| 1 | /* |
| 2 | * Babeltrace - Debug Information State Tracker |
| 3 | * |
| 4 | * Copyright (c) 2015 EfficiOS Inc. and Linux Foundation |
| 5 | * Copyright (c) 2015 Philippe Proulx <pproulx@efficios.com> |
| 6 | * Copyright (c) 2015 Antoine Busque <abusque@efficios.com> |
| 7 | * Copyright (c) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 8 | * Copyright (c) 2019 Francis Deslauriers <francis.deslauriers@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 | #define BT_COMP_LOG_SELF_COMP self_comp |
| 30 | #define BT_LOG_OUTPUT_LEVEL log_level |
| 31 | #define BT_LOG_TAG "PLUGIN/FLT.LTTNG-UTILS.DEBUG-INFO" |
| 32 | #include "logging/comp-logging.h" |
| 33 | |
| 34 | #include <glib.h> |
| 35 | |
| 36 | #include "common/assert.h" |
| 37 | #include "common/common.h" |
| 38 | #include "fd-cache/fd-cache.h" |
| 39 | |
| 40 | #include "bin-info.h" |
| 41 | #include "debug-info.h" |
| 42 | #include "trace-ir-data-copy.h" |
| 43 | #include "trace-ir-mapping.h" |
| 44 | #include "trace-ir-metadata-copy.h" |
| 45 | #include "utils.h" |
| 46 | #include "plugins/common/param-validation/param-validation.h" |
| 47 | |
| 48 | #define DEFAULT_DEBUG_INFO_FIELD_NAME "debug_info" |
| 49 | #define LTTNG_UST_STATEDUMP_PREFIX "lttng_ust" |
| 50 | #define VPID_FIELD_NAME "vpid" |
| 51 | #define IP_FIELD_NAME "ip" |
| 52 | #define BADDR_FIELD_NAME "baddr" |
| 53 | #define CRC32_FIELD_NAME "crc" |
| 54 | #define BUILD_ID_FIELD_NAME "build_id" |
| 55 | #define FILENAME_FIELD_NAME "filename" |
| 56 | #define IS_PIC_FIELD_NAME "is_pic" |
| 57 | #define MEMSZ_FIELD_NAME "memsz" |
| 58 | #define PATH_FIELD_NAME "path" |
| 59 | |
| 60 | struct debug_info_component { |
| 61 | bt_logging_level log_level; |
| 62 | bt_self_component *self_comp; |
| 63 | gchar *arg_debug_dir; |
| 64 | gchar *arg_debug_info_field_name; |
| 65 | gchar *arg_target_prefix; |
| 66 | bt_bool arg_full_path; |
| 67 | }; |
| 68 | |
| 69 | struct debug_info_msg_iter { |
| 70 | bt_logging_level log_level; |
| 71 | struct debug_info_component *debug_info_component; |
| 72 | bt_self_message_iterator *input_iterator; |
| 73 | bt_self_component *self_comp; |
| 74 | bt_self_component_port_input_message_iterator *msg_iter; |
| 75 | |
| 76 | struct trace_ir_maps *ir_maps; |
| 77 | /* in_trace -> debug_info_mapping. */ |
| 78 | GHashTable *debug_info_map; |
| 79 | |
| 80 | struct bt_fd_cache fd_cache; |
| 81 | }; |
| 82 | |
| 83 | struct debug_info_source { |
| 84 | /* Strings are owned by debug_info_source. */ |
| 85 | gchar *func; |
| 86 | /* |
| 87 | * Store the line number as a string so that the allocation and |
| 88 | * conversion to string is only done once. |
| 89 | */ |
| 90 | gchar *line_no; |
| 91 | gchar *src_path; |
| 92 | /* short_src_path points inside src_path, no need to free. */ |
| 93 | const gchar *short_src_path; |
| 94 | gchar *bin_path; |
| 95 | /* short_bin_path points inside bin_path, no need to free. */ |
| 96 | const gchar *short_bin_path; |
| 97 | /* |
| 98 | * Location within the binary. Either absolute (@0x1234) or |
| 99 | * relative (+0x4321). |
| 100 | */ |
| 101 | gchar *bin_loc; |
| 102 | }; |
| 103 | |
| 104 | struct proc_debug_info_sources { |
| 105 | /* |
| 106 | * Hash table: base address (pointer to uint64_t) to bin info; owned by |
| 107 | * proc_debug_info_sources. |
| 108 | */ |
| 109 | GHashTable *baddr_to_bin_info; |
| 110 | |
| 111 | /* |
| 112 | * Hash table: IP (pointer to uint64_t) to (struct debug_info_source *); |
| 113 | * owned by proc_debug_info_sources. |
| 114 | */ |
| 115 | GHashTable *ip_to_debug_info_src; |
| 116 | }; |
| 117 | |
| 118 | struct debug_info { |
| 119 | bt_logging_level log_level; |
| 120 | bt_self_component *self_comp; |
| 121 | struct debug_info_component *comp; |
| 122 | const bt_trace *input_trace; |
| 123 | bt_listener_id destruction_listener_id; |
| 124 | |
| 125 | /* |
| 126 | * Hash table of VPIDs (pointer to int64_t) to |
| 127 | * (struct proc_debug_info_sources*); owned by debug_info. |
| 128 | */ |
| 129 | GHashTable *vpid_to_proc_dbg_info_src; |
| 130 | GQuark q_statedump_bin_info; |
| 131 | GQuark q_statedump_debug_link; |
| 132 | GQuark q_statedump_build_id; |
| 133 | GQuark q_statedump_start; |
| 134 | GQuark q_dl_open; |
| 135 | GQuark q_lib_load; |
| 136 | GQuark q_lib_unload; |
| 137 | struct bt_fd_cache *fd_cache; /* Weak ref. Owned by the iterator. */ |
| 138 | }; |
| 139 | |
| 140 | static |
| 141 | int debug_info_init(struct debug_info *info) |
| 142 | { |
| 143 | info->q_statedump_bin_info = g_quark_from_string( |
| 144 | "lttng_ust_statedump:bin_info"); |
| 145 | info->q_statedump_debug_link = g_quark_from_string( |
| 146 | "lttng_ust_statedump:debug_link"); |
| 147 | info->q_statedump_build_id = g_quark_from_string( |
| 148 | "lttng_ust_statedump:build_id"); |
| 149 | info->q_statedump_start = g_quark_from_string( |
| 150 | "lttng_ust_statedump:start"); |
| 151 | info->q_dl_open = g_quark_from_string("lttng_ust_dl:dlopen"); |
| 152 | info->q_lib_load = g_quark_from_string("lttng_ust_lib:load"); |
| 153 | info->q_lib_unload = g_quark_from_string("lttng_ust_lib:unload"); |
| 154 | |
| 155 | return bin_info_init(info->log_level, info->self_comp); |
| 156 | } |
| 157 | |
| 158 | static |
| 159 | void debug_info_source_destroy(struct debug_info_source *debug_info_src) |
| 160 | { |
| 161 | if (!debug_info_src) { |
| 162 | return; |
| 163 | } |
| 164 | |
| 165 | g_free(debug_info_src->func); |
| 166 | g_free(debug_info_src->line_no); |
| 167 | g_free(debug_info_src->src_path); |
| 168 | g_free(debug_info_src->bin_path); |
| 169 | g_free(debug_info_src->bin_loc); |
| 170 | g_free(debug_info_src); |
| 171 | } |
| 172 | |
| 173 | static |
| 174 | struct debug_info_source *debug_info_source_create_from_bin( |
| 175 | struct bin_info *bin, uint64_t ip, |
| 176 | bt_self_component *self_comp) |
| 177 | { |
| 178 | int ret; |
| 179 | struct debug_info_source *debug_info_src = NULL; |
| 180 | struct source_location *src_loc = NULL; |
| 181 | bt_logging_level log_level = bin->log_level; |
| 182 | |
| 183 | debug_info_src = g_new0(struct debug_info_source, 1); |
| 184 | |
| 185 | if (!debug_info_src) { |
| 186 | goto end; |
| 187 | } |
| 188 | |
| 189 | /* Lookup function name */ |
| 190 | ret = bin_info_lookup_function_name(bin, ip, &debug_info_src->func); |
| 191 | if (ret) { |
| 192 | goto error; |
| 193 | } |
| 194 | |
| 195 | /* Can't retrieve src_loc from ELF, or could not find binary, skip. */ |
| 196 | if (!bin->is_elf_only || !debug_info_src->func) { |
| 197 | /* Lookup source location */ |
| 198 | ret = bin_info_lookup_source_location(bin, ip, &src_loc); |
| 199 | if (ret) { |
| 200 | BT_COMP_LOGI("Failed to lookup source location: ret=%d", ret); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | if (src_loc) { |
| 205 | debug_info_src->line_no = |
| 206 | g_strdup_printf("%"PRId64, src_loc->line_no); |
| 207 | if (!debug_info_src->line_no) { |
| 208 | BT_COMP_LOGE("Error occured when setting line_no field."); |
| 209 | goto error; |
| 210 | } |
| 211 | |
| 212 | if (src_loc->filename) { |
| 213 | debug_info_src->src_path = g_strdup(src_loc->filename); |
| 214 | if (!debug_info_src->src_path) { |
| 215 | goto error; |
| 216 | } |
| 217 | |
| 218 | debug_info_src->short_src_path = get_filename_from_path( |
| 219 | debug_info_src->src_path); |
| 220 | } |
| 221 | source_location_destroy(src_loc); |
| 222 | } |
| 223 | |
| 224 | if (bin->elf_path) { |
| 225 | debug_info_src->bin_path = g_strdup(bin->elf_path); |
| 226 | if (!debug_info_src->bin_path) { |
| 227 | goto error; |
| 228 | } |
| 229 | |
| 230 | debug_info_src->short_bin_path = get_filename_from_path( |
| 231 | debug_info_src->bin_path); |
| 232 | |
| 233 | ret = bin_info_get_bin_loc(bin, ip, &(debug_info_src->bin_loc)); |
| 234 | if (ret) { |
| 235 | goto error; |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | end: |
| 240 | return debug_info_src; |
| 241 | |
| 242 | error: |
| 243 | debug_info_source_destroy(debug_info_src); |
| 244 | return NULL; |
| 245 | } |
| 246 | |
| 247 | static |
| 248 | void proc_debug_info_sources_destroy( |
| 249 | struct proc_debug_info_sources *proc_dbg_info_src) |
| 250 | { |
| 251 | if (!proc_dbg_info_src) { |
| 252 | return; |
| 253 | } |
| 254 | |
| 255 | if (proc_dbg_info_src->baddr_to_bin_info) { |
| 256 | g_hash_table_destroy(proc_dbg_info_src->baddr_to_bin_info); |
| 257 | } |
| 258 | |
| 259 | if (proc_dbg_info_src->ip_to_debug_info_src) { |
| 260 | g_hash_table_destroy(proc_dbg_info_src->ip_to_debug_info_src); |
| 261 | } |
| 262 | |
| 263 | g_free(proc_dbg_info_src); |
| 264 | } |
| 265 | |
| 266 | static |
| 267 | struct proc_debug_info_sources *proc_debug_info_sources_create(void) |
| 268 | { |
| 269 | struct proc_debug_info_sources *proc_dbg_info_src = NULL; |
| 270 | |
| 271 | proc_dbg_info_src = g_new0(struct proc_debug_info_sources, 1); |
| 272 | if (!proc_dbg_info_src) { |
| 273 | goto end; |
| 274 | } |
| 275 | |
| 276 | proc_dbg_info_src->baddr_to_bin_info = g_hash_table_new_full( |
| 277 | g_int64_hash, g_int64_equal, (GDestroyNotify) g_free, |
| 278 | (GDestroyNotify) bin_info_destroy); |
| 279 | if (!proc_dbg_info_src->baddr_to_bin_info) { |
| 280 | goto error; |
| 281 | } |
| 282 | |
| 283 | proc_dbg_info_src->ip_to_debug_info_src = g_hash_table_new_full( |
| 284 | g_int64_hash, g_int64_equal, (GDestroyNotify) g_free, |
| 285 | (GDestroyNotify) debug_info_source_destroy); |
| 286 | if (!proc_dbg_info_src->ip_to_debug_info_src) { |
| 287 | goto error; |
| 288 | } |
| 289 | |
| 290 | end: |
| 291 | return proc_dbg_info_src; |
| 292 | |
| 293 | error: |
| 294 | proc_debug_info_sources_destroy(proc_dbg_info_src); |
| 295 | return NULL; |
| 296 | } |
| 297 | |
| 298 | static |
| 299 | struct proc_debug_info_sources *proc_debug_info_sources_ht_get_entry( |
