| 1 | // SPDX-License-Identifier: MIT |
| 2 | /* |
| 3 | * Copyright 2022 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 4 | */ |
| 5 | |
| 6 | #include <stdint.h> |
| 7 | #include <inttypes.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <stdio.h> |
| 10 | #include <stdbool.h> |
| 11 | #include <string.h> |
| 12 | #include <iconv.h> |
| 13 | |
| 14 | #include <side/trace.h> |
| 15 | |
| 16 | enum tracer_display_base { |
| 17 | TRACER_DISPLAY_BASE_2, |
| 18 | TRACER_DISPLAY_BASE_8, |
| 19 | TRACER_DISPLAY_BASE_10, |
| 20 | TRACER_DISPLAY_BASE_16, |
| 21 | }; |
| 22 | |
| 23 | union int64_value { |
| 24 | uint64_t u; |
| 25 | int64_t s; |
| 26 | }; |
| 27 | |
| 28 | static struct side_tracer_handle *tracer_handle; |
| 29 | |
| 30 | static |
| 31 | void tracer_print_struct(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec); |
| 32 | static |
| 33 | void tracer_print_variant(const struct side_type *type_desc, const struct side_arg_variant *side_arg_variant); |
| 34 | static |
| 35 | void tracer_print_array(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec); |
| 36 | static |
| 37 | void tracer_print_vla(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec); |
| 38 | static |
| 39 | void tracer_print_vla_visitor(const struct side_type *type_desc, void *app_ctx); |
| 40 | static |
| 41 | void tracer_print_dynamic(const struct side_arg *dynamic_item); |
| 42 | static |
| 43 | uint32_t tracer_print_gather_bool_type(const struct side_type_gather *type_gather, const void *_ptr); |
| 44 | static |
| 45 | uint32_t tracer_print_gather_byte_type(const struct side_type_gather *type_gather, const void *_ptr); |
| 46 | static |
| 47 | uint32_t tracer_print_gather_integer_type(const struct side_type_gather *type_gather, const void *_ptr, |
| 48 | enum tracer_display_base default_base); |
| 49 | static |
| 50 | uint32_t tracer_print_gather_float_type(const struct side_type_gather *type_gather, const void *_ptr); |
| 51 | static |
| 52 | uint32_t tracer_print_gather_string_type(const struct side_type_gather *type_gather, const void *_ptr); |
| 53 | static |
| 54 | uint32_t tracer_print_gather_enum_type(const struct side_type_gather *type_gather, const void *_ptr); |
| 55 | static |
| 56 | uint32_t tracer_print_gather_struct(const struct side_type_gather *type_gather, const void *_ptr); |
| 57 | static |
| 58 | uint32_t tracer_print_gather_array(const struct side_type_gather *type_gather, const void *_ptr); |
| 59 | static |
| 60 | uint32_t tracer_print_gather_vla(const struct side_type_gather *type_gather, const void *_ptr, |
| 61 | const void *_length_ptr); |
| 62 | static |
| 63 | void tracer_print_type(const struct side_type *type_desc, const struct side_arg *item); |
| 64 | |
| 65 | static |
| 66 | void tracer_convert_string_to_utf8(const void *p, uint8_t unit_size, enum side_type_label_byte_order byte_order, |
| 67 | size_t *strlen_with_null, |
| 68 | char **output_str) |
| 69 | { |
| 70 | size_t ret, inbytesleft = 0, outbytesleft, bufsize; |
| 71 | const char *str = p, *fromcode; |
| 72 | char *inbuf = (char *) p, *outbuf, *buf; |
| 73 | iconv_t cd; |
| 74 | |
| 75 | switch (unit_size) { |
| 76 | case 1: |
| 77 | if (strlen_with_null) |
| 78 | *strlen_with_null = strlen(str) + 1; |
| 79 | *output_str = (char *) str; |
| 80 | return; |
| 81 | case 2: |
| 82 | { |
| 83 | const uint16_t *p16 = p; |
| 84 | |
| 85 | switch (byte_order) { |
| 86 | case SIDE_TYPE_BYTE_ORDER_LE: |
| 87 | { |
| 88 | fromcode = "UTF-16LE"; |
| 89 | break; |
| 90 | } |
| 91 | case SIDE_TYPE_BYTE_ORDER_BE: |
| 92 | { |
| 93 | fromcode = "UTF-16BE"; |
| 94 | break; |
| 95 | } |
| 96 | default: |
| 97 | fprintf(stderr, "Unknown byte order\n"); |
| 98 | abort(); |
| 99 | } |
| 100 | for (; *p16; p16++) |
| 101 | inbytesleft += 2; |
| 102 | /* |
| 103 | * Worse case is U+FFFF UTF-16 (2 bytes) converting to |
| 104 | * { ef, bf, bf } UTF-8 (3 bytes). |
| 105 | */ |
| 106 | bufsize = inbytesleft / 2 * 3 + 1; |
| 107 | break; |
| 108 | } |
| 109 | case 4: |
| 110 | { |
| 111 | const uint32_t *p32 = p; |
| 112 | |
| 113 | switch (byte_order) { |
| 114 | case SIDE_TYPE_BYTE_ORDER_LE: |
| 115 | { |
| 116 | fromcode = "UTF-32LE"; |
| 117 | break; |
| 118 | } |
| 119 | case SIDE_TYPE_BYTE_ORDER_BE: |
| 120 | { |
| 121 | fromcode = "UTF-32BE"; |
| 122 | break; |
| 123 | } |
| 124 | default: |
| 125 | fprintf(stderr, "Unknown byte order\n"); |
| 126 | abort(); |
| 127 | } |
| 128 | for (; *p32; p32++) |
| 129 | inbytesleft += 4; |
| 130 | /* |
| 131 | * Each 4-byte UTF-32 character converts to at most a |
| 132 | * 4-byte UTF-8 character. |
| 133 | */ |
| 134 | bufsize = inbytesleft + 1; |
| 135 | break; |
| 136 | } |
| 137 | default: |
| 138 | fprintf(stderr, "Unknown string unit size %" PRIu8 "\n", unit_size); |
| 139 | abort(); |
| 140 | } |
| 141 | |
| 142 | cd = iconv_open("UTF8", fromcode); |
| 143 | if (cd == (iconv_t) -1) { |
| 144 | perror("iconv_open"); |
| 145 | abort(); |
| 146 | } |
| 147 | buf = malloc(bufsize); |
| 148 | if (!buf) { |
| 149 | abort(); |
| 150 | } |
| 151 | outbuf = (char *) buf; |
| 152 | outbytesleft = bufsize; |
| 153 | ret = iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft); |
| 154 | if (ret == (size_t) -1) { |
| 155 | perror("iconv"); |
| 156 | abort(); |
| 157 | } |
| 158 | if (inbytesleft) { |
| 159 | fprintf(stderr, "Buffer too small to convert string input\n"); |
| 160 | abort(); |
| 161 | } |
| 162 | (*outbuf++) = '\0'; |
| 163 | if (iconv_close(cd) == -1) { |
| 164 | perror("iconv_close"); |
| 165 | abort(); |
| 166 | } |
| 167 | if (strlen_with_null) |
| 168 | *strlen_with_null = outbuf - buf; |
| 169 | *output_str = buf; |
| 170 | } |
| 171 | |
| 172 | static |
| 173 | void tracer_print_string(const void *p, uint8_t unit_size, enum side_type_label_byte_order byte_order, |
| 174 | size_t *strlen_with_null) |
| 175 | { |
| 176 | char *output_str = NULL; |
| 177 | |
| 178 | tracer_convert_string_to_utf8(p, unit_size, byte_order, strlen_with_null, &output_str); |
| 179 | printf("\"%s\"", output_str); |
| 180 | if (output_str != p) |
| 181 | free(output_str); |
| 182 | } |
| 183 | |
| 184 | static |
| 185 | int64_t get_attr_integer_value(const struct side_attr *attr) |
| 186 | { |
| 187 | int64_t val; |
| 188 | |
| 189 | switch (attr->value.type) { |
| 190 | case SIDE_ATTR_TYPE_U8: |
| 191 | val = attr->value.u.integer_value.side_u8; |
| 192 | break; |
| 193 | case SIDE_ATTR_TYPE_U16: |
| 194 | val = attr->value.u.integer_value.side_u16; |
| 195 | break; |
| 196 | case SIDE_ATTR_TYPE_U32: |
| 197 | val = attr->value.u.integer_value.side_u32; |
| 198 | break; |
| 199 | case SIDE_ATTR_TYPE_U64: |
| 200 | val = attr->value.u.integer_value.side_u64; |
| 201 | break; |
| 202 | case SIDE_ATTR_TYPE_S8: |
| 203 | val = attr->value.u.integer_value.side_s8; |
| 204 | break; |
| 205 | case SIDE_ATTR_TYPE_S16: |
| 206 | val = attr->value.u.integer_value.side_s16; |
| 207 | break; |
| 208 | case SIDE_ATTR_TYPE_S32: |
| 209 | val = attr->value.u.integer_value.side_s32; |
| 210 | break; |
| 211 | case SIDE_ATTR_TYPE_S64: |
| 212 | val = attr->value.u.integer_value.side_s64; |
| 213 | break; |
| 214 | default: |
| 215 | fprintf(stderr, "Unexpected attribute type\n"); |
| 216 | abort(); |
| 217 | } |
| 218 | return val; |
| 219 | } |
| 220 | |
| 221 | static |
| 222 | enum tracer_display_base get_attr_display_base(const struct side_attr *_attr, uint32_t nr_attr, |
| 223 | enum tracer_display_base default_base) |
| 224 | { |
| 225 | uint32_t i; |
| 226 | |
| 227 | for (i = 0; i < nr_attr; i++) { |
| 228 | const struct side_attr *attr = &_attr[i]; |
| 229 | char *utf8_str = NULL; |
| 230 | bool cmp; |
| 231 | |
| 232 | tracer_convert_string_to_utf8(side_ptr_get(attr->key.p), attr->key.unit_size, |
| 233 | attr->key.byte_order, NULL, &utf8_str); |
| 234 | cmp = strcmp(utf8_str, "std.integer.base"); |
| 235 | if (utf8_str != side_ptr_get(attr->key.p)) |
| 236 | free(utf8_str); |
| 237 | if (!cmp) { |
| 238 | int64_t val = get_attr_integer_value(attr); |
| 239 | |
| 240 | switch (val) { |
| 241 | case 2: |
| 242 | return TRACER_DISPLAY_BASE_2; |
| 243 | case 8: |
| 244 | return TRACER_DISPLAY_BASE_8; |
| 245 | case 10: |
| 246 | return TRACER_DISPLAY_BASE_10; |
| 247 | case 16: |
| 248 | return TRACER_DISPLAY_BASE_16; |
| 249 | default: |
| 250 | fprintf(stderr, "Unexpected integer display base: %" PRId64 "\n", val); |
| 251 | abort(); |
| 252 | } |
| 253 | } |
| 254 | } |
| 255 | return default_base; /* Default */ |
| 256 | } |
| 257 | |
| 258 | static |
| 259 | void tracer_print_attr_type(const char *separator, const struct side_attr *attr) |
