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 obj = bpf_object__open(test->file); 4564 err = libbpf_get_error(obj); 4565 if (CHECK(err, "obj: %d", err)) 4566 return; 4567 4568 prog = bpf_object__next_program(obj, NULL); 4569 if (CHECK(!prog, "Cannot find bpf_prog")) { 4570 err = -1; 4571 goto done; 4572 } 4573 4574 bpf_program__set_type(prog, BPF_PROG_TYPE_TRACEPOINT); 4575 err = bpf_object__load(obj); 4576 if (CHECK(err < 0, "bpf_object__load: %d", err)) 4577 goto done; 4578 prog_fd = bpf_program__fd(prog); 4579 4580 map = bpf_object__find_map_by_name(obj, "btf_map"); 4581 if (CHECK(!map, "btf_map not found")) { 4582 err = -1; 4583 goto done; 4584 } 4585 4586 err = (bpf_map__btf_key_type_id(map) == 0 || bpf_map__btf_value_type_id(map) == 0) 4587 != test->btf_kv_notfound; 4588 if (CHECK(err, "btf_key_type_id:%u btf_value_type_id:%u test->btf_kv_notfound:%u", 4589 bpf_map__btf_key_type_id(map), bpf_map__btf_value_type_id(map), 4590 test->btf_kv_notfound)) 4591 goto done; 4592 4593 if (!has_btf_ext) 4594 goto skip; 4595 4596 /* get necessary program info */ 4597 info_len = sizeof(struct bpf_prog_info); 4598 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 4599 4600 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) { 4601 fprintf(stderr, "%s\n", btf_log_buf); 4602 err = -1; 4603 goto done; 4604 } 4605 if (CHECK(info.nr_func_info != 3, 4606 "incorrect info.nr_func_info (1st) %d", 4607 info.nr_func_info)) { 4608 err = -1; 4609 goto done; 4610 } 4611 rec_size = info.func_info_rec_size; 4612 if (CHECK(rec_size != sizeof(struct bpf_func_info), 4613 "incorrect info.func_info_rec_size (1st) %d\n", rec_size)) { 4614 err = -1; 4615 goto done; 4616 } 4617 4618 func_info = malloc(info.nr_func_info * rec_size); 4619 if (CHECK(!func_info, "out of memory")) { 4620 err = -1; 4621 goto done; 4622 } 4623 4624 /* reset info to only retrieve func_info related data */ 4625 memset(&info, 0, sizeof(info)); 4626 info.nr_func_info = 3; 4627 info.func_info_rec_size = rec_size; 4628 info.func_info = ptr_to_u64(func_info); 4629 4630 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 4631 4632 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) { 4633 fprintf(stderr, "%s\n", btf_log_buf); 4634 err = -1; 4635 goto done; 4636 } 4637 if (CHECK(info.nr_func_info != 3, 4638 "incorrect info.nr_func_info (2nd) %d", 4639 info.nr_func_info)) { 4640 err = -1; 4641 goto done; 4642 } 4643 if (CHECK(info.func_info_rec_size != rec_size, 4644 "incorrect info.func_info_rec_size (2nd) %d", 4645 info.func_info_rec_size)) { 4646 err = -1; 4647 goto done; 4648 } 4649 4650 btf = btf__load_from_kernel_by_id(info.btf_id); 4651 err = libbpf_get_error(btf); 4652 if (CHECK(err, "cannot get btf from kernel, err: %d", err)) 4653 goto done; 4654 4655 /* check three functions */ 4656 finfo = func_info; 4657 for (i = 0; i < 3; i++) { 4658 const struct btf_type *t; 4659 const char *fname; 4660 4661 t = btf__type_by_id(btf, finfo->type_id); 4662 if (CHECK(!t, "btf__type_by_id failure: id %u", 4663 finfo->type_id)) { 4664 err = -1; 4665 goto done; 4666 } 4667 4668 fname = btf__name_by_offset(btf, t->name_off); 4669 err = strcmp(fname, expected_fnames[i]); 4670 /* for the second and third functions in .text section, 4671 * the compiler may order them either way. 4672 */ 4673 if (i && err) 4674 err = strcmp(fname, expected_fnames[3 - i]); 4675 if (CHECK(err, "incorrect fname %s", fname ? : "")) { 4676 err = -1; 4677 goto done; 4678 } 4679 4680 finfo = (void *)finfo + rec_size; 4681 } 4682 4683 skip: 4684 fprintf(stderr, "OK"); 4685 4686 done: 4687 btf__free(btf); 4688 free(func_info); 4689 bpf_object__close(obj); 4690 } 4691 4692 const char *pprint_enum_str[] = { 4693 "ENUM_ZERO", 4694 "ENUM_ONE", 4695 "ENUM_TWO", 4696 "ENUM_THREE", 4697 }; 4698 4699 struct pprint_mapv { 4700 uint32_t ui32; 4701 uint16_t ui16; 4702 /* 2 bytes hole */ 4703 int32_t si32; 4704 uint32_t unused_bits2a:2, 4705 bits28:28, 4706 unused_bits2b:2; 4707 union { 4708 uint64_t ui64; 4709 uint8_t ui8a[8]; 4710 }; 4711 enum { 4712 ENUM_ZERO, 4713 ENUM_ONE, 4714 ENUM_TWO, 4715 ENUM_THREE, 4716 } aenum; 4717 uint32_t ui32b; 4718 uint32_t bits2c:2; 4719 uint8_t si8_4[2][2]; 4720 }; 4721 4722 #ifdef __SIZEOF_INT128__ 4723 struct pprint_mapv_int128 { 4724 __int128 si128a; 4725 __int128 si128b; 4726 unsigned __int128 bits3:3; 4727 unsigned __int128 bits80:80; 4728 unsigned __int128 ui128; 4729 }; 4730 #endif 4731 4732 static struct btf_raw_test pprint_test_template[] = { 4733 { 4734 .raw_types = { 4735 /* unsighed char */ /* [1] */ 4736 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 4737 /* unsigned short */ /* [2] */ 4738 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 4739 /* unsigned int */ /* [3] */ 4740 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 4741 /* int */ /* [4] */ 4742 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 4743 /* unsigned long long */ /* [5] */ 4744 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 4745 /* 2 bits */ /* [6] */ 4746 BTF_TYPE_INT_ENC(0, 0, 0, 2, 2), 4747 /* 28 bits */ /* [7] */ 4748 BTF_TYPE_INT_ENC(0, 0, 0, 28, 4), 4749 /* uint8_t[8] */ /* [8] */ 4750 BTF_TYPE_ARRAY_ENC(9, 1, 8), 4751 /* typedef unsigned char uint8_t */ /* [9] */ 4752 BTF_TYPEDEF_ENC(NAME_TBD, 1), 4753 /* typedef unsigned short uint16_t */ /* [10] */ 4754 BTF_TYPEDEF_ENC(NAME_TBD, 2), 4755 /* typedef unsigned int uint32_t */ /* [11] */ 4756 BTF_TYPEDEF_ENC(NAME_TBD, 3), 4757 /* typedef int int32_t */ /* [12] */ 4758 BTF_TYPEDEF_ENC(NAME_TBD, 4), 4759 /* typedef unsigned long long uint64_t *//* [13] */ 4760 BTF_TYPEDEF_ENC(NAME_TBD, 5), 4761 /* union (anon) */ /* [14] */ 4762 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 4763 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 4764 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 4765 /* enum (anon) */ /* [15] */ 4766 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 4767 BTF_ENUM_ENC(NAME_TBD, 0), 4768 BTF_ENUM_ENC(NAME_TBD, 1), 4769 BTF_ENUM_ENC(NAME_TBD, 2), 4770 BTF_ENUM_ENC(NAME_TBD, 3), 4771 /* struct pprint_mapv */ /* [16] */ 4772 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 11), 40), 4773 BTF_MEMBER_ENC(NAME_TBD, 11, 0), /* uint32_t ui32 */ 4774 BTF_MEMBER_ENC(NAME_TBD, 10, 32), /* uint16_t ui16 */ 4775 BTF_MEMBER_ENC(NAME_TBD, 12, 64), /* int32_t si32 */ 4776 BTF_MEMBER_ENC(NAME_TBD, 6, 96), /* unused_bits2a */ 4777 BTF_MEMBER_ENC(NAME_TBD, 7, 98), /* bits28 */ 4778 BTF_MEMBER_ENC(NAME_TBD, 6, 126), /* unused_bits2b */ 4779 BTF_MEMBER_ENC(0, 14, 128), /* union (anon) */ 4780 BTF_MEMBER_ENC(NAME_TBD, 15, 192), /* aenum */ 4781 BTF_MEMBER_ENC(NAME_TBD, 11, 224), /* uint32_t ui32b */ 4782 BTF_MEMBER_ENC(NAME_TBD, 6, 256), /* bits2c */ 4783 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */ 4784 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */ 4785 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */ 4786 BTF_END_RAW, 4787 }, 4788 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"), 4789 .key_size = sizeof(unsigned int), 4790 .value_size = sizeof(struct pprint_mapv), 4791 .key_type_id = 3, /* unsigned int */ 4792 .value_type_id = 16, /* struct pprint_mapv */ 4793 .max_entries = 128, 4794 }, 4795 4796 { 4797 /* this type will have the same type as the 4798 * first .raw_types definition, but struct type will 4799 * be encoded with kind_flag set. 4800 */ 4801 .raw_types = { 4802 /* unsighed char */ /* [1] */ 4803 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 4804 /* unsigned short */ /* [2] */ 4805 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 4806 /* unsigned int */ /* [3] */ 4807 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 4808 /* int */ /* [4] */ 4809 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 4810 /* unsigned long long */ /* [5] */ 4811 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 4812 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */ 4813 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */ 4814 /* uint8_t[8] */ /* [8] */ 4815 BTF_TYPE_ARRAY_ENC(9, 1, 8), 4816 /* typedef unsigned char uint8_t */ /* [9] */ 4817 BTF_TYPEDEF_ENC(NAME_TBD, 1), 4818 /* typedef unsigned short uint16_t */ /* [10] */ 4819 BTF_TYPEDEF_ENC(NAME_TBD, 2), 4820 /* typedef unsigned int uint32_t */ /* [11] */ 4821 BTF_TYPEDEF_ENC(NAME_TBD, 3), 4822 /* typedef int int32_t */ /* [12] */ 4823 BTF_TYPEDEF_ENC(NAME_TBD, 4), 4824 /* typedef unsigned long long uint64_t *//* [13] */ 4825 BTF_TYPEDEF_ENC(NAME_TBD, 5), 4826 /* union (anon) */ /* [14] */ 4827 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 4828 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 4829 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 4830 /* enum (anon) */ /* [15] */ 4831 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 4832 BTF_ENUM_ENC(NAME_TBD, 0), 4833 BTF_ENUM_ENC(NAME_TBD, 1), 4834 BTF_ENUM_ENC(NAME_TBD, 2), 4835 BTF_ENUM_ENC(NAME_TBD, 3), 4836 /* struct pprint_mapv */ /* [16] */ 4837 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40), 4838 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */ 4839 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */ 4840 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */ 4841 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */ 4842 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */ 4843 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 126)), /* unused_bits2b */ 4844 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */ 4845 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */ 4846 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */ 4847 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */ 4848 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */ 4849 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */ 4850 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */ 4851 BTF_END_RAW, 4852 }, 4853 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"), 4854 .key_size = sizeof(unsigned int), 4855 .value_size = sizeof(struct pprint_mapv), 4856 .key_type_id = 3, /* unsigned int */ 4857 .value_type_id = 16, /* struct pprint_mapv */ 4858 .max_entries = 128, 4859 }, 4860 4861 { 4862 /* this type will have the same layout as the 4863 * first .raw_types definition. The struct type will 4864 * be encoded with kind_flag set, bitfield members 4865 * are added typedef/const/volatile, and bitfield members 4866 * will have both int and enum types. 4867 */ 4868 .raw_types = { 4869 /* unsighed char */ /* [1] */ 4870 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 4871 /* unsigned short */ /* [2] */ 4872 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 4873 /* unsigned int */ /* [3] */ 4874 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 4875 /* int */ /* [4] */ 4876 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 4877 /* unsigned long long */ /* [5] */ 4878 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 4879 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */ 4880 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */ 4881 /* uint8_t[8] */ /* [8] */ 4882 BTF_TYPE_ARRAY_ENC(9, 1, 8), 4883 /* typedef unsigned char uint8_t */ /* [9] */ 4884 BTF_TYPEDEF_ENC(NAME_TBD, 1), 4885 /* typedef unsigned short uint16_t */ /* [10] */ 4886 BTF_TYPEDEF_ENC(NAME_TBD, 2), 4887 /* typedef unsigned int uint32_t */ /* [11] */ 4888 BTF_TYPEDEF_ENC(NAME_TBD, 3), 4889 /* typedef int int32_t */ /* [12] */ 4890 BTF_TYPEDEF_ENC(NAME_TBD, 4), 4891 /* typedef unsigned long long uint64_t *//* [13] */ 4892 BTF_TYPEDEF_ENC(NAME_TBD, 5), 4893 /* union (anon) */ /* [14] */ 4894 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 4895 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 4896 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 4897 /* enum (anon) */ /* [15] */ 4898 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 4899 BTF_ENUM_ENC(NAME_TBD, 0), 4900 BTF_ENUM_ENC(NAME_TBD, 1), 4901 BTF_ENUM_ENC(NAME_TBD, 2), 4902 BTF_ENUM_ENC(NAME_TBD, 3), 4903 /* struct pprint_mapv */ /* [16] */ 4904 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40), 4905 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */ 4906 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */ 4907 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */ 4908 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */ 4909 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */ 4910 BTF_MEMBER_ENC(NAME_TBD, 19, BTF_MEMBER_OFFSET(2, 126)),/* unused_bits2b */ 4911 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */ 4912 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */ 4913 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */ 4914 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */ 4915 BTF_MEMBER_ENC(NAME_TBD, 20, BTF_MEMBER_OFFSET(0, 264)), /* si8_4 */ 4916 /* typedef unsigned int ___int */ /* [17] */ 4917 BTF_TYPEDEF_ENC(NAME_TBD, 18), 4918 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 6), /* [18] */ 4919 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 15), /* [19] */ 4920 