include/babeltrace2/plugin/plugin-dev.h

   1 #ifndef BABELTRACE2_PLUGIN_PLUGIN_DEV_H
   2 #define BABELTRACE2_PLUGIN_PLUGIN_DEV_H
   3
   4 /*
   5  * Copyright (c) 2010-2019 EfficiOS Inc. and Linux Foundation
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #ifndef __BT_IN_BABELTRACE_H
  27 # error "Please include <babeltrace2/babeltrace.h> instead."
  28 #endif
  29
  30 #include <stdint.h>
  31
  32 #include <babeltrace2/graph/component-class-const.h>
  33 #include <babeltrace2/graph/component-class-source.h>
  34 #include <babeltrace2/graph/component-class-filter.h>
  35 #include <babeltrace2/graph/component-class-sink.h>
  36 #include <babeltrace2/types.h>
  37
  38 /*
  39  * _BT_HIDDEN: set the hidden attribute for internal functions
  40  * On Windows, symbols are local unless explicitly exported,
  41  * see https://gcc.gnu.org/wiki/Visibility
  42  */
  43 #if defined(_WIN32) || defined(__CYGWIN__)
  44 #define _BT_HIDDEN
  45 #else
  46 #define _BT_HIDDEN __attribute__((visibility("hidden")))
  47 #endif
  48
  49 #ifdef __cplusplus
  50 extern "C" {
  51 #endif
  52
  53 /*
  54  * Plugin interface's version, not synced with Babeltrace's version
  55  * (internal use).
  56  */
  57 #define __BT_PLUGIN_VERSION_MAJOR       1
  58 #define __BT_PLUGIN_VERSION_MINOR       0
  59
  60 /* Plugin initialization function type */
  61 typedef enum bt_plugin_initialize_func_status {
  62         BT_PLUGIN_INITIALIZE_FUNC_STATUS_OK             = __BT_FUNC_STATUS_OK,
  63         BT_PLUGIN_INITIALIZE_FUNC_STATUS_MEMORY_ERROR   = __BT_FUNC_STATUS_MEMORY_ERROR,
  64         BT_PLUGIN_INITIALIZE_FUNC_STATUS_ERROR          = __BT_FUNC_STATUS_ERROR,
  65 } bt_plugin_initialize_func_status;
  66
  67 typedef bt_plugin_initialize_func_status (*bt_plugin_initialize_func)(
  68                 bt_self_plugin *plugin);
  69
  70 /* Plugin exit function type */
  71 typedef void (*bt_plugin_finalize_func)(void);
  72
  73 /* Plugin descriptor: describes a single plugin (internal use) */
  74 struct __bt_plugin_descriptor {
  75         /* Plugin's interface major version number */
  76         uint32_t major;
  77
  78         /* Plugin's interface minor version number */
  79         uint32_t minor;
  80
  81         /* Plugin's name */
  82         const char *name;
  83 } __attribute__((packed));
  84
  85 /* Type of a plugin attribute (internal use) */
  86 enum __bt_plugin_descriptor_attribute_type {
  87         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT                = 0,
  88         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT                = 1,
  89         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR              = 2,
  90         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE             = 3,
  91         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION         = 4,
  92         BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION             = 5,
  93 };
  94
  95 /* Plugin (user) version */
  96 struct __bt_plugin_descriptor_version {
  97         uint32_t major;
  98         uint32_t minor;
  99         uint32_t patch;
 100         const char *extra;
 101 };
 102
 103 /* Plugin attribute (internal use) */
 104 struct __bt_plugin_descriptor_attribute {
 105         /* Plugin descriptor to which to associate this attribute */
 106         const struct __bt_plugin_descriptor *plugin_descriptor;
 107
 108         /* Name of the attribute's type for debug purposes */
 109         const char *type_name;
 110
 111         /* Attribute's type */
 112         enum __bt_plugin_descriptor_attribute_type type;
 113
 114         /* Attribute's value (depends on attribute's type) */
 115         union {
 116                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT */
 117                 bt_plugin_initialize_func init;
 118
 119                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT */
 120                 bt_plugin_finalize_func exit;
 121
 122                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR */
 123                 const char *author;
 124
 125                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE */
 126                 const char *license;
 127
 128                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
 129                 const char *description;
 130
 131                 /* BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION */
 132                 struct __bt_plugin_descriptor_version version;
 133         } value;
 134 } __attribute__((packed));
 135
 136 /* Component class descriptor (internal use) */
 137 struct __bt_plugin_component_class_descriptor {
 138         /*
 139          * Plugin descriptor to which to associate this component
 140          * class descriptor.
 141          */
 142         const struct __bt_plugin_descriptor *plugin_descriptor;
 143
 144         /* Component class name */
 145         const char *name;
 146
 147         /* Component class type */
 148         bt_component_class_type type;
 149
 150         /* Mandatory methods (depends on component class type) */
 151         union {
 152                 /* BT_COMPONENT_CLASS_TYPE_SOURCE */
 153                 struct {
 154                         bt_component_class_source_message_iterator_next_method msg_iter_next;
 155                 } source;
 156
 157                 /* BT_COMPONENT_CLASS_TYPE_FILTER */
 158                 struct {
 159                         bt_component_class_filter_message_iterator_next_method msg_iter_next;
 160                 } filter;
 161
 162                 /* BT_COMPONENT_CLASS_TYPE_SINK */
 163                 struct {
 164                         bt_component_class_sink_consume_method consume;
 165                 } sink;
 166         } methods;
 167 } __attribute__((packed));
 168
 169 /* Type of a component class attribute (internal use) */
 170 enum __bt_plugin_component_class_descriptor_attribute_type {
 171         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION                                 = 0,
 172         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP                                        = 1,
 173         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD           = 2,
 174         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INITIALIZE_METHOD                                   = 3,
 175         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD                             = 4,
 176         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD                                = 5,
 177         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD                 = 6,
 178         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD                = 7,
 179         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD                  = 8,
 180         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INITIALIZE_METHOD                  = 9,
 181         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD                    = 10,
 182         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD         = 11,
 183         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD              = 12,
 184         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD     = 13,
 185         BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD          = 14,
 186 };
 187
 188 /* Component class attribute (internal use) */
 189 struct __bt_plugin_component_class_descriptor_attribute {
 190         /*
 191          * Component class plugin attribute to which to associate this
 192          * component class attribute.