| 260 | { |
| 261 | char *utf8_str = NULL; |
| 262 | |
| 263 | tracer_convert_string_to_utf8(side_ptr_get(attr->key.p), attr->key.unit_size, |
| 264 | attr->key.byte_order, NULL, &utf8_str); |
| 265 | printf("{ key%s \"%s\", value%s ", separator, utf8_str, separator); |
| 266 | if (utf8_str != side_ptr_get(attr->key.p)) |
| 267 | free(utf8_str); |
| 268 | switch (attr->value.type) { |
| 269 | case SIDE_ATTR_TYPE_BOOL: |
| 270 | printf("%s", attr->value.u.bool_value ? "true" : "false"); |
| 271 | break; |
| 272 | case SIDE_ATTR_TYPE_U8: |
| 273 | printf("%" PRIu8, attr->value.u.integer_value.side_u8); |
| 274 | break; |
| 275 | case SIDE_ATTR_TYPE_U16: |
| 276 | printf("%" PRIu16, attr->value.u.integer_value.side_u16); |
| 277 | break; |
| 278 | case SIDE_ATTR_TYPE_U32: |
| 279 | printf("%" PRIu32, attr->value.u.integer_value.side_u32); |
| 280 | break; |
| 281 | case SIDE_ATTR_TYPE_U64: |
| 282 | printf("%" PRIu64, attr->value.u.integer_value.side_u64); |
| 283 | break; |
| 284 | case SIDE_ATTR_TYPE_S8: |
| 285 | printf("%" PRId8, attr->value.u.integer_value.side_s8); |
| 286 | break; |
| 287 | case SIDE_ATTR_TYPE_S16: |
| 288 | printf("%" PRId16, attr->value.u.integer_value.side_s16); |
| 289 | break; |
| 290 | case SIDE_ATTR_TYPE_S32: |
| 291 | printf("%" PRId32, attr->value.u.integer_value.side_s32); |
| 292 | break; |
| 293 | case SIDE_ATTR_TYPE_S64: |
| 294 | printf("%" PRId64, attr->value.u.integer_value.side_s64); |
| 295 | break; |
| 296 | case SIDE_ATTR_TYPE_FLOAT_BINARY16: |
| 297 | #if __HAVE_FLOAT16 |
| 298 | printf("%g", (double) attr->value.u.float_value.side_float_binary16); |
| 299 | break; |
| 300 | #else |
| 301 | fprintf(stderr, "ERROR: Unsupported binary16 float type\n"); |
| 302 | abort(); |
| 303 | #endif |
| 304 | case SIDE_ATTR_TYPE_FLOAT_BINARY32: |
| 305 | #if __HAVE_FLOAT32 |
| 306 | printf("%g", (double) attr->value.u.float_value.side_float_binary32); |
| 307 | break; |
| 308 | #else |
| 309 | fprintf(stderr, "ERROR: Unsupported binary32 float type\n"); |
| 310 | abort(); |
| 311 | #endif |
| 312 | case SIDE_ATTR_TYPE_FLOAT_BINARY64: |
| 313 | #if __HAVE_FLOAT64 |
| 314 | printf("%g", (double) attr->value.u.float_value.side_float_binary64); |
| 315 | break; |
| 316 | #else |
| 317 | fprintf(stderr, "ERROR: Unsupported binary64 float type\n"); |
| 318 | abort(); |
| 319 | #endif |
| 320 | case SIDE_ATTR_TYPE_FLOAT_BINARY128: |
| 321 | #if __HAVE_FLOAT128 |
| 322 | printf("%Lg", (long double) attr->value.u.float_value.side_float_binary128); |
| 323 | break; |
| 324 | #else |
| 325 | fprintf(stderr, "ERROR: Unsupported binary128 float type\n"); |
| 326 | abort(); |
| 327 | #endif |
| 328 | case SIDE_ATTR_TYPE_STRING: |
| 329 | tracer_print_string(side_ptr_get(attr->value.u.string_value.p), |
| 330 | attr->value.u.string_value.unit_size, |
| 331 | attr->value.u.string_value.byte_order, NULL); |
| 332 | break; |
| 333 | default: |
| 334 | fprintf(stderr, "ERROR: <UNKNOWN ATTRIBUTE TYPE>"); |
| 335 | abort(); |
| 336 | } |
| 337 | printf(" }"); |
| 338 | } |
| 339 | |
| 340 | static |
| 341 | void print_attributes(const char *prefix_str, const char *separator, |
| 342 | const struct side_attr *attr, uint32_t nr_attr) |
| 343 | { |
| 344 | uint32_t i; |
| 345 | |
| 346 | if (!nr_attr) |
| 347 | return; |
| 348 | printf("%s%s [ ", prefix_str, separator); |
| 349 | for (i = 0; i < nr_attr; i++) { |
| 350 | printf("%s", i ? ", " : ""); |
| 351 | tracer_print_attr_type(separator, &attr[i]); |
| 352 | } |
| 353 | printf(" ]"); |
| 354 | } |
| 355 | |
| 356 | static |
| 357 | union int64_value tracer_load_integer_value(const struct side_type_integer *type_integer, |
| 358 | const union side_integer_value *value, |
| 359 | uint16_t offset_bits, uint16_t *_len_bits) |
| 360 | { |
| 361 | union int64_value v64; |
| 362 | uint16_t len_bits; |
| 363 | bool reverse_bo; |
| 364 | |
| 365 | if (!type_integer->len_bits) |
| 366 | len_bits = type_integer->integer_size * CHAR_BIT; |
| 367 | else |
| 368 | len_bits = type_integer->len_bits; |
| 369 | if (len_bits + offset_bits > type_integer->integer_size * CHAR_BIT) |
| 370 | abort(); |
| 371 | reverse_bo = type_integer->byte_order != SIDE_TYPE_BYTE_ORDER_HOST; |
| 372 | switch (type_integer->integer_size) { |
| 373 | case 1: |
| 374 | if (type_integer->signedness) |
| 375 | v64.s = value->side_s8; |
| 376 | else |
| 377 | v64.u = value->side_u8; |
| 378 | break; |
| 379 | case 2: |
| 380 | if (type_integer->signedness) { |
| 381 | int16_t side_s16; |
| 382 | |
| 383 | side_s16 = value->side_s16; |
| 384 | if (reverse_bo) |
| 385 | side_s16 = side_bswap_16(side_s16); |
| 386 | v64.s = side_s16; |
| 387 | } else { |
| 388 | uint16_t side_u16; |
| 389 | |
| 390 | side_u16 = value->side_u16; |
| 391 | if (reverse_bo) |
| 392 | side_u16 = side_bswap_16(side_u16); |
| 393 | v64.u = side_u16; |
| 394 | } |
| 395 | break; |
| 396 | case 4: |
| 397 | if (type_integer->signedness) { |
| 398 | int32_t side_s32; |
| 399 | |
| 400 | side_s32 = value->side_s32; |
| 401 | if (reverse_bo) |
| 402 | side_s32 = side_bswap_32(side_s32); |
| 403 | v64.s = side_s32; |
| 404 | } else { |
| 405 | uint32_t side_u32; |
| 406 | |
| 407 | side_u32 = value->side_u32; |
| 408 | if (reverse_bo) |
| 409 | side_u32 = side_bswap_32(side_u32); |
| 410 | v64.u = side_u32; |
| 411 | } |
| 412 | break; |
| 413 | case 8: |
| 414 | if (type_integer->signedness) { |
| 415 | int64_t side_s64; |
| 416 | |
| 417 | side_s64 = value->side_s64; |
| 418 | if (reverse_bo) |
| 419 | side_s64 = side_bswap_64(side_s64); |
| 420 | v64.s = side_s64; |
| 421 | } else { |
| 422 | uint64_t side_u64; |
| 423 | |
| 424 | side_u64 = value->side_u64; |
| 425 | if (reverse_bo) |
| 426 | side_u64 = side_bswap_64(side_u64); |
| 427 | v64.u = side_u64; |
| 428 | } |
| 429 | break; |
| 430 | default: |
| 431 | abort(); |
| 432 | } |
| 433 | v64.u >>= offset_bits; |
| 434 | if (len_bits < 64) { |
| 435 | v64.u &= (1ULL << len_bits) - 1; |
| 436 | if (type_integer->signedness) { |
| 437 | /* Sign-extend. */ |
| 438 | if (v64.u & (1ULL << (len_bits - 1))) |
| 439 | v64.u |= ~((1ULL << len_bits) - 1); |
| 440 | } |
| 441 | } |
| 442 | if (_len_bits) |
| 443 | *_len_bits = len_bits; |
| 444 | return v64; |
| 445 | } |
| 446 | |
| 447 | static |
| 448 | void print_enum_labels(const struct side_enum_mappings *mappings, union int64_value v64) |
| 449 | { |
| 450 | uint32_t i, print_count = 0; |
| 451 | |
| 452 | printf(", labels: [ "); |
| 453 | for (i = 0; i < mappings->nr_mappings; i++) { |
| 454 | const struct side_enum_mapping *mapping = &mappings->mappings[i]; |
| 455 | |
| 456 | if (mapping->range_end < mapping->range_begin) { |
| 457 | fprintf(stderr, "ERROR: Unexpected enum range: %" PRIu64 "-%" PRIu64 "\n", |
| 458 | mapping->range_begin, mapping->range_end); |
| 459 | abort(); |
| 460 | } |
| 461 | if (v64.s >= mapping->range_begin && v64.s <= mapping->range_end) { |
| 462 | printf("%s", print_count++ ? ", " : ""); |
| 463 | tracer_print_string(side_ptr_get(mapping->label.p), mapping->label.unit_size, mapping->label.byte_order, NULL); |
| 464 | } |
| 465 | } |
| 466 | if (!print_count) |
| 467 | printf("<NO LABEL>"); |
| 468 | printf(" ]"); |
| 469 | } |
| 470 | |
| 471 | static |
| 472 | void tracer_print_enum(const struct side_type *type_desc, const struct side_arg *item) |
| 473 | { |
| 474 | const struct side_enum_mappings *mappings = type_desc->u.side_enum.mappings; |
| 475 | const struct side_type *elem_type = type_desc->u.side_enum.elem_type; |
| 476 | union int64_value v64; |
| 477 | |
| 478 | if (elem_type->type != item->type) { |
| 479 | fprintf(stderr, "ERROR: Unexpected enum element type\n"); |
| 480 | abort(); |
| 481 | } |
| 482 | v64 = tracer_load_integer_value(&elem_type->u.side_integer, |
| 483 | &item->u.side_static.integer_value, 0, NULL); |
| 484 | print_attributes("attr", ":", mappings->attr, mappings->nr_attr); |
| 485 | printf("%s", mappings->nr_attr ? ", " : ""); |
| 486 | tracer_print_type(elem_type, item); |
| 487 | print_enum_labels(mappings, v64); |
| 488 | } |
| 489 | |
| 490 | static |
| 491 | uint32_t elem_type_to_stride(const struct side_type *elem_type) |
| 492 | { |
| 493 | uint32_t stride_bit; |
| 494 | |
| 495 | switch (elem_type->type) { |
| 496 | case SIDE_TYPE_BYTE: |
| 497 | stride_bit = 8; |
| 498 | break; |
| 499 | |
| 500 | case SIDE_TYPE_U8: |
| 501 | case SIDE_TYPE_U16: |
| 502 | case SIDE_TYPE_U32: |
| 503 | case SIDE_TYPE_U64: |
| 504 | case SIDE_TYPE_S8: |
| 505 | case SIDE_TYPE_S16: |
| 506 | case SIDE_TYPE_S32: |
| 507 | case SIDE_TYPE_S64: |
