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58f6d595 FD |
1 | /* |
2 | * Babeltrace - Trace IR field copy | |
3 | * | |
4 | * Copyright (c) 2015-2019 EfficiOS Inc. and Linux Foundation | |
5 | * Copyright (c) 2018 Philippe Proulx <pproulx@efficios.com> | |
6 | * Copyright (c) 2019 Francis Deslauriers <francis.deslauriers@efficios.com> | |
7 | * | |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
14 | * | |
15 | * The above copyright notice and this permission notice shall be included in | |
16 | * all copies or substantial portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
24 | * SOFTWARE. | |
25 | */ | |
26 | ||
27 | #define BT_LOG_TAG "PLUGIN-LTTNG-UTILS-DEBUG-INFO-TRACE-IR-METADATA-FC-COPY" | |
28 | #include "logging.h" | |
29 | ||
30 | #include <babeltrace/assert-internal.h> | |
31 | #include <babeltrace/common-internal.h> | |
32 | #include <babeltrace/compiler-internal.h> | |
33 | #include <babeltrace/babeltrace.h> | |
34 | ||
35 | #include "trace-ir-metadata-copy.h" | |
36 | #include "trace-ir-metadata-field-class-copy.h" | |
37 | ||
38 | /* | |
39 | * This fonction walks througth the nested structures field class to resolve a | |
40 | * field path object. A field path is made of indexes inside possibly nested | |
41 | * structures ultimately leading to a field class. | |
42 | */ | |
43 | static | |
44 | const bt_field_class *walk_field_path(const bt_field_path *fp, | |
45 | const bt_field_class *fc) | |
46 | { | |
47 | uint64_t i, fp_index_count; | |
48 | const bt_field_class *curr_fc; | |
49 | ||
50 | BT_ASSERT(bt_field_class_get_type(fc) == BT_FIELD_CLASS_TYPE_STRUCTURE); | |
51 | BT_LOGD("Walking field path on field class: fp-addr=%p, fc-addr=%p", | |
52 | fp, fc); | |
53 | ||
54 | fp_index_count = bt_field_path_get_index_count(fp); | |
55 | curr_fc = fc; | |
56 | for (i = 0; i < fp_index_count; i++) { | |
58f6d595 FD |
57 | bt_field_class_type fc_type = bt_field_class_get_type(curr_fc); |
58 | uint64_t curr_index = bt_field_path_get_index_by_index(fp, i); | |
59 | ||
60 | switch (fc_type) { | |
61 | case BT_FIELD_CLASS_TYPE_STRUCTURE: | |
e24f271a PP |
62 | { |
63 | const bt_field_class_structure_member *member = | |
64 | bt_field_class_structure_borrow_member_by_index_const( | |
65 | curr_fc, curr_index); | |
66 | curr_fc = bt_field_class_structure_member_borrow_field_class_const( | |
67 | member); | |
58f6d595 | 68 | break; |
e24f271a | 69 | } |
58f6d595 | 70 | case BT_FIELD_CLASS_TYPE_VARIANT: |
e24f271a PP |
71 | { |
72 | const bt_field_class_variant_option *option = | |
73 | bt_field_class_variant_borrow_option_by_index_const( | |
74 | curr_fc, curr_index); | |
75 | curr_fc = bt_field_class_variant_option_borrow_field_class_const( | |
76 | option); | |
58f6d595 | 77 | break; |
e24f271a | 78 | } |
58f6d595 FD |
79 | default: |
80 | abort(); | |
81 | } | |
82 | } | |
83 | ||
84 | return curr_fc; | |
85 | } | |
86 | ||
87 | static | |
88 | const bt_field_class *resolve_field_path_to_field_class(const bt_field_path *fp, | |
89 | struct trace_ir_metadata_maps *md_maps) | |
90 | { | |
91 | struct field_class_resolving_context *fc_resolving_ctx; | |
92 | const bt_field_class *fc; | |
93 | bt_scope fp_scope; | |
94 | ||
95 | BT_LOGD("Resolving field path: fp-addr=%p", fp); | |
96 | ||
97 | fc_resolving_ctx = md_maps->fc_resolving_ctx; | |
98 | fp_scope = bt_field_path_get_root_scope(fp); | |
99 | ||
100 | switch (fp_scope) { | |
101 | case BT_SCOPE_PACKET_CONTEXT: | |