BTF_TYPE_ARRAY_ENC(21, 1, 2), /* [20] */ 4921 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [21] */ 4922 BTF_END_RAW, 4923 }, 4924 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"), 4925 .key_size = sizeof(unsigned int), 4926 .value_size = sizeof(struct pprint_mapv), 4927 .key_type_id = 3, /* unsigned int */ 4928 .value_type_id = 16, /* struct pprint_mapv */ 4929 .max_entries = 128, 4930 }, 4931 4932 #ifdef __SIZEOF_INT128__ 4933 { 4934 /* test int128 */ 4935 .raw_types = { 4936 /* unsigned int */ /* [1] */ 4937 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 4938 /* __int128 */ /* [2] */ 4939 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 128, 16), 4940 /* unsigned __int128 */ /* [3] */ 4941 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 128, 16), 4942 /* struct pprint_mapv_int128 */ /* [4] */ 4943 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 5), 64), 4944 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), /* si128a */ 4945 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 128)), /* si128b */ 4946 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(3, 256)), /* bits3 */ 4947 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(80, 259)), /* bits80 */ 4948 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(0, 384)), /* ui128 */ 4949 BTF_END_RAW, 4950 }, 4951 BTF_STR_SEC("\0unsigned int\0__int128\0unsigned __int128\0pprint_mapv_int128\0si128a\0si128b\0bits3\0bits80\0ui128"), 4952 .key_size = sizeof(unsigned int), 4953 .value_size = sizeof(struct pprint_mapv_int128), 4954 .key_type_id = 1, 4955 .value_type_id = 4, 4956 .max_entries = 128, 4957 .mapv_kind = PPRINT_MAPV_KIND_INT128, 4958 }, 4959 #endif 4960 4961 }; 4962 4963 static struct btf_pprint_test_meta { 4964 const char *descr; 4965 enum bpf_map_type map_type; 4966 const char *map_name; 4967 bool ordered_map; 4968 bool lossless_map; 4969 bool percpu_map; 4970 } pprint_tests_meta[] = { 4971 { 4972 .descr = "BTF pretty print array", 4973 .map_type = BPF_MAP_TYPE_ARRAY, 4974 .map_name = "pprint_test_array", 4975 .ordered_map = true, 4976 .lossless_map = true, 4977 .percpu_map = false, 4978 }, 4979 4980 { 4981 .descr = "BTF pretty print hash", 4982 .map_type = BPF_MAP_TYPE_HASH, 4983 .map_name = "pprint_test_hash", 4984 .ordered_map = false, 4985 .lossless_map = true, 4986 .percpu_map = false, 4987 }, 4988 4989 { 4990 .descr = "BTF pretty print lru hash", 4991 .map_type = BPF_MAP_TYPE_LRU_HASH, 4992 .map_name = "pprint_test_lru_hash", 4993 .ordered_map = false, 4994 .lossless_map = false, 4995 .percpu_map = false, 4996 }, 4997 4998 { 4999 .descr = "BTF pretty print percpu array", 5000 .map_type = BPF_MAP_TYPE_PERCPU_ARRAY, 5001 .map_name = "pprint_test_percpu_array", 5002 .ordered_map = true, 5003 .lossless_map = true, 5004 .percpu_map = true, 5005 }, 5006 5007 { 5008 .descr = "BTF pretty print percpu hash", 5009 .map_type = BPF_MAP_TYPE_PERCPU_HASH, 5010 .map_name = "pprint_test_percpu_hash", 5011 .ordered_map = false, 5012 .lossless_map = true, 5013 .percpu_map = true, 5014 }, 5015 5016 { 5017 .descr = "BTF pretty print lru percpu hash", 5018 .map_type = BPF_MAP_TYPE_LRU_PERCPU_HASH, 5019 .map_name = "pprint_test_lru_percpu_hash", 5020 .ordered_map = false, 5021 .lossless_map = false, 5022 .percpu_map = true, 5023 }, 5024 5025 }; 5026 5027 static size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind) 5028 { 5029 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) 5030 return sizeof(struct pprint_mapv); 5031 5032 #ifdef __SIZEOF_INT128__ 5033 if (mapv_kind == PPRINT_MAPV_KIND_INT128) 5034 return sizeof(struct pprint_mapv_int128); 5035 #endif 5036 5037 assert(0); 5038 } 5039 5040 static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind, 5041 void *mapv, uint32_t i, 5042 int num_cpus, int rounded_value_size) 5043 { 5044 int cpu; 5045 5046 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) { 5047 struct pprint_mapv *v = mapv; 5048 5049 for (cpu = 0; cpu < num_cpus; cpu++) { 5050 v->ui32 = i + cpu; 5051 v->si32 = -i; 5052 v->unused_bits2a = 3; 5053 v->bits28 = i; 5054 v->unused_bits2b = 3; 5055 v->ui64 = i; 5056 v->aenum = i & 0x03; 5057 v->ui32b = 4; 5058 v->bits2c = 1; 5059 v->si8_4[0][0] = (cpu + i) & 0xff; 5060 v->si8_4[0][1] = (cpu + i + 1) & 0xff; 5061 v->si8_4[1][0] = (cpu + i + 2) & 0xff; 5062 v->si8_4[1][1] = (cpu + i + 3) & 0xff; 5063 v = (void *)v + rounded_value_size; 5064 } 5065 } 5066 5067 #ifdef __SIZEOF_INT128__ 5068 if (mapv_kind == PPRINT_MAPV_KIND_INT128) { 5069 struct pprint_mapv_int128 *v = mapv; 5070 5071 for (cpu = 0; cpu < num_cpus; cpu++) { 5072 v->si128a = i; 5073 v->si128b = -i; 5074 v->bits3 = i & 0x07; 5075 v->bits80 = (((unsigned __int128)1) << 64) + i; 5076 v->ui128 = (((unsigned __int128)2) << 64) + i; 5077 v = (void *)v + rounded_value_size; 5078 } 5079 } 5080 #endif 5081 } 5082 5083 ssize_t get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind, 5084 char *expected_line, ssize_t line_size, 5085 bool percpu_map, unsigned int next_key, 5086 int cpu, void *mapv) 5087 { 5088 ssize_t nexpected_line = -1; 5089 5090 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) { 5091 struct pprint_mapv *v = mapv; 5092 5093 nexpected_line = snprintf(expected_line, line_size, 5094 "%s%u: {%u,0,%d,0x%x,0x%x,0x%x," 5095 "{%llu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s," 5096 "%u,0x%x,[[%d,%d],[%d,%d]]}\n", 5097 percpu_map ? "\tcpu" : "", 5098 percpu_map ? cpu : next_key, 5099 v->ui32, v->si32, 5100 v->unused_bits2a, 5101 v->bits28, 5102 v->unused_bits2b, 5103 (__u64)v->ui64, 5104 v->ui8a[0], v->ui8a[1], 5105 v->ui8a[2], v->ui8a[3], 5106 v->ui8a[4], v->ui8a[5], 5107 v->ui8a[6], v->ui8a[7], 5108 pprint_enum_str[v->aenum], 5109 v->ui32b, 5110 v->bits2c, 5111 v->si8_4[0][0], v->si8_4[0][1], 5112 v->si8_4[1][0], v->si8_4[1][1]); 5113 } 5114 5115 #ifdef __SIZEOF_INT128__ 5116 if (mapv_kind == PPRINT_MAPV_KIND_INT128) { 5117 struct pprint_mapv_int128 *v = mapv; 5118 5119 nexpected_line = snprintf(expected_line, line_size, 5120 "%s%u: {0x%lx,0x%lx,0x%lx," 5121 "0x%lx%016lx,0x%lx%016lx}\n", 5122 percpu_map ? "\tcpu" : "", 5123 percpu_map ? cpu : next_key, 5124 (uint64_t)v->si128a, 5125 (uint64_t)v->si128b, 5126 (uint64_t)v->bits3, 5127 (uint64_t)(v->bits80 >> 64), 5128 (uint64_t)v->bits80, 5129 (uint64_t)(v->ui128 >> 64), 5130 (uint64_t)v->ui128); 5131 } 5132 #endif 5133 5134 return nexpected_line; 5135 } 5136 5137 static int check_line(const char *expected_line, int nexpected_line, 5138 int expected_line_len, const char *line) 5139 { 5140 if (CHECK(nexpected_line == expected_line_len, 5141 "expected_line is too long")) 5142 return -1; 5143 5144 if (strcmp(expected_line, line)) { 5145 fprintf(stderr, "unexpected pprint output\n"); 5146 fprintf(stderr, "expected: %s", expected_line); 5147 fprintf(stderr, " read: %s", line); 5148 return -1; 5149 } 5150 5151 return 0; 5152 } 5153 5154 5155 static void do_test_pprint(int test_num) 5156 { 5157 const struct btf_raw_test *test = &pprint_test_template[test_num]; 5158 enum pprint_mapv_kind_t mapv_kind = test->mapv_kind; 5159 LIBBPF_OPTS(bpf_map_create_opts, opts); 5160 bool ordered_map, lossless_map, percpu_map; 5161 int err, ret, num_cpus, rounded_value_size; 5162 unsigned int key, nr_read_elems; 5163 int map_fd = -1, btf_fd = -1; 5164 unsigned int raw_btf_size; 5165 char expected_line[255]; 5166 FILE *pin_file = NULL; 5167 char pin_path[255]; 5168 size_t line_len = 0; 5169 char *line = NULL; 5170 void *mapv = NULL; 5171 uint8_t *raw_btf; 5172 ssize_t nread; 5173 5174 if (!test__start_subtest(test->descr)) 5175 return; 5176 5177 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, 5178 test->str_sec, test->str_sec_size, 5179 &raw_btf_size, NULL); 5180 5181 if (!raw_btf) 5182 return; 5183 5184 *btf_log_buf = '\0'; 5185 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 5186 free(raw_btf); 5187 5188 if (CHECK(btf_fd < 0, "errno:%d\n", errno)) { 5189 err = -1; 5190 goto done; 5191 } 5192 5193 opts.btf_fd = btf_fd; 5194 opts.btf_key_type_id = test->key_type_id; 5195 opts.btf_value_type_id = test->value_type_id; 5196 map_fd = bpf_map_create(test->map_type, test->map_name, 5197 test->key_size, test->value_size, test->max_entries, &opts); 5198 if (CHECK(map_fd < 0, "errno:%d", errno)) { 5199 err = -1; 5200 goto done; 5201 } 5202 5203 ret = snprintf(pin_path, sizeof(pin_path), "%s/%s", 5204 "/sys/fs/bpf", test->map_name); 5205 5206 if (CHECK(ret == sizeof(pin_path), "pin_path %s/%s is too long", 5207 "/sys/fs/bpf", test->map_name)) { 5208 err = -1; 5209 goto done; 5210 } 5211 5212 err = bpf_obj_pin(map_fd, pin_path); 5213 if (CHECK(err, "bpf_obj_pin(%s): errno:%d.", pin_path, errno)) 5214 goto done; 5215 5216 percpu_map = test->percpu_map; 5217 num_cpus = percpu_map ? bpf_num_possible_cpus() : 1; 5218 rounded_value_size = round_up(get_pprint_mapv_size(mapv_kind), 8); 5219 mapv = calloc(num_cpus, rounded_value_size); 5220 if (CHECK(!mapv, "mapv allocation failure")) { 5221 err = -1; 5222 goto done; 5223 } 5224 5225 for (key = 0; key < test->max_entries; key++) { 5226 set_pprint_mapv(mapv_kind, mapv, key, num_cpus, rounded_value_size); 5227 bpf_map_update_elem(map_fd, &key, mapv, 0); 5228 } 5229 5230 pin_file = fopen(pin_path, "r"); 5231 if (CHECK(!pin_file, "fopen(%s): errno:%d", pin_path, errno)) { 5232 err = -1; 5233 goto done; 5234 } 5235 5236 /* Skip lines start with '#' */ 5237 while ((nread = getline(&line, &line_len, pin_file)) > 0 && 5238 *line == '#') 5239 ; 5240 5241 if (CHECK(nread <= 0, "Unexpected EOF")) { 5242 err = -1; 5243 goto done; 5244 } 5245 5246 nr_read_elems = 0; 5247 ordered_map = test->ordered_map; 5248 lossless_map = test->lossless_map; 5249 do { 5250 ssize_t nexpected_line; 5251 unsigned int next_key; 5252 void *cmapv; 5253 int cpu; 5254 5255 next_key = ordered_map ? nr_read_elems : atoi(line); 5256 set_pprint_mapv(mapv_kind, mapv, next_key, num_cpus, rounded_value_size); 5257 cmapv = mapv; 5258 5259 for (cpu = 0; cpu < num_cpus; cpu++) { 5260 if (percpu_map) { 5261 /* for percpu map, the format looks like: 5262 * <key>: { 5263 * cpu0: <value_on_cpu0> 5264 * cpu1: <value_on_cpu1> 5265 * ... 5266 * cpun: <value_on_cpun> 5267 * } 5268 * 5269 * let us verify the line containing the key here. 5270 */ 5271 if (cpu == 0) { 5272 nexpected_line = snprintf(expected_line, 5273 sizeof(expected_line), 5274 "%u: {\n", 5275 next_key); 5276 5277 err = check_line(expected_line, nexpected_line, 5278 sizeof(expected_line), line); 5279 if (err < 0) 5280 goto done; 5281 } 5282 5283 /* read value@cpu */ 5284 nread = getline(&line, &line_len, pin_file); 5285 if (nread < 0) 5286 break; 5287 } 5288 5289 nexpected_line = get_pprint_expected_line(mapv_kind, expected_line, 5290 sizeof(expected_line), 5291 percpu_map, next_key, 5292 cpu, cmapv); 5293 err = check_line(expected_line, nexpected_line, 5294 sizeof(expected_line), line); 5295 if (err < 0) 5296 goto done; 5297 5298 cmapv = cmapv + rounded_value_size; 5299 } 5300 5301 if (percpu_map) { 5302 /* skip the last bracket for the percpu map */ 5303 nread = getline(&line, &line_len, pin_file); 5304 if (nread < 0) 5305 break; 5306 } 5307 5308 nread = getline(&line, &line_len, pin_file); 5309 } while (++nr_read_elems < test->max_entries && nread > 0); 5310 5311 if (lossless_map && 5312 CHECK(nr_read_elems < test->max_entries, 5313 "Unexpected EOF. nr_read_elems:%u test->max_entries:%u", 5314 nr_read_elems, test->max_entries)) { 5315 err = -1; 5316 goto done; 5317 } 5318 5319 if (CHECK(nread > 0, "Unexpected extra pprint output: %s", line)) { 5320 err = -1; 5321 goto done; 5322 } 5323 5324 err = 0; 5325 5326 done: 5327 if (mapv) 5328 free(mapv); 5329 if (!err) 5330 fprintf(stderr, "OK"); 5331 if (*btf_log_buf && (err || always_log)) 5332 fprintf(stderr, "\n%s", btf_log_buf); 5333 if (btf_fd >= 0) 5334 close(btf_fd); 5335 if (map_fd >= 0) 5336 close(map_fd); 5337 if (pin_file) 5338 fclose(pin_file); 5339 unlink(pin_path); 5340 free(line); 5341 } 5342 5343 static void test_pprint(void) 5344 { 5345 unsigned int i; 5346 5347 /* test various maps with the first test template */ 5348 for (i = 0; i < ARRAY_SIZE(pprint_tests_meta); i++) { 5349 pprint_test_template[0].descr = pprint_tests_meta[i].descr; 5350 pprint_test_template[0].map_type = pprint_tests_meta[i].map_type; 5351 pprint_test_template[0].map_name = pprint_tests_meta[i].map_name; 5352 pprint_test_template[0].ordered_map = pprint_tests_meta[i].ordered_map; 5353 pprint_test_template[0].lossless_map = pprint_tests_meta[i].lossless_map; 5354 pprint_test_template[0].percpu_map = pprint_tests_meta[i].percpu_map; 5355 5356 do_test_pprint(0); 5357 } 5358 5359 /* test rest test templates with the first map */ 5360 for (i = 1; i < ARRAY_SIZE(pprint_test_template); i++) { 5361 pprint_test_template[i].descr = pprint_tests_meta[0].descr; 5362 pprint_test_template[i].map_type = pprint_tests_meta[0].map_type; 5363 pprint_test_template[i].map_name = pprint_tests_meta[0].map_name; 5364 pprint_test_template[i].ordered_map = pprint_tests_meta[0].ordered_map; 5365 