| 1 | /* |
| 2 | * event-types.c |
| 3 | * |
| 4 | * Babeltrace CTF Writer |
| 5 | * |
| 6 | * Copyright 2013 EfficiOS Inc. |
| 7 | * |
| 8 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 9 | * |
| 10 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 11 | * of this software and associated documentation files (the "Software"), to deal |
| 12 | * in the Software without restriction, including without limitation the rights |
| 13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 14 | * copies of the Software, and to permit persons to whom the Software is |
| 15 | * furnished to do so, subject to the following conditions: |
| 16 | * |
| 17 | * The above copyright notice and this permission notice shall be included in |
| 18 | * all copies or substantial portions of the Software. |
| 19 | * |
| 20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 26 | * SOFTWARE. |
| 27 | */ |
| 28 | |
| 29 | #include <babeltrace/ctf-writer/event-types.h> |
| 30 | #include <babeltrace/ctf-writer/event-types-internal.h> |
| 31 | #include <babeltrace/ctf-writer/writer-internal.h> |
| 32 | #include <babeltrace/compiler.h> |
| 33 | #include <babeltrace/endian.h> |
| 34 | #include <float.h> |
| 35 | #include <inttypes.h> |
| 36 | |
| 37 | struct range_overlap_query { |
| 38 | int64_t range_start, range_end; |
| 39 | int overlaps; |
| 40 | GQuark mapping_name; |
| 41 | }; |
| 42 | |
| 43 | static |
| 44 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *); |
| 45 | static |
| 46 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_ref *); |
| 47 | static |
| 48 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_ref *); |
| 49 | static |
| 50 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_ref *); |
| 51 | static |
| 52 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_ref *); |
| 53 | static |
| 54 | void bt_ctf_field_type_array_destroy(struct bt_ctf_ref *); |
| 55 | static |
| 56 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_ref *); |
| 57 | static |
| 58 | void bt_ctf_field_type_string_destroy(struct bt_ctf_ref *); |
| 59 | |
| 60 | static |
| 61 | void (* const type_destroy_funcs[])(struct bt_ctf_ref *) = { |
| 62 | [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_destroy, |
| 63 | [CTF_TYPE_ENUM] = |
| 64 | bt_ctf_field_type_enumeration_destroy, |
| 65 | [CTF_TYPE_FLOAT] = |
| 66 | bt_ctf_field_type_floating_point_destroy, |
| 67 | [CTF_TYPE_STRUCT] = bt_ctf_field_type_structure_destroy, |
| 68 | [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_destroy, |
| 69 | [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_destroy, |
| 70 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_destroy, |
| 71 | [CTF_TYPE_STRING] = bt_ctf_field_type_string_destroy, |
| 72 | }; |
| 73 | |
| 74 | static |
| 75 | void generic_field_type_freeze(struct bt_ctf_field_type *); |
| 76 | static |
| 77 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *); |
| 78 | static |
| 79 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *); |
| 80 | static |
| 81 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *); |
| 82 | static |
| 83 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *); |
| 84 | static |
| 85 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *); |
| 86 | |
| 87 | static |
| 88 | type_freeze_func const type_freeze_funcs[] = { |
| 89 | [CTF_TYPE_INTEGER] = generic_field_type_freeze, |
| 90 | [CTF_TYPE_ENUM] = bt_ctf_field_type_enumeration_freeze, |
| 91 | [CTF_TYPE_FLOAT] = generic_field_type_freeze, |
| 92 | [CTF_TYPE_STRUCT] = bt_ctf_field_type_structure_freeze, |
| 93 | [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_freeze, |
| 94 | [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_freeze, |
| 95 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_freeze, |
| 96 | [CTF_TYPE_STRING] = generic_field_type_freeze, |
| 97 | }; |
| 98 | |
| 99 | static |
| 100 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *, |
| 101 | struct metadata_context *); |
| 102 | static |
| 103 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *, |
| 104 | struct metadata_context *); |
| 105 | static |
| 106 | int bt_ctf_field_type_floating_point_serialize( |
| 107 | struct bt_ctf_field_type *, struct metadata_context *); |
| 108 | static |
| 109 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *, |
| 110 | struct metadata_context *); |
| 111 | static |
| 112 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *, |
| 113 | struct metadata_context *); |
| 114 | static |
| 115 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *, |
| 116 | struct metadata_context *); |
| 117 | static |
| 118 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *, |
| 119 | struct metadata_context *); |
| 120 | static |
| 121 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *, |
| 122 | struct metadata_context *); |
| 123 | |
| 124 | static |
| 125 | type_serialize_func const type_serialize_funcs[] = { |
| 126 | [CTF_TYPE_INTEGER] = bt_ctf_field_type_integer_serialize, |
| 127 | [CTF_TYPE_ENUM] = |
| 128 | bt_ctf_field_type_enumeration_serialize, |
| 129 | [CTF_TYPE_FLOAT] = |
| 130 | bt_ctf_field_type_floating_point_serialize, |
| 131 | [CTF_TYPE_STRUCT] = |
| 132 | bt_ctf_field_type_structure_serialize, |
| 133 | [CTF_TYPE_VARIANT] = bt_ctf_field_type_variant_serialize, |
| 134 | [CTF_TYPE_ARRAY] = bt_ctf_field_type_array_serialize, |
| 135 | [CTF_TYPE_SEQUENCE] = bt_ctf_field_type_sequence_serialize, |
| 136 | [CTF_TYPE_STRING] = bt_ctf_field_type_string_serialize, |
| 137 | }; |
| 138 | |
| 139 | static |
| 140 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *, |
| 141 | int byte_order); |
| 142 | static |
| 143 | void bt_ctf_field_type_floating_point_set_byte_order( |
| 144 | struct bt_ctf_field_type *, int byte_order); |
| 145 | |
| 146 | static |
| 147 | void (* const set_byte_order_funcs[])(struct bt_ctf_field_type *, |
| 148 | int) = { |
| 149 | [CTF_TYPE_INTEGER] = |
| 150 | bt_ctf_field_type_integer_set_byte_order, |
| 151 | [CTF_TYPE_FLOAT] = |
| 152 | bt_ctf_field_type_floating_point_set_byte_order, |
| 153 | [CTF_TYPE_ENUM ... CTF_TYPE_SEQUENCE] = NULL, |
