| 1 | /* |
| 2 | * Babeltrace - Trace IR field copy |
| 3 | * |
| 4 | * Copyright (c) 2015-2019 EfficiOS Inc. and Linux Foundation |
| 5 | * Copyright (c) 2018 Philippe Proulx <pproulx@efficios.com> |
| 6 | * Copyright (c) 2019 Francis Deslauriers <francis.deslauriers@efficios.com> |
| 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 9 | * of this software and associated documentation files (the "Software"), to deal |
| 10 | * in the Software without restriction, including without limitation the rights |
| 11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 12 | * copies of the Software, and to permit persons to whom the Software is |
| 13 | * furnished to do so, subject to the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice shall be included in |
| 16 | * all copies or substantial portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 24 | * SOFTWARE. |
| 25 | */ |
| 26 | |
| 27 | #define BT_LOG_TAG "PLUGIN-LTTNG-UTILS-DEBUG-INFO-TRACE-IR-METADATA-FC-COPY" |
| 28 | #include "logging.h" |
| 29 | |
| 30 | #include <babeltrace/assert-internal.h> |
| 31 | #include <babeltrace/common-internal.h> |
| 32 | #include <babeltrace/compiler-internal.h> |
| 33 | #include <babeltrace/babeltrace.h> |
| 34 | |
| 35 | #include "trace-ir-metadata-copy.h" |
| 36 | #include "trace-ir-metadata-field-class-copy.h" |
| 37 | |
| 38 | /* |
| 39 | * This fonction walks througth the nested structures field class to resolve a |
| 40 | * field path object. A field path is made of indexes inside possibly nested |
| 41 | * structures ultimately leading to a field class. |
| 42 | */ |
| 43 | static |
| 44 | const bt_field_class *walk_field_path(const bt_field_path *fp, |
| 45 | const bt_field_class *fc) |
| 46 | { |
| 47 | uint64_t i, fp_index_count; |
| 48 | const bt_field_class *curr_fc; |
| 49 | |
| 50 | BT_ASSERT(bt_field_class_get_type(fc) == BT_FIELD_CLASS_TYPE_STRUCTURE); |
| 51 | BT_LOGD("Walking field path on field class: fp-addr=%p, fc-addr=%p", |
| 52 | fp, fc); |
| 53 | |
| 54 | fp_index_count = bt_field_path_get_index_count(fp); |
| 55 | curr_fc = fc; |
| 56 | for (i = 0; i < fp_index_count; i++) { |
| 57 | const char *fc_name; |
| 58 | bt_field_class_type fc_type = bt_field_class_get_type(curr_fc); |
| 59 | uint64_t curr_index = bt_field_path_get_index_by_index(fp, i); |
| 60 | |
| 61 | switch (fc_type) { |
| 62 | case BT_FIELD_CLASS_TYPE_STRUCTURE: |
| 63 | bt_field_class_structure_borrow_member_by_index_const( |
| 64 | curr_fc, curr_index, &fc_name, &curr_fc); |
| 65 | break; |
| 66 | case BT_FIELD_CLASS_TYPE_VARIANT: |
| 67 | bt_field_class_variant_borrow_option_by_index_const( |
| 68 | curr_fc, curr_index, &fc_name, &curr_fc); |
| 69 | break; |
| 70 | default: |
| 71 | abort(); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | return curr_fc; |
| 76 | } |
| 77 | |
| 78 | static |
| 79 | const bt_field_class *resolve_field_path_to_field_class(const bt_field_path *fp, |
| 80 | struct trace_ir_metadata_maps *md_maps) |
| 81 | { |
| 82 | struct field_class_resolving_context *fc_resolving_ctx; |
| 83 | const bt_field_class *fc; |
| 84 | bt_scope fp_scope; |
| 85 | |
| 86 | BT_LOGD("Resolving field path: fp-addr=%p", fp); |
| 87 | |
| 88 | fc_resolving_ctx = md_maps->fc_resolving_ctx; |
| 89 | fp_scope = bt_field_path_get_root_scope(fp); |
| 90 | |
| 91 | switch (fp_scope) { |
| 92 | case BT_SCOPE_PACKET_CONTEXT: |