102 | fc = walk_field_path(fp, fc_resolving_ctx->packet_context); | |
103 | break; | |
104 | case BT_SCOPE_EVENT_COMMON_CONTEXT: | |
105 | fc = walk_field_path(fp, fc_resolving_ctx->event_common_context); | |
106 | break; | |
107 | case BT_SCOPE_EVENT_SPECIFIC_CONTEXT: | |
108 | fc = walk_field_path(fp, fc_resolving_ctx->event_specific_context); | |
109 | break; | |
110 | case BT_SCOPE_EVENT_PAYLOAD: | |
111 | fc = walk_field_path(fp, fc_resolving_ctx->event_payload); | |
112 | break; | |
113 | default: | |
114 | abort(); | |
115 | } | |
116 | ||
117 | return fc; | |
118 | } | |
119 | ||
120 | static inline | |
121 | void field_class_integer_set_props(const bt_field_class *input_fc, | |
122 | bt_field_class *output_fc) | |
123 | { | |
124 | bt_field_class_integer_set_preferred_display_base(output_fc, | |
125 | bt_field_class_integer_get_preferred_display_base(input_fc)); | |
126 | bt_field_class_integer_set_field_value_range(output_fc, | |
127 | bt_field_class_integer_get_field_value_range(input_fc)); | |
128 | } | |
129 | ||
130 | static inline | |
131 | int field_class_unsigned_integer_copy( | |
132 | struct trace_ir_metadata_maps *md_maps, | |
133 | const bt_field_class *in_field_class, | |
134 | bt_field_class *out_field_class) | |
135 | { | |
136 | BT_LOGD("Copying content of unsigned integer field class: " | |
137 | "in-fc-addr=%p, out-fc-addr=%p", | |
138 | in_field_class, out_field_class); | |
139 | ||
140 | field_class_integer_set_props(in_field_class, out_field_class); | |
141 | ||
142 | BT_LOGD("Copied content of unsigned integer field class: " | |
143 | "in-fc-addr=%p, out-fc-addr=%p", | |
144 | in_field_class, out_field_class); | |
145 | return 0; | |
146 | } | |
147 | ||
148 | static inline | |
149 | int field_class_signed_integer_copy( | |
150 | struct trace_ir_metadata_maps *md_maps, | |
151 | const bt_field_class *in_field_class, | |
152 | bt_field_class *out_field_class) | |
153 | { | |
154 | BT_LOGD("Copying content of signed integer field class: " | |
155 | "in-fc-addr=%p, out-fc-addr=%p", | |
156 | in_field_class, out_field_class); | |
157 | ||
158 | field_class_integer_set_props(in_field_class, out_field_class); | |
159 | ||
160 | BT_LOGD("Copied content of signed integer field class: " | |
161 | "in-fc-addr=%p, out-fc-addr=%p", | |
162 | in_field_class, out_field_class); | |
163 | return 0; | |
164 | } | |
165 | ||
166 | BT_HIDDEN | |
167 | int field_class_unsigned_enumeration_copy( | |
168 | struct trace_ir_metadata_maps *md_maps, | |
169 | const bt_field_class *in_field_class, | |
170 | bt_field_class *out_field_class) | |
171 | { | |
172 | uint64_t i, enum_mapping_count; | |
173 | int ret = 0; | |
174 | ||
175 | BT_LOGD("Copying content of unsigned enumeration field class: " | |
176 | "in-fc-addr=%p, out-fc-addr=%p", | |
177 | in_field_class, out_field_class); | |
178 | ||
179 | /* Copy properties of the inner integer. */ | |
180 | field_class_integer_set_props(in_field_class, out_field_class); | |
181 | ||
182 | /* Copy all enumeration entries. */ | |
183 | enum_mapping_count = bt_field_class_enumeration_get_mapping_count(in_field_class); | |
184 | for (i = 0; i < enum_mapping_count; i++) { | |
185 | const char *label; | |
186 | const bt_field_class_unsigned_enumeration_mapping_ranges *ranges; | |
187 | uint64_t range_index, range_count; | |
188 | ||
189 | /* Get the ranges and the range count. */ | |
190 | bt_field_class_unsigned_enumeration_borrow_mapping_by_index_const( | |
