Commit | Line | Data |
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4f45f9bb JD |
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> | |
58f6d595 | 8 | * Copyright (c) 2019 Francis Deslauriers <francis.deslauriers@efficios.com> |
4f45f9bb JD |
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 | ||
f4f9e43b PP |
29 | #define BT_LOG_TAG "PLUGIN-CTF-LTTNG-UTILS-DEBUG-INFO-FLT" |
30 | #include "logging.h" | |
31 | ||
4f45f9bb | 32 | #include <glib.h> |
58f6d595 | 33 | |
57952005 MJ |
34 | #include "common/assert.h" |
35 | #include "common/common.h" | |
36 | #include "fd-cache/fd-cache.h" | |
58f6d595 | 37 | |
4f45f9bb | 38 | #include "bin-info.h" |
58f6d595 FD |
39 | #include "debug-info.h" |
40 | #include "trace-ir-data-copy.h" | |
41 | #include "trace-ir-mapping.h" | |
42 | #include "trace-ir-metadata-copy.h" | |
4f45f9bb | 43 | #include "utils.h" |
58f6d595 FD |
44 | |
45 | #define DEFAULT_DEBUG_INFO_FIELD_NAME "debug_info" | |
46 | #define LTTNG_UST_STATEDUMP_PREFIX "lttng_ust" | |
47 | #define VPID_FIELD_NAME "vpid" | |
48 | #define IP_FIELD_NAME "ip" | |
49 | #define BADDR_FIELD_NAME "baddr" | |
50 | #define CRC32_FIELD_NAME "crc" | |
51 | #define BUILD_ID_FIELD_NAME "build_id" | |
52 | #define FILENAME_FIELD_NAME "filename" | |
53 | #define IS_PIC_FIELD_NAME "is_pic" | |
54 | #define MEMSZ_FIELD_NAME "memsz" | |
55 | #define PATH_FIELD_NAME "path" | |
56 | ||
57 | struct debug_info_component { | |
2638950d FD |
58 | gchar *arg_debug_dir; |
59 | gchar *arg_debug_info_field_name; | |
60 | gchar *arg_target_prefix; | |
61 | bt_bool arg_full_path; | |
58f6d595 FD |
62 | }; |
63 | ||
64 | struct debug_info_msg_iter { | |
65 | struct debug_info_component *debug_info_component; | |
66 | bt_self_message_iterator *input_iterator; | |
67 | bt_self_component *self_comp; | |
68 | bt_self_component_port_input_message_iterator *msg_iter; | |
69 | ||
70 | struct trace_ir_maps *ir_maps; | |
71 | /* in_trace -> debug_info_mapping. */ | |
72 | GHashTable *debug_info_map; | |
8d7183bd FD |
73 | |
74 | struct bt_fd_cache fd_cache; | |
58f6d595 FD |
75 | }; |
76 | ||
77 | struct debug_info_source { | |
78 | /* Strings are owned by debug_info_source. */ | |
2638950d | 79 | gchar *func; |
58f6d595 FD |
80 | /* |
81 | * Store the line number as a string so that the allocation and | |
82 | * conversion to string is only done once. | |
83 | */ | |
2638950d FD |
84 | gchar *line_no; |
85 | gchar *src_path; | |
58f6d595 | 86 | /* short_src_path points inside src_path, no need to free. */ |
2638950d FD |
87 | const gchar *short_src_path; |
88 | gchar *bin_path; | |
58f6d595 | 89 | /* short_bin_path points inside bin_path, no need to free. */ |
2638950d | 90 | const gchar *short_bin_path; |
58f6d595 FD |
91 | /* |
92 | * Location within the binary. Either absolute (@0x1234) or | |
93 | * relative (+0x4321). | |
94 | */ | |
2638950d | 95 | gchar *bin_loc; |
58f6d595 | 96 | }; |
4f45f9bb JD |
97 | |
98 | struct proc_debug_info_sources { | |
99 | /* | |
100 | * Hash table: base address (pointer to uint64_t) to bin info; owned by | |
101 | * proc_debug_info_sources. | |
102 | */ | |
103 | GHashTable *baddr_to_bin_info; | |
104 | ||
105 | /* | |
106 | * Hash table: IP (pointer to uint64_t) to (struct debug_info_source *); | |
107 | * owned by proc_debug_info_sources. | |
108 | */ | |
109 | GHashTable *ip_to_debug_info_src; | |
110 | }; | |
111 | ||
112 | struct debug_info { | |
9d325e17 | 113 | struct debug_info_component *comp; |
58f6d595 FD |
114 | const bt_trace *input_trace; |
115 | uint64_t destruction_listener_id; | |
9d325e17 | 116 | |
4f45f9bb JD |
117 | /* |
118 | * Hash table of VPIDs (pointer to int64_t) to | |
c8f0ea4f | 119 | * (struct proc_debug_info_sources*); owned by debug_info. |
4f45f9bb JD |
120 | */ |
121 | GHashTable *vpid_to_proc_dbg_info_src; | |
122 | GQuark q_statedump_bin_info; | |
123 | GQuark q_statedump_debug_link; | |
124 | GQuark q_statedump_build_id; | |
125 | GQuark q_statedump_start; | |
126 | GQuark q_dl_open; | |
127 | GQuark q_lib_load; | |
128 | GQuark q_lib_unload; | |
8d7183bd | 129 | struct bt_fd_cache *fd_cache; /* Weak ref. Owned by the iterator. */ |
4f45f9bb JD |
130 | }; |
131 | ||
132 | static | |
133 | int debug_info_init(struct debug_info *info) | |
134 | { | |
135 | info->q_statedump_bin_info = g_quark_from_string( | |
136 | "lttng_ust_statedump:bin_info"); | |
137 | info->q_statedump_debug_link = g_quark_from_string( | |
58f6d595 | 138 | "lttng_ust_statedump:debug_link"); |
4f45f9bb JD |
139 | info->q_statedump_build_id = g_quark_from_string( |
140 | "lttng_ust_statedump:build_id"); | |
141 | info->q_statedump_start = g_quark_from_string( | |
142 | "lttng_ust_statedump:start"); | |
143 | info->q_dl_open = g_quark_from_string("lttng_ust_dl:dlopen"); | |
144 | info->q_lib_load = g_quark_from_string("lttng_ust_lib:load"); | |
145 | info->q_lib_unload = g_quark_from_string("lttng_ust_lib:unload"); | |
146 | ||
147 | return bin_info_init(); | |
148 | } | |
149 | ||
150 | static | |
151 | void debug_info_source_destroy(struct debug_info_source *debug_info_src) | |
152 | { | |
153 | if (!debug_info_src) { | |
154 | return; | |
155 | } | |
156 | ||
2638950d FD |
157 | g_free(debug_info_src->func); |
158 | g_free(debug_info_src->line_no); | |
159 | g_free(debug_info_src->src_path); | |
160 | g_free(debug_info_src->bin_path); | |
161 | g_free(debug_info_src->bin_loc); | |
4f45f9bb JD |
162 | g_free(debug_info_src); |
163 | } | |
164 | ||
165 | static | |
58f6d595 FD |
166 | struct debug_info_source *debug_info_source_create_from_bin( |
167 | struct bin_info *bin, uint64_t ip) | |
4f45f9bb JD |
168 | { |
169 | int ret; | |
170 | struct debug_info_source *debug_info_src = NULL; | |
171 | struct source_location *src_loc = NULL; | |
172 | ||
173 | debug_info_src = g_new0(struct debug_info_source, 1); | |
174 | ||
175 | if (!debug_info_src) { | |
176 | goto end; | |
177 | } | |
178 | ||
179 | /* Lookup function name */ | |
180 | ret = bin_info_lookup_function_name(bin, ip, &debug_info_src->func); | |
181 | if (ret) { | |
182 | goto error; | |
183 | } | |
184 | ||
185 | /* Can't retrieve src_loc from ELF, or could not find binary, skip. */ | |
186 | if (!bin->is_elf_only || !debug_info_src->func) { | |
187 | /* Lookup source location */ | |
188 | ret = bin_info_lookup_source_location(bin, ip, &src_loc); | |
58f6d595 | 189 | if (ret) { |
a684a357 | 190 | BT_LOGI("Failed to lookup source location: ret=%d", ret); |
58f6d595 | 191 | } |
4f45f9bb JD |
192 | } |
193 | ||
194 | if (src_loc) { | |
2638950d FD |
195 | debug_info_src->line_no = |
196 | g_strdup_printf("%"PRId64, src_loc->line_no); | |
197 | if (!debug_info_src->line_no) { | |
a684a357 | 198 | BT_LOGE("Error occured when setting line_no field."); |
58f6d595 FD |
199 | goto error; |
200 | } | |
4f45f9bb JD |
201 | |
202 | if (src_loc->filename) { | |
2638950d | 203 | debug_info_src->src_path = g_strdup(src_loc->filename); |
4f45f9bb JD |
204 | if (!debug_info_src->src_path) { |
205 | goto error; | |
206 | } | |
207 | ||
208 | debug_info_src->short_src_path = get_filename_from_path( | |
209 | debug_info_src->src_path); | |
210 | } | |
4f45f9bb JD |
211 | source_location_destroy(src_loc); |
212 | } | |
213 | ||
214 | if (bin->elf_path) { | |
2638950d | 215 | debug_info_src->bin_path = g_strdup(bin->elf_path); |
4f45f9bb JD |
216 | if (!debug_info_src->bin_path) { |
217 | goto error; | |
218 | } | |
219 | ||
220 | debug_info_src->short_bin_path = get_filename_from_path( | |
221 | debug_info_src->bin_path); | |
222 | ||
223 | ret = bin_info_get_bin_loc(bin, ip, &(debug_info_src->bin_loc)); | |
224 | if (ret) { | |
225 | goto error; | |
226 | } | |
227 | } | |
228 | ||
229 | end: | |
230 | return debug_info_src; | |
231 | ||
232 | error: | |
233 | debug_info_source_destroy(debug_info_src); | |
234 | return NULL; | |
235 | } | |
236 | ||
237 | static | |
238 | void proc_debug_info_sources_destroy( | |
239 | struct proc_debug_info_sources *proc_dbg_info_src) | |
240 | { | |
241 | if (!proc_dbg_info_src) { | |
242 | return; | |
243 | } | |
244 | ||
245 | if (proc_dbg_info_src->baddr_to_bin_info) { | |
246 | g_hash_table_destroy(proc_dbg_info_src->baddr_to_bin_info); | |
247 | } | |
248 | ||
249 | if (proc_dbg_info_src->ip_to_debug_info_src) { | |
250 | g_hash_table_destroy(proc_dbg_info_src->ip_to_debug_info_src); | |
251 | } | |
252 | ||
253 | g_free(proc_dbg_info_src); | |
254 | } | |
255 | ||
256 | static | |
257 | struct proc_debug_info_sources *proc_debug_info_sources_create(void) | |
258 | { | |
259 | struct proc_debug_info_sources *proc_dbg_info_src = NULL; | |
260 | ||
261 | proc_dbg_info_src = g_new0(struct proc_debug_info_sources, 1); | |
262 | if (!proc_dbg_info_src) { | |
263 | goto end; | |
264 | } | |
265 | ||
266 | proc_dbg_info_src->baddr_to_bin_info = g_hash_table_new_full( | |
267 | g_int64_hash, g_int64_equal, (GDestroyNotify) g_free, | |
268 | (GDestroyNotify) bin_info_destroy); | |
269 | if (!proc_dbg_info_src->baddr_to_bin_info) { | |
270 | goto error; | |
271 | } | |
272 | ||
273 | proc_dbg_info_src->ip_to_debug_info_src = g_hash_table_new_full( | |
274 | g_int64_hash, g_int64_equal, (GDestroyNotify) g_free, | |
275 | (GDestroyNotify) debug_info_source_destroy); | |
276 | if (!proc_dbg_info_src->ip_to_debug_info_src) { | |
277 | goto error; | |
278 | } | |
279 | ||
280 | end: | |
281 | return proc_dbg_info_src; | |
282 | ||
283 | error: | |
284 | proc_debug_info_sources_destroy(proc_dbg_info_src); | |
285 | return NULL; | |
286 | } | |
287 | ||
288 | static | |