| 154 | }; |
| 155 | |
| 156 | |
| 157 | static |
| 158 | void destroy_enumeration_mapping(struct enumeration_mapping *mapping) |
| 159 | { |
| 160 | g_free(mapping); |
| 161 | } |
| 162 | |
| 163 | static |
| 164 | void destroy_structure_field(struct structure_field *field) |
| 165 | { |
| 166 | if (field->type) { |
| 167 | bt_ctf_field_type_put(field->type); |
| 168 | } |
| 169 | |
| 170 | g_free(field); |
| 171 | } |
| 172 | |
| 173 | static |
| 174 | void check_ranges_overlap(gpointer element, gpointer query) |
| 175 | { |
| 176 | struct enumeration_mapping *mapping = element; |
| 177 | struct range_overlap_query *overlap_query = query; |
| 178 | |
| 179 | if (mapping->range_start <= overlap_query->range_end |
| 180 | && overlap_query->range_start <= mapping->range_end) { |
| 181 | overlap_query->overlaps = 1; |
| 182 | overlap_query->mapping_name = mapping->string; |
| 183 | } |
| 184 | |
| 185 | overlap_query->overlaps |= |
| 186 | mapping->string == overlap_query->mapping_name; |
| 187 | } |
| 188 | |
| 189 | static |
| 190 | void bt_ctf_field_type_init(struct bt_ctf_field_type *type) |
| 191 | { |
| 192 | enum ctf_type_id type_id = type->declaration->id; |
| 193 | int ret; |
| 194 | |
| 195 | assert(type && (type_id > CTF_TYPE_UNKNOWN) && |
| 196 | (type_id < NR_CTF_TYPES)); |
| 197 | |
| 198 | bt_ctf_ref_init(&type->ref_count); |
| 199 | type->freeze = type_freeze_funcs[type_id]; |
| 200 | type->serialize = type_serialize_funcs[type_id]; |
| 201 | ret = bt_ctf_field_type_set_byte_order(type, BT_CTF_BYTE_ORDER_NATIVE); |
| 202 | assert(!ret); |
| 203 | type->declaration->alignment = 1; |
| 204 | } |
| 205 | |
| 206 | static |
| 207 | int add_structure_field(GPtrArray *fields, |
| 208 | GHashTable *field_name_to_index, |
| 209 | struct bt_ctf_field_type *field_type, |
| 210 | const char *field_name) |
| 211 | { |
| 212 | int ret = 0; |
| 213 | GQuark name_quark = g_quark_from_string(field_name); |
| 214 | struct structure_field *field; |
| 215 | |
| 216 | /* Make sure structure does not contain a field of the same name */ |
| 217 | if (g_hash_table_lookup_extended(field_name_to_index, |
| 218 | GUINT_TO_POINTER(name_quark), NULL, NULL)) { |
| 219 | ret = -1; |
| 220 | goto end; |
| 221 | } |
| 222 | |
| 223 | field = g_new0(struct structure_field, 1); |
| 224 | if (!field) { |
| 225 | ret = -1; |
| 226 | goto end; |
| 227 | } |
| 228 | |
| 229 | bt_ctf_field_type_get(field_type); |
| 230 | field->name = name_quark; |
| 231 | field->type = field_type; |
| 232 | g_hash_table_insert(field_name_to_index, |
| 233 | (gpointer) (unsigned long) name_quark, |
| 234 | (gpointer) (unsigned long) fields->len); |
| 235 | g_ptr_array_add(fields, field); |
| 236 | bt_ctf_field_type_freeze(field_type); |
| 237 | end: |
| 238 | return ret; |
| 239 | } |
| 240 | |
| 241 | struct bt_ctf_field_type *bt_ctf_field_type_integer_create(unsigned int size) |
| 242 | { |
| 243 | struct bt_ctf_field_type_integer *integer = |
| 244 | g_new0(struct bt_ctf_field_type_integer, 1); |
| 245 | |
| 246 | if (!integer || size > 64) { |
| 247 | return NULL; |
| 248 | } |
| 249 | |
| 250 | integer->parent.declaration = &integer->declaration.p; |
| 251 | integer->parent.declaration->id = CTF_TYPE_INTEGER; |
| 252 | integer->declaration.len = size; |
| 253 | integer->declaration.base = BT_CTF_INTEGER_BASE_DECIMAL; |
| 254 | integer->declaration.encoding = CTF_STRING_NONE; |
| 255 | bt_ctf_field_type_init(&integer->parent); |
| 256 | return &integer->parent; |
| 257 | } |
| 258 | |
| 259 | int bt_ctf_field_type_integer_set_signed(struct bt_ctf_field_type *type, |
| 260 | int is_signed) |
| 261 | { |
| 262 | int ret = 0; |
| 263 | struct bt_ctf_field_type_integer *integer; |
| 264 | |
| 265 | if (!type || type->frozen || |
| 266 | type->declaration->id != CTF_TYPE_INTEGER) { |
| 267 | ret = -1; |
| 268 | goto end; |
| 269 | } |
| 270 | |
| 271 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 272 | if (is_signed && integer->declaration.len <= 1) { |
| 273 | ret = -1; |
| 274 | goto end; |
| 275 | } |
| 276 | |
| 277 | integer->declaration.signedness = !!is_signed; |
| 278 | end: |
| 279 | return ret; |
| 280 | } |
| 281 | |
| 282 | int bt_ctf_field_type_integer_set_base(struct bt_ctf_field_type *type, |
| 283 | enum bt_ctf_integer_base base) |
| 284 | { |
| 285 | int ret = 0; |
| 286 | |
| 287 | if (!type || type->frozen || |
| 288 | type->declaration->id != CTF_TYPE_INTEGER) { |
| 289 | ret = -1; |
| 290 | goto end; |
| 291 | } |
| 292 | |
| 293 | switch (base) { |
| 294 | case BT_CTF_INTEGER_BASE_BINARY: |
| 295 | case BT_CTF_INTEGER_BASE_OCTAL: |
| 296 | case BT_CTF_INTEGER_BASE_DECIMAL: |
| 297 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: |
| 298 | { |
| 299 | struct bt_ctf_field_type_integer *integer = container_of(type, |
| 300 | struct bt_ctf_field_type_integer, parent); |
| 301 | integer->declaration.base = base; |
| 302 | break; |
| 303 | } |
| 304 | default: |
| 305 | ret = -1; |
| 306 | } |
| 307 | end: |
| 308 | return ret; |
| 309 | } |
| 310 | |
| 311 | int bt_ctf_field_type_integer_set_encoding(struct bt_ctf_field_type *type, |
| 312 | enum ctf_string_encoding encoding) |
| 313 | { |
| 314 | int ret = 0; |
| 315 | struct bt_ctf_field_type_integer *integer; |
| 316 | |
| 317 | if (!type || type->frozen || |
| 318 | (type->declaration->id != CTF_TYPE_INTEGER) || |
| 319 | (encoding < CTF_STRING_NONE) || |
| 320 | (encoding >= CTF_STRING_UNKNOWN)) { |
| 321 | ret = -1; |
| 322 | goto end; |
| 323 | } |
| 324 | |
| 325 | integer = container_of(type, struct bt_ctf_field_type_integer, parent); |
| 326 | integer->declaration.encoding = encoding; |
| 327 | end: |
| 328 | return ret; |
| 329 | } |
| 330 | |
| 331 | struct bt_ctf_field_type *bt_ctf_field_type_enumeration_create( |
| 332 | struct bt_ctf_field_type *integer_container_type) |
| 333 | { |
| 334 | struct bt_ctf_field_type_enumeration *enumeration = NULL; |
| 335 | |
| 336 | if (!integer_container_type) { |
| 337 | goto error; |
| 338 | } |
| 339 | |
| 340 | enumeration = g_new0(struct bt_ctf_field_type_enumeration, 1); |