pprint_test_template[i].lossless_map = pprint_tests_meta[0].lossless_map; 5366 pprint_test_template[i].percpu_map = pprint_tests_meta[0].percpu_map; 5367 do_test_pprint(i); 5368 } 5369 } 5370 5371 #define BPF_LINE_INFO_ENC(insn_off, file_off, line_off, line_num, line_col) \ 5372 (insn_off), (file_off), (line_off), ((line_num) << 10 | ((line_col) & 0x3ff)) 5373 5374 static struct prog_info_raw_test { 5375 const char *descr; 5376 const char *str_sec; 5377 const char *err_str; 5378 __u32 raw_types[MAX_NR_RAW_U32]; 5379 __u32 str_sec_size; 5380 struct bpf_insn insns[MAX_INSNS]; 5381 __u32 prog_type; 5382 __u32 func_info[MAX_SUBPROGS][2]; 5383 __u32 func_info_rec_size; 5384 __u32 func_info_cnt; 5385 __u32 line_info[MAX_NR_RAW_U32]; 5386 __u32 line_info_rec_size; 5387 __u32 nr_jited_ksyms; 5388 bool expected_prog_load_failure; 5389 __u32 dead_code_cnt; 5390 __u32 dead_code_mask; 5391 __u32 dead_func_cnt; 5392 __u32 dead_func_mask; 5393 } info_raw_tests[] = { 5394 { 5395 .descr = "func_type (main func + one sub)", 5396 .raw_types = { 5397 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5398 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5399 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5400 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5401 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5402 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5403 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5404 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5405 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5406 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5407 BTF_END_RAW, 5408 }, 5409 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5410 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5411 .insns = { 5412 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5413 BPF_MOV64_IMM(BPF_REG_0, 1), 5414 BPF_EXIT_INSN(), 5415 BPF_MOV64_IMM(BPF_REG_0, 2), 5416 BPF_EXIT_INSN(), 5417 }, 5418 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5419 .func_info = { {0, 5}, {3, 6} }, 5420 .func_info_rec_size = 8, 5421 .func_info_cnt = 2, 5422 .line_info = { BTF_END_RAW }, 5423 }, 5424 5425 { 5426 .descr = "func_type (Incorrect func_info_rec_size)", 5427 .raw_types = { 5428 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5429 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5430 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5431 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5432 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5433 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5434 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5435 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5436 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5437 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5438 BTF_END_RAW, 5439 }, 5440 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5441 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5442 .insns = { 5443 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5444 BPF_MOV64_IMM(BPF_REG_0, 1), 5445 BPF_EXIT_INSN(), 5446 BPF_MOV64_IMM(BPF_REG_0, 2), 5447 BPF_EXIT_INSN(), 5448 }, 5449 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5450 .func_info = { {0, 5}, {3, 6} }, 5451 .func_info_rec_size = 4, 5452 .func_info_cnt = 2, 5453 .line_info = { BTF_END_RAW }, 5454 .expected_prog_load_failure = true, 5455 }, 5456 5457 { 5458 .descr = "func_type (Incorrect func_info_cnt)", 5459 .raw_types = { 5460 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5461 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5462 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5463 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5464 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5465 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5466 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5467 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5468 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5469 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5470 BTF_END_RAW, 5471 }, 5472 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5473 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5474 .insns = { 5475 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5476 BPF_MOV64_IMM(BPF_REG_0, 1), 5477 BPF_EXIT_INSN(), 5478 BPF_MOV64_IMM(BPF_REG_0, 2), 5479 BPF_EXIT_INSN(), 5480 }, 5481 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5482 .func_info = { {0, 5}, {3, 6} }, 5483 .func_info_rec_size = 8, 5484 .func_info_cnt = 1, 5485 .line_info = { BTF_END_RAW }, 5486 .expected_prog_load_failure = true, 5487 }, 5488 5489 { 5490 .descr = "func_type (Incorrect bpf_func_info.insn_off)", 5491 .raw_types = { 5492 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5493 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5494 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5495 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5496 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5497 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5498 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5499 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5500 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5501 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5502 BTF_END_RAW, 5503 }, 5504 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5505 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5506 .insns = { 5507 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5508 BPF_MOV64_IMM(BPF_REG_0, 1), 5509 BPF_EXIT_INSN(), 5510 BPF_MOV64_IMM(BPF_REG_0, 2), 5511 BPF_EXIT_INSN(), 5512 }, 5513 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5514 .func_info = { {0, 5}, {2, 6} }, 5515 .func_info_rec_size = 8, 5516 .func_info_cnt = 2, 5517 .line_info = { BTF_END_RAW }, 5518 .expected_prog_load_failure = true, 5519 }, 5520 5521 { 5522 .descr = "line_info (No subprog)", 5523 .raw_types = { 5524 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5525 BTF_END_RAW, 5526 }, 5527 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5528 .insns = { 5529 BPF_MOV64_IMM(BPF_REG_0, 1), 5530 BPF_MOV64_IMM(BPF_REG_1, 2), 5531 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5532 BPF_EXIT_INSN(), 5533 }, 5534 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5535 .func_info_cnt = 0, 5536 .line_info = { 5537 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5538 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 5539 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5540 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 5541 BTF_END_RAW, 5542 }, 5543 .line_info_rec_size = sizeof(struct bpf_line_info), 5544 .nr_jited_ksyms = 1, 5545 }, 5546 5547 { 5548 .descr = "line_info (No subprog. insn_off >= prog->len)", 5549 .raw_types = { 5550 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5551 BTF_END_RAW, 5552 }, 5553 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5554 .insns = { 5555 BPF_MOV64_IMM(BPF_REG_0, 1), 5556 BPF_MOV64_IMM(BPF_REG_1, 2), 5557 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5558 BPF_EXIT_INSN(), 5559 }, 5560 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5561 .func_info_cnt = 0, 5562 .line_info = { 5563 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5564 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 5565 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5566 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 5567 BPF_LINE_INFO_ENC(4, 0, 0, 5, 6), 5568 BTF_END_RAW, 5569 }, 5570 .line_info_rec_size = sizeof(struct bpf_line_info), 5571 .nr_jited_ksyms = 1, 5572 .err_str = "line_info[4].insn_off", 5573 .expected_prog_load_failure = true, 5574 }, 5575 5576 { 5577 .descr = "line_info (Zero bpf insn code)", 5578 .raw_types = { 5579 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5580 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), /* [2] */ 5581 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [3] */ 5582 BTF_END_RAW, 5583 }, 5584 BTF_STR_SEC("\0int\0unsigned long\0u64\0u64 a=1;\0return a;"), 5585 .insns = { 5586 BPF_LD_IMM64(BPF_REG_0, 1), 5587 BPF_EXIT_INSN(), 5588 }, 5589 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5590 .func_info_cnt = 0, 5591 .line_info = { 5592 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5593 BPF_LINE_INFO_ENC(1, 0, 0, 2, 9), 5594 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5595 BTF_END_RAW, 5596 }, 5597 .line_info_rec_size = sizeof(struct bpf_line_info), 5598 .nr_jited_ksyms = 1, 5599 .err_str = "Invalid insn code at line_info[1]", 5600 .expected_prog_load_failure = true, 5601 }, 5602 5603 { 5604 .descr = "line_info (No subprog. zero tailing line_info", 5605 .raw_types = { 5606 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5607 BTF_END_RAW, 5608 }, 5609 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5610 .insns = { 5611 BPF_MOV64_IMM(BPF_REG_0, 1), 5612 BPF_MOV64_IMM(BPF_REG_1, 2), 5613 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5614 BPF_EXIT_INSN(), 5615 }, 5616 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5617 .func_info_cnt = 0, 5618 .line_info = { 5619 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0, 5620 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0, 5621 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0, 5622 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 0, 5623 BTF_END_RAW, 5624 }, 5625 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32), 5626 .nr_jited_ksyms = 1, 5627 }, 5628 5629 { 5630 .descr = "line_info (No subprog. nonzero tailing line_info)", 5631 .raw_types = { 5632 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5633 BTF_END_RAW, 5634 }, 5635 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5636 .insns = { 5637 BPF_MOV64_IMM(BPF_REG_0, 1), 5638 BPF_MOV64_IMM(BPF_REG_1, 2), 5639 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5640 BPF_EXIT_INSN(), 5641 }, 5642 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5643 .func_info_cnt = 0, 5644 .line_info = { 5645 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0, 5646 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0, 5647 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0, 5648 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 1, 5649 BTF_END_RAW, 5650 }, 5651 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32), 5652 .nr_jited_ksyms = 1, 5653 .err_str = "nonzero tailing record in line_info", 5654 .expected_prog_load_failure = true, 5655 }, 5656 5657 { 5658 .descr = "line_info (subprog)", 5659 .raw_types = { 5660 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5661 BTF_END_RAW, 5662 }, 5663 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5664 .insns = { 5665 BPF_MOV64_IMM(BPF_REG_2, 1), 5666 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5667 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5668 BPF_CALL_REL(1), 5669 BPF_EXIT_INSN(), 5670 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5671 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5672 BPF_EXIT_INSN(), 5673 }, 5674 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5675 .func_info_cnt = 0, 5676 .line_info = { 5677 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5678 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 5679 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 5680 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5681 BTF_END_RAW, 5682 }, 5683 .line_info_rec_size = sizeof(struct bpf_line_info), 5684 .nr_jited_ksyms = 2, 5685 }, 5686 5687 { 5688 .descr = "line_info (subprog + func_info)", 5689 .raw_types = { 5690 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5691 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 5692 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5693 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 5694 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 5695 BTF_END_RAW, 5696 }, 5697 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5698 .insns = { 5699 BPF_MOV64_IMM(BPF_REG_2, 1), 5700 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5701 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5702 BPF_CALL_REL(1), 5703 BPF_EXIT_INSN(), 5704 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5705 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5706 BPF_EXIT_INSN(), 5707 }, 5708 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5709 .func_info_cnt = 2, 5710 .func_info_rec_size = 8, 5711 .func_info = { {0, 4}, {5, 3} }, 5712 .line_info = { 5713 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5714 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 5715 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 5716 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5717 BTF_END_RAW, 5718 }, 5719 .line_info_rec_size = sizeof(struct bpf_line_info), 5720 .nr_jited_ksyms = 2, 5721 }, 5722 5723 { 5724 .descr = "line_info (subprog. missing 1st func line info)", 5725 .raw_types = { 5726 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5727 