 193          */
 194         const struct __bt_plugin_component_class_descriptor *comp_class_descriptor;
 195
 196         /* Name of the attribute's type for debug purposes */
 197         const char *type_name;
 198
 199         /* Attribute's type */
 200         enum __bt_plugin_component_class_descriptor_attribute_type type;
 201
 202         /* Attribute's value (depends on attribute's type) */
 203         union {
 204                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION */
 205                 const char *description;
 206
 207                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP */
 208                 const char *help;
 209
 210                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS_METHOD */
 211                 bt_component_class_source_get_supported_mip_versions_method source_get_supported_mip_versions_method;
 212                 bt_component_class_filter_get_supported_mip_versions_method filter_get_supported_mip_versions_method;
 213                 bt_component_class_sink_get_supported_mip_versions_method sink_get_supported_mip_versions_method;
 214
 215                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INITIALIZE_METHOD */
 216                 bt_component_class_source_initialize_method source_initialize_method;
 217                 bt_component_class_filter_initialize_method filter_initialize_method;
 218                 bt_component_class_sink_initialize_method sink_initialize_method;
 219
 220                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD */
 221                 bt_component_class_source_finalize_method source_finalize_method;
 222                 bt_component_class_filter_finalize_method filter_finalize_method;
 223                 bt_component_class_sink_finalize_method sink_finalize_method;
 224
 225                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD */
 226                 bt_component_class_source_query_method source_query_method;
 227                 bt_component_class_filter_query_method filter_query_method;
 228                 bt_component_class_sink_query_method sink_query_method;
 229
 230                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD */
 231                 bt_component_class_filter_input_port_connected_method filter_input_port_connected_method;
 232                 bt_component_class_sink_input_port_connected_method sink_input_port_connected_method;
 233
 234                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD */
 235                 bt_component_class_source_output_port_connected_method source_output_port_connected_method;
 236                 bt_component_class_filter_output_port_connected_method filter_output_port_connected_method;
 237
 238                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD */
 239                 bt_component_class_sink_graph_is_configured_method sink_graph_is_configured_method;
 240
 241                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INITIALIZE_METHOD */
 242                 bt_component_class_source_message_iterator_initialize_method source_msg_iter_initialize_method;
 243                 bt_component_class_filter_message_iterator_initialize_method filter_msg_iter_initialize_method;
 244
 245                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD */
 246                 bt_component_class_source_message_iterator_finalize_method source_msg_iter_finalize_method;
 247                 bt_component_class_filter_message_iterator_finalize_method filter_msg_iter_finalize_method;
 248
 249                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD */
 250                 bt_component_class_source_message_iterator_seek_ns_from_origin_method source_msg_iter_seek_ns_from_origin_method;
 251                 bt_component_class_filter_message_iterator_seek_ns_from_origin_method filter_msg_iter_seek_ns_from_origin_method;
 252
 253                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD */
 254                 bt_component_class_source_message_iterator_seek_beginning_method source_msg_iter_seek_beginning_method;
 255                 bt_component_class_filter_message_iterator_seek_beginning_method filter_msg_iter_seek_beginning_method;
 256
 257                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD */
 258                 bt_component_class_source_message_iterator_can_seek_ns_from_origin_method source_msg_iter_can_seek_ns_from_origin_method;
 259                 bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method filter_msg_iter_can_seek_ns_from_origin_method;
 260
 261                 /* BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD */
 262                 bt_component_class_source_message_iterator_can_seek_beginning_method source_msg_iter_can_seek_beginning_method;
 263                 bt_component_class_filter_message_iterator_can_seek_beginning_method filter_msg_iter_can_seek_beginning_method;
 264         } value;
 265 } __attribute__((packed));
 266
 267 struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void);
 268 struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void);
 269 struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void);
 270 struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void);
 271 struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void);
 272 struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void);
 273 struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void);
 274 struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void);
 275
 276 /*
 277  * Variable attributes for a plugin descriptor pointer to be added to
 278  * the plugin descriptor section (internal use).
 279  */
 280 #ifdef __APPLE__
 281 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
 282         __attribute__((section("__DATA,btp_desc"), used))
 283
 284 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
 285         __start___bt_plugin_descriptors
 286
 287 #define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
 288         __stop___bt_plugin_descriptors
 289
 290 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA \
 291         __asm("section$start$__DATA$btp_desc")
 292
 293 #define __BT_PLUGIN_DESCRIPTOR_END_EXTRA \
 294         __asm("section$end$__DATA$btp_desc")
 295
 296 #else
 297
 298 #define __BT_PLUGIN_DESCRIPTOR_ATTRS \
 299         __attribute__((section("__bt_plugin_descriptors"), used))
 300
 301 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL \
 302         __start___bt_plugin_descriptors
 303
 304 #define __BT_PLUGIN_DESCRIPTOR_END_SYMBOL \
 305         __stop___bt_plugin_descriptors
 306
 307 #define __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA
 308
 309 #define __BT_PLUGIN_DESCRIPTOR_END_EXTRA
 310 #endif
 311
 312 /*
 313  * Variable attributes for a plugin attribute pointer to be added to
 314  * the plugin attribute section (internal use).
 315  */
 316 #ifdef __APPLE__
 317 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
 318         __attribute__((section("__DATA,btp_desc_att"), used))
 319
 320 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 321         __start___bt_plugin_descriptor_attributes
 322
 323 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 324         __stop___bt_plugin_descriptor_attributes
 325
 326 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
 327         __asm("section$start$__DATA$btp_desc_att")
 328
 329 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
 330         __asm("section$end$__DATA$btp_desc_att")
 331
 332 #else
 333
 334 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS \
 335         __attribute__((section("__bt_plugin_descriptor_attributes"), used))
 336
 337 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 338         __start___bt_plugin_descriptor_attributes
 339
 340 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 341         __stop___bt_plugin_descriptor_attributes
 342
 343 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 344
 345 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA
 346 #endif
 347
 348 /*
 349  * Variable attributes for a component class descriptor pointer to be
 350  * added to the component class descriptor section (internal use).
 351  */
 352 #ifdef __APPLE__
 353 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
 354         __attribute__((section("__DATA,btp_cc_desc"), used))
 355
 356 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
 357         __start___bt_plugin_component_class_descriptors
 358
 359 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
 360         __stop___bt_plugin_component_class_descriptors
 361
 362 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA \
 363         __asm("section$start$__DATA$btp_cc_desc")
 364
 365 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA \
 366         __asm("section$end$__DATA$btp_cc_desc")
 367
 368 #else
 369
 370 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS \
 371         __attribute__((section("__bt_plugin_component_class_descriptors"), used))
 372
 373 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL \
 374         __start___bt_plugin_component_class_descriptors
 375
 376 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL \
 377         __stop___bt_plugin_component_class_descriptors
 378
 379 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA
 380
 381 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA
 382 #endif
 383
 384 /*
 385  * Variable attributes for a component class descriptor attribute
 386  * pointer to be added to the component class descriptor attribute
 387  * section (internal use).
 388  */
 389 #ifdef __APPLE__
 390 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
 391         __attribute__((section("__DATA,btp_cc_desc_att"), used))
 392
 393 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 394         __start___bt_plugin_component_class_descriptor_attributes
 395
 396 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 397         __stop___bt_plugin_component_class_descriptor_attributes
 398
 399 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA \
 400         __asm("section$start$__DATA$btp_cc_desc_att")
 401
 402 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA \
 403         __asm("section$end$__DATA$btp_cc_desc_att")
 404
 405 #else
 406
 407 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS \
 408         __attribute__((section("__bt_plugin_component_class_descriptor_attributes"), used))
 409
 410 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL \
 411         __start___bt_plugin_component_class_descriptor_attributes
 412
 413 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL \
 414         __stop___bt_plugin_component_class_descriptor_attributes
 415
 416 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA
 417
 418 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA
 419 #endif
 420
 421 /*
 422  * Declares a plugin descriptor pointer variable with a custom ID.
 423  *
 424  * _id: ID (any valid C identifier except `auto`).
 425  */
 426 #define BT_PLUGIN_DECLARE(_id) extern struct __bt_plugin_descriptor __bt_plugin_descriptor_##_id
 427
 428 /*
 429  * Defines a plugin descriptor with a custom ID.
 430  *
 431  * _id:   ID (any valid C identifier except `auto`).
 432  * _name: Plugin's name (C string).
 433  */
 434 #define BT_PLUGIN_WITH_ID(_id, _name)                                   \
 435         struct __bt_plugin_descriptor __bt_plugin_descriptor_##_id = {  \
 436                 .major = __BT_PLUGIN_VERSION_MAJOR,                     \
 437                 .minor = __BT_PLUGIN_VERSION_MINOR,                     \
 438                 .name = _name,                                          \
 439         };                                                              \
 440         static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_##_id##_ptr __BT_PLUGIN_DESCRIPTOR_ATTRS = &__bt_plugin_descriptor_##_id
 441
 442 /*
 443  * Defines a plugin attribute (generic, internal use).
 444  *
 445  * _attr_name: Name of the attribute (C identifier).
 446  * _attr_type: Type of the attribute (enum __bt_plugin_descriptor_attribute_type).