289 | struct proc_debug_info_sources *proc_debug_info_sources_ht_get_entry( | |
290 | GHashTable *ht, int64_t vpid) | |
291 | { | |
292 | gpointer key = g_new0(int64_t, 1); | |
293 | struct proc_debug_info_sources *proc_dbg_info_src = NULL; | |
294 | ||
295 | if (!key) { | |
296 | goto end; | |
297 | } | |
298 | ||
299 | *((int64_t *) key) = vpid; | |
300 | ||
301 | /* Exists? Return it */ | |
302 | proc_dbg_info_src = g_hash_table_lookup(ht, key); | |
303 | if (proc_dbg_info_src) { | |
304 | goto end; | |
305 | } | |
306 | ||
307 | /* Otherwise, create and return it */ | |
308 | proc_dbg_info_src = proc_debug_info_sources_create(); | |
309 | if (!proc_dbg_info_src) { | |
310 | goto end; | |
311 | } | |
312 | ||
313 | g_hash_table_insert(ht, key, proc_dbg_info_src); | |
314 | /* Ownership passed to ht */ | |
315 | key = NULL; | |
316 | end: | |
317 | g_free(key); | |
318 | return proc_dbg_info_src; | |
319 | } | |
320 | ||
58f6d595 FD |
321 | static inline |
322 | const bt_field *event_borrow_payload_field(const bt_event *event, | |
323 | const char *field_name) | |
324 | { | |
325 | const bt_field *event_payload, *field; | |
326 | ||
327 | event_payload = bt_event_borrow_payload_field_const(event); | |
328 | BT_ASSERT(event_payload); | |
329 | ||
330 | field = bt_field_structure_borrow_member_field_by_name_const( | |
331 | event_payload, field_name); | |
332 | return field; | |
333 | } | |
334 | ||
335 | static inline | |
336 | const bt_field *event_borrow_common_context_field(const bt_event *event, | |
337 | const char *field_name) | |
338 | { | |
339 | const bt_field *event_common_ctx, *field = NULL; | |
340 | ||
341 | event_common_ctx = bt_event_borrow_common_context_field_const(event); | |
342 | if (!event_common_ctx) { | |
343 | goto end; | |
344 | } | |
345 | ||
346 | field = bt_field_structure_borrow_member_field_by_name_const( | |
347 | event_common_ctx, field_name); | |
348 | ||
349 | end: | |
350 | return field; | |
351 | } | |
352 | ||
353 | static inline | |
354 | void event_get_common_context_signed_integer_field_value( | |
355 | const bt_event *event, const char *field_name, int64_t *value) | |
356 | { | |
357 | *value = bt_field_signed_integer_get_value( | |
358 | event_borrow_common_context_field(event, field_name)); | |
359 | } | |
360 | ||
361 | static inline | |
362 | int event_get_payload_build_id_length(const bt_event *event, | |
363 | const char *field_name, uint64_t *build_id_len) | |
364 | { | |
365 | const bt_field *build_id_field; | |
366 | const bt_field_class *build_id_field_class; | |
367 | ||
368 | build_id_field = event_borrow_payload_field(event, field_name); | |
369 | build_id_field_class = bt_field_borrow_class_const(build_id_field); | |
370 | ||
371 | BT_ASSERT(bt_field_class_get_type(build_id_field_class) == | |
372 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY); | |
373 | BT_ASSERT(bt_field_class_get_type( | |
374 | bt_field_class_array_borrow_element_field_class_const( | |
375 | build_id_field_class)) == | |
376 | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER); | |
377 | ||
378 | *build_id_len = bt_field_array_get_length(build_id_field); | |
379 | ||
380 | return 0; | |
381 | } | |
382 | ||
383 | static inline | |
384 | int event_get_payload_build_id_value(const bt_event *event, | |
385 | const char *field_name, uint8_t *build_id) | |
386 | { | |
387 | const bt_field *curr_field, *build_id_field; | |
388 | const bt_field_class *build_id_field_class; | |
389 | uint64_t i, build_id_len; | |
390 | int ret; | |
391 | ||
392 | ret = 0; | |
393 | ||
394 | build_id_field = event_borrow_payload_field(event, field_name); | |
395 | build_id_field_class = bt_field_borrow_class_const(build_id_field); | |
396 | ||
397 | BT_ASSERT(bt_field_class_get_type(build_id_field_class) == | |
398 | BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY); | |
399 | BT_ASSERT(bt_field_class_get_type( | |
400 | bt_field_class_array_borrow_element_field_class_const( | |
401 | build_id_field_class)) == | |
402 | BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER); | |
403 | ||
404 | build_id_len = bt_field_array_get_length(build_id_field); | |
405 | ||
406 | for (i = 0; i < build_id_len; i++) { | |
407 | curr_field = | |
408 | bt_field_array_borrow_element_field_by_index_const( | |
409 | build_id_field, i); | |
410 | ||
411 | build_id[i] = bt_field_unsigned_integer_get_value(curr_field); | |
412 | } | |
413 | ||
414 | return ret; | |
415 | } | |
416 | ||
417 | static | |
418 | void event_get_payload_unsigned_integer_field_value(const bt_event *event, | |
419 | const char *field_name, uint64_t *value) | |
420 | { | |
421 | *value = bt_field_unsigned_integer_get_value( | |
422 | event_borrow_payload_field(event, field_name)); | |
423 | } | |
424 | ||
425 | static | |
426 | void event_get_payload_string_field_value(const bt_event *event, | |
427 | const char *field_name, const char **value) | |
428 | { | |
429 | *value = bt_field_string_get_value( | |
430 | event_borrow_payload_field(event, field_name)); | |
431 | } | |
432 | ||
433 | static inline | |
434 | bool event_has_payload_field(const bt_event *event, | |
435 | const char *field_name) | |
436 | { | |
437 | return event_borrow_payload_field(event, field_name) != NULL; | |
438 | } | |
439 | ||
4f45f9bb JD |
440 | static |
441 | struct debug_info_source *proc_debug_info_sources_get_entry( | |
442 | struct proc_debug_info_sources *proc_dbg_info_src, uint64_t ip) | |
443 | { | |
444 | struct debug_info_source *debug_info_src = NULL; | |
445 | gpointer key = g_new0(uint64_t, 1); | |
446 | GHashTableIter iter; | |
447 | gpointer baddr, value; | |
448 | ||
449 | if (!key) { | |
450 | goto end; | |
451 | } | |
452 | ||
453 | *((uint64_t *) key) = ip; | |
454 | ||
455 | /* Look in IP to debug infos hash table first. */ | |
456 | debug_info_src = g_hash_table_lookup( | |
457 | proc_dbg_info_src->ip_to_debug_info_src, | |
458 | key); | |
459 | if (debug_info_src) { | |
460 | goto end; | |
461 | } | |
462 | ||
463 | /* Check in all bin_infos. */ | |
464 | g_hash_table_iter_init(&iter, proc_dbg_info_src->baddr_to_bin_info); | |
465 | ||
466 | while (g_hash_table_iter_next(&iter, &baddr, &value)) | |
467 | { | |
468 | struct bin_info *bin = value; | |
469 | ||
470 | if (!bin_info_has_address(value, ip)) { | |
471 | continue; | |
472 | } | |
473 | ||
474 | /* | |
475 | * Found; add it to cache. | |
476 | * | |
477 | * FIXME: this should be bounded in size (and implement | |
478 | * a caching policy), and entries should be prunned when | |
479 | * libraries are unmapped. | |
480 | */ | |
481 | debug_info_src = debug_info_source_create_from_bin(bin, ip); | |
482 | if (debug_info_src) { | |
483 | g_hash_table_insert( | |
484 | proc_dbg_info_src->ip_to_debug_info_src, | |
485 | key, debug_info_src); | |
486 | /* Ownership passed to ht. */ | |
487 | key = NULL; | |
488 | } | |
489 | break; | |
490 | } | |
491 | ||
492 | end: | |
493 | free(key); | |
494 | return debug_info_src; | |
495 | } | |
496 | ||
8d7183bd | 497 | static |
4f45f9bb JD |
498 | struct debug_info_source *debug_info_query(struct debug_info *debug_info, |
499 | int64_t vpid, uint64_t ip) | |
500 | { | |
501 | struct debug_info_source *dbg_info_src = NULL; | |
502 | struct proc_debug_info_sources *proc_dbg_info_src; | |
503 | ||
504 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
505 | debug_info->vpid_to_proc_dbg_info_src, vpid); | |
506 | if (!proc_dbg_info_src) { | |
507 | goto end; | |
508 | } | |
509 | ||
510 | dbg_info_src = proc_debug_info_sources_get_entry(proc_dbg_info_src, ip); | |
511 | ||
512 | end: | |
513 | return dbg_info_src; | |
514 | } | |
515 | ||
8d7183bd | 516 | static |
58f6d595 | 517 | struct debug_info *debug_info_create(struct debug_info_component *comp, |
8d7183bd | 518 | const bt_trace *trace, struct bt_fd_cache *fdc) |
4f45f9bb JD |
519 | { |
520 | int ret; | |
521 | struct debug_info *debug_info; | |
522 | ||
8d7183bd FD |
523 | BT_ASSERT(comp); |
524 | BT_ASSERT(trace); | |
525 | BT_ASSERT(fdc); | |
526 | ||
4f45f9bb JD |
527 | debug_info = g_new0(struct debug_info, 1); |
528 | if (!debug_info) { | |
529 | goto end; | |
530 | } | |
531 | ||
532 | debug_info->vpid_to_proc_dbg_info_src = g_hash_table_new_full( | |
533 | g_int64_hash, g_int64_equal, (GDestroyNotify) g_free, | |
534 | (GDestroyNotify) proc_debug_info_sources_destroy); | |
535 | if (!debug_info->vpid_to_proc_dbg_info_src) { | |
536 | goto error; | |
537 | } | |
538 | ||
9d325e17 | 539 | debug_info->comp = comp; |
4f45f9bb JD |
540 | ret = debug_info_init(debug_info); |
541 | if (ret) { | |
542 | goto error; | |
543 | } | |
544 | ||
58f6d595 | 545 | debug_info->input_trace = trace; |
8d7183bd | 546 | debug_info->fd_cache = fdc; |
58f6d595 | 547 | |
4f45f9bb JD |
548 | end: |
549 | return debug_info; | |
550 | error: | |
551 | g_free(debug_info); | |
552 | return NULL; | |
553 | } | |
554 | ||
8d7183bd | 555 | static |
4f45f9bb JD |
556 | void debug_info_destroy(struct debug_info *debug_info) |
557 | { | |
58f6d595 | 558 | bt_trace_status status; |
4f45f9bb JD |
559 | if (!debug_info) { |
560 | goto end; | |
561 | } | |
562 | ||
563 | if (debug_info->vpid_to_proc_dbg_info_src) { | |
564 | g_hash_table_destroy(debug_info->vpid_to_proc_dbg_info_src); | |
565 | } | |
566 | ||
58f6d595 FD |
567 | status = bt_trace_remove_destruction_listener(debug_info->input_trace, |
568 | debug_info->destruction_listener_id); | |
c5ec1c0b | 569 | if (status != BT_TRACE_STATUS_OK) { |
a684a357 | 570 | BT_LOGE("Trace destruction listener removal failed."); |