191 | in_field_class, i, &label, &ranges); | |
192 | range_count = | |
193 | bt_field_class_unsigned_enumeration_mapping_ranges_get_range_count( | |
194 | ranges); | |
195 | /* | |
196 | * Iterate over all the ranges to add them to copied field | |
197 | * class. | |
198 | */ | |
199 | for (range_index = 0; range_index < range_count; range_index++) { | |
200 | uint64_t lower, upper; | |
201 | bt_field_class_status status; | |
202 | bt_field_class_unsigned_enumeration_mapping_ranges_get_range_by_index( | |
203 | ranges, range_index, &lower, &upper); | |
204 | ||
205 | BT_LOGD("Copying range in enumeration field class: " | |
206 | "label=%s, lower=%"PRId64", upper=%"PRId64, | |
207 | label, lower, upper); | |
208 | ||
209 | /* Add the label and its range to the copy field class. */ | |
210 | status = bt_field_class_unsigned_enumeration_map_range( | |
211 | out_field_class, label, lower, upper); | |
212 | ||
213 | if (status != BT_FIELD_CLASS_STATUS_OK) { | |
214 | BT_LOGE_STR("Failed to add range to unsigned " | |
215 | "enumeration."); | |
216 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_field_class); | |
217 | ret = -1; | |
218 | goto error; | |
219 | } | |
220 | } | |
221 | } | |
222 | ||
223 | BT_LOGD("Copied content of unsigned enumeration field class: " | |
224 | "in-fc-addr=%p, out-fc-addr=%p", | |
225 | in_field_class, out_field_class); | |
226 | ||
227 | error: | |
228 | return ret; | |
229 | } | |
230 | ||
231 | static inline | |
232 | int field_class_signed_enumeration_copy( | |
233 | struct trace_ir_metadata_maps *md_maps, | |
234 | const bt_field_class *in_field_class, | |
235 | bt_field_class *out_field_class) | |
236 | { | |
237 | uint64_t i, enum_mapping_count; | |
238 | int ret = 0; | |
239 | ||
240 | BT_LOGD("Copying content of signed enumeration field class: " | |
241 | "in-fc-addr=%p, out-fc-addr=%p", | |
242 | in_field_class, out_field_class); | |
243 | ||
244 | /* Copy properties of the inner integer. */ | |
245 | field_class_integer_set_props(in_field_class, out_field_class); | |
246 | ||
247 | /* Copy all enumeration entries. */ | |
248 | enum_mapping_count = | |
249 | bt_field_class_enumeration_get_mapping_count(in_field_class); | |
250 | for (i = 0; i < enum_mapping_count; i++) { | |
251 | const char *label; | |
252 | const bt_field_class_signed_enumeration_mapping_ranges *ranges; | |
253 | uint64_t range_index, range_count; | |
254 | ||
255 | /* Get the ranges and the range count. */ | |
256 | bt_field_class_signed_enumeration_borrow_mapping_by_index_const( | |
257 | in_field_class, i, &label, &ranges); | |
258 | range_count = | |
259 | bt_field_class_signed_enumeration_mapping_ranges_get_range_count( | |
260 | ranges); | |
261 | /* | |
262 | * Iterate over all the ranges to add them to copied field | |
263 | * class. | |
264 | */ | |
265 | for (range_index = 0; range_index < range_count; range_index++) { | |
266 | int64_t lower, upper; | |
267 | bt_field_class_status status; | |
268 | bt_field_class_signed_enumeration_mapping_ranges_get_range_by_index( | |
269 | ranges, range_index, &lower, &upper); | |
270 | ||
271 | BT_LOGD("Copying range in enumeration field class: " | |
272 | "label=%s, lower=%ld, upper=%ld", | |
273 | label, lower, upper); | |
274 | ||
275 | /* Add the label and its range to the copy field class. */ | |
276 | status = bt_field_class_signed_enumeration_map_range( | |
277 | out_field_class, label, lower, upper); | |