| 93 | fc = walk_field_path(fp, fc_resolving_ctx->packet_context); |
| 94 | break; |
| 95 | case BT_SCOPE_EVENT_COMMON_CONTEXT: |
| 96 | fc = walk_field_path(fp, fc_resolving_ctx->event_common_context); |
| 97 | break; |
| 98 | case BT_SCOPE_EVENT_SPECIFIC_CONTEXT: |
| 99 | fc = walk_field_path(fp, fc_resolving_ctx->event_specific_context); |
| 100 | break; |
| 101 | case BT_SCOPE_EVENT_PAYLOAD: |
| 102 | fc = walk_field_path(fp, fc_resolving_ctx->event_payload); |
| 103 | break; |
| 104 | default: |
| 105 | abort(); |
| 106 | } |
| 107 | |
| 108 | return fc; |
| 109 | } |
| 110 | |
| 111 | static inline |
| 112 | void field_class_integer_set_props(const bt_field_class *input_fc, |
| 113 | bt_field_class *output_fc) |
| 114 | { |
| 115 | bt_field_class_integer_set_preferred_display_base(output_fc, |
| 116 | bt_field_class_integer_get_preferred_display_base(input_fc)); |
| 117 | bt_field_class_integer_set_field_value_range(output_fc, |
| 118 | bt_field_class_integer_get_field_value_range(input_fc)); |
| 119 | } |
| 120 | |
| 121 | static inline |
| 122 | int field_class_unsigned_integer_copy( |
| 123 | struct trace_ir_metadata_maps *md_maps, |
| 124 | const bt_field_class *in_field_class, |
| 125 | bt_field_class *out_field_class) |
| 126 | { |
| 127 | BT_LOGD("Copying content of unsigned integer field class: " |
| 128 | "in-fc-addr=%p, out-fc-addr=%p", |
| 129 | in_field_class, out_field_class); |
| 130 | |
| 131 | field_class_integer_set_props(in_field_class, out_field_class); |
| 132 | |
| 133 | BT_LOGD("Copied content of unsigned integer field class: " |
| 134 | "in-fc-addr=%p, out-fc-addr=%p", |
| 135 | in_field_class, out_field_class); |
| 136 | return 0; |
| 137 | } |
| 138 | |
| 139 | static inline |
| 140 | int field_class_signed_integer_copy( |
| 141 | struct trace_ir_metadata_maps *md_maps, |
| 142 | const bt_field_class *in_field_class, |
| 143 | bt_field_class *out_field_class) |
| 144 | { |
| 145 | BT_LOGD("Copying content of signed integer field class: " |
| 146 | "in-fc-addr=%p, out-fc-addr=%p", |
| 147 | in_field_class, out_field_class); |
| 148 | |
| 149 | field_class_integer_set_props(in_field_class, out_field_class); |
| 150 | |
| 151 | BT_LOGD("Copied content of signed integer field class: " |
| 152 | "in-fc-addr=%p, out-fc-addr=%p", |
| 153 | in_field_class, out_field_class); |
| 154 | return 0; |
| 155 | } |
| 156 | |
| 157 | BT_HIDDEN |
| 158 | int field_class_unsigned_enumeration_copy( |
| 159 | struct trace_ir_metadata_maps *md_maps, |
| 160 | const bt_field_class *in_field_class, |
| 161 | bt_field_class *out_field_class) |
| 162 | { |
| 163 | uint64_t i, enum_mapping_count; |
| 164 | int ret = 0; |
| 165 | |
| 166 | BT_LOGD("Copying content of unsigned enumeration field class: " |
| 167 | "in-fc-addr=%p, out-fc-addr=%p", |
| 168 | in_field_class, out_field_class); |
| 169 | |
| 170 | /* Copy properties of the inner integer. */ |
| 171 | field_class_integer_set_props(in_field_class, out_field_class); |
| 172 | |
| 173 | /* Copy all enumeration entries. */ |
| 174 | enum_mapping_count = bt_field_class_enumeration_get_mapping_count(in_field_class); |
| 175 | for (i = 0; i < enum_mapping_count; i++) { |
| 176 | const char *label; |
| 177 | const bt_field_class_unsigned_enumeration_mapping_ranges *ranges; |
| 178 | uint64_t range_index, range_count; |
| 179 | |
| 180 | /* Get the ranges and the range count. */ |