| 300 | GHashTable *ht, int64_t vpid) |
| 301 | { |
| 302 | gpointer key = g_new0(int64_t, 1); |
| 303 | struct proc_debug_info_sources *proc_dbg_info_src = NULL; |
| 304 | |
| 305 | if (!key) { |
| 306 | goto end; |
| 307 | } |
| 308 | |
| 309 | *((int64_t *) key) = vpid; |
| 310 | |
| 311 | /* Exists? Return it */ |
| 312 | proc_dbg_info_src = g_hash_table_lookup(ht, key); |
| 313 | if (proc_dbg_info_src) { |
| 314 | goto end; |
| 315 | } |
| 316 | |
| 317 | /* Otherwise, create and return it */ |
| 318 | proc_dbg_info_src = proc_debug_info_sources_create(); |
| 319 | if (!proc_dbg_info_src) { |
| 320 | goto end; |
| 321 | } |
| 322 | |
| 323 | g_hash_table_insert(ht, key, proc_dbg_info_src); |
| 324 | /* Ownership passed to ht */ |
| 325 | key = NULL; |
| 326 | end: |
| 327 | g_free(key); |
| 328 | return proc_dbg_info_src; |
| 329 | } |
| 330 | |
| 331 | static inline |
| 332 | const bt_field *event_borrow_payload_field(const bt_event *event, |
| 333 | const char *field_name) |
| 334 | { |
| 335 | const bt_field *event_payload, *field; |
| 336 | |
| 337 | event_payload = bt_event_borrow_payload_field_const(event); |
| 338 | BT_ASSERT(event_payload); |
| 339 | |
| 340 | field = bt_field_structure_borrow_member_field_by_name_const( |
| 341 | event_payload, field_name); |
| 342 | return field; |
| 343 | } |
| 344 | |
| 345 | static inline |
| 346 | const bt_field *event_borrow_common_context_field(const bt_event *event, |
| 347 | const char *field_name) |
| 348 | { |
| 349 | const bt_field *event_common_ctx, *field = NULL; |
| 350 | |
| 351 | event_common_ctx = bt_event_borrow_common_context_field_const(event); |
| 352 | if (!event_common_ctx) { |
| 353 | goto end; |
| 354 | } |
| 355 | |
| 356 | field = bt_field_structure_borrow_member_field_by_name_const( |
| 357 | event_common_ctx, field_name); |
| 358 | |
| 359 | end: |
| 360 | return field; |
| 361 | } |
| 362 | |
| 363 | static inline |
| 364 | void event_get_common_context_signed_integer_field_value( |
| 365 | const bt_event *event, const char *field_name, int64_t *value) |
| 366 | { |
| 367 | *value = bt_field_integer_signed_get_value( |
| 368 | event_borrow_common_context_field(event, field_name)); |
| 369 | } |
| 370 | |
| 371 | static inline |
| 372 | int event_get_payload_build_id_length(const bt_event *event, |
| 373 | const char *field_name, uint64_t *build_id_len) |
| 374 | { |
| 375 | const bt_field *build_id_field; |
| 376 | const bt_field_class *build_id_field_class; |
| 377 | |
| 378 | build_id_field = event_borrow_payload_field(event, field_name); |
| 379 | build_id_field_class = bt_field_borrow_class_const(build_id_field); |
| 380 | |
| 381 | BT_ASSERT(bt_field_class_get_type(build_id_field_class) == |
| 382 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD || |
| 383 | bt_field_class_get_type(build_id_field_class) == |
| 384 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD); |
| 385 | BT_ASSERT(bt_field_class_get_type( |
| 386 | bt_field_class_array_borrow_element_field_class_const( |
| 387 | build_id_field_class)) == |
| 388 | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER); |
| 389 | |
| 390 | *build_id_len = bt_field_array_get_length(build_id_field); |
| 391 | |
| 392 | return 0; |
| 393 | } |
| 394 | |
| 395 | static inline |
| 396 | int event_get_payload_build_id_value(const bt_event *event, |
| 397 | const char *field_name, uint8_t *build_id) |
| 398 | { |
| 399 | const bt_field *curr_field, *build_id_field; |
| 400 | const bt_field_class *build_id_field_class; |
| 401 | uint64_t i, build_id_len; |
| 402 | int ret; |
| 403 | |
| 404 | ret = 0; |
| 405 | |
| 406 | build_id_field = event_borrow_payload_field(event, field_name); |
| 407 | build_id_field_class = bt_field_borrow_class_const(build_id_field); |
| 408 | |
| 409 | BT_ASSERT(bt_field_class_get_type(build_id_field_class) == |
| 410 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITHOUT_LENGTH_FIELD || |
| 411 | bt_field_class_get_type(build_id_field_class) == |
| 412 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY_WITH_LENGTH_FIELD); |
| 413 | BT_ASSERT(bt_field_class_get_type( |
| 414 | bt_field_class_array_borrow_element_field_class_const( |
| 415 | build_id_field_class)) == |
| 416 | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER); |
| 417 | |
| 418 | build_id_len = bt_field_array_get_length(build_id_field); |
| 419 | |
| 420 | for (i = 0; i < build_id_len; i++) { |
| 421 | curr_field = bt_field_array_borrow_element_field_by_index_const( |
| 422 | build_id_field, i); |
| 423 | |
| 424 | build_id[i] = bt_field_integer_unsigned_get_value(curr_field); |
| 425 | } |
| 426 | |
| 427 | return ret; |
| 428 | } |
| 429 | |
| 430 | static |
| 431 | void event_get_payload_unsigned_integer_field_value(const bt_event *event, |
| 432 | const char *field_name, uint64_t *value) |
| 433 | { |
| 434 | *value = bt_field_integer_unsigned_get_value( |
| 435 | event_borrow_payload_field(event, field_name)); |
| 436 | } |
| 437 | |
| 438 | static |
| 439 | void event_get_payload_string_field_value(const bt_event *event, |
| 440 | const char *field_name, const char **value) |
| 441 | { |
| 442 | *value = bt_field_string_get_value( |
| 443 | event_borrow_payload_field(event, field_name)); |
| 444 | } |
| 445 | |
| 446 | static inline |
| 447 | bool event_has_payload_field(const bt_event *event, |
| 448 | const char *field_name) |
| 449 | { |
| 450 | return event_borrow_payload_field(event, field_name); |
| 451 | } |
| 452 | |
| 453 | static |
| 454 | struct debug_info_source *proc_debug_info_sources_get_entry( |
| 455 | struct debug_info *debug_info, |
| 456 | struct proc_debug_info_sources *proc_dbg_info_src, uint64_t ip) |
| 457 | { |
| 458 | struct debug_info_source *debug_info_src = NULL; |
| 459 | gpointer key = g_new0(uint64_t, 1); |
| 460 | GHashTableIter iter; |
| 461 | gpointer baddr, value; |
| 462 | |
| 463 | if (!key) { |
| 464 | goto end; |
| 465 | } |
| 466 | |
| 467 | *((uint64_t *) key) = ip; |
| 468 | |
| 469 | /* Look in IP to debug infos hash table first. */ |
| 470 | debug_info_src = g_hash_table_lookup( |
| 471 | proc_dbg_info_src->ip_to_debug_info_src, key); |
| 472 | if (debug_info_src) { |
| 473 | goto end; |
| 474 | } |
| 475 | |
| 476 | /* Check in all bin_infos. */ |
| 477 | g_hash_table_iter_init(&iter, proc_dbg_info_src->baddr_to_bin_info); |
| 478 | |
| 479 | while (g_hash_table_iter_next(&iter, &baddr, &value)) |
| 480 | { |
| 481 | struct bin_info *bin = value; |
| 482 | |
| 483 | if (!bin_info_has_address(value, ip)) { |
| 484 | continue; |
| 485 | } |
| 486 | |
| 487 | /* |
| 488 | * Found; add it to cache. |
| 489 | * |
| 490 | * FIXME: this should be bounded in size (and implement |
| 491 | * a caching policy), and entries should be prunned when |
| 492 | * libraries are unmapped. |
| 493 | */ |
| 494 | debug_info_src = debug_info_source_create_from_bin(bin, ip, |
| 495 | debug_info->self_comp); |
| 496 | if (debug_info_src) { |
| 497 | g_hash_table_insert( |
| 498 | proc_dbg_info_src->ip_to_debug_info_src, key, |
| 499 | debug_info_src); |
| 500 | /* Ownership passed to ht. */ |
| 501 | key = NULL; |
| 502 | } |
| 503 | break; |
| 504 | } |
| 505 | |
| 506 | end: |
| 507 | free(key); |
| 508 | return debug_info_src; |
| 509 | } |
| 510 | |
| 511 | static |
| 512 | struct debug_info_source *debug_info_query(struct debug_info *debug_info, |
| 513 | int64_t vpid, uint64_t ip) |
| 514 | { |
| 515 | struct debug_info_source *dbg_info_src = NULL; |
| 516 | struct proc_debug_info_sources *proc_dbg_info_src; |
| 517 | |
| 518 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( |
| 519 | debug_info->vpid_to_proc_dbg_info_src, vpid); |
| 520 | if (!proc_dbg_info_src) { |
| 521 | goto end; |
| 522 | } |
| 523 | |
| 524 | dbg_info_src = proc_debug_info_sources_get_entry(debug_info, |
| 525 | proc_dbg_info_src, ip); |
| 526 | |
| 527 | end: |
| 528 | return dbg_info_src; |
| 529 | } |
| 530 | |
| 531 | static |
| 532 | struct debug_info *debug_info_create(struct debug_info_component *comp, |
| 533 | const bt_trace *trace, struct bt_fd_cache *fdc) |
| 534 | { |
| 535 | int ret; |
| 536 | struct debug_info *debug_info; |
| 537 | |
| 538 | BT_ASSERT(comp); |
| 539 | BT_ASSERT(trace); |
| 540 | BT_ASSERT(fdc); |
| 541 | |
| 542 | debug_info = g_new0(struct debug_info, 1); |
| 543 | if (!debug_info) { |
| 544 | goto end; |
| 545 | } |
| 546 | |
| 547 | debug_info->log_level = comp->log_level; |
| 548 | debug_info->self_comp = comp->self_comp; |
| 549 | debug_info->vpid_to_proc_dbg_info_src = g_hash_table_new_full( |
| 550 | g_int64_hash, g_int64_equal, (GDestroyNotify) g_free, |
| 551 | (GDestroyNotify) proc_debug_info_sources_destroy); |
| 552 | if (!debug_info->vpid_to_proc_dbg_info_src) { |
| 553 | goto error; |
| 554 | } |
| 555 | |
| 556 | debug_info->comp = comp; |
| 557 | ret = debug_info_init(debug_info); |
| 558 | if (ret) { |
| 559 | goto error; |
| 560 | } |
| 561 | |
| 562 | debug_info->input_trace = trace; |
| 563 | debug_info->fd_cache = fdc; |
| 564 | |
| 565 | end: |
| 566 | return debug_info; |
| 567 | error: |
| 568 | g_free(debug_info); |
| 569 | return NULL; |
| 570 | } |
| 571 | |
| 572 | static |
| 573 | void debug_info_destroy(struct debug_info *debug_info) |
| 574 | { |
| 575 | bt_logging_level log_level; |
| 576 | bt_self_component *self_comp; |
| 577 | bt_trace_remove_listener_status remove_listener_status; |
| 578 | if (!debug_info) { |
| 579 | goto end; |
| 580 | } |
| 581 | |
| 582 | log_level = debug_info->log_level; |
| 583 | self_comp = debug_info->self_comp; |
| 584 | |
| 585 | if (debug_info->vpid_to_proc_dbg_info_src) { |
| 586 | g_hash_table_destroy(debug_info->vpid_to_proc_dbg_info_src); |
| 587 | } |
| 588 | |
| 589 | remove_listener_status = bt_trace_remove_destruction_listener( |