278 | if (status != BT_FIELD_CLASS_STATUS_OK) { | |
279 | BT_LOGE_STR("Failed to add range to signed " | |
280 | "enumeration."); | |
281 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_field_class); | |
282 | ret = -1; | |
283 | goto error; | |
284 | } | |
285 | } | |
286 | } | |
287 | ||
288 | BT_LOGD("Copied content of signed enumeration field class: " | |
289 | "in-fc-addr=%p, out-fc-addr=%p", | |
290 | in_field_class, out_field_class); | |
291 | ||
292 | error: | |
293 | return ret; | |
294 | } | |
295 | ||
296 | static inline | |
297 | int field_class_real_copy( | |
298 | struct trace_ir_metadata_maps *md_maps, | |
299 | const bt_field_class *in_field_class, | |
300 | bt_field_class *out_field_class) | |
301 | { | |
302 | BT_LOGD("Copying content of real field class: " | |
303 | "in-fc-addr=%p, out-fc-addr=%p", | |
304 | in_field_class, out_field_class); | |
305 | ||
306 | bt_field_class_real_set_is_single_precision(out_field_class, | |
307 | bt_field_class_real_is_single_precision(in_field_class)); | |
308 | ||
309 | BT_LOGD("Copied content real field class: in-fc-addr=%p, " | |
310 | "out-fc-addr=%p", in_field_class, out_field_class); | |
311 | ||
312 | return 0; | |
313 | } | |
314 | ||
315 | static inline | |
316 | int field_class_structure_copy( | |
317 | struct trace_ir_metadata_maps *md_maps, | |
318 | const bt_field_class *in_field_class, | |
319 | bt_field_class *out_field_class) | |
320 | { | |
321 | uint64_t i, struct_member_count; | |
322 | bt_field_class_status status; | |
323 | int ret = 0; | |
324 | ||
325 | BT_LOGD("Copying content of structure field class: " | |
326 | "in-fc-addr=%p, out-fc-addr=%p", | |
327 | in_field_class, out_field_class); | |
328 | /* Get the number of member in that struct. */ | |
329 | struct_member_count = | |
330 | bt_field_class_structure_get_member_count(in_field_class); | |
331 | ||
332 | /* Iterate over all the members of the struct. */ | |
333 | for (i = 0; i < struct_member_count; i++) { | |
e24f271a | 334 | const bt_field_class_structure_member *member; |
58f6d595 FD |
335 | const char *member_name; |
336 | const bt_field_class *member_fc; | |
337 | bt_field_class *out_member_field_class; | |
338 | ||
e24f271a PP |
339 | member = bt_field_class_structure_borrow_member_by_index_const( |
340 | in_field_class, i); | |
341 | member_fc = bt_field_class_structure_member_borrow_field_class_const( | |
342 | member); | |
343 | member_name = bt_field_class_structure_member_get_name(member); | |
58f6d595 FD |
344 | BT_LOGD("Copying structure field class's field: " |
345 | "index=%" PRId64 ", " | |
346 | "member-fc-addr=%p, field-name=\"%s\"", | |
347 | i, member_fc, member_name); | |
348 | ||
349 | out_member_field_class = create_field_class_copy(md_maps, | |
350 | member_fc); | |
351 | if (!out_member_field_class) { | |
352 | BT_LOGE("Cannot copy structure field class's field: " | |
353 | "index=%" PRId64 ", " | |
354 | "field-fc-addr=%p, field-name=\"%s\"", | |
355 | i, member_fc, member_name); | |
356 | ret = -1; | |
357 | goto error; | |
358 | } | |
359 | ret = copy_field_class_content(md_maps, member_fc, | |
360 | out_member_field_class); | |
361 | if (ret) { | |
362 | goto error; | |
363 | } | |
364 | ||
365 | status = bt_field_class_structure_append_member(out_field_class, | |
366 | member_name, out_member_field_class); | |
367 | if (status != BT_FIELD_CLASS_STATUS_OK) { | |
368 | BT_LOGE("Cannot append structure field class's field: " | |
