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