 447  * _id:        Plugin descriptor ID (C identifier).
 448  * _x:         Value.
 449  */
 450 #define __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _x) \
 451         static struct __bt_plugin_descriptor_attribute __bt_plugin_descriptor_attribute_##_id##_##_attr_name = { \
 452                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 453                 .type_name = #_attr_name,                               \
 454                 .type = _attr_type,                                     \
 455                 .value = { ._attr_name = _x },                          \
 456         };                                                              \
 457         static struct __bt_plugin_descriptor_attribute const * const __bt_plugin_descriptor_attribute_##_id##_##_attr_name##_ptr __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS = &__bt_plugin_descriptor_attribute_##_id##_##_attr_name
 458
 459 /*
 460  * Defines a plugin initialization function attribute attached to a
 461  * specific plugin descriptor.
 462  *
 463  * _id: Plugin descriptor ID (C identifier).
 464  * _x:  Initialization function (bt_plugin_initialize_func).
 465  */
 466 #define BT_PLUGIN_INITIALIZE_WITH_ID(_id, _x) \
 467         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(init, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_INIT, _id, _x)
 468
 469 /*
 470  * Defines a plugin exit function attribute attached to a specific
 471  * plugin descriptor.
 472  *
 473  * _id: Plugin descriptor ID (C identifier).
 474  * _x:  Exit function (bt_plugin_finalize_func).
 475  */
 476 #define BT_PLUGIN_FINALIZE_WITH_ID(_id, _x) \
 477         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(exit, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_EXIT, _id, _x)
 478
 479 /*
 480  * Defines an author attribute attached to a specific plugin descriptor.
 481  *
 482  * _id: Plugin descriptor ID (C identifier).
 483  * _x:  Author (C string).
 484  */
 485 #define BT_PLUGIN_AUTHOR_WITH_ID(_id, _x) \
 486         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(author, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_AUTHOR, _id, _x)
 487
 488 /*
 489  * Defines a license attribute attached to a specific plugin descriptor.
 490  *
 491  * _id: Plugin descriptor ID (C identifier).
 492  * _x:  License (C string).
 493  */
 494 #define BT_PLUGIN_LICENSE_WITH_ID(_id, _x) \
 495         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(license, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_LICENSE, _id, _x)
 496
 497 /*
 498  * Defines a description attribute attached to a specific plugin
 499  * descriptor.
 500  *
 501  * _id: Plugin descriptor ID (C identifier).
 502  * _x:  Description (C string).
 503  */
 504 #define BT_PLUGIN_DESCRIPTION_WITH_ID(_id, _x) \
 505         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _x)
 506
 507 #define __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra) \
 508         {.major = _major, .minor = _minor, .patch = _patch, .extra = _extra,}
 509
 510 /*
 511  * Defines a version attribute attached to a specific plugin descriptor.
 512  *
 513  * _id:    Plugin descriptor ID (C identifier).
 514  * _major: Plugin's major version (uint32_t).
 515  * _minor: Plugin's minor version (uint32_t).
 516  * _patch: Plugin's patch version (uint32_t).
 517  * _extra: Plugin's version extra information (C string).
 518  */
 519 #define BT_PLUGIN_VERSION_WITH_ID(_id, _major, _minor, _patch, _extra) \
 520         __BT_PLUGIN_DESCRIPTOR_ATTRIBUTE(version, BT_PLUGIN_DESCRIPTOR_ATTRIBUTE_TYPE_VERSION, _id, __BT_PLUGIN_VERSION_STRUCT_VALUE(_major, _minor, _patch, _extra))
 521
 522 /*
 523  * Defines a source component class descriptor with a custom ID.
 524  *
 525  * _id:                     ID (any valid C identifier except `auto`).
 526  * _comp_class_id:          Component class ID (C identifier).
 527  * _name:                   Component class name (C string).
 528  * _msg_iter_next_method: Component class's iterator next method
 529  *                          (bt_component_class_source_message_iterator_next_method).
 530  */
 531 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _msg_iter_next_method) \
 532         static struct __bt_plugin_component_class_descriptor __bt_plugin_source_component_class_descriptor_##_id##_##_comp_class_id = { \
 533                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,                     \
 534                 .name = _name,                                                          \
 535                 .type = BT_COMPONENT_CLASS_TYPE_SOURCE,                                 \
 536                 .methods = { .source = { .msg_iter_next = _msg_iter_next_method } },    \
 537         };                                                                              \
 538         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_source_component_class_descriptor_##_id##_##_comp_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_source_component_class_descriptor_##_id##_##_comp_class_id
 539
 540 /*
 541  * Defines a filter component class descriptor with a custom ID.
 542  *
 543  * _id:                     ID (any valid C identifier except `auto`).
 544  * _comp_class_id:          Component class ID (C identifier).
 545  * _name:                   Component class name (C string).
 546  * _msg_iter_next_method: Component class's iterator next method
 547  *                          (bt_component_class_filter_message_iterator_next_method).
 548  */
 549 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _msg_iter_next_method) \
 550         static struct __bt_plugin_component_class_descriptor __bt_plugin_filter_component_class_descriptor_##_id##_##_comp_class_id = { \
 551                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,                     \
 552                 .name = _name,                                                          \
 553                 .type = BT_COMPONENT_CLASS_TYPE_FILTER,                                 \
 554                 .methods = { .filter = { .msg_iter_next = _msg_iter_next_method } },    \
 555         };                                                                              \
 556         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_filter_component_class_descriptor_##_id##_##_comp_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_filter_component_class_descriptor_##_id##_##_comp_class_id
 557
 558 /*
 559  * Defines a sink component class descriptor with a custom ID.
 560  *
 561  * _id:                 ID (any valid C identifier except `auto`).
 562  * _comp_class_id:      Component class ID (C identifier).
 563  * _name:               Component class name (C string).
 564  * _consume_method:     Component class's iterator consume method
 565  *                      (bt_component_class_sink_consume_method).
 566  */
 567 #define BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(_id, _comp_class_id, _name, _consume_method) \
 568         static struct __bt_plugin_component_class_descriptor __bt_plugin_sink_component_class_descriptor_##_id##_##_comp_class_id = { \
 569                 .plugin_descriptor = &__bt_plugin_descriptor_##_id,     \
 570                 .name = _name,                                          \
 571                 .type = BT_COMPONENT_CLASS_TYPE_SINK,                   \
 572                 .methods = { .sink = { .consume = _consume_method } },  \
 573         };                                                              \
 574         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_sink_component_class_descriptor_##_id##_##_comp_class_id##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = &__bt_plugin_sink_component_class_descriptor_##_id##_##_comp_class_id
 575
 576 /*
 577  * Defines a component class descriptor attribute (generic, internal
 578  * use).
 579  *
 580  * _id:            Plugin descriptor ID (C identifier).
 581  * _comp_class_id: Component class ID (C identifier).
 582  * _type:          Component class type (`source`, `filter`, or `sink`).
 583  * _attr_name:     Name of the attribute (C identifier).
 584  * _attr_type:     Type of the attribute
 585  *                 (enum __bt_plugin_descriptor_attribute_type).
 586  * _x:             Value.
 587  */
 588 #define __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(_attr_name, _attr_type, _id, _comp_class_id, _type, _x) \
 589         static struct __bt_plugin_component_class_descriptor_attribute __bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_comp_class_id##_##_attr_name = { \
 590                 .comp_class_descriptor = &__bt_plugin_##_type##_component_class_descriptor_##_id##_##_comp_class_id, \
 591                 .type_name = #_attr_name,                               \
 592                 .type = _attr_type,                                     \
 593                 .value = { ._attr_name = _x },                          \
 594         };                                                              \
 595         static struct __bt_plugin_component_class_descriptor_attribute const * const __bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_comp_class_id##_##_attr_name##_ptr __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS = &__bt_plugin_##_type##_component_class_descriptor_attribute_##_id##_##_comp_class_id##_##_attr_name
 596
 597 /*
 598  * Defines a description attribute attached to a specific source
 599  * component class descriptor.