| 508 | return elem_type->u.side_integer.integer_size * CHAR_BIT; |
| 509 | default: |
| 510 | fprintf(stderr, "ERROR: Unexpected enum bitmap element type\n"); |
| 511 | abort(); |
| 512 | } |
| 513 | return stride_bit; |
| 514 | } |
| 515 | |
| 516 | static |
| 517 | void tracer_print_enum_bitmap(const struct side_type *type_desc, |
| 518 | const struct side_arg *item) |
| 519 | { |
| 520 | const struct side_enum_bitmap_mappings *side_enum_mappings = type_desc->u.side_enum_bitmap.mappings; |
| 521 | const struct side_type *enum_elem_type = type_desc->u.side_enum_bitmap.elem_type, *elem_type; |
| 522 | uint32_t i, print_count = 0, stride_bit, nr_items; |
| 523 | const struct side_arg *array_item; |
| 524 | |
| 525 | switch (enum_elem_type->type) { |
| 526 | case SIDE_TYPE_U8: /* Fall-through */ |
| 527 | case SIDE_TYPE_BYTE: /* Fall-through */ |
| 528 | case SIDE_TYPE_U16: /* Fall-through */ |
| 529 | case SIDE_TYPE_U32: /* Fall-through */ |
| 530 | case SIDE_TYPE_U64: /* Fall-through */ |
| 531 | case SIDE_TYPE_S8: /* Fall-through */ |
| 532 | case SIDE_TYPE_S16: /* Fall-through */ |
| 533 | case SIDE_TYPE_S32: /* Fall-through */ |
| 534 | case SIDE_TYPE_S64: |
| 535 | elem_type = enum_elem_type; |
| 536 | array_item = item; |
| 537 | nr_items = 1; |
| 538 | break; |
| 539 | case SIDE_TYPE_ARRAY: |
| 540 | elem_type = enum_elem_type->u.side_array.elem_type; |
| 541 | array_item = item->u.side_static.side_array->sav; |
| 542 | nr_items = type_desc->u.side_array.length; |
| 543 | break; |
| 544 | case SIDE_TYPE_VLA: |
| 545 | elem_type = enum_elem_type->u.side_vla.elem_type; |
| 546 | array_item = item->u.side_static.side_vla->sav; |
| 547 | nr_items = item->u.side_static.side_vla->len; |
| 548 | break; |
| 549 | default: |
| 550 | fprintf(stderr, "ERROR: Unexpected enum element type\n"); |
| 551 | abort(); |
| 552 | } |
| 553 | stride_bit = elem_type_to_stride(elem_type); |
| 554 | |
| 555 | print_attributes("attr", ":", side_enum_mappings->attr, side_enum_mappings->nr_attr); |
| 556 | printf("%s", side_enum_mappings->nr_attr ? ", " : ""); |
| 557 | printf("labels: [ "); |
| 558 | for (i = 0; i < side_enum_mappings->nr_mappings; i++) { |
| 559 | const struct side_enum_bitmap_mapping *mapping = &side_enum_mappings->mappings[i]; |
| 560 | bool match = false; |
| 561 | uint64_t bit; |
| 562 | |
| 563 | if (mapping->range_end < mapping->range_begin) { |
| 564 | fprintf(stderr, "ERROR: Unexpected enum bitmap range: %" PRIu64 "-%" PRIu64 "\n", |
| 565 | mapping->range_begin, mapping->range_end); |
| 566 | abort(); |
| 567 | } |
| 568 | for (bit = mapping->range_begin; bit <= mapping->range_end; bit++) { |
| 569 | if (bit > (nr_items * stride_bit) - 1) |
| 570 | break; |
| 571 | if (elem_type->type == SIDE_TYPE_BYTE) { |
| 572 | uint8_t v = array_item[bit / 8].u.side_static.byte_value; |
| 573 | if (v & (1ULL << (bit % 8))) { |
| 574 | match = true; |
| 575 | goto match; |
| 576 | } |
| 577 | } else { |
| 578 | union int64_value v64; |
| 579 | |
| 580 | v64 = tracer_load_integer_value(&elem_type->u.side_integer, |
| 581 | &array_item[bit / stride_bit].u.side_static.integer_value, |
| 582 | 0, NULL); |
| 583 | if (v64.u & (1ULL << (bit % stride_bit))) { |
| 584 | match = true; |
| 585 | goto match; |
| 586 | } |
| 587 | } |
| 588 | } |
| 589 | match: |
| 590 | if (match) { |
| 591 | printf("%s", print_count++ ? ", " : ""); |
| 592 | tracer_print_string(side_ptr_get(mapping->label.p), mapping->label.unit_size, mapping->label.byte_order, NULL); |
| 593 | } |
| 594 | } |
| 595 | if (!print_count) |
| 596 | printf("<NO LABEL>"); |
| 597 | printf(" ]"); |
| 598 | } |
| 599 | |
| 600 | static |
| 601 | void print_integer_binary(uint64_t v, int bits) |
| 602 | { |
| 603 | int i; |
| 604 | |
| 605 | printf("0b"); |
| 606 | v <<= 64 - bits; |
| 607 | for (i = 0; i < bits; i++) { |
| 608 | printf("%c", v & (1ULL << 63) ? '1' : '0'); |
| 609 | v <<= 1; |
| 610 | } |
| 611 | } |
| 612 | |
| 613 | static |
| 614 | void tracer_print_type_header(const char *separator, |
| 615 | const struct side_attr *attr, uint32_t nr_attr) |
| 616 | { |
| 617 | print_attributes("attr", separator, attr, nr_attr); |
| 618 | printf("%s", nr_attr ? ", " : ""); |
| 619 | printf("value%s ", separator); |
| 620 | } |
| 621 | |
| 622 | static |
| 623 | void tracer_print_type_bool(const char *separator, |
| 624 | const struct side_type_bool *type_bool, |
| 625 | const union side_bool_value *value, |
| 626 | uint16_t offset_bits) |
| 627 | { |
| 628 | uint32_t len_bits; |
| 629 | bool reverse_bo; |
| 630 | uint64_t v; |
| 631 | |
| 632 | if (!type_bool->len_bits) |
| 633 | len_bits = type_bool->bool_size * CHAR_BIT; |
| 634 | else |
| 635 | len_bits = type_bool->len_bits; |
| 636 | if (len_bits + offset_bits > type_bool->bool_size * CHAR_BIT) |
| 637 | abort(); |
| 638 | reverse_bo = type_bool->byte_order != SIDE_TYPE_BYTE_ORDER_HOST; |
| 639 | switch (type_bool->bool_size) { |
| 640 | case 1: |
| 641 | v = value->side_bool8; |
| 642 | break; |
| 643 | case 2: |
| 644 | { |
| 645 | uint16_t side_u16; |
| 646 | |
| 647 | side_u16 = value->side_bool16; |
| 648 | if (reverse_bo) |
| 649 | side_u16 = side_bswap_16(side_u16); |
| 650 | v = side_u16; |
| 651 | break; |
| 652 | } |
| 653 | case 4: |
| 654 | { |
| 655 | uint32_t side_u32; |
| 656 | |
| 657 | side_u32 = value->side_bool32; |
| 658 | if (reverse_bo) |
| 659 | side_u32 = side_bswap_32(side_u32); |
| 660 | v = side_u32; |
| 661 | break; |
| 662 | } |
| 663 | case 8: |
| 664 | { |
| 665 | uint64_t side_u64; |
| 666 | |
| 667 | side_u64 = value->side_bool64; |
| 668 | if (reverse_bo) |
| 669 | side_u64 = side_bswap_64(side_u64); |
| 670 | v = side_u64; |
| 671 | break; |
| 672 | } |
| 673 | default: |
| 674 | abort(); |
| 675 | } |
| 676 | v >>= offset_bits; |
| 677 | if (len_bits < 64) |
| 678 | v &= (1ULL << len_bits) - 1; |
| 679 | tracer_print_type_header(separator, side_ptr_get(type_bool->attr), type_bool->nr_attr); |
| 680 | printf("%s", v ? "true" : "false"); |
| 681 | } |
| 682 | |
| 683 | static |
| 684 | void tracer_print_type_integer(const char *separator, |
| 685 | const struct side_type_integer *type_integer, |
| 686 | const union side_integer_value *value, |
| 687 | uint16_t offset_bits, |
| 688 | enum tracer_display_base default_base) |
| 689 | { |
| 690 | enum tracer_display_base base; |
| 691 | union int64_value v64; |
| 692 | uint16_t len_bits; |
| 693 | |
| 694 | v64 = tracer_load_integer_value(type_integer, value, offset_bits, &len_bits); |
| 695 | tracer_print_type_header(separator, type_integer->attr, type_integer->nr_attr); |
| 696 | base = get_attr_display_base(type_integer->attr, type_integer->nr_attr, default_base); |
| 697 | switch (base) { |
| 698 | case TRACER_DISPLAY_BASE_2: |
| 699 | print_integer_binary(v64.u, len_bits); |
| 700 | break; |
| 701 | case TRACER_DISPLAY_BASE_8: |
| 702 | /* Clear sign bits beyond len_bits */ |
| 703 | if (len_bits < 64) |
| 704 | v64.u &= (1ULL << len_bits) - 1; |
| 705 | printf("0%" PRIo64, v64.u); |
| 706 | break; |
| 707 | case TRACER_DISPLAY_BASE_10: |
| 708 | if (type_integer->signedness) |
| 709 | printf("%" PRId64, v64.s); |
| 710 | else |
| 711 | printf("%" PRIu64, v64.u); |
| 712 | break; |
| 713 | case TRACER_DISPLAY_BASE_16: |
| 714 | /* Clear sign bits beyond len_bits */ |
| 715 | if (len_bits < 64) |
| 716 | v64.u &= (1ULL << len_bits) - 1; |
| 717 | printf("0x%" PRIx64, v64.u); |
| 718 | break; |
| 719 | default: |
| 720 | abort(); |
| 721 | } |
| 722 | } |
| 723 | |
| 724 | static |
| 725 | void tracer_print_type_float(const char *separator, |
| 726 | const struct side_type_float *type_float, |
| 727 | const union side_float_value *value) |
| 728 | { |
| 729 | bool reverse_bo; |
| 730 | |
| 731 | tracer_print_type_header(separator, type_float->attr, type_float->nr_attr); |
| 732 | reverse_bo = type_float->byte_order != SIDE_TYPE_FLOAT_WORD_ORDER_HOST; |
| 733 | switch (type_float->float_size) { |
| 734 | case 2: |
| 735 | { |
| 736 | #if __HAVE_FLOAT16 |
| 737 | union { |
| 738 | _Float16 f; |
| 739 | uint16_t u; |
| 740 | } float16 = { |
| 741 | .f = value->side_float_binary16, |
| 742 | }; |
| 743 | |
| 744 | if (reverse_bo) |
| 745 | float16.u = side_bswap_16(float16.u); |
| 746 | printf("%g", (double) float16.f); |
| 747 | break; |
| 748 | #else |
| 749 | fprintf(stderr, "ERROR: Unsupported binary16 float type\n"); |
| 750 | abort(); |
| 751 | #endif |
| 752 | } |
| 753 | case 4: |
| 754 | { |
| 755 | #if __HAVE_FLOAT32 |
| 756 | union { |
| 757 | _Float32 f; |
| 758 | uint32_t u; |
| 759 | } float32 = { |
| 760 | .f = value->side_float_binary32, |