| 590 | debug_info->input_trace, |
| 591 | debug_info->destruction_listener_id); |
| 592 | if (remove_listener_status != BT_TRACE_REMOVE_LISTENER_STATUS_OK) { |
| 593 | BT_COMP_LOGE("Trace destruction listener removal failed."); |
| 594 | bt_current_thread_clear_error(); |
| 595 | } |
| 596 | |
| 597 | g_free(debug_info); |
| 598 | end: |
| 599 | return; |
| 600 | } |
| 601 | |
| 602 | static |
| 603 | void handle_event_statedump_build_id(struct debug_info *debug_info, |
| 604 | const bt_event *event) |
| 605 | { |
| 606 | struct proc_debug_info_sources *proc_dbg_info_src; |
| 607 | uint64_t build_id_len, baddr; |
| 608 | uint8_t *build_id = NULL; |
| 609 | struct bin_info *bin; |
| 610 | int64_t vpid; |
| 611 | int ret = 0; |
| 612 | |
| 613 | event_get_common_context_signed_integer_field_value(event, |
| 614 | VPID_FIELD_NAME, &vpid); |
| 615 | event_get_payload_unsigned_integer_field_value(event, |
| 616 | BADDR_FIELD_NAME, &baddr); |
| 617 | |
| 618 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( |
| 619 | debug_info->vpid_to_proc_dbg_info_src, vpid); |
| 620 | if (!proc_dbg_info_src) { |
| 621 | goto end; |
| 622 | } |
| 623 | |
| 624 | bin = g_hash_table_lookup(proc_dbg_info_src->baddr_to_bin_info, |
| 625 | (gpointer) &baddr); |
| 626 | if (!bin) { |
| 627 | /* |
| 628 | * The build_id event comes after the bin has been |
| 629 | * created. If it isn't found, just ignore this event. |
| 630 | */ |
| 631 | goto end; |
| 632 | } |
| 633 | ret = event_get_payload_build_id_length(event, BUILD_ID_FIELD_NAME, |
| 634 | &build_id_len); |
| 635 | |
| 636 | build_id = g_new0(uint8_t, build_id_len); |
| 637 | if (!build_id) { |
| 638 | goto end; |
| 639 | } |
| 640 | |
| 641 | ret = event_get_payload_build_id_value(event, BUILD_ID_FIELD_NAME, |
| 642 | build_id); |
| 643 | if (ret) { |
| 644 | goto end; |
| 645 | } |
| 646 | |
| 647 | ret = bin_info_set_build_id(bin, build_id, build_id_len); |
| 648 | if (ret) { |
| 649 | goto end; |
| 650 | } |
| 651 | |
| 652 | /* |
| 653 | * Reset the is_elf_only flag in case it had been set |
| 654 | * previously, because we might find separate debug info using |
| 655 | * the new build id information. |
| 656 | */ |
| 657 | bin->is_elf_only = false; |
| 658 | |
| 659 | end: |
| 660 | g_free(build_id); |
| 661 | return; |
| 662 | } |
| 663 | |
| 664 | static |
| 665 | void handle_event_statedump_debug_link(struct debug_info *debug_info, |
| 666 | const bt_event *event) |
| 667 | { |
| 668 | struct proc_debug_info_sources *proc_dbg_info_src; |
| 669 | struct bin_info *bin = NULL; |
| 670 | int64_t vpid; |
| 671 | uint64_t baddr; |
| 672 | const char *filename = NULL; |
| 673 | uint32_t crc32; |
| 674 | uint64_t crc_field_value; |
| 675 | |
| 676 | event_get_common_context_signed_integer_field_value(event, |
| 677 | VPID_FIELD_NAME, &vpid); |
| 678 | |
| 679 | event_get_payload_unsigned_integer_field_value(event, |
| 680 | BADDR_FIELD_NAME, &baddr); |
| 681 | |
| 682 | event_get_payload_unsigned_integer_field_value(event, |
| 683 | CRC32_FIELD_NAME, &crc_field_value); |
| 684 | |
| 685 | crc32 = (uint32_t) crc_field_value; |
| 686 | |
| 687 | event_get_payload_string_field_value(event, |
| 688 | FILENAME_FIELD_NAME, &filename); |
| 689 | |
| 690 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( |
| 691 | debug_info->vpid_to_proc_dbg_info_src, vpid); |
| 692 | if (!proc_dbg_info_src) { |
| 693 | goto end; |
| 694 | } |
| 695 | |
| 696 | bin = g_hash_table_lookup(proc_dbg_info_src->baddr_to_bin_info, |
| 697 | (gpointer) &baddr); |
| 698 | if (!bin) { |
| 699 | /* |
| 700 | * The debug_link event comes after the bin has been |
| 701 | * created. If it isn't found, just ignore this event. |
| 702 | */ |
| 703 | goto end; |
| 704 | } |
| 705 | |
| 706 | bin_info_set_debug_link(bin, filename, crc32); |
| 707 | |
| 708 | end: |
| 709 | return; |
| 710 | } |
| 711 | |
| 712 | static |
| 713 | void handle_bin_info_event(struct debug_info *debug_info, |
| 714 | const bt_event *event, bool has_pic_field) |
| 715 | { |
| 716 | struct proc_debug_info_sources *proc_dbg_info_src; |
| 717 | struct bin_info *bin; |
| 718 | uint64_t baddr, memsz; |
| 719 | int64_t vpid; |
| 720 | const char *path; |
| 721 | gpointer key = NULL; |
| 722 | bool is_pic; |
| 723 | |
| 724 | event_get_payload_unsigned_integer_field_value(event, |
| 725 | MEMSZ_FIELD_NAME, &memsz); |
| 726 | if (memsz == 0) { |
| 727 | /* Ignore VDSO. */ |
| 728 | goto end; |
| 729 | } |
| 730 | |
| 731 | event_get_payload_unsigned_integer_field_value(event, |
| 732 | BADDR_FIELD_NAME, &baddr); |
| 733 | |
| 734 | /* |
| 735 | * This field is not produced by the dlopen event emitted before |
| 736 | * lttng-ust 2.9. |
| 737 | */ |
| 738 | if (!event_has_payload_field(event, PATH_FIELD_NAME)) { |
| 739 | goto end; |
| 740 | } |
| 741 | event_get_payload_string_field_value(event, PATH_FIELD_NAME, &path); |
| 742 | |
| 743 | if (has_pic_field) { |
| 744 | uint64_t is_pic_field_value; |
| 745 | |
| 746 | event_get_payload_unsigned_integer_field_value(event, |
| 747 | IS_PIC_FIELD_NAME, &is_pic_field_value); |
| 748 | is_pic = is_pic_field_value == 1; |
| 749 | } else { |
| 750 | /* |
| 751 | * dlopen has no is_pic field, because the shared |
| 752 | * object is always PIC. |
| 753 | */ |
| 754 | is_pic = true; |
| 755 | } |
| 756 | |
| 757 | event_get_common_context_signed_integer_field_value(event, |
| 758 | VPID_FIELD_NAME, &vpid); |
| 759 | |
| 760 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( |
| 761 | debug_info->vpid_to_proc_dbg_info_src, vpid); |
| 762 | if (!proc_dbg_info_src) { |
| 763 | goto end; |
| 764 | } |
| 765 | |
| 766 | key = g_new0(uint64_t, 1); |
| 767 | if (!key) { |
| 768 | goto end; |
| 769 | } |
| 770 | |
| 771 | *((uint64_t *) key) = baddr; |
| 772 | |
| 773 | bin = g_hash_table_lookup(proc_dbg_info_src->baddr_to_bin_info, key); |
| 774 | if (bin) { |
| 775 | goto end; |
| 776 | } |
| 777 | |
| 778 | bin = bin_info_create(debug_info->fd_cache, path, baddr, memsz, is_pic, |
| 779 | debug_info->comp->arg_debug_dir, |
| 780 | debug_info->comp->arg_target_prefix, |
| 781 | debug_info->log_level, debug_info->self_comp); |
| 782 | if (!bin) { |
| 783 | goto end; |
| 784 | } |
| 785 | |
| 786 | g_hash_table_insert(proc_dbg_info_src->baddr_to_bin_info, key, bin); |
| 787 | /* Ownership passed to ht. */ |
| 788 | key = NULL; |
| 789 | |
| 790 | end: |
| 791 | g_free(key); |
| 792 | return; |
| 793 | } |
| 794 | |
| 795 | static inline |
| 796 | void handle_event_statedump_bin_info(struct debug_info *debug_info, |
| 797 | const bt_event *event) |
| 798 | { |
| 799 | handle_bin_info_event(debug_info, event, true); |
| 800 | } |
| 801 | |
| 802 | static inline |
| 803 | void handle_event_lib_load(struct debug_info *debug_info, |
| 804 | const bt_event *event) |
| 805 | { |
| 806 | handle_bin_info_event(debug_info, event, false); |
| 807 | } |
| 808 | |
| 809 | static |
| 810 | void handle_event_lib_unload(struct debug_info *debug_info, |
| 811 | const bt_event *event) |
| 812 | { |
| 813 | gboolean ret; |
| 814 | struct proc_debug_info_sources *proc_dbg_info_src; |
| 815 | uint64_t baddr; |
| 816 | int64_t vpid; |
| 817 | |
| 818 | event_get_payload_unsigned_integer_field_value(event, BADDR_FIELD_NAME, |
| 819 | &baddr); |
| 820 | |
| 821 | event_get_common_context_signed_integer_field_value(event, |
| 822 | VPID_FIELD_NAME, &vpid); |
| 823 | |
| 824 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( |
| 825 | debug_info->vpid_to_proc_dbg_info_src, vpid); |
| 826 | if (!proc_dbg_info_src) { |
| 827 | /* |
| 828 | * It's an unload event for a library for which no load event |
| 829 | * was previously received. |
| 830 | */ |
| 831 | goto end; |
| 832 | } |
| 833 | |
| 834 | ret = g_hash_table_remove(proc_dbg_info_src->baddr_to_bin_info, |
| 835 | (gpointer) &baddr); |
| 836 | BT_ASSERT(ret); |
| 837 | end: |
| 838 | return; |
| 839 | } |
| 840 | |
| 841 | static |
| 842 | void handle_event_statedump_start(struct debug_info *debug_info, |
| 843 | const bt_event *event) |
| 844 | { |
| 845 | struct proc_debug_info_sources *proc_dbg_info_src; |
| 846 | int64_t vpid; |
| 847 | |
| 848 | event_get_common_context_signed_integer_field_value( |
| 849 | event, VPID_FIELD_NAME, &vpid); |
| 850 | |
| 851 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( |
| 852 | debug_info->vpid_to_proc_dbg_info_src, vpid); |
| 853 | if (!proc_dbg_info_src) { |
| 854 | goto end; |
| 855 | } |
| 856 | |
| 857 | g_hash_table_remove_all(proc_dbg_info_src->baddr_to_bin_info); |
| 858 | g_hash_table_remove_all(proc_dbg_info_src->ip_to_debug_info_src); |
| 859 | |
| 860 | end: |
| 861 | return; |
| 862 | } |
| 863 | |
| 864 | void trace_debug_info_remove_func(const bt_trace *in_trace, void *data) |
| 865 | { |
| 866 | struct debug_info_msg_iter *debug_it = data; |
| 867 | if (debug_it->debug_info_map) { |
| 868 | gboolean ret; |
| 869 | ret = g_hash_table_remove(debug_it->debug_info_map, |
| 870 | (gpointer) in_trace); |
| 871 | BT_ASSERT(ret); |
| 872 | } |
| 873 | } |
| 874 | |
| 875 | static |
| 876 | void handle_event_statedump(struct debug_info_msg_iter *debug_it, |
| 877 | const bt_event *event) |
| 878 | { |
| 879 | const bt_event_class *event_class; |
| 880 | const char *event_name; |
| 881 | GQuark q_event_name; |
| 882 | const bt_trace *trace; |
| 883 | struct debug_info *debug_info; |
| 884 | |
| 885 | BT_ASSERT(debug_it); |
| 886 | BT_ASSERT(event); |
| 887 | |
| 888 | event_class = bt_event_borrow_class_const(event); |
| 889 | |
| 890 | event_name = bt_event_class_get_name(event_class); |
| 891 | |
| 892 | trace = bt_stream_borrow_trace_const( |
| 893 | bt_event_borrow_stream_const(event)); |
| 894 | |
| 895 | debug_info = g_hash_table_lookup(debug_it->debug_info_map, trace); |
| 896 | if (!debug_info) { |