| 341 | if (!enumeration) { |
| 342 | goto error; |
| 343 | } |
| 344 | |
| 345 | enumeration->parent.declaration = &enumeration->declaration.p; |
| 346 | enumeration->parent.declaration->id = CTF_TYPE_ENUM; |
| 347 | bt_ctf_field_type_get(integer_container_type); |
| 348 | enumeration->container = integer_container_type; |
| 349 | enumeration->entries = g_ptr_array_new_with_free_func( |
| 350 | (GDestroyNotify)destroy_enumeration_mapping); |
| 351 | bt_ctf_field_type_init(&enumeration->parent); |
| 352 | return &enumeration->parent; |
| 353 | error: |
| 354 | g_free(enumeration); |
| 355 | return NULL; |
| 356 | } |
| 357 | |
| 358 | int bt_ctf_field_type_enumeration_add_mapping( |
| 359 | struct bt_ctf_field_type *type, const char *string, |
| 360 | int64_t range_start, int64_t range_end) |
| 361 | { |
| 362 | int ret = 0; |
| 363 | GQuark mapping_name; |
| 364 | struct enumeration_mapping *mapping; |
| 365 | struct bt_ctf_field_type_enumeration *enumeration; |
| 366 | struct range_overlap_query query; |
| 367 | |
| 368 | if (!type || (type->declaration->id != CTF_TYPE_ENUM) || |
| 369 | type->frozen || |
| 370 | (range_end < range_start)) { |
| 371 | ret = -1; |
| 372 | goto end; |
| 373 | } |
| 374 | |
| 375 | if (validate_identifier(string)) { |
| 376 | ret = -1; |
| 377 | goto end; |
| 378 | } |
| 379 | |
| 380 | mapping_name = g_quark_from_string(string); |
| 381 | query = (struct range_overlap_query) { .range_start = range_start, |
| 382 | .range_end = range_end, |
| 383 | .mapping_name = mapping_name, |
| 384 | .overlaps = 0 }; |
| 385 | enumeration = container_of(type, struct bt_ctf_field_type_enumeration, |
| 386 | parent); |
| 387 | |
| 388 | /* Check that the range does not overlap with one already present */ |
| 389 | g_ptr_array_foreach(enumeration->entries, check_ranges_overlap, &query); |
| 390 | if (query.overlaps) { |
| 391 | ret = -1; |
| 392 | goto end; |
| 393 | } |
| 394 | |
| 395 | mapping = g_new(struct enumeration_mapping, 1); |
| 396 | if (!mapping) { |
| 397 | ret = -1; |
| 398 | goto end; |
| 399 | } |
| 400 | |
| 401 | *mapping = (struct enumeration_mapping) {.range_start = range_start, |
| 402 | .range_end = range_end, .string = mapping_name}; |
| 403 | g_ptr_array_add(enumeration->entries, mapping); |
| 404 | end: |
| 405 | return ret; |
| 406 | } |
| 407 | |
| 408 | struct bt_ctf_field_type *bt_ctf_field_type_floating_point_create(void) |
| 409 | { |
| 410 | struct bt_ctf_field_type_floating_point *floating_point = |
| 411 | g_new0(struct bt_ctf_field_type_floating_point, 1); |
| 412 | |
| 413 | if (!floating_point) { |
| 414 | goto end; |
| 415 | } |
| 416 | |
| 417 | floating_point->declaration.sign = &floating_point->sign; |
| 418 | floating_point->declaration.mantissa = &floating_point->mantissa; |
| 419 | floating_point->declaration.exp = &floating_point->exp; |
| 420 | floating_point->sign.len = 1; |
| 421 | floating_point->parent.declaration = &floating_point->declaration.p; |
| 422 | floating_point->parent.declaration->id = CTF_TYPE_FLOAT; |
| 423 | floating_point->declaration.exp->len = |
| 424 | sizeof(float) * CHAR_BIT - FLT_MANT_DIG; |
| 425 | floating_point->declaration.mantissa->len = FLT_MANT_DIG - 1; |
| 426 | floating_point->sign.p.alignment = 1; |
| 427 | floating_point->mantissa.p.alignment = 1; |
| 428 | floating_point->exp.p.alignment = 1; |
| 429 | |
| 430 | bt_ctf_field_type_init(&floating_point->parent); |
| 431 | end: |
| 432 | return floating_point ? &floating_point->parent : NULL; |
| 433 | } |
| 434 | |
| 435 | int bt_ctf_field_type_floating_point_set_exponent_digits( |
| 436 | struct bt_ctf_field_type *type, |
| 437 | unsigned int exponent_digits) |
| 438 | { |
| 439 | int ret = 0; |
| 440 | struct bt_ctf_field_type_floating_point *floating_point; |
| 441 | |
| 442 | if (!type || type->frozen || |
| 443 | (type->declaration->id != CTF_TYPE_FLOAT)) { |
| 444 | ret = -1; |
| 445 | goto end; |
| 446 | } |
| 447 | |
| 448 | floating_point = container_of(type, |
| 449 | struct bt_ctf_field_type_floating_point, parent); |
| 450 | if ((exponent_digits != sizeof(float) * CHAR_BIT - FLT_MANT_DIG) && |
| 451 | (exponent_digits != sizeof(double) * CHAR_BIT - DBL_MANT_DIG) && |
| 452 | (exponent_digits != |
| 453 | sizeof(long double) * CHAR_BIT - LDBL_MANT_DIG)) { |
| 454 | ret = -1; |
| 455 | goto end; |
| 456 | } |
| 457 | |
| 458 | floating_point->declaration.exp->len = exponent_digits; |
| 459 | end: |
| 460 | return ret; |
| 461 | } |
| 462 | |
| 463 | int bt_ctf_field_type_floating_point_set_mantissa_digits( |
| 464 | struct bt_ctf_field_type *type, |
| 465 | unsigned int mantissa_digits) |
| 466 | { |
| 467 | int ret = 0; |
| 468 | struct bt_ctf_field_type_floating_point *floating_point; |
| 469 | |
| 470 | if (!type || type->frozen || |
| 471 | (type->declaration->id != CTF_TYPE_FLOAT)) { |
| 472 | ret = -1; |
| 473 | goto end; |
| 474 | } |
| 475 | |
| 476 | floating_point = container_of(type, |
| 477 | struct bt_ctf_field_type_floating_point, parent); |
| 478 | |
| 479 | if ((mantissa_digits != FLT_MANT_DIG) && |
| 480 | (mantissa_digits != DBL_MANT_DIG) && |
| 481 | (mantissa_digits != LDBL_MANT_DIG)) { |
| 482 | ret = -1; |
| 483 | goto end; |
| 484 | } |
| 485 | |
| 486 | floating_point->declaration.mantissa->len = mantissa_digits - 1; |
| 487 | end: |
| 488 | return ret; |
| 489 | } |
| 490 | |
| 491 | struct bt_ctf_field_type *bt_ctf_field_type_structure_create(void) |
| 492 | { |
| 493 | struct bt_ctf_field_type_structure *structure = |
| 494 | g_new0(struct bt_ctf_field_type_structure, 1); |
| 495 | |
| 496 | if (!structure) { |
| 497 | goto error; |
| 498 | } |
| 499 | |
| 500 | structure->parent.declaration = &structure->declaration.p; |
| 501 | structure->parent.declaration->id = CTF_TYPE_STRUCT; |
| 502 | bt_ctf_field_type_init(&structure->parent); |
| 503 | structure->fields = g_ptr_array_new_with_free_func( |
| 504 | (GDestroyNotify)destroy_structure_field); |
| 505 | structure->field_name_to_index = g_hash_table_new(NULL, NULL); |
| 506 | return &structure->parent; |
| 507 | error: |
| 508 | return NULL; |
| 509 | } |
