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