| 897 | bt_trace_add_listener_status add_listener_status; |
| 898 | |
| 899 | debug_info = debug_info_create(debug_it->debug_info_component, |
| 900 | trace, &debug_it->fd_cache); |
| 901 | g_hash_table_insert(debug_it->debug_info_map, (gpointer) trace, |
| 902 | debug_info); |
| 903 | add_listener_status = bt_trace_add_destruction_listener( |
| 904 | trace, trace_debug_info_remove_func, debug_it, |
| 905 | &debug_info->destruction_listener_id); |
| 906 | BT_ASSERT(add_listener_status == BT_TRACE_ADD_LISTENER_STATUS_OK); |
| 907 | } |
| 908 | |
| 909 | q_event_name = g_quark_try_string(event_name); |
| 910 | |
| 911 | if (q_event_name == debug_info->q_statedump_bin_info) { |
| 912 | /* State dump */ |
| 913 | handle_event_statedump_bin_info(debug_info, event); |
| 914 | } else if (q_event_name == debug_info->q_dl_open || |
| 915 | q_event_name == debug_info->q_lib_load) { |
| 916 | /* |
| 917 | * dl_open and lib_load events are both checked for since |
| 918 | * only dl_open was produced as of lttng-ust 2.8. |
| 919 | * |
| 920 | * lib_load, which is produced from lttng-ust 2.9+, is a lot |
| 921 | * more reliable since it will be emitted when other functions |
| 922 | * of the dlopen family are called (e.g. dlmopen) and when |
| 923 | * library are transitively loaded. |
| 924 | */ |
| 925 | handle_event_lib_load(debug_info, event); |
| 926 | } else if (q_event_name == debug_info->q_statedump_start) { |
| 927 | /* Start state dump */ |
| 928 | handle_event_statedump_start(debug_info, event); |
| 929 | } else if (q_event_name == debug_info->q_statedump_debug_link) { |
| 930 | /* Debug link info */ |
| 931 | handle_event_statedump_debug_link(debug_info, event); |
| 932 | } else if (q_event_name == debug_info->q_statedump_build_id) { |
| 933 | /* Build ID info */ |
| 934 | handle_event_statedump_build_id(debug_info, event); |
| 935 | } else if (q_event_name == debug_info-> q_lib_unload) { |
| 936 | handle_event_lib_unload(debug_info, event); |
| 937 | } |
| 938 | |
| 939 | return; |
| 940 | } |
| 941 | |
| 942 | static |
| 943 | void destroy_debug_info_comp(struct debug_info_component *debug_info) |
| 944 | { |
| 945 | if (!debug_info) { |
| 946 | return; |
| 947 | } |
| 948 | |
| 949 | g_free(debug_info->arg_debug_dir); |
| 950 | g_free(debug_info->arg_debug_info_field_name); |
| 951 | g_free(debug_info->arg_target_prefix); |
| 952 | g_free(debug_info); |
| 953 | } |
| 954 | |
| 955 | static |
| 956 | void fill_debug_info_bin_field(struct debug_info_source *dbg_info_src, |
| 957 | bool full_path, bt_field *curr_field, |
| 958 | bt_logging_level log_level, bt_self_component *self_comp) |
| 959 | { |
| 960 | bt_field_string_set_value_status set_status; |
| 961 | bt_field_string_append_status append_status; |
| 962 | |
| 963 | BT_ASSERT(bt_field_get_class_type(curr_field) == |
| 964 | BT_FIELD_CLASS_TYPE_STRING); |
| 965 | |
| 966 | if (dbg_info_src) { |
| 967 | if (full_path) { |
| 968 | set_status = bt_field_string_set_value(curr_field, |
| 969 | dbg_info_src->bin_path); |
| 970 | } else { |
| 971 | set_status = bt_field_string_set_value(curr_field, |
| 972 | dbg_info_src->short_bin_path); |
| 973 | } |
| 974 | if (set_status != BT_FIELD_STRING_SET_VALUE_STATUS_OK) { |
| 975 | BT_COMP_LOGE("Cannot set path component of \"bin\" " |
| 976 | "curr_field field's value: str-fc-addr=%p", |
| 977 | curr_field); |
| 978 | bt_current_thread_clear_error(); |
| 979 | } |
| 980 | |
| 981 | append_status = bt_field_string_append(curr_field, |
| 982 | dbg_info_src->bin_loc); |
| 983 | if (append_status != BT_FIELD_STRING_APPEND_STATUS_OK) { |
| 984 | BT_COMP_LOGE("Cannot set bin location component of \"bin\" " |
| 985 | "curr_field field's value: str-fc-addr=%p", |
| 986 | curr_field); |
| 987 | bt_current_thread_clear_error(); |
| 988 | } |
| 989 | } else { |
| 990 | set_status = bt_field_string_set_value(curr_field, ""); |
| 991 | if (set_status != BT_FIELD_STRING_SET_VALUE_STATUS_OK) { |
| 992 | BT_COMP_LOGE("Cannot set \"bin\" curr_field field's value: " |
| 993 | "str-fc-addr=%p", curr_field); |
| 994 | bt_current_thread_clear_error(); |
| 995 | } |
| 996 | } |
| 997 | } |
| 998 | |
| 999 | static |
| 1000 | void fill_debug_info_func_field(struct debug_info_source *dbg_info_src, |
| 1001 | bt_field *curr_field, bt_logging_level log_level, |
| 1002 | bt_self_component *self_comp) |
| 1003 | { |
| 1004 | bt_field_string_set_value_status status; |
| 1005 | |
| 1006 | BT_ASSERT(bt_field_get_class_type(curr_field) == |
| 1007 | BT_FIELD_CLASS_TYPE_STRING); |
| 1008 | if (dbg_info_src && dbg_info_src->func) { |
| 1009 | status = bt_field_string_set_value(curr_field, |
| 1010 | dbg_info_src->func); |
| 1011 | } else { |
| 1012 | status = bt_field_string_set_value(curr_field, ""); |
| 1013 | } |
| 1014 | if (status != BT_FIELD_STRING_SET_VALUE_STATUS_OK) { |
| 1015 | BT_COMP_LOGE("Cannot set \"func\" curr_field field's value: " |
| 1016 | "str-fc-addr=%p", curr_field); |
| 1017 | bt_current_thread_clear_error(); |
| 1018 | } |
| 1019 | } |
| 1020 | |
| 1021 | static |
| 1022 | void fill_debug_info_src_field(struct debug_info_source *dbg_info_src, |
| 1023 | bool full_path, bt_field *curr_field, |
| 1024 | bt_logging_level log_level, |
| 1025 | bt_self_component *self_comp) |
| 1026 | { |
| 1027 | bt_field_string_set_value_status set_status; |
| 1028 | bt_field_string_append_status append_status; |
| 1029 | |
| 1030 | BT_ASSERT(bt_field_get_class_type(curr_field) == |
| 1031 | BT_FIELD_CLASS_TYPE_STRING); |
| 1032 | |
| 1033 | if (dbg_info_src && dbg_info_src->src_path) { |
| 1034 | if (full_path) { |
| 1035 | set_status = bt_field_string_set_value(curr_field, |
| 1036 | dbg_info_src->src_path); |
| 1037 | } else { |
| 1038 | set_status = bt_field_string_set_value(curr_field, |
| 1039 | dbg_info_src->short_src_path); |
| 1040 | } |
| 1041 | if (set_status != BT_FIELD_STRING_SET_VALUE_STATUS_OK) { |
| 1042 | BT_COMP_LOGE("Cannot set path component of \"src\" " |
| 1043 | "curr_field field's value: str-fc-addr=%p", |
| 1044 | curr_field); |
| 1045 | bt_current_thread_clear_error(); |
| 1046 | } |
| 1047 | |
| 1048 | append_status = bt_field_string_append(curr_field, ":"); |
| 1049 | if (append_status != BT_FIELD_STRING_APPEND_STATUS_OK) { |
| 1050 | BT_COMP_LOGE("Cannot set colon component of \"src\" " |
| 1051 | "curr_field field's value: str-fc-addr=%p", |
| 1052 | curr_field); |
| 1053 | bt_current_thread_clear_error(); |
| 1054 | } |
| 1055 | |
| 1056 | append_status = bt_field_string_append(curr_field, |
| 1057 | dbg_info_src->line_no); |
| 1058 | if (append_status != BT_FIELD_STRING_APPEND_STATUS_OK) { |
| 1059 | BT_COMP_LOGE("Cannot set line number component of \"src\" " |
| 1060 | "curr_field field's value: str-fc-addr=%p", |
| 1061 | curr_field); |
| 1062 | bt_current_thread_clear_error(); |
| 1063 | } |
| 1064 | } else { |
| 1065 | set_status = bt_field_string_set_value(curr_field, ""); |
| 1066 | if (set_status != BT_FIELD_STRING_SET_VALUE_STATUS_OK) { |
| 1067 | BT_COMP_LOGE("Cannot set \"src\" curr_field field's value: " |
| 1068 | "str-fc-addr=%p", curr_field); |
| 1069 | bt_current_thread_clear_error(); |
| 1070 | } |
| 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | static |
| 1075 | void fill_debug_info_field_empty(bt_field *debug_info_field, |
| 1076 | bt_logging_level log_level, bt_self_component *self_comp) |
| 1077 | { |
| 1078 | bt_field_string_set_value_status status; |
| 1079 | bt_field *bin_field, *func_field, *src_field; |
| 1080 | |
| 1081 | BT_ASSERT(bt_field_get_class_type(debug_info_field) == |
| 1082 | BT_FIELD_CLASS_TYPE_STRUCTURE); |
| 1083 | |
| 1084 | bin_field = bt_field_structure_borrow_member_field_by_name( |
| 1085 | debug_info_field, "bin"); |
| 1086 | func_field = bt_field_structure_borrow_member_field_by_name( |
| 1087 | debug_info_field, "func"); |
| 1088 | src_field = bt_field_structure_borrow_member_field_by_name( |
| 1089 | debug_info_field, "src"); |
| 1090 | |
| 1091 | BT_ASSERT(bt_field_get_class_type(bin_field) == |
| 1092 | BT_FIELD_CLASS_TYPE_STRING); |
| 1093 | BT_ASSERT(bt_field_get_class_type(func_field) == |
| 1094 | BT_FIELD_CLASS_TYPE_STRING); |
| 1095 | BT_ASSERT(bt_field_get_class_type(src_field) == |
| 1096 | BT_FIELD_CLASS_TYPE_STRING); |
| 1097 | |
| 1098 | status = bt_field_string_set_value(bin_field, ""); |
| 1099 | if (status != BT_FIELD_STRING_SET_VALUE_STATUS_OK) { |
| 1100 | BT_COMP_LOGE("Cannot set \"bin\" bin_field field's value: " |
| 1101 | "str-fc-addr=%p", bin_field); |
| 1102 | bt_current_thread_clear_error(); |
| 1103 | } |
| 1104 | |
| 1105 | status = bt_field_string_set_value(func_field, ""); |
| 1106 | if (status != BT_FIELD_STRING_SET_VALUE_STATUS_OK) { |
| 1107 | BT_COMP_LOGE("Cannot set \"func\" func_field field's value: " |
| 1108 | "str-fc-addr=%p", func_field); |
| 1109 | bt_current_thread_clear_error(); |
| 1110 | } |
| 1111 | |
| 1112 | status = bt_field_string_set_value(src_field, ""); |
| 1113 | if (status != BT_FIELD_STRING_SET_VALUE_STATUS_OK) { |
| 1114 | BT_COMP_LOGE("Cannot set \"src\" src_field field's value: " |
| 1115 | "str-fc-addr=%p", src_field); |
| 1116 | bt_current_thread_clear_error(); |
| 1117 | } |
| 1118 | } |
| 1119 | static |
| 1120 | void fill_debug_info_field(struct debug_info *debug_info, int64_t vpid, |
| 1121 | uint64_t ip, bt_field *debug_info_field) |
| 1122 | { |
| 1123 | struct debug_info_source *dbg_info_src; |
| 1124 | const bt_field_class *debug_info_fc; |
| 1125 | |
| 1126 | BT_ASSERT(bt_field_get_class_type(debug_info_field) == |
| 1127 | BT_FIELD_CLASS_TYPE_STRUCTURE); |
| 1128 | |
| 1129 | debug_info_fc = bt_field_borrow_class_const(debug_info_field); |
| 1130 | |
| 1131 | BT_ASSERT(bt_field_class_structure_get_member_count(debug_info_fc) == 3); |
| 1132 | |
| 1133 | dbg_info_src = debug_info_query(debug_info, vpid, ip); |
