2 * Babeltrace - Trace IR field copy
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>
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:
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
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
27 #define BT_COMP_LOG_SELF_COMP (md_maps->self_comp)
28 #define BT_LOG_OUTPUT_LEVEL (md_maps->log_level)
29 #define BT_LOG_TAG "PLUGIN/FLT.LTTNG-UTILS.DEBUG-INFO/TRACE-IR-META-FC-COPY"
30 #include "logging/comp-logging.h"
32 #include "common/assert.h"
33 #include "common/common.h"
34 #include "compat/compiler.h"
35 #include <babeltrace2/babeltrace.h>
37 #include "trace-ir-metadata-copy.h"
38 #include "trace-ir-metadata-field-class-copy.h"
41 * This fonction walks througth the nested structures field class to resolve a
42 * field path object. A field path is made of indexes inside possibly nested
43 * structures ultimately leading to a field class.
46 const bt_field_class
*walk_field_path(struct trace_ir_metadata_maps
*md_maps
,
47 const bt_field_path
*fp
, const bt_field_class
*fc
)
49 uint64_t i
, fp_item_count
;
50 const bt_field_class
*curr_fc
;
52 BT_ASSERT(bt_field_class_get_type(fc
) == BT_FIELD_CLASS_TYPE_STRUCTURE
);
53 BT_COMP_LOGD("Walking field path on field class: fp-addr=%p, fc-addr=%p",
56 fp_item_count
= bt_field_path_get_item_count(fp
);
58 for (i
= 0; i
< fp_item_count
; i
++) {
59 bt_field_class_type fc_type
= bt_field_class_get_type(curr_fc
);
60 const bt_field_path_item
*fp_item
=
61 bt_field_path_borrow_item_by_index_const(fp
, i
);
64 case BT_FIELD_CLASS_TYPE_STRUCTURE
:
66 const bt_field_class_structure_member
*member
;
68 BT_ASSERT(bt_field_path_item_get_type(fp_item
) ==
69 BT_FIELD_PATH_ITEM_TYPE_INDEX
);
70 member
= bt_field_class_structure_borrow_member_by_index_const(
72 bt_field_path_item_index_get_index(fp_item
));
73 curr_fc
= bt_field_class_structure_member_borrow_field_class_const(
77 case BT_FIELD_CLASS_TYPE_OPTION
:
79 BT_ASSERT(bt_field_path_item_get_type(fp_item
) ==
80 BT_FIELD_PATH_ITEM_TYPE_CURRENT_OPTION_CONTENT
);
81 curr_fc
= bt_field_class_option_borrow_field_class_const(
85 case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR
:
86 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR
:
87 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR
:
89 const bt_field_class_variant_option
*option
;
91 BT_ASSERT(bt_field_path_item_get_type(fp_item
) ==
92 BT_FIELD_PATH_ITEM_TYPE_INDEX
);
93 option
= bt_field_class_variant_borrow_option_by_index_const(
95 bt_field_path_item_index_get_index(fp_item
));
96 curr_fc
= bt_field_class_variant_option_borrow_field_class_const(
100 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY
:
101 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY
:
103 BT_ASSERT(bt_field_path_item_get_type(fp_item
) ==
104 BT_FIELD_PATH_ITEM_TYPE_CURRENT_ARRAY_ELEMENT
);
105 curr_fc
= bt_field_class_array_borrow_element_field_class_const(
118 const bt_field_class
*resolve_field_path_to_field_class(const bt_field_path
*fp
,
119 struct trace_ir_metadata_maps
*md_maps
)
121 struct field_class_resolving_context
*fc_resolving_ctx
;
122 const bt_field_class
*fc
;
123 bt_field_path_scope fp_scope
;
125 BT_COMP_LOGD("Resolving field path: fp-addr=%p", fp
);
127 fc_resolving_ctx
= md_maps
->fc_resolving_ctx
;
128 fp_scope
= bt_field_path_get_root_scope(fp
);
131 case BT_FIELD_PATH_SCOPE_PACKET_CONTEXT
:
132 fc
= walk_field_path(md_maps
, fp
,
133 fc_resolving_ctx
->packet_context
);
135 case BT_FIELD_PATH_SCOPE_EVENT_COMMON_CONTEXT
:
136 fc
= walk_field_path(md_maps
, fp
,