| 510 | |
| 511 | int bt_ctf_field_type_structure_add_field(struct bt_ctf_field_type *type, |
| 512 | struct bt_ctf_field_type *field_type, |
| 513 | const char *field_name) |
| 514 | { |
| 515 | int ret = 0; |
| 516 | struct bt_ctf_field_type_structure *structure; |
| 517 | |
| 518 | if (!type || !field_type || type->frozen || |
| 519 | validate_identifier(field_name) || |
| 520 | (type->declaration->id != CTF_TYPE_STRUCT)) { |
| 521 | goto end; |
| 522 | } |
| 523 | |
| 524 | structure = container_of(type, |
| 525 | struct bt_ctf_field_type_structure, parent); |
| 526 | if (add_structure_field(structure->fields, |
| 527 | structure->field_name_to_index, field_type, field_name)) { |
| 528 | ret = -1; |
| 529 | goto end; |
| 530 | } |
| 531 | |
| 532 | if (type->declaration->alignment < field_type->declaration->alignment) { |
| 533 | type->declaration->alignment = |
| 534 | field_type->declaration->alignment; |
| 535 | } |
| 536 | end: |
| 537 | return ret; |
| 538 | } |
| 539 | |
| 540 | struct bt_ctf_field_type *bt_ctf_field_type_variant_create( |
| 541 | struct bt_ctf_field_type *enum_tag, const char *tag_name) |
| 542 | { |
| 543 | struct bt_ctf_field_type_variant *variant = NULL; |
| 544 | |
| 545 | if (!enum_tag || validate_identifier(tag_name) || |
| 546 | (enum_tag->declaration->id != CTF_TYPE_ENUM)) { |
| 547 | goto error; |
| 548 | } |
| 549 | |
| 550 | variant = g_new0(struct bt_ctf_field_type_variant, 1); |
| 551 | if (!variant) { |
| 552 | goto error; |
| 553 | } |
| 554 | |
| 555 | variant->parent.declaration = &variant->declaration.p; |
| 556 | variant->parent.declaration->id = CTF_TYPE_VARIANT; |
| 557 | variant->tag_name = g_string_new(tag_name); |
| 558 | bt_ctf_field_type_init(&variant->parent); |
| 559 | variant->field_name_to_index = g_hash_table_new(NULL, NULL); |
| 560 | variant->fields = g_ptr_array_new_with_free_func( |
| 561 | (GDestroyNotify)destroy_structure_field); |
| 562 | bt_ctf_field_type_get(enum_tag); |
| 563 | variant->tag = container_of(enum_tag, |
| 564 | struct bt_ctf_field_type_enumeration, parent); |
| 565 | return &variant->parent; |
| 566 | error: |
| 567 | return NULL; |
| 568 | } |
| 569 | |
| 570 | int bt_ctf_field_type_variant_add_field(struct bt_ctf_field_type *type, |
| 571 | struct bt_ctf_field_type *field_type, |
| 572 | const char *field_name) |
| 573 | { |
| 574 | size_t i; |
| 575 | int ret = 0; |
| 576 | int name_found = 0; |
| 577 | struct bt_ctf_field_type_variant *variant; |
| 578 | GQuark field_name_quark = g_quark_from_string(field_name); |
| 579 | |
| 580 | if (!type || !field_type || type->frozen || |
| 581 | validate_identifier(field_name) || |
| 582 | (type->declaration->id != CTF_TYPE_VARIANT)) { |
| 583 | ret = -1; |
| 584 | goto end; |
| 585 | } |
| 586 | |
| 587 | variant = container_of(type, struct bt_ctf_field_type_variant, parent); |
| 588 | /* Make sure this name is present in the enum tag */ |
| 589 | for (i = 0; i < variant->tag->entries->len; i++) { |
| 590 | struct enumeration_mapping *mapping = |
| 591 | g_ptr_array_index(variant->tag->entries, i); |
| 592 | |
| 593 | if (mapping->string == field_name_quark) { |
| 594 | name_found = 1; |
| 595 | break; |
| 596 | } |
| 597 | } |
| 598 | |
| 599 | if (!name_found || add_structure_field(variant->fields, |
| 600 | variant->field_name_to_index, field_type, field_name)) { |
| 601 | ret = -1; |
| 602 | goto end; |
| 603 | } |
| 604 | end: |
| 605 | return ret; |
| 606 | } |
| 607 | |
| 608 | struct bt_ctf_field_type *bt_ctf_field_type_array_create( |
| 609 | struct bt_ctf_field_type *element_type, |
| 610 | unsigned int length) |
| 611 | { |
| 612 | struct bt_ctf_field_type_array *array = NULL; |
| 613 | |
| 614 | if (!element_type || length == 0) { |
| 615 | goto error; |
| 616 | } |
| 617 | |
| 618 | array = g_new0(struct bt_ctf_field_type_array, 1); |
| 619 | if (!array) { |
| 620 | goto error; |
| 621 | } |
| 622 | |
| 623 | array->parent.declaration = &array->declaration.p; |
| 624 | array->parent.declaration->id = CTF_TYPE_ARRAY; |
| 625 | bt_ctf_field_type_init(&array->parent); |
| 626 | bt_ctf_field_type_get(element_type); |
| 627 | array->element_type = element_type; |
| 628 | array->length = length; |
| 629 | array->parent.declaration->alignment = |
| 630 | element_type->declaration->alignment; |
| 631 | return &array->parent; |
| 632 | error: |
| 633 | return NULL; |
| 634 | } |
| 635 | |
| 636 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_create( |
| 637 | struct bt_ctf_field_type *element_type, |
| 638 | const char *length_field_name) |
| 639 | { |
| 640 | struct bt_ctf_field_type_sequence *sequence = NULL; |
| 641 | |
| 642 | if (!element_type || validate_identifier(length_field_name)) { |
| 643 | goto error; |
| 644 | } |
| 645 | |
| 646 | sequence = g_new0(struct bt_ctf_field_type_sequence, 1); |
| 647 | if (!sequence) { |
| 648 | goto error; |
| 649 | } |
| 650 | |
| 651 | sequence->parent.declaration = &sequence->declaration.p; |
| 652 | sequence->parent.declaration->id = CTF_TYPE_SEQUENCE; |
| 653 | bt_ctf_field_type_init(&sequence->parent); |
| 654 | bt_ctf_field_type_get(element_type); |
| 655 | sequence->element_type = element_type; |
| 656 | sequence->length_field_name = g_string_new(length_field_name); |
| 657 | sequence->parent.declaration->alignment = |
| 658 | element_type->declaration->alignment; |
| 659 | return &sequence->parent; |
| 660 | error: |
| 661 | return NULL; |
| 662 | } |
| 663 | |
| 664 | struct bt_ctf_field_type *bt_ctf_field_type_string_create(void) |
| 665 | { |
| 666 | struct bt_ctf_field_type_string *string = |
| 667 | g_new0(struct bt_ctf_field_type_string, 1); |
| 668 | |
| 669 | if (!string) { |
| 670 | return NULL; |
| 671 | } |
| 672 | |
| 673 | string->parent.declaration = &string->declaration.p; |
| 674 | string->parent.declaration->id = CTF_TYPE_STRING; |
| 675 | bt_ctf_field_type_init(&string->parent); |
| 676 | string->declaration.encoding = CTF_STRING_UTF8; |
| 677 | string->parent.declaration->alignment = CHAR_BIT; |
| 678 | return &string->parent; |
| 679 | } |
| 680 | |
| 681 | int bt_ctf_field_type_string_set_encoding( |