BTF_END_RAW, 5728 }, 5729 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5730 .insns = { 5731 BPF_MOV64_IMM(BPF_REG_2, 1), 5732 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5733 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5734 BPF_CALL_REL(1), 5735 BPF_EXIT_INSN(), 5736 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5737 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5738 BPF_EXIT_INSN(), 5739 }, 5740 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5741 .func_info_cnt = 0, 5742 .line_info = { 5743 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 1, 10), 5744 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 5745 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 5746 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5747 BTF_END_RAW, 5748 }, 5749 .line_info_rec_size = sizeof(struct bpf_line_info), 5750 .nr_jited_ksyms = 2, 5751 .err_str = "missing bpf_line_info for func#0", 5752 .expected_prog_load_failure = true, 5753 }, 5754 5755 { 5756 .descr = "line_info (subprog. missing 2nd func line info)", 5757 .raw_types = { 5758 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5759 BTF_END_RAW, 5760 }, 5761 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5762 .insns = { 5763 BPF_MOV64_IMM(BPF_REG_2, 1), 5764 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5765 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5766 BPF_CALL_REL(1), 5767 BPF_EXIT_INSN(), 5768 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5769 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5770 BPF_EXIT_INSN(), 5771 }, 5772 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5773 .func_info_cnt = 0, 5774 .line_info = { 5775 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5776 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 5777 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 3, 8), 5778 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5779 BTF_END_RAW, 5780 }, 5781 .line_info_rec_size = sizeof(struct bpf_line_info), 5782 .nr_jited_ksyms = 2, 5783 .err_str = "missing bpf_line_info for func#1", 5784 .expected_prog_load_failure = true, 5785 }, 5786 5787 { 5788 .descr = "line_info (subprog. unordered insn offset)", 5789 .raw_types = { 5790 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5791 BTF_END_RAW, 5792 }, 5793 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5794 .insns = { 5795 BPF_MOV64_IMM(BPF_REG_2, 1), 5796 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5797 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5798 BPF_CALL_REL(1), 5799 BPF_EXIT_INSN(), 5800 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5801 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5802 BPF_EXIT_INSN(), 5803 }, 5804 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5805 .func_info_cnt = 0, 5806 .line_info = { 5807 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5808 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 2, 9), 5809 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5810 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5811 BTF_END_RAW, 5812 }, 5813 .line_info_rec_size = sizeof(struct bpf_line_info), 5814 .nr_jited_ksyms = 2, 5815 .err_str = "Invalid line_info[2].insn_off", 5816 .expected_prog_load_failure = true, 5817 }, 5818 5819 { 5820 .descr = "line_info (dead start)", 5821 .raw_types = { 5822 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5823 BTF_END_RAW, 5824 }, 5825 BTF_STR_SEC("\0int\0/* dead jmp */\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5826 .insns = { 5827 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 5828 BPF_MOV64_IMM(BPF_REG_0, 1), 5829 BPF_MOV64_IMM(BPF_REG_1, 2), 5830 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5831 BPF_EXIT_INSN(), 5832 }, 5833 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5834 .func_info_cnt = 0, 5835 .line_info = { 5836 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5837 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 5838 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5839 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 5840 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 6), 5841 BTF_END_RAW, 5842 }, 5843 .line_info_rec_size = sizeof(struct bpf_line_info), 5844 .nr_jited_ksyms = 1, 5845 .dead_code_cnt = 1, 5846 .dead_code_mask = 0x01, 5847 }, 5848 5849 { 5850 .descr = "line_info (dead end)", 5851 .raw_types = { 5852 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5853 BTF_END_RAW, 5854 }, 5855 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0/* dead jmp */\0return a + b;\0/* dead exit */"), 5856 .insns = { 5857 BPF_MOV64_IMM(BPF_REG_0, 1), 5858 BPF_MOV64_IMM(BPF_REG_1, 2), 5859 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5860 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1), 5861 BPF_EXIT_INSN(), 5862 BPF_EXIT_INSN(), 5863 }, 5864 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5865 .func_info_cnt = 0, 5866 .line_info = { 5867 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 12), 5868 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 11), 5869 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 10), 5870 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 9), 5871 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 8), 5872 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 6, 7), 5873 BTF_END_RAW, 5874 }, 5875 .line_info_rec_size = sizeof(struct bpf_line_info), 5876 .nr_jited_ksyms = 1, 5877 .dead_code_cnt = 2, 5878 .dead_code_mask = 0x28, 5879 }, 5880 5881 { 5882 .descr = "line_info (dead code + subprog + func_info)", 5883 .raw_types = { 5884 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5885 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 5886 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5887 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 5888 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 5889 BTF_END_RAW, 5890 }, 5891 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0/* dead jmp */" 5892 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 5893 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 5894 "\0return func(a);\0b+=1;\0return b;"), 5895 .insns = { 5896 BPF_MOV64_IMM(BPF_REG_2, 1), 5897 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5898 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5899 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 8), 5900 BPF_MOV64_IMM(BPF_REG_2, 1), 5901 BPF_MOV64_IMM(BPF_REG_2, 1), 5902 BPF_MOV64_IMM(BPF_REG_2, 1), 5903 BPF_MOV64_IMM(BPF_REG_2, 1), 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_CALL_REL(1), 5909 BPF_EXIT_INSN(), 5910 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5911 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5912 BPF_EXIT_INSN(), 5913 }, 5914 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5915 .func_info_cnt = 2, 5916 .func_info_rec_size = 8, 5917 .func_info = { {0, 4}, {14, 3} }, 5918 .line_info = { 5919 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5920 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 5921 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 5922 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 5923 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 5924 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 5925 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 5926 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 5927 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 5928 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 5929 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 5930 BPF_LINE_INFO_ENC(14, 0, NAME_TBD, 3, 8), 5931 BPF_LINE_INFO_ENC(16, 0, NAME_TBD, 4, 7), 5932 BTF_END_RAW, 5933 }, 5934 .line_info_rec_size = sizeof(struct bpf_line_info), 5935 .nr_jited_ksyms = 2, 5936 .dead_code_cnt = 9, 5937 .dead_code_mask = 0x3fe, 5938 }, 5939 5940 { 5941 .descr = "line_info (dead subprog)", 5942 .raw_types = { 5943 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5944 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 5945 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5946 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 5947 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 5948 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 5949 BTF_END_RAW, 5950 }, 5951 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */" 5952 "\0return 0;\0return 0;\0/* dead */\0/* dead */" 5953 "\0/* dead */\0return bla + 1;\0return bla + 1;" 5954 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"), 5955 .insns = { 5956 BPF_MOV64_IMM(BPF_REG_2, 1), 5957 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 5958 BPF_CALL_REL(3), 5959 BPF_CALL_REL(5), 5960 BPF_MOV64_IMM(BPF_REG_0, 0), 5961 BPF_EXIT_INSN(), 5962 BPF_MOV64_IMM(BPF_REG_0, 0), 5963 BPF_CALL_REL(1), 5964 BPF_EXIT_INSN(), 5965 BPF_MOV64_REG(BPF_REG_0, 2), 5966 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5967 BPF_EXIT_INSN(), 5968 }, 5969 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5970 .func_info_cnt = 3, 5971 .func_info_rec_size = 8, 5972 .func_info = { {0, 4}, {6, 3}, {9, 5} }, 5973 .line_info = { 5974 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5975 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 5976 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 5977 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 5978 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 5979 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 5980 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 5981 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 5982 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 5983 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 5984 BTF_END_RAW, 5985 }, 5986 .line_info_rec_size = sizeof(struct bpf_line_info), 5987 .nr_jited_ksyms = 2, 5988 .dead_code_cnt = 3, 5989 .dead_code_mask = 0x70, 5990 .dead_func_cnt = 1, 5991 .dead_func_mask = 0x2, 5992 }, 5993 5994 { 5995 .descr = "line_info (dead last subprog)", 5996 .raw_types = { 5997 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5998 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 5999 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6000 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6001 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6002 BTF_END_RAW, 6003 }, 6004 BTF_STR_SEC("\0int\0x\0dead\0main\0int a=1+1;\0/* live call */" 6005 "\0return 0;\0/* dead */\0/* dead */"), 6006 .insns = { 6007 BPF_MOV64_IMM(BPF_REG_2, 1), 6008 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6009 BPF_CALL_REL(2), 6010 BPF_MOV64_IMM(BPF_REG_0, 0), 6011 BPF_EXIT_INSN(), 6012 BPF_MOV64_IMM(BPF_REG_0, 0), 6013 BPF_EXIT_INSN(), 6014 }, 6015 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6016 .func_info_cnt = 2, 6017 .func_info_rec_size = 8, 6018 .func_info = { {0, 4}, {5, 3} }, 6019 .line_info = { 6020 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6021 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6022 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6023 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6024 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6025 BTF_END_RAW, 6026 }, 6027 .line_info_rec_size = sizeof(struct bpf_line_info), 6028 .nr_jited_ksyms = 1, 6029 .dead_code_cnt = 2, 6030 .dead_code_mask = 0x18, 6031 .dead_func_cnt = 1, 6032 .dead_func_mask = 0x2, 6033 }, 6034 6035 { 6036 .descr = "line_info (dead subprog + dead start)", 6037 .raw_types = { 6038 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6039 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6040 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6041 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6042 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6043 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6044 BTF_END_RAW, 6045 }, 6046 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* dead */" 6047 "\0return 0;\0return 0;\0return 0;" 6048 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 6049 "\0return b + 1;\0return b + 1;\0return b + 1;"), 6050 .insns = { 6051 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6052 BPF_MOV64_IMM(BPF_REG_2, 1), 6053 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6054 BPF_CALL_REL(3), 6055 BPF_CALL_REL(5), 6056 BPF_MOV64_IMM(BPF_REG_0, 0), 6057 BPF_EXIT_INSN(), 6058 BPF_MOV64_IMM(BPF_REG_0, 0), 6059 BPF_CALL_REL(1), 6060 BPF_EXIT_INSN(), 6061 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6062 BPF_MOV64_REG(BPF_REG_0, 2), 6063 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6064 BPF_EXIT_INSN(), 6065 }, 6066 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6067 .func_info_cnt = 3, 6068 .func_info_rec_size = 8, 6069 .func_info = { {0, 4}, {7, 3}, {10, 5} }, 6070 .line_info = { 6071 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6072 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6073 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6074 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6075 