137 fc_resolving_ctx
->event_common_context
);
139 case BT_FIELD_PATH_SCOPE_EVENT_SPECIFIC_CONTEXT
:
140 fc
= walk_field_path(md_maps
, fp
,
141 fc_resolving_ctx
->event_specific_context
);
143 case BT_FIELD_PATH_SCOPE_EVENT_PAYLOAD
:
144 fc
= walk_field_path(md_maps
, fp
,
145 fc_resolving_ctx
->event_payload
);
155 void field_class_integer_set_props(const bt_field_class
*input_fc
,
156 bt_field_class
*output_fc
)
158 bt_field_class_integer_set_preferred_display_base(output_fc
,
159 bt_field_class_integer_get_preferred_display_base(input_fc
));
160 bt_field_class_integer_set_field_value_range(output_fc
,
161 bt_field_class_integer_get_field_value_range(input_fc
));
165 int field_class_bool_copy(
166 struct trace_ir_metadata_maps
*md_maps
,
167 const bt_field_class
*in_field_class
,
168 bt_field_class
*out_field_class
)
170 BT_COMP_LOGD("Copying content of boolean field class: "
171 "in-fc-addr=%p, out-fc-addr=%p",
172 in_field_class
, out_field_class
);
173 BT_COMP_LOGD("Copied content of boolean field class: "
174 "in-fc-addr=%p, out-fc-addr=%p",
175 in_field_class
, out_field_class
);
180 int field_class_bit_array_copy(
181 struct trace_ir_metadata_maps
*md_maps
,
182 const bt_field_class
*in_field_class
,
183 bt_field_class
*out_field_class
)
185 BT_COMP_LOGD("Copying content of bit array field class: "
186 "in-fc-addr=%p, out-fc-addr=%p",
187 in_field_class
, out_field_class
);
188 BT_COMP_LOGD("Copied content of bit array field class: "
189 "in-fc-addr=%p, out-fc-addr=%p",
190 in_field_class
, out_field_class
);
195 int field_class_unsigned_integer_copy(
196 struct trace_ir_metadata_maps
*md_maps
,
197 const bt_field_class
*in_field_class
,
198 bt_field_class
*out_field_class
)
200 BT_COMP_LOGD("Copying content of unsigned integer field class: "
201 "in-fc-addr=%p, out-fc-addr=%p",
202 in_field_class
, out_field_class
);
204 field_class_integer_set_props(in_field_class
, out_field_class
);
206 BT_COMP_LOGD("Copied content of unsigned integer field class: "
207 "in-fc-addr=%p, out-fc-addr=%p",
208 in_field_class
, out_field_class
);
213 int field_class_signed_integer_copy(
214 struct trace_ir_metadata_maps
*md_maps
,
215 const bt_field_class
*in_field_class
,
216 bt_field_class
*out_field_class
)
218 BT_COMP_LOGD("Copying content of signed integer field class: "
219 "in-fc-addr=%p, out-fc-addr=%p",
220 in_field_class
, out_field_class
);
222 field_class_integer_set_props(in_field_class
, out_field_class
);
224 BT_COMP_LOGD("Copied content of signed integer field class: "
225 "in-fc-addr=%p, out-fc-addr=%p",
226 in_field_class
, out_field_class
);
231 int field_class_unsigned_enumeration_copy(
232 struct trace_ir_metadata_maps
*md_maps
,
233 const bt_field_class
*in_field_class
,
234 bt_field_class
*out_field_class
)
236 uint64_t i
, enum_mapping_count
;
239 BT_COMP_LOGD("Copying content of unsigned enumeration field class: "
240 "in-fc-addr=%p, out-fc-addr=%p",
241 in_field_class
, out_field_class
);
243 /* Copy properties of the inner integer. */
244 field_class_integer_set_props(in_field_class
, out_field_class
);
246 /* Copy all enumeration entries. */
247 enum_mapping_count
= bt_field_class_enumeration_get_mapping_count(in_field_class
);
248 for (i
= 0; i
< enum_mapping_count
; i
++) {
250 const bt_integer_range_set_unsigned
*range_set
;
251 const bt_field_class_enumeration_unsigned_mapping
*u_mapping
;
252 const bt_field_class_enumeration_mapping
*mapping
;
254 u_mapping
= bt_field_class_enumeration_unsigned_borrow_mapping_by_index_const(
256 mapping
= bt_field_class_enumeration_unsigned_mapping_as_mapping_const(
