src/lib/trace-ir/field-class.h

   1 #ifndef BABELTRACE_TRACE_IR_FIELD_CLASSES_INTERNAL_H
   2 #define BABELTRACE_TRACE_IR_FIELD_CLASSES_INTERNAL_H
   3
   4 /*
   5  * Copyright 2017-2018 Philippe Proulx <pproulx@efficios.com>
   6  * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@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 #include "lib/assert-pre.h"
  28 #include <babeltrace2/trace-ir/clock-class.h>
  29 #include <babeltrace2/trace-ir/field-class.h>
  30 #include "common/macros.h"
  31 #include "common/common.h"
  32 #include "lib/object.h"
  33 #include <babeltrace2/types.h>
  34 #include <stdint.h>
  35 #include <glib.h>
  36
  37 #define _BT_ASSERT_PRE_FC_IS_INT_COND(_fc)                              \
  38         (((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER || \
  39         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_SIGNED_INTEGER || \
  40         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION || \
  41         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION)
  42
  43 #define _BT_ASSERT_PRE_FC_IS_INT_FMT(_name)                             \
  44         _name " is not an integer field class: %![fc-]+F"
  45
  46 #define _BT_ASSERT_PRE_FC_IS_UNSIGNED_INT_COND(_fc)                     \
  47         (((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER || \
  48         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION)
  49
  50 #define _BT_ASSERT_PRE_FC_IS_UNSIGNED_INT_FMT(_name)                    \
  51         _name " is not an unsigned integer field class: %![fc-]+F"
  52
  53
  54 #define _BT_ASSERT_PRE_FC_IS_SIGNED_INT_COND(_fc)                       \
  55         (((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_SIGNED_INTEGER || \
  56         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION)
  57
  58 #define _BT_ASSERT_PRE_FC_IS_SIGNED_INT_FMT(_name)                      \
  59         _name " is not a signed integer field class: %![fc-]+F"
  60
  61 #define _BT_ASSERT_PRE_FC_IS_ENUM_COND(_fc)                             \
  62         (((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION || \
  63         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION)
  64
  65 #define _BT_ASSERT_PRE_FC_IS_ENUM_FMT(_name)                            \
  66         _name " is not an enumeration field class: %![fc-]+F"
  67
  68 #define _BT_ASSERT_PRE_FC_IS_ARRAY_COND(_fc)                            \
  69         (((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_STATIC_ARRAY || \
  70         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY)
  71
  72 #define _BT_ASSERT_PRE_FC_IS_ARRAY_FMT(_name)                           \
  73         _name " is not an array field class: %![fc-]+F"
  74
  75 #define _BT_ASSERT_PRE_FC_IS_OPTION_COND(_fc)                           \
  76         (((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR || \
  77         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR || \
  78         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR || \
  79         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR)
  80
  81 #define _BT_ASSERT_PRE_FC_IS_OPTION_FMT(_name)                          \
  82         _name " is not an option field class: %![fc-]+F"
  83
  84 #define _BT_ASSERT_PRE_FC_IS_OPTION_WITH_SEL_COND(_fc)                  \
  85         (((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR || \
  86         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR || \
  87         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR)
  88
  89 #define _BT_ASSERT_PRE_FC_IS_OPTION_WITH_SEL_FMT(_name)         \
