 .btf_load_err = true, 1388 .err_str = "Loop detected", 1389}, 1390 1391/* struct A { 1392 * int x; 1393 * struct A array_a[4]; 1394 * }; 1395 */ 1396{ 1397 .descr = "loop test #6", 1398 .raw_types = { 1399 /* int */ 1400 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 1401 BTF_TYPE_ARRAY_ENC(3, 1, 4), /* [2] */ 1402 /* struct A */ /* [3] */ 1403 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 2), 8), 1404 BTF_MEMBER_ENC(NAME_TBD, 1, 0), /* int x; */ 1405 BTF_MEMBER_ENC(NAME_TBD, 2, 32),/* struct A array_a[4]; */ 1406 BTF_END_RAW, 1407 }, 1408 .str_sec = "\0A\0x\0y", 1409 .str_sec_size = sizeof("\0A\0x\0y"), 1410 .map_type = BPF_MAP_TYPE_ARRAY, 1411 .map_name = "loop_test6_map", 1412 .key_size = sizeof(int), 1413 .value_size = 8, 1414 .key_type_id = 1, 1415 .value_type_id = 2, 1416 .max_entries = 4, 1417 .btf_load_err = true, 1418 .err_str = "Loop detected", 1419}, 1420 1421{ 1422 .descr = "loop test #7", 1423 .raw_types = { 1424 /* int */ /* [1] */ 1425 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1426 /* struct A { */ /* [2] */ 1427 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), 1428 /* const void *m; */ 1429 BTF_MEMBER_ENC(NAME_TBD, 3, 0), 1430 /* CONST type_id=3 */ /* [3] */ 1431 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), 1432 /* PTR type_id=2 */ /* [4] */ 1433 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 3), 1434 BTF_END_RAW, 1435 }, 1436 .str_sec = "\0A\0m", 1437 .str_sec_size = sizeof("\0A\0m"), 1438 .map_type = BPF_MAP_TYPE_ARRAY, 1439 .map_name = "loop_test7_map", 1440 .key_size = sizeof(int), 1441 .value_size = sizeof(void *), 1442 .key_type_id = 1, 1443 .value_type_id = 2, 1444 .max_entries = 4, 1445 .btf_load_err = true, 1446 .err_str = "Loop detected", 1447}, 1448 1449{ 1450 .descr = "loop test #8", 1451 .raw_types = { 1452 /* int */ /* [1] */ 1453 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1454 /* struct A { */ /* [2] */ 1455 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), 1456 /* const void *m; */ 1457 BTF_MEMBER_ENC(NAME_TBD, 4, 0), 1458 /* struct B { */ /* [3] */ 1459 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), sizeof(void *)), 1460 /* const void *n; */ 1461 BTF_MEMBER_ENC(NAME_TBD, 6, 0), 1462 /* CONST type_id=5 */ /* [4] */ 1463 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 5), 1464 /* PTR type_id=6 */ /* [5] */ 1465 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 6), 1466 /* CONST type_id=7 */ /* [6] */ 1467 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 7), 1468 /* PTR type_id=4 */ /* [7] */ 1469 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 4), 1470 BTF_END_RAW, 1471 }, 1472 .str_sec = "\0A\0m\0B\0n", 1473 .str_sec_size = sizeof("\0A\0m\0B\0n"), 1474 .map_type = BPF_MAP_TYPE_ARRAY, 1475 .map_name = "loop_test8_map", 1476 .key_size = sizeof(int), 1477 .value_size = sizeof(void *), 1478 .key_type_id = 1, 1479 .value_type_id = 2, 1480 .max_entries = 4, 1481 .btf_load_err = true, 1482 .err_str = "Loop detected", 1483}, 1484 1485{ 1486 .descr = "string section does not end with null", 1487 .raw_types = { 1488 /* int */ /* [1] */ 1489 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1490 BTF_END_RAW, 1491 }, 1492 .str_sec = "\0int", 1493 .str_sec_size = sizeof("\0int") - 1, 1494 .map_type = BPF_MAP_TYPE_ARRAY, 1495 .map_name = "hdr_test_map", 1496 .key_size = sizeof(int), 1497 .value_size = sizeof(int), 1498 .key_type_id = 1, 1499 .value_type_id = 1, 1500 .max_entries = 4, 1501 .btf_load_err = true, 1502 .err_str = "Invalid string section", 1503}, 1504 1505{ 1506 .descr = "empty string section", 1507 .raw_types = { 1508 /* int */ /* [1] */ 1509 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1510 BTF_END_RAW, 1511 }, 1512 .str_sec = "", 1513 .str_sec_size = 0, 1514 .map_type = BPF_MAP_TYPE_ARRAY, 1515 .map_name = "hdr_test_map", 1516 .key_size = sizeof(int), 1517 .value_size = sizeof(int), 1518 .key_type_id = 1, 1519 .value_type_id = 1, 1520 .max_entries = 4, 1521 .btf_load_err = true, 1522 .err_str = "Invalid string section", 1523}, 1524 1525{ 1526 .descr = "empty type section", 1527 .raw_types = { 1528 BTF_END_RAW, 1529 }, 1530 .str_sec = "\0int", 1531 .str_sec_size = sizeof("\0int"), 1532 .map_type = BPF_MAP_TYPE_ARRAY, 1533 .map_name = "hdr_test_map", 1534 .key_size = sizeof(int), 1535 .value_size = sizeof(int), 1536 .key_type_id = 1, 1537 .value_type_id = 1, 1538 .max_entries = 4, 1539 .btf_load_err = true, 1540 .err_str = "No type found", 1541}, 1542 1543{ 1544 .descr = "btf_header test. Longer hdr_len", 1545 .raw_types = { 1546 /* int */ /* [1] */ 1547 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1548 BTF_END_RAW, 1549 }, 1550 .str_sec = "\0int", 1551 .str_sec_size = sizeof("\0int"), 1552 .map_type = BPF_MAP_TYPE_ARRAY, 1553 .map_name = "hdr_test_map", 1554 .key_size = sizeof(int), 1555 .value_size = sizeof(int), 1556 .key_type_id = 1, 1557 .value_type_id = 1, 1558 .max_entries = 4, 1559 .btf_load_err = true, 1560 .hdr_len_delta = 4, 1561 .err_str = "Unsupported btf_header", 1562}, 1563 1564{ 1565 .descr = "btf_header test. Gap between hdr and type", 1566 .raw_types = { 1567 /* int */ /* [1] */ 1568 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1569 BTF_END_RAW, 1570 }, 1571 .str_sec = "\0int", 1572 .str_sec_size = sizeof("\0int"), 1573 .map_type = BPF_MAP_TYPE_ARRAY, 1574 .map_name = "hdr_test_map", 1575 .key_size = sizeof(int), 1576 .value_size = sizeof(int), 1577 .key_type_id = 1, 1578 .value_type_id = 1, 1579 .max_entries = 4, 1580 .btf_load_err = true, 1581 .type_off_delta = 4, 1582 .err_str = "Unsupported section found", 1583}, 1584 1585{ 1586 .descr = "btf_header test. Gap between type and str", 1587 .raw_types = { 1588 /* int */ /* [1] */ 1589 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1590 BTF_END_RAW, 1591 }, 1592 .str_sec = "\0int", 1593 .str_sec_size = sizeof("\0int"), 1594 .map_type = BPF_MAP_TYPE_ARRAY, 1595 .map_name = "hdr_test_map", 1596 .key_size = sizeof(int), 1597 .value_size = sizeof(int), 1598 .key_type_id = 1, 1599 .value_type_id = 1, 1600 .max_entries = 4, 1601 .btf_load_err = true, 1602 .str_off_delta = 4, 1603 .err_str = "Unsupported section found", 1604}, 1605 1606{ 1607 .descr = "btf_header test. Overlap between type and str", 1608 .raw_types = { 1609 /* int */ /* [1] */ 1610 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1611 BTF_END_RAW, 1612 }, 1613 .str_sec = "\0int", 1614 .str_sec_size = sizeof("\0int"), 1615 .map_type = BPF_MAP_TYPE_ARRAY, 1616 .map_name = "hdr_test_map", 1617 .key_size = sizeof(int), 1618 .value_size = sizeof(int), 1619 .key_type_id = 1, 1620 .value_type_id = 1, 1621 .max_entries = 4, 1622 .btf_load_err = true, 1623 .str_off_delta = -4, 1624 .err_str = "Section overlap found", 1625}, 1626 1627{ 1628 .descr = "btf_header test. Larger BTF size", 1629 .raw_types = { 1630 /* int */ /* [1] */ 1631 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1632 BTF_END_RAW, 1633 }, 1634 .str_sec = "\0int", 1635 .str_sec_size = sizeof("\0int"), 1636 .map_type = BPF_MAP_TYPE_ARRAY, 1637 .map_name = "hdr_test_map", 1638 .key_size = sizeof(int), 1639 .value_size = sizeof(int), 1640 .key_type_id = 1, 1641 .value_type_id = 1, 1642 .max_entries = 4, 1643 .btf_load_err = true, 1644 .str_len_delta = -4, 1645 .err_str = "Unsupported section found", 1646}, 1647 1648{ 1649 .descr = "btf_header test. Smaller BTF size", 1650 .raw_types = { 1651 /* int */ /* [1] */ 1652 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 1653 BTF_END_RAW, 1654 }, 1655 .str_sec = "\0int", 1656 .str_sec_size = sizeof("\0int"), 1657 .map_type = BPF_MAP_TYPE_ARRAY, 1658 .map_name = "hdr_test_map", 1659 .key_size = sizeof(int), 1660 .value_size = sizeof(int), 1661 .key_type_id = 1, 1662 .value_type_id = 1, 1663 .max_entries = 4, 1664 .btf_load_err = true, 1665 .str_len_delta = 4, 1666 .err_str = "Total section length too long", 1667}, 1668 1669{ 1670 .descr = "array test. index_type/elem_type \"int\"", 1671 .raw_types = { 1672 /* int */ /* [1] */ 1673 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1674 /* int[16] */ /* [2] */ 1675 BTF_TYPE_ARRAY_ENC(1, 1, 16), 1676 BTF_END_RAW, 1677 }, 1678 .str_sec = "", 1679 .str_sec_size = sizeof(""), 1680 .map_type = BPF_MAP_TYPE_ARRAY, 1681 .map_name = "array_test_map", 1682 .key_size = sizeof(int), 1683 .value_size = sizeof(int), 1684 .key_type_id = 1, 1685 .value_type_id = 1, 1686 .max_entries = 4, 1687}, 1688 1689{ 1690 .descr = "array test. index_type/elem_type \"const int\"", 1691 .raw_types = { 1692 /* int */ /* [1] */ 1693 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1694 /* int[16] */ /* [2] */ 1695 BTF_TYPE_ARRAY_ENC(3, 3, 16), 1696 /* CONST type_id=1 */ /* [3] */ 1697 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), 1698 BTF_END_RAW, 1699 }, 1700 .str_sec = "", 1701 .str_sec_size = sizeof(""), 1702 .map_type = BPF_MAP_TYPE_ARRAY, 1703 .map_name = "array_test_map", 1704 .key_size = sizeof(int), 1705 .value_size = sizeof(int), 1706 .key_type_id = 1, 1707 .value_type_id = 1, 1708 .max_entries = 4, 1709}, 1710 1711{ 1712 .descr = "array test. index_type \"const int:31\"", 1713 .raw_types = { 1714 /* int */ /* [1] */ 1715 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1716 /* int:31 */ /* [2] */ 1717 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4), 1718 /* int[16] */ /* [3] */ 1719 BTF_TYPE_ARRAY_ENC(1, 4, 16), 1720 /* CONST type_id=2 */ /* [4] */ 1721 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), 1722 BTF_END_RAW, 1723 }, 1724 .str_sec = "", 1725 .str_sec_size = sizeof(""), 1726 .map_type = BPF_MAP_TYPE_ARRAY, 1727 .map_name = "array_test_map", 1728 .key_size = sizeof(int), 1729 .value_size = sizeof(int), 1730 .key_type_id = 1, 1731 .value_type_id = 1, 1732 .max_entries = 4, 1733 .btf_load_err = true, 1734 .err_str = "Invalid index", 1735}, 1736 1737{ 1738 .descr = "array test. elem_type \"const int:31\"", 1739 .raw_types = { 1740 /* int */ /* [1] */ 1741 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1742 /* int:31 */ /* [2] */ 1743 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 31, 4), 1744 /* int[16] */ /* [3] */ 1745 BTF_TYPE_ARRAY_ENC(4, 1, 16), 1746 /* CONST type_id=2 */ /* [4] */ 1747 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 2), 1748 BTF_END_RAW, 1749 }, 1750 .str_sec = "", 1751 .str_sec_size = sizeof(""), 1752 .map_type = BPF_MAP_TYPE_ARRAY, 1753 .map_name = "array_test_map", 1754 .key_size = sizeof(int), 1755 .value_size = sizeof(int), 1756 .key_type_id = 1, 1757 .value_type_id = 1, 1758 .max_entries = 4, 1759 .btf_load_err = true, 1760 .err_str = "Invalid array of int", 1761}, 1762 1763{ 1764 .descr = "array test. index_type \"void\"", 1765 .raw_types = { 1766 /* int */ /* [1] */ 1767 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1768 /* int[16] */ /* [2] */ 1769 BTF_TYPE_ARRAY_ENC(1, 0, 16), 1770 BTF_END_RAW, 1771 }, 1772 .str_sec = "", 1773 .str_sec_size = sizeof(""), 1774 .map_type = BPF_MAP_TYPE_ARRAY, 1775 .map_name = "array_test_map", 1776 .key_size = sizeof(int), 1777 .value_size = sizeof(int), 1778 .key_type_id = 1, 1779 .value_type_id = 1, 1780 .max_entries = 4, 1781 .btf_load_err = true, 1782 .err_str = "Invalid index", 1783}, 1784 1785{ 1786 .descr = "array test. index_type \"const void\"", 1787 .raw_types = { 1788 /* int */ /* [1] */ 1789 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1790 /* int[16] */ /* [2] */ 1791 BTF_TYPE_ARRAY_ENC(1, 3, 16), 1792 /* CONST type_id=0 (void) */ /* [3] */ 1793 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1794 BTF_END_RAW, 1795 }, 1796 .str_sec = "", 1797 .str_sec_size = sizeof(""), 1798 .map_type = BPF_MAP_TYPE_ARRAY, 1799 .map_name = "array_test_map", 1800 .key_size = sizeof(int), 1801 .value_size = sizeof(int), 1802 .key_type_id = 1, 1803 .value_type_id = 1, 1804 .max_entries = 4, 1805 .btf_load_err = true, 1806 .err_str = "Invalid index", 1807}, 1808 1809{ 1810 .descr = "array test. elem_type \"const void\"", 1811 .raw_types = { 1812 /* int */ /* [1] */ 1813 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1814 /* int[16] */ /* [2] */ 1815 BTF_TYPE_ARRAY_ENC(3, 1, 16), 1816 /* CONST type_id=0 (void) */ /* [3] */ 1817 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 0), 1818 BTF_END_RAW, 1819 }, 1820 .str_sec = "", 1821 .str_sec_size = sizeof(""), 1822 .map_type = BPF_MAP_TYPE_ARRAY, 1823 .map_name = "array_test_map", 1824 .key_size = sizeof(int), 1825 .value_size = sizeof(int), 1826 .key_type_id = 1, 1827 .value_type_id = 1, 1828 .max_entries = 4, 1829 .btf_load_err = true, 1830 .err_str = "Invalid elem", 1831}, 1832 1833{ 1834 .descr = "array test. elem_type \"const void *\"", 1835 .raw_types = { 1836 /* int */ /* [1] */ 1837 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1838 /* const void *[16] */ /* [2] */ 1839 BTF_TYPE_ARRAY_ENC(3, 1, 16), 1840 /* CONST type_id=4 */ /* [3] */ 1841 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), 1842 /* void* */ /* [4] */ 1843 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), 1844 BTF_END_RAW, 1845 }, 1846 .str_sec = "", 1847 .str_sec_size = sizeof(""), 1848 .map_type = BPF_MAP_TYPE_ARRAY, 1849 .map_name = "array_test_map", 1850 .key_size = sizeof(int), 1851 .value_size = sizeof(int), 1852 .key_type_id = 1, 1853 .value_type_id = 1, 1854 .max_entries = 4, 1855}, 1856 1857{ 1858 .descr = "array test. index_type \"const void *\"", 1859 .raw_types = { 1860 /* int */ /* [1] */ 1861 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1862 /* const void *[16] */ /* [2] */ 1863 BTF_TYPE_ARRAY_ENC(3, 3, 16), 1864 /* CONST type_id=4 */ /* [3] */ 1865 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 4), 1866 /* void* */ /* [4] */ 1867 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), 1868 BTF_END_RAW, 1869 }, 1870 .str_sec = "", 1871 .str_sec_size = sizeof(""), 1872 .map_type = BPF_MAP_TYPE_ARRAY, 1873 .map_name = "array_test_map", 1874 .key_size = sizeof(int), 1875 .value_size = sizeof(int), 1876 .key_type_id = 1, 1877 .value_type_id = 1, 1878 .max_entries = 4, 1879 .btf_load_err = true, 1880 .err_str = "Invalid index", 1881}, 1882 1883{ 1884 .descr = "array test. t->size != 0\"", 1885 .raw_types = { 1886 /* int */ /* [1] */ 1887 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1888 /* int[16] */ /* [2] */ 1889 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 1), 1890 BTF_ARRAY_ENC(1, 1, 16), 1891 BTF_END_RAW, 1892 }, 1893 .str_sec = "", 1894 .str_sec_size = sizeof(""), 1895 .map_type = BPF_MAP_TYPE_ARRAY, 1896 .map_name = "array_test_map", 1897 .key_size = sizeof(int), 1898 .value_size = sizeof(int), 1899 .key_type_id = 1, 1900 .value_type_id = 1, 1901 .max_entries = 4, 1902 .btf_load_err = true, 1903 .err_str = "size != 0", 1904}, 1905 1906{ 1907 .descr = "int test. invalid int_data", 1908 .raw_types = { 1909 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 0, 0), 4), 1910 0x10000000, 1911 BTF_END_RAW, 1912 }, 1913 .str_sec = "", 1914 .str_sec_size = sizeof(""), 1915 .map_type = BPF_MAP_TYPE_ARRAY, 1916 .map_name = "array_test_map", 1917 .key_size = sizeof(int), 1918 .value_size = sizeof(int), 1919 .key_type_id = 1, 1920 .value_type_id = 1, 1921 .max_entries = 4, 1922 .btf_load_err = true, 1923 .err_str = "Invalid int_data", 1924}, 1925 1926{ 1927 .descr = "invalid BTF_INFO", 1928 .raw_types = { 1929 /* int */ /* [1] */ 1930 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1931 BTF_TYPE_ENC(0, 0x20000000, 4), 1932 BTF_END_RAW, 1933 }, 1934 .str_sec = "", 1935 .str_sec_size = sizeof(""), 1936 .map_type = BPF_MAP_TYPE_ARRAY, 1937 .map_name = "array_test_map", 1938 .key_size = sizeof(int), 1939 .value_size = sizeof(int), 1940 .key_type_id = 1, 1941 .value_type_id = 1, 1942 .max_entries = 4, 1943 .btf_load_err = true, 1944 .err_str = "Invalid btf_info", 1945}, 1946 1947{ 1948 .descr = "fwd test. t->type != 0\"", 1949 .raw_types = { 1950 /* int */ /* [1] */ 1951 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 1952 /* fwd type */ /* [2] */ 1953 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 1), 1954 BTF_END_RAW, 1955 }, 1956 .str_sec = "", 1957 .str_sec_size = sizeof(""), 1958 .map_type = BPF_MAP_TYPE_ARRAY, 1959 .map_name = "fwd_test_map", 1960 .key_size = sizeof(int), 1961 .value_size = sizeof(int), 1962 .key_type_id = 1, 1963 .value_type_id = 1, 1964 .max_entries = 4, 1965 .btf_load_err = true, 1966 .err_str = "type != 0", 1967}, 1968 1969{ 1970 .descr = "typedef (invalid name, name_off = 0)", 1971 .raw_types = { 1972 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 1973 BTF_TYPEDEF_ENC(0, 1), /* [2] */ 1974 BTF_END_RAW, 1975 }, 1976 .str_sec = "\0__int", 1977 .str_sec_size = sizeof("\0__int"), 1978 .map_type = BPF_MAP_TYPE_ARRAY, 1979 .map_name = "typedef_check_btf", 1980 .key_size = sizeof(int), 1981 .value_size = sizeof(int), 1982 .key_type_id = 1, 1983 .value_type_id = 1, 1984 .max_entries = 4, 1985 .btf_load_err = true, 1986 .err_str = "Invalid name", 1987}, 1988 1989{ 1990 .descr = "typedef (invalid name, invalid identifier)", 1991 .raw_types = { 1992 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 1993 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */ 1994 BTF_END_RAW, 1995 }, 1996 .str_sec = "\0__!int", 1997 .str_sec_size = sizeof("\0__!int"), 1998 .map_type = BPF_MAP_TYPE_ARRAY, 1999 .map_name = "typedef_check_btf", 2000 .key_size = sizeof(int), 2001 .value_size = sizeof(int), 2002 .key_type_id = 1, 2003 .value_type_id = 1, 2004 .max_entries = 4, 2005 .btf_load_err = true, 2006 .err_str = "Invalid name", 2007}, 2008 2009{ 2010 .descr = "ptr type (invalid name, name_off <> 0)", 2011 .raw_types = { 2012 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2013 BTF_TYPE_ENC(NAME_TBD, 2014 BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1), /* [2] */ 2015 BTF_END_RAW, 2016 }, 2017 .str_sec = "\0__int", 2018 .str_sec_size = sizeof("\0__int"), 2019 .map_type = BPF_MAP_TYPE_ARRAY, 2020 .map_name = "ptr_type_check_btf", 2021 .key_size = sizeof(int), 2022 .value_size = sizeof(int), 2023 .key_type_id = 1, 2024 .value_type_id = 1, 2025 .max_entries = 4, 2026 .btf_load_err = true, 2027 .err_str = "Invalid name", 2028}, 2029 2030{ 2031 .descr = "volatile type (invalid name, name_off <> 0)", 2032 .raw_types = { 2033 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2034 BTF_TYPE_ENC(NAME_TBD, 2035 BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 1), /* [2] */ 2036 BTF_END_RAW, 2037 }, 2038 .str_sec = "\0__int", 2039 .str_sec_size = sizeof("\0__int"), 2040 .map_type = BPF_MAP_TYPE_ARRAY, 2041 .map_name = "volatile_type_check_btf", 2042 .key_size = sizeof(int), 2043 .value_size = sizeof(int), 2044 .key_type_id = 1, 2045 .value_type_id = 1, 2046 .max_entries = 4, 2047 .btf_load_err = true, 2048 .err_str = "Invalid name", 2049}, 2050 2051{ 2052 .descr = "const type (invalid name, name_off <> 0)", 2053 .raw_types = { 2054 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2055 BTF_TYPE_ENC(NAME_TBD, 2056 BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 1), /* [2] */ 2057 BTF_END_RAW, 2058 }, 2059 .str_sec = "\0__int", 2060 .str_sec_size = sizeof("\0__int"), 2061 .map_type = BPF_MAP_TYPE_ARRAY, 2062 .map_name = "const_type_check_btf", 2063 .key_size = sizeof(int), 2064 .value_size = sizeof(int), 2065 .key_type_id = 1, 2066 .value_type_id = 1, 2067 .max_entries = 4, 2068 .btf_load_err = true, 2069 .err_str = "Invalid name", 2070}, 2071 2072{ 2073 .descr = "restrict type (invalid name, name_off <> 0)", 2074 .raw_types = { 2075 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2076 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 1), /* [2] */ 2077 BTF_TYPE_ENC(NAME_TBD, 2078 BTF_INFO_ENC(BTF_KIND_RESTRICT, 0, 0), 2), /* [3] */ 2079 BTF_END_RAW, 2080 }, 2081 .str_sec = "\0__int", 2082 .str_sec_size = sizeof("\0__int"), 2083 .map_type = BPF_MAP_TYPE_ARRAY, 2084 .map_name = "restrict_type_check_btf", 2085 .key_size = sizeof(int), 2086 .value_size = sizeof(int), 2087 .key_type_id = 1, 2088 .value_type_id = 1, 2089 .max_entries = 4, 2090 .btf_load_err = true, 2091 .err_str = "Invalid name", 2092}, 2093 2094{ 2095 .descr = "fwd type (invalid name, name_off = 0)", 2096 .raw_types = { 2097 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2098 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0), /* [2] */ 2099 BTF_END_RAW, 2100 }, 2101 .str_sec = "\0__skb", 2102 .str_sec_size = sizeof("\0__skb"), 2103 .map_type = BPF_MAP_TYPE_ARRAY, 2104 .map_name = "fwd_type_check_btf", 2105 .key_size = sizeof(int), 2106 .value_size = sizeof(int), 2107 .key_type_id = 1, 2108 .value_type_id = 1, 2109 .max_entries = 4, 2110 .btf_load_err = true, 2111 .err_str = "Invalid name", 2112}, 2113 2114{ 2115 .descr = "fwd type (invalid name, invalid identifier)", 2116 .raw_types = { 2117 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2118 BTF_TYPE_ENC(NAME_TBD, 2119 BTF_INFO_ENC(BTF_KIND_FWD, 0, 0), 0), /* [2] */ 2120 BTF_END_RAW, 2121 }, 2122 .str_sec = "\0__!skb", 2123 .str_sec_size = sizeof("\0__!skb"), 2124 .map_type = BPF_MAP_TYPE_ARRAY, 2125 .map_name = "fwd_type_check_btf", 2126 .key_size = sizeof(int), 2127 .value_size = sizeof(int), 2128 .key_type_id = 1, 2129 .value_type_id = 1, 2130 .max_entries = 4, 2131 .btf_load_err = true, 2132 .err_str = "Invalid name", 2133}, 2134 2135{ 2136 .descr = "array type (invalid name, name_off <> 0)", 2137 .raw_types = { 2138 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2139 BTF_TYPE_ENC(NAME_TBD, 2140 BTF_INFO_ENC(BTF_KIND_ARRAY, 0, 0), 0), /* [2] */ 2141 BTF_ARRAY_ENC(1, 1, 4), 2142 BTF_END_RAW, 2143 }, 2144 .str_sec = "\0__skb", 2145 .str_sec_size = sizeof("\0__skb"), 2146 .map_type = BPF_MAP_TYPE_ARRAY, 2147 .map_name = "array_type_check_btf", 2148 .key_size = sizeof(int), 2149 .value_size = sizeof(int), 2150 .key_type_id = 1, 2151 .value_type_id = 1, 2152 .max_entries = 4, 2153 .btf_load_err = true, 2154 .err_str = "Invalid name", 2155}, 2156 2157{ 2158 .descr = "struct type (name_off = 0)", 2159 .raw_types = { 2160 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2161 BTF_TYPE_ENC(0, 2162 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ 2163 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 2164 BTF_END_RAW, 2165 }, 2166 .str_sec = "\0A", 2167 .str_sec_size = sizeof("\0A"), 2168 .map_type = BPF_MAP_TYPE_ARRAY, 2169 .map_name = "struct_type_check_btf", 2170 .key_size = sizeof(int), 2171 .value_size = sizeof(int), 2172 .key_type_id = 1, 2173 .value_type_id = 1, 2174 .max_entries = 4, 2175}, 2176 2177{ 2178 .descr = "struct type (invalid name, invalid identifier)", 2179 .raw_types = { 2180 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2181 BTF_TYPE_ENC(NAME_TBD, 2182 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ 2183 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 2184 BTF_END_RAW, 2185 }, 2186 .str_sec = "\0A!\0B", 2187 .str_sec_size = sizeof("\0A!\0B"), 2188 .map_type = BPF_MAP_TYPE_ARRAY, 2189 .map_name = "struct_type_check_btf", 2190 .key_size = sizeof(int), 2191 .value_size = sizeof(int), 2192 .key_type_id = 1, 2193 .value_type_id = 1, 2194 .max_entries = 4, 2195 .btf_load_err = true, 2196 .err_str = "Invalid name", 2197}, 2198 2199{ 2200 .descr = "struct member (name_off = 0)", 2201 .raw_types = { 2202 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2203 BTF_TYPE_ENC(0, 2204 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ 2205 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 2206 BTF_END_RAW, 2207 }, 2208 .str_sec = "\0A", 2209 .str_sec_size = sizeof("\0A"), 2210 .map_type = BPF_MAP_TYPE_ARRAY, 2211 .map_name = "struct_type_check_btf", 2212 .key_size = sizeof(int), 2213 .value_size = sizeof(int), 2214 .key_type_id = 1, 2215 .value_type_id = 1, 2216 .max_entries = 4, 2217}, 2218 2219{ 2220 .descr = "struct member (invalid name, invalid identifier)", 2221 .raw_types = { 2222 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2223 BTF_TYPE_ENC(NAME_TBD, 2224 BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 4), /* [2] */ 2225 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 2226 BTF_END_RAW, 2227 }, 2228 .str_sec = "\0A\0B*", 2229 .str_sec_size = sizeof("\0A\0B*"), 2230 .map_type = BPF_MAP_TYPE_ARRAY, 2231 .map_name = "struct_type_check_btf", 2232 .key_size = sizeof(int), 2233 .value_size = sizeof(int), 2234 .key_type_id = 1, 2235 .value_type_id = 1, 2236 .max_entries = 4, 2237 .btf_load_err = true, 2238 .err_str = "Invalid name", 2239}, 2240 2241{ 2242 .descr = "enum type (name_off = 0)", 2243 .raw_types = { 2244 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2245 BTF_TYPE_ENC(0, 2246 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2247 sizeof(int)), /* [2] */ 2248 BTF_ENUM_ENC(NAME_TBD, 0), 2249 BTF_END_RAW, 2250 }, 2251 .str_sec = "\0A\0B", 2252 .str_sec_size = sizeof("\0A\0B"), 2253 .map_type = BPF_MAP_TYPE_ARRAY, 2254 .map_name = "enum_type_check_btf", 2255 .key_size = sizeof(int), 2256 .value_size = sizeof(int), 2257 .key_type_id = 1, 2258 .value_type_id = 1, 2259 .max_entries = 4, 2260}, 2261 2262{ 2263 .descr = "enum type (invalid name, invalid identifier)", 2264 .raw_types = { 2265 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2266 BTF_TYPE_ENC(NAME_TBD, 2267 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2268 sizeof(int)), /* [2] */ 2269 BTF_ENUM_ENC(NAME_TBD, 0), 2270 BTF_END_RAW, 2271 }, 2272 .str_sec = "\0A!\0B", 2273 .str_sec_size = sizeof("\0A!\0B"), 2274 .map_type = BPF_MAP_TYPE_ARRAY, 2275 .map_name = "enum_type_check_btf", 2276 .key_size = sizeof(int), 2277 .value_size = sizeof(int), 2278 .key_type_id = 1, 2279 .value_type_id = 1, 2280 .max_entries = 4, 2281 .btf_load_err = true, 2282 .err_str = "Invalid name", 2283}, 2284 2285{ 2286 .descr = "enum member (invalid name, name_off = 0)", 2287 .raw_types = { 2288 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2289 BTF_TYPE_ENC(0, 2290 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2291 sizeof(int)), /* [2] */ 2292 BTF_ENUM_ENC(0, 0), 2293 BTF_END_RAW, 2294 }, 2295 .str_sec = "", 2296 .str_sec_size = sizeof(""), 2297 .map_type = BPF_MAP_TYPE_ARRAY, 2298 .map_name = "enum_type_check_btf", 2299 .key_size = sizeof(int), 2300 .value_size = sizeof(int), 2301 .key_type_id = 1, 2302 .value_type_id = 1, 2303 .max_entries = 4, 2304 .btf_load_err = true, 2305 .err_str = "Invalid name", 2306}, 2307 2308{ 2309 .descr = "enum member (invalid name, invalid identifier)", 2310 .raw_types = { 2311 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2312 BTF_TYPE_ENC(0, 2313 BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2314 sizeof(int)), /* [2] */ 2315 BTF_ENUM_ENC(NAME_TBD, 0), 2316 BTF_END_RAW, 2317 }, 2318 .str_sec = "\0A!", 2319 .str_sec_size = sizeof("\0A!"), 2320 .map_type = BPF_MAP_TYPE_ARRAY, 2321 .map_name = "enum_type_check_btf", 2322 .key_size = sizeof(int), 2323 .value_size = sizeof(int), 2324 .key_type_id = 1, 2325 .value_type_id = 1, 2326 .max_entries = 4, 2327 .btf_load_err = true, 2328 .err_str = "Invalid name", 2329}, 2330{ 2331 .descr = "arraymap invalid btf key (a bit field)", 2332 .raw_types = { 2333 /* int */ /* [1] */ 2334 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 2335 /* 32 bit int with 32 bit offset */ /* [2] */ 2336 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 32, 32, 8), 2337 BTF_END_RAW, 2338 }, 2339 .str_sec = "", 2340 .str_sec_size = sizeof(""), 2341 .map_type = BPF_MAP_TYPE_ARRAY, 2342 .map_name = "array_map_check_btf", 2343 .key_size = sizeof(int), 2344 .value_size = sizeof(int), 2345 .key_type_id = 2, 2346 .value_type_id = 1, 2347 .max_entries = 4, 2348 .map_create_err = true, 2349}, 2350 2351{ 2352 .descr = "arraymap invalid btf key (!