369 | "index=%" PRId64 ", " | |
370 | "field-fc-addr=%p, field-name=\"%s\"", | |
371 | i, member_fc, member_name); | |
372 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_member_field_class); | |
373 | ret = -1; | |
374 | goto error; | |
375 | } | |
376 | } | |
377 | ||
378 | BT_LOGD("Copied structure field class: original-fc-addr=%p, copy-fc-addr=%p", | |
379 | in_field_class, out_field_class); | |
380 | ||
381 | error: | |
382 | return ret; | |
383 | } | |
384 | ||
385 | static inline | |
386 | int field_class_variant_copy( | |
387 | struct trace_ir_metadata_maps *md_maps, | |
388 | const bt_field_class *in_field_class, | |
389 | bt_field_class *out_field_class) | |
390 | { | |
391 | bt_field_class *out_tag_field_class; | |
392 | uint64_t i, variant_option_count; | |
393 | const bt_field_path *tag_fp; | |
394 | const bt_field_class *tag_fc; | |
395 | int ret = 0; | |
396 | ||
397 | BT_LOGD("Copying content of variant field class: " | |
398 | "in-fc-addr=%p, out-fc-addr=%p", | |
399 | in_field_class, out_field_class); | |
400 | ||
401 | tag_fp = bt_field_class_variant_borrow_selector_field_path_const( | |
402 | in_field_class); | |
403 | if (tag_fp) { | |
404 | tag_fc = resolve_field_path_to_field_class(tag_fp, | |
405 | md_maps); | |
406 | ||
407 | out_tag_field_class = g_hash_table_lookup( | |
408 | md_maps->field_class_map, tag_fc); | |
409 | if (!out_tag_field_class) { | |
410 | BT_LOGE_STR("Cannot find the tag field class."); | |
411 | ret = -1; | |
412 | goto error; | |
413 | } | |
414 | bt_field_class_variant_set_selector_field_class(out_field_class, | |
415 | out_tag_field_class); | |
416 | } | |
417 | ||
418 | variant_option_count = | |
419 | bt_field_class_variant_get_option_count(in_field_class); | |
420 | for (i = 0; i < variant_option_count; i++) { | |
e24f271a | 421 | const bt_field_class *option_fc; |
58f6d595 FD |
422 | const char *option_name; |
423 | bt_field_class *out_option_field_class; | |
424 | bt_field_class_status status; | |
e24f271a | 425 | const bt_field_class_variant_option *option; |
58f6d595 | 426 | |
e24f271a PP |
427 | option = bt_field_class_variant_borrow_option_by_index_const( |
428 | in_field_class, i); | |
429 | option_fc = bt_field_class_variant_option_borrow_field_class_const( | |
430 | option); | |
431 | option_name = bt_field_class_variant_option_get_name(option); | |
58f6d595 | 432 | out_option_field_class = create_field_class_copy_internal( |
e24f271a | 433 | md_maps, option_fc); |
58f6d595 FD |
434 | if (!out_option_field_class) { |
435 | BT_LOGE_STR("Cannot copy field class."); | |
436 | ret = -1; | |
437 | goto error; | |
438 | } | |
e24f271a | 439 | ret = copy_field_class_content_internal(md_maps, option_fc, |
58f6d595 FD |
440 | out_option_field_class); |
441 | if (ret) { | |
442 | BT_LOGE_STR("Error copying content of option variant " | |
443 | "field class'"); | |
444 | goto error; | |
445 | } | |
446 | ||
447 | status = bt_field_class_variant_append_option( | |
448 | out_field_class, option_name, | |
449 | out_option_field_class); | |
450 | if (status != BT_FIELD_CLASS_STATUS_OK) { | |
451 | BT_LOGE_STR("Cannot append option to variant field class'"); | |
452 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_tag_field_class); | |
453 | ret = -1; | |
454 | goto error; | |
455 | } | |
456 | } | |
457 | ||
458 | BT_LOGD("Copied content of variant field class: in-fc-addr=%p, " | |
