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_newkv.bpf.o", }, 4655 { .file = "test_btf_nokv.bpf.o", .btf_kv_notfound = true, }, 4656 }; 4657 4658 static void do_test_file(unsigned int test_num) 4659 { 4660 const struct btf_file_test *test = &file_tests[test_num - 1]; 4661 const char *expected_fnames[] = {"_dummy_tracepoint", 4662 "test_long_fname_1", 4663 "test_long_fname_2"}; 4664 struct btf_ext *btf_ext = NULL; 4665 struct bpf_prog_info info = {}; 4666 struct bpf_object *obj = NULL; 4667 struct bpf_func_info *finfo; 4668 struct bpf_program *prog; 4669 __u32 info_len, rec_size; 4670 bool has_btf_ext = false; 4671 struct btf *btf = NULL; 4672 void *func_info = NULL; 4673 struct bpf_map *map; 4674 int i, err, prog_fd; 4675 4676 if (!test__start_subtest(test->file)) 4677 return; 4678 4679 btf = btf__parse_elf(test->file, &btf_ext); 4680 err = libbpf_get_error(btf); 4681 if (err) { 4682 if (err == -ENOENT) { 4683 printf("%s:SKIP: No ELF %s found", __func__, BTF_ELF_SEC); 4684 test__skip(); 4685 return; 4686 } 4687 return; 4688 } 4689 btf__free(btf); 4690 4691 has_btf_ext = btf_ext != NULL; 4692 btf_ext__free(btf_ext); 4693 4694 /* temporary disable LIBBPF_STRICT_MAP_DEFINITIONS to test legacy maps */ 4695 libbpf_set_strict_mode(LIBBPF_STRICT_ALL & ~LIBBPF_STRICT_MAP_DEFINITIONS); 4696 obj = bpf_object__open(test->file); 4697 err = libbpf_get_error(obj); 4698 if (CHECK(err, "obj: %d", err)) 4699 return; 4700 4701 prog = bpf_object__next_program(obj, NULL); 4702 if (CHECK(!prog, "Cannot find bpf_prog")) { 4703 err = -1; 4704 goto done; 4705 } 4706 4707 bpf_program__set_type(prog, BPF_PROG_TYPE_TRACEPOINT); 4708 err = bpf_object__load(obj); 4709 if (CHECK(err < 0, "bpf_object__load: %d", err)) 4710 goto done; 4711 prog_fd = bpf_program__fd(prog); 4712 4713 map = bpf_object__find_map_by_name(obj, "btf_map"); 4714 if (CHECK(!map, "btf_map not found")) { 4715 err = -1; 4716 goto done; 4717 } 4718 4719 err = (bpf_map__btf_key_type_id(map) == 0 || bpf_map__btf_value_type_id(map) == 0) 4720 != test->btf_kv_notfound; 4721 if (CHECK(err, "btf_key_type_id:%u btf_value_type_id:%u test->btf_kv_notfound:%u", 4722 bpf_map__btf_key_type_id(map), bpf_map__btf_value_type_id(map), 4723 test->btf_kv_notfound)) 4724 goto done; 4725 4726 if (!has_btf_ext) 4727 goto skip; 4728 4729 /* get necessary program info */ 4730 info_len = sizeof(struct bpf_prog_info); 4731 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 4732 4733 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) { 4734 fprintf(stderr, "%s\n", btf_log_buf); 4735 err = -1; 4736 goto done; 4737 } 4738 if (CHECK(info.nr_func_info != 3, 4739 "incorrect info.nr_func_info (1st) %d", 4740 info.nr_func_info)) { 4741 err = -1; 4742 goto done; 4743 } 4744 rec_size = info.func_info_rec_size; 4745 if (CHECK(rec_size != sizeof(struct bpf_func_info), 4746 "incorrect info.func_info_rec_size (1st) %d\n", rec_size)) { 4747 err = -1; 4748 goto done; 4749 } 4750 4751 func_info = malloc(info.nr_func_info * rec_size); 4752 if (CHECK(!func_info, "out of memory")) { 4753 err = -1; 4754 goto done; 4755 } 4756 4757 /* reset info to only retrieve func_info related data */ 4758 memset(&info, 0, sizeof(info)); 4759 info.nr_func_info = 3; 4760 info.func_info_rec_size = rec_size; 4761 info.func_info = ptr_to_u64(func_info); 4762 4763 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 4764 4765 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) { 4766 fprintf(stderr, "%s\n", btf_log_buf); 4767 err = -1; 4768 goto done; 4769 } 4770 if (CHECK(info.nr_func_info != 3, 4771 "incorrect info.nr_func_info (2nd) %d", 4772 info.nr_func_info)) { 4773 err = -1; 4774 goto done; 4775 } 4776 if (CHECK(info.func_info_rec_size != rec_size, 4777 "incorrect info.func_info_rec_size (2nd) %d", 4778 info.func_info_rec_size)) { 4779 err = -1; 4780 goto done; 4781 } 4782 4783 btf = btf__load_from_kernel_by_id(info.btf_id); 4784 err = libbpf_get_error(btf); 4785 if (CHECK(err, "cannot get btf from kernel, err: %d", err)) 4786 goto done; 4787 4788 /* check three functions */ 4789 finfo = func_info; 4790 for (i = 0; i < 3; i++) { 4791 const struct btf_type *t; 4792 const char *fname; 4793 4794 t = btf__type_by_id(btf, finfo->type_id); 4795 if (CHECK(!t, "btf__type_by_id failure: id %u", 4796 finfo->type_id)) { 4797 err = -1; 4798 goto done; 4799 } 4800 4801 fname = btf__name_by_offset(btf, t->name_off); 4802 err = strcmp(fname, expected_fnames[i]); 4803 /* for the second and third functions in .text section, 4804 * the compiler may order them either way. 4805 */ 4806 if (i && err) 4807 err = strcmp(fname, expected_fnames[3 - i]); 4808 if (CHECK(err, "incorrect fname %s", fname ? : "")) { 4809 err = -1; 4810 goto done; 4811 } 4812 4813 finfo = (void *)finfo + rec_size; 4814 } 4815 4816 skip: 4817 fprintf(stderr, "OK"); 4818 4819 done: 4820 libbpf_set_strict_mode(LIBBPF_STRICT_ALL); 4821 4822 btf__free(btf); 4823 free(func_info); 4824 bpf_object__close(obj); 4825 } 4826 4827 const char *pprint_enum_str[] = { 4828 "ENUM_ZERO", 4829 "ENUM_ONE", 4830 "ENUM_TWO", 4831 "ENUM_THREE", 4832 }; 4833 4834 struct pprint_mapv { 4835 uint32_t ui32; 4836 uint16_t ui16; 4837 /* 2 bytes hole */ 4838 int32_t si32; 4839 uint32_t unused_bits2a:2, 4840 bits28:28, 4841 unused_bits2b:2; 4842 union { 4843 uint64_t ui64; 4844 uint8_t ui8a[8]; 4845 }; 4846 enum { 4847 ENUM_ZERO, 4848 ENUM_ONE, 4849 ENUM_TWO, 4850 ENUM_THREE, 4851 } aenum; 4852 uint32_t ui32b; 4853 uint32_t bits2c:2; 4854 uint8_t si8_4[2][2]; 4855 }; 4856 4857 #ifdef __SIZEOF_INT128__ 4858 struct pprint_mapv_int128 { 4859 __int128 si128a; 4860 __int128 si128b; 4861 unsigned __int128 bits3:3; 4862 unsigned __int128 bits80:80; 4863 unsigned __int128 ui128; 4864 }; 4865 #endif 4866 4867 static struct btf_raw_test pprint_test_template[] = { 4868 { 4869 .raw_types = { 4870 /* unsighed char */ /* [1] */ 4871 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 4872 /* unsigned short */ /* [2] */ 4873 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 4874 /* unsigned int */ /* [3] */ 4875 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 4876 /* int */ /* [4] */ 4877 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 4878 /* unsigned long long */ /* [5] */ 4879 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 4880 /* 2 bits */ /* [6] */ 4881 BTF_TYPE_INT_ENC(0, 0, 0, 2, 2), 4882 /* 28 bits */ /* [7] */ 4883 BTF_TYPE_INT_ENC(0, 0, 0, 28, 4), 4884 /* uint8_t[8] */ /* [8] */ 4885 BTF_TYPE_ARRAY_ENC(9, 1, 8), 4886 /* typedef unsigned char uint8_t */ /* [9] */ 4887 BTF_TYPEDEF_ENC(NAME_TBD, 1), 4888 /* typedef unsigned short uint16_t */ /* [10] */ 4889 BTF_TYPEDEF_ENC(NAME_TBD, 2), 4890 /* typedef unsigned int uint32_t */ /* [11] */ 4891 BTF_TYPEDEF_ENC(NAME_TBD, 3), 4892 /* typedef int int32_t */ /* [12] */ 4893 BTF_TYPEDEF_ENC(NAME_TBD, 4), 4894 /* typedef unsigned long long uint64_t *//* [13] */ 4895 BTF_TYPEDEF_ENC(NAME_TBD, 5), 4896 /* union (anon) */ /* [14] */ 4897 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 4898 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 4899 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 4900 /* enum (anon) */ /* [15] */ 4901 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 4902 BTF_ENUM_ENC(NAME_TBD, 0), 4903 BTF_ENUM_ENC(NAME_TBD, 1), 4904 BTF_ENUM_ENC(NAME_TBD, 2), 4905 BTF_ENUM_ENC(NAME_TBD, 3), 4906 /* struct pprint_mapv */ /* [16] */ 4907 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 0, 11), 40), 4908 BTF_MEMBER_ENC(NAME_TBD, 11, 0), /* uint32_t ui32 */ 4909 BTF_MEMBER_ENC(NAME_TBD, 10, 32), /* uint16_t ui16 */ 4910 BTF_MEMBER_ENC(NAME_TBD, 12, 64), /* int32_t si32 */ 4911 BTF_MEMBER_ENC(NAME_TBD, 6, 96), /* unused_bits2a */ 4912 BTF_MEMBER_ENC(NAME_TBD, 7, 98), /* bits28 */ 4913 BTF_MEMBER_ENC(NAME_TBD, 6, 126), /* unused_bits2b */ 4914 BTF_MEMBER_ENC(0, 14, 128), /* union (anon) */ 4915 BTF_MEMBER_ENC(NAME_TBD, 15, 192), /* aenum */ 4916 BTF_MEMBER_ENC(NAME_TBD, 11, 224), /* uint32_t ui32b */ 4917 BTF_MEMBER_ENC(NAME_TBD, 6, 256), /* bits2c */ 4918 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */ 4919 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */ 4920 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */ 4921 BTF_END_RAW, 4922 }, 4923 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"), 4924 .key_size = sizeof(unsigned int), 4925 .value_size = sizeof(struct pprint_mapv), 4926 .key_type_id = 3, /* unsigned int */ 4927 .value_type_id = 16, /* struct pprint_mapv */ 4928 .max_entries = 128, 4929 }, 4930 4931 { 4932 /* this type will have the same type as the 4933 * first .raw_types definition, but struct type will 4934 * be encoded with kind_flag set. 4935 */ 4936 .raw_types = { 4937 /* unsighed char */ /* [1] */ 4938 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 4939 /* unsigned short */ /* [2] */ 4940 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 4941 /* unsigned int */ /* [3] */ 4942 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 4943 /* int */ /* [4] */ 4944 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 4945 /* unsigned long long */ /* [5] */ 4946 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 4947 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */ 4948 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */ 4949 /* uint8_t[8] */ /* [8] */ 4950 BTF_TYPE_ARRAY_ENC(9, 1, 8), 4951 /* typedef unsigned char uint8_t */ /* [9] */ 4952 BTF_TYPEDEF_ENC(NAME_TBD, 1), 4953 /* typedef unsigned short uint16_t */ /* [10] */ 4954 BTF_TYPEDEF_ENC(NAME_TBD, 2), 4955 /* typedef unsigned int uint32_t */ /* [11] */ 4956 BTF_TYPEDEF_ENC(NAME_TBD, 3), 4957 /* typedef int int32_t */ /* [12] */ 4958 BTF_TYPEDEF_ENC(NAME_TBD, 4), 4959 /* typedef unsigned long long uint64_t *//* [13] */ 4960 BTF_TYPEDEF_ENC(NAME_TBD, 5), 4961 /* union (anon) */ /* [14] */ 4962 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 4963 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 4964 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 4965 /* enum (anon) */ /* [15] */ 4966 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 4967 BTF_ENUM_ENC(NAME_TBD, 0), 4968 BTF_ENUM_ENC(NAME_TBD, 1), 4969 BTF_ENUM_ENC(NAME_TBD, 2), 4970 BTF_ENUM_ENC(NAME_TBD, 3), 4971 /* struct pprint_mapv */ /* [16] */ 4972 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40), 4973 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */ 4974 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */ 4975 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */ 4976 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */ 4977 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */ 4978 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 126)), /* unused_bits2b */ 4979 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */ 4980 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */ 4981 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */ 4982 BTF_MEMBER_ENC(NAME_TBD, 6, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */ 4983 BTF_MEMBER_ENC(NAME_TBD, 17, 264), /* si8_4 */ 4984 BTF_TYPE_ARRAY_ENC(18, 1, 2), /* [17] */ 4985 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [18] */ 4986 BTF_END_RAW, 4987 }, 4988 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"), 4989 .key_size = sizeof(unsigned int), 4990 .value_size = sizeof(struct pprint_mapv), 4991 .key_type_id = 3, /* unsigned int */ 4992 .value_type_id = 16, /* struct pprint_mapv */ 4993 .max_entries = 128, 4994 }, 4995 4996 { 4997 /* this type will have the same layout as the 4998 * first .raw_types definition. The struct type will 4999 * be encoded with kind_flag set, bitfield members 5000 * are added typedef/const/volatile, and bitfield members 5001 * will have both int and enum types. 