| 761 | }; |
| 762 | |
| 763 | if (reverse_bo) |
| 764 | float32.u = side_bswap_32(float32.u); |
| 765 | printf("%g", (double) float32.f); |
| 766 | break; |
| 767 | #else |
| 768 | fprintf(stderr, "ERROR: Unsupported binary32 float type\n"); |
| 769 | abort(); |
| 770 | #endif |
| 771 | } |
| 772 | case 8: |
| 773 | { |
| 774 | #if __HAVE_FLOAT64 |
| 775 | union { |
| 776 | _Float64 f; |
| 777 | uint64_t u; |
| 778 | } float64 = { |
| 779 | .f = value->side_float_binary64, |
| 780 | }; |
| 781 | |
| 782 | if (reverse_bo) |
| 783 | float64.u = side_bswap_64(float64.u); |
| 784 | printf("%g", (double) float64.f); |
| 785 | break; |
| 786 | #else |
| 787 | fprintf(stderr, "ERROR: Unsupported binary64 float type\n"); |
| 788 | abort(); |
| 789 | #endif |
| 790 | } |
| 791 | case 16: |
| 792 | { |
| 793 | #if __HAVE_FLOAT128 |
| 794 | union { |
| 795 | _Float128 f; |
| 796 | char arr[16]; |
| 797 | } float128 = { |
| 798 | .f = value->side_float_binary128, |
| 799 | }; |
| 800 | |
| 801 | if (reverse_bo) |
| 802 | side_bswap_128p(float128.arr); |
| 803 | printf("%Lg", (long double) float128.f); |
| 804 | break; |
| 805 | #else |
| 806 | fprintf(stderr, "ERROR: Unsupported binary128 float type\n"); |
| 807 | abort(); |
| 808 | #endif |
| 809 | } |
| 810 | default: |
| 811 | fprintf(stderr, "ERROR: Unknown float size\n"); |
| 812 | abort(); |
| 813 | } |
| 814 | } |
| 815 | |
| 816 | static |
| 817 | void tracer_print_type(const struct side_type *type_desc, const struct side_arg *item) |
| 818 | { |
| 819 | enum side_type_label type; |
| 820 | |
| 821 | switch (type_desc->type) { |
| 822 | case SIDE_TYPE_ENUM: |
| 823 | switch (item->type) { |
| 824 | case SIDE_TYPE_U8: |
| 825 | case SIDE_TYPE_U16: |
| 826 | case SIDE_TYPE_U32: |
| 827 | case SIDE_TYPE_U64: |
| 828 | case SIDE_TYPE_S8: |
| 829 | case SIDE_TYPE_S16: |
| 830 | case SIDE_TYPE_S32: |
| 831 | case SIDE_TYPE_S64: |
| 832 | break; |
| 833 | default: |
| 834 | fprintf(stderr, "ERROR: type mismatch between description and arguments\n"); |
| 835 | abort(); |
| 836 | break; |
| 837 | } |
| 838 | break; |
| 839 | |
| 840 | case SIDE_TYPE_ENUM_BITMAP: |
| 841 | switch (item->type) { |
| 842 | case SIDE_TYPE_U8: |
| 843 | case SIDE_TYPE_BYTE: |
| 844 | case SIDE_TYPE_U16: |
| 845 | case SIDE_TYPE_U32: |
| 846 | case SIDE_TYPE_U64: |
| 847 | case SIDE_TYPE_ARRAY: |
| 848 | case SIDE_TYPE_VLA: |
| 849 | break; |
| 850 | default: |
| 851 | fprintf(stderr, "ERROR: type mismatch between description and arguments\n"); |
| 852 | abort(); |
| 853 | break; |
| 854 | } |
| 855 | break; |
| 856 | |
| 857 | case SIDE_TYPE_GATHER_ENUM: |
| 858 | switch (item->type) { |
| 859 | case SIDE_TYPE_GATHER_INTEGER: |
| 860 | break; |
| 861 | default: |
| 862 | fprintf(stderr, "ERROR: type mismatch between description and arguments\n"); |
| 863 | abort(); |
| 864 | break; |
| 865 | } |
| 866 | break; |
| 867 | |
| 868 | case SIDE_TYPE_DYNAMIC: |
| 869 | switch (item->type) { |
| 870 | case SIDE_TYPE_DYNAMIC_NULL: |
| 871 | case SIDE_TYPE_DYNAMIC_BOOL: |
| 872 | case SIDE_TYPE_DYNAMIC_INTEGER: |
| 873 | case SIDE_TYPE_DYNAMIC_BYTE: |
| 874 | case SIDE_TYPE_DYNAMIC_POINTER: |
| 875 | case SIDE_TYPE_DYNAMIC_FLOAT: |
| 876 | case SIDE_TYPE_DYNAMIC_STRING: |
| 877 | case SIDE_TYPE_DYNAMIC_STRUCT: |
| 878 | case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR: |
| 879 | case SIDE_TYPE_DYNAMIC_VLA: |
| 880 | case SIDE_TYPE_DYNAMIC_VLA_VISITOR: |
| 881 | break; |
| 882 | default: |
| 883 | fprintf(stderr, "ERROR: Unexpected dynamic type\n"); |
| 884 | abort(); |
| 885 | break; |
| 886 | } |
| 887 | break; |
| 888 | |
| 889 | default: |
| 890 | if (type_desc->type != item->type) { |
| 891 | fprintf(stderr, "ERROR: type mismatch between description and arguments\n"); |
| 892 | abort(); |
| 893 | } |
| 894 | break; |
| 895 | } |
| 896 | |
| 897 | if (type_desc->type == SIDE_TYPE_ENUM || type_desc->type == SIDE_TYPE_ENUM_BITMAP || |
| 898 | type_desc->type == SIDE_TYPE_GATHER_ENUM) |
| 899 | type = (enum side_type_label) type_desc->type; |
| 900 | else |
| 901 | type = (enum side_type_label) item->type; |
| 902 | |
| 903 | printf("{ "); |
| 904 | switch (type) { |
| 905 | /* Stack-copy basic types */ |
| 906 | case SIDE_TYPE_NULL: |
| 907 | tracer_print_type_header(":", side_ptr_get(type_desc->u.side_null.attr), |
| 908 | type_desc->u.side_null.nr_attr); |
| 909 | printf("<NULL TYPE>"); |
| 910 | break; |
| 911 | |
| 912 | case SIDE_TYPE_BOOL: |
| 913 | tracer_print_type_bool(":", &type_desc->u.side_bool, &item->u.side_static.bool_value, 0); |
| 914 | break; |
| 915 | |
| 916 | case SIDE_TYPE_U8: |
| 917 | case SIDE_TYPE_U16: |
| 918 | case SIDE_TYPE_U32: |
| 919 | case SIDE_TYPE_U64: |
| 920 | case SIDE_TYPE_S8: |
| 921 | case SIDE_TYPE_S16: |
| 922 | case SIDE_TYPE_S32: |
| 923 | case SIDE_TYPE_S64: |
| 924 | tracer_print_type_integer(":", &type_desc->u.side_integer, &item->u.side_static.integer_value, 0, |
| 925 | TRACER_DISPLAY_BASE_10); |
| 926 | break; |
| 927 | |
| 928 | case SIDE_TYPE_BYTE: |
| 929 | tracer_print_type_header(":", type_desc->u.side_byte.attr, type_desc->u.side_byte.nr_attr); |
| 930 | printf("0x%" PRIx8, item->u.side_static.byte_value); |
| 931 | break; |
| 932 | |
| 933 | case SIDE_TYPE_POINTER: |
| 934 | tracer_print_type_integer(":", &type_desc->u.side_integer, &item->u.side_static.integer_value, 0, |
| 935 | TRACER_DISPLAY_BASE_16); |
| 936 | break; |
| 937 | |
| 938 | case SIDE_TYPE_FLOAT_BINARY16: |
| 939 | case SIDE_TYPE_FLOAT_BINARY32: |
| 940 | case SIDE_TYPE_FLOAT_BINARY64: |
| 941 | case SIDE_TYPE_FLOAT_BINARY128: |
| 942 | tracer_print_type_float(":", &type_desc->u.side_float, &item->u.side_static.float_value); |
| 943 | break; |
| 944 | |
| 945 | case SIDE_TYPE_STRING_UTF8: |
| 946 | case SIDE_TYPE_STRING_UTF16: |
| 947 | case SIDE_TYPE_STRING_UTF32: |
| 948 | tracer_print_type_header(":", type_desc->u.side_string.attr, type_desc->u.side_string.nr_attr); |
| 949 | tracer_print_string((const void *)(uintptr_t) item->u.side_static.string_value, |
| 950 | type_desc->u.side_string.unit_size, type_desc->u.side_string.byte_order, NULL); |
| 951 | break; |
| 952 | |
| 953 | /* Stack-copy compound types */ |
| 954 | case SIDE_TYPE_STRUCT: |
| 955 | tracer_print_struct(type_desc, item->u.side_static.side_struct); |
| 956 | break; |
| 957 | case SIDE_TYPE_VARIANT: |
| 958 | tracer_print_variant(type_desc, item->u.side_static.side_variant); |
| 959 | break; |
| 960 | case SIDE_TYPE_ARRAY: |
| 961 | tracer_print_array(type_desc, item->u.side_static.side_array); |
| 962 | break; |
| 963 | case SIDE_TYPE_VLA: |
| 964 | tracer_print_vla(type_desc, item->u.side_static.side_vla); |
| 965 | break; |
| 966 | case SIDE_TYPE_VLA_VISITOR: |
| 967 | tracer_print_vla_visitor(type_desc, item->u.side_static.side_vla_app_visitor_ctx); |
| 968 | break; |
| 969 | |
| 970 | /* Stack-copy enumeration types */ |
| 971 | case SIDE_TYPE_ENUM: |
| 972 | tracer_print_enum(type_desc, item); |
| 973 | break; |
| 974 | case SIDE_TYPE_ENUM_BITMAP: |
| 975 | tracer_print_enum_bitmap(type_desc, item); |
| 976 | break; |
| 977 | |
| 978 | /* Gather basic types */ |
| 979 | case SIDE_TYPE_GATHER_BOOL: |
| 980 | (void) tracer_print_gather_bool_type(&type_desc->u.side_gather, item->u.side_static.side_bool_gather_ptr); |
| 981 | break; |
| 982 | case SIDE_TYPE_GATHER_INTEGER: |
| 983 | (void) tracer_print_gather_integer_type(&type_desc->u.side_gather, item->u.side_static.side_integer_gather_ptr, |
| 984 | TRACER_DISPLAY_BASE_10); |
| 985 | break; |
| 986 | case SIDE_TYPE_GATHER_BYTE: |
| 987 | (void) tracer_print_gather_byte_type(&type_desc->u.side_gather, item->u.side_static.side_byte_gather_ptr); |
| 988 | break; |
| 989 | case SIDE_TYPE_GATHER_POINTER: |
| 990 | (void) tracer_print_gather_integer_type(&type_desc->u.side_gather, item->u.side_static.side_integer_gather_ptr, |
| 991 | TRACER_DISPLAY_BASE_16); |
| 992 | break; |
| 993 | case SIDE_TYPE_GATHER_FLOAT: |
| 994 | (void) tracer_print_gather_float_type(&type_desc->u.side_gather, item->u.side_static.side_float_gather_ptr); |
| 995 | break; |
| 996 | case SIDE_TYPE_GATHER_STRING: |
| 997 | (void) tracer_print_gather_string_type(&type_desc->u.side_gather, item->u.side_static.side_string_gather_ptr); |
| 998 | break; |
| 999 | |
| 1000 | /* Gather compound type */ |
| 1001 | case SIDE_TYPE_GATHER_STRUCT: |
| 1002 | (void) tracer_print_gather_struct(&type_desc->u.side_gather, item->u.side_static.side_struct_gather_ptr); |
| 1003 | break; |
| 1004 | case SIDE_TYPE_GATHER_ARRAY: |
| 1005 | (void) tracer_print_gather_array(&type_desc->u.side_gather, item->u.side_static.side_array_gather_ptr); |