| 682 | struct bt_ctf_field_type *type, |
| 683 | enum ctf_string_encoding encoding) |
| 684 | { |
| 685 | int ret = 0; |
| 686 | struct bt_ctf_field_type_string *string; |
| 687 | |
| 688 | if (!type || type->declaration->id != CTF_TYPE_STRING || |
| 689 | (encoding != CTF_STRING_UTF8 && |
| 690 | encoding != CTF_STRING_ASCII)) { |
| 691 | ret = -1; |
| 692 | goto end; |
| 693 | } |
| 694 | |
| 695 | string = container_of(type, struct bt_ctf_field_type_string, parent); |
| 696 | string->declaration.encoding = encoding; |
| 697 | end: |
| 698 | return ret; |
| 699 | } |
| 700 | |
| 701 | int bt_ctf_field_type_set_alignment(struct bt_ctf_field_type *type, |
| 702 | unsigned int alignment) |
| 703 | { |
| 704 | int ret = 0; |
| 705 | |
| 706 | /* Alignment must be bit-aligned (1) or byte aligned */ |
| 707 | if (!type || type->frozen || (alignment != 1 && (alignment & 0x7))) { |
| 708 | ret = -1; |
| 709 | goto end; |
| 710 | } |
| 711 | |
| 712 | if (type->declaration->id == CTF_TYPE_STRING && |
| 713 | alignment != CHAR_BIT) { |
| 714 | ret = -1; |
| 715 | goto end; |
| 716 | } |
| 717 | |
| 718 | type->declaration->alignment = alignment; |
| 719 | ret = 0; |
| 720 | end: |
| 721 | return ret; |
| 722 | } |
| 723 | |
| 724 | int bt_ctf_field_type_set_byte_order(struct bt_ctf_field_type *type, |
| 725 | enum bt_ctf_byte_order byte_order) |
| 726 | { |
| 727 | int ret = 0; |
| 728 | int internal_byte_order; |
| 729 | enum ctf_type_id type_id; |
| 730 | |
| 731 | if (!type || type->frozen) { |
| 732 | ret = -1; |
| 733 | goto end; |
| 734 | } |
| 735 | |
| 736 | type_id = type->declaration->id; |
| 737 | switch (byte_order) { |
| 738 | case BT_CTF_BYTE_ORDER_NATIVE: |
| 739 | internal_byte_order = (G_BYTE_ORDER == G_LITTLE_ENDIAN ? |
| 740 | LITTLE_ENDIAN : BIG_ENDIAN); |
| 741 | break; |
| 742 | case BT_CTF_BYTE_ORDER_LITTLE_ENDIAN: |
| 743 | internal_byte_order = LITTLE_ENDIAN; |
| 744 | break; |
| 745 | case BT_CTF_BYTE_ORDER_BIG_ENDIAN: |
| 746 | case BT_CTF_BYTE_ORDER_NETWORK: |
| 747 | internal_byte_order = BIG_ENDIAN; |
| 748 | break; |
| 749 | default: |
| 750 | ret = -1; |
| 751 | goto end; |
| 752 | } |
| 753 | |
| 754 | if (set_byte_order_funcs[type_id]) { |
| 755 | set_byte_order_funcs[type_id](type, internal_byte_order); |
| 756 | } |
| 757 | end: |
| 758 | return ret; |
| 759 | } |
| 760 | |
| 761 | void bt_ctf_field_type_get(struct bt_ctf_field_type *type) |
| 762 | { |
| 763 | if (!type) { |
| 764 | return; |
| 765 | } |
| 766 | |
| 767 | bt_ctf_ref_get(&type->ref_count); |
| 768 | } |
| 769 | |
| 770 | void bt_ctf_field_type_put(struct bt_ctf_field_type *type) |
| 771 | { |
| 772 | enum ctf_type_id type_id; |
| 773 | |
| 774 | if (!type) { |
| 775 | return; |
| 776 | } |
| 777 | |
| 778 | type_id = type->declaration->id; |
| 779 | assert(type_id > CTF_TYPE_UNKNOWN && type_id < NR_CTF_TYPES); |
| 780 | bt_ctf_ref_put(&type->ref_count, type_destroy_funcs[type_id]); |
| 781 | } |
| 782 | |
| 783 | BT_HIDDEN |
| 784 | void bt_ctf_field_type_freeze(struct bt_ctf_field_type *type) |
| 785 | { |
| 786 | if (!type) { |
| 787 | return; |
| 788 | } |
| 789 | |
| 790 | type->freeze(type); |
| 791 | } |
| 792 | |
| 793 | BT_HIDDEN |
| 794 | enum ctf_type_id bt_ctf_field_type_get_type_id( |
| 795 | struct bt_ctf_field_type *type) |
| 796 | { |
| 797 | if (!type) { |
| 798 | return CTF_TYPE_UNKNOWN; |
| 799 | } |
| 800 | |
| 801 | return type->declaration->id; |
| 802 | } |
| 803 | |
| 804 | BT_HIDDEN |
| 805 | struct bt_ctf_field_type *bt_ctf_field_type_structure_get_type( |
| 806 | struct bt_ctf_field_type_structure *structure, |
| 807 | const char *name) |
| 808 | { |
| 809 | struct bt_ctf_field_type *type = NULL; |
| 810 | struct structure_field *field; |
| 811 | GQuark name_quark = g_quark_try_string(name); |
| 812 | size_t index; |
| 813 | |
| 814 | if (!name_quark) { |
| 815 | goto end; |
| 816 | } |
| 817 | |
| 818 | if (!g_hash_table_lookup_extended(structure->field_name_to_index, |
| 819 | GUINT_TO_POINTER(name_quark), NULL, (gpointer *)&index)) { |
| 820 | goto end; |
| 821 | } |
| 822 | |
| 823 | field = structure->fields->pdata[index]; |
| 824 | type = field->type; |
| 825 | end: |
| 826 | return type; |
| 827 | } |
| 828 | |
| 829 | BT_HIDDEN |
| 830 | struct bt_ctf_field_type *bt_ctf_field_type_array_get_element_type( |
| 831 | struct bt_ctf_field_type_array *array) |
| 832 | { |
| 833 | assert(array); |
| 834 | return array->element_type; |
| 835 | } |
| 836 | |
| 837 | BT_HIDDEN |
| 838 | struct bt_ctf_field_type *bt_ctf_field_type_sequence_get_element_type( |
| 839 | struct bt_ctf_field_type_sequence *sequence) |
| 840 | { |
| 841 | assert(sequence); |
| 842 | return sequence->element_type; |
| 843 | } |
| 844 | |
| 845 | BT_HIDDEN |
| 846 | struct bt_ctf_field_type *bt_ctf_field_type_variant_get_field_type( |
| 847 | struct bt_ctf_field_type_variant *variant, |
| 848 | int64_t tag_value) |
| 849 | { |
| 850 | struct bt_ctf_field_type *type = NULL; |
| 851 | GQuark field_name_quark; |
| 852 | gpointer index; |
| 853 | struct structure_field *field_entry; |
| 854 | struct range_overlap_query query = {.range_start = tag_value, |
| 855 | .range_end = tag_value, .mapping_name = 0, .overlaps = 0}; |
| 856 | |
| 857 | g_ptr_array_foreach(variant->tag->entries, check_ranges_overlap, |
| 858 | &query); |
| 859 | if (!query.overlaps) { |
| 860 | goto end; |
| 861 | } |
| 862 | |
| 863 | field_name_quark = query.mapping_name; |
| 864 | if (!g_hash_table_lookup_extended(variant->field_name_to_index, |
| 865 | GUINT_TO_POINTER(field_name_quark), NULL, &index)) { |
| 866 | goto end; |
| 867 | } |
| 868 | |
| 869 | field_entry = g_ptr_array_index(variant->fields, (size_t)index); |
| 870 | type = field_entry->type; |
| 871 | end: |
| 872 | return type; |
| 873 | } |
| 874 | |
| 875 | BT_HIDDEN |
| 876 | int bt_ctf_field_type_serialize(struct bt_ctf_field_type *type, |
| 877 | struct metadata_context *context) |
| 878 | { |
| 879 | int ret; |
| 880 | |
| 881 | if (!type || !context) { |
| 882 | ret = -1; |
| 883 | goto end; |
| 884 | } |
| 885 | |