c5ec1c0b | 571 | } |
58f6d595 | 572 | |
4f45f9bb JD |
573 | g_free(debug_info); |
574 | end: | |
575 | return; | |
576 | } | |
577 | ||
578 | static | |
58f6d595 | 579 | void handle_event_statedump_build_id(struct debug_info *debug_info, |
8eee8ea2 | 580 | const bt_event *event) |
4f45f9bb JD |
581 | { |
582 | struct proc_debug_info_sources *proc_dbg_info_src; | |
58f6d595 FD |
583 | uint64_t build_id_len, baddr; |
584 | uint8_t *build_id = NULL; | |
585 | struct bin_info *bin; | |
4f45f9bb | 586 | int64_t vpid; |
58f6d595 | 587 | int ret = 0; |
4f45f9bb | 588 | |
58f6d595 FD |
589 | event_get_common_context_signed_integer_field_value(event, |
590 | VPID_FIELD_NAME, &vpid); | |
591 | event_get_payload_unsigned_integer_field_value(event, | |
592 | BADDR_FIELD_NAME, &baddr); | |
4f45f9bb JD |
593 | |
594 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
595 | debug_info->vpid_to_proc_dbg_info_src, vpid); | |
596 | if (!proc_dbg_info_src) { | |
597 | goto end; | |
598 | } | |
599 | ||
600 | bin = g_hash_table_lookup(proc_dbg_info_src->baddr_to_bin_info, | |
601 | (gpointer) &baddr); | |
602 | if (!bin) { | |
603 | /* | |
604 | * The build_id event comes after the bin has been | |
605 | * created. If it isn't found, just ignore this event. | |
606 | */ | |
607 | goto end; | |
608 | } | |
58f6d595 FD |
609 | ret = event_get_payload_build_id_length(event, BUILD_ID_FIELD_NAME, |
610 | &build_id_len); | |
611 | ||
612 | build_id = g_new0(uint8_t, build_id_len); | |
613 | if (!build_id) { | |
614 | goto end; | |
615 | } | |
4f45f9bb | 616 | |
58f6d595 FD |
617 | ret = event_get_payload_build_id_value(event, BUILD_ID_FIELD_NAME, |
618 | build_id); | |
4f45f9bb | 619 | if (ret) { |
4f45f9bb JD |
620 | goto end; |
621 | } | |
58f6d595 FD |
622 | |
623 | ret = bin_info_set_build_id(bin, build_id, build_id_len); | |
624 | if (ret) { | |
625 | goto end; | |
69ad4f7f | 626 | } |
4f45f9bb JD |
627 | |
628 | /* | |
629 | * Reset the is_elf_only flag in case it had been set | |
630 | * previously, because we might find separate debug info using | |
631 | * the new build id information. | |
632 | */ | |
633 | bin->is_elf_only = false; | |
634 | ||
4f45f9bb | 635 | end: |
58f6d595 | 636 | g_free(build_id); |
4f45f9bb JD |
637 | return; |
638 | } | |
639 | ||
640 | static | |
58f6d595 | 641 | void handle_event_statedump_debug_link(struct debug_info *debug_info, |
8eee8ea2 | 642 | const bt_event *event) |
4f45f9bb JD |
643 | { |
644 | struct proc_debug_info_sources *proc_dbg_info_src; | |
645 | struct bin_info *bin = NULL; | |
646 | int64_t vpid; | |
647 | uint64_t baddr; | |
648 | const char *filename = NULL; | |
649 | uint32_t crc32; | |
58f6d595 | 650 | uint64_t crc_field_value; |
4f45f9bb | 651 | |
58f6d595 | 652 | event_get_common_context_signed_integer_field_value(event, |
cc5c5d6d | 653 | VPID_FIELD_NAME, &vpid); |
4f45f9bb | 654 | |
58f6d595 FD |
655 | event_get_payload_unsigned_integer_field_value(event, |
656 | BADDR_FIELD_NAME, &baddr); | |
4f45f9bb | 657 | |
58f6d595 FD |
658 | event_get_payload_unsigned_integer_field_value(event, |
659 | CRC32_FIELD_NAME, &crc_field_value); | |
4f45f9bb | 660 | |
58f6d595 FD |
661 | crc32 = (uint32_t) crc_field_value; |
662 | ||
663 | event_get_payload_string_field_value(event, | |
664 | FILENAME_FIELD_NAME, &filename); | |
4f45f9bb JD |
665 | |
666 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
667 | debug_info->vpid_to_proc_dbg_info_src, vpid); | |
668 | if (!proc_dbg_info_src) { | |
669 | goto end; | |
670 | } | |
671 | ||
672 | bin = g_hash_table_lookup(proc_dbg_info_src->baddr_to_bin_info, | |
673 | (gpointer) &baddr); | |
674 | if (!bin) { | |
675 | /* | |
676 | * The debug_link event comes after the bin has been | |
677 | * created. If it isn't found, just ignore this event. | |
678 | */ | |
679 | goto end; | |
680 | } | |
681 | ||
682 | bin_info_set_debug_link(bin, filename, crc32); | |
683 | ||
684 | end: | |
685 | return; | |
686 | } | |
687 | ||
688 | static | |
58f6d595 | 689 | void handle_bin_info_event(struct debug_info *debug_info, |
8eee8ea2 | 690 | const bt_event *event, bool has_pic_field) |
4f45f9bb JD |
691 | { |
692 | struct proc_debug_info_sources *proc_dbg_info_src; | |
693 | struct bin_info *bin; | |
694 | uint64_t baddr, memsz; | |
695 | int64_t vpid; | |
696 | const char *path; | |
697 | gpointer key = NULL; | |
698 | bool is_pic; | |
4f45f9bb | 699 | |
58f6d595 FD |
700 | event_get_payload_unsigned_integer_field_value(event, |
701 | MEMSZ_FIELD_NAME, &memsz); | |
702 | if (memsz == 0) { | |
703 | /* Ignore VDSO. */ | |
4f45f9bb JD |
704 | goto end; |
705 | } | |
706 | ||
58f6d595 FD |
707 | event_get_payload_unsigned_integer_field_value(event, |
708 | BADDR_FIELD_NAME, &baddr); | |
4f45f9bb | 709 | |
65db8b88 JD |
710 | /* |
711 | * This field is not produced by the dlopen event emitted before | |
712 | * lttng-ust 2.9. | |
713 | */ | |
58f6d595 | 714 | if (!event_has_payload_field(event, PATH_FIELD_NAME)) { |
4f45f9bb JD |
715 | goto end; |
716 | } | |
58f6d595 | 717 | event_get_payload_string_field_value(event, PATH_FIELD_NAME, &path); |
4f45f9bb JD |
718 | |
719 | if (has_pic_field) { | |
58f6d595 | 720 | uint64_t is_pic_field_value; |
4f45f9bb | 721 | |
58f6d595 | 722 | event_get_payload_unsigned_integer_field_value(event, |
8d7183bd | 723 | IS_PIC_FIELD_NAME, &is_pic_field_value); |
58f6d595 | 724 | is_pic = is_pic_field_value == 1; |
4f45f9bb JD |
725 | } else { |
726 | /* | |
727 | * dlopen has no is_pic field, because the shared | |
728 | * object is always PIC. | |
729 | */ | |
730 | is_pic = true; | |
731 | } | |
732 | ||
58f6d595 | 733 | event_get_common_context_signed_integer_field_value(event, |
cc5c5d6d | 734 | VPID_FIELD_NAME, &vpid); |
4f45f9bb JD |
735 | |
736 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
8d7183bd | 737 | debug_info->vpid_to_proc_dbg_info_src, vpid); |
4f45f9bb JD |
738 | if (!proc_dbg_info_src) { |
739 | goto end; | |
740 | } | |
741 | ||
742 | key = g_new0(uint64_t, 1); | |
743 | if (!key) { | |
744 | goto end; | |
745 | } | |
746 | ||
747 | *((uint64_t *) key) = baddr; | |
748 | ||
8d7183bd | 749 | bin = g_hash_table_lookup(proc_dbg_info_src->baddr_to_bin_info, key); |
4f45f9bb JD |
750 | if (bin) { |
751 | goto end; | |
752 | } | |
753 | ||
8d7183bd | 754 | bin = bin_info_create(debug_info->fd_cache, path, baddr, memsz, is_pic, |
9d325e17 PP |
755 | debug_info->comp->arg_debug_dir, |
756 | debug_info->comp->arg_target_prefix); | |
4f45f9bb JD |
757 | if (!bin) { |
758 | goto end; | |
759 | } | |
760 | ||
8d7183bd | 761 | g_hash_table_insert(proc_dbg_info_src->baddr_to_bin_info, key, bin); |
4f45f9bb JD |
762 | /* Ownership passed to ht. */ |
763 | key = NULL; | |
764 | ||
765 | end: | |
766 | g_free(key); | |
767 | return; | |
768 | } | |
769 | ||
770 | static inline | |
58f6d595 | 771 | void handle_event_statedump_bin_info(struct debug_info *debug_info, |
8eee8ea2 | 772 | const bt_event *event) |
4f45f9bb | 773 | { |
58f6d595 | 774 | handle_bin_info_event(debug_info, event, true); |
4f45f9bb JD |
775 | } |
776 | ||
777 | static inline | |
58f6d595 | 778 | void handle_event_lib_load(struct debug_info *debug_info, |
8eee8ea2 | 779 | const bt_event *event) |
4f45f9bb | 780 | { |
58f6d595 | 781 | handle_bin_info_event(debug_info, event, false); |
4f45f9bb JD |
782 | } |
783 | ||
58f6d595 FD |
784 | static |
785 | void handle_event_lib_unload(struct debug_info *debug_info, | |
8eee8ea2 | 786 | const bt_event *event) |
4f45f9bb | 787 | { |
58f6d595 | 788 | gboolean ret; |
4f45f9bb JD |
789 | struct proc_debug_info_sources *proc_dbg_info_src; |
790 | uint64_t baddr; | |
791 | int64_t vpid; | |
4f45f9bb | 792 | |
58f6d595 FD |
793 | event_get_payload_unsigned_integer_field_value(event, BADDR_FIELD_NAME, |
794 | &baddr); | |
4f45f9bb | 795 | |
58f6d595 FD |
796 | event_get_common_context_signed_integer_field_value(event, |
797 | VPID_FIELD_NAME, &vpid); | |
4f45f9bb JD |
798 | |
799 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
800 | debug_info->vpid_to_proc_dbg_info_src, vpid); | |
801 | if (!proc_dbg_info_src) { | |
58f6d595 FD |
802 | /* |
803 | * It's an unload event for a library for which no load event | |
804 | * was previously received. | |
805 | */ | |
4f45f9bb JD |
806 | goto end; |
807 | } | |
808 | ||
58f6d595 FD |
809 | ret = g_hash_table_remove(proc_dbg_info_src->baddr_to_bin_info, |
810 | (gpointer) &baddr); | |
811 | BT_ASSERT(ret); | |
4f45f9bb JD |
812 | end: |
813 | return; | |
814 | } | |
815 | ||
816 | static | |
58f6d595 | 817 | void handle_event_statedump_start(struct debug_info *debug_info, |
8eee8ea2 | 818 | const bt_event *event) |
4f45f9bb JD |
819 | { |
820 | struct proc_debug_info_sources *proc_dbg_info_src; | |
821 | int64_t vpid; | |
4f45f9bb | 822 | |
58f6d595 FD |
823 | event_get_common_context_signed_integer_field_value( |
824 | event, VPID_FIELD_NAME, &vpid); | |
4f45f9bb JD |
825 | |
826 | proc_dbg_info_src = proc_debug_info_sources_ht_get_entry( | |
827 | debug_info->vpid_to_proc_dbg_info_src, vpid); | |
828 | if (!proc_dbg_info_src) { | |
829 | goto end; | |
830 | } | |
831 | ||
832 | g_hash_table_remove_all(proc_dbg_info_src->baddr_to_bin_info); | |
833 | g_hash_table_remove_all(proc_dbg_info_src->ip_to_debug_info_src); | |
834 | ||
835 | end: | |
836 | return; | |
837 | } | |
838 | ||
58f6d595 FD |
839 | void trace_debug_info_remove_func(const bt_trace *in_trace, void *data) |
840 | { | |
841 | struct debug_info_msg_iter *debug_it = data; | |
842 | if (debug_it->debug_info_map) { | |
843 | gboolean ret; | |