| 1006 | break; |
| 1007 | case SIDE_TYPE_GATHER_VLA: |
| 1008 | (void) tracer_print_gather_vla(&type_desc->u.side_gather, item->u.side_static.side_vla_gather.ptr, |
| 1009 | item->u.side_static.side_vla_gather.length_ptr); |
| 1010 | break; |
| 1011 | |
| 1012 | /* Gather enumeration types */ |
| 1013 | case SIDE_TYPE_GATHER_ENUM: |
| 1014 | (void) tracer_print_gather_enum_type(&type_desc->u.side_gather, item->u.side_static.side_integer_gather_ptr); |
| 1015 | break; |
| 1016 | |
| 1017 | /* Dynamic basic types */ |
| 1018 | case SIDE_TYPE_DYNAMIC_NULL: |
| 1019 | case SIDE_TYPE_DYNAMIC_BOOL: |
| 1020 | case SIDE_TYPE_DYNAMIC_INTEGER: |
| 1021 | case SIDE_TYPE_DYNAMIC_BYTE: |
| 1022 | case SIDE_TYPE_DYNAMIC_POINTER: |
| 1023 | case SIDE_TYPE_DYNAMIC_FLOAT: |
| 1024 | case SIDE_TYPE_DYNAMIC_STRING: |
| 1025 | |
| 1026 | /* Dynamic compound types */ |
| 1027 | case SIDE_TYPE_DYNAMIC_STRUCT: |
| 1028 | case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR: |
| 1029 | case SIDE_TYPE_DYNAMIC_VLA: |
| 1030 | case SIDE_TYPE_DYNAMIC_VLA_VISITOR: |
| 1031 | tracer_print_dynamic(item); |
| 1032 | break; |
| 1033 | default: |
| 1034 | fprintf(stderr, "<UNKNOWN TYPE>\n"); |
| 1035 | abort(); |
| 1036 | } |
| 1037 | printf(" }"); |
| 1038 | } |
| 1039 | |
| 1040 | static |
| 1041 | void tracer_print_field(const struct side_event_field *item_desc, const struct side_arg *item) |
| 1042 | { |
| 1043 | printf("%s: ", item_desc->field_name); |
| 1044 | tracer_print_type(&item_desc->side_type, item); |
| 1045 | } |
| 1046 | |
| 1047 | static |
| 1048 | void tracer_print_struct(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec) |
| 1049 | { |
| 1050 | const struct side_arg *sav = side_arg_vec->sav; |
| 1051 | uint32_t i, side_sav_len = side_arg_vec->len; |
| 1052 | |
| 1053 | if (type_desc->u.side_struct->nr_fields != side_sav_len) { |
| 1054 | fprintf(stderr, "ERROR: number of fields mismatch between description and arguments of structure\n"); |
| 1055 | abort(); |
| 1056 | } |
| 1057 | print_attributes("attr", ":", type_desc->u.side_struct->attr, type_desc->u.side_struct->nr_attr); |
| 1058 | printf("%s", type_desc->u.side_struct->nr_attr ? ", " : ""); |
| 1059 | printf("fields: { "); |
| 1060 | for (i = 0; i < side_sav_len; i++) { |
| 1061 | printf("%s", i ? ", " : ""); |
| 1062 | tracer_print_field(&type_desc->u.side_struct->fields[i], &sav[i]); |
| 1063 | } |
| 1064 | printf(" }"); |
| 1065 | } |
| 1066 | |
| 1067 | static |
| 1068 | void tracer_print_variant(const struct side_type *type_desc, const struct side_arg_variant *side_arg_variant) |
| 1069 | { |
| 1070 | const struct side_type_variant *side_type_variant = type_desc->u.side_variant; |
| 1071 | const struct side_type *selector_type = &side_type_variant->selector; |
| 1072 | union int64_value v64; |
| 1073 | uint32_t i; |
| 1074 | |
| 1075 | if (selector_type->type != side_arg_variant->selector.type) { |
| 1076 | fprintf(stderr, "ERROR: Unexpected variant selector type\n"); |
| 1077 | abort(); |
| 1078 | } |
| 1079 | switch (selector_type->type) { |
| 1080 | case SIDE_TYPE_U8: |
| 1081 | case SIDE_TYPE_U16: |
| 1082 | case SIDE_TYPE_U32: |
| 1083 | case SIDE_TYPE_U64: |
| 1084 | case SIDE_TYPE_S8: |
| 1085 | case SIDE_TYPE_S16: |
| 1086 | case SIDE_TYPE_S32: |
| 1087 | case SIDE_TYPE_S64: |
| 1088 | break; |
| 1089 | default: |
| 1090 | fprintf(stderr, "ERROR: Expecting integer variant selector type\n"); |
| 1091 | abort(); |
| 1092 | } |
| 1093 | v64 = tracer_load_integer_value(&selector_type->u.side_integer, |
| 1094 | &side_arg_variant->selector.u.side_static.integer_value, 0, NULL); |
| 1095 | for (i = 0; i < side_type_variant->nr_options; i++) { |
| 1096 | const struct side_variant_option *option = &side_type_variant->options[i]; |
| 1097 | |
| 1098 | if (v64.s >= option->range_begin && v64.s <= option->range_end) { |
| 1099 | tracer_print_type(&option->side_type, &side_arg_variant->option); |
| 1100 | return; |
| 1101 | } |
| 1102 | } |
| 1103 | fprintf(stderr, "ERROR: Variant selector value unknown %" PRId64 "\n", v64.s); |
| 1104 | abort(); |
| 1105 | } |
| 1106 | |
| 1107 | static |
| 1108 | void tracer_print_array(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec) |
| 1109 | { |
| 1110 | const struct side_arg *sav = side_arg_vec->sav; |
| 1111 | uint32_t i, side_sav_len = side_arg_vec->len; |
| 1112 | |
| 1113 | if (type_desc->u.side_array.length != side_sav_len) { |
| 1114 | fprintf(stderr, "ERROR: length mismatch between description and arguments of array\n"); |
| 1115 | abort(); |
| 1116 | } |
| 1117 | print_attributes("attr", ":", type_desc->u.side_array.attr, type_desc->u.side_array.nr_attr); |
| 1118 | printf("%s", type_desc->u.side_array.nr_attr ? ", " : ""); |
| 1119 | printf("elements: "); |
| 1120 | printf("[ "); |
| 1121 | for (i = 0; i < side_sav_len; i++) { |
| 1122 | printf("%s", i ? ", " : ""); |
| 1123 | tracer_print_type(type_desc->u.side_array.elem_type, &sav[i]); |
| 1124 | } |
| 1125 | printf(" ]"); |
| 1126 | } |
| 1127 | |
| 1128 | static |
| 1129 | void tracer_print_vla(const struct side_type *type_desc, const struct side_arg_vec *side_arg_vec) |
| 1130 | { |
| 1131 | const struct side_arg *sav = side_arg_vec->sav; |
| 1132 | uint32_t i, side_sav_len = side_arg_vec->len; |
| 1133 | |
| 1134 | print_attributes("attr", ":", type_desc->u.side_vla.attr, type_desc->u.side_vla.nr_attr); |
| 1135 | printf("%s", type_desc->u.side_vla.nr_attr ? ", " : ""); |
| 1136 | printf("elements: "); |
| 1137 | printf("[ "); |
| 1138 | for (i = 0; i < side_sav_len; i++) { |
| 1139 | printf("%s", i ? ", " : ""); |
| 1140 | tracer_print_type(type_desc->u.side_vla.elem_type, &sav[i]); |
| 1141 | } |
| 1142 | printf(" ]"); |
| 1143 | } |
| 1144 | |
| 1145 | static |
| 1146 | const char *tracer_gather_access(enum side_type_gather_access_mode access_mode, const char *ptr) |
| 1147 | { |
| 1148 | switch (access_mode) { |
| 1149 | case SIDE_TYPE_GATHER_ACCESS_DIRECT: |
| 1150 | return ptr; |
| 1151 | case SIDE_TYPE_GATHER_ACCESS_POINTER: |
| 1152 | /* Dereference pointer */ |
| 1153 | memcpy(&ptr, ptr, sizeof(const char *)); |
| 1154 | return ptr; |
| 1155 | default: |
| 1156 | abort(); |
| 1157 | } |
| 1158 | } |
| 1159 | |
| 1160 | static |
| 1161 | uint32_t tracer_gather_size(enum side_type_gather_access_mode access_mode, uint32_t len) |
| 1162 | { |
| 1163 | switch (access_mode) { |
| 1164 | case SIDE_TYPE_GATHER_ACCESS_DIRECT: |
| 1165 | return len; |
| 1166 | case SIDE_TYPE_GATHER_ACCESS_POINTER: |
| 1167 | return sizeof(void *); |
| 1168 | default: |
| 1169 | abort(); |
| 1170 | } |
| 1171 | } |
| 1172 | |
| 1173 | static |
| 1174 | union int64_value tracer_load_gather_integer_value(const struct side_type_gather_integer *side_integer, |
| 1175 | const void *_ptr) |
| 1176 | { |
| 1177 | enum side_type_gather_access_mode access_mode = |
| 1178 | (enum side_type_gather_access_mode) side_integer->access_mode; |
| 1179 | uint32_t integer_size_bytes = side_integer->type.integer_size; |
| 1180 | const char *ptr = (const char *) _ptr; |
| 1181 | union side_integer_value value; |
| 1182 | |
| 1183 | ptr = tracer_gather_access(access_mode, ptr + side_integer->offset); |
| 1184 | memcpy(&value, ptr, integer_size_bytes); |
| 1185 | return tracer_load_integer_value(&side_integer->type, &value, |
| 1186 | side_integer->offset_bits, NULL); |
| 1187 | } |
| 1188 | |
| 1189 | static |
| 1190 | uint32_t tracer_print_gather_bool_type(const struct side_type_gather *type_gather, const void *_ptr) |
| 1191 | { |
| 1192 | enum side_type_gather_access_mode access_mode = |
| 1193 | (enum side_type_gather_access_mode) type_gather->u.side_bool.access_mode; |
| 1194 | uint32_t bool_size_bytes = type_gather->u.side_bool.type.bool_size; |
| 1195 | const char *ptr = (const char *) _ptr; |
| 1196 | union side_bool_value value; |
| 1197 | |
| 1198 | switch (bool_size_bytes) { |
| 1199 | case 1: |
| 1200 | case 2: |
| 1201 | case 4: |
| 1202 | case 8: |
| 1203 | break; |
| 1204 | default: |
| 1205 | abort(); |
| 1206 | } |
| 1207 | ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_bool.offset); |
| 1208 | memcpy(&value, ptr, bool_size_bytes); |
| 1209 | tracer_print_type_bool(":", &type_gather->u.side_bool.type, &value, |
| 1210 | type_gather->u.side_bool.offset_bits); |
| 1211 | return tracer_gather_size(access_mode, bool_size_bytes); |
| 1212 | } |
| 1213 | |
| 1214 | static |
| 1215 | uint32_t tracer_print_gather_byte_type(const struct side_type_gather *type_gather, const void *_ptr) |
| 1216 | { |
| 1217 | enum side_type_gather_access_mode access_mode = |