| 886 | ret = type->serialize(type, context); |
| 887 | end: |
| 888 | return ret; |
| 889 | } |
| 890 | |
| 891 | static |
| 892 | void bt_ctf_field_type_integer_destroy(struct bt_ctf_ref *ref) |
| 893 | { |
| 894 | struct bt_ctf_field_type_integer *integer; |
| 895 | |
| 896 | if (!ref) { |
| 897 | return; |
| 898 | } |
| 899 | |
| 900 | integer = container_of( |
| 901 | container_of(ref, struct bt_ctf_field_type, ref_count), |
| 902 | struct bt_ctf_field_type_integer, parent); |
| 903 | g_free(integer); |
| 904 | } |
| 905 | |
| 906 | static |
| 907 | void bt_ctf_field_type_enumeration_destroy(struct bt_ctf_ref *ref) |
| 908 | { |
| 909 | struct bt_ctf_field_type_enumeration *enumeration; |
| 910 | |
| 911 | if (!ref) { |
| 912 | return; |
| 913 | } |
| 914 | |
| 915 | enumeration = container_of( |
| 916 | container_of(ref, struct bt_ctf_field_type, ref_count), |
| 917 | struct bt_ctf_field_type_enumeration, parent); |
| 918 | g_ptr_array_free(enumeration->entries, TRUE); |
| 919 | bt_ctf_field_type_put(enumeration->container); |
| 920 | g_free(enumeration); |
| 921 | } |
| 922 | |
| 923 | static |
| 924 | void bt_ctf_field_type_floating_point_destroy(struct bt_ctf_ref *ref) |
| 925 | { |
| 926 | struct bt_ctf_field_type_floating_point *floating_point; |
| 927 | |
| 928 | if (!ref) { |
| 929 | return; |
| 930 | } |
| 931 | |
| 932 | floating_point = container_of( |
| 933 | container_of(ref, struct bt_ctf_field_type, ref_count), |
| 934 | struct bt_ctf_field_type_floating_point, parent); |
| 935 | g_free(floating_point); |
| 936 | } |
| 937 | |
| 938 | static |
| 939 | void bt_ctf_field_type_structure_destroy(struct bt_ctf_ref *ref) |
| 940 | { |
| 941 | struct bt_ctf_field_type_structure *structure; |
| 942 | |
| 943 | if (!ref) { |
| 944 | return; |
| 945 | } |
| 946 | |
| 947 | structure = container_of( |
| 948 | container_of(ref, struct bt_ctf_field_type, ref_count), |
| 949 | struct bt_ctf_field_type_structure, parent); |
| 950 | g_ptr_array_free(structure->fields, TRUE); |
| 951 | g_hash_table_destroy(structure->field_name_to_index); |
| 952 | g_free(structure); |
| 953 | } |
| 954 | |
| 955 | static |
| 956 | void bt_ctf_field_type_variant_destroy(struct bt_ctf_ref *ref) |
| 957 | { |
| 958 | struct bt_ctf_field_type_variant *variant; |
| 959 | |
| 960 | if (!ref) { |
| 961 | return; |
| 962 | } |
| 963 | |
| 964 | variant = container_of( |
| 965 | container_of(ref, struct bt_ctf_field_type, ref_count), |
| 966 | struct bt_ctf_field_type_variant, parent); |
| 967 | g_ptr_array_free(variant->fields, TRUE); |
| 968 | g_hash_table_destroy(variant->field_name_to_index); |
| 969 | g_string_free(variant->tag_name, TRUE); |
| 970 | bt_ctf_field_type_put(&variant->tag->parent); |
| 971 | g_free(variant); |
| 972 | } |
| 973 | |
| 974 | static |
| 975 | void bt_ctf_field_type_array_destroy(struct bt_ctf_ref *ref) |
| 976 | { |
| 977 | struct bt_ctf_field_type_array *array; |
| 978 | |
| 979 | if (!ref) { |
| 980 | return; |
| 981 | } |
| 982 | |
| 983 | array = container_of( |
| 984 | container_of(ref, struct bt_ctf_field_type, ref_count), |
| 985 | struct bt_ctf_field_type_array, parent); |
| 986 | bt_ctf_field_type_put(array->element_type); |
| 987 | g_free(array); |
| 988 | } |
| 989 | |
| 990 | static |
| 991 | void bt_ctf_field_type_sequence_destroy(struct bt_ctf_ref *ref) |
| 992 | { |
| 993 | struct bt_ctf_field_type_sequence *sequence; |
| 994 | |
| 995 | if (!ref) { |
| 996 | return; |
| 997 | } |
| 998 | |
| 999 | sequence = container_of( |
| 1000 | container_of(ref, struct bt_ctf_field_type, ref_count), |
| 1001 | struct bt_ctf_field_type_sequence, parent); |
| 1002 | bt_ctf_field_type_put(sequence->element_type); |
| 1003 | g_string_free(sequence->length_field_name, TRUE); |
| 1004 | g_free(sequence); |
| 1005 | } |
| 1006 | |
| 1007 | static |
| 1008 | void bt_ctf_field_type_string_destroy(struct bt_ctf_ref *ref) |
| 1009 | { |
| 1010 | struct bt_ctf_field_type_string *string; |
| 1011 | |
| 1012 | if (!ref) { |
| 1013 | return; |
| 1014 | } |
| 1015 | |
| 1016 | string = container_of( |
| 1017 | container_of(ref, struct bt_ctf_field_type, ref_count), |
| 1018 | struct bt_ctf_field_type_string, parent); |
| 1019 | g_free(string); |
| 1020 | } |
| 1021 | |
| 1022 | static |
| 1023 | void generic_field_type_freeze(struct bt_ctf_field_type *type) |
| 1024 | { |
| 1025 | type->frozen = 1; |
| 1026 | } |
| 1027 | |
| 1028 | static |
| 1029 | void bt_ctf_field_type_enumeration_freeze(struct bt_ctf_field_type *type) |
| 1030 | { |
| 1031 | struct bt_ctf_field_type_enumeration *enumeration_type = container_of( |
| 1032 | type, struct bt_ctf_field_type_enumeration, parent); |
| 1033 | |
| 1034 | generic_field_type_freeze(type); |
| 1035 | bt_ctf_field_type_freeze(enumeration_type->container); |
| 1036 | } |
| 1037 | |
| 1038 | static |
| 1039 | void freeze_structure_field(struct structure_field *field) |
| 1040 | { |
| 1041 | bt_ctf_field_type_freeze(field->type); |
| 1042 | } |
| 1043 | |
| 1044 | static |
| 1045 | void bt_ctf_field_type_structure_freeze(struct bt_ctf_field_type *type) |
| 1046 | { |
| 1047 | struct bt_ctf_field_type_structure *structure_type = container_of( |
| 1048 | type, struct bt_ctf_field_type_structure, parent); |
| 1049 | |
| 1050 | generic_field_type_freeze(type); |
| 1051 | g_ptr_array_foreach(structure_type->fields, (GFunc)freeze_structure_field, |
| 1052 | NULL); |
| 1053 | } |
| 1054 | |
| 1055 | static |
| 1056 | void bt_ctf_field_type_variant_freeze(struct bt_ctf_field_type *type) |
| 1057 | { |
| 1058 | struct bt_ctf_field_type_variant *variant_type = container_of( |
| 1059 | type, struct bt_ctf_field_type_variant, parent); |
| 1060 | |
| 1061 | generic_field_type_freeze(type); |
| 1062 | g_ptr_array_foreach(variant_type->fields, (GFunc)freeze_structure_field, |
| 1063 | NULL); |
| 1064 | } |
| 1065 | |
| 1066 | static |
| 1067 | void bt_ctf_field_type_array_freeze(struct bt_ctf_field_type *type) |
| 1068 | { |
| 1069 | struct bt_ctf_field_type_array *array_type = container_of( |
| 1070 | type, struct bt_ctf_field_type_array, parent); |
| 1071 | |