258 label
= bt_field_class_enumeration_mapping_get_label(mapping
);
259 range_set
= bt_field_class_enumeration_unsigned_mapping_borrow_ranges_const(
261 ret
= bt_field_class_enumeration_unsigned_add_mapping(
262 out_field_class
, label
, range_set
);
268 BT_COMP_LOGD("Copied content of unsigned enumeration field class: "
269 "in-fc-addr=%p, out-fc-addr=%p",
270 in_field_class
, out_field_class
);
277 int field_class_signed_enumeration_copy(
278 struct trace_ir_metadata_maps
*md_maps
,
279 const bt_field_class
*in_field_class
,
280 bt_field_class
*out_field_class
)
282 uint64_t i
, enum_mapping_count
;
285 BT_COMP_LOGD("Copying content of signed enumeration field class: "
286 "in-fc-addr=%p, out-fc-addr=%p",
287 in_field_class
, out_field_class
);
289 /* Copy properties of the inner integer. */
290 field_class_integer_set_props(in_field_class
, out_field_class
);
292 /* Copy all enumeration entries. */
294 bt_field_class_enumeration_get_mapping_count(in_field_class
);
295 for (i
= 0; i
< enum_mapping_count
; i
++) {
297 const bt_integer_range_set_signed
*range_set
;
298 const bt_field_class_enumeration_signed_mapping
*s_mapping
;
299 const bt_field_class_enumeration_mapping
*mapping
;
301 s_mapping
= bt_field_class_enumeration_signed_borrow_mapping_by_index_const(
303 mapping
= bt_field_class_enumeration_signed_mapping_as_mapping_const(
305 label
= bt_field_class_enumeration_mapping_get_label(mapping
);
306 range_set
= bt_field_class_enumeration_signed_mapping_borrow_ranges_const(
308 ret
= bt_field_class_enumeration_signed_add_mapping(
309 out_field_class
, label
, range_set
);
315 BT_COMP_LOGD("Copied content of signed enumeration field class: "
316 "in-fc-addr=%p, out-fc-addr=%p",
317 in_field_class
, out_field_class
);
324 int field_class_real_copy(
325 struct trace_ir_metadata_maps
*md_maps
,
326 const bt_field_class
*in_field_class
,
327 bt_field_class
*out_field_class
)
329 BT_COMP_LOGD("Copying content of real field class: "
330 "in-fc-addr=%p, out-fc-addr=%p",
331 in_field_class
, out_field_class
);
333 bt_field_class_real_set_is_single_precision(out_field_class
,
334 bt_field_class_real_is_single_precision(in_field_class
));
336 BT_COMP_LOGD("Copied content real field class: in-fc-addr=%p, "
337 "out-fc-addr=%p", in_field_class
, out_field_class
);
343 int field_class_structure_copy(
344 struct trace_ir_metadata_maps
*md_maps
,
345 const bt_field_class
*in_field_class
,
346 bt_field_class
*out_field_class
)
348 uint64_t i
, struct_member_count
;
351 BT_COMP_LOGD("Copying content of structure field class: "
352 "in-fc-addr=%p, out-fc-addr=%p",
353 in_field_class
, out_field_class
);
354 /* Get the number of member in that struct. */
355 struct_member_count
=
356 bt_field_class_structure_get_member_count(in_field_class
);
358 /* Iterate over all the members of the struct. */
359 for (i
= 0; i
< struct_member_count
; i
++) {
360 const bt_field_class_structure_member
*member
;
361 const char *member_name
;
362 const bt_field_class
*member_fc
;
363 bt_field_class
*out_member_field_class
;
365 member
= bt_field_class_structure_borrow_member_by_index_const(
367 member_fc
= bt_field_class_structure_member_borrow_field_class_const(
369 member_name
= bt_field_class_structure_member_get_name(member
);
370 BT_COMP_LOGD("Copying structure field class's field: "
371 "index=%" PRId64
", "
372 "member-fc-addr=%p, field-name=\"%s\"",
373 i
, member_fc
, member_name
);
375 out_member_field_class
= create_field_class_copy(md_maps
,
377 if (!out_member_field_class
) {