459 | "out-fc-addr=%p", in_field_class, out_field_class); | |
460 | ||
461 | error: | |
462 | return ret; | |
463 | } | |
464 | ||
465 | static inline | |
466 | int field_class_static_array_copy( | |
467 | struct trace_ir_metadata_maps *md_maps, | |
468 | const bt_field_class *in_field_class, | |
469 | bt_field_class *out_field_class) | |
470 | { | |
471 | BT_LOGD("Copying content of static array field class: in-fc-addr=%p, " | |
472 | "out-fc-addr=%p", in_field_class, out_field_class); | |
473 | /* | |
474 | * There is no content to copy. Keep this function call anyway for | |
475 | * logging purposes. | |
476 | */ | |
477 | BT_LOGD("Copied content of static array field class: in-fc-addr=%p, " | |
478 | "out-fc-addr=%p", in_field_class, out_field_class); | |
479 | ||
480 | return 0; | |
481 | } | |
482 | ||
483 | static inline | |
484 | int field_class_dynamic_array_copy( | |
485 | struct trace_ir_metadata_maps *md_maps, | |
486 | const bt_field_class *in_field_class, | |
487 | bt_field_class *out_field_class) | |
488 | { | |
c5ec1c0b | 489 | const bt_field_class *len_fc; |
58f6d595 FD |
490 | const bt_field_path *len_fp; |
491 | bt_field_class_status status; | |
492 | bt_field_class *out_len_field_class; | |
493 | int ret = 0; | |
494 | ||
495 | BT_LOGD("Copying content of dynamic array field class: " | |
496 | "in-fc-addr=%p, out-fc-addr=%p", | |
497 | in_field_class, out_field_class); | |
498 | ||
58f6d595 FD |
499 | len_fp = bt_field_class_dynamic_array_borrow_length_field_path_const( |
500 | in_field_class); | |
501 | ||
502 | if (len_fp) { | |
503 | BT_LOGD("Copying dynamic array length field class using " | |
504 | "field path: in-len-fp=%p", len_fp); | |
505 | len_fc = resolve_field_path_to_field_class( | |
506 | len_fp, md_maps); | |
507 | out_len_field_class = g_hash_table_lookup( | |
508 | md_maps->field_class_map, len_fc); | |
509 | if (!out_len_field_class) { | |
510 | BT_LOGE_STR("Cannot find the output matching length" | |
511 | "field class."); | |
512 | ret = -1; | |
513 | goto error; | |
514 | } | |
515 | ||
516 | status = bt_field_class_dynamic_array_set_length_field_class( | |
517 | out_field_class, out_len_field_class); | |
518 | if (status != BT_FIELD_CLASS_STATUS_OK) { | |
519 | BT_LOGE_STR("Cannot set dynamic array field class' " | |
520 | "length field class."); | |
521 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_len_field_class); | |
522 | ret = -1; | |
523 | goto error; | |
524 | } | |
525 | } | |
526 | ||
527 | BT_LOGD("Copied dynamic array field class: in-fc-addr=%p, " | |
528 | "out-fc-addr=%p", in_field_class, out_field_class); | |
529 | ||
530 | error: | |
531 | return ret; | |
532 | } | |
533 | ||
534 | static inline | |
535 | int field_class_string_copy(struct trace_ir_metadata_maps *md_maps, | |
536 | const bt_field_class *in_field_class, | |
537 | bt_field_class *out_field_class) | |
538 | { | |
539 | BT_LOGD("Copying content of string field class: in-fc-addr=%p, " | |
540 | "out-fc-addr=%p", in_field_class, out_field_class); | |
541 | /* | |
542 | * There is no content to copy. Keep this function call anyway for | |
543 | * logging purposes. | |
544 | */ | |
545 | BT_LOGD("Copied content of string field class: in-fc-addr=%p, " | |
546 | "out-fc-addr=%p", in_field_class, out_field_class); | |
547 | ||
548 | return 0; | |
549 | } | |
550 | ||
551 | static | |
552 | bt_field_class *copy_field_class_array_element(struct trace_ir_metadata_maps *md_maps, | |