844 | ret = g_hash_table_remove(debug_it->debug_info_map, | |
845 | (gpointer) in_trace); | |
846 | BT_ASSERT(ret); | |
847 | } | |
848 | } | |
849 | ||
850 | static | |
851 | void handle_event_statedump(struct debug_info_msg_iter *debug_it, | |
852 | const bt_event *event) | |
4f45f9bb | 853 | { |
8eee8ea2 | 854 | const bt_event_class *event_class; |
4f45f9bb JD |
855 | const char *event_name; |
856 | GQuark q_event_name; | |
58f6d595 FD |
857 | const bt_trace *trace; |
858 | struct debug_info *debug_info; | |
859 | ||
860 | BT_ASSERT(debug_it); | |
861 | BT_ASSERT(event); | |
862 | ||
863 | event_class = bt_event_borrow_class_const(event); | |
4f45f9bb | 864 | |
839d52a5 | 865 | event_name = bt_event_class_get_name(event_class); |
58f6d595 FD |
866 | |
867 | trace = bt_stream_borrow_trace_const( | |
868 | bt_event_borrow_stream_const(event)); | |
869 | ||
870 | debug_info = g_hash_table_lookup(debug_it->debug_info_map, trace); | |
871 | if (!debug_info) { | |
872 | debug_info = debug_info_create(debug_it->debug_info_component, | |
8d7183bd | 873 | trace, &debug_it->fd_cache); |
58f6d595 FD |
874 | g_hash_table_insert(debug_it->debug_info_map, (gpointer) trace, |
875 | debug_info); | |
876 | bt_trace_add_destruction_listener(trace, | |
877 | trace_debug_info_remove_func, debug_it, | |
878 | &debug_info->destruction_listener_id); | |
4f45f9bb | 879 | } |
58f6d595 | 880 | |
4f45f9bb JD |
881 | q_event_name = g_quark_try_string(event_name); |
882 | ||
883 | if (q_event_name == debug_info->q_statedump_bin_info) { | |
884 | /* State dump */ | |
58f6d595 | 885 | handle_event_statedump_bin_info(debug_info, event); |
4f45f9bb JD |
886 | } else if (q_event_name == debug_info->q_dl_open || |
887 | q_event_name == debug_info->q_lib_load) { | |
888 | /* | |
889 | * dl_open and lib_load events are both checked for since | |
890 | * only dl_open was produced as of lttng-ust 2.8. | |
891 | * | |
892 | * lib_load, which is produced from lttng-ust 2.9+, is a lot | |
893 | * more reliable since it will be emitted when other functions | |
894 | * of the dlopen family are called (e.g. dlmopen) and when | |
895 | * library are transitively loaded. | |
896 | */ | |
58f6d595 | 897 | handle_event_lib_load(debug_info, event); |
4f45f9bb JD |
898 | } else if (q_event_name == debug_info->q_statedump_start) { |
899 | /* Start state dump */ | |
58f6d595 | 900 | handle_event_statedump_start(debug_info, event); |
4f45f9bb JD |
901 | } else if (q_event_name == debug_info->q_statedump_debug_link) { |
902 | /* Debug link info */ | |
58f6d595 | 903 | handle_event_statedump_debug_link(debug_info, event); |
4f45f9bb JD |
904 | } else if (q_event_name == debug_info->q_statedump_build_id) { |
905 | /* Build ID info */ | |
58f6d595 | 906 | handle_event_statedump_build_id(debug_info, event); |
4f45f9bb | 907 | } else if (q_event_name == debug_info-> q_lib_unload) { |
58f6d595 FD |
908 | handle_event_lib_unload(debug_info, event); |
909 | } | |
910 | ||
911 | return; | |
912 | } | |
913 | ||
914 | static | |
915 | void destroy_debug_info_comp(struct debug_info_component *debug_info) | |
916 | { | |
2638950d FD |
917 | if (!debug_info) { |
918 | return; | |
919 | } | |
920 | ||
921 | g_free(debug_info->arg_debug_dir); | |
922 | g_free(debug_info->arg_debug_info_field_name); | |
923 | g_free(debug_info->arg_target_prefix); | |
58f6d595 FD |
924 | g_free(debug_info); |
925 | } | |
926 | ||
927 | static | |
928 | void fill_debug_info_bin_field(struct debug_info_source *dbg_info_src, | |
929 | bool full_path, bt_field *curr_field) | |
930 | { | |
931 | bt_field_status status; | |
932 | ||
933 | BT_ASSERT(bt_field_get_class_type(curr_field) == | |
934 | BT_FIELD_CLASS_TYPE_STRING); | |
935 | ||
936 | if (dbg_info_src) { | |
937 | if (full_path) { | |
938 | status = bt_field_string_set_value(curr_field, | |
939 | dbg_info_src->bin_path); | |
940 | } else { | |
941 | status = bt_field_string_set_value(curr_field, | |
942 | dbg_info_src->short_bin_path); | |
943 | } | |
944 | if (status != BT_FIELD_STATUS_OK) { | |
945 | BT_LOGE("Cannot set path component of \"bin\" " | |
946 | "curr_field field's value: str-fc-addr=%p", | |
947 | curr_field); | |
948 | } | |
949 | ||
58f6d595 FD |
950 | status = bt_field_string_append(curr_field, dbg_info_src->bin_loc); |
951 | if (status != BT_FIELD_STATUS_OK) { | |
952 | BT_LOGE("Cannot set bin location component of \"bin\" " | |
953 | "curr_field field's value: str-fc-addr=%p", | |
954 | curr_field); | |
955 | } | |
956 | } else { | |
957 | status = bt_field_string_set_value(curr_field, ""); | |
958 | if (status != BT_FIELD_STATUS_OK) { | |
959 | BT_LOGE("Cannot set \"bin\" curr_field field's value: " | |
960 | "str-fc-addr=%p", curr_field); | |
961 | } | |
962 | } | |
963 | } | |
964 | ||
965 | static | |
966 | void fill_debug_info_func_field(struct debug_info_source *dbg_info_src, | |
967 | bt_field *curr_field) | |
968 | { | |
969 | bt_field_status status; | |
970 | ||
971 | BT_ASSERT(bt_field_get_class_type(curr_field) == | |
972 | BT_FIELD_CLASS_TYPE_STRING); | |
973 | if (dbg_info_src && dbg_info_src->func) { | |
974 | status = bt_field_string_set_value(curr_field, | |
975 | dbg_info_src->func); | |
976 | } else { | |
977 | status = bt_field_string_set_value(curr_field, ""); | |
978 | } | |
979 | if (status != BT_FIELD_STATUS_OK) { | |
980 | BT_LOGE("Cannot set \"func\" curr_field field's value: " | |
981 | "str-fc-addr=%p", curr_field); | |
982 | } | |
983 | } | |
984 | ||
985 | static | |
986 | void fill_debug_info_src_field(struct debug_info_source *dbg_info_src, | |
987 | bool full_path, bt_field *curr_field) | |
988 | { | |
989 | bt_field_status status; | |
990 | ||
991 | BT_ASSERT(bt_field_get_class_type(curr_field) == | |
992 | BT_FIELD_CLASS_TYPE_STRING); | |
993 | ||
994 | if (dbg_info_src && dbg_info_src->src_path) { | |
995 | if (full_path) { | |
996 | status = bt_field_string_set_value(curr_field, | |
997 | dbg_info_src->src_path); | |
998 | } else { | |
999 | status = bt_field_string_set_value(curr_field, | |
1000 | dbg_info_src->short_src_path); | |
1001 | } | |
1002 | if (status != BT_FIELD_STATUS_OK) { | |
1003 | BT_LOGE("Cannot set path component of \"src\" " | |
1004 | "curr_field field's value: str-fc-addr=%p", | |
1005 | curr_field); | |
1006 | } | |
1007 | ||
1008 | status = bt_field_string_append(curr_field, ":"); | |
1009 | if (status != BT_FIELD_STATUS_OK) { | |
1010 | BT_LOGE("Cannot set colon component of \"src\" " | |
1011 | "curr_field field's value: str-fc-addr=%p", | |
1012 | curr_field); | |
1013 | } | |
1014 | ||
1015 | status = bt_field_string_append(curr_field, dbg_info_src->line_no); | |
1016 | if (status != BT_FIELD_STATUS_OK) { | |
1017 | BT_LOGE("Cannot set line number component of \"src\" " | |
1018 | "curr_field field's value: str-fc-addr=%p", | |
1019 | curr_field); | |
1020 | } | |
1021 | } else { | |
1022 | status = bt_field_string_set_value(curr_field, ""); | |
1023 | if (status != BT_FIELD_STATUS_OK) { | |
1024 | BT_LOGE("Cannot set \"src\" curr_field field's value: " | |
1025 | "str-fc-addr=%p", curr_field); | |
1026 | } | |
1027 | } | |
1028 | } | |
1029 | ||
1030 | void fill_debug_info_field_empty(bt_field *debug_info_field) | |
1031 | { | |
1032 | bt_field_status status; | |
1033 | bt_field *bin_field, *func_field, *src_field; | |
1034 | ||
1035 | BT_ASSERT(bt_field_get_class_type(debug_info_field) == | |
1036 | BT_FIELD_CLASS_TYPE_STRUCTURE); | |
1037 | ||
1038 | bin_field = bt_field_structure_borrow_member_field_by_name( | |
1039 | debug_info_field, "bin"); | |
1040 | func_field = bt_field_structure_borrow_member_field_by_name( | |
1041 | debug_info_field, "func"); | |
1042 | src_field = bt_field_structure_borrow_member_field_by_name( | |
1043 | debug_info_field, "src"); | |
1044 | ||
1045 | BT_ASSERT(bt_field_get_class_type(bin_field) == | |
1046 | BT_FIELD_CLASS_TYPE_STRING); | |
1047 | BT_ASSERT(bt_field_get_class_type(func_field) == | |
1048 | BT_FIELD_CLASS_TYPE_STRING); | |
1049 | BT_ASSERT(bt_field_get_class_type(src_field) == | |
1050 | BT_FIELD_CLASS_TYPE_STRING); | |
1051 | ||
1052 | status = bt_field_string_set_value(bin_field, ""); | |
1053 | if (status != BT_FIELD_STATUS_OK) { | |
1054 | BT_LOGE("Cannot set \"bin\" bin_field field's value: " | |
1055 | "str-fc-addr=%p", bin_field); | |
1056 | } | |
1057 | ||
1058 | status = bt_field_string_set_value(func_field, ""); | |
1059 | if (status != BT_FIELD_STATUS_OK) { | |
1060 | BT_LOGE("Cannot set \"func\" func_field field's value: " | |
1061 | "str-fc-addr=%p", func_field); | |
1062 | } | |
1063 | ||
1064 | status = bt_field_string_set_value(src_field, ""); | |
1065 | if (status != BT_FIELD_STATUS_OK) { | |
1066 | BT_LOGE("Cannot set \"src\" src_field field's value: " | |
1067 | "str-fc-addr=%p", src_field); | |
1068 | } | |
1069 | } | |
1070 | static | |
1071 | void fill_debug_info_field(struct debug_info *debug_info, int64_t vpid, | |
1072 | uint64_t ip, bt_field *debug_info_field) | |
1073 | { | |
1074 | struct debug_info_source *dbg_info_src; | |
1075 | const bt_field_class *debug_info_fc; | |
1076 | ||
1077 | BT_ASSERT(bt_field_get_class_type(debug_info_field) == | |
1078 | BT_FIELD_CLASS_TYPE_STRUCTURE); | |
1079 | ||
1080 | debug_info_fc = bt_field_borrow_class_const(debug_info_field); | |
1081 | ||
1082 | BT_ASSERT(bt_field_class_structure_get_member_count(debug_info_fc) == 3); | |
1083 | ||
1084 | dbg_info_src = debug_info_query(debug_info, vpid, ip); | |
1085 | ||
1086 | fill_debug_info_bin_field(dbg_info_src, debug_info->comp->arg_full_path, | |