 600  *
 601  * _id:            Plugin descriptor ID (C identifier).
 602  * _comp_class_id: Component class descriptor ID (C identifier).
 603  * _x:             Description (C string).
 604  */
 605 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 606         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, source, _x)
 607
 608 /*
 609  * Defines a description attribute attached to a specific filter
 610  * component class descriptor.
 611  *
 612  * _id:            Plugin descriptor ID (C identifier).
 613  * _comp_class_id: Component class descriptor ID (C identifier).
 614  * _x:             Description (C string).
 615  */
 616 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 617         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, filter, _x)
 618
 619 /*
 620  * Defines a description attribute attached to a specific sink
 621  * component class descriptor.
 622  *
 623  * _id:            Plugin descriptor ID (C identifier).
 624  * _comp_class_id: Component class descriptor ID (C identifier).
 625  * _x:             Description (C string).
 626  */
 627 #define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(_id, _comp_class_id, _x) \
 628         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(description, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_DESCRIPTION, _id, _comp_class_id, sink, _x)
 629
 630 /*
 631  * Defines a help attribute attached to a specific source component
 632  * class descriptor.
 633  *
 634  * _id:            Plugin descriptor ID (C identifier).
 635  * _comp_class_id: Component class descriptor ID (C identifier).
 636  * _x:             Help (C string).
 637  */
 638 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 639         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, source, _x)
 640
 641 /*
 642  * Defines a help attribute attached to a specific filter component
 643  * class descriptor.
 644  *
 645  * _id:            Plugin descriptor ID (C identifier).
 646  * _comp_class_id: Component class descriptor ID (C identifier).
 647  * _x:             Help (C string).
 648  */
 649 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 650         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, filter, _x)
 651
 652 /*
 653  * Defines a help attribute attached to a specific sink component class
 654  * descriptor.
 655  *
 656  * _id:            Plugin descriptor ID (C identifier).
 657  * _comp_class_id: Component class descriptor ID (C identifier).
 658  * _x:             Help (C string).
 659  */
 660 #define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(_id, _comp_class_id, _x) \
 661         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(help, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_HELP, _id, _comp_class_id, sink, _x)
 662
 663 /*
 664  * Defines an initialization method attribute attached to a specific
 665  * source component class descriptor.
 666  *
 667  * _id:            Plugin descriptor ID (C identifier).
 668  * _comp_class_id: Component class descriptor ID (C identifier).
 669  * _x:             Initialization method (bt_component_class_source_initialize_method).
 670  */
 671 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 672         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_initialize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INITIALIZE_METHOD, _id, _comp_class_id, source, _x)
 673
 674 /*
 675  * Defines an initialization method attribute attached to a specific
 676  * filter component class descriptor.
 677  *
 678  * _id:            Plugin descriptor ID (C identifier).
 679  * _comp_class_id: Component class descriptor ID (C identifier).
 680  * _x:             Initialization method (bt_component_class_filter_initialize_method).
 681  */
 682 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 683         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_initialize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INITIALIZE_METHOD, _id, _comp_class_id, filter, _x)
 684
 685 /*
 686  * Defines an initialization method attribute attached to a specific
 687  * sink component class descriptor.
 688  *
 689  * _id:            Plugin descriptor ID (C identifier).
 690  * _comp_class_id: Component class descriptor ID (C identifier).
 691  * _x:             Initialization method (bt_component_class_sink_initialize_method).
 692  */
 693 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 694         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_initialize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INITIALIZE_METHOD, _id, _comp_class_id, sink, _x)
 695
 696 /*
 697  * Defines a "get supported MIP versions" attribute attached to a
 698  * specific source component class descriptor.
 699  *
 700  * _id:            Plugin descriptor ID (C identifier).
 701  * _comp_class_id: Component class descriptor ID (C identifier).
 702  * _x:             "Get supported MIP versions" method (bt_component_class_source_get_supported_mip_versions_method).
 703  */
 704 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_WITH_ID(_id, _comp_class_id, _x) \
 705         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS, _id, _comp_class_id, source, _x)
 706
 707 /*
 708  * Defines a "get supported MIP versions" attribute attached to a
 709  * specific filter component class descriptor.
 710  *
 711  * _id:            Plugin descriptor ID (C identifier).
 712  * _comp_class_id: Component class descriptor ID (C identifier).
 713  * _x:             "Get supported MIP versions" method (bt_component_class_filter_get_supported_mip_versions_method).
 714  */
 715 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_WITH_ID(_id, _comp_class_id, _x) \
 716         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS, _id, _comp_class_id, filter, _x)
 717
 718 /*
 719  * Defines a "get supported MIP versions" attribute attached to a
 720  * specific sink component class descriptor.
 721  *
 722  * _id:            Plugin descriptor ID (C identifier).
 723  * _comp_class_id: Component class descriptor ID (C identifier).
 724  * _x:             "Get supported MIP versions" method (bt_component_class_sink_get_supported_mip_versions_method).
 725  */
 726 #define BT_PLUGIN_SINK_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_WITH_ID(_id, _comp_class_id, _x) \
 727         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_get_supported_mip_versions_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GET_SUPPORTED_MIP_VERSIONS, _id, _comp_class_id, sink, _x)
 728
 729 /*
 730  * Defines a finalization method attribute attached to a specific source
 731  * component class descriptor.
 732  *
 733  * _id:            Plugin descriptor ID (C identifier).
 734  * _comp_class_id: Component class descriptor ID (C identifier).
 735  * _x:             Finalize method (bt_component_class_source_finalize_method).
 736  */
 737 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 738         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, source, _x)
 739
 740 /*
 741  * Defines a finalization method attribute attached to a specific filter
 742  * component class descriptor.
 743  *
 744  * _id:            Plugin descriptor ID (C identifier).
 745  * _comp_class_id: Component class descriptor ID (C identifier).
 746  * _x:             Finalize method (bt_component_class_filter_finalize_method).
 747  */
 748 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 749         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, filter, _x)
 750
 751 /*
 752  * Defines a finalization method attribute attached to a specific sink
 753  * component class descriptor.
 754  *
 755  * _id:            Plugin descriptor ID (C identifier).
 756  * _comp_class_id: Component class descriptor ID (C identifier).
 757  * _x:             Finalize method (bt_component_class_sink_finalize_method).
 758  */
 759 #define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 760         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_FINALIZE_METHOD, _id, _comp_class_id, sink, _x)
 761
 762 /*
 763  * Defines a query method attribute attached to a specific source
 764  * component class descriptor.
 765  *
 766  * _id:            Plugin descriptor ID (C identifier).
 767  * _comp_class_id: Component class descriptor ID (C identifier).
 768  * _x:             Finalize method (bt_component_class_source_query_method).
 769  */
 770 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 771         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, source, _x)
 772
 773 /*
 774  * Defines a query method attribute attached to a specific filter
 775  * component class descriptor.
 776  *
 777  * _id:            Plugin descriptor ID (C identifier).
 778  * _comp_class_id: Component class descriptor ID (C identifier).
 779  * _x:             Finalize method (bt_component_class_filter_query_method).
 780  */
 781 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 782         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, filter, _x)
 783
 784 /*
 785  * Defines a query method attribute attached to a specific sink
 786  * component class descriptor.
 787  *
 788  * _id:            Plugin descriptor ID (C identifier).
 789  * _comp_class_id: Component class descriptor ID (C identifier).
 790  * _x:             Finalize method (bt_component_class_sink_query_method).