| 181 | bt_field_class_unsigned_enumeration_borrow_mapping_by_index_const( |
| 182 | in_field_class, i, &label, &ranges); |
| 183 | range_count = |
| 184 | bt_field_class_unsigned_enumeration_mapping_ranges_get_range_count( |
| 185 | ranges); |
| 186 | /* |
| 187 | * Iterate over all the ranges to add them to copied field |
| 188 | * class. |
| 189 | */ |
| 190 | for (range_index = 0; range_index < range_count; range_index++) { |
| 191 | uint64_t lower, upper; |
| 192 | bt_field_class_status status; |
| 193 | bt_field_class_unsigned_enumeration_mapping_ranges_get_range_by_index( |
| 194 | ranges, range_index, &lower, &upper); |
| 195 | |
| 196 | BT_LOGD("Copying range in enumeration field class: " |
| 197 | "label=%s, lower=%"PRId64", upper=%"PRId64, |
| 198 | label, lower, upper); |
| 199 | |
| 200 | /* Add the label and its range to the copy field class. */ |
| 201 | status = bt_field_class_unsigned_enumeration_map_range( |
| 202 | out_field_class, label, lower, upper); |
| 203 | |
| 204 | if (status != BT_FIELD_CLASS_STATUS_OK) { |
| 205 | BT_LOGE_STR("Failed to add range to unsigned " |
| 206 | "enumeration."); |
| 207 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_field_class); |
| 208 | ret = -1; |
| 209 | goto error; |
| 210 | } |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | BT_LOGD("Copied content of unsigned enumeration field class: " |
| 215 | "in-fc-addr=%p, out-fc-addr=%p", |
| 216 | in_field_class, out_field_class); |
| 217 | |
| 218 | error: |
| 219 | return ret; |
| 220 | } |
| 221 | |
| 222 | static inline |
| 223 | int field_class_signed_enumeration_copy( |
| 224 | struct trace_ir_metadata_maps *md_maps, |
| 225 | const bt_field_class *in_field_class, |
| 226 | bt_field_class *out_field_class) |
| 227 | { |
| 228 | uint64_t i, enum_mapping_count; |
| 229 | int ret = 0; |
| 230 | |
| 231 | BT_LOGD("Copying content of signed enumeration field class: " |
| 232 | "in-fc-addr=%p, out-fc-addr=%p", |
| 233 | in_field_class, out_field_class); |
| 234 | |
| 235 | /* Copy properties of the inner integer. */ |
| 236 | field_class_integer_set_props(in_field_class, out_field_class); |
| 237 | |
| 238 | /* Copy all enumeration entries. */ |
| 239 | enum_mapping_count = |
| 240 | bt_field_class_enumeration_get_mapping_count(in_field_class); |
| 241 | for (i = 0; i < enum_mapping_count; i++) { |
| 242 | const char *label; |
| 243 | const bt_field_class_signed_enumeration_mapping_ranges *ranges; |
| 244 | uint64_t range_index, range_count; |
| 245 | |
| 246 | /* Get the ranges and the range count. */ |
| 247 | bt_field_class_signed_enumeration_borrow_mapping_by_index_const( |
| 248 | in_field_class, i, &label, &ranges); |
| 249 | range_count = |
| 250 | bt_field_class_signed_enumeration_mapping_ranges_get_range_count( |
| 251 | ranges); |
| 252 | /* |
| 253 | * Iterate over all the ranges to add them to copied field |
| 254 | * class. |
| 255 | */ |
| 256 | for (range_index = 0; range_index < range_count; range_index++) { |
| 257 | int64_t lower, upper; |
| 258 | bt_field_class_status status; |
| 259 | bt_field_class_signed_enumeration_mapping_ranges_get_range_by_index( |
| 260 | ranges, range_index, &lower, &upper); |
| 261 | |
| 262 | BT_LOGD("Copying range in enumeration field class: " |
| 263 | "label=%s, lower=%ld, upper=%ld", |
| 264 | label, lower, upper); |
| 265 | |