1087 | bt_field_structure_borrow_member_field_by_name( | |
1088 | debug_info_field, "bin")); | |
1089 | fill_debug_info_func_field(dbg_info_src, | |
1090 | bt_field_structure_borrow_member_field_by_name( | |
1091 | debug_info_field, "func")); | |
1092 | fill_debug_info_src_field(dbg_info_src, debug_info->comp->arg_full_path, | |
1093 | bt_field_structure_borrow_member_field_by_name( | |
1094 | debug_info_field, "src")); | |
1095 | } | |
1096 | ||
1097 | static | |
1098 | void fill_debug_info_event_if_needed(struct debug_info_msg_iter *debug_it, | |
1099 | const bt_event *in_event, bt_event *out_event) | |
1100 | { | |
1101 | bt_field *out_common_ctx_field, *out_debug_info_field; | |
1102 | const bt_field *vpid_field, *ip_field, *in_common_ctx_field; | |
1103 | const bt_field_class *in_common_ctx_fc; | |
1104 | struct debug_info *debug_info; | |
1105 | uint64_t vpid; | |
1106 | int64_t ip; | |
2638950d | 1107 | gchar *debug_info_field_name = |
58f6d595 FD |
1108 | debug_it->debug_info_component->arg_debug_info_field_name; |
1109 | ||
1110 | in_common_ctx_field = bt_event_borrow_common_context_field_const( | |
1111 | in_event); | |
1112 | if (!in_common_ctx_field) { | |
1113 | /* | |
1114 | * There is no event common context so no need to add debug | |
1115 | * info field. | |
1116 | */ | |
1117 | goto end; | |
1118 | } | |
1119 | ||
1120 | in_common_ctx_fc = bt_field_borrow_class_const(in_common_ctx_field); | |
1121 | if (!is_event_common_ctx_dbg_info_compatible(in_common_ctx_fc, | |
1122 | debug_it->ir_maps->debug_info_field_class_name)) { | |
1123 | /* | |
1124 | * The input event common context does not have the necessary | |
1125 | * fields to resolve debug information. | |
1126 | */ | |
1127 | goto end; | |
1128 | } | |
1129 | ||
1130 | /* Borrow the debug-info field. */ | |
1131 | out_common_ctx_field = bt_event_borrow_common_context_field(out_event); | |
1132 | if (!out_common_ctx_field) { | |
1133 | goto end; | |
4f45f9bb JD |
1134 | } |
1135 | ||
58f6d595 FD |
1136 | out_debug_info_field = bt_field_structure_borrow_member_field_by_name( |
1137 | out_common_ctx_field, debug_info_field_name); | |
1138 | ||
1139 | vpid_field = bt_field_structure_borrow_member_field_by_name_const( | |
1140 | out_common_ctx_field, VPID_FIELD_NAME); | |
1141 | ip_field = bt_field_structure_borrow_member_field_by_name_const( | |
1142 | out_common_ctx_field, IP_FIELD_NAME); | |
1143 | ||
1144 | vpid = bt_field_signed_integer_get_value(vpid_field); | |
1145 | ip = bt_field_unsigned_integer_get_value(ip_field); | |
1146 | ||
1147 | /* | |
1148 | * Borrow the debug_info structure needed for the source | |
1149 | * resolving. | |
1150 | */ | |
1151 | debug_info = g_hash_table_lookup(debug_it->debug_info_map, | |
1152 | bt_stream_borrow_trace_const( | |
1153 | bt_event_borrow_stream_const(in_event))); | |
1154 | ||
1155 | if (debug_info) { | |
1156 | /* | |
1157 | * Perform the debug-info resolving and set the event fields | |
1158 | * accordingly. | |
1159 | */ | |
1160 | fill_debug_info_field(debug_info, vpid, ip, out_debug_info_field); | |
1161 | } else { | |
1162 | BT_LOGD("No debug information for this trace. Setting debug " | |
1163 | "info fields to empty strings."); | |
1164 | fill_debug_info_field_empty(out_debug_info_field); | |
1165 | } | |
4f45f9bb JD |
1166 | end: |
1167 | return; | |
1168 | } | |
58f6d595 FD |
1169 | |
1170 | static | |
1171 | void update_event_statedump_if_needed(struct debug_info_msg_iter *debug_it, | |
1172 | const bt_event *in_event) | |
1173 | { | |
1174 | const bt_field *event_common_ctx; | |
1175 | const bt_field_class *event_common_ctx_fc; | |
1176 | const bt_event_class *in_event_class = bt_event_borrow_class_const(in_event); | |
1177 | ||
1178 | /* | |
1179 | * If the event is an lttng_ust_statedump event AND has the right event | |
1180 | * common context fields update the debug-info view for this process. | |
1181 | */ | |
1182 | event_common_ctx = bt_event_borrow_common_context_field_const(in_event); | |
1183 | if (!event_common_ctx) { | |
1184 | goto end; | |
1185 | } | |
1186 | ||
1187 | event_common_ctx_fc = bt_field_borrow_class_const(event_common_ctx); | |
1188 | if (is_event_common_ctx_dbg_info_compatible(event_common_ctx_fc, | |
1189 | debug_it->ir_maps->debug_info_field_class_name)) { | |
1190 | /* Checkout if it might be a one of lttng ust statedump events. */ | |
1191 | const char *in_event_name = bt_event_class_get_name(in_event_class); | |
1192 | if (strncmp(in_event_name, LTTNG_UST_STATEDUMP_PREFIX, | |
1193 | strlen(LTTNG_UST_STATEDUMP_PREFIX)) == 0) { | |
1194 | /* Handle statedump events. */ | |
1195 | handle_event_statedump(debug_it, in_event); | |
1196 | } | |
1197 | } | |
1198 | end: | |
1199 | return; | |
1200 | } | |
1201 | ||
1202 | static | |
1203 | bt_message *handle_event_message(struct debug_info_msg_iter *debug_it, | |
1204 | const bt_message *in_message) | |
1205 | { | |
1206 | const bt_clock_snapshot *cs; | |
1207 | const bt_clock_class *default_cc; | |
1208 | const bt_packet *in_packet; | |
58f6d595 FD |
1209 | bt_event_class *out_event_class; |
1210 | bt_packet *out_packet; | |
1211 | bt_event *out_event; | |
1212 | ||
1213 | bt_message *out_message = NULL; | |
1214 | ||
1215 | /* Borrow the input event and its event class. */ | |
1216 | const bt_event *in_event = | |
1217 | bt_message_event_borrow_event_const(in_message); | |
1218 | const bt_event_class *in_event_class = | |
1219 | bt_event_borrow_class_const(in_event); | |
1220 | ||
1221 | update_event_statedump_if_needed(debug_it, in_event); | |
1222 | ||
1223 | out_event_class = trace_ir_mapping_borrow_mapped_event_class( | |
1224 | debug_it->ir_maps, in_event_class); | |
1225 | if (!out_event_class) { | |
1226 | out_event_class = trace_ir_mapping_create_new_mapped_event_class( | |
1227 | debug_it->ir_maps, in_event_class); | |
1228 | } | |
1229 | BT_ASSERT(out_event_class); | |
1230 | ||
1231 | /* Borrow the input and output packets. */ | |
1232 | in_packet = bt_event_borrow_packet_const(in_event); | |
1233 | out_packet = trace_ir_mapping_borrow_mapped_packet(debug_it->ir_maps, | |
1234 | in_packet); | |
1235 | ||
1236 | default_cc = bt_stream_class_borrow_default_clock_class_const( | |
1237 | bt_event_class_borrow_stream_class_const(in_event_class)); | |
1238 | if (default_cc) { | |
1239 | /* Borrow event clock snapshot. */ | |
11ddb3ef PP |
1240 | cs = bt_message_event_borrow_default_clock_snapshot_const( |
1241 | in_message); | |
58f6d595 FD |
1242 | |
1243 | /* Create an output event message. */ | |
58f6d595 FD |
1244 | out_message = bt_message_event_create_with_default_clock_snapshot( |
1245 | debug_it->input_iterator, | |
1246 | out_event_class, out_packet, | |
1247 | bt_clock_snapshot_get_value(cs)); | |
1248 | } else { | |
1249 | out_message = bt_message_event_create(debug_it->input_iterator, | |
1250 | out_event_class, out_packet); | |
1251 | } | |
1252 | ||
1253 | if (!out_message) { | |
1254 | BT_LOGE("Error creating output event message."); | |
1255 | goto error; | |
1256 | } | |
1257 | ||
1258 | out_event = bt_message_event_borrow_event(out_message); | |
1259 | ||
1260 | /* Copy the original fields to the output event. */ | |
1261 | copy_event_content(in_event, out_event); | |
1262 | ||
1263 | /* | |
1264 | * Try to set the debug-info fields based on debug information that is | |
1265 | * gathered so far. | |
1266 | */ | |
1267 | fill_debug_info_event_if_needed(debug_it, in_event, out_event); | |
1268 | ||
1269 | error: | |
1270 | return out_message; | |
1271 | } | |
1272 | ||
1273 | static | |
1274 | bt_message *handle_stream_begin_message(struct debug_info_msg_iter *debug_it, | |
1275 | const bt_message *in_message) | |
1276 | { | |
1277 | const bt_stream *in_stream; | |
1278 | bt_message *out_message; | |
1279 | bt_stream *out_stream; | |
1280 | ||
1281 | in_stream = bt_message_stream_beginning_borrow_stream_const(in_message); | |
1282 | BT_ASSERT(in_stream); | |
1283 | ||
1284 | /* Create a duplicated output stream. */ | |
1285 | out_stream = trace_ir_mapping_create_new_mapped_stream( | |
1286 | debug_it->ir_maps, in_stream); | |
1287 | if (!out_stream) { | |
1288 | out_message = NULL; | |
1289 | goto error; | |
1290 | } | |
1291 | ||
1292 | /* Create an output stream beginning message. */ | |
1293 | out_message = bt_message_stream_beginning_create( | |
1294 | debug_it->input_iterator, out_stream); | |
1295 | if (!out_message) { | |
1296 | BT_LOGE("Error creating output stream beginning message: " | |
1297 | "out-s-addr=%p", out_stream); | |
1298 | } | |
1299 | error: | |
1300 | return out_message; | |
1301 | } | |
1302 | ||
1303 | static | |
1304 | bt_message *handle_stream_end_message(struct debug_info_msg_iter *debug_it, | |
1305 | const bt_message *in_message) | |
1306 | { | |
1307 | const bt_stream *in_stream; | |
1308 | bt_message *out_message = NULL; | |
1309 | bt_stream *out_stream; | |
1310 | ||
1311 | in_stream = bt_message_stream_end_borrow_stream_const(in_message); | |
1312 | BT_ASSERT(in_stream); | |
1313 | ||
1314 | out_stream = trace_ir_mapping_borrow_mapped_stream( | |
1315 | debug_it->ir_maps, in_stream); | |
1316 | BT_ASSERT(out_stream); | |
1317 | ||
1318 | /* Create an output stream end message. */ | |
1319 | out_message = bt_message_stream_end_create(debug_it->input_iterator, | |
1320 | out_stream); | |
1321 | if (!out_message) { | |
1322 | BT_LOGE("Error creating output stream end message: out-s-addr=%p", | |
1323 | out_stream); | |
1324 | } | |
1325 | ||
1326 | /* Remove stream from trace mapping hashtable. */ | |