| 1134 | |
| 1135 | fill_debug_info_bin_field(dbg_info_src, |
| 1136 | debug_info->comp->arg_full_path, |
| 1137 | bt_field_structure_borrow_member_field_by_name( |
| 1138 | debug_info_field, "bin"), |
| 1139 | debug_info->log_level, debug_info->self_comp); |
| 1140 | fill_debug_info_func_field(dbg_info_src, |
| 1141 | bt_field_structure_borrow_member_field_by_name( |
| 1142 | debug_info_field, "func"), |
| 1143 | debug_info->log_level, debug_info->self_comp); |
| 1144 | fill_debug_info_src_field(dbg_info_src, |
| 1145 | debug_info->comp->arg_full_path, |
| 1146 | bt_field_structure_borrow_member_field_by_name( |
| 1147 | debug_info_field, "src"), |
| 1148 | debug_info->log_level, debug_info->self_comp); |
| 1149 | } |
| 1150 | |
| 1151 | static |
| 1152 | void fill_debug_info_event_if_needed(struct debug_info_msg_iter *debug_it, |
| 1153 | const bt_event *in_event, bt_event *out_event) |
| 1154 | { |
| 1155 | bt_field *out_common_ctx_field, *out_debug_info_field; |
| 1156 | const bt_field *vpid_field, *ip_field, *in_common_ctx_field; |
| 1157 | const bt_field_class *in_common_ctx_fc; |
| 1158 | struct debug_info *debug_info; |
| 1159 | uint64_t vpid; |
| 1160 | int64_t ip; |
| 1161 | gchar *debug_info_field_name = |
| 1162 | debug_it->debug_info_component->arg_debug_info_field_name; |
| 1163 | bt_logging_level log_level = debug_it->log_level; |
| 1164 | bt_self_component *self_comp = debug_it->self_comp; |
| 1165 | |
| 1166 | in_common_ctx_field = bt_event_borrow_common_context_field_const( |
| 1167 | in_event); |
| 1168 | if (!in_common_ctx_field) { |
| 1169 | /* |
| 1170 | * There is no event common context so no need to add debug |
| 1171 | * info field. |
| 1172 | */ |
| 1173 | goto end; |
| 1174 | } |
| 1175 | |
| 1176 | in_common_ctx_fc = bt_field_borrow_class_const(in_common_ctx_field); |
| 1177 | if (!is_event_common_ctx_dbg_info_compatible(in_common_ctx_fc, |
| 1178 | debug_it->ir_maps->debug_info_field_class_name)) { |
| 1179 | /* |
| 1180 | * The input event common context does not have the necessary |
| 1181 | * fields to resolve debug information. |
| 1182 | */ |
| 1183 | goto end; |
| 1184 | } |
| 1185 | |
| 1186 | /* Borrow the debug-info field. */ |
| 1187 | out_common_ctx_field = bt_event_borrow_common_context_field(out_event); |
| 1188 | if (!out_common_ctx_field) { |
| 1189 | goto end; |
| 1190 | } |
| 1191 | |
| 1192 | out_debug_info_field = bt_field_structure_borrow_member_field_by_name( |
| 1193 | out_common_ctx_field, debug_info_field_name); |
| 1194 | |
| 1195 | vpid_field = bt_field_structure_borrow_member_field_by_name_const( |
| 1196 | out_common_ctx_field, VPID_FIELD_NAME); |
| 1197 | ip_field = bt_field_structure_borrow_member_field_by_name_const( |
| 1198 | out_common_ctx_field, IP_FIELD_NAME); |
| 1199 | |
| 1200 | vpid = bt_field_integer_signed_get_value(vpid_field); |
| 1201 | ip = bt_field_integer_unsigned_get_value(ip_field); |
| 1202 | |
| 1203 | /* |
| 1204 | * Borrow the debug_info structure needed for the source |
| 1205 | * resolving. |
| 1206 | */ |
| 1207 | debug_info = g_hash_table_lookup(debug_it->debug_info_map, |
| 1208 | bt_stream_borrow_trace_const( |
| 1209 | bt_event_borrow_stream_const(in_event))); |
| 1210 | |
| 1211 | if (debug_info) { |
| 1212 | /* |
| 1213 | * Perform the debug-info resolving and set the event fields |
| 1214 | * accordingly. |
| 1215 | */ |
| 1216 | fill_debug_info_field(debug_info, vpid, ip, out_debug_info_field); |
| 1217 | } else { |
| 1218 | BT_COMP_LOGD("No debug information for this trace. Setting debug " |
| 1219 | "info fields to empty strings."); |
| 1220 | fill_debug_info_field_empty(out_debug_info_field, |
| 1221 | log_level, self_comp); |
| 1222 | } |
| 1223 | end: |
| 1224 | return; |
| 1225 | } |
| 1226 | |
| 1227 | static |
| 1228 | void update_event_statedump_if_needed(struct debug_info_msg_iter *debug_it, |
| 1229 | const bt_event *in_event) |
| 1230 | { |
| 1231 | const bt_field *event_common_ctx; |
| 1232 | const bt_field_class *event_common_ctx_fc; |
| 1233 | const bt_event_class *in_event_class = bt_event_borrow_class_const(in_event); |
| 1234 | |
| 1235 | /* |
| 1236 | * If the event is an lttng_ust_statedump event AND has the right event |
| 1237 | * common context fields update the debug-info view for this process. |
| 1238 | */ |
| 1239 | event_common_ctx = bt_event_borrow_common_context_field_const(in_event); |
| 1240 | if (!event_common_ctx) { |
| 1241 | goto end; |
| 1242 | } |
| 1243 | |
| 1244 | event_common_ctx_fc = bt_field_borrow_class_const(event_common_ctx); |
| 1245 | if (is_event_common_ctx_dbg_info_compatible(event_common_ctx_fc, |
| 1246 | debug_it->ir_maps->debug_info_field_class_name)) { |
| 1247 | /* Checkout if it might be a one of lttng ust statedump events. */ |
| 1248 | const char *in_event_name = bt_event_class_get_name(in_event_class); |
| 1249 | if (strncmp(in_event_name, LTTNG_UST_STATEDUMP_PREFIX, |
| 1250 | strlen(LTTNG_UST_STATEDUMP_PREFIX)) == 0) { |
| 1251 | /* Handle statedump events. */ |
| 1252 | handle_event_statedump(debug_it, in_event); |
| 1253 | } |
| 1254 | } |
| 1255 | end: |
| 1256 | return; |
| 1257 | } |
| 1258 | |
| 1259 | static |
| 1260 | bt_message *handle_event_message(struct debug_info_msg_iter *debug_it, |
| 1261 | const bt_message *in_message) |
| 1262 | { |
| 1263 | const bt_clock_snapshot *cs; |
| 1264 | const bt_clock_class *default_cc; |
| 1265 | const bt_packet *in_packet; |
| 1266 | const bt_stream *in_stream; |
| 1267 | const bt_stream *out_stream; |
| 1268 | bt_event_class *out_event_class; |
| 1269 | bt_packet *out_packet = NULL; |
| 1270 | bt_event *out_event; |
| 1271 | bt_logging_level log_level = debug_it->log_level; |
| 1272 | bt_self_component *self_comp = debug_it->self_comp; |
| 1273 | |
| 1274 | bt_message *out_message = NULL; |
| 1275 | |
| 1276 | /* Borrow the input event and its event class. */ |
| 1277 | const bt_event *in_event = |
| 1278 | bt_message_event_borrow_event_const(in_message); |
| 1279 | const bt_event_class *in_event_class = |
| 1280 | bt_event_borrow_class_const(in_event); |
| 1281 | |
| 1282 | update_event_statedump_if_needed(debug_it, in_event); |
| 1283 | |
| 1284 | out_event_class = trace_ir_mapping_borrow_mapped_event_class( |
| 1285 | debug_it->ir_maps, in_event_class); |
| 1286 | if (!out_event_class) { |
| 1287 | out_event_class = trace_ir_mapping_create_new_mapped_event_class( |
| 1288 | debug_it->ir_maps, in_event_class); |
| 1289 | } |
| 1290 | BT_ASSERT(out_event_class); |
| 1291 | |
| 1292 | /* Borrow the input stream. */ |
| 1293 | in_stream = bt_event_borrow_stream_const(in_event); |
| 1294 | BT_ASSERT(in_stream); |
| 1295 | out_stream = trace_ir_mapping_borrow_mapped_stream(debug_it->ir_maps, |
| 1296 | in_stream); |
| 1297 | BT_ASSERT(in_stream); |
| 1298 | |
| 1299 | /* Borrow the input and output packets. */ |
| 1300 | in_packet = bt_event_borrow_packet_const(in_event); |
| 1301 | if (in_packet) { |
| 1302 | out_packet = trace_ir_mapping_borrow_mapped_packet( |
| 1303 | debug_it->ir_maps, in_packet); |
| 1304 | } |
| 1305 | |
| 1306 | default_cc = bt_stream_class_borrow_default_clock_class_const( |
| 1307 | bt_event_class_borrow_stream_class_const(in_event_class)); |
| 1308 | if (default_cc) { |
| 1309 | /* Borrow event clock snapshot. */ |
| 1310 | cs = bt_message_event_borrow_default_clock_snapshot_const( |
| 1311 | in_message); |
| 1312 | |
| 1313 | /* Create an output event message. */ |
| 1314 | if (out_packet) { |
| 1315 | out_message = |
| 1316 | bt_message_event_create_with_packet_and_default_clock_snapshot( |
| 1317 | debug_it->input_iterator, |
| 1318 | out_event_class, out_packet, |
| 1319 | bt_clock_snapshot_get_value(cs)); |
| 1320 | } else { |
| 1321 | out_message = |
| 1322 | bt_message_event_create_with_default_clock_snapshot( |
| 1323 | debug_it->input_iterator, |
| 1324 | out_event_class, out_stream, |
| 1325 | bt_clock_snapshot_get_value(cs)); |
| 1326 | } |
| 1327 | } else { |
| 1328 | if (out_packet) { |
| 1329 | out_message = bt_message_event_create_with_packet( |
| 1330 | debug_it->input_iterator, out_event_class, |
| 1331 | out_packet); |
| 1332 | } else { |
| 1333 | out_message = bt_message_event_create( |
| 1334 | debug_it->input_iterator, out_event_class, |
| 1335 | out_stream); |
| 1336 | } |
| 1337 | } |
| 1338 | |
| 1339 | if (!out_message) { |
| 1340 | BT_COMP_LOGE("Error creating output event message."); |
| 1341 | goto error; |
| 1342 | } |
| 1343 | |
| 1344 | out_event = bt_message_event_borrow_event(out_message); |
| 1345 | |
| 1346 | /* Copy the original fields to the output event. */ |
| 1347 | copy_event_content(in_event, out_event, log_level, self_comp); |
| 1348 | |
| 1349 | /* |
| 1350 | * Try to set the debug-info fields based on debug information that is |
| 1351 | * gathered so far. |
| 1352 | */ |
| 1353 | fill_debug_info_event_if_needed(debug_it, in_event, out_event); |
| 1354 | |
| 1355 | error: |
| 1356 | return out_message; |
| 1357 | } |
| 1358 | |
| 1359 | static |
| 1360 | bt_message *handle_stream_begin_message(struct debug_info_msg_iter *debug_it, |
| 1361 | const bt_message *in_message) |
| 1362 | { |
| 1363 | const bt_stream *in_stream; |
| 1364 | bt_message *out_message; |
| 1365 | bt_stream *out_stream; |
| 1366 | bt_logging_level log_level = debug_it->log_level; |
| 1367 | bt_self_component *self_comp = debug_it->self_comp; |
| 1368 | |
| 1369 | in_stream = bt_message_stream_beginning_borrow_stream_const(in_message); |
| 1370 | BT_ASSERT(in_stream); |
| 1371 | |
| 1372 | /* Create a duplicated output stream. */ |
| 1373 | out_stream = trace_ir_mapping_create_new_mapped_stream( |
| 1374 | debug_it->ir_maps, in_stream); |
| 1375 | if (!out_stream) { |
| 1376 | out_message = NULL; |
| 1377 | goto error; |
| 1378 | } |
| 1379 | |