 791  */
 792 #define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 793         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_query_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_QUERY_METHOD, _id, _comp_class_id, sink, _x)
 794
 795 /*
 796  * Defines an input port connected method attribute attached to a
 797  * specific filter component class descriptor.
 798  *
 799  * _id:            Plugin descriptor ID (C identifier).
 800  * _comp_class_id: Component class descriptor ID (C identifier).
 801  * _x:             Port connected method
 802  *                 (bt_component_class_filter_input_port_connected_method).
 803  */
 804 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 805         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_input_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, filter, _x)
 806
 807 /*
 808  * Defines an input port connected method attribute attached to a
 809  * specific sink component class descriptor.
 810  *
 811  * _id:            Plugin descriptor ID (C identifier).
 812  * _comp_class_id: Component class descriptor ID (C identifier).
 813  * _x:             Port connected method
 814  *                 (bt_component_class_sink_input_port_connected_method).
 815  */
 816 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 817         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_input_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_INPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, sink, _x)
 818
 819 /*
 820  * Defines an output port connected method attribute attached to a
 821  * specific source component class descriptor.
 822  *
 823  * _id:            Plugin descriptor ID (C identifier).
 824  * _comp_class_id: Component class descriptor ID (C identifier).
 825  * _x:             Port connected method
 826  *                 (bt_component_class_source_output_port_connected_method).
 827  */
 828 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 829         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_output_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, source, _x)
 830
 831 /*
 832  * Defines an output port connected method attribute attached to a
 833  * specific filter component class descriptor.
 834  *
 835  * _id:            Plugin descriptor ID (C identifier).
 836  * _comp_class_id: Component class descriptor ID (C identifier).
 837  * _x:             Port connected method
 838  *                 (bt_component_class_filter_output_port_connected_method).
 839  */
 840 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 841         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_output_port_connected_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_OUTPUT_PORT_CONNECTED_METHOD, _id, _comp_class_id, filter, _x)
 842
 843 /*
 844  * Defines a "graph is configured" method attribute attached to a
 845  * specific sink component class descriptor.
 846  *
 847  * _id:            Plugin descriptor ID (C identifier).
 848  * _comp_class_id: Component class descriptor ID (C identifier).
 849  * _x:             "Graph is configured" method
 850  *                 (bt_component_class_sink_graph_is_configured_method).
 851  */
 852 #define BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 853         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(sink_graph_is_configured_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_GRAPH_IS_CONFIGURED_METHOD, _id, _comp_class_id, sink, _x)
 854
 855 /*
 856  * Defines an iterator initialization method attribute attached to a
 857  * specific source component class descriptor.
 858  *
 859  * _id:            Plugin descriptor ID (C identifier).
 860  * _comp_class_id: Component class descriptor ID (C identifier).
 861  * _x:             Iterator initialization method
 862  *                 (bt_component_class_source_message_iterator_initialize_method).
 863  */
 864 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 865         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_initialize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INITIALIZE_METHOD, _id, _comp_class_id, source, _x)
 866
 867 /*
 868  * Defines an iterator finalize method attribute attached to a specific
 869  * source component class descriptor.
 870  *
 871  * _id:            Plugin descriptor ID (C identifier).
 872  * _comp_class_id: Component class descriptor ID (C identifier).
 873  * _x:             Iterator finalize method
 874  *                 (bt_component_class_source_message_iterator_finalize_method).
 875  */
 876 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 877         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD, _id, _comp_class_id, source, _x)
 878
 879 /*
 880  * Defines an iterator "seek nanoseconds from origin" method attribute
 881  * attached to a specific source component class descriptor.
 882  *
 883  * _id:            Plugin descriptor ID (C identifier).
 884  * _comp_class_id: Component class descriptor ID (C identifier).
 885  * _x:             Iterator "seek nanoseconds from origin" method
 886  *                 (bt_component_class_source_message_iterator_seek_ns_from_origin_method).
 887  */
 888 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 889         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, source, _x)
 890
 891 /*
 892  * Defines an iterator "seek beginning" method attribute attached to a
 893  * specific source component class descriptor.
 894  *
 895  * _id:            Plugin descriptor ID (C identifier).
 896  * _comp_class_id: Component class descriptor ID (C identifier).
 897  * _x:             Iterator "seek beginning" method
 898  *                 (bt_component_class_source_message_iterator_seek_beginning_method).
 899  */
 900 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 901         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD, _id, _comp_class_id, source, _x)
 902
 903 /*
 904  * Defines an iterator "can seek nanoseconds from origin" method
 905  * attribute attached to a specific source component class descriptor.
 906  *
 907  * _id:            Plugin descriptor ID (C identifier).
 908  * _comp_class_id: Component class descriptor ID (C identifier).
 909  * _x:             Iterator "can seek nanoseconds from origin" method
 910  *                 (bt_component_class_source_message_iterator_can_seek_ns_from_origin_method).
 911  */
 912 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 913         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_can_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, source, _x)
 914
 915 /*
 916  * Defines an iterator "can seek beginning" method attribute attached to a
 917  * specific source component class descriptor.
 918  *
 919  * _id:            Plugin descriptor ID (C identifier).
 920  * _comp_class_id: Component class descriptor ID (C identifier).
 921  * _x:             Iterator "can seek beginning" method
 922  *                 (bt_component_class_source_message_iterator_can_seek_beginning_method).
 923  */
 924 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 925         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(source_msg_iter_can_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD, _id, _comp_class_id, source, _x)
 926
 927 /*
 928  * Defines an iterator initialization method attribute attached to a
 929  * specific filter component class descriptor.
 930  *
 931  * _id:            Plugin descriptor ID (C identifier).
 932  * _comp_class_id: Component class descriptor ID (C identifier).
 933  * _x:             Iterator initialization method
 934  *                 (bt_component_class_filter_message_iterator_initialize_method).
 935  */
 936 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 937         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_initialize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_INITIALIZE_METHOD, _id, _comp_class_id, filter, _x)
 938
 939 /*
 940  * Defines an iterator finalize method attribute attached to a specific
 941  * filter component class descriptor.
 942  *
 943  * _id:            Plugin descriptor ID (C identifier).
 944  * _comp_class_id: Component class descriptor ID (C identifier).
 945  * _x:             Iterator finalize method
 946  *                 (bt_component_class_filter_message_iterator_finalize_method).
 947  */
 948 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 949         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_finalize_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_FINALIZE_METHOD, _id, _comp_class_id, filter, _x)
 950
 951 /*
 952  * Defines an iterator "seek nanoseconds from origin" method attribute
 953  * attached to a specific filter component class descriptor.
 954  *
 955  * _id:            Plugin descriptor ID (C identifier).
 956  * _comp_class_id: Component class descriptor ID (C identifier).
 957  * _x:             Iterator "seek nanoseconds from origin" method
 958  *                 (bt_component_class_filter_message_iterator_seek_ns_from_origin_method).
 959  */
 960 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 961         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, filter, _x)
 962
 963 /*
 964  * Defines an iterator "seek beginning" method attribute attached to a
 965  * specific filter component class descriptor.
 966  *
 967  * _id:            Plugin descriptor ID (C identifier).
 968  * _comp_class_id: Component class descriptor ID (C identifier).
 969  * _x:             Iterator "seek beginning" method
 970  *                 (bt_component_class_filter_message_iterator_seek_beginning_method).
 971  */
 972 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 973         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_SEEK_BEGINNING_METHOD, _id, _comp_class_id, filter, _x)
 974
 975 /*
 976  * Defines an iterator "can seek nanoseconds from origin" method
 977  * attribute attached to a specific filter component class descriptor.
 978  *
 979  * _id:            Plugin descriptor ID (C identifier).
 980  * _comp_class_id: Component class descriptor ID (C identifier).
 981  * _x:             Iterator "can seek nanoseconds from origin" method
 982  *                 (bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method).