  90         _name " is not an option field class with a selector: %![fc-]+F"
  91
  92 #define _BT_ASSERT_PRE_FC_IS_OPTION_WITH_INT_SEL_COND(_fc)              \
  93         (((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR || \
  94         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR)
  95
  96 #define _BT_ASSERT_PRE_FC_IS_OPTION_WITH_INT_SEL_FMT(_name)             \
  97         _name " is not an option field class with an integer selector: %![fc-]+F"
  98
  99 #define _BT_ASSERT_PRE_FC_IS_VARIANT_COND(_fc)                          \
 100         (((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR || \
 101         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR || \
 102         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR)
 103
 104 #define _BT_ASSERT_PRE_FC_IS_VARIANT_FMT(_name)                         \
 105         _name " is not a variant field class: %![fc-]+F"
 106
 107 #define _BT_ASSERT_PRE_FC_IS_VARIANT_WITH_SEL_COND(_fc)                 \
 108         (((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_INTEGER_SELECTOR || \
 109         ((const struct bt_field_class *) (_fc))->type == BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_INTEGER_SELECTOR)
 110
 111 #define _BT_ASSERT_PRE_FC_IS_VARIANT_WITH_SEL_FMT(_name)                \
 112         _name " is not a variant field class with a selector: %![fc-]+F"
 113
 114 #define _BT_ASSERT_PRE_FC_HAS_ID_COND(_fc, _type)                       \
 115         (((const struct bt_field_class *) (_fc))->type == (_type))
 116
 117 #define _BT_ASSERT_PRE_FC_HAS_ID_FMT(_name)                             \
 118         _name " has the wrong type: expected-type=%s, %![fc-]+F"
 119
 120 #define BT_ASSERT_PRE_FC_IS_INT(_fc, _name)                             \
 121         BT_ASSERT_PRE(_BT_ASSERT_PRE_FC_IS_INT_COND(_fc),               \
 122                 _BT_ASSERT_PRE_FC_IS_INT_FMT(_name), (_fc))
 123
 124 #define BT_ASSERT_PRE_FC_IS_UNSIGNED_INT(_fc, _name)                    \
 125         BT_ASSERT_PRE(_BT_ASSERT_PRE_FC_IS_UNSIGNED_INT_COND(_fc),      \
 126                 _BT_ASSERT_PRE_FC_IS_UNSIGNED_INT_FMT(_name), (_fc))
 127
 128 #define BT_ASSERT_PRE_FC_IS_SIGNED_INT(_fc, _name)                      \
 129         BT_ASSERT_PRE(_BT_ASSERT_PRE_FC_IS_SIGNED_INT_COND(_fc),        \
 130                 _BT_ASSERT_PRE_FC_IS_SIGNED_INT_FMT(_name), (_fc))
 131
 132 #define BT_ASSERT_PRE_FC_IS_ENUM(_fc, _name)                            \
 133         BT_ASSERT_PRE(_BT_ASSERT_PRE_FC_IS_ENUM_COND(_fc),              \
 134                 _BT_ASSERT_PRE_FC_IS_ENUM_FMT(_name), (_fc))
 135
 136 #define BT_ASSERT_PRE_FC_IS_ARRAY(_fc, _name)                           \
 137         BT_ASSERT_PRE(_BT_ASSERT_PRE_FC_IS_ARRAY_COND(_fc),             \
 138                 _BT_ASSERT_PRE_FC_IS_ARRAY_FMT(_name), (_fc))
 139
 140 #define BT_ASSERT_PRE_FC_IS_OPTION(_fc, _name)                          \
 141         BT_ASSERT_PRE(_BT_ASSERT_PRE_FC_IS_OPTION_COND(_fc),            \
 142                 _BT_ASSERT_PRE_FC_IS_OPTION_FMT(_name), (_fc))
 143
 144 #define BT_ASSERT_PRE_FC_IS_OPTION_WITH_SEL(_fc, _name)                 \
 145         BT_ASSERT_PRE(_BT_ASSERT_PRE_FC_IS_OPTION_WITH_SEL_COND(_fc),   \
 146                 _BT_ASSERT_PRE_FC_IS_OPTION_WITH_SEL_FMT(_name), (_fc))
 147
 148 #define BT_ASSERT_PRE_FC_IS_OPTION_WITH_INT_SEL(_fc, _name)             \
 149         BT_ASSERT_PRE(_BT_ASSERT_PRE_FC_IS_OPTION_WITH_INT_SEL_COND(_fc), \
 150                 _BT_ASSERT_PRE_FC_IS_OPTION_WITH_INT_SEL_FMT(_name), (_fc))
 151
 152 #define BT_ASSERT_PRE_FC_IS_VARIANT(_fc, _name)                         \