| 1380 | /* Create an output stream beginning message. */ |
| 1381 | out_message = bt_message_stream_beginning_create( |
| 1382 | debug_it->input_iterator, out_stream); |
| 1383 | if (!out_message) { |
| 1384 | BT_COMP_LOGE("Error creating output stream beginning message: " |
| 1385 | "out-s-addr=%p", out_stream); |
| 1386 | } |
| 1387 | error: |
| 1388 | return out_message; |
| 1389 | } |
| 1390 | |
| 1391 | static |
| 1392 | bt_message *handle_stream_end_message(struct debug_info_msg_iter *debug_it, |
| 1393 | const bt_message *in_message) |
| 1394 | { |
| 1395 | const bt_stream *in_stream; |
| 1396 | bt_message *out_message = NULL; |
| 1397 | bt_stream *out_stream; |
| 1398 | bt_logging_level log_level = debug_it->log_level; |
| 1399 | bt_self_component *self_comp = debug_it->self_comp; |
| 1400 | |
| 1401 | in_stream = bt_message_stream_end_borrow_stream_const(in_message); |
| 1402 | BT_ASSERT(in_stream); |
| 1403 | |
| 1404 | out_stream = trace_ir_mapping_borrow_mapped_stream( |
| 1405 | debug_it->ir_maps, in_stream); |
| 1406 | BT_ASSERT(out_stream); |
| 1407 | |
| 1408 | /* Create an output stream end message. */ |
| 1409 | out_message = bt_message_stream_end_create(debug_it->input_iterator, |
| 1410 | out_stream); |
| 1411 | if (!out_message) { |
| 1412 | BT_COMP_LOGE("Error creating output stream end message: out-s-addr=%p", |
| 1413 | out_stream); |
| 1414 | goto end; |
| 1415 | } |
| 1416 | |
| 1417 | /* Remove stream from trace mapping hashtable. */ |
| 1418 | trace_ir_mapping_remove_mapped_stream(debug_it->ir_maps, in_stream); |
| 1419 | |
| 1420 | end: |
| 1421 | return out_message; |
| 1422 | } |
| 1423 | |
| 1424 | static |
| 1425 | bt_message *handle_packet_begin_message(struct debug_info_msg_iter *debug_it, |
| 1426 | const bt_message *in_message) |
| 1427 | { |
| 1428 | bool has_default_clock_snapshot; |
| 1429 | const bt_clock_snapshot *cs; |
| 1430 | bt_message *out_message = NULL; |
| 1431 | bt_packet *out_packet; |
| 1432 | bt_logging_level log_level = debug_it->log_level; |
| 1433 | bt_self_component *self_comp = debug_it->self_comp; |
| 1434 | |
| 1435 | const bt_packet *in_packet = |
| 1436 | bt_message_packet_beginning_borrow_packet_const(in_message); |
| 1437 | BT_ASSERT(in_packet); |
| 1438 | |
| 1439 | /* This packet should not be already mapped. */ |
| 1440 | BT_ASSERT(!trace_ir_mapping_borrow_mapped_packet( |
| 1441 | debug_it->ir_maps, in_packet)); |
| 1442 | |
| 1443 | out_packet = trace_ir_mapping_create_new_mapped_packet(debug_it->ir_maps, |
| 1444 | in_packet); |
| 1445 | |
| 1446 | BT_ASSERT(out_packet); |
| 1447 | |
| 1448 | has_default_clock_snapshot = |
| 1449 | bt_stream_class_packets_have_beginning_default_clock_snapshot( |
| 1450 | bt_stream_borrow_class_const( |
| 1451 | bt_packet_borrow_stream_const(in_packet))); |
| 1452 | if (has_default_clock_snapshot) { |
| 1453 | /* Borrow clock snapshot. */ |
| 1454 | cs = bt_message_packet_beginning_borrow_default_clock_snapshot_const( |
| 1455 | in_message); |
| 1456 | |
| 1457 | /* Create an output packet beginning message. */ |
| 1458 | out_message = bt_message_packet_beginning_create_with_default_clock_snapshot( |
| 1459 | debug_it->input_iterator, out_packet, |
| 1460 | bt_clock_snapshot_get_value(cs)); |
| 1461 | } else { |
| 1462 | out_message = bt_message_packet_beginning_create( |
| 1463 | debug_it->input_iterator, out_packet); |
| 1464 | } |
| 1465 | if (!out_message) { |
| 1466 | BT_COMP_LOGE("Error creating output packet beginning message: " |
| 1467 | "out-p-addr=%p", out_packet); |
| 1468 | } |
| 1469 | |
| 1470 | return out_message; |
| 1471 | } |
| 1472 | |
| 1473 | static |
| 1474 | bt_message *handle_packet_end_message(struct debug_info_msg_iter *debug_it, |
| 1475 | const bt_message *in_message) |
| 1476 | { |
| 1477 | bool has_default_clock_snapshot; |
| 1478 | const bt_clock_snapshot *cs; |
| 1479 | const bt_packet *in_packet; |
| 1480 | bt_message *out_message = NULL; |
| 1481 | bt_packet *out_packet; |
| 1482 | bt_logging_level log_level = debug_it->log_level; |
| 1483 | bt_self_component *self_comp = debug_it->self_comp; |
| 1484 | |
| 1485 | in_packet = bt_message_packet_end_borrow_packet_const(in_message); |
| 1486 | BT_ASSERT(in_packet); |
| 1487 | |
| 1488 | out_packet = trace_ir_mapping_borrow_mapped_packet(debug_it->ir_maps, in_packet); |
| 1489 | BT_ASSERT(out_packet); |
| 1490 | |
| 1491 | has_default_clock_snapshot = |
| 1492 | bt_stream_class_packets_have_end_default_clock_snapshot( |
| 1493 | bt_stream_borrow_class_const( |
| 1494 | bt_packet_borrow_stream_const(in_packet))); |
| 1495 | if (has_default_clock_snapshot) { |
| 1496 | /* Borrow clock snapshot. */ |
| 1497 | cs = bt_message_packet_end_borrow_default_clock_snapshot_const( |
| 1498 | in_message); |
| 1499 | |
| 1500 | /* Create an outpute packet end message. */ |
| 1501 | out_message = bt_message_packet_end_create_with_default_clock_snapshot( |
| 1502 | debug_it->input_iterator, out_packet, |
| 1503 | bt_clock_snapshot_get_value(cs)); |
| 1504 | } else { |
| 1505 | out_message = bt_message_packet_end_create( |
| 1506 | debug_it->input_iterator, out_packet); |
| 1507 | } |
| 1508 | |
| 1509 | if (!out_message) { |
| 1510 | BT_COMP_LOGE("Error creating output packet end message: " |
| 1511 | "out-p-addr=%p", out_packet); |
| 1512 | goto end; |
| 1513 | } |
| 1514 | |
| 1515 | /* Remove packet from data mapping hashtable. */ |
| 1516 | trace_ir_mapping_remove_mapped_packet(debug_it->ir_maps, in_packet); |
| 1517 | |
| 1518 | end: |
| 1519 | return out_message; |
| 1520 | } |
| 1521 | |
| 1522 | static |
| 1523 | bt_message *handle_msg_iterator_inactivity(struct debug_info_msg_iter *debug_it, |
| 1524 | const bt_message *in_message) |
| 1525 | { |
| 1526 | /* |
| 1527 | * This message type can be forwarded directly because it does |
| 1528 | * not refer to any objects in the trace class. |
| 1529 | */ |
| 1530 | bt_message_get_ref(in_message); |
| 1531 | return (bt_message*) in_message; |
| 1532 | } |
| 1533 | |
| 1534 | static |
| 1535 | bt_message *handle_discarded_events_message(struct debug_info_msg_iter *debug_it, |
| 1536 | const bt_message *in_message) |
| 1537 | { |
| 1538 | const bt_clock_snapshot *begin_cs, *end_cs; |
| 1539 | const bt_stream *in_stream; |
| 1540 | bool has_default_clock_snapshots; |
| 1541 | uint64_t discarded_events, begin_cs_value, end_cs_value; |
| 1542 | bt_property_availability prop_avail; |
| 1543 | bt_message *out_message = NULL; |
| 1544 | bt_stream *out_stream; |
| 1545 | bt_logging_level log_level = debug_it->log_level; |
| 1546 | bt_self_component *self_comp = debug_it->self_comp; |
| 1547 | |
| 1548 | in_stream = bt_message_discarded_events_borrow_stream_const( |
| 1549 | in_message); |
| 1550 | BT_ASSERT(in_stream); |
| 1551 | |
| 1552 | out_stream = trace_ir_mapping_borrow_mapped_stream( debug_it->ir_maps, |
| 1553 | in_stream); |
| 1554 | BT_ASSERT(out_stream); |
| 1555 | |
| 1556 | has_default_clock_snapshots = |
| 1557 | bt_stream_class_discarded_events_have_default_clock_snapshots( |
| 1558 | bt_stream_borrow_class_const(in_stream)); |
| 1559 | if (has_default_clock_snapshots) { |
| 1560 | begin_cs = bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const( |
| 1561 | in_message); |
| 1562 | end_cs = bt_message_discarded_events_borrow_end_default_clock_snapshot_const( |
| 1563 | in_message); |
| 1564 | |
| 1565 | begin_cs_value = bt_clock_snapshot_get_value(begin_cs); |
| 1566 | end_cs_value = bt_clock_snapshot_get_value(end_cs); |
| 1567 | |
| 1568 | out_message = bt_message_discarded_events_create_with_default_clock_snapshots( |
| 1569 | debug_it->input_iterator, out_stream, |
| 1570 | begin_cs_value, end_cs_value); |
| 1571 | } else { |
| 1572 | out_message = bt_message_discarded_events_create( |
| 1573 | debug_it->input_iterator, out_stream); |
| 1574 | } |
| 1575 | if (!out_message) { |
| 1576 | BT_COMP_LOGE("Error creating output discarded events message: " |
| 1577 | "out-s-addr=%p", out_stream); |
| 1578 | goto error; |
| 1579 | } |
| 1580 | |
| 1581 | prop_avail = bt_message_discarded_events_get_count(in_message, |
| 1582 | &discarded_events); |
| 1583 | |
| 1584 | if (prop_avail == BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE) { |
| 1585 | bt_message_discarded_events_set_count(out_message, |
| 1586 | discarded_events); |
| 1587 | } |
| 1588 | |
| 1589 | error: |
| 1590 | return out_message; |
| 1591 | } |
| 1592 | |
| 1593 | static |
| 1594 | bt_message *handle_discarded_packets_message(struct debug_info_msg_iter *debug_it, |
| 1595 | const bt_message *in_message) |
| 1596 | { |
| 1597 | const bt_clock_snapshot *begin_cs, *end_cs; |
| 1598 | bool has_default_clock_snapshots; |
| 1599 | const bt_stream *in_stream; |
| 1600 | uint64_t discarded_packets, begin_cs_value, end_cs_value; |
| 1601 | bt_property_availability prop_avail; |
| 1602 | bt_message *out_message = NULL; |
| 1603 | bt_stream *out_stream; |
| 1604 | bt_logging_level log_level = debug_it->log_level; |
| 1605 | bt_self_component *self_comp = debug_it->self_comp; |
| 1606 | |
| 1607 | in_stream = bt_message_discarded_packets_borrow_stream_const( |
| 1608 | in_message); |
| 1609 | BT_ASSERT(in_stream); |
| 1610 | |
| 1611 | out_stream = trace_ir_mapping_borrow_mapped_stream( debug_it->ir_maps, |
| 1612 | in_stream); |
| 1613 | BT_ASSERT(out_stream); |
| 1614 | |
| 1615 | has_default_clock_snapshots = |
| 1616 | bt_stream_class_discarded_packets_have_default_clock_snapshots( |
| 1617 | bt_stream_borrow_class_const(in_stream)); |
| 1618 | if (has_default_clock_snapshots) { |
| 1619 | begin_cs = bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const( |
| 1620 | in_message); |
| 1621 | |
| 1622 | end_cs = bt_message_discarded_packets_borrow_end_default_clock_snapshot_const( |
| 1623 | in_message); |