 983  */
 984 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 985         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_can_seek_ns_from_origin_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_NS_FROM_ORIGIN_METHOD, _id, _comp_class_id, filter, _x)
 986
 987 /*
 988  * Defines an iterator "can seek beginning" method attribute attached to a
 989  * specific filter component class descriptor.
 990  *
 991  * _id:            Plugin descriptor ID (C identifier).
 992  * _comp_class_id: Component class descriptor ID (C identifier).
 993  * _x:             Iterator "can seek beginning" method
 994  *                 (bt_component_class_filter_message_iterator_can_seek_beginning_method).
 995  */
 996 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(_id, _comp_class_id, _x) \
 997         __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE(filter_msg_iter_can_seek_beginning_method, BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTE_TYPE_MSG_ITER_CAN_SEEK_BEGINNING_METHOD, _id, _comp_class_id, filter, _x)
 998
 999 /*
1000  * Defines a plugin descriptor with an automatic ID.
1001  *
1002  * _name: Plugin's name (C string).
1003  */
1004 #define BT_PLUGIN(_name)                static BT_PLUGIN_WITH_ID(auto, #_name)
1005
1006 /*
1007  * Defines a plugin initialization function attribute attached to the
1008  * automatic plugin descriptor.
1009  *
1010  * _x: Initialization function (bt_plugin_initialize_func).
1011  */
1012 #define BT_PLUGIN_INITIALIZE(_x)        BT_PLUGIN_INITIALIZE_WITH_ID(auto, _x)
1013
1014  /*
1015  * Defines a plugin exit function attribute attached to the automatic
1016  * plugin descriptor.
1017  *
1018  * _x: Exit function (bt_plugin_finalize_func).
1019  */
1020 #define BT_PLUGIN_FINALIZE(_x)          BT_PLUGIN_FINALIZE_WITH_ID(auto, _x)
1021
1022 /*
1023  * Defines an author attribute attached to the automatic plugin
1024  * descriptor.
1025  *
1026  * _x: Author (C string).
1027  */
1028 #define BT_PLUGIN_AUTHOR(_x)            BT_PLUGIN_AUTHOR_WITH_ID(auto, _x)
1029
1030 /*
1031  * Defines a license attribute attached to the automatic plugin
1032  * descriptor.
1033  *
1034  * _x: License (C string).
1035  */
1036 #define BT_PLUGIN_LICENSE(_x)           BT_PLUGIN_LICENSE_WITH_ID(auto, _x)
1037
1038 /*
1039  * Defines a description attribute attached to the automatic plugin
1040  * descriptor.
1041  *
1042  * _x: Description (C string).
1043  */
1044 #define BT_PLUGIN_DESCRIPTION(_x)       BT_PLUGIN_DESCRIPTION_WITH_ID(auto, _x)
1045
1046 /*
1047  * Defines a version attribute attached to the automatic plugin
1048  * descriptor.
1049  *
1050  * _major: Plugin's major version (uint32_t).
1051  * _minor: Plugin's minor version (uint32_t).
1052  * _patch: Plugin's patch version (uint32_t).
1053  * _extra: Plugin's version extra information (C string).
1054  */
1055 #define BT_PLUGIN_VERSION(_major, _minor, _patch, _extra) BT_PLUGIN_VERSION_WITH_ID(auto, _major, _minor, _patch, _extra)
1056
1057 /*
1058  * Defines a source component class attached to the automatic plugin
1059  * descriptor. Its ID is the same as its name, hence its name must be a
1060  * C identifier in this version.
1061  *
1062  * _name:                   Component class name (C identifier).
1063  * _msg_iter_next_method: Component class's iterator next method
1064  *                          (bt_component_class_source_message_iterator_next_method).
1065  */
1066 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS(_name, _msg_iter_next_method) \
1067         BT_PLUGIN_SOURCE_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _msg_iter_next_method)
1068
1069 /*
1070  * Defines a filter component class attached to the automatic plugin
1071  * descriptor. Its ID is the same as its name, hence its name must be a
1072  * C identifier in this version.
1073  *
1074  * _name:                   Component class name (C identifier).
1075  * _msg_iter_next_method: Component class's iterator next method
1076  *                          (bt_component_class_filter_message_iterator_next_method).
1077  */
1078 #define BT_PLUGIN_FILTER_COMPONENT_CLASS(_name, _msg_iter_next_method) \
1079         BT_PLUGIN_FILTER_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _msg_iter_next_method)
1080
1081 /*
1082  * Defines a sink component class attached to the automatic plugin
1083  * descriptor. Its ID is the same as its name, hence its name must be a
1084  * C identifier in this version.
1085  *
1086  * _name:           Component class name (C identifier).
1087  * _consume_method: Component class's consume method
1088  *                  (bt_component_class_sink_consume_method).
1089  */
1090 #define BT_PLUGIN_SINK_COMPONENT_CLASS(_name, _consume_method) \
1091         BT_PLUGIN_SINK_COMPONENT_CLASS_WITH_ID(auto, _name, #_name, _consume_method)
1092
1093 /*
1094  * Defines a description attribute attached to a source component class
1095  * descriptor which is attached to the automatic plugin descriptor.
1096  *
1097  * _name: Component class name (C identifier).
1098  * _x:    Description (C string).
1099  */
1100 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1101         BT_PLUGIN_SOURCE_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1102
1103 /*
1104  * Defines a description attribute attached to a filter component class
1105  * descriptor which is attached to the automatic plugin descriptor.
1106  *
1107  * _name: Component class name (C identifier).
1108  * _x:    Description (C string).
1109  */
1110 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1111         BT_PLUGIN_FILTER_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1112
1113 /*
1114  * Defines a description attribute attached to a sink component class
1115  * descriptor which is attached to the automatic plugin descriptor.
1116  *
1117  * _name: Component class name (C identifier).
1118  * _x:    Description (C string).
1119  */
1120 #define BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION(_name, _x) \
1121         BT_PLUGIN_SINK_COMPONENT_CLASS_DESCRIPTION_WITH_ID(auto, _name, _x)
1122
1123 /*
1124  * Defines a help attribute attached to a source component class
1125  * descriptor which is attached to the automatic plugin descriptor.
1126  *
1127  * _name: Component class name (C identifier).
1128  * _x:    Help (C string).
1129  */
1130 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP(_name, _x) \
1131         BT_PLUGIN_SOURCE_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1132
1133 /*
1134  * Defines a help attribute attached to a filter component class
1135  * descriptor which is attached to the automatic plugin descriptor.
1136  *
1137  * _name: Component class name (C identifier).
1138  * _x:    Help (C string).
1139  */
1140 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP(_name, _x) \
1141         BT_PLUGIN_FILTER_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1142
1143 /*
1144  * Defines a help attribute attached to a sink component class
1145  * descriptor which is attached to the automatic plugin descriptor.
1146  *
1147  * _name: Component class name (C identifier).
1148  * _x:    Help (C string).
1149  */
1150 #define BT_PLUGIN_SINK_COMPONENT_CLASS_HELP(_name, _x) \
1151         BT_PLUGIN_SINK_COMPONENT_CLASS_HELP_WITH_ID(auto, _name, _x)
1152
1153 /*
1154  * Defines an initialization method attribute attached to a source
1155  * component class descriptor which is attached to the automatic plugin
1156  * descriptor.
1157  *
1158  * _name: Component class name (C identifier).
1159  * _x:    Initialization method (bt_component_class_source_initialize_method).
1160  */
1161 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_INITIALIZE_METHOD(_name, _x) \
1162         BT_PLUGIN_SOURCE_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(auto, _name, _x)
1163
1164 /*
1165  * Defines an initialization method attribute attached to a filter
1166  * component class descriptor which is attached to the automatic plugin
1167  * descriptor.
1168  *
1169  * _name: Component class name (C identifier).