1327 | trace_ir_mapping_remove_mapped_stream(debug_it->ir_maps, in_stream); | |
1328 | ||
1329 | return out_message; | |
1330 | } | |
1331 | ||
1332 | static | |
1333 | bt_message *handle_packet_begin_message(struct debug_info_msg_iter *debug_it, | |
1334 | const bt_message *in_message) | |
1335 | { | |
34e13c22 | 1336 | bool has_default_clock_snapshot; |
58f6d595 FD |
1337 | const bt_clock_snapshot *cs; |
1338 | bt_message *out_message = NULL; | |
1339 | bt_packet *out_packet; | |
1340 | ||
1341 | const bt_packet *in_packet = | |
1342 | bt_message_packet_beginning_borrow_packet_const(in_message); | |
1343 | BT_ASSERT(in_packet); | |
1344 | ||
1345 | /* This packet should not be already mapped. */ | |
1346 | BT_ASSERT(!trace_ir_mapping_borrow_mapped_packet( | |
1347 | debug_it->ir_maps, in_packet)); | |
1348 | ||
1349 | out_packet = trace_ir_mapping_create_new_mapped_packet(debug_it->ir_maps, | |
1350 | in_packet); | |
1351 | ||
1352 | BT_ASSERT(out_packet); | |
1353 | ||
34e13c22 | 1354 | has_default_clock_snapshot = |
5ef34326 | 1355 | bt_stream_class_packets_have_beginning_default_clock_snapshot( |
58f6d595 FD |
1356 | bt_stream_borrow_class_const( |
1357 | bt_packet_borrow_stream_const(in_packet))); | |
34e13c22 | 1358 | if (has_default_clock_snapshot) { |
58f6d595 | 1359 | /* Borrow clock snapshot. */ |
11ddb3ef PP |
1360 | cs = bt_message_packet_beginning_borrow_default_clock_snapshot_const( |
1361 | in_message); | |
58f6d595 FD |
1362 | |
1363 | /* Create an output packet beginning message. */ | |
58f6d595 FD |
1364 | out_message = bt_message_packet_beginning_create_with_default_clock_snapshot( |
1365 | debug_it->input_iterator, out_packet, | |
1366 | bt_clock_snapshot_get_value(cs)); | |
1367 | } else { | |
1368 | out_message = bt_message_packet_beginning_create( | |
1369 | debug_it->input_iterator, out_packet); | |
1370 | } | |
1371 | if (!out_message) { | |
1372 | BT_LOGE("Error creating output packet beginning message: " | |
1373 | "out-p-addr=%p", out_packet); | |
1374 | } | |
1375 | ||
1376 | return out_message; | |
1377 | } | |
1378 | ||
1379 | static | |
1380 | bt_message *handle_packet_end_message(struct debug_info_msg_iter *debug_it, | |
1381 | const bt_message *in_message) | |
1382 | { | |
34e13c22 | 1383 | bool has_default_clock_snapshot; |
58f6d595 FD |
1384 | const bt_clock_snapshot *cs; |
1385 | const bt_packet *in_packet; | |
58f6d595 FD |
1386 | bt_message *out_message = NULL; |
1387 | bt_packet *out_packet; | |
1388 | ||
1389 | in_packet = bt_message_packet_end_borrow_packet_const(in_message); | |
1390 | BT_ASSERT(in_packet); | |
1391 | ||
1392 | out_packet = trace_ir_mapping_borrow_mapped_packet(debug_it->ir_maps, in_packet); | |
1393 | BT_ASSERT(out_packet); | |
1394 | ||
34e13c22 | 1395 | has_default_clock_snapshot = |
5ef34326 | 1396 | bt_stream_class_packets_have_end_default_clock_snapshot( |
58f6d595 FD |
1397 | bt_stream_borrow_class_const( |
1398 | bt_packet_borrow_stream_const(in_packet))); | |
34e13c22 | 1399 | if (has_default_clock_snapshot) { |
58f6d595 | 1400 | /* Borrow clock snapshot. */ |
11ddb3ef PP |
1401 | cs = bt_message_packet_end_borrow_default_clock_snapshot_const( |
1402 | in_message); | |
58f6d595 FD |
1403 | |
1404 | /* Create an outpute packet end message. */ | |
58f6d595 FD |
1405 | out_message = bt_message_packet_end_create_with_default_clock_snapshot( |
1406 | debug_it->input_iterator, out_packet, | |
1407 | bt_clock_snapshot_get_value(cs)); | |
1408 | } else { | |
1409 | out_message = bt_message_packet_end_create( | |
1410 | debug_it->input_iterator, out_packet); | |
1411 | } | |
1412 | ||
1413 | if (!out_message) { | |
1414 | BT_LOGE("Error creating output packet end message: " | |
1415 | "out-p-addr=%p", out_packet); | |
1416 | } | |
1417 | ||
1418 | /* Remove packet from data mapping hashtable. */ | |
1419 | trace_ir_mapping_remove_mapped_packet(debug_it->ir_maps, in_packet); | |
1420 | ||
1421 | return out_message; | |
1422 | } | |
1423 | ||
1424 | static | |
1425 | bt_message *handle_msg_iterator_inactivity(struct debug_info_msg_iter *debug_it, | |
1426 | const bt_message *in_message) | |
1427 | { | |
1428 | /* | |
1429 | * This message type can be forwarded directly because it does | |
1430 | * not refer to any objects in the trace class. | |
1431 | */ | |
1432 | bt_message_get_ref(in_message); | |
1433 | return (bt_message*) in_message; | |
1434 | } | |
1435 | ||
1436 | static | |
1437 | bt_message *handle_stream_act_begin_message(struct debug_info_msg_iter *debug_it, | |
1438 | const bt_message *in_message) | |
1439 | { | |
1440 | const bt_clock_snapshot *cs; | |
1441 | const bt_clock_class *default_cc; | |
1442 | bt_message *out_message = NULL; | |
1443 | bt_stream *out_stream; | |
1444 | uint64_t cs_value; | |
1445 | bt_message_stream_activity_clock_snapshot_state cs_state; | |
1446 | ||
1447 | const bt_stream *in_stream = | |
1448 | bt_message_stream_activity_beginning_borrow_stream_const( | |
1449 | in_message); | |
1450 | BT_ASSERT(in_stream); | |
1451 | ||
1452 | out_stream = trace_ir_mapping_borrow_mapped_stream(debug_it->ir_maps, | |
1453 | in_stream); | |
1454 | BT_ASSERT(out_stream); | |
1455 | ||
1456 | out_message = bt_message_stream_activity_beginning_create( | |
1457 | debug_it->input_iterator, out_stream); | |
1458 | if (!out_message) { | |
1459 | BT_LOGE("Error creating output stream activity beginning " | |
1460 | "message: out-s-addr=%p", out_stream); | |
1461 | goto error; | |
1462 | } | |
1463 | ||
1464 | default_cc = bt_stream_class_borrow_default_clock_class_const( | |
1465 | bt_stream_borrow_class_const(in_stream)); | |
1466 | if (default_cc) { | |
1467 | /* Borrow clock snapshot. */ | |
1468 | cs_state = | |
1469 | bt_message_stream_activity_beginning_borrow_default_clock_snapshot_const( | |
1470 | in_message, &cs); | |
1471 | ||
1472 | if (cs_state == BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN) { | |
1473 | cs_value = bt_clock_snapshot_get_value(cs); | |
1474 | bt_message_stream_activity_beginning_set_default_clock_snapshot( | |
1475 | out_message, cs_value); | |
1476 | } else { | |
1477 | bt_message_stream_activity_beginning_set_default_clock_snapshot_state( | |
1478 | out_message, cs_state); | |
1479 | } | |
1480 | } | |
1481 | ||
1482 | error: | |
1483 | return out_message; | |
1484 | } | |
1485 | ||
1486 | static | |
1487 | bt_message *handle_stream_act_end_message(struct debug_info_msg_iter *debug_it, | |
1488 | const bt_message *in_message) | |
1489 | { | |
1490 | const bt_clock_snapshot *cs; | |
1491 | const bt_clock_class *default_cc; | |
1492 | const bt_stream *in_stream; | |
1493 | bt_message *out_message; | |
1494 | bt_stream *out_stream; | |
1495 | uint64_t cs_value; | |
1496 | bt_message_stream_activity_clock_snapshot_state cs_state; | |
1497 | ||
1498 | in_stream = bt_message_stream_activity_end_borrow_stream_const( | |
1499 | in_message); | |
1500 | BT_ASSERT(in_stream); | |
1501 | ||
3b841d03 FD |
1502 | out_stream = trace_ir_mapping_borrow_mapped_stream(debug_it->ir_maps, |
1503 | in_stream); | |
58f6d595 FD |
1504 | BT_ASSERT(out_stream); |
1505 | ||
1506 | out_message = bt_message_stream_activity_end_create( | |
1507 | debug_it->input_iterator, out_stream); | |
1508 | if (!out_message) { | |
1509 | BT_LOGE("Error creating output stream activity end message: " | |
1510 | "out-s-addr=%p", out_stream); | |
1511 | goto error; | |
1512 | } | |
1513 | ||
1514 | default_cc = bt_stream_class_borrow_default_clock_class_const( | |
1515 | bt_stream_borrow_class_const(in_stream)); | |
1516 | ||
1517 | if (default_cc) { | |
1518 | cs_state = | |
1519 | bt_message_stream_activity_end_borrow_default_clock_snapshot_const( | |
1520 | in_message, &cs); | |
1521 | ||
1522 | if (cs_state == BT_MESSAGE_STREAM_ACTIVITY_CLOCK_SNAPSHOT_STATE_KNOWN ) { | |
1523 | cs_value = bt_clock_snapshot_get_value(cs); | |
1524 | bt_message_stream_activity_end_set_default_clock_snapshot( | |
1525 | out_message, cs_value); | |
1526 | } else { | |
1527 | bt_message_stream_activity_end_set_default_clock_snapshot_state( | |
1528 | out_message, cs_state); | |
1529 | } | |
1530 | } | |
1531 | ||
1532 | error: | |
1533 | return out_message; | |
1534 | } | |
1535 | ||
1536 | static | |
1537 | bt_message *handle_discarded_events_message(struct debug_info_msg_iter *debug_it, | |
1538 | const bt_message *in_message) | |
1539 | { | |
1540 | const bt_clock_snapshot *begin_cs, *end_cs; | |
1541 | const bt_stream *in_stream; | |
77037b2b | 1542 | bool has_default_clock_snapshots; |
58f6d595 | 1543 | uint64_t discarded_events, begin_cs_value, end_cs_value; |
58f6d595 FD |
1544 | bt_property_availability prop_avail; |
1545 | bt_message *out_message = NULL; | |
1546 | bt_stream *out_stream; | |
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( | |
1553 | debug_it->ir_maps, in_stream); | |
1554 | BT_ASSERT(out_stream); | |
1555 | ||
77037b2b PP |
1556 | has_default_clock_snapshots = |
1557 | bt_stream_class_discarded_events_have_default_clock_snapshots( | |
58f6d595 | 1558 | bt_stream_borrow_class_const(in_stream)); |
77037b2b | 1559 | if (has_default_clock_snapshots) { |
11ddb3ef | 1560 | begin_cs = |
5ef34326 | 1561 | bt_message_discarded_events_borrow_beginning_default_clock_snapshot_const( |
11ddb3ef PP |
1562 | in_message); |
1563 | end_cs = | |
5ef34326 | 1564 | bt_message_discarded_events_borrow_end_default_clock_snapshot_const( |
11ddb3ef | 1565 | in_message); |
58f6d595 FD |
1566 | |
1567 | begin_cs_value = bt_clock_snapshot_get_value(begin_cs); | |