378 BT_COMP_LOGE("Cannot copy structure field class's field: "
379 "index=%" PRId64
", "
380 "field-fc-addr=%p, field-name=\"%s\"",
381 i
, member_fc
, member_name
);
385 ret
= copy_field_class_content(md_maps
, member_fc
,
386 out_member_field_class
);
391 if (bt_field_class_structure_append_member(out_field_class
,
392 member_name
, out_member_field_class
) !=
393 BT_FIELD_CLASS_STRUCTURE_APPEND_MEMBER_STATUS_OK
) {
394 BT_COMP_LOGE("Cannot append structure field class's field: "
395 "index=%" PRId64
", "
396 "field-fc-addr=%p, field-name=\"%s\"",
397 i
, member_fc
, member_name
);
398 BT_FIELD_CLASS_PUT_REF_AND_RESET(out_member_field_class
);
404 BT_COMP_LOGD("Copied structure field class: original-fc-addr=%p, copy-fc-addr=%p",
405 in_field_class
, out_field_class
);
412 int field_class_variant_copy(
413 struct trace_ir_metadata_maps
*md_maps
,
414 const bt_field_class
*in_field_class
,
415 bt_field_class
*out_field_class
)
417 bt_field_class
*out_tag_field_class
= NULL
;
418 uint64_t i
, variant_option_count
;
419 bt_field_class_type fc_type
= bt_field_class_get_type(in_field_class
);
422 BT_COMP_LOGD("Copying content of variant field class: "
423 "in-fc-addr=%p, out-fc-addr=%p",
424 in_field_class
, out_field_class
);
425 variant_option_count
=
426 bt_field_class_variant_get_option_count(in_field_class
);
427 for (i
= 0; i
< variant_option_count
; i
++) {
428 const bt_field_class
*option_fc
;
429 const char *option_name
;
430 bt_field_class
*out_option_field_class
;
431 const bt_field_class_variant_option
*option
;
433 option
= bt_field_class_variant_borrow_option_by_index_const(
435 option_fc
= bt_field_class_variant_option_borrow_field_class_const(
437 option_name
= bt_field_class_variant_option_get_name(option
);
438 out_option_field_class
= create_field_class_copy_internal(
440 if (!out_option_field_class
) {
441 BT_COMP_LOGE_STR("Cannot copy field class.");
445 ret
= copy_field_class_content_internal(md_maps
, option_fc
,
446 out_option_field_class
);
448 BT_COMP_LOGE_STR("Error copying content of option variant "
453 if (fc_type
== BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR
) {
454 const bt_field_class_variant_with_selector_unsigned_option
*spec_opt
=
455 bt_field_class_variant_with_selector_unsigned_borrow_option_by_index_const(
457 const bt_integer_range_set_unsigned
*ranges
=
458 bt_field_class_variant_with_selector_unsigned_option_borrow_ranges_const(
461 if (bt_field_class_variant_with_selector_unsigned_append_option(
462 out_field_class
, option_name
,
463 out_option_field_class
, ranges
) !=
464 BT_FIELD_CLASS_VARIANT_WITH_SELECTOR_APPEND_OPTION_STATUS_OK
) {
465 BT_COMP_LOGE_STR("Cannot append option to variant field class with unsigned selector'");
466 BT_FIELD_CLASS_PUT_REF_AND_RESET(out_tag_field_class
);
470 } else if (fc_type
== BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR
) {
471 const bt_field_class_variant_with_selector_signed_option
*spec_opt
=
472 bt_field_class_variant_with_selector_signed_borrow_option_by_index_const(
474 const bt_integer_range_set_signed
*ranges
=
475 bt_field_class_variant_with_selector_signed_option_borrow_ranges_const(
478 if (bt_field_class_variant_with_selector_signed_append_option(
479 out_field_class
, option_name
,
480 out_option_field_class
, ranges
) !=
481 BT_FIELD_CLASS_VARIANT_WITH_SELECTOR_APPEND_OPTION_STATUS_OK
) {
482 BT_COMP_LOGE_STR("Cannot append option to variant field class with signed selector'");
483 BT_FIELD_CLASS_PUT_REF_AND_RESET(out_tag_field_class
);
488 BT_ASSERT(fc_type
== BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR
);
490 if (bt_field_class_variant_without_selector_append_option(
491 out_field_class
, option_name
,
492 out_option_field_class
) !=
493 BT_FIELD_CLASS_VARIANT_WITHOUT_SELECTOR_APPEND_OPTION_STATUS_OK
) {
494 BT_COMP_LOGE_STR("Cannot append option to variant field class'");
495 BT_FIELD_CLASS_PUT_REF_AND_RESET(out_tag_field_class
);
502 BT_COMP_LOGD("Copied content of variant field class: in-fc-addr=%p, "
503 "out-fc-addr=%p", in_field_class
, out_field_class
);
510 int field_class_static_array_copy(
511 struct trace_ir_metadata_maps
*md_maps
,
512 const bt_field_class
*in_field_class
,
513 bt_field_class
*out_field_class
)
515 BT_COMP_LOGD("Copying content of static array field class: in-fc-addr=%p, "
516 "out-fc-addr=%p", in_field_class
, out_field_class
);
518 * There is no content to copy. Keep this function call anyway for
521 BT_COMP_LOGD("Copied content of static array field class: in-fc-addr=%p, "
522 "out-fc-addr=%p", in_field_class
, out_field_class
);
528 int field_class_dynamic_array_copy(
529 struct trace_ir_metadata_maps
*md_maps
,
530 const bt_field_class
*in_field_class
,
531 bt_field_class
*out_field_class
)
533 BT_COMP_LOGD("Copying content of dynamic array field class: "
534 "in-fc-addr=%p, out-fc-addr=%p",
535 in_field_class
, out_field_class
);
538 * There is no content to copy. Keep this function call anyway for
541 BT_COMP_LOGD("Copied dynamic array field class: in-fc-addr=%p, "
542 "out-fc-addr=%p", in_field_class
, out_field_class
);
548 int field_class_option_copy(
549 struct trace_ir_metadata_maps
*md_maps
,
550 const bt_field_class
*in_field_class
,
551 bt_field_class
*out_field_class
)
553 BT_COMP_LOGD("Copying content of option field class: "
554 "in-fc-addr=%p, out-fc-addr=%p",
555 in_field_class
, out_field_class
);
558 * There is no content to copy. Keep this function call anyway for
561 BT_COMP_LOGD("Copied option field class: in-fc-addr=%p, "
562 "out-fc-addr=%p", in_field_class
, out_field_class
);
568 int field_class_string_copy(struct trace_ir_metadata_maps
*md_maps
,
569 const bt_field_class
*in_field_class
,
570 bt_field_class
*out_field_class
)
572 BT_COMP_LOGD("Copying content of string field class: in-fc-addr=%p, "
573 "out-fc-addr=%p", in_field_class
, out_field_class
);
575 * There is no content to copy. Keep this function call anyway for
578 BT_COMP_LOGD("Copied content of string field class: in-fc-addr=%p, "
579 "out-fc-addr=%p", in_field_class
, out_field_class
);
585 bt_field_class
*copy_field_class_array_element(struct trace_ir_metadata_maps
*md_maps
,
586 const bt_field_class
*in_elem_fc
)
589 bt_field_class
*out_elem_fc
=
590 create_field_class_copy_internal(md_maps
, in_elem_fc
);
592 BT_COMP_LOGE("Error creating output elem field class "
593 "from input elem field class for static array: "
594 "in-fc-addr=%p", in_elem_fc
);
598 ret
= copy_field_class_content_internal(md_maps
, in_elem_fc
, out_elem_fc
);
600 BT_COMP_LOGE("Error creating output elem field class "
601 "from input elem field class for static array: "
602 "in-fc-addr=%p", in_elem_fc
);
603 BT_FIELD_CLASS_PUT_REF_AND_RESET(out_elem_fc
);
612 bt_field_class
*create_field_class_copy_internal(struct trace_ir_metadata_maps
*md_maps
,
613 const bt_field_class
*in_field_class
)
615 bt_field_class
*out_field_class
= NULL
;
616 bt_field_class_type fc_type
= bt_field_class_get_type(in_field_class
);
618 BT_COMP_LOGD("Creating bare field class based on field class: in-fc-addr=%p",
622 case BT_FIELD_CLASS_TYPE_BOOL
:
623 out_field_class