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6076 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6077 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6078 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6079 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 6080 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 6081 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 6082 BPF_LINE_INFO_ENC(13, 0, NAME_TBD, 2, 9), 6083 BTF_END_RAW, 6084 }, 6085 .line_info_rec_size = sizeof(struct bpf_line_info), 6086 .nr_jited_ksyms = 2, 6087 .dead_code_cnt = 5, 6088 .dead_code_mask = 0x1e2, 6089 .dead_func_cnt = 1, 6090 .dead_func_mask = 0x2, 6091 }, 6092 6093 { 6094 .descr = "line_info (dead subprog + dead start w/ move)", 6095 .raw_types = { 6096 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6097 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6098 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6099 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6100 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6101 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6102 BTF_END_RAW, 6103 }, 6104 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */" 6105 "\0return 0;\0return 0;\0/* dead */\0/* dead */" 6106 "\0/* dead */\0return bla + 1;\0return bla + 1;" 6107 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"), 6108 .insns = { 6109 BPF_MOV64_IMM(BPF_REG_2, 1), 6110 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6111 BPF_CALL_REL(3), 6112 BPF_CALL_REL(5), 6113 BPF_MOV64_IMM(BPF_REG_0, 0), 6114 BPF_EXIT_INSN(), 6115 BPF_MOV64_IMM(BPF_REG_0, 0), 6116 BPF_CALL_REL(1), 6117 BPF_EXIT_INSN(), 6118 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6119 BPF_MOV64_REG(BPF_REG_0, 2), 6120 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6121 BPF_EXIT_INSN(), 6122 }, 6123 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6124 .func_info_cnt = 3, 6125 .func_info_rec_size = 8, 6126 .func_info = { {0, 4}, {6, 3}, {9, 5} }, 6127 .line_info = { 6128 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6129 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6130 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6131 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6132 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6133 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6134 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6135 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6136 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 1, 10), 6137 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 6138 BTF_END_RAW, 6139 }, 6140 .line_info_rec_size = sizeof(struct bpf_line_info), 6141 .nr_jited_ksyms = 2, 6142 .dead_code_cnt = 3, 6143 .dead_code_mask = 0x70, 6144 .dead_func_cnt = 1, 6145 .dead_func_mask = 0x2, 6146 }, 6147 6148 { 6149 .descr = "line_info (dead end + subprog start w/ no linfo)", 6150 .raw_types = { 6151 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6152 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6153 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6154 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6155 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6156 BTF_END_RAW, 6157 }, 6158 BTF_STR_SEC("\0int\0x\0main\0func\0/* main linfo */\0/* func linfo */"), 6159 .insns = { 6160 BPF_MOV64_IMM(BPF_REG_0, 0), 6161 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 1, 3), 6162 BPF_CALL_REL(3), 6163 BPF_MOV64_IMM(BPF_REG_0, 0), 6164 BPF_EXIT_INSN(), 6165 BPF_EXIT_INSN(), 6166 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6167 BPF_EXIT_INSN(), 6168 }, 6169 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6170 .func_info_cnt = 2, 6171 .func_info_rec_size = 8, 6172 .func_info = { {0, 3}, {6, 4}, }, 6173 .line_info = { 6174 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6175 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6176 BTF_END_RAW, 6177 }, 6178 .line_info_rec_size = sizeof(struct bpf_line_info), 6179 .nr_jited_ksyms = 2, 6180 }, 6181 6182 }; 6183 6184 static size_t probe_prog_length(const struct bpf_insn *fp) 6185 { 6186 size_t len; 6187 6188 for (len = MAX_INSNS - 1; len > 0; --len) 6189 if (fp[len].code != 0 || fp[len].imm != 0) 6190 break; 6191 return len + 1; 6192 } 6193 6194 static __u32 *patch_name_tbd(const __u32 *raw_u32, 6195 const char *str, __u32 str_off, 6196 unsigned int str_sec_size, 6197 unsigned int *ret_size) 6198 { 6199 int i, raw_u32_size = get_raw_sec_size(raw_u32); 6200 const char *end_str = str + str_sec_size; 6201 const char *next_str = str + str_off; 6202 __u32 *new_u32 = NULL; 6203 6204 if (raw_u32_size == -1) 6205 return ERR_PTR(-EINVAL); 6206 6207 if (!raw_u32_size) { 6208 *ret_size = 0; 6209 return NULL; 6210 } 6211 6212 new_u32 = malloc(raw_u32_size); 6213 if (!new_u32) 6214 return ERR_PTR(-ENOMEM); 6215 6216 for (i = 0; i < raw_u32_size / sizeof(raw_u32[0]); i++) { 6217 if (raw_u32[i] == NAME_TBD) { 6218 next_str = get_next_str(next_str, end_str); 6219 if (CHECK(!next_str, "Error in getting next_str\n")) { 6220 free(new_u32); 6221 return ERR_PTR(-EINVAL); 6222 } 6223 new_u32[i] = next_str - str; 6224 next_str += strlen(next_str); 6225 } else { 6226 new_u32[i] = raw_u32[i]; 6227 } 6228 } 6229 6230 *ret_size = raw_u32_size; 6231 return new_u32; 6232 } 6233 6234 static int test_get_finfo(const struct prog_info_raw_test *test, 6235 int prog_fd) 6236 { 6237 struct bpf_prog_info info = {}; 6238 struct bpf_func_info *finfo; 6239 __u32 info_len, rec_size, i; 6240 void *func_info = NULL; 6241 __u32 nr_func_info; 6242 int err; 6243 6244 /* get necessary lens */ 6245 info_len = sizeof(struct bpf_prog_info); 6246 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 6247 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) { 6248 fprintf(stderr, "%s\n", btf_log_buf); 6249 return -1; 6250 } 6251 nr_func_info = test->func_info_cnt - test->dead_func_cnt; 6252 if (CHECK(info.nr_func_info != nr_func_info, 6253 "incorrect info.nr_func_info (1st) %d", 6254 info.nr_func_info)) { 6255 return -1; 6256 } 6257 6258 rec_size = info.func_info_rec_size; 6259 if (CHECK(rec_size != sizeof(struct bpf_func_info), 6260 "incorrect info.func_info_rec_size (1st) %d", rec_size)) { 6261 return -1; 6262 } 6263 6264 if (!info.nr_func_info) 6265 return 0; 6266 6267 func_info = malloc(info.nr_func_info * rec_size); 6268 if (CHECK(!func_info, "out of memory")) 6269 return -1; 6270 6271 /* reset info to only retrieve func_info related data */ 6272 memset(&info, 0, sizeof(info)); 6273 info.nr_func_info = nr_func_info; 6274 info.func_info_rec_size = rec_size; 6275 info.func_info = ptr_to_u64(func_info); 6276 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 6277 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) { 6278 fprintf(stderr, "%s\n", btf_log_buf); 6279 err = -1; 6280 goto done; 6281 } 6282 if (CHECK(info.nr_func_info != nr_func_info, 6283 "incorrect info.nr_func_info (2nd) %d", 6284 info.nr_func_info)) { 6285 err = -1; 6286 goto done; 6287 } 6288 if (CHECK(info.func_info_rec_size != rec_size, 6289 "incorrect info.func_info_rec_size (2nd) %d", 6290 info.func_info_rec_size)) { 6291 err = -1; 6292 goto done; 6293 } 6294 6295 finfo = func_info; 6296 for (i = 0; i < nr_func_info; i++) { 6297 if (test->dead_func_mask & (1 << i)) 6298 continue; 6299 if (CHECK(finfo->type_id != test->func_info[i][1], 6300 "incorrect func_type %u expected %u", 6301 finfo->type_id, test->func_info[i][1])) { 6302 err = -1; 6303 goto done; 6304 } 6305 finfo = (void *)finfo + rec_size; 6306 } 6307 6308 err = 0; 6309 6310 done: 6311 free(func_info); 6312 return err; 6313 } 6314 6315 static int test_get_linfo(const struct prog_info_raw_test *test, 6316 const void *patched_linfo, 6317 __u32 cnt, int prog_fd) 6318 { 6319 __u32 i, info_len, nr_jited_ksyms, nr_jited_func_lens; 6320 __u64 *jited_linfo = NULL, *jited_ksyms = NULL; 6321 __u32 rec_size, jited_rec_size, jited_cnt; 6322 struct bpf_line_info *linfo = NULL; 6323 __u32 cur_func_len, ksyms_found; 6324 struct bpf_prog_info info = {}; 6325 __u32 *jited_func_lens = NULL; 6326 __u64 cur_func_ksyms; 6327 __u32 dead_insns; 6328 int err; 6329 6330 jited_cnt = cnt; 6331 rec_size = sizeof(*linfo); 6332 jited_rec_size = sizeof(*jited_linfo); 6333 if (test->nr_jited_ksyms) 6334 nr_jited_ksyms = test->nr_jited_ksyms; 6335 else 6336 nr_jited_ksyms = test->func_info_cnt - test->dead_func_cnt; 6337 nr_jited_func_lens = nr_jited_ksyms; 6338 6339 info_len = sizeof(struct bpf_prog_info); 6340 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 6341 if (CHECK(err < 0, "err:%d errno:%d", err, errno)) { 6342 err = -1; 6343 goto done; 6344 } 6345 6346 if (!info.jited_prog_len) { 6347 /* prog is not jited */ 6348 jited_cnt = 0; 6349 nr_jited_ksyms = 1; 6350 nr_jited_func_lens = 1; 6351 } 6352 6353 if (CHECK(info.nr_line_info != cnt || 6354 info.nr_jited_line_info != jited_cnt || 6355 info.nr_jited_ksyms != nr_jited_ksyms || 6356 info.nr_jited_func_lens != nr_jited_func_lens || 6357 (!info.nr_line_info && info.nr_jited_line_info), 6358 "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)", 6359 info.nr_line_info, cnt, 6360 info.nr_jited_line_info, jited_cnt, 6361 info.nr_jited_ksyms, nr_jited_ksyms, 6362 info.nr_jited_func_lens, nr_jited_func_lens)) { 6363 err = -1; 6364 goto done; 6365 } 6366 6367 if (CHECK(info.line_info_rec_size != sizeof(struct bpf_line_info) || 6368 info.jited_line_info_rec_size != sizeof(__u64), 6369 "info: line_info_rec_size:%u(userspace expected:%u) jited_line_info_rec_size:%u(userspace expected:%u)", 6370 info.line_info_rec_size, rec_size, 6371 info.jited_line_info_rec_size, jited_rec_size)) { 6372 err = -1; 6373 goto done; 6374 } 6375 6376 if (!cnt) 6377 return 0; 6378 6379 rec_size = info.line_info_rec_size; 6380 jited_rec_size = info.jited_line_info_rec_size; 6381 6382 memset(&info, 0, sizeof(info)); 6383 6384 linfo = calloc(cnt, rec_size); 6385 if (CHECK(!linfo, "!linfo")) { 6386 err = -1; 6387 goto done; 6388 } 6389 info.nr_line_info = cnt; 6390 info.line_info_rec_size = rec_size; 6391 info.line_info = ptr_to_u64(linfo); 6392 6393 if (jited_cnt) { 6394 jited_linfo = calloc(jited_cnt, jited_rec_size); 6395 jited_ksyms = calloc(nr_jited_ksyms, sizeof(*jited_ksyms)); 6396 jited_func_lens = calloc(nr_jited_func_lens, 6397 sizeof(*jited_func_lens)); 6398 if (CHECK(!jited_linfo || !jited_ksyms || !jited_func_lens, 6399 "jited_linfo:%p jited_ksyms:%p jited_func_lens:%p", 6400 jited_linfo, jited_ksyms, jited_func_lens)) { 6401 err = -1; 6402 goto done; 6403 } 6404 6405 info.nr_jited_line_info = jited_cnt; 6406 info.jited_line_info_rec_size = jited_rec_size; 6407 info.jited_line_info = ptr_to_u64(jited_linfo); 6408 info.nr_jited_ksyms = nr_jited_ksyms; 6409 info.jited_ksyms = ptr_to_u64(jited_ksyms); 6410 info.nr_jited_func_lens = nr_jited_func_lens; 6411 info.jited_func_lens = ptr_to_u64(jited_func_lens); 6412 } 6413 6414 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 6415 6416 /* 6417 * Only recheck the info.*line_info* fields. 6418 * Other fields are not the concern of this test. 6419 */ 6420 if (CHECK(err < 0 || 6421 info.nr_line_info != cnt || 6422 (jited_cnt && !info.jited_line_info) || 6423 info.nr_jited_line_info != jited_cnt || 6424 info.line_info_rec_size != rec_size || 6425 info.jited_line_info_rec_size != jited_rec_size, 6426 "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", 6427 err, errno, 6428 info.nr_line_info, cnt, 6429 info.nr_jited_line_info, jited_cnt, 6430 info.line_info_rec_size, rec_size, 6431 info.jited_line_info_rec_size, jited_rec_size, 6432 (void *)(long)info.line_info, 6433 (void *)(long)info.jited_line_info)) { 6434 err = -1; 6435 goto done; 6436 } 6437 6438 dead_insns = 0; 6439 while (test->dead_code_mask & (1 << dead_insns)) 6440 dead_insns++; 6441 6442 CHECK(linfo[0].insn_off, "linfo[0].insn_off:%u", 6443 linfo[0].insn_off); 6444 for (i = 1; i < cnt; i++) { 6445 const struct bpf_line_info *expected_linfo; 6446 6447 while (test->dead_code_mask & (1 << (i + dead_insns))) 6448 dead_insns++; 6449 6450 expected_linfo = patched_linfo + 6451 ((i + dead_insns) * test->line_info_rec_size); 6452 if (CHECK(linfo[i].insn_off <= linfo[i - 1].insn_off, 6453 "linfo[%u].insn_off:%u <= linfo[%u].insn_off:%u", 6454 i, linfo[i].insn_off, 6455 i - 1, linfo[i - 1].insn_off)) { 6456 err = -1; 6457 goto done; 6458 } 6459 if (CHECK(linfo[i].file_name_off != expected_linfo->file_name_off || 6460 linfo[i].line_off != expected_linfo->line_off || 6461 linfo[i].line_col != expected_linfo->line_col, 6462 "linfo[%u] (%u, %u, %u) != (%u, %u, %u)", i, 6463 linfo[i].file_name_off, 6464 linfo[i].line_off, 6465 linfo[i].line_col, 6466 expected_linfo->file_name_off, 6467 expected_linfo->line_off, 6468 expected_linfo->line_col)) { 6469 err = -1; 6470 goto done; 6471 } 6472 } 6473 6474 if (!jited_cnt) { 6475 fprintf(stderr, "not jited. skipping jited_line_info check. "); 6476 err = 0; 6477 goto done; 6478 } 6479 6480 if (CHECK(jited_linfo[0] != jited_ksyms[0], 