1568 | end_cs_value = bt_clock_snapshot_get_value(end_cs); | |
1569 | ||
1570 | out_message = | |
1571 | bt_message_discarded_events_create_with_default_clock_snapshots( | |
1572 | debug_it->input_iterator, out_stream, | |
1573 | begin_cs_value, end_cs_value); | |
1574 | } else { | |
1575 | out_message = bt_message_discarded_events_create( | |
1576 | debug_it->input_iterator, out_stream); | |
1577 | } | |
1578 | if (!out_message) { | |
1579 | BT_LOGE("Error creating output discarded events message: " | |
1580 | "out-s-addr=%p", out_stream); | |
1581 | goto error; | |
1582 | } | |
1583 | ||
1584 | prop_avail = bt_message_discarded_events_get_count(in_message, | |
1585 | &discarded_events); | |
1586 | ||
1587 | if (prop_avail == BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE) { | |
1588 | bt_message_discarded_events_set_count(out_message, | |
1589 | discarded_events); | |
1590 | } | |
1591 | ||
1592 | error: | |
1593 | return out_message; | |
1594 | } | |
1595 | ||
1596 | static | |
1597 | bt_message *handle_discarded_packets_message(struct debug_info_msg_iter *debug_it, | |
1598 | const bt_message *in_message) | |
1599 | { | |
1600 | const bt_clock_snapshot *begin_cs, *end_cs; | |
77037b2b | 1601 | bool has_default_clock_snapshots; |
58f6d595 FD |
1602 | const bt_stream *in_stream; |
1603 | uint64_t discarded_packets, begin_cs_value, end_cs_value; | |
58f6d595 FD |
1604 | bt_property_availability prop_avail; |
1605 | bt_message *out_message = NULL; | |
1606 | bt_stream *out_stream; | |
1607 | ||
1608 | in_stream = bt_message_discarded_packets_borrow_stream_const( | |
1609 | in_message); | |
1610 | BT_ASSERT(in_stream); | |
1611 | ||
1612 | out_stream = trace_ir_mapping_borrow_mapped_stream( | |
1613 | debug_it->ir_maps, in_stream); | |
1614 | BT_ASSERT(out_stream); | |
1615 | ||
77037b2b PP |
1616 | has_default_clock_snapshots = |
1617 | bt_stream_class_discarded_packets_have_default_clock_snapshots( | |
58f6d595 | 1618 | bt_stream_borrow_class_const(in_stream)); |
77037b2b | 1619 | if (has_default_clock_snapshots) { |
11ddb3ef | 1620 | begin_cs = |
5ef34326 | 1621 | bt_message_discarded_packets_borrow_beginning_default_clock_snapshot_const( |
11ddb3ef | 1622 | in_message); |
58f6d595 | 1623 | |
11ddb3ef | 1624 | end_cs = |
5ef34326 | 1625 | bt_message_discarded_packets_borrow_end_default_clock_snapshot_const( |
11ddb3ef | 1626 | in_message); |
58f6d595 FD |
1627 | |
1628 | begin_cs_value = bt_clock_snapshot_get_value(begin_cs); | |
1629 | end_cs_value = bt_clock_snapshot_get_value(end_cs); | |
1630 | ||
1631 | out_message = bt_message_discarded_packets_create_with_default_clock_snapshots( | |
1632 | debug_it->input_iterator, out_stream, | |
1633 | begin_cs_value, end_cs_value); | |
1634 | } else { | |
1635 | out_message = bt_message_discarded_packets_create( | |
1636 | debug_it->input_iterator, out_stream); | |
1637 | } | |
1638 | if (!out_message) { | |
1639 | BT_LOGE("Error creating output discarded packet message: " | |
1640 | "out-s-addr=%p", out_stream); | |
1641 | goto error; | |
1642 | } | |
1643 | ||
1644 | prop_avail = bt_message_discarded_packets_get_count(in_message, | |
1645 | &discarded_packets); | |
1646 | if (prop_avail == BT_PROPERTY_AVAILABILITY_NOT_AVAILABLE) { | |
1647 | bt_message_discarded_packets_set_count(out_message, | |
1648 | discarded_packets); | |
1649 | } | |
1650 | ||
1651 | error: | |
1652 | return out_message; | |
1653 | } | |
1654 | ||
1655 | static | |
1656 | const bt_message *handle_message(struct debug_info_msg_iter *debug_it, | |
1657 | const bt_message *in_message) | |
1658 | { | |
1659 | bt_message *out_message = NULL; | |
1660 | ||
1661 | switch (bt_message_get_type(in_message)) { | |
1662 | case BT_MESSAGE_TYPE_EVENT: | |
1663 | out_message = handle_event_message(debug_it, | |
1664 | in_message); | |
1665 | break; | |
1666 | case BT_MESSAGE_TYPE_PACKET_BEGINNING: | |
1667 | out_message = handle_packet_begin_message(debug_it, | |
1668 | in_message); | |
1669 | break; | |
1670 | case BT_MESSAGE_TYPE_PACKET_END: | |
1671 | out_message = handle_packet_end_message(debug_it, | |
1672 | in_message); | |
1673 | break; | |
1674 | case BT_MESSAGE_TYPE_STREAM_BEGINNING: | |
1675 | out_message = handle_stream_begin_message(debug_it, | |
1676 | in_message); | |
1677 | break; | |
1678 | case BT_MESSAGE_TYPE_STREAM_END: | |
1679 | out_message = handle_stream_end_message(debug_it, | |
1680 | in_message); | |
1681 | break; | |
1682 | case BT_MESSAGE_TYPE_MESSAGE_ITERATOR_INACTIVITY: | |
1683 | out_message = handle_msg_iterator_inactivity(debug_it, | |
1684 | in_message); | |
1685 | break; | |
1686 | case BT_MESSAGE_TYPE_STREAM_ACTIVITY_BEGINNING: | |
1687 | out_message = handle_stream_act_begin_message(debug_it, | |
1688 | in_message); | |
1689 | break; | |
1690 | case BT_MESSAGE_TYPE_STREAM_ACTIVITY_END: | |
1691 | out_message = handle_stream_act_end_message(debug_it, | |
1692 | in_message); | |
1693 | break; | |
1694 | case BT_MESSAGE_TYPE_DISCARDED_EVENTS: | |
1695 | out_message = handle_discarded_events_message(debug_it, | |
1696 | in_message); | |
1697 | break; | |
1698 | case BT_MESSAGE_TYPE_DISCARDED_PACKETS: | |
1699 | out_message = handle_discarded_packets_message(debug_it, | |
1700 | in_message); | |
1701 | break; | |
1702 | default: | |
1703 | abort(); | |
1704 | break; | |
1705 | } | |
1706 | ||
1707 | return out_message; | |
1708 | } | |
1709 | ||
1710 | static | |
1711 | int init_from_params(struct debug_info_component *debug_info_component, | |
1712 | const bt_value *params) | |
1713 | { | |
1714 | const bt_value *value = NULL; | |
1715 | int ret = 0; | |
1716 | ||
1717 | BT_ASSERT(params); | |
1718 | ||
1719 | value = bt_value_map_borrow_entry_value_const(params, | |
1720 | "debug-info-field-name"); | |
1721 | if (value) { | |
58f6d595 | 1722 | debug_info_component->arg_debug_info_field_name = |
2638950d | 1723 | g_strdup(bt_value_string_get(value)); |
58f6d595 FD |
1724 | } else { |
1725 | debug_info_component->arg_debug_info_field_name = | |
2638950d | 1726 | g_strdup(DEFAULT_DEBUG_INFO_FIELD_NAME); |
58f6d595 FD |
1727 | } |
1728 | ||
1729 | value = bt_value_map_borrow_entry_value_const(params, "debug-info-dir"); | |
1730 | if (value) { | |
2638950d FD |
1731 | debug_info_component->arg_debug_dir = |
1732 | g_strdup(bt_value_string_get(value)); | |
1733 | } else { | |
1734 | debug_info_component->arg_debug_dir = NULL; | |
58f6d595 FD |
1735 | } |
1736 | ||
2638950d | 1737 | |
58f6d595 FD |
1738 | value = bt_value_map_borrow_entry_value_const(params, "target-prefix"); |
1739 | if (value) { | |
1740 | debug_info_component->arg_target_prefix = | |
2638950d FD |
1741 | g_strdup(bt_value_string_get(value)); |
1742 | } else { | |
1743 | debug_info_component->arg_target_prefix = NULL; | |
58f6d595 FD |
1744 | } |
1745 | ||
1746 | value = bt_value_map_borrow_entry_value_const(params, "full-path"); | |
1747 | if (value) { | |
1748 | debug_info_component->arg_full_path = bt_value_bool_get(value); | |
2638950d FD |
1749 | } else { |
1750 | debug_info_component->arg_full_path = BT_FALSE; | |
58f6d595 FD |
1751 | } |
1752 | ||
58f6d595 FD |
1753 | return ret; |
1754 | } | |
1755 | ||
1756 | BT_HIDDEN | |
1757 | bt_self_component_status debug_info_comp_init( | |
1758 | bt_self_component_filter *self_comp, | |
f807570c | 1759 | const bt_value *params, __attribute__((unused)) void *init_method_data) |
58f6d595 FD |
1760 | { |
1761 | int ret; | |
1762 | struct debug_info_component *debug_info_comp; | |
1763 | bt_self_component_status status = BT_SELF_COMPONENT_STATUS_OK; | |
1764 | ||
a684a357 | 1765 | BT_LOGI("Initializing debug_info component: " |
58f6d595 FD |
1766 | "comp-addr=%p, params-addr=%p", self_comp, params); |
1767 | ||
1768 | debug_info_comp = g_new0(struct debug_info_component, 1); | |
1769 | if (!debug_info_comp) { | |
1770 | BT_LOGE_STR("Failed to allocate one debug_info component."); | |
1771 | goto error; | |
1772 | } | |
1773 | ||
1774 | bt_self_component_set_data( | |
1775 | bt_self_component_filter_as_self_component(self_comp), | |
1776 | debug_info_comp); | |
1777 | ||
1778 | status = bt_self_component_filter_add_input_port(self_comp, "in", | |
1779 | NULL, NULL); | |
1780 | if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
1781 | goto error; | |
1782 | } | |
1783 | ||
1784 | status = bt_self_component_filter_add_output_port(self_comp, "out", | |
1785 | NULL, NULL); | |
1786 | if (status != BT_SELF_COMPONENT_STATUS_OK) { | |
1787 | goto error; | |
1788 | } | |
1789 | ||
1790 | ret = init_from_params(debug_info_comp, params); | |
1791 | if (ret) { | |
1792 | BT_LOGE("Cannot configure debug_info component: " | |
1793 | "debug_info-comp-addr=%p, params-addr=%p", | |
1794 | debug_info_comp, params); | |
1795 | goto error; | |
1796 | } | |
1797 | ||
1798 | goto end; | |
1799 | ||
1800 | error: | |
1801 | destroy_debug_info_comp(debug_info_comp); | |
1802 | bt_self_component_set_data( | |
1803 | bt_self_component_filter_as_self_component(self_comp), | |
1804 | NULL); | |
1805 | ||
1806 | if (status == BT_SELF_COMPONENT_STATUS_OK) { | |
1807 | status = BT_SELF_COMPONENT_STATUS_ERROR; | |
1808 | } | |
1809 | end: | |
1810 | return status; | |
1811 | } | |
1812 | ||
1813 | BT_HIDDEN | |
1814 | void debug_info_comp_finalize(bt_self_component_filter *self_comp) | |
1815 | { | |
1816 | struct debug_info_component *debug_info = | |
1817 | bt_self_component_get_data( | |
1818 | bt_self_component_filter_as_self_component( | |
1819 | self_comp)); | |
a684a357 | 1820 | BT_LOGI("Finalizing debug_info self_component: comp-addr=%p", |