= 32 bits)", 2353 .raw_types = { 2354 /* int */ /* [1] */ 2355 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 2356 /* 16 bit int with 0 bit offset */ /* [2] */ 2357 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 16, 2), 2358 BTF_END_RAW, 2359 }, 2360 .str_sec = "", 2361 .str_sec_size = sizeof(""), 2362 .map_type = BPF_MAP_TYPE_ARRAY, 2363 .map_name = "array_map_check_btf", 2364 .key_size = sizeof(int), 2365 .value_size = sizeof(int), 2366 .key_type_id = 2, 2367 .value_type_id = 1, 2368 .max_entries = 4, 2369 .map_create_err = true, 2370}, 2371 2372{ 2373 .descr = "arraymap invalid btf value (too small)", 2374 .raw_types = { 2375 /* int */ /* [1] */ 2376 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 2377 BTF_END_RAW, 2378 }, 2379 .str_sec = "", 2380 .str_sec_size = sizeof(""), 2381 .map_type = BPF_MAP_TYPE_ARRAY, 2382 .map_name = "array_map_check_btf", 2383 .key_size = sizeof(int), 2384 /* btf_value_size < map->value_size */ 2385 .value_size = sizeof(__u64), 2386 .key_type_id = 1, 2387 .value_type_id = 1, 2388 .max_entries = 4, 2389 .map_create_err = true, 2390}, 2391 2392{ 2393 .descr = "arraymap invalid btf value (too big)", 2394 .raw_types = { 2395 /* int */ /* [1] */ 2396 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 2397 BTF_END_RAW, 2398 }, 2399 .str_sec = "", 2400 .str_sec_size = sizeof(""), 2401 .map_type = BPF_MAP_TYPE_ARRAY, 2402 .map_name = "array_map_check_btf", 2403 .key_size = sizeof(int), 2404 /* btf_value_size > map->value_size */ 2405 .value_size = sizeof(__u16), 2406 .key_type_id = 1, 2407 .value_type_id = 1, 2408 .max_entries = 4, 2409 .map_create_err = true, 2410}, 2411 2412{ 2413 .descr = "func proto (int (*)(int, unsigned int))", 2414 .raw_types = { 2415 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2416 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2417 /* int (*)(int, unsigned int) */ 2418 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 2419 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2420 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2421 BTF_END_RAW, 2422 }, 2423 .str_sec = "", 2424 .str_sec_size = sizeof(""), 2425 .map_type = BPF_MAP_TYPE_ARRAY, 2426 .map_name = "func_proto_type_check_btf", 2427 .key_size = sizeof(int), 2428 .value_size = sizeof(int), 2429 .key_type_id = 1, 2430 .value_type_id = 1, 2431 .max_entries = 4, 2432}, 2433 2434{ 2435 .descr = "func proto (vararg)", 2436 .raw_types = { 2437 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2438 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2439 /* void (*)(int, unsigned int, ...) */ 2440 BTF_FUNC_PROTO_ENC(0, 3), /* [3] */ 2441 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2442 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2443 BTF_FUNC_PROTO_ARG_ENC(0, 0), 2444 BTF_END_RAW, 2445 }, 2446 .str_sec = "", 2447 .str_sec_size = sizeof(""), 2448 .map_type = BPF_MAP_TYPE_ARRAY, 2449 .map_name = "func_proto_type_check_btf", 2450 .key_size = sizeof(int), 2451 .value_size = sizeof(int), 2452 .key_type_id = 1, 2453 .value_type_id = 1, 2454 .max_entries = 4, 2455}, 2456 2457{ 2458 .descr = "func proto (vararg with name)", 2459 .raw_types = { 2460 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2461 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2462 /* void (*)(int a, unsigned int b, ... c) */ 2463 BTF_FUNC_PROTO_ENC(0, 3), /* [3] */ 2464 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2465 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2466 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 0), 2467 BTF_END_RAW, 2468 }, 2469 .str_sec = "\0a\0b\0c", 2470 .str_sec_size = sizeof("\0a\0b\0c"), 2471 .map_type = BPF_MAP_TYPE_ARRAY, 2472 .map_name = "func_proto_type_check_btf", 2473 .key_size = sizeof(int), 2474 .value_size = sizeof(int), 2475 .key_type_id = 1, 2476 .value_type_id = 1, 2477 .max_entries = 4, 2478 .btf_load_err = true, 2479 .err_str = "Invalid arg#3", 2480}, 2481 2482{ 2483 .descr = "func proto (arg after vararg)", 2484 .raw_types = { 2485 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2486 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2487 /* void (*)(int a, ..., unsigned int b) */ 2488 BTF_FUNC_PROTO_ENC(0, 3), /* [3] */ 2489 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2490 BTF_FUNC_PROTO_ARG_ENC(0, 0), 2491 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2492 BTF_END_RAW, 2493 }, 2494 .str_sec = "\0a\0b", 2495 .str_sec_size = sizeof("\0a\0b"), 2496 .map_type = BPF_MAP_TYPE_ARRAY, 2497 .map_name = "func_proto_type_check_btf", 2498 .key_size = sizeof(int), 2499 .value_size = sizeof(int), 2500 .key_type_id = 1, 2501 .value_type_id = 1, 2502 .max_entries = 4, 2503 .btf_load_err = true, 2504 .err_str = "Invalid arg#2", 2505}, 2506 2507{ 2508 .descr = "func proto (CONST=>TYPEDEF=>PTR=>FUNC_PROTO)", 2509 .raw_types = { 2510 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2511 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2512 /* typedef void (*func_ptr)(int, unsigned int) */ 2513 BTF_TYPEDEF_ENC(NAME_TBD, 5), /* [3] */ 2514 /* const func_ptr */ 2515 BTF_CONST_ENC(3), /* [4] */ 2516 BTF_PTR_ENC(6), /* [5] */ 2517 BTF_FUNC_PROTO_ENC(0, 2), /* [6] */ 2518 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2519 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2520 BTF_END_RAW, 2521 }, 2522 .str_sec = "\0func_ptr", 2523 .str_sec_size = sizeof("\0func_ptr"), 2524 .map_type = BPF_MAP_TYPE_ARRAY, 2525 .map_name = "func_proto_type_check_btf", 2526 .key_size = sizeof(int), 2527 .value_size = sizeof(int), 2528 .key_type_id = 1, 2529 .value_type_id = 1, 2530 .max_entries = 4, 2531}, 2532 2533{ 2534 .descr = "func proto (TYPEDEF=>FUNC_PROTO)", 2535 .raw_types = { 2536 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2537 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2538 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ 2539 BTF_FUNC_PROTO_ENC(0, 2), /* [4] */ 2540 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2541 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2542 BTF_END_RAW, 2543 }, 2544 .str_sec = "\0func_typedef", 2545 .str_sec_size = sizeof("\0func_typedef"), 2546 .map_type = BPF_MAP_TYPE_ARRAY, 2547 .map_name = "func_proto_type_check_btf", 2548 .key_size = sizeof(int), 2549 .value_size = sizeof(int), 2550 .key_type_id = 1, 2551 .value_type_id = 1, 2552 .max_entries = 4, 2553}, 2554 2555{ 2556 .descr = "func proto (btf_resolve(arg))", 2557 .raw_types = { 2558 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2559 /* void (*)(const void *) */ 2560 BTF_FUNC_PROTO_ENC(0, 1), /* [2] */ 2561 BTF_FUNC_PROTO_ARG_ENC(0, 3), 2562 BTF_CONST_ENC(4), /* [3] */ 2563 BTF_PTR_ENC(0), /* [4] */ 2564 BTF_END_RAW, 2565 }, 2566 .str_sec = "", 2567 .str_sec_size = sizeof(""), 2568 .map_type = BPF_MAP_TYPE_ARRAY, 2569 .map_name = "func_proto_type_check_btf", 2570 .key_size = sizeof(int), 2571 .value_size = sizeof(int), 2572 .key_type_id = 1, 2573 .value_type_id = 1, 2574 .max_entries = 4, 2575}, 2576 2577{ 2578 .descr = "func proto (Not all arg has name)", 2579 .raw_types = { 2580 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2581 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2582 /* void (*)(int, unsigned int b) */ 2583 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2584 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2585 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2586 BTF_END_RAW, 2587 }, 2588 .str_sec = "\0b", 2589 .str_sec_size = sizeof("\0b"), 2590 .map_type = BPF_MAP_TYPE_ARRAY, 2591 .map_name = "func_proto_type_check_btf", 2592 .key_size = sizeof(int), 2593 .value_size = sizeof(int), 2594 .key_type_id = 1, 2595 .value_type_id = 1, 2596 .max_entries = 4, 2597}, 2598 2599{ 2600 .descr = "func proto (Bad arg name_off)", 2601 .raw_types = { 2602 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2603 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2604 /* void (*)(int a, unsigned int <bad_name_off>) */ 2605 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2606 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2607 BTF_FUNC_PROTO_ARG_ENC(0x0fffffff, 2), 2608 BTF_END_RAW, 2609 }, 2610 .str_sec = "\0a", 2611 .str_sec_size = sizeof("\0a"), 2612 .map_type = BPF_MAP_TYPE_ARRAY, 2613 .map_name = "func_proto_type_check_btf", 2614 .key_size = sizeof(int), 2615 .value_size = sizeof(int), 2616 .key_type_id = 1, 2617 .value_type_id = 1, 2618 .max_entries = 4, 2619 .btf_load_err = true, 2620 .err_str = "Invalid arg#2", 2621}, 2622 2623{ 2624 .descr = "func proto (Bad arg name)", 2625 .raw_types = { 2626 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2627 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2628 /* void (*)(int a, unsigned int !!!) */ 2629 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2630 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2631 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2632 BTF_END_RAW, 2633 }, 2634 .str_sec = "\0a\0!!!", 2635 .str_sec_size = sizeof("\0a\0!!!"), 2636 .map_type = BPF_MAP_TYPE_ARRAY, 2637 .map_name = "func_proto_type_check_btf", 2638 .key_size = sizeof(int), 2639 .value_size = sizeof(int), 2640 .key_type_id = 1, 2641 .value_type_id = 1, 2642 .max_entries = 4, 2643 .btf_load_err = true, 2644 .err_str = "Invalid arg#2", 2645}, 2646 2647{ 2648 .descr = "func proto (Invalid return type)", 2649 .raw_types = { 2650 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2651 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2652 /* <bad_ret_type> (*)(int, unsigned int) */ 2653 BTF_FUNC_PROTO_ENC(100, 2), /* [3] */ 2654 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2655 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2656 BTF_END_RAW, 2657 }, 2658 .str_sec = "", 2659 .str_sec_size = sizeof(""), 2660 .map_type = BPF_MAP_TYPE_ARRAY, 2661 .map_name = "func_proto_type_check_btf", 2662 .key_size = sizeof(int), 2663 .value_size = sizeof(int), 2664 .key_type_id = 1, 2665 .value_type_id = 1, 2666 .max_entries = 4, 2667 .btf_load_err = true, 2668 .err_str = "Invalid return type", 2669}, 2670 2671{ 2672 .descr = "func proto (with func name)", 2673 .raw_types = { 2674 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2675 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2676 /* void func_proto(int, unsigned int) */ 2677 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 2), 0), /* [3] */ 2678 BTF_FUNC_PROTO_ARG_ENC(0, 1), 2679 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2680 BTF_END_RAW, 2681 }, 2682 .str_sec = "\0func_proto", 2683 .str_sec_size = sizeof("\0func_proto"), 2684 .map_type = BPF_MAP_TYPE_ARRAY, 2685 .map_name = "func_proto_type_check_btf", 2686 .key_size = sizeof(int), 2687 .value_size = sizeof(int), 2688 .key_type_id = 1, 2689 .value_type_id = 1, 2690 .max_entries = 4, 2691 .btf_load_err = true, 2692 .err_str = "Invalid name", 2693}, 2694 2695{ 2696 .descr = "func proto (const void arg)", 2697 .raw_types = { 2698 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2699 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2700 /* void (*)(const void) */ 2701 BTF_FUNC_PROTO_ENC(0, 1), /* [3] */ 2702 BTF_FUNC_PROTO_ARG_ENC(0, 4), 2703 BTF_CONST_ENC(0), /* [4] */ 2704 BTF_END_RAW, 2705 }, 2706 .str_sec = "", 2707 .str_sec_size = sizeof(""), 2708 .map_type = BPF_MAP_TYPE_ARRAY, 2709 .map_name = "func_proto_type_check_btf", 2710 .key_size = sizeof(int), 2711 .value_size = sizeof(int), 2712 .key_type_id = 1, 2713 .value_type_id = 1, 2714 .max_entries = 4, 2715 .btf_load_err = true, 2716 .err_str = "Invalid arg#1", 2717}, 2718 2719{ 2720 .descr = "func (void func(int a, unsigned int b))", 2721 .raw_types = { 2722 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2723 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2724 /* void (*)(int a, unsigned int b) */ 2725 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2726 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2727 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2728 /* void func(int a, unsigned int b) */ 2729 BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */ 2730 BTF_END_RAW, 2731 }, 2732 .str_sec = "\0a\0b\0func", 2733 .str_sec_size = sizeof("\0a\0b\0func"), 2734 .map_type = BPF_MAP_TYPE_ARRAY, 2735 .map_name = "func_type_check_btf", 2736 .key_size = sizeof(int), 2737 .value_size = sizeof(int), 2738 .key_type_id = 1, 2739 .value_type_id = 1, 2740 .max_entries = 4, 2741}, 2742 2743{ 2744 .descr = "func (No func name)", 2745 .raw_types = { 2746 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2747 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2748 /* void (*)(int a, unsigned int b) */ 2749 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2750 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2751 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2752 /* void <no_name>(int a, unsigned int b) */ 2753 BTF_FUNC_ENC(0, 3), /* [4] */ 2754 BTF_END_RAW, 2755 }, 2756 .str_sec = "\0a\0b", 2757 .str_sec_size = sizeof("\0a\0b"), 2758 .map_type = BPF_MAP_TYPE_ARRAY, 2759 .map_name = "func_type_check_btf", 2760 .key_size = sizeof(int), 2761 .value_size = sizeof(int), 2762 .key_type_id = 1, 2763 .value_type_id = 1, 2764 .max_entries = 4, 2765 .btf_load_err = true, 2766 .err_str = "Invalid name", 2767}, 2768 2769{ 2770 .descr = "func (Invalid func name)", 2771 .raw_types = { 2772 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2773 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2774 /* void (*)(int a, unsigned int b) */ 2775 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2776 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2777 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2778 /* void !!!(int a, unsigned int b) */ 2779 BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */ 2780 BTF_END_RAW, 2781 }, 2782 .str_sec = "\0a\0b\0!!!", 2783 .str_sec_size = sizeof("\0a\0b\0!!!"), 2784 .map_type = BPF_MAP_TYPE_ARRAY, 2785 .map_name = "func_type_check_btf", 2786 .key_size = sizeof(int), 2787 .value_size = sizeof(int), 2788 .key_type_id = 1, 2789 .value_type_id = 1, 2790 .max_entries = 4, 2791 .btf_load_err = true, 2792 .err_str = "Invalid name", 2793}, 2794 2795{ 2796 .descr = "func (Some arg has no name)", 2797 .raw_types = { 2798 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2799 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2800 /* void (*)(int a, unsigned int) */ 2801 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2802 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2803 BTF_FUNC_PROTO_ARG_ENC(0, 2), 2804 /* void func(int a, unsigned int) */ 2805 BTF_FUNC_ENC(NAME_TBD, 3), /* [4] */ 2806 BTF_END_RAW, 2807 }, 2808 .str_sec = "\0a\0func", 2809 .str_sec_size = sizeof("\0a\0func"), 2810 .map_type = BPF_MAP_TYPE_ARRAY, 2811 .map_name = "func_type_check_btf", 2812 .key_size = sizeof(int), 2813 .value_size = sizeof(int), 2814 .key_type_id = 1, 2815 .value_type_id = 1, 2816 .max_entries = 4, 2817 .btf_load_err = true, 2818 .err_str = "Invalid arg#2", 2819}, 2820 2821{ 2822 .descr = "func (Non zero vlen)", 2823 .raw_types = { 2824 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2825 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [2] */ 2826 /* void (*)(int a, unsigned int b) */ 2827 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 2828 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 2829 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 2830 /* void func(int a, unsigned int b) */ 2831 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 0, 2), 3), /* [4] */ 2832 BTF_END_RAW, 2833 }, 2834 .str_sec = "\0a\0b\0func", 2835 .str_sec_size = sizeof("\0a\0b\0func"), 2836 .map_type = BPF_MAP_TYPE_ARRAY, 2837 .map_name = "func_type_check_btf", 2838 .key_size = sizeof(int), 2839 .value_size = sizeof(int), 2840 .key_type_id = 1, 2841 .value_type_id = 1, 2842 .max_entries = 4, 2843 .btf_load_err = true, 2844 .err_str = "Invalid func linkage", 2845}, 2846 2847{ 2848 .descr = "func (Not referring to FUNC_PROTO)", 2849 .raw_types = { 2850 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2851 BTF_FUNC_ENC(NAME_TBD, 1), /* [2] */ 2852 BTF_END_RAW, 2853 }, 2854 .str_sec = "\0func", 2855 .str_sec_size = sizeof("\0func"), 2856 .map_type = BPF_MAP_TYPE_ARRAY, 2857 .map_name = "func_type_check_btf", 2858 .key_size = sizeof(int), 2859 .value_size = sizeof(int), 2860 .key_type_id = 1, 2861 .value_type_id = 1, 2862 .max_entries = 4, 2863 .btf_load_err = true, 2864 .err_str = "Invalid type_id", 2865}, 2866 2867{ 2868 .descr = "invalid int kind_flag", 2869 .raw_types = { 2870 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2871 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_INT, 1, 0), 4), /* [2] */ 2872 BTF_INT_ENC(0, 0, 32), 2873 BTF_END_RAW, 2874 }, 2875 BTF_STR_SEC(""), 2876 .map_type = BPF_MAP_TYPE_ARRAY, 2877 .map_name = "int_type_check_btf", 2878 .key_size = sizeof(int), 2879 .value_size = sizeof(int), 2880 .key_type_id = 1, 2881 .value_type_id = 1, 2882 .max_entries = 4, 2883 .btf_load_err = true, 2884 .err_str = "Invalid btf_info kind_flag", 2885}, 2886 2887{ 2888 .descr = "invalid ptr kind_flag", 2889 .raw_types = { 2890 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2891 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 1, 0), 1), /* [2] */ 2892 BTF_END_RAW, 2893 }, 2894 BTF_STR_SEC(""), 2895 .map_type = BPF_MAP_TYPE_ARRAY, 2896 .map_name = "ptr_type_check_btf", 2897 .key_size = sizeof(int), 2898 .value_size = sizeof(int), 2899 .key_type_id = 1, 2900 .value_type_id = 1, 2901 .max_entries = 4, 2902 .btf_load_err = true, 2903 .err_str = "Invalid btf_info kind_flag", 2904}, 2905 2906{ 2907 .descr = "invalid array kind_flag", 2908 .raw_types = { 2909 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2910 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ARRAY, 1, 0), 0), /* [2] */ 2911 BTF_ARRAY_ENC(1, 1, 1), 2912 BTF_END_RAW, 2913 }, 2914 BTF_STR_SEC(""), 2915 .map_type = BPF_MAP_TYPE_ARRAY, 2916 .map_name = "array_type_check_btf", 2917 .key_size = sizeof(int), 2918 .value_size = sizeof(int), 2919 .key_type_id = 1, 2920 .value_type_id = 1, 2921 .max_entries = 4, 2922 .btf_load_err = true, 2923 .err_str = "Invalid btf_info kind_flag", 2924}, 2925 2926{ 2927 .descr = "valid fwd kind_flag", 2928 .raw_types = { 2929 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2930 BTF_TYPE_ENC(NAME_TBD, 2931 BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [2] */ 2932 BTF_END_RAW, 2933 }, 2934 BTF_STR_SEC("\0A"), 2935 .map_type = BPF_MAP_TYPE_ARRAY, 2936 .map_name = "fwd_type_check_btf", 2937 .key_size = sizeof(int), 2938 .value_size = sizeof(int), 2939 .key_type_id = 1, 2940 .value_type_id = 1, 2941 .max_entries = 4, 2942}, 2943 2944{ 2945 .descr = "invalid typedef kind_flag", 2946 .raw_types = { 2947 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2948 BTF_TYPE_ENC(NAME_TBD, 2949 BTF_INFO_ENC(BTF_KIND_TYPEDEF, 1, 0), 1), /* [2] */ 2950 BTF_END_RAW, 2951 }, 2952 BTF_STR_SEC("\0A"), 2953 .map_type = BPF_MAP_TYPE_ARRAY, 2954 .map_name = "typedef_type_check_btf", 2955 .key_size = sizeof(int), 2956 .value_size = sizeof(int), 2957 .key_type_id = 1, 2958 .value_type_id = 1, 2959 .max_entries = 4, 2960 .btf_load_err = true, 2961 .err_str = "Invalid btf_info kind_flag", 2962}, 2963 2964{ 2965 .descr = "invalid volatile kind_flag", 2966 .raw_types = { 2967 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2968 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 1, 0), 1), /* [2] */ 2969 BTF_END_RAW, 2970 }, 2971 BTF_STR_SEC(""), 2972 .map_type = BPF_MAP_TYPE_ARRAY, 2973 .map_name = "volatile_type_check_btf", 2974 .key_size = sizeof(int), 2975 .value_size = sizeof(int), 2976 .key_type_id = 1, 2977 .value_type_id = 1, 2978 .max_entries = 4, 2979 .btf_load_err = true, 2980 .err_str = "Invalid btf_info kind_flag", 2981}, 2982 2983{ 2984 .descr = "invalid const kind_flag", 2985 .raw_types = { 2986 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 2987 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 1, 0), 1), /* [2] */ 2988 BTF_END_RAW, 2989 }, 2990 BTF_STR_SEC(""), 2991 .map_type = BPF_MAP_TYPE_ARRAY, 2992 .map_name = "const_type_check_btf", 2993 .key_size = sizeof(int), 2994 .value_size = sizeof(int), 2995 .key_type_id = 1, 2996 .value_type_id = 1, 2997 .max_entries = 4, 2998 .btf_load_err = true, 2999 .err_str = "Invalid btf_info kind_flag", 3000}, 3001 3002{ 3003 .descr = "invalid restrict kind_flag", 3004 .raw_types = { 3005 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3006 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_RESTRICT, 1, 0), 1), /* [2] */ 3007 BTF_END_RAW, 3008 }, 3009 BTF_STR_SEC(""), 3010 .map_type = BPF_MAP_TYPE_ARRAY, 3011 .map_name = "restrict_type_check_btf", 3012 .key_size = sizeof(int), 3013 .value_size = sizeof(int), 3014 .key_type_id = 1, 3015 .value_type_id = 1, 3016 .max_entries = 4, 3017 .btf_load_err = true, 3018 .err_str = "Invalid btf_info kind_flag", 3019}, 3020 3021{ 3022 .descr = "invalid func kind_flag", 3023 .raw_types = { 3024 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3025 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 0, 0), 0), /* [2] */ 3026 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FUNC, 1, 0), 2), /* [3] */ 3027 BTF_END_RAW, 3028 }, 3029 BTF_STR_SEC("\0A"), 3030 .map_type = BPF_MAP_TYPE_ARRAY, 3031 .map_name = "func_type_check_btf", 3032 .key_size = sizeof(int), 3033 .value_size = sizeof(int), 3034 .key_type_id = 1, 3035 .value_type_id = 1, 3036 .max_entries = 4, 3037 .btf_load_err = true, 3038 .err_str = "Invalid btf_info kind_flag", 3039}, 3040 3041{ 3042 .descr = "invalid func_proto kind_flag", 3043 .raw_types = { 3044 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3045 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_FUNC_PROTO, 1, 0), 0), /* [2] */ 3046 BTF_END_RAW, 3047 }, 3048 BTF_STR_SEC(""), 3049 .map_type = BPF_MAP_TYPE_ARRAY, 3050 .map_name = "func_proto_type_check_btf", 3051 .key_size = sizeof(int), 3052 .value_size = sizeof(int), 3053 .key_type_id = 1, 3054 .value_type_id = 1, 3055 .max_entries = 4, 3056 .btf_load_err = true, 3057 .err_str = "Invalid btf_info kind_flag", 3058}, 3059 3060{ 3061 .descr = "valid struct, kind_flag, bitfield_size = 0", 3062 .raw_types = { 3063 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3064 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 8), /* [2] */ 3065 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 0)), 3066 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(0, 32)), 3067 BTF_END_RAW, 3068 }, 3069 BTF_STR_SEC("\0A\0B"), 3070 .map_type = BPF_MAP_TYPE_ARRAY, 3071 .map_name = "struct_type_check_btf", 3072 .key_size = sizeof(int), 3073 .value_size = sizeof(int), 3074 .key_type_id = 1, 3075 .value_type_id = 1, 3076 .max_entries = 4, 3077}, 3078 3079{ 3080 .descr = "valid struct, kind_flag, int member, bitfield_size != 0", 3081 .raw_types = { 3082 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3083 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [2] */ 3084 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)), 3085 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 4)), 3086 BTF_END_RAW, 3087 }, 3088 BTF_STR_SEC("\0A\0B"), 3089 .map_type = BPF_MAP_TYPE_ARRAY, 3090 .map_name = "struct_type_check_btf", 3091 .key_size = sizeof(int), 3092 .value_size = sizeof(int), 3093 .key_type_id = 1, 3094 .value_type_id = 1, 3095 .max_entries = 4, 3096}, 3097 3098{ 3099 .descr = "valid union, kind_flag, int member, bitfield_size != 0", 3100 .raw_types = { 3101 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3102 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [2] */ 3103 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)), 3104 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(4, 0)), 3105 BTF_END_RAW, 3106 }, 3107 BTF_STR_SEC("\0A\0B"), 3108 .map_type = BPF_MAP_TYPE_ARRAY, 3109 .map_name = "union_type_check_btf", 3110 .key_size = sizeof(int), 3111 .value_size = sizeof(int), 3112 .key_type_id = 1, 3113 .value_type_id = 1, 3114 .max_entries = 4, 3115}, 3116 3117{ 3118 .descr = "valid struct, kind_flag, enum member, bitfield_size != 0", 3119 .raw_types = { 3120 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3121 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ 3122 BTF_ENUM_ENC(NAME_TBD, 0), 3123 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */ 3124 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)), 3125 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 4)), 3126 BTF_END_RAW, 3127 }, 3128 BTF_STR_SEC("\0A\0B\0C"), 3129 .map_type = BPF_MAP_TYPE_ARRAY, 3130 .map_name = "struct_type_check_btf", 3131 .key_size = sizeof(int), 3132 .value_size = sizeof(int), 3133 .key_type_id = 1, 3134 .value_type_id = 1, 3135 .max_entries = 4, 3136}, 3137 3138{ 3139 .descr = "valid union, kind_flag, enum member, bitfield_size != 0", 3140 .raw_types = { 3141 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3142 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ 3143 BTF_ENUM_ENC(NAME_TBD, 0), 3144 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [3] */ 3145 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)), 3146 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(4, 0)), 3147 BTF_END_RAW, 3148 }, 3149 BTF_STR_SEC("\0A\0B\0C"), 3150 .map_type = BPF_MAP_TYPE_ARRAY, 3151 .map_name = "union_type_check_btf", 3152 .key_size = sizeof(int), 3153 .value_size = sizeof(int), 3154 .key_type_id = 1, 3155 .value_type_id = 1, 3156 .max_entries = 4, 3157}, 3158 3159{ 3160 .descr = "valid struct, kind_flag, typedef member, bitfield_size != 0", 3161 .raw_types = { 3162 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3163 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ 3164 BTF_ENUM_ENC(NAME_TBD, 0), 3165 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4),/* [3] */ 3166 BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)), 3167 BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 4)), 3168 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [4] */ 3169 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [5] */ 3170 BTF_END_RAW, 3171 }, 3172 BTF_STR_SEC("\0A\0B\0C\0D\0E"), 3173 .map_type = BPF_MAP_TYPE_ARRAY, 3174 .map_name = "struct_type_check_btf", 3175 .key_size = sizeof(int), 3176 .value_size = sizeof(int), 3177 .key_type_id = 1, 3178 .value_type_id = 1, 3179 .max_entries = 4, 3180}, 3181 3182{ 3183 .descr = "valid union, kind_flag, typedef member, bitfield_size != 0", 3184 .raw_types = { 3185 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3186 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ 3187 BTF_ENUM_ENC(NAME_TBD, 0), 3188 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 4), /* [3] */ 3189 BTF_MEMBER_ENC(NAME_TBD, 4, BTF_MEMBER_OFFSET(4, 0)), 3190 BTF_MEMBER_ENC(NAME_TBD, 5, BTF_MEMBER_OFFSET(4, 0)), 3191 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [4] */ 3192 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [5] */ 3193 BTF_END_RAW, 3194 }, 3195 BTF_STR_SEC("\0A\0B\0C\0D\0E"), 3196 .map_type = BPF_MAP_TYPE_ARRAY, 3197 .map_name = "union_type_check_btf", 3198 .key_size = sizeof(int), 3199 .value_size = sizeof(int), 3200 .key_type_id = 1, 3201 .value_type_id = 1, 3202 .max_entries = 4, 3203}, 3204 3205{ 3206 .descr = "invalid struct, kind_flag, bitfield_size greater than struct size", 3207 .raw_types = { 3208 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3209 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [2] */ 3210 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)), 3211 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 20)), 3212 BTF_END_RAW, 3213 }, 3214 BTF_STR_SEC("\0A\0B"), 3215 .map_type = BPF_MAP_TYPE_ARRAY, 3216 .map_name = "struct_type_check_btf", 3217 .key_size = sizeof(int), 3218 .value_size = sizeof(int), 3219 .key_type_id = 1, 3220 .value_type_id = 1, 3221 .max_entries = 4, 3222 .btf_load_err = true, 3223 .err_str = "Member exceeds struct_size", 3224}, 3225 3226{ 3227 .descr = "invalid struct, kind_flag, bitfield base_type int not regular", 3228 .raw_types = { 3229 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3230 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 20, 4), /* [2] */ 3231 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [3] */ 3232 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 0)), 3233 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(20, 20)), 3234 BTF_END_RAW, 3235 }, 3236 BTF_STR_SEC("\0A\0B"), 3237 .map_type = BPF_MAP_TYPE_ARRAY, 3238 .map_name = "struct_type_check_btf", 3239 .key_size = sizeof(int), 3240 .value_size = sizeof(int), 3241 .key_type_id = 1, 3242 .value_type_id = 1, 3243 .max_entries = 4, 3244 .btf_load_err = true, 3245 .err_str = "Invalid member base type", 3246}, 3247 3248{ 3249 .descr = "invalid struct, kind_flag, base_type int not regular", 3250 .raw_types = { 3251 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3252 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 12, 4), /* [2] */ 3253 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 4), /* [3] */ 3254 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 0)), 3255 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(8, 8)), 3256 BTF_END_RAW, 3257 }, 3258 BTF_STR_SEC("\0A\0B"), 3259 .map_type = BPF_MAP_TYPE_ARRAY, 3260 .map_name = "struct_type_check_btf", 3261 .key_size = sizeof(int), 3262 .value_size = sizeof(int), 3263 .key_type_id = 1, 3264 .value_type_id = 1, 3265 .max_entries = 4, 3266 .btf_load_err = true, 3267 .err_str = "Invalid member base type", 3268}, 3269 3270{ 3271 .descr = "invalid union, kind_flag, bitfield_size greater than struct size", 3272 .raw_types = { 3273 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3274 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 1, 2), 2), /* [2] */ 3275 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(8, 0)), 3276 BTF_MEMBER_ENC(NAME_TBD, 1, BTF_MEMBER_OFFSET(20, 0)), 3277 BTF_END_RAW, 3278 }, 3279 BTF_STR_SEC("\0A\0B"), 3280 .map_type = BPF_MAP_TYPE_ARRAY, 3281 .map_name = "union_type_check_btf", 3282 .key_size = sizeof(int), 3283 .value_size = sizeof(int), 3284 .key_type_id = 1, 3285 .value_type_id = 1, 3286 .max_entries = 4, 3287 .btf_load_err = true, 3288 .err_str = "Member exceeds struct_size", 3289}, 3290 3291{ 3292 .descr = "invalid struct, kind_flag, int member, bitfield_size = 0, wrong byte alignment", 3293 .raw_types = { 3294 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3295 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 3296 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12), /* [3] */ 3297 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), 3298 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)), 3299 BTF_END_RAW, 3300 }, 3301 BTF_STR_SEC("\0A\0B"), 3302 .map_type = BPF_MAP_TYPE_ARRAY, 3303 .map_name = "struct_type_check_btf", 3304 .key_size = sizeof(int), 3305 .value_size = sizeof(int), 3306 .key_type_id = 1, 3307 .value_type_id = 1, 3308 .max_entries = 4, 3309 .btf_load_err = true, 3310 .err_str = "Invalid member offset", 3311}, 3312 3313{ 3314 .descr = "invalid struct, kind_flag, enum member, bitfield_size = 0, wrong byte alignment", 3315 .raw_types = { 3316 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3317 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 3318 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), /* [2] */ 3319 BTF_ENUM_ENC(NAME_TBD, 0), 3320 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 2), 12), /* [3] */ 3321 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), 3322 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 36)), 3323 BTF_END_RAW, 3324 }, 3325 BTF_STR_SEC("\0A\0B\0C"), 3326 .map_type = BPF_MAP_TYPE_ARRAY, 3327 .map_name = "struct_type_check_btf", 3328 .key_size = sizeof(int), 3329 .value_size = sizeof(int), 3330 .key_type_id = 1, 3331 .value_type_id = 1, 3332 .max_entries = 4, 3333 .btf_load_err = true, 3334 .err_str = "Invalid member offset", 3335}, 3336 3337{ 3338 .descr = "128-bit int", 3339 .raw_types = { 3340 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3341 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ 3342 BTF_END_RAW, 3343 }, 3344 BTF_STR_SEC("\0A"), 3345 .map_type = BPF_MAP_TYPE_ARRAY, 3346 .map_name = "int_type_check_btf", 3347 .key_size = sizeof(int), 3348 .value_size = sizeof(int), 3349 .key_type_id = 1, 3350 .value_type_id = 1, 3351 .max_entries = 4, 3352}, 3353 3354{ 3355 .descr = "struct, 128-bit int member", 3356 .raw_types = { 3357 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3358 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ 3359 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */ 3360 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3361 BTF_END_RAW, 3362 }, 3363 BTF_STR_SEC("\0A"), 3364 .map_type = BPF_MAP_TYPE_ARRAY, 3365 .map_name = "struct_type_check_btf", 3366 .key_size = sizeof(int), 3367 .value_size = sizeof(int), 3368 .key_type_id = 1, 3369 .value_type_id = 1, 3370 .max_entries = 4, 3371}, 3372 3373{ 3374 .descr = "struct, 120-bit int member bitfield", 3375 .raw_types = { 3376 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3377 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 120, 16), /* [2] */ 3378 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 1), 16), /* [3] */ 3379 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3380 BTF_END_RAW, 3381 }, 3382 BTF_STR_SEC("\0A"), 3383 .map_type = BPF_MAP_TYPE_ARRAY, 3384 .map_name = "struct_type_check_btf", 3385 .key_size = sizeof(int), 3386 .value_size = sizeof(int), 3387 .key_type_id = 1, 3388 .value_type_id = 1, 3389 .max_entries = 4, 3390}, 3391 3392{ 3393 .descr = "struct, kind_flag, 128-bit int member", 3394 .raw_types = { 3395 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3396 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ 3397 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */ 3398 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), 3399 BTF_END_RAW, 3400 }, 3401 BTF_STR_SEC("\0A"), 3402 .map_type = BPF_MAP_TYPE_ARRAY, 3403 .map_name = "struct_type_check_btf", 3404 .key_size = sizeof(int), 3405 .value_size = sizeof(int), 3406 .key_type_id = 1, 3407 .value_type_id = 1, 3408 .max_entries = 4, 3409}, 3410 3411{ 3412 .descr = "struct, kind_flag, 120-bit int member bitfield", 3413 .raw_types = { 3414 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3415 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 128, 16), /* [2] */ 3416 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 16), /* [3] */ 3417 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(120, 0)), 3418 BTF_END_RAW, 3419 }, 3420 BTF_STR_SEC("\0A"), 3421 .map_type = BPF_MAP_TYPE_ARRAY, 3422 .map_name = "struct_type_check_btf", 3423 .key_size = sizeof(int), 3424 .value_size = sizeof(int), 3425 .key_type_id = 1, 3426 .value_type_id = 1, 3427 .max_entries = 4, 3428}, 3429/* 3430 * typedef int arr_t[16]; 3431 * struct s { 3432 * arr_t *a; 3433 * }; 3434 */ 3435{ 3436 .descr = "struct->ptr->typedef->array->int size resolution", 3437 .raw_types = { 3438 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */ 3439 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3440 BTF_PTR_ENC(3), /* [2] */ 3441 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ 3442 BTF_TYPE_ARRAY_ENC(5, 5, 16), /* [4] */ 3443 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [5] */ 3444 BTF_END_RAW, 3445 }, 3446 BTF_STR_SEC("\0s\0a\0arr_t"), 3447 .map_type = BPF_MAP_TYPE_ARRAY, 3448 .map_name = "ptr_mod_chain_size_resolve_map", 3449 .key_size = sizeof(int), 3450 .value_size = sizeof(int) * 16, 3451 .key_type_id = 5 /* int */, 3452 .value_type_id = 3 /* arr_t */, 3453 .max_entries = 4, 3454}, 3455/* 3456 * typedef int arr_t[16][8][4]; 3457 * struct s { 3458 * arr_t *a; 3459 * }; 3460 */ 3461{ 3462 .descr = "struct->ptr->typedef->multi-array->int size resolution", 3463 .raw_types = { 3464 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */ 3465 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3466 BTF_PTR_ENC(3), /* [2] */ 3467 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ 3468 BTF_TYPE_ARRAY_ENC(5, 7, 16), /* [4] */ 3469 BTF_TYPE_ARRAY_ENC(6, 7, 8), /* [5] */ 3470 BTF_TYPE_ARRAY_ENC(7, 7, 4), /* [6] */ 3471 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [7] */ 3472 BTF_END_RAW, 3473 }, 3474 BTF_STR_SEC("\0s\0a\0arr_t"), 3475 .map_type = BPF_MAP_TYPE_ARRAY, 3476 .map_name = "multi_arr_size_resolve_map", 3477 .key_size = sizeof(int), 3478 .value_size = sizeof(int) * 16 * 8 * 4, 3479 .key_type_id = 7 /* int */, 3480 .value_type_id = 3 /* arr_t */, 3481 .max_entries = 4, 3482}, 3483/* 3484 * typedef int int_t; 3485 * typedef int_t arr3_t[4]; 3486 * typedef arr3_t arr2_t[8]; 3487 * typedef arr2_t arr1_t[16]; 3488 * struct s { 3489 * arr1_t *a; 3490 * }; 3491 */ 3492{ 3493 .descr = "typedef/multi-arr mix size resolution", 3494 .raw_types = { 3495 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [1] */ 3496 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3497 BTF_PTR_ENC(3), /* [2] */ 3498 BTF_TYPEDEF_ENC(NAME_TBD, 4), /* [3] */ 3499 BTF_TYPE_ARRAY_ENC(5, 10, 16), /* [4] */ 3500 BTF_TYPEDEF_ENC(NAME_TBD, 6), /* [5] */ 3501 BTF_TYPE_ARRAY_ENC(7, 10, 8), /* [6] */ 3502 BTF_TYPEDEF_ENC(NAME_TBD, 8), /* [7] */ 3503 BTF_TYPE_ARRAY_ENC(9, 10, 4), /* [8] */ 3504 BTF_TYPEDEF_ENC(NAME_TBD, 10), /* [9] */ 3505 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [10] */ 3506 BTF_END_RAW, 3507 }, 3508 BTF_STR_SEC("\0s\0a\0arr1_t\0arr2_t\0arr3_t\0int_t"), 3509 .map_type = BPF_MAP_TYPE_ARRAY, 3510 .map_name = "typedef_arra_mix_size_resolve_map", 3511 .key_size = sizeof(int), 3512 .value_size = sizeof(int) * 16 * 8 * 4, 3513 .key_type_id = 10 /* int */, 3514 .value_type_id = 3 /* arr_t */, 3515 .max_entries = 4, 3516}, 3517/* 3518 * elf .rodata section size 4 and btf .rodata section vlen 0. 3519 */ 3520{ 3521 .descr = "datasec: vlen == 0", 3522 .raw_types = { 3523 /* int */ 3524 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3525 /* .rodata section */ 3526 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 0), 4), 3527 /* [2] */ 3528 BTF_END_RAW, 3529 }, 3530 BTF_STR_SEC("\0.rodata"), 3531 .map_type = BPF_MAP_TYPE_ARRAY, 3532 .key_size = sizeof(int), 3533 .value_size = sizeof(int), 3534 .key_type_id = 1, 3535 .value_type_id = 1, 3536 .max_entries = 1, 3537}, 3538{ 3539 .descr = "datasec: name '?.foo bar:buz' is ok", 3540 .raw_types = { 3541 /* int */ 3542 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3543 /* VAR x */ /* [2] */ 3544 BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_VAR, 0, 0), 1), 3545 BTF_VAR_STATIC, 3546 /* DATASEC ?.data */ /* [3] */ 3547 BTF_TYPE_ENC(3, BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 3548 BTF_VAR_SECINFO_ENC(2, 0, 4), 3549 BTF_END_RAW, 3550 }, 3551 BTF_STR_SEC("\0x\0?.foo bar:buz"), 3552}, 3553{ 3554 .descr = "type name '?foo' is not ok", 3555 .raw_types = { 3556 /* union ?foo; */ 3557 BTF_TYPE_ENC(1, BTF_INFO_ENC(BTF_KIND_FWD, 1, 0), 0), /* [1] */ 3558 BTF_END_RAW, 3559 }, 3560 BTF_STR_SEC("\0?foo"), 3561 .err_str = "Invalid name", 3562 .btf_load_err = true, 3563}, 3564 3565{ 3566 .descr = "float test #1, well-formed", 3567 .raw_types = { 3568 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3569 /* [1] */ 3570 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [2] */ 3571 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [3] */ 3572 BTF_TYPE_FLOAT_ENC(NAME_TBD, 8), /* [4] */ 3573 BTF_TYPE_FLOAT_ENC(NAME_TBD, 12), /* [5] */ 3574 BTF_TYPE_FLOAT_ENC(NAME_TBD, 16), /* [6] */ 3575 BTF_STRUCT_ENC(NAME_TBD, 5, 48), /* [7] */ 3576 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3577 BTF_MEMBER_ENC(NAME_TBD, 3, 32), 3578 BTF_MEMBER_ENC(NAME_TBD, 4, 64), 3579 BTF_MEMBER_ENC(NAME_TBD, 5, 128), 3580 BTF_MEMBER_ENC(NAME_TBD, 6, 256), 3581 BTF_END_RAW, 3582 }, 3583 BTF_STR_SEC("\0int\0_Float16\0float\0double\0_Float80\0long_double" 3584 "\0floats\0a\0b\0c\0d\0e"), 3585 .map_type = BPF_MAP_TYPE_ARRAY, 3586 .map_name = "float_type_check_btf", 3587 .key_size = sizeof(int), 3588 .value_size = 48, 3589 .key_type_id = 1, 3590 .value_type_id = 7, 3591 .max_entries = 1, 3592}, 3593{ 3594 .descr = "float test #2, invalid vlen", 3595 .raw_types = { 3596 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3597 /* [1] */ 3598 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 0, 1), 4), 3599 /* [2] */ 3600 BTF_END_RAW, 3601 }, 3602 BTF_STR_SEC("\0int\0float"), 3603 .map_type = BPF_MAP_TYPE_ARRAY, 3604 .map_name = "float_type_check_btf", 3605 .key_size = sizeof(int), 3606 .value_size = 4, 3607 .key_type_id = 1, 3608 .value_type_id = 2, 3609 .max_entries = 1, 3610 .btf_load_err = true, 3611 .err_str = "vlen != 0", 3612}, 3613{ 3614 .descr = "float test #3, invalid kind_flag", 3615 .raw_types = { 3616 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3617 /* [1] */ 3618 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_FLOAT, 1, 0), 4), 3619 /* [2] */ 3620 BTF_END_RAW, 3621 }, 3622 BTF_STR_SEC("\0int\0float"), 3623 .map_type = BPF_MAP_TYPE_ARRAY, 3624 .map_name = "float_type_check_btf", 3625 .key_size = sizeof(int), 3626 .value_size = 4, 3627 .key_type_id = 1, 3628 .value_type_id = 2, 3629 .max_entries = 1, 3630 .btf_load_err = true, 3631 .err_str = "Invalid btf_info kind_flag", 3632}, 3633{ 3634 .descr = "float test #4, member does not fit", 3635 .raw_types = { 3636 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3637 /* [1] */ 3638 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */ 3639 BTF_STRUCT_ENC(NAME_TBD, 1, 2), /* [3] */ 3640 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 3641 BTF_END_RAW, 3642 }, 3643 BTF_STR_SEC("\0int\0float\0floats\0x"), 3644 .map_type = BPF_MAP_TYPE_ARRAY, 3645 .map_name = "float_type_check_btf", 3646 .key_size = sizeof(int), 3647 .value_size = 4, 3648 .key_type_id = 1, 3649 .value_type_id = 3, 3650 .max_entries = 1, 3651 .btf_load_err = true, 3652 .err_str = "Member exceeds struct_size", 3653}, 3654{ 3655 .descr = "float test #5, member is not properly aligned", 3656 .raw_types = { 3657 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3658 /* [1] */ 3659 BTF_TYPE_FLOAT_ENC(NAME_TBD, 4), /* [2] */ 3660 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] */ 3661 BTF_MEMBER_ENC(NAME_TBD, 2, 8), 3662 BTF_END_RAW, 3663 }, 3664 BTF_STR_SEC("\0int\0float\0floats\0x"), 3665 .map_type = BPF_MAP_TYPE_ARRAY, 3666 .map_name = "float_type_check_btf", 3667 .key_size = sizeof(int), 3668 .value_size = 4, 3669 .key_type_id = 1, 3670 .value_type_id = 3, 3671 .max_entries = 1, 3672 .btf_load_err = true, 3673 .err_str = "Member is not properly aligned", 3674}, 3675{ 3676 .descr = "float test #6, invalid size", 3677 .raw_types = { 3678 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 3679 /* [1] */ 3680 BTF_TYPE_FLOAT_ENC(NAME_TBD, 6), /* [2] */ 3681 BTF_END_RAW, 3682 }, 3683 BTF_STR_SEC("\0int\0float"), 3684 .map_type = BPF_MAP_TYPE_ARRAY, 3685 .map_name = "float_type_check_btf", 3686 .key_size = sizeof(int), 3687 .value_size = 6, 3688 .key_type_id = 1, 3689 .value_type_id = 2, 3690 .max_entries = 1, 3691 .btf_load_err = true, 3692 .err_str = "Invalid type_size", 3693}, 3694 3695{ 3696 .descr = "decl_tag test #1, struct/member, well-formed", 3697 .raw_types = { 3698 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3699 BTF_STRUCT_ENC(0, 2, 8), /* [2] */ 3700 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 3701 BTF_MEMBER_ENC(NAME_TBD, 1, 32), 3702 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), 3703 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), 3704 BTF_DECL_TAG_ENC(NAME_TBD, 2, 1), 3705 BTF_END_RAW, 3706 }, 3707 BTF_STR_SEC("\0m1\0m2\0tag1\0tag2\0tag3"), 3708 .map_type = BPF_MAP_TYPE_ARRAY, 3709 .map_name = "tag_type_check_btf", 3710 .key_size = sizeof(int), 3711 .value_size = 8, 3712 .key_type_id = 1, 3713 .value_type_id = 2, 3714 .max_entries = 1, 3715}, 3716{ 3717 .descr = "decl_tag test #2, union/member, well-formed", 3718 .raw_types = { 3719 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3720 BTF_UNION_ENC(NAME_TBD, 2, 4), /* [2] */ 3721 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 3722 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 3723 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), 3724 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), 3725 BTF_DECL_TAG_ENC(NAME_TBD, 2, 1), 3726 BTF_END_RAW, 3727 }, 3728 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), 3729 .map_type = BPF_MAP_TYPE_ARRAY, 3730 .map_name = "tag_type_check_btf", 3731 .key_size = sizeof(int), 3732 .value_size = 4, 3733 .key_type_id = 1, 3734 .value_type_id = 2, 3735 .max_entries = 1, 3736}, 3737{ 3738 .descr = "decl_tag test #3, variable, well-formed", 3739 .raw_types = { 3740 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3741 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 3742 BTF_VAR_ENC(NAME_TBD, 1, 1), /* [3] */ 3743 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), 3744 BTF_DECL_TAG_ENC(NAME_TBD, 3, -1), 3745 BTF_END_RAW, 3746 }, 3747 BTF_STR_SEC("\0local\0global\0tag1\0tag2"), 3748 .map_type = BPF_MAP_TYPE_ARRAY, 3749 .map_name = "tag_type_check_btf", 3750 .key_size = sizeof(int), 3751 .value_size = 4, 3752 .key_type_id = 1, 3753 .value_type_id = 1, 3754 .max_entries = 1, 3755}, 3756{ 3757 .descr = "decl_tag test #4, func/parameter, well-formed", 3758 .raw_types = { 3759 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3760 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 3761 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3762 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3763 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 3764 BTF_DECL_TAG_ENC(NAME_TBD, 3, -1), 3765 BTF_DECL_TAG_ENC(NAME_TBD, 3, 0), 3766 BTF_DECL_TAG_ENC(NAME_TBD, 3, 1), 3767 BTF_END_RAW, 3768 }, 3769 BTF_STR_SEC("\0arg1\0arg2\0f\0tag1\0tag2\0tag3"), 3770 .map_type = BPF_MAP_TYPE_ARRAY, 3771 .map_name = "tag_type_check_btf", 3772 .key_size = sizeof(int), 3773 .value_size = 4, 3774 .key_type_id = 1, 3775 .value_type_id = 1, 3776 .max_entries = 1, 3777}, 3778{ 3779 .descr = "decl_tag test #5, invalid value", 3780 .raw_types = { 3781 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3782 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 3783 BTF_DECL_TAG_ENC(0, 2, -1), 3784 BTF_END_RAW, 3785 }, 3786 BTF_STR_SEC("\0local\0tag"), 3787 .map_type = BPF_MAP_TYPE_ARRAY, 3788 .map_name = "tag_type_check_btf", 3789 .key_size = sizeof(int), 3790 .value_size = 4, 3791 .key_type_id = 1, 3792 .value_type_id = 1, 3793 .max_entries = 1, 3794 .btf_load_err = true, 3795 .err_str = "Invalid value", 3796}, 3797{ 3798 .descr = "decl_tag test #6, invalid target type", 3799 .raw_types = { 3800 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3801 BTF_DECL_TAG_ENC(NAME_TBD, 1, -1), 3802 BTF_END_RAW, 3803 }, 3804 BTF_STR_SEC("\0tag1"), 3805 .map_type = BPF_MAP_TYPE_ARRAY, 3806 .map_name = "tag_type_check_btf", 3807 .key_size = sizeof(int), 3808 .value_size = 4, 3809 .key_type_id = 1, 3810 .value_type_id = 1, 3811 .max_entries = 1, 3812 .btf_load_err = true, 3813 .err_str = "Invalid type", 3814}, 3815{ 3816 .descr = "decl_tag test #7, invalid vlen", 3817 .raw_types = { 3818 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3819 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 3820 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 1), 2), (0), 3821 BTF_END_RAW, 3822 }, 3823 BTF_STR_SEC("\0local\0tag1"), 3824 .map_type = BPF_MAP_TYPE_ARRAY, 3825 .map_name = "tag_type_check_btf", 3826 .key_size = sizeof(int), 3827 .value_size = 4, 3828 .key_type_id = 1, 3829 .value_type_id = 1, 3830 .max_entries = 1, 3831 .btf_load_err = true, 3832 .err_str = "vlen != 0", 3833}, 3834{ 3835 .descr = "decl_tag test #8, invalid kflag", 3836 .raw_types = { 3837 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3838 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 3839 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 1, 0), 2), (-1), 3840 BTF_END_RAW, 3841 }, 3842 BTF_STR_SEC("\0local\0tag1"), 3843 .map_type = BPF_MAP_TYPE_ARRAY, 3844 .map_name = "tag_type_check_btf", 3845 .key_size = sizeof(int), 3846 .value_size = 4, 3847 .key_type_id = 1, 3848 .value_type_id = 1, 3849 .max_entries = 1, 3850 .btf_load_err = true, 3851 .err_str = "Invalid btf_info kind_flag", 3852}, 3853{ 3854 .descr = "decl_tag test #9, var, invalid component_idx", 3855 .raw_types = { 3856 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3857 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 3858 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), 3859 BTF_END_RAW, 3860 }, 3861 BTF_STR_SEC("\0local\0tag"), 3862 .map_type = BPF_MAP_TYPE_ARRAY, 3863 .map_name = "tag_type_check_btf", 3864 .key_size = sizeof(int), 3865 .value_size = 4, 3866 .key_type_id = 1, 3867 .value_type_id = 1, 3868 .max_entries = 1, 3869 .btf_load_err = true, 3870 .err_str = "Invalid component_idx", 3871}, 3872{ 3873 .descr = "decl_tag test #10, struct member, invalid component_idx", 3874 .raw_types = { 3875 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3876 BTF_STRUCT_ENC(0, 2, 8), /* [2] */ 3877 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 3878 BTF_MEMBER_ENC(NAME_TBD, 1, 32), 3879 BTF_DECL_TAG_ENC(NAME_TBD, 2, 2), 3880 BTF_END_RAW, 3881 }, 3882 BTF_STR_SEC("\0m1\0m2\0tag"), 3883 .map_type = BPF_MAP_TYPE_ARRAY, 3884 .map_name = "tag_type_check_btf", 3885 .key_size = sizeof(int), 3886 .value_size = 8, 3887 .key_type_id = 1, 3888 .value_type_id = 2, 3889 .max_entries = 1, 3890 .btf_load_err = true, 3891 .err_str = "Invalid component_idx", 3892}, 3893{ 3894 .descr = "decl_tag test #11, func parameter, invalid component_idx", 3895 .raw_types = { 3896 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3897 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 3898 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3899 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3900 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 3901 BTF_DECL_TAG_ENC(NAME_TBD, 3, 2), 3902 BTF_END_RAW, 3903 }, 3904 BTF_STR_SEC("\0arg1\0arg2\0f\0tag"), 3905 .map_type = BPF_MAP_TYPE_ARRAY, 3906 .map_name = "tag_type_check_btf", 3907 .key_size = sizeof(int), 3908 .value_size = 4, 3909 .key_type_id = 1, 3910 .value_type_id = 1, 3911 .max_entries = 1, 3912 .btf_load_err = true, 3913 .err_str = "Invalid component_idx", 3914}, 3915{ 3916 .descr = "decl_tag test #12, < -1 component_idx", 3917 .raw_types = { 3918 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3919 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 3920 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3921 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 3922 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 3923 BTF_DECL_TAG_ENC(NAME_TBD, 3, -2), 3924 BTF_END_RAW, 3925 }, 3926 BTF_STR_SEC("\0arg1\0arg2\0f\0tag"), 3927 .map_type = BPF_MAP_TYPE_ARRAY, 3928 .map_name = "tag_type_check_btf", 3929 .key_size = sizeof(int), 3930 .value_size = 4, 3931 .key_type_id = 1, 3932 .value_type_id = 1, 3933 .max_entries = 1, 3934 .btf_load_err = true, 3935 .err_str = "Invalid component_idx", 3936}, 3937{ 3938 .descr = "decl_tag test #13, typedef, well-formed", 3939 .raw_types = { 3940 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3941 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */ 3942 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), 3943 BTF_END_RAW, 3944 }, 3945 BTF_STR_SEC("\0t\0tag"), 3946 .map_type = BPF_MAP_TYPE_ARRAY, 3947 .map_name = "tag_type_check_btf", 3948 .key_size = sizeof(int), 3949 .value_size = 4, 3950 .key_type_id = 1, 3951 .value_type_id = 1, 3952 .max_entries = 1, 3953}, 3954{ 3955 .descr = "decl_tag test #14, typedef, invalid component_idx", 3956 .raw_types = { 3957 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3958 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [2] */ 3959 BTF_DECL_TAG_ENC(NAME_TBD, 2, 0), 3960 BTF_END_RAW, 3961 }, 3962 BTF_STR_SEC("\0local\0tag"), 3963 .map_type = BPF_MAP_TYPE_ARRAY, 3964 .map_name = "tag_type_check_btf", 3965 .key_size = sizeof(int), 3966 .value_size = 4, 3967 .key_type_id = 1, 3968 .value_type_id = 1, 3969 .max_entries = 1, 3970 .btf_load_err = true, 3971 .err_str = "Invalid component_idx", 3972}, 3973{ 3974 .descr = "decl_tag test #15, func, invalid func proto", 3975 .raw_types = { 3976 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3977 BTF_DECL_TAG_ENC(NAME_TBD, 3, 0), /* [2] */ 3978 BTF_FUNC_ENC(NAME_TBD, 8), /* [3] */ 3979 BTF_END_RAW, 3980 }, 3981 BTF_STR_SEC("\0tag\0func"), 3982 .map_type = BPF_MAP_TYPE_ARRAY, 3983 .map_name = "tag_type_check_btf", 3984 .key_size = sizeof(int), 3985 .value_size = 4, 3986 .key_type_id = 1, 3987 .value_type_id = 1, 3988 .max_entries = 1, 3989 .btf_load_err = true, 3990 .err_str = "Invalid type_id", 3991}, 3992{ 3993 .descr = "decl_tag test #16, func proto, return type", 3994 .raw_types = { 3995 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 3996 BTF_VAR_ENC(NAME_TBD, 1, 0), /* [2] */ 3997 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 2), (-1), /* [3] */ 3998 BTF_FUNC_PROTO_ENC(3, 0), /* [4] */ 3999 BTF_END_RAW, 4000 }, 4001 BTF_STR_SEC("\0local\0tag1"), 4002 .btf_load_err = true, 4003 .err_str = "Invalid return type", 4004}, 4005{ 4006 .descr = "decl_tag test #17, func proto, argument", 4007 .raw_types = { 4008 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_DECL_TAG, 0, 0), 4), (-1), /* [1] */ 4009 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_PTR, 0, 0), 0), /* [2] */ 4010 BTF_FUNC_PROTO_ENC(0, 1), /* [3] */ 4011 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 4012 BTF_VAR_ENC(NAME_TBD, 2, 0), /* [4] */ 4013 BTF_END_RAW, 4014 }, 4015 BTF_STR_SEC("\0local\0tag1\0var"), 4016 .btf_load_err = true, 4017 .err_str = "Invalid arg#1", 4018}, 4019{ 4020 .descr = "decl_tag test #18, decl_tag as the map key type", 4021 .raw_types = { 4022 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4023 BTF_STRUCT_ENC(0, 2, 8), /* [2] */ 4024 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 4025 BTF_MEMBER_ENC(NAME_TBD, 1, 32), 4026 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */ 4027 BTF_END_RAW, 4028 }, 4029 BTF_STR_SEC("\0m1\0m2\0tag"), 4030 .map_type = BPF_MAP_TYPE_HASH, 4031 .map_name = "tag_type_check_btf", 4032 .key_size = 8, 4033 .value_size = 4, 4034 .key_type_id = 3, 4035 .value_type_id = 1, 4036 .max_entries = 1, 4037 .map_create_err = true, 4038}, 4039{ 4040 .descr = "decl_tag test #19, decl_tag as the map value type", 4041 .raw_types = { 4042 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4043 BTF_STRUCT_ENC(0, 2, 8), /* [2] */ 4044 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 4045 BTF_MEMBER_ENC(NAME_TBD, 1, 32), 4046 BTF_DECL_TAG_ENC(NAME_TBD, 2, -1), /* [3] */ 4047 BTF_END_RAW, 4048 }, 4049 BTF_STR_SEC("\0m1\0m2\0tag"), 