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