| 1072 | generic_field_type_freeze(type); |
| 1073 | bt_ctf_field_type_freeze(array_type->element_type); |
| 1074 | } |
| 1075 | |
| 1076 | static |
| 1077 | void bt_ctf_field_type_sequence_freeze(struct bt_ctf_field_type *type) |
| 1078 | { |
| 1079 | struct bt_ctf_field_type_sequence *sequence_type = container_of( |
| 1080 | type, struct bt_ctf_field_type_sequence, parent); |
| 1081 | |
| 1082 | generic_field_type_freeze(type); |
| 1083 | bt_ctf_field_type_freeze(sequence_type->element_type); |
| 1084 | } |
| 1085 | |
| 1086 | static |
| 1087 | const char *get_encoding_string(enum ctf_string_encoding encoding) |
| 1088 | { |
| 1089 | const char *encoding_string; |
| 1090 | |
| 1091 | switch (encoding) { |
| 1092 | case CTF_STRING_NONE: |
| 1093 | encoding_string = "none"; |
| 1094 | break; |
| 1095 | case CTF_STRING_ASCII: |
| 1096 | encoding_string = "ASCII"; |
| 1097 | break; |
| 1098 | case CTF_STRING_UTF8: |
| 1099 | encoding_string = "UTF8"; |
| 1100 | break; |
| 1101 | default: |
| 1102 | encoding_string = "unknown"; |
| 1103 | break; |
| 1104 | } |
| 1105 | |
| 1106 | return encoding_string; |
| 1107 | } |
| 1108 | |
| 1109 | static |
| 1110 | const char *get_integer_base_string(enum bt_ctf_integer_base base) |
| 1111 | { |
| 1112 | const char *base_string; |
| 1113 | |
| 1114 | switch (base) { |
| 1115 | case BT_CTF_INTEGER_BASE_DECIMAL: |
| 1116 | base_string = "decimal"; |
| 1117 | break; |
| 1118 | case BT_CTF_INTEGER_BASE_HEXADECIMAL: |
| 1119 | base_string = "hexadecimal"; |
| 1120 | break; |
| 1121 | case BT_CTF_INTEGER_BASE_OCTAL: |
| 1122 | base_string = "octal"; |
| 1123 | break; |
| 1124 | case BT_CTF_INTEGER_BASE_BINARY: |
| 1125 | base_string = "binary"; |
| 1126 | break; |
| 1127 | default: |
| 1128 | base_string = "unknown"; |
| 1129 | break; |
| 1130 | } |
| 1131 | |
| 1132 | return base_string; |
| 1133 | } |
| 1134 | |
| 1135 | static |
| 1136 | int bt_ctf_field_type_integer_serialize(struct bt_ctf_field_type *type, |
| 1137 | struct metadata_context *context) |
| 1138 | { |
| 1139 | struct bt_ctf_field_type_integer *integer = container_of(type, |
| 1140 | struct bt_ctf_field_type_integer, parent); |
| 1141 | |
| 1142 | g_string_append_printf(context->string, |
| 1143 | "integer { size = %zu; align = %zu; signed = %s; encoding = %s; base = %s; byte_order = %s; }", |
| 1144 | integer->declaration.len, type->declaration->alignment, |
| 1145 | (integer->declaration.signedness ? "true" : "false"), |
| 1146 | get_encoding_string(integer->declaration.encoding), |
| 1147 | get_integer_base_string(integer->declaration.base), |
| 1148 | get_byte_order_string(integer->declaration.byte_order)); |
| 1149 | return 0; |
| 1150 | } |
| 1151 | |
| 1152 | static |
| 1153 | int bt_ctf_field_type_enumeration_serialize(struct bt_ctf_field_type *type, |
| 1154 | struct metadata_context *context) |
| 1155 | { |
| 1156 | size_t entry; |
| 1157 | int ret = 0; |
| 1158 | struct bt_ctf_field_type_enumeration *enumeration = container_of(type, |
| 1159 | struct bt_ctf_field_type_enumeration, parent); |
| 1160 | |
| 1161 | g_string_append(context->string, "enum : "); |
| 1162 | ret = bt_ctf_field_type_serialize(enumeration->container, context); |
| 1163 | if (ret) { |
| 1164 | goto end; |
| 1165 | } |
| 1166 | |
| 1167 | g_string_append(context->string, " { "); |
| 1168 | for (entry = 0; entry < enumeration->entries->len; entry++) { |
| 1169 | struct enumeration_mapping *mapping = |
| 1170 | enumeration->entries->pdata[entry]; |
| 1171 | |
| 1172 | if (mapping->range_start == mapping->range_end) { |
| 1173 | g_string_append_printf(context->string, "%s = %" PRId64, |
| 1174 | g_quark_to_string(mapping->string), |
| 1175 | mapping->range_start); |
| 1176 | } else { |
| 1177 | g_string_append_printf(context->string, |
| 1178 | "%s = %" PRId64 " ... %" PRId64, |
| 1179 | g_quark_to_string(mapping->string), |
| 1180 | mapping->range_start, mapping->range_end); |
| 1181 | } |
| 1182 | |
| 1183 | g_string_append(context->string, |
| 1184 | ((entry != (enumeration->entries->len - 1)) ? |
| 1185 | ", " : " }")); |
| 1186 | } |
| 1187 | |
| 1188 | if (context->field_name->len) { |
| 1189 | g_string_append_printf(context->string, " %s", |
| 1190 | context->field_name->str); |
| 1191 | g_string_assign(context->field_name, ""); |
| 1192 | } |
| 1193 | end: |
| 1194 | return ret; |
| 1195 | } |
| 1196 | |
| 1197 | static |
| 1198 | int bt_ctf_field_type_floating_point_serialize(struct bt_ctf_field_type *type, |
| 1199 | struct metadata_context *context) |
| 1200 | { |
| 1201 | struct bt_ctf_field_type_floating_point *floating_point = container_of( |
| 1202 | type, struct bt_ctf_field_type_floating_point, parent); |
| 1203 | |
| 1204 | g_string_append_printf(context->string, |
| 1205 | "floating_point { exp_dig = %zu; mant_dig = %zu; byte_order = %s; align = %zu; }", |
| 1206 | floating_point->declaration.exp->len, |
| 1207 | floating_point->declaration.mantissa->len + 1, |
| 1208 | get_byte_order_string(floating_point->declaration.byte_order), |
| 1209 | type->declaration->alignment); |
| 1210 | return 0; |
| 1211 | } |
| 1212 | |
| 1213 | static |
| 1214 | int bt_ctf_field_type_structure_serialize(struct bt_ctf_field_type *type, |
| 1215 | struct metadata_context *context) |
| 1216 | { |
| 1217 | size_t i; |
| 1218 | unsigned int indent; |
| 1219 | int ret = 0; |
| 1220 | struct bt_ctf_field_type_structure *structure = container_of(type, |
| 1221 | struct bt_ctf_field_type_structure, parent); |
| 1222 | GString *structure_field_name = context->field_name; |
| 1223 | |
| 1224 | context->field_name = g_string_new(""); |
| 1225 | |
| 1226 | context->current_indentation_level++; |
| 1227 | g_string_append(context->string, "struct {\n"); |
| 1228 | |
| 1229 | for (i = 0; i < structure->fields->len; i++) { |
| 1230 | struct structure_field *field; |
| 1231 | |
| 1232 | for (indent = 0; indent < context->current_indentation_level; |
| 1233 | indent++) { |
| 1234 | g_string_append_c(context->string, '\t'); |
| 1235 | } |
| 1236 | |
| 1237 | field = structure->fields->pdata[i]; |
| 1238 | g_string_assign(context->field_name, |