| 1624 | |
| 1625 | begin_cs_value = bt_clock_snapshot_get_value(begin_cs); |
| 1626 | end_cs_value = bt_clock_snapshot_get_value(end_cs); |
| 1627 | |
| 1628 | out_message = bt_message_discarded_packets_create_with_default_clock_snapshots( |
| 1629 | debug_it->input_iterator, out_stream, |
| 1630 | begin_cs_value, end_cs_value); |
| 1631 | } else { |
| 1632 | out_message = bt_message_discarded_packets_create( |
| 1633 | debug_it->input_iterator, out_stream); |
| 1634 | } |
| 1635 | if (!out_message) { |
| 1636 | BT_COMP_LOGE("Error creating output discarded packet message: " |
| 1637 | "out-s-addr=%p", out_stream); |
| 1638 | goto error; |
| 1639 | } |
| 1640 | |
| 1641 | prop_avail = bt_message_discarded_packets_get_count(in_message, |
| 1642 | &discarded_packets); |
| 1643 | if (prop_avail == BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE) { |
| 1644 | bt_message_discarded_packets_set_count(out_message, |
| 1645 | discarded_packets); |
| 1646 | } |
| 1647 | |
| 1648 | error: |
| 1649 | return out_message; |
| 1650 | } |
| 1651 | |
| 1652 | static |
| 1653 | const bt_message *handle_message(struct debug_info_msg_iter *debug_it, |
| 1654 | const bt_message *in_message) |
| 1655 | { |
| 1656 | bt_message *out_message = NULL; |
| 1657 | |
| 1658 | switch (bt_message_get_type(in_message)) { |
| 1659 | case BT_MESSAGE_TYPE_EVENT: |
| 1660 | out_message = handle_event_message(debug_it, in_message); |
| 1661 | break; |
| 1662 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: |
| 1663 | out_message = handle_packet_begin_message(debug_it, in_message); |
| 1664 | break; |
| 1665 | case BT_MESSAGE_TYPE_PACKET_END: |
| 1666 | out_message = handle_packet_end_message(debug_it, in_message); |
| 1667 | break; |
| 1668 | case BT_MESSAGE_TYPE_STREAM_BEGINNING: |
| 1669 | out_message = handle_stream_begin_message(debug_it, in_message); |
| 1670 | break; |
| 1671 | case BT_MESSAGE_TYPE_STREAM_END: |
| 1672 | out_message = handle_stream_end_message(debug_it, in_message); |
| 1673 | break; |
| 1674 | case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY: |
| 1675 | out_message = handle_msg_iterator_inactivity(debug_it, in_message); |
| 1676 | break; |
| 1677 | case BT_MESSAGE_TYPE_DISCARDED_EVENTS: |
| 1678 | out_message = handle_discarded_events_message(debug_it, in_message); |
| 1679 | break; |
| 1680 | case BT_MESSAGE_TYPE_DISCARDED_PACKETS: |
| 1681 | out_message = handle_discarded_packets_message(debug_it, in_message); |
| 1682 | break; |
| 1683 | default: |
| 1684 | abort(); |
| 1685 | break; |
| 1686 | } |
| 1687 | |
| 1688 | return out_message; |
| 1689 | } |
| 1690 | |
| 1691 | struct bt_param_validation_map_value_entry_descr debug_info_params[] = { |
| 1692 | { "debug-info-field-name", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_STRING } }, |
| 1693 | { "debug-info-dir", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_STRING } }, |
| 1694 | { "target-prefix", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_STRING } }, |
| 1695 | { "full-path", BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_OPTIONAL, { .type = BT_VALUE_TYPE_BOOL } }, |
| 1696 | BT_PARAM_VALIDATION_MAP_VALUE_ENTRY_END |
| 1697 | }; |
| 1698 | |
| 1699 | static |
| 1700 | bt_component_class_initialize_method_status init_from_params( |
| 1701 | struct debug_info_component *debug_info_component, |
| 1702 | const bt_value *params) |
| 1703 | { |
| 1704 | const bt_value *value; |
| 1705 | bt_component_class_initialize_method_status status; |
| 1706 | bt_logging_level log_level = debug_info_component->log_level; |
| 1707 | enum bt_param_validation_status validation_status; |
| 1708 | gchar *validate_error = NULL; |
| 1709 | |
| 1710 | validation_status = bt_param_validation_validate(params, |
| 1711 | debug_info_params, &validate_error); |
| 1712 | if (validation_status == BT_PARAM_VALIDATION_STATUS_MEMORY_ERROR) { |
| 1713 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
| 1714 | goto end; |
| 1715 | } else if (validation_status == BT_PARAM_VALIDATION_STATUS_VALIDATION_ERROR) { |
| 1716 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
| 1717 | BT_COMP_LOGE_APPEND_CAUSE(debug_info_component->self_comp, |
| 1718 | "%s", validate_error); |
| 1719 | goto end; |
| 1720 | } |
| 1721 | |
| 1722 | BT_ASSERT(params); |
| 1723 | |
| 1724 | value = bt_value_map_borrow_entry_value_const(params, |
| 1725 | "debug-info-field-name"); |
| 1726 | if (value) { |
| 1727 | debug_info_component->arg_debug_info_field_name = |
| 1728 | g_strdup(bt_value_string_get(value)); |
| 1729 | } else { |
| 1730 | debug_info_component->arg_debug_info_field_name = |
| 1731 | g_strdup(DEFAULT_DEBUG_INFO_FIELD_NAME); |
| 1732 | } |
| 1733 | |
| 1734 | value = bt_value_map_borrow_entry_value_const(params, "debug-info-dir"); |
| 1735 | if (value) { |
| 1736 | debug_info_component->arg_debug_dir = |
| 1737 | g_strdup(bt_value_string_get(value)); |
| 1738 | } else { |
| 1739 | debug_info_component->arg_debug_dir = NULL; |
| 1740 | } |
| 1741 | |
| 1742 | |
| 1743 | value = bt_value_map_borrow_entry_value_const(params, "target-prefix"); |
| 1744 | if (value) { |
| 1745 | debug_info_component->arg_target_prefix = |
| 1746 | g_strdup(bt_value_string_get(value)); |
| 1747 | } else { |
| 1748 | debug_info_component->arg_target_prefix = NULL; |
| 1749 | } |
| 1750 | |
| 1751 | value = bt_value_map_borrow_entry_value_const(params, "full-path"); |
| 1752 | if (value) { |
| 1753 | debug_info_component->arg_full_path = bt_value_bool_get(value); |
| 1754 | } else { |
| 1755 | debug_info_component->arg_full_path = BT_FALSE; |
| 1756 | } |
| 1757 | |
| 1758 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; |
| 1759 | |
| 1760 | end: |
| 1761 | g_free(validate_error); |
| 1762 | |
| 1763 | return status; |
| 1764 | } |
| 1765 | |
| 1766 | BT_HIDDEN |
| 1767 | bt_component_class_initialize_method_status debug_info_comp_init( |
| 1768 | bt_self_component_filter *self_comp_flt, |
| 1769 | bt_self_component_filter_configuration *config, |
| 1770 | const bt_value *params, __attribute__((unused)) void *init_method_data) |
| 1771 | { |
| 1772 | struct debug_info_component *debug_info_comp; |
| 1773 | bt_component_class_initialize_method_status status = |
| 1774 | BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK; |
| 1775 | bt_self_component_add_port_status add_port_status; |
| 1776 | bt_self_component *self_comp = |
| 1777 | bt_self_component_filter_as_self_component(self_comp_flt); |
| 1778 | bt_logging_level log_level = bt_component_get_logging_level( |
| 1779 | bt_self_component_as_component(self_comp)); |
| 1780 | |
| 1781 | BT_COMP_LOGI("Initializing debug_info component: " |
| 1782 | "comp-addr=%p, params-addr=%p", self_comp, params); |
| 1783 | |
| 1784 | debug_info_comp = g_new0(struct debug_info_component, 1); |
| 1785 | if (!debug_info_comp) { |
| 1786 | BT_COMP_LOGE_STR("Failed to allocate one debug_info component."); |
| 1787 | goto error; |
| 1788 | } |
| 1789 | |
| 1790 | debug_info_comp->log_level = log_level; |
| 1791 | debug_info_comp->self_comp = self_comp; |
| 1792 | bt_self_component_set_data(self_comp, debug_info_comp); |
| 1793 | |
| 1794 | add_port_status = bt_self_component_filter_add_input_port( |
| 1795 | self_comp_flt, "in", NULL, NULL); |
| 1796 | if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) { |
| 1797 | status = (int) add_port_status; |
| 1798 | goto error; |
| 1799 | } |
| 1800 | |
| 1801 | add_port_status = bt_self_component_filter_add_output_port( |
| 1802 | self_comp_flt, "out", NULL, NULL); |
| 1803 | if (add_port_status != BT_SELF_COMPONENT_ADD_PORT_STATUS_OK) { |
| 1804 | status = (int) add_port_status; |
| 1805 | goto error; |
| 1806 | } |
| 1807 | |
| 1808 | status = init_from_params(debug_info_comp, params); |
| 1809 | if (status != BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) { |
| 1810 | BT_COMP_LOGE("Cannot configure debug_info component: " |
| 1811 | "debug_info-comp-addr=%p, params-addr=%p", |
| 1812 | debug_info_comp, params); |
| 1813 | goto error; |
| 1814 | } |
| 1815 | |
| 1816 | goto end; |
| 1817 | |
| 1818 | error: |
| 1819 | destroy_debug_info_comp(debug_info_comp); |
| 1820 | bt_self_component_set_data(self_comp, NULL); |
| 1821 | |
| 1822 | if (status == BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_OK) { |
| 1823 | status = BT_COMPONENT_CLASS_INITIALIZE_METHOD_STATUS_ERROR; |
| 1824 | } |
| 1825 | end: |
| 1826 | return status; |
| 1827 | } |
| 1828 | |
| 1829 | BT_HIDDEN |
| 1830 | void debug_info_comp_finalize(bt_self_component_filter *self_comp_flt) |
| 1831 | { |
| 1832 | struct debug_info_component *debug_info = |
| 1833 | bt_self_component_get_data( |
| 1834 | bt_self_component_filter_as_self_component( |
| 1835 | self_comp_flt)); |
| 1836 | bt_logging_level log_level = debug_info->log_level; |
| 1837 | bt_self_component *self_comp = debug_info->self_comp; |
| 1838 | |
| 1839 | BT_COMP_LOGI("Finalizing debug_info self_component: comp-addr=%p", |
| 1840 | self_comp); |
| 1841 | |
| 1842 | destroy_debug_info_comp(debug_info); |
| 1843 | } |
| 1844 | |
| 1845 | BT_HIDDEN |
| 1846 | bt_component_class_message_iterator_next_method_status debug_info_msg_iter_next( |
| 1847 | bt_self_message_iterator *self_msg_iter, |
| 1848 | const bt_message_array_const msgs, uint64_t capacity, |
| 1849 | uint64_t *count) |
| 1850 | { |
| 1851 | bt_self_component_port_input_message_iterator *upstream_iterator = NULL; |
| 1852 | bt_message_iterator_next_status upstream_iterator_ret_status; |
| 1853 | struct debug_info_msg_iter *debug_info_msg_iter; |
| 1854 | struct debug_info_component *debug_info = NULL; |
| 1855 | bt_component_class_message_iterator_next_method_status status; |
| 1856 | bt_self_component *self_comp = NULL; |
| 1857 | bt_message_array_const input_msgs; |