5002 */ 5003 .raw_types = { 5004 /* unsighed char */ /* [1] */ 5005 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), 5006 /* unsigned short */ /* [2] */ 5007 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), 5008 /* unsigned int */ /* [3] */ 5009 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 5010 /* int */ /* [4] */ 5011 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), 5012 /* unsigned long long */ /* [5] */ 5013 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), 5014 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [6] */ 5015 BTF_TYPE_INT_ENC(0, 0, 0, 32, 4), /* [7] */ 5016 /* uint8_t[8] */ /* [8] */ 5017 BTF_TYPE_ARRAY_ENC(9, 1, 8), 5018 /* typedef unsigned char uint8_t */ /* [9] */ 5019 BTF_TYPEDEF_ENC(NAME_TBD, 1), 5020 /* typedef unsigned short uint16_t */ /* [10] */ 5021 BTF_TYPEDEF_ENC(NAME_TBD, 2), 5022 /* typedef unsigned int uint32_t */ /* [11] */ 5023 BTF_TYPEDEF_ENC(NAME_TBD, 3), 5024 /* typedef int int32_t */ /* [12] */ 5025 BTF_TYPEDEF_ENC(NAME_TBD, 4), 5026 /* typedef unsigned long long uint64_t *//* [13] */ 5027 BTF_TYPEDEF_ENC(NAME_TBD, 5), 5028 /* union (anon) */ /* [14] */ 5029 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_UNION, 0, 2), 8), 5030 BTF_MEMBER_ENC(NAME_TBD, 13, 0),/* uint64_t ui64; */ 5031 BTF_MEMBER_ENC(NAME_TBD, 8, 0), /* uint8_t ui8a[8]; */ 5032 /* enum (anon) */ /* [15] */ 5033 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 4), 4), 5034 BTF_ENUM_ENC(NAME_TBD, 0), 5035 BTF_ENUM_ENC(NAME_TBD, 1), 5036 BTF_ENUM_ENC(NAME_TBD, 2), 5037 BTF_ENUM_ENC(NAME_TBD, 3), 5038 /* struct pprint_mapv */ /* [16] */ 5039 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 11), 40), 5040 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 0)), /* uint32_t ui32 */ 5041 BTF_MEMBER_ENC(NAME_TBD, 10, BTF_MEMBER_OFFSET(0, 32)), /* uint16_t ui16 */ 5042 BTF_MEMBER_ENC(NAME_TBD, 12, BTF_MEMBER_OFFSET(0, 64)), /* int32_t si32 */ 5043 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 96)), /* unused_bits2a */ 5044 BTF_MEMBER_ENC(NAME_TBD, 7, BTF_MEMBER_OFFSET(28, 98)), /* bits28 */ 5045 BTF_MEMBER_ENC(NAME_TBD, 19, BTF_MEMBER_OFFSET(2, 126)),/* unused_bits2b */ 5046 BTF_MEMBER_ENC(0, 14, BTF_MEMBER_OFFSET(0, 128)), /* union (anon) */ 5047 BTF_MEMBER_ENC(NAME_TBD, 15, BTF_MEMBER_OFFSET(0, 192)), /* aenum */ 5048 BTF_MEMBER_ENC(NAME_TBD, 11, BTF_MEMBER_OFFSET(0, 224)), /* uint32_t ui32b */ 5049 BTF_MEMBER_ENC(NAME_TBD, 17, BTF_MEMBER_OFFSET(2, 256)), /* bits2c */ 5050 BTF_MEMBER_ENC(NAME_TBD, 20, BTF_MEMBER_OFFSET(0, 264)), /* si8_4 */ 5051 /* typedef unsigned int ___int */ /* [17] */ 5052 BTF_TYPEDEF_ENC(NAME_TBD, 18), 5053 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_VOLATILE, 0, 0), 6), /* [18] */ 5054 BTF_TYPE_ENC(0, BTF_INFO_ENC(BTF_KIND_CONST, 0, 0), 15), /* [19] */ 5055 BTF_TYPE_ARRAY_ENC(21, 1, 2), /* [20] */ 5056 BTF_TYPE_ARRAY_ENC(1, 1, 2), /* [21] */ 5057 BTF_END_RAW, 5058 }, 5059 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"), 5060 .key_size = sizeof(unsigned int), 5061 .value_size = sizeof(struct pprint_mapv), 5062 .key_type_id = 3, /* unsigned int */ 5063 .value_type_id = 16, /* struct pprint_mapv */ 5064 .max_entries = 128, 5065 }, 5066 5067 #ifdef __SIZEOF_INT128__ 5068 { 5069 /* test int128 */ 5070 .raw_types = { 5071 /* unsigned int */ /* [1] */ 5072 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), 5073 /* __int128 */ /* [2] */ 5074 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 128, 16), 5075 /* unsigned __int128 */ /* [3] */ 5076 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 128, 16), 5077 /* struct pprint_mapv_int128 */ /* [4] */ 5078 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 5), 64), 5079 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 0)), /* si128a */ 5080 BTF_MEMBER_ENC(NAME_TBD, 2, BTF_MEMBER_OFFSET(0, 128)), /* si128b */ 5081 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(3, 256)), /* bits3 */ 5082 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(80, 259)), /* bits80 */ 5083 BTF_MEMBER_ENC(NAME_TBD, 3, BTF_MEMBER_OFFSET(0, 384)), /* ui128 */ 5084 BTF_END_RAW, 5085 }, 5086 BTF_STR_SEC("\0unsigned int\0__int128\0unsigned __int128\0pprint_mapv_int128\0si128a\0si128b\0bits3\0bits80\0ui128"), 5087 .key_size = sizeof(unsigned int), 5088 .value_size = sizeof(struct pprint_mapv_int128), 5089 .key_type_id = 1, 5090 .value_type_id = 4, 5091 .max_entries = 128, 5092 .mapv_kind = PPRINT_MAPV_KIND_INT128, 5093 }, 5094 #endif 5095 5096 }; 5097 5098 static struct btf_pprint_test_meta { 5099 const char *descr; 5100 enum bpf_map_type map_type; 5101 const char *map_name; 5102 bool ordered_map; 5103 bool lossless_map; 5104 bool percpu_map; 5105 } pprint_tests_meta[] = { 5106 { 5107 .descr = "BTF pretty print array", 5108 .map_type = BPF_MAP_TYPE_ARRAY, 5109 .map_name = "pprint_test_array", 5110 .ordered_map = true, 5111 .lossless_map = true, 5112 .percpu_map = false, 5113 }, 5114 5115 { 5116 .descr = "BTF pretty print hash", 5117 .map_type = BPF_MAP_TYPE_HASH, 5118 .map_name = "pprint_test_hash", 5119 .ordered_map = false, 5120 .lossless_map = true, 5121 .percpu_map = false, 5122 }, 5123 5124 { 5125 .descr = "BTF pretty print lru hash", 5126 .map_type = BPF_MAP_TYPE_LRU_HASH, 5127 .map_name = "pprint_test_lru_hash", 5128 .ordered_map = false, 5129 .lossless_map = false, 5130 .percpu_map = false, 5131 }, 5132 5133 { 5134 .descr = "BTF pretty print percpu array", 5135 .map_type = BPF_MAP_TYPE_PERCPU_ARRAY, 5136 .map_name = "pprint_test_percpu_array", 5137 .ordered_map = true, 5138 .lossless_map = true, 5139 .percpu_map = true, 5140 }, 5141 5142 { 5143 .descr = "BTF pretty print percpu hash", 5144 .map_type = BPF_MAP_TYPE_PERCPU_HASH, 5145 .map_name = "pprint_test_percpu_hash", 5146 .ordered_map = false, 5147 .lossless_map = true, 5148 .percpu_map = true, 5149 }, 5150 5151 { 5152 .descr = "BTF pretty print lru percpu hash", 5153 .map_type = BPF_MAP_TYPE_LRU_PERCPU_HASH, 5154 .map_name = "pprint_test_lru_percpu_hash", 5155 .ordered_map = false, 5156 .lossless_map = false, 5157 .percpu_map = true, 5158 }, 5159 5160 }; 5161 5162 static size_t get_pprint_mapv_size(enum pprint_mapv_kind_t mapv_kind) 5163 { 5164 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) 5165 return sizeof(struct pprint_mapv); 5166 5167 #ifdef __SIZEOF_INT128__ 5168 if (mapv_kind == PPRINT_MAPV_KIND_INT128) 5169 return sizeof(struct pprint_mapv_int128); 5170 #endif 5171 5172 assert(0); 5173 } 5174 5175 static void set_pprint_mapv(enum pprint_mapv_kind_t mapv_kind, 5176 void *mapv, uint32_t i, 5177 int num_cpus, int rounded_value_size) 5178 { 5179 int cpu; 5180 5181 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) { 5182 struct pprint_mapv *v = mapv; 5183 5184 for (cpu = 0; cpu < num_cpus; cpu++) { 5185 v->ui32 = i + cpu; 5186 v->si32 = -i; 5187 v->unused_bits2a = 3; 5188 v->bits28 = i; 5189 v->unused_bits2b = 3; 5190 v->ui64 = i; 5191 v->aenum = i & 0x03; 5192 v->ui32b = 4; 5193 v->bits2c = 1; 5194 v->si8_4[0][0] = (cpu + i) & 0xff; 5195 v->si8_4[0][1] = (cpu + i + 1) & 0xff; 5196 v->si8_4[1][0] = (cpu + i + 2) & 0xff; 5197 v->si8_4[1][1] = (cpu + i + 3) & 0xff; 5198 v = (void *)v + rounded_value_size; 5199 } 5200 } 5201 5202 #ifdef __SIZEOF_INT128__ 5203 if (mapv_kind == PPRINT_MAPV_KIND_INT128) { 5204 struct pprint_mapv_int128 *v = mapv; 5205 5206 for (cpu = 0; cpu < num_cpus; cpu++) { 5207 v->si128a = i; 5208 v->si128b = -i; 5209 v->bits3 = i & 0x07; 5210 v->bits80 = (((unsigned __int128)1) << 64) + i; 5211 v->ui128 = (((unsigned __int128)2) << 64) + i; 5212 v = (void *)v + rounded_value_size; 5213 } 5214 } 5215 #endif 5216 } 5217 5218 ssize_t get_pprint_expected_line(enum pprint_mapv_kind_t mapv_kind, 5219 char *expected_line, ssize_t line_size, 5220 bool percpu_map, unsigned int next_key, 5221 int cpu, void *mapv) 5222 { 5223 ssize_t nexpected_line = -1; 5224 5225 if (mapv_kind == PPRINT_MAPV_KIND_BASIC) { 5226 struct pprint_mapv *v = mapv; 5227 5228 nexpected_line = snprintf(expected_line, line_size, 5229 "%s%u: {%u,0,%d,0x%x,0x%x,0x%x," 5230 "{%llu|[%u,%u,%u,%u,%u,%u,%u,%u]},%s," 5231 "%u,0x%x,[[%d,%d],[%d,%d]]}\n", 5232 percpu_map ? "\tcpu" : "", 5233 percpu_map ? cpu : next_key, 5234 v->ui32, v->si32, 5235 v->unused_bits2a, 5236 v->bits28, 5237 v->unused_bits2b, 5238 (__u64)v->ui64, 5239 v->ui8a[0], v->ui8a[1], 5240 v->ui8a[2], v->ui8a[3], 5241 v->ui8a[4], v->ui8a[5], 5242 v->ui8a[6], v->ui8a[7], 5243 pprint_enum_str[v->aenum], 5244 v->ui32b, 5245 v->bits2c, 5246 v->si8_4[0][0], v->si8_4[0][1], 5247 v->si8_4[1][0], v->si8_4[1][1]); 5248 } 5249 5250 #ifdef __SIZEOF_INT128__ 5251 if (mapv_kind == PPRINT_MAPV_KIND_INT128) { 5252 struct pprint_mapv_int128 *v = mapv; 5253 5254 nexpected_line = snprintf(expected_line, line_size, 5255 "%s%u: {0x%lx,0x%lx,0x%lx," 5256 "0x%lx%016lx,0x%lx%016lx}\n", 5257 percpu_map ? "\tcpu" : "", 5258 percpu_map ? cpu : next_key, 5259 (uint64_t)v->si128a, 5260 (uint64_t)v->si128b, 5261 (uint64_t)v->bits3, 5262 (uint64_t)(v->bits80 >> 64), 5263 (uint64_t)v->bits80, 5264 (uint64_t)(v->ui128 >> 64), 5265 (uint64_t)v->ui128); 5266 } 5267 #endif 5268 5269 return nexpected_line; 5270 } 5271 5272 static int check_line(const char *expected_line, int nexpected_line, 5273 int expected_line_len, const char *line) 5274 { 5275 if (CHECK(nexpected_line == expected_line_len, 5276 "expected_line is too long")) 5277 return -1; 5278 5279 if (strcmp(expected_line, line)) { 5280 fprintf(stderr, "unexpected pprint output\n"); 5281 fprintf(stderr, "expected: %s", expected_line); 5282 fprintf(stderr, " read: %s", line); 5283 return -1; 5284 } 5285 5286 return 0; 5287 } 5288 5289 5290 static void do_test_pprint(int test_num) 5291 { 5292 const struct btf_raw_test *test = &pprint_test_template[test_num]; 5293 enum pprint_mapv_kind_t mapv_kind = test->mapv_kind; 5294 LIBBPF_OPTS(bpf_map_create_opts, opts); 5295 bool ordered_map, lossless_map, percpu_map; 5296 int err, ret, num_cpus, rounded_value_size; 5297 unsigned int key, nr_read_elems; 5298 int map_fd = -1, btf_fd = -1; 5299 unsigned int raw_btf_size; 5300 char expected_line[255]; 5301 FILE *pin_file = NULL; 5302 char pin_path[255]; 5303 size_t line_len = 0; 5304 char *line = NULL; 5305 void *mapv = NULL; 5306 uint8_t *raw_btf; 5307 ssize_t nread; 5308 5309 if (!test__start_subtest(test->descr)) 5310 return; 5311 5312 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, 5313 test->str_sec, test->str_sec_size, 5314 &raw_btf_size, NULL); 5315 5316 if (!raw_btf) 5317 return; 5318 5319 *btf_log_buf = '\0'; 5320 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 5321 free(raw_btf); 5322 5323 if (CHECK(btf_fd < 0, "errno:%d\n", errno)) { 5324 err = -1; 5325 goto done; 5326 } 5327 5328 opts.btf_fd = btf_fd; 5329 opts.btf_key_type_id = test->key_type_id; 5330 opts.btf_value_type_id = test->value_type_id; 5331 map_fd = bpf_map_create(test->map_type, test->map_name, 5332 test->key_size, test->value_size, test->max_entries, &opts); 5333 if (CHECK(map_fd < 0, "errno:%d", errno)) { 5334 err = -1; 5335 goto done; 5336 } 5337 5338 ret = snprintf(pin_path, sizeof(pin_path), "%s/%s", 5339 "/sys/fs/bpf", test->map_name); 5340 5341 if (CHECK(ret >= sizeof(pin_path), "pin_path %s/%s is too long", 5342 "/sys/fs/bpf", test->map_name)) { 5343 err = -1; 5344 goto done; 5345 } 5346 5347 err = bpf_obj_pin(map_fd, pin_path); 5348 if (CHECK(err, "bpf_obj_pin(%s): errno:%d.", pin_path, errno)) 5349 goto done; 5350 5351 percpu_map = test->percpu_map; 5352 num_cpus = percpu_map ? bpf_num_possible_cpus() : 1; 5353 rounded_value_size = round_up(get_pprint_mapv_size(mapv_kind), 8); 5354 mapv = calloc(num_cpus, rounded_value_size); 5355 if (CHECK(!mapv, "mapv allocation failure")) { 5356 err = -1; 5357 goto done; 5358 } 5359 5360 for (key = 0; key < test->max_entries; key++) { 5361 set_pprint_mapv(mapv_kind, mapv, key, num_cpus, rounded_value_size); 5362 bpf_map_update_elem(map_fd, &key, mapv, 0); 5363 } 5364 5365 pin_file = fopen(pin_path, "r"); 5366 if (CHECK(!pin_file, "fopen(%s): errno:%d", pin_path, errno)) { 5367 err = -1; 5368 goto done; 5369 } 5370 5371 /* Skip lines start with '#' */ 5372 while ((nread = getline(&line, &line_len, pin_file)) > 0 && 5373 *line == '#') 5374 ; 5375 5376 if (CHECK(nread <= 0, "Unexpected EOF")) { 5377 err = -1; 5378 goto done; 5379 } 5380 5381 nr_read_elems = 0; 5382 ordered_map = test->ordered_map; 5383 lossless_map = test->lossless_map; 5384 do { 5385 ssize_t nexpected_line; 5386 unsigned int next_key; 5387 void *cmapv; 5388 int cpu; 5389 5390 next_key = ordered_map ? nr_read_elems : atoi(line); 5391 set_pprint_mapv(mapv_kind, mapv, next_key, num_cpus, rounded_value_size); 5392 cmapv = mapv; 5393 5394 for (cpu = 0; cpu < num_cpus; cpu++) { 5395 if (percpu_map) { 5396 /* for percpu map, the format looks like: 5397 * <key>: { 5398 * cpu0: <value_on_cpu0> 5399 * cpu1: <value_on_cpu1> 5400 * ... 5401 * cpun: <value_on_cpun> 5402 * } 5403 * 5404 * let us verify the line containing the key here. 5405 */ 5406 if (cpu == 0) { 5407 nexpected_line = snprintf(expected_line, 5408 sizeof(expected_line), 5409 "%u: {\n", 5410 next_key); 5411 5412 err = check_line(expected_line, nexpected_line, 5413 sizeof(expected_line), line); 5414 if (err < 0) 5415 goto done; 5416 } 5417 5418 /* read value@cpu */ 5419 nread = getline(&line, &line_len, pin_file); 5420 if (nread < 0) 5421 break; 5422 } 5423 5424 nexpected_line = get_pprint_expected_line(mapv_kind, expected_line, 5425 sizeof(expected_line), 5426 percpu_map, next_key, 5427 cpu, cmapv); 5428 err = check_line(expected_line, nexpected_line, 5429 sizeof(expected_line), line); 5430 if (err < 0) 5431 goto done; 5432 5433 cmapv = cmapv + rounded_value_size; 5434 } 5435 5436 if (percpu_map) { 5437 /* skip the last bracket for the percpu map */ 5438 nread = getline(&line, &line_len, pin_file); 5439 if (nread < 0) 5440 break; 5441 } 5442 5443 nread = getline(&line, &line_len, pin_file); 5444 } while (++nr_read_elems < test->max_entries && nread > 0); 5445 5446 if (lossless_map && 5447 CHECK(nr_read_elems < test->max_entries, 5448 "Unexpected EOF. nr_read_elems:%u test->max_entries:%u", 5449 nr_read_elems, test->max_entries)) { 5450 err = -1; 5451 goto done; 5452 } 5453 5454 if (CHECK(nread > 0, "Unexpected extra pprint output: %s", line)) { 5455 err = -1; 5456 goto done; 5457 } 5458 5459 err = 0; 5460 5461 done: 5462 if (mapv) 5463 free(mapv); 5464 if (!err) 5465 fprintf(stderr, "OK"); 5466 if (*btf_log_buf && (err || always_log)) 5467 fprintf(stderr, "\n%s", btf_log_buf); 5468 if (btf_fd >= 0) 5469 close(btf_fd); 5470 if (map_fd >= 0) 5471 close(map_fd); 5472 if (pin_file) 5473 fclose(pin_file); 5474 unlink(pin_path); 5475 free(line); 5476 } 5477 5478 static void test_pprint(void) 5479 { 5480 unsigned int i; 5481 5482 /* test various maps with the first test template */ 5483 for (i = 0; i < ARRAY_SIZE(pprint_tests_meta); i++) { 5484 pprint_test_template[0].descr = pprint_tests_meta[i].descr; 5485 pprint_test_template[0].map_type = pprint_tests_meta[i].map_type; 5486 pprint_test_template[0].map_name = pprint_tests_meta[i].map_name; 5487 pprint_test_template[0].ordered_map = pprint_tests_meta[i].ordered_map; 5488 pprint_test_template[0].lossless_map = pprint_tests_meta[i].lossless_map; 5489 pprint_test_template[0].percpu_map = pprint_tests_meta[i].percpu_map; 5490 