6481 "jited_linfo[0]:%lx != jited_ksyms[0]:%lx", 6482 (long)(jited_linfo[0]), (long)(jited_ksyms[0]))) { 6483 err = -1; 6484 goto done; 6485 } 6486 6487 ksyms_found = 1; 6488 cur_func_len = jited_func_lens[0]; 6489 cur_func_ksyms = jited_ksyms[0]; 6490 for (i = 1; i < jited_cnt; i++) { 6491 if (ksyms_found < nr_jited_ksyms && 6492 jited_linfo[i] == jited_ksyms[ksyms_found]) { 6493 cur_func_ksyms = jited_ksyms[ksyms_found]; 6494 cur_func_len = jited_ksyms[ksyms_found]; 6495 ksyms_found++; 6496 continue; 6497 } 6498 6499 if (CHECK(jited_linfo[i] <= jited_linfo[i - 1], 6500 "jited_linfo[%u]:%lx <= jited_linfo[%u]:%lx", 6501 i, (long)jited_linfo[i], 6502 i - 1, (long)(jited_linfo[i - 1]))) { 6503 err = -1; 6504 goto done; 6505 } 6506 6507 if (CHECK(jited_linfo[i] - cur_func_ksyms > cur_func_len, 6508 "jited_linfo[%u]:%lx - %lx > %u", 6509 i, (long)jited_linfo[i], (long)cur_func_ksyms, 6510 cur_func_len)) { 6511 err = -1; 6512 goto done; 6513 } 6514 } 6515 6516 if (CHECK(ksyms_found != nr_jited_ksyms, 6517 "ksyms_found:%u != nr_jited_ksyms:%u", 6518 ksyms_found, nr_jited_ksyms)) { 6519 err = -1; 6520 goto done; 6521 } 6522 6523 err = 0; 6524 6525 done: 6526 free(linfo); 6527 free(jited_linfo); 6528 free(jited_ksyms); 6529 free(jited_func_lens); 6530 return err; 6531 } 6532 6533 static void do_test_info_raw(unsigned int test_num) 6534 { 6535 const struct prog_info_raw_test *test = &info_raw_tests[test_num - 1]; 6536 unsigned int raw_btf_size, linfo_str_off, linfo_size; 6537 int btf_fd = -1, prog_fd = -1, err = 0; 6538 void *raw_btf, *patched_linfo = NULL; 6539 const char *ret_next_str; 6540 union bpf_attr attr = {}; 6541 6542 if (!test__start_subtest(test->descr)) 6543 return; 6544 6545 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, 6546 test->str_sec, test->str_sec_size, 6547 &raw_btf_size, &ret_next_str); 6548 if (!raw_btf) 6549 return; 6550 6551 *btf_log_buf = '\0'; 6552 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 6553 free(raw_btf); 6554 6555 if (CHECK(btf_fd < 0, "invalid btf_fd errno:%d", errno)) { 6556 err = -1; 6557 goto done; 6558 } 6559 6560 if (*btf_log_buf && always_log) 6561 fprintf(stderr, "\n%s", btf_log_buf); 6562 *btf_log_buf = '\0'; 6563 6564 linfo_str_off = ret_next_str - test->str_sec; 6565 patched_linfo = patch_name_tbd(test->line_info, 6566 test->str_sec, linfo_str_off, 6567 test->str_sec_size, &linfo_size); 6568 err = libbpf_get_error(patched_linfo); 6569 if (err) { 6570 fprintf(stderr, "error in creating raw bpf_line_info"); 6571 err = -1; 6572 goto done; 6573 } 6574 6575 attr.prog_type = test->prog_type; 6576 attr.insns = ptr_to_u64(test->insns); 6577 attr.insn_cnt = probe_prog_length(test->insns); 6578 attr.license = ptr_to_u64("GPL"); 6579 attr.prog_btf_fd = btf_fd; 6580 attr.func_info_rec_size = test->func_info_rec_size; 6581 attr.func_info_cnt = test->func_info_cnt; 6582 attr.func_info = ptr_to_u64(test->func_info); 6583 attr.log_buf = ptr_to_u64(btf_log_buf); 6584 attr.log_size = BTF_LOG_BUF_SIZE; 6585 attr.log_level = 1; 6586 if (linfo_size) { 6587 attr.line_info_rec_size = test->line_info_rec_size; 6588 attr.line_info = ptr_to_u64(patched_linfo); 6589 attr.line_info_cnt = linfo_size / attr.line_info_rec_size; 6590 } 6591 6592 prog_fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)); 6593 err = ((prog_fd < 0) != test->expected_prog_load_failure); 6594 if (CHECK(err, "prog_fd:%d expected_prog_load_failure:%u errno:%d", 6595 prog_fd, test->expected_prog_load_failure, errno) || 6596 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str), 6597 "expected err_str:%s", test->err_str)) { 6598 err = -1; 6599 goto done; 6600 } 6601 6602 if (prog_fd < 0) 6603 goto done; 6604 6605 err = test_get_finfo(test, prog_fd); 6606 if (err) 6607 goto done; 6608 6609 err = test_get_linfo(test, patched_linfo, 6610 attr.line_info_cnt - test->dead_code_cnt, 6611 prog_fd); 6612 if (err) 6613 goto done; 6614 6615 done: 6616 if (*btf_log_buf && (err || always_log)) 6617 fprintf(stderr, "\n%s", btf_log_buf); 6618 6619 if (btf_fd >= 0) 6620 close(btf_fd); 6621 if (prog_fd >= 0) 6622 close(prog_fd); 6623 6624 if (!libbpf_get_error(patched_linfo)) 6625 free(patched_linfo); 6626 } 6627 6628 struct btf_raw_data { 6629 __u32 raw_types[MAX_NR_RAW_U32]; 6630 const char *str_sec; 6631 __u32 str_sec_size; 6632 }; 6633 6634 struct btf_dedup_test { 6635 const char *descr; 6636 struct btf_raw_data input; 6637 struct btf_raw_data expect; 6638 struct btf_dedup_opts opts; 6639 }; 6640 6641 static struct btf_dedup_test dedup_tests[] = { 6642 6643 { 6644 .descr = "dedup: unused strings filtering", 6645 .input = { 6646 .raw_types = { 6647 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 4), 6648 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 64, 8), 6649 BTF_END_RAW, 6650 }, 6651 BTF_STR_SEC("\0unused\0int\0foo\0bar\0long"), 6652 }, 6653 .expect = { 6654 .raw_types = { 6655 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6656 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6657 BTF_END_RAW, 6658 }, 6659 BTF_STR_SEC("\0int\0long"), 6660 }, 6661 }, 6662 { 6663 .descr = "dedup: strings deduplication", 6664 .input = { 6665 .raw_types = { 6666 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6667 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6668 BTF_TYPE_INT_ENC(NAME_NTH(3), BTF_INT_SIGNED, 0, 32, 4), 6669 BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 64, 8), 6670 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), 6671 BTF_END_RAW, 6672 }, 6673 BTF_STR_SEC("\0int\0long int\0int\0long int\0int"), 6674 }, 6675 .expect = { 6676 .raw_types = { 6677 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6678 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6679 BTF_END_RAW, 6680 }, 6681 BTF_STR_SEC("\0int\0long int"), 6682 }, 6683 }, 6684 { 6685 .descr = "dedup: struct example #1", 6686 /* 6687 * struct s { 6688 * struct s *next; 6689 * const int *a; 6690 * int b[16]; 6691 * int c; 6692 * } 6693 */ 6694 .input = { 6695 .raw_types = { 6696 /* int */ 6697 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6698 /* int[16] */ 6699 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */ 6700 /* struct s { */ 6701 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [3] */ 6702 BTF_MEMBER_ENC(NAME_NTH(3), 4, 0), /* struct s *next; */ 6703 BTF_MEMBER_ENC(NAME_NTH(4), 5, 64), /* const int *a; */ 6704 BTF_MEMBER_ENC(NAME_NTH(5), 2, 128), /* int b[16]; */ 6705 BTF_MEMBER_ENC(NAME_NTH(6), 1, 640), /* int c; */ 6706 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), /* float d; */ 6707 /* ptr -> [3] struct s */ 6708 BTF_PTR_ENC(3), /* [4] */ 6709 /* ptr -> [6] const int */ 6710 BTF_PTR_ENC(6), /* [5] */ 6711 /* const -> [1] int */ 6712 BTF_CONST_ENC(1), /* [6] */ 6713 /* tag -> [3] struct s */ 6714 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */ 6715 /* tag -> [3] struct s, member 1 */ 6716 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */ 6717 6718 /* full copy of the above */ 6719 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [9] */ 6720 BTF_TYPE_ARRAY_ENC(9, 9, 16), /* [10] */ 6721 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [11] */ 6722 BTF_MEMBER_ENC(NAME_NTH(3), 12, 0), 6723 BTF_MEMBER_ENC(NAME_NTH(4), 13, 64), 6724 BTF_MEMBER_ENC(NAME_NTH(5), 10, 128), 6725 BTF_MEMBER_ENC(NAME_NTH(6), 9, 640), 6726 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), 6727 BTF_PTR_ENC(11), /* [12] */ 6728 BTF_PTR_ENC(14), /* [13] */ 6729 BTF_CONST_ENC(9), /* [14] */ 6730 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [15] */ 6731 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, -1), /* [16] */ 6732 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, 1), /* [17] */ 6733 BTF_END_RAW, 6734 }, 6735 BTF_STR_SEC("\0int\0s\0next\0a\0b\0c\0float\0d"), 6736 }, 6737 .expect = { 6738 .raw_types = { 6739 /* int */ 6740 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6741 /* int[16] */ 6742 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */ 6743 /* struct s { */ 6744 BTF_STRUCT_ENC(NAME_NTH(8), 5, 88), /* [3] */ 6745 BTF_MEMBER_ENC(NAME_NTH(7), 4, 0), /* struct s *next; */ 6746 BTF_MEMBER_ENC(NAME_NTH(1), 5, 64), /* const int *a; */ 6747 BTF_MEMBER_ENC(NAME_NTH(2), 2, 128), /* int b[16]; */ 6748 BTF_MEMBER_ENC(NAME_NTH(3), 1, 640), /* int c; */ 6749 BTF_MEMBER_ENC(NAME_NTH(4), 9, 672), /* float d; */ 6750 /* ptr -> [3] struct s */ 6751 BTF_PTR_ENC(3), /* [4] */ 6752 /* ptr -> [6] const int */ 6753 BTF_PTR_ENC(6), /* [5] */ 6754 /* const -> [1] int */ 6755 BTF_CONST_ENC(1), /* [6] */ 6756 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */ 6757 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */ 6758 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [9] */ 6759 BTF_END_RAW, 6760 }, 6761 BTF_STR_SEC("\0a\0b\0c\0d\0int\0float\0next\0s"), 6762 }, 6763 }, 6764 { 6765 .descr = "dedup: struct <-> fwd resolution w/ hash collision", 6766 /* 6767 * // CU 1: 6768 * struct x; 6769 * struct s { 6770 * struct x *x; 6771 * }; 6772 * // CU 2: 6773 * struct x {}; 6774 * struct s { 6775 * struct x *x; 6776 * }; 6777 */ 6778 .input = { 6779 .raw_types = { 6780 /* CU 1 */ 6781 BTF_FWD_ENC(NAME_TBD, 0 /* struct fwd */), /* [1] fwd x */ 6782 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 6783 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] struct s */ 6784 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 6785 /* CU 2 */ 6786 BTF_STRUCT_ENC(NAME_TBD, 0, 0), /* [4] struct x */ 6787 BTF_PTR_ENC(4), /* [5] ptr -> [4] */ 6788 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [6] struct s */ 6789 BTF_MEMBER_ENC(NAME_TBD, 5, 0), 6790 BTF_END_RAW, 6791 }, 6792 BTF_STR_SEC("\0x\0s\0x\0x\0s\0x\0"), 6793 }, 6794 .expect = { 6795 .raw_types = { 6796 BTF_PTR_ENC(3), /* [1] ptr -> [3] */ 6797 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [2] struct s */ 6798 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 6799 BTF_STRUCT_ENC(NAME_NTH(2), 0, 0), /* [3] struct x */ 6800 BTF_END_RAW, 6801 }, 6802 BTF_STR_SEC("\0s\0x"), 6803 }, 6804 .opts = { 6805 .force_collisions = true, /* force hash collisions */ 6806 }, 6807 }, 6808 { 6809 .descr = "dedup: void equiv check", 6810 /* 6811 * // CU 1: 6812 * struct s { 6813 * struct {} *x; 6814 * }; 6815 * // CU 2: 6816 * struct s { 6817 * int *x; 6818 * }; 6819 */ 6820 .input = { 6821 .raw_types = { 6822 /* CU 1 */ 6823 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */ 6824 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 6825 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */ 6826 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 6827 /* CU 2 */ 6828 BTF_PTR_ENC(0), /* [4] ptr -> void */ 6829 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */ 6830 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0), 6831 BTF_END_RAW, 6832 }, 6833 BTF_STR_SEC("\0s\0x"), 6834 }, 6835 .expect = { 6836 .raw_types = { 6837 /* CU 1 */ 6838 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */ 6839 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 6840 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */ 6841 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 6842 /* CU 2 */ 6843 BTF_PTR_ENC(0), /* [4] ptr -> void */ 6844 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */ 6845 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0), 6846 BTF_END_RAW, 6847 }, 6848 BTF_STR_SEC("\0s\0x"), 6849 }, 6850 .opts = { 6851 .force_collisions = true, /* force hash collisions */ 6852 }, 6853 }, 6854 { 6855 .descr = "dedup: all possible kinds (no duplicates)", 6856 .input = { 6857 .raw_types = { 6858 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */ 6859 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */ 6860 BTF_ENUM_ENC(NAME_TBD, 0), 6861 BTF_ENUM_ENC(NAME_TBD, 1), 6862 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */ 6863 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */ 6864 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */ 6865 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 6866 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */ 6867 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 6868 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */ 6869 BTF_PTR_ENC(0), /* [8] ptr */ 6870 BTF_CONST_ENC(8), /* [9] const */ 6871 BTF_VOLATILE_ENC(8), /* [10] volatile */ 6872 BTF_RESTRICT_ENC(8), /* [11] restrict */ 6873 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ 6874 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6875 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), 6876 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ 6877 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ 6878 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ 6879 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ 6880 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ 6881 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ 6882 BTF_END_RAW, 6883 }, 6884 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R"), 6885 }, 6886 .expect = { 6887 .raw_types = { 6888 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */ 6889 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */ 6890 BTF_ENUM_ENC(NAME_TBD, 0), 6891 BTF_ENUM_ENC(NAME_TBD, 1), 6892 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */ 6893 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */ 6894 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */ 6895 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 6896 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */ 6897 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 6898 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */ 6899 BTF_PTR_ENC(0), /* [8] ptr */ 6900 BTF_CONST_ENC(8), /* [9] const */ 6901 BTF_VOLATILE_ENC(8), /* [10] volatile */ 6902 BTF_RESTRICT_ENC(8), /* [11] restrict */ 6903 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ 6904 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6905 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), 6906 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ 6907 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ 6908 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ 6909 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ 6910 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ 6911 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ 6912 BTF_END_RAW, 6913 }, 6914 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R"), 6915 }, 6916 }, 6917 { 6918 .descr = "dedup: no int/float duplicates", 6919 .input = { 6920 .raw_types = { 6921 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8), 6922 /* different name */ 6923 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8), 6924 /* different encoding */ 6925 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8), 6926 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8), 6927 /* different bit offset */ 6928 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8), 6929 /* different bit size */ 6930 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8), 6931 /* different byte size */ 6932 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6933 /* all allowed sizes */ 6934 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2), 6935 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4), 6936 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8), 6937 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12), 6938 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16), 6939 BTF_END_RAW, 6940 }, 6941 BTF_STR_SEC("\0int\0some other int\0float"), 6942 }, 6943 .expect = { 6944 .raw_types = { 6945 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8), 6946 /* different name */ 6947 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8), 6948 /* different encoding */ 6949 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8), 6950 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8), 6951 /* different bit offset */ 6952 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8), 6953 /* different bit size */ 6954 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8), 6955 /* different byte size */ 6956 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6957 /* all allowed sizes */ 6958 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2), 6959 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4), 6960 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8), 6961 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12), 6962 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16), 6963 BTF_END_RAW, 6964 }, 6965 BTF_STR_SEC("\0int\0some other int\0float"), 6966 }, 6967 }, 6968 { 6969 .descr = "dedup: enum fwd resolution", 6970 .input = { 6971 .raw_types = { 6972 /* [1] fwd enum 'e1' before full enum */ 6973 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), 6974 /* [2] full enum 'e1' after fwd */ 6975 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 6976 BTF_ENUM_ENC(NAME_NTH(2), 123), 6977 /* [3] full enum 'e2' before fwd */ 6978 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 6979 BTF_ENUM_ENC(NAME_NTH(4), 456), 6980 /* [4] fwd enum 'e2' after full enum */ 6981 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), 6982 /* [5] incompatible fwd enum with different size */ 6983 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1), 6984 /* [6] incompatible full enum with different value */ 6985 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 6986 BTF_ENUM_ENC(NAME_NTH(2), 321), 6987 BTF_END_RAW, 6988 }, 6989 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 6990 }, 6991 .expect = { 6992 .raw_types = { 6993 /* [1] full enum 'e1' */ 6994 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 6995 BTF_ENUM_ENC(NAME_NTH(2), 123), 6996 /* [2] full enum 'e2' */ 6997 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 6998 BTF_ENUM_ENC(NAME_NTH(4), 456), 6999 /* [3] incompatible fwd enum with different size */ 7000 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1), 7001 /* [4] incompatible full enum with different value */ 7002 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7003 BTF_ENUM_ENC(NAME_NTH(2), 321), 7004 BTF_END_RAW, 7005 }, 7006 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7007 }, 7008 }, 7009 { 7010 .descr = "dedup: datasec and vars pass-through", 7011 .input = { 7012 .raw_types = { 7013 /* int */ 7014 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7015 /* static int t */ 7016 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */ 7017 /* .bss section */ /* [3] */ 7018 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7019 BTF_VAR_SECINFO_ENC(2, 0, 4), 7020 /* int, referenced from [5] */ 7021 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */ 7022 /* another static int t */ 7023 BTF_VAR_ENC(NAME_NTH(2), 4, 0), /* [5] */ 7024 /* another .bss section */ /* [6] */ 7025 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7026 BTF_VAR_SECINFO_ENC(5, 0, 4), 7027 BTF_END_RAW, 7028 }, 7029 BTF_STR_SEC("\0.bss\0t"), 7030 }, 7031 .expect = { 7032 .raw_types = { 7033 /* int */ 7034 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7035 /* static int t */ 7036 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */ 7037 /* .bss section */ /* [3] */ 7038 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7039 BTF_VAR_SECINFO_ENC(2, 0, 4), 7040 /* another static int t */ 7041 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [4] */ 7042 /* another .bss section */ /* [5] */ 7043 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7044 BTF_VAR_SECINFO_ENC(4, 0, 4), 7045 BTF_END_RAW, 7046 }, 7047 BTF_STR_SEC("\0.bss\0t"), 7048 }, 7049 .opts = { 7050 .force_collisions = true 7051 }, 7052 }, 7053 { 7054 .descr = "dedup: func/func_arg/var tags", 7055 .input = { 7056 .raw_types = { 7057 /* int */ 7058 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7059 /* static int t */ 7060 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */ 7061 /* void f(int a1, int a2) */ 7062 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 7063 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7064 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1), 7065 BTF_FUNC_ENC(NAME_NTH(4), 2), /* [4] */ 7066 /* tag -> t */ 7067 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7068 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [6] */ 7069 /* tag -> func */ 7070 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [7] */ 7071 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [8] */ 7072 /* tag -> func arg a1 */ 7073 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [9] */ 7074 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [10] */ 7075 BTF_END_RAW, 7076 }, 7077 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"), 7078 }, 7079 .expect = { 7080 .raw_types = { 7081 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7082 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */ 7083 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 7084 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7085 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1), 7086 BTF_FUNC_ENC(NAME_NTH(4), 2), /* [4] */ 7087 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7088 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [6] */ 7089 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [7] */ 7090 BTF_END_RAW, 7091 }, 7092 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"), 7093 }, 7094 }, 7095 { 7096 .descr = "dedup: func/func_param tags", 7097 .input = { 7098 .raw_types = { 7099 /* int */ 7100 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7101 /* void f(int a1, int a2) */ 7102 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 7103 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7104 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7105 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */ 7106 /* void f(int a1, int a2) */ 7107 BTF_FUNC_PROTO_ENC(0, 2), /* [4] */ 7108 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7109 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7110 BTF_FUNC_ENC(NAME_NTH(3), 4), /* [5] */ 7111 /* tag -> f: tag1, tag2 */ 7112 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [6] */ 7113 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [7] */ 7114 /* tag -> f/a2: tag1, tag2 */ 7115 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [8] */ 7116 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [9] */ 7117 /* tag -> f: tag1, tag3 */ 7118 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, -1), /* [10] */ 7119 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, -1), /* [11] */ 7120 /* tag -> f/a2: tag1, tag3 */ 7121 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, 1), /* [12] */ 7122 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, 1), /* [13] */ 7123 BTF_END_RAW, 7124 }, 7125 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"), 7126 }, 7127 .expect = { 7128 .raw_types = { 7129 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7130 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 7131 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7132 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7133 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */ 7134 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [4] */ 7135 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [5] */ 7136 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [6] */ 7137 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [7] */ 7138 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [8] */ 7139 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [9] */ 7140 BTF_END_RAW, 7141 }, 7142 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"), 7143 }, 7144 }, 7145 { 7146 .descr = "dedup: struct/struct_member tags", 7147 .input = { 7148 .raw_types = { 7149 /* int */ 7150 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7151 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */ 7152 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7153 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7154 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [3] */ 7155 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7156 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7157 /* tag -> t: tag1, tag2 */ 7158 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [4] */ 7159 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7160 /* tag -> t/m2: tag1, tag2 */ 7161 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */ 7162 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */ 7163 /* tag -> t: tag1, tag3 */ 7164 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [8] */ 7165 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [9] */ 7166 /* tag -> t/m2: tag1, tag3 */ 7167 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [10] */ 7168 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [11] */ 7169 BTF_END_RAW, 7170 }, 7171 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), 7172 }, 7173 .expect = { 7174 .raw_types = { 7175 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7176 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */ 7177 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7178 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7179 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [3] */ 7180 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [4] */ 7181 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, -1), /* [5] */ 7182 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */ 7183 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */ 7184 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, 1), /* [8] */ 7185 BTF_END_RAW, 7186 }, 7187 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), 7188 }, 7189 }, 7190 { 7191 .descr = "dedup: typedef tags", 7192 .input = { 7193 .raw_types = { 7194 /* int */ 7195 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7196 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ 7197 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [3] */ 7198 /* tag -> t: tag1, tag2 */ 7199 