| 266 | /* Add the label and its range to the copy field class. */ |
| 267 | status = bt_field_class_signed_enumeration_map_range( |
| 268 | out_field_class, label, lower, upper); |
| 269 | if (status != BT_FIELD_CLASS_STATUS_OK) { |
| 270 | BT_LOGE_STR("Failed to add range to signed " |
| 271 | "enumeration."); |
| 272 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_field_class); |
| 273 | ret = -1; |
| 274 | goto error; |
| 275 | } |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | BT_LOGD("Copied content of signed enumeration field class: " |
| 280 | "in-fc-addr=%p, out-fc-addr=%p", |
| 281 | in_field_class, out_field_class); |
| 282 | |
| 283 | error: |
| 284 | return ret; |
| 285 | } |
| 286 | |
| 287 | static inline |
| 288 | int field_class_real_copy( |
| 289 | struct trace_ir_metadata_maps *md_maps, |
| 290 | const bt_field_class *in_field_class, |
| 291 | bt_field_class *out_field_class) |
| 292 | { |
| 293 | BT_LOGD("Copying content of real field class: " |
| 294 | "in-fc-addr=%p, out-fc-addr=%p", |
| 295 | in_field_class, out_field_class); |
| 296 | |
| 297 | bt_field_class_real_set_is_single_precision(out_field_class, |
| 298 | bt_field_class_real_is_single_precision(in_field_class)); |
| 299 | |
| 300 | BT_LOGD("Copied content real field class: in-fc-addr=%p, " |
| 301 | "out-fc-addr=%p", in_field_class, out_field_class); |
| 302 | |
| 303 | return 0; |
| 304 | } |
| 305 | |
| 306 | static inline |
| 307 | int field_class_structure_copy( |
| 308 | struct trace_ir_metadata_maps *md_maps, |
| 309 | const bt_field_class *in_field_class, |
| 310 | bt_field_class *out_field_class) |
| 311 | { |
| 312 | uint64_t i, struct_member_count; |
| 313 | bt_field_class_status status; |
| 314 | int ret = 0; |
| 315 | |
| 316 | BT_LOGD("Copying content of structure field class: " |
| 317 | "in-fc-addr=%p, out-fc-addr=%p", |
| 318 | in_field_class, out_field_class); |
| 319 | /* Get the number of member in that struct. */ |
| 320 | struct_member_count = |
| 321 | bt_field_class_structure_get_member_count(in_field_class); |
| 322 | |
| 323 | /* Iterate over all the members of the struct. */ |
| 324 | for (i = 0; i < struct_member_count; i++) { |
| 325 | const char *member_name; |
| 326 | const bt_field_class *member_fc; |
| 327 | bt_field_class *out_member_field_class; |
| 328 | |
| 329 | bt_field_class_structure_borrow_member_by_index_const( |
| 330 | in_field_class, i, &member_name, &member_fc); |
| 331 | BT_LOGD("Copying structure field class's field: " |
| 332 | "index=%" PRId64 ", " |
| 333 | "member-fc-addr=%p, field-name=\"%s\"", |
| 334 | i, member_fc, member_name); |
| 335 | |
| 336 | out_member_field_class = create_field_class_copy(md_maps, |
| 337 | member_fc); |
| 338 | if (!out_member_field_class) { |
| 339 | BT_LOGE("Cannot copy structure field class's field: " |
| 340 | "index=%" PRId64 ", " |
| 341 | "field-fc-addr=%p, field-name=\"%s\"", |
| 342 | i, member_fc, member_name); |
| 343 | ret = -1; |
| 344 | goto error; |
| 345 | } |
| 346 | ret = copy_field_class_content(md_maps, member_fc, |
| 347 | out_member_field_class); |
| 348 | if (ret) { |
| 349 | goto error; |
| 350 | } |
| 351 | |
| 352 | status = bt_field_class_structure_append_member(out_field_class, |
| 353 | member_name, out_member_field_class); |
| 354 | if (status != BT_FIELD_CLASS_STATUS_OK) { |
| 355 | BT_LOGE("Cannot append structure field class's field: " |