= bt_field_class_bool_create(
624 md_maps
->output_trace_class
);
626 case BT_FIELD_CLASS_TYPE_BIT_ARRAY
:
627 out_field_class
= bt_field_class_bit_array_create(
628 md_maps
->output_trace_class
,
629 bt_field_class_bit_array_get_length(
632 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER
:
633 out_field_class
= bt_field_class_integer_unsigned_create(
634 md_maps
->output_trace_class
);
636 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
:
637 out_field_class
= bt_field_class_integer_signed_create(
638 md_maps
->output_trace_class
);
640 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION
:
641 out_field_class
= bt_field_class_enumeration_unsigned_create(
642 md_maps
->output_trace_class
);
644 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
:
645 out_field_class
= bt_field_class_enumeration_signed_create(
646 md_maps
->output_trace_class
);
648 case BT_FIELD_CLASS_TYPE_REAL
:
649 out_field_class
= bt_field_class_real_create(
650 md_maps
->output_trace_class
);
652 case BT_FIELD_CLASS_TYPE_STRING
:
653 out_field_class
= bt_field_class_string_create(
654 md_maps
->output_trace_class
);
656 case BT_FIELD_CLASS_TYPE_STRUCTURE
:
657 out_field_class
= bt_field_class_structure_create(
658 md_maps
->output_trace_class
);
660 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY
:
662 const bt_field_class
*in_elem_fc
=
663 bt_field_class_array_borrow_element_field_class_const(
666 bt_field_class_array_static_get_length(in_field_class
);
668 bt_field_class
*out_elem_fc
= copy_field_class_array_element(
669 md_maps
, in_elem_fc
);
671 out_field_class
= NULL
;
675 out_field_class
= bt_field_class_array_static_create(
676 md_maps
->output_trace_class
,
677 out_elem_fc
, array_len
);
680 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY
:
682 const bt_field_class
*in_elem_fc
=
683 bt_field_class_array_borrow_element_field_class_const(
685 const bt_field_path
*length_fp
=
686 bt_field_class_array_dynamic_borrow_length_field_path_const(
688 bt_field_class
*out_length_fc
= NULL
;
690 bt_field_class
*out_elem_fc
= copy_field_class_array_element(
691 md_maps
, in_elem_fc
);
693 out_field_class
= NULL
;
698 const bt_field_class
*in_length_fc
=
699 resolve_field_path_to_field_class(length_fp
,
702 BT_ASSERT(in_length_fc
);
703 out_length_fc
= g_hash_table_lookup(md_maps
->field_class_map
,
705 BT_ASSERT(out_length_fc
);
708 out_field_class
= bt_field_class_array_dynamic_create(
709 md_maps
->output_trace_class
,
710 out_elem_fc
, out_length_fc
);
713 case BT_FIELD_CLASS_TYPE_OPTION
:
715 const bt_field_class
*in_content_fc
=
716 bt_field_class_option_borrow_field_class_const(
718 const bt_field_path
*in_selector_fp
=
719 bt_field_class_option_borrow_selector_field_path_const(
721 bt_field_class
*out_selector_fc
= NULL
;
722 bt_field_class
*out_content_fc
;
725 out_content_fc
= create_field_class_copy_internal(
726 md_maps
, in_content_fc
);
727 if (!out_content_fc
) {
728 BT_COMP_LOGE_STR("Cannot copy option's content field class.");
732 ret
= copy_field_class_content_internal(md_maps
,
733 in_content_fc
, out_content_fc
);
735 BT_COMP_LOGE_STR("Error copying content of option's "
736 "content field class");
740 if (in_selector_fp
) {
741 const bt_field_class
*in_selector_fc
=
742 resolve_field_path_to_field_class(
743 in_selector_fp
, md_maps
);
745 BT_ASSERT(in_selector_fc
);
746 out_selector_fc
= g_hash_table_lookup(
747 md_maps
->field_class_map
, in_selector_fc
);
748 BT_ASSERT(out_selector_fc
);
751 out_field_class
= bt_field_class_option_create(
752 md_maps
->output_trace_class
,