 153         BT_ASSERT_PRE(_BT_ASSERT_PRE_FC_IS_VARIANT_COND(_fc),           \
 154                 _BT_ASSERT_PRE_FC_IS_VARIANT_FMT(_name), (_fc))
 155
 156 #define BT_ASSERT_PRE_FC_IS_VARIANT_WITH_SEL(_fc, _name)                \
 157         BT_ASSERT_PRE(_BT_ASSERT_PRE_FC_IS_VARIANT_WITH_SEL_COND(_fc),  \
 158                 _BT_ASSERT_PRE_FC_IS_VARIANT_WITH_SEL_FMT(_name), (_fc))
 159
 160 #define BT_ASSERT_PRE_FC_HAS_ID(_fc, _type, _name)                      \
 161         BT_ASSERT_PRE(_BT_ASSERT_PRE_FC_HAS_ID_COND((_fc), (_type)),    \
 162                 _BT_ASSERT_PRE_FC_HAS_ID_FMT(_name),                    \
 163                 bt_common_field_class_type_string(_type), (_fc))
 164
 165 #define BT_ASSERT_PRE_DEV_FC_IS_INT(_fc, _name)                         \
 166         BT_ASSERT_PRE_DEV(_BT_ASSERT_PRE_FC_IS_INT_COND(_fc),           \
 167                 _BT_ASSERT_PRE_FC_IS_INT_FMT(_name), (_fc))
 168
 169 #define BT_ASSERT_PRE_DEV_FC_IS_UNSIGNED_INT(_fc, _name)                \
 170         BT_ASSERT_PRE_DEV(_BT_ASSERT_PRE_FC_IS_UNSIGNED_INT_COND(_fc),  \
 171                 _BT_ASSERT_PRE_FC_IS_UNSIGNED_INT_FMT(_name), (_fc))
 172
 173 #define BT_ASSERT_PRE_DEV_FC_IS_SIGNED_INT(_fc, _name)                  \
 174         BT_ASSERT_PRE_DEV(_BT_ASSERT_PRE_FC_IS_SIGNED_INT_COND(_fc),    \
 175                 _BT_ASSERT_PRE_FC_IS_SIGNED_INT_FMT(_name), (_fc))
 176
 177 #define BT_ASSERT_PRE_DEV_FC_IS_ENUM(_fc, _name)                        \
 178         BT_ASSERT_PRE_DEV(_BT_ASSERT_PRE_FC_IS_ENUM_COND(_fc),          \
 179                 _BT_ASSERT_PRE_FC_IS_ENUM_FMT(_name), (_fc))
 180
 181 #define BT_ASSERT_PRE_DEV_FC_IS_ARRAY(_fc, _name)                       \
 182         BT_ASSERT_PRE_DEV(_BT_ASSERT_PRE_FC_IS_ARRAY_COND(_fc),         \
 183                 _BT_ASSERT_PRE_FC_IS_ARRAY_FMT(_name), (_fc))
 184
 185 #define BT_ASSERT_PRE_DEV_FC_IS_OPTION(_fc, _name)                      \
 186         BT_ASSERT_PRE_DEV(_BT_ASSERT_PRE_FC_IS_OPTION_COND(_fc),        \
 187                 _BT_ASSERT_PRE_FC_IS_OPTION_FMT(_name), (_fc))
 188
 189 #define BT_ASSERT_PRE_DEV_FC_IS_OPTION_WITH_SEL(_fc, _name)             \
 190         BT_ASSERT_PRE_DEV(_BT_ASSERT_PRE_FC_IS_OPTION_WITH_SEL_COND(_fc), \
 191                 _BT_ASSERT_PRE_FC_IS_OPTION_WITH_SEL_FMT(_name), (_fc))
 192
 193 #define BT_ASSERT_PRE_DEV_FC_IS_OPTION_WITH_INT_SEL(_fc, _name)         \
 194         BT_ASSERT_PRE_DEV(_BT_ASSERT_PRE_FC_IS_OPTION_WITH_INT_SEL_COND(_fc), \
 195                 _BT_ASSERT_PRE_FC_IS_OPTION_WITH_INT_SEL_FMT(_name), (_fc))
 196
 197 #define BT_ASSERT_PRE_DEV_FC_IS_VARIANT(_fc, _name)                     \
 198         BT_ASSERT_PRE_DEV(_BT_ASSERT_PRE_FC_IS_VARIANT_COND(_fc),       \
 199                 _BT_ASSERT_PRE_FC_IS_VARIANT_FMT(_name), (_fc))
 200
 201 #define BT_ASSERT_PRE_DEV_FC_IS_VARIANT_WITH_SEL(_fc, _name)            \
 202         BT_ASSERT_PRE_DEV(_BT_ASSERT_PRE_FC_IS_VARIANT_WITH_SEL_COND(_fc), \
 203                 _BT_ASSERT_PRE_FC_IS_VARIANT_WITH_SEL_FMT(_name), (_fc))
 204
 205 #define BT_ASSERT_PRE_DEV_FC_HAS_ID(_fc, _type, _name)                  \
 206         BT_ASSERT_PRE_DEV(_BT_ASSERT_PRE_FC_HAS_ID_COND((_fc), (_type)), \
 207                 _BT_ASSERT_PRE_FC_HAS_ID_FMT(_name),                    \
 208                 bt_common_field_class_type_string(_type), (_fc))
 209
 210 #define BT_ASSERT_PRE_DEV_FC_HOT(_fc, _name)                            \
 211         BT_ASSERT_PRE_DEV_HOT((const struct bt_field_class *) (_fc),    \
 212                 (_name), ": %!+F", (_fc))
 213
 214 #define BT_FIELD_CLASS_ENUM_MAPPING_AT_INDEX(_fc, _index)               \