4050 .map_type = BPF_MAP_TYPE_HASH, 4051 .map_name = "tag_type_check_btf", 4052 .key_size = 4, 4053 .value_size = 8, 4054 .key_type_id = 1, 4055 .value_type_id = 3, 4056 .max_entries = 1, 4057 .map_create_err = true, 4058}, 4059{ 4060 .descr = "type_tag test #1", 4061 .raw_types = { 4062 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4063 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [2] */ 4064 BTF_PTR_ENC(2), /* [3] */ 4065 BTF_END_RAW, 4066 }, 4067 BTF_STR_SEC("\0tag"), 4068 .map_type = BPF_MAP_TYPE_ARRAY, 4069 .map_name = "tag_type_check_btf", 4070 .key_size = sizeof(int), 4071 .value_size = 4, 4072 .key_type_id = 1, 4073 .value_type_id = 1, 4074 .max_entries = 1, 4075}, 4076{ 4077 .descr = "type_tag test #2, type tag order", 4078 .raw_types = { 4079 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4080 BTF_CONST_ENC(3), /* [2] */ 4081 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [3] */ 4082 BTF_END_RAW, 4083 }, 4084 BTF_STR_SEC("\0tag"), 4085 .map_type = BPF_MAP_TYPE_ARRAY, 4086 .map_name = "tag_type_check_btf", 4087 .key_size = sizeof(int), 4088 .value_size = 4, 4089 .key_type_id = 1, 4090 .value_type_id = 1, 4091 .max_entries = 1, 4092 .btf_load_err = true, 4093 .err_str = "Type tags don't precede modifiers", 4094}, 4095{ 4096 .descr = "type_tag test #3, type tag order", 4097 .raw_types = { 4098 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4099 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */ 4100 BTF_CONST_ENC(4), /* [3] */ 4101 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */ 4102 BTF_END_RAW, 4103 }, 4104 BTF_STR_SEC("\0tag\0tag"), 4105 .map_type = BPF_MAP_TYPE_ARRAY, 4106 .map_name = "tag_type_check_btf", 4107 .key_size = sizeof(int), 4108 .value_size = 4, 4109 .key_type_id = 1, 4110 .value_type_id = 1, 4111 .max_entries = 1, 4112 .btf_load_err = true, 4113 .err_str = "Type tags don't precede modifiers", 4114}, 4115{ 4116 .descr = "type_tag test #4, type tag order", 4117 .raw_types = { 4118 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4119 BTF_TYPEDEF_ENC(NAME_TBD, 3), /* [2] */ 4120 BTF_CONST_ENC(4), /* [3] */ 4121 BTF_TYPE_TAG_ENC(NAME_TBD, 1), /* [4] */ 4122 BTF_END_RAW, 4123 }, 4124 BTF_STR_SEC("\0tag\0tag"), 4125 .map_type = BPF_MAP_TYPE_ARRAY, 4126 .map_name = "tag_type_check_btf", 4127 .key_size = sizeof(int), 4128 .value_size = 4, 4129 .key_type_id = 1, 4130 .value_type_id = 1, 4131 .max_entries = 1, 4132 .btf_load_err = true, 4133 .err_str = "Type tags don't precede modifiers", 4134}, 4135{ 4136 .descr = "type_tag test #5, type tag order", 4137 .raw_types = { 4138 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4139 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */ 4140 BTF_CONST_ENC(1), /* [3] */ 4141 BTF_TYPE_TAG_ENC(NAME_TBD, 2), /* [4] */ 4142 BTF_END_RAW, 4143 }, 4144 BTF_STR_SEC("\0tag\0tag"), 4145 .map_type = BPF_MAP_TYPE_ARRAY, 4146 .map_name = "tag_type_check_btf", 4147 .key_size = sizeof(int), 4148 .value_size = 4, 4149 .key_type_id = 1, 4150 .value_type_id = 1, 4151 .max_entries = 1, 4152}, 4153{ 4154 .descr = "type_tag test #6, type tag order", 4155 .raw_types = { 4156 BTF_PTR_ENC(2), /* [1] */ 4157 BTF_TYPE_TAG_ENC(NAME_TBD, 3), /* [2] */ 4158 BTF_CONST_ENC(4), /* [3] */ 4159 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */ 4160 BTF_PTR_ENC(6), /* [5] */ 4161 BTF_CONST_ENC(2), /* [6] */ 4162 BTF_END_RAW, 4163 }, 4164 BTF_STR_SEC("\0tag"), 4165 .map_type = BPF_MAP_TYPE_ARRAY, 4166 .map_name = "tag_type_check_btf", 4167 .key_size = sizeof(int), 4168 .value_size = 4, 4169 .key_type_id = 1, 4170 .value_type_id = 1, 4171 .max_entries = 1, 4172 .btf_load_err = true, 4173 .err_str = "Type tags don't precede modifiers", 4174}, 4175{ 4176 .descr = "enum64 test #1, unsigned, size 8", 4177 .raw_types = { 4178 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4179 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [2] */ 4180 BTF_ENUM64_ENC(NAME_TBD, 0, 0), 4181 BTF_ENUM64_ENC(NAME_TBD, 1, 1), 4182 BTF_END_RAW, 4183 }, 4184 BTF_STR_SEC("\0a\0b\0c"), 4185 .map_type = BPF_MAP_TYPE_ARRAY, 4186 .map_name = "tag_type_check_btf", 4187 .key_size = sizeof(int), 4188 .value_size = 8, 4189 .key_type_id = 1, 4190 .value_type_id = 2, 4191 .max_entries = 1, 4192}, 4193{ 4194 .descr = "enum64 test #2, signed, size 4", 4195 .raw_types = { 4196 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 4197 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 1, 2), 4), /* [2] */ 4198 BTF_ENUM64_ENC(NAME_TBD, -1, 0), 4199 BTF_ENUM64_ENC(NAME_TBD, 1, 0), 4200 BTF_END_RAW, 4201 }, 4202 BTF_STR_SEC("\0a\0b\0c"), 4203 .map_type = BPF_MAP_TYPE_ARRAY, 4204 .map_name = "tag_type_check_btf", 4205 .key_size = sizeof(int), 4206 .value_size = 4, 4207 .key_type_id = 1, 4208 .value_type_id = 2, 4209 .max_entries = 1, 4210}, 4211 4212}; /* struct btf_raw_test raw_tests[] */ 4213 4214static const char *get_next_str(const char *start, const char *end) 4215{ 4216 return start < end - 1 ? start + 1 : NULL; 4217} 4218 4219static int get_raw_sec_size(const __u32 *raw_types) 4220{ 4221 int i; 4222 4223 for (i = MAX_NR_RAW_U32 - 1; 4224 i >= 0 && raw_types[i] != BTF_END_RAW; 4225 i--) 4226 ; 4227 4228 return i < 0 ? i : i * sizeof(raw_types[0]); 4229} 4230 4231static void *btf_raw_create(const struct btf_header *hdr, 4232 const __u32 *raw_types, 4233 const char *str, 4234 unsigned int str_sec_size, 4235 unsigned int *btf_size, 4236 const char **ret_next_str) 4237{ 4238 const char *next_str = str, *end_str = str + str_sec_size; 4239 const char **strs_idx = NULL, **tmp_strs_idx; 4240 int strs_cap = 0, strs_cnt = 0, next_str_idx = 0; 4241 unsigned int size_needed, offset; 4242 struct btf_header *ret_hdr; 4243 int i, type_sec_size, err = 0; 4244 uint32_t *ret_types; 4245 void *raw_btf = NULL; 4246 4247 type_sec_size = get_raw_sec_size(raw_types); 4248 if (CHECK(type_sec_size < 0, "Cannot get nr_raw_types")) 4249 return NULL; 4250 4251 size_needed = sizeof(*hdr) + type_sec_size + str_sec_size; 4252 raw_btf = malloc(size_needed); 4253 if (CHECK(!raw_btf, "Cannot allocate memory for raw_btf")) 4254 return NULL; 4255 4256 /* Copy header */ 4257 memcpy(raw_btf, hdr, sizeof(*hdr)); 4258 offset = sizeof(*hdr); 4259 4260 /* Index strings */ 4261 while ((next_str = get_next_str(next_str, end_str))) { 4262 if (strs_cnt == strs_cap) { 4263 strs_cap += max(16, strs_cap / 2); 4264 tmp_strs_idx = realloc(strs_idx, 4265 sizeof(*strs_idx) * strs_cap); 4266 if (CHECK(!tmp_strs_idx, 4267 "Cannot allocate memory for strs_idx")) { 4268 err = -1; 4269 goto done; 4270 } 4271 strs_idx = tmp_strs_idx; 4272 } 4273 strs_idx[strs_cnt++] = next_str; 4274 next_str += strlen(next_str); 4275 } 4276 4277 /* Copy type section */ 4278 ret_types = raw_btf + offset; 4279 for (i = 0; i < type_sec_size / sizeof(raw_types[0]); i++) { 4280 if (raw_types[i] == NAME_TBD) { 4281 if (CHECK(next_str_idx == strs_cnt, 4282 "Error in getting next_str #%d", 4283 next_str_idx)) { 4284 err = -1; 4285 goto done; 4286 } 4287 ret_types[i] = strs_idx[next_str_idx++] - str; 4288 } else if (IS_NAME_NTH(raw_types[i])) { 4289 int idx = GET_NAME_NTH_IDX(raw_types[i]); 4290 4291 if (CHECK(idx <= 0 || idx > strs_cnt, 4292 "Error getting string #%d, strs_cnt:%d", 4293 idx, strs_cnt)) { 4294 err = -1; 4295 goto done; 4296 } 4297 ret_types[i] = strs_idx[idx-1] - str; 4298 } else { 4299 ret_types[i] = raw_types[i]; 4300 } 4301 } 4302 offset += type_sec_size; 4303 4304 /* Copy string section */ 4305 memcpy(raw_btf + offset, str, str_sec_size); 4306 4307 ret_hdr = (struct btf_header *)raw_btf; 4308 ret_hdr->type_len = type_sec_size; 4309 ret_hdr->str_off = type_sec_size; 4310 ret_hdr->str_len = str_sec_size; 4311 4312 *btf_size = size_needed; 4313 if (ret_next_str) 4314 *ret_next_str = 4315 next_str_idx < strs_cnt ? strs_idx[next_str_idx] : NULL; 4316 4317done: 4318 free(strs_idx); 4319 if (err) { 4320 free(raw_btf); 4321 return NULL; 4322 } 4323 return raw_btf; 4324} 4325 4326static int load_raw_btf(const void *raw_data, size_t raw_size) 4327{ 4328 LIBBPF_OPTS(bpf_btf_load_opts, opts); 4329 int btf_fd; 4330 4331 if (always_log) { 4332 opts.log_buf = btf_log_buf, 4333 opts.log_size = BTF_LOG_BUF_SIZE, 4334 opts.log_level = 1; 4335 } 4336 4337 btf_fd = bpf_btf_load(raw_data, raw_size, &opts); 4338 if (btf_fd < 0 && !always_log) { 4339 opts.log_buf = btf_log_buf, 4340 opts.log_size = BTF_LOG_BUF_SIZE, 4341 opts.log_level = 1; 4342 btf_fd = bpf_btf_load(raw_data, raw_size, &opts); 4343 } 4344 4345 return btf_fd; 4346} 4347 4348static void do_test_raw(unsigned int test_num) 4349{ 4350 struct btf_raw_test *test = &raw_tests[test_num - 1]; 4351 LIBBPF_OPTS(bpf_map_create_opts, opts); 4352 int map_fd = -1, btf_fd = -1; 4353 unsigned int raw_btf_size; 4354 struct btf_header *hdr; 4355 void *raw_btf; 4356 int err; 4357 4358 if (!test__start_subtest(test->descr)) 4359 return; 4360 4361 raw_btf = btf_raw_create(&hdr_tmpl, 4362 test->raw_types, 4363 test->str_sec, 4364 test->str_sec_size, 4365 &raw_btf_size, NULL); 4366 if (!raw_btf) 4367 return; 4368 4369 hdr = raw_btf; 4370 4371 hdr->hdr_len = (int)hdr->hdr_len + test->hdr_len_delta; 4372 hdr->type_off = (int)hdr->type_off + test->type_off_delta; 4373 hdr->str_off = (int)hdr->str_off + test->str_off_delta; 4374 hdr->str_len = (int)hdr->str_len + test->str_len_delta; 4375 4376 *btf_log_buf = '\0'; 4377 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 4378 free(raw_btf); 4379 4380 err = ((btf_fd < 0) != test->btf_load_err); 4381 if (CHECK(err, "btf_fd:%d test->btf_load_err:%u", 4382 btf_fd, test->btf_load_err) || 4383 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str), 4384 "expected err_str:%s\n", test->err_str)) { 4385 err = -1; 4386 goto done; 4387 } 4388 4389 if (err || btf_fd < 0) 4390 goto done; 4391 4392 if (!test->map_type) 4393 goto done; 4394 4395 opts.btf_fd = btf_fd; 4396 opts.btf_key_type_id = test->key_type_id; 4397 opts.btf_value_type_id = test->value_type_id; 4398 map_fd = bpf_map_create(test->map_type, test->map_name, 4399 test->key_size, test->value_size, test->max_entries, &opts); 4400 4401 err = ((map_fd < 0) != test->map_create_err); 4402 CHECK(err, "map_fd:%d test->map_create_err:%u", 4403 map_fd, test->map_create_err); 4404 4405done: 4406 if (*btf_log_buf && (err || always_log)) 4407 fprintf(stderr, "\n%s", btf_log_buf); 4408 if (btf_fd >= 0) 4409 close(btf_fd); 4410 if (map_fd >= 0) 4411 close(map_fd); 4412} 4413 4414struct btf_get_info_test { 4415 const char *descr; 4416 const char *str_sec; 4417 __u32 raw_types[MAX_NR_RAW_U32]; 4418 __u32 str_sec_size; 4419 int btf_size_delta; 4420 int (*special_test)(unsigned int test_num); 4421}; 4422 4423static int test_big_btf_info(unsigned int test_num); 4424static int test_btf_id(unsigned int test_num); 4425 4426const struct btf_get_info_test get_info_tests[] = { 4427{ 4428 .descr = "== raw_btf_size+1", 4429 .raw_types = { 4430 /* int */ /* [1] */ 4431 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 4432 BTF_END_RAW, 4433 }, 4434 .str_sec = "", 4435 .str_sec_size = sizeof(""), 4436 .btf_size_delta = 1, 4437}, 4438{ 4439 .descr = "== raw_btf_size-3", 4440 .raw_types = { 4441 /* int */ /* [1] */ 4442 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 4443 BTF_END_RAW, 4444 }, 4445 .str_sec = "", 4446 .str_sec_size = sizeof(""), 4447 .btf_size_delta = -3, 4448}, 4449{ 4450 .descr = "Large bpf_btf_info", 4451 .raw_types = { 4452 /* int */ /* [1] */ 4453 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 4454 BTF_END_RAW, 4455 }, 4456 .str_sec = "", 4457 .str_sec_size = sizeof(""), 4458 .special_test = test_big_btf_info, 4459}, 4460{ 4461 .descr = "BTF ID", 4462 .raw_types = { 4463 /* int */ /* [1] */ 4464 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), 4465 /* unsigned int */ /* [2] */ 4466 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), 4467 BTF_END_RAW, 4468 }, 4469 .str_sec = "", 4470 .str_sec_size = sizeof(""), 4471 .special_test = test_btf_id, 4472}, 4473}; 4474 4475static int test_big_btf_info(unsigned int test_num) 4476{ 4477 const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; 4478 uint8_t *raw_btf = NULL, *user_btf = NULL; 4479 unsigned int raw_btf_size; 4480 struct { 4481 struct bpf_btf_info info; 4482 uint64_t garbage; 4483 } info_garbage; 4484 struct bpf_btf_info *info; 4485 int btf_fd = -1, err; 4486 uint32_t info_len; 4487 4488 raw_btf = btf_raw_create(&hdr_tmpl, 4489 test->raw_types, 4490 test->str_sec, 4491 test->str_sec_size, 4492 &raw_btf_size, NULL); 4493 4494 if (!raw_btf) 4495 return -1; 4496 4497 *btf_log_buf = '\0'; 4498 4499 user_btf = malloc(raw_btf_size); 4500 if (CHECK(!user_btf, "!user_btf")) { 4501 err = -1; 4502 goto done; 4503 } 4504 4505 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 4506 if (CHECK(btf_fd < 0, "errno:%d", errno)) { 4507 err = -1; 4508 goto done; 4509 } 4510 4511 /* 4512 * GET_INFO should error out if the userspace info 4513 * has non zero tailing bytes. 4514 */ 4515 info = &info_garbage.info; 4516 memset(info, 0, sizeof(*info)); 4517 info_garbage.garbage = 0xdeadbeef; 4518 info_len = sizeof(info_garbage); 4519 info->btf = ptr_to_u64(user_btf); 4520 info->btf_size = raw_btf_size; 4521 4522 err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len); 4523 if (CHECK(!err, "!err")) { 4524 err = -1; 4525 goto done; 4526 } 4527 4528 /* 4529 * GET_INFO should succeed even info_len is larger than 4530 * the kernel supported as long as tailing bytes are zero. 4531 * The kernel supported info len should also be returned 4532 * to userspace. 4533 */ 4534 info_garbage.garbage = 0; 4535 err = bpf_btf_get_info_by_fd(btf_fd, info, &info_len); 4536 if (CHECK(err || info_len != sizeof(*info), 4537 "err:%d errno:%d info_len:%u sizeof(*info):%zu", 4538 err, errno, info_len, sizeof(*info))) { 4539 err = -1; 4540 goto done; 4541 } 4542 4543 fprintf(stderr, "OK"); 4544 4545done: 4546 if (*btf_log_buf && (err || always_log)) 4547 fprintf(stderr, "\n%s", btf_log_buf); 4548 4549 free(raw_btf); 4550 free(user_btf); 4551 4552 if (btf_fd >= 0) 4553 close(btf_fd); 4554 4555 return err; 4556} 4557 4558static int test_btf_id(unsigned int test_num) 4559{ 4560 const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; 4561 LIBBPF_OPTS(bpf_map_create_opts, opts); 4562 uint8_t *raw_btf = NULL, *user_btf[2] = {}; 4563 int btf_fd[2] = {-1, -1}, map_fd = -1; 4564 struct bpf_map_info map_info = {}; 4565 struct bpf_btf_info info[2] = {}; 4566 unsigned int raw_btf_size; 4567 uint32_t info_len; 4568 int err, i, ret; 4569 4570 raw_btf = btf_raw_create(&hdr_tmpl, 4571 test->raw_types, 4572 test->str_sec, 4573 test->str_sec_size, 4574 &raw_btf_size, NULL); 4575 4576 if (!raw_btf) 4577 return -1; 4578 4579 *btf_log_buf = '\0'; 4580 4581 for (i = 0; i < 2; i++) { 4582 user_btf[i] = malloc(raw_btf_size); 4583 if (CHECK(!user_btf[i], "!user_btf[%d]", i)) { 4584 err = -1; 4585 goto done; 4586 } 4587 info[i].btf = ptr_to_u64(user_btf[i]); 4588 info[i].btf_size = raw_btf_size; 4589 } 4590 4591 btf_fd[0] = load_raw_btf(raw_btf, raw_btf_size); 4592 if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) { 4593 err = -1; 4594 goto done; 4595 } 4596 4597 /* Test BPF_OBJ_GET_INFO_BY_ID on btf_id */ 4598 info_len = sizeof(info[0]); 4599 err = bpf_btf_get_info_by_fd(btf_fd[0], &info[0], &info_len); 4600 if (CHECK(err, "errno:%d", errno)) { 4601 err = -1; 4602 goto done; 4603 } 4604 4605 btf_fd[1] = bpf_btf_get_fd_by_id(info[0].id); 4606 if (CHECK(btf_fd[1] < 0, "errno:%d", errno)) { 4607 err = -1; 4608 goto done; 4609 } 4610 4611 ret = 0; 4612 err = bpf_btf_get_info_by_fd(btf_fd[1], &info[1], &info_len); 4613 if (CHECK(err || info[0].id != info[1].id || 4614 info[0].btf_size != info[1].btf_size || 4615 (ret = memcmp(user_btf[0], user_btf[1], info[0].btf_size)), 4616 "err:%d errno:%d id0:%u id1:%u btf_size0:%u btf_size1:%u memcmp:%d", 4617 err, errno, info[0].id, info[1].id, 4618 info[0].btf_size, info[1].btf_size, ret)) { 4619 err = -1; 4620 goto done; 4621 } 4622 4623 /* Test btf members in struct bpf_map_info */ 4624 opts.btf_fd = btf_fd[0]; 4625 opts.btf_key_type_id = 1; 4626 opts.btf_value_type_id = 2; 4627 map_fd = bpf_map_create(BPF_MAP_TYPE_ARRAY, "test_btf_id", 4628 sizeof(int), sizeof(int), 4, &opts); 4629 if (CHECK(map_fd < 0, "errno:%d", errno)) { 4630 err = -1; 4631 goto done; 4632 } 4633 4634 info_len = sizeof(map_info); 4635 err = bpf_map_get_info_by_fd(map_fd, &map_info, &info_len); 4636 if (CHECK(err || map_info.btf_id != info[0].id || 4637 map_info.btf_key_type_id != 1 || map_info.btf_value_type_id != 2, 4638 "err:%d errno:%d info.id:%u btf_id:%u btf_key_type_id:%u btf_value_type_id:%u", 4639 err, errno, info[0].id, map_info.btf_id, map_info.btf_key_type_id, 4640 map_info.btf_value_type_id)) { 4641 err = -1; 4642 goto done; 4643 } 4644 4645 for (i = 0; i < 2; i++) { 4646 close(btf_fd[i]); 4647 btf_fd[i] = -1; 4648 } 4649 4650 /* Test BTF ID is removed from the kernel */ 4651 btf_fd[0] = bpf_btf_get_fd_by_id(map_info.btf_id); 4652 if (CHECK(btf_fd[0] < 0, "errno:%d", errno)) { 4653 err = -1; 4654 goto done; 4655 } 4656 close(btf_fd[0]); 4657 btf_fd[0] = -1; 4658 4659 /* The map holds the last ref to BTF and its btf_id */ 4660 close(map_fd); 4661 map_fd = -1; 4662 4663 fprintf(stderr, "OK"); 4664 4665done: 4666 if (*btf_log_buf && (err || always_log)) 4667 fprintf(stderr, "\n%s", btf_log_buf); 4668 4669 free(raw_btf); 4670 if (map_fd >= 0) 4671 close(map_fd); 4672 for (i = 0; i < 2; i++) { 4673 free(user_btf[i]); 4674 if (btf_fd[i] >= 0) 4675 close(btf_fd[i]); 4676 } 4677 4678 return err; 4679} 4680 4681static void do_test_get_info(unsigned int test_num) 4682{ 4683 const struct btf_get_info_test *test = &get_info_tests[test_num - 1]; 4684 unsigned int raw_btf_size, user_btf_size, expected_nbytes; 4685 uint8_t *raw_btf = NULL, *user_btf = NULL; 4686 struct bpf_btf_info info = {}; 4687 int btf_fd = -1, err, ret; 4688 uint32_t info_len; 4689 4690 if (!test__start_subtest(test->descr)) 4691 return; 4692 4693 if (test->special_test) { 4694 err = test->special_test(test_num); 4695 if (CHECK(err, "failed: %d\n", err)) 4696 return; 4697 } 4698 4699 raw_btf = btf_raw_create(&hdr_tmpl, 4700 test->raw_types, 4701 test->str_sec, 4702 test->str_sec_size, 4703 &raw_btf_size, NULL); 4704 4705 if (!raw_btf) 4706 return; 4707 4708 *btf_log_buf = '\0'; 4709 4710 user_btf = malloc(raw_btf_size); 4711 if (CHECK(!user_btf, "!user_btf")) { 4712 err = -1; 4713 goto done; 4714 } 4715 4716 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 4717 if (CHECK(btf_fd <= 0, "errno:%d", errno)) { 4718 err = -1; 4719 goto done; 4720 } 4721 4722 user_btf_size = (int)raw_btf_size + test->btf_size_delta; 4723 expected_nbytes = min(raw_btf_size, user_btf_size); 4724 if (raw_btf_size > expected_nbytes) 4725 memset(user_btf + expected_nbytes, 0xff, 4726 raw_btf_size - expected_nbytes); 4727 4728 info_len = sizeof(info); 4729 info.btf = ptr_to_u64(user_btf); 4730 info.btf_size = user_btf_size; 4731 4732 ret = 0; 4733 err = bpf_btf_get_info_by_fd(btf_fd, &info, &info_len); 4734 if (CHECK(err || !info.id || info_len != sizeof(info) || 4735 info.btf_size != raw_btf_size || 4736 (ret = memcmp(raw_btf, user_btf, expected_nbytes)), 4737 "err:%d errno:%d info.id:%u info_len:%u sizeof(info):%zu raw_btf_size:%u info.btf_size:%u expected_nbytes:%u memcmp:%d", 4738 err, errno, info.id, info_len, sizeof(info), 4739 raw_btf_size, info.btf_size, expected_nbytes, ret)) { 4740 err = -1; 4741 goto done; 4742 } 4743 4744 while (expected_nbytes < raw_btf_size) { 4745 fprintf(stderr, "%u...", expected_nbytes); 4746 if (CHECK(user_btf[expected_nbytes++] != 0xff, 4747 "user_btf[%u]:%x != 0xff", expected_nbytes - 1, 4748 user_btf[expected_nbytes - 1])) { 4749 err = -1; 4750 goto done; 4751 } 4752 } 4753 4754 fprintf(stderr, "OK"); 4755 4756done: 4757 if (*btf_log_buf && (err || always_log)) 4758 fprintf(stderr, "\n%s", btf_log_buf); 4759 4760 free(raw_btf); 4761 free(user_btf); 4762 4763 if (btf_fd >= 0) 4764 close(btf_fd); 4765} 4766 4767struct btf_file_test { 4768 const char *file; 4769 bool btf_kv_notfound; 4770}; 4771 4772static struct btf_file_test file_tests[] = { 4773 { .file = "test_btf_newkv.bpf.o", }, 4774 { .file = "test_btf_nokv.bpf.o", .btf_kv_notfound = true, }, 4775}; 4776 4777static void do_test_file(unsigned int test_num) 4778{ 4779 const struct btf_file_test *test = &file_tests[test_num - 1]; 4780 const char *expected_fnames[] = {"_dummy_tracepoint", 4781 "test_long_fname_1", 4782 "test_long_fname_2"}; 4783 struct btf_ext *btf_ext = NULL; 4784 struct bpf_prog_info info = {}; 4785 struct bpf_object *obj = NULL; 4786 struct bpf_func_info *finfo; 4787 struct bpf_program *prog; 4788 __u32 info_len, rec_size; 4789 bool has_btf_ext = false; 4790 struct btf *btf = NULL; 4791 void *func_info = NULL; 4792 struct bpf_map *map; 4793 int i, err, prog_fd; 4794 4795 if (!test__start_subtest(test->file)) 4796 return; 4797 4798 btf = btf__parse_elf(test->file, &btf_ext); 4799 err = libbpf_get_error(btf); 4800 if (err) { 4801 if (err == -ENOENT) { 4802 printf("%s:SKIP: No ELF %s found", __func__, BTF_ELF_SEC); 4803 test__skip(); 4804 return; 4805 } 4806 return; 4807 } 4808 btf__free(btf); 4809 4810 has_btf_ext = btf_ext != NULL; 4811 btf_ext__free(btf_ext); 4812 4813 /* temporary disable LIBBPF_STRICT_MAP_DEFINITIONS to test legacy maps */ 4814 libbpf_set_strict_mode(LIBBPF_STRICT_ALL & ~LIBBPF_STRICT_MAP_DEFINITIONS); 4815 obj = bpf_object__open(test->file); 4816 err = libbpf_get_error(obj); 4817 if (CHECK(err, "obj: %d", err)) 4818 return; 4819 4820 prog = bpf_object__next_program(obj, NULL); 4821 if (CHECK(!prog, "Cannot find bpf_prog")) { 4822 err = -1; 4823 goto done; 4824 } 4825 4826 bpf_program__set_type(prog, BPF_PROG_TYPE_TRACEPOINT); 4827 err = bpf_object__load(obj); 4828 if (CHECK(err < 0, "bpf_object__load: %d", err)) 4829 goto done; 4830 prog_fd = bpf_program__fd(prog); 4831 4832 map = bpf_object__find_map_by_name(obj, "btf_map"); 4833 if (CHECK(!map, "btf_map not found")) { 4834 err = -1; 4835 goto done; 4836 } 4837 4838 err = (bpf_map__btf_key_type_id(map) == 0 || bpf_map__btf_value_type_id(map) == 0) 4839 != test->btf_kv_notfound; 4840 if (CHECK(err, "btf_key_type_id:%u btf_value_type_id:%u test->btf_kv_notfound:%u", 4841 bpf_map__btf_key_type_id(map), bpf_map__btf_value_type_id(map), 4842 test->btf_kv_notfound)) 4843 goto done; 4844 4845 if (!has_btf_ext) 4846 goto skip; 4847 4848 /* get necessary program info */ 4849 info_len = sizeof(struct bpf_prog_info); 4850 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 4851 4852 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) { 4853 fprintf(stderr, "%s\n", btf_log_buf); 4854 err = -1; 4855 goto done; 4856 } 4857 if (CHECK(info.nr_func_info != 3, 4858 "incorrect info.nr_func_info (1st) %d", 4859 info.nr_func_info)) { 4860 err = -1; 4861 goto done; 4862 } 4863 rec_size = info.func_info_rec_size; 4864 if (CHECK(rec_size != sizeof(struct bpf_func_info), 4865 "incorrect info.func_info_rec_size (1st) %d\n", rec_size)) { 4866 err = -1; 4867 goto done; 4868 } 4869 4870 func_info = malloc(info.nr_func_info * rec_size); 4871 if (CHECK(!func_info, "out of memory")) { 4872 err = -1; 4873 goto done; 4874 } 4875 4876 /* reset info to only retrieve func_info related data */ 4877 memset(&info, 0, sizeof(info)); 4878 info.nr_func_info = 3; 4879 info.func_info_rec_size = rec_size; 4880 info.func_info = ptr_to_u64(func_info); 4881 4882 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 4883 4884 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) { 4885 fprintf(stderr, "%s\n", btf_log_buf); 4886 err = -1; 4887 goto done; 4888 } 4889 if (CHECK(info.nr_func_info != 3, 4890 "incorrect info.nr_func_info (2nd) %d", 4891 info.nr_func_info)) { 4892 err = -1; 4893 goto done; 4894 } 4895 if (CHECK(info.func_info_rec_size != rec_size, 4896 "incorrect info.func_info_rec_size (2nd) %d", 4897 info.func_info_rec_size)) { 4898 err = -1; 4899 goto done; 4900 } 4901 4902 btf = btf__load_from_kernel_by_id(info.btf_id); 4903 err = libbpf_get_error(btf); 4904 if (CHECK(err, "cannot get btf from kernel, err: %d", err)) 4905 goto done; 4906 4907 /* check three functions */ 4908 finfo = func_info; 4909 for (i = 0; i < 3; i++) { 4910 const struct btf_type *t; 4911 const char *fname; 4912 4913 t = btf__type_by_id(btf, finfo->type_id); 4914 if (CHECK(!t, "btf__type_by_id failure: id %u", 4915 finfo->type_id)) { 4916 err = -1; 4917 goto done; 4918 } 4919 4920 fname = btf__name_by_offset(btf, t->name_off); 4921 err = strcmp(fname, expected_fnames[i]); 4922 /* for the second and third functions in .text section, 4923 * the compiler may order them either way. 4924 */ 4925 if (i && err) 4926 err = strcmp(fname, expected_fnames[3 - i]); 4927 if (CHECK(err, "incorrect fname %s", fname ? : "")) { 4928 err = -1; 4929 goto done; 4930 } 4931 4932 finfo = (void *)finfo + rec_size; 4933 } 4934 4935skip: 4936 fprintf(stderr, "OK"); 4937 4938done: 4939 libbpf_set_strict_mode(LIBBPF_STRICT_ALL); 4940 4941 btf__free(btf); 4942 free(func_info); 4943 bpf_object__close(obj); 4944} 4945 4946const char *pprint_enum_str[] = { 4947 "ENUM_ZERO", 4948 "ENUM_ONE", 4949 "ENUM_TWO", 4950 "ENUM_THREE", 4951}; 4952 4953struct pprint_mapv { 4954 uint32_t ui32; 4955 uint16_t ui16; 4956 /* 2 bytes hole */ 4957 int32_t si32; 4958 uint32_t unused_bits2a:2, 4959 bits28:28, 4960 unused_bits2b:2; 4961 union { 4962 uint64_t ui64; 4963 uint8_t ui8a[8]; 4964 }; 4965 enum { 4966 ENUM_ZERO, 4967 ENUM_ONE, 4968 ENUM_TWO, 4969 ENUM_THREE, 4970 } aenum; 4971 uint32_t ui32b; 4972 uint32_t bits2c:2; 4973 uint8_t si8_4[2][2]; 4974}; 4975 4976#ifdef __SIZEOF_INT128__ 4977struct pprint_mapv_int128 { 4978 __int128 si128a; 4979 __int128 si128b; 4980 unsigned __int128 bits3:3; 4981 unsigned __int128 bits80:80; 4982 unsigned __int128 ui128; 4983}; 4984#endif 4985 4986static struct btf_raw_test pprint_test_template[] = { 4987{ 4988 .raw_types = { 4989 /* unsighed char */ /* [1] */ 4990 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 4991 /* unsigned short */ /* [2] */ 4992 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 4993 /* unsigned int */ /* [3] */ 4994 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 4995 /* int */ /* [4] */ 4996 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 4997 /* unsigned long long */ /* [5] */ 4998 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 4999 /* 2 bits */ /* [6] */ 5000 BTF_TYPE_INT_ENC(0, 0, 0, 2, 2), 5001 /* 28 bits */ /* [7] */ 5002 BTF_TYPE_INT_ENC(0, 0, 0, 28, 4), 5003 /* uint8_t[8] */ /* [8] */ 5004 BTF_TYPE_ARRAY_ENC(9, 1, 8), 5005 /* typedef unsigned char uint8_t */ /* [9] */ 5006 BTF_TYPEDEF_ENC(NAME_TBD, 1), 5007 /* typedef unsigned short uint16_t */ /* [10] */ 5008 BTF_TYPEDEF_ENC(NAME_TBD, 2), 5009 /* typedef unsigned int uint32_t */ /* [11] */ 5010 BTF_TYPEDEF_ENC(NAME_TBD, 3), 5011 /* typedef int int32_t */ /* [12] */ 5012 BTF_TYPEDEF_ENC(NAME_TBD, 4), 5013 /* typedef unsigned long long uint64_t *//* [13] */ 5014 BTF_TYPEDEF_ENC(NAME_TBD, 5), 5015 /* union (anon) */ /* [14] */ 5016 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 5017 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 5018 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 5019 /* enum (anon) */ /* [15] */ 5020 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 5021 BTF_ENUM_ENC(NAME_TBD, 0), 5022 BTF_ENUM_ENC(NAME_TBD, 1), 5023 BTF_ENUM_ENC(NAME_TBD, 2), 5024 BTF_ENUM_ENC(NAME_TBD, 3), 5025 /* struct pprint_mapv */ /* [16] */ 5026 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 11), 40), 5027 BTF_MEMBER_ENC(NAME_TBD, 11, 0), /* uint32_t ui32 */ 5028 BTF_MEMBER_ENC(NAME_TBD, 10, 32), /* uint16_t ui16 */ 5029 BTF_MEMBER_ENC(NAME_TBD, 12, 64), /* int32_t si32 */ 5030 BTF_MEMBER_ENC(NAME_TBD, 6, 96), /* unused_bits2a */ 5031 BTF_MEMBER_ENC(NAME_TBD, 7, 98), /* bits28 */ 5032 BTF_MEMBER_ENC(NAME_TBD, 6, 126), /* unused_bits2b */ 5033 BTF_MEMBER_ENC(0, 14, 128), /* union (anon) */ 5034 BTF_MEMBER_ENC(NAME_TBD, 15, 192), /* aenum */ 5035 BTF_MEMBER_ENC(NAME_TBD, 11, 224), /* uint32_t ui32b */ 5036 BTF_MEMBER_ENC(NAME_TBD, 6, 256), /* bits2c */ 5037 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */ 5038 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */ 5039 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */ 5040 BTF_END_RAW, 5041 }, 5042 BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0si8_4"), 5043 .key_size = sizeof(unsigned int), 5044 .value_size = sizeof(struct pprint_mapv), 5045 .key_type_id = 3, /* unsigned int */ 5046 .value_type_id = 16, /* struct pprint_mapv */ 5047 .max_entries = 128, 5048}, 5049 5050{ 5051 /* this type will have the same type as the 5052 * first .raw_types definition, but struct type will 5053 * be encoded with kind_flag set. 5054 */ 5055 .raw_types = { 5056 /* unsighed char */ /* [1] */ 5057 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 5058 /* unsigned short */ /* [2] */ 5059 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 5060 /* unsigned int */ /* [3] */ 5061 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 5062 /* int */ /* [4] */ 5063 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 5064 /* unsigned long long */ /* [5] */ 5065 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 5066 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */ 5067 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */ 5068 /* uint8_t[8] */ /* [8] */ 5069 BTF_TYPE_ARRAY_ENC(9, 1, 8), 5070 /* typedef unsigned char uint8_t */ /* [9] */ 5071 BTF_TYPEDEF_ENC(NAME_TBD, 1), 5072 /* typedef unsigned short uint16_t */ /* [10] */ 5073 BTF_TYPEDEF_ENC(NAME_TBD, 2), 5074 /* typedef unsigned int uint32_t */ /* [11] */ 5075 BTF_TYPEDEF_ENC(NAME_TBD, 3), 5076 /* typedef int int32_t */ /* [12] */ 5077 BTF_TYPEDEF_ENC(NAME_TBD, 4), 5078 /* typedef unsigned long long uint64_t *//* [13] */ 5079 BTF_TYPEDEF_ENC(NAME_TBD, 5), 5080 /* union (anon) */ /* [14] */ 5081 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 5082 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 5083 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 5084 /* enum (anon) */ /* [15] */ 5085 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 5086 BTF_ENUM_ENC(NAME_TBD, 0), 5087 BTF_ENUM_ENC(NAME_TBD, 1), 5088 BTF_ENUM_ENC(NAME_TBD, 2), 5089 BTF_ENUM_ENC(NAME_TBD, 3), 5090 /* struct pprint_mapv */ /* [16] */ 5091 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40), 5092 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */ 5093 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */ 5094 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */ 5095 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */ 5096 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */ 5097 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 126)), /* unused_bits2b */ 5098 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */ 5099 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */ 5100 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */ 5101 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */ 5102 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */ 5103 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */ 5104 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */ 5105 BTF_END_RAW, 5106 }, 5107 BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0si8_4"), 5108 .key_size = sizeof(unsigned int), 5109 .value_size = sizeof(struct pprint_mapv), 5110 .key_type_id = 3, /* unsigned int */ 5111 .value_type_id = 16, /* struct pprint_mapv */ 5112 .max_entries = 128, 5113}, 5114 5115{ 5116 /* this type will have the same layout as the 5117 * first .raw_types definition. The struct type will 5118 * be encoded with kind_flag set, bitfield members 5119 * are added typedef/const/volatile, and bitfield members 5120 * will have both int and enum types. 5121 */ 5122 .raw_types = { 5123 /* unsighed char */ /* [1] */ 5124 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 5125 /* unsigned short */ /* [2] */ 5126 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 5127 /* unsigned int */ /* [3] */ 5128 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 5129 /* int */ /* [4] */ 5130 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 5131 /* unsigned long long */ /* [5] */ 5132 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 5133 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */ 5134 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */ 5135 /* uint8_t[8] */ /* [8] */ 5136 BTF_TYPE_ARRAY_ENC(9, 1, 8), 5137 /* typedef unsigned char uint8_t */ /* [9] */ 5138 BTF_TYPEDEF_ENC(NAME_TBD, 1), 5139 /* typedef unsigned short uint16_t */ /* [10] */ 5140 BTF_TYPEDEF_ENC(NAME_TBD, 2), 5141 /* typedef unsigned int uint32_t */ /* [11] */ 5142 BTF_TYPEDEF_ENC(NAME_TBD, 3), 5143 /* typedef int int32_t */ /* [12] */ 5144 BTF_TYPEDEF_ENC(NAME_TBD, 4), 5145 /* typedef unsigned long long uint64_t *//* [13] */ 5146 BTF_TYPEDEF_ENC(NAME_TBD, 5), 5147 /* union (anon) */ /* [14] */ 5148 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 5149 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 5150 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 5151 /* enum (anon) */ /* [15] */ 5152 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 5153 BTF_ENUM_ENC(NAME_TBD, 0), 5154 BTF_ENUM_ENC(NAME_TBD, 1), 5155 BTF_ENUM_ENC(NAME_TBD, 2), 5156 BTF_ENUM_ENC(NAME_TBD, 3), 5157 /* struct pprint_mapv */ /* [16] */ 5158 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40), 5159 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */ 5160 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */ 5161 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */ 5162 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */ 5163 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */ 5164 BTF_MEMBER_ENC(NAME_TBD, 19, BTF_MEMBER_OFFSET(2, 126)),/* unused_bits2b */ 5165 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */ 5166 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */ 5167 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */ 5168 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */ 5169 BTF_MEMBER_ENC(NAME_TBD, 20, BTF_MEMBER_OFFSET(0, 264)), /* si8_4 */ 5170 /* typedef unsigned int ___int */ /* [17] */ 5171 BTF_TYPEDEF_ENC(NAME_TBD, 18), 5172 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 6), /* [18] */ 5173 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 15), /* [19] */ 5174 BTF_TYPE_ARRAY_ENC(21, 1, 2), /* [20] */ 5175 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [21] */ 5176 BTF_END_RAW, 5177 }, 5178 BTF_STR_SEC("\0unsigned char\0unsigned short\0unsigned int\0int\0unsigned long long\0uint8_t\0uint16_t\0uint32_t\0int32_t\0uint64_t\0ui64\0ui8a\0ENUM_ZERO\0ENUM_ONE\0ENUM_TWO\0ENUM_THREE\0pprint_mapv\0ui32\0ui16\0si32\0unused_bits2a\0bits28\0unused_bits2b\0aenum\0ui32b\0bits2c\0___int\0si8_4"), 5179 .key_size = sizeof(unsigned int), 5180 .value_size = sizeof(struct pprint_mapv), 5181 .key_type_id = 3, /* unsigned int */ 5182 .value_type_id = 16, /* struct pprint_mapv */ 5183 .max_entries = 128, 5184}, 5185 5186#ifdef __SIZEOF_INT128__ 5187{ 5188 /* test int128 */ 5189 .raw_types = { 5190 /* unsigned int */ /* [1] */ 5191 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 5192 /* __int128 */ /* [2] */ 5193 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 128, 16), 5194 /* unsigned __int128 */ /* [3] */ 5195 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 128, 16), 5196 /* struct pprint_mapv_int128 */ /* [4] */ 5197 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 5), 64), 5198 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), /* si128a */ 5199 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 128)), /* si128b */ 5200 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(3, 256)), /* bits3 */ 5201 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(80, 259)), /* bits80 */ 5202 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(0, 384)), /* ui128 */ 5203 BTF_END_RAW, 5204 }, 5205 BTF_STR_SEC("\0unsigned int\0__int128\0unsigned __int128\0pprint_mapv_int128\0si128a\0si128b\0bits3\0bits80\0ui128"), 5206 .key_size = sizeof(unsigned int), 5207 .value_size = sizeof(struct pprint_mapv_int128), 5208 .key_type_id = 1, 5209 .value_type_id = 4, 5210 .max_entries = 128, 5211 .mapv_kind = PPRINT_MAPV_KIND_INT128, 5212}, 5213#endif 5214 5215}; 5216 5217static struct btf_pprint_test_meta { 5218 const char *descr; 5219 enum bpf_map_type map_type; 5220 const char *map_name; 5221 bool ordered_map; 5222 bool lossless_map; 5223 bool percpu_map; 5224} pprint_tests_meta[] = { 5225{ 5226 .descr = "BTF pretty print array", 5227 .map_type = BPF_MAP_TYPE_ARRAY, 5228 .map_name = "pprint_test_array", 5229 .ordered_map = true, 5230 .lossless_map = true, 5231 .percpu_map = false, 5232}, 5233 5234{ 5235 .descr = "BTF pretty print hash", 5236 .map_type = BPF_MAP_TYPE_HASH, 5237 .map_name = "pprint_test_hash", 5238 .ordered_map = false, 5239 .lossless_map = true, 5240 .percpu_map = false, 5241}, 5242 5243{ 5244 .descr = "BTF pretty print lru hash", 5245 .map_type = BPF_MAP_TYPE_LRU_HASH, 5246 .map_name = "pprint_test_lru_hash", 5247 .ordered_map = false, 5248 .lossless_map = false, 5249 .percpu_map = false, 5250}, 5251 5252{ 5253 .descr = "BTF pretty print percpu array", 5254 .map_type = BPF_MAP_TYPE_PERCPU_ARRAY, 5255 .map_name = "pprint_test_percpu_array", 5256 .ordered_map = true, 5257 .lossless_map = true, 5258 .percpu_map = true, 5259}, 5260 5261{ 5262 .descr = "BTF pretty print percpu hash", 5263 .map_type = BPF_MAP_TYPE_PERCPU_HASH, 5264 .map_name = "pprint_test_percpu_hash", 5265 .ordered_map = false, 5266 .lossless_map = true, 5267 .percpu_map = true, 5268}, 5269 5270{ 5271 .descr = "BTF pretty print lru percpu hash", 5272 .map_type = BPF_MAP_TYPE_LRU_PERCPU_HASH, 5273 .map_name = "pprint_test_lru_percpu_hash", 5274 .ordered_map = false, 5275 .lossless_map = false, 5276 .percpu_map = true, 5277}, 5278 5279}; 5280 5281static size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind) 5282{ 5283 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) 5284 return sizeof(struct pprint_mapv); 5285 5286#ifdef __SIZEOF_INT128__ 5287 if (mapv_kind == PPRINT_MAPV_KIND_INT128) 5288 return sizeof(struct pprint_mapv_int128); 5289#endif 5290 5291 assert(0); 5292 return 0; 5293} 5294 5295static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind, 5296 void *mapv, uint32_t i, 5297 int num_cpus, int rounded_value_size) 5298{ 5299 int cpu; 5300 5301 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) { 5302 struct pprint_mapv *v = mapv; 5303 5304 for (cpu = 0; cpu < num_cpus; cpu++) { 5305 v->ui32 = i + cpu; 5306 v->si32 = -i; 5307 v->unused_bits2a = 3; 5308 v->bits28 = i; 5309 v->unused_bits2b = 3; 5310 v->ui64 = i; 5311 v->aenum = i & 0x03; 5312 v->ui32b = 4; 5313 v->bits2c = 1; 5314 v->si8_4[0][0] = (cpu + i) & 0xff; 5315 v->si8_4[0][1] = (cpu + i + 1) & 0xff; 5316 v->si8_4[1][0] = (cpu + i + 2) & 0xff; 5317 v->si8_4[1][1] = (cpu + i + 3) & 0xff; 5318 v = (void *)v + rounded_value_size; 5319 } 5320 } 5321 5322#ifdef __SIZEOF_INT128__ 5323 if (mapv_kind == PPRINT_MAPV_KIND_INT128) { 5324 struct pprint_mapv_int128 *v = mapv; 5325 5326 for (cpu = 0; cpu < num_cpus; cpu++) { 5327 v->si128a = i; 5328 v->si128b = -i; 5329 v->bits3 = i & 0x07; 5330 v->bits80 = (((unsigned __int128)1) << 64) + i; 5331 v->ui128 = (((unsigned __int128)2) << 64) + i; 5332 v = (void *)v + rounded_value_size; 5333 } 5334 } 5335#endif 5336} 5337 5338ssize_t get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind, 5339 char *expected_line, ssize_t line_size, 5340 bool percpu_map, unsigned int next_key, 5341 int cpu, void *mapv) 5342{ 5343 ssize_t nexpected_line = -1; 5344 5345 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) { 5346 struct pprint_mapv *v = mapv; 5347 5348 nexpected_line = snprintf(expected_line, line_size, 5349 "%s%u: {%u,0,%d,0x%x,0x%x,0x%x," 5350 "{%llu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s," 5351 "%u,0x%x,[[%d,%d],[%d,%d]]}\n", 5352 percpu_map ? "\tcpu" : "", 5353 percpu_map ? cpu : next_key, 5354 v->ui32, v->si32, 5355 v->unused_bits2a, 5356 v->bits28, 5357 v->unused_bits2b, 5358 (__u64)v->ui64, 5359 v->ui8a[0], v->ui8a[1], 5360 v->ui8a[2], v->ui8a[3], 5361 v->ui8a[4], v->ui8a[5], 5362 v->ui8a[6], v->ui8a[7], 5363 pprint_enum_str[v->aenum], 5364 v->ui32b, 5365 v->bits2c, 5366 v->si8_4[0][0], v->si8_4[0][1], 5367 v->si8_4[1][0], v->si8_4[1][1]); 5368 } 5369 5370#ifdef __SIZEOF_INT128__ 5371 if (mapv_kind == PPRINT_MAPV_KIND_INT128) { 5372 struct pprint_mapv_int128 *v = mapv; 5373 5374 nexpected_line = snprintf(expected_line, line_size, 5375 "%s%u: {0x%lx,0x%lx,0x%lx," 5376 "0x%lx%016lx,0x%lx%016lx}\n", 5377 percpu_map ? "\tcpu" : "", 5378 percpu_map ? cpu : next_key, 5379 (uint64_t)v->si128a, 5380 (uint64_t)v->si128b, 5381 (uint64_t)v->bits3, 5382 (uint64_t)(v->bits80 >> 64), 5383 (uint64_t)v->bits80, 5384 (uint64_t)(v->ui128 >> 64), 5385 (uint64_t)v->ui128); 5386 } 5387#endif 5388 5389 return nexpected_line; 5390} 5391 5392static int check_line(const char *expected_line, int nexpected_line, 5393 int expected_line_len, const char *line) 5394{ 5395 if (CHECK(nexpected_line == expected_line_len, 5396 "expected_line is too long")) 5397 return -1; 5398 5399 if (strcmp(expected_line, line)) { 5400 fprintf(stderr, "unexpected pprint output\n"); 5401 fprintf(stderr, "expected: %s", expected_line); 5402 fprintf(stderr, " read: %s", line); 5403 return -1; 5404 } 5405 5406 return 0; 5407} 5408 5409 5410static void do_test_pprint(int test_num) 5411{ 5412 const struct btf_raw_test *test = &pprint_test_template[test_num]; 5413 enum pprint_mapv_kind_t mapv_kind = test->mapv_kind; 5414 LIBBPF_OPTS(bpf_map_create_opts, opts); 5415 bool ordered_map, lossless_map, percpu_map; 5416 int err, ret, num_cpus, rounded_value_size; 5417 unsigned int key, nr_read_elems; 5418 int map_fd = -1, btf_fd = -1; 5419 unsigned int raw_btf_size; 5420 char expected_line[255]; 5421 FILE *pin_file = NULL; 5422 char pin_path[255]; 5423 size_t line_len = 0; 5424 char *line = NULL; 5425 void *mapv = NULL; 5426 uint8_t *raw_btf; 5427 ssize_t nread; 5428 5429 if (!test__start_subtest(test->descr)) 5430 return; 5431 5432 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, 5433 test->str_sec, test->str_sec_size, 5434 &raw_btf_size, NULL); 5435 5436 if (!raw_btf) 5437 return; 5438 5439 *btf_log_buf = '\0'; 5440 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 5441 free(raw_btf); 5442 5443 if (CHECK(btf_fd < 0, "errno:%d\n", errno)) { 5444 err = -1; 5445 goto done; 5446 } 5447 5448 opts.btf_fd = btf_fd; 5449 opts.btf_key_type_id = test->key_type_id; 5450 opts.btf_value_type_id = test->value_type_id; 5451 map_fd = bpf_map_create(test->map_type, test->map_name, 5452 test->key_size, test->value_size, test->max_entries, &opts); 5453 if (CHECK(map_fd < 0, "errno:%d", errno)) { 5454 err = -1; 5455 goto done; 5456 } 5457 5458 ret = snprintf(pin_path, sizeof(pin_path), "%s/%s", 5459 "/sys/fs/bpf", test->map_name); 5460 5461 if (CHECK(ret >= sizeof(pin_path), "pin_path %s/%s is too long", 5462 "/sys/fs/bpf", test->map_name)) { 5463 err = -1; 5464 goto done; 5465 } 5466 5467 err = bpf_obj_pin(map_fd, pin_path); 5468 if (CHECK(err, "bpf_obj_pin(%s): errno:%d.", pin_path, errno)) 5469 goto done; 5470 5471 percpu_map = test->percpu_map; 5472 num_cpus = percpu_map ? bpf_num_possible_cpus() : 1; 5473 rounded_value_size = round_up(get_pprint_mapv_size(mapv_kind), 8); 5474 mapv = calloc(num_cpus, rounded_value_size); 5475 if (CHECK(!mapv, "mapv allocation failure")) { 5476 err = -1; 5477 goto done; 5478 } 5479 5480 for (key = 0; key < test->max_entries; key++) { 5481 set_pprint_mapv(mapv_kind, mapv, key, num_cpus, rounded_value_size); 5482 bpf_map_update_elem(map_fd, &key, mapv, 0); 5483 } 5484 5485 pin_file = fopen(pin_path, "r"); 5486 if (CHECK(!pin_file, "fopen(%s): errno:%d", pin_path, errno)) { 5487 err = -1; 5488 goto done; 5489 } 5490 5491 /* Skip lines start with '#' */ 5492 while ((nread = getline(&line, &line_len, pin_file)) > 0 && 5493 *line == '#') 5494 ; 5495 5496 if (CHECK(nread <= 0, "Unexpected EOF")) { 5497 err = -1; 5498 goto done; 5499 } 5500 5501 nr_read_elems = 0; 5502 ordered_map = test->ordered_map; 5503 lossless_map = test->lossless_map; 5504 do { 5505 ssize_t nexpected_line; 5506 unsigned int next_key; 5507 void *cmapv; 5508 int cpu; 5509 5510 next_key = ordered_map ? nr_read_elems : atoi(line); 5511 set_pprint_mapv(mapv_kind, mapv, next_key, num_cpus, rounded_value_size); 5512 cmapv = mapv; 5513 5514 for (cpu = 0; cpu < num_cpus; cpu++) { 5515 if (percpu_map) { 5516 /* for percpu map, the format looks like: 5517 * <key>: { 5518 * cpu0: <value_on_cpu0> 5519 * cpu1: <value_on_cpu1> 5520 * ... 5521 * cpun: <value_on_cpun> 5522 * } 5523 * 5524 * let us verify the line containing the key here. 5525 */ 5526 if (cpu == 0) { 5527 nexpected_line = snprintf(expected_line, 5528 sizeof(expected_line), 5529 "%u: {\n", 5530 next_key); 5531 5532 err = check_line(expected_line, nexpected_line, 5533 sizeof(expected_line), line); 5534 if (err < 0) 5535 goto done; 5536 } 5537 5538 /* read value@cpu */ 5539 nread = getline(&line, &line_len, pin_file); 5540 if (nread < 0) 5541 break; 5542 } 5543 5544 nexpected_line = get_pprint_expected_line(mapv_kind, expected_line, 5545 sizeof(expected_line), 5546 percpu_map, next_key, 5547 cpu, cmapv); 5548 err = check_line(expected_line, nexpected_line, 5549 sizeof(expected_line), line); 5550 if (err < 0) 5551 goto done; 5552 5553 cmapv = cmapv + rounded_value_size; 5554 } 5555 5556 if (percpu_map) { 5557 /* skip the last bracket for the percpu map */ 5558 nread = getline(&line, &line_len, pin_file); 5559 if (nread < 0) 5560 break; 5561 } 5562 5563 nread = getline(&line, &line_len, pin_file); 5564 } while (++nr_read_elems < test->max_entries && nread > 0); 5565 5566 if (lossless_map && 5567 CHECK(nr_read_elems < test->max_entries, 5568 "Unexpected EOF. nr_read_elems:%u test->max_entries:%u", 5569 nr_read_elems, test->max_entries)) { 5570 err = -1; 5571 goto done; 5572 } 5573 5574 if (CHECK(nread > 0, "Unexpected extra pprint output: %s", line)) { 5575 err = -1; 5576 goto done; 5577 } 5578 5579 err = 0; 5580 5581done: 5582 if (mapv) 5583 free(mapv); 5584 if (!err) 5585 fprintf(stderr, "OK"); 5586 if (*btf_log_buf && (err || always_log)) 5587 fprintf(stderr, "\n%s", btf_log_buf); 5588 if (btf_fd >= 0) 5589 close(btf_fd); 5590 if (map_fd >= 0) 5591 close(map_fd); 5592 if (pin_file) 5593 fclose(pin_file); 5594 unlink(pin_path); 5595 free(line); 5596} 5597 5598static void test_pprint(void) 5599{ 5600 unsigned int i; 5601 5602 /* test various maps with the first test template */ 5603 for (i = 0; i < ARRAY_SIZE(pprint_tests_meta); i++) { 5604 pprint_test_template[0].descr = pprint_tests_meta[i].descr; 5605 pprint_test_template[0].map_type = pprint_tests_meta[i].map_type; 5606 pprint_test_template[0].map_name = pprint_tests_meta[i].map_name; 5607 pprint_test_template[0].ordered_map = pprint_tests_meta[i].ordered_map; 5608 pprint_test_template[0].lossless_map = pprint_tests_meta[i].lossless_map; 5609 pprint_test_template[0].percpu_map = pprint_tests_meta[i].percpu_map; 5610 5611 do_test_pprint(0); 5612 } 5613 5614 /* test rest test templates with the first map */ 5615 for (i = 1; i < ARRAY_SIZE(pprint_test_template); i++) { 5616 pprint_test_template[i].descr = pprint_tests_meta[0].descr; 5617 pprint_test_template[i].map_type = pprint_tests_meta[0].map_type; 5618 pprint_test_template[i].map_name = pprint_tests_meta[0].map_name; 5619 pprint_test_template[i].ordered_map = pprint_tests_meta[0].ordered_map; 5620 pprint_test_template[i].lossless_map = pprint_tests_meta[0].lossless_map; 5621 pprint_test_template[i].percpu_map = pprint_tests_meta[0].percpu_map; 5622 do_test_pprint(i); 5623 } 5624} 5625 5626#define BPF_LINE_INFO_ENC(insn_off, file_off, line_off, line_num, line_col) \ 5627 (insn_off), (file_off), (line_off), ((line_num) << 10 | ((line_col) & 0x3ff)) 5628 5629static struct prog_info_raw_test { 5630 const char *descr; 5631 const char *str_sec; 5632 const char *err_str; 5633 __u32 raw_types[MAX_NR_RAW_U32]; 5634 __u32 str_sec_size; 5635 struct bpf_insn insns[MAX_INSNS]; 5636 __u32 prog_type; 5637 __u32 func_info[MAX_SUBPROGS][2]; 5638 __u32 func_info_rec_size; 5639 __u32 func_info_cnt; 5640 __u32 line_info[MAX_NR_RAW_U32]; 5641 __u32 line_info_rec_size; 5642 __u32 nr_jited_ksyms; 5643 bool expected_prog_load_failure; 5644 __u32 dead_code_cnt; 5645 __u32 dead_code_mask; 5646 __u32 dead_func_cnt; 5647 __u32 dead_func_mask; 5648} info_raw_tests[] = { 5649{ 5650 .descr = "func_type (main func + one sub)", 5651 .raw_types = { 5652 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5653 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5654 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5655 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5656 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5657 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5658 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5659 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5660 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5661 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5662 BTF_END_RAW, 5663 }, 5664 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5665 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5666 .insns = { 5667 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5668 BPF_MOV64_IMM(BPF_REG_0, 1), 5669 BPF_EXIT_INSN(), 5670 BPF_MOV64_IMM(BPF_REG_0, 2), 5671 BPF_EXIT_INSN(), 5672 }, 5673 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5674 .func_info = { {0, 5}, {3, 6} }, 5675 .func_info_rec_size = 8, 5676 .func_info_cnt = 2, 5677 .line_info = { BTF_END_RAW }, 5678}, 5679 5680{ 5681 .descr = "func_type (Incorrect func_info_rec_size)", 5682 .raw_types = { 5683 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5684 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5685 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5686 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5687 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5688 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5689 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5690 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5691 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5692 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5693 BTF_END_RAW, 5694 }, 5695 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5696 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5697 .insns = { 5698 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5699 BPF_MOV64_IMM(BPF_REG_0, 1), 5700 BPF_EXIT_INSN(), 5701 BPF_MOV64_IMM(BPF_REG_0, 2), 5702 BPF_EXIT_INSN(), 5703 }, 5704 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5705 .func_info = { {0, 5}, {3, 6} }, 5706 .func_info_rec_size = 4, 5707 .func_info_cnt = 2, 5708 .line_info = { BTF_END_RAW }, 5709 .expected_prog_load_failure = true, 5710}, 5711 5712{ 5713 .descr = "func_type (Incorrect func_info_cnt)", 5714 .raw_types = { 5715 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5716 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5717 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5718 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5719 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5720 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5721 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5722 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5723 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5724 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5725 BTF_END_RAW, 5726 }, 5727 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5728 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5729 .insns = { 5730 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5731 BPF_MOV64_IMM(BPF_REG_0, 1), 5732 BPF_EXIT_INSN(), 5733 BPF_MOV64_IMM(BPF_REG_0, 2), 5734 BPF_EXIT_INSN(), 5735 }, 5736 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5737 .func_info = { {0, 5}, {3, 6} }, 5738 .func_info_rec_size = 8, 5739 .func_info_cnt = 1, 5740 .line_info = { BTF_END_RAW }, 5741 .expected_prog_load_failure = true, 5742}, 5743 5744{ 5745 .descr = "func_type (Incorrect bpf_func_info.insn_off)", 5746 .raw_types = { 5747 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5748 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5749 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5750 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5751 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5752 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5753 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5754 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5755 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5756 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5757 BTF_END_RAW, 5758 }, 5759 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5760 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5761 .insns = { 5762 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5763 BPF_MOV64_IMM(BPF_REG_0, 1), 5764 BPF_EXIT_INSN(), 5765 BPF_MOV64_IMM(BPF_REG_0, 2), 5766 BPF_EXIT_INSN(), 5767 }, 5768 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5769 .func_info = { {0, 5}, {2, 6} }, 5770 .func_info_rec_size = 8, 5771 .func_info_cnt = 2, 5772 .line_info = { BTF_END_RAW }, 5773 .expected_prog_load_failure = true, 5774}, 5775 5776{ 5777 .descr = "line_info (No subprog)", 5778 .raw_types = { 5779 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5780 BTF_END_RAW, 5781 }, 5782 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5783 .insns = { 5784 BPF_MOV64_IMM(BPF_REG_0, 1), 5785 BPF_MOV64_IMM(BPF_REG_1, 2), 5786 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5787 BPF_EXIT_INSN(), 5788 }, 5789 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5790 .func_info_cnt = 0, 5791 .line_info = { 5792 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5793 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 5794 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5795 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 5796 BTF_END_RAW, 5797 }, 5798 .line_info_rec_size = sizeof(struct bpf_line_info), 5799 .nr_jited_ksyms = 1, 5800}, 5801 5802{ 5803 .descr = "line_info (No subprog. insn_off >= prog->len)", 5804 .raw_types = { 5805 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5806 BTF_END_RAW, 5807 }, 5808 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5809 .insns = { 5810 BPF_MOV64_IMM(BPF_REG_0, 1), 5811 BPF_MOV64_IMM(BPF_REG_1, 2), 5812 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5813 BPF_EXIT_INSN(), 5814 }, 5815 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5816 .func_info_cnt = 0, 5817 .line_info = { 5818 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5819 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 5820 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5821 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 5822 BPF_LINE_INFO_ENC(4, 0, 0, 5, 6), 5823 BTF_END_RAW, 5824 }, 5825 .line_info_rec_size = sizeof(struct bpf_line_info), 5826 .nr_jited_ksyms = 1, 5827 .err_str = "line_info[4].insn_off", 5828 .expected_prog_load_failure = true, 5829}, 5830 5831{ 5832 .descr = "line_info (Zero bpf insn code)", 5833 .raw_types = { 5834 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5835 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), /* [2] */ 5836 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [3] */ 5837 BTF_END_RAW, 5838 }, 5839 BTF_STR_SEC("\0int\0unsigned long\0u64\0u64 a=1;\0return a;"), 5840 .insns = { 5841 BPF_LD_IMM64(BPF_REG_0, 1), 5842 BPF_EXIT_INSN(), 5843 }, 5844 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5845 .func_info_cnt = 0, 5846 .line_info = { 5847 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5848 BPF_LINE_INFO_ENC(1, 0, 0, 2, 9), 5849 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5850 BTF_END_RAW, 5851 }, 5852 .line_info_rec_size = sizeof(struct bpf_line_info), 5853 .nr_jited_ksyms = 1, 5854 .err_str = "Invalid insn code at line_info[1]", 5855 .expected_prog_load_failure = true, 5856}, 5857 5858{ 5859 .descr = "line_info (No subprog. zero tailing line_info", 5860 .raw_types = { 5861 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5862 BTF_END_RAW, 5863 }, 5864 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5865 .insns = { 5866 BPF_MOV64_IMM(BPF_REG_0, 1), 5867 BPF_MOV64_IMM(BPF_REG_1, 2), 5868 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5869 BPF_EXIT_INSN(), 5870 }, 5871 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5872 .func_info_cnt = 0, 5873 .line_info = { 5874 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0, 5875 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0, 5876 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0, 5877 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 0, 5878 BTF_END_RAW, 5879 }, 5880 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32), 5881 .nr_jited_ksyms = 1, 5882}, 5883 5884{ 5885 .descr = "line_info (No subprog. nonzero tailing line_info)", 5886 .raw_types = { 5887 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5888 BTF_END_RAW, 5889 }, 5890 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5891 .insns = { 5892 BPF_MOV64_IMM(BPF_REG_0, 1), 5893 BPF_MOV64_IMM(BPF_REG_1, 2), 5894 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5895 BPF_EXIT_INSN(), 5896 }, 5897 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5898 .func_info_cnt = 0, 5899 .line_info = { 5900 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0, 5901 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0, 5902 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0, 5903 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 1, 5904 BTF_END_RAW, 5905 }, 5906 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32), 5907 .nr_jited_ksyms = 1, 5908 .err_str = "nonzero tailing record in line_info", 5909 .expected_prog_load_failure = true, 5910}, 5911 5912{ 5913 .descr = "line_info (subprog)", 5914 .raw_types = { 5915 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5916 BTF_END_RAW, 5917 }, 5918 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5919 .insns = { 5920 BPF_MOV64_IMM(BPF_REG_2, 1), 5921 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5922 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5923 BPF_CALL_REL(1), 5924 BPF_EXIT_INSN(), 5925 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5926 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5927 BPF_EXIT_INSN(), 5928 }, 5929 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5930 .func_info_cnt = 0, 5931 .line_info = { 5932 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5933 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 5934 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 5935 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5936 BTF_END_RAW, 5937 }, 5938 .line_info_rec_size = sizeof(struct bpf_line_info), 5939 .nr_jited_ksyms = 2, 5940}, 5941 5942{ 5943 .descr = "line_info (subprog + func_info)", 5944 .raw_types = { 5945 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5946 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 5947 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5948 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 5949 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 5950 BTF_END_RAW, 5951 }, 5952 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5953 .insns = { 5954 BPF_MOV64_IMM(BPF_REG_2, 1), 5955 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5956 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5957 BPF_CALL_REL(1), 5958 BPF_EXIT_INSN(), 5959 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5960 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5961 BPF_EXIT_INSN(), 5962 }, 5963 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5964 .func_info_cnt = 2, 5965 .func_info_rec_size = 8, 5966 .func_info = { {0, 4}, {5, 3} }, 5967 .line_info = { 5968 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5969 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 5970 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 5971 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5972 BTF_END_RAW, 5973 }, 5974 .line_info_rec_size = sizeof(struct bpf_line_info), 5975 .nr_jited_ksyms = 2, 5976}, 5977 5978{ 5979 .descr = "line_info (subprog. missing 1st func line info)", 5980 .raw_types = { 5981 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5982 BTF_END_RAW, 5983 }, 5984 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5985 .insns = { 5986 BPF_MOV64_IMM(BPF_REG_2, 1), 5987 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5988 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5989 BPF_CALL_REL(1), 5990 BPF_EXIT_INSN(), 5991 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5992 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5993 BPF_EXIT_INSN(), 5994 }, 5995 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5996 .func_info_cnt = 0, 5997 .line_info = { 5998 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 1, 10), 5999 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 6000 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 6001 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 6002 BTF_END_RAW, 6003 }, 6004 .line_info_rec_size = sizeof(struct bpf_line_info), 6005 .nr_jited_ksyms = 2, 6006 .err_str = "missing bpf_line_info for func#0", 6007 .expected_prog_load_failure = true, 6008}, 6009 6010{ 6011 .descr = "line_info (subprog. missing 2nd func line info)", 6012 .raw_types = { 6013 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6014 BTF_END_RAW, 6015 }, 6016 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 6017 .insns = { 6018 BPF_MOV64_IMM(BPF_REG_2, 1), 6019 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 6020 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 6021 BPF_CALL_REL(1), 6022 BPF_EXIT_INSN(), 6023 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 6024 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6025 BPF_EXIT_INSN(), 6026 }, 6027 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6028 .func_info_cnt = 0, 6029 .line_info = { 6030 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6031 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 6032 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 3, 8), 6033 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 6034 BTF_END_RAW, 6035 }, 6036 .line_info_rec_size = sizeof(struct bpf_line_info), 6037 .nr_jited_ksyms = 2, 6038 .err_str = "missing bpf_line_info for func#1", 6039 .expected_prog_load_failure = true, 6040}, 6041 6042{ 6043 .descr = "line_info (subprog. unordered insn offset)", 6044 .raw_types = { 6045 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6046 BTF_END_RAW, 6047 }, 6048 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 6049 .insns = { 6050 BPF_MOV64_IMM(BPF_REG_2, 1), 6051 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 6052 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 6053 BPF_CALL_REL(1), 6054 BPF_EXIT_INSN(), 6055 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 6056 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6057 BPF_EXIT_INSN(), 6058 }, 6059 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6060 .func_info_cnt = 0, 6061 .line_info = { 6062 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6063 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 2, 9), 6064 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 6065 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 6066 BTF_END_RAW, 6067 }, 6068 .line_info_rec_size = sizeof(struct bpf_line_info), 6069 .nr_jited_ksyms = 2, 6070 .err_str = "Invalid line_info[2].insn_off", 6071 .expected_prog_load_failure = true, 6072}, 6073 6074{ 6075 .descr = "line_info (dead start)", 6076 .raw_types = { 6077 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6078 BTF_END_RAW, 6079 }, 6080 BTF_STR_SEC("\0int\0/* dead jmp */\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 6081 .insns = { 6082 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6083 BPF_MOV64_IMM(BPF_REG_0, 1), 6084 BPF_MOV64_IMM(BPF_REG_1, 2), 6085 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 6086 BPF_EXIT_INSN(), 6087 }, 6088 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6089 .func_info_cnt = 0, 6090 .line_info = { 6091 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6092 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 6093 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 6094 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 6095 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 6), 6096 BTF_END_RAW, 6097 }, 6098 .line_info_rec_size = sizeof(struct bpf_line_info), 6099 .nr_jited_ksyms = 1, 6100 .dead_code_cnt = 1, 6101 .dead_code_mask = 0x01, 6102}, 6103 6104{ 6105 .descr = "line_info (dead end)", 6106 .raw_types = { 6107 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6108 BTF_END_RAW, 6109 }, 6110 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0/* dead jmp */\0return a + b;\0/* dead exit */"), 6111 .insns = { 6112 BPF_MOV64_IMM(BPF_REG_0, 1), 6113 BPF_MOV64_IMM(BPF_REG_1, 2), 6114 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 6115 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1), 6116 BPF_EXIT_INSN(), 6117 BPF_EXIT_INSN(), 6118 }, 6119 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6120 .func_info_cnt = 0, 6121 .line_info = { 6122 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 12), 6123 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 11), 6124 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 10), 6125 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 9), 6126 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 8), 6127 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 6, 7), 6128 BTF_END_RAW, 6129 }, 6130 .line_info_rec_size = sizeof(struct bpf_line_info), 6131 .nr_jited_ksyms = 1, 6132 .dead_code_cnt = 2, 6133 .dead_code_mask = 0x28, 6134}, 6135 6136{ 6137 .descr = "line_info (dead code + subprog + func_info)", 6138 .raw_types = { 6139 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6140 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6141 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6142 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6143 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6144 BTF_END_RAW, 6145 }, 6146 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0/* dead jmp */" 6147 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 6148 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 6149 "\0return func(a);\0b+=1;\0return b;"), 6150 .insns = { 6151 BPF_MOV64_IMM(BPF_REG_2, 1), 6152 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 6153 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 6154 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 8), 6155 BPF_MOV64_IMM(BPF_REG_2, 1), 6156 BPF_MOV64_IMM(BPF_REG_2, 1), 6157 BPF_MOV64_IMM(BPF_REG_2, 1), 6158 BPF_MOV64_IMM(BPF_REG_2, 1), 6159 BPF_MOV64_IMM(BPF_REG_2, 1), 6160 BPF_MOV64_IMM(BPF_REG_2, 1), 6161 BPF_MOV64_IMM(BPF_REG_2, 1), 6162 BPF_MOV64_IMM(BPF_REG_2, 1), 6163 BPF_CALL_REL(1), 6164 BPF_EXIT_INSN(), 6165 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 6166 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6167 BPF_EXIT_INSN(), 6168 }, 6169 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6170 .func_info_cnt = 2, 6171 .func_info_rec_size = 8, 6172 .func_info = { {0, 4}, {14, 3} }, 6173 .line_info = { 6174 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6175 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6176 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6177 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6178 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6179 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6180 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6181 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6182 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 6183 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 6184 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 6185 BPF_LINE_INFO_ENC(14, 0, NAME_TBD, 3, 8), 6186 BPF_LINE_INFO_ENC(16, 0, NAME_TBD, 4, 7), 6187 BTF_END_RAW, 6188 }, 6189 .line_info_rec_size = sizeof(struct bpf_line_info), 6190 .nr_jited_ksyms = 2, 6191 .dead_code_cnt = 9, 6192 .dead_code_mask = 0x3fe, 6193}, 6194 6195{ 6196 .descr = "line_info (dead subprog)", 6197 .raw_types = { 6198 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6199 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6200 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6201 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6202 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6203 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6204 BTF_END_RAW, 6205 }, 6206 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */" 6207 "\0return 0;\0return 0;\0/* dead */\0/* dead */" 6208 "\0/* dead */\0return bla + 1;\0return bla + 1;" 6209 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"), 6210 .insns = { 6211 BPF_MOV64_IMM(BPF_REG_2, 1), 6212 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6213 BPF_CALL_REL(3), 6214 BPF_CALL_REL(5), 6215 BPF_MOV64_IMM(BPF_REG_0, 0), 6216 BPF_EXIT_INSN(), 6217 BPF_MOV64_IMM(BPF_REG_0, 0), 6218 BPF_CALL_REL(1), 6219 BPF_EXIT_INSN(), 6220 BPF_MOV64_REG(BPF_REG_0, 2), 6221 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6222 BPF_EXIT_INSN(), 6223 }, 6224 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6225 .func_info_cnt = 3, 6226 .func_info_rec_size = 8, 6227 .func_info = { {0, 4}, {6, 3}, {9, 5} }, 6228 .line_info = { 6229 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6230 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6231 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6232 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6233 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6234 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6235 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6236 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6237 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 6238 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 6239 BTF_END_RAW, 6240 }, 6241 .line_info_rec_size = sizeof(struct bpf_line_info), 6242 .nr_jited_ksyms = 2, 6243 .dead_code_cnt = 3, 6244 .dead_code_mask = 0x70, 6245 .dead_func_cnt = 1, 6246 .dead_func_mask = 0x2, 6247}, 6248 6249{ 6250 .descr = "line_info (dead last subprog)", 6251 .raw_types = { 6252 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6253 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6254 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6255 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6256 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6257 BTF_END_RAW, 6258 }, 6259 BTF_STR_SEC("\0int\0x\0dead\0main\0int a=1+1;\0/* live call */" 6260 "\0return 0;\0/* dead */\0/* dead */"), 6261 .insns = { 6262 BPF_MOV64_IMM(BPF_REG_2, 1), 6263 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6264 BPF_CALL_REL(2), 6265 BPF_MOV64_IMM(BPF_REG_0, 0), 6266 BPF_EXIT_INSN(), 6267 BPF_MOV64_IMM(BPF_REG_0, 0), 6268 BPF_EXIT_INSN(), 6269 }, 6270 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6271 .func_info_cnt = 2, 6272 .func_info_rec_size = 8, 6273 .func_info = { {0, 4}, {5, 3} }, 6274 .line_info = { 6275 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6276 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6277 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6278 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6279 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6280 BTF_END_RAW, 6281 }, 6282 .line_info_rec_size = sizeof(struct bpf_line_info), 6283 .nr_jited_ksyms = 1, 6284 .dead_code_cnt = 2, 6285 .dead_code_mask = 0x18, 6286 .dead_func_cnt = 1, 6287 .dead_func_mask = 0x2, 6288}, 6289 6290{ 6291 .descr = "line_info (dead subprog + dead start)", 6292 .raw_types = { 6293 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6294 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6295 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6296 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6297 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6298 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6299 BTF_END_RAW, 6300 }, 6301 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* dead */" 6302 "\0return 0;\0return 0;\0return 0;" 6303 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 6304 "\0return b + 1;\0return b + 1;\0return b + 1;"), 6305 .insns = { 6306 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6307 BPF_MOV64_IMM(BPF_REG_2, 1), 6308 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6309 BPF_CALL_REL(3), 6310 BPF_CALL_REL(5), 6311 BPF_MOV64_IMM(BPF_REG_0, 0), 6312 BPF_EXIT_INSN(), 6313 BPF_MOV64_IMM(BPF_REG_0, 0), 6314 BPF_CALL_REL(1), 6315 BPF_EXIT_INSN(), 6316 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6317 BPF_MOV64_REG(BPF_REG_0, 2), 6318 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6319 BPF_EXIT_INSN(), 6320 }, 6321 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6322 .func_info_cnt = 3, 6323 .func_info_rec_size = 8, 6324 .func_info = { {0, 4}, {7, 3}, {10, 5} }, 6325 .line_info = { 6326 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6327 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6328 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6329 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6330 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6331 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6332 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6333 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6334 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 6335 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 6336 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 6337 BPF_LINE_INFO_ENC(13, 0, NAME_TBD, 2, 9), 6338 BTF_END_RAW, 6339 }, 6340 .line_info_rec_size = sizeof(struct bpf_line_info), 6341 .nr_jited_ksyms = 2, 6342 .dead_code_cnt = 5, 6343 .dead_code_mask = 0x1e2, 6344 .dead_func_cnt = 1, 6345 .dead_func_mask = 0x2, 6346}, 6347 6348{ 6349 .descr = "line_info (dead subprog + dead start w/ move)", 6350 .raw_types = { 6351 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6352 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6353 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6354 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6355 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6356 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6357 BTF_END_RAW, 6358 }, 6359 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */" 6360 "\0return 0;\0return 0;\0/* dead */\0/* dead */" 6361 "\0/* dead */\0return bla + 1;\0return bla + 1;" 6362 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"), 6363 .insns = { 6364 BPF_MOV64_IMM(BPF_REG_2, 1), 6365 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6366 BPF_CALL_REL(3), 6367 BPF_CALL_REL(5), 6368 BPF_MOV64_IMM(BPF_REG_0, 0), 6369 BPF_EXIT_INSN(), 6370 BPF_MOV64_IMM(BPF_REG_0, 0), 6371 BPF_CALL_REL(1), 6372 BPF_EXIT_INSN(), 6373 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6374 BPF_MOV64_REG(BPF_REG_0, 2), 6375 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6376 BPF_EXIT_INSN(), 6377 }, 6378 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6379 .func_info_cnt = 3, 6380 .func_info_rec_size = 8, 6381 .func_info = { {0, 4}, {6, 3}, {9, 5} }, 6382 .line_info = { 6383 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6384 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6385 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6386 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6387 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6388 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6389 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6390 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6391 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 1, 10), 6392 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 6393 BTF_END_RAW, 6394 }, 6395 .line_info_rec_size = sizeof(struct bpf_line_info), 6396 .nr_jited_ksyms = 2, 6397 .dead_code_cnt = 3, 6398 .dead_code_mask = 0x70, 6399 .dead_func_cnt = 1, 6400 .dead_func_mask = 0x2, 6401}, 6402 6403{ 6404 .descr = "line_info (dead end + subprog start w/ no linfo)", 6405 .raw_types = { 6406 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6407 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6408 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6409 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6410 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6411 BTF_END_RAW, 6412 }, 6413 BTF_STR_SEC("\0int\0x\0main\0func\0/* main linfo */\0/* func linfo */"), 6414 .insns = { 6415 BPF_MOV64_IMM(BPF_REG_0, 0), 6416 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 1, 3), 6417 BPF_CALL_REL(3), 6418 BPF_MOV64_IMM(BPF_REG_0, 0), 6419 BPF_EXIT_INSN(), 6420 BPF_EXIT_INSN(), 6421 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6422 BPF_EXIT_INSN(), 6423 }, 6424 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6425 .func_info_cnt = 2, 6426 .func_info_rec_size = 8, 6427 .func_info = { {0, 3}, {6, 4}, }, 6428 .line_info = { 6429 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6430 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6431 BTF_END_RAW, 6432 }, 6433 .line_info_rec_size = sizeof(struct bpf_line_info), 6434 .nr_jited_ksyms = 2, 6435}, 6436 6437}; 6438 6439static size_t probe_prog_length(const struct bpf_insn *fp) 6440{ 6441 size_t len; 6442 6443 for (len = MAX_INSNS - 1; len > 0; --len) 6444 if (fp[len].code != 0 || fp[len].imm != 0) 6445 break; 6446 return len + 1; 6447} 6448 6449static __u32 *patch_name_tbd(const __u32 *raw_u32, 6450 const char *str, __u32 str_off, 6451 unsigned int str_sec_size, 6452 unsigned int *ret_size) 6453{ 6454 int i, raw_u32_size = get_raw_sec_size(raw_u32); 6455 const char *end_str = str + str_sec_size; 6456 const char *next_str = str + str_off; 6457 __u32 *new_u32 = NULL; 6458 6459 if (raw_u32_size == -1) 6460 return ERR_PTR(-EINVAL); 6461 6462 if (!raw_u32_size) { 6463 *ret_size = 0; 6464 return NULL; 6465 } 6466 6467 new_u32 = malloc(raw_u32_size); 6468 if (!new_u32) 6469 return ERR_PTR(-ENOMEM); 6470 6471 for (i = 0; i < raw_u32_size / sizeof(raw_u32[0]); i++) { 6472 if (raw_u32[i] == NAME_TBD) { 6473 next_str = get_next_str(next_str, end_str); 6474 if (CHECK(!next_str, "Error in getting next_str\n")) { 6475 free(new_u32); 6476 return ERR_PTR(-EINVAL); 6477 } 6478 new_u32[i] = next_str - str; 6479 next_str += strlen(next_str); 6480 } else { 6481 new_u32[i] = raw_u32[i]; 6482 } 6483 } 6484 6485 *ret_size = raw_u32_size; 6486 return new_u32; 6487} 6488 6489static int test_get_finfo(const struct prog_info_raw_test *test, 6490 int prog_fd) 6491{ 6492 struct bpf_prog_info info = {}; 6493 struct bpf_func_info *finfo; 6494 __u32 info_len, rec_size, i; 6495 void *func_info = NULL; 6496 __u32 nr_func_info; 6497 int err; 6498 6499 /* get necessary lens */ 6500 info_len = sizeof(struct bpf_prog_info); 6501 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 6502 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) { 6503 fprintf(stderr, "%s\n", btf_log_buf); 6504 return -1; 6505 } 6506 nr_func_info = test->func_info_cnt - test->dead_func_cnt; 6507 if (CHECK(info.nr_func_info != nr_func_info, 6508 "incorrect info.nr_func_info (1st) %d", 6509 info.nr_func_info)) { 6510 return -1; 6511 } 6512 6513 rec_size = info.func_info_rec_size; 6514 if (CHECK(rec_size != sizeof(struct bpf_func_info), 6515 "incorrect info.func_info_rec_size (1st) %d", rec_size)) { 6516 return -1; 6517 } 6518 6519 if (!info.nr_func_info) 6520 return 0; 6521 6522 func_info = malloc(info.nr_func_info * rec_size); 6523 if (CHECK(!func_info, "out of memory")) 6524 return -1; 6525 6526 /* reset info to only retrieve func_info related data */ 6527 memset(&info, 0, sizeof(info)); 6528 info.nr_func_info = nr_func_info; 6529 info.func_info_rec_size = rec_size; 6530 info.func_info = ptr_to_u64(func_info); 6531 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 6532 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) { 6533 fprintf(stderr, "%s\n", btf_log_buf); 6534 err = -1; 6535 goto done; 6536 } 6537 if (CHECK(info.nr_func_info != nr_func_info, 6538 "incorrect info.nr_func_info (2nd) %d", 6539 info.nr_func_info)) { 6540 err = -1; 6541 goto done; 6542 } 6543 if (CHECK(info.func_info_rec_size != rec_size, 6544 "incorrect info.func_info_rec_size (2nd) %d", 6545 info.func_info_rec_size)) { 6546 err = -1; 6547 goto done; 6548 } 6549 6550 finfo = func_info; 6551 for (i = 0; i < nr_func_info; i++) { 6552 if (test->dead_func_mask & (1 << i)) 6553 continue; 6554 if (CHECK(finfo->type_id != test->func_info[i][1], 6555 "incorrect func_type %u expected %u", 6556 finfo->type_id, test->func_info[i][1])) { 6557 err = -1; 6558 goto done; 6559 } 6560 finfo = (void *)finfo + rec_size; 6561 } 6562 6563 err = 0; 6564 6565done: 6566 free(func_info); 6567 return err; 6568} 6569 6570static int test_get_linfo(const struct prog_info_raw_test *test, 6571 const void *patched_linfo, 6572 __u32 cnt, int prog_fd) 6573{ 6574 __u32 i, info_len, nr_jited_ksyms, nr_jited_func_lens; 6575 __u64 *jited_linfo = NULL, *jited_ksyms = NULL; 6576 __u32 rec_size, jited_rec_size, jited_cnt; 6577 struct bpf_line_info *linfo = NULL; 6578 __u32 cur_func_len, ksyms_found; 6579 struct bpf_prog_info info = {}; 6580 __u32 *jited_func_lens = NULL; 6581 __u64 cur_func_ksyms; 6582 __u32 dead_insns; 6583 int err; 6584 6585 jited_cnt = cnt; 6586 rec_size = sizeof(*linfo); 6587 jited_rec_size = sizeof(*jited_linfo); 6588 if (test->nr_jited_ksyms) 6589 nr_jited_ksyms = test->nr_jited_ksyms; 6590 else 6591 nr_jited_ksyms = test->func_info_cnt - test->dead_func_cnt; 6592 nr_jited_func_lens = nr_jited_ksyms; 6593 6594 info_len = sizeof(struct bpf_prog_info); 6595 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 6596 if (CHECK(err < 0, "err:%d errno:%d", err, errno)) { 6597 err = -1; 6598 goto done; 6599 } 6600 6601 if (!info.jited_prog_len) { 6602 /* prog is not jited */ 6603 jited_cnt = 0; 6604 nr_jited_ksyms = 1; 6605 nr_jited_func_lens = 1; 6606 } 6607 6608 if (CHECK(info.nr_line_info != cnt || 6609 info.nr_jited_line_info != jited_cnt || 6610 info.nr_jited_ksyms != nr_jited_ksyms || 6611 info.nr_jited_func_lens != nr_jited_func_lens || 6612 (!info.nr_line_info && info.nr_jited_line_info), 6613 "info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) nr_jited_ksyms:%u(expected:%u) nr_jited_func_lens:%u(expected:%u)", 6614 info.nr_line_info, cnt, 6615 info.nr_jited_line_info, jited_cnt, 6616 info.nr_jited_ksyms, nr_jited_ksyms, 6617 info.nr_jited_func_lens, nr_jited_func_lens)) { 6618 err = -1; 6619 goto done; 6620 } 6621 6622 if (CHECK(info.line_info_rec_size != sizeof(struct bpf_line_info) || 6623 info.jited_line_info_rec_size != sizeof(__u64), 6624 "info: line_info_rec_size:%u(userspace expected:%u) jited_line_info_rec_size:%u(userspace expected:%u)", 6625 info.line_info_rec_size, rec_size, 6626 info.jited_line_info_rec_size, jited_rec_size)) { 6627 err = -1; 6628 goto done; 6629 } 6630 6631 if (!cnt) 6632 return 0; 6633 6634 rec_size = info.line_info_rec_size; 6635 jited_rec_size = info.jited_line_info_rec_size; 6636 6637 memset(&info, 0, sizeof(info)); 6638 6639 linfo = calloc(cnt, rec_size); 6640 if (CHECK(!linfo, "!linfo")) { 6641 err = -1; 6642 goto done; 6643 } 6644 info.nr_line_info = cnt; 6645 info.line_info_rec_size = rec_size; 6646 info.line_info = ptr_to_u64(linfo); 6647 6648 if (jited_cnt) { 6649 jited_linfo = calloc(jited_cnt, jited_rec_size); 6650 jited_ksyms = calloc(nr_jited_ksyms, sizeof(*jited_ksyms)); 6651 jited_func_lens = calloc(nr_jited_func_lens, 6652 sizeof(*jited_func_lens)); 6653 if (CHECK(!jited_linfo || !jited_ksyms || !jited_func_lens, 6654 "jited_linfo:%p jited_ksyms:%p jited_func_lens:%p", 6655 jited_linfo, jited_ksyms, jited_func_lens)) { 6656 err = -1; 6657 goto done; 6658 } 6659 6660 info.nr_jited_line_info = jited_cnt; 6661 info.jited_line_info_rec_size = jited_rec_size; 6662 info.jited_line_info = ptr_to_u64(jited_linfo); 6663 info.nr_jited_ksyms = nr_jited_ksyms; 6664 info.jited_ksyms = ptr_to_u64(jited_ksyms); 6665 info.nr_jited_func_lens = nr_jited_func_lens; 6666 info.jited_func_lens = ptr_to_u64(jited_func_lens); 6667 } 6668 6669 err = bpf_prog_get_info_by_fd(prog_fd, &info, &info_len); 6670 6671 /* 6672 * Only recheck the info.