| 356 | "index=%" PRId64 ", " |
| 357 | "field-fc-addr=%p, field-name=\"%s\"", |
| 358 | i, member_fc, member_name); |
| 359 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_member_field_class); |
| 360 | ret = -1; |
| 361 | goto error; |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | BT_LOGD("Copied structure field class: original-fc-addr=%p, copy-fc-addr=%p", |
| 366 | in_field_class, out_field_class); |
| 367 | |
| 368 | error: |
| 369 | return ret; |
| 370 | } |
| 371 | |
| 372 | static inline |
| 373 | int field_class_variant_copy( |
| 374 | struct trace_ir_metadata_maps *md_maps, |
| 375 | const bt_field_class *in_field_class, |
| 376 | bt_field_class *out_field_class) |
| 377 | { |
| 378 | bt_field_class *out_tag_field_class; |
| 379 | uint64_t i, variant_option_count; |
| 380 | const bt_field_path *tag_fp; |
| 381 | const bt_field_class *tag_fc; |
| 382 | int ret = 0; |
| 383 | |
| 384 | BT_LOGD("Copying content of variant field class: " |
| 385 | "in-fc-addr=%p, out-fc-addr=%p", |
| 386 | in_field_class, out_field_class); |
| 387 | |
| 388 | tag_fp = bt_field_class_variant_borrow_selector_field_path_const( |
| 389 | in_field_class); |
| 390 | if (tag_fp) { |
| 391 | tag_fc = resolve_field_path_to_field_class(tag_fp, |
| 392 | md_maps); |
| 393 | |
| 394 | out_tag_field_class = g_hash_table_lookup( |
| 395 | md_maps->field_class_map, tag_fc); |
| 396 | if (!out_tag_field_class) { |
| 397 | BT_LOGE_STR("Cannot find the tag field class."); |
| 398 | ret = -1; |
| 399 | goto error; |
| 400 | } |
| 401 | bt_field_class_variant_set_selector_field_class(out_field_class, |
| 402 | out_tag_field_class); |
| 403 | } |
| 404 | |
| 405 | variant_option_count = |
| 406 | bt_field_class_variant_get_option_count(in_field_class); |
| 407 | for (i = 0; i < variant_option_count; i++) { |
| 408 | const bt_field_class *option; |
| 409 | const char *option_name; |
| 410 | bt_field_class *out_option_field_class; |
| 411 | bt_field_class_status status; |
| 412 | |
| 413 | bt_field_class_variant_borrow_option_by_index_const(in_field_class, |
| 414 | i, &option_name, &option); |
| 415 | |
| 416 | out_option_field_class = create_field_class_copy_internal( |
| 417 | md_maps, option); |
| 418 | if (!out_option_field_class) { |
| 419 | BT_LOGE_STR("Cannot copy field class."); |
| 420 | ret = -1; |
| 421 | goto error; |
| 422 | } |
| 423 | ret = copy_field_class_content_internal(md_maps, option, |
| 424 | out_option_field_class); |
| 425 | if (ret) { |
| 426 | BT_LOGE_STR("Error copying content of option variant " |
| 427 | "field class'"); |
| 428 | goto error; |
| 429 | } |
| 430 | |
| 431 | status = bt_field_class_variant_append_option( |
| 432 | out_field_class, option_name, |
| 433 | out_option_field_class); |
| 434 | if (status != BT_FIELD_CLASS_STATUS_OK) { |
| 435 | BT_LOGE_STR("Cannot append option to variant field class'"); |
| 436 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_tag_field_class); |
| 437 | ret = -1; |
| 438 | goto error; |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | BT_LOGD("Copied content of variant field class: in-fc-addr=%p, " |
| 443 | "out-fc-addr=%p", in_field_class, out_field_class); |
| 444 | |
| 445 | error: |
| 446 | return ret; |
| 447 | } |
| 448 | |
| 449 | static inline |
| 450 | int field_class_static_array_copy( |
| 451 | struct trace_ir_metadata_maps *md_maps, |