1170  * _x:    Initialization method (bt_component_class_filter_initialize_method).
1171  */
1172 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INITIALIZE_METHOD(_name, _x) \
1173         BT_PLUGIN_FILTER_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(auto, _name, _x)
1174
1175 /*
1176  * Defines an initialization method attribute attached to a sink
1177  * component class descriptor which is attached to the automatic plugin
1178  * descriptor.
1179  *
1180  * _name: Component class name (C identifier).
1181  * _x:    Initialization method (bt_component_class_sink_initialize_method).
1182  */
1183 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INITIALIZE_METHOD(_name, _x) \
1184         BT_PLUGIN_SINK_COMPONENT_CLASS_INITIALIZE_METHOD_WITH_ID(auto, _name, _x)
1185
1186 /*
1187  * Defines a "get supported MIP versions" method attribute attached to a
1188  * source component class descriptor which is attached to the automatic
1189  * plugin descriptor.
1190  *
1191  * _name: Component class name (C identifier).
1192  * _x:    Initialization method (bt_component_class_source_get_supported_mip_versions_method).
1193  */
1194 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD(_name, _x) \
1195         BT_PLUGIN_SOURCE_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(auto, _name, _x)
1196
1197 /*
1198  * Defines a "get supported MIP versions" method attribute attached to a
1199  * filter component class descriptor which is attached to the automatic
1200  * plugin descriptor.
1201  *
1202  * _name: Component class name (C identifier).
1203  * _x:    Initialization method (bt_component_class_filter_get_supported_mip_versions_method).
1204  */
1205 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD(_name, _x) \
1206         BT_PLUGIN_FILTER_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(auto, _name, _x)
1207
1208 /*
1209  * Defines a "get supported MIP versions" method attribute attached to a
1210  * sink component class descriptor which is attached to the automatic
1211  * plugin descriptor.
1212  *
1213  * _name: Component class name (C identifier).
1214  * _x:    Initialization method (bt_component_class_sink_get_supported_mip_versions_method).
1215  */
1216 #define BT_PLUGIN_SINK_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD(_name, _x) \
1217         BT_PLUGIN_SINK_COMPONENT_CLASS_GET_SUPPORTED_MIP_VERSIONS_METHOD_WITH_ID(auto, _name, _x)
1218
1219 /*
1220  * Defines a finalization method attribute attached to a source component
1221  * class descriptor which is attached to the automatic plugin
1222  * descriptor.
1223  *
1224  * _name: Component class name (C identifier).
1225  * _x:    Initialization method (bt_component_class_source_finalize_method).
1226  */
1227 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1228         BT_PLUGIN_SOURCE_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1229
1230 /*
1231  * Defines a finalization method attribute attached to a filter component
1232  * class descriptor which is attached to the automatic plugin
1233  * descriptor.
1234  *
1235  * _name: Component class name (C identifier).
1236  * _x:    Initialization method (bt_component_class_filter_finalize_method).
1237  */
1238 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1239         BT_PLUGIN_FILTER_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1240
1241 /*
1242  * Defines a finalization method attribute attached to a sink component class
1243  * descriptor which is attached to the automatic plugin descriptor.
1244  *
1245  * _name: Component class name (C identifier).
1246  * _x:    Initialization method (bt_component_class_sink_finalize_method).
1247  */
1248 #define BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD(_name, _x) \
1249         BT_PLUGIN_SINK_COMPONENT_CLASS_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1250
1251 /*
1252  * Defines a query method attribute attached to a source component
1253  * class descriptor which is attached to the automatic plugin
1254  * descriptor.
1255  *
1256  * _name: Component class name (C identifier).
1257  * _x:    Initialization method (bt_component_class_source_query_method).
1258  */
1259 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1260         BT_PLUGIN_SOURCE_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1261
1262 /*
1263  * Defines a query method attribute attached to a filter component
1264  * class descriptor which is attached to the automatic plugin
1265  * descriptor.
1266  *
1267  * _name: Component class name (C identifier).
1268  * _x:    Initialization method (bt_component_class_filter_query_method).
1269  */
1270 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1271         BT_PLUGIN_FILTER_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1272
1273 /*
1274  * Defines a query method attribute attached to a sink component
1275  * class descriptor which is attached to the automatic plugin
1276  * descriptor.
1277  *
1278  * _name: Component class name (C identifier).
1279  * _x:    Initialization method (bt_component_class_sink_query_method).
1280  */
1281 #define BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD(_name, _x) \
1282         BT_PLUGIN_SINK_COMPONENT_CLASS_QUERY_METHOD_WITH_ID(auto, _name, _x)
1283
1284 /*
1285  * Defines an input port connected method attribute attached to a filter
1286  * component class descriptor which is attached to the automatic plugin
1287  * descriptor.
1288  *
1289  * _name: Component class name (C identifier).
1290  * _x:    Port connected (bt_component_class_filter_input_port_connected_method).
1291  */
1292 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _x) \
1293         BT_PLUGIN_FILTER_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1294
1295 /*
1296  * Defines an input port connected method attribute attached to a sink
1297  * component class descriptor which is attached to the automatic plugin
1298  * descriptor.
1299  *
1300  * _name: Component class name (C identifier).
1301  * _x:    Port connected (bt_component_class_sink_input_port_connected_method).
1302  */
1303 #define BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD(_name, _x) \
1304         BT_PLUGIN_SINK_COMPONENT_CLASS_INPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1305
1306 /*
1307  * Defines an output port connected method attribute attached to a source
1308  * component class descriptor which is attached to the automatic plugin
1309  * descriptor.
1310  *
1311  * _name: Component class name (C identifier).
1312  * _x:    Port connected (bt_component_class_source_output_port_connected_method).
1313  */
1314 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _x) \
1315         BT_PLUGIN_SOURCE_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1316
1317 /*
1318  * Defines an output port connected method attribute attached to a filter
1319  * component class descriptor which is attached to the automatic plugin
1320  * descriptor.
1321  *
1322  * _name: Component class name (C identifier).
1323  * _x:    Port connected (bt_component_class_filter_output_port_connected_method).
1324  */
1325 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD(_name, _x) \
1326         BT_PLUGIN_FILTER_COMPONENT_CLASS_OUTPUT_PORT_CONNECTED_METHOD_WITH_ID(auto, _name, _x)
1327
1328 /*
1329  * Defines a "graph is configured" method attribute attached to
1330  * a sink component class descriptor which is attached to the automatic
1331  * plugin descriptor.
1332  *
1333  * _name: Component class name (C identifier).
1334  * _x:    "Graph is configured" method
1335  *        (bt_component_class_sink_graph_is_configured_method).
1336  */
1337 #define BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD(_name, _x) \
1338         BT_PLUGIN_SINK_COMPONENT_CLASS_GRAPH_IS_CONFIGURED_METHOD_WITH_ID(auto, _name, _x)
1339
1340 /*
1341  * Defines an iterator initialization method attribute attached to a
1342  * source component class descriptor which is attached to the automatic
1343  * plugin descriptor.
1344  *
1345  * _name: Component class name (C identifier).
1346  * _x:    Iterator initialization method
1347  *        (bt_component_class_source_message_iterator_initialize_method).
1348  */
1349 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD(_name, _x) \
1350         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_WITH_ID(auto, _name, _x)
1351
1352 /*
1353  * Defines an iterator finalize method attribute attached to a source
1354  * component class descriptor which is attached to the automatic plugin
1355  * descriptor.
1356  *
1357  * _name: Component class name (C identifier).
1358  * _x:    Iterator finalize method
1359  *        (bt_component_class_source_message_iterator_finalize_method).
1360  */
1361 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
1362         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1363
1364 /*
1365  * Defines an iterator "seek nanoseconds from origin" method attribute
1366  * attached to a source component class descriptor which is attached to
1367  * the automatic plugin descriptor.