*line_info* fields. 6673 * Other fields are not the concern of this test. 6674 */ 6675 if (CHECK(err < 0 || 6676 info.nr_line_info != cnt || 6677 (jited_cnt && !info.jited_line_info) || 6678 info.nr_jited_line_info != jited_cnt || 6679 info.line_info_rec_size != rec_size || 6680 info.jited_line_info_rec_size != jited_rec_size, 6681 "err:%d errno:%d info: nr_line_info:%u(expected:%u) nr_jited_line_info:%u(expected:%u) line_info_rec_size:%u(expected:%u) jited_linfo_rec_size:%u(expected:%u) line_info:%p jited_line_info:%p", 6682 err, errno, 6683 info.nr_line_info, cnt, 6684 info.nr_jited_line_info, jited_cnt, 6685 info.line_info_rec_size, rec_size, 6686 info.jited_line_info_rec_size, jited_rec_size, 6687 (void *)(long)info.line_info, 6688 (void *)(long)info.jited_line_info)) { 6689 err = -1; 6690 goto done; 6691 } 6692 6693 dead_insns = 0; 6694 while (test->dead_code_mask & (1 << dead_insns)) 6695 dead_insns++; 6696 6697 CHECK(linfo[0].insn_off, "linfo[0].insn_off:%u", 6698 linfo[0].insn_off); 6699 for (i = 1; i < cnt; i++) { 6700 const struct bpf_line_info *expected_linfo; 6701 6702 while (test->dead_code_mask & (1 << (i + dead_insns))) 6703 dead_insns++; 6704 6705 expected_linfo = patched_linfo + 6706 ((i + dead_insns) * test->line_info_rec_size); 6707 if (CHECK(linfo[i].insn_off <= linfo[i - 1].insn_off, 6708 "linfo[%u].insn_off:%u <= linfo[%u].insn_off:%u", 6709 i, linfo[i].insn_off, 6710 i - 1, linfo[i - 1].insn_off)) { 6711 err = -1; 6712 goto done; 6713 } 6714 if (CHECK(linfo[i].file_name_off != expected_linfo->file_name_off || 6715 linfo[i].line_off != expected_linfo->line_off || 6716 linfo[i].line_col != expected_linfo->line_col, 6717 "linfo[%u] (%u, %u, %u) != (%u, %u, %u)", i, 6718 linfo[i].file_name_off, 6719 linfo[i].line_off, 6720 linfo[i].line_col, 6721 expected_linfo->file_name_off, 6722 expected_linfo->line_off, 6723 expected_linfo->line_col)) { 6724 err = -1; 6725 goto done; 6726 } 6727 } 6728 6729 if (!jited_cnt) { 6730 fprintf(stderr, "not jited. skipping jited_line_info check. "); 6731 err = 0; 6732 goto done; 6733 } 6734 6735 if (CHECK(jited_linfo[0] != jited_ksyms[0], 6736 "jited_linfo[0]:%lx != jited_ksyms[0]:%lx", 6737 (long)(jited_linfo[0]), (long)(jited_ksyms[0]))) { 6738 err = -1; 6739 goto done; 6740 } 6741 6742 ksyms_found = 1; 6743 cur_func_len = jited_func_lens[0]; 6744 cur_func_ksyms = jited_ksyms[0]; 6745 for (i = 1; i < jited_cnt; i++) { 6746 if (ksyms_found < nr_jited_ksyms && 6747 jited_linfo[i] == jited_ksyms[ksyms_found]) { 6748 cur_func_ksyms = jited_ksyms[ksyms_found]; 6749 cur_func_len = jited_ksyms[ksyms_found]; 6750 ksyms_found++; 6751 continue; 6752 } 6753 6754 if (CHECK(jited_linfo[i] <= jited_linfo[i - 1], 6755 "jited_linfo[%u]:%lx <= jited_linfo[%u]:%lx", 6756 i, (long)jited_linfo[i], 6757 i - 1, (long)(jited_linfo[i - 1]))) { 6758 err = -1; 6759 goto done; 6760 } 6761 6762 if (CHECK(jited_linfo[i] - cur_func_ksyms > cur_func_len, 6763 "jited_linfo[%u]:%lx - %lx > %u", 6764 i, (long)jited_linfo[i], (long)cur_func_ksyms, 6765 cur_func_len)) { 6766 err = -1; 6767 goto done; 6768 } 6769 } 6770 6771 if (CHECK(ksyms_found != nr_jited_ksyms, 6772 "ksyms_found:%u != nr_jited_ksyms:%u", 6773 ksyms_found, nr_jited_ksyms)) { 6774 err = -1; 6775 goto done; 6776 } 6777 6778 err = 0; 6779 6780done: 6781 free(linfo); 6782 free(jited_linfo); 6783 free(jited_ksyms); 6784 free(jited_func_lens); 6785 return err; 6786} 6787 6788static void do_test_info_raw(unsigned int test_num) 6789{ 6790 const struct prog_info_raw_test *test = &info_raw_tests[test_num - 1]; 6791 unsigned int raw_btf_size, linfo_str_off, linfo_size = 0; 6792 int btf_fd = -1, prog_fd = -1, err = 0; 6793 void *raw_btf, *patched_linfo = NULL; 6794 const char *ret_next_str; 6795 union bpf_attr attr = {}; 6796 6797 if (!test__start_subtest(test->descr)) 6798 return; 6799 6800 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, 6801 test->str_sec, test->str_sec_size, 6802 &raw_btf_size, &ret_next_str); 6803 if (!raw_btf) 6804 return; 6805 6806 *btf_log_buf = '\0'; 6807 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 6808 free(raw_btf); 6809 6810 if (CHECK(btf_fd < 0, "invalid btf_fd errno:%d", errno)) { 6811 err = -1; 6812 goto done; 6813 } 6814 6815 if (*btf_log_buf && always_log) 6816 fprintf(stderr, "\n%s", btf_log_buf); 6817 *btf_log_buf = '\0'; 6818 6819 linfo_str_off = ret_next_str - test->str_sec; 6820 patched_linfo = patch_name_tbd(test->line_info, 6821 test->str_sec, linfo_str_off, 6822 test->str_sec_size, &linfo_size); 6823 err = libbpf_get_error(patched_linfo); 6824 if (err) { 6825 fprintf(stderr, "error in creating raw bpf_line_info"); 6826 err = -1; 6827 goto done; 6828 } 6829 6830 attr.prog_type = test->prog_type; 6831 attr.insns = ptr_to_u64(test->insns); 6832 attr.insn_cnt = probe_prog_length(test->insns); 6833 attr.license = ptr_to_u64("GPL"); 6834 attr.prog_btf_fd = btf_fd; 6835 attr.func_info_rec_size = test->func_info_rec_size; 6836 attr.func_info_cnt = test->func_info_cnt; 6837 attr.func_info = ptr_to_u64(test->func_info); 6838 attr.log_buf = ptr_to_u64(btf_log_buf); 6839 attr.log_size = BTF_LOG_BUF_SIZE; 6840 attr.log_level = 1; 6841 if (linfo_size) { 6842 attr.line_info_rec_size = test->line_info_rec_size; 6843 attr.line_info = ptr_to_u64(patched_linfo); 6844 attr.line_info_cnt = linfo_size / attr.line_info_rec_size; 6845 } 6846 6847 prog_fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)); 6848 err = ((prog_fd < 0) != test->expected_prog_load_failure); 6849 if (CHECK(err, "prog_fd:%d expected_prog_load_failure:%u errno:%d", 6850 prog_fd, test->expected_prog_load_failure, errno) || 6851 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str), 6852 "expected err_str:%s", test->err_str)) { 6853 err = -1; 6854 goto done; 6855 } 6856 6857 if (prog_fd < 0) 6858 goto done; 6859 6860 err = test_get_finfo(test, prog_fd); 6861 if (err) 6862 goto done; 6863 6864 err = test_get_linfo(test, patched_linfo, 6865 attr.line_info_cnt - test->dead_code_cnt, 6866 prog_fd); 6867 if (err) 6868 goto done; 6869 6870done: 6871 if (*btf_log_buf && (err || always_log)) 6872 fprintf(stderr, "\n%s", btf_log_buf); 6873 6874 if (btf_fd >= 0) 6875 close(btf_fd); 6876 if (prog_fd >= 0) 6877 close(prog_fd); 6878 6879 if (!libbpf_get_error(patched_linfo)) 6880 free(patched_linfo); 6881} 6882 6883struct btf_raw_data { 6884 __u32 raw_types[MAX_NR_RAW_U32]; 6885 const char *str_sec; 6886 __u32 str_sec_size; 6887}; 6888 6889struct btf_dedup_test { 6890 const char *descr; 6891 struct btf_raw_data input; 6892 struct btf_raw_data expect; 6893 struct btf_dedup_opts opts; 6894}; 6895 6896static struct btf_dedup_test dedup_tests[] = { 6897 6898{ 6899 .descr = "dedup: unused strings filtering", 6900 .input = { 6901 .raw_types = { 6902 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 4), 6903 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 64, 8), 6904 BTF_END_RAW, 6905 }, 6906 BTF_STR_SEC("\0unused\0int\0foo\0bar\0long"), 6907 }, 6908 .expect = { 6909 .raw_types = { 6910 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6911 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6912 BTF_END_RAW, 6913 }, 6914 BTF_STR_SEC("\0int\0long"), 6915 }, 6916}, 6917{ 6918 .descr = "dedup: strings deduplication", 6919 .input = { 6920 .raw_types = { 6921 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6922 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6923 BTF_TYPE_INT_ENC(NAME_NTH(3), BTF_INT_SIGNED, 0, 32, 4), 6924 BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 64, 8), 6925 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), 6926 BTF_END_RAW, 6927 }, 6928 BTF_STR_SEC("\0int\0long int\0int\0long int\0int"), 6929 }, 6930 .expect = { 6931 .raw_types = { 6932 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6933 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6934 BTF_END_RAW, 6935 }, 6936 BTF_STR_SEC("\0int\0long int"), 6937 }, 6938}, 6939{ 6940 .descr = "dedup: struct example #1", 6941 /* 6942 * struct s { 6943 * struct s *next; 6944 * const int *a; 6945 * int b[16]; 6946 * int c; 6947 * } 6948 */ 6949 .input = { 6950 .raw_types = { 6951 /* int */ 6952 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6953 /* int[16] */ 6954 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */ 6955 /* struct s { */ 6956 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [3] */ 6957 BTF_MEMBER_ENC(NAME_NTH(3), 4, 0), /* struct s *next; */ 6958 BTF_MEMBER_ENC(NAME_NTH(4), 5, 64), /* const int *a; */ 6959 BTF_MEMBER_ENC(NAME_NTH(5), 2, 128), /* int b[16]; */ 6960 BTF_MEMBER_ENC(NAME_NTH(6), 1, 640), /* int c; */ 6961 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), /* float d; */ 6962 /* ptr -> [3] struct s */ 6963 BTF_PTR_ENC(3), /* [4] */ 6964 /* ptr -> [6] const int */ 6965 BTF_PTR_ENC(6), /* [5] */ 6966 /* const -> [1] int */ 6967 BTF_CONST_ENC(1), /* [6] */ 6968 /* tag -> [3] struct s */ 6969 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */ 6970 /* tag -> [3] struct s, member 1 */ 6971 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */ 6972 6973 /* full copy of the above */ 6974 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [9] */ 6975 BTF_TYPE_ARRAY_ENC(9, 9, 16), /* [10] */ 6976 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [11] */ 6977 BTF_MEMBER_ENC(NAME_NTH(3), 12, 0), 6978 BTF_MEMBER_ENC(NAME_NTH(4), 13, 64), 6979 BTF_MEMBER_ENC(NAME_NTH(5), 10, 128), 6980 BTF_MEMBER_ENC(NAME_NTH(6), 9, 640), 6981 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), 6982 BTF_PTR_ENC(11), /* [12] */ 6983 BTF_PTR_ENC(14), /* [13] */ 6984 BTF_CONST_ENC(9), /* [14] */ 6985 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [15] */ 6986 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, -1), /* [16] */ 6987 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, 1), /* [17] */ 6988 BTF_END_RAW, 6989 }, 6990 BTF_STR_SEC("\0int\0s\0next\0a\0b\0c\0float\0d"), 6991 }, 6992 .expect = { 6993 .raw_types = { 6994 /* int */ 6995 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6996 /* int[16] */ 6997 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */ 6998 /* struct s { */ 6999 BTF_STRUCT_ENC(NAME_NTH(8), 5, 88), /* [3] */ 7000 BTF_MEMBER_ENC(NAME_NTH(7), 4, 0), /* struct s *next; */ 7001 BTF_MEMBER_ENC(NAME_NTH(1), 5, 64), /* const int *a; */ 7002 BTF_MEMBER_ENC(NAME_NTH(2), 2, 128), /* int b[16]; */ 7003 BTF_MEMBER_ENC(NAME_NTH(3), 1, 640), /* int c; */ 7004 BTF_MEMBER_ENC(NAME_NTH(4), 9, 672), /* float d; */ 7005 /* ptr -> [3] struct s */ 7006 BTF_PTR_ENC(3), /* [4] */ 7007 /* ptr -> [6] const int */ 7008 BTF_PTR_ENC(6), /* [5] */ 7009 /* const -> [1] int */ 7010 BTF_CONST_ENC(1), /* [6] */ 7011 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */ 7012 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */ 7013 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [9] */ 7014 BTF_END_RAW, 7015 }, 7016 BTF_STR_SEC("\0a\0b\0c\0d\0int\0float\0next\0s"), 7017 }, 7018}, 7019{ 7020 .descr = "dedup: struct <-> fwd resolution w/ hash collision", 7021 /* 7022 * // CU 1: 7023 * struct x; 7024 * struct s { 7025 * struct x *x; 7026 * }; 7027 * // CU 2: 7028 * struct x {}; 7029 * struct s { 7030 * struct x *x; 7031 * }; 7032 */ 7033 .input = { 7034 .raw_types = { 7035 /* CU 1 */ 7036 BTF_FWD_ENC(NAME_TBD, 0 /* struct fwd */), /* [1] fwd x */ 7037 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 7038 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] struct s */ 7039 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 7040 /* CU 2 */ 7041 BTF_STRUCT_ENC(NAME_TBD, 0, 0), /* [4] struct x */ 7042 BTF_PTR_ENC(4), /* [5] ptr -> [4] */ 7043 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [6] struct s */ 7044 BTF_MEMBER_ENC(NAME_TBD, 5, 0), 7045 BTF_END_RAW, 7046 }, 7047 BTF_STR_SEC("\0x\0s\0x\0x\0s\0x\0"), 7048 }, 7049 .expect = { 7050 .raw_types = { 7051 BTF_PTR_ENC(3), /* [1] ptr -> [3] */ 7052 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [2] struct s */ 7053 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7054 BTF_STRUCT_ENC(NAME_NTH(2), 0, 0), /* [3] struct x */ 7055 BTF_END_RAW, 7056 }, 7057 BTF_STR_SEC("\0s\0x"), 7058 }, 7059 .opts = { 7060 .force_collisions = true, /* force hash collisions */ 7061 }, 7062}, 7063{ 7064 .descr = "dedup: void equiv check", 7065 /* 7066 * // CU 1: 7067 * struct s { 7068 * struct {} *x; 7069 * }; 7070 * // CU 2: 7071 * struct s { 7072 * int *x; 7073 * }; 7074 */ 7075 .input = { 7076 .raw_types = { 7077 /* CU 1 */ 7078 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */ 7079 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 7080 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */ 7081 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7082 /* CU 2 */ 7083 BTF_PTR_ENC(0), /* [4] ptr -> void */ 7084 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */ 7085 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0), 7086 BTF_END_RAW, 7087 }, 7088 BTF_STR_SEC("\0s\0x"), 7089 }, 7090 .expect = { 7091 .raw_types = { 7092 /* CU 1 */ 7093 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */ 7094 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 7095 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */ 7096 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7097 /* CU 2 */ 7098 BTF_PTR_ENC(0), /* [4] ptr -> void */ 7099 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */ 7100 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0), 7101 BTF_END_RAW, 7102 }, 7103 BTF_STR_SEC("\0s\0x"), 7104 }, 7105 .opts = { 7106 .force_collisions = true, /* force hash collisions */ 7107 }, 7108}, 7109{ 7110 .descr = "dedup: all possible kinds (no duplicates)", 7111 .input = { 7112 .raw_types = { 7113 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */ 7114 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */ 7115 BTF_ENUM_ENC(NAME_TBD, 0), 7116 BTF_ENUM_ENC(NAME_TBD, 1), 7117 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */ 7118 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */ 7119 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */ 7120 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7121 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */ 7122 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7123 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */ 7124 BTF_PTR_ENC(0), /* [8] ptr */ 7125 BTF_CONST_ENC(8), /* [9] const */ 7126 BTF_VOLATILE_ENC(8), /* [10] volatile */ 7127 BTF_RESTRICT_ENC(8), /* [11] restrict */ 7128 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ 7129 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 7130 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), 7131 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ 7132 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ 7133 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ 7134 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ 7135 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ 7136 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ 7137 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */ 7138 BTF_ENUM64_ENC(NAME_TBD, 0, 0), 7139 BTF_ENUM64_ENC(NAME_TBD, 1, 1), 7140 BTF_END_RAW, 7141 }, 7142 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"), 7143 }, 7144 .expect = { 7145 .raw_types = { 7146 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */ 7147 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */ 7148 BTF_ENUM_ENC(NAME_TBD, 0), 7149 BTF_ENUM_ENC(NAME_TBD, 1), 7150 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */ 7151 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */ 7152 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */ 7153 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7154 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */ 7155 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7156 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */ 7157 BTF_PTR_ENC(0), /* [8] ptr */ 7158 BTF_CONST_ENC(8), /* [9] const */ 7159 BTF_VOLATILE_ENC(8), /* [10] volatile */ 7160 BTF_RESTRICT_ENC(8), /* [11] restrict */ 7161 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ 7162 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 7163 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), 7164 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ 7165 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ 7166 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ 7167 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ 7168 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ 7169 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ 7170 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */ 7171 BTF_ENUM64_ENC(NAME_TBD, 0, 0), 7172 BTF_ENUM64_ENC(NAME_TBD, 1, 1), 7173 BTF_END_RAW, 7174 }, 7175 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"), 7176 }, 7177}, 7178{ 7179 .descr = "dedup: no int/float duplicates", 7180 .input = { 7181 .raw_types = { 7182 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8), 7183 /* different name */ 7184 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8), 7185 /* different encoding */ 7186 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8), 7187 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8), 7188 /* different bit offset */ 7189 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8), 7190 /* different bit size */ 7191 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8), 7192 /* different byte size */ 7193 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 7194 /* all allowed sizes */ 7195 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2), 7196 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4), 7197 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8), 7198 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12), 7199 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16), 7200 BTF_END_RAW, 7201 }, 7202 BTF_STR_SEC("\0int\0some other int\0float"), 7203 }, 7204 .expect = { 7205 .raw_types = { 7206 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8), 7207 /* different name */ 7208 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8), 7209 /* different encoding */ 7210 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8), 7211 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8), 7212 /* different bit offset */ 7213 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8), 7214 /* different bit size */ 7215 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8), 7216 /* different byte size */ 7217 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 7218 /* all allowed sizes */ 7219 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2), 7220 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4), 7221 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8), 7222 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12), 7223 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16), 7224 BTF_END_RAW, 7225 }, 7226 BTF_STR_SEC("\0int\0some other int\0float"), 7227 }, 7228}, 7229{ 7230 .descr = "dedup: enum fwd resolution", 7231 .input = { 7232 .raw_types = { 7233 /* [1] fwd enum 'e1' before full enum */ 7234 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), 7235 /* [2] full enum 'e1' after fwd */ 7236 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7237 BTF_ENUM_ENC(NAME_NTH(2), 123), 7238 /* [3] full enum 'e2' before fwd */ 7239 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7240 BTF_ENUM_ENC(NAME_NTH(4), 456), 7241 /* [4] fwd enum 'e2' after full enum */ 7242 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), 7243 /* [5] fwd enum with different size, size does not matter for fwd */ 7244 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1), 7245 /* [6] incompatible full enum with different value */ 7246 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7247 BTF_ENUM_ENC(NAME_NTH(2), 321), 7248 BTF_END_RAW, 7249 }, 7250 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7251 }, 7252 .expect = { 7253 .raw_types = { 7254 /* [1] full enum 'e1' */ 7255 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7256 BTF_ENUM_ENC(NAME_NTH(2), 123), 7257 /* [2] full enum 'e2' */ 7258 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7259 BTF_ENUM_ENC(NAME_NTH(4), 456), 7260 /* [3] incompatible full enum with different value */ 7261 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7262 BTF_ENUM_ENC(NAME_NTH(2), 321), 7263 BTF_END_RAW, 7264 }, 7265 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7266 }, 7267}, 7268{ 7269 .descr = "dedup: datasec and vars pass-through", 7270 .input = { 7271 .raw_types = { 7272 /* int */ 7273 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7274 /* static int t */ 7275 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */ 7276 /* .bss section */ /* [3] */ 7277 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7278 BTF_VAR_SECINFO_ENC(2, 0, 4), 7279 /* int, referenced from [5] */ 7280 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */ 7281 /* another static int t */ 7282 BTF_VAR_ENC(NAME_NTH(2), 4, 0), /* [5] */ 7283 /* another .bss section */ /* [6] */ 7284 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7285 BTF_VAR_SECINFO_ENC(5, 0, 4), 7286 BTF_END_RAW, 7287 }, 7288 BTF_STR_SEC("\0.bss\0t"), 7289 }, 7290 .expect = { 7291 .raw_types = { 7292 /* int */ 7293 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7294 /* static int t */ 7295 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */ 7296 /* .bss section */ /* [3] */ 7297 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7298 BTF_VAR_SECINFO_ENC(2, 0, 4), 7299 /* another static int t */ 7300 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [4] */ 7301 /* another .bss section */ /* [5] */ 7302 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7303 BTF_VAR_SECINFO_ENC(4, 0, 4), 7304 BTF_END_RAW, 7305 }, 7306 BTF_STR_SEC("\0.bss\0t"), 7307 }, 7308 .opts = { 7309 .force_collisions = true 7310 }, 7311}, 7312{ 7313 .descr = "dedup: func/func_arg/var tags", 7314 .input = { 7315 .raw_types = { 7316 /* int */ 7317 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7318 /* static int t */ 7319 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */ 7320 /* void f(int a1, int a2) */ 7321 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 7322 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7323 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1), 7324 BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */ 7325 /* tag -> t */ 7326 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7327 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [6] */ 7328 /* tag -> func */ 7329 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [7] */ 7330 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [8] */ 7331 /* tag -> func arg a1 */ 7332 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [9] */ 7333 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [10] */ 7334 BTF_END_RAW, 7335 }, 7336 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"), 7337 }, 7338 .expect = { 7339 .raw_types = { 7340 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7341 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */ 7342 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 7343 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7344 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1), 7345 BTF_FUNC_ENC(NAME_NTH(4), 3), /* [4] */ 7346 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7347 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [6] */ 7348 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [7] */ 7349 BTF_END_RAW, 7350 }, 7351 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"), 7352 }, 7353}, 7354{ 7355 .descr = "dedup: func/func_param tags", 7356 .input = { 7357 .raw_types = { 7358 /* int */ 7359 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7360 /* void f(int a1, int a2) */ 7361 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 7362 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7363 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7364 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */ 7365 /* void f(int a1, int a2) */ 7366 BTF_FUNC_PROTO_ENC(0, 2), /* [4] */ 7367 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7368 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7369 BTF_FUNC_ENC(NAME_NTH(3), 4), /* [5] */ 7370 /* tag -> f: tag1, tag2 */ 7371 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [6] */ 7372 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [7] */ 7373 /* tag -> f/a2: tag1, tag2 */ 7374 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [8] */ 7375 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [9] */ 7376 /* tag -> f: tag1, tag3 */ 7377 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, -1), /* [10] */ 7378 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, -1), /* [11] */ 7379 /* tag -> f/a2: tag1, tag3 */ 7380 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, 