| 452 | const bt_field_class *in_field_class, |
| 453 | bt_field_class *out_field_class) |
| 454 | { |
| 455 | BT_LOGD("Copying content of static array field class: in-fc-addr=%p, " |
| 456 | "out-fc-addr=%p", in_field_class, out_field_class); |
| 457 | /* |
| 458 | * There is no content to copy. Keep this function call anyway for |
| 459 | * logging purposes. |
| 460 | */ |
| 461 | BT_LOGD("Copied content of static array field class: in-fc-addr=%p, " |
| 462 | "out-fc-addr=%p", in_field_class, out_field_class); |
| 463 | |
| 464 | return 0; |
| 465 | } |
| 466 | |
| 467 | static inline |
| 468 | int field_class_dynamic_array_copy( |
| 469 | struct trace_ir_metadata_maps *md_maps, |
| 470 | const bt_field_class *in_field_class, |
| 471 | bt_field_class *out_field_class) |
| 472 | { |
| 473 | const bt_field_class *len_fc; |
| 474 | const bt_field_path *len_fp; |
| 475 | bt_field_class_status status; |
| 476 | bt_field_class *out_len_field_class; |
| 477 | int ret = 0; |
| 478 | |
| 479 | BT_LOGD("Copying content of dynamic array field class: " |
| 480 | "in-fc-addr=%p, out-fc-addr=%p", |
| 481 | in_field_class, out_field_class); |
| 482 | |
| 483 | len_fp = bt_field_class_dynamic_array_borrow_length_field_path_const( |
| 484 | in_field_class); |
| 485 | |
| 486 | if (len_fp) { |
| 487 | BT_LOGD("Copying dynamic array length field class using " |
| 488 | "field path: in-len-fp=%p", len_fp); |
| 489 | len_fc = resolve_field_path_to_field_class( |
| 490 | len_fp, md_maps); |
| 491 | out_len_field_class = g_hash_table_lookup( |
| 492 | md_maps->field_class_map, len_fc); |
| 493 | if (!out_len_field_class) { |
| 494 | BT_LOGE_STR("Cannot find the output matching length" |
| 495 | "field class."); |
| 496 | ret = -1; |
| 497 | goto error; |
| 498 | } |
| 499 | |
| 500 | status = bt_field_class_dynamic_array_set_length_field_class( |
| 501 | out_field_class, out_len_field_class); |
| 502 | if (status != BT_FIELD_CLASS_STATUS_OK) { |
| 503 | BT_LOGE_STR("Cannot set dynamic array field class' " |
| 504 | "length field class."); |
| 505 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_len_field_class); |
| 506 | ret = -1; |
| 507 | goto error; |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | BT_LOGD("Copied dynamic array field class: in-fc-addr=%p, " |
| 512 | "out-fc-addr=%p", in_field_class, out_field_class); |
| 513 | |
| 514 | error: |
| 515 | return ret; |
| 516 | } |
| 517 | |
| 518 | static inline |
| 519 | int field_class_string_copy(struct trace_ir_metadata_maps *md_maps, |
| 520 | const bt_field_class *in_field_class, |
| 521 | bt_field_class *out_field_class) |
| 522 | { |
| 523 | BT_LOGD("Copying content of string field class: in-fc-addr=%p, " |
| 524 | "out-fc-addr=%p", in_field_class, out_field_class); |
| 525 | /* |
| 526 | * There is no content to copy. Keep this function call anyway for |
| 527 | * logging purposes. |
| 528 | */ |
| 529 | BT_LOGD("Copied content of string field class: in-fc-addr=%p, " |
| 530 | "out-fc-addr=%p", in_field_class, out_field_class); |
| 531 | |
| 532 | return 0; |
| 533 | } |
| 534 | |
| 535 | static |
| 536 | bt_field_class *copy_field_class_array_element(struct trace_ir_metadata_maps *md_maps, |
| 537 | const bt_field_class *in_elem_fc) |
| 538 | { |
| 539 | int ret; |
| 540 | bt_field_class *out_elem_fc = |
| 541 | create_field_class_copy_internal(md_maps, in_elem_fc); |