| 1218 | (enum side_type_gather_access_mode) type_gather->u.side_byte.access_mode; |
| 1219 | const char *ptr = (const char *) _ptr; |
| 1220 | uint8_t value; |
| 1221 | |
| 1222 | ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_byte.offset); |
| 1223 | memcpy(&value, ptr, 1); |
| 1224 | tracer_print_type_header(":", type_gather->u.side_byte.type.attr, |
| 1225 | type_gather->u.side_byte.type.nr_attr); |
| 1226 | printf("0x%" PRIx8, value); |
| 1227 | return tracer_gather_size(access_mode, 1); |
| 1228 | } |
| 1229 | |
| 1230 | static |
| 1231 | uint32_t tracer_print_gather_integer_type(const struct side_type_gather *type_gather, const void *_ptr, |
| 1232 | enum tracer_display_base default_base) |
| 1233 | { |
| 1234 | enum side_type_gather_access_mode access_mode = |
| 1235 | (enum side_type_gather_access_mode) type_gather->u.side_integer.access_mode; |
| 1236 | uint32_t integer_size_bytes = type_gather->u.side_integer.type.integer_size; |
| 1237 | const char *ptr = (const char *) _ptr; |
| 1238 | union side_integer_value value; |
| 1239 | |
| 1240 | switch (integer_size_bytes) { |
| 1241 | case 1: |
| 1242 | case 2: |
| 1243 | case 4: |
| 1244 | case 8: |
| 1245 | break; |
| 1246 | default: |
| 1247 | abort(); |
| 1248 | } |
| 1249 | ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_integer.offset); |
| 1250 | memcpy(&value, ptr, integer_size_bytes); |
| 1251 | tracer_print_type_integer(":", &type_gather->u.side_integer.type, &value, |
| 1252 | type_gather->u.side_integer.offset_bits, default_base); |
| 1253 | return tracer_gather_size(access_mode, integer_size_bytes); |
| 1254 | } |
| 1255 | |
| 1256 | static |
| 1257 | uint32_t tracer_print_gather_float_type(const struct side_type_gather *type_gather, const void *_ptr) |
| 1258 | { |
| 1259 | enum side_type_gather_access_mode access_mode = |
| 1260 | (enum side_type_gather_access_mode) type_gather->u.side_float.access_mode; |
| 1261 | uint32_t float_size_bytes = type_gather->u.side_float.type.float_size; |
| 1262 | const char *ptr = (const char *) _ptr; |
| 1263 | union side_float_value value; |
| 1264 | |
| 1265 | switch (float_size_bytes) { |
| 1266 | case 2: |
| 1267 | case 4: |
| 1268 | case 8: |
| 1269 | case 16: |
| 1270 | break; |
| 1271 | default: |
| 1272 | abort(); |
| 1273 | } |
| 1274 | ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_float.offset); |
| 1275 | memcpy(&value, ptr, float_size_bytes); |
| 1276 | tracer_print_type_float(":", &type_gather->u.side_float.type, &value); |
| 1277 | return tracer_gather_size(access_mode, float_size_bytes); |
| 1278 | } |
| 1279 | |
| 1280 | static |
| 1281 | uint32_t tracer_print_gather_string_type(const struct side_type_gather *type_gather, const void *_ptr) |
| 1282 | { |
| 1283 | enum side_type_gather_access_mode access_mode = |
| 1284 | (enum side_type_gather_access_mode) type_gather->u.side_string.access_mode; |
| 1285 | const char *ptr = (const char *) _ptr; |
| 1286 | size_t string_len; |
| 1287 | |
| 1288 | ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_string.offset); |
| 1289 | tracer_print_type_header(":", type_gather->u.side_string.type.attr, |
| 1290 | type_gather->u.side_string.type.nr_attr); |
| 1291 | if (ptr) { |
| 1292 | tracer_print_string(ptr, type_gather->u.side_string.type.unit_size, |
| 1293 | type_gather->u.side_string.type.byte_order, &string_len); |
| 1294 | } else { |
| 1295 | printf("<NULL>"); |
| 1296 | string_len = type_gather->u.side_string.type.unit_size; |
| 1297 | } |
| 1298 | return tracer_gather_size(access_mode, string_len); |
| 1299 | } |
| 1300 | |
| 1301 | static |
| 1302 | uint32_t tracer_print_gather_type(const struct side_type *type_desc, const void *ptr) |
| 1303 | { |
| 1304 | uint32_t len; |
| 1305 | |
| 1306 | printf("{ "); |
| 1307 | switch (type_desc->type) { |
| 1308 | /* Gather basic types */ |
| 1309 | case SIDE_TYPE_GATHER_BOOL: |
| 1310 | len = tracer_print_gather_bool_type(&type_desc->u.side_gather, ptr); |
| 1311 | break; |
| 1312 | case SIDE_TYPE_GATHER_INTEGER: |
| 1313 | len = tracer_print_gather_integer_type(&type_desc->u.side_gather, ptr, |
| 1314 | TRACER_DISPLAY_BASE_10); |
| 1315 | break; |
| 1316 | case SIDE_TYPE_GATHER_BYTE: |
| 1317 | len = tracer_print_gather_byte_type(&type_desc->u.side_gather, ptr); |
| 1318 | break; |
| 1319 | case SIDE_TYPE_GATHER_POINTER: |
| 1320 | len = tracer_print_gather_integer_type(&type_desc->u.side_gather, ptr, |
| 1321 | TRACER_DISPLAY_BASE_16); |
| 1322 | break; |
| 1323 | case SIDE_TYPE_GATHER_FLOAT: |
| 1324 | len = tracer_print_gather_float_type(&type_desc->u.side_gather, ptr); |
| 1325 | break; |
| 1326 | case SIDE_TYPE_GATHER_STRING: |
| 1327 | len = tracer_print_gather_string_type(&type_desc->u.side_gather, ptr); |
| 1328 | break; |
| 1329 | |
| 1330 | /* Gather enum types */ |
| 1331 | case SIDE_TYPE_GATHER_ENUM: |
| 1332 | len = tracer_print_gather_enum_type(&type_desc->u.side_gather, ptr); |
| 1333 | break; |
| 1334 | |
| 1335 | /* Gather compound types */ |
| 1336 | case SIDE_TYPE_GATHER_STRUCT: |
| 1337 | len = tracer_print_gather_struct(&type_desc->u.side_gather, ptr); |
| 1338 | break; |
| 1339 | case SIDE_TYPE_GATHER_ARRAY: |
| 1340 | len = tracer_print_gather_array(&type_desc->u.side_gather, ptr); |
| 1341 | break; |
| 1342 | case SIDE_TYPE_GATHER_VLA: |
| 1343 | len = tracer_print_gather_vla(&type_desc->u.side_gather, ptr, ptr); |
| 1344 | break; |
| 1345 | default: |
| 1346 | fprintf(stderr, "<UNKNOWN GATHER TYPE>"); |
| 1347 | abort(); |
| 1348 | } |
| 1349 | printf(" }"); |
| 1350 | return len; |
| 1351 | } |
| 1352 | |
| 1353 | static |
| 1354 | uint32_t tracer_print_gather_enum_type(const struct side_type_gather *type_gather, const void *_ptr) |
| 1355 | { |
| 1356 | const struct side_enum_mappings *mappings = type_gather->u.side_enum.mappings; |
| 1357 | const struct side_type *enum_elem_type = type_gather->u.side_enum.elem_type; |
| 1358 | const struct side_type_gather_integer *side_integer = &enum_elem_type->u.side_gather.u.side_integer; |
| 1359 | enum side_type_gather_access_mode access_mode = |
| 1360 | (enum side_type_gather_access_mode) side_integer->access_mode; |
| 1361 | uint32_t integer_size_bytes = side_integer->type.integer_size; |
| 1362 | const char *ptr = (const char *) _ptr; |
| 1363 | union side_integer_value value; |
| 1364 | union int64_value v64; |
| 1365 | |
| 1366 | switch (integer_size_bytes) { |
| 1367 | case 1: |
| 1368 | case 2: |
| 1369 | case 4: |
| 1370 | case 8: |
| 1371 | break; |
| 1372 | default: |
| 1373 | abort(); |
| 1374 | } |
| 1375 | ptr = tracer_gather_access(access_mode, ptr + side_integer->offset); |
| 1376 | memcpy(&value, ptr, integer_size_bytes); |
| 1377 | v64 = tracer_load_gather_integer_value(side_integer, &value); |
| 1378 | print_attributes("attr", ":", mappings->attr, mappings->nr_attr); |
| 1379 | printf("%s", mappings->nr_attr ? ", " : ""); |
| 1380 | tracer_print_gather_type(enum_elem_type, ptr); |
| 1381 | print_enum_labels(mappings, v64); |
| 1382 | return tracer_gather_size(access_mode, integer_size_bytes); |
| 1383 | } |
| 1384 | |
| 1385 | static |
| 1386 | void tracer_print_gather_field(const struct side_event_field *field, const void *ptr) |
| 1387 | { |
| 1388 | printf("%s: ", field->field_name); |
| 1389 | (void) tracer_print_gather_type(&field->side_type, ptr); |
| 1390 | } |
| 1391 | |
| 1392 | static |
| 1393 | uint32_t tracer_print_gather_struct(const struct side_type_gather *type_gather, const void *_ptr) |
| 1394 | { |
| 1395 | enum side_type_gather_access_mode access_mode = |
| 1396 | (enum side_type_gather_access_mode) type_gather->u.side_struct.access_mode; |
| 1397 | const char *ptr = (const char *) _ptr; |
| 1398 | uint32_t i; |
| 1399 | |
| 1400 | ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_struct.offset); |
| 1401 | print_attributes("attr", ":", type_gather->u.side_struct.type->attr, type_gather->u.side_struct.type->nr_attr); |
| 1402 | printf("%s", type_gather->u.side_struct.type->nr_attr ? ", " : ""); |
| 1403 | printf("fields: { "); |
| 1404 | for (i = 0; i < type_gather->u.side_struct.type->nr_fields; i++) { |
| 1405 | printf("%s", i ? ", " : ""); |
| 1406 | tracer_print_gather_field(&type_gather->u.side_struct.type->fields[i], ptr); |
| 1407 | } |
| 1408 | printf(" }"); |
| 1409 | return tracer_gather_size(access_mode, type_gather->u.side_struct.size); |
| 1410 | } |
| 1411 | |
| 1412 | static |
| 1413 | uint32_t tracer_print_gather_array(const struct side_type_gather *type_gather, const void *_ptr) |
| 1414 | { |
| 1415 | enum side_type_gather_access_mode access_mode = |