5491 do_test_pprint(0); 5492 } 5493 5494 /* test rest test templates with the first map */ 5495 for (i = 1; i < ARRAY_SIZE(pprint_test_template); i++) { 5496 pprint_test_template[i].descr = pprint_tests_meta[0].descr; 5497 pprint_test_template[i].map_type = pprint_tests_meta[0].map_type; 5498 pprint_test_template[i].map_name = pprint_tests_meta[0].map_name; 5499 pprint_test_template[i].ordered_map = pprint_tests_meta[0].ordered_map; 5500 pprint_test_template[i].lossless_map = pprint_tests_meta[0].lossless_map; 5501 pprint_test_template[i].percpu_map = pprint_tests_meta[0].percpu_map; 5502 do_test_pprint(i); 5503 } 5504 } 5505 5506 #define BPF_LINE_INFO_ENC(insn_off, file_off, line_off, line_num, line_col) \ 5507 (insn_off), (file_off), (line_off), ((line_num) << 10 | ((line_col) & 0x3ff)) 5508 5509 static struct prog_info_raw_test { 5510 const char *descr; 5511 const char *str_sec; 5512 const char *err_str; 5513 __u32 raw_types[MAX_NR_RAW_U32]; 5514 __u32 str_sec_size; 5515 struct bpf_insn insns[MAX_INSNS]; 5516 __u32 prog_type; 5517 __u32 func_info[MAX_SUBPROGS][2]; 5518 __u32 func_info_rec_size; 5519 __u32 func_info_cnt; 5520 __u32 line_info[MAX_NR_RAW_U32]; 5521 __u32 line_info_rec_size; 5522 __u32 nr_jited_ksyms; 5523 bool expected_prog_load_failure; 5524 __u32 dead_code_cnt; 5525 __u32 dead_code_mask; 5526 __u32 dead_func_cnt; 5527 __u32 dead_func_mask; 5528 } info_raw_tests[] = { 5529 { 5530 .descr = "func_type (main func + one sub)", 5531 .raw_types = { 5532 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5533 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5534 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5535 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5536 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5537 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5538 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5539 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5540 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5541 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5542 BTF_END_RAW, 5543 }, 5544 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5545 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5546 .insns = { 5547 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5548 BPF_MOV64_IMM(BPF_REG_0, 1), 5549 BPF_EXIT_INSN(), 5550 BPF_MOV64_IMM(BPF_REG_0, 2), 5551 BPF_EXIT_INSN(), 5552 }, 5553 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5554 .func_info = { {0, 5}, {3, 6} }, 5555 .func_info_rec_size = 8, 5556 .func_info_cnt = 2, 5557 .line_info = { BTF_END_RAW }, 5558 }, 5559 5560 { 5561 .descr = "func_type (Incorrect func_info_rec_size)", 5562 .raw_types = { 5563 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5564 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5565 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5566 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5567 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5568 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5569 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5570 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5571 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5572 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5573 BTF_END_RAW, 5574 }, 5575 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5576 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5577 .insns = { 5578 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5579 BPF_MOV64_IMM(BPF_REG_0, 1), 5580 BPF_EXIT_INSN(), 5581 BPF_MOV64_IMM(BPF_REG_0, 2), 5582 BPF_EXIT_INSN(), 5583 }, 5584 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5585 .func_info = { {0, 5}, {3, 6} }, 5586 .func_info_rec_size = 4, 5587 .func_info_cnt = 2, 5588 .line_info = { BTF_END_RAW }, 5589 .expected_prog_load_failure = true, 5590 }, 5591 5592 { 5593 .descr = "func_type (Incorrect func_info_cnt)", 5594 .raw_types = { 5595 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5596 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5597 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5598 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5599 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5600 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5601 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5602 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5603 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5604 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5605 BTF_END_RAW, 5606 }, 5607 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5608 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5609 .insns = { 5610 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5611 BPF_MOV64_IMM(BPF_REG_0, 1), 5612 BPF_EXIT_INSN(), 5613 BPF_MOV64_IMM(BPF_REG_0, 2), 5614 BPF_EXIT_INSN(), 5615 }, 5616 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5617 .func_info = { {0, 5}, {3, 6} }, 5618 .func_info_rec_size = 8, 5619 .func_info_cnt = 1, 5620 .line_info = { BTF_END_RAW }, 5621 .expected_prog_load_failure = true, 5622 }, 5623 5624 { 5625 .descr = "func_type (Incorrect bpf_func_info.insn_off)", 5626 .raw_types = { 5627 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5628 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 32, 4), /* [2] */ 5629 BTF_FUNC_PROTO_ENC(1, 2), /* [3] */ 5630 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5631 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5632 BTF_FUNC_PROTO_ENC(1, 2), /* [4] */ 5633 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 2), 5634 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5635 BTF_FUNC_ENC(NAME_TBD, 3), /* [5] */ 5636 BTF_FUNC_ENC(NAME_TBD, 4), /* [6] */ 5637 BTF_END_RAW, 5638 }, 5639 .str_sec = "\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB", 5640 .str_sec_size = sizeof("\0int\0unsigned int\0a\0b\0c\0d\0funcA\0funcB"), 5641 .insns = { 5642 BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 1, 0, 2), 5643 BPF_MOV64_IMM(BPF_REG_0, 1), 5644 BPF_EXIT_INSN(), 5645 BPF_MOV64_IMM(BPF_REG_0, 2), 5646 BPF_EXIT_INSN(), 5647 }, 5648 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5649 .func_info = { {0, 5}, {2, 6} }, 5650 .func_info_rec_size = 8, 5651 .func_info_cnt = 2, 5652 .line_info = { BTF_END_RAW }, 5653 .expected_prog_load_failure = true, 5654 }, 5655 5656 { 5657 .descr = "line_info (No subprog)", 5658 .raw_types = { 5659 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5660 BTF_END_RAW, 5661 }, 5662 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5663 .insns = { 5664 BPF_MOV64_IMM(BPF_REG_0, 1), 5665 BPF_MOV64_IMM(BPF_REG_1, 2), 5666 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5667 BPF_EXIT_INSN(), 5668 }, 5669 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5670 .func_info_cnt = 0, 5671 .line_info = { 5672 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5673 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 5674 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5675 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 5676 BTF_END_RAW, 5677 }, 5678 .line_info_rec_size = sizeof(struct bpf_line_info), 5679 .nr_jited_ksyms = 1, 5680 }, 5681 5682 { 5683 .descr = "line_info (No subprog. insn_off >= prog->len)", 5684 .raw_types = { 5685 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5686 BTF_END_RAW, 5687 }, 5688 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5689 .insns = { 5690 BPF_MOV64_IMM(BPF_REG_0, 1), 5691 BPF_MOV64_IMM(BPF_REG_1, 2), 5692 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5693 BPF_EXIT_INSN(), 5694 }, 5695 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5696 .func_info_cnt = 0, 5697 .line_info = { 5698 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5699 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 5700 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5701 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 5702 BPF_LINE_INFO_ENC(4, 0, 0, 5, 6), 5703 BTF_END_RAW, 5704 }, 5705 .line_info_rec_size = sizeof(struct bpf_line_info), 5706 .nr_jited_ksyms = 1, 5707 .err_str = "line_info[4].insn_off", 5708 .expected_prog_load_failure = true, 5709 }, 5710 5711 { 5712 .descr = "line_info (Zero bpf insn code)", 5713 .raw_types = { 5714 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5715 BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 64, 8), /* [2] */ 5716 BTF_TYPEDEF_ENC(NAME_TBD, 2), /* [3] */ 5717 BTF_END_RAW, 5718 }, 5719 BTF_STR_SEC("\0int\0unsigned long\0u64\0u64 a=1;\0return a;"), 5720 .insns = { 5721 BPF_LD_IMM64(BPF_REG_0, 1), 5722 BPF_EXIT_INSN(), 5723 }, 5724 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5725 .func_info_cnt = 0, 5726 .line_info = { 5727 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5728 BPF_LINE_INFO_ENC(1, 0, 0, 2, 9), 5729 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5730 BTF_END_RAW, 5731 }, 5732 .line_info_rec_size = sizeof(struct bpf_line_info), 5733 .nr_jited_ksyms = 1, 5734 .err_str = "Invalid insn code at line_info[1]", 5735 .expected_prog_load_failure = true, 5736 }, 5737 5738 { 5739 .descr = "line_info (No subprog. zero tailing line_info", 5740 .raw_types = { 5741 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5742 BTF_END_RAW, 5743 }, 5744 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5745 .insns = { 5746 BPF_MOV64_IMM(BPF_REG_0, 1), 5747 BPF_MOV64_IMM(BPF_REG_1, 2), 5748 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5749 BPF_EXIT_INSN(), 5750 }, 5751 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5752 .func_info_cnt = 0, 5753 .line_info = { 5754 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0, 5755 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0, 5756 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0, 5757 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 0, 5758 BTF_END_RAW, 5759 }, 5760 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32), 5761 .nr_jited_ksyms = 1, 5762 }, 5763 5764 { 5765 .descr = "line_info (No subprog. nonzero tailing line_info)", 5766 .raw_types = { 5767 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5768 BTF_END_RAW, 5769 }, 5770 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5771 .insns = { 5772 BPF_MOV64_IMM(BPF_REG_0, 1), 5773 BPF_MOV64_IMM(BPF_REG_1, 2), 5774 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5775 BPF_EXIT_INSN(), 5776 }, 5777 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5778 .func_info_cnt = 0, 5779 .line_info = { 5780 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 0, 5781 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 0, 5782 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 0, 5783 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 1, 5784 BTF_END_RAW, 5785 }, 5786 .line_info_rec_size = sizeof(struct bpf_line_info) + sizeof(__u32), 5787 .nr_jited_ksyms = 1, 5788 .err_str = "nonzero tailing record in line_info", 5789 .expected_prog_load_failure = true, 5790 }, 5791 5792 { 5793 .descr = "line_info (subprog)", 5794 .raw_types = { 5795 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5796 BTF_END_RAW, 5797 }, 5798 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5799 .insns = { 5800 BPF_MOV64_IMM(BPF_REG_2, 1), 5801 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5802 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5803 BPF_CALL_REL(1), 5804 BPF_EXIT_INSN(), 5805 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5806 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5807 BPF_EXIT_INSN(), 5808 }, 5809 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5810 .func_info_cnt = 0, 5811 .line_info = { 5812 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5813 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 5814 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 5815 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5816 BTF_END_RAW, 5817 }, 5818 .line_info_rec_size = sizeof(struct bpf_line_info), 5819 .nr_jited_ksyms = 2, 5820 }, 5821 5822 { 5823 .descr = "line_info (subprog + func_info)", 5824 .raw_types = { 5825 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5826 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 5827 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 5828 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 5829 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 5830 BTF_END_RAW, 5831 }, 5832 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5833 .insns = { 5834 BPF_MOV64_IMM(BPF_REG_2, 1), 5835 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5836 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5837 BPF_CALL_REL(1), 5838 BPF_EXIT_INSN(), 5839 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5840 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5841 BPF_EXIT_INSN(), 5842 }, 5843 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5844 .func_info_cnt = 2, 5845 .func_info_rec_size = 8, 5846 .func_info = { {0, 4}, {5, 3} }, 5847 .line_info = { 5848 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5849 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 5850 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 5851 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5852 BTF_END_RAW, 5853 }, 5854 .line_info_rec_size = sizeof(struct bpf_line_info), 5855 .nr_jited_ksyms = 2, 5856 }, 5857 5858 { 5859 .descr = "line_info (subprog. missing 1st func line info)", 5860 .raw_types = { 5861 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5862 BTF_END_RAW, 5863 }, 5864 