 215         (&g_array_index(((struct bt_field_class_enumeration *) (_fc))->mappings, \
 216                 struct bt_field_class_enumeration_mapping, (_index)))
 217
 218 #define BT_FIELD_CLASS_ENUM_MAPPING_RANGE_AT_INDEX(_mapping, _index)    \
 219         (&g_array_index((_mapping)->ranges,                             \
 220                 struct bt_field_class_enumeration_mapping_range, (_index)))
 221
 222 struct bt_field;
 223 struct bt_field_class;
 224
 225 struct bt_field_class {
 226         struct bt_object base;
 227         enum bt_field_class_type type;
 228         bool frozen;
 229
 230         /* Owned by this */
 231         struct bt_value *user_attributes;
 232
 233         /*
 234          * This flag indicates whether or not this field class is part
 235          * of a trace class.
 236          */
 237         bool part_of_trace_class;
 238 };
 239
 240 struct bt_field_class_bool {
 241         struct bt_field_class common;
 242 };
 243
 244 struct bt_field_class_bit_array {
 245         struct bt_field_class common;
 246         uint64_t length;
 247 };
 248
 249 struct bt_field_class_integer {
 250         struct bt_field_class common;
 251
 252         /*
 253          * Value range of fields built from this integer field class:
 254          * this is an equivalent integer size in bits. More formally,
 255          * `range` is `n` in:
 256          *
 257          * Unsigned range: [0, 2^n - 1]
 258          * Signed range: [-2^(n - 1), 2^(n - 1) - 1]
 259          */
 260         uint64_t range;
 261
 262         enum bt_field_class_integer_preferred_display_base base;
 263 };
 264
 265 struct bt_field_class_enumeration_mapping {
 266         GString *label;
 267
 268         /* Owner by this */
 269         const struct bt_integer_range_set *range_set;
 270 };
 271
 272 struct bt_field_class_enumeration_unsigned_mapping;
 273 struct bt_field_class_enumeration_signed_mapping;
 274
 275 struct bt_field_class_enumeration {
 276         struct bt_field_class_integer common;
 277
 278         /* Array of `struct bt_field_class_enumeration_mapping *` */
 279         GArray *mappings;
 280
 281         /*
 282          * This is an array of `const char *` which acts as a temporary
 283          * (potentially growing) buffer for
 284          * bt_field_class_enumeration_unsigned_get_mapping_labels_for_value()
 285          * and
 286          * bt_field_class_enumeration_signed_get_mapping_labels_for_value().
 287          *
 288          * The actual strings are owned by the mappings above.
 289          */
 290         GPtrArray *label_buf;
 291 };
 292
 293 struct bt_field_class_real {
 294         struct bt_field_class common;
 295 };
 296
 297 struct bt_field_class_string {
 298         struct bt_field_class common;
 299 };
 300
 301 /* A named field class is a (name, field class) pair */
 302 struct bt_named_field_class {
 303         GString *name;
 304
 305         /* Owned by this */
 306         struct bt_value *user_attributes;
 307
 308         /* Owned by this */
 309         struct bt_field_class *fc;
 310
 311         bool frozen;
 312 };
 313
 314 struct bt_field_class_structure_member;
 315 struct bt_field_class_variant_option;
 316 struct bt_field_class_variant_with_selector_integer_unsigned_option;
 317 struct bt_field_class_variant_with_selector_integer_signed_option;
 318
 319 struct bt_field_class_named_field_class_container {
 320         struct bt_field_class common;
 321
 322         /*
 323          * Key: `const char *`, not owned by this (owned by named field
 324          * class objects contained in `named_fcs` below).