1368  *
1369  * _name: Component class name (C identifier).
1370  * _x:    Iterator "seek nanoseconds from origin" method
1371  *        (bt_component_class_source_message_iterator_seek_ns_from_origin_method).
1372  */
1373 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1374         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1375
1376 /*
1377  * Defines an iterator "seek beginning" method attribute
1378  * attached to a source component class descriptor which is attached to
1379  * the automatic plugin descriptor.
1380  *
1381  * _name: Component class name (C identifier).
1382  * _x:    Iterator "seek beginning" method
1383  *        (bt_component_class_source_message_iterator_seek_beginning_method).
1384  */
1385 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD(_name, _x) \
1386         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1387
1388 /*
1389  * Defines an iterator "can seek nanoseconds from origin" method
1390  * attribute attached to a source component class descriptor which is
1391  * attached to the automatic plugin descriptor.
1392  *
1393  * _name: Component class name (C identifier).
1394  * _x:    Iterator "can seek nanoseconds from origin" method
1395  *        (bt_component_class_source_message_iterator_can_seek_ns_from_origin_method).
1396  */
1397 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1398         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1399
1400 /*
1401  * Defines an iterator "can seek beginning" method attribute
1402  * attached to a source component class descriptor which is attached to
1403  * the automatic plugin descriptor.
1404  *
1405  * _name: Component class name (C identifier).
1406  * _x:    Iterator "can seek beginning" method
1407  *        (bt_component_class_source_message_iterator_can_seek_beginning_method).
1408  */
1409 #define BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD(_name, _x) \
1410         BT_PLUGIN_SOURCE_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1411
1412 /*
1413  * Defines an iterator initialization method attribute attached to a
1414  * filter component class descriptor which is attached to the automatic
1415  * plugin descriptor.
1416  *
1417  * _name: Component class name (C identifier).
1418  * _x:    Iterator initialization method
1419  *        (bt_component_class_filter_message_iterator_initialize_method).
1420  */
1421 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD(_name, _x) \
1422         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_INITIALIZE_METHOD_WITH_ID(auto, _name, _x)
1423
1424 /*
1425  * Defines an iterator finalize method attribute attached to a filter
1426  * component class descriptor which is attached to the automatic plugin
1427  * descriptor.
1428  *
1429  * _name: Component class name (C identifier).
1430  * _x:    Iterator finalize method
1431  *        (bt_component_class_filter_message_iterator_finalize_method).
1432  */
1433 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD(_name, _x) \
1434         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_FINALIZE_METHOD_WITH_ID(auto, _name, _x)
1435
1436 /*
1437  * Defines an iterator "seek nanoseconds from origin" method attribute
1438  * attached to a filter component class descriptor which is attached to
1439  * the automatic plugin descriptor.
1440  *
1441  * _name: Component class name (C identifier).
1442  * _x:    Iterator "seek nanoseconds from origin" method
1443  *        (bt_component_class_filter_message_iterator_seek_ns_from_origin_method).
1444  */
1445 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1446         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1447
1448 /*
1449  * Defines an iterator "seek beginning" method attribute
1450  * attached to a filter component class descriptor which is attached to
1451  * the automatic plugin descriptor.
1452  *
1453  * _name: Component class name (C identifier).
1454  * _x:    Iterator "seek beginning" method
1455  *        (bt_component_class_filter_message_iterator_seek_beginning_method).
1456  */
1457 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD(_name, _x) \
1458         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1459
1460 /*
1461  * Defines an iterator "can seek nanoseconds from origin" method
1462  * attribute attached to a filter component class descriptor which is
1463  * attached to the automatic plugin descriptor.
1464  *
1465  * _name: Component class name (C identifier).
1466  * _x:    Iterator "can seek nanoseconds from origin" method
1467  *        (bt_component_class_filter_message_iterator_can_seek_ns_from_origin_method).
1468  */
1469 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD(_name, _x) \
1470         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_NS_FROM_ORIGIN_METHOD_WITH_ID(auto, _name, _x)
1471
1472 /*
1473  * Defines an iterator "can seek beginning" method attribute
1474  * attached to a filter component class descriptor which is attached to
1475  * the automatic plugin descriptor.
1476  *
1477  * _name: Component class name (C identifier).
1478  * _x:    Iterator "can seek beginning" method
1479  *        (bt_component_class_filter_message_iterator_can_seek_beginning_method).
1480  */
1481 #define BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD(_name, _x) \
1482         BT_PLUGIN_FILTER_COMPONENT_CLASS_MESSAGE_ITERATOR_CAN_SEEK_BEGINNING_METHOD_WITH_ID(auto, _name, _x)
1483
1484 #define BT_PLUGIN_MODULE() \
1485         static struct __bt_plugin_descriptor const * const __bt_plugin_descriptor_dummy __BT_PLUGIN_DESCRIPTOR_ATTRS = NULL; \
1486         _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_BEGIN_EXTRA; \
1487         _BT_HIDDEN extern struct __bt_plugin_descriptor const *__BT_PLUGIN_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_END_EXTRA; \
1488         \
1489         static struct __bt_plugin_descriptor_attribute const * const __bt_plugin_descriptor_attribute_dummy __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_ATTRS = NULL; \
1490         _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
1491         _BT_HIDDEN extern struct __bt_plugin_descriptor_attribute const *__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
1492         \
1493         static struct __bt_plugin_component_class_descriptor const * const __bt_plugin_component_class_descriptor_dummy __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRS = NULL; \
1494         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_EXTRA; \
1495         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_EXTRA; \
1496         \
1497         static struct __bt_plugin_component_class_descriptor_attribute const * const __bt_plugin_component_class_descriptor_attribute_dummy __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_ATTRS = NULL; \
1498         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor_attribute const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_EXTRA; \
1499         _BT_HIDDEN extern struct __bt_plugin_component_class_descriptor_attribute const *__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL __BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_EXTRA; \
1500         \
1501         struct __bt_plugin_descriptor const * const *__bt_get_begin_section_plugin_descriptors(void) \
1502         { \
1503                 return &__BT_PLUGIN_DESCRIPTOR_BEGIN_SYMBOL; \
1504         } \
1505         struct __bt_plugin_descriptor const * const *__bt_get_end_section_plugin_descriptors(void) \
1506         { \
1507                 return &__BT_PLUGIN_DESCRIPTOR_END_SYMBOL; \
1508         } \
1509         struct __bt_plugin_descriptor_attribute const * const *__bt_get_begin_section_plugin_descriptor_attributes(void) \
1510         { \
1511                 return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
1512         } \
1513         struct __bt_plugin_descriptor_attribute const * const *__bt_get_end_section_plugin_descriptor_attributes(void) \
1514         { \
1515                 return &__BT_PLUGIN_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
1516         } \
1517         struct __bt_plugin_component_class_descriptor const * const *__bt_get_begin_section_component_class_descriptors(void) \
1518         { \
1519                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_BEGIN_SYMBOL; \
1520         } \
1521         struct __bt_plugin_component_class_descriptor const * const *__bt_get_end_section_component_class_descriptors(void) \
1522         { \
1523                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_END_SYMBOL; \
1524         } \
1525         struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_begin_section_component_class_descriptor_attributes(void) \
1526         { \
1527                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_BEGIN_SYMBOL; \
1528         } \
1529         struct __bt_plugin_component_class_descriptor_attribute const * const *__bt_get_end_section_component_class_descriptor_attributes(void) \
1530         { \
1531                 return &__BT_PLUGIN_COMPONENT_CLASS_DESCRIPTOR_ATTRIBUTES_END_SYMBOL; \
1532         }
1533
1534 #ifdef __cplusplus
1535 }
1536 #endif
1537
1538 #endif /* BABELTRACE2_PLUGIN_PLUGIN_DEV_H */