58f6d595 FD |
1821 | self_comp); |
1822 | ||
1823 | destroy_debug_info_comp(debug_info); | |
1824 | } | |
1825 | ||
1826 | BT_HIDDEN | |
1827 | bt_self_message_iterator_status debug_info_msg_iter_next( | |
1828 | bt_self_message_iterator *self_msg_iter, | |
1829 | const bt_message_array_const msgs, uint64_t capacity, | |
1830 | uint64_t *count) | |
1831 | { | |
1832 | bt_self_component_port_input_message_iterator *upstream_iterator = NULL; | |
1833 | bt_message_iterator_status upstream_iterator_ret_status; | |
1834 | struct debug_info_msg_iter *debug_info_msg_iter; | |
1835 | struct debug_info_component *debug_info = NULL; | |
1836 | bt_self_message_iterator_status status; | |
1837 | bt_self_component *self_comp = NULL; | |
1838 | bt_message_array_const input_msgs; | |
1839 | const bt_message *out_message; | |
1840 | uint64_t curr_msg_idx, i; | |
1841 | ||
1842 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
1843 | ||
1844 | self_comp = bt_self_message_iterator_borrow_component(self_msg_iter); | |
1845 | BT_ASSERT(self_comp); | |
1846 | ||
1847 | debug_info = bt_self_component_get_data(self_comp); | |
1848 | BT_ASSERT(debug_info); | |
1849 | ||
1850 | debug_info_msg_iter = bt_self_message_iterator_get_data(self_msg_iter); | |
1851 | BT_ASSERT(debug_info_msg_iter); | |
1852 | ||
1853 | upstream_iterator = debug_info_msg_iter->msg_iter; | |
1854 | BT_ASSERT(upstream_iterator); | |
1855 | ||
1856 | upstream_iterator_ret_status = | |
1857 | bt_self_component_port_input_message_iterator_next( | |
1858 | upstream_iterator, &input_msgs, count); | |
1859 | if (upstream_iterator_ret_status != BT_MESSAGE_ITERATOR_STATUS_OK) { | |
1860 | /* | |
1861 | * No messages were returned. Not necessarily an error. Convert | |
1862 | * the upstream message iterator status to a self status. | |
1863 | */ | |
1864 | status = bt_common_message_iterator_status_to_self( | |
1865 | upstream_iterator_ret_status); | |
1866 | goto end; | |
1867 | } | |
1868 | ||
1869 | /* | |
1870 | * There should never be more received messages than the capacity we | |
1871 | * provided. | |
1872 | */ | |
1873 | BT_ASSERT(*count <= capacity); | |
1874 | ||
1875 | for (curr_msg_idx = 0; curr_msg_idx < *count; curr_msg_idx++) { | |
1876 | out_message = handle_message(debug_info_msg_iter, | |
1877 | input_msgs[curr_msg_idx]); | |
1878 | if (!out_message) { | |
1879 | goto handle_msg_error; | |
1880 | } | |
1881 | ||
1882 | msgs[curr_msg_idx] = out_message; | |
1883 | /* | |
1884 | * Drop our reference of the input message as we are done with | |
1885 | * it and created a output copy. | |
1886 | */ | |
1887 | bt_message_put_ref(input_msgs[curr_msg_idx]); | |
1888 | } | |
1889 | ||
1890 | goto end; | |
1891 | ||
1892 | handle_msg_error: | |
1893 | /* | |
1894 | * Drop references of all the output messages created before the | |
1895 | * failure. | |
1896 | */ | |
1897 | for (i = 0; i < curr_msg_idx; i++) { | |
1898 | bt_message_put_ref(msgs[i]); | |
1899 | } | |
1900 | ||
1901 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
1902 | end: | |
1903 | return status; | |
1904 | } | |
1905 | ||
3b841d03 FD |
1906 | static |
1907 | void debug_info_msg_iter_destroy(struct debug_info_msg_iter *debug_info_msg_iter) | |
1908 | { | |
1909 | if (!debug_info_msg_iter) { | |
1910 | goto end; | |
1911 | } | |
1912 | ||
1913 | if (debug_info_msg_iter->msg_iter) { | |
1914 | bt_self_component_port_input_message_iterator_put_ref( | |
1915 | debug_info_msg_iter->msg_iter); | |
1916 | } | |
1917 | ||
1918 | if (debug_info_msg_iter->ir_maps) { | |
1919 | trace_ir_maps_destroy(debug_info_msg_iter->ir_maps); | |
1920 | } | |
1921 | ||
1922 | if (debug_info_msg_iter->debug_info_map) { | |
1923 | g_hash_table_destroy(debug_info_msg_iter->debug_info_map); | |
1924 | } | |
1925 | ||
1926 | bt_fd_cache_fini(&debug_info_msg_iter->fd_cache); | |
1927 | g_free(debug_info_msg_iter); | |
1928 | ||
1929 | end: | |
1930 | return; | |
1931 | } | |
1932 | ||
58f6d595 FD |
1933 | BT_HIDDEN |
1934 | bt_self_message_iterator_status debug_info_msg_iter_init( | |
1935 | bt_self_message_iterator *self_msg_iter, | |
1936 | bt_self_component_filter *self_comp, | |
1937 | bt_self_component_port_output *self_port) | |
1938 | { | |
1939 | bt_self_message_iterator_status status = BT_SELF_MESSAGE_ITERATOR_STATUS_OK; | |
3b841d03 FD |
1940 | struct bt_self_component_port_input *input_port = NULL; |
1941 | bt_self_component_port_input_message_iterator *upstream_iterator = NULL; | |
1942 | struct debug_info_msg_iter *debug_info_msg_iter = NULL; | |
2638950d | 1943 | gchar *debug_info_field_name; |
8d7183bd | 1944 | int ret; |
58f6d595 FD |
1945 | |
1946 | /* Borrow the upstream input port. */ | |
1947 | input_port = bt_self_component_filter_borrow_input_port_by_name( | |
3b841d03 | 1948 | self_comp, "in"); |
58f6d595 FD |
1949 | if (!input_port) { |
1950 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR; | |
3b841d03 FD |
1951 | goto error; |
1952 | } | |
1953 | ||
1954 | debug_info_msg_iter = g_new0(struct debug_info_msg_iter, 1); | |
1955 | if (!debug_info_msg_iter) { | |
1956 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
1957 | goto error; | |
58f6d595 FD |
1958 | } |
1959 | ||
1960 | /* Create an iterator on the upstream component. */ | |
1961 | upstream_iterator = bt_self_component_port_input_message_iterator_create( | |
1962 | input_port); | |
1963 | if (!upstream_iterator) { | |
1964 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; | |
3b841d03 | 1965 | goto error; |
58f6d595 FD |
1966 | } |
1967 | ||
3b841d03 FD |
1968 | BT_SELF_COMPONENT_PORT_INPUT_MESSAGE_ITERATOR_MOVE_REF( |
1969 | debug_info_msg_iter->msg_iter, upstream_iterator); | |
58f6d595 | 1970 | |
3b841d03 | 1971 | /* Create hashtable that will contain debug info mapping. */ |
58f6d595 | 1972 | debug_info_msg_iter->debug_info_map = g_hash_table_new_full( |
3b841d03 FD |
1973 | g_direct_hash, g_direct_equal, (GDestroyNotify) NULL, |
1974 | (GDestroyNotify) debug_info_destroy); | |
58f6d595 | 1975 | if (!debug_info_msg_iter->debug_info_map) { |
58f6d595 | 1976 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; |
3b841d03 | 1977 | goto error; |
58f6d595 FD |
1978 | } |
1979 | ||
1980 | debug_info_msg_iter->self_comp = | |
1981 | bt_self_component_filter_as_self_component(self_comp); | |
1982 | ||
58f6d595 | 1983 | debug_info_msg_iter->debug_info_component = bt_self_component_get_data( |
3b841d03 FD |
1984 | bt_self_component_filter_as_self_component( |
1985 | self_comp)); | |
58f6d595 | 1986 | |
2638950d FD |
1987 | debug_info_field_name = |
1988 | debug_info_msg_iter->debug_info_component->arg_debug_info_field_name; | |
1989 | ||
58f6d595 | 1990 | debug_info_msg_iter->ir_maps = trace_ir_maps_create( |
3b841d03 FD |
1991 | bt_self_component_filter_as_self_component(self_comp), |
1992 | debug_info_field_name); | |
58f6d595 | 1993 | if (!debug_info_msg_iter->ir_maps) { |
58f6d595 | 1994 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; |
3b841d03 | 1995 | goto error; |
58f6d595 FD |
1996 | } |
1997 | ||
8d7183bd FD |
1998 | ret = bt_fd_cache_init(&debug_info_msg_iter->fd_cache); |
1999 | if (ret) { | |
8d7183bd | 2000 | status = BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM; |
3b841d03 | 2001 | goto error; |
8d7183bd FD |
2002 | } |
2003 | ||
58f6d595 | 2004 | bt_self_message_iterator_set_data(self_msg_iter, debug_info_msg_iter); |
58f6d595 FD |
2005 | debug_info_msg_iter->input_iterator = self_msg_iter; |
2006 | ||
3b841d03 FD |
2007 | goto end; |
2008 | ||
2009 | error: | |
2010 | debug_info_msg_iter_destroy(debug_info_msg_iter); | |
58f6d595 FD |
2011 | end: |
2012 | return status; | |
2013 | } | |
2014 | ||
2015 | BT_HIDDEN | |
2016 | bt_bool debug_info_msg_iter_can_seek_beginning( | |
2017 | bt_self_message_iterator *self_msg_iter) | |
2018 | { | |
2019 | struct debug_info_msg_iter *debug_info_msg_iter = | |
2020 | bt_self_message_iterator_get_data(self_msg_iter); | |
2021 | BT_ASSERT(debug_info_msg_iter); | |
2022 | ||
2023 | return bt_self_component_port_input_message_iterator_can_seek_beginning( | |
2024 | debug_info_msg_iter->msg_iter); | |
2025 | } | |
2026 | ||
2027 | BT_HIDDEN | |
2028 | bt_self_message_iterator_status debug_info_msg_iter_seek_beginning( | |
2029 | bt_self_message_iterator *self_msg_iter) | |
2030 | { | |
2031 | struct debug_info_msg_iter *debug_info_msg_iter = | |
2032 | bt_self_message_iterator_get_data(self_msg_iter); | |
2033 | bt_message_iterator_status status = BT_MESSAGE_ITERATOR_STATUS_OK; | |
2034 | ||
2035 | BT_ASSERT(debug_info_msg_iter); | |
2036 | ||
2037 | /* Ask the upstream component to seek to the beginning. */ | |
2038 | status = bt_self_component_port_input_message_iterator_seek_beginning( | |
2039 | debug_info_msg_iter->msg_iter); | |
2040 | if (status != BT_MESSAGE_ITERATOR_STATUS_OK) { | |
2041 | goto end; | |
2042 | } | |
2043 | ||
2044 | /* Clear this iterator data. */ | |
2045 | trace_ir_maps_clear(debug_info_msg_iter->ir_maps); | |
2046 | g_hash_table_remove_all(debug_info_msg_iter->debug_info_map); | |
2047 | end: | |
2048 | return bt_common_message_iterator_status_to_self(status); | |
2049 | } | |
2050 | ||
2051 | BT_HIDDEN | |
2052 | void debug_info_msg_iter_finalize(bt_self_message_iterator *it) | |
2053 | { | |
2054 | struct debug_info_msg_iter *debug_info_msg_iter; | |
2055 | ||
2056 | debug_info_msg_iter = bt_self_message_iterator_get_data(it); | |
2057 | BT_ASSERT(debug_info_msg_iter); | |
2058 | ||
3b841d03 | 2059 | debug_info_msg_iter_destroy(debug_info_msg_iter); |
58f6d595 | 2060 | } |