| 542 | if (!out_elem_fc) { |
| 543 | BT_LOGE("Error creating output elem field class " |
| 544 | "from input elem field class for static array: " |
| 545 | "in-fc-addr=%p", in_elem_fc); |
| 546 | goto error; |
| 547 | } |
| 548 | |
| 549 | ret = copy_field_class_content_internal(md_maps, in_elem_fc, out_elem_fc); |
| 550 | if (ret) { |
| 551 | BT_LOGE("Error creating output elem field class " |
| 552 | "from input elem field class for static array: " |
| 553 | "in-fc-addr=%p", in_elem_fc); |
| 554 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_elem_fc); |
| 555 | goto error; |
| 556 | } |
| 557 | |
| 558 | error: |
| 559 | return out_elem_fc; |
| 560 | } |
| 561 | |
| 562 | BT_HIDDEN |
| 563 | bt_field_class *create_field_class_copy_internal(struct trace_ir_metadata_maps *md_maps, |
| 564 | const bt_field_class *in_field_class) |
| 565 | { |
| 566 | bt_field_class *out_field_class = NULL; |
| 567 | |
| 568 | BT_LOGD("Creating bare field class based on field class: in-fc-addr=%p", |
| 569 | in_field_class); |
| 570 | |
| 571 | switch(bt_field_class_get_type(in_field_class)) { |
| 572 | case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER: |
| 573 | out_field_class = bt_field_class_unsigned_integer_create( |
| 574 | md_maps->output_trace_class); |
| 575 | break; |
| 576 | case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER: |
| 577 | out_field_class = bt_field_class_signed_integer_create( |
| 578 | md_maps->output_trace_class); |
| 579 | break; |
| 580 | case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION: |
| 581 | out_field_class = bt_field_class_unsigned_enumeration_create( |
| 582 | md_maps->output_trace_class); |
| 583 | break; |
| 584 | case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION: |
| 585 | out_field_class = bt_field_class_signed_enumeration_create( |
| 586 | md_maps->output_trace_class); |
| 587 | break; |
| 588 | case BT_FIELD_CLASS_TYPE_REAL: |
| 589 | out_field_class = bt_field_class_real_create( |
| 590 | md_maps->output_trace_class); |
| 591 | break; |
| 592 | case BT_FIELD_CLASS_TYPE_STRING: |
| 593 | out_field_class = bt_field_class_string_create( |
| 594 | md_maps->output_trace_class); |
| 595 | break; |
| 596 | case BT_FIELD_CLASS_TYPE_STRUCTURE: |
| 597 | out_field_class = bt_field_class_structure_create( |
| 598 | md_maps->output_trace_class); |
| 599 | break; |
| 600 | case BT_FIELD_CLASS_TYPE_STATIC_ARRAY: |
| 601 | { |
| 602 | const bt_field_class *in_elem_fc = |
| 603 | bt_field_class_array_borrow_element_field_class_const( |
| 604 | in_field_class); |
| 605 | uint64_t array_len = |
| 606 | bt_field_class_static_array_get_length(in_field_class); |
| 607 | |
| 608 | bt_field_class *out_elem_fc = copy_field_class_array_element( |
| 609 | md_maps, in_elem_fc); |
| 610 | if (!out_elem_fc) { |
| 611 | out_field_class = NULL; |
| 612 | goto error; |
| 613 | } |
| 614 | |
| 615 | out_field_class = bt_field_class_static_array_create( |
| 616 | md_maps->output_trace_class, |
| 617 | out_elem_fc, array_len); |
| 618 | break; |
| 619 | } |
| 620 | case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY: |
| 621 | { |
| 622 | const bt_field_class *in_elem_fc = |
| 623 | bt_field_class_array_borrow_element_field_class_const( |
| 624 | in_field_class); |
| 625 | |
| 626 | bt_field_class *out_elem_fc = copy_field_class_array_element( |