1), /* [12] */ 7381 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, 1), /* [13] */ 7382 BTF_END_RAW, 7383 }, 7384 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"), 7385 }, 7386 .expect = { 7387 .raw_types = { 7388 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7389 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 7390 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7391 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7392 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */ 7393 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [4] */ 7394 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [5] */ 7395 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [6] */ 7396 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [7] */ 7397 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [8] */ 7398 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [9] */ 7399 BTF_END_RAW, 7400 }, 7401 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"), 7402 }, 7403}, 7404{ 7405 .descr = "dedup: struct/struct_member tags", 7406 .input = { 7407 .raw_types = { 7408 /* int */ 7409 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7410 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */ 7411 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7412 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7413 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [3] */ 7414 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7415 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7416 /* tag -> t: tag1, tag2 */ 7417 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [4] */ 7418 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7419 /* tag -> t/m2: tag1, tag2 */ 7420 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */ 7421 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */ 7422 /* tag -> t: tag1, tag3 */ 7423 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [8] */ 7424 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [9] */ 7425 /* tag -> t/m2: tag1, tag3 */ 7426 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [10] */ 7427 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [11] */ 7428 BTF_END_RAW, 7429 }, 7430 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), 7431 }, 7432 .expect = { 7433 .raw_types = { 7434 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7435 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */ 7436 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7437 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7438 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [3] */ 7439 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [4] */ 7440 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, -1), /* [5] */ 7441 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */ 7442 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */ 7443 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, 1), /* [8] */ 7444 BTF_END_RAW, 7445 }, 7446 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), 7447 }, 7448}, 7449{ 7450 .descr = "dedup: typedef tags", 7451 .input = { 7452 .raw_types = { 7453 /* int */ 7454 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7455 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ 7456 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [3] */ 7457 /* tag -> t: tag1, tag2 */ 7458 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [4] */ 7459 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [5] */ 7460 /* tag -> t: tag1, tag3 */ 7461 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [6] */ 7462 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [7] */ 7463 BTF_END_RAW, 7464 }, 7465 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"), 7466 }, 7467 .expect = { 7468 .raw_types = { 7469 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7470 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ 7471 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [3] */ 7472 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [4] */ 7473 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [5] */ 7474 BTF_END_RAW, 7475 }, 7476 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"), 7477 }, 7478}, 7479{ 7480 .descr = "dedup: btf_type_tag #1", 7481 .input = { 7482 .raw_types = { 7483 /* ptr -> tag2 -> tag1 -> int */ 7484 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7485 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7486 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7487 BTF_PTR_ENC(3), /* [4] */ 7488 /* ptr -> tag2 -> tag1 -> int */ 7489 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [5] */ 7490 BTF_TYPE_TAG_ENC(NAME_NTH(2), 5), /* [6] */ 7491 BTF_PTR_ENC(6), /* [7] */ 7492 /* ptr -> tag1 -> int */ 7493 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [8] */ 7494 BTF_PTR_ENC(8), /* [9] */ 7495 BTF_END_RAW, 7496 }, 7497 BTF_STR_SEC("\0tag1\0tag2"), 7498 }, 7499 .expect = { 7500 .raw_types = { 7501 /* ptr -> tag2 -> tag1 -> int */ 7502 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7503 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7504 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7505 BTF_PTR_ENC(3), /* [4] */ 7506 /* ptr -> tag1 -> int */ 7507 BTF_PTR_ENC(2), /* [5] */ 7508 BTF_END_RAW, 7509 }, 7510 BTF_STR_SEC("\0tag1\0tag2"), 7511 }, 7512}, 7513{ 7514 .descr = "dedup: btf_type_tag #2", 7515 .input = { 7516 .raw_types = { 7517 /* ptr -> tag2 -> tag1 -> int */ 7518 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7519 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7520 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7521 BTF_PTR_ENC(3), /* [4] */ 7522 /* ptr -> tag2 -> int */ 7523 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7524 BTF_PTR_ENC(5), /* [6] */ 7525 BTF_END_RAW, 7526 }, 7527 BTF_STR_SEC("\0tag1\0tag2"), 7528 }, 7529 .expect = { 7530 .raw_types = { 7531 /* ptr -> tag2 -> tag1 -> int */ 7532 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7533 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7534 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7535 BTF_PTR_ENC(3), /* [4] */ 7536 /* ptr -> tag2 -> int */ 7537 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7538 BTF_PTR_ENC(5), /* [6] */ 7539 BTF_END_RAW, 7540 }, 7541 BTF_STR_SEC("\0tag1\0tag2"), 7542 }, 7543}, 7544{ 7545 .descr = "dedup: btf_type_tag #3", 7546 .input = { 7547 .raw_types = { 7548 /* ptr -> tag2 -> tag1 -> int */ 7549 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7550 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7551 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7552 BTF_PTR_ENC(3), /* [4] */ 7553 /* ptr -> tag1 -> tag2 -> int */ 7554 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7555 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ 7556 BTF_PTR_ENC(6), /* [7] */ 7557 BTF_END_RAW, 7558 }, 7559 BTF_STR_SEC("\0tag1\0tag2"), 7560 }, 7561 .expect = { 7562 .raw_types = { 7563 /* ptr -> tag2 -> tag1 -> int */ 7564 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7565 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7566 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7567 BTF_PTR_ENC(3), /* [4] */ 7568 /* ptr -> tag1 -> tag2 -> int */ 7569 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7570 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ 7571 BTF_PTR_ENC(6), /* [7] */ 7572 BTF_END_RAW, 7573 }, 7574 BTF_STR_SEC("\0tag1\0tag2"), 7575 }, 7576}, 7577{ 7578 .descr = "dedup: btf_type_tag #4", 7579 .input = { 7580 .raw_types = { 7581 /* ptr -> tag1 -> int */ 7582 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7583 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7584 BTF_PTR_ENC(2), /* [3] */ 7585 /* ptr -> tag1 -> long */ 7586 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ 7587 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ 7588 BTF_PTR_ENC(5), /* [6] */ 7589 BTF_END_RAW, 7590 }, 7591 BTF_STR_SEC("\0tag1"), 7592 }, 7593 .expect = { 7594 .raw_types = { 7595 /* ptr -> tag1 -> int */ 7596 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7597 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7598 BTF_PTR_ENC(2), /* [3] */ 7599 /* ptr -> tag1 -> long */ 7600 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ 7601 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ 7602 BTF_PTR_ENC(5), /* [6] */ 7603 BTF_END_RAW, 7604 }, 7605 BTF_STR_SEC("\0tag1"), 7606 }, 7607}, 7608{ 7609 .descr = "dedup: btf_type_tag #5, struct", 7610 .input = { 7611 .raw_types = { 7612 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7613 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7614 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ 7615 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), 7616 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [4] */ 7617 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [5] */ 7618 BTF_MEMBER_ENC(NAME_NTH(3), 4, BTF_MEMBER_OFFSET(0, 0)), 7619 BTF_END_RAW, 7620 }, 7621 BTF_STR_SEC("\0tag1\0t\0m"), 7622 }, 7623 .expect = { 7624 .raw_types = { 7625 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7626 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7627 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ 7628 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), 7629 BTF_END_RAW, 7630 }, 7631 BTF_STR_SEC("\0tag1\0t\0m"), 7632 }, 7633}, 7634{ 7635 .descr = "dedup: enum64, standalone", 7636 .input = { 7637 .raw_types = { 7638 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7639 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7640 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7641 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7642 BTF_END_RAW, 7643 }, 7644 BTF_STR_SEC("\0e1\0e1_val"), 7645 }, 7646 .expect = { 7647 .raw_types = { 7648 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7649 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7650 BTF_END_RAW, 7651 }, 7652 BTF_STR_SEC("\0e1\0e1_val"), 7653 }, 7654}, 7655{ 7656 .descr = "dedup: enum64, fwd resolution", 7657 .input = { 7658 .raw_types = { 7659 /* [1] fwd enum64 'e1' before full enum */ 7660 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8), 7661 /* [2] full enum64 'e1' after fwd */ 7662 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7663 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7664 /* [3] full enum64 'e2' before fwd */ 7665 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7666 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456), 7667 /* [4] fwd enum64 'e2' after full enum */ 7668 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8), 7669 /* [5] incompatible full enum64 with different value */ 7670 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7671 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321), 7672 BTF_END_RAW, 7673 }, 7674 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7675 }, 7676 .expect = { 7677 .raw_types = { 7678 /* [1] full enum64 'e1' */ 7679 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7680 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7681 /* [2] full enum64 'e2' */ 7682 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7683 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456), 7684 /* [3] incompatible full enum64 with different value */ 7685 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7686 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321), 7687 BTF_END_RAW, 7688 }, 7689 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7690 }, 7691}, 7692{ 7693 .descr = "dedup: enum and enum64, no dedup", 7694 .input = { 7695 .raw_types = { 7696 /* [1] enum 'e1' */ 7697 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7698 BTF_ENUM_ENC(NAME_NTH(2), 1), 7699 /* [2] enum64 'e1' */ 7700 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4), 7701 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), 7702 BTF_END_RAW, 7703 }, 7704 BTF_STR_SEC("\0e1\0e1_val"), 7705 }, 7706 .expect = { 7707 .raw_types = { 7708 /* [1] enum 'e1' */ 7709 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7710 BTF_ENUM_ENC(NAME_NTH(2), 1), 7711 /* [2] enum64 'e1' */ 7712 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4), 7713 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), 7714 BTF_END_RAW, 7715 }, 7716 BTF_STR_SEC("\0e1\0e1_val"), 7717 }, 7718}, 7719{ 7720 .descr = "dedup: enum of different size: no dedup", 7721 .input = { 7722 .raw_types = { 7723 /* [1] enum 'e1' */ 7724 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7725 BTF_ENUM_ENC(NAME_NTH(2), 1), 7726 /* [2] enum 'e1' */ 7727 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2), 7728 BTF_ENUM_ENC(NAME_NTH(2), 1), 7729 BTF_END_RAW, 7730 }, 7731 BTF_STR_SEC("\0e1\0e1_val"), 7732 }, 7733 .expect = { 7734 .raw_types = { 7735 /* [1] enum 'e1' */ 7736 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7737 BTF_ENUM_ENC(NAME_NTH(2), 1), 7738 /* [2] enum 'e1' */ 7739 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 2), 7740 BTF_ENUM_ENC(NAME_NTH(2), 1), 7741 BTF_END_RAW, 7742 }, 7743 BTF_STR_SEC("\0e1\0e1_val"), 7744 }, 7745}, 7746{ 7747 .descr = "dedup: enum fwd to enum64", 7748 .input = { 7749 .raw_types = { 7750 /* [1] enum64 'e1' */ 7751 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7752 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), 7753 /* [2] enum 'e1' fwd */ 7754 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), 7755 /* [3] typedef enum 'e1' td */ 7756 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2), 7757 BTF_END_RAW, 7758 }, 7759 BTF_STR_SEC("\0e1\0e1_val\0td"), 7760 }, 7761 .expect = { 7762 .raw_types = { 7763 /* [1] enum64 'e1' */ 7764 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7765 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), 7766 /* [2] typedef enum 'e1' td */ 7767 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1), 7768 BTF_END_RAW, 7769 }, 7770 BTF_STR_SEC("\0e1\0e1_val\0td"), 7771 }, 7772}, 7773{ 7774 .descr = "dedup: enum64 fwd to enum", 7775 .input = { 7776 .raw_types = { 7777 /* [1] enum 'e1' */ 7778 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7779 BTF_ENUM_ENC(NAME_NTH(2), 1), 7780 /* [2] enum64 'e1' fwd */ 7781 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8), 7782 /* [3] typedef enum 'e1' td */ 7783 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 2), 7784 BTF_END_RAW, 7785 }, 7786 BTF_STR_SEC("\0e1\0e1_val\0td"), 7787 }, 7788 .expect = { 7789 .raw_types = { 7790 /* [1] enum 'e1' */ 7791 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7792 BTF_ENUM_ENC(NAME_NTH(2), 1), 7793 /* [2] typedef enum 'e1' td */ 7794 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_TYPEDEF, 0, 0), 1), 7795 BTF_END_RAW, 7796 }, 7797 BTF_STR_SEC("\0e1\0e1_val\0td"), 7798 }, 7799}, 7800{ 7801 .descr = "dedup: standalone fwd declaration struct", 7802 /* 7803 * Verify that CU1:foo and CU2:foo would be unified and that 7804 * typedef/ptr would be updated to point to CU1:foo. 7805 * 7806 * // CU 1: 7807 * struct foo { int x; }; 7808 * 7809 * // CU 2: 7810 * struct foo; 7811 * typedef struct foo *foo_ptr; 7812 */ 7813 .input = { 7814 .raw_types = { 7815 /* CU 1 */ 7816 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7817 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7818 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7819 /* CU 2 */ 7820 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */ 7821 BTF_PTR_ENC(3), /* [4] */ 7822 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ 7823 BTF_END_RAW, 7824 }, 7825 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 7826 }, 7827 .expect = { 7828 .raw_types = { 7829 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7830 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7831 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7832 BTF_PTR_ENC(1), /* [3] */ 7833 BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */ 7834 BTF_END_RAW, 7835 }, 7836 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 7837 }, 7838}, 7839{ 7840 .descr = "dedup: standalone fwd declaration union", 7841 /* 7842 * Verify that CU1:foo and CU2:foo would be unified and that 7843 * typedef/ptr would be updated to point to CU1:foo. 7844 * Same as "dedup: standalone fwd declaration struct" but for unions. 7845 * 7846 * // CU 1: 7847 * union foo { int x; }; 7848 * 7849 * // CU 2: 7850 * union foo; 7851 * typedef union foo *foo_ptr; 7852 */ 7853 .input = { 7854 .raw_types = { 7855 /* CU 1 */ 7856 BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7857 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7858 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7859 /* CU 2 */ 7860 BTF_FWD_ENC(NAME_TBD, 1), /* [3] */ 7861 BTF_PTR_ENC(3), /* [4] */ 7862 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ 7863 BTF_END_RAW, 7864 }, 7865 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 7866 }, 7867 .expect = { 7868 .raw_types = { 7869 BTF_UNION_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7870 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7871 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7872 BTF_PTR_ENC(1), /* [3] */ 7873 BTF_TYPEDEF_ENC(NAME_NTH(3), 3), /* [4] */ 7874 BTF_END_RAW, 7875 }, 7876 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 7877 }, 7878}, 7879{ 7880 .descr = "dedup: standalone fwd declaration wrong kind", 7881 /* 7882 * Negative test for btf_dedup_resolve_fwds: 7883 * - CU1:foo is a struct, C2:foo is a union, thus CU2:foo is not deduped; 7884 * - typedef/ptr should remain unchanged as well. 7885 * 7886 * // CU 1: 7887 * struct foo { int x; }; 7888 * 7889 * // CU 2: 7890 * union foo; 7891 * typedef union foo *foo_ptr; 7892 */ 7893 .input = { 7894 .raw_types = { 7895 /* CU 1 */ 7896 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7897 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7898 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7899 /* CU 2 */ 7900 BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */ 7901 BTF_PTR_ENC(3), /* [4] */ 7902 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ 7903 BTF_END_RAW, 7904 }, 7905 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 7906 }, 7907 .expect = { 7908 .raw_types = { 7909 /* CU 1 */ 7910 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7911 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7912 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7913 /* CU 2 */ 7914 BTF_FWD_ENC(NAME_NTH(3), 1), /* [3] */ 7915 BTF_PTR_ENC(3), /* [4] */ 7916 BTF_TYPEDEF_ENC(NAME_NTH(3), 4), /* [5] */ 7917 BTF_END_RAW, 7918 }, 7919 BTF_STR_SEC("\0foo\0x\0foo_ptr"), 7920 }, 7921}, 7922{ 7923 .descr = "dedup: standalone fwd declaration name conflict", 7924 /* 7925 * Negative test for btf_dedup_resolve_fwds: 7926 * - two candidates for CU2:foo dedup, thus it is unchanged; 7927 * - typedef/ptr should remain unchanged as well. 7928 * 7929 * // CU 1: 7930 * struct foo { int x; }; 7931 * 7932 * // CU 2: 7933 * struct foo; 7934 * typedef struct foo *foo_ptr; 7935 * 7936 * // CU 3: 7937 * struct foo { int x; int y; }; 7938 */ 7939 .input = { 7940 .raw_types = { 7941 /* CU 1 */ 7942 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7943 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7944 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7945 /* CU 2 */ 7946 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */ 7947 BTF_PTR_ENC(3), /* [4] */ 7948 BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */ 7949 /* CU 3 */ 7950 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */ 7951 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7952 BTF_MEMBER_ENC(NAME_NTH(3), 2, 0), 7953 BTF_END_RAW, 7954 }, 7955 BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"), 7956 }, 7957 .expect = { 7958 .raw_types = { 7959 /* CU 1 */ 7960 BTF_STRUCT_ENC(NAME_NTH(1), 1, 4), /* [1] */ 7961 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7962 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [2] */ 7963 /* CU 2 */ 7964 BTF_FWD_ENC(NAME_NTH(1), 0), /* [3] */ 7965 BTF_PTR_ENC(3), /* [4] */ 7966 BTF_TYPEDEF_ENC(NAME_NTH(4), 4), /* [5] */ 7967 /* CU 3 */ 7968 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [6] */ 7969 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 7970 BTF_MEMBER_ENC(NAME_NTH(3), 2, 0), 7971 BTF_END_RAW, 7972 }, 7973 BTF_STR_SEC("\0foo\0x\0y\0foo_ptr"), 7974 }, 7975}, 7976}; 7977 7978static int btf_type_size(const struct btf_type *t) 7979{ 7980 int base_size = sizeof(struct btf_type); 7981 __u16 vlen = BTF_INFO_VLEN(t->info); 7982 __u16 kind = BTF_INFO_KIND(t->info); 7983 7984 switch (kind) { 7985 case BTF_KIND_FWD: 7986 case BTF_KIND_CONST: 7987 case BTF_KIND_VOLATILE: 7988 case BTF_KIND_RESTRICT: 7989 case BTF_KIND_PTR: 7990 case BTF_KIND_TYPEDEF: 7991 case BTF_KIND_FUNC: 7992 case BTF_KIND_FLOAT: 7993 case BTF_KIND_TYPE_TAG: 7994 return base_size; 7995 case BTF_KIND_INT: 7996 return base_size + sizeof(__u32); 7997 case BTF_KIND_ENUM: 7998 return base_size + vlen * sizeof(struct btf_enum); 7999 case BTF_KIND_ENUM64: 8000 return base_size + vlen * sizeof(struct btf_enum64); 8001 case BTF_KIND_ARRAY: 8002 return base_size + sizeof(struct btf_array); 8003 case BTF_KIND_STRUCT: 8004 case BTF_KIND_UNION: 8005 return base_size + vlen * sizeof(struct btf_member); 8006 case BTF_KIND_FUNC_PROTO: 8007 return base_size + vlen * sizeof(struct btf_param); 8008 case BTF_KIND_VAR: 8009 return base_size + sizeof(struct btf_var); 8010 case BTF_KIND_DATASEC: 8011 return base_size + vlen * sizeof(struct btf_var_secinfo); 8012 case BTF_KIND_DECL_TAG: 8013 return base_size + sizeof(struct btf_decl_tag); 8014 default: 8015 fprintf(stderr, "Unsupported BTF_KIND:%u\n", kind); 8016 return -EINVAL; 8017 } 8018} 8019 8020static void dump_btf_strings(const char *strs, __u32 len) 8021{ 8022 const char *cur = strs; 8023 int i = 0; 8024 8025 while (cur < strs + len) { 8026 fprintf(stderr, "string #%d: '%s'\n", i, cur); 8027 cur += strlen(cur) + 1; 8028 i++; 8029 } 8030} 8031 8032static void do_test_dedup(unsigned int test_num) 8033{ 8034 struct btf_dedup_test *test = &dedup_tests[test_num - 1]; 8035 __u32 test_nr_types, expect_nr_types, test_btf_size, expect_btf_size; 8036 const struct btf_header *test_hdr, *expect_hdr; 8037 struct btf *test_btf = NULL, *expect_btf = NULL; 8038 const void *test_btf_data, *expect_btf_data; 8039 const char *ret_test_next_str, *ret_expect_next_str; 8040 const char *test_strs, *expect_strs; 8041 const char *test_str_cur; 8042 const char *expect_str_cur, *expect_str_end; 8043 unsigned int raw_btf_size; 8044 void *raw_btf; 8045 int err = 0, i; 8046 8047 if (!test__start_subtest(test->descr)) 8048 return; 8049 8050 raw_btf = btf_raw_create(&hdr_tmpl, test->input.raw_types, 8051 test->input.str_sec, test->input.str_sec_size, 8052 &raw_btf_size, &ret_test_next_str); 8053 if (!raw_btf) 8054 return; 8055 8056 test_btf = btf__new((__u8 *)raw_btf, raw_btf_size); 8057 err = libbpf_get_error(test_btf); 8058 free(raw_btf); 8059 if (CHECK(err, "invalid test_btf errno:%d", err)) { 8060 err = -1; 8061 goto done; 8062 } 8063 8064 raw_btf = btf_raw_create(&hdr_tmpl, test->expect.raw_types, 8065 test->expect.str_sec, 8066 test->expect.str_sec_size, 8067 &raw_btf_size, &ret_expect_next_str); 8068 if (!raw_btf) 8069 return; 8070 expect_btf = btf__new((__u8 *)raw_btf, raw_btf_size); 8071 err = libbpf_get_error(expect_btf); 8072 free(raw_btf); 8073 if (CHECK(err, "invalid expect_btf errno:%d", err)) { 8074 err = -1; 8075 goto done; 8076 } 8077 8078 test->opts.sz = sizeof(test->opts); 8079 err = btf__dedup(test_btf, &test->opts); 8080 if (CHECK(err, "btf_dedup failed errno:%d", err)) { 8081 err = -1; 8082 goto done; 8083 } 8084 8085 test_btf_data = btf__raw_data(test_btf, &test_btf_size); 8086 expect_btf_data = btf__raw_data(expect_btf, &expect_btf_size); 8087 if (CHECK(test_btf_size != expect_btf_size, 8088 "test_btf_size:%u != expect_btf_size:%u", 8089 test_btf_size, expect_btf_size)) { 8090 err = -1; 8091 goto done; 8092 } 8093 8094 test_hdr = test_btf_data; 8095 test_strs = test_btf_data + sizeof(*test_hdr) + test_hdr->str_off; 8096 expect_hdr = expect_btf_data; 8097 expect_strs = expect_btf_data + sizeof(*test_hdr) + expect_hdr->str_off; 8098 if (CHECK(test_hdr->str_len != expect_hdr->str_len, 8099 "test_hdr->str_len:%u != expect_hdr->str_len:%u", 8100 test_hdr->str_len, expect_hdr->str_len)) { 8101 fprintf(stderr, "\ntest strings:\n"); 8102 dump_btf_strings(test_strs, test_hdr->str_len); 8103 fprintf(stderr, "\nexpected strings:\n"); 8104 dump_btf_strings(expect_strs, expect_hdr->str_len); 8105 err = -1; 8106 goto done; 8107 } 8108 8109 expect_str_cur = expect_strs; 8110 expect_str_end = expect_strs + expect_hdr->str_len; 8111 while (expect_str_cur < expect_str_end) { 8112 size_t test_len, expect_len; 8113 int off; 8114 8115 off = btf__find_str(test_btf, expect_str_cur); 8116 if (CHECK(off < 0, "exp str '%s' not found: %d\n", expect_str_cur, off)) { 8117 err = -1; 8118 goto done; 8119 } 8120 test_str_cur = btf__str_by_offset(test_btf, off); 8121 8122 test_len = strlen(test_str_cur); 8123 expect_len = strlen(expect_str_cur); 8124 if (CHECK(test_len != expect_len, 8125 "test_len:%zu != expect_len:%zu " 8126 "(test_str:%s, expect_str:%s)", 8127 test_len, expect_len, test_str_cur, expect_str_cur)) { 8128 err = -1; 8129 goto done; 8130 } 8131 if (CHECK(strcmp(test_str_cur, expect_str_cur), 8132 "test_str:%s != expect_str:%s", 8133 test_str_cur, expect_str_cur)) { 8134 err = -1; 8135 goto done; 8136 } 8137 expect_str_cur += expect_len + 1; 8138 } 8139 8140 test_nr_types = btf__type_cnt(test_btf); 8141 expect_nr_types = btf__type_cnt(expect_btf); 8142 if (CHECK(test_nr_types != expect_nr_types, 8143 "test_nr_types:%u != expect_nr_types:%u", 8144 test_nr_types, expect_nr_types)) { 8145 err = -1; 8146 goto done; 8147 } 8148 8149 for (i = 1; i < test_nr_types; i++) { 8150 const struct btf_type *test_type, *expect_type; 8151 int test_size, expect_size; 8152 8153 test_type = btf__type_by_id(test_btf, i); 8154 expect_type = btf__type_by_id(expect_btf, i); 8155 test_size = btf_type_size(test_type); 8156 expect_size = btf_type_size(expect_type); 8157 8158 if (CHECK(test_size != expect_size, 8159 "type #%d: test_size:%d != expect_size:%u", 8160 i, test_size, expect_size)) { 8161 err = -1; 8162 goto done; 8163 } 8164 if (CHECK(btf_kind(test_type) != btf_kind(expect_type), 8165 "type %d kind: exp %d != got %u\n", 8166 i, btf_kind(expect_type), btf_kind(test_type))) { 8167 err = -1; 8168 goto done; 8169 } 8170 if (CHECK(test_type->info != expect_type->info, 8171 "type %d info: exp %d != got %u\n", 8172 i, expect_type->info, test_type->info)) { 8173 err = -1; 8174 goto done; 8175 } 8176 if (CHECK(test_type->size != expect_type->size, 8177 "type %d size/type: exp %d != got %u\n", 8178 i, expect_type->size, test_type->size)) { 8179 err = -1; 8180 goto done; 8181 } 8182 } 8183 8184done: 8185 btf__free(test_btf); 8186 btf__free(expect_btf); 8187} 8188 8189void test_btf(void) 8190{ 8191 int i; 8192 8193 always_log = env.verbosity > VERBOSE_NONE; 8194 8195 for (i = 1; i <= ARRAY_SIZE(raw_tests); i++) 8196 do_test_raw(i); 8197 for (i = 1; i <= ARRAY_SIZE(get_info_tests); i++) 8198 do_test_get_info(i); 8199 for (i = 1; i <= ARRAY_SIZE(file_tests); i++) 8200 do_test_file(i); 8201 for (i = 1; i <= ARRAY_SIZE(info_raw_tests); i++) 8202 do_test_info_raw(i); 8203 for (i = 1; i <= ARRAY_SIZE(dedup_tests); i++) 8204 do_test_dedup(i); 8205 test_pprint(); 8206} 8207