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5865 .insns = { 5866 BPF_MOV64_IMM(BPF_REG_2, 1), 5867 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5868 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5869 BPF_CALL_REL(1), 5870 BPF_EXIT_INSN(), 5871 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5872 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5873 BPF_EXIT_INSN(), 5874 }, 5875 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5876 .func_info_cnt = 0, 5877 .line_info = { 5878 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 1, 10), 5879 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 5880 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 3, 8), 5881 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5882 BTF_END_RAW, 5883 }, 5884 .line_info_rec_size = sizeof(struct bpf_line_info), 5885 .nr_jited_ksyms = 2, 5886 .err_str = "missing bpf_line_info for func#0", 5887 .expected_prog_load_failure = true, 5888 }, 5889 5890 { 5891 .descr = "line_info (subprog. missing 2nd func line info)", 5892 .raw_types = { 5893 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5894 BTF_END_RAW, 5895 }, 5896 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5897 .insns = { 5898 BPF_MOV64_IMM(BPF_REG_2, 1), 5899 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5900 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5901 BPF_CALL_REL(1), 5902 BPF_EXIT_INSN(), 5903 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5904 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5905 BPF_EXIT_INSN(), 5906 }, 5907 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5908 .func_info_cnt = 0, 5909 .line_info = { 5910 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5911 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 2, 9), 5912 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 3, 8), 5913 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5914 BTF_END_RAW, 5915 }, 5916 .line_info_rec_size = sizeof(struct bpf_line_info), 5917 .nr_jited_ksyms = 2, 5918 .err_str = "missing bpf_line_info for func#1", 5919 .expected_prog_load_failure = true, 5920 }, 5921 5922 { 5923 .descr = "line_info (subprog. unordered insn offset)", 5924 .raw_types = { 5925 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5926 BTF_END_RAW, 5927 }, 5928 BTF_STR_SEC("\0int\0int a=1+1;\0return func(a);\0b+=1;\0return b;"), 5929 .insns = { 5930 BPF_MOV64_IMM(BPF_REG_2, 1), 5931 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 5932 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 5933 BPF_CALL_REL(1), 5934 BPF_EXIT_INSN(), 5935 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 5936 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 5937 BPF_EXIT_INSN(), 5938 }, 5939 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5940 .func_info_cnt = 0, 5941 .line_info = { 5942 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5943 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 2, 9), 5944 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5945 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 4, 7), 5946 BTF_END_RAW, 5947 }, 5948 .line_info_rec_size = sizeof(struct bpf_line_info), 5949 .nr_jited_ksyms = 2, 5950 .err_str = "Invalid line_info[2].insn_off", 5951 .expected_prog_load_failure = true, 5952 }, 5953 5954 { 5955 .descr = "line_info (dead start)", 5956 .raw_types = { 5957 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5958 BTF_END_RAW, 5959 }, 5960 BTF_STR_SEC("\0int\0/* dead jmp */\0int a=1;\0int b=2;\0return a + b;\0return a + b;"), 5961 .insns = { 5962 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 5963 BPF_MOV64_IMM(BPF_REG_0, 1), 5964 BPF_MOV64_IMM(BPF_REG_1, 2), 5965 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5966 BPF_EXIT_INSN(), 5967 }, 5968 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 5969 .func_info_cnt = 0, 5970 .line_info = { 5971 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 5972 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 9), 5973 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 8), 5974 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 7), 5975 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 6), 5976 BTF_END_RAW, 5977 }, 5978 .line_info_rec_size = sizeof(struct bpf_line_info), 5979 .nr_jited_ksyms = 1, 5980 .dead_code_cnt = 1, 5981 .dead_code_mask = 0x01, 5982 }, 5983 5984 { 5985 .descr = "line_info (dead end)", 5986 .raw_types = { 5987 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 5988 BTF_END_RAW, 5989 }, 5990 BTF_STR_SEC("\0int\0int a=1;\0int b=2;\0return a + b;\0/* dead jmp */\0return a + b;\0/* dead exit */"), 5991 .insns = { 5992 BPF_MOV64_IMM(BPF_REG_0, 1), 5993 BPF_MOV64_IMM(BPF_REG_1, 2), 5994 BPF_ALU64_REG(BPF_ADD, BPF_REG_0, BPF_REG_1), 5995 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 10, 1), 5996 BPF_EXIT_INSN(), 5997 BPF_EXIT_INSN(), 5998 }, 5999 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6000 .func_info_cnt = 0, 6001 .line_info = { 6002 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 12), 6003 BPF_LINE_INFO_ENC(1, 0, NAME_TBD, 2, 11), 6004 BPF_LINE_INFO_ENC(2, 0, NAME_TBD, 3, 10), 6005 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 4, 9), 6006 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 5, 8), 6007 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 6, 7), 6008 BTF_END_RAW, 6009 }, 6010 .line_info_rec_size = sizeof(struct bpf_line_info), 6011 .nr_jited_ksyms = 1, 6012 .dead_code_cnt = 2, 6013 .dead_code_mask = 0x28, 6014 }, 6015 6016 { 6017 .descr = "line_info (dead code + subprog + func_info)", 6018 .raw_types = { 6019 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6020 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6021 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6022 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6023 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6024 BTF_END_RAW, 6025 }, 6026 BTF_STR_SEC("\0int\0x\0sub\0main\0int a=1+1;\0/* dead jmp */" 6027 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 6028 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 6029 "\0return func(a);\0b+=1;\0return b;"), 6030 .insns = { 6031 BPF_MOV64_IMM(BPF_REG_2, 1), 6032 BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, 1), 6033 BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), 6034 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 8), 6035 BPF_MOV64_IMM(BPF_REG_2, 1), 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_CALL_REL(1), 6044 BPF_EXIT_INSN(), 6045 BPF_MOV64_REG(BPF_REG_0, BPF_REG_1), 6046 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6047 BPF_EXIT_INSN(), 6048 }, 6049 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6050 .func_info_cnt = 2, 6051 .func_info_rec_size = 8, 6052 .func_info = { {0, 4}, {14, 3} }, 6053 .line_info = { 6054 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6055 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6056 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6057 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6058 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6059 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6060 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6061 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6062 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 6063 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 6064 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 6065 BPF_LINE_INFO_ENC(14, 0, NAME_TBD, 3, 8), 6066 BPF_LINE_INFO_ENC(16, 0, NAME_TBD, 4, 7), 6067 BTF_END_RAW, 6068 }, 6069 .line_info_rec_size = sizeof(struct bpf_line_info), 6070 .nr_jited_ksyms = 2, 6071 .dead_code_cnt = 9, 6072 .dead_code_mask = 0x3fe, 6073 }, 6074 6075 { 6076 .descr = "line_info (dead subprog)", 6077 .raw_types = { 6078 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6079 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6080 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6081 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6082 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6083 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6084 BTF_END_RAW, 6085 }, 6086 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */" 6087 "\0return 0;\0return 0;\0/* dead */\0/* dead */" 6088 "\0/* dead */\0return bla + 1;\0return bla + 1;" 6089 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"), 6090 .insns = { 6091 BPF_MOV64_IMM(BPF_REG_2, 1), 6092 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6093 BPF_CALL_REL(3), 6094 BPF_CALL_REL(5), 6095 BPF_MOV64_IMM(BPF_REG_0, 0), 6096 BPF_EXIT_INSN(), 6097 BPF_MOV64_IMM(BPF_REG_0, 0), 6098 BPF_CALL_REL(1), 6099 BPF_EXIT_INSN(), 6100 BPF_MOV64_REG(BPF_REG_0, 2), 6101 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6102 BPF_EXIT_INSN(), 6103 }, 6104 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6105 .func_info_cnt = 3, 6106 .func_info_rec_size = 8, 6107 .func_info = { {0, 4}, {6, 3}, {9, 5} }, 6108 .line_info = { 6109 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6110 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6111 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6112 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6113 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6114 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6115 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6116 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6117 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 6118 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 6119 BTF_END_RAW, 6120 }, 6121 .line_info_rec_size = sizeof(struct bpf_line_info), 6122 .nr_jited_ksyms = 2, 6123 .dead_code_cnt = 3, 6124 .dead_code_mask = 0x70, 6125 .dead_func_cnt = 1, 6126 .dead_func_mask = 0x2, 6127 }, 6128 6129 { 6130 .descr = "line_info (dead last subprog)", 6131 .raw_types = { 6132 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6133 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6134 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6135 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6136 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6137 BTF_END_RAW, 6138 }, 6139 BTF_STR_SEC("\0int\0x\0dead\0main\0int a=1+1;\0/* live call */" 6140 "\0return 0;\0/* dead */\0/* dead */"), 6141 .insns = { 6142 BPF_MOV64_IMM(BPF_REG_2, 1), 6143 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6144 BPF_CALL_REL(2), 6145 BPF_MOV64_IMM(BPF_REG_0, 0), 6146 BPF_EXIT_INSN(), 6147 BPF_MOV64_IMM(BPF_REG_0, 0), 6148 BPF_EXIT_INSN(), 6149 }, 6150 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6151 .func_info_cnt = 2, 6152 .func_info_rec_size = 8, 6153 .func_info = { {0, 4}, {5, 3} }, 6154 .line_info = { 6155 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6156 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6157 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6158 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6159 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6160 BTF_END_RAW, 6161 }, 6162 .line_info_rec_size = sizeof(struct bpf_line_info), 6163 .nr_jited_ksyms = 1, 6164 .dead_code_cnt = 2, 6165 .dead_code_mask = 0x18, 6166 .dead_func_cnt = 1, 6167 .dead_func_mask = 0x2, 6168 }, 6169 6170 { 6171 .descr = "line_info (dead subprog + dead start)", 6172 .raw_types = { 6173 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6174 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6175 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6176 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6177 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6178 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6179 BTF_END_RAW, 6180 }, 6181 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* dead */" 6182 "\0return 0;\0return 0;\0return 0;" 6183 "\0/* dead */\0/* dead */\0/* dead */\0/* dead */" 6184 "\0return b + 1;\0return b + 1;\0return b + 1;"), 6185 .insns = { 6186 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6187 BPF_MOV64_IMM(BPF_REG_2, 1), 6188 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6189 BPF_CALL_REL(3), 6190 BPF_CALL_REL(5), 6191 BPF_MOV64_IMM(BPF_REG_0, 0), 6192 BPF_EXIT_INSN(), 6193 BPF_MOV64_IMM(BPF_REG_0, 0), 6194 BPF_CALL_REL(1), 6195 BPF_EXIT_INSN(), 6196 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6197 BPF_MOV64_REG(BPF_REG_0, 2), 6198 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6199 BPF_EXIT_INSN(), 6200 }, 6201 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6202 .func_info_cnt = 3, 6203 .func_info_rec_size = 8, 6204 .func_info = { {0, 4}, {7, 3}, {10, 5} }, 6205 .line_info = { 6206 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6207 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6208 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6209 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6210 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6211 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6212 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6213 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6214 BPF_LINE_INFO_ENC(10, 0, NAME_TBD, 1, 10), 6215 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 2, 9), 6216 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 6217 BPF_LINE_INFO_ENC(13, 0, NAME_TBD, 2, 9), 6218 BTF_END_RAW, 6219 }, 6220 .line_info_rec_size = sizeof(struct bpf_line_info), 6221 .nr_jited_ksyms = 2, 6222 .dead_code_cnt = 5, 6223 .dead_code_mask = 0x1e2, 6224 .dead_func_cnt = 1, 6225 .dead_func_mask = 0x2, 6226 }, 6227 6228 { 6229 .descr = "line_info (dead subprog + dead start w/ move)", 6230 .raw_types = { 6231 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6232 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6233 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6234 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6235 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6236 BTF_FUNC_ENC(NAME_TBD, 2), /* [5] */ 6237 BTF_END_RAW, 6238 }, 6239 BTF_STR_SEC("\0int\0x\0dead\0main\0func\0int a=1+1;\0/* live call */" 6240 "\0return 0;\0return 0;\0/* dead */\0/* dead */" 6241 "\0/* dead */\0return bla + 1;\0return bla + 1;" 6242 "\0return bla + 1;\0return func(a);\0b+=1;\0return b;"), 6243 .insns = { 6244 BPF_MOV64_IMM(BPF_REG_2, 1), 6245 BPF_JMP_IMM(BPF_JGE, BPF_REG_2, 0, 1), 6246 BPF_CALL_REL(3), 6247 BPF_CALL_REL(5), 6248 BPF_MOV64_IMM(BPF_REG_0, 0), 6249 BPF_EXIT_INSN(), 6250 BPF_MOV64_IMM(BPF_REG_0, 0), 6251 BPF_CALL_REL(1), 6252 BPF_EXIT_INSN(), 6253 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6254 BPF_MOV64_REG(BPF_REG_0, 2), 6255 BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 1), 6256 BPF_EXIT_INSN(), 6257 }, 6258 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6259 .func_info_cnt = 3, 6260 .func_info_rec_size = 8, 6261 .func_info = { {0, 4}, {6, 3}, {9, 5} }, 6262 .line_info = { 6263 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6264 BPF_LINE_INFO_ENC(3, 0, NAME_TBD, 1, 10), 6265 BPF_LINE_INFO_ENC(4, 0, NAME_TBD, 1, 10), 6266 BPF_LINE_INFO_ENC(5, 0, NAME_TBD, 1, 10), 6267 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6268 BPF_LINE_INFO_ENC(7, 0, NAME_TBD, 1, 10), 6269 BPF_LINE_INFO_ENC(8, 0, NAME_TBD, 1, 10), 6270 BPF_LINE_INFO_ENC(9, 0, NAME_TBD, 1, 10), 6271 BPF_LINE_INFO_ENC(11, 0, NAME_TBD, 1, 10), 6272 BPF_LINE_INFO_ENC(12, 0, NAME_TBD, 2, 9), 6273 BTF_END_RAW, 6274 }, 6275 .line_info_rec_size = sizeof(struct bpf_line_info), 6276 .nr_jited_ksyms = 2, 6277 .dead_code_cnt = 3, 6278 .dead_code_mask = 0x70, 6279 .dead_func_cnt = 1, 6280 .dead_func_mask = 0x2, 6281 }, 6282 6283 { 6284 .descr = "line_info (dead end + subprog start w/ no linfo)", 6285 .raw_types = { 6286 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6287 BTF_FUNC_PROTO_ENC(1, 1), /* [2] */ 6288 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 6289 BTF_FUNC_ENC(NAME_TBD, 2), /* [3] */ 6290 BTF_FUNC_ENC(NAME_TBD, 2), /* [4] */ 6291 BTF_END_RAW, 6292 }, 6293 BTF_STR_SEC("\0int\0x\0main\0func\0/* main linfo */\0/* func linfo */"), 6294 .insns = { 6295 BPF_MOV64_IMM(BPF_REG_0, 0), 6296 BPF_JMP_IMM(BPF_JGE, BPF_REG_0, 1, 3), 6297 BPF_CALL_REL(3), 6298 BPF_MOV64_IMM(BPF_REG_0, 0), 6299 BPF_EXIT_INSN(), 6300 BPF_EXIT_INSN(), 6301 BPF_JMP_IMM(BPF_JA, 0, 0, 0), 6302 BPF_EXIT_INSN(), 6303 }, 6304 .prog_type = BPF_PROG_TYPE_TRACEPOINT, 6305 .func_info_cnt = 2, 6306 .func_info_rec_size = 8, 6307 .func_info = { {0, 3}, {6, 4}, }, 6308 .line_info = { 6309 BPF_LINE_INFO_ENC(0, 0, NAME_TBD, 1, 10), 6310 BPF_LINE_INFO_ENC(6, 0, NAME_TBD, 1, 10), 6311 BTF_END_RAW, 6312 }, 6313 .line_info_rec_size = sizeof(struct bpf_line_info), 6314 .nr_jited_ksyms = 2, 6315 }, 6316 6317 }; 6318 6319 static size_t probe_prog_length(const struct bpf_insn *fp) 6320 { 6321 size_t len; 6322 6323 for (len = MAX_INSNS - 1; len > 0; --len) 6324 if (fp[len].code != 0 || fp[len].imm != 0) 6325 break; 6326 return len + 1; 6327 } 6328 6329 static __u32 *patch_name_tbd(const __u32 *raw_u32, 6330 const char *str, __u32 str_off, 6331 unsigned int str_sec_size, 6332 unsigned int *ret_size) 6333 { 6334 int i, raw_u32_size = get_raw_sec_size(raw_u32); 6335 const char *end_str = str + str_sec_size; 6336 const char *next_str = str + str_off; 6337 __u32 *new_u32 = NULL; 6338 6339 if (raw_u32_size == -1) 6340 return ERR_PTR(-EINVAL); 6341 6342 if (!raw_u32_size) { 6343 *ret_size = 0; 6344 return NULL; 6345 } 6346 6347 new_u32 = malloc(raw_u32_size); 6348 if (!new_u32) 6349 return ERR_PTR(-ENOMEM); 6350 6351 for (i = 0; i < raw_u32_size / sizeof(raw_u32[0]); i++) { 6352 if (raw_u32[i] == NAME_TBD) { 6353 next_str = get_next_str(next_str, end_str); 6354 if (CHECK(!next_str, "Error in getting next_str\n")) { 6355 free(new_u32); 6356 return ERR_PTR(-EINVAL); 6357 } 6358 new_u32[i] = next_str - str; 6359 next_str += strlen(next_str); 6360 } else { 6361 new_u32[i] = raw_u32[i]; 6362 } 6363 } 6364 6365 *ret_size = raw_u32_size; 6366 return new_u32; 6367 } 6368 6369 static int test_get_finfo(const struct prog_info_raw_test *test, 6370 int prog_fd) 6371 { 6372 struct bpf_prog_info info = {}; 6373 struct bpf_func_info *finfo; 6374 __u32 info_len, rec_size, i; 6375 void *func_info = NULL; 6376 __u32 nr_func_info; 6377 int err; 6378 6379 /* get necessary lens */ 6380 info_len = sizeof(struct bpf_prog_info); 6381 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 6382 if (CHECK(err < 0, "invalid get info (1st) errno:%d", errno)) { 6383 fprintf(stderr, "%s\n", btf_log_buf); 6384 return -1; 6385 } 6386 nr_func_info = test->func_info_cnt - test->dead_func_cnt; 6387 if (CHECK(info.nr_func_info != nr_func_info, 6388 "incorrect info.nr_func_info (1st) %d", 6389 info.nr_func_info)) { 6390 return -1; 6391 } 6392 6393 rec_size = info.func_info_rec_size; 6394 if (CHECK(rec_size != sizeof(struct bpf_func_info), 6395 "incorrect info.func_info_rec_size (1st) %d", rec_size)) { 6396 return -1; 6397 } 6398 6399 if (!info.nr_func_info) 6400 return 0; 6401 6402 func_info = malloc(info.nr_func_info * rec_size); 6403 if (CHECK(!func_info, "out of memory")) 6404 return -1; 6405 6406 /* reset info to only retrieve func_info related data */ 6407 memset(&info, 0, sizeof(info)); 6408 info.nr_func_info = nr_func_info; 6409 info.func_info_rec_size = rec_size; 6410 info.func_info = ptr_to_u64(func_info); 6411 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 6412 if (CHECK(err < 0, "invalid get info (2nd) errno:%d", errno)) { 6413 fprintf(stderr, "%s\n", btf_log_buf); 6414 err = -1; 6415 goto done; 6416 } 6417 if (CHECK(info.nr_func_info != nr_func_info, 6418 "incorrect info.nr_func_info (2nd) %d", 6419 info.nr_func_info)) { 6420 err = -1; 6421 goto done; 6422 } 6423 if (CHECK(info.func_info_rec_size != rec_size, 6424 "incorrect info.func_info_rec_size (2nd) %d", 6425 info.func_info_rec_size)) { 6426 err = -1; 6427 goto done; 6428 } 6429 6430 finfo = func_info; 6431 for (i = 0; i < nr_func_info; i++) { 6432 if (test->dead_func_mask & (1 << i)) 6433 continue; 6434 if (CHECK(finfo->type_id != test->func_info[i][1], 6435 "incorrect func_type %u expected %u", 6436 finfo->type_id, test->func_info[i][1])) { 6437 err = -1; 6438 goto done; 6439 } 6440 finfo = (void *)finfo + rec_size; 6441 } 6442 6443 err = 0; 6444 6445 done: 6446 free(func_info); 6447 return err; 6448 } 6449 6450 static int test_get_linfo(const struct prog_info_raw_test *test, 6451 const void *patched_linfo, 6452 __u32 cnt, int prog_fd) 6453 { 6454 __u32 i, info_len, nr_jited_ksyms, nr_jited_func_lens; 6455 __u64 *jited_linfo = NULL, *jited_ksyms = NULL; 6456 __u32 rec_size, jited_rec_size, jited_cnt; 6457 struct bpf_line_info *linfo = NULL; 6458 __u32 cur_func_len, ksyms_found; 6459 struct bpf_prog_info info = {}; 6460 __u32 *jited_func_lens = NULL; 6461 __u64 cur_func_ksyms; 6462 __u32 dead_insns; 6463 int err; 6464 6465 jited_cnt = cnt; 6466 rec_size = sizeof(*linfo); 6467 jited_rec_size = sizeof(*jited_linfo); 6468 if (test->nr_jited_ksyms) 6469 nr_jited_ksyms = test->nr_jited_ksyms; 6470 else 6471 nr_jited_ksyms = test->func_info_cnt - test->dead_func_cnt; 6472 nr_jited_func_lens = nr_jited_ksyms; 6473 6474 info_len = sizeof(struct bpf_prog_info); 6475 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 6476 if (CHECK(err < 0, "err:%d errno:%d", err, errno)) { 6477 err = -1; 6478 goto done; 6479 } 6480 6481 if (!info.jited_prog_len) { 6482 /* prog is not jited */ 6483 jited_cnt = 0; 6484 nr_jited_ksyms = 1; 6485 nr_jited_func_lens = 1; 6486 } 6487 6488 if (CHECK(info.nr_line_info != cnt || 6489 info.nr_jited_line_info != jited_cnt || 6490 info.nr_jited_ksyms != nr_jited_ksyms || 6491 info.nr_jited_func_lens != nr_jited_func_lens || 6492 (!info.nr_line_info && info.nr_jited_line_info), 6493 "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)", 6494 info.nr_line_info, cnt, 6495 info.nr_jited_line_info, jited_cnt, 6496 info.nr_jited_ksyms, nr_jited_ksyms, 6497 info.nr_jited_func_lens, nr_jited_func_lens)) { 6498 err = -1; 6499 goto done; 6500 } 6501 6502 if (CHECK(info.line_info_rec_size != sizeof(struct bpf_line_info) || 6503 info.jited_line_info_rec_size != sizeof(__u64), 6504 "info: line_info_rec_size:%u(userspace expected:%u) jited_line_info_rec_size:%u(userspace expected:%u)", 6505 info.line_info_rec_size, rec_size, 6506 info.jited_line_info_rec_size, jited_rec_size)) { 6507 err = -1; 6508 goto done; 6509 } 6510 6511 if (!cnt) 6512 return 0; 6513 6514 rec_size = info.line_info_rec_size; 6515 jited_rec_size = info.jited_line_info_rec_size; 6516 6517 memset(&info, 0, sizeof(info)); 6518 6519 linfo = calloc(cnt, rec_size); 6520 if (CHECK(!linfo, "!linfo")) { 6521 err = -1; 6522 goto done; 6523 } 6524 info.nr_line_info = cnt; 6525 info.line_info_rec_size = rec_size; 6526 info.line_info = ptr_to_u64(linfo); 6527 6528 if (jited_cnt) { 6529 jited_linfo = calloc(jited_cnt, jited_rec_size); 6530 jited_ksyms = calloc(nr_jited_ksyms, sizeof(*jited_ksyms)); 6531 jited_func_lens = calloc(nr_jited_func_lens, 6532 sizeof(*jited_func_lens)); 6533 if (CHECK(!jited_linfo || !jited_ksyms || !jited_func_lens, 6534 "jited_linfo:%p jited_ksyms:%p jited_func_lens:%p", 6535 jited_linfo, jited_ksyms, jited_func_lens)) { 6536 err = -1; 6537 goto done; 6538 } 6539 6540 info.nr_jited_line_info = jited_cnt; 6541 info.jited_line_info_rec_size = jited_rec_size; 6542 info.jited_line_info = ptr_to_u64(jited_linfo); 6543 info.nr_jited_ksyms = nr_jited_ksyms; 6544 info.jited_ksyms = ptr_to_u64(jited_ksyms); 6545 info.nr_jited_func_lens = nr_jited_func_lens; 6546 info.jited_func_lens = ptr_to_u64(jited_func_lens); 6547 } 6548 6549 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 6550 6551 /* 6552 * Only recheck the info.*line_info* fields. 6553 * Other fields are not the concern of this test. 6554 */ 6555 if (CHECK(err < 0 || 6556 info.nr_line_info != cnt || 6557 (jited_cnt && !info.jited_line_info) || 6558 info.nr_jited_line_info != jited_cnt || 6559 info.line_info_rec_size != rec_size || 6560 info.jited_line_info_rec_size != jited_rec_size, 6561 "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", 6562 err, errno, 6563 info.nr_line_info, cnt, 6564 info.nr_jited_line_info, jited_cnt, 6565 info.line_info_rec_size, rec_size, 6566 info.jited_line_info_rec_size, jited_rec_size, 6567 (void *)(long)info.line_info, 6568 (void *)(long)info.jited_line_info)) { 6569 err = -1; 6570 goto done; 6571 } 6572 6573 dead_insns = 0; 6574 while (test->dead_code_mask & (1 << dead_insns)) 6575 dead_insns++; 6576 6577 CHECK(linfo[0].insn_off, "linfo[0].insn_off:%u", 6578 linfo[0].insn_off); 6579 for (i = 1; i < cnt; i++) { 6580 const struct bpf_line_info *expected_linfo; 6581 6582 while (test->dead_code_mask & (1 << (i + dead_insns))) 6583 dead_insns++; 6584 6585 expected_linfo = patched_linfo + 6586 ((i + dead_insns) * test->line_info_rec_size); 6587 if (CHECK(linfo[i].insn_off <= linfo[i - 1].insn_off, 6588 "linfo[%u].insn_off:%u <= linfo[%u].insn_off:%u", 6589 i, linfo[i].insn_off, 6590 i - 1, linfo[i - 1].insn_off)) { 6591 err = -1; 6592 goto done; 6593 } 6594 if (CHECK(linfo[i].file_name_off != expected_linfo->file_name_off || 6595 linfo[i].line_off != expected_linfo->line_off || 6596 linfo[i].line_col != expected_linfo->line_col, 6597 "linfo[%u] (%u, %u, %u) != (%u, %u, %u)", i, 6598 linfo[i].file_name_off, 6599 linfo[i].line_off, 6600 linfo[i].line_col, 6601 expected_linfo->file_name_off, 6602 expected_linfo->line_off, 6603 expected_linfo->line_col)) { 6604 err = -1; 6605 goto done; 6606 } 6607 } 6608 6609 if (!jited_cnt) { 6610 fprintf(stderr, "not jited. skipping jited_line_info check. "); 6611 err = 0; 6612 goto done; 6613 } 6614 6615 if (CHECK(jited_linfo[0] != jited_ksyms[0], 6616 "jited_linfo[0]:%lx != jited_ksyms[0]:%lx", 6617 (long)(jited_linfo[0]), (long)(jited_ksyms[0]))) { 6618 err = -1; 6619 goto done; 6620 } 6621 6622 ksyms_found = 1; 6623 cur_func_len = jited_func_lens[0]; 6624 cur_func_ksyms = jited_ksyms[0]; 6625 for (i = 1; i < jited_cnt; i++) { 6626 if (ksyms_found < nr_jited_ksyms && 6627 jited_linfo[i] == jited_ksyms[ksyms_found]) { 6628 cur_func_ksyms = jited_ksyms[ksyms_found]; 6629 cur_func_len = jited_ksyms[ksyms_found]; 6630 ksyms_found++; 6631 continue; 6632 } 6633 6634 if (CHECK(jited_linfo[i] <= jited_linfo[i - 1], 6635 "jited_linfo[%u]:%lx <= jited_linfo[%u]:%lx", 6636 i, (long)jited_linfo[i], 6637 i - 1, (long)(jited_linfo[i - 1]))) { 6638 err = -1; 6639 goto done; 6640 } 6641 6642 if (CHECK(jited_linfo[i] - cur_func_ksyms > cur_func_len, 6643 "jited_linfo[%u]:%lx - %lx > %u", 6644 i, (long)jited_linfo[i], (long)cur_func_ksyms, 6645 cur_func_len)) { 6646 err = -1; 6647 goto done; 6648 } 6649 } 6650 6651 if (CHECK(ksyms_found != nr_jited_ksyms, 6652 "ksyms_found:%u != nr_jited_ksyms:%u", 6653 ksyms_found, nr_jited_ksyms)) { 6654 err = -1; 6655 goto done; 6656 } 6657 6658 err = 0; 6659 6660 done: 6661 free(linfo); 6662 free(jited_linfo); 6663 free(jited_ksyms); 6664 free(jited_func_lens); 6665 return err; 6666 } 6667 6668 static void do_test_info_raw(unsigned int test_num) 6669 { 6670 const struct prog_info_raw_test *test = &info_raw_tests[test_num - 1]; 6671 unsigned int raw_btf_size, linfo_str_off, linfo_size = 0; 6672 int btf_fd = -1, prog_fd = -1, err = 0; 6673 void *raw_btf, *patched_linfo = NULL; 6674 const char *ret_next_str; 6675 union bpf_attr attr = {}; 6676 6677 if (!test__start_subtest(test->descr)) 6678 return; 6679 6680 raw_btf = btf_raw_create(&hdr_tmpl, test->raw_types, 6681 test->str_sec, test->str_sec_size, 6682 &raw_btf_size, &ret_next_str); 6683 if (!raw_btf) 6684 return; 6685 6686 *btf_log_buf = '\0'; 6687 btf_fd = load_raw_btf(raw_btf, raw_btf_size); 6688 free(raw_btf); 6689 6690 if (CHECK(btf_fd < 0, "invalid btf_fd errno:%d", errno)) { 6691 err = -1; 6692 goto done; 6693 } 6694 6695 if (*btf_log_buf && always_log) 6696 fprintf(stderr, "\n%s", btf_log_buf); 6697 *btf_log_buf = '\0'; 6698 6699 linfo_str_off = ret_next_str - test->str_sec; 6700 patched_linfo = patch_name_tbd(test->line_info, 6701 test->str_sec, linfo_str_off, 6702 test->str_sec_size, &linfo_size); 6703 err = libbpf_get_error(patched_linfo); 6704 if (err) { 6705 fprintf(stderr, "error in creating raw bpf_line_info"); 6706 err = -1; 6707 goto done; 6708 } 6709 6710 attr.prog_type = test->prog_type; 6711 attr.insns = ptr_to_u64(test->insns); 6712 attr.insn_cnt = probe_prog_length(test->insns); 6713 attr.license = ptr_to_u64("GPL"); 6714 attr.prog_btf_fd = btf_fd; 6715 attr.func_info_rec_size = test->func_info_rec_size; 6716 attr.func_info_cnt = test->func_info_cnt; 6717 attr.func_info = ptr_to_u64(test->func_info); 6718 attr.log_buf = ptr_to_u64(btf_log_buf); 6719 attr.log_size = BTF_LOG_BUF_SIZE; 6720 attr.log_level = 1; 6721 if (linfo_size) { 6722 attr.line_info_rec_size = test->line_info_rec_size; 6723 attr.line_info = ptr_to_u64(patched_linfo); 6724 attr.line_info_cnt = linfo_size / attr.line_info_rec_size; 6725 } 6726 6727 prog_fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)); 6728 err = ((prog_fd < 0) != test->expected_prog_load_failure); 6729 if (CHECK(err, "prog_fd:%d expected_prog_load_failure:%u errno:%d", 6730 prog_fd, test->expected_prog_load_failure, errno) || 6731 CHECK(test->err_str && !strstr(btf_log_buf, test->err_str), 6732 "expected err_str:%s", test->err_str)) { 6733 err = -1; 6734 goto done; 6735 } 6736 6737 if (prog_fd < 0) 6738 goto done; 6739 6740 err = test_get_finfo(test, prog_fd); 6741 if (err) 6742 goto done; 6743 6744 err = test_get_linfo(test, patched_linfo, 6745 attr.line_info_cnt - test->dead_code_cnt, 6746 prog_fd); 6747 if (err) 6748 goto done; 6749 6750 done: 6751 if (*btf_log_buf && (err || always_log)) 6752 fprintf(stderr, "\n%s", btf_log_buf); 6753 6754 if (btf_fd >= 0) 6755 close(btf_fd); 6756 if (prog_fd >= 0) 6757 close(prog_fd); 6758 6759 if (!libbpf_get_error(patched_linfo)) 6760 free(patched_linfo); 6761 } 6762 6763 struct btf_raw_data { 6764 __u32 raw_types[MAX_NR_RAW_U32]; 6765 const char *str_sec; 6766 __u32 str_sec_size; 6767 }; 6768 6769 struct btf_dedup_test { 6770 const char *descr; 6771 struct btf_raw_data input; 6772 struct btf_raw_data expect; 6773 struct btf_dedup_opts opts; 6774 }; 6775 6776 static struct btf_dedup_test dedup_tests[] = { 6777 6778 { 6779 .descr = "dedup: unused strings filtering", 6780 .input = { 6781 .raw_types = { 6782 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 4), 6783 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 64, 8), 6784 BTF_END_RAW, 6785 }, 6786 BTF_STR_SEC("\0unused\0int\0foo\0bar\0long"), 6787 }, 6788 .expect = { 6789 .raw_types = { 6790 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6791 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6792 BTF_END_RAW, 6793 }, 6794 BTF_STR_SEC("\0int\0long"), 6795 }, 6796 }, 6797 { 6798 .descr = "dedup: strings deduplication", 6799 .input = { 6800 .raw_types = { 6801 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6802 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6803 BTF_TYPE_INT_ENC(NAME_NTH(3), BTF_INT_SIGNED, 0, 32, 4), 6804 BTF_TYPE_INT_ENC(NAME_NTH(4), BTF_INT_SIGNED, 0, 64, 8), 6805 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), 6806 BTF_END_RAW, 6807 }, 6808 BTF_STR_SEC("\0int\0long int\0int\0long int\0int"), 6809 }, 6810 .expect = { 6811 .raw_types = { 6812 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 6813 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 64, 8), 6814 BTF_END_RAW, 6815 }, 6816 BTF_STR_SEC("\0int\0long int"), 6817 }, 6818 }, 6819 { 6820 .descr = "dedup: struct example #1", 6821 /* 6822 * struct s { 6823 * struct s *next; 6824 * const int *a; 6825 * int b[16]; 6826 * int c; 6827 * } 6828 */ 6829 .input = { 6830 .raw_types = { 6831 /* int */ 6832 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6833 /* int[16] */ 6834 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */ 6835 /* struct s { */ 6836 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [3] */ 6837 BTF_MEMBER_ENC(NAME_NTH(3), 4, 0), /* struct s *next; */ 6838 BTF_MEMBER_ENC(NAME_NTH(4), 5, 64), /* const int *a; */ 6839 BTF_MEMBER_ENC(NAME_NTH(5), 2, 128), /* int b[16]; */ 6840 BTF_MEMBER_ENC(NAME_NTH(6), 1, 640), /* int c; */ 6841 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), /* float d; */ 6842 /* ptr -> [3] struct s */ 6843 BTF_PTR_ENC(3), /* [4] */ 6844 /* ptr -> [6] const int */ 6845 BTF_PTR_ENC(6), /* [5] */ 6846 /* const -> [1] int */ 6847 BTF_CONST_ENC(1), /* [6] */ 6848 /* tag -> [3] struct s */ 6849 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */ 6850 /* tag -> [3] struct s, member 1 */ 6851 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */ 6852 6853 /* full copy of the above */ 6854 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), /* [9] */ 6855 BTF_TYPE_ARRAY_ENC(9, 9, 16), /* [10] */ 6856 BTF_STRUCT_ENC(NAME_NTH(2), 5, 88), /* [11] */ 6857 BTF_MEMBER_ENC(NAME_NTH(3), 12, 0), 6858 BTF_MEMBER_ENC(NAME_NTH(4), 13, 64), 6859 BTF_MEMBER_ENC(NAME_NTH(5), 10, 128), 6860 BTF_MEMBER_ENC(NAME_NTH(6), 9, 640), 6861 BTF_MEMBER_ENC(NAME_NTH(8), 15, 672), 6862 BTF_PTR_ENC(11), /* [12] */ 6863 BTF_PTR_ENC(14), /* [13] */ 6864 BTF_CONST_ENC(9), /* [14] */ 6865 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [15] */ 6866 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, -1), /* [16] */ 6867 BTF_DECL_TAG_ENC(NAME_NTH(2), 11, 1), /* [17] */ 6868 BTF_END_RAW, 6869 }, 6870 BTF_STR_SEC("\0int\0s\0next\0a\0b\0c\0float\0d"), 6871 }, 6872 .expect = { 6873 .raw_types = { 6874 /* int */ 6875 BTF_TYPE_INT_ENC(NAME_NTH(5), BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 6876 /* int[16] */ 6877 BTF_TYPE_ARRAY_ENC(1, 1, 16), /* [2] */ 6878 /* struct s { */ 6879 BTF_STRUCT_ENC(NAME_NTH(8), 5, 88), /* [3] */ 6880 BTF_MEMBER_ENC(NAME_NTH(7), 4, 0), /* struct s *next; */ 6881 BTF_MEMBER_ENC(NAME_NTH(1), 5, 64), /* const int *a; */ 6882 BTF_MEMBER_ENC(NAME_NTH(2), 2, 128), /* int b[16]; */ 6883 BTF_MEMBER_ENC(NAME_NTH(3), 1, 640), /* int c; */ 6884 BTF_MEMBER_ENC(NAME_NTH(4), 9, 672), /* float d; */ 6885 /* ptr -> [3] struct s */ 6886 BTF_PTR_ENC(3), /* [4] */ 6887 /* ptr -> [6] const int */ 6888 BTF_PTR_ENC(6), /* [5] */ 6889 /* const -> [1] int */ 6890 BTF_CONST_ENC(1), /* [6] */ 6891 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [7] */ 6892 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, 1), /* [8] */ 6893 BTF_TYPE_FLOAT_ENC(NAME_NTH(7), 4), /* [9] */ 6894 BTF_END_RAW, 6895 }, 6896 BTF_STR_SEC("\0a\0b\0c\0d\0int\0float\0next\0s"), 6897 }, 6898 }, 6899 { 6900 .descr = "dedup: struct <-> fwd resolution w/ hash collision", 6901 /* 6902 * // CU 1: 6903 * struct x; 6904 * struct s { 6905 * struct x *x; 6906 * }; 6907 * // CU 2: 6908 * struct x {}; 6909 * struct s { 6910 * struct x *x; 6911 * }; 6912 */ 6913 .input = { 6914 .raw_types = { 6915 /* CU 1 */ 6916 BTF_FWD_ENC(NAME_TBD, 0 /* struct fwd */), /* [1] fwd x */ 6917 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 6918 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [3] struct s */ 6919 BTF_MEMBER_ENC(NAME_TBD, 2, 0), 6920 /* CU 2 */ 6921 BTF_STRUCT_ENC(NAME_TBD, 0, 0), /* [4] struct x */ 6922 BTF_PTR_ENC(4), /* [5] ptr -> [4] */ 6923 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [6] struct s */ 6924 BTF_MEMBER_ENC(NAME_TBD, 5, 0), 6925 BTF_END_RAW, 6926 }, 6927 BTF_STR_SEC("\0x\0s\0x\0x\0s\0x\0"), 6928 }, 6929 .expect = { 6930 .raw_types = { 6931 BTF_PTR_ENC(3), /* [1] ptr -> [3] */ 6932 BTF_STRUCT_ENC(NAME_TBD, 1, 8), /* [2] struct s */ 6933 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 6934 BTF_STRUCT_ENC(NAME_NTH(2), 0, 0), /* [3] struct x */ 6935 BTF_END_RAW, 6936 }, 6937 BTF_STR_SEC("\0s\0x"), 6938 }, 6939 .opts = { 6940 .force_collisions = true, /* force hash collisions */ 6941 }, 6942 }, 6943 { 6944 .descr = "dedup: void equiv check", 6945 /* 6946 * // CU 1: 6947 * struct s { 6948 * struct {} *x; 6949 * }; 6950 * // CU 2: 6951 * struct s { 6952 * int *x; 6953 * }; 6954 */ 6955 .input = { 6956 .raw_types = { 6957 /* CU 1 */ 6958 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */ 6959 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 6960 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */ 6961 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 6962 /* CU 2 */ 6963 BTF_PTR_ENC(0), /* [4] ptr -> void */ 6964 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */ 6965 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0), 6966 BTF_END_RAW, 6967 }, 6968 BTF_STR_SEC("\0s\0x"), 6969 }, 6970 .expect = { 6971 .raw_types = { 6972 /* CU 1 */ 6973 BTF_STRUCT_ENC(0, 0, 1), /* [1] struct {} */ 6974 BTF_PTR_ENC(1), /* [2] ptr -> [1] */ 6975 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [3] struct s */ 6976 BTF_MEMBER_ENC(NAME_NTH(2), 2, 0), 6977 /* CU 2 */ 6978 BTF_PTR_ENC(0), /* [4] ptr -> void */ 6979 BTF_STRUCT_ENC(NAME_NTH(1), 1, 8), /* [5] struct s */ 6980 BTF_MEMBER_ENC(NAME_NTH(2), 4, 0), 6981 BTF_END_RAW, 6982 }, 6983 BTF_STR_SEC("\0s\0x"), 6984 }, 6985 .opts = { 6986 .force_collisions = true, /* force hash collisions */ 6987 }, 6988 }, 6989 { 6990 .descr = "dedup: all possible kinds (no duplicates)", 6991 .input = { 6992 .raw_types = { 6993 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */ 6994 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */ 6995 BTF_ENUM_ENC(NAME_TBD, 0), 6996 BTF_ENUM_ENC(NAME_TBD, 1), 6997 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */ 6998 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */ 6999 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */ 7000 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7001 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */ 7002 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7003 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */ 7004 BTF_PTR_ENC(0), /* [8] ptr */ 7005 BTF_CONST_ENC(8), /* [9] const */ 7006 BTF_VOLATILE_ENC(8), /* [10] volatile */ 7007 BTF_RESTRICT_ENC(8), /* [11] restrict */ 7008 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ 7009 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 7010 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), 7011 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ 7012 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ 7013 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ 7014 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ 7015 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ 7016 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ 7017 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */ 7018 BTF_ENUM64_ENC(NAME_TBD, 0, 0), 7019 BTF_ENUM64_ENC(NAME_TBD, 1, 1), 7020 BTF_END_RAW, 7021 }, 7022 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"), 7023 }, 7024 .expect = { 7025 .raw_types = { 7026 BTF_TYPE_INT_ENC(NAME_TBD, BTF_INT_SIGNED, 0, 32, 8), /* [1] int */ 7027 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM, 0, 2), 4), /* [2] enum */ 7028 BTF_ENUM_ENC(NAME_TBD, 0), 7029 BTF_ENUM_ENC(NAME_TBD, 1), 7030 BTF_FWD_ENC(NAME_TBD, 1 /* union kind_flag */), /* [3] fwd */ 7031 BTF_TYPE_ARRAY_ENC(2, 1, 7), /* [4] array */ 7032 BTF_STRUCT_ENC(NAME_TBD, 1, 4), /* [5] struct */ 7033 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7034 BTF_UNION_ENC(NAME_TBD, 1, 4), /* [6] union */ 7035 BTF_MEMBER_ENC(NAME_TBD, 1, 0), 7036 BTF_TYPEDEF_ENC(NAME_TBD, 1), /* [7] typedef */ 7037 BTF_PTR_ENC(0), /* [8] ptr */ 7038 BTF_CONST_ENC(8), /* [9] const */ 7039 BTF_VOLATILE_ENC(8), /* [10] volatile */ 7040 BTF_RESTRICT_ENC(8), /* [11] restrict */ 7041 BTF_FUNC_PROTO_ENC(1, 2), /* [12] func_proto */ 7042 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 1), 7043 BTF_FUNC_PROTO_ARG_ENC(NAME_TBD, 18), 7044 BTF_FUNC_ENC(NAME_TBD, 12), /* [13] func */ 7045 BTF_TYPE_FLOAT_ENC(NAME_TBD, 2), /* [14] float */ 7046 BTF_DECL_TAG_ENC(NAME_TBD, 13, -1), /* [15] decl_tag */ 7047 BTF_DECL_TAG_ENC(NAME_TBD, 13, 1), /* [16] decl_tag */ 7048 BTF_DECL_TAG_ENC(NAME_TBD, 7, -1), /* [17] decl_tag */ 7049 BTF_TYPE_TAG_ENC(NAME_TBD, 8), /* [18] type_tag */ 7050 BTF_TYPE_ENC(NAME_TBD, BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 2), 8), /* [19] enum64 */ 7051 BTF_ENUM64_ENC(NAME_TBD, 0, 0), 7052 BTF_ENUM64_ENC(NAME_TBD, 1, 1), 7053 BTF_END_RAW, 7054 }, 7055 BTF_STR_SEC("\0A\0B\0C\0D\0E\0F\0G\0H\0I\0J\0K\0L\0M\0N\0O\0P\0Q\0R\0S\0T\0U"), 7056 }, 7057 }, 7058 { 7059 .descr = "dedup: no int/float duplicates", 7060 .input = { 7061 .raw_types = { 7062 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8), 7063 /* different name */ 7064 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8), 7065 /* different encoding */ 7066 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8), 