| 627 | md_maps, in_elem_fc); |
| 628 | if (!out_elem_fc) { |
| 629 | out_field_class = NULL; |
| 630 | goto error; |
| 631 | } |
| 632 | |
| 633 | out_field_class = bt_field_class_dynamic_array_create( |
| 634 | md_maps->output_trace_class, |
| 635 | out_elem_fc); |
| 636 | break; |
| 637 | } |
| 638 | case BT_FIELD_CLASS_TYPE_VARIANT: |
| 639 | out_field_class = bt_field_class_variant_create( |
| 640 | md_maps->output_trace_class); |
| 641 | break; |
| 642 | default: |
| 643 | abort(); |
| 644 | } |
| 645 | |
| 646 | /* |
| 647 | * Add mapping from in_field_class to out_field_class. This simplifies |
| 648 | * the resolution of field paths in variant and dynamic array field |
| 649 | * classes. |
| 650 | */ |
| 651 | g_hash_table_insert(md_maps->field_class_map, |
| 652 | (gpointer) in_field_class, out_field_class); |
| 653 | |
| 654 | error: |
| 655 | if(out_field_class){ |
| 656 | BT_LOGD("Created bare field class based on field class: in-fc-addr=%p, " |
| 657 | "out-fc-addr=%p", in_field_class, out_field_class); |
| 658 | } else { |
| 659 | BT_LOGE("Error creating output field class from input field " |
| 660 | "class: in-fc-addr=%p", in_field_class); |
| 661 | } |
| 662 | |
| 663 | return out_field_class; |
| 664 | } |
| 665 | |
| 666 | BT_HIDDEN |
| 667 | int copy_field_class_content_internal( |
| 668 | struct trace_ir_metadata_maps *md_maps, |
| 669 | const bt_field_class *in_field_class, |
| 670 | bt_field_class *out_field_class) |
| 671 | { |
| 672 | int ret = 0; |
| 673 | switch(bt_field_class_get_type(in_field_class)) { |
| 674 | case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER: |
| 675 | ret = field_class_unsigned_integer_copy(md_maps, |
| 676 | in_field_class, out_field_class); |
| 677 | break; |
| 678 | case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER: |
| 679 | ret = field_class_signed_integer_copy(md_maps, |
| 680 | in_field_class, out_field_class); |
| 681 | break; |
| 682 | case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION: |
| 683 | ret = field_class_unsigned_enumeration_copy(md_maps, |
| 684 | in_field_class, out_field_class); |
| 685 | break; |
| 686 | case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION: |
| 687 | ret = field_class_signed_enumeration_copy(md_maps, |
| 688 | in_field_class, out_field_class); |
| 689 | break; |
| 690 | case BT_FIELD_CLASS_TYPE_REAL: |
| 691 | ret = field_class_real_copy(md_maps, |
| 692 | in_field_class, out_field_class); |
| 693 | break; |
| 694 | case BT_FIELD_CLASS_TYPE_STRING: |
| 695 | ret = field_class_string_copy(md_maps, |
| 696 | in_field_class, out_field_class); |
| 697 | break; |
| 698 | case BT_FIELD_CLASS_TYPE_STRUCTURE: |
| 699 | ret = field_class_structure_copy(md_maps, |
| 700 | in_field_class, out_field_class); |
| 701 | break; |
| 702 | case BT_FIELD_CLASS_TYPE_STATIC_ARRAY: |
| 703 | ret = field_class_static_array_copy(md_maps, |
| 704 | in_field_class, out_field_class); |
| 705 | break; |
| 706 | case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY: |
| 707 | ret = field_class_dynamic_array_copy(md_maps, |
| 708 | in_field_class, out_field_class); |
| 709 | break; |
| 710 | case BT_FIELD_CLASS_TYPE_VARIANT: |
| 711 | ret = field_class_variant_copy(md_maps, |
| 712 | in_field_class, out_field_class); |
| 713 | break; |
| 714 | default: |
| 715 | abort(); |
| 716 | } |
| 717 | |
| 718 | return ret; |
| 719 | } |