553 | const bt_field_class *in_elem_fc) | |
554 | { | |
555 | int ret; | |
556 | bt_field_class *out_elem_fc = | |
557 | create_field_class_copy_internal(md_maps, in_elem_fc); | |
558 | if (!out_elem_fc) { | |
559 | BT_LOGE("Error creating output elem field class " | |
560 | "from input elem field class for static array: " | |
561 | "in-fc-addr=%p", in_elem_fc); | |
562 | goto error; | |
563 | } | |
564 | ||
565 | ret = copy_field_class_content_internal(md_maps, in_elem_fc, out_elem_fc); | |
566 | if (ret) { | |
567 | BT_LOGE("Error creating output elem field class " | |
568 | "from input elem field class for static array: " | |
569 | "in-fc-addr=%p", in_elem_fc); | |
570 | BT_FIELD_CLASS_PUT_REF_AND_RESET(out_elem_fc); | |
571 | goto error; | |
572 | } | |
573 | ||
574 | error: | |
575 | return out_elem_fc; | |
576 | } | |
577 | ||
578 | BT_HIDDEN | |
579 | bt_field_class *create_field_class_copy_internal(struct trace_ir_metadata_maps *md_maps, | |
580 | const bt_field_class *in_field_class) | |
581 | { | |
582 | bt_field_class *out_field_class = NULL; | |
583 | ||
584 | BT_LOGD("Creating bare field class based on field class: in-fc-addr=%p", | |
585 | in_field_class); | |
586 | ||
587 | switch(bt_field_class_get_type(in_field_class)) { | |
588 | case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER: | |
589 | out_field_class = bt_field_class_unsigned_integer_create( | |
590 | md_maps->output_trace_class); | |
591 | break; | |
592 | case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER: | |
593 | out_field_class = bt_field_class_signed_integer_create( | |
594 | md_maps->output_trace_class); | |
595 | break; | |
596 | case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION: | |
597 | out_field_class = bt_field_class_unsigned_enumeration_create( | |
598 | md_maps->output_trace_class); | |
599 | break; | |
600 | case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION: | |
601 | out_field_class = bt_field_class_signed_enumeration_create( | |
602 | md_maps->output_trace_class); | |
603 | break; | |
604 | case BT_FIELD_CLASS_TYPE_REAL: | |
605 | out_field_class = bt_field_class_real_create( | |
606 | md_maps->output_trace_class); | |
607 | break; | |
608 | case BT_FIELD_CLASS_TYPE_STRING: | |
609 | out_field_class = bt_field_class_string_create( | |
610 | md_maps->output_trace_class); | |
611 | break; | |
612 | case BT_FIELD_CLASS_TYPE_STRUCTURE: | |
613 | out_field_class = bt_field_class_structure_create( | |
614 | md_maps->output_trace_class); | |
615 | break; | |
616 | case BT_FIELD_CLASS_TYPE_STATIC_ARRAY: | |
617 | { | |
618 | const bt_field_class *in_elem_fc = | |
619 | bt_field_class_array_borrow_element_field_class_const( | |
620 | in_field_class); | |
621 | uint64_t array_len = | |
622 | bt_field_class_static_array_get_length(in_field_class); | |
623 | ||
624 | bt_field_class *out_elem_fc = copy_field_class_array_element( | |
625 | md_maps, in_elem_fc); | |
626 | if (!out_elem_fc) { | |
627 | out_field_class = NULL; | |
628 | goto error; | |
629 | } | |
630 | ||
631 | out_field_class = bt_field_class_static_array_create( | |
632 | md_maps->output_trace_class, | |
633 | out_elem_fc, array_len); | |
634 | break; | |
635 | } | |
636 | case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY: | |
637 | { | |
638 | const bt_field_class *in_elem_fc = | |
639 | bt_field_class_array_borrow_element_field_class_const( | |
640 | in_field_class); | |
641 | ||