| 1416 | (enum side_type_gather_access_mode) type_gather->u.side_array.access_mode; |
| 1417 | const char *ptr = (const char *) _ptr, *orig_ptr; |
| 1418 | uint32_t i; |
| 1419 | |
| 1420 | ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_array.offset); |
| 1421 | orig_ptr = ptr; |
| 1422 | print_attributes("attr", ":", type_gather->u.side_array.type.attr, type_gather->u.side_array.type.nr_attr); |
| 1423 | printf("%s", type_gather->u.side_array.type.nr_attr ? ", " : ""); |
| 1424 | printf("elements: "); |
| 1425 | printf("[ "); |
| 1426 | for (i = 0; i < type_gather->u.side_array.type.length; i++) { |
| 1427 | switch (type_gather->u.side_array.type.elem_type->type) { |
| 1428 | case SIDE_TYPE_GATHER_VLA: |
| 1429 | fprintf(stderr, "<gather VLA only supported within gather structures>\n"); |
| 1430 | abort(); |
| 1431 | default: |
| 1432 | break; |
| 1433 | } |
| 1434 | printf("%s", i ? ", " : ""); |
| 1435 | ptr += tracer_print_gather_type(type_gather->u.side_array.type.elem_type, ptr); |
| 1436 | } |
| 1437 | printf(" ]"); |
| 1438 | return tracer_gather_size(access_mode, ptr - orig_ptr); |
| 1439 | } |
| 1440 | |
| 1441 | static |
| 1442 | uint32_t tracer_print_gather_vla(const struct side_type_gather *type_gather, const void *_ptr, |
| 1443 | const void *_length_ptr) |
| 1444 | { |
| 1445 | enum side_type_gather_access_mode access_mode = |
| 1446 | (enum side_type_gather_access_mode) type_gather->u.side_vla.access_mode; |
| 1447 | const char *ptr = (const char *) _ptr, *orig_ptr; |
| 1448 | const char *length_ptr = (const char *) _length_ptr; |
| 1449 | union int64_value v64; |
| 1450 | uint32_t i, length; |
| 1451 | |
| 1452 | /* Access length */ |
| 1453 | switch (type_gather->u.side_vla.length_type->type) { |
| 1454 | case SIDE_TYPE_GATHER_INTEGER: |
| 1455 | break; |
| 1456 | default: |
| 1457 | fprintf(stderr, "<gather VLA expects integer gather length type>\n"); |
| 1458 | abort(); |
| 1459 | } |
| 1460 | v64 = tracer_load_gather_integer_value(&type_gather->u.side_vla.length_type->u.side_gather.u.side_integer, |
| 1461 | length_ptr); |
| 1462 | length = (uint32_t) v64.u; |
| 1463 | ptr = tracer_gather_access(access_mode, ptr + type_gather->u.side_vla.offset); |
| 1464 | orig_ptr = ptr; |
| 1465 | print_attributes("attr", ":", type_gather->u.side_vla.type.attr, type_gather->u.side_vla.type.nr_attr); |
| 1466 | printf("%s", type_gather->u.side_vla.type.nr_attr ? ", " : ""); |
| 1467 | printf("elements: "); |
| 1468 | printf("[ "); |
| 1469 | for (i = 0; i < length; i++) { |
| 1470 | switch (type_gather->u.side_vla.type.elem_type->type) { |
| 1471 | case SIDE_TYPE_GATHER_VLA: |
| 1472 | fprintf(stderr, "<gather VLA only supported within gather structures>\n"); |
| 1473 | abort(); |
| 1474 | default: |
| 1475 | break; |
| 1476 | } |
| 1477 | printf("%s", i ? ", " : ""); |
| 1478 | ptr += tracer_print_gather_type(type_gather->u.side_vla.type.elem_type, ptr); |
| 1479 | } |
| 1480 | printf(" ]"); |
| 1481 | return tracer_gather_size(access_mode, ptr - orig_ptr); |
| 1482 | } |
| 1483 | |
| 1484 | struct tracer_visitor_priv { |
| 1485 | const struct side_type *elem_type; |
| 1486 | int i; |
| 1487 | }; |
| 1488 | |
| 1489 | static |
| 1490 | enum side_visitor_status tracer_write_elem_cb(const struct side_tracer_visitor_ctx *tracer_ctx, |
| 1491 | const struct side_arg *elem) |
| 1492 | { |
| 1493 | struct tracer_visitor_priv *tracer_priv = (struct tracer_visitor_priv *) tracer_ctx->priv; |
| 1494 | |
| 1495 | printf("%s", tracer_priv->i++ ? ", " : ""); |
| 1496 | tracer_print_type(tracer_priv->elem_type, elem); |
| 1497 | return SIDE_VISITOR_STATUS_OK; |
| 1498 | } |
| 1499 | |
| 1500 | static |
| 1501 | void tracer_print_vla_visitor(const struct side_type *type_desc, void *app_ctx) |
| 1502 | { |
| 1503 | enum side_visitor_status status; |
| 1504 | struct tracer_visitor_priv tracer_priv = { |
| 1505 | .elem_type = type_desc->u.side_vla_visitor.elem_type, |
| 1506 | .i = 0, |
| 1507 | }; |
| 1508 | const struct side_tracer_visitor_ctx tracer_ctx = { |
| 1509 | .write_elem = tracer_write_elem_cb, |
| 1510 | .priv = &tracer_priv, |
| 1511 | }; |
| 1512 | |
| 1513 | print_attributes("attr", ":", type_desc->u.side_vla_visitor.attr, type_desc->u.side_vla_visitor.nr_attr); |
| 1514 | printf("%s", type_desc->u.side_vla_visitor.nr_attr ? ", " : ""); |
| 1515 | printf("elements: "); |
| 1516 | printf("[ "); |
| 1517 | status = type_desc->u.side_vla_visitor.visitor(&tracer_ctx, app_ctx); |
| 1518 | switch (status) { |
| 1519 | case SIDE_VISITOR_STATUS_OK: |
| 1520 | break; |
| 1521 | case SIDE_VISITOR_STATUS_ERROR: |
| 1522 | fprintf(stderr, "ERROR: Visitor error\n"); |
| 1523 | abort(); |
| 1524 | } |
| 1525 | printf(" ]"); |
| 1526 | } |
| 1527 | |
| 1528 | static |
| 1529 | void tracer_print_dynamic_struct(const struct side_arg_dynamic_struct *dynamic_struct) |
| 1530 | { |
| 1531 | const struct side_arg_dynamic_field *fields = dynamic_struct->fields; |
| 1532 | uint32_t i, len = dynamic_struct->len; |
| 1533 | |
| 1534 | print_attributes("attr", "::", dynamic_struct->attr, dynamic_struct->nr_attr); |
| 1535 | printf("%s", dynamic_struct->nr_attr ? ", " : ""); |
| 1536 | printf("fields:: "); |
| 1537 | printf("[ "); |
| 1538 | for (i = 0; i < len; i++) { |
| 1539 | printf("%s", i ? ", " : ""); |
| 1540 | printf("%s:: ", fields[i].field_name); |
| 1541 | tracer_print_dynamic(&fields[i].elem); |
| 1542 | } |
| 1543 | printf(" ]"); |
| 1544 | } |
| 1545 | |
| 1546 | struct tracer_dynamic_struct_visitor_priv { |
| 1547 | int i; |
| 1548 | }; |
| 1549 | |
| 1550 | static |
| 1551 | enum side_visitor_status tracer_dynamic_struct_write_elem_cb( |
| 1552 | const struct side_tracer_dynamic_struct_visitor_ctx *tracer_ctx, |
| 1553 | const struct side_arg_dynamic_field *dynamic_field) |
| 1554 | { |
| 1555 | struct tracer_dynamic_struct_visitor_priv *tracer_priv = |
| 1556 | (struct tracer_dynamic_struct_visitor_priv *) tracer_ctx->priv; |
| 1557 | |
| 1558 | printf("%s", tracer_priv->i++ ? ", " : ""); |
| 1559 | printf("%s:: ", dynamic_field->field_name); |
| 1560 | tracer_print_dynamic(&dynamic_field->elem); |
| 1561 | return SIDE_VISITOR_STATUS_OK; |
| 1562 | } |
| 1563 | |
| 1564 | static |
| 1565 | void tracer_print_dynamic_struct_visitor(const struct side_arg *item) |
| 1566 | { |
| 1567 | enum side_visitor_status status; |
| 1568 | struct tracer_dynamic_struct_visitor_priv tracer_priv = { |
| 1569 | .i = 0, |
| 1570 | }; |
| 1571 | const struct side_tracer_dynamic_struct_visitor_ctx tracer_ctx = { |
| 1572 | .write_field = tracer_dynamic_struct_write_elem_cb, |
| 1573 | .priv = &tracer_priv, |
| 1574 | }; |
| 1575 | void *app_ctx = item->u.side_dynamic.side_dynamic_struct_visitor.app_ctx; |
| 1576 | |
| 1577 | print_attributes("attr", "::", item->u.side_dynamic.side_dynamic_struct_visitor.attr, item->u.side_dynamic.side_dynamic_struct_visitor.nr_attr); |
| 1578 | printf("%s", item->u.side_dynamic.side_dynamic_struct_visitor.nr_attr ? ", " : ""); |
| 1579 | printf("fields:: "); |
| 1580 | printf("[ "); |
| 1581 | status = item->u.side_dynamic.side_dynamic_struct_visitor.visitor(&tracer_ctx, app_ctx); |
| 1582 | switch (status) { |
| 1583 | case SIDE_VISITOR_STATUS_OK: |
| 1584 | break; |
| 1585 | case SIDE_VISITOR_STATUS_ERROR: |
| 1586 | fprintf(stderr, "ERROR: Visitor error\n"); |
| 1587 | abort(); |
| 1588 | } |
| 1589 | printf(" ]"); |
| 1590 | } |
| 1591 | |
| 1592 | static |
| 1593 | void tracer_print_dynamic_vla(const struct side_arg_dynamic_vla *vla) |
| 1594 | { |
| 1595 | const struct side_arg *sav = vla->sav; |
| 1596 | uint32_t i, side_sav_len = vla->len; |
| 1597 | |
| 1598 | print_attributes("attr", "::", vla->attr, vla->nr_attr); |
| 1599 | printf("%s", vla->nr_attr ? ", " : ""); |
| 1600 | printf("elements:: "); |
| 1601 | printf("[ "); |
| 1602 | for (i = 0; i < side_sav_len; i++) { |
| 1603 | printf("%s", i ? ", " : ""); |
| 1604 | tracer_print_dynamic(&sav[i]); |
| 1605 | } |
| 1606 | printf(" ]"); |
| 1607 | } |
| 1608 | |
| 1609 | struct tracer_dynamic_vla_visitor_priv { |
| 1610 | int i; |
| 1611 | }; |
| 1612 | |
| 1613 | static |
| 1614 | enum side_visitor_status tracer_dynamic_vla_write_elem_cb( |
| 1615 | const struct side_tracer_visitor_ctx *tracer_ctx, |
| 1616 | const struct side_arg *elem) |
| 1617 | { |
| 1618 | struct tracer_dynamic_vla_visitor_priv *tracer_priv = |
| 1619 | (struct tracer_dynamic_vla_visitor_priv *) tracer_ctx->priv; |
| 1620 | |
| 1621 | printf("%s", tracer_priv->i++ ? ", " : ""); |
| 1622 | tracer_print_dynamic(elem); |
| 1623 | return SIDE_VISITOR_STATUS_OK; |