 325          */
 326         GHashTable *name_to_index;
 327
 328         /* Array of `struct bt_named_field_class *` */
 329         GPtrArray *named_fcs;
 330 };
 331
 332 struct bt_field_class_structure {
 333         struct bt_field_class_named_field_class_container common;
 334 };
 335
 336 struct bt_field_class_array {
 337         struct bt_field_class common;
 338
 339         /* Owned by this */
 340         struct bt_field_class *element_fc;
 341 };
 342
 343 struct bt_field_class_array_static {
 344         struct bt_field_class_array common;
 345         uint64_t length;
 346 };
 347
 348 struct bt_field_class_array_dynamic {
 349         struct bt_field_class_array common;
 350
 351         /* Owned by this */
 352         struct bt_field_class *length_fc;
 353
 354         /* Owned by this */
 355         struct bt_field_path *length_field_path;
 356 };
 357
 358 struct bt_field_class_option {
 359         struct bt_field_class common;
 360
 361         /* Owned by this */
 362         struct bt_field_class *content_fc;
 363 };
 364
 365 struct bt_field_class_option_with_selector {
 366         struct bt_field_class_option common;
 367
 368         /* Owned by this */
 369         struct bt_field_class *selector_fc;
 370
 371         /* Owned by this */
 372         struct bt_field_path *selector_field_path;
 373 };
 374
 375 struct bt_field_class_option_with_selector_bool {
 376         struct bt_field_class_option_with_selector common;
 377
 378         /* Owned by this */
 379         bool sel_is_reversed;
 380 };
 381
 382 struct bt_field_class_option_with_selector_integer {
 383         struct bt_field_class_option_with_selector common;
 384
 385         /* Owned by this */
 386         const struct bt_integer_range_set *range_set;
 387 };
 388
 389 /* Variant FC (with selector) option: named field class + range set */
 390 struct bt_field_class_variant_with_selector_option {
 391         struct bt_named_field_class common;
 392
 393         /* Owned by this */
 394         const struct bt_integer_range_set *range_set;
 395 };
 396
 397 struct bt_field_class_variant {
 398         /*
 399          * Depending on the variant field class type, the contained
 400          * named field classes are of type
 401          * `struct bt_named_field_class *` if the variant field class
 402          * doesn't have a selector, or
 403          * `struct bt_field_class_variant_with_selector_option *`
 404          * if it has.
 405          */
 406         struct bt_field_class_named_field_class_container common;
 407 };
 408
 409 struct bt_field_class_variant_with_selector {
 410         struct bt_field_class_variant common;
 411
 412         /*
 413          * Owned by this, but never dereferenced: only use to find it
 414          * elsewhere.
 415          */
 416         const struct bt_field_class *selector_fc;
 417
 418         /* Owned by this */
 419         struct bt_field_path *selector_field_path;
 420 };
 421
 422 BT_HIDDEN
 423 void _bt_field_class_freeze(const struct bt_field_class *field_class);
 424
 425 #ifdef BT_DEV_MODE
 426 # define bt_field_class_freeze          _bt_field_class_freeze
 427 #else
 428 # define bt_field_class_freeze(_fc)     ((void) _fc)
 429 #endif
 430
 431 BT_HIDDEN
 432 void _bt_named_field_class_freeze(const struct bt_named_field_class *named_fc);
 433
 434 #ifdef BT_DEV_MODE
 435 # define bt_named_field_class_freeze            _bt_named_field_class_freeze
 436 #else
 437 # define bt_named_field_class_freeze(_named_fc) ((void) _named_fc)
 438 #endif
 439
 440 /*
 441  * This function recursively marks `field_class` and its children as
 442  * being part of a trace. This is used to validate that all field classes
 443  * are used at a single location within trace objects even if they are
 444  * shared objects for other purposes.
 445  */
 446 BT_HIDDEN
 447 void bt_field_class_make_part_of_trace_class(
 448                 const struct bt_field_class *field_class);
 449
 450 #endif /* BABELTRACE_TRACE_IR_FIELD_CLASSES_INTERNAL_H */