642 | bt_field_class *out_elem_fc = copy_field_class_array_element( | |
643 | md_maps, in_elem_fc); | |
644 | if (!out_elem_fc) { | |
645 | out_field_class = NULL; | |
646 | goto error; | |
647 | } | |
648 | ||
649 | out_field_class = bt_field_class_dynamic_array_create( | |
650 | md_maps->output_trace_class, | |
651 | out_elem_fc); | |
652 | break; | |
653 | } | |
654 | case BT_FIELD_CLASS_TYPE_VARIANT: | |
655 | out_field_class = bt_field_class_variant_create( | |
656 | md_maps->output_trace_class); | |
657 | break; | |
658 | default: | |
659 | abort(); | |
660 | } | |
661 | ||
662 | /* | |
663 | * Add mapping from in_field_class to out_field_class. This simplifies | |
664 | * the resolution of field paths in variant and dynamic array field | |
665 | * classes. | |
666 | */ | |
667 | g_hash_table_insert(md_maps->field_class_map, | |
668 | (gpointer) in_field_class, out_field_class); | |
669 | ||
670 | error: | |
671 | if(out_field_class){ | |
672 | BT_LOGD("Created bare field class based on field class: in-fc-addr=%p, " | |
673 | "out-fc-addr=%p", in_field_class, out_field_class); | |
674 | } else { | |
675 | BT_LOGE("Error creating output field class from input field " | |
676 | "class: in-fc-addr=%p", in_field_class); | |
677 | } | |
678 | ||
679 | return out_field_class; | |
680 | } | |
681 | ||
682 | BT_HIDDEN | |
683 | int copy_field_class_content_internal( | |
684 | struct trace_ir_metadata_maps *md_maps, | |
685 | const bt_field_class *in_field_class, | |
686 | bt_field_class *out_field_class) | |
687 | { | |
688 | int ret = 0; | |
689 | switch(bt_field_class_get_type(in_field_class)) { | |
690 | case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER: | |
691 | ret = field_class_unsigned_integer_copy(md_maps, | |
692 | in_field_class, out_field_class); | |
693 | break; | |
694 | case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER: | |
695 | ret = field_class_signed_integer_copy(md_maps, | |
696 | in_field_class, out_field_class); | |
697 | break; | |
698 | case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION: | |
699 | ret = field_class_unsigned_enumeration_copy(md_maps, | |
700 | in_field_class, out_field_class); | |
701 | break; | |
702 | case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION: | |
703 | ret = field_class_signed_enumeration_copy(md_maps, | |
704 | in_field_class, out_field_class); | |
705 | break; | |
706 | case BT_FIELD_CLASS_TYPE_REAL: | |
707 | ret = field_class_real_copy(md_maps, | |
708 | in_field_class, out_field_class); | |
709 | break; | |
710 | case BT_FIELD_CLASS_TYPE_STRING: | |
711 | ret = field_class_string_copy(md_maps, | |
712 | in_field_class, out_field_class); | |
713 | break; | |
714 | case BT_FIELD_CLASS_TYPE_STRUCTURE: | |
715 | ret = field_class_structure_copy(md_maps, | |
716 | in_field_class, out_field_class); | |
717 | break; | |
718 | case BT_FIELD_CLASS_TYPE_STATIC_ARRAY: | |
719 | ret = field_class_static_array_copy(md_maps, | |
720 | in_field_class, out_field_class); | |
721 | break; | |
722 | case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY: | |
723 | ret = field_class_dynamic_array_copy(md_maps, | |
724 | in_field_class, out_field_class); | |
725 | break; | |
726 | case BT_FIELD_CLASS_TYPE_VARIANT: | |
727 | ret = field_class_variant_copy(md_maps, | |
728 | in_field_class, out_field_class); | |
729 | break; | |
730 | default: | |
731 | abort(); | |
732 | } | |
733 | ||
734 | return ret; | |
735 | } |