| 1624 | } |
| 1625 | |
| 1626 | static |
| 1627 | void tracer_print_dynamic_vla_visitor(const struct side_arg *item) |
| 1628 | { |
| 1629 | enum side_visitor_status status; |
| 1630 | struct tracer_dynamic_vla_visitor_priv tracer_priv = { |
| 1631 | .i = 0, |
| 1632 | }; |
| 1633 | const struct side_tracer_visitor_ctx tracer_ctx = { |
| 1634 | .write_elem = tracer_dynamic_vla_write_elem_cb, |
| 1635 | .priv = &tracer_priv, |
| 1636 | }; |
| 1637 | void *app_ctx = item->u.side_dynamic.side_dynamic_vla_visitor.app_ctx; |
| 1638 | |
| 1639 | print_attributes("attr", "::", item->u.side_dynamic.side_dynamic_vla_visitor.attr, item->u.side_dynamic.side_dynamic_vla_visitor.nr_attr); |
| 1640 | printf("%s", item->u.side_dynamic.side_dynamic_vla_visitor.nr_attr ? ", " : ""); |
| 1641 | printf("elements:: "); |
| 1642 | printf("[ "); |
| 1643 | status = item->u.side_dynamic.side_dynamic_vla_visitor.visitor(&tracer_ctx, app_ctx); |
| 1644 | switch (status) { |
| 1645 | case SIDE_VISITOR_STATUS_OK: |
| 1646 | break; |
| 1647 | case SIDE_VISITOR_STATUS_ERROR: |
| 1648 | fprintf(stderr, "ERROR: Visitor error\n"); |
| 1649 | abort(); |
| 1650 | } |
| 1651 | printf(" ]"); |
| 1652 | } |
| 1653 | |
| 1654 | static |
| 1655 | void tracer_print_dynamic(const struct side_arg *item) |
| 1656 | { |
| 1657 | printf("{ "); |
| 1658 | switch (item->type) { |
| 1659 | /* Dynamic basic types */ |
| 1660 | case SIDE_TYPE_DYNAMIC_NULL: |
| 1661 | tracer_print_type_header("::", side_ptr_get(item->u.side_dynamic.side_null.attr), |
| 1662 | item->u.side_dynamic.side_null.nr_attr); |
| 1663 | printf("<NULL TYPE>"); |
| 1664 | break; |
| 1665 | case SIDE_TYPE_DYNAMIC_BOOL: |
| 1666 | tracer_print_type_bool("::", &item->u.side_dynamic.side_bool.type, &item->u.side_dynamic.side_bool.value, 0); |
| 1667 | break; |
| 1668 | case SIDE_TYPE_DYNAMIC_INTEGER: |
| 1669 | tracer_print_type_integer("::", &item->u.side_dynamic.side_integer.type, &item->u.side_dynamic.side_integer.value, 0, |
| 1670 | TRACER_DISPLAY_BASE_10); |
| 1671 | break; |
| 1672 | case SIDE_TYPE_DYNAMIC_BYTE: |
| 1673 | tracer_print_type_header("::", item->u.side_dynamic.side_byte.type.attr, item->u.side_dynamic.side_byte.type.nr_attr); |
| 1674 | printf("0x%" PRIx8, item->u.side_dynamic.side_byte.value); |
| 1675 | break; |
| 1676 | case SIDE_TYPE_DYNAMIC_POINTER: |
| 1677 | tracer_print_type_integer("::", &item->u.side_dynamic.side_integer.type, &item->u.side_dynamic.side_integer.value, 0, |
| 1678 | TRACER_DISPLAY_BASE_16); |
| 1679 | break; |
| 1680 | case SIDE_TYPE_DYNAMIC_FLOAT: |
| 1681 | tracer_print_type_float("::", &item->u.side_dynamic.side_float.type, |
| 1682 | &item->u.side_dynamic.side_float.value); |
| 1683 | break; |
| 1684 | case SIDE_TYPE_DYNAMIC_STRING: |
| 1685 | tracer_print_type_header("::", item->u.side_dynamic.side_string.type.attr, item->u.side_dynamic.side_string.type.nr_attr); |
| 1686 | tracer_print_string((const char *)(uintptr_t) item->u.side_dynamic.side_string.value, |
| 1687 | item->u.side_dynamic.side_string.type.unit_size, |
| 1688 | item->u.side_dynamic.side_string.type.byte_order, NULL); |
| 1689 | break; |
| 1690 | |
| 1691 | /* Dynamic compound types */ |
| 1692 | case SIDE_TYPE_DYNAMIC_STRUCT: |
| 1693 | tracer_print_dynamic_struct(item->u.side_dynamic.side_dynamic_struct); |
| 1694 | break; |
| 1695 | case SIDE_TYPE_DYNAMIC_STRUCT_VISITOR: |
| 1696 | tracer_print_dynamic_struct_visitor(item); |
| 1697 | break; |
| 1698 | case SIDE_TYPE_DYNAMIC_VLA: |
| 1699 | tracer_print_dynamic_vla(item->u.side_dynamic.side_dynamic_vla); |
| 1700 | break; |
| 1701 | case SIDE_TYPE_DYNAMIC_VLA_VISITOR: |
| 1702 | tracer_print_dynamic_vla_visitor(item); |
| 1703 | break; |
| 1704 | default: |
| 1705 | fprintf(stderr, "<UNKNOWN TYPE>\n"); |
| 1706 | abort(); |
| 1707 | } |
| 1708 | printf(" }"); |
| 1709 | } |
| 1710 | |
| 1711 | static |
| 1712 | void tracer_print_static_fields(const struct side_event_description *desc, |
| 1713 | const struct side_arg_vec *side_arg_vec, |
| 1714 | uint32_t *nr_items) |
| 1715 | { |
| 1716 | const struct side_arg *sav = side_arg_vec->sav; |
| 1717 | uint32_t i, side_sav_len = side_arg_vec->len; |
| 1718 | |
| 1719 | printf("provider: %s, event: %s", desc->provider_name, desc->event_name); |
| 1720 | if (desc->nr_fields != side_sav_len) { |
| 1721 | fprintf(stderr, "ERROR: number of fields mismatch between description and arguments\n"); |
| 1722 | abort(); |
| 1723 | } |
| 1724 | print_attributes(", attr", ":", desc->attr, desc->nr_attr); |
| 1725 | printf("%s", side_sav_len ? ", fields: [ " : ""); |
| 1726 | for (i = 0; i < side_sav_len; i++) { |
| 1727 | printf("%s", i ? ", " : ""); |
| 1728 | tracer_print_field(&desc->fields[i], &sav[i]); |
| 1729 | } |
| 1730 | if (nr_items) |
| 1731 | *nr_items = i; |
| 1732 | if (side_sav_len) |
| 1733 | printf(" ]"); |
| 1734 | } |
| 1735 | |
| 1736 | static |
| 1737 | void tracer_call(const struct side_event_description *desc, |
| 1738 | const struct side_arg_vec *side_arg_vec, |
| 1739 | void *priv __attribute__((unused))) |
| 1740 | { |
| 1741 | uint32_t nr_fields = 0; |
| 1742 | |
| 1743 | tracer_print_static_fields(desc, side_arg_vec, &nr_fields); |
| 1744 | printf("\n"); |
| 1745 | } |
| 1746 | |
| 1747 | static |
| 1748 | void tracer_call_variadic(const struct side_event_description *desc, |
| 1749 | const struct side_arg_vec *side_arg_vec, |
| 1750 | const struct side_arg_dynamic_struct *var_struct, |
| 1751 | void *priv __attribute__((unused))) |
| 1752 | { |
| 1753 | uint32_t nr_fields = 0, i, var_struct_len = var_struct->len; |
| 1754 | |
| 1755 | tracer_print_static_fields(desc, side_arg_vec, &nr_fields); |
| 1756 | |
| 1757 | if (side_unlikely(!(desc->flags & SIDE_EVENT_FLAG_VARIADIC))) { |
| 1758 | fprintf(stderr, "ERROR: unexpected non-variadic event description\n"); |
| 1759 | abort(); |
| 1760 | } |
| 1761 | print_attributes(", attr ", "::", var_struct->attr, var_struct->nr_attr); |
| 1762 | printf("%s", var_struct_len ? ", fields:: [ " : ""); |
| 1763 | for (i = 0; i < var_struct_len; i++, nr_fields++) { |
| 1764 | printf("%s", i ? ", " : ""); |
| 1765 | printf("%s:: ", var_struct->fields[i].field_name); |
| 1766 | tracer_print_dynamic(&var_struct->fields[i].elem); |
| 1767 | } |
| 1768 | if (i) |
| 1769 | printf(" ]"); |
| 1770 | printf("\n"); |
| 1771 | } |
| 1772 | |
| 1773 | static |
| 1774 | void tracer_event_notification(enum side_tracer_notification notif, |
| 1775 | struct side_event_description **events, uint32_t nr_events, |
| 1776 | void *priv __attribute__((unused))) |
| 1777 | { |
| 1778 | uint32_t i; |
| 1779 | int ret; |
| 1780 | |
| 1781 | printf("----------------------------------------------------------\n"); |
| 1782 | printf("Tracer notified of events %s\n", |
| 1783 | notif == SIDE_TRACER_NOTIFICATION_INSERT_EVENTS ? "inserted" : "removed"); |
| 1784 | for (i = 0; i < nr_events; i++) { |
| 1785 | struct side_event_description *event = events[i]; |
| 1786 | |
| 1787 | /* Skip NULL pointers */ |
| 1788 | if (!event) |
| 1789 | continue; |
| 1790 | printf("provider: %s, event: %s\n", |
| 1791 | event->provider_name, event->event_name); |
| 1792 | if (notif == SIDE_TRACER_NOTIFICATION_INSERT_EVENTS) { |
| 1793 | if (event->flags & SIDE_EVENT_FLAG_VARIADIC) { |
| 1794 | ret = side_tracer_callback_variadic_register(event, tracer_call_variadic, NULL); |
| 1795 | if (ret) |
| 1796 | abort(); |
| 1797 | } else { |
| 1798 | ret = side_tracer_callback_register(event, tracer_call, NULL); |
| 1799 | if (ret) |
| 1800 | abort(); |
| 1801 | } |
| 1802 | } else { |
| 1803 | if (event->flags & SIDE_EVENT_FLAG_VARIADIC) { |
| 1804 | ret = side_tracer_callback_variadic_unregister(event, tracer_call_variadic, NULL); |
| 1805 | if (ret) |
| 1806 | abort(); |
| 1807 | } else { |
| 1808 | ret = side_tracer_callback_unregister(event, tracer_call, NULL); |
| 1809 | if (ret) |
| 1810 | abort(); |
| 1811 | } |
| 1812 | } |
| 1813 | } |
| 1814 | printf("----------------------------------------------------------\n"); |
| 1815 | } |
| 1816 | |
| 1817 | static __attribute__((constructor)) |
| 1818 | void tracer_init(void); |
| 1819 | static |
| 1820 | void tracer_init(void) |
| 1821 | { |
| 1822 | tracer_handle = side_tracer_event_notification_register(tracer_event_notification, NULL); |
| 1823 | if (!tracer_handle) |
| 1824 | abort(); |
| 1825 | } |
| 1826 | |
| 1827 | static __attribute__((destructor)) |
| 1828 | void tracer_exit(void); |
| 1829 | static |
| 1830 | void tracer_exit(void) |
| 1831 | { |
| 1832 | side_tracer_event_notification_unregister(tracer_handle); |
| 1833 | } |