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [4] */ 7200 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [5] */ 7201 /* tag -> t: tag1, tag3 */ 7202 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [6] */ 7203 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [7] */ 7204 BTF_END_RAW, 7205 }, 7206 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"), 7207 }, 7208 .expect = { 7209 .raw_types = { 7210 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7211 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ 7212 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [3] */ 7213 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [4] */ 7214 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [5] */ 7215 BTF_END_RAW, 7216 }, 7217 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"), 7218 }, 7219 }, 7220 { 7221 .descr = "dedup: btf_type_tag #1", 7222 .input = { 7223 .raw_types = { 7224 /* ptr -> tag2 -> tag1 -> int */ 7225 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7226 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7227 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7228 BTF_PTR_ENC(3), /* [4] */ 7229 /* ptr -> tag2 -> tag1 -> int */ 7230 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [5] */ 7231 BTF_TYPE_TAG_ENC(NAME_NTH(2), 5), /* [6] */ 7232 BTF_PTR_ENC(6), /* [7] */ 7233 /* ptr -> tag1 -> int */ 7234 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [8] */ 7235 BTF_PTR_ENC(8), /* [9] */ 7236 BTF_END_RAW, 7237 }, 7238 BTF_STR_SEC("\0tag1\0tag2"), 7239 }, 7240 .expect = { 7241 .raw_types = { 7242 /* ptr -> tag2 -> tag1 -> int */ 7243 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7244 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7245 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7246 BTF_PTR_ENC(3), /* [4] */ 7247 /* ptr -> tag1 -> int */ 7248 BTF_PTR_ENC(2), /* [5] */ 7249 BTF_END_RAW, 7250 }, 7251 BTF_STR_SEC("\0tag1\0tag2"), 7252 }, 7253 }, 7254 { 7255 .descr = "dedup: btf_type_tag #2", 7256 .input = { 7257 .raw_types = { 7258 /* ptr -> tag2 -> tag1 -> int */ 7259 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7260 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7261 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7262 BTF_PTR_ENC(3), /* [4] */ 7263 /* ptr -> tag2 -> int */ 7264 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7265 BTF_PTR_ENC(5), /* [6] */ 7266 BTF_END_RAW, 7267 }, 7268 BTF_STR_SEC("\0tag1\0tag2"), 7269 }, 7270 .expect = { 7271 .raw_types = { 7272 /* ptr -> tag2 -> tag1 -> int */ 7273 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7274 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7275 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7276 BTF_PTR_ENC(3), /* [4] */ 7277 /* ptr -> tag2 -> int */ 7278 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7279 BTF_PTR_ENC(5), /* [6] */ 7280 BTF_END_RAW, 7281 }, 7282 BTF_STR_SEC("\0tag1\0tag2"), 7283 }, 7284 }, 7285 { 7286 .descr = "dedup: btf_type_tag #3", 7287 .input = { 7288 .raw_types = { 7289 /* ptr -> tag2 -> tag1 -> int */ 7290 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7291 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7292 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7293 BTF_PTR_ENC(3), /* [4] */ 7294 /* ptr -> tag1 -> tag2 -> int */ 7295 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7296 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ 7297 BTF_PTR_ENC(6), /* [7] */ 7298 BTF_END_RAW, 7299 }, 7300 BTF_STR_SEC("\0tag1\0tag2"), 7301 }, 7302 .expect = { 7303 .raw_types = { 7304 /* ptr -> tag2 -> tag1 -> int */ 7305 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7306 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7307 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7308 BTF_PTR_ENC(3), /* [4] */ 7309 /* ptr -> tag1 -> tag2 -> int */ 7310 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7311 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ 7312 BTF_PTR_ENC(6), /* [7] */ 7313 BTF_END_RAW, 7314 }, 7315 BTF_STR_SEC("\0tag1\0tag2"), 7316 }, 7317 }, 7318 { 7319 .descr = "dedup: btf_type_tag #4", 7320 .input = { 7321 .raw_types = { 7322 /* ptr -> tag1 -> int */ 7323 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7324 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7325 BTF_PTR_ENC(2), /* [3] */ 7326 /* ptr -> tag1 -> long */ 7327 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ 7328 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ 7329 BTF_PTR_ENC(5), /* [6] */ 7330 BTF_END_RAW, 7331 }, 7332 BTF_STR_SEC("\0tag1"), 7333 }, 7334 .expect = { 7335 .raw_types = { 7336 /* ptr -> tag1 -> int */ 7337 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7338 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7339 BTF_PTR_ENC(2), /* [3] */ 7340 /* ptr -> tag1 -> long */ 7341 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ 7342 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ 7343 BTF_PTR_ENC(5), /* [6] */ 7344 BTF_END_RAW, 7345 }, 7346 BTF_STR_SEC("\0tag1"), 7347 }, 7348 }, 7349 { 7350 .descr = "dedup: btf_type_tag #5, struct", 7351 .input = { 7352 .raw_types = { 7353 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7354 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7355 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ 7356 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), 7357 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [4] */ 7358 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [5] */ 7359 BTF_MEMBER_ENC(NAME_NTH(3), 4, BTF_MEMBER_OFFSET(0, 0)), 7360 BTF_END_RAW, 7361 }, 7362 BTF_STR_SEC("\0tag1\0t\0m"), 7363 }, 7364 .expect = { 7365 .raw_types = { 7366 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7367 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7368 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ 7369 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), 7370 BTF_END_RAW, 7371 }, 7372 BTF_STR_SEC("\0tag1\0t\0m"), 7373 }, 7374 }, 7375 7376 }; 7377 7378 static int btf_type_size(const struct btf_type *t) 7379 { 7380 int base_size = sizeof(struct btf_type); 7381 __u16 vlen = BTF_INFO_VLEN(t->info); 7382 __u16 kind = BTF_INFO_KIND(t->info); 7383 7384 switch (kind) { 7385 case BTF_KIND_FWD: 7386 case BTF_KIND_CONST: 7387 case BTF_KIND_VOLATILE: 7388 case BTF_KIND_RESTRICT: 7389 case BTF_KIND_PTR: 7390 case BTF_KIND_TYPEDEF: 7391 case BTF_KIND_FUNC: 7392 case BTF_KIND_FLOAT: 7393 case BTF_KIND_TYPE_TAG: 7394 return base_size; 7395 case BTF_KIND_INT: 7396 return base_size + sizeof(__u32); 7397 case BTF_KIND_ENUM: 7398 return base_size + vlen * sizeof(struct btf_enum); 7399 case BTF_KIND_ARRAY: 7400 return base_size + sizeof(struct btf_array); 7401 case BTF_KIND_STRUCT: 7402 case BTF_KIND_UNION: 7403 return base_size + vlen * sizeof(struct btf_member); 7404 case BTF_KIND_FUNC_PROTO: 7405 return base_size + vlen * sizeof(struct btf_param); 7406 case BTF_KIND_VAR: 7407 return base_size + sizeof(struct btf_var); 7408 case BTF_KIND_DATASEC: 7409 return base_size + vlen * sizeof(struct btf_var_secinfo); 7410 case BTF_KIND_DECL_TAG: 7411 return base_size + sizeof(struct btf_decl_tag); 7412 default: 7413 fprintf(stderr, "Unsupported BTF_KIND:%u\n", kind); 7414 return -EINVAL; 7415 } 7416 } 7417 7418 static void dump_btf_strings(const char *strs, __u32 len) 7419 { 7420 const char *cur = strs; 7421 int i = 0; 7422 7423 while (cur < strs + len) { 7424 fprintf(stderr, "string #%d: '%s'\n", i, cur); 7425 cur += strlen(cur) + 1; 7426 i++; 7427 } 7428 } 7429 7430 static void do_test_dedup(unsigned int test_num) 7431 { 7432 struct btf_dedup_test *test = &dedup_tests[test_num - 1]; 7433 __u32 test_nr_types, expect_nr_types, test_btf_size, expect_btf_size; 7434 const struct btf_header *test_hdr, *expect_hdr; 7435 struct btf *test_btf = NULL, *expect_btf = NULL; 7436 const void *test_btf_data, *expect_btf_data; 7437 const char *ret_test_next_str, *ret_expect_next_str; 7438 const char *test_strs, *expect_strs; 7439 const char *test_str_cur; 7440 const char *expect_str_cur, *expect_str_end; 7441 unsigned int raw_btf_size; 7442 void *raw_btf; 7443 int err = 0, i; 7444 7445 if (!test__start_subtest(test->descr)) 7446 return; 7447 7448 raw_btf = btf_raw_create(&hdr_tmpl, test->input.raw_types, 7449 test->input.str_sec, test->input.str_sec_size, 7450 &raw_btf_size, &ret_test_next_str); 7451 if (!raw_btf) 7452 return; 7453 7454 test_btf = btf__new((__u8 *)raw_btf, raw_btf_size); 7455 err = libbpf_get_error(test_btf); 7456 free(raw_btf); 7457 if (CHECK(err, "invalid test_btf errno:%d", err)) { 7458 err = -1; 7459 goto done; 7460 } 7461 7462 raw_btf = btf_raw_create(&hdr_tmpl, test->expect.raw_types, 7463 test->expect.str_sec, 7464 test->expect.str_sec_size, 7465 &raw_btf_size, &ret_expect_next_str); 7466 if (!raw_btf) 7467 return; 7468 expect_btf = btf__new((__u8 *)raw_btf, raw_btf_size); 7469 err = libbpf_get_error(expect_btf); 7470 free(raw_btf); 7471 if (CHECK(err, "invalid expect_btf errno:%d", err)) { 7472 err = -1; 7473 goto done; 7474 } 7475 7476 test->opts.sz = sizeof(test->opts); 7477 err = btf__dedup(test_btf, &test->opts); 7478 if (CHECK(err, "btf_dedup failed errno:%d", err)) { 7479 err = -1; 7480 goto done; 7481 } 7482 7483 test_btf_data = btf__raw_data(test_btf, &test_btf_size); 7484 expect_btf_data = btf__raw_data(expect_btf, &expect_btf_size); 7485 if (CHECK(test_btf_size != expect_btf_size, 7486 "test_btf_size:%u != expect_btf_size:%u", 7487 test_btf_size, expect_btf_size)) { 7488 err = -1; 7489 goto done; 7490 } 7491 7492 test_hdr = test_btf_data; 7493 test_strs = test_btf_data + sizeof(*test_hdr) + test_hdr->str_off; 7494 expect_hdr = expect_btf_data; 7495 expect_strs = expect_btf_data + sizeof(*test_hdr) + expect_hdr->str_off; 7496 if (CHECK(test_hdr->str_len != expect_hdr->str_len, 7497 "test_hdr->str_len:%u != expect_hdr->str_len:%u", 7498 test_hdr->str_len, expect_hdr->str_len)) { 7499 fprintf(stderr, "\ntest strings:\n"); 7500 dump_btf_strings(test_strs, test_hdr->str_len); 7501 fprintf(stderr, "\nexpected strings:\n"); 7502 dump_btf_strings(expect_strs, expect_hdr->str_len); 7503 err = -1; 7504 goto done; 7505 } 7506 7507 expect_str_cur = expect_strs; 7508 expect_str_end = expect_strs + expect_hdr->str_len; 7509 while (expect_str_cur < expect_str_end) { 7510 size_t test_len, expect_len; 7511 int off; 7512 7513 off = btf__find_str(test_btf, expect_str_cur); 7514 if (CHECK(off < 0, "exp str '%s' not found: %d\n", expect_str_cur, off)) { 7515 err = -1; 7516 goto done; 7517 } 7518 test_str_cur = btf__str_by_offset(test_btf, off); 7519 7520 test_len = strlen(test_str_cur); 7521 expect_len = strlen(expect_str_cur); 7522 if (CHECK(test_len != expect_len, 7523 "test_len:%zu != expect_len:%zu " 7524 "(test_str:%s, expect_str:%s)", 7525 test_len, expect_len, test_str_cur, expect_str_cur)) { 7526 err = -1; 7527 goto done; 7528 } 7529 if (CHECK(strcmp(test_str_cur, expect_str_cur), 7530 "test_str:%s != expect_str:%s", 7531 test_str_cur, expect_str_cur)) { 7532 err = -1; 7533 goto done; 7534 } 7535 expect_str_cur += expect_len + 1; 7536 } 7537 7538 test_nr_types = btf__type_cnt(test_btf); 7539 expect_nr_types = btf__type_cnt(expect_btf); 7540 if (CHECK(test_nr_types != expect_nr_types, 7541 "test_nr_types:%u != expect_nr_types:%u", 7542 test_nr_types, expect_nr_types)) { 7543 err = -1; 7544 goto done; 7545 } 7546 7547 for (i = 1; i < test_nr_types; i++) { 7548 const struct btf_type *test_type, *expect_type; 7549 int test_size, expect_size; 7550 7551 test_type = btf__type_by_id(test_btf, i); 7552 expect_type = btf__type_by_id(expect_btf, i); 7553 test_size = btf_type_size(test_type); 7554 expect_size = btf_type_size(expect_type); 7555 7556 if (CHECK(test_size != expect_size, 7557 "type #%d: test_size:%d != expect_size:%u", 7558 i, test_size, expect_size)) { 7559 err = -1; 7560 goto done; 7561 } 7562 if (CHECK(btf_kind(test_type) != btf_kind(expect_type), 7563 "type %d kind: exp %d != got %u\n", 7564 i, btf_kind(expect_type), btf_kind(test_type))) { 7565 err = -1; 7566 goto done; 7567 } 7568 if (CHECK(test_type->info != expect_type->info, 7569 "type %d info: exp %d != got %u\n", 7570 i, expect_type->info, test_type->info)) { 7571 err = -1; 7572 goto done; 7573 } 7574 if (CHECK(test_type->size != expect_type->size, 7575 "type %d size/type: exp %d != got %u\n", 7576 i, expect_type->size, test_type->size)) { 7577 err = -1; 7578 goto done; 7579 } 7580 } 7581 7582 done: 7583 btf__free(test_btf); 7584 btf__free(expect_btf); 7585 } 7586 7587 void test_btf(void) 7588 { 7589 int i; 7590 7591 always_log = env.verbosity > VERBOSE_NONE; 7592 7593 for (i = 1; i <= ARRAY_SIZE(raw_tests); i++) 7594 do_test_raw(i); 7595 for (i = 1; i <= ARRAY_SIZE(get_info_tests); i++) 7596 do_test_get_info(i); 7597 for (i = 1; i <= ARRAY_SIZE(file_tests); i++) 7598 do_test_file(i); 7599 for (i = 1; i <= ARRAY_SIZE(info_raw_tests); i++) 7600 do_test_info_raw(i); 7601 for (i = 1; i <= ARRAY_SIZE(dedup_tests); i++) 7602 do_test_dedup(i); 7603 test_pprint(); 7604 } 7605