753 out_content_fc
, out_selector_fc
);
756 case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR
:
757 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR
:
758 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR
:
760 bt_field_class
*out_sel_fc
= NULL
;
762 if (fc_type
== BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR
||
763 fc_type
== BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR
) {
764 const bt_field_class
*in_sel_fc
;
765 const bt_field_path
*sel_fp
=
766 bt_field_class_variant_with_selector_borrow_selector_field_path_const(
770 in_sel_fc
= resolve_field_path_to_field_class(sel_fp
,
772 BT_ASSERT(in_sel_fc
);
773 out_sel_fc
= g_hash_table_lookup(
774 md_maps
->field_class_map
, in_sel_fc
);
775 BT_ASSERT(out_sel_fc
);
778 out_field_class
= bt_field_class_variant_create(
779 md_maps
->output_trace_class
, out_sel_fc
);
787 * Add mapping from in_field_class to out_field_class. This simplifies
788 * the resolution of field paths in variant and dynamic array field
791 g_hash_table_insert(md_maps
->field_class_map
,
792 (gpointer
) in_field_class
, out_field_class
);
796 BT_COMP_LOGD("Created bare field class based on field class: in-fc-addr=%p, "
797 "out-fc-addr=%p", in_field_class
, out_field_class
);
799 BT_COMP_LOGE("Error creating output field class from input field "
800 "class: in-fc-addr=%p", in_field_class
);
803 return out_field_class
;
807 int copy_field_class_content_internal(
808 struct trace_ir_metadata_maps
*md_maps
,
809 const bt_field_class
*in_field_class
,
810 bt_field_class
*out_field_class
)
813 switch(bt_field_class_get_type(in_field_class
)) {
814 case BT_FIELD_CLASS_TYPE_BOOL
:
815 ret
= field_class_bool_copy(md_maps
,
816 in_field_class
, out_field_class
);
818 case BT_FIELD_CLASS_TYPE_BIT_ARRAY
:
819 ret
= field_class_bit_array_copy(md_maps
,
820 in_field_class
, out_field_class
);
822 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER
:
823 ret
= field_class_unsigned_integer_copy(md_maps
,
824 in_field_class
, out_field_class
);
826 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
:
827 ret
= field_class_signed_integer_copy(md_maps
,
828 in_field_class
, out_field_class
);
830 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION
:
831 ret
= field_class_unsigned_enumeration_copy(md_maps
,
832 in_field_class
, out_field_class
);
834 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
:
835 ret
= field_class_signed_enumeration_copy(md_maps
,
836 in_field_class
, out_field_class
);
838 case BT_FIELD_CLASS_TYPE_REAL
:
839 ret
= field_class_real_copy(md_maps
,
840 in_field_class
, out_field_class
);
842 case BT_FIELD_CLASS_TYPE_STRING
:
843 ret
= field_class_string_copy(md_maps
,
844 in_field_class
, out_field_class
);
846 case BT_FIELD_CLASS_TYPE_STRUCTURE
:
847 ret
= field_class_structure_copy(md_maps
,
848 in_field_class
, out_field_class
);
850 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY
:
851 ret
= field_class_static_array_copy(md_maps
,
852 in_field_class
, out_field_class
);
854 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY
:
855 ret
= field_class_dynamic_array_copy(md_maps
,
856 in_field_class
, out_field_class
);
858 case BT_FIELD_CLASS_TYPE_OPTION
:
859 ret
= field_class_option_copy(md_maps
,
860 in_field_class
, out_field_class
);
862 case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR
:
863 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR
:
864 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR
:
865 ret
= field_class_variant_copy(md_maps
,
866 in_field_class
, out_field_class
);