| 1239 | g_quark_to_string(field->name)); |
| 1240 | ret = bt_ctf_field_type_serialize(field->type, context); |
| 1241 | if (ret) { |
| 1242 | goto end; |
| 1243 | } |
| 1244 | |
| 1245 | if (context->field_name->len) { |
| 1246 | g_string_append_printf(context->string, " %s", |
| 1247 | context->field_name->str); |
| 1248 | } |
| 1249 | g_string_append(context->string, ";\n"); |
| 1250 | } |
| 1251 | |
| 1252 | context->current_indentation_level--; |
| 1253 | for (indent = 0; indent < context->current_indentation_level; |
| 1254 | indent++) { |
| 1255 | g_string_append_c(context->string, '\t'); |
| 1256 | } |
| 1257 | |
| 1258 | g_string_append_printf(context->string, "} align(%zu)", |
| 1259 | type->declaration->alignment); |
| 1260 | end: |
| 1261 | g_string_free(context->field_name, TRUE); |
| 1262 | context->field_name = structure_field_name; |
| 1263 | return ret; |
| 1264 | } |
| 1265 | |
| 1266 | static |
| 1267 | int bt_ctf_field_type_variant_serialize(struct bt_ctf_field_type *type, |
| 1268 | struct metadata_context *context) |
| 1269 | { |
| 1270 | size_t i; |
| 1271 | unsigned int indent; |
| 1272 | int ret = 0; |
| 1273 | struct bt_ctf_field_type_variant *variant = container_of( |
| 1274 | type, struct bt_ctf_field_type_variant, parent); |
| 1275 | GString *variant_field_name = context->field_name; |
| 1276 | |
| 1277 | context->field_name = g_string_new(""); |
| 1278 | g_string_append_printf(context->string, |
| 1279 | "variant <%s> {\n", variant->tag_name->str); |
| 1280 | context->current_indentation_level++; |
| 1281 | for (i = 0; i < variant->fields->len; i++) { |
| 1282 | struct structure_field *field = variant->fields->pdata[i]; |
| 1283 | |
| 1284 | g_string_assign(context->field_name, |
| 1285 | g_quark_to_string(field->name)); |
| 1286 | for (indent = 0; indent < context->current_indentation_level; |
| 1287 | indent++) { |
| 1288 | g_string_append_c(context->string, '\t'); |
| 1289 | } |
| 1290 | |
| 1291 | g_string_assign(context->field_name, |
| 1292 | g_quark_to_string(field->name)); |
| 1293 | ret = bt_ctf_field_type_serialize(field->type, context); |
| 1294 | if (ret) { |
| 1295 | goto end; |
| 1296 | } |
| 1297 | |
| 1298 | if (context->field_name->len) { |
| 1299 | g_string_append_printf(context->string, " %s;", |
| 1300 | context->field_name->str); |
| 1301 | } |
| 1302 | |
| 1303 | g_string_append_c(context->string, '\n'); |
| 1304 | } |
| 1305 | |
| 1306 | context->current_indentation_level--; |
| 1307 | for (indent = 0; indent < context->current_indentation_level; |
| 1308 | indent++) { |
| 1309 | g_string_append_c(context->string, '\t'); |
| 1310 | } |
| 1311 | |
| 1312 | g_string_append(context->string, "}"); |
| 1313 | end: |
| 1314 | g_string_free(context->field_name, TRUE); |
| 1315 | context->field_name = variant_field_name; |
| 1316 | return ret; |
| 1317 | } |
| 1318 | |
| 1319 | static |
| 1320 | int bt_ctf_field_type_array_serialize(struct bt_ctf_field_type *type, |
| 1321 | struct metadata_context *context) |
| 1322 | { |
| 1323 | int ret = 0; |
| 1324 | struct bt_ctf_field_type_array *array = container_of(type, |
| 1325 | struct bt_ctf_field_type_array, parent); |
| 1326 | |
| 1327 | ret = bt_ctf_field_type_serialize(array->element_type, context); |
| 1328 | if (ret) { |
| 1329 | goto end; |
| 1330 | } |
| 1331 | |
| 1332 | if (context->field_name->len) { |
| 1333 | g_string_append_printf(context->string, " %s[%u]", |
| 1334 | context->field_name->str, array->length); |
| 1335 | g_string_assign(context->field_name, ""); |
| 1336 | } else { |
| 1337 | g_string_append_printf(context->string, "[%u]", array->length); |
| 1338 | } |
| 1339 | end: |
| 1340 | return ret; |
| 1341 | } |
| 1342 | |
| 1343 | static |
| 1344 | int bt_ctf_field_type_sequence_serialize(struct bt_ctf_field_type *type, |
| 1345 | struct metadata_context *context) |
| 1346 | { |
| 1347 | int ret = 0; |
| 1348 | struct bt_ctf_field_type_sequence *sequence = container_of( |
| 1349 | type, struct bt_ctf_field_type_sequence, parent); |
| 1350 | |
| 1351 | ret = bt_ctf_field_type_serialize(sequence->element_type, context); |
| 1352 | if (ret) { |
| 1353 | goto end; |
| 1354 | } |
| 1355 | |
| 1356 | if (context->field_name->len) { |
| 1357 | g_string_append_printf(context->string, " %s[%s]", |
| 1358 | context->field_name->str, |
| 1359 | sequence->length_field_name->str); |
| 1360 | g_string_assign(context->field_name, ""); |
| 1361 | } else { |
| 1362 | g_string_append_printf(context->string, "[%s]", |
| 1363 | sequence->length_field_name->str); |
| 1364 | } |
| 1365 | end: |
| 1366 | return ret; |
| 1367 | } |
| 1368 | |
| 1369 | static |
| 1370 | int bt_ctf_field_type_string_serialize(struct bt_ctf_field_type *type, |
| 1371 | struct metadata_context *context) |
| 1372 | { |
| 1373 | struct bt_ctf_field_type_string *string = container_of( |
| 1374 | type, struct bt_ctf_field_type_string, parent); |
| 1375 | |
| 1376 | g_string_append_printf(context->string, |
| 1377 | "string { encoding = %s; }", |
| 1378 | get_encoding_string(string->declaration.encoding)); |
| 1379 | return 0; |
| 1380 | } |
| 1381 | |
| 1382 | static |
| 1383 | void bt_ctf_field_type_integer_set_byte_order(struct bt_ctf_field_type *type, |
| 1384 | int byte_order) |
| 1385 | { |
| 1386 | struct bt_ctf_field_type_integer *integer_type = container_of(type, |
| 1387 | struct bt_ctf_field_type_integer, parent); |
| 1388 | |
| 1389 | integer_type->declaration.byte_order = byte_order; |
| 1390 | } |
| 1391 | |
| 1392 | static |
| 1393 | void bt_ctf_field_type_floating_point_set_byte_order( |
| 1394 | struct bt_ctf_field_type *type, int byte_order) |
| 1395 | { |
| 1396 | struct bt_ctf_field_type_floating_point *floating_point_type = |
| 1397 | container_of(type, struct bt_ctf_field_type_floating_point, |
| 1398 | parent); |
| 1399 | |
| 1400 | floating_point_type->declaration.byte_order = byte_order; |
| 1401 | floating_point_type->sign.byte_order = byte_order; |
| 1402 | floating_point_type->mantissa.byte_order = byte_order; |
| 1403 | floating_point_type->exp.byte_order = byte_order; |
| 1404 | } |