7067 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8), 7068 /* different bit offset */ 7069 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8), 7070 /* different bit size */ 7071 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8), 7072 /* different byte size */ 7073 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 7074 /* all allowed sizes */ 7075 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2), 7076 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4), 7077 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8), 7078 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12), 7079 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16), 7080 BTF_END_RAW, 7081 }, 7082 BTF_STR_SEC("\0int\0some other int\0float"), 7083 }, 7084 .expect = { 7085 .raw_types = { 7086 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 8), 7087 /* different name */ 7088 BTF_TYPE_INT_ENC(NAME_NTH(2), BTF_INT_SIGNED, 0, 32, 8), 7089 /* different encoding */ 7090 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_CHAR, 0, 32, 8), 7091 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_BOOL, 0, 32, 8), 7092 /* different bit offset */ 7093 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 8, 32, 8), 7094 /* different bit size */ 7095 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 27, 8), 7096 /* different byte size */ 7097 BTF_TYPE_INT_ENC(NAME_NTH(1), BTF_INT_SIGNED, 0, 32, 4), 7098 /* all allowed sizes */ 7099 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 2), 7100 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 4), 7101 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 8), 7102 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 12), 7103 BTF_TYPE_FLOAT_ENC(NAME_NTH(3), 16), 7104 BTF_END_RAW, 7105 }, 7106 BTF_STR_SEC("\0int\0some other int\0float"), 7107 }, 7108 }, 7109 { 7110 .descr = "dedup: enum fwd resolution", 7111 .input = { 7112 .raw_types = { 7113 /* [1] fwd enum 'e1' before full enum */ 7114 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), 7115 /* [2] full enum 'e1' after fwd */ 7116 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7117 BTF_ENUM_ENC(NAME_NTH(2), 123), 7118 /* [3] full enum 'e2' before fwd */ 7119 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7120 BTF_ENUM_ENC(NAME_NTH(4), 456), 7121 /* [4] fwd enum 'e2' after full enum */ 7122 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 4), 7123 /* [5] incompatible fwd enum with different size */ 7124 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1), 7125 /* [6] incompatible full enum with different value */ 7126 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7127 BTF_ENUM_ENC(NAME_NTH(2), 321), 7128 BTF_END_RAW, 7129 }, 7130 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7131 }, 7132 .expect = { 7133 .raw_types = { 7134 /* [1] full enum 'e1' */ 7135 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7136 BTF_ENUM_ENC(NAME_NTH(2), 123), 7137 /* [2] full enum 'e2' */ 7138 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7139 BTF_ENUM_ENC(NAME_NTH(4), 456), 7140 /* [3] incompatible fwd enum with different size */ 7141 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 0), 1), 7142 /* [4] incompatible full enum with different value */ 7143 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7144 BTF_ENUM_ENC(NAME_NTH(2), 321), 7145 BTF_END_RAW, 7146 }, 7147 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7148 }, 7149 }, 7150 { 7151 .descr = "dedup: datasec and vars pass-through", 7152 .input = { 7153 .raw_types = { 7154 /* int */ 7155 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7156 /* static int t */ 7157 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */ 7158 /* .bss section */ /* [3] */ 7159 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7160 BTF_VAR_SECINFO_ENC(2, 0, 4), 7161 /* int, referenced from [5] */ 7162 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [4] */ 7163 /* another static int t */ 7164 BTF_VAR_ENC(NAME_NTH(2), 4, 0), /* [5] */ 7165 /* another .bss section */ /* [6] */ 7166 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7167 BTF_VAR_SECINFO_ENC(5, 0, 4), 7168 BTF_END_RAW, 7169 }, 7170 BTF_STR_SEC("\0.bss\0t"), 7171 }, 7172 .expect = { 7173 .raw_types = { 7174 /* int */ 7175 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7176 /* static int t */ 7177 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [2] */ 7178 /* .bss section */ /* [3] */ 7179 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7180 BTF_VAR_SECINFO_ENC(2, 0, 4), 7181 /* another static int t */ 7182 BTF_VAR_ENC(NAME_NTH(2), 1, 0), /* [4] */ 7183 /* another .bss section */ /* [5] */ 7184 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_DATASEC, 0, 1), 4), 7185 BTF_VAR_SECINFO_ENC(4, 0, 4), 7186 BTF_END_RAW, 7187 }, 7188 BTF_STR_SEC("\0.bss\0t"), 7189 }, 7190 .opts = { 7191 .force_collisions = true 7192 }, 7193 }, 7194 { 7195 .descr = "dedup: func/func_arg/var tags", 7196 .input = { 7197 .raw_types = { 7198 /* int */ 7199 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7200 /* static int t */ 7201 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */ 7202 /* void f(int a1, int a2) */ 7203 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 7204 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7205 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1), 7206 BTF_FUNC_ENC(NAME_NTH(4), 2), /* [4] */ 7207 /* tag -> t */ 7208 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7209 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [6] */ 7210 /* tag -> func */ 7211 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [7] */ 7212 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [8] */ 7213 /* tag -> func arg a1 */ 7214 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [9] */ 7215 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [10] */ 7216 BTF_END_RAW, 7217 }, 7218 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"), 7219 }, 7220 .expect = { 7221 .raw_types = { 7222 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7223 BTF_VAR_ENC(NAME_NTH(1), 1, 0), /* [2] */ 7224 BTF_FUNC_PROTO_ENC(0, 2), /* [3] */ 7225 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7226 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(3), 1), 7227 BTF_FUNC_ENC(NAME_NTH(4), 2), /* [4] */ 7228 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7229 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, -1), /* [6] */ 7230 BTF_DECL_TAG_ENC(NAME_NTH(5), 4, 1), /* [7] */ 7231 BTF_END_RAW, 7232 }, 7233 BTF_STR_SEC("\0t\0a1\0a2\0f\0tag"), 7234 }, 7235 }, 7236 { 7237 .descr = "dedup: func/func_param tags", 7238 .input = { 7239 .raw_types = { 7240 /* int */ 7241 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7242 /* void f(int a1, int a2) */ 7243 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 7244 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7245 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7246 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */ 7247 /* void f(int a1, int a2) */ 7248 BTF_FUNC_PROTO_ENC(0, 2), /* [4] */ 7249 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7250 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7251 BTF_FUNC_ENC(NAME_NTH(3), 4), /* [5] */ 7252 /* tag -> f: tag1, tag2 */ 7253 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [6] */ 7254 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [7] */ 7255 /* tag -> f/a2: tag1, tag2 */ 7256 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [8] */ 7257 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [9] */ 7258 /* tag -> f: tag1, tag3 */ 7259 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, -1), /* [10] */ 7260 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, -1), /* [11] */ 7261 /* tag -> f/a2: tag1, tag3 */ 7262 BTF_DECL_TAG_ENC(NAME_NTH(4), 5, 1), /* [12] */ 7263 BTF_DECL_TAG_ENC(NAME_NTH(6), 5, 1), /* [13] */ 7264 BTF_END_RAW, 7265 }, 7266 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"), 7267 }, 7268 .expect = { 7269 .raw_types = { 7270 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7271 BTF_FUNC_PROTO_ENC(0, 2), /* [2] */ 7272 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(1), 1), 7273 BTF_FUNC_PROTO_ARG_ENC(NAME_NTH(2), 1), 7274 BTF_FUNC_ENC(NAME_NTH(3), 2), /* [3] */ 7275 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [4] */ 7276 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, -1), /* [5] */ 7277 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [6] */ 7278 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [7] */ 7279 BTF_DECL_TAG_ENC(NAME_NTH(5), 3, 1), /* [8] */ 7280 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [9] */ 7281 BTF_END_RAW, 7282 }, 7283 BTF_STR_SEC("\0a1\0a2\0f\0tag1\0tag2\0tag3"), 7284 }, 7285 }, 7286 { 7287 .descr = "dedup: struct/struct_member tags", 7288 .input = { 7289 .raw_types = { 7290 /* int */ 7291 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7292 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */ 7293 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7294 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7295 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [3] */ 7296 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7297 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7298 /* tag -> t: tag1, tag2 */ 7299 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [4] */ 7300 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [5] */ 7301 /* tag -> t/m2: tag1, tag2 */ 7302 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */ 7303 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */ 7304 /* tag -> t: tag1, tag3 */ 7305 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [8] */ 7306 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, -1), /* [9] */ 7307 /* tag -> t/m2: tag1, tag3 */ 7308 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, 1), /* [10] */ 7309 BTF_DECL_TAG_ENC(NAME_NTH(6), 3, 1), /* [11] */ 7310 BTF_END_RAW, 7311 }, 7312 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), 7313 }, 7314 .expect = { 7315 .raw_types = { 7316 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7317 BTF_STRUCT_ENC(NAME_NTH(1), 2, 8), /* [2] */ 7318 BTF_MEMBER_ENC(NAME_NTH(2), 1, 0), 7319 BTF_MEMBER_ENC(NAME_NTH(3), 1, 32), 7320 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [3] */ 7321 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, -1), /* [4] */ 7322 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, -1), /* [5] */ 7323 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, 1), /* [6] */ 7324 BTF_DECL_TAG_ENC(NAME_NTH(5), 2, 1), /* [7] */ 7325 BTF_DECL_TAG_ENC(NAME_NTH(6), 2, 1), /* [8] */ 7326 BTF_END_RAW, 7327 }, 7328 BTF_STR_SEC("\0t\0m1\0m2\0tag1\0tag2\0tag3"), 7329 }, 7330 }, 7331 { 7332 .descr = "dedup: typedef tags", 7333 .input = { 7334 .raw_types = { 7335 /* int */ 7336 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7337 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ 7338 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [3] */ 7339 /* tag -> t: tag1, tag2 */ 7340 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [4] */ 7341 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [5] */ 7342 /* tag -> t: tag1, tag3 */ 7343 BTF_DECL_TAG_ENC(NAME_NTH(2), 3, -1), /* [6] */ 7344 BTF_DECL_TAG_ENC(NAME_NTH(4), 3, -1), /* [7] */ 7345 BTF_END_RAW, 7346 }, 7347 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"), 7348 }, 7349 .expect = { 7350 .raw_types = { 7351 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7352 BTF_TYPEDEF_ENC(NAME_NTH(1), 1), /* [2] */ 7353 BTF_DECL_TAG_ENC(NAME_NTH(2), 2, -1), /* [3] */ 7354 BTF_DECL_TAG_ENC(NAME_NTH(3), 2, -1), /* [4] */ 7355 BTF_DECL_TAG_ENC(NAME_NTH(4), 2, -1), /* [5] */ 7356 BTF_END_RAW, 7357 }, 7358 BTF_STR_SEC("\0t\0tag1\0tag2\0tag3"), 7359 }, 7360 }, 7361 { 7362 .descr = "dedup: btf_type_tag #1", 7363 .input = { 7364 .raw_types = { 7365 /* ptr -> tag2 -> tag1 -> int */ 7366 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7367 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7368 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7369 BTF_PTR_ENC(3), /* [4] */ 7370 /* ptr -> tag2 -> tag1 -> int */ 7371 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [5] */ 7372 BTF_TYPE_TAG_ENC(NAME_NTH(2), 5), /* [6] */ 7373 BTF_PTR_ENC(6), /* [7] */ 7374 /* ptr -> tag1 -> int */ 7375 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [8] */ 7376 BTF_PTR_ENC(8), /* [9] */ 7377 BTF_END_RAW, 7378 }, 7379 BTF_STR_SEC("\0tag1\0tag2"), 7380 }, 7381 .expect = { 7382 .raw_types = { 7383 /* ptr -> tag2 -> tag1 -> int */ 7384 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7385 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7386 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7387 BTF_PTR_ENC(3), /* [4] */ 7388 /* ptr -> tag1 -> int */ 7389 BTF_PTR_ENC(2), /* [5] */ 7390 BTF_END_RAW, 7391 }, 7392 BTF_STR_SEC("\0tag1\0tag2"), 7393 }, 7394 }, 7395 { 7396 .descr = "dedup: btf_type_tag #2", 7397 .input = { 7398 .raw_types = { 7399 /* ptr -> tag2 -> tag1 -> int */ 7400 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7401 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7402 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7403 BTF_PTR_ENC(3), /* [4] */ 7404 /* ptr -> tag2 -> int */ 7405 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7406 BTF_PTR_ENC(5), /* [6] */ 7407 BTF_END_RAW, 7408 }, 7409 BTF_STR_SEC("\0tag1\0tag2"), 7410 }, 7411 .expect = { 7412 .raw_types = { 7413 /* ptr -> tag2 -> tag1 -> int */ 7414 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7415 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7416 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7417 BTF_PTR_ENC(3), /* [4] */ 7418 /* ptr -> tag2 -> int */ 7419 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7420 BTF_PTR_ENC(5), /* [6] */ 7421 BTF_END_RAW, 7422 }, 7423 BTF_STR_SEC("\0tag1\0tag2"), 7424 }, 7425 }, 7426 { 7427 .descr = "dedup: btf_type_tag #3", 7428 .input = { 7429 .raw_types = { 7430 /* ptr -> tag2 -> tag1 -> int */ 7431 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7432 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7433 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7434 BTF_PTR_ENC(3), /* [4] */ 7435 /* ptr -> tag1 -> tag2 -> int */ 7436 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7437 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ 7438 BTF_PTR_ENC(6), /* [7] */ 7439 BTF_END_RAW, 7440 }, 7441 BTF_STR_SEC("\0tag1\0tag2"), 7442 }, 7443 .expect = { 7444 .raw_types = { 7445 /* ptr -> tag2 -> tag1 -> int */ 7446 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7447 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7448 BTF_TYPE_TAG_ENC(NAME_NTH(2), 2), /* [3] */ 7449 BTF_PTR_ENC(3), /* [4] */ 7450 /* ptr -> tag1 -> tag2 -> int */ 7451 BTF_TYPE_TAG_ENC(NAME_NTH(2), 1), /* [5] */ 7452 BTF_TYPE_TAG_ENC(NAME_NTH(1), 5), /* [6] */ 7453 BTF_PTR_ENC(6), /* [7] */ 7454 BTF_END_RAW, 7455 }, 7456 BTF_STR_SEC("\0tag1\0tag2"), 7457 }, 7458 }, 7459 { 7460 .descr = "dedup: btf_type_tag #4", 7461 .input = { 7462 .raw_types = { 7463 /* ptr -> tag1 -> int */ 7464 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7465 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7466 BTF_PTR_ENC(2), /* [3] */ 7467 /* ptr -> tag1 -> long */ 7468 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ 7469 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ 7470 BTF_PTR_ENC(5), /* [6] */ 7471 BTF_END_RAW, 7472 }, 7473 BTF_STR_SEC("\0tag1"), 7474 }, 7475 .expect = { 7476 .raw_types = { 7477 /* ptr -> tag1 -> int */ 7478 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7479 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7480 BTF_PTR_ENC(2), /* [3] */ 7481 /* ptr -> tag1 -> long */ 7482 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 64, 8), /* [4] */ 7483 BTF_TYPE_TAG_ENC(NAME_NTH(1), 4), /* [5] */ 7484 BTF_PTR_ENC(5), /* [6] */ 7485 BTF_END_RAW, 7486 }, 7487 BTF_STR_SEC("\0tag1"), 7488 }, 7489 }, 7490 { 7491 .descr = "dedup: btf_type_tag #5, struct", 7492 .input = { 7493 .raw_types = { 7494 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7495 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7496 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ 7497 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), 7498 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [4] */ 7499 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [5] */ 7500 BTF_MEMBER_ENC(NAME_NTH(3), 4, BTF_MEMBER_OFFSET(0, 0)), 7501 BTF_END_RAW, 7502 }, 7503 BTF_STR_SEC("\0tag1\0t\0m"), 7504 }, 7505 .expect = { 7506 .raw_types = { 7507 BTF_TYPE_INT_ENC(0, BTF_INT_SIGNED, 0, 32, 4), /* [1] */ 7508 BTF_TYPE_TAG_ENC(NAME_NTH(1), 1), /* [2] */ 7509 BTF_TYPE_ENC(NAME_NTH(2), BTF_INFO_ENC(BTF_KIND_STRUCT, 1, 1), 4), /* [3] */ 7510 BTF_MEMBER_ENC(NAME_NTH(3), 2, BTF_MEMBER_OFFSET(0, 0)), 7511 BTF_END_RAW, 7512 }, 7513 BTF_STR_SEC("\0tag1\0t\0m"), 7514 }, 7515 }, 7516 { 7517 .descr = "dedup: enum64, standalone", 7518 .input = { 7519 .raw_types = { 7520 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7521 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7522 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7523 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7524 BTF_END_RAW, 7525 }, 7526 BTF_STR_SEC("\0e1\0e1_val"), 7527 }, 7528 .expect = { 7529 .raw_types = { 7530 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7531 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7532 BTF_END_RAW, 7533 }, 7534 BTF_STR_SEC("\0e1\0e1_val"), 7535 }, 7536 }, 7537 { 7538 .descr = "dedup: enum64, fwd resolution", 7539 .input = { 7540 .raw_types = { 7541 /* [1] fwd enum64 'e1' before full enum */ 7542 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8), 7543 /* [2] full enum64 'e1' after fwd */ 7544 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7545 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7546 /* [3] full enum64 'e2' before fwd */ 7547 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7548 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456), 7549 /* [4] fwd enum64 'e2' after full enum */ 7550 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 0), 8), 7551 /* [5] incompatible full enum64 with different value */ 7552 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7553 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321), 7554 BTF_END_RAW, 7555 }, 7556 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7557 }, 7558 .expect = { 7559 .raw_types = { 7560 /* [1] full enum64 'e1' */ 7561 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7562 BTF_ENUM64_ENC(NAME_NTH(2), 1, 123), 7563 /* [2] full enum64 'e2' */ 7564 BTF_TYPE_ENC(NAME_NTH(3), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7565 BTF_ENUM64_ENC(NAME_NTH(4), 0, 456), 7566 /* [3] incompatible full enum64 with different value */ 7567 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 8), 7568 BTF_ENUM64_ENC(NAME_NTH(2), 0, 321), 7569 BTF_END_RAW, 7570 }, 7571 BTF_STR_SEC("\0e1\0e1_val\0e2\0e2_val"), 7572 }, 7573 }, 7574 { 7575 .descr = "dedup: enum and enum64, no dedup", 7576 .input = { 7577 .raw_types = { 7578 /* [1] enum 'e1' */ 7579 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7580 BTF_ENUM_ENC(NAME_NTH(2), 1), 7581 /* [2] enum64 'e1' */ 7582 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4), 7583 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), 7584 BTF_END_RAW, 7585 }, 7586 BTF_STR_SEC("\0e1\0e1_val"), 7587 }, 7588 .expect = { 7589 .raw_types = { 7590 /* [1] enum 'e1' */ 7591 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM, 0, 1), 4), 7592 BTF_ENUM_ENC(NAME_NTH(2), 1), 7593 /* [2] enum64 'e1' */ 7594 BTF_TYPE_ENC(NAME_NTH(1), BTF_INFO_ENC(BTF_KIND_ENUM64, 0, 1), 4), 7595 BTF_ENUM64_ENC(NAME_NTH(2), 1, 0), 7596 BTF_END_RAW, 7597 }, 7598 BTF_STR_SEC("\0e1\0e1_val"), 7599 }, 7600 }, 7601 7602 }; 7603 7604 static int btf_type_size(const struct btf_type *t) 7605 { 7606 int base_size = sizeof(struct btf_type); 7607 __u16 vlen = BTF_INFO_VLEN(t->info); 7608 __u16 kind = BTF_INFO_KIND(t->info); 7609 7610 switch (kind) { 7611 case BTF_KIND_FWD: 7612 case BTF_KIND_CONST: 7613 case BTF_KIND_VOLATILE: 7614 case BTF_KIND_RESTRICT: 7615 case BTF_KIND_PTR: 7616 case BTF_KIND_TYPEDEF: 7617 case BTF_KIND_FUNC: 7618 case BTF_KIND_FLOAT: 7619 case BTF_KIND_TYPE_TAG: 7620 return base_size; 7621 case BTF_KIND_INT: 7622 return base_size + sizeof(__u32); 7623 case BTF_KIND_ENUM: 7624 return base_size + vlen * sizeof(struct btf_enum); 7625 case BTF_KIND_ENUM64: 7626 return base_size + vlen * sizeof(struct btf_enum64); 7627 case BTF_KIND_ARRAY: 7628 return base_size + sizeof(struct btf_array); 7629 case BTF_KIND_STRUCT: 7630 case BTF_KIND_UNION: 7631 return base_size + vlen * sizeof(struct btf_member); 7632 case BTF_KIND_FUNC_PROTO: 7633 return base_size + vlen * sizeof(struct btf_param); 7634 case BTF_KIND_VAR: 7635 return base_size + sizeof(struct btf_var); 7636 case BTF_KIND_DATASEC: 7637 return base_size + vlen * sizeof(struct btf_var_secinfo); 7638 case BTF_KIND_DECL_TAG: 7639 return base_size + sizeof(struct btf_decl_tag); 7640 default: 7641 fprintf(stderr, "Unsupported BTF_KIND:%u\n", kind); 7642 return -EINVAL; 7643 } 7644 } 7645 7646 static void dump_btf_strings(const char *strs, __u32 len) 7647 { 7648 const char *cur = strs; 7649 int i = 0; 7650 7651 while (cur < strs + len) { 7652 fprintf(stderr, "string #%d: '%s'\n", i, cur); 7653 cur += strlen(cur) + 1; 7654 i++; 7655 } 7656 } 7657 7658 static void do_test_dedup(unsigned int test_num) 7659 { 7660 struct btf_dedup_test *test = &dedup_tests[test_num - 1]; 7661 __u32 test_nr_types, expect_nr_types, test_btf_size, expect_btf_size; 7662 const struct btf_header *test_hdr, *expect_hdr; 7663 struct btf *test_btf = NULL, *expect_btf = NULL; 7664 const void *test_btf_data, *expect_btf_data; 7665 const char *ret_test_next_str, *ret_expect_next_str; 7666 const char *test_strs, *expect_strs; 7667 const char *test_str_cur; 7668 const char *expect_str_cur, *expect_str_end; 7669 unsigned int raw_btf_size; 7670 void *raw_btf; 7671 int err = 0, i; 7672 7673 if (!test__start_subtest(test->descr)) 7674 return; 7675 7676 raw_btf = btf_raw_create(&hdr_tmpl, test->input.raw_types, 7677 test->input.str_sec, test->input.str_sec_size, 7678 &raw_btf_size, &ret_test_next_str); 7679 if (!raw_btf) 7680 return; 7681 7682 test_btf = btf__new((__u8 *)raw_btf, raw_btf_size); 7683 err = libbpf_get_error(test_btf); 7684 free(raw_btf); 7685 if (CHECK(err, "invalid test_btf errno:%d", err)) { 7686 err = -1; 7687 goto done; 7688 } 7689 7690 raw_btf = btf_raw_create(&hdr_tmpl, test->expect.raw_types, 7691 test->expect.str_sec, 7692 test->expect.str_sec_size, 7693 &raw_btf_size, &ret_expect_next_str); 7694 if (!raw_btf) 7695 return; 7696 expect_btf = btf__new((__u8 *)raw_btf, raw_btf_size); 7697 err = libbpf_get_error(expect_btf); 7698 free(raw_btf); 7699 if (CHECK(err, "invalid expect_btf errno:%d", err)) { 7700 err = -1; 7701 goto done; 7702 } 7703 7704 test->opts.sz = sizeof(test->opts); 7705 err = btf__dedup(test_btf, &test->opts); 7706 if (CHECK(err, "btf_dedup failed errno:%d", err)) { 7707 err = -1; 7708 goto done; 7709 } 7710 7711 test_btf_data = btf__raw_data(test_btf, &test_btf_size); 7712 expect_btf_data = btf__raw_data(expect_btf, &expect_btf_size); 7713 if (CHECK(test_btf_size != expect_btf_size, 7714 "test_btf_size:%u != expect_btf_size:%u", 7715 test_btf_size, expect_btf_size)) { 7716 err = -1; 7717 goto done; 7718 } 7719 7720 test_hdr = test_btf_data; 7721 test_strs = test_btf_data + sizeof(*test_hdr) + test_hdr->str_off; 7722 expect_hdr = expect_btf_data; 7723 expect_strs = expect_btf_data + sizeof(*test_hdr) + expect_hdr->str_off; 7724 if (CHECK(test_hdr->str_len != expect_hdr->str_len, 7725 "test_hdr->str_len:%u != expect_hdr->str_len:%u", 7726 test_hdr->str_len, expect_hdr->str_len)) { 7727 fprintf(stderr, "\ntest strings:\n"); 7728 dump_btf_strings(test_strs, test_hdr->str_len); 7729 fprintf(stderr, "\nexpected strings:\n"); 7730 dump_btf_strings(expect_strs, expect_hdr->str_len); 7731 err = -1; 7732 goto done; 7733 } 7734 7735 expect_str_cur = expect_strs; 7736 expect_str_end = expect_strs + expect_hdr->str_len; 7737 while (expect_str_cur < expect_str_end) { 7738 size_t test_len, expect_len; 7739 int off; 7740 7741 off = btf__find_str(test_btf, expect_str_cur); 7742 if (CHECK(off < 0, "exp str '%s' not found: %d\n", expect_str_cur, off)) { 7743 err = -1; 7744 goto done; 7745 } 7746 test_str_cur = btf__str_by_offset(test_btf, off); 7747 7748 test_len = strlen(test_str_cur); 7749 expect_len = strlen(expect_str_cur); 7750 if (CHECK(test_len != expect_len, 7751 "test_len:%zu != expect_len:%zu " 7752 "(test_str:%s, expect_str:%s)", 7753 test_len, expect_len, test_str_cur, expect_str_cur)) { 7754 err = -1; 7755 goto done; 7756 } 7757 if (CHECK(strcmp(test_str_cur, expect_str_cur), 7758 "test_str:%s != expect_str:%s", 7759 test_str_cur, expect_str_cur)) { 7760 err = -1; 7761 goto done; 7762 } 7763 expect_str_cur += expect_len + 1; 7764 } 7765 7766 test_nr_types = btf__type_cnt(test_btf); 7767 expect_nr_types = btf__type_cnt(expect_btf); 7768 if (CHECK(test_nr_types != expect_nr_types, 7769 "test_nr_types:%u != expect_nr_types:%u", 7770 test_nr_types, expect_nr_types)) { 7771 err = -1; 7772 goto done; 7773 } 7774 7775 for (i = 1; i < test_nr_types; i++) { 7776 const struct btf_type *test_type, *expect_type; 7777 int test_size, expect_size; 7778 7779 test_type = btf__type_by_id(test_btf, i); 7780 expect_type = btf__type_by_id(expect_btf, i); 7781 test_size = btf_type_size(test_type); 7782 expect_size = btf_type_size(expect_type); 7783 7784 if (CHECK(test_size != expect_size, 7785 "type #%d: test_size:%d != expect_size:%u", 7786 i, test_size, expect_size)) { 7787 err = -1; 7788 goto done; 7789 } 7790 if (CHECK(btf_kind(test_type) != btf_kind(expect_type), 7791 "type %d kind: exp %d != got %u\n", 7792 i, btf_kind(expect_type), btf_kind(test_type))) { 7793 err = -1; 7794 goto done; 7795 } 7796 if (CHECK(test_type->info != expect_type->info, 7797 "type %d info: exp %d != got %u\n", 7798 i, expect_type->info, test_type->info)) { 7799 err = -1; 7800 goto done; 7801 } 7802 if (CHECK(test_type->size != expect_type->size, 7803 "type %d size/type: exp %d != got %u\n", 7804 i, expect_type->size, test_type->size)) { 7805 err = -1; 7806 goto done; 7807 } 7808 } 7809 7810 done: 7811 btf__free(test_btf); 7812 btf__free(expect_btf); 7813 } 7814 7815 void test_btf(void) 7816 { 7817 int i; 7818 7819 always_log = env.verbosity > VERBOSE_NONE; 7820 7821 for (i = 1; i <= ARRAY_SIZE(raw_tests); i++) 7822 do_test_raw(i); 7823 for (i = 1; i <= ARRAY_SIZE(get_info_tests); i++) 7824 do_test_get_info(i); 7825 for (i = 1; i <= ARRAY_SIZE(file_tests); i++) 7826 do_test_file(i); 7827 for (i = 1; i <= ARRAY_SIZE(info_raw_tests); i++) 7828 do_test_info_raw(i); 7829 for (i = 1; i <= ARRAY_SIZE(dedup_tests); i++) 7830 do_test_dedup(i); 7831 test_pprint(); 7832 } 7833