| 1858 | const bt_message *out_message; |
| 1859 | uint64_t curr_msg_idx, i; |
| 1860 | |
| 1861 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_OK; |
| 1862 | |
| 1863 | self_comp = bt_self_message_iterator_borrow_component(self_msg_iter); |
| 1864 | BT_ASSERT(self_comp); |
| 1865 | |
| 1866 | debug_info = bt_self_component_get_data(self_comp); |
| 1867 | BT_ASSERT(debug_info); |
| 1868 | |
| 1869 | debug_info_msg_iter = bt_self_message_iterator_get_data(self_msg_iter); |
| 1870 | BT_ASSERT(debug_info_msg_iter); |
| 1871 | |
| 1872 | upstream_iterator = debug_info_msg_iter->msg_iter; |
| 1873 | BT_ASSERT(upstream_iterator); |
| 1874 | |
| 1875 | upstream_iterator_ret_status = |
| 1876 | bt_self_component_port_input_message_iterator_next( |
| 1877 | upstream_iterator, &input_msgs, count); |
| 1878 | if (upstream_iterator_ret_status != |
| 1879 | BT_MESSAGE_ITERATOR_NEXT_STATUS_OK) { |
| 1880 | /* |
| 1881 | * No messages were returned. Not necessarily an error. |
| 1882 | * Convert the upstream message iterator status to a |
| 1883 | * self status. |
| 1884 | */ |
| 1885 | status = (int) upstream_iterator_ret_status; |
| 1886 | goto end; |
| 1887 | } |
| 1888 | |
| 1889 | /* |
| 1890 | * There should never be more received messages than the capacity we |
| 1891 | * provided. |
| 1892 | */ |
| 1893 | BT_ASSERT(*count <= capacity); |
| 1894 | |
| 1895 | for (curr_msg_idx = 0; curr_msg_idx < *count; curr_msg_idx++) { |
| 1896 | out_message = handle_message(debug_info_msg_iter, |
| 1897 | input_msgs[curr_msg_idx]); |
| 1898 | if (!out_message) { |
| 1899 | goto handle_msg_error; |
| 1900 | } |
| 1901 | |
| 1902 | msgs[curr_msg_idx] = out_message; |
| 1903 | /* |
| 1904 | * Drop our reference of the input message as we are done with |
| 1905 | * it and created a output copy. |
| 1906 | */ |
| 1907 | bt_message_put_ref(input_msgs[curr_msg_idx]); |
| 1908 | } |
| 1909 | |
| 1910 | goto end; |
| 1911 | |
| 1912 | handle_msg_error: |
| 1913 | /* |
| 1914 | * Drop references of all the output messages created before the |
| 1915 | * failure. |
| 1916 | */ |
| 1917 | for (i = 0; i < curr_msg_idx; i++) { |
| 1918 | bt_message_put_ref(msgs[i]); |
| 1919 | } |
| 1920 | |
| 1921 | /* |
| 1922 | * Drop references of all the input messages not dropped before the |
| 1923 | * failure. |
| 1924 | */ |
| 1925 | for (i = curr_msg_idx; i < *count; i++) { |
| 1926 | bt_message_put_ref(input_msgs[i]); |
| 1927 | } |
| 1928 | |
| 1929 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_NEXT_METHOD_STATUS_MEMORY_ERROR; |
| 1930 | |
| 1931 | end: |
| 1932 | return status; |
| 1933 | } |
| 1934 | |
| 1935 | static |
| 1936 | void debug_info_msg_iter_destroy(struct debug_info_msg_iter *debug_info_msg_iter) |
| 1937 | { |
| 1938 | if (!debug_info_msg_iter) { |
| 1939 | goto end; |
| 1940 | } |
| 1941 | |
| 1942 | if (debug_info_msg_iter->msg_iter) { |
| 1943 | bt_self_component_port_input_message_iterator_put_ref( |
| 1944 | debug_info_msg_iter->msg_iter); |
| 1945 | } |
| 1946 | |
| 1947 | if (debug_info_msg_iter->ir_maps) { |
| 1948 | trace_ir_maps_destroy(debug_info_msg_iter->ir_maps); |
| 1949 | } |
| 1950 | |
| 1951 | if (debug_info_msg_iter->debug_info_map) { |
| 1952 | g_hash_table_destroy(debug_info_msg_iter->debug_info_map); |
| 1953 | } |
| 1954 | |
| 1955 | bt_fd_cache_fini(&debug_info_msg_iter->fd_cache); |
| 1956 | g_free(debug_info_msg_iter); |
| 1957 | |
| 1958 | end: |
| 1959 | return; |
| 1960 | } |
| 1961 | |
| 1962 | BT_HIDDEN |
| 1963 | bt_component_class_message_iterator_initialize_method_status debug_info_msg_iter_init( |
| 1964 | bt_self_message_iterator *self_msg_iter, |
| 1965 | bt_self_message_iterator_configuration *config, |
| 1966 | bt_self_component_filter *self_comp_flt, |
| 1967 | bt_self_component_port_output *self_port) |
| 1968 | { |
| 1969 | bt_component_class_message_iterator_initialize_method_status status; |
| 1970 | bt_self_component_port_input_message_iterator_create_from_message_iterator_status |
| 1971 | msg_iter_status; |
| 1972 | struct bt_self_component_port_input *input_port = NULL; |
| 1973 | bt_self_component_port_input_message_iterator *upstream_iterator = NULL; |
| 1974 | struct debug_info_msg_iter *debug_info_msg_iter = NULL; |
| 1975 | gchar *debug_info_field_name; |
| 1976 | int ret; |
| 1977 | bt_self_component *self_comp = |
| 1978 | bt_self_component_filter_as_self_component(self_comp_flt); |
| 1979 | bt_logging_level log_level = bt_component_get_logging_level( |
| 1980 | bt_self_component_as_component(self_comp)); |
| 1981 | |
| 1982 | /* Borrow the upstream input port. */ |
| 1983 | input_port = bt_self_component_filter_borrow_input_port_by_name( |
| 1984 | self_comp_flt, "in"); |
| 1985 | if (!input_port) { |
| 1986 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_ERROR; |
| 1987 | goto error; |
| 1988 | } |
| 1989 | |
| 1990 | debug_info_msg_iter = g_new0(struct debug_info_msg_iter, 1); |
| 1991 | if (!debug_info_msg_iter) { |
| 1992 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
| 1993 | goto error; |
| 1994 | } |
| 1995 | |
| 1996 | debug_info_msg_iter->log_level = log_level; |
| 1997 | debug_info_msg_iter->self_comp = self_comp; |
| 1998 | |
| 1999 | /* Create an iterator on the upstream component. */ |
| 2000 | msg_iter_status = bt_self_component_port_input_message_iterator_create_from_message_iterator( |
| 2001 | self_msg_iter, input_port, &upstream_iterator); |
| 2002 | if (msg_iter_status != BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_CREATE_FROM_MESSAGE_ITERATOR_STATUS_OK) { |
| 2003 | status = (int) msg_iter_status; |
| 2004 | goto error; |
| 2005 | } |
| 2006 | |
| 2007 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF( |
| 2008 | debug_info_msg_iter->msg_iter, upstream_iterator); |
| 2009 | |
| 2010 | /* Create hashtable that will contain debug info mapping. */ |
| 2011 | debug_info_msg_iter->debug_info_map = g_hash_table_new_full( |
| 2012 | g_direct_hash, g_direct_equal, (GDestroyNotify) NULL, |
| 2013 | (GDestroyNotify) debug_info_destroy); |
| 2014 | if (!debug_info_msg_iter->debug_info_map) { |
| 2015 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
| 2016 | goto error; |
| 2017 | } |
| 2018 | |
| 2019 | debug_info_msg_iter->debug_info_component = |
| 2020 | bt_self_component_get_data(self_comp); |
| 2021 | |
| 2022 | debug_info_field_name = |
| 2023 | debug_info_msg_iter->debug_info_component->arg_debug_info_field_name; |
| 2024 | |
| 2025 | debug_info_msg_iter->ir_maps = trace_ir_maps_create(self_comp, |
| 2026 | debug_info_field_name, log_level); |
| 2027 | if (!debug_info_msg_iter->ir_maps) { |
| 2028 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
| 2029 | goto error; |
| 2030 | } |
| 2031 | |
| 2032 | ret = bt_fd_cache_init(&debug_info_msg_iter->fd_cache, log_level); |
| 2033 | if (ret) { |
| 2034 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_MEMORY_ERROR; |
| 2035 | goto error; |
| 2036 | } |
| 2037 | |
| 2038 | bt_self_message_iterator_configuration_set_can_seek_forward(config, |
| 2039 | bt_self_component_port_input_message_iterator_can_seek_forward( |
| 2040 | debug_info_msg_iter->msg_iter)); |
| 2041 | |
| 2042 | bt_self_message_iterator_set_data(self_msg_iter, debug_info_msg_iter); |
| 2043 | debug_info_msg_iter->input_iterator = self_msg_iter; |
| 2044 | |
| 2045 | status = BT_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_STATUS_OK; |
| 2046 | goto end; |
| 2047 | |
| 2048 | error: |
| 2049 | debug_info_msg_iter_destroy(debug_info_msg_iter); |
| 2050 | |
| 2051 | end: |
| 2052 | return status; |
| 2053 | } |
| 2054 | |
| 2055 | BT_HIDDEN |
| 2056 | bt_component_class_message_iterator_can_seek_beginning_method_status |
| 2057 | debug_info_msg_iter_can_seek_beginning(bt_self_message_iterator *self_msg_iter, |
| 2058 | bt_bool *can_seek) |
| 2059 | { |
| 2060 | struct debug_info_msg_iter *debug_info_msg_iter = |
| 2061 | bt_self_message_iterator_get_data(self_msg_iter); |
| 2062 | BT_ASSERT(debug_info_msg_iter); |
| 2063 | |
| 2064 | return (int) bt_self_component_port_input_message_iterator_can_seek_beginning( |
| 2065 | debug_info_msg_iter->msg_iter, can_seek); |
| 2066 | } |
| 2067 | |
| 2068 | BT_HIDDEN |
| 2069 | bt_component_class_message_iterator_seek_beginning_method_status |
| 2070 | debug_info_msg_iter_seek_beginning(bt_self_message_iterator *self_msg_iter) |
| 2071 | { |
| 2072 | struct debug_info_msg_iter *debug_info_msg_iter = |
| 2073 | bt_self_message_iterator_get_data(self_msg_iter); |
| 2074 | bt_component_class_message_iterator_seek_beginning_method_status status = |
| 2075 | BT_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_STATUS_OK; |
| 2076 | bt_message_iterator_seek_beginning_status seek_beg_status; |
| 2077 | |
| 2078 | BT_ASSERT(debug_info_msg_iter); |
| 2079 | |
| 2080 | /* Ask the upstream component to seek to the beginning. */ |
| 2081 | seek_beg_status = bt_self_component_port_input_message_iterator_seek_beginning( |
| 2082 | debug_info_msg_iter->msg_iter); |
| 2083 | if (seek_beg_status != BT_MESSAGE_ITERATOR_SEEK_BEGINNING_STATUS_OK) { |
| 2084 | status = (int) seek_beg_status; |
| 2085 | goto end; |
| 2086 | } |
| 2087 | |
| 2088 | /* Clear this iterator data. */ |
| 2089 | trace_ir_maps_clear(debug_info_msg_iter->ir_maps); |
| 2090 | g_hash_table_remove_all(debug_info_msg_iter->debug_info_map); |
| 2091 | |
| 2092 | end: |
| 2093 | return status; |
| 2094 | } |
| 2095 | |
| 2096 | BT_HIDDEN |
| 2097 | void debug_info_msg_iter_finalize(bt_self_message_iterator *it) |
| 2098 | { |
| 2099 | struct debug_info_msg_iter *debug_info_msg_iter; |
| 2100 | |
| 2101 | debug_info_msg_iter = bt_self_message_iterator_get_data(it); |
| 2102 | BT_ASSERT(debug_info_msg_iter); |
| 2103 | |
| 2104 | debug_info_msg_iter_destroy(debug_info_msg_iter); |
| 2105 | } |